machmode.h (GET_MODE_UNIT_PRECISION): New macro.
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2012-10-07  Richard Sandiford  <rdsandiford@googlemail.com>
2
3         * machmode.h (GET_MODE_UNIT_PRECISION): New macro.
4         * simplify-rtx.c (simplify_truncation): New function,
5         extracted from simplify_subreg and (in small part) from
6         simplify_unary_operation_1.
7         (simplify_unary_operation_1) <TRUNCATE>: Use it.  Remove sign bit
8         test for !TRULY_NOOP_TRUNCATION_MODES_P.
9         (simplify_subreg): Use simplify_truncate for lowpart subregs
10         where both the inner and outer modes are scalar integers.
11         * config/mips/mips.c (mips_truncated_op_cost): New function.
12         (mips_rtx_costs): Adjust test for BADDU.
13         * config/mips/mips.md (*baddu_di<mode>): Push truncates to operands.
14
15 2012-10-07  Jan Hubicka  <jh@suse.cz>
16
17         * ipa-inline-analysis.c (do_estimate_edge_time): Return actual
18         time spent by the inlined sequence.
19         (do_estimate_edge_growth): Rename to ...
20         (do_estimate_edge_time): ... this one; return size of inlined
21         sequence.
22         * ipa-inline.h (do_estimate_edge_size): New.
23         (do_estimate_edge_growth): Remove.
24         (estimate_edge_size): New function.
25         (estimate_edge_growth): Use it.
26
27 2012-10-07  Jan Hubicka  <jh@suse.cz>
28
29         * lto-cgraph.c (lto_symtab_encoder_new): New parameter FOR_INPUT.
30         (lto_symtab_encoder_delete): Update.
31         (lto_symtab_encoder_encode): Update.
32         (compute_ltrans_boundary): Update.
33         (input_symtab): Update.
34         * lto-streamer.h (lto_symtab_encoder_new): Update.
35
36 2012-10-07  Richard Sandiford  <rdsandiford@googlemail.com>
37
38         * config/mips/mips-protos.h (mips_split_type): New enum.
39         (mips_split_64bit_move_p, mips_split_doubleword_move): Delete.
40         (mips_split_move_p, mips_split_move, mips_split_move_insn_p)
41         (mips_split_move_insn): Declare.
42         * config/mips/mips.c (mips_tuning_info): New variable.
43         (mips_load_store_insns): Use mips_split_move_insn_p instead of
44         mips_split_64bit_move_p.
45         (mips_emit_move_or_split, mips_mult_move_p): New functions.
46         (mips_split_64bit_move_p): Rename to...
47         (mips_split_move_p): ...this and take a mips_split_type argument.
48         Generalize to all moves.  Call mips_mult_move_p.
49         (mips_split_doubleword_move): Rename to...
50         (mips_split_move): ...this and take a mips_split_type argument.
51         Assert that mips_split_move_p holds.
52         (mips_insn_split_type, mips_split_move_insn_p, mips_split_move_insn):
53         New functions.
54         (mips_output_move): Use mips_split_move_p instead of
55         mips_split_64bit_move_p.  Handle MULT $0, $0 moves.
56         (mips_save_reg): Use mips_emit_move_or_split.
57         (mips_sim_reset): Assign to curr_state.  Call targetm.sched.init
58         and advance_state.
59         (mips_sim_init): Call targetm.sched.init_dfa_pre_cycle_insn and
60         targetm.sched.init_dfa_post_cycle_insn, if defined.
61         (mips_sim_next_cycle): Assign to curr_state.  Use advance_state
62         instead of state_transition.
63         (mips_sim_issue_insn): Assign to curr_state.  Use
64         targetm.sched.variable_issue to see how many more insns
65         can be issued.
66         (mips_seq_time, mips_mult_zero_zero_cost)
67         (mips_set_fast_mult_zero_zero_p, mips_set_tuning_info)
68         (mips_expand_to_rtl_hook): New functions.
69         (TARGET_EXPAND_TO_RTL_HOOK): Define.
70         * config/mips/mips.md (move_type): Add imul.
71         (type): Map imul move_types to imul.
72         (*movdi_32bit, *movti): Add imul alternatives.
73         Use mips_split_move_insn_p and mips_split_move_insn instead of
74         mips_split_64bit_move_p and mips_split_doubleword_move in move
75         splitters.
76
77 2012-10-06  Segher Boessenkool  <segher@kernel.crashing.org>
78
79         * config/rs6000/rs6000.c (print_operand) ['A']: Delete.
80
81 2012-10-06  Paolo Carlini  <paolo.carlini@oracle.com>
82
83         PR c++/52764
84         * ginclude/stdint-wrap.h: In C++11 if __STDC_HOSTED__ define
85         __STDC_LIMIT_MACROS and __STDC_CONSTANT_MACROS.
86         * ginclude/stdint-gcc.h: In C++11 unconditionally define
87         limit and constant macros.
88
89 2012-10-06  Paolo Carlini  <paolo.carlini@oracle.com>
90
91         PR c++/54249
92         * ginclude/stddef.h: In C++11 mode declare nullptr_t in the global
93         namespace.
94
95 2012-10-06  Jan Hubicka  <jh@suse.cz>
96
97         PR lto/53831
98         PR lto/54776
99         * lto-streamer-out.c (produce_symtab): Cleanup; drop v1 API hack.
100
101 2012-10-06  Dehao Chen  <dehao@google.com>
102
103         PR debug/54826
104         * gimple-low.c (lower_stmt): Set the block for call args.
105
106 2012-10-06  Jan Hubicka  <jh@suse.cz>
107
108         * doc/invoke.texi (-fprofile-report): Document.
109         * common.opt (-fprofile-report): New option.
110         * toplev.c (finalize): Call dump_profile_report.
111         * toplev.h (profile_report): Declare.
112         * passes.c (profile_record): New static var.
113         (check_profile_consistency): New function.
114         (dump_profile_record): New function.
115         (execute_one_ipa_transform_pass): Call check_profile_consistency.
116         (execute_one_pass): Likewise.
117
118 2012-10-06  Jan Hubicka  <jh@suse.cz>
119
120         PR lto/54790
121         * lto-streamer.h (lto_symtab_register_decl, lto_symtab_get_resolution,
122         lto_mark_nothrow_fndecl, lto_fixup_nothrow_decls): Remove.
123         * lto-symtab.c (lto_symtab_register_decl): Remove.
124
125 2012-10-06  Andreas Schwab  <schwab@linux-m68k.org>
126
127         PR rtl-optimization/54739
128         * config/m68k/m68k.md (anddi3, iordi3, xordi3, one_cmpldi2):
129         Remove.
130
131 2012-10-06  Oleg Endo  <olegendo@gcc.gnu.org>
132
133         PR target/54760
134         * config/sh/sh.md (define_constants): Add UNSPECV_GBR.
135         (get_thread_pointer, set_thread_pointer): New expanders.
136         (load_gbr): Rename to store_gbr.  Remove GBR_REG use.
137         (store_gbr): New insn.
138         * config/sh/sh.c (prepare_move_operands): Use gen_store_gbr instead of
139         gen_load_gbr in TLS_MODEL_LOCAL_EXEC case.
140         (sh1_builtin_p): New function.
141         (signature_args): Add SH_BLTIN_VP.
142         (bdesc): Add __builtin_thread_pointer and __builtin_set_thread_pointer.
143
144 2012-10-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
145
146         PR rtl-optimization/54739
147         * config/pa/pa.md: Remove DImode and, not and, ior and xor patterns
148         for 32-bit targets.  Adjust expanders.
149
150         * config/pa/pa.md: Adjust unamed HImode add insn pattern.
151
152 2012-10-05  Oleg Endo  <olegendo@gcc.gnu.org>
153
154         * config/sh/sh.c (builtin_description): Add is_enabled member.
155         (shmedia_builtin_p): New function.
156         (bdesc): Use shmedia_builtin_p for existing built-ins.
157         (sh_media_init_builtins, sh_init_builtins): Merge into single function
158         sh_init_builtins.  Add is_enabled checking.  Move variable declarations
159         to where they are actually used.
160         (sh_media_builtin_decl, sh_builtin_decl): Merge into single function
161         sh_builtin_decl.  Add is_enabled checking.
162         (sh_expand_builtin): Move variable declarations to where they are
163         actually used.
164
165 2012-10-05  Jakub Jelinek  <jakub@redhat.com>
166
167         * tree-inline.c (expand_call_inline): Move VAR_DECLs with
168         PARM_DECL origins from remapped DECL_INITIAL's BLOCK_VARS
169         into id->block's BLOCK_VARS.
170
171         PR debug/54519
172         * ipa-split.c (split_function): Add debug args and
173         debug source and normal stmts for args_to_skip which are
174         gimple regs.
175         * tree-inline.c (copy_debug_stmt): When inlining, adjust
176         source debug bind stmts to debug binds of corresponding
177         DEBUG_EXPR_DECL.
178
179 2012-10-05  Georg-Johann Lay  <avr@gjlay.de>
180
181         * config/avr/avr.md: Fix indentations of insn C snippets.
182
183 2012-10-05  Richard Guenther  <rguenther@suse.de>
184
185         PR middle-end/54811
186         * tree-ssa-live.c (clear_unused_block_pointer_1): Look at
187         DECL_DEBUG_EXPR again.
188
189 2012-10-05  Jan Hubicka  <jh@suse.cz>
190             Jakub Jelinek  <jakub@redhat.com>
191
192         PR tree-optimization/33763
193         * tree-inline.c (expand_call_inline): Silently ignore always_inline
194         attribute for redefined extern inline functions.
195
196 2012-10-04  Jan Hubicka  <jh@suse.cz>
197
198         * tree-vectorizer.h (vect_estimate_min_profitable_iters): Remove.
199         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Declare here.
200         (vect_analyze_loop_operations): Use loop count estimate to rule out
201         unprofitable vectorization.
202         (vect_estimate_min_profitable_iters): Return ret_min_profitable_estimate.
203
204 2012-10-05  Jakub Jelinek  <jakub@redhat.com>
205
206         PR tree-optimization/54810
207         * tree-vrp.c (register_edge_assert_for_2): Handle
208         NAME = (unsigned) NAME2; if (NAME cmp CST) for
209         narrowing casts to unsigned integral type like
210         NAME = NAME2 & CST2; if (NAME cmp CST) where CST2
211         is the max value of the unsigned integral type.
212
213 2012-10-04  Jeff Law  <law@redhat.com>
214
215         * PR target/50356
216         * config/h8300/h8300.c (h8300_rtx_costs): Fix typo in CONST_INT case.
217
218 2012-10-04  Jason Merrill  <jason@redhat.com>
219
220         * config/rs6000/rs6000.c (rs6000_code_end): Protect the use of
221         ASM_WEAKEN_DECL with #if RS6000_WEAK.
222
223 2012-10-04  Basile Starynkevitch  <basile@starynkevitch.net>
224
225         * gengtype.c (walk_type): Emit mark_hook when inside a
226           struct of a union member.
227
228 2012-10-04  Georg-Johann Lay  <avr@gjlay.de>
229
230         * config/avr/predicates.md (flash_operand): New predicate.
231         * config/avr/avr.md (reload_in<mode>): Use it in operand 1 instead
232         of memory_operand.
233
234 2012-10-04  Tobias Burnus  <burnus@net-b.de>
235
236         * gcc.c (record_temp_file, add_sysrooted_prefix, process_command,
237         do_self_spec, compare_debug_dump_opt_spec_function): Plug memleaks.
238         (do_spec_1): Ditto, fix out-of-bound access.
239         * opts.c (common_handle_option): Plug memleak.
240
241 2012-10-04  Jason Merrill  <jason@redhat.com>
242
243         * config/darwin.c (darwin_assemble_visibility): Treat
244         VISIBILITY_INTERNAL as hidden.
245
246         * config/darwin-c.c (find_subframework_file): Add missing const.
247         (framework_construct_pathname): Likewise.
248
249 2012-10-04  Florian Weimer  <fweimer@redhat.com>
250
251         * doc/cpp.texi (Pragmas): Document #pragma GCC warning, #pragma
252         GCC error.
253
254 2012-10-04  Richard Guenther  <rguenther@suse.de>
255
256         PR middle-end/54735
257         * tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before
258         cleaning up the CFG.
259
260 2012-10-04  Richard Guenther  <rguenther@suse.de>
261
262         PR lto/47799
263         * tree-streamer-out.c (write_ts_block_tree_pointers): For
264         inlined functions outer scopes write the ultimate origin
265         as BLOCK_ABSTRACT_ORIGIN and BLOCK_SOURCE_LOCATION.
266         Do not stream the fragment chains.
267         * tree-streamer-in.c (lto_input_ts_block_tree_pointers): Likewise.
268         * dwarf2out.c (gen_subprogram_die): Handle NULL DECL_INITIAL.
269         (dwarf2out_decl): Always output DECL_ABSTRACT function decls.
270
271 2012-10-04  Arnaud Charlet  <charlet@adacore.com>
272
273         * dumpfile.h, dumpfile.c: Remove TDI_ada.
274
275 2012-10-04  Yuri Rumyantsev  <ysrumyan@gmail.com>
276
277         * config/i386/i386.c (ix86_dep_by_shift_count_body) : Add
278         check on reload_completed since it can be invoked before
279         register allocation phase in pre-reload schedule.
280         (ia32_multipass_dfa_lookahead) : Do not use dfa_lookahead for pre-reload
281         schedule to save compile time.
282         (ix86_sched_reorder) : Do not perform ready list reordering for pre-reload
283         schedule to save compile time.
284         (insn_is_function_arg) : New function. Returns true if lhs of insn is
285         HW function argument register.
286         (add_parameter_dependencies) : New function. Add output dependencies
287         for chain of function adjacent arguments if only there is a move to
288         likely spilled HW registers. Return first argument if at least one
289         dependence was added or NULL otherwise.
290         (avoid_func_arg_motion) : New function. Add output or anti dependency
291         from insn to first_arg to restrict code motion.
292         (add_dependee_for_func_arg) : New function. Avoid cross block motion of
293         function argument through adding dependency from the first non-jump
294         insn in bb.
295         (ix86_dependencies_evaluation_hook) : New function. Hook for pre-reload schedule:
296         avoid motion of function arguments passed in passed in likely spilled
297         HW registers.
298         (ix86_adjust_priority) : New function. Hook for pre-reload schedule: set priority
299         of moves from likely spilled HW registers to maximum to schedule them
300         as soon as possible.
301         (ix86_sched_init_global): Do not perform multipass scheduling for pre-reload
302         schedule to save compile time.
303
304 2012-10-04  Uros Bizjak  <ubizjak@gmail.com>
305
306         * configure.ac (noexception_flags): Add -fasynchronous-unwind-tables.
307         * configure: Regenerate.
308
309 2012-10-04  Kaz Kojima  <kkojima@gcc.gnu.org>
310
311         * config/sh/sh.c (sh_can_use_simple_return_p): Return false for
312         SHmedia and SHcompact using call cookie.
313         * config/sh/sh.md (epilogue): Emit non-inlined return insns for
314         SHmedia and SHcompact using call cookie.
315
316 2012-10-03  Oleg Endo  <olegendo@gcc.gnu.org>
317
318         PR target/51244
319         * config/sh/sh.md (*mov_t_msb_neg): New insn and two accompanying
320         unnamed split patterns.
321
322 2012-10-03  Oleg Endo  <olegendo@gcc.gnu.org>
323
324         PR target/50457
325         * config/sh/sh.c (parse_validate_atomic_model_option): Handle name
326         strings in sh_atomic_model.
327         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Move macro implementation
328         to ...
329         * config/sh/sh-c.c (sh_cpu_cpp_builtins): ... this new function.
330         Add __SH1__ and __SH2__ defines.  Add __SH_ATOMIC_MODEL_*__ define.
331         * config/sh/sh-protos.h (sh_atomic_model): Add name and cdef_name
332         variables.
333         (sh_cpu_cpp_builtins): Declare new function.
334
335 2012-10-03  Dehao Chen  <dehao@google.com>
336
337         PR middle-end/54782
338         * tree-cfg.c (move_block_to_fn): Update lexical block for phi_args.
339
340 2012-10-03  Vladimir Makarov  <vmakarov@redhat.com>
341
342         * reginfo.c (max_regno_since_last_resize): New.
343         (reg_preferred_class, reg_alternate_class): Add assert.
344         (allocate_reg_info): Initialize allocated reg info.
345         (resize_reg_info): Make bigger reg_info and initialize new memory.
346         (reginfo_init): Initialize max_regno_since_last_resize.
347         (setup_reg_classes): Change assert.
348
349 2012-10-03  Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
350
351         * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
352         in SSE and YMM state support check for -march=native.
353
354 2012-10-03  Nick Clifton  <nickc@redhat.com>
355
356         * config/rx/rx.c (struct decl_chain): New local structure.
357         (warned_decls): New local variable.  Contains a stack of decls for
358         which warnings have been issued.
359         (add_warned_decl): Adds a decl to the stack.
360         (already_warned): Returns true if a given decl is on the stack.
361         (rx_set_current_function): Issue a warning if multiple fast
362         interrupt handlers are defined.
363         * config/rx/rx.opt (mwarn-multiple-fast-interrupts): New option.
364         * doc/invoke.texi: Document the option.
365
366 2012-10-03  Mark Kettenis  <kettenis@openbsd.org>
367
368         * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
369         default_use_cxa_atexit to yes.
370
371 2012-10-03  Jakub Jelinek  <jakub@redhat.com>
372
373         PR rtl-optimization/54792
374         * sched-deps.c (find_modifiable_mems): Scan also TAIL insn.
375
376 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
377
378         PR target/54785
379         * doc/invoke.texi: Document -mprefer-avx128.
380
381 2012-10-02  Andrew Pinski  <apinski@cavium.com>
382
383         * simplify-rtx.c (simplify_unary_operation_1 <case TRUNCATE>):
384         Don't optimize a truncate of a mem if it is a vector mode.
385
386 2012-10-02  Alexandre Oliva <aoliva@redhat.com>
387
388         PR debug/54551
389         * Makefile.in (VALTRACK_H): Add hash-table.h.
390         * valtrack.h: Include hash-table.h.
391         (struct dead_debug_global_entry): New.
392         (struct dead_debug_hash_descr): New.
393         (struct dead_debug_global): New.
394         (struct dead_debug): Rename to...
395         (struct dead_debug_local): ... this.  Adjust all uses.
396         (dead_debug_global_init, dead_debug_global_finish): New.
397         (dead_debug_init): Rename to...
398         (dead_debug_local_init): ... this.  Adjust all callers.
399         (dead_debug_finish): Rename to...
400         (dead_debug_local_finish): ... this.  Adjust all callers.
401         * valtrack.c (dead_debug_global_init): New.
402         (dead_debug_init): Rename to...
403         (dead_debug_local_init): ... this.  Take global parameter.
404         Save it and initialize used bitmap from it.
405         (dead_debug_global_find, dead_debug_global_insert): New.
406         (dead_debug_global_replace_temp): New.
407         (dead_debug_promote_uses): New.
408         (dead_debug_finish): Rename to...
409         (dead_debug_local_finish): ... this.  Promote remaining uses.
410         (dead_debug_global_finish): New.
411         (dead_debug_add): Try to replace global temps first.
412         (dead_debug_insert_temp): Support global replacements.
413         * dce.c (word_dce_process_block, dce_process_block): Add
414         global_debug parameter.  Pass it on.
415         (fast_dce): Initialize, pass on and finalize global_debug.
416         * df-problems.c (df_set_unused_notes_for_mw): Adjusted.
417         (df_create_unused_notes, df_note_bb_compute): Likewise.
418         (df_note_compute): Justify local-only dead debug analysis.
419
420 2012-10-02  Alexandre Oliva <aoliva@redhat.com>
421
422         PR debug/53135
423         * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
424         when needed.
425
426 2012-10-02  Alexandre Oliva <aoliva@redhat.com>
427
428         PR debug/54177
429         * var-tracking.c (vt_add_function_parameter): Bail if
430         var_lowpart fails.
431
432 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
433
434         PR target/54741
435         * config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
436         (XSTATE_FP): Likewise.
437         (XSTATE_SSE): Likewise.
438         (XSTATE_YMM): Likewise.
439         (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
440         SSE and YMM states aren't supported.
441
442 2012-10-02  Richard Sandiford  <rdsandiford@googlemail.com>
443
444         * config/mips/mips.md (*baddu_si_eb, *baddu_si_el): Merge into...
445         (*baddu_si): ...this new pattern.
446
447 2012-10-02  Richard Sandiford  <rdsandiford@googlemail.com>
448
449         * ira-int.h (target_ira_int): Add x_ira_useful_class_mode_regs.
450         (ira_useful_class_mode_regs): New macro.
451         * ira.c (clarify_prohibited_class_mode_regs): Set up
452         ira_useful_class_mode_regs.
453         * ira-color.c (setup_profitable_hard_regs): Use it to initialise
454         profitable_hard_regs.
455
456 2012-10-02  Richard Sandiford  <rdsandiford@googlemail.com>
457
458         * ira.h (target_ira): Add x_ira_class_singleton.
459         (ira_class_singleton): New macro.
460         * ira.c (setup_prohibited_class_mode_regs): Set up ira_class_singleton.
461         * ira-build.c (update_conflict_hard_reg_costs): Use
462         ira_class_singleton to check for classes with a single
463         allocatable register.
464         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Likewise.
465         (single_reg_class): Likewise.  When more than one class is specified,
466         check whether they have the same singleton register.
467         (process_single_reg_class_operands): Require single_reg_class
468         to return NO_REGS or a class with a single allocatable register.
469         Obtain that register from ira_class_singleton.
470
471 2012-10-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
472
473         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
474         -mcpu=<xxx> is not specified and the compiler is not configured
475         using --with-cpu=<xxx>, use the bits from the TARGET_DEFAULT to
476         set the initial options.
477
478 2012-10-02  Sharad Singhai  <singhai@google.com>
479
480         PR testsuite/54772
481         * tree-vect-stmts.c (vectorizable_operation): Add missing return.
482
483 2012-10-02  David Edelsohn  <dje.gcc@gmail.com>
484
485         * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
486         set TARGET_ALTIVEC_VRSAVE for TARGET_ELF.
487         (rs6000_stack_info): Only set vrsave_mask if TARGET_ALTIVEC_VRSAVE.
488
489 2012-10-02  Jakub Jelinek  <jakub@redhat.com>
490
491         PR tree-optimization/54713
492         * expr.c (categorize_ctor_elements_1): Don't assume purpose is
493         non-NULL.
494         * tree-cfg.c (verify_gimple_assign_single): Add verification of
495         vector CONSTRUCTORs.
496         * tree-ssa-sccvn.c (vn_reference_lookup_3): For VECTOR_TYPE
497         CONSTRUCTORs, don't do anything if element type is VECTOR_TYPE,
498         and don't check index.
499         * tree-vect-slp.c (vect_get_constant_vectors): VIEW_CONVERT_EXPR ctor
500         elements first if their type isn't compatible with vector element type.
501
502 2012-10-02  Eric Botcazou  <ebotcazou@adacore.com>
503
504         * tree.h (DECL_NONLOCAL_FRAME): New macro.
505         * tree-nested.c (get_frame_type): Set DECL_NONLOCAL_FRAME.
506         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Stream in
507         DECL_NONLOCAL_FRAME flag.
508         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Stream out
509         DECL_NONLOCAL_FRAME flag.
510
511 2012-10-02  Marc Glisse  <marc.glisse@inria.fr>
512
513         * tree-ssa-forwprop.c (forward_propagate_into_cond): Don't use
514         boolean_type_node for vectors.
515
516 2012-10-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
517
518         * config/rs6000/rs6000.c (toplevel): Include dumpfile.h.
519         (rs6000_density_test): Rework to accommodate 09-30 change by
520         Sharad Singhai.
521
522         * config/rs6000/t-rs6000 (rs6000.o): Add dumpfile.h dependency.
523
524 2012-10-01  Dehao Chen  <dehao@google.com>
525
526         PR middle-end/54759
527         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): Use
528         LOCATION_LOCUS to compare with UNKNOWN_LOCATION.
529         (slpeel_tree_peel_loop_to_edge): Likewise.
530         * tree-vectorizer.c (vectorize_loops): Likewise.
531
532 2012-10-01  Andrew MacLeod  <amacleod@redhat.com>
533
534         PR target/54087
535         * optabs.c (expand_atomic_fetch_op_no_fallback): New.  Factored code
536         from expand_atomic_fetch_op.
537         (expand_atomic_fetch_op):  Try atomic_{add|sub} operations in terms of
538         the other one if direct opcode fails.
539
540 2012-10-01  Uros Bizjak  <ubizjak@gmail.com>
541
542         PR rtl-optimization/54457
543         * simplify-rtx.c (simplify_subreg):
544         Simplify (subreg:M (op:N ((x:N) (y:N)), 0)
545         to (op:M (subreg:M (x:N) 0) (subreg:M (x:N) 0)), where
546         the outer subreg is effectively a truncation to the original mode M.
547
548 2012-10-01  Richard Guenther  <rguenther@suse.de>
549
550         * builtins.def (ATTR_MATHFN_FPROUNDING): Do not use no-vops
551         with -frounding-math.
552         * builtin-attrs.def (ATTR_PURE_NOTHROW_NOVOPS_LIST): Remove.
553         (ATTR_PURE_NOTHROW_NOVOPS_LEAF_LIST): Likewise.
554
555 2012-10-01  Eric Botcazou  <ebotcazou@adacore.com>
556
557         * tree.h (copy_mem_ref_info): Delete.
558         * tree-ssa-address.c (copy_mem_ref_info): Likewise.
559         (maybe_fold_tmr): Copy flags manually.
560         * tree-ssa-loop-im.c (simple_mem_ref_in_stmt): Rewrite.
561
562 2012-10-01  Marc Glisse  <marc.glisse@inria.fr>
563
564         * simplify-rtx.c (simplify_binary_operation_1) <VEC_SELECT>:
565         Detect the identity.
566         <VEC_CONCAT>: Handle VEC_SELECTs from the same vector.
567
568 2012-10-01  Oleg Endo  <olegendo@gcc.gnu.org>
569
570         PR target/50457
571         * config/sh/sh.opt (matomic-model): New option.
572         (msoft-atomic): Mark as deprecated and alias to
573         matomic-model=soft-gusa.
574         (mhard-atomic): Delete.
575         * config/sh/predicates.md (gbr_displacement): New predicate.
576         * config/sh/sh-protos.h (sh_atomic_model): New struct.
577         (selected_atomic_model): New declaration.
578         (TARGET_ATOMIC_ANY, TARGET_ATOMIC_STRICT, TARGET_ATOMIC_SOFT_GUSA,
579         TARGET_ATOMIC_HARD_LLCS, TARGET_ATOMIC_SOFT_TCB,
580         TARGET_ATOMIC_SOFT_TCB_GBR_OFFSET_RTX, TARGET_ATOMIC_SOFT_IMASK):
581         New macros.
582         * config/sh/linux.h (SUBTARGET_OVERRIDE_OPTIONS): Adapt setting to
583         default atomic model.
584         * config/sh/sh.c (selected_atomic_model_): New global variable.
585         (selected_atomic_model, parse_validate_atomic_model_option): New
586         functions.
587         (sh_option_override): Replace atomic selection checks with call to
588         parse_validate_atomic_model_option.
589         * config/sh/sh.h (TARGET_ANY_ATOMIC, UNSUPPORTED_ATOMIC_OPTIONS,
590         UNSUPPORTED_HARD_ATOMIC_CPU): Delete.
591         (DRIVER_SELF_SPECS): Remove atomic checks.
592         config/sh/sync.md: Update documentation comments.
593         (atomic_compare_and_swap<mode>, atomic_exchange<mode>,
594         atomic_fetch_<fetchop_name><mode>, atomic_fetch_nand<mode>,
595         atomic_<fetchop_name>_fetch<mode>, atomic_nand_fetch<mode>): Use
596         TARGET_ATOMIC_ANY as condition.  Add TARGET_ATOMIC_STRICT check for
597         SH4A case.  Handle new TARGET_ATOMIC_SOFT_TCB and
598         TARGET_ATOMIC_SOFT_IMASK cases.
599         (atomic_test_and_set): Handle new TARGET_ATOMIC_SOFT_TCB and
600         TARGET_ATOMIC_SOFT_IMASK cases.
601         (atomic_compare_and_swapsi_hard, atomic_exchangesi_hard,
602         atomic_fetch_<fetchop_name>si_hard, atomic_fetch_nandsi_hard,
603         atomic_<fetchop_name>_fetchsi_hard, atomic_nand_fetchsi_hard):
604         Add TARGET_ATOMIC_STRICT check.
605         (atomic_compare_and_swap<mode>_hard, atomic_exchange<mode>_hard,
606         atomic_fetch_<fetchop_name><mode>_hard, atomic_fetch_nand<mode>_hard,
607         atomic_<fetchop_name>_fetch<mode>_hard, atomic_nand_fetch<mode>_hard,
608         atomic_test_and_set_hard): Use TARGET_ATOMIC_HARD_LLCS condition.
609         (atomic_compare_and_swap<mode>_soft, atomic_exchange<mode>_soft,
610         atomic_fetch_<fetchop_name><mode>_soft, atomic_fetch_nand<mode>_soft,
611         atomic_<fetchop_name>_fetch<mode>_soft, atomic_nand_fetch<mode>_soft,
612         atomic_test_and_set_soft): Append _gusa to the insn names and use
613         TARGET_ATOMIC_SOFT_GUSA as condition.
614         (atomic_compare_and_swap<mode>_soft_tcb,
615         atomic_exchange<mode>_soft_tcb,
616         atomic_fetch_<fetchop_name><mode>_soft_tcb,
617         atomic_fetch_nand<mode>_soft_tcb,
618         atomic_<fetchop_name>_fetch<mode>_soft_tcb,
619         atomic_nand_fetch<mode>_soft_tcb, atomic_test_and_set_soft_tcb):
620         New insns.
621         (atomic_compare_and_swap<mode>_soft_imask,
622         atomic_exchange<mode>_soft_imask,
623         atomic_fetch_<fetchop_name><mode>_soft_imask,
624         atomic_fetch_nand<mode>_soft_imask,
625         atomic_<fetchop_name>_fetch<mode>_soft_imask,
626         atomic_nand_fetch<mode>_soft_imask, atomic_test_and_set_soft_imask):
627         New insns.
628         * doc/invoke.texi (SH Options): Document new matomic-model option.
629         Remove msoft-atomic and mhard-atomic options.
630
631 2012-10-01  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
632
633         PR target/54746
634         * config/s390/s390.c (s390_option_override): Add missing break.
635
636 2012-09-30  Sharad Singhai  <singhai@google.com>
637
638         * dumpfile.c: New file with parts moved from tree-dump.c.
639         (pflags): New variable.
640         (alt_flags): Ditto.
641         (alt_dump_file): Ditto.
642         (dump_files):  Update to include additional fields.
643         (struct dump_option_value_info): Add additional entries.
644         (get_dump_file_name): Use command line filename if available.
645         (dump_open_alternate_stream): New function.
646         (dump_loc): Ditto.
647         (dump_gimple_stmt): Ditto.
648         (dump_gimple_stmt_loc): Ditto.
649         (dump_generic_expr): Ditto.
650         (dump_generic_expr_loc): Ditto.
651         (dump_printf): Ditto.
652         (dump_printf_loc): Ditto.
653         (dump_start): Ditto.
654         (dump_finish): Ditto.
655         (dump_begin): Ditto.
656         (dump_enabled_p): Return true if either of the dump types is enabled.
657         (dump_initialized_p): Return true if either type of dump is
658         initialized.
659         (dump_end): Do not close standard streams.
660         (dump_enable_all): Handle filenames for regular dumps.
661         (dump_switch_p_1): Handle command-line dump filenames.
662         (opt_info_enable_all): New function.
663         (opt_info_switch_p_1): Ditto.
664         (opt_info_switch_p): Ditto.
665         (dump_kind_p): Ditto.
666         (dump_basic_block): Ditto.
667         (dump_combine_total_stats): Ditto.
668         (dump_remap_tree_vectorizer_verbose): Ditto.
669         * gimple-pretty-print.h: Rename dump_gimple_stmt to
670         pp_gimple_stmt_1.  All callers updated.
671
672 2012-09-30  Sharad Singhai  <singhai@google.com>
673
674         * doc/invoke.texi: Add documentation for the new -fopt-info option.
675         * tree-dump.c: Move general dump file related functionality into
676         dumpfile.c. Remove unneeded headers.
677         * tree-dump.h: Move function declarations into dumpfile.h.
678         * dumpfile.h: Include "line-map.h". Add defines for MSG flags.
679         (struct dump_file_info): Move here from tree-dump.c.  Rename flags
680         to pflags, state to pstate, stream to pstream, filename to
681         pfilename. All callers updated. Add alt_flags, alt_state,
682         alt_filenmae, alt_stream.
683         * tree-vectorizer.c: Include "dumpfile.h". Remove vect_dump.
684         (vect_set_dump_settings): Remove.
685         (vect_print_dump_info): Ditto.
686         * tree-vectorizer.h: Remove declaration of vect_dump and
687         vect_print_dump_info.
688         * tree-vect-loop.c: Include "dumpfile.h". Use new dump style.
689         * tree-vect-data-refs.c: Ditto.
690         * tree-vect-stmts.c: Ditto.
691         * tree-vect-slp.c: Ditto.
692         * tree-vect-patterns.c: Ditto.
693         * tree-vect-loop-manip.c: Ditto.
694         * opts.c (vect_set_verbosity_level): Remove.
695         (common_handle_option): Handle -fopt-info flag. Deprecate
696         -ftree-vectorizer-verbose.
697         * tree-parloops.c (gather_scalar_reductions): Remove reference to
698         vect_dump.
699         * flag-types.h: Remove vect_verbosity_levels.
700         * common.opt: Add -fopt-info. Deprecate -ftree-vectorizer-verbose.
701         * opts-global.c (dump_remap_tree_vectorizer_verbose): New function.
702         (handle_common_deferred_options): Handle -fopt-info and
703         -ftree-vectorizer-verbose.
704         * Makefile.in: Add dumpfile.o.
705         (tree-dump.o): Update dependencies.
706         (tree-vect-loop.o): Ditto.
707         (tree-vect-loop-manip.o): Ditto.
708         (tree-vect-slp.o): Ditto.
709         (tree-vect-stmts.o): Ditto.
710         (tree-vectorizer.o): Ditto.
711         (opts.o): Ditto.
712         * passes.c (finish_optimization_passes): Instead of using
713         dump_begin/dump_end, use dump_start/dump_finish. Do not use dump_file.
714         (pass_init_dump_file): Ditto.
715
716 2012-09-30  Joern Rennecke  <joern.rennecke@embecosm.com>
717
718         PR rtl-optimization/38449:
719         * hooks.c (hook_bool_const_rtx_const_rtx_true): New function.
720         * hooks.h (hook_bool_const_rtx_const_rtx_true): Declare.
721         * target.def: Merge in definitions and documentation for
722         TARGET_CAN_FOLLOW_JUMP.
723         * doc/tm.texi.in: Add documentation locations for the above.
724         * doc/tm.texi: Regenerate.
725         * reorg.c (follow_jumps): New parameters jump and crossing.
726         Changed all callers.
727
728 2012-09-30  Eric Botcazou  <ebotcazou@adacore.com>
729
730         * reorg.c (relax_delay_slots): Use delay_insn consistently.
731
732         * config/sparc/sparc.c (gen_stack_pointer_dec): Delete.
733         (sparc_expand_epilogue): Use gen_stack_pointer_inc and adjust.
734         (sparc_flat_expand_epilogue): Likewise.
735         (emit_and_preserve): Likewise.
736         (sparc_fold_builtin): Fix thinko in latest change.
737
738 2012-09-30  Andreas Schwab  <schwab@linux-m68k.org>
739
740         * config/m68k/m68k.md: Add names to bitfield insert and extract
741         insns.
742         (*insv_8_16_reg): Remove constraints and conditions that assume
743         that operand 0 could be a MEM.
744         (*extzv_8_16_reg, *extv_8_16_reg): Likewise, for operand 1.
745
746 2012-09-30  Jan Hubicka  <jh@suse.cz>
747
748         * cfgloop.c (scale_loop_profile): Move to...
749         * cfgloopmanip.c (scale_loop_profile): .. here; use
750         scale_loop_frequencies.
751         (loopify): Use RDIV.
752
753 2012-09-28  Jan Hubicka  <jh@suse.cz>
754
755         * tree-call-cdce.c (shrink_wrap_one_built_in_call): Update profile.
756
757 2012-09-28  Jan Hubicka  <jh@suse.cz>
758
759         * function.c (dup_block_and_redirect): Update profile.
760
761 2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
762
763         * config.gcc: Replace 'host' with 'target' when configuring for
764         powerpc64*-*-freebsd.
765
766 2012-09-29  Marc Glisse  <marc.glisse@inria.fr>
767
768         * tree.c (truth_type_for): New function.
769         * tree.h (truth_type_for): Declare.
770         * gimple-fold.c (and_comparisons_1): Call it.
771         (or_comparisons_1): Likewise.
772         * tree-ssa-forwprop.c (forward_propagate_into_cond): Don't use
773         boolean_type_node for vectors.
774
775 2012-09-28  Jan Hubicka  <jh@suse.cz>
776
777         * basic-block.h (RDIV): Define.
778         (EDGE_FREQUENCY): Simplify.
779         (check_probability, combine_probabilities, apply_probability,
780         inverse_probability): New.
781         * cfgloop.c (scale_loop_profile): New function.
782         * cfgloop.h (scale_loop_profile): Declare.
783         (slpeel_add_loop_guard): Add probability parameter.
784         (set_prologue_iterations): Add probability parameter.
785         (slpeel_tree_peel_loop_to_edge): Add bound1 and bound2 parameters;
786         update probabilities correctly.
787         (vect_do_peeling_for_alignment, vect_gen_niters_for_prolog_loop): New.
788
789 2012-09-20  Bernd Schmidt  <bernds@codesourcery.com>
790
791         PR bootstrap/54688
792         * sched-deps.c (parse_add_or_inc): Remove MINUS handling.  Take
793         STACK_GROWS_DOWNWARD into account.
794
795 2012-09-28  Jakub Jelinek  <jakub@redhat.com>
796
797         PR target/54716
798         * config/i386/predicates.md (nonimmediate_or_const_vector_operand):
799         New predicate.
800         * config/i386/i386.c (ix86_expand_vector_logical_operator): New
801         function.
802         * config/i386/i386-protos.h (ix86_expand_vector_logical_operator): New
803         prototype.
804         * config/i386/sse.md (<code><mode>3 VI logic): Use it.
805
806         PR tree-optimization/54713
807         * fold-const.c (vec_cst_ctor_to_array): Give up if vector CONSTRUCTOR
808         has vector elements.
809         (fold_ternary_loc) <case BIT_FIELD_REF>: Likewise.
810         * tree-vect-generic.c (vector_element): Don't rely on CONSTRUCTOR elts
811         indexes.  Use BIT_FIELD_REF if CONSTRUCTOR has vector elements.
812         (lower_vec_perm): Use NULL_TREE CONSTRUCTOR indexes.
813
814 2012-09-28  Georg-Johann Lay  <avr@gjlay.de>
815
816         * config/avr/avr.md (adjust_len): Add lpm.
817         (reload_in<mode>): Use avr_out_lpm for output.  Use "lpm" for
818         adjust_len.
819         * config/avr/avr-protos.h (avr_out_lpm): New prototype.
820         * config/avr/avr.c (avr_out_lpm): Make global.
821         (adjust_insn_length): Handle ADJUST_LEN_LPM.
822
823 2012-09-28  Richard Guenther  <rguenther@suse.de>
824
825         PR lto/47799
826         * lto-streamer-out.c (tree_is_indexable): Make PARM_DECLs global.
827         (lto_output_tree_ref): Handle references to them.
828         (output_function): Do not output function arguments again.
829         * lto-streamer-in.c (input_function): Do not input arguments
830         again, nor overwrite them.
831
832 2012-09-28  Richard Guenther  <rguenther@suse.de>
833
834         * cgraph.h (symtab_node_base): Re-order and pack fields.
835
836 2012-09-28  Georg-Johann Lay  <avr@gjlay.de>
837
838         * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
839
840 2012-09-28  Georg-Johann Lay  <avr@gjlay.de>
841
842         PR rtl-optimization/52543
843         * config/avr/avr.c (avr_mode_dependent_address_p): Return true for
844         all non-generic address spaces.
845         (TARGET_SECONDARY_RELOAD): New hook define to...
846         (avr_secondary_reload): ...this new static function.
847         * config/avr/avr.md (reload_in<mode>): New insns.
848
849         Undo r185605 (mostly):
850         * config/avr/avr-protos.h (avr_load_lpm): Remove.
851         * config/avr/avr.c (avr_load_libgcc_p): Don't restrict to __flash
852         loads.
853         (avr_out_lpm): Also handle loads > 1 byte.
854         (avr_load_lpm): Remove.
855         (avr_find_unused_d_reg): New static function.
856         (avr_out_lpm_no_lpmx): New static function.
857         (adjust_insn_length): Remove ADJUST_LEN_LOAD_LPM.
858         * config/avr/avr.md (unspec): Remove UNSPEC_LPM.
859         (load_<mode>_libgcc): Use MEM instead of UNSPEC_LPM.
860         (load_<mode>, load_<mode>_clobber): Remove.
861         (mov<mode>): For multi-byte move from non-generic
862         16-bit address spaces: Expand to *mov<mode> again.
863         (load<mode>_libgcc): New expander.
864         (split-lpmx): Remove split.
865
866 2012-09-27  Dehao Chen  <dehao@google.com>
867
868         * tree.h (tree_constructor): Remove IS_UNKNOWN_LOCATION.
869         (extern void protected_set_expr_location): Likewise.
870         (function_args_iter_next): Likewise.
871         (inlined_function_outer_scope_p): Likewise.
872         * input.h (IS_UNKNOWN_LOCATION): Likewise.
873         * fold-const.c (expr_location_or): Likewise.
874         * lto-cgraph.c (output_node_opt_summary): Likewise.
875         * dwarf2out.c (add_src_coords_attributes): Likewise.
876         * tree-eh.c (lower_try_finally_dup_block): Likewise.
877         * profile.c (branch_prob):
878         * cfgexpand.c (expand_gimple_cond): Likewise.
879         (expand_gimple_basic_block): Likewise.
880         (construct_exit_block): Likewise.
881         (gimple_expand_cfg): Likewise.
882         * cfgcleanup.c (try_forward_edges): Likewise.
883         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
884         (dump_scope_block): Likewise.
885         * ipa-prop.c (ipa_write_jump_function): Likewise.
886         * rtl.h (extern void rtl_check_failed_flag): Likewise.
887         * gimple.h (gimple_set_location): Likewise.
888         (gimple_has_location): Likewise.
889         * cfgrtl.c (unique_locus_on_edge_between_p): Likewise.
890         (force_nonfallthru_and_redirect): Likewise.
891         (fixup_reorder_chain): Likewise.
892         (cfg_layout_merge_blocks): Likewise.
893
894 2012-09-27  Meador Inge  <meadori@codesourcery.com>
895
896         * gcc-ar.c (main): Handle the returning of the sub-process error
897         code correctly.
898
899 2012-09-27  Ulrich Weigand  <ulrich.weigand@linaro.org>
900
901         * lower-subreg.c (enum classify_move_insn): Rename
902         SIMPLE_PSEUDO_REG_MOVE to DECOMPOSABLE_SIMPLE_MOVE.
903         (find_decomposable_subregs): Update.
904         (decompose_multiword_subregs): Add DECOMPOSE_COPIES parameter.
905         Only mark pseudo-to-pseudo copies as DECOMPOSABLE_SIMPLE_MOVE
906         if that parameter is true.
907         (rest_of_handle_lower_subreg): Call decompose_multiword_subregs
908         with DECOMPOSE_COPIES false.
909         (rest_of_handle_lower_subreg2): Call decompose_multiword_subregs
910         with DECOMPOSE_COPIES true.
911
912 2012-09-27  Marek Polacek  <polacek@redhat.com>
913
914         * doc/gcov.texi (Gcov Data Files): Fix a typo.
915
916 2012-09-27  Jakub Jelinek  <jakub@redhat.com>
917
918         PR target/54703
919         * simplify-rtx.c (simplify_binary_operation_1): Perform
920         (x - (x & y)) -> (x & ~y) optimization only for integral modes.
921
922 2012-09-27  Marc Glisse  <marc.glisse@inria.fr>
923
924         PR c/53024
925         PR c++/54427
926         * doc/extend.texi (Vector Extensions): C++ improvements.
927         Power of 2 size requirement.
928
929 2012-09-27  Richard Guenther  <rguenther@suse.de>
930
931         PR lto/54709
932         * lto-symtab.c (resolution_guessed_p): Remove.
933         (set_resolution_guessed): Likewise.
934         (lto_symtab_register_decl): Remove assert.
935         (lto_symtab_resolve_symbols): Do not alter symbol resolutions
936         and return the prevailing symbol, checking for multiple prevailing
937         symbols here.
938         (lto_symtab_merge_decls_1): Use the result from
939         lto_symtab_resolve_symbols.  Do not alter symbol resolutions.
940
941 2012-09-26  Steve Ellcey  <sellcey@mips.com>
942
943         PR web/54711
944         * doc/install.texi: Fix example.
945
946 2012-09-26  Dehao Chen  <dehao@google.com>
947
948          * tree-ssa-live.c (clear_unused_block_pointer): Use explicitit (void)
949         for function parameter.
950         (remove_unused_locals): Don't use LOCATION_BLOCK if it is NULL.
951
952 2012-09-26  Oleg Endo  <olegendo@gcc.gnu.org>
953
954         * doc/extend.texi (bswap Builtins): Change signed types to unsigned
955         types.
956
957 2012-09-26  Ian Lance Taylor  <iant@google.com>
958
959         * diagnostic.c (bt_callback): Cast pc when calling fprintf.
960
961 2012-09-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
962
963         PR tree-optimization/54674
964         * gimple-ssa-strength-reduction.c (analyze_increments): Don't
965         introduce a multiplication with a pointer operand.
966
967 2012-09-26  Georg-Johann Lay  <avr@gjlay.de>
968
969         PR middle-end/54635
970         * doc/tm.texi.in (TARGET_MODE_DEPENDENT_ADDRESS_P): Document new
971         parameter addrspace.
972         * doc/tm.texi: Regenerate.
973         * target.def (mode_dependent_address_p): Add addr_space_t parameter.
974         * targhooks.h (default_mode_dependent_address_p): Ditto.
975         * targhooks.c (default_mode_dependent_address_p): Ditto.
976         * expr.c (convert_move): Pass address space to
977         mode_dependent_address_p.
978         * combine.c (combine_simplify_rtx): Ditto.
979         (make_extraction): Ditto.
980         (simplify_shift_const_1): Ditto.
981         (gen_lowpart_for_combine): Ditto.
982         * lower-subreg.c (simple_move_operand): Ditto.
983         * recog.c (simplify_while_replacing): Ditto.
984         (offsettable_address_addr_space_p): Ditto.
985         (mode_dependent_address_p): Ditto.
986         * simplify-rtx.c (simplify_unary_operation_1): Ditto.
987         (simplify_subreg): Ditto.
988         * config/m68k/m68k.md: Ditto.
989         * config/vax/vax.md: Ditto.
990         * config/vax/constraints.md (Q): Ditto.
991         * config/vax/predicates.md (indexed_memory_operand): Ditto.
992         * config/alpha/alpha.c (alpha_mode_dependent_address_p): Add
993         unused addr_space_t parameter.
994         * config/avr/avr.c (avr_mode_dependent_address_p): Ditto.
995         * config/h8300/h8300.c (h8300_mode_dependent_address_p): Ditto.
996         * config/m32r/m32r.c (m32r_mode_dependent_address_p): Ditto.
997         * config/rs6000/rs6000.c (rs6000_mode_dependent_address_p): Ditto.
998         * config/rx/rx.c (rx_mode_dependent_address_p): Ditto.
999         * config/sparc/sparc.c (sparc_mode_dependent_address_p): Ditto.
1000         * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1001         Ditto.
1002         * config/vax/vax.c (vax_mode_dependent_address_p): Ditto.
1003         * config/xtensa/xtensa.c (xtensa_mode_dependent_address_p): Ditto.
1004
1005 2012-09-26  Christophe Lyon <christophe.lyon@linaro.org>
1006
1007         * tree-ssa-math-opts.c (bswap_stats): Add found_16bit field.
1008         (execute_optimize_bswap): Add support for builtin_bswap16.
1009
1010 2012-09-26  Richard Guenther  <rguenther@suse.de>
1011
1012         * tree.h (DECL_IS_BUILTIN): Compare LOCATION_LOCUS.
1013
1014 2012-09-26  Ian Lance Taylor  <iant@google.com>
1015
1016         * diagnostic.c: Include "demangle.h" and "backtrace.h".
1017         (bt_stop): New static array.
1018         (bt_callback, bt_err_callback): New static functions.
1019         (diagnostic_action_after_output): Call backtrace_full for DK_ICE.
1020         * Makefile.in (BACKTRACE): New variable.
1021         (BACKTRACEINC, LIBBACKTRACE): New variables.
1022         (BACKTRACE_H): New variable.
1023         (LIBDEPS, LIBS): Add $(LIBBACKTRACE).
1024         (INCLUDES): Add $(BACKTRACEINC).
1025         (diagnostic.o): Depend upon $(DEMANGLE_H) and $(BACKTRACE_H).
1026
1027 2012-09-25  Segher Boessenkool  <segher@kernel.crashing.org>
1028
1029         PR target/51274
1030         PR target/53087
1031         * config/rs6000/rs6000.md (ne0si): Remove unnecessary
1032         earlyclobber.  Merge with...
1033         (ne0di): ... to...
1034         (ne0_<mode>): New.
1035         (plus_ne0si): Merge with...
1036         (plus_ne0di): ... to...
1037         (plus_ne0_<mode>): New.
1038         (compare_plus_ne0si): Merge with...
1039         (compare_plus_ne0di)... to...
1040         (compare_plus_ne0_<mode>): New.
1041         (compare_plus_ne0_<mode>_1): New.
1042         (plus_ne0si_compare): Merge with...
1043         (plus_ne0di_compare)... to...
1044         (plus_ne0_<mode>_compare): New.
1045
1046 2012-09-25  Oleg Endo  <olegendo@gcc.gnu.org>
1047
1048         PR target/54089
1049         * config/sh/constraints.md (Jhb): New constraint.
1050         * config/sh/predicates.md (negt_reg_shl31_operand): New predicate.
1051         * config/sh/sh.md (rotrsi3): New expander.
1052         (rotrsi3_1, *rotrsi3_1, *rotlsi3_1): New insns.
1053         (rotlsi3, rotlhi3): Use const_int_operand predicate instead of
1054         immediate_operand and remove CONST_INT_P checks in expansion code.
1055         (*rotcr): Cleanup variable usage.  Handle preceding nott insn.  Add
1056         split with swapped operands.
1057         (*rotcr_neg_t, *movt_msb, *negt_msb): New insns and splits.
1058
1059 2012-09-25  Aldy Hernandez  <aldyh@redhat.com>
1060
1061         PR middle-end/53850
1062         * trans-mem.c (expand_call_tm): Handle late built built-ins.
1063
1064 2012-09-25  Georg-Johann Lay  <avr@gjlay.de>
1065
1066         PR other/54701
1067         * config/avr/avr-log.c (avr_double_int_pop_digit): Rewrite using
1068         double_int::udivmod.
1069
1070 2012-09-25  Georg-Johann Lay  <avr@gjlay.de>
1071
1072         * config/avr/avr.c (avr_set_current_function): Check cfun->machine
1073         to be non-NULL.
1074
1075 2012-09-25  Georg-Johann Lay  <avr@gjlay.de>
1076
1077         PR target/54641
1078         * config/avr/t-avr: Use ALL_COMPILERFLAGS instead of ALL_CFLAGS
1079         for sources compiled with COMPILER.
1080
1081 2012-09-25  Richard Guenther  <rguenther@suse.de>
1082
1083         PR lto/54625
1084         * lto-symtab.c (lto_symtab_merge_cgraph_nodes_1): Do not merge
1085         cgraph nodes for builtins.
1086
1087 2012-09-25  Jakub Jelinek  <jakub@redhat.com>
1088
1089         PR tree-optimization/54676
1090         * tree-vrp.c (set_and_canonicalize_value_range): Handle
1091         one bit precision properly.
1092
1093         PR other/54692
1094         * configure.ac (CFLAGS, CXXFLAGS): Remove -Ofast or -Og properly.
1095         * configure: Regenerated.
1096
1097 2012-09-25  Georg-Johann Lay  <avr@gjlay.de>
1098
1099         PR other/54701
1100         * config/avr/avr.c (avr_map_decompose): Use double_int::from_uhwi
1101         instead of uhwi_to_double_int.
1102
1103 2012-09-25  Richard Guenther  <rguenther@suse.de>
1104
1105         * lto-symtab.c (lto_symtab_merge_decls_1): Properly merge
1106         all of the chain.
1107
1108 2012-09-25  Richard Guenther  <rguenther@suse.de>
1109
1110         PR tree-optimization/53663
1111         * tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional
1112         native encode/interpret translation on VN_WALKREWRITE.
1113
1114 2012-09-24  Dehao Chen  <dehao@google.com>
1115
1116         * tree-cfg.c (move_stmt_op): Reset the expr block only when necessary.
1117         (move_block_to_fn): Reset the edge's goto block even
1118         when the goto locus is unknown.
1119
1120 2012-09-24  Lawrence Crowl  <crowl@google.com>
1121
1122         * double-int.h (double_int::from_pair): New.
1123         (double_int::wide_mul_with_sign): New.
1124         (double_int::sub_with_overflow): New.
1125         (double_int::neg_with_overflow): New.
1126         (double_int::divmod_with_overflow): New.
1127         (shwi_to_double_int): Remove.
1128         (uhwi_to_double_int): Remove.
1129         (double_int_to_shwi): Remove.
1130         (double_int_to_uhwi): Remove.
1131         (double_int_fits_in_uhwi_p): Remove.
1132         (double_int_fits_in_shwi_p): Remove.
1133         (double_int_fits_in_hwi_p): Remove.
1134         (double_int_mul): Remove.
1135         (double_int_mul_with_sign): Remove.
1136         (double_int_add): Remove.
1137         (double_int_sub): Remove.
1138         (double_int_neg): Remove.
1139         (double_int_div): Remove.
1140         (double_int_sdiv): Remove.
1141         (double_int_udiv): Remove.
1142         (double_int_mod): Remove.
1143         (double_int_smod): Remove.
1144         (double_int_umod): Remove.
1145         (double_int_divmod): Remove.
1146         (double_int_sdivmod): Remove.
1147         (double_int_udivmod): Remove.
1148         (double_int_multiple_of): Remove.
1149         (double_int_setbit): Remove.
1150         (double_int_ctz): Remove.
1151         (double_int_not): Remove.
1152         (double_int_ior): Remove.
1153         (double_int_and): Remove.
1154         (double_int_and_not): Remove.
1155         (double_int_xor): Remove.
1156         (double_int_lshift): Remove.
1157         (double_int_rshift): Remove.
1158         (double_int_lrotate): Remove.
1159         (double_int_rrotate): Remove.
1160         (double_int_negative_p): Remove.
1161         (double_int_cmp): Remove.
1162         (double_int_scmp): Remove.
1163         (double_int_ucmp): Remove.
1164         (double_int_max): Remove.
1165         (double_int_smax): Remove.
1166         (double_int_umax): Remove.
1167         (double_int_min): Remove.
1168         (double_int_smin): Remove.
1169         (double_int_umin): Remove.
1170         (double_int_ext): Remove.
1171         (double_int_sext): Remove.
1172         (double_int_zext): Remove.
1173         (double_int_mask): Remove.
1174         (double_int_max_value): Remove.
1175         (double_int_min_value): Remove.
1176         (double_int_zero_p): Remove.
1177         (double_int_one_p): Remove.
1178         (double_int_minus_one_p): Remove.
1179         (double_int_equal_p): Remove.
1180         (double_int_popcount): Remove.
1181         (extern add_double_with_sign): Remove.
1182         (#define add_double): Remove.
1183         (extern neg_double): Remove.
1184         (extern mul_double_with_sign): Remove.
1185         (extern mul_double_wide_with_sign): Remove.
1186         (#define mul_double): Remove.
1187         (extern lshift_double): Remove.
1188         (extern div_and_round_double): Remove.
1189         * double-int.c (add_double_with_sign): Make static.
1190         (#defined add_double): Localized from header.
1191         (neg_double): Make static.
1192         (mul_double_with_sign): Make static.
1193         (mul_double_wide_with_sign): Make static.
1194         (#defined mul_double): Localized from header.
1195         (lshift_double): Make static.
1196         (div_and_round_double): Make static.
1197         (double_int::wide_mul_with_sign): New.
1198         (double_int::sub_with_overflow): New.
1199         (double_int::neg_with_overflow): New.
1200         (double_int::divmod_with_overflow): New.
1201         * emit-rtl.c (init_emit_once): Change to new double_int API.
1202         * explow.c (plus_constant): Likewise.
1203         * expmed.c (choose_multiplier): Likewise.
1204         * fold-const.c (#define OVERFLOW_SUM_SIGN): Remove.
1205         (int_const_binop_1): Change to new double_int API.
1206         (fold_div_compare): Likewise.
1207         (maybe_canonicalize_comparison): Likewise.
1208         (pointer_may_wrap_p): Likewise.
1209         (fold_negate_const): Likewise.
1210         (fold_abs_const): Likewise.
1211         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1212         (simplify_const_binary_operation): Likewise.
1213         * tree-chrec.c (tree_fold_binomial): Likewise.
1214         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
1215         * config/sparc/sparc.c (sparc_fold_builtin): Likewise.
1216         * config/avr/avr.c (avr_double_int_push_digit): Likewise.
1217         (avr_map): Likewise.
1218         (avr_map_decompose): Likewise.
1219         (avr_out_insert_bits): Likewise.
1220
1221 2012-09-24  Janis Johnson  <janisjo@codesourcery.com>
1222
1223         * doc/sourcebuild.texi (Selectors): Document the use of target
1224         and xfail used together.
1225
1226 2012-09-24  Richard Guenther  <rguenther@suse.de>
1227
1228         PR middle-end/54632
1229         * tree-ssa-live.c (clear_unused_block_pointer_1): Do not
1230         handle DECL_DEBUG_EXPR_IS_FROM here...
1231         (clear_unused_block_pointer): ... but here when walking all
1232         local decls.
1233
1234 2012-09-24  Richard Guenther  <rguenther@suse.de>
1235
1236         PR tree-optimization/54684
1237         * tree-ssa-ccp.c (optimize_unreachable): Properly update stmts.
1238
1239 2012-09-24  Marc Glisse  <marc.glisse@inria.fr>
1240
1241         * tree-ssa-forwprop.c: Include tree-ssa-propagate.h.
1242         (simplify_bitfield_ref): Handle constructors.
1243         * Makefile.in (tree-ssa-forwprop.o): Depend on tree-ssa-propagate.h.
1244
1245 2012-09-24  Richard Guenther  <rguenther@suse.de>
1246
1247         * tree-ssa-pre.c (bitmap_find_leader, create_expression_by_pieces,
1248         find_or_generate_expression): Remove dominating stmt argument.
1249         (find_leader_in_sets, phi_translate_1, bitmap_find_leader,
1250         create_component_ref_by_pieces_1, create_component_ref_by_pieces,
1251         do_regular_insertion, do_partial_partial_insertion): Adjust.
1252         (compute_avail): Do not set uids.
1253
1254 2012-09-24  Eric Botcazou  <ebotcazou@adacore.com>
1255
1256         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
1257         TYPE_NONALIASED_COMPONENT flag.
1258         * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
1259         TYPE_NONALIASED_COMPONENT flag.
1260
1261 2012-09-24  Jia Liu  <proljc@gmail.com>
1262
1263         * doc/lto.texi: Separate sections.
1264         * doc/plugins.texi: Likewise.
1265
1266 2012-09-24  Richard Guenther  <rguenther@suse.de>
1267
1268         PR middle-end/52173
1269         * gimple.c (gimple_copy): Properly mark the copy modified
1270         if SSA operands are present.
1271
1272 2012-09-23  Eric Botcazou  <ebotcazou@adacore.com>
1273
1274         PR tree-optimization/54669
1275         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Invoke
1276         maybe_clean_or_replace_eh_stmt on the modified use statements.
1277
1278 2012-09-23  Marc Glisse  <marc.glisse@inria.fr>
1279
1280         * expr.c (do_store_flag): Remove duplicated code.
1281
1282 2012-09-22  Segher Boessenkool  <segher@kernel.crashing.org>
1283
1284         * config/rs6000/predicates.md (altivec_register_operand,
1285         vsx_register_operand, vfloat_operand, vint_operand,
1286         vlogical_operand, gpc_reg_operand, cc_reg_operand,
1287         cc_reg_not_cr0_operand, cc_reg_not_micro_cr0_operand):
1288         If op is a SUBREG, consider its SUBREG_REG instead.
1289
1290 2012-09-22  Uros Bizjak  <ubizjak@gmail.com>
1291
1292         * optabs.c (prepare_cmp_insn): Expand comparison of the result
1293         of memcmp through generic comparison expansion code.
1294
1295 2012-09-21  Anthony Green  <green@moxielogic.com>
1296
1297         * config/moxie/moxie.opt: Add -mno-crt0 option.
1298         * config/moxie/moxie.h (STARTFILE_SPEC): Handle -mno-crt0 option.
1299         * doc/invoke.texi (Option Summary): Document -mno-crt0 option.
1300
1301 2012-09-21  Jack Howarth  <howarth@bromo.med.uc.edu>
1302
1303         PR bootstrap/54642
1304         * Makefile.in (lto-symtab.o): Remove gt-lto-symtab.h dependency.
1305
1306 2012-09-21  Dehao Chen  <dehao@google.com>
1307
1308         PR go/54649
1309         * tree-eh.c (lower_try_finally_dup_block): Set the correct block for
1310         stmts in the duplicated EH block.
1311
1312 2012-09-21  Richard Guenther  <rguenther@suse.de>
1313
1314         PR tree-optimization/54647
1315         * tree-ssa-pre.c (compute_avail): Do not put COND_EXPR
1316         or VEC_COND_EXPR into EXP_GEN again.
1317
1318 2012-09-21  Jakub Jelinek  <jakub@redhat.com>
1319
1320         PR tree-optimization/54629
1321         * tree-loop-distribution.c (classify_partition): Free loop nest only
1322         after freeing ddr.  Free ddr and loop nest also if successful.
1323
1324 2012-09-21  Matthias Klose  <doko@ubuntu.com>
1325
1326         * config/arm/arm.c (arm_mangle_type): Don't warn anymore that
1327         4.4 has changed the `va_list' mangling.
1328
1329 2012-09-21  Eric Botcazou  <ebotcazou@adacore.com>
1330
1331         PR rtl-optimization/54290
1332         PR rtl-optimization/54644
1333         * reload1.c (choose_reload_regs): Fix thinko in previous change.
1334
1335 2012-09-20  Segher Boessenkool  <segher@kernel.crashing.org>
1336
1337         * config/rs6000/rs6000.md (define_split for plus_eqsi):
1338         Fix output pattern.
1339
1340 2012-09-20  Eric Botcazou  <ebotcazou@adacore.com>
1341
1342         * reload1.c (choose_reload_regs): Add missing #ifdef/#endif pair.
1343
1344 2012-09-20  Bernd Schmidt  <bernds@codesourcery.com>
1345
1346         PR bootstrap/54643
1347         * haifa-sched.c (schedule_block): Skip find_modifiable_mems if using
1348         SCHED_PRESSURE_MODEL.
1349
1350 2012-09-20  Joern Rennecke  <joern.rennecke@embecosm.com>
1351
1352         * rtlanal.c (dead_or_set_regno_p): Fix COND_EXEC handling.
1353
1354 2012-09-20  Marek Polacek  <polacek@redhat.com>
1355
1356         * tree-ssa-operands.c (get_expr_operands): Merge identical cases.
1357
1358 2012-09-20  Marek Polacek  <polacek@redhat.com>
1359
1360         * tree-ssa-threadupdate.c (mark_threaded_blocks): Don't cast XNEWVEC's
1361         result.
1362         (create_edge_and_update_destination_phis): Likewise.
1363
1364 2012-09-20  Martin Jambor  <mjambor@suse.cz>
1365
1366         * function.c (push_cfun): Check old current_function_decl matches
1367         old cfun, set new current_function_decl to the decl of the new cfun.
1368         (push_struct_function): Likewise.
1369         (pop_cfun): Likewise.
1370         (allocate_struct_function): Move call to
1371         invoke_set_current_function_hook to the end of the function.
1372         * cfgexpand.c (estimated_stack_frame_size): Do not set and restore
1373         current_function_decl.
1374         * cgraph.c (cgraph_release_function_body): Likewise.
1375         * cgraphunit.c (cgraph_process_new_functions): Likewise.
1376         (cgraph_add_new_function): Likewise.
1377         (cgraph_analyze_function): Likewise.
1378         (assemble_thunk): Set cfun to NULL at the end.
1379         (expand_function): Move call to set_cfun downwards.
1380         * gimple-low.c (record_vars_into): Only check current_function_decl
1381         before possibly doing push_cfun.
1382         * gimplify.c (gimplify_function_tree): Do not set and restore
1383         current_function_decl.
1384         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
1385         (inline_analyze_function): Likewise.
1386         * ipa-prop.c (ipa_analyze_node): Likewise.
1387         * ipa-pure-const.c (analyze_function): Likewise.
1388         * lto-streamer-in.c (lto_input_function_body): Do not set
1389         current_function_decl.
1390         * lto-streamer-out.c (output_function): Do not set and restore
1391         current_function_decl.
1392         * omp-low.c (finalize_task_copyfn): Likewise.
1393         (expand_omp_taskreg): Likewise.
1394         (create_task_copyfn): Likewise, move push_cfun up quite a bit.
1395         * passes.c (dump_passes): Do not set and restore current_function_decl.
1396         (do_per_function): Likewise.
1397         (do_per_function_toporder): Likewise.
1398         * trans-mem.c (ipa_tm_scan_irr_function): Likewise.
1399         (ipa_tm_transform_transaction): Likewise.
1400         (ipa_tm_transform_clone): Likewise.
1401         (ipa_tm_execute): Likewise.
1402         * tree-emutls.c (lower_emutls_function_body): Likewise.
1403         * tree-inline.c (initialize_cfun): Do not call pop_cfun.
1404         (tree_function_versioning): Do not call push_cfun, do not set and
1405         restore current_function_decl.  Remove assert checking consistency of
1406         cfun and current_function_decl.
1407         * tree-profile.c (tree_profiling): Do not set and restore
1408         current_function_decl.
1409         * tree-sra.c (convert_callers_for_node): Do not set
1410         current_function_decl.
1411         (convert_callers): Do not restore current_function_decl.
1412         (modify_function): Do not set current_function_decl.
1413         * tree-ssa-structalias.c (ipa_pta_execute): Do not set and restore
1414         current_function_decl.
1415
1416 2012-09-20  Diego Novillo  <dnovillo@google.com>
1417
1418         PR target/54631
1419         * config/vxworks.c (vxworks_emutls_var_init): Update for new
1420         VEC_quick_push interface.
1421
1422 2012-09-20  Richard Guenther  <rguenther@suse.de>
1423
1424         PR tree-optimization/54634
1425         * tree-data-ref.c (get_references_in_stmt): For now give
1426         up for pure functions.
1427
1428 2012-09-20  Chen Wei-Ren  <chenwj@iis.sinica.edu.tw>
1429
1430         * doc/lto.texi: Correct typo.
1431
1432 2012-09-19  Dehao Chen  <dehao@google.com>
1433
1434         * config/s390/s390.c (s390_chunkify_start): Replacing INSN_LOCATOR.
1435         * config/spu/spu.c (emit_nop_for_insn): Likewise.
1436         (pad_bb): Likewise.
1437         (spu_emit_branch_hint): Likewise.
1438         (insert_hbrp_for_ilb_runout): Likewise.
1439         * config/mep/mep.c (mep_make_bundle): Likewise.
1440         (mep_bundle_insns): Likewise.
1441         * config/sh/sh.c (gen_block_redirect): Likewise.
1442         * config/c6x/c6x.c (gen_one_bundle): Likewise.
1443         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Likewise.
1444         * config/picochip/picochip.c (picochip_reorg): Likewise.
1445         * config/arm/arm.c (require_pic_register): Likewise.
1446         * config/mips/mips.c (mips16_gp_pseudo_reg): Likewise.
1447         * config/bfin/bfin.c (gen_one_bundle): Likewise.
1448
1449 2012-09-19  Mark Kettenis  <kettenis@openbsd.org>
1450
1451         * config.gcc (hppa*-*-openbsd*): New target.
1452         * config/pa/pa-openbsd.h: New file.
1453         * config/pa/pa32-openbsd.h: New file.
1454         * config/host-openbsd.c: Update copyright year.
1455         (TRY_EXCEPT_VM_SPACE): Define for OpenBSD/hppa.
1456
1457 2012-09-19  Martin Jambor  <mjambor@suse.cz>
1458
1459         * ipa-prop.c (prune_expression_for_jf): New function.
1460         (ipa_set_jf_constant): Use it.
1461         (ipa_set_jf_arith_pass_through): Likewise.
1462         (determine_known_aggregate_parts): Likewise.
1463
1464 2012-09-19  Steve Ellcey  <sellcey@mips.com>
1465
1466         * config.gcc (mips*-mti-elf*): New target.
1467         * config/mips/mti-elf.h: New file.
1468         * config/mips/t-mti-elf: New file.
1469
1470 2012-09-19  Dehao Chen  <dehao@google.com>
1471
1472         * toplev.c (general_init): Init block_locations.
1473         * tree.c (tree_set_block): New.
1474         (tree_block): Change to use LOCATION_BLOCK.
1475         * tree.h (TREE_SET_BLOCK): New.
1476         * final.c (reemit_insn_block_notes): Change to use LOCATION_BLOCK.
1477         (final_start_function): Likewise.
1478         * input.c (expand_location_1): Likewise.
1479         * input.h (LOCATION_LOCUS): New.
1480         (LOCATION_BLOCK): New.
1481         (IS_UNKNOWN_LOCATION): New.
1482         * fold-const.c (expr_location_or): Change to use new location.
1483         * reorg.c (emit_delay_sequence): Likewise.
1484         (try_merge_delay_insns): Likewise.
1485         * modulo-sched.c (dump_insn_location): Likewise.
1486         * lto-streamer-out.c (lto_output_location_bitpack): Likewise.
1487         * lto-cgraph.c (output_node_opt_summary): Likewise.
1488         * jump.c (rtx_renumbered_equal_p): Likewise.
1489         * ifcvt.c (noce_try_move): Likewise.
1490         (noce_try_store_flag): Likewise.
1491         (noce_try_store_flag_constants): Likewise.
1492         (noce_try_addcc): Likewise.
1493         (noce_try_store_flag_mask): Likewise.
1494         (noce_try_cmove): Likewise.
1495         (noce_try_cmove_arith): Likewise.
1496         (noce_try_minmax): Likewise.
1497         (noce_try_abs): Likewise.
1498         (noce_try_sign_mask): Likewise.
1499         (noce_try_bitop): Likewise.
1500         (noce_process_if_block): Likewise.
1501         (cond_move_process_if_block): Likewise.
1502         (find_cond_trap): Likewise.
1503         * ipa-prop.c (ipa_set_jf_constant): Likewise.
1504         (ipa_write_jump_function): Likewise.
1505         * dwarf2out.c (add_src_coords_attributes): Likewise.
1506         * expr.c (expand_expr_real): Likewise.
1507         * tree-parloops.c (create_loop_fn): Likewise.
1508         * recog.c (peep2_attempt): Likewise.
1509         * function.c (free_after_compilation): Likewise.
1510         (expand_function_end): Likewise.
1511         (set_insn_locations): Likewise.
1512         (thread_prologue_and_epilogue_insns): Likewise.
1513         * print-rtl.c (print_rtx): Likewise.
1514         * profile.c (branch_prob): Likewise.
1515         * trans-mem.c (ipa_tm_scan_irr_block): Likewise.
1516         * gimplify.c (gimplify_call_expr): Likewise.
1517         * except.c (duplicate_eh_regions_1): Likewise.
1518         * emit-rtl.c (try_split): Likewise.
1519         (make_insn_raw): Likewise.
1520         (make_debug_insn_raw): Likewise.
1521         (make_jump_insn_raw): Likewise.
1522         (make_call_insn_raw): Likewise.
1523         (emit_pattern_after_setloc): Likewise.
1524         (emit_pattern_after): Likewise.
1525         (emit_debug_insn_after): Likewise.
1526         (emit_pattern_before): Likewise.
1527         (emit_insn_before_setloc): Likewise.
1528         (emit_jump_insn_before): Likewise.
1529         (emit_call_insn_before_setloc): Likewise.
1530         (emit_call_insn_before): Likeise.
1531         (emit_debug_insn_before_setloc): Likewise.
1532         (emit_copy_of_insn_after): Likewise.
1533         (insn_locators_alloc): Remove.
1534         (insn_locators_finalize): Remove.
1535         (insn_locators_free): Remove.
1536         (set_curr_insn_source_location): Remove.
1537         (get_curr_insn_source_location): Remove.
1538         (set_curr_insn_block): Remove.
1539         (get_curr_insn_block): Remove.
1540         (locator_scope): Remove.
1541         (insn_scope): Change to use new location.
1542         (locator_location): Remove.
1543         (insn_line): Change to use new location.
1544         (locator_file): Remove.
1545         (insn_file): Change to use new location.
1546         (locator_eq): Remove.
1547         (insn_locations_init): New.
1548         (insn_locations_finalize): New.
1549         (set_curr_insn_location): New.
1550         (curr_insn_location): New.
1551         * cfgexpand.c (gimple_assign_rhs_to_tree): Change to use new location.
1552         (expand_gimple_cond): Likewise.
1553         (expand_call_stmt): Likewise.
1554         (expand_gimple_stmt_1): Likewise.
1555         (expand_gimple_basic_block): Likewise.
1556         (construct_exit_block): Likewise.
1557         (gimple_expand_cfg): Likewise.
1558         * cfgcleanup.c (try_forward_edges): Likewise.
1559         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
1560         (dump_scope_block): Likewise.
1561         (remove_unused_locals): Likewise.
1562         * rtl.c (rtx_equal_p_cb): Likewise.
1563         (rtx_equal_p): Likewise.
1564         * rtl.h (XUINT): New.
1565         (INSN_LOCATOR): Remove.
1566         (CURR_INSN_LOCATION): Remove.
1567         (INSN_LOCATION): New.
1568         (INSN_HAS_LOCATION): New.
1569         * tree-inline.c (remap_gimple_op_r): Change to use new location.
1570         (copy_tree_body_r): Likewise.
1571         (copy_phis_for_bb): Likewise.
1572         (expand_call_inline): Likewise.
1573         * tree-streamer-in.c (lto_input_ts_exp_tree_pointers): Likewise.
1574         * tree-streamer-out.c (write_ts_decl_minimal_tree_pointers): Likewise.
1575         * gimple-streamer-out.c (output_gimple_stmt): Likewise.
1576         * combine.c (try_combine): Likewise.
1577         * tree-outof-ssa.c (set_location_for_edge): Likewise.
1578         (insert_partition_copy_on_edge): Likewise.
1579         (insert_value_copy_on_edge): Likewise.
1580         (insert_rtx_to_part_on_edge): Likewise.
1581         (insert_part_to_rtx_on_edge): Likewise.
1582         * basic-block.h (edge_def): Remove field.
1583         * gimple.h (gimple_statement_base): Remove field.
1584         (gimple_bb): Change to use new location.
1585         (gimple_set_block): Likewise.
1586         (gimple_has_location): Likewise.
1587         * tree-cfg.c (make_cond_expr_edges): Likewise.
1588         (make_goto_expr_edges): Likewise.
1589         (gimple_can_merge_blocks_p): Likewise.
1590         (move_stmt_op): Likewise.
1591         (move_block_to_fn): Likewise.
1592         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Likewise.
1593         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1594         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1595         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1596         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1597         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1598         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1599         * config/score/score.c (score_output_mi_thunk): Likewise.
1600         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1601         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1602         * cfgrtl.c (unique_locus_on_edge_between_p): Likewise.
1603         (unique_locus_on_edge_between_p): Likewise.
1604         (emit_nop_for_unique_locus_between): Likewise.
1605         (force_nonfallthru_and_redirect): Likewise.
1606         (fixup_reorder_chain): Likewise.
1607         (cfg_layout_merge_blocks): Likewise.
1608         * stmt.c (emit_case_nodes): Likewise.
1609
1610 2012-09-19  Bernd Schmidt  <bernds@codesourcery.com>
1611
1612         * dbgcnt.def (sched_breakdep): New counter.
1613         * haifa-sched.c (update_insn_after_change): New static function,
1614         broken out of haifa_change_pattern.
1615         (haifa_change_pattern): Call it.
1616         (dep_t heap vecs): Declare.
1617         (INSN_COST): Define earlier.
1618         (next_cycle_replace_deps, next_cycle_apply): New static variables.
1619         (apply_replacement): New static function.
1620         (recompute_todo_spec): New argument FOR_BACKTRACK.  All callers
1621         changed.  Handle DEP_REPLACE deps.
1622         (contributes_to_priority_p): False for replaceable deps.
1623         (must_restore_pattern_p, restore_pattern): New static functions.
1624         (schedule_insn): Use them.  Apply replacements for broken deps.
1625         (struct haifa_saved_data): Add new fields to keep track of
1626         replacements.
1627         (save_backtrack_point): Initialize them.
1628         (undo_replacements_for_backtrack): New static function.
1629         (restore_last_backtrack_point, free_topmost_backtrack_point):
1630         Use it and keep track of replacements.
1631         (perform_replacements_new_cycle, undo_all_replacements): New static
1632         functions.
1633         (schedule_block): Call these two as necessary.  Call
1634         find_modifiable_mems.
1635         (try_ready): Tweak the assert.  Check for DEP_POSTPONED.
1636         * sched-deps.c: Include "emit-rtl.h".
1637         (init_dep_1): Initialize DEP_NONREG, DEP_MULTIPLE and DEP_REPLACE.
1638         (dep_spec_p): True for DEP_REPLACE deps.
1639         (mark_as_hard): New static variable.
1640         (update_dep): Update DEP_NONREG and DEP_MULTIPLE.
1641         (add_dependence_list): New argument hard.  All callers changed.  Set
1642         and clear mark_as_hard around function body.
1643         (add_dependence_list_and_free): Likewise.
1644         (haifa_note_mem_dep): Set DEP_NONREG.
1645         (haifa_note_dep): Likewise if mark_as_hard is true.
1646         (sched_analyze_insn): Switch loop with if statement testing for
1647         sel_sched_p.
1648         (struct mem_inc_info): New.
1649         (attempt_change, parse_add_or_inc, find_inc, find_mem): New static
1650         functions.
1651         (find_modifiable_mems): New function.
1652         * sched-int.h (struct dep_replacement): New.
1653         (struct _dep): Add replace, nonreg and multiple fields.  Make type and
1654         cost bitfields.
1655         (UNKNOWN_DEP_COST): Change to match the bitfield.
1656         (DEP_NONREG, DEP_MULTIPLE, DEP_REPLACE): New macros.
1657         (DEP_POSTPONED): New macro.
1658         (DEP_CANCELLED): Renumber.
1659         (find_modifiable_mems): Declare.
1660         (enum SCHED_FLAGS): Add DONT_BREAK_DEPENDENCIES.
1661         * sched-rgn.c (init_ready_list): Set TODO_SPEC here.
1662         (new_ready): Don't set HARD_DEP, use DEP_POSTPONED.
1663         (debug_dependencies): Dump DEP_NONREG and DEP_MULTIPLE.
1664         * Makefile.in (sched-deps.o): Update dependencies.
1665         * config/c6x/c6x.c (in_hwloop): New static variable.
1666         (c6x_set_sched_flags): If it is true, add DONT_BREAK_DEPENDENCIES.
1667         (hwloop_optimize): Set and clear it around preliminary scheduling pass.
1668
1669 2012-09-19  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
1670
1671         * config/rs6000/rs6000-builtin.def: Add __builtin_ppc_get_timebase
1672         and __builtin_ppc_mftb.
1673         * config/rs6000/rs6000.c (rs6000_expand_zeroop_builtin): New function
1674         to expand an expression that calls a built-in without arguments.
1675         (rs6000_expand_builtin): Add __builtin_ppc_get_timebase and
1676         __builtin_ppc_mftb.
1677         (rs6000_init_builtins): Likewise.
1678         * config/rs6000/rs6000.md (rs6000_get_timebase): New pattern.
1679         (rs6000_get_timebase_ppc32): New pattern.
1680         (rs6000_mftb_<mode>): New pattern.
1681
1682         * doc/extend.texi (PowerPC Built-in Functions): New section.
1683         (PowerPC AltiVec/VSX Built-in Functions): Move some built-ins
1684         unrelated to Altivec/VSX to the new section.
1685
1686 2012-09-19  David Edelsohn  <dje.gcc@gmail.com>
1687
1688         * rs6000.md (mac*): Remove extra spaces.
1689         (mulhw*): Same.
1690
1691 2012-09-19  Oleg Endo  <olegendo@gcc.gnu.org>
1692
1693         PR target/54089
1694         * config/sh/predicates.md (arith_reg_or_t_reg_operand): New predicate.
1695         * config/sh/sh.md (*rotcr): Use arith_reg_or_t_reg_operand predicate.
1696         Handle the case where one of the operands is T_REG.
1697         Add new pattern to handle MSB extraction.
1698
1699 2012-09-19  Oleg Endo  <olegendo@gcc.gnu.org>
1700
1701         PR target/54236
1702         * config/sh/sh.md (*addc): Add pattern to handle one bit left shifts.
1703
1704 2012-09-19  Oleg Endo  <olegendo@gcc.gnu.org>
1705
1706         * config/sh/sh.md (prologue, epilogue): Use braced strings.
1707
1708 2012-09-19  Eric Botcazou  <ebotcazou@adacore.com>
1709
1710         PR rtl-optimization/54290
1711         * reload1.c (choose_reload_regs): Also take into account secondary MEMs
1712         to remove address replacements for inherited reloads.
1713         (replaced_subreg): Move around.
1714
1715 2012-09-19  David Edelsohn  <dje.gcc@gmail.com>
1716
1717         * config/rs6000/aix61.h (TARGET_DEFAULT): Add MASK_PPC_GPOPT,
1718         MASK_PPC_GFXOPT, and MASK_MFCRF.
1719
1720 2012-09-19  Richard Guenther  <rguenther@suse.de>
1721
1722         * passes.c (init_optimization_passes): For -Og move
1723         pass_object_sizes inbetween CCP and copyprop.
1724
1725 2012-09-19  Richard Guenther  <rguenther@suse.de>
1726
1727         * tree-ssa-forwprop.c (get_prop_source_stmt): Simplify.
1728
1729 2012-09-19  Jan Hubicka  <jh@suse.cz>
1730
1731         * symtab.c (insert_to_assembler_name_hash): Do not insert
1732         register vars.
1733         (unlink_from_assembler_name_hash): NULL out pointers of unlinked var.
1734         (symtab_prevail_in_asm_name_hash): New.
1735         (symtab_initialize_asm_name_hash): Break out from ...
1736         (symtab_node_for_asm): ... here.
1737         (dump_symtab_base): Dump LTO file data.
1738         (verify_symtab_base): Register vars are not in symtab.
1739         * cgraph.h (symtab_initialize_asm_name_hash,
1740         symtab_prevail_in_asm_name_hash): New functions.
1741         (symtab_real_symbol_p): New inline.
1742         * lto-symtab.c: Do not include gt-lto-symtab.h.
1743         (lto_symtab_entry_def): Remove.
1744         (lto_symtab_entry_t): Remove.
1745         (lto_symtab_identifiers): Remove.
1746         (lto_symtab_free): Remove.
1747         (lto_symtab_entry_hash): Remove.
1748         (lto_symtab_entry_eq): Remove.
1749         (lto_symtab_entry_marked_p): Remove.
1750         (lto_symtab_maybe_init_hash_table): Remove.
1751         (resolution_guessed_p, set_resolution_guessed): New functions.
1752         (lto_symtab_register_decl): Only set resolution info.
1753         (lto_symtab_get, lto_symtab_get_resolution): Remove.
1754         (lto_symtab_merge): Reorg to work across symtab; do nothing if decls
1755         are same.
1756         (lto_symtab_resolve_replaceable_p): Reorg to work on symtab.
1757         (lto_symtab_resolve_can_prevail_p): Likewise; only real symbols can
1758         prevail.
1759         (lto_symtab_resolve_symbols): Reorg to work on symtab.
1760         (lto_symtab_merge_decls_2): Likewise.
1761         (lto_symtab_merge_decls_1): Likewise; add debug dumps.
1762         (lto_symtab_merge_decls): Likewise; do not merge at ltrans stage.
1763         (lto_symtab_merge_cgraph_nodes_1): Reorg to work on symtab.
1764         (lto_symtab_merge_cgraph_nodes): Likewise; do not merge at ltrans
1765         stage.
1766         (lto_symtab_prevailing_decl): Rewrite to lookup into symtab.
1767         * lto-streaer.h (lto_symtab_free): Remove.
1768         * lto-cgraph.c (add_references): Cleanup.
1769         * varpool.c (varpool_assemble_decl): Skip hard regs.
1770
1771 2012-09-19  Richard Guenther  <rguenther@suse.de>
1772
1773         PR other/53316
1774         * common/common-target.h (OPT_LEVELS_1_PLUS_NOT_DEBUG): Add.
1775
1776 2012-09-19  Richard Guenther  <rguenther@suse.de>
1777
1778         PR other/53316
1779         * common.opt (optimize_debug): New variable.
1780         (Og): New optimization level.
1781         * doc/invoke.texi (Og): Document.
1782         * opts.c (maybe_default_option): Add debug parameter.
1783         (maybe_default_options): Likewise.
1784         (default_options_optimization): Handle -Og.
1785         (common_handle_option): Likewise.
1786         * passes.c (gate_all_optimizations): Do not run with -Og.
1787         (gate_all_optimizations_g): New gate, run with -Og.
1788         (pass_all_optimizations_g): New container pass, run with -Og.
1789         (init_optimization_passes): Schedule pass_all_optimizations_g
1790         alongside pass_all_optimizations.
1791
1792 2012-09-19  Richard Guenther  <rguenther@suse.de>
1793
1794         PR tree-optimization/54132
1795         * tree-loop-distribution.c (classify_partition): Properly
1796         check dependences for memmove.
1797         * tree-data-ref.h (compute_affine_dependence): Declare.
1798         * tree-data-ref.c (compute_affine_dependence): Export.
1799
1800 2012-09-19  Zhenqiang Chen <zhenqiang.chen@arm.com>
1801
1802         PR middle-end/54364
1803         * bb-reorder.c (connect_better_edge_p): New added.
1804         (find_traces_1_round): When optimizing for size, ignore edge frequency
1805         and probability, and handle all in one round.
1806         (bb_to_key): Use bb->index as key when optimizing for size.
1807         (better_edge_p): The bb with smaller index is better when optimizing
1808         for size.
1809         (connect_traces): When optimizing for size, connect block n with
1810         block n + 1; connect trace m with trace m + 1 if falling through.
1811         (gate_handle_reorder_blocks): Enable bbro when optimizing for -Os.
1812
1813 2012-09-19  Bin Cheng  <bin.cheng@arm.com>
1814
1815         * fold-const.c (fold_truth_andor): Remove duplicated check on
1816         BRANCH_COST.
1817
1818 2012-09-18  Eric Botcazou  <ebotcazou@adacore.com>
1819
1820         PR middle-end/54617
1821         * expr.c (store_field): Handle a PARALLEL in more cases.
1822
1823 2012-09-18  Segher Boessenkool  <segher@kernel.crashing.org>
1824
1825         * config/rs6000/rs6000.md (sminsi3, smaxsi3, uminsi3, umaxsi3): Delete.
1826         (abssi2, abs<mode>2_isel, nabs<mode>2_isel, abssi2_nopower,
1827         nabs_nopower): Delete.
1828         (absdi2, absdi2_internal, nabsdi2): Delete.
1829         (smindi3, smaxdi3, umindi3, umaxdi3): Delete.
1830
1831 2012-09-18  Georg-Johann Lay  <avr@gjlay.de>
1832
1833         * config/avr/avr.md: Tidy up empty "".  Fix C code indentation.
1834         * config/avr/avr-fixed.md: Ditto.
1835
1836 2012-09-18  Maciej W. Rozycki  <macro@codesourcery.com>
1837
1838         * config/rs6000/rs6000.c (print_operand) <'c'>: Remove.
1839         * config/rs6000/spe.md: Remove a leftover comment.
1840
1841 2012-09-18  Jakub Jelinek  <jakub@redhat.com>
1842
1843         PR target/54592
1844         * config/i386/i386.c (ix86_rtx_costs): Limit > UNITS_PER_WORD
1845         AND/IOR/XOR cost calculation to MODE_INT class modes.
1846
1847 2012-09-18 Thomas Quinot  <quinot@adacore.com>
1848
1849         * doc/invoke.texi: Document -fada-spec-parent.
1850
1851 2012-09-18  Jakub Jelinek  <jakub@redhat.com>
1852
1853         PR tree-optimization/54610
1854         * tree-ssa-forwprop.c: Include optabs.h.  Don't include
1855         tree-vectorizer.h.
1856         (simplify_vector_constructor): Don't use vect_gen_perm_mask,
1857         instead create the mask constant here.
1858         * Makefile.in (tree-ssa-forwprop.o): Depend on $(OPTABS_H).
1859         Don't depend on $(TREE_VECTORIZER_H).
1860
1861 2012-09-18  Florian Weimer  <fweimer@redhat.com>
1862
1863         * Makefile.in (BASIC_BLOCK_H): Add cfg-flags.def.
1864
1865 2012-09-18  Richard Guenther  <rguenther@suse.de>
1866
1867         * statistics.h (CXX_MEM_STAT_INFO): New define.
1868         * gimple.h (gimple_build_assign_with_ops_stat,
1869         gimple_build_assign_with_ops, gimple_build_assign_with_ops3):
1870         Turn into an overload of the function gimple_build_assign_with_ops.
1871         * gimple.c (gimple_build_assign_with_ops_stat): Rename to ...
1872         (gimple_build_assign_with_ops): ... this.
1873         * tree-ssa-loop-im.c (move_computations_stmt): Adjust.
1874         * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
1875         * tree-vect-data-refs.c (vect_permute_store_chain): Likewise.
1876         (vect_permute_load_chain): Likewise.
1877         * tree-vect-generic.c (expand_vector_divmod): Likewise.
1878         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Likewise.
1879         (vect_recog_divmod_pattern): Likewise.
1880         (vect_recog_mixed_size_cond_pattern): Likewise.
1881         (adjust_bool_pattern): Likewise.
1882         * tree-vect-slp.c (vect_create_mask_and_perm): Likewise.
1883         * tree-vect-stmts.c (vectorizable_operation): Likewise.
1884         (permute_vec_elements): Likewise.
1885         (vectorizable_load): Likewise.
1886
1887 2012-09-17  Paul Koning  <ni1d@arrl.net>
1888
1889         * doc/invoke.text (-feliminate-unused-debug-types): Update to
1890         reflect that this is enabled by default.
1891
1892 2012-09-17  Ben Cheng  <bccheng@google.com
1893
1894         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Suppress the
1895         dynamic linker commands for statically linked programs.
1896
1897 2012-09-17  Ulrich Weigand  <ulrich.weigand@linaro.org>
1898
1899         * config/arm/arm.c (arm_rtx_costs_1): Handle vec_extract and vec_set
1900         patterns.
1901         * config/arm/arm.md ("vec_set<mode>_internal"): Support memory source
1902         operands, implemented via vld1 instruction.
1903         ("vec_extract<mode>"): Support memory destination operands, implemented
1904         via vst1 instruction.
1905         ("neon_vst1_lane<mode>"): Use UNSPEC_VST1_LANE instead of vec_select.
1906         * config/arm/predicates.md ("neon_lane_number"): Remove.
1907
1908 2012-09-17  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1909             Ulrich Weigand  <ulrich.weigand@linaro.org>
1910
1911         * config/arm/arm.c (output_move_neon): Update comment.
1912         Use vld1.64/vst1.64 instead of vldm/vstm where possible.
1913         (neon_vector_mem_operand): Support double-word modes.
1914         * config/arm/neon.md (*neon_mov VD): Call output_move_neon
1915         instead of output_move_vfp.  Change constraint from Uv to Un.
1916
1917 2012-09-17  Richard Guenther  <rguenther@suse.de>
1918
1919         PR lto/54598
1920         * tree-streamer-in.c (unpack_ts_real_cst_value_fields): Use ggc'ed
1921         FIXED_VALUE_TYPE instead of struct fixed_value.
1922
1923 2012-09-17  Georg-Johann Lay  <avr@gjlay.de>
1924
1925         * config/avr/avr.c (CONST_FIXED_P): Remove define.
1926         * config/avr/avr.md (add<mode>3): Use CONST_FIXED_P.
1927
1928 2012-09-17  Georg-Johann Lay  <avr@gjlay.de>
1929
1930         PR target/54607
1931         * config.gcc (tm_file,avr): Add avr/avr-arch.h.
1932         * config/avr/t-avr (gen-avr-mmcu-texi): Use CC_FOR_BUILD to
1933         compile.  Don't depend on TM_H.  Use CFLAGS_FOR_BUILD.
1934         * config/avr/avr.h (avr_arch, base_arch_s, mcu_type_s): Source out
1935         to...
1936         * config/avr/avr-arch.h: ...this new file.
1937         * config/avr/gen-avr-mmcu-texi.c: Include avr-arch.h, stdio.h,
1938         stdlib.h.
1939         * comparator: Make letters smaller than digits.
1940         * config/avr/avr-devices.c: Don't include headers if used in
1941         gen-avr-mmcu-texi.c.
1942         * doc/avr-mmcu.texi: Regenerate.
1943
1944 2012-09-17  Georg-Johann Lay  <avr@gjlay.de>
1945
1946         * rtl.h (CONST_FIXED_P): New predicate macro.
1947
1948 2012-09-17  Eric Botcazou  <ebotcazou@adacore.com>
1949
1950         * tree-cfgcleanup. (cleanup_control_expr_graph) <GIMPLE_COND>: Remove
1951         code doing propagation from degenerate PHI nodes.
1952         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): New function.
1953         (propagate_constants_for_unrolling): Likewise.
1954         (tree_unroll_loops_completely): If the current loop has been unrolled
1955         and its father isn't the entire function, propagate constants within
1956         the new basic blocks by means of propagate_constants_for_unrolling.
1957
1958 2012-09-17  Jakub Jelinek  <jakub@redhat.com>
1959
1960         PR tree-optimization/54563
1961         * tree-ssa-math-opts.c (execute_cse_sincos): Call
1962         gimple_purge_dead_eh_edges if last call has been changed.
1963
1964 2012-09-17  Georg-Johann Lay  <avr@gjlay.de>
1965
1966         PR target/54222
1967         * config/avr/avr.c (avr_out_plus_symbol): Fix typo if PLUS and PSImode.
1968         (avr_out_plus_1): Remove log comments from assembler output.
1969
1970 2012-09-17  Ruben Buchatskiy  <ruben@ispras.ru>
1971
1972         * config/arm/vfp.md (*thumb2_movdf_vfp): Require one of the operands
1973         to be a register.
1974
1975 2012-09-16  Richard Sandiford  <rdsandiford@googlemail.com>
1976
1977         * calls.c (expand_call): Use emit_group_move for PARALLEL->PARALLEL
1978         moves.
1979
1980 2012-09-15  Tom de Vries  <tom@codesourcery.com>
1981
1982         * tree-vrp.c (extract_range_from_binary_expr_1): Fix bug in handling of
1983         LSHIFT_EXPR with shift range.  Handle more LSHIFT_EXPR cases with shift
1984         range.
1985
1986 2012-09-15  Georg-Johann Lay  <avr@gjlay.de>
1987
1988         PR target/54222
1989         * config/avr/avr-fixed.md (ALL2S, ALL4S, ALL24S, ALL124S,
1990         ALL124U): New mode iterators.
1991         (<code_stdname><mode>3): New insns for SS_PLUS, SS_MINUS.
1992         (<code_stdname><mode>3): New insns for US_PLUS, US_MINUS.
1993         (usneg<mode>2): New insns.
1994         (<code_stdname><mode>2): New expanders for SS_NEG, SS_ABS.
1995         (*<code_stdname><mode>2): New insns for SS_NEG, SS_ABS.
1996         * config/avr/avr-dimode.md (ALL8U, ALL8S): New mode iterators.
1997         (avr_out_plus64, avr_out_minus64): Use avr_out_plus instead.
1998         (<code_stdname><mode>3): New expanders for SS_PLUS, SS_MINUS.
1999         (<code_stdname><mode>3): New expanders for US_PLUS, US_MINUS.
2000         (<code_stdname><mode>3_insn): New insns.
2001         (<code_stdname><mode>3_const_insn): New insns.
2002         * config/avr/avr.md (cc): Add: plus. Remove: out_plus,
2003         out_plus_noclobber, minus.
2004         (length): Add: plus.  Remove: out_plus, out_plus_noclobber,
2005         plus64, minus, minus64.
2006         (abelian): New code_attr.
2007         (code_stdname): Handle: ss_plus, ss_minus, ss_neg, ss_abs,
2008         us_plus, us_minus, us_neg.
2009         (*add<mode>3, add<mode>3_clobber, add<mode>3, addpsi3, sub<mode>3):
2010         Use avr_out_plus to output.
2011         * config/avr/avr-protos.h (avr_out_plus): Change prototype.
2012         (avr_out_plus_noclobber, avr_out_minus): Remove.
2013         (avr_out_plus64, avr_out_minus64): Remove.
2014         * config/avr/avr.c (avr_out_plus_1): Add new default arguments
2015         code_sat, sign.  Saturate after operation if code_sat != UNKNOWN.
2016         (avr_out_plus_symbol): New static function.
2017         (avr_out_plus): Rewrite.
2018         (adjust_insn_length): Handle: ADJUST_LEN_PLUS.  Remove handling
2019         of: ADJUST_LEN_OUT_PLUS, ADJUST_LEN_PLUS64, ADJUST_LEN_MINUS,
2020         ADJUST_LEN_MINUS64, ADJUST_LEN_OUT_PLUS_NOCLOBBER.
2021         (notice_update_cc): Handle: CC_PLUS.  Remove handling of: CC_MINUS,
2022         CC_OUT_PLUS, CC_OUT_PLUS_NOCLOBBER
2023         (avr_out_plus_noclobber, avr_out_minus): Remove.
2024         (avr_out_plus64, avr_out_minus64): Remove.
2025         (avr_print_operand): Print raw REGNO if 'r' is used with REG.
2026
2027 2012-09-15  Oleg Endo  <olegendo@gcc.gnu.org>
2028
2029         * config/sh/sh.c (sh_rtx_costs): Add handling of MEM, SIGN_EXTEND,
2030         ZERO_EXTEND and PARALLEL cases.
2031         (sh_address_cost): Correct rtx parsing and tweak cost estimations.
2032
2033 2012-09-14  Sandra Loosemore  <sandra@codesourcery.com>
2034
2035         * doc/tm.texi.in (Stack Arguments): Update obsolete references
2036         to current_function_outgoing_args_size.
2037         (Function Entry): Likewise for current_function_pops_args,
2038         current_function_pretend_args_size,
2039         current_function_outgoing_args_size, and
2040         current_function_epilogue_delay_list.
2041         (Misc): Fix garbled sentence referencing nonexistent
2042         current_function_leaf_function.
2043         * doc/tm.texi: Regenerated.
2044
2045 2012-09-14  Dehao Chen  <dehao@google.com>
2046
2047          * tree-eh.c (goto_queue_node): New field.
2048         (record_in_goto_queue): New parameter.
2049         (record_in_goto_queue_label): New parameter.
2050         (lower_try_finally_dup_block): New parameter.
2051         (maybe_record_in_goto_queue): Update source location.
2052         (lower_try_finally_copy): Likewise.
2053         (honor_protect_cleanup_actions): Likewise.
2054         * gimplify.c (gimplify_expr): Reset the location to unknown.
2055
2056 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
2057
2058         * configure: Regenerated.
2059
2060 2012-09-14  Walter Lee  <walt@tilera.com>
2061
2062         * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
2063         option for TILEPro and TILE-Gx.
2064         (TILE-Gx Options): Fix grammar and spellings in documentation for
2065         -mcmodel.
2066
2067 2012-09-14  Marc Glisse  <marc.glisse@inria.fr>
2068
2069         PR c++/54427
2070         * fold-const.c (fold_unary_loc): Disable for VECTOR_TYPE.
2071         (fold_binary_loc): Likewise.
2072         * gimple-fold.c (and_comparisons_1): Handle VECTOR_TYPE.
2073         (or_comparisons_1): Likewise.
2074
2075 2012-09-14  Richard Earnshaw  <rearnsha@arm.com>
2076
2077         PR target/54516
2078         PR rtl-optimization/54540
2079         * reload.c (find_dummy_reload): Don't use OUT as a reload reg
2080         for IN if it overlaps a fixed register.
2081
2082 2012-09-14  Eric Botcazou  <ebotcazou@adacore.com>
2083
2084         PR rtl-optimization/44194
2085         * calls.c (expand_call): In the PARALLEL case, copy the return value
2086         into pseudos instead of spilling it onto the stack.
2087         * emit-rtl.c (adjust_address_1): Rename ADJUST into ADJUST_ADDRESS and
2088         add new ADJUST_OBJECT parameter.
2089         If ADJUST_OBJECT is set, drop the underlying object if it cannot be
2090         proved that the adjusted memory access is still within its bounds.
2091         (adjust_automodify_address_1): Adjust call to adjust_address_1.
2092         (widen_memory_access): Likewise.
2093         * expmed.c (store_bit_field_1): Call adjust_bitfield_address instead
2094         of adjust_address.  Do not drop the underlying object of a MEM.
2095         (store_fixed_bit_field): Likewise.
2096         (extract_bit_field_1): Likewise.  Fix oversight in recursion.
2097         (extract_fixed_bit_field): Likewise.
2098         * expr.h (adjust_address_1): Adjust prototype.
2099         (adjust_address): Adjust call to adjust_address_1.
2100         (adjust_address_nv): Likewise.
2101         (adjust_bitfield_address): New macro.
2102         (adjust_bitfield_address_nv): Likewise.
2103         * expr.c (expand_assignment): Handle a PARALLEL in more cases.
2104         (store_expr): Likewise.
2105         (store_field): Likewise.
2106
2107         * dse.c: Fix typos in the head comment.
2108
2109 2012-09-14  Christian Bruel  <christian.bruel@st.com>
2110
2111         PR target/54546
2112         * config/sh/sh-protos.h (sh_need_epilogue): Delete.
2113         (sh_can_use_simple_return_p): Declare.
2114         * config/sh/sh.c (sh_can_use_simple_return_p): Define.
2115         (sh_need_epilogue, sh_need_epilogue_known): Delete.
2116         (sh_output_function_epilogue): Remove sh_need_epilogue_known.
2117         * config/sh/sh.md (simple_return, return): Define.
2118         (epilogue): Use inline return rtl.
2119         (sh_expand_epilogue): Cleanup parameters boolean type.
2120         * config/sh/iterators.md (any_return): New iterator.
2121
2122 2012-09-14  Christian Bruel  <christian.bruel@st.com>
2123
2124         * config/sh/predicates.md (t_reg_operand): Check REG_P for SUBREG.
2125         * config/sh/sh.c (sequence_insn_p): Check INSNP_P for SEQUENCE.
2126
2127 2012-09-14  Jakub Jelinek  <jakub@redhat.com>
2128
2129         PR target/54564
2130         * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
2131         instead of (match_dup 0) as second argument to vec_merge.
2132         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
2133         Remove third alternative.
2134         (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise.  Negate
2135         operand 2 instead of operand 1, but put it as first argument of fma.
2136         * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
2137         _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
2138         of the first.
2139
2140 2012-09-14  Richard Guenther  <rguenther@suse.de>
2141
2142         PR tree-optimization/54565
2143         * passes.c (init_optimization_passes): Adjust comments.
2144         (execute_function_todo): Do not execute execute_update_addresses_taken
2145         before processing TODO_rebuild_alias.
2146         * tree-ssa-ccp.c (do_ssa_ccp): Schedule TODO_update_address_taken.
2147
2148 2012-09-14  Richard Guenther  <rguenther@suse.de>
2149
2150         * tree-vrp.c (register_new_assert_for): Simplify for backward walk.
2151         (find_assert_locations_1): Walk the basic-block backwards, properly
2152         add/prune from live.  Use live for asserts derived from stmts.
2153
2154 2012-09-14  Marc Glisse  <marc.glisse@inria.fr>
2155
2156         * tree-ssa-forwprop.c (simplify_bitfield_ref): Call
2157         get_prop_source_stmt.
2158         (simplify_permutation): Likewise.
2159         (simplify_vector_constructor): Likewise.
2160
2161 2012-09-14  Richard Guenther  <rguenther@suse.de>
2162
2163         * builtin-types.def (BT_FN_CONST_STRING): Add.
2164         * builtins.def (BUILT_IN_FILE, BUILT_IN_FUNCTION,
2165         BUILT_IN_LINE): New builtins.
2166         * gimplify.c (gimplify_call_expr): Expand them.
2167         * doc/extend.texi (__builtin_LINE, __builtin_FUNCTION,
2168         __builtin_FILE): Document.
2169
2170 2012-09-13  Anthony Green  <green@moxielogic.com>
2171
2172         * config/moxie/moxie.h (LINK_SPEC): Add bi-endian support.
2173         (MULTILIB_DEFAULTS): Define.
2174         (ASM_SPEC): Define.
2175         (BYTES_BIG_ENDIAN, WORDS_BIG_ENDIAN): Add bi-endian support.
2176         (TARGET_CPU_CPP_BUILTINS): Add __MOXIE_LITTLE_ENDIAN__ and
2177         __MOXIE_BIG_ENDIAN__.
2178         * config/moxie/t-moxie (MULTILIB_DIRNAMES, MULTILIB_OPTIONS): Define.
2179         * config/moxie/moxie.opt: New file.
2180         * doc/invoke.texi (Moxie Options): Add section documenting -mel
2181         and -meb.
2182
2183 2012-09-13  Paolo Carlini  <paolo.carlini@oracle.com>
2184             Manuel López-Ibáñez  <manu@gcc.gnu.org>
2185
2186         PR c++/53210
2187         * doc/invoke.texi ([Winit-self]): Document as enabled by -Wall in C++.
2188
2189 2012-09-13  Eric Botcazou  <ebotcazou@adacore.com>
2190
2191         * config/sparc/predicates.md (input_operand): Do not consider TImode
2192         constants as 1-instruction integer constants.
2193         Use register_or_zero_operand instead of register_operand and tidy up.
2194         * config/sparc/sparc.md (movti): New expander.
2195         (movti_insn_sp64): New instruction.
2196         (movti_insn_sp64_hq): Likewise.
2197         (TImode splitters): New splitters.
2198         * config/sparc/sparc.c (sparc_expand_move) <TImode>: New case.
2199         (sparc_legitimate_address_p): Return 0 for REG+REG in TImode.
2200
2201         * config/sparc/sparc-protos.h (arith_double_4096_operand): Delete.
2202         (arith_4096_operand): Likewise.
2203         (zero_operand): Likewise.
2204         (fp_zero_operand): Likewise.
2205         (reg_or_0_operand): Likewise.
2206
2207 2012-09-13  Jakub Jelinek  <jakub@redhat.com>
2208
2209         * configure.ac (CXXFLAGS): Remove -O2 when not bootstrapping.
2210         * configure: Regenerated.
2211
2212 2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
2213
2214         * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
2215         (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
2216         Rename to ...
2217         (*prefetch_sse): ... this.
2218         (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
2219         Rename to ...
2220         (*prefetch_3dnow): ... this.
2221
2222 2012-09-13  Steven Bosscher  <steven@gcc.gnu.org>
2223
2224         * ipa-pure-const.c (state_from_flags, local_pure_const): Use
2225         current_function_name instead of lang_hooks.decl_printable_name.
2226
2227         * function.h (fndecl_name): New prototype.
2228         * function.c (fndecl_name): New function.
2229         * vecir.h (cgraph_node_p): New standard IR VEC type.
2230         * trans-mem.c (cgraph_node_p): No need anymore to define it here.
2231         * ipa-utils.h (ipa_get_nodes_in_cycle): New prototype.
2232         * ipa-utils.c (ipa_get_nodes_in_cycle): New function.
2233         * ipa-reference.c: Don't include langhooks.h, and certainly not twice.
2234         Fix many formatting issues (long lines, short lines, spacing, etc.).
2235         (get_static_name): Use fndecl_name.
2236         (dump_static_vars_set_to_file): New function split out from propagate.
2237         (union_static_var_sets): New function, union two sets and collapse
2238         to all_module_statics as quickly as possible.
2239         (intersect_static_var_sets): New function, similar to above.
2240         (copy_static_var_set): Renamed from copy_global_bitmap and rewritten
2241         to allocate a copy on the same bitmap_obstack as the source set.
2242         (propagate_bits): Simplify, and clarify by using union_static_var_sets.
2243         (generate_summary): Remove bm_temp.  Print UID of promotable globals.
2244         (read_write_all_from_decl): Use pass-by-reference, bless C++.
2245         (get_read_write_all_from_node): New function, split out from propagate.
2246         (propagate): Simplify and clarify with helper functions.  Use
2247         ipa_get_nodes_in_cycle to walk all nodes in a reduced node.
2248         (ipa_reference_read_optimization_summary): Use fndecl_name instead of
2249         lang_hooks.decl_printable_name.
2250
2251         * rtl.h (print_rtl_single_with_indent): New prototype.
2252         * print-rtl.c (print_rtl_single_with_indent): New function.
2253         * cfghooks.h (empty_block_p, split_block_before_cond_jump): New hooks.
2254         * cfghooks.c (empty_block_p, split_block_before_cond_jump): Implement.
2255         * cfgrtl.c (rtl_block_empty_p, rtl_split_block_before_cond_jump):
2256         Implement RTL specific hooks.
2257         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Register the new hooks.
2258         * tree-cfg.c (gimple_empty_block_p,
2259         gimple_split_block_before_cond_jump): Implement GIMPLE specific hooks.
2260         (gimple_cfg_hooks): Register the new hooks.
2261         * tree-ssa-phiopt.c (empty_block_p): Remove in favor of new hook.
2262
2263 2012-09-13  Richard Guenther  <rguenther@suse.de>
2264
2265         * tree-ssa-sccvn.h (enum vn_kind): New.
2266         (vn_get_stmt_kind): Likewise.
2267         * tree-ssa-sccvn.c (vn_get_stmt_kind): New function, adjust
2268         ADDR_EXPR handling.
2269         (visit_use): Use it.
2270         * tree-ssa-pre.c (compute_avail): Likewise, simplify further.
2271
2272 2012-09-13  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2273
2274         * config/i386/i386.c (processor_alias_table): Enable PTA_PRFCHW
2275         for targets bdver1, bdver2, btver1 and btver2.
2276
2277 2012-09-13  Christophe Lyon  <christophe.lyon@linaro.org>
2278             Richard Earnshaw  <rearnsha@arm.com>
2279
2280         * config/arm/arm.md (arm_rev): Factorize thumb1, thumb2 and arm
2281         variants for rev instruction..
2282         (thumb1_rev): Delete pattern.
2283         (arm_revsh): New pattern to support builtin_bswap16.
2284         (arm_rev16, bswaphi2): Likewise.
2285
2286 2012-09-12  Teresa Johnson  <tejohnson@google.com>
2287
2288         PR gcov-profile/54487
2289         * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
2290         test using F_SETLKW with fcntl.
2291         * configure, config.in: Regenerate.
2292
2293 2012-09-12  Jan Hubicka  <jh@suse.cz>
2294
2295         PR fortran/48636
2296         * ipa-inline-analysis.c (dump_inline_hints): Dump loop stride.
2297         (set_hint_predicate): New function.
2298         (reset_inline_summary): Reset loop stride.
2299         (remap_predicate_after_duplication): New function.
2300         (remap_hint_predicate_after_duplication): New function.
2301         (inline_node_duplication_hook): Update.
2302         (dump_inline_summary): Dump stride summaries.
2303         (estimate_function_body_sizes): Compute strides.
2304         (remap_hint_predicate): New function.
2305         (inline_merge_summary): Use it.
2306         (inline_read_section): Read stride.
2307         (inline_write_summary): Write stride.
2308         * ipa-inline.c (want_inline_small_function_p): Handle strides.
2309         (edge_badness): Likewise.
2310         * ipa-inline.h (inline_hints_vals): Add stride hint.
2311         (inline_summary): Update stride.
2312
2313 2012-09-12  Uros Bizjak  <ubizjak@gmail.com>
2314
2315         * config/i386/i386.c (x86_prefetch_sse): Change to unsigned char.
2316         * config/i386/i386.h (x86_prefetch_sse): Ditto.
2317
2318 2012-09-12  H.J. Lu  <hongjiu.lu@intel.com>
2319
2320         PR target/54445
2321         * config/i386/predicates.md (x86_64_immediate_operand): Allow
2322         negative offset for UNSPEC_DTPOFF/UNSPEC_NTPOFF.
2323
2324 2012-09-12  Jan Hubicka  <jh@suse.cz>
2325
2326         * common.opt (flto-partition): Add "max".
2327         * invoke.texi (flto-partition): Document "max"
2328
2329 2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
2330
2331         * config/i386/i386.md : Comments on fma4 instruction selection
2332         reflect requirement on register pressure based cost model.
2333
2334         * config/i386/driver-i386.c (host_detect_local_cpu): fma4
2335         flag is set-reset as informed by the cpuid flag.
2336
2337         * config/i386/i386.c (processor_alias_table): fma4
2338         flag is enabled for bdver2.
2339
2340 2012-09-12  Richard Guenther  <rguenther@suse.de>
2341
2342         PR tree-optimization/54489
2343         * tree-ssa-pre.c: Include domwalk.h.
2344         (in_fre): Remove.
2345         (sccvn_valnum_from_value_id): New function.
2346         (debug_bitmap_sets_for): Simplify.
2347         (get_representative_for): Properly initialize the SCCVN valnum.
2348         (create_expression_by_pieces): Likewise.
2349         (insert_into_preds_of_block): Likewise.
2350         (can_PRE_operation): Remove.
2351         (make_values_for_phi): Simplify.
2352         (compute_avail): Likewise.
2353         (do_SCCVN_insertion): Remove.
2354         (eliminate_avail, eliminate_push_avail, eliminate_insert):
2355         New functions.
2356         (eliminate): Split and perform a domwalk.
2357         (eliminate_bb): Former eliminate part that is now dom-enter.
2358         (eliminate_leave_block): New function.
2359         (fini_eliminate): Likewise.
2360         (init_pre): Simplify.
2361         (fini_pre): Likewise.
2362         (execute_pre): Fold into do_pre and do_fre.
2363         (do_pre): Consume execute_pre.
2364         (do_fre): Likewise.
2365         * Makefile.in (tree-ssa-pre.o): Add domwalk.h dependency.
2366
2367 2012-09-12  Diego Novillo  <dnovillo@google.com>
2368
2369         * vec.h: Remove compatibility notes for previous distinction
2370         between vectors of objects and vectors of pointers.
2371
2372 2012-09-12  Christian Bruel  <christian.bruel@st.com>
2373
2374         * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
2375
2376 2012-09-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2377
2378         * rtl.h (FFS, FLOAT, ABS, PC): Don't undef.
2379         * system.h (FFS, FLOAT, ABS, PC): Undef.
2380
2381 2012-09-12  Richard Guenther  <rguenther@suse.de>
2382
2383         PR middle-end/54553
2384         * common.opt (finline): Mark with Optimization.
2385
2386 2012-09-12  Jakub Jelinek  <jakub@redhat.com>
2387
2388         * config.gcc: Obsolete picochip-*.
2389
2390 2012-09-12  Nathan Froyd  <froydnj@gcc.gnu.org>
2391             Hans-Peter Nilsson  <hp@bitrange.com>
2392
2393         * config/mmix/mmix.h (MMIX_REG_OK_STRICT): Delete.
2394         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P): Delete.
2395         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2396         * config/mmix/mmix-protos.h (mmix_intval): Declare.
2397         (mmix_const_ok_for_letter_p, mmix_extra_constraint): Delete.
2398         (mmix_const_double_ok_for_letter_p): Delete.
2399         * config/mmix/constraints.md: New file.
2400         * config/mmix/mmix.md: Include it.
2401         (iordi3): Fix typo; use "I" instead of undefined "H" constraint.
2402         ("*call_real"): Update comment about not using the "p" constraint.
2403         * config/mmix/predicates.md (mmix_reg_or_8bit_operand): Use
2404         satisfies_constraint_I.
2405         (mmix_address_operand): New predicate.
2406         (mmix_symbolic_or_address_operand): Use it instead of address_operand.
2407         * config/mmix/mmix.c: #include tm-constrs.h.
2408         (mmix_intval): Delete declaration.  Make non-static.
2409         (mmix_const_ok_for_letter_p, mmix_extra_constraint): Delete.
2410         (mmix_const_double_ok_for_letter_p): Delete.
2411         (mmix_legitimate_address_p): Use satisfies_constraint_I.
2412         (mmix_print_operand_address): Likewise.
2413         (mmix_emit_sp_add): Adjust to use insn_const_int_ok_for_constraint
2414         when matching "L" constraint.
2415
2416 2012-09-11  Steven Bosscher  <steven@gcc.gnu.org>
2417
2418         * tree.h (expand_case): Move prototype ...
2419         * expr.h (expand_case): ...here.
2420         (expand_sjlj_dispatch_table): New prototype.
2421         * stmt.c: Include pointer-set.h instead of bitmap.h.
2422         (expand_case): Use a pointer set instead of a bitmap for
2423         already-seen labels.  Fold label values here.
2424         (add_case_node): Don't fold label values here.
2425         (expand_sjlj_dispatch_table): New function.
2426         * except.c (sjlj_emit_dispatch_table): Use it.
2427
2428 2012-09-11  Marc Glisse  <marc.glisse@inria.fr>
2429
2430         * tree-ssa-forwprop.c (simplify_vector_constructor): New function.
2431         (ssa_forward_propagate_and_combine): Call it.
2432
2433 2012-09-11  Diego Novillo  <dnovillo@google.com>
2434
2435         * var-tracking.c (vt_add_function_parameter): Adjust for VEC changes.
2436
2437 2012-09-11  Dominique Dhumieres  <dominiq@lps.ens.fr>
2438
2439         * config/darwin.c (darwin_asm_named_section): Adjust for VEC changes.
2440         (darwin_asm_dwarf_section): Likewise.
2441
2442 2012-09-11  Martin Jambor  <mjambor@suse.cz>
2443
2444         * dwarf2out.c (dwarf2out_abstract_function): Do not change cfun.
2445         (premark_used_types): New parameter fun, use it instead of cfun.
2446         (gen_subprogram_die): Use DECL_STRUCT_FUNCTION (decl) instead of cfun,
2447         also pass it to premark_used_types.
2448
2449 2012-09-11  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2450
2451         * doc/sourcebuild.texi (arm_neon_v2_ok): Adjust command line.
2452
2453 2012-09-11  Tobias Burnus  <burnus@net-b.de>
2454
2455         * doc/sourcebuild.texi (arm_neon_v2_ok): Fix @anchor.
2456
2457 2012-09-11  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2458             Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2459
2460         * config/arm/neon.md (fma<VCVTF:mode>4): New pattern.
2461         (*fmsub<VCVTF:mode>4): Likewise.
2462         * doc/sourcebuild.texi (arm_neon_v2_ok, arm_neon_v2_hw):  Document it.
2463
2464 2012-09-11  Aldy Hernandez  <aldyh@redhat.com>
2465
2466         PR middle-end/54149
2467         * tree-ssa-loop-im.c (execute_sm_if_changed_flag_set): Only set
2468         flag for writes.
2469
2470 2012-09-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2471
2472         PR tree-optimization/55492
2473         * doc/invoke.texi (max-slsr-cand-scan): New description.
2474         * gimple-ssa-strength-reduction.c (find_basis_for_candidate): Limit
2475         the time spent searching for a basis.
2476         * params.def (PARAM_MAX_SLSR_CANDIDATE_SCAN): New param.
2477
2478 2012-09-11  Richard Guenther  <rguenther@suse.de>
2479
2480         * gimple.h (gimple_register_type): Remove.
2481         (print_gimple_types_stats): Adjust prototype.
2482         * lto-streamer.h (print_lto_report): Likewise.
2483         * lto-streamer.c (print_lto_report): Adjust.
2484         * gimple.c (gimple_types, type_hash_cache, enum gtc_mode,
2485         struct type_pair_d, lookup_type_pair, struct sccs,
2486         next_dfs_num, gtc_next_dfs_num, struct gimple_type_leader_entry_s,
2487         gimple_type_leader, gimple_lookup_type_leader, compare_type_names_p,
2488         gtc_visit, gimple_types_compatible_p_1, gimple_types_compatible_p,
2489         visit, iterative_hash_name, struct type_hash_pair,
2490         type_hash_pair_compare, iterative_hash_gimple_type, gimple_type_hash,
2491         gimple_type_eq, gimple_register_type_1, gimple_register_type):
2492         Move to lto/lto.c.
2493         (print_gimple_types_stats): Adjust.
2494         (free_gimple_type_tables): Likewise.
2495
2496 2012-09-11  Richard Guenther  <rguenther@suse.de>
2497
2498         * graphite-scop-detection.c (move_sd_regions): Adjust for VEC changes.
2499         (scopdet_basic_block_info): Likewise.
2500         (build_scops_1): Likewise.
2501         (limit_scops): Likewise.
2502
2503 2012-09-11  Richard Guenther  <rguenther@suse.de>
2504
2505         PR middle-end/54515
2506         * gimple.c (get_base_address): Do not return NULL_TREE apart
2507         from for WITH_SIZE_EXPR.
2508         * gimple-fold.c (canonicalize_constructor_val): Do not call
2509         get_base_address when not necessary.
2510
2511 2012-09-10  Andrew Pinski  <apinski@cavium.com>
2512
2513         PR tree-opt/54362
2514         * trans-mem.c (thread_private_new_memory): Handle COND_EXPR also.
2515
2516 2012-09-10  Maxim Kuvyrkov  <maxim@codesourcery.com>
2517
2518         * config/m68k/m68k.c (m68k_sched_dfa_post_advance_cycle): Support
2519         starting scheduling from a pre-existing state.
2520
2521 2012-09-10  Diego Novillo  <dnovillo@google.com>
2522
2523         * vec.h (vec_t::quick_push): Remove overload that accepts 'T *'.
2524         Update all users.
2525         (vec_t::safe_push): Likewise.
2526         (vec_t::quick_insert): Likewise.
2527         (vec_t::lower_bound): Likewise.
2528         (vec_t::safe_insert): Likewise.
2529         (vec_t::replace): Change second argument to 'T &'.
2530
2531 2012-09-10  Maciej W. Rozycki  <macro@codesourcery.com>
2532
2533         * config/rs6000/rs6000.md: Move a splitter next to its insn.
2534
2535 2012-09-10  Oleg Endo  <olegendo@gcc.gnu.org>
2536
2537         PR target/54089
2538         * config/sh/sh.h (SH_DYNAMIC_SHIFT_COST): Set always to 1 if
2539         dynamic shifts are available.
2540         (SHIFT_COUNT_TRUNCATED): Always define to 0.  Correct comment.
2541         * config/sh/sh.c (ashl_lshr_seq, ext_ashl_lshr_seq): Add comments.
2542         * config/sh/predicates.md (shift_count_operand): Allow
2543         arith_reg_operand even if TARGET_DYNSHIFT is false.
2544         * config/sh/sh.md (ashlsi3, lshrsi3): Expand library call patterns
2545         if needed.
2546         (ashlsi3_d_call, lshrsi3_d_call): New insns.
2547
2548 2012-09-10  Richard Sandiford  <rdsandiford@googlemail.com>
2549
2550         * ira.c (setup_pressure_classes): Handle synonymous classes.
2551
2552 2012-09-10  Marc Glisse  <marc.glisse@inria.fr>
2553
2554         * tree-ssa-forwprop.c (simplify_bitfield_ref): New function.
2555         (ssa_forward_propagate_and_combine): Call it.
2556
2557 2012-09-10  Steve Ellcey  <sellcey@mips.com>
2558
2559         * config.gcc: Add mips*-mti-linux* target
2560         Handle with_synci like other options.
2561         * config/mips/gnu-user64.h (LINUX64_DRIVER_SELF_SPECS): New.
2562         (DRIVER_SELF_SPECS): Define in terms of LINUX64_DRIVER_SELF_SPECS.
2563         * config/mips/mips.h (MIPS_ISA_SYNCI_SPEC): New.
2564         * config/mips/mti-linux.h: New file.
2565         * config/mips/t-mti-linux: New file.
2566
2567 2012-09-10  Marc Glisse  <marc.glisse@inria.fr>
2568
2569         * tree-ssa-forwprop.c (simplify_permutation): Handle CONSTRUCTOR.
2570
2571 2012-09-10  Martin Jambor  <mjambor@suse.cz>
2572
2573         * params.def (PARAM_IPA_MAX_AGG_ITEMS): New parameter.
2574         * ipa-prop.c: Include params.h.
2575         (IPA_MAX_AFF_JF_ITEMS): Removed.
2576         (determine_known_aggregate_parts): Use param value of
2577         PARAM_IPA_MAX_AGG_ITEMS instead of IPA_MAX_AFF_JF_ITEMS.
2578         * Makefile.in (ipa-prop.o): Add PARAMS_H dependency.
2579
2580 2012-09-10  Richard Guenther  <rguenther@suse.de>
2581
2582         PR tree-optimization/54520
2583         * tree-ssa-threadupdate.c (def_split_header_continue_p):
2584         Properly consider sub-loops.
2585
2586 2012-09-10  Richard Henderson  <rth@redhat.com>
2587
2588         * config/alpha/predicates.md (small_symbolic_operand): Disallow
2589         large offsets.
2590
2591 2012-09-10  Georg-Johann Lay  <avr@gjlay.de>
2592
2593         PR target/54536
2594         * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
2595
2596 2012-09-10  Jan Hubicka  <jh@suse.cz>
2597
2598         * lto-cgraph.c (compute_ltrans_boundary): Do not care about aliases.
2599         * symtab.c (symtab_make_decl_local): Remove user defined visibility
2600         when making symbol local.
2601
2602 2012-09-09  Mark Kettenis  <kettenis@gnu.org>
2603
2604         * config/openbsd-stdint.h (INTMAX_TYPE, UINTMAX_TYPE): Define.
2605
2606 2012-09-09  Jan Hubicka  <jh@suse.cz>
2607
2608         * passes.c (ipa_write_summaries_1): Set state;
2609         do not call compute_ltrans_boundary.
2610         (ipa_write_optimization_summaries): Likewise.
2611         (ipa_write_summaries): compute_ltrans_boundary here.
2612         * lto-streamer.h (lto_symtab_encoder_d): NODES are allocated in heap.
2613         (compute_ltrans_boundary): Update prototype.
2614
2615 2012-09-09  Ulrich Drepper  <drepper@gmail.com>
2616
2617         * config/i386/cpuid.h: Define signature_*_e[bcd]x macros for
2618         matching results of level 0 calls to __cpuid to processor
2619         manufacturers.
2620         * config/i386/driver-i386.c (vendor_signatures): Removed.
2621         (processor_signatures): Removed.
2622         (host_detect_local_cpu): Replace uses of now-removed SIG_*
2623         constants with the new signature_*_ebx constants.
2624
2625 2012-09-08  Jan Hubicka  <jh@suse.cz>
2626
2627         Replace cgraph_node_set and varpool_node_set by symtab_node_encoder
2628         in partitioning.
2629         * tree-pass.h (cgraph_node_set_def, varpool_node_set_def): Remove
2630         forward declaration.
2631         (lto_symtab_encoder_d): Forward declare.
2632         (ipa_write_optimization_summaries): Update.
2633         * lto-cgraph.c (lto_symtab_encoder_new): Do not initialize
2634         body, initializer and in_partition.
2635         (lto_symtab_encoder_delete): Update.
2636         (lto_symtab_encoder_encode): Update.
2637         (lto_symtab_encoder_lookup): Move inline.
2638         (lto_symtab_encoder_delete_node): New function.
2639         (lto_symtab_encoder_encode_body_p, lto_set_symtab_encoder_encode_body,
2640         lto_symtab_encoder_encode_initializer_p,
2641         lto_set_symtab_encoder_encode_initializer,
2642         lto_symtab_encoder_in_partition_p,
2643         lto_symtab_encoder_in_partition_p): Update.
2644         (compute_ltrans_boundary): Take encoder as an input.
2645         * passes.c (ipa_write_summaries_1): Update.
2646         (ipa_write_summaries_1): Update.
2647         (ipa_write_summaries): Update.
2648         (ipa_write_optimization_summaries): Update.
2649         * lto-streamer.c (print_lto_report): Report number of cgraph nodes.
2650         * lto-streamer.h (lto_stats_d): Replace num_output_cgraph_nodes by
2651         num_output_symtab_nodes.
2652         (lto_encoder_entry): New structure.
2653         (struct lto_symtab_encoder_d): Reorg.
2654         (lto_symtab_encoder_delete_node): Declare.
2655         (lto_symtab_encoder_lookup): Bring inline.
2656         (compute_ltrans_boundary): Update.
2657         (lto_symtab_encoder_size): Update.
2658         (lsei_node, lsei_cgraph_node, lsei_varpool_node): Update.
2659         (lto_symtab_encoder_deref): Update.
2660
2661 2012-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2662
2663         * config/pa/pa.c (hppa_rtx_costs): Update costs for large
2664         integer modes.
2665
2666 2012-09-08  Andi Kleen  <ak@linux.intel.com>
2667
2668         * gcc/lto/lto.c (do_whole_program_analysis): Fix last broken patch.
2669
2670 2012-09-08  Andi Kleen  <ak@linux.intel.com>
2671
2672         * gcc/common.opt (-fmem-report-wpa): Add
2673         * gcc/doc/invoke.texi (-fmem-report-wpa): Document.
2674         * gcc/lto/lto.c (do_whole_program_analysis): Run mem_report
2675         when mem_report_wpa is set.
2676
2677 2012-09-07  Anthony Green  <green@moxielogic.com>
2678
2679         * config/moxie/moxie.c (moxie_expand_prologue): Optimize prologue
2680         for functions with large static stack requirements.
2681         (moxie_expand_epilogue): Use $r12 instead of $r5 for pulling saved
2682         values off of the stack.
2683
2684 2012-09-07  Nick Clifton  <nickc@redhat.com>
2685
2686         * config/v850/v850.h (DBX_DEBUGGING_INFO): Define.
2687         (ASM_GENERATE_INTERNAL_LABEL): Define if not already provided.
2688         * config/v850/v850.c (compute_register_save_size): Always include
2689         the link pointer.
2690         (increment_stack): New function - emits insns to increment or
2691         decrement the stack pointer.
2692         (expand_prologue, expand_epilogue): Use it.
2693         (expand_prologue): Set the function stack size, if requested.
2694         (v850_debug_unwind_info): New function.
2695         (TARGET_DEBUG_UNWIND_INFO): Define.
2696
2697 2012-09-07  Richard Earnshaw  <rearnsha@arm.com>
2698
2699         PR tree-ssa/54295
2700         * tree-ssa-math-opts.c (widening_mult_conversion_strippable_p):
2701         Sign-extension of a zero-extended value can be simplified to
2702         just zero-extension.
2703
2704 2012-09-07  Richard Guenther  <rguenther@suse.de>
2705
2706         PR middle-end/53667
2707         * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
2708         EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
2709         arguments separately.
2710
2711 2012-09-07  Steven Bosscher  <steven@gcc.gnu.org>
2712
2713         * bitmap.c (bitmap_last_set_bit): Rewrite to return the correct bit.
2714
2715         * graphite.c (print_global_statistics): Use EDGE_COUNT instead
2716         of VEC_length.
2717         (print_graphite_scop_statistics): Likewise.
2718         * graphite-scop-detection.c (get_bb_type): Use single_succ_p.
2719         (print_graphite_scop_statistics): Use EDGE_COUNT, not VEC_length.
2720         (canonicalize_loop_closed_ssa): Use single_pred_p.
2721
2722         * alias.c (reg_seen): Make this an sbitmap.
2723         (record_set, init_alias_analysis): Update.
2724
2725         * tree-ssa-coalesce.c (ssa_conflicts_dump): Fix dumping.
2726
2727 2012-09-07  Tom de Vries  <tom@codesourcery.com>
2728
2729         PR tree-optimization/53986
2730         * tree-vrp.c (extract_range_from_multiplicative_op_1): Allow
2731         LSHIFT_EXPR.
2732         (extract_range_from_binary_expr_1): Handle LSHIFT with constant
2733         range as shift amount.
2734
2735 2012-09-07  Segher Boessenkool  <segher@kernel.crashing.org>
2736
2737         * config/rs6000/aix43.h (RS6000_CALL_GLUE): Delete.
2738         * config/rs6000/aix51.h (RS6000_CALL_GLUE): Delete.
2739         * config/rs6000/aix52.h (RS6000_CALL_GLUE): Delete.
2740         * config/rs6000/aix53.h (RS6000_CALL_GLUE): Delete.
2741         * config/rs6000/aix61.h (RS6000_CALL_GLUE): Delete.
2742         * config/rs6000/freebsd64.h (RS6000_CALL_GLUE): Delete.
2743         * config/rs6000/linux64.h (RS6000_CALL_GLUE): Delete.
2744         * config/rs6000/rs6000.c (print_operand) ['.']: Delete.
2745         * config/rs6000/rs6000.h (RS6000_CALL_GLUE): Delete.
2746         * config/rs6000/rs6000.md (tls_gd_aix<TLSmode:tls_abi_suffix>):
2747         Replace %. with nop.
2748         (tls_gd_call_aix<TLSmode:tls_abi_suffix>): Ditto.
2749         (tls_ld_aix<TLSmode:tls_abi_suffix>): Ditto.
2750         (tls_ld_call_aix<TLSmode:tls_abi_suffix>): Ditto.
2751         (call_nonlocal_aix32): Ditto.
2752         (call_nonlocal_aix64): Ditto.
2753         (call_value_nonlocal_aix32): Ditto.
2754         (call_value_nonlocal_aix64): Ditto.
2755
2756 2012-09-06  Andi Kleen  <ak@linux.intel.com>
2757
2758         * doc/invoke.texi (-ffat-lto-objects): Clarify that gcc-ar
2759         et.al. should be used.
2760
2761 2012-09-06  Andi Kleen  <ak@linux.intel.com>
2762
2763         * gcc/lto-streamer.h (res_pair): Add.
2764         (lto_file_decl_data): Replace resolutions with respairs.
2765         Add max_index.
2766         * gcc/lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
2767         Initialize respairs.
2768         (lto_file_finalize): Set up resolutions vector lazily from respairs.
2769
2770 2012-09-06  Lawrence Crowl  <crowl@google.com>
2771
2772         * double-int.h (double_int::operator &=): New.
2773         (double_int::operator ^=): New.
2774         (double_int::operator |=): New.
2775         (double_int::mul_with_sign): Modify overflow parameter to bool*.
2776         (double_int::add_with_sign): New.
2777         (double_int::ule): New.
2778         (double_int::sle): New.
2779         (binary double_int::operator *): Remove parameter name.
2780         (binary double_int::operator +): Likewise.
2781         (binary double_int::operator -): Likewise.
2782         (binary double_int::operator &): Likewise.
2783         (double_int::operator |): Likewise.
2784         (double_int::operator ^): Likewise.
2785         (double_int::and_not): Likewise.
2786         (double_int::from_shwi): Tidy formatting.
2787         (double_int::from_uhwi): Likewise.
2788         (double_int::from_uhwi): Likewise.
2789         * double-int.c (double_int::mul_with_sign): Modify overflow parameter
2790         to bool*.
2791         (double_int::add_with_sign): New.
2792         (double_int::ule): New.
2793         (double_int::sle): New.
2794         * builtins.c: Modify to use the new double_int interface.
2795         * cgraph.c: Likewise.
2796         * combine.c: Likewise.
2797         * dwarf2out.c: Likewise.
2798         * emit-rtl.c: Likewise.
2799         * expmed.c: Likewise.
2800         * expr.c: Likewise.
2801         * fixed-value.c: Likewise.
2802         * fold-const.c: Likewise.
2803         * gimple-fold.c: Likewise.
2804         * gimple-ssa-strength-reduction.c: Likewise.
2805         * gimplify-rtx.c: Likewise.
2806         * ipa-prop.c: Likewise.
2807         * loop-iv.c: Likewise.
2808         * optabs.c: Likewise.
2809         * stor-layout.c: Likewise.
2810         * tree-affine.c: Likewise.
2811         * tree-cfg.c: Likewise.
2812         * tree-dfa.c: Likewise.
2813         * tree-flow-inline.h: Likewise.
2814         * tree-object-size.c: Likewise.
2815         * tree-predcom.c: Likewise.
2816         * tree-pretty-print.c: Likewise.
2817         * tree-sra.c: Likewise.
2818         * tree-ssa-address.c: Likewise.
2819         * tree-ssa-alias.c: Likewise.
2820         * tree-ssa-ccp.c: Likewise.
2821         * tree-ssa-forwprop.c: Likewise.
2822         * tree-ssa-loop-ivopts.c: Likewise.
2823         * tree-ssa-loop-niter.c: Likewise.
2824         * tree-ssa-phiopt.c: Likewise.
2825         * tree-ssa-pre.c: Likewise.
2826         * tree-ssa-sccvn: Likewise.
2827         * tree-ssa-structalias.c: Likewise.
2828         * tree-ssa.c: Likewise.
2829         * tree-switch-conversion.c: Likewise.
2830         * tree-vect-loop-manip.c: Likewise.
2831         * tree-vrp.c: Likewise.
2832         * tree.h: Likewise.
2833         * tree.c: Likewise.
2834         * varasm.c: Likewise.
2835
2836 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
2837
2838         * configure.ac (hle prefixes): Remove .code64 directive.
2839         * configure: Regenerated.
2840
2841 2012-09-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2842
2843         * config/arm/arm.c: Use CONST_INT_P, CONST_DOUBLE_P, REG_P, MEM_P,
2844         LABEL_P, JUMP_P, CALL_P, NOTE_P, BARRIER_P consistently.
2845         * config/arm/arm.h: Use REG_P, MEM_P consistently.
2846         * config/arm/arm.md: Use CONST_INT_P, REG_P, MEM_P, CONST_DOUBLE_P
2847         consistently.
2848         * config/arm/neon.md: Use REG_P consistently.
2849         * config/arm/predicates.md: Use CONST_INT_P, REG_P, MEM_P consistently.
2850         * config/arm/thumb2.md: Use CONST_INT_P, REG_P consistently.
2851         * config/arm/vec-common.md: Use REG_P consistently.
2852
2853 2012-09-06  Richard Guenther  <rguenther@suse.de>
2854
2855         PR tree-optimization/54498
2856         * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
2857         abort when reaching an already visited region.
2858         * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
2859         (get_continuation_for_phi_1): Likewise.
2860         (walk_non_aliased_vuses): When we translated the reference,
2861         abort when we re-visit a region.
2862         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
2863
2864 2012-09-06  David Edelsohn  <dje.gcc@gmail.com>
2865
2866         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Add TLS
2867         section.
2868         * config/rs6000/rs6000.c (rs6000_debug_address_cost): Add new
2869         arguments to TARGET_ADDRESS_COST call.
2870
2871 2012-09-06  Richard Guenther  <rguenther@suse.de>
2872
2873         * tree.h (MOVE_NONTEMPORAL): Remove.
2874         * tree-pretty-print.c (dump_generic_node): Remove
2875         MOVE_NONTEMPORAL handling.
2876         * expr.c (expand_expr_real_1): Likewise.
2877
2878 2012-09-06  Richard Guenther  <rguenther@suse.de>
2879
2880         * passes.c (execute_function_todo): Call compute_may_aliases
2881         only if flag_tree_pta is set.
2882
2883 2012-09-06  Andrew Pinski  <apinski@cavium.com>
2884
2885         PR tree-opt/54494
2886         * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
2887
2888 2012-09-06  Jakub Jelinek  <jakub@redhat.com>
2889
2890         PR rtl-optimization/54455
2891         * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
2892         bb ends up with asm goto referencing bb's label.
2893
2894 2012-09-06  Chen Liqin  <liqin.gcc@gmail.com>
2895
2896         * config/score/score.c: Remove TARGET_LEGITIMIZE_ADDRESS define and
2897         score_legitimize_address function, use compiler default code instead.
2898
2899 2012-09-05  Jan Hubicka  <jh@suse.cz>
2900
2901         * ipa-inline.c (want_inline_small_function_p): Use
2902         INLINE_HINT_loop_iterations hint.
2903
2904 2012-09-05  Andrew Pinski  <apinski@cavium.com>
2905
2906         * optabs.c (emit_conditional_add): Correct comment about the arguments.
2907         Remove code which might swap op2 and op3 since they cannot be swapped.
2908         * doc/md.texi (add@var{mode}cc): Fix document about how the arguments
2909         are used.
2910
2911 2012-09-05  Oleg Endo  <olegendo@gcc.gnu.org>
2912
2913         * hooks.c (hook_int_rtx_mode_as_bool_0): New function.
2914         * hooks.h (hook_int_rtx_mode_as_bool_0): Declare it.
2915         * output.h (default_address_cost): Add machine_mode and address space
2916         arguments.
2917         * target.def (address_cost): Likewise.
2918         * rtlanal.c (address_cost): Pass mode and address space to target hook.
2919         (default_address_cost): Add unnamed machine_mode and address space
2920         arguments.
2921         * doc/tm.texi: Regenerate.
2922         * config/alpha/alpha.c (TARGET_ADDRESS_COST): Use
2923         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
2924         * config/arm/arm.c (arm_address_cost): Add machine_mode and address
2925         space arguments.
2926         * config/avr/avr.c (avr_address_cost): Likewise.
2927         * config/bfin/bfin.c (bfin_address_cost): Likewise.
2928         * config/cr16/cr16.c (cr16_address_cost): Likewise.
2929         * config/cris/cris.c (cris_address_cost): Likewise.
2930         * config/epiphany/epiphany.c (epiphany_address_cost): Likewise.
2931         * config/i386/i386.c (ix86_address_cost): Likewise.
2932         * config/ia64/ia64.c (TARGET_ADDRESS_COST): Use
2933         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
2934         * config/iq2000/iq2000.c (iq2000_address_cost): Add machine_mode and
2935         address space arguments.  Pass them on in recursive invocation.
2936         * config/lm32/lm32.c (TARGET_ADDRESS_COST): Use
2937         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
2938         * config/m32c/m32c.c (m32c_address_cost): Add machine_mode and address
2939         space arguments.
2940         * config/m32r/m32r.c (TARGET_ADDRESS_COST): Use
2941         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
2942         * config/mcore/mcore.c (TARGET_ADDRESS_COST): Likewise.
2943         * config/mep/mep.c (mep_address_cost): Add machine_mode and address
2944         space arguments.
2945         * config/microblaze/microblaze.c (microblaze_address_cost): Likewise.
2946         * config/mips/mips.c (mips_address_cost): Likewise.
2947         * config/mmix/mmix.c (TARGET_ADDRESS_COST): Use
2948         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
2949         * config/mn10300/mn10300.c (mn10300_address_cost): Add machine_mode and
2950         address space arguments.
2951         (mn10300_rtx_costs): Pass GET_MODE (x) and MEM_ADDR_SPACE (x) to
2952         mn10300_address_cost.
2953         * config/pa/pa.c (hppa_address_cost): Add machine_mode and address
2954         space arguments.
2955         * config/rs6000/rs6000.c (rs6000_debug_address_cost): Likewise.
2956         (TARGET_ADDRESS_COST): Use hook_int_rtx_mode_as_bool_0 instead of
2957         hook_int_rtx_bool_0.
2958         * config/rx/rx.c (rx_address_cost): Add machine_mode and address
2959         space arguments.
2960         * config/s390/s390.c (s390_address_cost): Likewise.
2961         * config/score/score-protos.h (score_address_cost): Likewise.
2962         * config/score/score.c (score_address_cost): Likewise.
2963         * config/sh/sh.c (sh_address_cost): Likewise.
2964         * config/sparc/sparc.c (TARGET_ADDRESS_COST): Use
2965         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
2966         * config/spu/spu.c (TARGET_ADDRESS_COST): Likewise.
2967         * config/stormy16/stormy16.c (xstormy16_address_cost): Add machine_mode
2968         and address space arguments.
2969         * config/v850/v850.c (TARGET_ADDRESS_COST): Use
2970         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
2971         * config/vax/vax.c (vax_address_cost): Add machine_mode and address
2972         space arguments.
2973         * config/xtensa/xtensa (TARGET_ADDRESS_COST): Use
2974         hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
2975
2976 2012-09-05  Diego Novillo  <dnovillo@google.com>
2977
2978         PR bootstrap/54484
2979         * vec.h (vec_t::lower_bound): Fix spelling of LESSTHAN argument.
2980
2981 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
2982
2983         PR middle-end/54486
2984         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
2985         build_int_cst with size_type_node instead of size_int.
2986
2987 2012-09-05  Uros Bizjak  <ubizjak@gmail.com>
2988
2989         * config/i386/sse.md (<sse4_1>_blendv<ssemodesuffix><avxsizesuffix>):
2990         Use register_operand instead of reg_not_xmm0_operand{,_maybe_avx}.
2991         Use nonimmediate_operand instead of
2992         nonimm_not_xmm0_operand{,_maybe_avx}.
2993         (<sse4_1_avx2>_pblendvb): Ditto.
2994         (sse4_2_pcmpestr): Ditto.
2995         (*sse4_2_pcmpestr_unaligned): Ditto.
2996         (sse4_2_pcmpistr): Ditto.
2997         (*sse4_2_pcmpistr_unaligned): Ditto.
2998         * config/i386/predicates.md (reg_not_xmm0_operand): Remove predicate.
2999         (nonimm_not_xmm0_operand): Ditto.
3000         (nonimm_not_xmm0_operand_maybe_avx): Ditto.
3001         (nonimm_not_xmm0_operand_maybe_avx): Ditto.
3002         * config/i386/i386.md (rdpmc): Do not force operand 1 into ecx.
3003
3004 2012-09-05  Eric Botcazou  <ebotcazou@adacore.com>
3005
3006         * bb-reorder.c: Clarify a few points in the head comment and fix
3007         long lines in other comments.
3008         (find_traces): Fix long line.
3009         (find_traces_1_round): Likewise.
3010         (better_edge_p): Likewise.
3011         (connect_traces): Likewise.
3012         (duplicate_computed_gotos): Likewise.
3013         (find_rarely_executed_basic_blocks_and_cr): Remove trailing spaces.
3014         (fix_up_fall_thru_edges): Fix formatting.
3015
3016 2012-09-05  Richard Guenther  <rguenther@suse.de>
3017
3018         PR tree-optimization/46590
3019         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Do not
3020         update SSA form here.
3021         (canonicalize_induction_variables): Assert we do not need to
3022         update SSA form.
3023         (tree_unroll_loops_completely): Update SSA form here.
3024         * tree-ssa-loop-manip.c (gimple_duplicate_loop_to_header_edge):
3025         Do not verify loop-closed SSA form if SSA form is not up-to-date.
3026
3027 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
3028
3029         PR target/54461
3030         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
3031         not configured --with-avrlibc=no.
3032         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if not configured
3033         --with-avrlibc=no.
3034         * config/avr/avrlibc.h: New file.
3035         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
3036         not configured --with-avrlibc=no.
3037         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
3038
3039 2012-09-04  Teresa Johnson  <tejohnson@google.com>
3040
3041         * gcov-io.c (gcov_write_summary): Write out non-zero histogram
3042         entries to function summary along with an occupancy bit vector.
3043         (gcov_read_summary): Read in the histogram entries.
3044         (gcov_histo_index): New function.
3045         (void gcov_histogram_merge): Ditto.
3046         * gcov-io.h (gcov_type_unsigned): New type.
3047         (struct gcov_bucket_type): Ditto.
3048         (struct gcov_ctr_summary): Include histogram.
3049         (GCOV_TAG_SUMMARY_LENGTH): Update to include histogram entries.
3050         (GCOV_HISTOGRAM_SIZE): New macro.
3051         (GCOV_HISTOGRAM_BITVECTOR_SIZE): Ditto.
3052         * profile.c (NUM_GCOV_WORKING_SETS): Ditto.
3053         (gcov_working_sets): New global variable.
3054         (compute_working_sets): New function.
3055         (find_working_set): Ditto.
3056         (get_exec_counts): Invoke compute_working_sets.
3057         * coverage.c (read_counts_file): Merge histograms, and
3058         fix bug with accessing summary info for non-summable counters.
3059         * basic-block.h (gcov_type_unsigned): New type.
3060         (struct gcov_working_set_info): Ditto.
3061         (find_working_set): Declare.
3062         * gcov-dump.c (tag_summary): Dump out histogram.
3063
3064 2012-09-04  Diego Novillo  <dnovillo@google.com>
3065
3066         PR bootstrap/54484
3067         * vec.h (vec_t::embedded_init): Move default argument value
3068         to function declaration.
3069
3070 2012-09-04  Eric Botcazou  <ebotcazou@adacore.com>
3071
3072         * bb-reorder.c (gate_handle_reorder_blocks): Move around.
3073         (rest_of_handle_reorder_blocks): Likewise.
3074         (pass_reorder_blocks): Likewise.
3075         (gate_handle_partition_blocks): Likewise.
3076
3077 2012-09-04  Eric Botcazou  <ebotcazou@adacore.com>
3078
3079         PR rtl-optimization/54456
3080         * sched-rgn.c (gate_handle_sched): Return 1 only if optimize > 0.
3081
3082 2012-09-04  Diego Novillo  <dnovillo@google.com>
3083
3084         PR bootstrap/54478
3085         * vec.h (vec_t::alloc): Remove explicit type specification
3086         in call to reserve.
3087         (vec_t::copy): Likewise.
3088         (vec_t::reserve): Likewise.
3089         (vec_t::reserve_exact): Likewise.
3090         (vec_t::safe_splice): Likewise.
3091         (vec_t::safe_push): Likewise.
3092         (vec_t::safe_grow): Likewise.
3093         (vec_t::safe_grow_cleared): Likewise.
3094         (vec_t::safe_insert): Likewise.
3095
3096 2012-09-04  Richard Henderson  <rth@redhat.com>
3097
3098         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
3099
3100 2012-09-04  Richard Guenther  <rguenther@suse.de>
3101
3102         * tree-ssa-pre.c (value_expressions): Make it a vector of
3103         bitmaps containing expression IDs.
3104         (add_to_value): Adjust.
3105         (sorted_array_from_bitmap_set): Likewise.
3106         (bitmap_set_replace_value): Likewise.
3107         (print_value_expressions): Likewise.
3108         (get_constant_for_value_id): Likewise.
3109         (get_representative_for): Likewise.
3110         (phi_translate_1): Likewise.
3111         (bitmap_find_leader): Likewise.
3112         (find_or_generate_expression): Likewise.
3113         (do_regular_insertion): Likewise.
3114         (init_pre): Likewise.
3115         (fini_pre): Likewise.
3116
3117 2012-09-04  Diego Novillo  <dnovillo@google.com>
3118
3119         PR bootstrap/54479
3120         * vec.h (vec_t::copy): Add cast in call to reserve_exact.
3121
3122 2012-09-04  Richard Guenther  <rguenther@suse.de>
3123
3124         * tree-ssa-pre.c (add_to_exp_gen): Adjust.
3125         (make_values_for_phi): Do not add to PHI_GEN for FRE.
3126         (compute_avail): Stop processing after adding all defs to
3127         AVAIL_OUT for FRE.
3128         (init_pre): Do not allocate not needed bitmap sets for FRE.
3129
3130 2012-09-04  Diego Novillo  <dnovillo@google.com>
3131
3132         Rewrite VEC_* functions as member functions of vec_t.
3133
3134         * vec.h: Update documentation.
3135         (ALONE_VEC_CHECK_INFO): Define.
3136         (ALONE_VEC_CHECK_DECL): Define.
3137         (ALONE_VEC_CHECK_PASS): Define.
3138         (struct vec_prefix): Rename field NUM to NUM_.
3139         Rename field ALLOC to ALLOC_.
3140         Update all users.
3141         (struct vec_t): Rename field PREFIX to PREFIX_.
3142         Rename field VEC to VEC_.
3143         Update all users.
3144         (vec_t::length): Rename from VEC_length_1.  Update all users.
3145         (vec_t::empty): Rename from VEC_empty_1.  Update all users.
3146         (vec_t::address): Rename from VEC_address_1.  Update all users.
3147         (vec_address): New.
3148         (vec_t::last): Rename from VEC_last_1.  Update all users.
3149         (vec_t::operator[]): Rename from VEC_index_1.  Update all users.
3150         (vec_t::iterate): Rename from VEC_iterate_1.  Update all users.
3151         (vec_t::embedded_size): Rename from VEC_embedded_size_1.
3152         Update all users.
3153         (vec_t::embedded_init): Rename from VEC_embedded_init_1.
3154         Update all users.
3155         (vec_t::alloc): Rename from VEC_alloc_1.  Update all users.
3156         (vec_t::free): Rename from VEC_free_1.  Update all users.
3157         (vec_t::copy): Rename from VEC_copy_1.  Update all users.
3158         (vec_t::space): Rename from VEC_space_1.  Update all users.
3159         (vec_t::reserve): Rename from VEC_reserve_1.  Update all users.
3160         (vec_t::reserve_exact): Rename from VEC_reserve_exact_1.
3161         Update all users.
3162         (vec_t::splice): Rename from VEC_splice_1.  Update all users.
3163         (vec_t::safe_splice): Rename from VEC_safe_splice_1.  Update all users.
3164         (vec_t::quick_push): Rename from VEC_quick_push_1.  Update all users.
3165         (vec_t::safe_push): Rename from VEC_safe_push_1.  Update all users.
3166         (vec_t::pop): Rename from VEC_pop_1.  Update all users.
3167         (vec_t::truncate): Rename from VEC_truncate_1.  Update all users.
3168         (vec_t::safe_grow): Rename from VEC_safe_grow_1.  Update all users.
3169         (vec_t::safe_grow_cleared): Rename from VEC_safe_grow_cleared_1.
3170         Update all users.
3171         (vec_t::replace): Rename from VEC_replace_1.  Update all users.
3172         (vec_t::quick_insert): Rename from VEC_quick_insert_1.
3173         Update all users.
3174         (vec_t::safe_insert): Rename from VEC_safe_insert_1.  Update all users.
3175         (vec_t::ordered_remove): Rename from VEC_ordered_remove_1.
3176         Update all users.
3177         (vec_t::unordered_remove): Rename from VEC_unordered_remove_1.
3178         Update all users.
3179         (vec_t::block_remove): Rename from VEC_block_remove_1. Update all users.
3180         (vec_t::lower_bound): Rename from VEC_lower_bound_1. Update all users.
3181
3182 2012-09-04  Steven Bosscher  <steven@gcc.gnu.org>
3183
3184         * gimple.h (gimple_build_switch): Remove.
3185         (gimple_build_switch_vec): Promote to the new gimple_build_switch.
3186         (gimple_switch_default_label): Assert the default case label is
3187         really a default case label.
3188         (gimple_switch_set_default_label): Likewise.
3189         * gimple.c (gimple_build_switch_nlabels): Make sure a default label
3190         is passed in, and simplify accordingly.
3191         (gimple_build_switch): Removed.
3192         (gimple_build_switch_vec): Rename to gimple_build_switch.
3193         * gimplify.c (gimplify_switch_expr): Update gimple_build_switch use.
3194         * gimple-pretty-print.c (dump_gimple_switch): Do not accept a NULL
3195         case label.
3196         * stmt.c (expand_case): Simplify using the fact that every GIMPLE
3197         switch must have a default case.
3198         * tree-cfg.c (group_case_labels_stmt): Likewise.
3199         (verify_gimple_switch): Use gimple_switch_label in verifier to get
3200         the label at index 0, and verify that it is a valid default case.
3201         * except.c (sjlj_emit_dispatch_table): Rewrite construction of the
3202         switch for dispatching.
3203         * tree-eh.c (lower_try_finally_switch): Update gimple_build_switch use.
3204         (lower_eh_dispatch): Likewise.
3205         * tree-vrp.c (execute_vrp): Use gimple_switch_label to get the case
3206         label at index 0 before turning it into a default case label.
3207         * omp-low.c (expand_omp_sections): Update gimple_build_switch use.
3208         * tree-switch-conversion.c (emit_case_bit_tests): Get the default case
3209         label using gimple_switch_default_label.
3210         (collect_switch_conv_info): Likewise.
3211         (process_switch): Likewise.
3212         * doc/gimple.texi: Update documentation of gimple_build_switch.
3213
3214 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
3215
3216         PR target/54476
3217         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with
3218         SImode.
3219
3220 2012-09-04  Bin Cheng  <bin.cheng@arm.com>
3221
3222         PR target/45070
3223         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
3224         of size less than 4 bytes by using macro ARM_NUM_INTS.
3225         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
3226
3227 2012-09-04  Richard Guenther  <rguenther@suse.de>
3228
3229         PR tree-optimization/54458
3230         * tree-ssa-threadupdate.c (thread_through_loop_header): If we
3231         turn the loop into one with multiple latches mark it so.
3232
3233 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3234
3235         PR target/54220
3236         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
3237         define to...
3238         (avr_allocate_stack_slots_for_args): ...this new static function.
3239
3240 2012-09-04  Christophe Lyon  <christophe.lyon@linaro.org>
3241
3242         * config/arm/arm.c (arm_expand_builtin): Replace gen_rtx_CONST_INT
3243         by GEN_INT.
3244         (arm_emit_coreregs_64bit_shift): Likewise.
3245
3246 2012-09-04  Christophe Lyon  <christophe.lyon@linaro.org>
3247
3248         * config/arm/arm.c (arm_evpc_neon_vext): New function.
3249         (arm_expand_vec_perm_const_1): Add call to arm_evpc_neon_vext.
3250
3251 2012-09-04  Oleg Endo  <olegendo@gcc.gnu.org>
3252
3253         PR target/51244
3254         * config/sh/sh.c (prepare_cbranch_operands): Pull out comparison
3255         canonicalization code into...
3256         * (sh_canonicalize_comparison): This new function.
3257         * config/sh/sh-protos.h: Declare it.
3258         * config/sh/sh.h: Use it in new macro CANONICALIZE_COMPARISON.
3259         * config/sh/sh.md (cbranchsi4): Remove TARGET_CBRANCHDI4 check and
3260         always invoke expand_cbranchsi4.
3261
3262 2012-09-03  Andi Kleen  <ak@linux.intel.com>
3263
3264         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Initialize
3265         addr_offset always.
3266
3267 2012-09-03  Andrew Pinski  <apinski@cavium.com>
3268
3269         PR tree-opt/53395
3270         * tree-if-conv.c (constant_or_ssa_name): New function.
3271         (fold_build_cond_expr): New function.
3272         (predicate_scalar_phi): Use fold_build_cond_expr instead of build3.
3273         (predicate_mem_writes): Likewise.
3274
3275 2012-09-03  Marc Glisse  <marc.glisse@inria.fr>
3276
3277         * fold-const.c (fold_ternary_loc): Constant-propagate after
3278         removing dead operands.
3279
3280 2012-09-03  Michael Matz  <matz@suse.de>
3281
3282         PR tree-optimization/46590
3283         * tree-cfg.c (gimple_duplicate_sese_region): Don't update
3284         SSA web here ...
3285         * tree-ssa-loop-ch.c (copy_loop_headers): ... but here.
3286
3287 2012-09-03  Sandra Loosemore  <sandra@codesourcery.com>
3288
3289         * doc/invoke.texi: Fix numerous typos and punctuation/grammatical
3290         errors throughout the file.  Re-word some awkward sentences and
3291         paragraphs.
3292
3293 2012-09-03  Richard Guenther  <rguenther@suse.de>
3294
3295         PR tree-optimization/54362
3296         * tree-ssa-structalias.c (find_func_aliases): Handle COND_EXPR.
3297
3298 2012-09-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3299
3300         * config/s390/s390.c (s390_loadrelative_operand_p): New function.
3301         (s390_check_qrst_address, print_operand_address): Use
3302         s390_loadrelative_operand_p instead of s390_symref_operand_p.
3303         (s390_check_symref_alignment): Accept pointer size alignment for
3304         GOT slots.
3305         (legitimize_pic_address): Use load relative on z10 or later.
3306
3307 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
3308
3309         PR debug/53923
3310         * valtrack.c (dead_debug_insert_temp): Drop non-reg uses
3311         from the chain.
3312
3313 2012-09-03  Joseph Myers  <joseph@codesourcery.com>
3314
3315         * common.opt (--no-sysroot-suffix): New driver option.
3316         * doc/invoke.texi (--no-sysroot-suffix): Document.
3317         * gcc.c (driver_handle_option): Handle --no-sysroot-suffix as not
3318         needing spec processing.
3319         (main): Do not process sysroot suffixes if no_sysroot_suffix.
3320
3321 2012-09-02  Oleg Endo  <olegendo@gcc.gnu.org>
3322
3323         PR target/33135
3324         * common/config/sh/sh-common.c: Update copyright years.
3325         (sh_option_init_struct): Delete.
3326         (TARGET_OPTION_INIT_STRUCT): Likewise.
3327
3328 2012-09-02  Oleg Endo  <olegendo@gcc.gnu.org>
3329
3330         PR target/54418
3331         * config/sh/sh.md (cmpgeusi_t): Remove N alternative.
3332         Check operands[1] in split condition instead of operands[0].
3333         Add comments.
3334
3335 2012-09-02  Mark Kettenis  <kettenis@openbsd.org>
3336
3337         * config.gcc (x86_64-*-openbsd*): New target.
3338         * config.host (*-*-openbsd*): New target.
3339         * config/openbsd.h (TARGET_C99_FUNCTIONS): Define.
3340         * config/i386/openbsdelf.h: Remove some superfluous defines and
3341         group things together in a more logical fashion.
3342         (DBX_REGISTER_NUMBER): Provide a
3343         definition that works on both 32-bit and 64-bit targets.
3344         (WCHAR_TYPE_SIZE): Hardcode as 32.
3345         (NO_DOLLAR_IN_LABEL): Remove undef.
3346         (TARGET_DEFAULT): Remove.
3347         (SET_ASM_OP): Remove.
3348         (DEFAULT_PCC_STRUCT_RETURN): Undef first to prevent warning.
3349         (ASM_OUTPUT_MAX_SKIP_ALIGN): Synch with x86-64.h
3350         (DWARF2_UNWIND_INFO): Remove define.
3351         (HAVE_ENABLE_EXECUTE_STACK): Define.
3352         * config/host-openbsd.c: New file.
3353         * config/t-openbsd (USER_H): Add EXTRA_HEADERS.
3354         * config/x-openbsd: New file.
3355
3356 2012-09-02  Oleg Endo  <olegendo@gcc.gnu.org>
3357
3358         * config/sh/sh.md (*extend<mode>si2_compact_mem_disp): Pass iterated
3359         mode to sh_legitimate_index_p instead of QImode.
3360
3361 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
3362
3363         PR rtl-optimization/54369
3364         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
3365         calling dbr_schedule.
3366         * config/sparc/sparc.c (sparc_reorg): Likewise.
3367
3368 2012-09-01  Jakub Jelinek  <jakub@redhat.com>
3369
3370         PR target/54436
3371         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
3372         operands[1] is CONST_INT_P, convert it to QImode before printing.
3373
3374 2012-09-01  Andrew Pinski  <apinski@cavium.com>
3375
3376         * simplify-rtx.c (simplify_unary_operation_1 <case TRUNCATE>):
3377         A truncate of a memory is just loading the low part of the memory.
3378
3379 2012-09-01  Uros Bizjak  <ubizjak@gmail.com>
3380
3381         PR target/46829
3382         PR target/46843
3383         * config/i386/i386.c (ix86_legitimate_combined_insn): New function.
3384         (TARGET_LEGITIMATE_COMBINED_INSN): New macro.
3385
3386 2012-09-01  Uros Bizjak  <ubizjak@gmail.com>
3387
3388         * target.def (legitimate_combined_insn): New target hook.
3389         * doc/tm.texi.in (TARGET_LEGITIMATE_COMBINED_INSN): New hook.
3390         * doc/tm.texi: Regenerated.
3391         * combine.c (recog_for_combine): Call targetm.legitimate_combined_insn
3392         to allow targets to reject combined insn.
3393         * hooks.h (hook_bool_rtx_true): New.
3394         * hooks.c (hook_bool_rtx_true): Ditto.
3395
3396 2012-08-31  Martin Jambor  <mjambor@suse.cz>
3397
3398         * ipa-inline-analysis.c (estimate_function_body_sizes): Allocate
3399         nonconstant_names after calculate_dominance_info and
3400         loop_optimizer_init.
3401
3402 2012-08-31  Greta Yorsh  <Greta.Yorsh@arm.com>
3403
3404         * config/arm/arm.c (arm_expand_epilogue): Remove unused variable
3405         floats_from_frame.
3406
3407 2012-08-31  Martin Jambor  <mjambor@suse.cz>
3408
3409         PR middle-end/54409
3410         * ipa-inline-analysis.c (remap_predicate): Fix the offset_map
3411         checking condition.
3412
3413 2012-08-31  Martin Jambor  <mjambor@suse.cz>
3414
3415         * ipa-inline-analysis.c (phi_result_unknown_predicate): New function.
3416         (predicate_for_phi_result): Likewise.
3417         (estimate_function_body_sizes): Use the above two functions.
3418
3419 2012-08-31  Martin Jambor  <mjambor@suse.cz>
3420
3421         PR middle-end/54394
3422         * ipa-inline-analysis.c (estimate_function_body_sizes): Compute
3423         dominance info and loops whenever optimizing.
3424
3425 2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3426             Richard Earnshaw  <richard.earnshaw@arm.com>
3427
3428         PR target/54252
3429         * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
3430         element size. Use elem_type from the formal parameter. New parameter
3431         fcode.
3432         (neon_expand_args): Adjust call to neon_dereference_pointer.
3433
3434 2012-08-29  Steven Bosscher  <steven@gcc.gnu.org>
3435
3436         * cfg.c (dump_bb_info): Print a newline if there were no edges to dump.
3437
3438 2012-08-29  Chung-Lin Tang  <cltang@codesourcery.com>
3439
3440         Revert:
3441         * config/mips/t-linux64 (MULTILIB_OSDIRNAMES): Change to use
3442         mapping style, add ../lib/mips16.
3443         (MULTILIB_OPTIONS,MULTILIB_DIRNAMES): Add mips16.
3444         (MULTILIB_EXCLUSIONS): Exclude mips16 when not -mabi=32.
3445
3446 2012-08-29  Richard Sandiford  <rdsandiford@googlemail.com>
3447
3448         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_synci
3449         if TARGET_SYNCI.
3450
3451 2012-08-29  Oleg Endo  <olegendo@gcc.gnu.org>
3452
3453         * config/sh/sh.opt (menable-tas): Rename to mtas.
3454         * doc/invoke.texi (SH options): Likewise.
3455         * config/sh/sync.md: Update comments.
3456
3457 2012-08-29  Oleg Endo  <olegendo@gcc.gnu.org>
3458
3459         * config/sh/iterators.md: New file.
3460         * config/sh/sync.md (I124, I12, i124suffix): Delete.  Replace usage
3461         with new iterators QIHISI, QIHI, bw, bwl respectively throughout
3462         the file.
3463         * config/sh/sh.md: Include new file iterators.md.
3464         (zero_extendhisi2, zero_extendqisi2): Fold into zero_extend<mode>si2.
3465         (*zero_extendhisi2_compact, *zero_extendqisi2_compact): Fold into
3466         *zero_extend<mode>si2_compact.
3467         (*zero_extendqisi2_disp_mem, zero_extendhisi2_disp_mem): Fold into
3468         *zero_extend<mode>si2_disp_mem.
3469         (extendhisi2, extendqisi2): Fold into extend<mode>si2.
3470         (*extendqisi2_compact_reg, *extendhisi2_compact_reg): Fold into
3471         *extend<mode>si2_compact_reg.
3472         (*extendqisi2_compact_mem_disp, *extendhisi2_compact_mem_disp): Fold
3473         into *extend<mode>si2_compact_mem_disp.
3474         (*extendqisi2_compact_snd, *extendhisi2_compact_snd): Fold into
3475         *extend<mode>si2_compact_snd.
3476         (*movsi_index_disp, *movhi_index_disp): Fold with iterators and rename
3477         to *movsi_index_disp_load, *movhi_index_disp_load,
3478         *mov<mode>_index_disp_store.
3479         (*movqi_reg_reg, *movhi_reg_reg): Fold into *mov<mode>_reg_reg.
3480         (*movqi_store_mem_disp04, *movhi_store_mem_disp05): Fold into
3481         *mov<mode>_store_mem_disp04.
3482         (*movqi_store_mem_disp12, *movhi_store_mem_disp13): Fold into
3483         *mov<mode>_store_mem_disp12.
3484         (*movqi_load_mem_disp, *movhi_load_mem_disp): Fold into
3485         *mov<mode>_load_mem_disp04 and *mov<mode>_load_mem_disp12.
3486
3487 2012-08-29  Martin Jambor  <mjambor@suse.cz>
3488
3489         * ipa-inline.h (estimate_edge_hints): Call do_estimate_edge_hints, not
3490         do_estimate_edge_time.
3491
3492 2012-08-29  Chung-Lin Tang  <cltang@codesourcery.com>
3493
3494         * config/mips/mips.h (CRT_CALL_STATIC_FUNCTION): Add nomips16 asm
3495         directives, remove #ifndef __mips16 guards.
3496         * config/mips/t-linux64 (MULTILIB_OSDIRNAMES): Change to use
3497         mapping style, add ../lib/mips16.
3498         (MULTILIB_OPTIONS,MULTILIB_DIRNAMES): Add mips16.
3499         (MULTILIB_EXCLUSIONS): Exclude mips16 when not -mabi=32.
3500
3501 2012-08-28  Walter Lee  <walt@tilera.com>
3502         * confg/tilegx/tilegx.md: Fix code style.
3503         (*zero_extendsidi_truncdisi): Fix typo.
3504         * config/tilegx/tilegx.c: Fix code style.
3505         (tilegx_function_profiler): Fix typo.
3506
3507 2012-08-28  Walter Lee  <walt@tilera.com>
3508
3509         * doc/invoke.texi: Document -mcmodel=small, -mcmodel=large.
3510         * config/tilegx/tilegx.h: Include config/tilegx/tilegx-opts.h.
3511         (CRT_CALL_STATIC_FUNCTION): Define.
3512         * config/tilegx/predicates.md (const_last_symbolic_operand):
3513         Handle UNSPEC_HW2_LAST_PCREL, UNSPEC_HW1_LAST_PLT_PCREL, and
3514         UNSPEC_HW2_LAST_PLT_PCREL.
3515         (const_symbolic_operand): Handle UNSPEC_HW1_PCREL,
3516         UNSPEC_HW0_PLT_PCREL, and UNSPEC_HW1_PLT_PCREL.
3517         * config/tilegx/tilegx.md (UNSPEC_MOV_LARGE_PCREL_STEP4): Define,
3518         and renumber the constants that follow.
3519         (UNSPEC_HW1_PCREL): Ditto.
3520         (UNSPEC_HW2_LAST_PCREL): Ditto.
3521         (UNSPEC_HW0_PLT_PCREL): Define.
3522         (UNSPEC_HW1_PLT_PCREL): Define.
3523         (UNSPEC_HW1_LAST_PLT_PCREL): Define.
3524         (UNSPEC_HW2_LAST_PLT_PCREL): Define.
3525         (mov_large_pcrel_step1): Define.
3526         (mov_large_pcrel_step2): Define.
3527         (mov_large_pcrel_step3): Define.
3528         (mov_large_pcrel_step4): Define.
3529         (mov_plt_pcrel_step1): Define.
3530         (mov_plt_pcrel_step2): Define.
3531         (mov_plt_pcrel_step3): Define.
3532         (mov_plt_pcrel_step1_32bit): Define.
3533         (mov_plt_pcrel_step2_32bit): Define.
3534         (call): Handle tilegx_cmodel == CM_LARGE, CM_LARGE_PIC.
3535         (call_value): Ditto.
3536         * config/tilegx/tilegx.opt: Include config/tilegx/tilegx-opts.h.
3537         (mcmodel): New option.
3538         (enum cmodel): Define.
3539         (CM_SMALL): Define.
3540         (CM_LARGE): Define.
3541         * config/tilegx/tilegx-opts.h: New file.
3542         * config/tilegx/tilegx-protos.h (tilegx_compute_pcrel_address):
3543         Declare.
3544         (tilegx_compute_pcrel_plt_address): Declare.
3545         * config/tilegx/tilegx.c (tilegx_option_override): Handle
3546         tilegx_cmodel.
3547         (tilegx_function_ok_for_sibcall): Ditto.
3548         (compute_pcrel_address): Rename to tilegx_compute_pcrel_address,
3549         and don't declare static.  Handle tilegx_cmodel.
3550         (tilegx_compute_pcrel_plt_address): Define.
3551         (tilegx_legitimize_pic_address): Rename calls to
3552         compute_pcrel_address.
3553         (tilegx_delegitimize_address): Handle UNSPEC_HW1_PCREL,
3554         UNSPEC_HW2_LAST_PCREL, UNSPEC_HW0_PLT_PCREL, UNSPEC_HW1_PLT_PCREL,
3555         UNSPEC_HW1_LAST_PLT_PCREL, UNSPEC_HW2_LAST_PLT_PCREL.
3556         (load_pic_register): Rename call to compute_pcrel_address.
3557         (tilegx_print_operand): Handle UNSPEC_HW1_PCREL,
3558         UNSPEC_HW2_LAST_PCREL, UNSPEC_HW0_PLT_PCREL, UNSPEC_HW1_PLT_PCREL,
3559         UNSPEC_HW1_LAST_PLT_PCREL, UNSPEC_HW2_LAST_PLT_PCREL.
3560
3561 2012-08-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
3562
3563         * sched-deps.c (add_dependence_list_and_free): Simplify.
3564         (flush_pending_list_and_free): Fix a hack that was fixing a hack.  Free
3565         lists when add_dependence_list_and_free doesn't free them.
3566
3567 2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
3568
3569         PR target/46254
3570         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
3571         true for TARGET_64BIT or !flag_pic.
3572         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
3573         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
3574         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
3575         Add insn constraint.  Conditionally emit xchg asm insns.
3576         (atomic_compare_and_swap<mode>): Update calls.  Check only
3577         cmpxchg8b_pic_memory_operand in memory address fixup.
3578         (DCASMODE): Remove.
3579         (CASHMODE): Rename from DCASHMODE.
3580         (doublemodesuffix): Update modes.
3581         (regprefix): New mode attribute.
3582
3583         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
3584         <UNSPECV_CMPXCHG>: New constant.
3585         (atomic_compare_and_swap<mode>_1): Rename from
3586         atomic_compare_and_swap_single<mode>.  Update calls and
3587         unspec_volatile constants.
3588         (atomic_compare_and_swap<mode>_doubleword): Rename from
3589         atomic_compare_and_swap_double<mode>.  Update calls and
3590         unspec_volatile constants.
3591
3592 2012-08-27  Walter Lee  <walt@tilera.com>
3593
3594         * doc/md.texi (TILE-Gx): Fix typo.
3595
3596 2012-08-27  Walter Lee  <walt@tilera.com>
3597
3598         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
3599         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
3600
3601 2012-08-27  Walter Lee  <walt@tilera.com>
3602
3603         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
3604         (insn_bfins): Delete.
3605
3606 2012-08-27  Walter Lee  <walt@tilera.com>
3607
3608         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
3609         atomic_exchange_bare<mode>,
3610         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
3611         * config/tilegx/tilegx-generic.md (X1_remote): New
3612         insn_reservation.
3613         * config/tilegx/tilegx.md (type): Add X1_remove.
3614         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
3615         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
3616         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
3617         X1_remote.
3618
3619 2012-08-27  Andreas Schwab  <schwab@linux-m68k.org>
3620
3621         * gdbinit.in: Fix syntax of skip command.
3622
3623 2012-08-27  Richard Sandiford  <rdsandiford@googlemail.com>
3624
3625         * config/mips/mips.c (mips_pic_call_symbol_from_set): Check for
3626         SYMBOL_REF SET_SRCs.
3627
3628 2012-08-27  Richard Sandiford  <rdsandiford@googlemail.com>
3629
3630         * config/mips/mips.c (vr4130_align_insns): Don't simulate
3631         ghost instructions.  Assert that the required instructions exist.
3632
3633 2012-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
3634
3635         * config/mips/mips.h (AVOID_CCMODE_COPIES): Update rationale for
3636         definition.
3637         * config/mips/mips.c (machine_function): Add next_fcc.
3638         (mips_output_move): Remove handling of fcc moves.
3639         (mips_allocate_fcc): New function.
3640         (mips_emit_compare, mips_expand_vcondv2sf): Use it.
3641         (mips_hard_regno_mode_ok_p): Restrict CCmode to ST registers.
3642         Remove special case for CCmode reloads.
3643         (mips_expand_builtin_compare_1): Use mips_allocate_fcc and treat
3644         the result a fixed operand.
3645         * config/mips/mips.md (move_type): Remove lui_movf.
3646         (type, length): Remove references to it.
3647         (movcc, reload_incc, reload_outcc): Delete.
3648
3649 2012-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
3650
3651         * config/mips/mips.c (mips_has_long_branch_p): New function,
3652         split out from...
3653         (mips_expand_ghost_gp_insns): ...here.  Look inside sequences.
3654
3655 2012-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
3656
3657         * config/mips/mips.c (r10k_safe_mem_expr_p): Use get_inner_reference.
3658
3659 2012-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
3660
3661         * config/mips/mips.c (mips_rtx_costs): Add costs for CINS.
3662
3663 2012-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
3664
3665         * config/mips/mips.c (mips_rtx_costs): Add missing COSTS_N_INSNS
3666         to the size cost of multiplication.
3667
3668 2012-08-26  Gerald Pfeifer  <gerald@pfeifer.com>
3669
3670         * doc/install.texi (Specific): Clarify what needs to be added to
3671         this section.
3672
3673 2012-08-26  Gerald Pfeifer  <gerald@pfeifer.com>
3674
3675         * doc/tm.texi.in (Misc): Move descriptions of NO_DOLLAR_IN_LABEL
3676         and NO_DOT_IN_LABEL from here...
3677         (Label Output): ...to here.
3678         * doc/tm.texi: Regenerate.
3679
3680 2012-08-26  Gerald Pfeifer  <gerald@pfeifer.com>
3681
3682         * doc/invoke.texi (C++ Dialect Options): Add missing space.
3683
3684 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
3685
3686         PR rtl-optimization/54088
3687         * jump.c (delete_related_insns): Robustify latest change.
3688
3689 2012-08-25  Ricardo Catalinas Jiménez  <jimenezrick@gmail.com>
3690
3691         * doc/extend.texi (__atomic Builtins): Remove space before comma.
3692
3693 2012-08-25  Richard Sandiford  <rdsandiford@googlemail.com>
3694             Andrew Pinski  <apinski@cavium.com>
3695
3696         * config/mips/mips.h (CASE_VECTOR_MODE): For not
3697         TARGET_MIPS16_SHORT_JUMP_TABLES use ptr_mode.
3698         (CASE_VECTOR_SHORTEN_MODE): Likewise.
3699
3700 2012-08-25  Uros Bizjak  <ubizjak@gmail.com>
3701
3702         * config/i386/i386.h (FP_REG_P): Remove macro.
3703         (FP_REGNO_P): Ditto.
3704         (HARD_REGNO_NREGS): Use STACK_REGNO_P instead of FP_REGNO_P.
3705         (HARD_REGNO_NREGS_HAS_PADDING): Ditto.
3706         (ANY_FP_REGNO_P): Ditto.
3707         (HARD_REGNO_RENAME_OK): Use STACK_REGNO_P.
3708         * config/i386/i386.c (output_387_ffreep): Use STACK_REGNO_P
3709         instead of FP_REGNO_P.
3710         (ix86_hard_regno_mode_ok): Ditto.
3711         * config/i386/predicates.md (fp_register_operand): Ditto.
3712         (register_and_not_fp_reg_operand): Ditto.
3713         * config/i386/sync.md (atomic_loaddi_fpu): Use STACK_REG_P instead
3714         of FP_REG_P.
3715
3716         * reg-stack.c (get_true_reg): Use STACK_REG_P instead of FP_REG_P.
3717
3718 2012-08-24  Jason Merrill  <jason@redhat.com>
3719
3720         * print-tree.c (print_node): Don't check TREE_LANG_FLAG_*
3721         on TREE_VEC or SSA_NAME.
3722
3723 2012-08-24  Jakub Jelinek  <jakub@redhat.com>
3724
3725         PR c/54363
3726         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
3727         if init is a CONSTRUCTOR.
3728
3729 2012-08-24  Steven Bosscher  <steven@gcc.gnu.org>
3730
3731         * tree-ssa-live.c (dump_var_map): Do not dump the partition
3732         map of virtual operands.
3733
3734 2012-08-24  Yuri Rumyantsev  <ysrumyan@gmail.com>
3735
3736         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
3737         case for Atom processor.
3738
3739 2012-08-24  Simon Baldwin  <simonb@google.com>
3740
3741         * dwarf2out.c (gen_producer_string): Omit command line switch if
3742         CL_NO_DWARF_RECORD flag set.
3743         * opts.h (CL_NO_DWARF_RECORD): New.
3744         * opt-functions.awk (switch_flags): Add NoDWARFRecord.
3745         * doc/options.texi: Document NoDWARFRecord option flag.
3746
3747 2012-08-24  H.J. Lu  <hongjiu.lu@intel.com>
3748
3749         PR debug/52857
3750         * dwarf2out.c (mem_loc_descriptor): Allow arg_pointer_rtx and
3751         frame_pointer_rtx for based_loc_descr.
3752
3753 2012-08-24  Martin Jambor  <mjambor@suse.cz>
3754
3755         * predict.c (maybe_hot_frequency_p): New parameter fun.  Use its decl
3756         instead of current_function_decl, use profile_status_for_function and
3757         ENTRY_BLOCK_PTR_FOR_FUNCTION with fun instead of their cfun variants.
3758         (maybe_hot_count_p): New parameter fun, use
3759         profile_status_for_function instead of its cfun_variant.
3760         (maybe_hot_bb_p): New parameter fun, checking-assert it, pass it to
3761         all callees.
3762         (maybe_hot_edge_p): Pass cfun to maybe_hot_count_p and
3763         maybe_hot_frequency_p.
3764         (probably_never_executed_bb_p): New parameter fun, use its decl
3765         instead of current_function_decl.
3766         (optimize_bb_for_size_p): Pass cfun to maybe_hot_bb_p.
3767         (rtl_profile_for_bb): Likewise.
3768         (compute_function_frequency): Pass cfun to maybe_hot_bb_p and
3769         probably_never_executed_bb_p.
3770         * tree-ssa-operands.c (ssa_operands_active): New operator fun.  Use it
3771         instead of cfun.
3772         (update_stmt_operands): Pass cfun as an argument of
3773         ssa_operands_active.
3774         (swap_tree_operands): Likewise.
3775         * gimple-iterator.c (update_modified_stmt): Likewise.
3776         (update_modified_stmts): Likewise.
3777         * tree-flow-inline.h (delink_stmt_imm_use): Likewise.
3778         * tree-ssa.c (delete_tree_ssa): Likewise.
3779         * bb-reorder.c (bb_to_key): Pass cfun to probably_never_executed_bb_p.
3780         (push_to_next_round_p): Likewise.
3781         (find_rarely_executed_basic_blocks_and_crossing_edges ): Likewise.
3782         * cfg.c: Inlude tree.h.
3783         (check_bb_profile): Use profile_status_for_function,
3784         EXIT_BLOCK_PTR_FOR_FUNCTION and ENTRY_BLOCK_PTR_FOR_FUNCTION with
3785         DECL_STRUCT_FUNCTION (current_function_decl) instead of their cfun
3786         variants.
3787         (dump_bb_info): Pass DECL_STRUCT_FUNCTION (current_function_decl) to
3788         maybe_hot_bb_p and probably_never_executed_bb_p.
3789         * gimple-pretty-print.c (gimple_dump_bb_buff): Checking-assert that
3790         DECL_STRUCT_FUNCTION (current_function_decl) is not NULL.  Pass it to
3791         dump_histograms_for_stmt.
3792         (dump_gimple_mem_ops): Pass
3793         DECL_STRUCT_FUNCTION (current_function_decl)
3794         as an argument to dump_gimple_mem_ops.
3795         * tree-cfg.c (dump_function_to_file): Rename parameter fn to fndecl.
3796         Do not change cfun.  Change and restore current_function_decl.
3797         * Makefile.in (cfg.o): Include TREE_H in dependencies.
3798
3799 2012-08-24  Georg-Johann Lay  <avr@gjlay.de>
3800
3801         PR target/54222
3802         * avr-modes.def (HA, SA, DA, TA, UTA): Adjust modes.
3803         * avr/avr-fixed.md: New file.
3804         * avr/avr.md: Include it.
3805         (cc): Add: minus.
3806         (adjust_len): Add: minus, minus64, ufract, sfract.
3807         (ALL1, ALL2, ALL4, ORDERED234): New mode iterators.
3808         (MOVMODE): Add: QQ, UQQ, HQ, UHQ, HA, UHA, SQ, USQ, SA, USA.
3809         (MPUSH): Add: HQ, UHQ, HA, UHA, SQ, USQ, SA, USA.
3810         (pushqi1, xload8_A, xload_8, movqi_insn, *reload_inqi, addqi3,
3811         subqi3, ashlqi3, *ashlqi3, ashrqi3, lshrqi3, *lshrqi3, *cmpqi,
3812         cbranchqi4, *cpse.eq): Generalize to handle all 8-bit modes in ALL1.
3813         (*movhi, reload_inhi, addhi3, *addhi3, addhi3_clobber, subhi3,
3814         ashlhi3, *ashlhi3_const, ashrhi3, *ashirhi3_const, lshrhi3,
3815         *lshrhi3_const, *cmphi, cbranchhi4): Generalize to handle all
3816         16-bit modes in ALL2.
3817         (subhi3, casesi, strlenhi): Add clobber when expanding minus:HI.
3818         (*movsi, *reload_insi, addsi3, subsi3, ashlsi3, *ashlsi3_const,
3819         ashrsi3, *ashrhi3_const, *ashrsi3_const, lshrsi3, *lshrsi3_const,
3820         *reversed_tstsi, *cmpsi, cbranchsi4): Generalize to handle all
3821         32-bit modes in ALL4.
3822         * avr-dimode.md (ALL8): New mode iterator.
3823         (adddi3, adddi3_insn, adddi3_const_insn, subdi3, subdi3_insn,
3824         subdi3_const_insn, cbranchdi4, compare_di2,
3825         compare_const_di2, ashrdi3, lshrdi3, rotldi3, ashldi3_insn,
3826         ashrdi3_insn, lshrdi3_insn, rotldi3_insn): Generalize to handle
3827         all 64-bit modes in ALL8.
3828         * config/avr/avr-protos.h (avr_to_int_mode): New prototype.
3829         (avr_out_fract, avr_out_minus, avr_out_minus64): New prototypes.
3830         * config/avr/avr.c (TARGET_FIXED_POINT_SUPPORTED_P): Define to...
3831         (avr_fixed_point_supported_p): ...this new static function.
3832         (TARGET_BUILD_BUILTIN_VA_LIST): Define to...
3833         (avr_build_builtin_va_list): ...this new static function.
3834         (avr_adjust_type_node): New static function.
3835         (avr_scalar_mode_supported_p): Allow if ALL_FIXED_POINT_MODE_P.
3836         (avr_builtin_setjmp_frame_value): Use gen_subhi3 and return new
3837         pseudo instead of gen_rtx_MINUS.
3838         (avr_print_operand, avr_operand_rtx_cost): Handle: CONST_FIXED.
3839         (notice_update_cc): Handle: CC_MINUS.
3840         (output_movqi): Generalize to handle respective fixed-point modes.
3841         (output_movhi, output_movsisf, avr_2word_insn_p): Ditto.
3842         (avr_out_compare, avr_out_plus_1): Also handle fixed-point modes.
3843         (avr_assemble_integer): Ditto.
3844         (output_reload_in_const, output_reload_insisf): Ditto.
3845         (avr_compare_pattern): Skip all modes > 4 bytes.
3846         (avr_2word_insn_p): Skip movuqq_insn, movqq_insn.
3847         (avr_out_fract, avr_out_minus, avr_out_minus64): New functions.
3848         (avr_to_int_mode): New function.
3849         (adjust_insn_length): Handle: ADJUST_LEN_SFRACT,
3850         ADJUST_LEN_UFRACT, ADJUST_LEN_MINUS, ADJUST_LEN_MINUS64.
3851         * config/avr/predicates.md (const0_operand): Allow const_fixed.
3852         (const_operand, const_or_immediate_operand): New.
3853         (nonmemory_or_const_operand): New.
3854         * config/avr/constraints.md (Ynn, Y00, Y01, Y02, Ym1, Ym2, YIJ):
3855         New constraints.
3856         * config/avr/avr.h (LONG_LONG_ACCUM_TYPE_SIZE): Define.
3857
3858 2012-08-23  Kenneth Zadeck <zadeck@naturalbridge.com>
3859
3860         * alias.c (rtx_equal_for_memref_p): Convert constant cases.
3861         * combine.c (find_single_use_1, mark_used_regs_combine): Convert
3862         to CASE_CONST_ANY.
3863         * cse.c (exp_equiv_p, canon_reg, fold_rtx, cse_process_notes_1,
3864         count_reg_usage): Convert constant cases.
3865         * cselib.c (cselib_expand_value_rtx_1): Convert to CASE_CONST_ANY.
3866         (cselib_subst_to_values): Convert constant cases.
3867         * df-scan.c (df_uses_record): Ditto.
3868         * dse.c (const_or_frame_p): Convert case statements to explicit
3869         if-then-else using mode classes.
3870         * emit-rtl.c (verify_rtx_sharing, copy_insn_1): Convert constant cases.
3871         * explow.c (convert_memory_address_addr_space): Ditto.
3872         * gcse.c (want_to_gcse_p, oprs_unchanged_p, compute_transp): Ditto.
3873         * genattrtab.c (attr_copy_rtx, clear_struct_flag): Ditto.
3874         * ira.c (equiv_init_varies_p, contains_replace_regs,
3875         memref_referenced_p, rtx_moveable_p): Ditto.
3876         * jump.c (mark_jump_label_1): Remove constant cases.
3877         (rtx_renumbered_equal_p): Convert to CASE_CONST_UNIQUE.
3878         * loop-invariant.c (check_maybe_invariant, hash_invariant_expr_1,
3879         invariant_expr_equal_p): Convert to CASE_CONST_ANY.
3880         * postreload-gcse.c (oprs_unchanged_p): Convert constant cases.
3881         * reginfo.c (reg_scan_mark_refs): Ditto.
3882         * regrename.c (scan_rtx): Ditto.
3883         * reload1.c (eliminate_regs_1, elimination_effects,
3884         scan_paradoxical_subregs): Ditto.
3885         * reload.c (operands_match_p, subst_reg_equivs):  Ditto.
3886         * resource.c (mark_referenced_resources, mark_set_resources): Ditto.
3887         * rtlanal.c (rtx_unstable_p, rtx_varies_p, count_occurrences)
3888         (reg_mentioned_p, modified_between_p, modified_in_p)
3889         (volatile_insn_p, volatile_refs_p, side_effects_p, may_trap_p_1,
3890         inequality_comparisons_p, computed_jump_p_1): Ditto.
3891         * rtl.c (copy_rtx, rtx_equal_p_cb, rtx_equal_p): Ditto.
3892         * sched-deps.c (sched_analyze_2): Ditto.
3893         * valtrack.c (cleanup_auto_inc_dec): Ditto.
3894         * rtl.h: (CASE_CONST_SCALAR_INT, CASE_CONST_UNIQUE,
3895         CASE_CONST_ANY): New macros.
3896
3897 2012-08-23  Julian Brown  <julian@codesourcery.com>
3898             Sandra Loosemore  <sandra@codesourcery.com>
3899
3900         * config/mips/mips.md
3901         (UNSPEC_CASESI_DISPATCH): New.
3902         (MIPS16_T_REGNUM): New constant.
3903         (tablejump): Don't use for MIPS16_SHORT_JUMP_TABLES.
3904         (casesi): New.
3905         (casesi_internal_mips16_<mode>): New.
3906         * config/mips/mips.c (mips16_split_long_branches): Adjust test
3907         to ignore casesi jump tables.
3908         * config/mips/mips.h (TARGET_MIPS16_SHORT_JUMP_TABLES): Update
3909         comment.
3910         (CASE_VECTOR_MODE): Use SImode unconditionally.
3911         (CASE_VECTOR_SHORTEN_MODE): Define.
3912         (ASM_OUTPUT_ADDR_DIFF_ELT): Output word-sized addr_diff_elts
3913         when necessary for MIPS16_SHORT_JUMP_TABLES.
3914
3915 2012-08-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3916
3917         * config/rs6000/rs6000.c (rs6000_density_test): Free loop body.
3918
3919 2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
3920
3921         PR driver/54335
3922         * doc/invoke.texi: Add -da and remove -dm.
3923
3924 2012-08-23  Richard Guenther  <rguenther@suse.de>
3925
3926         * tree-vect-stmts.c (vect_finish_stmt_generation): Update
3927         virtual SSA form.
3928
3929 2012-08-23  Jakub Jelinek  <jakub@redhat.com>
3930
3931         * tree.c (copy_node_stat): Clear DECL_STRUCT_FUNCTION.
3932
3933 2012-08-23  Mingjie Xing  <mingjie.xing@gmail.com>
3934
3935         * doc/gty.texi: Fix typo.
3936
3937 2012-08-23  Richard Guenther  <rguenther@suse.de>
3938
3939         * tree-ssa-loop-manip.c (add_exit_phis_var): Allow virtual operands.
3940         (find_uses_to_rename_use): Likewise.
3941         (find_uses_to_rename_bb): Likewise.
3942         (find_uses_to_rename_stmt): Walk over all operands.
3943
3944 2012-08-22  Oleg Endo  <olegendo@gcc.gnu.org>
3945
3946         PR target/54089
3947         * config/sh/predicates (p27_rshift_count_operand,
3948         not_p27_rshift_count_operand): New predicates.
3949         * config/sh/sh.c (sh_ashlsi_clobbers_t_reg_p,
3950         sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p): Handle special
3951         case when shift amount is 31.
3952         (gen_ashift): Emit gen_shlr instead of gen_lshrsi3_m.
3953         * config/sh/sh.md (ashlsi3_d): Set type to 'dyn_shift' instead
3954         of 'arith'.
3955         (ashlsi_c): Rename to shll.  Adapt calls to gen_ashlsi_c throughout
3956         the file.
3957         (lshrsi3): Remove clobber from expander.  Use shift_count_operand
3958         instead of nonmemory_operand predicate for second operand.  Add
3959         handling of case lshrsi3_n_clobbers_t.
3960         (lshrsi3_k): Use p27_rshift_count_operand for second operand.
3961         (lshrsi3_d): Make insn_and_split.  Split dynamic shift to constant
3962         shift sequences if beneficial.
3963         (lshrsi3_n): Make insn_and_split.  Split constant shift sequence to
3964         dynamic shift if beneficial.
3965         (lshrsi3_n_clobbers_t): New insn_and_split.
3966         (lshrsi3_m): Delete.
3967
3968 2012-08-22  Steven Bosscher  <steven@gcc.gnu.org>
3969
3970         * tracer.c (mark_bb_seen): Use SBITMAP_SIZE.
3971
3972         * alias.c (MAX_ALIAS_LOOP_PASSES): Update comment with rationale,
3973         or rather a lack thereof.
3974         (init_alias_analysis): Propagate the latest information across
3975         the CFG in topological order to propagate as far as possible in
3976         each iteration.  Ignore debug insns.
3977
3978 2012-08-22  H.J. Lu  <hongjiu.lu@intel.com>
3979
3980         * doc/invoke.texi: Document -mlong-double-64/-mlong-double-80.
3981
3982         * config/i386/i386.c (flag_opts): Add -mlong-double-64.
3983         (TARGET_HAS_BIONIC): Default long double to 64-bit for Bionic.
3984
3985         * config/i386/i386.h (LONG_DOUBLE_TYPE_SIZE): Use 64 if
3986         TARGET_LONG_DOUBLE_64 is true.
3987         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New macro.
3988         (WIDEST_HARDWARE_FP_SIZE): Defined to 80.
3989
3990         * config/i386/i386.opt (mlong-double-80): New option.
3991         (mlong-double-64): Likewise.
3992
3993         * config/i386/i386-c.c (ix86_target_macros): Define
3994         __LONG_DOUBLE_64__ for TARGET_LONG_DOUBLE_64.
3995
3996 2012-08-22  H.J. Lu  <hongjiu.lu@intel.com>
3997
3998         PR target/54347
3999         * config/i386/i386.c (ix86_split_to_parts): Replace
4000         REAL_VALUE_TO_TARGET_LONG_DOUBLE with real_to_target.
4001
4002 2012-08-22  Richard Guenther  <rguenther@suse.de>
4003
4004         * tree-vectorizer.c (vectorize_loops): Do not call
4005         mark_virtual_operands_for_renaming.
4006         * tree-vect-slp.c (vect_slp_transform_bb): Likewise.
4007         Do not update SSA form here.
4008
4009 2012-08-22  Dodji Seketeli  <dodji@redhat.com>
4010
4011         * tree.h (TREE_NOTHROW): Use the base.nothrow_flag.
4012
4013 2012-08-22  Richard Guenther  <rguenther@suse.de>
4014
4015         PR tree-optimization/46590
4016         * tree-ssa-alias.h (get_continuation_for_phi): Add alias query
4017         counter output argument.
4018         (walk_non_aliased_vuses): Add alias query counter argument
4019         to the walker callback.
4020         * tree-ssa-alias.c (maybe_skip_until): Add alias query counter
4021         output argument and count alias queries.
4022         (get_continuation_for_phi_1): Likewise.
4023         (get_continuation_for_phi): Likewise.
4024         (walk_non_aliased_vuses): Add alias query counter argument
4025         to the walker callback and allow it to abort the walk by
4026         returning -1.
4027         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
4028         * tree-ssa-sccvn.c (vn_reference_lookup_2): Add alias query
4029         counter parmeter, abort walk if that is bigger than
4030         --param sccvn-max-alias-queries-per-access.
4031         * params.def (sccvn-max-alias-queries-per-access): New param.
4032         * doc/invoke.texi (sccvn-max-alias-queries-per-access): Document.
4033
4034 2012-08-22  Richard Guenther  <rguenther@suse.de>
4035
4036         * tree-ssa-loop-ch.c (copy_loop_headers): Remove redundant checking.
4037         * tree-into-ssa.c (initialize_flags_in_bb): Use gcc_checking_assert
4038         instead of gcc_assert.
4039         (mark_block_for_update): Likewise.
4040         (add_new_name_mapping): Likewise.
4041         (mark_def_sites): Likewise.
4042         (insert_phi_nodes_for): Likewise.
4043         (rewrite_debug_stmt_uses): Likewise.
4044         (rewrite_stmt): Likewise.
4045         (maybe_register_def): Likewise.
4046         (rewrite_update_phi_arguments): Likewise.
4047         (rewrite_update_enter_block): Likewise.
4048         (mark_def_interesting): Likewise.
4049         (prepare_def_site_for): Likewise.
4050         (insert_updated_phi_nodes_for): Likewise.
4051
4052 2012-08-22  Jakub Jelinek  <jakub@redhat.com>
4053
4054         * tree-vect-loop.c (vect_transform_loop): Initialize
4055         check_profitability to false.
4056
4057         * tree-predcom.c (try_combine_chains): Free the worklist vector
4058         at the end.
4059
4060 2012-08-22  Marc Glisse  <marc.glisse@inria.fr>
4061
4062         PR tree-optimization/54317
4063         * tree-vrp.c (extract_range_from_binary_expr_1): Test for
4064         double_int overflow.
4065         Remove dead tests.
4066
4067 2012-08-22  Jakub Jelinek  <jakub@redhat.com>
4068
4069         * tree-vrp.c (find_assert_locations): Skip also edges
4070         from the entry block.
4071
4072         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): Call
4073         free_stmt_vec_info on orig_cond after gsi_removing it.
4074         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Always
4075         free body_cost_vec vector.
4076         (vect_analyze_data_refs): If gather is unsuccessful,
4077         free_data_ref (dr).
4078         * tree-inline.c (tree_function_versioning): Free
4079         old_transforms_to_apply vector.
4080
4081 2012-08-22  Steven Bosscher  <steven@gcc.gnu.org>
4082
4083         * tree-ssa-coalesce.c (struct ssa_conflicts_d): Make contents
4084         of this a VEC and add a bitmap obstack.
4085         (ssa_conflicts_new): Allocate the obstack and grow the VEC cleared
4086         to the right size.
4087         (ssa_conflicts_delete): Free the VEC and release the obstack.
4088         (ssa_conflicts_test_p, ssa_conflicts_test_p, ssa_conflicts_add_one,
4089         ssa_conflicts_merge, ssa_conflicts_dump): Update for above changes.
4090         (truct live_track_d): Add another bitmap obstack here.
4091         (new_live_track): Initialize it and use it for all bitmaps.
4092         (delete_live_track): Don't free the bitmaps one at a time, just
4093         release the obstack.
4094         (create_outofssa_var_map): Fix to conform to GCC code style rules.
4095
4096 2012-08-21  Nathan Froyd  <froydnj@gcc.gnu.org>
4097
4098         * config/m32c/constraints.md: New file.
4099         * config/m32c/t-m32c (MD_FILES): Add constraints.
4100         * config/m32c/m32c-protos.h (m32c_const_ok_for_constraint_p): Delete.
4101         (m32c_extra_address_constraint, m32c_extra_memory_constraint): Delete.
4102         (m32c_reg_class_from_constraint): Delete.
4103         (m32c_extra_constraint_p, m32c_extra_constraint_p2): Delete.
4104         (m32c_matches_constraint_p): Declare.
4105         * config/m32c/m32c.h (CONSTRAINT_LEN): Delete.
4106         (REG_CLASS_FROM_CONSTRAINT): Delete.
4107         (CONST_OK_FOR_CONSTRAINT_P): Delete.
4108         (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Delete.
4109         (EXTRA_CONSTRAINT_STR): Delete.
4110         (EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT): Delete.
4111         * config/m32c/m32c.c: Include tm-constrs.h
4112         (m32c_reg_class_from_constraint): Delete.
4113         (m32c_const_ok_for_constraint_p): Delete.
4114         (m32c_extra_constraint_p2): Rename to...
4115         (m32c_matches_constraint_p): ...this.  Make it return bool.  Tweak
4116         formatting.
4117         (m32c_extra_constraint_p): Delete.
4118         (m32c_extra_address_constraint, m32c_extra_memory_constraint): Delete.
4119         (m32c_split_move): Use satisfies_constraint_Ss.
4120         * config/m32c/predicates.md (memsym_operand): Use
4121         satisfies_constraint_Si.
4122         (memimmed_operand): Use satisfies_constraint_Sp.
4123         (m32c_psi_scale, m32c_1bit8_operand): Use satisfies_constraint_Ilb.
4124         (m32c_1bit16_operand): Use satisfies_constraint_Ilw.
4125         (m32c_1mask8_operand): Use satisfies_constraint_ImB.
4126         (m32c_1mask16_operand): Use satisfies_constraint_Imw.
4127
4128 2012-08-21  Nathan Froyd  <froydnj@gcc.gnu.org>
4129
4130         * config/mep/mep.h (REG_CLASS_FROM_CONSTRAINT): Delete.
4131         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4132         (CONSTRAINT_LEN, EXTRA_CONSTRAINT): Delete.
4133         * config/mep/mep.c (mep_reg_class_from_constraint): Delete.
4134         (mep_const_ok_for_letter_p, mep_extra_constraint): Delete.
4135         * config/mep/mep-protos.h (mep_reg_class_from_constraint): Delete.
4136         (mep_const_ok_for_letter_p, mep_extra_constraint): Delete.
4137
4138 2012-08-21  Oleg Endo  <olegendo@gcc.gnu.org>
4139
4140         * config/sh/sh.md (cmpeqdi_t, cmpgtdi_t, cmpgedi_t, cmpgeudi_t,
4141         cmpgtudi_t, *movsicc_t_false, *movsicc_t_true, divsi_inv20, negsi_cond,
4142         truncdihi2, ic_invalidate_line_i, ic_invalidate_line_sh4a,
4143         ic_invalidate_line_media, movdf_i4, calli_pcrel, call_valuei,
4144         call_valuei_pcrel, sibcalli_pcrel, sibcall_compact,
4145         sibcall_valuei_pcrel, sibcall_value_compact, casesi_worker_1,
4146         casesi_worker_2, bandreg_m2a, borreg_m2a, bxorreg_m2a, sp_switch_1,
4147         sp_switch_2, stack_protect_set_si, stack_protect_set_si_media,
4148         stack_protect_set_di_media, stack_protect_test_si,
4149         stack_protect_test_si_media, stack_protect_test_di_media): Convert to
4150         multi-line asm output strings.
4151         (divsi_inv_qitable, divsi_inv_hitable): Use single-alternative asm
4152         output.
4153         (*andsi3_bclr, rotldi3_mextr, rotrdi3_mextr, calli,
4154         call_valuei_tbr_rel, movml_push_banked, movml_pop_banked, bclr_m2a,
4155         bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a, bldsign_m2a,
4156         bld_reg, *bld_regqi, band_m2a, bor_m2a, bxor_m2a, mextr_rl, *mextr_lr):
4157         Use tab char instead of '\\t'.
4158         (iordi3): Use braced string.
4159         (*movsi_pop): Use tab chars instead of spaces.
4160
4161 2012-08-21  Oleg Endo  <olegendo@gcc.gnu.org>
4162
4163         PR target/39423
4164         * config/sh/sh.md (*movhi_index_disp): Add support for SH2A
4165         movu.w insn.
4166
4167 2012-08-21  H.J. Lu  <hongjiu.lu@intel.com>
4168
4169         PR middle-end/54332
4170         * df-scan.c (df_bb_verify): Restore df_free_collection_rec call
4171         inside the insn traversal loop.
4172
4173         * vec.h (vec_reserve): Remove the stack allocation check.
4174
4175 2012-08-21  Marc Glisse  <marc.glisse@inria.fr>
4176
4177         * fold-const.c (fold_ternary_loc): Detect identity permutations.
4178         Canonicalize permutations more.
4179         * tree-ssa-forwprop.c (is_combined_permutation_identity): New function.
4180         (simplify_permutation): Likewise.
4181         (ssa_forward_propagate_and_combine): Call it.
4182
4183 2012-08-21  Richard Guenther  <rguenther@suse.de>
4184
4185         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
4186         the affine expansion cache.
4187         * tree-ssa-dom.c (free_expr_hash_elt_contents): New function,
4188         split out from ...
4189         (free_expr_hash_elt): ... this one.
4190         (record_cond): Properly free a not needed hashtable element.
4191         (lookup_avail_expr): Likewise.
4192         * tree-into-ssa.c (init_ssa_renamer): Specify a free function
4193         for the var_infos hashtable.
4194         (update_ssa): Likewise.
4195
4196 2012-08-21  Richard Guenther  <rguenther@suse.de>
4197
4198         * alloc-pool.c (pool_alloc): Fix valgrind annotation.
4199         * tree.h: Fix typo and complete flags documentation.
4200
4201 2012-08-21  Richard Guenther  <rguenther@suse.de>
4202
4203         * tree.h (struct tree_base): Add union to make it possible to
4204         re-use the upper 4 bytes for tree codes that do not need as
4205         many flags as others.  Move visited and default_def_flag to
4206         common bits section in exchange for saturating_flag and
4207         unsigned_flag.  Add SSA name version and tree vec length
4208         fields here.
4209         (struct tree_vec): Remove length field here.
4210         (struct tree_ssa_name): Remove version field here.
4211
4212 2012-08-20  Jan Hubicka  <jh@suse.cz>
4213
4214         PR fortran/48636
4215         * ipa-inline.c (want_inline_small_function_p): Take loop_iterations
4216         hint.
4217         (edge_badness): Likewise.
4218         * ipa-inline.h (inline_hints_vals): Add INLINE_HINT_loop_iterations.
4219         (inline_summary): Add loop_iterations.
4220         * ipa-inline-analysis.c: Include tree-scalar-evolution.h.
4221         (dump_inline_hints): Dump loop_iterations.
4222         (reset_inline_summary): Free loop_iterations.
4223         (inline_node_duplication_hook): Update loop_iterations.
4224         (dump_inline_summary): Dump loop_iterations.
4225         (will_be_nonconstant_expr_predicate): New function.
4226         (estimate_function_body_sizes): Analyze loops.
4227         (estimate_node_size_and_time): Set hint loop_iterations.
4228         (inline_merge_summary): Merge loop iterations.
4229         (inline_read_section): Stream in loop_iterations.
4230         (inline_write_summary): Stream out loop_iterations.
4231
4232 2012-08-20  Oleg Endo  <olegendo@gcc.gnu.org>
4233
4234         PR target/54089
4235         * config/sh/sh.md (rotcr, *rotcr, shar, shlr): New insns and splits.
4236         (ashrdi3_k, lshrdi3_k): Rewrite as insn_and_split.
4237         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p): New function.
4238         * config/sh/sh-protos.h (sh_lshrsi_clobbers_t_reg_p): Declare it.
4239
4240 2012-08-20  Oleg Endo  <olegendo@gcc.gnu.org>
4241
4242         PR target/51244
4243         * config/sh/sh.md (*cset_zero): New insns.
4244
4245 2012-08-20  Mark Wielaard  <mjw@redhat.com>
4246
4247         * dwarf2out.h (enum dw_val_class): Add dw_val_class_high_pc.
4248         * dwarf2out.c (dw_val_equal_p): Handle dw_val_class_high_pc.
4249         (add_AT_low_high_pc): New function.
4250         (AT_lbl): Handle dw_val_class_high_pc.
4251         (print_die): Likewise.
4252         (attr_checksum): Likewise.
4253         (attr_checksum_ordered): Likewise.
4254         (same_dw_val_p): Likewise.
4255         (size_of_die): Likewise.
4256         (value_format): Likewise.
4257         (output_die): Likewise.
4258         (gen_subprogram_die): Use add_AT_low_high_pc.
4259         (add_high_low_attributes): Likewise.
4260         (dwarf2out_finish): Likewise.
4261
4262 2012-08-20  Jakub Jelinek  <jakub@redhat.com>
4263
4264         PR rtl-optimization/54294
4265         * fwprop.c (all_uses_available_at): Ignore debug insns in between
4266         def_insn and target_insn when checking whether the shortcut is
4267         possible.
4268
4269 2012-08-20  Eric Botcazou  <ebotcazou@adacore.com>
4270
4271         * config/sparc/sparc.h (MAX_FIXED_MODE_SIZE): Define.
4272
4273 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
4274
4275         PR middle-end/53992
4276         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
4277
4278 2012-08-20  Richard Earnshaw  <rearnsha@arm.com>
4279
4280         PR tree-ssa/54295
4281         * tree-ssa-math-opts.c (is_widening_mult_rhs_p): Delete rhs_code
4282         declaration and setter.
4283
4284 2012-08-20  Richard Earnshaw  <rearnsha@arm.com>
4285
4286         PR tree-ssa/54295
4287         * tree-ssa-math-opts.c (widening_mult_conversion_strippable_p):
4288         New function.
4289         (is_widening_mult_rhs_p): Use it.
4290
4291 2012-08-20  Joseph Myers  <joseph@codesourcery.com>
4292
4293         * configure.ac (ffs): Check for declaration.
4294         * configure, config.in: Regenerate.
4295
4296 2012-08-20  Richard Guenther  <rguenther@suse.de>
4297
4298         * tree-flow.h (register_new_name_mapping): Remove.
4299         * tree-into-ssa.c (register_new_name_mapping): Likewise.
4300         (add_new_name_mapping): Do not push/pop timevar here.
4301         (create_new_def_for): Instead do it here.  Initialize
4302         update-ssa here, handle a NULL def.
4303         * tree-vrp.c (build_assert_expr_for): Use create_new_def_for.
4304
4305 2012-08-20  Richard Guenther  <rguenther@suse.de>
4306
4307         PR tree-optimization/54327
4308         * gimple-fold.c (get_maxval_strlen): Do not walk use-def chains
4309         if the use is registered for SSA update.
4310
4311 2012-08-20  Jakub Jelinek  <jakub@redhat.com>
4312
4313         PR tree-optimization/54321
4314         * tree-ssa-forwprop.c (simplify_builtin_call): Pass 0 instead of 1
4315         as second argument to tree_low_cst call on val2.
4316
4317 2012-08-20  Richard Guenther  <rguenther@suse.de>
4318
4319         * gimple.h (gimple_statement_base): Annotate with GTY chain_next.
4320
4321 2012-08-20  Richard Guenther  <rguenther@suse.de>
4322
4323         PR bootstrap/54326
4324         * genoutput.c (note_constraint): Properly use CONST_CAST.
4325
4326 2012-08-19  Nick Clifton  <nickc@redhat.com>
4327
4328         PR target/54306
4329         * config/arm/mmintrin.h: Remove spurious #endif.
4330
4331 2012-08-18  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4332
4333         * config/avr/avr-log.c (avr_log_vadump): Properly use
4334         int-promoted enum values.
4335         * config/avr/avr.h (struct mcu_type_s): Change `arch' from
4336         int to enum avr_arch.
4337         * config/avr/gen-avr-mmcu-texi.c (main): Use correct initializer.
4338
4339 2012-08-18  Jan Hubicka  <jh@suse.cz>
4340
4341         PR lto/45375
4342         * ipa-inline.c (want_inline_small_function_p): Bypass
4343         inline limits for hinted functions.
4344         (edge_badness): Dump hints; decrease badness for hinted funcitons.
4345         * ipa-inline.h (enum inline_hints_vals): New enum.
4346         (inline_hints): New type.
4347         (edge_growth_cache_entry): Add hints.
4348         (dump_inline_summary): Update.
4349         (dump_inline_hints): Declare.
4350         (do_estimate_edge_hints): Declare.
4351         (estimate_edge_hints): New inline function.
4352         (reset_edge_growth_cache): Update.
4353         * predict.c (cgraph_maybe_hot_edge_p): Do not ice on indirect edges.
4354         * ipa-inline-analysis.c (dump_inline_hints): New function.
4355         (estimate_edge_devirt_benefit): Return true when function should be
4356         hinted.
4357         (estimate_calls_size_and_time): New hints argument; set it when
4358         devritualization happens.
4359         (estimate_node_size_and_time): New hints argument.
4360         (do_estimate_edge_time): Cache hints.
4361         (do_estimate_edge_growth): Update.
4362         (do_estimate_edge_hints): New function
4363
4364 2012-08-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4365
4366         PR middle-end/53823
4367         * expmed.c (expand_mult): Skip synth_mult for negative coefficients
4368         if the mode is larger than a wide int and it is too costly to multiply
4369         by a positive multiplier and negate the result.
4370
4371 2012-08-18  Steven Bosscher  <steven@gcc.gnu.org>
4372
4373         * sparseset.c (sparseset_alloc): Use non-clearing allocation.  Tell
4374         valgrind not to worry about reading from unitialized memory.
4375
4376 2012-08-18  Steven Bosscher  <steven@gcc.gnu.org>
4377
4378         PR middle-end/54313
4379         * dse.c (dse_step7): Don't free kill_on_calls bitmap, it is
4380         freed when its obstack is release.
4381
4382 2012-08-18  Andrew Pinski  <pinskia@gmail.com>
4383
4384         * alloc-pool.c (pool_alloc): Add valgrind markers.
4385         (pool_free): Likewise.
4386
4387 2012-08-17  Walter Lee  <walt@tilera.com>
4388
4389         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
4390         (FEEDBACK_ENTER): Define.
4391         (FEEDBACK_REENTER): Define.
4392         (FEEDBACK_ENTRY): Define.
4393         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
4394         (FEEDBACK_ENTER): Define.
4395         (FEEDBACK_REENTER): Define.
4396         (FEEDBACK_ENTRY): Define.
4397
4398 2012-08-17  H.J. Lu  <hongjiu.lu@intel.com>
4399             Gary Funck <gary@intrepid.com>
4400
4401         PR target/20020
4402         * config/i386/i386.c (ix86_member_type_forces_blk): New function.
4403         (TARGET_MEMBER_TYPE_FORCES_BLK): New macro.
4404
4405         * config/i386/i386.h (MAX_FIXED_MODE_SIZE): New macro.
4406
4407 2012-08-17  Marc Glisse  <marc.glisse@inria.fr>
4408
4409         * simplify-rtx.c (simplify_binary_operation_1): Optimize shuffle of
4410         a concatenation.
4411
4412 2012-08-17  H.J. Lu  <hongjiu.lu@intel.com>
4413
4414         * stor-layout.c (compute_record_mode): Replace
4415         MEMBER_TYPE_FORCES_BLK with targetm.member_type_forces_blk.
4416         (layout_type): Likewise.
4417
4418         * system.h: Poison MEMBER_TYPE_FORCES_BLK.
4419
4420         * target.def (member_type_forces_blk): New target hook.
4421
4422         * targhooks.c (default_member_type_forces_blk): New.
4423         * targhooks.h (default_member_type_forces_blk): Likewise.
4424
4425         * doc/tm.texi.in (MEMBER_TYPE_FORCES_BLK): Removed.
4426         (TARGET_MEMBER_TYPE_FORCES_BLK): New hook.
4427         * doc/tm.texi: Regenerated.
4428
4429         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Removed.
4430
4431         * config/ia64/ia64.c (ia64_member_type_forces_blk): New function.
4432         (TARGET_MEMBER_TYPE_FORCES_BLK): New macro.
4433
4434         * config/rs6000/rs6000.c (TARGET_MEMBER_TYPE_FORCES_BLK): New macro.
4435         (rs6000_member_type_forces_blk): New function.
4436
4437         * config/rs6000/rs6000.h (MEMBER_TYPE_FORCES_BLK): Removed.
4438
4439         * config/xtensa/xtensa.c (xtensa_member_type_forces_blk): New function.
4440         (TARGET_MEMBER_TYPE_FORCES_BLK): New macro.
4441
4442         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Removed.
4443
4444 2012-08-17  Diego Novillo  <dnovillo@google.com>
4445
4446         PR bootstrap/54281
4447         * configure.ac: Add libintl.h to AC_CHECK_HEADERS list.
4448         * config.in: Regenerate.
4449         * configure: Regenerate.
4450         * intl.h: Always include libintl.h if HAVE_LIBINTL_H is set.
4451
4452 2012-08-17  Richard Guenther  <rguenther@suse.de>
4453
4454         * bitmap.h (struct bitmap_element_def): GTY annotate next/prev.
4455         (struct bitmap_head_def): GTY skip current field.
4456
4457 2012-08-17  Steven Bosscher  <steven@gcc.gnu.org>
4458
4459         PR middle-end/54146
4460         * tree-ssa-loop-im.c (lim_bitmap_obstack): New bitmap_obstack.
4461         (memref_free): Don't free the bitmaps individually here.
4462         (mem_ref_alloc): Allocate the bitmaps on the new bitmap obstack.
4463         (analyze_memory_references): Likewise.
4464         (tree_ssa_lim_initialize): Initialize the new bitmap obstack.
4465         (tree_ssa_lim_finalize): Release it.
4466         * dse.c (dse_bitmap_obstack): New bitmap obstack.
4467         (dse_obstack): New obstack.
4468         (get_group_info): Allocate the bitmaps on the new bitmap obstack.
4469         (dse_step0): Allocate the scratch bitmap on reg_obstack.  Initialize
4470         the new bitmap obstack and normal obstack.  Use XNEWVEC for bb_table.
4471         (record_store): Allocate regs_set on reg_obstack.
4472         (dse_step1): Allocate regs_live on reg_obstack.
4473         (dse_step2_init): Allocate offset_map_n and offset_map_p on the new
4474         obstack.
4475         (dse_step3_scan): Allocate bitmaps on the new bitmap obstack.
4476         (dse_step3): Likewise.
4477         (dse_confluence_0): Likewise.
4478         (dse_confluence_n): Likewise.
4479         (dse_transfer_function): Likewise.
4480         (dse_step7): Destroy the new obstacks, and everything allocated on
4481         them, in one big sweep.
4482         (rest_of_handle_dse): Update.
4483         * cfgexpand.c (stack_var_bitmap_obstack): New bitmap obstack.
4484         (add_stack_var_conflict): Allocate bitmaps on it.
4485         (add_scope_conflicts_1): Likewise.
4486         (add_scope_conflicts): Likewise.
4487         (update_alias_info_with_stack_vars): Likewise.
4488         (init_vars_expansion): Move TREE_USED fiddling expand_used_vars.
4489         Initialize the new bitmap obstack.
4490         (fini_vars_expansion): Release it.
4491         (estimated_stack_frame_size): Use init_vars_expansion to set things up
4492         and always clean up at the end.
4493         (expand_used_vars): Do the TREE_USED trickery here.  Always call
4494         fini_vars_expansion.
4495         * tree-ssa-live.h (struct tree_live_info_d): Make livein and liveout
4496         arrays of bitmap_head to avoid one indirection per bitmap access.
4497         (live_on_entry, live_on_exit, live_var_map, live_merge_and_clear,
4498         make_live_on_entry): Update.
4499         * tree-ssa-live.c (partition_view_bitmap): Don't double-free 'used'.
4500         (liveness_bitmap_obstack): New bitmap obstack.
4501         (remove_unused_locals): Use it to allocate all bitmaps on.  Update
4502         for livein/liveout changes in tree-ssa-live.h.
4503         (delete_tree_live_info): Release the bitmap obstack.
4504         (loe_visit_block, live_worklist, set_var_live_on_entry,
4505         calculate_live_on_exit, dump_live_info): Update.
4506         (calculate_live_ranges): Initialize the bitmap.
4507         * tree-ssa-ter.c (ter_bitmap_obstack): New bitmap obstack.
4508         (new_temp_expr_table): Allocate bitmap on it.
4509         (make_dependent_on_partition, add_to_partition_kill_list,
4510         add_dependence, process_replaceable): Likewise.
4511         (find_replaceable_exprs): Initialize and release the new obstack here.
4512         * df-problems.c (df_lr_add_problem): Allocate persistent bitmap
4513         for out_of_date_transfer_functions on df_bitmap_obstack.
4514         (df_live_add_problem): Likewise.
4515         (df_chain_add_problem): Likewise.
4516         (df_word_lr_add_problem): Likewise.
4517
4518 2012-08-17  Nick Clifton  <nickc@redhat.com>
4519
4520         * config/fr30/fr30.md (cbranchsi4): Remove mode from comparison.
4521         (branch_true): Likewise.
4522         (branch_false): Likewise.
4523
4524         * config/mcore/mcore.md (cbranchsi4): Remove mode from comparison.
4525
4526         * config/iq2000/iq2000.md (cbranchsi4): Remove mode from
4527         comparison and label.
4528         (branch_zero): Likewise.
4529         (branch_zero_inverted): Likewise.
4530         (branch_equality): Likewise.
4531         (branch_equality_inverted): Likewise.
4532         (extend-and-compare): Disable until reload issues can be resolved.
4533         * config/iq2000/iq2000.c (gen_conditional_branch): Use VOIDmode
4534         for comparison.
4535         (iq2000_function_arg_advance): Remove CONST_CAST2.
4536
4537         * config/mep/t-mep (mep-pragma.o): Use $(COMPILER) to compile
4538         mep-pragma.c.
4539
4540 2012-08-17  Georg-Johann Lay  <avr@gjlay.de>
4541
4542         * config/avr/t-avr (gen-avr-mmcu-texi): Use $(CC) to compile
4543         gen-avr-mmcu-texi.c.
4544
4545 2012-08-17  Richard Earnshaw  <rearnsha@arm.com>
4546
4547         * arm.md (arm_addsi3): New variant for Thumb2 16-bit ADD instruction.
4548         * arm.c (thumb2_reorg): Don't convert an ADD instruction that's
4549         already 16 bits.
4550
4551 2012-08-17  Richard Guenther  <rguenther@suse.de>
4552
4553         * hash-table.h (class hash_table): Use a descriptor template
4554         argument instead of decomposed element type and support functions.
4555         (struct pointer_hash): New generic typed pointer-hash.
4556         (struct typed_free_remove, struct typed_noop_remove): Generic
4557         hash_table support pieces.
4558         * coverage.c (struct counts_entry): Add hash_table support members.
4559         * tree-ssa-ccp.c (gimple_htab): Use pointer_hash.
4560         * tree-ssa-coalesce.c (struct ssa_name_var_hash): New generic
4561         SSA name by SSA_NAME_VAR hash.
4562         (coalesce_ssa_name): Use it.
4563         * tree-ssa-pre.c (struct pre_expr_d): Add hash_table support.
4564         (expression_to_id): Adjust.
4565         (struct expr_pred_trans_d): Add hash_table support.
4566         (phi_translate_table): Adjust.
4567         (phi_trans_lookup): Likewise.
4568         (phi_trans_add): Likewise.
4569         (do_regular_insertion): Likewise.
4570         * tree-ssa-tail-merge.c (struct same_succ_def): Add hash_table support.
4571         (same_succ_htab): Adjust.
4572         (find_same_succ_bb): Likewise.
4573         (find_same_succ): Likewise.
4574         (update_worklist): Likewise.
4575         * tree-ssa-threadupdate.c (struct redirection_data): Add hash_table
4576         support.
4577         (redirection_data): Adjust.
4578
4579 2012-08-17  Richard Guenther  <rguenther@suse.de>
4580
4581         * params.def (integer-share-limit): Decrease from 256 to 251,
4582         add rationale.
4583
4584 2012-08-17  Richard Guenther  <rguenther@suse.de>
4585
4586         * tree-sra.c (modify_function): Free redirect_callers vector.
4587         * ipa-split.c (split_function): Free args_to_pass vector.
4588         * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Free
4589         body_cost_vec properly.
4590         (vect_enhance_data_refs_alignment): Likewise.
4591         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
4592         vec_oprnds.
4593         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
4594         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
4595         (vect_analyze_slp_instance): Free everything.
4596         (destroy_bb_vec_info): Free the SLP instances.
4597
4598 2012-08-17  Iain Sandoe  <iain@codesourcery.com>
4599
4600         * config/rs6000/rs6000.c (macho_branch_islands): Adjust for changes
4601         to vec.h.
4602
4603 2012-08-17  Jakub Jelinek  <jakub@redhat.com>
4604
4605         * doc/invoke.texi (-Wsizeof-pointer-memaccess): Document.
4606
4607 2012-08-16  Sandra Loosemore  <sandra@codesourcery.com>
4608
4609         * config/mips/mips-dsp.md (mips_dpau_h_qbl, mips_dpau_h_qbr)
4610         (mips_dpsu_h_qbl, mips_dpsu_h_qbr, mips_dpaq_s_w_ph)
4611         (mips_dpsq_s_w_ph, mips_mulsaq_s_w_ph, mips_dpaq_sa_l_w)
4612         (mips_dpsq_sa_l_w, mips_maq_s_w_phl, mips_maq_s_w_phr)
4613         (mips_maq_sa_w_phl, mips_maq_sa_w_phr): Add accum_in attribute.
4614
4615 2012-08-16  Oleg Endo  <olegendo@gcc.gnu.org>
4616
4617         PR target/54236
4618         * config/sh/sh.md (addc): Add commutative modifier.
4619         (*addc, *minus_plus_one, *subc, *negc): New insns and splits.
4620
4621 2012-08-16  Oleg Endo  <olegendo@gcc.gnu.org>
4622
4623         PR target/39423
4624         * config/sh/sh.md (*movsi_index_disp, *movhi_index_disp): Handle
4625         potential T_REG clobber.  Convert zero extending split to
4626         insn_and_split.
4627
4628 2012-08-16  Oleg Endo  <olegendo@gcc.gnu.org>
4629
4630         PR target/54089
4631         * config/sh/sh.md (ashlsi3_d): Do not split if it would result
4632         in a T_REG clobber.  Correct comment.
4633         (ashlsi3_n): Correct comment.
4634
4635 2012-08-16  Hans-Peter Nilsson  <hp@axis.com>
4636
4637         PR middle-end/54261
4638         * optabs.c (expand_atomic_fetch_op): Save and restore code when
4639         retrying after failed attempt.
4640
4641 2012-08-16  Yuri Rumyantsev  <ysrumyan@gmail.com>
4642
4643         * config/i386/i386-protos.h (ix86_split_lea_for_addr) : Add
4644         additional argument.
4645         * config/i386/i386.md (ix86_split_lea_for_addr) : Add
4646         additional argument curr_insn.
4647         * config/i386/i386.c (ix86_split_lea_for_addr): Load base or index
4648         register first, depending on their defintion distances.
4649         (ix86_lea_outperforms): Prefer LEA only if split cost exceeds
4650         AGU stall.
4651         (find_nearest_reg-def): New function. Find register with
4652         nearest definition.
4653
4654 2012-08-16  Walter Lee  <walt@tilera.com>
4655
4656         * config.gcc (tilegx-*-linux*): Add feedback.h.
4657         (tilepro-*-linux*): Likewise.
4658         * config/tilegx/feedback.h: New file.
4659         * config/tilepro/feedback.h: New file.
4660
4661 2012-08-16  Diego Novillo  <dnovillo@google.com>
4662
4663         Revert
4664
4665         PR bootstrap/54281
4666         * double-int.h: Move including of gmp.h ...
4667         * system.h: ... here.
4668         * realmpfr.h: Do not include gmp.h.
4669         * tree-ssa-loop-niter.c: Do not include gmp.h.
4670
4671 2012-08-16  Segher Boessenkool  <segher@kernel.crashing.org>
4672
4673         * config/rs6000/darwin.h (TARGET_IEEE_QUAD): Fix comment.
4674
4675 2012-08-16  Richard Guenther  <rguenther@suse.de>
4676
4677         PR middle-end/54146
4678         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
4679         exit vector.
4680         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
4681         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
4682         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
4683         * tree-into-ssa.c (get_ssa_name_ann): Allocate info only when needed.
4684         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
4685         (tree_ssa_lim_finalize): Free all mem_refs.
4686         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
4687         scc when bailing out.
4688         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
4689         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
4690         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
4691         FOR_EACH_LOOP_BREAK.
4692
4693 2012-08-16  Diego Novillo  <dnovillo@google.com>
4694
4695         PR bootstrap/54281
4696         * double-int.h: Move including of gmp.h ...
4697         * system.h: ... here.
4698         * realmpfr.h: Do not include gmp.h.
4699         * tree-ssa-loop-niter.c: Do not include gmp.h.
4700
4701 2012-08-16  Steven Bosscher  <steven@gcc.gnu.org>
4702
4703         PR middle-end/54146
4704         * tree-flow.h (compute_global_livein): Remove prototype.
4705         * tree-into-ssa.c (compute_global_livein): Remove function.
4706         * tree-ssa-loop-manip.c: Include gimple-pretty-print.h.
4707         (find_sibling_superloop): New function.
4708         (compute_live_loop_exits): New function.
4709         (add_exit_phis_edge): Rename to add_exit_phi.  Do not allow
4710         inserting a PHI in a block that is not a loop exit for VAR.
4711         Add dumping if TDF_DETAILS.
4712         (add_exit_phis_var): Rewrite.
4713         (add_exit_phis): Update.
4714         (get_loops_exits): Rewrite to return an array of per-loop exits
4715         rather than one bitmap with all loop exits.
4716         (find_uses_to_rename_bb): Ignore virtual PHI nodes.
4717         (rewrite_into_loop_closed_ssa): Update.
4718
4719 2012-08-16  Nick Clifton  <nickc@redhat.com>
4720
4721         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Cast _ascii_bytes
4722         before passing it to ASM_OUTPUT_LIMITED_STRING.
4723
4724         * config/bfin/bfin.c (hwloop_optimize): Fix use of VEC_last macro.
4725
4726         * config/avr/t-avr: Replace occurrences of $(CC) with $(COMPILER).
4727         * config/avr/avr.c (avr_legitimize_reload_address): Add casts
4728         for reload_type enums.
4729         (DEF_BUILTIN): Cast the icode to enum insn_code.
4730
4731 2012-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
4732
4733         * config/rs6000/aix43.h (ASM_CPU_SPEC): Use %(asm_default)
4734         instead of -mppc.
4735         * config/rs6000/aix51.h (ASM_CPU_SPEC): Ditto.
4736
4737 2012-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
4738
4739         * config/rs6000/aix43.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
4740         (RS6000_CALL_GLUE): Adjust for single assembler syntax.
4741         * config/rs6000/aix51.h (TARGET_DEFAULT, RS6000_CALL_GLUE): Ditto.
4742         * config/rs6000/aix52.h (TARGET_DEFAULT, RS6000_CALL_GLUE): Ditto.
4743         * config/rs6000/aix53.h (TARGET_DEFAULT, RS6000_CALL_GLUE): Ditto.
4744         * config/rs6000/aix61.h (TARGET_DEFAULT, RS6000_CALL_GLUE): Ditto.
4745         * config/rs6000/darwin.h (TARGET_DEFAULT): Ditto.
4746         * config/rs6000/darwin.md (whole file): Adjust to single
4747         assembler syntax.
4748         * config/rs6000/darwin64.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
4749         * config/rs6000/default64.h (TARGET_DEFAULT): Ditto.
4750         * config/rs6000/dfp.md: (whole file): Adjust to single
4751         assembler syntax.
4752         * config/rs6000/eabi.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
4753         * config/rs6000/eabialtivec.h (TARGET_DEFAULT): Ditto.
4754         * config/rs6000/eabispe.h (TARGET_DEFAULT): Ditto.
4755         * config/rs6000/linuxaltivec.h (TARGET_DEFAULT): Ditto.
4756         * config/rs6000/linuxspe.h (TARGET_DEFAULT): Ditto.
4757         * config/rs6000/rs6000-cpus.def (whole file): Delete POWERPC_BASE_MASK.
4758         * config/rs6000/rs6000-tables.opt: Regenerate.
4759         * config/rs6000/rs6000.c (POWERPC_BASE_MASK): Delete.
4760         (num_insns_constant_wide): Adjust comments.
4761         (whole file): Adjust to single assembler syntax.
4762         (output_cbranch): Adjust comment.
4763         * config/rs6000/rs6000.h (ASSEMBLER_DIALECT): Delete.
4764         * config/rs6000/rs6000.md: (whole file): Adjust to single
4765         assembler syntax.
4766         * config/rs6000/rs6000.opt (mnew-mnemonics): Delete.
4767         (mold-mnemonics): Delete.
4768         * config/rs6000/spe.md: (whole file): Adjust to single
4769         assembler syntax.
4770         * config/rs6000/sync.md: (whole file): Adjust to single
4771         assembler syntax.
4772         * config/rs6000/sysv4.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
4773         (ASM_OUTPUT_REG_PUSH): Adjust.
4774         (ASM_OUTPUT_REG_POP): Adjust.
4775         * config/rs6000/sysv4le.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
4776         * config/rs6000/vsx.md: (whole file): Adjust to single
4777         assembler syntax.
4778         * config/rs6000/vxworks.h (TARGET_DEFAULT): Delete MASK_NEW_MNEMONICS.
4779         * doc/invoke.texi: Adjust documentation to reflect the
4780         removal of -mnew-mnemonics and -mold-mnemonics.
4781
4782 2012-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
4783
4784         * common/config/rs6000/rs6000-common.c (rs6000_handle_option):
4785         Delete handling for -mno-powerpc and -mpowerpc.
4786         * config/rs6000/aix43.h (ASM_CPU_SPEC): Similar.
4787         (ASM_DEFAULT_SPEC): Use -mppc instead of -mcom.
4788         * config/rs6000/aix51.h (ASM_CPU_SPEC, ASM_DEFAULT_SPEC): Ditto.
4789         * config/rs6000/aix52.h (TARGET_DEFAULT): Delete MASK_POWERPC.
4790         * config/rs6000/aix53.h (TARGET_DEFAULT): Ditto.
4791         * config/rs6000/aix61.h (TARGET_DEFAULT): Ditto.
4792         * config/rs6000/darwin.h (TARGET_DEFAULT): Ditto.
4793         * config/rs6000/darwin64.h (TARGET_DEFAULT): Ditto.
4794         * config/rs6000/default64.h (TARGET_DEFAULT): Ditto.
4795         * config/rs6000/driver-rs6000.c (asm_names): Delete handling
4796         for -mcpu=common and -mpowerpc.
4797         * config/rs6000/eabi.h (TARGET_DEFAULT): Delete MASK_POWERPC.
4798         * config/rs6000/eabialtivec.h (TARGET_DEFAULT): Ditto.
4799         * config/rs6000/eabispe.h (TARGET_DEFAULT): Ditto.
4800         * config/rs6000/linuxaltivec.h (TARGET_DEFAULT): Ditto.
4801         * config/rs6000/linuxspe.h (TARGET_DEFAULT): Ditto.
4802         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING):
4803         Use RS6000_BTM_ALWAYS instead of RS6000_BTM_POWERPC.
4804         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
4805         (rs6000_cpu_cpp_builtins): Adjust.
4806         * config/rs6000/rs6000.c (POWERPC_BASE_MASK): Delete MASK_POWERPC.
4807         (rs6000_builtin_mask_calculate): Adjust.
4808         (rs6000_emit_move): Delete code for ! TARGET_POWERPC.
4809         (rs6000_init_libfuncs): Ditto.
4810         (rs6000_output_function_prologue): Ditto.
4811         (rs6000_opt_masks): Delete MASK_POWERPC.
4812         (rs6000_builtin_mask_names): Delete RS6000_BTM_POWERPC.
4813         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Delete handling for -mpowerpc.
4814         (RS6000_BTM_POWERPC): Delete.
4815         (RS6000_BTM_COMMON): Delete RS6000_BTM_POWERPC.
4816         * config/rs6000/rs6000.md (extendqisi2 patterns): Adjust for
4817         TARGET_POWERPC always on.
4818         (extendqihi2 patterns): Similar.
4819         (various unnamed subtract patterns): Similar.
4820         (bswaphi2 patterns): Similar.
4821         (divmodsi4): Similar.
4822         (udiv<GPR:mode>3): Similar.
4823         (div<GPR:mode>3 patterns): Similar.
4824         (udivmodsi4): Similar.
4825         (mulhcall): Delete.
4826         (mullcall): Delete.
4827         (divss_call): Delete.
4828         (divus_call): Delete.
4829         (quoss_call): Delete.
4830         (quous_call): Delete.
4831         (insvsi patterns): Adjust.
4832         (addsf3 patterns): Adjust.
4833         (subsf3 patterns): Adjust.
4834         (mulsf3 patterns): Adjust.
4835         (divsf3 patterns): Adjust.
4836         (*fmasf4_fpr): Adjust.
4837         (*fmssf4_fpr): Adjust.
4838         (*nfmasf4_fpr): Adjust.
4839         (*nfmssf4_fpr): Adjust.
4840         (*floatunssidf2_internal): Adjust.
4841         (fix_trunc<SFDF:mode>si2_internal): Adjust.
4842         (fctiwz_<SFDF:mode>): Adjust.
4843         (mulsidi3 patterns): Adjust.
4844         (smulsi3_highpart patterns): Adjust.
4845         (umulsi3_highpart patterns): Adjust.
4846         (fix_trunctfsi2 patterns): Adjust.
4847         (prefetch): Adjust.
4848         * config/rs6000/rs6000.opt (mpowerpc): Replace by stub option.
4849         (mno-powerpc): Delete.
4850         * config/rs6000/sync.md (load_locked<ATOMIC:mode>): Adjust.
4851         (store_conditional<ATOMIC:mode>): Adjust.
4852         (atomic_compare_and_swap<ATOMIC:mode>): Adjust.
4853         (atomic_exchange<ATOMIC:mode>): Adjust.
4854         (atomic_<fetchop_name><ATOMIC:mode>): Adjust.
4855         (atomic_nand<ATOMIC:mode>): Adjust.
4856         (atomic_fetch_<fetchop_name><ATOMIC:mode>): Adjust.
4857         (atomic_fetch_nand<ATOMIC:mode>): Adjust.
4858         (atomic_<fetchop_name>_fetch<ATOMIC:mode>): Adjust.
4859         (atomic_nand_fetch<ATOMIC:mode>): Adjust.
4860         * config/rs6000/sysv4.h (TARGET_DEFAULT): Delete MASK_POWERPC.
4861         * config/rs6000/sysv4le.h (TARGET_DEFAULT): Ditto.
4862         * config/rs6000/vxworks.h (TARGET_DEFAULT): Ditto.
4863         * doc/invoke.texi: Adjust documentation.
4864
4865 2012-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
4866
4867         * config/rs6000/rs6000.h (RS6000_BTM_ALWAYS): New.
4868
4869 2012-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
4870
4871         * config/rs6000/aix52.h (ASM_CPU_SPEC): Fix typo.
4872         * config/rs6000/aix53.h (ASM_CPU_SPEC): Ditto.
4873         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
4874         * config/rs6000/driver-rs6000.c (asm_names): Ditto.
4875
4876 2012-08-15  Segher Boessenkool  <segher@kernel.crashing.org>
4877
4878         PR target/54142
4879         * config/rs6000/driver-rs6000.c (asm_names): Use %(asm_default)
4880         instead of -mcom.
4881         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Ditto.
4882
4883 2012-08-15  Sandra Loosemore  <sandra@codesourcery.com>
4884             Maxim Kuvyrkov  <maxim@codesourcery.com>
4885             Julian Brown  <julian@codesourcery.com>
4886             MIPS Technologies, Inc.
4887
4888         * config/mips/mips.md (dspmac, dspmacsat, accext, accmod, dspalu)
4889         (dspalusat): Add insn types.
4890         * config/mips/mips-dsp.md (add<DSPV:mode>3)
4891         (mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>)
4892         (sub<DSPV:mode>3, mips_sub<DSP:dspfmt1>_s_<DSP:dspfmt2>, mips_addsc)
4893         (mips_addwc, mips_modsub, mips_raddu_w_qb, mips_absq_s_<DSPQ:dspfmt2>)
4894         (mips_precrq_qb_ph, mips_precrq_ph_w, mips_precrq_rs_ph_w)
4895         (mips_precrqu_s_qb_ph, mips_preceq_w_phl, mips_preceq_w_phr)
4896         (mips_precequ_ph_qbl, mips_precequ_ph_qbr, mips_precequ_ph_qbla)
4897         (mips_precequ_ph_qbra, mips_preceu_ph_qbl, mips_preceu_ph_qbr)
4898         (mips_preceu_ph_qbla, mips_preceu_ph_qbra, mips_shll_<DSPV:dspfmt2>)
4899         (mips_shll_s_<DSPQ:dspfmt2>, mips_shll_s_<DSPQ:dspfmt2>, mips_shrl_qb)
4900         (mips_shra_ph, mips_shra_r_<DSPQ:dspfmt2>, mips_bitrev, mips_insv)
4901         (mips_repl_qb, mips_repl_ph)
4902         (mips_cmp<DSPV:dspfmt1_1>_eq_<DSPV:dspfmt2>)
4903         (mips_cmp<DSPV:dspfmt1_1>_lt_<DSPV:dspfmt2>)
4904         (mips_cmp<DSPV:dspfmt1_1>_le_<DSPV:dspfmt2>, mips_cmpgu_eq_qb)
4905         (mips_cmpgu_lt_qb, mips_cmpgu_le_qb, mips_pick_<DSPV:dspfmt2>)
4906         (mips_packrl_ph, mips_wrdsp, mips_rddsp): Change type to dspalu.
4907         (mips_dpau_h_qbl, mips_dpau_h_qbr, mips_dpsu_h_qbl, mips_dpsu_h_qbr)
4908         (mips_dpaq_s_w_ph, mips_dpsq_s_w_ph, mips_mulsaq_s_w_ph)
4909         (mips_maq_s_w_phl, mips_maq_s_w_phr, mips_maq_sa_w_phr): Set type to
4910         dspmac.
4911         (mips_dpaq_sa_l_w, mips_dpsq_sa_l_w, mips_maq_sa_w_phl): Set type to
4912         dspmacsat.
4913         (mips_extr_w, mips_extr_r_w, mips_extr_rs_w, mips_extp, mips_extpdp):
4914         Set type to accext.
4915         (mips_shilo, mips_mthlip): Set type to accmod.
4916         * config/mips/mips-dspr2.md (mips_absq_s_qb, mips_addu_s_ph)
4917         (mips_adduh_r_qb): Set type to dspalusat.
4918         (mips_addu_ph, mips_adduh_qb, mips_append, mips_balign)
4919         (mips_cmpgdu_eq_qb, mips_cmpgdu_lt_qb, mips_cmpgdu_le_qb)
4920         (mips_precr_qb_ph, mips_precr_sra_ph_w, mips_precr_sra_r_ph_w)
4921         (mips_prepend, mips_shra_qb, mips_shra_r_qb, mips_shrl_ph)
4922         (mips_subu_ph, mips_subuh_qb, mips_subuh_r_qb, mips_addqh_ph)
4923         (mips_addqh_r_ph, mips_addqh_w, mips_addqh_r_w, mips_subqh_ph)
4924         (mips_subqh_r_ph, mips_subqh_w, mips_subqh_r_w): Set type to dspalu.
4925         (mips_dpa_w_ph, mips_dps_w_ph, mips_mulsa_w_ph, mips_dpax_w_ph)
4926         (mips_dpsx_w_ph, mips_dpaqx_s_w_ph, mips_dpsqx_s_w_ph): Set type to
4927         dspmac.  Set accum_in attribute.
4928         (mips_subu_s_ph): Set type to dspalusat.
4929         (mips_dpaqx_sa_w_ph, mips_dpsqx_sa_w_ph): Set type to dspmacsat.
4930         Set accum_in attribute.
4931         * config/mips/mips-protos.h (mips_dspalu_bypass_p): Add prototype.
4932         * config/mips/mips.c (dspalu_bypass_table): New.
4933         (mips_dspalu_bypass_p): New.
4934         * config/mips/24k.md (r24k_dsp_alu, r24k_dsp_mac, r24k_dsp_mac_sat)
4935         (r24k_dsp_acc_ext, r24k_dsp_acc_mod): New insn reservations.
4936         (r24k_int_mult, r24k_int_mthilo, r24k_dsp_mac, r24k_dsp_mac_sat)
4937         (r24k_dsp_acc_ext, r24k_dsp_acc_mod, r24k_dsp_alu): New bypasses.
4938         * config/mips/74k.md (r74k_dsp_alu, r74k_dsp_alu_sat, r74k_dsp_mac)
4939         (r74k_dsp_mac_sat, r74k_dsp_acc_ext, r74k_dsp_acc_mod): New insn
4940         reservations.
4941         (r74k_dsp_mac, r74k_dsp_mac_sat, r74k_int_mult, r74k_int_mul3)
4942         (r74k_dsp_mac, r74k_dsp_mac_sat): New bypasses.
4943
4944 2012-08-15  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4945
4946         * config/spu/spu.c: Include "cfgloop.h".
4947         (spu_machine_dependent_reorg): Call loop_optimizer_init and
4948         loop_optimizer_finalize.  Use bb_loop_depth instead of loop_depth.
4949         Directly compare loop_father values where appropriate.
4950         * config/spu/t-spu-elf (spu.o): Update dependencies.
4951
4952 2012-08-15  H.J. Lu  <hongjiu.lu@intel.com>
4953
4954         * Makefile.in (tree-cfg.o): Also depend on $(TARGET_H).
4955
4956 2012-08-15  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4957
4958         PR tree-optimization/54245
4959         * gimple-ssa-strength-reduction.c (legal_cast_p_1): New function.
4960         (legal_cast_p): Split out logic to legal_cast_p_1.
4961         (analyze_increments): Avoid introducing multiplies in smaller types.
4962
4963 2012-08-15  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4964
4965         PR tree-optimization/54240
4966         * tree-ssa-phiopt.c (hoist_adjacent_loads): Correct test for
4967         existence of conditional move with given mode.
4968
4969 2012-08-15  Richard Guenther  <rguenther@suse.de>
4970
4971         * double-int.h (double_int::from_unsigned): Rename to ...
4972         (double_int::from_uhwi): ... this.
4973         (double_int::from_signed): Rename to ...
4974         (double_int::from_shwi): ... this.
4975         (double_int::to_signed): Rename to ...
4976         (double_int::to_shwi): ... this.
4977         (double_int::to_unsigned): Rename to ...
4978         (double_int::to_uhwi): ... this.
4979         (double_int::fits_unsigned): Rename to ...
4980         (double_int::fits_uhwi): ... this.
4981         (double_int::fits_signed): Rename to ...
4982         (double_int::fits_shwi): ... this.
4983         (double_int::fits): Rename to ...
4984         (double_int::fits_hwi): ... this.
4985         * double-int.c: Likewise.
4986
4987 2012-08-15  Steven Bosscher  <steven@gcc.gnu.org>
4988
4989         * timevar.def (TV_VARPOOL, TV_WHOPR_WPA_LTRANS_EXEC, TV_LIFE,
4990         TV_LIFE_UPDATE, TV_DF_UREC, TV_INLINE_HEURISTICS,
4991         TV_TREE_LINEAR_TRANSFORM, TV_TREE_LOOP_INIT, TV_TREE_LOOP_FINI,
4992         TV_VPT, TV_LOCAL_ALLOC, TV_GLOBAL_ALLOC, TV_SEQABSTR): Remove.
4993         (TV_IPA_INLINING, TV_FLATTEN_INLINING, TV_EARLY_INLINING,
4994         TV_INLINE_PARAMETERS, TV_LOOP_INIT, TV_LOOP_FINI): New.
4995         * timevar.c (timevar_print): Make printing width of timevar names
4996         more flexible, but enforce maximum length.
4997         * ipa-inline.c (pass_early_inline): Use TV_EARLY_INLINING.
4998         (pass_ipa_inline): Use TV_IPA_INLINING.
4999         * ipa-inline-analysis.c (pass_inline_parameters): Use
5000         TV_INLINE_HEURISTICS.
5001         * tree-ssa-loop.c (pass_tree_loop_init): No timevar for wrapper pass.
5002         (pass_tree_loop_done): Likewise.
5003         * final.c (pass_shorten_branches): Use TV_SHORTEN_BRANCH.
5004         * loop-init.c (loop_optimizer_init): Push/pop TV_LOOP_INIT.
5005         (loop_optimizer_finalize): Push/pop TV_LOOP_FINI.
5006
5007 2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
5008
5009         * config/arm/neon.md (neon_vaba<mode> VDQIW): Canonicalize operands.
5010         (neon_vabal<mode> VDQIW): Likewise.
5011
5012 2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
5013
5014         PR target/54212
5015         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
5016         mark as predicable. Adjust asm template.
5017         (vec_setv2di_internal): Likewise.
5018         (vec_extract<mode> VD, VQ): Likewise.
5019         (vec_extractv2di): Likewise.
5020         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
5021         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
5022         (neon_vdup_n<mode> VX, V32): Likewise.
5023         (neon_vdup_nv2di): Likewise.
5024
5025 2012-08-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
5026
5027         * config/mips/mips.md (define_attr accum_in): New instruction
5028         attribute.  Set it for imadd and fmadd patterns.
5029         * config/mips/mips.c (mips_linked_madd_p): Use accum_in to extract
5030         accumulator register.
5031
5032 2012-08-14  Diego Novillo  <dnovillo@google.com>
5033
5034         Merge from cxx-conversion branch.  Configury.
5035
5036         * configure.ac (CXX_FOR_BUILD): Define and substitute.
5037         (BUILD_CXXFLAGS): Define.
5038         Remove all handlers of ENABLE_BUILD_WITH_CXX.
5039         Force all build to be with C++.
5040         * Makefile.in (BUILD_CXXFLAGS): Use it.
5041         Remove all handlers of ENABLE_BUILD_WITH_CXX.
5042         * configure: Regenerate.
5043         * config.in: Regenerate.
5044         * doc/install.texi: Remove documentation for --enable-build-with-cxx
5045         and --enable-build-poststage1-with-cxx.
5046
5047 2012-08-14  Diego Novillo  <dnovillo@google.com>
5048
5049         Merge from cxx-conversion branch.  Re-implement VEC in C++.
5050
5051         * vec.c (vec_heap_free): Convert into a template function.
5052         (vec_gc_o_reserve_1): Make extern.
5053         (vec_gc_p_reserve): Remove.
5054         (vec_gc_p_reserve_exact): Remove.
5055         (vec_gc_o_reserve): Remove.
5056         (vec_gc_o_reserve_exact): Remove.
5057         (vec_heap_o_reserve_1): Make extern.
5058         (vec_heap_p_reserve): Remove.
5059         (vec_heap_p_reserve_exact): Remove.
5060         (vec_heap_o_reserve): Remove.
5061         (vec_heap_o_reserve_exact): Remove.
5062         (vec_stack_p_reserve): Remove.
5063         (vec_stack_p_reserve_exact): Remove.
5064         * vec.h (VEC_CHECK_INFO, VEC_CHECK_DECL, VEC_CHECK_PASS, VEC_ASSERT,
5065         VEC_ASSERT_FAIL, vec_assert_fail): Move earlier in the file.
5066         (VEC): Define to vec_t<T>.
5067         (vec_allocation_t): Define.
5068         (struct vec_prefix): Move earlier in the file.
5069         (vec_t<T>): New template.
5070         (DEF_VEC_I, DEF_VECL_ALLOC_I, DEF_VEC_P, DEF_VEC_ALLOC_P,
5071         DEF_VEC_O, DEF_VEC_ALLOC_P, DEF_VEC_O, DEF_VEC_ALLOC_O,
5072         DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_O_STACK,
5073         DEF_VEC_ALLOC_I_STACK): Expand to 'struct vec_swallow_trailing_semi'.
5074         (DEF_VEC_A): Provide template instantiations for
5075         GC/PCH markers that do not traverse the vector.
5076         (vec_stack_p_reserve): Remove.
5077         (vec_stack_p_reserve_exact): Remove.
5078         (vec_stack_p_reserve_exact_1): Remove.
5079         (vec_stack_o_reserve): Remove.
5080         (vec_stack_o_reserve_exact): Remove.
5081         (vec_stack_free): Re-write as a template function.
5082         (vec_reserve): New template function.
5083         (vec_reserve_exact): New template function.
5084         (vec_heap_free): New template function if GATHER_STATISTICS is
5085         defined.  Otherwise, macro that expands to free().
5086         (VEC_length_1): New template function.
5087         (VEC_length): Call it.
5088         (VEC_empty_1): New template function.
5089         (VEC_empty): Call it.
5090         (VEC_address_1): New template function.
5091         (VEC_address): Call it.
5092         (VEC_last_1): New template function.
5093         (VEC_last): Call it.  Change return type to T&.
5094         Change all users that used VEC_Os.
5095         (VEC_index_1): New template function.
5096         (VEC_index): Call it.  Return a T& instead of a T*.
5097         Update all callers that were using VEC_O before.
5098         (VEC_iterate_1): New template function.
5099         (VEC_iterate): Call it.
5100         (VEC_embedded_size_1): New template function.
5101         (VEC_embedded_size): Call it.
5102         (VEC_embedded_init_1): New template function.
5103         (VEC_embedded_init): Call it.
5104         (VEC_alloc_1): New template function.
5105         (VEC_alloc): Call it.  If A is 'stack', call XALLOCAVAR to
5106         do the allocation.
5107         (VEC_free_1): New template function.
5108         (VEC_free): Call it.
5109         (VEC_copy_1): New template function.
5110         (VEC_copy): Call it.
5111         (VEC_space_1): New template function
5112         (VEC_space): Call it.
5113         (VEC_reserve_1): New template function.
5114         (VEC_reserve): Call it.
5115         (VEC_reserve_exact_1): New template function.
5116         (VEC_reserve_exact): Call it.
5117         (VEC_splice_1): New template function.
5118         (VEC_splice): Call it.
5119         (VEC_safe_splice_1): New template function.
5120         (VEC_safe_splice): Call it.
5121         (VEC_quick_push_1): New template function.  Create two overloads, one
5122         accepting T, the other accepting T *.  Update all callers
5123         where T and T * are ambiguous.
5124         (VEC_quick_push): Call it.
5125         (VEC_safe_push_1): New template function. Create two overloads, one
5126         accepting T, the other accepting T *.  Update all callers
5127         where T and T * are ambiguous.
5128         (VEC_safe_push): Call it.
5129         (VEC_pop_1): New template function.
5130         (VEC_pop): Call it.
5131         (VEC_truncate_1): New template function.
5132         (VEC_truncate): Call it.
5133         (VEC_safe_grow_1): New template function.
5134         (VEC_safe_grow): Call it.
5135         (VEC_safe_grow_cleared_1): New template function.
5136         (VEC_safe_grow_cleared): Call it.
5137         (VEC_replace_1): New template function.
5138         (VEC_replace): Call it.  Always accept T instead of T*.
5139         Update all callers that used VEC_Os.
5140         (VEC_quick_insert_1): New template function.
5141         (VEC_quick_insert): Call it.
5142         (VEC_safe_insert_1): New template function.
5143         (VEC_safe_insert): Call it.
5144         (VEC_ordered_remove_1): New template function.
5145         (VEC_ordered_remove): Call it.
5146         (VEC_unordered_remove_1): New template function.
5147         (VEC_unordered_remove): Call it.
5148         (VEC_block_remove_1): New template function.
5149         (VEC_block_remove): Call it.
5150         (VEC_lower_bound_1): New template function.
5151         (VEC_lower_bound): Call it.
5152         (VEC_OP): Remove.
5153         (DEF_VEC_FUNC_P): Remove.
5154         (DEF_VEC_ALLOC_FUNC_P): Remove.
5155         (DEF_VEC_NONALLOC_FUNCS_P): Remove.
5156         (DEF_VEC_FUNC_O): Remove.
5157         (DEF_VEC_ALLOC_FUNC_O): Remove.
5158         (DEF_VEC_NONALLOC_FUNCS_O): Remove.
5159         (DEF_VEC_ALLOC_FUNC_I): Remove.
5160         (DEF_VEC_NONALLOC_FUNCS_I): Remove.
5161         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove.
5162         (DEF_VEC_ALLOC_FUNC_O_STACK): Remove.
5163         (DEF_VEC_ALLOC_FUNC_I_STACK): Remove.
5164         (vec_reserve_exact): New template function.
5165
5166         * gengtype-lex.l (DEF_VEC_ALLOC_[IOP]/{EOID}): Remove.
5167         * gengtype-parse.c (token_names): Remove DEF_VEC_ALLOC_[IOP].
5168         (typedef_name): Emit vec_t<C1> instead of VEC_C1_C2.
5169         (def_vec_alloc): Remove.  Update all callers.
5170         * gengtype.c (filter_type_name): New.
5171         (output_mangled_typename): Call it.
5172         (write_func_for_structure): Likewise.
5173         (write_types): Likewise.
5174         (write_root): Likewise.
5175         (write_typed_alloc_def): Likewise.
5176         (note_def_vec): Emit vec_t<TYPE_NAME> instead of VEC_TYPE_NAME_base.
5177         (note_def_vec_alloc): Remove.
5178         * gengtype.h (note_def_vec_alloc): Remove.
5179         (DEFVEC_ALLOC): Remove token code.
5180
5181         * df-scan.c (df_bb_verify): Remove call to df_free_collection_rec
5182         inside the insn traversal loop.
5183         * gimplify.c (gimplify_compound_lval): Rename STACK to EXPR_STACK.
5184         * ipa-inline.c (inline_small_functions): Rename HEAP to EDGE_HEAP.
5185         * reg-stack.c (stack): Rename to STACK_PTR.  Update all users.
5186         * tree-vrp.c (stack): Rename to EQUIV_STACK.  Update all users.
5187
5188         * config/bfin/bfin.c (hwloop_optimize): Update some calls to
5189         VEC_* for vectors of non-pointers.
5190         * config/c6x/c6x.c (try_rename_operands): Likewise.
5191         (reshuffle_units): Likewise.
5192         * config/mips/mips.c (mips_multi_start): Likewise.
5193         (mips_multi_add): Likewise.
5194         (mips_multi_copy_insn): Likewise.
5195         (mips_multi_set_operand): Likewise.
5196         * hw-doloop.c (discover_loop): Likewise.
5197         (discover_loops): Likewise.
5198         (reorg_loops): Likewise.
5199
5200 2012-08-14  Diego Novillo  <dnovillo@google.com>
5201
5202         Merge from cxx-conversion branch.  C++ support in gengtype.
5203
5204         * coretypes.h (gt_pointer_operator): Move from ...
5205         * ggc.h: ... here.
5206         * doc/gty.texi: Document support for C++ templates and
5207         user-provided markers.
5208         * gcc/gengtype-lex.l: Update copyright year.
5209         Remove support for recognizing DEF_VEC_O, DEF_VEC_P and DEFVEC_I.
5210         * gengtype-parse.c: Update copyright year.
5211         (token_names): Remove DEF_VEC_O, DEF_VEC_P and DEF_VEC_I.
5212         (require_template_declaration): New.
5213         (typedef_name): Call it.
5214         (type): Replace IS_UNION with KIND. Replace all users.
5215         (def_vec): Remove.  Update all users.
5216         * gengtype-state.c (type_lineloc): Handle TYPE_USER_STRUCT.
5217         (write_state_user_struct_type): New.
5218         (write_state_type): Call it.
5219         (read_state_user_struct_type): New.
5220         (read_state_type): Call it.
5221         * gengtype.c: Update copyright year.
5222         (dump_pair): Move declaration to the top.
5223         (dump_type): Likewise.
5224         (dump_type_list): Likewise.
5225         (dbgprint_count_type_at): Handle TYPE_USER_STRUCT.
5226         (create_user_defined_type): New.
5227         (resolve_typedef): Call it.
5228         (new_structure): Replace argument ISUNION with KIND.
5229         Change users to refer to KIND directly.
5230         Update all callers.
5231         (find_structure): Likewise.
5232         (set_gc_used_type): Handle TYPE_USER_STRUCT.
5233         (create_file): Update HDR to include new copyright year.
5234         (struct walk_type_data): Add field IN_PTR_FIELD.
5235         (output_mangled_typename): Handle TYPE_USER_STRUCT.
5236         (walk_type): Set D->IN_PTR_FIELD when walking a TYPE_POINTER.
5237         Clear it afterwards.
5238         Handle TYPE_USER_STRUCT.
5239         (write_types_process_field): Handle TYPE_USER_STRUCT.
5240         (get_type_specifier): Move earlier in the file.
5241         (write_type_decl): New.
5242         (write_marker_function_name): New.
5243         (write_user_func_for_structure_ptr): New.
5244         (write_user_func_for_structure_body): New.
5245         (write_user_marking_functions): New.
5246         (write_func_for_structure): Call write_marker_function_name
5247         and write_type_decl.
5248         Do not call walk_type for TYPE_USER_STRUCT. Emit a call to the user
5249         function directly.
5250         Call write_user_marking_functions on TYPE_USER_STRUCTs.
5251         (write_types_local_user_process_field): New.
5252         (write_pch_user_walking_for_structure_body): New.
5253         (write_pch_user_walking_functions): New.
5254         (write_types_local_process_field): Handle TYPE_USER_STRUCT.
5255         (write_local_func_for_structure): Do not call walk_type for
5256         TYPE_USER_STRUCT. Instead, emit the call to gt_pch_nx directly.
5257         Call write_pch_user_walking_functions for TYPE_USER_STRUCTs.
5258         (write_root): Handle TYPE_USER_STRUCT.
5259         (vec_prefix_type): Remove.  Update all users.
5260         (note_def_vec): Remove.  Update all users.
5261         (dump_typekind): Handle TYPE_USER_STRUCT.
5262         (dump_type): Initialize SEEN_TYPES, if needed.
5263         Handle TYPE_USER_STRUCT.
5264         (dump_everything): Do not initialize SEEN_TYPES.
5265         * gengtype.h: Update copyright year.
5266         (enum typekind): Add TYPE_USER_STRUCT.
5267         (union_or_struct_p): Rename from UNION_OR_STRUCT_P.
5268         Convert into function.
5269         Add an overload taking const_type_p.
5270         Update all callers.
5271         (new_structure): Change second field to type enum typekind.
5272         Update all users.
5273         (find_structure): Likewise.
5274         (note_def_vec): Remove.
5275         (DEFVEC_OP): Remove.
5276         (DEFVEC_I): Remove.
5277         * ggc-page.c (gt_ggc_mx): Add entry points for marking
5278         'const char *&', 'unsigned char *&' and 'unsigned char&'.
5279         * ggc-zone.c (gt_ggc_mx): Add entry points for marking
5280         'const char *&' and 'unsigned char *&'.
5281         * stringpool.c (gt_pch_nx): Add entry points for marking
5282         'const char *&', 'unsigned char *&' and 'unsigned char&'.
5283         Add an entry point for the overload taking arguments 'unsigned char
5284         *', 'gt_pointer_operator' and 'void *'.
5285         * vec.h (struct vec_prefix): Remove GTY marker.
5286         (struct vec_t): Remove GTY((length)) attribute from field 'vec'.
5287         (gt_ggc_mx (vec_t<T> *)): New template function.
5288         (gt_pch_nx (vec_t<T> *)): New template function.
5289         (gt_pch_nx (vec_t<T *> *, gt_pointer_operator, void *)): New template
5290         function.
5291         (gt_pch_nx (vec_t<T> *, gt_pointer_operator, void *)): New template
5292         function.
5293
5294         * basic-block.h (struct edge_def): Mark GTY((user)).
5295         Remove all GTY markers from fields.
5296         (gt_ggc_mx): Declare.
5297         (gt_pch_nx): Declare.
5298         * tree-cfg.c (gt_ggc_mx): New.
5299         (gt_pch_nx): New.
5300
5301         * gengtype-lex.l (USER_GTY): Add pattern for "user".
5302         * gengtype-parse.c (option): Handle USER_GTY.
5303         (opts_have): New.
5304         (type): Call it.
5305         If the keyword 'user' is used, do not walk the fields
5306         of the structure.
5307         * gengtype.h (USER_GTY): Add.
5308         * doc/gty.texi: Update.
5309
5310 2012-08-14  Lawrence Crowl  <crowl@google.com>
5311
5312         Merge cxx-conversion branch.  Implement C++ hash table.
5313
5314         * hash-table.h: New. Implementation borrowed from libiberty/hashtab.c.
5315         * hash-table.c: Likewise.
5316         * tree-ssa-tail-merge.c: Include hash-table.h instead of hashtab.h.
5317         (static htab_t same_succ_htab): Change type to hash_table;
5318         move specification of helper functions from create call to declaration.
5319         Change users to invoke member functions.
5320         (same_succ_print_traverse): Make extern ssa_.... Change callers.
5321         Remove void* casting.
5322         (same_succ_hash): Likewise.
5323         (same_succ_equal): Likewise.
5324         (same_succ_delete): Likewise.
5325         * tree-ssa-threadupdate.c: Include hash-table.h.
5326         (struct local_info): Rename to ssa_local_info_t to avoid overloading
5327         the type name local_info with the variable name local_info.
5328         (static htab_t redirection_data): Change type to hash_table.
5329         Move specification of helper functions from create call to declaration.
5330         Change users to invoke member functions.
5331         (redirection_data_hash): Make extern ssa_.... Change callers.
5332         Remove void* casting.
5333         (redirection_data_eq): Likewise.
5334         (fix_duplicate_block_edges): Likewise.
5335         (create_duplicates): Likewise.
5336         (fixup_template_block): Likewise.
5337         (redirect_edges): Likewise.
5338         (lookup_redirection_data): Change types associated with the hash table
5339         from void* to their actual type. Remove unnecessary casts.
5340         * tree-ssa-ccp.c: Include hash-table.h.
5341         (typedef gimple_htab): New.  Uses hash_table.  Replace specific uses
5342         of htab_t with gimple_htab.  Change users to invoke member functions.
5343         Move specification of helper functions from create call to declaration.
5344         * tree-ssa-coalesce.c: Include hash-table.h instead of hashtab.h.
5345         (hash_ssa_name_by_var): Make extern. Remove void* casting.
5346         (eq_ssa_name_by_var): Likewise.
5347         (coalesce_ssa_name): Change type of local static htab_t ssa_name_hash
5348         to hash_table. Change users to invoke member functions.
5349         Move specification of helper functions from create call to declaration.
5350         * coverage.c: Include hash-table.h instead of hashtab.h.
5351         (static htab_t counts_hash): Change type to hash_table;
5352         move specification of helper functions from create call to declaration.
5353         Change users to invoke member functions.
5354         (htab_counts_entry_hash): Make extern. Rename with coverage_... instead
5355         of htab_... Remove void* casting.
5356         (htab_counts_entry_eq): Likewise.
5357         (htab_counts_entry_del): Likewise.
5358         * tree-ssa-pre.c: Include hash-table.h instead of hashtab.h.
5359         (static htab_t expression_to_id): Change type to hash_table.
5360         Move specification of helper functions from create call to declaration.
5361         Change users to invoke member functions.
5362         (static htab_t phi_translate_table): Likewise.
5363         (pre_expr_eq): Make extern ssa_.... Change callers.
5364         Remove void* casting.
5365         (pre_expr_hash): Likewise.
5366         (expr_pred_trans_hash): Likewise.
5367         (expr_pred_trans_eq): Likewise.
5368         (alloc_expression_id): Change types associated with the hash table
5369         from void* to their actual type. Remove unnecessary casts.
5370         (lookup_expression_id): Likewise.
5371         (phi_trans_lookup): Likewise.
5372         (phi_trans_add): Likewise.
5373         * stringpool.c: Rename uses of libcpp typedef hash_table to
5374         cpp_hash_table.
5375         * Makefile.in: Add hash-table.o to OBJS-libcommon-target.
5376         Add $(HASH_TABLE_H). Add new dependences on $(HASH_TABLE_H).
5377
5378 2012-08-14  Lawrence Crowl  <crowl@google.com>
5379
5380         Merge from cxx-conversion branch.  Re-write double_int in C++.
5381
5382         * hash-table.h
5383         (typedef double_int): Change to struct (POD).
5384         (double_int::make): New overloads for int to double-int conversion.
5385         (double_int::mask): New.
5386         (double_int::max_value): New.
5387         (double_int::min_value): New.
5388         (double_int::operator ++): New.
5389         (double_int::operator --): New.
5390         (double_int::operator *=): New.
5391         (double_int::operator +=): New.
5392         (double_int::operator -=): New.
5393         (double_int::to_signed): New.
5394         (double_int::to_unsigned): New.
5395         (double_int::fits_unsigned): New.
5396         (double_int::fits_signed): New.
5397         (double_int::fits): New.
5398         (double_int::trailing_zeros): New.
5399         (double_int::popcount): New.
5400         (double_int::multiple_of): New.
5401         (double_int::set_bit): New.
5402         (double_int::mul_with_sign): New.
5403         (double_int::operator * (binary)): New.
5404         (double_int::operator + (binary)): New.
5405         (double_int::operator - (binary)): New.
5406         (double_int::operator - (unary)): New.
5407         (double_int::operator ~ (unary)): New.
5408         (double_int::operator & (binary)): New.
5409         (double_int::operator | (binary)): New.
5410         (double_int::operator ^ (binary)): New.
5411         (double_int::and_not): New.
5412         (double_int::lshift): New.
5413         (double_int::rshift): New.
5414         (double_int::alshift): New.
5415         (double_int::arshift): New.
5416         (double_int::llshift): New.
5417         (double_int::lrshift): New.
5418         (double_int::lrotate): New.
5419         (double_int::rrotate): New.
5420         (double_int::div): New.
5421         (double_int::sdiv): New.
5422         (double_int::udiv): New.
5423         (double_int::mod): New.
5424         (double_int::smod): New.
5425         (double_int::umod): New.
5426         (double_int::divmod): New.
5427         (double_int::sdivmod): New.
5428         (double_int::udivmod): New.
5429         (double_int::ext): New.
5430         (double_int::zext): New.
5431         (double_int::sext): New.
5432         (double_int::is_zero): New.
5433         (double_int::is_one): New.
5434         (double_int::is_minus_one): New.
5435         (double_int::is_negative): New.
5436         (double_int::cmp): New.
5437         (double_int::ucmp): New.
5438         (double_int::scmp): New.
5439         (double_int::ult): New.
5440         (double_int::ugt): New.
5441         (double_int::slt): New.
5442         (double_int::sgt): New.
5443         (double_int::max): New.
5444         (double_int::smax): New.
5445         (double_int::umax): New.
5446         (double_int::min): New.
5447         (double_int::smin): New.
5448         (double_int::umin): New.
5449         (double_int::operator ==): New.
5450         (double_int::operator !=): New.
5451         (shwi_to_double_int): Change implementation to use member function.
5452         (double_int_minus_one): Likewise.
5453         (double_int_zero): Likewise.
5454         (double_int_one): Likewise.
5455         (double_int_two): Likewise.
5456         (double_int_ten): Likewise.
5457         (uhwi_to_double_int): Likewise.
5458         (double_int_to_shwi): Likewise.
5459         (double_int_to_uhwi): Likewise.
5460         (double_int_fits_in_uhwi_p): Likewise.
5461         (double_int_fits_in_shwi_p): Likewise.
5462         (double_int_fits_in_hwi_p): Likewise.
5463         (double_int_mul): Likewise.
5464         (double_int_mul_with_sign): Likewise.
5465         (double_int_add): Likewise.
5466         (double_int_sub): Likewise.
5467         (double_int_neg): Likewise.
5468         (double_int_div): Likewise.
5469         (double_int_sdiv): Likewise.
5470         (double_int_udiv): Likewise.
5471         (double_int_mod): Likewise.
5472         (double_int_smod): Likewise.
5473         (double_int_umod): Likewise.
5474         (double_int_divmod): Likewise.
5475         (double_int_sdivmod): Likewise.
5476         (double_int_udivmod): Likewise.
5477         (double_int_multiple_of): Likewise.
5478         (double_int_setbit): Likewise.
5479         (double_int_ctz): Likewise.
5480         (double_int_not): Likewise.
5481         (double_int_ior): Likewise.
5482         (double_int_and): Likewise.
5483         (double_int_and_not): Likewise.
5484         (double_int_xor): Likewise.
5485         (double_int_lshift): Likewise.
5486         (double_int_rshift): Likewise.
5487         (double_int_lrotate): Likewise.
5488         (double_int_rrotate): Likewise.
5489         (double_int_cmp): Likewise.
5490         (double_int_scmp): Likewise.
5491         (double_int_ucmp): Likewise.
5492         (double_int_max): Likewise.
5493         (double_int_smax): Likewise.
5494         (double_int_umax): Likewise.
5495         (double_int_min): Likewise.
5496         (double_int_smin): Likewise.
5497         (double_int_umin): Likewise.
5498         (double_int_ext): Likewise.
5499         (double_int_sext): Likewise.
5500         (double_int_zext): Likewise.
5501         (double_int_mask): Likewise.
5502         (double_int_max_value): Likewise.
5503         (double_int_min_value): Likewise.
5504         (double_int_zero_p): Likewise.
5505         (double_int_one_p): Likewise.
5506         (double_int_minus_one_p): Likewise.
5507         (double_int_equal_p): Likewise.
5508         (double_int_popcount): Likewise.
5509         * hash-table.c
5510         (double_int_mask): Reuse implementation for double_int::mask.
5511         (double_int_max_value): Likewise.
5512         (double_int_min_value): Likewise.
5513         (double_int_ext): Likewise.
5514         (double_int_zext): Likewise.
5515         (double_int_sext): Likewise.
5516         (double_int_mul_with_sign): Likewise.
5517         (double_int_divmod): Likewise.
5518         (double_int_sdivmod): Likewise.
5519         (double_int_udivmod): Likewise.
5520         (double_int_div): Likewise.
5521         (double_int_sdiv): Likewise.
5522         (double_int_udiv): Likewise.
5523         (double_int_mod): Likewise.
5524         (double_int_smod): Likewise.
5525         (double_int_umod): Likewise.
5526         (double_int_multiple_of): Likewise.
5527         (double_int_lshift): Likewise.
5528         (double_int_rshift): Likewise.
5529         (double_int_lrotate): Likewise.
5530         (double_int_rrotate): Likewise.
5531         (double_int_cmp): Likewise.
5532         (double_int_ucmp): Likewise.
5533         (double_int_scmp): Likewise.
5534         (double_int_max): Likewise.
5535         (double_int_smax): Likewise.
5536         (double_int_umax): Likewise.
5537         (double_int_min): Likewise.
5538         (double_int_smin): Likewise.
5539         (double_int_umin): Likewise.
5540         (double_int_min): Likewise.
5541         (double_int_min): Likewise.
5542         (double_int_min): Likewise.
5543         (double_int_min): Likewise.
5544         (double_int_min): Likewise.
5545         (double_int_min): Likewise.
5546         (double_int::alshift): New.
5547         (double_int::arshift): New.
5548         (double_int::llshift): New.
5549         (double_int::lrshift): New.
5550         (double_int::ult): New.
5551         (double_int::ugt): New.
5552         (double_int::slt): New.
5553         (double_int::sgt): New.
5554         (double_int_setbit): Reuse implementation for double_int::set_bit,
5555         which avoids a name conflict with a macro.
5556         (double_int_double_int_ctz): Reuse implementation for
5557         double_int::trailing_zeros.
5558         (double_int_fits_in_shwi_p): Reuse implementation for
5559         double_int::fits_signed.
5560         (double_int_fits_in_hwi_p): Reuse implementation for double_int::fits.
5561         (double_int_mul): Reuse implementation for binary
5562         double_int::operator *.
5563         (double_int_add): Likewise.
5564         (double_int_sub): Likewise.
5565         (double_int_neg): Reuse implementation for unary
5566         double_int::operator -.
5567         (double_int_max_value): Likewise.
5568         * fixed-value.c: Change to use member functions introduced above.
5569
5570 2012-08-14  Lawrence Crowl  <crowl@google.com>
5571
5572         Merge cxx-conversion branch.  Support tree macro calling from gdb.
5573
5574         * tree.h (tree_check): New.
5575         (TREE_CHECK): Use inline function above instead of __extension__.
5576         (tree_not_check): New.
5577         (TREE_NOT_CHECK): Use inline function above instead of __extension__.
5578         (tree_check2): New.
5579         (TREE_CHECK2): Use inline function above instead of __extension__.
5580         (tree_not_check2): New.
5581         (TREE_NOT_CHECK2): Use inline function above instead of __extension__.
5582         (tree_check3): New.
5583         (TREE_CHECK3): Use inline function above instead of __extension__.
5584         (tree_not_check3): New.
5585         (TREE_NOT_CHECK3): Use inline function above instead of __extension__.
5586         (tree_check4): New.
5587         (TREE_CHECK4): Use inline function above instead of __extension__.
5588         (tree_not_check4): New.
5589         (TREE_NOT_CHECK4): Use inline function above instead of __extension__.
5590         (tree_check5): New.
5591         (TREE_CHECK5): Use inline function above instead of __extension__.
5592         (tree_not_check5): New.
5593         (TREE_NOT_CHECK5): Use inline function above instead of __extension__.
5594         (contains_struct_check): New.
5595         (CONTAINS_STRUCT_CHECK): Use inline function above instead of
5596         __extension__.
5597         (tree_class_check): New.
5598         (TREE_CLASS_CHECK): Use inline function above instead of __extension__.
5599         (tree_range_check): New.
5600         (TREE_RANGE_CHECK): Use inline function above instead of __extension__.
5601         (omp_clause_subcode_check): New.
5602         (OMP_CLAUSE_SUBCODE_CHECK): Use inline function above instead of
5603         __extension__.
5604         (omp_clause_range_check): New.
5605         (OMP_CLAUSE_RANGE_CHECK): Use inline function above instead of
5606         __extension__.
5607         (expr_check): New.
5608         (EXPR_CHECK): Use inline function above instead of __extension__.
5609         (non_type_check): New.
5610         (NON_TYPE_CHECK): Use inline function above instead of __extension__.
5611         (tree_vec_elt_check): New.
5612         (TREE_VEC_ELT_CHECK): Use inline function above instead of
5613         __extension__.
5614         (omp_clause_elt_check): New.
5615         (OMP_CLAUSE_ELT_CHECK): Use inline function above instead of
5616         __extension__.
5617         (tree_operand_check): New.
5618         (TREE_OPERAND_CHECK): Use inline function above instead of
5619         __extension__.
5620         (tree_operand_check_code): New.
5621         (TREE_OPERAND_CHECK_CODE): Use inline function above instead of
5622         __extension__.
5623         (TREE_CHAIN): Simplify implementation.
5624         (TREE_TYPE): Simplify implementation.
5625         (tree_operand_length): Move for compilation dependences.
5626         * gdbinit.in: (macro define __FILE__): New.
5627         (macro define __LINE__): New.
5628         (skip "tree.h"): New.
5629
5630 2012-08-14  Oleg Endo  <olegendo@gcc.gnu.org>
5631
5632         PR target/52933
5633         * config/sh/sh.md (cmp_div0s_0, cmp_div0s_1, *cmp_div0s_0,
5634         *cmp_div0s_1, *cbranch_div0s, *movsicc_div0s): New insns.
5635         * config/sh/sh.c (sh_rtx_costs): Handle div0s patterns.
5636
5637 2012-08-14  Oleg Endo  <olegendo@gcc.gnu.org>
5638
5639         PR target/50751
5640         * config/sh/constraints.md (Sra): New constraint.
5641         * config/sh/predicates.md (simple_mem_operand,
5642         displacement_mem_operand, zero_extend_movu_operand): New predicates.
5643         (zero_extend_operand): Check zero_extend_movu_operand for SH2A.
5644         * config/sh/sh.md (*zero_extendqisi2_disp_mem,
5645         *zero_extendhisi2_disp_mem): Add new insns and two new related
5646         peephole2 patterns.
5647
5648 2012-08-14  Steven Bosscher  <steven@gcc.gnu.org>
5649
5650         * graphite-scop-detection.c (create_sese_edges): Compute dominance
5651         info before trying to fix loop structure.
5652         * cfgloopmanip.c (fix_loop_structure): Require fast DOM queries.
5653         * tree-cfgcleanup.c (repair_loop_structures): Likewise.
5654         * cfgloop.c (verify_loop_structure): Verify loop fathers.
5655
5656         * dominance.c (init_dom_info): Use gcc_checking_assert, not gcc_assert.
5657         (dom_convert_dir_to_idx, compute_dom_fast_query,
5658         get_immediate_dominator, set_immediate_dominator, get_dominated_by,
5659         redirect_immediate_dominators, nearest_common_dominator,
5660         (dominated_by_p, bb_dom_dfs_in, bb_dom_dfs_out, recompute_dominator,
5661         iterate_fix_dominators, add_to_dominance_info,
5662         delete_from_dominance_info): Likewise.
5663
5664 2012-08-14  Richard Guenther  <rguenther@suse.de>
5665
5666         * cfgexpand.c (expand_used_vars): Use virtual_operand_p.
5667         * gimple-pretty-print.c (dump_phi_nodes): Likewise.
5668         * gimple-streamer-out.c (output_bb): Likewise.
5669         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Likewise.
5670         (rewrite_reductions_out_of_ssa): Likewise.
5671         (rewrite_commutative_reductions_out_of_ss): Likewise.
5672         * ipa-split.c (verify_non_ssa_vars): Likewise.
5673         (consider_split): Likewise.
5674         (visit_bb): Likewise.
5675         (split_function): Likewise.
5676         * lto-streamer-out.c (output_ssa_names): Likewise.
5677         * sese.c (rename_uses): Likewise.
5678         * tree-cfg.c (replace_uses_by): Likewise.
5679         (gimple_merge_blocks): Likewise.
5680         (gimple_cfg2dot): Likewise.
5681         (verify_gimple_phi): Likewise.
5682         (replace_ssa_name): Likewise.
5683         (move_block_to_fn): Likewise.
5684         * tree-eh.c (cleanup_empty_eh_merge_phis): Likewise.
5685         * tree-if-conv.c (if_convertible_phi_p): Likewise.
5686         (predicate_scalar_phi): Likewise.
5687         * tree-inline.c (update_ssa_across_abnormal_edges): Likewise.
5688         (copy_phis_for_bb): Likewise.
5689         * tree-loop-distribution.c (generate_loops_for_partition): Likewise.
5690         (destroy_loop): Likewise.
5691         * tree-outof-ssa.c (eliminate_useless_phis): Likewise.
5692         (insert_backedge_copies): Likewise.
5693         * tree-parloops.c (transform_to_exit_first_loop): Likewise.
5694         (gather_scalar_reductions): Likewise.
5695         (try_create_reduction_list): Likewise.
5696         * tree-scalar-evolution.c (analyze_scalar_evolution_for_all_loop_ph):
5697         Likewise.
5698         (scev_const_prop): Likewise.
5699         * tree-ssa-ccp.c (debug_lattice_value): Likewise.
5700         (get_default_value): Likewise.
5701         (ccp_initialize): Likewise.
5702         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
5703         * tree-ssa-copy.c (may_propagate_copy): Likewise.
5704         (init_copy_prop): Likewise.
5705         * tree-ssa-dce.c (propagate_necessity): Likewise.
5706         (remove_dead_phis): Likewise.
5707         (forward_edge_to_pdom): Likewise.
5708         (eliminate_unnecessary_stmts): Likewise.
5709         * tree-ssa-live.c (partition_view_init): Likewise.
5710         (remove_unused_locals): Likewise.
5711         (register_ssa_partition_check): Likewise.
5712         * tree-ssa-loop-im.c (movement_possibility): Likewise.
5713         (move_computations_stmt): Likewise.
5714         * tree-ssa-loop-ivopts.c (determine_biv_step): Likewise.
5715         (record_invariant): Likewise.
5716         (find_interesting_uses_outside): Likewise.
5717         (determine_set_costs): Likewise.
5718         * tree-ssa-loop-manip.c (add_exit_phis_var): Likewise.
5719         (find_uses_to_rename_use): Likewise.
5720         (check_loop_closed_ssa_use): Likewise.
5721         (rewrite_phi_with_iv): Likewise.
5722         (canonicalize_loop_ivs): Likewise.
5723         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
5724         * tree-ssa-phiopt.c (hoist_adjacent_loads): Likewise.
5725         * tree-ssa-pre.c (make_values_for_phi): Likewise.
5726         (compute_avail): Likewise.
5727         (eliminate): Likewise.
5728         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
5729         * tree-ssa-reassoc.c (phi_rank): Likewise.
5730         * tree-ssa-strlen.c (strlen_enter_block): Likewise.
5731         * tree-ssa-structalias.c (compute_points_to_sets): Likewise.
5732         (ipa_pta_execute): Likewise.
5733         * tree-ssa-tail-merge.c (same_succ_hash): Likewise.
5734         (release_last_vdef): Likewise.
5735         (same_phi_alternatives_1): Likewise.
5736         (bb_has_non_vop_phi): Likewise.
5737         (vop_phi): Likewise.
5738         * tree-ssa-threadedge.c (record_temporary_equivalences_from_phis):
5739         Likewise.
5740         * tree-ssa-uninit.c (warn_uninitialized_phi): Likewise.
5741         (execute_late_warn_uninitialized): Likewise.
5742         * tree-ssa.c (verify_ssa_name): Likewise.
5743         (verify_phi_args): Likewise.
5744         (verify_ssa): Likewise.
5745         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
5746         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
5747         Likewise.
5748         (slpeel_tree_peel_loop_to_edge): Likewise.
5749         (vect_can_advance_ivs_p): Likewise.
5750         (vect_update_ivs_after_vectorizer): Likewise.
5751         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Likewise.
5752         * tree-vrp.c (remove_range_assertions): Likewise.
5753         * value-prof.c (gimple_divmod_values_to_profile): Likewise.
5754
5755 2012-08-14  Richard Guenther  <rguenther@suse.de>
5756
5757         PR tree-optimization/54146
5758         * tree-ssa-pre.c (do_regular_insertion): Use a VEC
5759         indexed by pred edge index for avail.
5760         (do_partial_partial_insertion): Likewise.
5761         (insert_into_preds_of_block): Adjust.
5762
5763 2012-08-14  Richard Guenther  <rguenther@suse.de>
5764
5765         * gimplify.c (create_tmp_from_val): Mark temporary with
5766         DECL_GIMPLE_REG_P here ...
5767         (internal_get_tmp_var): ... instead of here.  If we go into
5768         SSA create an SSA name instead of a VAR_DECL.
5769         (gimplify_modify_expr): Do not create SSA names here, assert
5770         we already got them.
5771         (force_gimple_operand_1): Create an SSA name if we go into SSA.
5772         * sese.c (rename_uses): Simplify.
5773
5774 2012-08-14  Richard Guenther  <rguenther@suse.de>
5775
5776         * tree-into-ssa.c: Include diagnostic-core.h.
5777         * Makefile.in (tree-into-ssa.o): Adjust.
5778
5779 2012-08-14  Richard Guenther  <rguenther@suse.de>
5780
5781         * tree-into-ssa.c (update_ssa): Verify we do not rename
5782         symbols that are already partly in SSA form.
5783
5784 2012-08-14  Jakub Jelinek  <jakub@redhat.com>
5785
5786         PR middle-end/53411
5787         PR rtl-optimization/53495
5788         * ira.c (ira): Move delete_trivially_dead_insns call before
5789         find_moveable_pseudos call.
5790
5791 2012-08-13  Steven Bosscher  <steven@gcc.gnu.org>
5792
5793         * tree-ssa-pre.c (do_regular_insertion): Add FIXME markers at points
5794         of potentially huge memset overhead.
5795         (do_partial_partial_insertion): Likewise.
5796         * cfgexpand.c (gimple_expand_cfg): Use XCNEWVEC instead of xcalloc.
5797         * tree-vrp.c (find_assert_locations): Use XNEWVEC instead of XCNEWVEC
5798         for arrays to be filled by pre_and_rev_post_order_compute.  Allocate
5799         the right number of slots, not that number plus NUM_FIXED_BLOCKS.
5800         * tree-ssa-reassoc.c (init_reassoc): Likewise.
5801         * cfganal.c (dfs_enumerate_from): Use XNEWVEC instead of XCNEWVEC for
5802         array used as stack.
5803         * tree-ssa-sccvn.c (init_scc_vn): Use XNEWVEC instead of XCNEWVEC for
5804         arrays to be filled by pre_and_rev_post_order_compute.
5805         * cfgloopmanip.c (find_path): Use XNEWVEC instead of XCNEWVEC for
5806         array to be filled by dfs_enumerate_from.
5807         (remove_path): Likewise.
5808         (duplicate_loop_to_header_edge): Use XNEWVEC instead of XCNEWVEC for
5809         array of loops that is filled on the next lines.
5810         * cfgloop.c (get_loop_body): Use XNEWVEC instead of XCNEWVEC for
5811         array of basic blocks to be returned.
5812         (get_loop_body_in_dom_order): Likewise.
5813         (get_loop_body_in_bfs_order): Likewise.
5814         * tree-ssa-loop-manip.c (loop_renamer_obstack): New static obstack
5815         for all bitmaps used for rewriting into loop-closed SSA form.
5816         (add_exit_phis_var): Allocate the def bitmap on it.  Clear the livein
5817         bitmap at the end to release a lot of memory.
5818         (add_exit_phis): Allocate the exits bitmap on the new obstack.
5819         (get_loops_exits): Allocate the exits bitmap on the new obstack.
5820         (find_uses_to_rename_use): Allocate a use_blocks bitmap if ver is
5821         seen for the first time.
5822         (find_uses_to_rename): Add "???" for why the whole function must
5823         be re-scanned if changed_bbs is empty.
5824         (rewrite_into_loop_closed_ssa): Allocate bitmaps on the new obstack.
5825         Use XNEWVEC to allocate the use_blocks array.  Initialize the new
5826         obstack, and free it at the end.  Remove loop over all SSA names.
5827         (check_loop_closed_ssa_stmt): Look only at SSA_OP_USE operands.
5828         * tree-cfg.c (move_sese_region_to_fn): Use XNEWVEC instead of
5829         xcalloc to allocate edge_pred and edge_flag arrays.
5830
5831 2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
5832
5833         * config/i386/i386.h (FIXED_REGISTERS): Do not mark REX registers here.
5834         (CALL_USED_REGISTERS): Use bitmaps to mark call-used registers
5835         for different ABIs.
5836         (enum reg_class): Move CLOBBERED_REGS just before GENERAL_REGS.
5837         (REG_CLASS_NAMES): Update.
5838         (REG_CLASS_CONTENTS): Update.  Clear CLOBBERED_REGS members.
5839         * config/i386/i386.c (ix86_conditional_register_usage): Disable
5840         REX registers on 32bit targets.  Handle bitmaps from
5841         CALL_USED_REGISTERS initializer.  Calculate CLOBBERED_REGS register
5842         set from GENERAL_REGS also for 32bit targets.  Do not change call
5843         used register set for TARGET_64BIT_MS_ABI separately.
5844
5845 2012-08-13  Richard Guenther  <rguenther@suse.de>
5846
5847         * basic-block.h (struct basic_block): Remove loop_depth
5848         member, move flags and index members next to each other.
5849         * cfgloop.h (bb_loop_depth): New inline function.
5850         * cfghooks.c (split_block): Do not set loop_depth.
5851         (duplicate_block): Likewise.
5852         * cfgloop.c (flow_loop_nodes_find): Likewise.
5853         (flow_loops_find): Likewise.
5854         (add_bb_to_loop): Likewise.
5855         (remove_bb_from_loops): Likewise.
5856         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
5857         * gimple-streamer-in.c (input_bb): Do not stream loop_depth.
5858         * gimple-streamer-out.c (output_bb): Likewise.
5859         * bt-load.c: Include cfgloop.h.
5860         (migrate_btr_defs): Use bb_loop_depth.
5861         * cfg.c (dump_bb_info): Likewise.
5862         * final.c (compute_alignments): Likewise.
5863         * ira.c (update_equiv_regs): Likewise.
5864         * tree-ssa-copy.c (init_copy_prop): Likewise.
5865         * tree-ssa-dom.c (loop_depth_of_name): Likewise.
5866         * tree-ssa-forwprop.c: Include cfgloop.h.
5867         (forward_propagate_addr_expr): Use bb_loop_depth.
5868         * tree-ssa-pre.c (insert_into_preds_of_block): Likewise.
5869         * tree-ssa-sink.c (select_best_block): Likewise.
5870         * ipa-inline-analysis.c: Include cfgloop.h.
5871         (estimate_function_body_sizes): Use bb_loop_depth.
5872         * Makefile.in (tree-ssa-forwprop.o): Depend on $(CFGLOOP_H).
5873         (ipa-inline-analysis.o): Likewise.
5874         (bt-load.o): Likewise.
5875
5876 2012-08-13  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
5877             Jakub Jelinek  <jakub@redhat.com>
5878
5879         PR driver/54210
5880         * config/i386/driver-i386.c (host_detect_local_cpu): Test bit_PRFCHW
5881         bit of CPUID 0x80000001 %ecx instead of CPUID 7 %ecx.
5882         * config/i386/cpuid.h (bits_PRFCHW): Move definition to CPUID
5883         0x80000001 %ecx flags.
5884
5885 2012-08-13  Richard Guenther  <rguenther@suse.de>
5886
5887         * tree-cfg.c (print_loop): Avoid ICEing for loops marked for
5888         removal and loops with multiple latches.
5889
5890 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
5891
5892         PR c/53968
5893         * tree.c (integer_pow2p): Avoid undefined signed overflows.
5894         * simplify-rtx.c (neg_const_int): Likewise.
5895         * expr.c (fixup_args_size_notes): Likewise.
5896         * stor-layout.c (set_min_and_max_values_for_integral_type): Likewise.
5897         * double-int.c (mul_double_wide_with_sign): Likewise.
5898         (double_int_mask): Likewise.
5899         * tree-ssa-loop-ivopts.c (get_address_cost): Likewise.
5900
5901 2012-08-13  Richard Guenther  <rguenther@suse.de>
5902
5903         PR tree-optimization/54200
5904         * tree-ssa-copyrename.c (rename_ssa_copies): Do not add
5905         PHI results to another partition if not all PHI arguments
5906         have the same partition.
5907
5908 2012-08-12  Jan Hubicka  <jh@suse.cz>
5909
5910         * tree-pass.h (write_summary, write_optimization_summary): Remove
5911         set and vset arguments.
5912         * ipa-cp.c (ipcp_write_summary): Remove set and vset arugments.
5913         (write_node_summary_p): Likewise; use the encoder.
5914         (ipa_reference_write_optimization_summary): Likewise.
5915         * lto-cgraph.c (output_cgraph_opt_summary): Use encoder.
5916         (lto_symtab_encoder_new): Initialize in_partition field.
5917         (lto_symtab_encoder_delete): Destroy in_partition field.
5918         (LCC_NOT_FOUND): Move to lto-streamer.h
5919         (lto_symtab_encoder_deref): Likewise.
5920         (lto_symtab_encoder_in_partition_p,
5921         lto_set_symtab_encoder_in_partition): New functions.
5922         (referenced_from_other_partition_p): Rewrite to use encoder.
5923         (reachable_from_other_partition_p): Likewise.
5924         (referenced_from_this_partition_p): Likewise.
5925         (reachable_from_this_partition_p): Likewise.
5926         (lto_output_node): Likewise.
5927         (lto_output_varpool_node): Likewise.
5928         (output_refs): Likewise.
5929         (compute_ltrans_boundary): Initialize in_partition fileds of
5930         the encoder.
5931         (output_symtab): Likewise.
5932         (input_refs): Match the changes in output_refs.
5933         (output_cgraph_opt_summary_p): Remove set argument.
5934         (output_node_opt_summary): Replace set by encoder.
5935         (output_cgraph_opt_summary): Remove set argument; use
5936         the encoder.
5937         * ipa-pure-const.c (pure_const_write_summary): Remove set and vset
5938         arguments; use the encoder.
5939         * lto-streamer-out.c (lto_output): Remove set and vset argument; use
5940         the encoder.
5941         (produce_symtab): Likewise.
5942         * ipa-inline.h (inline_write_summary): Remove set and vset arguments.
5943         * ipa-inline-analysis.c (inline_write_summary): Likewise.
5944         * ipa-prop.c (ipa_prop_write_jump_functions): Remove set argument;
5945         use encoder.
5946         * ipa-prop.h (ipa_prop_write_jump_functions): Likewise.
5947         * passes.c (ipa_write_summaries_2): Remove set and vset arguments.
5948         (ipa_write_summaries_1): Update.
5949         (ipa_write_optimization_summaries_1): Likewise.
5950         (ipa_write_optimization_summaries): Likewise.
5951         * lto-streamer.h (lto_symtab_encoder_t): Add in_partition.
5952         (lto_symtab_encoder_iterator): New type.
5953         (lto_symtab_encoder_deref): Make inline.
5954         (output_symtab, referenced_from_other_partition_p,
5955         reachable_from_other_partition_p, referenced_from_this_partition_p,
5956         reachable_from_this_partition_p): Update.
5957         (lsei_end_p, lsei_next, lsei_node, lsei_cgraph_node,
5958         lsei_varpool_node): New inline functions.
5959         (LCC_NOT_FOUND): New macro.
5960         (lto_symtab_encoder_deref, lsei_start, lsei_next_in_partition,
5961         lsei_start_in_partition, lsei_next_function_in_partition,
5962         lsei_start_function_in_partition, lsei_next_variable_in_partition,
5963         lsei_start_variable_in_partition): New inline functions.
5964
5965 2012-08-12  Oleg Endo  <olegendo@gcc.gnu.org>
5966
5967         * config/sh/sh.md (prefetch): Simplify expander.  Fix condition to
5968         allow SH3.
5969         (*prefetch_media): Move insn below expander.
5970         (*prefetch): Fix condition to allow SH3.
5971
5972 2012-08-12  Oleg Endo  <olegendo@gcc.gnu.org>
5973
5974         PR target/51244
5975         * config/sh/sh.md: Add splits for inverted compare and branch
5976         opportunities.
5977         (*cmpeqsi_t): New insn.
5978         (cmpgtsi_t, cmpgesi_t): Swap r and N alternatives.
5979         (cmpgeusi_t): Use satisfies_constraint_Z.  Emit sett insn in
5980         replacement insn list and not in the preparation statements.
5981         (clrt, sett): Add mt_group attribute.
5982
5983 2012-08-12 Marc Glisse <marc.glisse@inria.fr>
5984
5985         PR middle-end/54193
5986         * gimple-pretty-print.c (dump_ternary_rhs): Handle 4 arguments.
5987
5988 2012-08-12  Oleg Endo  <olegendo@gcc.gnu.org>
5989
5990         PR target/39423
5991         * config/sh/predicates.md (mem_index_disp_operand): Check for
5992         arith_reg_operand instead of REG_P.
5993
5994 2012-08-11  Bernd Schmidt  <bernds@codesourcery.com>
5995
5996         * reload1.c (replaced_subreg, gen_reload): Add
5997         SECONDARY_MEMORY_NEEDED ifdefs as necessary.
5998
5999 2012-08-11  Jan Hubicka  <jh@suse.cz>
6000
6001         * lto-section-in.c (lto_section_name): Do not use "symtab" as part of
6002         symtab_node sectoin name; it confuses plugin.
6003
6004 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
6005
6006         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Shift DECL_UID
6007         index in the va_list_vars bitmap by num_ssa_names.
6008
6009 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
6010
6011         * config/i386/sse.md (xop integer multiply/add insns): Use
6012         register_operand for operand 3 predicate.
6013         (xop_phadd<u>bq):  Fix vec_select selectors.
6014
6015 2012-08-11  Martin Jambor  <mjambor@suse.cz>
6016
6017         PR fortran/48636
6018         * ipa-inline.h (condition): New fields offset, agg_contents and by_ref.
6019         * ipa-inline-analysis.c (agg_position_info): New type.
6020         (add_condition): New parameter aggpos, also store agg_contents, by_ref
6021         and offset.
6022         (dump_condition): Also dump aggregate conditions.
6023         (evaluate_conditions_for_known_args): Also handle aggregate
6024         conditions.  New parameter known_aggs.
6025         (evaluate_properties_for_edge): Gather known aggregate contents.
6026         (inline_node_duplication_hook): Pass NULL known_aggs to
6027         evaluate_conditions_for_known_args.
6028         (unmodified_parm): Split into unmodified_parm and unmodified_parm_1.
6029         (unmodified_parm_or_parm_agg_item): New function.
6030         (set_cond_stmt_execution_predicate): Handle values passed in
6031         aggregates.
6032         (set_switch_stmt_execution_predicate): Likewise.
6033         (will_be_nonconstant_predicate): Likewise.
6034         (estimate_edge_devirt_benefit): Pass new parameter known_aggs to
6035         ipa_get_indirect_edge_target.
6036         (estimate_calls_size_and_time): New parameter known_aggs, pass it
6037         recrsively to itself and to estimate_edge_devirt_benefit.
6038         (estimate_node_size_and_time): New vector known_aggs, pass it o
6039         functions which need it.
6040         (remap_predicate): New parameter offset_map, use it to remap aggregate
6041         conditions.
6042         (remap_edge_summaries): New parameter offset_map, pass it recursively
6043         to itself and to remap_predicate.
6044         (inline_merge_summary): Also create and populate vector offset_map.
6045         (do_estimate_edge_time): New vector of known aggregate contents,
6046         passed to functions which need it.
6047         (inline_read_section): Stream new fields of condition.
6048         (inline_write_summary): Likewise.
6049         * ipa-cp.c (ipa_get_indirect_edge_target): Also examine the aggregate
6050         contents.  Let all local callers pass NULL for known_aggs.
6051
6052 2012-08-11  Jan Hubicka  <jh@suse.cz>
6053
6054         * lto-cgraph.c (output_cgraph): Rename to ...
6055         (output_symtab): ... this one. Update for LTO_section_symtab_nodes.
6056         (input_cgraph): Rename to ...
6057         (input_symtab): ... this one. Update for LTO_section_symtab_nodes.
6058         * lto-streamer-out.c (create_output_block): Do not set
6059         section_type.
6060         (produce_asm): Likewise.
6061         (lto_output_toplevel_asms): Likewise.
6062         (produce_asm_for_decls): Likewise.
6063         (lto_output): Use output_symtab.
6064         * lto-section-in.c (lto_section_name): Update.
6065         * lto-section-out.c (lto_destroy_simple_output_block): Remove
6066         section_type.
6067         * lto-streamer.h (enum lto_section_type): Remove LTO_section_varpool;
6068         rename LTO_section_cgraph to LTO_section_symtab_nodes.
6069         (struct lto_header): Remove section_type.
6070
6071 2012-08-11  Jan Hubicka  <jh@suse.cz>
6072
6073         * cgraph.h (vector types for symtab_node): Add.
6074         * ipa-reference.c (ipa_reference_write_optimization_summary): Update
6075         for new symtab encoder.
6076         (ipa_reference_read_optimization_summary): Likewise.
6077         * lto-cgraph.c (output_varpool): Remove.
6078         (input_cgraph_opt_summary): Take symtab nodes vector as argument.
6079         (LTO_cgraph_tags): Rename to ...
6080         (LTO_symtab_tags): ... this one; add LTO_symtab_variable.
6081         (lto_cgraph_encoder_new): Rename to ...
6082         (lto_symtab_encoder_new): ... this on.
6083         (lto_cgraph_encoder_encode): Rename to ...
6084         (lto_symtab_encoder_encode): ... this one.
6085         (lto_cgraph_encoder_delete): Rename to ...
6086         (lto_symtab_encoder_delete): ... this one.
6087         (lto_cgraph_encoder_deref): Rename to ...
6088         (lto_symtab_encoder_deref): ... this one.
6089         (lto_cgraph_encoder_encode_body_p): Rename to ...
6090         (lto_symtab_encoder_encode_body_p): ... this one.
6091         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
6092         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
6093         lto_varpool_encoder_deref): Remove.
6094         (lto_varpool_encoder_encode_initializer_p): Rename to ...
6095         (lto_symtab_encoder_encode_initializer_p): ... this one.
6096         (lto_set_varpool_encoder_encode_initializer): Rename to ...
6097         (lto_set_symtab_encoder_encode_initializer): ... this one.
6098         (lto_output_edge): Update.
6099         (lto_output_node): Update.
6100         (lto_output_varpool_node): Update; stream out LTO_symtab_variable tag.
6101         (lto_output_ref): Drop varpool_encoder; update.
6102         (add_node_to): Update.
6103         (add_references): Update.
6104         (output_outgoing_cgraph_edges): Update.
6105         (output_refs): Update.
6106         (compute_ltrans_boundary): Update.
6107         (output_cgraph): Update; output varpools too.
6108         (input_overwrite_node): Update.
6109         (output_varpool): Remove.
6110         (input_node): Update.
6111         (input_ref): Update.
6112         (input_edge): Update.
6113         (input_cgraph_1): Update; input varpool too; unify fixup code.
6114         (input_varpool_1): Remove.
6115         (input_refs): Update.
6116         (input_cgraph): Update.
6117         (output_node_opt_summary): Update.
6118         (input_cgraph_opt_section): Update.
6119         (input_cgraph_opt_summary): Update.
6120         * ipa-pure-const.c (pure_const_write_summary): Update.
6121         (pure_const_read_summary): Update.
6122         * lto-streamer-out.c (lto_write_tree): Update.
6123         (lto_output): Likewise.
6124         (produce_symtab): Update.
6125         (produce_asm_for_decls): Update.
6126         * ipa-inline-analysis.c (inline_read_section): Update.
6127         (inline_write_summary): Update.
6128         * ipa-prop.c (ipa_write_node_info): Update.
6129         (ipa_prop_read_section): Update.
6130         * lto-streamer.h (lto_cgraph_encoder_d): Rename to ...
6131         (lto_symtab_encoder_d): ... this one;  add initializer.
6132         (lto_cgraph_encoder_t): Rename to ...
6133         (lto_symtab_encoder_t): ... this one.
6134         (lto_cgraph_encoder_size): Rename to ...
6135         (lto_symtab_encoder_size): ... this one.
6136         (lto_varpool_encoder_d): ... remove.
6137         (lto_varpool_encoder_t): Remove.
6138         (lto_out_decl_state): Remove cgraph_node_encoder, varpool_node_encoder
6139         add symtab_node_encoder.
6140         (lto_file_decl_data): Likewise.
6141         (lto_cgraph_encoder_deref, lto_cgraph_encoder_lookup,
6142         lto_cgraph_encoder_new, lto_cgraph_encoder_encode,
6143         lto_cgraph_encoder_delete, lto_cgraph_encoder_encode_body_p,
6144         lto_varpool_encoder_encode_body_p, lto_varpool_encoder_deref,
6145         lto_varpool_encoder_lookup, lto_varpool_encoder_new,
6146         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
6147         lto_varpool_encoder_encode_initializer_p): Remove.
6148         (lto_symtab_encoder_deref, lto_symtab_encoder_lookup,
6149         lto_symtab_encoder_t, lto_symtab_encoder_encode,
6150         lto_symtab_encoder_delete, lto_symtab_encoder_encode_body_p,
6151         lto_symtab_encoder_encode_initializer_p): New.
6152
6153 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
6154
6155         * config/i386/i386.md (isa): Add fma and fma4.
6156         (enabled): Handle fma and fma4.
6157         * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
6158         (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
6159         (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
6160         (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
6161         (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
6162         (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
6163
6164 2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
6165
6166         * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
6167         *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
6168         *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
6169
6170 2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
6171
6172         * config/i386/i386.md (simple LEA peephole2s): Add zero-extend
6173         variants of PLUS and MULT simple LEA patterns.  Disable PLUS
6174         patterns for TARGET_OPT_AGU.
6175
6176 2012-08-10  Richard Guenther  <rguenther@suse.de>
6177
6178         * Makefile.in (OBJS): Remove matrix-reorg.o.
6179         (matrix-reorg.o): Remove dependence rule.
6180         (GTFILES): Remove matrix-reorg.c.
6181         * matrix-reorg.c: Remove.
6182         * passes.c (init_optimization_passes): Do not schedule
6183         pass_ipa_matrix_reorg.
6184         * tree-pass.h (pass_ipa_matrix_reorg): Remove.
6185         * common.opt (fipa-matrix-reorg): Stub out.
6186         * doc/invoke.texi (fipa-matrix-reorg): Remove documentation.
6187
6188 2012-08-10  Richard Guenther  <rguenther@suse.de>
6189
6190         PR middle-end/54219
6191         * fold-const.c (fold_ternary_loc): Do not reverse the mask
6192         when canonicalizing it when folding VEC_PERM_EXPR.
6193
6194 2012-08-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6195
6196         PR middle-end/54211
6197         * gimple-ssa-strength-reduction.c (analyze_candidates_and_replace):
6198         Use cand_type to determine whether pointer arithmetic will be generated.
6199
6200 2012-08-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6201
6202         * doc/sourcebuild.texi: Document long_neq_int effective target.
6203
6204 2012-08-10  Richard Guenther  <rguenther@suse.de>
6205
6206         PR tree-optimization/54109
6207         * tree-ssa-forwprop.c
6208         (forward_propagate_addr_into_variable_array_index): Remove.
6209         (forward_propagate_addr_expr_1): Adjust.
6210
6211 2012-08-10  Richard Guenther  <rguenther@suse.de>
6212
6213         * tree-cfg.c (dump_function_to_file): Make sure to dump
6214         anonymous SSA names when there are no local decls.
6215
6216 2012-08-10  Steven Bosscher  <steven@gcc.gnu.org>
6217
6218         * tree-ssa-pre.c (alloc_expression_id): Fix use of VEC_reserve.
6219         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
6220         (mark_phi_for_rewrite): Likewise.
6221         (compute_global_livein): Use VEC_reserve outside the innermost
6222         loop and VEC_quick_push instead of VEC_safe_push in that loop.
6223         (update_ssa): Re-organize to avoid unnecessary sbitmap_zero'ing
6224         of new_ssa_names and old_ssa_names.  Allocate phis_to_rewrite to
6225         the correct initial size.
6226
6227 2012-08-10  Richard Guenther  <rguenther@suse.de>
6228
6229         * tree-ssa-pre.c (pretemp, storetemp, prephitemp): Remove.
6230         (need_creation): Remove.
6231         (get_representative_for): Use anonymous named SSA names.
6232         (create_expression_by_pieces): Likewise.
6233         (insert_into_preds_of_block): Likewise.
6234         (init_pre): Do not init removed vars.
6235         (fini_pre): Do not free need_creation.
6236         * tree-ssa-forwprop.c (simplify_bitwise_binary): Use anonymous
6237         SSA names.
6238         * tree-ssa-loop-manip.c (create_iv): Likewise.
6239         * value-prof.c (gimple_divmod_fixed_value): Likewise.
6240         (gimple_mod_pow2): Likewise.
6241         (gimple_mod_subtract): Likewise.
6242         (gimple_ic): Likewise.
6243         (gimple_stringop_fixed_value): Likewise.
6244         * tree-ssa-phiopt.c (condstoretemp): Remove.
6245         (tree_ssa_phiopt_worker): Use anonymous named SSA names.
6246         (conditional_replacement): Likewise.
6247         (abs_replacement): Likewise.
6248         (cond_store_replacement): Likewise.
6249         (cond_if_else_store_replacement_1): Likewise.
6250         * tree-ssa-loop-im.c (rewrite_reciprocal): Likewise.
6251         (rewrite_bittest): Likewise.
6252         * tree-ssa-reassoc.c (build_and_add_sum): Get type from callers
6253         and build anonymous SSA names.
6254         (undistribute_ops_list): Adjust.
6255         (eliminate_redundant_comparison): Use anonymous SSA names.
6256         (rewrite_expr_tree_parallel): Likewise.
6257         (get_reassoc_pow_ssa_name): Remove.
6258         (attempt_builtin_powi): Adjust.
6259         (reassociate_bb): Likewise.
6260         * tree-ssa-strlen.c (get_string_length): Use anonymous SSA names.
6261         * tree-switch-conversion.c (emit_case_bit_tests): Likewise.
6262         (build_arrays): Likewise.
6263         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
6264         (create_tailcall_accumulator): Likewise.
6265         * tree-vect-generic.c (expand_vector_divmod): Likewise.
6266         * tree-profile.c (gcov_type_tmp_var): Remove.
6267         (gimple_init_edge_profiler): Do not initialize it and use anonymous
6268         SSA names.
6269         (gimple_gen_ic_profiler): Likewise.
6270         (tree_profiling): Adjust.
6271         * tree-sra.c (build_ref_for_offset): Use anonymous SSA names.
6272         * tree-ssa-math-opts.c (execute_cse_sincos_1): Likewise.
6273         (powi_as_mults_1): Likewise.
6274         (powi_as_mults): Likewise.
6275         (build_and_insert_call): Adjust.
6276         (build_and_insert_binop): Likewise.
6277         (build_and_insert_ref): Likewise.
6278         (build_and_insert_cast): Likewise.
6279         (gimple_expand_builtin_pow): Likewise.
6280         (gimple_expand_builtin_cabs): Likewise.
6281         (execute_optimize_bswap): Use anonymous SSA names.
6282         (convert_mult_to_widen): Likewise.
6283         (convert_plusminus_to_widen): Likewise.
6284         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
6285         * tree-ssa-propagate.c (update_call_from_tree): Likewise.
6286         * tree-if-conv.c (ifc_temp_var): Likewise.
6287         * tree-loop-distribution.c (generate_memset_builtin): Likewise.
6288         * tree-parloops.c (take_address_of): Likewise.
6289         * tree-vect-data-refs.c (vect_permute_store_chain): Likewise.
6290         (vect_permute_load_chain): Likewise.
6291         * tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Likewise.
6292         * tree-vect-patterns.c (vect_recog_temp_ssa_var): Likewise.
6293         (vect_handle_widen_op_by_const): Likewise.
6294         (vect_operation_fits_smaller_type): Likewise.
6295         (vect_recog_over_widening_pattern): Likewise.
6296         * tree-vect-stmts.c (vect_init_vector): Likewise.
6297         * tree-vrp.c (simplify_truth_ops_using_ranges): Likewise.
6298         (simplify_float_conversion_using_ranges): Likewise.
6299
6300 2012-08-10  Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
6301
6302         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Fix
6303         target mask of __builtin_ia32_rdseed_di_step builtin.
6304
6305 2012-08-10  Richard Guenther  <rguenther@suse.de>
6306
6307         PR tree-optimization/54027
6308         * tree-vrp.c (extract_range_from_binary_expr_1): Merge RSHIFT_EXPR
6309         and LSHIFT_EXPR handling, force -fwrapv for the multiplication used
6310         to handle LSHIFT_EXPR with a constant.
6311
6312 2012-08-10  Richard Guenther  <rguenther@suse.de>
6313
6314         * tree.h (SSA_NAME_VAR): Return NULL_TREE if an IDENTIFIER_NODE
6315         is recorded as var.
6316         (SSA_NAME_IDENTIFIER): Return the IDENTIFIER_NODE of the SSA_NAME
6317         or its SSA_NAME_VAR.
6318         (SET_SSA_NAME_VAR_OR_IDENTIFIER): New setter.
6319         * tree-ssanames.c (make_ssa_name_fn): Handle creating anonymous
6320         SSA names by passing a type instead of a variable decl.
6321         (release_ssa_name): Use SET_SSA_NAME_VAR_OR_IDENTIFIER.
6322         (copy_ssa_name_fn): Handle anonymous SSA names.
6323         (replace_ssa_name_symbol): Use SET_SSA_NAME_VAR_OR_IDENTIFIER.
6324         * tree-flow-inline.h (make_temp_ssa_name): New inline function.
6325         * tree-pretty-print.c (dump_generic_node): Use SSA_NAME_IDENTIFIER,
6326         dump SSA names without a name as <anon>.
6327         * cfgexpand.c (expand_used_vars): Assing anonymous SSA names we are
6328         going to expand a decl.
6329         (gimple_expand_cfg): Assign all SSA names of a partition the
6330         decl we created for its leader.
6331         * tree-ssa.c (target_for_debug_bind): Handle SSA_NAMEs.
6332         (verify_ssa_name): Handle anonymous SSA names.
6333         (verify_def): Likewise.
6334         * tree-predcom.c (eliminate_temp_copies): Likewise.
6335         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
6336         * tree-ssa-live.c (var_map_base_init): Compute conflicts for
6337         anonymous SSA names with the same type.
6338         (mark_all_vars_used_1): Handle anonymous SSA names.
6339         (verify_live_on_entry): Likewise.
6340         * tree-ssa-coalesce.c (abnormal_corrupt): Remove.
6341         (create_outofssa_var_map): Adjust with respect to conflicts we
6342         compute for anonymous SSA names.  Do not restrict abnormal
6343         coalescing.
6344         (coalesce_partitions): Do not restrict abnormal coalescing.
6345         Assert we only ever coalesce variables we computed conflicts for.
6346         * tree-ssa-ter.c (process_replaceable): Do not restrict TER
6347         of anonymous names.
6348         * expr.c (expand_expr_real_1): Handle anonymous SSA names
6349         expanded from IVOPTs by creating a raw REG here.
6350         * tree-cfg.c (replace_ssa_name): Handle anonymous SSA names.
6351         (dump_function_to_file): Dump anonymous SSA names alongside
6352         with their types in the variable list.
6353         (verify_gimple_return): Guard use of SSA_NAME_VAR.
6354         * tree-into-ssa.c (mark_for_renaming): Handle a NULL symbol.
6355         (rewrite_into_ssa): Make SSA names anonymous.
6356         * tree-ssa-structalias.c (alias_get_name): Rewrite.
6357         * tree-ssa-uninit.c (ssa_undefined_value_p): Handle anonymous
6358         SSA names.
6359         (warn_uninitialized_phi): Likewise.
6360         * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Defer expanding
6361         anonymous SSA names to the expander.
6362         (determine_iv_cost): Anonymous SSA names are artificial.
6363         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
6364         Handle anonymous SSA names.
6365         * lto-streamer-out.c (output_ssa_names): Stream SSA_NAME_VAR
6366         or if NULL, the type of the SSA name.
6367         * tree-inline.c (remap_ssa_name): Handle anonymous SSA names,
6368         remap names as anonymous where appropriate.
6369         (insert_init_stmt): Pass SSA names down to insert_init_debug_bind.
6370         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Adjust
6371         according to what we create conflicts for in out-of-SSA
6372         coalescing.
6373         * tree-parloops.c (separate_decls_in_region_name): Handle
6374         anonymous SSA names.
6375         (add_field_for_name): Likewise.
6376         * tree.c (get_name): Handle SSA names.
6377         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Defer to get_name for
6378         SSA_NAMEs.
6379         * tree-vect-loop-manip.c (adjust_debug_stmts): Use
6380         virtual_operand_p.
6381         * tree-sra.c (create_access_replacement): Give up generating
6382         a DECL_DEBUG_EXPR for SSA names in the memory reference.
6383         (replace_removed_params_ssa_names): Guard use of SSA_NAME_VAR.
6384         * tree-complex.c (get_component_ssa_name): Handle anonymous
6385         SSA names.
6386         (set_component_ssa_name): Likewise.
6387         * tree-ssa-sccvn.c (visit_reference_op_load): Likewise.
6388         * tree-object-size.c (collect_object_sizes_for): Handle
6389         uninitialized SSA names properly.
6390         * ipa-inline-analysis.c (eliminated_by_inlining_prob): Guard use of
6391         SSA_NAME_VAR.
6392         * ipa-split.c (test_nonssa_use): Likewise.
6393         (consider_split): Likewise.
6394         (mark_nonssa_use): Likewise.
6395
6396 2012-08-09  Jan Hubicka  <jh@suse.cz>
6397
6398         PR middle-end/54146
6399         * ipa-inline-transform.c (inline_call): Add UPDATE_OVERALL_SUMMARY
6400         parameter; honnor it.
6401         * ipa-inline.c (recursive_inlining): Update call
6402         of inline_call.
6403         (inline_small_functions): Likewise.
6404         (ipa_inline): Likewise.
6405         (inline_always_inline_functions): Likewise.
6406         (early_inline_small_functions): Likewise.
6407         (flatten_function): Do separate update of summary info.
6408         * ipa-inline.h (inline_update_overall_summary): Declare.
6409         (inline_call): Update.
6410         * ipa-inline-analysis.c (inline_merge_summary): Break out
6411         updating code to ...
6412         (inline_update_overall_summary): Likewise.
6413
6414 2012-08-09  Richard Henderson  <rth@redhat.com>
6415
6416         * config/s390/s390.c (s390_expand_insv): Use VOIDmode in gen_rtx_SET.
6417
6418         * config/s390/s390.c (s390_expand_cs_hqi): Copy val to a temp before
6419         performing the compare for the restart loop.
6420
6421 2012-08-09  DJ Delorie  <dj@redhat.com>
6422
6423         * config/rl78/rl78.c (rl78_alloc_physical_registers): Check for
6424         SET before extracting SET_SRC.
6425         (rl78_remove_unused_sets): Check for REG before extractnig REGNO.
6426
6427 2012-08-09  Oleg Endo  <olegendo@gcc.gnu.org>
6428
6429         PR target/54089
6430         * config/sh/sh-protos (shift_insns_rtx): Delete.
6431         (sh_ashlsi_clobbers_t_reg_p): Add.
6432         * config/sh/sh.c (shift_insns, shift_amounts, ext_shift_insns,
6433         ext_shift_amounts): Merge arrays of ints to array of structs.
6434         Adapt usage of arrays throughout the file.
6435         (shift_insns_rtx): Delete unused function.
6436         (sh_ashlsi_clobbers_t_reg_p): New function.
6437         * config/sh/sh.md (ashlsi3): Emit ashlsi3_n_clobbers_t insn if the
6438         final shift sequence will clobber T_REG.
6439         (ashlsi3_n): Split only if the final shift sequence will not
6440         clobber T_REG.
6441         (ashlsi3_n_clobbers_t): New insn_and_split.
6442
6443 2012-08-09  Steven Bosscher  <steven@gcc.gnu.org>
6444
6445         * calls.c (mem_overlaps_already_clobbered_arg_p): Use SBITMAP_SIZE
6446         instead of looking at sbitmap n_bits member directly.
6447         * gcse.c (hoist_code): Likewise.
6448         * sched-rgn.c (split_edges): Likewise.
6449         * tree-into-ssa.c (is_old_name, is_new_name, add_new_name_mapping,
6450         update_ssa): Likewise.
6451
6452 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
6453
6454         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Return preferred
6455         single unit register class for classes that contain registers form
6456         multiple units.
6457         (REG_CLASS_CONTENTS): Add missing "frame" register to FLOAT_INT_REGS,
6458         INT_SSE_REGS and FLOAT_INT_SSE_REGS register classes.
6459
6460 2012-08-09  Martin Jambor  <mjambor@suse.cz>
6461
6462         * cgraph.h (cgraph_indirect_call_info): Field anc_offse renamd to
6463         offset, updated all users.  New field agg_contents.
6464         * ipa-prop.h (jump_func_type): Removed IPA_JF_CONST_MEMBER_PTR.
6465         (ipa_pass_through_data): New field agg_preserved.
6466         (ipa_ancestor_jf_data): Likewise.
6467         (ipa_member_ptr_cst): Removed.
6468         (ipa_agg_jf_item): New type.
6469         (ipa_agg_jump_function): Likewise.
6470         (ipa_jump_func): New field agg.  Removed field member_cst.
6471         (ipa_get_jf_pass_through_agg_preserved): New function.
6472         (ipa_get_jf_ancestor_agg_preserved): Likewise.
6473         (ipa_get_jf_member_ptr_pfn): Removed.
6474         (ipa_find_agg_cst_for_param): Declare.
6475         (ipa_load_from_parm_agg): Likewise.
6476         * ipa-prop.c (param_analysis_info): Fields modified and
6477         visited_statements rename to parm_modified and parm_visited_statements
6478         respectively, added fields ref_modified, ref_visited_statements,
6479         pt_modified and pt_visited_statements.
6480         (ipa_print_node_jump_functions_for_edge): Do not dump const member
6481         functions.  Dump agg_preserved flags and aggregate jump functions.
6482         (ipa_set_jf_simple_pass_through): Set also agg_preserved.
6483         (ipa_set_ancestor_jf): Likewise.
6484         (ipa_set_jf_arith_pass_through): Clear agg_preserved.
6485         (ipa_set_jf_member_ptr_cst): Removed.
6486         (is_parm_modified_before_stmt): Logic reversed, renamed to
6487         parm_preserved_before_stmt_p.  Cache visited bitmap only for
6488         naked DECL parameters.  All callers updated.
6489         (load_from_unmodified_param): Allow NULL parms_ainfo.
6490         (parm_ref_data_preserved_p): New function.
6491         (parm_ref_data_pass_through_p): Likewise.
6492         (ipa_load_from_parm_agg_1): Likewise.
6493         (ipa_load_from_parm_agg): Likewise.
6494         (compute_complex_assign_jump_func): Check if aggregate contents are
6495         preserved.
6496         (compute_complex_ancestor_jump_func): Likewise.
6497         (compute_scalar_jump_functions): Removed.
6498         (type_like_member_ptr_p): Also check field position are known and sane.
6499         (compute_pass_through_member_ptrs): Removed.
6500         (determine_cst_member_ptr): Likewise.
6501         (ipa_known_agg_contents_list): New type.
6502         (determine_known_aggregate_parts): New function.
6503         (compute_cst_member_ptr_arguments): Removed.
6504         (ipa_compute_jump_functions_for_edge): Compute all kinds of jump
6505         functions (scalar, aggregate and member pointer).
6506         (ipa_get_member_ptr_load_param): Incorporate into
6507         ipa_get_stmt_member_ptr_load_param, also pass back an offset.
6508         (ipa_note_param_call): Clear agg_contents.
6509         (ipa_analyze_indirect_call_uses): Also look for simple pointers loaded
6510         from aggregates.  In such cases, store offset of the called field.
6511         (ipa_analyze_node): Initialize new fields of param_analysis_info.
6512         (update_jump_functions_after_inlining): Handle aggregate contents.
6513         (ipa_find_agg_cst_for_param): New function.
6514         (try_make_edge_direct_simple_call): Handle called aggregate values.
6515         (update_indirect_edges_after_inlining): Make sure aggregate preserving
6516         jump functions comply with type compatibility requirements.
6517         (ipa_edge_duplication_hook): Copy also aggregate jump functions.
6518         (ipa_write_jump_function): Stream agg_preserved flags and aggregate
6519         jump functions.  Do not stream member pointer constant jump functions.
6520         (ipa_read_jump_function): Likewise.
6521         (ipa_write_indirect_edge_info): Stream new cgraph_indirect_call_info
6522         fields.
6523         (ipa_read_indirect_edge_info): Likewise.
6524
6525 2012-08-09  Oleg Endo  <olegendo@gcc.gnu.org>
6526
6527         PR target/39423
6528         * config/sh/predicates.md (mem_index_disp_operand): New predicate.
6529         * config/sh/sh.md (*movsi_index_disp): Rewrite insns to use the new
6530         mem_index_disp_operand predicate.
6531
6532 2012-08-09  Oleg Endo  <olegendo@gcc.gnu.org>
6533
6534         PR target/51244
6535         * config/sh/sh.md: Add negc extu sequence peephole.
6536         (movrt, movnegt, movrt_negc, nott): Use t_reg_operand predicate.
6537         (*movrt_negc): New insn.
6538         * config/sh/sync.md (atomic_test_and_set): Pass gen_t_reg_rtx to
6539         gen_movnegt.
6540         * config/sh/sh.c (expand_cbranchsi4, sh_emit_scc_to_t,
6541         sh_emit_compare_and_branch, sh_emit_compare_and_set): Use
6542         get_t_reg_rtx.
6543         (sh_expand_t_scc): Pass gen_t_reg_rtx to gen_movnegt.
6544
6545 2012-08-09  Oleg Endo  <olegendo@gcc.gnu.org>
6546
6547         PR target/50751
6548         * config/sh/sh.md (*extendqisi2_compact_reg, *extendhisi2_compact_reg):
6549         Use arith_reg_operand predicate instead of register_operand.
6550         * config/sh/predicates.md (movsrc_no_disp_mem_operand): Accept
6551         only mem, simplify.
6552
6553 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
6554
6555         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
6556         (alpha_pad_function_end): ... this.  Also insert NOP between
6557         sibling call and GP load.
6558         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
6559
6560 2012-08-09  Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
6561
6562         * config/i386/adxintrin.h: Remove guarding __ADX__ check.
6563         * config/i386/x86intrin.h: Likewise.
6564         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove
6565         OPTION_MASK_ISA_ADX from needed options for
6566         __builtin_ia32_addcarryx_u32 and __builtin_ia32_addcarryx_u64.
6567         (ix86_expand_builtin): Use add<mode>3_carry in expanding of
6568         IX86_BUILTIN_ADDCARRYX32 and IX86_BUILTIN_ADDCARRYX64.
6569
6570 2012-08-09  Andrey Belevantsev  <abel@ispras.ru>
6571
6572         PR rtl-optimization/53701
6573         * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
6574         Process not only expr's vinsns but all old vinsns from expr's
6575         history of changes.
6576         (update_and_record_unavailable_insns): Clarify comment.
6577
6578 2012-08-09  Bernd Schmidt  <bernds@codesourcery.com>
6579
6580         * reload.c (find_valid_class_1): New static function.
6581         (push_reload): Use it when reloading a SYMBOL_REG as the inner
6582         of a subreg.  Keep better track of needed classes for the
6583         secondary memory case.
6584         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Limit INT_SSE_REGS to
6585         GENERAL_REGS.
6586         * reload1.c (replaced_subreg): New static function.
6587         (gen_reload): Use it when deciding whether to use secondary
6588         memory.
6589
6590 2012-08-09  Richard Guenther  <rguenther@suse.de>
6591
6592         * tree.h (SSA_VAR_P): Simplify.
6593         * tree-ssanames.c (make_ssa_name_fn): Strengthen assert.
6594         * fold-const.c (fold_comparison): Check for default def first
6595         before checking for PARM_DECL.
6596         * tree-complex.c (get_component_ssa_name): Likewise.
6597         * tree-inline.c (remap_ssa_name): Likewise.
6598         * tree-ssa-loop-ivopts.c (parm_decl_cost): Likewise.
6599         * tree-ssa-structalias.c (get_fi_for_callee): Likewise.
6600         (find_what_p_points_to): Likewise.
6601         * tree-ssa-operands.c (add_stmt_operand): Simplify.
6602
6603 2012-08-08  Joseph Myers  <joseph@codesourcery.com>
6604
6605         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
6606         IOR to a constant if one operand has side effects.
6607
6608 2012-08-08  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6609
6610         * builtins.c (expand_builtin_atomic_compare_exchange): Pass old
6611         value operand as MEM to expand_atomic_compare_and_swap.
6612
6613         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Accept
6614         nonimmediate_operand for old value; generate load and store if
6615         needed.
6616         * config/s390/s390.c (s390_expand_cs_hqi): Accept any operand
6617         as vtarget.
6618
6619 2012-08-08  Steven Bosscher  <steven@gcc.gnu.org>
6620
6621         PR middle-end/54146
6622         * gimpify.c (gimplify_body): Only verify_gimple_in_seq with
6623         checking enabled.
6624         * tree-ssa-loop-manip.c (add_exit_phis_var): Assert that var is
6625         a gimple_reg if checking is enabled.
6626         (find_uses_to_rename_stmt): Only look at non-virtual USE operands.
6627         * tree-into-ssa (compute_global_livein): Change the worklist
6628         type from an array to a VEC.
6629
6630 2012-08-08  Richard Guenther  <rguenther@suse.de>
6631
6632         * tree-ssa-operands.h (virtual_operand_p): Declare.
6633         * tree-ssa-operands.c (virtual_operand_p): New predicate.
6634         * gimple.c (is_gimple_reg): Use virtual_operand_p.
6635         * tree-into-ssa.c (prepare_block_for_update): Likewise.
6636         * tree-vect-loop-manip.c (adjust_debug_stmts): Likewise.
6637
6638 2012-08-08  Richard Guenther  <rguenther@suse.de>
6639
6640         * tree-call-cdce.c (check_pow): Simplify.
6641         (gen_conditions_for_pow_int_base): Likewise.
6642         * tree-ssa-dom.c (propagate_rhs_into_lhs): Do not handle
6643         virtual operands here.
6644         * tree-ssa-operands.c (get_name_decl): Remove unused function.
6645         * gimplify.c (gimple_regimplify_operands): Remove dead code.
6646         * tree-vrp.c (get_value_range): Move SSA_NAME_VAR access.
6647         * tree-parloops.c (create_phi_for_local_result): Use copy_ssa_name.
6648         * value-prof.c (gimple_ic): Use duplicate_ssa_name.
6649         (gimple_stringop_fixed_value): Likewise.
6650         * tree.c (needs_to_live_in_memory): Remove SSA name handling.
6651         * tree-stdarg.c (find_va_list_reference): Store SSA_NAME_VERSIONs
6652         in the bitmap alongside shifted DECL_UIDs.
6653         (va_list_counter_struct_op): Likewise.
6654         (va_list_ptr_read): Likewise.
6655         (va_list_ptr_write): Likewise.
6656         (check_va_list_escapes): Likewise.
6657         (check_all_va_list_escapes): Likewise.
6658         (execute_optimize_stdarg): Likewise.
6659         * tree-outof-ssa.c (insert_backedge_copies): Use copy_ssa_name.
6660
6661 2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
6662             H.J. Lu  <hongjiu.lu@intel.com>
6663
6664         PR rtl-optimization/54157
6665         * combine.c (gen_lowpart_for_combine): Don't return identity
6666         for CONST or symbolic reference.
6667
6668 2012-08-08  Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
6669
6670         * common/config/i386/i386-common.c (OPTION_MASK_ISA_ADX_SET): New.
6671         (OPTION_MASK_ISA_ADX_UNSET): Likewise.
6672         (ix86_handle_option): Handle madx option.
6673         * config.gcc (i[34567]86-*-*): Add adxintrin.h.
6674         (x86_64-*-*): Likewise.
6675         * config/i386/adxintrin.h: New header.
6676         * config/i386/driver-i386.c (host_detect_local_cpu): Detect ADCX/ADOX
6677         support.
6678         * config/i386/i386-builtin-types.def
6679         (UCHAR_FTYPE_UCHAR_UINT_UINT_PUNSIGNED): New function type.
6680         (UCHAR_FTYPE_UCHAR_ULONGLONG_ULONGLONG_PULONGLONG): Likewise.
6681         * config/i386/i386-c.c: Define __ADX__ if needed.
6682         * config/i386/i386.c (ix86_target_string): Define -madx option.
6683         (PTA_ADX): New.
6684         (ix86_option_override_internal): Handle new option.
6685         (ix86_valid_target_attribute_inner_p): Add OPT_madx.
6686         (ix86_builtins): Add IX86_BUILTIN_ADDCARRYX32,
6687         IX86_BUILTIN_ADDCARRYX64.
6688         (ix86_init_mmx_sse_builtins): Define corresponding built-ins.
6689         (ix86_expand_builtin): Handle these built-ins.
6690         (ix86_expand_args_builtin): Handle new function types.
6691         * config/i386/i386.h (TARGET_ADX): New.
6692         * config/i386/i386.md (adcx<mode>3): New define_insn.
6693         * config/i386/i386.opt (madx): New.
6694         * config/i386/x86intrin.h: Include adxintrin.h.
6695
6696 2012-08-08  Nick Clifton  <nickc@redhat.com>
6697
6698         * config/rl78/rl78.c: Include tree-pass.h.
6699
6700 2012-08-08  Steven Bosscher  <steven@gcc.gnu.org>
6701
6702         PR middle-end/54146
6703         * ira.c (init_live_subregs): Take live_subregs_used as a bitmap.
6704         (build_insn_chain): Make live_subregs_used a bitmap.
6705         Use SBITMAP_SIZE to ignore the paradoxical bytes of subregs.
6706         Use sbitmap_free to free the live_subreg sbitmaps.
6707
6708         PR middle-end/54146
6709         * ifcvt.c: Include pointer-set.h.
6710         (cond_move_process_if_block): Change type of then_regs and
6711         else_regs from alloca'd array to pointer_sets.
6712         (check_cond_move_block): Update for this change.
6713         (cond_move_convert_if_block): Likewise.
6714         * Makefile.in: Fix dependencies for ifcvt.o.
6715
6716 2012-08-07  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6717
6718         * gimple-ssa-strength-reduction.c (struct incr_info_d): New struct.
6719         (incr_vec): New static var.
6720         (incr_vec_len): Likewise.
6721         (address_arithmetic_p): Likewise.
6722         (stmt_cost): Remove dead assignment.
6723         (dump_incr_vec): New function.
6724         (cand_abs_increment): Likewise.
6725         (lazy_create_slsr_reg): Likewise.
6726         (incr_vec_index): Likewise.
6727         (count_candidates): Likewise.
6728         (record_increment): Likewise.
6729         (record_increments): Likewise.
6730         (unreplaced_cand_in_tree): Likewise.
6731         (optimize_cands_for_speed_p): Likewise.
6732         (lowest_cost_path): Likewise.
6733         (total_savings): Likewise.
6734         (analyze_increments): Likewise.
6735         (ncd_for_two_cands): Likewise.
6736         (nearest_common_dominator_for_cands): Likewise.
6737         (profitable_increment_p): Likewise.
6738         (insert_initializers): Likewise.
6739         (introduce_cast_before_cand): Likewise.
6740         (replace_rhs_if_not_dup): Likewise.
6741         (replace_one_candidate): Likewise.
6742         (replace_profitable_candidates): Likewise.
6743         (analyze_candidates_and_replace): Handle candidates with SSA-name
6744         strides.
6745
6746 2012-08-07  Steven Bosscher  <steven@gcc.gnu.org>
6747
6748         * cfg.c (debug_bb): Do not set TDF_BLOCKS.
6749         * cfghooks.c (dump_bb): Honor ~TDF_BLOCKS.
6750         * pretty-print.c (pp_base_flush): Do not add a newline, and do not
6751         clear pp_needs_newline.
6752         * pretty-print.h (pp_newline_and_flush): New macro with the behavior
6753         of pp_base_flush before the above change.
6754         * langhooks.c (lhd_print_error_function): Use pp_newline_and_flush
6755         instead of pp_flush.
6756         * diagnostic.c (diagnostic_finish): Likewise.
6757         (diagnostic_report_diagnostic): Likewise.
6758         (verbatim): Likewise.
6759         (error_recursion): Likewise.
6760         * tree-pretty-print.c (print_generic_stmt): Likewise.
6761         (print_generic_stmt_indented): LIkewise.
6762         * gimple-pretty-print.c (print_gimple_stmt): Likewise.
6763         (print_gimple_seq): Likewise.
6764         (gimple_dump_bb_buff): Likewise.
6765
6766 2012-08-07  Uros Bizjak  <ubizjak@gmail.com>
6767
6768         PR debug/54177
6769         * var-tracking.c (var_lowpart): Exit early for matched modes.
6770
6771 2012-08-07  Richard Henderson  <rth@redhat.com>
6772
6773         * config/s390/s390.c (s390_emit_compare_and_swap): Update for
6774         atomic_compare_and_swapsi_internal name change.
6775         (s390_expand_insv): Try RISBG last, not requiring operands in
6776         registers but forcing them there.  Try a limited form of ICM.
6777         (s390_two_part_insv): New.
6778         (s390_expand_cs_hqi): Use it.  Update for atomic optabs.
6779         * config/s390/s390.md (UNSPEC_MOVA): New.
6780         (TDSI): Remove mode iterator.
6781         (DGPR, DINT, TDI): New mode iterators.
6782         (td): New mode attribute.
6783         (mem_signal_fence): New.
6784         (mem_thread_fence): Rename from memory_barrier; update for model arg.
6785         (mem_thread_fence_1): Rename from *memory_barrier.
6786         (atomic_load<DINT>, atomic_store<DINT>): New expanders.
6787         (atomic_loaddi_1, atomic_loadti_1): New.
6788         (atomic_storedi_1, atomic_storeti_1): New.
6789         (sync_compare_and_swap<TDSI>, sync_compare_and_swap<HQI>): Remove.
6790         (atomic_compare_and_swap<DGPR>, atomic_compare_and_swap<HQI>): New.
6791         (atomic_compare_and_swap<DGPR>_internal): New.
6792         (*sync_compare_and_swap<DW>, *sync_compare_and_swap<GPR>): Remove.
6793         (*atomic_compare_and_swap<TDI>_1): New.
6794         (*atomic_compare_and_swapdi_2, *atomic_compare_and_swapsi_3): New.
6795         (sync_<ATOMIC_Z196><GPR>, sync_old_<ATOMIC_Z196><GPR>): Remove.
6796         (atomic_fetch_<ATOMIC_Z196><GPR>): New.
6797         (atomic_fetch_<ATOMC_Z196><GPR>_iaf): New.
6798         (sync_<ATOMIC><HQI>, sync_old_<ATOMIC><HQI>): Remove.
6799         (sync_new_<ATOMIC><HQI>): Remove.
6800         (atomic_<ATOMIC><HQI>, atomic_fetch_<ATOMIC><HQI>): New.
6801         (atomic_<ATOMIC>_fetch<HQI>): New.
6802         (sync_lock_test_and_set<HQI>): Remove.
6803         (atomic_exchange<HQI>): New.
6804
6805 2012-08-07  Paul Brook  <paul@codesourcery.com>
6806             Sandra Loosemore  <sandra@codesourcery.com>
6807
6808         * except.c (switch_to_exception_section): Place tables for
6809         DECL_ONE_ONLY functions in comdat groups.
6810
6811 2012-08-07  Richard Guenther  <rguenther@suse.de>
6812
6813         * tree-flow.h (copy_ssa_name_fn): New function.
6814         (duplicate_ssa_name_fn): Likewise.
6815         * tree-flow-inline.h (copy_ssa_name): New function.
6816         (duplicate_ssa_name): Likewise.
6817         * tree-ssanames.c (copy_ssa_name_fn): New function.
6818         (duplicate_ssa_name): Rename to ...
6819         (duplicate_ssa_name_fn): ... this and adjust.
6820         * tree-tailcall.c (update_accumulator_with_ops): Use copy_ssa_name.
6821         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
6822         Likewise.
6823         (slpeel_update_phi_nodes_for_guard2): Likewise.
6824         (slpeel_tree_peel_loop_to_edge): Likewise.
6825         (vect_loop_versioning): Likewise.
6826         * tree-parloops.c (transform_to_exit_first_loop): Likewise.
6827         (create_parallel_loop): Likewise.
6828         * ipa-split.c (split_function): Likewise.
6829         * tree-vect-loop.c (vect_is_simple_reduction_1): Likewise.
6830         (vect_create_epilog_for_reduction): Likewise.
6831         * tree-vect-data-refs.c (bump_vector_ptr): Likewise.
6832         (vect_setup_realignment): Likewise.
6833         * tree-vect-stmts.c (vectorizable_load): Likewise.
6834         * tree-switch-conversion.c (build_one_array): Likewise.
6835         (gen_def_assigns): Likewise.
6836         * tree-cfg.c (gimple_make_forwarder_block): Likewise.
6837         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
6838         create_zero_dim_array with the SSA name.
6839         (rewrite_phi_out_of_ssa): Likewise.
6840         (rewrite_cross_bb_scalar_dependence): Likewise.  Use copy_ssa_name.
6841
6842 2012-08-07  Richard Guenther  <rguenther@suse.de>
6843
6844         * tree-dfa.c (set_ssa_default_def): Clear the SSA_NAME_DEFAULT_DEF
6845         bit of the old name when we clear the slot.
6846         * tree-ssa-live.c (remove_unused_locals): Release any default
6847         def associated with an unused var.
6848         * tree-ssa-copy.c (may_propagate_copy_into_asm): Always return true.
6849
6850 2012-08-07  Richard Guenther  <rguenther@suse.de>
6851
6852         * tree-into-ssa.c (rewrite_stmt): Remove clobbers for variables
6853         we rewrite into SSA form.
6854         (rewrite_enter_block): Adjust.
6855         * gimple-iterator.c (gsi_replace): Also allow replacement with
6856         a stmt without a lhs.
6857         * tree-ssa-live.c (remove_unused_locals): Remove code handling
6858         clobbers of SSA names.
6859         * tree-nested.c (convert_local_reference_stmt): Remove clobbers
6860         for variables we access through the local chain.
6861         * tree-cfg.c (verify_gimple_assign_single): Verify clobbers
6862         clobber full decls only.
6863
6864 2012-08-07  Richard Guenther  <rguenther@suse.de>
6865
6866         * gimple.h (gimple_phi_set_result): Adjust SSA_NAME_DEF_STMT.
6867         * tree-phinodes.c (make_phi_node): Allow a NULL var.
6868         * tree-into-ssa.c (insert_phi_nodes_for): Simplify.
6869         * tree-complex.c (update_phi_components): Likewise.
6870         * tree-ssa-loop-manip.c (create_iv): Likewise.
6871         (add_exit_phis_edge): Likewise.
6872         (split_loop_exit_edge): Likewise.
6873         (tree_transform_and_unroll_loop): Likewise.
6874         * value-prof.c (gimple_ic): Likewise.
6875         (gimple_stringop_fixed_value): Likewise.
6876         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
6877         * omp-low.c (expand_parallel_call): Likewise.
6878         (expand_omp_for_static_chunk): Likewise.
6879         (expand_omp_atomic_pipeline): Likewise.
6880         * tree-parloops.c (create_phi_for_local_result): Likewise.
6881         (transform_to_exit_first_loop): Likewise.
6882         * tree-vect-data-refs.c (vect_setup_realignment): Likewise.
6883         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Likewise.
6884         * tree-predcom.c (initialize_root_vars): Likewise.
6885         (initialize_root_vars_lm): Likewise.
6886         * sese.c (sese_add_exit_phis_edge): Likewise.
6887         * gimple-streamer-in.c (input_phi): Likewise.
6888         * tree-inline.c (copy_phis_for_bb): Likewise.
6889         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
6890         * tree-cfg.c (gimple_make_forwarder_block): Likewise.
6891         (gimple_duplicate_bb): Likewise.
6892
6893 2012-08-07  Nick Clifton  <nickc@redhat.com>
6894
6895         * config/mn10300/mn10300.c (mn10300_expand_prologue): Report
6896         stack usage if requested.
6897
6898 2012-08-06  Cary Coutant  <ccoutant@google.com>
6899
6900         * cgraphunit.c (assemble_thunk): Add source line info.
6901         * final.c (final): Check for non-null cfg pointer.
6902
6903 2012-08-06  Sandra Loosemore  <sandra@codesourcery.com>
6904             Maxim Kuvyrkov  <maxim@codesourcery.com>
6905             Julian Brown  <julian@codesourcery.com>
6906
6907         * config/mips/24k.md (r24k_unknown_store): Delete special handling
6908         for cprestore.
6909         (r24k_int_load, r24k_int_arith, r24k_int_mul3, r24k_int_mfhilo)
6910         (r24k_int_cop, r24k_int_multi)
6911         (r24kf2_1_fcvt_f2i, r24kf2_1_fxfer)
6912         (r24kf1_1_fcvt_f2i, r24kf1_1_fxfer): Use mips_store_data_bypass_p
6913         instead of store_data_bypass_p.
6914         * config/mips/74k.md (r74k_int_store): Delete special handling for
6915         cprestore.
6916         (r74k_int_load, r74k_int_logical, r74k_int_arith, r74k_int_cmove):
6917         Use mips_store_data_bypass_p instead of store_data_bypass_p.
6918
6919 2012-08-06  Marc Glisse  <marc.glisse@inria.fr>
6920
6921         PR tree-optimization/51938
6922         PR tree-optimization/52005
6923         * tree-ssa-ifcombine.c (ifcombine_ifandif): New parameters for
6924         inverted conditions.
6925         (ifcombine_iforif): Remove, merge code into ifcombine_ifandif.
6926         (tree_ssa_ifcombine_bb): Update calls to the above. Detect !a&&b
6927         and !a||b patterns.
6928
6929 2012-08-06  Olivier Hainque  <hainque@adacore.com>
6930
6931         * tree-emutls.c (new_emutls_decl): When a var_section is requested by
6932         the target, attach the new decl to that, not to the template section.
6933
6934 2012-08-06  Tom de Vries  <tom@codesourcery.com>
6935
6936         * tree-switch-conversion.c (emit_case_bit_tests): Generate MINUS_EXPR in
6937         unsigned type.
6938
6939 2012-08-05  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
6940
6941         * doc/invoke.texi: Document AMD btver2.
6942         * doc/extend.texi: Document AMD btver1 and btver2.
6943
6944 2012-08-04  Sandra Loosemore  <sandra@codesourcery.com>
6945             Richard Sandiford  <rdsandiford@googlemail.com>
6946
6947         * config/mips/mips.c (mips_option_override): Check -fpic
6948         for compatibility with -mabicalls and ABI.
6949
6950 2012-08-04  Catherine Moore  <clm@codesourcery.com>
6951             Sandra Loosemore  <sandra@codesourcery.com>
6952
6953         * config/mips/xlr.md (ir_xlr_alu_clz): New insn_reservation.
6954         (ir_xlr_alu): Remove clz.
6955         * config/mips/mips-cpus.def (xlr): Set PTF_AVOID_BRANCHLIKELY.
6956
6957 2012-08-04  Richard Earnshaw  <rearnsha@arm.com>
6958
6959         * arm.c (arm_gen_constant): Use SImode when preparing operands for
6960         gen_extzv_t2.
6961
6962 2012-08-04  Uros Bizjak  <ubizjak@gmail.com>
6963
6964         * config/i386/i386.h (QI_REGNO_P): New define.
6965         (ANY_QI_REGNO_P): Ditto.
6966         (GENERAL_REGNO_P): Use IN_RANGE macro.
6967         (QI_REG_P): Use QI_REGNO_P.
6968         (ANY_QI_REG_P): Use GENERAL_REGNO_P and QI_REGNO_P.
6969         (HARD_REGNO_CALLER_SAVE_MODE): Use QI_REGNO_P.
6970         * config/i386/i386.c (ix86_hard_regno_mode_ok): Ditto.
6971         (x86_extended_QIreg_mentioned_p): Ditto.  Also check if
6972         register is a general register.
6973
6974 2012-08-03  Uros Bizjak  <ubizjak@gmail.com>
6975
6976         * config/i386/sync.md (*atomic_fetch_add_cmp<mode>): Use
6977         incdec_operand predicate to return INC or DEC insn mnemonic.
6978         Add %K operand modifier.
6979         (atomic_add<mode>): Use incdec_operand predicate to
6980         return INC or DEC insn mnemonic.
6981         (atomic_dec<mode>): Ditto.
6982
6983 2012-08-03  Michael Matz  <matz@suse.de>
6984
6985         PR tree-optimization/54146
6986         * cfgexpand.c (add_scope_conflicts_1): Use bitmap_ior_into.
6987         (add_scope_conflicts): Iterate in RPO order.
6988         (add_stack_protection_conflicts): Iterate over the other triangle.
6989         (fini_vars_expansion): Clear stack_vars_sorted.
6990
6991 2012-08-03  Marc Glisse  <marc.glisse@inria.fr>
6992
6993         PR tree-optimization/30318
6994         * double-int.c (mul_double_wide_with_sign): New function.
6995         (mul_double_with_sign): Call the new function.
6996         * double-int.h (mul_double_wide_with_sign): Declare the new function.
6997         * tree-vrp.c (extract_range_from_binary_expr_1) [MULT_EXPR]:
6998         Handle integer types that wrap on overflow.
6999         (quad_int_cmp): New helper function.
7000         (quad_int_pair_sort): Likewise.
7001
7002 2012-08-03  Richard Guenther  <rguenther@suse.de>
7003
7004         * tree-vect-loop-manip.c (vect_can_advance_ivs_p): Query
7005         is_gimple_reg on the SSA name, not its variable.
7006         (vect_update_ivs_after_vectorizer): Likewise.
7007         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
7008         * tree-if-conv.c (if_convertible_phi_p): Likewise.
7009         (predicate_scalar_phi): Likewise.
7010         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Likewise.
7011         (vect_analyze_scalar_cycles_1): Likewise.
7012         * tree-ssa-live.c (register_ssa_partition_check): Likewise.
7013         * tree-outof-ssa.c (eliminate_useless_phis): Likewise.
7014         * tree-ssa-reassoc.c (phi_rank): Likewise.
7015         * tree-parloops.c (separate_decls_in_region_name): Use
7016         replace_ssa_name_symbol.
7017         * tree-predcom.c (base_names_in_chain_on): Likewise.
7018         * matrix-reorg.c (update_type_size): Query the type of the SSA name,
7019         not its variable.
7020         * gimple-ssa-strength-reduction.c (create_mul_ssa_cand): Likewise.
7021         (create_mul_imm_cand): Likewise.
7022         (create_add_ssa_cand): Likewise.
7023         (create_add_imm_cand): Likewise.
7024         (slsr_process_add): Likewise.
7025         * tree-inline.c (remap_ssa_name): Do not set the type of the
7026         new SSA_NAME.
7027         * tree-ssa-structalias.c (get_constraint_for_ssa_var): Clarify assert.
7028         Check for default def first.
7029
7030 2012-08-04  Steven Bosscher  <steven@gcc.gnu.org>
7031
7032         * cfgrtl.c (print_rtl_with_bb): Do not print a newline between insns.
7033
7034         * sched-vis.c (print_pattern): Handle SEQUENCE also.
7035
7036 2012-08-02  Richard Henderson  <rth@redhat.com>
7037
7038         Revert:
7039         PR 34548
7040         * function.h (struct rtl_data): Add max_dynamic_stack_alignment.
7041         * cfgexpand.c (gimple_expand_cfg): Initialise it.
7042         * explow.c (allocate_dynamic_stack_space): Set it.  Simplify
7043         alignment requirements given the known alignment of dynamic_offset.
7044         * function.c (instantiate_virtual_regs): Align dtnamic_offset.
7045
7046 2012-08-02  Kenneth Zadeck <zadeck@naturalbridge.com>
7047
7048         * cfgexpand.c (expand_debug_locations):  Encapsulate test for
7049         CONST_DOUBLE in macro.
7050         * combine.c (try_combine, gen_lowpart_for_combine): Ditto.
7051         * cprop.c (implicit_set_cond_p): Ditto.
7052         * cselib.c (rtx_equal_for_cselib_1): Ditto.
7053         * expmed.c (expand_mult): Ditto.
7054         * expr.c (convert_modes): Ditto.
7055         * ira-costs.c (record_reg_classes): Ditto.
7056         * ira-lives.c (single_reg_class): Ditto.
7057         * optabs.c (expand_copysign_absneg, expand_copysign): Ditto.
7058         * print-rtl.c (print_rtx): Ditto.
7059         * recog.c (simplify_while_replacing, const_double_operand)
7060         (asm_operand_ok, constrain_operands): Ditto.
7061         * reg-stack.c (subst_stack_regs_pat): Ditto.
7062         * reload.c (find_reloads, find_equiv_reg): Ditto.
7063         * rtlanal.c (replace_rtx): Remove test.
7064         * rtlanal.c (constant_pool_constant_p, split_double): Encapsulate
7065         test for CONST_DOUBLE in macro.
7066         * simplify-rtx.c (mode_signbit_p, avoid_constant_pool_reference)
7067         (simplify_unary_operation_1, simplify_const_unary_operation)
7068         (simplify_binary_operation_1, simplify_const_binary_operation)
7069         (simplify_relational_operation_1)
7070         (simplify_const_relational_operations)
7071         (implify_subreg): Ditto.
7072         * varasm.c (output_constant_pool_2): Ditto.
7073         * rtl.h (CONST_DOUBLE_AS_INT_P, CONST_DOUBLE_AS_FLOAT_P): New macros.
7074         * rtl.def (CONST_DOUBLE):  Updated comments.
7075
7076 2012-08-02  Richard Sandiford  <rdsandiford@googlemail.com>
7077
7078         PR target/51931
7079         * config/mips/mips-protos.h (mips_strip_unspec_address): Declare.
7080         * config/mips/mips.c (mips_strip_unspec_address): Make extern.
7081         (mips16_rewrite_pool_constant): Make a copy of the pool constant
7082         before adding to a PC-relative table.
7083         (mips16_lay_out_constants): Add a SPLIT_P parameter.
7084         (mips16_load_branch_target, mips16_split_long_branches): New functions.
7085         (mips_reorg): Update call to mips16_lay_out_constants.
7086         Call mips16_split_long_branches.
7087         * config/mips/predicates.md (pc_or_label_operand): Delete.
7088         * config/mips/mips.md (length): Add a calculation for MIPS16 branches.
7089         Move the extended_mips16 handling further down.
7090         (*branch_equality<mode>_mips16): Replace use pc_or_label_operand
7091         with explicit label_ref and pc.  Follow the usual operand numbering.
7092         (*branch_equality<mode>_mips16_inverted): New pattern.
7093         (*jump_mips16): Add length attribute.
7094         (indirect_jump_and_restore_<mode>): New pattern.
7095         (consttable_int): Call mips_strip_unspec_address on the operand.
7096
7097 2012-08-02  Richard Sandiford  <rdsandiford@googlemail.com>
7098
7099         * recog.c (split_insn): Copy the original SET_SRC before using
7100         it as a note.
7101
7102 2012-08-02  Richard Sandiford  <rdsandiford@googlemail.com>
7103
7104         * reorg.c (dbr_schedule): Delete REG_BR_PRED loop.
7105
7106 2012-08-02  Marc Glisse  <marc.glisse@inria.fr>
7107
7108         PR tree-optimization/53805
7109         * fold-const.c (invert_tree_comparison): Invert ORDERED_EXPR and
7110         UNORDERED_EXPR even for trapping floating point.
7111
7112 2012-08-02  H.J. Lu  <hongjiu.lu@intel.com>
7113
7114         PR middle-end/53321
7115         PR middle-end/53865
7116         * ipa-inline-analysis.c (inline_free_summary): Return if
7117         inline_edge_summary_vec is NULL.
7118
7119         * ipa-split.c (execute_split_functions): Check if a function
7120         is inlinable only if inline_edge_summary_vec != NULL.
7121
7122         * ipa.c (symtab_remove_unreachable_nodes): Restore
7123         cgraph_propagate_frequency call when something was changed.
7124         (free_inline_summary): New function.
7125         (pass_ipa_free_inline_summary): New pass.
7126
7127         * passes.c (init_optimization_passes): Add
7128         pass_ipa_free_inline_summary before pass_ipa_tree_profile.
7129
7130         * timevar.def (TV_IPA_FREE_INLINE_SUMMARY): New.
7131
7132         * tree-pass.h (pass_ipa_free_inline_summary): New.
7133
7134 2012-08-02  Richard Earnshaw  <rearnsha@arm.com>
7135
7136         * arm.c (arm_gen_constant): Use UBFX for some AND operations when
7137         available.
7138
7139 2012-08-02  Richard Guenther  <rguenther@suse.de>
7140
7141         * tree-into-ssa.c (struct common_info_d): New struct.
7142         (struct var_info_d, struct ssa_name_info): Use it.
7143         (get_ssa_name_ann): Adjust.
7144         (get_phi_state, set_phi_state): Remove.
7145         (get_common_info): New function.
7146         (get_current_def, set_current_def): Adjust.
7147         (get_def_blocks_for): Take a common info as param.
7148         (set_def_block): Call get_common_info once.
7149         (set_livein_block): Likewise.
7150         (find_def_blocks_for): Adjust.
7151         (insert_phi_nodes): Likewise.
7152         (register_new_def): Call get_common_info once.
7153         (get_reaching_def): Likewise.
7154         (rewrite_debug_stmt_uses): Likewise.
7155         (rewrite_leave_block): Likewise.
7156         (dump_currdefs): Likewise.
7157         (debug_var_infos_r): Adjust.
7158         (register_new_update_single): Call get_common_info once.
7159         (maybe_replace_use_in_debug_stmt): Likewise.
7160         (rewrite_update_leave_block): Likewise.
7161         (mark_use_interesting): Adjust.
7162         (create_new_def_for): Likewise.
7163         (update_ssa): Likewise.
7164
7165 2012-08-02  Michael Matz  <matz@suse.de>
7166
7167         * tree-ssa-live.c (set_is_used): Return a bool.
7168         (mark_all_vars_used): Don't take data argument.
7169         (mark_all_vars_used_1): Adjust calls to above, merge handling
7170         of local and global vars.
7171         (remove_unused_scope_block_p): Don't take global_unused_vars,
7172         merge handling of local and global vars.
7173         (remove_unused_locals): Don't allocate/fill/pass global_unused_vars,
7174         use is_used_p for local and global vars.
7175
7176 2012-08-02  Richard Guenther  <rguenther@suse.de>
7177
7178         * tree-flow.h (make_rename_temp): Remove.
7179         * tree-dfa.c (make_rename_temp): Likewise.
7180         * cgraphunit.c (thunk_adjust, assemble_thunk): Use create_tmp_reg
7181         instead of make_rename_temp.
7182         * omp-low.c (expand_omp_for_generic, expand_omp_for_static_nochunk,
7183         expand_omp_atomic_pipeline): Likewise.
7184         * trans-mem.c (tm_log_emit_save_or_restores, build_tm_load,
7185         build_tm_store, expand_call_tm, expand_transaction,
7186         ipa_tm_insert_gettmclone_call): Likewise.
7187         * tree-complex.c (expand_complex_div_wide): Likewise.
7188         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
7189         Likewise.
7190         * tree-ssa-loop-im.c (execute_sm_if_changed_flag_set, execute_sm):
7191         Likewise.
7192         * tree-ssa-math-opts.c (insert_reciprocals): Likewise.
7193         * value-prof.c (gimple_divmod_fixed_value, gimple_mod_pow2,
7194         gimple_mod_subtract): Likewise.
7195
7196 2012-08-02  Richard Guenther  <rguenther@suse.de>
7197
7198         * tree-flow.h (set_default_def): Rename to ...
7199         (set_ssa_default_def): ... this.  Take a struct function argument.
7200         (gimple_default_def): Rename to ...
7201         (ssa_default_def): ... this.
7202         (get_or_create_ssa_default_def): New function.
7203         * tree-dfa.c: Likewise.
7204         (dump_variable): Adjust.
7205         * ipa-prop.c (ipa_analyze_params_uses): Adjust, properly check
7206         for used parameters.
7207         * ipa-split.c (consider_split): Adjust, avoid repeated default-def
7208         lookups.
7209         (split_function): Likewise.
7210         * lto-streamer-in.c (input_ssa_names): Adjust.
7211         * omp-low.c (expand_omp_taskreg): Likewise.
7212         * tree-cfg.c (replace_ssa_name): Adjust, no need to push/pop cfun.
7213         * tree-complex.c (init_parameter_lattice_values): Adjust.
7214         (get_component_ssa_name): Likewise.
7215         (update_parameter_components): Likewise.
7216         * tree-inline.c (remap_ssa_name): Likewise.
7217         (setup_one_parameter): Likewise.
7218         (initialize_inlined_parameters): Likewise.
7219         (declare_return_variable): Likewise.
7220         (expand_call_inline): Likewise.
7221         (tree_function_versioning): Likewise.
7222         * tree-into-ssa.c (get_default_def_for): Remove.
7223         (get_reaching_def): Use get_or_create_ssa_default_def instead.
7224         * tree-predcom.c (replace_ref_with): Adjust.
7225         * tree-sra.c (get_repl_default_def_ssa_name): Likewise.
7226         (is_unused_scalar_param): Likewise.
7227         (ptr_parm_has_direct_uses): Likewise.
7228         (sra_ipa_reset_debug_stmts): Likewise.
7229         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust.
7230         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
7231         * tree-ssa-live.c (verify_live_on_entry): Likewise.
7232         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise,
7233         avoid repeated default def lookups.
7234         * tree-ssa-sccvn.c (run_scc_vn): Likewise.
7235         * tree-tailcall.c (arg_needs_copy_p): Adjust.
7236         (tree_optimize_tail_calls_1): Likewise.
7237
7238 2012-08-02  Richard Guenther  <rguenther@suse.de>
7239
7240         PR tree-optimization/50672
7241         Revert
7242         2012-08-01  Richard Guenther  <rguenther@suse.de>
7243
7244         * tree-ssa-tail-merge.c (release_last_vdef): Remove.
7245         (replace_block_by): Adjust.
7246
7247 2012-08-02  Richard Guenther  <rguenther@suse.de>
7248
7249         * tree-dfa.c (referenced_var_lookup): Remove.
7250         (find_referenced_vars): Remove.
7251         (pass_referenced_vars): Likewise.
7252         (make_rename_temp): Do not add referenced vars.
7253         (dump_referenced_vars): Remove.
7254         (debug_referenced_vars): Likewise.
7255         (dump_dfa_stats): Do not dump referenced var stats.
7256         (find_vars_r): Remove.
7257         (find_referenced_vars_in): Likewise.
7258         (referenced_var_check_and_insert): Likewise.
7259         (add_referenced_var_1): Likewise.
7260         (remove_referenced_var): Likewise.
7261         * tree-flow.h (referenced_var_lookup): Likewise.
7262         (struct gimple_df): Remove referenced_vars member.
7263         (typedef referenced_var_iterator): Remove.
7264         (FOR_EACH_REFERENCED_VAR): Likewise.
7265         (num_referenced_vars): Likewise.
7266         (debug_referenced_vars, dump_referenced_vars): Likewise.
7267         (add_referenced_var_1, add_referenced_var): Likewise.
7268         (remove_referenced_var): Likewise.
7269         (find_referenced_vars_in): Likewise.
7270         * tree-flow-inline.h (gimple_referenced_vars): Remove.
7271         (first_referenced_var): Likewise.
7272         (end_referenced_vars_p): Likewise.
7273         (next_referenced_var): Likewise.
7274         * cfgexpand.c (update_alias_info_with_stack_vars): Remove assert.
7275         * gimple-pretty-print.c (pp_points_to_solution): Dump UIDs
7276         unconditionally.
7277         * tree-into-ssa.c (dump_decl_set): Likewise.
7278         (pass_build_ssa): Do not require PROP_referenced_vars.
7279         * tree-ssa.c (target_for_debug_bind): Virtual operands are
7280         not suitable, but all register type vars are.
7281         (init_tree_ssa): Do not allocate referenced vars.
7282         (delete_tree_ssa): Do not free referenced vars.
7283         * cgraphunit.c (init_lowered_empty_function): Do not set
7284         PROP_referenced_vars.
7285         (assemble_thunk): Do not add referenced vars.
7286         * gimple-fold.c (canonicalize_constructor_val): Likewise.
7287         (gimplify_and_update_call_from_tree): Likewise.
7288         * gimple-streamer-in.c (input_bb): Likewise.
7289         * passes.c (init_optimization_passes): Do not run
7290         pass_referenced_vars.
7291         (dump_properties): Do not dump PROP_referenced_vars.
7292         * tree-inline.c (remap_decl): Do not add referenced vars.
7293         (remap_gimple_op_r): Likewise.
7294         (copy_tree_body_r): Likewise.
7295         (copy_bb): Likewise.
7296         (setup_one_parameter): Likewise.
7297         (declare_return_variable): Likewise.
7298         (copy_decl_for_dup_finish): Likewise.
7299         (copy_arguments_for_versioning): Likewise.
7300         (tree_function_versioning): Likewise.
7301         * tree-pass.h (PROP_referenced_vars): Remove.
7302         (pass_referenced_vars): Likewise.
7303         * tree-profile.c (gimple_gen_edge_profiler): Do not add
7304         referenced vars.
7305         (gimple_gen_interval_profiler): Likewise.
7306         (gimple_gen_pow2_profiler): Likewise.
7307         (gimple_gen_one_value_profiler): Likewise.
7308         (gimple_gen_ic_profiler): Likewise.
7309         (gimple_gen_average_profiler): Likewise.
7310         (gimple_gen_ior_profiler): Likewise.
7311         * tree-ssa-live.c (remove_unused_locals): Do not touch referenced vars.
7312         * tree-cfg.c (replace_ssa_name): Do not add referenced vars.
7313         (move_stmt_op): Likewise.
7314         * tree-ssa-operands.c (create_vop_var): Likewise.
7315         * gimple-low.c (record_vars_into): Likewise.
7316         * gimplify.c (gimple_regimplify_operands): Likewise.
7317         (force_gimple_operand_1): Likewise.
7318         * omp-low.c (expand_omp_for_generic): Likewise.
7319         (expand_omp_for_static_chunk): Likewise.
7320         (expand_omp_atomic_pipeline): Likewise.
7321         * graphite-clast-to-gimple.c (graphite_create_new_loop): Likewise.
7322         (translate_clast_assignment): Likewise.
7323         * graphite-sese-to-poly.c (create_zero_dim_array): Likewise.
7324         (handle_scalar_deps_crossing_scop_limits): Likewise.
7325         * ipa-prop.c (ipa_modify_formal_parameters): Likewise.
7326         * ipa-split.c (split_function): Likewise.
7327         * matrix-reorg.c (transform_access_sites): Likewise.
7328         * trans-mem.c (tm_log_add): Likewise.
7329         (ipa_tm_insert_gettmclone_call): Likewise.
7330         * tree-complex.c (create_one_component_var): Likewise.
7331         * tree-if-conv.c (ifc_temp_var): Likewise.
7332         * tree-parloops.c (take_address_of): Likewise.
7333         (initialize_reductions): Likewise.
7334         (separate_decls_in_region_name): Likewise.
7335         (create_call_for_reduction_1): Likewise.
7336         (separate_decls_in_region): Likewise.
7337         * tree-predcom.c (predcom_tmp_var): Likewise.
7338         (reassociate_to_the_same_stmt): Likewise.
7339         * tree-sra.c (build_ref_for_offset): Likewise.
7340         (create_access_replacement): Likewise.
7341         (get_replaced_param_substitute): Likewise.
7342         (sra_ipa_reset_debug_stmts): Likewise.
7343         * tree-ssa-loop-im.c (rewrite_reciprocal): Likewise.
7344         (rewrite_bittest): Likewise.
7345         * tree-ssa-loop-ivopts.c (create_new_iv): Likewise.
7346         * tree-ssa-loop-manip.c (create_iv): Likewise.
7347         (tree_transform_and_unroll_loop): Likewise.
7348         * tree-ssa-math-opts.c (powi_as_mults): Likewise.
7349         (build_and_insert_call): Likewise.
7350         (gimple_expand_builtin_cabs): Likewise.
7351         (execute_optimize_bswap): Likewise.
7352         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
7353         (abs_replacement): Likewise.
7354         (cond_store_replacement): Likewise.
7355         (cond_if_else_store_replacement_1): Likewise.
7356         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
7357         * tree-ssa-pre.c (get_representative_for): Likewise.
7358         (create_expression_by_pieces): Likewise.
7359         (insert_into_preds_of_block): Likewise.
7360         * tree-ssa-propagate.c (update_call_from_tree): Likewise.
7361         * tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
7362         (eliminate_redundant_comparison): Likewise.
7363         (rewrite_expr_tree_parallel): Likewise.
7364         (get_reassoc_pow_ssa_name): Likewise.
7365         * tree-ssa-strlen.c (get_string_length): Likewise.
7366         * tree-switch-conversion.c (emit_case_bit_tests): Likewise.
7367         (build_arrays): Likewise.
7368         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
7369         (create_tailcall_accumulator): Likewise.
7370         * tree-vect-data-refs.c (vect_get_new_vect_var): Likewise.
7371         (vect_create_addr_base_for_vector_ref): Likewise.
7372         (vect_permute_store_chain): Likewise.
7373         (vect_permute_load_chain): Likewise.
7374         * tree-vect-generic.c (expand_vector_divmod): Likewise.
7375         * tree-vect-loop-manip.c (set_prologue_iterations): Likewise.
7376         (vect_build_loop_niters): Likewise.
7377         (vect_generate_tmps_on_preheader): Likewise.
7378         (vect_update_ivs_after_vectorizer): Likewise.
7379         (vect_gen_niters_for_prolog_loop): Likewise.
7380         (vect_do_peeling_for_alignment): Likewise.
7381         (vect_create_cond_for_align_checks): Likewise.
7382         * tree-vect-patterns.c (vect_recog_temp_ssa_var): Likewise.
7383         (vect_handle_widen_op_by_const): Likewise.
7384         (vect_operation_fits_smaller_type): Likewise.
7385         (vect_recog_over_widening_pattern): Likewise.
7386         * tree-vect-stmts.c (vect_init_vector): Likewise.
7387
7388 2012-08-01  Alexandre Oliva  <aoliva@redhat.com>
7389
7390         PR debug/52983
7391         * valtrack.c (dead_debug_insert_temp): Use cleanup_auto_inc_dec.
7392
7393 2012-08-01  Alexandre Oliva  <aoliva@redhat.com>
7394
7395         PR debug/52983
7396         * valtrack.c (cleanup_auto_inc_dec): Implement unconditionally,
7397         falling back to copy_rtx on non-autoinc machines.
7398         (propagate_for_debug_subst): Always use cleanup_auto_inc_dec.
7399
7400 2012-08-01  Alexandre Oliva  <aoliva@redhat.com>
7401
7402         PR debug/52983
7403         * valtrack.h, valtrack.c: New.
7404         * Makefile.in (VALTRACK_H): New.
7405         (OBJS): Add valtrack.o.
7406         (valtrack.o): New.
7407         (cselib.o, dce.o, df-problems.o, combine.o): Add VALTRACK_H.
7408         * combine.c: Include valtrack.h.
7409         (make_compound_operation): Publish.
7410         (cleanup_auto_inc_dec): Move to valtrack.c.
7411         (struct rtx_subst_pair, propagate_for_debug_subst): Likewise.
7412         (propagate_for_debug): Likewise.  Add this_basic_block parameter.
7413         Adjust all callers.
7414         * cselib.c: Include valtrack.h.
7415         * dce.c: Likewise.
7416         * df-problems.c: Likewise.
7417         (dead_debug_init, dead_debug_reset_uses): Move to valtrack.c.
7418         (dead_debug_finish, dead_debug_add): Likewise.
7419         (dead_debug_insert_temp): Likewise.
7420         * df.h (struct dead_debug_use): Move to valtrack.h.
7421         (struct dead_debug, enum debug_temp_where): Likewise.
7422         (dead_debug_init, dead_debug_reset_uses): Move to valtrack.h.
7423         (dead_debug_finish, dead_debug_add): Likewise.
7424         (dead_debug_insert_temp): Likewise.
7425         * rtl.h (make_compound_operation): Declare.
7426
7427 2012-08-01  Catherine Moore  <clm@codesourcery.com>
7428             Sandra Loosemore  <sandra@codesourcery.com>
7429
7430         * config/mips/mips-cpus.def (34kn): New.
7431         * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): Add 34kn.
7432         (BASE_DRIVER_SELF_SPECS): Do not imply -mdsp for the 34kn.
7433         * config/mips/mips-tables.opt: Regenerate.
7434         * doc/invoke.texi (MIPS Options): Document -march=34kn.
7435
7436 2012-08-01  Richard Henderson  <rth@redhat.com>
7437
7438         * expmed.h (NUM_MODE_PARTIAL_INT): New.
7439         (NUM_MODE_VECTOR_INT, NUM_MODE_IP_INT, NUM_MODE_IPV_INT): New.
7440         (struct expmed_op_cheap): Size one array on NUM_MODE_IPV_INT.
7441         (struct expmed_op_costs): Likewise.
7442         (struct target_expmed): Size x_convert_cost on NUM_MODE_IP_INT.
7443         (expmed_mode_index): New.
7444         (expmed_op_cheap_ptr, expmed_op_cost_ptr): Use expmed_mode_index.
7445         (convert_cost_ptr): Likewise.
7446         * expmed.c (struct init_expmed_rtl): Rename convert to trunc.
7447         (init_expmed_one_conv): Split out from ...
7448         (init_expmed_one_mode): ... here.  Iterate conversions over
7449         partial integer modes too.
7450         (init_expmed): Iterate over partial integer modes too.
7451
7452 2012-08-01  Richard Henderson  <rth@redhat.com>
7453
7454         * config/m32c/m32c.c (TARGET_INIT_LIBFUNCS): Remove.
7455         (m32c_init_libfuncs): Remove.
7456         * config/m32c/cond.md (cstore<QHPSI>4_16): Rename from cstore<QHPSI>4.
7457         (cstore<QHPSI>4): New expander.
7458
7459 2012-08-01  Richard Guenther  <rguenther@suse.de>
7460
7461         * tree-flow-inline.h (referenced_var): Remove.
7462         * tree-ssa-coalesce.c (create_outofssa_var_map): Remove duplicate
7463         checking code.
7464         * tree-sra.c (candidates): New global hashtable.
7465         (candidate): New function.
7466         (sra_initialize): Initialize candidates.
7467         (sra_deinitialize): Free candidates.
7468         (disqualify_candidate): Remove candidate from candidates.
7469         (maybe_add_sra_candidate): New function.
7470         (find_var_candidates): Walk over all local decls and parameters,
7471         add candidates to candidates hashtable.
7472         (find_param_candidates): Add candidates to candidates hashtable.
7473         (analyze_all_variable_accesses): Use candidate instead of
7474         referenced_var.
7475
7476 2012-08-01  Tom de Vries  <tom@codesourcery.com>
7477
7478         * tree-vrp.c (find_case_label_ranges): New function.
7479         (vrp_visit_switch_stmt, simplify_switch_using_ranges): Use
7480         find_case_label_ranges instead of find_case_label_range.  Handle second
7481         range.
7482
7483 2012-08-01  Michael Matz  <matz@suse.de>
7484
7485         * tree-complex.c (init_parameter_lattice_values): Don't call var_ann.
7486         * tree-dfa.c (struct dfa_stats_d): Remove num_var_anns member.
7487         (dump_dfa_stats): Don't dump stats about var anns.
7488         (collect_dfa_stats): Don't collect them.
7489         (add_referenced_var_1): Don't set var annotation pointers.
7490         (remove_referenced_var): Ditto, and only remove it it's in the
7491         hash table.
7492
7493         * tree-flow-inline.h (var_ann): Remove.
7494         * tree-flow.h (struct var_ann_d, var_ann_t): Remove.
7495
7496         * tree-inline.c (remapped_type): Remove.
7497         (can_be_nonlocal): Most variable will be considered live here,
7498         return false earlier.
7499         (remap_decls): Don't call var_ann, all variables will be considered
7500         referenced here.
7501         (copy_debug_stmt): Ditto, and use is_global_var.
7502
7503         * tree-into-ssa.c (rewrite_debug_stmt_uses): Use get_current_def to
7504         determine if a variable was referred to, not var_ann.
7505         * tree-ssa-live.c (remove_unused_scope_block_p): Don't check var_ann.
7506         (remove_unused_locals): Ditto.
7507         * tree-ssa.c (delete_tree_ssa): Don't free/clear var ann pointers.
7508         * tree-tailcall.c (arg_needs_copy_p): Don't check var_ann.
7509         * tree.c (copy_node_stat): Don't clear var ann pointer.
7510         * tree.h (tree_result_decl, tree_parm_decl, tree_var_decl): Remove
7511         ann member.
7512         (DECL_VAR_ANN_PTR): Remove.
7513
7514 2012-08-01  Michael Matz  <matz@suse.de>
7515
7516         * tree-flow.h (struct var_ann_d): Rename used member.
7517         (set_is_used): Don't declare.
7518         * tree-flow-inline.h (clear_is_used): Remove.
7519         (set_is_used, is_used_p): Move to ...
7520         * tree-ssa-live.c (set_is_used, is_used_p): ... here, and use
7521         on the side bitmap.
7522         (usedvars): New bitmap.
7523         (dump_scope_block): Don't dump unusedness.
7524         (remove_unused_locals): Allocate and free usedvars.
7525         * tree-nrv.c (tree_nrv): Don't clear used flags here.
7526
7527 2012-08-01  Michael Matz  <matz@suse.de>
7528
7529         * tree-flow.h (struct var_ann_d): Remove base_var_processed and
7530         base_index members.
7531         * tree-ssa-live.h (struct _var_map): Remove basevars member.
7532         (VAR_ANN_BASE_INDEX): Remove.
7533         * tree-ssa-live.c (var_map_base_init): Use a hash table instead
7534         of var annotation to compress index space.  Don't deal with above
7535         removed members.
7536         (var_map_base_fini): Don't free basevars.
7537         (init_var_map): Don't clear basevars.
7538
7539 2012-08-01  Bill Schmidt  <wschmidt@linux.ibm.com>
7540
7541         * gimple-ssa-strength-reduction.c (struct slsr_cand_d): Change
7542         base_name to base_expr.
7543         (struct cand_chain_d): Likewise.
7544         (base_cand_hash): Likewise.
7545         (base_cand_eq): Likewise.
7546         (record_potential_basis): Likewise.
7547         (alloc_cand_and_find_basis): Likewise.
7548         (create_mul_ssa_cand): Likewise.
7549         (create_mul_imm_cand): Likewise.
7550         (create_add_ssa_cand): Likewise.
7551         (create_add_imm_cand): Likewise.
7552         (slsr_process_cast): Likewise.
7553         (slsr_process_copy): Likewise.
7554         (dump_candidate): Likewise.
7555         (base_cand_dump_callback): Likewise.
7556         (unconditional_cands_with_known_stride_p): Likewise.
7557         (cand_increment): Likewise.
7558
7559 2012-08-01  Bill Schmidt  <wschmidt@linux.ibm.com>
7560
7561         PR tree-optimization/46556
7562         * gimple-ssa-strength-reduction.c (enum cand_kind): Add CAND_REF.
7563         (base_cand_map): Change to hash table.
7564         (base_cand_hash): New function.
7565         (base_cand_free): Likewise.
7566         (base_cand_eq): Likewise.
7567         (lookup_cand): Change base_cand_map to hash table.
7568         (find_basis_for_candidate): Likewise.
7569         (base_cand_from_table): Exclude CAND_REF.
7570         (restructure_reference): New function.
7571         (slsr_process_ref): Likewise.
7572         (find_candidates_in_block): Call slsr_process_ref.
7573         (dump_candidate): Handle CAND_REF.
7574         (base_cand_dump_callback): New function.
7575         (dump_cand_chains): Change base_cand_map to hash table.
7576         (replace_ref): New function.
7577         (replace_refs): Likewise.
7578         (analyze_candidates_and_replace): Call replace_refs.
7579         (execute_strength_reduction): Change base_cand_map to hash table.
7580
7581 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
7582
7583         * config/i386/i386.c (ix86_address_subreg_operand): Reject
7584         stack pointer.
7585         (ix86_print_operand_address): Assert that parts.base and parts.index
7586         are non-NULL after call to simplify_subreg.
7587
7588 2012-08-01  Richard Guenther  <rguenther@suse.de>
7589
7590         * doc/tree-ssa.texi: Remove pieces mentioning mark_sym_for_renaming.
7591
7592 2012-08-01  Richard Guenther  <rguenther@suse.de>
7593
7594         * graphite-clast-to-gimple.c (translate_clast_user): Rename
7595         virtual operands.
7596         * sese.c (graphite_copy_stmts_from_block): Do not rename virtual
7597         operands here.
7598         * tree-call-cdce.c (tree_call_cdce): Use
7599         mark_virtual_operands_for_renaming.
7600         * tree-eh.c (sink_clobbers): Simplify.
7601         * tree-flow.h (mark_sym_for_renaming): Remove.
7602         (mark_virtual_operands_for_renaming): New function.
7603         * tree-if-conv.c (tree_if_conversion): Use
7604         mark_virtual_operands_for_renaming.
7605         * tree-inline.c (update_ssa_across_abnormal_edges): Likewise.
7606         * tree-into-ssa.c (mark_sym_for_renaming): Remove.
7607         (mark_virtual_operands_for_renaming): New function.
7608         * tree-loop-distribution.c (tree_loop_distribution): Use
7609         mark_virtual_operands_for_renaming.
7610         * tree-ssa-dce.c (mark_virtual_operand_for_renaming): Do not
7611         update stmts, use mark_virtual_operands_for_renaming.
7612         * tree-ssa-tail-merge.c (release_last_vdef): Remove.
7613         (replace_block_by): Adjust.
7614         (tail_merge_optimize): Use mark_virtual_operands_for_renaming.
7615         * tree-tailcall.c (tree_optimize_tail_calls_1): Use
7616         mark_virtual_operands_for_renaming.
7617         * tree-vect-slp.c (vect_slp_transform_bb): Likewise.
7618         * tree-vectorizer.c (vectorize_loops): Likewise.
7619
7620 2012-08-01  Richard Guenther  <rguenther@suse.de>
7621
7622         * tree-flow.h (struct gimple_df): Remove syms_to_rename member,
7623         add ssa_renaming_needed and rename_vops flags.
7624         (SYMS_TO_RENAME): Remove.
7625         (symbol_marked_for_renaming): Likewise.
7626         (mark_virtual_ops_for_renaming): Likewise.
7627         * tree-into-ssa.c (symbols_to_rename_set, symbols_to_rename):
7628         New globals.
7629         (mark_for_renaming, marked_for_renaming): New functions.
7630         (symbol_marked_for_renaming): Remove.
7631         (dump_currdefs): Adjust.
7632         (maybe_replace_use): Likewise.
7633         (maybe_replace_use_in_debug_stmt): Likewise.
7634         (maybe_register_def): Likewise.
7635         (rewrite_update_phi_arguments): Likewise.
7636         (rewrite_update_enter_block): Likewise.
7637         (fini_ssa_renamer): Clear update SSA status here ...
7638         (delete_update_ssa): ... not here.  Free rename set.
7639         (prepare_block_for_update): Compute which decls need renaming.
7640         (dump_update_ssa): Adjust.
7641         (mark_sym_for_renaming): Adjust update SSA status for virtuals.
7642         (need_ssa_update_p): Adjust.
7643         (insert_updated_phi_nodes_for): Likewise.
7644         (update_ssa): Likewise.
7645         * tree-ssa-operands.c (finalize_ssa_defs): Adjust update SSA status
7646         for virtual and real operands.
7647         (finalize_ssa_uses): Likewise.
7648         * tree-ssanames.c (init_ssanames): Adjust.
7649         * tree-ssa.c (maybe_rewrite_mem_ref_base, maybe_optimize_var,
7650         execute_update_addresses_taken): Add bitmap to keep track of which
7651         candidates are suitable for rewriting and later renaming by SSA update.
7652         * matrix-reorg.c (transform_access_sites): Do not rename all defs.
7653         * tree-dfa.c (make_rename_temp): Do not mark real operands for
7654         renaming.
7655         * cgraphunit.c (assemble_thunk): Likewise.
7656         * gimplify.c (gimple_regimplify_operands): Likewise.
7657         (force_gimple_operand_1): Likewise.
7658         * ipa-prop.c (ipa_modify_formal_parameters): Likewise.
7659         * tree-inline.c (declare_return_variable): Likewise.
7660         * tree-parloops.c (separate_decls_in_region_stmt): Do not call
7661         mark_virtual_ops_for_renaming.
7662         (create_stores_for_reduction): Likewise.
7663         (create_loads_and_stores_for_name): Likewise.
7664         * tree-predcom.c (mark_virtual_ops_for_renaming): Remove.
7665         (initialize_root_vars_lm): Do not call mark_virtual_ops_for_renaming.
7666         (execute_load_motion): Likewise.
7667         (remove_stmt): Likewise.
7668         (execute_pred_commoning_chain): Likewise.
7669         * tree-sra.c (create_access_replacement): Do not rename real operands.
7670         (get_unrenamed_access_replacement): Unify with ...
7671         (get_access_replacement): ... this.
7672         (get_repl_default_def_ssa_name): Adjust.
7673         * tree-ssa-loop-im.c (move_computations_stmt): Manually update
7674         virtual SSA form.
7675         (rewrite_mem_ref_loc): Do not call mark_virtual_ops_for_renaming.
7676         * tree-ssa-loop-prefetch.c (emit_mfence_after_loop): Likewise.
7677
7678 2012-07-31  DJ Delorie  <dj@redhat.com>
7679
7680         * config/s390/s390.c (s390_option_override): Disable DWARF 3/4
7681         extensions for TPF, unless specifically selected.
7682
7683 2012-08-01  Alan Modra  <amodra@gmail.com>
7684
7685         PR target/54131
7686         * config/rs6000/rs6000.c (mem_operand_gpr): Don't limit range
7687         of lo_sum offsets.  Comment.  Assert mode at least word size
7688         rather than bypassing powerpc64 word offset check.
7689
7690 2012-07-31  Bill Schmidt  <wschmidt@linux.ibm.com>
7691
7692         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
7693         costs for vec_perm and vec_promote_demote down to more natural values.
7694         (struct _rs6000_cost_data): New data structure.
7695         (rs6000_density_test): New function.
7696         (rs6000_init_cost): Change to use rs6000_cost_data.
7697         (rs6000_add_stmt_cost): Likewise.
7698         (rs6000_finish_cost): Perform density test when vectorizing a loop.
7699
7700 2012-07-31  Steven Bosscher  <steven@gcc.gnu.org>
7701
7702         * sched-vis.c (print_exp): Handle FMA explicitly.  Simplify handling
7703         of RTX_UNARY function-like operations.  Print unknown expression
7704         RTX classes as pseudo-functions.
7705         (print_pattern): Simplify return pattern printing.
7706         (dump_insn_slim): Print the value of notes as a pattern for proper
7707         printing of CFA notes.
7708
7709 2012-07-31  Dehao Chen  <dehao@google.com>
7710
7711         * predict.c (tree_estimate_probability_driver): Normalize the
7712         loop when initializing the loop optimizer.
7713
7714 2012-07-31  Richard Guenther  <rguenther@suse.de>
7715
7716         * tree-flow.h (struct var_ann_d): Remove need_phi_state
7717         and current_def members.
7718         * tree-into-ssa.c (struct def_blocks_d): Remove var member.
7719         (def_blocks): Remove.
7720         (struct var_info_d): New.
7721         (var_infos): New hashtable.
7722         (struct ssa_name_info): Add def_blocks member.
7723         (get_ssa_name_ann): Adjust.
7724         (get_var_info): New function.
7725         (get_phi_state, set_phi_state, get_current_def,
7726         set_current_def, get_def_blocks_for, find_def_blocks_for): Adjust.
7727         (insert_phi_nodes_compare_def_blocks): Rename to ...
7728         (insert_phi_nodes_compare_var_infos): ... this and adjust.
7729         (insert_phi_nodes): Adjust.
7730         (dump_tree_ssa, dump_tree_ssa_stats): Adjust.
7731         (def_blocks_hash, def_blocks_eq, def_blocks_free): Remove.
7732         (debug_def_blocks_r): Rename to ...
7733         (debug_var_infos_r): ... this and adjust.
7734         (var_info_hash): New function.
7735         (var_info_eq): Likewise.
7736         (rewrite_blocks): Adjust.
7737         (init_ssa_renamer): Likewise.
7738         (fini_ssa_renamer): Likewise.
7739         (delete_update_ssa): Likewise.
7740         (update_ssa): Likewise.
7741         * tree-ssanames.c (release_dead_ssa_names): Do not clear current defs.
7742
7743 2012-07-31  Bill Schmidt  <wschmidt@linux.ibm.com>
7744
7745         PR tree-optimization/53773
7746         * tree-vectorizer.h (struct _loop_vec_info): Add operands_swapped.
7747         (LOOP_VINFO_OPERANDS_SWAPPED): New macro.
7748         * tree-vect-loop.c (new_loop_vec_info): Initialize
7749         LOOP_VINFO_OPERANDS_SWAPPED field.
7750         (destroy_loop_vec_info): Restore canonical form.
7751         (vect_is_slp_reduction): Set LOOP_VINFO_OPERANDS_SWAPPED field.
7752         (vect_is_simple_reduction_1): Likewise.
7753
7754 2012-07-31  Steven Bosscher  <steven@gcc.gnu.org>
7755
7756         * sched-vis.c (dump_insn_slim): Print print_rtx_head at the
7757         start of each new line.
7758         * final.c (final_scan_insn): If the final dump is requested as
7759         slim RTL, dump slim RTL to the assembly file also.
7760
7761 2012-07-31  Andrey Belevantsev  <abel@ispras.ru>
7762
7763         PR target/53975
7764
7765         * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
7766
7767         Revert
7768         2011-08-04  Sergey Grechanik  <mouseentity@ispras.ru>
7769
7770         * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
7771         only if producer writes to the register given by regno.
7772
7773 2012-07-31  Nick Clifton  <nickc@redhat.com>
7774
7775         * config/stormy16/stormy16.c (xstormy16_expand_prologue): Add
7776         support for reporting stack usage.
7777
7778         * config/frv/frv.c (QUAD): Fix typo.
7779         (frv_expand_prologue): Report stack usage.
7780
7781 2012-07-31  Steven Bosscher  <steven@gcc.gnu.org>
7782
7783         PR pch/53880
7784         * gengtype.c (struct walk_type_data): Add have_this_obj field.
7785         (walk_type): For functions that take a this_obj argument and
7786         that process fields with a GTY((length)) argument, write the
7787         test that write_types_local_process_field will write also at the
7788         head of the loop, effectively unswitching the loop.
7789         (write_func_for_structure, write_local_func_for_structure): Clear
7790         have_this_obj before calling walk_type.
7791         (write_local_func_for_structure): Set have_this_obj before walk_type.
7792         (write_array): Set have_this_obj for output of local pointer walking
7793         functions but not for marker functions.
7794         (write_types_local_process_field): Assert have_this_obj is set.
7795
7796         * rtl.h (simplify_using_condition): Adjust prototype using bitmap
7797         from coretypes.h.
7798
7799 2012-07-30  Nathan Froyd  <froydnj@gcc.gnu.org>
7800
7801
7802         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
7803         * targhooks.c (default_mode_dependent_address_p): Delete code
7804         for GO_IF_MODE_DEPENDENT_ADDRESS.
7805         * system.h (GO_IF_MODE_DEPENDENT_ADDRESS): Poison.
7806         * doc/tm.texi.in (GO_IF_MODE_DEPENDENT_ADDRESS): Delete documention.
7807         * doc/tm.texi: Regenerate.
7808         * config/alpha.h (GO_IF_MODE_DEPENDENT_ADDRESS): Move code to...
7809         * config/alpha.c (alpha_mode_dependent_address_p): ...here.  New
7810         function.
7811         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
7812         * config/cr16/cr16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
7813         * config/mep/mep.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
7814         * config/vax/vax-protos.h (vax_mode_dependent_address_p): Delete.
7815         * config/vax/vax.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
7816         * config/vax/vax.c (vax_mode_dependent_address_p): Make static.
7817         Take a const_rtx.
7818         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
7819
7820 2012-07-30  Nathan Froyd  <froydnj@gcc.gnu.org>
7821
7822         * expmed.h (NUM_MODE_VECTOR_INT): Define.
7823         (struct expmed_op_cheap, struct expmed_op_costs): New structures.
7824         (struct target_expmed): Convert x_mul_highpart_cost and
7825         x_mul_widen_cost fields to be indexed by integer modes.
7826         Convert x_sdiv_pow2_cheap and x_smod_pow2_cheap fields to be
7827         of type struct expmed_op_cheap.  Convert other cost fields to be
7828         of type struct_expmed_op_costs.
7829         (mul_widen_cost_ptr, mul_highpart_cost_ptr): Adjust for new
7830         indexing of respective fields.
7831         (expmed_op_cheap_ptr): New function.
7832         (sdiv_pow2_cheap_ptr, smod_pow2_cheap_ptr): Call it.
7833         (expmed_op_cost_ptr): New function.
7834         (add_cost_ptr, neg_cost_ptr, shift_cost_ptr, shiftadd_cost_ptr,
7835         shiftsub0_cost_ptr, shiftsub1_cost_ptr, mul_cost_ptr,
7836         sdiv_cost_ptr, udiv_cost_ptr): Call it.
7837
7838 2012-07-30  Sandra Loosemore  <sandra@codesourcery.com>
7839             Julian Brown  <julian@codesourcery.com>
7840
7841         * doc/invoke.texi (MIPS Options): Document -mno-float.
7842         * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): Make it know
7843         about -mno-float.
7844
7845 2012-07-30  Joseph Myers  <joseph@codesourcery.com>
7846
7847         * doc/sourcebuild.texi (Subdirectories): Document common subdirectory.
7848
7849 2012-07-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7850
7851         PR middle-end/53823
7852         * expmed.c (expand_mult): Skip synth_mult for constant double op1 except
7853         for special cases.  Don't initialize coeff and is_neg.
7854
7855 2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
7856             Richard Earnshaw  <rearnsha@arm.com>
7857
7858         * target.def (vector_alignment): New target hook.
7859         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
7860         * doc/tm.texi: Regenerate.
7861         * targhooks.c (default_vector_alignment): New function.
7862         * targhooks.h (default_vector_alignment): Add prototype.
7863         * stor-layout.c (layout_type): Use targetm.vector_alignment.
7864         * config/arm/arm.c (arm_vector_alignment): New function.
7865         (TARGET_VECTOR_ALIGNMENT): Define.
7866
7867         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
7868         vector type alignment instead of size.
7869         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
7870         element type size directly instead of computing it from alignment.
7871         Fix variable naming and comment.
7872
7873 2012-07-30  Kirill Yukhin  <kirill.yukhin@intel.com>
7874             Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
7875
7876         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDSEED_SET): New.
7877         (OPTION_MASK_ISA_RDSEED_UNSET): Likewise.
7878         (ix86_handle_option): Handle mrdseed option.
7879         * config.gcc (i[34567]86-*-*): Add rdseedintrin.h.
7880         (x86_64-*-*): Likewise.
7881         * config/i386/prfchwintrin.h: New header.
7882         * config/i386/cpuid.h (bit_RDSEED): New.
7883         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
7884         RDSEED support.
7885         * config/i386/i386-c.c: Define __RDSEED__ if needed.
7886         * config/i386/i386.c (ix86_target_string): Define -mrdseed option.
7887         (PTA_RDSEED): New.
7888         (ix86_option_override_internal): Handle new option.
7889         (ix86_valid_target_attribute_inner_p): Add OPT_mrdseed.
7890         (ix86_builtins): Add enum entries for RDSEED* builtins.
7891         (ix86_init_mmx_sse_builtins): Define new builtins.
7892         (ix86_expand_builtin): Expand RDSEED* builtins.
7893         * config/i386/i386.h (TARGET_RDSEED): New.
7894         * config/i386/i386.md (rdseed<mode>_1): New.
7895         * config/i386/i386.opt (mrdseed): New.
7896         * config/i386/x86intrin.h: Include rdseedintrin.h.
7897
7898 2012-07-30  Richard Guenther  <rguenther@suse.de>
7899
7900         * tree-into-ssa.c (mark_def_sites): Also process virtual operands.
7901         (rewrite_stmt): Likewise.
7902         (rewrite_enter_block): Likewise.
7903         (pass_build_ssa): Do not update virtual SSA form during TODO.
7904         (mark_symbol_for_renaming): Do nothing if we are not in SSA form.
7905         * lto-streamer-in.c (lto_read_body): Set in_ssa_p earlier.
7906
7907 2012-07-30  Oleg Endo  <olegendo@gcc.gnu.org>
7908
7909         PR target/39423
7910         * config/gcc/sh/sh.md (*movsi_index_disp, *movhi_index_disp): New
7911         insns.
7912
7913 2012-07-30  Oleg Endo  <olegendo@gcc.gnu.org>
7914
7915         PR target/51244
7916         * config/sh/sh.md (mov_neg_si_t): Move to Scc instructions section.
7917         Use t_reg_operand predicate.  Add split for negated case.
7918         (ashrsi2_31): Pass get_t_reg_rtx to gen_mov_neg_si_t.
7919         * config/sh/sh.c (expand_ashiftrt): Likewise.
7920
7921 2012-07-30  Oleg Endo  <olegendo@gcc.gnu.org>
7922
7923         PR target/54089
7924         * config/sh/sh.md (ashlsi3_d): Invoke gen_shifty_op directly instead
7925         of trying to emit ashlsi3_n.
7926
7927 2012-07-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
7928             Steven Bosscher  <steven@gcc.gnu.org>
7929
7930         * gengtype.c (adjust_field_type): Diagnose duplicate "length"
7931         option applications and option being applied to arrays of atomic types.
7932         (walk_type): Allow "atomic" option on strings too.
7933         * dwarf2out.h (struct dw_vec_struct): Use the "atomic" GTY option
7934         for the array field.
7935         * vec.h: Describe the atomic object "A" type of the macros in
7936         the header comment.
7937         (VEC_T_GTY_ATOMIC, DEF_VEC_A, DEF_VEC_ALLOC_A): Define.
7938         * emit-rtl.c (locations_locators_vals): use the atomic object vector.
7939         * doc/gty.texi: Clarify that GTY option "length" is only for
7940         arrays of non-atomic objects.  Fix typo in the description of the
7941         "atomic" option.
7942
7943 2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
7944
7945         * config/i386/i386.c (ix86_avoid_lea_for_addr): Handle
7946         zero-extended addresses.  Return false if the address has less
7947         than two components.
7948         (ix86_split_lea_for_addr): Unconditionally convert target and
7949         all address operands to requested mode.
7950         * config/i386/i386.md (*lea<mode>): Recover operands from curr_insn.
7951         Pass SImode to ix86_split_lea_for_addr when splitting zero-extended
7952         address.
7953         (zero-extended add splitter): New splitter to conditionally split
7954         non-destructive adds.
7955         (*zero_extendsidi2_rex64): Conditionally emit leal instead of movl.
7956
7957 2012-07-28  Alan Modra  <amodra@gmail.com>
7958
7959         PR target/54093
7960         * config/rs6000/rs6000.c (rs6000_secondary_reload): Limit 32-bit
7961         multi-gpr reload to cases where predicate passes.  Do the same for
7962         64-bit multi-gpr reload.
7963
7964 2012-07-27  Nathan Froyd  <froydnj@gcc.gnu.org>
7965
7966         * expmed.h (alg_hash, alg_hash_used_p, sdiv_pow2_cheap,
7967         smod_pow2_cheap, zero_cost, add_cost, neg_cost, shift_cost)
7968         shiftadd_cost, shiftsub0_cost, shiftsub1_cost, mul_cost,
7969         sdiv_cost, udiv_cost, mul_widen_cost, mul_highpart_cost): Delete
7970         macro definitions and re-purpose as inline functions.
7971         (alg_hash_entry_ptr, set_alg_hash_used_p, sdiv_pow2_cheap_ptr,
7972         set_sdiv_pow2_cheap, smod_pow2_cheap_ptr, set_smod_pow2_cheap,
7973         zero_cost_ptr, set_zero_cost, add_cost_ptr, set_add_cost,
7974         neg_cost_ptr, set_neg_cost, shift_cost_ptr, set_shift_cost,
7975         shiftadd_cost_ptr, set_shiftadd_cost, shiftsub0_cost_ptr,
7976         set_shiftsub0_cost, shiftsub1_cost_ptr, set_shiftsub1_cost,
7977         mul_cost_ptr, set_mul_cost, sdiv_cost_ptr, set_sdiv_cost,
7978         udiv_cost_ptr, set_udiv_cost, mul_widen_cost_ptr,
7979         set_mul_widen_cost, mul_highpart_cost_ptr, set_mul_highpart_cost):
7980         New functions.
7981         (convert_cost_ptr): New function, split out from...
7982         (set_convert_cost, convert_cost): ...here.
7983         * expmed.c, tree-ssa-loop-ivopts.c: Update for new functions.
7984         * gimple-ssa-strength-reduction.c: Likewise.
7985
7986 2012-07-20  Ryan Mansfield  <rmansfield@qnx.com>
7987
7988         * gcc.c (main): Move GCC_DRIVER_HOST_INITIALIZATION after
7989         diagnostic_initialize.
7990
7991 2012-07-27  Oleg Endo  <olegendo@gcc.gnu.org>
7992
7993         PR target/54089
7994         * config/sh/sh.c (shiftcosts): Remove case where first operand
7995         is a const_int.  Move COSTS_N_INSNS usage into caller ...
7996         (sh_rtx_costs) ... here.  Return false when shiftcosts cannot be
7997         calculated instead of MAX_COST.
7998
7999 2012-07-27  Richard Guenther  <rguenther@suse.de>
8000
8001         * tree-cfg.c (gimple_can_merge_blocks_p): Do more fine-grained
8002         check whether SSA form is not up-to-date.
8003         * tree-flow.h (name_mappings_registered_p): Remove.
8004         * tree-into-ssa.c (struct repl_map_d): Remove.
8005         (repl_tbl): Likewise.
8006         (struct ssa_name_info): Add repl_set member.
8007         (update_ssa_obstack): New static global.
8008         (get_ssa_name_ann): Initialize repl_set.
8009         (clear_ssa_name_info): Assert age did not wrap.
8010         (repl_map_hash, repl_map_eq, repl_map_free): Remove.
8011         (names_replaced_by): Adjust.
8012         (add_to_repl_tbl): Likewise.
8013         (dump_tree_ssa_stats): Likewise.
8014         (init_update_ssa): Initialize update_ssa_obstack.
8015         (delete_update_ssa): Free update_ssa_obstack.
8016         (name_mappings_registered_p): Remove.
8017         (update_ssa): Adjust.
8018
8019 2012-07-27  Segher Boessenkool  <segher@kernel.crashing.org>
8020
8021         * config/rs6000/constraints.md: Delete "q" constraint.
8022         * config/rs6000/dfp.md (movsd_hardfloat, movsd_softfloat):
8023         Delete the "q" alternative.
8024         * config/rs6000/predicates.md (gpc_reg_operand): Adjust.
8025         * config/rs6000/rs6000.c (rs6000_debug_reg_global)
8026         (rs6000_init_hard_regno_mode_ok, rs6000_dbx_register_number):
8027         adjust to MQ_REGNO removal.
8028         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust
8029         comment.
8030         (REG_ALLOC_ORDER): Adjust comment.  Remove MQ from alloc order.
8031         (enum reg_class): Adjust comment.  Delete MQ_REGS.
8032         (REG_CLASS_CONTENTS): Adjust.
8033         (REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES): Adjust comment.
8034         * config/rs6000/rs6000.md: Delete MQ_REGNO.
8035         (movsi_internal1, movsi_internal1_single, movhi_internal,
8036         movqi_internal, movcc_internal1, movsf_hardfloat,
8037         movsf_softfloat): Delete the "q" alternative.
8038         (ctr<mode>_internal1, ctr<mode>_internal2, ctr<mode>_internal5,
8039         ctr<mode>_internal6): Delete "q" constraint.
8040
8041 2012-07-27  Richard Guenther  <rguenther@suse.de>
8042
8043         * tree-into-ssa.c (def_blocks_p): New typedef.
8044         (insert_phi_nodes_compare_def_blocks): New function.
8045         (insert_phi_nodes): Do not walk over referenced vars, instead
8046         walk over recorded def_blocks, record relevant ones and sort
8047         them to avoid repeated hashtable lookups.
8048
8049 2012-07-27  Richard Guenther  <rguenther@suse.de>
8050
8051         * doc/invoke.texi (min-virtual-mappings, virtual-mappings-ratio):
8052         Remove param documentation.
8053         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS,
8054         PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Remove.
8055         * tree-flow.h (mark_set_for_renaming): Remove.
8056         * tree-into-ssa.c (struct update_ssa_stats_d): Remove.
8057         (add_new_name_mapping): Remove bookkeeping code.
8058         (dump_update_ssa): Remove stats dumping code.
8059         (init_update_ssa): Remove stats allocation code.
8060         (delete_update_ssa): Remove stats freeing code.
8061         (mark_set_for_renaming): Remove.
8062         (switch_virtuals_to_full_rewrite_p): Likewise.
8063         (switch_virtuals_to_full_rewrite): Likewise.
8064         (update_ssa): Do not call switch_virtuals_to_full_rewrite.
8065
8066 2012-07-27  Marek Polacek  <polacek@redhat.com>
8067
8068         * cgraphunit.c: Rename varpool_finalize_variable to
8069         varpool_finalize_decl in a comment.
8070
8071 2012-07-27  Segher Boessenkool  <segher@kernel.crashing.org>
8072
8073         * common/config/rs6000/rs6000-common.c (rs6000_handle_option):
8074         Delete code for -mno-power, -mpower, and -mpower2.
8075         * config/rs6000/aix43.h (NON_POWERPC_MASKS): Delete.
8076         (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
8077         with -maix64.
8078         (ASM_CPU_SPEC): Delete support for POWER and POWER2.
8079         * config/rs6000/aix51.h (NON_POWERPC_MASKS): Delete.
8080         (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
8081         with -maix64.
8082         (ASM_CPU_SPEC): Delete support for POWER and POWER2.
8083         * config/rs6000/aix52.h (NON_POWERPC_MASKS): Delete.
8084         (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
8085         with -maix64.
8086         (TARGET_POWER): Delete.
8087         * config/rs6000/aix53.h (NON_POWERPC_MASKS): Delete.
8088         (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
8089         with -maix64.
8090         (TARGET_POWER): Delete.
8091         * config/rs6000/aix61.h (NON_POWERPC_MASKS): Delete.
8092         (SUBTARGET_OVERRIDE_OPTIONS): Delete check for POWER together
8093         with -maix64.
8094         (TARGET_POWER): Delete.
8095         * config/rs6000/darwin.h (TARGET_POWER): Delete.
8096         * config/rs6000/driver-rs6000.c (struct asm_names): Delete
8097         support for -mpower, -mpower2, and -mno-power.
8098         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros):
8099         Likewise.
8100         (rs6000_cpu_cpp_builtins): Likewise.
8101         * config/rs6000/rs6000-cpus.def: Likewise.
8102         * config/rs6000/rs6000-tables.opt: Regenerate.
8103         * config/rs6000/rs6000.c (POWER_MASKS): Delete.
8104         (rs6000_option_override_internal): Adjust.
8105         (rs6000_conditional_register_usage): Adjust.
8106         (rs6000_emit_move): Adjust.
8107         (rs6000_common_init_builtins): Adjust.
8108         (rs6000_init_libfuncs): Adjust.
8109         (rs6000_output_function_prologue): Adjust.
8110         (rs6000_adjust_cost): Adjust.
8111         (struct rs6000_opt_masks): Delete MASK_POWER and MASK_POWER2.
8112         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Delete support for
8113         POWER and POWER2.
8114         (TARGET_DEFAULT): Adjust.
8115         (PROCESSOR_POWER): Delete.
8116         (SHIFT_COUNT_TRUNCATED): Adjust.
8117         * config/rs6000/rs6000.md (extendqisi2): Delete POWER support.
8118         (extendqisi2_power): Delete.
8119         (extendqisi2_no_power): Adjust.
8120         (extendqihi2, extendqihi2_power, extendqihi2_no_power):
8121         Likewise.
8122         (sminsi3, smaxsi3, uminsi3, umaxsi3): Adjust.
8123         (anonymous doz insn patterns): Delete.
8124         (abssi2): Adjust.
8125         (abssi2_power): Delete.
8126         (abssi2_nopower): Adjust.
8127         (nabs_power, nabs_nopower): Likewise.
8128         (mulsi3, mulsi3_mq, mulsi3_no_mq, mulsi3_mq_internal1):
8129         Likewise.  Delete anonymous post-reload splitter.
8130         (mulsi3_no_mq_internal1): rename to...
8131         (mulsi3_internal1): New define_insn.
8132         (mulsi3_mq_internal2, mulsi3_no_mq_internal2, mulsi3_internal2):
8133         Likewise.
8134         (divmodsi4, divmodsi4_internal, udiv<mode>3, udivsi3_mq,
8135         udivsi3_no_mq, udivsi3, div<mode>3, divsi3_mq, div<mode>3_no_mq,
8136         udivmodsi4_normal, udivmodsi4_tests, udivmodsi4): Likewise.
8137         (mulh_call, mull_call, divss_call, divus_call, quoss_call,
8138         quous_call): Likewise.
8139         (maskir_internal1, maskir_internal2, maskir_internal3,
8140         maskir_internal4, maskir_internal5, maskir_internal6,
8141         maskir_internal7, maskir_internal8): Delete.
8142         (ashlsi3, ashlsi3_power, ashlsi3_no_power): Adjust.
8143         (anonymous sl insn patterns): Delete.
8144         (lshrsi3, lshrsi3_power, lshrsi3_no_power): Adjust.
8145         (lshrsi3_64): Adjust.
8146         (anonymous sr insn patterns): Delete.
8147         (anonymous rrib insn patterns): Delete.
8148         (ashrsi3, ashrsi3_power, ashrsi3_no_power): Adjust.
8149         (anonymous sra insn patterns): Delete.
8150         (sqrtsf2, sqrtdf2, sqrtdf2_fpr): Adjust.
8151         (fix_trunc<mode>si2, fix_trunc<mode>si2_internal,
8152         fctiwz_<mode>): Adjust.
8153         (mulsidi3, mulsidi3_mq, mulsidi3_no_mq, umulsidi3, umulsidi3_mq,
8154         umulsidi3_no_mq, smulsi3_highpart, smulsi3_highpart_mq,
8155         smulsi3_highpart_no_mq, umulsi3_highpart, umulsi3_highpart_mq,
8156         umulsi3_highpart_no_mq): Adjust.
8157         (ashldi3_power, lshrdi3_power, ashrdi3_power): Delete.
8158         (ashrdi3_no_power, ashldi3, ashldi3_internal1,
8159         lshrdi3_internal1): Adjust.
8160         (fix_trunctfsi2, fix_trunctfsi2_fprs): Adjust.
8161         (movti_power): Delete.
8162         (movti_string): Adjust.
8163         (stmsi8, stmsi7, stmsi6, stmsi5, stmsi4, stmsi3): Adjust.
8164         (stmsi8_power, stmsi7_power, stmsi6_power, stmsi5_power,
8165         stmsi4_power, stmsi3_power): Delete.
8166         (anonymous movmemsi insn patterns): Adjust.
8167         (lfq_power2, stfq_power2): Delete.
8168         (eq<mode>, eq<mode>_compare): Adjust.
8169         (eqsi_power): Delete.
8170         (ne0si): Adjust.
8171         (anonymous le, lt, ge, gt insn patterns): Delete.
8172         * config/rs6000/rs6000.opt (mpower, mno-power, mpower2): Delete.
8173         * config/rs6000/sysv4.h (TARGET_POWER): Delete.
8174         * config/rs6000/t-aix43 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
8175         MULTILIB_MATCHES): Adjust.
8176         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
8177         -mpower, -mno-power, -mpower2, -mno-power2 documentation.
8178         Delete -mcpu=power and -mcpu=power2 documentation.
8179
8180 2012-07-27  Segher Boessenkool  <segher@kernel.crashing.org>
8181
8182         * config/rs6000/601.md: New file.
8183         * config/rs6000/aix43.h (ASM_CPU_SPEC): Delete support for
8184         RIOS CPUs.
8185         * config/rs6000/aix51.h (ASM_CPU_SPEC): Likewise.
8186         * config/rs6000/driver-rs6000.c (detect_processor_aix,
8187         struct asm_names): Likewise.
8188         * config/rs6000/rios1.md: Delete file.
8189         * config/rs6000/rios2.md: Delete file.
8190         * config/rs6000/rs6000-cpus.def: Delete definitions for RIOS
8191         CPUs.
8192         * config/rs6000/rs6000-opts.h (enum processor_type): Delete
8193         PROCESSOR_RIOS1 and PROCESSOR_RIOS2.
8194         * config/rs6000/rs6000-tables.opt: Regenerated.
8195         * config/rs6000/rs6000.c (struct rios1_cost, struct rios2_cost):
8196         Delete.
8197         (rs6000_option_override_internal): Delete support for RIOS CPUs.
8198         (rs6000_conditional_register_usage): Adjust comment.
8199         (rs6000_issue_rate):Delete support for RIOS CPUs.
8200         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Delete support for
8201         RIOS CPUs.
8202         (PROCESSOR_POWER): Change to PROCESSOR_PPC601.
8203         (PROCESSOR_DEFAULT): Change to PROCESSOR_PPC603.
8204         * config/rs6000/rs6000.md (define_attr "cpu"): Delete rios1
8205         and rios2.
8206         (include "rios1.md", include "rios2.md"): Delete.
8207         (include "601.md"): New.
8208         * config/rs6000/rs6000.opt (enum rs6000_cpu): Default to
8209         PROCESSOR_PPC603.
8210         * config/rs6000/t-aix43 (MULTILIB_MATCHES): Delete support
8211         for RIOS CPUs.
8212         * config/rs6000/t-rs6000 (MD_INCLUDES): Delete rios1.md and
8213         rios2.md .  Add 601.md .
8214
8215 2012-07-26  Richard Henderson  <rth@redhat.com>
8216
8217         * doc/extend.texi (attribute): Document hot/cold for labels.
8218         * predict.c (tree_estimate_probability_bb): Handle hot/cold
8219         attributes on user labels.
8220         * predict.def (PRED_HOT_LABEL, PRED_COLD_LABEL): New.
8221
8222 2012-07-26  Andrew Jenner  <andrew@codesourcery.com>
8223             Sandra Loosemore  <sandra@codesourcery.com>
8224
8225         * cse.c (find_comparison_args): Check for cycles of any length.
8226
8227 2012-07-26  Nick Clifton  <nickc@redhat.com>
8228
8229         * config/mn10300/mn10300.c (REG_SAVE_BYTES): Delete.
8230         (mn10300_get_live_callee_saved_regs): If requested return a count
8231         of the number of bytes in the mask.
8232         (mn10300_expand_prologue): Add argument to invocation of
8233         mn10300_get_live_callee_regs.
8234         (mn10300_expand_epilogue): Compute reg_save_bytes by calling
8235         mn10300_get_live_callee_saved_regs.
8236         (mn10300_initial_offset): Likewise.
8237         * config/mn10300/mn10300-protos.h (mn10300_get_live_callee_saved_regs):
8238         Update prototype.
8239         * config/mn10300/mn10300.md (return_ret): Add argument to
8240         invocation of mn10300_get_live_callee_saved_regs.
8241
8242 2012-07-26  Steven Bosscher  <steven@gcc.gnu.org>
8243
8244         PR regression/54084
8245         * sel-sched-ir.c (cmp_v_in_regset_pool): Clarify logic, fix
8246         pointer difference check.
8247
8248 2012-07-26  Bill Schmidt  <wschmidt@linux.ibm.com>
8249
8250         * tree-ssa-loop-ivopts.c (mbc_entry_hash): Remove.
8251         (mbc_entry_eq): Likewise.
8252         (mult_costs): Likewise.
8253         (cost_tables_exist): Likewise.
8254         (initialize_costs): Likewise.
8255         (finalize_costs): Likewise.
8256         (tree_ssa_iv_optimize_init): Remove call to initialize_costs.
8257         (add_regs_cost): Remove.
8258         (multiply_regs_cost): Likewise.
8259         (add_const_cost): Likewise.
8260         (extend_or_trunc_reg_cost): Likewise.
8261         (negate_reg_cost): Likewise.
8262         (struct mbc_entry): Likewise.
8263         (multiply_by_const_cost): Likewise.
8264         (get_address_cost): Change add_regs_cost calls to add_cost lookups;
8265         change multiply_by_const_cost to mult_by_coeff_cost.
8266         (force_expr_to_var_cost): Likewise.
8267         (difference_cost): Change multiply_by_const_cost to mult_by_coeff_cost.
8268         (get_computation_cost_at): Change add_regs_cost calls to add_cost
8269         lookups; change multiply_by_const_cost to mult_by_coeff_cost.
8270         (determine_iv_cost): Change add_regs_cost calls to add_cost lookups.
8271         (tree_ssa_iv_optimize_finalize): Remove call to finalize_costs.
8272         * tree-ssa-address.c (expmed.h): New #include.
8273         (most_expensive_mult_to_index): Change multiply_by_const_cost to
8274         mult_by_coeff_cost.
8275         * gimple-ssa-strength-reduction.c (expmed.h): New #include.
8276         (stmt_cost): Change to use mult_by_coeff_cost, mul_cost, add_cost,
8277         neg_cost, and convert_cost instead of IVOPTS interfaces.
8278         (execute_strength_reduction): Remove calls to initialize_costs and
8279         finalize_costs.
8280         * expmed.c (struct init_expmed_rtl): Add convert rtx_def.
8281         (init_expmed_one_mode): Initialize convert rtx_def; initialize
8282         x_convert_cost for related modes.
8283         (mult_by_coeff_cost): New function.
8284         * expmed.h (NUM_MODE_INT): New #define.
8285         (struct target_expmed): Add x_convert_cost matrix.
8286         (set_convert_cost): New inline function.
8287         (convert_cost): Likewise.
8288         (mult_by_coeff_cost): New extern decl.
8289         * tree-flow.h (initialize_costs): Remove decl.
8290         (finalize_costs): Likewise.
8291         (multiply_by_const_cost): Likewise.
8292         (add_regs_cost): Likewise.
8293         (multiply_regs_cost): Likewise.
8294         (add_const_cost): Likewise.
8295         (extend_or_trunc_reg_cost): Likewise.
8296         (negate_reg_cost): Likewise.
8297         * Makefile.in (gimple-ssa-strength-reduction.o): Update dependencies.
8298         (tree-ssa-address.o): Update dependencies.
8299
8300 2012-07-26  Steven Bosscher  <steven@gcc.gnu.org>
8301
8302         * bitmap.h: Add explanation of sparse set as linked-list bitmap.
8303         * sbitmap.h: Add explanation about non-sparse sets as simple bitmap.
8304         (TEST_BIT): Make a static inline function for stronger type checking.
8305         (SET_BIT): Don't handle sbitmaps with popcount.
8306         (RESET_BIT): Likewise.
8307         (SET_BIT_WITH_POPCOUNT): New, like SET_BIT but with popcount.
8308         (RESET_BIT_WITH_POPCOUNT): New, like RESET_BIT but with popcount.
8309         * ebitmap.c (ebitmap_clear_bit): Use SET_BIT_WITH_POPCOUNT and
8310         RESET_BIT_WITH_POPCOUNT on wordmask bitmaps.
8311         (ebitmap_set_bit, ebitmap_and_into, ebitmap_and, ebitmap_ior_into,
8312         ebitmap_and_compl_into, ebitmap_and_compl): Likewise.
8313         * sparseset.h: Add explanation of sparse set representation.
8314
8315 2012-07-26  Richard Guenther  <rguenther@suse.de>
8316
8317         PR tree-optimization/54098
8318         * tree-vrp.c (vrp_visit_phi_node): Iterate once more if the
8319         original range was UNDEFINED.
8320
8321 2012-07-26  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
8322
8323         * config/arm/neon.ml (ops): Fix regexp for vld1Q_dups64 and
8324         vld1Q_dupu64 tests.
8325
8326 2012-07-26  Oleg Endo  <olegendo@gcc.gnu.org>
8327
8328         PR target/51244
8329         * config/sh/sh.opt (mzdcbranch): New option.
8330         * doc/invoke.texi: Document it.
8331         * config/sh/sh.md (negsi_cond): Use TARGET_ZDCBRANCH as condition
8332         instead of TARGET_HARD_SH4.
8333         * config/sh/sh.c (sh_option_override): Set TARGET_ZDCBRANCH as default
8334         for TARGET_HARD_SH4.
8335
8336 2012-07-25  Oleg Endo  <olegendo@gcc.gnu.org>
8337
8338         PR target/54089
8339         * config/sh/predicates.md (shift_count_operand): Handle not-SHMEDIA
8340         case.
8341         (p27_shift_count_operand, not_p27_shift_count_operand): New predicates.
8342         * config/sh/sh.md (ashlsi3): Remove parallel and T_REG clobber
8343         from expander.  Do not emit shift insn for not-SHMEDIA case.
8344         (ashlsi3_std): Replace with ...
8345         (ashlsi3_k, ashlsi3_d): ... these new insns.
8346         * config/sh/sh.c (gen_ashift): Make static.  Add sanity checks.
8347         Emit ashlsi3_k insn instead of ashlsi3_std in ASHIFT case.
8348         (gen_ashift_hi): Make static.
8349         * config/sh/sh-protos.h (gen_ashift, gen_ashift_hi): Remove forward
8350         declaration.
8351
8352 2012-07-25  Bharathi Seshadri  <bseshadr@cisco.com>
8353             Jim Wilson  <jimwilso@cisco.com>
8354
8355         * config/arm/bpabi.h (BE8_LINK_SPEC): Set according to
8356         TARGET_BIG_ENDIAN_DEFAULT.
8357
8358 2012-07-25  Eric Botcazou  <ebotcazou@adacore.com>
8359
8360         * gimple-low.c (lower_try_catch): New function.
8361         (lower_stmt) <GIMPLE_TRY>: Use it to lower GIMPLE_TRY_CATCH.
8362         <GIMPLE_CATCH>: Delete.
8363         <GIMPLE_EH_FILTER>: Likewise.
8364
8365 2012-07-25  Eric Botcazou  <ebotcazou@adacore.com>
8366
8367         * expr.c (expand_expr_real_1): Do not expand operand #1 and #2
8368         of BIT_FIELD_REF for ignored results.
8369         * fold-const.c (fold_ternary_loc) <BIT_FIELD_REF>: Check that the
8370         CONSTRUCTOR has vector type before using vector accessors on it.
8371         * gimplify.c (gimplify_compound_lval): Do not gimplify operand #1 and
8372         #2 of BIT_FIELD_REF.
8373         (gimplify_expr) <BIT_FIELD_REF>: Likewise.
8374         * tree-nested.c (convert_nonlocal_reference_op) <BIT_FIELD_REF>: Do
8375         not process operand #1 and #2.
8376         (convert_local_reference_op): Likewise.
8377         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Remove superfluous
8378         breaks throughout.
8379         <BIT_FIELD_REF>: Reuse operand #1 and #2 directly.
8380         * tree.c (stabilize_reference) <BIT_FIELD_REF>: Do not stabilize
8381         operand #1 and #2.
8382         (UPDATE_FLAGS): Do not consider operand #2 of BIT_FIELD_REF.
8383         (build6_stat): Delete.
8384         * tree.h (build6_stat, build6, build6_stat_loc, build6_loc): Likewise.
8385
8386 2012-07-25 Marc Glisse <marc.glisse@inria.fr>
8387
8388         PR tree-optimization/30318
8389         * tree-vrp.c (extract_range_from_binary_expr_1) [PLUS_EXPR]:
8390         Handle __int128.
8391         [MINUS_EXPR]: Merge with PLUS_EXPR.
8392
8393 2012-07-25  Sandra Loosemore  <sandra@codesourcery.com>
8394             Paul Brook  <paul@codesourcery.com>
8395
8396         PR target/53633
8397         * target.def (warn_func_return): New hook.
8398         * doc/tm.texi.in (TARGET_WARN_FUNC_RETURN): New hook.
8399         * doc/tm.texi: Regenerate.
8400         * doc/sourcebuild.texi (Effective-Target Keywords): Document
8401         naked_functions.
8402         * ipa-pure-const.c (warn_function_noreturn): Check
8403         targetm.warn_func_return.
8404         * tree-cfg.c (execute_warn_function_return): Likewise.
8405         * config/spu/spu.c (spu_warn_func_return): New.
8406         (TARGET_WARN_FUNC_RETURN): Define.
8407         * config/rx/rx.c (rx_warn_func_return): New.
8408         (TARGET_WARN_FUNC_RETURN): Define.
8409         * config/avr/avr.c (avr_warn_func_return): New.
8410         (TARGET_WARN_FUNC_RETURN): Define.
8411         * config/arm/arm.c (arm_warn_func_return): New.
8412         (TARGET_WARN_FUNC_RETURN): Define.
8413         * config/mcore/mcore.c (mcore_warn_func_return): New.
8414         (TARGET_WARN_FUNC_RETURN): Define.
8415         (saved_warn_return_type, saved_warn_return_type_count): Remove.
8416         (mcore_reorg, mcore_handle_naked_attribute): Remove warn_return hack.
8417
8418 2012-07-25  Siddhesh Poyarekar  <siddhesh@redhat.com>
8419
8420         * final.c [ASSEMBLER_DIALECT](do_assembler_dialects): New
8421         function to implement assembler dialects.
8422         (output_asm_insn): Use do_assembler_dialects.
8423         (asm_fprintf): Likewise.
8424
8425 2012-07-25  Richard Henderson  <rth@redhat.com>
8426
8427         PR bootstrap/54092
8428         * libfuncs.h: Don't include optabs.h.
8429         (struct libfunc_entry): Use "int" for op, mode1, mode2 members.
8430         * optabs.c (hash_libfunc): Don't cast members to int.
8431         * Makefile.in (LIBFUNCS_H): Don't include OPTABS_H.
8432
8433 2012-07-25  Dodji Seketeli  <dodji@redhat.com>
8434
8435         * basic-block.c: Fix typo in comment.
8436
8437 2012-07-25  Kirill Yukhin  <kirill.yukhin@intel.com>
8438             Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
8439
8440         * common/config/i386/i386-common.c (OPTION_MASK_ISA_PRFCHW_SET): New.
8441         (OPTION_MASK_ISA_PRFCHW_UNSET): Likewise.
8442         (ix86_handle_option): Handle mprfchw option.
8443         * config.gcc (i[34567]86-*-*): Add prfchwintrin.h.
8444         (x86_64-*-*): Likewise.
8445         * config/i386/prfchwintrin.h: New header.
8446         * config/i386/cpuid.h (bit_PRFCHW): New.
8447         (bit_BMI): Formatting fix.
8448         (bit_HLE): Likewise.
8449         (bit_RTM): Likewise.
8450         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
8451         PREFETCHW support.
8452         * config/i386/i386-c.c: Define __PRFCHW__ if needed.
8453         * config/i386/i386.c (ix86_target_string): Define
8454         -mprfchw option. Formatting fixes.
8455         (PTA_HLE): Formatting fix.
8456         (PTA_PRFCHW): New.
8457         (ix86_option_override_internal): Handle new option.
8458         (ix86_valid_target_attribute_inner_p): Add OPT_mprfchw.
8459         * config/i386/i386.h (TARGET_PRFCHW): New.
8460         * config/i386/i386.md (prefetch): Enable for TARGET_PRFCHW.
8461         * config/i386/i386.opt (mprfchw): New.
8462         * config/i386/mm3dnow.h: Move _m_prefetchw from here to prfchwintrin.h.
8463         * config/i386/x86intrin.h: Include prfchwintrin.h.
8464
8465 2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
8466
8467         * config/i386/i386.md (stack_protect_set): Disable the pattern
8468         for Android since Android libc (bionic) does not provide random
8469         value for stack protection guard at gs:0x14. Guard value
8470         will be provided from external symbol (default implementation).
8471         (stack_protect_set_<mode>): Likewise.
8472         (stack_protect_test): Likewise.
8473         (stack_protect_test_<mode>): Likewise.
8474         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
8475         not have Bionic by default
8476         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
8477         Macro OPTION_BIONIC is defined in this file and provides Bionic
8478         accessibility status
8479
8480 2012-07-25  Steven Bosscher  <steven@gcc.gnu.org>
8481
8482         * gimple-pretty-print.c (gimple_dump_bb_buff): Call pp_flush.
8483
8484 2012-07-25  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
8485
8486         btver2 Enablement
8487         * config.gcc (i[34567]86-*-linux* | ...): Add btver2.
8488         (case ${target}): Add btver2.
8489         * config/i386/driver-i386.c (host_detect_local_cpu): Let
8490         -march=native recognize btver2 processors.
8491         * config/i386/i386-c.c (ix86_target_macros_internal): Add
8492         btver2 def_and_undef
8493         * config/i386/i386.c (struct processor_costs btver2_cost): New
8494         btver2 cost table.
8495         (m_BTVER2): New definition.
8496         (m_AMD_MULTIPLE): Includes m_BTVER2.
8497         (initial_ix86_tune_features): Add btver2 tune.
8498         (processor_target_table): Add btver2 entry.
8499         (static const char *const cpu_names): Add btver2 entry.
8500         (software_prefetching_beneficial_p): Add btver2.
8501         (ix86_option_override_internal): Add btver2 instruction sets.
8502         (ix86_issue_rate): Add btver2.
8503         (ix86_adjust_cost): Add btver2.
8504         * config/i386/i386.h (TARGET_BTVER2): New definition.
8505         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver2.
8506         (enum processor_type): Add PROCESSOR_BTVER2.
8507         * config/i386/i386.md (define_attr "cpu"): Add btver2.
8508
8509 2012-07-24  Bill Schmidt  <wschmidt@linux.ibm.com>
8510
8511         * doc/tm.texi: Regenerate.
8512         * targhooks.c (default_init_cost): Add prologue and epilogue costs.
8513         (default_add_stmt_cost): Likewise; also handle NULL stmt_info.
8514         (default_finish_cost): Add prologue and epilogue costs.
8515         * targhooks.h (default_add_stmt_cost): Change parameter list.
8516         (default_finish_cost): Likewise.
8517         * target.def (init_cost): Change documentation string.
8518         (add_stmt_cost): Change documentation string and parameter list.
8519         (finish_cost): Likewise.
8520         * target.h (vect_cost_model_location): New enum.
8521         * tree-vectorizer.h (struct _slp_tree): Remove cost substruct.
8522         (struct _slp_instance): Remove cost substruct; rename stmt_cost_vec
8523         to body_cost_vec.
8524         (SLP_INSTANCE_OUTSIDE_OF_LOOP_COST): Remove.
8525         (SLP_INSTANCE_STMT_COST_VEC): Rename to SLP_INSTANCE_BODY_COST_VEC.
8526         (SLP_TREE_OUTSIDE_OF_LOOP_COST): Remove.
8527         (struct _vect_peel_extended_info): Rename stmt_cost_vec to
8528         body_cost_vec.
8529         (struct _stmt_vec_info): Remove cost substruct.
8530         (STMT_VINFO_OUTSIDE_OF_LOOP_COST): Remove.
8531         (stmt_vinfo_set_outside_of_loop_cost): Remove.
8532         (builtin_vectorization_cost): New function.
8533         (vect_get_stmt_cost): Change to use builtin_vectorization_cost.
8534         (add_stmt_cost): Change parameter list.
8535         (finish_cost): Likewise.
8536         (vect_model_simple_cost): Likewise.
8537         (vect_model_store_cost): Likewise.
8538         (vect_model_load_cost): Likewise.
8539         (record_stmt_cost): Likewise.
8540         (vect_get_load_cost): Likewise.
8541         (vect_get_known_peeling_cost): Likewise.
8542         * tree-vect-loop.c (vect_get_known_peeling_cost): Change parameter
8543         list; call record_stmt_cost for prologue and epilogue costs.
8544         (vect_estimate_min_profitable_iters): Call add_stmt_cost for
8545         prologue and epilogue costs; remove computation of vec_outside_cost;
8546         return vec_prologue_cost and vec_epilogue_cost from finish_cost.
8547         (vect_model_reduction_cost): Revise call to add_stmt_cost for body
8548         costs; call add_stmt_cost for prologue and epilogue costs.
8549         (vect_model_induction_cost): Revise call to add_stmt_cost for body
8550         costs; call add_stmt_cost for prologue costs.
8551         * tree-vect-data-refs.c (vect_get_data_access_cost): Change parameter
8552         list for function and arguments for calls to vect_get_load_cost and
8553         vect_get_store_cost.
8554         (vect_peeling_hash_get_lowest_cost): Change argument list for calls to
8555         vect_get_data_access_cost and vect_get_known_peeling_cost; use
8556         temporary vectors prologue_cost_vec and epilogue_cost_vec for the
8557         latter call and discard their results; rename stmt_cost_vec to
8558         body_cost_vec; correct possible storage leak for body_cost_vec.
8559         (vect_peeling_hash_choose_best_peeling): Rename stmt_cost_vec to
8560         body_cost_vec.
8561         (vect_enhance_data_refs_alignment): Rename stmt_cost_vec to
8562         body_cost_vec; add extra dummy parameter on calls to
8563         vect_get_data_access_cost; tolerate null si->stmt; add vect_body to
8564         argument list on call to add_stmt_cost.
8565         * tree-vect-stmts.c (record_stmt_cost): Change parameter list;
8566         rename stmt_cost_vec to body_cost_vec; tolerate null stmt_info; call
8567         builtin_vectorization_cost; add "where" parameter on call to
8568         add_stmt_cost.
8569         (vect_model_simple_cost): Change parameter list; call record_stmt_cost
8570         for prologue costs; remove call to stmt_vinfo_set_outside_of_loop_cost;
8571         rename stmt_cost_vec to body_cost_vec.
8572         (vect_model_promotion_demotion_cost): Add vect_body argument to call
8573         to add_stmt_cost; call add_stmt_cost for prologue costs; remove call
8574         to stmt_vinfo_set_outside_of_loop_cost.
8575         (vect_model_store_cost): Change parameter list; call record_stmt_cost
8576         for prologue costs; add vect_body argument to call to record_stmt_cost;
8577         rename stmt_cost_vec to body_cost_vec; remove call to
8578         stmt_vinfo_set_outside_of_loop_cost.
8579         (vect_get_store_cost): Rename stmt_cost_vec to body_cost_vec; add
8580         vect_body argument to calls to record_stmt_cost.
8581         (vect_model_load_cost): Change parameter list; rename stmt_cost_vec to
8582         body_cost_vec; add vect_body argument to calls to record_stmt_cost;
8583         remove call to stmt_vinfo_set_outside_of_loop_cost.
8584         (vect_get_load_cost): Change parameter list; rename stmt_cost_vec to
8585         body_cost_vec; add vect_body argument to calls to record_stmt_cost;
8586         call record_stmt_cost for prologue costs.
8587         (vectorizable_store): Change argument list for call to
8588         vect_model_store_cost.
8589         (vectorizable_load): Change argument list for call to
8590         vect_model_load_cost.
8591         (new_stmt_vec_info): Remove assignment to
8592         STMT_VINFO_OUTSIDE_OF_LOOP_COST.
8593         * config/spu/spu.c (spu_init_cost): Add prologue and epilogue costs.
8594         (spu_add_stmt_cost): Likewise; also handle NULL stmt_info.
8595         (spu_finish_cost): Add prologue and epilogue costs.
8596         * config/i386/i386.c (i386_init_cost): Add prologue and epilogue costs.
8597         (i386_add_stmt_cost): Likewise; also handle NULL stmt_info.
8598         (i386_finish_cost): Add prologue and epilogue costs.
8599         * config/rs6000/rs6000.c (rs6000_init_cost): Add prologue and epilogue
8600         costs.
8601         (rs6000_add_stmt_cost): Likewise; also handle NULL stmt_info.
8602         (rs6000_finish_cost): Add prologue and epilogue costs.
8603         * tree-vect-slp.c (vect_free_slp_instance): Rename
8604         SLP_INSTANCE_STMT_COST_VEC to SLP_INSTANCE_BODY_COST_VEC.
8605         (vect_create_new_slp_node): Remove assignment to
8606         SLP_TREE_OUTSIDE_OF_LOOP_COST.
8607         (vect_get_and_check_slp_defs): Change parameter list; change argument
8608         lists to calls to vect_model_store_cost and vect_model_simple_cost.
8609         (vect_build_slp_tree): Change parameter list; change argument lists
8610         to calls to vect_model_load_cost, vect_get_and_check_slp_defs, and
8611         recursive self-calls; remove setting of outside_cost from
8612         SLP_TREE_OUTSIDE_OF_LOOP_COST; add vect_body argument to call to
8613         record_stmt_cost.
8614         (vect_analyze_slp_instance): Rename stmt_cost_vec to body_cost_vec;
8615         rename SLP_INSTANCE_STMT_COST_VEC to SLP_INSTANCE_BODY_COST_VEC;
8616         remove assignment to SLP_INSTANCE_OUTSIDE_OF_LOOP_COST; record SLP
8617         prologue costs.
8618         (vect_bb_vectorization_profitable_p): Rename stmt_cost_vec to
8619         body_cost_vec; handle null ci->stmt; add vect_body argument to call
8620         to add_stmt_cost; simplify calls to targetm.vectorize.
8621         builtin_vectorization_cost; return vec_prologue_cost and
8622         vec_epilogue_cost from finish_cost.
8623         (vect_update_slp_costs_according_to_vf): Rename stmt_cost_vec to
8624         body_cost_vec; add vect_body argument to call to add_stmt_cost.
8625
8626 2012-07-24  Richard Henderson  <rth@redhat.com>
8627
8628         * system.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Poison.
8629         * config/cris/cris.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
8630         * config/h8300/h8300.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
8631         * config/mn10300/mn10300.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
8632         * config/rs6000/rs6000.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove
8633         comment reference.
8634         * config/v850/v850.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
8635         * config/v850/v850.md (fixuns_truncsfsi2, fixuns_truncdfsi2): New.
8636         (fix_truncsfsi2, fix_truncdfsi2): Avoid double FIX.
8637         * config/vax/vax.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
8638         * config/vax/vax.md (fixuns_trunc<VAXfp><VAXint>): New.
8639         * doc/tm.texi.in (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
8640         * doc/tm.texi: Rebuild.
8641
8642 2012-07-24  Richard Henderson  <rth@redhat.com>
8643
8644         * optabs.def: New file.
8645         * Makefile.in (OPTABS_H): Add insn-opinit.h.
8646         (MOSTLYCLEANFILES): Likewise.
8647         (insn-opinit.o): Remove reload.h
8648         (simple_rtl_generated_c): Remove insn-opinit.c.
8649         (s-opinit): New rule.
8650         (build/genopinit.o): Add optabs.def.
8651         * genopinit.c (rtx_upname): New.
8652         (optabs): Extract to optabs.def
8653         (enum optab_tag, struct optab_def_d, optabs): New.
8654         (struct pattern_d, patterns): New.
8655         (match_pattern): Split out from ...
8656         (gen_insn): ... here.  Push matches on patterns vec.
8657         (pattern_cmp, optab_kind_cmp, optab_rcode_cmp): New.
8658         (header_file_name, source_file_name, handle_arg): New.
8659         (open_outfile): New.
8660         (main): Sort and emit new tables.  Generate lookup_handler,
8661         raw_optab_handler, swap_optab_enable.
8662         * libfuncs.h (libfunc_entry): Change "size_t optab" to "optab op".
8663         * optabs.c (code_to_optab_): Remove.
8664         (hash_libfunc): Update for optab name change.
8665         (eq_libfunc): Likewise.
8666         (convert_optab_libfunc): Update computation of optab member;
8667         use the new convlib_def table.
8668         (optab_libfunc): Similarly.
8669         (set_optab_libfunc, set_conv_libfunc): Likewise.
8670         (sign_expand_binop): Use swap_optab_enable instead of fake optabs.
8671         (init_insn_codes, init_optab, init_optabv, init_convert_optab): Remove.
8672         (init_optabs): Don't call them; export the data to optabs.def.
8673         (gen_int_libfunc, gen_fp_libfunc): Export non-static.
8674         (gen_fixed_libfunc, gen_signed_fixed_libfunc): Likewise.
8675         (gen_unsigned_fixed_libfunc, gen_int_fp_libfunc): Likewise.
8676         (gen_intv_fp_libfunc, gen_int_fp_fixed_libfunc): Likewise.
8677         (gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc): Likewise.
8678         (gen_int_signed_fixed_libfunc): Likewise.
8679         (gen_int_unsigned_fixed_libfunc): Likewise.
8680         (gen_interclass_conv_libfunc, gen_int_to_fp_conv_libfunc): Likewise.
8681         (gen_ufloat_conv_libfunc): Likewise.
8682         (gen_int_to_fp_nondecimal_conv_libfunc): Likewise.
8683         (gen_fp_to_int_conv_libfunc, gen_intraclass_conv_libfunc): Likewise.
8684         (gen_trunc_conv_libfunc, gen_extend_conv_libfunc): Likewise.
8685         (gen_fract_conv_libfunc, gen_fractuns_conv_libfunc): Likewise.
8686         (gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): Likewise.
8687         (debug_optab_libfuncs): Update for optab representation change.
8688         * optabs.h: Include insn-opinit.h.
8689         (optab, convert_optab, direct_optab): New typedefs.
8690         (struct optab_handlers, struct widening_optab_handlers): Remove.
8691         (struct optab_libcall_d): Rename from optab_d; remove code_,
8692         handlers, widening members.
8693         (struct convert_optab_libcall_d): Rename from convert_optab_d;
8694         remove code_ and handlers members.
8695         (enum optab_index, enum convert_optab_index): Remove.
8696         (enum direct_optab_index): Remove.
8697         (code_to_optab_): Fix array range.
8698         (optab_to_code): Covert to inline function.
8699         (optab_to_code_, convlib_def, normlib_def): Declare.
8700         (raw_optab_handler, swap_optab_enable): Declare.
8701         (unknown_optab): Remove; export to optabs.def
8702         (ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab,
8703         usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab,
8704         ssashl_optab, usashl_optab, add_optab, sub_optab, smul_optab,
8705         addv_optab, subv_optab, smul_highpart_optab, umul_highpart_optab,
8706         smul_widen_optab, umul_widen_optab, usmul_widen_optab,
8707         smadd_widen_optab, umadd_widen_optab, ssmadd_widen_optab,
8708         usmadd_widen_optab, smsub_widen_optab, umsub_widen_optab,
8709         ssmsub_widen_optab, usmsub_widen_optab, sdiv_optab, smulv_optab,
8710         sdivv_optab, sdivmod_optab, udiv_optab, udivmod_optab, smod_optab,
8711         umod_optab, fmod_optab, remainder_optab, ftrunc_optab, and_optab,
8712         ior_optab, xor_optab, ashl_optab, lshr_optab, ashr_optab, rotl_optab,
8713         rotr_optab, vashl_optab, vlshr_optab, vashr_optab, vrotl_optab,
8714         vrotr_optab, smin_optab, smax_optab, umin_optab, umax_optab, pow_optab,
8715         atan2_optab, fma_optab, fms_optab, fnma_optab, fnms_optab, mov_optab,
8716         movstrict_optab, movmisalign_optab, storent_optab, neg_optab,
8717         negv_optab, abs_optab, absv_optab, one_cmpl_optab, bswap_optab,
8718         ffs_optab, clz_optab, ctz_optab, clrsb_optab, popcount_optab,
8719         parity_optab, sqrt_optab, sincos_optab, sin_optab, asin_optab,
8720         cos_optab, acos_optab, exp_optab, exp10_optab, exp2_optab, expm1_optab,
8721         ldexp_optab, scalb_optab, significand_optab, logb_optab, ilogb_optab,
8722         log_optab, log10_optab, log2_optab, log1p_optab, floor_optab,
8723         ceil_optab, btrunc_optab, round_optab, nearbyint_optab, rint_optab,
8724         tan_optab, atan_optab, copysign_optab, signbit_optab, isinf_optab,
8725         cmp_optab, ucmp_optab, eq_optab, ne_optab, gt_optab, ge_optab,
8726         lt_optab, le_optab, unord_optab, strlen_optab, cbranch_optab,
8727         cmov_optab, cstore_optab, ctrap_optab, push_optab, addcc_optab,
8728         reduc_smax_optab, reduc_umax_optab, reduc_smin_optab, reduc_umin_optab,
8729         reduc_splus_optab, reduc_uplus_optab, ssum_widen_optab,
8730         usum_widen_optab, sdot_prod_optab, udot_prod_optab, vec_set_optab,
8731         vec_extract_optab, vec_init_optab, vec_shl_optab, vec_shr_optab,
8732         vec_realign_load_optab, vec_widen_umult_hi_optab,
8733         vec_widen_umult_lo_optab, vec_widen_smult_hi_optab,
8734         vec_widen_smult_lo_optab, vec_widen_umult_even_optab,
8735         vec_widen_umult_odd_optab, vec_widen_smult_even_optab,
8736         vec_widen_smult_odd_optab, vec_widen_ushiftl_hi_optab,
8737         vec_widen_ushiftl_lo_optab, vec_widen_sshiftl_hi_optab,
8738         vec_widen_sshiftl_lo_optab, vec_unpacks_hi_optab, vec_unpacks_lo_optab,
8739         vec_unpacku_hi_optab, vec_unpacku_lo_optab, vec_unpacks_float_hi_optab,
8740         vec_unpacks_float_lo_optab, vec_unpacku_float_hi_optab,
8741         vec_unpacku_float_lo_optab, vec_pack_trunc_optab, vec_pack_ssat_optab,
8742         vec_pack_usat_optab, vec_pack_sfix_trunc_optab,
8743         vec_pack_ufix_trunc_optab, powi_optab, sync_compare_and_swap_optab,
8744         sync_lock_test_and_set_optab, sync_old_add_optab, sync_old_sub_optab,
8745         sync_old_ior_optab, sync_old_and_optab, sync_old_xor_optab,
8746         sync_old_nand_optab, sync_new_add_optab, sync_new_sub_optab,
8747         sync_new_ior_optab, sync_new_and_optab, sync_new_xor_optab,
8748         sync_new_nand_optab, sext_optab, zext_optab, trunc_optab, sfix_optab,
8749         ufix_optab, sfixtrunc_optab, ufixtrunc_optab, sfloat_optab,
8750         ufloat_optab, lrint_optab, lround_optab, lfloor_optab, lceil_optab,
8751         fract_optab, fractuns_optab, satfract_optab, satfractuns_optab,
8752         vec_load_lanes_optab, vec_store_lanes_optab, vcond_optab, vcondu_optab,
8753         movcc_optab, reload_in_optab, reload_out_optab, movmem_optab,
8754         setmem_optab, cmpstr_optab, cmpstrn_optab, cmpmem_optab,
8755         sync_lock_release_optab, sync_add_optab, sync_sub_optab,
8756         sync_ior_optab, sync_and_optab, sync_xor_optab, sync_nand_optab,
8757         atomic_exchange_optab, atomic_compare_and_swap_optab,
8758         atomic_load_optab, atomic_store_optab, atomic_add_fetch_optab,
8759         atomic_sub_fetch_optab, atomic_and_fetch_optab,
8760         atomic_nand_fetch_optab, atomic_xor_fetch_optab, atomic_or_fetch_optab,
8761         atomic_fetch_add_optab, atomic_fetch_sub_optab, atomic_fetch_and_optab,
8762         atomic_fetch_nand_optab, atomic_fetch_xor_optab, atomic_fetch_or_optab,
8763         atomic_add_optab, atomic_sub_optab, atomic_and_optab,
8764         atomic_nand_optab, atomic_xor_optab, atomic_or_optab,
8765         atomic_always_lock_free_optab, atomic_is_lock_free_optab,
8766         atomic_thread_fence_optab, atomic_signal_fence_optab,
8767         vec_perm_optab, vec_perm_const_optab): Likewise.
8768         (struct target_optabs): Remove x_optab_table, x_convert_optab_table,
8769         and x_direct_optab_table members; add pat_enable.
8770         (optab_table, convert_optab_table, direct_optab_table): Remove.
8771         (optab_handler): Use raw_optab_handler.
8772         (widening_optab_handler, convert_optab_handler): Likewise.
8773         (set_optab_handler, set_widening_optab_handler): Remove.
8774         (set_convert_optab_handler, set_direct_optab_handler): Remove.
8775         (direct_optab_handler): Defer to optab_handler.
8776         * rtl.h (NON_GENERATOR_NUM_RTX_CODE): New.
8777
8778 2012-07-24  Jason Merrill  <jason@redhat.com>
8779
8780         * bitmap.c (bitmap_descriptor): Adjust order of parameters to
8781         match MEM_STAT_DECL.
8782         * statistics.h (ALONE_FINAL_MEM_STAT_DECL): Correct typo.
8783
8784 2012-07-24  Richard Henderson  <rth@redhat.com>
8785
8786         * optabs.h (struct optab_d): Rename code member to code_.
8787         (struct convert_optab_h): Likewise.
8788         (code_to_optab_): Rename from code_to_optab.
8789         (code_to_optab, optab_to_code): New.
8790         * dojump.c (do_compare_rtx_and_jump): Use code_to_optab.
8791         * ifcvt.c (noce_emit_move_insn): Likewise.
8792         * optabs.c (simplify_expand_binop): Use optab_to_code.
8793         (expand_simple_binop, shift_optab_p, commutative_optab_p): Likewise.
8794         (avoid_expensive_constant, expand_binop_directly): Likewise.
8795         (expand_binop, expand_simple_unop, expand_unop_direct): Likewise.
8796         (expand_unop, prepare_float_lib_cmp, expand_fixed_convert): Likewise.
8797         (have_insn_for, debug_optab_libfuncs): Likewise.
8798         (init_optab, init_optabv, init_convert_optab): Update for optab
8799         member name change.
8800
8801         * libfuncs.h: Include optabs.h.
8802         * dwarf2out.c, lto-streamer.in.c: Don't include libfuncs.h.
8803         * Makefile.in (LIBFUNCS_H): Add OPTABS_H.
8804         (lto-streamer-in.o, dwarf2out.o): Update deps.
8805
8806         * optabs.h (unknown_optab): New.
8807         * builtins.c (interclass_mathfn_icode): Use it.
8808         * dojump.c (do_compare_rtx_and_jump): Likewise.
8809         * optabs.c (optab_for_tree_code, expand_binop): Likewise.
8810         * tree-vect-generic.c (add_rshift, expand_vector_divmod): Likewise.
8811         (expand_vector_operations_1): Likewise.
8812         * tree-vect-patterns.c (vect_recog_divmod_pattern): Likewise.
8813         * tree-vect-stmts.c (supportable_narrowing_operation): Likewise.
8814
8815 2012-07-24  Steven Bosscher  <steven@gcc.gnu.org>
8816
8817         * alloc-pool.c (create_alloc_pool): Fix ENABLE_CHECKING check.
8818
8819 2012-07-24  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
8820
8821         PR target/54051
8822         * config/arm/arm.c (arm_print_operand_address): Remove superfluous
8823         printing of 0.
8824         * config/arm/neon.md ("neon_vld3_lane<mode>":VD): Remove alignment
8825         specifier.
8826         ("neon_vld3_lane<mode>":VMQ): Likewise.
8827         ("neon_vld3_dup<mode>":VDX): Likewise.
8828         ("neon_vst3_lane<mode>":VD): Likewise.
8829         ("neon_vst3_lane<mode>":VMQ): Likewise.
8830
8831 2012-07-24  Roland McGrath  <mcgrathr@google.com>
8832
8833         * arm.c (arm_get_frame_offsets): Don't use fixed regs for
8834         stack alignment padding.
8835
8836 2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
8837
8838         PR target/53961
8839         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
8840         negative constant address for TARGET_X32 ...
8841         (ix86_decompose_address): ... here.  Reject constant addresses
8842         that don't satisfy x86_64_immediate_operand predicate.
8843
8844 2012-07-24  Julian Brown  <julian@codesourcery.com>
8845
8846         * doc/sourcebuild.texi (arm_hf_eabi): Document effective-target check.
8847
8848 2012-07-24  Steven Bosscher  <steven@gcc.gnu.org>
8849
8850         * sbitmap.h (SBITMAP_ELT_BITS): Use "1u" trick as for BITMAP_WORD_BITS.
8851         Move test to check that there is a popcount function for the the number
8852         of bits in SBITMAP_ELT_BITS to sbitmap.c.
8853         * sbitmap.c: Test SBITMAP_ELT_BITS, not HOST_BITS_PER_WIDEST_FAST_INT.
8854         MEM_STAT_INFO): Define in terms of their ALONE counterparts.
8855
8856         * configure.ac (GATHER_STATISTICS): Always define, non-zero if enabled.
8857         * configure: Regenerate.
8858         * statistics.h (GATHER_STATISTICS): Error out if it is not defined.
8859         (GCC_MEM_STAT_ARGUMENTS): New define.
8860         (ALONE_MEM_STAT_DECL): Define in terms of GCC_MEM_STAT_ARGUMENTS.
8861         (ALONE_FINAL_MEM_STAT_DECL, ALONE_FINAL_PASS_MEM_STAT): New defines.
8862         (MEM_STAT_DECL, FINAL_MEM_STAT_DECL, PASS_MEM_STAT,
8863         FINAL_PASS_MEM_STAT): Define.
8864         * ggc-internal.h (ggc_record_overhead): Use FINAL_MEM_STAT_DECL.
8865         * ggc.h (ggc_record_overhead, ggc_free_overhead,
8866         ggc_prune_overhead_list): Remove internal prototypes, they are defined
8867         already in ggc-internal.h.
8868         * ggc-common.c (struct loc_descriptor): Remove #ifdef GATHER_STATISTICS
8869         wrappers.
8870         (add_statistics): Likewise.
8871         (dump_ggc_loc_statistics): Likewise. Return if GATHER_STATISTICS is 0.
8872         * ggc-zone.c (struct page_entry): Remove #ifdef GATHER_STATISTICS
8873         wrappers around "survived" and "stats" members.
8874         (alloc_large_page): Always initialize survived.
8875         (ggc_internal_alloc_zone_stat): Likewise.
8876         Remove #ifdef GATHER_STATISTICS wrappers.  Record overhead if
8877         GATHER_STATISTICS is non-0.
8878         (ggc_free): Convert #ifdef GATHER_STATISTICS to if-code.
8879         (sweep_pages): Always increase survived.
8880         (ggc_collect_1): Convert #ifdef GATHER_STATISTICS to if-code.
8881         (calculate_average_page_survival): Always define.
8882         (ggc_collect): Convert #ifdef GATHER_STATISTICS to if-code.
8883         (ggc_print_statistics): Likewise.
8884         (ggc_pch_read): Likewise.
8885         * ggc-page.c (struct globals): Always define "stats" member.
8886         (ggc_internal_alloc_stat): Convert #ifdef GATHER_STATISTICS to if-code.
8887         (ggc_free): Likewise.
8888         (ggc_collec): Likewise.
8889         (ggc_print_statistics): Likewise.
8890         * bitmap.h (struct bitmap_head_def): Always define "desc" member.
8891         (bitmap_initialize_stat): Convert #ifdef GATHER_STATISTICS to if-code.
8892         * gimple.h (enum gimple_alloc_kind): Always define.
8893         (gimple_alloc_kind): Likewise.
8894         * tree-flow.h (phinodes_print_statistics): Always define.
8895         (ssanames_print_statistics): Likewise.
8896         * vec.h (vec_heap_free): Always define.
8897         (VEC_stack_alloc): Define if GATHER_STATISTICS is non-0.
8898         * alloc-pool.c (alloc_pool_descriptor): Always define.
8899         (create_alloc_pool): Convert #ifdef GATHER_STATISTICS to if-code.
8900         (empty_alloc_pool): Likewise.
8901         (pool_alloc): Likewise.
8902         (pool_free): Likewise.
8903         (dump_alloc_pool_statistics): Likewise.
8904         (print_statistics): Always define.
8905         * bitmap.c (struct bitmap_descriptor): Always define.
8906         (bitmap_register): Pass ALONE_FINAL_PASS_MEM_STAT.
8907         (register_overhead): Always define.
8908         (bitmap_element_free): Convert #ifdef GATHER_STATISTICS to if-code.
8909         (bitmap_element_allocate): Likewise.
8910         (bitmap_elt_clear_from): Likewise.
8911         (bitmap_obstack_alloc_stat): Likewise.
8912         (bitmap_gc_alloc_stat): Likewise.
8913         (bitmap_obstack_free): Likewise.
8914         (bitmap_find_bit): Likewise.
8915         (bitmap_ior_and_into):  Likewise.
8916         (bitmap_print): Likewise.
8917         (dump_bitmap_statistics): Likewise. Return if GATHER_STATISTICS is 0.
8918         * gimple.c (gimple_alloc_counts, gimple_alloc_sizes): Always define.
8919         (gimple_alloc_kind_names): Likewise.
8920         (gimple_alloc_stat): Convert #ifdef GATHER_STATISTICS to if-code.
8921         (dump_gimple_statistics): Likewise. Return if GATHER_STATISTICS is 0.
8922         * rtl.c (rtx_alloc_counts, rtx_alloc_sizes, rtvec_alloc_counts,
8923         rtvec_alloc_sizes): Always define.
8924         (rvec_alloc): Convert #ifdef GATHER_STATISTICS to if-code.
8925         (rtx_alloc_stat): Likewise.
8926         (dump_rtx_statistics): Likewise. Return if GATHER_STATISTICS is 0.
8927         * tree.c (_obstack_allocated_p, tree_code_counts, tree_node_counts,
8928         tree_node_sizes, tree_node_kind_names): Always define.
8929         (record_node_allocation_statistics): Convert #ifdef GATHER_STATISTICS
8930         to if-code.
8931         (type_hash_canon): Likewise.
8932         (dump_tree_statistics): Likewise.
8933         * tree-ssanames.c (ssa_name_nodes_reused, ssa_name_nodes_created):
8934         Always define.
8935         (ssanames_print_statistics): Likewise.
8936         (make_ssa_name_fn): Convert #ifdef GATHER_STATISTICS to if-code.
8937         * tree-phinodes.c (phi_nodes_reused, phi_nodes_created): Always define.
8938         (phinodes_print_statistics): Likewise.
8939         (allocate_phi_node): Convert #ifdef GATHER_STATISTICS to if-code.
8940         * vec.c (struct vec_descriptor): Always define.
8941         (hash_descriptor, eq_descriptor, ptr_hash_entry, hash_ptr, eq_ptr,
8942         vec_descriptor, rester_overhead, free_overhead): Likewise.
8943         (cmp_statistic): Likewise.
8944         (vec_heap_free): Convert #ifdef GATHER_STATISTICS to if-code.
8945         (vec_heap_o_reserve_1): Likewise.
8946         (dump_vec_loc_statistics): Likewise.
8947
8948 2012-07-24  Richard Guenther  <rguenther@suse.de>
8949
8950         PR tree-optimization/53616
8951         * tree-loop-distribution.c (ldist_gen): Do not change
8952         partition ordering when merging partitions.
8953
8954 2012-07-24  Alan Modra  <amodra@gmail.com>
8955
8956         PR target/53914
8957         PR target/54009
8958         * config/rs6000/constraints.md (Y): Use mem_operand_gpr.
8959         * config/rs6000/predicates.md (word_offset_memref_operand): Delete.
8960         Adjust all rs6000_legitimate_offset_address_p calls.
8961         * config/rs6000/rs6000-protos.h (mem_operand_gpr): Declare.
8962         (rs6000_secondary_reload_gpr): Declare.
8963         (rs6000_legitimate_offset_address_p): Update prototype.
8964         (rs6000_offsettable_memref_p): Delete.
8965         (rs6000_secondary_reload_ppc64): Delete.
8966         * config/rs6000/rs6000.c (address_offset): New function.
8967         (mem_operand_gpr): Likewise.
8968         (rs6000_legitimate_offset_address_p): Add worst_case param.  When
8969         not worst_case assume class of regs with least restrictive offsets.
8970         Adjust all calls.
8971         (legitimate_lo_sum_address_p): Simplify register mode tests.
8972         (rs6000_legitimize_address): Likewise.  Assume best case offset
8973         addressing.  Combine ELF and MACHO lo_sum code.
8974         (rs6000_mode_dependent_address): Correct offset addressing limits.
8975         (rs6000_offsettable_memref_p): Make static, add reg_mode param.
8976         Use reg_mode to help rs6000_legitimate_offset_address_p.
8977         (rs6000_secondary_reload): Use address_offset.  Handle 32-bit multi
8978         gpr load/store when offset too large.
8979         (rs6000_secondary_reload_gpr): Renamed rs6000_secondary_reload_ppc64.
8980         (rs6000_split_multireg_move): Adjust rs6000_offsettable_memref_p calls.
8981         * config/rs6000/rs6000.md (movdf_hardfloat32): Use 'Y' constraint
8982         for gpr load/store.  Order alternatives as r->Y,Y->r,r->r and
8983         d->m,m->d,d->d.  Correct size of gpr load/store.
8984         (movdf_softfloat32): Use 'Y' constraint for gpr load/store.  Order
8985         alternatives.
8986         (movti_ppc64): Likewise.
8987         (movdi_internal32): Likewise.  Also disparage fprs.
8988         (movdi_mfpgpr, movdi_internal64): Likewise.
8989         (movtf_internal): Use 'm' for fpr load/store.  Order alternatives.
8990         (movtf_softfloat): Order alternatives.
8991         (extenddftf2_internal): Use 'm' and 'Y' for store.
8992         (movti_power, movti_string): Use 'Y' for gpr load/store.  Order.
8993         (stack_protect_setdi, stack_protect_testdi): Likewise.
8994         (movdf_hardfloat64_mfpgpr, movdf_hardfloat64): Order alternatives.
8995         (movdf_softfloat64): Likewise.
8996         (reload_<mode>_store): Adjust reload_di_store to provide
8997         reload_si_store as well.
8998         (reload_<mode>_load): Likewise.
8999
9000 2012-07-23  Oleg Endo  <olegendo@gcc.gnu.org>
9001
9002         PR target/51244
9003         * config/sh/predicates.md (general_movsrc_operand,
9004         general_movdst_operand): Reject T_REG.
9005         * config/sh/sh.md (*extendqisi2_compact_reg, *extendhisi2_compact_reg,
9006         movsi_i, movsi_ie, movsi_i_lowpart, *movqi_reg_reg, *movhi_reg_reg):
9007         Remove T_REG alternatives.
9008         (*negtstsi): New insn.
9009
9010 2012-07-23  Oleg Endo  <olegendo@gcc.gnu.org>
9011
9012         PR target/53511
9013         * config/sh/sh.md (mulsf3_ie): Delete.
9014         (mulsf3_i4): Rename to mulsf3_i.
9015         (mulsf3): Emit mulsf3_i insn.
9016
9017 2012-07-23  Oleg Endo  <olegendo@gcc.gnu.org>
9018
9019         * config/sh/sh.md (addc1, subc1): Delete.
9020         (adddi3_compact): Use addc instead of addc1.
9021         (subdi3_compact): Use subc instead of subc1.
9022
9023 2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
9024
9025         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
9026         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
9027         split_cost argument signed.
9028         (ix86_avoid_lea_for_add): Cleanup.
9029         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
9030         (ix86_avoid_lea_for_addr): Ditto.  Make split_cost signed.
9031         Use gen_lowpart instead of gen_rtx_SUBREG.  Cleanup.
9032
9033 2012-07-23  Ulrich Weigand  <ulrich.weigand@linaro.org>
9034
9035         * config/arm/arm.c (arm_reorg): Ensure all insns are split.
9036
9037 2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
9038
9039         PR target/53961
9040         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
9041         * config/i386/i386.c (ix86_print_operand_address): Ditto.
9042         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
9043         addresses.  Prevent zero extensions of CONST_INT operands.
9044
9045 2012-07-23  Steven Bosscher  <steven@gcc.gnu.org>
9046
9047         * sbitmap.h (struct int_list): Remove.
9048         (sbitmap_intersect_of_predsucc, sbitmap_union_of_predsucc):
9049         Remove prototypes of non-existing function.
9050         (sbitmap_intersect_of_predecessors, sbitmap_intersect_of_successors,
9051         sbitmap_union_of_predecessors, sbitmap_union_of_successors): Remove
9052         unused defines.
9053         (sbitmap_intersection_of_succs, sbitmap_intersection_of_preds,
9054         sbitmap_union_of_succs, sbitmap_union_of_preds): Move prototypes to...
9055         * basic-block.h: ... here.
9056         * sbitmap.c: Do not include basic-block.h.
9057         (sbitmap_intersection_of_succs, sbitmap_intersection_of_preds,
9058         sbitmap_union_of_succs, sbitmap_union_of_preds): Move functions to...
9059         * cfganal.c: ... here.
9060         * bt-load.c (compute_out, link_btr_uses): Update for above changes.
9061         * gcse.c (compute_code_hoist_vbeinout): Likewise.
9062         * lcm.c (compute_antinout_edge, compute_available): Likewise.
9063         * Makefile.in: Fix sbitmap.o dependencies.
9064
9065 2012-07-23  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9066             Nick Clifton  <nickc@redhat.com>
9067
9068         * config/frv/frv-protos.h (frv_ifcvt_machdep_init): Prototype.
9069         * config/frv/frv.c (frv_ifcvt_machdep_init): Change type of
9070         (unused) parameter to void *.
9071
9072 2012-07-23  Richard Guenther  <rguenther@suse.de>
9073
9074         * tree-ssa-alias.c (dump_alias_info): Walk over local decls
9075         instead of referenced vars.
9076
9077 2012-07-23  Steven Bosscher  <steven@gcc.gnu.org>
9078
9079         * coverage.c: Refer to "notes file" instead of "graph file"
9080         in all comments.  Explain history of bbg prefix.
9081         * gcov-io.h: Likewise.
9082         * gcov.c: Likewise.
9083         (find_source): Likewise in fnotice.
9084         (read_graph_file): Likewise.
9085         (read_count_file): Likewise.
9086         * doc/gcov.texi: Document -fprofile-dir flag.  Add "notes file"
9087         and "data file" explicitly in the explanation of the files.
9088
9089 2012-07-22  Steven Bosscher  <steven@gcc.gnu.org>
9090
9091         PR tree-optimization/53881
9092         * tree-cfg.c (group_case_labels_stmt): Look up the basic block
9093         for each label and compare them instead of labels.
9094
9095 2012-07-22  Steven Bosscher <steven@gcc.gnu.org>
9096
9097         * opts.c (common_handle_option): Do not set
9098         flag_value_profile_transformations for -fprofile-generate.
9099         * profile.c (instrument_values): Use COUNTER_FOR_HIST_TYPE.
9100         (BB_TO_GCOV_INDEX): Remove.
9101         (output_location): Don't use it.
9102         (branch_prob): Likewise.  Don't fiddle with the index of
9103         ENTRY_BLOCK_PTR and EXIT_BLOCK_PTR.  Use clear_aux_for_blocks.
9104         (find_spanning_tree):
9105         * gcov.c (struct function_info): Document that blocks 0 and 1
9106         are the entry resp. exit blocks in gcov, too, like in GCC itself.
9107         (solve_flow_graph): Use ENTRY_BLOCK and EXIT_BLOCK for special
9108         blocks identification.
9109         (output_lines): Likewise.
9110         * value-prof.c (gimple_value_profile_transformations): Do not
9111         test flag_value_profile_transformations again.
9112         (gimple_ic_transform): Take a gimple_stmt_iterator like all other
9113         transformation functions.
9114         (gimple_values_to_profile):
9115         Don't test flag_value_profile_transformations
9116         * tree-profile.c (tree_profiling): Assert that the cgraph is in
9117         the CGRAPH_STATE_IPA_SSA state.
9118         Do not set, or look at, after_tree_profile.
9119         * function.h (struct function): Remove after_tree_profile bit.
9120         * omp-low.c (expand_omp_taskreg): Don't set after_tree_profile.
9121         * tree-inline.c (initialize_cfun): Don't copy it.
9122         * lto-streamer-out.c (output_struct_function_base): Don't stream it.
9123         * lto-streamer-in.c (input_struct_function_base): Likewise.
9124
9125 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
9126
9127         * config/sh/sh.h (TARGET_DYNSHIFT): New macro.
9128         (SH_DYNAMIC_SHIFT_COST): Use it.
9129         * config/sh/sh.c (expand_ashiftrt, shl_sext_kind): Likewise.
9130         (sh_dynamicalize_shift_p): Add TARGET_DYNSHIFT condition.
9131         Add sanity check for input value.  Add function description.
9132         * config/sh/sh.md (ashlsi3, ashlsi3_std, ashrsi3_d, lshrsi3,
9133         lshrsi3_d): Use TARGET_DYNSHIFT.
9134
9135 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
9136
9137         * config/sh/sh.md (negc): Delete expander.
9138         (*negc): Rename insn to negc.
9139
9140 2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
9141
9142         PR target/53961
9143         * config/i386/i386.md (*lea): New insn pattern.
9144         (*lea_1): Remove.
9145         (*lea<mode>_2): Ditto.
9146         (*lea_{3,4,5,6}_zext): Ditto.
9147         * config/i386/predicates.md (lea_address_operand): Do not reject
9148         zero-extended address operands.
9149         * config/i386/constraints.md (j): Remove address constraint.
9150         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
9151         of an address.
9152         (ix86_print_operand_address): Handle SImode subreg of an address.
9153         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
9154
9155 2012-07-22  Hans-Peter Nilsson  <hp@axis.com>
9156
9157         Emit executable-stack note correctly for CRIS targets.
9158         * config/cris/cris.c (cris_file_end): New function.
9159         (TARGET_ASM_FILE_END): Define.
9160
9161 2012-07-22  Chung-Lin Tang  <cltang@codesourcery.com>
9162             Maxim Kuvyrkov  <maxim@codesourcery.com>
9163             NetLogic Microsystems Inc.
9164
9165         * config/mips/mips.c (mips_issue_rate): Handle XLP.
9166         * config/mips/mips.md: Include xlp.md.
9167         * config/mips/xlp.md: New file.
9168
9169 2012-07-21  Steven Bosscher <steven@gcc.gnu.org>
9170
9171         PR gcov-profile/32543
9172         * profile.c (branch_prob): Update total_num_edges_instrumented and
9173         report the number of edges to instrument.
9174
9175 2012-07-21  Oleg Endo  <olegendo@gcc.gnu.org>
9176
9177         * config/sh/sh.md: Correct comment regarding clrt and sett insns.
9178
9179 2012-07-21  Andrew Pinski  <apinski@cavium.com>
9180
9181         * config/mips/mips.md (*popcountdi2_trunc): New pattern
9182         to handle popcount of a truncation.
9183
9184 2012-07-21  Andrew Pinski  <apinski@cavium.com>
9185
9186         * config/mips/mips-protos.h (mips_expand_ext_as_unaligned_load):
9187         Add a bool argument.
9188         * config/mips/mips.c (mips_block_move_straight): Update call to
9189         mips_expand_ext_as_unaligned_load.
9190         (mips_expand_ext_as_unaligned_load): Add unsigned_p argument.
9191         Accept DImode dest when the width is that of SImode.
9192         * config/mips/mips.md (extv): Update call to
9193         mips_expand_ext_as_unaligned_load.
9194         (extzv): Likewise.
9195
9196 2012-07-21  Andrew Pinski  <apinski@cavium.com>
9197
9198         * config/mips/mips.c (mips_get_unaligned_mem): Copy *op after calling
9199         adjust_address.
9200
9201 2012-07-20  Maxim Kuvyrkov  <maxim@codesourcery.com>
9202
9203         * config/mips/mips.md (define_attr sync_*): Move before "type".
9204         (define_attr "type"): New values "atomic" and "syncloop".
9205         * config/mips/sync.md (atomic_exchange<mode>, atomic_fetch_add<mode>):
9206         Set "type" attribute.
9207         * config/mips/generic.md (generic_atomic, generic_syncloop):
9208         New reservations.
9209         * gcc/config/mips/10000.md, gcc/config/mips/20kc.md,
9210         * gcc/config/mips/24k.md, gcc/config/mips/4130.md,
9211         * gcc/config/mips/4k.md, gcc/config/mips/5400.md,
9212         * gcc/config/mips/5500.md, gcc/config/mips/5k.md,
9213         * gcc/config/mips/7000.md, gcc/config/mips/74k.md,
9214         * gcc/config/mips/9000.md, gcc/config/mips/loongson2ef.md,
9215         * gcc/config/mips/loongson3a.md, gcc/config/mips/octeon.md,
9216         * gcc/config/mips/sb1.md, gcc/config/mips/sr71k.md,
9217         * gcc/config/mips/xlr.md: Handle "atomic" and "syncloop" types.
9218
9219 2012-07-20  Oleg Endo  <olegendo@gcc.gnu.org>
9220
9221         * config/sh/sh.md: Group and sort shift related patterns.
9222         (ashlsi3_n, *ashlhi3_n, lshrsi3_n): Remove length attributes.
9223
9224 2012-07-20  Hans-Peter Nilsson  <hp@axis.com>
9225
9226         * config/cris/cris.c (cris_asm_output_ident): Remove unused
9227         local variables section_asm_op, size, buf.
9228
9229 2012-07-20  Pat Haugen <pthaugen@us.ibm.com>
9230             Steven Bosscher  <steven@gcc.gnu.org>
9231
9232         * config/rs6000/power4.md (power4-store-update): Fix reservation.
9233         (power4-three): Likewise.
9234
9235 2012-07-20  Sameera Deshpande  <sameera.deshpande@arm.com>
9236             Greta Yorsh  <Greta.Yorsh@arm.com>
9237
9238         * config/arm/arm.c (arm_cortex_a15_tune): New tune.
9239         * config/arm/arm-cores.def (cortex-a15): Use it.
9240
9241 2012-07-20  Sameera Deshpande  <sameera.deshpande@arm.com>
9242             Greta Yorsh  <Greta.Yorsh@arm.com>
9243
9244         * config/arm/arm-protos.h (tune_params): Add prefer_ldrd_strd.
9245         * config/arm/arm.c (arm_slowmul_tune): Initialize it.
9246         (arm_fastmul_tune, arm_strongarm_tune): Likewise.
9247         (arm_xscale_tune, arm_9e_tune, arm_v6t2_tune): Likewise.
9248         (arm_cortex_tune, arm_cortex_a5_tune, arm_cortex_a9_tune): Likewise.
9249         (arm_fa726te_tune): Likewise.
9250
9251 2012-07-20  Richard Guenther  <rguenther@suse.de>
9252
9253         * tree-dfa.c (collect_dfa_stats): Simplify.
9254         * tree-ssa-structalias.c (compute_may_aliases): Do not dump
9255         referenced vars.
9256         * cfgexpand.c (estimated_stack_frame_size): Walk over local
9257         decls instead of referenced vars.
9258         * tree-ssa.c (delete_tree_ssa): Simplify.
9259         * tree-tailcall.c (find_tail_calls): Walk over local decls
9260         instead of referenced vars.
9261         (add_virtual_phis): Remove.
9262         (tree_optimize_tail_calls_1): Instead mark the virtual operand
9263         for renaming.
9264
9265 2012-07-20  Steven Bosscher  <steven@gcc.gnu.org>
9266
9267         * basic-block.h (BB_FLAGS_TO_PRESERVE): New define.
9268         (brief_dump_cfg): Update prototype to take flags argument.
9269         (check_bb_profile): Remove prototype.
9270         * tracer.c (tracer): Update brief_dump_cfg calls.
9271         * cfghooks.c (dump_bb): Do not pass TDF_COMMENT to dump_bb_info.
9272         Call dump_bb_info before and after the cfghook dump_bb.  Terminate
9273         the dump with a newline.
9274         (dump_flow_info): Do not call check_bb_profile.
9275         * cfg.c (clear_bb_flags): Update using BB_FLAGS_TO_PRESERVE.
9276         (check_bb_profile): Make static.  Take indent and flags arguments.
9277         (dump_bb_info): Always dump loop depth.  With TDF_DETAILS, call
9278         check_bb_profile.  Print one edge per line.
9279         (brief_dump_cfg): Take a flags argument, and filter out
9280         TDF_COMMENT and TDF_DETAILS.
9281         * pretty-print.c (pp_base_newline): Set pp_needs_newline to false.
9282         * gimple-pretty-print.c (dump_gimple_bb_header): Do not use
9283         dump_bb_info here, it is already called from dump_bb.  Idem for
9284         check_bb_profile.
9285         (dump_gimple_bb_footer): Likewise.
9286         (gimple_dump_bb_buff): Call pp_flush after dump_gimple_stmt to
9287         avoid broken dumps for statement histograms.
9288         (gimple_dump_bb): Handle ENTRY_BLOCK and EXIT_BLOCK.  Do
9289         not call pp_flush here, the buffer should be empty.
9290         * sched-rgn.c (debug_region): Pass TDF_BLOCKS to dump_bb.
9291         * sched-vis.c (debug_bb_slim): Likewise.
9292         * tree-cfg.c (remove_bb): Pass dump_flags to dump_bb.
9293         (gimple_debug_bb): Pass TDF_BLOCKS to dump_bb.
9294         (gimple_dump_cfg): Do brief_dump_cfg with TDF_COMMENT.
9295         (dump_function_to_file): Do not call check_bb_profile on
9296         ENTRY_BLOCK and EXIT_BLOCK, check_bb_profile doesn't handle them.
9297         Use dump_bb instead of gimple_dump_bb.
9298         (print_loops_bb): Use dump_bb instead of gimple_dump_bb.
9299         * passes.c (execute_function_dump): Always call print_rtl_with_bb
9300         for RTL dumps.
9301         * cfgrtl.c (print_rtl_with_bb): Handle printing without an up-to-date
9302         CFG.  With TDF_BLOCKS and TDF_DETAILS, do DF dumps at the top and
9303         bottom of each basic block.
9304
9305 2012-07-20  Richard Guenther  <rguenther@suse.de>
9306
9307         PR tree-optimization/54031
9308         * tree-ssa-ccp.c (get_value_from_alignment): Use
9309         get_pointer_alignment_1.
9310
9311 2012-07-20  Richard Guenther  <rguenther@suse.de>
9312
9313         * tree-inline.c (add_local_variables): Remove check_var_ann
9314         parameter and dead code.
9315         (expand_call_inline): Adjust.
9316         (tree_function_versioning): Likewise.
9317
9318 2012-07-20  Jakub Jelinek  <jakub@redhat.com>
9319
9320         PR c++/28656
9321         * tree-vrp.c (nonnull_arg_p): Handle all nonnull attributes instead
9322         of just the first one.
9323
9324 2012-07-20  Richard Guenther  <rguenther@suse.de>
9325
9326         * builtins.c (get_object_alignment_2): Correct offset handling
9327         when using type alignment of a MEM_REF kind base.
9328
9329 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
9330
9331         PR target/53877
9332         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
9333         (_lzcnt_u64): Ditto.
9334
9335 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
9336
9337         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
9338
9339 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
9340
9341         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
9342         defining statement is a SSA name that occurs in abnormal PHIs.
9343
9344 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
9345
9346         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
9347         conversions.
9348
9349 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
9350
9351         PR rtl-optimization/53942
9352         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
9353         directly from likely spilled non-fixed hard registers, move them
9354         to pseudo first.
9355
9356 2012-07-19  Steve Ellcey  <sellcey@mips.com>
9357
9358         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
9359         MIPS16 mode.
9360
9361 2012-07-19  Jason Merrill  <jason@redhat.com>
9362
9363         PR debug/53235
9364         * dwarf2out.c (get_die_parent): New.
9365         (generate_type_signature): Use it.
9366
9367 2012-07-19  Richard Henderson  <rth@redhat.com>
9368
9369         * config/ia64/vect.md (smulv4hi3_highpart): New.
9370         (umulv4hi3_highpart): New.
9371         (vec_widen_smult_even_v4hi): Rename from pmpy2_even.
9372         (vec_widen_smult_odd_v4hi): Rename from pmpy2_odd.
9373         (udot_prodv8qi, sdot_prodv8qi): Remove.
9374         (sdot_prodv4hi, udot_prodv4hi): Remove.
9375         * config/ia64/ia64.c (ia64_expand_dot_prod_v8qi): Remove.
9376         * config/ia64/ia64-protos.h: Update.
9377
9378         * tree-vect-patterns.c (vect_recog_divmod_pattern): Do not require
9379         vectors larger than UNITS_PER_WORD.
9380
9381         * expr.c (store_constructor): Initialize icode with CODE_FOR_nothing.
9382         * tree-vect-stmts.c (vectorizable_operation): Use LAST_INSN_CODE for
9383         dummy != CODE_FOR_nothing value.
9384
9385 2012-07-19  Uros Bizjak  <ubizjak@gmail.com>
9386
9387         * doc/tm.texi.in (MODE_AFTER): Add entity as the first macro argument.
9388         * doc/tm.texi: Regenerate.
9389         * mode-switching.c (optimize_mode_switching): Update MODE_AFTER call.
9390         * config/sh/sh.h (MODE_AFTER): Update.
9391         * config/epiphany/epiphany.h (MODE_AFTER): Update.
9392
9393 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
9394
9395         PR middle-end/54017
9396         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
9397         (cleanup_tree_cfg_bb): Don't call it.
9398         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
9399         handling.
9400
9401 2012-07-19  Christian Bruel  <christian.bruel@st.com>
9402
9403         PR target/54029
9404         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
9405
9406 2012-07-19  Richard Guenther  <rguenther@suse.de>
9407             Eric Botcazou  <ebotcazou@adacore.com>
9408
9409         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
9410         about transition from invariant to known bits.
9411         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
9412
9413 2012-07-19  Richard Guenther  <rguenther@suse.de>
9414
9415         PR tree-optimization/53970
9416         * tree-vect-data-refs.c (not_size_aligned): Avoid sign-compare warning.
9417
9418 2012-07-19  Tristan Gingold  <gingold@adacore.com>
9419             Richard Henderson  <rth@redhat.com>
9420
9421         * opts.c (finish_options): Handle UI_SEH.
9422         * expr.c (build_personality_function): Handle UI_SEH.
9423         * dwarf2out.c (dwarf2out_begin_prologue): Handle UI_SEH.
9424         * coretypes.h (unwind_info_type): Add UI_SEH.
9425         * config/i386/winnt.c (i386_pe_seh_emit_except_personality):
9426         New function.
9427         (i386_pe_seh_init_sections): Likewise.
9428         * config/i386/cygming.h (TARGET_ASM_EMIT_EXCEPT_PERSONALITY): Define.
9429         (TARGET_ASM_INIT_SECTIONS): Define.
9430         * common/config/i386/i386-common.c (TARGET_EXCEPT_UNWIND_INFO): Define.
9431         (i386_except_unwind_info): New function.
9432
9433 2012-07-18  Maciej W. Rozycki  <macro@codesourcery.com>
9434             Chao-ying Fu  <fu@mips.com>
9435
9436         * config/mips/mips.opt (mmcu): New option.
9437         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
9438         _mips_mcu when TARGET_MCU.
9439         (ASM_SPEC): Pass mcu options to the assembler.
9440         * doc/invoke.texi (MIPS Options): Document -mmcu and -mno-mcu.
9441
9442 2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>
9443
9444         * config.gcc (v850-*-rtems*): New target.
9445         * config/v850/rtems.h: New.
9446         * config/v850/t-rtems: New.
9447
9448 2012-07-18  Bill Schmidt  <wschmidt@linux.ibm.com>
9449
9450         * doc/invoke.texi: Add -fhoist-adjacent-loads and -ftree-slsr to list
9451         of flags controlling optimization; add -ftree-slsr to list of flags
9452         enabled by default at -O; add -fhoist-adjacent-loads to list of flags
9453         enabled by default at -O2; add -fvect-cost-model to list of flags
9454         enabled by default at -O3; document -fhoist-adjacent-loads and
9455         -ftree-slsr.
9456         * opts.c (default_option): Make -ftree-slsr default at -O1 and above.
9457         * gimple-ssa-strength-reduction.c (gate_strength_reduction): Use
9458         flag_tree_slsr.
9459         * common.opt: Add -ftree-slsr with flag_tree_slsr.
9460
9461 2012-07-18  Jie Zhang  <jzhang918@gmail.com>
9462             Julian Brown  <julian@codesourcery.com>
9463
9464         * config/arm/arm.c (arm_rtx_costs_1): Adjust cost for CONST_VECTOR.
9465         (arm_size_rtx_costs): Likewise.
9466         (neon_valid_immediate): Add a case for double 0.0.
9467
9468 2012-07-18  Andrew Stubbs  <ams@codesourcery.com>
9469             Mark Shinwell  <shinwell@codesourcery.com>
9470             Julian Brown  <julian@codesourcery.com>
9471
9472         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp)
9473         (*movdi_vfp_cortexa8, *movsf_vfp, *thumb2_movsf_vfp)
9474         (*movdf_vfp, *thumb2_movdf_vfp, *movsfcc_vfp)
9475         (*thumb2_movsfcc_vfp, *movdfcc_vfp, *thumb2_movdfcc_vfp): Add
9476         neon_type.
9477         * config/arm/arm.md (neon_type): Update comment.
9478
9479 2012-07-18  Richard Guenther  <rguenther@suse.de>
9480
9481         PR tree-optimization/53970
9482         * tree.h (contains_packed_reference): Remove.
9483         * expr.c (contains_packed_reference): Likewise.
9484         * tree-vect-data-refs.c (not_size_aligned): New function.
9485         (vector_alignment_reachable_p): Use it.
9486         (vect_supportable_dr_alignment): Likewise.
9487
9488 2012-07-18  Richard Guenther  <rguenther@suse.de>
9489
9490         * tree.h (get_object_or_type_alignment): Remove.
9491         * builtins.c (get_object_alignment_2): New function copied from
9492         get_object_alignment_1.  Take extra argument to indicate whether
9493         we take the address of EXP.  Rework to use type alignment information
9494         if not, and return whether the result is an approximation or not.
9495         (get_object_alignment_1): Wrap around get_object_alignment_2.
9496         (get_pointer_alignment_1): Call get_object_alignment_2 indicating
9497         we take the address.
9498         (get_object_or_type_alignment): Remove.
9499         * expr.c (expand_assignment): Call get_object_alignment.
9500         (expand_expr_real_1): Likewise.
9501
9502 2012-07-18  Nick Clifton  <nickc@redhat.com>
9503
9504         * doc/invoke.texi (ARM Options): Document -munaligned-access.
9505
9506 2012-07-18  Oleg Endo  <olegendo@gcc.gnu.org>
9507
9508         * config/sh/sh.md (mulsidi3, umulsidi3): Remove constraints in
9509         expander.  Use arith_reg_dest predicate.
9510         (rotldi3, rotrdi3): Remove constraints in expander.
9511         (adddi3_compact, subdi3_compact, mulsidi3_compact, umulsidi3_compact,
9512         ashlsi3_n, *ashlhi3_n, ashrsi2_16, ashrsi2_31, lshrsi3_n): Convert to
9513         insn_and_split.
9514
9515 2012-07-18  Oleg Endo  <olegendo@gcc.gnu.org>
9516
9517         PR target/33135
9518         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
9519         description.
9520         * config/sh/sh.c (sh_option_override): Do not change
9521         flag_finite_math_only.  Set TARGET_IEEE to complement of
9522         flag_finite_math_only.
9523         * doc/invoke.texi (SH options): Add mno-ieee.  Correct description
9524         of mieee and mno-ieee behavior.
9525
9526 2012-07-18  Steven Bosscher  <steven@gcc.gnu.org>
9527
9528         * graphite-poly.c (print_pbb_body): Fixup dump_bb call.
9529
9530 2012-07-18  Steven Bosscher  <steven@gcc.gnu.org>
9531
9532         * dumpfile.h (TDF_COMMENT): New define.
9533         * basic-block.h (EDGE_FALLTHRU, EDGE_ABNORMAL, EDGE_ABNORMAL_CALL,
9534         EDGE_EH, EDGE_FAKE, EDGE_DFS_BACK, EDGE_CAN_FALLTHRU,
9535         EDGE_IRREDUCIBLE_LOOP, EDGE_SIBCALL, EDGE_LOOP_EXIT, EDGE_TRUE_VALUE,
9536         EDGE_FALSE_VALUE, EDGE_EXECUTABLE, EDGE_CROSSING, EDGE_PRESERVE):
9537         Move to new file cfg-flags.h.
9538         (enum cfg_edge_flags): New enum, using cfg-flags.h.
9539         (EDGE_ALL_FLAGS): Compute value automatically.
9540         (BB_NEW, BB_REACHABLE, BB_IRREDUCIBLE_LOOP, BB_SUPERBLOCK,
9541         BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION,
9542         BB_DUPLICATED, BB_NON_LOCAL_GOTO_TARGET, BB_RTL,
9543         BB_FORWARDER_BLOCK, BB_NONTHREADABLE_BLOCK, BB_MODIFIED, BB_VISITED,
9544         BB_IN_TRANSACTION): Move to new file cfg-flags.h.
9545         (enum bb_flags): Rename to cfg_bb_flags.  Use cfg-flags.h.
9546         (BB_ALL_FLAGS): New, compute value automatically.
9547         (dump_bb_info): Update prototype.
9548         (dump_edge_info): Update prototype.
9549         * cfg-flags.h: New file.
9550         * cfg.c (dump_edge_info): Take flags argument.  Be verbose only if
9551         TDF_DETAILS and not TDF_SLIM.  Include cfg-flags.h for bitnames.
9552         Check that the edge flags are within the range of EDGE_ALL_FLAGS.
9553         (debug_bb): Update dump_bb call.
9554         (dump_cfg_bb_info): Remove.
9555         (dump_bb_info): New function.  Use cfg-flags.h for bitnames.
9556         Adjust verbosity using TDF_* flags.  Check that the basic block flags
9557         are within the range of BB_ALL_FLAGS.
9558         (brief_dump_cfg): Use dump_bb_info instead of dump_cfg_bb_info.
9559         * cfghooks.h (struct cfghooks): Update dump_bb hook, take a FILE
9560         first for consistency with other dump functions.
9561         (dump_bb): Update prototype accordingly.
9562         * cfghooks.c: Include dumpfile.h.
9563         (verify_flow_info): Update dump_edge_info calls.
9564         (dump_bb): Take a flags argument and pass it around.
9565         Use dump_bb_info to dump common information about a basic block.
9566         (dump_flow_info): Moved here from cfgrtl.c.  Make IL agnostic.
9567         (debug_flow_info): Moved here from cfgrtl.c.
9568         * profile.c (is_edge_inconsistent): Update dump_bb calls.
9569         * loop-invariant.c (find_defs): Update print_rtl_with_bb call.
9570         * rtl.h (debug_bb_n_slim, debug_bb_slim, print_rtl_slim,
9571         print_rtl_slim_with_bb): Remove prototypes.
9572         (dump_insn_slim): Adjust prototype to take a const_rtx.
9573         (print_rtl_with_bb): Adjust prototype.
9574         * sched-rgn.c (debug_region): Use dump_bb instead of debug_bb_n_slim.
9575         * sched-vis.c (dump_insn_slim): Take a const_rtx.
9576         (debug_insn_slim): Prototype here near DEBUG_FUNCTION marker.
9577         (print_rtl_slim_with_bb): Remove.
9578         (print_rtl_slim): Rename to debug_rtl_slim.  Print only insn info,
9579         not basic block info (print_rtl_with_bb with TDF_SLIM should be used
9580         for that.  Prototype here near DEBUG_FUNCTION marker.
9581         (debug_bb_slim): Prototype here near DEBUG_FUNCTION marker.
9582         Use dump_bb.
9583         (debug_bb_n_slim): Prototype here near DEBUG_FUNCTION marker.
9584         * tree-cfg.c (gimple_can_merge_blocks_p): Use EDGE_COMPLEX.
9585         (remove_bb): Update dump_bb call.
9586         (gimple_debug_bb): Use dump_bb.
9587         (dump_function_to_file): Update gimple_dump_bb call.
9588         (print_loops_bb): Likewise.
9589         * tree-flow.h (gimple_dump_bb): Update prototype.
9590         * gimple-pretty-print.c (dump_bb_header): Rename to
9591         dump_gimple_bb_header.  Write to a stream instead of a pretty
9592         printer.  Use dump_bb_info to dump basic block info.
9593         (dump_bb_end): Rename to dump_gimple_bb_footer.  Write to a
9594         stream instead of a pretty printer.  Use dump_bb_info.
9595         (gimple_dump_bb_buff): Do not call dump_bb_header and dump_bb_end.
9596         (gimple_dump_bb): Do it here with dump_gimple_bb_header and
9597         dump_gimple_bb_footer.
9598         * cfgrtl.c (rtl_dump_bb): Update prototype.  Only dump DF if the
9599         dump flags have TDF_DETAILS.  Use dump_insn_slim if TDF_SLIM.
9600         (print_rtl_with_bb): Take a flags argument and pass it around.
9601         Use dump_insn_slim if TDF_SLIM.
9602         (dump_bb_info): Removed and re-incarnated in cfg.c.
9603         (dump_flow_info): Moved to cfghooks.c.
9604         (debug_flow_info): Moved to cfghooks.c.
9605         * passes.c (execute_function_dump): Unconditionally use
9606         print_rtl_with_bb for RTL dumps, now that it understands TDF_SLIM.
9607         * final.c (dump_basic_block_info): Update dump_edge_info calls.
9608         * tree-vrp.c (dump_asserts_for): Likewise.
9609         * ifcvt.c (if_convert): Unconditionally use print_rtl_with_bb.
9610         * tree-if-conv.c (if_convertible_bb_p): Don't look at
9611         EDGE_ABNORMAL_CALL, it has no meaning in the GIMPLE world.
9612         * trans-mem.c (make_tm_edge): Don't set EDGE_ABNORMAL_CALL,
9613         for the same reason.
9614         * config/rl78/rl78.c (rl78_reorg): Update print_rtl_with_bb calls.
9615
9616 2012-07-17  Richard Guenther  <rguenther@suse.de>
9617
9618         * tree-vect-data-refs.c (vect_get_new_vect_var): Add referenced
9619         vars here, use create_tmp_reg where appropriate.
9620         (vect_create_addr_base_for_vector_ref): Do not add referenced
9621         vars here, use create_tmp_reg where appropriate.
9622         (vect_create_data_ref_ptr): Likewise.
9623         (vect_create_destination_var): Likewise.
9624         (vect_permute_store_chain): Likewise.
9625         (vect_permute_load_chain): Likewise.
9626         * tree-vect-loop-manip.c (vect_create_cond_for_align_checks):
9627         Likewise.
9628         * tree-vect-loop.c (get_initial_def_for_induction): Likewise.
9629         * tree-vect-patterns.c (vect_recog_temp_ssa_var): Likewise.
9630         (vect_handle_widen_op_by_const): Likewise.
9631         * tree-vect-stmts.c (vect_init_vector): Likewise.
9632         (vectorizable_load): Likewise.
9633
9634 2012-07-17  Tom de Vries  <tom@codesourcery.com>
9635
9636         * hwint.c: Fix loop range.
9637
9638 2012-07-17  Tom de Vries  <tom@codesourcery.com>
9639
9640         * double-int.h (double_int_popcount): New inline function.
9641         * hwint.c (popcount_hwi): New function.
9642         * hwint.h (popcount_hwi): Declare function.  New inline function.
9643
9644 2012-07-17  Richard Henderson  <rth@redhat.com>
9645
9646         * tree-vect-stmts.c (supportable_widening_operation): Remove decl
9647         parameters.
9648         (vectorizable_conversion): Update supportable_widening_operation call.
9649         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Likewise.
9650         (vect_recog_widen_shift_pattern): Likewise.
9651         * tree-vectorizer.h: Update decl.
9652
9653 2012-07-17  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
9654             Ulrich Weigand  <ulrich.weigand@linaro.org>
9655
9656         * common/config/arm/arm-common.c (arm_option_optimization_table):
9657         Enable -fsched-pressure by default while optimizing.
9658         * config/arm/arm.c (arm_option_override): Use the alternate scheduler
9659         pressure algorithm by default.
9660
9661 2012-07-16  Oleg Endo  <olegendo@gcc.gnu.org>
9662
9663         * config/sh/sh.h (CONST_OK_FOR_I06): Delete.
9664         (CONST_OK_FOR_I10): Move macro to ...
9665         * config/sh/sh.c: ... here.
9666         (sh_legitimate_index_p): Use satisfies_constraint_I06 instead of
9667         CONST_OK_FOR_I06.
9668
9669 2012-07-16  Oleg Endo  <olegendo@gcc.gnu.org>
9670
9671         * config/sh/sh.md: Delete mov related define_peephole patterns.
9672
9673 2012-07-16  Jonathan Wakely  <jwakely.gcc@gmail.com>
9674
9675         PR c++/53919
9676         * doc/install.texi (Installing GCC): Refer to instructions for
9677         released versions. Fix hyphenation.
9678
9679 2012-07-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9680
9681         * config/spu/spu.c (targetm): Move to bottom of file.
9682         (spu_attribute_table): Likewise.
9683         (spu_option_override, spu_init_builtins, spu_builtin_decl,
9684         spu_scalar_mode_supported_p, spu_vector_mode_supported_p,
9685         spu_legitimate_address_p, spu_addr_space_legitimate_address_p,
9686         adjust_operand, get_pic_reg, need_to_save_reg, frame_emit_store,
9687         frame_emit_load, frame_emit_add_imm, emit_nop_for_insn,
9688         insn_clobbers_hbr, spu_emit_branch_hint, spu_emit_vector_compare,
9689         get_branch_target, spu_machine_dependent_reorg, spu_sched_issue_rate,
9690         spu_sched_variable_issue, spu_sched_adjust_cost, spu_sched_init_global,
9691         spu_sched_init, spu_sched_reorder, spu_handle_fndecl_attribute,
9692         spu_handle_vector_attribute, spu_pass_by_reference, spu_function_arg,
9693         spu_function_arg_advance, spu_build_builtin_va_list, spu_va_start,
9694         spu_gimplify_va_arg_expr, store_with_one_insn_p, reg_aligned_for_addr,
9695         spu_assemble_integer, spu_asm_globalize_label, spu_rtx_costs,
9696         spu_function_ok_for_sibcall, spu_init_libfuncs, spu_return_in_memory,
9697         spu_encode_section_info, spu_legitimize_address,
9698         spu_addr_space_legitimize_address, spu_builtin_mask_for_load,
9699         spu_builtin_vectorization_cost, spu_vector_alignment_reachable,
9700         spu_addr_space_pointer_mode, spu_addr_space_address_mode,
9701         spu_addr_space_subset_p, spu_addr_space_convert, spu_sms_res_mii,
9702         spu_section_type_flags, spu_select_section, spu_unique_section,
9703         spu_trampoline_init, spu_conditional_register_usage,
9704         spu_ref_may_alias_errno, spu_output_mi_thunk, spu_unwind_word_mode,
9705         spu_libgcc_cmp_return_mode, spu_libgcc_shift_count_mode,
9706         spu_setup_incoming_varargs): Remove prototypes.
9707         (spu_legitimize_address): Add "static" to definition.
9708
9709 2012-07-16  Jakub Jelinek  <jakub@redhat.com>
9710
9711         * config/i386/rtmintrin.h (_xabort): Remove trailing semicolon.
9712
9713 2012-07-16  Ulrich Weigand  <ulrich.weigand@linaro.org>
9714
9715         * tree-ssa-ccp.c (optimize_unreachable): Check gsi_end_p
9716         before calling gsi_stmt.
9717
9718 2012-07-16  Kirill Yukhin  <kirill.yukhin@intel.com>
9719
9720         Revert
9721         2012-07-16 Sergey Melnikov <sergey.melnikov@intel.com>
9722
9723         * config/i386/i386.md (stack_protect_set): Disable the pattern
9724         for Android since Android libc (bionic) does not provide random
9725         value for stack protection guard at gs:0x14. Guard value
9726         will be provided from external symbol (default implementation).
9727         (stack_protect_set_<mode>): Likewise.
9728         (stack_protect_test): Likewise.
9729         (stack_protect_test_<mode>): Likewise.
9730
9731 2012-07-16  H.J. Lu  <hongjiu.lu@intel.com>
9732
9733         PR middle-end/53959
9734         PR bootstrap/53963
9735         * gimple.c (gimple_types_compatible_p_1): Restore type attribute
9736         comparison.
9737
9738 2012-07-16  Bill Schmidt  <wschmidt@linux.ibm.com>
9739
9740         * opts.c (default_option): Add -fvect-cost-model to default options
9741         at -O3 and above.
9742
9743 2012-07-16  Steven Bosscher  <steven@gcc.gnu.org>
9744
9745         * graphite-clast-to-gimple.c, graphite-dependences.c,
9746         graphite-sese-to-poly.c: Include tree-pass.h instead of dumpfile.h
9747         for pass TODO flags.
9748         * Makefile.in: Fix dependencies.
9749
9750 2012-07-16  Steven Bosscher  <steven@gcc.gnu.org>
9751
9752         * haifa-sched.c (init_before_recovery): Do not set EDGE_CAN_FALLTHRU.
9753         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
9754
9755         * function.c (stack_protect_epilogue): Use expand_call to expand
9756         targetm.stack_protect_fail.
9757         * stmt.c (expand_expr_stmt): Remove now-unused function.
9758         * tree.h (expand_expr_stmt): Remove prototype.
9759         * doc/tm.texi.in (TARGET_STACK_PROTECT_FAIL): Document that this
9760         hook must return a CALL_EXPR.
9761         * doc/tm.texi: Regenerate.
9762
9763         * emit-rtl.c (emit_label_before): Do not allow the same label
9764         to be emitted twice.
9765         (emit_label_after): Likewise.
9766         (emit_label): Likewise.
9767
9768         * flags.h (TYPE_OVERFLOW_WRAPS, TYPE_OVERFLOW_UNDEFINED,
9769         TYPE_OVERFLOW_TRAPS, POINTER_TYPE_OVERFLOW_UNDEFINED): Move to tree.h.
9770         * tree.h (TYPE_OVERFLOW_WRAPS, TYPE_OVERFLOW_UNDEFINED,
9771         TYPE_OVERFLOW_TRAPS, POINTER_TYPE_OVERFLOW_UNDEFINED): New home.
9772
9773 2012-07-16  Steven Bosscher  <steven@gcc.gnu.org>
9774
9775         * system.h (dump_file): Do not define.
9776         * tree-pass.h: Include dumpfile.h, which is a new file containing...
9777         (enum tree_dump_index, TDF_*, get_dump_file_name, dump_enabled_p,
9778         dump_initialized_p, dump_begin, dump_end, dump_node, dump_switch_p,
9779         dump_flag_name, dump_file, dump_flags, dump_file_name,
9780         get_dump_file_info, struct dump_file_info): all of this, moved to...
9781         * dumpfile.h: Here, new file.
9782         * tree-dump.h: Include dumpfile.h, but not tree-pass.h.
9783         (dump_stmt): Remove prototype for C++ specific function.
9784         (dump_enumerated_decls): Move prototype from here...
9785         * tree-flow.h (dump_enumerated_decls): ... to here.
9786         (get_ref_base_and_extent) Move prototype from here ...
9787         * tree.h (get_ref_base_and_extent) ... to here.
9788         * tree-ssa-live.c: Do not inclde tree-pretty-print.h, because
9789         gimple-pretty-print.h is enough.  Do not include tree-dump.h,
9790         include timevar.h and dumpfile.h instead.
9791         (struct numbered_tree_d, compare_decls_by_uid,
9792         dump_enumerated_decls_push, dump_enumerated_decls): Move from here ...
9793         * tree-dfa.c:(struct numbered_tree_d, compare_decls_by_uid,
9794         dump_enumerated_decls_push, dump_enumerated_decls):... to here.
9795         Do not include timevar.h.
9796         * tree.c: Do not include timevar.h.
9797         * tree-cfg.c: Do not include langhooks.h, tree-pretty-print.h, and
9798         timevar.h.
9799         (dump_cfg_stats): Use current_function_name.
9800         (gimple_cfg2vcg): Likewise.
9801         (dump_function_to_file): Likewise.
9802         * df-scan.c: Do not include tree-pass.h and timevar.h.
9803         Include dumpfile.h.
9804         (df_entry_block_bitmap_verify, df_exit_block_bitmap_verify): Do not
9805         use print_current_pass.
9806         * df-problems.c: Include dumpfile.h.
9807         Always define REG_DEAD_DEBUGGING, avoid #ifdef code, because it
9808         leads to errors in the code not selected.
9809         (df_note_compute): Do not print_rtl_with_bb here.  Fix compilation
9810         bug if REG_DEAD_DEBUGGING is not 0, get_insns is not available here.
9811         * lcm.c: Include dumpfile.h.
9812         Remove obsolete include of insn-attr.h.
9813         * dojump.c (do_compare_rtx_and_jump): Remove failure printing for
9814         missing probability notes.
9815         * stmt.c: Include dumpfile.h.
9816         (emit_case_decision_tree): Re-enable printing expand details only
9817         if TDF_DETAILS.
9818         * alias.c, auto-inc-dec.c, bb-reorder.c, caller-save.c, cfg.c,
9819         cfgcleanup.c, cfgexpand.c, cfgloop.c, cfgloopmanip.c, cgraph.c,
9820         cgraphclones.c, cgraphunit.c, combine.c, combine-stack-adj.c,
9821         coverage.c, cprop.c, cse.c, cselib.c, dbgcnt.c, dce.c, df-core.c,
9822         dse.c, dwarf2out.c, emit-rtl.c, except.c, expr.c, final.c,
9823         function.c, fwprop.c, gcse.c, gimple-fold.c,
9824         gimple-pretty-print.c, gimple-ssa-strength-reduction.c,
9825         gimplify.c, graphite-blocking.c, graphite-clast-to-gimple.c,
9826         graphite-dependences.c, graphite-interchange.c,
9827         graphite-optimize-isl.c, graphite-poly.c,
9828         graphite-sese-to-poly.c, haifa-sched.c, hw-doloop.c, ifcvt.c,
9829         ipa.c, ipa-cp.c, ipa-inline-analysis.c, ipa-inline.c,
9830         ipa-inline-transform.c, ipa-prop.c, ipa-pure-const.c,
9831         ipa-reference.c, ipa-split.c, ipa-utils.c, ira.c, ira-emit.c,
9832         jump.c, loop-doloop.c, loop-init.c, loop-invariant.c, loop-iv.c,
9833         loop-unroll.c, loop-unswitch.c, lower-subreg.c,
9834         lto-section-out.c, lto-streamer-in.c, matrix-reorg.c, mcf.c,
9835         mode-switching.c, modulo-sched.c, omega.c, omp-low.c, passes.c,
9836         plugin.c, postreload.c, postreload-gcse.c, predict.c, print-rtl.c,
9837         print-tree.c, profile.c, recog.c, ree.c, regcprop.c, reginfo.c,
9838         regmove.c, regrename.c, reg-stack.c, reload1.c, reorg.c,
9839         sched-rgn.c, sched-vis.c, sel-sched.c, sel-sched-ir.c,
9840         store-motion.c, tracer.c, trans-mem.c, tree-affine.c,
9841         tree-call-cdce.c, tree-cfgcleanup.c, tree-chrec.c,
9842         tree-data-ref.c, tree-diagnostic.c, tree-dump.c,
9843         tree-eh.c, tree-flow-inline.h, tree-if-conv.c, tree-into-ssa.c,
9844         tree-mudflap.c, tree-nrv.c, tree-object-size.c,
9845         tree-optimize.c, tree-outof-ssa.c, tree-predcom.c,
9846         tree-pretty-print.c, tree-profile.c, tree-scalar-evolution.c,
9847         tree-sra.c, tree-ssa-address.c, tree-ssa-alias.c, tree-ssa.c,
9848         tree-ssa-ccp.c, tree-ssa-coalesce.c, tree-ssa-copy.c,
9849         tree-ssa-copyrename.c,, tree-ssa-dce.c, tree-ssa-dom.c,
9850         tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-ifcombine.c,
9851         tree-ssa-loop.c, tree-ssa-loop-ch.c, tree-ssa-loop-im.c,
9852         tree-ssa-loop-ivcanon.c, tree-ssa-loop-ivopts.c,
9853         tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
9854         tree-ssa-loop-prefetch.c, tree-ssa-loop-unswitch.c,
9855         tree-ssa-math-opts.c, tree-ssa-operands.c, tree-ssa-phiopt.c,
9856         tree-ssa-phiprop.c, tree-ssa-pre.c, tree-ssa-propagate.c,
9857         tree-ssa-reassoc.c, tree-ssa-sccvn.c, tree-ssa-sink.c,
9858         tree-ssa-structalias.c, tree-ssa-tail-merge.c, tree-ssa-ter.c,
9859         tree-ssa-threadedge.c, tree-ssa-threadupdate.c,
9860         tree-ssa-uncprop.c, tree-ssa-uninit.c,
9861         tree-switch-conversion.c, tree-tailcall.c,
9862         tree-vect-data-refs.c, tree-vect-loop.c,
9863         tree-vect-loop-manip.c, tree-vectorizer.c,
9864         tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
9865         tree-vrp.c, value-prof.c, var-tracking.c, web.c: Include tree-pass.h
9866         only if needed.  If tree-pass.h is included, do not include timevar.h
9867         and dumpfile.h.  If tree-pass.h is not included but dump_file, or
9868         dump_flags, or the TDF_* flags are used, include dumpfile.h.
9869         If gimple-pretty-print.h is included, don't include
9870         tree-pretty-print.h.  Remove assorted unnecessary includes.
9871
9872         * config/mn10300/mn10300.c, config/c6x/c6x.c, config/ia64/ia64.c,
9873         config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
9874         config/spu/spu.c, config/mep/mep.c, config/i386/i386.c:
9875         Include dumpfile.h.
9876         * config/rl78/rl78.c: Include dumpfile.h instead of tree-pass.h.
9877         * arm/t-arm, avr/t-avr, i386/t-i386, ia64/t-ia64, mep/t-mep,
9878         spu/t-spu-elf: Fix dependencies.
9879
9880 2012-07-16  Dehao Chen  <dehao@google.com>
9881
9882         Revert
9883         2012-07-10  Dehao Chen  <dehao@google.com>
9884
9885         * tree.h (phi_arg_d): New field.
9886         * tree-flow-inline.h (gimple_phi_arg_block): New function.
9887         (gimple_phi_arg_block_from_edge): New function.
9888         (gimple_phi_arg_set_block): New function.
9889         (gimple_phi_arg_has_block): New function.
9890         (redirect_edge_var_map_block): New function.
9891         * tree-flow.h (_edge_var_map): New field.
9892         * tree-ssa-live.c (remove_unused_locals): Mark phi_arg's block as used.
9893         * tree-eh.c (cleanup_empty_eh_merge_phis): Add block debug info for
9894         redirect_edge_var_map_add.
9895         * tree-outof-ssa.c (_elim_graph): New field.
9896         (insert_partition_copy_on_edge): New parameter.
9897         (insert_value_copy_on_edge): New parameter.
9898         (insert_rtx_to_part_on_edge): New parameter.
9899         (insert_part_to_rtx_on_edge): New parameter.
9900         (elim_graph_add_edge): New parameter.
9901         (elim_graph_remove_succ_edge): New parameter.
9902         (FOR_EACH_ELIM_GRAPH_SUCC): New parameter.
9903         (FOR_EACH_ELIM_GRAPH_PRED): New parameter.
9904         (new_elim_graph): Add block debug info.
9905         (clear_elim_graph): Likewise.
9906         (delete_elim_graph): Likewise.
9907         (elim_graph_add_node): Likewise.
9908         (elim_graph_add_edge): Likewise.
9909         (elim_graph_remove_succ_edge): Likewise.
9910         (eliminate_build): Likewise.
9911         (elim_forward): Likewise.
9912         (elim_unvisited_predecessor): Likewise.
9913         (elim_backward): Likewise.
9914         (elim_create): Likewise.
9915         (eliminate_phi): Likewise.
9916         (insert_backedge_copies): Likewise.
9917         * tree-into-ssa.c (insert_phi_nodes_for): Add block debug info for
9918         add_phi_arg.
9919         (rewrite_add_phi_arguments): Likewise.
9920         * tree-ssa-loop-im.c (execute_sm_if_changed): Likewise.
9921         * tree-ssa-tail-merge.c (replace_block_by): Likewise.
9922         * tree-ssa-threadupdate.c (copy_phi_args): Likewise.
9923         * tree-loop-distribution.c (update_phis_for_loop_copy): Likewise.
9924         * tree-ssa-loop-manip.c (create_iv): Likewise.
9925         (add_exit_phis_edge): Likewise.
9926         (split_loop_exit_edge): Likewise.
9927         (copy_phi_node_args): Likewise.
9928         (tree_transform_and_unroll_loop): Likewise.
9929         * value-prof.c (gimple_ic): Likewise.
9930         (gimple_stringop_fixed_value): Likewise.
9931         * tree-tailcall.c (add_successor_phi_arg): Likewise.
9932         (eliminate_tail_call): Likewise.
9933         (create_tailcall_accumulator): Likewise.
9934         (tree_optimize_tail_calls_1): Likewise.
9935         * tree-phinodes.c (add_phi_arg): Likewise.
9936         (make_phi_node): Likewise.
9937         (resize_phi_node): Likewise.
9938         (remove_phi_arg_num): Likewise.
9939         * omp-low.c (expand_parallel_call): Likewise.
9940         (expand_omp_for_static_chunk): Likewise.
9941         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop):
9942         Likewise.
9943         (slpeel_update_phi_nodes_for_guard1): Likewise.
9944         (slpeel_update_phi_nodes_for_guard2): Likewise.
9945         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9946         (set_prologue_iterations): Likewise.
9947         (slpeel_tree_peel_loop_to_edge): Likewise.
9948         (vect_loop_versioning): Likewise.
9949         * tree-parloops.c (create_phi_for_local_result): Likewise.
9950         (transform_to_exit_first_loop): Likewise.
9951         (create_parallel_loop): Likewise.
9952         * ipa-split.c (split_function): Likewise.
9953         * tree-vect-loop.c (get_initial_def_for_induction): Likewise.
9954         (vect_create_epilog_for_reduction): Likewise.
9955         * tree-vect-data-refs.c (vect_setup_realignment): Likewise.
9956         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Likewise.
9957         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
9958         (cond_if_else_store_replacement_1): Likewise.
9959         * tree-cfgcleanup.c (remove_forwarder_block): Likewise.
9960         (remove_forwarder_block_with_phi): Likewise.
9961         * tree-ssa-pre.c (insert_into_preds_of_block): Likewise.
9962         * tree-predcom.c (initialize_root_vars): Likewise.
9963         (initialize_root_vars_lm): Likewise.
9964         * sese.c (sese_add_exit_phis_edge): Likewise.
9965         * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
9966         * tree-ssa.c (flush_pending_stmts): Likewise.
9967         (redirect_edge_var_map_add): Likewise.
9968         (ssa_redirect_edge): Likewise.
9969         * gimple-streamer-in.c (input_phi): Likewise.
9970         * tree-vect-stmts.c (vectorizable_load): Likewise.
9971         * tree-inline.c (copy_phis_for_bb): Likewise.
9972         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
9973         * tree-switch-conversion.c (fix_phi_nodes): Likewise.
9974         * tree-cfg.c (reinstall_phi_args): Likewise.
9975         (gimple_make_forwarder_block): Likewise.
9976         (add_phi_args_after_copy_edge): Likewise.
9977         (gimple_duplicate_sese_tail): Likewise.
9978
9979 2012-07-16 Sergey Melnikov <sergey.melnikov@intel.com>
9980
9981         * config/i386/i386.md (stack_protect_set): Disable the pattern
9982         for Android since Android libc (bionic) does not provide random
9983         value for stack protection guard at gs:0x14. Guard value
9984         will be provided from external symbol (default implementation).
9985         (stack_protect_set_<mode>): Likewise.
9986         (stack_protect_test): Likewise.
9987         (stack_protect_test_<mode>): Likewise.
9988
9989 2012-07-16  Hans-Peter Nilsson  <hp@axis.com>
9990
9991         * config/cris/cris-protos.h (cris_legitimate_address_p): Declare.
9992         * config/cris/cris.h (CONSTANT_ADDRESS_P): Define in terms of
9993         CONSTANT_P and cris_legitimate_address_p.
9994         * config/cris/cris.c (cris_legitimate_address_p): Make non-static.
9995         (cris_preferred_reload_class): Don't return GENERAL_REGS as
9996         preferred to MOF_SRP_REGS.
9997
9998         * config/cris/cris.c (cris_init_libfuncs): Handle initialization
9999         of library functions for basic atomic compare-and-swap.
10000         * config/cris/cris.h (TARGET_ATOMICS_MAY_CALL_LIBFUNCS): New macro.
10001         * config/cris/cris.opt (munaligned-atomic-may-use-library): New option.
10002         * config/cris/sync.md ("atomic_fetch_<atomic_op_name><mode>")
10003         ("cris_atomic_fetch_<atomic_op_name><mode>_1")
10004         ("atomic_compare_and_swap<mode>")
10005         ("cris_atomic_compare_and_swap<mode>_1"): Make conditional on
10006         TARGET_ATOMICS_MAY_CALL_LIBFUNCS for sizes larger than byte.
10007         * config/cris/cris.c (cris_print_operand) <case 'P', 'q'>: New cases.
10008         * config/cris/sync.md (atomic_op_op_cnstr): New code_attr.
10009         (atomic_op_op_pred): Ditto.
10010         (atomic_op_mnem_pre_op2): Renamed from atomic_op_mnem_pre; to
10011         reflect the change to include %2 in expansion.  All callers changed.
10012         (qm3): New mode_attr.
10013         ("atomic_fetch_<atomic_op_name><mode>"): Use <atomic_op_op_pred>
10014         as predicate for operand 2.
10015         ("cris_atomic_fetch_<atomic_op_name><mode>_1"): Update FIXME.  Use
10016         "<atomic_op_op_pred>" "<atomic_op_op_cnstr>" for predicate and
10017         constraint for operand 2.
10018         ("atomic_compare_and_swap<mode>"): Add FIXME.  Change predicate to
10019         nonmemory_operand for operand 3.
10020         ("cris_atomic_compare_and_swap<mode>_1"): Change operand 3 to
10021         exclude memory.  Improve emitted sync code for v10 and v32.  Use
10022         <qm3> instead of <m> for size designator for cmp.
10023         ("atomic_compare_and_swap<mode>"): Change predicate to
10024         nonmemory_operand for operand 3.  Add FIXME.
10025         ("cris_atomic_compare_and_swap<mode>_1"): Change predicates and
10026         constraints for operand 3 to exclude memory.
10027         ("atomic_fetch_<atomic_op_name><mode>")
10028         ("atomic_compare_and_swap<mode>"): Gate expand_mem_thread_fence
10029         calls on result of call to need_atomic_barrier_p.
10030
10031 2012-07-15  Richard Sandiford  <rdsandiford@googlemail.com>
10032
10033         * config/mips/mips.md (move_type): Replace mfhilo and mthilo
10034         with mflo and mtlo.
10035         (type): Split mfhilo into mfhi and mflo.  Split mthilo into mthi
10036         and mtlo.  Adjust move_type->type mapping.
10037         (may_clobber_hilo): Split mthilo into mthi and mtlo.
10038         (*movdi_32bit, *movdi_32bit_mips16, *movdi_64bit, *movdi_64bit_mips16)
10039         (*mov<mode>_internal, *mov<mode>_mips16, *movhi_internal)
10040         (*movhi_mips16, *movqi_internal, *movqi_mips16): Use mtlo and mflo
10041         instead of mthilo and mfhilo.
10042         (mfhi<GPR:mode>_<HILO:mode>): Use mfhi instead of mfhilo.
10043         (mthi<GPR:mode>_<HILO:mode>): Use mthi instead of mthilo.
10044         * config/mips/mips-dsp.md (mips_extr_w, mips_extr_r_w, mips_extr_rs_w)
10045         (mips_extr_s_h, mips_extp, mips_extpdp, mips_shilo, mips_mthlip):
10046         Use mflo instead of mfhilo.
10047         * config/mips/10000.md (r10k_arith): Split mthilo.
10048         (r10k_mfhi, r10k_mflo): Use mfhi and mflo directly.
10049         * config/mips/sb1.md (ir_sb1_mfhi, ir_sb1_mflo): Likewise.
10050         (ir_sb1_mthilo): Split mthilo into mthi and mtlo.
10051         * config/mips/20kc.md (r20kc_imthilo, r20kc_imfhilo): Split
10052         mthilo and mfhilo.
10053         * config/mips/24k.md (r24k_int_mfhilo, r24k_int_mthilo): Likewise.
10054         * config/mips/4130.md (vr4130_class, vr4130_mfhilo, vr4130_mthilo):
10055         Likewise.
10056         * config/mips/4k.md (r4k_int_mthilo, r4k_int_mfhilo): Likewise.
10057         * config/mips/5400.md (ir_vr54_hilo): Likewise.
10058         * config/mips/5500.md (ir_vr55_mthilo, ir_vr55_mfhilo): Likewise.
10059         * config/mips/5k.md (r5k_int_mthilo, r5k_int_mfhilo): Likewise.
10060         * config/mips/7000.md (rm7_mthilo, rm7_mfhilo): Likewise.
10061         * config/mips/74k.md (r74k_int_mfhilo, r74k_int_mthilo): Likewise.
10062         * config/mips/9000.md (rm9k_mfhilo, rm9k_mthilo): Likewise.
10063         * config/mips/generic.md (generic_hilo): Likewise.
10064         * config/mips/loongson2ef.md (ls2_alu): Likewise.
10065         * config/mips/loongson3a.md (ls3a_mfhilo): Likewise.
10066         * config/mips/octeon.md (octeon_imul_o1, octeon_imul_o2)
10067         (octeon_mfhilo_o1, octeon_mfhilo_o2): Likewise.
10068         * config/mips/sr71k.md (ir_sr70_hilo): Likewise.
10069         * config/mips/xlr.md (xlr_hilo): Likewise.
10070
10071 2012-07-14  Andrew Stubbs  <ams@codesourcery.com>
10072             Sandra Loosemore  <sandra@codesourcery.com>
10073
10074         * config/sh/sh.h (SH_ASM_SPEC): Add spaces between options.
10075
10076 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
10077
10078         * config/i386/i386.c (ix86_set_reg_reg_cost): Enable TFmode/TCmode
10079         for TARGET_SSE.
10080
10081 2012-07-14  Steven Bosscher  <steven@gcc.gnu.org>
10082
10083         * toplev.c (init_asm_output): Open asm_out_file in 'w' mode.
10084
10085 2012-07-13  Bill Schmidt  <wschmidt@linux.ibm.com>
10086
10087         PR bootstrap/53955
10088         * config/spu/spu.c (spu_init_cost): Mark static.
10089         (spu_add_stmt_cost): Likewise.
10090         (spu_finish_cost): Likewise.
10091         (spu_destroy_cost_data): Likewise.
10092         * config/i386/i386.c (ix86_init_cost): Mark static.
10093         (ix86_add_stmt_cost): Likewise.
10094         (ix86_finish_cost): Likewise.
10095         (ix86_destroy_cost_data): Likewise.
10096         * config/rs6000/rs6000.c (rs6000_init_cost): Mark static.
10097         (rs6000_add_stmt_cost): Likewise.
10098         (rs6000_finish_cost): Likewise.
10099         (rs6000_destroy_cost_data): Likewise.
10100
10101 2012-07-13  Steven Bosscher  <steven@gcc.gnu.org>
10102
10103         * ggc.h (ggc_internal_alloc_stat, ggc_alloc_typed_stat,
10104         ggc_internal_cleared_alloc_stat, ggc_cleared_alloc_htab_ignore_args,
10105         ggc_cleared_alloc_ptr_array_two_args, ggc_splay_alloc): Add
10106         ATTRIBUTE_MALLOC.
10107         * alloc-pool.h (pool_alloc): Likewise.
10108
10109         * final.c (final): Do not loop to find max_uid.
10110
10111 2012-07-13  Steven Bosscher  <steven@gcc.gnu.org>
10112
10113         * emit-rtl.c (make_debug_insn_raw, make_jump_insn_raw): Make static.
10114         * rtl.h (make_debug_insn_raw, make_jump_insn_raw): Remove prototypes.
10115
10116 2012-07-13  Richard Guenther  <rguenther@suse.de>
10117
10118         PR tree-optimization/53907
10119         * tree-ssa-forwprop.c (associate_pointerplus): New function.
10120         (ssa_forward_propagate_and_combine): Call it.
10121
10122 2012-07-13  Richard Guenther  <rguenther@suse.de>
10123
10124         PR tree-optimization/53922
10125         * tree-vrp.c (value_inside_range): Change prototype to take
10126         min/max instead of value-range.
10127         (range_includes_zero_p): Likewise.  Return the result from
10128         value_inside_range.
10129         (extract_range_from_binary_expr_1): Adjust to handle dont-know
10130         return value from range_includes_zero_p.
10131         (extract_range_from_unary_expr_1): Likewise.
10132         (compare_range_with_value): Likewise.
10133         (vrp_meet_1): Likewise.
10134
10135 2012-07-13  Bill Schmidt  <wschmidt@linux.ibm.com>
10136
10137         * doc/tm.texi: Regenerate.
10138         * doc/tm.texi.in (TARGET_VECTORIZE_INIT_COST): New hook.
10139         (TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
10140         (TARGET_VECTORIZE_FINISH_COST): Likewise.
10141         (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
10142         * targhooks.c (default_init_cost): New function.
10143         (default_add_stmt_cost): Likewise.
10144         (default_finish_cost): Likewise.
10145         (default_destroy_cost_data): Likewise.
10146         * targhooks.h (default_init_cost): New decl.
10147         (default_add_stmt_cost): Likewise.
10148         (default_finish_cost): Likewise.
10149         (default_destroy_cost_data): Likewise.
10150         * target.def (init_cost): New DEFHOOK.
10151         (add_stmt_cost): Likewise.
10152         (finish_cost): Likewise.
10153         (destroy_cost_data): Likewise.
10154         * target.h (struct _stmt_vec_info): New extern decl.
10155         (stmt_vectype): Likewise.
10156         (stmt_in_inner_loop_p): Likewise.
10157         * tree-vectorizer.h (stmt_info_for_cost): New struct/typedef.
10158         (stmt_vector_for_cost): New VEC/typedef.
10159         (add_stmt_info_to_vec): New function.
10160         (struct _slp_tree): Remove cost.inside_of_loop field.
10161         (struct _slp_instance): Remove cost.inside_of_loop field; add
10162         stmt_cost_vec field.
10163         (SLP_INSTANCE_INSIDE_OF_LOOP_COST): Remove macro.
10164         (SLP_INSTANCE_STMT_COST_VEC): New accessor macro.
10165         (SLP_TREE_INSIDE_OF_LOOP_COST): Remove macro.
10166         (struct _vect_peel_extended_info): Add stmt_cost_vec field.
10167         (struct _loop_vec_info): Add target_cost_data field.
10168         (LOOP_VINFO_TARGET_COST_DATA): New accessor macro.
10169         (struct _bb_vec_info): Add target_cost_data field.
10170         (BB_VINFO_TARGET_COST_DATA): New accessor macro.
10171         (struct _stmt_vec_info): Remove cost.inside_of_loop field.
10172         (STMT_VINFO_INSIDE_OF_LOOP_COST): Remove macro.
10173         (stmt_vinfo_set_inside_of_loop_cost): Remove function.
10174         (init_cost): New function.
10175         (add_stmt_cost): Likewise.
10176         (finish_cost): Likewise.
10177         (destroy_cost_data): Likewise.
10178         (vect_model_simple_cost): Change parameter list.
10179         (vect_model_store_cost): Likewise.
10180         (vect_model_load_cost): Likewise.
10181         (record_stmt_cost): New extern decl.
10182         (vect_get_load_cost): Change parameter list.
10183         (vect_get_store_cost): Likewise.
10184         * tree-vect-loop.c (new_loop_vec_info): Call init_cost.
10185         (destroy_loop_vec_info): Call destroy_cost_data.
10186         (vect_estimate_min_profitable_iters): Remove old calculation of
10187         inside costs; call finish_cost instead.
10188         (vect_model_reduction_cost): Call add_stmt_cost instead of old
10189         inside-costs calculation.
10190         (vect_model_induction_cost): Likewise.
10191         * tree-vect-data-refs.c (vect_get_data_access_cost): Change to
10192         return a stmt_vector_for_cost; modify calls to vect_get_load_cost
10193         and vect_get_store_cost to obtain the value to return.
10194         (vect_peeling_hash_get_lowest_cost): Obtain a stmt_cost_vec from
10195         vect_get_data_access_cost and store it in the minimum peeling
10196         structure.
10197         (vect_peeling_hash_choose_best_peeling): Change the parameter list
10198         to add a (stmt_vector_for_cost *) output parameter, and set its value.
10199         (vect_enhance_data_refs_alignment): Ignore the new return value from
10200         calls to vect_get_data_access_cost; obtain stmt_cost_vec from
10201         vect_peeling_hash_choose_best_peeling and pass its contents to the
10202         target cost model.
10203         * tree-vect-stmts.c (stmt_vectype): New function.
10204         (stmt_in_inner_loop_p): Likewise.
10205         (record_stmt_cost): Likewise.
10206         (vect_model_simple_cost): Add stmt_cost_vec parameter; call
10207         record_stmt_cost instead of old calculation; don't call
10208         stmt_vinfo_set_inside_of_loop_cost.
10209         (vect_model_promotion_demotion_cost): Call add_stmt_cost instead of
10210         old calculation; don't call stmt_vinfo_set_inside_of_loop_cost.
10211         (vect_model_store_cost): Add stmt_cost_vec parameter; call
10212         record_stmt_cost instead of old calculation; add stmt_cost_vec
10213         parameter to vect_get_store_cost call; don't call
10214         stmt_vinfo_set_inside_of_loop_cost.
10215         (vect_get_store_cost): Add stmt_cost_vec parameter; call
10216         record_stmt_cost instead of old calculation.
10217         (vect_model_load_cost): Add stmt_cost_vec parameter; call
10218         record_stmt_cost instead of old calculation; add stmt_cost_vec
10219         parameter to vect_get_load_cost call; don't call
10220         stmt_vinfo_set_inside_of_loop_cost.
10221         (vect_get_load_cost): Add stmt_cost_vec parameter; call
10222         record_stmt_cost instead of old calculation.
10223         (vectorizable_call): Add NULL parameter to vect_model_simple_cost call.
10224         (vectorizable_conversion): Likewise.
10225         (vectorizable_assignment): Likewise.
10226         (vectorizable_shift): Likewise.
10227         (vectorizable_operation): Likewise.
10228         (vectorizable_store): Add NULL parameter to vect_model_store_cost call.
10229         (vectorizable_load): Add NULL parameter to vect_model_load_cost call.
10230         (new_stmt_vec_info): Don't set STMT_VINFO_INSIDE_OF_LOOP_COST.
10231         * config/spu/spu.c (TARGET_VECTORIZE_INIT_COST): New macro def.
10232         (TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
10233         (TARGET_VECTORIZE_FINISH_COST): Likewise.
10234         (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
10235         (spu_init_cost): New function.
10236         (spu_add_stmt_cost): Likewise.
10237         (spu_finish_cost): Likewise.
10238         (spu_destroy_cost_data): Likewise.
10239         * config/i386/i386.c (ix86_init_cost): New function.
10240         (ix86_add_stmt_cost): Likewise.
10241         (ix86_finish_cost): Likewise.
10242         (ix86_destroy_cost_data): Likewise.
10243         (TARGET_VECTORIZE_INIT_COST): New macro def.
10244         (TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
10245         (TARGET_VECTORIZE_FINISH_COST): Likewise.
10246         (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
10247         * config/rs6000/rs6000.c (TARGET_VECTORIZE_INIT_COST): New macro def.
10248         (TARGET_VECTORIZE_ADD_STMT_COST): Likewise.
10249         (TARGET_VECTORIZE_FINISH_COST): Likewise.
10250         (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
10251         (rs6000_init_cost): New function.
10252         (rs6000_add_stmt_cost): Likewise.
10253         (rs6000_finish_cost): Likewise.
10254         (rs6000_destroy_cost_data): Likewise.
10255         * tree-vect-slp.c (vect_free_slp_instance): Free stmt_cost_vec.
10256         (vect_create_new_slp_node): Don't set SLP_TREE_INSIDE_OF_LOOP_COST.
10257         (vect_get_and_check_slp_defs): Add stmt_cost_vec parameter; add
10258         stmt_cost_vec parameter to vect_model_store_cost and
10259         vect_model_simple_cost calls.
10260         (vect_build_slp_tree): Remove inside_cost parameter; add stmt_cost_vec
10261         parameter; add stmt_cost_vec parameter to vect_get_and_check_slp_defs,
10262         vect_model_load_cost, and recursive vect_build_slp_tree calls; prevent
10263         calculating cost more than once for loads; remove inside_cost
10264         parameter from recursive vect_build_slp_tree calls; call
10265         record_stmt_cost instead of old calculation.
10266         (vect_analyze_slp_instance): Allocate stmt_cost_vec and save it with
10267         the instance; free it on premature exit; remove inside_cost parameter
10268         from vect_build_slp_tree call; add stmt_cost_vec parameter to
10269         vect_build_slp_tree call; don't set SLP_INSTANCE_INSIDE_OF_LOOP_COST.
10270         (new_bb_vec_info): Call init_cost.
10271         (destroy_bb_vec_info): Call destroy_cost_data.
10272         (vect_bb_vectorization_profitable_p): Call add_stmt_cost for each
10273         statement recorded with an SLP instance; call finish_cost instead of
10274         the old calculation.
10275         (vect_update_slp_costs_according_to_vf): Record statement costs from
10276         SLP instances, multiplying by the appropriate number of copies; don't
10277         update SLP_INSTANCE_INSIDE_OF_LOOP_COST.
10278
10279 2012-07-13  Richard Guenther  <rguenther@suse.de>
10280
10281         PR middle-end/53937
10282         * builtins.c (get_pointer_alignment_1): Handle constant
10283         pointers.
10284
10285 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
10286             Steven Bosscher  <steven@gcc.gnu.org>
10287             Bernd Schmidt  <bernds@codesourcery.com>
10288
10289         PR rtl-optimization/53908
10290         * df-problems.c (can_move_insns_across): When doing
10291         memory-reference book-keeping, handle call insns.
10292
10293 2012-07-13  Richard Guenther  <rguenther@suse.de>
10294
10295         * gimple.c (gimple_types_compatible_p_1): Remove redundant
10296         type attribute comparisons.
10297         (gimple_canonical_types_compatible_p): Likewise.
10298
10299 2012-07-12  Hans-Peter Nilsson  <hp@axis.com>
10300
10301         PR rtl-optimization/53176
10302         * rtlanal.c (rtx_cost): Adjust default cost for X with a
10303         UNITS_PER_WORD factor for all X according to the size of
10304         its mode, not just for SUBREGs with untieable modes.
10305         Handle SET.  Use factor * factor for MULT, DIV, UDIV,
10306         MOD, UMOD.
10307
10308 2012-07-12  Uros Bizjak  <ubizjak@gmail.com>
10309
10310         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
10311         QImode and HImode splitters.  Use ix86_comparison_operator.
10312         Explicitly match FLAGS_REG.
10313         (DFmode cmove splitter): Explicitly match FLAGS_REG.
10314
10315 2012-07-11  Steven Bosscher  <steven@gcc.gnu.org>
10316
10317         * expr.h (can_move_by_pieces): Move prototype from here ...
10318         * tree.h (can_move_by_pieces): ... to here.
10319         * optabs.h (set_widening_optab_handler): Use XCNEW.
10320         * gimplify.c: Do not include expr.h.
10321
10322         * toplev.c: Do not include dwarf2out.h.
10323         * config/ia64/ia64.c: Likewise.
10324         * config/sparc/sparc.c: Likewise.
10325         * config/sparc/t-sparc (sparc.o): Fix dependencies.
10326
10327         * Makefile.in (toplev.o): Fix dependencies
10328         (c-family/c-gimplify.o): Likewise.
10329         (c-family/c-common.o): Likewise.
10330
10331 2012-07-11  Steven Bosscher  <steven@gcc.gnu.org>
10332
10333         * basic-block.h (struct edge_def): Use basic_block instead of
10334         basic_block_def *.
10335         * cfgloop.h (struct loop_exit, struct loop): Likewise.
10336         * gengenrtl.c (type_from_format): Likewise.  Also for 'tree'
10337         instead of union tree_node *.
10338         * rtl.h (union rtunion_def, emit_insn_before_noloc,
10339         emit_insn_after_noloc, add_insn_before, add_insn_after,
10340         debug_bb_slim): Likewise.
10341         * tree-inline.h (struct copy_body_data): Likewise.
10342         * sched-rgn.c (dump_region_dot): Likewise.
10343         * gimple.h (struct gimple_statement_base, gimple_set_bb,
10344         gsi_move_to_bb_end): Likewise.
10345         * sched-vis.c (debug_bb_slim): Likewise.
10346         (debug_bb_n_slim): Likewise.
10347         * config/mn10300/mn10300.c (mn10300_insert_setlb_lcc): Likewise.
10348         (mn10300_block_contains_call):
10349
10350 2012-07-11  Greta Yorsh  <Greta.Yorsh@arm.com>
10351
10352         PR target/53859
10353         * config/arm/arm.c (arm_early_load_addr_dep): Handle new
10354         epilogue patterns.
10355
10356 2012-07-11  Jonathan Wakely  <jwakely.gcc@gmail.com>
10357
10358         * doc/extend.texi (Namespace Association): Alter cautionary text.
10359
10360 2012-07-10  Oleg Endo  <olegendo@gcc.gnu.org>
10361
10362         PR target/53911
10363         * config/sh/sh.md: Remove displacement addresssing related splits.
10364
10365 2012-07-10  Xinliang David Li  <davidxl@google.com>
10366
10367         * doc/invoke.texi: New option documented.
10368         * flag-types.h: New enum type.
10369         * gimplify.c (gimplify_bind_expr): Control
10370         clobber generation with new option.
10371         (gimplify_target_expr): Ditto.
10372         * common.opt: New option.
10373
10374 2012-07-10  Julian Brown  <julian@codesourcery.com>
10375
10376         * config/arm/arm.md (movsi): Don't split symbol refs here.
10377         (define_split): New.
10378
10379 2012-07-10  Andreas Schwab  <schwab@linux-m68k.org>
10380
10381         PR bootstrap/53913
10382         * config/m68k/m68k.c (m68k_epilogue_uses): New.
10383         * config/m68k/m68k.h (EPILOGUE_USES): Use it.
10384         * config/m68k/m68k-protos.h (m68k_epilogue_uses): Add prototype.
10385
10386 2012-07-10  Richard Henderson  <rth@redhat.com>
10387
10388         * target.def (builtin_mul_widen_even, builtin_mul_widen_odd): Remove.
10389         * system.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Poison.
10390         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Poison.
10391         * config/i386/i386.c (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI): Remove.
10392         (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V8SI): Remove.
10393         (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V4SI): Remove.
10394         (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V8SI): Remove.
10395         (IX86_BUILTIN_VEC_WIDEN_SMUL_EVEN_V4SI): Remove.
10396         (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V4SI): Remove.
10397         (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V8SI): Remove.
10398         (bdesc_args): Remove entries to match.
10399         (ix86_builtin_mul_widen_even, ix86_builtin_mul_widen_odd): Remove.
10400         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Remove.
10401         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Remove.
10402         * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): Remove.
10403         (rs6000_builtin_mul_widen_odd): Remove.
10404         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Remove.
10405         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Remove.
10406         * config/spu/spu.c (spu_builtin_mul_widen_even): Remove.
10407         (spu_builtin_mul_widen_odd): Remove.
10408         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Remove.
10409         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Remove.
10410         * doc/tm.texi.in: Don't document the removed hooks.
10411
10412         * tree-vect-stmts.c (supportable_widening_operation): Expand
10413         WIDEN_MULT_EXPR via VEC_WIDEN_MULT_EVEN/ODD_EXPR if possible.
10414
10415         * expmed.c (expmed_mult_highpart): Rename from expand_mult_highpart.
10416         (expmed_mult_highpart_optab): Rename from expand_mult_highpart_optab.
10417         * optabs.c (can_mult_highpart_p): New.
10418         (expand_mult_highpart): New.
10419         * expr.c (expand_expr_real_2) [MULT_HIGHPART_EXPR): Use it.
10420         * tree-vect-generic.c (expand_vector_operations_1): Don't expand
10421         by pieces if can_mult_highpart_p.
10422         (expand_vector_divmod): Use can_mult_highpart_p and always
10423         generate MULT_HIGHPART_EXPR.
10424         * tree-vect-patterns.c (vect_recog_divmod_pattern): Likewise.
10425         * tree-vect-stmts.c (vectorizable_operation): Likewise.
10426
10427         * config/spu/spu-builtins.md (spu_mpy): Move to spu.md.
10428         (spu_mpyu, spu_mpyhhu, spu_mpyhh): Likewise.
10429         * config/spu/spu.md (vec_widen_smult_odd_v8hi): Rename from spu_mpy.
10430         (vec_widen_umult_odd_v8hi): Rename from spu_mpyu.
10431         (vec_widen_smult_even_v8hi): Rename from spu_mpyhh.
10432         (vec_widen_umult_even_v8hi): Rename from spu_mpyhhu.
10433         * config/spu/spu-builtins.def: Update pattern names to match.
10434
10435         * config/rs6000/altivec.md (vec_widen_umult_even_v16qi): Rename
10436         from altivec_vmuleub.
10437         (vec_widen_smult_even_v16qi): Rename from altivec_vmulesb.
10438         (vec_widen_umult_even_v8hi): Rename from altivec_vmuleuh.
10439         (vec_widen_smult_even_v8hi): Rename from altivec_vmulesh.
10440         (vec_widen_umult_odd_v16qi): Rename from altivec_vmuloub.
10441         (vec_widen_smult_odd_v16qi): Rename from altivec_vmulosb.
10442         (vec_widen_umult_odd_v8hi): Rename from altivec_vmulouh.
10443         (vec_widen_smult_odd_v8hi): Rename from altivec_vmulosh.
10444         * config/rs6000/rs6000-builtin.def: Update pattern names to match.
10445
10446         * config/i386/sse.md (vec_widen_umult_even_v8si): Rename from
10447         avx2_umulv4siv4di3.
10448         (vec_widen_umult_even_v4si): Rename from sse2_umulv2siv2di3.
10449         (vec_widen_smult_even_v8si): Rename from avx2_mulv4siv4di3.
10450         (mulv4si3): Remove XOP test shadowed by SSE4 test.
10451         * config/i386/i386.c (bdesc_args): Update pattern names.
10452         (ix86_expand_sse2_mulvxdi3): Likewise.
10453         (ix86_expand_mul_widen_evenodd): Likewise.  Remove XOP test
10454         shadowed by SSE4 test.
10455
10456         * tree.def (VEC_WIDEN_MULT_EVEN_EXPR, VEC_WIDEN_MULT_ODD_EXPR): New.
10457         * cfgexpand.c (expand_debug_expr): Handle them.
10458         * expr.c (expand_expr_real_2): Likewise.
10459         * fold-const.c (fold_binary_loc): Likewise.
10460         * gimple-pretty-print.c (dump_binary_rhs): Likewise.
10461         * optabs.c (optab_for_tree_code): Likewise.
10462         * tree-cfg.c (verify_gimple_assign_binary): Likewise.
10463         * tree-inline.c (estimate_operator_cost): Likewise.
10464         * tree-pretty-print.c (dump_generic_node): Likewise.
10465         * tree.c (commutative_tree_code): Likewise.
10466         * tree-vect-generic.c (expand_vector_operations_1): Likewise.
10467         Handle type change before looking up optab.
10468         * optabs.h (OTI_vec_widen_umult_even, OTI_vec_widen_umult_odd): New.
10469         (OTI_vec_widen_smult_even, OTI_vec_widen_smult_odd): New.
10470         (vec_widen_umult_even_optab, vec_widen_umult_odd_optab): New.
10471         (vec_widen_smult_even_optab, vec_widen_smult_odd_optab): New.
10472         * genopinit.c (optabs): Initialize them.
10473         * doc/md.texi: Document them.
10474
10475 2012-07-10  Dehao Chen  <dehao@google.com>
10476
10477         * tree.h (phi_arg_d): New field.
10478         * tree-flow-inline.h (gimple_phi_arg_block): New function.
10479         (gimple_phi_arg_block_from_edge): New function.
10480         (gimple_phi_arg_set_block): New function.
10481         (gimple_phi_arg_has_block): New function.
10482         (redirect_edge_var_map_block): New function.
10483         * tree-flow.h (_edge_var_map): New field.
10484         * tree-ssa-live.c (remove_unused_locals): Mark phi_arg's block as used.
10485         * tree-eh.c (cleanup_empty_eh_merge_phis): Add block debug info for
10486         redirect_edge_var_map_add.
10487         * tree-outof-ssa.c (_elim_graph): New field.
10488         (insert_partition_copy_on_edge): New parameter.
10489         (insert_value_copy_on_edge): New parameter.
10490         (insert_rtx_to_part_on_edge): New parameter.
10491         (insert_part_to_rtx_on_edge): New parameter.
10492         (elim_graph_add_edge): New parameter.
10493         (elim_graph_remove_succ_edge): New parameter.
10494         (FOR_EACH_ELIM_GRAPH_SUCC): New parameter.
10495         (FOR_EACH_ELIM_GRAPH_PRED): New parameter.
10496         (new_elim_graph): Add block debug info.
10497         (clear_elim_graph): Likewise.
10498         (delete_elim_graph): Likewise.
10499         (elim_graph_add_node): Likewise.
10500         (elim_graph_add_edge): Likewise.
10501         (elim_graph_remove_succ_edge): Likewise.
10502         (eliminate_build): Likewise.
10503         (elim_forward): Likewise.
10504         (elim_unvisited_predecessor): Likewise.
10505         (elim_backward): Likewise.
10506         (elim_create): Likewise.
10507         (eliminate_phi): Likewise.
10508         (insert_backedge_copies): Likewise.
10509         * tree-into-ssa.c (insert_phi_nodes_for): Add block debug info for
10510         add_phi_arg.
10511         (rewrite_add_phi_arguments): Likewise.
10512         * tree-ssa-loop-im.c (execute_sm_if_changed): Likewise.
10513         * tree-ssa-tail-merge.c (replace_block_by): Likewise.
10514         * tree-ssa-threadupdate.c (copy_phi_args): Likewise.
10515         * tree-loop-distribution.c (update_phis_for_loop_copy): Likewise.
10516         * tree-ssa-loop-manip.c (create_iv): Likewise.
10517         (add_exit_phis_edge): Likewise.
10518         (split_loop_exit_edge): Likewise.
10519         (copy_phi_node_args): Likewise.
10520         (tree_transform_and_unroll_loop): Likewise.
10521         * value-prof.c (gimple_ic): Likewise.
10522         (gimple_stringop_fixed_value): Likewise.
10523         * tree-tailcall.c (add_successor_phi_arg): Likewise.
10524         (eliminate_tail_call): Likewise.
10525         (create_tailcall_accumulator): Likewise.
10526         (tree_optimize_tail_calls_1): Likewise.
10527         * tree-phinodes.c (add_phi_arg): Likewise.
10528         (make_phi_node): Likewise.
10529         (resize_phi_node): Likewise.
10530         (remove_phi_arg_num): Likewise.
10531         * omp-low.c (expand_parallel_call): Likewise.
10532         (expand_omp_for_static_chunk): Likewise.
10533         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop):
10534         Likewise.
10535         (slpeel_update_phi_nodes_for_guard1): Likewise.
10536         (slpeel_update_phi_nodes_for_guard2): Likewise.
10537         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
10538         (set_prologue_iterations): Likewise.
10539         (slpeel_tree_peel_loop_to_edge): Likewise.
10540         (vect_loop_versioning): Likewise.
10541         * tree-parloops.c (create_phi_for_local_result): Likewise.
10542         (transform_to_exit_first_loop): Likewise.
10543         (create_parallel_loop): Likewise.
10544         * ipa-split.c (split_function): Likewise.
10545         * tree-vect-loop.c (get_initial_def_for_induction): Likewise.
10546         (vect_create_epilog_for_reduction): Likewise.
10547         * tree-vect-data-refs.c (vect_setup_realignment): Likewise.
10548         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Likewise.
10549         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
10550         (cond_if_else_store_replacement_1): Likewise.
10551         * tree-cfgcleanup.c (remove_forwarder_block): Likewise.
10552         (remove_forwarder_block_with_phi): Likewise.
10553         * tree-ssa-pre.c (insert_into_preds_of_block): Likewise.
10554         * tree-predcom.c (initialize_root_vars): Likewise.
10555         (initialize_root_vars_lm): Likewise.
10556         * sese.c (sese_add_exit_phis_edge): Likewise.
10557         * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
10558         * tree-ssa.c (flush_pending_stmts): Likewise.
10559         (redirect_edge_var_map_add): Likewise.
10560         (ssa_redirect_edge): Likewise.
10561         * gimple-streamer-in.c (input_phi): Likewise.
10562         * tree-vect-stmts.c (vectorizable_load): Likewise.
10563         * tree-inline.c (copy_phis_for_bb): Likewise.
10564         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
10565         * tree-switch-conversion.c (fix_phi_nodes): Likewise.
10566         * tree-cfg.c (reinstall_phi_args): Likewise.
10567         (gimple_make_forwarder_block): Likewise.
10568         (add_phi_args_after_copy_edge): Likewise.
10569         (gimple_duplicate_sese_tail): Likewise.
10570
10571 2012-07-09  Oleg Endo  <olegendo@gcc.gnu.org>
10572
10573         PR target/53886
10574         * config/sh/sh.c (sequence_insn_p): New function.
10575         (find_barrier, sh_insn_length_adjustment): Use it.
10576
10577 2012-07-09  Iain Sandoe  <iain@codesourcery.com>
10578
10579         PR target/53283
10580         * config/i386/i386.c (ix86_fold_builtin): Call SUBTARGET_FOLD_BUILTIN
10581         if defined.
10582         * config/darwin.h: Rename TARGET_FOLD_BUILTIN to
10583         SUBTARGET_FOLD_BUILTIN.
10584         * config/rs6000/darwin.h: Map TARGET_FOLD_BUILTIN onto
10585         SUBTARGET_FOLD_BUILTIN.
10586
10587 2012-07-09  Iain Sandoe  <iain@codesourcery.com>
10588
10589         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Move NeXT
10590         runtime exceptions model setting from here ...
10591         * config/darwin.c (darwin_override_options): ... to here.
10592
10593 2012-07-09  Steven Bosscher  <steven@gcc.gnu.org>
10594
10595         PR tree-optimization/53887
10596         * tree-cfg.c (group_case_labels_stmt): Make non-static.
10597         * tree-flow.h (group_case_labels_stmt): Add prototype.
10598         * tree-switch-conversion.c (process_switch): Use group_case_labels_stmt
10599         to pre-process every switch.
10600
10601 2012-07-09  Jason Merrill  <jason@redhat.com>
10602
10603         PR c++/53882
10604         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
10605         (type_hash_eq): Likewise.
10606
10607 2012-07-09  Tom de Vries  <tom@codesourcery.com>
10608             Richard Guenther  <rguenther@suse.de>
10609
10610         * tree-ssa-ccp.c (optimize_unreachable): New function.
10611         (execute_fold_all_builtins): Use optimize_unreachable to optimize
10612         BUILT_IN_UNREACHABLE.  Don't optimize after BUILT_IN_UNREACHABLE.
10613
10614 2012-07-09  Richard Guenther  <rguenther@suse.de>
10615
10616         PR bootstrap/53898
10617         * graphite-optimize-isl.c: Make sure CU is not empty.
10618
10619 2012-07-09  Steven Bosscher  <steven@gcc.gnu.org>
10620
10621         * gensupport.c (init_rtx_reader_args_cb): Start counting code
10622         generating patterns from 1 to free up 0 for CODE_FOR_nothing.
10623         * gencodes.c (main): Give CODE_FOR_nothing the value 0.  Add
10624         the LAST_INSN_CODE marker at the end.
10625         * genoutput.c (nothing): New static struct data.
10626         (idata): Initialize to &nothing.
10627         (idata_end): Initialize to &nothing.next.
10628         (init_insn_for_nothing): New function to create dummy 'nothing' insn.
10629         (main): Use it.
10630         * genpeep.c (insn_code_number): Remove global variable.
10631         (gen_peephole): Take it as an argument instead.
10632         (main): Take insn_code_number from read_md_rtx.
10633         * optabs.h: Revert r161809:
10634         (optab_handlers): Change type of insn_code back to insn_code.
10635         (optab_handler, widening_optab_handler, set_optab_handler,
10636         set_widening_optab_handler, convert_optab_handler,
10637         set_convert_optab_handler, direct_optab_handler,
10638         set_direct_optab_handler): Remove int casts.
10639         Revert to treating the insn_code field as "insn_code".
10640
10641 2012-07-08  Oleg Endo  <olegendo@gcc.gnu.org>
10642
10643         * config/sh/sh.md (*return_i): Move trap_exit attribute check to ...
10644         * config/sh/sh.c (sh_cfun_trap_exit_p): ... this new function.
10645         * config/sh/sh-protos.h: Declare it.
10646
10647 2012-07-08  Steven Bosscher  <steven@gcc.gnu.org>
10648
10649         * mcf.c: Do not include tm.h, tree.h, and langhooks.h.
10650         (dump_fixup_graph): Use current_function_name.
10651         (adjust_cfg_counts): Likewise.
10652         * ira-conflicts.c: Do not include tree.h.
10653         (ira_build_conflicts): Use REG_USERVAR_P instead of DECL_ARTIFICIAL.
10654
10655 2012-07-08  Oleg Endo  <olegendo@gcc.gnu.org>
10656
10657         PR target/51244
10658         * config/sh/sh.md (*branch_true_eq, *branch_false_ne, nott): New insns.
10659
10660 2012-07-08  Steven Bosscher  <steven@gcc.gnu.org>
10661
10662         * basic-block.h: Re-group most prototypes per file.
10663         (struct edge_list): Remove num_blocks field.
10664         (dump_bb_info): Adjust prototypes.
10665         (dump_reg_info): Move prototype to regs.h.
10666         * function.h: Do not include tree.h.
10667         Include vec.h, vecir.h, input.h and machmode.h to compensate.
10668         (function_name): New prototype.
10669         * gimple.h: Include tree.h to compensate for basic-block.h change.
10670         * langhooks.h: Note that tree.h is only necessary for enum tree_code.
10671         * regs.h (dump_reg_info): Prototype here.
10672         * regset.h: Adjust file reference in comment.
10673         (debug_regset): Remove prototype.
10674         * rtl.h: Include flags.h for flag_var_tracking_assignments.
10675         (MAY_HAVE_DEBUG_INSNS): Define as flag_var_tracking_assignments
10676         instead of no-longer-available tree.h's MAY_HAVE_DEBUG_STMTS.
10677         (dump_reg_info, dump_flow_info): Remove prototypes.
10678         * bb-reorder.c (set_edge_can_fallthru_flag): Move from cfganal.c
10679         to here, the only user.  Make static.
10680         (reorder_basic_blocks): Call dump_reg_info before dump_flow_info.
10681         * cfg.c: Do not include tm.h, tree.h, rtl.h, hard-reg-set.h, regs.h,
10682         flags.h, function.h, except.h, diagnostic-core.h, tm_p.h, timevar.h,
10683         tree-pass.h, cfgloop.h, and tree-flow.h.
10684         Include basic-block.h, the first header I'd expect to be included.
10685         (reg_obstack): Move to df-core.c.
10686         (free_edge): Remove bogus ATTRIBUTE_UNUSED.
10687         (remove_edge_raw): Do not call tree-ssa's redirect_edge_var_map_clear.
10688         (redirect_edge_succ_nodup): Move to cfghooks.c.
10689         (dump_regset, debug_regset): Move to df-core.c.
10690         (dump_bb_info): Move to cfgrtl.c.
10691         (dump_reg_info): Move to regstat.c.
10692         (dump_flow_info): Move to cfgrtl.c.
10693         (debug_flow_info): Likewise.
10694         (dump_edge_info): Do not look at cfun, a CFG without cfun is nonsense.
10695         * cfganal.c: Do not include tm.h, rtl.h, obstack.h, hard-reg-set.h,
10696         insn-config.h, recog.h, diagnostic-core.h, tm_p.h, and cfgloop.h.
10697         (flow_active_insn_p, forwarder_block_p, can_fallthru,
10698         could_fall_through): Move to cfgrtl.c.
10699         (set_edge_can_fallthru_flag): Moved to bb-reorder.c.
10700         (create_edge_list): Do not set edge_list's removed num_blocks.
10701         (print_edge_list): Look at n_basic_blocks instead of num_blocks.
10702         (flow_nodes_print): Remove.
10703         (flow_edge_list_print): Remove.
10704         (inverted_post_order_compute): Use FOR_ALL_BB.
10705         * cfgrtl.c (dump_flow_info): Moved from cfg.c.
10706         Do not call dump_reg_info.
10707         (debug_flow_info): Moved from cfg.c
10708         (dump_bb_info): Moved from cfg.c.  Take 'verbose' argument
10709         to avoid looking at TDF_* flags from tree-pass.h.
10710         (flow_active_insn_p, forwarder_block_p, can_fallthru,
10711         could_fall_through): Moved from cfganal.c.
10712         (print_rtl_with_bb): Adjust dump_bb_info calls.
10713         * cfghooks.c (redirect_edge_succ_nodup): Moved from cfg.c.
10714         (remove_edge): Call redirect_edge_var_map_clear if IR_GIMPLE.
10715         (cfgcleanup.c): Look at MAY_HAVE_DEBUG_INSNS, not MAY_HAVE_DEBUG_STMTS.
10716         * cselib.c: Include tree.h with a FIXME.
10717         * df-core.c (reg_obstack): Moved from cfg.c.
10718         (dump_regset): Likewise.
10719         (debug_regset): Likewise.  Make a DEBUG_FUNCTION.
10720         * final.c (compute_alignments): Call dump_reg_info before
10721         dump_flow_info.
10722         * function.c (function_name): New function.
10723         (current_function_name): Use it.
10724         * ifcvt.c (rest_of_handle_if_conversion): Call dump_reg_info before
10725         dump_flow_info.
10726         * ira-conflicts.c: Include tree.h with a note.
10727         * regstat.c (dump_reg_info): Moved here from cfg.c.
10728         * loop-init.c: Include regs.h instead of hard-reg-set.h.
10729         (rtl_loop_init): Call dump_reg_info before dump_flow_info.
10730         (rtl_loop_done): Likewise.
10731         * mcf.c: Include tree.h before langhooks.h.
10732         * predict.c (maybe_hot_count_p): Assert we have cfun.
10733         (probably_never_executed_bb_p): Likewise.
10734         * profile.c (compute_branch_probabilities): Use gimple_dump_cfg
10735         instead of dump_flow_info.
10736         * sched-deps.c: Include tree.h with a FIXME.
10737         (call_may_noreturn_p): Add FIXME note why this function has to
10738         look at function decls instead of function decl flags.
10739         * sched-vis.c: Include tree.h with a FIXME.
10740         (print_rtl_slim): Adjust dump_bb_info uses.
10741         * statistics.c (statistics_fini_pass_2): Use current_function_name
10742         to avoid including tree.h.
10743         (statistics_counter_event): Use function_name for the same reason.
10744         (statistics_histogram_event): Likewise.
10745         * tracer.c (tracer): Remove bogus gcc_assert.  Use brief_dump_cfg
10746         instead of dump_flow_info.
10747         * var-tracking.c (variable_tracking_main_1): Call dump_reg_info
10748         before dump_flow_info.
10749         * doc/cfg.texi: Update CFG documentation.
10750         * Makefile.in (RTL_H): Depend on FLAGS_H.
10751         (GIMPLE_H): Depend on TREE_H.
10752         (FUNCTION_H): Depend on VEC_H, vecir.h, INPUT_H and MACHMODE_H,
10753         but no longer on TREE_H.
10754         (C_COMMON_H): Depend on TREE_H.
10755         (cselib.o, cse.o, cfganal.o, loop-init.o, ira-conflicts.o,
10756         sched-deps.o, sched-vis.o): Fixup dependencies.
10757
10758 2012-07-08  Steven Bosscher  <steven@gcc.gnu.org>
10759
10760         * alias.h: Do not include coretypes.h in header files.
10761         * cppbuiltin.h: Likewise.
10762         * double-int.h: Likewise.
10763         * gimple-fold.h: Likewise.
10764         * flags.h: Likewise.
10765         * tree-ssa-alias.h: Likewise.
10766         * gengtype.h (obstack_chunk_alloc, obstack_chunk_free,
10767         OBSTACK_CHUNK_SIZE): Define here to avoid dependency on coretypes.h.
10768         * Makefile.in (RTL_BASE_H): Depend on coretypes.h.
10769         (TREE_H): Likewise.
10770         (ALIAS_H): Do not depend on coretypes.h.
10771         (FLAGS_H): Likewise.
10772         (realmpfr.o): Depend on coretypes.h.
10773
10774 2012-07-08  Steven Bosscher  <steven@gcc.gnu.org>
10775
10776         * Makefile.in (gengtype-lex.o, gengtype-parse.o, gengtype-state.o,
10777         gengtype.o): Add -DGENERATOR_FILE manually for host gengtype objects.
10778
10779 2012-07-07  Richard Earnshaw  <rearnsha@arm.com>
10780
10781         * arm.h (TARGET_CPU_CPP_BUILTINS): Remove Maverick support.
10782         (TARGET_FPA): Delete definition.
10783         (TARGET_MAVERICK): Likewise.
10784         (TARGET_FPA_EMU2): Likewise.
10785         (arm_fp_model): Remove FPA and Maverick models.
10786         (arm_arch_cirrus): Delete declaration.
10787         (FLOAT_WORDS_BIG_ENDIAN): Delete definition.
10788         (FIXED_REGISTERS): Remove FPA and Maverick support.  Reorganize.
10789         (CALL_USED_REGISTERS): Likewise.
10790         (FIRST_FPA_REGNUM, LAST_FPA_REGNUM): Delete definition.
10791         (FIRST_VFP_REGNUM): Renumbered.
10792         (D7_VFP_REGNUM): Chain definition.
10793         (LAST_LO_VFP_REGNUM): Likewise.
10794         (FIRST_HI_VFP_REGNUM): Likewise.
10795         (LAST_HI_VFP_REGNUM): Likewise.
10796         (FIRST_IWMMXT_GR_REGNUM): Likewise.
10797         (LAST_IWMMXT_GR_REGNUM): Likewise.
10798         (FIRST_IWMMXT_REGNUM): Likewise.
10799         (LAST_IWMMXT_REGNUM): Likewise.
10800         (FRAME_POINTER_REGNUM): Renumbered.
10801         (ARG_POINTER_REGNUM): Renumbered.
10802         (FIRST_PSEUDO_REGISTER): Remove FPA and Maverick registers.
10803         (FIRST_CIRRUS_FP_REGNUM, LAST_CIRRUS_FP_REGNUM): Delete definitions.
10804         (HARD_REGNO_REGNUM): Remove FPA support.
10805         (REG_ALLOC_ORDER): Remove FPA and Maverick registers.  Reorganize.
10806         (reg_class): Likewise.
10807         (REG_CLASS_NAMES): Likewise.
10808         (REG_CLASS_CONTENTS): Likewise.
10809         (CANNOT_CHANGE_MODE_CLASS): Never true.  Update comment.
10810         (SECONDARY_INPUT_RELOAD_CLASS): Remove Maverick support.
10811         (CLASS_MAX_NREGS): Remove FPA and Maverick support.
10812         * aout.h (REGISTER_NAMES): Remove FPA and Maverick registers.
10813         Reorganize.  Use AAPCS preferred names.
10814         (ADDITIONAL_REGISTER_NAMES): Remove aliases for Maverick.  Update
10815         comments.
10816         (OVERLAPPING_REGISTER_NAMES): Update register numbering.
10817         * arm.c (FL_CIRRUS): Delete definition.
10818         (arm_arch_cirrus): Delete variable.
10819         (arm_float_words_big_endian): Delete function.
10820         (cirrus_memory_offset): Delete function.
10821         (output_mov_long_double_fpa_from_arm): Delete function.
10822         (output_mov_long_double_arm_from_fpa): Delete function.
10823         (output_mov_double_fpa_from_arm): Delete function.
10824         (output_mov_double_arm_from_fpa): Delete function.
10825         (emit_sfm): Delete function.
10826         (maybe_get_arm_condition_code): Update comment.
10827         (arm_file_start): Always use softvfp for softfloat systems.
10828         (thumb_core_reg_alloc_order): Adjust for updated register allocation.
10829         (arm_option_override): Remove FPA and Maverick support.  Always
10830         default to vfp as the fallback FPU format.
10831         (use_return_insn): Remove FPA support.
10832         (arm_get_frame_offsets): Likewise.
10833         (arm_save_coproc_regs): Likewise.
10834         (arm_canonicalize_comparison): Remove Maverick support.
10835         (arm_select_cc_mode): Likewise.
10836         (arm_gen_compare_reg): Likewise.
10837         (arm_print_operand): Likewise.
10838         (arm_libcall_value_1): Remove FPA and Maverick support.
10839         (arm_function_value_regno_p): Likewise.
10840         (arm_apply_result_size): Likewise.
10841         (arm_legitimate_index_p): Likewise.
10842         (thumb2_legitimate_index_p): Likewise.
10843         (legitimize_reload_address): Likewise.
10844         (arm_register_move_cost): Likewise.
10845         (arm_hard_regno_mode_ok): Likewise.
10846         (arm_regno_class): Likewise.
10847         (arm_dbx_register_number): Likewise.
10848         (arm_emit_unwind_sequence): Likewise.
10849         (arm_conditional_register_usage): Likewise.
10850         * arm-protos.h (neg_const_double_rtx_ok_for_fpa): Remove declaration.
10851         (cirrus_memory_offset): Likewise.
10852         (output_move_long_double_fpa_from_arm): Likewise.
10853         (output_move_long_double_arm_from_fpa): Likewise.
10854         (output_move_double_fpa_from_arm): Likewise.
10855         (output_move_double_arm_from_fpa): Likewise.
10856         (arm_float_words_big_endian): Likewise.
10857         * arm.md (CC_REGNUM): Renumbered.
10858         (VFPCC_REGNUM): Moved here.  Renumbered.
10859         (FPA_F0_REGNUM, FPA_F7_REGNUM): Delete.
10860         (attr fpu): Remove FPA and Maverick support.
10861         * vfp.md (VFPCC_REGNUM): Delete.  Moved to arm.md.
10862         * arm-cores.def (ep9312): Remove Maverick support.
10863         * arm-arches.def (ep9312): Delete architecture.
10864         * arm-tables.opt: Regenerated.
10865
10866         * arm/linux-elf.h (FPUTYPE_DEFAULT): Set to vfp.
10867
10868 2012-07-07  Steven Bosscher  <steven@gcc.gnu.org>
10869
10870         PR tree-optimization/53881
10871         * tree-switch-conversion.c (emit_case_bit_tests): Do not rely on
10872         comparing labels to establish uniqueness of a switch case target,
10873         use the CFG instead.
10874
10875 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
10876
10877         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
10878         due to negative shift amount.
10879
10880 2012-07-07  Hans-Peter Nilsson  <hp@axis.com>
10881
10882         Fix configure test for "stack protector support in target C library".
10883         * configure.ac (test_prefix, test_exec_prefix): Move setting from
10884         inside sysroot handling to before and outside it.
10885         * configure: Regenerate.
10886
10887 2012-07-06  Kai Tietz  <ktietz@redhat.com>
10888
10889         PR bootstrap/52947
10890         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
10891         as "/mingw/include".
10892
10893 2012-07-06  Alexandre Oliva  <aoliva@redhat.com>
10894
10895         PR debug/53820
10896         * var-tracking.c (vt_add_function_parameter): Convert
10897         internal_arg_pointer into arg_pointer-based address even
10898         without DRAP.
10899
10900 2012-07-06  Alexandre Oilva  <aoliva@redhat.com>
10901
10902         PR rtl-optimization/53827
10903         PR debug/53671
10904         PR debug/49888
10905         * alias.c (memrefs_conflict_p): Adjust offset and size by the
10906         same amount for alignment ANDs.
10907
10908 2012-07-06  Tom de Vries  <tom@codesourcery.com>
10909
10910         PR tree-optimization/51879
10911         * tree-ssa-sccvn.c (copy_reference_ops_from_call)
10912         (visit_reference_op_call): Handle case that lhs is not an SSA_NAME.
10913         (visit_use): Also call visit_reference_op_call for calls with a vdef.
10914
10915 2012-07-06  Tom de Vries  <tom@codesourcery.com>
10916
10917         PR tree-optimization/52009
10918         * tree-ssa-tail-merge.c (gimple_equal_p): For GIMPLE_ASSIGN, compare
10919         value numbers of gimple_vdef.
10920         * tree-ssa-sccvn.h (vn_reference_insert): Add vdef parameter to
10921         prototype.
10922         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MODIFY_EXPR.
10923         (vn_reference_insert): Add and handle vdef parameter.
10924         (visit_reference_op_load): Add argument to vn_reference_insert call.
10925         (visit_reference_op_store): Find value number of vdef of store.  Insert
10926         value number of vdef of store.
10927
10928 2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
10929
10930         * config/i386/i386.md (simple lea to add peephole): Also transform
10931         RTXes where second PLUS operand matches output.
10932
10933 2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
10934
10935         * config/i386/i386.c (construct_plt_address): Make static.
10936         * config/i386/i386-protos.h (construct_plt_address): Remove.
10937
10938 2012-07-06  Nick Clifton  <nickc@redhat.com>
10939
10940         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
10941         default_encode_section_info.
10942
10943 2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
10944
10945         PR target/53853
10946         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
10947         emit PIC sequence for fnaddr symbol reference in advance.
10948
10949 2012-07-06  Eric Botcazou  <ebotcazou@adacore.com>
10950
10951         Revert
10952         2012-06-14  Eric Botcazou  <ebotcazou@adacore.com>
10953
10954         * dwarf2out.c (function_possibly_abstracted_p): New static function.
10955         (gen_subprogram_die): Use it function_possibly_abstracted_p in lieu of
10956         cgraph_function_possibly_inlined_p.
10957         (gen_inlined_subroutine_die): Return if the origin is to be ignored.
10958         (process_scope_var): Do not emit concrete instances of abstracted
10959         nested functions from here.
10960         (gen_decl_die): Emit the abstract instance if the function is possibly
10961         abstracted and not only possibly inlined.
10962         (dwarf2out_finish): Find the first non-abstract parent instance and
10963         attach concrete instances on the limbo list to it.
10964
10965 2012-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
10966             Julian Brown  <julian@codesourcery.com>
10967
10968         PR target/48941
10969         PR target/51980
10970         * config/arm/neon-gen.ml (return_by_ptr): Delete.
10971         (print_function): Handle empty strings.
10972         (return): Delete use of return_by_ptr.
10973         (mask_shape_for_shuffle): New function.
10974         (mask_elems): Likewise.
10975         (shuffle_fn): Likewise.
10976         (params): Simplify and remove use of return_by_ptr.
10977         (get_shuffle): New function.
10978         (print_variant): Update.
10979         * config/arm/neon.ml (rev_elems): New function.
10980         (permute_range): Likewise.
10981         (zip_range): Likewise.
10982         (uzip_range): Likewise.
10983         (trn_range): Likewise.
10984         (zip_elems): Likewise.
10985         (uzip_elems): Likewise.
10986         (trn_elems): Likewise.
10987         (features): New enumeration Use_shuffle. Delete ReturnPtr.
10988         (pf_su_8_16): New.
10989         (suf_32): New.
10990         (ops): Update entries for Vrev64, Vrev32, Vrev16, Vtr, Vzip, Vuzp.
10991         * config/arm/arm_neon.h: Regenerate.
10992
10993 2012-07-05  Richard Guenther  <rguenther@suse.de>
10994
10995         * tree-pretty-print.c (dump_generic_node): Properly test
10996         the result of exact_log2.
10997
10998 2012-07-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10999
11000         * config/s390/s390-protos.h (s390_expand_movmem)
11001         (s390_expand_cmpmem): Add return value.
11002         * config/s390/s390.c (s390_expand_movmem, s390_expand_cmpmem):
11003         Return FALSE to use the library function in some cases.
11004         * config/s390/s390.md (movmem, cmpmem): Evaluate return value of C
11005         helper functions.
11006
11007 2012-07-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11008
11009         * config.gcc: Enable ifunc attribute by default on s390 and s390x.
11010
11011 2012-07-05  Steven Bosscher  <steven@gcc.gnu.org>
11012
11013         * expr.c (try_casesi): Remove bogus ATTRIBUTE_UNUSED markers.
11014         * stmt.c (dump_case_nodes): New.
11015         (expand_case): Split out code generation parts into new functions.
11016         (expand_switch_as_decision_tree_p): Split out from expand_case.
11017         (emit_case_decision_tree): Likewise.
11018         (emit_case_dispatch_table): Likewise.
11019
11020 2012-07-05  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
11021
11022         * config/arm/iterators.md (SDF): New mode iterator.
11023         (V_if_elem): Add support for SF and DF modes.
11024         (V_reg): Likewise.
11025         (F_constraint): New mode iterator attribute.
11026         (F_fma_type): Likewise.
11027         config/arm/vfp.md (fma<SDF:mode>4): New pattern.
11028         (*fmsub<SDF:mode>4): Likewise.
11029         (*fmnsub<SDF:mode>4): Likewise.
11030         (*fmnadd<SDF:mode>4): Likewise.
11031
11032 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
11033
11034         * expmed.c (expand_mult): Initialize coeff and is_neg.
11035
11036 2012-07-04  Oleg Endo  <olegendo@gcc.gnu.org>
11037
11038         * config/sh/predicates.md (zero_extend_operand): New predicate.
11039         * config/sh/sh.md (zero_extendhisi2): Simplify by using new
11040         zero_extend_operand predicate.
11041         (zero_extendqisi2): Likewise.
11042
11043 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
11044
11045         PR middle-end/53321
11046         * ipa.c (symtab_remove_unreachable_nodes): Partially revert r187375
11047         to not call cgraph_propagate_frequency if something was changed.
11048
11049 2012-07-04  Richard Guenther  <rguenther@suse.de>
11050
11051         PR middle-end/53433
11052         * gimple-fold.c (get_base_constructor): Do not return an
11053         error_mark_node DECL_INITIAL.
11054
11055 2012-07-04  Richard Guenther  <rguenther@suse.de>
11056
11057         PR tree-optimization/53844
11058         * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
11059         the loop virtual PHI.
11060
11061 2012-07-04  Richard Guenther  <rguenther@suse.de>
11062
11063         PR tree-optimization/53849
11064         * tree-cfg.c (move_stmt_op): Only call add_referenced_var
11065         for duplicated locals.  Use add_referenced_var_1 to avoid
11066         pushing/popping cfun.
11067
11068 2012-07-04  Kai Tietz  <ktietz@redhat.com>
11069
11070         * config/i386/winnt.c (i386_pe_reloc_rw_mask): New function.
11071         * config/i386/i386-protos.h (i386_pe_reloc_rw_mask): Add
11072         prototype.
11073         * config/i386/cygming.h (TARGET_ASM_RELOC_RW_MASK): Define
11074         as i386_pe_reloc_rw_mask.
11075
11076 2012-07-04  Richard Guenther  <rguenther@suse.de>
11077
11078         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
11079         as in free_lang_data_in_type.
11080
11081 2012-07-04  Tobias Grosser <tobias@grosser.es>
11082             Michael Matz  <matz@suse.de>
11083
11084         * Makefile.in (OBJS): Add graphite-optimize-isl.o.
11085         (graphite-optimize-isl.o): Add dependencies.
11086         * common.opt (floop-nest-optimize): New flag.
11087         * doc/invoke.texi (floop-nest-optimize): Document.
11088         * graphite-dependences.c (compute_deps): Export.
11089         * graphite-poly.h (compute_deps): Declare.
11090         * graphite-optimize-isl.c: New file.
11091         * graphite-poly.c (apply_poly_transforms): Run the loop
11092         nest optimizer.
11093         * tree-ssa-loop.c (gate_graphite_transforms): Enable graphite
11094         if -floop-nest-optimize is enabled.
11095
11096 2012-07-03  Oleg Endo  <olegendo@gcc.gnu.org>
11097
11098         * config/sh/predicates.md (logical_and_operand): New predicate.
11099         * config/sh/constraints.md (Jmb, Jmw): New constraints.
11100         * config/sh/sh.md (andsi3): Move expander above insns.  Add handling
11101         of 0xFFFF constant.  Use logical_and_operand predicate and
11102         satisfies_constraint_Jmb, satisfies_constraint_Jmw.
11103         (*andsi3_compact): Make it an insn_and_split.  Use
11104         logical_and_operand predicate.  Add Jmb,Jmw alternatives.
11105
11106 2012-07-03  Jason Merrill  <jason@redhat.com>
11107
11108         PR c++/53826
11109         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
11110
11111 2012-07-03  Nick Clifton  <nickc@redhat.com>
11112
11113         * config/mep/mep.c (mep_reorg_regmove): Use
11114         next_nonnote_non_debug_insn to advance to the next insn.  Do not
11115         expect delete_insn to return an rtx.
11116
11117 2012-07-03  Richard Guenther  <rguenther@suse.de>
11118
11119         * doc/install.texi (CLooG): Clarify how CLooG needs to be
11120         configured and that it needs to be built against ISL 0.10.
11121
11122 2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
11123
11124         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
11125         code model string in the error message.
11126
11127 2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
11128
11129         PR target/53811
11130         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
11131         sibcall_insn_operand.  Move it to a temporary register if not.
11132
11133 2012-07-03  Andreas Schwab  <schwab@linux-m68k.org>
11134
11135         PR target/28896
11136         * config/m68k/m68k.c (m68k_option_override): Reset stack_limit_rtx
11137         if !TARGET_68020.
11138
11139 2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
11140
11141         * config/i386/xmmintrin.h (_mm_sfence): Use __builtin_ia32_pause.
11142
11143 2012-07-03  Roland McGrath  <mcgrathr@google.com>
11144
11145         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): Also require that the
11146         assembler accept 'rep bsf ...', 'rep bsr ...', 'rep ret' and 'rep nop'.
11147         * configure: Regenerated.
11148         * config/i386/i386.md (simple_return_internal_long): Use %;
11149         (ctz<mode>2): Likewise.
11150         (*pause): Likewise.
11151
11152 2012-07-02  Oleg Endo  <olegendo@gcc.gnu.org>
11153
11154         PR target/51244
11155         * config/sh/predicates.md (t_reg_operand, negt_reg_operand): New
11156         predicates.
11157         * config/sh/sh-protos.h (get_t_reg_rtx): New prototype.
11158         * config/sh/sh.c (get_t_reg_rtx): New function.  Use it when invoking
11159         gen_branch_true and gen_branch_false.
11160         * config/sh/sh.md: Use get_t_reg_rtx when invoking gen_branch_true and
11161         gen_branch_false.
11162         (branch_true, branch_false): Use t_reg_operand predicate.
11163         (*branch_true, *branch_false): Delete.
11164         (movt): Use t_reg_operand predicate.
11165         (*negnegt): Use negt_reg_operand predicate and fold little and big
11166         endian variants.
11167         (*movtt): Use t_reg_operand and fold little and big endian variants.
11168         (*movt_qi): Delete.
11169
11170 2012-07-02  Steven Bosscher  <steven@gcc.gnu.org>
11171
11172         * stmt.c (emit_case_bit_tests): Remove.
11173         (expand_case): Remove expand_switch_using_bit_tests_p code.
11174         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): New.
11175         (MAX_CASE_BIT_TESTS): Moved from stmt.c to here.
11176         (lshift_cheap_p): Likewise.
11177         (expand_switch_using_bit_tests_p): Likewise.
11178         (struct case_bit_test): Likewise.
11179         (case_bit_test_cmp): Likewise.
11180         (emit_case_bit_tests): New implementation for GIMPLE.
11181         (gen_inbound_check): Do not release post-dominator info here.
11182         (process_switch): Reorder code.  Expand as bit tests if it
11183         looks like a win.
11184         (do_switchconv): Release post-dominator info here if something changed.
11185         (struct gimple_opt_pass): Verify more.
11186         * tree.h (expand_switch_using_bit_tests_p): Remove prototype.
11187
11188 2012-07-02  Martin Jambor  <mjambor@suse.cz>
11189
11190         PR middle-end/38474
11191         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
11192         dynamic type change check.
11193
11194 2012-07-02  Richard Guenther  <rguenther@suse.de>
11195             Michael Matz  <matz@suse.de>
11196             Tobias Grosser <tobias@grosser.es>
11197             Sebastian Pop <sebpop@gmail.com>
11198
11199         * Makefile.in: Remove PPL flags in favor of ISL ones.
11200         (BACKENDLIBS): Remove PPL libs.
11201         (INCLUDES): Remove PPL includes in favor of ISL ones.
11202         (graphite-clast-to-gimple.o): Remove graphite-dependences.h and
11203         graphite-cloog-compat.h dependencies.
11204         (graphite-dependences.o): Likewise.
11205         (graphite-poly.o): Likewise.
11206         * configure.ac: Declare ISL vars instead of PPL ones.
11207         * configure: Regenerated.
11208         * doc/install.texi: Replace PPL requirement documentation with ISL one.
11209         * graphite-blocking.c: Remove PPL code, add ISL equivalent.
11210         * graphite-clast-to-gimple.c: Likewise.
11211         * graphite-dependences.c: Likewise.
11212         * graphite-interchange.c: Likewise.
11213         * graphite-poly.h: Likewise.
11214         * graphite-poly.c: Likewise.
11215         * graphite-sese-to-poly.c: Likewise.
11216         * graphite.c: Likewise.
11217         * graphite-scop-detection.c: Re-arrange includes.
11218         * graphite-cloog-util.c: Remove.
11219         * graphite-cloog-util.h: Likewise.
11220         * graphite-ppl.h: Likewise.
11221         * graphite-ppl.c: Likewise.
11222         * graphite-dependences.h: Likewise.
11223
11224 2012-07-02  Richard Guenther  <rguenther@suse.de>
11225
11226         Merge from graphite branch
11227         2011-07-21  Tobias Grosser  <tobias@grosser.es>
11228
11229         * Makefile.in (graphite-clast-to-gimple.o, graphite-cloog-util.o):
11230         Remove graphite-cloog-util.h.
11231         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop,
11232         build_iv_mapping, translate_clast_user, translate_clast,
11233         free_scattering, initialize_cloog_names, build_cloog_prog,
11234         create_params_index): Do not use old compatibility functions.
11235         (clast_name_to_index, set_cloog_options): Remove code for legacy cloog.
11236         * graphite-cloog-util.c (openscop_print_cloog_matrix): Do not use old
11237         compatibility functions.
11238         (new_Cloog_Scattering_from_ppl_Polyhedron): Remove code for legacy
11239         cloog.
11240         * graphite-cloog-util.h: Remove include of graphite-cloog-util.h.
11241         * graphite.c (graphite.c): Do not call outdated cloog_initialize() and
11242         cloog_finalize().
11243         * graphite-cloog-compat.h: Remove.
11244
11245         2011-08-09  Tobias Grosser <tobias@grosser.es>
11246
11247         * graphite-clast-to-gimple.c (new_clast_name_index): Store a copy
11248         of the string, no just a reference.
11249         (clast_name_index): Add a new field, that specifies if we need to free
11250         the name.
11251         (free_clast_name_index): If necessary, free the name string.
11252         (clast_name_index_elt_info): Calculate the hash based on the string
11253         content, not the memory location it is stored in.
11254         (clast_name_to_level): Specify that we do not need to free the name.
11255         (clast_name_to_index): Dito.
11256         (clast_name_to_lb_ub): Dito.
11257         (eq_clast_name_indexes): Compare the strings, not their base pointers.
11258         (free_scattering): Removed.
11259         (initialize_cloog_names): Renamed to add_names_to_union_domain().
11260         (add_names_to_union_domain): Changed to work on a union_domain,
11261         instead of a CloogNames structure.
11262         (build_cloog_prog): Removed.
11263         (build_cloog_union_domain): New.
11264         (generate_cloog_input): New.
11265         (scop_to_clast): Use CloogInput instead of CloogProgram.
11266         (print_generated_program): Adapt to new scop_to_clast() and do not
11267         print the CloogProgram any more.
11268         (create_params_index): Removed, functionality integrated in
11269         add_names_to_union_domain().
11270         (gloog): Adapt to new scop_to_clast().
11271         * graphite-clast-to-gimple.h (scop_to_clast): Remove.
11272
11273         2012-01-11  Tobias Grosser <tobias@grosser.es>
11274
11275         * graphite-clast-to-gimple.c (clast_name_to_index,
11276         clast_name_to_lb_ub, clast_name_to_gcc): Change types.
11277         (clast_to_gcc_expression): Add clast_expr_name as a new
11278         case. Do not assume a clast_expr_term points always to a
11279         clast_expr_name.
11280         (type_for_clast_term): Do not assume a clast_expr_term points always to
11281         a clast_expr_name.
11282         (type_for_clast_name): New.
11283         (type_for_clast_expr): Add clast_expr_name as a new case.
11284
11285         2011-08-03  Sebastian Pop <sebpop@gmail.com>
11286
11287         * graphite-cloog-util.c (new_Cloog_Domain_from_ppl_Polyhedron,
11288         new_Cloog_Scattering_from_ppl_Polyhedron,
11289         new_Cloog_Domain_from_ppl_Pointset_Powerset): Remove ATTRIBUTE_UNUSED.
11290
11291 2012-07-02  Jakub Jelinek  <jakub@redhat.com>
11292
11293         PR tree-optimization/53645
11294         * tree-vect-generic.c (expand_vector_divmod): Use TYPE_MODE (type)
11295         instead of TYPE_MODE (wider_type) as can_vec_perm_p argument.
11296
11297 2012-07-01  Wei Guozhi  <carrot@google.com>
11298
11299         PR target/53447
11300         * config/arm/arm-protos.h (const_ok_for_dimode_op): New prototype.
11301         * config/arm/arm.c (const_ok_for_dimode_op): New function.
11302         * config/arm/constraints.md (Dd): New constraint.
11303         * config/arm/predicates.md (arm_adddi_operand): New predicate.
11304         * config/arm/arm.md (adddi3): Extend it to handle constants.
11305         (arm_adddi3): Likewise.
11306         (addsi3_carryin_<optab>): Extend it to handle sbc case.
11307         (addsi3_carryin_alt2_<optab>): Likewise.
11308         * config/arm/neon.md (adddi3_neon): Extend it to handle constants.
11309
11310 2012-06-30  Nathan Sidwell  <nathan@acm.org>
11311
11312         * coverage.c (bbg_file_stamp): New.
11313         (read_counts_file): Merge incoming stamp with bbg_file_stamp.
11314         (build_info): Write bbg_file_stamp.
11315         (coverage_init): Initialize bbg_file_stamp.  Read counts file
11316         before writing graph header.
11317         (coverage_finish): Don't unlink the data file if we can generate a
11318         unique file stamp.
11319         * tree.h (crc32_unsigned): Declare.
11320         * tree.c (crc32_unsigned_bits): New, broken out of ...
11321         (crc32_byte): ... here.  Use it.
11322         (crc32_unsigned): New.
11323
11324 2012-06-29  Cary Coutant  <ccoutant@google.com>
11325
11326         * dwarf2out.c (add_pubname_string): Don't check for want_pubnames.
11327         (gen_subprogram_die): Don't add pubname if want_pubnames is false.
11328         (gen_variable_die): Likewise.
11329         (gen_namespace_die): Likewise.
11330
11331 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
11332
11333         * tree-eh.c (lower_try_finally_switch): Really put the location of the
11334         last statement of the finally block onto the switch.
11335
11336 2012-06-29  H.J. Lu  <hongjiu.lu@intel.com>
11337
11338         PR target/53539
11339         * config/i386/gnu-user64.h (WCHAR_TYPE): Use "int" only for
11340         TARGET_LP64.
11341
11342 2012-06-29  Sterling Augustine  <saugustine@google.com>
11343
11344         * dwarf2out.c (add_pubname): Add comment.
11345         (add_pubtype): Fix indentation.
11346         (gen_enumeration_type_die): Likewise.
11347
11348 2012-06-29  Jakub Jelinek  <jakub@redhat.com>
11349
11350         * tree-vect-generic.c (expand_vector_divmod): For even/odd
11351         widening multiply, put even always as first argument to VEC_PERM_EXPR.
11352
11353 2012-06-29  Richard Henderson  <rth@redhat.com>
11354
11355         * tree-vect-generic.c: Include target.h.
11356         (expand_vector_divmod): Use builtin_mul_widen_even/odd if supported.
11357         * Makefile.in (tree-vect-generic.o): Update.
11358
11359 2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>
11360
11361         * configure.ac: Remove special gtfiles case for C.
11362         * configure: Regenerate.
11363         * Makefile.in: Remove C front-end hooks and build hooks that
11364         will be picked up from c/Make-lang.in now.
11365         Add tree-mudflap to C_COMMON_OBJS.
11366         * gengtype.c (files_rules): Adjust gt-files for c/c-decl.c.
11367         * config/vms/vms.c: Look for c-tree.h in c/.
11368         * doc/gty.texi: Remove reference to c-config-lang.in.
11369         * doc/sourcebuild.texi: Document the c/ subdirectory.
11370
11371 2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>
11372
11373         * system.h (CASE_USE_BIT_TESTS): Poison.
11374         * stmt.c (CASE_USE_BIT_TESTS): Fold away into its only user ...
11375         (expand_switch_using_bit_tests_p): ...here.
11376         * doc/tm.texi.in (CASE_USE_BIT_TESTS): Remove documentation.
11377         * doc/tm.texi (CASE_USE_BIT_TESTS): Regenerate.
11378
11379 2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>
11380
11381         * system.h (IFCVT_EXTRA_FIELDS): Poison.
11382         (IFCVT_INIT_EXTRA_FIELDS): Poison.
11383         * basic-block.h (struct ce_if_block): Remove IFCVT_EXTRA_FIELDS.
11384         * ifcvt.c (find_if_header): Use IFCVT_MACHDEP_INIT instead of
11385         IFCVT_INIT_EXTRA_FIELDS.
11386         * gengtype-parse.c (struct_field_seq): Remove obsolete comment.
11387         * config/frv/frv.h (IFCVT_INIT_EXTRA_FIELDS): Rename to
11388         IFCVT_MACHDEP_INIT.
11389         * config/frv/frv.c (frv_ifcvt_init_extra_fields): Rename to
11390         frv_ifcvt_machdep_init.
11391         * doc/tm.texi.in (IFCVT_INIT_EXTRA_FIELDS, IFCVT_EXTRA_FIELDS):
11392         Remove documentation.
11393         (IFCVT_MACHDEP_INIT): Document.
11394         * doc/tm.texi: Regenerate.
11395
11396 2012-06-29  Nick Clifton  <nickc@redhat.com>
11397
11398         * config/lm32/lm32.c (lm32_compute_frame_size): Fix typo.
11399
11400 2012-06-29  Jakub Jelinek  <jakub@redhat.com>
11401
11402         * tree-vect-stmts.c (vectorizable_operation): Check both
11403         VEC_WIDEN_MULT_LO_EXPR and VEC_WIDEN_MULT_HI_EXPR optabs.
11404         Verify that operand[0]'s mode is TYPE_MODE (wide_vectype).
11405
11406 2012-06-28  Richard Henderson  <rth@redhat.com>
11407
11408         * doc/generic.texi (MULT_HIGHPART_EXPR): Document it.
11409
11410 2012-06-28  Jakub Jelinek  <jakub@redhat.com>
11411
11412         PR tree-optimization/51581
11413         * tree-vect-stmts.c (permute_vec_elements): Add forward decl.
11414         (vectorizable_operation): Handle vectorization of MULT_HIGHPART_EXPR
11415         also using VEC_WIDEN_MULT_*_EXPR or builtin_mul_widen_* plus
11416         VEC_PERM_EXPR if vector MULT_HIGHPART_EXPR isn't supported.
11417         * tree-vect-patterns.c (vect_recog_divmod_pattern): Use
11418         MULT_HIGHPART_EXPR instead of VEC_WIDEN_MULT_*_EXPR and shifts.
11419
11420         PR tree-optimization/53645
11421         * tree-vect-generic.c (expand_vector_divmod): Use MULT_HIGHPART_EXPR
11422         instead of VEC_WIDEN_MULT_{HI,LO}_EXPR followed by VEC_PERM_EXPR
11423         if possible.
11424
11425 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
11426
11427         PR 53595
11428         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
11429         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
11430         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
11431         avr_hard_regno_call_part_clobbered.
11432
11433 2012-06-28  Richard Guenther  <rguenther@suse.de>
11434
11435         PR middle-end/53790
11436         * expr.c (expand_expr_real_1): Verify if the type is complete
11437         before inspecting its size.
11438
11439 2012-06-28  Andreas Schwab  <schwab@linux-m68k.org>
11440
11441         * doc/include/gpl.texi: Remove.
11442         * doc/sourcebuild.texi (Texinfo Manuals): Don't mention gpl.texi.
11443
11444 2012-06-28  Jakub Jelinek  <jakub@redhat.com>
11445
11446         PR tree-optimization/53645
11447         * tree-vect-generic.c (add_rshift): New function.
11448         (expand_vector_divmod): New function.
11449         (expand_vector_operation): Use it for vector integer
11450         TRUNC_{DIV,MOD}_EXPR by VECTOR_CST.
11451         * tree-vect-patterns.c (vect_recog_divmod_pattern): Replace
11452         unused lguup variable with dummy_int.
11453
11454 2012-06-28  OLivier Hainque  <hainque@adacore.com>
11455
11456         * expr.c (convert_move): Latch mem integer inputs into a
11457         register before expanding a multi-instructions sequence.
11458
11459 2012-06-28  Alexandre Oliva  <aoliva@redhat.com>
11460             Uros Bizjak  <ubizjak@gmail.com>
11461             Jakub Jelinek  <jakub@redhat.com>
11462
11463         PR debug/53706
11464         PR debug/47624
11465         * var-tracking.c (vt_emit_notes): Release loc_exp_dep_pool...
11466         (vt_finalize): ... here instead, if needed.
11467
11468 2012-06-28  Alexandre Oliva  <aoliva@redhat.com>
11469
11470         PR debug/53740
11471         PR debug/52983
11472         PR debug/48866
11473         * dce.c (word_dce_process_block): Check whether inserting debug
11474         temps are needed even for needed insns.
11475         (dce_process_block): Likewise.
11476         * df-problems.c (dead_debug_add): Add comment about multi-regs.
11477         (dead_debug_insert_temp): Likewise.  Don't subreg when we're
11478         setting fewer regs than a multi-reg requires.
11479
11480 2012-06-27  Richard Henderson  <rth@redhat.com>
11481
11482         * config/alpha/alpha.c (alpha_dimode_u): New.
11483         (alpha_init_builtins): Initialize it, and use it.
11484         (alpha_fold_builtin_cmpbge): Use alpha_dimode_u.
11485         (alpha_fold_builtin_zapnot, alpha_fold_builtin_insxx): Likewise.
11486         (alpha_fold_vector_minmax, alpha_fold_builtin_perr): Likewise.
11487         (alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb): Likewise.
11488         (alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw): Likewise.
11489         (alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz): Likewise.
11490         (alpha_fold_builtin_ctpop): Likewise.
11491         (alpha_fold_builtin_umulh): Remove.
11492         (alpha_fold_builtin): Use MULT_HIGHPART_EXPR for UMULH; fix
11493         typo in MAX_ARGS check.
11494
11495 2012-06-27  Richard Henderson  <rth@redhat.com>
11496
11497         * tree.def (MULT_HIGHPART_EXPR): New.
11498         * cfgexpand.c (expand_debug_expr): Ignore it.
11499         * expr.c (expand_expr_real_2): Handle it.
11500         * fold-const.c (int_const_binop_1): Likewise.
11501         * optabs.c (optab_for_tree_code): Likewise.
11502         * tree-cfg.c (verify_gimple_assign_binary): Likewise.
11503         * tree-inline.c (estimate_operator_cost): Likewise.
11504         * tree-pretty-print.c (dump_generic_node): Likewise.
11505         (op_code_prio, op_symbol_code): Likewise.
11506         * tree.c (commutative_tree_code): Likewise.  Also handle
11507         WIDEN_MULT_EXPR, VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR.
11508
11509 2012-06-27  Richard Henderson  <rth@redhat.com>
11510
11511         PR target/53749
11512         * config/i386/i386.c (ix86_rtx_costs): Fix typo vs UNITS_PER_WORD
11513         in 2012-06-23 change.  Adjust two other DImode tests as well.
11514
11515 2012-06-27  Nick Clifton  <nickc@redhat.com>
11516
11517         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
11518         input operand.
11519
11520 2012-06-27  Richard Guenther  <rguenther@suse.de>
11521
11522         PR middle-end/53676
11523         * tree-chrec.c (chrec_convert_1): Represent truncation to
11524         a type with undefined overflow as truncation to an unsigned
11525         type converted to the type with undefined overflow.
11526         * tree-scalar-evolution.c (interpret_rhs_expr): For computing
11527         the scalar evolution of a truncated widened operation avoid
11528         looking at the non-existing evolution of the widened operation
11529         result.
11530
11531 2012-06-27  Richard Guenther  <rguenther@suse.de>
11532
11533         PR tree-optimization/53774
11534         * tree-ssa-reassoc.c (get_rank): All default defs have
11535         precomputed rank.
11536         (init_reassoc): Precompute rank for all SSA default defs.
11537
11538 2012-06-27  Nick Clifton  <nickc@redhat.com>
11539
11540         * config/rx/rx.md (simple_return): Use the simple_return rtx.
11541
11542 2012-06-26  Richard Henderson  <rth@redhat.com>
11543
11544         * config/i386/i386.c (ix86_rtx_costs): Use standard_sse_constant_p
11545         and don't fall thru from standard_80387_constant_p to the memory
11546         fallback.
11547
11548 2012-06-26  Richard Henderson  <rth@redhat.com>
11549
11550         * config/i386/i386.c (bdesc_args): Update.  Change
11551         IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI to OPTION_MASK_ISA_SSE2.
11552         (IX86_BUILTIN_VEC_WIDEN_SMUL_EVEN_V4SI): New.
11553         (ix86_builtin_mul_widen_even): Use it.
11554         (ix86_builtin_mul_widen_odd): Relax SMUL_ODD from sse4 to sse2.
11555         (ix86_expand_mul_widen_evenodd): Handle signed for sse2.
11556         * config/i386/sse.md (vec_widen_<s>mult_hi_<V124_AVX2>): Allow
11557         for all SSE2.
11558         (vec_widen_<s>mult_lo_<V124_AVX2>): Likewise.
11559         (vec_widen_<s>mult_odd_<VI4_AVX2>): Likewise.  Relax from V124_AVX2.
11560         (vec_widen_smult_even_v4si): New.
11561
11562 2012-06-26  Richard Henderson  <rth@redhat.com>
11563
11564         * config/i386/sse.md (mul<VI8_AVX2>3): Change from insn_and_split
11565         to expander; move guts to ...
11566         * config/i386/i386.c (ix86_expand_sse2_mulvxdi3): ... here.  Add
11567         highparts before shifting up.
11568         * config/i386/i386-protos.h: Update.
11569
11570 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
11571
11572         * system.h (USE_COMMON_FOR_ONE_ONLY): Poison.
11573         * defaults.h (USE_COMMON_FOR_ONE_ONLY): Do not provide default.
11574         * config/darwin.h (USE_COMMON_FOR_ONE_ONLY): Do not define.
11575
11576 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
11577
11578         * var-tracking.c (vt_add_function_parameter): Use a preserved
11579         VALUE for the MEM address of an incoming parameter.
11580
11581 2012-06-26  Sterling Augustine <saugustine@google.com>
11582
11583         * dwarf2out.c (output_pubnames): Add check for DW_TAG_enumerator.
11584         (prune_unused_types): Likewise.
11585
11586 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
11587
11588         * system.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
11589         UNALIGNED_LONG_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Poison.
11590         * vmsdbgout.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
11591         UNALIGNED_LONG_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Rename to
11592         VMS_UNALIGNED_SHORT_ASM_OP, VMS_UNALIGNED_INT_ASM_OP,
11593         VMS_UNALIGNED_LONG_ASM_OP, and VMS_UNALIGNED_DOUBLE_INT_ASM_OP.
11594         * config/microblaze/microblaze.h (UNALIGNED_SHORT_ASM_OP,
11595         UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Do not define.
11596         * doc/tm.texi.in: Remove UNALIGNED_INT_ASM_OP reference from the
11597         documentation.
11598         * doc/tm.texi: Regenerate.
11599         * doc/cpp.texi: Make example for #error generic.
11600         * config/frv/frv.h: Fix example text to match tm.texi.
11601
11602 2012-06-26  Bill Schmidt  <wschmidt@linux.ibm.com>
11603
11604         * tree-pass.h (pass_strength_reduction): New decl.
11605         * tree-ssa-loop-ivopts.c (initialize_costs): Make non-static.
11606         (finalize_costs): Likewise.
11607         * timevar.def (TV_TREE_SLSR): New timevar.
11608         * gimple-ssa-strength-reduction.c: New.
11609         * tree-flow.h (initialize_costs): New decl.
11610         (finalize_costs): Likewise.
11611         * Makefile.in (tree-ssa-strength-reduction.o): New dependencies.
11612         * passes.c (init_optimization_passes): Add pass_strength_reduction.
11613
11614 2012-06-26  Matt Turner  <mattst88@gmail.com>
11615
11616         * doc/extend.texi (__builtin_arm_tinsrb): Add missing second parameter.
11617         (__builtin_arm_tinsrh): Likewise.
11618         (__builtin_arm_tinsrw): Likewise.
11619         (__builtin_arm_wsadb): Add missing v2si parameter.
11620         (__builtin_arm_wsadh): Likewise.
11621         (__builtin_arm_getwcx): Delete.
11622         (__builtin_arm_setwcx): Delete.
11623         (__builtin_arm_getwcgr0): Add.
11624         (__builtin_arm_getwcgr1): Add.
11625         (__builtin_arm_getwcgr2): Add.
11626         (__builtin_arm_getwcgr3): Add.
11627         (__builtin_arm_setwcgr0): Add.
11628         (__builtin_arm_setwcgr1): Add.
11629         (__builtin_arm_setwcgr2): Add.
11630         (__builtin_arm_setwcgr3): Add.
11631
11632 2012-06-26  Richard Guenther  <rguenther@suse.de>
11633
11634         Revert
11635         2012-06-21  Richard Guenther  <rguenther@suse.de>
11636
11637         * tree-inline.c (estimate_num_insns): Estimate call cost for
11638         tailcalls properly.
11639
11640 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
11641
11642         PR other/33190
11643         * doc/tm.texi.in: Document LOGICAL_OP_NON_SHORT_CIRCUIT.
11644         * doc/tm.texi: Regenerate.
11645
11646 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
11647
11648         PR other/33190
11649         * config/mips/mips.h: Do not define ALL_COP_ADDITIONAL_REGISTER_NAMES.
11650         * config/frv/frv.h: Do not define REVERSE_CONDEXEC_PREDICATES_P.
11651         * doc/tm.texi.in: Remove documentation for unused target macros
11652         ALL_COP_ADDITIONAL_REGISTER_NAMES, DBX_OUTPUT_LBRAC, DBX_OUTPUT_NFUN,
11653         DBX_OUTPUT_RBRAC, RANGE_TEST_NON_SHORT_CIRCUIT, REAL_VALUE_TRUNCATE,
11654         REVERSE_CONDEXEC_PREDICATES_P, TARGET_ALIGN_ANON_BITFIELDS, and
11655         TARGET_NARROW_VOLATILE_BITFIELDS.
11656         Document that MD_HANDLE_UNWABI is a macro in libgcc.
11657         * doc/tm.texi: Regenerate.
11658         * system.h: Poison target macros
11659         ALL_COP_ADDITIONAL_REGISTER_NAMES, DBX_OUTPUT_LBRAC, DBX_OUTPUT_NFUN,
11660         DBX_OUTPUT_RBRAC, RANGE_TEST_NON_SHORT_CIRCUIT, REAL_VALUE_TRUNCATE,
11661         REVERSE_CONDEXEC_PREDICATES_P, TARGET_ALIGN_ANON_BITFIELDS, and
11662         TARGET_NARROW_VOLATILE_BITFIELDS
11663
11664 2012-06-26  Jan Hubicka  <jh@suse.cz>
11665
11666         PR lto/53572
11667         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
11668         used symbols.
11669
11670 2012-06-26  Dehao Chen  <dehao@google.com>
11671
11672         * tree-inline.c: (expand_call_inline): Ensure that lexical block's
11673         source location is consistant with the call stmt.
11674
11675 2012-06-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
11676
11677         PR tree-optimization/53729
11678         PR tree-optimization/53636
11679         * tree-vect-slp.c (vect_slp_analyze_bb_1): Delay call to
11680         vect_verify_datarefs_alignment until after statements have
11681         been marked as relevant/irrelevant.
11682         * tree-vect-data-refs.c (vect_verify_datarefs_alignment):
11683         Skip irrelevant statements.
11684         (vect_enhance_data_refs_alignment): Use STMT_VINFO_RELEVANT_P
11685         instead of STMT_VINFO_RELEVANT.
11686         (vect_get_data_access_cost): Do not check for supportable
11687         alignment before calling vect_get_load_cost/vect_get_store_cost.
11688         * tree-vect-stmts.c (vect_get_store_cost): Do not abort when
11689         handling unsupported alignment.
11690         (vect_get_load_cost): Likewise.
11691
11692 2012-06-25  Steven Bosscher  <steven@gcc.gnu.org>
11693
11694         * config/rl78/rl78.h: Do not undefine DONT_USE_BUILTIN_SETJMP.
11695         Do not define JMP_BUF_SIZE.
11696
11697 2012-06-26  Jakub Jelinek  <jakub@redhat.com>
11698
11699         PR tree-optimization/53748
11700         * tree-ssa-phiopt.c (conditional_replacement): Only optimize
11701         if arg0/arg1 have integral or pointer types.
11702
11703 2012-06-25  Richard Henderson  <rth@redhat.com>
11704
11705         * config/i386/sse.md (sse2_sse4_1): Remove code attr.
11706         (<s>dot_prodv4si, <s>dot_prodv8si): Remove
11707         (sdot_prodv4si): New; handle only XOP.
11708
11709 2012-06-25  Richard Henderson  <rth@redhat.com>
11710
11711         * config/i386/i386-builtin-types.def (V4UDI, V8USI): New.
11712         (V2UDI_FUNC_V4USI_V4USI): New.
11713         (V4UDI_FUNC_V8USI_V8USI): New.
11714         * config/i386/i386.c (ix86_expand_args_builtin): Handle them.
11715         (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI): New.
11716         (IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V8SI): New.
11717         (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V4SI): New.
11718         (IX86_BUILTIN_VEC_WIDEN_UMUL_ODD_V8SI): New.
11719         (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V4SI): New.
11720         (IX86_BUILTIN_VEC_WIDEN_UMUL_EVEN_V8SI): New.
11721         (bdesc_args): Add them.
11722         (ix86_builtin_mul_widen_even, ix86_builtin_mul_widen_odd): New.
11723         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
11724         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
11725         (ix86_expand_mul_widen_evenodd): Use xop_pmacsdqh.
11726         * config/i386/sse.md (vec_widen_<s>mult_odd_<V124_AVX2>): New.
11727
11728 2012-06-25  Richard Henderson  <rth@redhat.com>
11729
11730         * config/i386.sse.md (mul<VI4_AVX2>3): Use xop_pmacsdd.
11731
11732 2012-06-25  Richard Henderson  <rth@redhat.com>
11733
11734         * config/i386/i386.c (ix86_rtx_costs) [MULT]: Only apply XOP cost
11735         to V16QImode.
11736         (ix86_expand_vec_interleave): New.
11737         (ix86_expand_mul_widen_evenodd): New.
11738         (ix86_expand_mul_widen_hilo): New.
11739         (ix86_expand_sse2_mulv4si3): Use ix86_expand_mul_widen_evenodd.
11740         * config/i386/i386.md (u_bool) New code attr.
11741         * config/i386/predicates.md
11742         (nonimmediate_or_const_vector_operand): Remove.
11743         * config/i386/sse.md (mul<VI4_AVX2>3): Don't use it; don't test
11744         both AVX and SSE4_1.
11745         (vec_widen<s>mult_hi_<VI2_AVX2>): Remove.
11746         (vec_widen<s>mult_lo_<VI2_AVX2>): Remove.
11747         (vec_widen<s>mult_hi_v8si): Remove.
11748         (vec_widen<s>mult_lo_v8si): Remove.
11749         (vec_widen_smult_hi_v4si): Remove.
11750         (vec_widen_smult_lo_v4si): Remove.
11751         (vec_widen_umult_hi_v4si): Remove.
11752         (vec_widen_umult_lo_v4si): Remove.
11753         (vec_widen_<s>mult_hi_<VI124_AVX2>): New.
11754         (vec_widen_<s>mult_lo_<VI124_AVX2>): New.
11755         * config/i386/i386-protos.h: Update.
11756
11757 2012-06-25  Christophe Lyon  <christophe.lyon@st.com>
11758
11759         * config/arm/neon.md (UNSPEC_VLD1_DUP): Remove.
11760         (neon_vld1_dup): Restrict to VQ operands.
11761         (neon_vld1_dupv2di): New, fixes vld1q_dup_s64.
11762
11763 2012-06-25  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
11764             James Greenhalgh  <james.greenhalgh@arm.com>
11765
11766         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Add new built-ins.
11767         (TARGET_FMA): New macro.
11768         (TARGET_ARM_QBIT, TARGET_ARM_SAT): Likewise.
11769         (TARGET_ARM_ARCH): Likewise.
11770         (TARGET_ARM_ARCH_ISA_THUMB): Likewise.
11771         (TARGET_V6M, TARGET_V7M): Likewise.
11772         (TARGET_ARM_ARCH_PROFILE): Likewise.
11773         (TARGET_ARM_FEATURE_LDREX): Likewise.
11774         (TARGET_ARM_FP, TARGET_NEON_FP): Likewise.
11775         (ARM_MIN_ENUM_SIZE): Likewise.
11776         * config/arm/arm.c (arm_file_start): Refactor appropriately.
11777         (base_architecture): New enumeration.
11778         (arm_base_arch): New global variable.
11779         (processors): Add field base_arch.
11780         (ARM_ARCH, ARM_CORE): Adjust accordingly.
11781         (arm_option_override): Add initialization of arm_base_arch.
11782         * doc/cpp.texi (system-specific predefined macros.): Change.
11783
11784 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
11785
11786         PR target/53759
11787         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
11788         of x x x in the vmovlps load alternative.
11789
11790 2012-06-25  Richard Sandiford  <rdsandiford@googlemail.com>
11791
11792         PR debug/53740
11793         * df.h (dead_debug_add): Remove third argument.
11794         * df-problems.c (dead_debug_add): Likewise.  Use the REGNO of the
11795         REG that we want to replace instead.
11796         (dead_debug_insert_temp): Use the REGNO of the reg that we want
11797         to replace instead of DF_REF_REGNO.  Require there to always be
11798         at least one such use.  Check for cases where the same location
11799         has more than df_ref associated with it.
11800         (df_note_bb_compute): Remove third dead_debug_add argument.
11801         * dce.c (word_dce_process_block): Likewise.
11802
11803 2012-06-25  Steven Bosscher  <steven@gcc.gnu.org>
11804
11805         * config/v850/v850.c: Remove redundant extern declarations for
11806         last_assemble_variable_decl and size_directive_output.
11807
11808         * doc/tm.texi.in: Document JMP_BUF_SIZE.
11809         * doc/tm.texi: Regenerate.
11810         * config/sparc/sparc.h (JMP_BUF_SIZE): Do not define.
11811         * config/pa/pa.h (JMP_BUF_SIZE): Likewise.
11812         * config/stormy16/stormy16.h: Likewise.
11813
11814         * config/picochip/picochip.c: Do not define DONT_USE_BUILTIN_SETJMP.
11815
11816         * doc/sourcebuild.texi: Add missing subdirectories.
11817
11818 2012-06-25  Tristan Gingold  <gingold@adacore.com>
11819
11820         * config/i386/i386.h: Fix typo.
11821
11822 2012-06-25  Tristan Gingold  <gingold@adacore.com>
11823
11824         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
11825         (seh_cfa_adjust_cfa): ... that function.
11826         (seh_emit_stackalloc): Do not emit out of range values.
11827         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
11828         UNSPEC_DEF_CFA constants.
11829         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
11830         * config/i386/i386.c (ix86_frame_pointer_required): Required
11831         for very large frames on SEH target.
11832         (ix86_compute_frame_layout): Save area is before frame pointer
11833         on SEH target.  Handle very large frames.
11834         (ix86_expand_prologue): Likewise.
11835
11836 2012-06-24  Steven Bosscher  <steven@gcc.gnu.org>
11837
11838         * output.h: (current_function_is_leaf,
11839         current_function_sp_is_unchanging,
11840         current_function_uses_only_leaf_regs): Remove.
11841         * function.c (current_function_is_leaf,
11842         current_function_sp_is_unchanging,
11843         current_function_uses_only_leaf_regs): Remove.
11844         (rest_of_handle_check_leaf_regs): Set crtl->uses_only_leaf_regs
11845         instead of current_function_uses_only_leaf_regs.
11846         * function.h (struct rtl_data): New fields sp_is_unchanging,
11847         is_leaf, uses_only_leaf_regs.
11848         * resource.c (init_resource_info): Replace current_function_is_leaf,
11849         current_function_sp_is_unchanging, and
11850         current_function_uses_only_leaf_regs with new crtl fields.
11851         * sdbout.c (sdbout_symbol): Likewise.
11852         * df-core.c (rest_of_handle_df_initialize): Likewise.
11853         * ira.c (ira): Likewise.
11854         * final.c (final_start_function): Likewise.
11855         * reorg.c (fill_simple_delay_slots): Likewise.
11856         * regrename.c (check_new_reg_p): Likewise.
11857         * stack-ptr-mod.c (notice_stack_pointer_modification_1): Likewise.
11858         (notice_stack_pointer_modification): Likewise.
11859         * dbxout.c (dbxout_symbol): Likewise.
11860         (dbxout_parms): Likewise.
11861         * sel-sched.c (init_regs_for_mode): Likewise.
11862         * dwarf2out.c (dbx_reg_number): Likewise.
11863         (multiple_reg_loc_descriptor): Likewise.
11864         * config/i386/i386.c (ix86_frame_pointer_required): Likewise.
11865         (gen_pop): Likewise.
11866         (ix86_select_alt_pic_regnum): Likewise.
11867         (ix86_compute_frame_layout): Likewise.
11868         (ix86_finalize_stack_realign_flags): Likewise.
11869         (ix86_expand_epilogue): Likewise.
11870         * config/rs6000/rs6000.c (rs6000_stack_info): Likewise.
11871         * config/h8300/h8300.c (byte_reg): Likewise.
11872         * config/c6x/c6x.c (must_reload_pic_reg_p): Likewise.
11873         (c6x_save_reg): Likewise.
11874         (c6x_compute_frame_layout): Likewise.
11875         * config/pa/pa.c (pa_compute_frame_size): Likewise.
11876         (pa_output_function_prologue): Likewise.
11877         * config/stormy16/stormy16.c (struct xstormy16_stack_layout): Likewise.
11878         * config/sparc/sparc.md (attr "leaf_function"): Likewise.
11879         * config/sparc/sparc.c (sparc_initial_elimination_offset): Likewise.
11880         (sparc_expand_prologue): Likewise.
11881         (sparc_flat_expand_prologue): Likewise.
11882         (sparc_asm_function_prologue): Likewise.
11883         (sparc_output_mi_thunk): Likewise.
11884         (sparc_frame_pointer_required): Likewise.
11885         * config/epiphany/epiphany.c (epiphany_compute_function_type):
11886         Likewise.
11887         (epiphany_compute_frame_size): Likewise.
11888         * config/lm32/lm32.c (lm32_compute_frame_size): Likewise.
11889         * config/cris/cris.c (cris_md_asm_clobbers): Likewise.
11890         (cris_frame_pointer_required): Likewise.
11891         * config/tilepro/tilepro.c (emit_sp_adjust): Likewise.
11892         (tilepro_current_function_is_leaf): Likewise.
11893         * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Likewise.
11894         * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
11895         * config/ia64/ia64.c (find_gr_spill): Likewise.
11896         (ia64_compute_frame_size): Likewise.
11897         (ia64_can_eliminate): Likewise.
11898         (ia64_initial_elimination_offset): Likewise.
11899         * config/m68k/m68k.c (m68k_save_reg): Likewise.
11900         (m68k_expand_epilogue): Likewise.
11901         * config/rx/rx.c (rx_get_stack_layout): Likewise.
11902         * config/tilegx/tilegx.c (tilegx_current_function_is_leaf): Likewise.
11903         * config/picochip/picochip.c (picochip_can_eliminate_link_sp_save):
11904         Likewise.
11905         (picochip_output_frame_debug): Likewise.
11906         * config/sh/sh.c (sh_media_register_for_return): Likewise.
11907         (sh_allocate_initial_value): Likewise.
11908         (sh_output_mi_thunk): Likewise.
11909         * config/microblaze/microblaze.c (microblaze_must_save_register):
11910         Likewise.
11911         (compute_frame_size): Likewise.
11912         (microblaze_initial_elimination_offset): Likewise.
11913         (microblaze_expand_prologue): Likewise.
11914         (microblaze_expand_epilogue): Likewise.
11915         * config/frv/frv.c (frv_expand_epilogue): Likewise.
11916         (frv_frame_pointer_required): Likewise.
11917         * config/spu/spu.c (get_pic_reg): Likewise.
11918         (direct_return): Likewise.
11919         (spu_expand_prologue): Likewise.
11920         (spu_expand_epilogue): Likewise.
11921         (spu_initial_elimination_offset): Likewise.
11922         * config/mips/mips.c (mips_global_pointer): Likewise.
11923         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
11924         (mips_compute_frame_info): Likewise.
11925         * config/mep/mep.c (mep_interrupt_saved_reg): Likewise.
11926         (mep_reload_pointer): Likewise.
11927         * config/rl78/rl78.c (need_to_save): Likewise.
11928         * config/cr16/cr16.c (cr16_compute_save_regs): Likewise.
11929         * config/score/score.c (score_compute_frame_size): Likewise.
11930         (score_function_prologue): Likewise.
11931         * config/bfin/bfin.c (must_save_p): Likewise.
11932         (expand_prologue_reg_save): Likewise.
11933         (expand_epilogue_reg_restore): Likewise.
11934         (bfin_frame_pointer_required): Likewise.
11935         (n_regs_saved_by_prologue): Likewise.
11936         (add_to_reg): Likewise.
11937         (expand_interrupt_handler_prologue): Likewise.
11938         (expand_interrupt_handler_epilogue): Likewise.
11939         (bfin_expand_prologue): Likewise.
11940         * config/avr/avr.c (avr_regs_to_save): Likewise.
11941         (avr_prologue_setup_frame): Likewise.
11942         (expand_epilogue): Likewise.
11943         * config/s390/s390.c (s390_regs_ever_clobbered): Likewise.
11944         (s390_register_info): Likewise.
11945         (s390_frame_info): Likewise.
11946         (s390_init_frame_layout): Likewise.
11947         (s390_emit_prologue): Likewise.
11948
11949
11950 2012-06-24  Steven Bosscher  <steven@gcc.gnu.org>
11951
11952         * system.h: Poison ASM_BYTE_OP and ASM_OUTPUT_BYTE.
11953         * vmsdbgout: Do not undefine it if defined.
11954         Rename local ASM_BYTE_OP definition to VMS_ASM_BYTE_OP.
11955         * config/microblaze/microblaze/h: Do no define ASM_BYTE_OP.
11956         * config/mep/mep.h: Do not define ASM_OUTPUT_BYTE.
11957
11958 2012-06-24  Richard Sandiford  <rdsandiford@googlemail.com>
11959
11960         * config/mips/mips.c (mips_process_sync_loop): Add missing enum cast.
11961
11962 2012-06-23  Richard Henderson  <rth@redhat.com>
11963
11964         PR target/53749
11965         * config/i386/i386.c (ix86_rtx_costs): Add reasonable costs for
11966         V*QImode shifts and multiply.
11967         (ix86_expand_vecop_qihi): Support shifts.
11968         * config/i386/i386.md (any_shift): New code iterator.
11969         * config/i386/sse.md (ashlv16qi3): Merge ...
11970         (<any_shiftrt>v16qi3): ... into ...
11971         (<any_shift><VI1_AVX2>3): ... here.  Use ix86_expand_vecop_qihi
11972         to support SSE and AVX.
11973
11974         * config/i386/i386.c (ix86_expand_sse_unpack): Split operands[]
11975         parameter into src and dest.
11976         * config/i386/sse.md (vec_unpacku_hi_<V124_AVX2>): Update call.
11977         (vec_unpacks_hi_<V124_AVX2>): Likewise.
11978         (vec_unpacku_lo_<V124_AVX2>): Likewise.
11979         (vec_unpacks_lo_<V124_AVX2>): Likewise.
11980         * config/i386/i386-protos.h: Update.
11981
11982         * config/i386/sse.md (mul<VI1_AVX2>3): Change from insn_and_split to
11983         pure expander; move expansion code ...
11984         * config/i386/i386.c (ix86_expand_vecop_qihi): ... here.  New function.
11985         * config/i386/i386-protos.h: Update.
11986
11987 2012-06-22  Edmar Wienskoski  <edmar@freescale.com>
11988
11989         * config/rs6000/rs6000.md (define_attr "type"): New type popcnt.
11990         (popcntb<mode>2): Add attribute type popcnt.
11991         (popcntd<mode>2): Ditto.
11992         * config/rs6000/power4.md (define_insn_reservation): Add type popcnt.
11993         * config/rs6000/power5.md (define_insn_reservation): Ditto.
11994         * config/rs6000/power7.md (define_insn_reservation): Ditto.
11995         * config/rs6000/476.md (define_insn_reservation): Ditto.
11996         * config/rs6000/power6.md (define_insn_reservation): New
11997         reservation for popcnt instructions.
11998
11999 2012-06-22  H.J. Lu  <hongjiu.lu@intel.com>
12000
12001         * doc/invoke.texi: Update -mpreferred-stack-boundary=3 warning.
12002
12003 2012-06-22  H.J. Lu  <hongjiu.lu@intel.com>
12004
12005         PR target/53383
12006         * doc/invoke.texi: Add a warning for -mpreferred-stack-boundary=3.
12007
12008         * config/i386/i386.c (ix86_option_override_internal): Allow
12009         -mpreferred-stack-boundary=3 for 64-bit if SSE is disabled.
12010
12011         * config/i386/i386.h (MIN_STACK_BOUNDARY): Set to 64 for 64-bit
12012         if SSE is disabled.
12013
12014 2012-06-22  Bill Schmidt  <wschmidt@linux.ibm.com>
12015
12016         * double-int.c (double_int_multiple_of): New function.
12017         * double-int.h (double_int_multiple_of): New decl.
12018         * tree-ssa-loop-ivopts.c (add_cost, zero_cost): Remove undefs.
12019         (mbc_entry_hash): New forward decl.
12020         (mbc_entry_eq): Likewise.
12021         (zero_cost): Change to no_cost.
12022         (mult_costs): New static var.
12023         (cost_tables_exist): Likewise.
12024         (initialize_costs): New function.
12025         (finalize_costs): Likewise.
12026         (tree_ssa_iv_optimize_init): Call initialize_costs.
12027         (add_cost): Change to add_regs_cost; distinguish costs by speed.
12028         (multiply_regs_cost): New function.
12029         (add_const_cost): Likewise.
12030         (extend_or_trunc_reg_cost): Likewise.
12031         (negate_reg_cost): Likewise.
12032         (multiply_by_cost): Change to multiply_by_const_cost; distinguish
12033         costs by speed.
12034         (get_address_cost): Change add_cost to add_regs_cost; change
12035         multiply_by_cost to multiply_by_const_cost.
12036         (force_expr_to_var_cost): Change zero_cost to no_cost; change
12037         add_cost to add_regs_cost; change multiply_by_cost to
12038         multiply_by_const_cost.
12039         (split_cost): Change zero_cost to no_cost.
12040         (ptr_difference_cost): Likewise.
12041         (difference_cost): Change zero_cost to no_cost; change multiply_by_cost
12042         to multiply_by_const_cost.
12043         (get_computation_cost_at): Change add_cost to add_regs_cost; change
12044         multiply_by_cost to multiply_by_const_cost.
12045         (determine_use_iv_cost_generic): Change zero_cost to no_cost.
12046         (determine_iv_cost): Change add_cost to add_regs_cost.
12047         (iv_ca_new): Change zero_cost to no_cost.
12048         (tree_ssa_iv_optimize_finalize): Call finalize_costs.
12049         * tree-ssa-address.c (most_expensive_mult_to_index): Change
12050         multiply_by_cost to multiply_by_const_cost.
12051         * tree-flow.h (multiply_by_cost): Change to multiply_by_const_cost.
12052         (add_regs_cost): New decl.
12053         (multiply_regs_cost): Likewise.
12054         (add_const_cost): Likewise.
12055         (extend_or_trunc_reg_cost): Likewise.
12056         (negate_reg_cost): Likewise.
12057
12058 2012-06-22  Richard Guenther  <rguenther@suse.de>
12059
12060         Merge from graphite branch
12061         2011-08-10  Sebastian Pop <sebpop@gmail.com>
12062
12063         * graphite-sese-to-poly.c (build_scop_drs): Fix memory leak.
12064
12065         2012-01-13  Tobias Grosser  <tobias@grosser.es>
12066
12067         * tree-flow.h (parallelized_function_p): Declare.
12068         * tree-parloops.c (parallelized_function_p): Export.
12069         * graphite.c (graphite_transform_loops): Do not run graphite on
12070         already parallel functions.
12071
12072 2012-06-22  Alan Modra  <amodra@gmail.com>
12073
12074         * config/rs6000/rs6000.c (rs6000_pre_atomic_barrier): Pass in and
12075         return mem.  Convert to indirect addressing if not indirect or
12076         indexed.  Adjust all callers.
12077
12078 2012-06-22  Richard Guenther  <rguenther@suse.de>
12079
12080         * gcov-iov.c: Include bconfig.h and system.h.
12081
12082 2012-06-22  Andreas Schwab  <schwab@linux-m68k.org>
12083
12084         * doc/include/texinfo.tex: Update to version 2012-06-05.14.
12085
12086 2012-06-22  Richard Guenther  <rguenther@suse.de>
12087
12088         PR gcov-profile/53744
12089         * gcov-iov.c (main): Treat "" and "prerelease" the same.
12090
12091 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
12092
12093         PR debug/53704
12094         * dwarf2out.c (gen_compile_unit_die): Use DW_LANG_Fortran90 as language
12095         for GNU Fortran if in strict DWARF2 mode.
12096
12097 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
12098
12099         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
12100         DECL_IGNORED_P non-reg vars even if they are used.
12101
12102 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
12103
12104         PR debug/53671
12105         PR debug/49888
12106         * var-tracking.c (vt_get_canonicalize_base): New.
12107         (vt_canonicalize_addr, vt_stack_offset_p): New.
12108         (vt_canon_true_dep): New.
12109         (drop_overlapping_mem_locs): Use vt_canon_true_dep.
12110         (clobber_overlaping_mems): Use vt_canonicalize_addr.
12111
12112 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
12113
12114         PR debug/53671
12115         PR debug/49888
12116         * var-tracking.c (vt_initialize): Record initial offset between
12117         arg pointer and stack pointer.
12118
12119 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
12120
12121         PR debug/53671
12122         PR debug/49888
12123         * var-tracking.c (vt_init_cfa_base): Drop redundant recording of
12124         CFA base.
12125
12126 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
12127
12128         PR debug/53671
12129         PR debug/49888
12130         * alias.c (memrefs_conflict_p): Improve handling of AND for alignment.
12131
12132 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
12133
12134         * ddg.c (build_intra_loop_deps): Discard deps of nondebug on debug.
12135
12136 2012-06-21  Alexandre Oliva  <aoliva@redhat.com>
12137
12138         PR debug/53682
12139         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
12140
12141 2012-06-21  Meador Inge  <meadori@codesourcery.com>
12142
12143         PR c/53702
12144         * c-decl.c (c_push_function_context): Restore the behavior to reuse
12145         the language function allocated for -Wunused-local-typedefs.
12146         (c_pop_function_context): If necessary, clear the language function
12147         created in c_push_function_context.  Always clear out the
12148         x_cur_stmt_list field of the restored language function.
12149
12150 2012-06-21  Sterling Augustine  <saugustine@google.com>
12151             Cary Coutant  <ccoutant@google.com>
12152
12153         * dwarf2out.c (is_cu_die, is_namespace_die, is_class_die,
12154         add_AT_pubnames, add_enumerator_pubname, want_pubnames): New functions.
12155         (comdat_type_struct): New field 'skeleton_die'.
12156         (breakout_comdat_types): Update it.
12157         (add_pubname): Rework logic.  Call is_class_die, is_cu_die and
12158         is_namespace_die.  Fix minor style violation.  Call want_pubnames.
12159         (add_pubname_string): Call want_pubnames.
12160         (add_pubtype): Rework logic for calculating type name.  Call
12161         is_namespace_die.  Call want_pubnames.
12162         (output_pubnames): Move conditional logic deciding when to produce the
12163         section from dwarf2out_finish.  Use new skeleton_die field.
12164         (base_type_die): Call add_pubtype.
12165         (gen_enumeration_type_die): Unconditionally call add_pubtype.
12166         (gen_subprogram_die): Adjust calls to add_pubname.
12167         (gen_namespace_die): Call add_pubname_string.
12168         (dwarf2out_finish): Call add_AT_pubnames; Move logic on when to
12169         produce pubnames and pubtypes sections to output_pubnames.
12170         * common.opt (-gpubnames): New option.
12171         * doc/invoke.texi: Document it.
12172
12173 2012-06-21  Steven Bosscher  <steven@gcc.gnu.org>
12174
12175         * config/m32c/m32c-pragma.c: Remove unnecessary includes.
12176
12177 2012-06-21  Michael Matz  <matz@suse.de>
12178
12179         PR middle-end/53688
12180         * builtins.c (get_memory_rtx): Always build an all-aliasing MEM_REF
12181         with correct size.
12182
12183 2012-06-21  Richard Guenther  <rguenther@suse.de>
12184
12185         * tree-inline.c (estimate_num_insns): Estimate call cost for
12186         tailcalls properly.
12187
12188 2012-06-20  Rüdiger Sonderfeld  <ruediger@c-plusplus.de>
12189
12190         * tree.h (DECL_SOURCE_COLUMN): New accessor.
12191
12192 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
12193
12194         * config/i386/i386.md (SINCOS): New int iterator.
12195         (sincos): New int attribute.
12196         (*<sincos>xf2_i387): Macroize insn from *{sin,cos}xf2_i387 using
12197         SINCOS int iterator.
12198         (*<sincos>_extend<mode>xf2_i387): Macroize insn from
12199         *{sin,cos}_extend<mode>xf2_i387 using SINCOS int iterator.
12200
12201 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
12202
12203         * config/i386/i386.md (RDFSGSBASE): New int iterator.
12204         (WRFSGSBASE): Ditto.
12205         (fsgs): New int attribute.
12206         (rd<fsgs>base<mode>): Macroize insn from rd<fsgs>base<mode> using
12207         RDFSGSBASE int iterator.
12208         (wr<fsgs>base<mode>): Macroize insn from wr<fsgs>base<mode> using
12209         WRFSGSBASE int iterator.
12210
12211 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
12212
12213         * config/i386/i386.md (<rounding_insn><mode>2): Macroize expander
12214         from {floor,ceil,btrunc}<mode>2 using FIST_ROUNDING int iterator.
12215         (l<rounding_insn><MODEF:mode><SWI48:mode>2): Macroize expander
12216         from l{floor,ceil}<MODEF:mode><SWI48:mode>2 using FIST_ROUNDING
12217         int iterator.
12218
12219 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
12220
12221         * system.h: Poison ASM_OUTPUT_IDENT and IDENT_ASM_OP.
12222
12223 2012-06-20  Richard Guenther  <rguenther@suse.de>
12224
12225         PR tree-optimization/30318
12226         * tree-vrp.c (range_int_cst_p): Do not reject overflowed
12227         constants here.
12228         (range_int_cst_singleton_p): But explicitely here.
12229         (zero_nonzero_bits_from_vr): And here.
12230         (extract_range_from_binary_expr_1): Re-implement PLUS_EXPR
12231         to cover all cases we can perform arbitrary precision
12232         arithmetic with double-ints.
12233         (intersect_ranges): Handle adjacent anti-ranges.
12234
12235 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
12236
12237         * config/i386/i386.md (rounding_insn): New int attribute.
12238         (<rounding_insn>xf2): Macroize insn from
12239         {floor,ceil,btrunc}xf2 using FRNDINT_ROUNDING int iterator.
12240         (l<rounding_insn>xf<mode>2): Rename from l<rounding>xf<mode>2.
12241
12242 2012-06-20  Uros Bizjak  <ubizjak@gmail.com>
12243
12244         * config/i386/i386.md (IEEE_MAXMIN): New int iterator.
12245         (ieee_maxmin): New int attribute.
12246         (*ieee_s<ieee_maxmin><mode>3): Macroize insn from
12247         *ieee_s{max,min}<mode>3 using IEEE_MAXMIN int iterator.
12248
12249 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
12250
12251         * config/arm/arm.h (EMIT_EABI_ATTRIBUTE): Remove.
12252         * config/arm/arm.c: Do not include c-pragma.h.
12253         (arm_emit_eabi_attribute): New function based on EMIT_EABI_ATTRIBUTE.
12254         (arm_file_start): Replace uses of EMIT_EABI_ATTRIBUTE with calls
12255         to arm_emit_eabi_attribute.
12256         * arm-c.c: Do not include output.h.
12257         (arm_output_c_attributes): Replace use of EMIT_EABI_ATTRIBUTE with a
12258         call to arm_emit_eabi_attribute.
12259         * config/arm/arm-protos.h (arm_emit_eabi_attribute): Prototype it.
12260
12261 2012-06-20  Richard Guenther  <rguenther@suse.de>
12262
12263         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p):
12264         Allow adjusting alignment of user-aligned decls again.
12265
12266 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
12267
12268         * config/rl78/rl78-c.c: Remove unnecessary includes.
12269
12270 2012-06-20  Steven Bosscher  <steven@gcc.gnu.org>
12271
12272         * config/cris/cris.c: Include cgraph.h.
12273         (cris_option_override): Do not set non-existing flag_no_gcc_ident.
12274
12275 2012-06-19  Maxim Kuvyrkov  <maxim@codesourcery.com>
12276
12277         * emit-rtl.c (need_atomic_barrier_p): New function.
12278         * emit-rtl.h (need_atomic_barrier_p): Declare it.
12279         * config/alpha/alpha.c (alpha_{pre,post}_atomic_barrier): Use it.
12280         * config/arm/arm.c (arm_{pre,post}_atomic_barrier): Use it.
12281         * config/tilegx/tilegx.c (tile_{pre,post}_atomic_barrier): Use it.
12282         * config/mips/mips.c (mips_{pre,post}_atomic_barrier_p): Remove.
12283         (mips_process_sync_loop): Use generic version instead.
12284
12285 2012-06-19  Maxim Kuvyrkov  <maxim@codesourcery.com>
12286
12287         * config/mips/mips.c (mips_process_sync_loop): Emit cmp result only if
12288         it is used.
12289
12290 2012-06-19  Tom de Vries  <vries@codesourcery.com>
12291             Maxim Kuvyrkov  <maxim@codesourcery.com>
12292
12293         * config/mips/constraints.md (ZR): New constraint.
12294         * config/mips/predicates.md (mem_noofs_operand): New predicate.
12295         * config/mips/mips.c (mips_print_operand): Handle new print modifier.
12296         * config/mips/mips.h (TARGET_XLP): Define.
12297         (TARGET_SYNC_AFTER_SC): Update.
12298         (ISA_HAS_SWAP, ISA_HAS_LDADD): Define.
12299         * config/mips/sync.md (atomic_exchange, atomic_fetch_add): Use
12300         XLP-specific swap and ldadd patterns.
12301         (atomic_exchange_swap, atomic_fetch_add_ldadd): New patterns.
12302
12303 2012-06-19  Tom de Vries  <vries@codesourcery.com>
12304             Maxim Kuvyrkov  <maxim@codesourcery.com>
12305
12306         * config/mips/mips.c (mips_emit_pre_atomic_barrier_p,)
12307         (mips_emit_post_atomic_barrier_p): New static functions.
12308         (mips_process_sync_loop): Use them.  Emit sync memory barriers in
12309         accordance with memory model semantics.  Add return of CMP result for
12310         compare_and_swap.
12311         * config/mips/mips.md: Update comment.
12312         (sync_cmp): New attribute.
12313         (sync_memmodel): New attribute replacing sync_release_barrier.
12314         * config/mips/sync.md (UNSPEC_ATOMIC_COMPARE_AND_SWAP,)
12315         (UNSPEC_ATOMIC_EXCHANGE, UNSPEC_ATOMIC_FETCH_OP): New constants.
12316         (sync_lock_test_and_set, test_and_set_12): Update.
12317         (atomic_compare_and_swap, atomic_exchange, atomic_exchange_llsc,)
12318         (atomic_fetch_add, atomic_fetch_add_llsc): New patterns.
12319
12320 2012-06-19  Joseph Myers  <joseph@codesourcery.com>
12321
12322         * config/rs6000/spe.md (*mov_si<mode>_e500_subreg0): Rename to
12323         mov_si<mode>_e500_subreg0.
12324         (*mov_si<mode>_e500_subreg0_elf_low)
12325         (*mov_si<mode>_e500_subreg4_elf_low): New patterns.
12326
12327 2012-06-19  Richard Henderson  <rth@redhat.com>
12328
12329         * config/alpha/alpha.c: Include params.h.
12330         (alpha_option_override): Initialize PARAM_L1_CACHE_LINE_SIZE,
12331         PARAM_L1_CACHE_SIZE, PARAM_L2_CACHE_SIZE for the cpu tuning.
12332
12333 2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>
12334
12335         * doc/tm.texi.in (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE,
12336         TARGET_OBJC_DECLARE_CLASS_DEFINITION): Add @hooks.
12337         (ASM_DECLARE_CLASS_REFERENCE, ASM_DECLARE_UNRESOLVED_REFERENCE):
12338         Remove.
12339         * doc/tm.texi: Regenerate.
12340         * config/darwin.h (ASM_OUTPUT_LABELREF): Remove special case for
12341         .objc_class_name_*.
12342         * config/darwin-c.c: Include target.h.
12343         (darwin_objc_declare_unresolved_class_reference): New function.
12344         (darwin_objc_declare_class_definition): New function.
12345         (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE): Define.
12346         (TARGET_OBJC_DECLARE_CLASS_DEFINITION): Define.
12347
12348 2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>
12349
12350         * target.def (output_ident): New hook.
12351         * targhooks.h (default_asm_output_ident_directive): Add prototype.
12352         * varasm.c (assemble_asm): Only prefix a tab if the string does not
12353         already start with one.
12354         (default_asm_output_ident_directive): New function to emit
12355         .ident as a top-level asm node while parsing, or directly to
12356         asm_out_file after parsing.
12357         * toplev.c (compile_file): Print a GCC .ident with
12358         targetm.asm_out.output_ident.
12359         * doc/tm.texi.in (ASM_OUTPUT_IDENT): Remove documentation for macro.
12360         (TARGET_ASM_OUTPUT_IDENT): Add @hook for this.
12361         * doc/tm.texi: Update.
12362
12363         * config/elfos.h (ASM_OUTPUT_IDENT, IDENT_ASM_OP): Remove.
12364         (TARGET_ASM_OUTPUT_IDENT): Define.
12365         * config/i386/djgpp.h (IDENT_ASM_OP): Remove.
12366         * config/i386/gas.h (ASM_OUTPUT_IDENT): Remove.
12367         * config/arm/aout.h (ASM_OUTPUT_IDENT): Remove.
12368         * config/sparc/sparc.h (IDENT_ASM_OP): Remove.
12369         (TARGET_ASM_OUTPUT_IDENT): Define.
12370         * config/picochip/picochip.h (IDENT_ASM_OP): Remove.
12371         (TARGET_ASM_OUTPUT_IDENT): Define.
12372
12373         * config/cris/cris-protos.h (cris_asm_output_ident): Add prototype.
12374         * config/cris/cris.c (cris_asm_output_ident): New function.
12375         * config/cris/cris.h (ASM_OUTPUT_IDENT, IDENT_ASM_OP): Remove.
12376
12377         * config/microblaze/microblaze-protos.h (microblaze_asm_output_ident):
12378         Add prototype.
12379         * config/microblaze/microblaze.c: Include cgraph.h for add_asm_node.
12380         (microblaze_asm_output_ident): Rewrite to work similar to
12381         default_asm_output_ident_directive for front-end .idents.
12382         * config/microblaze/microblaze.h (ASM_OUTPUT_IDENT): Remove.
12383         (TARGET_ASM_OUTPUT_IDENT): Define.
12384
12385         * config/mips/mips.h (ASM_OUTPUT_IDENT): Remove.
12386         * config/mips/sde.h (IDENT_ASM_OP, ASM_OUTPUT_IDENT): Remove.
12387
12388         * config/rx/rx.c: Include cgraph.h for add_asm_node.
12389         (rx_asm_output_ident): New function, similar to
12390         default_asm_output_ident_directive, but handle AS100 syntax also, so
12391         that #ident also works for rx in AS100 syntax.
12392         (TARGET_ASM_OUTPUT_IDENT): Define.
12393         * config/rx/rx.h (IDENT_ASM_OP): Remove.
12394
12395         * Makefile.in: Fix dependencies for c-family/c-lex.o.
12396
12397 2012-06-19  Uros Bizjak  <ubizjak@gmail.com>
12398
12399         * config/i386/i386.md (FIST_ROUNDING): New int iterator.
12400         (rounding): Handle UNSPEC_FIST_{FLOOR,CEIL}.
12401         (ROUNDING): Ditto.
12402         (*fist<mode>2_<rounding>_1): Macroize insn from
12403         *fist<mode>2_{floor,ceil}_1 using FIST_ROUNDING int iterator.
12404         (fistdi2_<rounding>): Macroize insn from
12405         fistdi2_{floor,ceil} using FIST_ROUNDING int iterator.
12406         (fistdi2_<rounding>_with_temp and splitters): Macroize insn and
12407         corresponding splitters from fistdi2_{floor,ceil} and corresponding
12408         splitters using FIST_ROUNDING int iterator.
12409         (fist<mode>2_<rounding>): Macroize insn from
12410         fist<mode>2_{floor,ceil} using FIST_ROUNDING int iterator.
12411         (fist<mode>2_<rounding>_with_temp and splitters): Macroize insn and
12412         corresponding splitters from fist<mode>2_{floor,ceil} and corresponding
12413         splitters using FIST_ROUNDING int iterator.
12414         (l<rounding>xf<mode>2): Macroize expander from l{floor,ceil}xf<mode>2
12415         using FIST_ROUNDING int iterator.
12416
12417 2012-06-19  Richard Henderson  <rth@redhat.com>
12418
12419         * config/i386/i386-protos.h (ix86_expand_sse2_mulv4si3): Declare.
12420         * config/i386/i386.c (ix86_expand_sse2_mulv4si3): New.
12421         * config/i386/predicates.md (nonimmediate_or_const_vector_operand): New.
12422         * config/i386/sse.md (sse2_mulv4si3): Delete.
12423         (mul<VI4_AVX2>3): Use ix86_expand_sse2_mulv4si3 and
12424         nonimmediate_or_const_vector_operand.
12425
12426 2012-06-19  Richard Henderson  <rth@redhat.com>
12427
12428         * expmed.c (struct init_expmed_rtl): Split ...
12429         (init_expmed_one_mode): ... out of ...
12430         (init_expmed): ... here.  Initialize integer vector modes also.
12431         (synth_mult): Handle integer vector modes.
12432         (choose_mult_variant): Likewise.
12433         (expand_mult_const): Likewise.
12434         (expand_mult): Likewise.
12435         * machmode.h (GET_MODE_UNIT_BITSIZE): New.
12436
12437 2012-06-19  Richard Henderson  <rth@redhat.com>
12438
12439         * config/i386/i386.c (ix86_rtx_costs): Handle CONST_VECTOR, and
12440         integral vector modes.
12441
12442 2012-06-19  Uros Bizjak  <ubizjak@gmail.com>
12443
12444         * config/i386/i386.md (FRNDINT_ROUNDING): New int iterator.
12445         (rounding): New int attribute.
12446         (ROUNDING): Ditto.
12447         (frndintxf2_<rounding>): Macroize insn from
12448         frndintxf2_{floor,ceil,trunc} using FRNDINT_ROUNDING int iterator.
12449         (frndintxf2_<rounding>_i387): Macroize insn from
12450         frndintxf2_{floor,ceil,trunc}_i387 using FRNDINT_ROUNDING int iterator.
12451
12452 2012-06-19  Richard Guenther  <rguenther@suse.de>
12453
12454         * tree-vrp.c (union_ranges): New function.
12455         (vrp_meet_1): Use union_ranges.
12456         (vrp_meet): Dump what we union and call vrp_meet_1.
12457
12458 2012-06-19  Richard Earnshaw  <rearnsha@arm.com>
12459
12460         * arm.md (enum unspec): Delete UNSPEC_SIN and UNSPEC_COS.
12461         (attr type): Remove fmul, ffmul, farith, ffarith, float_em
12462         f_fpa_load, f_fpa_store, f_mem_r, r_mem_f.
12463         (attr write_conflict, attr core_cycles): Update.
12464         * arm-generic.md (r_mem_f_wbuf): Delete reservation.
12465
12466 2012-06-19  Richard Guenther  <rguenther@suse.de>
12467
12468         * tree-vrp.c (intersect_ranges): Handle more cases.
12469         (vrp_intersect_ranges): Dump what we intersect and call ...
12470         (vrp_intersect_ranges_1): ... this.
12471
12472 2012-06-19  Richard Guenther  <rguenther@suse.de>
12473
12474         PR tree-optimization/53708
12475         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
12476         user-supplied alignment and alignment of decls with the used
12477         attribute.
12478
12479 2012-06-18  Lawrence Crowl  <crowl@google.com>
12480
12481         * timevar.def (TV_PHASE_GENERATE): Rename to TV_PHASE_LATE_ASM.
12482         (TV_PHASE_CGRAPH): Rename to TV_PHASE_OPT_GEN.
12483         (TV_PHASE_STREAM_IN): New.
12484         (TV_PHASE_STREAM_OUT): New.
12485         * timevar.c (validate_phases): New.
12486         (timevar_print): Call validate_phases.
12487         * c-decl.c (c_write_global_declarations): Rename use of TV_PHASE_CGRAPH
12488         to TV_PHASE_OPT_GEN.
12489         * langhooks.c (write_global_declarations): Rename use of
12490         TV_PHASE_CGRAPH to TV_PHASE_OPT_GEN.  Use TV_PHASE_DBGINFO instead of
12491         TV_PHASE_CHECK_DBGINFO.
12492         * toplev.c (compile_file): Rename use of TV_PHASE_GENERATE to
12493         TV_PHASE_LATE_ASM.  Move start of TV_PHASE_LATE_ASM to after call to
12494         lang_hooks.decls.final_write_globals.
12495
12496 2012-06-18  David Edelshn  <dje.gcc@gmail.com>
12497
12498         * config/rs6000/aix52.h (TARGET_EXTRA_BUILTINS): Define as 0.
12499
12500 2012-06-18  Uros Bizjak  <ubizjak@gmail.com>
12501
12502         PR target/53712
12503         * config/i386/sse.md (*sse4_2_pcmpestr_unaligned): New.
12504         (*sse4_2_pcmpistr_unaligned): New.
12505
12506 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
12507             Sameera Deshpande  <sameera.deshpande@arm.com>
12508             Greta Yorsh  <greta.yorsh@arm.com>
12509
12510         * config/arm/arm-protos.h (arm_output_epilogue): Remove.
12511         * config/arm/arm.c (print_multi_reg): Remove.
12512         (vfp_output_fldmd): Likewise.
12513         (arm_output_epilogue): Likewise.
12514         * config/arm/arm.md (epilogue_insns): Update condition and code.
12515
12516 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
12517             Sameera Deshpande  <sameera.deshpande@arm.com>
12518             Greta Yorsh  <greta.yorsh@arm.com>
12519
12520         * config/arm/arm-protos.h (thumb2_expand_return): New declaration.
12521         * config/arm/arm.c (thumb2_expand_return): New function.
12522         * config/arm/arm.md (return): Update condition and code.
12523
12524 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
12525             Sameera Deshpande  <sameera.deshpande@arm.com>
12526             Greta Yorsh  <greta.yorsh@arm.com>
12527
12528         * config/arm/arm-protos.h (output_return_instruction): New parameter
12529         and int to bool change of parameter types.
12530         * config/arm/arm.c (output_return_instruction): Likewise.
12531         * config/arm/arm.md (arm_simple_return): New pattern.
12532         (arm_return, cond_return, cond_return_inverted): Add new arguments.
12533         * config/arm/thumb2.md (thumb2_return): Update condition and code.
12534
12535 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
12536             Sameera Deshpande  <sameera.deshpande@arm.com>
12537             Greta Yorsh  <greta.yorsh@arm.com>
12538
12539         * config/arm/arm-protos.h (arm_expand_epilogue): New declaration.
12540         * config/arm/arm.c (arm_expand_epilogue): New function.
12541         * config/arm/arm.md (epilogue): Update condition and code.
12542         (sibcall_epilogue): Likewise.
12543
12544 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
12545             Sameera Deshpande  <sameera.deshpande@arm.com>
12546             Greta Yorsh  <greta.yorsh@arm.com>
12547
12548         * config/arm/arm.c (arm_expand_epilogue_apcs_frame): New function.
12549         * config/arm/arm.md (arm_addsi3) Add an alternative.
12550
12551 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
12552             Sameera Deshpande  <sameera.deshpande@arm.com>
12553             Greta Yorsh  <greta.yorsh@arm.com>
12554
12555         * config/arm/arm.md (vfp_pop_multiple_with_writeback) New define_insn.
12556         * config/arm/predicates.md (pop_multiple_fp) New special predicate.
12557         * config/arm/arm.c (arm_emit_vfp_multi_reg_pop): New function.
12558
12559 2012-06-18  Ian Bolton  <ian.bolton@arm.com>
12560             Sameera Deshpande  <sameera.deshpande@arm.com>
12561             Greta Yorsh  <greta.yorsh@arm.com>
12562
12563         * config/arm/arm.md (load_multiple_with_writeback) New define_insn.
12564         (load_multiple, pop_multiple_with_writeback_and_return) Likewise.
12565         (pop_multiple_with_return, ldr_with_return) Likewise.
12566         * config/arm/predicates.md (pop_multiple_return) New special predicate.
12567         * config/arm/arm-protos.h (arm_output_multireg_pop) New declaration.
12568         * config/arm/arm.c (arm_output_multireg_pop) New function.
12569         (arm_emit_multi_reg_pop): New function.
12570
12571 2012-06-18  Greta Yorsh  <Greta.Yorsh@arm.com>
12572
12573         * config/arm/arm.c (ldm_stm_operation_p): Require SP
12574         as base register for loads if SP is in the register list.
12575
12576 2012-06-18  Richard Guenther  <rguenther@suse.de>
12577
12578         PR tree-optimization/53693
12579         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
12580         Reject operands with more than one use.
12581
12582 2012-06-18  Bill Schmidt  <wschmidt@linux.ibm.com>
12583
12584         PR tree-optimization/53703
12585         * tree-ssa-phiopt.c (hoist_adjacent_loads): Skip virtual phis;
12586         correctly set bb_for_def[12].
12587
12588 2012-06-18  Steven Bosscher  <steven@gcc.gnu.org>
12589
12590         * config/vax/vax.h (VMS_TARGET): Remove.
12591
12592 2012-06-18  Richard Guenther  <rguenther@suse.de>
12593
12594         * tree-vrp.c (extract_range_from_assert): Split out range
12595         intersecting code.
12596         (intersect_ranges): New function.
12597         (vrp_intersect_ranges): Likewise.
12598
12599 2012-06-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12600
12601         * config/s390/s390.c (s390_gimplify_va_arg): Revert change from
12602         r187965.
12603
12604 2012-06-18  Tejas Belagod  <tejas.belagod@arm.com>
12605
12606         * doc/md.texi: Document int iterators.
12607         * read-rtl.c (ints): New iterator group.
12608         (find_int): Int iterator group callback.
12609         (apply_int_iterator): Likewise.
12610         (apply_iterators): Traverse int iterator table and add all the used
12611         iterators to list.
12612         (initialize_iterators): Initialize data structures and callbacks for
12613         int iterators.
12614         (read_rtx): Parse and read mappings for int iterators.
12615         (read_rtx_code): Record int iterator usage.
12616
12617 2012-06-18  Richard Sandiford  <rdsandiford@googlemail.com>
12618
12619         PR middle-end/53698
12620         * expr.c (expand_expr_addr_expr_1): Convert to tmode before
12621         performing an addition.
12622
12623 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
12624
12625         * output.h (split_double): Move prototype to rtl.h.
12626         (constructor_static_from_elts_p): Move prototype to tree.c.
12627         * rtl.h (split_double): Moved here from output.h.
12628         * tree.h (constructor_static_from_elts_p): Moved here from output.h.
12629         * final.c (split_double): Move from here ...
12630         * rtlanal.c (split_double): ... to here.
12631         * expr.c: Do not include output.h.
12632
12633 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
12634
12635         * cfglayout.h: Remove.
12636         * cfglayout.c: Remove.
12637         * function.h (struct function): Remove x_last_location field.
12638         * function.c: Do not include cfglayout.h.
12639         (expand_function_start): Do not call no-op force_next_line_note.
12640         (expand_function_end): Likewise.
12641         * cfgrtl.c: Do not include cfglayout.h.  Include gt-cfgrtl.h.
12642         (unlink_insn_chain): Moved here from cfglayout.c.
12643         (skip_insns_after_block, label_for_bb, record_effective_endpoints,
12644         into_cfg_layout_mode, outof_cfg_layout_mode,
12645         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode,
12646         relink_block_chain, fixup_reorder_chain, verify_insn_chain,
12647         fixup_fallthru_exit_predecessor, force_one_exit_fallthru,
12648         cfg_layout_can_duplicate_bb_p, duplicate_insn_chain,
12649         cfg_layout_duplicate_bb, cfg_layout_initialize, break_superblocks,
12650         cfg_layout_finalize): Likewise.
12651         (rtl_can_remove_branch_p): Likewise.
12652         * rtl.h (insn_scope): Move prototype from cfglayout.h here.
12653         (duplicate_insn_chain): Likewise.
12654         (force_next_line_note): Remove prototype.
12655         * emit-rtl.c: Do not include tree-flow.h, egad.  Include vecprim.h.
12656         (last_location): Remove #define to emit.x_last_location.
12657         (force_next_line_note): Remove no-op function.
12658         (init_emit): Don't set x_last_location.
12659         (block_locators_locs, block_locators_blocks, locations_locators_locs,
12660         locations_locators_vals, prologue_locator, epilogue_locator,
12661         curr_location, last_location, curr_block, last_block, curr_rtl_loc):
12662         Move POD to here from cfglayout.c.
12663         (insn_locators_alloc, insn_locators_finalize, insn_locators_free,
12664         set_curr_insn_source_location, get_curr_insn_source_location,
12665         set_curr_insn_block, get_curr_insn_block, curr_insn_locator,
12666         locator_scope, insn_scope, locator_location, locator_line, insn_line,
12667         locator_file, insn_file, locator_eq): Move to here from cfglayout.c.
12668         * cfghooks.h: Remove double-include protection.
12669         (can_copy_bbs_p, copy_bbs): Move prototypes from cfglayout.h to here.
12670         * cfghooks.c (can_copy_bbs_p, copy_bbs): Move to here from cfglayout.c.
12671         * final.c: Do not include cfglayout.h.
12672         (choose_inner_scope, change_scope): Move to here from cfglayout.c.
12673         (reemit_insn_block_notes): Likewise.  Make static.
12674         * tree-flow.h (tree_could_trap_p, operation_could_trap_helper_p,
12675         operation_could_trap_p, tree_could_throw_p): Move from here...
12676         * tree.h: ... to here.
12677         * gengtype.c (open_base_files): Remove cfglayout.h from the list.
12678         * profile.c: Do not include cfghooks.h.
12679         * cfgloopmanip.c: Do not include cfglayout.h and cfghooks.h.
12680         * modulo-sched.c: Likewise.
12681         * loop-unswitch.c: Do not include cfglayout.h.
12682         * sched-ebb.c: Likewise.
12683         * tracer.c: Likewise.
12684         * ddg.c: Likewise.
12685         * tree-vect-loop-manip.c: Likewise.
12686         * loop-init.c: Likewise.
12687         * dwarf2out.c: Likewise.
12688         * hw-doloop.c: Likewise.
12689         * loop-unroll.c: Likewise.
12690         * cfgcleanup.c: Likewise.
12691         * bb-reorder.c: Likewise.
12692         * sched-rgn.c: Likewise.
12693         * tree-cfg.c: Likewise.
12694         * config/alpha/alpha.c: Likewise.
12695         * config/spu/spu.c: Likewise.
12696         * config/sparc/sparc.c: Likewise.
12697         * config/sh/sh.c: Likewise.
12698         * config/c6x/c6x.c: Likewise.
12699         * config/ia64/ia64.c: Likewise.
12700         * config/rs6000/rs6000.c: Likewise.
12701         * config/score/score.c: Likewise.
12702         * config/mips/mips.c: Likewise.
12703         * config/bfin/bfin.c: Likewise.
12704         * Makefile.in (CFGAYOUT_H): Remove, and fixup users.
12705         * config/rs6000/t-rs6000 (rs6000.o): Do not depend on cfglayout.h.
12706         * config/spu/t-spu-elf (spu.o: $): Likewise.
12707         * config/sparc/t-sparc (sparc.o): Do not depend on CFGLAYOUT_H.
12708
12709 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
12710
12711         * cfgloop.h: Do not include rtl.h.
12712         (enum iv_extend_code): New.
12713         (struct rtx_iv): Use iv_extend_code instead of rtx_code.
12714         * Makefile.in (CFGLOOP_H): Do not depend on RTL_H.
12715         * loop-iv.c (iv_extend_to_rtx_code): New function to translate
12716         an IV_EXTEND_CODE to an RTX_CODE.
12717         (dump_iv_info): Update for rtx_iv field type change.
12718         (iv_constant): Likewise.
12719         (iv_subreg): Likewise.
12720         (iv_extend): Likewise.
12721         (iv_neg): Likewise.
12722         (iv_add): Likewise.
12723         (iv_mult): Likewise.
12724         (iv_shift): Likewise.
12725         (get_biv_step_1): Likewise.
12726         (get_biv_step): Likewise.
12727         (iv_analyze_biv): Likewise.
12728         (get_iv_value): Likewise.
12729         (shorten_into_mode): Likewise.
12730         (canonicalize_iv_subregs): Likewise.
12731         * sese.c (sese_build_liveouts): Use MAY_HAVE_DEBUG_STMTS instead
12732         of MAY_HAVE_DEBUG_INSNS.
12733         * tree-ssa-loop-ivopts.c: Include recog.h after expr.h.
12734         * tree-ssa-loop-prefetch.c: Likewise.
12735
12736 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
12737
12738         * expmed.c (ceil_log2): Move from here...
12739         * hwint.c: ... to here for older GCCs...
12740         * hwint.h: ... and here for newer GCCs.
12741         * rtl.h (ceil_log2): Remove prototype.
12742
12743         * tree-phinodes.c: Do not include rtl.h.
12744         * Makefile.in (tree-phinodes.o): Do not depend on RTL_H.
12745
12746 2012-06-17  Steven Bosscher  <steven@gcc.gnu.org>
12747
12748         * config/cris/cris.h (TARGET_ELF): Remove.
12749         (FORCE_EH_FRAME_INFO_IN_DATA_SECTION): Remove.
12750         (CRIS_ASM_OUTPUT_ALIGNED_DECL_COMMON): Simpify using TARGET_ELF==1.
12751         (LOCAL_LABEL_PREFIX): Likewise.
12752         * config/cris/cris.c (cris_target_asm_named_section): Remove.
12753         (cris_option_override): Simpify using TARGET_ELF==1.
12754         (cris_file_start): Likewise.
12755         * config/cris/cris-protos.h (cris_target_asm_named_section): Remove.
12756
12757 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
12758
12759         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
12760
12761 2012-06-16  Eric Botcazou  <ebotcazou@adacore.com>
12762
12763         PR middle-end/53590
12764         * tree-inline.c (initialize_cfun): Copy can_delete_dead_exceptions.
12765
12766 2012-06-15  Easwaran Raman  <eraman@google.com>
12767
12768         * passes.c (init_optimization_passes): Remove pass_call_cdce
12769         from its current position and insert after pass_dce.
12770
12771 2012-06-15  Walter Lee  <walt@tilera.com>
12772
12773         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
12774
12775 2012-06-15  Richard Earnshaw  <rearnsha@arm.com>
12776
12777         * arm.c (note_invalid_constants): Don't return a result.
12778         (arm_memory_load_p): Delete function.
12779         (arm_const_double_rtx): Delete iterator variable i;
12780         (fp_immediate_constant): Likewise.
12781         (fp_const_from_val): Likewise.
12782
12783         * arm.c (arm_init_iwmmxt_builtins): Delete void_ftype_void.
12784
12785 2012-06-15  Marc Glisse  <marc.glisse@inria.fr>
12786
12787         PR c++/51033
12788         * c-typeck.c (c_build_vec_perm_expr): Move to c-family/c-common.c.
12789         * c-tree.h (c_build_vec_perm_expr): Move to c-family/c-common.h.
12790
12791 2012-06-15  Georg-Johann Lay  <avr@gjlay.de>
12792
12793         * config/avr/avr.c (avr_default_expand_builtin): New function.
12794         (avr_expand_builtin): Use it.
12795         (avr_expand_unop_builtin): Remove.
12796         (avr_expand_binop_builtin): Remove.
12797         (avr_expand_triop_builtin): Remove.
12798
12799 2012-06-15  Michael Matz  <matz@suse.de>
12800
12801         PR middle-end/38474
12802         * cfgexpand.c (add_alias_set_conflicts): Remove.
12803         (expand_used_vars): Don't call it.
12804         (aggregate_contains_union_type): Remove.
12805         * function.c (n_temp_slots_in_use): New static data.
12806         (make_slot_available, assign_stack_temp_for_type): Update it.
12807         (init_temp_slots): Zero it.
12808         (remove_unused_temp_slot_addresses): Use it for quicker removal.
12809         (remove_unused_temp_slot_addresses_1): Use htab_clear_slot.
12810
12811 2012-06-15  Michael Matz  <matz@suse.de>
12812
12813         * gimplify.c (gimplify_compound_literal_expr): Take gimple_test_f
12814         argument, don't emit assign statement if value is directly usable.
12815         (gimplify_expr): Adjust.
12816
12817 2012-06-15  Michael Matz  <matz@suse.de>
12818
12819         * gimplify.c (gimplify_modify_expr): Fold generated statements.
12820         * gimple-fold.c (can_refer_decl_in_current_unit_p): Check flag_ltrans.
12821
12822 2012-06-15  Richard Guenther  <rguenther@suse.de>
12823
12824         * tree-vrp.c (set_and_canonicalize_value_range): Use canonical
12825         predicates to set VR_UNDEFINED and VR_VARYING.  Drop a case
12826         we assert for in set_value_range to VR_VARYING.
12827
12828 2012-06-15  Richard Earnshaw  <rearnsha@arm.com>
12829
12830         * arm.md (addsf3, adddf3): Use s_register_operand.
12831         (subsf3, subdf3): Likewise.
12832         (mulsf3, muldf3): Likewise.
12833         (difsf3, divdf3): Likewise.
12834         (movsfcc, movdfcc): Likewise.
12835         * predicates.md (f_register_operand): Delete.
12836         (arm_float_rhs_operand): Delete.
12837         (arm_float_add_operand): Delete.
12838         (arm_float_compare_operand): Use s_register_operand when
12839         there's no VFP.
12840         (cirrus_register_operand): Delete.
12841         (cirrus_fp_register): Delete.
12842         (cirrus_shift_const): Delete.
12843         (cmpdi_operand): Remove Maverick support.
12844         * constraints.md (f, v, H): Delete constraints.
12845         (G): Update documentation.
12846         * arm.c (fp_consts_inited): Convert to bool.
12847         (strings_fp): Delete.
12848         (values_fp): Delete.
12849         (value_fp0): New variable.
12850         (init_fp_table): Simplify logic.
12851         (arm_const_double_rtx): Likewise.
12852         (fp_immediate_constant): Likewise.
12853         (fp_const_from_val): Likewise.
12854         (neg_const_double_rtx_ok_for_fpa): Delete.
12855         * doc/md.texi (ARM constraints): Update documentation.
12856
12857 2012-06-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
12858
12859         PR tree-optimization/53636
12860         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Verify
12861         stride when doing basic-block vectorization.
12862
12863 2012-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
12864
12865         * tree-vect-generic.c (lower_vec_perm): Propagate vector constants
12866         into VEC_PERM_EXPR.
12867
12868 2012-06-15  Jakub Jelinek  <jakub@redhat.com>
12869
12870         * tree-vect-patterns.c (vect_pattern_recog): Don't unnecessarily
12871         allocate and free bbs array for the SLP case.
12872
12873         PR tree-optimization/51581
12874         * expr.h (choose_multiplier): New prototype.
12875         * expmed.c (choose_multiplier): No longer static.
12876         Change multiplier_ptr from rtx * to UHWI *.
12877         (expand_divmod): Adjust callers.
12878         * tree-vect-patterns.c (vect_recog_sdivmod_pow2_pattern): Renamed to...
12879         (vect_recog_divmod_pattern): ... this.  Pass bb_vinfo as last
12880         argument to new_stmt_vec_info.  Attempt to optimize also divisions
12881         by non-pow2 constants if integer vector division isn't supported.
12882         * tree-vect-stmts.c (vect_analyze_stmt): If node != NULL,
12883         don't look at pattern stmts and sequences.
12884
12885 2012-06-15  Eric Botcazou  <ebotcazou@adacore.com>
12886
12887         PR middle-end/53590
12888         * common.opt (-fdelete-dead-exceptions): New switch.
12889         * doc/invoke.texi (Code Gen Options): Document it.
12890         * cse.c (count_reg_usage) <CALL_INSN>: Use !insn_nothrow_p in lieu of
12891         insn_could_throw_p predicate.  Do not skip an insn that could throw
12892         if dead exceptions can be deleted.
12893         (insn_live_p): Likewise, do not return true in that case.
12894         * dce.c (can_alter_cfg): New flag.
12895         (deletable_insn_p): Do not return false for an insn that can throw if
12896         the CFG can be altered and dead exceptions can be deleted.
12897         (init_dce): Set can_alter_cfg to false for fast DCE, true otherwise.
12898         * dse.c (scan_insn): Use !insn_nothrow_p in lieu of insn_could_throw_
12899         predicate. Do not preserve an insn that could throw if dead exceptions
12900         can be deleted.
12901         * function.h (struct function): Add can_delete_dead_exceptions flag.
12902         * function.c (allocate_struct_function): Set it.
12903         * lto-streamer-in.c (input_struct_function_base): Stream it.
12904         * lto-streamer-out.c (input_struct_function_base): Likewise.
12905         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Do not mark a
12906         statement that could throw as necessary if dead exceptions can be
12907         deleted.
12908
12909 2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
12910
12911         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
12912
12913 2012-06-14  Oleg Endo  <olegendo@gcc.gnu.org>
12914
12915         PR target/53568
12916         * config/sh/sh.md: Add peephole for swapbsi2.
12917         (*swapbisi2_and_shl8, *swapbhisi2): New insns and splits.
12918
12919 2012-06-14  Uros Bizjak  <ubizjak@gmail.com>
12920
12921         * config/i386/i386.md (*zero_extendsidi2): Remove x,x alternative.
12922         (*zero_extendsidi2_rex64): Ditto.  Remove isa attribute.
12923
12924 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
12925
12926         PR target/53639
12927         * config/i386/i386.md (*anddi_1 into *andsi_1_zext splitter): New.
12928
12929 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
12930
12931         * arm.c (arm_cirrus_insn_p): Delete.
12932         (cirrus_reorg): Delete.
12933         (arm_reorg): Don't call cirrus_reorg.
12934         (arm_final_prescan_insn_p): Don't check for cirrus insns.
12935         * arm.md (define_attr "type"): Remove mav_farith and mav_dmult.
12936         (adddi3, subdi3): Remove Maverick support.
12937         (arm_adddi3): Likewise.
12938         (adddi_sesidi_di, adddi_zesidi_di): Likewise.
12939         (addsf3, adddf3): Likewise.
12940         (subsf3, subdf3): Likewise.
12941         (mulsf3, muldf3): Likewise.
12942         (ashldi3, ashrdi3, lshrdi3): Likewise.
12943         (floatsisf2, floatsidf2): Likewise.
12944         (fix_truncsfsi2, fix_truncdfsi2): Likewise.
12945         (arm_movdi, thumb1_movdi_insn): Likewise.
12946         (arm_cmpdi_insn): Likewise.
12947         (cirrus_cmpsf, cirrus_cmpdf, cirrus_cmpdi): Likewise.
12948         (cirrus.md): Don't include.
12949         * cirrus.md: Delete file.
12950         * t-arm (MD_INCLUDES): Remove cirrus.md.
12951
12952 2012-06-14  Eric Botcazou  <ebotcazou@adacore.com>
12953
12954         * dwarf2out.c (function_possibly_abstracted_p): New static function.
12955         (gen_subprogram_die): Use it function_possibly_abstracted_p in lieu of
12956         cgraph_function_possibly_inlined_p.
12957         (gen_inlined_subroutine_die): Return if the origin is to be ignored.
12958         (process_scope_var): Do not emit concrete instances of abstracted
12959         nested functions from here.
12960         (gen_decl_die): Emit the abstract instance if the function is possibly
12961         abstracted and not only possibly inlined.
12962         (dwarf2out_finish): Find the first non-abstract parent instance and
12963         attach concrete instances on the limbo list to it.
12964
12965 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
12966
12967         * arm.md (divsf3, divdf3): Remove FPA support.
12968         (negsf2, negdf2): Likewise.
12969         (sqrtsf2, sqrtdf2): Likewise.
12970         (movdfcc): Likewise.
12971         (modsf3, moddf3, movxf): Delete.
12972         (push_fp_multi): Delete.
12973         (fpa.md): Don't include it.
12974         * fpa.md: Delete file.
12975         * t-arm (MD_INCLUDES): Remove fpa.md.
12976
12977 2012-06-14  Bill Schmidt  <wschmidt@linux.ibm.com>
12978
12979         * tree-vectorizer.h (vect_get_stmt_cost): Move from tree-vect-stmts.c.
12980         (cost_for_stmt): Remove decl.
12981         (vect_get_single_scalar_iteration_cost): Correct typo in name.
12982         * tree-vect-loop.c (vect_get_cost): Remove.
12983         (vect_get_single_scalar_iteration_cost): Correct typo in name; use
12984         vect_get_stmt_cost rather than vect_get_cost.
12985         (vect_get_known_peeling_cost): Use vect_get_stmt_cost rather than
12986         vect_get_cost.
12987         (vect_estimate_min_profitable_iters): Correct typo in call to
12988         vect_get_single_scalar_iteration_cost; use vect_get_stmt_cost rather
12989         than vect_get_cost.
12990         (vect_model_reduction_cost): Use vect_get_stmt_cost rather than
12991         vect_get_cost.
12992         (vect_model_induction_cost): Likewise.
12993         * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Correct
12994         typo in call to vect_get_single_scalar_iteration_cost.
12995         * tree-vect-stmts.c (vect_get_stmt_cost): Move to tree-vectorizer.h.
12996         (cost_for_stmt): Remove unnecessary function.
12997         * Makefile.in (TREE_VECTORIZER_H): Update dependencies.
12998
12999 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
13000
13001         * arm.opt (mfp=2, mfp=3, mfpe, mfpe=2, mfpe=3): Delete options.
13002         * arm-fpus.def (fpa, fpe2, fpe3, maverick): Delete FPU types.
13003         * arm-tables.opt: Regenerated.
13004         * doc/invoke.texi: Remove references to deleted options.
13005
13006 2012-06-14  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
13007
13008         * config/h8300/genmova.sh: Modified to add offset bits of
13009         mova/Sz assembly instruction for memory access.
13010         * config/h8300/h8300.c: Likewise.
13011         * config/h8300/mova.md: Likewise.
13012
13013 2012-06-12  Christian Bruel  <christian.bruel@st.com>
13014
13015         PR target/53621
13016         * config/sh/sh.c (sh_option_override): Don't force
13017          flag_omit_frame_pointer and maccumulate_outgoing_args.
13018         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
13019
13020 2012-06-14  Richard Guenther  <rguenther@suse.de>
13021
13022         * tree-vrp.c (VR_INITIALIZER): New define.
13023         (ranges_from_anti_range): New function.
13024         (extract_range_from_binary_expr_1): Decompose operations on
13025         VR_ANTI_RANGEs to operations on VR_RANGE.
13026         (extract_range_from_unary_expr_1): Likewise.
13027         (extract_range_from_binary_expr_1, extract_range_from_binary_expr,
13028         extract_range_from_unary_expr_1, extract_range_from_unary_expr,
13029         extract_range_from_cond_expr, adjust_range_with_scev,
13030         vrp_visit_assignment_or_call, vrp_visit_phi_node,
13031         simplify_bit_ops_using_ranges): Use VR_INITIALIZER.
13032
13033 2012-06-13  Richard Henderson  <rth@redhat.com>
13034
13035         * hwint.h (HOST_WIDEST_INT_C): New.
13036         (HOST_WIDE_INT_C): New.
13037         (HOST_WIDE_INT_1): Use it.
13038         * config/alpha/alpha.c (alpha_trampoline_init): Use it.
13039
13040 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
13041
13042         PR debug/49888
13043         * var-tracking.c: Include alias.h.
13044         (overlapping_mems): New struct.
13045         (drop_overlapping_mem_locs): New.
13046         (clobber_overlapping_mems): New.
13047         (var_mem_delete_and_set, var_mem_delete): Call it.
13048         (val_bind): Likewise, but only if modified.
13049         (compute_bb_dataflow, emit_notes_in_bb): Call it on MEMs.
13050         * Makefile.in (var-tracking.o): Depend in $(ALIAS_H).
13051
13052 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
13053
13054         PR debug/47624
13055         * var-tracking.c (loc_exp_dep_pool): New.
13056         (vt_emit_notes): Create and release the pool.
13057         (compute_bb_dataflow): Use value-based locations in MO_VAL_SET.
13058         (emit_notes_in_bb): Likewise.
13059         (loc_exp_dep_insert): Deal with NOT_ONEPART vars.
13060         (notify_dependents_of_changed_value): Likewise.
13061         (notify_dependents_of_resolved_value): Check that NOT_ONEPART
13062         variables don't have a VAR_LOC_DEP_LST.
13063         (emit_note_insn_var_location): Expand NOT_ONEPART locs that are
13064         VALUEs or MEMs of VALUEs.
13065
13066 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
13067
13068         PR debug/52983
13069         PR debug/48866
13070         * dce.c (word_dce_process_block): Insert debug temps only if the
13071         insn is not marked.
13072         (dce_process_block): Likewise, and if debug.used is not empty,
13073         and only after iterating over all DEFs that might mark the insn.
13074
13075 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
13076
13077         * common.opt (ftree-coalesce-inlined-vars): New.
13078         (ftree-coalesce-vars): New.
13079         * doc/invoke.texi: Document them.
13080         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
13081         Implement them.
13082
13083 2012-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
13084
13085         * read-rtl.c (mapping): Remove index field.  Add current_value field.
13086         Define heap vectors.
13087         (iterator_group): Fix long line.  Remove num_builtins field and
13088         uses_iterator fields.  Make apply_iterator take a void * parameter.
13089         (iterator_use, atttribute_use): New structures.
13090         (iterator_traverse_data, BELLWETHER_CODE, bellwether_codes): Delete.
13091         (current_iterators, iterator_uses, attribute_uses): New variables.
13092         (uses_mode_iterator_p, uses_code_iterator_p): Delete.
13093         (apply_mode_iterator, apply_code_iterator): Take a void * parameter.
13094         (map_attr_string, apply_iterator_to_string): Remove iterator
13095         and value parameters.  Look through all current iterator values
13096         for a matching attribute.
13097         (mode_attr_index, apply_mode_maps): Delete.
13098         (apply_iterator_to_rtx): Replace with...
13099         (copy_rtx_for_iterators): ...this new function.
13100         (uses_iterator_p, apply_iterator_traverse): Delete.
13101         (apply_attribute_uses, add_current_iterators, apply_iterators): New
13102         functions.
13103         (add_mapping): Remove index field.  Set current_value field.
13104         (initialize_iterators): Don't set num_builtins and uses_iterator_p
13105         fields.
13106         (find_iterator): Delete.
13107         (record_iterator_use, record_attribute_use): New functions.
13108         (record_potential_iterator_use): New function.
13109         (check_code_iterator): Remove handling of bellwether codes.
13110         (read_rtx): Remove mode maps.  Truncate iterator and attribute uses.
13111         (read_rtx_code, read_nested_rtx, read_rtx_variadic): Remove mode_maps
13112         parameter.  Use the first code iterator value instead of the
13113         bellwether_codes array.  Use record_potential_iterator_use for modes.
13114
13115 2012-06-13  Oleg Endo  <olegendo@gcc.gnu.org>
13116
13117         PR target/53568
13118         * config/sh/sh.md (bswapsi2): New expander.
13119         (swapbsi2): New insn.
13120
13121 2012-06-13  H.J. Lu  <hongjiu.lu@intel.com>
13122
13123         PR target/53647
13124         * config/i386/i386.c (ix86_tune_cost): New variable.
13125         (ix86_option_override_internal): Set ix86_tune_cost.  Use
13126         ix86_tune_cost for simultaneous_prefetches, prefetch_block,
13127         l1_cache_size and l2_cache_size.
13128
13129 2012-06-13  Richard Guenther  <rguenther@suse.de>
13130
13131         * tree-vrp.c (vrp_meet): Properly meet equivalent ranges.
13132         Handle meeting two VR_RANGE to an VR_ANTI_RANGE.  Implement
13133         all possible meetings of VR_RANGE with VR_ANTI_RANGE and
13134         VR_ANTI_RANGE with VR_ANTI_RANGE.
13135
13136 2012-06-13  Richard Earnshaw  <rearnsha@arm.com>
13137
13138         * config.gcc (unsupported): Move obsoleted FPA-based configurations
13139         here from ...
13140         (obsolete): ... here.
13141         (arm*-*-freebsd*): Remove.
13142         (arm*-*-linux*): Only accept EABI variants.  Simplify logic.
13143         (arm*-*-uclinux*): Likewise.
13144         (arm*-*-ecos-elf): Remove.
13145         (arm*-*-rtems*): Remove.
13146         (arm*-*-elf): Remove.
13147         (arm*-wince-pe*): Remove.
13148         (arm, --with-fpu): Remove support for fpa and Maverick variants.
13149         * arm/ecos-elf.h: Delete.
13150         * arm/t-strongarm-elf: Delete.
13151         * arm/rtems-elf.h: Delete.
13152         * arm/wince-pe.h: Delete.
13153         * arm/pe.c: Delete.
13154         * arm/pe.h: Delete.
13155         * arm/t-wince-pe: Delete.
13156
13157 2012-06-13  Bill Schmidt  <wschmidt@linux.ibm.com>
13158
13159         PR tree-optimization/53647
13160         * tree-ssa-phiopt.c (gate_hoist_loads): Skip transformation for
13161         targets with no defined cache line size.
13162
13163 2012-06-13  Bill Schmidt  <wschmidt@linux.ibm.com>
13164
13165         * targhooks.c (default_builtin_vectorized_conversion): Handle
13166         vec_construct, using vectype to base cost on subparts.
13167         * target.h (enum vect_cost_for_stmt): Add vec_construct.
13168         * tree-vect-stmts.c (vect_model_load_cost): Use vec_construct
13169         instead of scalar_to-vec.
13170         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
13171         vec_construct in same way as default for now.
13172         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
13173         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
13174         Handle vec_construct, including special case for 32-bit loads.
13175
13176 2012-06-13  Xinyu Qi <xyqi@marvell.com>
13177
13178         * config/arm/arm.c (FL_IWMMXT2): New define.
13179         (arm_arch_iwmmxt2): New variable.
13180         (arm_option_override): Enable use of iWMMXt with VFP.
13181         Disable use of iWMMXt with NEON. Disable use of iWMMXt under
13182         Thumb mode. Set arm_arch_iwmmxt2.
13183         (arm_expand_binop_builtin): Accept VOIDmode op.
13184         (enum arm_builtins): Revise built-in fcode.
13185         (IWMMXT2_BUILTIN): New define.
13186         (IWMMXT2_BUILTIN2): Likewise.
13187         (iwmmx2_mbuiltin): Likewise.
13188         (builtin_description bdesc_2arg): Revise built in declaration.
13189         (builtin_description bdesc_1arg): Likewise.
13190         (arm_init_iwmmxt_builtins): Revise built in initialization.
13191         (arm_expand_builtin): Revise built in expansion.
13192         (arm_output_iwmmxt_shift_immediate): New function.
13193         (arm_output_iwmmxt_tinsr): Likewise.
13194         * config/arm/arm-protos.h (arm_output_iwmmxt_shift_immediate): Declare.
13195         (arm_output_iwmmxt_tinsr): Likewise.
13196         * config/arm/iwmmxt.md (WCGR0, WCGR1, WCGR2, WCGR3): New constant.
13197         (iwmmxt_psadbw, iwmmxt_walign, iwmmxt_tmrc, iwmmxt_tmcr): Delete.
13198         (rorv4hi3, rorv2si3, rordi3): Likewise.
13199         (rorv4hi3_di, rorv2si3_di, rordi3_di): Likewise.
13200         (ashrv4hi3_di, ashrv2si3_di, ashrdi3_di): Likewise.
13201         (lshrv4hi3_di, lshrv2si3_di, lshrdi3_di): Likewise.
13202         (ashlv4hi3_di, ashlv2si3_di, ashldi3_di): Likewise.
13203         (iwmmxt_tbcstqi, iwmmxt_tbcsthi, iwmmxt_tbcstsi): Likewise
13204         (*iwmmxt_clrv8qi, *iwmmxt_clrv4hi, *iwmmxt_clrv2si): Likewise.
13205         (tbcstv8qi, tbcstv4hi, tbsctv2si): New pattern.
13206         (iwmmxt_clrv8qi, iwmmxt_clrv4hi, iwmmxt_clrv2si): Likewise.
13207         (*and<mode>3_iwmmxt, *ior<mode>3_iwmmxt, *xor<mode>3_iwmmxt): Likewise.
13208         (ror<mode>3, ror<mode>3_di): Likewise.
13209         (ashr<mode>3_di, lshr<mode>3_di, ashl<mode>3_di): Likewise.
13210         (ashli<mode>3_iwmmxt, iwmmxt_waligni, iwmmxt_walignr): Likewise.
13211         (iwmmxt_walignr0, iwmmxt_walignr1): Likewise.
13212         (iwmmxt_walignr2, iwmmxt_walignr3): Likewise.
13213         (iwmmxt_setwcgr0, iwmmxt_setwcgr1): Likewise.
13214         (iwmmxt_setwcgr2, iwmmxt_setwcgr3): Likewise.
13215         (iwmmxt_getwcgr0, iwmmxt_getwcgr1): Likewise.
13216         (iwmmxt_getwcgr2, iwmmxt_getwcgr3): Likewise.
13217         (All instruction patterns): Add wtype attribute.
13218         (*iwmmxt_arm_movdi, *iwmmxt_movsi_insn): iWMMXt coexist with vfp.
13219         (iwmmxt_uavgrndv8qi3, iwmmxt_uavgrndv4hi3): Revise the pattern.
13220         (iwmmxt_uavgv8qi3, iwmmxt_uavgv4hi3): Likewise.
13221         (ashr<mode>3_iwmmxt, ashl<mode>3_iwmmxt, lshr<mode>3_iwmmxt): Likewise.
13222         (iwmmxt_tinsrb, iwmmxt_tinsrh, iwmmxt_tinsrw):Likewise.
13223         (eqv8qi3, eqv4hi3, eqv2si3, gtuv8qi3): Likewise.
13224         (gtuv4hi3, gtuv2si3, gtv8qi3, gtv4hi3, gtv2si3): Likewise.
13225         (iwmmxt_wunpckihh, iwmmxt_wunpckihw, iwmmxt_wunpckilh): Likewise.
13226         (iwmmxt_wunpckilw, iwmmxt_wunpckehub, iwmmxt_wunpckehuh): Likewise.
13227         (iwmmxt_wunpckehuw, iwmmxt_wunpckehsb, iwmmxt_wunpckehsh): Likewise.
13228         (iwmmxt_wunpckehsw, iwmmxt_wunpckelub, iwmmxt_wunpckeluh): Likewise.
13229         (iwmmxt_wunpckeluw, iwmmxt_wunpckelsb, iwmmxt_wunpckelsh): Likewise.
13230         (iwmmxt_wunpckelsw, iwmmxt_wmadds, iwmmxt_wmaddu): Likewise.
13231         (iwmmxt_wsadb, iwmmxt_wsadh, iwmmxt_wsadbz, iwmmxt_wsadhz): Likewise.
13232         (iwmmxt2.md): Include.
13233         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __IWMMXT2__.
13234         (TARGET_IWMMXT2): New define.
13235         (TARGET_REALLY_IWMMXT2): Likewise.
13236         (arm_arch_iwmmxt2): Declare.
13237         * config/arm/mmintrin.h: Use __IWMMXT__ to enable iWMMXt intrinsics.
13238         Use __IWMMXT2__ to enable iWMMXt2 intrinsics.
13239         Use C name-mangling for intrinsics.
13240         (__v8qi): Redefine.
13241         (_mm_cvtsi32_si64, _mm_andnot_si64, _mm_sad_pu8): Revise.
13242         (_mm_sad_pu16, _mm_align_si64, _mm_setwcx, _mm_getwcx): Likewise.
13243         (_m_from_int): Likewise.
13244         (_mm_sada_pu8, _mm_sada_pu16): New intrinsic.
13245         (_mm_alignr0_si64, _mm_alignr1_si64, _mm_alignr2_si64): Likewise.
13246         (_mm_alignr3_si64, _mm_tandcb, _mm_tandch, _mm_tandcw): Likewise.
13247         (_mm_textrcb, _mm_textrch, _mm_textrcw, _mm_torcb): Likewise.
13248         (_mm_torch, _mm_torcw, _mm_tbcst_pi8, _mm_tbcst_pi16): Likewise.
13249         (_mm_tbcst_pi32): Likewise.
13250         (_mm_abs_pi8, _mm_abs_pi16, _mm_abs_pi32): New iWMMXt2 intrinsic.
13251         (_mm_addsubhx_pi16, _mm_absdiff_pu8, _mm_absdiff_pu16): Likewise.
13252         (_mm_absdiff_pu32, _mm_addc_pu16, _mm_addc_pu32): Likewise.
13253         (_mm_avg4_pu8, _mm_avg4r_pu8, _mm_maddx_pi16, _mm_maddx_pu16): Likewise.
13254         (_mm_msub_pi16, _mm_msub_pu16, _mm_mulhi_pi32): Likewise.
13255         (_mm_mulhi_pu32, _mm_mulhir_pi16, _mm_mulhir_pi32): Likewise.
13256         (_mm_mulhir_pu16, _mm_mulhir_pu32, _mm_mullo_pi32): Likewise.
13257         (_mm_qmulm_pi16, _mm_qmulm_pi32, _mm_qmulmr_pi16): Likewise.
13258         (_mm_qmulmr_pi32, _mm_subaddhx_pi16, _mm_addbhusl_pu8): Likewise.
13259         (_mm_addbhusm_pu8, _mm_qmiabb_pi32, _mm_qmiabbn_pi32): Likewise.
13260         (_mm_qmiabt_pi32, _mm_qmiabtn_pi32, _mm_qmiatb_pi32): Likewise.
13261         (_mm_qmiatbn_pi32, _mm_qmiatt_pi32, _mm_qmiattn_pi32): Likewise.
13262         (_mm_wmiabb_si64, _mm_wmiabbn_si64, _mm_wmiabt_si64): Likewise.
13263         (_mm_wmiabtn_si64, _mm_wmiatb_si64, _mm_wmiatbn_si64): Likewise.
13264         (_mm_wmiatt_si64, _mm_wmiattn_si64, _mm_wmiawbb_si64): Likewise.
13265         (_mm_wmiawbbn_si64, _mm_wmiawbt_si64, _mm_wmiawbtn_si64): Likewise.
13266         (_mm_wmiawtb_si64, _mm_wmiawtbn_si64, _mm_wmiawtt_si64): Likewise.
13267         (_mm_wmiawttn_si64, _mm_merge_si64): Likewise.
13268         (_mm_torvscb, _mm_torvsch, _mm_torvscw): Likewise.
13269         (_m_to_int): New define.
13270         * config/arm/arm-cores.def (iwmmxt2): Add FL_IWMMXT2.
13271         * config/arm/arm-arches.def (iwmmxt2): Likewise.
13272         * config/arm/t-arm (MD_INCLUDES): Add marvell-f-iwmmxt.md and
13273         iwmmxt2.md.
13274         * config/arm/arm.md (marvell-f-iwmmxt.md): Include.
13275         (arch): Add "iwmmxt2".
13276         (arch_enabled): Handle "iwmmxt2".
13277         (wtype): New attribute.
13278         (UNSPEC_WMADDS, UNSPEC_WMADDU): Delete.
13279         (UNSPEC_WALIGNI): New unspec.
13280         * config/arm/predicates.md (imm_or_reg_operand): New predicate.
13281         * config/arm/iterators.md (VMMX2): New mode_iterator.
13282         * config/arm/marvell-f-iwmmxt.md: New file.
13283         * config/arm/iwmmxt2.md: New file.
13284
13285 2012-06-12  Jakub Jelinek  <jakub@redhat.com>
13286
13287         PR c/53532
13288         PR c/51034
13289         PR c/53196
13290         * c-decl.c (build_compound_literal): Call c_incomplete_type_error
13291         if type isn't complete.
13292
13293 2012-06-12  Uros Bizjak  <ubizjak@gmail.com>
13294
13295         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
13296
13297 2012-06-12  Richard Henderson  <rth@redhat.com>
13298
13299         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
13300         iterator instead of INT.
13301
13302 2012-06-12  Bill Schmidt  <wschmidt@linux.ibm.com>
13303
13304         * opts.c: Add -fhoist-adjacent-loads to -O2 and above.
13305         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Add argument to forward
13306         declaration.
13307         (hoist_adjacent_loads, gate_hoist_loads): New forward declarations.
13308         (tree_ssa_phiopt): Call gate_hoist_loads.
13309         (tree_ssa_cs_elim): Add parm to tree_ssa_phiopt_worker call.
13310         (tree_ssa_phiopt_worker): Add do_hoist_loads to formal arg list; call
13311         hoist_adjacent_loads.
13312         (local_mem_dependence): New function.
13313         (hoist_adjacent_loads): Likewise.
13314         (gate_hoist_loads): Likewise.
13315         * common.opt (fhoist-adjacent-loads): New switch.
13316         * Makefile.in (tree-ssa-phiopt.o): Added dependencies.
13317
13318 2012-06-12  Michael Matz  <matz@suse.de>
13319
13320         * alias.c (nonoverlapping_component_refs_p): Take two rtx arguments.
13321         (nonoverlapping_memrefs_p): Don't call it here ...
13322         (true_dependence_1): ... but here.
13323
13324 2012-06-12  Richard Guenther  <rguenther@suse.de>
13325
13326         * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove dead code.
13327         * alias.c (ao_ref_from_mem): MEM_EXPR is conservative, MEM_OFFSET
13328         and MEM_SIZE only refines it.  Reflect that and be less conservative
13329         if either of the latter is not known.
13330
13331 2012-06-12  Jakub Jelinek  <jakub@redhat.com>
13332
13333         PR rtl-optimization/53589
13334         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
13335         discovery even when e->dest != target.  If any LABEL_REF points
13336         to e->dest label, redirect it to target's label.
13337
13338 2012-06-12  Chung-Lin Tang  <cltang@codesourcery.com>
13339
13340         * config/sh/sh.c (output_stack_adjust): Remove !epilogue_p
13341         condition for generating REG_FRAME_RELATED_EXPR note.
13342         (pop): Add code for generating REG_CFA_RESTORE,
13343         REG_CFA_ADJUST_CFA notes. Set RTX_FRAME_RELATED_P to 1.
13344         (sh_expand_epilogue): Use frame_insn() for FP to SP move.
13345         Set 'frame_p' of calls to output_stack_adjust() to 'true'.
13346
13347 2012-06-11  Richard Henderson  <rth@redhat.com>
13348
13349         * config/alpha/alpha.c (HWI_HEX2): Add missing shift.
13350         * vmsdbgout.c (VMS_EPOCH_OFFSET): Add LL suffix.
13351
13352         * config/alpha/alpha.c (alpha_trampoline_init): Split large constants.
13353
13354 2012-06-12  Hans-Peter Nilsson  <hp@axis.com>
13355
13356         * doc/tm.texi.in (Addressing Modes) <TARGET_LEGITIMIZE_ADDRESS>:
13357         Mention that this hook needs to be defined for native TLS.
13358         * doc/tm.texi: Regenerate.
13359
13360 2012-06-11  Mike Stump  <mikestump@comcast.net>
13361
13362         * emit-rtl.c (init_emit_once): Iterate through the
13363         MODE_PARTIAL_INT modes with MIN_MODE_PARTIAL_INT and
13364         MAX_MODE_PARTIAL_INT, as GET_MODE_WIDER_MODE doesn't step through
13365         all the MIN_MODE_PARTIAL_INT modes anymore.
13366
13367 2012-06-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
13368
13369         * gcc/config/mips/mips-tables.opt (xlp): Fix merge typo.
13370
13371 2012-06-11  Roland McGrath  <mcgrathr@google.com>
13372
13373         * dwarf2out.c (const_ok_for_output_1): Detect a TLS UNSPEC using
13374         SYMBOL_REF_TLS_MODEL rather than DECL_THREAD_LOCAL_P, in case it's
13375         not a VAR_DECL.  Also don't limit it to UNSPECs with exactly one
13376         operand.
13377
13378 2012-06-11  Oleg Endo  <olegendo@gcc.gnu.org>
13379
13380         PR target/53511
13381         * config/sh/sh.md (fmasf4): New expander.
13382         (*macsf3): Rename to fmasf4_i.  Adapt to fma pattern.
13383         (mac_media): Rename to fmasf4_media.  Adapt to fma pattern.
13384         * config/sh/sh.opt (mfused-madd): Remove.
13385         * config/sh/sh.c (sh_option_override): Remove mfused-madd handling.
13386         (builtin_description bdesc): Remove __builtin_sh_media_FMAC_S.
13387         * config.gcc (sh[123456789lbe]*-*-* | sh-*-*): Add fused-madd.opt
13388         as extra options.
13389         * doc/invoke.texi (SH Options): Update mfused-madd and mno-fused-madd
13390         descriptions.
13391
13392 2012-06-11  Richard Henderson  <rth@redhat.com>
13393
13394         * dwarf2cfi.c (scan_trace): Handle annulled branch-taken delay slots.
13395
13396 2012-06-11  Richard Guenther  <rguenther@suse.de>
13397
13398         PR middle-end/53470
13399         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
13400         replace it with the first non-BLOCK context.
13401
13402 2012-06-11  Richard Guenther  <rguenther@suse.de>
13403
13404         * alias.c (aliases_everything_p): Remove.
13405         (DIFFERENT_ALIAS_SETS_P): Likewise.
13406         (true_dependence_1): Use mems_in_disjoint_alias_sets_p directly.
13407         Do not use aliases_everything_p or special-case ANDs.  Do not
13408         special-case BLKmode moves.
13409         (may_alias_p): Likewise.  Handle BLKmode similar like everywhere
13410         - for SCATCH only.
13411
13412 2012-06-09  Hans-Peter Nilsson  <hp@axis.com>
13413
13414         Fix CRIS build errors with --enable-build-with-cxx.
13415         * config/cris/cris.c (cris_emit_trap_for_misalignment): Rename
13416         variable "and" to "andop".
13417         * config/cris/sync.md ("atomic_fetch_<atomic_op_name><mode>"): Use
13418         temporary variable for memory model, passing C++-type-correct
13419         parameter type to expand_mem_thread_fence.
13420         ("atomic_compare_and_swap<mode>"): Ditto.
13421
13422 2012-06-09  Richard Henderson  <rth@redhat.com>
13423
13424         PR c++/53602
13425         * cfgcleanup.c (execute_jump): Rename from rest_of_handle_jump2.
13426         (pass_jump): Rename from pass_jump2.
13427         (execute_jump2, pass_jump2): New.
13428         * combine-stack-adj.c (rest_of_handle_stack_adjustments): Don't
13429         perform cfg cleanup here.  Move the test of PUSH_ROUNDING
13430         and ACCUMULATE_OUTGOING_ARGS test...
13431         (gate_handle_stack_adjustments): ... here.
13432         * passes.c (init_optimization_passes): Update for pass_jump2 rename.
13433         Place new pass_jump2 after pass_stack_adjustments.
13434         * tree-pass.h (pass_jump): Declare.
13435
13436 2012-06-09  Kenneth Zadeck <zadeck@naturalbridge.com>
13437
13438         * simplify-rtx.c (simplify_const_binary_operation): Fixed shift
13439         count trucation.
13440
13441 2012-06-08  Richard Henderson  <rth@redhat.com>
13442
13443         PR c++/53602
13444         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
13445         note to a clobber insn when no other insn is available.
13446
13447 2012-06-08  Georg-Johann Lay  <avr@gjlay.de>
13448
13449         * config/avr/avr.c (avr_case_values_threshold): Return 7.
13450
13451 2012-06-07  Andreas Schwab  <schwab@linux-m68k.org>
13452
13453         * genhooks.c (main): Set progname.
13454         (emit_documentation): Remove variable found_start, always bail out
13455         when a place is missing.
13456         * doc/tm.texi.in (C++ ABI): Add @hook TARGET_CXX_DECL_MANGLING_CONTEXT.
13457
13458 2012-06-07  Jakub Jelinek  <jakub@redhat.com>
13459
13460         PR middle-end/53580
13461         * omp-low.c (scan_omp): Change first argument to gimple_seq *,
13462         call walk_gimple_seq_mod instead of walk_gimple_seq.
13463         (scan_sharing_clauses, scan_omp_parallel, scan_omp_task,
13464         scan_omp_for, scan_omp_sections, scan_omp_single,
13465         execute_lower_omp): Adjust callers.
13466         (scan_omp_1_stmt): Likewise.  If check_omp_nesting_restrictions
13467         returns false, replace stmt with GIMPLE_NOP.
13468         (check_omp_nesting_restrictions): Instead of issuing warnings,
13469         issue errors and return false if any errors were reported.
13470
13471 2012-06-06  Steven Bosscher  <steven@gcc.gnu.org>
13472
13473         * doc/invoke.texi (fconserve-space): Remove documentation.
13474
13475 2012-06-06  Edmar Wienskoski  <edmar@freescale.com>
13476
13477         * config/rs6000/rs6000-tables.opt: Regenerated.
13478
13479 2012-06-06  Richard Guenther  <rguenther@suse.de>
13480
13481         PR tree-optimization/53081
13482         * tree-data-ref.h (adjacent_store_dr_p): Rename to ...
13483         (adjacent_dr_p): ... this and make it work for reads, too.
13484         * tree-loop-distribution.c (enum partition_kind): Add PKIND_MEMCPY.
13485         (struct partition_s): Change main_stmt to main_dr, add
13486         secondary_dr member.
13487         (build_size_arg_loc): Change to date data-reference and not
13488         gimplify here.
13489         (build_addr_arg_loc): New function split out from ...
13490         (generate_memset_builtin): ... here.  Use it and simplify.
13491         (generate_memcpy_builtin): New function.
13492         (generate_code_for_partition): Adjust.
13493         (classify_partition): Streamline pattern detection.  Detect memcpy.
13494         (ldist_gen): Adjust.
13495         (tree_loop_distribution): Adjust seed statements for memcpy
13496         recognition.
13497
13498 2012-06-06  Matt Turner  <mattst88@gmail.com>
13499
13500         * config/arm/mmintrin.h (_mm_empty): New.
13501         (_m_empty): New.
13502
13503 2012-06-06  Richard Sandiford  <r.sandiford@uk.ibm.com>
13504
13505         * doc/invoke.texi (sched-pressure-algorithm): Document new --param.
13506         * common.opt (fsched-pressure-algorithm=): Remove.
13507         * flag-types.h (sched_pressure_algorithm): Move to...
13508         * sched-int.h (sched_pressure_algorithm): ...here.
13509         * params.def (sched-pressure-algorithm): New param.
13510         * haifa-sched.c (sched_init): Use it to initialize sched_pressure.
13511         * common/config/s390/s390-common.c (s390_option_optimization_table):
13512         Remove OPT_fsched_pressure_algorithm_ entry.
13513         * config/s390/s390.c (s390_option_override): Set a default value for
13514         PARAM_SCHED_PRESSURE_ALGORITHM.
13515
13516 2012-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
13517
13518         PR target/53487
13519         * config/rs6000/rs6000.c (rs6000_generate_compare): If we are
13520         doing an unsigned compare, make sure the second argument is not a
13521         negative constant.
13522         (rs6000_emit_cmove): Don't allow floating point comparisons when
13523         generating ISEL moves.
13524
13525 2012-06-05  Edmar Wienskoski  <edmar@freescale.com>
13526
13527         * config/rs6000/e5500.md: New file.
13528         * config/rs6000/e6500.md: New file.
13529         * config/rs6000/rs6000.c (processor_costs): Add new costs for
13530         e5500 and e6500.
13531         (rs6000_option_override_internal): Altivec and Spe options not
13532         allowed with e5500. Spe options not allowed with e6500. Increase
13533         move inline limit for e5500 and e6500. Disable string instructions
13534         for e5500 and e6500. Enable branch targets alignment for e5500 and
13535         e6500. Initialize rs6000_cost for e5500 and e6500.
13536         (rs6000_adjust_cost): Add extra scheduling cycles between compare
13537         and brnach for e5500 and e6500.
13538         (rs6000_issue_rate): Set issue rate for e5500 and e6500.
13539         * config/rs6000/rs6000-cpus.def: Add cpu definitions for e5500 and
13540         e6500.
13541         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add e5500 and e6500.
13542         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce5500 and
13543         ppce6500.
13544         Include e5500.md and e6500.md.
13545         * config/rs6000/rs6000-opt.h (processor_type): Add
13546         PROCESSOR_PPCE5500 and PROCESSOR_PPCE6500.
13547         * config.gcc (cpu_is_64bit): Add new cores e5500, e6500.
13548         (powerpc*-*-*): Add new cores e5500, e6500.
13549         * doc/invoke.texi: (item -mcpu): Add e5500 and e6500 to list of cpus.
13550
13551 2012-06-05  Richard Guenther  <rguenther@suse.de>
13552
13553         * tree-vect-data-refs.c (vect_analyze_data_refs): Fix last change.
13554
13555 2012-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13556
13557         PR target/53575
13558         * config.gcc: Select x32 run-time library if --with-abi={x32|mx32}
13559         is used for x86_64-*-*.
13560
13561 2012-06-05  Richard Guenther  <rguenther@suse.de>
13562
13563         PR tree-optimization/30442
13564         * tree-vect-data-refs.c (vect_analyze_data_refs): For basic-block
13565         vectorization stop analysis at the first stmt we cannot compute
13566         a data-reference for instead of giving up completely.
13567
13568 2012-06-05  Richard Guenther  <rguenther@suse.de>
13569
13570         * tree-loop-distribution.c (struct partition_s): Add has_writes member.
13571         (partition_alloc): Initialize it.
13572         (partition_has_writes): New function.
13573         (rdg_flag_uses): Adjust.
13574         (rdg_flag_vertex): Likewise.
13575         (rdg_flag_vertex_and_dependent): Likewise.
13576         (rdg_flag_loop_exits): Likewise.
13577         (build_rdg_partition_for_component): Likewise.
13578         (rdg_build_partitions): Likewise.
13579
13580 2012-06-05  Richard Guenther  <rguenther@suse.de>
13581
13582         PR tree-optimization/53081
13583         * tree-loop-distribution.c (generate_memset_builtin): Handle all
13584         kinds of byte-sized stores.
13585         (classify_partition): Likewise.
13586         (tree_loop_distribution): Adjust seed statements used for
13587         !flag_tree_loop_distribution.
13588
13589 2012-06-05  Alan Modra  <amodra@gmail.com>
13590
13591         * config/rs6000/rs6000.c (ptr_regno_for_savres): Comment.
13592         (rs6000_emit_prologue): Ensure register used for inline saves
13593         of vector regs is not the static chain register.  Revise comment.
13594
13595 2012-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
13596
13597         * doc/md.texi (Standard Pattern Names For Generation): Document
13598         sincos pattern.
13599
13600 2012-06-04  H.J. Lu  <hongjiu.lu@intel.com>
13601
13602         PR bootstrap/53555
13603         * config/i386/i386.c (ix86_sched_reorder) Skip debug insns.
13604
13605 2012-06-04  Jason Merrill  <jason@redhat.com>
13606
13607         * dwarf2out.c (is_unit_die): New.
13608         (copy_declaration_context, copy_ancestor_tree): Use it.
13609         (copy_decls_walk): Likewise.
13610
13611 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
13612
13613         PR c++/53524
13614         * doc/invoke.texi (Wenum-compare): Update documentation.
13615
13616 2012-06-04  Dodji Seketeli  <dodji@redhat.com>
13617
13618         PR preprocessor/53463
13619         * parser.c (cp_parser_assignment_expression): Use the location
13620         for the '=' as the default location for the expression.
13621
13622 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
13623
13624         PR target/53559
13625         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
13626         operands.
13627         (altivec_stvlxl): Ditto.
13628         (altivec_stvrx): Ditto.
13629         (altivec_stvrxl): Ditto.
13630
13631 2012-06-04  Vladimir Makarov  <vmakarov@redhat.com>
13632
13633         * ira-int.h (struct target_ira_int): Add member x_ira_uniform_class_p.
13634         (ira_uniform_class_p): New macro.
13635
13636         * ira.c (setup_uniform_class_p): New function.
13637         (setup_allocno_and_important_classes): Call the function.
13638         (print_unform_and_important_classes): New function.
13639         (print_classes): Rename to print_translated_classes.
13640         (ira_debug_allocno_classes): Add call of
13641         print_unform_and_important_classes.
13642
13643         * ira-costs.c (setup_regno_cost_classes_by_aclass): Use uniform
13644         classes instead of pressure classes.
13645
13646 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
13647
13648         PR middle-end/47530
13649         * trans-mem.c (expand_block_edges): Do not skip the first
13650         statement when resetting the BB.
13651
13652 2012-06-04  Richard Guenther  <rguenther@suse.de>
13653
13654         * tree-data-ref.c (stores_from_loop): Remove.
13655         (stmt_with_adjacent_zero_store_dr_p): Likewise.
13656         (stores_zero_from_loop): Likewise.
13657         * tree-data-ref.h (stores_from_loop, stores_zero_from_loop,
13658         stmt_with_adjacent_zero_store_dr_p, stride_of_unit_type_p): Remove.
13659         (adjacent_store_dr_p): New function.
13660         * tree-loop-distribution.c (generate_memset_builtin): Pass
13661         the RDG, use the already available data-reference.
13662         (generate_code_for_partition): Pass down RDG.
13663         (classify_partition): Inline parts of the former
13664         stmt_with_adjacent_zero_store_dr_p here and use adjacent_store_dr_p.
13665         (ldist_gen): Remember if there was any detected builtin and
13666         do less work if not and flag_tree_loop_distribution is not set.
13667         (tree_loop_distribution): Inline and fuse stores_from_loop
13668         and stores_zero_from_loop here.
13669
13670 2012-06-04  Richard Guenther  <rguenther@suse.de>
13671
13672         PR middle-end/53471
13673         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
13674         create new assembler names.
13675
13676 2012-06-04  Richard Guenther  <rguenther@suse.de>
13677
13678         * tree-data-ref.c (struct rdg_vertex_info): Remove.
13679         (rdg_vertex_for_stmt): Simplify using gimple_uid.
13680         (create_rdg_vertices): Pass loop argument, remove stmt to RDG index
13681         hashtable.  Record stmt data-references.
13682         (hash_stmt_vertex_info): Remove.
13683         (eq_stmt_vertex_info): Likewise.
13684         (hash_stmt_vertex_del): Likewise.
13685         (build_empty_rdg): Simplify.
13686         (build_rdg): Adjust.
13687         (free_rdg): Likewise.
13688         (ref_base_address): Remove.
13689         (have_similar_memory_accesses): Likewise.
13690         * tree-data-ref.h (create_rdg_vertices): Remove.
13691         (struct rdg_vertex): Add datarefs member.
13692         (RDGV_DATAREFS): New define.
13693         (RDG_DATAREFS): Likewise.
13694         (have_similar_memory_accesses): Remove.
13695         (rdg_has_similar_memory_accesses): Likewise.
13696         * tree-loop-distribution.c (ref_base_address): Re-implement here.
13697         (similar_memory_accesses): Re-implement using existing data-references.
13698         (tree_loop_distribution): Initialize stmt uids for the stmt to
13699         RDG index mapping.
13700         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
13701         access stmt vinfo for stmts in loop.
13702
13703 2012-06-04  Andreas Schwab  <schwab@linux-m68k.org>
13704
13705         PR target/53461
13706         * config/m68k/m68k.md ("tablejump"): Fix check for
13707         CASE_VECTOR_PC_RELATIVE.
13708
13709 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
13710
13711         * output.h (merge_weak, assemble_alias,
13712         initializer_constant_valid_p,
13713         initializer_constant_valid_for_bitfield_p): Move protos from here...
13714         * tree.h: ... to here.
13715         * cgraphclones.c: Do not include output.h.
13716         * gimplify.c: Likewise.
13717         * reload.c: Likewise.
13718         * recog.c: Likewise.
13719         * tree-ssa-loop-ivopts.c: Likewise.
13720         * tree-switch-conversion.c: Likewise.
13721         * c-parser.c: Likewise.
13722         * c-typeck.c: Likewise.
13723         * Makefile.in: Fix dependencies.
13724
13725 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
13726
13727         PR target/46261
13728         * config/avr/avr-stdint.h: New file.
13729         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
13730         newlib-stdint.h
13731
13732 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
13733
13734         PR tree-optimization/53550
13735         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
13736         is POINTER_TYPE_P, use sizetype as step type instead of type.
13737
13738 2012-06-04  Richard Guenther  <rguenther@suse.de>
13739
13740         * tree-data-ref.c (have_similar_memory_accesses_1): Remove.
13741         (ref_base_address_1): Likewise.
13742         (remove_similar_memory_refs): Likewise.
13743         * tree-data-ref.h (remove_similar_memory_refs): Remove.
13744         * tree-loop-distribution.c (classify_partition): Do not classify
13745         as builtin if -ftree-loop-distribute-patterns is not enabled.
13746         (fuse_partitions_with_similar_memory_accesses): Inline ...
13747         (ldist_gen): ... here.  Fuse all non-builtin partitions if
13748         -ftree-loop-distribution is not enabled.  Properly return
13749         the number of created partitions.  Do not update SSA form here but ...
13750         (tree_loop_distribution): ... once here for the whole function.
13751         Only walk innermost loops, constrain loops we consider here
13752         further.  Do not call remove_similar_memory_refs.
13753         (distribute_loop): Do not check number of loop nodes here.
13754
13755 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
13756
13757         * Makefile.in (GIMPLE_H): Do not depend on TARGET_H.
13758
13759 2012-06-03  Martin Jambor  <mjambor@suse.cz>
13760
13761         * ipa-prop.h (ipa_get_jf_known_type_offset): New function.
13762         (ipa_get_jf_known_type_base_type): Likewise.
13763         (ipa_get_jf_known_type_component_type): Likewise.
13764         (ipa_get_jf_constant): Likewise.
13765         (ipa_get_jf_pass_through_formal_id): Likewise.
13766         (ipa_get_jf_pass_through_operation): Likewise.
13767         (ipa_get_jf_ancestor_offset): Likewise.
13768         (ipa_get_jf_ancestor_type): Likewise.
13769         (ipa_get_jf_ancestor_formal_id): Likewise.
13770         (ipa_get_jf_member_ptr_pfn): Likewise.
13771         * ipa-prop.c (ipa_set_jf_known_type): New function.
13772         (ipa_set_jf_constant): Likewise.
13773         (ipa_set_jf_simple_pass_through): Likewise.
13774         (ipa_set_jf_arith_pass_through): Likewise.
13775         (ipa_set_ancestor_jf): Likewise.
13776         (fill_member_ptr_cst_jump_function): Moved up and renamed to
13777         ipa_set_jf_member_ptr_cst.
13778         (detect_type_change_1): Use the new jump function creation functions.
13779         (compute_complex_assign_jump_func): Likewise.
13780         (compute_complex_ancestor_jump_func): Likewise.
13781         (compute_known_type_jump_func): Likewise.
13782         (compute_scalar_jump_functions): Likewise.
13783         (compute_pass_through_member_ptrs): Likewise.
13784         (determine_cst_member_ptr): Likewise.
13785         (combine_known_type_and_ancestor_jfs): Likewise.
13786         (try_make_edge_direct_simple_call): Likewise.
13787         (try_make_edge_direct_virtual_call): Likewise.
13788         (update_indirect_edges_after_inlining): Likewise.
13789         * ipa-cp.c (ipa_get_jf_pass_through_result): Use jump function
13790         access functions.  Incorporat NOP_EXPR and BINFO handling from its
13791         callers.
13792         (ipa_get_jf_ancestor_result): Likewise.  Incorporate handling BINFOs
13793         which was in its callers.
13794         (ipa_value_from_jfunc): Use jump function access functions.  Some
13795         functionality moved to functions above.
13796         (propagate_vals_accross_ancestor): Likewise.
13797         (propagate_vals_accross_pass_through): Use jump function access
13798         functions.
13799         (propagate_accross_jump_function): Likewise.
13800         * ipa-inline-analysis.c (remap_edge_change_prob): Use jump function
13801         access functions.
13802         (inline_merge_summary): Likewise.
13803
13804 2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13805
13806         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
13807         * config/pa/pa.c (pa_attr_length_millicode_call): Use
13808         MAX_PCREL17F_OFFSET instead of fixed offset.
13809         (pa_attr_length_call): Likewise.
13810         (pa_attr_length_indirect_call): Likewise.
13811
13812 2012-06-03  Oleg Endo  <olegendo@gcc.gnu.org>
13813
13814         PR target/53512
13815         * config/sh/sh.opt (mfsca, mfsrra): New options.
13816         * config/sh/sh.md (rsqrtsf2): Use TARGET_FPU_ANY and TARGET_FSRRA
13817         condition.
13818         (fsca): Use TARGET_FPU_ANY and TARGET_FSCA condition.
13819         (sinssf2, cossf2): Fold expanders to ...
13820         (sincossf3): ... this new expander.  Use TARGET_FPU_ANY and
13821         TARGET_FSCA condition.
13822         * config/sh/sh.c (sh_option_override): Handle TARGET_FSRRA and
13823         TARGET_FSCA.
13824         * doc/invoke.texi (SH Options): Add descriptions for -mfsca,
13825         -mno-fsca, -mfsrra, -mno-fsrra.
13826
13827 2012-06-03  Matt Turner  <mattst88@gmail.com>
13828
13829         * config/mips/4600.md (r4700_imul_si): New.
13830         (r4700_imul_di): New.
13831         (r4700_fmul_single): New.
13832         (r4700_fmul_double): New.
13833         * config/mips/mips-cpus.def: Add r4700.
13834         * config/mips/mips.c: Likewise.
13835         * config/mips/mips.md: Likewise.
13836         * config/mips/mips-tables.opt: Regenerate.
13837
13838 2012-06-02  Steven Bosscher  <steven@gcc.gnu.org>
13839
13840         * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Split out to
13841         new function sparc_initial_elimination_offset.
13842         * config/sparc/sparc.c (sparc_initial_elimination_offset): New
13843         function.
13844         * config/sparc/sparc-protos.h (sparc_initial_elimination_offset):
13845         Prototype it.
13846
13847 2012-06-02  Kenneth Zadeck <zadeck@naturalbridge.com>
13848
13849         * expmed.c (expand_mult, choose_multiplier): Change
13850         "2 * HOST_BITS_PER_WIDE_INT" to "HOST_BITS_PER_DOUBLE_INT".
13851         * expr.c (convert_modes): Likewise.
13852         * explow.c (plus_constant): Likewise.
13853         * fixed-value.c (fixed_saturate1, fixed_saturate2)
13854         (do_fixed_add, do_fixed_multiply, do_fixed_multiply)
13855         (do_fixed_multiply, do_fixed_multiply, do_fixed_divide)
13856         (do_fixed_divide, do_fixed_divide, do_fixed_divide)
13857         (do_fixed_divide, do_fixed_divide, do_fixed_shift, do_fixed_shift)
13858         (do_fixed_shift, fixed_convert, fixed_convert)
13859         (fixed_convert_from_int, fixed_convert_from_int)
13860         (fixed_convert_from_real): Likewise.
13861         * fold-const.c (fold_convert_const_int_from_fixed, sign_bit_p)
13862         (native_interpret_int, fold_binary_loc, fold_ternary_loc): Likewise.
13863         * varasm.c (output_constructor_bitfield): Likewise.
13864         * tree-vrp.c (register_edge_assert_for_2): Likewise.
13865         * double-int.c (rshift_double, lshift_double): Likewise.
13866         * double-int.h (double_int_fits_in_uhwi_p, double_int, double_int):
13867         Likewise.
13868         * simplify-rtx.c (mode_signbit_p)
13869         (simplify_const_unary_operation, simplify_binary_operation_1)
13870         (simplify_immed_subreg): Likewise.
13871         * builtins.c (c_readstr, fold_builtin_bitop): Likewise.
13872         * tree-vect-generic.c (build_replicated_const): Likewise.
13873         * dbxout.c (stabstr_O): Likewise.
13874         * emit-rtl.c (immed_double_int_const, immed_double_const)
13875         (gen_lowpart_common, init_emit_once): Likewise.
13876         * tree.c (integer_pow2p, tree_log2, tree_floor_log2)
13877         (widest_int_cst_value, upper_bound_in_type): Likewise.
13878         * stor-layout.c (initialize_sizetypes, fixup_signed_type)
13879         (fixup_unsigned_type): Likewise.
13880         * real.c (real_to_integer2, real_from_integer): Likewise.
13881         * dwarf2out.c (size_of_loc_descr, size_of_die, output_die)
13882         (clz_loc_descriptor, mem_loc_descriptor): Likewise.
13883
13884 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
13885
13886         PR middle-end/53501
13887         * fold-const.c (fold_binary_loc): Refine previous change.
13888
13889 2012-06-01  Olivier Hainque  <hainque@adacore.com>
13890
13891         * config/rs6000/vxworks.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Restore
13892         the "do {" part of the do-while(0) loop.
13893
13894 2012-06-01  Yuri Rumyantsev  <yuri.s.rumyantsev@intel.com>
13895
13896         * config/i386/i386.c (x86_sched_reorder): New function.
13897         Added new function x86_sched_reorder.
13898
13899 2012-06-01  Richard Guenther  <rguenther@suse.de>
13900
13901         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
13902         Handle PHIs.
13903         (classify_partition): Likewise.
13904
13905 2012-06-01  Richard Guenther  <rguenther@suse.de>
13906
13907         * tree-loop-distribution.c (enum partition_kind): New enum.
13908         (struct partition_s): Add kind and main_stmt members.
13909         (partition_alloc): Initialize kind to PKIND_NORMAL.
13910         (partition_builtin_p): New function.
13911         (copy_loop_before): Remove failure path and assert instead.
13912         (generate_loops_for_partition): Likewise.
13913         (generate_memset_zero): Fold into ...
13914         (generate_memset_builtin): ... this.
13915         (classify_partition): New function with code from
13916         can_generate_builtin and generate_builtin.
13917         (generate_builtin): Remove.
13918         (can_generate_builtin): Likewise.
13919         (fuse_partitions_with_similar_memory_accesses): Call
13920         partition_builtin_p instead of can_generate_builtin.
13921         (rdg_build_partitions): Do not call
13922         fuse_partitions_with_similar_memory_accesses here...
13923         (ldist_gen): ... but here after classifying all partitions.
13924         Remove failure path of generate_code_for_partition.
13925         (generate_code_for_partition): Generate code according
13926         to partition classification.
13927
13928 2012-06-01  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13929             Jonathan Wakely  <jwakely.gcc@gmail.com>
13930
13931         PR c++/50134
13932         * doc/invoke.texi (Warning Options): Explain purpose and differences
13933         between -Wmissing-prototypes and -Wmissing-declarations.
13934
13935 2012-06-01  Christian Bruel  <christian.bruel@st.com>
13936
13937         * gcc.c (save_switch): Add user_p parameter.
13938         (read_specs): Likewise.
13939         (set_specs): Likewise.
13940         (validate_switches): Likewise.
13941         (validate_switches_from_spec): Likewise.
13942         (validate_all_switches): Pass on user_p parameter.
13943         (struct spec_list): Add user_p field.
13944         (struct switchstr): Add known field.
13945         (save_switch): Add known parameter.
13946         (INIT_STATIC_SPEC): Initialize user_p;
13947         (driver_unknown_option_callbac): call save_switch if
13948         OPT_SPECIAL_unknown.
13949         (driver_handle_option): Propagate OPT_specs.
13950         (do_spec_1): Set validated only if known.
13951         (check_live_switch): Likewise.
13952         (validate_switches): Set validated if known or user_spec.
13953
13954 2012-06-01  Hans-Peter Nilsson  <hp@axis.com>
13955
13956         Add CRIS atomic patterns for 1, 2, and 4 bytes.
13957         * config/cris/cris.c (cris_emit_trap_for_misalignment): New function.
13958         * config/cris/cris-protos.h: Declare it.
13959         * config/cris/cris.h [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 32]
13960         (TARGET_DEFAULT): Add alignment by 32.
13961         [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 10] (TARGET_DEFAULT): New
13962         case, as TARGET_CPU_DEFAULT == 0 but with alignment as for
13963         TARGET_CPU_DEFAULT == 32.
13964         (TARGET_TRAP_UNALIGNED_ATOMIC): New macro.
13965         * config/cris/cris.md: Include sync.md.  Avoid allocating specific
13966         numbers by replacing the define_constants for all UNSPECs with the
13967         equivalent define_c_enum construct.
13968         * config/cris/cris.opt (mtrap-unaligned-atomic): New option.
13969         * config/cris/sync.md: New file.
13970
13971 2012-05-31  Matt Turner  <mattst88@gmail.com>
13972
13973         * config/mips/4600.md (r4600_imul_si): Rename from r4600_imul.
13974         (r4600_imul_di): New.
13975         (r4600_idiv_si): Rename from r4600_idiv.
13976         (r4600_idiv_di): New.
13977
13978 2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>
13979
13980         * output.h (__gcc_host_wide_int__): Move to hwint.h.
13981         (decl_default_tls_model): Move to tree.h
13982         (dump_file): Move to system.h.
13983         (default_stabs_asm_out_destructor, default_stabs_asm_out_constructor,
13984         dbxout_int, dbxout_stabd, dbxout_begin_stabn, dbxout_begin_stabn_sline,
13985         dbxout_begin_empty_stabs, dbxout_begin_simple_stabs,
13986         dbxout_begin_simple_stabs_desc, dbxout_stab_value_zero,
13987         dbxout_stab_value_zero, dbxout_stab_value_label_diff,
13988         dbxout_stab_value_internal_label,
13989         dbxout_stab_value_internal_label_diff): Move from here ...
13990         * dbxout.h: ... to here.
13991         * system.h (dump_file): Moved here from output.h.
13992         * hwint.h (__gcc_host_wide_int__): Moved here from output.h.
13993         * tree.h (decl_default_tls_model): Moved here from output.h.
13994         * varasm.c (default_stabs_asm_out_destructor,
13995         default_stabs_asm_out_constructor): Move from here ...
13996         * dbxout.c: ... to here.
13997
13998         * gcov-dump.c (dump_file): Rename to dump_gcov_file.  Update callers.
13999
14000         * collect2.h (dump_file): Rename to dump_ld_file.
14001         * collect2.c: Likewise.
14002         * tlink.c: Likewise.
14003
14004         * alias.c: Do not include output.h.
14005         * auto-inc-dec.c: Likewise.
14006         * bt-load.c: Likewise.
14007         * caller-save.c: Likewise.
14008         * cfg.c: Likewise.
14009         * cfgbuild.c: Likewise.
14010         * cfgcleanup.c: Likewise.
14011         * cfglayout.c: Likewise.
14012         * cfgloop.c: Likewise.
14013         * cfgloopanal.c: Likewise.
14014         * cfgloopmanip.c: Likewise.
14015         * cfgrtl.c: Likewise.
14016         * cgraph.c: Likewise.
14017         * cgraphclones.c: Likewise.
14018         * combine-stack-adj.c: Likewise.
14019         * combine.c: Likewise.
14020         * cprop.c: Likewise.
14021         * cse.c: Likewise.
14022         * cselib.c: Likewise.
14023         * dbgcnt.c: Likewise.
14024         * df-problems.c: Likewise.
14025         * df-scan.c: Likewise.
14026         * dojump.c: Likewise.
14027         * fwprop.c: Likewise.
14028         * gcse.c: Likewise.
14029         * graph.c: Likewise.
14030         * haifa-sched.c: Likewise.
14031         * hw-doloop.c: Likewise.
14032         * ipa-inline-transform.c: Likewise.
14033         * ipa-pure-const.c: Likewise.
14034         * ipa-reference.c: Likewise.
14035         * ipa-utils.c: Likewise.
14036         * ira-build.c: Likewise.
14037         * ira-emit.c: Likewise.
14038         * lcm.c: Likewise.
14039         * loop-doloop.c: Likewise.
14040         * loop-invariant.c: Likewise.
14041         * loop-iv.c: Likewise.
14042         * loop-unroll.c: Likewise.
14043         * loop-unswitch.c: Likewise.
14044         * lto-cgraph.c: Likewise.
14045         * lto-section-in.c: Likewise.
14046         * lto-streamer-in.c: Likewise.
14047         * mcf.c: Likewise.
14048         * mode-switching.c: Likewise.
14049         * postreload-gcse.c: Likewise.
14050         * postreload.c: Likewise.
14051         * predict.c: Likewise.
14052         * profile.c: Likewise.
14053         * ree.c: Likewise.
14054         * reg-stack.c: Likewise.
14055         * regcprop.c: Likewise.
14056         * regmove.c: Likewise.
14057         * regstat.c: Likewise.
14058         * reload1.c: Likewise.
14059         * sched-ebb.c: Likewise.
14060         * sel-sched-dump.c: Likewise.
14061         * simplify-rtx.c: Likewise.
14062         * stor-layout.c: Likewise.
14063         * store-motion.c: Likewise.
14064         * tracer.c: Likewise.
14065         * tree-affine.c: Likewise.
14066         * tree-cfg.c: Likewise.
14067         * tree-cfgcleanup.c: Likewise.
14068         * tree-dfa.c: Likewise.
14069         * tree-into-ssa.c: Likewise.
14070         * tree-nomudflap.c: Likewise.
14071         * tree-optimize.c: Likewise.
14072         * tree-pretty-print.c: Likewise.
14073         * tree-profile.c: Likewise.
14074         * tree-ssa-address.c: Likewise.
14075         * tree-ssa-ccp.c: Likewise.
14076         * tree-ssa-copy.c: Likewise.
14077         * tree-ssa-dom.c: Likewise.
14078         * tree-ssa-loop-ch.c: Likewise.
14079         * tree-ssa-loop-im.c: Likewise.
14080         * tree-ssa-loop-manip.c: Likewise.
14081         * tree-ssa-loop-niter.c: Likewise.
14082         * tree-ssa-loop-prefetch.c: Likewise.
14083         * tree-ssa-loop-unswitch.c: Likewise.
14084         * tree-ssa-loop.c: Likewise.
14085         * tree-ssa-propagate.c: Likewise.
14086         * tree-ssa-structalias.c: Likewise.
14087         * tree-ssa-tail-merge.c: Likewise.
14088         * tree-ssa-threadedge.c: Likewise.
14089         * tree-ssa-threadupdate.c: Likewise.
14090         * tree-ssa-uncprop.c: Likewise.
14091         * tree-ssa-uninit.c: Likewise.
14092         * tree-ssa.c: Likewise.
14093         * value-prof.c: Likewise.
14094         * var-tracking.c: Likewise.
14095         * web.c: Likewise.
14096
14097         * config/m32r/m32r.c: Include dbxout.h.
14098         * config/pa/pa.c: Likewise.
14099         * config/rs6000/rs6000.c: Likewise.
14100
14101         * Makefile.in: Fix dependencies.
14102         * config/rs6000/t-rs5000: Likewise.
14103
14104 2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
14105
14106         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
14107         * gimple.h (block_in_transaction): Check for flag_tm.
14108
14109 2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
14110
14111         PR tree-optimization/52558
14112         * cfg.c (alloc_aux_for_edge): Fix comment.
14113         (alloc_aux_for_edge): Remove static.
14114         * basic-block.h (alloc_aux_for_edge): Protoize.
14115         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
14116         (execute_sm_if_changed_flag): New.
14117         (execute_sm_if_changed_flag_set): New.
14118         (execute_sm): Do not generate data races unless requested.
14119         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
14120         (tree_ssa_lim_finalize): Call free_aux_for_edges.
14121         * gimple.h (block_in_transaction): New.
14122         (gimple_in_transaction): Use block_in_transaction.
14123
14124 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
14125
14126         PR target/51345
14127         * config/avr/avr.opt (-msp8): Document it.
14128         * doc/invoke.texi (AVR Options): Ditto.  And document related
14129         built-in macros.
14130
14131 2012-05-31  Diego Novillo  <dnovillo@google.com>
14132
14133         * configure.ac (CXX_FOR_BUILD): Define and substitute.
14134         (BUILD_CXXFLAGS): Define and substitute.
14135         * Makefile.in (BUILD_CXXFLAGS): Define.
14136         (CXX_FOR_BUILD): Define.
14137         (COMPILER_FOR_BUILD): Set to CXX_FOR_BUILD if building with C++.
14138         (LINKER_FOR_BUILD): Likewise.
14139         (BUILD_COMPILERFLAGS): Set to BUILD_CXXFLAGS if building with C++.
14140         (BUILD_LINKERFLAGS): Likewise.
14141         * configure: Regenerate.
14142
14143 2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>
14144
14145         * Makefile.in: Fix many dependencies.
14146         * tree-profile.c: Don't include regs.h.
14147         * tree-vectorizer.c: Don't include cfglayout.h.
14148         * tree-vect-stmts.c: Likewise.
14149         * tree-vect-slp.c: Likewise.
14150         * tree-vect-loop.c: Likewise.
14151         * reg-stack.c: Likewise.
14152         * tree-ssa-loop-manip.c: Likewise.
14153         * toplev.c: Likewise.
14154         * varasm.c: Don't include cfglayout.h, basic-block.h,
14155         and tree-iterator.h.
14156         * tree-cfgcleanup.c: Don't include cfglayout.h.
14157         * passes.c: Don't include cfglayout.h, dwarf2asm.h,
14158         dwarf2out.h, dbxout.h, sdbout.h, and xcoffout.h.
14159         * cgraphclones.c: Don't include plugin.h.
14160
14161 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
14162
14163         * config/avr/t-avr: Correct avr-mmcu.texi dependencies.
14164         (s-avr-mmcu-texi): Don't sed on gen-avr-mmcu-texi output.
14165         * doc/avr-mmcu.texi (svn:eol-style): Set to native.
14166
14167 2012-05-31  Richard Guenther  <rguenther@suse.de>
14168
14169         * tree-loop-distribution.c (struct partition_s): New struct,
14170         typedef and vector type.
14171         (partition_alloc, partition_free): New functions.
14172         (generate_loops_for_partition, generate_builtin,
14173         generate_code_for_partition, rdg_flag_uses, rdg_flag_vertex,
14174         rdg_flag_vertex_and_dependent, rdg_flag_loop_exits,
14175         build_rdg_partition_for_component, can_generate_builtin,
14176         similar_memory_accesses, fuse_partitions_with_similar_memory_accesses,
14177         rdg_build_partitions, dump_rdg_partitions, debug_rdg_partitions,
14178         number_of_rw_in_partition, partition_contains_all_rw,
14179         ldist_gen): Use partition_t instead of bitmap.
14180
14181 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
14182
14183         * config/avr/gen-avr-mmcu-texi.c: Sort MCUs.
14184         * doc/avr-mmcu.texi: Regenerate.
14185
14186 2012-05-31  Richard Guenther  <rguenther@suse.de>
14187
14188         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
14189         Use FOR_EACH_SSA_DEF_OPERAND.
14190         (generate_builtin): Adjust.
14191         (stmt_generated_in_another_partition): Remove.
14192         (add_scalar_computations_to_partition): Likewise.
14193         (rdg_build_partitions): Do not call
14194         add_scalar_computations_to_partition.
14195
14196 2012-05-31  Eric Botcazou  <ebotcazou@adacore.com>
14197
14198         * tree-dfa.c (get_ref_base_and_extent): Compute the offset using
14199         double ints throughout.
14200         * tree-sra.c (build_user_friendly_ref_for_offset) <RECORD_TYPE>:
14201         Check that the position of the field is representable as an integer.
14202
14203 2012-05-31  Richard Guenther  <rguenther@suse.de>
14204
14205         * tree-data-ref.c (dr_analyze_innermost): Properly convert
14206         the MEM_REF offset to sizetype.
14207
14208 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
14209
14210         * doc/invoke.texi (AVR Options): Fix typos.
14211
14212 2012-05-31  Hans-Peter Nilsson  <hp@axis.com>
14213
14214         * config/cris/cris.h (CC1_SPEC): Pass through all -march=
14215         and -mcpu= options.
14216         (ASM_SPEC): Ditto, not just -march=v32, but translate non-v10,
14217         non-v32 into --march=v0_v10.
14218
14219 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
14220
14221         * ira-int.h (target_ira_int): Rename x_move_cost to
14222         x_ira_register_move_cost, x_may_move_in_cost to
14223         x_ira_may_move_in_cost and x_may_move_out_cost to
14224         x_ira_may_move_out_cost.  Delete the old fields with
14225         those names and also x_ira_max_register_move_cost,
14226         x_ira_max_may_move_in_cost and x_ira_max_may_move_out_cost.
14227         (move_cost, may_move_in_cost, may_move_out_cost)
14228         (ira_max_register_move_cost, ira_max_may_move_in_cost)
14229         (ira_max_may_move_out_cost): Delete.
14230         * ira.c (init_move_cost): Rename to...
14231         (ira_init_register_move_cost): ...this, deleting the old
14232         function with that name.  Apply above variable renamings.
14233         Retain asserts for null fields.
14234         (ira_init_once): Don't initialize register move costs here.
14235         (free_register_move_costs): Apply above variable renamings.
14236         Remove code for deleted fields.
14237
14238 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
14239
14240         * ira.c (init_move_cost): Adjust choice of subclasses to match
14241         the current ira_init_register_move_cost choice.  Use
14242         ira_class_subset_p instead of reg_class_subset_p.
14243         (ira_init_register_move_cost): Assert that move_cost,
14244         may_move_in_cost and may_move_out_cost already hold the desired
14245         values for their ira_* equivalents.  For the latter two,
14246         ignore classes that can't store a register of the given mode.
14247
14248 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
14249
14250         * ira.c (setup_allocno_and_important_classes): Use
14251         ira_class_hard_regs_num to check whether a class has any
14252         allocatable registers.
14253         (ira_init_register_move_cost): Likewise.
14254
14255 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
14256
14257         * ira.c (init_move_cost): Adjust local variable names to match
14258         file conventions.  Use ira_assert instead of gcc_assert.
14259
14260 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
14261
14262         * regs.h (move_table, move_cost, may_move_in_cost, may_move_out_cost):
14263         Move these definitions and associated target_globals fields to...
14264         * ira-int.h: ...here.
14265         * rtl.h (init_move_cost): Delete.
14266         * reginfo.c (last_mode_for_init_move_cost, init_move_cost): Move to...
14267         * ira.c: ...here, making the latter static.
14268
14269 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
14270
14271         * ira-costs.c (copy_cost): Use ira_init_register_move_cost_if_necessary
14272         and ira_register_move_cost instead of init_move_cost and move_cost.
14273
14274 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
14275
14276         * ira.h (target_ira): Delete x_ira_available_class_regs.
14277         (ira_available_class_regs): Delete.
14278         * ira.c (setup_available_class_regs): Delete.
14279         (setup_alloc_classes): Don't call it.
14280         (setup_pressure_classes): Use ira_class_hard_regs_num instead of
14281         ira_available_class_regs.
14282         * haifa-sched.c (print_curr_reg_pressure, setup_insn_reg_pressure_info)
14283         (model_spill_cost): Likewise.
14284         * ira-build.c (low_pressure_loop_node_p): Likewise.
14285         * ira-color.c (color_pass): Likewise.
14286         * ira-emit.c (change_loop): Likewise.
14287         * ira-lives.c (inc_register_pressure, dec_register_pressure)
14288         (single_reg_class, ira_implicitly_set_insn_hard_regs)
14289         (process_bb_node_lives): Likewise.
14290         * loop-invariant.c (gain_for_invariant): Likewise.
14291
14292 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14293
14294         PR target/52999
14295         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
14296         (pa_section_type_flags): New.
14297         (pa_legitimate_constant_p): Revert previous change.
14298
14299 2012-05-30  Steven Bosscher  <steven@gcc.gnu.org>
14300
14301         * ira.c (allocate_initial_values): Make static.
14302
14303 2012-05-30  Uros Bizjak  <ubizjak@gmail.com>
14304
14305         * config/i386/i386.c (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>:
14306         Generate tls_initial_exec_64_sun only when !TARGET_X32.
14307
14308 2012-05-30  Richard Guenther  <rguenther@suse.de>
14309
14310         PR middle-end/53501
14311         * fold-const.c (fold_binary_loc): Make sure to call
14312         fold_plusminus_mult_expr with the original sign of operands.
14313
14314 2012-05-30  Steven Bosscher  <steven@gcc.gnu.org>
14315
14316         * Makefile.in: Fix many dependencies.
14317         (DWARF2_H): Depend on dwarf2.def.
14318         (RTL_ERROR_H): Depend on rtl-error.h.
14319         (TREE_PRETTY_PRINT_H, GIMPLE_PRETTY_PRINT_H): New.  Replace
14320         all gimple-pretty-print.h and tree-pretty-print.h references.
14321
14322 2012-05-30  Marc Glisse  <marc.glisse@inria.fr>
14323
14324         * simplify-rtx.c (simplify_binary_operation_1): Optimize shuffle of
14325         concatenations.
14326
14327 2012-05-30  Richard Guenther  <rguenther@suse.de>
14328
14329         PR middle-end/53522
14330         * tree-emutls.c (gen_emutls_addr): Do not add globals to
14331         referenced-vars.
14332
14333 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
14334
14335         * explow.c (probe_stack_range): Restore simple control flow and stop
14336         again when the probe cannot be generated if HAVE_check_stack.
14337
14338 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
14339
14340         PR rtl-optimization/53519
14341         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
14342         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
14343
14344 2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
14345
14346         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
14347
14348 2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
14349
14350         PR debug/53453
14351         * doc/tm.texi: Update.
14352         * doc/tm.texi.in (SDB and DWARF) <TARGET_FORCE_AT_COMP_DIR>: Add @hook.
14353         * target.def (force_at_comp_dir): New hook.
14354         * config/darwin.h (TARGET_FORCE_AT_COMP_DIR): Define.
14355         * dwarf2out.c (dwarf2out_finish): Check targetm.force_at_comp_dir.
14356
14357 2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
14358
14359         * config/darwin.h (STARTFILE_SPEC): Do not use -lbundle1.o when
14360         Darwin >= 10.
14361         (DARWIN_DYLIB1_SPEC): Do not use -ldylib1.10.5.o when Darwin >= 10.
14362         (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10.
14363
14364 2012-05-29  Oleg Endo  <olegendo@gcc.gnu.org>
14365
14366         PR target/51340
14367         * config/sh/sh.c (sh_option_override): Set TARGET_FMAC if
14368         flag_unsafe_math_optimizations is set.
14369         * doc/invoke.texi (SH Options): Add -mno-fused-madd description.
14370         Update description of -mfused-madd.
14371
14372 2012-05-29  Oleg Endo  <olegendo@gcc.gnu.org>
14373
14374         PR target/52941
14375         * config/sh/predicates.md (atomic_arith_operand,
14376         atomic_logical_operand): New predicates.
14377         * config/sh/sh.c (sh_option_override): Check atomic options.
14378         * config/sh/sh.h (TARGET_ANY_ATOMIC, UNSUPPORTED_ATOMIC_OPTIONS,
14379         UNSUPPORTED_HARD_ATOMIC_CPU): New macros.
14380         (DRIVER_SELF_SPECS): Use UNSUPPORTED_ATOMIC_OPTIONS and
14381         UNSUPPORTED_HARD_ATOMIC_CPU.
14382         * config/sh/sync.md: Update description comments.
14383         (I12): New mode iterator.
14384         (fetchop_predicate, fetchop_constraint): New code attributes.
14385         (atomic_compare_and_swapsi_hard, atomic_compare_and_swap<mode>_hard,
14386         atomic_exchangesi_hard, atomic_exchange<mode>_hard,
14387         atomic_fetch_<fetchop_name>si_hard,
14388         atomic_fetch_<fetchop_name><mode>_hard,
14389         atomic_fetch_nandsi_hard, atomic_fetch_nand<mode>_hard,
14390         atomic_<fetchop_name>_fetchsi_hard,
14391         atomic_<fetchop_name>_fetch<mode>_hard,
14392         atomic_nand_fetchsi_hard, atomic_nand_fetch<mode>_hard,
14393         atomic_test_and_set_hard): New insns.
14394         (atomic_compare_and_swap<mode>_soft, atomic_exchange<mode>_soft,
14395         atomic_fetch_<fetchop_name><mode>_soft, atomic_fetch_nand<mode>_soft,
14396         atomic_<fetchop_name>_fetch<mode>_soft, atomic_nand_fetch<mode>_soft,
14397         atomic_test_and_set_soft): Use same formatting for the first line of
14398         the asm block as in new insns above.
14399         (atomic_compare_and_swap<mode>, atomic_exchange<mode>,
14400         atomic_fetch_<fetchop_name><mode>, atomic_<fetchop_name>_fetch<mode>,
14401         atomic_test_and_set): Integrate new *_hard insns into expanders.
14402         * config/sh/sh.opt (mhard-atomic): New option.
14403         * doc/invoke.texi (SH Options): Document it.
14404
14405 2012-05-29  Meador Inge  <meadori@codesourcery.com>
14406
14407         * c-decl.c (c_push_function_context): Always create a new language
14408         function.
14409         (c_pop_function_context): Clear the language function created in
14410         c_push_function_context.
14411
14412 2012-05-29  Matt Turner  <mattst88@gmail.com>
14413
14414         * config/alpha/ev6.md: (define_bypass "ev6_fmul,ev6_fadd"): New.
14415         (define_bypass "ev6_fcmov"): New.
14416
14417 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
14418
14419         * integrate.c: Remove.
14420         * integrate.h: Remove.
14421         * Makefile.in: Remove make rules for integrate.c and INTEGRATE_H.
14422         * config/arm/t-arm: Remove INTEGRATE_H dependency for target files.
14423         * config/rs6000/t-rs6000: Likewise
14424         * config/spu/t-spu-elf: Likewise.
14425         * function.h (get_hard_reg_initial_val, has_hard_reg_initial_val,
14426         get_hard_reg_initial_reg, emit_initial_value_sets): Move prototypes
14427         from integrate.h to here.
14428         (initial_value_entry): New prototype.
14429         * reload.h (allocate_initial_values): Remove prototype.
14430         * tree.h (set_decl_abstract_flags, set_decl_origin_self): Likewise.
14431         * cse.c (fixed_base_plus_p): Don't handle virtual registers for
14432         integrate.c.
14433         * dwarf2out.c (set_decl_origin_self, set_block_origin_self,
14434         set_decl_abstract_flags, set_block_abstract_flags): Move from
14435         integrate.c to here, the only user.
14436         * expmed.c (extract_fixed_bit_field): Remove outdated comment
14437         about integrate.c.
14438         * function.c: Don't include integrate.h.
14439         (struct initial_value_pair, struct initial_value_struct,
14440         get_hard_reg_initial_val, has_hard_reg_initial_val,
14441         get_hard_reg_initial_reg, emit_initial_value_sets): Move from
14442         integrate.c to here.
14443         (initial_value_entry): New function.
14444         * genemit.c (main): Don't print integrate.h include line.
14445         * ira.c: Don't include integrate.h.
14446         (allocate_initial_values): Move from integrate.c to here.
14447         (ira): Update allocate_initial_values call.
14448         * tree-inline.c: Don't include integrate.h.
14449         (function_attribute_inlinable_p): Moved from integrate.c to here.
14450         * cfgexpand.c: Don't include integrate.h.
14451         * except.c: Likewise.
14452         * langhooks.c: Likewise.
14453         * passes.c: Likewise.
14454         * toplev.c: Likewise.
14455         * config/frv/frv.c: Likewise.
14456         * config/pa/pa.c: Likewise.
14457         * config/spu/spu.c: Likewise.
14458         * config/epiphany/epiphany.c: Likewise.
14459         * config/mep/mep.c: Likewise.
14460         * config/score/score.c: Likewise.
14461         * config/picochip/picochip.c: Likewise.
14462         * config/sh/sh.c: Likewise.
14463         * config/alpha/alpha.c: Likewise.
14464         * config/microblaze/microblaze.c: Likewise.
14465         * config/mips/mips.c: Likewise.
14466         * config/v850/v850.c: Likewise.
14467         * config/mmix/mmix.c: Likewise.
14468         * config/bfin/bfin.c: Likewise.
14469         * config/arm/arm.c: Likewise.
14470         * config/s390/s390.c: Likewise.
14471         * config/m32r/m32r.c: Likewise.
14472         * config/rs6000/rs6000.c: Likewise.
14473         * config/c6x/c6x.c: Include function.h instead of integrate.h.
14474         * config/tilegx/tilegx.c: Likewise.
14475         * config/tilepro/tilepro.c: Likewise.
14476
14477 2012-05-29  Georg-Johann Lay  <avr@gjlay.de>
14478
14479         * config/avr/t-avr (s-avr-mmcu-texi): Call
14480         gen-avr-mmcu-texi$(build_exeext) via ./ and don't assume . is in PATH.
14481
14482 2012-05-29  Michael Matz  <matz@suse.de>
14483
14484         * rtl.h (assign_stack_temp, assign_stack_temp_for_type,
14485         assign_temp): Remove 'keep' argument.
14486         (mark_temp_addr_taken): Remove prototype.
14487         * tree.h (expand_decl): Remove prototype.
14488         * function.c (struct temp_slot): Remove addr_taken and keep member.
14489         (assign_stack_temp_for_type) Don't initialize above, remove
14490         keep argument.
14491         (assign_stack_temp, assign_temp): Remove keep argument.
14492         (mark_temp_addr_taken): Remove.
14493         (preserve_temp_slots): Remove handling of addr_taken and keep members.
14494         (free_temp_slots): Ditto.
14495         * expr.c (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Remove
14496         dead code.
14497         * stmt.c (expand_asm_operands): Remove dead code.
14498         (expand_decl): Remove.
14499         * c-decl.c (finish_struct): Don't call expand_decl.
14500         * builtins.c (expand_builtin_cexpi): Adjust calls to assign_temp
14501         and assign_stack_temp.
14502         * calls.c (save_fixed_argument_area, initialize_argument_information,
14503         expand_call, emit_library_call_value_1, store_one_arg): Ditto.
14504         * expmed.c (extract_bit_field_1): Ditto.
14505         * expr.c (emit_group_load_1, emit_group_store,
14506         copy_blkmode_from_reg, emit_push_insn, expand_assignment,
14507         store_field, expand_constructor, expand_cond_expr_using_cmove,
14508         expand_expr_real_2, expand_expr_real_1): Ditto.
14509         * stmt.c (expand_asm_operands, expand_return): Ditto.
14510
14511         * function.c (pop_temp_slots): Call free_temp_slots.
14512         * calls.c (store_one_arg): Don't call preserve_temp_slots or
14513         free_temp_slots.
14514         * expr.c (expand_assignment): Don't call free_temp_slots.
14515
14516         * config/arm/arm.c (neon_expand_vector_init): Ditto.
14517         * config/i386/i386.c (ix86_expand_vector_set): Ditto.
14518         (ix86_expand_vector_extract): Ditto.
14519         * config/ia64/ia64.c (spill_xfmode_rfmode_operand,
14520         ia64_expand_movxf_movrf): Ditto.
14521         * config/mips/mips.c (mips_expand_vi_general): Ditto.
14522         * config/mmix/mmix.md (floatdisf2, floatunsdisf2, truncdfsf2,
14523         extendsfdf2): Ditto.
14524         * config/rs6000/rs6000.c (rs6000_expand_vector_init,
14525         rs6000_expand_vector_set, rs6000_expand_vector_extract,
14526         rs6000_allocate_stack_temp): Ditto.
14527         * config/rs6000/rs6000.md (fix_trunctfsi2_fprs): Ditto.
14528         * config/sparc/sparc.c (emit_soft_tfmode_libcall,
14529         sparc_emit_float_lib_cmp, sparc_emit_float_lib_cmp,
14530         sparc_expand_vector_init): Ditto.
14531
14532 2012-05-29  Michael Matz  <matz@suse.de>
14533
14534         * c-tree.h (c_expand_decl): Remove prototype.
14535
14536         * expr.c (expand_expr_real_1 <normal_inner_ref>): Don't allocate
14537         a kept temp.
14538         (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Make unreachable.
14539         * gimple-fold.c (canonicalize_constructor_val): Canonicalize
14540         COMPOUND_LITERAL_EXPR.
14541         * function.c (expand_function_start): Don't call expand_decl,
14542         instead assert that we have RTL assigned.
14543         * tree-ssa-live.c (remove_unused_locals): Clear
14544         nonlocal_goto_save_area if its backing variable is removed.
14545         * stmt.c (expand_asm_operands): Remove handling of non-lvalues
14546         as mem inputs.
14547         (expand_decl): Assert that this does nothing.
14548         * calls.c (expand_call): Don't call mark_temp_addr_taken.
14549
14550 2012-05-29  Richard Guenther  <rguenther@suse.de>
14551
14552         PR tree-optimization/53516
14553         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
14554         bitfield accesses.
14555         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
14556
14557 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
14558
14559         * LANGUAGES: Fix typos.
14560         * Makefile.in: Fix typos.
14561         * alias.c: Fix typos.
14562         * auto-inc-dec.c: Fix typos.
14563         * bb-reorder.c: Fix typos.
14564         * cfgcleanup.c: Fix typos.
14565         * cgraph.c: Fix typos.
14566         * cgraph.h: Fix typos.
14567         * cgraphunit.c: Fix typos.
14568         * collect2-aix.h: Fix typos.
14569         * collect2.c: Fix typos.
14570         * compare-elim.c: Fix typos.
14571         * config/alpha/vms.h: Fix typos.
14572         * config/arm/README-interworking: Fix typos.
14573         * config/arm/arm.c: Fix typos.
14574         * config/arm/iterators.md: Fix typos.
14575         * config/arm/vxworks.h: Fix typos.
14576         * config/avr/avr.c: Fix typos.
14577         * config/avr/avr.h: Fix typos.
14578         * config/avr/avr.md: Fix typos.
14579         * config/avr/builtins.def: Fix typos.
14580         * config/c6x/c6x.c: Fix typos.
14581         * config/cr16/cr16.c: Fix typos.
14582         * config/cr16/cr16.md: Fix typos.
14583         * config/cris/cris.md: Fix typos.
14584         * config/darwin.c: Fix typos.
14585         * config/darwin.opt: Fix typos.
14586         * config/i386/i386-c.c: Fix typos.
14587         * config/i386/i386.c: Fix typos.
14588         * config/ia64/ia64.c: Fix typos.
14589         * config/m68k/cf.md: Fix typos.
14590         * config/mep/mep.c: Fix typos.
14591         * config/microblaze/microblaze.c: Fix typos.
14592         * config/microblaze/microblaze.h: Fix typos.
14593         * config/mn10300/mn10300.c: Fix typos.
14594         * config/mn10300/mn10300.md: Fix typos.
14595         * config/pa/pa.c: Fix typos.
14596         * config/picochip/picochip.h: Fix typos.
14597         * config/rs6000/a2.md: Fix typos.
14598         * config/rs6000/rs6000.c: Fix typos.
14599         * config/rs6000/vector.md: Fix typos.
14600         * config/rx/rx.md: Fix typos.
14601         * config/rx/rx.opt: Fix typos.
14602         * config/s390/2097.md: Fix typos.
14603         * config/s390/s390.c: Fix typos.
14604         * config/s390/s390.h: Fix typos.
14605         * config/sh/sh.c: Fix typos.
14606         * config/sh/sh.md: Fix typos.
14607         * config/sparc/sync.md: Fix typos.
14608         * config/spu/spu.c: Fix typos.
14609         * config/spu/spu.md: Fix typos.
14610         * config/vms/vms.c: Fix typos.
14611         * config/vxworks-dummy.h: Fix typos.
14612         * config/vxworks.h: Fix typos.
14613         * cselib.c: Fix typos.
14614         * df-scan.c: Fix typos.
14615         * df.h: Fix typos.
14616         * doc/extend.texi: Fix typos.
14617         * doc/install.texi: Fix typos.
14618         * doc/invoke.texi: Fix typos.
14619         * doc/md.texi: Fix typos.
14620         * doc/plugins.texi: Fix typos.
14621         * doc/rtl.texi: Fix typos.
14622         * dse.c: Fix typos.
14623         * dwarf2asm.c: Fix typos.
14624         * dwarf2out.c: Fix typos.
14625         * except.h: Fix typos.
14626         * expr.c: Fix typos.
14627         * fold-const.c: Fix typos.
14628         * gcc.c: Fix typos.
14629         * gcse.c: Fix typos.
14630         * genautomata.c: Fix typos.
14631         * gengtype-state.c: Fix typos.
14632         * gengtype.c: Fix typos.
14633         * genhooks.c: Fix typos.
14634         * gimple-fold.c: Fix typos.
14635         * gimple-pretty-print.c: Fix typos.
14636         * gimple.c: Fix typos.
14637         * gimple.h: Fix typos.
14638         * gimplify.c: Fix typos.
14639         * graphite-interchange.c: Fix typos.
14640         * graphite-sese-to-poly.c: Fix typos.
14641         * ifcvt.c: Fix typos.
14642         * input.c: Fix typos.
14643         * ipa-cp.c: Fix typos.
14644         * ipa-inline-analysis.c: Fix typos.
14645         * ipa-inline-transform.c: Fix typos.
14646         * ipa-inline.c: Fix typos.
14647         * ipa-pure-const.c: Fix typos.
14648         * ipa-ref.h: Fix typos.
14649         * ipa-reference.c: Fix typos.
14650         * ipa-utils.c: Fix typos.
14651         * ipa.c: Fix typos.
14652         * ira-emit.c: Fix typos.
14653         * ira-lives.c: Fix typos.
14654         * lto-streamer.c: Fix typos.
14655         * lto-streamer.h: Fix typos.
14656         * lto-wrapper.c: Fix typos.
14657         * mcf.c: Fix typos.
14658         * mode-switching.c: Fix typos.
14659         * modulo-sched.c: Fix typos.
14660         * plugin.c: Fix typos.
14661         * postreload.c: Fix typos.
14662         * sched-deps.c: Fix typos.
14663         * sel-sched-ir.c: Fix typos.
14664         * sel-sched-ir.h: Fix typos.
14665         * sel-sched.c: Fix typos.
14666         * sese.c: Fix typos.
14667         * stor-layout.c: Fix typos.
14668         * target-hooks-macros.h: Fix typos.
14669         * target.def: Fix typos.
14670         * trans-mem.c: Fix typos.
14671         * tree-eh.c: Fix typos.
14672         * tree-predcom.c: Fix typos.
14673         * tree-sra.c: Fix typos.
14674         * tree-ssa-address.c: Fix typos.
14675         * tree-ssa-loop-ivopts.c: Fix typos.
14676         * tree-ssa-loop-niter.c: Fix typos.
14677         * tree-ssa-math-opts.c: Fix typos.
14678         * tree-ssa-pre.c: Fix typos.
14679         * tree-ssa-propagate.c: Fix typos.
14680         * tree-ssa-reassoc.c: Fix typos.
14681         * tree-ssa-sccvn.c: Fix typos.
14682         * tree-ssa-ter.c: Fix typos.
14683         * tree-ssa-uninit.c: Fix typos.
14684         * tree-ssanames.c: Fix typos.
14685         * tree-vect-generic.c: Fix typos.
14686         * tree-vect-slp.c: Fix typos.
14687         * tree.c: Fix typos.
14688         * tree.h: Fix typos.
14689         * varasm.c: Fix typos.
14690         * varpool.c: Fix typos.
14691
14692 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
14693
14694         * doc/include/texinfo.tex: Update to version 2012-05-16.16.
14695
14696 2012-05-29  Richard Guenther  <rguenther@suse.de>
14697
14698         * tree-dfa.c (find_vars_r): Do not call add_referenced_vars
14699         for globals.
14700         (add_referenced_var_1): Re-organize.  Assert we are not
14701         called for globals.
14702         (remove_referenced_var): Likewise.
14703         * varpool.c (add_new_static_var): Use create_tmp_var_raw.
14704         * tree-mudflap.c (execute_mudflap_function_ops): Do not
14705         call add_referenced_var on globals.
14706         * matrix-reorg.c (transform_access_sites): Likewise.
14707
14708 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
14709
14710         * alias.c (reg_known_value): Make this a VEC.
14711         (reg_known_equiv_p): Make this an sbitmap.
14712         (reg_known_value_size): Remove.
14713         (get_reg_known_value, set_reg_known_value, get_reg_known_equiv_p,
14714         set_reg_known_equiv_p): Update for reg_known_value and
14715         reg_known_value_size data structure change.
14716         (init_alias_analysis, end_alias_analysis): Likewise.
14717
14718 2012-05-29  Jakub Jelinek  <jakub@redhat.com>
14719
14720         PR middle-end/53510
14721         * input.c (read_line): Use XRESIZEVEC instead of XNEWVEC
14722         to avoid leaking memory.  No need to handle memory allocation
14723         failure.  Double string_len on each reallocation instead of adding 2.
14724         * gcov.c (read_line): Likewise.
14725
14726 2012-05-29  Hans-Peter Nilsson  <hp@axis.com>
14727
14728         * config/cris/cris.h (TARGET_HAS_BREAK, TARGET_TRAP_USING_BREAK8):
14729         New macros.
14730         * config/cris/cris.md ("trap"): Define, enabled for
14731         TARGET_TRAP_USING_BREAK8.
14732         * config/cris/cris.opt (mtrap-using-break8): New option.
14733
14734 2012-05-28  Paolo Carlini  <paolo.carlini@oracle.com>
14735
14736         PR c++/25137
14737         * doc/invoke.texi: Document -Wmissing-braces not enabled by -Wall
14738         for C++.
14739
14740 2012-05-28  Hans-Peter Nilsson  <hp@axis.com>
14741
14742         * doc/md.texi (stack_protect_test): Remove negation of branch to label.
14743         (Standard Names): Fix typos in documentation of atomic patterns.
14744
14745 2012-05-27  Nathan Sidwell  <nathan@acm.org>
14746
14747         * tree.c (build_constructor): Propagate TREE_SIDE_EFFECTS.
14748
14749 2012-05-26  Jason Merrill  <jason@redhat.com>
14750
14751         PR c++/53220
14752         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
14753         about array compound literals.
14754
14755 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
14756
14757         * cfgcleanup.c (try_optimize_cfg): Do not delete forwarder blocks
14758         if CLEANUP_NO_INSN_DEL.
14759         * cfgrtl.c (unique_locus_on_edge_between_p): New function extracted
14760         from cfg_layout_merge_blocks.
14761         (emit_nop_for_unique_locus_between): New function.
14762         (rtl_merge_blocks): Invoke emit_nop_for_unique_locus_between.
14763         (cfg_layout_merge_blocks): Likewise.
14764
14765 2012-05-26  Dimitrios Apostolou  <jimis@gmx.net>
14766             Paolo Bonzini  <bonzini@gnu.org>
14767
14768         * df-scan.c (df_def_record_1): Assert a parallel must contain an
14769         EXPR_LIST at this point.  Receive the LOC and move its extraction...
14770         (df_defs_record): ... here. Change if-else to a switch statement.
14771         (df_find_hard_reg_defs, df_find_hard_reg_defs_1): New.
14772         (df_get_call_refs): Changed defs_generated from bitmap to HARD_REG_SET
14773         and compute it from df_find_hard_reg_defs(). Record DF_REF_BASE
14774         DEFs in REGNO order. Use HARD_REG_SET instead of bitmap for
14775         regs_invalidated_by_call.
14776         (df_insn_refs_collect): Record DF_REF_REGULAR DEFs after
14777         df_get_call_refs().
14778
14779 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
14780
14781         PR lto/52178
14782         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
14783         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
14784
14785 2012-05-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
14786
14787         * config/rs6000/t-linux64: Delete the 32-bit multilib that uses
14788         software floating point emulation.  No longer build the multilibs
14789         with -mstrict-align.
14790
14791 2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
14792
14793         PR middle-end/53008
14794         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
14795         accessed indirectly.
14796         (ipa_tm_create_version): Same.
14797
14798 2012-05-25  Uros Bizjak  <ubizjak@gmail.com>
14799
14800         PR target/53474
14801         * config/i386/i386.c (ix86_print_operand) <case 'O'>: Print '.' here.
14802         <case 'C', case 'c', case 'F', case 'f'>: Print '.' only for C and c.
14803
14804 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
14805
14806         PR target/53435
14807         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
14808         (ix86_expand_vec_perm): Use int mode instead of float.
14809         (expand_vec_perm_pshufb): Remove handling of useseless type
14810         conversion.
14811
14812 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
14813
14814         PR ada/52362
14815         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
14816         gnu_ld variables to yes.
14817         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
14818         (HAVE_GNU_AS): Likewise.
14819         * config.in: Regenerate.
14820         * configure: Likewise.
14821
14822 2012-05-25  Tristan Gingold  <gingold@adacore.com>
14823
14824         * config/i386/i386.c (struct ix86_frame): Remove unused frame field.
14825         (ix86_compute_frame_layout): Fix type of stack_alignment_needed
14826         and preferred_alignment.
14827
14828 2012-05-25  Tristan Gingold  <gingold@adacore.com>
14829
14830         * common/config/ia64/ia64-common.c (ia64_except_unwind_info): Fix typo.
14831
14832 2012-05-25  Thomas Schwinge  <thomas@codesourcery.com>
14833
14834         * fold-const.c (optimize_bit_field_compare): Abort early in the strict
14835         volatile bitfields case.
14836
14837 2012-05-24  Pat Haugen  <pthaugen@us.ibm.com>
14838
14839         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
14840         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
14841         (adjacent_mem_locations): Move some code to and call...
14842         (get_memref_parts): ...new function.
14843         (mem_locations_overlap): New function.
14844         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
14845         (is_mem_ref): Rename to...
14846         (find_mem_ref): ...this. Return MEM rtx.
14847         (get_store_dest): Remove function.
14848         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
14849         new parameter and adjust calls.
14850         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
14851         mem refs overlap for true_store_to_load_dep_costly.
14852         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
14853         passed to adjacent_mem_locations.
14854         (is_costly_group): Walk resolved dependency list.
14855         (force_new_group): Emit group ending nop for Power6/Power7.
14856         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
14857         (group_ending_nop): New define_insn.
14858
14859 2012-05-24  Dodji Seketeli  <dodji@redhat.com>
14860
14861         Make unwound macro expansion trace less redundant
14862         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Don't print
14863         context of macro definition in the trace, when it's redundant.
14864         Update comments.
14865
14866 2012-05-24  Richard Guenther  <rguenther@suse.de>
14867
14868         PR middle-end/53460
14869         * tree-profile.c (tree_profiling): Cleanup the CFG if
14870         execute_fixup_cfg requests it.
14871
14872 2012-05-24  Richard Guenther  <rguenther@suse.de>
14873
14874         * tree-flow.h (create_var_ann): Remove.
14875         * tree-dfa.c (create_var_ann): Remove and inline into its
14876         single caller ...
14877         (add_referenced_var_1): ... here.
14878         * varpool.c (add_new_static_var): Do not call add_referenced_var
14879         for global vars.
14880         * gimple-fold.c (canonicalize_constructor_val): Likewise.
14881         * tree-switch-conversion.c (build_one_array): Likewise.
14882         * tree-profile.c (gimple_gen_ic_profiler): Likewise.
14883         * tree-flow-inline.h (gimple_referenced_vars): Guard against
14884         NULL fn argument.
14885         * tree-inline.c (remap_gimple_op_r): Likewise.  Check
14886         gimple_referenced_vars instead of gimple_in_ssa_p.
14887         (copy_tree_body_r): Likewise.
14888         (setup_one_parameter): Likewise.
14889         (declare_return_variable): Likewise.
14890         (tree_function_versioning): Likewise.
14891
14892 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
14893
14894         PR tree-optimization/53465
14895         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
14896         vr0 into *vr, then vrp_meet that.
14897         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
14898         have any equivalences.
14899         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
14900         first time.
14901
14902 2012-05-24  Jim MacArthur  <jim.macarthur@arm.com>
14903
14904         * recog.c (reg_fits_class_p): Check both regno and regno + offset are
14905         hard registers.
14906         * regs.h (in_hard_reg_set_p): Assert that regno is a hard register and
14907         check end_regno - 1 is a hard register.
14908
14909 2012-05-24  Richard Guenther  <rguenther@suse.de>
14910
14911         * varpool.c (add_new_static_var): Remove call to create_var_ann.
14912         * tree-ssa-operands.c (create_vop_var): Likewise.
14913
14914 2012-05-24  Richard Guenther  <rguenther@suse.de>
14915
14916         PR bootstrap/53466
14917         * tree-ssa-live.c (remove_unused_scope_block_p): Properly
14918         handle globals.
14919         (remove_unused_locals): Pass global_unused_vars to
14920         remove_unused_scope_block_p.  Restore code walking all
14921         referenced vars and pruning them.
14922
14923 2012-05-23  Jan Hubicka  <jh@suse.cz>
14924
14925         * tree.h (alias_diag_flags): Remove.
14926         (alias_pair): Remove emitted_diags.
14927         (finish_aliases_1, finish_aliases_2, remove_unreachable_alias_pairs,
14928         symbol_alias_set_t, symbol_alias_set_destroy,
14929         symbol_alias_set_contains, propagate_aliases_backward): Remove.
14930         * toplev.c (compile_file): Do not call finish_aliases_2
14931         * cgraphunit.c (cgraph_process_new_functions): Do not call
14932         finish_aliases_1.
14933         (handle_alias_pairs): Output diagnostics about aliases to externals.
14934         (assemble_thunks_and_aliases): Use do_assemble_alias.
14935         (output_weakrefs): Likewise.
14936         (finalize_compilation_unit): Do not call finish_aliases_1.
14937         * ipa.c (symtab_remove_unreachable_nodes): De not call
14938         remove_unreachable_alias_pairs.
14939         * varasm.c (do_assemble_alias): Export.
14940         (symbol_alias_set_create, symbol_alias_set_destroy,
14941         symbol_alias_set_contains, symbol_alias_set_insert,
14942         propagate_aliases_forward, propagate_aliases_backward,
14943         propagate_aliases_backward, trivially_visible_alias,
14944         trivially_defined_alias, remove_unreachable_alias_pairs,
14945         finish_aliases_1, finish_aliases_2, assemble_alias): Remove.
14946         * output.h (do_assemble_alias): Declare.
14947         * varpool.c (varpool_remove_unreferenced_decls): Do not call
14948         finish_aliases_1.
14949
14950 2012-05-23  Martin Jambor  <mjambor@suse.cz>
14951
14952         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
14953
14954 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
14955
14956         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
14957         size handling.
14958         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
14959         (iterative_hash_gimple_type): Adjust comment.
14960         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
14961         domain for an array type instead of the domain type itself.
14962
14963 2012-05-23  Richard Guenther  <rguenther@suse.de>
14964
14965         PR tree-optimization/53438
14966         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
14967
14968 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
14969
14970         PR target/53448
14971         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
14972         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
14973         ASM_OUTPUT_ALIGN.
14974
14975 2012-05-23  Richard Guenther  <rguenther@suse.de>
14976
14977         * tree-dfa.c (add_referenced_var_1): Do not add global vars.
14978         * tree-ssa-live.c (mark_all_vars_used_1): Handle global vars
14979         via the global_unused_vars bitmap.
14980         (remove_unused_locals): Handle global vars in local-decls via
14981         a global_unused_vars bitmap instead of the used flag in the
14982         var annotation.  Simplify global variable handling and removal.
14983
14984 2012-05-22  Jan Hubicka  <jh@suse.cz>
14985
14986         PR middle-end/53426
14987         * tree-ssa-structalias.c (create_variable_info_for): Skip constructors
14988         from other partitions.
14989
14990 2012-05-22  Jan Hubicka  <jh@suse.cz>
14991
14992         PR middle-end/53161
14993         * symtab.c (symtab_register_node): Fix ordering issue.
14994
14995 2012-05-22  Steven Drake <sbd@NetBSD.org>
14996
14997         * gcc.c (do_spec_1): Add %M spec token to output multilib_os_dir.
14998
14999 2012-05-22  David Edelsohn  <dje.gcc@gmail.com>
15000
15001         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
15002         Use strip_name_encoding target hook.
15003
15004 2012-05-22  Richard Guenther  <rguenther@suse.de>
15005
15006         * tree.h (VAR_DECL_IS_VIRTUAL_OPERAND): New.
15007         (init_function_for_compilation): Remove.
15008         * tree-dfa.c (find_vars_r): Take struct function argument.
15009         (find_referenced_vars_in): Adjust.
15010         * tree-ssa-operands.c (clobber_stats): Remove.
15011         (create_vop_var): Take struct function argument.  Mark
15012         virtual operand with VAR_DECL_IS_VIRTUAL_OPERAND.
15013         (init_ssa_operands): Take struct function argument.
15014         (fini_ssa_operands): Do not dump dead stats.
15015         * tree-ssa-operands.h (init_ssa_operands): Take struct function
15016         argument.
15017         * cgraphunit.c (init_lowered_empty_function): Adjust.
15018         * lto-streamer-in.c (input_cfg): Likewise.
15019         * tree-inline.c (initialize_cfun): Likewise.
15020         * tree-into-ssa.c (rewrite_into_ssa): Likewise.
15021         * omp-low.c (expand_omp_taskreg): Likewise.  Avoid switching cfun.
15022         * gimple.c (is_gimple_reg): Optimize the SSA_NAME case,
15023         virtual operands are not registers.
15024
15025 2012-05-22  Richard Guenther  <rguenther@suse.de>
15026
15027         * tree-cfg.c (verify_gimple_assign_unary): Fix typo in previous commit.
15028
15029 2012-05-22  Richard Guenther  <rguenther@suse.de>
15030
15031         PR middle-end/53437
15032         * tree-inline.c (setup_one_parameter): Create a dummy init
15033         statement for unused parameters when not optimizing.
15034
15035 2012-05-22  Richard Guenther  <rguenther@suse.de>
15036
15037         * tree-flow.h (add_referenced_var_1): Declare.
15038         (add_referenced_var): Define.
15039         * tree-dfa.c (referenced_var_check_and_insert): Avoid one hash lookup.
15040         (add_referenced_var): Rename to ...
15041         (add_referenced_var_1): ... this.  Take struct function argument.
15042
15043 2012-05-22  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
15044
15045         PR target/53334
15046         * config/arm/arm-protos.h (arm_validize_comparison): Declare.
15047         * config/arm/arm.c (arm_validize_comparison): Define.
15048         * config/arm/arm.md ("cbranchsi4"): Cleanup expansion and use
15049         arm_validize_comparison.
15050         ("cbranchdi4"): Likewise.
15051         ("cstoredi4"): Likewise.
15052         ("movsicc"): Likewise.
15053         ("movsfcc"): Likewise.
15054         ("movdfcc"): Likewise.
15055
15056 2012-05-22  Dimitrios Apostolou  <jimis@gmx.net>
15057
15058         * df-scan.c (df_scan_alloc): Round up allocation pools size, reduce
15059         the mw_reg_pool size.
15060
15061 2012-05-22  Paolo Bonzini  <bonzini@gnu.org>
15062
15063         PR tree-optimization/53336
15064         * tree-cfg.c (verify_gimple_assign_unary): Allow conversion from
15065         non-integer integral types to offset type and vice versa.
15066
15067 2012-05-22  Alan Modra  <amodra@gmail.com>
15068
15069         * config/rs6000/aix.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
15070         * config/rs6000/darwin.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
15071         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE,
15072         V_SAVE_INLINE): Delete.
15073         * config/rs6000/rs6000.c (V_SAVE_INLINE): Delete.
15074         (rs6000_savres_strategy): Reimplement GP/FP/V_SAVE_INLINE logic.
15075         For ELF targets, use out-of-line restores for -Os and any number
15076         of regs if the restore exits, and out-of-line gp save for two or
15077         more regs.  Use save_reg_p to test for holes in reg restore set.
15078         Replace "#if" with "if".
15079
15080 2012-05-22  Alan Modra  <amodra@gmail.com>
15081
15082         * config/rs6000/rs6000.c (save_reg_p): New function.
15083         (first_reg_to_save, first_fp_reg_to_save): Use it here.
15084         (first_altivec_reg_to_save, restore_saved_cr): Likewise.
15085         (emit_frame_save): Use gen_frame_store.
15086         (gen_frame_mem_offset): Correct SPE condition requiring reg+reg.
15087         (rs6000_emit_prologue): Use save_reg_p.  Use gen_frame_store for
15088         vrsave and toc.
15089         (rs6000_emit_epilogue): Use save_reg_p.  Use gen_frame_load for
15090         vrsave, toc, gp and fp restores.
15091
15092 2012-05-22  Alan Modra  <amodra@gmail.com>
15093
15094         * config/rs6000/rs6000.c: Delete unnecessary forward declarations.
15095         Move those with ATTRIBUTE_UNUSED to immediately before definitions.
15096         Move function pointer variables after forward declarations.
15097         (rs6000_builtin_support_vector_misalignment): Make static.
15098         (rs6000_legitimate_address_p, rs6000_gimplify_va_arg): Likewise.
15099         (rs6000_function_value, rs6000_can_eliminate): Likewise.
15100
15101 2012-05-21  Bernd Schmidt  <bernds@codesourcery.com>
15102
15103         PR rtl-optimization/53373
15104         * caller-save.c (save_call_clobbered_regs): Look into a possible
15105         PARALLEL manually rather than using single_set on a call insn.
15106
15107 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
15108
15109         PR tree-optimization/53436
15110         * omp-low.c (omp_build_component_ref): New function.
15111         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
15112
15113 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
15114
15115         * config/i386/i386.c (put_condition_code): Change "reverse" and "fp"
15116         arguments to bool.
15117         (ix86_print_operand) <case 'O'>: Look at mode size of the operand.
15118         Do not print '.' here.  Output operand lossage error for unhandled
15119         sizes.  Move.
15120         <case '*'>: Move.
15121         <case '&'>: Ditto.
15122         <case 'Y'>: Ditto.
15123         <case 'z'>: Hardcode "code" argument into error strings.
15124         <case 'Z'>: Ditto.
15125         <case 'D'>: Merge AVX and non-AVX codes.
15126         <case 'C', case 'c', case 'F', case 'f'>: Merge.  Fix error string.
15127         Update call to put_condition_code.
15128
15129 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
15130
15131         * config/m68k/m68k.md (*clzsi2_cf): Renamed from clzsi2.  Call
15132         CC_STATUS_INIT.
15133         (clzsi2): New expander.
15134         (*clzsi2_68k): New insn.
15135         * config/m68k/m68k.h: Update comment about CLZ_DEFINED_VALUE_AT_ZERO.
15136
15137 2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
15138
15139         * gimple.h (gimple_set_in_transaction): Remove.
15140         (gimple_in_transaction): Look in BB instead.
15141         (gimple_statement_base): Remove in_transaction field.
15142         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
15143         * trans-mem.c (compute_transaction_bits): Place transaction bit
15144         information into basic blocks.
15145
15146 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
15147
15148         * expr.c (get_def_for_expr_class): Define only if
15149         HAVE_conditional_move.
15150         (convert_tree_comp_to_rtx): Likewise.
15151
15152 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
15153
15154         PR target/53399
15155         * config/i386/i386.md (ffs<mode>2): Generate CCCmode compare
15156         for TARGET_BMI.
15157         (ffssi2_no_cmove): Ditto.
15158         (*ffs<mode>_1): Remove insn pattern.
15159         (*tzcnt<mode>_1): New insn pattern.
15160         (*bsf<mode>1): Ditto.
15161
15162 2012-05-21  Richard Guenther  <rguenther@suse.de>
15163
15164         * tree-dfa.c (add_referenced_var): Do not walk DECL_INITIAL for
15165         more referenced vars.
15166         * tree-ssa-live.c (mark_all_vars_used_1): Only set the used
15167         flag on variables that have a var-annotation.
15168
15169 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
15170
15171         PR c/53418
15172         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
15173         from folded operands before wrapping another around the
15174         conditional expression.
15175
15176 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
15177
15178         PR tree-optimization/53366
15179         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
15180         tests if complex_numbers == 2, but there are non-complex number loads
15181         too.
15182
15183         PR tree-optimization/53409
15184         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
15185         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
15186
15187         PR tree-optimization/53410
15188         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
15189         instead of build_int_cst (type, 0) where vector types might be
15190         involved. Instead of build_int_cst (type, 1) convert the original
15191         integer_onep argument to the desired type.
15192
15193 2012-05-21  Michael Matz  <matz@suse.de>
15194
15195         * genattrtab.c (attr_rtx_cost): Move earlier, start with cost being 1.
15196         (simplify_test_exp): Handle one more case of distributive law,
15197         decrease cost threshold.
15198         (tests_attr_p, get_attr_order): New functions.
15199         (optimize_attrs): Use topological order, inline only cheap values.
15200         (write_attr_set): Reset our_known_true after some time.
15201
15202 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
15203
15204         PR target/53425
15205         * config/i386/i386.c (type_natural_mode): Warn passing SSE
15206         vector argument without SSE enabled changes the ABI.
15207
15208 2012-05-21  Richard Guenther  <rguenther@suse.de>
15209
15210         PR tree-optimization/53408
15211         * tree-vect-loop.c (vectorizable_induction): Properly check
15212         the restriction that we cannot handle induction results from
15213         the inner loop outside of the outer loop.
15214
15215 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
15216
15217         PR target/53416
15218         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
15219         (UNSPECV_RDRAND): This.
15220         (rdrand<mode>_1): Updated.
15221
15222 2012-05-21  Richard Guenther  <rguenther@suse.de>
15223
15224         * tree-loop-distribution.c (can_generate_builtin): Reject
15225         volatile stmts.
15226
15227 2012-05-21  Chung-Lin Tang  <cltang@codesourcery.com>
15228
15229         * Makefile.in (options.c): Add options.h to included header
15230         files, before tm.h.
15231
15232 2012-05-21  Razya Ladelsky  <razya@il.ibm.com>
15233
15234         * tree-parloops.c : Add myself to contributors, update
15235         TODO list, add link to wiki.
15236
15237 2012-05-21  Alan Modra  <amodra@gmail.com>
15238
15239         * config/rs6000/predicates.md (input_operand): Don't match
15240         constant pool addresses.  Remove label_ref, high and plus from
15241         match_code list.  Remove redundant CONSTANT_P test.
15242         (splat_input_operand): Similarly update match_code list.
15243         (small_toc_ref): New predicate.
15244         * config/rs6000/rs6000-protos.h (toc_relative_expr_p): Update prototype.
15245         * config/rs6000/rs6000.c (tocrel_base, tocrel_offset): Make const.
15246         (legitimate_constant_pool_address_p): Move TARGET_TOC test and
15247         register checks to..
15248         (toc_relative_expr_p): ..here.  Add "strict" param.  Match new rtl
15249         generated by create_TOC_reference.
15250         (rs6000_legitimize_address): Update cerate_TOC_reference call.
15251         (rs6000_delegitimize_address): Handle new rtl for toc refs.
15252         (rs6000_cannot_force_const_mem, rs6000_find_base_term): Likewise.
15253         (use_toc_relative_ref): New function, split out from..
15254         (rs6000_emit_move): ..here.  Remove redundant tests.  Update
15255         create_TOC_reference calls.
15256         (rs6000_legitimize_reload_address): Formatting.  Handle splitting
15257         of medium/large model toc addresses.  Use use_toc_relative_ref.
15258         (print_operand): Formatting, style.  Adjust for toc changes.
15259         (print_operand_address): Likewise.
15260         (rs6000_output_addr_const_extra): Likewise.
15261         (create_TOC_reference): Put TOC_REGISTER in UNSPEC_TOCREL rather
15262         than a PLUS.  Use this formulation for both high and low part
15263         of -mcmodel=medium/large toc reference too.  Before reload,
15264         always use the small model formulation.
15265         * config/rs6000/rs6000.md (tls_gd, tls_gd_high): Similarly avoid
15266         a PLUS in high part of addresses here.
15267         (tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
15268         (tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.
15269         (largetoc_high, largetoc_low): Move earlier.  Cope when no
15270         base reg available.
15271         (largetoc_high_plus): New insn.
15272         (movsi_internal1, movsi_internal1_single, movsf_softfloat,
15273         movdi_mfpgpr, movdi_internal64): Don't handle 'R' constraint here..
15274         (tocref): ..instead do so here, new insn and split.
15275
15276 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
15277
15278         * config/i386/driver-i386.c (host_detect_local_cpu): Support
15279         RDRND, F16C and FSGSBASE.
15280
15281 2012-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15282
15283         PR rtl-optimzation/53373
15284         * config/pa/pa.md (call_symref_pic): Don't expose PIC register save in
15285         call pattern.  Update split patterns.
15286         (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
15287         call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
15288
15289 2012-05-20  Razya Ladelsky  <razya@il.ibm.com>
15290
15291         * tree-parloops.c (gen_parallel_loop): Change many_iterations_cond
15292         for outer loops.
15293
15294 2012-05-18  Jan Hubicka  <jh@suse.cz>
15295
15296         * cgraphunit.c (handle_alias_pairs): Declare; free alias_pairs
15297         (cgraph_process_new_functions): Process also aliases.
15298         * lto-streamer-out.c (struct sets): Remove.
15299         (trivally_defined_alias): Remove.
15300         (output_alias_pair_p): Remove.
15301         (output_unreferenced_globals): Remove.
15302         (produce_symtab); Do not handle alias pairs.
15303         (produce_asm_for_decls): Likewise.
15304         * lto-streamer-in.c (input_alias_pairs): Remove.
15305         (lto_read_body): Do not input alias pairs.
15306         (lto_input_constructors_and_inits): Remove.
15307
15308 2012-05-18  Jan Hubicka  <jh@suse.cz>
15309
15310         * cgraphunit.c (handle_alias_pairs): Cleanup; handle all types of
15311         aliases.
15312
15313 2012-05-18  Jan Hubicka  <jh@suse.cz>
15314
15315         * cgraphbuild.c (record_reference): Update.
15316         * lto-cgraph.c (lto_output_varpool_node): External vars
15317         are not in other partition even if they are not output
15318         in current partition.
15319         * gimple-fold.c (can_refer_decl_in_current_unit_p): Take FROM_DECL
15320         argument; fix.
15321         (canonicalize_constructor_val): Take FROM_DECL argument.
15322         (fold_ctor_reference, fold_string_cst_ctor_reference,
15323         fold_array_ctor_reference, fold_nonarray_ctor_reference,
15324         fold_ctor_reference): Likewise.
15325         (fold_const_aggregate_ref_1, gimple_get_virt_method_for_binfo): Update.
15326         * gimple.h (gimple_fold_builtin): Likewise.
15327
15328 2012-05-18  Olivier Hainque  <hainque@adacore.com>
15329
15330         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
15331         $(libsubdir) as libexecsubdir.
15332
15333 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15334
15335         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
15336         relied on signed overflow behavior.
15337
15338 2012-05-18  Richard Guenther  <rguenther@suse.de>
15339
15340         PR tree-optimization/53346
15341         * tree-loop-distribution.c (ldist_gen): Make sure to apply
15342         builtin transform even when only a single partition with
15343         all reads/writes exists.
15344
15345 2012-05-18  Richard Guenther  <rguenther@suse.de>
15346
15347         PR tree-optimization/53390
15348         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Ignore
15349         strided loads.
15350
15351 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15352
15353         * tree-ssa-reassoc.c (bip_map): Remove decl.
15354         (completely_remove_stmt): Remove function.
15355         (remove_def_if_absorbed_call): Remove function.
15356         (remove_visited_stmt_chain): Remove __builtin_powi handling.
15357         (possibly_move_powi): Remove function.
15358         (rewrite_expr_tree): Remove calls to possibly_move_powi.
15359         (rewrite_expr_tree_parallel): Likewise.
15360         (attempt_builtin_powi): Build multiplies explicitly rather than
15361         relying on the ops vector and rank system.
15362         (transform_stmt_to_copy): New function.
15363         (transform_stmt_to_multiply): Likewise.
15364         (reassociate_bb): Handle leftover operations after __builtin_powi
15365         optimization; build a final multiply if necessary.
15366
15367 2012-05-18  Jan Hubicka  <jh@suse.cz>
15368
15369         * cgraphunit.c (varpool_finalize_decl): Allow external decls.
15370         (mark_functions_to_output): Fix sanity check.
15371         * ipa.c (function_and_variable_visibility): Remove TREE_STATIC check.
15372
15373 2012-05-18  Richard Guenther  <rguenther@suse.de>
15374
15375         * tree-flow.h (mark_symbols_for_renaming): Remove.
15376         * tree-dfa.c (mark_symbols_for_renaming): Likewise.
15377         * tree-inline.c (copy_edges_for_bb): Do not mark symbols for renaming.
15378         (copy_debug_stmt): Likewise.
15379         (expand_call_inline): Likewise.
15380         (declare_return_variable): Mark the return variable for renaming
15381         if necessary.
15382
15383 2012-05-18  Andrew Stubbs  <ams@codesourcery.com>
15384
15385         * config/arm/arm-protos.h (arm_emit_coreregs_64bit_shift): New
15386         prototype.
15387         * config/arm/arm.c (arm_emit_coreregs_64bit_shift): New function.
15388         * config/arm/arm.md (ashldi3): Use arm_emit_coreregs_64bit_shift.
15389         (ashrdi3,lshrdi3): Likewise.
15390         (arm_cond_branch): Remove '*' to enable gen_arm_cond_branch.
15391
15392 2012-05-18  Meador Inge  <meadori@codesourcery.com>
15393
15394         PR rtl-optimization/53352
15395         * cse.c (equiv_constant): Ignore paradoxical subregs.
15396
15397 2012-05-17  Steven Bosscher  <steven@gcc.gnu.org>
15398
15399         PR rtl-optimization/53125
15400         * regstat.c (regstat_bb_compute_ri): Take new local_live_last_luid
15401         argument.  Simplify calculation of REG_LIVE_LENGTH for regnos that
15402         die in the basic block.  Correctly top off REG_FREQ and
15403         REG_FREQ_CALLS_CROSSED.
15404         Remove do_not_gen.
15405         (regstat_compute_ri): Allocate and free local_live_last_luid.
15406         Remove do_not_gen.
15407         (regstat_bb_compute_calls_crossed): Correctly top off
15408         REG_FREQ_CALLS_CROSSED.
15409
15410 2012-05-17  Jan Hubicka  <jh@suse.cz>
15411
15412         * lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with
15413         constructor over decl without.
15414         * cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
15415         * cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
15416         * cgraphunit.c (process_function_and_variable_attributes): Finalize
15417         extrnal decls.
15418         (mark_functions_to_output): Also accept bodies for functions with
15419         clones.
15420         (output_in_order): Skip external vars.
15421         * lto-cgraph.c (lto_output_node): External functions are never in other
15422         partition.
15423         (lto_output_varpool_node): Likewise.
15424         * lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
15425         forgotten initializers.
15426         * ipa.c (process_references): Handle external vars.
15427         (symtab_remove_unreachable_nodes): Update to handle external vars.
15428         (varpool_externally_visible_p): External vars are externally visible.
15429         * gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
15430         * varpool.c (varpool_remove_node): Remove constructor.
15431         (decide_is_variable_needed): Handle externals.
15432         (varpool_remove_unreferenced_decls): Likewise.
15433
15434 2012-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15435
15436         * opts.c (common_handle_option): -pedantic-errors enables -Wpedantic.
15437         (enable_warning_as_error): Do not special case Wuninitialized.
15438         * optc-gen.awk: Add sanity checks.
15439
15440 2012-05-17  Jan Hubicka  <jh@suse.cz>
15441
15442         * ipa-reference.c (is_proper_for_analysis): Do not check flags
15443         that might change as result of global optimization.
15444         (analyze_function): Do not check analyzed and externally_visible
15445         flags; be happy about address dereferences.
15446         (propagate): Prune all_module_statics so it really contains just
15447         statics; prune all the local summaries.
15448         (ipa_reference_write_optimization_summary): Simplify.
15449
15450 2012-05-17  Kwok Cheung Yeung  <kcy@codesourcery.com>
15451
15452         * config/m68k/m68k-devices.def: Add 51ag, 51je, 51jf, 51jg, 51mm, 51qm.
15453         * config/m68k/m68k-tables.opt: Regenerated.
15454         * doc/invoke.texi (M680x0 Options): Document.
15455
15456 2012-05-16  Dave Boutcher  <daveboutcher@gmail.com>
15457             Patrick Marlier  <patrick.marlier@gmail.com>
15458
15459         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
15460         indirect calls.
15461
15462 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
15463
15464         * configure: Regenerated.
15465
15466 2012-05-16  Andrew Pinski  <apinski@cavium.com>
15467
15468         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
15469         GIMPLE_ASSIGN.
15470
15471 2012-05-16  David S. Miller  <davem@davemloft.net>
15472
15473         * jump.c (delete_related_insns): If we remove a CALL, make sure
15474         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
15475
15476 2012-05-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15477
15478         PR tree-optimization/53217
15479         * tree-ssa-reassoc.c (bip_map): New static variable.
15480         (possibly_move_powi): Move feeding multiplies with __builtin_powi call.
15481         (attempt_builtin_powi): Save feeding multiplies on a stack.
15482         (reassociate_bb): Create and destroy bip_map.
15483
15484 2012-05-16  Olivier Hainque  <hainque@adacore.com>
15485
15486         * Makefile.in (install-no-fixedincludes): New target, former toplevel
15487         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
15488         Add comments and improve stamp preservation across the whole sequence.
15489         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
15490
15491 2012-05-16  Richard Guenther  <rguenther@suse.de>
15492
15493         * tree-inline.c (insert_init_stmt): Do not call
15494         mark_symbols_for_renaming.
15495         (setup_one_parameter): Avoid initializing unused parameters.
15496         (declare_return_variable): Properly handle DECL_BY_REFERENCE
15497         return vars in SSA form.
15498
15499 2012-05-16  Richard Guenther  <rguenther@suse.de>
15500
15501         * tree-flow.h (get_virtual_var): Remove.
15502         * tree-dfa.c (get_virtual_var): Likewise.
15503
15504 2012-05-16  Richard Guenther  <rguenther@suse.de>
15505
15506         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
15507         Remove set-only bitmap of new names.
15508         (slpeel_tree_peel_loop_to_edge): Likewise.  Do not set
15509         CFG hooks.
15510         * tree-flow.h (ssa_names_to_replace): Remove.
15511         * tree-into-ssa.c (ssa_names_to_replace): Likewise.
15512
15513 2012-05-16  Richard Guenther  <rguenther@suse.de>
15514
15515         PR tree-optimization/53364
15516         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
15517         detect a view-conversion of the decl.
15518
15519 2012-05-16  Dodji Seketeli  <dodji@redhat.com>
15520
15521         PR preprocessor/7263
15522         * c-tree.h (enum c_declspec_word): Declare new enum.
15523         (struct c_declspecs::locations): New member.
15524         (declspecs_add_qual, declspecs_add_scspec)
15525         (declspecs_add_addrspace, declspecs_add_alignas): Take a new
15526         location parameter.
15527         * c-decl.c (build_null_declspecs): Initialize the new struct
15528         c_declspecs::locations member.
15529         (declspecs_add_addrspace): Take a location parameter for the
15530         address space.  Store it onto declaration specifiers.
15531         (declspecs_add_qual): Likewise, take a location parameter for the
15532         qualifier.
15533         (declspecs_add_type): Likewise, take a location parameter for the
15534         type specifier.
15535         (declspecs_add_scspec): Likewise, take a location parameter for
15536         the storage class specifier.
15537         (declspecs_add_attrs): Likewise, take a location parameter for the
15538         first attribute.
15539         (declspecs_add_alignas): Likewise, take a location parameter for
15540         the alignas token.
15541         (finish_declspecs): For diagnostics, use the location of the
15542         relevant declspec, instead of the global input_location.
15543         * c-parser.c (c_parser_parameter_declaration): Pass the precise
15544         virtual location of the declspec to the declspecs-setters.
15545         (c_parser_declspecs): Likewise.  Avoid calling c_parser_peek_token
15546         repeatedly.
15547
15548 2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
15549
15550         * configure.ac: Stack protector enabling for Android targets.
15551         * configure: Regenerate.
15552
15553 2012-05-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
15554
15555         * ira.c (pseudo_move_insn): Delete.
15556         (find_moveable_pseudos): Don't set it.
15557         (move_unallocated_pseudos): Use DF_REG_DEF_CHAIN to find
15558         the definitions of the original pseudo.  Delete all of them.
15559
15560 2012-05-16  Olivier Hainque  <hainque@adacore.com>
15561
15562         * config/rs6000/rs6000-opts.h (enum processor_type): Add
15563         PROCESSOR_PPC8548.
15564         * config/rs6000/rs6000-cpus.def: Reference it for cpu="8548".
15565         * config/rs6000/rs6000.md (cpu attribute definition): Add ppc8548.
15566         * config/rs6000/8540.md: indicate that the units/patterns apply to
15567         ppc8548 as well.
15568
15569         * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
15570         default_cpu into implicit_cpu, conveying what --with-cpu was passed at
15571         configure time. Treat implicit_cpu as have_CPU. Pick defaults for SPE
15572         related flags,  check that what is queried is supported by the selected
15573         configuration. Rework the single/double_float and MASK_STRING resets to
15574         hit for all the E500 cores (854x + E500MC variants). Select the ppc8540
15575         costs for PROCESSOR_PPC8548 as well.
15576         (rs6000_issue_rate): case CPU_PPC8548 together with CPU_PPC8540.
15577         (rs6000_use_sched_lookahead): Likewise, rewriting function as a case
15578         statement instead of a sequence of ifs.
15579
15580         * config/rs6000/rs6000.h (TARGET_E500): Remove.
15581         (TARGET_NO_LWSYNC): Adjust accordingly.
15582         * config/rs6000/e500.h (TARGET_E500): Remove.
15583         (CHECK_E500_OPTIONS): Adjust accordingly.
15584         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove.
15585         (TARGET_DEFAULT): Reformat definition to match the one in linuxspe.h.
15586         * config/rs6000/linuxspe.h: Likewise.
15587         * config/rs6000/vxworks.h: Remove bogus TARGET_E500 overrides and
15588         superfluous comments.
15589         * config/rs6000/e500-double.h: Remove.
15590
15591         * config.gcc (pick a default with_cpu): For powerpc*-*-*spe*,
15592         default to with_cpu=8548 if --enable-e500-double, and to 8540
15593         otherwise.
15594         (set misc flags section): For powerpc*|rs6000*, remove inclusion
15595         of e500-double.h for --enable-e500-double.
15596
15597 2012-05-16  Olivier Hainque  <hainque@adacore.com>
15598
15599         * Makefile.in (s-header-vars): Resort to -n instead of trailing
15600         -e d in sed invocation.
15601
15602 2012-05-16  Hans-Peter Nilsson  <hp@axis.com>
15603
15604         * doc/tm.texi.in (Type Layout) <SIZE_TYPE>: Update reference to
15605         source-code.
15606         * doc/tm.texi: Regenerate.
15607
15608 2012-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
15609
15610         * tree.h (EXPR_LOCATION): Use CAN_HAVE_LOCATION_P.
15611
15612 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
15613
15614         PR target/53358
15615         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
15616         that operands[2] is either immediate, or q_regs_operand.
15617
15618 2012-05-15  Richard Guenther  <rguenther@suse.de>
15619
15620         * cgraphunit.c (thunk_adjust): Use make_rename_temp.
15621         (assemble_thunk): Likewise.  Manually rename and register
15622         function arguments.
15623
15624 2012-05-15  Richard Guenther  <rguenther@suse.de>
15625
15626         PR tree-optimization/53355
15627         * tree-vrp.c (extract_range_from_binary_expr_1): Handle LSHIFT_EXPRs
15628         by constants.
15629
15630 2012-05-15  Tristan Gingold  <gingold@adacore.com>
15631
15632         * tree-ssa-strlen.c (get_string_length): Convert lhs if needed.
15633
15634 2012-05-15  Richard Guenther  <rguenther@suse.de>
15635
15636         * gimple.c (gimple_set_modified): Move ...
15637         * gimple.h (gimple_set_modified): ... here.
15638
15639 2012-05-15  Tristan Gingold  <gingold@adacore.com>
15640
15641         * ira-color.c (move_spill_restore): Add a guard.
15642
15643 2012-05-15  Tristan Gingold  <gingold@adacore.com>
15644
15645         * config/ia64/ia64.c (ia64_emit_probe_stack_range): Adjust calls to
15646         plus_constant.
15647
15648 2012-05-15  Eric Botcazou  <ebotcazou@adacore.com>
15649
15650         * gimplify.c (gimplify_init_constructor): Do a block move for very
15651         small objects as well.
15652
15653 2012-05-15  Bernd Schmidt  <bernds@codesourcery.com>
15654
15655         * ira.c (find_moveable_pseudos): Skip registers whose
15656         DF_REG_EQ_USE_COUNT is nonzero.
15657
15658 2012-05-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
15659
15660         * doc/md.texi (fma): Define to only be applicable for single rounding.
15661
15662 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
15663
15664         PR target/46098
15665         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
15666         generate target register for "load" class builtins.
15667
15668         Revert:
15669         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
15670
15671         PR target/46098
15672         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
15673         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
15674         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
15675         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
15676         (<sse>_movu<ssemodesuffix>): New expander.
15677         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
15678         (avx_movdqu<avxmodesuffix>): New expander.
15679         (*sse2_movdqu): Rename from sse2_movdqu.
15680         (sse2_movdqu): New expander.
15681
15682 2012-05-14  Marc Glisse  <marc.glisse@inria.fr>
15683
15684         PR target/52607
15685         * config/i386/i386.c (ix86_expand_vec_perm_const): Move code to ...
15686         (canonicalize_perm): ... new function.
15687         (expand_vec_perm_2vperm2f128_vshuf): New function.
15688         (ix86_expand_vec_perm_const_1): Call it.
15689
15690 2012-05-14  Andrew Pinski  <apinski@cavium.com>
15691             H.J. Lu  <hongjiu.lu@intel.com>
15692             Jakub Jelinek  <jakub@redhat.com>
15693
15694         PR target/53315
15695         * config/i386/i386.md (xbegin_1): Use + in constraint and match_dup.
15696         (xbegin): Updated.
15697
15698 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
15699
15700         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
15701         lineno 1 the same as lineno 0 before first start file directive.
15702         (optimize_macinfo_range): Likewise.
15703
15704         * dwarf2out.c (have_macinfo): Define.
15705         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
15706         attribute, don't force empty compilation unit and don't emit any
15707         .debug_macinfo/.debug_macro section if macinfo_table is empty.
15708
15709 2012-05-14  Georg-Johann Lay  <avr@gjlay.de>
15710
15711         PR target/53344
15712         * config/avr/avr.c (avr_const_address_lo16): Remove.
15713         (avr_assemble_integer):  Print ".byte lo8(x)",
15714         ".byte hi8(x)", ".byte hh8(x)" instead of emit an assembler
15715         .warning if 3-byte address is assembled.
15716         * doc/extend.texi (AVR Named Address Spaces): Document that
15717         binutils 2.23 is needed to assemble 3-byte addresses.
15718
15719 2012-05-14  Richard Guenther  <rguenther@suse.de>
15720
15721         * tree-vect-data-refs.c (vect_setup_realignment): Remove
15722         call to mark_symbols_for_renaming.
15723         (vect_permute_load_chain): Likewise.
15724         * tree-vect-loop.c (vect_is_slp_reduction): Update stmt
15725         instead of calling mark_symbols_for_renaming.
15726         * tree-vect-stmts.c (read_vector_array): Remove call to
15727         mark_symbols_for_renaming.
15728         (write_vector_array): Likewise.
15729         (vectorizable_call): Likewise.
15730         (vectorizable_store): Likewise.
15731         (vectorizable_load): Likewise.
15732         * matrix-reorg.c (transform_allocation_sites): Likewise.
15733         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
15734         (create_expression_by_pieces): Likewise.
15735
15736 2012-05-14  Richard Guenther  <rguenther@suse.de>
15737
15738         * gimplify.c (gimple_regimplify_operands): Only mark the LHS
15739         of statements for renaming.
15740         (force_gimple_operand_1): Likewise, consistently for both
15741         calls to force_gimple_operand and force_gimple_operand_gsi.
15742
15743 2012-05-14  Richard Guenther  <rguenther@suse.de>
15744
15745         * tree-dfa.c (make_rename_temp): Be forgiving if not in SSA form.
15746         * omp-low.c (expand_omp_taskreg): Properly conditionalize call
15747         to update_ssa.
15748         (expand_omp_for): Likewise.
15749         (expand_omp_for_generic): Adjust conditional add to referenced vars.
15750         Use make_rename_temp for temporaries that should be rewritten into
15751         SSA form.
15752         (expand_omp_for_static_nochunk): Likewise.
15753         (expand_omp_atomic_pipeline): Likewise.
15754
15755 2012-05-14  Richard Guenther  <rguenther@suse.de>
15756
15757         PR tree-optimization/53331
15758         * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Ignore
15759         strided loads.
15760         * tree-vect-stmts.c (vect_model_load_cost): Handle strided loads.
15761
15762 2012-05-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15763
15764         PR 53063
15765         * doc/options.texi: (LangEnabledBy): Document it.
15766         * optc-gen.awk: Handle LangEnabledBy.
15767         * opth-gen.awk: Generate declaration for lang-specific functions.
15768         * opt-read.awk: Record lang numbers.
15769         * opt-functions.awk (flag_set_p): Ignore the arguments of flags.
15770         (lang_sanitized_name): New.
15771
15772 2012-05-14  Bernd Schmidt  <bernds@codesourcery.com>
15773
15774         * attribs.c (decl_attributes): Avoid emitting a warning if
15775         ATTR_FLAG_BUILT_IN.
15776         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
15777         codes.  Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
15778         * builtin-attrs.def (DEF_ATTR_FOR_STRING): Define.  Use it to
15779         define a string "1".
15780         (ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
15781         * builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
15782         BUILT_IN_STRCPY): Use it for these functions.
15783         * postreload.c (reload_combine): Deal with SETs inside
15784         CALL_INSN_FUNCTION_USAGE.
15785         * caller-save.c (setup_save_areas, save_call_clobbered_regs):
15786         Look for REG_RETURNED notes and use a cheap restore if possible.
15787         * ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
15788         (ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
15789         * ira-build.c (ira_create_allocno, create_cap_allocno,
15790         propagate_allocno_info, propagate_some_info_from_allocno,
15791         copy_info_to_removed_store_destination, ira_flattening): Handle it.
15792         * ira-lives.c (pseudo_regno_single_word_and_live_p,
15793         find_call_crossed_cheap_reg): New static functions.
15794         (process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
15795         and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible.  Also make
15796         a REG_RETURNED note in that case.
15797         * ira.c (setup_reg_renumber): Change assert to allow cases where
15798         allocnos only cross calls for which they are cheap to restore.
15799         * ira-costs.c (ira_tune_allocno_costs): Compare
15800         ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
15801         than 0.
15802         * reg-notes.def (REG_RETURNED): New note.
15803         * cse.c (cse_insn): Likewise.
15804         * sched-deps.c (sched_analyze_insn): Likewise.
15805         * expr.c (init_block_move_fn): Set a "fn spec" attribute.
15806         * calls.c (decl_return_flags): New static function.
15807         (expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
15808         functions that return one of their arguments.
15809         * regcprop.c (struct kill_set_value_data): New.
15810         (kill_set_value): Interpret data as a pointer to such a struct.
15811         Do nothing if the caller wants the register to be ignored.
15812         (copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
15813
15814 2012-05-14  Richard Guenther  <rguenther@suse.de>
15815
15816         PR tree-optimization/53340
15817         * tree-ssa-pre.c (op_valid_in_sets): Fix error in last commit.
15818
15819 2012-05-14  Richard Guenther  <rguenther@suse.de>
15820
15821         * gimplify.c (gimplify_expr): Remove odd code.
15822
15823 2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
15824
15825         * stor-layout.c (bit_from_pos): Distribute conversion to bitsizetype
15826         into a PLUS_EXPR byte offset.
15827
15828         * tree-ssa-pre.c (can_value_number_call): Delete.
15829         (compute_avail): Skip all statements with side effects.
15830         <GIMPLE_CALL>: Skip calls to internal functions.
15831
15832 2012-05-13  Steven Bosscher  <steven@gcc.gnu.org>
15833
15834         * config/pa/pa.md: Use define_c_enum for "unspec" and "unspecv".
15835
15836 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15837
15838         * common.opt (Wtype-limits): Use EnabledBy.
15839
15840 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
15841
15842         * config/i386/i386.md (*pushtf): Enable for TARGET_SSE.
15843         (pushtf splitter): Ditto.
15844         (movtf): Ditto.
15845         (*movtf_internal): Ditto. Use V4SFmode for !TARGET_SSE2.
15846         (<code>tf2): Enable for TARGET_SSE.
15847         (*absnegtf2_sse): Ditto.
15848         (copysign<mode>3): Enable TFmode for TARGET_SSE.
15849         (copysign<mode>3_const): Ditto.
15850         (copysign<mode>3_var): Ditto.
15851         * config/i386/sse.md (<code>tf3): Enable for TARGET_SSE.
15852         (*andnottf3): Ditto.  Use V4SFmode for !TARGET_SSE2.
15853         (*<code>tf3): Ditto.
15854         * config/i386/i386.c (struct builtin_description bdesc_args)
15855         <IX86_BUILTIN_FABSQ>: Enable for TARGET_SSE.
15856         <IX86_BUILTIN_COPYSIGNQ>: Ditto.
15857         (ix86_expand_builtin) <IX86_BUILTIN_FABSQ, IX86_BUILTIN_COPYSIGNQ>:
15858         Emit a normal call if SSE isn't available.
15859
15860 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
15861
15862         * config/i386/sse.md (<sse>_andnot<mode>3): Handle
15863         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
15864         (<code><mode>3): Ditto.
15865         (*andnot<mode>3): Ditto.
15866         (*andnottf3): Ditto.
15867         (*<code><mode>3): Ditto.
15868         (<code>tf3): Ditto.
15869
15870 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15871
15872         * optc-gen.awk: Error instead of warning for conflicting help.
15873
15874 2012-05-12  Jason Merrill  <jason@redhat.com>
15875
15876         PR debug/53235
15877         * dwarf2out.c (build_local_stub): Prefer DW_AT_signature for
15878         comdat types.
15879
15880 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
15881
15882         * function.c (requires_stack_frame_p): If the function can throw
15883         non-call exceptions, return true if the insn can throw internally.
15884
15885 2012-05-12  Paolo Carlini  <paolo.carlini@oracle.com>
15886
15887         * doc/generic.texi: Rename TYPE_PTRMEM_P to TYPE_PTRDATAMEM_P.
15888
15889 2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
15890
15891         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
15892         ORDERED and UNORDERED conditions.
15893
15894 2012-05-11  Richard Guenther  <rguenther@suse.de>
15895
15896         * tree-flow.h (referenced_var_check_and_insert): Remove.
15897         (find_new_referenced_vars): Likewise.
15898         * tree-dfa.c (referenced_var_check_and_insert): Make static.
15899         (find_new_referenced_vars_1, find_new_referenced_vars): Remove.
15900         * tree-inline.c (copy_bb): Use find_referenced_vars_in
15901         instead of find_new_referenced_vars.
15902         * gimple-fold.c (gimplify_and_update_call_from_tree): Likewise.
15903
15904 2012-05-11  Richard Guenther  <rguenther@suse.de>
15905
15906         * tree-pass.h (pass_rest_of_compilation,
15907         pass_all_optimizations, pass_postreload, pass_all_early_optimizations):
15908         Remove.
15909         * passes.c (pass_all_optimizations, pass_postreload,
15910         pass_all_early_optimizations): Make static.
15911         (pass_rest_of_compilation): Likewise.  Make it an RTL_PASS.
15912         * tree-phinodes.c (init_phinodes, fini_phinodes): Remove.
15913         * tree-ssa.c (init_tree_ssa): Do not call init_phinodes.
15914         (delete_tree_ssa): Do not call fini_phinodes.
15915         * tree-flow.h (init_phinodes, fini_phinodes): Remove.
15916
15917 2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15918
15919         PR 53063
15920         * doc/options.texi (EnabledBy): Document
15921         * opts.c: Include opts.h and options.h before tm.h.
15922         (finish_options): Do not handle some sub-options here...
15923         (common_handle_option): ... instead call common_handle_option_auto
15924         here.
15925         * optc-gen.awk: Handle EnabledBy.
15926         * opth-gen.awk: Declare common_handle_option_auto.
15927         * common.opt (Wuninitialized): Use EnabledBy. Delete Init.
15928         (Wmaybe-uninitialized): Likewise.
15929         (Wunused-but-set-variable): Likewise.
15930         (Wunused-function): Likewise.
15931         (Wunused-label): Likewise.
15932         (Wunused-value): Likewise.
15933         (Wunused-variable): Likewise.
15934         * opt-read.awk: Create opt_numbers array.
15935
15936 2012-05-11  Richard Guenther  <rguenther@suse.de>
15937
15938         PR tree-optimization/53295
15939         * tree-data-ref.h (stride_of_unit_type_p): Handle non-constant
15940         strides.
15941         * tree-data-ref.c (dr_analyze_innermost): Allow non-constant
15942         strides when analyzing data-references in a loop context.
15943         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Reject
15944         non-constant strides for now.
15945         (vect_enhance_data_refs_alignment): Ignore data references
15946         that are strided loads.
15947         (vect_analyze_data_ref_access): Handle non-constant strides.
15948         (vect_check_strided_load): Verify the data-reference is a load.
15949         (vect_analyze_data_refs): Restructure to make strided load
15950         support not dependent on gather support.
15951         * tree-vect-stmts.c (vectorizable_load): Avoid useless work
15952         when doing strided or gather loads.
15953         * tree-vect-loop-manip.c (vect_vfa_segment_size): Use
15954         integer_zerop to compare stride with zero.
15955
15956 2012-05-11  H.J. Lu  <hongjiu.lu@intel.com>
15957
15958         * config/i386/driver-i386.c (host_detect_local_cpu): Support RTM.
15959
15960 2012-05-11  Jan Hubicka  <jh@suse.cz>
15961
15962         PR bootstrap/53300
15963         * varpool.c (varpool_assemble_decl): Also output constat pool entries
15964         that output_constant_pool missed.
15965
15966 2012-05-11  Mingjie Xing  <mingjie.xing@gmail.com>
15967
15968         * config/mips/t-vxworks: Change MUTLILIB_EXTRA_OPTS to
15969         MULTILIB_EXTRA_OPTS.
15970
15971 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
15972
15973         PR target/53291
15974         * config/i386/i386.md (xtest): Use NE condition in ix86_expand_setcc.
15975
15976 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
15977
15978         * config/i386/i386.md (*movti_internal_rex64): Avoid MOVAPS size
15979         optimization for TARGET_AVX.
15980         (*movti_internal_sse): Ditto.
15981         (*movdi_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
15982         (*movdi_internal): Ditto.
15983         (*movsi_internal): Ditto.
15984         (*movtf_internal): Avoid MOVAPS size optimization for TARGET_AVX.
15985         (*movdf_internal_rex64): Ditto.
15986         (*movfd_internal): Ditto.
15987         (*movsf_internal): Ditto.
15988         * config/i386/sse.md (mov<mode>): Handle TARGET_SSE_LOAD0_BY_PXOR.
15989
15990 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
15991
15992         * dwarf2out.c (add_byte_size_attribute) <RECORD_TYPE>: Handle variable
15993         reference as size attribute.
15994
15995 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
15996             Tristan Gingold  <gingold@adacore.com>
15997
15998         * doc/md.texi (Standard Names): Document probe_stack_address.
15999         * explow.c (emit_stack_probe): Handle probe_stack_address.
16000         * config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
16001         (UNSPECV_PROBE_STACK_RANGE): Likewise.
16002         (probe_stack_address): New insn.
16003         (probe_stack_range): Likewise.
16004         * config/ia64/ia64.c: Include common/common-target.h.
16005         (ia64_compute_frame_size): Mark r2 and r3 as used if static stack
16006         checking is enabled.
16007         (ia64_emit_probe_stack_range): New function.
16008         (output_probe_stack_range): Likewise.
16009         (ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
16010         builtin stack checking is enabled.
16011         (rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
16012         and UNSPECV_PROBE_STACK_ADDRESS.
16013         (unknown_for_bundling_p): New predicate.
16014         (group_barrier_needed): Use important_for_bundling_p.
16015         (ia64_dfa_new_cycle): Use unknown_for_bundling_p.
16016         (issue_nops_and_insn): Likewise.
16017         (bundling): Likewise.
16018         (final_emit_insn_group_barriers): Likewise.
16019         * config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
16020         * config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
16021         (STACK_CHECK_PROTECT): Likewise.
16022         * config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
16023
16024 2012-05-10  Jan Hubicka  <jh@suse.cz>
16025
16026         * ipa-inline.c (update_all_callee_keys): Remove.
16027         (inline_small_functions): Simplify priority updating.
16028
16029 2012-05-10  Jan Hubicka  <jh@suse.cz>
16030
16031         * ipa.c (symtab_remove_unreachable_nodes): Fix marking of clones.
16032
16033 2012-05-10  Jan Hubicka  <jh@suse.cz>
16034
16035         * cgraph.h (cgraph_remove_unreachable_nodes): Rename to ...
16036         (symtab_remove_unreachable_nodes): ... this one.
16037         * ipa-cp.c (ipcp_driver): Do not remove unreachable nodes.
16038         * cgraphunit.c (ipa_passes): Update.
16039         * cgraphclones.c (cgraph_materialize_all_clones): Update.
16040         * cgraph.c (cgraph_release_function_body): Only turn initial
16041         into error mark when initial was previously set.
16042         * ipa-inline.c (ipa_inline): Update.
16043         * ipa.c: Include ipa-inline.h
16044         (enqueue_cgraph_node, enqueue_varpool_node): Remove.
16045         (enqueue_node): New function.
16046         (process_references): Update.
16047         (symtab_remove_unreachable_nodes): Cleanup.
16048         * passes.c (execute_todo, execute_one_pass): Update.
16049
16050 2012-05-10  Vladimir Makarov  <vmakarov@redhat.com>
16051
16052         PR rtl-optimization/53125
16053         * ira.c (ira): Call find_moveable_pseudos and
16054         move_unallocated_pseudos if only ira_conflicts_p is true.
16055
16056 2012-05-10  Uros Bizjak  <ubizjak@gmail.com>
16057
16058         * config/i386/i386.md (*movoi_internal_avx): Handle
16059         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.
16060         (*movti_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
16061         (*movti_internal_sse): Ditto.
16062         (*movtf_internal): Ditto.
16063         * config/i386/sse.md (ssePSmode): New mode attribute.
16064         (*move<mode>_internal): Use ssePSmode.
16065         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Ditto.
16066         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
16067         * config/i386/i386.c (standard_sse_constant_opcode): Do not handle
16068         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL here.
16069
16070 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
16071
16072         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
16073         DECL_ORIGINAL_TYPE if it is present.
16074
16075 2012-05-10  Nick Clifton  <nickc@redhat.com>
16076
16077         PR target/53120
16078         * config/m32c/bitops.md (bset_qi): Change operand 2 from having
16079         a "0" constraint to being a (match_dup 0).
16080
16081 2012-05-10  Richard Guenther  <rguenther@suse.de>
16082
16083         * stor-layout.c (byte_from_pos): Amend comment.
16084
16085 2012-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
16086
16087         * doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
16088         Document requirement to call in constructors.
16089
16090         * config/i386/i386.c: Update comments for i386-cpuinfo.c name change.
16091
16092 2012-05-10  Richard Guenther  <rguenther@suse.de>
16093
16094         * tree.h (TYPE_IS_SIZETYPE): Remove.
16095         * fold-const.c (int_const_binop_1): Remove TYPE_IS_SIZETYPE use.
16096         (extract_muldiv_1): Likewise.
16097         * gimple.c (gtc_visit): Likewise.
16098         (gimple_types_compatible_p): Likewise.
16099         (iterative_hash_canonical_type): Likewise.
16100         (gimple_canonical_types_compatible_p): Likewise.
16101         * gimplify.c (gimplify_one_sizepos): Likewise.
16102         * print-tree.c (print_node): Likewise.
16103         * stor-layout.c (initialize_sizetypes): Do not set TYPE_IS_SIZETYPE.
16104
16105 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
16106
16107         PR target/52908
16108         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
16109         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
16110         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
16111         instead of xop_mulv2div2di3_low.
16112         (xop_p<macs>dql): Fix vec_select selector.
16113         (xop_p<macs>dqh): Ditto.
16114         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
16115         (xop_mulv2div2di3_high): Ditto.
16116
16117 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16118
16119         PR c++/53289
16120         * diagnostic.h (diagnostic_context): Add last_location.
16121         * diagnostic.c (diagnostic_initialize): Initialize it.
16122         (diagnostic_show_locus): Use it.
16123
16124 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16125
16126         * doc/extend.texi (Function Attributes): Point xref to section
16127         about Pragmas.
16128
16129 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
16130
16131         * config/i386/i386.c (*movdf_internal_rex64): Remove
16132         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
16133         Calculate "mode" attribute according to
16134         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
16135         (*movdf_internal): Ditto.
16136
16137 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
16138
16139         PR target/44141
16140         * config/i386/i386.c (ix86_expand_vector_move_misalign): Do not handle
16141         128 bit vectors specially for TARGET_AVX.  Emit sse2_movupd and
16142         sse_movupd RTXes for TARGET_AVX, TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
16143         or when optimizing for size.
16144         * config/i386/sse.md (*mov<mode>_internal): Remove
16145         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
16146         Calculate "mode" attribute according to optimize_function_for_size_p
16147         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
16148         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Choose asm template
16149         depending on the mode of the instruction.  Calculate "mode" attribute
16150         according to optimize_function_for_size_p, TARGET_SSE_TYPELESS_STORES
16151         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flags.
16152         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
16153
16154 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
16155
16156         PR target/53256
16157         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
16158         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
16159         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
16160         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
16161         (expand_prologue): Move initialization of cfun->machine->is_naked,
16162         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
16163         (avr_set_current_function): ...this new static function.
16164         (TARGET_SET_CURRENT_FUNCTION): New define.
16165         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
16166         checking attributes of current_function_decl.
16167         (avr_regs_to_save): Ditto.
16168         (signal_function_p): Rename to avr_signal_function_p.
16169         (interrupt_function_p): Rename to avr_interrupt_function_p.
16170
16171         * doc/extend.texi (Function Attributes): Better explanation of
16172         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
16173         alphabetical order.
16174
16175 2012-05-09  Michael Matz  <matz@suse.de>
16176
16177         PR tree-optimization/53185
16178         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Disable
16179         peeling when we see strided loads.
16180
16181 2012-05-09  Matthias Klose  <doko@ubuntu.com>
16182
16183         * gcc-ar.c (main): Don't check for execute bits for the plugin.
16184
16185 2012-05-09  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
16186
16187         * tree-ssa-loop-ivopts.c (add_autoinc_candidates, get_address_cost):
16188         Replace use of HAVE_{POST/PRE}_{INCREMENT/DECREMENT} with
16189         USE_{LOAD/STORE}_{PRE/POST}_{INCREMENT/DECREMENT} appropriately.
16190         * config/arm/arm.h (ARM_AUTOINC_VALID_FOR_MODE_P): New.
16191         (USE_LOAD_POST_INCREMENT): Define.
16192         (USE_LOAD_PRE_INCREMENT): Define.
16193         (USE_LOAD_POST_DECREMENT): Define.
16194         (USE_LOAD_PRE_DECREMENT): Define.
16195         (USE_STORE_PRE_DECREMENT): Define.
16196         (USE_STORE_PRE_INCREMENT): Define.
16197         (USE_STORE_POST_DECREMENT): Define.
16198         (USE_STORE_POST_INCREMENT): Define.
16199         (arm_auto_incmodes): Add enumeration.
16200         * config/arm/arm-protos.h (arm_autoinc_modes_ok_p): Declare.
16201         * config/arm/arm.c (arm_autoinc_modes_ok_p): Define.
16202
16203 2012-05-09  Jakub Jelinek  <jakub@redhat.com>
16204
16205         PR tree-optimization/53226
16206         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Remove
16207         prev and prev_initialized vars, gimple_set_plf (stmt, GF_PLF_1, false)
16208         before processing it and gimple_set_plf (stmt, GF_PLF_1, true) if it
16209         doesn't need to be revisited, look for earliest stmt with
16210         !gimple_plf (stmt, GF_PLF_1) if something changed.
16211
16212 2012-05-09  Terry Guo  <terry.guo@arm.com>
16213
16214         * genmultilib: Update copyright dates.
16215         * doc/fragments.texi: Ditto.
16216
16217 2012-05-09  Terry Guo  <terry.guo@arm.com>
16218
16219         * Makefile.in (s-mlib): Add new argument MULTILIB_REQUIRED.
16220         * genmultilib (MULTILIB_REQUIRED): New.
16221         * doc/fragments.texi: Document the MULTILIB_REQUIRED.
16222
16223 2012-05-09  Richard Guenther  <rguenther@suse.de>
16224
16225         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
16226         (vect_do_peeling_for_loop_bound): Likewise.
16227         (vect_do_peeling_for_alignment): Likewise.
16228         * tree-vect-loop-manip.c (conservative_cost_threshold): Remove.
16229         (vect_do_peeling_for_loop_bound): Get check_profitability and
16230         threshold as parameters.
16231         (vect_do_peeling_for_alignment): Likewise.
16232         (vect_loop_versioning): Likewise.
16233         * tree-vect-loop.c (vect_transform_loop): Compute check_profitability
16234         and threshold here.  Control where to put the check here.
16235
16236 2012-05-09  Richard Sandiford  <rdsandiford@googlemail.com>
16237
16238         PR middle-end/53249
16239         * dwarf2out.h (get_address_mode): Move declaration to...
16240         * rtl.h: ...here.
16241         * dwarf2out.c (get_address_mode): Move definition to...
16242         * rtlanal.c: ...here.
16243         * var-tracking.c (get_address_mode): Delete.
16244         * combine.c (find_split_point): Use get_address_mode instead of
16245         targetm.addr_space.address_mode.
16246         * cselib.c (cselib_record_sets): Likewise.
16247         * dse.c (canon_address, record_store): Likewise.
16248         * emit-rtl.c (adjust_address_1, offset_address): Likewise.
16249         * expr.c (move_by_pieces, emit_block_move_via_loop, store_by_pieces)
16250         (store_by_pieces_1, expand_assignment, store_expr, store_constructor)
16251         (expand_expr_real_1): Likewise.
16252         * ifcvt.c (noce_try_cmove_arith): Likewise.
16253         * optabs.c (maybe_legitimize_operand_same_code): Likewise.
16254         * reload.c (find_reloads): Likewise.
16255         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
16256         * sel-sched-dump.c (debug_mem_addr_value): Likewise.
16257
16258 2012-05-09  Maciej W. Rozycki  <macro@codesourcery.com>
16259
16260         * config/mips/mips.c (mips16_gp_pseudo_reg): Remove line
16261         information from the instruction produced.
16262
16263 2012-05-09  Richard Guenther  <rguenther@suse.de>
16264
16265         * stor-layout.c (bit_from_pos): Document.
16266         (byte_from_pos): Likewise.  Optimize.
16267         (pos_from_bit): Likewise.
16268         (normalize_offset): Use pos_from_bit instead of replicating it.
16269
16270 2012-05-09  Alan Modra  <amodra@gmail.com>
16271
16272         PR target/53271
16273         * config/rs6000/rs6000.c (gen_frame_set): New function.
16274         (gen_frame_load, gen_frame_store): New functions.
16275         (rs6000_savres_rtx): Use the above.
16276         (rs6000_emit_epilogue, rs6000_emit_prologue): Here too.
16277         Correct mode used for CR2 in save/restore_world patterns.
16278         Don't emit instructions for eh_return frame unwind reg info.
16279
16280 2012-05-08  Jan Hubicka  <jh@suse.cz>
16281
16282         * cgraphbuild.c (build_cgraph_edges): Do not finalize vars
16283         with VALUE_EXPR.
16284         * cgraph.h (varpool_can_remove_if_no_refs): Vars with VALUE_EXPR
16285         are removable.
16286         * toplev.c (wrapup_global_declaration_2): Vars with VALUE_EXPR
16287         need to wrapup.
16288         (compile_file): Do not output variables.
16289         * cgraphbuild.c (varpool_finalize_decl): When var is finalized late,
16290         output it.
16291         * langhooks.c: Include timevar.h
16292         (write_global_declarations): Finalize compilation unit after wrapup;
16293         set timevars correctly.
16294         * passes.c (rest_of_decl_compilation): Decls with VALUE_EXPR needs
16295         not to be added to varpool.
16296         * varpool.c (varpool_assemble_decl): Sanity check that we are called
16297         only on cases where it makes sense; skip constant pool and value expr
16298         vars.
16299
16300 2012-05-08  David S. Miller  <davem@davemloft.net>
16301
16302         * config/sparc/linux.h (LINK_SPEC): Don't pass "-Y" option.
16303         * config/sparc/linux64.h (LINK_ARCH32_SPEC): Likewise.
16304         * config/sparc/linux64.h (LINK_ARCH64_SPEC): Likewise.
16305
16306 2012-05-08  Richard Sandiford  <rdsandiford@googlemail.com>
16307
16308         PR rtl-optimization/53278
16309         * lower-subreg.c (decompose_multiword_subregs): Remove left-over
16310         speed_p code from earlier patch.
16311
16312 2012-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
16313
16314         PR target/51244
16315         * config/sh/sh.md (*branch_true, *branch_false): New insns.
16316
16317 2012-05-08  Teresa Johnson  <tejohnson@google.com>
16318
16319         * gcov-io.h (__gcov_reset, __gcov_dump): Declare.
16320         * doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
16321
16322 2012-05-08  Jan Hubicka  <jh@suse.cz>
16323
16324         * cgraph.c (cgraph_call_edge_duplication_hooks): Export.
16325         (cgraph_create_node_1): Rename to ...
16326         (cgraph_create_empty_node): ... this one; export.
16327         (cgraph_create_node): Update.
16328         (cgraph_set_call_stmt_including_clones): Move to cgraphclones.c
16329         (cgraph_create_edge_including_clones): Likewise.
16330         (cgraph_find_replacement_node): Likewise.
16331         (cgraph_clone_edge): Likewise.
16332         (cgraph_clone_node): Likewise.
16333         (clone_function_name): Likewise.
16334         (cgraph_create_virtual_clone): Likewise.
16335         (cgraph_remove_node_and_inline_clones): Likewise.
16336         (cgraph_redirect_edge_call_stmt_to_callee): Move here from cgraphunit.c
16337         * cgraph.h: Reorder declarations so they match file of origin.
16338         (cgraph_create_empty_node): Declare.
16339         * cgraphunit.c (update_call_expr): Move to cgraphclones.c
16340         (cgraph_copy_node_for_versioning): Likewise.
16341         (cgraph_function_versioning): Likewise.
16342         (cgraph_materialize_clone): Likewise.
16343         (cgraph_redirect_edge_call_stmt_to_callee): Likewise.
16344         (cgraph_materialize_all_clones): Likewise.
16345         * cgraphclones.c: New file.
16346         * Makefile.in: Update for cgraphclones.
16347
16348 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
16349
16350         PR target/53176
16351         * config/i386/i386.c (ix86_set_reg_reg_cost): New function.
16352         (ix86_rtx_costs): Handle SET.
16353
16354 2012-05-08  Michael Matz  <matz@suse.de>
16355
16356         * basic-block.h (struct rtl_bb_info): Remove visited member and
16357         move head_ member to ...
16358         (struct basic_block_def.basic_block_il_dependent): ... the new
16359         member x, replacing but containing old member rtl.
16360         (enum bb_flags): New BB_VISITED flag.
16361         (BB_HEADER, BB_FOOTER): New macros.
16362
16363         * jump.c (mark_all_labels): Adjust.
16364         * cfgcleanup.c (try_optimize_cfg): Adjust.
16365         * cfglayout.c (record_effective_endpoints): Adjust.
16366         (relink_block_chain): Ditto (and don't fiddle with visited).
16367         (fixup_reorder_chain): Adjust.
16368         (fixup_fallthru_exit_predecessor): Ditto.
16369         (cfg_layout_duplicate_bb): Ditto.
16370         * combine.c (update_cfg_for_uncondjump): Adjust.
16371         * bb-reorder.c (struct bbro_basic_block_data_def): Add visited member.
16372         (bb_visited_trace): New accessor.
16373         (mark_bb_visited): Move in front.
16374         (rotate_loop): Use bb_visited_trace.
16375         (find_traces_1_round): Ditto.
16376         (emit_barrier_after): Ditto.
16377         (copy_bb): Ditto, and initialize visited on resize.
16378         (reorder_basic_blocks): Initize visited member.
16379         (duplicate_computed_gotos): Clear bb flags at start, use
16380         BB_VISITED flags.
16381
16382         * cfgrtl.c (try_redirect_by_replacing_jump): Adjust.
16383         (rtl_verify_flow_info_1): Ditto.
16384         (cfg_layout_split_block): Ditto.
16385         (cfg_layout_delete_block): Ditto.
16386         (cfg_layout_merge_blocks): Ditto.
16387         (init_rtl_bb_info): Adjust and initialize il.x.head_ member.
16388
16389 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
16390
16391         PR target/53272
16392         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
16393         when a constant source operand matches an "I" constraint, the "no
16394         CC0 change" applies to a register-destination only, not a
16395         strict_low_part-destination.
16396
16397 2012-05-08  Richard Guenther  <rguenther@suse.de>
16398
16399         * fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
16400         to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.
16401
16402 2012-05-08  Georg-Johann Lay  <avr@gjlay.de>
16403
16404         * Makefile.in (TEXI_GCC_FILES): Add avr-mmcu.texi.
16405
16406         * doc/avr-mmcu.texi: New auto-generated file.
16407         * doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
16408         to document all valid -mmcu= arguments.
16409
16410         * config/avr/avr.h (arch_info_s): New struct definition.
16411         * config/avr/avr-devices.c (avr_texinfo): New variable.
16412         * config/avr/gen-avr-mmcu-texi.c: New file.
16413         * config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
16414
16415 2012-05-08  Dehao Chen  <dehao@google.com>
16416
16417         * predict.c (find_qualified_ssa_name): New.
16418         (find_ssa_name_in_expr): New.
16419         (find_ssa_name_in_assign_stmt): New.
16420         (is_comparison_with_loop_invariant_p): New.
16421         (is_bound_expr_similar): New.
16422         (predict_iv_comparison): New.
16423         (predict_loops): Add heuristic for loop-nested branches that compare an
16424         induction variable to a loop bound variable.
16425         * predict.def (PRED_LOOP_IV_COMPARE): New macro.
16426
16427 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
16428
16429         * config/i386/i386.c (has_dispatch): Use TARGET_BDVER1 and
16430         TARGET_BDVER2 defines where appropriate.
16431
16432 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
16433
16434         * configure.ac (PLUGIN_LD): Rename into...
16435         (PLUGIN_LD_SUFFIX): ...this and strip the target_alias triplet.
16436         * config.in: Regenerate.
16437         * configure: Likewise.
16438         * collect2.c (main): Set plugin_ld_suffix to PLUGIN_LD_SUFFIX.
16439
16440 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
16441
16442         * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
16443         computation using the precision of the index type.
16444         * gimple-fold.c (fold_const_aggregate_ref_1) <ARRAY_REF>: Likewise.
16445         (fold_array_ctor_reference): Do index computations in the index type.
16446
16447 2012-05-07  Georg-Johann Lay  <avr@gjlay.de>
16448
16449         * config/avr/avr.c (avr_prologue_setup_frame): Fix mode passed
16450         down to plus_constant.
16451         (expand_epilogue): Ditto.
16452
16453 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
16454
16455         * postreload.c (reload_cse_regs): Make static.
16456         * reload.h (reload_cse_regs): Remove prototype.
16457
16458 2012-05-07  Richard Henderson  <rth@redhat.com>
16459
16460         * config/alpha/alpha.md (clear_cache): New pattern.
16461
16462 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
16463
16464         PR middle-end/53245
16465         * gimplify.c (preprocess_case_label_vec_for_gimple): If low or high
16466         is folded to a type boundary value, verify that the resulting case
16467         label is still a care range.
16468
16469 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
16470
16471         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf
16472         only for TARGET_GENERIC, when not optimizing for size.
16473         (*ffs<mode>_1): Ditto.
16474
16475 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
16476
16477         * tree-cfg.c (verify_gimple_switch): Tighten checks.
16478
16479 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
16480
16481         PR tree-optimization/53239
16482         * tree-vrp.c (get_value_range): Set VR of SSA_NAME_IS_DEFAULT_DEF
16483         of DECL_BY_REFERENCE RESULT_DECL to nonnull.
16484
16485 2012-05-07  Richard Guenther  <rguenther@suse.de>
16486
16487         PR tree-optimization/53195
16488         * tree-inline.c (setup_one_parameter): Properly add referenced
16489         vars from the parameters new known value.
16490
16491 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
16492
16493         * config/m68k/m68k.c (m68k_sched_branch_type): Remove.
16494         (sched_branch_type): Remove.
16495         (m68k_sched_md_init_global): Don't allocate it.
16496         (m68k_sched_md_finish_global): Don't free it.
16497         * config/m68k/m68k.h (m68k_sched_branch_type): Remove prototype.
16498         * config/m68k/m68k.md: Set the type of insns using
16499         m68k_sched_branch_type to bcc directly.
16500
16501 2012-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
16502
16503         * config/sol2.c (solaris_override_options): New function.
16504         * config/sol2-protos.h (solaris_override_options): Declare.
16505         * config/sol2.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
16506
16507 2012-05-07  Richard Guenther  <rguenther@suse.de>
16508
16509         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Return
16510         whether we failed to compute data dependences.
16511         (loop_prefetch_arrays): Fail if we failed.
16512
16513 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
16514             Paolo Bonzini  <bonzini@gnu.org>
16515
16516         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf even for !TARGET_BMI.
16517         Emit bsf when optimizing for size.
16518         (*ffs<mode>_1): Ditto.
16519
16520 2012-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
16521
16522         PR target/53250
16523         * config/sh/sh.c (sh_rtx_costs): Handle SET.
16524
16525 2012-05-06  Uros Bizjak  <ubizjak@gmail.com>
16526
16527         PR target/53227
16528         * config/i386/i386.md (swap<mode>): Rename from *swap<mode>.
16529         (bswapdi2): Split from bswap<mode>2.  Use nonnimediate_operand
16530         predicate for operand 1.  Force operand 1 to register for TARGET_BSWAP.
16531         (bswapsi2): Ditto.
16532         (*bswapdi2_doubleword): New insn pattern.
16533         (*bswap<mode>2): Rename from *bswap<mode>2_1.
16534
16535 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
16536
16537         * config/mips/mips.c (mips_set_reg_reg_piece_cost): New function.
16538         (mips_set_reg_reg_cost): Likewise.
16539         (mips_rtx_costs): Handle SET.
16540
16541 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
16542
16543         * lower-subreg.c (shift_cost): Use set_src_cost, avoiding the SET.
16544         (compute_costs): Likewise for the zero extension.  Use set_rtx_cost
16545         to compute the cost of moves.  Set the mode of the target register.
16546
16547 2012-05-05  Richard Sandiford  <rdsandiford@googlemail.com>
16548
16549         * rtl.h (plus_constant, plus_constant_mode): Merge into a single
16550         plus_constant function.
16551         * explow.c (plus_constant, plus_constant_mode): Likewise.  Assert
16552         that the mode is sensible.
16553         (use_anchored_address, round_push, allocate_dynamic_stack_space)
16554         (probe_stack_range, anti_adjust_stack_and_probe): Update calls to
16555         plus_constant.
16556
16557         * alias.c (canon_rtx): Likewise.
16558         (init_alias_analysis): Likewise.
16559         * builtins.c (expand_builtin_return_addr)
16560         (expand_builtin_setjmp_setup, expand_builtin_longjmp)
16561         (expand_builtin_nonlocal_goto, expand_builtin_update_setjmp_buf)
16562         (expand_builtin_apply_args_1, expand_builtin_apply, expand_movstr)
16563         (expand_builtin_stpcpy): Likewise.
16564         * calls.c (save_fixed_argument_area, restore_fixed_argument_area)
16565         (compute_argument_addresses, internal_arg_pointer_based_exp)
16566         (expand_call, emit_library_call_value_1): Likewise.
16567         * cfgexpand.c (expand_one_stack_var_at, expand_debug_expr): Likewise.
16568         * combine-stack-adj.c (try_apply_stack_adjustment): Likewise.
16569         * combine.c (combine_simplify_rtx, force_to_mode): Likewise.
16570         * cse.c (insert_const_anchor, find_reg_offset_for_const)
16571         (use_related_value, fold_rtx): Likewise.
16572         * cselib.c (cselib_subst_to_values): Likewise.
16573         * dse.c (record_store, check_mem_read_rtx): Likewise.
16574         * dwarf2out.c (rtl_for_decl_location, gen_variable_die): Likewise.
16575         * emit-rtl.c (adjust_address_1): Likewise.
16576         * except.c (sjlj_emit_function_enter)
16577         (expand_builtin_extract_return_addr)
16578         (expand_builtin_frob_return_addr): Likewise.
16579         * expmed.c (expand_divmod): Likewise.
16580         * expr.c (move_by_pieces, store_by_pieces, store_by_pieces_1)
16581         (emit_move_resolve_push, push_block, emit_push_insn, store_expr)
16582         (expand_expr_addr_expr_1, expand_expr_real_1): Likewise.
16583         * function.c (assign_stack_local_1)
16584         (instantiate_virtual_regs_in_rtx): Likewise.
16585         * optabs.c (prepare_cmp_insn): Likewise.
16586         * recog.c (offsettable_address_addr_space_p): Likewise.
16587         * reload.c (find_reloads_address, form_sum)
16588         (find_reloads_subreg_address): Likewise.
16589         * reload1.c (init_reload, eliminate_regs_1)
16590         (eliminate_regs_in_insn): Likewise.
16591         * simplify-rtx.c (simplify_unary_operation_1)
16592         (simplify_binary_operation_1, simplify_plus_minus): Likewise.
16593         * var-tracking.c (compute_cfa_pointer, prepare_call_arguments)
16594         (vt_add_function_parameter): Likewise.
16595
16596         * config/alpha/alpha.h (EH_RETURN_HANDLER_RTX): Likewise.
16597         * config/alpha/vms.h (EH_RETURN_HANDLER_RTX): Likewise.
16598         * config/alpha/alpha.c (alpha_legitimize_address_1)
16599         (get_unaligned_address, alpha_expand_unaligned_load)
16600         (alpha_expand_unaligned_store, alpha_expand_unaligned_load_words)
16601         (alpha_expand_unaligned_store_words, alpha_expand_block_clear)
16602         (alpha_expand_builtin_establish_vms_condition_handler)
16603         (alpha_setup_incoming_varargs, emit_frame_store_1)
16604         (alpha_expand_prologue, alpha_expand_epilogue)
16605         (alpha_use_linkage): Likewise.
16606         * config/alpha/alpha.md: Likewise.
16607
16608         * config/arm/arm.c (arm_trampoline_init, legitimize_pic_address)
16609         (arm_load_pic_register, arm_pic_static_addr, arm_legitimize_address)
16610         (thumb_legitimize_address, arm_gen_load_multiple_1)
16611         (arm_gen_store_multiple_1, arm_gen_multiple_op, gen_ldm_seq)
16612         (gen_stm_seq, gen_const_stm_seq, arm_block_move_unaligned_straight)
16613         (arm_block_move_unaligned_loop, arm_gen_movmemqi, arm_reload_in_hi)
16614         (arm_reload_out_hi, arm_reorg, vfp_emit_fstmd, emit_multi_reg_push)
16615         (emit_sfm, thumb_set_frame_pointer, arm_expand_prologue)
16616         (thumb1_emit_multi_reg_push, thumb1_expand_prologue)
16617         (thumb_expand_movmemqi, arm_set_return_address)
16618         (thumb_set_return_address): Likewise.
16619         * config/arm/arm.md: Likewise.
16620
16621         * config/avr/avr.c (avr_incoming_return_addr_rtx)
16622         (avr_prologue_setup_frame, expand_epilogue)
16623         (avr_const_address_lo16): Likewise.
16624
16625         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Likewise.
16626         * config/bfin/bfin.c (setup_incoming_varargs, bfin_load_pic_reg)
16627         (bfin_expand_prologue, bfin_trampoline_init, bfin_expand_call)
16628         (bfin_output_mi_thunk): Likewise.
16629
16630         * config/c6x/c6x.c (c6x_initialize_trampoline)
16631         (c6x_output_mi_thunk): Likewise.
16632
16633         * config/cr16/cr16.h (EH_RETURN_HANDLER_RTX): Likewise.
16634         * config/cr16/cr16.c (cr16_create_dwarf_for_multi_push): Likewise.
16635
16636         * config/cris/cris.c (cris_return_addr_rtx, cris_split_movdx)
16637         (cris_expand_prologue, cris_expand_epilogue, cris_gen_movem_load)
16638         (cris_emit_movem_store, cris_trampoline_init): Likewise.
16639         * config/cris/cris.md: Likewise.
16640
16641         * config/darwin.c (machopic_indirect_data_reference)
16642         (machopic_legitimize_pic_address): Likewise.
16643
16644         * config/epiphany/epiphany.c (epiphany_emit_save_restore)
16645         (epiphany_expand_prologue, epiphany_expand_epilogue)
16646         (epiphany_trampoline_init): Likewise.
16647         * config/epiphany/epiphany.md: Likewise.
16648
16649         * config/fr30/fr30.c (fr30_move_double): Likewise.
16650
16651         * config/frv/frv.c (frv_dwarf_store, frv_expand_prologue)
16652         (frv_expand_block_move, frv_expand_block_clear, frv_return_addr_rtx)
16653         (frv_index_memory, unspec_got_name, frv_find_base_term)
16654         (frv_output_dwarf_dtprel): Likewise.
16655
16656         * config/h8300/h8300.c (h8300_push_pop, h8300_return_addr_rtx)
16657         (h8300_swap_into_er6, h8300_swap_out_of_er6): Likewise.
16658
16659         * config/i386/i386.h (RETURN_ADDR_RTX): Likewise.
16660         * config/i386/i386.c (setup_incoming_varargs_64)
16661         (setup_incoming_varargs_ms_64, choose_baseaddr)
16662         (ix86_emit_save_reg_using_mov, ix86_adjust_stack_and_probe)
16663         (ix86_emit_probe_stack_range, ix86_expand_prologue)
16664         (ix86_emit_restore_reg_using_pop, ix86_emit_leave)
16665         (ix86_expand_epilogue, legitimize_pic_address, ix86_legitimize_address)
16666         (ix86_split_long_move, ix86_expand_movmem, ix86_expand_setmem)
16667         (ix86_static_chain, ix86_trampoline_init, x86_this_parameter)
16668         (x86_output_mi_thunk): Likewise.
16669         * config/i386/i386.md: Likewise.
16670
16671         * config/ia64/ia64.c (ia64_expand_load_address)
16672         (ia64_expand_tls_address, ia64_expand_move, ia64_split_tmode)
16673         (do_spill, ia64_trampoline_init): Likewise.
16674
16675         * config/iq2000/iq2000.c (iq2000_va_start)
16676         (iq2000_emit_frame_related_store, iq2000_expand_prologue)
16677         (iq2000_expand_eh_return, iq2000_setup_incoming_varargs)
16678         (iq2000_print_operand, iq2000_legitimize_address): Likewise.
16679
16680         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
16681
16682         * config/m32c/m32c.c (m32c_return_addr_rtx)
16683         (m32c_expand_insv): Likewise.
16684
16685         * config/m32r/m32r.c (m32r_setup_incoming_varargs)
16686         (m32r_legitimize_pic_address, m32r_print_operand)
16687         (m32r_print_operand_address): Likewise.
16688
16689         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
16690         * config/m68k/m68k.h (RETURN_ADDR_RTX): Likewise.
16691         (EH_RETURN_HANDLER_RTX): Likewise.
16692         * config/m68k/m68k.c (m68k_emit_movem, m68k_expand_prologue)
16693         (m68k_expand_epilogue, legitimize_pic_address)
16694         (m68k_output_mi_thunk): Likewise.
16695         * config/m68k/m68k.md: Likewise.
16696
16697         * config/mcore/mcore.c (mcore_expand_prolog): Likewise.
16698         (mcore_expand_epilog): Likewise.
16699         * config/mcore/mcore.md: Likewise.
16700
16701         * config/mep/mep.c (mep_allocate_initial_value)
16702         (mep_expand_prologue, mep_expand_epilogue): Likewise.
16703
16704         * config/microblaze/microblaze.c (double_memory_operand)
16705         (microblaze_block_move_loop): Likewise.
16706
16707         * config/mips/mips.c (mips_strip_unspec_address, mips_add_offset)
16708         (mips_setup_incoming_varargs, mips_va_start, mips_block_move_loop)
16709         (mips_print_operand, mips16e_save_restore_reg, mips_save_restore_reg)
16710         (mips_expand_prologue, mips_epilogue_set_cfa)
16711         (mips_expand_epilogue): Likewise.
16712         * config/mips/mips.md: Likewise.
16713
16714         * config/mmix/mmix.c (mmix_dynamic_chain_address, mmix_return_addr_rtx)
16715         (mmix_expand_prologue, mmix_expand_epilogue): Likewise.
16716
16717         * config/mn10300/mn10300.c (mn10300_gen_multiple_store)
16718         (mn10300_builtin_saveregs, mn10300_trampoline_init): Likewise.
16719
16720         * config/moxie/moxie.h (INCOMING_RETURN_ADDR_RTX): Likewise.
16721         (EH_RETURN_HANDLER_RTX): Likewise.
16722         * config/moxie/moxie.c (moxie_static_chain): Likewise.
16723
16724         * config/pa/pa.c (legitimize_pic_address, hppa_legitimize_address)
16725         (store_reg, set_reg_plus_d, pa_expand_prologue, load_reg)
16726         (pa_return_addr_rtx, hppa_builtin_saveregs)
16727         (pa_trampoline_init): Likewise.
16728         * config/pa/pa.md: Likewise.
16729
16730         * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
16731
16732         * config/picochip/picochip.c (picochip_static_chain): Likewise.
16733
16734         * config/rs6000/rs6000.h (RS6000_SAVE_TOC): Likewise.
16735         * config/rs6000/rs6000.c (rs6000_legitimize_address)
16736         (setup_incoming_varargs, print_operand, rs6000_return_addr)
16737         (rs6000_emit_eh_reg_restore, rs6000_emit_probe_stack_range)
16738         (rs6000_emit_epilogue)
16739         (rs6000_machopic_legitimize_pic_address): Likewise.
16740
16741         * config/rx/rx.c (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
16742
16743         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Likewise.
16744         (DYNAMIC_CHAIN_ADDRESS): Likewise.
16745         * config/s390/s390.c (s390_decompose_address, legitimize_pic_address)
16746         (s390_delegitimize_address, print_operand, annotate_constant_pool_refs)
16747         (replace_constant_pool_ref, s390_return_addr_rtx, s390_back_chain_rtx)
16748         (save_fpr, restore_fpr, save_gprs, restore_gprs, s390_emit_prologue)
16749         (s390_emit_epilogue, s390_function_profiler): Likewise.
16750         * config/s390/s390.md: Likewise.
16751
16752         * config/score/score.c (score_add_offset, score_prologue): Likewise.
16753
16754         * config/sh/sh.c (expand_block_move, push_regs, sh_builtin_saveregs)
16755         (sh_output_mi_thunk): Likewise.
16756         * config/sh/sh.md: Likewise.
16757
16758         * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS, FRAME_ADDR_RTX)
16759         (RETURN_ADDR_RTX, INCOMING_RETURN_ADDR_RTX): Likewise.
16760         * config/sparc/sparc.c (sparc_legitimize_pic_address)
16761         (sparc_emit_probe_stack_range, emit_save_or_restore_regs)
16762         (emit_window_save, sparc_flat_expand_prologue, sparc_struct_value_rtx)
16763         (emit_and_preserve): Likewise.
16764         * config/sparc/sparc.md: Likewise.
16765
16766         * config/spu/spu.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
16767         * config/spu/spu.c (spu_expand_insv, spu_machine_dependent_reorg)
16768         (spu_setup_incoming_varargs, ea_load_store_inline)
16769         (spu_expand_load): Likewise.
16770
16771         * config/stormy16/stormy16.c (xstormy16_expand_prologue)
16772         (combine_bnp): Likewise.
16773
16774         * config/tilegx/tilegx.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
16775         * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs)
16776         (tilegx_expand_unaligned_load, tilegx_trampoline_init): Likewise.
16777
16778         * config/tilepro/tilepro.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
16779         * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs)
16780         (tilepro_expand_unaligned_load, tilepro_trampoline_init): Likewise.
16781
16782         * config/v850/v850.c (expand_prologue, expand_epilogue): Likewise.
16783         * config/v850/v850.md: Likewise.
16784
16785         * config/vax/elf.h (EH_RETURN_STACKADJ_RTX): Likewise.
16786         (EH_RETURN_HANDLER_RTX): Likewise.
16787         * config/vax/vax.h (DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX): Likewise.
16788         * config/vax/vax.c (vax_add_reg_cfa_offset, vax_expand_prologue)
16789         (print_operand_address, vax_trampoline_init): Likewise.
16790
16791         * config/xtensa/xtensa.c (xtensa_expand_prologue, xtensa_return_addr)
16792         (xtensa_function_value_regno_p): Likewise.
16793
16794 2012-05-04  Andrew Pinski  <apinski@cavium.com>
16795
16796         * expr.c (get_def_for_expr_class): New function.
16797         (convert_tree_comp_to_rtx): New function.
16798         (expand_cond_expr_using_cmove): New function.
16799         (expand_expr_real_2 <case COND_EXPR>): Call
16800         expand_cond_expr_using_cmove first and return if it succeeds.
16801         Remove the check for HAVE_conditional_move since we should have
16802         already converted it to a conditional move.
16803         * config/i386/i386.c (ix86_expand_int_movcc): Disallow comparison
16804         modes of DImode for 32bits and TImode.
16805
16806 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
16807
16808         PR other/29442
16809         * read-md.c (fprint_md_ptr_loc, fprint_c_condition): New functions.
16810         (print_md_ptr_loc, print_c_condition): Use them.
16811         * read-md.h (fprint_md_ptr_loc, fprint_c_condition): New prototypes.
16812         * genattrtab.c (attr_file_name, dfa_file_name, latency_file_name,
16813         attr_file, dfa_file, latency_file): New global variables.
16814         (write_attr_valueq, write_attr_set, write_attr_case, write_attr_value,
16815         write_upcase, write_indent, write_length_unit_log, write_test_expr,
16816         write_attr_get, write_insn_cases, write_eligible_delay,
16817         write_const_num_delay_slots): Accept FILE pointer and toss it around.
16818         Update all callers.
16819         (write_header, open_outfile, handle_arg): New funcions.
16820         (make_automaton_attrs): Write prototypes as extern to the output
16821         files.
16822         (main): Use init_rtx_reader_args_cb with handle_arg to take 3 file
16823         names from the command line.  Open the output files and write out
16824         internal functions for DFA functions to dfa_file_name, insn latency
16825         functions to latency_file_name, and everything else to attr_file.
16826         * Makefile.in (OBJS): Add insn-dfatab.o and insn-latencytab.o.
16827         (BACKEND): Build libbackend first.
16828         (MOSTLYCLEANFILES): Add insn-dfatab.c and insn-latencytab.c.
16829         (.PRECIOUS): Likewise.
16830         (insn-dfatab.o): New rule.
16831         (insn-latencytab.o): New rule.
16832         (simple_rtl_generated_c): Do not include insn-attrtab.c.
16833         (s-attrtab): New rule.
16834
16835 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
16836
16837         * rtl.def (ATTR_FLAG): Remove probability indicating flags.
16838         * genattr.c (main): Remove ATTR_FLAG_likely, ATTR_FLAG_unlikely,
16839         ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
16840         * reorg.c (get_jump_flags): Do not set the removed flags.
16841
16842         * doc/md.texi (attr_flag): Update for abovementioned changes.
16843
16844 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
16845
16846         PR target/53228
16847         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
16848         (TARGET_CMOV): Rename from TARGET_CMOVE.
16849         (TARGET_CMOVE): New define.
16850         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
16851         Do not set TARGET_CMOVE here.
16852
16853 2012-05-04  Dodji Seketeli  <dodji@redhat.com>
16854
16855         Enable -Wunused-local-typedefs when -Wall or -Wunused is on
16856         * opts.c (finish_options): Activate -Wunused-local-typedefs if
16857         -Wunused is activated.
16858         * doc/invoke.texi: Update blurb of -Wunused-local-typedefs.
16859
16860 2012-05-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
16861
16862         * config/s390/s390.md (*movmem_short, *clrmem_short)
16863         (*cmpmem_short): Move the mode check from the insn condition to
16864         the match_scratch.
16865
16866 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
16867
16868         PR tree-optimization/52633
16869         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
16870         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
16871         (vect_recog_over_widening_pattern): Remove handling of code that was
16872         already detected as over-widening pattern.  Remove special handling
16873         of "unsigned" cases.  Instead, support general case of conversion
16874         of the shift result to another type.
16875
16876 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
16877
16878         * tree-vect-patterns.c (vect_single_imm_use): New function.
16879         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
16880         (vect_recog_over_widening_pattern): Likewise.
16881         (vect_recog_widen_shift_pattern): Likewise.
16882
16883 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
16884
16885         * tree-vect-patterns.c (vect_same_loop_or_bb_p): New function.
16886         (vect_handle_widen_op_by_const): Use it instead of open-coding test.
16887         (vect_recog_widen_mult_pattern): Likewise.
16888         (vect_operation_fits_smaller_type): Likewise.
16889         (vect_recog_over_widening_pattern): Likewise.
16890         (vect_recog_widen_shift_pattern): Add to vect_same_loop_or_bb_p test.
16891
16892 2012-05-04  Richard Guenther  <rguenther@suse.de>
16893
16894         PR lto/50602
16895         * lto-wrapper.c (merge_and_complain): Complain about mismatches
16896         of -freg-struct-return and -fpcc-struct-return.
16897         (run_gcc): Pass through -freg-struct-return and -fpcc-struct-return
16898         from the input file options and ignore those from the link
16899         command line.
16900
16901 2012-05-04  Richard Guenther  <rguenther@suse.de>
16902
16903         PR tree-optimization/53168
16904         * tree-ssa-pre.c (phi_translate_1): Only handle type-punned
16905         memory reads when the result is a constant we can pun.
16906
16907 2012-05-04  Richard Guenther  <rguenther@suse.de>
16908
16909         * common.opt (flto-report): Do not mark as Optimization.
16910
16911 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
16912
16913         PR target/48496
16914         * recog.c (constrain_operands): If extra constraints are present, also
16915         accept pseudo-registers with equivalent memory locations during reload.
16916
16917 2012-05-04  Olivier Hainque  <hainque@adacore.com>
16918
16919         * collect2.c (may_unlink_output_file): New global.
16920         (maybe_unlink): Honor it.
16921         * collect2.h: Add extern for it.
16922         * tlink.c (do_tlink): Set it to true if the link succeeded.
16923
16924 2012-05-04  Olivier Hainque  <hainque@adacore.com>
16925
16926         * gcc.c (eval_spec_function): Finalize/restore the current string
16927         obstack state as part of the context push/pop operations.
16928
16929 2012-05-04  Bin Cheng  <bin.cheng@arm.com>
16930
16931         PR rtl-optimization/52804
16932         * reload1.c (reload_reg_reaches_end_p): Check whether successor
16933         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
16934         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
16935         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
16936         RELOAD_FOR_OUTADDR_ADDRESS.
16937
16938 2012-05-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16939
16940         PR c++/24985
16941         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Show caret
16942         for macro expansion.
16943
16944 2012-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16945
16946         * flags.h (flag_permissive): Do not declare.
16947         * diagnostic.c (diagnostic_report_diagnostic): Handle fpermissive
16948         option specially.
16949         * toplev.c (flag_permissive): Do not define.
16950         * c-tree.h (system_header_p): Delete unused.
16951
16952 2012-05-03  David S. Miller  <davem@davemloft.net>
16953
16954         PR target/52684
16955         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
16956         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
16957         (sparc_emit_float_lib_cmp): Likewise.
16958
16959 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
16960
16961         PR target/53199
16962         * config/rs6000/rs6000.md (bswapdi splitters): If
16963         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
16964         default) is used, generate an alternate sequence that does not
16965         depend on using indexed addressing.
16966
16967 2012-05-03  Jason Merrill  <jason@redhat.com>
16968
16969         * gengtype.c (write_types): Fix warning message.
16970         (write_local): Likewise.
16971
16972 2012-05-02  Jason Merrill  <jason@redhat.com>
16973
16974         * dwarf2out.c (struct external_ref, build_local_stub): New.
16975         (hash_external_ref, external_ref_eq, lookup_external_ref): New.
16976         (optimize_external_refs, optimize_external_refs_1): New.
16977         (change_AT_die_ref): New.
16978         (clone_as_declaration): Add DW_AT_signature when cloning a declaration.
16979         (build_abbrev_table): Take the external refs hashtable.
16980         (output_comp_unit): Get it from optimize_external_refs and pass it in.
16981
16982 2012-05-03  Jan Hubicka  <jh@suse.cz>
16983
16984         PR middle-end/53093
16985         * tree-emutls.c (new_emutls_decl): Fix handling of aliases.
16986
16987 2012-05-03  Jan Hubicka  <jh@suse.cz>
16988
16989         PR middle-end/53106
16990         * ipa.c (cgraph_remove_unreachable_nodes): Fix handling of clones.
16991
16992 2012-05-03  Jason Merrill  <jason@redhat.com>
16993
16994         * dwarf2out.c (die_struct): Add comdat_type_p flag.  Use it instead of
16995         use_debug_types to discriminate the die_id union.
16996         (print_die, assign_symbol_names, copy_decls_walk): Likewise.
16997         (build_abbrev_table, output_die): Likewise.
16998         (prune_unused_types_walk_attribs): Likewise.
16999         (generate_type_signature, copy_declaration_context): Set it.
17000         (remove_child_or_replace_with_skeleton): Set it.
17001         (dwarf2out_start_source_file, dwarf2out_end_source_file): Don't
17002         check use_debug_types.
17003         (dwarf2out_finish): Do break_out_includes after .debug_types.
17004
17005 2012-05-03  Jason Merrill  <jason@redhat.com>
17006
17007         * dwarf2out.c (modified_type_die): Use scope_die_for.
17008         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
17009         (uses_local_type_r, uses_local_type): New.
17010         (scope_die_for): Keep a type that uses a local type in local scope.
17011         Use get_context_die for namespace and type scope.
17012
17013 2012-05-03  Jason Merrill  <jason@redhat.com>
17014
17015         * config/i386/i386.c (ix86_code_end): Set DECL_IGNORED_P on the
17016         pc thunk.
17017         * dwarf2out.c (output_aranges): Skip DECL_IGNORED_P functions.
17018         (dwarf2out_finish): Likewise.
17019
17020 2012-05-03  Martin Jambor  <mjambor@suse.cz>
17021
17022         * builtins.c (get_object_alignment_1): Return whether we can determine
17023         the alignment or conservatively assume byte alignment.  Return the
17024         alignment by reference.  Use get_pointer_alignment_1 for dereference
17025         alignment.
17026         (get_pointer_alignment_1): Return whether we can determine the
17027         alignment or conservatively assume byte alignment.  Return the
17028         alignment by reference.  Use get_ptr_info_alignment to get SSA name
17029         alignment.
17030         (get_object_alignment): Update call to get_object_alignment_1.
17031         (get_object_or_type_alignment): Likewise, fall back to type alignment
17032         only when it returned false.
17033         (get_pointer_alignment): Update call to get_pointer_alignment_1.
17034         * fold-const.c (get_pointer_modulus_and_residue): Update call to
17035         get_object_alignment_1.
17036         * ipa-prop.c (ipa_modify_call_arguments): Update call to
17037         get_pointer_alignment_1.
17038         * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type
17039         of MEM_REF or TARGET_MEM_REF only when it returns false.
17040         * tree-ssa-ccp.c (get_value_from_alignment): Update call to
17041         get_object_alignment_1.
17042         (ccp_finalize): Use set_ptr_info_alignment.
17043         * tree.h (get_object_alignment_1): Update declaration.
17044         (get_pointer_alignment_1): Likewise.
17045         * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment.
17046         (dump_gimple_stmt): Likewise.
17047         * tree-flow.h (ptr_info_def): Updated comments of fields align and
17048         misalign.
17049         (get_ptr_info_alignment): Declared.
17050         (mark_ptr_info_alignment_unknown): Likewise.
17051         (set_ptr_info_alignment): Likewise.
17052         (adjust_ptr_info_misalignment): Likewise.
17053         * tree-ssa-address.c (copy_ref_info): Use new access functions to get
17054         and set alignment of SSA names.
17055         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call
17056         mark_ptr_info_alignment_unknown.
17057         * tree-ssanames.c (get_ptr_info_alignment): New function.
17058         (mark_ptr_info_alignment_unknown): Likewise.
17059         (set_ptr_info_alignment): Likewise.
17060         (adjust_ptr_info_misalignment): Likewise.
17061         (get_ptr_info): Call mark_ptr_info_alignment_unknown.
17062         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
17063         Likewise.
17064         (bump_vector_ptr): Likewise.
17065         * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment.
17066         (vectorizable_store): Likewise.
17067         (vectorizable_load): Likewise.
17068
17069 2012-05-03  Michael Matz  <matz@suse.de>
17070
17071         * basic-block.h (struct rtl_bb_info, struct gimple_bb_info): Move
17072         in front of basic_block_def.
17073         (struct basic_block_def): Make il.gimple the full struct, not a
17074         pointer.
17075         (__assert_gimple_bb_smaller_rtl_bb): Asserting typedef.
17076
17077         * cfgexpand.c (expand_gimple_basic_block): Clear all il.gimple members.
17078         * gimple-iterator.c (gimple_stmt_iterator): Don't special case
17079         NULL il.gimple, which can't happen anymore.
17080         * gimple.h (bb_seq): il.gimple can't be NULL.
17081         (bb_seq_add): Ditto.
17082         (set_bb_seq): Adjust.
17083         (gsi_start_bb, gsi_last_bb): Tidy.
17084         * lto-streamer-in.c (make_new_block): Don't zero members that
17085         are zeroed already, don't allocate a gimple_bb_info.
17086         * tree-cfg.c (create_bb): Don't allocate a gimple_bb_info.
17087         (remove_bb): Clear all il.gimple members.
17088         (gimple_verify_flow_info): Adjust for flat il.gimple.
17089         * tree-flow-inline.h (phi_nodes, phi_nodes_ptr, set_phi_nodes): Adjust.
17090
17091         * coretypes.h (const_gimple_seq): Remove typedef.
17092         * gimple.h (gimple_seq_first): Take gimple_seq.
17093         (gimple_seq_first_stmt): Ditto.
17094         (gimple_seq_last): Ditto.
17095         (gimple_seq_last_stmt): Ditto.
17096         (gimple_seq_empty_p): Ditto.
17097
17098 2012-05-03  Richard Guenther  <rguenther@suse.de>
17099
17100         * tree-ssa-pre.c (valid_in_sets): Remove checking of trapping
17101         operations.
17102         (prune_clobbered_mems): Do it here.  Do not uselessly sort expressions.
17103         (compute_avail): Do not add possibly trapping operations to
17104         EXP_GEN if they might not be executed in the block.
17105
17106 2012-05-03  Uros Bizjak  <ubizjak@gmail.com>
17107
17108         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Remove.
17109
17110 2012-05-03  Steven Bosscher  <steven@gcc.gnu.org>
17111
17112         * tree-switch-conversion.c (gen_inbound_check): Free post-dominance
17113         information as early as possible.  Update dominance info instead of
17114         discarding it.
17115
17116 2012-05-03  Richard Guenther  <rguenther@suse.de>
17117
17118         * tree-ssa-pre.c (debug_bitmap_sets_for): New function.
17119         (union_contains_value): Remove.
17120         (vro_valid_in_sets): Likewise.
17121         (op_valid_in_sets): New function.
17122         (valid_in_sets): Use op_valid_in_sets.
17123         (insert_into_preds_of_block): Move dumping ...
17124         (do_regular_insertion): ... here.
17125         (do_partial_partial_insertion): ... and here.  Dump that
17126         we've found a partial partial redundancy.
17127         (insert): Dump the current insert iteration.
17128
17129 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
17130
17131         PR plugins/53126
17132         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
17133         append program name to it and pass that as first argument
17134         to make_relative_prefix.  Always pass standard_libexec_prefix
17135         as last argument to make_relative_prefix.  If
17136         make_relative_prefix returns NULL, fall back to
17137         standard_libexec_prefix.
17138
17139         PR debug/53174
17140         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
17141         removed.
17142
17143         PR target/53187
17144         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
17145         mode, return that mode.
17146
17147         PR target/53194
17148         * config/i386/i386-c.c (ix86_target_macros_internal): Don't
17149         define __ATOMIC_HLE_* macros here.
17150         (ix86_target_macros): But here, using cpp_define_formatted.
17151
17152 2012-05-03  Richard Guenther  <rguenther@suse.de>
17153
17154         PR tree-optimization/53144
17155         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
17156         Rename to ...
17157         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
17158         with SSA name values.
17159         (vn_reference_lookup_3): Adjust callers.
17160
17161 2012-05-03  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
17162
17163         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
17164         has_fma4 for AMD processors with both fma3 and fma4 support.
17165
17166 2012-05-03  Kirill Yukhin  <kirill.yukhin@intel.com>
17167
17168         PR target/53201
17169         * config/i386/driver-i386.c (host_detect_local_cpu): Add space to
17170         "-mno-hle".
17171
17172 2012-05-03  Michael Matz  <matz@suse.de>
17173
17174         PR bootstrap/53197
17175         * tree-ssa-dse.c (dse_optimize_stmt): Take pointer to iterator.
17176         (dse_enter_block): Properly iterate the whole sequence even
17177         if the last statement was removed.
17178
17179 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
17180
17181         * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): For pic code,
17182         unset flag_jump_tables.
17183         * stmt.c (expand_case): Remove special flag_pic case conditional
17184         on ASM_OUTPUT_ADDR_DIFF_ELT not being defined.
17185
17186 2012-05-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
17187
17188         * common/config/s390/s390-common.c (s390_option_optimization_table):
17189         Enable -fsched-pressure using -fsched-pressure-algorithm=model by
17190         default when optimizing.
17191
17192 2012-05-02  Martin Jambor  <mjambor@suse.cz>
17193
17194         PR lto/52605
17195         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
17196         of a variable when the contect is a function.
17197
17198 2012-05-02  Michael Matz  <matz@suse.de>
17199
17200         * coretypes.h (gimple_seq, const_gimple_seq): Typedef as gimple.
17201         * gimple.h (struct gimple_seq_node_d, struct gimple_seq_d): Remove.
17202         (const_gimple_seq_node): Remove.
17203         (gimple_seq_node): Typedef as gimple.
17204         (struct gimple_statement_base): Add next and prev members,
17205         adjust all WORD markers in using structs.
17206         (union gimple_statement_d): Link via gsbase.next field for GC and PCH.
17207         (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
17208         gimple_seq_last_stmt): Adjust as gimple_seq, gimple_seq_node and
17209         gimple are the same.
17210         (gimple_seq_set_last, gimple_seq_set_first): Don't allocate
17211         gimple_seq, adjust.
17212         (gimple_init_singleton): New function.
17213         (gsi_start_1, gsi_last_1, gsi_end_p, gsi_one_before_end_p): Adjust.
17214         (gsi_next, gsi_prev): Adjust, handle prev cyclic list correctly.
17215         (gsi_stmt): Adjust.
17216         (gsi_stmt_ptr): Remove.
17217         (enum gimple_alloc_kind): Remove gimple_alloc_kind_seq member.
17218
17219         * gimple-iterator.c (update_bb_for_stmts): Take last parameter
17220         again, adjust for above changes.
17221         (update_call_edge_frequencies): Adjust for above changes.
17222         (gsi_insert_seq_nodes_before): Rewrite for new data structure.
17223         (gsi_insert_seq_nodes_after): Ditto.
17224         (gsi_split_seq_after): Ditto.
17225         (gsi_set_stmt): Ditto.
17226         (gsi_split_seq_before): Ditto.
17227         (gsi_remove): Ditto.
17228         (gsi_insert_seq_before_without_update): Don't free sequence.
17229         (gsi_insert_seq_after_without_update): Ditto.
17230         (gsi_replace): Assert some more invariants.
17231         (gsi_insert_before_without_update, gsi_insert_after_without_update):
17232         Tidy.
17233         (gsi_for_stmt): Don't search for stmt.
17234         (gsi_insert_on_edge_immediate): Tidy.
17235
17236         * gimple.c (gimple_alloc_k): Remove "sequences".
17237         (gimple_seq_cache): Remove.
17238         (gimple_alloc_stat): Make stmt a singleton sequence.
17239         (gimple_seq_alloc, gimple_seq_free): Remove.
17240         (gimple_assign_set_rhs_with_ops_1): Ensure new stmt is a singleton.
17241         (gimple_copy): Ditto.
17242         * gimplify.c (gimplify_cleanup_point_expr): Use gsi_set_stmt,
17243         create iterator from correct sequence.
17244         * tree-phinodes.c (make_phi_node): Make stmt a singleton.
17245
17246 2012-05-02  Michael Matz  <matz@suse.de>
17247
17248         * gimple.h (gimple_stmt_iterator <seq>): Make it be pointer to
17249         gimple_seq.
17250         (gimple_seq_set_last, gimple_seq_set_first): Take pointer to
17251         sequence, lazily allocate it.
17252         (bb_seq_addr): New function.
17253         (gsi_start_1): Rename from gsi_start, but take pointer to sequence.
17254         (gsi_start): Macro to wrap gsi_start_1 taking pointer of argument.
17255         (gsi_none): New function.
17256         (gsi_start_bb): Adjust.
17257         (gsi_last_1): Rename from gsi_last, but take pointer to sequence.
17258         (gsi_last): Macro to wrap gsi_last_1 taking pointer of argument.
17259         (gsi_last_bb): Adjust.
17260         (gsi_seq): Adjust.
17261         * tree-flow-inline.h (phi_nodes_ptr): New function.
17262
17263         * gimple-iterator.c (gsi_insert_seq_nodes_before): Adjust to
17264         datastructure and interface change.
17265         (gsi_insert_seq_before_without_update): Ditto.
17266         (gsi_insert_seq_nodes_after): Ditto.
17267         (gsi_insert_seq_after_without_update): Ditto.
17268         (gsi_split_seq_after): Ditto, don't use gimple_seq_alloc.
17269         (gsi_split_seq_before): Ditto.
17270         (gsi_start_phis): Adjust.
17271         * tree-vect-loop.c (vect_determine_vectorization_factor): Use gsi_none.
17272         (vect_transform_loop): Ditto.
17273         * gimple.c (gimple_seq_add_stmt, gimple_seq_add_seq,
17274         gimple_seq_copy): Don't use gimple_seq_alloc.
17275         * gimplify.c (gimple_seq_add_stmt_without_update): Ditto.
17276         (gimplify_seq_add_seq): Ditto.
17277         * lto-streamer-in.c (make_new_block): Ditto.
17278         * tree-cfg.c (create_bb): Ditto.
17279         * tree-sra.c (initialize_parameter_reductions): Ditto.
17280
17281 2012-05-02  Michael Matz  <matz@suse.de>
17282
17283         * gimple.h (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
17284         gimple_seq_last_stmt, gimple_seq_set_last, gimple_seq_set_first,
17285         gimple_seq_empty_p, gimple_seq_alloc_with_stmt, bb_seq,
17286         set_bb_seq): Move down to after gimple_statement_d definition.
17287
17288 2012-05-02  Michael Matz  <matz@suse.de>
17289
17290         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
17291         gsi_replace_with_seq, instead of inserting itself.
17292         * gimple-iterator.c (gsi_replace_with_seq): New function.
17293         * tree-ssa-forwprop.c (forward_propagate_comparison): Take
17294         iterator instead of statement, advance it.
17295         (ssa_forward_propagate_and_combine): Adjust call to above.
17296
17297 2012-05-02  Michael Matz  <matz@suse.de>
17298
17299         * tree-phinodes.c (add_phi_node_to_bb): Tidy, don't use
17300         gimple_seq_alloc.
17301         * omp-low.c (finalize_task_copyfn): Don't use gimple_seq_alloc.
17302         * tree-nested.c (walk_gimple_omp_for): Ditto.
17303         * trans-mem.c (lower_transaction): Ditto.
17304         * tree-eh.c (do_return_redirection): Ditto.
17305         (do_goto_redirection): Ditto.
17306         (lower_try_finally_switch): Ditto.
17307         * gimplify.c (gimplify_stmt): Ditto.
17308         (gimplify_scan_omp_clauses): Ditto.
17309         (gimplify_omp_for): Ditto.
17310         (gimplify_function_tree): Ditto.
17311         * gimple-fold.c (gimplify_and_update_call_from_tree): Ditto.
17312         * tree-mudflap.c (mf_decl_cache_locals): Ditto.
17313         (mf_build_check_statement_for): Ditto.
17314         (mx_register_decls): Ditto.
17315         * graphite-sese-to-poly.c (remove_invariant_phi): Ditto,
17316         and don't use itertors to append.
17317         (insert_stmts): Ditto.
17318         (insert_out_of_ssa_copy): Ditto.
17319         (insert_out_of_ssa_copy_on_edge): Ditto.
17320
17321 2012-05-02  Michael Matz  <matz@suse.de>
17322
17323         * gimple.h (gimple_bind_body_ptr): New function.
17324         (gimple_bind_body): Use it.
17325         (gimple_catch_handler): Use gimple_catch_handler_ptr.
17326         (gimple_eh_filter_failure_ptr): New function.
17327         (gimple_eh_filter_failure): Use it.
17328         (gimple_eh_else_n_body_ptr): New function.
17329         (gimple_eh_else_n_body): Use it.
17330         (gimple_eh_else_e_body_ptr): New function.
17331         (gimple_eh_else_e_body): Use it.
17332         (gimple_try_eval_ptr): New function.
17333         (gimple_try_eval): Use it.
17334         (gimple_try_cleanup_ptr): New function.
17335         (gimple_try_cleanup): Use it.
17336         (gimple_wce_cleanup_ptr): New function.
17337         (gimple_wce_cleanup): Use it.
17338         (gimple_omp_body_ptr): New function.
17339         (gimple_omp_body): Use it.
17340         (gimple_omp_for_pre_body_ptr): New function.
17341         (gimple_omp_for_pre_body): Use it.
17342         (gimple_transaction_body_ptr): New function.
17343         (gimple_transaction_body): Use it.
17344         (gsi_split_seq_before): Adjust to return nothing and take pointer
17345         to sequence.
17346         (gsi_set_stmt): Declare.
17347         (gsi_replace_with_seq): Declare.
17348         (walk_gimple_seq_mod): Declare.
17349         * function.h (struct function <gimple_body>): Use typedef gimple_seq.
17350
17351         * gimple-iterator.c (gsi_set_stmt): New function.
17352         (gsi_split_seq_before): Return new sequence via pointer argument.
17353         (gsi_replace): Use gsi_set_stmt.
17354
17355         * tree-ssa-loop-im.c (move_computations_stmt): First remove
17356         then insert stmt.
17357         * tree-complex.c (update_complex_components_on_edge): Don't copy gsi.
17358         * tree-phinodes.c (resize_phi_node): Don't resize stmt in-place,
17359         return new stmt.
17360         (reserve_phi_args_for_new_edge): Change call to above,
17361         use gsi_set_stmt.
17362
17363         * omp-low.c (lower_omp): Change prototype to take pointer to sequence.
17364         (lower_rec_input_clauses): Use gimple_seq_add_seq instead of
17365         iterators.  Adjust call to lower_omp.
17366         (lower_lastprivate_clauses): Adjust call to lower_omp.
17367         (lower_reduction_clauses): Ditto.
17368         (expand_omp_taskreg): Nullify non-cfg body of child_fn.
17369         (lower_omp_sections): Don't explicitely count sequence length,
17370         nullify lowered bodies earlier, ensure stmts are part of only
17371         one sequence, adjust call to lower_omp.
17372         (lower_omp_single): Ensure stmts are part of only one sequence,
17373         adjust call to lower_omp.
17374         (lower_omp_master): Ditto.
17375         (lower_omp_ordered): Ditto.
17376         (lower_omp_critical): Ditto.
17377         (lower_omp_for): Ditto.
17378         (lower_omp_taskreg): Ditto, tidy.
17379         (lower_omp_1): Adjust calls to lower_omp.
17380         (execute_lower_omp): Ditto.
17381         (lower_omp): Adjust to take pointer to sequence.
17382         (diagnose_sb_2): Use walk_gimple_seq_mod.
17383         (diagnose_omp_structured_block_errors): Ditto and set possibly
17384         changed function body.
17385         * gimple-low.c (lower_function_body): Set function body after
17386         it stabilizes.
17387         (lower_sequence): Adjust to take pointer to sequence.
17388         (lower_omp_directive): Ensure stmt isn't put twice into the
17389         sequence, adjust call to lower_sequence.
17390         (lower_stmt): Adjust calls to lower_sequence.
17391         (lower_gimple_bind): Ditto.
17392         (gimple_try_catch_may_fallthru): Call gsi_start with lvalue.
17393         * tree-nested.c (walk_body): Take pointer to sequence, use
17394         walk_gimple_seq_mod.
17395         (walk_function): Adjust call to walk_body, set possibly changed body.
17396         (walk_gimple_omp_for): Adjust calls to walk_body.
17397         (convert_nonlocal_omp_clauses): Ditto.
17398         (convert_nonlocal_reference_stmt): Ditto.
17399         (convert_local_omp_clauses): Ditto.
17400         (convert_local_reference_stmt): Ditto.
17401         (convert_tramp_reference_stmt): Ditto.
17402         (convert_gimple_call): Ditto.
17403         (convert_nl_goto_reference): Use local iterator copy.
17404         * gimple.c (walk_gimple_seq_mod): Renamed from walk_gimple_seq,
17405         but taking pointer to sequence, ensure gsi_start is called with
17406         callers lvalue.
17407         (walk_gimple_seq): New wrapper around walk_gimple_seq_mod,
17408         asserting that the sequence head didn't change.
17409         (walk_gimple_stmt): Replace all calls to walk_gimple_seq with
17410         walk_gimple_seq_mod.
17411         * trans-mem.c (lower_transaction): Use walk_gimple_seq_mod.
17412         (execute_lower_tm): Ditto, and set possibly changed body.
17413         * tree-eh.c (lower_eh_constructs_1): Take pointer to sequence,
17414         call gsi_start with that lvalue.
17415         (replace_goto_queue_stmt_list): Ditto.
17416         (replace_goto_queue_1): Adjust calls to replace_goto_queue_stmt_list.
17417         (replace_goto_queue): Ditto.
17418         (lower_try_finally_nofallthru): Adjust calls to lower_eh_constructs_1.
17419         (lower_try_finally_onedest): Ditto.
17420         (lower_try_finally_copy): Ditto.
17421         (lower_try_finally_switch): Ditto.
17422         (lower_try_finally): Ditto.
17423         (lower_eh_filter): Ditto.
17424         (lower_eh_must_not_throw): Ditto.
17425         (lower_cleanup): Ditto.
17426         (lower_eh_constructs_2): Ditto.
17427         (lower_catch): Ditto, and ensure gsi_start is called with lvalue.
17428         (lower_eh_constructs): Adjust calls to lower_eh_constructs_1, and
17429         set possibly changed body.
17430         (optimize_double_finally): Call gsi_start with lvalue.
17431
17432         * tree-cfg.c (make_blocks): Adjust call to gsi_split_seq_before.
17433         (gimple_split_block): Ditto.
17434         (gimple_merge_blocks): Use gsi_start_phis.
17435         (move_stmt_r): Use walk_gimple_seq_mod.
17436         * tree-ssa-dse.c (dse_enter_block): Use gsi_last_bb.
17437         * cgraphbuild.c (build_cgraph_edges): Use gsi_start_phis.
17438         (rebuild_cgraph_edges): Ditto.
17439         (cgraph_rebuild_references): Ditto.
17440         * ipa-prop.c (ipa_analyze_params_uses): Ditto.
17441         * tree-inline.c (copy_phis_for_bb): Ditto.
17442         * tree-ssa-dce.c: Ditto.
17443
17444         * cgraphunit.c (cgraph_analyze_function): Use gimple_has_body_p.
17445
17446 2012-05-02  Kirill Yukhin  <kirill.yukhin@intel.com>
17447             Andi Kleen  <ak@linux.intel.com>
17448
17449         * coretypes.h (MEMMODEL_MASK): New.
17450         * builtins.c (get_memmodel): Add val. Call target.memmodel_check
17451         and return new variable.
17452         (expand_builtin_atomic_exchange):  Mask memmodel values.
17453         (expand_builtin_atomic_compare_exchange): Ditto.
17454         (expand_builtin_atomic_load): Ditto.
17455         (expand_builtin_atomic_store): Ditto.
17456         (expand_builtin_atomic_clear): Ditto.
17457         * doc/extend.texi: Mention port-dependent memory model flags.
17458         * config/i386/cpuid.h (bit_HLE): New.
17459         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
17460         HLE support.
17461         * config/i386/i386-protos.h (ix86_generate_hle_prefix): New.
17462         * config/i386/i386-c.c (ix86_target_macros_internal): Set HLE defines.
17463         (ix86_target_string)<-mhle>: New.
17464         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
17465         * config/i386/i386.c (ix86_target_string) <OPTION_MASK_ISA_HLE>: New.
17466         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
17467         (ix86_option_override_internal) <PTA_HLE>: New switch, set it
17468         enabled for generic, generic64 and core-avx2.
17469         (ix86_print_operand): Generate HLE lock prefixes.
17470         (ix86_memmodel_check): New.
17471         (TARGET_MEMMODEL_CHECK): Ditto.
17472         * config/i386/i386.h (OPTION_ISA_HLE): Ditto.
17473         (IX86_HLE_ACQUIRE): Ditto.
17474         (IX86_HLE_RELEASE): Ditto.
17475         * config/i386/i386.h (ix86_generate_hle_prefix): Ditto.
17476         * config/i386/i386.opt (mhle): Ditto.
17477         * config/i386/sync.md(atomic_compare_and_swap<mode>): Pass
17478         success model to instruction emitter.
17479         (atomic_fetch_add<mode>): Ditto.
17480         (atomic_exchange<mode>): Ditto.
17481         (atomic_add<mode>): Ditto.
17482         (atomic_sub<mode>): Ditto.
17483         (atomic_<code><mode>): Ditto.
17484         (*atomic_compare_and_swap_doubledi_pic): Ditto.
17485         (atomic_compare_and_swap_single<mode>): Define and use argument
17486         for success model.
17487         (atomic_compare_and_swap_double<mode>): Ditto.
17488         * configure.ac: Check if assembler support HLE prefixes.
17489         * configure: Regenerate.
17490         * config.in: Ditto.
17491
17492 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
17493
17494         PR middle-end/53153
17495         * gimplify.c (preprocess_case_label_vec_for_gimple): New function,
17496         split out from ...
17497         (gimplify_switch_expr): ... here.
17498         * gimple.h (preprocess_case_label_vec_for_gimple): Add prototype.
17499         * tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): New function
17500         to clean up case labels with values outside the index type range.
17501         (simplify_gimple_switch): Call it if something changed.
17502         Remove strange and unnecessary assert.
17503
17504 2012-05-02  Richard Guenther  <rguenther@suse.de>
17505
17506         * fold-const.c (div_if_zero_remainder): sizetypes no longer
17507         sign-extend.
17508         (int_const_binop_1): New worker for int_const_binop with
17509         overflowable parameter.  Pass it through to force_fit_type_double.
17510         (int_const_binop): Wrap around int_const_binop_1 with overflowable
17511         equal to one.
17512         (size_binop_loc): Call int_const_binop_1 with overflowable equal
17513         to minus one, forcing overflow detection for even unsigned types.
17514         (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE special-casing.
17515         (fold_binary_loc): Call try_move_mult_to_index with signed offset.
17516         * stor-layout.c (initialize_sizetypes): sizetypes no longer
17517         sign-extend.
17518         (layout_type): For zero-sized arrays ignore overflow on the
17519         size calculations.
17520         * tree-ssa-ccp.c (bit_value_unop_1): Likewise.
17521         (bit_value_binop_1): Likewise.
17522         * tree.c (double_int_to_tree): Likewise.
17523         (double_int_fits_to_tree_p): Likewise.
17524         (force_fit_type_double): Likewise.
17525         (host_integerp): Likewise.
17526         (int_fits_type_p): Likewise.
17527         * varasm.c (output_constructor_regular_field): Sign-extend the
17528         field-offset to cater for negative offsets produced by the Ada
17529         frontend.
17530         * omp-low.c (extract_omp_for_data): Convert the loop step to
17531         signed for pointer adjustments.
17532
17533 2012-05-02  Richard Guenther  <rguenther@suse.de>
17534
17535         * tree.c (valid_constant_size_p): New function.
17536         * tree.h (valid_constant_size_p): Declare.
17537         * cfgexpand.c (expand_one_var): Adjust check for too large
17538         variables by using valid_constant_size_p.
17539         * varasm.c (assemble_variable): Likewise.
17540
17541         * c-decl.c (grokdeclarator): Properly check for sizes that
17542         cover more than half of the address-space.
17543
17544 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
17545
17546         PR tree-optimization/53163
17547         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
17548         return value from compute_all_dependences.
17549
17550         PR rtl-optimization/53160
17551         * ree.c (combine_reaching_defs): Handle the case where cand->insn
17552         has been modified by ree pass already.
17553
17554 2012-05-01  Ian Lance Taylor  <iant@google.com>
17555
17556         PR c/37303
17557         * c-decl.c (build_compound_literal): Make the decl readonly if it
17558         an array of a readonly type.
17559         * gimplify.c (gimplify_compound_literal_expr): Add fallback
17560         parameter.  Change all callers.  If the decl is not addressable
17561         and is not an l-value, make it readonly.
17562
17563 2012-05-01  Bernd Schmidt  <bernds@codesourcery.com>
17564
17565         * ira.c (allocated_reg_info_size): New static variable.
17566         (expand_reg_info): Manage it. Call
17567         setup_preferred_alternate_classes_for_new_pseudos.
17568         (ira): Don't do it here.  Remove local allocated_reg_info_size,
17569         set the global before calling find_moveable_pseudos.
17570         (find_moveable_pseudos): Call expand_reg_info rather than
17571         resize_reg_info.
17572
17573 2012-05-01  Richard Henderson  <rth@redhat.com>
17574
17575         * common.opt (fsync-libcalls): New.
17576         * doc/invoke.texi: Document it.
17577         * optabs.c (init_sync_libfuncs): Honor it.
17578
17579 2012-05-01  Kenneth Zadeck  <zadeck@naturalbridge.com>
17580             Richard Sandiford  <r.sandiford@uk.ibm.com>
17581
17582         PR rtl-optimization/52543
17583         * Makefile.in (lower-subreg.o, target-globals.o): Depend on
17584         lower-subreg.h.
17585         * lower-subreg.h: New file.
17586         * target-globals.h (this_target_lower_subreg): Declare.
17587         (target_globals): Add lower_subreg;
17588         (restore_target_globals): Restore this_target_lower_subreg.
17589         * target-globals.c: Include it.
17590         (default_target_globals): Add default_target_lower_subreg.
17591         (save_target_globals): Initialize target_lower_subreg.
17592         * rtl.h (init_lower_subreg): Added declaration.
17593         * toplev.c (backend_init_target): Call initializer for lower-subreg
17594         pass.
17595         * lower-subreg.c (LOG_COSTS, FORCE_LOWERING): New macros.
17596         (default_target_lower_subreg): New variable.
17597         (this_target_lower_subreg): Likewise.
17598         (twice_word_mode, choices): New macros.
17599         (shift_cost, compute_splitting_shift, compute_costs)
17600         (init_lower_subreg): New functions.
17601         (resolve_simple_move): Add speed_p argument.  Check choices.
17602         (find_pseudo_copy): Don't check the mode size here.
17603         (resolve_simple_move): Assert the mode size.
17604         (find_decomposable_shift_zext): Add speed_p argument and return
17605         a bool.  Check choices.
17606         (resolve_shift_zext): Add comment.
17607         (dump_shift_choices, dump_choices): New functions.
17608         (decompose_multiword_subregs): Dump list of profitable
17609         transformations.  Add code to skip non profitable transformations.
17610         Update calls to simple_move and find_decomposable_shift_zext.
17611
17612 2012-05-01  Ian Bolton  <ian.bolton@arm.com>
17613             Sameera Deshpande  <sameera.deshpande@arm.com>
17614             Greta Yorsh  <greta.yorsh@arm.com>
17615
17616         * config/arm/arm-protos.h (thumb_unexpanded_epilogue): Rename to...
17617         (thumb1_unexpanded_epilogue): ...this.
17618         * config/arm/arm.c (thumb_unexpanded_epilogue): Rename to...
17619         (thumb1_unexpanded_epilogue): ...this.
17620         * config/arm/arm.md (thumb_unexpanded_epilogue): Rename to...
17621         (thumb1_unexpanded_epilogue): ...this.
17622
17623 2012-05-01  Richard Earnshaw  <rearnsha@arm.com>
17624
17625         * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
17626         comparing enumeration values.  Update comments.
17627
17628 2012-05-01  Alan Modra  <amodra@gmail.com>
17629
17630         PR target/53038
17631         * config/rs6000/rs6000.c (load_lr_save, restore_saved_lr,
17632         load_cr_save, add_crlr_cfa_restore): New functions.
17633         (rs6000_restore_saved_cr): Rename to..
17634         (restore_saved_cr): ..this.  Add cfa_restore notes for cr.
17635         (rs6000_emit_epilogue): Use new functions.  Adjust condition
17636         for emitting lr and cr cfa_restore.  Emit cfa_restores for fp
17637         regs when using out-of-line restore only when shrink wrapping.
17638
17639 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
17640
17641         PR middle-end/53136
17642         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
17643         calls to cgraph_node_name in xstrdup.
17644         (ipa_make_edge_direct_to_target): Ditto.
17645         * cgraph.c (dump_cgraph_node): Ditto.
17646         * tree-sra.c (convert_callers_for_node): Ditto.
17647         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
17648         * ipa-cp.c (perhaps_add_new_callers): Ditto.
17649         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
17650         (cgraph_materialize_all_clones): Ditto.
17651         * ipa-inline.c (report_inline_failed_reason): Ditto.
17652         (want_early_inline_function_p): Ditto.
17653         (edge_badness): Ditto.
17654         (update_edge_key): Ditto.
17655         (flatten_function): Ditto.
17656         (ipa_inline): Ditto.
17657         (inline_always_inline_functions): Ditto.
17658         (early_inline_small_functions): Ditto.
17659
17660 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
17661
17662         PR target/53141
17663         * config/i386/i386.md (*umul<mode><dwi>3_1): Switch places of
17664         constraints 0 and 1.
17665
17666 012-04-30  Jan Hubicka  <jh@suse.cz>
17667
17668         * cgraph.c (ld_plugin_symbol_resolution_names): Move to symtab.c
17669         (cgraph_asm_nodes, cgraph_asm_last_node): Move to cgraphunit.c
17670         (cgraph_add_to_same_comdat_group): Remove.
17671         (cgraph_add_asm_node): Move to cgraphunit.c.
17672         (cgraph_make_decl_local): Move to symtab.c
17673         (cgraph_make_node_local_1): Update.
17674         (cgraph_can_remove_if_no_direct_calls_and): Update.
17675         (used_from_object_file_p): Update.
17676         (resolution_used_from_other_file_p): Move to symtab.c
17677         (cgraph_used_from_object_file_p): move to symtab.c
17678         (verify_cgraph_node): Verify same comdat groups.
17679         * cgraph.h (cgraph_asm_node): Rename to ...
17680         (asm_node): ... this one.
17681         (cgraph_asm_nodes): Rename to ...
17682         (asm_nodes): ... this one.
17683         (symtab_add_to_same_comdat_group): New function.
17684         (symtab_dissolve_same_comdat_group_list): New function.
17685         (symtab_used_from_object_file_p): Declare.
17686         (symtab_make_decl_local): Declare.
17687         (cgraph_add_to_same_comdat_group): Remove.
17688         (cgraph_add_asm_node): Remove.
17689         (cgraph_used_from_object_file_p, varpool_used_from_object_file_p):
17690         Remove.
17691         (cgraph_finalize_compilation_unit): Rename to ...
17692         (finalize_compilation_unit): ... this one.
17693         (cgraph_optimize): Rename to ....
17694         (compile): ... this one.
17695         (add_asm_node): Declare.
17696         (fixup_same_cpp_alias_visibility): Declare.
17697         (cgraph_make_decl_local): Remove.
17698         (varpool_assemble_pending_decls): Rename to ...
17699         (varpool_output_variables): ... this one.
17700         (varpool_remove_unreferenced_decls): Remove.
17701         * ipa-inline-transform.c (clone_inlined_nodes): Dissolve comdat groups.
17702         (preserve_function_body_p): Make static.
17703         * toplev.c (compile_file): Update comments; update.
17704         * cgraphunit.c: Update comments.
17705         (cgraph_expand_all_functions): Rename to ...
17706         (expand_all_functions): ... this one; update.
17707         (cgraph_mark_functions_to_output): Rename to ...
17708         (mark_functions_to_output): ... this one; cleanup.
17709         (cgraph_output_pending_asms): Remove prototype.
17710         (asm_nodes, asm_last_node): New static vars.
17711         (cgraph_process_new_functions): Update.
17712         (cgraph_reset_node): Cleanup; add comment.
17713         (cgraph_add_new_function): Update.
17714         (cgraph_output_pending_asms): Rename to ...
17715         (output_asm_statements): ... this one.
17716         (add_asm_node): New function.
17717         (fixup_same_cpp_alias_visibility): New function based on code
17718         in cgraph_analyze_function.
17719         (cgraph_analyze_function): Use it.
17720         (cgraph_order_sort): Update.
17721         (cgraph_output_in_order): Update.
17722         (cgraph_function_versioning): Update.
17723         (cgraph_optimize): Rename to ...
17724         (compile): ... this one; initialize streamer hooks here.
17725         (cgraph_finalize_compilation_unit): Rename to ...
17726         (finalize_compilation_unit): ... this one; do not initialize streamer
17727         hook here.
17728         * lto-streamer-out.c (lto_output_toplevel_asms): Update.
17729         * dwarf2out.c: Update ocmment.
17730         * optimize.c (maybe_clone_body): Use symtab_add_to_same_comdat_group.
17731         * method.c (use_thunk): Likewise.
17732         * semantics.c (maybe_add_lambda_conv_op): Likewise.
17733         * decl2.c (maybe_emit_vtables): Likewise.
17734         (cp_write_global_declarations): Use finalize_compilation_unit.
17735         * parser.c (cp_parser_asm_definition): Use add_asm_node.
17736         * lto-streamer-in.c (lto_input_toplevel_asms): Use add_asm_node
17737         * c-decl.c (c_write_global_declarations): Use
17738         finalize_compilation_unit.
17739         * langhooks.c (write_global_declarations): Update.
17740         * ipa.c (cgraph_externally_visible_p): Update.
17741         (dissolve_same_comdat_group_list): Remove.
17742         (function_and_variable_visibility): Update.
17743         * symtab.c: Inlcude lto-streamer.h and rtl.h
17744         (ld_plugin_symbol_resolution_names): New.
17745         (symtab_add_to_same_comdat_group): New.
17746         (symtab_dissolve_same_comdat_group_list): New.
17747         (resolution_used_from_other_file_p): Move here from cgraph.c
17748         (symtab_used_from_object_file_p): New.
17749         (symtab_make_decl_local): New.
17750         * passes.c (register_pass): Update comments.
17751         * c-parser.c (c_parser_asm_definition): Update.
17752         * varpool.c (varpool_analyze_node): Use
17753         fixup_same_cpp_alias_visibility.
17754         (varpool_remove_unreferenced_decls): Make static.
17755         (varpool_assemble_pending_decls): Rename to ...
17756         (varpool_output_variables): ... this one; call
17757         varpool_remove_unreferenced_decls.
17758         (varpool_used_from_object_file_p): Remove.
17759
17760 2012-04-30  Marc Glisse  <marc.glisse@inria.fr>
17761
17762         PR c++/51033
17763         * c-typeck.c (build_array_ref): Call
17764         convert_vector_to_pointer_for_subscript.
17765         * doc/extend.texi (Vector Extensions): Subscripting not just for C.
17766
17767 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
17768
17769         * config/i386/i386.md (and<mode>3): Change runtime operand mode checks
17770         to compile-time "mode == <MODE>mode" checks.
17771         (and splitter): Ditto.
17772
17773 2012-04-30  Richard Henderson  <rth@redhat.com>
17774
17775         * config/arm/arm.md (UNSPEC_LL): New.
17776         * config/arm/sync.md (atomic_loaddi, atomic_loaddi_1): New.
17777         (arm_load_exclusivedi): Use %H0.
17778
17779 2012-04-30  Jason Merrill  <jason@redhat.com>
17780
17781         * dwarf2out.c (comdat_symbol_id): Add const.
17782         (union die_symbol_or_type_node): Add const to die_symbol.
17783         (output_die_symbol, output_die, output_comp_unit): Adjust.
17784
17785 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
17786
17787         * config/arm/arm.md (negdi2): Use gen_negdi2_neon.
17788         * config/arm/neon.md (negdi2_neon): New insn.
17789         Also add splitters for core and NEON registers.
17790
17791 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
17792
17793         * config/arm/arm.c (neon_valid_immediate): Allow const_int.
17794         (arm_print_operand): Add 'x' format.
17795         * config/arm/constraints.md (Dn): Allow const_int.
17796         * config/arm/neon.md (neon_mov<mode>): Use VDX to allow DImode.
17797         Use 'x' format to print constants.
17798         * config/arm/predicates.md (imm_for_neon_mov_operand): Allow const_int.
17799         * config/arm/vfp.md (movdi_vfp): Disable for const_int when neon
17800         is enabled.
17801         (movdi_vfp_cortexa8): Likewise.
17802
17803 2012-04-30  Ian Bolton  <ian.bolton@arm.com>
17804             Sameera Deshpande  <sameera.deshpande@arm.com>
17805             Greta Yorsh  <greta.yorsh@arm.com>
17806
17807         * config/arm/arm-protos.h (ldm_stm_operation_p): New declaration.
17808         * config/arm/arm.c (ldm_stm_operation_p): New function.
17809         * config/arm/predicates.md (load_multiple_operation): Update predicate.
17810         (store_multiple_operation): Likewise.
17811
17812         * config/arm/arm-protos.h (ldm_stm_operation_p): New parameters.
17813         * config/arm/arm.c (ldm_stm_operation_p): New parameters.
17814         * config/arm/predicates.md (load_multiple_operation): Add arguments.
17815         (store_multiple_operation): Likewise.
17816
17817 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
17818
17819         * config/i386/i386.md (and<mode>3): Expand masking operations with
17820         0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
17821         (and splitter): Split to DImode zero_extend RTX for DImode operand[0].
17822
17823 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
17824
17825         Add -Wvarargs option
17826         * builtins.c (fold_builtin_next_arg):  Use OPT_Wvarargs as an
17827         argument for the various warning_at calls.
17828         * docs/invoke.texi: Update the documentation.
17829
17830 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
17831
17832         Switch -ftrack-macro-expansion=2 on by default.
17833         * docs/cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2
17834         by default.
17835
17836         Fix va_start related location
17837         * builtins.c (fold_builtin_next_arg): Unwinds to the first
17838         location in real source code.
17839
17840         Make conversion warnings work on NULL with -ftrack-macro-expansion
17841         * input.h (expansion_point_location_if_in_system_header): Declare
17842         new function.
17843         * input.c (expansion_point_location_if_in_system_header): Define it.
17844
17845         Fix -Wuninitialized for -ftrack-macro-expansion
17846         * tree-ssa.c (warn_uninit): Use the spelling location of the variable
17847         declaration.  Use linemap_location_before_p for source locations.
17848
17849         Strip "<built-in>" loc from displayed expansion context
17850         * input.c (expand_location_1): When expanding to spelling location
17851         in a context of a macro expansion, skip reserved system header
17852         locations.  Update comments.  * tree-diagnostic.c
17853         (maybe_unwind_expanded_macro_loc): Likewise.
17854
17855         Make expand_location resolve to locus in main source file
17856         * input.c (expand_location_1): New.  Takes a parameter to choose
17857         whether to resolve the location to spelling or expansion point.
17858         Was factorized from ...
17859         (expand_location): ... here.
17860         (expand_location_to_spelling_point): New.  Implemented in terms of
17861         expand_location_1.
17862         * diagnostic.c (diagnostic_build_prefix): Use the new
17863         expand_location_to_spelling_point instead of expand_location.
17864
17865         Fix PCH crash on GTYed pointer-to-scalar field of a struct
17866         * gengtype.c (write_types_process_field): Force second argument of
17867         the call to the PCH object hierarchy walker to be 'x'.
17868
17869 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
17870
17871         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
17872         predicate to discriminate types.
17873
17874 2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
17875
17876         * doc/invoke.texi (Wmissing-format-attribute): Document as an
17877         alias of Wsuggest-attribute=format.
17878         * c-typeck.c (convert_for_assignment): Replace
17879         Wmissing-format-attribute with Wsuggest-attribute=format.
17880         (digest_init): Likewise.
17881
17882 2012-04-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
17883
17884         * opts.c (finish_options): Do not handle -Wmissing-noreturn here.
17885         * common.opt (Wmissing-noreturn): Alias of
17886         -Wsuggest-attribute=noreturn.
17887
17888 2012-04-29  Hans-Peter Nilsson  <hp@axis.com>
17889
17890         PR target/53156
17891         * config/cris/cris.md (andqu): New peephole2.
17892         (andu): Tweak head comment.
17893
17894 2012-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
17895             Steven Bosscher  <steven@gcc.gnu.org>
17896             Maxim Kuvyrkov  <maxim@codesourcery.com>
17897
17898         PR tree-optimization/38785
17899         * common.opt (ftree-partial-pre): New option.
17900         * doc/invoke.texi: Document it.
17901         * opts.c (default_options_table): Initialize flag_tree_partial_pre.
17902         * tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
17903         benefit speed path.
17904         (execute_pre): Use flag_tree_partial_pre.
17905
17906 2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17907
17908         PR target/52999
17909         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
17910         in constant pool.
17911
17912 2012-04-27  Ollie Wild  <aaw@google.com>
17913
17914         * doc/invoke.texi (Wliteral-suffix): Document new option.
17915
17916 2012-04-27  Tom Tromey  <tromey@redhat.com>
17917
17918         * dwarf2out.c (dwarf_stack_op_name): Use get_DW_OP_name.
17919         (dwarf_tag_name): Use get_DW_TAG_name.
17920         (dwarf_attr_name): Use get_DW_AT_name.
17921         (dwarf_form_name): Use get_DW_FORM_name.
17922         * dwarf2cfi.c (dwarf_cfi_name): Use get_DW_CFA_name.
17923
17924 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
17925
17926         * tree-ssa-phiopt.c (conditional_replacement): Replace PHIs whose
17927         arguments are -1 and 0, by negating the result of the conditional.
17928
17929 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
17930
17931         PR target/53138
17932         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
17933
17934 2012-04-27  Richard Guenther  <rguenther@suse.de>
17935
17936         * tree-flow.h (is_hidden_global_store): Remove.
17937         * tree-ssa-sink.c (is_hidden_global_store): Likewise.
17938         * tree-ssa-alias.h (ref_may_alias_global_p): Declare.
17939         (stmt_may_clobber_global_p): Likewise.
17940         * tree-ssa-alias.c (ref_may_alias_global_p): New function.
17941         (stmt_may_clobber_global_p): Likewise.
17942         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Call
17943         stmt_may_clobber_global_p.
17944         * tree-ssa-dse.c (dse_possible_dead_store_p): Likewise.
17945
17946 2012-04-27  Steven Bosscher  <steven@gcc.gnu.org>
17947
17948         * cfg.c (disconnect_src): Do df_mark_solutions_dirty in the right
17949         place.
17950
17951         * tree-switch-conversion.c (struct switch_conv_info): Add range_max,
17952         reorganize some fields and update comments.  Rename bit_test_uniq
17953         and bit_test_count to uniq resp. count.  Remove bit_test_bb.
17954         (collect_switch_conv_info): New function, collects info about a
17955         GIMPLE_SWITCH into a struct switch_conv_info.
17956         (check_range): Simplify to use pre-recorded info.  Fix think-o in
17957         range-branch ratio check.
17958         (check_process_case): Remove function.
17959         (check_all_empty_except_final): New function, verifies that all
17960         non-final basic blocks are empty.
17961         (process_switch): Simplify to use pre-recorded info.  Call
17962         collect_switch_conv_info to do that.  Assert that degenerate switch
17963         statements have been cleaned up.
17964
17965 2012-04-27  Marc Glisse  <marc.glisse@inria.fr>
17966
17967         PR middle-end/27139
17968         * tree-ssa-forwprop.c (combine_conversions): Handle INT->FP->INT.
17969
17970 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
17971
17972         PR c/53130
17973         * c-typeck.c (pop_init_level): Use %qD instead of %qT.
17974
17975 2012-04-27  Tom de Vries  <tom@codesourcery.com>
17976
17977         PR tree-optimization/51879
17978         * tree-ssa-sccvn.h (struct vn_reference_s): Add result_vdef field.
17979         * tree-ssa-sccvn.c (mark_use_processed): New function, factored out
17980         of ...
17981         (defs_to_varying): ... here.  Don't set use_processed.
17982         (visit_reference_op_call): Handle gimple_vdef.
17983         Handle case that lhs is NULL_TREE.
17984         (visit_use): Use mark_use_processed.  Handle calls with side-effect
17985         using visit_reference_op_call.
17986
17987 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
17988
17989         * sched-deps.c (fixup_sched_groups): Rename to...
17990         (chain_to_prev_insn): ...this.
17991         (chain_to_prev_insn_p): New function.
17992         (deps_analyze_insn): Use it instead of SCHED_GROUP_P.
17993
17994 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
17995
17996         * sched-int.h (_haifa_insn_data): Move priority_status.
17997         Add model_index.
17998         (INSN_MODEL_INDEX): New macro.
17999         * haifa-sched.c (insn_delay): New function.
18000         (sched_regno_pressure_class): Update commentary.
18001         (mark_regno_birth_or_death): Pass the liveness bitmap and
18002         pressure array as arguments, instead of using curr_reg_live and
18003         curr_reg_pressure.  Only update the pressure if the bit in the
18004         liveness set has changed.
18005         (initiate_reg_pressure_info): Always trust the live-in set for
18006         SCHED_PRESSURE_MODEL.
18007         (initiate_bb_reg_pressure_info): Update call to
18008         mark_regno_birth_or_death.
18009         (dep_list_size): Take the list as argument.
18010         (calculate_reg_deaths): New function, extracted from...
18011         (setup_insn_reg_pressure_info): ...here.
18012         (MODEL_BAR): New macro.
18013         (model_pressure_data, model_insn_info, model_pressure_limit)
18014         (model_pressure_group): New structures.
18015         (model_schedule, model_worklist, model_insns, model_num_insns)
18016         (model_curr_point, model_before_pressure, model_next_priority):
18017         New variables.
18018         (MODEL_PRESSURE_DATA, MODEL_MAX_PRESSURE, MODEL_REF_PRESSURE)
18019         (MODEL_INSN_INFO, MODEL_INSN): New macros.
18020         (model_index, model_update_limit_points_in_group): New functions.
18021         (model_update_limit_points, model_last_use_except): Likewise.
18022         (model_start_update_pressure, model_update_pressure): Likewise.
18023         (model_recompute, model_spill_cost, model_excess_group_cost): Likewise.
18024         (model_excess_cost, model_dump_pressure_points): Likewise.
18025         (model_set_excess_costs): Likewise.
18026         (rank_for_schedule): Extend SCHED_PRIORITY_WEIGHTED ordering to
18027         SCHED_PRIORITY_MODEL.  Use insn_delay.  Use the order in the model
18028         schedule as an alternative tie-breaker.  Update the call to
18029         dep_list_size.
18030         (ready_sort): Call model_set_excess_costs.
18031         (update_register_pressure): Update call to mark_regno_birth_or_death.
18032         Rely on that function to check liveness rather than doing it here.
18033         (model_classify_pressure, model_order_p, model_add_to_worklist_at)
18034         (model_remove_from_worklist, model_add_to_worklist, model_promote_insn)
18035         (model_add_to_schedule, model_analyze_insns, model_init_pressure_group)
18036         (model_record_pressure, model_record_pressures): New functions.
18037         (model_record_final_pressures, model_add_successors_to_worklist)
18038         (model_promote_predecessors, model_choose_insn): Likewise.
18039         (model_reset_queue_indices, model_dump_pressure_summary): Likewise.
18040         (model_start_schedule, model_finalize_pressure_group): Likewise.
18041         (model_end_schedule): Likewise.
18042         (schedule_insn): Say when we're scheduling the next instruction
18043         in the model schedule.
18044         (schedule_insn): Handle SCHED_PRESSURE_MODEL.
18045         (queue_to_ready): Do not add instructions that are
18046         MAX_SCHED_READY_INSNS beyond the current point of the model schedule.
18047         Always allow the next instruction in the model schedule to be added.
18048         (debug_ready_list): Print the INSN_REG_PRESSURE_EXCESS_COST_CHANGE
18049         and delay for SCHED_PRESSURE_MODEL too.
18050         (prune_ready_list): Extend SCHED_PRIORITY_WEIGHTED handling to
18051         SCHED_PRIORITY_MODEL, but also take the DFA into account.
18052         (schedule_block): Call model_start_schedule and model_end_schedule.
18053         Extend SCHED_PRIORITY_WEIGHTED stall handling to SCHED_PRIORITY_MODEL.
18054         (sched_init): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
18055         to SCHED_PRESSURE_MODEL, but don't allocate saved_reg_live or
18056         region_ref_regs.
18057         (sched_finish): Update accordingly.
18058         (fix_tick_ready): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
18059         to SCHED_PRESSURE_MODEL.
18060         (add_jump_dependencies): Update call to dep_list_size.
18061         (haifa_finish_h_i_d): Fix leak of max_reg_pressure.
18062         (haifa_init_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
18063         to SCHED_PRESSURE_MODEL.
18064         * sched-deps.c (init_insn_reg_pressure_info): Likewise, but don't
18065         allocate INSN_MAX_REG_PRESSURE for SCHED_PRESSURE_MODEL.
18066         (sched_analyze_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE
18067         handling to SCHED_PRESSURE_MODEL.
18068
18069 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
18070
18071         * common.opt (fsched-pressure-algorithm=): New option.
18072         * flag-types.h (sched_pressure_algorithm): New enum.
18073         * sched-int.h (sched_pressure_p): Replace with...
18074         (sched_pressure): ...this new variable.
18075         * haifa-sched.c (sched_pressure_p): Replace with...
18076         (sched_pressure): ...this new variable.
18077         (sched_regno_pressure_class, rank_for_schedule, ready_sort)
18078         (update_reg_and_insn_max_reg_pressure, schedule_insn)
18079         (debug_ready_list, prune_ready_list, schedule_block, sched_init)
18080         (sched_finish, fix_tick_ready, haifa_init_insn): Update accordingly.
18081         * sched-deps.c (init_insn_reg_pressure_info): Likewise.
18082         (sched_analyze_insn): Likewise.
18083         * sched-rgn.c (schedule_region): Likewise.
18084         * config/m68k/m68k.c (m68k_sched_variable_issue): Likewise.
18085
18086 2012-04-26  Bernd Schmidt  <bernds@codesourcery.com>
18087
18088         * PR middle-end/52997
18089         * ira.c (find_moveable_pseudos): Call resize_reg_info.
18090
18091         PR middle-end/52940
18092         * machmode.h (CLASS_HAS_WIDER_MODES_P): True for MODE_PARTIAL_INT.
18093         * expr.c (convert_move): Honor unsignedp when extending partial int
18094         modes.
18095         * genmodes.c (complete_mode): Don't clear component field of partial
18096         int modes.
18097         (emit_mode_inner): Don't emit it however.
18098         (calc_wider_mode): Partial int modes widen to their component.
18099
18100 2012-04-26  David S. Miller  <davem@davemloft.net>
18101
18102         * config/sparc/niagara4.md: New file.
18103         * config/sparc/sparc.md: Include it.
18104         * config/sparc/sparc.c (niagara4_costs): New processor costs.
18105         (sparc_option_override): Use it.
18106         (sparc_use_sched_lookahead): Return 2 for niagara4.
18107         (sparc_issue_rate): Likewise.
18108
18109         * config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
18110         (fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
18111         (fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
18112         fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to fgm_mul.
18113         (alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
18114         alignaddrldi_vis): Set type to gsr.
18115         (pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
18116         (fcmp<code><GCM:gcm_name><P:mode>_vis, cmask8<P:mode>_vis,
18117         cmask16<P:mode>_vis, cmask32<P:mode>_vis, fchksm16_vis,
18118         v<vis3_shift_patname><mode>3, fmean16_vis,
18119         fp<plusminus_insn>64_vis, <vis3_addsub_ss_patname><mode>3,
18120         fucmp<code>8<P:mode>_vis): Set type to fga.
18121         * config/sparc/ultra1_2.md: Remove refrences to fgm_cmp.
18122         * config/sparc/niagara.md: Likewise.
18123         * config/sparc/niagara2.md: Likewise.
18124         * config/sparc/ultra3.md: Likewise, and fix type matching for
18125         us3_ialuX reservation.
18126
18127 2012-04-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
18128
18129         * reload.c (find_reloads): Change the loop nesting when trying an
18130         alternative with swapped operands.
18131
18132 2012-04-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
18133
18134         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
18135         comment. Delete unused parameter first_exp_point_map.
18136         (virt_loc_aware_diagnostic_finalizer): Update call.
18137
18138 2012-04-26  Michael Hope  <michael.hope@linaro.org>
18139             Richard Earnshaw  <rearnsha@arm.com>
18140
18141         * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
18142         (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
18143         (GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
18144         (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path.
18145
18146 2012-04-25  Sriraman Tallam  <tmsriram@google.com>
18147
18148         * doc/extend.texi: Document avx2 support.
18149         * config/i386/i386.c (fold_builtin_cpu): Add avx2.
18150
18151 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
18152
18153         PR target/53120
18154         * config/cris/cris.md ("*andhi_lowpart_v32")
18155         ("*andqi_lowpart_v32"): Change first input-only operand from
18156         a (match_operand ...) to (match_dup 0).  Drop alternatives with
18157         const_int-matching constraints for redundancy.
18158         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
18159         three-operand alternative.
18160
18161 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
18162
18163         PR target/53110
18164         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
18165         instead expand it as zero extension.
18166
18167 2012-04-25  H.J. Lu  <hongjiu.lu@intel.com>
18168
18169         PR debug/52857
18170         * dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM.
18171
18172 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
18173
18174         * common.opt (flag_debug_types_section): Default to 0.
18175         (dwarf_version): Default to 4.
18176         (dwarf_record_gcc_switches): Default to 1.
18177         (dwarf_strict): Default to 0.
18178         * toplev.c (process_options): Don't handle dwarf_strict
18179         or dwarf_version here.
18180         * config/vxworks.c (vxworks_override_options): Don't
18181         test whether dwarf_strict or dwarf_version are negative,
18182         instead test !global_options_set.x_dwarf_*.
18183         * config/darwin.c (darwin_override_options): Default to
18184         dwarf_version 2.
18185         * doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
18186         and -fno-debug-types-section are now the default.
18187
18188 2012-04-25  Jan Hubicka  <jh@suse.cz>
18189
18190         * cgraphunit.c: Update toplevel comment.
18191         (tree_rest_of_compilation): Merge into cgraph_expand_function.
18192         (cgraph_analyze_function): Make static.
18193         (cgraph_decide_is_function_needed): Make static.
18194         (cgraph_add_new_function): Use expand_function instead of
18195         rest_of_compilation.
18196         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
18197         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
18198         Move to cgraph.c
18199         (cgraph_inline_p): Remove.
18200         (cgraph_preserve_function_body_p): Move to ipa-inline-transform.
18201         (init_cgraph): Add comment.
18202         * cgraphbuild.c (record_reference, mark_address, mark_load,
18203         mark_store): Do not call analyze_expr hook.
18204         * cgraph.c: Update toplevel comment.
18205         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
18206         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
18207         Move fere from cgraphunit.c
18208         (cgraph_mark_force_output_node): Move to cgraph.h
18209         * cgraph.h: Reorder so the comments match the function placement.
18210         (cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
18211         (cgraph_mark_force_output_node): Move here from cgraph.c
18212         * tree.c (free_lang_data): Do not clear analyze_expr hook.
18213         * ipa-inline-transform.c (preserve_function_body_p): New function.
18214         (inline_transform): Update.
18215         * langhooks.c (lhd_callgraph_analyze_expr): Remove.
18216         * langhooks.h (lang_hooks_for_callgraph): Remove.
18217         (lang_hooks): Remove callgraph.
18218         * tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
18219         * varpool.c: Remove out of date comment.
18220         * langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
18221         (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
18222
18223 2012-04-25  Jan Hubicka  <jh@suse.cz>
18224
18225         PR middle-end/53089
18226         * cgraphunit.c (referred_to_p): Move ahead in file to avoid
18227         forward declaration.
18228         (cgraph_finalize_function): Finalize them here.
18229         * symtab.c (dump_symtab): Dump ctors and dtors.
18230
18231 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
18232
18233         PR middle-end/52979
18234         * stor-layout.c (get_best_mode): Don't return mode with bitsize
18235         larger than maxbits.  Don't compute maxbits modulo align.
18236         Also check that unit bytes long store at bitpos / unit * unit
18237         doesn't affect bits beyond bitregion_end.
18238         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
18239         would not fit into bitregion_start ... bitregion_end + 1 bit region.
18240         (store_split_bit_field): Decrease unit close to end of bitregion_end
18241         if access is restricted in order to avoid mutual recursion.
18242
18243         PR tree-optimization/53058
18244         * double-int.h (double_int_max_value, double_int_min_value): New
18245         prototypes.
18246         * double-int.c (double_int_max_value, double_int_min_value): New
18247         functions.
18248         * tree-vrp.c (register_edge_assert_for_2): Compare mask for LE_EXPR
18249         or GT_EXPR with double_int_max_value instead of double_int_mask.
18250
18251 2012-04-25  Richard Guenther  <rguenther@suse.de>
18252
18253         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
18254         * tree-vect-loop.c (vect_transform_loop): Adjust.
18255         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
18256         the maximum number of iterations for the epilogue loop.
18257         (vect_loop_versioning): Remove case re-using the peeled epilogue loop.
18258
18259 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
18260
18261         PR c/52880
18262         * c-typeck.c (set_nonincremental_init,
18263         set_nonincremental_init_from_string): Pass true instead of false
18264         as IMPLICIT to add_pending_init.
18265
18266 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
18267
18268         * c-typeck.c (pop_init_level): Improve diagnostics.
18269
18270 2012-04-25  Uros Bizjak  <ubizjak@gmail.com>
18271
18272         * compare-elim.c (try_eliminate_compare): Also handle operands with
18273         implicit extensions.
18274
18275 2012-04-25  Alan Modra  <amodra@gmail.com>
18276
18277         * config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
18278         V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
18279         SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
18280         (no_global_regs_above): Delete.
18281         (no_global_regs): New function.
18282         (rs6000_savres_strategy): Handle vector regs.  Use proper lr_save_p
18283         value for load multiple test.
18284         (savres_routine_syms): Increase size.
18285         (rs6000_savres_routine_name, rs6000_savres_routine_sym,
18286         ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
18287         rather than a number of boolean flags.  Update all callers.
18288         (rs6000_savres_routine_name): Generate vector save/restore names.
18289         (rs6000_savres_routine_sym): Handle vector regs.  Delete forward decl.
18290         (ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
18291         (rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
18292         and using_store_multiple.  Expand uses.  Don't always use r11 as
18293         frame reg when needed for out-of-line saves.  Set up initial offset
18294         for out-of-line vector saves when buying stack frame.  Handle pointer
18295         reg setup for out-of-line fp save.  Emit call to out-of-line vector
18296         save function.  Choose r11 or r12 for vrsave reg when available for
18297         better scheduling.
18298         (rs6000_output_function_prologue): Don't emit .extern for ELF.
18299         (rs6000_emit_epilogue): Choose a better frame reg when restoring
18300         from back-chain to suit out-of-line vector restore functions.  Emit
18301         call to out-of-line vector restore function.  Adjust register used
18302         for cr restore.  Tweak pointer register setup for gpr restore.
18303         * config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
18304         FIXED_R13.
18305         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
18306         (V_SAVE_INLINE): Define.
18307         * config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
18308
18309 2012-04-25  Alan Modra  <amodra@gmail.com>
18310
18311         * config/rs6000/rs6000.c (rs6000_savres_strategy): Allow
18312         out-of-line save/restore for large frames.  Don't disable
18313         out-of-line saves on ABI_AIX when using static chain reg.
18314         (rs6000_emit_prologue): Adjust cr_save_regno on ABI_AIX to not
18315         clobber static chain reg, and tweak for out-of-line gpr saves
18316         that use r1.
18317
18318 2012-04-25  Alan Modra  <amodra@gmail.com>
18319
18320         * config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
18321         (rs6000_emit_prologue): Use the above to catch register overlap.
18322
18323 2012-04-25  Alan Modra  <amodra@gmail.com>
18324
18325         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete forward
18326         decl.  Move logic selecting update reg to callers.  Update all callers.
18327         (rs6000_emit_allocate_stack): Add copy_off param.
18328         (emit_frame_save): Don't handle reg+reg addressing.
18329         (ptr_regno_for_savres): New function, extracted from..
18330         (rs6000_emit_savres_rtx): ..here.  Add lr_offset param.
18331         (rs6000_emit_prologue): Generate frame_ptr_rtx as we need it.
18332         Set frame_reg_rtx to r11 whenever r11 is needed, and merge
18333         frame offset adjustment for out-of-line save with copy from sp.
18334         Simplify condition controlling whether cr is saved early or
18335         late.  Use ptr_regno_for_savres to verify correct reg is set
18336         up for out-of-line saves.  Pass the actual pointer reg used to
18337         rs6000_emit_savres_rtx so rtl matches insns in out-of-line
18338         function.  Rearrange spe vars so code is similar to that
18339         elsewhere in this function.  Don't update frame_off when spe
18340         save code will restore r11.  Use emit_frame_save for spe and
18341         gpr saves.  Consolidate darwin out-of-line gpr setup with that
18342         for other abis.  Don't assume frame_offset is zero and frame
18343         reg is sp when setting up altivec reg saves, and calculate
18344         exact offset requirement.
18345         (rs6000_emit_epilogue): Use HOST_WIDE_INT for frame_off.  Tidy
18346         spe restore code.  Consolidate darwin out-of-line gpr setup
18347         with that for other abis.
18348
18349 2012-04-25  Alan Modra  <amodra@gmail.com>
18350
18351         * config/rs6000/rs6000.c (rs6000_frame_related): Don't emit a
18352         REG_FRAME_RELATED_EXPR note when the instruction exactly matches
18353         the replacement.
18354         (emit_frame_save): Delete frame_ptr param.  Rename total_size to
18355         frame_reg_to_sp.
18356         (rs6000_emit_prologue): Add sp_off.  Update rs6000_frame_related
18357         and emit_frame_save calls.  Cope with possibly missing note.
18358
18359 2012-04-24  Sriraman Tallam  <tmsriram@google.com>
18360
18361         * config/i386/i386.c (build_processor_model_struct): New function.
18362         (make_var_decl): New function.
18363         (fold_builtin_cpu): New function.
18364         (ix86_fold_builtin): New function.
18365         (make_cpu_type_builtin): New function.
18366         (ix86_init_platform_type_builtins): New function.
18367         (ix86_expand_builtin): Expand new builtins by folding them.
18368         (ix86_init_builtins): Make new builtins to detect CPU type.
18369         (TARGET_FOLD_BUILTIN): New macro.
18370         (IX86_BUILTIN_CPU_INIT): New enum value.
18371         (IX86_BUILTIN_CPU_IS): New enum value.
18372         (IX86_BUILTIN_CPU_SUPPORTS): New enum value.
18373         * config/i386/i386-builtin-types.def: New function type.
18374         * testsuite/gcc.target/builtin_target.c: New testcase.
18375         * doc/extend.texi: Document builtins.
18376
18377 2012-04-24  Olivier Hainque  <hainque@adacore.com>
18378
18379         * common.opt (gdwarf-): Initialize dwarf_version to -1 instead of 2.
18380         * toplev.c (process_options): Default to dwarf_version 2.
18381         * config/vxworks.c (vxworks_override_options): Default to strict-dwarf
18382         and dwarf_version 2.
18383
18384 2012-04-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
18385
18386         * tree-pretty-print.h (default_tree_printer): Do not declare.
18387         * tree-diagnostic.c: Include tree-pretty-print.h, tree-pass.h and
18388         intl.h.
18389         (default_tree_diagnostic_starter): Make static.
18390         (default_tree_printer): Move to here. Make static.
18391         (tree_diagnostics_defaults): New.
18392         * tree-diagnostic.h (default_tree_diagnostic_starter): Do not declare.
18393         * tree.c (free_lang_data): Use tree_diagnostics_defaults.
18394         * toplev.c: Do not include tree-pass.h.
18395         (default_tree_printer): Move from here.
18396         (general_init): Use tree_diagnostics_defaults.
18397
18398 2012-04-24  Chao-ying Fu  <fu@mips.com>
18399
18400         * config.gcc (mips64*-*-linux*): Append mips/linux-common.h to tm_file.
18401         (mips*-*-linux*): Append mips/linux-common.h to tm_file.
18402         * config/mips/gnu-user.h
18403         (SUBTARGET_CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC directly.
18404         (GNU_USER_TARGET_LINK_SPEC): New define.
18405         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
18406         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC directly.
18407         (GNU_USER_TARGET_MATHFILE_SPEC): New define.
18408         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC and
18409         GNU_USER_TARGET_ENDFILE_SPEC.
18410         * config/mips/gnu-user64.h (LIB_SPEC): Remove.
18411         (GNU_USER_TARGET_LINK_SPEC): New define.
18412         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
18413         * config/mips/linux-common.h: New file.
18414
18415 2012-04-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18416
18417         PR target/47197
18418         * config/rs6000/rs6000-c.c (fully_fold_convert): New function.
18419         (altivec_build_resolved_builtin): Call fully_fold_convert.
18420
18421 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
18422
18423         PR target/53065
18424         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
18425
18426 2012-04-24  Richard Guenther  <rguenther@suse.de>
18427
18428         PR tree-optimization/53085
18429         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
18430         stores.
18431
18432 2012-04-24  Richard Guenther  <rguenther@suse.de>
18433
18434         * tree-if-conv.c (main_tree_if_conversion): Move bb under
18435         ENABLE_CHECKING.
18436
18437 2012-04-24  Jim Meyering  <meyering@redhat.com>
18438
18439         * genattrtab.c (gen_attr): Avoid NULL-deref after diagnosing
18440         absence of an define_enum call.
18441
18442 2012-04-24  Richard Guenther  <rguenther@suse.de>
18443
18444         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): If
18445         the epilogue loop is not re-used as unvectorized version
18446         record the its maximum number of iterations.
18447
18448 2012-04-24  Andrew Pinski  <apinski@cavium.com>
18449
18450         * tree-ssa-forwprop.c (simplify_bitwise_binary):
18451         Don't directly use def1/def2.
18452
18453 2012-04-24  Richard Guenther  <rguenther@suse.de>
18454
18455         PR tree-optimization/53098
18456         * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
18457         comparison sign.
18458
18459 2012-04-24  Andrew Pinski  <apinski@cavium.com>
18460
18461         PR tree-opt/33512
18462         * tree-ssa-forwprop.c (defcodefor_name): New function.
18463         (simplify_bitwise_binary): Use defcodefor_name instead of manually
18464         Simplify "( X | Y) & X" to X and "( X & Y) | X" to X.
18465         Simplify "(~X | Y) & X" to "X & Y" and
18466         "(~X & Y) | X" to "X | Y".
18467
18468 2012-04-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
18469
18470         * recog.c (insn_invalid_p): Add IN_GROUP parameter and use
18471         validate_change to add clobbers if IN_GROUP is nonzero.
18472         (verify_changes): Call insn_invalid_p with IN_GROUP set to true.
18473         * recog.h (insn_invalid_p): Add IN_GROUP parameter to function
18474         prototype.
18475         * gcse.c (process_insert_insn): Call insn_invalid_p with IN_GROUP
18476         set to false.
18477         * config/s390/s390.c (insn_invalid_p): Likewise.
18478
18479 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
18480
18481         PR middle-end/53084
18482         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
18483         (output_addressed_constants): Likewise.
18484
18485         PR middle-end/52999
18486         * varasm.c (get_section): Don't ICE for section conflicts with
18487         built-in section kinds.
18488
18489 2012-04-23  DJ Delorie  <dj@redhat.com>
18490
18491         * config/s390/s390.h (LINK_SPEC): Remove, no longer needed.
18492         (LIBSTDCXX): Change to CPP2.
18493
18494 2012-04-23  H.J. Lu  <hongjiu.lu@intel.com>
18495
18496         PR bootstrap/52878
18497         * opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
18498         extra_masks.
18499
18500 2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
18501
18502         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
18503         (*addsi_2_zext): Ditto.
18504         (*add<mode>_3): Ditto.
18505         (*addsi_3_zext): Ditto.
18506         (*add<mode>_5): Ditto.
18507
18508 2012-04-23  Andrew Pinski  <apinski@cavium.com>
18509
18510         * tree-ssa-forwprop.c (simplify_bitwise_binary): Simplify (A & B) OP0
18511         (C & B) to (A OP0) & B.
18512
18513 2012-04-23  Martin Jambor  <mjambor@suse.cz>
18514
18515         * expr.c (expand_expr_real_1): Remove setting parent's alias set for
18516         temporaries created for a bitfield (reverting revision 122014).
18517
18518 2012-04-23  Richard Guenther  <rguenther@suse.de>
18519
18520         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
18521         the condition using is_gimple_condexpr and avoid the not necessary
18522         boolification.
18523         (set_prologue_iterations): Likewise.
18524         (vect_loop_versioning): Likewise.
18525
18526 2012-04-23  Richard Guenther  <rguenther@suse.de>
18527
18528         PR tree-optimization/53070
18529         * tree-if-conv.c (combine_blocks): Free predicates in all blocks.
18530         (main_tree_if_conversion): Verify we succeeded in that.
18531
18532 2012-04-23  Jan Hubicka  <jh@suse.cz>
18533
18534         * lto-symtab.c (lto_cgraph_replace_node): Do not call
18535         mark_reahcable_node.
18536         * cgraph.c (cgraph_remove_node): Do not clear reachable.
18537         (cgraph_mark_reachable_node): Remove.
18538         (cgraph_mark_force_output_node): Do not set reachable.
18539         (dump_cgraph_node): Do not dump reachable.
18540         (cgraph_create_virtual_clone): Do not set reachable.
18541         * cgraph.h (cgraph_node): Remove reachable flag.
18542         (varpool_node): Remove reachable flag.
18543         (cgraph_mark_if_needed): Remove.
18544         (cgraph_mark_reachable_node): Remove.
18545         * tree-emutls.c (ipa_lower_emutls): Do not check reachable.
18546         * cgraphunit.c (cgraph_finalize_function): Do not mark node as
18547         reachable.
18548         (cgraph_add_new_function): Likewise.
18549         (cgraph_mark_if_needed): Remove.
18550         (cgraph_analyze_function): Do not set target as reachable.
18551         (process_function_and_variable_attributes): Do not care about
18552         dllexport.
18553         (cgraph_analyze_functions): Do not set reachable flags.
18554         (cgraph_mark_functions_to_output): Do not check reachability.
18555         (cgraph_copy_node_for_versioning): Do not set reachable flag.
18556         (dbxout_expand_expr): Update.
18557         * c-decl.c (merge_decls): Do not track changed externs.
18558         * ipa.c: Include pointer-set.h
18559         (enqueue_cgraph_node): Use reachable pointer set.
18560         (process_references): Likewise.
18561         (cgraph_remove_unreachable_nodes): Likewise.
18562         (whole_program_function_and_variable_visibility): Do not recompute
18563         reachable.
18564         * trans-mem.c (ipa_tm_execute): Do not check reachable flag.
18565
18566 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
18567
18568         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
18569
18570 2012-04-23  Richard Guenther  <rguenther@suse.de>
18571
18572         PR c/53060
18573         * c-typeck.c (build_binary_op): Fix typo.
18574
18575 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
18576
18577         PR tree-optimizations/52891
18578         * tree-vect-patterns.c (adjust_bool_pattern): Use
18579         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
18580         but with non-standard precision.
18581
18582 2012-04-22  Jan Hubicka  <jh@suse.cz>
18583
18584         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL
18585         tree refs.
18586
18587 2012-04-22  Jan Hubicka  <jh@suse.cz>
18588
18589         * lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
18590         * cgraphbuild.c (record_reference, record_type_list, mark_address,
18591         mark_load, mark_store): Do not mark varpool nodes as needed.
18592         * cgraph.c (cgraph_new_nodes): Remove.
18593         (cgraph_create_function_alias): Do not mark nodes as reachable.
18594         (cgraph_add_thunk): Likewise.
18595         (cgraph_mark_reachable_node): Do not manage the queue.
18596         * cgraph.h (cgraph_node): Remove next_needed.
18597         (varpool_nodes_queue): Remove next_needed and prev_needed.
18598         (x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
18599         (cgraph_new_nodes): Declare.
18600         (x_varpool_nodes_queue, varpool_nodes_queue); Remove.
18601         (varpool_analyze_pending_decls): Remove.
18602         (varpool_analyze_node): New.
18603         (varpool_mark_needed_node): Remove.
18604         (varpool_first_variable, varpool_next_variable): New inlines.
18605         (varpool_first_static_initializer, varpool_next_static_initializer):
18606         Update.
18607         (FOR_EACH_STATIC_VARIABLE): Remove unused walker.
18608         (varpool_first_defined_variable): New inline.
18609         (varpool_next_defined_variable): New inline
18610         (FOR_EACH_VARIABLE): Reimplement.
18611         (FOR_EACH_DEFINED_VARIABLE): Reimplement.
18612         * toplev.c (wrapup_global_declaration_2): Use analyzed instead of
18613         needed flag.
18614         * cgraphunit.c (cgraph_new_nodes): Declare here.
18615         (enqueue_node): New function.
18616         (cgraph_process_new_functions): update for new
18617         node set; when constructing cgraph enqueue node for processing.
18618         (cgraph_add_new_function): Use new node set.
18619         (process_function_and_variable_attributes): Do not set varpool needed
18620         flags.
18621         (referred_to_p): New function.
18622         (varpool_finalize_decl): Move here from varpool.c; enqueue needed node
18623         when varpool is in construction.
18624         (cgraph_analyze_functions): Rewrite.
18625         (cgraph_expand_all_functions): Update.
18626         (cgraph_output_in_order): Do not analyze pending decls; do not set
18627         needed flags.
18628         (cgraph_optimize): Do not analyze pending decls.
18629         * lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects
18630         in other partition; do not mark node as needed.
18631         * dwarf2out.c (reference_to_unused): Use analyzed flag.
18632         (premark_types_used_by_global_vars_helper): Likewise.
18633         * ipa.c (process_references): Do not call varpool_mark_needed_node.
18634         (cgraph_remove_unreachable_nodes): Do not rely on varpool and
18635         cgrpah queues.
18636         (function_and_variable_visibility): Do not mark node as needed.
18637         (whole_program_function_and_variable_visibility): Likewise.
18638         * Makefile.in (gt-varpool.h): No longer needed.
18639         * passes.c (execute_one_pass, execute_ipa_pass_list): Update.
18640         (ipa_write_summaries): Do not use needed flag.
18641         * varpool.c: Do not include gt-varpool.h
18642         (x_varpool_nodes_queue, x_varpool_last_needed_node,
18643         x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
18644         x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
18645         Remove.
18646         (varpool_remove_node): Do not update the lists.
18647         (dump_varpool_node): Do not dump needed flag.
18648         (varpool_enqueue_needed_node): Remove.
18649         (varpool_mark_needed_node): Remove.
18650         (varpool_reset_queue): Remove.
18651         (varpool_finalize_decl): Move to cgraphunit.c
18652         (varpool_analyze_node): New functions based on former
18653         varpool_analyze_pending_decls.
18654         (varpool_analyze_pending_decls): Remove.
18655         (varpool_assemble_decl): Do not update the lists.
18656         (enqueue_node): New function.
18657         (varpool_remove_unreferenced_decls): Rewrite.
18658         (varpool_empty_needed_queue): Remove.
18659         (add_new_static_var): Do not mark node as needed.
18660         (varpool_create_variable_alias): Handle expansion state
18661         creation.
18662         * except.c (output_ttype): Do not mark node as needed.
18663         * varasm.c (mark_decl_referenced): Do not use mark_needed_node.
18664         * tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
18665         Likewise.
18666         * tree-switch-conversion.c (build_one_array): Likewise.
18667
18668 2012-04-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
18669
18670         PR c/44774
18671         * doc/invoke.texi (pedantic): Rename to Wpedantic.
18672         * common.opt (Wpedantic): New.
18673         (pedantic): Alias Wpedantic.
18674         * diagnostic.c (warning_at): Likewise.
18675         * c-decl.c (diagnose_mismatched_decls): Likewise.
18676         (build_array_declarator): Likewise.
18677         (mark_forward_parm_decls):
18678         (check_bitfield_type_and_width): Likewise.
18679         (grokdeclarator): Likewise.
18680         (grokfield): Likewise.
18681         (finish_struct): Likewise.
18682         (build_enumerator): Likewise.
18683         (store_parm_decls_oldstyle): Likewise.
18684         (declspecs_add_qual): Likewise.
18685         (declspecs_add_type): Likewise.
18686         (finish_declspecs): Likewise.
18687         * c-typeck.c (composite_type): Likewise.
18688         (comp_target_types): Likewise.
18689         (build_array_ref): Likewise.
18690         (pointer_diff): Likewise.
18691         (build_unary_op): Likewise.
18692         (build_conditional_expr): Likewise.
18693         (build_c_cast): Likewise.
18694         (convert_for_assignment): Likewise.
18695         (maybe_warn_string_init): Likewise.
18696         (digest_init): Likewise.
18697         (pop_init_level): Likewise.
18698         (set_init_index): Likewise.
18699         (c_finish_goto_label): Likewise.
18700         (c_finish_return): Likewise.
18701         (do_case): Likewise.
18702         (build_binary_op): Likewise.
18703         * c-parser.c (static): Likewise.
18704         (c_parser_external_declaration): Likewise.
18705         (c_parser_declaration_or_fndef): Likewise.
18706         (c_parser_static_assert_declaration_no_se): Likewise.
18707         (c_parser_enum_specifier): Likewise.
18708         (c_parser_struct_or_union_specifier): Likewise.
18709         (c_parser_struct_declaration): Likewise.
18710         (c_parser_alignas_specifier): Likewise.
18711         (c_parser_braced_init): Likewise.
18712         (c_parser_initelt): Likewise.
18713         (c_parser_compound_statement_nostart): Likewise.
18714         (c_parser_conditional_expression): Likewise.
18715         (c_parser_alignof_expression): Likewise.
18716         (c_parser_postfix_expression): Likewise.
18717         (c_parser_postfix_expression_after_paren_): Likewise.
18718         (c_parser_objc_class_instance_variables): Likewise.
18719         (c_parser_objc_method_definition): Likewise.
18720         (c_parser_objc_methodprotolist): Likewise.
18721
18722 2012-04-22  Ian Lance Taylor  <iant@google.com>
18723
18724         * godump.c (go_output_typedef): Dump size of structs.
18725
18726 2012-04-22  Razya Ladelsky  <razya@il.ibm.com>
18727
18728         Correcting transform_to_exit_first_loop + fix to PR46886
18729         * tree-parloops.c (transform_to_exit_first_loop): Remove
18730         setting of number of iterations according to the loop pattern.
18731         Duplicate from entry to exit->src instead of loop->latch.
18732         (pallelize_loops): Remove the condition preventing do-while loops.
18733         * tree-cfg.c (bool bb_in_region_p): New.
18734         (gimple_duplicate_sese_tail): Adjust duplication of the the subloops.
18735         Adjust redirection of the duplicated iteration.
18736
18737 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
18738
18739         PR bootstrap/53021
18740         * rtl.def (ADDRESS): Use "i" rather than "w".
18741         * rtl.h (find_base_term): Delete.
18742         (may_be_sp_based_p): Declare.
18743         * rtl.c (rtx_code_size): Remove ADDRESS special case.
18744         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP)
18745         (UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Move to...
18746         * alias.c: ...here.
18747         (find_base_term): Make static.
18748         (may_be_sp_based_p): New function.
18749         * dse.c (record_store): Use it.
18750         * store-motion.c (store_killed_in_insn): Likewise.
18751
18752 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
18753
18754         * fold-const.c (fold_checksum_tree): Fix VECTOR_CST case.
18755
18756 2012-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
18757
18758         PR 35441
18759         * c-typeck.c (inform_declaration): New.
18760         (build_function_call_vec):  Do not pretty-print
18761         expressions when caret is enabled.
18762         (convert_arguments): Use inform_declaration.
18763
18764 2012-04-20  Jim Meyering  <meyering@redhat.com>
18765
18766         * genmodes.c (make_complex_modes): Don't truncate a mode name of
18767         length 7 or more when prepending a "C".  Suggested by Richard Guenther.
18768
18769 2012-04-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18770
18771         PR rtl-optimization/44214
18772         * fold-const.c (exact_inverse): New function.
18773         (fold_binary_loc): Fold vector and complex division by constant into
18774         multiply by recripocal with flag_reciprocal_math; fold vector division
18775         by constant into multiply by reciprocal with exact inverse.
18776
18777 2012-04-20  Jan Hubicka  <jh@suse.cz>
18778
18779         * lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of
18780         force flags.
18781         * cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
18782         (cgraph_remove_node): Update.
18783         (cgraph_mark_needed_node): Remove.
18784         (cgraph_mark_force_output_node): New.
18785         (dump_cgraph_node): Do not dump needed flag.
18786         (cgraph_node_cannot_be_local_p_1): Update.
18787         (cgraph_can_remove_if_no_direct_calls_and_refs): Update.
18788         * cgraph.h (symtab_node_base): Add force_output flag.
18789         (cgraph_node): Remove needed flag.
18790         (varpool_node): Remove force_output flag.
18791         (cgraph_mark_needed_node): Remove.
18792         (cgraph_mark_force_output_node): New.
18793         (cgraph_only_called_directly_or_aliased_p,
18794         varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
18795         * ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
18796         * cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
18797         (cgraph_add_new_function): Update.
18798         (cgraph_mark_if_needed): Update.
18799         (verify_cgraph_node): Update.
18800         (cgraph_analyze_function): Alias target is reachable.
18801         (process_function_and_variable_attributes): Update: externally_visible
18802         flag makes function reachable.
18803         (cgraph_analyze_functions): Update dumping.
18804         * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
18805         input_overwrite_node, input_varpool_node): Update streaming.
18806         * lto-streamer-out.c (produce_symtab): Use force_output.
18807         * ipa.c (process_references): Weakrefs must be processed.
18808         (cgraph_remove_unreachable_nodes): Likewise; update for new
18809         force_output flag.
18810         (varpool_externally_visible_p): Weakrefs are externally visible
18811         even if they are not.
18812         (function_and_variable_visibility): Update; when processing alias
18813         pair force the targets to be output.
18814         (whole_program_function_and_variable_visility): Use
18815         mark_reachable_node.
18816         * trans-mem.c (ipa_tm_mark_needed_node): Remove
18817         (ipa_tm_mark_force_output_node): New function.
18818         (ipa_tm_create_version_alias, ipa_tm_create_version): Update.
18819         * gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about
18820         aliases.
18821         * varasm.c (mark_decl_referenced): Update.
18822         (find_decl_and_mark_needed): Remove.
18823         (find_decl): New function.
18824         (weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
18825         alias targets as needed.
18826         (dump_tm_clone_pairs): Update.
18827         * tree-inline.c (copy_bb): Update check.
18828         * symtab.c (dump_symtab_base): Dump force_output.
18829         * tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
18830         * passes.c (execute_todo): Fix dumping.
18831         * varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
18832         (varpool_analyze_pending_decls): Alias target is reachable.
18833         (varpool_create_variable_alias): Finalize weakrefs.
18834
18835 2012-04-20  Jakub Jelinek  <jakub@redhat.com>
18836
18837         PR bootstrap/53021
18838         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP,
18839         UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Define.
18840         * alias.c (init_alias_targets): Use UNIQUE_BASE_VALUE_*
18841         macros instead of constants.
18842         * dse.c (record_store): Check for SP ADDRESS by comparing
18843         XWINT to UNIQUE_BASE_VALUE_SP instead of expecting
18844         XEXP to be stack_pointer_rtx.
18845
18846 2012-04-20  Richard Guenther  <rguenther@suse.de>
18847
18848         * tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
18849         update_call_from_tree when propagating into a call.
18850
18851 2012-04-20  Alan Modra  <amodra@gmail.com>
18852
18853         * config/rs6000/rs6000.c (rs6000_emit_savres_rtx): Formatting.
18854         (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.  Rename
18855         sp_offset to frame_off.  Move world save code earlier.
18856
18857 2012-04-20  Richard Guenther  <rguenther@suse.de>
18858
18859         PR tree-optimization/53050
18860         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
18861         Do only one transform on COND_EXPRs at the same time.
18862
18863 2012-04-19  Jan Hubicka  <jh@suse.cz>
18864
18865         * symtab.c (dump_symtab_base): Revert accidental checkin.
18866
18867 2012-04-20  Alan Modra  <amodra@gmail.com>
18868
18869         PR target/53040
18870         * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
18871         static chain, set REST_INLINE_FPRS too.
18872
18873 2012-04-20  Thomas Schwinge  <thomas@codesourcery.com>
18874
18875         * tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child
18876         nodes.
18877
18878 2012-04-20  Richard Guenther  <rguenther@suse.de>
18879
18880         * tree-vect-loop.c (vect_analyze_loop_operations): Do not vectorize
18881         loops that can never run more often than the vectorization factor.
18882
18883 2012-04-19  Jan Hubicka  <jh@suse.cz>
18884
18885         * symtab.c (dump_symtab_base): Fix dumping of asm lists.
18886
18887 2012-04-19  David Edelsohn  <dje.gcc@gmail.com>
18888
18889         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
18890
18891 2012-04-19  Jim Meyering  <meyering@redhat.com>
18892
18893         * genmodes.c (make_complex_modes): Avoid unnecessary use of strncpy.
18894         We verified above that the string(including trailing NUL) fits in buf,
18895         so just use memcpy.
18896
18897 2012-04-19  Richard Guenther  <rguenther@suse.de>
18898
18899         * symtab.c (dump_symtab_base): Use TREE_STRING_POINTER
18900         for dumping DECL_SECTION_NAME.
18901
18902 2012-04-19  Michael Matz  <matz@suse.de>
18903
18904         PR middle-end/52977
18905         * tree.h (VECTOR_CST_NELTS): Use part number of types again.
18906         (struct tree_vector): Adjust GTY length.
18907         * tree.c (make_vector_stat): Don't set VECTOR_CST_NELTS.
18908
18909         * gengtype.c (struct walk_type_data): Add in_record_p and loopcounter
18910         members.
18911         (walk_type, <TYPE_POINTER, TYPE_ARRAY>): Handle case where our
18912         caller emitted the length calulation already.
18913         (walk_type, <TYPE_UNION, TYPE_STRUCT>): Emit length calculations
18914         before handling any of the fields for structs.
18915
18916 2012-04-19  Richard Guenther  <rguenther@suse.de>
18917
18918         PR tree-optimization/53031
18919         * tree-vrp.c (adjust_range_with_scev): Revert back to
18920         using max_loop_iterations.
18921
18922 2012-04-19  Michael Matz  <matz@suse.de>
18923
18924         * diagnostic.c (emit_diagnostic): Move va_end call after user
18925         of the va_list.
18926         (warning, warning_at, pedwarn, permerror): Ditto.
18927
18928 2012-04-19  Richard Guenther  <rguenther@suse.de>
18929
18930         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
18931         array access.
18932
18933 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
18934
18935         PR target/53033
18936         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
18937         the case *(X+const).
18938
18939 2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
18940
18941         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
18942
18943 2012-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
18944
18945         PR c/52283/37985
18946         * stmt.c (warn_if_unused_value): Skip NOP_EXPR.
18947         * convert.c (convert_to_integer): Don't set TREE_NO_WARNING.
18948
18949 2012-04-19  Richard Guenther  <rguenther@suse.de>
18950
18951         PR rtl-optimization/44688
18952         * loop-iv.c (determine_max_iter): Only return max_iter.
18953         (iv_number_of_iterations): Also use the recorded loop bound
18954         on the maximum number of iterations.
18955         * loop-unroll.c (decide_unroll_runtime_iterations): Use
18956         max_iter to avoid unrolling loops that do not roll.
18957         (decide_unroll_stupid): Likewise.
18958
18959 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
18960
18961         * targhooks.c (default_case_values_threshold): Fix code style nit.
18962
18963         * stmt.c (add_case_node, expand_case): Move logic to remove/reduce
18964         case range and type folding from here...
18965         * gimplify.c (gimplify_switch_expr): ... to here.  Expect NULL_TREE
18966         type, as documented in tree.def.
18967
18968 2012-04-18  Jan Hubicka  <jh@suse.cz>
18969
18970         * cgraph.h (verify_symtab, verify_symtab_node, verify_symtab_base):
18971         Declare.
18972         * cgraphunit.c (verify_cgraph_node): Verify symtab base; do not verify
18973         cgraph hash and same comdat groups.
18974         (cgraph_optimize): Verify symbol table.
18975         * ipa.c (cgraph_remove_unreachable_nodes): Verify symbol table.
18976         (dissolve_same_comdat_group_list): Work on symtab nodes.
18977         (function_and_variable_visibility): Dissolve variable same comdat group
18978         lists, too.
18979         * symtab.c: Include timevar.h
18980         (verify_symtab_base, verify_symtab_node, verify_symtab): New functions.
18981
18982 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
18983
18984         * tree-switch-conversion.c (info): Remove global pass info.
18985         (check_range, check_process_case, check_final_bb, create_temp_arrays,
18986         free_temp_arrays, gather_default_values, build_constructors,
18987         array_value_type, build_one_array, build_arrays, gen_def_assigns,
18988         fix_phi_nodes, gen_inbound_check): Pass info around from ...
18989         (process_switch): ... here.  Unify message format.  Return a const
18990         char pointer to the failure reason message.
18991         (do_switchconv): Unify message format.  Update process_switch usage.
18992
18993         * tree.def (CASE_LABEL_EXPR): Fix documentation, mention all operands.
18994         * tree-cfg.c (edge_to_cases): Fix documentation.
18995
18996 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
18997
18998         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
18999
19000 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19001
19002         PR tree-optimization/52976
19003         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): Delete.
19004         (possibly_move_powi): New function.
19005         (rewrite_expr_tree): Call possibly_move_powi.
19006         (rewrite_expr_tree_parallel): Likewise.
19007         (attempt_builtin_powi): Change call of add_to_ops_vec_max_rank to
19008         call add_to_ops_vec instead.
19009
19010 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19011
19012         PR tree-optimization/52976
19013         * tree-ssa-reassoc.c (stmt_is_power_of_op): New function.
19014         (decrement_power): Likewise.
19015         (propagate_op_to_single_use): Likewise.
19016         (zero_one_operation): Handle __builtin_pow* calls in linearized
19017         expression trees; factor logic into propagate_op_to_single_use.
19018         (undistribute_ops_list): Allow operands with repeat counts > 1.
19019
19020 2012-04-18  Richard Guenther  <rguenther@suse.de>
19021
19022         PR tree-optimization/44688
19023         * cfgloop.h (record_niter_bound): Declare.
19024         * tree-ssa-loop-niter.c (record_niter_bound): Export.
19025         Update the estimation with the upper bound here...
19026         (estimate_numbers_of_iterations_loop): ... instead of here.
19027         Do not forcefully reset a recorded upper bound.
19028         * tree-vect-loop-manip.c (vect_do_peeling_for_alignment):
19029         Record the maximum number of loop iterations of the prologue loop.
19030
19031 2012-04-18  Jan Hubicka  <jh@suse.cz>
19032
19033         * lto-symtab.c (lto_cgraph_replace_node): Update.
19034         * cgraphbuild.c (record_reference, record_type_list,
19035         record_eh_tables, mark_address, mark_load, mark_store): Update.
19036         * cgraph.c (cgraph_same_body_alias, dump_cgraph_node,
19037         cgraph_create_virtual_clone, cgraph_for_node_thunks_and_aliases):
19038         Update.
19039         * cgraph.h (symtab_node_def, symtab_node, const_symtab_node): Remove.
19040         (cgraph_alias_aliased_node, varpool_alias_aliased_node): Update.
19041         * reload.c: Fix typo in comment.
19042         * rtlanal.c: Likewise.
19043         * tree-emultls.c (gen_emutls_addr): Update.
19044         * ipa-reference.c (analyze_function): Update.
19045         * cgraphunit.c (cgraph_analyze_function,
19046         cgraph_process_same_body_aliases, assemble_thunks_and_aliases):
19047         Update.
19048         * ipa-ref.c (ipa_record_reference): Reorg to avoid reference types.
19049         (ipa_remove_reference): Likewise.
19050         (ipa_remove_all_refering): Rename to ...
19051         (ipa_remove_all_referring): ... this one; update.
19052         (ipa_dump_references): Update.
19053         (ipa_dump_referring): Update.
19054         (ipa_clone_references): Update.
19055         (ipa_clone_refering): Rename to ...
19056         (ipa_clone_referring): ... this one; update.
19057         (ipa_ref_cannot_lead_to_return): Update.
19058         (ipa_ref_has_aliases_p): Update.
19059         * ipa-ref.h (symtab_node_def, symtab_node, const_symtab_node): New
19060         forward typedefs.
19061         (ipa_ref_type): Remove.
19062         (ipa_ref_ptr_u): Remove.
19063         (ipa_ref): Remove referencing, refered, refered_index, refering_type
19064         and refered_type; add referring, referred and referred_index.
19065         (ipa_ref_list): Rename refering to referring.
19066         (ipa_record_reference, ipa_remove_all_referring, ipa_dump_referring,
19067         ipa_clone_references, ipa_clone_referring): Update prototypes.
19068         * lto-cgraph.c (referenced_from_other_partition_p): Update.
19069         (lto_output_ref): Update.
19070         (add_references): Update.
19071         (input_varpool_node): Update.
19072         (input_refs): Update.
19073         * ipa-ref-inline.h (ipa_ref_node): Update.
19074         (ipa_ref_varpool_node): Update.
19075         (ipa_ref_referring_node): Update.
19076         (ipa_ref_referring_varpool_node): Update.
19077         (ipa_ref_referring_ref_list): Update.
19078         (ipa_ref_referred_ref_list): Update.
19079         (ipa_ref_list_first_referring): Update.
19080         (ipa_empty_ref_list): Update.
19081         (ipa_ref_list_refering_iterate): Rename to ...
19082         (ipa_ref_list_referring_iterate): ... this one.
19083         * cse.c: Update comment.
19084         * ipa-utils.c (ipa_reverse_postorder): Update.
19085         * tree-ssa-alias.c: Update.
19086         * ipa-inline.c (reset_edge_caches): Update.
19087         (update_caller_keys): Update.
19088         * ipa-inline.h: Update comments.
19089         * jump.c: Update comment.
19090         * alias.c: Likewise.
19091         * ipa.c (process_references): Update.
19092         (cgraph_remove_unreachable_nodes): Likewise.
19093         (ipa_discover_readonly_nonaddressable_var): Likewise.
19094         (cgraph_address_taken_from_non_vtable_p): Likewise.
19095         * trans-mem.c (ipa_tm_execute): Update.
19096         * simplify-rtx.c: Fix comment.
19097         * rtl.c: Fix comment.
19098         * symtab.c (symtab_unregister_node): Update.
19099         * varpool.c (dump_varpool_node): Update.
19100         (varpool_analyze_pending_decls): Update.
19101         (assemble_aliases): Update.
19102         (varpool_for_node_and_aliases): Update.
19103
19104 2012-04-18  Richard Guenther  <rguenther@suse.de>
19105
19106         * cfgloop.h (estimate_numbers_of_iterations_loop): Remove
19107         use_undefined_p parameter.
19108         * tree-flow.h (estimate_numbers_of_iterations): Likewise.
19109         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
19110         Likewise.
19111         (estimate_numbers_of_iterations): Likewise.
19112         (estimated_loop_iterations): Adjust.
19113         (max_loop_iterations): Likewise.
19114         (scev_probably_wraps_p): Likewise.
19115         * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
19116         * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions,
19117         not max_loop_iterations.
19118         (execute_vrp): Remove explicit number of iterations estimation.
19119
19120 2012-04-18  Enkovich Ilya  <ilya.enkovich@intel.com>
19121
19122         * config/i386/linux-common.h: New.
19123
19124         * config.gcc: Add i386/linux-common.h before
19125         all i386/linux.h and i386/linux64.h usages.
19126
19127         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): New.
19128         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
19129         * config/i386/gnu-user64.h: Likewise.
19130
19131         * config/i386/gnu-user.common.h (GNU_USER_TARGET_CC1_SPEC): New.
19132         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
19133         (GNU_USER_TARGET_MATHFILE_SPEC): New.
19134         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
19135
19136 2012-04-18  Jan Hubicka  <jh@suse.cz>
19137
19138         * cgraph.c (cgraph_node_name): Remove.
19139         (dump_cgraph_node): Use dump_symtab_base; reformat.
19140         * cgraph.h (symtab_node_asm_name, symtab_node_name, dump_symtab,
19141         debug_symtab, dump_symtab_node, debug_symtab_node, dump_symtab_base):
19142         Declare.
19143         (cgraph_node_name, varpool_node_name): Remove.
19144         (cgraph_node_asm_name, varpool_node_asm_name,
19145         cgraph_node_name, varpool_node_name): New.
19146         * tree-pass.h (TODO_dump_cgraph): Rename to ...
19147         (TODO_dump_symtab): ... this one.
19148         * ipa-cp (pass_ipa_cp): Update.
19149         * ia-reference.c (generate_summary, read_write_all_from_decl,
19150         propagate, ipa_reference_read_optimization_summary): Update.
19151         * cgraphunit.c (cgraph_analyze_functions): Update.
19152         (cgraph_optimize): Update.
19153         * ipa-ref.c (ipa_dump_references): Update.
19154         (ipa_dump_refering): Update.
19155         * ipa-inline.c (pass_ipa_inline): Update.
19156         * matrix-reorg.c (pass_ipa_matrix_reorg): Update.
19157         * ipa.c (pass_ipa_function_visibility,
19158         pass_ipa_whole_program_visibility): Update.
19159         * tree-sra.c (pass_early_ipa_sra): Update.
19160         * symtab.c: Include langhooks.h
19161         (symtab_node_asm_name): New.
19162         (symtab_node_name): New.
19163         (symtab_type_names): New static var.
19164         (dump_symtab_base): New.
19165         (dump_symtab_node, dump_symtab): New.
19166         (debug_symtab_node,  debug_symtab): New.
19167         * tree-ssa-structalias.c: Dump symbol table.
19168         * pases.c (execute_todo): Handle TODO_dump_symtab instead
19169         of TODO_dump_cgraph.
19170         * varpoo.c (varpool_node_name): Remove.
19171         (dump_varpool_node): Use dump_symtab_base; reformat.
19172
19173 2012-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19174
19175         * doc/invoke.texi (Language Independent Options): @item should be
19176         before @opindex.
19177
19178 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
19179
19180         PR bootstrap/53021
19181         * rtl.c (rtx_code_size): Handle ADDRESS.
19182
19183 2012-04-17  Tom de Vries  <tom@codesourcery.com>
19184
19185         * tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
19186         is not a STMT_LIST.
19187
19188 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
19189
19190         PR target/53020
19191         * config/i386/sync.md (atomic_<code><mode>): Rename to
19192         atomic_<logic><mode>.
19193
19194 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
19195
19196         * rtl.def (ADDRESS): Turn operand into a HOST_WIDE_INT.
19197         * alias.c (reg_base_value): Expand and update comment.
19198         (arg_base_value): New variable.
19199         (unique_id): Move up file.
19200         (unique_base_value, unique_base_value_p, known_base_value_p): New.
19201         (find_base_value): Use arg_base_value and known_base_value_p.
19202         (record_set): Document REG_NOALIAS handling.  Use unique_base_value.
19203         (find_base_term): Use known_base_value_p.
19204         (base_alias_check): Use unique_base_value_p.
19205         (init_alias_target): Initialize arg_base_value.  Use unique_base_value.
19206         (init_alias_analysis): Use 1 as the first id for REG_NOALIAS bases.
19207
19208 2012-04-17  Pat Haugen <pthaugen@us.ibm.com>
19209
19210         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Remove DImode.
19211
19212 2012-04-17  Michael Matz  <matz@suse.de>
19213
19214         PR tree-optimization/18437
19215         * tree-vectorizer.h (_stmt_vec_info.stride_load_p): New member.
19216         (STMT_VINFO_STRIDE_LOAD_P): New accessor.
19217         (vect_check_strided_load): Declare.
19218         * tree-vect-data-refs.c (vect_check_strided_load): New function.
19219         (vect_analyze_data_refs): Use it to accept strided loads.
19220         * tree-vect-stmts.c (vectorizable_load): Ditto and handle them.
19221
19222 2012-04-17  Richard Guenther  <rguenther@suse.de>
19223
19224         PR middle-end/53011
19225         * tree-eh.c (cleanup_empty_eh_merge_phis): Properly discard
19226         loops when redirecting an entry or latch edge.
19227
19228 2012-04-17  Bernd Schmidt  <bernds@codesourcery.com>
19229
19230         * sel-sched.c (sel_global_init): Revert previous change.
19231
19232 2012-04-17  Richard Guenther  <rguenther@suse.de>
19233
19234         * tree-flow.h (array_at_struct_end_p): Move declaration ...
19235         * tree.h (array_at_struct_end_p): ... here.
19236         * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ...
19237         * expr.c (array_at_struct_end_p): ... here.  Rewrite.
19238
19239 2012-04-17  Steven Bosscher  <steven@gcc.gnu.org>
19240
19241         * stmt.c (cost_table_, use_cost_table, cost_table_initialize,
19242         COST_TABLE): Remove.
19243         (estimate_case_costs): Remove.
19244         (expand_case): Do not call estimate_case_costs
19245         to set use_cost_table.
19246         (balance_case_nodes): Do not use use_cost_table.
19247
19248 2012-04-16  Jan Hubicka  <jh@suse.cz>
19249
19250         * cgraph.c (cgraph_hash, assembler_name_hash): Remove.
19251         (hash_node, eq_node): Remove.
19252         (cgraph_create_node): Do not handle hashtable.
19253         (cgraph_get_node): Remove.
19254         (cgraph_insert_node_to_hashtable): Remove.
19255         (hash_node_by_assembler_name): Remove.
19256         (eq_assembler_name): Remove.
19257         (cgraph_node_for_asm): Rewrite.
19258         (cgraph_find_replacement_node): Break out from ...
19259         (cgraph_remove_node): ... here; do not maintain hashtables.
19260         (change_decl_assembler_name): Remove.
19261         (cgraph_clone_node): Do not maintain hashtables.
19262         * cgraph.h (const_symtab_node): New typedef.
19263         (cgraph_insert_node_to_hashtable): Remove.
19264         (symtab_get_node, symtab_node_for_asm,
19265         symtab_insert_node_to_hashtable): Declare.
19266         (cgraph_find_replacement_node): Declare.
19267         (cgraph_get_node, varpool_get_node): Turn into inlines.
19268         (cgraph, varpool): Work sanely on NULL pointers.
19269         (FOR_EACH_SYMBOL): New walker.
19270         * ipa-inline-transform.c (save_inline_function_body): Use
19271         symtab_insert_node_to_hashtable.
19272         * symtab.c: Include ggc.h and diagnostics.h
19273         (symtab_hash, assembler_name_hash): New static vars;
19274         (hash_node, eq_node, hash_node_by_assembler_name,
19275         eq_assembler_name, insert_to_assembler_name_hash,
19276         unlink_from_assembler_name_hash): New.
19277         (symtab_register_node): Update hashtables.
19278         (symtab_insert_node_to_hashtable): New.
19279         (symtab_unregister_node): Update hashtables.
19280         (symtab_get_node): New.
19281         (symtab_node_for_asm): New.
19282         (change_decl_assembler_name): New.
19283         * Makefile.in (symtab.o): Needs GTY.
19284         * varpool.c (varpool_hash): Remove.
19285         (hash_varpool_node, eq_varpool_node, varpool_get_node): Remove.
19286         (varpool_node): Rewrite using varpool_get_node.
19287         (varpool_remove_node): DO not maintain hashtables.
19288         (varpool_node_for_asm): Rewrite.
19289
19290 2012-04-16  Sandra Loosemore  <sandra@codesourcery.com>
19291
19292         * doc/invoke.texi:  Copy-edit to put verbs in the present tense
19293         when describing the current behavior of GCC.
19294
19295 2012-04-16  Richard Sandiford  <rdsandiford@googlemail.com>
19296
19297         * genemit.c (gen_exp): Remove ADDRESS handling.
19298         * genoutput.c (scan_operands): Likewise.
19299         * genpeep.c (match_rtx): Likewise.
19300         * genrecog.c (add_to_sequence): Likewise.
19301
19302 2012-04-16  David Edelsohn  <dje.gcc@gmail.com>
19303
19304         * doc/install.texi (Specific, *-ibm-aix*): Update assembler bug status.
19305
19306 2012-04-16  Martin Jambor  <mjambor@suse.cz>
19307
19308         * tree-sra.c (build_ref_for_model): Create COMPONENT_REFs only for
19309         bit-fields.
19310
19311 2012-04-16  Ulrich Weigand  <ulrich.weigand@linaro.org>
19312
19313         PR target/51819
19314         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
19315         hints for 'A' operand types.
19316
19317 2012-04-16  Jan Hubicka  <jh@suse.cz>
19318
19319         * cgraph.h (symtab_node_base): Add next and previous pointers.
19320         (cgraph_node): Remove next and preivous pointers.
19321         (varpool_node): Likewise; remove next/previous GTY marker;
19322         it is not type safe.
19323         (symtab_node_def): Update GTY marker
19324         (x_cgraph_nodes, cgraph_nodes): Remove.
19325         (symtab_nodes): New function.
19326         (cgraph_order): Rename to ...
19327         (symtab_order): ... this one.
19328         (symtab_register_node, symtab_unregister_node, symtab_remove_node):
19329         Declare.
19330         (x_varpool_nodes, varpool_nodes): Remove.
19331         (FOR_EACH_STATIC_VARIABLE): Update.
19332         (symtab_function_p, symtab_variable_p): New function.
19333         (FOR_EACH_VARIABLE): Update.
19334         (varpool_first_variable, varpool_next_variable): New functions.
19335         (FOR_EACH_VARIABLE): Update.
19336         (cgraph_first_defined_function): Update.
19337         (cgraph_next_defined_function, cgraph_next_defined_function): Update.
19338         (FOR_EACH_DEFINED_FUNCTION, FOR_EACH_FUNCTION): Update.
19339         (cgraph_first_function, cgraph_next_function): New.
19340         (FOR_EACH_FUNCTION): Update.
19341         (cgraph_first_function_with_gimple_body,
19342         cgraph_next_function_with_gimple_body): Update.
19343         * symtab.c: New file.
19344         * cgraph.c: Update copyright dates.
19345         (x_cgraph_nodes, cgraph_order): Remove.
19346         (NEXT_FREE_NODE): Update.
19347         (SET_NEXT_FREE_NODE): New.
19348         (cgraph_create_node_1): Remove common code.
19349         (cgraph_create_node): Remove common code; call symtab_register_node.
19350         (cgraph_remove_node): Remove common code; call symtab_unregister-node.
19351         (cgraph_add_asm_node): Update.
19352         (cgraph_clone_node): Register new node.
19353         * cgraphunit.c (process_function_and_variable_attributes): Update.
19354         (cgraph_analyze_functions): Update.
19355         (cgraph_analyze_functions): Update.
19356         (cgraph_output_in_order): Update.
19357         * lto-cgraph.c (input_node, input_varpool_node, input_cgraph_1):
19358         Update.
19359         * ipa-inline.c (recursive_inlining): Update.
19360         * lto-streamer-in.c (lto_input_toplevel_asms): Update.
19361         * ipa.c (cgraph_remove_unreachable_nodes): Update.
19362         * Makefile.in: Add symtab.o
19363         * varpool.c (x_varpool_nodes): Remove
19364         (varpool_node): Remove common code; call symtab_register_node.
19365         (varpool_remove_node): Remove common code; call symtab_unregister_node.
19366
19367 2012-04-16  Richard Guenther  <rguenther@suse.de>
19368
19369         PR middle-end/52977
19370         * tree.h (VECTOR_CST_NELTS): Adjust.
19371         (struct tree_vector): Add explicit length field.
19372         (make_vector_stat): Declare.
19373         (make_vector): Define.
19374         * tree.c (make_vector_stat): New function.
19375         (build_vector_stat): Use it.
19376         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
19377
19378 2012-04-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19379
19380         PR tree-optimization/52976
19381         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): New function.
19382         (undistribute_ops_list): Ops with repeat counts aren't eligible for
19383         undistribution.
19384         (attempt_builtin_powi): Call add_to_ops_vec_max_rank.
19385
19386 2012-04-16  Jan Hubicka  <jh@suse.cz>
19387
19388         * cgraph.h (FOR_EACH_VARIABLE, FOR_EACH_VARIABLE, FOR_EACH_FUNCTION):
19389         New macros.
19390         * lto-symtab.c (lto_symtab_merge_cgraph_nodes): Use FOR_EACH
19391         walkers to walk cgraph and varpool.
19392         * cgraph.c (cgraph_node_for_asm): Likewise.
19393         (dump_cgraph): Likewise.
19394         * value-prof.c (init_node_map): Likewise.
19395         * tree.c (free_lang_data_in_cgraph): Likewise.
19396         * tree-emutls.c: (ipa_lower_emutls): Likewise.
19397         * ipa-reference.c (generate_summary, propagate): Likewise.
19398         * cgraphunit.c (verify_cgraph, cgraph_process_same_body_aliases,
19399         cgraph_mark_functions_to_output, cgraph_output_in_order,
19400         output_weakrefs, cgraph_materialize_all_clones,
19401         cgraph_optimize): Likewise.
19402         * lto-cgraph.c (merge_profile_summaries): Likewise.
19403         (input_cgraph): Likewise.
19404         * ipa-pure-const.c (generate_summary): Likewise.
19405         (propagate): Likwise.
19406         * ipa-utils.c (ipa_reduced_postorder): Likewise.
19407         (ipa_free_postorder_info): Likewise.
19408         (ipa_reverse_postorder): Likewise.
19409         * ipa-inline.c (ipa_inline): Likewise.
19410         * matrix-reorg.c (find_matrices_decl): Likewise.
19411         (matrix_reorg): Likewise.
19412         * tree-vectorizer.c (increase_alignment): Likewise.
19413         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
19414         (function_and_variable_visibility): Likewise.
19415         (whole_program_function_and_variable_visibility): Likewise.
19416         (ipa_cdtor_merge): Likewise.
19417         * trans-mem.c (ipa_tm_execute): Likewise.
19418         * ipa-inline-analysis.c (dump_inline_summaries): Likewise.
19419         * ipa-prop.c (ipa_print_all_jump_functions): Likewise.
19420         (ipa_print_all_params): Likewise.
19421         (ipa_update_after_lto_read): Likewise.
19422         * tree-profie.c (tree_profiling): Likewise.
19423         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
19424         * passes.c (dump_passes): Likewise.
19425         (do_per_function): Likewise.
19426         (ipa_write_summaries): Likewise.
19427         * varpool.c (dump_varpool): Likewise.
19428         (varpool_node_for_asm): Likewise.
19429         (varpool_assemble_pending_decls): Likewise.
19430
19431 2012-04-16  Richard Guenther  <rguenther@suse.de>
19432
19433         PR tree-optimization/52975
19434         * tree-if-conv.c (predicate_bbs): Do not simplify inverted
19435         condition but always mark it with TRUTH_NOT_EXPR.
19436
19437 2012-04-16  Richard Guenther  <rguenther@suse.de>
19438
19439         PR tree-optimization/52975
19440         * tree-ssa-forwprop.c (combine_cond_exprs): New function.
19441         (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
19442         and VEC_COND_EXPRs.  Also combine into VEC_COND_EXPRs condition.
19443         * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
19444
19445 2012-04-14  Uros Bizjak  <ubizjak@gmail.com>
19446
19447         * config/i386/sse.md (ssse3_plusminus): New code iterator.
19448         (avx2_ph<plusminus_mnemonic>wv16hi3): Macroize insn from
19449         avx2_ph{add,adds,sub,subs}wv16hi3 using ssse3_plusminus code iterator.
19450         (ssse3_ph<plusminus_mnemonic>wv8hi3): Macroize insn from
19451         ssse3_ph{add,adds,sub,subs}wv8hi3 using ssse3_plusminus code iterator.
19452         (ssse3_ph<plusminus_mnemonic>wv4hi3): Macroize insn from
19453         ssse3_ph{add,adds,sub,subs}wv4hi3 using ssse3_plusminus code iterator.
19454
19455         (avx2_ph<plusminus_mnemonic>dv8si3): Macroize insn from
19456         avx2_ph{add,adds,sub,subs}dv8si3 using plusminus code iterator.
19457         (ssse3_ph<plusminus_mnemonic>dv4si3): Macroize insn from
19458         ssse3_ph{add,adds,sub,subs}dv4si3 using plusminus code iterator.
19459         (ssse3_ph<plusminus_mnemonic>dv2si3): Macroize insn from
19460         ssse3_ph{add,adds,sub,subs}dv2si3 using plusminus code iterator.
19461
19462         (xop_plus): New code iterator.
19463         (macs): New code attribute.
19464         (macds): Ditto.
19465         (xop_p<macs><ssemodesuffix><ssemodesuffix>): Macroize insn from
19466         xop_pmacs{,s}{ww,dd} using xop_plus code iterator and VI24_128 mode
19467         iterator.
19468         (xop_p<macs>dql): Macroize insn from xop_pmacs{,s}dql using
19469         xop_plus code iterator.
19470         (xop_p<macs>dqh): Macroize insn from xop_pmacs{,s}dqh using
19471         xop_plus code iterator.
19472         (xop_p<macs>wd): Macroize insn from xop_pmacs{,s}wd using
19473         xop_plus code iterator.
19474         (xop_p<madcs>wd): Macroize insn from xop_pmadcs{,s}wd using
19475         xop_plus code iterator.
19476
19477         (xop_phadd<u>bw): Macroize insn from xop_phadd{,u}bw usign
19478         any_extend code iterator.
19479         (xop_phadd<u>bd): Macroize insn from xop_phadd{,u}bd usign
19480         any_extend code iterator.
19481         (xop_phadd<u>bq): Macroize insn from xop_phadd{,u}bq usign
19482         any_extend code iterator.
19483         (xop_phadd<u>wd): Macroize insn from xop_phadd{,u}wd usign
19484         any_extend code iterator.
19485         (xop_phadd<u>wq): Macroize insn from xop_phadd{,u}wq usign
19486         any_extend code iterator.
19487         (xop_phadd<u>dq): Macroize insn from xop_phadd{,u}dq usign
19488         any_extend code iterator.
19489
19490 2012-04-14  Tom de Vries  <tom@codesourcery.com>
19491
19492         * cfgcleanup.c (try_optimize_cfg): Replace call to delete_insn_chain by
19493         call to delete_insn.  Remove code to reorder BASIC_BLOCK note and
19494         DELETED_LABEL note, and move it to ...
19495         * cfgrtl.c (delete_insn): ... here.  Change return type to void.
19496         (delete_insn_and_edges): Likewise.
19497         (delete_insn_chain): Handle new return type of delete_insn.  Delete
19498         chain backwards rather than forwards.
19499         * rtl.h (delete_insn, delete_insn_and_edges): Change return type to
19500         void.
19501         * cfglayout.c (fixup_reorder_chain): Delete unused label.
19502
19503 2012-04-14  Jan Hubicka  <jh@suse.cz>
19504
19505         * cgraph.h: Update copyrights;
19506         (symtab_node): Turn to union typedef.
19507         (symtab_node_base): New structure.
19508         (symtab_type): Add SYMTAB_SYMBOL tag.
19509         (cgraph_node): Annotate some pinters with nested_ptr.
19510         (varpool_node): Likewise.
19511         (cgraph_local_info): Remove lto_file_data
19512         and externally_visible.
19513         (cgraph_node): Remove decl; same_comdat_group list;
19514         aux; ref_list; order; address_taken; reachable_from_other_parittion,
19515         in_other_partition; resolution.
19516         (varpool_node): Remove decl; same_comdat_group;
19517         ref_list; lto_file_data; aux; order; resolution; externally_visible;
19518         used_from_other_partition; in_other_partition.
19519         (symtab_node_def): New union.
19520         (cgraph, varpool): Update.
19521         (varpool_first_static_initializer, varpool_next_static_initializer,
19522         cgraph_only_called_directly_or_aliased_p,
19523         varpool_can_remove_if_no_refs, varpool_can_remove_if_no_refs,
19524         varpool_all_refs_explicit_p, cgraph_alias_aliased_node,
19525         varpool_alias_aliased_node, cgraph_edge_recursive_p): Update
19526         field references.
19527         * cgraph.c: Likewise.
19528         (cgraph_hash, assembler_name_hash): Turn into symtab_node.
19529         * cgraphbuild.c: Likewise.
19530         * lto-symtab.c: Likewise.
19531         * c-gimplify.c: Likewise.
19532         * value-prof.c: Likewise.
19533         * tree.c: Likewise.
19534         * ipa-cp.c: Likewise.
19535         * tree-emutls.c: Likewise.
19536         * ipa-inline-transform.c: Likwise.
19537         * ipa-reference.c: Likewise.
19538         * cgraphunit.c: Likewise.
19539         * ipa-ref.c: Likewise.
19540         * lto-cgraph.c: Likewise.
19541         * ipa-ref-inline.h: Likewise.
19542         * ipa-pure-const.c: Likewise.
19543         * lto-streamer-out.c: Likewise.
19544         * ipa-utils.c: Likewise.
19545         * ipa-inline.c: Likewise.
19546         * matrix-reorg.c: Likewise.
19547         * tree-eh.c: Likewise.
19548         * tree-vectorizer.c: Likewise.
19549         * ipa-split.c: Likewise.
19550         * ipa.c: Likewise.
19551         * trans-mem.c: Likewise.
19552         * ipa-inline-analysis.c: Likewise.
19553         * gimplify.c: Likewise.
19554         * cfgexpand.c: Likewise.
19555         * tree-sra.c: Likewise.
19556         * ipa-prop.c: Likewise.
19557         * varasm.c: Likewise.
19558         * tree-nested.c: Likewise.
19559         * tree-inline.c: Likewise.
19560         * tree-profile.c: Likewise.
19561         * tree-ssa-structalias.c: Likewise.
19562         * passes.c: Likewise.
19563         * varpool.c: Likewise.
19564
19565 2012-04-14  Tom de Vries  <tom@codesourcery.com>
19566
19567         * tree-ssa-tail-merge.c (stmt_local_def): New function, factored out of
19568         same_succ_hash, with local_def inlined.  Use SINGLE_SSA_DEF_OPERAND.
19569         Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT.  Remove use
19570         of find_edge.
19571         (gsi_advance_fw_nondebug_nonlocal): New function.
19572         (local_def): Removed function.
19573         (same_succ_hash): Use stmt_local_def.
19574         (same_succ_equal): Use gsi_advance_fw_nondebug_nonlocal.
19575         (gsi_advance_bw_nondebug_nonlocal): Use stmt_local_def.
19576
19577 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
19578
19579         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
19580         and __ILP32__ for x32.
19581
19582 2012-04-13  Martin Jambor  <mjambor@suse.cz>
19583
19584         PR middle-end/52939
19585         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
19586         fold_ctor_reference returns a zero constant.
19587
19588 2012-04-13  Enkovich Ilya  <ilya.enkovich@intel.com>
19589
19590         * config.gcc: Add i386/gnu-user-common.h before all
19591         i386/gnu-user.h and i386/gnu-user64.h usages.
19592
19593         * config/i386/gnu-user-common.h: New.
19594
19595         * config/i386/gnu-user.h (CPP_SPEC): Moved to gnu-user-common.h.
19596         (CC1_SPEC): Likewise.
19597         (ENDFILE_SPEC): Likewise.
19598         (DEFAULT_PCC_STRUCT_RETURN): Likewise.
19599         (TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Likewise.
19600         (TARGET_OS_CPP_BUILTINS): Likewise.
19601         (LIBGCC2_HAS_TF_MODE): Likewise.
19602         (LIBGCC2_TF_CEXT): Likewise.
19603         (TF_SIZE): Likewise.
19604         (TARGET_ASM_FILE_END): Likewise.
19605         (STACK_CHECK_MOVING_SP): Likewise.
19606         (STACK_CHECK_STATIC_BUILTIN): Likewise.
19607         * config/i386/gnu-user64.h: Likewise.
19608
19609 2012-04-13  Martin Jambor  <mjambor@suse.cz>
19610
19611         * expr.c (expand_expr_real_1): Pass type, not the expression, to
19612         set_mem_attributes for a memory temporary. Do not call the function
19613         for the memory temporary created for a bitfield.
19614
19615 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
19616
19617         PR debug/48866
19618         * df.h (enum debug_temp_where): New.
19619         (dead_debug_init, dead_debug_finish) Declare.
19620         (dead_debug_add, dead_debug_insert_temp): Declare.
19621         (struct dead_debug_use, struct dead_debug): Moved from...
19622         * df-problems.c: ... here.
19623         (df_set_unused_notes_for_mw): Bind debug uses of unused regno
19624         to a debug temp.
19625         (df_create_unused_note): Likewise.
19626         (df_set_dead_notes_for_mw): Move comment where it belongs.
19627         (dead_debug_init): Export.
19628         (dead_debug_reset_uses): New, factored out of...
19629         (dead_debug_finish): ...this.  Export.
19630         (dead_debug_reset): Remove.
19631         (dead_debug_add): Export.
19632         (dead_debug_insert_before): Rename to...
19633         (dead_debug_insert_temp): ... this.  Add where argument.  Export.
19634         Locate stored value for BEFORE_WITH_VALUE.  Avoid repeat inserts.
19635         Return insertion count.
19636         (df_note_bb_compute): Adjust.
19637         * dce.c (word_dce_process_block): Adjust dead debug uses.
19638         (dce_process_block): Likewise.
19639
19640 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
19641
19642         * df-problems.c (df_note_bb_compute): Do not take note of
19643         debug uses for whose REGs we won't emit DEAD or UNUSED notes.
19644
19645 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
19646
19647         PR debug/51570
19648         * var-tracking.c (expand_depth): New type.
19649         (onepart_aux, expand_loc_callback_data): Change depth type to it.
19650         (loc_exp_dep_alloc): Adjust initializer.
19651         (update_depth): Use new type.  Add entryvals.
19652         (vt_expand_var_loc_chain): Take note of expansions with
19653         ENTRY_VALUEs, but don't accept them right away.  Run an optional
19654         second pass accepting the minimum ENTRY_VALUE count found in the
19655         first pass.
19656         (vt_expand_loc_callback, INIT_ELCD): Adjust.
19657
19658 2012-04-13  Tom de Vries  <tom@codesourcery.com>
19659
19660         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
19661         parameters vuse and vuse_escaped.
19662         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
19663         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
19664         vuse1 != vuse2.
19665
19666 2012-04-13  Richard Guenther  <rguenther@suse.de>
19667
19668         PR tree-optimization/52969
19669         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
19670         the condition for the COND_EXPR and handle predicate negation
19671         by swapping the COND_EXPR arms.
19672
19673 2012-04-13  Nick Clifton  <nickc@redhat.com>
19674
19675         * config/rl78/rl78.c (rl78_devirt_pass): Remove use of
19676         TODO_dump_func flag.
19677
19678 2012-04-13  Andrey Belevantsev  <abel@ispras.ru>
19679
19680         PR rtl-optimization/52203
19681         PR rtl-optimization/52715
19682
19683         Revert the 2012-03-07 fix for PR 52203.
19684         * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
19685         the insn does not modify DFA right before issuing, adjust
19686         issue_rate accordingly.
19687
19688 2012-04-13  Richard Guenther  <rguenther@suse.de>
19689
19690         PR c/52549
19691         * c-typeck.c (pointer_diff): Remove bogus assert.
19692
19693 2012-04-13  Richard Guenther  <rguenther@suse.de>
19694
19695         PR c/52862
19696         * convert.c (convert_to_pointer): Remove special-casing of zero.
19697
19698 2012-04-13  Joey Ye  <joey.ye@arm.com>
19699
19700         * config/arm/constraints.md (Pe): New constraint.
19701         * config/arm/arm.md: New split for imm 256-510.
19702
19703 2012-04-13  Terry Guo  <terry.guo@arm.com>
19704
19705         * config/arm/arm-cores.def: Added core cortex-m0plus.
19706         * config/arm/arm-tune.md: Regenerated.
19707         * config/arm/arm-tables.opt: Regenerated.
19708         * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
19709
19710 2012-04-13  Alan Modra  <amodra@gmail.com>
19711
19712         PR target/52828
19713         * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
19714         tie regs on destination of sets.  Delete forward declaration.
19715         (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
19716         (rs6000_emit_prologue): Likewise.
19717         (rs6000_emit_epilogue): Likewise.  Use in place of gen_frame_tie
19718         and gen_stack_tie.
19719         (is_mem_ref): Use tie_operand to recognise stack ties.
19720         * config/rs6000/predicates.md (tie_operand): New.
19721         * config/rs6000/rs6000.md (restore_stack_block): Generate new
19722         stack tie rtl.
19723         (restore_stack_nonlocal): Likewise.
19724         (stack_tie): Update.
19725         (frame_tie): Delete.
19726
19727 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19728
19729         * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
19730         HOST_WIDE_INT_PRINT_DEC in format strings.
19731
19732 2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
19733
19734         PR target/52932
19735         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
19736         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
19737         * config/i386/sse.md (UNSPEC_VPERMVAR): New.
19738         (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
19739         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
19740         (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
19741         avx2_permvarv8si using VI4F_256 mode iterator.
19742         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
19743         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
19744         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
19745         gen_avx2_permvarv8sf.
19746         (expand_vec_perm_pshufb): Ditto.
19747
19748 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
19749
19750         PR target/52775
19751         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
19752         the list of options to enable the FCFID instruction.
19753         (TARGET_EXTRA_BUILTINS): Adjust comment.
19754
19755 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19756
19757         PR tree-optimization/18589
19758         * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
19759         (operand_entry): Add count field.
19760         (add_repeat_to_ops_vec): New function.
19761         (completely_remove_stmt): Likewise.
19762         (remove_def_if_absorbed_call): Likewise.
19763         (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
19764         (acceptable_pow_call): New function.
19765         (linearize_expr_tree): Look for builtin pow/powi calls and add operand
19766         entries with repeat counts when found.
19767         (repeat_factor_d): New struct and associated typedefs.
19768         (repeat_factor_vec): New static vector variable.
19769         (compare_repeat_factors): New function.
19770         (get_reassoc_pow_ssa_name): Likewise.
19771         (attempt_builtin_powi): Likewise.
19772         (reassociate_bb): Call attempt_builtin_powi.
19773         (fini_reassoc): Two new calls to statistics_counter_event.
19774
19775 2012-04-12  Richard Guenther  <rguenther@suse.de>
19776
19777         * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
19778         * cgraph.h (tree_rest_of_compilation): Remove.
19779         * cgraph.c (cgraph_add_new_function): Move ...
19780         * cgraphunit.c (cgraph_add_new_function): ... here.
19781         (tree_rest_of_compilation): Make static.
19782         (cgraph_expand_function): Do not set cgraph_function_flags_ready.
19783         * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
19784         gate_all_early_local_passes, execute_all_early_local_passes,
19785         pass_early_local_passes, gate_all_early_optimizations,
19786         pass_all_early_optimizations): Move ...
19787         * passes.c (gate_all_optimizations, pass_all_optimizations,
19788         gate_all_early_local_passes, execute_all_early_local_passes,
19789         pass_early_local_passes, gate_all_early_optimizations,
19790         pass_all_early_optimizations): ... here.
19791         * tree-optimize.c (execute_free_datastructures): Remove.
19792         * tree-flow.h (execute_free_datastructures): Remove.
19793         * tree-optimize.c (execute_init_datastructures,
19794         pass_init_datastructures): Move ...
19795         * tree-ssa.c (execute_init_datastructures,
19796         pass_init_datastructures): ... here.
19797         * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
19798         execute_free_datastructures.
19799
19800 2012-04-12  Bernd Schmidt  <bernds@codesourcery.com>
19801
19802         * dbgcnt.def (ira_move): New counter.
19803         * ira-int.h (ira_create_new_reg): Declare function.
19804         (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
19805         * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
19806         no longer static.  All callers changed.
19807         * ira.c: Include "dbgcnt.h".
19808         (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
19809         move_unallocated_pseudos): New static functions.
19810         (first_moveable_pseudo, last_moveable_pseudo): New global variables.
19811         (pseudo_replaced_reg, pseudo_move_insn): New static variables.
19812         (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
19813         * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
19814         to the pseudos generated in find_moveable_pseudos.
19815         * Makefile.in (ira.o): Add $(DBGCNT_H).
19816
19817 2012-04-12  Richard Guenther  <rguenther@suse.de>
19818
19819         PR tree-optimization/52943
19820         * tree-chrec.h (chrec_is_positive): Remove.
19821         * tree-scalar-evolution.c (chrec_is_positive): Move ...
19822         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
19823         Return false for a constant zero instead of negative.
19824         (analyze_siv_subscript_cst_affine): Handle zero difference
19825         in the initial condition explicitely.
19826
19827 2012-04-12  Richard Guenther  <rguenther@suse.de>
19828
19829         * tree-parloops.c (parallelize_loops): Also consult the upper
19830         bound for the number of iterations.
19831         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
19832         (loop_prefetch_arrays): Likewise.
19833
19834 2012-04-12  Richard Guenther  <rguenther@suse.de>
19835
19836         * cfgloop.h (estimated_loop_iterations_int): Ditch
19837         'conservative' parameter.
19838         (max_stmt_executions_int): Likewise.
19839         (estimated_loop_iterations): Likewise.
19840         (max_stmt_executions): Likewise.
19841         (max_loop_iterations): Declare.
19842         (max_loop_iterations_int): Likewise.
19843         (estimated_stmt_executions): Likewise.
19844         (estimated_stmt_executions_int): Likewise.
19845         * tree-ssa-loop-niter.c (estimated_loop_iterations):
19846         Split parts to ...
19847         (max_loop_iterations): ... this.
19848         (estimated_loop_iterations_int): Split parts to ...
19849         (max_loop_iterations_int): ... this.
19850         (max_stmt_executions_int): Split parts to ...
19851         (estimated_stmt_executions_int): ... this.
19852         (max_stmt_executions): Split parts to ...
19853         (estimated_stmt_executions): ... this.
19854         * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
19855         * predict.c (predict_loops): Likewise.
19856         * tree-data-ref.c (max_stmt_executions_tree): Likewise.
19857         (analyze_siv_subscript_cst_affine): Likewise.
19858         (compute_overlap_steps_for_affine_1_2): Likewise.
19859         (analyze_subscript_affine_affine): Likewise.
19860         (init_omega_for_ddr_1): Likewise.
19861         * tree-parloops.c (parallelize_loops): Likewise.
19862         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
19863         (may_eliminate_iv): Likewise.
19864         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
19865         (loop_prefetch_arrays): Likewise.
19866         * tree-vrp.c (adjust_range_with_scev): Likewise.
19867
19868 2012-04-12  Oleg Endo  <olegendo@gcc.gnu.org>
19869
19870         * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
19871         * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
19872         Fix line width.
19873         (dump_table): Use bool type for need_align and have_df variables.
19874         (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
19875         (regs_used): Remove register modifier.
19876         (barrier_align): Move variables slot, credit, jump_to_next
19877         into if block above for loop.  Use bool type for jump_to_next.
19878         (sh_function_arg): Use NULL_RTX instead of 0.
19879
19880 2012-04-11  Andreas Schwab  <schwab@linux-m68k.org>
19881
19882         * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
19883         (bswapsi2): New expander.
19884
19885 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
19886
19887         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
19888         0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
19889
19890 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
19891
19892         PR rtl-optimization/52876
19893         * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
19894         Don't call mark_reg_pointer for incompatible pointer sign extension.
19895
19896         * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
19897         directly.
19898
19899 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
19900
19901         * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
19902         comparisons against TYPE_PRECISION.
19903         * tree-ssa-forwprop.c (combine_conversions): Likewise.
19904
19905 2012-04-11  Xinliang David Li  <davidxl@google.com>
19906
19907         * tree-passes.h: Remove TODO_dump_func.
19908         * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
19909         * trans-mem.c: Remove TODO_dump_func.
19910         * ira.c: Remove TODO_dump_func.
19911
19912 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
19913
19914         * config/i386/i386.c (ix86_option_override_internal): Check
19915         SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
19916         after TARGET_64BIT is updated.
19917
19918 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
19919
19920         * config/sh/sh.h: Remove old secondary reload code.
19921
19922 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
19923
19924         * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
19925         (ready_reorder): ... this function.
19926
19927 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
19928
19929         * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
19930         sched_init calls.
19931
19932         * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
19933         insns so that no other insn is queued for a time before them.
19934
19935         * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
19936         unknown.
19937
19938 2012-04-11  Richard Guenther  <rguenther@suse.de>
19939
19940         PR middle-end/52621
19941         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
19942         consider loop nesting.
19943         (evolution_function_is_univariate_p): Properly check the remainder
19944         for chrecs.
19945
19946 2012-04-11  Richard Guenther  <rguenther@suse.de>
19947
19948         PR middle-end/52918
19949         * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
19950
19951 2012-04-11  Nick Clifton  <nickc@redhat.com>
19952
19953         * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
19954         information, if requested.
19955
19956         * config/rx/rx.c (rx_expand_prologue): Likewise.
19957
19958 2012-04-11  Peter Bergner  <bergner@vnet.ibm.com>
19959             Michael Matz  <matz@suse.de>
19960
19961         PR target/16458
19962         * rtlanal.c (unsigned_reg_p): New function.
19963         Update copyright notice dates.
19964         * rtl.h (unsigned_reg_p): Prototype it.
19965         Update copyright notice dates.
19966         * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
19967         Update comment.
19968         * expr.c (expand_expr_real_1): Set register attributes.
19969         * stmt.c (expand_case): Likewise.
19970
19971 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
19972
19973         PR target/50751
19974         * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
19975         consider_sh2a and allow_zero.
19976         * config/sh/sh.c (sh_legitimate_index_p): Likewise.
19977         (disp_addr_displacement): New function.
19978         (sh_address_cost): Use disp_addr_displacement function instead
19979         of DISP_ADDR_OFFSET.
19980         (sh_legitimate_address_p): Adapt to changed
19981         sh_legitimate_index_p declaration.
19982         (sh_find_mov_disp_adjust): Remove HImode check.
19983         (sh_secondary_reload): Add HImode case.  Use satisfies_constraint_Sdd,
19984         disp_addr_displacement and max_mov_insn_displacement.
19985         (max_mov_insn_displacement): Remove HImode check.
19986         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
19987         DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
19988         * config/sh/constraints.md (K05, K13): New constraints.
19989         (K12): Correct comment.
19990         (Sdd): Do not use DISP_ADDR_P macro.
19991         (Snd, Sbw): Use satisfies_constraint_Sdd.
19992         * config/sh/sh.md (extendhisi2): Remove constraints from expander.
19993         (*extendhisi2_compact, movhi_i): Remove.
19994         (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
19995         *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
19996         *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
19997         *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
19998         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
19999         *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
20000         *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
20001         CONST_OK_FOR_Kxx.
20002         Add new peepholes for HImode displacement addressing.
20003
20004 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
20005
20006         * config/sh/sh.h (SIDI_OFF): Remove.
20007         * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
20008         DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
20009         or operand_subword.
20010
20011 2012-04-11  Eric Botcazou  <ebotcazou@adacore.com>
20012
20013         PR target/52624
20014         * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
20015         (PowerPC AltiVec/VSX Built-in Functions): Remove it.
20016         * doc/md.texi (Standard Names): Add bswap.
20017         * builtin-types.def (BT_UINT16): New primitive type.
20018         (BT_FN_UINT16_UINT16): New function type.
20019         * builtins.def (BUILT_IN_BSWAP16): New.
20020         * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
20021         (expand_builtin) <BUILT_IN_BSWAP16>: New case.  Pass TARGET_MODE to
20022         expand_builtin_bswap.
20023         (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
20024         (fold_builtin_1): Likewise.
20025         (is_inexpensive_builtin): Likewise.
20026         * optabs.c (expand_unop): Deal with bswap in HImode specially.  Add
20027         missing bits for bswap to libcall code.
20028         * tree.c (build_common_tree_nodes): Build uint16_type_node.
20029         * tree.h (enum tree_index): Add TI_UINT16_TYPE.
20030         (uint16_type_node): New define.
20031         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
20032         * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
20033         above builtin.
20034         (rs6000_init_builtins): Likewise.
20035         * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
20036
20037 2012-04-11  Tristan Gingold  <gingold@adacore.com>
20038
20039         * doc/extend.texi (Type Attributes): Move paragraph.
20040
20041 2012-04-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
20042
20043         PR 24985
20044         * diagnostic.h (show_caret): Declare.
20045         (caret_max_width): Declare.
20046         (diagnostic_show_locus): Declare.
20047         * diagnostic.c (diagnostic_initialize): Initialize to false.
20048         (diagnostic_show_locus): New.
20049         (diagnostic_report_diagnostic): Call it.
20050         (getenv_columns): New.
20051         (adjust_line): New.
20052         (diagnostic_set_caret_max_width): New.
20053         * input.c (read_line): New.
20054         (location_get_source_line): New.
20055         * input.h (location_get_source_line): Declare.
20056         * toplev.c (general_init): Initialize show_caret from options.
20057         * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
20058         * opts.c (common_handle_option): Likewise.
20059         * pretty-print.h (pp_get_prefix): New.
20060         (pp_base_get_prefix): New.
20061         * common.opt (fdiagnostics-show-caret): New option.
20062         * doc/invoke.texi (fdiagnostics-show-caret): Document it.
20063
20064 2012-04-11  Richard Guenther  <rguenther@suse.de>
20065
20066         PR rtl-optimization/52881
20067         * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
20068
20069 2012-04-11  Richard Guenther  <rguenther@suse.de>
20070
20071         PR tree-optimization/52912
20072         * tree-ssa-threadupdate.c (thread_block): Tell the cfg
20073         manipulation code we are threading through a loop header
20074         to an exit destination.
20075
20076 2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
20077
20078         * tree.h (warn_if_unused_value): Move declaration from here.
20079         * stmt.c (warn_if_unused_value): Move definition from here.
20080
20081 2012-04-10  Michael Matz  <matz@suse.de>
20082
20083         * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
20084         grouped_stores.
20085         (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
20086         (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
20087         (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
20088         (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
20089         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
20090         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
20091         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
20092         (vect_record_strided_load_vectors): Rename to
20093         vect_record_grouped_load_vectors.
20094         * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
20095         Rename use of above macros.
20096         (vect_verify_datarefs_alignment): Ditto.
20097         (vector_alignment_reachable_p): Ditto.
20098         (vect_peeling_hash_get_lowest_cost): Ditto.
20099         (vect_enhance_data_refs_alignment): Ditto.
20100         (vect_analyze_group_access): Ditto and rename stride to groupsize.
20101         (vect_analyze_data_ref_access): Rename "strided" to "grouped".
20102         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
20103         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
20104         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
20105         (vect_record_strided_load_vectors): Rename to
20106         vect_record_grouped_load_vectors.
20107         * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
20108         (destroy_loop_vec_info): Ditto.
20109         (vect_transform_loop): Ditto and rename strided_store to grouped_store.
20110         * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
20111         (vect_analyze_slp): Ditto.
20112         (new_bb_vec_info): Ditto.
20113         (destroy_bb_vec_info): Ditto.
20114         (vect_schedule_slp_instance): Ditto and rename strided_store to
20115         grouped_store.
20116         * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
20117         vect_cost_group_size.
20118         (vect_model_store_cost): Rename use of above macros and call
20119         to vect_cost_strided_group_size.
20120         (vect_model_load_cost): Ditto.
20121         (vectorizable_store): Ditto, rename strided_store to grouped_store
20122         and calls to renamed tree-vectorizer.h functions.
20123         (vectorizable_load): Ditto.
20124         (vect_transform_stmt): Rename use of above macros and strided_store
20125         to grouped_store.
20126
20127 2012-04-10  Jan Hubicka  <jh@suse.cz>
20128
20129         * cgraph.h: Remove misledaing comment on ipa-ref.h.
20130         (symtab_type): New enum.
20131         (symtab_node): New structure.
20132         (cgraph_node, varpool_node): Add symbol base type.
20133         (cgraph, varpool): New accestor functions.
20134         * cgraph.c (cgraph_create_node_1): Set symbol type.
20135         * varpool.c (varpool_node): Set symbol type.
20136
20137 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
20138             Richard Sandiford  <rdsandiford@googlemail.com>
20139
20140         * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
20141
20142 2012-04-10  Richard Guenther  <rguenther@suse.de>
20143
20144         PR middle-end/52888
20145         * gimple-low.c (gimple_check_call_args): Properly account for
20146         compatible aggregate types.
20147
20148 2012-04-10  Richard Guenther  <rguenther@suse.de>
20149
20150         * toplev.h (tree_rest_of_compilation): Remove.
20151         * tree-optimize.c (tree_rest_of_compilation): Likewise.
20152         * cgraph.h (tree_rest_of_compilation): Declare.
20153         * tree-optimize.c (tree_rest_of_compilation): Move ...
20154         * cgraphunit.c (tree_rest_of_compilation): ... here.
20155         * cgraph.c (cgraph_add_new_function): Adjust.
20156         * Makefile.in (tree-optimize.o): Adjust.
20157         (cgraphunit.o): Likewise.
20158
20159 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
20160
20161         PR tree-optimization/52870
20162         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
20163         presumed pattern statement is within the same loop or basic block.
20164
20165 2012-04-10  Tristan Gingold  <gingold@adacore.com>
20166
20167         * gengtype.c (main): Make uintptr_t a known type.
20168
20169 2012-04-10  Richard Guenther  <rguenther@suse.de>
20170
20171         * tree-pass.h (tree_lowering_passes): Remove.
20172         * tree-optimize.c (tree_lowering_passes): Remove.
20173         * cgraph.c (cgraph_add_new_function): Inline relevant parts
20174         of tree_lowering_passes, avoid redundant call of early local passes.
20175         * cgraphunit.c (cgraph_lower_function): Fold into ...
20176         (cgraph_analyze_function): ... its single caller.  Inline
20177         relevant parts of tree_lowering_passes.
20178
20179 2012-04-09  H.J. Lu  <hongjiu.lu@intel.com>
20180
20181         PR other/52777
20182         * config/pa/pa.opt: Remove SIO and GNU_LD.
20183
20184 2012-04-09  Jan Hubicka  <jh@suse.cz>
20185
20186         PR lto/52722
20187         PR lto/51765
20188         PR lto/52634
20189         * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
20190         boundary, add its target too.
20191         * lto.c (add_references_to_partition): Add also aliased nodes.
20192         (add_cgraph_node_to_partition,
20193         add_varpool_node_to_partition): Work on nodes, not functions/variables;
20194         when adding alias, add also the aliased object.
20195
20196 2012-04-09  Uros Bizjak  <ubizjak@gmail.com>
20197
20198         PR target/52883
20199         * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
20200         VOIDmode immediate operands.
20201         * config/i386/constraints.md (Wz): New constraint.
20202         * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
20203
20204 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
20205
20206         PR target/52717
20207         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
20208         the DECL generated for the special GOT helper.
20209
20210 2012-04-09  Oleg Endo  <olegendo@gcc.gnu.org>
20211
20212         * config/sh/constraints.md: Update list of constraints in
20213         comment block.
20214         (Sr0): Remove unused memory constraint.
20215
20216 2012-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
20217
20218         * tree-pretty-print.h: Update comment.
20219
20220 2012-04-08  Oleg Endo  <olegendo@gcc.gnu.org>
20221
20222         * config/sh/sh.md: Use braced string notation where applicable.
20223         (*prefetch_i4, prefetch_m2a): Merge into ...
20224         (*prefetch): ... this new insn.
20225
20226 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
20227
20228         * config/sh/sh.h (high_life_started): Remove
20229         * config/sh/predicates.md (general_movdst_operand): Use
20230         'reload_in_progress' instead of 'high_life_started'.
20231         * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
20232         divsi_inv_fp): Likewise.
20233
20234 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
20235
20236         * config/sh/sh-protos.h (prepare_move_operands): Return void
20237         instead of int.
20238         * config/sh/sh.c (prepare_move_operands): Likewise.
20239         * config/sh/sh.md: Remove return value checks of prepare_move_operands.
20240
20241 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
20242
20243         * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
20244         general_movsrc_operand, general_movdst_operand, arith_reg_operand,
20245         fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
20246         logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
20247         commutative_float_operator, noncommutative_float_operator,
20248         sh_handle_pragma): Remove.
20249
20250 2012-04-06  Sandra Loosemore  <sandra@codesourcery.com>
20251
20252         * doc/invoke.texi:  Clean up Texinfo markup throughout the file.
20253         Use @option markup on command-line options.  Use @samp markup on
20254         literal keywords to options.  Use @code markup on code fragments.
20255         Use other markup in preference to quotation marks in the text.
20256         Add markup to some passages without any.
20257
20258 2012-04-06  Mike Stump  <mikestump@comcast.net>
20259
20260         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
20261
20262 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
20263
20264         * config/sh/sh.c (hi_const): Remove.
20265         (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
20266         of hi_const.
20267
20268 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
20269
20270         * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
20271         to bool.
20272         * config/sh/sh.c (sh_expand_t_scc): Likewise.
20273         * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
20274         calling sh_expand_t_scc.
20275
20276 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
20277
20278         * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
20279         nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
20280         sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
20281         reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
20282         sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
20283         sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
20284         check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
20285         sh2a_is_function_vector_call): Use bool as return type.
20286         (sh_pass_in_reg_p): Remove.
20287         * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
20288         flow_dependent_p, sh2a_function_vector_p, expand_block_move,
20289         expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
20290         sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
20291         sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
20292         sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
20293         fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
20294         sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
20295         sh_loads_bankedreg_p): Use bool as return type.
20296         (nonpic_symbol_mentioned_p): Use bool as return type.  Remove
20297         'register' modifier.
20298
20299 2012-04-06  Matt Turner  <mattst88@gmail.com>
20300
20301         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
20302
20303 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
20304
20305         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
20306         of the destination isn't also a FP_REGS register.
20307
20308 2012-04-05  Teresa Johnson  <tejohnson@google.com>
20309             H.J. Lu  <hongjiu.lu@intel.com>
20310
20311         * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
20312         * config/i386/i386.md (move immediate to memory peephole2):
20313         Add cases for HImode move when LCP stall avoidance is needed.
20314         * config/i386/i386.c (initial_ix86_tune_features): Initialize
20315         X86_TUNE_LCP_STALL entry.
20316
20317 2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
20318
20319         PR target/52882
20320         * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
20321         CONST_INT operands, zero-extended with AND.
20322
20323 2012-04-05  Oleg Endo  <olegendo@gcc.gnu.org>
20324
20325         PR target/50751
20326         * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
20327         first argument instead of mode size.  Move displacement calculations
20328         to ...
20329         (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
20330         ... these new functions.
20331         (disp_adjust): Remove max_mov_disp field.
20332         (sh_legitimate_index_p): Use max_mov_insn_displacement and
20333         mov_insn_alignment_mask.
20334         (sh_address_cost): Use max_mov_insn_displacement.
20335
20336 2012-04-05  Andrew Stubbs  <ams@codesourcery.com>
20337
20338         * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
20339         (arch_enabled): Handle new arch types.
20340         (one_cmpldi2): Add NEON support.
20341
20342 2012-04-05  Richard Guenther  <rguenther@suse.de>
20343
20344         * gimple.c (walk_gimple_op): Compute val_only for the LHS
20345         of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
20346         (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
20347         * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
20348         ... here and make static.
20349         * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
20350         Remove.
20351
20352 2012-04-05  Richard Guenther  <rguenther@suse.de>
20353
20354         * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
20355         basic-block before removing it.
20356
20357 2012-04-05  Richard Guenther  <rguenther@suse.de>
20358
20359         * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
20360         version namespace as we release the freelist.
20361
20362 2012-04-05  Richard Guenther  <rguenther@suse.de>
20363
20364         * tree-nrv.c (tree_nrv): Release VDEFs.
20365         * tree-sra.c (sra_modify_constructor_assign): Likewise.
20366         (sra_modify_assign): Likewise.
20367         * tree-vect-stmts.c (vect_remove_stores): Likewise.
20368         * tree-vect-loop.c (vect_transform_loop): Likewise.
20369         * tree-ssa-dom.c (optimize_stmt): Likewise.
20370         * tree-vect-slp.c (vect_schedule_slp): Likewise.
20371         * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
20372
20373 2012-04-05  Richard Guenther  <rguenther@suse.de>
20374
20375         * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
20376         cleanup.
20377         * gimple.h (gsi_remove): Adjust.
20378         * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
20379         * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
20380         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
20381         * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
20382         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
20383         * tree-ssa-pre.c (eliminate): Likewise.
20384
20385 2012-04-04  Mike Stump  <mikestump@comcast.net>
20386
20387         * doc/rtl.texi (const_double): Document as sign-extending.
20388         * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
20389         * emit-rtl.c (immed_double_int_const): Refine to state the
20390         value is signed.
20391         * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
20392         CONST_DOUBLE integers.
20393         (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
20394         negative values are converted.  Fix conversions bigger than
20395         HOST_BITS_PER_WIDE_INT.
20396         (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
20397         (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
20398         * explow.c (plus_constant_mode): Add.
20399         (plus_constant): Implement with plus_constant_mode.
20400         * rtl.h (plus_constant_mode): Add.
20401
20402 2012-04-04  Richard Guenther  <rguenther@suse.de>
20403
20404         PR tree-optimization/52808
20405         * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
20406         * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
20407
20408 2012-04-04  Tristan Gingold  <gingold@adacore.com>
20409
20410         * expr.c (expand_expr_real_2): Handle larger sizetype in
20411         POINTER_PLUS_EXPR.
20412
20413 2012-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
20414
20415         * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
20416         to m2a-single instead of m2e.
20417
20418 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
20419
20420         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
20421         Change type of BITOFFSET to signed.  Make sure the lower bound of
20422         the computed range is non-negative by adjusting OFFSET and BITPOS.
20423         (expand_assignment): Adjust call to get_bit_range.
20424
20425 2012-04-03  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
20426
20427         * h8300/h8300.c (h8300_current_function_monitor_function_p):
20428         New function. Added to check monitor functions.
20429         (h8300_option_override): Modified to generate error/warning
20430         messages for invalid combinations of different command line
20431         options.
20432         * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
20433         save EXR on stack for monitor function in case of H8S target
20434         when "-mno-exr" is passed.
20435         * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
20436         Add prototype.
20437         * doc/invoke.texi: Document H8S options.
20438
20439 2012-04-03  Tristan Gingold  <gingold@adacore.com>
20440
20441         * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
20442         of gcc_AC_FUNC_MMAP_BLACKLIST.
20443         * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
20444         * Makefile.in (aclocal_deps): Add mmap.m4.
20445         * configure: Regenerate.
20446         * aclocal.m4: Regenerate.
20447
20448 2012-04-03  Richard Guenther  <rguenther@suse.de>
20449
20450         PR tree-optimization/52808
20451         * tracer.c (tail_duplicate): Return whether we have duplicated
20452         any block.
20453         (tracer): If we have duplicated any block, cleanup the CFG.
20454         * cfghooks.c (duplicate_block): If we duplicated a loop
20455         header but not its loop, destroy the loop because it now has
20456         multiple entries.
20457         * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
20458         the cfg manipulation routines we are not creating a multiple
20459         entry loop.
20460
20461 2012-04-03  Tristan Gingold  <gingold@adacore.com>
20462
20463         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
20464         'byte' alignment.
20465         (vms_c_common_override_options): Allow parameterless variadic
20466         functions.
20467
20468 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
20469
20470         PR tree-optimization/52835
20471         * tree-data-ref.c (build_rdg): Return NULL if
20472         compute_data_dependences_for_loop failed.
20473
20474 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
20475
20476         * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
20477         for REAL_CST as well.
20478         (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
20479         In the bitfield case, if the value is a REAL_CST, convert it first to
20480         an INTEGER_CST.
20481
20482 2012-04-02  H.J. Lu  <hongjiu.lu@intel.com>
20483
20484         * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
20485         for --with-abi={x32|mx32} or --with-multilib-list=mx32.
20486         (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
20487
20488         * config/i386/biarchx32.h: New.
20489
20490 2012-04-02  Anatoly Sokolov  <aesok@post.ru>
20491
20492         * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
20493         * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
20494         (arm_preferred_reload_class): New function.
20495
20496 2012-04-02  Richard Guenther  <rguenther@suse.de>
20497
20498         PR tree-optimization/52756
20499         * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
20500         (thread_through_loop_header): After threading through the loop latch
20501         remove the split part from the loop and clear further threading
20502         opportunities that would create a multiple entry loop.
20503
20504 2012-04-02  Richard Guenther  <rguenther@suse.de>
20505
20506         PR rtl-optimization/52800
20507         * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
20508         CLEANUP_CFG_CHANGED.
20509
20510 2012-04-02  Richard Guenther  <rguenther@suse.de>
20511
20512         PR middle-end/52803
20513         * loop-init.c (gate_handle_loop2): Destroy loops here if
20514         we don't enter RTL loop optimizers.
20515
20516 2012-04-02  Uros Bizjak  <ubizjak@gmail.com>
20517
20518         Partially revert:
20519         2012-03-29  Richard Guenther  <rguenther@suse.de>
20520
20521         * rtl.h (extended_count): Remove.
20522         * combine.c (extended_count): Remove.
20523
20524 2012-04-02  Dodji Seketeli  <dodji@redhat.com>
20525
20526         PR c++/40942
20527         * pt.c (more_specialized_fn):  Don't apply decay conversion to
20528         types of function parameters.
20529
20530 2012-04-02  Tristan Gingold  <gingold@adacore.com>
20531
20532         * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
20533         (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
20534         (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
20535         (ggc_pch_this_base): Use uintptr_t instead of size_t.
20536
20537 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
20538
20539         PR bootstrap/52784
20540         * config/i386/i386.c (ix86_option_override_internal): Don't
20541         check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
20542
20543 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
20544
20545         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
20546         (stmt_can_make_abnormal_goto): Use it.
20547         (is_ctrl_altering_stmt): Likewise.
20548
20549 2012-03-30  Naveen H.S  <naveen.S@kpitcummins.com>
20550             Kaz Kojima  <kkojima@gcc.gnu.org>
20551
20552         * config/sh/sh.c (push_regs): Skip banked registers when
20553         resbank attribute is specified.
20554         (sh_expand_epilogue): Likewise.
20555
20556 2012-03-30  Richard Henderson  <rth@redhat.com>
20557
20558         PR debug/52727
20559         * combine-stack-adj.c (prev_active_insn_bb): New.
20560         (next_active_insn_bb): New.
20561         (force_move_args_size_note): New.
20562         (combine_stack_adjustments_for_block): Use it.
20563
20564 2012-03-30  Richard Henderson  <rth@redhat.com>
20565
20566         * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
20567         (ix86_expand_vector_init_duplicate): Initialize it.
20568         (expand_vec_perm_palignr): Likewise.
20569         (ix86_expand_vec_perm_const): Likewise.
20570         (ix86_vectorize_vec_perm_const_ok): Likewise.
20571         (expand_vec_perm_blend): Use it.
20572         (expand_vec_perm_vpermil): Likewise.
20573         (expand_vec_perm_pshufb): Likewise.
20574         (expand_vec_perm_1): Likewise.
20575         (expand_vec_perm_pshuflw_pshufhw): Likewise.
20576         (expand_vec_perm_interleave2): Likewise.
20577         (expand_vec_perm_vpermq_perm_1): Likewise.
20578         (expand_vec_perm_vperm2f128): Likewise.
20579         (expand_vec_perm_interleave3): Likewise.
20580         (expand_vec_perm_vperm2f128_vblend): Likewise.
20581         (expand_vec_perm_vpshufb2_vpermq): Likewise.
20582         (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
20583         (expand_vec_perm_broadcast): Likewise.
20584         (expand_vec_perm_vpshufb4_vpermq2): Likewise.
20585
20586 2012-03-30  Richard Henderson  <rth@redhat.com>
20587
20588         * dwarf2out.c (gen_variable_die): Initialize off.
20589
20590 2012-03-30  Tristan Gingold  <gingold@adacore.com>
20591
20592         * config/vms/vms-f.c: New file.
20593         * config/vms/t-vms (vms-f.o): New rule.
20594         * config.gcc (*-*-*vms*): Define fortran_target_objs.
20595
20596 2012-03-30  Richard Guenther  <rguenther@suse.de>
20597
20598         PR tree-optimization/52754
20599         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
20600         propagate arbitrary addresses into really plain dereferences.
20601
20602 2012-03-30  Richard Guenther <rguenther@suse.de>
20603
20604         PR middle-end/52772
20605         * except.c (emit_to_new_bb_before): Move loop updating ...
20606         (dw2_build_landing_pads): ... here.  Use a proper block for
20607         querying the loop father.
20608
20609 2012-03-30  Tristan Gingold  <gingold@adacore.com>
20610
20611         * config/ia64/ia64.c (ia64_section_type_flags): Remove
20612         common_object attribute handling.
20613         (SECTION_VMS_OVERLAY): Remove
20614         (ia64_vms_common_object_attribute): Replace abort with an assert.
20615         Do not set DECL_SECTION_NAME.
20616         (ia64_vms_output_aligned_decl_common): Handle common_object
20617         attribute.
20618         (ia64_vms_elf_asm_named_section): Remove.
20619         * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
20620
20621 2012-03-30  Richard Guenther  <rguenther@suse.de>
20622
20623         PR middle-end/52786
20624         * double-int.c (rshift_double): Remove not needed cast.
20625
20626 2012-03-30  Richard Guenther  <rguenther@suse.de>
20627
20628         * tree-affine.h (print_aff): Remove.
20629         * tree-affine.c (print_aff): Make static.
20630         * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
20631         (get_references_in_stmt): Likewise.
20632         (print_direction_vector): Likewise.
20633         (print_dir_vectors): Likewise.
20634         (print_dist_vectors): Likewise.
20635         (dump_subscript): Likewise.
20636         (dump_ddrs): Likewise.
20637         (dump_dist_dir_vectors): Likewise.
20638         (dump_data_references): Likewise.
20639         (dump_data_dependence_relation): Likewise.
20640         (dump_data_dependence_direction): Likewise.
20641         (dump_rdg_vertex): Likewise.
20642         (dump_rdg_component): Likewise.
20643         (debug_ddrs): Declare.
20644         (struct data_ref_loc_d): Move ...
20645         * tree-data-ref.c (struct data_ref_loc_d): ... here.
20646         (get_references_in_stmt): Make static.
20647         (dump_data_references): Likewise.
20648         (dump_subscript): Likewise.
20649         (print_direction_vector): Likewise.
20650         (print_dir_vectors): Likewise.
20651         (print_dist_vectors): Likewise.
20652         (dump_data_dependence_relation): Likewise.
20653         (dump_dist_dir_vectors): Likewise.
20654         (dump_ddrs): Likewise.
20655         (dump_rdg_vertex): Likewise.
20656         (dump_rdg_component): Likewise.
20657         (debug_ddrs): New function.
20658         (access_matrix_get_index_for_parameter): Remove.
20659
20660 2012-03-30  Tristan Gingold  <gingold@adacore.com>
20661
20662         * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
20663         (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
20664         (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
20665         (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
20666         (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
20667         (vms_patch_builtins): Handle new flags
20668         * config/vms/vms-crtlmap.map: Completed using nm on
20669         c and math system libraries.
20670         * config/vms/make-crtlmap.awk: Handle any number of flags.
20671
20672 2012-03-30  Martin Jambor  <mjambor@suse.cz>
20673
20674         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
20675         is a builtin_stack_save in a dominating BB.
20676
20677 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
20678
20679         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
20680         crossing 128bit lane boundary.
20681
20682 2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
20683
20684         * ira-color.c (setup_left_conflict_sizes_p): Process all
20685         conflicting objects.
20686
20687 2012-03-29  Jakub Jelinek  <jakub@redhat.com>
20688
20689         PR tree-optimization/52760
20690         * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
20691         shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
20692
20693 2012-03-29  Richard Guenther  <rguenther@suse.de>
20694
20695         * cgraph.h (cgraph_materialize_all_clones): Remove.
20696         (reset_inline_failed): Likewise.
20697         * cgraphunit.c (cgraph_materialize_all_clones): Make static.
20698         * cgraphbuild.c (reset_inline_failed): Remove.
20699         * rtl.h (cse_main): Remove.
20700         (extended_count): Likewise.
20701         * cse.c (dump_class): Mark as DEBUG_FUNCTION.
20702         (cse_main): Make static.
20703         * combine.c (extended_count): Remove.
20704         (dump_combine_stats): Mark as DEBUG_FUNCTION.
20705         * basic-block.h (reorder_basic_blocks): Remove.
20706         * bb-reorder.c (reorder_basic_blocks): Make static.
20707         * Makefile.in (dse.o): Remove dse.h dependency.
20708         * dse.h: Remove.
20709         * dse.c (gate_dse): Remove.
20710         (clear_alias_mode_eq): Likewise.
20711         (clear_alias_mode_hash): Likewise.
20712         (dse_record_singleton_alias_set): Likewise.
20713         (dse_invalidate_singleton_alias_set): Likewise.
20714
20715 2012-03-29  H.J. Lu  <hongjiu.lu@intel.com>
20716
20717         * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
20718         crtbegin_so%O%s for -shared.
20719         (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
20720
20721 2012-03-29  Richard Guenther  <rguenther@suse.de>
20722
20723         * tree-flow.h (struct pre_expr_d): Remove forward declaration.
20724         (add_to_value): Remove.
20725         (print_value_expressions): Likewise.
20726         * tree-ssa-pre.c (add_to_value): Make static.
20727         (print_value_expressions): Likewise.
20728         * gimple.h (gimple_adjust_this_by_delta): Remove.
20729         * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
20730
20731 2012-03-29  Richard Guenther  <rguenther@suse.de>
20732
20733         PR middle-end/50708
20734         * double-int.h (rshift_double): Remove.
20735         * double-int.c (lshift_double): Use absu_hwi to make count positive.
20736         (rshift_double): Make static, take unsigned count argument,
20737         remove handling of negative count argument.
20738         (double_int_rshift): Dispatch to lshift_double.
20739
20740 2012-03-28  H.J. Lu  <hongjiu.lu@intel.com>
20741
20742         * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
20743         OPTION_MASK_ABI_64.
20744
20745         * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
20746         (SPEC_X32): Likewise.
20747         (MULTILIB_DEFAULTS): Likewise.
20748
20749         * config/i386/i386.c (isa_opts): Remove -m64.
20750         (ix86_target_string): Properly handle -m32/-m64/-mx32.
20751         (ix86_option_override_internal): Properly
20752         set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
20753         handle -m32, -m64 and -mx32.
20754
20755         * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
20756         with OPTION_ABI_X32.  Moved after TARGET_LP64.
20757         (TARGET_LP64): Changed to OPTION_ABI_64.
20758
20759         * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
20760         (mx32): Replace ISA_X32 with ABI_X32.
20761
20762 2012-03-28  Eric Botcazou  <ebotcazou@adacore.com>
20763
20764         * tree.c (tree_size) <VECTOR_CST>: New case.
20765
20766 2012-03-28  Uros Bizjak  <ubizjak@gmail.com>
20767
20768         * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
20769         (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
20770
20771 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
20772
20773         PR middle-end/52691
20774         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
20775         __builtin_va_start to __builtin_next_arg if the latter is
20776         builtin_decl_explicit_p rather than when it is not.
20777
20778         PR middle-end/52750
20779         * tree-vect-generic.c (vector_element): Perform multiplication
20780         for pos in bitsizetype type instead of idx type.
20781
20782 2012-03-28  Richard Guenther  <rguenther@suse.de>
20783
20784         * loop-init.c (loop_optimizer_init): If loops are preserved
20785         perform incremental initialization of required loop features.
20786         (loop_optimizer_finalize): If loops are to be preserved only
20787         clean up optional loop features.
20788         (rtl_loop_done): Forcefully free loops here.
20789         * cgraph.c (cgraph_release_function_body): Forcefully free loops.
20790         * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
20791         to existing loops.
20792         (construct_init_block): Likewise.
20793         (construct_exit_block): Likewise.
20794         (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state.  Cleanup
20795         the CFG after expanding.
20796         * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
20797         If we needed to calculate them, free them afterwards.
20798         * tree-pass.h (PROP_loops): New define.
20799         * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
20800         * basic-block.h (CLEANUP_CFG_CHANGED): New.
20801         * cfgcleanup.c (merge_blocks_move): Protect loop latches.
20802         (cleanup_cfg): If we did something and have loops around, fix them up.
20803         * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
20804         with CLEANUP_CFG_CHANGED.
20805         * cfghooks.c (merge_blocks): If we merge a loop header into
20806         its predecessor, update the loop structure.
20807         (duplicate_block): If we copy a loop latch, adjust loop state
20808         to note we may have multiple latches.
20809         (delete_basic_block): Mark loops for fixup if we remove a loop.
20810         * cfganal.c (forwarder_block_p): Protect loop latches, headers
20811         and preheaders.
20812         * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
20813         (cfg_layout_can_merge_blocks_p): Likewise.
20814         * cprop.c (bypass_block): If we create a loop with multiple
20815         entries, mark it for removal.
20816         * except.c (emit_to_new_bb_before): Add the new basic-block
20817         to existing loops.
20818         * tree-eh.c (lower_resx): Likewise.
20819         * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
20820         (expand_omp_taskreg): Likewise.
20821         * tree-inline.c (initialize_cfun): Likewise.
20822         * tree-mudflap.c (add_bb_to_loop): Prototype.
20823         (mf_build_check_statement_for): Properly add new basic-blocks
20824         to existing loops.
20825         * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
20826         if we remove a loop.
20827         (thread_through_loop_header): Likewise.
20828         * trans-mem.c (tm_log_emit_save_or_restores): Properly add
20829         new basic-blocks to existing loops.
20830         (expand_transaction): Likewise.
20831         * Makefile.in (except.o): Add $(CFGLOOP_H).
20832         (expr.o): Likewise.
20833         (cgraph.o): Likewise.
20834         (cprop.o): Likewise.
20835         (cfgexpand.o): Likewise.
20836         (cfganal.o): Likewise.
20837         (trans-mem.o): Likewise.
20838         (tree-eh.o): Likewise.
20839
20840 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
20841
20842         PR target/52692
20843         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
20844         (avr_builtin_decl): New static function.
20845         (struct avr_builtin_description, avr_bdesc): Move up.
20846         Add GTY marker. Add field fndecl. Remove redundant field id.
20847         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
20848         (avr_expand_builtin): Code cleanup because .id is removed.
20849
20850 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
20851
20852         PR target/52737
20853         * config.gcc (tm_file): Remove avr/multilib.h.
20854
20855         * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
20856
20857         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
20858         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
20859         * config/avr/t-avr: Remove generation of multilib.h.
20860         * config/avr/t-multilib: Regenerate.
20861         * config/avr/multilib.h: Remove.
20862         * config/avr/avr.opt (-msp8): New option.
20863         (avr_sp8): New variable.
20864         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
20865         * config/avr/avr.h (AVR_HAVE_SPH): New define.
20866         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
20867         (avr_device_to_sp8): New prototype.
20868         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
20869         (DRIVER_SELF_SPECS): New define.
20870         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
20871         __AVR_SP8__, __AVR_HAVE_SPH__.
20872         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
20873         AVR_HAVE_8BIT_SP to decide if SP_H is present.
20874         (avr_file_start): Ditto.
20875
20876 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
20877
20878         PR target/52736
20879         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
20880         instead of 8 in adjust_address.
20881
20882 2012-03-27  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
20883
20884         PR middle-end/51893
20885         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
20886         targets.
20887
20888 2012-03-27  Oleg Endo  <olegendo@gcc.gnu.org>
20889
20890         PR target/50751
20891         * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
20892         Rearrange conditional logic.  Move displacement address calculations
20893         to ...
20894         (sh_find_mov_disp_adjust): ... this new function.
20895
20896 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
20897
20898         * config/arm/arm.opt (mapcs): Remove MaskExists.
20899         * config/cris/linux.opt (mno-gotplt): Likewise.
20900         * config/i386/i386.opt (mhard-float): Likewise.
20901         (msse4): Likewise.
20902         (mno-sse4): Likewise.
20903         * config/m68k/m68k.opt (mhard-float): Likewise.
20904         * config/mep/mep.op (mcop32): Likewise.
20905         * config/pa/pa-hpux.opt (msio): Likewise.
20906         * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
20907         * config/picochip/picochip.opt (mlittle): Likewise.
20908         * config/sh/sh.opt (mrenesas): Likewise.
20909         * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
20910         * config/sparc/sparc.opt (mhard-float): Likewise.
20911         * config/v850/v850.opt (mv850es): Likewise.
20912         * config/vax/vax.opt (mg-float): Likewise.
20913
20914 2012-03-27  Martin Jambor  <mjambor@suse.cz>
20915
20916         PR middle-end/52693
20917         * tree-sra.c (sra_modify_assign): Do not call
20918         load_assign_lhs_subreplacements when working with an unscalarizable
20919         region.
20920
20921 2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
20922
20923         PR target/52698
20924         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
20925         New prototype.
20926         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
20927         * config/i386/i386.c: Include reload.h.
20928         (ix86_legitimize_reload_address): New function.
20929
20930 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
20931
20932         * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
20933         hasn't been allocated.  Define a target macro for Mask and
20934         InverseMask if it hasn't been defined.  Remove MaskExists handling.
20935
20936         * doc/options.texi: Remove MaskExists.
20937
20938 2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
20939
20940         PR target/52667
20941         * config/sh/sh.c (find_barrier): Add equality check of last_got
20942         to avoid going above orig insn. Update comments.
20943
20944 2012-03-27  Richard Guenther  <rguenther@suse.de>
20945
20946         PR middle-end/52720
20947         * fold-const.c (try_move_mult_to_index): Handle &x.array more
20948         explicitely.
20949
20950 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
20951
20952         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
20953         of a unit before computing the offset in units.
20954         * expr.c (get_bit_range): Return the null range if the enclosing record
20955         is part of a larger bit field.
20956
20957 2012-03-27  Tristan Gingold  <gingold@adacore.com>
20958
20959         * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
20960         * config/ia64/ia64.md: Remove mode in template.
20961         Sign extend operand in expand_simple_binop.
20962         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
20963         CASE_VECTOR_MODE instead of TARGET_ILP32.
20964         (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
20965
20966 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
20967
20968         * varasm.c (assemble_external): #if 0 out the new assert from the
20969         previous commit, it breaks the Java and Go front ends.
20970
20971 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
20972
20973         * toplev.c (check_global_declaration_1): Do not call assemble_external.
20974         * expr.c (emit_block_move_libcall_fn): Likewise.
20975         (clear_storage_libcall_fn): Likewise.
20976         (expand_expr_addr_expr_1): Likewise.
20977         (expand_expr_real_1): Likewise.
20978         * calls.c (rtx_for_function_call): Likewise.
20979
20980         * varasm.c (assemble_external): Assert this function is only called
20981         during or after expanding to RTL.
20982
20983 2012-03-26  Martin Jambor  <mjambor@suse.cz>
20984
20985         PR tree-optimization/50052
20986         * tree-sra.c (tree_non_aligned_mem_p): Removed.
20987         (tree_non_aligned_mem_for_access_p): Likewise.
20988         (build_accesses_from_assign): Removed strict alignment requirements
20989         checks.
20990         (access_precludes_ipa_sra_p): Likewise.
20991
20992 2012-03-26  Richard Guenther  <rguenther@suse.de>
20993
20994         PR tree-optimization/52701
20995         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
20996         compute and set the evolution part of PHI nodes.
20997
20998 2012-03-26  Richard Guenther  <rguenther@suse.de>
20999
21000         PR tree-optimization/52721
21001         * tree-vect-stmts.c (vect_init_vector): Handle scalars.
21002
21003 2012-03-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
21004
21005         PR tree-optimization/52686
21006         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
21007         WIDEN_LSHIFT_EXPR.
21008
21009 2012-03-26  Tristan Gingold  <gingold@adacore.com>
21010
21011         * config/alpha/vms.h (LINK_SPEC): Simplify.
21012         (STARTFILE_SPEC): Remove -mvms-return-codes handling.
21013         (NAME__MAIN, SYMBOL__MAIN): Remove.
21014         (VMS_DEBUG_MAIN_POINTER): Remove.
21015         * config/ia64/vms.h: Likewise.
21016         * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
21017         code to vms.c.  Call vms_start_function.
21018         * config/ia64/ia64.c (ia64_start_function): Likewise.
21019         * config/vms/vms-protos.h (vms_start_function): Declare.
21020         * config/vms/vms.c (vms_start_function): New function.
21021         * config/vms/vms.h (MATH_LIBRARY): Define.
21022         (VMS_DEBUG_MAIN_POINTER): Define.
21023
21024 2012-03-26  Eric Botcazou  <ebotcazou@adacore.com>
21025
21026         PR rtl-optimization/52629
21027         * reload1.c (count_pseudo): Short-circuit common case.
21028         (count_spilled_pseudo): Return early for pseudos without hard regs.
21029         Assert that the pseudo has got a hard reg before manipulating it.
21030
21031 2012-03-24  Jan Hubicka  <jh@suse.cz>
21032
21033         PR lto/51663
21034         * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
21035         (decide_is_variable_needed): Do not handle toplevel reorder here.
21036         * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
21037         * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
21038         even at -O0.
21039
21040 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
21041
21042         * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
21043         and str_bitsize instead of more convoluted expressions.
21044
21045 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
21046
21047         PR target/52610
21048         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
21049
21050 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
21051
21052         PR target/52656
21053         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
21054
21055 2012-03-23  Martin Jambor  <mjambor@suse.cz>
21056
21057         * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
21058
21059 2012-03-23  Richard Guenther  <rguenther@suse.de>
21060
21061         PR tree-optimization/52678
21062         * tree-vectorizer.h (struct _stmt_vec_info): Add
21063         loop_phi_evolution_part member.
21064         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
21065         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
21066         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
21067         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
21068         Use the cached evolution part and the PHI nodes value from
21069         the loop preheader edge instead of re-analyzing the evolution.
21070
21071 2012-03-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
21072
21073         * config/mips/mips-tables.opt: Update.
21074         * config/mips/mips.md (processor): Add xlp.
21075         * config/mips/mips-cpus.def: Add xlp.
21076         * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
21077         5KF for now.
21078         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
21079         * doc/invoke.texi: Mention XLP.
21080
21081 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
21082
21083         PR middle-end/52547
21084         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
21085         on any new_local_var_chain vars declared during recursing on
21086         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
21087
21088 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
21089
21090         * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
21091         (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
21092         (ASM_OUTPUT_LOCAL): Ditto.
21093         (ASM_OUTPUT_COMMON): Remove.
21094         * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
21095         * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
21096
21097 2012-03-22  Jan Hubicka  <jh@suse.cz>
21098
21099         PR middle-end/51737
21100         * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
21101         parameter.
21102         * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
21103         * ipa-inline-transform.c (save_inline_function_body): Remove
21104         copied clone if needed.
21105         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
21106
21107 2012-03-22  Richard Guenther  <rguenther@suse.de>
21108
21109         PR middle-end/52666
21110         * fold-const.c (fold_ternary_loc): Fix typo.
21111
21112 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
21113
21114         PR target/52496
21115         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
21116         (unspecv): Add UNSPECV_MEMORY_BARRIER.
21117         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
21118         (delay_cycles_1, delay_cycles_2): Ditto.
21119         (delay_cycles_3, delay_cycles_4): Ditto.
21120         (nopv, *nopv): Ditto.
21121         (sleep, *sleep): Ditto.
21122         (wdr, *wdr): Ditto.
21123
21124 2012-03-22  Richard Guenther  <rguenther@suse.de>
21125
21126         PR tree-optimization/52548
21127         * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
21128         because of clobbers.
21129         (prune_clobbered_mems): New function.
21130         (compute_antic_aux): Use it to prune ANTIC_OUT.
21131         (compute_partial_antic_aux): Use it to prune PA_IN.
21132         (compute_avail): Only insert expressions into EXP_GEN that are not
21133         invalidated when translated up to the beginning of the block.
21134
21135 2012-03-22  Richard Guenther  <rguenther@suse.de>
21136
21137         PR tree-optimization/52638
21138         * tree-vect-stmts.c (vect_init_vector_1): New function, split
21139         out from ...
21140         (vect_init_vector): ... here.  Handle scalar vector inits.
21141         (vect_get_vec_def_for_operand): Adjust.
21142         (vectorizable_load): Likewise.
21143
21144 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
21145
21146         * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
21147         (alpha*-*-freebsd*): Ditto.
21148         (alpha*-*-netbsd*): Ditto.
21149         (alpha*-*-openbsd*): Ditto.
21150         * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
21151         (DWARF2_DEBUGGING_INFO): Remove.
21152         (PREFERRED_DEBUGGING_TYPE): Remove.
21153         (ASM_FINAL_SPEC): Remove.
21154         (IDENT_ASM_OP): Remove.
21155         (ASM_OUTPUT_IDENT): Remove.
21156         (SKIP_ASM_OP): Remove.
21157         (ASM_OUTPUT_SKIP): Remove.
21158         (ALIGN_ASM_OP): Remove.
21159         (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
21160         (ASM_OUTPUT_CASE_LABEL): Remove.
21161         (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
21162         (COMMON_ASM_OP): Remove.
21163         (ASM_OUTPUT_ALIGNED_COMMON): Remove.
21164         (ASCII_DATA_ASM_OP): Remove.
21165         (READONLY_DATA_SECTION_ASM_OP): Remove.
21166         (INIT_SECTION_ASM_OP): Remove.
21167         (FINI_SECTION_ASM_OP): Remove.
21168         (ASM_SECTION_START_OP): Remove.
21169         (ASM_OUTPUT_SECTION_START_FILE): Remove.
21170         (TARGET_ASM_NAMED_SECTION): Remove.
21171         (TARGET_ASM_SELECT_SECTION): Remove.
21172         (MAKE_DECL_ONE_ONLY): Remove.
21173         (TYPE_ASM_OP): Remove.
21174         (SIZE_ASM_OP): Remove.
21175         (ASM_WEAKEN_LABEL): Remove.
21176         (TYPE_OPERAND_FMT): Remove.
21177         (ASM_DECLARE_RESULT): Remove.
21178         (ASM_DECLARE_OBJECT_NAME): Remove.
21179         (ASM_FINISH_DECLARE_OBJECT): Remove.
21180         (ELF_ASCII_ESCAPES): Remove.
21181         (ELF_STRING_LIMIT): Remove.
21182         (STRING_ASM_OP): Remove.
21183         (ASM_OUTPUT_EXTERNAL): Remove.
21184         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
21185         * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
21186         before define.
21187         (ASM_DECLARE_FUNCTION_NAME): Ditto.
21188         (ASM_DECLARE_FUNCTION_SIZE): Ditto.
21189         (ASM_GENERATE_INTERNAL_LABEL): Ditto.
21190         (ASM_OUTPUT_SKIP): Ditto.
21191         (READONLY_DATA_SECTION_ASM_OP): Remove.
21192         (USER_LABEL_PREFIX): Remove.
21193         (ASM_OUTPUT_ASCII): Remove.
21194         (ASM_OUTPUT_CASE_LABEL): Remove.
21195         (NO_DOLLAR_IN_LABEL): Undefine.
21196
21197 2012-03-22  Richard Guenther  <rguenther@suse.de>
21198
21199         PR tree-optimization/52459
21200         * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
21201         PHI insertion for calls.
21202
21203 2012-03-21  Steven Bosscher  <steven@gcc.gnu.org>
21204
21205         * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
21206         find_sets_in_insn, canonicalize_insn): Split out from ...
21207         (cse_insn): ... here.
21208         (invalidate_from_clobbers): Take an insn instead of the pattern.
21209
21210 2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
21211
21212         PR target/52479
21213         * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
21214         * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
21215         * config/sh/sh.md (sindf2, cosdf2): Remove.
21216
21217 2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
21218
21219         PR target/52642
21220         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
21221         prologue for unwinder and profiler.
21222
21223 2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
21224
21225         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
21226         Introduce emul_name to select the right linker emulation for
21227         powerpc64-*-freebsd*.
21228         * configure: Regenerate.
21229         * config.gcc: Add bits to support powerpc64-*-freebsd*.
21230         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
21231         * config/rs6000/freebsd64.h: New file.
21232         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
21233         POWERPC_FREEBSD.
21234         (rs6000_savres_strategy): Likewise.
21235         (rs6000_savres_routine_name): Likewise.
21236         (rs6000_elf_file_end): Likewise.
21237         * config/rs6000/t-freebsd64: New file.
21238         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
21239         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
21240
21241         * config/rs6000/freebsd64.h: Remove duplicated entries from last
21242         commit.
21243         * config/rs6000/t-freebsd64: Likewise.
21244
21245 2012-03-21  Georg-Johann Lay  <avr@gjlay.de>
21246
21247         PR rtl-optimization/52543
21248         PR target/52461
21249         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
21250         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
21251         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
21252         (avr_load_libgcc_p): Restrict to __flash loads.
21253         (avr_out_lpm): Only handle 1-byte loads from __flash.
21254         (avr_load_lpm): New function.
21255         (avr_find_unused_d_reg): Remove.
21256         (avr_out_lpm_no_lpmx): Remove.
21257         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
21258         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
21259         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
21260         (load_<mode>, load_<mode>_clobber): New insns.
21261         (mov<mode>): For multi-byte move from non-generic
21262         16-bit address spaces: Expand to load_<mode> resp.
21263         load_<mode>_clobber.
21264         (load<mode>_libgcc): Remove expander.
21265         (split-lpmx): Remove split.
21266
21267 2012-03-21  Richard Earnshaw  <rearnsha@arm.com>
21268
21269         * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
21270         * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
21271         All callers changed.
21272         (Fixed_core_reg): New feature.
21273         (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg.  Allow fmrrd in
21274         disassembly.
21275         * neon-testgen.ml: Handle Fixed_core_reg.
21276
21277 2012-03-21  Andrew Stubbs  <ams@codesourcery.com>
21278
21279         * config/arm/arm.c (thumb2_reorg): Add complete support
21280         for 16-bit instructions.
21281         * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
21282
21283 2012-03-21  Richard Guenther  <rguenther@suse.de>
21284
21285         PR tree-optimizer/52636
21286         * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
21287         to the appropriate type.
21288
21289 2012-03-21  Richard Guenther  <rguenther@suse.de>
21290
21291         * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
21292         dependencies.
21293         * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
21294         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
21295         * passes.c (init_optimization_passes): Remove pass_init_function,
21296         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
21297         * tree-pass.h (pass_init_function): Remove.
21298         (pass_jump): Remove.
21299         (pass_initial_value_sets): Remove.
21300         (pass_unshare_all_rtl): Remove.
21301         * integrate.c (pass_initial_value_sets): Remove.
21302         * emit-rtl.c (pass_unshare_all_rtl): Remove.
21303         * tree.h (init_function_for_compilation): Remove.
21304         * function.c (init_function_for_compilation): Remove.
21305         (pass_init_function): Remove.
21306         * cfgcleanup.c (rest_of_handle_jump): Remove.
21307         (pass_jump): Remove.
21308
21309 2012-03-20  Jason Merrill  <jason@redhat.com>
21310
21311         * tree-streamer-in.c (streamer_alloc_tree): Call
21312         ggc_alloc_zone_cleared_tree_node instead of
21313         ggc_alloc_zone_cleared_tree_node_stat.
21314
21315 2012-03-20  Jonathan Wakely  <jwakely.gcc@gmail.com>
21316
21317         * doc/extend.texi (Template Instantiation): Remove anachronisms.
21318
21319 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
21320
21321         PR target/52607
21322         * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
21323         (ix86_expand_vec_perm_const_1): Call it.
21324
21325         * config/i386/i386.c (vselect_insn): New variable.
21326         (init_vselect_insn): New function.
21327         (expand_vselect, expand_vselect_insn): Add testing_p argument.
21328         Call init_vselect_insn if vselect_insn is NULL.  Adjust
21329         PATTERN (vselect_insn), instead of creating a new insn each time,
21330         only emit a copy of it if not testing and recog has been successful.
21331         (expand_vec_perm_pshufb, expand_vec_perm_1,
21332         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
21333         callers.
21334
21335         PR target/52607
21336         * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
21337         ("enabled" attribute): Handle avx2 and noavx2 isas.
21338         * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
21339         New insns.
21340         (vec_dup<mode>): Add avx2 =x,x alternative.
21341         (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
21342         (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
21343         For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
21344         * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
21345         for V8SFmode.
21346         (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
21347         if possible, handle also V8SFmode.
21348
21349 2012-03-20  Richard Earnshaw  <rearnsha@arm.com>
21350
21351         * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
21352         * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
21353         reg_or_zero_operand predicate.
21354         (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
21355
21356 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
21357
21358         * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
21359         If operand isn't UNSPEC, return 0.
21360
21361 2012-03-20  Richard Guenther  <rguenther@suse.de>
21362
21363         * tree-pass.h (pass_rtl_eh): Remove.
21364         * except.c (gate_handle_eh): Likewise.
21365         (rest_of_handle_eh): Likewise.
21366         (pass_rtl_eh): Likewise.
21367         (finish_eh_generation): Export.
21368         * except.h (finish_eh_generation): Declare.
21369         * passes.c (init_optimization_passes): Remove pass_rtl_eh.
21370         * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
21371         after expanding stack alignment.  Instead of compacting blocks
21372         call cleanup_cfg.
21373
21374 2012-03-20  Richard Guenther  <rguenther@suse.de>
21375
21376         * stor-layout.c (finish_bitfield_representative): Fallback
21377         to conservative maximum size if the padding up to the next
21378         field cannot be computed as a constant.
21379         (finish_bitfield_layout): If we cannot compute the distance
21380         between the start of the bitfield representative and the
21381         bitfield member start a new representative.
21382         * expr.c (get_bit_range): The distance between the start of
21383         the bitfield representative and the bitfield member is zero
21384         if the field offsets are not constants.
21385
21386 2012-03-20  Tristan Gingold  <gingold@adacore.com>
21387
21388         * tree.h (enum size_type_kind): Add stk_ prefix to constants,
21389         convert in lowercase.
21390         (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
21391         (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
21392         * stor-layout.c (sizetype_tab): Adjust.
21393         (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
21394         * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
21395         instead of type_kind_last.
21396         * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
21397         instead of size_int_kind.
21398         * doc/tm.texi.in (Type Layout): Document SIZETYPE.
21399         * doc/tm.texi: Regenerate.
21400         * defaults.h (SIZETYPE): Provide a default value.
21401         * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
21402         (SIZETYPE): Define.
21403
21404 2012-03-20  Oleg Endo  <olegendo@gcc.gnu.org>
21405
21406         * config/sh/sh.md: Use braced string notation where applicable.
21407
21408 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
21409
21410         * config/i386/i386.md (allocate_stack): Simplify.
21411
21412 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
21413
21414         * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
21415         copy_to_mode_reg (Pmode, ...).
21416         (expand_builtin_frame_address): Ditto.
21417         * expr.c (emit_block_move_via_libcall): Ditto.
21418         (set_storage_via_libcall): Ditto.
21419
21420         * config/i386/i386.c (ix86_expand_movmem): Ditto.
21421         (ix86_expand_setmem): Ditto.
21422         (ix86_trampoline_init): DItto.
21423         * config/i386/i386.md (cmpstrnsi): Ditto.
21424
21425 2012-03-19  Sandra Loosemore  <sandra@codesourcery.com>
21426
21427         * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
21428         * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
21429         * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
21430         (SH Options): Likewise.
21431
21432 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
21433
21434         * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
21435         Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
21436         (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
21437         DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
21438         (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
21439
21440         Revert:
21441         2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
21442
21443         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
21444         * config/i386/i386.c (ix86_decompose_address): Use
21445         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
21446         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
21447         thread pointer to a register.
21448
21449         Revert:
21450         2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
21451
21452         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
21453         if Pmode != word_mode.
21454         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
21455         Pmode == SImode for TARGET_X32.
21456
21457         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
21458         (tls_initial_exec_x32): Likewise.
21459
21460 2012-03-19  Oleg Endo  <olegendo@gcc.gnu.org>
21461
21462         PR target/50751
21463         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
21464         DISP_ADDR_OFFSET): New macros.
21465         * config/sh/sh.c (sh_address_cost): Add SH2A special case.
21466         (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
21467         (sh_legitimize_address): Add QImode displacement handling.
21468         (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
21469         vector subregs.
21470         (sh_secondary_reload): Add QImode displacement handling.
21471         * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
21472         * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
21473         * config/sh/sh.md (extendqisi2): Remove constraints from expander.
21474         (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
21475         to register operands only.
21476         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
21477         (extendqihi2): Change insn to expander.
21478         (*extendqihi2_compact_reg): New insn.
21479         (movqi_i, movqi): Replace with ...
21480         (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
21481         *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
21482         Add new peepholes for QImode displacement addressing.
21483
21484 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
21485
21486         PR c++/14710
21487         * doc/invoke.texi: Document -Wuseless-cast.
21488
21489 2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>
21490
21491         * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
21492         * tree.h (handled_component_p): Reorder cases.
21493         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
21494         not initialize unsignedp.
21495         (loc_list_from_tree): Likewise.
21496         (fortran_common): Likewise.
21497         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
21498
21499 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
21500
21501         * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
21502         mode consistently.  Use ix86_gen_add3.  Assert that Pmode == DImode.
21503         (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
21504         (ix86_split_long_move): Ditto.
21505         (legitimize_tls_address): Use ix86_gen_sub3.
21506         (construct_plt_address): Assert that Pmode == DImode.
21507
21508 2012-03-18  Uros Bizjak  <ubizjak@gmail.com>
21509
21510         * config/i386/i386.md: Remove empty predicates and/or constraints.
21511         * config/i386/sync.md: Ditto.
21512         * config/i386/sse.md: Ditto.
21513         * config/i386/mmx.md: Ditto.
21514         * config/i386/pentium.md: Ditto.
21515         * config/i386/athlon.md: Ditto.
21516
21517 2012-03-16  Richard Guenther  <rguenther@suse.de>
21518
21519         PR tree-optimization/52603
21520         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
21521         comment.
21522
21523         Revert
21524         2012-03-14  Richard Guenther  <rguenther@suse.de>
21525
21526         PR tree-optimization/52571
21527         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
21528         flag_section_anchors check ...
21529         (vect_can_force_dr_alignment_p): ... here.
21530
21531 2012-03-16  Martin Jambor  <mjambor@suse.cz>
21532
21533         * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
21534         memory through MEM_REFs by calling extract_bit_field.
21535
21536 2012-03-16  Richard Guenther  <rguenther@suse.de>
21537
21538         * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
21539         and REFERENCE_TYPE interpretations.
21540         (can_native_interpret_type_p): New function.
21541         (fold_ternary_loc): Use native encode/interpret to fold
21542         BIT_FIELD_REFs of constants.
21543
21544 2012-03-16  Richard Guenther  <rguenther@suse.de>
21545
21546         PR middle-end/52584
21547         * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
21548         of vector constants and constructors.
21549
21550 2012-03-16  Richard Guenther  <rguenther@suse.de>
21551
21552         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
21553         VIEW_CONVERT_EXPR to convert constants.
21554         (vect_is_simple_use): Treat all constants as vec_constant_def.
21555
21556 2012-03-16  Richard Guenther  <rguenther@suse.de>
21557             Kai Tietz  <ktietz@redhat.com>
21558
21559         PR middle-end/48814
21560         * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
21561         side-effects completely in the pre-queue and use a temporary
21562         for the result.
21563
21564 2012-03-16  Richard Guenther  <rguenther@suse.de>
21565
21566         * stor-layout.c (finish_bitfield_representative): Fall back
21567         to the conservative maximum size if we cannot compute the
21568         size of the tail padding.
21569
21570 2012-03-16  Tristan Gingold  <gingold@adacore.com>
21571
21572         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
21573         __CRTL_VER and __VMS_VER.
21574         * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
21575         and vms_c_get_vms_ver.
21576         * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
21577         functions.
21578         * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
21579         (VMS_DEFAULT_VMS_VER): Define.
21580         * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
21581         (VMS_DEFAULT_VMS_VER): Define.
21582
21583 2012-03-16  Richard Guenther  <rguenther@suse.de>
21584
21585         * tree-vect-loop.c (get_initial_def_for_induction): Use
21586         build_constructor directly.
21587         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
21588         build_vector_from_val.
21589         * tree.c (build_vector_from_val): Avoid creating a constructor
21590         first when we want a constant vector.
21591
21592 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21593
21594         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
21595
21596 2012-03-16  Richard Guenther  <rguenther@suse.de>
21597
21598         * tree.h (TREE_VECTOR_CST_ELTS): Remove.
21599         (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
21600         (struct tree_vector): Remove elements member, add variable size
21601         elts array member.
21602         (build_vector_stat): Declare.
21603         (build_vector): Define in terms of build_vector_stat.
21604         * tree.c (build_vector): Rename to ...
21605         (build_vector_stat): ... this.  Take array of trees as parameter.
21606         (build_vector_from_ctor): Adjust.
21607         (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
21608         initializer_zerop): Adjust.
21609         * cfgexpand.c (expand_debug_expr): Likewise.
21610         * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
21611         const_vector_from_tree): Likewise.
21612         * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
21613         native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
21614         fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
21615         * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
21616         (lto_input_ts_vector_tree_pointers): Adjust.
21617         * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
21618         (write_ts_vector_tree_pointers): Adjust.
21619         * varasm.c (const_hash_1, compare_constant, copy_constant,
21620         output_constant): Adjust.
21621         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
21622         * print-tree.c (print_node): Adjust.
21623         * tree-pretty-print.c (dump_generic_node): Adjust.
21624         * tree-vect-generic.c (uniform_vector_p, vector_element,
21625         lower_vec_perm): Adjust.
21626         * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
21627         * tree-vect-slp.c (vect_get_constant_vectors,
21628         vect_transform_slp_perm_load): Adjust.
21629         * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
21630         * expmed.c (make_tree): Adjust.
21631         * config/i386/i386.c (ix86_expand_builtin): Adjust.
21632         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
21633         and implementation.
21634         (sparc_fold_builtin): Adjust.
21635
21636 2012-03-16  Tristan Gingold  <gingold@adacore.com>
21637
21638         * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
21639         * config/vms/vms-stdint.h: New file.
21640
21641 2012-03-16  Tristan Gingold  <gingold@adacore.com>
21642
21643         * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
21644         (ia64-hp-*vms*): Replaced by ...
21645         (*-*-*vms*): ... This new entry.
21646
21647 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
21648
21649         PR target/52568
21650         * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
21651         (ix86_expand_vec_perm_const_1): Use it.
21652
21653         PR target/52568
21654         * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
21655         (avx2_permv4df): Remove.
21656         (avx2_permv4di): Macroize into...
21657         (avx2_perm<mode>): ... this using VI8F_256 iterator.
21658         (avx2_permv4di_1): Macroize into...
21659         (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
21660
21661 2012-03-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
21662
21663         * combine.c (apply_distributive_law): Do not distribute SUBREG.
21664
21665 2012-03-15  Ira Rosen  <irar@il.ibm.com>
21666             Ulrich Weigand  <ulrich.weigand@linaro.org>
21667
21668         * tree-vect-patterns.c (widened_name_p): Rename to ...
21669         (type_conversion_p): ... this.  Add new argument to determine
21670         if it's a promotion or demotion operation.  Check for
21671         CONVERT_EXPR_CODE_P instead of NOP_EXPR.
21672         (vect_recog_dot_prod_pattern): Call type_conversion_p instead
21673         widened_name_p.
21674         (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
21675         vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
21676         Likewise.
21677         (vect_recog_mixed_size_cond_pattern): Likewise and allow
21678         non-constant then and else clauses.
21679
21680 2012-03-15  Ira Rosen  <irar@il.ibm.com>
21681             Ulrich Weigand  <ulrich.weigand@linaro.org>
21682
21683         * tree-vectorizer.h (vect_pattern_recog): Add new argument.
21684         * tree-vect-loop.c (vect_analyze_loop_2): Update call to
21685         vect_pattern_recog.
21686         * tree-vect-patterns.c (widened_name_p): Pass basic block
21687         info to vect_is_simple_use.
21688         (vect_recog_dot_prod_pattern): Fail for basic blocks.
21689         (vect_recog_widen_sum_pattern): Likewise.
21690         (vect_handle_widen_op_by_const): Support basic blocks.
21691         (vect_operation_fits_smaller_type,
21692         vect_recog_over_widening_pattern): Likewise.
21693         (vect_recog_vector_vector_shift_pattern): Support basic blocks.
21694         Update call to vect_is_simple_use.
21695         (vect_recog_mixed_size_cond_pattern): Support basic blocks.
21696         Add printing.
21697         (check_bool_pattern): Add an argument, update call to
21698         vect_is_simple_use and the recursive calls.
21699         (vect_recog_bool_pattern): Update relevant function calls.
21700         Add printing.
21701         (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
21702         (vect_pattern_recog_1): Check for reduction only in loops.
21703         (vect_pattern_recog): Add new argument.  Support basic blocks.
21704         * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
21705         info to vect_is_simple_use_1.
21706         * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
21707         (vect_slp_analyze_bb_1): Call vect_pattern_recog.
21708
21709 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
21710             Andrew Pinski  <apinski@cavium.com>
21711
21712         PR middle-end/52592
21713         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
21714         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
21715         calls instead of __builtin_ir{int,ound}*.
21716
21717 2012-03-15  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
21718
21719         * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
21720         documentation.
21721
21722 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
21723
21724         * config.gcc (target_type_format_char): New. Document it. Set it for
21725         arm*-*-* .
21726         * configure.ac (gnu_unique_option): Use target_type_format_char
21727         in test.  Comment rationale.
21728         * configure: Regenerate .
21729
21730 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
21731
21732         PR tree-optimization/52267
21733         * tree-vrp.c (masked_increment): New function.
21734         (register_edge_assert_for_2): Derive ASSERT_EXPRs
21735         from (X & CST1) cmp CST2 tests.
21736
21737 2012-03-15  Richard Guenther  <rguenther@suse.de>
21738
21739         PR middle-end/52580
21740         * tree-data-ref.c (subscript_dependence_tester_1): Check
21741         all dimensions for non-conflicting access functions.
21742
21743 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
21744
21745         PR c++/44783
21746         * doc/invoke.texi [C++ Language Options]: Document
21747         -ftemplate-backtrace-limit.
21748
21749 2012-03-15  Tristan Gingold  <gingold@adacore.com>
21750
21751         * c-parser.c (c_parser_parameter_declaration): Handle #pragma
21752         before a parameter.
21753
21754 2012-03-15  Tristan Gingold  <gingold@adacore.com>
21755
21756         * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
21757         use DW_OP_call_frame_cfa.
21758
21759 2012-03-14  H.J. Lu  <hongjiu.lu@intel.com>
21760
21761         PR target/50797
21762         * config/i386/i386-opts.h (pmode): New.
21763
21764         * config/i386/i386.c (ix86_option_override_internal): Properly
21765         check and set ix86_pmode.
21766
21767         * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
21768
21769         * config/i386/i386.opt (maddress-mode=): New.
21770
21771         * doc/invoke.texi: Document -maddress-mode=short|long for x86.
21772
21773 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21774
21775         * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
21776         (dwarf2out_do_cfi_asm): Likewise.
21777         * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
21778         handling.
21779         (add_data_member_location_attribute): Likewise.
21780         (gen_array_type_die): Likewise.
21781         (gen_subprogram_die): Likewise.
21782         (gen_producer_string): Likewise.
21783         * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
21784         Remove MIPS_DEBUGGING_INFO handling.
21785         (sdb_debug_hooks): Likewise.
21786         (sdbout_begin_block): Likewise.
21787         (sdbout_end_block): Likewise.
21788         (sdbout_begin_prologue): Likewise.
21789         (sdbout_start_source_file): Likewise.
21790         (sdbout_end_source_file): Likewise.
21791         (sdbout_init): Likewise.
21792         * system.h (MIPS_DEBUGGING_INFO): Poison.
21793
21794 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21795
21796         * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
21797         (alpha_file_start) [MS_STAMP]: Remove.
21798
21799         * config/alpha/elf.h (TARGET_GAS): Remove.
21800         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
21801         * config/alpha/linux.h (TARGET_DEFAULT): Remove.
21802         * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
21803         * config/alpha/vms.h (TARGET_DEFAULT): Remove.
21804         * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
21805         (alpha*-*-freebsd*): Likewise.
21806         (alpha*-*-netbsd*): Likewise.
21807         (alpha*-*-openbsd*): Likewise.
21808         (alpha*-*-*): Remove target_cpu_default2.
21809         * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
21810         handling.
21811         * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
21812         (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
21813         * config/alpha/alpha.c (print_operand): Always assume
21814         TARGET_AS_SLASH_BEFORE_SUFFIX.
21815         * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
21816         Remove TARGET_AS_CAN_SUBTRACT_LABELS.
21817         ("*builtin_setjmp_receiver_er_1"): Remove.
21818         * config/alpha/alpha.opt (malpha-as): Remove.
21819         (mgas): Ignore.
21820         * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
21821         -malpha-as, -mgas.
21822         Remove DEC Unix reference.
21823
21824         * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
21825         (EXTENDED_COFF): Remove.
21826         * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
21827         (EXTENDED_COFF): Don't undef.
21828         * config/alpha/alpha.c (alpha_file_start): Always assume
21829         OBJECT_FORMAT_ELF.
21830         Don't set targetm.asm_file_start_file_directive.
21831         [!OBJECT_FORMAT_ELF]: Remove.
21832         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
21833
21834         * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
21835         (DBX_DEBUGGING_INFO): Remove.
21836         (MIPS_DEBUGGING_INFO): Remove.
21837         (PREFERRED_DEBUGGING_TYPE): Remove.
21838         (DBX_OUTPUT_SOURCE_LINE): Remove.
21839         (SDB_OUTPUT_SOURCE_LINE): Remove.
21840         (DBX_CONTIN_LENGTH): Remove.
21841         (NO_DBX_FUNCTION_END): Remove.
21842         (ASM_STABS_OP): Remove.
21843         (ASM_STABN_OP): Remove.
21844         (ASM_STABD_OP): Remove.
21845         (SDB_ALLOW_FORWARD_REFERENCES): Remove.
21846         (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
21847         (PUT_SDB_DEF): Remove.
21848         (PUT_SDB_PLAIN_DEF): Remove.
21849         (PUT_SDB_TYPE): Remove.
21850         (sdb_label_count): Remove.
21851         (PUT_SDB_BLOCK_START): Remove.
21852         (PUT_SDB_BLOCK_END): Remove.
21853         (PUT_SDB_FUNCTION_START): Remove.
21854         (PUT_SDB_FUNCTION_END): Remove.
21855         (PUT_SDB_EPILOGUE_END): Remove.
21856         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
21857         (MIPS_DEBUGGING_INFO): Don't undef.
21858         (DBX_DEBUGGING_INFO): Don't undef.
21859         * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
21860         (MIPS_DEBUGGING_INFO): Don't undef.
21861         (DBX_DEBUGGING_INFO): Don't undef.
21862         * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
21863         * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
21864         handling.
21865         (alpha_start_function): Likewise.
21866         (sdb_label_count): Remove.
21867         (alpha_output_filename): Remove DBX_DEBUG handling.
21868         (alpha_file_start): Likewise.
21869
21870 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21871
21872         * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
21873         (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
21874         (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
21875         Solaris 8 support.
21876         * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
21877         (ld_tls_support): Remove Solaris 8 references.
21878         (lwp_dir, lwp_spec): Remove support for alternate thread library.
21879         * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
21880         * configure: Regenerate.
21881         * config.in: Regenerate.
21882
21883         * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
21884         * config/i386/sol2.h: Remove Solaris 8 references.
21885
21886         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
21887         (i?86-*-solaris2.9): ... this.
21888         Remove Solaris 8 references.
21889         (Specific, *-*-solaris2*): Document Solaris 8 removal.
21890         Remove Solaris 8 references.
21891
21892 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21893
21894         * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
21895         (mips-sgi-irix6.5*): Remove.
21896         * config.host (mips-sgi-irix*): Remove.
21897         * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
21898         (set_have_as_tls): Remove *-*-irix6*.
21899         (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
21900         * configure: Regenerate.
21901
21902         * config/mips/iris6.h: Remove.
21903         * config/mips/iris6.opt: Remove.
21904         * config/mips/t-irix6: Remove.
21905
21906         * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
21907         (TARGET_IRIX6): Remove.
21908         (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
21909         Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
21910         * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
21911         handling.
21912         (mips_file_start): Likewise.
21913         * config/mips/mips-protos.h (irix_asm_output_align): Remove.
21914
21915         * config/mips/driver-native.c [__sgi__]: Remove.
21916         (host_detect_local_cpu) [__sgi__]: Remove.
21917
21918         * config/mips/gnu-user.h: Remove iris5.h reference.
21919
21920         * config/mips/mips-modes.def: Remove IRIX 6 reference.
21921         * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
21922         * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
21923         Remove.
21924
21925         * gcc.c (main): Move asm_debug initialization ...
21926         (asm_debug): ... here.
21927
21928         * ginclude/stddef.h (__STDDEF_H__): Don't define.
21929
21930         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
21931         * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
21932         * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
21933         (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
21934         [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
21935         * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
21936         Remove.
21937         * doc/tm.texi: Regenerate.
21938
21939         * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
21940         IRIX 6 reference.
21941         (MIPS Options, -march): Remove IRIX reference.
21942         * doc/install.texi (Binaries, SGI IRIX): Remove.
21943         (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
21944         of section.
21945         * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
21946
21947 2012-03-14  Martin Jambor  <mjambor@suse.cz>
21948
21949         * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
21950         when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
21951         (expand_expr_real_1): Do not handle misalignment if modifier is
21952         EXPAND_WRITE.
21953
21954 2012-03-14  Richard Guenther  <rguenther@suse.de>
21955
21956         PR middle-end/52584
21957         * tree-vect-generic.c (type_for_widest_vector_mode): Take
21958         element type instead of mode, use build_vector_type_for_mode
21959         instead of the langhook, build a vector of proper signedness.
21960         (expand_vector_operations_1): Adjust.
21961
21962 2012-03-14  Richard Guenther  <rguenther@suse.de>
21963
21964         PR middle-end/52582
21965         * gimple-fold.c (canonicalize_constructor_val): Make sure we have
21966         a cgraph node for a FUNCTION_DECL that comes from a constructor.
21967         (gimple_get_virt_method_for_binfo): Likewise.
21968
21969 2012-03-14  Richard Guenther  <rguenther@suse.de>
21970
21971         PR tree-optimization/52571
21972         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
21973         flag_section_anchors check ...
21974         (vect_can_force_dr_alignment_p): ... here.  Do not re-align
21975         DECL_COMMON variables.
21976
21977 2012-03-14  Richard Guenther  <rguenther@suse.de>
21978
21979         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
21980         * stor-layout.c (start_bitfield_representative): New function.
21981         (finish_bitfield_representative): Likewise.
21982         (finish_bitfield_layout): Likewise.
21983         (finish_record_layout): Call finish_bitfield_layout.
21984         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
21985         for QUAL_UNION_TYPE fields.
21986         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
21987         Stream DECL_BIT_FIELD_REPRESENTATIVE.
21988         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
21989
21990         PR middle-end/52080
21991         PR middle-end/52097
21992         PR middle-end/48124
21993         * expr.c (get_bit_range): Unconditionally extract bitrange
21994         from DECL_BIT_FIELD_REPRESENTATIVE.
21995         (expand_assignment): Adjust call to get_bit_range.
21996
21997 2012-03-14  Richard Guenther  <rguenther@suse.de>
21998
21999         PR middle-end/52578
22000         * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
22001         the outermost conversion is a sign-change only.
22002         (fold_binary_loc): Disregard widening and sign-changing
22003         conversions when we determine if two variables are equal
22004         for reassociation.
22005         * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
22006         (T1)x if the outermost conversion is a sign-change only.
22007
22008 2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
22009
22010         Revert:
22011         2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
22012
22013         * config/i386/predicates.md (constant_call_address_operand): Declare
22014         as special predicate.  Update all uses.
22015
22016 2012-03-13  Jakub Jelinek  <jakub@redhat.com>
22017
22018         PR c/52577
22019         * c-parser.c (c_parser_postfix_expression)
22020         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
22021
22022         * config/i386/smmintrin.h: Avoid /* within a comment.
22023         * config/i386/nmmintrin.h: Likewise.
22024
22025 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
22026
22027         * config/i386/i386.md (xbegin): Remove constraint from expander.
22028
22029 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
22030
22031         * config/i386/predicates.md (constant_call_address_operand): Declare
22032         as special predicate.  Update all uses.
22033         * config/i386/i386.md: Remove mode from constant_call_address_operand
22034         predicates.
22035         * config/i386/i386.c (ix86_output_call_insn): Call
22036         constant_call_address_operand with VOIDmode.
22037
22038 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
22039
22040         * config/i386/i386.c (ix86_decompose_address): Handle subregs of
22041         AND zero extended address correctly.
22042
22043 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
22044
22045         * config/i386/predicates.md (tls_symbolic_operand): Declare as
22046         special predicate.
22047         (tls_modbase_operand): Ditto.
22048         * config/i386/i386.md: Remove mode from tls_symbolic_operand and
22049         tls_modbase_operand predicates.
22050
22051 2012-03-13  Martin Jambor  <mjambor@suse.cz>
22052
22053         * expr.c (expand_assignment): Handle misaligned scalar writes to
22054         memory through top-level MEM_REFs by calling store_bit_field.
22055
22056 2012-03-13  Richard Guenther  <rguenther@suse.de>
22057
22058         PR middle-end/52134
22059         * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
22060         if Y is a constant multiple of 1 << CST.
22061
22062 2012-03-13  Georg-Johann Lay  <avr@gjlay.de>
22063
22064         PR target/52488
22065         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
22066         offset (size) to a value the insns can deal with.
22067         (expand_epilogue): Ditto.
22068
22069 2012-03-13  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
22070
22071         * config/arm/neon.ml (ops): Fixup expected instructions for
22072         unsigned vector compares.
22073
22074 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
22075
22076         * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
22077         addresses only when %reg is not in word mode.
22078
22079 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
22080
22081         * config/microblaze/microblaze.md: Fix typo.
22082         * tree-if-conv.c: Likewise.
22083         * tree-vect-patterns.c: Likewise.
22084
22085 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
22086
22087         * config.gcc (extra_passes): Remove.
22088         * configure.ac (extra_passes): Don't substitute.
22089         * configure: Regenerate.
22090         * Makefile.in (EXTRA_PASSES): Remove.
22091         (GCC_PASSES): Remove $(EXTRA_PASSES).
22092         (MOSTLYCLEANFILES): Likewise.
22093         (native): Likewise.
22094         (install-common): Likewise.
22095
22096 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
22097
22098         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
22099         * config/i386/i386.c (ix86_decompose_address): Use
22100         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
22101         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
22102         thread pointer to a register.
22103
22104 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
22105
22106         * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
22107         on tls_symbolic_operand.
22108         (tls_global_dynamic_64_<mode>): Likewise.
22109
22110 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
22111
22112         PR other/52545
22113         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
22114         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
22115
22116 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
22117
22118         PR target/52499
22119         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
22120         type from reg_class_t to enum reg_class.
22121         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
22122
22123 2012-03-12  Andrew Pinski  <apinski@cavium.com>
22124
22125         * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
22126         (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
22127         (value_replacement): Likewise.
22128         (empty_block_p): Check also if the PHIs for the block are empty.
22129
22130 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
22131
22132         PR target/52148
22133         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
22134         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
22135         r184615 from 2012-02-28.
22136
22137 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
22138
22139         * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
22140         (ix86_gen_tls_local_dynamic_base_64): Likewise.
22141         (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
22142         and ix86_gen_tls_local_dynamic_base_64.
22143         (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
22144         ix86_gen_tls_local_dynamic_base_64.
22145
22146         * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
22147         (*tls_global_dynamic_64_<mode>): This.
22148         (tls_global_dynamic_64): Renamed to ...
22149         (tls_global_dynamic_64_<mode>): This.
22150         (*tls_local_dynamic_base_64): Renamed to ...
22151         (*tls_local_dynamic_base_64_<mode>): This.
22152         (tls_local_dynamic_base_64): Renamed to ...
22153         (tls_local_dynamic_base_64_<mode>): This.
22154
22155 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
22156
22157         * config/i386/i386.c (ix86_option_override_internal): Properly
22158         set ix86_gen_leave and ix86_gen_monitor.  Check Pmode == DImode,
22159         instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
22160         ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
22161         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
22162
22163         * config/i386/sse.md (sse3_monitor64): Renamed to ...
22164         (sse3_monitor64_<mode>): This.
22165
22166 2012-03-12  Tristan Gingold  <gingold@adacore.com>
22167
22168         * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
22169         (ia64_function_arg_advance): Ditto.
22170
22171 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
22172
22173         * config.gcc (mips*-*-openbsd*): Remove.
22174         * config/mips/openbsd.h: Remove.
22175         * config/mips/sdb.h: Remove.
22176
22177         * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
22178         * config/mips/mips.c (sdb_label_count): Remove.
22179         (mips_debugger_offset): Remove #if 0 code.
22180         (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
22181         * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
22182
22183 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
22184
22185         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
22186         binutils reference.
22187         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
22188         Update binutils references.
22189         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
22190         Update binutils reference.
22191         Update Sun as/GNU ld caveat.
22192         Document binutils largefile requirement for LTO plugin.
22193         Remove reference to alternate libpthread.
22194
22195 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
22196
22197         * config.gcc (alpha*-dec-osf5.1*): Remove.
22198         * config.host (alpha*-dec-osf*): Remove.
22199         * configure.ac (*-*-osf*): Remove.
22200         (alpha*-dec-osf*): Remove.
22201         * configure: Regenerate.
22202
22203         * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
22204         config/alpha/va_list.h, config/alpha/x-osf: Remove.
22205
22206         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
22207         * config/alpha/alpha.c (struct machine_function): Update comment.
22208         (alpha_start_function): Remove Tru64 UNIX as handling for
22209         max_frame_size.
22210         * config/alpha/alpha.md ("exception_receiver"): Remove
22211         TARGET_LD_BUGGY_LDGP.
22212         ("*exception_receiver_2"): Likewise.
22213         * except.c (finish_eh_generation): Remove Tru64 reference.
22214         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
22215         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
22216         * target.def (handle_pragma_extern_prefix): Remove.
22217
22218         * Makefile.in (mips-tfile.o-warn): Remove.
22219         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
22220         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
22221         * mips-tdump.c, mips-tfile.c: Remove.
22222
22223         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
22224         extern_prefix.
22225         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
22226         (Specific, alpha*-dec-osf5.1): Note removal.
22227         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
22228         Remove.
22229         * doc/tm.texi: Regenerate.
22230         * doc/trouble.texi (Cross-Compiler Problems): Remove.
22231
22232 2012-03-12  Richard Guenther  <rguenther@suse.de>
22233
22234         * config/arm/arm.c (neon_dereference_pointer): Do not call
22235         covert during RTL expansion.
22236
22237 2012-03-12  Tristan Gingold  <gingold@adacore.com>
22238
22239         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
22240         Options.  Mention -mpointer-size.
22241
22242 2012-03-12  Richard Guenther  <rguenther@suse.de>
22243
22244         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
22245         build_nonstandard_integer_type.
22246
22247 2012-03-12  Richard Guenther  <rguenther@suse.de>
22248
22249         * tree.c (signed_or_unsigned_type_for): Use
22250         build_nonstandard_integer_type.
22251         (signed_type_for): Adjust documentation.
22252         (unsigned_type_for): Likewise.
22253         * tree-pretty-print.c (dump_generic_node): Use standard names
22254         for non-standard integer types if available.
22255
22256 2012-03-12  Tristan Gingold  <gingold@adacore.com>
22257
22258         * config/vms/vms.opt: Add vms-opts.h header.
22259         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
22260         target mask.
22261         (-mvms-return-codes): Document.
22262         (-mpointer-size): New option.
22263         (vms_pointer_size): Add enumeration.
22264         * config/vms/vms-opts.h: New file.
22265         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
22266         __INITIAL_POINTER_SIZE.
22267         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
22268         (C_COMMON_OVERRIDE_OPTIONS): Define.
22269         (DWARF2_ADDR_SIZE): Define.
22270         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
22271         * config/vms/vms-protos.h (vms_c_common_override_options):
22272         New prototype.
22273         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
22274         if -mno-pointer-size.
22275         (vms_c_common_override_options): New function.
22276         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
22277         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
22278         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
22279         and flag_vms_pointer_size.
22280         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
22281         * config.gcc (*-*-*vms*): Define xm_file.
22282         (alpha*-dec-*vms*): Do not define xm_file.
22283         (alpha64-dec-*vms*): Remove.
22284         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
22285         and tmake_file.
22286
22287 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
22288
22289         PR tree-optimization/51721
22290         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
22291         if (int) unsvar cmp CST.
22292
22293 2012-03-12  Richard Guenther  <rguenther@suse.de>
22294
22295         * tree-sra.c (create_access_replacement): Only rename the replacement
22296         if we can rewrite it into SSA form.  Properly mark register typed
22297         replacements that we cannot rewrite with TREE_ADDRESSABLE.
22298         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
22299         for aggregate or BLKmode results.
22300
22301 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
22302
22303         PR tree-optimization/52533
22304         * tree-vrp.c (register_edge_assert_for_2): Use double_int
22305         type for mask, only handle shifts by non-zero in-range
22306         shift count, for LE_EXPR and GT_EXPR if new_val is
22307         maximum, don't add the assertion.
22308
22309 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
22310
22311         * doc/invoke.texi: Document -mrtm option.
22312         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
22313         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
22314         (ix86_handle_option): Handle OPT_mrtm.
22315         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
22316         xtestintrin.h.
22317         (x86_64-*-*): Ditto.
22318         * i386-builtin-types.def (INT_FTYPE_VOID): New.
22319         * config/i386/i386-c.c (ix86_target_macros_internal): Define
22320         __RTM__ if needed.
22321         (ix86_target_string): Define -mrtm option.
22322         (PTA_RTM): New.
22323         (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
22324         Handle new option.
22325         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
22326         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
22327         IX86_BUILTIN_XTEST.
22328         (bdesc_special_args): Ditto.
22329         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
22330         (ix86_expand_special_args_builtin): Handle new built-in type.
22331         (ix86_expand_builtin): Handle XABORT instruction.
22332         * config/i386/i386.h (TARGET_RTM): New.
22333         * config/i386/i386.md (UNSPECV_XBEGIN): New.
22334         (UNSPECV_XEND): Ditto.
22335         (UNSPECV_XABORT): Ditto.
22336         (UNSPECV_XTEST): Ditto.
22337         (xbegin): Ditto.
22338         (xbegin_1): Ditto.
22339         (xend): Ditto.
22340         (xabort): Ditto
22341         (xtest): Ditto.
22342         (xtest_1): Ditto.
22343         * config/i386/i386.opt (mrtm): New.
22344         * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
22345         * config/i386/rtmintrin.h: New header.
22346         * config/i386/xtestintrin.h: Ditto.
22347
22348 2012-03-12  Tristan Gingold  <gingold@adacore.com>
22349
22350         * ginclude/stddef.h: Adjust previous patch.
22351         Use __VMS__ instead of VMS.
22352
22353 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
22354
22355         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
22356         Also convert sequences with CC setting arithmetic instruction.
22357
22358 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
22359
22360         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
22361         from C Language Options to Preprocessor Options.
22362         (C Dialect Options): Move -no-integrated-cpp documentation
22363         from here...
22364         (Preprocessor Options): ...to here.  Rewrite the description
22365         so it makes more sense, and remove discussion of merging front ends.
22366
22367 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
22368
22369         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
22370         needed for loop.
22371         (ix86_expand_setmem): Likewise.
22372
22373 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
22374
22375         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
22376         convert_to_mode.
22377
22378 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
22379
22380         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
22381         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
22382
22383 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
22384
22385         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
22386
22387 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
22388
22389         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
22390         TARGET_64BIT.
22391
22392 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
22393             Uros Bizjak  <ubizjak@gmail.com>
22394
22395         * config/i386/predicates.md (call_insn_operand): Allow
22396         constant_call_address_operand in Pmode only.
22397         (sibcall_insn_operand): Ditto.
22398         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
22399         (*call_vzeroupper): Ditto.
22400         (*sibcall): Ditto.
22401         (*sibcall_vzeroupper): Ditto.
22402         (*call_value): Ditto.
22403         (*call_value_vzeroupper): Ditto.
22404         (*sibcall_value): Ditto.
22405         (*sibcall_value_vzeroupper): Ditto.
22406         (*indirect_jump): Ditto.
22407         (*tablejump_1): Ditto.
22408         (indirect_jump): Convert memory address to word mode for TARGET_X32.
22409         (tablejump): Ditto.
22410         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
22411         to word mode.
22412
22413 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
22414
22415         PR target/51244
22416         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
22417         Use movrt_negc instead of negc pattern for non-SH2A.
22418         (*movnegt): Remove.
22419         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
22420
22421 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
22422
22423         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
22424         if Pmode != word_mode.
22425         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
22426         Pmode == SImode for TARGET_X32.
22427
22428         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
22429         (tls_initial_exec_x32): Likewise.
22430
22431 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
22432
22433         PR rtl-optimization/52528
22434         * combine.c (can_combine_p): Add setting of subst_low_luid
22435         before call to expand_field_assignment().
22436
22437 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
22438
22439         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
22440         and related program names.
22441
22442 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
22443
22444         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
22445
22446 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
22447
22448         PR target/52530
22449         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
22450         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
22451         to set code to 'q'.
22452         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
22453         (*movdi_internal_rex64): Use %E operand modifier for lea.
22454         (*movsi_internal): Ditto.
22455         (*lea_1): Ditto.
22456         (*lea<mode>_2): Ditto.
22457         (*lea_{3,4,5,6}_zext): Ditto.
22458         (*tls_global_dynamic_32_gnu): Ditto.
22459         (*tls_global_dynamic_64): Ditto.
22460         (*tls_dynamic_gnu2_lea_32): Ditto.
22461         (*tls_dynamic_gnu2_lea_64): Ditto.
22462         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
22463
22464 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
22465
22466         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
22467         redefine to be NULL if the current bit-size is different from the
22468         configured bit-size.
22469
22470         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
22471         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
22472         set the default tuning.  Add asserts to make sure the cpu and tune
22473         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
22474         test whether the index is set, instead of > 0.
22475         (rs6000_file_start): Do not reset the default cpu if the current
22476         bit-size is different from the configured bit-size.
22477
22478 2012-03-09  Tristan Gingold  <gingold@adacore.com>
22479
22480         * config/vms/vms-crtlmap.map: Add comments.
22481         Add entries needed to build Ada RTS.
22482
22483 2012-03-09  Tristan Gingold  <gingold@adacore.com>
22484
22485         * ginclude/stddef.h: Do not define __size_t on VMS.
22486
22487 2012-03-09  Tristan Gingold  <gingold@adacore.com>
22488
22489         * c-tree.h (c_default_pointer_mode): New variable.
22490         * c-decl.c (c_default_pointer_mode): New variable.
22491         (c_build_pointer_type): New function.
22492         (grokdeclarator): Call c_build_pointer_type instead
22493         of build_pointer_type.
22494
22495         * config/vms/vms-c.c: Include c-tree.h
22496         (saved_pointer_mode): New variable.
22497         (handle_pragma_pointer_size): New function.
22498         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
22499         (vms_c_register_pragma): Register __pointer_size and
22500         __required_pointer_size pragmas.
22501
22502 2012-03-09  Tristan Gingold  <gingold@adacore.com>
22503
22504         * config/vms/vms-c.c (vms_construct_include_filename): New function.
22505         (vms_c_register_includes): Reference it.
22506
22507 2012-03-09  Andrew Pinski  <apinski@cavium.com>
22508
22509         PR middle-end/51988
22510         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
22511         print_generic_expr.
22512         (tree_ssa_phiopt_worker): Go through all the PHIs for
22513         value_replacement instead of just the singleton one.
22514         (value_replacement): Change return type to int.  Return 0 instead of
22515         false.
22516         Allow the middle basic block to contain more than just the defining
22517         statement.
22518         Handle non empty middle basic blocks.
22519         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
22520
22521 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
22522
22523         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
22524         array reference and component reference.
22525         (analyze_scalar_evolution_for_address_of): New.
22526
22527 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
22528
22529         PR target/49862
22530         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
22531         (hwloop_pattern_reg): Fix set but not used warning.
22532         (bfin_reorg_loops): Remove unused parameter.
22533         (bfin_reorg): Update use of bfin_reorg_loops.
22534
22535 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
22536
22537         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
22538         with integer parameters in registers.
22539         (gen_push): Push register in word_mode instead of Pmode.
22540         (ix86_emit_save_regs): Likewise.
22541         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
22542         (gen_pop): Pop register in word_mode instead of Pmode.
22543         (ix86_emit_restore_regs_using_pop): Likewise.
22544         (ix86_expand_prologue): Replace Pmode with word_mode for push
22545         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
22546         restore RAX and R10 in word_mode.
22547         (ix86_emit_restore_regs_using_mov): Restore integer registers
22548         in word_mode.
22549         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
22550         word_mode.
22551         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
22552         (ix86_split_long_move): Likewise.
22553
22554         * config/i386/i386.md (W): New.
22555         (*push<mode>2_prologue): Replace :P with :W.
22556         (*pop<mode>1): Likewise.
22557         (*pop<mode>1_epilogue): Likewise.
22558         (push/pop peephole2): Use word_mode scratch registers.
22559
22560 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
22561
22562         * config/i386/predicates.md (indirect_branch_operand): Simplify.
22563
22564 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
22565
22566         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
22567         for constants in [-63,63].
22568
22569 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
22570
22571         PR target/52530
22572         Revert:
22573         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
22574
22575         * config/i386/i386.c (ix86_print_operand_address): Only handle
22576         zero-extended DImode addresses.
22577
22578 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
22579
22580         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
22581         * configure: Regenerate.
22582
22583 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
22584
22585         PR target/52496
22586         * config/avr/avr.c (avr_mem_clobber): New static function.
22587         (avr_expand_delay_cycles): Add memory clobber operand to
22588         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
22589         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
22590         (enable_interrupt, disable_interrupt): New expander.
22591         (nopv, sleep, wdr): New expanders.
22592         (delay_cycles_1): Add memory clobber.
22593         (delay_cycles_2): Add memory clobber.
22594         (delay_cycles_3): Add memory clobber.
22595         (delay_cycles_4): Add memory clobber.
22596         (cli_sei): New insn from former "enable_interrupt",
22597         "disable_interrupt" with memory clobber.
22598         (*wdt): New insn from former "wdt" with memory clobber.
22599         (*nopv): Similar, but for "nopv".
22600         (*sleep): Similar, but for "sleep".
22601
22602 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
22603             Kaz Kojima  <kkojima@gcc.gnu.org>
22604
22605         PR target/52503
22606         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
22607         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
22608         (SUBTARGET_OVERRIDE_OPTIONS): Define.
22609
22610 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
22611
22612         * config/i386/predicates.md (x86_64_zext_general_operand): New.
22613         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
22614         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
22615
22616 2012-03-07  Walter Lee  <walt@tilera.com>
22617
22618         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
22619         REG_CFA_* notes for the stack pointer.
22620         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
22621         EH_RETURN_STACKADJ_RTX.
22622         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
22623         generate REG_CFA_* notes for the stack pointer.
22624         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
22625         by EH_RETURN_STACKADJ_RTX.
22626
22627 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
22628
22629         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
22630         when __AVR_3_BYTE_PC__ is defined.
22631
22632 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
22633
22634         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
22635         (ix86_print_operand): Handle '^'.
22636         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
22637         using P mode iterator.  Add %^ to asm template to conditionally emit
22638         addr32 prefix.
22639         (*rep_movdi_rex64): Ditto.
22640         (*strsetdi_rex_1): Ditto.
22641         (*rep_stosdi_rex64): Ditto.
22642         (*strmov{si,hi,qi}_1): Add %^ to asm template to
22643         conditionally emit addr32 prefix.
22644         (*rep_mov{si,qi}): Ditto.
22645         (*strset{si,hi,qi}): Ditto.
22646         (*rep_stos{si,qi}): Ditto.
22647         (*cmpstrnqi_nz_1): Ditto.
22648         (*cmpstrnqi_1): Ditto.
22649         (*strlenqi_1): Ditto.
22650
22651 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
22652
22653         * config/i386/i386.c (function_value_64): Return pointers in
22654         word_mode instead of Pmode.
22655         (ix86_promote_function_mode): Likewise.
22656
22657 2012-03-07  Richard Guenther  <rguenther@suse.de>
22658
22659         * coverage.c (get_gcov_type): Use type_for_mode.
22660         (get_gcov_unsigned_t): Likewise.
22661         * expr.c (store_constructor): Use type_for_mode.
22662         (try_casesi): Likewise.
22663         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
22664         (add_standard_iv_candidates): Use standard type trees.
22665         * dojump.c (do_jump): Remove dead code.
22666
22667 2012-03-07  Richard Guenther  <rguenther@suse.de>
22668
22669         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
22670
22671 2012-03-07  Richard Guenther  <rguenther@suse.de>
22672
22673         * convert.c (strip_float_extensions): Move ...
22674         * tree.c (strip_float_extensions): ... here.
22675
22676 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
22677
22678         PR target/52484
22679         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
22680
22681 2012-03-07  Richard Guenther  <rguenther@suse.de>
22682
22683         * omp-low.c (extract_omp_for_data): Use signed_type_for.
22684         (expand_omp_for_generic): Likewise.
22685         (expand_omp_for_static_nochunk): Likewise.
22686         (expand_omp_for_static_chunk): Likewise.
22687         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
22688         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
22689         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
22690         Use unsigned_type_for.
22691         (vect_create_cond_for_align_checks): Use signed_type_for.
22692
22693 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
22694
22695         PR rtl-optimization/52203
22696         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
22697         all callers to pass NULL except ...
22698         (reset_sched_cycles_in_current_ebb): ... here, save the value
22699         in new variable 'empty'.  Increase issue_rate only for
22700         non-empty insns.
22701
22702 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
22703
22704         PR target/51417
22705         * Makefile.in: Let install-gcc-ar depend on installdirs,
22706         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
22707         Don't double canonicalize if cross-compiling.
22708
22709 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
22710
22711         PR target/52506
22712         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
22713         to: RAMPZ, RAMPY, RAMPX, RAMPD.
22714         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
22715
22716 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
22717
22718         PR target/52505
22719         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
22720         from RAM.
22721         * config/avr/avr.md (xload_8): Adjust insn length.
22722
22723 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
22724
22725         PR target/52461
22726         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
22727         if RAMPZ affects reading from RAM.
22728
22729 2012-03-07  Richard Guenther  <rguenther@suse.de>
22730
22731         PR pch/52518
22732         PR pch/38987
22733         * doc/invoke.texi (Precompiled Headers): Remove sentence that
22734         suggests you can include PCHs from inside another header.
22735
22736 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
22737
22738         PR middle-end/52515
22739         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
22740
22741 2012-03-07  Kai Tietz  <ktietz@redhat.com>
22742
22743         * doc/invoke.texi (fwritable-relocated-rdata): Document
22744         new Cygwin/MinGW target option.
22745         * config/i386/winnt.c (i386_pe_unique_section): Ignore
22746         reloc if flag -fwritable-relocated-rdata is not set.
22747         (i386_pe_section_type_flags): Likewise.
22748         * config/i386/cygming.opt (fwritable-relocated-rdata):
22749         Add new flag variable flag_writable_rel_rdata.
22750
22751 2012-03-07  Richard Guenther  <rguenther@suse.de>
22752
22753         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
22754         precision against gimple constraints.
22755
22756 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
22757
22758         PR middle-end/52372
22759         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
22760         variables.
22761         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
22762         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
22763         variables.
22764         (init_emit_regs): Move associated initialization to...
22765         (init_emit_once): ...here.
22766
22767 2012-03-06  Richard Henderson  <rth@redhat.com>
22768
22769         * config/m68k/m68k.h (ISA_HAS_TAS): New.
22770         * config/m68k/sync.md (atomic_test_and_set): Use it.
22771         (atomic_test_and_set_1): Likewise.
22772
22773 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
22774
22775         PR target/50310
22776         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
22777         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
22778         (vector_ltgt<mode>): Likewise.
22779         (vector_ordered<mode>): Likewise.
22780         (vector_unordered<mode>): Likewise.
22781         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
22782
22783 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
22784
22785         * trans-mem.c: New typedef for tm_region_p.
22786         Define vector types for tm_region_p.
22787         (tm_region_init): Replace region_worklist to a vector called
22788         bb_regions.
22789
22790 2012-03-06  Richard Guenther  <rguenther@suse.de>
22791
22792         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
22793         MEM_REF with constant pointer operand.
22794
22795 2012-03-06  Richard Guenther  <rguenther@suse.de>
22796
22797         PR middle-end/52493
22798         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
22799
22800 2012-03-06  Tristan Gingold  <gingold@adacore.com>
22801
22802         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
22803         (external_model_kind): Improve documentation.
22804         (vms_pragma_extern_model): Handle relaxed_redef.
22805         (vms_c_register_pragma): Allow expansion for nomember_alignment.
22806
22807 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
22808
22809         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
22810         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
22811         Some more notes on EIND usage and reorder EIND subsection.
22812
22813 2012-03-06  Tristan Gingold  <gingold@adacore.com>
22814
22815         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
22816         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
22817
22818 2012-03-06  Tristan Gingold  <gingold@adacore.com>
22819
22820         * config/vms/t-vmsnative (version): Define.
22821         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
22822
22823 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
22824
22825         PR rtl-optimization/52250
22826         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
22827         to put note list into.  Unconditionally call move_bb_info.
22828         (move_bb_info): Do not assert the blocks being in the same region,
22829         just drop the note list if they are not.
22830
22831 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
22832
22833         PR target/51244
22834         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
22835         and use unified expansion logic.
22836         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
22837         closer to the existing movt insn.
22838         (negc): Rename insn to *negc.  Add new expander.
22839         (movnegt): Use xor pattern for T bit negation.  Reserve helper
22840         constant for negc pattern.
22841         (*movnegt): New insn and splitter.
22842
22843 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
22844
22845         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
22846         PLUS_EXPR.
22847
22848 2012-03-05  Richard Henderson  <rth@redhat.com>
22849
22850         * genemit.c (main): Include "target.h" in insn-emit.c.
22851         * Makefile.in (insn-emit.o): Depend on TARGET_H.
22852         * config/sh/sync.md (atomic_test_and_set): Reference
22853         targetm.atomic_test_and_set_trueval instead of
22854         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
22855
22856 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
22857
22858         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
22859         Make static.
22860
22861 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
22862
22863         * langhooks.c (add_builtin_type): New function.
22864         * langhooks.h (add_builtin_type): Export it.
22865         * config/mep/mep.c (mep_init_builtins): Use it.
22866         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
22867
22868 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
22869
22870         PR debug/51902
22871         * tree.h (BLOCK_SAME_RANGE): Define.
22872         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
22873         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
22874         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
22875         isn't equal to supercontext fragment's fragment chain.
22876         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
22877         fragment origin.
22878         (blocks_nreverse_all): Likewise.
22879         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
22880         BLOCK_SUPERCONTEXT to supercontext fragment instead of
22881         supercontext fragment's fragment origin.
22882         * dwarf2out.c (add_high_low_attributes): If stmt has the same
22883         range as its parent (or parents thereof etc.), use the parent's
22884         DW_AT_ranges value instead of creating a new .debug_ranges range.
22885
22886 2012-03-05  Richard Henderson  <rth@redhat.com>
22887
22888         PR tree-opt/52242
22889         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
22890         * omp-low.c (expand_omp_atomic): Assume anything aligned to
22891         BIGGEST_ALIGNMENT is aligned.
22892
22893 2012-03-05  Richard Henderson  <rth@redhat.com>
22894
22895         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
22896         * config/sh/sh.c: ... here.
22897
22898 2012-03-05  Richard Henderson  <rth@redhat.com>
22899
22900         PR target/52481
22901         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
22902         instead of calling negqi2 directly.
22903
22904 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
22905
22906         PR middle-end/52463
22907         * trans-mem.c (tm_region_init): Use last_basic_block.
22908
22909 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
22910
22911         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
22912         * config/sh/sync.md (atomic_test_and_set): New expander.
22913         (tasb, atomic_test_and_set_soft): New insns.
22914         * config/sh/sh.opt (menable-tas): New option.
22915         * doc/invoke.texi (SH Options): Document it.
22916
22917 2012-03-05  Richard Guenther  <rguenther@suse.de>
22918
22919         * cfgloop.c (verify_loop_structure): Verify dominators before
22920         using them.
22921         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
22922         dominators from here.
22923         * graphite-scop-detection.c (create_sese_edges): Likewise.
22924         * loop-doloop.c (doloop_optimize_loops): Likewise.
22925         * loop-init.c (loop_optimizer_init): Likewise.
22926         * loop-unroll.c (unroll_and_peel_loops): Likewise.
22927         * loop-unswitch.c (unswitch_loops): Likewise.
22928         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
22929         * tree-parloops.c (parallelize_loops): Likewise.  Verify
22930         only when checking is enabled.
22931         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
22932
22933 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
22934
22935         * genautomata.c (parse_automata_opt): New static function.
22936         (initiate_automaton_gen): Remove all option handling code.  Remove
22937         argc argument.  All callers changed.
22938         (main): Call init_rtx_reader_args_cb with the new function as argument.
22939
22940 2012-03-05  Richard Guenther  <rguenther@suse.de>
22941
22942         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
22943         * tree-if-conv.c (combine_blocks): Free post-dominator info
22944         after breaking it.
22945         * tree-parloops.c (create_parallel_loop): Free and re-compute
22946         dominator info after breaking it.
22947
22948 2012-03-05  Richard Guenther  <rguenther@suse.de>
22949
22950         PR middle-end/52353
22951         * optabs.h (trapv_unoptab_p): New function.
22952         (trapv_binoptab_p): Likewise.
22953         * optabs.c (expand_binop): Use emit_libcall_block_1 with
22954         a proper equiv_may_trap argument.
22955         (expand_unop): Likewise.
22956         (emit_libcall_block_1): Take extra argument whether the
22957         instruction may trap.  Renamed from ...
22958         (emit_libcall_block): ... this.  New wrapper.
22959
22960 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
22961
22962         PR tree-optimization/51721
22963         * tree-vrp.c (register_edge_assert_for_2): If comparing
22964         lhs of right shift by constant with an integer constant,
22965         add ASSERT_EXPRs for the rhs1 of the right shift.
22966
22967         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
22968
22969 2012-03-05  Richard Guenther  <rguenther@suse.de>
22970
22971         * tree.c (integer_zerop): Handle VECTOR_CSTs.
22972         (integer_onep): Likewise.
22973         (integer_all_onesp): Likewise.
22974
22975 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
22976
22977         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
22978
22979 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
22980
22981         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
22982         instead of TARGET_64BIT.
22983
22984 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
22985
22986         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
22987         adjust_stack_insn.
22988
22989 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
22990
22991         * config/i386/i386.c (ix86_print_operand_address): Only handle
22992         zero-extended DImode addresses.
22993
22994 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
22995
22996         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
22997         taken and cputaken as bool.
22998
22999 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
23000
23001         * config/i386/constraints.md (Ya): New internal constraint.
23002         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
23003         (*zero_extendsidi2_rex64): Add x,x alternative.
23004         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
23005         Remove flags reg clobber.  Adjust corresponding splits.
23006         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
23007         zero_extendqisi2 expanders using SWI12 mode iterator.
23008         (zero_extend<mode>si2_and): Macroize insn from
23009         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
23010         splitters.
23011         (*zero_extend<mode>si2):  Macroize insn from
23012         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
23013         (*zero_extend*2_movzbl_and): Remove insn patterns.
23014         (zero_extendqihi2_and): Merge corresponding splitter.
23015         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
23016         (*zero_extend*2_movzbl_and): Remove insn patterns.
23017         (*anddi_1): Split TYPE_IMOVX instructions.
23018         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
23019         (*andhi_1): Ditto.
23020         (and->zext splitter): Add splitter pattern.
23021         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
23022
23023 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
23024
23025         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
23026         x86-specific text.
23027         (Debugging Options): Likewise.
23028         (Optimize Options): Likewise.
23029         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
23030         with other architectures.  Use official processor names with correct
23031         spelling/capitalization.  Fix formatting and grammar issues.
23032         (i386 and x86-64 Windows Options): Similar cleanup here.
23033
23034 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
23035
23036         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
23037
23038 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
23039
23040         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
23041         DBX_REGISTER_NUMBER.
23042
23043 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
23044
23045         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
23046         operand is CONST_INT.  Take COSTS_N_INSNS into account.
23047         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
23048         of shiftcosts.
23049
23050 2012-03-02  Richard Henderson  <rth@redhat.com>
23051
23052         * optabs.c (expand_atomic_test_and_set): Honor
23053         atomic_test_and_set_trueval even when atomic_test_and_set
23054         optab is not in use.
23055
23056 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
23057
23058         PR target/48596
23059         PR target/48806
23060         * config/sh/sh.c (sh_register_move_cost): Increase cost between
23061         GENERAL_REGS and FP_REGS for SImode.
23062
23063 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
23064
23065         PR target/49486
23066         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
23067         (absdi2): New expander.
23068         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
23069
23070 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
23071
23072         * config/sh/sync.md (atomic_exchange<mode>): New expander.
23073         (atomic_exchange<mode>_soft): New insn.
23074
23075 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
23076
23077         * config/sh/sync.md: Update copyright notice dates.
23078         (atomic_compare_and_swap<mode>): Use SImode for return value instead
23079         of QImode.
23080         (atomic_compare_and_swap<mode>_soft): Likewise.
23081
23082 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
23083
23084         PR target/31640
23085         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
23086         * config/sh/sh.c: Update copyright notice dates.
23087         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
23088         alignment for TARGET_HARD_SH4.
23089         (sh_option_override): Reduce default function alignment.  Set
23090         loop alignment to 4 bytes when not optimizing for size.
23091
23092 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
23093
23094         PR middle-end/50335
23095         * doc/invoke.texi (floop-flatten): Remove.
23096         * toplev.c (process_options): Remove references to flag_loop_flatten.
23097         * tree-ssa-loop.c (gate_graphite_transform): Same.
23098         * common.opt (floop-flatten): Obsolete.
23099         * graphite-poly.c (apply_poly_transforms): Remove reference to
23100         flag_loop_flatten.
23101         * Makefile.in (graphite-flattening.o): Remove.
23102         * graphite-flattening.c: Remove.
23103
23104 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
23105
23106         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
23107         having mode compatible with the mode of previous compare.  Substitute
23108         compare mode of previous compare with the mode, compatible
23109         with eliminated and previous compare.
23110
23111 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
23112
23113         * config/rs6000/dfp.md (floatdidd2): New define_insn.
23114
23115 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
23116
23117         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
23118         compatible with CCGOCmode and CCGCmode.
23119
23120 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
23121
23122         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
23123
23124 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
23125
23126         * config/arm/arm.c (arm_sat_operator_match): New function.
23127         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
23128         * config/arm/arm.md ("insn" attribute): Add "sat" value.
23129         ("SAT", "SATrev"): New code iterators.
23130         ("SATlo", "SAThi"): New code iterator attributes.
23131         ("*satsi_<SAT:code>"): New pattern.
23132         ("*satsi_<SAT:code>_shift"): Likewise.
23133         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
23134         and "shift" attributes.
23135         ("arm_usatsihi"): Add "insn" attribute.
23136         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
23137         by powers of two.  Do not allow shift by 32.
23138
23139 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
23140
23141         PR target/46716
23142         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
23143         to pass the argument in the register of "natural" mode.
23144
23145 2012-03-02  Richard Guenther  <rguenther@suse.de>
23146
23147         PR tree-optimization/52406
23148         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
23149         (struct indices): Add unconstrained_base member.
23150         (struct dr_alias): Remove unused vops member.
23151         (DR_UNCONSTRAINED_BASE): New define.
23152         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
23153         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
23154         be an artificial access that covers the whole indexed object,
23155         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
23156         plain decl base-objects to their MEM_REF variant.
23157         (dr_may_alias_p): When the base-object of either data reference
23158         has unknown size use only points-to information.
23159         (compute_affine_dependence): Make dumps easier to read and
23160         more verbose.
23161         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
23162         DR_REF when looking for packed references.
23163         (vect_supportable_dr_alignment): Likewise.
23164
23165 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
23166
23167         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
23168         Improve conditions for peepholes of loads followed by commutative
23169         operators.
23170         * config/arm/ldmstm.md: Regenerated.
23171
23172 2012-03-02  Richard Guenther  <rguenther@suse.de>
23173
23174         * BASE-VER: Set to 4.8.0.
23175
23176 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
23177
23178         * config.gcc (obsolete): Add all ARM targets using the FPA.
23179         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
23180         * doc/install.texi: Avoid references to obsolete ARM ports.
23181
23182 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
23183
23184         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
23185
23186 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
23187             Joern Rennecke  <joern.rennecke@embecosm.com>
23188
23189         * doc/extend.texi: Expand and update information on interrupt
23190         attribute for Epiphany.
23191
23192 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
23193
23194         * config/sh/sh-protos.h: Update copyright notice dates.
23195         * config/sh/sh.h: Likewise.
23196         * config/sh/sh.md: Likewise.
23197         * config/sh/constraints.md: Likewise.
23198         * config/sh/predicates.md: Likewise.
23199
23200 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
23201
23202         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
23203         * config/sh/sh.c (tertiary_reload_operand): Likewise.
23204
23205 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
23206
23207         * config/sh/constraints.md: Fix comment typo.
23208
23209 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
23210
23211         PR target/52408
23212         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
23213         unsigned HOST_WIDE_INT.
23214         (zvdep_imm64): Likewise.
23215         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
23216         (vdepi_and): Likewise.
23217         Likewise for unamed 64-bit patterns.
23218         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
23219
23220 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
23221
23222         PR debug/52001
23223         PR rtl-optimization/52417
23224         * cselib.c (cselib_any_perm_equivs): New variable.
23225         (cselib_reset_table): Check that it's not set when not
23226         preserving constants.
23227         (cselib_add_permanent_equiv): Set it.
23228         (cselib_have_permanent_equivalences): New.
23229         (cselib_init, cselib_finish): Reset it.
23230         * cselib.h (cselib_have_permanent_equivalences): Declare.
23231         * alias.c (get_addr): Restore earlier behavior when there
23232         aren't permanent equivalences.
23233
23234 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
23235
23236         * config/mn10300/mn10300-modes.def: Fix copyright notice.
23237         * config/v850/v850-modes.def: Fix copyright notice.
23238
23239 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
23240
23241         * doc/extend.texi (AVR Built-in Functions): Document
23242         __builtin_avr_flash_segment.
23243
23244         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
23245         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
23246         (*split.flash_segment): New insn-and-split.
23247         * config/avr/avr.c (avr_init_builtins): Add local variables:
23248         const_memx_void_node, const_memx_ptr_type_node,
23249         char_ftype_const_memx_ptr.
23250
23251 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
23252
23253         PR tree-optimization/52445
23254         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
23255         add ssa_name_ver, offset and size fields and change store field
23256         to bool.
23257         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
23258         (add_or_mark_expr): Likewise.  Only consider previous stores
23259         with the same size and offset.
23260         (nt_init_block): Only look at gimple_assign_single_p stmts,
23261         doesn't look at rhs2.
23262
23263 2012-03-01  Richard Guenther  <rguenther@suse.de>
23264
23265         PR middle-end/52443
23266         * tree-cfg.c (verify_gimple_assign_unary): Allow any
23267         conversions from integral types to pointer types.
23268
23269 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
23270
23271         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
23272         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
23273         unintentionally removed in r184616.
23274
23275 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
23276
23277         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
23278         3DNow from bdver1.
23279
23280 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
23281             Uros Bizjak  <ubizjak@gmail.com>
23282
23283         PR target/52437
23284         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
23285         alternatives, add "e" constraint to the new last alternative
23286         and ! to last 3 alternatives.
23287
23288 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
23289
23290         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
23291         DW_AT_artificial attributes at the end of the processing.
23292         (gen_array_type_die): Likewise.
23293         (gen_enumeration_type_die): Likewise.
23294         (gen_struct_or_union_type_die): Likewise.
23295         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
23296         the parent type.
23297
23298 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
23299
23300         PR middle-end/52419
23301         * expr.c (expand_assignment): If doing misaligned store that doesn't
23302         cover all mode bits, perform a RMW cycle.
23303
23304         PR tree-optimization/52429
23305         * tree-parloops.c (separate_decls_in_region_debug): Return early
23306         if var is LABEL_DECL.
23307
23308 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23309
23310         PR tree-optimization/52424
23311         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
23312         calling dom_thread_across_edge.
23313
23314 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
23315
23316         * config/avr/avr.c: Move definition of TARGET macros to end of file.
23317
23318 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
23319
23320         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
23321         * config/avr/avr.c (avr_output_bld): Remove unused function.
23322         (avr_out_sbxx_branch): Use "%T" to print bit position.
23323
23324 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
23325
23326         * config/avr/avr.md: Untabify.
23327
23328 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
23329
23330         * config/avr/avr.md (eqne): New code iterator.
23331         (*dec-and-branchsi): Use it in text peephole's condition.
23332         (*dec-and-branchhi): Ditto.
23333         (*dec-and-branchqi): Ditto.
23334
23335 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
23336
23337         PR target/49939
23338         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
23339         the device does not have the skip-bug.
23340
23341 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
23342
23343         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
23344         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
23345         -mpretend-cmove): New.
23346
23347 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
23348
23349         PR bootstrap/52397
23350         * df.h (struct df_d): Adjust comment that hard_regs_live_count
23351         doesn't count DEBUG_INSN refs.
23352         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
23353         for DEBUG_INSN refs.
23354
23355 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
23356
23357         Partially revert:
23358
23359         2012-02-20  Richard Guenther  <rguenther@suse.de>
23360         PR tree-optimization/52298
23361         * tree-vect-stmts.c (vectorizable_load): Properly use
23362         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops.
23363
23364 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
23365
23366         PR middle-end/51752
23367         * gimple.h (gimple_in_transaction): New.
23368         (gimple_set_in_transaction): New.
23369         (struct gimple_statement_base): Add in_transaction field.
23370         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
23371         transaction loads.
23372         (tree_ssa_lim_initialize): Compute transaction bits.
23373         * tree.h (compute_transaction_bits): Protoize.
23374         * trans-mem.c (tm_region_init): Use the heap to store BB
23375         auxilliary data.
23376         (compute_transaction_bits): New.
23377
23378 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
23379
23380         * gcc.c (display_help): Document --help=common and sort entries
23381         alphabetically.
23382
23383 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
23384
23385         * doc/install.texi: Document check-$LANG specific shortcuts
23386
23387 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
23388
23389         PR target/51534
23390         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
23391         and vcgtu.
23392         * config/arm/arm_neon.h: Regenerate.
23393         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
23394         (neon_vcgeu): New insn.
23395         (neon_vcgtu): Likewise.
23396         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
23397         (ops): Unsigned comparison intrinsics call a different builtin.
23398
23399 2012-02-28  Richard Guenther  <rguenther@suse.de>
23400
23401         PR target/52407
23402         * config/i386/i386.c (ix86_expand_vector_set): Fix element
23403         ordering for the VEC_CONCAT for two element vectors for
23404         V2SFmode, V2SImode and V2DImode.
23405
23406 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
23407
23408         PR target/49448
23409         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
23410         detecting big-endian triplets.
23411
23412 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
23413
23414         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
23415         mode if there is no type information available.
23416
23417 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
23418
23419         PR tree-optimization/53207
23420         * doc/invoke.texi: Document as experimental and relying on graphite.
23421
23422 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
23423
23424         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
23425         of initializer to changes from r184614.
23426
23427 2012-02-28  Richard Guenther  <rguenther@suse.de>
23428
23429         PR tree-optimization/52395
23430         * tree-sra.c (build_ref_for_offset): Also look at the base
23431         TYPE_ALIGN when figuring out the alignment of the replacement.
23432
23433 2012-02-28  Richard Guenther  <rguenther@suse.de>
23434
23435         PR tree-optimization/52402
23436         * ipa-prop.c (ipa_modify_call_arguments): Properly use
23437         mis-aligned types when creating the accesses at the call site.
23438
23439 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
23440
23441         * config/avr/builtins.def: New file.
23442         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
23443         * config/avr/avr.c (enum avr_builtin_id): Use it.
23444         (avr_init_builtins): Use it. And use avr_bdesc.
23445         (bdesc_1arg): Remove.
23446         (bdesc_2arg): Remove.
23447         (bdesc_3arg): Remove.
23448         (struct avr_builtin_description): Add field n_args.
23449         (avr_bdesc): New static variable using builtins.def.
23450         (avr_expand_builtin): Use it.
23451         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
23452         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
23453         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
23454
23455 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
23456
23457         PR target/52148
23458         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
23459         match only one single hard register with respective hard reg rtx.
23460         (movmemx_<mode>): Ditto.
23461         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
23462         insn anatomy of movmem[x]_<mode>.
23463         (avr_out_movmem): Same for printing assembler and operand usage.
23464
23465 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
23466
23467         PR target/49868
23468         PR target/52261
23469         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
23470         address spaces located outside of device flash.
23471
23472         * config/avr/avr.h (base_arch_s): Remove field n_segments.
23473         (mcu_type_s): Add field n_flash.
23474         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
23475         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
23476         (AVR_MCU): Add N_FLASH argument.
23477         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
23478         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
23479         macro __FLASH<n> if that address space makes sense for the device.
23480         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
23481         outside of target flash.
23482         (avr_asm_named_section): Ditto.
23483         (avr_asm_select_section): Ditto.
23484         (avr_addr_space_convert): Ditto.
23485         (avr_emit_movmemhi): Ditto.
23486         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
23487         address space is outside of device flash.
23488         (avr_insert_attributes): Ditto.
23489         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
23490         avr_current_arch->n_segments.
23491
23492 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
23493
23494         PR target/52352
23495         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
23496         (*movabs<mode>_2): Likewise.
23497
23498 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
23499
23500         PR target/52375
23501         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
23502         s_register_operand in the test instead of REG_P.  Don't call
23503         gen_reg_rtx if it won't be used.
23504
23505         PR tree-optimization/52376
23506         * ipa-split.c (split_function): Ignore CLOBBER stmts.
23507
23508 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
23509
23510         * ifcvt.c (noce_get_condition): Check condition variable is not
23511         small_register_classes_for_mode_p before accepting.
23512
23513 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
23514
23515         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
23516
23517 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
23518
23519         Revert:
23520         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
23521         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
23522         tuning parameters.
23523         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
23524
23525 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
23526
23527         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
23528
23529 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
23530
23531         * config/sh/predicates.md: Remove blank lines.
23532         * config/sh/sh.c: Fix typos in comments.
23533         * config/sh/constraints.md: Likewise.
23534         * config/sh/sh.md: Remove blank lines.
23535         Fix typos in comments.  Use ;; as comment characters.
23536
23537 2012-02-26  Walter Lee  <walt@tilera.com>
23538
23539         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
23540         (replace_mov_pcrel_step2): Ditto.
23541
23542 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
23543
23544         PR debug/52001
23545         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
23546         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
23547         and locs that reference values newer than the non-canonical value
23548         at hand.  Return the canonical value as a worst case.
23549         (memrefs_conflict_p): Walk canonical value's locs.
23550
23551         PR debug/52001
23552         * cselib.c (preserve_only_constants): Rename to...
23553         (preserve_constants_and_equivs): ... this.  Split out...
23554         (invariant_or_equiv_p): ... this.  Preserve plus expressions
23555         of other preserved expressions too.
23556         (cselib_reset_table): Adjust.
23557         * var-tracking.c (reverse_op): Use canonical value to build
23558         reverse operation.
23559
23560 2012-02-23  Kai Tietz  <ktietz@redhat.com>
23561
23562         * config/i386/i386.c (ix86_delegitimize_address): Handle
23563         UNSPEC_PCREL plus displacement.
23564
23565 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
23566
23567         PR target/52261
23568         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
23569         to test for unusedness in st X addressing.
23570
23571 2012-02-24  Richard Guenther  <rguenther@suse.de>
23572
23573         PR middle-end/52361
23574         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
23575         (is_gimple_reg_type): Move inline ...
23576         * gimple.h (is_gimple_reg_type): ... here.
23577
23578 2012-02-24  Richard Guenther  <rguenther@suse.de>
23579
23580         PR middle-end/52361
23581         * passes.c (execute_function_todo): When verifying SSA form
23582         verify gimple form first.
23583         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
23584
23585 2012-02-24  Richard Guenther  <rguenther@suse.de>
23586
23587         PR middle-end/52355
23588         * fold-const.c (fold_addr_of_array_ref_difference): New function.
23589         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
23590
23591 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
23592
23593         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
23594
23595 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
23596
23597         * tree-phinodes.c (make_phi_node): Mark static.
23598         * tree-flow.h (make_phi_node): Remove extern decl.
23599         * doc/gimple.texi (make_phi_node): Remove documentation.
23600
23601 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
23602
23603         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
23604         * tree-ssa-sccvn.c (print_scc): Ditto.
23605
23606 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
23607
23608         * doc/passes.texi (Full redundancy elimination): Fix typo.
23609
23610 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
23611
23612         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
23613
23614 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
23615
23616         PR bootstrap/52287
23617         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
23618
23619 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
23620
23621         PR c/52290
23622         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
23623
23624 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
23625
23626         * config/avr/avr.md (code_stdname): Add ior, xor.
23627         (xior): New code iterator.
23628         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
23629         (*<code_stdname><mode>qi.byte1-3): Ditto.
23630
23631 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
23632
23633         PR tree-optimization/52019
23634         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
23635         CLOBBER stmts.
23636
23637 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
23638
23639         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
23640         HAVE_INITFINI_ARRAY to work around namespace pollution in
23641         certain versions of newlib system headers.
23642         * config.in: Regenerate.
23643         * configure: Regenerate.
23644         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
23645         instead of HAVE_INITFINI_ARRAY.
23646
23647 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
23648
23649         PR target/52330
23650         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
23651         is not offsettable memory reference.
23652
23653 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
23654
23655         PR target/18145
23656         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
23657         setting avr_need_clear_bss_p for __gnu_lto* symbols.
23658
23659 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
23660
23661         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
23662         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
23663
23664 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23665
23666         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
23667         library on Solaris 8 even without TLS support.
23668         * configure: Regenerate.
23669
23670 2012-02-22  Richard Guenther  <rguenther@suse.de>
23671
23672         PR middle-end/52329
23673         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
23674         for GIMPLE_DEBUG stmts.
23675
23676 2012-02-22  Martin Jambor  <mjambor@suse.cz>
23677
23678         PR middle-end/51782
23679         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
23680         according to the base object.
23681
23682 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
23683
23684         PR rtl-optimization/50063
23685         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
23686         and 2 (8-bit SP) in operand 2.
23687         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
23688         setup to use movhi_sp_r instead of vanilla move to write SP.
23689         Adjust REG_CFA notes to superseed unspec.
23690         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
23691         of vanilla move.
23692         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
23693         known to be off) only with TARGET_NO_INTERRUPTS. Never use
23694         irq_state 1 (IRQ known to be on) here.
23695
23696 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
23697
23698         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
23699         WORDS_BIG_ENDIAN.
23700         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
23701         assign_hard_reg): Likewise.
23702
23703 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
23704
23705         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
23706
23707 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
23708
23709         * config/avr/avr.md
23710         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
23711         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
23712
23713 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
23714
23715         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
23716         prototype from here to...
23717         * config/avr/avr.h: ...here.
23718
23719 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
23720
23721         PR target/52294
23722         * thumb2.md (thumb2_shiftsi3_short): Split register and
23723         immediate shifts.  For register shifts tie operands 0 and 1.
23724         (peephole2 for above): Check that register-controlled shifts
23725         have suitably tied operands.
23726
23727 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
23728
23729         PR target/52137
23730         * config/i386/bdver1.md (bdver1_call, bdver1_push,
23731         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
23732         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
23733         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
23734         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
23735         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
23736         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
23737         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
23738         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
23739         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
23740         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
23741         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
23742         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
23743         bdver1_ssevector_avx256_unaligned_load,
23744         bdver1_ssevector_sse128_unaligned_load,
23745         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
23746         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
23747         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
23748         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
23749         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
23750         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
23751         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
23752         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
23753         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
23754         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
23755         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
23756         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
23757         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
23758         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
23759         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
23760         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
23761         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
23762         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
23763         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
23764         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
23765         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
23766         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
23767         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
23768         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
23769         bdver1_ssediv_double_load, bdver1_ssediv_double,
23770         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
23771         Add "bdver2" attribute.
23772
23773 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
23774
23775         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
23776         default if possible and not specified otherwise.
23777
23778 2012-02-21  Richard Guenther  <rguenther@suse.de>
23779
23780         PR middle-end/52314
23781         * gimplify.c (create_tmp_from_val): Use the main variant type
23782         for the type of the temporary we create.
23783
23784 2012-02-21  Richard Guenther  <rguenther@suse.de>
23785
23786         PR tree-optimization/52324
23787         * gimplify.c (gimplify_expr): When re-gimplifying expressions
23788         do not gimplify a MEM_REF address operand if it is already
23789         in suitable form.
23790
23791 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
23792
23793         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
23794         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
23795
23796 2012-02-21  Richard Guenther  <rguenther@suse.de>
23797
23798         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
23799         nested_in_vect_loop.
23800
23801 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
23802
23803         PR tree-optimization/52318
23804         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
23805         vdef also to non-pure/const call stmts in the sequence.
23806
23807 2012-02-21  Tristan Gingold  <gingold@adacore.com>
23808
23809         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
23810
23811 2012-02-20  David S. Miller  <davem@davemloft.net>
23812
23813         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
23814         don't use the "rd %pc" instruction on v9 for PIC register loads.
23815
23816 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
23817
23818         PR middle-end/52141
23819         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
23820         in a transaction safe function.
23821
23822 2012-02-20  Kai Tietz  <ktietz@redhat.com>
23823
23824         PR target/52238
23825         * stor-layout.c (place_field): Handle desired_align for
23826         ms-bitfields, too.
23827
23828 2012-02-20  Richard Guenther  <rguenther@suse.de>
23829
23830         PR tree-optimization/52298
23831         * tree-vect-stmts.c (vectorizable_store): Properly use
23832         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
23833         outer loops.
23834         (vectorizable_load): Likewise.
23835         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
23836         Access DR_STEP after ensuring it is not NULL.
23837
23838 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
23839
23840         PR tree-optimization/52286
23841         * fold-const.c (fold_binary_loc): For (X & C1) | C2
23842         optimization use double_int_to_tree instead of build_int_cst_wide,
23843         rewrite to use double_int vars.
23844
23845 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23846
23847         PR target/50166
23848         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
23849         Define _start.
23850         Remove -e 0 from $gcc_cv_ld invocation.
23851         Only use __GLIBC_PREREQ if defined.
23852         Enable on Solaris since Solaris 8 patch.
23853         (gcc_SUN_LD_VERSION): New macro.
23854         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
23855         gcc_SUN_LD_VERSION for version number format.
23856         * configure: Regenerate.
23857         * varasm.c (get_elf_initfini_array_priority_section): Set
23858         SECTION_NOTYPE for non-default priority.
23859         Use get_section instead of get_unnamed_section to emit
23860         .init_array/.fini_array with default priority.
23861
23862 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
23863
23864         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
23865         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
23866         (mips_start_unique_function, mips_output_mips16_rdhwr)
23867         (mips_code_end): New functions.
23868         (TARGET_ASM_CODE_END): Define.
23869
23870 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
23871
23872         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
23873         to stubs with non-sibling calls.
23874
23875 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
23876
23877         * doc/invoke.texi (-fira-* options): Copy-edit.
23878         (ira-* parameters): Copy-edit.
23879
23880 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
23881
23882         * doc/invoke.texi: Minor copy-edits to bring into conformance with
23883         GCC coding conventions.
23884
23885 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
23886
23887         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
23888         when used as adjectives.
23889
23890 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
23891
23892         * doc/invoke.texi: Clean up "that"/"which" confusion.
23893
23894 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
23895
23896         * system.h: Poison SMALL_REGISTER_CLASSES
23897         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
23898         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
23899
23900 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
23901
23902         PR tree-optimization/52285
23903         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
23904         when deciding if a call is a tail call or tail recursion.
23905
23906 2012-02-16  Kai Tietz  <ktietz@redhat.com>
23907
23908         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
23909         interger-constant displacement for UNSPEC_PCREL.
23910
23911 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
23912
23913         PR rtl-optimization/52208
23914         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
23915         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
23916
23917         PR tree-optimization/52255
23918         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
23919         loop->header has virtual PHI, but exit_e->dest doesn't, add
23920         virtual PHI to exit_e->dest and adjust all uses after the loop.
23921
23922         PR debug/52260
23923         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
23924         children with clone_tree_hash, not after it.
23925
23926 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
23927
23928         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
23929         extended identifiers.
23930
23931 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
23932
23933         PR middle-end/51929
23934         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
23935         a same_body_alias, also test whether e->callee isn't a former
23936         or current clone of the decl this is a same body alias of.
23937
23938         PR translation/52264
23939         * cgraphunit.c (verify_cgraph_node): Fix a typo.
23940
23941 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23942
23943         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
23944
23945 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
23946
23947         PR target/52199
23948         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
23949         force_reg instead of copy_to_reg for better optimization.  Force
23950         non-register or memory operands into a register.
23951
23952 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
23953
23954         * extend.texi: Reserve upper bits of memory model for future use.
23955
23956 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
23957             Anatoly Sokolov <aesok@post.ru>
23958             Eric Weddington <eric.weddington@atmel.com>
23959
23960         PR target/52261
23961         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
23962         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
23963         Rewrite initializers for .macro.
23964         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
23965         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
23966         atxmega32d4, atxmega32x1.
23967         avrxmega4: atxmega64a3, atxmega64d3.
23968         avrxmega5: atxmega64a1, atxmega64a1u.
23969         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
23970         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
23971         avrxmega7: atxmega128a1, atxmega128a1u.
23972         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
23973         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
23974         (struct base_arch_s): Rename reserved to xmega_p.
23975         Rename reserved2 to have_rampd.
23976         (AVR_XMEGA): New define.
23977         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
23978         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
23979         * config/avr/predicates.md (io_address_operand): Take into
23980         account SFR offset.
23981         (low_io_address_operand): Ditto.
23982         (high_io_address_operand): Ditto.
23983         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
23984         (enabled, movhi_sp_r): Use them.
23985         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
23986         cpp_define_formatted to built-in define __AVR_ARCH__.
23987         (__AVR_XMEGA__): New built-in define.
23988         (__AVR_HAVE_RAMPD__): New built-in define.
23989         (__AVR_HAVE_RAMPX__): New built-in define.
23990         (__AVR_HAVE_RAMPY__): New built-in define.
23991         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
23992
23993         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
23994         (avr_option_override): Initialize them.
23995         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
23996         (avr_init_expanders): Initialize them. No more block several calls.
23997         (emit_push_sfr): New static function.
23998         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
23999         Handle AVR_XMEGA.
24000         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
24001         (avr_print_operand): Print addreeses as symbols for
24002         RAMPX, RAMPY, RAMPD, CCP.
24003         (output_movhi): Handle AVR_XMEGA when writing to SP.
24004         (avr_out_movhi_mr_r_xmega): New static function.
24005         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
24006         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
24007         __RAMPD__,  __CCP__ as needed.
24008
24009         * config/avr/multilib.h: Regenerate.
24010         * config/avr/t-multilib: Regenerate.
24011         * config/avr/avr-tables.opt: Regenerate.
24012
24013 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
24014
24015         PR tree-optimization/50561
24016         * graphite-flattening.c (lst_project_loop): Do not
24017         remove old scattering dimensions after flattening.
24018         (lst_do_flatten): Likewise.
24019
24020 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
24021
24022         * doc/extend.texi (AVR Built-in Functions): Remove doc for
24023         __builtin_avr_map8, __builtin_avr_map16.
24024         Document __builtin_avr_insert_bits.
24025
24026         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
24027         (insert_bits): New insn.
24028         (adjust_len.map_bits): Rename to insert_bits.
24029         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
24030         * avr-protos.h (avr_out_map_bits): Remove.
24031         (avr_out_insert_bits, avr_has_nibble_0xf): New.
24032         * config/avr/constraints.md (Cxf,C0f): New.
24033         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
24034         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
24035         New built-in define __BUILTIN_AVR_INSERT_BITS.
24036         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
24037         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
24038         (avr_move_bits): Rewrite.
24039         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
24040         functions.
24041         (avr_map_op_t): New typedef.
24042         (avr_map_op): New static variable.
24043         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
24044         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
24045         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
24046         (bdesc_3arg, avr_expand_triop_builtin): New.
24047         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
24048         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
24049         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
24050         (avr_map_equal_p, avr_map_sig_p): Remove.
24051         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
24052         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
24053         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
24054         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
24055         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
24056         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
24057
24058 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
24059
24060         * config/c6x/c6x.md (reserve_cycles): New attribute.
24061         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
24062         don't reserve functional units after the branch occurs.
24063
24064 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
24065
24066         PR middle-end/52142
24067         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
24068         functions into non-tm_pure functions.
24069
24070 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
24071
24072         PR lto/52178
24073         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
24074         (iterative_hash_canonical_type): Likewise.
24075         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
24076         the dead edges.
24077
24078 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
24079
24080         * haifa-sched.c (prune_ready_list): Ensure that if there is a
24081         sched-group insn, it either remains alone or the entire list is pruned.
24082
24083 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
24084
24085         * doc/install.texi (Prerequisites): Fix grammar.
24086         (Configuration): Likewise.
24087
24088 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
24089
24090         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
24091         MPC as part of GCC before describing configuring with --with-gmp etc.
24092         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
24093         sources are present.
24094
24095 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
24096
24097         PR debug/51950
24098         * dwarf2out.c (clone_tree_hash): New function.
24099         (copy_decls_walk): Use it instead of clone_tree.
24100
24101 2012-02-14  Richard Guenther  <rguenther@suse.de>
24102
24103         PR tree-optimization/52244
24104         PR tree-optimization/51528
24105         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
24106         replacements for integral types.
24107
24108 2012-02-14  Walter Lee  <walt@tilera.com>
24109
24110         * config.gcc: Handle tilegx and tilepro.
24111         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
24112         tilegx and tilepro.
24113         Add HAVE_AS_TLS check for tilegx and tilepro.
24114         * configure: Regenerate.
24115         * doc/contrib.texi: Add Mat Hostetter and self.
24116         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
24117         Document instruction intrinsics and network accessing intrinsics.
24118         (TILEPro Built-in Functions): New node.  Document instruction
24119         intrinsics and network accessing intrinsics.
24120         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
24121         (Specific, tilepro-*-linux*): Likewise.
24122         * doc/invoke.texi (TILE-Gx Options): New section.
24123         (TILEPro Options): New section.
24124         * doc/md.texi (TILE-Gx): New section.
24125         (TILEPro): New section.
24126         * common/config/tilegx/tilegx-common.c: New file.
24127         * common/config/tilepro/tilepro-common.c: New file.
24128         * config/tilegx/constraints.md: New file.
24129         * config/tilegx/linux.h: New file.
24130         * config/tilegx/mul-tables.c: New file.
24131         * config/tilegx/predicates.md: New file.
24132         * config/tilegx/sync.md: New file.
24133         * config/tilegx/t-tilegx: New file.
24134         * config/tilegx/tilegx-builtins.h: New file.
24135         * config/tilegx/tilegx-c.c: New file.
24136         * config/tilegx/tilegx-generic.md: New file.
24137         * config/tilegx/tilegx-modes.def: New file.
24138         * config/tilegx/tilegx-multiply.h: New file.
24139         * config/tilegx/tilegx-protos.h: New file.
24140         * config/tilegx/tilegx.c: New file.
24141         * config/tilegx/tilegx.h: New file.
24142         * config/tilegx/tilegx.md: New file.
24143         * config/tilegx/tilegx.opt: New file.
24144         * config/tilepro/constraints.md: New file.
24145         * config/tilepro/gen-mul-tables.cc: New file.
24146         * config/tilepro/linux.h: New file.
24147         * config/tilepro/mul-tables.c: New file.
24148         * config/tilepro/predicates.md: New file.
24149         * config/tilepro/t-tilepro: New file.
24150         * config/tilepro/tilepro-builtins.h: New file.
24151         * config/tilepro/tilepro-c.c: New file.
24152         * config/tilepro/tilepro-generic.md: New file.
24153         * config/tilepro/tilepro-modes.def: New file.
24154         * config/tilepro/tilepro-multiply.h: New file.
24155         * config/tilepro/tilepro-protos.h: New file.
24156         * config/tilepro/tilepro.c: New file.
24157         * config/tilepro/tilepro.h: New file.
24158         * config/tilepro/tilepro.md: New file.
24159         * config/tilepro/tilepro.opt: New file.
24160
24161 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
24162
24163         PR tree-optimization/52210
24164         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
24165         vect_model_simple_cost with two entry vect_def_type array instead
24166         of an address of dt.
24167
24168 2012-02-14  Richard Guenther  <rguenther@suse.de>
24169
24170         PR lto/52178
24171         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
24172         Do not stream DECL_QUALIFIER.
24173         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
24174         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
24175         (find_decls_types_r): Do not walk DECL_QUALIFIER.
24176
24177 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
24178
24179         PR c/52181
24180         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
24181         newdecl.
24182
24183 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
24184
24185         PR bootstrap/52172
24186         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
24187         * cselib.c (cselib_subst_to_values_from_insn): New function.
24188         * sched-deps.c (add_insn_mem_dependence,
24189         sched_analyze_1, sched_analyze_2): Use it.
24190
24191 2012-02-13  Jan Hubicka  <jh@suse.cz>
24192
24193         PR middle-end/52214
24194         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
24195
24196 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
24197
24198         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
24199         (GTM_SELF_SPECS): Define if not already defined.
24200         (driver_self_specs): Add GTM_SELF_SPECS.
24201         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
24202         (GTM_SELF_SPECS): Define.
24203         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
24204         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
24205
24206 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
24207
24208         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
24209         away if seen.
24210
24211         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
24212
24213         PR middle-end/52230
24214         * omp-low.c (expand_omp_for): If a static schedule without chunk size
24215         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
24216
24217 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
24218
24219         PR c/52190
24220         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
24221
24222 2012-02-13  Richard Guenther  <rguenther@suse.de>
24223
24224         PR translation/52211
24225         * passes.c (enable_disable_pass): Fix typo.
24226
24227 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
24228
24229         PR middle-end/52209
24230         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
24231         XOR for reduce_bit_field if type is unsigned.
24232
24233 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
24234
24235         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
24236         disallow changes from SFmode to mode with different size in FP regs.
24237
24238 2012-02-12  Robert Millan  <rmh@gnu.org>
24239             Gerald Pfeifer <gerald@pfeifer.com>
24240
24241         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
24242         Tweak comment.
24243
24244 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
24245
24246         PR rtl-optimization/52175
24247         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
24248         to frame-related instructions.
24249
24250 2012-02-10  Jason Merrill  <jason@redhat.com>
24251
24252         PR c++/51910
24253         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
24254         (demangle_new_symbols): Fill it.
24255         (scan_linker_output): Walk it.
24256         (start_tweaking): Split out from scan_linker_output.
24257         (maybe_tweak): Update sym->chosen.
24258         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
24259
24260 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
24261
24262         PR debug/52132
24263         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
24264
24265 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
24266
24267         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
24268         having the same mode as previous compare.
24269
24270 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
24271
24272         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
24273         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
24274         (nonlocal_goto_internal): Likewise.
24275         (nonlocal_goto): Emit a use and an indirect jump directly.
24276
24277 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
24278
24279         PR c/52190
24280         * doc/extend.texi : Update comments for __atomic_compare_exchange and
24281         __atomic_{is,always}_lock_free.
24282
24283 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
24284
24285         PR target/52146
24286         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
24287         negative constant address for TARGET_X32.
24288
24289 2012-02-10  Richard Henderson  <rth@redhat.com>
24290
24291         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
24292         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
24293         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
24294
24295 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24296             Ira Rosen  <irar@il.ibm.com>
24297
24298         PR tree-optimization/50031
24299         * targhooks.c (default_builtin_vectorization_cost): Handle
24300         vec_promote_demote.
24301         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
24302         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
24303         all types of reduction and pattern statements.
24304         (vect_estimate_min_profitable_iters): Likewise.
24305         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
24306         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
24307         for explicit realigns.
24308         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
24309         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
24310         vec_promote_demote.
24311         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
24312         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
24313         vec_perm for VSX and handle vec_promote_demote.
24314
24315 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
24316
24317         PR middle-end/52177
24318         * builtins.c (fold_builtin_atomic_always_lock_free,
24319         expand_builtin_atomic_always_lock_free,
24320         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
24321         Return and/or test boolean_true_node/boolean_false_node instead of
24322         integer_one_node/integer_zero_node.
24323
24324 2012-02-10  Jan Hubicka  <jh@suse.cz>
24325
24326         PR middle-end/48600
24327         * predict.c (predict_paths_for_bb): Prevent looping.
24328         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
24329
24330 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
24331
24332         * config/arm/arm.c (output_move_double): In one case properly
24333         count number of instructions that will be emitted.
24334
24335 2012-02-10  Richard Guenther  <rguenther@suse.de>
24336
24337         PR translation/52193
24338         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
24339
24340 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
24341
24342         PR middle-end/52140
24343         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
24344
24345 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
24346
24347         PR debug/52165
24348         * var-tracking.c (emit_note_insn_var_location): If
24349         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
24350         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
24351         non-NOTE_DURING_CALL_P insn.
24352
24353 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
24354
24355         PR middle-end/51867
24356         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
24357
24358 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
24359
24360         PR driver/48524
24361         * gcc.c (switch_matches) Support switches with separated form,
24362         -D and -U.
24363
24364 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
24365
24366         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
24367         (SP_ADDR): Ditto.
24368         (RAMPZ_ADDR): Ditto.
24369         * config/avr/avr.c (avr_addr_t): New typedef.
24370         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
24371         (avr_init_expanders): Initialize it.
24372         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
24373         SREG_ADDR.
24374         (expand_epilogue): Ditto.
24375         (avr_print_operand): Ditto.
24376         (avr_file_start): Ditto.
24377         (avr_emit_movmemhi): Ditto.
24378
24379 2012-02-08  Richard Guenther  <rguenther@suse.de>
24380
24381         PR tree-optimization/46886
24382         * tree-flow.h (do_while_loop_p): Declare.
24383         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
24384         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
24385
24386 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
24387
24388         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
24389         always succeed for integers larger than a native word.
24390
24391 2012-02-08  Richard Guenther  <rguenther@suse.de>
24392
24393         PR rtl-optimization/52170
24394         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
24395         properly handle integer vector modes.
24396
24397 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
24398
24399         PR gcov-profile/52150
24400         * coverage.c: Include target.h.
24401         (build_var): Call targetm.strip_name_encoding on the assembler name.
24402         Change one _ into . or $ if the target allows it.
24403         * Makefile.in (coverage.o): Depend on $(TARGET_H).
24404
24405         PR rtl-optimization/52139
24406         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
24407         is a BARRIER after emit_insn_after_noloc, move BB_END
24408         to the last non-BARRIER insn before it.
24409
24410 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
24411
24412         PR middle-end/24306
24413         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
24414         (mips_gimplify_va_arg_expr): Call it instead of
24415         std_gimplify_va_arg_expr.
24416
24417 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
24418
24419         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
24420         message for -mno-pointers-to-nested-function.
24421
24422 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
24423
24424         PR middle-end/51994
24425         * expr.c (get_inner_reference): If there is an offset, add a negative
24426         bit position to it (if any).
24427
24428 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
24429
24430         PR rtl-optimization/52060
24431         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
24432         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
24433         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
24434         and/or i0src_copy2 when needed.
24435
24436 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
24437
24438         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
24439         or LTOPLUGINSONAME if have_c.
24440
24441         * config/freebsd-spec.h: Add comment about what macros can be defined
24442         in this header.
24443         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
24444         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
24445         here instead.
24446
24447 2012-02-07  Richard Guenther  <rguenther@suse.de>
24448
24449         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
24450         newline in -alias dumps.
24451
24452 2012-02-07  Kai Tietz  <ktietz@redhat.com>
24453             Dave Korn  <dave.korn.cygwin@gmail.com>
24454
24455         PR target/40068
24456         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
24457         Take care that typinfo gets dllexport-attribute.
24458
24459 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
24460
24461         PR middle-end/52074
24462         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
24463         if modifier < EXPAND_SUM call force_operand on the result.
24464
24465 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
24466
24467         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
24468         adding __forwarder_dst__ prefix if a forwarder_section attribute is
24469         present.
24470         (epiphany_function_type): Replace types for specific interrupts with
24471         EPIPHANY_FUNCTION_INTERRUPT.
24472         (EPIPHANY_INTERRUPT_P): Update.
24473         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
24474         New static function.
24475         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
24476         <disinterrupt>: Affects type identity.
24477         (epiphany_handle_interrupt_attribute): Handle variable number of
24478         arguments.
24479         (epiphany_compute_function_type): Update for new
24480         epiphany_function_type definition.
24481         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
24482         handlers with a longcall forwarder.
24483         (epiphany_start_function): Handle multiple interrupt arguments and/or
24484         forwarder_section attribute.
24485
24486         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
24487         libgloss.
24488
24489 2012-02-07  Alan Modra  <amodra@gmail.com>
24490
24491         PR target/52107
24492         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
24493         subregs of TFmode.
24494
24495 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24496
24497         PR tree-optimization/50969
24498         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
24499         use vec_perm rather than vector_stmt.
24500         (vect_model_load_cost): Likewise.
24501         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
24502         vec_perm to be the same as other vector statements.
24503         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
24504         cost of vec_perm for TARGET_VSX.
24505
24506 2012-02-06  Richard Guenther  <rguenther@suse.de>
24507
24508         PR tree-optimization/52115
24509         * tree-sra.c (access_has_replacements_p): New function.
24510         (sra_modify_assign): Use it to decide whether a use is uninitialized.
24511
24512 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
24513
24514         PR middle-end/52047
24515         * trans-mem.c (expand_call_tm): Add an assertion.
24516         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
24517         functions.
24518
24519 2012-02-06  Richard Guenther  <rguenther@suse.de>
24520
24521         PR tree-optimization/50955
24522         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
24523         raise cost of expressions that replace an address with an
24524         expression based on a different pointer.
24525
24526 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
24527
24528         PR target/52129
24529         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
24530         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
24531
24532 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
24533
24534         PR c++/48680
24535         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
24536         -Weffc++ and specify guidelines come from second edition.
24537
24538 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
24539
24540         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
24541         (sibcall_value_multiple_internal, call_split, call_internal_direct)
24542         (call_direct_split, call_value_split, call_value_internal_direct)
24543         (call_value_direct_split, call_value_multiple_split): Use jal and
24544         jal_macro attributes.
24545
24546 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
24547
24548         * reload1.c (reload_regs_reach_end_p): Replace with...
24549         (reload_reg_rtx_reaches_end_p): ...this function.
24550         (new_spill_reg_store): Update commentary.
24551         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
24552         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
24553         before setting new_spill_reg_store.
24554         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
24555         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
24556         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
24557         for non-spill reload registers.
24558
24559 2012-02-05  Ira Rosen  <irar@il.ibm.com>
24560
24561         PR tree-optimization/52091
24562         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
24563         (vect_is_simple_use_1): Likewise.
24564         * tree-vect-loop.c (vectorizable_reduction): Update calls
24565         to vect_is_simple_use_1 and vect_is_simple_use.
24566         (vectorizable_live_operation): Likewise.
24567         * tree-vect-patterns.c (widened_name_p,
24568         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
24569         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
24570         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
24571         vectorizable_shift,vectorizable_operation, vectorizable_store,
24572         vectorizable_load): Likewise.
24573         (vect_is_simple_cond): Add an argument, pass it to
24574         vect_is_simple_use_1.
24575         (vectorizable_condition): Update calls to vect_is_simple_cond,
24576         vect_is_simple_use.
24577         (vect_is_simple_use): Add an argument, the statement in which
24578         OPERAND is used.  Check that if OPERAND's def stmt is a double
24579         reduction phi node, the use is a phi node too.
24580         (vect_is_simple_use_1): Add an argument, pass it to
24581         vect_is_simple_use.
24582         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
24583         to vect_is_simple_use.
24584
24585 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
24586
24587         PR rtl-optimization/52095
24588         * modulo-sched.c (dump_insn_locator): New function.
24589         (loop_canon_p, sms_schedule): Use it.
24590
24591         PR rtl-optimization/52113
24592         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
24593         even for decomposable shift/zext insns.
24594
24595 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
24596             Zdenek Dvorak  <ook@ucw.cz>
24597
24598         PR rtl-optimization/52092
24599         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
24600         on get_iv_value result.
24601
24602 2012-02-02  Andrew Pinski  <apinski@cavium.com>
24603
24604         PR middle-end/47982
24605         PR middle-end/43967
24606         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
24607
24608 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
24609
24610         PR middle-end/48071
24611         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
24612
24613 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
24614
24615         PR rtl-optimization/49800
24616         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
24617         (sched_finish): Call regstat_free_n_sets_and_refs.
24618
24619 2012-02-02  Jia Liu  <proljc@gmail.com>
24620
24621         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
24622         than operand 2.
24623
24624 2012-02-02  Jan Hubicka  <jh@suse.cz>
24625             Tom de Vries  <tom@codesourcery.com>
24626
24627         PR middle-end/51998
24628         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
24629         * varpool.c (varpool_analyze_pending_decls): Likewise.
24630
24631 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
24632             Jayant R Sonar <jayant.sonar@kpitcummins.com>
24633
24634         * config.gcc: Add cr16-* support.
24635
24636         * doc/extend.texi: Document cr16 extensions.
24637         * doc/install.texi: Document cr16 install.
24638         * doc/invoke.texi: Document cr16 options.
24639         * doc/md.texi: Document cr16 constraints.
24640
24641         * common/config/cr16/cr16-common.c: New file.
24642         * config/cr16/cr16.c: New file.
24643         * config/cr16/cr16.h: New file.
24644         * config/cr16/cr16.md: New file.
24645         * config/cr16/cr16.opt: New file.
24646         * config/cr16/cr16-protos.h: New file.
24647         * config/cr16/predicates.md: New file.
24648         * config/cr16/constraints.md: New file.
24649         * config/cr16/t-cr16: New file.
24650
24651 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
24652
24653         PR target/52086
24654         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
24655         that operands[2] is either immediate, or q_regs_operand.
24656
24657         PR tree-optimization/52073
24658         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
24659         a pattern stmt for pattern uses, ignore uses outside of the loop.
24660
24661 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
24662
24663         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
24664         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
24665         (OUT_AS1, OUT_AS2): Remove.
24666
24667 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
24668
24669         PR rtl-optimization/51374
24670         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
24671         to cross other volatile_refs_p insns.
24672
24673 2012-02-01  Richard Guenther  <rguenther@suse.de>
24674
24675         * doc/invoke.texi (fno-inline): Clarify documentation.
24676         (finline-small-functions): Likewise.
24677         (finline-functions): Likewise.
24678         * common.opt (finline): Adjust comment and documentation.
24679         (finline-small-functions): Clarify documentation.
24680         (finline-functions): Likewise.
24681         (finline-functions-called-once): Likewise.
24682
24683 2012-02-01  Tristan Gingold  <gingold@adacore.com>
24684
24685         * c-typeck.c (composite_type): Keep mode for pointers.
24686
24687 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
24688
24689         * function.h (regno_reg_rtx): Adjust comment.
24690         * reginfo.c (init_reg_modes_target): Only use the previous mode
24691         if it fits within one register.  Remove MIPS comment.
24692
24693 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
24694
24695         PR bootstrap/52058
24696         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
24697
24698 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
24699
24700         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
24701         to srak instruction.
24702
24703 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
24704
24705         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
24706
24707 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
24708
24709         PR bootstrap/52041
24710         PR bootstrap/52039
24711         PR target/51974
24712         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
24713
24714 2012-01-31  Richard Guenther  <rguenther@suse.de>
24715
24716         PR tree-optimization/51528
24717         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
24718         assigns.
24719
24720 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
24721
24722         PR bootstrap/52041
24723         PR bootstrap/52039
24724         PR target/51974
24725         * ree.c (add_removable_extension): Change def_map argument
24726         to unsigned *, store in def_map 1 + offset into *insn_list vector
24727         instead of pointers into the vector.
24728         (find_removable_extensions): Adjust caller.
24729
24730 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
24731
24732         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
24733         Transform all "* quoted-c-code" to { c-code }.
24734         Remove redundant test for "optimize" in combine patterns.
24735         Move (include "avr-dimode.md") to end of file.
24736
24737 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
24738
24739         PR target/51835
24740         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
24741         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
24742
24743 2012-01-30  Richard Guenther  <rguenther@suse.de>
24744
24745         PR tree-optimization/52028
24746         * tree-loop-distribution.c (ldist_gen): Properly update
24747         virtual SSA form.
24748
24749 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
24750
24751         PR debug/52027
24752         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
24753         set_cur_line_info_table if not emitting debug info.
24754
24755         PR tree-optimization/52046
24756         * tree-vect-patterns.c (check_bool_pattern): Give up if
24757         a comparison could throw.
24758
24759         PR debug/52048
24760         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
24761
24762 2012-01-30  Richard Guenther  <rguenther@suse.de>
24763
24764         PR tree-optimization/52045
24765         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
24766         SSA form if cfgcleanup did anything.
24767
24768 2012-01-30  Richard Guenther  <rguenther@suse.de>
24769
24770         PR tree-optimization/52045
24771         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
24772         before computing final todo.
24773
24774 2012-01-30  Richard Guenther  <rguenther@suse.de>
24775
24776         PR tree-optimization/51528
24777         * tree-sra.c (sra_modify_assign): Re-factor in preparation
24778         for PR51528 fix.
24779
24780 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
24781
24782         * df-problems.c (df_kill_notes): Check that the use refers
24783         to the note under examination.
24784
24785 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
24786
24787         PR target/51920
24788         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
24789         parameter and use short-lived pseudos.
24790         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
24791         (sparc_expand_vector_init): Const-ify local variables and adjust
24792         calls to above functions.
24793
24794 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
24795
24796         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
24797
24798 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
24799
24800         * doc/invoke.texi: Make usage of "compile time" and
24801         "run time"/"runtime" consistent throughout the file.
24802
24803 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
24804
24805         * config/alpha/alpha.c (alpha_option_override): Default to
24806         full IEEE compliance mode for Go language.
24807
24808 2012-01-29  Tijl Coosemans  <tijl@coosemans.org>
24809
24810         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
24811         (LINK_SSP_SPEC): Define.
24812
24813 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24814
24815         PR target/51871
24816         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
24817         stubs.
24818
24819 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
24820
24821         * doc/invoke.texi: Correct hyphenation of "floating point",
24822         "double precision", and related terminology throughout the file.
24823
24824 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
24825
24826         PR target/52006
24827         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
24828         arm_general_register_operand predicate for operand 2 instead of
24829         register_operand.
24830
24831 2012-01-27  Ian Lance Taylor  <iant@google.com>
24832
24833         PR go/47656
24834         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
24835         * builtins.c (expand_builtin_init_trampoline): Add onstack
24836         parameter.  Change caller.
24837         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
24838         * tree.c (build_common_builtin_nodes): Declare
24839         __builtin_init_heap_trampoline.
24840
24841 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
24842
24843         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
24844         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
24845         * config/avr/avr.c: Ditto.
24846         (avr_regnames): Remove because unused.
24847         * config/avr/avr.md (*cpse.ne): New peephole.
24848         (*cpse.eq): New peephole from former cpse peepholes.
24849
24850 2012-01-27  Michael Eager  <eager@eagercon.com>
24851
24852         * config/microblaze.c (microblaze_emit_compare): Correct
24853         test after pcmp instruction.
24854
24855 2012-01-27  Richard Guenther  <rguenther@suse.de>
24856
24857         PR tree-optimization/52020
24858         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
24859
24860 2012-01-27  Richard Guenther  <rguenther@suse.de>
24861
24862         * ipa-pure-const.c (check_stmt): Clobbers do not make a
24863         function non-const/pure.
24864
24865 2012-01-27  Richard Guenther  <rguenther@suse.de>
24866
24867         PR tree-optimization/50444
24868         * tree-sra.c (build_ref_for_offset): Properly adjust the
24869         MEM_REF type for unaligned accesses.
24870
24871 2012-01-27  Richard Guenther  <rguenther@suse.de>
24872
24873         PR tree-optimization/50444
24874         * expr.c (mem_ref_refers_to_non_mem_p): New function.
24875         (expand_assignment): Use it.  Properly handle misaligned
24876         bases when expanding stores to component references.
24877         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
24878         refactor that case.
24879
24880 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
24881
24882         PR middle-end/51389
24883         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
24884         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
24885         * tree-data-ref.c (find_data_references_in_loop): Make static.
24886         (compute_all_dependences): Change return type to bool.  Bail out
24887         for too many datarefs in a loop.  Move the hunk resetting the data
24888         dependences vector from ...
24889         (compute_data_dependences_for_loop): ... here.  Account for
24890         compute_all_dependences returning false.
24891         (compute_data_dependences_for_bb): Likewise.
24892         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
24893         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
24894
24895 2012-01-27  Richard Guenther  <rguenther@suse.de>
24896
24897         PR middle-end/51959
24898         * expr.c (store_field): Use the alias-set of the scratch memory
24899         for storing to it.
24900
24901 2012-01-27  Tom de Vries  <tom@codesourcery.com>
24902
24903         PR tree-optimization/51990
24904         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
24905         WITH_SIZE_EXPR.
24906         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
24907
24908 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
24909
24910         PR debug/52001
24911         * var-tracking.c (reverse_op): Don't add any reverse operation
24912         if V already has any constant locations.
24913
24914 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
24915
24916         * doc/invoke.texi: Correct usage of "command line" (noun)
24917         vs "command-line" (adjective) throughout.
24918
24919 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
24920
24921         * doc/invoke.texi (Language Independent Options): Move
24922         -Wcoverage-mismatch blurb from here....
24923         (Warning Options): ...to here.
24924
24925 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
24926
24927         * config/rs6000/rs6000.c (rs6000_option_override_internal):
24928         Set rs6000_always_hint to false for 476.
24929
24930 2012-01-27  Matthias Klose  <doko@ubuntu.com>
24931
24932         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
24933           system root.
24934         * incpath.c (add_standard_paths): Likewise.
24935
24936 2012-01-27  Richard Henderson  <rth@redhat.com>
24937
24938         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
24939         * config/m68k/sync.md (atomic_test_and_set): Rename from
24940         sync_test_and_setqi and adjust the operands.
24941         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
24942         and unconditionally enable.
24943
24944 2012-01-27  Richard Henderson  <rth@redhat.com>
24945
24946         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
24947         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
24948         (ldstub): Rename from ldstubqi.
24949         (ldstub<I24MODE>): Remove.
24950
24951 2012-01-27  Richard Henderson  <rth@redhat.com>
24952
24953         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
24954         * c-cppbuiltin.c (cpp_atomic_builtins): Define
24955         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
24956         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
24957         * doc/tm.texi: Rebuild.
24958
24959 2012-01-27  Richard Henderson  <rth@redhat.com>
24960
24961         * optabs.c (gen_atomic_test_and_set): Remove default.
24962         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
24963
24964 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
24965
24966         PR rtl-optimization/51978
24967         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
24968         (combine_reaching_defs): Likewise.
24969         (struct re_info): Remove.
24970         (add_removable_extension): Remove x and data arguments,
24971         add insn, insn_list and def_map.  Use the arguments directly
24972         instead of using struct re_info.
24973         (find_removable_extensions): Don't call add_removable_extension
24974         through note_stores, instead just call it with single_set
24975         result if non-NULL.
24976         (find_and_remove_re): Pass curr_cand->expr instead of
24977         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
24978
24979 2012-01-26  Michael Matz  <matz@suse.de>
24980
24981         PR tree-optimization/46590
24982         * cfgexpand.c: Revert last change (r183305).
24983         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
24984         regs.
24985         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
24986         checking for emptiness.
24987
24988 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
24989
24990         PR middle-end/51895
24991         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
24992         non-addressable non-BLKmode base correctly.
24993
24994 2012-01-26  Michael Matz  <matz@suse.de>
24995
24996         PR tree-optimization/48794
24997         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
24998         regions referenced from RESX/EH_DISPATCH.
24999
25000 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
25001
25002         * config/s390/s390.h: Make BRANCH_COST an option.
25003         * config/s390/s390.opt: New option -mbranch-cost.
25004
25005 2012-01-26  Richard Henderson  <rth@redhat.com>
25006
25007         Revert 2012-01-24 change:
25008         * trans-mem.c (requires_barrier): Do not instrument thread local
25009         variables and emit save/restore for them.
25010
25011 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
25012
25013         PR middle-end/51986
25014         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
25015         for pat == 0.
25016
25017 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
25018
25019         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
25020         ASM_OPERANDS.
25021
25022 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
25023
25024         PR target/49868
25025         Rename __pgm to __flash.
25026         Rename __pgm1 to __flash1.
25027         Rename __pgm2 to __flash2.
25028         Rename __pgm3 to __flash3.
25029         Rename __pgm4 to __flash4.
25030         Rename __pgm5 to __flash5.
25031         Rename __pgmx to __memx.
25032         * doc/extend.texi (AVR Named Address Spaces)
25033         Rename address space names as indicated above.
25034         * config/avr/avr.c (avr_addrspace): Ditto.
25035
25036         * config/avr/avr-protos.h
25037         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
25038         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
25039         * config/avr/predicates.md: Ditto.
25040         * config/avr/avr.c Ditto, and
25041         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
25042         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
25043
25044         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
25045         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
25046         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
25047         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
25048         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
25049         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
25050         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
25051         * config/avr/avr.c: Ditto.
25052         * config/avr/avr.md: Ditto.
25053
25054 2012-01-25  Jason Merrill  <jason@redhat.com>
25055
25056         PR c++/51992
25057         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
25058
25059 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
25060
25061         PR tree-optimization/51987
25062         * tree-data-ref.c (get_references_in_stmt): Handle references in
25063         non-volatile GIMPLE_ASM.
25064
25065 2012-01-25  Richard Guenther  <rguenther@suse.de>
25066
25067         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
25068         bases are dereferenced.
25069
25070 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
25071
25072         PR rtl-optimization/48374
25073         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
25074
25075 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
25076
25077         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
25078         compute_data_dependences_for_loop returns false.
25079         * tree-parloops.c (loop_parallel_p): Likewise.
25080
25081 2012-01-25  Richard Guenther  <rguenther@suse.de>
25082
25083         * tree.h (get_pointer_alignment_1): Declare.
25084         * builtins.c (get_pointer_alignment_1): New function.
25085         (get_pointer_alignment): Use it.
25086
25087 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
25088
25089         PR rtl-optimization/48308
25090         * combine.c (enum undo_kind): Add UNDO_LINKS.
25091         (struct undo): Add member l to other_contents and where.
25092         (do_SUBST_LINK): New.
25093         (SUBST_LINK): New.
25094         (try_combine): Handle LOG_LINKS for the dummy i1 case.
25095         (undo_all): Handle UNDO_LINKS.
25096
25097 2012-01-25  Richard Henderson  <rth@redhat.com>
25098
25099         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
25100         mem inputs.
25101
25102 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
25103
25104         * optabs.c (gen_atomic_test_and_set): Use each argument.
25105
25106 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
25107
25108         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
25109         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
25110         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
25111         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
25112         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
25113         TARGET_PAIRED_SINGLE_FLOAT.
25114
25115 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
25116
25117         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
25118         (in_struct, return_val): Remove MEM documentation.
25119         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
25120         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
25121         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
25122         and MEM_SCALAR.
25123         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
25124         * cfgexpand.c (add_alias_set_conflicts): Likewise.
25125         * expr.c (store_field): Likewise.
25126         * function.c (assign_stack_temp_for_type): Likewise.
25127         * ifcvt.c (noce_try_cmove_arith): Likewise.
25128         * reload1.c (reload): Likewise.
25129         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
25130         (alpha_set_memflags): Likewise.
25131         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
25132
25133 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
25134
25135         * rtl.h (true_dependence, canon_true_dependence): Remove varies
25136         parameter.
25137         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
25138         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
25139         (true_dependence_1, true_dependence, canon_true_dependence): Remove
25140         varies parameter.
25141         * cselib.c (cselib_rtx_varies_p): Delete.
25142         (cselib_invalidate_mem): Update call to canon_true_dependence.
25143         * dse.c (record_store, check_mem_read_rtx): Likewise.
25144         (scan_reads_nospill): Likewise.
25145         * cse.c (check_dependence): Likewise.
25146         (cse_rtx_varies_p): Delete.
25147         * expr.c (safe_from_p): Update call to true_dependence.
25148         * ira.c (validate_equiv_mem_from_store): Likewise.
25149         (memref_referenced_p): Likewise.
25150         * postreload-gcse.c (find_mem_conflicts): Likewise.
25151         * sched-deps.c (sched_analyze_2): Likewise.
25152         * store-motion.c (load_kills_store): Likewise.
25153         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
25154         * gcse.c (mems_conflict_for_gcse_p): Likewise.
25155         (compute_transp): Update call to canon_true_dependence.
25156
25157 2012-01-25  Richard Henderson  <rth@redhat.com>
25158
25159         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
25160         (maybe_emit_atomic_test_and_set): New.
25161         (expand_sync_lock_test_and_set): Use it.
25162         (expand_atomic_test_and_set): Likewise.
25163         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
25164         the implementation; clarify implementation defined details.
25165         * doc/md.texi (atomic_test_and_set): Document.
25166
25167 2012-01-25  Richard Henderson  <rth@redhat.com>
25168
25169         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
25170
25171 2012-01-25  Richard Henderson  <rth@redhat.com>
25172
25173         PR target/51968
25174         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
25175         to effect no-op split.
25176
25177 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
25178
25179         PR lto/51698
25180         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
25181         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
25182         (BT_FN_VOID_PTR_INT_SIZE): New.
25183         (BT_FN_UINT_UINT_VAR): Remove.
25184         (BT_FN_UINT32_UINT32_VAR): New.
25185         (BT_FN_DOUBLE_VPTR): Remove.
25186         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
25187
25188         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
25189         (_ITM_changeTransactionMode): Same.
25190         (_ITM_memmoveRtWt): Change return type to void.
25191         (_ITM_memcpyRtWt): Same.
25192         (_ITM_memsetW): Same.
25193         (_ITM_RaRD): Change types to double.
25194         (_ITM_RD): Same.
25195         (_ITM_RaWD): Same.
25196         (_ITM_RfWD): Same.
25197
25198         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
25199
25200 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
25201             Patrick Marlier  <patrick.marlier@gmail.com>
25202
25203         * trans-mem.c (requires_barrier): Do not instrument thread local
25204         variables and emit save/restore for them.
25205
25206 2012-01-24  Jason Merrill  <jason@redhat.com>
25207
25208         PR c++/51812
25209         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
25210         output static aliases.
25211
25212 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
25213
25214         PR driver/47249
25215         * common.opt (-pie, -shared, pie, shared): Change from Common to
25216         Driver.
25217         * gcc.c (display_help): Display help for -pie and -shared.
25218
25219 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
25220
25221         PR target/49868
25222         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
25223         Remove note on size/offset limitation.
25224         (AVR Variable Attributes): Add example how to read data located
25225         with progmem.  Refer to named address spaces.
25226         * doc/invoke.texi (AVR Options): Fix typo.
25227
25228 2012-01-24  Richard Guenther  <rguenther@suse.de>
25229
25230         Forward-port to trunk
25231         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
25232
25233         PR middle-end/45678
25234         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
25235         op0 isn't sufficiently aligned and there is movmisalignM
25236         insn for mode, use it to load op0 into a temporary register.
25237
25238 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
25239
25240         PR target/51957
25241         * target.def (const_not_ok_for_debug_p): New hook.
25242         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
25243         documentation.
25244         * doc/tm.texi: Regenerated.
25245         * dwarf2out.c (const_ok_for_output_1): If
25246         targetm.const_not_ok_for_debug_p returns true, fail.
25247         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
25248         function.
25249         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
25250
25251 2012-01-23  Kai Tietz  <ktietz@redhat.com>
25252
25253         PR target/51900
25254         * config/i386/predicates.md (symbolic_operand): Allow
25255         UNSPEC_PCREL as PIC expression for lea.
25256         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
25257         * config/i386/i386.c (ix86_delegitimize_address): Handle
25258         UNSPEC_PCREL for none-MEM, too.
25259
25260 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
25261
25262         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
25263         (ipa_tm_create_version_alias): Same.
25264
25265 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
25266
25267         PR libitm/51830
25268         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
25269         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
25270
25271 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
25272             Patrick Marlier  <patrick.marlier@gmail.com>
25273             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
25274
25275         PR lto/51916
25276         * lto-wrapper.c (run_gcc): Pass the LTO section name to
25277         simple_object_start_read.
25278
25279 2012-01-23  Richard Guenther  <rguenther@suse.de>
25280
25281
25282         PR tree-optimization/51895
25283         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
25284         parameter decomposition into BLKmode components.
25285
25286 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
25287
25288         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
25289         fake variables for restrict-qualified pointers whose pointed-to type
25290         contains a placeholder.
25291
25292 2012-01-23  Richard Guenther  <rguenther@suse.de>
25293
25294         PR tree-optimization/51949
25295         * ipa-split.c (execute_split_functions): Do not split malloc functions.
25296
25297 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
25298
25299         PR rtl-optimization/51933
25300         * ree.c (transform_ifelse): Return true right away if dstreg is
25301         already wider or equal to cand->mode.
25302         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
25303         (make_defs_and_copies_lists): Remove defs_list and copies_list
25304         arguments, add state argument, just truncate state->work_list
25305         instead of always allocating and freeing the vector.  Assert that
25306         get_defs succeeds instead of returning 2.  Changed return type to bool.
25307         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
25308         have ext_src_mode, see if it has been modified already with the
25309         right kind of extension and has been extended before from the
25310         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
25311         just return true.  Remember the original mode in state->modified array.
25312         (combine_reaching_defs): Add state argument.  Don't allocate and
25313         free here def_list, copied_list and vec vectors, instead just
25314         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
25315         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
25316         Add state variable, clear vectors in it, initialize state.modified
25317         if needed.  Free all the vectors at the end and state.modified too.
25318         Don't skip a candidate if the extension expression has been modified.
25319
25320 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
25321
25322         PR target/47096
25323         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
25324          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
25325         (extra_options) interix.opt -> i386/interix.opt"
25326         (extra_objs):Add winnt-stubs.o
25327         * configure.ac: Add interix to target_os .comm on PE check.
25328         * configure: Regenerate.
25329         * config/interix3.h: Delete and move bits to..
25330         * config/interix.h: Delete and move bits to..
25331         * config/i386/i386-interix3.h: Delete and move bits to..
25332         * config/i386/i386-interix.h: ..here.
25333         (TARGET_CPU_DEFAULT): Remove redefinition.
25334         (TARGET_ASM_CONSTRUCTOR): Undefine.
25335         (SUBTARGET_SWITCHES): Define for ms-bitfields.
25336         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
25337         (PTRDIFF_TYPE): Define.
25338         (LONG_DOUBLE_TYPE_SIZE): Define.
25339         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
25340         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
25341         (TARGET_SECTION_TYPE_FLAGS): Define.
25342         (ASM_DECLARE_FUNCTION_NAME): Define.
25343         (ASM_OUTPUT_EXTERNAL): Define.
25344         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
25345         (ASM_OUTPUT_ALIGNED_BSS): Define.
25346         (PCC_BITFIELD_TYPE_MATTERS): Define.
25347         (USE_CONST_SECTION): Define.
25348         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
25349         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
25350         (SUPPORTS_ONE_ONLY): Remove.
25351         (I386_PE_STRIP_ENCODING): Define.
25352         * config/interix.opt: Delete and move bits to..
25353         * config/i386/interix.opt: ..here. New.
25354         (mpe-aligned-commons): Add.
25355         * config/i386/t-interix: Add copyright header.
25356         (winnt-stubs.o): Add rule.
25357
25358 2012-01-22  Jason Merrill  <jason@redhat.com>
25359
25360         PR c++/51832
25361         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
25362         for extra name aliases.
25363
25364 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
25365
25366         PR rtl-optimization/51924
25367         * ree.c (combine_set_extension): Improve debugging message.
25368         (combine_reaching_defs): Likewise.
25369         (get_defs): Rename confusingly named variable.
25370         (find_and_remove_re): Skip a candidate if the extension expression has
25371         been modified.
25372
25373 2012-01-21  Robert Millan  <rmh@gnu.org>
25374             Gerald Pfeifer  <gerald@pfeifer.com>
25375
25376         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
25377         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
25378
25379 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
25380
25381         PR tree-optimization/51914
25382         * tree-vect-stmts.c (vectorizable_conversion): For
25383         cvt_type && modifier == WIDEN, put temporary with cvt_type
25384         at the beginning of vec_dsts and set vec_dest to temporary
25385         with vectype_out.
25386
25387 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
25388
25389         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
25390
25391 2012-01-20  Tijl Coosemans  <tijl@coosemans.org>
25392
25393         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
25394         * config/rs6000/rs6000.c: Likewise.
25395
25396 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
25397
25398         PR target/51915
25399         * config/arm/arm.c (arm_count_output_move_double_insns): Call
25400         output_move_double on a copy of operands array.
25401
25402 2012-01-20  Cary Coutant  <ccoutant@google.com>
25403             Dodji Seketeli  <dodji@redhat.com>
25404
25405         PR debug/45682
25406         * dwarf2out.c (copy_declaration_context): Return ref to parent
25407         of declaration DIE, if necessary.
25408         (remove_child_or_replace_with_skeleton): Add new parameter; update
25409         caller.  Place skeleton DIE under parent DIE of original declaration.
25410         Move call to copy_declaration_context to here ...
25411         (break_out_comdat_types): ... from here.
25412
25413 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
25414
25415         PR rtl-optimization/51856
25416         * reload.c (find_reloads_subreg_address): Set the address_reloaded
25417         flag to reloaded.
25418
25419 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
25420
25421         PR target/51819
25422         * config/arm/arm.c (arm_print_operand): Correct output of alignment
25423         hints for neon loads and stores.
25424
25425 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
25426
25427         PR target/49868
25428         PR target/50887
25429         * doc/extend.texi (Named Address Spaces): Split into subsections.
25430         (AVR Named Address Spaces): New subsection.
25431         (M32C Named Address Spaces): New subsection.
25432         (RL78 Named Address Spaces): New subsection.
25433         (SPU Named Address Spaces): New subsection.
25434         (Variable Attributes): New anchor "AVR Variable Attributes".
25435         (AVR Variable Attributes): Rewrite and avoid wording
25436         "address space" in this context.
25437         * doc/invoke.texi (AVR Options): Rewrite and add documentation
25438         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
25439         (AVR Built-in Macros): New subsubsection therein.
25440         * doc/md.texi (AVR constraints): Remove "C04", "R".
25441
25442 2012-01-20  Richard Guenther  <rguenther@suse.de>
25443
25444         PR tree-optimization/51903
25445         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
25446         when removing stmts.
25447
25448 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
25449
25450         PR target/50313
25451         * config/arm/arm.c (arm_load_pic_register): Use
25452         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
25453         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
25454         (arm_pic_static_addr): Likewise.
25455         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
25456         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
25457         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
25458         (pic_load_addr_unified): New.
25459
25460 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
25461
25462         PR target/51106
25463         * function.c (instantiate_virtual_regs_in_insn): Use
25464         delete_insn_and_edges when removing a wrong asm insn.
25465
25466 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
25467
25468         PR rtl-optimization/40761
25469         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
25470         Add new member loop_num.
25471         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
25472         (ira_build): Remove the parameter.
25473
25474         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
25475         (ira.c): Do not build CFG loops for one region allocation.  Remove
25476         argument from ira_build call.
25477
25478         * ira-build.c (init_loop_tree_node): New function.
25479         (create_loop_tree_nodes): Use it.  Separate the case when CFG
25480         loops are not built.
25481         (more_one_region_p): Check current_loops.
25482         (finish_loop_tree_nodes): Separate the case when CFG loops are not
25483         built.
25484         (add_loop_to_tree): Process loop equal to NULL too.
25485         (form_loop_tree): Separate the case when CFG loops are not built.
25486         Use explicitly number for the root.
25487         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
25488         an assertion.
25489         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
25490         instead of loop->num.
25491         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
25492         (mark_all_loops_for_removal): Ditto.
25493         (remove_unnecessary_regions): Separate the case when CFG loops
25494         are not built.
25495         (ira_build): Remove the parameter.  Use explicit number of regions
25496         when CFG loops are not built.
25497
25498         * ira-color.c (print_loop_title): Separate the case for the root node.
25499         Use loop_num instead of loop->num.
25500         (move_spill_restore): Use loop_num instead of loop->num.
25501
25502         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
25503         (change_loop): Ditto.
25504         (change_loop): Use loop_num instead of loop->num.
25505
25506         * ira-lives.c (process_bb_node_lives): Ditto.
25507
25508         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
25509
25510         * ira-conflicts.c (print_allocno_conflicts): Ditto.
25511
25512 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
25513
25514         PR libmudflap/40778
25515         * tree-mudflap.c (mf_artificial): New function.
25516         (execute_mudflap_function_ops, execute_mudflap_function_decls,
25517         mx_register_decls, mudflap_enqueue_decl): Use it.
25518
25519         PR target/51876
25520         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
25521         numbers in the insn pattern.
25522
25523 2012-01-19  Michael Matz  <matz@suse.de>
25524
25525         PR tree-optimization/46590
25526         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
25527         use it in remembering which conflicts we already created.
25528         (add_scope_conflicts): Adjust call to above, (de)allocate helper
25529         bitmap.
25530
25531 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
25532
25533         PR lto/51280
25534         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
25535         (merge_and_complain): Same.
25536
25537 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
25538
25539         PR bootstrap/50237
25540         * config/initfini-array.h: Guard content of the header
25541         with #ifdef HAVE_INITFINI_ARRAY.
25542         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
25543         Add initfini-array.h to tm_file here.
25544         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
25545         * config.gcc: Don't add initfini-array.h to tm_file here.
25546         * configure: Regenerated.
25547
25548 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
25549
25550         PR rtl-optimization/51505
25551         * df-problems.c (df_kill_notes): New parameter live. Update comment.
25552         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
25553         (df_note_bb_compute): Update the call to df_kill_notes.
25554
25555 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
25556
25557         * trans-mem.c (requires_barrier): Remove call to is_global_var.
25558
25559 2012-01-18  Richard Guenther  <rguenther@suse.de>
25560
25561         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
25562         of conversions to void *.
25563
25564 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
25565             Richard Sandiford  <rdsandiford@googlemail.com>
25566
25567         PR middle-end/50325
25568         PR middle-end/51192
25569         * optabs.h (simplify_expand_binop): Declare.
25570         * optabs.c (simplify_expand_binop): Make global.
25571         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
25572         endian targets if the source cannot be exactly covered by word
25573         mode chunks.
25574
25575 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
25576
25577         PR bootstrap/51872
25578         * hard-reg-set.h (struct hard_reg_set_container): New type.
25579         * target.h (struct hard_reg_set_container): Forward declare.
25580         * target.def (set_up_by_prologue): New target hook.
25581         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
25582         * doc/tm.texi: Regenerated.
25583         * function.c (thread_prologue_and_epilogue_insns): Change
25584         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
25585         Call targetm.set_up_by_prologue on it.
25586         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
25587         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
25588
25589 2012-01-17  Nick Clifton  <nickc@redhat.com>
25590
25591         * config/rx/rx.c (rx_can_use_simple_return): New function.
25592         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
25593         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
25594
25595 2012-01-17  Richard Guenther  <rguenther@suse.de>
25596
25597         PR middle-end/51782
25598         * expr.c (expand_assignment): Take address-space information
25599         from the address operand of MEM_REF and TARGET_MEM_REF.
25600         (expand_expr_real_1): Likewise.
25601
25602 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
25603
25604         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
25605         reload dump is requested.
25606
25607 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
25608
25609         PR other/51165
25610         * trans-mem.c (requires_barrier): Call may_be_aliased.
25611
25612 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
25613
25614         PR tree-optimization/51877
25615         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
25616         call arguments and fndecls compare equal, instead return false if they
25617         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
25618         both SSA_NAMEs that are valueized the same, or they satisfy
25619         operand_equal_p.
25620
25621 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
25622
25623         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
25624         Solaris 11+.
25625         * configure: Regenerate.
25626
25627 2012-01-16  Jan Hubicka  <jh@suse.cz>
25628
25629         PR c/12245
25630         PR c++/14179
25631         * convert.c (convert_to_integer): Use fold_convert for
25632         converting an INTEGER_CST to integer type.
25633
25634 2012-01-16  Jason Merrill  <jason@redhat.com>
25635
25636         PR c++/14179
25637         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
25638
25639 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
25640
25641         PR bootstrap/51860
25642         * config/s390/s390.c (s390_chunkify_start): Don't skip
25643         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
25644         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
25645         If insn is followed by NOTE_INSN_VAR_LOCATION or
25646         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
25647         Don't use location of note insns.
25648
25649         PR tree-optimization/51865
25650         * tree-inline.c (tree_function_versioning): Call remap_decl
25651         on DECL_RESULT whenever it has VOID_TYPE_P type.
25652
25653 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
25654
25655         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
25656         for calls to locally-binding MIPS16 functions if only the return
25657         type uses float regs.
25658
25659 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
25660             Richard Sandiford  <rdsandiford@googlemail.com>
25661
25662         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
25663         (SYMBOL_32_HIGH): Likewise.
25664         (mips_output_tls_reloc_directive): Declare.
25665         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
25666         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
25667         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
25668         (mips_lo_relocs, mips_hi_relocs): Make extern.
25669         (mips16_stub_function): Move up file.
25670         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
25671         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
25672         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
25673         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
25674         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
25675         (mips_get_tp): Add MIPS16 support.
25676         (mips_legitimize_tls_address): Remove MIPS16 sorry().
25677         Generalize DTPREL and TPREL handling.
25678         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
25679         Add MIPS16 TLS support.
25680         (mips_output_tls_reloc_directive): New function.
25681         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
25682         * config/mips/predicates.md (symbolic_operand_with_high)
25683         (tls_reloc_operand): New predicates.
25684         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
25685         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
25686         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
25687         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
25688         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
25689         (*tls_get_tp_mips16_call_<mode>): Likewise.
25690
25691 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
25692
25693         PR rtl-optimization/51821
25694         * recog.c (peep2_find_free_register): Determine clobbered registers
25695         from insn pattern.
25696
25697 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
25698
25699         PR target/50925
25700         * config/avr/avr-protos.h: Revert change of 2012-01-09.
25701         * config/avr/avr.c: Likewise.
25702         * config/avr/avr.h: Likewise.
25703
25704 2012-01-13  Ian Lance Taylor  <iant@google.com>
25705
25706         PR c++/50012
25707         * tree.h (TYPE_QUALS): Add cast to int.
25708         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
25709
25710 2012-01-13  Ian Lance Taylor  <iant@google.com>
25711
25712         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
25713         comparing param_index to VEC_length result.
25714
25715 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
25716
25717         * c-decl.c: Do not include tree-mudflap.h
25718         * tree-optimize.c: Likewise.
25719         * Makefile.in: Update dependencies.
25720
25721 2012-01-13  Richard Guenther  <rguenther@suse.de>
25722
25723         PR middle-end/8081
25724         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
25725         variable-sized result always use RSO.
25726
25727 2012-01-12  DJ Delorie  <dj@redhat.com>
25728
25729         * cfgexpand.c (convert_debug_memory_address): Allow any valid
25730         pointer type, not just the default pointer type.
25731
25732 2012-01-09  Richard Henderson  <rth@redhat.com>
25733             Denis Chertykov  <chertykov@gmail.com>
25734
25735         PR target/50925
25736         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
25737         * config/avr/avr.c (avr_can_eliminate): Simplify.
25738         (avr_initial_elimination_offset): Likewise.
25739         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
25740         (expand_epilogue): Likewise.
25741         (avr_legitimize_address): Gut.
25742         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
25743         (avr_hard_regno_nregs): New.
25744         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
25745         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
25746         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
25747         add soft frame pointer.
25748         (CALL_USED_REGISTERS): Likewise.
25749         (REG_CLASS_CONTENTS): Likewise.
25750         (REGISTER_NAMES): Likewise.
25751         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
25752         (HARD_FRAME_POINTER_REGNUM): New.
25753         (FRAME_POINTER_REGNUM): Use soft frame pointer.
25754         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
25755         remove the HARD_FRAME_POINTER self-elimination.
25756
25757 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
25758
25759         PR target/51756
25760         * config/avr/avr.c (avr_encode_section_info): Test for absence of
25761         DECL_EXTERNAL when checking for initializers of progmem variables.
25762
25763 2012-01-12  Ira Rosen  <irar@il.ibm.com>
25764
25765         PR tree-optimization/51799
25766         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
25767         that the last operation is a type demotion.
25768
25769 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
25770
25771         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
25772         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
25773
25774 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
25775
25776         PR bootstrap/51796
25777         * combine.c (distribute_notes): If i3 is a noreturn call,
25778         allow old_size to be equal to args_size and make sure the
25779         noreturn call gets REG_ARGS_SIZE note.
25780         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
25781         on noreturn calls even when the delta is 0.
25782
25783 2012-01-11  Nathan Sidwell  <nathan@acm.org>
25784
25785         * gcov.c (STRING_SIZE): Remove.
25786         (generate_results): Erase annotations for source files with no
25787         coverage information.
25788         (read_line): New.
25789         (output_lines): Use it.
25790
25791 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
25792
25793         * gimple.h (gimplify_body): Remove first argument.
25794         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
25795         pointer set here, instead just pass DATA to walk_tree.
25796         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
25797         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
25798         (unvisit_body): Likewise, but with unmark_visited.
25799         (gimplify_body): Remove BODY_P argument and adjust.
25800         (gimplify_function_tree): Adjust call to gimplify_body.
25801         * omp-low.c (finalize_task_copyfn): Likewise.
25802
25803 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
25804
25805         * tree.h (build_function_decl_skip_args): Add boolean parameter.
25806         (build_function_type_skip_args): Delete.
25807         * tree.c (build_function_type_skip_args): Make static and add
25808         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
25809         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
25810         pass it to build_function_type_skip_args.
25811         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
25812         (tree_function_versioning): Likewise.
25813         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
25814         build_function_decl_skip_args.
25815         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
25816         and pass it to build_function_decl_skip_args/tree_function_versioning.
25817         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
25818         * ipa-inline-transform.c (save_inline_function_body): Likewise.
25819         * trans-mem.c (ipa_tm_create_version): Likewise.
25820         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
25821         * tree-inline.c (declare_return_variable): Remove always-true test.
25822         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
25823         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
25824         * ipa-split.c (split_function): Skip the return value for the split
25825         part if it doesn't return.
25826
25827 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25828
25829         PR tree-optimization/49642
25830         * ipa-split.c (forbidden_dominators): New variable.
25831         (check_forbidden_calls): New function.
25832         (dominated_by_forbidden): Likewise.
25833         (consider_split): Check for forbidden dominators.
25834         (execute_split_functions): Initialize and free forbidden
25835         dominators info; call check_forbidden_calls.
25836
25837 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
25838
25839         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
25840
25841 2012-01-11  Nick Clifton  <nickc@redhat.com>
25842
25843         * config/rx/rx.md (return): Define pattern.
25844
25845 2012-01-11  Richard Guenther  <rguenther@suse.de>
25846
25847         * doc/extend.texi (malloc attribute): Adjust according to
25848         implementation.
25849
25850 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
25851             Patrick Marlier  <patrick.marlier@gmail.com>
25852
25853         PR middle-end/51516
25854         * trans-mem.c (get_cg_data): Traverse aliases if requested.
25855         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
25856         (ipa_tm_note_irrevocable): Same.
25857         (ipa_tm_scan_irr_block): Same.
25858         (ipa_tm_decrement_clone_counts): Same.
25859         (ipa_tm_scan_irr_function): Same.
25860         (ipa_tm_create_version_alias): Same.
25861         (ipa_tm_create_version): Same.
25862         (ipa_tm_transform_calls_redirect): Same.
25863         (ipa_tm_transform_calls): Same.
25864         (ipa_tm_transform_transaction): Same.
25865         (ipa_tm_execute): Same.
25866
25867 2012-01-10  Richard Guenther  <rguenther@suse.de>
25868
25869         PR middle-end/51806
25870         * opts.c (common_handle_option): Handle -Werror.
25871
25872 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
25873
25874         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
25875         operand number.
25876
25877 2012-01-10  Jason Merrill  <jason@redhat.com>
25878
25879         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
25880         information.
25881
25882 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
25883
25884         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
25885         supports R_386_TLS_GD_PLT reloc.
25886         (gcc_cv_as_ix86_tlsldmplt): Check if linker
25887         supports R_386_TLS_LDM_PLT reloc.
25888         * configure: Regenerate.
25889         * config.in: Regenerate.
25890
25891 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
25892
25893         PR target/49868
25894         Extend __pgmx semantics to linearize memory.
25895         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
25896         determine if code comes inline or from libgcc.
25897         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
25898         (movmem_qi, movmem_qi): Set constraint #2 to "n".
25899         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
25900         (movmemx_qi, movmemx_hi): New insns.
25901         (xload_<mode>_libgcc): Rewrite to new insn condition.
25902         (xload_<mode>): Remove insns.
25903         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
25904         cases that don't satisfy avr_xload_libgcc_p().
25905         (avr_addr_space_convert): Allow converting in any direction.
25906         (avr_addr_space_subset_p): Return always true.
25907         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
25908         (avr_emit_movmemhi): Ditto.
25909         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
25910         (avr_out_movmem): Ditto.
25911         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
25912         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
25913         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
25914         (avr_encode_section_info): Encode 'progmem' in symbol flags.
25915         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
25916
25917 2012-01-10  Richard Guenther  <rguenther@suse.de>
25918
25919         PR tree-optimization/50913
25920         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
25921         Require data-refs to be representable by Graphite with respect
25922         to any loop nest.
25923
25924 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
25925
25926         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
25927         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
25928
25929 2012-01-10  Tom de Vries  <tom@codesourcery.com>
25930
25931         PR rtl-optimization/51271
25932         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
25933         handling annulled branch.
25934
25935 2012-01-10  Richard Henderson  <rth@redhat.com>
25936
25937         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
25938         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
25939         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
25940         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
25941         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
25942         arm_expand_vec_perm_const): New.
25943         * config/arm/arm-protos.h: Update.
25944         * config/arm/neon.md (UNSPEC_VCONCAT): New.
25945         (*neon_vswp<VDQX>): New.
25946         (neon_vcombine<VDX>): Use neon_split_vcombine.
25947         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
25948         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
25949         (vec_perm<VE>): New.
25950
25951 2012-01-10  Richard Henderson  <rth@redhat.com>
25952
25953         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
25954         use it if reload_completed.
25955         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
25956         arm_output_asm_insn, arm_process_output_memory_barrier,
25957         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
25958         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
25959         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
25960         arm_process_output_sync_insn, arm_output_sync_insn,
25961         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
25962         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
25963         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
25964         (emit_unlikely_jump): New.
25965         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
25966         (arm_split_atomic_op): New.
25967         * config/arm/arm-protos.h: Update.
25968         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
25969         (struct arm_sync_generator): Remove.
25970         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
25971         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
25972         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
25973         (VUNSPEC_LL, VUNSPEC_SC): New.
25974         (sync_result, sync_memory, sync_required_value, sync_new_value,
25975         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
25976         (attr length): Don't use arm_sync_loop_insns.
25977         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
25978         (movsfcc, movdfcc): Likewise.
25979         * config/arm/constraints.md (Ua): New.
25980         * config/arm/prediates.md (mem_noofs_operand): New.
25981         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
25982         (sync_clobber, sync_t2_reqd): Remove.
25983         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
25984         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
25985         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
25986         (arm_sync_compare_and_swap<SIDI>): Remove.
25987         (arm_sync_compare_and_swap<NARROW>): Remove.
25988         (arm_sync_lock_test_and_set<SIDI>): Remove.
25989         (arm_sync_lock_test_and_set<NARROW>): Remove.
25990         (arm_sync_new_<syncop><SIDI>): Remove.
25991         (arm_sync_new_<syncop><NARROW>): Remove.
25992         (arm_sync_new_nand<SIDI>): Remove.
25993         (arm_sync_new_nand<NARROW>): Remove.
25994         (arm_sync_old_<syncop><SIDI>): Remove.
25995         (arm_sync_old_<syncop><NARROW>): Remove.
25996         (arm_sync_old_nand<SIDI>): Remove.
25997         (arm_sync_old_nand<NARROW>): Remove.
25998         (*memory_barrier): Merge arm_output_memory_barrier.
25999         (atomic_compare_and_swap<QHSD>): New.
26000         (atomic_compare_and_swap<NARROW>_1): New.
26001         (atomic_compare_and_swap<SIDI>_1): New.
26002         (atomic_exchange<QHSD>): New.
26003         (cas_cmp_operand, cas_cmp_str): New.
26004         (atomic_op_operand, atomic_op_str): New.
26005         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
26006         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
26007         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
26008         (arm_load_exclusive<NARROW>): New.
26009         (arm_load_exclusivesi, arm_load_exclusivedi): New.
26010         (arm_store_exclusive<QHSD>): New.
26011
26012 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
26013
26014         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
26015         reload patterns if -mvsx-scalar-memory.
26016
26017         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
26018         generated, even -mno-vsx-scalar-double was used.
26019         (vsx_xscvdpsp_scalar): Likewise.
26020         (vsx_xscvspdp_scalar2): Likewise.
26021
26022 2012-01-09  Tom de Vries  <tom@codesourcery.com>
26023             Andrew Pinski  <apinski@cavium.com>
26024
26025         PR debug/51471
26026         * reorg.c (fill_slots_from_thread): Don't speculate
26027         frame-related insns.
26028
26029 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
26030
26031         * sched-int.h (bb_note): Move to...
26032         * basic-block.h: ...here.
26033         * haifa-sched.c (bb_note): Move to...
26034         * cfgrtl.c: ...here.
26035         * function.c (next_block_for_reg): New function.
26036         (move_insn_for_shrink_wrap): Likewise.
26037         (prepare_shrink_wrap): Rewrite to use the above.
26038
26039 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
26040
26041         * gimple.c (is_gimple_non_addressable): Remove.
26042         * gimple.h: Remove is_gimple_non_addressable.
26043         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
26044         is_gimple_non_addressable.
26045         * trans-mem.c (expand_assign_tm): Same.
26046
26047 2012-01-09  Richard Guenther  <rguenther@suse.de>
26048
26049         PR tree-optimization/51775
26050         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
26051         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
26052
26053 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
26054
26055         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
26056         tuning parameters.
26057         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
26058
26059 2012-01-09  Richard Guenther  <rguenther@suse.de>
26060
26061         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
26062
26063 2012-01-08  Jan Hubicka  <jh@suse.cz>
26064
26065         PR tree-optimize/51680
26066         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
26067         on when known_vals needs to be computed; cleanup.
26068
26069 2012-01-08  Jan Hubicka  <jh@suse.cz>
26070
26071         PR tree-optimize/51694
26072         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
26073
26074 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
26075
26076         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
26077         for -std=c++98 and -std=c++11 too.
26078
26079 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
26080
26081         * cfgloop.c (cancel_loop): Add free() of bbs array.
26082
26083 2012-01-07  Jan Hubicka  <jh@suse.cz>
26084
26085         PR tree-optimization/51600
26086         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
26087         that benefits small functions.
26088
26089 2012-01-07  Jan Hubicka  <jh@suse.cz>
26090
26091         * ipa-inline.c (want_inline_small_function_p): Fix formating.
26092
26093 2012-01-07  Jan Hubicka  <jh@suse.cz>
26094
26095         PR tree-optimization/51680
26096         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
26097         whose inlining reduce unit size.
26098
26099 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
26100
26101         PR bootstrap/51725
26102         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
26103         Add canonical node to containing_mem chain after the non-canonical
26104         one, even if there weren't any locs to propagate.
26105         (remove_useless_values): Keep only canonical values.
26106         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
26107         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
26108         canonicalize mem_chain elements that are not discarded.
26109
26110 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
26111
26112         PR target/47333
26113         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
26114         before emitting functions.
26115
26116         PR gcov-profile/50127
26117         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
26118         clear_aux_for_blocks.
26119
26120 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
26121
26122         PR debug/51746
26123         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
26124
26125 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
26126
26127         * c-decl.c (ext_block): Moved up.
26128         (collect_all_refs, for_each_global_decl): Take ext_block into account.
26129
26130 2012-01-06  Han Shen  <shenhan@google.com>
26131
26132         Translate built-in include paths for sysroot.
26133         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
26134         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
26135
26136         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
26137         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
26138
26139         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
26140         control whether sysroot should be prepended to gxx include dir.
26141
26142         * configure: Regenerate.
26143
26144 2012-01-06  Torvald Riegel  <triegel@redhat.com>
26145
26146         PR rtl-optimization/51771
26147         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
26148         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
26149
26150 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
26151
26152         PR tree-optimization/51315
26153         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
26154         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
26155
26156 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
26157
26158         PR target/51681
26159         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
26160         for shrp pattern.  Correctly handle and fixup shift variable.
26161         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
26162
26163 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
26164
26165         PR debug/51762
26166         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
26167         note when !ACCUMULATE_OUTGOING_ARGS.
26168
26169 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
26170
26171         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
26172         condition.
26173         (extract_range_from_unary_expr_1): Avoid useless computations.
26174
26175 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
26176
26177         PR rtl-optimization/51767
26178         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
26179         of jump_block and add an extra edge for degenerated asm gotos.
26180
26181         PR middle-end/51768
26182         * stmt.c (check_unique_operand_names): Don't ICE during error
26183         reporting if i is from labels chain.
26184
26185         PR middle-end/44777
26186         * profile.c (branch_prob): Split bbs that have exit edge
26187         and need a fake entry edge too.
26188
26189 2012-01-05  Jan Hubicka  <jh@suse.cz>
26190
26191         PR middle-end/49710
26192         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
26193         unlooping loops.
26194
26195 2012-01-05  Richard Guenther  <rguenther@suse.de>
26196
26197         PR lto/50490
26198         * tree-streamer-out.c (write_ts_optimization): New function.
26199         (streamer_write_tree_body): Call it.
26200         * tree-streamer-in.c (lto_input_ts_optimization): New function.
26201         (streamer_read_tree_body): Call it.
26202         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
26203
26204 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
26205
26206         PR middle-end/51761
26207         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
26208         * gimplify.c (gimplify_cleanup_point_expr): Save and set
26209         in_cleanup_point_expr before gimplify_stmt call and restore it
26210         afterwards.
26211         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
26212         in_cleanup_point_expr is false.
26213
26214 2012-01-05  Richard Guenther  <rguenther@suse.de>
26215
26216         PR middle-end/51764
26217         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
26218         to c.opt.
26219         * toplev.c (process_options): Reject combining mudflap and LTO.
26220         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
26221
26222 2012-01-05  Richard Guenther  <rguenther@suse.de>
26223
26224         PR tree-optimization/51760
26225         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
26226         not VARYING.
26227         (bit_value_unop): Handle UNDEFINED operands.
26228         (bit_value_binop): Likewise.
26229
26230 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
26231
26232         * config/avr/avr.c (avr_replace_prefix): Remove.
26233         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
26234         (avr_asm_function_rodata_section): Ditto.
26235         (avr_asm_select_section): Ditto.
26236
26237 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
26238
26239         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
26240         insertion.
26241
26242 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
26243
26244         PR bootstrap/51648
26245         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
26246         calls that have any non-fake successor edges.
26247
26248         PR debug/51746
26249         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
26250
26251 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
26252
26253         PR tree-optimization/51624
26254         * tree-sra.c (build_ref_for_model): When replicating a chain of
26255         COMPONENT_REFs, stop as soon as the offset would become negative.
26256
26257 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
26258
26259         PR debug/51695
26260         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
26261         in .debug_loc on the floor.
26262
26263 2012-01-04  Andrew Pinski  <apinski@cavium.com>
26264
26265         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
26266
26267 2012-01-04  Andrew Pinski  <apinski@cavium.com>
26268             Adam Nemet  <anemet@caviumnetworks.com>
26269
26270         * config/mips/mips.md (size): Add SI and DI.
26271         (SIZE): New mode attribute.
26272         (U): New code attribute.
26273         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
26274         (mips_lbux_<mode>): Delete.
26275         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
26276         (mips_lhx): Use gen_mips_lhx_extsi.
26277         (mips_lhx_<mode>): Delete.
26278         (mips_lwx): Delete.
26279         (mips_l<size>x): New expand.
26280         (mips_lwx_<mode>): Delete.
26281         (mips_l<GPR:size>x_<P:mode>): New pattern.
26282         (*mips_lw<u>x_<P:mode>_ext): Likewise.
26283         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
26284         * config/mips/mips.c (mips_lx_address_p): New function.
26285         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
26286         (dsp64): New availability predicate.
26287         (mips_builtins): Add an entry for __builtin_mips_ldx.
26288         * config/mips/mips.h (ISA_HAS_LBX): New define.
26289         (ISA_HAS_LBUX): Likewise.
26290         (ISA_HAS_LHX): Likewise.
26291         (ISA_HAS_LHUX): Likewise.
26292         (ISA_HAS_LWX): Likewise.
26293         (ISA_HAS_LWUX): Likewise.
26294         (ISA_HAS_LDX): Likewise.
26295         * doc/extend.texi (__builtin_mips_ldx): Document.
26296
26297 2012-01-04  Tristan Gingold  <gingold@adacore.com>
26298
26299         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
26300         when long pointers are used.
26301         * config.build (*-*-*vms*): Handle all OpenVMS targets.
26302         (alpha64-dec-*vms*, alpha*-dec-*vms*)
26303         (ia64-hp-*vms*): Remove.
26304         * config/vms/xm-vms64.h: Delete.
26305
26306 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
26307
26308         PR middle-end/51472
26309         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
26310
26311 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
26312
26313         * opts.c (finish_options): Remove duplicate sorry.
26314
26315 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
26316
26317         PR middle-end/51696
26318         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
26319         correctly.
26320
26321 2012-01-04  Richard Guenther  <rguenther@suse.de>
26322
26323         PR middle-end/51750
26324         * tree.c (size_low_cst): New function.
26325         * tree.h (size_low_cst): Declare.
26326         * fold-const.c (fold_comparison): Use it to extract the low
26327         part of the POINTER_PLUS_EXPR offset.
26328
26329 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
26330
26331         Fix clearing ZERO_REG
26332         * config/avr/avr.md (cc): Add alternative "ldi".
26333         (movqi_insn): Use it in cc attribute.
26334         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
26335         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
26336         (output_reload_insisf): Use ZERO_REG to pre-clear register.
26337
26338 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
26339
26340         * configure: Regenerate.
26341
26342 2012-01-04  Richard Guenther  <rguenther@suse.de>
26343
26344         PR tree-optimization/49651
26345         * tree-ssa-structalias.c (type_can_have_subvars): New function.
26346         (var_can_have_subvars): Use it.
26347         (get_constraint_for_1): Only consider subfields if there can be any.
26348
26349 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
26350
26351         PR bootstrap/51725
26352         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
26353         to its new canonical_cselib_val and the cselib_val was in
26354         first_containing_mem chain, but the canonical_cselib_val was not,
26355         add the latter into the chain.
26356         (cselib_invalidate_mem): Compare canonical_cselib_val of
26357         addr_list chain elt with v.
26358
26359         PR pch/51722
26360         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
26361         dwarf2out_undef): Allocate e.info using ggc_strdup instead
26362         of xstrdup.
26363         (output_macinfo_op): Don't ggc_strdup fd->filename.
26364         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
26365         then ggc_strdup it.  Don't free inc->info or cur->info.
26366         (output_macinfo): Don't free ref->info or file->info.
26367
26368 2012-01-03  Ira Rosen  <irar@il.ibm.com>
26369
26370         PR tree-optimization/51269
26371         * tree-vect-loop-manip.c (set_prologue_iterations): Make
26372         first_niters a pointer.
26373         (slpeel_tree_peel_loop_to_edge): Likewise.
26374         (vect_do_peeling_for_loop_bound): Update call to
26375         slpeel_tree_peel_loop_to_edge.
26376         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
26377         here.  Remove it from the parameters list.
26378         (vect_do_peeling_for_alignment): Update calls and compute
26379         wide_prolog_niters.
26380
26381 2012-01-03  Richard Guenther  <rguenther@suse.de>
26382
26383         PR tree-optimization/51070
26384         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
26385         Properly handle calls.
26386
26387 2012-01-03  Richard Guenther  <rguenther@suse.de>
26388
26389         PR tree-optimization/51692
26390         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
26391         the LHS of allocation stmts.
26392
26393 2012-01-03  Olivier Hainque  <hainque@adacore.com>
26394
26395         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
26396
26397 2012-01-03  Olivier Hainque  <hainque@adacore.com>
26398
26399         * collect2.c (main): In AIX specific computations for vector
26400         insertions, use CONST_CAST2 to cast from char ** to const char **.
26401
26402 2012-01-03  Richard Guenther  <rguenther@suse.de>
26403
26404         PR debug/51650
26405         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
26406         the context of a limbo DIE when it does not already exist.
26407
26408 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
26409
26410         PR tree-optimization/51719
26411         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
26412         but direct call is, clear direct call's lhs and don't add fallthrough
26413         edge from dcall_bb to join_bb and PHIs.
26414
26415 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
26416
26417         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
26418         the instructions emitted by the pattern.
26419         ("*TDC_insn_<mode>"): Add comment.
26420
26421 2012-01-03  Richard Guenther  <rguenther@suse.de>
26422
26423         PR middle-end/51730
26424         * fold-const.c (fold_comparison): Properly canonicalize
26425         tree offset and HOST_WIDE_INT bit position.
26426
26427 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
26428
26429         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
26430         operands for extzv pattern.
26431
26432 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
26433
26434         PR bootstrap/51725
26435         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
26436         on mem_elt first.
26437
26438 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
26439
26440         * doc/invoke.texi (-flto and related options): Copy-edit.
26441
26442 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
26443
26444         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
26445
26446 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
26447
26448         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
26449         New patterns.
26450
26451 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
26452
26453         * expr.h (move_by_pieces_ninsns): Declare.
26454         * expr.c (move_by_pieces_ninsns): Make external.
26455         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
26456         (mips_store_by_pieces_p): Likewise.
26457         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
26458         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
26459         * config/mips/mips.c (mips_move_by_pieces_p): New function.
26460         (mips_store_by_pieces_p): Likewise.
26461
26462 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
26463
26464         * passes.c (register_one_dump_file): Free full_name.
26465
26466         * reload1.c (reload): Don't allocate reg_max_ref_width here.
26467         (calculate_elim_costs_all_insns): Free offsets_at and
26468         offsets_known_at at the end and clear the pointers.
26469
26470 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
26471
26472         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
26473         this option introduced in r180739.
26474
26475 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
26476
26477         PR target/51345
26478         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
26479         (tmake_file target=avr): Add avr/t-multilib.
26480
26481         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
26482         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
26483         * config/avr/genmultilib.awk: New file.
26484         * config/avr/t-multilib: New auto-generated file.
26485         * config/avr/multilib.h: New auto-generated file.
26486         * config/avr/t-avr (AVR_MCUS): New variable.
26487         (genopt.sh): Use it.
26488         (s-mlib): Depend on t-multilib.
26489         (t-multilib, multilib.h): New dependencies.
26490         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
26491         (MULTILIB_OPTIONS): Remove.
26492         (MULTILIB_MATCHES): Remove.
26493         (MULTILIB_DIRNAMES): Remove.
26494         (MULTILIB_EXCEPTIONS): Remove:
26495         * config/avr/genopt.sh: Don't use hard coded file name;
26496         pass AVR_MCUS from t-avr instead.
26497
26498 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
26499
26500         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
26501
26502 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
26503
26504         Implement light-weight DImode support.
26505         * config/avr/avr-dimode.md: New file.
26506         * config/avr/avr.md: Include it.
26507         (adjust_len): Add plus64, compare64.
26508         (HIDI): Remove code iterator.
26509         (code_stdname): New code attribute.
26510         (rotx, rotsmode): Remove DI.
26511         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
26512         as code iterator.
26513         * config/avr/avr-protos.h (avr_have_dimode): New.
26514         (avr_out_plus64, avr_out_compare64): New.
26515         * config/avr/avr.c (avr_out_compare): Handle DImode.
26516         (avr_have_dimode): New variable definition and initialization.
26517         (avr_out_compare64, avr_out_plus64): New functions.
26518         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
26519         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
26520         (avr_compare_pattern): Skip DImode comparisons.
26521
26522 2012-01-02  Revital Eres  <revital.eres@linaro.org>
26523
26524         * ddg.c (def_has_ccmode_p): New function.
26525         (add_cross_iteration_register_deps,
26526         create_ddg_dep_from_intra_loop_link): Call it.
26527
26528 2012-01-02  Richard Guenther  <rguenther@suse.de>
26529
26530         PR other/51679
26531         * invoke.texi (fassociative-math): Remove spurious paranthesis.
26532
26533 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
26534
26535         * gcc.c (process_command): Update copyright notice dates.
26536         * gcov.c (print_version): Likewise.
26537         * gcov-dump.c (print_version): Likewise.
26538         * mips-tfile.c (main): Likewise.
26539         * mips-tdump.c (main): Likewise.
26540
26541 2012-01-01  Ira Rosen  <irar@il.ibm.com>
26542
26543         PR tree-optimization/51704
26544         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
26545         a use is inside the basic block or loop before accessing its vect info.
26546
26547 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
26548
26549         PR rtl-optimization/51069
26550         * cfgloopmanip.c (remove_path): Removing path making irreducible
26551         region unconditional makes BB part of the region.
26552
26553 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
26554
26555         PR tree-optimization/51683
26556         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
26557         calls with side-effects.
26558         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
26559 \f
26560 Copyright (C) 2012 Free Software Foundation, Inc.
26561
26562 Copying and distribution of this file, with or without modification,
26563 are permitted in any medium without royalty provided the copyright
26564 notice and this notice are preserved.