Fix up PR number - PR c++/37346
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2008-09-03  Jakub Jelinek  <jakub@redhat.com>
2
3         PR c++/37346
4         * gimple.h (gimple_has_substatements): GIMPLE_OMP_CRITICAL has
5         substatements.
6         * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_CRITICAL.
7
8 2008-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
9
10         From Michael Frysinger  <michael.frysinger@analog.com>
11         * config/bfin/bfin.c (bfin_cpus[]): Add 0.1 for bf522, bf523, bf524,
12         bf525, bf526, bf527, bf542, bf544, bf547, bf548, and bf549.  Add 0.2
13         for bf538.
14
15 2008-09-03  Hari Sandanagobalane  <hariharan@picochip.com>
16
17         Add picoChip port.
18         * doc/extend.texi: Document picoChip builtin functions.
19         * doc/invoke.texi: Document picoChip options.
20         * doc/contrib.texi: Add picoChip contribution.
21         * doc/md.texi: Document picoChip constraints.
22         * config.gcc: Add picochip-*-*.
23         * config/picochip/: Add new port.
24
25 2008-09-03  Richard Guenther  <rguenther@suse.de>
26
27         PR tree-optimization/37328
28         * tree-sra.c (sra_build_assignment): Gimplify properly.
29         (generate_copy_inout): Take the correct stmt as definition,
30         remove bogus assert.
31
32 2008-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
33
34         * config/bfin/bfin.c (bfin_expand_prologue): Honour no_stack_limit
35         attributes.
36
37         From Michael Frysinger  <michael.frysinger@analog.com>
38         * config/bfin/bfin.c (bfin_handle_option): Remove BF561 warning.
39
40 2008-09-03 Danny Smith  <dannysmith@usrs.sourceforge.net>
41
42         * gthr-win32.h (CONST_CAST2): Really make sure CONST_CAST2 is
43         defined.
44         (__gthread_setspecific): Revert 2008-08-31 change to
45         __GTHREAD_HIDE_W32API case.  Apply it to !__GTHREAD_HIDE_W32API
46         case.
47
48 2008-09-02  Aldy Hernandez  <aldyh@redhat.com>
49
50         * diagnostic.c (error_at): New.
51         * toplev.h (error_at): New prototype.
52         * c-typeck.c (build_array_ref): Call error_at instead of error.
53         Pass location to pedwarn.
54
55 2008-09-02  Adam Nemet  <anemet@caviumnetworks.com>
56
57         * sel-sched.c (sel_hard_regno_rename_ok): Mark arguments unused.
58
59 2008-09-02  Jakub Jelinek  <jakub@redhat.com>
60
61         * dwarf2out.c (tree_add_const_value_attribute): Only handle
62         VAR_DECL and CONST_DECL.
63
64 2008-09-02  H.J. Lu  <hongjiu.lu@intel.com>
65             Jakub Jelinek  <jakub@redhat.com>
66
67         * config/i386/i386.c (X86_64_VARARGS_SIZE): Removed.
68         (setup_incoming_varargs_64): Assume cum != NULL. Set/check
69         ix86_varargs_gpr_size and ix86_varargs_fpr_size.  Use
70         ix86_varargs_gpr_size instead of X86_64_REGPARM_MAX.
71         Don't set ix86_save_varrargs_registers.
72         (ix86_setup_incoming_varargs): Assume cum != NULL.
73         (ix86_va_start): Check ix86_varargs_gpr_size and
74         ix86_varargs_fpr_size instead of cfun->va_list_gpr_size and
75         cfun->va_list_fpr_size, respectively.  Subtract 8*X86_64_REGPARM_MAX
76         from frame pointer if ix86_varargs_gpr_size == 0.
77         (ix86_compute_frame_layout): Updated.
78         * config/i386/i386.h (ix86_save_varrargs_registers): Removed.
79         (ix86_varargs_gpr_size): Define.
80         (ix86_varargs_fpr_size): Likewise.
81         (machine_function): Remove save_varrargs_registers.
82         Add varargs_gpr_size and varargs_fpr_size.
83
84 2008-09-02  Jakub Jelinek  <jakub@redhat.com>
85
86         * config/alpha/alpha.c (va_list_skip_additions,
87         alpha_stdarg_optimize_hook, alpha_gimplify_va_arg_1): Tuplify.
88         (alpha_gimplify_va_arg): Call unshare_expr on second use of
89         offset_field.
90
91         PR tree-optimization/36766
92         * tree-cfg.c (gimple_purge_all_dead_eh_edges): Do nothing
93         for already removed basic blocks.
94
95         PR target/36332
96         * real.c (real_maxval): Clear a lower bit to make real_maxval
97         match get_max_float for IBM long double format.
98
99 2008-09-02  Andreas Schwab  <schwab@suse.de>
100
101         * configure.ac: Use m4_quote to quote the expansion of m4_do.
102         * configure: Regenerate.
103
104 2008-09-02  Richard Sandiford  <rdsandiford@googlemail.com>
105
106         * simplify-rtx.c (simplify_binary_operation_1): Check for CONST,
107         SYMBOL_REF and LABEL_REF when applying plus_constant, instead of
108         checking for a non-VOID CONSTANT_P.
109
110 2008-09-02  Jan Hubicka  <jh@suse.cz>
111
112         * predict.c (pass_strip_predict_hints): Avoid bugs dump file.
113         * expmed.c (expand_divmod): Fix test of smod_pow2_cheap and sdiv_pow2_cheap
114
115 2008-09-02  H.J. Lu  <hongjiu.lu@intel.com>
116
117         * expr.c (emit_group_store): Don't assert stack temp mode size.
118
119 2008-09-02  Sebastian Pop  <sebastian.pop@amd.com>
120             Tobias Grosser  <grosser@fim.uni-passau.de>
121             Jan Sjodin  <jan.sjodin@amd.com>
122             Harsha Jagasia  <harsha.jagasia@amd.com>
123             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
124             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
125             Adrien Eliche  <aeliche@isty.uvsq.fr>
126
127         Merge from graphite branch.
128         * graphite.c: New.
129         * graphite.h: New.
130         * tree-loop-linear.c (perfect_loop_nest_depth): Export.
131         * doc/invoke.texi (-floop-block, -floop-interchange,
132         -floop-strip-mine): Document new flags.
133         * tree-into-ssa.c (gimple_vec): Moved...
134         * tree-loop-distribution.c (rdg_component): Moved...
135         * cfgloopmanip.c: Include tree-flow.h.
136         (update_dominators_in_loop): New.
137         (create_empty_if_region_on_edge): New.
138         (create_empty_loop_on_edge): New.
139         (loopify): Use update_dominators_in_loop.
140         * tree-pass.h (pass_graphite_transforms): Declared.
141         * configure: Regenerate.
142         * tree-phinodes.c (make_phi_node): Export.
143         (add_phi_node_to_bb): New, split from create_phi_node.
144         * tree-chrec.c (for_each_scev_op): New.
145         * tree-chrec.h (for_each_scev_op): Declared.
146         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
147         (remove_statement): Call get_phi_with_result.
148         * config.in (HAVE_cloog): Undef.
149         * gdbinit.in (pgg): New.
150         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
151         * tree-ssa-loop.c (graphite_transforms): New.
152         (gate_graphite_transforms): New.
153         (pass_graphite_transforms): New.
154         * configure.ac (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC,
155         HAVE_cloog): Defined.
156         * tree-vectorizer.c (rename_variables_in_bb): Export.
157         * tree-data-ref.c (dr_may_alias_p): Export.
158         (stmt_simple_memref_p): New.
159         (find_data_references_in_stmt): Export.
160         (find_data_references_in_loop): Export.
161         (create_rdg_edge_for_ddr): Initialize RDGE_RELATION.
162         (create_rdg_edges_for_scalar): Initialize RDGE_RELATION.
163         (create_rdg_vertices): Export.
164         (build_empty_rdg): New.
165         (build_rdg): Call build_empty_rdg.  Free dependence_relations.
166         * tree-data-ref.h (rdg_component): ... here.
167         (scop_p): New.
168         (struct data_reference): Add a field scop.
169         (DR_SCOP): New.
170         (find_data_references_in_loop): Declared.
171         (find_data_references_in_stmt): Declared.
172         (create_rdg_vertices): Declared.
173         (dr_may_alias_p): Declared.
174         (stmt_simple_memref_p): Declared.
175         (struct rdg_edge): Add a field ddr_p relation.
176         (build_empty_rdg): Declared.
177         * lambda.h (lambda_matrix): Declare a VEC of.
178         (find_induction_var_from_exit_cond): Declared.
179         (lambda_vector_compare): New.
180         * common.opt (fgraphite, floop-strip-mine,
181         floop-interchange, floop-block): New flags.
182         * lambda-code.c (find_induction_var_from_exit_cond): Export.
183         * cfgloop.c (is_loop_exit): New.
184         * cfgloop.h (is_loop_exit): Declared.
185         (create_empty_if_region_on_edge): Declared.
186         (create_empty_loop_on_edge): Declared.
187         * tree-flow.h (add_phi_node_to_bb): Declared.
188         (make_phi_node): Declared.
189         (rename_variables_in_bb): Declared.
190         (perfect_loop_nest_depth): Declared.
191         (graphite_transform_loops): Declared.
192         * Makefile.in (cfgloopmanip.o): Depend on TREE_FLOW_H.
193         (graphite.o-warn): Add -Wno-error.
194         (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC): Declared.
195         (LIBS): Add GMPLIBS, CLOOGLIBS, PPLLIBS.
196         (INCLUDES): Add PPLINC, CLOOGINC.
197         (OBJS-common): Add graphite.o.
198         (graphite.o): Add rule.
199         * gimple.h (gimple_vec): ... here.
200         * tree-cfg.c (print_loops): Start printing at ENTRY_BLOCK_PTR.
201         * passes.c (init_optimization_passes): Schedule 
202         pass_graphite_transforms.
203
204 2008-09-02  Samuel Tardieu  <sam@rfc1149.net>
205
206         PR target/37283
207         * opts.c (decode_options): Move processing of -fno-unit-at-a-time
208         and -fno-toplevel-reorder after handle_options.
209
210 2008-09-02  Paul Brook  <paul@codesourcery.com>
211
212         * config/arm/arm.c (arm_tune_cortex_a9): Define.
213         (arm_override_options): Set arm_tune_cortex_a9.
214         (arm_rtx_costs_1): Make register shifts more expensive on Cortex-A9.
215         (arm_issue_rate): Handle cortexa9.
216         * config/arm/arm.h (arm_tune_cortex_a9): Declare.
217         * config/arm/arm-cores.def: Add cortex-a9.
218         * config/arm/arm-tune.md: Regenerate.
219         * config/arm/arm.md: Include cortex-a9.md.
220         (generic_sched, generic_vfp): Add cortexa9.
221         * config/arm/cortex-a9.md: New file.
222
223 2008-09-02  Richard Guenther  <rguenther@suse.de>
224
225         PR tree-optimization/37327
226         * tree-vrp.c (register_new_assert_for): Make sure to not have
227         TREE_OVERFLOW set on the bound.
228
229 2008-09-02  Alexander Monakov  <amonakov@ispras.ru>
230
231         Fixed typo in date of the 2008-09-01 MOVE_RATIO commit.
232
233         * config/ia64/ia64.opt (msched-ar-data-spec): Default to 1.
234         * config/ia64/ia64.c (ia64_set_sched_flags): Always initialize
235         spec_info->mask.
236
237 2008-09-02  Victor Kaplansky  <victork@il.ibm.com>
238
239         * gcc/config/spu/spu.md (divdf3): Removed.
240
241 2008-09-02  Jakub Jelinek  <jakub@redhat.com>
242
243         PR tree-optimization/37095
244         * cgraph.c (cgraph_node): When creating new cgraph node after
245         assembler_name_hash has been populated, record it in the hash
246         table.
247
248 2008-09-01  Paul Brook  <paul@codesourcery.com>
249
250         * doc/invoke.texi: Document -mword-relocations.
251         * config/arm/uclinux-elf.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
252         * config/arm/symbian.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
253         * config/arm/vxworks.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
254         * config/arm/arm.c (arm_split_constant): Use arm_emit_movpair.
255         (arm_rtx_costs_1, arm_size_rtx_costs): Handle HIGH and LO_SUM.
256         (arm_emit_movpair): New function.
257         (arm_print_operand <c>): Handle sybolic addresses.
258         * config/arm/arm.h (TARGET_USE_MOVT): Define.
259         (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
260         * config/arm/arm-protos.h (arm_emit_movpair): Add prototype.
261         * config/arm/arm.opt: Add -mword-relocations.
262         * config/arm/arm.md (movsi): Use arm_emit_movpair.
263         (arm_movt, arm_movw): New.
264
265 2008-09-01  Paul Brook  <paul@codesourcery.com>
266
267         * config/arm/arm.c (arm_override_options): Set arm_abi earlier.
268         Allow Interworking on ARMv4 EABI based targets.
269         * config/arm/bpabi.h (TARGET_FIX_V4BX_SPEC): Define.
270         (SUBTARGET_EXTRA_ASM_SPEC, LINK_SPEC): Add TARGET_FIX_V4BX_SPEC.
271
272 2008-09-01  Paul Brook  <paul@codesourcery.com>
273
274         * config/arm/thumb2.md (thumb2_negscc): Match the correct operand for
275         optimized LT0 test.  Remove optimization for GT.
276
277 2008-09-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
278
279         * pa64-hpux.h (LIB_SPEC): Link against librt when building static
280         openmp applications.
281         * pa-hpux11.h (LIB_SPEC): Likewise.
282
283         * ira.c (setup_eliminable_regset): Only declare i if ELIMINABLE_REGS is
284         defined.
285
286 2008-09-01  Jan Hubicka  <jh@suse.cz>
287
288         * predict.c (maybe_hot_count_p, maybe_hot_edge_p): When profile is
289         present, use only counts; when guessed use only frequencies.
290         (estimate_bb_frequencies): Use function_frequency.
291         * profile.c (compute_branch_probabilities): Exit early when
292         profile reading failed. Set profile_status.
293         (branch_prob): Do not set profile_status.
294
295 2008-09-01  Aldy Hernandez  <aldyh@redhat.com>
296
297         * tree.c (protected_set_expr_location): New.
298         * tree.h (protected_set_expr_location): New prototype.
299         * c-tree.h (build_array_ref): Add argument.
300         (parser_build_unary_op): Same.
301         * c-typeck.c (build_indirect_ref): Handle new location argument.
302         (build_array_ref): Same.
303         (parser_build_unary_op): Same.
304         * gimplify.c (gimplify_asm_expr): Set input_location before calling
305         error.
306         * c-omp.c (c_finish_omp_atomic): Pass location when calling
307         build_indirect_ref.
308         * c-common.c (finish_label_address_expr): Handle new location
309         argument.
310         * c-common.h (build_indirect_ref): Add argument.
311         (finish_label_address_expr): Same.
312         * c-parser.c (c_parser_unary_expression): Pass location to build
313         functions.
314         (c_parser_postfix_expression): Same.
315
316 2008-09-01  Paul Brook  <paul@codesourcery.com>
317
318         * config/arm/arm.md: Include cortex-r4f.md.
319         (attr fpu): Update type list.
320         (attr type): Add fcpys, ffariths, ffarithd, fadds, faddd, fconsts,
321         fconstd, fcmps and fcmpd.
322         (attr tune_cortexr4): Define.
323         (attr generic_sched, attr generic_vfp): Use tune_cortexr4.
324         * config/arm/vfp.md: Document fcpys, ffariths, ffarithd, fadds, faddd,
325         fconsts, fconstd, fcmps and fcmpd.  Use them in insn patterns.
326         * config/arm/arm.c (arm_issue_rate): Add cortexr4f.
327         * config/arm/arm1020e.md (v10_ffarith, v10_farith): Use new insn
328         types.
329         * config/arm/cortex-a8-neon.md (cortex_a8_vfp_add_sub,
330         cortex_a8_vfp_farith: Ditto.
331         * config/arm/vfp11.md (vfp_ffarith, vfp_farith): Ditto.
332         * config/arm/cortex-r4.md: Use tune_cortexr4.
333         * config/arm/cortex-r4f.md: New file.
334
335 2008-09-01  Richard Guenther  <rguenther@suse.de>
336
337         PR tree-optimization/37305
338         * tree-ssa-ccp.c (ccp_fold): Do not set TREE_OVERFLOW on
339         the result of constant conversions.
340         (fold_gimple_assign): Likewise.
341
342 2008-09-01  Andrey Belevantsev  <abel@ispras.ru>
343
344         * sel-sched-ir.c (cmp_v_in_regset_pool): Surround with
345         #ifdef ENABLE_CHECKING.
346
347 2008-09-01  Andrey Belevantsev  <abel@ispras.ru>
348
349         * sel-sched-dump.c: Surround with #ifdef INSN_SCHEDULING.
350         * sched-int.h (print_insn, print_pattern, print_value): Declare also
351         when !INSN_SCHEDULING.
352
353 2008-09-01  Andreas Schwab  <schwab@suse.de>
354
355         * config/ia64/ia64.c (TARGET_ADDRESS_COST): Update.
356
357 2008-09-01  Paul Brook  <paul@codesourcery.com>
358
359         * config/arm/arm.c (arm_no_early_mul_dep): Handle multiply-subtract.
360
361 2008-09-01  Jan Hubicka  <jh@suse.cz>
362
363         * config/spu/spu.c (spu_expand_block_move) Update call of MOVE_RATIO.
364
365         * expr.c (MOVE_BY_PIECES_P, CLEAR_BY_PIECES_P, SET_BY_PIECES_P): Pass speed operand.
366         * expr.h (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Update.
367         * gimplify.c (gimplify_init_constructor): Add speed operand.
368         * tree-sra.c (decide_block_copy): Likewise.
369         * tree-inline.c (estimate_move_cost): Likewise.
370         * config/alpha/alpha.h (MOVE_RATIO): Update.
371         * config/frv/frv.c (MOVE_RATIO): Update.
372         * config/spu/spu.h (MOVE_RATIO): Update.
373         * config/sparc/sparc.h (MOVE_RATIO): Update.
374         * config/i386/i386.h (MOVE_RATIO, CLEAR_RATIO): Update.
375         * config/m68hc11/m68hc11.h (MOVE_RATIO): Update.
376         * config/cris/cris.h (MOVE_RATIO): Update.
377         * config/mn10300/mn10300.h (MOVE_RATIO): Update.
378         * config/arm/arm.h (MOVE_RATIO): Update.
379         * config/pa/pa.md: Update uses of MOVE_RATIO
380         * config/pa/pa.h (MOVE_RATIO): Update.
381         * config/mips/mips.h (MOVE_RATIO, MOVE_BY_PIECES, CLEAR_RATIO, SET_RATIO): Update.
382         * config/h8300/h8300.h (MOVE_RATIO): Update.
383         * config/v850/v850.h (MOVE_RATIO): Update.
384         * config/bfin/bfin.h (MOVE_RATIO): Update.
385
386 2008-08-31  Andrey Belevantsev  <abel@ispras.ru>
387         Dmitry Melnik  <dm@ispras.ru>
388         Dmitry Zhurikhin  <zhur@ispras.ru>
389         Alexander Monakov  <amonakov@ispras.ru>
390         Maxim Kuvyrkov  <maxim@codesourcery.com>
391
392         * sel-sched.h, sel-sched-dump.h, sel-sched-ir.h, sel-sched.c,
393         sel-sched-dump.c, sel-sched-ir.c: New files.
394         * Makefile.in (OBJS-common): Add selective scheduling object
395         files.
396         (sel-sched.o, sel-sched-dump.o, sel-sched-ir.o): New entries.
397         (SEL_SCHED_IR_H, SEL_SCHED_DUMP_H): New entries.
398         (sched-vis.o): Add dependency on $(INSN_ATTR_H).
399         * cfghooks.h (get_cfg_hooks, set_cfg_hooks): New prototypes.
400         * cfghooks.c (get_cfg_hooks, set_cfg_hooks): New functions.
401         (make_forwarder_block): Update loop latch if we have redirected
402         the loop latch edge.
403         * cfgloop.c (get_loop_body_in_custom_order): New function.
404         * cfgloop.h (LOOPS_HAVE_FALLTHRU_PREHEADERS): New enum field.
405         (CP_FALLTHRU_PREHEADERS): Likewise.
406         (get_loop_body_in_custom_order): Declare.
407         * cfgloopmanip.c (has_preds_from_loop): New.
408         (create_preheader): Honor CP_FALLTHRU_PREHEADERS.
409         Assert that the preheader edge will be fall thru when it is set.
410         * common.opt (fsel-sched-bookkeeping, fsel-sched-pipelining,
411         fsel-sched-pipelining-outer-loops, fsel-sched-renaming,
412         fsel-sched-substitution, fselective-scheduling): New flags.
413         * cse.c (hash_rtx_cb): New.
414         (hash_rtx): Use it.
415         * dbgcnt.def (sel_sched_cnt, sel_sched_region_cnt,
416         sel_sched_insn_cnt): New counters.
417         * final.c (compute_alignments): Export.  Free dominance info after loop_optimizer_finalize.
418         * genattr.c (main): Output maximal_insn_latency prototype.
419         * genautomata.c (output_default_latencies): New. Factor its code from ...
420         (output_internal_insn_latency_func): ... here.
421         (output_internal_maximal_insn_latency_func): New.
422         (output_maximal_insn_latency_func): New.
423         * hard-reg-set.h (UHOST_BITS_PER_WIDE_INT): Define unconditionally.
424         (struct hard_reg_set_iterator): New.
425         (hard_reg_set_iter_init, hard_reg_set_iter_set,
426         hard_reg_set_iter_next): New functions.
427         (EXECUTE_IF_SET_IN_HARD_REG_SET): New macro.
428         * lists.c (remove_free_INSN_LIST_node,
429         remove_free_EXPR_LIST_node): New functions.
430         * loop-init.c (loop_optimizer_init): When LOOPS_HAVE_FALLTHRU_PREHEADERS,
431         set CP_FALLTHRU_PREHEADERS when calling create_preheaders.
432         (loop_optimizer_finalize): Do not verify flow info after reload.
433         * recog.c (validate_replace_rtx_1): New parameter simplify.
434         Default it to true.  Update all uses.  Factor out simplifying
435         code to ...
436         (simplify_while_replacing): ... this new function.
437         (validate_replace_rtx_part,
438         validate_replace_rtx_part_nosimplify): New.
439         * recog.h (validate_replace_rtx_part,
440         validate_replace_rtx_part_nosimplify): Declare.
441         * rtl.c (rtx_equal_p_cb): New.
442         (rtx_equal_p): Use it.
443         * rtl.h (rtx_equal_p_cb, hash_rtx_cb): Declare.
444         (remove_free_INSN_LIST_NODE, remove_free_EXPR_LIST_node,
445         debug_bb_n_slim, debug_bb_slim,    print_rtl_slim): Likewise.
446         * vecprim.h: Add a vector type for unsigned int.
447         * haifa-sched.c: Include vecprim.h and cfgloop.h.
448         (issue_rate, sched_verbose_param, note_list, dfa_state_size,
449         ready_try, cycle_issued_insns, spec_info): Make global.
450         (readyp): Initialize.
451         (dfa_lookahead): New global variable.
452         (old_max_uid, old_last_basic_block): Remove.
453         (h_i_d): Make it a vector.
454         (INSN_TICK, INTER_TICK, QUEUE_INDEX, INSN_COST): Make them work
455         through HID macro.
456         (after_recovery, adding_bb_to_current_region_p):
457         New variables to handle correct insertion of the recovery code.
458         (struct ready_list): Move declaration to sched-int.h.
459         (rgn_n_insns): Removed.
460         (rtx_vec_t): Move to sched-int.h.
461         (find_insn_reg_weight): Remove.
462         (find_insn_reg_weight1): Rename to find_insn_reg_weight.
463         (haifa_init_h_i_d, haifa_finish_h_i_d):
464         New functions to initialize / finalize haifa instruction data.
465         (extend_h_i_d, init_h_i_d): Rewrite.
466         (unlink_other_notes): Move logic to add_to_note_list.  Handle
467         selective scheduler.
468         (ready_lastpos, ready_element, ready_sort, reemit_notes,
469         find_fallthru_edge): Make global, remove static prototypes.
470         (max_issue): Make global.  Add privileged_n and state parameters.  Use
471         them.
472         (extend_global, extend_all): Removed.
473         (init_before_recovery): Add new param.  Fix the handling of the case
474         when we insert a recovery code before the EXIT which has a predecessor
475         with a fallthrough edge to it.
476         (create_recovery_block): Make global.  Rename to
477         sched_create_recovery_block.  Update.
478         (change_pattern): Rename to sched_change_pattern.  Make global.
479         (speculate_insn): Rename to sched_speculate_insn.  Make global.
480         Split haifa-specific functionality into ...
481         (haifa_change_pattern): New static function.
482         (sched_extend_bb): New static function.
483         (sched_init_bbs): New function.
484         (current_sched_info): Change type to struct haifa_sched_info.
485         (insn_cost): Adjust for selective scheduling.
486         (dep_cost_1): New function.  Move logic from ...
487         (dep_cost): ... here.
488         (dep_cost): Use dep_cost_1.
489         (contributes_to_priority_p): Use sched_deps_info instead of
490         current_sched_info.
491         (priority): Adjust to work with selective scheduling.  Process the
492         corner case when all dependencies don't contribute to priority.
493         (rank_for_schedule): Use ds_weak instead of dep_weak.
494         (advance_state): New function.  Move logic from ...
495         (advance_one_cycle): ... here.
496         (add_to_note_list, concat_note_lists): New functions.
497         (rm_other_notes): Make static.  Adjust for selective scheduling.
498         (remove_notes, restore_other_notes): New functions.
499         (move_insn): Add two arguments.  Update assert.  Don't call
500         reemit_notes.
501         (choose_ready): Remove lookahead variable, use dfa_lookahead.
502         Remove more_issue, max_points.  Move the code to initialize
503         max_lookahead_tries to max_issue.
504         (schedule_block): Remove rgn_n_insns1 parameter.  Don't allocate
505         ready.  Adjust use of move_insn.  Call restore_other_notes.
506         (luid): Remove.
507         (sched_init, sched_finish): Move Haifa-specific initialization/
508         finalization to ...
509         (haifa_sched_init, haifa_sched_finish): ... respectively.
510         New functions.
511         (setup_sched_dump): New function.
512         (haifa_init_only_bb): New static function.
513         (haifa_speculate_insn): New static function.
514         (try_ready): Use haifa_* instead of speculate_insn and
515         change_pattern.
516         (extend_ready, extend_all): Remove.
517         (sched_extend_ready_list, sched_finish_ready_list): New functions.
518         (create_check_block_twin, add_to_speculative_block): Use
519         haifa_insns_init instead of extend_global.  Update to use new
520         initialization functions.  Change parameter.  Factor out code from
521         create_check_block_twin to ...
522         (sched_create_recovery_edges) ... this new function.
523         (add_block): Remove.
524         (sched_scan_info): New.
525         (extend_bb): Use sched_scan_info.
526         (init_bb, extend_insn, init_insn, init_insns_in_bb, sched_scan): New
527         static functions for walking through scheduling region.
528         (sched_luids): New vector variable to replace uid_to_luid.
529         (luids_extend_insn): New function.
530         (sched_max_luid): New variable.
531         (luids_init_insn): New function.
532         (sched_init_luids, sched_finish_luids): New functions.
533         (insn_luid): New debug function.
534         (sched_extend_target): New function.
535         (haifa_init_insn): New static function.
536         (sched_init_only_bb): New hook.
537         (sched_split_block): New hook.
538         (sched_split_block_1): New function.
539         (sched_create_empty_bb): New hook.
540         (sched_create_empty_bb_1): New function.
541         (common_sched_info, ready): New global variables.
542         (current_sched_info_var): Remove.
543         (move_block_after_check): Use common_sched_info.
544         (haifa_luid_for_non_insn): New static function.
545         (init_before_recovery): Use haifa_init_only_bb instead of
546         add_block.
547         (increase_insn_priority): New.
548         * modulo-sched.c: (issue_rate): Remove static declaration.
549         (sms_sched_info): Change type to haifa_sched_info.
550         (sms_sched_deps_info, sms_common_sched_info): New variables.
551         (setup_sched_infos): New.
552         (sms_schedule): Initialize them.  Call haifa_sched_init/finish.
553         Do not call regstat_free_calls_crossed.
554         (sms_print_insn): Use const_rtx.
555         * params.def (PARAM_MAX_PIPELINE_REGION_BLOCKS,
556         PARAM_MAX_PIPELINE_REGION_INSNS, PARAM_SELSCHED_MAX_LOOKAHEAD,
557         PARAM_SELSCHED_MAX_SCHED_TIMES, PARAM_SELSCHED_INSNS_TO_RENAME,
558         PARAM_SCHED_MEM_TRUE_DEP_COST): New.
559         * sched-deps.c (sched_deps_info): New.  Update all relevant uses of
560         current_sched_info to use it.
561         (enum reg_pending_barrier_mode): Move to sched-int.h.
562         (h_d_i_d): New variable. Initialize to NULL.
563         ({true, output, anti, spec, forward}_dependency_cache): Initialize
564         to NULL.
565         (estimate_dep_weak): Remove static declaration.
566         (sched_has_condition_p): New function.  Adjust users of
567         sched_get_condition to use it instead.
568         (conditions_mutex_p): Add arguments indicating which conditions are
569         reversed.  Use them.
570         (sched_get_condition_with_rev): Rename from sched_get_condition.  Add
571         argument to indicate whether returned condition is reversed.  Do not
572         generate new rtx when condition should be reversed; indicate it by
573         setting new argument instead.
574         (add_dependence_list_and_free): Add deps parameter.
575         Update all users.  Do not free dependence list when
576         deps context is readonly.
577         (add_insn_mem_dependence, flush_pending_lists): Adjust for readonly
578         contexts.
579         (remove_from_dependence_list, remove_from_both_dependence_lists): New.
580         (remove_from_deps): New. Use the above functions.
581         (cur_insn, can_start_lhs_rhs_p): New static variables.
582         (add_or_update_back_dep_1): Initialize present_dep_type.
583         (haifa_start_insn, haifa_finish_insn, haifa_note_reg_set,
584         haifa_note_reg_clobber, haifa_note_reg_use, haifa_note_mem_dep,
585         haifa_note_dep): New functions implementing dependence hooks for
586         the Haifa scheduler.
587         (note_reg_use, note_reg_set, note_reg_clobber, note_mem_dep,
588         note_dep): New functions.
589         (ds_to_dt, extend_deps_reg_info, maybe_extend_reg_info_p): New
590         functions.
591         (init_deps): Initialize last_reg_pending_barrier and deps->readonly.
592         (free_deps): Initialize deps->reg_last.
593         (sched_analyze_reg, sched_analyze_1, sched_analyze_2,
594         sched_analyze_insn): Update to use dependency hooks infrastructure
595         and readonly contexts.
596         (deps_analyze_insn): New function.  Move part of logic from ...
597         (sched_analyze): ... here.  Also move some logic to ...
598         (deps_start_bb): ... here.  New function.
599         (add_forw_dep, delete_forw_dep): Guard use of INSN_DEP_COUNT with
600         sel_sched_p.
601         (sched_deps_init): New function.  Move code from ...
602         (init_dependency_caches): ... here.  Remove.
603         (init_deps_data_vector): New.
604         (sched_deps_finish): New function.  Move code from ...
605         (free_dependency_caches): ... here.  Remove.
606         (init_deps_global, finish_deps_global): Adjust for use with
607         selective scheduling.
608         (get_dep_weak): Move logic to ...
609         (get_dep_weak_1): New function.
610         (ds_merge): Move logic to ...
611         (ds_merge_1): New static function.
612         (ds_full_merge, ds_max_merge, ds_get_speculation_types): New functions.
613         (ds_get_max_dep_weak): New function.
614         * sched-ebb.c (sched_n_insns): Rename to sched_rgn_n_insns.
615         (n_insns): Rename to rgn_n_insns.
616         (debug_ebb_dependencies): New function.
617         (init_ready_list): Use it.
618         (begin_schedule_ready): Use sched_init_only_bb.
619         (ebb_print_insn): Indicate when an insn starts a new cycle.
620         (contributes_to_priority, compute_jump_reg_dependencies,
621         add_remove_insn, fix_recovery_cfg): Add ebb_ prefix to function names.
622         (add_block1): Remove to ebb_add_block.
623         (ebb_sched_deps_info, ebb_common_sched_info): New variables.
624         (schedule_ebb): Initialize them.  Use remove_notes instead of
625         rm_other_notes.  Use haifa_local_init/finish.
626         (schedule_ebbs): Use haifa_sched_init/finish.
627         * sched-int.h: Include vecprim.h, remove rtl.h.
628         (struct ready_list): Delete declaration.
629         (sched_verbose_param, enum sched_pass_id_t,
630         bb_vec_t, insn_vec_t, rtx_vec_t): New.
631         (struct sched_scan_info_def): New structure.
632         (sched_scan_info, sched_scan, sched_init_bbs,
633         sched_init_luids, sched_finish_luids, sched_extend_target,
634         haifa_init_h_i_d, haifa_finish_h_i_d): Declare.
635         (struct common_sched_info_def): New.
636         (common_sched_info, haifa_common_sched_info,
637         sched_emulate_haifa_p): Declare.
638         (sel_sched_p): New.
639         (sched_luids): Declare.
640         (INSN_LUID, LUID_BY_UID, SET_INSN_LUID): Declare.
641         (sched_max_luid, insn_luid): Declare.
642         (note_list, remove_notes, restore_other_notes, bb_note): Declare.
643         (sched_insns_init, sched_insns_finish, xrecalloc, reemit_notes,
644         print_insn, print_pattern, print_value, haifa_classify_insn,
645         sel_find_rgns, sel_mark_hard_insn, dfa_state_size, advance_state,
646         setup_sched_dump, sched_init, sched_finish,
647         sel_insn_is_speculation_check): Export.
648         (struct ready_list): Move from haifa-sched.c.
649         (ready_try, ready, max_issue): Export.
650         (ebb_compute_jump_reg_dependencies, find_fallthru_edge,
651         sched_init_only_bb, sched_split_block, sched_split_block_1,
652         sched_create_empty_bb, sched_create_empty_bb_1,
653         sched_create_recovery_block, sched_create_recovery_edges): Export.
654         (enum reg_pending_barrier_mode): Export.
655         (struct deps): New fields `last_reg_pending_barrier' and `readonly'.
656         (deps_t): New.
657         (struct sched_info): Rename to haifa_sched_info.  Use const_rtx for
658         print_insn field.  Move add_block and fix_recovery_cfg to
659         common_sched_info_def.  Move compute_jump_reg_dependencies, use_cselib  ...
660         (struct sched_deps_info_def): ... this new structure.
661         (sched_deps_info): Declare.
662         (struct spec_info_def): Remove weakness_cutoff, add
663         data_weakness_cutoff and control_weakness_cutoff.
664         (spec_info): Declare.
665         (struct _haifa_deps_insn_data): Split from haifa_insn_data.  Add
666         dep_count field.
667         (struct haifa_insn_data): Rename to struct _haifa_insn_data.
668         (haifa_insn_data_def, haifa_insn_data_t): New typedefs.
669         (current_sched_info): Change type to struct haifa_sched_info.
670         (haifa_deps_insn_data_def, haifa_deps_insn_data_t): New typedefs.
671         (h_d_i_d): New variable.
672         (HDID): New accessor macro.
673         (h_i_d): Change type to VEC (haifa_insn_data_def, heap) *.
674         (HID): New accessor macro.  Rewrite h_i_d accessor macros through HID
675         and HDID.
676         (IS_SPECULATION_CHECK_P): Update for selective scheduler.
677         (enum SCHED_FLAGS): Update for selective scheduler.
678         (enum SPEC_SCHED_FLAGS): New flag SEL_SCHED_SPEC_DONT_CHECK_CONTROL.
679         (init_dependency_caches, free_dependency_caches): Delete declarations.
680         (deps_analyze_insn, remove_from_deps, get_dep_weak_1,
681         estimate_dep_weak, ds_full_merge, ds_max_merge, ds_weak,
682         ds_get_speculation_types, ds_get_max_dep_weak, sched_deps_init,
683         sched_deps_finish, haifa_note_reg_set, haifa_note_reg_use,
684         haifa_note_reg_clobber, maybe_extend_reg_info_p, deps_start_bb,
685         ds_to_dt): Export.
686         (rm_other_notes): Delete declaration.
687         (schedule_block): Remove one argument.
688         (cycle_issued_insns, issue_rate, dfa_lookahead, ready_sort,
689         ready_element, ready_lastpos, sched_extend_ready_list,
690         sched_finish_ready_list, sched_change_pattern, sched_speculate_insn,
691         concat_note_lists): Export.
692         (struct region): Move from sched-rgn.h.
693         (nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
694         RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
695         BLOCK_TO_BB, CONTAINING_RGN): Export.
696         (ebb_head, BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB, INSN_BB): Likewise.
697         (current_nr_blocks, current_blocks, target_bb): Likewise.
698         (dep_cost_1, sched_is_disabled_for_current_region_p, sched_rgn_init,
699         sched_rgn_finish, rgn_setup_region, sched_rgn_compute_dependencies,
700         sched_rgn_local_init, extend_regions,
701         rgn_make_new_region_out_of_new_block, compute_priorities,
702         debug_rgn_dependencies, free_rgn_deps, contributes_to_priority,
703         extend_rgns, deps_join rgn_setup_common_sched_info,
704         rgn_setup_sched_infos, debug_regions, debug_region, dump_region_dot,
705         dump_region_dot_file, haifa_sched_init, haifa_sched_finish): Export.
706         (get_rgn_sched_max_insns_priority, sel_add_to_insn_priority,
707         increase_insn_priority): Likewise.
708         * sched-rgn.c: Include sel-sched.h.
709         (ref_counts): New static variable.  Use it ...
710         (INSN_REF_COUNT): ... here.  Rewrite and move closer to uses.
711         (FED_BY_SPEC_LOAD, IS_LOAD_INSN): Rewrite to use HID accessor macro.
712         (sched_is_disabled_for_current_region_p): Delete static declaration.
713         (struct region): Move to sched-int.h.
714         (nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
715         ebb_head): Define and initialize.
716         (RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
717         BLOCK_TO_BB, CONTAINING_RGN, debug_regions, extend_regions,
718         BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB): Move to
719         sched-int.h.
720         (find_single_block_region): Add new argument to indicate that EBB
721         regions should be constructed.
722         (debug_live): Delete declaration.
723         (current_nr_blocks, current_blocks, target_bb): Remove static qualifiers.
724         (compute_dom_prob_ps, check_live, update_live, set_spec_fed): Delete
725         declaration.
726         (init_regions): Delete declaration.
727         (debug_region, bb_in_region_p, dump_region_dot_file, dump_region_dot,
728         rgn_estimate_number_of_insns): New.
729         (too_large): Use estimate_number_of_insns.
730         (haifa_find_rgns): New. Move the code from ...
731         (find_rgns): ... here.  Call either sel_find_rgns or haifa_find_rgns.
732         (free_trg_info): New.
733         (compute_trg_info): Allocate candidate tables here instead of ...
734         (init_ready_list): ... here.
735         (rgn_print_insn): Use const_rtx.
736         (contributes_to_priority, extend_regions): Delete static declaration.
737         (add_remove_insn, fix_recovery_cfg): Add rgn_ to function names.
738         (add_block1): Rename to rgn_add_block.
739         (debug_rgn_dependencies): Delete static qualifier.
740         (new_ready): Use sched_deps_info.  Simplify.
741         (rgn_common_sched_info, rgn_const_sched_deps_info,
742         rgn_const_sel_sched_deps_info, rgn_sched_deps_info, rgn_sched_info): New.
743         (region_sched_info): Rename to rgn_const_sched_info.
744         (deps_join): New, extracted from ...
745         (propagate_deps): ... here.
746         (compute_block_dependences, debug_dependencies): Update for selective
747         scheduling.
748         (free_rgn_deps, compute_priorities): New functions.
749         (sched_rgn_init, sched_rgn_finish, rgn_setup_region,
750         sched_rgn_compute_dependencies): New functions.
751         (schedule_region): Use them.
752         (sched_rgn_local_init, sched_rgn_local_free, sched_rgn_local_finish,
753         rgn_setup_common_sched_info, rgn_setup_sched_infos):
754         New functions.
755         (schedule_insns): Call new functions that were split out.
756         (rgn_make_new_region_out_of_new_block): New.
757         (get_rgn_sched_max_insns_priority): New.
758         (rest_of_handle_sched, rest_of_handle_sched2): Call selective
759         scheduling when appropriate.
760         * sched-vis.c: Include insn-attr.h.
761         (print_value, print_pattern): Make global.
762         (print_rtl_slim, debug_bb_slim, debug_bb_n_slim): New functions.
763         * target-def.h (TARGET_SCHED_ADJUST_COST_2,
764         TARGET_SCHED_ALLOC_SCHED_CONTEXT, TARGET_SCHED_INIT_SCHED_CONTEXT,
765         TARGET_SCHED_SET_SCHED_CONTEXT, TARGET_SCHED_CLEAR_SCHED_CONTEXT,
766         TARGET_SCHED_FREE_SCHED_CONTEXT, TARGET_SCHED_GET_INSN_CHECKED_DS,
767         TARGET_SCHED_GET_INSN_SPEC_DS, TARGET_SCHED_SKIP_RTX_P): New target
768         hooks.  Initialize them to 0.
769         (TARGET_SCHED_GEN_CHECK): Rename to TARGET_SCHED_GEN_SPEC_CHECK.
770         * target.h (struct gcc_target): Add them.  Rename gen_check field to
771         gen_spec_check.
772         * flags.h (sel_sched_switch_set): Declare.
773         * opts.c (sel_sched_switch_set): New variable.
774         (decode_options): Unset flag_sel_sched_pipelining_outer_loops if
775         pipelining is disabled from command line.
776         (common_handle_option): Record whether selective scheduling is
777         requested from command line.
778         * doc/invoke.texi: Document new flags and parameters.
779         * doc/tm.texi: Document new target hooks.
780         * config/ia64/ia64.c (TARGET_SCHED_GEN_SPEC_CHECK): Define to ia64_gen_check.
781         (dfa_state_size): Do not declare locally.
782         * config/ia64/ia64.opt (msched-ar-data-spec): Default to 0.
783         * config/rs6000/rs6000.c (rs6000_init_sched_context,
784         rs6000_alloc_sched_context, rs6000_set_sched_context,
785         rs6000_free_sched_context): New functions.
786         (struct _rs6000_sched_context): New.
787         (rs6000_sched_reorder2): Do not modify INSN_PRIORITY for selective
788         scheduling.
789         (rs6000_sched_finish): Do not run for selective scheduling.
790
791 2008-08-31  Jan Hubicka  <jh@suse.cz>
792
793         * frv.c (frv_rtx_costs): Update forward declaration.
794         * spu.c (spu_rtx_costs): Likewise.
795         * pdp11.c: Include df.h
796         (pdp11_output_function_epilogue): Use df_set_regs_ever_live.
797         * m68hc11.c (m68hc11_gen_highpart): Fix call of gen_rtx_SUBREG.
798         (m68hc11_rtx_costs_1): Fix call of rtx_cost.
799         * iq2000.c (iq2000_address_cost): Add speed argument.
800         (iq2000_rtx_costs): Likewise.
801         * mn10300.c (mn10300_address_cost_1): Remove speed argument;
802         update call of mn10300_address_cost.
803         * mcore.c: Include df.h
804         (mcore_rtx_costs): Update prototype.
805         * score3.c: Include df.h
806         (score3_rtx_costs): Remove speed argument.
807         * score7.c: Include df.h
808         (score7_address_cost): Remove speed argument.
809         * score-protos.h (score_address_cost): Update prototype.
810         * score.c: Include df.h
811         (score_rtx_costs): Update call of costs functions.
812         * v850.c (v850_rtx_costs): Add bool argument.
813
814 2008-08-31  Hans-Peter Nilsson  <hp@axis.com>
815
816         * config/cris/cris.c (cris_rtx_costs): Correct call to rtx_costs.
817
818 2008-08-31  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
819
820         * gthr-win32.h (__gthread_setspecific): Use CONST_CAST2.
821         * config/i386/gthr-win32.c (__gthread_setspecific): Same.
822
823 2008-08-31  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
824
825         * mkmap-flat.awk: Add option pe_dll.
826         * config/i386/t-cygming (SHLIB_LINK): Support building libgcc_s.
827         * config/i386/t-cygwin (SHLIB_LC): Add.
828         * config/i386/t-mingw32 (SHLIB_LC): Add.
829         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): New.
830         (SUBTARGET_EXTRA_SPECS): Use SHARED_LIBGCC_UNDEFS_SPEC.
831         (LINK_SPEC): Support libgcc_s.
832         (LIBGCC_SPEC): Support libgcc_s.
833         (LIBGCC_SONAME): New.
834
835 2008-08-31  Jan Hubicka  <jh@suse.cz>
836
837         * predict.c (maybe_hot_bb_p, maybe_hot_edge_p): Previous commit
838         mistakely had old version of patch.
839
840         * ipa-cp.c (ipcp_need_original_clone_p): Remove.
841         (ipcp_estimate_growth): New.
842         (ipcp_insert_stage): Use ipcp_estimate_growth.
843         * profile.c (branch_prob): When reading failed, do not consider
844         profile as read.
845
846 2008-08-31  Jan Hubicka  <jh@suse.cz>
847
848         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Check that
849         loop is optimized for speed.
850
851 2008-08-31  Richard Guenther  <rguenther@suse.de>
852
853         PR middle-end/37289
854         * fold-const.c (fold_binary): Retain conversions in folding
855         ~A + 1 to -A.
856
857 2008-08-31  Jan Hubicka  <jh@suse.cz>
858
859         * postreload-gcse.c (eliminate_partially_redundant_loads): Use optimize_bb_for_size_p.
860         * predict.c (maybe_hot_frequency_p): Make inline.
861         (maybe_hot_count_p): Break out from ...
862         (maybe_hot_bb_p): ... this one.
863         (maybe_hot_edge_p): Simplify.
864         * basic-block.h (probably_cold_bb_p): Remove.
865
866 2008-08-31  Jakub Jelinek  <jakub@redhat.com>
867
868         PR target/37168
869         * config/rs6000/rs6000-protos.h (const_vector_elt_as_int): Add
870         prototype.
871         * config/rs6000/rs6000.c (const_vector_elt_as_int): No longer static.
872         * config/rs6000/altivec.md (easy_vector_constant_add_self splitter):
873         Also split V4SFmode.
874         * config/rs6000/predicates.md (easy_vector_constant_add_self): Handle
875         vector float modes.
876
877 2008-08-31  Jan Hubicka  <jh@suse.cz>
878
879         * predict.c (PROB_VERY_LIKELY): Make small enough so things
880         become cold.
881         * predict.def (PRED_NORETURN_CALL, PRED_COLD_CALL): Use it.
882
883 2008-08-31  Jakub Jelinek  <jakub@redhat.com>
884
885         PR debug/37287
886         * dwarf2out.c (gen_namespace_die): For DECL_EXTERNAL modules don't
887         add source coords.
888
889         * dwarf2out.c (native_encode_initializer): Subtract min_index for
890         non-range array index.  Handle VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
891
892 2008-08-31  Jan Hubicka  <jh@suse.cz>
893
894         * sparc.h (BRANCH_COST): Fix macro definition.
895         * avr.c (avr_operand_rtx_cost): Add speed argument.
896         (avr_rtx_costs): Update calls of avr_operand_rtx_cost.
897
898 2008-08-31  Richard Guenther  <rguenther@suse.de>
899
900         * tree-cfg.c (verify_types_in_gimple_assign): Dump mismatched
901         types instead of operands.  Re-instantiate verifying of
902         binary expression operands.
903
904 2008-08-30  Jan Hubicka  <jh@suse.cz>
905
906         * fwprop.c (should_replace_address): Add speed attribute.
907         (PR_OPTIMIZE_FOR_SPEED): New flag.
908         (propagate_rtx_1): Use it.
909         (propagate_rtx): Set it.
910         (try_fwprop_subst): Update call of rtx_costs.
911         (forward_propagate_and_simplify): LIkewise.
912         * hooks.c (hook_int_rtx_bool_0): New
913         (hook_bool_rtx_int_int_intp_false): Replace by ...
914         (hook_bool_rtx_int_int_intp_bool_false): .. thisone.
915         * hooks.h (hook_int_rtx_bool_0): New
916         (hook_bool_rtx_int_int_intp_false): Replace by ...
917         (hook_bool_rtx_int_int_intp_bool_false): .. thisone.
918         * optabs.c (avoid_expensive_constant): UPdate call of rtx_cost.
919         (prepare_cmp_insn): UPdate call of rtx_cost.
920         * postreload.c (reload_cse_simplify_set): Update call of rtx_cost.
921         (reload_cse_simplify_operands): Update call of rtx_cost.
922         (reload_cse_move2add): call of rtx_cost.
923         * target.h (struct gcc_target): Update rtx_costs and address_costs.
924         * rtlanal.c (rtx_cost): Add speed argument.
925         (address_cost): Add speed argument
926         (default_address_cost): Likewise.
927         (insn_rtx_cost): Likewise.
928         * cfgloopanal.c (seq_cost): Add speed argument.
929         (target_reg_cost, target_spill_cost): Turn to array.
930         (init_set_costs): Update for speed.
931         (estimate_reg_pressure_cost): Add speed argument.
932         * auto-inc-dec.c (attempt_change): Update call of rtx_cost.
933         * dojump.c (prefer_and_bit_test): UPdate call of rtx_cost.
934         * tree-ssa-loop-ivopts.c (struct ivopts_data): New field speed.
935         (seq_cost): Add speed argument.
936         (computation_cost): Add speed arugment.
937         (add_cost, multiply_by_const, get_address_cost): add speed argument.
938         (force_expr_to_var_cost): Update for profile info.
939         (force_var_cost): Likewise.
940         (split_address_cost): Likewise.
941         (ptr_difference_cost): Likewise.
942         (difference_cost): Likewise.
943         (get_computation_cost_at): Likewise.
944         (determine_iv_cost): Likewise.
945         (ivopts_global_cost_for_size): Likewise.
946         (rewrite_use_address): Likewise.
947         (tree_ssa_iv_optimize_loop): Initialize speed field.
948         * cse.c (optimize_this_for_speed_p): New static var.
949         (notreg_cost): Update call of rtx_cost.
950         (cse_extended_basic_block): set optimize_this_for_speed_p.
951         * ifcvt.c (cheap_bb_rtx_cost_p): Update call of rtx_cost.
952         (noce_try_cmove_arith): Likewise.
953         (noce_try_sign_mask): LIkewise.
954         * expr.c (compress_float_constant): Update rtx_cost calls.
955         * tree-ssa-address.c (most_expensive_mult_to_index): Add speed argument.
956         (addr_to_parts): Likewise.
957         (create_mem_ref): Likewise.
958         * dse.c (find_shift_sequence): Add speed argument.
959         (replace_read): Update call.
960         * calls.c (precompute_register_parameters): Update call of rtx_cost.
961         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost,
962         * neg_cost, shift_cost, shiftadd_cost,
963         shiftsub_cost, mul_cost, sdiv_cost, udiv_cost ,mul_widen_cost,
964         mul_highpart_cost): Increase dimension.
965         (init_expmed): Initialize for both size and speed.
966         (expand_shift): Use profile.
967         (synth_mult): Use profile.
968         (choose_mult_variant): Use profile.
969         (expand_mult): Use profile.
970         (expand_mult_highpart_optab): Use profile.
971         (expand_mult_highpart): Use profile.
972         (expand_smod_pow2): Use profile.
973         (expand_divmod): Use profile.
974         * simplify-rtx.c (simplify_binary_operation_1): Update call of rtx_cost.
975         * loop-invariant.c (create_new_invariant): Use profile.
976         (gain_for_invariant): Add speed parameter.
977         (best_gain_for_invariant): Likewise.
978         (find_invariants_to_move): Likewise.
979         (move_single_loop_invariants): Set it.
980         * target-def.h (TARGET_RTX_COSTS): Use hook.
981         * rtl.h (rtx_cost, address_cost, insn_rtx_cost): Update prototpe.
982         (optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
983         * output.h (default_address_cost): Update prototype.
984         * combine.c (optimize_this_for_speed_p): New static var.
985         (combine_validate_cost): Update call of rtx_cost.
986         (combine_instructions): Set optimize_this_for_speed_p.
987         (expand_compound_operation): Update call of rtx_cost.
988         (make_extraction):Update call of rtx_cost.
989         (force_to_mode):Update call of rtx_cost.
990         (distribute_and_simplify_rtx):Update call of rtx_cost.
991         * cfgloop.h (target_reg_cost, target_spill_cost): Turn to array.
992         (estimate_reg_pressure_cost): Update prototype.
993         * tree-flow.h (multiply_by_cost, create_mem_ref): Update prototype.
994         * basic-block.h (optimize_insn_for_size_p, optimize_insn_for_speed_p):
995         Remove.
996         * config/alpha/alpha.c (alpha_rtx_costs): Update.
997         (alpha_rtx_costs): Update.
998         * config/frv/frv.c (frv_rtx_costs): Update.
999         * config/s390/s390.c (s390_rtx_costs): Update.
1000         * config/m32c/m32c.c (m32c_memory_move_cost): Update.
1001         (m32c_rtx_costs): Update.
1002         * config/spu/spu.c (TARGET_ADDRESS_COST): Upate.
1003         (spu_rtx_costs): Update.
1004         * config/sparc/sparc.c (sparc_rtx_costs): Update.
1005         * config/m32r/m32r.c (m32r_rtx_costs): Update.
1006         * config/i386/i386.c (:ix86_address_cost): Update.
1007         (ix86_rtx_costs): Update.
1008         * config/sh/sh.c (sh_rtx_costs, sh_address_cost): Update.
1009         * config/pdp11/pdp11.c (pdp11_rtx_costs): Update.
1010         * config/avr/avr.c (avr_rtx_costs, avr_address_cost): Update.
1011         * config/crx/crx.c (crx_address_cost): Update.
1012         * config/xtensa/xtensa.c (xtensa_rtx_costs): Update.
1013         * config/stormy16/stormy16.c
1014         (xstormy16_address_cost, xstormy16_rtx_costs): Update.
1015         * config/m68hc11/m68hc11.c
1016         (m68hc11_address_cost, m68hc11_rtx_costs): Update.
1017         * config/cris/cris.c (cris_rtx_costs, cris_address_cost): Update.
1018         * config/iq2000/iq2000.c (iq2000_rtx_costs, iq2000_address_cost): Update.
1019         * config/mn10300/mn10300.c (mn10300_address_cost, mn10300_rtx_costs): Update
1020         * config/ia64/ia64.c (ia64_rtx_costs): Update.
1021         * config/m68k/m68k.c (m68k_rtx_costs): Update.
1022         * config/rs6000/rs6000.c (rs6000_rtx_costs): Update.
1023         * config/arc/arc.c (arc_rtx_costs, arc_address_cost): Update.
1024         * config/mcore/mcore.c (TARGET_ADDRESS_COST): Update.
1025         (mcore_rtx_costs): update.
1026         * config/score/score3.c (score3_rtx_costs): Update.
1027         * config/score/score7.c (score7_rtx_costs): Update.
1028         * config/score/score3.h (score3_rtx_costs):Update.
1029         * config/score/score7.h (score7_rtx_costs): Update.
1030         * config/score/score.c (score_rtx_costs): Update.
1031         * config/arm/arm.c (arm_address_cost): Update.
1032         (arm_rtx_costs_1): Update.
1033         (arm_rtx_costs_1): Update.
1034         (arm_size_rtx_costs): Update.
1035         (arm_size_rtx_costs): Update.
1036         (arm_size_rtx_costs): Update.
1037         (arm_xscale_rtx_costs): Update.
1038         (arm_thumb_address_cost): Update.
1039         * config/pa/pa.c (hppa_address_cost): Update.
1040         * config/mips/mips.c (mips_rtx_costs): Update.
1041         * config/vax/vax.c (vax_address_cost): Update.
1042         * config/h8300/h8300.c (h8300_shift_costs): Update.
1043         (h8300_rtx_costs): Update.
1044         * config/v850/v850.c (TARGET_ADDRESS_COST): Update.
1045         (v850_rtx_costs): Update.
1046         * config/mmix/mmix.c (mmix_rtx_costs, mmix_rtx_costs): Update.
1047         * config/bfin/bfin.c
1048         (bfin_address_cost): Update.
1049         (bfin_rtx_costs): Update.
1050         * stmt.c (lshift_cheap_p): Update.
1051
1052 2008-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1053
1054         PR middle-end/36444
1055         * expmed.c (extract_bit_field_1): Check the mode size to make
1056         sure the vector modes have the same size.
1057
1058 2008-08-29  Michael Meissner  <gnu@the-meissners.org>
1059
1060         * dojump.c (top level): Include basic-block.h to declare
1061         optimize_insn_for_speed_p
1062
1063         * Makefile.in (dodump.h): Add $(BASIC_BLOCK_H) dependency.
1064
1065         * opts.h (CL_SAVE): New option class for marking options that are
1066         target specific options usable in the target attribute.
1067         (CL_MIN_OPTION_CLASS): CL_SAVE is now the minimum option.
1068
1069         * opt-functions.awk (switch_flags): Add CL_SAVE flag so backends
1070         can easily find the target specific options that are safe to use
1071         in the attribute or pragma.
1072
1073         * attribs.c (decl_attributes): Change #pragma GCC option to
1074         #pragma GCC target, and attribute((option(...))) to
1075         attribute((target(...))).
1076
1077         * doc/extend.texi (target attribute): Change from option
1078         attribute.  Delete push/pop/reset.
1079         (#pragma GCC target): Change from #pragma GCC option.  Delete
1080         push/pop/reset.
1081         (#pragma GCC push_options): Document new pragma.
1082         (#pragma GCC pop_options): Document new pragma.
1083         (#pragma GCC reset_options): Document new pragma.
1084
1085         * targhooks.c (default_target_option_valid_attribute_p): Add
1086         warning about port not supporting target attributes.
1087         (default_target_option_pragma_parse): New function, warn about
1088         #pragma GCC target not being supported.
1089
1090         * targhooks.h (default_target_option_pragma_parse): Add
1091         declaration.
1092
1093         * tree.h (TI_CURRENT_TARGET_PRAGMA): Rename from
1094         TI_CURRENT_OPTION_PRAGMA.
1095         (current_target_pragma): Rename from current_option_pragma.
1096
1097         * target.h: (struct target_option): Delete booleans for changing
1098         the optimization level on hot/cold functions.  Change signature of
1099         pragma_parse hook to take a second tree.
1100
1101         * c-tree.h (c_builtin_function_ext_scope): Add declaration.
1102
1103         * c-decl.c (c_builtin_function_ext_scope): New function, guarantee
1104         that the declaration is done at global scope.
1105
1106         * langhooks.c (add_builtin_function_common): Move most of the code
1107         from add_builtin_function here, calling the hook passed in.
1108         (add_builtin_function): Call add_builtin_function_common with
1109         standard builtin hook.
1110         (add_builtin_function_ext_scope): New function to add builtins to
1111         global scope.
1112
1113         * langhooks.h (struct lang_hooks): Add builtin_function_ext_scope
1114         hook.
1115         (add_builtin_function_ext_scope): Add declaration.
1116
1117         * c-pragma.c (handle_pragma_target): Rename from
1118         handle_pragma_option, #pragma GCC option is now #pragma GCC
1119         target.  Move warning about port not supporting target options to
1120         default pragma parse hook.  Remove push/pop/reset from this
1121         pragma.
1122         (handle_pragma_optimize): Remove push/pop/reset from this pragma.
1123         (option_stack): Delete static variable.
1124         (optimize_stack): Ditto.
1125         (optons_stack): New stack of saved target and optimization
1126         options.
1127         (handle_pragma_push_options): New function to handle pushing both
1128         target and optimization options.
1129         (handle_pragma_pop_options): New function to handle popping both
1130         target and optimization options.
1131         (handle_pragma_reset_options): New function to handle resetting
1132         both target and optimization options to their initial state.
1133         (init_pragma): Rename handle_pragma_option to
1134         handle_pragma_target.  Add support for push_options, pop_options,
1135         and reset_options pragmas.
1136
1137         * target-def.h (TARGET_OPTION_PRAGMA_PARSE): Change default to
1138         default_target_option_pragma_parse.
1139         (TARGET_OPTION_VALID_ATTRIBUTE_P): Change default to
1140         default_target_option_valid_attribute_p.
1141         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
1142         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
1143         (TARGET_OPTION_HOOKS): Delete the fields for whether to change
1144         optimization level on hot/cold functions.
1145
1146         * tree-inline.c (tree_can_inline_p): Disable suppressing inlining
1147         if the caller and callee have different optimization levels.
1148
1149         * c-common.c (handle_target_attribute): Rename from
1150         handle_option_attribute, attribute((option(...))) is now
1151         attribute((target(...))).  Move warning if the port does not
1152         support target attributes to the default hook.
1153         (handle_hot_attribute): Delete code to change the optimization
1154         level of hot functions.
1155         (handle_cold_attribute): Ditto.
1156
1157         * config/i386/i386-c.c (ix86_pragma_target_parse): Take a second
1158         argument that is the binary tree options to use if there are no
1159         arguments.  Call ix86_valid_target_attribute_tree instead of
1160         ix86_valid_option_attribute_tree.
1161         (ix86_pragma_target_parse): Rename from ix86_pragma_option_parse.
1162         (ix86_register_pragmas): Use ix86_pragma_target_parse instead of
1163         ix86_pragma_option_parse.
1164
1165         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
1166         Rename from ix86_valid_option_attribute_tree.
1167
1168         * config/i386/i386.c (ix86_add_new_builtins): New function to add
1169         new builtins when the ISA changes.
1170         (ix86_valid_target_attribute_tree): Rename from
1171         ix86_valid_option_attribute_tree.  Change callers.  If the
1172         function specified optimization options, use those as the starting
1173         point before setting up the target attributes.  If the
1174         optimization options were changed in the course of setting the
1175         target attributes, record the new optimization options.
1176         (ix86_valid_target_attribute_tree_inner_p): Rename from
1177         ix86_valid_option_attribute_tree_inner_p.  Change callers.  Call
1178         ix86_add_new_builtins if the ISA changed.
1179         (ix86_valid_target_attribute_p): Rename from
1180         ix86_valid_option_attribute_p.  Change callers.
1181         (enum ix86_builtins): Add IX86_BUILTIN_PCMOV to allow both
1182         __builtin_ia32_pcmov and __builtin_ia32_pcmov_v2di to be declared
1183         as delayed builtin functions.
1184         (struct builtin_isa): New structure to record builtin functions
1185         that should be delayed until the ISA for that function is used.
1186         (ix86_builtins_isa): Change from int to struct to track builtin
1187         functions we want to declare at some point.
1188         (def_builtin): If the front end can delay defining the builtin
1189         functions, don't create builtins for ISAs not part of the default
1190         options.
1191         (def_builtin_const): Ditto.
1192         (bdesc_multi_arg): Declare __builtin_ia32_pcmov and
1193         __builtin_ia32_pcmov_v2di to be different builtin functions.
1194         (ix86_expand_builtin): Changes due to ix86_builtins_isa now being
1195         a structure instead of an int.
1196         (TARGET_OPTION_VALID_ATTRIBUTE_P): Use
1197         ix86_valid_target_attribute_p, not ix86_valid_option_attribute_p.
1198         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
1199         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
1200
1201         * config/ia64/ia64.h
1202         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
1203         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
1204
1205         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE): New
1206         hook, default to being the same as LANG_HOOKS_BUILTIN_FUNCTION.
1207         (LANG_HOOKS_INITIALIZER): Add
1208         LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE hook.
1209
1210 2008-08-30  Kaz Kojima  <kkojima@gcc.gnu.org>
1211
1212         PR target/37270
1213         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Generate
1214         the reload address with the index register for SFmode
1215         access with a displacement.
1216
1217 2008-08-30  Jan Hubicka  <jh@suse.cz>
1218
1219         * optabs.c (expand_abs_nojump): Update BRANCH_COST call.
1220         * fold-cost.c (LOGICAL_OP_NON_SHORT_CIRCUIT, fold_truthop): Likewise.
1221         * dojump.c (do_jump): Likewise.
1222         * ifcvt.c (MAX_CONDITIONAL_EXECUTE): Likewise.
1223         (note-if_info): Add BRANCH_COST.
1224         (noce_try_store_flag_constants, noce_try_addcc, noce_try_store_flag_mask,
1225         noce_try_cmove_arith, noce_try_cmove_arith, noce_try_cmove_arith,
1226         noce_find_if_block, find_if_case_1, find_if_case_2): Use compuated
1227         branch cost.
1228         * expr.h (BRANCH_COST): Update default.
1229         * predict.c (predictable_edge_p): New function.
1230         * expmed.c (expand_smod_pow2, expand_sdiv_pow2, emit_store_flag):
1231         Update BRANCH_COST call.
1232         * basic-block.h (predictable_edge_p): Declare.
1233         * config/alpha/alpha.h (BRANCH_COST): Update.
1234         * config/frv/frv.h (BRANCH_COST): Update.
1235         * config/s390/s390.h (BRANCH_COST): Update.
1236         * config/spu/spu.h (BRANCH_COST): Update.
1237         * config/sparc/sparc.h (BRANCH_COST): Update.
1238         * config/m32r/m32r.h (BRANCH_COST): Update.
1239         * config/i386/i386.h (BRANCH_COST): Update.
1240         * config/i386/i386.c (ix86_expand_int_movcc): Update use of BRANCH_COST.
1241         * config/sh/sh.h (BRANCH_COST): Update.
1242         * config/pdp11/pdp11.h (BRANCH_COST): Update.
1243         * config/avr/avr.h (BRANCH_COST): Update.
1244         * config/crx/crx.h (BRANCH_COST): Update.
1245         * config/xtensa/xtensa.h (BRANCH_COST): Update.
1246         * config/stormy16/stormy16.h (BRANCH_COST): Update.
1247         * config/m68hc11/m68hc11.h (BRANCH_COST): Update.
1248         * config/iq2000/iq2000.h (BRANCH_COST): Update.
1249         * config/ia64/ia64.h (BRANCH_COST): Update.
1250         * config/rs6000/rs6000.h (BRANCH_COST): Update.
1251         * config/arc/arc.h (BRANCH_COST): Update.
1252         * config/score/score.h (BRANCH_COST): Update.
1253         * config/arm/arm.h (BRANCH_COST): Update.
1254         * config/pa/pa.h (BRANCH_COST): Update.
1255         * config/mips/mips.h (BRANCH_COST): Update.
1256         * config/vax/vax.h (BRANCH_COST): Update.
1257         * config/h8300/h8300.h (BRANCH_COST): Update.
1258         * params.def (PARAM_PREDICTABLE_BRANCH_OUTCOME): New.
1259         * doc/invoke.texi (predictable-branch-cost-outcome): Document.
1260         * doc/tm.texi (BRANCH_COST): Update.
1261
1262 2008-08-30  Samuel Tardieu  <sam@rfc1149.net>
1263
1264         PR target/37283
1265         * config/arm/arm.c (arm_optimization_options): Set
1266         flag_section_anchors to 2 instead of 1 to distinguish it from
1267         -fsection-anchors given explicitely on the command line.
1268
1269 2008-08-30  Richard Sandiford  <rdsandiford@googlemail.com>
1270
1271         * recog.c (split_insn): Consider attaching a REG_EQUAL note to the
1272         final insn of a split.
1273
1274 2008-08-30  Jan Hubicka  <jh@suse.cz>
1275
1276         * postreload-gcse.c (gate_handle_gcse2): Disable for functions
1277         optimized for speed.
1278         * final.c (compute_alignments): Use optimize_bb_for_size_p.
1279         * tree-call-cdce.c (gate_call_cdce): Use optimize_function_for_speed_p.
1280         * opts.c (flag_predictive_commoning_set, flag_unswitch_loops_set,
1281         flag_gcse_after_reload_set): New static vars.
1282         (common_handle_option): Enable those flags for profile-use.
1283         (decode_options): Remove optimize_size flags that are handled
1284         on higher granuality.
1285         * tree-vectorizer.c (vectorize_loops): Use
1286         optimize_loop_nest_for_speed_p.
1287         * tree-ssa-pre.c (do_pre): Use optimize_function_for_speed_p.
1288         * tree-predcom.c (tree_predictive_commoning): Use
1289         optimize_loop_for_speed_p.
1290         * varasm.c (assemble_start_function): Use optimize_function_for_speed_p.
1291         * bb-reorder.c (rest_of_handle_reorder_blocks): Likewise.
1292         * predict.c (optimize_loop_for_speed_p): Fix walk.
1293
1294 2008-08-30  Jan Hubicka  <jh@suse.cz>
1295
1296         * ipa-inline.c (cgraph_estimate_growth): Discover self recursive
1297         functions.
1298         (cgraph_decide_inlining_of_small_function): Use edge->count to detect
1299         profile presence locally.
1300
1301 2008-08-29  Joseph Myers  <joseph@codesourcery.com>
1302
1303         PR bootstrap/37086
1304         * tree-vrp.c (find_switch_asserts): Make idx volatile for GCC
1305         versions before 4.0.
1306
1307 2008-08-29  Jan Hubicka  <jh@suse.cz>
1308
1309         * tree-inline.c (insert_init_stmt): Insert sequence even when
1310         not in SSA form.
1311
1312 2008-08-29  Jeff Law  <law@redhat.com>
1313
1314         * mn10300.c (mn10300_secondary_reload_class): We need secondary
1315         reloads for AM33-2 if IN is a pseudo with an equivalent memory
1316         location and class is an FP register.
1317
1318 2008-08-29  Jan Hubicka  <jh@suse.cz>
1319
1320         * see.c (see_merge_one_def_extension): Silence used uninitialized
1321         warning.
1322         * matrix-reorg.c (check_allocation_function): Likewise.
1323         * config/i386/driver-i386.c (detect_caches_amd): Likewise.
1324
1325 2008-08-29  Jakub Jelinek  <jakub@redhat.com>
1326
1327         PR c/37261
1328         * fold-const.c (fold_binary): In (X | C1) & C2 canonicalization
1329         compute new & and | in type rather than TREE_TYPE (arg0).
1330
1331         * dwarf2out.c (fortran_common): Update comment.
1332         (gen_variable_die): Swap com_die and var_die variables in Fortran
1333         COMMON block handling code.
1334
1335         * dwarf2out.c (descr_info_loc): Handle VAR_DECL.
1336
1337         * dwarf2out.c (gen_const_die): New function.
1338         (size_of_die, value_format, output_die): Output larger
1339         dw_val_class_vec using DW_FORM_block2 or DW_FORM_block4.
1340         (native_encode_initializer): New function.
1341         (tree_add_const_value_attribute): Call it.
1342         (gen_decl_die, dwarf2out_decl): Handle CONST_DECLs if is_fortran ().
1343
1344         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): For
1345         DECL_BY_REFERENCE decls don't pass TREE_READONLY and
1346         TREE_THIS_VOLATILE to add_type_attribute.
1347
1348         * dwarf2out.c (add_subscript_info): Stop on Fortran TYPE_STRING_FLAG
1349         types.
1350         (gen_array_type_die): Emit DW_TAG_string_type for Fortran character
1351         types.
1352
1353         * dwarf2out.c (loc_by_reference): New function.
1354         (add_location_or_const_value_attribute): Use it.
1355
1356         PR fortran/23057
1357         * dwarf2out.c (gen_variable_die): Represent Fortran COMMON vars
1358         as DW_TAG_variable children of DW_TAG_common_block rather than
1359         DW_TAG_member children.  Put DW_AT_external to individual
1360         DW_TAG_variable DIEs, not to DW_TAG_common_block.
1361
1362         * dwarf2out.c (add_bound_info): If lookup_decl_die failed, try
1363         loc_descriptor_from_tree_1.
1364
1365         PR fortran/29635
1366         PR fortran/23057
1367         * debug.h (struct gcc_debug_hooks): Add NAME and CHILD
1368         arguments to imported_module_or_decl.
1369         (debug_nothing_tree_tree): Removed.
1370         (debug_nothing_tree_tree_tree_bool): New prototype.
1371         * debug.c (do_nothing_debug_hooks): Adjust.
1372         (debug_nothing_tree_tree): Removed.
1373         (debug_nothing_tree_tree_tree_bool): New function.
1374         * dwarf2out.c (is_symbol_die): Handle DW_TAG_module.
1375         (gen_variable_die): Put all common vars for the
1376         same COMMON block under one DW_TAG_common_block.
1377         (declare_in_namespace): Return new context_die, for Fortran
1378         return the module DIE instead of adding extra declarations into
1379         the namespace.
1380         (gen_type_die_with_usage): Adjust declare_in_namespace caller.
1381         (gen_namespace_die): If is_fortran (), generate DW_TAG_module
1382         instead of DW_TAG_namespace.  If DECL_EXTERNAL is set, add
1383         DW_AT_declaration.
1384         (dwarf2out_global_decl): Don't skip Fortran global vars.
1385         (gen_decl_die): Likewise.  Adjust declare_in_namespace callers.
1386         (dwarf2out_imported_module_or_decl): Add NAME and CHILD arguments.
1387         If NAME is non-NULL, add DW_AT_name.  If CHILD is non-NULL, put
1388         DW_TAG_imported_declaration as child of previous
1389         DW_TAG_imported_module.
1390         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Adjust.
1391         * sdbout.c (sdb_debug_hooks): Likewise.
1392         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
1393
1394 2008-08-29  Jan Hubicka  <jh@suse.cz>
1395
1396         * cgraph.c (cgraph_remove_node): Do not remove nested nodes.
1397
1398         * cgraph.h (cgraph_maybe_hot_edge_p): Declare.
1399         * ipa-cp.c (n_cloning_candidates): New static variable.
1400         (ipcp_print_profile_data, ipcp_function_scale_print): Forward declare.
1401         (ipcp_print_all_lattices): Improve debug output.
1402         (ipcp_cloning_candidate_p): New function.
1403         (ipcp_initialize_node_lattices): Use it.
1404         (ipcp_init_stage): Do only analyzis here; prettier debug output.
1405         (ipcp_propagate_stage): Prettier debug output.
1406         (ipcp_iterate_stage): Initialize latices here; prettier debug output.
1407         (ipcp_print_all_structures): Remove.
1408         (ipcp_need_redirect_p): Test !n_cloning_candidates.
1409         (ipcp_insert_stage): Prettier debug output; call
1410         cgraph_remove_unreachable_nodes before propagating.
1411         (pass_ipa_cp): Schedule function removal pass.
1412         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Better
1413         debug output.
1414         (cgraph_maybe_hot_edge_p): Move to ...
1415         * predict.c (cgraph_maybe_hot_edge_p) ... here.
1416         * opts.c (flag_ipa_cp_set, flag_ipa_cp_clone_set): New.
1417         (common_handle_option): Set them; enable ipa-cp when profiling.
1418         * ipa-prop.c (ipa_print_node_jump_functions): Prettier output.
1419         (ipa_print_all_jump_functions): Likewise.
1420         (ipa_print_all_tree_maps, ipa_print_node_param_flags): Remove.
1421         (ipa_print_node_params, ipa_print_all_params): New.
1422         * ipa-prop.h (ipa_print_all_tree_maps, ipa_print_node_param_flags,
1423         ipa_print_all_param_flags): Remove.
1424         (ipa_print_node_params, ipa_print_all_params): New.
1425
1426 2008-08-29  Bob Wilson  <bob.wilson@acm.org>
1427
1428         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Revert
1429         change from 2008-04-03.
1430         * config/xtensa/xtensa.h (IRA_COVER_CLASSES): Define.
1431
1432 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
1433
1434         PR rtl-opt/37251
1435
1436         * ira-color.c (push_allocnos_to_stack): Truncate
1437         removed_splay_allocno_vec.
1438
1439 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
1440
1441         PR rtl-opt/37243
1442         * ira-color (ira_fast_allocation): Don't assign hard registers to
1443         global allocnos.
1444
1445 2008-08-29  Jan Hubicka  <jh@suse.cz>
1446
1447         PR middle-end/37278
1448         * predict.c (optimize_loop_nest_for_speed_p): Do not ICE
1449         for cold internal loops.
1450
1451 2008-08-29  Richard Guenther  <rguenther@suse.de>
1452
1453         * tree-ssa-structalias.c (create_variable_info_for): Do not
1454         create fields for heap vars or vars with a noalias state.
1455         For NO_ALIAS_ANYTHING variables add a self-constraint, not one
1456         from ESCAPED.
1457
1458 2008-08-29  Richard Guenther  <rguenther@suse.de>
1459
1460         * common.opt (ftree-store-ccp): Mark as preserved for
1461         backward compatibility.
1462         * doc/invoke.texi (-ftree-store-ccp): Remove documentation.
1463         * tree-pass.h (pass_store_ccp): Remove.
1464         * tree-ssa-propagate.h (struct prop_value_d): Remove mem_ref field.
1465         (first_vdef): Remove declaration.
1466         (get_value_loaded_by): Likewise.
1467         * tree-ssa-ccp.c (do_store_ccp): Remove.
1468         (get_default_value): Simplify as do_store_ccp is always false
1469         now.  Do not initialize mem_ref.
1470         (set_value_varying): Likewise.
1471         (canonicalize_float_value): Likewise.
1472         (set_lattice_value): Likewise.
1473         (likely_value): Likewise.
1474         (surely_varying_stmt_p): Likewise.
1475         (ccp_initialize): Likewise.
1476         (ccp_lattice_meet): Likewise.
1477         (ccp_visit_phi_node): Likewise.
1478         (ccp_fold): Likewise.
1479         (evaluate_stmt): Likewise.
1480         (visit_assignment): Likewise.
1481         (ccp_visit_stmt): Likewise.
1482         (execute_ssa_ccp): Fold into ...
1483         (do_ssa_ccp): ... this.
1484         (do_ssa_store_ccp): Remove.
1485         (gate_store_ccp): Likewise.
1486         (pass_store_ccp): Likewise.
1487         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not
1488         initialize mem_ref.
1489         * tree-ssa-propagate.c (first_vdef): Remove.
1490         (get_value_loaded_by): Likewise.
1491         (replace_vuses_in): Likewise.
1492         (substitute_and_fold): Do not call replace_vuses_in.
1493         * opts.c (decode_options): Do not set flag_tree_store_ccp.
1494
1495 2008-08-29  Richard Guenther  <rguenther@suse.de>
1496
1497         PR middle-end/37236
1498         * tree-ssa-structalias.c (intra_create_variable_infos): Mark
1499         PARAM_NOALIAS tags with is_heapvar.
1500         * tree-ssa-operands.c (access_can_touch_variable): Offset
1501         based tests do not apply for heapvars.  Fix offset test.
1502
1503 2008-08-29  Jan Hubicka  <jh@suse.cz>
1504
1505         * doc/invoke.texi (-fipa-cp): Enabled by default at -O2/-Os/-O3
1506         (-fipa-cp-clone): Enabled by default at -O3.
1507         * opts.c (decode_options): Enable ipa-cp at -O2, ipa-cp-clone at -O3;
1508         make ipa-cp-clone to imply ipa-cp; disable cloning at -Os.
1509
1510 2008-08-29  Jan Hubicka  <jh@suse.cz>
1511
1512         * tree.c (build_function_type_skip_args, build_function_decl_skip_args):
1513         New functions.
1514         * tree.h (build_function_type_skip_args, build_function_decl_skip_args):
1515         Declare.
1516         * gimple.c (giple_copy_call_skip_args): New function.
1517         (giple_copy_call_skip_args): Declare.
1518
1519         * cgraph.h (cgraph_function_versioning): Add skip_args arugmnet
1520         * ipa-cp.c (ipcp_node_not_modifiable_p): Rename to ...
1521         (ipcp_node_modifiable_p): ... this one; use tree_versionable_function_p.
1522         (ipcp_create_replace_map): Improve debug output.
1523         (ipcp_need_redirect_p): Return false when not clonning.
1524         (ipcp_update_callgraph): Skip args.
1525         (ipcp_insert_stage): UPdate call of !ipcp_node_modifiable_p;
1526         skip args.
1527         * cgraphunit.c (cgraph_function_versioning): Add skip_args argument.
1528         (save_inline_function_body): Update call of tree_function_versioning.
1529         * ipa-prop.c (ipa_edge_removal_hook): Do not ICE on unanalyzed nodes.
1530         * tree-inline.c (copy_arguments_for_versioning): Add skip_args argument.
1531         (tree_function_versioning): Likewise.
1532         * tree-inline.h (tree_function_versioning): Update prototype.
1533
1534 2008-08-29  Jan Hubicka  <jh@suse.cz>
1535
1536         * loop-unswitch.c (unswitch_single_loop): Use optimize_loop_for_speed_p.
1537         * tree-ssa-threadupdate.c (mark_threaded_blocks): Use optimize_function_for_size_p.
1538         * tracer.c (ignore_bb_p): Use optimize_bb_for_size_p.
1539         * postreload-gcse.c (eliminate_partially_redundant_load): Use optimize_bb_for_size_p.
1540         * value-prof.c (gimple_divmod_fixed_value_transform,
1541         gimple_mod_pow2_value_transform, gimple_mod_subtract_transform,
1542         gimple_stringops_transform): Use optimize_bb_for_size_p.
1543         * ipa-cp.c (ipcp_insert_stage): Use optimize_function_for_size_p.
1544         * final.c (compute_alignments): Use optimize_function_for_size_p.
1545         * builtins.c (fold_builtin_cabs): Use optimize_function_for_speed_p.
1546         (fold_builtin_strcpy, fold_builtin_fputs): Use
1547         optimize_function_for_size_p.
1548         * fold-const.c (tree_swap_operands_p): Use optimize_function_for_size_p.
1549         * recog.c (relax_delay_slots): Likewise.
1550         * tree-ssa-math-opts.c (replace_reciprocal): Use optimize_bb_for_speed_p.
1551         (execute_cse_reciprocals): Use optimize_bb_for_size_p.
1552         * ipa-inline.c (cgraph_decide_recursive_inlining): Use
1553         optimize_function_for_size_p.
1554         (cgraph_decide_inlining_of_small_function): Use
1555         optimize_function_for_size_p.
1556         * global.c (find_reg): Use optimize_function_for_size_p.
1557         * opts.c (decode_options): Do not clear flag_tree_ch, flag_inline_functions,
1558         flag_unswitch_loops, flag_unroll_loops, flag_unroll_all_loops and
1559         flag_prefetch_loop_arrays. Those can work it out from profile.
1560         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Use
1561         optimize_loop_for_speed_p.
1562         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p): Constify
1563         argument.
1564         (optimize_loop_nest_for_size_p, optimize_loop_nest_for_speed_p): New.
1565         * tree-parloops.c (parallelize_loops): Use optimize_loop_for_size_p.
1566         * tree-eh.c (decide_copy_try_finally): Use optimize_function_for_size_p.
1567         * local-alloc.c (block_alloc): Pass BB pointer.
1568         (find_free_reg): Add BB pointer, use optimize_bb_for_size_p.
1569         * gcse.c (gcse_main): Use optimize_function_for_size_p.
1570         * loop-unroll.c (decide_unrolling_and_peeling): Use optimize_loop_for_size_p.
1571         (decide_peel_completely): Likewise.
1572         * tree-vect-analyze.c (vect_mark_for_runtime_alias_test): Use
1573         optimize_loop_for_size_p.
1574         (vect_enhance_data_refs_alignment): Likewise.
1575         * tree-ssa-coalesce.c (coalesce_cost): Add optimize_for_size argument.
1576         (coalesce_cost_bb, coalesce_cost_edge, create_outofssa_var_map): Update call.
1577         * cfgcleanup.c (outgoing_edges_match): Use optimize_bb_for_speed_p.
1578         (try_crossjump_bb): Use optimize_bb_for_size_p.
1579         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
1580         optimize_loop_for_speed_p.
1581         * bb-reorder.c (find_traces_1_round): Likewise.
1582         (copy_bb): Use optimize_bb_for_speed_p.
1583         (duplicate_computed_gotos): Likewise.
1584         * basic-block.h (optimize_loop_nest_for_size_p,
1585         optimize_loop_nest_for_speed_p): New.
1586         * stmt.c (expand_case): Use optimize_insn_for_size_p.
1587
1588 2008-08-29  Tristan Gingold  <gingold@adacore.com>
1589
1590         * gcov.c (main): Call expandargv.
1591
1592 2008-08-29  Jan Hubicka  <jh@suse.cz>
1593
1594         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Check that loop
1595         is not cold.
1596         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p):
1597         Constify arguments.
1598         (optimize_loop_for_size_p, optimize_loop_for_speed_p): New functions.
1599         * basic-block.h (optimize_bb_for_size_p, optimize_bb_for_speed_p):
1600         Constify.
1601         (optimize_loop_for_size_p, optimize_loop_for_speed_p): Declare.
1602
1603 2008-08-29  Jan Hubicka  <jh@suse.cz>
1604
1605         * tree-pass.h (pass_strip_predict_hints): Declare.
1606         * predict.c (strip_builtin_expect): Rename to ...
1607         (strip_predict_hints): ... this one; strip also GIMPLE_PREDICT.
1608         (tree_bb_level_predictions): Do not remove GIMPLE_PREDICT.
1609         (tree_estimate_probability): Do not strip builtin_expect.
1610         (pass_strip_predict_hints): New pass.
1611         * tree-inline.c (expand_call_inline): When inlining cold function, predict
1612         it as unlikely.
1613         * passes.c (init_optimization_passes): Add pass_strip_predict_hints.
1614
1615 2008-08-29  Richard Guenther  <rguenther@suse.de>
1616
1617         PR tree-optimization/37207
1618         * tree-vrp.c (extract_range_from_binary_expr): Also try
1619         to constant fold if only one of the operands is a constant.
1620
1621 2008-08-29  Nick Clifton  <nickc@redhat.com>
1622
1623         * config/m32r/m32r.h (LEGITIMATE_CONSTANT_P): Treat LABEL_REFs in
1624         the same way as SYMBOL_REFs.
1625
1626 2008-08-28  Bob Wilson  <bob.wilson@acm.org>
1627
1628         * config/xtensa/xtensa.md (<u>mulsidi3): Use a temporary register.
1629
1630 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
1631
1632         * config/mips/mips.h (ISA_HAS_BBIT): New macro.
1633         * config/mips/mips.md (branch_likely): Remove const.  Fix
1634         comment formatting.
1635         (define_delay for type "branch"): Change to only apply for branch
1636         with likely variant.
1637         (define_delay for type "branch" and "branch_likely" no).  New delay
1638         definition.
1639         (equality_op): New code iterator.
1640         (bbv, bbinv): New code attributes.
1641         (*branch_bit<bbv><mode>, *branch_bit<bbv><mode>_inverted): New
1642         patterns.
1643
1644 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1645             Andrew Pinski  <pinskia@gcc.gnu.org>
1646
1647         PR 18050
1648         * c-common.c (verify_tree): Fix handling of ADDR_EXPR.
1649
1650 2008-08-28  Paolo Carlini  <paolo.carlini@oracle.com>
1651
1652         * gtrh-posix.h: Fix uses of _POSIX_TIMEOUTS per the normal Posix
1653         rule that a symbolic constant must be defined and >= 0 for the
1654         corresponding facility to be present at compile-time.
1655         * gthr-posix.c: Likewise.
1656
1657 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
1658
1659         * config/mips/mips.h (ISA_HAS_DMUL3): New macro.
1660         * config/mips/mips.md (D): New mode attribute.
1661         (mulsi3, muldi3): Merge it into ...
1662         (mul<mode>3): ... new template.  Use _mul3 ending for 3-op
1663         patterns.
1664         (muldi3_mul3): New pattern.
1665         (mulsi3_mult3): Rename to mulsi3_mul3.
1666
1667 2008-08-28  Jan Hubicka  <jh@suse.cz>
1668
1669         * expmed.c (store_bit_field_1): Be prepared for movstrict expander
1670         to fail.
1671         * predict.c (always_optimize_for_size_p): Rename to ...
1672         (optimize_function_for_size): ... this one; make extern.
1673         (optimize_function_for_speed_p): New.
1674         (optimize_bb_for_size_p, optimize_bb_for_size_p,
1675         optimize_edge_for_size_p,optimize_edge_for_size_p,
1676         optimize_insn_for_size_p, optimize_insn_for_size_p): Update.
1677         * basic-block.h (optimize_function_for_size_p,
1678         optimize_function_for_speed_p): Declare.
1679         * i386.md (optimize_size checks): Replace them by appropriate
1680         predicate.
1681         (standard_80387_constant_p, ix86_compute_frame_layout,
1682         ix86_expand_epilogue, ix86_decompose_address,
1683         print_operand, emit_i387_cw_initialization,
1684         inline_memory_move_cost, ix86_pad_returns,
1685         ix86_reorg): Replace optimize_size checks.
1686
1687 2008-08-28  Richard Sandiford  <rdsandiford@googlemail.com>
1688
1689         * rtl.h (simplify_subreg_regno): Declare.
1690         * rtlanal.c (simplify_subreg_regno): New function, split out from...
1691         * simplify-rtx.c (simplify_subreg): ...here.
1692         * reload.c (find_reloads): Use simplify_subreg_regno instead of
1693         subreg_offset_representable_p.
1694
1695 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1696
1697         PR c/30949
1698         * c-typeck.c (convert_for_assignment): Give a note describing what
1699         was passed and what was expected.
1700
1701 2008-08-28  Joey Ye  <joey.ye@intel.com>
1702
1703         * doc/extend.texi: Document AVX built-in functions.
1704         * doc/invoke.texi: Document -mavx.
1705
1706 2008-08-28  H.J. Lu  <hongjiu.lu@intel.com>
1707             Joey Ye  <joey.ye@intel.com>
1708             Xuepeng Guo  <xuepeng.guo@intel.com>
1709
1710         * config.gcc (extra_headers): Add gmmintrin.h for x86 and x86-64.
1711
1712         * config/i386/cpuid.h (bit_FMA): New.
1713         (bit_XSAVE): Likewise.
1714         (bit_OSXSAVE): Likewise.
1715         (bit_AVX): Likewise.
1716
1717         * config/i386/gas.h (ASM_OUTPUT_OPCODE): Undefine before
1718         define.  Use ASM_OUTPUT_AVX_PREFIX.
1719
1720         * config/i386/gmmintrin.h: New.
1721
1722         * config/i386/i386.c (x86_64_reg_class): Add X86_64_AVX_CLASS.
1723         (OPTION_MASK_ISA_AVX_SET): New.
1724         (OPTION_MASK_ISA_FMA_SET): Likewise.
1725         (OPTION_MASK_ISA_AVX_UNSET): Likewise.
1726         (OPTION_MASK_ISA_FMA_SET): Likewise.
1727         (OPTION_MASK_ISA_SSE4_2_UNSET): Updated.
1728         (ix86_handle_option): Handle OPT_mavx and OPT_mfma.
1729         (pta_flags): Add PTA_AVX and PTA_FMA.
1730         (override_options): Handle PTA_AVX and PTA_FMA.
1731         (init_cumulative_args): Handle warn_avx.
1732         (classify_argument): Return 0 for COImode and OImode.  Return
1733         1 and X86_64_AVX_CLASS for 256bit vector types.
1734         (examine_argument): Handle X86_64_AVX_CLASS.
1735         (construct_container): Likewise.
1736         (function_arg_advance_32): Pass OImode and 256bit vector types
1737         in AVX register.
1738         (function_arg_advance_64): Take a new argument to indicate if a
1739         parameter is named.  Handle 256bit vector types.  Return
1740         immediately for unnamed 256bit vector mode parameters.
1741         (function_arg_advance): Updated.
1742         (function_arg_32): Add comments for TImode.  Handle OImode
1743         and 256bit vector types.
1744         (function_arg_64): Take a new argument to indicate if a
1745         parameter is named.  Handle 256bit vector types.  Return NULL
1746         for unnamed 256bit vector mode parameters.
1747         (function_arg): Updated.
1748         (setup_incoming_varargs_64): Support
1749         AVX encoding for *sse_prologue_save_insn.
1750         (ix86_gimplify_va_arg): Handle 256bit vector mode parameters.
1751         (standard_sse_constant_p): Return -2 for all 1s if SSE2 isn't
1752         enabled.  For all 1s in 256bit vector modes, return 3 if AVX is
1753         enabled, otherwise return -3.
1754         (standard_sse_constant_opcode): Handle AVX and 256bit vector
1755         modes.
1756         (print_reg): Support AVX registers.  Handle 'x' and 't'.
1757         Handle 'd' to duplicate the operand.
1758         (print_operand): Likewise.  Also support AVX vector compare
1759         instructions.
1760         (output_387_binary_op): Support AVX.
1761         (output_fp_compare): Likewise.
1762         (ix86_expand_vector_move_misalign): Likewise.
1763         (ix86_attr_length_vex_default): New.
1764         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
1765         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
1766         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
1767         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
1768         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_BLENDPD256,
1769         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
1770         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DIVPD256,
1771         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_DPPS256,
1772         IX86_BUILTIN_HADDPD256, IX86_BUILTIN_HADDPS256,
1773         IX86_BUILTIN_HSUBPD256, IX86_BUILTIN_HSUBPS256,
1774         IX86_BUILTIN_MAXPD256, IX86_BUILTIN_MAXPS256,
1775         IX86_BUILTIN_MINPD256, IX86_BUILTIN_MINPS256,
1776         IX86_BUILTIN_MULPD256, IX86_BUILTIN_MULPS256,
1777         IX86_BUILTIN_ORPD256, IX86_BUILTIN_ORPS256,
1778         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
1779         IX86_BUILTIN_SUBPD256, IX86_BUILTIN_SUBPS256,
1780         IX86_BUILTIN_XORPD256, IX86_BUILTIN_XORPS256,
1781         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
1782         IX86_BUILTIN_CMPPS, IX86_BUILTIN_CMPPD256,
1783         IX86_BUILTIN_CMPPS256, IX86_BUILTIN_CVTDQ2PD256,
1784         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
1785         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
1786         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
1787         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_EXTRACTF128PD256,
1788         IX86_BUILTIN_EXTRACTF128PS256, IX86_BUILTIN_EXTRACTF128SI256,
1789         IX86_BUILTIN_VZEROALL, IX86_BUILTIN_VZEROUPPER,
1790         IX86_BUILTIN_VZEROUPPER_REX64, IX86_BUILTIN_VPERMILVARPD,
1791         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
1792         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_VPERMILPD,
1793         IX86_BUILTIN_VPERMILPS, IX86_BUILTIN_VPERMILPD256,
1794         IX86_BUILTIN_VPERMILPS256, IX86_BUILTIN_VPERMIL2PD,
1795         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256,
1796         IX86_BUILTIN_VPERMIL2PS256, IX86_BUILTIN_VPERM2F128PD256,
1797         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
1798         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
1799         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
1800         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_VINSERTF128PD256,
1801         IX86_BUILTIN_VINSERTF128PS256, IX86_BUILTIN_VINSERTF128SI256,
1802         IX86_BUILTIN_LOADUPD256, IX86_BUILTIN_LOADUPS256,
1803         IX86_BUILTIN_STOREUPD256, IX86_BUILTIN_STOREUPS256,
1804         IX86_BUILTIN_LDDQU256, IX86_BUILTIN_LOADDQU256,
1805         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_MASKLOADPD,
1806         IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKSTOREPD,
1807         IX86_BUILTIN_MASKSTOREPS, IX86_BUILTIN_MASKLOADPD256,
1808         IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKSTOREPD256,
1809         IX86_BUILTIN_MASKSTOREPS256, IX86_BUILTIN_MOVSHDUP256,
1810         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
1811         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
1812         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
1813         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
1814         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
1815         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
1816         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
1817         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
1818         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
1819         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
1820         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
1821         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
1822         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
1823         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
1824         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
1825         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
1826         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
1827         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256
1828         and IX86_BUILTIN_MOVMSKPS256,
1829         (ix86_special_builtin_type): Add V32QI_FTYPE_PCCHAR,
1830         V8SF_FTYPE_PCV4SF, V8SF_FTYPE_PCFLOAT, V4DF_FTYPE_PCV2DF,
1831         V4DF_FTYPE_PCDOUBLE, V8SF_FTYPE_PCV8SF_V8SF,
1832         V4DF_FTYPE_PCV4DF_V4DF, V4SF_FTYPE_PCV4SF_V4SF,
1833         V2DF_FTYPE_PCV2DF_V2DF, VOID_FTYPE_PCHAR_V32QI,
1834         VOID_FTYPE_PFLOAT_V8SF, VOID_FTYPE_PDOUBLE_V4DF,
1835         VOID_FTYPE_PV8SF_V8SF_V8SF, VOID_FTYPE_PV4DF_V4DF_V4DF,
1836         VOID_FTYPE_PV4SF_V4SF_V4SF and VOID_FTYPE_PV2DF_V2DF_V2DF,
1837         (ix86_builtin_type): Add INT_FTYPE_V8SF_V8SF_PTEST,
1838         INT_FTYPE_V4DI_V4DI_PTEST, INT_FTYPE_V4DF_V4DF_PTEST,
1839         INT_FTYPE_V4SF_V4SF_PTEST, INT_FTYPE_V2DF_V2DF_PTEST,
1840         INT_FTYPE_V8SF, INT_FTYPE_V4DF, V8SI_FTYPE_V8SF, V8SI_FTYPE_V4SI,
1841         V8SF_FTYPE_V8SF, V8SF_FTYPE_V8SI, V8SF_FTYPE_V4SF,
1842         V4SI_FTYPE_V8SI, V4SI_FTYPE_V4DF, V4DF_FTYPE_V4DF,
1843         V4DF_FTYPE_V4SI, V4DF_FTYPE_V4SF, V4DF_FTYPE_V2DF,
1844         V4SF_FTYPE_V4DF, V4SF_FTYPE_V8SF, V2DF_FTYPE_V4DF,
1845         V8SF_FTYPE_V8SF_V8SF, V8SF_FTYPE_V8SF_V8SI,
1846         V4DF_FTYPE_V4DF_V4DF, V4DF_FTYPE_V4DF_V4DI,
1847         V4SF_FTYPE_V4SF_V4SI, V2DF_FTYPE_V2DF_V2DI,
1848         V8SF_FTYPE_V8SF_INT, V4SI_FTYPE_V8SI_INT, V4SF_FTYPE_V8SF_INT,
1849         V2DF_FTYPE_V4DF_INT, V4DF_FTYPE_V4DF_INT,
1850         V8SF_FTYPE_V8SF_V8SF_V8SF, V4DF_FTYPE_V4DF_V4DF_V4DF,
1851         V8SI_FTYPE_V8SI_V8SI_INT, V8SF_FTYPE_V8SF_V8SF_INT,
1852         V4DF_FTYPE_V4DF_V4DF_INT, V4DF_FTYPE_V4DF_V2DF_INT,
1853         V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT,
1854         V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1855         (bdesc_special_args): Add IX86_BUILTIN_VZEROALL,
1856         IX86_BUILTIN_VZEROUPPER. IX86_BUILTIN_VZEROUPPER_REX64,
1857         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
1858         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
1859         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_LOADUPD256,
1860         IX86_BUILTIN_LOADUPS256, IX86_BUILTIN_STOREUPD256,
1861         IX86_BUILTIN_STOREUPS256, IX86_BUILTIN_LOADDQU256,
1862         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_LDDQU256,
1863         IX86_BUILTIN_MASKLOADPD, IX86_BUILTIN_MASKLOADPS,
1864         IX86_BUILTIN_MASKLOADPD256, IX86_BUILTIN_MASKLOADPS256,
1865         IX86_BUILTIN_MASKSTOREPD, IX86_BUILTIN_MASKSTOREPS,
1866         IX86_BUILTIN_MASKSTOREPD256 and IX86_BUILTIN_MASKSTOREPS256.
1867         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
1868         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
1869         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
1870         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
1871         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_DIVPD256,
1872         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_HADDPD256,
1873         IX86_BUILTIN_HSUBPS256, IX86_BUILTIN_HSUBPD256,
1874         IX86_BUILTIN_HADDPS256, IX86_BUILTIN_MAXPD256,
1875         IX86_BUILTIN_MAXPS256, IX86_BUILTIN_MINPD256,
1876         IX86_BUILTIN_MINPS256, IX86_BUILTIN_MULPD256,
1877         IX86_BUILTIN_MULPS256, IX86_BUILTIN_ORPD256,
1878         IX86_BUILTIN_ORPS256, IX86_BUILTIN_SUBPD256,
1879         IX86_BUILTIN_SUBPS256, IX86_BUILTIN_XORPD256,
1880         IX86_BUILTIN_XORPS256, IX86_BUILTIN_VPERMILVARPD,
1881         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
1882         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_BLENDPD256,
1883         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
1884         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DPPS256,
1885         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
1886         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
1887         IX86_BUILTIN_CMPPS,
1888         IX86_BUILTIN_CMPPD256,IX86_BUILTIN_CMPPS256,
1889         IX86_BUILTIN_EXTRACTF128PD256, IX86_BUILTIN_EXTRACTF128PS256,
1890         IX86_BUILTIN_EXTRACTF128SI256, IX86_BUILTIN_CVTDQ2PD256,
1891         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
1892         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
1893         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
1894         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_VPERM2F128PD256,
1895         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
1896         IX86_BUILTIN_VPERMILPD, IX86_BUILTIN_VPERMILPS,
1897         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
1898         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMILPS,
1899         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
1900         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1901         IX86_BUILTIN_VPERMIL2PD256, IX86_BUILTIN_VPERMIL2PS256,
1902         IX86_BUILTIN_VINSERTF128PD256, IX86_BUILTIN_VINSERTF128PS256,
1903         IX86_BUILTIN_VINSERTF128SI256, IX86_BUILTIN_MOVSHDUP256,
1904         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
1905         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
1906         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
1907         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
1908         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
1909         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
1910         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
1911         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
1912         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
1913         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
1914         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
1915         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
1916         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
1917         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
1918         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
1919         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
1920         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
1921         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256 and
1922         IX86_BUILTIN_MOVMSKPS256.
1923         (ix86_init_mmx_sse_builtins): Support AVX builtins.
1924         (ix86_expand_args_builtin): Likewise.
1925         (ix86_expand_special_args_builtin): Likewise.
1926         (ix86_hard_regno_mode_ok): Handle AVX modes.
1927         (ix86_expand_vector_init_duplicate): Likewise.
1928         (ix86_expand_vector_init_one_nonzero): Likewise.
1929         (ix86_expand_vector_init_one_var): Likewise.
1930         (ix86_expand_vector_init_concat): Likewise.
1931         (ix86_expand_vector_init_general): Likewise.
1932         (ix86_expand_vector_set): Likewise.
1933         (ix86_vector_mode_supported_p): Likewise.
1934         (x86_extended_reg_mentioned_p): Check INSN_P before using
1935         PATTERN.
1936
1937         * config/i386/i386-c.c (ix86_target_macros_internal): Handle
1938         OPTION_MASK_ISA_AVX and OPTION_MASK_ISA_FMA.
1939
1940         * config/i386/i386.h (TARGET_AVX): New.
1941         (TARGET_FMA): Likewise.
1942         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AVX and TARGET_FMA.
1943         (BIGGEST_ALIGNMENT): Set to 256 for TARGET_AVX.
1944         (VALID_AVX256_REG_MODE): New.
1945         (AVX256_VEC_FLOAT_MODE_P): Likewise.
1946         (AVX_FLOAT_MODE_P): Likewise.
1947         (AVX128_VEC_FLOAT_MODE_P): Likewise.
1948         (AVX256_VEC_FLOAT_MODE_P): Likewise.
1949         (AVX_VEC_FLOAT_MODE_P): Likewise.
1950         (ASM_OUTPUT_AVX_PREFIX): Likewise.
1951         (ASM_OUTPUT_OPCODE): Likewise.
1952         (UNITS_PER_SIMD_WORD): Add a FIXME for 32byte vectorizer
1953         support.
1954         (SSE_REG_MODE_P): Allow 256bit vector modes.
1955         (ix86_args): Add a warn_avx field.
1956
1957         * config/i386/i386.md (UNSPEC_PCMP): New.
1958         (UNSPEC_VPERMIL): Likewise.
1959         (UNSPEC_VPERMIL2): Likewise.
1960         (UNSPEC_VPERMIL2F128): Likewise.
1961         (UNSPEC_MASKLOAD): Likewise.
1962         (UNSPEC_MASKSTORE): Likewise.
1963         (UNSPEC_CAST): Likewise.
1964         (UNSPEC_VTESTP): Likewise.
1965         (UNSPECV_VZEROALL): Likewise.
1966         (UNSPECV_VZEROUPPER): Likewise.
1967         (XMM0_REG): Likewise.
1968         (XMM1_REG): Likewise.
1969         (XMM2_REG): Likewise.
1970         (XMM3_REG): Likewise.
1971         (XMM4_REG): Likewise.
1972         (XMM5_REG): Likewise.
1973         (XMM6_REG): Likewise.
1974         (XMM8_REG): Likewise.
1975         (XMM9_REG): Likewise.
1976         (XMM10_REG): Likewise.
1977         (XMM11_REG): Likewise.
1978         (XMM12_REG): Likewise.
1979         (XMM13_REG): Likewise.
1980         (XMM14_REG): Likewise.
1981         (XMM15_REG): Likewise.
1982         (prefix): Likewise.
1983         (prefix_vex_imm8): Likewise.
1984         (prefix_vex_w): Likewise.
1985         (length_vex): Likewise.
1986         (maxmin): Likewise.
1987         (movoi): Likewise.
1988         (*avx_ashlti3): Likewise.
1989         (*avx_lshrti3): Likewise.
1990         (*avx_setcc<mode>): Likewise.
1991         (*fop_<mode>_comm_mixed_avx): Likewise.
1992         (*fop_<mode>_comm_avx): Likewise.
1993         (*fop_<mode>_1_mixed_avx): Likewise.
1994         (*fop_<mode>_1_avx): Likewise.
1995         (*avx_<code><mode>3): Likewise.
1996         (*avx_ieee_smin<mode>3): Likewise.
1997         (*avx_ieee_smax<mode>3): Likewise.
1998         (mode): Add OI, V8SF and V4DF.
1999         (length): Support VEX prefix.
2000         (*cmpfp_i_mixed): Set prefix attribute.
2001         (*cmpfp_i_sse): Likewise.
2002         (*cmpfp_iu_mixed): Likewise.
2003         (*cmpfp_iu_sse): Likewise.
2004         (*movsi_1): Support AVX.
2005         (*movdi_2): Likewise.
2006         (*movdi_1_rex64): Likewise.
2007         (*movti_internal): Likewise.
2008         (*movti_rex64): Likewise.
2009         (*movsf_1): Likewise.
2010         (*movdf_nointeger): Likewise.
2011         (*movdf_integer_rex64): Likewise.
2012         (*movtf_internal): Likewise.
2013         (zero_extendsidi2_32): Likewise.
2014         (zero_extendsidi2_rex64): Likewise.
2015         (*extendsfdf2_mixed): Likewise.
2016         (*extendsfdf2_sse): Likewise.
2017         (*truncdfsf_fast_mixed): Likewise.
2018         (*truncdfsf_fast_sse): Likewise.
2019         (*truncdfsf_mixed): Likewise.
2020         (fix_trunc<mode>di_sse): Likewise.
2021         (fix_trunc<mode>si_sse): Likewise.
2022         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Likewise.
2023         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Likewise.
2024         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Likewise.
2025         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Likewise.
2026         (*rcpsf2_sse): Likewise.
2027         (*rsqrtsf2_sse): Likewise.
2028         (*sqrt<mode>2_sse): Likewise.
2029         (sse4_1_round<mode>2): Likewise.
2030         (*sse_prologue_save_insn): Disallow REX prefix for AVX.
2031         Support AVX.  Set length attribute properly for AVX.
2032
2033         * config/i386/i386-modes.def (VECTOR_MODES (INT, 32)): New.
2034         (VECTOR_MODES (FLOAT, 32)): Likewise.
2035         (VECTOR_MODE (INT, DI, 8)): Likewise.
2036         (VECTOR_MODE (INT, HI, 32)): Likewise.
2037         (VECTOR_MODE (INT, QI, 64)): Likewise.
2038         (VECTOR_MODE (FLOAT, DF, 8)): Likewise.
2039         (VECTOR_MODE (FLOAT, SF, 16)): Likewise.
2040         (VECTOR_MODE (INT, DI, 4)): Removed.
2041         (VECTOR_MODE (INT, SI, 8)): Likewise.
2042         (VECTOR_MODE (INT, HI, 16)): Likewise.
2043         (VECTOR_MODE (INT, QI, 32)): Likewise.
2044         (VECTOR_MODE (FLOAT, SF, 8)): Likewise.
2045         (INT_MODE (OI, 32)): Likewise.
2046
2047         * config/i386/i386.opt (mavx): New.
2048         (mfma): Likewise.
2049
2050         * config/i386/i386-protos.h (ix86_attr_length_vex_default): New.
2051
2052         * config/i386/mmx.md (*mov<mode>_internal_rex64): Support AVX.
2053         (*mov<mode>_internal_avx): New.
2054         (*movv2sf_internal_rex64_avx): Likewise.
2055         (*movv2sf_internal_avx): Likewise.
2056
2057         * config/i386/predicates.md (const_4_to_5_operand): New.
2058         (const_6_to_7_operand): Likewise.
2059         (const_8_to_11_operand): Likewise.
2060         (const_12_to_15_operand): Likewise.
2061         (avx_comparison_float_operator): Likewise.
2062
2063         * config/i386/sse.md (AVX256MODEI): New.
2064         (AVX256MODE): Likewise.
2065         (AVXMODEQI): Likewise.
2066         (AVXMODE): Likewise.
2067         (AVX256MODEF2P): Likewise.
2068         (AVX256MODE2P): Likewise.
2069         (AVX256MODE4P): Likewise.
2070         (AVX256MODE8P): Likewise.
2071         (AVXMODEF2P): Likewise.
2072         (AVXMODEF4P): Likewise.
2073         (AVXMODEDCVTDQ2PS): Likewise.
2074         (AVXMODEDCVTPS2DQ): Likewise.
2075         (avxvecmode): Likewise.
2076         (avxvecpsmode): Likewise.
2077         (avxhalfvecmode): Likewise.
2078         (avxscalarmode): Likewise.
2079         (avxcvtvecmode): Likewise.
2080         (avxpermvecmode): Likewise.
2081         (avxmodesuffixf2c): Likewise.
2082         (avxmodesuffixp): Likewise.
2083         (avxmodesuffixs): Likewise.
2084         (avxmodesuffix): Likewise.
2085         (vpermilbits): Likewise.
2086         (pinsrbits): Likewise.
2087         (mov<mode>): Likewise.
2088         (*mov<mode>_internal): Likewise.
2089         (push<mode>1): Likewise.
2090         (movmisalign<mode>): Likewise.
2091         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2092         (avx_movdqu<avxmodesuffix>): Likewise.
2093         (avx_lddqu<avxmodesuffix>): Likewise.
2094         (<plusminus_insn><mode>3): Likewise.
2095         (*avx_<plusminus_insn><mode>3): Likewise.
2096         (*avx_vm<plusminus_insn><mode>3): Likewise.
2097         (mul<mode>3): Likewise.
2098         (*avx_mul<mode>3): Likewise.
2099         (*avx_vmmul<mode>3): Likewise.
2100         (divv8sf3): Likewise.
2101         (divv4df3): Likewise.
2102         (avx_div<mode>3): Likewise.
2103         (*avx_div<mode>3): Likewise.
2104         (*avx_vmdiv<mode>3): Likewise.
2105         (avx_rcpv8sf2): Likewise.
2106         (*avx_vmrcpv4sf2): Likewise.
2107         (sqrtv8sf2): Likewise.
2108         (avx_sqrtv8sf2): Likewise.
2109         (*avx_vmsqrt<mode>2): Likewise.
2110         (rsqrtv8sf2): Likewise.
2111         (avx_rsqrtv8sf2): Likewise.
2112         (*avx_vmrsqrtv4sf2): Likewise.
2113         (<code><mode>3): Likewise.
2114         (*avx_<code><mode>3_finite): Likewise.
2115         (*avx_<code><mode>3): Likewise.
2116         (*avx_vm<code><mode>3): Likewise.
2117         (*avx_ieee_smin<mode>3): Likewise.
2118         (*avx_ieee_smax<mode>3): Likewise.
2119         (avx_addsubv8sf3): Likewise.
2120         (avx_addsubv4df3): Likewise.
2121         (*avx_addsubv4sf3): Likewise.
2122         (*avx_addsubv2df3): Likewise.
2123         (avx_h<plusminus_insn>v4df3): Likewise.
2124         (avx_h<plusminus_insn>v8sf3): Likewise.
2125         (*avx_h<plusminus_insn>v4sf3): Likewise.
2126         (*avx_h<plusminus_insn>v2df3): Likewise.
2127         (avx_cmpp<avxmodesuffixf2c><mode>3): Likewise.
2128         (avx_cmps<ssemodesuffixf2c><mode>3): Likewise.
2129         (*avx_maskcmp<mode>3): Likewise.
2130         (avx_nand<mode>3): Likewise.
2131         (*avx_<code><mode>3): Likewise.
2132         (*avx_nand<mode>3): Likewise.
2133         (*avx_<code><mode>3): Likewise.
2134         (*avx_cvtsi2ss): Likewise.
2135         (*avx_cvtsi2ssq): Likewise.
2136         (*avx_cvtsi2sd): Likewise.
2137         (*avx_cvtsi2sdq): Likewise.
2138         (*avx_cvtsd2ss): Likewise.
2139         (avx_cvtss2sd): Likewise.
2140         (avx_cvtdq2ps<avxmodesuffix>): Likewise.
2141         (avx_cvtps2dq<avxmodesuffix>): Likewise.
2142         (avx_cvttps2dq<avxmodesuffix>): Likewise.
2143         (*avx_cvtsi2sd): Likewise.
2144         (*avx_cvtsi2sdq): Likewise.
2145         (avx_cvtdq2pd256): Likewise.
2146         (avx_cvtpd2dq256): Likewise.
2147         (avx_cvttpd2dq256): Likewise.
2148         (*avx_cvtsd2ss): Likewise.
2149         (*avx_cvtss2sd): Likewise.
2150         (avx_cvtpd2ps256): Likewise.
2151         (avx_cvtps2pd256): Likewise.
2152         (*avx_movhlps): Likewise.
2153         (*avx_movlhps): Likewise.
2154         (avx_unpckhps256): Likewise.
2155         (*avx_unpckhps): Likewise.
2156         (avx_unpcklps256): Likewise.
2157         (*avx_unpcklps): Likewise.
2158         (avx_movshdup256): Likewise.
2159         (avx_movsldup256): Likewise.
2160         (avx_shufps256): Likewise.
2161         (avx_shufps256_1): Likewise.
2162         (*avx_shufps_<mode>): Likewise.
2163         (*avx_loadhps): Likewise.
2164         (*avx_storelps): Likewise.
2165         (*avx_loadlps): Likewise.
2166         (*avx_movss): Likewise.
2167         (*vec_dupv4sf_avx): Likewise.
2168         (*vec_concatv2sf_avx): Likewise.
2169         (*vec_concatv4sf_avx): Likewise.
2170         (*vec_setv4sf_0_avx): Likewise.
2171         (*vec_setv4sf_avx): Likewise.
2172         (*avx_insertps): Likewise.
2173         (avx_vextractf128<mode>): Likewise.
2174         (vec_extract_lo_<mode>): Likewise.
2175         (vec_extract_hi_<mode>): Likewise.
2176         (vec_extract_lo_<mode>): Likewise.
2177         (vec_extract_hi_<mode>): Likewise.
2178         (vec_extract_lo_v16hi): Likewise.
2179         (vec_extract_hi_v16hi): Likewise.
2180         (vec_extract_lo_v32qi): Likewise.
2181         (vec_extract_hi_v32qi): Likewise.
2182         (avx_unpckhpd256): Likewise.
2183         (*avx_unpckhpd): Likewise.
2184         (avx_movddup256): Likewise.
2185         (*avx_movddup): Likewise.
2186         (avx_unpcklpd256): Likewise.
2187         (*avx_unpcklpd): Likewise.
2188         (avx_shufpd256): Likewise.
2189         (avx_shufpd256_1): Likewise.
2190         (*avx_punpckhqdq): Likewise.
2191         (*avx_punpcklqdq): Likewise.
2192         (*avx_shufpd_<mode>): Likewise.
2193         (*avx_storehpd): Likewise.
2194         (*avx_loadhpd): Likewise.
2195         (*avx_loadlpd): Likewise.
2196         (*avx_movsd): Likewise.
2197         (*vec_concatv2df_avx): Likewise.
2198         (*avx_<plusminus_insn><mode>3): Likewise.
2199         (*avx_<plusminus_insn><mode>3): Likewise.
2200         (*avx_mulv8hi3): Likewise.
2201         (*avxv8hi3_highpart): Likewise.
2202         (*avx_umulv8hi3_highpart): Likewise.
2203         (*avx_umulv2siv2di3): Likewise.
2204         (*avx_mulv2siv2di3): Likewise.
2205         (*avx_pmaddwd): Likewise.
2206         (*avx_mulv4si3): Likewise.
2207         (*avx_ashr<mode>3): Likewise.
2208         (*avx_lshr<mode>3): Likewise.
2209         (*avx_ashl<mode>3): Likewise.
2210         (*avx_<code><mode>3): Likewise.
2211         (*avx_eq<mode>3): Likewise.
2212         (*avx_gt<mode>3): Likewise.
2213         (*avx_nand<mode>3): Likewise.
2214         (*avx_nand<mode>3): Likewise.
2215         (*avx_<code><mode>3): Likewise.
2216         (*avx_<code><mode>3): Likewise.
2217         (*avx_packsswb): Likewise.
2218         (*avx_packssdw): Likewise.
2219         (*avx_packuswb): Likewise.
2220         (*avx_punpckhbw): Likewise.
2221         (*avx_punpcklbw): Likewise.
2222         (*avx_punpckhwd): Likewise.
2223         (*avx_punpcklwd): Likewise.
2224         (*avx_punpckhdq): Likewise.
2225         (*avx_punpckldq): Likewise.
2226         (*avx_pinsr<avxmodesuffixs>): Likewise.
2227         (*avx_pinsrq): Likewise.
2228         (*avx_loadld): Likewise.
2229         (*vec_extractv2di_1_rex64_avx): Likewise.
2230         (*vec_extractv2di_1_avx): Likewise.
2231         (*vec_dupv2di_avx): Likewise.
2232         (*vec_concatv2si_avx): Likewise.
2233         (*vec_concatv4si_1_avx): Likewise.
2234         (*vec_concatv2di_avx): Likewise.
2235         (*vec_concatv2di_rex64_avx): Likewise.
2236         (*avx_uavgv16qi3): Likewise.
2237         (*avx_uavgv8hi3): Likewise.
2238         (*avx_psadbw): Likewise.
2239         (avx_movmskp<avxmodesuffixf2c>256): Likewise.
2240         (*avx_phaddwv8hi3): Likewise.
2241         (*avx_phadddv4si3): Likewise.
2242         (*avx_phaddswv8hi3): Likewise.
2243         (*avx_phsubwv8hi3): Likewise.
2244         (*avx_phsubdv4si3): Likewise.
2245         (*avx_phsubswv8hi3): Likewise.
2246         (*avx_pmaddubsw128): Likewise.
2247         (*avx_pmulhrswv8hi3): Likewise.
2248         (*avx_pshufbv16qi3): Likewise.
2249         (*avx_psign<mode>3): Likewise.
2250         (*avx_palignrti): Likewise.
2251         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2252         (avx_blendvp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2253         (avx_dpp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2254         (*avx_mpsadbw): Likewise.
2255         (*avx_packusdw): Likewise.
2256         (*avx_pblendvb): Likewise.
2257         (*avx_pblendw): Likewise.
2258         (avx_vtestp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2259         (avx_ptest256): Likewise.
2260         (avx_roundp<avxmodesuffixf2c>256): Likewise.
2261         (*avx_rounds<ssemodesuffixf2c>): Likewise.
2262         (*avx_aesenc): Likewise.
2263         (*avx_aesenclast): Likewise.
2264         (*avx_aesdec): Likewise.
2265         (*avx_aesdeclast): Likewise.
2266         (avx_vzeroupper): Likewise.
2267         (avx_vzeroupper_rex64): Likewise.
2268         (avx_vpermil<mode>): Likewise.
2269         (avx_vpermilvar<mode>3): Likewise.
2270         (avx_vpermil2<mode>3): Likewise.
2271         (avx_vperm2f128<mode>3): Likewise.
2272         (avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2273         (avx_vbroadcastss256): Likewise.
2274         (avx_vbroadcastf128_p<avxmodesuffixf2c>256): Likewise.
2275         (avx_vinsertf128<mode>): Likewise.
2276         (vec_set_lo_<mode>): Likewise.
2277         (vec_set_hi_<mode>): Likewise.
2278         (vec_set_lo_<mode>): Likewise.
2279         (vec_set_hi_<mode>): Likewise.
2280         (vec_set_lo_v16hi): Likewise.
2281         (vec_set_hi_v16hi): Likewise.
2282         (vec_set_lo_v32qi): Likewise.
2283         (vec_set_hi_v32qi): Likewise.
2284         (avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2285         (avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2286         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
2287         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Likewise.
2288         (vec_init<mode>): Likewise.
2289         (*vec_concat<mode>_avx): Likewise.
2290         (blendbits): Support V8SF and V4DF.
2291         (sse2_movq128): Support AVX.
2292         (<sse>_movnt<mode>): Likewise.
2293         (sse2_movntv2di): Likewise.
2294         (sse_rcpv4sf2): Likewise.
2295         (sse_sqrtv4sf2): Likewise.
2296         (sse_rsqrtv4sf2): Likewise.
2297         (<sse>_comi): Likewise.
2298         (<sse>_ucomi): Likewise.
2299         (sse_cvtss2si): Likewise.
2300         (sse_cvtss2si_2): Likewise.
2301         (sse_cvtss2siq): Likewise.
2302         (sse_cvtss2siq_2): Likewise.
2303         (sse_cvttss2si): Likewise.
2304         (sse_cvttss2siq): Likewise.
2305         (sse2_cvtsd2si): Likewise.
2306         (sse2_cvtsd2si_2): Likewise.
2307         (sse2_cvtsd2siq): Likewise.
2308         (sse2_cvtsd2siq_2): Likewise.
2309         (sse2_cvttsd2si): Likewise.
2310         (sse2_cvttsd2siq): Likewise.
2311         (sse2_cvtdq2pd): Likewise.
2312         (*sse2_cvtpd2dq): Likewise.
2313         (*sse2_cvttpd2dq): Likewise.
2314         (*sse2_cvtpd2ps): Likewise.
2315         (sse2_cvtps2pd): Likewise.
2316         (sse3_movshdup): Likewise.
2317         (sse3_movsldup): Likewise.
2318         (sse_storehps): Likewise.
2319         (*sse4_1_extractps): Likewise.
2320         (sse2_storelpd): Likewise.
2321         (vec_dupv2df_sse3): Likewise.
2322         (*vec_concatv2df_sse3): Likewise.
2323         (*sse4_1_pextrb): Likewise.
2324         (*sse4_1_pextrb_memory): Likewise.
2325         (*sse2_pextrw): Likewise.
2326         (*sse4_1_pextrw_memory): Likewise.
2327         (*sse4_1_pextrd): Likewise.
2328         (*sse4_1_pextrq): Likewise.
2329         (sse2_pshufd_1): Likewise.
2330         (sse2_pshuflw_1): Likewise.
2331         (sse2_pshufhw_1): Likewise.
2332         (*sse2_storeq_rex64): Likewise.
2333         (*vec_dupv4si): Likewise.
2334         (<sse>_movmskp<ssemodesuffixf2c>): Likewise.
2335         (sse2_pmovmskb): Likewise.
2336         (*sse2_maskmovdqu): Likewise.
2337         (*sse2_maskmovdqu_rex64): Likewise.
2338         (sse_ldmxcsr): Likewise.
2339         (sse_stmxcsr): Likewise.
2340         (abs<mode>2): Likewise.
2341         (sse4_1_movntdqa): Likewise.
2342         (sse4_1_phminposuw): Likewise.
2343         (sse4_1_extendv8qiv8hi2): Likewise.
2344         (*sse4_1_extendv8qiv8hi2): Likewise.
2345         (sse4_1_extendv4qiv4si2): Likewise.
2346         (*sse4_1_extendv4qiv4si2): Likewise.
2347         (sse4_1_extendv2qiv2di2): Likewise.
2348         (*sse4_1_extendv2qiv2di2): Likewise.
2349         (sse4_1_extendv4hiv4si2): Likewise.
2350         (*sse4_1_extendv4hiv4si2): Likewise.
2351         (sse4_1_extendv2hiv2di2): Likewise.
2352         (*sse4_1_extendv2hiv2di2): Likewise.
2353         (sse4_1_extendv2siv2di2): Likewise.
2354         (*sse4_1_extendv2siv2di2): Likewise.
2355         (sse4_1_zero_extendv8qiv8hi2): Likewise.
2356         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
2357         (sse4_1_zero_extendv4qiv4si2): Likewise.
2358         (*sse4_1_zero_extendv4qiv4si2): Likewise.
2359         (sse4_1_zero_extendv2qiv2di2): Likewise.
2360         (*sse4_1_zero_extendv2qiv2di2): Likewise.
2361         (sse4_1_zero_extendv4hiv4si2): Likewise.
2362         (*sse4_1_zero_extendv4hiv4si2): Likewise.
2363         (sse4_1_zero_extendv2hiv2di2): Likewise.
2364         (*sse4_1_zero_extendv2hiv2di2): Likewise.
2365         (sse4_1_zero_extendv2siv2di2): Likewise.
2366         (*sse4_1_zero_extendv2siv2di2): Likewise.
2367         (sse4_1_ptest): Likewise.
2368         (sse4_1_roundp<ssemodesuffixf2c>): Likewise.
2369         (sse4_2_pcmpestri): Likewise.
2370         (sse4_2_pcmpestrm): Likewise.
2371         (sse4_2_pcmpistri): Likewise.
2372         (sse4_2_pcmpistrm): Likewise.
2373         (aesimc): Likewise.
2374         (aeskeygenassist): Likewise.
2375
2376 2008-08-28  Uros Bizjak  <ubizjak@gmail.com>
2377
2378         * config/i386/predicates.md (vzeroall_operation): New.
2379
2380         * config/i386/sse.md (avx_vzeroall): New.
2381         (*avx_vzeroall): Likewise.
2382
2383 2008-08-28  Paul Brook  <paul@codesourcery.com>
2384             Mark Shinwell  <shinwell@codesourcery.com>
2385             Richard Earnshaw  <richard.earnshaw@arm.com>
2386
2387         * config/arm/arm.c (TARGET_MAX_ANCHOR_OFFSET): New.
2388         (TARGET_MIN_ANCHOR_OFFSET): New.
2389         (arm_override_options): Set correct anchor ranges for Thumb-1
2390         and Thumb-2 if required.
2391         (legitimize_pic_address): Handle case involving a TLS symbol
2392         reference with an addend.
2393         (arm_optimization_options): Enable section anchors at -O1 and
2394         above.
2395         * config/arm/arm.h (OPTIMIZATION_OPTIONS): New.
2396         * config/arm/arm-protos.h (arm_optimization_options): New.
2397
2398 2008-08-28  Nick Clifton  <nickc@redhat.com>
2399
2400         * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Define.
2401         * config/stormy16/stormy16.md (zero_extendqihi2): Fix length
2402         attribute.
2403
2404         * config/v850/v850.h (IRA_COVER_CLASSES): Define.
2405         * config/v850/v850.md (return): Remove frame size restriction.
2406
2407         * config/mcore/mcore.h (IRA_COVER_CLASSES): Define.
2408
2409         * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Define.
2410
2411         * config/fr30/fr30.h (IRA_COVER_CLASSES): Define.
2412
2413         * config/m32r/m32r.h (IRA_COVER_CLASSES): Define.
2414
2415 2008-08-28  Paul Brook  <paul@codesourcery.com>
2416
2417         * config/arm/vfp11.md: Update license notice.
2418         * config/arm/cortex-r4.md: Ditto.
2419
2420 2008-08-28  Richard Guenther  <rguenther@suse.de>
2421
2422         PR tree-optimization/37207
2423         * tree-ssa-ifcombine.c (recognize_single_bit_test): Fix
2424         tuplification bug.
2425
2426 2008-08-28  Dodji Seketeli  <dodji@redhat.com>
2427
2428         PR c++/36741
2429         * tree.c (int_fits_type_p): Don't forget unsigned integers
2430           of type sizetype which higher end word equals -1.
2431
2432 2008-08-28  Ira Rosen  <irar@il.ibm.com>
2433
2434         * target.h (struct vectorize): Add new target builtin.
2435         * tree-vectorizer.c (destroy_loop_vec_info): Call
2436         vect_free_slp_instance instead of vect_free_slp_node.
2437         * tree-vectorizer.h (enum slp_load_perm_type): New.
2438         (struct _slp_instance): Add new fields.
2439         (SLP_INSTANCE_LOAD_PERMUTATION): New.
2440         (SLP_INSTANCE_LOADS): New.
2441         (vect_free_slp_tree): Remove.
2442         (vect_free_slp_instance): Declare.
2443         (SLP_TREE_LOADS_PERM_TYPE, TARG_VEC_PERMUTE_COST): New.
2444         (vectorizable_load): Add argument.
2445         (vect_transform_slp_perm_load): New.
2446         * tree-vect-analyze.c (vect_analyze_operations): Add an argument to
2447         vectorizable_load.
2448         (vect_get_place_in_interleaving_chain): New function.
2449         (vect_free_slp_tree): Make static.
2450         (vect_free_slp_instance): New function.
2451         (vect_build_slp_tree): Add new arguments. Allow load permutations and
2452         collect the load location in the interleaving chain.
2453         (vect_supported_slp_permutation_p): New function.
2454         (vect_supported_load_permutation_p): Likewise.
2455         (vect_analyze_slp_instance): In case of loads permutation, call
2456         vect_supported_load_permutation_p to check that the permutation is
2457         supported.
2458         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM): New.
2459         * tree-vect-transform.c (vect_transform_stmt): Add new argument.
2460         (vect_create_mask_and_perm): New function.
2461         (vect_get_mask_element, vect_transform_slp_perm_load): Likewise.
2462         (vectorizable_load): Add an argument. Don't keep the created vectors
2463         statements in the node if permutation is required. Call
2464         vect_transform_slp_perm_load to generate the permutation.
2465         (vect_transform_stmt): Add new argument. Call vectorizable_load with
2466         additional argument.
2467         (vect_schedule_slp_instance): In case of loads permutation, allocate
2468         vectorized statements structure for all the related SLP nodes. Call
2469         vect_transform_stmt with addditional argument.
2470         (vect_transform_loop): Call vect_transform_stmt with correct arguments.
2471         * config/spu/spu.c (spu_builtin_vec_perm): New.
2472         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
2473         * config/spu/spu.h (TARG_VEC_PERMUTE_COS): Define.
2474         * config/rs6000/rs6000.c (rs6000_builtin_vec_perm): New.
2475         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
2476
2477 2008-08-28  Chris Fairles  <chris.fairles@gmail.com>
2478
2479         * gthr-posix.h (__gthread_create,  __gthread_join, __gthread_detach,
2480         __gthread_mutex_timed_lock, __gthread_recursive_mutex_timed_lock,
2481         __gthread_cond_signal, __gthread_cond_timedwait,
2482         __gthread_cond_timedwait_recursive): New functions.
2483         * gthr-posix.c (pthread_mutex_timedlock, pthread_cond_timedwait):
2484         Likewise.
2485         * gthr.h: Comment on defining __GTHREADS_CXX0X macro in conforming
2486         thread interfaces.
2487
2488 2008-08-28  Richard Guenther  <rguenther@suse.de>
2489
2490         PR middle-end/37005
2491         * fold-const.c (maybe_canonicalize_comparison_1): Require
2492         undefined overflow only for canonicalizing A +- CST cmp CST.
2493         Make sure to not generate new constants that are not inside
2494         their TYPE_MIN/MAX_VALUE range.
2495         (maybe_canonicalize_comparison): Remove undefined overflow
2496         checking from here.
2497         (fold_binary): Remove now duplicate folding.
2498
2499 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
2500
2501         * c-typeck.c (convert_for_assignment): Adjust WARN_FOR_ASSIGNMENT
2502         use not updated in the last change.
2503
2504 2008-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
2505
2506         * config/sh/sh.h (REG_CLASS_CONTENTS): Drop fr32 from FPUL_REGS.
2507         (IRA_COVER_CLASSES): Add FPUL_REGS.
2508
2509 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2510
2511         PR 37217
2512         * c-common.c (conversion_warning): Check for null operands.
2513
2514 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2515
2516         PR c/31673
2517         * c-decl.c (check_for_loop_decls): Improve error message. Give
2518         hint.
2519
2520 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2521
2522         PR c/37186
2523         * c-typeck.c (WARN_FOR_ASSIGNMENT): Add OPT parameter.
2524         (convert_for_assignment): Pass corrent OPT_W* parameter to
2525         WARN_FOR_ASSIGNMENT.
2526
2527 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
2528
2529         PR c++/35321
2530         * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR.
2531
2532 2008-08-27  Paul Brook  <paul@codesourcery.com>
2533
2534         * config.gcc: Loosen checks for arm uclinux eabi targets.
2535
2536 2008-08-27  Paul Brook  <paul@codesourcery.com>
2537
2538         * config/arm/t-arm-coff (LIB1ASMFUNCS): Add missing undescrore on
2539         _clzsi2.
2540         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
2541
2542 2008-08-26  Douglas Gregor  <doug.gregor@gmail.com>
2543
2544         * c-common.c (do_switch_warnings): Look through the CONST_DECLs in
2545         the enumerators of an ENUMERAL_TYPE.
2546         * dbxout.c (dbxout_type): Ditto.
2547
2548 2008-08-26  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2549
2550         PR rtl-opt/37219
2551         * fwprop.c (fwprop): Check that the loop_father is the outer loop.
2552         (fwprop_addr): Check that the loop_father is not the outer loop.
2553
2554 2008-08-26  Paul Brook  <paul@codesourcery.com>
2555
2556         * config/arm/vfp.md: Document fmul{s,d} and fmac{s,d} types.
2557         Remove documentation entry for fmul type.
2558         Use fmuls to annotate single-precision multiplication patterns,
2559         fmuld to annotate double-precision multiplication patterns,
2560         fmacs to annotate single-precision multiply-accumulate patterns
2561         and fmacd to annotate double-precision multiply-accumulate patterns.
2562         * config/arm/vfp11.md: Update reservations accordingly.
2563         * config/arm/arm.md: Note that certain values of the "type"
2564         attribute are documented in vfp.md.
2565         * config/arm/arm1020e.md: Remove out of date duplicate comment.
2566         (v10_cvt): Use new fmul types.
2567
2568 2008-08-26  Paul Brook   <paul@codesourcery.com>
2569
2570         * config/arm/vfp.md: Move pipeline description for VFP11 to...
2571         * config/arm/vfp11.md: ...here.  New.
2572         * config/arm/arm.md: Include vfp11.md.
2573
2574 2008-08-26  Hans-Peter Nilsson  <hp@axis.com>
2575
2576         * opts.c (decode_options) [!IRA_COVER_CLASSES]: Add missing
2577         parameter to inform call.
2578
2579 2008-08-26  Jeff Law  <law@redhat.com>
2580
2581         * mn10300.md (movqi, movhi): Split i->d*a case into two cases to
2582         avoid the possibility of getting DATA_OR_ADDRESS_REGS as the
2583         preferred class when copying a constant into a partial word register.
2584
2585 2008-08-26  Ben Elliston  <bje@au.ibm.com>
2586
2587         * rtlanal.c: Fix uses of "it's" with "its" where appropriate.
2588         * cp/typeck.c: Likewise.
2589         * cp/tree.c: Likewise.
2590         * gimple-low.c: Likewise.
2591         * jump.c: Likewise.
2592
2593 2008-08-26  Vladimir Makarov  <vmakarov@redhat.com>
2594
2595         * ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
2596         ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
2597
2598         * doc/passes.texi: Describe IRA.
2599
2600         * doc/tm.texi (IRA_COVER_CLASSES,
2601         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
2602
2603         * doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
2604         (-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
2605         -fira-propagate-cost, -fno-ira-share-save-slots,
2606         -fno-ira-share-spill-slots, -fira-verbose): Describe new options.
2607
2608         * flags.h (ira_algorithm): New enumeration.
2609         (flag_ira_algorithm, flag_ira_verbose): New external variable
2610         declarations.
2611
2612         * postreload.c (gate_handle_postreload): Don't do post reload
2613         optimizations unless the reload is completed.
2614
2615         * reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
2616         IRA.
2617
2618         * tree-pass.h (pass_ira): New external variable declaration.
2619
2620         * reload.h: Add 2008 to the Copyright.
2621
2622         * cfgloopanal.c: Include params.h.
2623         (estimate_reg_pressure_cost): Decrease cost for IRA optimization
2624         mode.
2625
2626         * params.h (IRA_MAX_LOOPS_NUM): New macro.
2627
2628         * toplev.c (ira.h): New include.
2629         (flag_ira_algorithm, flag_ira_verbose): New external variables.
2630         (backend_init_target): Call ira_init.
2631         (backend_init): Call ira_init_once.
2632         (finalize): Call finish_ira_once.
2633
2634         * toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
2635         flag_ira_share_save_slots, flag_ira_share_spill_slots): New
2636         external variables.
2637
2638         * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
2639         may_move_out_cost): New external variable declarations.
2640         (move_table): New typedef.
2641
2642         * caller-save.c: Include headers output.h and ira.h.
2643         (no_caller_save_reg_set): New global variable.
2644         (save_slots_num, save_slots): New variables.
2645         (reg_save_code, reg_restore_code, add_stored_regs): Add
2646         prototypes.
2647         (init_caller_save): Set up no_caller_save_reg_set.
2648         (init_save_areas): Reset save_slots_num.
2649         (saved_hard_reg): New structure.
2650         (hard_reg_map, saved_regs_num, all_saved_regs): New variables.
2651         (initiate_saved_hard_regs, new_saved_hard_reg,
2652         finish_saved_hard_regs, saved_hard_reg_compare_func): New
2653         functions.
2654         (setup_save_areas): Add code for sharing stack slots.
2655         (all_blocks): New variable.
2656         (save_call_clobbered_regs): Process pseudo-register too.
2657         (mark_set_regs): Process pseudo-register too.
2658         (insert_one_insn): Put the insn after bb note in a empty basic
2659         block.  Add insn check.
2660
2661         * global.c (eliminable_regset): Make it external.
2662         (mark_elimination): Use DF_LR_IN for IRA.
2663         (pseudo_for_reload_consideration_p): New.
2664         (build_insn_chain): Make it external.  Don't ignore spilled
2665         pseudos for IRA.  Use pseudo_for_reload_consideration_p.
2666         (gate_handle_global_alloc): New function.
2667         (pass_global_alloc): Add the gate function.
2668
2669         * opts.c (decode_options): Set up flag_ira.  Print the warning for
2670         -fira.
2671         (common_handle_option): Process -fira-algorithm and -fira-verbose.
2672
2673         * timevar.def (TV_IRA, TV_RELOAD): New passes.
2674
2675         * regmove.c (regmove_optimize): Don't do replacement of output for
2676         IRA.
2677
2678         * hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
2679         New external variable declarations.
2680
2681         * local-alloc.c (update_equiv_regs): Make it external.  Return
2682         true if jump label rebuilding should be done.  Rescan new_insn for
2683         notes.
2684         (gate_handle_local_alloc): New function.
2685         (pass_local_alloc): Add the gate function.
2686
2687         * alias.c (value_addr_p, stack_addr_p): New functions.
2688         (nonoverlapping_memrefs_p): Use them for IRA.
2689
2690         * common.opt (fira, fira-algorithm, fira-coalesce,
2691         fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
2692         fira-verbose): New options.
2693
2694         * regclass.c (reg_class_subclasses, contains_reg_of_mode,
2695         move_cost, may_move_in_cost, may_move_out_cost): Make the
2696         variables external.
2697         (move_table): Remove typedef.
2698         (init_move_cost): Make it external.
2699         (allocate_reg_info, resize_reg_info, setup_reg_classes): New
2700         functions.
2701
2702         * rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
2703         setup_reg_classes): New function prototypes.
2704         (eliminable_regset): New external variable declaration.
2705         (build_insn_chain, update_equiv_regs): New function prototypes.
2706
2707         * Makefile.in (IRA_INT_H): New definition.
2708         (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
2709         ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
2710         (reload1.o, toplev.o): Add dependence on ira.h.
2711         (cfgloopanal.o): Add PARAMS_H.
2712         (caller-save.o): Add dependence on output.h and ira.h.
2713         (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
2714         ira-emit.o, ira-lives.o): New entries.
2715
2716         * passes.c (pass_ira): New pass.
2717
2718         * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
2719
2720         * reload1.c (ira.h): Include the header.
2721         (changed_allocation_pseudos): New bitmap.
2722         (init_reload): Initiate the bitmap.
2723         (compute_use_by_pseudos): Permits spilled registers in FROM.
2724         (temp_pseudo_reg_arr): New variable.
2725         (reload): Allocate and free temp_pseudo_reg_arr.  Sort pseudos for
2726         IRA.  Call alter_reg with the additional parameter.  Don't clear
2727         spilled_pseudos for IRA.  Restore original insn chain for IRA.
2728         Clear changed_allocation_pseudos at the end of reload.
2729         (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
2730         (hard_regno_to_pseudo_regno): New variable.
2731         (count_pseudo): Check spilled pseudos.  Set up
2732         hard_regno_to_pseudo_regno.
2733         (count_spilled_pseudo): Check spilled pseudos. Update
2734         hard_regno_to_pseudo_regno.
2735         (find_reg): Use better_spill_reload_regno_p.  Check
2736         hard_regno_to_pseudo_regno.
2737         (alter_reg): Set up spilled_pseudos.  Add a new parameter.  Add
2738         code for IRA.
2739         (eliminate_regs_1): Use additional parameter for alter_reg.
2740         (finish_spills): Set up pseudo_previous_regs only for spilled
2741         pseudos.  Call reassign_pseudos once for all spilled pseudos, pass
2742         more arguments.  Don't clear live_throughout and dead_or_set for
2743         spilled pseudos.  Use additional parameter for alter_reg.  Call
2744         mark_allocation_change.  Set up changed_allocation_pseudos.
2745         Remove sanity check.
2746         (emit_input_reload_insns, delete_output_reload): Use additional
2747         parameter for alter_reg.  Call mark_allocation_change.
2748         (substitute, gen_reload_chain_without_interm_reg_p): New
2749         functions.
2750         (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
2751
2752         * testsuite/gcc.dg/20080410-1.c: New file.
2753
2754         * config/s390/s390.h (IRA_COVER_CLASSES,
2755         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
2756
2757         * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
2758
2759         * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
2760
2761         * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
2762
2763         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
2764
2765         * config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
2766
2767         * config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2768
2769         2008-08-24  Jeff Law  <law@redhat.com>
2770         * ira.c (setup_reg_class_intersect_union): Prefer smallest class
2771         when ignoring unavailable registers.
2772
2773         2008-08-24  Jeff Law  <law@redhat.com>
2774         * ira-color.c (coalesced_pseudo_reg_slot_compare): Check
2775         FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
2776         * ira.c (setup_eliminable_regset): Check stack_realign_needed.
2777         * config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2778
2779         2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
2780         * ira-build.c (allocno_range_compare_func): Stabilize sort.
2781
2782         2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
2783         * config/avr/avr.h (IRA_COVER_CLASSES): New macro.
2784         * reload1.c (find_reg): Process registers in register allocation order.
2785
2786         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
2787         * toplev.c (backend_init_target): Move ira_init call from
2788         here...
2789         (lang_dependent_init_target): ...to here.
2790
2791         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
2792         * ira.c (setup_class_subset_and_memory_move_costs): Don't
2793         calculate memory move costs for NO_REGS.
2794
2795         2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
2796         * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
2797         STACK_REGS is defined.
2798
2799         2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
2800         * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2801
2802         2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
2803         * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2804
2805         2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
2806         * config/sh/sh.h (IRA_COVER_CLASSES): Define.
2807         * config/sh/sh.md (movsicc_true+3): Check if emit returns a
2808         barrier.
2809
2810 2008-08-26  Victor Kaplansky  <victork@il.ibm.com>
2811             Dorit Nuzman  <dorit@il.ibm.com>
2812
2813         * gcc/config/spu/spu.md (vec_extract_evenv4si,
2814         vec_extract_evenv4sf, vec_extract_evenv8hi,
2815         vec_extract_evenv16qi, vec_extract_oddv4si,
2816         vec_extract_oddv4sf, vec_extract_oddv8hi, vec_extract_oddv16qi,
2817         vec_interleave_highv4sf, vec_interleave_lowv4sf,
2818         vec_interleave_highv4si, vec_interleave_lowv4si,
2819         vec_interleave_highv8hi, vec_interleave_lowv8hi,
2820         vec_interleave_highv16qi, vec_interleave_lowv16qi,
2821         vec_pack_trunc_v8hi, vec_pack_trunc_v4si): Implement.S
2822
2823 2008-08-25  Janis Johnson  <janis187@us.ibm.com>
2824
2825         PR target/36756
2826         * config/rs6000/rs6000.c (optimization_options): Don't default to
2827         section anchors without toplevel reorder.
2828
2829 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2830
2831         * config/spu/spu_mfcio.h (mfc_begin_critical_section): New function.
2832         (mfc_end_critical_section): Likewise.
2833
2834 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2835
2836         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Propagate
2837         all type qualifiers from element type to vector type.
2838
2839 2008-08-25  David Daney  <ddaney@avtrex.com>
2840
2841         * config/mips/mips.md (immediate_insn): Move up in file, fix
2842         comment typo, reformat.
2843         (fetchop_bit, atomic_hiqi_op memory_barrier,
2844         sync_compare_and_swap<mode>, compare_and_swap_12, sync_add<mode>,
2845         sync_<optab><mode>, sync_<optab>_12, sync_old_<optab><mode>,
2846         sync_old_<optab>_12, sync_new_<optab><mode>, sync_new_<optab>_12,
2847         sync_nand<mode>, sync_nand_12, sync_old_nand<mode>,
2848         sync_old_nand_12, sync_new_nand<mode>, sync_new_nand_12,
2849         sync_sub<mode>, sync_old_add<mode>, sync_old_sub<mode>,
2850         sync_new_add<mode>, sync_new_sub<mode>, sync_<optab><mode>,
2851         sync_old_<optab><mode>, sync_new_<optab><mode>, sync_nand<mode>,
2852         sync_old_nand<mode>, sync_new_nand<mode>,
2853         sync_lock_test_and_set<mode>, sync_lock_test_and_set<mode>,
2854         test_and_set_12): Moved to sync.md.
2855         (sync.md): Include.
2856         * config/mips/sync.md: New file.
2857
2858 2008-08-25  Richard Henderson  <rth@redhat.com>
2859
2860         * dwarf2out.c (def_cfa_1): Don't scale by DWARF_CIE_DATA_ALIGNMENT.
2861         (regsave): Likewise.
2862         (lookup_cfa_1): Don't rescale by DWARF_CIE_DATA_ALIGNMENT.
2863         (output_cfi_directive): Likewise.
2864         (div_data_align): New.
2865         (output_cfi): Use it.
2866
2867 2008-08-24  Adam Nemet  <anemet@caviumnetworks.com>
2868
2869         * config.gcc (mips64*-*-linux*): Handle mips64octeon*-*-linux*.
2870         * config/mips/mips.h (enum processor_type): Add PROCESSOR_OCTEON.
2871         (TARGET_OCTEON): New macro.
2872         (TARGET_CPU_CPP_BUILTINS): Define __OCTEON__ for Octeon.
2873         (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): Handle -march=octeon.
2874         (ISA_HAS_POP): New macro.
2875         * config/mips/driver-native.c (host_detect_local_cpu): Handle
2876         Octeon.
2877         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2878         Handle Octeon.
2879         * config/mips/mips.md (cpu): Add octeon.
2880         (type): Add pop attribute value.
2881         (popcount<mode>2): New pattern.
2882         * doc/invoke.texi (-march=@var{arch}): Add octeon.
2883
2884 2008-08-24  Jan Hubicka  <jh@suse.cz>
2885
2886         * doc/invoke.texi (-fipa-cp-clone): New option.
2887         (-fipa-cp): Update docs.
2888         (--param ipcp-unit-growth):New.
2889         * ipa-cp.c: Include fibheap.h, params.h
2890         (ipcp_initialize_node_lattices): When not cloning, all externally
2891         visible functions are bottom.
2892         (ipcp_need_redirect_p): Accept clones.
2893         (ipcp_insert_stage): Use cost driven heuristics.
2894         (max_count, dead_nodes): New static vars.
2895         (ipcp_need_original_clone_p, ipcp_estimate_cloning_cost,
2896         ipcp_const_param_count): New functions.
2897         * common.opt (ipa-cp-clone): New command line option.
2898         * params.def (ipcp-unit-growth): New.
2899
2900 2008-08-24  Jan Hubicka  <jh@suse.cz>
2901
2902         * tree-inline.c (tree_function_versioning): Look harder
2903         for referenced vars.
2904
2905 2008-08-24  Razya Ladelsky  <razya@il.ibm.com>
2906
2907         PR tree-optimization/37185
2908         * matrix-reorg.c (transform_access_sites): Update changed stmt.
2909
2910 2008-08-23  Jan Hubicka  <jh@suse.cz>
2911
2912         * ipa-cp.c (ipcp_analyze_node): New function.
2913         (ipcp_update_cloned_node): Use it.
2914         (ipcp_init_stage): Likewise.
2915         * ipa-inline.c (function_insertion_hook_holder): New static var.
2916         (analyze_function): Break out from ....
2917         (inline_generate_summary): Here; register insertion hook.
2918         (cgraph_decide_inlining): Remove hook.
2919         (add_new_function): New function.
2920
2921 2008-08-23  Jan Hubicka  <jh@suse.cz>
2922
2923         * opts.c (decode_options): Revert accidental change enabling ipa-cp.
2924
2925 2008-08-23  Jan Hubicka  <jh@suse.cz>
2926
2927         * ipa-cp.c (constant_val_insert): Remove.
2928         (ipcp_propagate_one_const): Remove.
2929         (ipcp_create_replace_map): Always insert replacements to the map.
2930         (ipcp_insert_stage): Do not try to insert statements by hand.
2931         * tree-inline.c (insert_init_stmt): Break out from ...
2932         (setup_one_parameter): ... here; allow NULL BB pointer.
2933         (tree_function_versioning): Use setup_one_parameter to process
2934         replacement map.
2935
2936 2008-08-23  Jan Hubicka  <jh@suse.cz>
2937
2938         * tree.c (decl_address_ip_invariant_p): New function.
2939         * tree.h (decl_address_ip_invariant_p): Declare.
2940         * gimple.c (strip_invariant_refs): Break out from ...
2941         (is_gimple_invariant_address): ... here
2942         (is_gimple_ip_invariant_address): New function.
2943         (is_gimple_ip_invariant): New function.
2944         * gimple.h (is_gimple_ip_invariant_address, is_gimple_ip_invariant):
2945         Declare.
2946
2947         * ipa-cp.c (ipcp_lat_is_const): Remove handling of IPA_CONST_VALUE_REF.
2948         (ipcp_lat_is_insertable): All constants are insertable.
2949         (ipcp_lattice_from_jfunc, ipcp_print_all_lattices): Remove handling of
2950         IPA_CONST_VALUE_REF.
2951         (ipcp_initialize_node_lattices): Propagate all types of operands.
2952         (build_const_val): Do not handle IPA_CONST_VALUE_REF.
2953         (ipcp_create_replace_map): Reformat.
2954         (ipcp_need_redirect_p): Simplify.
2955         (ipcp_insert_stage): Check that argument is used before clonning.
2956         * ipa-prop.c (ipa_print_node_jump_functions): Do not handle IPA_CONST_REF.
2957         (compute_scalar_jump_functions): Simplify using is_gimple_ip_invariat.
2958         (determine_cst_member_ptr): Keep wrapping ADDR_EXPR of members.
2959         (update_call_notes_after_inlining): Expect ADDR_EXPR in operand.
2960         * ipa-prop.h (jump_func_type): Remove IPA_CONST_REF.
2961         (jump_func_type): Remove IPA_CONST_VALUE_REF.
2962         * tree-inline.c (tree_function_versioning): Add variables referenced by
2963         replacing trees.
2964
2965 2008-08-23  Jan Hubicka  <jh@suse.cz>
2966
2967         PR target/37094
2968         * i386.c (standard_80387_constant_p): Use optimize_size.
2969
2970 2008-08-23  Ira Rosen  <irar@il.ibm.com>
2971
2972         PR tree-optimization/37161
2973         * tree-vectorizer.h (vect_get_smallest_scalar_type): Declare.
2974         * tree-vect-analyze.c (vect_get_smallest_scalar_type): New function.
2975         (vect_determine_vectorization_factor): Move the scalar type
2976         retrieval to vect_get_smallest_scalar_type.
2977         (vect_build_slp_tree): Call vect_get_smallest_scalar_type to get
2978         scalar type. Remove redundant computation.
2979         * tree-vect-transform.c (vect_get_constant_vectors): Add argument.
2980         (vect_get_slp_defs): Take the type of RHS into account if
2981         necessary by calling vect_get_smallest_scalar_type. Call
2982         vect_get_constant_vectors with additional argument.
2983
2984 2008-08-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2985
2986         PR 35648
2987         * doc/invoke.texi (Wwrite-strings): Clarify description.
2988
2989 2008-08-23  Ira Rosen  <irar@il.ibm.com>
2990
2991         PR tree-optimization/37174
2992         * tree-vect-analyze.c (vect_get_and_check_slp_defs): Check that the
2993         def stmt is a part of the loop before accessing its stmt_vec_info.
2994
2995 2008-08-22  Anatoly Sokolov  <aesok@post.ru>
2996
2997         PR target/11259
2998         * config/avr/avr.md (UNSPEC_SWAP): New constants.
2999         (*swap): New insn pattern.
3000         (*ashlqi3): Rename from ashlqi3 insn pattern.
3001         (ashlqi3): New expanders.
3002         (*lshrqi3): Rename from lshrqi3 insn pattern.
3003         (lshrqi3): New expanders.
3004         (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4,
3005         lshrqi3_const5, lshrqi3_const6): New splitters.
3006         (andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6,
3007         lshrqi3_l_const4, lshrqi3_l_const5, lshrqi3_l_const6): Define
3008         peephole2 patterns.
3009
3010 2008-08-22  Richard Guenther  <rguenther@suse.de>
3011
3012         PR tree-optimization/37078
3013         * tree-vrp.c (extract_range_from_unary_expr): Avoid generating
3014         [+INF, +INF] ranges.
3015
3016 2008-08-22  Richard Guenther  <rguenther@suse.de>
3017
3018         PR tree-optimization/37143
3019         * tree-vect-transform.c (vect_create_cond_for_align_checks): Build
3020         a conversion statement instead of a copy.
3021
3022 2008-08-22  Uros Bizjak  <ubizjak@gmail.com>
3023
3024         PR target/37184
3025         * config/i386/i386.c (ix86_match_ccmode): Handle CCAmode,
3026         CCCmode, CCOmode and CCSmode destination modes.
3027
3028         PR target/37191
3029         * config/i386/mmx.md (*vec_extractv2sf_0): Avoid combining registers
3030         from different units in a single alternative.
3031         (*vec_extractv2sf_1): Ditto.
3032         (*vec_extractv2si_0): Ditto.
3033         (*vec_extractv2si_1): Ditto.
3034         * config/i386/sse.md (sse2_storehpd): Ditto.
3035         (sse2_storelpd): Ditto.
3036         (sse2_loadhpd): Ditto.
3037         (sse2_loadlpd): Ditto.
3038
3039         PR target/37197
3040         * config/i386/i386.md (clzsi2_abm): Fix operand 1 constraints.
3041         (popcountsi2): Ditto.
3042         (clzdi2_abm): Ditto.
3043         (popcountdi2): Ditto.
3044         (clzhi2_abm): Ditto.
3045         (popcounthi2): Ditto.
3046
3047 2008-08-22  Richard Guenther  <rguenther@suse.de>
3048
3049         PR middle-end/36548
3050         PR middle-end/37125
3051         * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only
3052         if the multiplication does not overflow.
3053
3054 2008-08-21  Nathan Sidwell  <nathan@codesourcery.com>
3055
3056         * c-ppoutput.c (init_pp_output): Initialize src_line to 1.
3057
3058 2008-08-21  Richard Henderson  <rth@redhat.com>
3059
3060         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Remove
3061         spurrious comma from test.
3062         * configure: Rebuild.
3063
3064 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3065
3066         PR 30457
3067         * builtins.c (fold_builtin_next_arg): Add warning about undefined
3068         behaviour.
3069
3070 2008-08-21  Aldy Hernandez  <aldyh@redhat.com>
3071
3072         * c-tree.h (grokfield): New argument.
3073         * c-decl.c (grokfield): Handle new location argument.
3074         * c-parser.c (c_parser_struct_declaration): Pass location to
3075         grokfield.
3076
3077 2008-08-21  Richard Guenther  <rguenther@suse.de>
3078
3079         * tree-ssa-ccp.c (ccp_fold): Fold VIEW_CONVERT_EXPRs of constants.
3080
3081 2008-08-21  Jan Hubicka  <jh@suse.cz>
3082
3083         * cgraph.c (first_cgraph_function_insertion_hook): New variable.
3084         (cgraph_add_function_insertion_hook,
3085         cgraph_remove_function_insertion_hook,
3086         cgraph_call_function_insertion_hooks): New functions.
3087         * cgraph.h (cgraph_add_function_insertion_hook,
3088         cgraph_remove_function_insertion_hook,
3089         cgraph_call_function_insertion_hooks): Declare.
3090         * ipa-reference.c (function_insertion_hook_holder): New variable.
3091         (check_operand, look_for_address_of): When checking late, do not care
3092         about module bitmaps.
3093         (add_new_function): New function.
3094         (generate_summary): Register hooks; zero module bitmaps.
3095         (propagate): Unregister hooks.
3096         * ipa-pure-const.c (function_insertion_hook_holder): New variable.
3097         (add_new_function): New function.
3098         (generate_summary): Register hook.
3099         (propagate): Remove hook.
3100
3101         * ipa-cp.c (ipcp_need_redirect_p): Fix to not be constant 0.
3102
3103         * tree-pass.h (pass_ipa_cp): Make ipa_opt_pass.
3104         * ipa-cp.c (ipcp_update_cloned_node): New function.
3105         (build_const_val): Handle functions correctly; bring type logic
3106         into sync with tree-inline.c
3107         (ipcp_init_stage):  Take care of computing stuff needed by
3108         indirect inlining; update clones.
3109         (ipcp_generate_summary): Break out of ipcp_driver.
3110         (ipcp_driver): Do only execution and transformation.
3111         (pass_ipa_cp): Make IPA_PASS.
3112         * tree-ssa-ccp.c (fold_stmt_r): Check type before trying to fold
3113         offset to address.
3114         * ipa-inline.c (inline_indirect_intraprocedural_analysis): When doing
3115         ipcp, some info is already available.
3116         * ipa-prop.c (ipa_count_arguments): Grow edge lists as needed.
3117         * tree-inline.c (remap_ssa_name): Unshare expression.
3118
3119 2008-08-21  Richard Guenther  <rguenther@suse.de>
3120
3121         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3122         a PHI ask VN if it is already available.
3123         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3124         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3125
3126 2008-08-21  Richard Guenther  <rguenther@suse.de>
3127
3128         PR middle-end/36817
3129         * tree-chrec.c (chrec_apply): Always call chrec_fold_plus which
3130         makes sure to produce a result of the correct type.
3131
3132 2008-08-21  Jan Hubicka  <jh@suse.cz>
3133         Backport from LTO branch:
3134
3135         2008-05-05  Kenneth Zadeck <zadeck@naturalbridge.com>
3136                     Jan Hubicka  <jh@suse.cz>
3137
3138         * ipa-pure-const.c
3139         (init_state, finish_state, set_function_state, generate_summary):
3140         New functions.
3141         (scan_stmt): Renamed from scan_function.  Changed to keep state in
3142         local static vars rather than cgraph aux field.
3143         (propagate): Renamed from static_execute. Changed to keep state in
3144         local static vars rather than cgraph aux field.
3145         (pass_ipa_pure_const): Changed from SIMPLE_IPA_PASS to IPA_PASS.
3146         * tree-pass.h (pass_ipa_pure_const): Turn into IPA_PASS.
3147
3148         2008-07-15  Kenneth Zadeck <zadeck@naturalbridge.com>
3149
3150         * tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass.
3151         * ipa-reference.c (init_function_info, generate_summary,
3152         propagate): New functions.
3153         (analyze_function):  Call init_function_info.
3154         (static_execute): Stripped into generate_summary and propagate.
3155         (pass_ipa_reference): Made into ipa_opt_pass.
3156
3157 2008-08-21  Richard Guenther  <rguenther@suse.de>
3158
3159         PR tree-optimization/37181
3160         * tree-vrp.c (extract_range_from_binary_expr): Check for NULL
3161         folding result.
3162         (extract_range_from_unary_expr): Likewise.
3163
3164 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3165
3166         * diagnostic.c (pedwarn_at): Rename as pedwarn.
3167         (pedwarn): Delete.
3168         * toplev.h (pedwarn_at): Likewise.
3169         * builtins.c: Update all calls to pedwarn.
3170         * c-lex.c: Likewise.
3171         * toplev.c: Likewise.
3172         * c-tree.h: Likewise.
3173         * c-decl.c: Likewise.
3174         * c-errors.c: Likewise.
3175         * c-typeck.c: Likewise.
3176         * c-common.c: Likewise.
3177         * c-parser.c: Likewise.
3178
3179 2008-08-20  Joseph Myers  <joseph@codesourcery.com>
3180
3181         PR target/31070
3182         * config/sparc/sparc.c (function_arg_slotno): Handle structure
3183         with MODE_VECTOR_INT mode.
3184
3185 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3186
3187         PR middle-end/179
3188         * tree-ssa.c (warn_uninit): Do not warn for variables that can be
3189         initialized outside the current module.
3190         (warn_uninitialized_var): Ignore left-hand side when walking the
3191         trees. Ignore address expressions. Examine VUSE operands in gimple
3192         statements with a variable declaration on the right-hand side.
3193
3194 2008-08-20  Richard Sandiford  <rdsandiford@googlemail.com>
3195
3196         PR bootstrap/37155
3197         * rtlanal.c (subreg_offset_representable_p): Revert last change.
3198
3199 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3200
3201         PR 35701
3202         * c-common.c (conversion_warning): Do not warn if applying bit-and
3203         operator to unsigned constant that fits in the target type.
3204
3205 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3206
3207         PR c++/35602
3208         * c-common.c (conversion_warning): Do not warn for artificial
3209         expressions.
3210
3211 2008-08-20  Richard Guenther  <rguenther@suse.de>
3212
3213         * tree-vrp.c (op_with_constant_singleton_value_range): New function.
3214         (extract_range_from_binary_expr): Fall back to constant propagation.
3215         (extract_range_from_unary_expr): Likewise.
3216
3217 2008-08-20  Richard Guenther  <rguenther@suse.de>
3218
3219         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Do not mess
3220         with TREE_THIS_VOLATILE on shared nodes.
3221         (fold_stmt_r): Likewise.
3222
3223 2008-08-20  Jakub Jelinek  <jakub@redhat.com>
3224
3225         PR c/37171
3226         * c-parser.c (c_parser_attributes): For keywords use canonical
3227         spelling for attr_name.
3228
3229 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3230
3231         * value-prof.c (check_counter): Revert wrong call to error.
3232
3233 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3234
3235         * profile.c: Update calls to inform.
3236         * value-prof.c: Update calls to inform.
3237
3238 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3239
3240         * diagnostic.c (inform): Add an explicit location_t parameter.
3241         * toplev.h (inform): Update declaration.
3242         * builtins.c: Update all calls to inform.
3243         * c-common.c: Likewise.
3244         * c-decl.c: Likewise.
3245         * c-opts.c: Likewise.
3246         * c-pch.c: Likewise.
3247         * c-pragma.c: Likewise.
3248         * c-typeck.c: Likewise.
3249         * coverage.c: Likewise.
3250         * opts.c: Likewise.
3251         * toplev.c: Likewise.
3252         * tree-cfg.c: Likewise.
3253         * tree-ssa.c: Likewise.
3254
3255 2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>
3256
3257         PR target/37169
3258         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In
3259         V2DI mode, for SSE4.1, use movq instead of vector set if the
3260         second element is zero and inter-unit moves are OK.
3261
3262 2008-08-20  Richard Guenther  <rguenther@suse.de>
3263
3264         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): More
3265         properly handle conversion/copy chains after tuplification.
3266
3267 2008-08-20  Richard Guenther  <rguenther@suse.de>
3268
3269         * passes.c (init_optimization_passes): Move the second
3270         forwprop pass before alias computation.  Remove the second
3271         DCE pass.  Remove the first dominator and phi copy/const
3272         prop passes.
3273
3274 2008-08-20  Nick Clifton  <nickc@redhat.com>
3275
3276         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Always test for assembler
3277         support of this feature.  Do not assume that a sufficiently new
3278         assembler will support the feature regardless of the target type.
3279         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
3280         * configure: Regenerate.
3281
3282 2008-08-20  Richard Guenther  <rguenther@suse.de>
3283
3284         * tree-vrp.c (found_in_subgraph): Remove.
3285         (live): New global static.
3286         (live_on_edge): New function.
3287         (blocks_visited): Remove.
3288         (register_edge_assert_for_2): Use live_on_edge.
3289         (find_conditional_asserts): Remove code dealing with
3290         found_in_subgraph.  Do not walk the CFG.
3291         (find_switch_asserts): Likewise.
3292         (find_assert_locations_1): Renamed from find_assert_locations.
3293         Move finding assert locations for conditional and switch
3294         statements first.  Update live bitmap.  Do not walk the CFG.
3295         (find_assert_locations): New function.
3296         (insert_range_assertions): Remove entry of CFG walk.
3297         Adjust call to find_assert_locations.
3298         * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges
3299         that only can appear because of fake exit edges but assert we
3300         never try to insert on those.
3301         (fini_pre): Do not remove fake exit edges here...
3302         (execute_pre): ...but here, before committing edge inserts.
3303
3304 2008-08-19  Richard Guenther  <rguenther@suse.de>
3305
3306         * passes.c (init_optimization_passes): Exchange store-ccp
3307         with a ccp pass.
3308
3309 2008-08-19  Rafael Espindola  <espindola@google.com>
3310
3311         * varasm.c (weak_decls): Move earlier in the file.
3312         (assemble_external): Add weak decls to the weak_decls list.
3313         (declare_weak): Don't add decls to the weak_decls list.
3314
3315 2008-08-19  H.J. Lu  <hongjiu.lu@intel.com>
3316
3317         PR target/37157
3318         * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved
3319         before (sse2_shufpd_<mode>).
3320
3321 2008-08-19  Jakub Jelinek  <jakub@redhat.com>
3322
3323         PR debug/37156
3324         * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees.
3325         * tree.c (block_nonartificial_location): Likewise.
3326
3327 2008-08-19  Richard Guenther  <rguenther@suse.de>
3328
3329         PR tree-optimization/35972
3330         PR tree-optimization/23094
3331         * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk
3332         parameter.
3333         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
3334         handle MISALIGNED_INDIRECT_REF.
3335         (get_ref_from_reference_ops): New helper.
3336         (vn_reference_lookup_pieces): Walk the use-def chain using the
3337         alias-oracle if requested.
3338         * tree-ssa-pre.c (phi_translate_1): Do reference lookup with
3339         walking the use-def chain.
3340         (compute_avail): But not here.
3341         (create_component_ref_by_pieces_1): Properly handle
3342         MISALIGNED_INDIRECT_REF.
3343         (do_regular_insertion): Handle fully redundant
3344         expressions after PHI-translation also for SSA_NAME values, not
3345         only constants.  Correctly use edoubleprime for that.
3346
3347 2008-08-19  Ira Rosen  <irar@il.ibm.com>
3348
3349         * tree-vectorizer.c (supportable_widening_operation): Support
3350         multi-step conversion, return the number of steps in such conversion
3351         and the required intermediate types.
3352         (supportable_narrowing_operation): Likewise.
3353         * tree-vectorizer.h (vect_pow2): New function.
3354         (supportable_widening_operation): Change argument types.
3355         (supportable_narrowing_operation): Likewise.
3356         (vectorizable_type_promotion): Add an argument.
3357         (vectorizable_type_demotion): Likewise.
3358         * tree-vect-analyze.c (vect_analyze_operations): Call
3359         vectorizable_type_promotion and vectorizable_type_demotion with
3360         additional argument.
3361         (vect_get_and_check_slp_defs): Detect patterns.
3362         (vect_build_slp_tree): Add an argument, don't fail in case of multiple
3363         types.
3364         (vect_analyze_slp_instance): Don't fail in case of multiple types. Call
3365         vect_build_slp_tree with correct arguments. Calculate unrolling factor
3366         according to the smallest type in the loop.
3367         (vect_detect_hybrid_slp_stmts): Include statements from patterns.
3368         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call
3369         supportable_widening_operation with correct arguments.
3370         * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector
3371         operands lists according to the number of vector statements in left
3372         or right node, if exists.
3373         (vect_gen_widened_results_half): Remove unused argument.
3374         (vectorizable_conversion): Call supportable_widening_operation,
3375         supportable_narrowing_operation, and vect_gen_widened_results_half
3376         with correct arguments.
3377         (vectorizable_assignment): Change documentation, support multiple
3378         types in SLP.
3379         (vectorizable_operation): Likewise.
3380         (vect_get_loop_based_defs): New function.
3381         (vect_create_vectorized_demotion_stmts): Likewise.
3382         (vectorizable_type_demotion): Support loop-aware SLP and general
3383         multi-step conversion. Call vect_get_loop_based_defs and
3384         vect_create_vectorized_demotion_stmts for transformation.
3385         (vect_create_vectorized_promotion_stmts): New function.
3386         (vectorizable_type_promotion): Support loop-aware SLP and general
3387         multi-step conversion. Call vect_create_vectorized_promotion_stmts
3388         for transformation.
3389         (vectorizable_store): Change documentation, support multiple
3390         types in SLP.
3391         (vectorizable_load): Likewise.
3392         (vect_transform_stmt): Pass SLP_NODE to
3393         vectorizable_type_promotion and vectorizable_type_demotion.
3394         (vect_schedule_slp_instance): Move here the calculation of number
3395         of vectorized statements for each node from...
3396         (vect_schedule_slp): ... here.
3397         (vect_transform_loop): Call vect_schedule_slp without the last
3398         argument.
3399
3400 2008-08-19  Dorit Nuzman  <dorit@il.ibm.com>
3401
3402         PR bootstrap/37152
3403         * tree-vect-transform.c (vect_create_epilog_for_reduction): Change =
3404         to == in assert statement.
3405         (vectorizable_reduction): Fix typo.
3406
3407 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
3408
3409         PR bootstrap/37153
3410         * value-prof.c (check_counter): Dereference pointer to overall
3411         count when printing it.
3412
3413 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
3414
3415         * profile.h: Really add it.
3416
3417 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
3418
3419         * mcf.c: Really add it.
3420
3421 2008-08-18  Paul Yuan  <yingbo.com@gmail.com>
3422             Vinodha Ramasamy  <vinodha@google.com>
3423
3424         * cgraph.c (cgraph_edge): Handle inconsistent counts when setting
3425         count_scale.
3426         * value-prof.c (check_counter): Fix the counter if
3427         flag_profile_correction is true.
3428         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3429         tree_mod_subtract_transform):
3430         Follow check_counter parameter change.
3431         * common.opt (fprofile-correction): New option.
3432         * mcf.c: New file.
3433         * profile.h: Likewise.
3434         * profile.c (edge_info, EDGE_INFO): Moved to new file profile.h.
3435         (sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts,
3436         is_inconsistent, set_bb_counts, read_profile_edge_counts): New
3437         functions.
3438         (compute_branch_probabilities): Refactored. Invokes mcf_smooth_cfg if
3439         flag_profile_correction is set.
3440
3441 2008-08-18  Richard Sandiford  <rdsandiford@googlemail.com>
3442
3443         * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK.
3444
3445 2008-08-18  Tomas Bily  <tbily@suse.cz>
3446
3447         * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P.
3448         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use
3449         CONVERT_EXPR_P.
3450         * tree-data-ref.c (split_constant_offset_1): Likewise.
3451         * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT.
3452         * tree-sra.c (sra_walk_expr): Likewise.
3453         * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise.
3454         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
3455         * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P.
3456         * tree-ssa-structalias.c (find_func_aliases, find_func_aliases):
3457         Likewise.
3458         * gimple.c (gimple_assign_unary_nop_p): Likewise.
3459         * tree-vect-transform.c (vectorizable_type_demotion)
3460         (vectorizable_type_promotion): Likewise.
3461         * tree-inline.c (expand_call_inline):
3462         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
3463         (forward_propagate_addr_expr_1, forward_propagate_comparison)
3464         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3465         * expr.c (expand_expr_real_1): Likewise.
3466         * tree-ssa-dom.c (hashable_expr_equal_p, iterative_hash_hashable_expr)
3467         (gimple_assign_unary_useless_conversion_p): Likewise.
3468         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3469         * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise.
3470         * fold-const.c (fold_unary): Likewise.
3471         * tree.h (CONVERT_EXPR_P): Likewise.
3472         * tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
3473         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
3474         * tree-vrp.c:
3475         (register_edge_assert_for_2, extract_range_from_unary_expr)
3476         (register_edge_assert_for_1): Likewise.
3477
3478 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3479
3480         * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
3481         dconst_third_ptr, dconst_sqrt2_ptr): Declare.
3482         (enum real_value_const): Delete.
3483         (get_real_const): Delete.
3484         * real.c (get_real_const): Delete.
3485         (dconst_e_ptr): Define.
3486         (dconst_third_ptr): Define.
3487         (dconst_sqrt2_ptr): Define.
3488         * builtins.c: Update all callers.
3489
3490 2008-08-18  Richard Guenther  <rguenther@suse.de>
3491
3492         * tree-ssa-reassoc.c (reassociate_bb): Properly reset the
3493         statement iterator after statement removal.
3494
3495 2008-08-18  Andreas Tobler  <a.tobler@schweiz.org>
3496
3497         * config/rs6000/driver-rs6000.c (detect_caches_freebsd): New function.
3498         (detect_processor_freebsd): Likewise.
3499         (host_detect_local_cpu): Call newly added functions for FreeBSD.
3500
3501 2008-08-18  Richard Guenther  <rguenther@suse.de>
3502
3503         * tree-cfg.c (verify_types_in_gimple_assign): Verify copies
3504         and loads have the correct types.
3505
3506 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3507
3508         PR cpp/7263
3509         * c-opts.c (cpp_opts): Remove static.
3510         * c-parser.c (cpp_opts): Declare it extern.
3511         (disable_extension_diagnostics): Handle cpp options.
3512         (enable_extension_diagnostics): Likewise.
3513
3514 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3515
3516         * diagnostics.c (permerror_at): Rename as permerror.
3517         (permerror): Delete.
3518         * toplev.h: Likewise.
3519
3520 2008-08-18  Richard Guenther  <rguenther@suse.de>
3521
3522         * passes.c (init_optimization_passes): Remove cleanup_cfg1,
3523         sdse1 and addressables2 passes.  Replace dce1 with cddce1.
3524         Move call_cdce before build_alias.  Move copyrename2,
3525         cunrolli and ccp2 beafore build_alias.  Re-add addressable2
3526         right after final inlining.
3527         * tree-cfg.c (build_gimple_cfg): Do not dump function here.
3528         (pass_build_cfg): But instead via TODO_dump_func.
3529
3530 2008-08-18  Richard Guenther  <rguenther@suse.de>
3531
3532         * tree-sra.c (generate_element_init_1): Deal with NULL constructor
3533         element index.
3534         (scalarize_init): If we failed to generate some initializers
3535         do not generate zeros for not instantiated members.  Instead
3536         rely on the copy out.
3537         * tree-ssa-operands.c (get_addr_dereference_operands): Warn
3538         about missing flow-sensitive alias info only if we have
3539         aliases computed.
3540
3541 2008-08-17  Nick Clifton  <nickc@redhat.com>
3542
3543         * doc/extend.texi (Function Attributes): Fix typo in description
3544         if hot function attribute.
3545
3546 2008-08-17  Daniel Jacobowitz  <dan@codesourcery.com>
3547             Richard Sandiford  <rdsandiford@googlemail.com>
3548
3549         * doc/install.texi (--with-mips-plt): Document.
3550         * doc/invoke.texi (-mplt, -mno-plt): Document.
3551         * config.gcc (mips*-*-*): Add mips-plt to supported_defaults
3552         and handle ${with_mips_plt}.
3553         * config/mips/mips.opt (mplt): New option.
3554         * config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro.
3555         (TARGET_ABICALLS_PIC2): Likewise.
3556         (TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS.
3557         (OPTION_DEFAULT_SPECS): Add a mips-plt entry.
3558         (ASM_SPEC): Use !mabi=* instead of !mabi*.
3559         (MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS
3560         to decide whether to output ".option picX" directives.
3561         * config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling.
3562         Pass -call_nonpic rather than -KPIC for -mplt.
3563         (BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present
3564         on the command line.  Also remove it when -mabi=64 is used without
3565         -msym32.
3566         * config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete.
3567         * config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle
3568         TARGET_ABICALLS_PIC0.
3569         (mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of
3570         TARGET_ABICALLS.
3571         (mips16_build_function_stub): Only output ".option pic" directives
3572         and PIC stubs if TARGET_ABICALLS_PIC2.  Call through $25 instead of $1.
3573         (mips16_build_call_stub): Fix comment and remove redundant
3574         ".set at"/"set .noat" directives.
3575         (mips_function_rodata_section): Use the default behaviour for
3576         TARGET_ABSOLUTE_ABICALLS.
3577         (mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0.
3578         (mips_global_pointer): Handle TARGET_ABICALLS_PIC0.
3579         (mips_restore_gp): Do nothing if the current function doesn't use
3580         a global pointer.
3581         (mips_expand_prologue): Only save $gp if the current function uses it.
3582         Use a normal move for TARGET_ABICALLS_PIC0.
3583         (mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2.
3584
3585 2008-08-17  Richard Sandiford  <rdsandiford@googlemail.com>
3586
3587         * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
3588         of function when handling GLOBAL_POINTER_REGNUM.
3589
3590 2008-08-16  Eric Botcazou  <ebotcazou@adacore.com>
3591
3592         PR ada/20548
3593         * common.opt (-fstack-check): Do not declare the variable here.
3594         (-fstack-check=): New option variant.
3595         * doc/invoke.texi (Code Gen Options): Document it.
3596         * expr.h (STACK_OLD_CHECK_PROTECT): New macro.
3597         (STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
3598         (STACK_CHECK_STATIC_BUILTIN): New macro.
3599         * doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
3600         * opts.c: Include expr.h.
3601         (common_handle_option) <OPT_fold_stack_check_>: New case.
3602         <OPT_fstack_check>: Likewise.
3603         * calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
3604         consistently in the test for variable-sized types.  Adjust for
3605         new behaviour of flag_stack_check.
3606         * explow.c: Include except.h.
3607         (allocate_dynamic_stack_space): Do not take into account
3608         STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
3609         * function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
3610         for variable-sized parameters.  Treat all parameters whose size is
3611         greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
3612         stack checking is enabled.
3613         * gimplify.c (gimplify_decl_expr): Treat non-static objects whose
3614         size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
3615         if generic stack checking is enabled.
3616         (expand_function_end): Adjust for new behaviour of flag_stack_check.
3617         * reload1.c (reload): Likewise.
3618         * stmt.c (expand_decl): Assert that all automatic variables have
3619         fixed size at this point and remove dead code.
3620         * flags.h (stack_check_type): New enumeration type.
3621         (flag_stack_check): Declare.
3622         * toplev.c (flag_stack_check): New global variable.
3623         * Makefile.in (opts.o): Add dependency on EXPR_H.
3624         (explow.o): Add dependency on except.h.
3625
3626 2008-08-16  Andy Hutchinson  <hutchinsonandy@aim.com>
3627
3628         * config/avr/avr.c (avr_override_options): Reduce value of
3629         PARAM_INLINE_CALL_COST.
3630
3631 2008-08-15  Eric Botcazou  <ebotcazou@adacore.com>
3632
3633         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: When converting
3634         to BLKmode, try to fetch an inner memory reference.  Use 'mode' in
3635         lieu of TYPE_MODE (type) throughout.
3636
3637 2008-08-15  Joseph Myers  <joseph@codesourcery.com>
3638
3639         * config/arm/arm.c (add_minipool_backward_ref): Check for
3640         8-byte-aligned entries in second case of forcing insertion after a
3641         particular entry.  Change third case to avoid inserting
3642         non-8-byte-aligned entries before 8-byte-aligned ones.
3643
3644 2008-08-15  Richard Guenther  <rguenther@suse.de>
3645
3646         * tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not
3647         strip components for unknown size accesses.
3648
3649 2008-08-15  Wolfgang Gellerich  <gellerich@de.ibm.com>
3650
3651         * config/s390/2097.md New file.
3652         * config/s390/s390.md ("z10prop" attribute): Define none,
3653         z10_super, z10_super_E1, z10_super_A1, z10_super_c,
3654         z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1,
3655         z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as
3656         possible values and apply them to insns as appropriate.
3657         ("type" attribute): Removed itof and added ftrunctf,ftruncdf,
3658         ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd,
3659         fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd,
3660         fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible
3661         values.
3662         ("bfp" mode attribute): Removed.  Every occurence replaced
3663         with <mode>.
3664         * config/s390/s390.c (struct "z10_cost"): Updated entries.
3665         * config/s390/2084.md (insn_reservation "x_itof"): Updated
3666           type attribute.
3667
3668 2008-08-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3669
3670         PR c/28152
3671         * c-parser.c (c_lex_one_token): Do not store the canonical spelling
3672         for keywords.
3673
3674 2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>
3675
3676         * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
3677         additional argument. Support reduction when duplication is needed due
3678         to data-types of different sizes in the loop.
3679         (get_initial_def_for_induction): Fix printout.
3680         (vect_get_vec_def_for_stmt_copy): Support case where the
3681         vec_stmt_for_operand is a phi node.
3682         (vectorizable_reduction): Support reduction when duplication is needed
3683         due to data-types of different sizes in the loop.
3684         (vectorizable_call): Remove restriction to not vectorize in case we
3685         have data-types of different sizes in the loop.
3686         (vectorizable_conversion): Likewise.
3687         (vectorizable_operation): Likewise.
3688         (vectorizable_type_demotion): Likewise.
3689         (vectorizable_type_promotion): Likewise.
3690         (vectorizable_induction): Add restriction to not vectorize in case
3691         we have data-types of different sizes in the loop.
3692
3693 2008-08-14  Christophe Saout  <christophe@saout.de>
3694             Uros Bizjak  <ubizjak@gmail.com>
3695
3696         PR target/37101
3697         * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
3698         (*vec_concatv2di_rex64_sse4_1): Ditto.
3699         (*vec_concatv2di_rex64_sse): Ditto.
3700
3701 2008-08-14  Jakub Jelinek  <jakub@redhat.com>
3702
3703         PR middle-end/37103
3704         * fold-const.c (fold_widened_comparison): Do not allow
3705         sign changes that change the result even if shorter type
3706         is wider than arg1_unw's type.
3707
3708 2008-08-13  Kazu Hirata  <kazu@codesourcery.com>
3709
3710         * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
3711         Skip if the multilib testing specifies -march that does not
3712         agree with the one specified in the testcase.
3713
3714 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
3715
3716         * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
3717         zero extend SImode values being converted to TFmode before passing
3718         to libcalls.
3719
3720 2008-08-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3721
3722         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
3723         __PPU__ when targeting the Cell/B.E. PPU processor.
3724
3725 2008-08-13  Eric Botcazou  <ebotcazou@adacore.com>
3726
3727         * gimple.h (gimple_call_set_chain): Accept SSA variables.
3728         * tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
3729         Rematerialize the static chain, if any.
3730         * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
3731         static chain.
3732
3733 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
3734
3735         * dwarf2out.c (dwarf_stack_op_name): Remove prototype.
3736         (new_loc_descr): Likewise.
3737         (add_loc_descr): Likewise.
3738         (size_of_loc_descr): Likewise.
3739         (size_of_locs): Likewise.
3740         (output_loc_operands): Likewise.
3741         (output_loc_sequence): Likewise.
3742         (new_reg_loc_descr): New.
3743         (build_cfa_loc): Use it.
3744         (build_cfa_aligned_loc): Likewise.
3745         (one_reg_loc_descriptor): Likewise.
3746         (based_loc_descr): Likewise.
3747
3748 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3749
3750         PR 30551
3751         * doc/invoke.texi (Wmain): Update.
3752         * c-decl.c (start_decl): warn_main is only 0 or 1.
3753         (start_function): Likewise. Fix formatting.
3754         (finish_function): Delete redundant warning.
3755         * c.opt (Wmain): Add Var(warn_main) and Init(-1).
3756         * c-opts (c_common_handle_option): -Wall only has effect if
3757         warn_main is uninitialized. OPT_Wmain is automatically
3758         handled. -pedantic also enables Wmain.
3759         (c_common_post_options): Handle all logic for Wmain here.
3760         * c-common.c (warn_main): Delete.
3761         (check_main_parameter_types): Make pedwarns conditional on
3762         OPT_Wmain.
3763         * c-common.h (warn_main): Delete.
3764
3765 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
3766
3767         PR middle-end/36701
3768         * expr.c (emit_group_store): Allocate stack temp with the
3769         largest alignment when copying from register to stack.
3770
3771 2008-08-13  Richard Guenther  <rguenther@suse.de>
3772
3773         * tree.h (maybe_fold_offset_to_address): Declare.
3774         * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
3775         (ccp_fold): Handle pointer conversions the same as fold_stmt.
3776         Likewise for POINTER_PLUS_EXPR.
3777         (maybe_fold_offset_to_reference): Enable disabled code.
3778         (maybe_fold_offset_to_address): New function.
3779         (fold_stmt_r): Use it.
3780         (fold_gimple_assign): Likewise.
3781         * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
3782         (gimplify_expr): Likewise.
3783
3784 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3785
3786         * toplev.h (pedwarn_at): Fix declaration.
3787
3788 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
3789
3790         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3791         LINK_SPEC): Use %R in -Y P argument.
3792
3793 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3794
3795         PR c/15236
3796         * diagnostic.c (pedwarn_at): New.
3797         * toplev.h (pedwarn_at): Declare.
3798         * c-tree.h (build_enumerator): Update declaration.
3799         * c-decl.c (finish_enum): Update comment.
3800         (build_enumerator): Take a location parameter. Give a pedwarn but do
3801         not perform any conversion.
3802         * c-parser.c (c_parser_enum_specifier): Set correct location for
3803         enumerator.
3804
3805 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3806
3807         PR 35635
3808         * c-common.c (conversion_warning): Use a switch. Ignore boolean
3809         expressions except for conversions to signed:1 bitfields. Handle
3810         COND_EXPR with constant operands.
3811
3812 2008-08-13  Richard Guenther  <rguenther@suse.de>
3813
3814         PR tree-optimization/15255
3815         * tree-ssa-reassoc.c (linearize_expr_tree): Declare.
3816         (struct oecount_s): New struct and VEC types.
3817         (cvec): New global.
3818         (oecount_hash): New function.
3819         (oecount_eq): Likewise.
3820         (oecount_cmp): Likewise.
3821         (zero_one_operation): New function.
3822         (build_and_add_sum): Likewise.
3823         (undistribute_ops_list): Perform un-distribution of multiplication
3824         and division on the chain of summands.
3825         (should_break_up_subtract): Also break up subtracts for factors.
3826         (reassociate_bb): Delete dead visited statements.
3827         Call undistribute_ops_list.  Re-sort and optimize if it did something.
3828         * passes.c (init_optimization_passes): Move DSE before
3829         reassociation.
3830         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
3831         PHI nodes.
3832
3833 2008-08-12  Janis Johnson  <janis187@us.ibm.com>
3834
3835         * doc/invoke.texi (-fipa-pta): Say the option is experimental.
3836
3837         * doc/invoke.texi: Revert unintended checkin.
3838
3839 2008-08-12  Nathan Froyd  <froydnj@codesourcery.com>
3840
3841         PR libgomp/26165
3842         * gcc.c (include_spec_function): Tweak call to find_a_file.
3843
3844 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
3845
3846         PR middle-end/37014
3847         * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
3848         and TRUTH_ORIF_EXPR.
3849         * dojump.c (do_jump): Likewise.
3850
3851         PR tree-optimization/37084
3852         * tree-inline.c (copy_bb): Call gimple_regimplify_operands
3853         if id->regimplify, don't assume stmt is a cast assignment.
3854
3855 2008-08-12  Anatoly Sokolov  <aesok@post.ru>
3856
3857         * final.c (final_scan_insn): Use app_enable/app_disable functions.
3858
3859 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3860
3861         PR bootstrap/37097
3862         * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
3863         by last change.
3864
3865 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3866
3867         * defaults.h (TARGET_FLOAT_FORMAT): Remove.
3868         (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.
3869
3870         * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
3871         * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
3872         * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
3873         * config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
3874         * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.
3875
3876         * doc/tm.texi (Storage Layout): Remove documentation for
3877         TARGET_FLOAT_FORMAT.
3878
3879         * simplify-rtx.c (simplify_binary_operation_1): Replace
3880         TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.
3881
3882 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3883
3884         * real.h (struct real_format): New member has_sign_dependent_rounding.
3885         * real.c (ieee_single_format, mips_single_format, motorola_single_format,
3886         spu_single_format, ieee_double_format, mips_double_format,
3887         motorola_double_format, ieee_extended_motorola_format,
3888         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
3889         ieee_extended_intel_96_round_53_format, ibm_extended_format,
3890         mips_extended_format, ieee_quad_format, mips_quad_format,
3891         vax_f_format, vax_d_format, vax_g_format): Initialize it.
3892         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
3893
3894         * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
3895         MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
3896         * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
3897         MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
3898         (ROUND_TOWARDS_ZERO): Likewise.
3899
3900         * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
3901         (FLOAT_MODE_FORMAT): New macro.
3902         (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
3903         (MODE_COMPOSITE_P): ... this new macro.
3904         (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
3905         MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
3906         * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.
3907
3908         * flags.h: Include "real.h".
3909
3910         * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
3911         REAL_MODE_FORMAT_COMPOSITE_P.
3912         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3913
3914         * doc/tm.texi (Storage Layout): Remove documentation of
3915         MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
3916         MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
3917         ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
3918         they only apply to libgcc2.a.
3919
3920 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3921
3922         * config/spu/float_disf.c: New file.
3923         * config/spu/float_unsdisf.c: New file.
3924         * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
3925         (LIB2FUNCS_EXCLUDE): Define.
3926
3927 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3928             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3929
3930         * real.h (struct real_format): New member round_towards_zero.
3931         * real.c (round_for_format): Respect fmt->round_towards_zero.
3932         (ieee_single_format, mips_single_format, motorola_single_format,
3933         spu_single_format, ieee_double_format, mips_double_format,
3934         motorola_double_format, ieee_extended_motorola_format,
3935         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
3936         ieee_extended_intel_96_round_53_format, ibm_extended_format,
3937         mips_extended_format, ieee_quad_format, mips_quad_format,
3938         vax_f_format, vax_d_format, vax_g_format): Initialize it.
3939         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
3940
3941         * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
3942         real_format to choose rounding mode when calling MPFR functions.
3943         (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
3944         (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.
3945
3946         * real.h (real_to_decimal_for_mode): Add prototype.
3947         * real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
3948         Respect target rounding mode when generating decimal representation.
3949         (real_to_decimal): New stub for backwards compatibility.
3950         * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
3951         real_to_decimal_for_mode instead of real_to_decimal.
3952
3953         * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.
3954
3955 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3956             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3957
3958         * real.c (spu_single_format): New variable.
3959         * real.h (spu_single_format): Declare.
3960
3961         * config/spu/spu.c (spu_override_options): Install SFmode format.
3962         (spu_split_immediate): Use integer mode to operate on pieces of
3963         floating-point values in all cases.
3964
3965         * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
3966         ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
3967         ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.
3968
3969 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3970
3971         * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA.
3972
3973 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3974
3975         * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define.
3976
3977 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
3978
3979         PR c++/36688
3980         * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
3981         on the VAR_DECL instead of TYPE_READONLY on its type.
3982
3983 2008-08-12  Ira Rosen  <irar@il.ibm.com>
3984
3985         * tree-vectorizer.c: Depend on langhooks.h.
3986         (supportable_widening_operation): Add two arguments. Support double
3987         type conversions.
3988         (supportable_narrowing_operation): Likewise.
3989         * tree-vectorizer.h (supportable_widening_operation): Add two
3990         arguments.
3991         (supportable_narrowing_operation): Likewise.
3992         * tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
3993         supportable_widening_operation with correct arguments.
3994         * tree-vect-transform.c (vectorizable_conversion): Likewise.
3995         (vectorizable_type_demotion): Support double type conversions.
3996         (vectorizable_type_promotion): Likewise.
3997         * Makefile.in (tree-vectorizer.o): Depend on langhooks.h.
3998
3999 2008-08-11  Michael Matz  <matz@suse.de>
4000
4001         * i386/i386.c (override_options): Move initialisation from
4002         flag_schedule_insns_after_reload to here from ...
4003         (optimization_options): ... here.
4004
4005 2008-08-11  Jakub Jelinek  <jakub@redhat.com>
4006
4007         PR rtl-optimization/36998
4008         * dwarf2out.c (compute_barrier_args_size_1,
4009         compute_barrier_args_size): Temporarily remove assertions.
4010
4011 2008-08-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4012
4013         PR middle-end/20644
4014         * tree-ssa.c (struct walk_data): Add new flag
4015         warn_possibly_uninitialized.
4016         (warn_uninitialized_var): Use it.
4017         (warn_uninitialized_vars): New.
4018         (execute_early_warn_uninitialized): Call it.
4019         (execute_late_warn_uninitialized): Likewise.
4020
4021 2008-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4022
4023         PR middle-end/36238
4024         * reload1.c (gen_reload): Guard calls to get_secondary_mem
4025         for memory subregs.
4026
4027 2008-08-09  Jan Hubicka  <jh@suse.cz>
4028
4029         PR target/37055
4030         * optabs.c (maybe_emit_unop_insn): Remove produced code if
4031         expansion failed.
4032         (expand_fix): Be prepared for expansion to fail.
4033         (expand_sfix_optab): Remove instructions if expansion failed.
4034
4035 2008-08-09  Anatoly Sokolov  <aesok@post.ru>
4036
4037         * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to
4038         avr31 architecture.
4039         * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.).
4040         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4041
4042 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
4043
4044         * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add
4045         mips/t-libgcc-mips16 to tmake_file.
4046         * config/mips/mips-protos.h (mips_call_type): New enum.
4047         (mips_pic_base_register, mips_got_load): Declare.
4048         (mips_restore_gp): Take an rtx argument.
4049         (mips_use_pic_fn_addr_reg_p): Declare.
4050         (mips_expand_call): Replace the sibcall_p argument with
4051         a mips_call_type argument.  Add a lazy_p parameter.
4052         (mips_split_call): Declare.
4053         * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro.
4054         (MIPS16_PIC_TEMP): Likewise.
4055         (reg_class): Delete M16_NA_REGS.
4056         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
4057         (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros.
4058         (mips_split_hi_p): Declare.
4059         * config/mips/mips.c (mips_split_hi_p): New array.
4060         (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS.
4061         (mips_got_symbol_type_p): New function.
4062         (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P.
4063         (mips16_stub_function_p): New function.
4064         (mips16_local_function_p): Likewise.
4065         (mips_use_pic_fn_addr_reg_p): Likewise.
4066         (mips_cannot_force_const_mem): Return false for HIGHs.
4067         Extend CONST_INT and symbolic handling to MIPS16, using
4068         mips_symbol_insns to check that the base symbol type is a
4069         legitimate constant.  Reject GOT-based constants if
4070         TARGET_MIPS16_PCREL_LOADS.
4071         (mips_const_insns): Check targetm.cannot_force_const_mem when
4072         decomposing a symbolic base and a large offset.
4073         (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters.
4074         When calling a function that needs $25 from MIPS16 code,
4075         move the target address into $25 separately and add a USE
4076         to the call insn.
4077         (mips16_gp_pseudo_reg): Insert the initializer immediately
4078         before the first real insn.
4079         (mips_pic_base_register, mips_got_load): New functions.
4080         (mips_split_symbol): Generalize the name of the LO_SUM_OUT
4081         parameter to LOW_OUT.  Say that it can be any valid SET_SRC
4082         when splitting a load-address operation.  Split SYMBOL_GOT_DISP
4083         constants and highs of SYMBOL_GOT_PAGE_OFST constants.
4084         (mips_call_tls_get_addr): Update the call to mips_expand_call,
4085         also passing NULL_RTX rather than const0_rtx as the aux argument.
4086         (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p
4087         instead of TARGET_EXPLICIT_RELOCS.
4088         (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P.
4089         (mips_load_call_address): Replace the sibcall_p argument with
4090         a mips_call_type argument.  Use mips_got_load.
4091         (mips16_local_alias): New structure.
4092         (mips16_local_aliases): New variable.
4093         (mips16_local_aliases_hash): New function.
4094         (mips16_local_aliases_eq): Likewise.
4095         (mips16_local_alias): Likewise.
4096         (mips16_stub_function): Likewise.
4097         (mips16_build_function_stub): Create a local alias for the target
4098         function.  Handle TARGET_ABICALLS.  For PIC abicalls, emit a
4099         .cpload directive and an R_MIPS_NONE relocation for the target
4100         function, then load the alias rather than the function itself.
4101         Wrap the non-PIC abicalls version in ".option pic0/.option pic2".
4102         (mips16_copy_fpr_return_value): Use mips16_stub_function and
4103         mips_expand_call.  Set SYMBOL_REF_BIND_NOW on the symbol.
4104         (mips16_build_call_stub): Replace the FN parameter with an
4105         FN_PTR parameter.  Force the address into a register if it
4106         isn't a call_insn_operand; don't rely on the caller to do this.
4107         If a call to a locally-defined and locally-binding MIPS16
4108         function must be made indirectly, redirect the call to the
4109         function's local alias.  Use mips16_stub_function_p,
4110         mips16_stub_function, mips_expand_call and use_reg.
4111         Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols.
4112         Use explicit %hi and %lo accesses where possible.
4113         Use MIPS_CALL to generate the correct code form of a
4114         jal instruction.  Add clobbers of $18 instead of uses.
4115         Update the call to mips_emit_call_insn.
4116         (mips_expand_call): Replace the SIBCALL_P argument with a
4117         mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value.
4118         Take a LAZY_P parameter.  Call mips16_build_call_stub first,
4119         allowing it to modify the call address.  Update the calls to
4120         mips_load_call_address and mips_emit_call_insn.
4121         (mips_split_call): New function.
4122         (mips_init_relocs): Clear mips_split_hi_p.  Only use %gp_rel if
4123         !TARGET_MIPS16.  Split SYMBOL_GOT_DISP, and the high parts of
4124         SYMBOL_GOT_PAGE_OFST, for MIPS16 code.
4125         (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p.
4126         (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM
4127         if TARGET_MIPS16.
4128         (mips_cprestore_slot): New function.
4129         (mips_restore_gp): Take a TEMP parameter.  Handle TARGET_MIPS16
4130         and use mips_cprestore_slot.
4131         (mips_output_function_prologue): Handle TARGET_MIPS16 for
4132         LOADGP_OLDABI.
4133         (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16,
4134         then use a copygp_mips16 instruction to set up $28.
4135         (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too.
4136         (mips16_lay_out_constants): Call split_all_insns_noflow.
4137         (mips_reorg_process_insns): Explicitly set all_noreorder_p to
4138         false if TARGET_MIPS16.
4139         (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16.
4140         (mips_output_mi_thunk): Use mips_got_symbol_type_p.  Use the
4141         mips_dangerous_for_la25_p approach for MIPS16 PIC calls too.
4142         (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for
4143         MIPS16 code.  Allow MIPS16 o32 PIC.
4144         (mips_override_options): Allow MIPS16 o32 PIC.
4145         * config/mips/mips.md: Lower CONST_GP_P moves into register moves
4146         after reload if TARGET_USE_GOT.
4147         (UNSPEC_COPYGP): New constant.
4148         (length): Use a default length of 8 for MIPS16 GOT loads.
4149         (*got_disp<mode>): Check mips_split_p instead of TARGET_XGOT.
4150         (*got_page<mode>): Check mips_split_hi_p.
4151         (*got_disp<mode>, *got_page<mode>): Use mips_got_load.
4152         (unspec_got<mode>, unspec_call<mode>): New expanders.
4153         (load_got<mode>, load_call<mode>): Remove the length attributes.
4154         Use a got attribute instead of a type attribute.
4155         (copygp_mips16): New insn.
4156         (restore_gp): Add a scratch clobber and pass it to mips_restore_gp.
4157         (load_call<mode>): Use a "d" constraint instead of an "r" constraint.
4158         (sibcall, sibcall_value, call, call_value): Update the calls
4159         to mips_expand_call.
4160         (call_internal, call_value_internal): Use mips_split_call.
4161         (call_value_multiple_internal): Likewise.
4162         (call_split): Move after call_internal (the insn it is split from).
4163         (call_internal_direct, call_value_internal_direct): Turn into
4164         define_insn_and_splits.  Split if TARGET_SPLIT_CALLS.
4165         (call_direct_split, call_value_direct_split): New patterns.
4166         * config/mips/constraints.md (c): Handle TARGET_MIPS16 first
4167         and use M16_REGS instead of M16_NA_REGS.
4168         * config/mips/predicates.md (const_call_insn_operand): Replace
4169         the TARGET_ABSOLUTE_ABICALLS-based check with a more general
4170         mips_use_pic_fn_addr_reg_p check.
4171         (move_operand): Reject HIGHs if mips_split_hi_p.
4172         * config/mips/mips16.S: Assembly as empty if the ABI is not suitable.
4173         (__mips16_floatunsisf): Inline __mips16_floatsisf.
4174         (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25.
4175         * config/mips/libgcc-mips16.ver: New file.
4176         * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add
4177         $(srcdir)/config/mips/libgcc-mips16.ver.
4178
4179 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
4180
4181         * config/mips/mips.c (mips_unspec_address_offset): Move earlier in file.
4182         (mips_unspec_address, mips_unspec_offset_high): Likewise.
4183         (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise.
4184         (mips16_cfun_returns_in_fpr_p): Likewise.
4185
4186 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
4187
4188         * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary.
4189         * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2
4190         rather than 4 to PC.
4191
4192 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
4193
4194         * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15.
4195         (FUNCTION_PROFILER): Save the static chain pointer into $2
4196         beforehand and restore it aftewards.
4197         (TRAMPOLINE_TEMPLATE): Adjust accordingly.  Load the target
4198         address directly into $25 and call the function through $25;
4199         do not clobber $3.  Pad the DImode version to cover the space
4200         left by the deleted $25 <- $3 move.
4201         (TRAMPOLINE_SIZE): Adjust the size of the SImode version after
4202         the removal of the $25 <- $3 move.
4203         (INITIALIZE_TRAMPOLINE): Update offsets accordingly.
4204         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
4205
4206 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
4207             Daniel Jacobowitz  <dan@codesourcery.com>
4208
4209         * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete.
4210         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete.
4211         (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete.
4212         * config/mips/mips.c (mips_start_function_definition): New function.
4213         (mips_end_function_definition): Likewise.
4214         (mips_output_function_prologue): Use mips_start_function_definition.
4215         (mips_output_function_epilogue): Use mips_end_function_definition.
4216         (build_mips16_function_stub): Use mips_start_function_definition
4217         and mips_end_function_definition.
4218         (build_mips16_call_stub): Likewise.
4219
4220 2008-08-09  Richard Guenther  <rguenther@suse.de>
4221
4222         * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
4223         * gimple.h (gimple_call_fn): Adjust comment.
4224         (gimple_call_set_fndecl): New function.
4225         (gimple_call_fndecl): Adjust for GIMPLE_CALL no
4226         longer having bare FUNCTION_DECL operand.
4227         (gimple_call_return_type): Likewise.
4228         * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.
4229
4230         * value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
4231         (gimple_mod_pow2): Likewise.
4232         (gimple_mod_subtract): Likewise.
4233         (gimple_ic): Likewise.
4234         (gimple_stringop_fixed_value): Likewise.
4235         (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
4236         longer having bare FUNCTION_DECL operand.
4237         * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
4238         * omp-low.c (optimize_omp_library_calls): Likewise.
4239         * cgraphunit.c (update_call_expr): Likewise.
4240         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
4241         (execute_convert_to_rsqrt): Likewise.
4242         * cfgexpand.c (gimple_to_tree): Simplify.
4243         (release_stmt_tree): Fix for GIMPLE_CALL no longer having
4244         bare FUNCTION_DECL operand.
4245         * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
4246         (convert_gimple_call): Use gimple_call_fndecl.
4247         * c-common.c (c_warn_unused_result): Likewise.
4248
4249 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4250
4251         PR c/17880
4252         * c-typeck.c (digest_init): Call verify_sequence_points from here.
4253         (c_finish_return): Likewise.
4254         (c_start_case): Likewise.
4255         * c-common.c (warn_for_collisions_1): Use explicit location in
4256         warning.
4257         * c-parser.c (c_parser_condition): New. Call
4258         verify_sequence_points.
4259         (c_parser_paren_condition): Call c_parser_condition.
4260         (c_parser_for_statement): Call c_parser_condition.
4261
4262 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4263
4264         PR 36901
4265         * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.
4266         * diagnostic.c (pedantic_warning_kind, permissive_error_kind):
4267         Moved from diagnostic.h
4268         (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
4269         DK_PERMERROR.
4270         (emit_diagnostic): New.
4271         (warning0, pedwarn0): Delete.
4272         (warning, warning_at, pedwarn, permerror): Return bool.
4273         * diagnostic.h (pedantic_warning_kind, permissive_error_kind):
4274         Moved to diagnostic.c.
4275         (struct diagnostic_context): Use correct type for
4276         classify_diagnostic.
4277         (diagnostic_report_diagnostic): Update declaration.
4278         (emit_diagnostic): Declare.
4279         * errors.c (warning): Return bool.
4280         * errors.h (warning): Update declaration.
4281         * toplev.h (warning0, pedwarn0): Delete.
4282         (warning, warning_at, pedwarn, permerror): Return bool.
4283         * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN.
4284         * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use
4285         inform. Update all calls.
4286         (diagnose_mismatched_decls): Check return value of warning/pedwarn
4287         before giving informative note.
4288         (implicit_decl_warning): Likewise.
4289         * c-typeck.c (build_function_call): Likewise.
4290         * tree-sssa.c (warn_uninit): Likewise.
4291         * builtins.c (gimplify_va_arg_expr): Likewise.
4292
4293 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4294
4295         PR 7651
4296         * doc/invoke.texi (-Wextra): Move warning from here...
4297         (-Wuninitialized): ... to here.
4298
4299 2008-08-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4300
4301         PR 28875
4302         * flags.h (set_Wunused): Delete
4303         * toplev.c (process_options): Handle Wunused flags here.
4304         * opts.c (maybe_warn_unused_parameter): Delete.
4305         (common_handle_option): Replace set_Wunused by warn_unused.
4306         (set_Wextra): Do not handle Wunused-parameter here.
4307         (set_Wunused): Delete.
4308         * c-opts.c (c_common_handle_option): Replace set_Wunused by
4309         warn_unused.
4310         * common.opt (Wunused): Add Var and Init.
4311         (Wunused-function): Likewise.
4312         (Wunused-label): Likewise.
4313         (Wunused-parameter): Likewise.
4314         (Wunused-value): Likewise.
4315         (Wunused-variable): Likewise.
4316
4317 2008-08-08  Peter Bergner  <bergner@vnet.ibm.com>
4318
4319         * doc/invoke.texi: Add cpu_type power7.
4320         * config.in (HAVE_AS_VSX): New.
4321         * config.gcc: Add cpu_type power7.
4322         * configure.ac (HAVE_AS_VSX): Check for assembler support of the
4323         VSX instructions.
4324         * configure: Regenerate.
4325         * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to
4326         power5.
4327         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define.
4328         (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7.
4329         (EXTRA_SPECS): Add asm_cpu_power7 spec string.
4330
4331 2008-08-08  Dorit Nuzman  <dorit@il.ibm.com>
4332
4333         * tree-vect-transform.c (vectorizable_conversion): Pass the integral
4334         type to vectorize.builtin_conversion.
4335         (vectorizable_conversion): Likewise.
4336         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Always takes
4337         integral type as input.
4338         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Add case for
4339         FIX_TRUNC_EXPR.
4340         (rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS
4341         and ALTIVEC_BUILTIN_VCTSXS.
4342         (rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix
4343         formatting.
4344
4345 2008-08-08  Richard Guenther  <rguenther@suse.de>
4346
4347         * tree-ssa-ccp.c (likely_value): Calls are not all varying.
4348         (surely_varying_stmt_p): Calls are varying only if they are
4349         non-builtin and not indirect or have no result.
4350         (ccp_fold): Re-instantiate code before the tuples merge.
4351
4352 2008-08-08  Richard Guenther  <rguenther@suse.de>
4353
4354         PR tree-optimization/37056
4355         * gimple.h (gimple_assign_rhs_class): New helper function.
4356         * tree-ssa-loop-niter.c (get_val_for): Fix tuplification, handle
4357         unary operations properly.
4358
4359 2008-08-07  Jan Hubicka  <jh@suse.cz>
4360
4361         * i386.h (ix86_size_cost): Declare.
4362         (ix86_cur_cost): New function macro.
4363         * i386.md (peepholes expanding size and splitters): Predicate by
4364         optimize_insn_for_speed_p.
4365         (peepholes reduce size and splitters): Predicate by
4366         optimize_insn_for_size_p.
4367         * i386.c (ix86_size_cost): Rename from ...
4368         (size_cost): This one.
4369         (override_options): Update.
4370         (decide_alg): Likewise.
4371         (ix86_expand_clear): Use RTL profile.
4372         (ix86_pad_returns): Use RTL profile.
4373
4374 2008-08-07  Jan Hubicka  <jh@suse.cz>
4375
4376         * recog.c (split_all_insns): Set RTL profile
4377         (peephole2_optimize): Likewise.
4378         * function.c (thread_prologue_and_epilogue_insns): Likewise.
4379         * combine.c (combine_instructions): Likewise.
4380
4381 2008-08-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4382
4383         * c-common.c (c_common_reswords): Also warn about keyword "bool".
4384
4385 2008-08-07  Bob Wilson  <bob.wilson@acm.org>
4386
4387         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
4388         value in a6 after the set_frame_ptr insn.
4389
4390 2008-08-07  Richard Henderson  <rth@redhat.com>
4391
4392         PR debug/37033
4393         * gcc.c (cpp_options): Pass along -g*.
4394
4395 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
4396
4397         * config/arm/arm.c (output_move_neon): Update comment describing
4398         big-endian vector layout.
4399         (arm_assemble_integer): Do not handle big-endian NEON vectors
4400         specially.
4401         * config/arm/neon.md (vec_set<mode>_internal, vec_extract<mode>,
4402         neon_vget_lane<mode>_sext_internal,
4403         neon_vget_lane<mode>_zext_internal, neon_vget_lane<mode>): Adjust
4404         element indices for big-endian.
4405
4406 2008-08-07  Richard Henderson  <rth@redhat.com>
4407
4408         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): New.
4409         * configure, config.in: Rebuild.
4410         * debug.h (dwarf2out_do_cfi_asm): Declare.
4411         * c-cppbuiltin.c (c_cpp_builtins): Use it.
4412         * dwarf2out.c (dwarf2out_do_cfi_asm): New.
4413         (dwarf2out_cfi_label, add_fde_cfi, output_call_frame_info,
4414         dwarf2out_begin_prologue, dwarf2out_end_epilogue): Use it.
4415
4416 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
4417
4418         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4419         movv2si_internal): Combine into mov<mode>_internal.
4420         (movv2si_internal_2): Remove.
4421
4422 2008-08-07  Jan Hubicka  <jh@suse.cz>
4423
4424         PR target/37048
4425         * i386.md (single stringop patterns): Enable unconditionally.
4426
4427 2008-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4428
4429         PR target/36992
4430         * config/i386/emmintrin.h (_mm_move_epi64): Use
4431         __builtin_ia32_movq128.
4432
4433         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVQ128.
4434         (bdesc_args): Add IX86_BUILTIN_MOVQ128.
4435
4436         * config/i386/sse.md (sse2_movq128): New.
4437
4438         * doc/extend.texi: Document __builtin_ia32_movq128.
4439
4440 2008-08-07  Richard Guenther  <rguenther@suse.de>
4441
4442         PR middle-end/37042
4443         * tree-ssa-alias-warnings.c (nonstandard_alias_p): Ref-all
4444         pointers can access anything.
4445
4446 2008-08-06  Jan Hubicka  <jh@suse.cz>
4447
4448         * optabs.c (emit_unop_insn): Break out to ...
4449         (maybe_emit_unop_insn): ... this one.
4450         (expand_sfix_optab): Use maybe variant.
4451         * optabs.h (maybe_emit_unop_insn): Declare.
4452
4453         * i386.md (mov0 patterns): Enable by default.
4454         (FP conversion expanders): Disable expansion of code expanding
4455         sequences when instruction should be optimized for size.
4456         (single strinop patterns): Enable when optimizing for size.
4457         (string expanders): Disable expanding of code expanding sequences
4458         when optimizning instruction for size.
4459         * i386.c (ix86_expand_vector_move_misalign): Do code size optimization
4460         per BB basis.
4461         (ix86_fp_comparison_sahf_cost): Likewise.
4462         (ix86_expand_branch): Likewise.
4463         (ix86_expand_ashl_const): Likewise.
4464         (ix86_split_ashl): Likewise.
4465         (ix86_expand_strlen): Likewise.
4466         (ix86_emit_fp_unordered_jump): Likewie.
4467
4468 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4469
4470         * c-common.c: Fix typo.
4471         (c_common_reswords): Activate more C++ keyword warnings.
4472
4473         * matrix-reorg.c (compute_offset): Avoid C++ keywords.
4474
4475 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4476
4477         PR 26785
4478         * diagnostic.c (permerror_at): New.
4479         * toplev.h (permerror_at): Declare.
4480
4481 2008-08-06  Victor Kaplansky  <victork@il.ibm.com>
4482             Ira Rosen  <irar@il.ibm.com>
4483
4484         * tree-vect-transform.c (vect_model_simple_cost): Return
4485         immediately if stmt is pure SLP.
4486         (vect_model_store_cost): Ditto.
4487         (vect_model_load_cost): Ditto.
4488         (vectorizable_store): Remove PURE_SLP check before call
4489         to vect_model_store_cost.
4490         (vect_model_store_cost): When checking whether stmt describe
4491         strided access, add a check that it is not slp_node.
4492
4493 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4494
4495         PR 8715
4496         * c-common.c (warn_for_sign_compare): New. Handle separately the
4497         case that 'constant' is zero.
4498         * c-typeck.c (build_binary_op): Move code to c-common.c
4499
4500 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4501
4502         * config/alpha/alpha.c (alpha_preferred_reload_class,
4503         alpha_secondary_reload, alpha_emit_set_const_1, function_value,
4504         alpha_output_mi_thunk_osf): Avoid C++ keywords.
4505         * config/arm/arm.c (output_move_vfp, output_move_neon): Likewise.
4506         * config/arm/arm.md: Likewise.
4507         * config/avr/avr-protos.h (preferred_reload_class,
4508         test_hard_reg_class, avr_simplify_comparison_p,
4509         out_shift_with_cnt, class_max_nregs): Likewise.
4510         * config/avr/avr.c (class_max_nregs, avr_simplify_comparison_p,
4511         output_movqi, output_movhi, output_movsisf, out_shift_with_cnt,
4512         preferred_reload_class, test_hard_reg_class): Likewise.
4513         * config/bfin/bfin.c (legitimize_pic_address, hard_regno_mode_ok,
4514         bfin_memory_move_cost, bfin_secondary_reload,
4515         bfin_output_mi_thunk): Likewise.
4516         * config/crx/crx.c (crx_secondary_reload_class,
4517         crx_memory_move_cost): Likewise.
4518         * config/frv/frv-protos.h (frv_secondary_reload_class,
4519         frv_class_likely_spilled_p, frv_class_max_nregs): Likewise.
4520         * config/frv/frv.c (frv_override_options, frv_alloc_temp_reg,
4521         frv_secondary_reload_class, frv_class_likely_spilled_p,
4522         frv_class_max_nregs): Likewise.
4523         * config/h8300/h8300.c (h8300_classify_operand,
4524         h8300_unary_length, h8300_bitfield_length, h8300_asm_insn_count):
4525         Likewise.
4526         * config/i386/winnt.c (i386_pe_declare_function_type): Likewise.
4527         * config/ia64/ia64.c (ia64_preferred_reload_class,
4528         ia64_secondary_reload_class, ia64_output_mi_thunk): Likewise.
4529         * config/iq2000/iq2000.c (gen_int_relational): Likewise.
4530         * config/m32c/m32c.c (class_can_hold_mode, m32c_output_compare):
4531         Likewise.
4532         * config/m68hc11/m68hc11.c (preferred_reload_class,
4533         m68hc11_memory_move_cost): Likewise.
4534         * config/mcore/mcore.c (mcore_secondary_reload_class,
4535         mcore_reload_class): Likewise.
4536         * config/mips/mips.c (mips_hard_regno_mode_ok_p,
4537         mips_class_max_nregs, mips_cannot_change_mode_class,
4538         mips_preferred_reload_class, mips_secondary_reload_class,
4539         mips_output_mi_thunk): Likewise.
4540         * config/mmix/mmix.c (mmix_preferred_reload_class,
4541         mmix_preferred_output_reload_class, mmix_secondary_reload_class):
4542         Likewise.
4543         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
4544         Likewise.
4545         * config/pa/pa.c (pa_secondary_reload, pa_combine_instructions,
4546         pa_can_combine_p, pa_cannot_change_mode_class): Likewise.
4547         * config/pa/pa.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4548         * config/rs6000/rs6000.c (paired_expand_vector_init,
4549         rs6000_secondary_reload_class, rs6000_output_mi_thunk,
4550         compare_section_name, rs6000_memory_move_cost): Likewise.
4551         * config/s390/s390.c (s390_emit_compare_and_swap,
4552         s390_preferred_reload_class, s390_secondary_reload,
4553         legitimize_pic_address, legitimize_tls_address,
4554         legitimize_reload_address, s390_expand_cs_hqi, s390_expand_atomic,
4555         s390_class_max_nregs): Likewise.
4556         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4557         * config/s390/s390.md: Likewise.
4558         * config/score/score-protos.h (score_secondary_reload_class,
4559         score_preferred_reload_class): Likewise.
4560         * config/score/score.c (score_preferred_reload_class,
4561         score_secondary_reload_class): Likewise.
4562         * config/score/score3.c (score3_output_mi_thunk,
4563         score3_preferred_reload_class, score3_secondary_reload_class,
4564         score3_hard_regno_mode_ok): Likewise.
4565         * config/score/score3.h (score3_preferred_reload_class,
4566         score3_secondary_reload_class): Likewise.
4567         * config/score/score7.c (score7_output_mi_thunk,
4568         score7_preferred_reload_class, score7_secondary_reload_class,
4569         score7_hard_regno_mode_ok): Likewise.
4570         * config/score/score7.h (score7_preferred_reload_class,
4571         score7_secondary_reload_class): Likewise.
4572         * config/sh/sh.c (prepare_move_operands, output_far_jump,
4573         output_branchy_insn, add_constant, gen_block_redirect,
4574         sh_insn_length_adjustment, sh_cannot_change_mode_class,
4575         sh_output_mi_thunk, replace_n_hard_rtx, sh_secondary_reload):
4576         Likewise.
4577         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4578         * config/stormy16/stormy16.c (xstormy16_output_cbranch_hi,
4579         xstormy16_output_cbranch_si, xstormy16_secondary_reload_class,
4580         xstormy16_preferred_reload_class): Likewise.
4581         * config/xtensa/xtensa.c (xtensa_expand_compare_and_swap,
4582         xtensa_expand_atomic, override_options,
4583         xtensa_preferred_reload_class, xtensa_secondary_reload_class):
4584         Likewise.
4585         * reorg.c (try_merge_delay_insns): Likewise.
4586         * tree.c (merge_dllimport_decl_attributes): Likewise.
4587
4588         * config/frv/frv.c (frv_print_operand): Change isalpha to ISALPHA.
4589
4590 2008-08-06  Michael Matz  <matz@suse.de>
4591
4592         * Makefile.in (write_entries_to_file): Quote words.
4593         * gengtype.c: (read_input_line): Skip over leading white-space.
4594
4595 2008-08-06  Marc Gauthier  <marc@tensilica.com>
4596
4597         * config.gcc: Match more processor names for Xtensa.
4598         * configure.ac: Likewise.
4599         * doc/install.texi (Specific): Likewise.
4600         * configure: Regenerate.
4601
4602 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4603
4604         * builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
4605         * calls.c (avoid_likely_spilled_reg): Likewise.
4606         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
4607         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
4608         * config/i386/i386.c (ix86_expand_special_args_builtin,
4609         ix86_secondary_reload): Likewise.
4610         * except.c (struct eh_region, gen_eh_region_catch,
4611         remove_unreachable_regions, duplicate_eh_regions,
4612         assign_filter_values, build_post_landing_pads,
4613         sjlj_find_directly_reachable_regions, remove_eh_handler,
4614         reachable_next_level, foreach_reachable_handler,
4615         can_throw_internal_1, can_throw_external_1,
4616         collect_one_action_chain): Likewise.
4617         * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
4618         * fold-const.c (twoval_comparison_p, eval_subst): Likewise.
4619         * function.c (update_temp_slot_address, instantiate_new_reg,
4620         instantiate_virtual_regs_in_rtx,
4621         instantiate_virtual_regs_in_insn): Likewise.
4622         * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
4623         * gimplify.c (gimplify_call_expr, gimplify_init_constructor,
4624         gimplify_cleanup_point_expr): Likewise.
4625         * ipa-cp.c (ipcp_lattice_changed): Likewise.
4626         * passes.c (next_pass_1): Likewise.
4627         * print-tree.c (print_node_brief, print_node): Likewise.
4628         * profile.c (branch_prob): Likewise.
4629         * tree-dump.c (dump_register): Likewise.
4630         * tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
4631         Likewise.
4632         * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
4633         copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
4634         copy_edges_for_bb, copy_cfg_body, copy_tree_r,
4635         copy_arguments_for_versioning, copy_static_chain): Likewise.
4636         * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
4637         add_new_name_mapping, register_new_name_mapping): Likewise.
4638         * tree-mudflap.c (mf_xform_derefs): Likewise.
4639         * tree-predcom.c (struct chain, dump_chain, replace_ref_with,
4640         get_init_expr, combine_chains): Likewise.
4641         * tree-pretty-print.c (dump_generic_node): Likewise.
4642         * tree-ssa-structalias.c (create_variable_info_for): Likewise.
4643         * tree-vrp.c (simplify_cond_using_ranges): Likewise.
4644         * tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
4645         * value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
4646
4647 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
4648
4649         PR middle-end/37010
4650         * calls.c (expand_call): Use the biggest preferred stack
4651         boundary.
4652
4653 2008-08-06  Michael Matz  <matz@suse.de>
4654
4655         PR target/36613
4656         * reload.c (push_reload): Merge in,out,in_reg,out_reg members
4657         for reused reload, instead of overwriting them.
4658
4659 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
4660
4661         PR middle-end/37009
4662         * cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
4663         for incoming stack boundary.
4664
4665         * function.c (assign_parm_find_entry_rtl): Update
4666         parm_stack_boundary.
4667
4668         * function.h (rtl_data): Add parm_stack_boundary.
4669
4670         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
4671         parm_stack_boundary for incoming stack boundary.
4672
4673 2008-08-06  Joseph Myers  <joseph@codesourcery.com>
4674
4675         * jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset
4676         for unrepresentable subregs or treat them as equal to other regs
4677         or subregs with the same register number.
4678
4679 2008-08-06  Aldy Hernandez  <aldyh@redhat.com>
4680
4681         PR middle-end/35432
4682         * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types
4683         if want_value.
4684
4685 2008-08-06  Jan Hubicka  <jh@suse.cz>
4686
4687         * predict.c (maybe_hot_frequency_p): When profile is absent, all
4688         frequencies might be hot.
4689
4690 2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>
4691
4692         * reload.c (find_reloads): Force constants into literal pool
4693         also if they are wrapped in a SUBREG.
4694
4695 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
4696
4697         PR target/35659
4698         * haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ...
4699         * sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here.
4700         Don't allow predicated instructions for data speculation.
4701         * sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move
4702         declaration.
4703
4704 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
4705
4706         * haifa-sched.c (extend_global): Split to extend_global_data and
4707         extend_region_data.  Update all uses.
4708         (extend_all): Rename to extend_block_data.
4709
4710 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
4711
4712         * sched-rgn.c (new_ready): Check if instruction can be
4713         speculatively scheduled before attempting speculation.
4714         (debug_rgn_dependencies): Remove wrongful assert.
4715
4716 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
4717
4718         * config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h.
4719
4720 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
4721
4722         * config/xtensa/xtensa.c (xtensa_va_start): Unshare valist.
4723         (xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array,
4724         va_size, and type_size.
4725
4726 2008-08-04  Jason Merrill  <jason@redhat.com>
4727
4728         PR c++/37016
4729         * tree-ssa.c (useless_type_conversion_p_1): Call langhook
4730         if TYPE_STRUCTURAL_EQUALITY_P is true for both types.
4731
4732 2008-08-05  Richard Henderson  <rth@redhat.com>
4733
4734         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Check .cfi_personality.
4735         * configure: Rebuild.
4736
4737 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4738
4739         PR tree-opt/37024
4740         * tree-tailcall.c (process_assignment): Use gimple_assign_cast_p
4741         instead of IS_CONVERT_EXPR_CODE_P for seeing if the assignment
4742         is a conversion.
4743
4744 2008-08-05  Richard Henderson  <rth@redhat.com>
4745
4746         * Makefile.in (c-cppbuiltin.o): Depend on debug.h.
4747         * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM.
4748         * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it.
4749         * common.opt (fdwarf2-cfi-asm): New.
4750         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New.
4751         * config.in, configure: Rebuild.
4752         * dwarf2asm.c (dw2_asm_output_data_raw): New.
4753         (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw): New.
4754         (dw2_force_const_mem): Externalize.
4755         * dwarf2asm.h: Update.
4756         * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't
4757         generate a real label.
4758         (output_cfi_directive): New.
4759         (add_fde_cfi): If flag_dwarf2_cfi_asm, use it.
4760         (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm.
4761         (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality,
4762         and .cfi_lsda.
4763         (dwarf2out_end_epilogue): Emit .cfi_endproc.
4764         (output_loc_operands_raw, output_loc_sequence_raw): New.
4765         (output_cfa_loc_raw): New.
4766
4767 2008-08-05  Paul Brook  <paul@codesourcery.com>
4768
4769         * doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options.
4770         * config/arm/arm.c (all_fpus): Add vfpv3 and vfpv3-d16.
4771         (fp_model_for_fpu): Add entry for FPUTYPE_VFP3D16.
4772         (arm_file_start): Add FPUTYPE_VFP3D16.  Rename vfp3 to vfpv3.
4773         * config/arm/arm.h (TARGET_VFPD32): Define.
4774         (TARGET_VFP3): Use TARGET_VFPD32.
4775         (fputype): Add FPUTYPE_VFP3D16.
4776         (LAST_VFP_REGNUM): Use TARGET_VFPD32.
4777         * config/arm/constraints.md ("w"): Use TARGET_VFPD32.
4778         * config/arm/arm-cores.def: Add cortex-r4f.
4779         * config/arm/arm-tune.md: Regenerate.
4780
4781 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4782
4783         * config/spu_spu_mfcio.h: Wrap in extern "C" if __cplusplus.
4784         Reword some comments throughout the file.
4785
4786         (MFC_MIN_DMA_LIST_ELEMENTS): New define.
4787         (MFC_MAX_DMA_LIST_ELEMENTS): Likewise.
4788         (MFC_MIN_DMA_LIST_SIZE): Redefine in terms of MFC_MIN_DMA_LIST_ELEMENTS.
4789         (MFC_MAX_DMA_LIST_SIZE): Redefine in terms of MFC_MAX_DMA_LIST_ELEMENTS.
4790
4791         (MFC_START_ENABLE): Remove PPU-only define.
4792         (MFC_PUTS_CMD, MFC_PUTFS_CMD, MFC_PUTBS_CMD): Likewise.
4793         (MFC_GETS_CMD, MFC_GETFS_CMD, MFC_GETBS_CMD): Likewise.
4794
4795         (MFC_PUTB_CMD, MFC_PUTF_CMD): Reimplement using symbolic constants.
4796         (MFC_PUTL_CMD, MFC_PUTLB_CMD, MFC_PUTLF_CMD): Likewise.
4797         (MFC_PUTR_CMD, MFC_PUTRB_CMD, MFC_PUTRF_CMD): Likewise.
4798         (MFC_PUTRL_CMD, MFC_PUTRLB_CMD, MFC_PUTRLF_CMD): Likewise.
4799         (MFC_GETB_CMD, MFC_GETF_CMD): Likewise.
4800         (MFC_GETL_CMD, MFC_GETLB_CMD, MFC_GETLF_CMD): Likewise.
4801         (MFC_SNDSIGB_CMD, MFC_SNDSIGF_CMD): Likewise.
4802
4803         (MFC_SDCRT_CMD, MFC_SDCRTST_CMD): New defines.
4804         (MFC_SDCRZ_CMD, MFC_SDCRST_CMD, MFC_SDCRF_CMD): Likewise.
4805         (mfc_sdcrt, mfc_sdcrtst): Likewise.
4806         (mfc_sdcrz, mfc_sdcrst, mfc_sdcrf): Likewise.
4807
4808         (spu_read_machine_status): Fix typo.
4809
4810 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4811
4812         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Allow (multi)word-sized
4813         SUBREG of multi-word hard register.
4814         * config/spu/spu.c (valid_subreg): Likewise.
4815         (adjust_operand): Handle SUBREGs of multi-word hard registers.
4816
4817 2008-08-04  Richard Guenther  <rguenther@suse.de>
4818
4819         * tree-ssa-loop-ivopts.c (add_iv_value_candidates): Also add
4820         the candidate with the stripped base if that base is different
4821         from the original base even for offset zero.
4822
4823 2008-08-04  Richard Guenther  <rguenther@suse.de>
4824
4825         PR middle-end/36691
4826         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly
4827         check for no_overflow.
4828
4829 2008-08-04  Richard Guenther  <rguenther@suse.de>
4830
4831         * tree-vect-transform.c (vectorizable_call): Fix tuplification.
4832
4833 2008-08-04  Paul Brook  <paul@codesourcery.com>
4834
4835         * cofig/arm/arm.c (thumb_core_reg_alloc_order): New.
4836         (arm_order_regs_for_local_alloc): New function.
4837         * config/arm/arm-protos.h (arm_order_regs_for_local_alloc): Add
4838         prototype.
4839         * config/arm/arm.h (ORDER_REGS_FOR_LOCAL_ALLOC): Define.
4840
4841 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
4842
4843         PR target/37012
4844         * config/i386/i386.c (ix86_expand_prologue): Use UNITS_PER_WORD
4845         instead of STACK_BOUNDARY / BITS_PER_UNIT to align stack.
4846         (ix86_expand_epilogue): Likewise.
4847
4848 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
4849
4850         * config/i386/i386.c (ix86_compute_frame_layout): Fix a typo
4851         in comments.
4852
4853 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
4854
4855         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use Yi instead of x
4856         to avoid inter-unit moves for !TARGET_INTER_UNIT_MOVES.
4857         (*movv2sf_internal_rex64): Ditto.
4858
4859 2008-08-03  Jan Hubicka  <jh@suse.cz>
4860
4861         * optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
4862         expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
4863         * expmed.c (expand_smod_pow2): Likewise.
4864
4865 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
4866
4867         PR target/36992
4868         * config/i386/sse.md (vec_concatv2di): Add Y2 constraint to
4869         alternative 0 of operand 1.
4870         (*vec_concatv2di_rex64_sse): Ditto.
4871         (*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0
4872         of operand 1.
4873         (*sse2_storeq_rex64): Penalize allocation of "r" registers.
4874         * config/i386/mmx.md (*mov<mode>_internal_rex64): Penalize allocation
4875         of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves.
4876         (*movv2sf_internal_rex64): Ditto.
4877
4878 2008-08-02  Richard Guenther  <rguenther@suse.de>
4879
4880         PR target/35252
4881         * config/i386/sse.md (SSEMODE4S, SSEMODE2D): New mode iterators.
4882         (ssedoublesizemode): New mode attribute.
4883         (sse_shufps): Call gen_sse_shufps_v4sf.
4884         (sse_shufps_1): Macroize.
4885         (sse2_shufpd): Call gen_Sse_shufpd_v2df.
4886         (sse2_shufpd_1): Macroize.
4887         (vec_extract_odd, vec_extract_even): New expanders.
4888         (vec_interleave_highv4sf, vec_interleave_lowv4sf,
4889         vec_interleave_highv2df, vec_interleave_lowv2df): Likewise.
4890         * i386.c (ix86_expand_vector_init_one_nonzero): Call
4891         gen_sse_shufps_v4sf instead of gen_sse_shufps_1.
4892         (ix86_expand_vector_set): Likewise.
4893         (ix86_expand_reduc_v4sf): Likewise.
4894
4895 2008-08-01  Doug Kwan  <dougkwan@google.com>
4896
4897         * matrix-reorg.c: Re-enable all code.
4898         (struct malloc_call_data): Change CALL_STMT to gimple type.
4899         (collect_data_for_malloc_call): Tuplify.
4900         (struct access_site_info): Change STMT to gimple type.
4901         (struct matrix_info): Change MIN_INDIRECT_LEVEL_ESCAPE_STMT,
4902         and MALLOC_FOR_LEVEL to gimple and gimple pointer type.
4903         (struct free_info): Change STMT to gimple type.
4904         (struct matrix_access_phi_node):  Change PHI to gimple type.
4905         (get_inner_of_cast_expr): Remove.
4906         (may_flatten_matrices_1): Tuplify.
4907         (may_flatten_matrices): Ditto.
4908         (mark_min_matrix_escape_level): Ditto.
4909         (ssa_accessed_in_tree): Refactor statement RHS related code into ...
4910         (ssa_accessed_in_call_rhs): New
4911         (ssa_accessed_in_assign_rhs): New
4912         (record_access_alloc_site_info): Tuplify.
4913         (add_allocation_site): Ditto.
4914         (analyze_matrix_allocation_site): Ditto.
4915         (analyze_transpose): Ditto.
4916         (get_index_from_offset): Ditto.
4917         (update_type_size): Ditto.
4918         (analyze_accesses_for_call_expr): Tuplify and renamed into ...
4919         (analyze_accesses_for_call_stmt): New. Also handle LHS of a call.
4920         (analyze_accesses_for_phi_node): Tuplify.
4921         (analyze_accesses_for_modify_stmt): Tuplify and renamed into ...
4922         (analyze_accesses_for_assign_stmt): Remove code for handling call LHS.
4923         (analyze_matrix_accesses): Tuplify.
4924         (check_var_data): New call-back type for check_var_notmodified_p.
4925         (check_var_notmodified_p): Tuplify and use call-back struct to
4926         return statement found.
4927         (can_calculate_expr_before_stmt): Factor out statement related code
4928         into ...
4929         (can_calculate_stmt_before_stmt): New.
4930         (check_allocation_function): Tuplify.
4931         (find_sites_in_func): Ditto.
4932         (record_all_accesses_in_func): Ditto.
4933         (transform_access_sites): Ditto.
4934         (transform_allocation_sites): Ditto.
4935         (matrix_reorg): Re-enable.
4936         (gate_matrix_reorg): Re-enable.
4937
4938 2008-08-01  Jakub Jelinek  <jakub@redhat.com>
4939
4940         * dwarf2out.c (compute_barrier_args_size): Set barrier_args_size
4941         for labels for which it hasn't been set yet.  If it has been set,
4942         stop walking insns and continue with next worklist item.
4943         (dwarf2out_stack_adjust): Don't call compute_barrier_args_size
4944         if the only BARRIER is at the very end of a function.
4945
4946 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
4947
4948         * cfgexpand.c (expand_stack_alignment): Assert that
4949         stack_realign_drap and drap_rtx must match.
4950
4951         * function.c (instantiate_new_reg): If DRAP is used to realign
4952         stack, replace virtual_incoming_args_rtx with internal arg
4953         pointer.
4954
4955 2008-08-01  Richard Guenther  <rguenther@suse.de>
4956
4957         * tree-ssa-pre.c (fini_pre): Take in_fre parameter.  Free
4958         loop information only if we initialized it.
4959         (execute_pre): Call fini_pre with in_fre.
4960         * tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump
4961         if we do not unroll because we hit max-completely-peeled-insns.
4962         Use our estimation for consistency, do allow shrinking.
4963
4964 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
4965
4966         * config/i386/i386.c (override_options): Replace ABI_STACK_BOUNDARY
4967         with MIN_STACK_BOUNDARY.
4968         (ix86_update_stack_boundary): Likewise.
4969         (ix86_expand_prologue): Assert MIN_STACK_BOUNDARY instead of
4970         STACK_BOUNDARY.
4971
4972         * config/i386/i386.h (ABI_STACK_BOUNDARY): Renamed to ...
4973         (MIN_STACK_BOUNDARY): This.
4974
4975 2008-08-01  Richard Guenther  <rguenther@suse.de>
4976
4977         PR middle-end/36997
4978         * gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.
4979
4980 2008-08-01  Richard Guenther  <rguenther@suse.de>
4981
4982         PR tree-optimization/36988
4983         * tree-ssa-ccp.c (ccp_fold): Conversions of constants only
4984         do not matter if that doesn't change volatile qualification.
4985
4986 2008-08-01  Paolo Bonzini  <bonzini@gnu.org>
4987
4988         * configure.ac: Do not generate libada-mk.  Do not subst
4989         host_cc_for_libada.
4990         * libada-mk.in: Remove.
4991         * Makefile.in: Pass TARGET_LIBGCC2_CFLAGS to libgcc.mvars.
4992         * configure: Regenerate.
4993
4994 2008-08-01  Basile Starynkevitch  <basile@starynkevitch.net>
4995
4996         * tree-pass.h: Added comment about not dumping passes with name
4997         starting with star in struct opt_pass.
4998         * passes.c (register_dump_files_1): Don't do dump for a pass with
4999         name starting with star.
5000         * doc/passes.texi (Pass manager): Mention pass names and special
5001         meaning of star prefix to avoid dump.
5002
5003 2008-07-31  Adam Nemet  <anemet@caviumnetworks.com>
5004
5005         * config.gcc (mipsisa64r2*-*-linux*): New configuration.  Set ISA
5006         to MIPS64r2.
5007         * config/mips/mips.h (GENERATE_MIPS16E): Update comment.
5008         (ISA_MIPS64R2): New macro.
5009         (TARGET_CPU_CPP_BUILTINS, MULTILIB_ISA_DEFAULT): Handle it.
5010         (ISA_HAS_64BIT_REGS, ISA_HAS_MUL3, ISA_HAS_FP_CONDMOVE,
5011         ISA_HAS_8CC, ISA_HAS_FP4, ISA_HAS_PAIRED_SINGLE,
5012         ISA_HAS_MADD_MSUB, ISA_HAS_NMADD4_NMSUB4, ISA_HAS_CLZ_CLO,
5013         ISA_HAS_ROR, ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX, ISA_HAS_SEB_SEH,
5014         ISA_HAS_EXT_INS, ISA_HAS_MXHC1, ISA_HAS_HILO_INTERLOCKS,
5015         ISA_HAS_SYNCI, MIN_FPRS_PER_FMT): Return true for ISA_MIPS64R2.
5016         (MIPS_ISA_LEVEL_SPEC, ASM_SPEC, LINK_SPEC): Handle -mips64r2.
5017         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF):
5018         Move up to keep list alphabetically sorted.
5019         (TUNE_20KC, TUNE_24K, TUNE_74K, TUNE_LOONGSON_2EF): Likewise.
5020         * config/mips/mips.c (mips_cpu_info_table): Add default MIPS64r2
5021         processor.
5022         * doc/invoke.texi (MIPS Options): Add -mips64r2.
5023         (-march=@var{arch}): Add mips64r2.
5024
5025 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
5026
5027         * config/i386/darwin.h (MAIN_STACK_BOUNDARY): Define to 128.
5028
5029 2008-07-31  Steve Ellcey  <sje@cup.hp.com>
5030
5031         * expr.c (expand_assignment): Check for complete type.
5032
5033 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
5034
5035         PR debug/36977
5036         * cfgexpand.c (expand_stack_alignment): Set stack_realign_tried.
5037
5038         * dwarf2out.c (based_loc_descr): Check crtl->stack_realign_tried
5039         for stack alignment.
5040
5041         * function.h (rtl_data): Add stack_realign_tried.  Update comments.
5042
5043 2008-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>
5044
5045         * config/sh/sh.c (sh_canonical_va_list_type): Remove.
5046         (TARGET_CANONICAL_VA_LIST_TYPE): Remove.
5047
5048 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
5049
5050         PR rtl-optimization/36419
5051         * dwarf2out.c (barrier_args_size): New variable.
5052         (compute_barrier_args_size, compute_barrier_args_size_1): New
5053         functions.
5054         (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size
5055         if not called yet in the current function, use barrier_args_size
5056         array to find the new args_size value.
5057         (dwarf2out_frame_debug): Free and clear barrier_args_size.
5058
5059 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
5060
5061         PR debug/36980
5062         * dwarf2out.c (dwarf2out_frame_debug_expr): Move rule 17 before
5063         rule 19.
5064
5065 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
5066
5067         PR debug/36976
5068         * dwarf2out.c (dwarf2out_args_size_adjust): New.
5069         (dwarf2out_stack_adjust): Use it.
5070         (dwarf2out_frame_debug_expr): Likewise.
5071
5072 2008-07-31  Richard Guenther  <rguenther@suse.de>
5073
5074         PR tree-optimization/36978
5075         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold
5076         the generated condition.
5077
5078 2008-07-31  Richard Guenther  <rguenther@suse.de>
5079
5080         * passes.c (init_optimization_passes): Always call
5081         pass_early_warn_uninitialized.
5082         * opts.c (decode_options): Do not warn about -Wuninitialized at -O0.
5083         * doc/invoke.texi (-Wuninitialized): Correct for enabling at -O0.
5084         * doc/passes.texi (Warn for uninitialized variables): Adjust.
5085
5086 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
5087
5088         PR c/36970
5089         * builtins.c (maybe_emit_free_warning): New function.
5090         (expand_builtin): Process BUILT_IN_FREE even at -O0.  Call
5091         maybe_emit_free_warning for BUILT_IN_FREE.
5092
5093         PR debug/36278
5094         * dwarf2out.c (get_context_die): New function.
5095         (force_decl_die, force_type_die): Use it.
5096         (dwarf2out_imported_module_or_decl): Likewise.  If base_type_die
5097         returns NULL, force generation of DW_TAG_typedef and put that into
5098         DW_AT_import.
5099
5100         PR preprocessor/36649
5101         * c-pch.c (c_common_read_pch): Save and restore
5102         line_table->trace_includes across PCH restore.
5103
5104 2008-07-30  Eric Botcazou  <ebotcazou@adacore.com>
5105
5106         PR ada/36554
5107         * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE.
5108
5109 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
5110
5111         PR 36974
5112         * final.c (call_from_call_insn): Handle COND_EXEC.
5113
5114 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
5115
5116         * builtins.c (std_gimplify_va_arg_expr): Replace
5117         PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
5118         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5119
5120 2008-07-30  Joey Ye  <joey.ye@intel.com>
5121             H.J. Lu  <hongjiu.lu@intel.com>
5122
5123         * builtins.c (expand_builtin_setjmp_receiver): Replace
5124         virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
5125         (expand_builtin_apply_args_1): Likewise.
5126         (expand_builtin_longjmp): Need DRAP for stack alignment.
5127         (expand_builtin_apply): Likewise.
5128
5129         * caller-save.c (setup_save_areas): Call assign_stack_local_1
5130         instead of assign_stack_local to allow alignment reduction.
5131
5132         * calls.c (emit_call_1): Need DRAP for stack alignment if
5133         return pops.
5134         (expand_call): Replace virtual_incoming_args_rtx with
5135         crtl->args.internal_arg_pointer.
5136         * stmt.c (expand_nl_goto_receiver): Likewise.
5137
5138         * cfgexpand.c (get_decl_align_unit): Estimate stack variable
5139         alignment and store to stack_alignment_estimated and
5140         max_used_stack_slot_alignment.
5141         (expand_one_var): Likewise.
5142         (expand_stack_alignment): New function.
5143         (tree_expand_cfg): Initialize max_used_stack_slot_alignment
5144         and stack_alignment_estimated fields in rtl_data.  Call
5145         expand_stack_alignment at end.
5146
5147         * defaults.h (INCOMING_STACK_BOUNDARY): New.
5148         (MAX_STACK_ALIGNMENT): Likewise.
5149         (MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
5150         (SUPPORTS_STACK_ALIGNMENT): Likewise.
5151
5152         * emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
5153         stack alignment when generating virtual registers.
5154
5155         * function.c (assign_stack_local): Renamed to ...
5156         (assign_stack_local_1): This.  Add a parameter to indicate
5157         if it is OK to reduce alignment.
5158         (assign_stack_local): Use it.
5159         (instantiate_new_reg): Instantiate virtual incoming args rtx
5160         to vDRAP if stack realignment and DRAP is needed.
5161         (assign_parms): Collect parameter/return type alignment and
5162         contribute to stack_alignment_estimated.
5163         (locate_and_pad_parm): Likewise.
5164         (get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
5165         with crtl->args.internal_arg_pointer.
5166
5167         * function.h (rtl_data): Add new field drap_reg,
5168         max_used_stack_slot_alignment, stack_alignment_estimated,
5169         stack_realign_needed, need_drap, stack_realign_processed and
5170         stack_realign_finalized.
5171         (stack_realign_fp): New macro.
5172         (stack_realign_drap): Likewise.
5173
5174         * global.c (compute_regsets): Frame pointer is needed when
5175         stack is realigned.  Can eliminate frame pointer when stack is
5176         realigned and dynamic realigned argument pointer isn't used.
5177
5178         * reload1.c (update_eliminables):  Frame pointer is needed
5179         when stack is realigned.
5180         (init_elim_table): Can eliminate frame pointer when stack is
5181         realigned and dynamic realigned argument pointer isn't used.
5182
5183         * rtl.h (assign_stack_local_1): Declare new funtion.
5184
5185         * target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
5186         (TARGET_GET_DRAP_RTX): Likewise.
5187         (TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
5188         TARGET_GET_DRAP_RTX.
5189
5190         * target.h (gcc_target): Add update_stack_boundary and get_drap_rtx.
5191
5192         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
5193         STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
5194
5195 2008-07-30  Xuepeng Guo  <xuepeng.guo@intel.com>
5196             H.J. Lu  <hongjiu.lu@intel.com>
5197
5198         * dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
5199         vdrap_reg, stack_realign and drap_reg_saved.
5200         (add_cfi): Don't allow redefining CFA when DRAP is used.
5201         (reg_save): Handle stack alignment.
5202         (dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
5203         alignment.  Don't generate DWARF information for (set fp sp)
5204         when DRAP is used.
5205         (dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
5206         to INVALID_REGNUM.
5207         (int_loc_descriptor): Move prototype forward.  Also define if
5208         DWARF2_UNWIND_INFO is true.
5209         (output_cfa_loc): Handle DW_CFA_expression.
5210         (build_cfa_aligned_loc): New.
5211         (based_loc_descr): Update assert for stack realign.  For local
5212         variables, use sp+offset when stack is aligned without drap and
5213         fp+offset when stack is aligned with drap.  For arguments, use
5214         cfa+offset when drap is used to align stack.
5215
5216 2008-07-30  Joey Ye  <joey.ye@intel.com>
5217             H.J. Lu  <hongjiu.lu@intel.com>
5218
5219         * config/i386/i386.c (ix86_force_align_arg_pointer_string):
5220         Break long line.
5221         (ix86_gen_andsp): New.
5222         (ix86_user_incoming_stack_boundary): Likewise.
5223         (ix86_default_incoming_stack_boundary): Likewise.
5224         (ix86_incoming_stack_boundary): Likewise.
5225         (ix86_can_eliminate): Likewise.
5226         (find_drap_reg): Likewise.
5227         (ix86_update_stack_boundary): Likewise.
5228         (ix86_get_drap_rtx): Likewise.
5229         (ix86_finalize_stack_realign_flags): Likewise.
5230         (TARGET_UPDATE_STACK_BOUNDARY): Likewise.
5231         (TARGET_GET_DRAP_RTX): Likewise.
5232         (override_options): Overide option value for new options.
5233         (ix86_function_ok_for_sibcall): Remove check for
5234         force_align_arg_pointer.
5235         (ix86_handle_cconv_attribute): Likewise.
5236         (ix86_function_regparm): Likewise.
5237         (setup_incoming_varargs_64): Don't set stack_alignment_needed here.
5238         (ix86_va_start): Replace virtual_incoming_args_rtx with
5239         crtl->args.internal_arg_pointer.
5240         (ix86_select_alt_pic_regnum): Check DRAP register.
5241         (ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
5242         (ix86_compute_frame_layout): Compute frame layout wrt stack
5243         realignment.
5244         (ix86_internal_arg_pointer): Just return virtual_incoming_args_rtx.
5245         (ix86_expand_prologue): Decide if stack realignment is needed
5246         and generate prologue code accordingly.
5247         (ix86_expand_epilogue): Generate epilogue code wrt stack
5248         realignment is really needed or not.
5249
5250         * config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
5251         (ABI_STACK_BOUNDARY): Likewise.
5252         (PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
5253         (STACK_REALIGN_DEFAULT): Likewise.
5254         (INCOMING_STACK_BOUNDARY): Likewise.
5255         (MAX_STACK_ALIGNMENT): Likewise.
5256         (ix86_incoming_stack_boundary): Likewise.
5257         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
5258         (REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
5259         (CAN_ELIMINATE): Defined with ix86_can_eliminate.
5260         (machine_function): Remove force_align_arg_pointer.
5261
5262         * config/i386/i386.md (BX_REG): New.
5263         (R13_REG): Likewise.
5264
5265         * config/i386/i386.opt (mforce_drap): New.
5266         (mincoming-stack-boundary): Likewise.
5267         (mstackrealign): Add Init(-1).
5268
5269         * config/i386/i386-protos.h (ix86_can_eliminate): New
5270
5271 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
5272
5273         * doc/extend.texi: Update force_align_arg_pointer.
5274
5275         * doc/invoke.texi: Document -mincoming-stack-boundary.  Update
5276         -mstackrealign.
5277
5278         * doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
5279         (INCOMING_STACK_BOUNDARY): Likewise.
5280         (TARGET_UPDATE_STACK_BOUNDARY): New target hook.
5281         (TARGET_GET_DRAP_RTX): Likewise.
5282
5283 2008-07-30  Andreas Schwab  <schwab@suse.de>
5284
5285         PR rtl-optimization/36929
5286         * dse.c (replace_inc_dec): Use emit_insn_before instead of
5287         add_insn_before and fix argument order.
5288         (replace_inc_dec_mem): Handle NULL rtx.
5289
5290 2008-07-30  Andrew Jenner  <andrew@codesourcery.com>
5291
5292         * config/arm/arm.c (arm_compute_static_chain_stack_bytes): New
5293         function.
5294         (arm_compute_initial_elimination_offset): Use it.
5295         (arm_compute_save_reg_mask): Include static chain save slot when
5296         calculating alignment.
5297         (arm_get_frame_offsets): Ditto.
5298         (thumb1_compute_save_reg_mask): Ensure we have a low register saved
5299         that we can use to decrement the stack when the stack decrement
5300         could be too big for an immediate value in a single insn.
5301         (thumb1_expand_prologue): Avoid using r12 for stack decrement.
5302
5303 2008-07-30  Richard Guenther  <rguenther@suse.de>
5304
5305         PR tree-optimization/36967
5306         * tree-predcom.c (remove_stmt): Use gimple_assign_ssa_name_copy_p.
5307         Release defs of statements we remove.
5308
5309 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
5310
5311         * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
5312         instead of NULL_RTVEC.
5313
5314 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
5315
5316         PR target/35866
5317
5318         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Add clause for
5319         vector modes.
5320
5321 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
5322
5323         * final.c (call_from_call_insn): New.
5324         (final_scan_insn): Call assemble_external on FUNCTION_DECLs.
5325
5326 2008-07-30  Paolo Bonzini  <bonzini@gnu.org>
5327
5328         * configure.ac: Substitute ADA_CFLAGS.
5329         * configure: Regenerate.
5330         * config.host: Remove mention of pa/x-ada and pa/x-ada-hpux10 files.
5331         * Makefile.in: Remove mention of X_* variables.
5332         * config/pa/x-ada-hpux10: Remove.
5333         * config/pa/x-ada: Remove.
5334
5335         * doc/fragments.texi: Update.
5336
5337 2008-07-30  Olivier Hainque  <hainque@adacore.com>
5338
5339         * config/mips/irix-crti.asm: .hide __gcc_init and __gcc_fini.
5340         * config/mips/iris6.h (IRIX_SUBTARGET_LINK_SPEC, irix ld): Hide
5341         __dso_handle explicitly here.
5342
5343 2008-07-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5344
5345         PR 34389
5346         * c-typeck.c (build_binary_op): Encapsulate code into...
5347         * c-common.c (shorten_binary_op): ...this new function.
5348         (conversion_warning): Use the new function. Handle non-negative
5349         constant in bitwise-and.
5350         * c-common.h (shorten_binary_op): Declare.
5351
5352 2008-07-30  Olivier Hainque  <hainque@adacore.com>
5353
5354         * scan.c (make_sstring_space): Add explicit conversions of
5355         allocator's return value.
5356         * fix-header.c (recognized_function): Likewise.
5357
5358 2008-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5359
5360         * doc/cpp.texi: Update to GFDL 1.2.
5361         * doc/gcc.texi: Do not list GPL as Invariant Section.
5362         * doc/gccint.texi: Likewise.  Update copyright years.
5363         * doc/install.texi: Update copyright years.
5364
5365 2008-07-30  Alan Modra  <amodra@bigpond.net.au>
5366
5367         PR target/36955
5368         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add
5369         a use of pic_offset_table_rtx for -msecure-plt __tls_get_addr calls.
5370
5371 2008-07-29  Jan Hubicka  <jh@suse.cz>
5372
5373         * c-decl.c (merge_decls): Do not handle DECL_INLINE.
5374         (grokdeclarator): Likewise.
5375         * langhooks.c (lhd_warn_unused_global_decl): Use
5376         DECL_DECLARED_INLINE_P.
5377         * print-tree.c (print_node): Remove DECL_INLINE check.
5378
5379 2008-07-29  Richard Guenther  <rguenther@suse.de>
5380
5381         PR tree-optimization/36945
5382         * tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare.
5383         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export.
5384         Record invariant addresses un-decomposed.
5385         (copy_reference_ops_from_call): Record reference call
5386         arguments properly.  Simplify.
5387         * tree-ssa-pre.c (create_component_ref_by_pieces_1): New
5388         helper split out from ...
5389         (create_component_ref_by_pieces): ... here.  Simplify.
5390         Prepare for recursive invocation for call arguments.
5391         (create_expression_by_pieces): Adjust call to
5392         create_component_ref_by_pieces.
5393         (compute_avail): Process operand 2 of reference ops.
5394
5395 2008-07-29  Richard Guenther  <rguenther@suse.de>
5396
5397         * gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF.
5398
5399 2008-07-29  Jakub Jelinek  <jakub@redhat.com>
5400
5401         * c-format.c (check_format_types): Revert unwanted checkin.
5402
5403 2008-07-29  Jan Hubicka  <jh@suse.cz>
5404
5405         * flags.h (flag_really_no_inline): Remove.
5406         * cgraph.c (cgraph_function_possibly_inlined_p): Simplify.
5407         * toplev.c (flag_really_no_inline): Remove.
5408         * c-cppbuiltin.c (c_cpp_builtins): Use flag_no_inline.
5409         * ipa-inline.c (cgraph_decide_inlining): Do not check flag_no_inline.
5410         (cgraph_decide_inlining_incrementally): Likewise.
5411         (compute_inline_parameters): Likewise.
5412         * opts.c (decode_options): Simplify.
5413         * c-opts.c (c_common_post_options): Do not set flag_no_inline.
5414         * common.opt (finline): Initialize to 1.
5415         * tree-inline.c (inlinable_function_p): Check flag_no_inline.
5416
5417 2008-07-29  Jan Hubicka  <jh@suse.cz>
5418
5419         * predict.c (always_optimize_for_size_p): New function.
5420         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
5421         optimize_edge_for_size_p, optimize_edge_for_speed_p,
5422         optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
5423         functions.
5424         (rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
5425         * function.c (prepare_function_start): Set default profile.
5426         * function.h (rtl_data): Add maybe_hot_insn_p.
5427         * cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
5428         (construct_exit_block): Likewise.
5429         (tree_expand_cfg): Likewise.
5430         * basic-block.h
5431         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
5432         optimize_edge_for_size_p, optimize_edge_for_speed_p,
5433         optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
5434         (rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
5435         Declare.
5436
5437 2008-07-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5438
5439         PR 34985
5440         * c-decl.c (merge_decls): Merge USED flags.
5441
5442 2008-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
5443
5444         * config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
5445         valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
5446         next_stack, lab_false and lab_over trees.
5447
5448 2008-07-28  Richard Guenther  <rguenther@suse.de>
5449
5450         PR tree-optimization/36957
5451         * tree-flow.h (tree_ssa_useless_type_conversion): Remove.
5452         (useless_type_conversion_p): Remove.
5453         (types_compatible_p): Remove.
5454         * gimple.h (tree_ssa_useless_type_conversion): Declare.
5455         (useless_type_conversion_p): Declare.
5456         (types_compatible_p): Declare.
5457         (gimple_expr_type): Return the base type only if it is
5458         trivially convertible to the subtype.
5459
5460 2008-07-28  Andreas Tobler  <a.tobler@schweiz.org>
5461
5462         * configure.ac: Use the m4_do macro to concatenate the warnings into
5463         one string in ACX_PROG_CC_WARNING_OPTS,
5464         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and ACX_PROG_CC_WARNINGS_ARE_ERRORS.
5465         * configure: Regenerate.
5466
5467 2008-07-28  Richard Guenther  <rguenther@suse.de>
5468
5469         * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
5470         (insert_fake_stores): Remove.
5471         (realify_fake_stores): Likewise.
5472         (execute_pre): Remove dead code.
5473         * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case.
5474         (find_func_aliases): Deal with it here instead.
5475         Re-enable gcc_unreachable call.
5476
5477 2008-07-28  Richard Guenther  <rguenther@suse.de>
5478
5479         Merge from gimple-tuples-branch.
5480
5481         * ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
5482         * gimple.def: New file.
5483         * gsstruct.def: Likewise.
5484         * gimple-iterator.c: Likewise.
5485         * gimple-pretty-print.c: Likewise.
5486         * tree-gimple.c: Removed.  Merged into ...
5487         * gimple.c: ... here.  New file.
5488         * tree-gimple.h: Removed.  Merged into ...
5489         * gimple.h: ... here.  New file.
5490
5491         * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
5492         * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
5493         --enable-checking=gimple flag.
5494         * config.in: Likewise.
5495         * configure: Regenerated.
5496
5497         * tree-ssa-operands.h: Tuplified.
5498         * tree-vrp.c: Likewise.
5499         * tree-loop-linear.c: Likewise.
5500         * tree-into-ssa.c: Likewise.
5501         * tree-ssa-loop-im.c: Likewise.
5502         * tree-dump.c: Likewise.
5503         * tree-complex.c: Likewise.
5504         * cgraphbuild.c: Likewise.
5505         * tree-ssa-threadupdate.c: Likewise.
5506         * tree-ssa-loop-niter.c: Likewise.
5507         * tree-pretty-print.c: Likewise.
5508         * tracer.c: Likewise.
5509         * gengtype.c: Likewise.
5510         * tree-loop-distribution.c: Likewise.
5511         * tree-ssa-loop-unswitch.c: Likewise.
5512         * cgraph.c: Likewise.
5513         * cgraph.h: Likewise.
5514         * tree-ssa-loop-manip.c: Likewise.
5515         * value-prof.c: Likewise.
5516         * tree-ssa-loop-ch.c: Likewise.
5517         * tree-tailcall.c: Likewise.
5518         * value-prof.h: Likewise.
5519         * tree.c: Likewise.
5520         * tree.h: Likewise.
5521         * tree-pass.h: Likewise.
5522         * ipa-cp.c: Likewise.
5523         * tree-scalar-evolution.c: Likewise.
5524         * tree-scalar-evolution.h: Likewise.
5525         * target.h: Likewise.
5526         * lambda-mat.c: Likewise.
5527         * tree-phinodes.c: Likewise.
5528         * diagnostic.h: Likewise.
5529         * builtins.c: Likewise.
5530         * tree-ssa-alias-warnings.c: Likewise.
5531         * cfghooks.c: Likewise.
5532         * fold-const.c: Likewise.
5533         * cfghooks.h: Likewise.
5534         * omp-low.c: Likewise.
5535         * tree-ssa-dse.c: Likewise.
5536         * ipa-reference.c: Likewise.
5537         * tree-ssa-uncprop.c: Likewise.
5538         * toplev.c: Likewise.
5539         * tree-gimple.c: Likewise.
5540         * tree-gimple.h: Likewise.
5541         * tree-chrec.c: Likewise.
5542         * tree-chrec.h: Likewise.
5543         * tree-ssa-sccvn.c: Likewise.
5544         * tree-ssa-sccvn.h: Likewise.
5545         * cgraphunit.c: Likewise.
5546         * tree-ssa-copyrename.c: Likewise.
5547         * tree-ssa-ccp.c: Likewise.
5548         * tree-ssa-loop-ivopts.c: Likewise.
5549         * tree-nomudflap.c: Likewise.
5550         * tree-call-cdce.c: Likewise.
5551         * ipa-pure-const.c: Likewise.
5552         * c-format.c: Likewise.
5553         * tree-stdarg.c: Likewise.
5554         * tree-ssa-math-opts.c: Likewise.
5555         * tree-ssa-dom.c: Likewise.
5556         * tree-nrv.c: Likewise.
5557         * tree-ssa-propagate.c: Likewise.
5558         * ipa-utils.c: Likewise.
5559         * tree-ssa-propagate.h: Likewise.
5560         * tree-ssa-alias.c: Likewise.
5561         * gimple-low.c: Likewise.
5562         * tree-ssa-sink.c: Likewise.
5563         * ipa-inline.c: Likewise.
5564         * c-semantics.c: Likewise.
5565         * dwarf2out.c: Likewise.
5566         * expr.c: Likewise.
5567         * tree-ssa-loop-ivcanon.c: Likewise.
5568         * predict.c: Likewise.
5569         * tree-ssa-loop.c: Likewise.
5570         * tree-parloops.c: Likewise.
5571         * tree-ssa-address.c: Likewise.
5572         * tree-ssa-ifcombine.c: Likewise.
5573         * matrix-reorg.c: Likewise.
5574         * c-decl.c: Likewise.
5575         * tree-eh.c: Likewise.
5576         * c-pretty-print.c: Likewise.
5577         * lambda-trans.c: Likewise.
5578         * function.c: Likewise.
5579         * langhooks.c: Likewise.
5580         * ebitmap.h: Likewise.
5581         * tree-vectorizer.c: Likewise.
5582         * function.h: Likewise.
5583         * langhooks.h: Likewise.
5584         * tree-vectorizer.h: Likewise.
5585         * ipa-type-escape.c: Likewise.
5586         * ipa-type-escape.h: Likewise.
5587         * domwalk.c: Likewise.
5588         * tree-if-conv.c: Likewise.
5589         * profile.c: Likewise.
5590         * domwalk.h: Likewise.
5591         * tree-data-ref.c: Likewise.
5592         * tree-data-ref.h: Likewise.
5593         * tree-flow-inline.h: Likewise.
5594         * tree-affine.c: Likewise.
5595         * tree-vect-analyze.c: Likewise.
5596         * c-typeck.c: Likewise.
5597         * gimplify.c: Likewise.
5598         * coretypes.h: Likewise.
5599         * tree-ssa-phiopt.c: Likewise.
5600         * calls.c: Likewise.
5601         * tree-ssa-coalesce.c: Likewise.
5602         * tree.def: Likewise.
5603         * tree-dfa.c: Likewise.
5604         * except.c: Likewise.
5605         * except.h: Likewise.
5606         * cfgexpand.c: Likewise.
5607         * tree-cfgcleanup.c: Likewise.
5608         * tree-ssa-pre.c: Likewise.
5609         * tree-ssa-live.c: Likewise.
5610         * tree-sra.c: Likewise.
5611         * tree-ssa-live.h: Likewise.
5612         * tree-predcom.c: Likewise.
5613         * lambda.h: Likewise.
5614         * tree-mudflap.c: Likewise.
5615         * ipa-prop.c: Likewise.
5616         * print-tree.c: Likewise.
5617         * tree-ssa-copy.c: Likewise.
5618         * ipa-prop.h: Likewise.
5619         * tree-ssa-forwprop.c: Likewise.
5620         * ggc-page.c: Likewise.
5621         * c-omp.c: Likewise.
5622         * tree-ssa-dce.c: Likewise.
5623         * tree-vect-patterns.c: Likewise.
5624         * tree-ssa-ter.c: Likewise.
5625         * tree-nested.c: Likewise.
5626         * tree-ssa.c: Likewise.
5627         * lambda-code.c: Likewise.
5628         * tree-ssa-loop-prefetch.c: Likewise.
5629         * tree-inline.c: Likewise.
5630         * tree-inline.h: Likewise.
5631         * tree-iterator.c: Likewise.
5632         * tree-optimize.c: Likewise.
5633         * tree-ssa-phiprop.c: Likewise.
5634         * tree-vect-transform.c: Likewise.
5635         * tree-object-size.c: Likewise.
5636         * tree-outof-ssa.c: Likewise.
5637         * cfgloop.c: Likewise.
5638         * system.h: Likewise.
5639         * tree-profile.c: Likewise.
5640         * cfgloop.h: Likewise.
5641         * c-gimplify.c: Likewise.
5642         * c-common.c: Likewise.
5643         * tree-vect-generic.c: Likewise.
5644         * tree-flow.h: Likewise.
5645         * c-common.h: Likewise.
5646         * basic-block.h: Likewise.
5647         * tree-ssa-structalias.c: Likewise.
5648         * tree-switch-conversion.c: Likewise.
5649         * tree-ssa-structalias.h: Likewise.
5650         * tree-cfg.c: Likewise.
5651         * passes.c: Likewise.
5652         * ipa-struct-reorg.c: Likewise.
5653         * ipa-struct-reorg.h: Likewise.
5654         * tree-ssa-reassoc.c: Likewise.
5655         * cfgrtl.c: Likewise.
5656         * varpool.c: Likewise.
5657         * stmt.c: Likewise.
5658         * tree-ssanames.c: Likewise.
5659         * tree-ssa-threadedge.c: Likewise.
5660         * langhooks-def.h: Likewise.
5661         * tree-ssa-operands.c: Likewise.
5662         * config/alpha/alpha.c: Likewise.
5663         * config/frv/frv.c: Likewise.
5664         * config/s390/s390.c: Likewise.
5665         * config/m32c/m32c.c: Likewise.
5666         * config/m32c/m32c-protos.h: Likewise.
5667         * config/spu/spu.c: Likewise.
5668         * config/sparc/sparc.c: Likewise.
5669         * config/i386/i386.c: Likewise.
5670         * config/sh/sh.c: Likewise.
5671         * config/xtensa/xtensa.c: Likewise.
5672         * config/stormy16/stormy16.c: Likewise.
5673         * config/ia64/ia64.c: Likewise.
5674         * config/rs6000/rs6000.c: Likewise.
5675         * config/pa/pa.c: Likewise.
5676         * config/mips/mips.c: Likewise.
5677
5678 2008-07-28  Simon Baldwin  <simonb@google.com>
5679
5680         * c-pragma.c (handle_pragma_message): New function.
5681         (init_pragma): Register handle_pragma_message.
5682         * doc/extend.texi (Diagnostic Pragmas): Added #pragma message
5683         documentation.
5684
5685 2008-07-27  Victor Kaplansky  <victork@il.ibm.com>
5686
5687         PR tree-optimization/35252
5688         * tree-vect-analyze.c (vect_build_slp_tree): Make IMAGPART_EXPR and
5689         REALPART_EXPR to be considered as same load operation.
5690
5691 2008-07-27  Eric Botcazou  <ebotcazou@adacore.com>
5692
5693         PR tree-optimization/36830
5694         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Hash operand #2.
5695         (expressions_equal_p): Return false if only one operand is null.
5696
5697 2008-07-26  Gerald Pfeifer  <gerald@pfeifer.com>
5698
5699         * doc/install.texi (powerpc-*-netbsd*): Remove redundant texinfo
5700         version requirements.
5701
5702 2008-07-26  Olivier Hainque  <hainque@adacore.com>
5703
5704         * collect2.c (symkind): New enum.  Symbol kinds we care about.
5705         (is_ctor_dtor): Return symkind instead of int.  Adjust prototype,
5706         code and head comment accordingly.
5707         (scan_prog_file): Use symkind names instead of bare integers.
5708
5709 2008-07-25  Jan Hubicka  <jh@suse.cz>
5710
5711         * cgraph.c (cgraph_function_possibly_inlined_p): Do not rely on
5712         DECL_INLINE.
5713         * cgraphunit.c (record_cdtor_fn): Do not initialize DECL_INLINE
5714         (cgraph_preserve_function_body_p): Do not rely on DECL_INLINE.
5715         * dojump.c (clear_pending_stack_adjust): Likewise.
5716         * print-tree.c (print_node): Ignore DECL_INLINE.
5717         * tree-inline.c (inlinable_function_p): Likewise.
5718
5719 2008-07-25  Michael Meissner  <gnu@the-meissners.org>
5720
5721         * doc/extend.texi (hot attribute): Document that the hot attribute
5722         turns on -O3 for some ports.
5723         (cold attribute): Document that the cold attribute turns on -Os
5724         for some ports
5725
5726         * doc/tm.texi (OPTIMIZATION_OPTIONS): Update documentation to
5727         reflect function specific option support.
5728
5729         * target.h (struct target_option_hooks): Add fields to say whether
5730         the cold attribute implies -Os and the hot attribute implies -O3.
5731
5732         * target-def.h (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION):
5733         By default, do not turn on -Os for cold functions.
5734         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): By default, do
5735         not turn on -O3 for hot functions.
5736
5737         * c-common.c (handle_hot_attribute): Use target hook to determine
5738         if hot functions should enable -O3.
5739         (handle_cold_attribute): Use target hook to determine if cold
5740         functions should enable -Os.
5741
5742         * config/i386/i386.c (ix86_target_string): Add -m3dnowa support.
5743         (override_options): Move disable scheduling to
5744         optimization_options.
5745         (optimization_options): Disable scheduling here, not
5746         override_options.
5747         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
5748         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
5749
5750         * config/ia64/ia64.c (ia64_override_options): Move setting
5751         scheduling flags to ia64_optimization_options.
5752         (ia64_optimization_options): Disable scheduling options here, and
5753         not in ia64_override_options.
5754         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
5755         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
5756
5757 2008-07-25  H.J. Lu  <hongjiu.lu@intel.com>
5758
5759         PR target/36936
5760         * config/i386/i386.c (override_options): Don't clear TARGET_CMOVE.
5761
5762 2008-07-25  Martin Jambor  <mjambor@suse.cz>
5763
5764         PR tree-optimization/36926
5765         * ipa-prop.c (ipa_analyze_call_uses): Call
5766         ipa_is_ssa_with_stmt_def instead of SSA_NAME_IS_DEFAULT_DEF.
5767
5768 2008-07-25  Joseph Myers  <joseph@codesourcery.com>
5769
5770         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
5771         movv2si_internal): Add mem = reg alternative.
5772
5773 2008-07-25  Andreas Tobler  <a.tobler@schweiz.org>
5774
5775         PR bootstrap/36918
5776         * config/sparc/sparc.h (DEFAULT_PCC_STRUCT_RETURN): Define
5777         DEFAULT_PCC_STRUCT_RETURN to 127.
5778
5779 2008-07-24  Jan Hubicka  <jh@suse.cz>
5780
5781         * cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
5782         (build_cgraph_edges): Likewise.
5783         * cgraph.c (cgraph_node): Do not update assembler hash.
5784         (cgraph_remove_node): Drop non-unit-at-a-time code.
5785         * tree-pass.h (pass_O0_always_inline): Remove.
5786         * ipa-reference.c (gate_reference): Remove unit-at-a-time check.
5787         * toplev.c (process_options): Flag unit-at-a-time does not imply
5788         no section anchors.
5789         * cgraphunit.c: Update comments.
5790         (decide_is_function_needed): Drop non-unit-at-a-time mode.
5791         (cgraph_assemble_pending_functions): Remove.
5792         (cgraph_reset_node): Drop non-unit-at-a-time code.
5793         (cgraph_finalize_function): Likewise.
5794         (cgraph_analyze_function): Likewise.
5795         (cgraph_finalize_compilation_unit): Likewise.
5796         (cgraph_expand_function): Likewise.
5797         (cgraph_optimize): Likesise.
5798         (save_inline_function_body): Likewise.
5799         * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
5800         * tree-ssa-alias.c (maybe_be_aliased): Likewise.
5801         * ipa-inline.c: Update comments.
5802         (enum inlining_mode): remove INLINE_SPEED.
5803         (cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
5804         (cgraph_mark_inline_edge): Likewise.
5805         (try_inline): Likewise.
5806         (cgraph_decide_inlining_incrementally): Likewise.
5807         (cgraph_gate_inlining): Remove.
5808         (cgraph_early_inlining): Remove flag_unit_at_a_time checks.
5809         (cgraph_gate_early_inlining): Likewise.
5810         (gate_inline_passes): Remove.
5811         (pass_inline_parameters, pass_ipa_inline): Remove gates.
5812         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
5813         pass_O0_always_inline): Remove.
5814         * c-pch.c (c_pch_matching): Remove -funit-at-a-time.
5815         * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
5816         * opts.c (no_unit_at_a_time_default): Remove.
5817         (decode_options): Remove flag_unit_at_a_time reset and warning.
5818         * opts.h (no_unit_at_a_time_default): Remove.
5819         * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
5820         early in GNU dialect.
5821         (merge_decls): Update comment; drop unit-at-a-time check.
5822         (finish_decl): Likewise.
5823         (grok_declaration): Remove flag_inline_trees code.
5824         (finish_functions): Return on function returning non-void on all
5825         statics.
5826         * ipa-tye-escape.c (gate_type_escape_vars): Remove.
5827         * cfgexpand.c (expand_one_static_var): Remove.
5828         (expand_one_var): Remove expand_one_static_var call.
5829         (expand_used_vars_for_block): Remove flag_unit_a_time check.
5830         * c-opts.c (c_common_post_options): Remove flag_inline_trees code
5831         and flag_unit_at_a-time compatibility checks.
5832         * varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
5833         * tree-inline.c (flag_inline_trees): Remove.
5834         (inlinable_function_p): Don't check it.
5835         (expand_call_inline): Remove non-unit-at-a-time code.
5836         * tree-inline.h (flag_inline_trees): Remove.
5837         * tree-optimize.c (execute_early_local_optimizations): Remove
5838         unit-at-a-time checks.
5839         (tree_rest_of_compilation): Likewise.
5840         * combine.c (setup_incoming_promotions): Likewise.
5841         * tree-profile.c (tree_gen_ic_func_profiler): Likewise.
5842         * tree-ssa-structalias.c (delete_points_to_sets): Likewise.
5843         * passes.c (pass_inline_parameters): Update comments; remove
5844         O0_alwaysinline pass.
5845         (execute_one_ipa_transform_pass): Do not reset in_gimple_form.
5846         (execute_one_pass): Likewise.
5847         * i386.c (ix86_function_regparm): Remove unit-at-a-time check.
5848         (ix86_function_sseregparm): Likewise.
5849         * arm.c (arm_function_in_section_p): Likewise.
5850         * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
5851         * varpool.c: Update comments.
5852         (decide_is_variable_needed): Remove unit-at-a-time checks.
5853         (varpool_finalize_decl): Likewise.
5854
5855 2008-07-24  Kaz Kojima  <kkojima@gcc.gnu.org>
5856
5857         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_omit_frame_pointer
5858         to 2 instead of -1.
5859         (OVERRIDE_OPTIONS): Check if flag_omit_frame_pointer is equal to 2.
5860
5861 2008-07-24  Kai Tietz  <kai.tietz@onevision.com>
5862
5863         * config/i386/i386.c (get_dllimport_decl): Treat user_label_prefix for
5864         imp symbol extension.
5865
5866         2008-07-23  Ian Lance Taylor  <iant@google.com>
5867
5868         * tree-vrp.c (infer_value_range): Ignore asm statements when
5869         looking for memory accesses for -fdelete-null-pointer-checks.
5870
5871 2008-07-24  Ben Elliston  <bje@au.ibm.com>
5872
5873         * config/spu/spu-c.c (__vector_keyword): New variable.
5874         (vector_keyword): Likewise.
5875         (spu_categorize_keyword): New function.
5876         (spu_macro_to_expand): Likewise.
5877         (spu_cpu_cpp_builtins): Enable context-sensitive macros if not
5878         compiling an ISO C dialect.
5879
5880 2008-07-24  Ben Elliston  <bje@au.ibm.com>
5881
5882         * config/rs6000/rs6000-c.c: Move GTY(()) markers to match
5883         conventional usage.
5884
5885 2008-07-23  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
5886
5887         * configure: Regenerate.
5888         * configure.ac: Require texinfo 4.7.
5889         * doc/install.texi: Document texinfo 4.7 requirement.
5890
5891 2008-07-23  Martin Jambor  <mjambor@suse.cz>
5892
5893         * ipa-cp.c (ipcp_print_edge_profiles): Test for node->analyzed
5894         rather than for DECL_SAVED_TREE.
5895         * ipa-prop.c: Include diagnostic.h.
5896         (ipa_check_stmt_modifications): Check LHS of GIMPLE_MODIFY_EXPRs
5897         thoroughly.
5898         (ipa_detect_param_modifications): Function rewritten from scratch.
5899         (ipa_compute_jump_functions): Changed accesses to modification flags.
5900         (ipa_free_node_params_substructures): Update flags destruction.
5901         (ipa_node_duplication_hook): Update flags duplication.
5902         (ipa_print_all_params_modified): Updated flag access.
5903         * ipa-prop.h (struct ipa_param_flags): New structure.
5904         (struct ipa_node_params): New field modification_analysis_done,
5905         modified_flags changed into param_flags.
5906         (ipa_is_ith_param_modified): Changed to use new flags.
5907         * Makefile.in (ipa-prop.o): Add $(DIAGNOSTIC_H) to dependencies.
5908
5909         * ipa-prop.c (ipa_print_all_jump_functions): Moved here from
5910         ipa-cp.c and split into two functions.
5911         (ipa_print_node_jump_functions): New function.
5912         (compute_scalar_jump_functions): New function.
5913         (type_like_member_ptr_p): New function.
5914         (compute_pass_through_member_ptrs): New function.
5915         (fill_member_ptr_cst_jump_function): New function.
5916         (determine_cst_member_ptr): New function.
5917         (compute_cst_member_ptr_arguments): New function.
5918         (ipa_compute_jump_functions): Complete rewrite.
5919         * ipa-prop.h (enum jump_func_type): Make explicit that we depend
5920         on IPA_UNKNOWN being zero. Added value IPA_CONST_MEMBER_PTR.
5921         (struct ipa_member_ptr_cst): New structure.
5922         (union jump_func_value): New field member_cst.
5923         * ipa-cp.c (ipcp_lat_is_insertable): New function.
5924         (ipcp_lattice_from_jfunc): Produces bottom lattices for unhandled
5925         jump function types.
5926         (ipcp_print_all_lattices): Slight fprintf rearrangement.
5927         (ipcp_print_all_structures): Call ipa_print_all_jump_functions
5928         instead of ipcp_print_all_jump_functions.
5929         (ipcp_insert_stage): Use ipcp_lat_is_insertable, create replace maps
5930         only for replacable scalars.
5931
5932         * doc/invoke.texi (Optimize options): Add description of
5933         -findirect-inlining.
5934         * common.opt (flag_indirect_inlining): New flag.
5935         * opts.c (decode_options): Set flag_indirect_inlining when
5936         optimize >= 3.
5937
5938         * ipa-inline.c: Include ipa-prop.h.
5939         (inline_indirect_intraprocedural_analysis): New function.
5940         (inline_generate_summary): Allocate parameter and argument info
5941         structures, call inline_indirect_intraprocedural_analysis on each
5942         node when doing indirect inlining and deallocate indirect inlining
5943         data structures in the end.
5944         * ipa-prop.c (ipa_create_param_decls_array): Return if already done.
5945         (free_all_ipa_structures_after_iinln): New function.
5946         (free_all_ipa_structures_after_ipa_cp): Checks whether iinln will be
5947         done.
5948         * Makefile.in (ipa-inline.o): Added $(IPA_PROP_H) to dependencies.
5949
5950         * cgraphbuild.c (compute_call_stmt_bb_frequency): New function.
5951         (build_cgraph_edges): Call compute_call_stmt_bb_frequency instead
5952         of computing the frequency separately.
5953         (rebuild_cgraph_edges): Call compute_call_stmt_bb_frequency instead
5954         of computing the frequency separately.
5955         * ipa-cp.c (ipcp_print_all_structures): Replace a call to
5956         ipa_print_all_param_modified with a call to ipa_print_all_param_flags.
5957         * ipa-prop.c (ipa_get_member_ptr_load_param): New function.
5958         (ipa_get_stmt_member_ptr_load_param): New function.
5959         (ipa_is_ssa_with_stmt_def): New function.
5960         (ipa_note_param_call): New function.
5961         (ipa_analyze_call_uses): New function.
5962         (ipa_analyze_stmt_uses): New function.
5963         (ipa_analyze_params_uses): New function.
5964         (ipa_free_node_params_substructures): Also free the param_calls linked
5965         list.
5966         (ipa_node_duplication_hook): Also duplicate the param_calls linked list.
5967         (ipa_print_node_param_flags): New function.
5968         (ipa_print_all_params_modified): Renamed to ipa_print_all_param_flags.
5969         (ipa_print_all_param_flags): Calls ipa_print_node_param_flags.
5970         * ipa-prop.h (struct ipa_param_flags): New field called.
5971         (struct ipa_param_call_note): New structure.
5972         (struct ipa_node_params): New fields param_calls and
5973         uses_analysis_done.
5974         (ipa_is_ith_param_called): New function.
5975         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
5976         ipa_analyze_params_uses and dump parameter flags.
5977
5978         * ipa-inline.c (cgraph_decide_recursive_inlining): Call
5979         ipa_propagate_indirect_call_infos if performing indirect inlining,
5980         pass a new parameter new_edges to it.
5981         (add_new_edges_to_heap): New fucntion.
5982         (cgraph_decide_inlining_of_small_functions): New vector
5983         new_indirect_edges for newly found indirect edges , call
5984         ipa_propagate_indirect_call_infos after inlining.
5985         (cgraph_decide_inlining): Call ipa_propagate_indirect_call_infos after
5986         inlining if performing indirect inlining.  Call
5987         free_all_ipa_structures_after_iinln when doing so too.
5988         (inline_generate_summary): Do not call
5989         free_all_ipa_structures_after_iinln here.
5990         * ipa-prop.c (update_jump_functions_after_inlining): New function.
5991         (print_edge_addition_message): New function.
5992         (update_call_notes_after_inlining): New function.
5993         (propagate_info_to_inlined_callees): New function.
5994         (ipa_propagate_indirect_call_infos): New function.
5995         * ipa-prop.h: Include cgraph.h
5996         (struct ipa_param_call_note): Fields reordered, new field processed.
5997         * cgraph.h (cgraph_edge): Shrink loop_nest field to 31 bits, add a new
5998         flag indirect_call.
5999         * cgraphunit.c (verify_cgraph_node): Allow indirect edges not to have
6000         rediscovered call statements.
6001         * cgraph.c (cgraph_create_edge): Initialize indirect_call to zero.
6002         (dump_cgraph_node): Dump also the indirect_call flag.
6003         (cgraph_clone_edge): Copy also the indirect_call flag.
6004         * tree-inline.c (copy_bb): Do not check for fndecls from call
6005         expressions, check for edge availability when moving clones.
6006         (get_indirect_callee_fndecl): New function.
6007         (expand_call_inline): If callee declaration is not apprent from
6008         the statement, try calling get_indirect_callee_fndecl.  Do not
6009         issue warnings or call sorry when not inlinings an indirect edge.
6010         * Makefile.in (IPA_PROP_H): Added $(CGRAPH_H) to dependencies.
6011
6012         * ipa-prop.c (ipa_print_node_param_flags): Make the dump format a
6013         bit more frandly to matching.
6014         * testsuite/g++.dg/ipa/iinline-1.C: New testcase.
6015         * testsuite/gcc.dg/ipa/iinline-1.c: New testcase.
6016         * testsuite/gcc.dg/ipa/modif-1.c: New testcase.
6017
6018 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
6019
6020         PR 36907
6021         * opth-gen.awk: Suppress function specific features when building
6022         target libraries.
6023         * optc-gen.awk: Ditto.
6024
6025 2008-07-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6026
6027         PR 35058
6028         * diagnostic.c (pedwarn): Add opt parameter.
6029         (pedwarn0): New.
6030         * c-tree.h (pedwarn_init): Add opt parameter.
6031         (pedwarn_c90): Likewise.
6032         (pedwarn_c99): Likewise.
6033         * c-errors.c (pedwarn_c99): Likewise.
6034         (pedwarn_c90): Likewise.
6035         * toplev.h (pedwarn): Update declaration.
6036         (pedwarn0): Declare.
6037         * c-lex.c: All calls to pedwarn changed.
6038         * builtins.c: All calls to pedwarn changed.
6039         * toplev.c: All calls to pedwarn changed.
6040         * c-decl.c: All calls to pedwarn changed.
6041         * c-typeck.c: All calls to pedwarn changed.
6042         * c-common.c: All calls to pedwarn changed.
6043         * c-parser.c: All calls to pedwarn changed.
6044
6045 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
6046             Karthik Kumar  <karthikkumar@gmail.com>
6047
6048         * attribs.c (file scope): Include c-common.h.
6049         (decl_attributes): Add support for #pragma GCC optimize and
6050         #pragma GCC option.
6051
6052         * targhooks.c (default_can_inline_p): New function that is the
6053         default for the TARGET_CAN_INLINE_P target hook.
6054
6055         * targhooks.h (default_can_inline_p): Add declaration.
6056
6057         * tree.c (cl_optimization_node): New static tree for building
6058         OPTIMIZATION_NODE tree.
6059         (cl_target_option_node): New static tree for building
6060         TARGET_OPTION_NODE tree.
6061         (cl_option_hash_table): New hash table for hashing
6062         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
6063         (cl_option_hash_hash): New function to provide the hash value for
6064         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
6065         (cl_option_hash_eq): New function to provide an equality test for
6066         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
6067         (tree_code_size): Add support for OPTIMIZATION_NODE and
6068         TARGET_OPTION_NODE trees.
6069         (tree_code_structure): Add support for OPTIMIZATION_NODE and
6070         TARGET_OPTION_NODE trees.
6071         (build_optimization_node): Build a tree that has all of the
6072         current optimization options.
6073         (build_target_option_node): Build a tree that has the target
6074         options that might be changed on a per function basis.
6075
6076         * tree.h (file scope): Include options.h.
6077         (DECL_FUNCTION_SPECIFIC_TARGET): New accessor macro.
6078         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
6079         (TREE_OPTIMIZATION): Ditto.
6080         (TREE_TARGET_SPECIFIC): Ditto.
6081         (struct tree_function_decl): Add fields for remembering the
6082         current optimization options and target specific options.
6083         (struct tree_optimization_option): New tree variant that remembers
6084         the optimization options.
6085         (struct tree_target_option): New tree variant that remembers the
6086         target specific flags that might change for compiling a particular
6087         function.
6088         (union tree_node): Include tree_optimization_option and
6089         tree_target_option fields.
6090         (enum tree_index): Add TI_OPTIMIZATION_DEFAULT,
6091         TI_OPTIMIZATION_CURRENT, TI_OPTIMIZATION_COLD,
6092         TI_OPTIMIZATION_HOT, TI_TARGET_OPTION_DEFAULT,
6093         TI_TARGET_OPTION_CURRENT, TI_CURRENT_OPTION_PRAGMA,
6094         TI_CURRENT_OPTIMIZE_PRAGMA entries for saving function specific
6095         optimization and target options.
6096         (optimization_default_node): New macro to refer to global_trees
6097         field.
6098         (optimization_current_node): Ditto.
6099         (optimization_cold_node): Ditto.
6100         (optimization_hot_node): Ditto.
6101         (target_option_default_node): Ditto.
6102         (target_option_current_node): Ditto.
6103         (current_option_pragma): Ditto.
6104         (current_optimize_pragma): Ditto.
6105
6106         * target.h (struct gcc_target): Add valid_option_attribute_p,
6107         target_option_save, target_option_restore, target_option_print,
6108         target_option_pragma_parse, and can_inline_p hooks.
6109
6110         * toplev.h (parse_optimize_options): Add declaration.
6111         (fast_math_flags_struct_set_p): Ditto.
6112
6113         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): New function to
6114         adjust the current __OPTIMIZE__, etc. macros when #pragma GCC
6115         optimize is used.
6116
6117         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Call
6118         tree_can_inline_p hook to see if one function can inline another.
6119         (cgraph_decide_inlining): Ditto.
6120         (cgraph_decide_inlining_incrementally): Ditto.
6121
6122         * opts.c (decode_options): Add support for running multiple times
6123         to allow functions with different target or optimization options
6124         than was specified on the command line.
6125         (fast_math_flags_struct_set_p): New function that is similar to
6126         fast_math_flags_set_p, except it uses the values in the
6127         cl_optimization structure instead of global variables.
6128
6129         * optc-gen.awk: Add support for TargetSave to allow a back end to
6130         declare new fields that need to be saved when using function
6131         specific options.  Include flags.h and target.h in the options.c
6132         source.  Add support for Save to indicate which options can be set
6133         for individual functions.  Generate cl_optimize_save,
6134         cl_optimize_restore, cl_optimize_print, cl_target_option_save,
6135         cl_target_option_restore, cl_target_option_print functions to
6136         allow functions to use different optimization or target options.
6137
6138         * opt-functions.awk (var_type_struct): Return the type used for
6139         storing the field in a structure.
6140
6141         * opth-gen.awk: Add support for TargetSave to allow a back end to
6142         declare new fields that need to be saved when using function
6143         specific options.  Add support for Save to indicate which options
6144         can be set for individual functions.  Only generate one extern for
6145         Mask fields.  Generate cl_optimization and cl_target_option
6146         structures to remember optimization and target options.
6147
6148         * treestruct.def (TS_OPTIMIZATION): Add support for garbage
6149         collecting new tree nodes.
6150         (TS_TARGET_OPTION): Ditto.
6151
6152         * c-decl.c (merge_decls): Merge function specific target and
6153         optimization options.
6154
6155         * function.c (invoke_set_current_function_hook): If the function
6156         uses different optimization options, change the global variables
6157         to reflect this.
6158
6159         * coretypes.h (struct cl_optimization): Add forward reference.
6160         (struct cl_target_option): Ditto.
6161
6162         * c-pragma.c (option_stack): New static vector to remember the
6163         current #pragma GCC option stack.
6164         (handle_pragma_option): New function to support #pragma GCC option
6165         to change target options.
6166         (optimize_stack): New static vector to remember the current
6167         #pragma GCC optimize stack.
6168         (handle_pragma_optimize): New function to support #pragma GCC
6169         optimize to change optimization options.
6170         (init_pragma): Add support for #pragma GCC optimize and #pragma
6171         GCC option.
6172
6173         * tree.def (OPTIMIZATION_NODE): New tree code for remembering
6174         optimization options.
6175         (TARGET_OPTION_NODE): New tree code for remembering certain target
6176         options.
6177
6178         * print-tree.c (print_node): Add support for OPTIMIZATION_NODE and
6179         TARGET_OPTION_NODE trees.
6180
6181         * common.opt (-O): Add Optimization flag.
6182         (-Os): Ditto.
6183         (-fmath-errno): Ditto.
6184         (-falign-functions): Add UInteger flag to make sure flag gets full
6185         int in cl_optimization structure.
6186         (-falign-jumps): Ditto.
6187         (-falign-labels): Ditto.
6188         (-falign-loops): Ditto.
6189         (-fsched-stalled-insns): Ditto.
6190         (-fsched-stalled-insns-dep): Ditto.
6191
6192         * target-def.h (TARGET_VALID_OPTION_ATTRIBUTE_P): Add default
6193         definition.
6194         (TARGET_OPTION_SAVE): Ditto.
6195         (TARGET_OPTION_RESTORE): Ditto.
6196         (TARGET_OPTION_PRINT): Ditto.
6197         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
6198         (TARGET_CAN_INLINE_P): Ditto.
6199         (TARGET_INITIALIZER): Add new hooks.
6200
6201         * tree-inline.c (tree_can_inline_p): New function to determine
6202         whether one function can inline another.  Check if the functions
6203         use compatible optimization options, and also call the backend
6204         can_inline_p hook.
6205
6206         * tree-inline.h (tree_can_inline_p): Add declaration.
6207
6208         * c-common.c (c_common_attribute): Add support for option and
6209         optimize attributes.
6210         (handle_option_attribute): Add support for the option attribute to
6211         allow the user to specify different target options for compiling a
6212         specific function.
6213         (handle_optimize_attribute): Add support for the optimize
6214         attribute to allow the user to specify different optimization
6215         options for compiling a specific function.
6216         (handle_hot_attribute): Turn on -O3 optimization for this one
6217         function if it isn't the default optimization level.
6218         (handle_cold_attribute): Turn on -Os optimization for this one
6219         function if it insn't the default optimization.
6220         (const_char_p): New const char * typedef.
6221         (optimize_args): New static vector to remember the optimization
6222         arguments.
6223         (parse_optimize_options): New function to set up the optimization
6224         arguments from either the optimize attribute or #pragma GCC optimize.
6225
6226         * c-common.h (c_cpp_builtins_optimize_pragma): Add declaration.
6227         (builtin_define_std): Ditto.
6228
6229         * config.gcc (i[3467]86-*-*): Add i386-c.o to C/C++ languages.
6230         Add t-i386 Makefile fragment to add i386-c.o and i386.o dependencies.
6231         (x86_64-*-*): Ditto.
6232
6233         * Makefile.in (TREE_H): Add options.h.
6234         (options.o): Add $(TARGET_H) $(FLAGS_H) dependencies.
6235
6236         * doc/extend.texi (option attribute): Document new attribute.
6237         (optimize attribute): Ditto.
6238         (hot attribute): Document hot attribute sets -O3.
6239         (cold attribute): Document cold attribute sets -Os.
6240         (#pragma GCC option): Document new pragma.
6241         (#pragma GCC optimize): Ditto.
6242
6243         * doc/options.texi (TargetSave): Document TargetSave syntax.
6244         (UInteger): Document UInteger must be used for certain flags.
6245         (Save): Document Save option to create target specific options
6246         that can be saved/restored on a function specific context.
6247
6248         * doc/c-tree.texi (DECL_FUNCTION_SPECIFIC_TARGET): Document new macro.
6249         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
6250
6251         * doc/tm.texi (TARGET_VALID_OPTION_ATTRIBUTE_P): Document new hook.
6252         (TARGET_OPTION_SAVE): Ditto.
6253         (TARGET_OPTION_RESTORE): Ditto.
6254         (TARGET_OPTION_PRINT): Ditto.
6255         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
6256         (TARGET_CAN_INLINE_P): Ditto.
6257
6258         * doc/invoke.texi (-mfpmath=sse+387): Document as an alias for
6259         -mfpmath=sse,387.
6260         (-mfpmath=both): Ditto.
6261
6262 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
6263             Karthik Kumar  <karthikkumar@gmail.com>
6264
6265         * config/i386/i386.h (TARGET_ABM): Move switch into ix86_isa_flags.
6266         (TARGET_POPCNT): Ditto.
6267         (TARGET_SAHF): Ditto.
6268         (TARGET_AES): Ditto.
6269         (TARGET_PCLMUL): Ditto.
6270         (TARGET_CMPXCHG16B): Ditto.
6271         (TARGET_RECIP): Move switch into target_flags.
6272         (TARGET_FUSED_MADD): Ditto.
6273         (ix86_arch_features): Make an unsigned char type.
6274         (ix86_tune_features): Ditto.
6275         (OVERRIDE_OPTIONS): Add bool argument to override_options call.
6276         (TARGET_CPU_CPP_BUILTINS): Move into ix86_target_macros.
6277         (REGISTER_TARGET_PRAGMAS): Define, call ix86_register_pragmas.
6278
6279         * config/i386/i386.opt (arch): New TargetSave field to define
6280         fields that need to be saved for function specific option support.
6281         (tune): Ditto.
6282         (fpmath): Ditto.
6283         (branch_cost): Ditto.
6284         (ix86_isa_flags_explicit): Ditto.
6285         (tune_defaulted): Ditto.
6286         (arch_specified): Ditto.
6287         (-m128-long-double): Add Save flag to save option for target
6288         specific option support.
6289         (-m80387): Ditto.
6290         (-maccumulate-outgoing-args): Ditto.
6291         (-malign-double): Ditto.
6292         (-malign-stringops): Ditto.
6293         (-mfancy-math-387): Ditto.
6294         (-mhard-float): Ditto.
6295         (-mieee-fp): Ditto.
6296         (-minline-all-stringops): Ditto.
6297         (-minline-stringops-dynamically): Ditto.
6298         (-mms-bitfields): Ditto.
6299         (-mno-align-stringops): Ditto.
6300         (-mno-fancy-math-387): Ditto.
6301         (-mno-push-args): Ditto.
6302         (-mno-red-zone): Ditto.
6303         (-mpush-args): Ditto.
6304         (-mred-zone): Ditto.
6305         (-mrtd): Ditto.
6306         (-msseregparm): Ditto.
6307         (-mstack-arg-probe): Ditto.
6308         (-m32): Ditto.
6309         (-m64): Ditto.
6310         (-mmmx): Ditto.
6311         (-m3dnow): Ditto.
6312         (-m3dnowa): Ditto.
6313         (-msse): Ditto.
6314         (-msse2): Ditto.
6315         (-msse3): Ditto.
6316         (-msse4.1): Ditto.
6317         (-msse4.2): Ditto.
6318         (-msse4): Ditto.
6319         (-mno-sse4): Ditto.
6320         (-msse4a): Ditto.
6321         (-msse5): Ditto.
6322         (-mrecip): Move flag into target_flags.
6323         (-mcld): Ditto.
6324         (-mno-fused-madd): Ditto.
6325         (-mfused-madd): Ditto.
6326         (-mabm): Move flag into ix86_isa_flags.
6327         (-mcx16): Ditto.
6328         (-mpopcnt): Ditto.
6329         (-msahf): Ditto.
6330         (-maes): Ditto.
6331         (-mpclmul): Ditto.
6332
6333         * config/i386/i386-c.c: New file for #pragma support.
6334         (ix86_target_macros_internal): New function to #define or #undef
6335         target macros based when the user uses the #pragma GCC option to
6336         change target options.
6337         (ix86_pragma_option_parse): New function to add #pragma GCC option
6338         support.
6339         (ix86_target_macros): Move defining the target macros here from
6340         TARGET_CPU_CPP_BUILTINS in i386.h.
6341         (ix86_register_pragmas): Register the #pragma GCC option hook.  If
6342         defined, initialize any subtarget #pragmas.
6343
6344         * config/i386/darwin.h (REGISTER_SUBTARGET_PRAGMAS): Rename from
6345         REGISTER_TARGET_PRAGMAS.
6346
6347         * config/i386/t-i386: New file for x86 dependencies.
6348         (i386.o): Make dependencies mirror the include files used.
6349         (i386-c.o): New file, add dependencies.
6350
6351         * config/i386/i386-protos.h (override_options): Add bool argument.
6352         (ix86_valid_option_attribute_tree): Add declaration.
6353         (ix86_target_macros): Ditto.
6354         (ix86_register_macros): Ditto.
6355
6356         * config/i386/i386.c (ix86_tune_features): Move initialization of
6357         the target masks to initial_ix86_tune_features to allow functions
6358         to have different target options.  Make type unsigned char,
6359         instead of unsigned int.
6360         (initial_ix86_tune_features): New static vector to hold processor
6361         masks for the tune variables.
6362         (ix86_arch_features): Move initialization of the target masks to
6363         initial_ix86_arch_features to allow functions to have different
6364         target options.  Make type unsigned char, instead of unsigned int.
6365         (initial_ix86_arch_features): New static vector to hold processor
6366         masks for the arch variables.
6367         (enum ix86_function_specific_strings): New enum to describe the
6368         string options used for attribute((option(...))).
6369         (ix86_target_string): New function to return a string that
6370         describes the target options.
6371         (ix86_debug_options): New function to print the current options in
6372         the debugger.
6373         (ix86_function_specific_save): New function hook to save the
6374         function specific global variables in the cl_target_option structure.
6375         (ix86_function_specific_restore): New function hook to restore the
6376         function specific variables from the cl_target_option structure to
6377         the global variables.
6378         (ix86_function_specific_print): New function hook to print the
6379         target specific options in the cl_target_option structure.
6380         (ix86_valid_option_attribute_p): New function hook to validate
6381         attribute((option(...))) arguments.
6382         (ix86_valid_option_attribute_tree): New function that is common
6383         code between attribute((option(...))) and #pragma GCC option
6384         support that parses the options and returns a tree holding the options.
6385         (ix86_valid_option_attribute_inner_p): New helper function for
6386         ix86_valid_option_attribute_tree.
6387         (ix86_can_inline_p): New function hook to decide if one function
6388         can inline another on a target specific basis.
6389         (ix86_set_current_function); New function hook to switch target
6390         options if the user used attribute((option(...))) or #pragma GCC
6391         option.
6392         (ix86_tune_defaulted): Move to static file scope from
6393         override_options.
6394         (ix86_arch_specified): Ditto.
6395         (OPTION_MASK_ISA_AES_SET): New macro for moving switches into
6396         ix86_isa_flags.
6397         (OPTION_MASK_ISA_PCLMUL_SET): Ditto.
6398         (OPTION_MASK_ISA_ABM_SET): Ditto.
6399         (OPTION_MASK_ISA_POPCNT_SET): Ditto.
6400         (OPTION_MASK_ISA_CX16_SET): Ditto.
6401         (OPTION_MASK_ISA_SAHF_SET): Ditto.
6402         (OPTION_MASK_ISA_AES_UNSET): Ditto.
6403         (OPTION_MASK_ISA_PCLMUL_UNSET): Ditto.
6404         (OPTION_MASK_ISA_ABM_UNSET): Ditto.
6405         (OPTION_MASK_ISA_POPCNT_UNSET): Ditto.
6406         (OPTION_MASK_ISA_CX16_UNSET): Ditto.
6407         (OPTION_MASK_ISA_SAHF_UNSET): Ditto.
6408         (struct ptt): Move to static file scope from override_options.
6409         (processor_target_table): Ditto.
6410         (cpu_names): Ditto.
6411         (ix86_handle_option): Add support for options that are now isa options.
6412         (override_options): Add support for declaring functions that
6413         support different target options than were specified on the
6414         command line.  Move struct ptt, processor_target_table, cpu_names,
6415         ix86_tune_defaulted, ix86_arch_specified to static file scope.
6416         Add bool argument.  Fix up error messages so the appropriate error
6417         is given for either command line or attribute.
6418         (ix86_previous_fndecl): New static to remember previous function
6419         declaration to see if we need to change target options.
6420         (ix86_builtins_isa): New array to record the ISA of each builtin
6421         function.
6422         (def_builtin): Always create the builtin function, even if the
6423         current ISA doesn't support it.
6424         (ix86_init_mmx_sse_builtins): Remove TARGET_AES and TARGET_PCLMUL
6425         tests for those builtins.
6426         (ix86_init_builtins): Remove TARGET_MMX test for calling
6427         ix86_init_mmx_sse_builtins.
6428         (ix86_expand_builtin): If the current ISA doesn't support a given
6429         builtin, signal an error.
6430         (TARGET_VALID_OPTION_ATTRIBUTE_P): Set target hook.
6431         (TARGET_SET_CURRENT_FUNCTION): Ditto.
6432         (TARGET_OPTION_SAVE): Ditto.
6433         (TARGET_OPTION_RESTORE): Ditto.
6434         (TARGET_OPTION_PRINT): Ditto.
6435         (TARGET_CAN_INLINE_P): Ditto.
6436
6437 2008-07-22  Rafael Avila de Espindola  <espindola@google.com>
6438
6439         * c-typeck.c (build_external_ref): Don't call assemble_external.
6440         * final.c (output_operand): Call assemble_external.
6441
6442 2008-07-21  DJ Delorie  <dj@redhat.com>
6443
6444         * config/h8300/h8300.c (h8300_hard_regno_scratch_ok): New.
6445         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
6446
6447 2008-07-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6448
6449         * config/spu/spu.md ("div<mode>3"): Convert into expander, move
6450         original insn and splitter contents into ...
6451         ("*div<mode>3_fast"): ... this new pattern.  Enable only if
6452         flag_unsafe_math_optimizations.  Add dummy scratch register.
6453         ("*div<mode>3_adjusted"): New insn and splitter.  Enable only if
6454         !flag_unsafe_math_optimizations.  Returns number with next
6455         highest magnitude if this is still less or equal to the true
6456         quotient in magnitude.
6457
6458 2008-07-21  Rafael Avila de Espindola  <espindola@google.com>
6459
6460         * Makefile.in: Replace toplev.h with TOPLEV_H.
6461         * c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER.
6462         * c-lex.c (fe_file_change): Don't set in_system_header.
6463         * c-parser.c (c_token): Remove in_system_header.
6464         (c_lex_one_token): Don't set in_system_header.
6465         (c_parser_set_source_position_from_token): Don't set in_system_header.
6466         * diagnostic.c (diagnostic_report_diagnostic): Use location from
6467         diagnostic_info.
6468         (warning_at): New.
6469         * diagnostic.h (diagnostic_report_warnings_p): Add LOC argument.
6470         * flags.h (in_system_header): Remove.
6471         * function.c (saved_in_system_header): Remove.
6472         (push_cfun): Don't set in_system_header.
6473         (pop_cfun): Don't set in_system_header.
6474         (push_struct_function): Don't set in_system_header.
6475         * input.h (expanded_location): Add sysp.
6476         (in_system_header_at): New.
6477         (in_system_header): New.
6478         * toplev.c (in_system_header): Remove.
6479         * toplev.h: Include input.h
6480         (warning_at): New.
6481         * tree-cfg.c (execute_warn_function_return): Call warning_at.
6482         * tree-ssa.c (warn_uninit): Call warning_at.
6483         (warn_uninitialized_var): Update calls to warn_uninit.
6484         (warn_uninitialized_phi): Update calls to warn_uninit.
6485         * tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER.
6486         (expand_location): Initialize xloc.sysp.
6487         * tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at.
6488         (tree_decl_with_vis): Remove in_system_header_flag.
6489
6490 2008-07-21  Andreas Krebbel  <krebbel1@de.ibm.com>
6491
6492         PR target/36822
6493         * recog.c (asm_operand_ok): Change the order of the extra
6494         memory constraint checks.
6495
6496 2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6497
6498         PR tree-opt/36879
6499         * tree-switch-conversion.c (build_one_array): Call
6500         varpool_mark_needed_node and varpool_finalize_decl
6501         instead of assemble_variable.
6502
6503 2008-07-19  Jan Hubicka  <jh@suse.cz>
6504
6505         * cgraph.c (cgraph_add_new_function): Do early local passes.
6506         * tree-nrv.c (gate_pass_return_slot): New gate.
6507         (pass_nrv): Add the gate.
6508         * tree-ssa-coalese.c (hash_ssa_name_by_var, eq_ssa_name_by_var): New
6509         functions.
6510         (coalesce_ssa_name): Coalesce SSA names.
6511         * tree-ssa-live.c (remove_unused_locals): Be more conservative when
6512         not optimizing so unused user vars remains visible.
6513         * common.opt (flag_tree_ter): Always enable by default.
6514         * tree-ssa-ter.c: Include flags.h
6515         (is_replaceable_p): Check that locations match; when aliasing is missing
6516         be conservative about loads.
6517         * tree-optimize.c (gate_init_datastructures): Remove.
6518         (pass_init_datastructures): New.
6519         * passes.c: Reorder passes so we always go into SSA.
6520
6521 2008-07-19  Jan Hubicka  <jh@suse.cz>
6522
6523         * doc/extend.texi (flatten attribute): Remove note about unit-at-a-time
6524         * doc/invoke.texi (--combine): Likewise.
6525         (-finline-functions-called-once): Update levels when enabled.
6526         (-funit-at-a-time): Document new behaviour.
6527         (-ftoplevel-reorder): Document that it is enabled -O0 and imply
6528         -fno-section-anchors when disabled explicitly.
6529         (inline params): They are not ignored now.
6530         (precompiled headers): Remove unit-at-a-time as being incompatible.
6531         * opts.c (decode_options): Handle unit-at-a-time as alias;
6532         imply -fno-section-anchors when toplevel reorder is disabled
6533         explicitly.
6534         * common.opt (ftoplevel-reorder): Set default value to 2.
6535         (funit-at-a-time): Set default value to 1.
6536         * config/rs6000/rs6000.c (optimization_options): Set section anchors
6537         to 2.
6538
6539 2008-07-19  Jan Hubicka  <jh@suse.cz>
6540
6541         * builtins.c (expand_builtin_int_roundingfn,
6542         expand_builtin_int_roundingfn_2): Do not take subtarget argument;
6543         it is not useful.
6544
6545 2008-07-19  Richard Guenther  <rguenther@suse.de>
6546
6547         PR bootstrap/36864
6548         * tree-ssa-sccvn.h (get_constant_value_id): Declare.
6549         * tree-ssa-sccvn.c (get_constant_value_id): New function.
6550         * tree-ssa-pre.c (get_expr_value_id): For newly created
6551         constant value-ids make sure to add the expression to its
6552         expression-set.
6553
6554 2008-07-19  Jakub Jelinek  <jakub@redhat.com>
6555
6556         PR middle-end/36877
6557         * omp-low.c (expand_omp_atomic_fetch_op): Make sure the
6558         return value of the builtin is ignored.
6559
6560 2008-07-19  Olivier Hainque  <hainque@adacore.com>
6561
6562         * doc/tm.texi (MALLOC_ABI_ALIGNMENT): New macro. Alignment, in
6563         bits, a C conformant malloc implementation has to provide.
6564         * defaults.h (MALLOC_ABI_ALIGNMENT): Default to BITS_PER_WORD.
6565
6566 2008-07-19  Joseph Myers  <joseph@codesourcery.com>
6567
6568         PR target/36780
6569         PR target/36827
6570         * reload.c (find_reloads_subreg_address): Only reload address if
6571         reloaded == 0, not for reloaded != 1.
6572
6573         Revert:
6574         2008-07-16  Joseph Myers  <joseph@codesourcery.com>
6575         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
6576         (m32c_legitimate_address_p): Handle "++rii" addresses created by
6577         m32c_legitimize_reload_address.
6578
6579         2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
6580         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
6581         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
6582
6583 2008-07-19  Olivier Hainque  <hainque@adacore.com>
6584
6585         * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P
6586         argument, saying whether nested array are to be collapsed
6587         into a single array type DIE with multiple subscripts.
6588         (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO
6589         issues, centralize the nested array types collapsing control and
6590         disable the transformation for Ada.
6591
6592 2008-07-18  Uros Bizjak  <ubizjak@gmail.com>
6593
6594         PR target/36786
6595         * config/i386/i386.md (x86_64_shift_adj_1): Rename from
6596         x86_64_shift_adj.
6597         (x86_64_shift_adj_2): New expander.
6598         (x86_64_shift_adj_3): Ditto.
6599         * config/i386/i386.c (ix86_split_ashr): Use gen_x86_64_shift_adj_3
6600         to split TImode operands.
6601         (ix86_split_ashl): Use gen_x86_64_shift_adj_2 to split TImode operands.
6602         (ix86_split_lshr): Ditto.
6603
6604 2008-07-18  Kris Van Hees  <kris.van.hees@oracle.com>
6605
6606         * c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__
6607         and __CHAR32_TYPE__.
6608         * c-typeck.c (digest_init): Support char16_t and char32_t.
6609         (set_nonincremental_init_from_string): Idem.
6610
6611 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
6612
6613         PR middle-end/36859
6614         * builtins.c (std_gimplify_va_arg_expr): Limit alignment to
6615         PREFERRED_STACK_BOUNDARY.
6616         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
6617
6618 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
6619
6620         PR middle-end/36858
6621         * function.c (locate_and_pad_parm): Cap boundary earlier.
6622
6623 2008-07-17  Julian Brown  <julian@codesourcery.com>
6624
6625         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Make
6626         no-op for targets which don't use DLLs.
6627
6628 2008-07-17  Martin Jambor  <mjambor@suse.cz>
6629
6630         * ipa-cp.c (ipcp_print_all_lattices): New variable info, check
6631         that nodes are relevant by examining the node->analyzed flag.
6632         (ipcp_init_stage): Check which nodes are relevant, assert that the
6633         relevant ones are also required.
6634         (ipcp_propagate_stage): Check on the side arrays are properly
6635         allocated.
6636         (ipcp_print_all_jump_functions): Make sure not to touch any node
6637         that is not analyzed or an edge that does not have a corresponding
6638         entry in the on-the-side vectors.
6639         (ipcp_function_scale_print): Likewise.
6640         (ipcp_update_callgraph): Check that the node is relevant.
6641         (ipcp_insert_stage): Check that the node is relevant.  Check there is
6642         an info for every node and edge.
6643         * ipa-prop.c (ipa_init_func_list): Check the nodes are relevant.
6644         (ipa_print_all_tree_maps): Likewise and a new variable info.
6645         (ipa_print_all_params_modified): Likewise.
6646         * ipa-prop.h (ipa_edge_args_info_available_for_edge_p): New function.
6647
6648 2008-07-17  Roman Zippel <zippel@linux-m68k.org>
6649
6650         PR target/25343
6651         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.
6652
6653 2008-07-17  Paolo Bonzini  <bonzini@gnu.org>
6654
6655         PR rtl-optimization/36753
6656         * fwprop.c (use_killed_between): Don't shortcut
6657         single-definition global registers.
6658
6659 2008-07-16  Jan Hubicka  <jh@suse.cz>
6660
6661         * cgraph.h (varpool_empty_needed_queue): Declare.
6662         * cgraphunit.c (output_in_order): Mark all variables as needed;
6663         empty the queue.
6664         * varpool.c (varpool_assemble_node): Update debug queue.
6665         (varpool_assemble_pending_decls): Don't do it here.
6666         (varpool_empty_needed_queue):  New function.
6667
6668 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6669
6670         * recog.c (peephole2_optimize): Fix formatting.
6671
6672 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6673
6674         * c-pch.c (get_ident): Avoid C++ keywords.
6675         * combine-stack-adj.c (single_set_for_csa): Likewise.
6676         * final.c (asm_insn_count, final_scan_insn, alter_subreg,
6677         output_asm_insn): Likewise.
6678         * reload.c (push_secondary_reload, find_reusable_reload,
6679         push_reload, combine_reloads, find_reloads,
6680         debug_reload_to_stream): Likewise.
6681         * reload.h (struct reload): Likewise.
6682         * reload1.c (reload_reg_class_lower, find_reg, find_reload_regs,
6683         allocate_reload_reg, choose_reload_regs, emit_input_reload_insns,
6684         emit_output_reload_insns): Likewise.
6685         * targhooks.c (default_secondary_reload): Likewise.
6686         * varasm.c (section_entry_eq, object_block_entry_eq): Likewise.
6687
6688 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6689
6690         * recog.c (validate_change_1, validate_change,
6691         validate_unshare_change, validate_replace_rtx_1, struct
6692         funny_match, constrain_operands, peephole2_optimize): Avoid C++
6693         keywords.
6694         * reload.c (push_secondary_reload, secondary_reload_class,
6695         scratch_reload_class, find_valid_class, find_reusable_reload,
6696         push_reload, find_dummy_reload, find_reloads_address_1,
6697         find_reloads_address_part, find_equiv_reg): Likewise.
6698         * reload1.c (spill_failure, eliminate_regs_1, allocate_reload_reg,
6699         choose_reload_regs): Likewise.
6700         * rtlanal.c (replace_rtx, nonzero_bits1, num_sign_bit_copies1):
6701         Likewise.
6702         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
6703         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
6704         * sched-rgn.c (concat_INSN_LIST): Likewise.
6705         * stor-layout.c (mode_for_size, mode_for_size_tree,
6706         smallest_mode_for_size): Likewise.
6707
6708 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6709
6710         * cfg.c (dump_reg_info): Avoid C++ keywords.
6711         * dwarf2asm.c (dw2_force_const_mem,
6712         dw2_asm_output_encoded_addr_rtx): Likewise.
6713         * except.c (gen_eh_region, add_action_record, output_ttype): Likewise.
6714         * expmed.c (expand_shift): Likewise.
6715         * global.c (find_reg): Likewise.
6716         * graph.c (draw_edge): Likewise.
6717         * local-alloc.c (reg_meets_class_p, find_free_reg): Likewise.
6718         * optabs.c (expand_binop, expand_twoval_unop, expand_twoval_binop,
6719         widen_clz, widen_bswap, expand_parity, expand_unop,
6720         emit_cmp_and_jump_insn_1): Likewise.
6721         * postreload.c (reload_cse_simplify_operands): Likewise.
6722         * ra.h (add_neighbor): Likewise.
6723         * reg-stack.c (remove_regno_note, change_stack): Likewise.
6724         * regclass.c (memory_move_secondary_cost, dump_regclass, regclass,
6725         record_reg_classes, copy_cost, record_address_regs,
6726         invalid_mode_change_p): Likewise.
6727         * regrename.c (regrename_optimize, scan_rtx_reg,
6728         dump_def_use_chain, find_oldest_value_reg,
6729         replace_oldest_value_reg, copyprop_hardreg_forward_1): Likewise.
6730
6731 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
6732
6733         * config/rs6000/rs6000.c (processor_target_table): Remove duplicate
6734         MASK_POWERPC64 for power4 in previous commit.
6735
6736 2008-07-16  Olivier Hainque  <hainque@adacore.com>
6737
6738         * collect2.c (scan_prog_file, COFF version): Use CONST_CAST
6739         instead of bare conversion to cast const-ness away.
6740
6741 2008-07-16  Anatoly Sokolov  <aesok@post.ru>
6742
6743         * config/xtensa/xtensa.h (FUNCTION_OUTGOING_VALUE,
6744         XTENSA_FUNCTION_VALUE, XTENSA_FUNCTION_VALUE): Remove.
6745         * config/xtensa/xtensa.c (xtensa_function_value): New function.
6746         (TARGET_FUNCTION_VALUE): Define.
6747
6748 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
6749
6750         * config/rs6000/rs6000.c (processor_target_table): Add
6751         MASK_PPC_GPOPT for power4, power5, power5+, power6, and power6x.
6752
6753 2008-07-16  Joseph Myers  <joseph@codesourcery.com>
6754
6755         PR target/36827
6756         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
6757         (m32c_legitimate_address_p): Handle "++rii" addresses created by
6758         m32c_legitimize_reload_address.
6759
6760 2007-07-16  Rafael Avila de Espindola  <espindola@google.com>
6761
6762         * c-decl.c (merge_decls): Keep DECL_SOURCE_LOCATION and
6763         DECL_IN_SYSTEM_HEADER in sync.
6764
6765 2008-07-15  Daniel Berlin  <dberlin@dberlin.org>
6766
6767         * tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
6768         * tree-ssa-pre.c (pre_expr_eq): Ditto
6769         (get_constant_for_value_id): Take a type as an argument.
6770         (fully_constant_expression): Pass in type.
6771         (find_or_generate_expression): Short circuit constant case.
6772         (create_expression_by_pieces): Remove special casing of
6773         pointer_plus.
6774         (do_regular_insertion): Short circuit constant case.
6775         (do_partial_partial_insertion): Ditto.
6776
6777 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
6778
6779         PR target/36782
6780         * config/sh/sh.md (symGOT_load): Don't add REG_EQUAL note.
6781
6782 2008-07-15  Bob Wilson  <bob.wilson@acm.org>
6783
6784         * config/xtensa/libgcc-xtensa.ver: New file.
6785         * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver.
6786
6787 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6788
6789         * df-problems.c (df_set_note): Avoid C++ keywords.
6790         * df-scan.c (df_ref_change_reg_with_loc_1): Likewise.
6791         * dse.c (record_store, remove_useless_values): Likewise.
6792         * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset,
6793         gen_reg_rtx_offset, operand_subword, change_address_1,
6794         change_address, adjust_address_1, offset_address,
6795         widen_memory_access, emit_copy_of_insn_after): Likewise.
6796         * explow.c (round_push, allocate_dynamic_stack_space): Likewise.
6797         * fwprop.c (should_replace_address, propagate_rtx_1,
6798         propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify):
6799         Likewise.
6800         * gcse.c (cprop_jump, find_implicit_sets, bypass_block,
6801         gcse_emit_move_after, update_ld_motion_stores): Likewise.
6802         * lcm.c (compute_insert_delete, pre_edge_lcm,
6803         compute_rev_insert_delete, pre_edge_rev_lcm): Likewise.
6804         * lower-subreg.c (resolve_reg_notes): Likewise.
6805         * mode-switching.c (optimize_mode_switching): Likewise.
6806
6807 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6808
6809         * bt-load.c (add_btr_def, migrate_btr_def,
6810         branch_target_load_optimize): Avoid C++ keywords.
6811         * caller-save.c (insert_restore, insert_save, insert_one_insn):
6812         Likewise.
6813         * combine.c (subst, simplify_set, make_extraction,
6814         make_compound_operation, known_cond, simplify_shift_const_1): Likewise.
6815         * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg,
6816         fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise.
6817
6818 2008-07-15  Richard Guenther  <rguenther@suse.de>
6819
6820         PR middle-end/36369
6821         * c-common.c (strict_aliasing_warning): Do not warn for
6822         TYPE_REF_CAN_ALIAS_ALL pointers.
6823         (c_common_get_alias_set): may_alias types are not special.
6824         * tree.c (build_pointer_type_for_mode): Look up the may_alias
6825         attribute and set can_ref_all accordingly.
6826         (build_reference_type_for_mode): Likewise.
6827         * doc/extend.texi (may_alias): Clarify.
6828
6829 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
6830
6831         PR target/36780
6832         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
6833         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
6834
6835 2008-07-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6836
6837         PR target/31568
6838         * config/rs6000/rs6000.c (print_operand <case 'y'>): Don't use
6839         gcc_assert, instead call output_operand_lossage.
6840
6841 2008-07-15  Kai Tietz  <kai.tietz@onevision.com>
6842
6843         * builtins.c (std_canonical_va_list): Treat structure based
6844         va_list types.
6845
6846 2008-07-15  Ben Elliston  <bje@au.ibm.com>
6847
6848         * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.
6849
6850 2007-07-14  Rafael Avila de Espindola  <espindola@google.com>
6851
6852         * c-decl.c (diagnose_mismatched_decls): Don't warn if TREE_NO_WARNING
6853         is set.
6854
6855 2008-07-14  Jan Hubicka  <jh@suse.cz>
6856
6857         * i386.md (sse5 cmov pattern): Update call of ix86_sse5_valid_op_p
6858         * sse.md (sse5 patterns): Update call of ix86_sse5_valid_op_p;
6859         fix predicates and constraints.
6860         * i386.c (ix86_sse5_valid_op_p): Add commutative parameter.
6861         * i386-protos.h (ix86_sse5_valid_op_p): Update declaration.
6862
6863 2008-07-14  Doug Kwan  <dougkwan@google.com>
6864
6865         * config.gcc (arm*-*-eabi*): Include arm/eabi.h and use
6866         additional option file arm/eabi.opt.
6867         * config/arm/eabi.h (File): New configuration file for EABI targets.
6868         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Add
6869         SUBSUBTARGET_EXTRA_SPECS.
6870         (SUBSUBTARGET_EXTRA_SPECS): Provide empty default.
6871         * config/arm/unknown-elf.h (UNKNOWN_ELF_STARTFILE_SPEC): Renamed
6872         from STARTFILE_SPEC so that it can be referenced in an override.
6873         (STARTFILE_SPEC): Use UNKNOWN_ELF_STARTFILE_SPEC.
6874         (UNKNOWN_ELF_ENDFILE_SPEC): Renamed from ENDFILE_SPEC so that it
6875         can be referenced in an override.
6876         (ENDFILE_SPEC): Use UNKNOWN_ELF_ENDFILE_SPEC.
6877         * config/arm/bpabi.h (BPABI_LINK_SPEC): Renamed from LINK_SPEC
6878         so that it can be referenced in an override.
6879         (LINK_SPEC): Use BPABI_LINK_SPEC.
6880         * config/arm/eabi.opt (File): New.
6881
6882 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6883
6884         * Makefile.in (TARGET_DEF_H): Add targhooks.h.
6885         (FIXED_VALUE_H): New variable.
6886         (RTL_BASE_H): Use $(INPUT_H) and $(FIXED_VALUE_H) instead of
6887         input.h, fixed-value.h.
6888         (TREE_H): Use $(INPUT_H), add $(SYMTAB_H).
6889         (BASIC_BLOCK_H): Use $(BITMAP_H).
6890         (FUNCTION_H): Add varray.h.
6891         (IPA_REFERENCE_H): Use $(BITMAP_H).
6892         (CGRAPH_H): Add $(BASIC_BLOCK_H).
6893         (DF_H): Use $(BITMAP_H).
6894         (GGC_H): Add statistics.h.
6895         (INSN_ADDR_H): New.
6896         (INSN_ATTR_H): Use it.
6897         (SYSTEM_H): Add safe-ctype.h, filenames.h.
6898         (INPUT_H): New.
6899         (SYMTAB_H): Add $(OBSTACK_H).
6900         (CPP_INTERNAL_H): New.
6901         (TREE_DUMP_H): Add tree-pass.h.
6902         (TREE_FLOW_H): Use $(BITMAP_H)
6903         (PRETTY_PRINT_H): Use $(INPUT_H).
6904         (EBITMAP_H): Rename from typo-ed EBIMAP_H.
6905         (GSTAB_H): New.
6906         (BITMAP_H): New.
6907         (many object files): Fix lots of header dependencies throughout.
6908
6909 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6910
6911         * Makefile.in (write_entries_to_file, write_entries_to_file_split):
6912         New macros.
6913         (s-gtyp-input): Use them to write tmp-gi.list.
6914         (echo_to_gi.list): Remove.
6915
6916 2008-07-14  Richard Guenther  <rguenther@suse.de>
6917
6918         * tree-ssa-sccvn.c (pre_info): Remove.
6919         (switch_to_PRE_table): Likewise.
6920         (free_scc_vn): Do not clear SSA_NAME_VALUE.  Do not free pre_info.
6921         (set_hashtable_value_ids): Do not create value-ids for the
6922         optimistic tables.
6923         (run_scc_vn): Remove double test.  Remove bogus special-case
6924         in value-number printing.
6925         * tree-ssa-sccvn.h (switch_to_PRE_table): Remove.
6926         * tree-ssa-ccp.c (get_symbol_constant_value): Do not look at
6927         SSA_NAME_VALUE.
6928         * tree-flow-inline.h (get_value_handle): Remove.
6929         * tree-flow.h (get_value_handle): Remove.
6930
6931 2008-07-14  Martin Jambor  <mjambor@suse.cz>
6932
6933         * tree-switch-conversion.c (gen_inbound_check): Make sure the type
6934         in which we generate arithmetics is not a subrange.
6935
6936 2008-07-14  Martin Jambor  <mjambor@suse.cz>
6937
6938         * Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable.
6939
6940 2008-07-14  Richard Guenther  <rguenther@suse.de>
6941
6942         * tree-ssa-pre.c (insert_into_preds_of_block): Do not call convert.
6943
6944 2008-07-14  Andreas Krebbel  <krebbel1@de.ibm.com>
6945
6946         PR target/36745
6947         * config/s390/s390.c: (s390_secondary_reload): Add a secondary
6948         reload for symbol refs moved to r0 with -fPIC.
6949         (legitimize_pic_address): Use the target register as temporary
6950         reg if possible.
6951         (emit_symbolic_move): Adjust comment.
6952         * config/s390/s390.md (reloadsi_PIC_addr, reloaddi_PIC_addr):
6953         New expanders.
6954
6955 2008-07-14  Ben Elliston  <bje@au.ibm.com>
6956
6957         * c-common.h (C_CPP_HASHNODE): New macro.
6958         * coretypes.h (struct cpp_token): Forward declare.
6959         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
6960         the context-sensitive keyword method.
6961         * config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
6962         __pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
6963         expand_bool_pixel): New.
6964         (altivec_categorize_keyword): New function.
6965         (init_vector_keywords): New function.
6966         (rs6000_macro_to_expand): Likewise.
6967         (rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
6968         compiling an ISO C dialect.
6969
6970 2008-07-13  Daniel Berlin  <dberlin@dberlin.org>
6971
6972         * tree-ssa-pre.c (fully_constant_expression): Add fold_convert calls.
6973         (create_expression_by_pieces): Fix typo.
6974         (do_regular_insertion): Use debug counter here too.
6975
6976 2008-07-14  Hans-Peter Nilsson  <hp@axis.com>
6977
6978         PR target/35492.
6979         * config/cris/cris.h (CRIS_CONST_OK_FOR_LETTER_P): Renamed from
6980         CONST_OK_FOR_LETTER_P.  All port-local users changed.
6981         (CONST_OK_FOR_CONSTRAINT_P): Define; implement Kc as old K,
6982         implement Kp matching power-of-two.
6983         (CONSTRAINT_LEN): Define to match.
6984         * config/cris/cris.md: Replace all use of constraint K with Kc.
6985         ("*btst*): Use Kp for operand 0 of last alternative.
6986
6987 2008-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6988
6989         PR testsuite/36440
6990         * tree-call-cdce.c (check_target_format): Accept MIPS single, double
6991         and quad formats.
6992
6993 2008-07-13  Jan Hubicka  <jh@suse.cz>
6994
6995         * tree.c (decl_assembler_name_equal): Expect assembler name of decl
6996         to be mangled too.
6997
6998 2008-07-13  Richard Guenther  <rguenther@suse.de>
6999
7000         PR middle-end/36811
7001         * langhooks.c (lhd_print_error_function): Deal with recursive
7002         BLOCK trees.
7003
7004 2008-07-12  Jan Hubicka  <jh@suse.cz>
7005
7006         * cgraph.c (assembler_name_hash): New static var.
7007         (hash_node_by_assembler_name, eq_assembler_name): New.
7008         (cgraph_node_for_asm): Use hashtable.
7009         (cgraph_remove_node): Maintain hashtable.
7010         (change_decl_assembler_name): Sanity check that names are not changing
7011         after aliasing was processed.
7012         * cgraph.h (varpoon_node): Add next GGC marker.
7013         * tree.c (decl_assembler_name_equal): Constify.
7014         (decl_assembler_name_hash): New.
7015         * tree.h (decl_assembler_name_equal): Constify.
7016         (decl_assembler_name_hash): Update.
7017
7018 2008-07-12  David Daney  <ddaney@avtrex.com>
7019
7020         * config/mips/driver-native.c (host_detect_local_cpu): Handle
7021         sb1 and r5000 cpus.
7022
7023 2008-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
7024
7025         * doc/md.texi: Document the MIPS "v" constraint.
7026         * config/mips/mips.h (reg_class): Revert last change.
7027         (REG_CLASS_NAMES): Likewise.
7028         (REG_CLASS_CONTENTS): Likewise.
7029         * config/mips/mips.c (mips_regno_to_class): Likewise.
7030         * config/mips/constraints.md (v): Likewise, but add documentation.
7031         Add a comment to say that this constraint should not be used in
7032         gcc code.
7033
7034 2008-07-11  DJ Delorie  <dj@redhat.com>
7035
7036         * config/h8300/h8300.md (length): Fix branch offset limit.
7037
7038 2008-07-11  Anatoly Sokolov  <aesok@post.ru>
7039
7040         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype.
7041         * config/avr/avr.c (avr_peep2_scratch_safe): Remove.
7042         (avr_hard_regno_scratch_ok): New function.
7043         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
7044         * config/avr/avr.md (all peepholes that request a scratch register):
7045         Remove avr_peep2_scratch_safe use.
7046
7047 2008-07-11  Tom Tromey  <tromey@redhat.com>
7048             Ian Lance Taylor  <iant@google.com>
7049
7050         * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
7051         (struct c_common_resword): Define.
7052         (D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
7053         (D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
7054         (c_common_reswords, num_c_common_reswords): Declare.
7055         * c-common.c (c_common_reswords): New global const array.
7056         (num_c_common_reswords): New const int.
7057         * c-parser.c (struct resword, reswords): Don't define.
7058         (D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
7059         (c_parse_init): Clarify mask code.  Use c_common_reswords rather
7060         than reswords.  If warning about C++ keywords, give them a special
7061         RID code.
7062         (c_lex_one_token): Warn about C++ keywords.  Call
7063         objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
7064         (c_parser_external_declaration): Look for RID_xxx rather than
7065         RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
7066         (c_parser_statement_after_labels): Likewise.
7067         (c_parser_objc_class_instance_variables): Likewise.
7068         (c_parser_objc_class_declaration): Likewise.
7069         (c_parser_objc_try_catch_statement): Likewise.
7070         * c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
7071         (declspecs_add_type): Likewise.
7072
7073 2008-07-11  Angelo Graziosi  <angelo.graziosi@alice.it>
7074
7075         * ggc-page.c (alloc_page):
7076         Substituting xmalloc, xcalloc with
7077         XNEWVEC and XCNEWVAR macros which add the
7078         needed casts.
7079
7080 2008-07-11  Richard Guenther  <rguenther@suse.de>
7081
7082         PR tree-optimization/36765
7083         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7084         aliases from HEAP vars to SMTs.
7085
7086 2008-07-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7087
7088         * Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments.
7089         * configure.ac (loose_warn): Move -Wc++-compat from here...
7090         (strict_warn): ...to here.
7091         * configure: Regenerate.
7092
7093 2008-07-10  Joseph Myers  <joseph@codesourcery.com>
7094
7095         * config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*,
7096         i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*,
7097         m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd,
7098         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets,
7099         excluding more specific h8300-*-* and sh-*-* targets.
7100
7101 2008-07-10  Daniel Berlin  <dberlin@dberlin.org>
7102
7103         * tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls.
7104         (eliminate): Ditto.
7105         (execute_pre): Call loop_optimizer_finalize in early exit.
7106
7107 2008-07-10  Jakub Jelinek  <jakub@redhat.com>
7108
7109         PR middle-end/36790
7110         * omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P
7111         uids in the bitmap, not just VAR_DECL uids.
7112
7113         PR rtl-optimization/36419
7114         * combine-stack-adj.c (adjust_frame_related_expr): New function.
7115         (combine_stack_adjustments_for_block): Call it if needed.  Delete
7116         correct insn.
7117         * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
7118         DW_CFA_GNU_args_size if CSA pass merged some adjustments into
7119         prologue sp adjustment.
7120
7121 2008-07-10  Peter Maydell  <pmaydell@chiark.greenend.org.uk>
7122
7123         PR other/28322
7124         * opts.c (print_ignored_options): Report postponed diagnostics for
7125         unknown -Wno-* options as warnings, not errors.
7126         (postpone_unknown_option_error): Renamed to...
7127         (postpone_unknown_option_warning): ... this.
7128
7129 2008-07-09  Doug Kwan  <dougkwan@google.com>
7130
7131         Revert:
7132         2008-07-08  Doug Kwan  <dougkwan@google.com>
7133
7134         * config/arm/arm.opt (mandroid): New option.
7135         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
7136         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
7137         (CC1_SPEC): Same.
7138         (CC1PLUS_SPEC): Same.
7139         (LIB_SPEC): Same.
7140         (STARTFILE_SPEC): Same.
7141         (ENDFILE_SPEC): Same.
7142         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
7143         used.
7144
7145 2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>
7146
7147         PR target/35802
7148         * config/mips/mips.h (reg_class): Remove V1_REG.
7149         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
7150         * config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS
7151         instead of V1_REGS.
7152         (mips_get_tp): New function.
7153         (mips_legitimize_tls_address): Use it.
7154         * config/mips/constraints.md (v): Delete.
7155         * config/mips/mips.md (TLS_GET_TP_REGNUM): New constant.
7156         (tls_get_tp_<mode>): Allow any GPR destination and clobber $3.
7157         After reload, split into a move and ...
7158         (*tls_get_tp_<mode>_split): ...this new instruction.
7159
7160 2008-07-09  David Daney  <ddaney@avtrex.com>
7161
7162         * config/mips/driver-native.c: Include coretypes.h and tm.h.
7163
7164 2008-07-09  Jakub Jelinek  <jakub@redhat.com>
7165
7166         * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
7167         (push_gimplify_context): Don't allocate temp_htab nor c itself here.
7168         Add c argument.
7169         (pop_gimplify_context): Check c->temp_htab instead of optimize whether
7170         htab_delete should be called.  Don't free c.
7171         (lookup_tmp_var): Create temp_htab lazily.
7172         (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
7173         gimplify_body, force_gimple_operand): Adjust push_gimplify_context
7174         callers.
7175         * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
7176         lower_omp_ordered, lower_omp_critical, lower_omp_for,
7177         create_task_copyfn, lower_omp_taskreg, execute_lower_omp):
7178         * tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise.
7179         * tree-sra.c (generate_element_init): Likewise.
7180         * tree-mudflap.c (execute_mudflap_function_ops,
7181         execute_mudflap_function_decls): Likewise.
7182         * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
7183         * tree-gimple.h (struct gimplify_ctx): New type.
7184         (push_gimplify_context): Adjust prototype.
7185
7186 2008-07-09  Daniel Berlin  <dberlin@dberlin.org>
7187
7188         * tree-ssa-pre.c (phi_translate_1): Update placement of
7189         add_to_value calls.
7190
7191 2008-07-09  Anatoly Sokolov  <aesok@post.ru>
7192
7193         * target.h (struct gcc_target): Add hard_regno_scratch_ok field.
7194         * target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
7195         (TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
7196         * targhooks.c (default_hard_regno_scratch_ok): New function.
7197         * targhooks.h (default_hard_regno_scratch_ok): Declare function.
7198         * doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
7199         * recog.c:  Include "target.h".
7200         (peep2_find_free_register): Add check for global regs. Add target
7201         specific check.
7202         * Makefile.in (recog.o): Depend on target.h.
7203
7204 2008-07-09  Kaz Kojima  <kkojima@gcc.gnu.org>
7205
7206         * config/sh/sh.c (sh_canonical_va_list_type): New.
7207         (TARGET_CANONICAL_VA_LIST_TYPE): Define.
7208
7209 2008-07-09  Raksit Ashok <raksit@google.com>
7210
7211         * doc/invoke.texi (Option Summary): Mention new option
7212         -Wdisallowed-function-list=...
7213         (Warning Options): Document -Wdisallowed-function-list=...
7214         * common.opt (Wdisallowed-function-list=): New flag.
7215         * flags.h (warn_disallowed_functions): External definition of new
7216         boolean warning flag.
7217         (warn_if_disallowed_function_p): Declare new function.
7218         * opts.c (warning_disallowed_functions): New static variable.
7219         (warn_disallowed_functions): New boolean warning flag.
7220         (warn_if_disallowed_function_p): New function.
7221         (add_comma_separated_to_vector): Rename
7222         add_instrument_functions_exclude_list to this.
7223         (common_handle_option): Handle new option. Rename calls to
7224         add_instrument_functions_exclude_list into calls to
7225         add_comma_separated_to_vector.
7226         * c-parser.c (c_parser_postfix_expression_after_primary): New warning
7227         based on flag warn_disallowed_functions.
7228
7229 2008-07-09  Christian Bruel  <christian.bruel@st.com>
7230
7231         * final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn
7232          instead of get_attr_length.
7233
7234 2008-07-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7235
7236         * genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++
7237         keywords.
7238         * genemit.c (gen_insn): Likewise.
7239         * gengtype.c (note_def_vec): Likewise.
7240         * gengtype.h (note_def_vec): Likewise.
7241         * genoutput.c (struct data, output_insn_data, process_template,
7242         gen_expand, gen_split, note_constraint): Likewise.
7243         * genrecog.c (new_decision, add_to_sequence, factor_tests,
7244         make_insn_sequence): Likewise.
7245         * gensupport.c (record_insn_name): Likewise.
7246
7247 2008-07-08  Doug Kwan  <dougkwan@google.com>
7248
7249         * config/arm/arm.opt (mandroid): New option.
7250         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
7251         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
7252         (CC1_SPEC): Same.
7253         (CC1PLUS_SPEC): Same.
7254         (LIB_SPEC): Same.
7255         (STARTFILE_SPEC): Same.
7256         (ENDFILE_SPEC): Same.
7257         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
7258         used.
7259
7260 2008-07-08  Raksit Ashok  <raksit@google.com>
7261
7262         * expr.c (emit_block_move_via_movmem): Fix expected_align parameter.
7263         (set_storage_via_setmem): Fix expected_align parameter.
7264         * doc/invoke.texi (i386 and x86-64 Options): Add a couple of options
7265         missing from the list.
7266         * doc/md.texi (movmem): Explicitly state that expected alignment is
7267         to be expressed in bytes.
7268         (setmem): Explicitly state that expected alignment is to be expressed
7269         in bytes.
7270
7271 2008-07-08  Joseph Myers  <joseph@codesourcery.com>
7272
7273         * reload.c (find_reloads_subreg_address): Do not require validity
7274         of address in original mode before reloading address.
7275
7276 2008-07-07  Tianwei Sheng  <tianweis@google.com>
7277
7278         * df-core.c (df_remove_problem): Adjust the access to avoid out of
7279         bounds array access.
7280
7281 2008-07-08  Jakub Jelinek  <jakub@redhat.com>
7282
7283         * tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P dst.
7284
7285 2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
7286
7287         Fix PR tree-optimization/23455
7288         Fix PR tree-optimization/35286
7289         Fix PR tree-optimization/35287
7290         * Makefile.in (OBJS-common): Remove tree-vn.o.
7291         (tree-vn.o): Remove.
7292         * dbgcnt.def: Add treepre_insert debug counter.
7293         * gcc/tree-flow.h (add_to_value): Updated for other changes.
7294         (debug_value_expressions): Ditto.
7295         (print_value_expressions): Ditto.
7296         * tree-pretty-print.c (dump_generic_node): Updated for
7297         VALUE_HANDLE removal.
7298         * tree-ssa-dom.c (record_equality): Ditto.
7299         (cprop_operand): Ditto.
7300         (lookup_avail_expr): Ditto.
7301         * tree-ssa-threadedge.c
7302         (record_temporary_equivalences_from_stmts_at_dest): Ditto.
7303         (simplify_control_stmt_condition): Ditto.
7304         * tree.c (tree_code_size): Ditto.
7305         (tree_node_structure): Ditto.
7306         (iterative_hash_expr): Ditto.
7307         * tree.def: Ditto.
7308         * tree.h (VALUE_HANDLE_ID): Ditto.
7309         (VALUE_HANDLE_EXPR_SET): Ditto.
7310         (struct tree_value_handle): Ditto.
7311         (union tree_node): Ditto.
7312         * treestruct.def: Ditto.
7313         * tree-vn.c: Removed.
7314         * tree-ssa-pre.c: Rewritten entirely.
7315         * tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
7316         (constant_value_ids): Ditto.
7317         (vn_nary_op_t): Moved to header.
7318         (vn_phi_t): Ditto.
7319         (vn_reference_op_t): Ditto
7320         (vn_reference_t): Ditto.
7321         (next_value_id): New variable.
7322         (VN_INFO): Add an assert.
7323         (vn_constant_eq): New function.
7324         (vn_constant_hash): Ditto.
7325         (get_or_alloc_constant_value_id): Ditto.
7326         (value_id_constant_p): Ditto.
7327         (vn_reference_compute_hash): De-staticify.
7328         (copy_reference_ops_from_ref): Don't use get_callee_fndecl.
7329         Disable some code with a FIXME.  Remove VALUE_HANDLE use.
7330         (valueize_refs): Update opcode if it changes from ssa name to constant.
7331         (vn_reference_lookup_1): Add new argument.
7332         (vn_reference_lookup):  Ditto.
7333         (vn_reference_lookup_pieces): New function.
7334         (vn_reference_insert): Add return type. Modify to deal with value ids.
7335         (vn_reference_insert_pieces):  New function.
7336         (vn_nary_op_compute_hash): De-staticify.
7337         (vn_nary_op_eq): Ditto.
7338         (vn_nary_op_lookup_pieces): New function.
7339         (vn_nary_op_lookup): Add new argument.
7340         (vn_nary_op_insert_pieces): New function.
7341         (vn_nary_op_insert): Add return type. Modify to deal with value ids.
7342         (vn_phi_insert): Ditto.
7343         (visit_unary_op): Update for callee changes.
7344         (visit_binary_op): Ditto.
7345         (visit_reference_op_load): Ditto.
7346         (visit_reference_op_store): Ditto.
7347         (init_scc_vn): Init next_value_id, constant_to_value_id and
7348         constant_value_ids.
7349         (free_scc_vn): Free them.
7350         (set_hashtable_value_ids): New function.
7351         (run_scc_vn): Use it.
7352         (get_max_value_id): New function.
7353         (get_next_value_id): Ditto.
7354         (expressions_equal_p): Moved from tree-vn.c
7355         (sort_vuses): Ditto.
7356         (sort_vuses_heap): Ditto.
7357         * tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
7358         above).
7359         * tree.c (iterative_hash_hashval_t): Made non-static
7360         * tree.h (iterative_hash_hashval_t): Declare it.
7361
7362 2008-07-08  Martin Jambor  <mjambor@suse.cz>
7363
7364         * ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params
7365         instead of ipa_create_node_params.
7366         (ipcp_driver): Allocate infos with ipa_check_create_node_params and
7367         ipa_check_create_edge_args, free them with
7368         free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks.
7369
7370         * ipa-prop.c: Include flags.h and tree-inline.h.
7371         (ipa_node_params_vector): New variable.
7372         (ipa_edge_args_vector): New variable.
7373         (edge_removal_hook_holder): New variable.
7374         (node_removal_hook_holder): New variable.
7375         (edge_duplication_hook_holder): New variable.
7376         (node_duplication_hook_holder): New variable.
7377         (ipa_detect_param_modifications): Check for presence of modified flags.
7378         (ipa_compute_jump_functions): Check for presence of jump functions.
7379         (ipa_free_edge_args_substructures): New function.
7380         (ipa_create_node_params): Removed.
7381         (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
7382         (ipa_free_node_params_substructures): New function.
7383         (ipa_free_all_node_params): Changed to deallocate the on-the-side
7384         vector.
7385         (ipa_edge_removal_hook): New function.
7386         (ipa_node_removal_hook): New function.
7387         (duplicate_array): New function.
7388         (ipa_edge_duplication_hook): New function.
7389         (ipa_node_duplication_hook): New function.
7390         (ipa_register_cgraph_hooks): New function.
7391         (ipa_unregister_cgraph_hooks): New function.
7392         (free_all_ipa_structures_after_ipa_cp): New function.
7393
7394         * ipa-prop.h: Include vec.h.
7395         (ipa_node_params_t): New typedef with vector types for it.
7396         (ipa_edge_args_t):  New typedef with vector types for it.
7397         (IPA_NODE_REF): Changed to access an on-the-side vector.
7398         (IPA_EDGE_REF): Changed to access an on-the-side vector.
7399         (ipa_check_create_node_params): New function.
7400         (ipa_check_create_edge_args): New function.
7401
7402         * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
7403         all users.
7404
7405 2008-07-07  Tom Tromey  <tromey@redhat.com>
7406
7407         * configure, config.in: Rebuilt.
7408         * configure.ac: Don't check for scandir or alphasort.
7409
7410 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
7411
7412         * config/arm/arm.c (arm_init_neon_builtins): Register built-in
7413         types immediately after creating them.
7414
7415 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
7416
7417         * config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove.
7418
7419 2008-07-07  Fernando Pereira <fernando@cs.ucla.edu>
7420
7421         * tree-ssa-structalias.c (compute_points_to_sets): Add call to
7422         dump_constraint_graph.
7423         (dump_constraint_edge): New function.
7424         (dump_constraint_graph): New function.
7425         (debug_constraint_graph): New function.
7426         (dump_constraint): Removed useless comparison.
7427         * tree-ssa-structalias.h (dump_constraint_edge): Declare.
7428         (dump_constraint_graph): Declare.
7429         (debug_constraint_graph): Declare.
7430         * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH.
7431
7432 2008-07-07  Kai Tietz  <kai.tietz@onevision.com>
7433
7434         * config/i386/i386.c (is_va_list_char_pointer): New.
7435         (ix86_va_start): Replace compare with ms_va_list_type_node
7436         by is_va_list_char_pointer.
7437         (ix86_gimplify_va_arg): Likewise.
7438
7439 2008-07-07  Martin Jambor  <mjambor@suse.cz>
7440
7441         * cgraph.c (cgraph_edge_max_uid): New variable.
7442         (struct cgraph_edge_hook_list): New type.
7443         (struct cgraph_node_hook_list): New type.
7444         (struct cgraph_2edge_hook_list): New type.
7445         (struct cgraph_2node_hook_list): New type.
7446         (first_cgraph_edge_removal_hook): New variable.
7447         (first_cgraph_node_removal_hook): New variable.
7448         (first_cgraph_edge_duplicated_hook): New variable.
7449         (first_cgraph_node_duplicated_hook): New variable.
7450         (cgraph_add_edge_removal_hook): New function.
7451         (cgraph_remove_edge_removal_hook): New function.
7452         (cgraph_call_edge_removal_hooks):  New function.
7453         (cgraph_add_node_removal_hook):  New function.
7454         (cgraph_remove_node_removal_hook):  New function.
7455         (cgraph_call_node_removal_hooks):  New function.
7456         (cgraph_add_edge_duplication_hook):  New function.
7457         (cgraph_remove_edge_duplication_hook):  New function.
7458         (cgraph_call_edge_duplication_hooks):  New function.
7459         (cgraph_add_node_duplication_hook):  New function.
7460         (cgraph_remove_node_duplication_hook):  New function.
7461         (cgraph_call_node_duplication_hooks):  New function.
7462         (cgraph_create_edge): Assign to edge uid.
7463         (cgraph_remove_edge): Call edge removal hooks.
7464         (cgraph_node_remove_callees): Call edge removal hooks.
7465         (cgraph_node_remove_callers): Call edge removal hooks.
7466         (cgraph_remove_node): Call node removal hooks.
7467         (cgraph_clone_edge): Call edge duplication hooks.
7468         (cgraph_clone_node): Call node duplication hooks.
7469
7470         * cgraph.h (cgraph_edge): New field uid.
7471         (cgraph_edge_hook): New type.
7472         (cgraph_node_hook): New type.
7473         (cgraph_2edge_hook): New type.
7474         (cgraph_2node_hook): New type.
7475
7476 2008-07-07  Andreas Tobler  <a.tobler@schweiz.org>
7477
7478         * config.in: Regenerate.
7479
7480 2008-07-07  Vladimir Prus  <vladimir@codesourcery.com>
7481
7482         * gcc.c (print_sysroot): New.
7483         (option_map, display_help, process_command): Handle the
7484         -print-sysroot option.
7485         (main): Print the sysroot if requested.
7486         * doc/invoke.texi (Debugging Options): Document -print-sysroot.
7487
7488 2008-07-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7489
7490         PR target/34780
7491         * unwind-pe.h (size_of_encoded_value): add attribute unused.
7492
7493 2008-07-07  Daniel Jacobowitz  <dan@codesourcery.com>
7494
7495         * function.c (assign_parm_remove_parallels): Check mode of entry_parm.
7496         (assign_parm_setup_block_p): Also check mode of entry_parm.
7497
7498 2008-07-07  Richard Guenther  <rguenther@suse.de>
7499
7500         * tree-ssa-structalias.h (set_used_smts): Remove.
7501         * tree-ssa-structalias.c (used_smts): Likewise.
7502         (set_used_smts): Likewise.
7503         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
7504         call to set_used_smts.
7505
7506 2008-07-07  Richard Guenther  <rguenther@suse.de>
7507
7508         * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
7509         (new_var_info): Set it to false.
7510         (solution_set_add): Correctly handle pointers outside a var and
7511         inside a field.
7512         (type_safe): Treat variables with is_full_var properly.
7513         (do_sd_constraint): Likewise.
7514         (do_ds_constraint): Likewise.
7515         (process_constraint): Remove zeroing offset for !use_field_sensitive.
7516         (get_constraint_for_ptr_offset): New function.
7517         (get_constraint_for_component_ref): For addresses at least include
7518         the last field of the variable.  Handle is_full_vars properly.
7519         (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
7520         (handle_ptr_arith): Remove.
7521         (find_func_aliases): Simplify assignment handling.
7522         (create_function_info_for): For parameter and result varinfos set
7523         is_full_var flag.
7524         (create_variable_info_for): Set is_full_var flag whenever we
7525         just created a single varinfo for a decl.
7526         (init_alias_vars): Initialize use_field_sensitive from
7527         max-fields-for-field-sensitive parameter.
7528
7529 2008-07-07  Richard Guenther  <rguenther@suse.de>
7530
7531         PR tree-optimization/36713
7532         * tree-flow-inline.h (is_call_used): New function.
7533         * tree-nrv.c (dest_safe_for_nrv_p): Use it.
7534         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
7535         * tree-outof-ssa.c (create_temp): Set call-used flag if required.
7536
7537 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
7538
7539         * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.
7540
7541 2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>
7542
7543         * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.
7544
7545 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
7546             Nathan Sidwell  <nathan@codesourcery.com>
7547
7548         * config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
7549         to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
7550         tmake_file.
7551         * config/m68k/t-linux: New.
7552         * doc/install.texi: Document m68k-*-linux is now multilibbed by
7553         default.
7554
7555 2008-07-07  Nathan Sidwell  <nathan@codesourcery.com>
7556
7557         * config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
7558         * config/m68k/m68k-devices.def: Remove multilibs that only differ
7559         by MAC/EMAC.
7560
7561 2008-07-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7562
7563         * gcc.c (execute): Fix -Wc++-compat warning.
7564
7565 2008-07-06  H.J. Lu  <hongjiu.lu@intel.com>
7566
7567         PR target/36720
7568         * config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode
7569         constant for little endian.
7570
7571 2008-07-06  Richard Sandiford  <rdsandiford@googlemail.com>
7572
7573         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check
7574         mips_base_mips16 instead of TARGET_MIPS16.
7575         (mips_base_mips16): Declare.
7576         * config/mips/mips.c (mips_base_mips16): Make global.
7577         (was_mips16_p): Remove GTY marker.
7578         (was_mips16_pch_p): New variable.
7579         (mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p.
7580         (mips_override_options): Force to non-MIPS16 mode initially.
7581         Do not complain about MIPS16 PIC incompatibilities here.
7582         Only allow -mgpopt if -mexplicit-relocs is in force for
7583         non-MIPS16 code.
7584
7585 2008-07-06  Andreas Tobler  <a.tobler@schweiz.org>
7586
7587         * configure.ac: Check for caddr_t, define to char * if not defined.
7588         * configure: Regenerate.
7589         * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
7590         (mmap_gt_pch_use_address): Likewise.
7591         * config/host-solaris.c (sol_gt_pch_use_address): Likewise.
7592
7593 2008-07-06  Richard Guenther  <rguenther@suse.de>
7594
7595         * tree-ssa-structalias.c (struct variable_info): Remove has_union.
7596         (new_var_info): Deal with it.
7597         (solution_set_add): Likewise.
7598         (bitpos_of_field): Make signed, fix.
7599         (struct fieldoff): Remove type and decl fields.  Make size field
7600         unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
7601         flags.
7602         (fieldoff_compare): Deal with it.
7603         (push_fields_onto_fieldstack): Remove has_union argument, glob
7604         adjacent non-pointer fields together.
7605         (create_function_info_for): Do not set has_union.
7606         (create_variable_info_for): Simplify.
7607
7608 2008-07-06  Kai Tietz  <kai.tietz@onevision.com>
7609
7610         * config.gcc (extra_headers): Add cross-stdarg.h for target
7611         x86_64-*-* and i?86-*-*.
7612         * config/i386/cross-stdarg.h: New.
7613         * builtins.c (std_fn_abi_va_list): New.
7614         (std_canonical_va_list_type): New.
7615         (stabilize_va_list): Replace va_list_type_node use by
7616         mtarget.canonical_va_list_type.
7617         (gimplify_va_arg_expr): Likewise.
7618         (expand_builtin_va_copy): Replace va_list_type_node use by
7619         mtarget.fn_abi_va_list.
7620         * tree-sra.c (is_va_list_type): New helper.
7621         (decl_can_be_decomposed_p): Replace
7622         va_list_type_node use by is_va_list_type.
7623         * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
7624         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7625         * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
7626         * config/i386/i386-protos.h (ix86_get_valist_type): New.
7627         (ix86_enum_va_list): New.
7628         * config/i386/i386.c (sysv_va_list_type_node): New.
7629         (ms_va_list_type_node): New.
7630         (ix86_function_type_abi): Remove sorry.
7631         (ix86_build_builtin_va_list_abi): New.
7632         (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
7633         for 64-bit targets.
7634         (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
7635         (ix86_init_builtins_va_builtins_abi): New.
7636         (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
7637         for 64-bit targets.
7638         (ix86_handle_abi_attribute): New.
7639         (attribute_spec): Add sysv_abi and ms_abi.
7640         (ix86_fn_abi_va_list): New.
7641         (ix86_canonical_va_list_type): New.
7642         (ix86_enum_va_list): New.
7643         (TARGET_FN_ABI_VA_LIST): New.
7644         (TARGET_CANONICAL_VA_LIST_TYPE): New.
7645         * config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
7646         * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
7647         (TARGET_CANONICAL_VA_LIST_TYPE): New.
7648         (TARGET_ENUM_VA_LIST): New.
7649         * expr.h (std_fn_abi_va_list): New.
7650         (std_canonical_va_list_type): New.
7651         * target-def.h (TARGET_FN_ABI_VA_LIST): New.
7652         (TARGET_CANONICAL_VA_LIST_TYPE): New.
7653         (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
7654         TARGET_CANONICAL_VA_LIST_TYPE.
7655         * target.h (struct gcc_target): Add fn_abi_va_list hook
7656         and canonical_va_list_type hook.
7657
7658 2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7659
7660         * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
7661         integral and pointer types.
7662
7663 2008-07-04  Roger Sayle  <roger@eyesopen.com>
7664
7665         * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast
7666         the "void*" result of xmalloc to "char*" to fix bootstrap breakage.
7667
7668 2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
7669
7670         PR target/36684
7671         * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC.
7672
7673 2008-07-04  Jakub Jelinek  <jakub@redhat.com>
7674
7675         * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
7676         build_gimple_modify_stmt.
7677         (build_arrays, gen_inbound_check): Likewise.  Force RHS to be
7678         gimple operand.  Use fold_build* instead of build*.
7679
7680 2008-07-04  Richard Guenther  <rguenther@suse.de>
7681
7682         * tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
7683         (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
7684         properly to compute the reachability set if we do field-sensitive PTA.
7685         * invoke.texi (max-fields-for-field-sensitive): Document default.
7686         * opts.c (decode_options): Set max-fields-for-field-sensitive to
7687         100 for optimize >= 2.
7688
7689 2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7690
7691         * ggc-zone.c (lookup_page_table_if_allocated,
7692         set_page_table_entry, zone_find_object_size, alloc_small_page,
7693         alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
7694         new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
7695         -Wc++-compat and/or -Wcast-qual warnings.
7696
7697 2008-07-04  Alan Modra  <amodra@bigpond.net.au>
7698
7699         PR target/36634
7700         * config/rs6000/rs6000.md (call, call_value): Don't arrange for
7701         pic_offset_table_rtx to be marked as used here.
7702         (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
7703         TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
7704         (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
7705         (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
7706         !TARGET_SECURE_PLT.
7707
7708 2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7709
7710         * alloc-pool.c (hash_descriptor, eq_descriptor,
7711         alloc_pool_descriptor): Fix -Wc++-compat warnings.
7712         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
7713         Likewise.
7714         * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
7715         loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
7716         final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise.
7717         * varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
7718         Likewise.
7719
7720 2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>
7721
7722         * tree-flow.h (loop_only_exit_p): Declare.
7723         * tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
7724         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
7725         the number of iterations if it is constant.  Otherwise, if this is the
7726         only possible exit of the loop, use the conservative estimate on the
7727         number of iterations of the entire loop if available.
7728
7729 2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>
7730
7731         * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
7732         * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
7733         Add synchronization functions.
7734         * config/sync.c: New file.
7735         * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
7736         (LIBGCC_SYNC_CFLAGS): Likewise.
7737
7738 2008-07-03  Uros Bizjak  <ubizjak@gmail.com>
7739
7740         PR target/36710
7741         * config/i386/i386.md (mode): Add TF to "mode" attribute.
7742         (*pushtf_sse): New insn pattern.
7743         (pushtf splitters): New splitters.
7744
7745 2008-07-03  Michael Meissner  <gnu@the-meissners.org>
7746
7747         PR middle-end/35736
7748         * predict.c (build_predict_expr): Use void_type_node for the tree
7749         type, instead of NULL_TREE.
7750
7751 2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>
7752
7753         * config/i386/i386.c (contains_aligned_value_p): Return true
7754         for TCmode.
7755         (ix86_data_alignment): Align TCmode to 128bits.
7756         (ix86_local_alignment): Likewise.
7757
7758 2008-07-03  Andrew Haley  <aph@redhat.com>
7759
7760         PR bootstrap/33304
7761         * vec.h (VEC_TA): New.
7762         (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
7763         DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
7764         * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
7765         (C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
7766         (C_COMMON_FIXED_TYPES): Remove first arg.
7767         (C_COMMON_FIXED_MODE_TYPES): Likewise.
7768         * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
7769         MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
7770         not to use empty macro arguments.
7771
7772 2008-07-02  Joseph Myers  <joseph@codesourcery.com>
7773
7774         * config/alpha/vms_tramp.asm, config/arm/crti.asm,
7775         config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
7776         config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
7777         config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
7778         config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
7779         config/i386/sol2-gc1.asm, config/ia64/crti.asm,
7780         config/ia64/crtn.asm, config/m68hc11/larith.asm,
7781         config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
7782         config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
7783         config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
7784         config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
7785         config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
7786         config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
7787         config/rs6000/e500crtres64gpr.asm,
7788         config/rs6000/e500crtres64gprctr.asm,
7789         config/rs6000/e500crtrest32gpr.asm,
7790         config/rs6000/e500crtrest64gpr.asm,
7791         config/rs6000/e500crtresx32gpr.asm,
7792         config/rs6000/e500crtresx64gpr.asm,
7793         config/rs6000/e500crtsav32gpr.asm,
7794         config/rs6000/e500crtsav64gpr.asm,
7795         config/rs6000/e500crtsav64gprctr.asm,
7796         config/rs6000/e500crtsavg32gpr.asm,
7797         config/rs6000/e500crtsavg64gpr.asm,
7798         config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
7799         config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
7800         config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
7801         config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
7802         config/sparc/sol2-cn.asm: Remove .file directives.
7803
7804 2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>
7805
7806         * resource.c (mark_referenced_resources): Look inside
7807         UNSPEC_VOLATILEs and ASM_INPUTs.
7808
7809 2008-07-02  Ian Lance Taylor  <iant@google.com>
7810
7811         * rtlanal.c (add_reg_note): New function.
7812         * rtl.h (add_reg_note): Declare.
7813         * auto-inc-dec.c (attempt_change): Use add_reg_note.
7814         * bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
7815         * builtins.c (expand_builtin_longjmp): Likewise.
7816         (expand_builtin_nonlocal_goto): Likewise.
7817         * calls.c (emit_call_1, expand_call): Likewise.
7818         * cfgexpand.c (add_reg_br_prob_note): Likewise.
7819         * cfglayout.c (fixup_reorder_chain): Likewise.
7820         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
7821         (commit_one_edge_insertion): Likewise.
7822         * combine.c (move_deaths, distribute_notes): Likewise.
7823         * df-problems.c (df_set_note): Likewise.
7824         * emit-rtl.c (link_cc0_insns, try_split): Likewise.
7825         (set_unique_reg_note): Likewise.
7826         (emit_copy_of_insn_after): Likewise.
7827         * expr.c (expand_expr_real): Likewise.
7828         * gcse.c (add_label_notes): Likewise.
7829         * haifa-sched.c (create_check_block_twin): Likewise.
7830         * jump.c (mark_jump_label_1): Likewise.
7831         * loop-doloop.c (add_test, doloop_modify): Likewise.
7832         * loop-unswitch.c (compare_and_jump_seq): Likewise.
7833         * lower-subreg.c (move_eh_region_note): Likewise.
7834         * optabs.c (emit_libcall_block): Likewise.
7835         * predict.c (predict_insn): Likewise.
7836         (combine_predictions_for_insn): Likewise.
7837         * recog.c (peephole2_optimize): Likewise.
7838         * regmove.c (try_auto_increment): Likewise.
7839         * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
7840         * reload.c (find_reloads): Likewise.
7841         * reload1.c (fixup_eh_region_note): Likewise.
7842         (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
7843         * reorg.c (delete_prior_computation): Likewise.
7844         (delete_computation, dbr_schedule): Likewise.
7845         * config/pa/pa.c (legitimize_pic_address): Likewise.
7846         * config/sh/sh.c (sh_reorg): Likewise.
7847
7848 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
7849
7850         PR target/36669
7851         * config/libgcc-glibc.ver: Add %exclude.
7852         * config/m32r/libgcc-glibc.ver: Likwise.
7853         * config/s390/libgcc-glibc.ver: Likwise.
7854         * config/sh/libgcc-glibc.ver: Likwise.
7855         * config/sparc/libgcc-sparc-glibc.ver: Likwise.
7856
7857         * config/i386/libgcc-glibc.ver: New.
7858
7859         * config/i386/libgcc-x86_64-glibc.ver: Removed.
7860
7861 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
7862
7863         * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
7864         from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
7865         i[34567]86-*-linux*, x86_64-*-linux*.  Add
7866         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
7867         i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
7868         x86_64-*-linux*.  Add i386/t-linux to tmake_file for
7869         i[34567]86-*-linux*, x86_64-*-linux*.
7870
7871         * libgcc-std.ver: Add empty GCC_4.4.0.
7872
7873         * mkmap-symver.awk: Support multiple versions per symbol.
7874
7875         * config/i386/i386.c (ix86_init_builtins): Always define
7876         __builtin_fabsq and __builtin_copysignq with fallbacks.
7877         (ix86_expand_builtin): Emit normal call for __builtin_fabsq
7878         and __builtin_copysignq if SSE2 isn't available.
7879
7880         * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
7881         (LIBGCC2_TF_CEXT): Likwise.
7882         (TF_SIZE): Likwise.
7883
7884         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.
7885
7886         * config/i386/sfp-machine.h: Moved to libgcc.
7887
7888         * config/i386/sfp-machine.h: New.
7889         * config/i386/t-linux: Likwise.
7890
7891         * config/i386/t-darwin: Remove softfp_wrap_start and
7892         softfp_wrap_end.
7893         * config/i386/t-darwin64: Likewise.
7894
7895         * config/i386/t-fprules-softfp64: Renamed to ...
7896         * config/i386/t-fprules-softfp: This.
7897
7898         * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
7899         and softfp_wrap_end.
7900
7901 2008-07-02  Jason Merrill  <jason@redhat.com>
7902
7903         * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.
7904
7905         * tree.c (ctor_to_list): New fn.
7906         * tree.h: Declare it.
7907         (CONSTRUCTOR_ELT): New macro.
7908         (CONSTRUCTOR_NELTS): New macro.
7909
7910 2008-07-02  Richard Guenther  <rguenther@suse.de>
7911
7912         * tree-ssa-structalias.c (struct variable_info): Reorder
7913         to fill padding on 64bit hosts.  Make collapsed_to an int.
7914         (get_varinfo_fc): Deal with that.
7915         (new_var_info): Likewise.
7916         (collapse_rest_of_var): Likewise.
7917
7918 2008-07-02  Joshua Sumali  <jsumali@redhat.com>
7919
7920         * doc/install.texi (--enable-java-home): Document.
7921         (--enable-aot-compile-rpm): Likewise.
7922         (--with-arch-directory): Likewise.
7923         (--with-os-directory): Likewise.
7924         (--with-origin-name): Likewise.
7925         (--with-arch-suffix): Likewise.
7926         (--with-jvm-root-dir): Likewise.
7927         (--with-jvm-jar-dir): Likewise.
7928         (--with-python-dir): Likewise.
7929
7930 2008-07-02  Richard Guenther  <rguenther@suse.de>
7931
7932         * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
7933         from decls explicitly.  Merge operand checking from tuples.
7934
7935 2008-07-02  Martin Jambor  <mjambor@suse.cz>
7936
7937         * tree-switch-conversion.c: Included timevar.h which I forgot before.
7938
7939 2008-07-02  Martin Jambor  <mjambor@suse.cz>
7940
7941         * tree-switch-conversion.c: Included timevar.h
7942         (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).
7943
7944         * timevar.def: Added TV_TREE_SWITCH_CONVERSION.
7945
7946 2008-07-02  Martin Jambor  <mjambor@suse.cz>
7947
7948         * tree-switch-conversion.c: Corrected various comments and
7949         whitespace issues
7950         (build_constructors): Fixed minor formatting mistakes.
7951
7952         * invoke.texi (Optimize Options): Corrected the
7953         switch-conversion-max-branch-ratio parameter.
7954
7955 2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>
7956
7957         * final.c (asm_insn_count): Return zero for an empty asm body.
7958
7959 2008-07-02  Richard Guenther  <rguenther@suse.de>
7960
7961         * bitmap.h (bitmap_set_bit): Return bool.
7962         (bitmap_clear_bit): Likewise.
7963         * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
7964         write to the bitmap if it would.
7965         (bitmap_clear_bit): Likewise.
7966         * tree-ssa-structalias.c (add_implicit_graph_edge): Use
7967         bitmap_set_bit return value.
7968         (add_pred_graph_edge): Likewise.
7969         (add_graph_edge): Likewise.
7970         (do_sd_constraint): Likewise.
7971         (do_ds_constraint): Likewise.
7972
7973 2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7974
7975         * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
7976         Fix -Wc++-compat and/or -Wcast-qual warnings.
7977         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
7978         gen_regparm_prefix): Likewise.
7979         * vmsdbgout.c (write_modbeg, lookup_filename,
7980         vmsdbgout_source_line, vmsdbgout_init): Likewise.
7981
7982 2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>
7983
7984         * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
7985         defaults.h definition apply.
7986
7987 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
7988
7989         * function.c (assign_parm_remove_parallels): New.
7990         (assign_parm_setup_block_p): Do not return true for non-BLKmode
7991         PARALLELs.
7992         (assign_parm_setup_block): Do not handle them.
7993         (assign_parm_setup_reg, assign_parm_setup_stack): Call
7994         assign_parm_remove_parallels.
7995
7996 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
7997
7998         * c-typeck.c (convert_for_assignment): Use
7999         vector_targets_convertible_p.
8000         * c-common.c (vector_targets_convertible_p): New.
8001         * c-common.h (vector_targets_convertible_p): New prototype.
8002         * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
8003         opaque_p_V2SI_type_node.
8004
8005 2008-07-01  Steve Ellcey  <sje@cup.hp.com>
8006
8007         * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
8008         RFmode constants.
8009
8010 2008-07-01  Uros Bizjak  <ubizjak@gmail.com>
8011
8012         * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
8013         TFmode constants via two element DImode vector for hosts with
8014         HOST_BITS_PER_WIDE_INT < 64.
8015         (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
8016         also for HOST_BITS_PER_WIDE_INT < 64.
8017
8018 2008-07-01  Richard Guenther  <rguenther@suse.de>
8019
8020         PR tree-optimization/36666
8021         * tree-ssa-structalias.c (get_constraint_for_1): Declare.
8022         (get_constraint_exp_from_ssa_var): Split into ...
8023         (get_constraint_exp_for_temp): ... this ...
8024         (get_constraint_for_ssa_var): ... and that.
8025         Return constraint expressions for all touched sub-fields
8026         if the results address is not taken.
8027         (process_constraint): Remove assertion that aggregate
8028         assignments do not happen at this place.
8029         (get_constraint_for_component_ref): Add address_p argument.
8030         Return constraint expressions for all touched sub-fields
8031         if the results address is not taken.
8032         (do_deref): Use get_constraint_exp_for_temp.
8033         (get_constraint_for_1): Rename from ...
8034         (get_constraint_for): ... this.  Add the old function as wrapper.
8035         (do_structure_copy): Use get_constraint_for_1.
8036
8037 2008-07-01  Martin Jambor  <mjambor@suse.cz>
8038
8039         * Makefile.in (tree-switch-conversion.o): Add.
8040         (OBJS-common): Add tree-swtch-conversion.o.
8041         * passes.c (init_optimization_passes): Add pass_convert_switch.
8042         * tree-pass.h: (pass_convert_switch): Add.
8043         * tree-switch-conversion.c: New file.
8044         * gcc.dg/tree-ssa/cswtch.c: New testcase.
8045         * common.opt (ftree-cswtch): New option.
8046         * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
8047         * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
8048         * opts.c (decode_options): Set flag_tree_switch_conversion when
8049         optimization level is >= 2.
8050         * doc/invoke.texi (Optimize Options): Added description of
8051         -ftree-swtch-conversion and switch-conversion-max-branch-ratio.
8052
8053 2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8054
8055         * config/darwin-driver.c (darwin_default_min_version): Fix
8056         -Wc++-compat warnings.
8057
8058 2008-06-30  Uros Bizjak  <ubizjak@gmail.com>
8059
8060         * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
8061         of operand 0.
8062
8063 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
8064
8065         * ifcvt.c (cond_move_process_if_block): Free vectors on false return.
8066
8067 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
8068
8069         PR rtl-optimization/34744
8070         * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
8071         (df_scan_free_internal): Free data structures not
8072         allocated in storage pools.
8073         (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
8074         (df_refs_add_to_chains): Use df_scan_free_ref_vec and
8075         df_scan_free_mws_vec.
8076         * dse.c (dse_step6): Free offset_map_p and offset_map_n
8077         unconditionally.
8078
8079 2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>
8080
8081         * config/i386/i386.c (contains_aligned_value_p): Return true
8082         for __float128.
8083         (ix86_function_arg_boundary): Return its natural boundary
8084         for __float128.
8085         (return_in_memory_32): Don't check TDmode.
8086         (ix86_split_to_parts): Support splitting into 4 parts and
8087         support TFmode for 32bit target.
8088         (ix86_split_long_move): Support splitting into 4 parts.
8089         (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
8090         for SSE2.
8091         (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
8092         (ix86_init_builtins): Here.
8093         (ix86_scalar_mode_supported_p): Always return true for TFmode.
8094         (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
8095         'q' and 'w', respectively.
8096
8097         * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
8098         TARGET_64BIT.
8099         (movtf_internal): Likewise.
8100         (<code>tf2): Likewise.
8101         (*absnegtf2_sse): Likewise.
8102         (copysign<mode>3): Likewise.
8103         (copysign<mode>3_const): Likewise.
8104         (copysign<mode>3_var): Likewise.
8105         (define_split UNSPEC_COPYSIGN): Likewise.
8106         * config/i386/sse.md (*nandtf3): Likewise.
8107         (<code>tf3): Likewise.
8108         (*<code>tf3): Likewise.
8109
8110 2008-06-30  Joey Ye  <joey.ye@intel.com>
8111             H.J. Lu  <hongjiu.lu@intel.com>
8112
8113         * global.c (compute_regsets): Set frame_pointer_needed here.
8114         * reload1.c (init_elim_table): Don't set frame_pointer_needed here.
8115
8116 2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
8117
8118         * doc/install.texi (specific): Expand Windows build notes.
8119
8120 2008-06-30  Ira Rosen  <irar@il.ibm.com>
8121
8122         PR tree-optimization/36648
8123         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
8124         number of prolog iterations by step. Fix the comment.
8125
8126 2008-06-30  Richard Guenther  <rguenther@suse.de>
8127
8128         PR middle-end/36671
8129         * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
8130         handle calls from ECF_MALLOC functions.
8131         (handle_pure_call): ECF_MALLOC functions do not return
8132         call-used memory.
8133         (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.
8134
8135 2008-06-29  Andreas Schwab  <schwab@suse.de>
8136
8137         * config/m68k/m68k.c (print_operand): Always print a float
8138         constant in hex.
8139         * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
8140         (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
8141         Remove macros.
8142
8143         * config/rs6000/x-linux64: Remove never used file.
8144
8145 2008-06-29  Richard Guenther  <rguenther@suse.de>
8146
8147         * tree-ssa-structalias.h (compute_points_to_sets): Adjust
8148         prototype.
8149         (struct alias_info): Move ...
8150         * tree-ssa-alias.c: ... here.
8151         (update_alias_info): Declare.
8152         (compute_may_aliases): Call it.
8153         (update_alias_info): New function.
8154         * tree-ssa-structalias.c (update_alias_info): Move ...
8155         * tree-ssa-alias.c (update_alias_info_1): ... here.
8156         * tree-ssa-structalias.c (process_constraint_1): Remove
8157         unused from_call argument.  Rename to ...
8158         (process_constraint): ... this.  Delete old wrapper.
8159         (make_constraint_to): Adjust callers.
8160         (handle_const_call): Likewise.
8161         (handle_pure_call): Likewise.
8162         (init_base_vars): Likewise.
8163         (handle_lhs_call): Likewise.  Remove unnecessary constraint.
8164         (find_func_aliases): We don't need structure copies for
8165         complex types.
8166         (make_constraint_from_anything): Remove.
8167         (create_variable_info_for): For globals make constraints
8168         from escaped, not from anything.
8169         (compute_points_to_sets): Do not call update_alias_info.
8170         (ipa_pta_execute): Use make_constraint_from.
8171
8172 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8173
8174         * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
8175         (bitmap.o-warn, dominance.o-warn): New.
8176         * configure.ac (cxx_compat_warn): Delete.
8177         (loose_warn): Add -Wcast-qual and -Wc++-compat.
8178         * system.h: Remove #pragma diagnostic for -Wcast-qual and
8179         -Wc++-compat.
8180         * configure: Regenerate.
8181
8182         * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
8183         warnings.
8184
8185 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8186
8187         * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
8188         * df-scan.c (df_notes_rescan): Likewise.
8189         * ggc-page.c (set_page_table_entry): Likewise.
8190         * intl.c (gcc_gettext_width): Likewise.
8191         * varasm.c (get_unnamed_section, get_noswitch_section,
8192         get_section): Likewise.
8193
8194 2008-06-28  Andrew Jenner  <andrew@codesourcery.com>
8195
8196         * regrename.c (build_def_use): Don't copy RTX.
8197
8198 2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>
8199
8200         * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
8201         (Type Attributes): Fix nesting of @table and @subsection.  Adjust
8202         punctuation.  Use @ref instead of @xref.
8203         (Function Names): Remove stray @display/@end display.
8204         (C++ Attributes): Use @ref instead of @xref.
8205         (Deprecated Features): Fix punctuation around @xref.
8206         (Backwards Compatibility): Likewise.
8207         * doc/rtl.texi (Incdec): Remove stray @table/@end table.
8208
8209 2008-06-28  Joseph Myers  <joseph@codesourcery.com>
8210
8211         * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
8212         constants for E500 double.
8213
8214 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8215
8216         * doc/rtl.texi (const_vector): Document const_fixed as legitimate
8217         element type of const_vector.
8218
8219 2008-06-28  Uros Bizjak  <ubizjak@gmail.com>
8220
8221         * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
8222         Remove FLAGS_REG clobber from expander pattern.
8223         (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
8224         (anddi3, andsi3, andhi3, andqi3): Ditto.
8225         (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
8226         (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
8227         (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
8228         (ashlsi3, ashlhi3, ashlqi3): Ditto.
8229         (ashrsi3, ashrhi3, ashrqi3): Ditto.
8230         (lshrsi3, lshrhi3, lshrqi3): Ditto.
8231         (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
8232         (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.
8233
8234 2008-06-28  Richard Guenther  <rguenther@suse.de>
8235
8236         * tree-ssa-structalias.c (callused_id, var_callused,
8237         callused_tree): Add.
8238         (handle_pure_call): New function.
8239         (find_func_aliases): Call it.
8240         (find_what_p_points_to): Handle the call-used set.
8241         (clobber_what_escaped): Likewise.
8242         (compute_call_used_vars): New function.
8243         (init_base_vars): Init the call-used variable.
8244         (do_sd_constraint): Do not propagate the solution from CALLUSED
8245         but use CALLUSED as a placeholder.
8246         (solve_graph): Likewise.
8247         * tree-flow-inline.h (gimple_call_used_vars): New function.
8248         * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
8249         (compute_call_used_vars): Declare.
8250         * tree-ssa-alias.c (set_initial_properties): Call
8251         compute_call_used_vars.
8252         (reset_alias_info): Clear call-used variables.
8253         (add_call_clobber_ops): Assert we are not called for const/pure
8254         functions.  Remove handling of them.
8255         (add_call_read_ops): Handle pure functions by adding the
8256         call-used set of variables as VUSEs.
8257         * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
8258         (delete_tree_ssa): Free it.
8259         * tree-dfa.c (remove_referenced_var): Clear the var from the
8260         call-used bitmap.
8261
8262 2008-06-28  Kai Tietz  <kai.tietz@onevision.com>
8263
8264         * tree.c (build_varargs_function_type_list): New.
8265         (build_function_type_list_1): New.
8266         (build_function_type_list): Use build_function_type_list_1.
8267         * tree.h (build_varargs_function_type_list): New.
8268
8269 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8270
8271         PR target/34856
8272         * config/spu/spu.c (spu_builtin_splats): Do not generate
8273         invalid CONST_VECTOR expressions.
8274         (spu_expand_vector_init): Likewise.
8275
8276 2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>
8277
8278         * optabs.c (libfunc_decls): New variable.
8279         (libfunc_decl_hash, libfunc_decl_eq): New functions.
8280         (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
8281         for the same function twice.
8282
8283 2008-06-27  Uros Bizjak  <ubizjak@gmail.com>
8284
8285         * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
8286         ix86_expand_binary_operator directly.
8287         (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
8288         for operand 2.
8289         (*ashrti3_1): Ditto.
8290         (*lshrti3_1): Ditto.
8291         (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
8292         (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
8293         using only one splitter.  Conditionaly execute splitter before or
8294         after peephole2 pass.
8295         (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
8296         (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
8297         Use only one alternative in asm template.
8298         (x86_64_shld): Compress operand 2 constraints. Use only one alternative
8299         in asm template.
8300         (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
8301         "J" operand constraint for operand 2.
8302         (*ashldi3_cconly_rex64): Ditto.
8303         (*ashrdi3_cmp_rex64): Ditto.
8304         (*ashrdi3_cconly_rex64): Ditto.
8305         (*lshrdi3_cmp_rex64): Ditto.
8306         (*lshrdi3_cconly_rex64): Ditto.
8307         * config/i386/predicates.md (const_1_to_63_operand): New predicate.
8308         * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
8309         (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
8310         gen_x86_shrd_1.
8311
8312 2008-06-27  Jakub Jelinek  <jakub@redhat.com>
8313
8314         * gimplify.c (omp_is_private): Don't return true if decl is not
8315         already private on #pragma omp for or #pragma omp parallel for.
8316
8317         PR debug/36617
8318         * tree-cfg.c (struct move_stmt_d): Replace block field with
8319         orig_block and new_block fields.
8320         (move_stmt_r): Only set TREE_BLOCK to p->new_block if
8321         if it used to be NULL, p->orig_block or if p->orig_block is NULL.
8322         (move_block_to_fn): Replace vars_map and new_label_map arguments
8323         with struct move_stmt_d pointer.
8324         (replace_block_vars_by_duplicates): New function.
8325         (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
8326         move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
8327         all subblocks of ORIG_BLOCK to the new function.  Call
8328         replace_block_vars_by_duplicates.
8329         * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
8330         * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
8331         BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
8332         Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
8333         (expand_omp): Temporarily set input_location to the location of
8334         region's controlling stmt.
8335         (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
8336         BIND_EXPR, push ctx->block_vars and gimplification vars into
8337         the BIND_EXPR and its block's BLOCK_VARS instead of directly
8338         into dest function.
8339         (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
8340         there are any BLOCK_VARS.
8341         (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
8342         OMP_PARALLEL or OMP_TASK stmt.
8343         (lower_omp): Save and restore input_location around the lower_omp_1
8344         call.
8345
8346 2008-06-27  Richard Guenther  <rguenther@suse.de>
8347
8348         PR tree-optimization/36400
8349         PR tree-optimization/36373
8350         PR tree-optimization/36344
8351         * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
8352         var_nonlocal, nonlocal_tree, nonlocal_id): New globals
8353         (update_alias_info): Remove call clobbering code.
8354         (make_constraint_to): New helper function.
8355         (make_escape_constraint): Likewise.
8356         (handle_rhs_call): Use it on all pointer containing arguments.
8357         Also mark the static chain escaped.
8358         (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
8359         instead of ANYTHING.
8360         (make_constraint_from): New helper split out from ...
8361         (make_constraint_from_anything): ... here.
8362         (find_func_aliases): Add constraints for escape sites.
8363         (intra_create_variable_infos): Make constraints from NONLOCAL
8364         for parameters.
8365         (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
8366         as ANYTHING.
8367         (clobber_what_p_points_to): Remove.
8368         (clobber_what_escaped): New function.
8369         (init_base_vars): Init NONLOCAL and ESCAPED.
8370         (do_sd_constraint): Do not propagate the solution from ESCAPED
8371         but use ESCAPED as a placeholder.
8372         (solve_graph): Likewise.
8373         * tree-flow.h (clobber_what_p_points_to): Remove.
8374         (clobber_what_escaped): Declare.
8375         * tree-ssa-alias.c (set_initial_properties): Call it.
8376         Remove code clobbering escaped pointers.
8377
8378 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
8379
8380         * function.c (allocate_struct_function): Only allocate a unique
8381         funcdef_no if the decl is nonzero.
8382
8383 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
8384
8385         * config/mips/mips-protos.h (mips_split_const_insns): Declare.
8386         * config/mips/mips.c (mips_split_const_insns): New function.
8387         * config/mips/mips.md (move_type): New attribute.
8388         (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
8389         (dword_mode): New attribute.
8390         (type): Avoid long line.  Map "move_type"s to "type"s,
8391         choosing "multi" for doubleword moves if appropriate.
8392         Swap MTC/MFC comments to match their declaration order.
8393         (extended_mips16): Default to "yes" if "move_type" is "sll0",
8394         "type" is "branch" or "jal" is "direct".
8395         (length): Handle "extended_mips16" first.  Make the default
8396         "0" for "ghost" instructions.  Set the length from "move_type".
8397         (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
8398         of "type", with "sll0" for the register alternative.  Remove the
8399         "extended_mips16" attribute.
8400         (zero_extendsidi2, *clear_upper32): Use "move_type" instead
8401         of "type", with "shift_shift" for the register alternative.
8402         Remove the "length" attribute.
8403         (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
8404         (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
8405         of "type", with "andi" for the register alternative.
8406         (*zero_extendqihi2): Likewise.
8407         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
8408         of "andi" instead of a "type" of "arith".
8409         (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
8410         instead of "type".
8411         (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
8412         (mov_<store>r, *mov<mode>_ra): Likewise.
8413         (extendsidi2): Use "move_type" instead of "type", with "move"
8414         for the register alternative.
8415         (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
8416         of "type", with "signext" for the register alternative.
8417         (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
8418         (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
8419         (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
8420         (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
8421         (floatdisf2, *branch_equality<mode>_mips16): Likewise.
8422         (unnamed branch insn): Likewise.
8423         (*movdi_gp32_fp64): Fold into...
8424         (*movdi_32bit): ...here.
8425         (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
8426         (*movdf_hardfloat): ...this new pattern.
8427         (*movdf_softfloat): Remove redundant FPR alternatives.
8428         (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
8429         (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
8430         (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
8431         the "move" attribute.
8432         (*movdi_32bit): Use "move_type" instead of "type" and remove the
8433         "length" attribute.  Use "fpload" and "fpstore" instead of "load"
8434         and "store" for COP loads and stores.
8435         (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
8436         (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
8437         (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
8438         (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
8439         (*movtf_mips16, *movv2sf): Likewise.
8440         (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
8441         (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
8442         (mfhc1<mode>): Use "move_type" instead of "move".
8443         (*low<mode>_mips16): Use "extended_mips16" instead of "length".
8444         (loadgp_blockage): Remove the "length" attribute.
8445         (blockage, set_got_version, update_got_version): Likewise.
8446         (call_internal): Remove the "extended_mips16" attribute.
8447         (call_value_internal, call_value_multiple_internal): Likewise.
8448         * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
8449         instead of "move".
8450         * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
8451         the "length" attribute.
8452
8453 2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8454
8455         * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
8456         -Wcast-qual warnings.
8457         * c-pragma.c (dpm_eq, handle_pragma_push_macro,
8458         handle_pragma_pop_macro): Likewise.
8459         * collect2.c (resolve_lib_name): Likewise.
8460         * config/arc/arc.c (arc_init): Likewise.
8461         * config/arm/arm.c (neon_builtin_compare,
8462         locate_neon_builtin_icode): Likewise.
8463         * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
8464         * config/bfin/bfin.c (bfin_init_machine_status,
8465         bfin_optimize_loop): Likewise.
8466         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
8467         * config/cris/cris.c (cris_init_expanders): Likewise.
8468         * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
8469         * config/darwin.c (machopic_indirection_eq,
8470         machopic_indirection_name, machopic_output_indirection): Likewise.
8471         * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
8472         frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
8473         frv_optimize_membar): Likewise.
8474         * config/i386/cygwin.h (mingw_scan,
8475         GCC_DRIVER_HOST_INITIALIZATION): Likewise.
8476         * config/i386/cygwin1.c (mingw_scan): Likewise.
8477         * config/i386/i386.c (machopic_output_stub): Likewise.
8478         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
8479         i386_pe_unique_section): Likewise.
8480         * config/ia64/ia64.c (ia64_init_machine_status,
8481         ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
8482         Likewise.
8483         * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
8484         * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
8485         * config/m68k/m68k.c (m68k_handle_option,
8486         m68k_sched_md_init_global): Likewise.
8487         * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
8488         mcore_unique_section): Likewise.
8489         * config/mips/mips.c (mips_block_move_straight,
8490         mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
8491         Likewise.
8492         * config/mmix/mmix.c (mmix_init_machine_status,
8493         mmix_encode_section_info): Likewise.
8494         * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
8495         * config/rs6000/rs6000.c (rs6000_init_machine_status,
8496         print_operand_address, output_toc, redefine_groups,
8497         rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
8498         * config/s390/s390.c (s390_init_machine_status): Likewise.
8499         * config/score/score.c (score_block_move_straight,
8500         score_block_move_loop_body): Likewise.
8501         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
8502         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
8503         * emit-rtl.c (find_auto_inc): Likewise.
8504         * gcc.c (translate_options, process_command): Likewise.
8505         * reorg.c (dbr_schedule): Likewise.
8506         * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
8507         * xcoffout.c (xcoffout_declare_function): Likewise.
8508
8509 2008-06-27  Daniel Berlin  <dberlin@dberlin.org>
8510
8511         * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
8512         ipa-pta working again.
8513
8514 2008-06-27  David Edelsohn  <edelsohn@gnu.org>
8515
8516         * config/rs6000/t-aix52: Append large data option to LDFLAGS for
8517         genautomata.
8518
8519 2008-06-27  Edmar Wienskoski  <edmar@freescale.com>
8520
8521         * config.gcc (powerpc*-*-*): Add new core e500mc.
8522         * config/rs6000/e500mc.md: New file.
8523         * config/rs6000/rs6000.c (processor_costs): Add new costs for
8524         e500mc.
8525         (rs6000_override_options): Add e500mc case to
8526         processor_target_table. Altivec and Spe options not allowed
8527         with e500mc. Add isel instruction to e500mc by
8528         default. Initialize rs6000_cost for e500mc.
8529         (rs6000_issue_rate): Set issue rate for e500mc.
8530         * config/rs6000/rs6000.h (processor_type): Add
8531         PROCESSOR_PPCE500MC.
8532         (ASM_CPU_SPEC): Add e500mc.
8533         Set TARGET_ISEL to rs6000_isel.
8534         * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
8535         (CHECK_E500_OPTIONS): Remove TARGET_ISEL.
8536         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
8537         Include e500mc.md.
8538         * doc/invoke.texi: Add e500mc to list of cpus.
8539
8540 2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
8541
8542         PR c/34867
8543         * c-lex.c (lex_charconst): Initialize unsignedp.
8544
8545 2008-06-27  Olivier Hainque  <hainque@adacore.com>
8546
8547         * gimplify.c (gimplify_modify_expr_to_memset): Assert our
8548         documented assumptions.
8549
8550 2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>
8551
8552         * dwarf2out.c: Remove trailing white spaces.  Break long line
8553         in comments.
8554
8555 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
8556
8557         * libfuncs.h (LTI_synchronize): New libfunc_index.
8558         (synchronize_libfunc): Declare.
8559         * builtins.c (expand_builtin_synchronize): Consider using
8560         synchronize_libfunc before falling back on an asm blockage.
8561         * config/mips/mips.c: Include libfuncs.h
8562         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
8563
8564 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
8565
8566         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
8567         parameter.  Copy stack_reg to r11 where appropriate.
8568         (no_global_regs_above): Add gpr parameter.
8569         (rs6000_stack_info): Only add padding for SPE save area if we
8570         are saving SPE GPRs and CR.
8571         (saveres_routine_syms): New variable.
8572         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
8573         Define.
8574         (rs6000_savres_routine_sym): New function.
8575         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
8576         split out of...
8577         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
8578         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
8579         Tweak FPR out-of-line saving.
8580         (rs6000_make_savres_rtx): New function.
8581         (rs6000_use_multiple_p): New function.
8582         (rs6000_savres_strategy): New function.
8583         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
8584         out-of-line if appropriate.
8585         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
8586         if we are optimizing for size.
8587         (GP_SAVE_INLINE): Define.
8588         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
8589         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
8590         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
8591         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
8592         (*save_fpregs_<mode>): Add use of r11.
8593         (*restore_gpregs_<mode>): New insn.
8594         (*return_and_restore_gpregs_<mode>): New insn.
8595         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
8596         use r11.
8597         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
8598         (*restore_gpregs_spe): New insn.
8599         (*return_and_restore_gpregs_spe): New insn.
8600         * config/rs6000/predicates.md (save_world_operation): Fix check.
8601
8602 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
8603
8604         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
8605         this point, so assert that.
8606
8607 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
8608
8609         * cfganal.c: Include vec.h and vecprim.h.
8610         (compute_idf): Import from...
8611         * tree-into-ssa (compute_idf): ...here.
8612         * basic-block.h (compute_idf): Export.
8613
8614 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
8615
8616         * c-decl.c (merge_decls): Use !current_function_decl to check for
8617         extern declaration of C99 inline function being at file scope.
8618
8619 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
8620
8621         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
8622
8623 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8624
8625         * alias.c (record_alias_subset, init_alias_analysis): Fix
8626         -Wc++-compat and/or -Wcast-qual warnings.
8627         * attribs.c (lookup_attribute_spec): Likewise.
8628         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
8629         copy_bb, connect_traces,
8630         find_rarely_executed_basic_blocks_and_cr): Likewise.
8631         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
8632         note_btr_set, migrate_btr_defs): Likewise.
8633         * builtins.c (result_vector, expand_builtin_memcpy,
8634         expand_builtin_mempcpy_args, expand_builtin_strncpy,
8635         builtin_memset_read_str, expand_builtin_printf,
8636         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
8637         Likewise.
8638         * caller-save.c (mark_set_regs): Likewise.
8639         * calls.c (expand_call, emit_library_call_value_1): Likewise.
8640         * cgraph.c (cgraph_edge): Likewise.
8641         * combine.c (likely_spilled_retval_1): Likewise.
8642         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
8643         htab_counts_entry_del, get_coverage_counts): Likewise.
8644         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
8645         new_cselib_val): Likewise.
8646         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
8647         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
8648         Likewise.
8649         * df-core.c (df_compact_blocks): Likewise.
8650         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
8651         * df-scan.c (df_grow_reg_info, df_ref_create,
8652         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
8653         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
8654         df_record_entry_block_defs, df_record_exit_block_uses,
8655         df_bb_verify): Likewise.
8656         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
8657         DF_REF_EXTRACT_MODE_CONST): New.
8658         * dominance.c (get_immediate_dominator, get_dominated_by,
8659         nearest_common_dominator, root_of_dom_tree,
8660         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
8661         -Wc++-compat and/or -Wcast-qual warnings.
8662         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
8663         record_store, replace_read, check_mem_read_rtx, scan_insn,
8664         dse_step1, dse_record_singleton_alias_set): Likewise.
8665         * dwarf2asm.c (dw2_force_const_mem): Likewise.
8666
8667 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8668
8669         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
8670         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
8671         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
8672         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
8673         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
8674         add_ranges_num, add_ranges_by_labels, file_info_cmp,
8675         file_name_acquire, output_file_names, add_const_value_attribute,
8676         premark_used_types_helper, file_table_eq, file_table_hash,
8677         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
8678         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
8679         -Wcast-qual warnings.
8680         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
8681         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
8682         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
8683         gen_reg_rtx, start_sequence, init_emit): Likewise.
8684         * et-forest.c (et_new_occ, et_new_tree): Likewise.
8685         * except.c (init_eh_for_function, gen_eh_region,
8686         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
8687         arh_to_landing_pad, arh_to_label, add_action_record,
8688         add_call_site, switch_to_exception_section): Likewise.
8689         * expmed.c (synth_mult): Likewise.
8690         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
8691         store_expr): Likewise.
8692         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
8693         Likewise.
8694         * function.c (assign_stack_temp_for_type,
8695         allocate_struct_function, match_asm_constraints_1): Likewise.
8696         * gcov-io.c (gcov_allocate): Likewise.
8697         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
8698         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
8699         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
8700         record_one_set, insert_expr_in_table, insert_set_in_table,
8701         dump_hash_table, compute_hash_table_work, alloc_hash_table,
8702         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
8703         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
8704         -Wcast-qual warnings.
8705
8706 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8707
8708         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
8709         -Wcast-qual warnings.
8710         * gcc.c (process_command): Likewise.
8711         * genattrtab.c (oballoc): Use XOBNEW.
8712         (oballocvec): Define.
8713         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
8714         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
8715         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
8716         -Wc++-compat and/or -Wcast-qual warnings.
8717         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
8718         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
8719         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
8720         gen_presence_absence_set, gen_automaton, gen_regexp_el,
8721         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
8722         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
8723         add_excls, process_presence_absence_names,
8724         process_presence_absence_patterns, add_presence_absence,
8725         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
8726         get_free_state, add_arc, get_free_automata_list_el,
8727         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
8728         transform_3, cache_presence, create_ainsns, create_automata,
8729         create_state_ainsn_table, dfa_insn_code_enlarge,
8730         output_trans_func, output_min_issue_delay_func,
8731         output_dead_lock_func, output_reset_func,
8732         output_get_cpu_unit_code_func, output_dfa_start_func,
8733         expand_automata): Likewise.
8734         * genextract.c (gen_insn): Likewise.
8735         * gengtype-lex.l: Likewise.
8736         * gengtype.c (read_input_list, adjust_field_type,
8737         process_gc_options): Likewise.
8738         * genoutput.c (note_constraint): Likewise.
8739         * genpreds.c (mangle, add_constraint): Likewise.
8740         * genrecog.c (process_define_predicate, new_decision,
8741         add_to_sequence): Likewise.
8742         * gensupport.c (record_insn_name): Likewise.
8743
8744 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8745
8746         * config/i386/driver-i386.c (detect_caches_amd,
8747         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
8748         and/or -Wcast-qual warnings.
8749         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
8750         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
8751         gt_pch_save): Likewise.
8752         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
8753         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
8754         * global.c (compute_regsets): Likewise.
8755         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
8756         finish_graph_dump_file): Likewise.
8757         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
8758         unlink_bb_notes): Likewise.
8759         * integrate.c (get_hard_reg_initial_val): Likewise.
8760         * ipa-prop.c (ipa_push_func_to_list): Likewise.
8761         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
8762         * local-alloc.c (update_equiv_regs): Likewise.
8763         * loop-invariant.c (check_invariant_table_size,
8764         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
8765         Likewise.
8766         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
8767         altered_reg_used, mark_altered): Likewise.
8768         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
8769         insert_var_expansion_initialization,
8770         combine_var_copies_in_loop_exit, apply_opt_in_copies,
8771         release_var_copies): Likewise.
8772         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
8773         analyze_matrix_decl, add_allocation_site, analyze_transpose,
8774         analyze_accesses_for_phi_node, check_var_notmodified_p,
8775         check_allocation_function, find_sites_in_func,
8776         record_all_accesses_in_func, transform_access_sites,
8777         transform_allocation_sites): Likewise.
8778         * omp-low.c (new_omp_region, create_omp_child_function_name,
8779         check_omp_nesting_restrictions, check_combined_parallel,
8780         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
8781         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
8782         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
8783         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
8784         Likewise.
8785         * opts-common.c (prune_options): Likewise.
8786         * opts.c (add_input_filename, print_filtered_help,
8787         get_option_state): Likewise.
8788         * params.c (add_params): Likewise.
8789         * passes.c (set_pass_for_id, next_pass_1,
8790         do_per_function_toporder, pass_fini_dump_file): Likewise.
8791         * postreload.c (reload_cse_simplify_operands): Likewise.
8792         * predict.c (tree_predicted_by_p, tree_predict_edge,
8793         clear_bb_predictions, combine_predictions_for_bb): Likewise.
8794
8795 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8796
8797         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
8798         warnings.
8799         * recog.c (check_asm_operands, validate_change_1): Likewise.
8800         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
8801         subst_asm_stack_regs): Likewise.
8802         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
8803         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
8804         * regmove.c (reg_is_remote_constant_p): Likewise.
8805         * regrename.c (regrename_optimize, scan_rtx_reg,
8806         kill_clobbered_value, kill_set_value, kill_autoinc_value):
8807         Likewise.
8808         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
8809         regstat_compute_calls_crossed): Likewise.
8810         * reload1.c (init_reload, new_insn_chain,
8811         has_nonexceptional_receiver, reload, copy_reloads,
8812         calculate_needs_all_insns, init_elim_table): Likewise.
8813         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
8814         * rtl.c (shallow_copy_rtx_stat): Likewise.
8815         * rtlanal.c (parms_set): Likewise.
8816         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
8817         sbitmap_resize, sbitmap_vector_alloc): Likewise.
8818         * sched-ebb.c (earliest_block_with_similiar_load,
8819         add_deps_for_risky_insns): Likewise.
8820         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
8821         schedule_region): Likewise.
8822         * see.c (eq_descriptor_pre_extension,
8823         hash_descriptor_pre_extension, hash_del_pre_extension,
8824         eq_descriptor_properties, hash_descriptor_properties,
8825         hash_del_properties, see_seek_pre_extension_expr,
8826         see_initialize_data_structures, see_print_register_properties,
8827         see_print_pre_extension_expr, see_delete_merged_def_extension,
8828         see_delete_unmerged_def_extension, see_emit_use_extension,
8829         see_pre_delete_extension, see_map_extension, see_commit_changes,
8830         see_analyze_merged_def_local_prop,
8831         see_analyze_merged_def_local_prop,
8832         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
8833         see_set_prop_merged_def, see_set_prop_unmerged_def,
8834         see_set_prop_unmerged_use, see_print_one_extension,
8835         see_merge_one_use_extension, see_merge_one_def_extension,
8836         see_store_reference_and_extension, see_update_uses_relevancy,
8837         see_update_defs_relevancy): Likewise.
8838         * statistics.c (hash_statistics_hash, hash_statistics_eq,
8839         hash_statistics_free, curr_statistics_hash): Likewise.
8840         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
8841         expand_asm_operands, expand_return, case_bit_test_cmp,
8842         expand_case): Likewise.
8843         * stor-layout.c (start_record_layout): Likewise.
8844         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
8845         gt_pch_save_stringpool): Likewise.
8846         * tree-data-ref.c (hash_stmt_vertex_info,
8847         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
8848         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
8849
8850 2008-06-25  Uros Bizjak  <ubizjak@gmail.com>
8851
8852         PR target/36627
8853         * config/i386/i386.md : Change constraints of HImode and QImode
8854         immediate operands from "i" to "n".  Change SImode "ni" constraint to
8855         "i" and SImode "rmi" constraint to "g".  Remove all constraints
8856         from const0_operand and const1_operand predicated operands.
8857         (i): Change QImode and HImode attribute from "i" to "n".
8858         (*subqi_2): Change HImode operands to QImode.
8859         (*subqi_3): Ditto.
8860
8861 2008-06-25  Olivier Hainque  <hainque@adacore.com>
8862
8863         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
8864         sed substitutions.
8865
8866 2008-06-25  Richard Guenther  <rguenther@suse.de>
8867
8868         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
8869         not overflow the result type.
8870
8871 2008-06-25  Richard Guenther  <rguenther@suse.de>
8872
8873         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
8874         (vn_lookup): Likewise.
8875
8876 2008-06-25  Richard Guenther  <rguenther@suse.de>
8877
8878         PR tree-optimization/35518
8879         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
8880         * tree-sra.c (instantiate_element): Use fold_build3 to build
8881         BIT_FIELD_REFs.
8882         (try_instantiate_multiple_fields): Likewise.
8883
8884 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8885
8886         * config/rs6000/rs6000.md: Change all string instruction's clobber to
8887         be early clobbers.
8888
8889 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8890
8891         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
8892         use_backchain_to_restore_sp to true
8893         if the offset of the link register save area would go over the 32k - 1
8894         offset limit of the load
8895         instructions.
8896
8897 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
8898
8899         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
8900         anchor for the type-punning blurb.  Cross-reference "Structures
8901         unions enumerations and bit-fields implementation".  Provide a
8902         cast-through-pointer example.  Make final sentence self-contained.
8903         * doc/implement-c.texi (Structures unions enumerations and
8904         bit-fields implementation): Cross-reference the type-punning blurb
8905         in the -fstrict-aliasing documentation.
8906
8907 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8908
8909         PR middle-end/36594
8910         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
8911         the memory instead of the memory itself for the save area.
8912
8913 2008-06-24  Olivier Hainque  <hainque@adacore.com>
8914             Nicolas Roche  <roche@adacore.com>
8915
8916         * gengtype.c (srcdir_len): size_t instead of int.
8917         (get_file_realbasename): New function.  For F a filename, the real
8918         basename of F, with all the path components stripped.
8919         (get_file_srcdir_relative_path): New function.  For F a filename, the
8920         relative path to F from $(srcdir).
8921         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
8922         get_file_realbasename.  Adjust the head comment.
8923         (get_prefix_langdir_index): New function. For F a filename, return the
8924         lang_dir_names[] relative index of the language directory that is
8925         a prefix in F.
8926         (get_file_langdir): For F a filename, return the name of the language
8927         directory where F is located.
8928         (get_file_gtfilename): New function. The gt- output file name for an
8929         input filename F.
8930         (get_output_file_with_visibility): Replace in-line computations with
8931         uses of get_file_gtfilename and get_prefix_langdir_index.
8932         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
8933
8934 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
8935
8936         PR tree-optimization/36504
8937         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
8938         references without base address.
8939
8940 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
8941
8942         PR middle-end/36584
8943         * calls.c (expand_call): Increase alignment for recursive functions.
8944
8945 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
8946
8947         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
8948         (TARGET_FUNCTION_VALUE): New define.
8949         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
8950         * config/avr/avr.h (FUNCTION_VALUE): Remove.
8951
8952 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
8953
8954         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
8955         (fmod<mode>3): Ditto.
8956         (remainderxf3): Ditto.
8957         (remainder<mode>3): Ditto.
8958
8959 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
8960
8961         PR target/36533
8962         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
8963         REG is a hard register.
8964
8965         PR tree-optimization/36508
8966         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
8967         499, don't check it at all in release compilers.
8968
8969 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
8970
8971         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
8972         together with SSE_TARGET_MATH to disable insn pattern.
8973         (*fop_<MODEF:mode>_2_i387): Ditto.
8974         (*fop_<MODEF:mode>_3_i387): Ditto.
8975
8976 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
8977
8978         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
8979
8980 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
8981
8982         PR middle-end/34906
8983         * gimplify.c (gimplify_asm_expr): Check the return code of
8984         parse_output_constraint call, set function return and is_inout
8985         value if it failed.
8986
8987 2008-06-22  Ian Lance Taylor  <iant@google.com>
8988
8989         * c-lex.c (narrowest_unsigned_type): Change itk to int.
8990         (narrowest_signed_type): Likewise.
8991         * c-typeck.c (c_common_type): Change local variable mclass to enum
8992         mode_class, twice.
8993         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
8994         tcc_comparison, not the tree code itself.
8995         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
8996         (c_expand_expr): Cast modifier to enum expand_modifier.
8997         * c-common.h (C_RID_CODE): Add casts.
8998         (C_SET_RID_CODE): Define.
8999         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
9000         (c_lex_one_token): Add cast to avoid warning.
9001         (c_parser_objc_type_name): Rename local typename to type_name.
9002         (check_no_duplicate_clause): Change code parameter to enum
9003         omp_clause_code.
9004         (c_parser_omp_var_list_parens): Change kind parameter to enum
9005         omp_clause_code.
9006         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
9007         c_parser_omp_list_var_parens.
9008         (c_parser_omp_threadprivate): Likewise.
9009         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
9010         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
9011         * c-format.c (NO_FMT): Define.
9012         (printf_length_specs): Use NO_FMT.
9013         (asm_fprintf_length_specs): Likewise.
9014         (gcc_diag_length_specs): Likewise.
9015         (scanf_length_specs): Likewise.
9016         (strfmon_length_specs): Likewise.
9017         (gcc_gfc_length_specs): Likewise.
9018         (printf_flag_specs): Change 0 to STD_C89.
9019         (asm_fprintf_flag_specs): Likewise.
9020         (gcc_diag_flag_specs): Likewise.
9021         (gcc_cxxdiag_flag_specs): Likewise.
9022         (scanf_flag_specs): Likewise.
9023         (strftime_flag_specs): Likewise.
9024         (strfmon_flag_specs): Likewise.
9025         (print_char_table): Likewise.
9026         (asm_fprintf_char_table): Likewise.
9027         (gcc_diag_char_table): Likewise.
9028         (gcc_tdiag_char_table): Likewise.
9029         (gcc_cdiag_char_table): Likewise.
9030         (gcc_cxxdiag_char_table): Likewise.
9031         (gcc_gfc_char_table): Likewise.
9032         (scan_char_table): Likewise.
9033         (time_char_table): Likewis.
9034         (monetary_char_table): Likewise.
9035         * c-format.h (BADLEN): Likewise.
9036
9037 2008-06-21  Ian Lance Taylor  <iant@google.com>
9038
9039         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
9040         Define END_OF_BASE_TREE_CODES around inclusion.
9041         * tree.c (tree_code_type): New global array.
9042         (tree_code_length, tree_code_name): Likewise.
9043         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
9044         $(lang_tree_files).
9045         (all-tree.def, s-alltree): New targets.
9046         (gencheck.h, s-gencheck): Remove.
9047         (tree.o): Depend upon all-tree.def.
9048         (build/gencheck.o): Remove gencheck.h dependency.
9049         (mostlyclean): Don't remove gencheck.h.
9050         * c-common.h (enum c_tree_code): Remove.
9051         * c-lang.c (tree_code_type): Remove.
9052         (tree_code_length, tree_code_name): Remove.
9053         * gencheck.c (tree_codes): Include all-tree.def, rather than
9054         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
9055         after it is used.
9056         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
9057         than tree.def.
9058         * cp/cp-tree.h (enum cplus_tree_code): Remove.
9059         (operator_name_info): Size to MAX_TREE_CODES.
9060         (assignment_operator_name_info): Likewise.
9061         * cp/cp-lang.c (tree_code_type): Remove.
9062         (tree_code_length, tree_code_name): Remove.
9063         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
9064         (assignment_operator_name_info): Likewise.
9065         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
9066         MAX_TREE_CODES.
9067         * cp/mangle.c (write_expression): Likewise.
9068         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
9069         * fortran/f95-lang.c (tree_code_type): Remove.
9070         (tree_code_length, tree_code_name): Remove.
9071         * java/java-tree.h (enum java_tree_code): Remove.
9072         * java/lang.c (tree_code_type): Remove.
9073         (tree_code_length, tree_code_name): Remove.
9074         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
9075         * objc/objc-act.h (enum objc_tree_code): Remove.
9076         * objc/objc-lang.c (tree_code_type): Remove.
9077         (tree_code_length, tree_code_name): Remove.
9078         * objcp/objcp-lang.c (tree_code_type): Remove.
9079         (tree_code_length, tree_code_name): Remove.
9080         * ada/ada-tree.h (enum gnat_tree_code): Remove.
9081         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
9082         * ada/misc.c (tree_code_type): Remove.
9083         (tree_code_length, tree_code_name): Remove.
9084
9085 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
9086
9087         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
9088         the grand_bitmap_obstack.
9089
9090 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9091
9092         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
9093         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
9094         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
9095         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
9096         move_stmt_r, new_label_mapper): Likewise.
9097         * tree-complex.c (cvc_lookup): Likewise.
9098         * tree-dfa.c (create_function_ann): Likewise.
9099         * tree-dump.c (dump_register): Likewise.
9100         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
9101         find_phi_replacement_condition): Likewise.
9102         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
9103         tree_function_versioning): Likewise.
9104         * tree-into-ssa.c (cmp_dfsnum): Likewise.
9105         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
9106         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
9107         get_nonlocal_debug_decl, convert_nonlocal_reference,
9108         convert_nonlocal_omp_clauses, get_local_debug_decl,
9109         convert_local_reference, convert_local_omp_clauses,
9110         convert_nl_goto_reference, convert_nl_goto_receiver,
9111         convert_tramp_reference, convert_call_expr): Likewise.
9112         * tree-outof-ssa.c (contains_tree_r): Likewise.
9113         * tree-parloops.c (reduction_phi, initialize_reductions,
9114         eliminate_local_variables_1, add_field_for_reduction,
9115         add_field_for_name, create_phi_for_local_result,
9116         create_call_for_reduction_1, create_loads_for_reductions,
9117         create_stores_for_reduction, create_loads_and_stores_for_name):
9118         Likewise.
9119         * tree-phinodes.c (allocate_phi_node): Likewise.
9120         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
9121         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
9122         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
9123         * tree-ssa-coalesce.c (compare_pairs): Likewise.
9124         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
9125         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
9126         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
9127         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
9128         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
9129         vn_nary_op_insert): Likewise.
9130         * tree-ssa.c (redirect_edge_var_map_add,
9131         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
9132         * tree-vectorizer.c (vectorize_loops): Likewise.
9133         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
9134         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
9135         tree_cons_stat, build1_stat, build_variant_type_copy,
9136         decl_init_priority_lookup, decl_fini_priority_lookup,
9137         decl_priority_info, decl_restrict_base_lookup,
9138         decl_restrict_base_insert, decl_debug_expr_lookup,
9139         decl_debug_expr_insert, decl_value_expr_lookup,
9140         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
9141         type_hash_add, get_file_function_name, tree_check_failed,
9142         tree_not_check_failed, tree_range_check_failed,
9143         omp_clause_range_check_failed, build_omp_clause,
9144         build_vl_exp_stat): Likewise.
9145         * value-prof.c (gimple_histogram_value,
9146         gimple_duplicate_stmt_histograms): Likewise.
9147         * var-tracking.c (attrs_list_insert, attrs_list_copy,
9148         unshare_variable, variable_union_info_cmp_pos, variable_union,
9149         dataflow_set_different_1, dataflow_set_different_2,
9150         vt_find_locations, variable_was_changed, set_variable_part,
9151         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
9152         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
9153         section_entry_hash, object_block_entry_eq,
9154         object_block_entry_hash, create_block_symbol,
9155         initialize_cold_section_name, default_function_rodata_section,
9156         strip_reg_name, set_user_assembler_name, const_desc_eq,
9157         build_constant_desc, output_constant_def, lookup_constant_def,
9158         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
9159         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
9160         default_internal_label): Likewise.
9161         * varray.c (varray_init, varray_grow): Likewise.
9162         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
9163
9164 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
9165
9166         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
9167         operators for "test" insn.  Macroize insn using SWI mode macro.
9168         (*jcc_fused_2): Ditto.
9169         (*jcc_fused_3): Macroize insn using SWI mode macro.
9170         (*jcc_fused_4): Ditto.
9171
9172 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
9173
9174         * tree-ssa-pre.c: Fix typo in comment.
9175         (init_antic, fini_antic): Add explicit funtions for
9176         initializing and deinitializing ANTIC and AVAIL sets.
9177         (create_expression_by_pieces): Fix typo in comment.
9178         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
9179         (execute_pre): Eventually dump details about ANTIC_IN.
9180
9181 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9182
9183         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
9184         * gcc.c (translate_options, init_spec, store_arg, read_specs,
9185         add_to_obstack, file_at_path, find_a_file, execute,
9186         add_preprocessor_option, add_assembler_option, add_linker_option,
9187         process_command, insert_wrapper, do_option_spec, do_self_spec,
9188         spec_path, do_spec_1, is_directory, main, used_arg,
9189         getenv_spec_function): Likewise.
9190         * tlink.c (symbol_hash_lookup, file_hash_lookup,
9191         demangled_hash_lookup, symbol_push, file_push, frob_extension):
9192         Likewise.
9193
9194 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
9195
9196         * doc/rtl.texi: Updated subreg section.
9197
9198 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
9199
9200         PR c++/36523
9201         * cgraphunit.c (cgraph_process_new_functions): Don't clear
9202         node->needed and node->reachable.
9203         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
9204         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
9205         (expand_task_call): Don't call expand_task_copyfn.
9206         (expand_task_copyfn): Renamed to...
9207         (finalize_task_copyfn): ... this.
9208
9209 2008-06-19  Jan Hubicka  <jh@suse.cz>
9210
9211         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
9212         clobbering framepointer.
9213
9214 2008-06-19  Jan Hubicka  <jh@suse.cz>
9215
9216         * tree-optimize.c (execute_early_local_optimizations): Set
9217         cgraph_state only at first invocation.
9218
9219 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9220
9221         * system.h (-Wc++-compat): Activate as a warning, no an error.
9222
9223 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
9224
9225         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
9226         instead of "#" in insn asm template.
9227         (*jcc_fused_2): Ditto.
9228
9229 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
9230
9231         * config/i386/i386.h (ix86_tune_indices)
9232         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
9233         (TARGET_FUSE_CMP_AND_BRANCH): New define.
9234         * config/i386/i386.md (*jcc_fused_1): New insn pattern
9235         (*jcc_fused_2): Ditto.
9236         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
9237         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
9238         (print operand): Handle 'E' and 'e' code.
9239
9240 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
9241
9242         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
9243         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9244         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9245
9246 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
9247
9248         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
9249         node->decl.
9250         (cgraph_expand_function): Use local copy of decl.
9251         (cgraph_expand_all_functions): Remove redundant initialization of
9252         order_pos.
9253         (cgraph_optimize): Reword internal_error message.
9254
9255 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
9256
9257         * arm-protos.h (arm_return_in_memory): Remove public
9258         arm_return_in_memory() prototype.
9259         * arm.c (arm_return_in_memory): Add static prototype, add target
9260         hook macro, change definition and comments.
9261         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
9262
9263 2008-06-19  Ben Elliston  <bje@au.ibm.com>
9264
9265         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
9266         real.c: Remove references to IEEE 754R.
9267         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
9268         * doc/libgcc.texi (Decimal float library routines): Likewise.
9269
9270 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9271
9272         * targhooks.h (struct gcc_target): New member unwind_word_mode.
9273         (default_unwind_word_mode): Add prototype.
9274         * targhooks.c (default_unwind_word_mode): New function.
9275         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
9276         instead of word_mode.
9277         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
9278         (TARGET_INITIALIZER): Use it.
9279
9280         * c-common.c (handle_mode_attribute): Support "unwind_word"
9281         mode attribute.
9282         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
9283
9284         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
9285         word_mode to access SjLj_Function_Context member "data".
9286         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
9287         conversion from targetm.eh_return_filter_mode () to
9288         targetm.unwind_word_mode () if they differ.
9289
9290         * builtin-types.def (BT_UNWINDWORD): New primitive type.
9291         (BT_FN_UNWINDWORD_PTR): New function type.
9292         (BT_FN_WORD_PTR): Remove.
9293         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
9294         * except.c (expand_builtin_extend_pointer): Convert pointer to
9295         targetm.unwind_word_mode () instead of word_mode.
9296
9297         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
9298         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
9299         (spu_unwind_word_mode): New function.
9300         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
9301         (TARGET_UNWIND_WORD_MODE): Define.
9302         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
9303
9304 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9305
9306         * config/spu/spu.c (reg_align): Remove.
9307         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
9308         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
9309         (spu_split_store): Likewise.
9310
9311 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
9312
9313         * gcc/tree-vn.c: Fix typo in comment.
9314
9315 2008-06-18  Jan Hubicka  <jh@suse.cz>
9316
9317         * cgraphunit.c (cgraph_optimize): Output debug info when doing
9318         toplevel reorder too.
9319
9320 2008-06-18  Jan Hubicka  <jh@suse.cz>
9321
9322         * c-opts.c (c_common_post_options): PCH is not compatible with
9323         no-unit-at-a-time.
9324         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
9325         -fno-toplevel-reorder by default now.
9326
9327 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9328
9329         PR documentation/30739
9330         * doc/install.texi (Prerequisites): Document dependency on awk.
9331
9332 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
9333             Ian Lance Taylor  <iant@google.com>
9334
9335         PR rtl-optimization/35604
9336         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
9337         only want to change jump destinations, not eventual label comparisons.
9338
9339 2008-06-16  Jan Hubicka  <jh@suse.cz>
9340
9341         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
9342         syntax errors.
9343         (cgraph_analyze_function): Likewise.
9344
9345 2008-06-16  Jan Hubicka  <jh@suse.cz>
9346
9347         * cgraph.h (cgraph_mark_if_needed): New function.
9348         * cgraphunit.c (cgraph_mark_if_needed): New function.
9349         * c-decl.c (duplicate_decl): Use it.
9350
9351 2008-06-16  Jan Hubicka  <jh@suse.cz>
9352
9353         * cgraph.c (cgraph_add_new_function): When in expansion state, do
9354         lowering.
9355
9356 2008-06-16  Jan Hubicka  <jh@suse.cz>
9357
9358         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
9359
9360 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
9361             Kazu Hirata  <kazu@codesourcery.com>
9362             Maxim Kuvyrkov  <maxim@codesourcery.com
9363
9364         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
9365         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
9366         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
9367         EXTRA_SPEC_FUNCTIONS.
9368         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
9369         (DRIVER_SELF_SPECS): Adjust.
9370         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
9371         * config/mips/st.h, config/mips/t-st: New.
9372         * config/mips/driver-native.c, config/mips/x-native: New.
9373         * doc/invoke.texi (MIPS): Document 'native' value for -march and
9374         -mtune options.
9375
9376 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
9377
9378         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
9379         from it.
9380         (ISA_HAS_FP_CONDMOVE): New macro.
9381         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
9382         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
9383         (ISA_HAS_NMADD3_NMSUB3): New macro.
9384         * config/mips/mips.c (mips_rtx_costs): Update.
9385         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
9386         compiling for ST Loongson 2E/2F.
9387         (madd<mode>): Rename to madd4<mode>.  Update.
9388         (madd3<mode>): New pattern.
9389         (msub<mode>): Rename to msub4<mode>.  Update.
9390         (msub3<mode>): New pattern.
9391         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
9392         (nmadd3<mode>): New pattern.
9393         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
9394         (nmadd3<mode>_fastmath): New pattern.
9395         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
9396         (nmsub3<mode>): New pattern.
9397         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
9398         (nmsub3<mode>_fastmath): New pattern.
9399         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
9400
9401 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
9402
9403         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
9404         (DF_REF_INSN_INFO): New.
9405         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
9406         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
9407         with a NULL DF_REF_INSN_INFO.
9408         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
9409         DF_INSN_SET.
9410         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
9411         DF_INSN_INFO_EQ_USES): New.
9412         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
9413         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
9414         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
9415         * df-core.c: Update comment for above changes.
9416         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
9417         DF_INSN_UID_* macros.
9418         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
9419         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
9420         insn rtx.  Update all callers.
9421         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
9422         df_ref_create_structure, df_insn_refs_collect): Likewise.
9423         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
9424         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
9425         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
9426         macros to access the insn refs.
9427         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
9428         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
9429         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
9430         for accessing the refs.
9431         (try_fwprop_subst): Likewise.
9432         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
9433         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
9434         for accessing the refs.
9435         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
9436         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
9437         to look at the insn refs.
9438         (record_uses): Likewise.
9439         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
9440         function anymore.
9441         (mark_artificial_uses): Don't mark_insn for artificial refs.
9442         (mark_reg_rependencies): Likewise.
9443
9444         * doc/rtl.texi: Remove documentation of ADDRESSOF.
9445
9446 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9447
9448         * configure: Regenerate.
9449
9450 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
9451
9452         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
9453         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
9454         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
9455
9456 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
9457
9458         * config/avr/avr.c (avr_mcu_t): Add attiny167.
9459         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
9460         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise.
9461
9462 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
9463
9464         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
9465         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
9466         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
9467
9468 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
9469
9470         * tree-ssa-sccvn.c: Fix format of comments.
9471
9472 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
9473
9474         * cgraph.c: Remove unneeded forward declarations of eq_node()
9475         and hash_node().
9476
9477 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
9478
9479         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
9480         REG_RETVAL notes.
9481         (see_update_relevancy): Likewise.
9482         * fwprop.c (try_fwprop_subst): Likewise.
9483         * rtlanal.c (noop_move_p): Likewise.
9484         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
9485         notes to non-existing libcall blocks.
9486         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
9487         Remove orig_set.
9488         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
9489         (dead_libcall_p): Remove.
9490         (delete_trivially_dead_insns): Don't use it.
9491         * web.c (union_defs): Remove comment about keeping nops.
9492         * gcse.c (hash_scan_insn): Don't take libcall pointers.
9493         (compute_hash_table_work): Don't track libcall notes.
9494         (do_local_cprop): Don't take libcall pointers.  Don't update
9495         libcall notes.
9496         (adjust_libcall_notes): Deleted.
9497         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
9498         ever have existed in the first place).
9499         (replace_store_insn): Don't try to remove libcall notes.
9500         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
9501         (resolve_reg_notes): Don't call them.
9502         (resolve_simple_move): Likewise.
9503         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
9504         Don't remove REG_RETVAL notes.
9505         * emit-rtl.c (try_split): Don't update libcall notes.
9506         (emit_copy_of_insn_after): Dito.
9507         * cselib.c (cselib_current_insn_in_libcall): Remove.
9508         (cselib_process_insn): Don't set/clear it.
9509         (new_elt_loc_list): Don't record it.
9510         (cselib_init): Don't initialize it.
9511         * cselib.c (struct elt_loc_list): Remove in_libcall field.
9512         * loop-invariant.c (find_invariant_insn): Don't look for libcall
9513         notes.
9514         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
9515         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
9516         (init_deps): Don't initialize it.
9517         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
9518         * combine.c (delete_noop_moves): Don't update libcall notes.
9519         (can_combine_p): Remove now pointless #if 0 block.
9520         (try_combine): Remove another obsolete #if 0 block.
9521         (distribute_notes): Don't distribute libcall notes.
9522         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
9523         * dce.c (libcall_dead_p): Remove.
9524         (delete_unmarked_insns): Don't handle libcall blocks.
9525         (preserve_libcall_for_dce): Remove.
9526         (prescan_insns_for_dce): Don't special-case libcall block insns.
9527         * reload1 (reload): Don't handle libcall notes.
9528         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
9529         documentation.
9530
9531 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
9532
9533         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
9534         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
9535         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
9536
9537 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
9538
9539         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
9540         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
9541         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
9542
9543 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9544
9545         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
9546
9547 2008-06-16  Ira Rosen  <irar@il.ibm.com>
9548
9549         PR tree-optimization/36493
9550         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
9551         the arguments list. Use VECTYPE to create vector pointer.
9552         (vectorizable_store): Fail if accesses through a pointer to vectype
9553         do not alias the original memory reference operands.
9554         Call vect_create_data_ref_ptr without the removed argument.
9555         (vectorizable_load): Likewise.
9556         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
9557         removed argument.
9558
9559 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
9560
9561         PR target/36336
9562         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for
9563         reg_equiv_constant.
9564
9565 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
9566
9567         * config/mips/loongson2ef.md: New file.
9568         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
9569         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
9570         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
9571         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
9572         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
9573         and loongson_2f.
9574         (loongson2ef.md): New include.
9575         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
9576         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
9577         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
9578         (loongson_gt_<mode>, loongson_extract_halfword)
9579         (loongson_insert_halfword_0, loongson_insert_halfword_2)
9580         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
9581         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
9582         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
9583         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
9584         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
9585         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
9586         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
9587         (vec_interleave_low<mode>): Define type attribute.
9588         * config/mips/mips.c (mips_ls2): New static variable.
9589         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
9590         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
9591         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
9592         Implement target scheduling hooks.
9593         (mips_multipass_dfa_lookahead): Update to handle tuning for
9594         Loongson 2E/2F.
9595         (mips_sched_init): Initialize data for Loongson scheduling.
9596         (mips_ls2_variable_issue): New static function.
9597         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
9598         Add sanity check.
9599         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
9600         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
9601         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
9602         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
9603         Handle ST Loongson 2E/2F cores.
9604         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
9605
9606 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9607
9608         * omp-low.c (extract_omp_for_data): Fix comment typo.
9609         * c.opt: Fix typo.
9610
9611 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9612
9613         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
9614         FIXME note about gcc/config.guess.
9615         * doc/options.texi (Option file format): Remove non-ASCII bytes.
9616         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
9617         * doc/cppopts.texi: Likewise.
9618         * doc/extend.texi: Likewise.
9619         * doc/gcc.texi: Likewise.
9620         * doc/gccint.texi: Likewise.
9621         * doc/gcov.texi: Likewise.
9622         * doc/gty.texi: Likewise.
9623         * doc/hostconfig.texi: Likewise.
9624         * doc/install.texi: Likewise.
9625         * doc/invoke.texi: Likewise.
9626         * doc/loop.texi: Likewise.
9627         * doc/makefile.texi: Likewise.
9628         * doc/md.texi: Likewise.
9629         * doc/passes.texi: Likewise.
9630         * doc/tm.texi: Likewise.
9631         * doc/tree-ssa.texi: Likewise.
9632         * doc/trouble.texi: Likewise.
9633
9634 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
9635             Nathan Sidwell  <nathan@codesourcery.com>
9636             Maxim Kuvyrkov  <maxim@codesourcery.com>
9637             Richard Sandiford  <rdsandiford@googlemail.com>
9638
9639         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
9640         * config/mips/mips-protos.h (mips_expand_vector_init): New.
9641         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
9642         builtins.
9643         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
9644         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
9645         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
9646         V8QImode cases.
9647         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
9648         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
9649         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
9650         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
9651         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
9652         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
9653         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
9654         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
9655         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
9656         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
9657         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
9658         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
9659         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
9660         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
9661         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
9662         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
9663         (mips_builtins): Add Loongson builtins.
9664         (mips_loongson_2ef_bdesc): New.
9665         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
9666         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
9667         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
9668         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
9669         New.
9670         (mips_expand_vector_init): New.
9671         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
9672         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
9673         if appropriate.
9674         * config/mips/mips.md: Add unspec numbers for Loongson
9675         builtins.  Include loongson.md.
9676         (MOVE64): Include Loongson vector modes.
9677         (SPLITF): Include Loongson vector modes.
9678         (HALFMODE): Handle Loongson vector modes.
9679         * config/mips/loongson.md: New.
9680         * config/mips/loongson.h: New.
9681         * config.gcc: Add loongson.h header for mips*-*-* targets.
9682         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
9683
9684 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
9685
9686         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
9687         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
9688         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
9689         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
9690         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
9691         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
9692         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
9693         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
9694         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
9695         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
9696         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
9697         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
9698         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
9699         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
9700         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
9701         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
9702         Remove use_fixproto=yes.
9703         (ia64*-*-hpux*): Remove comment about using fixproto.
9704         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
9705
9706 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9707
9708         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
9709         library rebuilds.
9710         * configure: Regenerate.
9711
9712 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
9713
9714         PR middle-end/36520
9715         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
9716         before evaluating it.
9717
9718 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
9719
9720         PR c/36507
9721         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
9722         nested inline functions.
9723         (start_decl, start_function): Don't invert DECL_EXTERNAL
9724         for nested inline functions.
9725
9726 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
9727
9728         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
9729         splits that must be made for correctness.
9730
9731 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
9732
9733         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
9734         (AVAIL_NON_MIPS16): Likewise.
9735         (mips_builtin_description): Replace target_flags with a predicate.
9736         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
9737         (dspr2_32): New availability predicates.
9738         (MIPS_BUILTIN): New macro.
9739         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
9740         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
9741         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
9742         Replace the TARGET_FLAGS parameters with AVAIL parameters.
9743         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
9744         (mips_dsp_32only_bdesc): Merge into...
9745         (mips_builtins): ...this new array.
9746         (mips_bdesc_map, mips_bdesc_arrays): Delete.
9747         (mips_init_builtins): Update after above changes.
9748         (mips_expand_builtin_1): Merge into...
9749         (mips_expand_builtin): ...here and update after above changes.
9750
9751 2008-06-12  Paul Brook  <paul@codesourcery.com>
9752
9753         * longlong.h (__arm__): Define count_leading_zeros.
9754         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
9755         (clzsi2, clzdi2): New functions.
9756         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
9757         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
9758         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
9759         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
9760         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
9761         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
9762         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
9763         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
9764         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
9765         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
9766
9767 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
9768
9769         * config/m68k/m68k.c (m68k_tune_flags): New.
9770         (override_options): Compute m68k_tune_flags.
9771         (MULL_COST, MULW_COST): Update for various variants of CFV2.
9772         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
9773
9774 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
9775
9776         PR middle-end/36506
9777         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
9778
9779 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
9780
9781         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
9782         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
9783
9784 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
9785
9786         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
9787         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
9788
9789 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
9790
9791         PR middle-end/36506
9792         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
9793         reductions.
9794
9795 2008-06-12  Richard Guenther  <rguenther@suse.de>
9796
9797         PR tree-optimization/36345
9798         * tree-flow.h (struct ptr_info_def): Align escape_mask,
9799         add memory_tag_needed flag.
9800         (may_alias_p): Declare.
9801         * tree-ssa-alias.c (may_alias_p): Export.
9802         (set_initial_properties): Use memory_tag_needed flag.
9803         (update_reference_counts): Likewise.
9804         (reset_alias_info): Reset memory_tag_needed flag.
9805         (create_name_tags): Check memory_tag_needed flag.
9806         (dump_points_to_info_for): Dump it.
9807         * tree-ssa-structalias.c (struct variable_info): Remove
9808         directly_dereferenced flag.
9809         (new_var_info): Do not initialize it.
9810         (process_constraint_1): Do not set it.
9811         (update_alias_info): Set is_dereferenced flag.
9812         (set_uids_in_ptset): Use may_alias_p.
9813         (set_used_smts): Check memory_tag_needed flag.
9814         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
9815         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
9816         memory_tag_needed flag.
9817         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
9818         from broken design.
9819
9820 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
9821
9822         * config/i386/i386.c (ix86_compute_frame_layout): Disable
9823         red zone for w64 abi.
9824         (ix86_expand_prologue): Likewise.
9825         (ix86_force_to_memory): Likewise.
9826         (ix86_free_from_memory): Likewise.
9827
9828 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
9829
9830         PR target/36425
9831         * config/rs6000/rs6000.c (rs6000_override_options): Set
9832         rs6000_isel conditionally to the absence of comand line override.
9833         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
9834         Remove duplicate rs6000_isel setting.
9835         * config/rs6000/eabispe.h: Ditto.
9836
9837 2008-06-11  Richard Guenther  <rguenther@suse.de>
9838
9839         * alias.c (get_alias_set): Use the element alias-set for arrays.
9840         (record_component_aliases): For arrays and vectors do nothing.
9841         * c-common.c (strict_aliasing_warning): Handle the cases
9842         of alias set zero explicitly.
9843         * Makefile.in (dfp.o-warn): Add -Wno-error.
9844
9845 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
9846
9847         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
9848         tune_32 tune_64.
9849         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
9850         tune_32 tune_64 to supported_defaults.  Allow values not
9851         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
9852         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
9853         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
9854         with_cpu_64 to generic for 64-bit-supporting configurations, not
9855         with_cpu.  Remove FIXMEs.
9856         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
9857         --with-arch-64, --with-tune-32, --with-tune-64): Document.
9858         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
9859         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
9860         arch_32 and arch_64.
9861
9862 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
9863             Olivier Hainque  <hainque@adacore.com>
9864
9865         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
9866         Use DECL_SIZE_UNIT to retrieve the size of the field.
9867
9868 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
9869
9870         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
9871         with function calls after declarations.  Lay out
9872         neon_float_type_node before further use.
9873
9874 2008-06-11  Richard Guenther  <rguenther@suse.de>
9875
9876         * tree-flow.h (may_point_to_global_var): Declare.
9877         * tree-ssa-alias.c (may_point_to_global_var): New function.
9878         * tree-ssa-sink.c (is_hidden_global_store): Use it.
9879
9880 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
9881
9882         * configure.ac: Teach that fido supports .debug_line.
9883         * configure: Regenerate.
9884
9885 2008-06-10  Tom Tromey  <tromey@redhat.com>
9886
9887         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
9888         debug hook.
9889
9890 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
9891
9892         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
9893         (encode_decimal64, decode_decimal64, encode_decimal128,
9894         decode_decimal128): Reverse order of 32-bit parts of value if host
9895         and target endianness differ.
9896
9897 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
9898
9899         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
9900         Avoid division by 0.
9901         (tree_mod_pow2_value_transform): Likewise.
9902         (tree_ic_transform): Likewise.
9903         (tree_stringops_transform): Likewise.
9904         (tree_mod_subtract_transform): Likewise.
9905         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
9906         (copy_edges_for_bb): Likewise.
9907         (initialize_cfun): Likewise.
9908
9909 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
9910
9911         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
9912         nonmemory_operand. Add "N" operand constraint.
9913         (*btsi): Ditto.
9914         (*jcc_btdi_mask_rex64): New instruction and split pattern.
9915         (*jcc_btsi_mask): Ditto.
9916         (*jcc_btsi_mask_1): Ditto.
9917
9918 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
9919
9920         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
9921         TYPE_CANONICAL for copied element type.
9922
9923 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
9924
9925         PR target/36473
9926         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
9927         Add m_CORE2 and m_GENERIC.
9928         * config/i386/predicates.md (bt_comparison_operator): New predicate.
9929         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
9930         (*btsi): Ditto.
9931         (*jcc_btdi_rex64): New instruction and split pattern.
9932         (*jcc_btsi): Ditto.
9933         (*jcc_btsi_1): Ditto.
9934         (*btsq): Fix Intel asm dialect operand order.
9935         (*btrq): Ditto.
9936         (*btcq): Ditto.
9937
9938 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
9939
9940         PR middle-end/36447
9941         * simplify-rtx.c (simplify_subreg): Add check for shift count
9942         greater than size.
9943
9944 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
9945
9946         * doc/md.texi: Synchronize with later constraints.md change.
9947         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
9948         with a C implementation.
9949         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
9950         MFLO handling.
9951         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
9952         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
9953         when moving to and from MD_REGNUM.
9954         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
9955         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
9956         Handle byte and halfword moves.
9957         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
9958         separately.
9959         * config/mips/constraints.md (h): Turn into NO_REGS.
9960         (l, x): Update documentation.
9961         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
9962         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
9963         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
9964         (HILO): New mode iterator.
9965         (MOVE128): Add TI.
9966         (any_div): New code iterator.
9967         (u): Extend code attribute to div and udiv.
9968         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
9969         d_operand in the splitters.  Remove redundant CONST_INT checks.
9970         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
9971         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
9972         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
9973         accordingly, using normal moves instead of unspecs to move LO into
9974         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
9975         (<u>mulsidi3): Handle expansion in C code.
9976         (<u>mulsidi3_32bit_internal): Rename to...
9977         (<u>mulsidi3_32bit): ...this.
9978         (<u>mulsidi3_32bit_r4000): Fix insn separator.
9979         (*<u>mulsidi3_64bit): Rename to...
9980         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
9981         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
9982         to set LO and HI to the multiplication result.  Use a normal move
9983         for MFLO and an unspec for MFHI.
9984         (*<u>mulsidi3_64bit_parts): Replace with...
9985         (<u>mulsidi3_64bit_hilo): ...this new instruction.
9986         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
9987         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
9988         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
9989         instead of HI.  Split the instruction into a separate multiplication
9990         and MFHI if !TARGET_FIX_R4000.
9991         (<su>muldi3_highpart): Likewise.
9992         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
9993         and the "=h" clobber.
9994         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
9995         (<u>mulditi3): New expander.
9996         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
9997         (madsi): Remove "=h" clobber.
9998         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
9999         Force the modulus result to be a GPR and split the instruction into
10000         a division followed by an MFHI after reload.
10001         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
10002         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
10003         the MIPS16 HIGH define_split.
10004         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
10005         of acc<->gpr moves to "multi".
10006         (*movdi_64bit): Replace the single "x" alternative with
10007         alternatives for moving into and out of "a".
10008         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
10009         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
10010         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
10011         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
10012         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
10013         (movti): New expander.
10014         (*movti, *movti_mips16): New insns.
10015         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
10016         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
10017         (mthi<GPR:mode>_<HILO:mode>): Likewise.
10018         * config/mips/predicates.md (fpr_operand): Delete.
10019         (d_operand): New predicate.
10020
10021 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
10022
10023         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
10024         failure on some Bourne shells.
10025         (x86_64-*-*): Ditto.
10026
10027 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
10028
10029         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
10030
10031 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
10032
10033         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
10034         (sparc-sun-solaris2*): Likewise.
10035
10036 2008-06-09  Arnaud Charlet  <charlet@adacore.com
10037
10038         * doc/install.texi: Update requirements to build the Ada compiler.
10039
10040 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
10041
10042         * df-scan.c (struct df_scan_problem_data): Remove the
10043         mw_link_pool alloc pool.
10044         (df_scan_free_internal): Don't free it.
10045         (df_scan_alloc): Don't allocate it.
10046         * df.h (struct df_link): Update comment.
10047
10048 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
10049
10050         * except.h: Correct checks for when SJLJ exceptions must be used.
10051
10052 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10053
10054         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
10055         default.
10056
10057 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
10058
10059         PR tree-optimization/36218
10060         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
10061         configure for the build system.
10062         (BUILD_LDFLAGS): Define.
10063         * configure: Regenerate.
10064         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
10065
10066 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
10067
10068         PR target/36424
10069         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
10070         * config/avr/avr.c (avr_hard_regno_rename_ok): New function.
10071         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype.
10072
10073 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
10074
10075         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
10076
10077 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
10078
10079         * config.gcc (Obsolete configurations): Remove list of
10080         configurations.
10081         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
10082         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
10083         targets matched by those patterns.
10084         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
10085         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
10086         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
10087         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
10088         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
10089         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
10090         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
10091         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
10092         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
10093         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
10094         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
10095         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
10096         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
10097         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
10098         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
10099         Make code for Solaris 7 and greater unconditional for Solaris.
10100         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
10101         Remove --with-* handling.
10102         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
10103         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
10104         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
10105         LINK_OS_WINDISS_SPEC): Remove.
10106         * config/rs6000/sysv4.opt (mwindiss): Remove.
10107         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
10108         * configure: Regenerate.
10109         * doc/cpp.texi: Don't mention BeOS.
10110         * doc/extend.texi (interrupt): Don't mention MS1.
10111         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
10112         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
10113         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
10114         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
10115         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
10116         Remove.
10117         * doc/invoke.texi (MT Options): Remove.
10118         (-mwindiss): Remove.
10119         (CRIS Options): Remove cris-axis-aout references.
10120         (HPPA Options): Don't mention hppa1.1-*-pro.
10121         * doc/md.texi: (MorphoTech family): Remove.
10122         * libgcc2.c: Don't handle UWIN.
10123         * config/alpha/t-unicosmk: Remove.
10124         * config/alpha/unicosmk.h: Remove.
10125         * config/arm/kaos-arm.h: Remove.
10126         * config/arm/kaos-strongarm.h: Remove.
10127         * config/arm/strongarm-coff.h: Remove.
10128         * config/arm/strongarm-elf.h: Remove.
10129         * config/arm/strongarm-pe.h: Remove.
10130         * config/arm/t-strongarm-pe: Remove.
10131         * config/arm/t-xscale-coff: Remove.
10132         * config/arm/t-xscale-elf: Remove.
10133         * config/arm/xscale-coff.h: Remove.
10134         * config/arm/xscale-elf.h: Remove.
10135         * config/chorus.h: Remove.
10136         * config/cris/aout.h: Remove.
10137         * config/cris/aout.opt: Remove.
10138         * config/cris/t-aout: Remove.
10139         * config/i386/beos-elf.h: Remove.
10140         * config/i386/kaos-i386.h: Remove.
10141         * config/i386/ptx4-i.h: Remove.
10142         * config/i386/sco5.h: Remove.
10143         * config/i386/sco5.opt: Remove.
10144         * config/i386/sysv4-cpp.h: Remove.
10145         * config/i386/sysv5.h: Remove.
10146         * config/i386/t-beos: Remove.
10147         * config/i386/t-sco5: Remove.
10148         * config/i386/t-uwin: Remove.
10149         * config/i386/uwin.asm: Remove.
10150         * config/i386/uwin.h: Remove.
10151         * config/kaos.h: Remove.
10152         * config/mips/windiss.h: Remove.
10153         * config/mt: Remove directory.
10154         * config/pa/pa-osf.h: Remove.
10155         * config/pa/pa-pro-end.h: Remove.
10156         * config/pa/t-pro: Remove.
10157         * config/ptx4.h: Remove.
10158         * config/rs6000/beos.h: Remove.
10159         * config/rs6000/kaos-ppc.h: Remove.
10160         * config/rs6000/t-beos: Remove.
10161         * config/rs6000/windiss.h: Remove.
10162         * config/sh/kaos-sh.h: Remove.
10163         * config/sol2-6.h: Remove.
10164         * config/sparc/sol26-sld.h: Remove.
10165         * config/sparc/sysv4-only.h: Remove.
10166         * config/vax/bsd.h: Remove.
10167         * config/vax/t-memfuncs: Remove.
10168         * config/vax/ultrix.h: Remove.
10169         * config/vax/vaxv.h: Remove.
10170         * config/windiss.h: Remove.
10171
10172 2008-06-06  Uros Bizjak <ubizjak@gmail.com>
10173
10174         PR rtl-optimization/36438
10175         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
10176         for vector shifts with constant scalar shift operands.
10177
10178 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
10179
10180         * doc/invoke.texi: Document -march=xlr.
10181         * config/mips/xlr.md: New file.
10182         * config/mips/mips.md: Include it.
10183         (cpu): Add "xlr".
10184         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
10185         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
10186         (mips_rtx_cost_data): Likewise.
10187
10188 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
10189
10190         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
10191         PRE_INC and PRE_DEC cases.
10192
10193 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
10194
10195         PR rtl-optimization/36419
10196         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
10197         the emitting jump insn.
10198
10199         PR target/36362
10200         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
10201         is not bool, boolify the whole *expr_p and convert to the desired type.
10202
10203 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
10204
10205         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
10206         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
10207         Add omp_private_outer_ref hook, add another argument to
10208         omp_clause_default_ctor hook.
10209         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
10210         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
10211         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
10212         hook_tree_tree_tree_tree_null.
10213         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
10214         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
10215         * hooks.c (hook_tree_tree_tree_tree_null): New function.
10216         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
10217         * tree.def (OMP_TASK): New tree code.
10218         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
10219         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
10220         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
10221         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
10222         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
10223         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
10224         OMP_CLAUSE_COLLAPSE_EXPR): Define.
10225         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
10226         (OMP_DIRECTIVE_P): Add OMP_TASK.
10227         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
10228         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
10229         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
10230         and OMP_CLAUSE_UNTIED entries.
10231         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
10232         num_ops to 2.
10233         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
10234         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
10235         * tree-pretty-print.c (dump_omp_clause): Handle
10236         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
10237         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
10238         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
10239         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
10240         warning about unsigned iterators.  Change decl/init/cond/incr
10241         arguments to TREE_VECs, check arguments for all collapsed loops.
10242         (c_finish_omp_taskwait): New function.
10243         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
10244         ws_clauses.
10245         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
10246         default_function_array_conversion on init.  Add par_clauses argument.
10247         If decl is present in parallel's lastprivate clause, change it to
10248         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
10249         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
10250         collapse count in clauses.
10251         (c_parser_omp_for, c_parser_omp_parallel): Adjust
10252         c_parser_omp_for_loop callers.
10253         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
10254         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
10255         (c_parser_omp_clause_name): Handle collapse and untied clauses.
10256         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
10257         functions.
10258         (c_parser_omp_clause_schedule): Handle schedule(auto).
10259         Include correct location in the error message.
10260         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
10261         and PRAGMA_OMP_CLAUSE_UNTIED.
10262         (OMP_TASK_CLAUSE_MASK): Define.
10263         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
10264         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
10265         * tree-nested.c (convert_nonlocal_omp_clauses,
10266         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
10267         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
10268         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
10269         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
10270         OMP_CLAUSE_DECL.
10271         (conver_nonlocal_reference, convert_local_reference,
10272         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
10273         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
10274         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
10275         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
10276         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
10277         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
10278         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
10279         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
10280         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
10281         OMP_CLAUSE_UNTIED.
10282         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
10283         * c-common.h (c_finish_omp_taskwait): New prototype.
10284         * gimple-low.c (lower_stmt): Handle OMP_TASK.
10285         * tree-parloops.c (create_parallel_loop): Create 1 entry
10286         vectors for OMP_FOR_{INIT,COND,INCR}.
10287         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
10288         (make_edges): Handle OMP_TASK.
10289         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
10290         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
10291         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
10292         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
10293         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
10294         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
10295         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
10296         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
10297         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
10298         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
10299         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
10300         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
10301         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
10302         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
10303         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
10304         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
10305         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
10306         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
10307         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
10308         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
10309         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
10310         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
10311         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
10312         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
10313         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
10314         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
10315         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
10316         original iterator is present in lastprivate clause or if
10317         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
10318         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
10319         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
10320         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
10321         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
10322         if it is set, lookup var in outer contexts too.  Handle
10323         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
10324         to be implicitly determined firstprivate for task regions.
10325         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
10326         if it is set, lookup var in outer contexts too.  Set
10327         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
10328         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
10329         OMP_CLAUSE_UNTIED.  Take region_type as last argument
10330         instead of in_parallel and in_combined_parallel.
10331         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10332         Adjust callers.
10333         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
10334         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
10335         (new_omp_context): Set default_kind to
10336         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
10337         (omp_region_type): New enum.
10338         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
10339         fields, add region_type.
10340         (new_omp_context): Take region_type as argument instead of is_parallel
10341         and is_combined_parallel.
10342         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
10343         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
10344         ctx->is_combined_parallel checks.
10345         (gimplify_omp_task): New function.
10346         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
10347         OMP_CLAUSE_UNTIED.
10348         * omp-low.c (extract_omp_for_data): Use schedule(static)
10349         for schedule(auto).  Handle pointer and unsigned iterators.
10350         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
10351         Add loops argument.  Extract data for collapsed OMP_FOR loops.
10352         (expand_parallel_call): Assert sched_kind isn't auto,
10353         map runtime schedule to index 3.
10354         (struct omp_for_data_loop): New type.
10355         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
10356         Add loop, loops, collapse and iter_type fields.
10357         (workshare_safe_to_combine_p): Disallow combined for if
10358         iter_type is unsigned long long.  Don't combine collapse > 1 loops
10359         unless all bounds and steps are constant.  Adjust extract_omp_for_data
10360         caller.
10361         (expand_omp_for_generic): Handle pointer, unsigned and long long
10362         iterators.  Handle collapsed OMP_FOR loops.  Adjust
10363         for struct omp_for_data changes.  If libgomp function doesn't return
10364         boolean_type_node, add comparison of the return value with 0.
10365         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
10366         pointer, unsigned and long long iterators.  Adjust for struct
10367         omp_for_data changes.
10368         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
10369         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
10370         unsigned long long.  Allocate loops array, pass it to
10371         extract_omp_for_data.  For collapse > 1 loops use always
10372         expand_omp_for_generic.
10373         (omp_context): Add sfield_map and srecord_type fields.
10374         (is_task_ctx, lookup_sfield): New functions.
10375         (use_pointer_for_field): Use is_task_ctx helper.  Change first
10376         argument's type from const_tree to tree.  Clarify comment.
10377         In OMP_TASK disallow copy-in/out sharing.
10378         (build_sender_ref): Call lookup_sfield instead of lookup_field.
10379         (install_var_field): Add mask argument.  Populate both record_type
10380         and srecord_type if needed.
10381         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
10382         in srecord_type.
10383         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
10384         and DECL_FIELD_OFFSET.
10385         (scan_sharing_clauses): Adjust install_var_field callers.  For
10386         firstprivate clauses on explicit tasks allocate the var by value in
10387         record_type unconditionally, rather than by reference.
10388         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
10389         Use is_taskreg_ctx instead of is_parallel_ctx.
10390         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
10391         (create_omp_child_function_name): Add task_copy argument, use
10392         *_omp_cpyfn* names if it is true.
10393         (create_omp_child_function): Add task_copy argument, if true create
10394         *_omp_cpyfn* helper function.
10395         (scan_omp_parallel): Adjust create_omp_child_function callers.
10396         Rename parallel_nesting_level to taskreg_nesting_level.
10397         (scan_omp_task): New function.
10398         (lower_rec_input_clauses): Don't run constructors for firstprivate
10399         explicit task vars which are initialized by *_omp_cpyfn*.
10400         Pass outer var ref to omp_clause_default_ctor hook if
10401         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
10402         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
10403         OMP_CLAUSE_REDUCTION_INIT.
10404         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
10405         avoid duplicate setting of fields.  Handle
10406         OMP_CLAUSE_PRIVATE_OUTER_REF.
10407         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
10408         copy-out if TREE_READONLY, only copy-in.
10409         (expand_task_copyfn): New function.
10410         (expand_task_call): New function.
10411         (struct omp_taskcopy_context): New type.
10412         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
10413         New functions.
10414         (lower_omp_parallel): Rename to...
10415         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
10416         Call create_task_copyfn if srecord_type is needed.  Adjust
10417         sender_decl type.
10418         (task_shared_vars): New variable.
10419         (check_omp_nesting_restrictions): Warn if work-sharing,
10420         barrier, master or ordered region is closely nested inside OMP_TASK.
10421         Add warnings for barrier if closely nested inside of work-sharing,
10422         ordered, or master region.
10423         (scan_omp_1): Call check_omp_nesting_restrictions even for
10424         GOMP_barrier calls.  Rename parallel_nesting_level to
10425         taskreg_nesting_level.  Handle OMP_TASK.
10426         (lower_lastprivate_clauses): Even if some lastprivate is found on a
10427         work-sharing construct, continue looking for them on parent parallel
10428         construct.
10429         (lower_omp_for_lastprivate): Add lastprivate clauses
10430         to the beginning of dlist rather than end.  Adjust for struct
10431         omp_for_data changes.
10432         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
10433         not after it.  Handle collapsed OMP_FOR loops, adjust for
10434         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
10435         (get_ws_args_for): Adjust extract_omp_for_data caller.
10436         (scan_omp_for): Handle collapsed OMP_FOR
10437         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
10438         (lower_omp_single_simple): If libgomp function doesn't return
10439         boolean_type_node, add comparison of the return value with 0.
10440         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
10441         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
10442         (parallel_nesting_level): Rename to...
10443         (taskreg_nesting_level): ... this.
10444         (is_taskreg_ctx): New function.
10445         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
10446         of is_parallel_ctx.
10447         (execute_lower_omp): Rename parallel_nesting_level to
10448         taskreg_nesting_level.
10449         (expand_omp_parallel): Rename to...
10450         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
10451         Call omp_task_call for OMP_TASK regions.
10452         (expand_omp): Adjust caller, handle OMP_TASK.
10453         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
10454
10455         * bitmap.c (bitmap_default_obstack_depth): New variable.
10456         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
10457         if argument is NULL and bitmap_default_obstack is already initialized.
10458         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
10459         at the end.
10460         * matrix-reorg.c (matrix_reorg): Likewise.
10461
10462 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
10463
10464         * config/i386/i386.md (*indirect_jump): Macroize using P
10465         mode iterator.  Remove !TARGET_64BIT from insn constraints.
10466         (*tablejump_1): Ditto.
10467         (*indirect_jump_rex64): Remove insn pattern.
10468         (*tablejump_1_rex64): Ditto.
10469         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
10470         and eh_return_si insn patterns.
10471
10472 2008-06-06  Richard Guenther  <rguenther@suse.de>
10473
10474         * tree-ssa-structalias.c (merge_smts_into): Remove.
10475         (find_what_p_points_to): Do not bother to compute the
10476         points-to set for pt_anything pointers.
10477         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
10478         for pt_anything pointers is ok.
10479
10480 2008-06-06  Jan Hubicka  <jh@suse.cz>
10481
10482         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
10483
10484 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10485
10486         * cgraph.c: Fix typos in comments.
10487         (cgraph_availability_names): Fix string typo.
10488         * fold-const.c: Fix typos in comments.
10489         (fold_binary): Fix typo in warning.
10490         * genautomata.c: Fix typos in comments.
10491         (check_presence_pattern_sets): Fix typo in local variable.
10492         (output_description): Fix typo in output.
10493         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
10494         * hwint.h: Likewise.
10495         * matrix-reorg.c (check_allocation_function): Likewise.
10496         * omega.c (smooth_weird_equations): Likewise.
10497         * auto-inc-dec.c: Fix typos in comments.
10498         * bb-reorder.c: Likewise.
10499         * builtins.c: Likewise.
10500         * c-common.c: Likewise.
10501         * c-cppbuiltin.c: Likewise.
10502         * c-parser.c: Likewise.
10503         * c-pretty-print.c: Likewise.
10504         * cfgcleanup.c: Likewise.
10505         * cfgexpand.c: Likewise.
10506         * cfghooks.c: Likewise.
10507         * cfglayout.c: Likewise.
10508         * cfgloopmanip.c: Likewise.
10509         * cgraphunit.c: Likewise.
10510         * coverage.c: Likewise.
10511         * dbxout.c: Likewise.
10512         * df-byte-scan.c: Likewise.
10513         * df-core.c: Likewise.
10514         * df-problems.c: Likewise.
10515         * df-scan.c: Likewise.
10516         * dfp.c: Likewise.
10517         * dominance.c: Likewise.
10518         * domwalk.c: Likewise.
10519         * dse.c: Likewise.
10520         * dwarf2out.c: Likewise.
10521         * emit-rtl.c: Likewise.
10522         * et-forest.c: Likewise.
10523         * function.c: Likewise.
10524         * function.h: Likewise.
10525         * gcc.c: Likewise.
10526         * gcov-io.c: Likewise.
10527         * gcov.c: Likewise.
10528         * gcse.c: Likewise.
10529         * genattrtab.c: Likewise.
10530         * ggc-page.c: Likewise.
10531         * gimplify.c: Likewise.
10532         * gthr-lynx.h: Likewise.
10533         * haifa-sched.c: Likewise.
10534         * ipa-cp.c: Likewise.
10535         * ipa-inline.c: Likewise.
10536         * ipa-prop.h: Likewise.
10537         * ipa-pure-const.c: Likewise.
10538         * ipa-struct-reorg.c: Likewise.
10539         * ipa-struct-reorg.h: Likewise.
10540         * ipa-type-escape.c: Likewise.
10541         * ipa.c: Likewise.
10542         * loop-doloop.c: Likewise.
10543         * mips-tfile.c: Likewise.
10544         * mkmap-flat.awk: Likewise.
10545         * mkmap-symver.awk: Likewise.
10546         * modulo-sched.c: Likewise.
10547         * omp-low.c: Likewise.
10548         * optabs.c: Likewise.
10549         * optabs.h: Likewise.
10550         * opts.c: Likewise.
10551         * passes.c: Likewise.
10552         * postreload-gcse.c: Likewise.
10553         * postreload.c: Likewise.
10554         * predict.c: Likewise.
10555         * pretty-print.h: Likewise.
10556         * profile.c: Likewise.
10557         * protoize.c: Likewise.
10558         * ra-conflict.c: Likewise.
10559         * real.c: Likewise.
10560         * recog.c: Likewise.
10561         * regclass.c: Likewise.
10562         * regs.h: Likewise.
10563         * reload.c: Likewise.
10564         * rtl-error.c: Likewise.
10565         * rtlanal.c: Likewise.
10566         * scan.h: Likewise.
10567         * sched-rgn.c: Likewise.
10568         * see.c: Likewise.
10569         * stmt.c: Likewise.
10570         * target.h: Likewise.
10571         * tree-dfa.c: Likewise.
10572         * tree-eh.c: Likewise.
10573         * tree-flow-inline.h: Likewise.
10574         * tree-inline.c: Likewise.
10575         * tree-into-ssa.c: Likewise.
10576         * tree-loop-distribution.c: Likewise.
10577         * tree-nested.c: Likewise.
10578         * tree-parloops.c: Likewise.
10579         * tree-pass.h: Likewise.
10580         * tree-pretty-print.c: Likewise.
10581         * tree-profile.c: Likewise.
10582         * tree-scalar-evolution.c: Likewise.
10583         * tree-sra.c: Likewise.
10584         * tree-ssa-alias-warnings.c: Likewise.
10585         * tree-ssa-ccp.c: Likewise.
10586         * tree-ssa-coalesce.c: Likewise.
10587         * tree-ssa-dom.c: Likewise.
10588         * tree-ssa-dse.c: Likewise.
10589         * tree-ssa-forwprop.c: Likewise.
10590         * tree-ssa-live.c: Likewise.
10591         * tree-ssa-live.h: Likewise.
10592         * tree-ssa-loop-im.c: Likewise.
10593         * tree-ssa-loop-ivopts.c: Likewise.
10594         * tree-ssa-loop-niter.c: Likewise.
10595         * tree-ssa-loop-prefetch.c: Likewise.
10596         * tree-ssa-phiopt.c: Likewise.
10597         * tree-ssa-phiprop.c: Likewise.
10598         * tree-ssa-sccvn.c: Likewise.
10599         * tree-ssa-ter.c: Likewise.
10600         * tree-ssa-threadupdate.c: Likewise.
10601         * tree-ssa.c: Likewise.
10602         * tree-vect-analyze.c: Likewise.
10603         * tree-vect-transform.c: Likewise.
10604         * tree-vectorizer.c: Likewise.
10605         * tree-vn.c: Likewise.
10606         * tree-vrp.c: Likewise.
10607         * tree.c: Likewise.
10608         * tree.def: Likewise.
10609         * tree.h: Likewise.
10610         * unwind-dw2-fde.c: Likewise.
10611         * unwind.inc: Likewise.
10612         * value-prof.c: Likewise.
10613         * vmsdbgout.c: Likewise.
10614
10615 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
10616
10617         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
10618         always place FP constants in the TOC for TARGET_POWERPC64.
10619         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
10620
10621 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
10622
10623         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
10624         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
10625         enable for TARGET_E500_DOUBLE.
10626         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
10627         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
10628         floating-point modes like integer modes for E500 double.
10629         (rs6000_legitimate_offset_address_p): Likewise.
10630         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
10631         addressing for DDmode for E500 double.
10632         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
10633         modes as using 64-bits of registers for E500 double.
10634         (spe_build_register_parallel): Do not handle DDmode or TDmode.
10635         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
10636         specially for E500 double.
10637         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
10638         TDmode for E500 double.
10639         (rs6000_gimplify_va_arg): Only handle SDmode in registers
10640         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
10641         (rs6000_split_multireg_move): Do not handle TDmode specially for
10642         E500 double.
10643         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
10644         using 64-bit registers for E500 double.
10645         (emit_frame_save): Do not handle DDmode specially for E500 double.
10646         (gen_frame_mem_offset): Likewise.
10647         (rs6000_function_value): Do not call spe_build_register_parallel
10648         for DDmode or TDmode.
10649         (rs6000_libcall_value): Likewise.
10650         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
10651         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
10652         for E500 double.
10653
10654 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
10655
10656         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
10657         in comments.
10658
10659 2008-06-04  Junjie Gu <jgu@tensilica.com>
10660
10661         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
10662         comparison for frame pointers.
10663
10664 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
10665
10666         PR target/27386
10667         * config/avr/avr.h (PUSH_ROUNDING): Remove.
10668
10669 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
10670
10671         PR target/30243
10672         * builtins.c (expand_builtin_signbit): Don't take lowpart when
10673         register is already smaller or equal to required mode.
10674
10675 2008-06-04  Xinliang David Li  <davidxl@google.com>
10676
10677         * tree-call-cdce.c: New file.
10678         (cond_dead_built_in_calls): New static variable.
10679         (input_domain): New struct.
10680         (check_pow): New function.
10681         (check_builtin_call): Ditto.
10682         (check_target_format): Ditto.
10683         (is_call_dce_candidate): Ditto.
10684         (gen_one_condition): Ditto.
10685         (gen_conditions_for_domain): Ditto.
10686         (get_domain): Ditto.
10687         (gen_conditions_for_pow_cst_base): Ditto.
10688         (gen_conditions_for_pow_int_base): Ditto.
10689         (gen_conditions_for_pow): Ditto.
10690         (get_no_error_domain): Ditto.
10691         (gen_shrink_wrap_conditions): Ditto.
10692         (shrink_wrap_one_built_in_call): Ditto.
10693         (shink_wrap_conditional_dead_built_in_calls): Ditto.
10694         (tree_call_cdce): Ditto.
10695         (gate_call_cdce): Ditto.
10696         (pass_call_cdce): New gimple pass.
10697         * passes.c: (init_optimization_passes): New pass.
10698         * tree-pass.h: New pass declaration.
10699         * opts.c (decode_options): New flag setting.
10700         * common.opt: Add -ftree-builtin-call-dce flag.
10701         * Makefile.in: Add new source file.
10702         * tempvar.def: New tv_id.
10703         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
10704
10705 2008-06-04  Richard Guenther  <rguenther@suse.de>
10706
10707         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
10708         (is_call_clobbered): Always check var_ann->call_clobbered.
10709         (mark_call_clobbered): Always set var_ann->call_clobbered.
10710         (clear_call_clobbered): Always clear var_ann->call_clobbered.
10711         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
10712         (reset_alias_info): Clear call clobbering info on MTAGs and
10713         globals as well.
10714         (set_pt_anything): Set pt_global_mem.
10715         (create_tag_raw): Adjust comment.
10716         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
10717
10718 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
10719             Maxim Kuvyrkov  <maxim@codesourcery.com>
10720
10721         * config/m68k/m68k.opt (mxgot): New option.
10722         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
10723         (m68k_output_addr_const_extra): New.
10724         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
10725         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
10726         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
10727         * doc/invoke.texi (M680x0 Options): Document -mxgot.
10728
10729 2008-06-04  Richard Guenther  <rguenther@suse.de>
10730
10731         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
10732         negative or non-representable offsets.
10733
10734 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
10735
10736         * config/i386/i386.c (ix86_gen_leave): New.
10737         (ix86_gen_pop1): Likewise.
10738         (ix86_gen_add3): Likewise.
10739         (ix86_gen_sub3): Likewise.
10740         (ix86_gen_sub3_carry): Likewise.
10741         (ix86_gen_one_cmpl2): Likewise.
10742         (ix86_gen_monitor): Likewise.
10743         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
10744         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
10745         ix86_gen_one_cmpl2 and ix86_gen_monitor.
10746         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
10747         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
10748         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
10749         (ix86_expand_epilogue): Updated.
10750         (print_operand): Handle integer register operand for 'z'.
10751         (ix86_expand_strlensi_unroll_1): Likewise.
10752         (ix86_expand_strlen): Likewise.
10753         (ix86_expand_builtin): Likewise.
10754         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
10755         mov{q}/mov{l} and add{q}/add{l}.
10756
10757 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
10758
10759         * config/i386/i386.md (P): New mode iterator.
10760         (SFmode push_operand splitter): Macroize DImode and SImode pushes
10761         using P mode iterator.
10762         (DFmode push_operand splitter): Ditto.
10763         (XFmode push_operand splitter): Ditto.
10764         (DFmode float_extend SFmode push_operand splitter): Ditto.
10765         (XFmode float_extend SFmode push_operand splitter): Do not generate
10766         SImode pushes for 64bit target.  Macroize Dimode and SImode
10767         pushes using P mode iterator.
10768         (XFmode float_extend DFmode push_operand splitter): Ditto.
10769
10770 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
10771
10772         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
10773         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
10774         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
10775         return type to int.
10776         (ix86_call_abi_override): Remove check for call_used_regs.
10777
10778 2008-06-03  Richard Guenther  <rguenther@suse.de>
10779
10780         * tree-ssa-structalias.c (find_func_aliases): Add constraints
10781         for the lhs of calls if the return type contains pointers.
10782
10783 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
10784
10785         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
10786         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
10787         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
10788         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
10789         of cfun and DEFAULT_ABI to deceide abi mode.
10790         (DEFAULT_ABI): New.
10791         (REG_PARM_STACK_SPACE): Removed.
10792         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
10793         (STACK_BOUNDARY): Use default target to deceide stack boundary.
10794         * config/i386/i386-protos.h (ix86_cfun_abi): New.
10795         (ix86_function_abi): Likewise.
10796         (ix86_function_type_abi): Likewise.
10797         (ix86_call_abi_override): Likewise.
10798         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
10799         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
10800         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
10801         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
10802         specific defines.
10803         (X86_64_REGPARM_MAX): New.
10804         (X86_64_SSE_REGPARM_MAX): New.
10805         (X64_REGPARM_MAX): New.
10806         (X64_SSE_REGPARM_MAX): New.
10807         (X86_32_REGPARM_MAX): New.
10808         (X86_32_SSE_REGPARM_MAX): New.
10809         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
10810         (ix86_function_regparm): Handle user calling abi.
10811         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
10812         by DEFAULT_ABI versus SYSV_ABI check.
10813         (ix86_reg_parm_stack_space): New.
10814         (ix86_function_type_abi): New.
10815         (ix86_call_abi_override): New.
10816         (ix86_function_abi): New.
10817         (ix86_cfun_abi): New.
10818         (init_cumulative_args): Call abi specific initialization.
10819         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
10820         (function_arg_64): Extend SSE_REGPARM_MAX check.
10821         (function_arg (): Remove TARGET_64BIT_MS_ABI.
10822         (ix86_pass_by_reference): Likewise.
10823         (ix86_function_value_regno_p): Likewise.
10824         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
10825         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
10826         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
10827         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
10828         (setup_incoming_varargs_64): Adjust regparm for call abi.
10829         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
10830         (ix86_va_start): Likewise.
10831         (ix86_gimplify_va_arg): Likewise.
10832         (ix86_expand_prologue): Likewise.
10833         (output_pic_addr_const): Likewise.
10834         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
10835         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
10836         (x86_output_mi_thunk): Likewise.
10837         (x86_function_profiler): Likewise.
10838         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
10839         (SYSV_ABI, MS_ABI): New constants.
10840         (DEFAULT_ABI): New.
10841         (init_regs): Add prototype of function in regclass.c file.
10842         (OVERRIDE_ABI_FORMAT): New.
10843         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
10844         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
10845         (OUTGOING_REG_PARM_STACK_SPACE): New.
10846         (ix86_reg_parm_stack_space): New prototype.
10847         (CUMULATIVE_ARGS): Add call_abi member.
10848         (machine_function): Add call_abi member.
10849         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
10850         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
10851
10852 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com>
10853
10854         PR target/34879
10855         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
10856         (avr_builtin_setjmp_frame_value): New function.
10857         * config/avr/avr.md (nonlocal_goto_receiver): Define.
10858         (nonlocal_goto): Define.
10859
10860 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
10861
10862         * config/mips/mips.c (mips_emit_loadgp): Return early if
10863         there is nothing do to, otherwise emit a blockage if
10864         !TARGET_EXPLICIT_RELOCS || crtl->profile.
10865         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
10866
10867 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10868
10869         * configure.ac: Drop unneeded backslash ending up in config.in.
10870         * acinclude.m4: Likewise.
10871         * config.in: Regenerate.
10872
10873 2008-05-26  Jan Hubicka  <jh@suse.cz>
10874
10875         * predict.c (maybe_hot_frequency_p): Break out of...
10876         (maybe_hot_bb_p): ... here.
10877         (maybe_hot_edge_p): New.
10878         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
10879         * basic-block.h (maybe_hot_edge_p): Declare.
10880
10881 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
10882
10883         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
10884         (*cmpfp_<mode>_cc): Ditto.
10885         (*fp_jcc_8<mode>_387): Ditto.
10886         (*fop_<MODEF:mode>_2_i387): Ditto.
10887         (*fop_<MODEF:mode>_3_i387): Ditto.
10888         (*fop_xf_2_i387): Ditto.
10889         (*fop_xf_3_i387): Ditto.
10890
10891 2008-06-02  Tomas Bily  <tbily@suse.cz>
10892
10893         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
10894
10895 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
10896
10897         * config/mips/mips.c (mips_valid_offset_p): New function.
10898         (mips_valid_lo_sum_p): Likewise.
10899         (mips_classify_address): Use them.
10900         (mips_force_address): New function.
10901         (mips_legitimize_address): Use it.
10902         * config/mips/mips.md (MOVE128): New mode iterator.
10903         (movtf): Require TARGET_64BIT.  Remove empty strings.
10904         (*movtf_internal): Rename to...
10905         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
10906         of "R" and use {,fp}{load,store} attributes instead of "multi".
10907         Use a separate define_split.
10908         (*movtf_mips16): New pattern.
10909
10910 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
10911
10912         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
10913         * config/mips/mips.c (mips_expand_before_return): New function.
10914         (mips_expand_epilogue): Call it.
10915         * config/mips/mips.md (return): Turn into a define_expand.
10916         (*return): New insn.
10917
10918 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
10919
10920         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
10921         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
10922         functions.  Do not emit uses and clobbers of CONCATs; individually
10923         use and clobber their operands.
10924         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
10925         gen_clobber, emit_use and gen_use.
10926         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
10927         (expand_builtin_return): Likewise.
10928         * cfgbuild.c (count_basic_blocks): Likewise.
10929         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
10930         * explow.c (emit_stack_restore): Likewise.
10931         * expmed.c (extract_bit_field_1): Likewise.
10932         * expr.c (convert_move, emit_move_complex_parts): Likewise.
10933         (emit_move_multi_word, store_constructor): Likewise.
10934         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
10935         (thread_prologue_and_epilogue_insns): Likewise.
10936         * lower-subreg.c (resolve_simple_move): Likewise.
10937         * optabs.c (widen_operand, expand_binop): Likewise.
10938         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
10939         * reload.c (find_reloads): Likewise.
10940         * reload1.c (eliminate_regs_in_insn): Likewise.
10941         * stmt.c (expand_nl_goto_receiver): Likewise.
10942         * config/alpha/alpha.md (builtin_longjmp): Likewise.
10943         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
10944         * config/arm/arm.c (arm_load_pic_register): Likewise.
10945         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
10946         * config/arm/arm.md (untyped_return): Likewise.
10947         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
10948         * config/avr/avr.c (expand_prologue): Likewise.
10949         * config/bfin/bfin.c (do_unlink): Likewise.
10950         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
10951         * config/cris/cris.c (cris_expand_prologue): Likewise.
10952         * config/darwin.c (machopic_indirect_data_reference): Likewise.
10953         (machopic_legitimize_pic_address): Likewise.
10954         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
10955         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
10956         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
10957         (ix86_expand_convert_uns_didf_sse): Likewise.
10958         (ix86_expand_vector_init_general): Likewise.
10959         * config/ia64/ia64.md (eh_epilogue): Likewise.
10960         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
10961         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
10962         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
10963         (config/iq2000/iq2000.c): Likewise.
10964         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
10965         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
10966         (builtin_longjmp): Likewise.
10967         * config/mn10300/mn10300.md (call, call_value): Likewise.
10968         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
10969         * config/pdp11/pdp11.md (abshi2): Likewise.
10970         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
10971         * config/s390/s390.c (s390_emit_prologue): Likewise.
10972         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
10973         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
10974         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
10975         * config/sh/sh.c (prepare_move_operands): Likewise.
10976         (output_stack_adjust, sh_expand_epilogue): Likewise.
10977         (sh_set_return_address, sh_expand_t_scc): Likewise.
10978         * config/sparc/sparc.c (load_pic_register): Likewise.
10979         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
10980         * config/spu/spu.c (spu_expand_epilogue): Likewise.
10981         * config/v850/v850.c (expand_epilogue): Likewise.
10982
10983 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
10984
10985         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
10986         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
10987         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
10988         * config/avr/avr.c (expand_prologue, expand_epilogue): Use
10989         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the
10990         stack pointer register.
10991         (output_movhi): Remove code for interrupt specific writing to the
10992         stack pointer register.
10993
10994 2008-05-31  Richard Guenther  <rguenther@suse.de>
10995
10996         PR tree-optimization/34244
10997         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
10998         (tree_expr_nonzero_warnv_p): Likewise.
10999         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
11000         ssa_name_nonnegative_p.
11001         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
11002         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
11003         not tree_expr_nonzero_warnv_p.
11004
11005         PR tree-optimization/36262
11006         Revert
11007         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
11008
11009         PR tree-optimization/34244
11010         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
11011         (record_numbers_of_iterations): New function.
11012         (execute_vrp): Cache the numbers of iterations of loops.
11013         * tree-scalar-evolution.c (scev_reset_except_niters):
11014         New function.
11015         (scev_reset): Use scev_reset_except_niters.
11016         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
11017
11018 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
11019
11020         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11021         __WORKAROUND_RETS when appropriate.
11022
11023 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
11024
11025         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
11026         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
11027         mode iterator.
11028         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
11029         *fop_df_comm_sse insn patterns using MODEF mode iterator.
11030         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
11031         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
11032         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
11033         *fop_df_1_mixed insn patterns using MODEF mode iterator.
11034         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
11035         *fop_df_1_sse insn patterns using MODEF mode iterator.
11036         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
11037         *fop_df_1_i387 insn patterns using MODEF mode iterator.
11038         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
11039         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
11040         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
11041         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
11042         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
11043         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
11044         (*fop_xf_4_i387): Use <MODE> for mode attribute.
11045         (*fop_xf_5_i387): Ditto.
11046         (*fop_xf_6_i387): Ditto.
11047
11048 2008-05-30  Richard Guenther  <rguenther@suse.de>
11049
11050         * builtins.c (build_string_literal): Avoid generating
11051         a non-gimple_val result.
11052
11053 2008-05-30  DJ Delorie  <dj@redhat.com>
11054
11055         * exec-tool.in: Use an environment variable (private) instead of a
11056         file (shared) as a semaphore, so as to not break parallel builds.
11057
11058 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
11059
11060         * optabs.c (maybe_encapsulate_block): Remove.
11061         (emit_libcall_block): Adjust accordingly.
11062         * optabs.h (maybe_encapsulate_block): Remove prototype.
11063
11064         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
11065         Don't use maybe_encapsulate_block.
11066
11067 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
11068
11069         * config/rs6000/rs6000.c (rs6000_legitimize_address,
11070         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
11071         rtx is a SYMBOL_REF before calling get_pool_constant.
11072
11073 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
11074
11075         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
11076
11077 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
11078
11079         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
11080         rather than OS names to choose INO_T_EQ definition.
11081         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
11082         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
11083
11084 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
11085
11086         PR target/36348
11087         * config/darwin-f.c: New.
11088         * config/t-darwin: Added rule to build darwin-f.o.
11089         * config.gcc: Defined new variable, fortran_target_objs.
11090         (*-*-darwin*): Set fortran_target_objs.
11091         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
11092         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
11093         * configure: Regenerated.
11094
11095 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
11096
11097         PR target/35771
11098         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
11099         canonical type if needed.
11100
11101 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
11102
11103         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
11104
11105 2008-05-29  Richard Guenther  <rguenther@suse.de>
11106
11107         PR tree-optimization/36343
11108         PR tree-optimization/36346
11109         PR tree-optimization/36347
11110         * tree-flow.h (clobber_what_p_points_to): Declare.
11111         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
11112         pointed-to variable is dereferenced is irrelevant to whether
11113         the pointer can access the pointed-to variable.
11114         (clobber_what_p_points_to): New function.
11115         * tree-ssa-alias.c (set_initial_properties): Use it.
11116         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
11117         call clobber check for NMTs.
11118
11119 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
11120
11121         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
11122         for printing gcov_type.
11123
11124 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
11125
11126         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
11127         and the eh region information.
11128         * value-prof.c (gimple_move_stmt_histograms): New function.
11129         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
11130
11131 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
11132
11133         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
11134
11135 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
11136
11137         * value-prof.c (tree_ic_transform): Print counts.
11138         * tree-profile.c (tree_gen_ic_func_profiler):
11139         Clear __gcov_indreict_call_callee variable to avoid misattribution
11140         of the profile.
11141
11142 2008-05-28  Rafael Espindola  <espindola@google.com>
11143
11144         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
11145         invalid sharing.
11146
11147 2008-05-28  Richard Guenther  <rguenther@suse.de>
11148
11149         PR tree-optimization/36339
11150         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
11151         and clobbering code out of the loop.
11152
11153 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
11154
11155         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
11156         letters defined.
11157
11158         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
11159         s390_contiguous_bitmask_p, s390_symref_operand_p,
11160         s390_check_symref_alignment, s390_reload_larl_operand,
11161         s390_reload_symref_address): New functions.
11162         (s390_branch_condition_mnemonic): Support compare and branch
11163         instructions.
11164         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
11165         and 'W' constraints.
11166         (s390_secondary_reload): Add secondary reloads for unaligned
11167         symbol refs or symbol refs to floating point or QI/TI mode
11168         integer values.
11169         (legitimate_address_p): Accept symbol references as addresses.
11170         (s390_expand_insv): Use rotate and insert selected bits
11171         instruction for insv when building for z10.
11172         (print_operand_address): Handle symbol ref addresses.
11173         (print_operand): Output modifier 'c' added for signed byte values.
11174         (s390_encode_section_info): Mark symbol refs with
11175         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
11176
11177         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
11178         (length attribute): RRF, RRR have 4 byte length.
11179         (FPALL, INTALL): New mode iterators added.
11180         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
11181         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
11182         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
11183         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
11184         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
11185         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
11186         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
11187         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
11188         instructions.
11189         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
11190         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
11191         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
11192         reload<INTALL:mode><P:mode>_toreg_z10,
11193         reload<FPALL:mode><P:mode>_tomem_z10,
11194         reload<FPALL:mode><P:mode>_toreg_z10,
11195         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
11196         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
11197         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
11198         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
11199         definition.
11200         (movmem, clrmem, cmpmem): New splitters added.
11201
11202         * config/s390/predicates.md (larl_operand): Use
11203         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
11204         SYMBOL_REF_ALIGN1_P.
11205         (s390_signed_integer_comparison,
11206         s390_unsigned_integer_comparison): New predicates.
11207
11208         * config/s390/s390-protos.h (s390_check_symref_alignment,
11209         s390_contiguous_bitmask_p, s390_reload_larl_operand,
11210         s390_reload_symref_address,
11211         s390_compare_and_branch_condition_mask): Prototypes added.
11212
11213         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
11214         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
11215         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
11216
11217 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
11218
11219         * config/s390/s390.c (z10_cost): New cost function for z10.
11220         (s390_handle_arch_option, override_options): Support -march=z10 switch.
11221         (s390_issue_rate): Adjust issue rate for z10.
11222         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
11223         (processor_flags): Add PF_Z10.
11224         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
11225         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
11226         * gcc/config.gcc: Add z10.
11227
11228 2008-05-28  Richard Guenther  <rguenther@suse.de>
11229
11230         PR tree-optimization/36291
11231         * tree-flow. h (struct gimple_df): Remove var_anns member.
11232         * tree-flow-inline.h (gimple_var_anns): Remove.
11233         (var_ann): Simplify.
11234         * tree-dfa.c (create_var_ann): Simplify.
11235         (remove_referenced_var): Clear alias info from var_anns of globals.
11236         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
11237         (delete_tree_ssa): Clear alias info from var_anns of globals.
11238         Do not free var_anns.
11239         (var_ann_eq): Remove.
11240         (var_ann_hash): Likewise.
11241
11242 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
11243
11244         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
11245         and loongson2f entries.
11246         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
11247         * config/mips/mips.h (processor_type): Add Loongson-2E
11248         and Loongson-2F entries.
11249         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
11250         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
11251         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
11252         * doc/invoke.texi (MIPS Options): Document loongson2e
11253         and loongson2f processor names.
11254
11255 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
11256
11257         PR target/35767
11258         PR target/35771
11259         * config/i386/i386.c (ix86_function_arg_boundary): Use
11260         alignment of canonical type.
11261         (ix86_expand_vector_move): Check unaligned memory access for
11262         all SSE modes.
11263
11264 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
11265
11266         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
11267         Moved to the front of file.
11268
11269 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
11270             H.J. Lu  <hongjiu.lu@intel.com>
11271
11272         * dwarf2out.c (current_fde): New.
11273         (add_cfi): Use it.
11274         (lookup_cfa:): Likewise.
11275         (dwarf2out_end_epilogue): Likewise.
11276         (dwarf2out_note_section_used): Likewise.
11277
11278 2008-05-27  Michael Matz  <matz@suse.de>
11279
11280         PR c++/27975
11281         * c.opt (Wenum-compare): New warning option.
11282         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
11283
11284 2008-05-27  Michael Matz  <matz@suse.de>
11285
11286         PR middle-end/36326
11287         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
11288         non-BLKmode types.
11289         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
11290         into memory as tail calls.
11291
11292 2008-05-27  Richard Guenther  <rguenther@suse.de>
11293
11294         PR tree-optimization/36339
11295         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
11296         pointers cause all addressable variables to be call clobbered.
11297
11298 2008-05-27  Richard Guenther  <rguenther@suse.de>
11299
11300         PR tree-optimization/36245
11301         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
11302
11303 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
11304
11305         * config/s390/s390.md: Replace all occurences of the 'm'
11306         constraint with 'RT'.
11307
11308 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
11309
11310         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
11311         definitions added.
11312         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
11313         "*movdi_64".
11314         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
11315         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
11316         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
11317
11318 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
11319
11320         * reload.c: (find_reloads): Skip alternatives according to the
11321         "enabled" attribute. Constify the constraint variable.
11322         * recog.c (get_attr_enabled): Add default implementation.
11323         (extract_insn): Set the alternative_enabled_p array
11324         in the recog_data struct.
11325         (preprocess_constraints, constrain_operands): Skip
11326         alternatives according to the "enabled" attribute
11327         * recog.h (struct recog_data): New field alternative_enabled_p.
11328         (skip_alternative): New inline function.
11329         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
11330         (record_reg_classes): Skip alternative according to the
11331         "enabled" attribute.
11332
11333         * doc/md.texi: Add documention for the "enabled" attribute.
11334
11335 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
11336
11337         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
11338         * postreload.c (reload_cse_simplify_operands): Replace 'm'
11339         constraint with TARGET_MEM_CONSTRAINT.
11340         * recog.c (asm_operand_ok, preprocess_constraints,
11341         constrain_operands): Likewise.
11342         * regclass.c (record_reg_classes): Likewise.
11343         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
11344         * reload1.c (maybe_fix_stack_asms): Likewise.
11345         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
11346         * recog.h: Adjust comment.
11347         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
11348         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
11349         * doc/md.texi: Add a note to description of 'm' constraint.
11350         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
11351
11352 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
11353
11354         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
11355         that the bitfield is of integral type before testing its precision.
11356
11357 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
11358             Sa Liu  <saliu@de.ibm.com>
11359
11360         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
11361         __modti3, __udivti3, __umodti3 and __udivmodti4.
11362         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
11363         that implement TImode mul and div functions.
11364         * config/spu/multi3.c: New. Implement __multi3.
11365         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
11366         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
11367         functions on SPU.
11368
11369 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
11370
11371         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
11372         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
11373         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
11374         tls_sysv_suffix): New mode and mode attribute iterators.
11375         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
11376         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
11377         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
11378         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
11379         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
11380         iterators.
11381
11382 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
11383
11384         PR tree-optimization/36329
11385         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
11386         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
11387         * cgraphbuild.c (initialize_inline_failed): Use the latter
11388         macro in lieu of the former.
11389         * ipa-inline.c (cgraph_mark_inline): Likewise.
11390         (cgraph_decide_inlining_of_small_function): Likewise.
11391         (cgraph_decide_inlining): Likewise.
11392         (cgraph_decide_inlining_incrementally): Likewise.
11393
11394 2008-05-26  Tristan Gingold  <gingold@adacore.com>
11395             Anatoly Sokolov  <aesok@post.ru>
11396
11397         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
11398         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
11399         * config/avr/avr.c (expand_prologue): Tune "call_prologue"
11400         optimization for 'avr6' architecture.
11401
11402 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
11403
11404         PR target/34932
11405         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
11406
11407 2008-05-26  Richard Guenther  <rguenther@suse.de>
11408
11409         * tree-ssa-sccvn.c (expr_has_constants): Declare.
11410         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
11411
11412 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
11413
11414         PR middle-end/36253
11415         * caller-save.c (insert_restore): Verify alignment of spill space.
11416         (insert_save): Likewise.
11417         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
11418         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
11419         (STACK_SLOT_ALIGNMENT): Likewise.
11420         * function.c (LOCAL_ALIGNMENT): Removed.
11421         (get_stack_local_alignment): New.
11422         (assign_stack_local): Use it.  Set alignment on stack slot.
11423         (assign_stack_temp_for_type): Use get_stack_local_alignment.
11424         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
11425         (STACK_SLOT_ALIGNMENT): New.
11426         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
11427         stack slot in XFmode.
11428
11429         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
11430
11431 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
11432
11433         PR/36321
11434         * config/i386/i386.md (allocate_stack_worker_64): Make sure
11435         argument operand in rax isn't removed.
11436
11437 2008-05-26  Richard Guenther  <rguenther@suse.de>
11438
11439         PR middle-end/36300
11440         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
11441         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
11442
11443 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
11444
11445         PR bootstrap/36331
11446         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
11447
11448 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
11449
11450         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
11451         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
11452
11453 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
11454
11455         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
11456         build a trampoline if we don't want one.
11457         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
11458         return zero for nested functions if we don't want a trampoline.
11459
11460 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
11461
11462         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
11463
11464 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
11465
11466         PR fortran/18428
11467         * c.opt: Removed undocumented option '-lang-fortran'.
11468         * c-common.h: Removed global variable 'lang_fortran'.
11469         * c-opts.c (c_common_handle_option): Removed code to handle
11470         option '-lang-fortran'. Updated includes.
11471         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
11472         definition of '__GFORTRAN__'.
11473         (define__GNUC__): Reimplemented to use BASEVER and
11474         cpp_define_formatted.
11475         (builtin_define_with_value_n): Removed.
11476         * c-incpath.h: Renamed to ...
11477         * incpath.h: ... this.
11478         * c-incpath.c: Renamed to ...
11479         * incpath.c: ... this. Updated includes.
11480         * fix-header.c: Updated includes.
11481         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
11482         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
11483         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
11484
11485 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
11486
11487         * tree.h: Update the table of flags used on tree nodes.
11488         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
11489         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
11490         (FORCED_LABEL): Add access check.
11491         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
11492         (ASM_INPUT_P): Likewise.
11493         (ASM_VOLATILE_P): Likewise.
11494         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
11495         (OMP_SECTION_LAST): Access private_flag directly.
11496         (OMP_RETURN_NOWAIT): Likewise.
11497         (OMP_PARALLEL_COMBINED): Likewise.
11498         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
11499         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
11500         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
11501         deprecated_flag directly.
11502
11503 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
11504
11505         * final.c (frame_pointer_needed): Removed.
11506         * flags.h (frame_pointer_needed): Likewise.
11507
11508         * function.h (rtl_data): Add frame_pointer_needed.
11509         (frame_pointer_needed): New.
11510
11511 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
11512
11513         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
11514
11515 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
11516
11517         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
11518         SRC is a REG.
11519
11520 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
11521
11522         * c-common.c (strip_array_types): Move function to..
11523         * tree.c: ..here.
11524         (get_inner_array_type): Delete.
11525         * c-common.h (strip_array_types): Move declaration to..
11526         * tree.h: ..here.
11527         (get_inner_array_type): Delete.
11528         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
11529         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
11530         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
11531         * config/pa/pa.c (emit_move_sequence): Likewise.
11532
11533 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
11534
11535         * config/i386/i386.md (*sse_prologue_save_insn): Set length
11536         attribute to 34.
11537
11538 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
11539
11540         * function.c: Include target hook for nonlocal_goto frame value.
11541
11542 2008-05-24  Richard Guenther  <rguenther@suse.de>
11543
11544         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
11545         variable can be only accessed through a pointer or a union.
11546
11547 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11548
11549         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
11550         * doc/extend.texi: Likewise.
11551
11552 2008-05-23  DJ Delorie  <dj@redhat.com>
11553
11554         * config/m32c/jump.md (untyped_call): Add.
11555
11556         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
11557         for A24 to PSImode.
11558         (m32c_address_cost): Detail costs for indirect offsets.
11559
11560 2008-05-23  Rafael Espindola  <espindola@google.com>
11561
11562         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
11563         if a node is a SUBREG.
11564         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
11565         is a SUBREG.
11566
11567 2008-05-23  Paul Brook  <paul@codesourcery.com>
11568             Carlos O'Donell  <carlos@codesourcery.com>
11569
11570         * doc/extend.texi: Clarify use of __attribute__((naked)).
11571         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
11572         * target.h (gcc_target): Add allocate_stack_slots_for_args.
11573         * function.c (use_register_for_decl): Use
11574         targetm.calls.allocate_stack_slots_for_args.
11575         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
11576         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
11577         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
11578
11579 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
11580
11581         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
11582
11583 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
11584
11585         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
11586         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
11587         is only rounded once.
11588
11589 2008-05-23  Richard Guenther  <rguenther@suse.de>
11590
11591         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
11592
11593 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
11594             Jakub Jelinek  <jakub@redhat.com>
11595
11596         PR target/36079
11597         * configure.ac: Handle --enable-cld.
11598         * configure: Regenerated.
11599         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
11600         * config/i386/i386.h (struct machine_function): Add needs_cld field.
11601         (ix86_current_function_needs_cld): New define.
11602         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
11603         (cld): New isns pattern.
11604         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
11605         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
11606         * config/i386/i386.opt (mcld): New option.
11607         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
11608         TARGET_CLD and ix86_current_function_needs_cld.
11609         (override_options): Use -mcld by default for 32-bit code if
11610         USE_IX86_CLD.
11611
11612         * doc/install.texi (Options specification): Document --enable-cld.
11613         * doc/invoke.texi (Machine Dependent Options)
11614         [i386 and x86-64 Options]: Add -mcld option.
11615         (Intel 386 and AMD x86-64 Options): Document -mcld option.
11616
11617 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
11618         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
11619         (return_in_memory_64): Likewise.
11620         (return_in_memory_ms_64): Likewise.
11621
11622 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11623
11624         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
11625         * builtins.c (fold_builtin_fpclassify): New.
11626         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
11627         * builtins.def (BUILT_IN_FPCLASSIFY): New.
11628         * c-common.c (handle_type_generic_attribute): Adjust to accept
11629         fixed arguments before an elipsis.
11630         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
11631         * doc/extend.texi: Document __builtin_fpclassify.
11632
11633 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
11634
11635         * omp-low.c (gate_expand_omp_ssa): Remove.
11636         (pass_expand_omp_ssa): Remove.
11637         (gate_expand_omp): Do not check for flag_openmp_ssa.
11638         * common.opt (-fopenmp-ssa): Remove.
11639         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
11640
11641 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
11642
11643         * config/sh/sh.opt (mfixed-range): New option.
11644         * config/sh/sh-protos.h (sh_fix_range): Declare.
11645         * config/sh/sh.c (sh_fix_range): New function.
11646         * config/sh/sh.h (sh_fixed_range_str): Declare.
11647         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
11648         is not empty.
11649         * doc/invoke.texi (SH Options): Document -mfixed-range.
11650
11651 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
11652
11653         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
11654         it before the redeclaration.
11655
11656 2008-05-22  Anatoly Sokolov <aesok@post.ru>
11657
11658         * config/avr/avr.c (get_sequence_length): Add new function.
11659         (expand_prologue, expand_epilogue): Remove duplicate code.
11660
11661 2008-05-22  Rafael Espindola  <espindola@google.com>
11662
11663         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
11664         sharing.
11665
11666 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
11667
11668         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
11669         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
11670
11671         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
11672         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
11673         (vect_update_misalignment_for_peel): Likewise.
11674         (vector_alignment_reachable_p): Likewise.
11675         * tree-vect-transform.c (vectorizable_load): Likewise.
11676         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
11677         (get_vectype_for_scalar_type): Pass mode of scalar_type
11678         to UNITS_PER_SIMD_WORD.
11679
11680         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
11681         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
11682         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
11683         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
11684         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
11685
11686 2008-05-22  Ira Rosen  <irar@il.ibm.com>
11687
11688         PR tree-optimization/36293
11689         * tree-vect-transform.c (vect_transform_strided_load): Don't check
11690         if the first load must be skipped because of a gap.
11691
11692 2008-05-22  Richard Guenther  <rguenther@suse.de>
11693
11694         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
11695         more cases of offset disambiguation that is possible if
11696         strict-aliasing rules apply.
11697         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
11698         for basic offset and type-based disambiguation.
11699
11700 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
11701
11702         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
11703         ix86_expand_vector_set on V16QImode for SSE4.1.
11704
11705 2008-05-21  Tom Tromey  <tromey@redhat.com>
11706
11707         * c.opt (Wimport): Mark as undocumented.
11708         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
11709         -Wno-import.
11710         (Warning Options): Likewise.
11711         * doc/cppopts.texi: Don't mention -Wimport.
11712
11713 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
11714
11715         PR tree-optimization/36287
11716         PR tree-optimization/36286
11717         * lambda-code.c (build_access_matrix): Do not use the loop->num
11718         for computing the number of induction variables: use the loop depth
11719         instead.
11720
11721 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
11722
11723         PR/36280
11724         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
11725         option -f(no-)leading-underscore.
11726
11727 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
11728
11729         * config/i386/i386.c (ix86_expand_vector_init_general): Use
11730         GET_MODE_NUNITS (mode).
11731
11732 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
11733
11734         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
11735         (-mmulhw): Add 464 to description.
11736         (-mdlmzb): Likewise.
11737         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
11738         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
11739         464fp entries.
11740         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
11741         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
11742         * config/rs6000/rs6000.md: Update comments for 464.
11743
11744 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
11745
11746         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
11747
11748 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
11749
11750         * config/i386/sse.md (vec_extractv4sf): Removed.
11751         (vec_extractv2df): Likewise.
11752         (vec_extractv2di): Likewise.
11753         (vec_extractv4si): Likewise.
11754         (vec_extractv8hi): Likewise.
11755         (vec_extractv16qi): Likewise.
11756         (vec_extract<mode>): New.
11757
11758 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
11759
11760         * config/i386/sse.md (vec_setv4sf): Removed.
11761         (vec_setv2df): Likewise.
11762         (vec_setv2di): Likewise.
11763         (vec_setv4si): Likewise.
11764         (vec_setv8hi): Likewise.
11765         (vec_setv16qi): Likewise.
11766         (vec_set<mode>): New.
11767
11768 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
11769
11770         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
11771         goto for vec_concat and vec_interleave.
11772
11773 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
11774
11775         * config/i386/sse.md (vec_initv4sf): Removed.
11776         (vec_initv2df): Likewise.
11777         (vec_initv2di): Likewise.
11778         (vec_initv4si): Likewise.
11779         (vec_initv8hi): Likewise.
11780         (vec_initv16qi): Likewise.
11781         (vec_init<mode>): New.
11782
11783 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
11784
11785         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
11786
11787 2008-05-21  Tom Tromey  <tromey@redhat.com>
11788
11789         * ggc-zone.c (lookup_page_table_if_allocated): New function.
11790         (zone_find_object_offset): Likewise.
11791         (gt_ggc_m_S): Likewise.
11792         (highest_bit): Likewise.
11793         * ggc-page.c (gt_ggc_m_S): New function.
11794         * stringpool.c (string_stack): Remove.
11795         (init_stringpool): Update.
11796         (ggc_alloc_string): Use ggc_alloc.
11797         (maybe_delete_ident): New function.
11798         (ggc_purge_stringpool): Likewise.
11799         (gt_ggc_m_S): Remove.
11800         * ggc-common.c (ggc_protect_identifiers): New global.
11801         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
11802         ggc_protect_identifiers.
11803         * ggc.h (ggc_protect_identifiers): Declare.
11804         (gt_ggc_m_S): Update.
11805         (ggc_purge_stringpool): Declare.
11806         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
11807         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
11808         special case.
11809         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
11810
11811 2008-05-21  David S. Miller  <davem@davemloft.net>
11812
11813         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
11814         tmake_file.
11815
11816 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
11817
11818         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
11819         once finished.
11820
11821 2008-05-20  David Daney  <ddaney@avtrex.com>
11822
11823         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
11824         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
11825         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
11826         UNSPEC_UPDATE_GOT_VERSION): Renumber.
11827         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
11828         (atomic_hiqi_op): New define_code_iterator.
11829         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
11830         mips_expand_compare_and_swap_12.
11831         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
11832         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
11833         (sync_<optab><mode>, sync_old_<optab><mode>,
11834         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
11835         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
11836         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
11837         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
11838         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
11839         (test_and_set_12): New insn.
11840         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
11841         sync_new_<optab><mode>, sync_old_nand<mode>,
11842         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
11843         clobber to operand 0 for SI and DI mode insns.
11844         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
11845         mips_gen_fn_4): New typedefs.
11846         (mips_gen_fn_ptrs): Define new union type.
11847         (mips_expand_compare_and_swap_12): Remove declaration.
11848         (mips_expand_atomic_qihi): Declare function.
11849         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
11850         (mips_expand_atomic_qihi): ... this.  Use new generator function
11851         parameter.
11852         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
11853         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
11854         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
11855         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
11856         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
11857         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
11858         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
11859         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
11860         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
11861         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
11862         New macros.
11863
11864 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
11865
11866         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
11867         the missing break.
11868
11869 2008-05-20  Anatoly Sokolov <aesok@post.ru>
11870
11871         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
11872         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
11873         (avr_attribute_table): Add 'OS_main' function attribute.
11874         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
11875         functions with 'OS_main' attribute.
11876
11877 2008-05-20  Richard Guenther  <rguenther@suse.de>
11878
11879         PR tree-optimization/35204
11880         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
11881         helper, split out from ...
11882         (DFS): ... here.  Make the DFS walk non-recursive.
11883
11884 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
11885             Jan Sjodin  <jan.sjodin@amd.com>
11886
11887         PR tree-optimization/36181
11888         * tree-parloops.c (loop_has_vector_phi_nodes): New.
11889         (parallelize_loops): Don't parallelize when the loop has vector
11890         phi nodes.
11891
11892 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
11893             Sebastian Pop  <sebastian.pop@amd.com>
11894
11895         * tree-loop-linear.c (gather_interchange_stats): Look in the access
11896         matrix, and never look at the tree representation of the memory
11897         accesses.
11898         (linear_transform_loops): Computes parameters and access matrices.
11899         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
11900         when fails.
11901         (access_matrix_get_index_for_parameter): New.
11902         * tree-data-ref.h (struct access_matrix): New.
11903         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
11904         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
11905         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
11906         am_vector_index_for_loop): New.
11907         (struct data_reference): Add field access_matrix.
11908         (DR_ACCESS_MATRIX): New.
11909         (compute_data_dependences_for_loop): Update declaration.
11910         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
11911         * lambda.h (lambda_vector_vec_p): Declared.
11912         * lambda-code.c: Depend on pointer-set.h.
11913         (lambda_collect_parameters_from_af, lambda_collect_parameters,
11914         av_for_af_base, av_for_af, build_access_matrix,
11915         lambda_compute_access_matrices): New.
11916         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
11917
11918 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
11919
11920         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
11921         $SOURCEDIR/include.
11922
11923 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
11924             Sebastian Pop  <sebastian.pop@amd.com>
11925
11926         PR tree-optimization/36206
11927         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
11928         FOLD_CONVERSIONS.
11929         (instantiate_scev_1): Rename flags to fold_conversions.
11930         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
11931         outeside instantiation_loop.
11932         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
11933         (evolution_function_is_affine_or_constant_p): Removed.
11934         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
11935         instantiate_scev.
11936         (analyze_siv_subscript): Pass in the loop nest number.
11937         Call evolution_function_is_affine_in_loop instead of
11938         evolution_function_is_affine_p.
11939         (analyze_overlapping_iterations): Pass in the loop nest number.
11940
11941 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
11942             Sebastian Pop  <sebastian.pop@amd.com>
11943
11944         PR tree-optimization/36206
11945         * tree-chrec.h (chrec_fold_op): New.
11946         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
11947         and other trees.
11948
11949 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
11950
11951         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
11952         (DIRS_EQ): New.
11953         (remove_duplicates): Do not set inode on non-inode systems.
11954         Use DIRS_EQ.
11955
11956 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
11957
11958         * config.gcc (tm_file): Update comments about relative pathnames.
11959
11960 2008-05-20  Richard Guenther  <rguenther@suse.de>
11961
11962         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
11963         * tree-ssa-sccvn.c (process_scc): Likewise.
11964         * tree-ssa-sink.c (execute_sink_code): Likewise.
11965         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
11966         * tree-vrp.c (process_assert_insertions): Likewise.
11967         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
11968         (perform_tree_ssa_dce): Likewise.
11969         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
11970         (dump_dominator_optimization_stats): Likewise.
11971         * tree-vectorizer.c (vectorize_loops): Likewise.
11972
11973 2008-05-20  Richard Guenther  <rguenther@suse.de>
11974
11975         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
11976
11977 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
11978
11979         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
11980         (ix86_i386elf_return_in_memory): Likewise.
11981         (ix86_i386interix_return_in_memory): Likewise.
11982         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
11983         (SUBTARGET_RETURN_IN_MEMORY): New.
11984         * config/i386/i386elf.h: Likewise.
11985         * config/i386/ptx4-i.h: Likewise.
11986         * config/i386/sol2-10.h: Likewise.
11987         * config/i386/sysv4.h: Likewise.
11988         * config/i386/vx-common.h: Likewise.
11989         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
11990         * config/i386/i386.c (ix86_return_in_memory): Made static and
11991         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
11992         (ix86_i386elf_return_in_memory): Removed.
11993         (ix86_i386interix_return_in_memory): Removed.
11994         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
11995         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
11996
11997 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
11998
11999         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
12000
12001 2008-05-19  Xinliang David Li  <davidxl@google.com>
12002
12003         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
12004         * opts.c: Ditto.
12005         * common.opt: Ditto.
12006         * doc/invoke.texi: Ditto.
12007
12008 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
12009
12010         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
12011         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
12012
12013 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
12014
12015         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
12016         sizes of operand array from 8/4 to 4/2.
12017         (ix86_expand_vector_init_general): Change size of operand array
12018         from 32 to 16.  Remove op0, op1 and half_mode.
12019
12020 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
12021
12022         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
12023         (ix86_expand_vector_init_interleave): Likewise.
12024         (ix86_expand_vector_init_general): Use them.  Assert
12025         word_mode == SImode when n_words == 4.
12026
12027 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
12028
12029         * config/i386/i386.c (ix86_secondary_reload): New static function.
12030         (TARGET_SECONDARY_RELOAD): New define.
12031         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
12032         * config/i386/i386.md (reload_outqi): Remove.
12033
12034 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12035
12036         PR middle-end/35509
12037         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
12038         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
12039         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
12040         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
12041         (fold_builtin_1): Likewise.
12042         * builtins.def (BUILT_IN_ISINF_SIGN): New.
12043         c-common.c (check_builtin_function_arguments): Handle
12044         BUILT_IN_ISINF_SIGN.
12045         * doc/extend.texi: Document __builtin_isinf_sign.
12046         * fold-const.c (operand_equal_p): Handle COND_EXPR.
12047
12048 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
12049
12050         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
12051         EH cleanup at the end of the pass, search for those that have been
12052         turned into forwarder blocks and do the cleanup on their successor.
12053
12054 2008-05-18  Richard Guenther  <rguenther@suse.de>
12055
12056         * tree-cfg.c (verify_gimple_expr): Allow conversions from
12057         pointers to sizetype and vice versa.
12058
12059 2008-05-18 Xinliang David Li   <davidxl@google.com>
12060
12061         * gcc/tree-ssa-dce.c: Coding style fix.
12062         (check_pow): Documentation comment.
12063         (check_log): Documenation comment. Coding style fix.
12064         (is_unnecessary_except_errno_call): Ditto.
12065         (gen_conditions_for_pow): Ditto.
12066         (gen_conditions_for_log): Ditto.
12067         (gen_shrink_wrap_conditions): Ditto.
12068         (shrink_wrap_one_built_in_calls): Ditto.
12069         * gcc/doc/invoke.texi: Better documentation string.
12070         * ChangeLog: Fix wrong change log entries from
12071         May 17 checkin on function call DCE.
12072
12073 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
12074
12075         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
12076
12077 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
12078
12079         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
12080         * df-problems.c (simulation routines): Fixed block comment to
12081         properly say how to add forwards scanning functions.
12082
12083 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
12084
12085         * tree-inline.c (setup_one_parameter): Remove dead code.
12086
12087 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
12088
12089         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
12090         a BIT_AND_EXPR only for an INTEGER_TYPE.
12091
12092 2008-05-17 Xinliang David Li   <davidxl@google.com>
12093
12094         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
12095         (check_pow, check_log, is_unnecessary_except_errno_call): New
12096         functions to check for eliminating math functions that are pure
12097         except for setting errno.
12098         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
12099         general condition expressions for shrink-wrapping pow/log calls.
12100         (gen_shrink_wrap_conditions): Ditto.
12101         (shrink_wrap_one_built_in_call): Ditto.
12102         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
12103         (mark_operand_necessary): If debugging, output if OP is necessary.
12104         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
12105         unnecessary.
12106         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
12107         opt level >= 2.
12108         * gcc/common.opt: New user flag -ftree-builtin-dce.
12109         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
12110
12111 2008-05-16  David S. Miller  <davem@davemloft.net>
12112
12113         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
12114         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
12115
12116 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
12117
12118         PR target/36246
12119         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
12120
12121 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
12122
12123         * ifcvt.c (dead_or_predicable): Rename
12124         df_simulate_one_insn_backwards to df_simulate_one_insn.
12125         * recog.c (peephole2_optimize): Ditto.
12126         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
12127         Ditto.
12128         * df.h: Rename df_simulate_one_insn_backwards to
12129         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
12130         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
12131         scanning of defs and uses.
12132         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
12133         (df_simulate_one_insn_forwards): Removed.
12134
12135 2008-05-16  Doug Kwan  <dougkwan@google.com>
12136
12137         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
12138         QNaN & SNaN.
12139         (real_from_string): Handle NaNs and Inf as approriate.
12140
12141 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
12142
12143         * doc/gty.texi (Source Files Containing Type Information): Note
12144         that headers should appear first in the gtfiles list.
12145
12146 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
12147
12148         * tree.def (COND_EXEC): Properly documented this code.
12149
12150 2008-05-16  Diego Novillo  <dnovillo@google.com>
12151
12152         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
12153         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
12154         the new field.
12155
12156 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
12157
12158         * tree-ssa-dse (max_stmt_uid): Removed.
12159         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
12160         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
12161         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
12162         * function.h (cfun.last_stmt_uid): New field.
12163         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
12164         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
12165         New functions.
12166         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
12167         (create_stmt_ann): Initialize the ann->uid field.
12168         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
12169         with new calls.
12170         * tree-flow.h (renumber_gimple_stmt_uids): New function.
12171
12172 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
12173
12174         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
12175         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
12176         (init_empty_tree_cfg): Call it.
12177
12178 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
12179
12180         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
12181         Update all users.
12182
12183 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
12184
12185         * doc/invoke.text (-fdump-tree-*-verbose): New option.
12186         * tree-dump.c (dump_options): New verbose option.
12187         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
12188         Add verbose dump.
12189         * tree-pass.h (TDF_VERBOSE): New dump flag.
12190         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
12191         (tree-flow.h): Added include.
12192         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
12193
12194 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
12195
12196         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
12197
12198         From Jie Zhang  <jie.zhang@analog.com>
12199         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
12200         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
12201         mcpu=bf561-none and mcpu=bf561-0.2.
12202         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
12203         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
12204         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
12205         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
12206         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
12207         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
12208         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
12209         option.
12210         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
12211         (cputype_selected): Remove.
12212         (bfin_handle_option): Don't use cputype_selected.
12213         (override_options): When no mcpu option, enable all workarounds.
12214         Don't use bfin_workarounds.
12215         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
12216         processor type.
12217         (DEFAULT_CPU_TYPE): Don't define.
12218
12219 2008-05-16  Richard Guenther  <rguenther@suse.de>
12220
12221         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
12222         on deletion of the last stmt.
12223
12224 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
12225
12226         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
12227         V8HImode for SSE2 and V16QImode for SSE4.1.
12228
12229 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
12230
12231         * cgraph.h (compute_inline_parameters): Made public.
12232         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
12233         variable_generate_summary, function_write_summary,
12234         variable_write_summary, variable_read_summary.  Added generate_summary,
12235         write_summary, read_summary.
12236         * cgraphunit.c (cgraph_process_new_functions): Changed call from
12237         pass_ipa_inline.function_generate_summary, to
12238         compute_inline_parameters.
12239         * ipa-inline.c (compute_inline_parameters): Made public and added
12240         node parameter.
12241         (compute_inline_parameters_for_current): New function.
12242         (pass_inline_param): Now calls compute_inline_parameters_for_current.
12243         (inline_generate_summary): Removed parameter and made to loop over
12244         all cgraph nodes.
12245         (pass_ipa_inline): Updated for new IPA_PASS structure.
12246         * passes.c (execute_ipa_summary_passes): Now is called once per
12247         pass rather than once per node*pass.
12248
12249 2008-05-15  Anatoly Sokolov <aesok@post.ru>
12250
12251         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
12252         avr_have_mul_p, avr_asm_only_p): Remove variables.
12253         (avr_override_options): Remove initialization of removed variables.
12254         (avr_file_start):  Convert removed variables to fields of
12255         'struct base_arch_s *avr_current_arch'.
12256         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
12257         (AVR_HAVE_MUL): (Ditto.).
12258         (AVR_HAVE_MOVW): (Ditto.).
12259         (AVR_HAVE_LPMX): (Ditto.).
12260         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
12261         avr_asm_only_p): Remove declaration.
12262
12263 2008-05-15  Diego Novillo  <dnovillo@google.com>
12264
12265         * config/arm/arm.c (arm_return_in_memory): Fix return type.
12266         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
12267
12268 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
12269
12270         PR middle-end/36194
12271         * combine.c (check_conversion): Rename back to check_promoted_subreg.
12272         Don't call record_truncated_value from here.
12273         (record_truncated_value): Turn it into a for_each_rtx callback.
12274         (record_truncated_values): New function.
12275         (combine_instructions): Call note_uses with record_truncated_values.
12276         Change name of check_conversion to check_promoted_subreg.
12277
12278 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
12279
12280         * doc/sourcebuild.texi: Document support for torture tests.
12281
12282 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
12283
12284         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
12285         to alternative 4 of operand 2.
12286
12287 2008-05-15  Richard Guenther  <rguenther@suse.de>
12288
12289         * tree-pass.h (current_pass): Declare.
12290         (get_pass_for_id): Likewise.
12291         * passes.c (passes_by_id, passes_by_id_size): New globals.
12292         (set_pass_for_id): New function.
12293         (get_pass_for_id): Likewise.
12294         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
12295         (execute_function_todo): Flush per function statistics.
12296         * toplev.c (compile_file): Init statistics.
12297         (general_init): Do early statistics initialization.
12298         (finalize): Finish statistics.
12299         * statistics.h (statistics_early_init): Declare.
12300         (statistics_init): Likewise.
12301         (statistics_fini): Likewise.
12302         (statistics_fini_pass): Likewise.
12303         (statistics_counter_event): Likewise.
12304         (statistics_histogram_event): Likewise.
12305         * statistics.c: New file.
12306         * Makefile.in (OBJS-common): Add statistics.o.
12307         (statistics.o): Add dependencies.
12308         * doc/invoke.texi (-fdump-statistics): Document.
12309
12310         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
12311         (insert): Likewise.
12312         (execute_pre): Use statistics_counter_event.
12313         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
12314         (substitute_and_fold): Increment it.  Use statistics_counter_event.
12315
12316 2008-05-15  Diego Novillo  <dnovillo@google.com>
12317
12318         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
12319
12320         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
12321         * tree-ssa-alias.c (new_type_alias): Remove references to
12322         sub-variables from comment.
12323         * tree-ssa-operands.c (swap_tree_operands): Likewise.
12324
12325 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
12326
12327         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
12328         attribute to 1 only for insertps alternative.
12329
12330 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
12331
12332         * config/bfin/bfin.md (loadbytes): New pattern.
12333         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
12334         (bfin_init_builtins): Initialize it.
12335         (bdesc_1arg): Add it.
12336
12337 2008-05-15  Sa Liu  <saliu@de.ibm.com>
12338
12339         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
12340         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
12341         * testsuite/lib/target-supports.exp: Add
12342         check_effective_target_fortran_integer_16.
12343
12344 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
12345
12346         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
12347         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
12348         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
12349         (TARGET_RETURN_IN_MEMORY): Define.
12350
12351 2008-05-15  Richard Guenther  <rguenther@suse.de>
12352
12353         PR middle-end/36244
12354         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
12355         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
12356         represent unmodifiable vars.
12357
12358 2008-05-15  Richard Guenther  <rguenther@suse.de>
12359
12360         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
12361         INDIRECT_REF and TARGET_MEM_REF.
12362         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
12363         TARGET_MEM_REF.
12364
12365 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
12366             H.J. Lu  <hongjiu.lu@intel.com>
12367
12368         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
12369         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
12370         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
12371         insn alternatives.  Add missing alternatives.
12372         (*vec_concatv2di_rex64_sse4_1): Likewise.
12373         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
12374         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
12375         Require TARGET_SSE.
12376
12377 2008-05-15  Richard Guenther  <rguenther@suse.de>
12378
12379         PR tree-optimization/36009
12380         PR tree-optimization/36204
12381         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
12382         (determine_invariantness_stmt): Record the loop a store is
12383         always executed in.
12384         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
12385         dependency.
12386
12387 2008-05-15  Richard Guenther  <rguenther@suse.de>
12388
12389         PR tree-optimization/34330
12390         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
12391         through the pointer will alias the SMT.
12392
12393 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
12394
12395         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
12396
12397 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
12398
12399         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
12400
12401 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
12402             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
12403
12404         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
12405         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
12406         (vashl_optab): New optab for vector/vector shifts.
12407         (vashr_optab): Ditto.
12408         (vlshr_optab): Ditto.
12409         (vrotl_optab): Ditto.
12410         (vrotr_optab): Ditto.
12411         (optab_subtype): New enum for optab_for_tree_code call.
12412         (optab_for_tree_code): Add enum optab_subtype argument.
12413
12414         * optabs.c (optab_for_tree_code): Take an additional argument to
12415         distinguish between a vector shift by a scalar and vector shift by
12416         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
12417         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
12418         vector shift by a vector.
12419         (expand_widen_pattern_expr): Pass additional argument to
12420         optab_for_tree_code.
12421
12422         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
12423         vrotl_optab, vrotr_optab.
12424
12425         * expr.c (expand_expr_real_1): Update calls to
12426         optab_for_tree_code to distinguish between vector shifted by a
12427         scalar and vector shifted by a vector.
12428         * tree-vectorizer.c (supportable_widening_operation): Ditto.
12429         (supportable_narrowing_operation): Ditto.
12430         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
12431         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
12432         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
12433         (vect_create_epilog_for_reduction): Ditto.
12434         (vectorizable_reduction): Ditto.
12435         (vectorizable_operation): Ditto.
12436         (vect_strided_store_supported): Ditto.
12437         (vect_strided_load_supported): Ditto.
12438         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
12439         * expmed.c (expand_shift): Ditto.
12440
12441         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
12442         scalar type.
12443         (ashr@var{m}3): Ditto.
12444         (vashl@var{m}3): Document new vector/vector shift standard name.
12445         (vashr@var{m}3): Ditto.
12446         (vlshr@var{m}3): Ditto.
12447         (vrotl@var{m}3): Ditto.
12448         (vrotr@var{m}3): Ditto.
12449
12450         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
12451         (PPERM_INVERT): Ditto.
12452         (PPERM_REVERSE): Ditto.
12453         (PPERM_REV_INV): Ditto.
12454         (PPERM_ZERO): Ditto.
12455         (PPERM_ONES): Ditto.
12456         (PPERM_SIGN): Ditto.
12457         (PPERM_INV_SIGN): Ditto.
12458         (PPERM_SRC1): Ditto.
12459         (PPERM_SRC2): Ditto.
12460
12461         * config/i386/sse.md (mulv2di3): Add SSE5 support.
12462         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
12463         allows a memory operand to be the value being added, and split it
12464         to improve vectorization.
12465         (sse5_pmacsdqh_mem): Ditto.
12466         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
12467         (sse5_mulv2div2di3_high): Ditto.
12468         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
12469         (vec_pack_trunc_v4si): Ditto.
12470         (vec_pack_trunc_v2di): Ditto.
12471         (sse5_pcmov_<mode>): Remove code that tried to use use
12472         andps/andnps instead of pcmov.
12473         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
12474         pmacsdqh instructions.
12475         (vec_widen_smult_lo_v4si): Ditto.
12476
12477         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
12478         (PPERM_INVERT): Ditto.
12479         (PPERM_REVERSE): Ditto.
12480         (PPERM_REV_INV): Ditto.
12481         (PPERM_ZERO): Ditto.
12482         (PPERM_ONES): Ditto.
12483         (PPERM_SIGN): Ditto.
12484         (PPERM_INV_SIGN): Ditto.
12485         (PPERM_SRC1): Ditto.
12486         (PPERM_SRC2): Ditto.
12487         (ix86_expand_sse_movcc): Move the SSE5 test after the if
12488         true/false tests.
12489         (ix86_expand_int_vcond): If SSE5 generate all possible integer
12490         comparisons.
12491         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
12492         says ignore whether the last reference is a memory operand.
12493
12494 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
12495             Paolo Bonzini <bonzini at gnu dot org>
12496
12497         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
12498         shift patterns.
12499
12500         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
12501         (vlshr<mode>3): Rename from vlshr<mode>3.
12502         (vashr<mode>3): Rename from vashr<mode>3.
12503         (mulv4sf3): Change the names of vector shift patterns.
12504         (mulv4si3): Ditto.
12505         (negv4sf2): Ditt.
12506
12507         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
12508         shift insns.
12509
12510         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
12511         (SI_SHLHI): Ditto.
12512         (SI_SHL): Ditto.
12513         (SI_SHLI): Ditto.
12514         (SI_ROTH): Ditto.
12515         (SI_ROTHI): Ditto.
12516         (SI_ROT): Ditto.
12517         (SI_ROTI): Ditto.
12518         (SPU_RL_0): Ditto.
12519         (SPU_RL_1): Ditto.
12520         (SPU_RL_2): Ditto.
12521         (SPU_RL_3): Ditto.
12522         (SPU_RL_4): Ditto.
12523         (SPU_RL_5): Ditto.
12524         (SPU_RL_6): Ditto.
12525         (SPU_RL_7): Ditto.
12526         (SPU_SL_0): Ditto.
12527         (SPU_SL_1): Ditto.
12528         (SPU_SL_2): Ditto.
12529         (SPU_SL_3): Ditto.
12530         (SPU_SL_4): Ditto.
12531         (SPU_SL_5): Ditto.
12532         (SPU_SL_6): Ditto.
12533         (SPU_SL_7): Ditto.
12534
12535         * config/spu/spu.md (v): New iterator macro to add v for vector types.
12536         (floatunssidf2_internal): Change vector/vector shift names.
12537         (floatunsdidf2_internal): Ditto.
12538         (mulv8hi3): Ditto.
12539         (ashrdi3): Ditto.
12540         (ashrti3): Ditto.
12541         (cgt_df): Ditto.
12542         (cgt_v2df): Ditto.
12543         (dftsv): Ditto.
12544         (vashl<mode>3): Rename from ashl<mode>3.
12545         (vashr<mode>3): Rename from ashr<mode>3.
12546         (vlshr<mode>3): Rename from lshr<mode>3.
12547         (vrotl<mode>3): Rename from rotl<mode>3.
12548
12549 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
12550
12551         PR target/36224
12552         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
12553         multiply gives the wrong value when doing widening multiplies.
12554         (vec_widen_smult_lo_v4si): Ditto.
12555
12556 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
12557
12558         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
12559         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
12560         emit_library_call_value.
12561         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
12562         * tree.h (ECF_LIBCALL_BLOCK): Removed.
12563         * calls.c (initialize_argument_information, precompute_arguments,
12564         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
12565         (precompute_arguments): Removed flags parameter.
12566         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
12567
12568 2008-05-14  Richard Guenther  <rguenther@suse.de>
12569
12570         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
12571         Make sure to register the store if the use is a PHI_NODE.
12572
12573 2008-05-14  Olivier Hainque  <hainque@adacore.com>
12574
12575         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
12576         memory if the component is to be referenced in BLKmode according
12577         to get_inner_reference.
12578
12579 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
12580
12581         * calls.c (emit_library_call_value_1): Restore code clearing
12582         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
12583
12584 2008-05-14  Olivier Hainque  <hainque@adacore.com>
12585             Nicolas Roche  <roche@adacore.com>
12586
12587         * configure.ac: Add support for a "gcc_subdir" variable in
12588         config-lang.in, to denote a subdirectory where the language/GCC
12589         integration files are to be found.
12590         * configure: Regenerate.
12591
12592 2008-05-14  Ira Rosen  <irar@il.ibm.com>
12593
12594         PR tree-optimization/36098
12595         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
12596         value for the first load in the group in case of a gap.
12597         (vect_build_slp_tree): Check that there are no gaps in loads.
12598
12599 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
12600
12601         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
12602         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
12603         expand_copysign_bit, ): Change call to emit_no_conflict_block to
12604         emit_insn and remove unneeded code to construct extra args.
12605         (emit_no_conflict_block): Removed.
12606         * optabls.h: (emit_no_conflict_block): Removed.
12607         * cse.c (cse_extended_basic_block): Remove search for
12608         REG_NO_CONFLICT note.
12609         * global.c: Removed incorrect comment added in revision 117.
12610         * expr.c (convert_move): Change call to emit_no_conflict_block to
12611         emit_insn.
12612         * recog.c: Change comments so that they do not mention
12613         REG_NO_CONFLICT.
12614         * local_alloc.c (combine_regs): Removed last parameter.
12615         (no_conflict_p): Removed.
12616         (block_alloc): Removed note, no_conflict_combined_regno and set
12617         local vars. Removed all code to process REG_NO_CONFLICT blocks.
12618         (combine_regs): Removed already_dead and code to look for
12619         REG_NO_CONFLICT notes.
12620         * lower_subreg (remove_retval_note): Removed code to look for
12621         REG_NO_CONFLICT block.
12622         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
12623         (resolve_clobber): Remove code to process libcalls that have
12624         REG_NO_CONFLICT notes.
12625         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
12626         case.
12627         * combine.c (can_combine_p, distribute_notes):  Removed
12628         REG_NO_CONFLICT case.
12629         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
12630         to emit_insns.
12631         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
12632         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
12633         Ditto.
12634         * reg-notes.def (NO_CONFLICT): Removed.
12635
12636 2008-05-14  David S. Miller  <davem@davemloft.net>
12637
12638         * config/sparc/sparc.c (sparc_profile_hook): If
12639         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
12640         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
12641         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
12642
12643 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
12644
12645         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
12646
12647 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
12648
12649         PR target/36222
12650         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
12651         and op1 expansion before vector concat to have less live pseudos.
12652
12653 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
12654
12655         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
12656         ix86_expand_vector_set if supported.
12657
12658 2008-05-13  Diego Novillo  <dnovillo@google.com>
12659             Kenneth Zadeck  <zadeck@naturalbridge.com>
12660
12661         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
12662
12663         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
12664         phinodes_print_statistics, init_ssanames, fini_ssanames,
12665         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
12666         release_ssa_name, release_defs, replace_ssa_name_symbol,
12667         ssanames_print_statistics): Move ...
12668         * tree-flow.h: ... here.
12669         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
12670         Use FN instead of cfun.
12671         (make_ssa_name_fn): Rename from make_ssa_name.
12672         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
12673         * tree-flow-inline.h (make_ssa_name): Move from
12674         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
12675         * omp-low.c (expand_omp_parallel):
12676         * tree-flow-inline.h (redirect_edge_var_map_result):
12677         * tree-ssa.c (init_tree_ssa): Add argument FN.
12678         Use it instead of cfun.  Update all users.
12679
12680 2008-05-13  Tom Tromey  <tromey@redhat.com>
12681
12682         PR preprocessor/22168:
12683         * doc/cpp.texi (Top): Update menu.
12684         (Alternatives to Wrapper #ifndef): New node.
12685         (Other Directives): Document deprecation.
12686         (Obsolete Features): Remove menu.
12687         (Assertions): Merge node into Obsolete Features.
12688         (Obsolete once-only headers): Move earlier; rename to Alternatives
12689         to Wrapper #ifndef.
12690         * doc/cppopts.texi: Update.
12691         * c.opt (Wdeprecated): Enable for C and ObjC.
12692         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
12693         (C++ Dialect Options): Move -Wno-deprecated from here to...
12694         (Warning Options): ... here.
12695
12696 2008-05-13  Richard Guenther  <rguenther@suse.de>
12697
12698         PR middle-end/36227
12699         * fold-const.c (fold_sign_changed_comparison): Do not allow
12700         changes in pointer-ness.
12701
12702 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
12703
12704         PR target/24713
12705         * config/sh/sh.c (sh_expand_prologue): Don't clear
12706         RTX_FRAME_RELATED_P for push insns.
12707
12708 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
12709
12710         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
12711
12712 2008-05-12  Anatoly Sokolov <aesok@post.ru>
12713
12714         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
12715         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
12716         Use 'machine->is_leaf' instead of 'leaf_func_p'.
12717
12718 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
12719
12720         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
12721         (*vec_concatv4sf_sse): This.
12722         (*sse2_concatv2si): Renamed to ...
12723         (*vec_concatv2si_sse2): This.
12724         (*sse1_concatv2si): Renamed to ...
12725         (*vec_concatv2si_sse): This.
12726         (*vec_concatv2di_rex): Renamed to ...
12727         (*vec_concatv2di_rex64): This.
12728         (*vec_concatv2si_sse4_1): New.
12729         (*vec_concatv2di_rex64_sse4_1): Likewise.
12730
12731 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
12732
12733         PR rtl-optimization/36111
12734         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
12735         that was created for swappable operands.
12736
12737 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
12738
12739         PR ada/36001
12740         * Makefile.in: Substitute GNATMAKE and GNATBIND.
12741         * configure.ac: Add call to ACX_PROG_GNAT.
12742
12743 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
12744
12745         * optc-gen.awk: Fix comment typo.
12746
12747 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
12748
12749         * pretty-print.c (pp_integer_with_precision): Use
12750         HOST_LONG_LONG_FORMAT.
12751
12752 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
12753
12754         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
12755
12756 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
12757
12758         * config/i386/i386.c (bdesc_ptest): Removed.
12759         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
12760         (bdesc_args): Add __builtin_ia32_ptestz128,
12761         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
12762         (ix86_init_mmx_sse_builtins): Updated.
12763         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
12764         (ix86_expand_builtin): Updated.
12765
12766 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
12767
12768         * tree-cfg.c (valid_fixed_convert_types_p): New function.
12769         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
12770
12771 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
12772
12773         * value-prof.c (interesting_stringop_to_profile): Do not
12774         return early for BUILT_IN_MEMPCPY.
12775
12776 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
12777
12778         * calls.c (expand_call): Don't use callgraph to increase
12779         preferred_stack_boundary.
12780
12781         * cgraph.h (cgraph_rtl_info): Use unsigned on
12782         preferred_incoming_stack_boundary.
12783
12784         * final.c (rest_of_clean_state): Use unsigned on
12785         preferred_stack_boundary.
12786
12787 2008-05-09  Tom Tromey  <tromey@redhat.com>
12788
12789         PR preprocessor/22231:
12790         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
12791         proceeding.
12792
12793 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
12794
12795         PR tree-optimization/36129
12796         * tree-ssa-ccp.c: Include value-prof.h.
12797         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
12798         built-in function was folded to a constant.
12799         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
12800
12801 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
12802             Sebastian Pop  <sebastian.pop@amd.com>
12803
12804         * tree-scalar-evolution.c: Document instantiate_scev.
12805         (instantiate_parameters_1): Renamed instantiate_scev_1.
12806         Don't use the same loop for instantiation_loop and evolution_loop.
12807         (instantiate_scev): New.
12808         (instantiate_parameters): Moved...
12809         (resolve_mixers): Update call to instantiate_scev_1 to pass the
12810         same loop twice.  Maintains the semantics for this function.
12811         * tree-scalar-evolution.h (instantiate_scev): Declare.
12812         (instantiate_parameters): ...here.  Now static inline.
12813         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
12814         instead of resolve_mixers.
12815
12816 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
12817
12818         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
12819
12820 2008-05-09  Tomas Bily  <tbily@suse.cz>
12821
12822         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
12823         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
12824         * tree-ssa-structalias.c (get_constraint_for): Likewise.
12825         * c-common.c (c_common_truthvalue_conversion): Likewise.
12826         * tree-object-size.c (compute_object_offset): Likewise.
12827         * tree-inline.c (estimate_num_insns_1): Likewise.
12828         * varasm.c (const_hash_1, compare_constant, copy_constant)
12829         (compute_reloc_for_constant, output_addressed_constants)
12830         (initializer_constant_valid_p): Likewise.
12831         * c-omp.c (check_omp_for_incr_expr): Likewise.
12832         * gimplify.c (gimplify_expr): Likewise.
12833         * c-typeck.c (c_finish_return): Likewise.
12834         * tree-vectorizer.c (supportable_widening_operation)
12835         (supportable_narrowing_operation): Likewise.
12836         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
12837         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
12838         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
12839         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
12840         (descr_info_loc): Likewise.
12841         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
12842         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
12843         (fold_unary): Likewise.
12844         * builtins.c (get_pointer_alignment): Likewise.
12845         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
12846         (instantiate_parameters_1): Likewise.
12847         * tree.c (expr_align, stabilize_reference): Likewise.
12848         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
12849         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
12850         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
12851         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
12852         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
12853         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
12854         Likewise.
12855         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
12856         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
12857         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
12858         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
12859         (forward_propagate_comparison)
12860         (tree_ssa_forward_propagate_single_use_vars): Likewise.
12861         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
12862         * emit-rtl.c (component_ref_for_mem_expr)
12863         (set_mem_attributes_minus_bitpos): Likewise.
12864         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
12865         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
12866         Likewise.
12867         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
12868         (build_function_call, pointer_diff, build_compound_expr)
12869         (c_finish_return): Likewise.
12870         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
12871         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
12872         Likewise.
12873         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
12874         * expr.c (is_aligning_offset): Likewise.
12875         * tree-ssa-alias.c (is_escape_site): Likewise.
12876         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
12877         (check_all_va_list_escapes): Likewise.
12878         * tree-ssa-loop-ivopts.c (determine_base_object)
12879         (determine_common_wider_type): Likewise.
12880         * dojump.c (do_jump): Likewise.
12881         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
12882         * tree-gimple.c (is_gimple_cast): Likewise.
12883         * fold-const.c (decode_field_reference, )
12884         (fold_sign_changed_comparison, fold_unary, fold_comparison)
12885         (fold_binary): Likewise.
12886         * tree-ssa-alias-warnings.c (find_alias_site_helper)
12887         (already_warned_in_frontend_p): Likewise.
12888         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
12889         * tree.c (really_constant_p, get_unwidened): Likewise.
12890         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
12891         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
12892         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
12893         Likewise.
12894         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
12895         CONVERT_EXPR_P.
12896         (CONVERT_EXPR_P): Define.
12897         (CASE_CONVERT): Define.
12898
12899 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
12900
12901         PR middle-end/36117
12902         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
12903         (delete_unmarked_insns): When deleting a call, call
12904         delete_unreachable_blocks.
12905         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
12906         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
12907
12908 2008-05-08  Richard Guenther  <rguenther@suse.de>
12909
12910         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
12911         (-ftree-salias): Likewise.
12912         (salias-max-implicit-fields): Remove param documentation.
12913         (salias-max-array-elements): Likewise.
12914         * tree-pass.h (pass_create_structure_vars): Remove.
12915         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
12916         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
12917         * tree-ssa-alias.c (create_structure_vars): Remove.
12918         (gate_structure_vars): Likewise.
12919         (pass_create_structure_vars): Likewise.
12920         (gate_build_alias): Likewise.
12921         (pass_build_alias): Adjust to run always and dump the function.
12922         * common.opt (ftree-salias): Hide.
12923         * passes.c (init_optimization_passes): Remove
12924         pass_create_structure_vars, adjust comment.
12925         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
12926         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
12927         * opts.c (decode_options): Do not set flag_tree_salias.
12928         (common_handle_option): Add OPT_ftree_salias to the backward
12929         compatibility section.
12930
12931 2008-05-08  Richard Guenther  <rguenther@suse.de>
12932
12933         * tree-flow-inline.h (var_can_have_subvars): Move ...
12934         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
12935         * tree-flow.h (var_can_have_subvars): Remove.
12936         (push_fields_onto_fieldstack): Remove.
12937         (sort_fieldstack): Likewise.
12938         (struct fieldoff): Move ...
12939         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
12940         alias_set and base_for_components fields.
12941         (sort_fieldstack): Make static.
12942         (push_fields_onto_fieldstack): Likewise.  Remove code that
12943         handles anything but RECORD_TYPEs.  Remove alias_set and
12944         base_for_components handling.
12945         (create_variable_info_for): Adjust.
12946
12947 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
12948
12949         * common.opt (Wframe-larger-than=): Shorten the help message
12950         to one line.
12951         * doc/invoke.texi (Wframe-larger-than=): Add more description.
12952
12953 2008-05-08  Rafael Espindola  <espindola@google.com>
12954
12955         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
12956         trap.
12957         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
12958         trap and that both operands are gimple values.
12959         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
12960         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
12961         is a fp operation.
12962
12963 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
12964
12965         * read-rtl.c (join_c_conditions): Return the first string if the
12966         two strings are equal.
12967
12968 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
12969
12970         * gensupport.h (pred_data): Add a "num_codes" field.
12971         (add_predicate_code): Declare.
12972         * gensupport.c (add_predicate_code): New function.
12973         (std_pred_table): Add an "allows_const_p" field.
12974         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
12975         Remove the (incomplete) list of such codes from the codes field.
12976         (init_predicate_table): Use add_predicate_code.  Add all
12977         RTX_CONST_OBJs if allows_const_p is true.
12978         * genrecog.c (process_define_predicate): Use add_predicate_code.
12979
12980 2008-05-08  David Daney  <ddaney@avtrex.com>
12981             Richard Sandiford  <rsandifo@nildram.co.uk>
12982
12983         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
12984         special case of constant zero operands.
12985         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
12986         old and new values.  Special case constant zero values.
12987         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
12988         fails.
12989         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
12990         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
12991
12992 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
12993
12994         PR target/36090
12995         * simplify-rtx.c (simplify_plus_minus): Create CONST of
12996         similar RTX_CONST_OBJ before CONST_INT.
12997
12998 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
12999
13000         * stmt.c (expand_stack_restore): Change sa mode if needed.
13001
13002 2008-05-08  Richard Guenther  <rguenther@suse.de>
13003
13004         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
13005         return type to bool.
13006         (ix86_sol10_return_in_memory): Likewise.
13007         (ix86_i386elf_return_in_memory): Likewise.
13008         (ix86_i386interix_return_in_memory): Likewise.
13009         * config/i386/i386.c (ix86_return_in_memory): Likewise.
13010         (ix86_sol10_return_in_memory): Likewise.
13011         (ix86_i386elf_return_in_memory): Likewise.
13012         (ix86_i386interix_return_in_memory): Likewise.
13013
13014 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
13015
13016         PR bootstrap/36180
13017         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
13018         fndecl argument.
13019         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
13020         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
13021         declared in front.
13022
13023 2008-05-08  Richard Guenther  <rguenther@suse.de>
13024
13025         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
13026         * tree-data-ref.h (struct dr_alias): Remove subvars field.
13027         (DR_SUBVARS): Remove.
13028         * tree-dfa.c (dump_subvars_for): Remove.
13029         (debug_subvars_for): Likewise.
13030         (dump_variable): Do not dump subvars.
13031         (remove_referenced_var): Do not remove subvars.
13032         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
13033         (lookup_subvars_for_var): Remove.
13034         (get_subvars_for_var): Likewise.
13035         (get_subvars_at): Likewise.
13036         (get_first_overlapping_subvar): Likewise.
13037         (overlap_subvar): Likewise.
13038         * tree-flow.h (subvar_t): Remove.
13039         (struct var_ann_d): Remove subvars field.
13040         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
13041         argument.  Remove special handling of SFTs.
13042         (compute_tag_properties): Likewise.
13043         (set_initial_properties): Likewise.
13044         (compute_call_clobbered): Likewise.
13045         (count_mem_refs): Likewise.
13046         (compute_memory_partitions): Likewise.
13047         (compute_flow_insensitive_aliasing): Likewise.
13048         (setup_pointers_and_addressables): Likewise.
13049         (new_type_alias): Likewise.
13050         (struct used_part): Remove.
13051         (used_portions): Likewise.
13052         (struct used_part_map): Likewise.
13053         (used_part_map_eq): Likewise.
13054         (used_part_map_hash): Likewise.
13055         (free_used_part_map): Likewise.
13056         (up_lookup): Likewise.
13057         (up_insert): Likewise.
13058         (get_or_create_used_part_for): Likewise.
13059         (create_sft): Likewise.
13060         (create_overlap_variables_for): Likewise.
13061         (find_used_portions): Likewise.
13062         (create_structure_vars): Likewise.
13063         * tree.def (STRUCT_FIELD_TAG): Remove.
13064         * tree.h (MTAG_P): Adjust.
13065         (struct tree_memory_tag): Remove base_for_components and
13066         unpartitionable flags.
13067         (struct tree_struct_field_tag): Remove.
13068         (SFT_PARENT_VAR): Likewise.
13069         (SFT_OFFSET): Likewise.
13070         (SFT_SIZE): Likewise.
13071         (SFT_NONADDRESSABLE_P): Likewise.
13072         (SFT_ALIAS_SET): Likewise.
13073         (SFT_UNPARTITIONABLE_P): Likewise.
13074         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
13075         (union tree_node): Remove sft field.
13076         * alias.c (get_alias_set): Remove special handling of SFTs.
13077         * print-tree.c (print_node): Remove handling of SFTs.
13078         * tree-dump.c (dequeue_and_dump): Likewise.
13079         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
13080         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
13081         * tree-predcom.c (set_alias_info): Do not set subvars.
13082         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
13083         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
13084         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
13085         (add_vars_for_offset): Remove.
13086         (add_virtual_operand): Remove special handling of SFTs.
13087         (add_call_clobber_ops): Likewise.
13088         (add_call_read_ops): Likewise.
13089         (get_asm_expr_operands): Likewise.
13090         (get_modify_stmt_operands): Likewise.
13091         (get_expr_operands): Likewise.
13092         (add_to_addressable_set): Likewise.
13093         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
13094         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
13095         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
13096         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
13097         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
13098         (tree_node_structure): Likewise.
13099         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
13100         handling of SFTs.
13101         (find_what_p_points_to): Likewise.
13102
13103 2008-05-08  Sa Liu  <saliu@de.ibm.com>
13104
13105         * config/spu/spu.md: Fixed subti3 pattern.
13106
13107 2008-05-08  Richard Guenther  <rguenther@suse.de>
13108
13109         PR middle-end/36154
13110         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
13111         sure to create a representative for trailing arrays for PTA.
13112
13113 2008-05-08  Richard Guenther  <rguenther@suse.de>
13114
13115         PR middle-end/36172
13116         * fold-const.c (operand_equal_p): Two objects which types
13117         differ in pointerness are not equal.
13118
13119 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
13120
13121         * calls.c (compute_argument_block_size): Add argument tree fndecl.
13122         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
13123         (emit_library_call_value_1): Add new variable fndecl initialized by
13124         NULL_TREE. It should be the decl type of orgfun, but this information
13125         seems not to be available here, so it uses the default calling abi.
13126         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
13127         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
13128         by TARGET_RETURN_IN_MEMORY.
13129         * config/i386/i386-interix.h: Likewise.
13130         * config/i386/i386.h: Likewise.
13131         * config/i386/i386elf.h: Likewise.
13132         * config/i386/ptx4-i.h: Likewise.
13133         * config/i386/sol2-10.h: Likewise.
13134         * config/i386/sysv4.h: Likewise.
13135         * config/i386/vx-common.h: Likewise.
13136         * config/cris/cris.h: Removed #if 0 clause.
13137         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
13138         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
13139         argument.
13140         (ix86_sol10_return_in_memory): Likewise.
13141         (ix86_i386elf_return_in_memory): New.
13142         (ix86_i386interix_return_in_memory): New.
13143         * config/mt/mt-protos.h (mt_return_in_memory): New.
13144         * config/mt/mt.c: Likewise.
13145         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
13146         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
13147         * config/bfin/bfin.h: Likewise.
13148         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
13149         argument.
13150         * config/bfin/bfin.c: Likewise.
13151         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
13152         * config/alpha/unicosmk.h: Likewise.
13153         * config/i386/cygming.h: Likewise.
13154         * config/iq2000/iq2000.h: Likewise.
13155         * config/mips/mips.h: Likewise.
13156         * config/mn10300/mn10300.h: Likewise.
13157         * config/rs6000/rs6000.h: Likewise.
13158         * config/score/score.h: Likewise.
13159         * config/spu/spu.h: Likewise.
13160         * config/v850/v850.h: Likewise.
13161         * defaults.h: Likewise.
13162         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
13163         * expr.c (emit_block_move): Adjust use of
13164         OUTGOING_REG_PARM_STACK_SPACE.
13165         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
13166         OUTGOING_REG_PARM_STACK_SPACE.
13167         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
13168
13169 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
13170
13171         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
13172         on OMP_RETURN for OMP_FOR.
13173
13174         PR debug/35896
13175         * dwarf2out.c (dw_expand_expr, common_check): Removed.
13176         (fortran_common): New function.
13177         (gen_variable_die): Call fortran_common instead of common_check,
13178         adjust for it returning tree instead of rtx.  Formatting.
13179
13180 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
13181
13182         PR rtl/7335
13183         PR rtl/33826
13184         * see.c (see_copy_insn): Copy new pure const attributes for new call.
13185         * c-decl.c (merge_decls): Ditto.
13186         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
13187         to RTL_CONST_OR_PURE_CALL_P.
13188         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
13189         Initialized DECL_LOOPING_CONST_PURE.
13190         (process_call_operands): Set tree_side_effects properly.
13191         * tree.h (TREE_READONLY_DECL_P): Removed.
13192         (DECL_IS_PURE): Renamed to DECL_PURE_P.
13193         (DECL_LOOPING_OR_CONST_P): New macro.
13194         (struct tree_function_decl): Added looping_const_or_pure_p.
13195         (ECF_*) Renumbered.
13196         (ECF_LOOPING_OR_CONST_P): New macro.
13197         * rtlanal.c (pure_const_p): Removed.
13198         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
13199         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
13200         to RTL_CONST_CALL_P.
13201         * ipa-pure-const.c (pure_const_state_e): Added looping field.
13202         (check_decl, check_tree, check_call, scan_function): Initialize
13203         looping.
13204         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
13205         (static_execute): Set looping true for recursive functions.
13206         Undo setting state to IPA_NEITHER for recursive functions.
13207         * cse.c (cse_insn):
13208         * ifcvt.c (noce_can_store_speculate_p): Changed
13209         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
13210         RTL_CONST_OR_PURE_CALL_P.
13211         * dse.c (scan_insn): Ditto.
13212         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
13213         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
13214         RTL_CONST_OR_PURE_CALL_P.
13215         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
13216         pure_call_p to RTL_CONST_CALL_P.
13217         * gimplify.c (gimplify_call_expr): Clear side effects for
13218         non-looping pure and constant calls.
13219         * calls.c (emit_call_1): Set rtl flags from ecf flags.
13220         (flags_from_decl_or_type): Set ecf flags from decl flags.
13221         (initialize_argument_information): Turn off
13222         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
13223         Change const to pure if callee_copies is true rather than just
13224         turning off const.
13225         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
13226         way of marking pure calls.
13227         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
13228         Remove hack that was supposed to fix pr7335 and remove old
13229         way of marking pure calls.
13230         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
13231         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
13232         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
13233         RTL_CONST_OR_PURE_CALL_P.
13234         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
13235         * loop-invariant.c (find_exits, find_invariant_bb): Changed
13236         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
13237         * sched-deps.c (schedule_analyze): Ditto.
13238         * rtl.h (struct rtx_def): Use call field, unchanging field, and
13239         return_val field of calls to represent pure and const function info.
13240         (CONST_OR_PURE_CALL_P): Deleted macro.
13241         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
13242         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
13243         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
13244         TREE_READONLY.
13245         * tree-optimize.c (execute_fixup_cfg): Added test for
13246         ECF_LOOPING_CONST_OR_PURE.
13247         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
13248         DECL_PURE_P.
13249         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
13250         effects for looping pure or const calls.
13251         (verify_gimple_expr): Added verification code.
13252         * config/alpha/alpha.c (alpha_legitimize_address,
13253         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
13254         RTL_CONST_CALL_P.
13255         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
13256         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
13257         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
13258         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
13259         RTL_CONST_OR_PURE_CALL_P.
13260         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
13261         and const calls to be deleted.
13262
13263 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
13264
13265         PR target/35714
13266         * config/i386/mmx.md (mmx_subv2sf3): New expander.
13267         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
13268         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
13269         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
13270         to handle nonimmediate operands.
13271         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
13272         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
13273         to handle nonimmediate operands.
13274         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
13275         (mmx_pmulhrwv4hi3): New expander.  Use
13276         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13277         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
13278         (sse2_umulv1siv1di3): New expander.  Use
13279         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13280         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
13281         (mmx_eq<mode>3): New expander.  Use
13282         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13283         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
13284         (mmx_uavgv8qi3): New expander.  Use
13285         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13286         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
13287         (mmx_uavgv4hi3): New expander.  Use
13288         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13289
13290         * config/i386/sse.md
13291         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
13292         to handle nonimmediate operands.
13293         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
13294         to handle nonimmediate operands.
13295         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
13296         to handle nonimmediate operands.
13297         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
13298         to handle nonimmediate operands.
13299         (sse2_unpckhpd_exp): New expander.  Use
13300         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13301         (sse2_unpcklpd_exp): New expander.  Use
13302         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13303         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
13304         to handle nonimmediate operands.
13305         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
13306         to handle nonimmediate operands.
13307         (*sse2_<plusminus_insn><mode>3): Rename from
13308         sse2_<plusminus_insn><mode>3 insn pattern.
13309         (sse2_<plusminus_insn><mode>3): New expander.  Use
13310         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13311         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
13312         (sse2_umulv2siv2di3): New expander.  Use
13313         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13314         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
13315         (sse4_1_mulv2siv2di3): New expander.  Use
13316         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13317         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
13318         (sse2_pmaddwd): New expander.  Use
13319         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13320         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
13321         (sse2_eq<mode>3): New expander.  Use
13322         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13323         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
13324         (sse4_1_eqv2di3): New expander.  Use
13325         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13326         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
13327         (sse2_uavgv16qi3): New expander.  Use
13328         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13329         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
13330         (sse2_uavgv16qi3): New expander.  Use
13331         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13332         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
13333         (sse2_uavgv8hi3): New expander.  Use
13334         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13335         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
13336         (ssse3_pmulhrswv8hi3): New expander.  Use
13337         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13338         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
13339         (ssse3_pmulhrswv4hi3): New expander.  Use
13340         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13341
13342         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
13343         (<sse>_vmmul<mode>3): Ditto.
13344         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
13345         (divv2df3): Ditto.
13346         (ssse3_pmaddubsw128): Use register_operand for operand 1.
13347         (ssse3_pmaddubsw): Ditto.
13348
13349         * config/i386/i386.c (struct_builtin_description)
13350         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
13351         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
13352         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
13353         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
13354         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
13355         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
13356         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
13357         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
13358         (ix86_fixup_binary_operands): Assert that src1
13359         and src2 must have the same mode when swapped.
13360         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
13361         and ix86_binary_operator_ok.  Do not force operands in registers
13362         when optimizing.
13363
13364 2008-05-07  Jan Hubicka  <jh@suse.cz>
13365
13366         * cgraph.c (dump_cgraph_node): Update.
13367         * cgraph.h (cgraph_local_info): Break out inline summary.
13368         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
13369         hook.
13370         * ipa-inline (inline_summary): New accestor function.
13371         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
13372         cgraph_decide_inlining, compute_inline_parameters): Update.
13373         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
13374
13375 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
13376
13377         Cleanup ColdFire scheduling support and add V4 pipeline model.
13378
13379         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
13380         (define_attr cpu): Add cfv4 value.
13381         (define_attr type, define_attr type1): Merge into a single 'type'
13382         attribute.  Update all uses.
13383         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
13384         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
13385         Update all uses.
13386         (define_attr opx_mem, define_attr opy_mem): Remove.
13387         (define_attr op_mem): Clean up, update comment.
13388         (define_attr size): Use specific values instead of general int.
13389         (define_attr guess, define_attr split): Remove.  Update all uses.
13390         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
13391         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
13392         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
13393         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
13394         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
13395         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
13396         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
13397         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
13398         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
13399         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
13400         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
13401         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
13402         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
13403         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
13404         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
13405         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
13406         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
13407         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
13408         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
13409         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
13410         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
13411         Update or set attributes.
13412         (stack_tie): New fake instruction.
13413
13414         * config/m68k/m68k.h (TUNE_CFV4): New macro.
13415         (m68k_sched_attr_size): Update declaration.
13416         (m68k_sched_attr_type2): Remove.
13417         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
13418         Declare new bypass predicates.
13419
13420         * config/m68k/m68k.c (m68k_sched_issue_rate,
13421         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
13422         implementations.
13423         (TARGET_SCHED_ISSUE_RATE,
13424         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
13425         (override_options): Handle scheduling for ColdFire V4 core.
13426         (m68k_expand_prologue): Emit stack_tie.
13427         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
13428         'OP_TYPE_FPN'.  Update all uses.
13429         (sched_guess_p): Remove.
13430         (sched_address_type): Handle symbolic addresses.
13431         (sched_get_operand): New static function.
13432         (sched_operand_type): Merge into sched_attr_op_type.
13433         (sched_attr_op_type): Handle FP registers, handle quick constants,
13434         update.
13435         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
13436         (m68k_sched_attr_size): Update.  Move logic to ...
13437         (sched_get_attr_size_int): New static function.
13438         (sched_get_opxy_mem_type): New static function.
13439         (m68k_sched_attr_op_mem): Update.
13440         (m68k_sched_attr_type2): Remove.
13441         (sched_cfv4_bypass_data): New static variable.
13442         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
13443         (m68k_sched_issue_rate): Implement scheduler hook.
13444         (struct _sched_ib: enabled_p): New field.
13445         (m68k_sched_variable_issue): Update.  Handle V4.
13446         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
13447         sched_dump_class_func_t, sched_dump_split_class,
13448         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
13449         sched_dump_dfa_class, m68k_sched_dump): Remove.
13450         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
13451         hook.
13452         (m68k_sched_init_global): Remove statisctics dumping, introduce
13453         sanity check that all instructions have pipeline reservations.  Handle
13454         ColdFire V4 core.
13455         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
13456         Handle ColdFire V4 core.
13457         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
13458         New static functions.
13459         (m68k_sched_address_bypass_p): New bypass predicate.
13460         (sched_get_indexed_address_scale): New static function.
13461         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
13462
13463         * cf.md: Update comments.
13464         (define_attr type2): Remove.  Use 'type' attribute instead.
13465         Update all uses.
13466         (cf_ib): Rename to cfv123_ib.  Update all uses.
13467         (cf_oep): Rename to cfv123_oep.  Update all uses.
13468         (cf_chr): Rename to cfv123_chr.  Update all uses.
13469         (cf_mem): Rename to cfv123_mem.  Update all uses.
13470         (cf_mac): Move to more appropriate place.
13471         (cfv123_guess): New automaton and cpu_unit.
13472         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
13473         Update uses of 'size' attribute.  Handle before reload scheduling.
13474         (cfv123_guess): New dummy reservation for unhandled instructions.
13475         (cfv4_*): Pipeline description of ColdFire V4 core.
13476         (ignore): New reservation to handle 'ignore' type.
13477
13478 2008-05-07  Ian Lance Taylor  <iant@google.com>
13479
13480         PR middle-end/36013
13481         * gimplify.c (find_single_pointer_decl_1): Don't look through
13482         indirections.
13483         (find_single_pointer_decl): Adjust comments.
13484
13485 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
13486
13487         PR middle-end/36137
13488         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
13489         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
13490
13491         PR middle-end/36106
13492         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
13493         integral type rather than floating point, then VIEW_CONVERT_EXPR
13494         to the floating point type.
13495
13496 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
13497
13498         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
13499         TFmode op0 to register.
13500
13501 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
13502
13503         * c-decl.c (grokdeclarator): Comment typo.
13504
13505 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
13506
13507         * tree-flow.h: Remove prototype for computed_goto_p.
13508         * tree-cfg.c (computed_goto_p): Make static.
13509
13510 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
13511
13512         PR target/35657
13513         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
13514         (contains_aligned_value_p): This.  Handle _Decimal128.
13515         (ix86_function_arg_boundary): Only align _Decimal128 to its
13516         natural boundary and handle it properly.
13517
13518 2008-05-06  Martin Jambor  <mjambor@suse.cz>
13519
13520         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
13521         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
13522         (ipcp_method_set_orig_node): Removed.
13523         (ipcp_cval_get_cvalue_type): Removed.
13524         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
13525         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
13526         (ipcp_cval_set_cvalue_type): Removed.
13527         (ipcp_cval_get_cvalue): Removed.
13528         (ipcp_cval_set_cvalue): Removed.
13529         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
13530         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
13531         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
13532         (ipcp_cval_meet): Renamed to ipa_lattice_meet
13533         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
13534         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
13535         (ipcp_get_ith_lattice): Changed parameters.
13536         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
13537         (ipcp_lattice_from_jfunc): Changed parameters.
13538         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
13539         (ipcp_method_cval_print): Added temporary variable info.
13540         (ipcp_redirect): Removed already unused local variable caller.
13541         (ipcp_redirect): New temporary variable orig_callee_info
13542         (ipcp_redirect): Removed newly unused local variable callee.
13543         (ipcp_redirect): Removed (a bit confusing) local variable type.
13544         (ipcp_insert_stage): Added local variable info.
13545         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
13546         renamed too
13547         (ipcp_formal_create): Removed.
13548         (ipcp_method_cval_set): Removed.
13549         (ipcp_propagate_stage): Renamed lattice variables.
13550         (ipcp_method_cval_set_cvalue_type): Removed.
13551         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
13552         (ipcp_print_all_lattices): Changed printed strings to refer to
13553         lattices rather than cvals.
13554         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
13555         (ipcp_propagate_const): Changed formal parameters.
13556         (build_const_val): Changed formal parameters.
13557         (ipcp_insert_stage): Removed useless variable cvalue
13558         (build_const_val): Changed formal parameters.
13559         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
13560         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
13561         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
13562         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
13563         (ipcp_print_func_profile_counts): Changed string from "method" to
13564         "function"
13565         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
13566         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
13567         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
13568         (ipcp_structures_print): Renamed to ipcp_print_all_structures
13569         (ipcp_profile_print): Renamed to ipcp_print_profile_data
13570         (ipcp_lat_is_const): Changed parameters and made inline.
13571         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
13572         (ipcp_redirect): Renamed to ipcp_need_redirect_p
13573         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
13574         the predicate condition directly
13575         (ipcp_propagate_stage): Added local variable args. Removed local
13576         variable callee.  (Both are mere code simplifications.)
13577         (ipcp_method_dont_insert_const): Renamed to
13578         ipcp_node_not_modifiable_p.
13579         (ipcp_node_not_modifiable_p): Made inline.
13580         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
13581         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
13582         (ipcp_print_all_lattices): Removed variable cvalue
13583         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
13584         Updated comments.
13585
13586 2008-05-06  Olivier Hainque  <hainque@adacore.com>
13587
13588         * tree-sra.c (try_instantiate_multiple_fields): Early return
13589         if field has POINTER_TYPE.
13590
13591 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
13592
13593         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
13594         by using 'q' specifier for instruction.
13595         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
13596
13597 2008-05-06  Anatoly Sokolov <aesok@post.ru>
13598
13599         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
13600         Change mode of zero_extract from QImode to HImode.
13601         (sign bit tests peepholes): (Ditto.).
13602
13603 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
13604
13605         * config/i386/mmx.md: Remove double backslashes from asm templates.
13606         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
13607         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
13608         to handle nonimmediate operands.
13609         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
13610         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
13611         to handle nonimmediate operands.
13612         (*mmx_<code>v2sf3_finite): New insn pattern.
13613         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
13614         (mmx_<code>v2sf3): New expander.  Use
13615         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13616         (mmx_<plusminus_insn><mode>3): New expander.  Use
13617         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13618         (*mmx_<plusminus_insn><mode>3): New insn pattern.
13619         (mmx_add<mode>3): Removed.
13620         (mmx_ssadd<mode>3): Ditto.
13621         (mmx_usadd<mode>3): Ditto.
13622         (mmx_sub<mode>3): Ditto.
13623         (mmx_sssub<mode>3): Ditto.
13624         (mmx_ussub<mode>3): Ditto.
13625         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
13626         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
13627         to handle nonimmediate operands.
13628         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
13629         insn pattern.
13630         (mmx_smulv4hi3_highpart): New expander.  Use
13631         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13632         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
13633         insn pattern.
13634         (mmx_umulv4hi3_highpart): New expander.  Use
13635         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13636         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
13637         (mmx_<code>v4hi3): New expander.  Use
13638         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13639         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
13640         (mmx_<code>v8qi3): New expander.  Use
13641         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13642         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
13643         (mmx_<code><mode>3): New expander.  Use
13644         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13645
13646 2008-05-05  Jan Hubicka  <jh@suse.cz>
13647
13648         PR tree-optimization/36118
13649         * passes.c (pass_init_dump_file): Fix dump header.
13650
13651 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13652
13653         PR middle-end/36141
13654         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
13655         VCE for function decls.
13656
13657 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
13658
13659         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
13660
13661 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
13662
13663         * config/i386/i386.md (sat_plusminus): New.
13664         (plusminus_insn): Likewise.
13665         (plusminus_mnemonic): Likewise.
13666         (addsub): Removed.
13667         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
13668         (*<addsub><mode>3_cc_overflow): Renamed to ...
13669         (*<plusminus_insn><mode>3_cc_overflow): This.
13670         (*<addsub>si3_zext_cc_overflow): Renamed to ...
13671         (*<plusminus_insn>si3_zext_cc_overflow): This.
13672
13673         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
13674         (<plusminus_insn><mode>3): This.
13675         (*<addsub><mode>3): Renamed to ...
13676         (*<plusminus_insn><mode>3): This.
13677         (<sse>_vm<addsub><mode>3): Renamed to ...
13678         (<sse>_vm<plusminus_insn><mode>3): This.
13679         (sse3_h<addsub>v4sf3): Renamed to ...
13680         (sse3_h<plusminus_insn>v4sf3): This.
13681         (sse3_h<addsub>v2df3): Renamed to ...
13682         (sse3_h<plusminus_insn>v2df3): This.
13683         (<plusminus_insn><mode>3): New.
13684         (*<plusminus_insn><mode>3): Likewise.
13685         (sse2_<plusminus_insn><mode>3): Likewise.
13686         (add<mode>): Removed.
13687         (*add<mode>3): Likewise.
13688         (sse2_ssadd<mode>3): Likewise.
13689         (sse2_usadd<mode>3): Likewise.
13690         (sub<mode>3): Likewise.
13691         (*sub<mode>3): Likewise.
13692         (sse2_sssub<mode>3): Likewise.
13693         (sse2_ussub<mode>3): Likewise.
13694
13695 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
13696
13697         * gthr-single.h: Add in required interface elements as per gthr.h.
13698         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
13699         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
13700         Generalize UNUSED macro.
13701         (__gthread_once): Add.
13702         (__gthread_key_create): Add.
13703         (__gthread_key_delete): Add.
13704         (__gthread_getspecific): Add.
13705         (__gthread_setspecific): Add.
13706
13707 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
13708
13709         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
13710         the same size types for the indirect reference on the rhs, then
13711         create a VCE.
13712
13713 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
13714
13715         * config/i386/i386.md
13716         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
13717         one insn template instead of template series.
13718         (*xordi_1_rex64): Ditto.
13719         (*xordi_2_rex64): Ditto.
13720
13721 2008-05-05  Ira Rosen  <irar@il.ibm.com>
13722
13723         PR tree-optimization/36119
13724         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
13725         in case of SLP.
13726
13727 2008-06-04  Jan Hubicka  <jh@suse.cz>
13728
13729         tree-optimization/36100
13730         * tree-pass.h (pass_O0_always_inline): Declare.
13731         * ipa-inline.c (inline_transform): Remove dead code.
13732         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
13733         pass_O0_always_inline): New.
13734         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
13735
13736 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
13737
13738         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
13739         mnemonic in this_param move for TARGET_64BIT.
13740
13741 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
13742
13743         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
13744         (*strmovsi_rex_1): Ditto.
13745         (*strsetsi_1): Ditto.
13746         (*strsetsi_rex_1): Ditto.
13747
13748         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
13749         adddicc expanders using SWI mode iterator.
13750
13751 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
13752
13753         PR target/36121
13754         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
13755         argument handling.
13756
13757 2008-05-04  David S. Miller  <davem@davemloft.net>
13758
13759         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
13760         (sparc*-*-linux*): Use linux.h in tm_file.
13761         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
13762         compiler defaulting to 32-bit.
13763         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
13764         no longer needed.
13765         * config/sparc/linux.h: Remove definitions now obtained
13766         properly from linux.h
13767         * config/sparc/linux64.h: Likewise.
13768         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
13769         don't want this setting for 32-bit builds in a biarch compiler.
13770         * doc/install.texi: Add sparc-linux to list of targets
13771         supporting --enable-targets=all.
13772
13773 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
13774
13775         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
13776
13777 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
13778
13779         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
13780         after V4SI_FTYPE_V8HI.
13781         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
13782         case V4SI_FTYPE_V2DF.
13783
13784 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
13785
13786         * doc/invoke.texi (max-flow-memory-locations): Removed.
13787         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
13788
13789 2008-05-03  Richard Guenther  <rguenther@suse.de>
13790
13791         PR middle-end/34973
13792         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
13793
13794 2008-05-02  David S. Miller  <davem@davemloft.net>
13795
13796         * config.gcc (need_64bit_hwint): Document libcpp dependency.
13797
13798 2008-05-02  Simon Baldwin <simonb@google.com>
13799
13800         PR bootstrap/36108
13801         * c-common.h (warn_array_subscript_range): Removed.
13802         * c-common.c (warn_array_subscript_range): Ditto.
13803         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
13804         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
13805
13806 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
13807
13808         * config/i386/i386.c (ix86_special_builtin_type): New.
13809         (bdesc_special_args): Likewise.
13810         (ix86_expand_special_args_builtin): Likewise.
13811         (ix86_init_mmx_sse_builtins): Updated.
13812         (ix86_expand_builtin): Updated.
13813         (ix86_expand_store_builtin): Removed.
13814         (ix86_expand_unop_builtin): Likewise.
13815
13816         * config/i386/mm3dnow.h (__v2sf): Moved to ...
13817         * config/i386/mmintrin.h (__v2sf): Here.
13818
13819         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
13820         const __v2sf.
13821         (_mm_loadl_pi): Likewise.
13822         (_mm_storeh_pi): Replace __v2si with __v2sf.
13823         (_mm_storel_pi): Likewise.
13824
13825         * doc/extend.texi: Correct __builtin_ia32_loadhps,
13826         __builtin_ia32_loadlps, __builtin_ia32_storehps,
13827         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
13828         __builtin_ia32_loadlpd.
13829
13830 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
13831
13832         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
13833         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
13834         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
13835         (ix86_init_mmx_sse_builtins): Updated.
13836         (ix86_expand_args_builtin): Likewise.
13837         (ix86_expand_builtin): Likewise.
13838         (ix86_expand_unop1_builtin): Renamed to ...
13839         (ix86_expand_unop_vec_merge_builtin): This.
13840
13841 2008-05-01  Jan Hubicka  <jh@suse.cz>
13842
13843         PR bootstrap/36100
13844         * ipa-inline.c (inline_generate_summary): Make static.
13845         (inline_transform): Do not call inlining at -O0; make static.
13846         * passes.c (execute_todo): Add sanity check.
13847         (execute_one_ipa_transform_pass): Execute proper flags.
13848
13849 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
13850
13851         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
13852         (DECL_NONADDRESSABLE_P): Likewise.
13853         * alias.c (record_component_aliases): Fix comment.
13854
13855 2008-05-01  Simon Baldwin <simonb@google.com>
13856
13857         * c-common.h (warn_array_subscript_range): New function.
13858         * c-common.c (warn_array_subscript_range): Ditto.
13859         * tree-vrp.c (check_array_ref): Corrected code to agree with
13860         comment, ignoring only arrays of size 0 or size 1.
13861         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
13862
13863 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
13864
13865         * config/i386/i386.c (ix86_builtin_type): Replace
13866         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
13867         (bdesc_args): Updated.
13868         (ix86_init_mmx_sse_builtins): Likewise.
13869         (ix86_expand_args_builtin): Likewise.
13870
13871         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
13872         with __v1di.
13873
13874         * doc/extend.texi: Correct __builtin_ia32_palignr.
13875
13876 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
13877
13878         PR target/36095
13879         * config/i386/i386.c (bdesc_crc32): Removed.
13880         (ix86_expand_crc32): Likewise.
13881         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
13882         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
13883         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
13884         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
13885         UINT_FTYPE_UINT_UCHAR.
13886         (bdesc_args): Updated. Add crc32 builtins.
13887         (ix86_init_mmx_sse_builtins): Updated.
13888         (ix86_expand_args_builtin): Updated to support subreg.
13889
13890         * doc/extend.texi: Correct __builtin_ia32_crc32di.
13891
13892 2008-05-01  Jan Hubicka  <jh@suse.cz>
13893
13894         * tree-pass.h (opt_pass): Add IPA_PASS.
13895         (varpool_node, cgraph_node): Forward declare.
13896         (ipa_opt_pass): Define.
13897         (pass_ipa_inline): Turn into ipa_opt_pass.
13898         (pass_apply_inline): Remove.
13899         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
13900         (apply_inline): Turn into ....
13901         (inline_transform): ... this one.
13902         (inline_generate_summary): New function.
13903         (pass_apply_inline): Remove.
13904         * function.h (ipa_opt_pass): Forward declare structure; typedef;
13905         vector.
13906         (struct function): Add ipa_transforms_to_apply.
13907         * passes.c (register_one_dump_file): Work on IPA_PASS.
13908         (init_optimization_passes): Remove pass_inline_parameters and
13909         pass_apply_inline.
13910         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
13911         (execute_one_pass) ... here; apply transforms when possible.
13912         (add_ipa_transform_pass, execute_ipa_summary_asses,
13913         execute_one_ipa_transform_pass): New.
13914         (execute_ipa_pass_list): Update for IPA_PASS type.
13915
13916 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
13917
13918         * config/i386/i386.c (ix86_builtin_type): Add
13919         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
13920         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
13921         (bdesc_args): Add SSE4a builtins.
13922         (ix86_init_mmx_sse_builtins): Updated.
13923         (ix86_expand_args_builtin): Likewise.
13924         (ix86_expand_builtin): Likewise.
13925
13926 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
13927
13928         * config/i386/i386.c (ix86_builtin_type): Add
13929         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
13930         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
13931         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
13932         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
13933         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
13934         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
13935         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
13936         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
13937         and DI_FTYPE_DI_DI_INT.
13938         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
13939         (ix86_init_mmx_sse_builtins): Updated.
13940         (ix86_expand_args_builtin): Likewise.
13941         (ix86_expand_builtin): Likewise.
13942         (ix86_expand_binop_imm_builtin): Removed.
13943
13944         * doc/extend.texi: Correct __builtin_ia32_palignr128.
13945
13946 2008-04-30  Richard Guenther  <rguenther@suse.de>
13947
13948         PR tree-optimization/32921
13949         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
13950
13951 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
13952
13953         * config/arm/arm.c (arm_unwind_emit): Use
13954         crtl->all_throwers_are_sibcalls instead of
13955         cfun->all_throwers_are_sibcalls.
13956         (arm_output_fn_unwind): Likewise.
13957         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
13958         instead of cfun->uses_pic_offset_table.
13959         (frv_expand_prologue): Likewise.
13960         (frv_frame_pointer_required): Likewise.
13961         (frv_expand_fdpic_call): Likewise.
13962         (frv_emit_movsi): Likewise.
13963         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
13964         cfun->returns_pcc_struct instead of
13965         current_function_returns_pcc_struct.
13966         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
13967         instead of cfun->calls_eh_return.
13968         (m32c_pushm_popm): Likewise.
13969         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
13970         "extern" declaration.
13971
13972 2008-04-30  Richard Guenther  <rguenther@suse.de>
13973
13974         PR tree-optimization/21636
13975         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
13976         constant address.
13977         (evaluate_stmt): Print the likely value.
13978         (ccp_visit_stmt): Avoid excessive vertical spacing.
13979
13980 2008-04-30  Rafael Espindola  <espindola@google.com>
13981
13982         * builtins.c (fold_call_expr): Return realret.
13983         * tree-ssa-threadedge.c
13984         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
13985         __builtin_object_size.
13986
13987 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
13988
13989         * gcc.c (wrapper_string): New variable.
13990         (insert_wrapper): New function.
13991         (execute): New option -wrapper.
13992         * doc/invoke.texi (Overall Options): New driver option -wrapper.
13993
13994 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
13995
13996         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
13997         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
13998         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
13999         from...
14000         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
14001         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
14002         config/rs6000/e500crtres64gprctr.asm,
14003         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
14004         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
14005         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
14006         config/rs6000/e500crtsav64gprctr.asm,
14007         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
14008         config/rs6000/e500crtsavg64gprctr.asm: New files.
14009         * config/rs6000/t-ppccomm: Add build rules for new files.
14010         (LIB2FUNCS_STATIC_EXTRA): Add new files.
14011         * config/rs6000/t-netbsd: Add build rules for new files.
14012         (LIB2FUNCS_STATIC_EXTRA): New variable.
14013         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
14014         (CRTSAVRES_DEFAULT_SPEC): Likewise.
14015         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
14016
14017 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
14018
14019         * config/i386/i386.c (ix86_builtin_type): Add
14020         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
14021         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
14022         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
14023         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
14024         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
14025         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
14026         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
14027         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
14028         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
14029         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
14030         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
14031         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
14032         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
14033         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
14034         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
14035         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
14036         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
14037         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
14038         V1DI_FTYPE_V2SI_V2SI.
14039         (bdesc_2arg): Moved to ...
14040         (bdesc_args): Here.
14041         (ix86_init_mmx_sse_builtins): Updated.
14042         (ix86_expand_args_builtin): Updated.  Take a pointer
14043         to const struct builtin_description.  Handle comparison
14044         builtin functions.
14045         (ix86_expand_sse_compare): Take a new argument for swapping operands.
14046         (ix86_expand_builtin): Updated.
14047
14048         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
14049         (ssse3_pmaddubsw128): This.
14050         (ssse3_pmaddubswv4hi3): Renamed to ...
14051         (ssse3_pmaddubsw): This.
14052
14053         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
14054         (__builtin_ia32_packssdw128): Likewise.
14055         (__builtin_ia32_packuswb128): Likewise.
14056         (__builtin_ia32_pmaddubsw): Likewise.
14057         (__builtin_ia32_pmaddubsw128): Likewise.
14058
14059 2008-04-30  Richard Guenther  <rguenther@suse.de>
14060
14061         PR tree-optimization/14847
14062         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
14063         (recognize_bits_test): Use it.
14064         (recognize_single_bit_test): Likewise.
14065
14066 2008-04-30  Martin Jambor  <mjambor@suse.cz>
14067
14068         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
14069         instead of setting number of formal parameters to zero.
14070         (ipcp_init_stage): Do not set the number of actual parameters to zero
14071         either.
14072         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
14073         which are called with variable number of arguments.
14074         (ipcp_insert_stage): Explicitely skipping all nodes which are
14075         called with variable number of arguments.
14076         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
14077         number of parameters.
14078
14079         * ipa-prop.h (struct ipa_node_params): Added flag
14080         called_with_var_arguments
14081         (ipa_set_param_count): Added.  Changed sole setter to use it.
14082         (ipa_get_param_count): Added.  All readers of param_count
14083         converted to use it instead.
14084         (ipa_set_called_with_variable_arg): Added.
14085         (ipa_is_called_with_var_arguments): Added.
14086         (ipa_get_ith_param): Added.  All readers of param_decls converted
14087         to use it instead.
14088         (ipa_set_cs_argument_count): Added, sole writer to argument_count
14089         changed to use it.
14090         (ipa_get_cs_argument_count): Added, all readers of argument_count
14091         changed to cal it.
14092         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
14093         to use it.
14094
14095         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
14096         (struct ipcp_lattice): Renamed cval_type to type
14097         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
14098
14099         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
14100         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
14101         (ipcp_insert_stage): Changed the type of variable cvalue to tree
14102         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
14103         (build_const_val): Changed the type of parameter cvalue to tree
14104         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
14105         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
14106
14107         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
14108         constant
14109
14110         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
14111         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
14112         (ipa_add_method): Renamed to ipa_push_func_to_list
14113         (ipa_remove_method): Renamed to ipa_pop_func_from_list
14114         (ipa_callsite_param_count): Removed.
14115         (ipa_callsite_param_count_set): Removed.
14116         (ipa_callsite_param): Removed.
14117         (ipa_callsite_callee): Removed.
14118         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
14119         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
14120         (ipa_method_formal_count): Removed.
14121         (ipa_method_formal_count_set): Removed.
14122         (ipa_method_get_tree): Removed.
14123         (ipa_method_tree_map_create): Removed.
14124         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
14125         (ipa_create_param_decls_array): Creates the array itself
14126         (ipa_create_param_decls_array): Temporary variable info instead of
14127         a few dereferences.
14128         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
14129         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
14130         (get_type): Removed.
14131         (ipa_jf_get_info_type): Removed.
14132         (ipa_node_create): Renamed to ipa_create_node_params
14133         (ipa_free): Renamed to ipa_free_all_node_params
14134         (ipa_nodes_create): Renamed to ipa_create_all_node_params
14135         (ipa_edges_create): Renamed to ipa_create_all_edge_args
14136         (ipa_edges_free): Renamed to ipa_free_all_edge_args
14137         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
14138         (ipa_free_all_node_params): Deallocation to jump_functions moved to
14139         ipa_free_all_edge_args
14140         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
14141         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
14142         (ipa_create_methodlist_node): Removed.
14143         (ipa_methodlist_method): Removed.
14144         (ipa_methodlist_method_set): Removed.
14145         (ipa_methodlist_next_method): Removed.
14146         (ipa_methodlist_next_method_set): Removed.
14147         (ipa_method_is_modified): Removed.
14148         (ipa_method_modify_create): Removed.
14149         (ipa_method_modify_init): Temporary variable info instead of a few
14150         dereferences.
14151         (ipa_detect_param_modifications): Temporary variable info instead of
14152         a few dereferences.
14153         (ipa_compute_jump_functions): Temporary variable info instead of
14154         a few dereferences.
14155         (ipa_method_modify_set): Removed.
14156         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
14157         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
14158         than craph_node as the first parameter.
14159         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
14160         (ipa_method_modify_init): Removed.
14161         (ipa_compute_jump_functions): Added a temp variable instead of
14162         repeatadly dereferencing the cgraph_edge.aux pointer
14163         (ipa_callsite_param_set_type): Removed.
14164         (ipa_compute_jump_functions): i renamed to index and moved to
14165         an inner block
14166         (ipa_callsite_param_set_info_type_formal): Removed.
14167         (ipa_callsite_param_set_info_type): Removed.
14168         (ipa_callsite_param_map_create): Removed.
14169         (ipa_callsite_tree): Removed.
14170         (ipa_callsite_caller): Removed.
14171         (ipa_pop_func_from_list): return_method removed to return_func
14172
14173         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
14174         prefixed all values with IPA_. Changed all users.
14175         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
14176         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
14177         and FORMAL_IPATYPE IPA_PASS_THROUGH.
14178         (union parameter_info): Renamed to jump_func_value.
14179         (union jump_func_value): Renamed value to constant
14180         (struct ipa_jump_func): Renamed info_type to value
14181         (struct ipa_node): Renamed to ipa_node_params
14182         (struct ipa_node_params): Renamed ipa_arg_num to param_count
14183         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
14184         (struct ipa_node_params): Renamed ipa_mod to modified_flags
14185         (struct ipa_edge): Renamed to ipa_edge_args
14186         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
14187         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
14188         (struct ipa_methodlist): Renamed to ipa_func_list
14189         (struct ipa_func_list): method_p renamed to node, next_method
14190         renamed to next
14191         (ipa_methodlist_p): Removed, switched all users to struct pointer
14192         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
14193
14194 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
14195
14196         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
14197         (rs6000_emit_epilogue): Use backchain to restore only when we
14198         have a large frame.  Make use of frame pointer to restore if we
14199         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
14200
14201 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
14202
14203         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
14204         Add mode to zero_extract.
14205         (sign bit tests peepholes): (Ditto.).
14206
14207 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
14208
14209         * config/i386/i386.c (ix86_builtins): Replace Prescott New
14210         Instructions in comments with SSE3.
14211         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
14212         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
14213         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
14214         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
14215         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
14216         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
14217         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
14218         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
14219         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
14220         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
14221         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
14222         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
14223         (bdesc_sse_args): Renamed to ...
14224         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
14225         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
14226         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
14227         IX86_BUILTIN_FABSQ.
14228         (bdesc_1arg): Moved to ...
14229         (bdesc_args): Here.
14230         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
14231         Instructions in comments with SSE3.
14232         (ix86_expand_sse_operands_builtin): Renamed to ...
14233         (ix86_expand_args_builtin): This.  Updated.
14234         (ix86_expand_unop1_builtin): Update comments.
14235         (ix86_expand_builtin): Updated.
14236
14237 2008-04-29  Richard Guenther  <rguenther@suse.de>
14238
14239         PR tree-optimization/36078
14240         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
14241         Update virtual SSA form after cleaning up the CFG.
14242
14243 2008-04-29  Richard Guenther  <rguenther@suse.de>
14244
14245         PR middle-end/15255
14246         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
14247
14248 2008-04-29  Richard Guenther  <rguenther@suse.de>
14249
14250         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
14251         (compute_may_aliases): Do not call finalize_ref_all_pointers.
14252         (compute_flow_insensitive_aliasing): Do not treat
14253         PTR_IS_REF_ALL pointers special.
14254         (get_smt_for): Likewise.
14255         (may_alias_p): Re-structure.
14256         (is_escape_site): A ref-all pointer conversion is not an escape site.
14257         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
14258         PTR_IS_REF_ALL pointers special.
14259         * tree-ssa-structalias.h (struct alias_info): Remove
14260         ref_all_symbol_mem_tag field.
14261         (PTR_IS_REF_ALL): Remove.
14262
14263 2008-04-29  Richard Guenther  <rguenther@suse.de>
14264
14265         PR middle-end/36077
14266         * fold-const.c (extract_muldiv_1): In combining division constants
14267         make sure to never overflow.
14268
14269 2008-04-29  Nick Clifton  <nickc@redhat.com>
14270
14271         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
14272
14273 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14274
14275         PR bootstrap/35169
14276         * optc-gen.awk: Work around HP-UX/IA awk bug.
14277
14278 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
14279
14280         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
14281         2008-04-25 commit.
14282
14283 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
14284
14285         PR target/36073
14286         * config/i386/i386.md
14287         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
14288         Change operand 1 predicate to nonimmediate_operand.
14289
14290 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
14291
14292         PR debug/36060
14293         * dwarf2out.c (struct die_struct): Mark as chain_circular through
14294         die_sub field.
14295         * gengtype.c (walk_type, write_func_for_structure): Handle
14296         chain_circular.
14297         * doc/gty.texi: Document chain_circular.
14298
14299 2008-04-28  Richard Guenther  <rguenther@suse.de>
14300
14301         PR tree-optimization/36066
14302         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
14303         SCEV and loop.
14304
14305 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
14306
14307         PR target/36064
14308         * config/i386/i386.md
14309         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
14310         Use match_scratch instead of match_operand for operands 3 and 4.
14311
14312 2008-04-27  Richard Guenther  <rguenther@suse.de>
14313
14314         PR tree-optimization/18754
14315         PR tree-optimization/34223
14316         * tree-pass.h (pass_complete_unrolli): Declare.
14317         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
14318         loop size before and after unconditionally of UL_NO_GROWTH in effect.
14319         Rewrite loop into loop closed SSA form if it is not already.
14320         (tree_unroll_loops_completely): Re-structure to iterate over
14321         innermost loops with intermediate CFG cleanups.
14322         Unroll outermost loops only if requested or the code does not grow
14323         doing so.
14324         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
14325         loops are available.
14326         (tree_vectorize): Instead do so here.
14327         (tree_complete_unroll): Also unroll outermost loops.
14328         (tree_complete_unroll_inner): New function.
14329         (gate_tree_complete_unroll_inner): Likewise.
14330         (pass_complete_unrolli): New pass.
14331         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
14332         uses outside of the loop.
14333         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
14334         form if it is available.
14335         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
14336         * passes.c (init_optimization_passes): Schedule complete inner
14337         loop unrolling pass before the first CCP pass after final inlining.
14338
14339 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
14340
14341         * targhooks.h (default_emutls_var_fields,
14342         default_emutls_var_init): Declare.
14343         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
14344         * target.h (struct gcc_target): Add struct emutls member.
14345         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
14346         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
14347         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
14348         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
14349         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
14350         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
14351         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
14352         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
14353         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
14354         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
14355         emit debug information.
14356         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
14357         * varasm.c: Include targhooks.h.
14358         (emutls_object_section, emutls_tmpl_section): New.
14359         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
14360         (EMUTLS_SEPARATOR): New.
14361         (prefix_name): New.
14362         (get_emutls_object_name): New.
14363         (default_emutls_var_fields): New, broken out of ...
14364         (get_emutls_object_type): ... here.  Adjust to use target hooks.
14365         (get_emutls_init_templ_addr): Adjust to use target hooks.
14366         (emutls_decl): Adjust to use target hooks.
14367         (emutls_finish): Likewise.
14368         (default_emutls_var_init): New, broken out of ...
14369         (assemble_variable): ... here.  Adjust to use target hooks.
14370         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
14371         SECCAT_EMUTLS_TMPL.
14372         * c-common.c (handle_section_attribute): Prevent overriding
14373         sections for emulated tls with special sections.
14374         * config/i386/i386.c (x86_64_elf_select_section): Add
14375         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
14376         (x86_64_elf_unique_section): Likewise.
14377         * config/vxworks.c: Include tree.h.
14378         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
14379         (vxworks_override_options): Set TLS scheme.
14380         * doc/tm.texi (Emulated TLS): New node.
14381
14382 2008-04-26  Simon Baldwin <simonb@google.com>
14383
14384         PR c/35652
14385         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
14386         with propagated string constants.
14387
14388 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
14389
14390         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
14391         constraint for operand 2 when operand 0 is memory operand.
14392         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
14393         operand 0 is memory operand.
14394         (fix_trunc<mode>_i387_with_temp): Ditto.
14395         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
14396         operand 2 when operand 1 is memory operand.
14397         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
14398         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
14399         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
14400         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
14401         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
14402         operands 2,3 and 4 when operand 1 is memory operand.
14403         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
14404         is memory operand.
14405         (fistdi2_floor_with_temp): Ditto.
14406         (fist<mode>2_floor_with_temp): Ditto.
14407         (fistdi2_ceil_with_temp): Ditto.
14408         (fist<mode>2_ceil_with_temp): Ditto.
14409         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
14410
14411 2008-04-26  David Daney  <ddaney@avtrex.com>
14412
14413         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
14414         unspec_volitile.
14415         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
14416         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
14417         UNSPEC_UPDATE_GOT_VERSION): Renumber.
14418         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
14419         (compare_and_swap_12): New insn.
14420         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
14421         * config/mips/mips.c (mips_force_binary): New function.
14422         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
14423         (mips_expand_compare_and_swap_12): New function.
14424         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
14425
14426 2008-04-25  Jan Hubicka  <jh@suse.cz>
14427
14428         PR testsuite/35843
14429         * cfgexpand.c (pass_expand): Turn into RTL pass.
14430         * passes.c (execute_one_pass): Do pass typechecking after execution.
14431         * tree-pass.h (pass_expand): Turn into RTL pass.
14432
14433         * function.h (struct rtl_data): Move here fields
14434         accesses_prior_frames, calls_eh_return, saves_all_registers,
14435         has_nonlocal_goto, has_asm_statement, is_thunk,
14436         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
14437         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
14438         arg_pointer_save_area_init from struct function; turn into bool.
14439         (struct function): Move
14440         calls_eh_return, saves_all_registers, has_nonlocal_goto,
14441         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
14442         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
14443         tail_call_emit, arg_pointer_save_area_init
14444         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
14445         (current_function_returns_struct, current_function_returns_pcc_struct,
14446         current_function_calls_setjmp, current_function_calls_alloca,
14447         current_function_accesses_prior_frames,
14448         current_function_calls_eh_return, current_function_is_thunk,
14449         current_function_stdarg, current_function_profile,
14450         current_function_limit_stack, current_function_uses_pic_offset_table,
14451         current_function_uses_const_pool, current_function_has_nonlocal_label,
14452         current_function_saves_all_registers,
14453         current_function_has_nonlocal_goto,
14454         current_function_has_asm_statement): Remove accesor macros.
14455         * ra-conflict.c (global_conflicts): Update.
14456         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
14457         (suitable_for_tail_call_opt_p): Update.
14458         * builtins.c (expand_builtin_return_addr): Update.
14459         (expand_builtin_setjmp_setup): Update.
14460         (expand_builtin_nonlocal_goto): Update.
14461         * final.c (final_start_function): Update.
14462         (profile_function): Update.
14463         (leaf_function_p): Update.
14464         (only_leaf_regs_used): Update.
14465         * df-scan.c (df_get_exit_block_use_set): Update.
14466         * dojump.c (clear_pending_stack_adjust): Update.
14467         * tree-stdarg.c (gate_optimize_stdarg): Update.
14468         * gimple-low.c (lower_function_body): Update.
14469         * global.c (compute_regsets): Update.
14470         (global_alloc): Update.
14471         * dwarf2out.c (dwarf2out_begin_prologue): Update.
14472         * expr.c (expand_assignment): Update.
14473         * dse.c (dse_step0): Update.
14474         (dse_step1): Update.
14475         * c-decl.c (store_parm_decls): Update.
14476         * local-alloc.c (combine_regs): Update.
14477         (find_free_reg): Update.
14478         * function.c (assign_parms_augmented_arg_list): Update.
14479         (assign_parm_find_data_types): Update.
14480         (assign_parms): Update.
14481         (allocate_struct_function): Update.
14482         (expand_function_start): Update.
14483         (expand_function_end): Update.
14484         (get_arg_pointer_save_area): Update.
14485         (thread_prologue_and_epilogue_insns): Update.
14486         (rest_of_match_asm_constraints): Update.
14487         * stor-layout.c (variable_size): Update.
14488         * gcse.c (gcse_main): Update.
14489         (bypass_jumps): Update.
14490         * gimplify.c (gimplify_function_tree): Update.
14491         * calls.c (emit_call_1): Update.
14492         (expand_call): Update.
14493         * bt-load.c (compute_defs_uses_and_gen): Update.
14494         * except.c (sjlj_assign_call_site_values): Update.
14495         (sjlj_emit_function_enter): Update.
14496         (can_throw_external): Update.
14497         (set_nothrow_function_flags): Update.
14498         (expand_builtin_unwind_init): Update.
14499         (expand_eh_return): Update.
14500         (convert_to_eh_region_ranges): Update.
14501         (output_function_exception_table): Update.
14502         * emit-rtl.c (gen_tmp_stack_mem): Update.
14503         * cfgexpand.c (expand_used_vars): Update.
14504         (tree_expand_cfg): Update.
14505         * cfgcleanup.c (rest_of_handle_jump): Update.
14506         * explow.c (allocate_dynamic_stack_space): Update.
14507         * varasm.c (assemble_start_function): Update.
14508         (force_const_mem): Update.
14509         (mark_constant_pool): Update.
14510         * tree-optimize.c (tree_rest_of_compilation): Update.
14511         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
14512         * tree-cfg.c (notice_special_calls): Update.
14513         (is_ctrl_altering_stmt): Update.
14514         (tree_can_make_abnormal_goto): Update.
14515         (tree_purge_dead_abnormal_call_edges): Update.
14516         * config/alpha/predicates.md: Update.
14517         * config/alpha/alpha.c (alpha_sa_mask): Update.
14518         (alpha_sa_size): Update.
14519         (alpha_does_function_need_gp): Update.
14520         (alpha_expand_prologue): Update.
14521         (alpha_start_function): Update.
14522         (alpha_output_function_end_prologue): Update.
14523         (alpha_expand_epilogue): Update.
14524         * config/frv/frv.c (frv_stack_info): Update.
14525         (frv_expand_epilogue): Update.
14526         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
14527         (s390_register_info): Update.
14528         (s390_frame_info): Update.
14529         (s390_init_frame_layout): Update.
14530         (s390_can_eliminate): Update.
14531         (save_gprs): Update.
14532         * config/spu/spu.c (spu_split_immediate): Update.
14533         (need_to_save_reg): Update.
14534         (spu_expand_prologue): Update.
14535         (spu_expand_epilogue): Update.
14536         * config/sparc/sparc.md: Update.
14537         * config/sparc/sparc.c (eligible_for_return_delay): Update.
14538         (sparc_tls_got): Update.
14539         (legitimize_pic_address): Update.
14540         (sparc_emit_call_insn): Update.
14541         (sparc_expand_prologue): Update.
14542         (output_return): Update.
14543         (print_operand): Update.
14544         (sparc_function_ok_for_sibcall): Update.
14545         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
14546         * config/m32r/m32r.md: Update.
14547         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
14548         (m32r_compute_frame_size): Update.
14549         (m32r_expand_prologue): Update.
14550         (m32r_expand_epilogue): Update.
14551         (m32r_legitimize_pic_address): Update.
14552         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
14553         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
14554         * config/i386/i386.c (ix86_frame_pointer_required): Update.
14555         (gen_push): Update.
14556         (ix86_save_reg): Update.
14557         (ix86_compute_frame_layout): Update.
14558         (ix86_expand_prologue): Update.
14559         (ix86_expand_epilogue): Update.
14560         * config/sh/sh.c (output_stack_adjust): Update.
14561         (calc_live_regs): Update.
14562         (sh5_schedule_saves): Update.
14563         (sh_expand_prologue): Update.
14564         (sh_expand_epilogue): Update.
14565         (sh_setup_incoming_varargs): Update.
14566         (sh_allocate_initial_value): Update.
14567         (sh_get_pr_initial_val): Update.
14568         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
14569         * config/sh/sh.md (label:): Update.
14570         * config/avr/avr.c (out_movhi_mr_r): Update.
14571         * config/crx/crx.h (enum): Update.
14572         * config/xtensa/xtensa.h (along): Update.
14573         * config/stormy16/stormy16.c Update.
14574         (xstormy16_compute_stack_layout): Update.
14575         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
14576         (fr30_expand_prologue): Update.
14577         * config/cris/cris.c (cris_conditional_register_usage): Update.
14578         (cris_reg_saved_in_regsave_area): Update.
14579         (cris_initial_frame_pointer_offset): Update.
14580         (cris_simple_epilogue): Update.
14581         (cris_expand_prologue): Update.
14582         (cris_expand_epilogue): Update.
14583         (cris_expand_pic_call_address): Update.
14584         (cris_asm_output_symbol_ref): Update.
14585         (cris_asm_output_label_ref): Update.
14586         * config/cris/cris.md Update.
14587         * config/iq2000/iq2000.c (compute_frame_size): Update.
14588         (iq2000_expand_epilogue): Update.
14589         * config/mt/mt.h (save_direction): Update.
14590         * config/mn10300/mn10300.c (mn10300_function_value): Update.
14591         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
14592         (ia64_secondary_reload_class): Update.
14593         * config/m68k/m68k.c (m68k_save_reg): Update.
14594         (m68k_expand_prologue): Update.
14595         (m68k_expand_epilogue): Update.
14596         (legitimize_pic_address): Update.
14597         * config/rs6000/rs6000.c (rs6000_got_register): Update.
14598         (first_reg_to_save): Update.
14599         (first_altivec_reg_to_save): Update.
14600         (compute_vrsave_mask): Update.
14601         (compute_save_world_info): Update.
14602         (rs6000_stack_info): Update.
14603         (spe_func_has_64bit_regs_p): Update.
14604         (rs6000_ra_ever_killed): Update.
14605         (rs6000_emit_eh_reg_restore): Update.
14606         (rs6000_emit_allocate_stack): Update.
14607         (rs6000_emit_prologue): Update.
14608         (rs6000_emit_epilogue): Update.
14609         (rs6000_output_function_epilogue): Update.
14610         (output_profile_hook): Update.
14611         (rs6000_elf_declare_function_name): Update.
14612         * config/rs6000/rs6000.h (rs6000_args): Update.
14613         * config/rs6000/rs6000.md: Update.
14614         * config/mcore/mcore.c (mcore_expand_prolog): Update.
14615         * config/arc/arc.c (arc_output_function_epilogue): Update.
14616         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
14617         * config/darwin.c (machopic_function_base_name): Update.
14618         * config/score/score3.c (score3_compute_frame_size): Update.
14619         (rpush): Update.
14620         (rpop): Update.
14621         (score3_epilogue): Update.
14622         * config/score/score7.c (score7_compute_frame_size): Update.
14623         (score7_prologue): Update.
14624         (score7_epilogue): Update.
14625         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
14626         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
14627         * config/arm/arm.c (use_return_insn): Update.
14628         (require_pic_register): Update.
14629         (arm_load_pic_register): Update.
14630         (arm_compute_save_reg0_reg12_mask): Update.
14631         (arm_compute_save_reg_mask): Update.
14632         (thumb1_compute_save_reg_mask): Update.
14633         (output_return_instruction): Update.
14634         (arm_output_function_prologue): Update.
14635         (arm_output_epilogue): Update.
14636         (arm_get_frame_offsets): Update.
14637         (arm_expand_prologue): Update.
14638         (thumb_pushpop): Update.
14639         (thumb_exit): Update.
14640         (thumb1_expand_prologue): Update.
14641         (thumb1_expand_epilogue): Update.
14642         (arm_unwind_emit): Update.
14643         (arm_output_fn_unwind): Update.
14644         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
14645         * config/arm/arm.md: Update.
14646         * config/pa/pa.md: Update.
14647         * config/pa/pa.c (legitimize_pic_address): Update.
14648         (compute_frame_size): Update.
14649         (hppa_expand_prologue): Update.
14650         (hppa_expand_epilogue): Update.
14651         (borx_reg_operand): Update.
14652         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
14653         (HARD_REGNO_RENAME_OK): Update.
14654         * config/mips/mips.c (mips_global_pointer): Update.
14655         (mips_save_reg_p): Update.
14656         (mips_compute_frame_info): Update.
14657         (mips_frame_pointer_required): Update.
14658         (mips_expand_prologue): Update.
14659         (mips_expand_epilogue): Update.
14660         (mips_can_use_return_insn): Update.
14661         (mips_reorg_process_insns): Update.
14662         * config/v850/v850.c (compute_register_save_size): Update.
14663         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
14664         * config/mmix/mmix.c (along): Update.
14665         (mmix_expand_epilogue): Update.
14666         * config/bfin/bfin.c (legitimize_pic_address): Update.
14667         (must_save_p): Update.
14668         (stack_frame_needed_p): Update.
14669         (add_to_reg): Update.
14670         (bfin_expand_prologue): Update.
14671         * stmt.c (expand_asm_operands): Update.
14672         * reload1.c (reload): Update.
14673         (init_elim_table): Update.
14674
14675 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
14676
14677         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
14678
14679 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
14680
14681         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
14682         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
14683         (mov<mode>): Removed.
14684         (*movv4sf_internal): Likewise.
14685         (*movv2df_internal): Likewise.
14686
14687 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
14688
14689         * config.gcc (crx-*-elf): Remove deprecation.
14690
14691 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
14692
14693         * config/i386/cygming-crtend.c (register_frame_ctor): Register
14694         __gcc_deregister_frame with atexit.
14695         (deregister_frame_dtor): Remove.
14696
14697 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
14698             Nathan Sidwell  <nathan@codesourcery.com>
14699
14700         * config/rs6000/rs6000.opt (mspe): Remove Var property.
14701         (misel): Likewise.
14702         * config/rs6000/rs6000.h (rs6000_spe): Declare.
14703         (rs6000_isel): Likewise.
14704         * config/rs6000/rs6000.c (rs6000_spe): New variable.
14705         (rs6000_isel): New variable.
14706         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
14707
14708 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
14709
14710         PR c++/35758
14711         * c-common.c (handle_vector_size_attribute): Call
14712         lang_hooks.types.reconstruct_complex_type instead of
14713         reconstruct_complex_type.
14714         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
14715         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
14716         * langhooks.h (struct lang_hooks_for_types): Add
14717         reconstruct_complex_type hook.
14718         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
14719         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
14720
14721 2008-04-24  Richard Guenther  <rguenther@suse.de>
14722
14723         * c-common.h (check_builtin_function_arguments): Declare.
14724         * c-common.c (validate_nargs): New function.
14725         (check_builtin_function_arguments): Likewise.
14726         * c-typeck.c (build_function_call): Call
14727         check_builtin_function_arguments.
14728         * builtins.c (fold_builtin_classify): Remove error reporting code.
14729         (fold_builtin_unordered_cmp): Likewise.
14730         (fold_builtin_1): Likewise.
14731         (fold_builtin_n): Likewise.
14732
14733 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
14734
14735         PR tree-optimization/36008
14736         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
14737         the original op1, rather than delta by step.
14738
14739 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
14740             Sebastian Pop  <sebastian.pop@amd.com>
14741
14742         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
14743         eliminate_local_variables_stmt, eliminate_local_variables,
14744         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
14745         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
14746         of code delimited by two edges in the CFG.
14747         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
14748         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
14749         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
14750         the case of parallelisation of reductions.
14751         (expr_invariant_in_region_p): New.
14752
14753         * tree-flow.h (gather_blocks_in_sese_region): Declared.
14754         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
14755
14756 2008-04-24  Ira Rosen  <irar@il.ibm.com>
14757             Richard Guenther  <rguenther@suse.de>
14758
14759         PR tree-optimization/36034
14760         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
14761         incapable of dealing with loads with gaps.
14762
14763 2008-04-24  Rafael Espindola  <espindola@google.com>
14764
14765         * tree-flow.h (vrp_evaluate_conditional): Change signature.
14766         * tree-ssa-propagate.c (fold_predicate_in): Update call to
14767         vrp_evaluate_conditional.
14768         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
14769         (vrp_evaluate_conditional): Split the cond argument.
14770         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
14771         (simplify_stmt_for_jump_threading): Update call to
14772         vrp_evaluate_conditional.
14773
14774 2008-04-24  Ira Rosen  <irar@il.ibm.com>
14775
14776         PR tree-optimization/35982
14777         * tree-vect-analyze.c (vect_check_interleaving): Check that the
14778         interleaved data-refs are of the same type.
14779
14780 2008-04-24  Danny Smith  <dannysmith@users.net>
14781
14782         * c-format.c (check_format_info_main): Use strncmp rather than a
14783         magic prefix to handle multichar length specs.
14784         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
14785         Don't prefix "I64" and "I32" with '\0'.
14786
14787 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
14788
14789         PR target/36015
14790         * config/i386/i386.c (init_cumulative_args): Don't pass anything
14791         in registers for -m32 only if stdarg_p (fntype).
14792
14793 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
14794
14795         PR rtl-optimization/36006
14796         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
14797         temp to op0 in order to avoid invalid rtx sharing.
14798
14799 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
14800
14801         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
14802         check TREE_INVARIANT.
14803         * tree-gimple.c (is_gimple_address): New.
14804         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
14805         * tree-gimple.h (is_gimple_address): New.
14806         * tree.h (decl_address_invariant_p): New.
14807         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
14808         (build_string): Likewise.
14809         (decl_address_invariant_p): New, from is_gimple_invariant_address.
14810         (tree_invariant_p_1): Likewise.
14811         (save_expr): Use it.
14812         (tree_invariant_p): New.
14813         (skip_simple_arithmetic): Use it.
14814         (stabilize_reference_1): Use it.
14815         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
14816         simplify.
14817         (build1_stat): Drop code to compute TREE_INVARIANT.
14818         (build2_stat): Drop code to compute TREE_INVARIANT.
14819         (build3_stat): Drop code to compute TREE_INVARIANT.
14820         (build4_stat): Drop code to compute TREE_INVARIANT.
14821         (build5_stat): Drop code to compute TREE_INVARIANT.
14822         (build7_stat): Drop code to compute TREE_INVARIANT.
14823         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
14824         * tree.h (struct tree_base): Remove invariant_flag.
14825         (TREE_INVARIANT): Remove.
14826         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
14827         (fold_builtin_expect): Check TREE_CONSTANT.
14828         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
14829         * c-tree.h (c_expr_to_decl): Drop third parameter.
14830         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
14831         (build_c_cast): Don't set TREE_INVARIANT.
14832         (pop_init_level): Don't set TREE_INVARIANT.
14833         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
14834         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
14835         TREE_CONSTANT.
14836         (gimplify_init_constructor): Don't set TREE_INVARIANT.
14837         (gimplify_addr_expr): Adjust comment.
14838         * tree-mudflap.c (mf_build_string):
14839         * print-tree.c (print_node): Don't print TREE_INVARIANT.
14840         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
14841         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
14842         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
14843         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
14844         * langhooks.h (struct lang_hooks): Drop third parameter from
14845         expr_to_decl.
14846
14847 2008-04-23  Richard Guenther  <rguenther@suse.de>
14848
14849         PR tree-optimization/27799
14850         PR tree-optimization/32921
14851         PR tree-optimization/32624
14852         * tree-ssa-structalias.c (merge_smts_into): Only merge the
14853         SMTs aliases and the tag itself into the solution.
14854         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
14855         merge the points-to solution back into the SMT aliases.
14856         (may_alias_p): Use alias_set_subset_of instead of
14857         aliases_conflict_p.  A pointer which points to
14858         memory with alias set zero may access any variable.
14859
14860 2008-04-23  Richard Guenther  <rguenther@suse.de>
14861
14862         * alias.c (alias_set_subset_of): Correctly handle asking
14863         if zero is a subset of an alias set with zero child.
14864         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
14865         (compute_flow_insensitive_aliasing): Correctly walk all
14866         pointers.  Do not unnecessarily union sets.
14867
14868 2008-04-23  Richard Guenther  <rguenther@suse.de>
14869
14870         PR middle-end/36021
14871         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
14872
14873 2008-04-22  Tomas Bily  <tbily@suse.cz>
14874
14875         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
14876         unreachable case.
14877         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
14878         NON_LVALUE_EXPR.
14879         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
14880         * tree-ssa-structalias.c (get_constraint_for): Likewise.
14881         * tree-inline.c (estimate_num_insns_1): Likewise.
14882         * varasm.c (const_hash_1, compare_constant, copy_constant)
14883         (compute_reloc_for_constant, output_addressed_constants): Likewise.
14884         * emit-rtl.c (component_ref_for_mem_expr)
14885         (set_mem_attributes_minus_bitpos): Likewise.
14886         * expr.c (highest_pow2_factor, expand_expr_real_1, )
14887         (is_aligning_offset): Likewise.
14888         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
14889         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
14890         * dojump.c (do_jump): Likewise.
14891         * builtins.c (get_pointer_alignment, get_memory_rtx)
14892         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
14893         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
14894
14895 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
14896
14897         PR rtl-optimization/36017
14898         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
14899         expanding the library call.
14900
14901 2008-04-22  Ian Lance Taylor  <iant@google.com>
14902
14903         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
14904         than size_in_bytes.
14905
14906 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
14907
14908         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
14909         of LR/CTR moves for Power6.
14910
14911 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
14912
14913         PR middle-end/36003
14914         * passes.c (init_optimization_passes): Remove
14915         pass_fast_rtl_byte_dce.
14916
14917 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
14918
14919         PR target/29096
14920         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
14921         builtin functions to generate faster code.
14922         (_mm_cvtpu16_ps): Ditto.
14923         (_mm_cvtpi32x2_ps): Ditto.
14924
14925 2008-04-22  Nick Clifton  <nickc@redhat.com>
14926
14927         * common.opt (ftree-loop-distribution): Add Optimization
14928         attribute.
14929
14930         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
14931         (frv_expand_builtin_va_start): Likewise.
14932
14933         * config/arm/arm.c (thumb_find_work_register): Fix location of
14934         argument register count.
14935
14936 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
14937
14938         Support scheduling for ColdFire V1 and V3 microarchitecture.
14939         Improve scheduling of multiplication instructions.
14940
14941         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
14942         (mac): New instruction attribute.
14943         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
14944         (m68k_sched_mac): New variable.
14945         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
14946         Handle cfv1 and cfv3.
14947         (max_insn_size): New static variable.
14948         (struct _sched_ib): New type.
14949         (sched_ib): New static variable.
14950         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
14951         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
14952         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
14953         Update.
14954         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
14955         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
14956         new variables.  Update.
14957         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
14958         Add modeling of cfv3 instruction buffer.  Update.
14959         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
14960         * config/m68k/m68k.h (TUNE_CFV3): New macro.
14961         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
14962         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
14963         a particular reservation applies to.
14964         (type2): Reorganize attribute values.  Rename alu to alu_reg,
14965         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
14966         to mul_l and mul_w.
14967         (cf_ib_*): Simplify description of instruction buffer.
14968         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
14969         (cf_mem): Split into cf_mem1 and cf_mem2.
14970         (cf_v2_move_??): Rename to cfv12_alu_??.
14971         (cf_v2_move_l_??): Rename to cfv12_omove_??.
14972         (cf_v2_mul_??): Remove reservations.
14973         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
14974         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
14975         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
14976         appropriate place.
14977         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
14978         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
14979         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
14980         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
14981         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
14982         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
14983         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
14984         expansions of the above reservations for instructions of sizes
14985         1, 2 and 3 words.
14986
14987 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
14988
14989         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
14990
14991 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
14992
14993         * coverage.c: Include tree-pass.h.
14994         (coverage_counter_alloc): Print da_file_name to the dump file.
14995
14996 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
14997
14998         * sbitmap.c (sbitmap_range_empty_p): New function.
14999         * sbitmap.h (sbitmap_range_empty_p): New function.
15000         * bitmap.h: Now includes obstack.h.
15001
15002 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
15003             Kenneth Zadeck  <zadeck@naturalbridge.com>
15004
15005         * dbgcnt.def (ra_byte_scan): Added.
15006         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
15007         when the last hit happens for a counter.
15008         * timevar.def (TV_DF_BYTE_LR): New variable.
15009         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
15010         * passes.c (pass_fast_rtl_byte_dce): New pass.
15011         * fwprop.c (update_df): Added mode to call df_ref_create.
15012         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
15013         DF_REF_EXTRACT_OFFSET.
15014         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
15015         DF_BYTE_LR_OUT, df_byte_lr): New macro.
15016         (df_mm): New enum.
15017         (df_ref_extract): Added mode field.
15018         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
15019         DF_REF_EXTRACT_OFFSET.
15020         (DF_REF_EXTRACT_MODE): New macro.
15021         (df_byte_lr_bb_info): New structure.
15022         (df_print_byte_regset, df_compute_accessed_bytes,
15023         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
15024         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
15025         df_byte_lr_simulate_uses,
15026         df_byte_lr_simulate_artificial_refs_at_top,
15027         df_byte_lr_simulate_artificial_refs_at_end,
15028         df_compute_accessed_bytes): New function.
15029         (df_ref_create): Add parameter.
15030         (df_byte_lr_get_bb_info): New inline function.
15031         * df-scan.c (df_ref_record, df_uses_record,
15032         df_ref_create_structure): Added mode parameter.
15033         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
15034         df_defs_record, df_uses_record, df_get_conditional_uses,
15035         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
15036         df_entry_block_defs_collect, df_exit_block_uses_collect):
15037         Added mode parameter to calls to df_ref_record, df_uses_record,
15038         df_ref_create_structure.
15039         (df_ref_equal_p, df_ref_compare): Added test for modes.
15040         (df_ref_create_structure): Added code to set mode.  Renamed
15041         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
15042         DF_REF_EXTRACT_OFFSET.
15043         * df-core.c (df_print_byte_regset): New function.
15044         * df-byte-scan.c: New file.
15045         * df-problems.c (df_rd_transfer_function): Removed unnecessary
15046         calls to BITMAP_FREE.
15047         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
15048         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
15049         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
15050         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
15051         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
15052         df_byte_lr_local_compute, df_byte_lr_init,
15053         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
15054         df_byte_lr_transfer_function, df_byte_lr_free,
15055         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
15056         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
15057         df_byte_lr_simulate_uses,
15058         df_byte_lr_simulate_artificial_refs_at_top,
15059         df_byte_lr_simulate_artificial_refs_at_end): New function.
15060         * dce.c (byte_dce_process_block): New function.
15061         (dce_process_block): au is now passed in rather than computed
15062         locally.  Changed loops that look at artificial defs to not look
15063         for conditional or partial ones, because there never are any.
15064         (fast_dce): Now is able to drive byte_dce_process_block or
15065         dce_process_block depending on the kind of dce being done.
15066         (rest_of_handle_fast_dce): Add parameter to fast_dce.
15067         (rest_of_handle_fast_byte_dce): New function.
15068         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
15069         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
15070
15071 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
15072
15073         PR fortran/35019
15074         * gcc.h: Added fortran options that take arguments to
15075         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
15076         macros.
15077
15078 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
15079
15080         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
15081         scalarization if on the LHS and not a full access.
15082
15083 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15084
15085         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
15086
15087 2008-04-18  Rafael Espindola  <espindola@google.com>
15088
15089         * tree-vrp.c (find_case_label_index): Fix the binary search.
15090         (find_case_label_range): New.
15091         (vrp_visit_switch_stmt): Use find_case_label_range.
15092         (simplify_switch_using_ranges): Use find_case_label_range.
15093
15094 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
15095
15096         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
15097         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
15098
15099 2008-04-18  Tom Tromey  <tromey@redhat.com>
15100
15101         PR libcpp/15500:
15102         * doc/cpp.texi (Implementation-defined behavior): Mention
15103         -finput-charset.
15104
15105 2008-04-18  Ian Lance Taylor  <iant@google.com>
15106
15107         * fold-const.c (pointer_may_wrap_p): New static function.
15108         (fold_comparison): Add another test for pointer overflow.  Use
15109         pointer_may_wrap_p to disable some false positives.
15110
15111 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
15112
15113         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
15114         (fname_as_string): Match updated cpp_interpret_string prototype.
15115         (fix_string_type): Support char16_t* and char32_t*.
15116         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
15117         derivative) nodes.  Register as builtin if C++0x.
15118         (c_parse_error): Support CPP_CHAR{16,32}.
15119         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
15120         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
15121         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
15122         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
15123         CTI_CHAR32_ARRAY_TYPE>: New elements.
15124         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
15125         char32_type_node, signed_char32_type_node, char16_array_type_node,
15126         char32_array_type_node): New defines.
15127         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
15128         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
15129         (lex_string): Support CPP_STRING{16,32}, match updated
15130         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
15131         (lex_charconst): Support CPP_CHAR{16,32}.
15132         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
15133         and CPP_STRING{16,32}.
15134
15135 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
15136
15137         PR bootstrap/35457
15138         * aclocal.m4: Regenerate.
15139         * configure: Regenerate.
15140
15141 2008-04-18  Jan Hubicka  <jh@suse.cz>
15142
15143         * except.c (dw2_size_of_call_site_table,
15144         sjlj_size_of_call_site_table): Use vector API for call_site_record.
15145
15146         * cgraphbuild.c (build_cgraph_edges): Update.
15147         * tree-pass.h: Update comment.
15148         * final.c (leaf_function_p): Update.
15149         (leaf_renumber_regs): Update.
15150         (rest_of_clean_state): Update.
15151         * omp-low.c (expand_omp_parallel): Update.
15152         * ipa-reference.c (analyze_function): Update.
15153         * reorg.c (find_end_label): Update.
15154         (optimize_skip): Update.
15155         (fill_simple_delay_slots): Update.
15156         (fill_simple_delay_slots): Update.
15157         (make_return_insns): Update.
15158         (dbr_schedule): Update.
15159         * gimple-low.c (record_vars_into): Update.
15160         * cfgbuild.c (make_edges): Update.
15161         * function.c (assign_stack_local): Update.
15162         (assign_parm_adjust_stack_rtl): Update.
15163         (locate_and_pad_parm): Update.
15164         (allocate_struct_function): Do not initialize stack_alignment_needed
15165         and preferred_stack_boundary here.
15166         (stack_protect_prologue): Update.
15167         (stack_protect_epilogue): Update.
15168         (expand_function_start): Initialize stack_alignment_needed,
15169         preferred_stack_boundary and max_jumptable_ents.
15170         (expand_function_end): Update.
15171         (free_after_compilation): Do not NULLify epilogue_delay_list.
15172         * function.h (struct rtl_data): Add stack_protect_guard,
15173         stack_alignment_needed,
15174         preferred_stack_boundary, epilogue_delay_list.
15175         (struct function): Remove value_histograms, stack_alignment_needed,
15176         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
15177         last_label_uid,
15178         unexpanded_var_list, stack_protect_guard.
15179         (current_function_epilogue_delay_list): Remove.
15180         * ipa-type-escape.c (analyze_function): Update.
15181         * gimplify.c (pop_gimplify_context): Update comment.
15182         * calls.c (expand_call): Update.
15183         (emit_library_call_value_1): Update.
15184         * except.c (set_nothrow_function_flags): Update.
15185         * cfgexpand.c (get_decl_align_unit): Update.
15186         (create_stack_guard): Update.
15187         (estimated_stack_frame_size): Update.
15188         (expand_used_vars): Update.
15189         (tree_expand_cfg): Free histogram earliers, init expansion variables.
15190         * explow.c (allocate_dynamic_stack_space): Update.
15191         * tree-ssa-live.c (remove_unused_locals): Update.
15192         * varasm.c (mark_constant_pool): Update.
15193         * tree-inline.c (remap_decls): Update.
15194         (initialize_cfun): Update.
15195         (declare_return_variable): Update.
15196         (inline_forbidden_p): Update.
15197         (expand_call_inline): Update.
15198         (declare_inline_vars): Update.
15199         (tree_function_versioning): Update.
15200         * tree-flow.h (value_histograms): New.
15201         (VALUE_HISTOGRAMS): New macro.
15202         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
15203         last_label_uid.
15204         * tree-cfg.c (set_bb_for_stmt): Update.
15205         (replace_by_duplicate_decl): Update.
15206         (move_block_to_fn): Update.
15207         (new_label_mapper): Update.
15208         (dump_function_to_file): Update.
15209         * ipa-struct-reorg.c (build_data_structure): Update.
15210         * cfgrtl.c (print_rtl_with_bb): Update.
15211         * reload1.c (reload): Update.
15212         (reload): Update.
15213         * config/i386/i386.c (setup_incoming_varargs_64,
15214         ix86_compute_frame_layout): Update.
15215         * config/arc/arc.c (arc_output_function_epilogue): Update.
15216
15217 2008-04-18  Marius Strobl <marius@FreeBSD.org>
15218
15219         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
15220         for FreeBSD as well.
15221         * gthr-posix95.h: Likewise.
15222
15223 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
15224
15225         PR rtl-optimization/35838
15226         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
15227         out the byte offset of the first subreg.
15228
15229 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
15230
15231         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
15232         to split_ti instead of three separate calls with single member arrays.
15233         (subti3 splitter): Ditto.
15234         (adddi3 splitter): Ditto with split_di.
15235         (subdi3 splitter): Ditto.
15236         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
15237         two separate calls with single member arrays.  Swap match_dup
15238         operands 1 and 2 to better fit into the array.
15239         (negdi2 splitter): Ditto with split_di.
15240         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
15241         two separate calls with single member arrays.  Swap match_dup operands
15242         6 and 7 to better fit into the array.
15243
15244 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
15245
15246         * config/i386/i386.c (sse_builtin_type): New.
15247         (bdesc_sse_args): Likewise.
15248         (bdesc_sse_3arg): Removed.
15249         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
15250         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
15251         IX86_BUILTIN_ROUNDPS.
15252         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
15253         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
15254         IX86_BUILTIN_ROUNDPS.
15255         (ix86_expand_sse_4_operands_builtin): Removed.
15256         (ix86_expand_sse_operands_builtin): New.
15257         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
15258         and CODE_FOR_sse4_1_roundps.
15259         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
15260         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
15261
15262 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
15263
15264         PR target/35907
15265         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
15266         regs before frame pop when needed.  If use_backchain_to_restore_sp
15267         then load backchain into a temp reg to restore vr and vrsave.  Add
15268         code to restore vr after frame pop if possible.
15269
15270 2008-04-17  Richard Guenther  <rguenther@suse.de>
15271
15272         * tree-vn.c (expressions_equal_p): Do not check type
15273         equality or compatibility before calling operand_equal_p.
15274         * fold-const.c (operand_equal_p): Check equivalence of
15275         integer constants before bailing out due to signedness or
15276         precision differences.
15277         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
15278         spurious differences in type qualification.  Ignore types
15279         for COMPONENT_REFs at all.
15280
15281 2008-04-17  Christian Bruel  <christian.bruel@st.com>
15282
15283         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
15284         msw_skip comparison.
15285
15286 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
15287
15288         PR c/35739
15289         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
15290         reg type.
15291
15292         PR tree-optimization/35899
15293         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
15294         rather than TREE_OPERAND.
15295
15296 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
15297
15298         PR target/35944
15299         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
15300         temporary registers.  Change operand predicate to general_operand.
15301         (remainderxf3): Ditto.
15302
15303 2008-04-16  Richard Guenther  <rguenther@suse.de>
15304
15305         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
15306         * tree-affine.c (aff_combination_expand): Look through some
15307         conversions.
15308
15309 2008-04-15  Doug Kwan  <dougkwan@google.com>
15310
15311         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
15312         for hex printing.
15313         * tree-pretty-print.c (dump_generic_node): Ditto.
15314         * final.c (output_addr_const): Ditto.
15315         * dwarf2out.c (output_cfi): Ditto.
15316         * c-pretty-print.c (pp_c_integer_constant): Ditto.
15317         * print-rtl.c (print_rtx): Ditto.
15318         * print-tree.c (print_node_brief, print_node): Ditto.
15319         * c-common.c (match_case_to_enum_1): Ditto.
15320         * sched-vis.c (print_value): Ditto.
15321         * config/i386/i386.c (print_operand): Cast to long unsigned int
15322         for hex printing.
15323
15324 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
15325         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
15326         MS Windows VirtualProtect function.
15327
15328 2008-04-15  Jan Hubicka  <jh@suse.cz>
15329
15330         * gengtype.c (write_root): Param_is argument is OK.
15331         * expr.c (expand_expr_real_1): Update call of get_exception_*.
15332         * function.h: Include varray.h
15333         (rtl_eh): New stucture based on except.c one.
15334         (call_site_record): New forward declaration and vector type.
15335         * calls.c (emit_call_1): Do not call
15336         note_current_region_may_contain_throw.
15337         * except.c (eh_status): Remove cur_region, try_region since they are
15338         unused.
15339         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
15340         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
15341         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
15342         Remove call_site_data_used, call_site_data_size.
15343         Turn call_site_record into vector in function.h.
15344         (note_current_region_may_contain_throw): Remove.
15345         (get_exception_pointer, get_exception_filter): Do not take struct
15346         function argument; update.
15347         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
15348         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
15349         build_post_landing_pads, dw2_build_landing_pads,
15350         sjlj_assign_call_site_values, sjlj_mark_call_sites,
15351         sjlj_emit_function_enter, sjlj_emit_function_enter,
15352         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
15353         sjlj_build_landing_pads, finish_eh_generation,
15354         remove_exception_handler_label, remove_eh_handler,
15355         maybe_remove_eh_handler, add_reachable_handler,
15356         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
15357         add_action_record, collect_one_action_chain, add_call_site,
15358         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
15359         sjlj_output_call_site_table, output_function_exception_table,
15360         * except.h (note_current_region_may_contain_throw): Remove
15361         (get_exception_pointer, get_exception_filter): Do not take struct
15362         function argument.
15363         * Makefile.in (GTFILES): Put varargs before struct function.
15364
15365 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
15366
15367         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
15368         punt for STRING_CST.
15369         (get_constraint_for): Deal with STRING_CST here instead.
15370
15371 2008-04-15  Richard Guenther  <rguenther@suse.de>
15372
15373         * tree-ssa-propagate.c (substitute_and_fold): Substitute
15374         statements in a basic-block with a backward walk.  Do not
15375         substitute into dead statements but instead remove those.
15376
15377 2008-04-15  Richard Guenther  <rguenther@suse.de>
15378
15379         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
15380         to zero, thus disable creation of SFTs.
15381
15382 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
15383
15384         * tree-predcom.c (suitable_reference_p): Return false if the
15385         reference can throw.
15386
15387 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
15388
15389         PR c/35751
15390         * c-decl.c (finish_decl): If extern or static var has variable
15391         size, set TREE_TYPE (decl) to error_mark_node.
15392
15393 2008-04-15  Rafael Espindola  <espindola@google.com>
15394
15395         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
15396         variable arg1.
15397
15398 2008-04-15  Richard Guenther  <rguenther@suse.de>
15399
15400         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
15401         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
15402         (visit_reference_op_load): Do walk vuse-vdef chains on
15403         vn_reference_lookup.
15404         (visit_reference_op_store): But do not here.
15405         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
15406         vn_reference_lookup.
15407         (vn_lookup_with_vuses): But do so here.
15408
15409 2008-04-14  Ian Lance Taylor  <iant@google.com>
15410
15411         * fold-const.c (fold_overflow_warning): Remove assertion.
15412
15413 2008-04-15  Ben Elliston  <bje@au.ibm.com>
15414
15415         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
15416         temp1 local variables.
15417
15418 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
15419
15420         PR target/35661
15421         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
15422         ".text.unlikely" section as executable.
15423
15424 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
15425
15426         * config/ia64/ia64.c (rtx_needs_barrier): Handle
15427         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
15428         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
15429         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
15430         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
15431         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
15432         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
15433
15434 2008-04-14  Ian Lance Taylor  <iant@google.com>
15435
15436         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
15437         * fold-const.c (fold_comparison): If appropriate, test
15438         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
15439         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
15440         reassociating a pointer type.
15441         * doc/invoke.texi (Optimize Options): Document that
15442         -fstrict-overflow applies to pointer wraparound.
15443
15444 2008-04-13  Jan Hubicka  <jh@suse.cz>
15445
15446         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
15447
15448 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
15449
15450         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
15451         we are going to "save the world".
15452
15453 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
15454
15455         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
15456         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
15457         operand 0 constraint, not "=".
15458
15459 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
15460
15461         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
15462
15463 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
15464
15465         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
15466         of size of positions_needed * CHAR_BIT.
15467
15468 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
15469
15470         PR middle-end/35897
15471         * dse.c (store_info): Change positions_needed to unsigned
15472         HOST_WIDE_INT.
15473         (lowpart_bitmask): New.
15474         (record_store): Cast to unsigned HOST_WIDE_INT for
15475         positions_needed.  Assert width <= size of positions_needed *
15476         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
15477         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
15478         lowpart_bitmask to set mask.
15479
15480 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
15481
15482         * config/bfin/constraints.md: New file.
15483         * config/bfin/bfin.md: Include it.
15484         (adddi3): Use satisfies_constraint functions instead of the old macros.
15485         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
15486         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
15487         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
15488         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
15489         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
15490         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
15491         EXTRA_CONSTRAINT): Delete.
15492         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
15493         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
15494         of the old macros.
15495         * config/bfin/bfin.c: Include "tm-constrs.h".
15496         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
15497         Use satisfies_constraint functions instead of the old macros.
15498         * doc/md.texi (Blackfin Constraints): Update file name reference.
15499
15500 2008-04-11  Richard Guenther  <rguenther@suse.de>
15501
15502         PR tree-optimization/35869
15503         * tree-vrp.c (execute_vrp): Move switch statement update after
15504         jump threading.  Schedule another cfg cleanup run.
15505
15506 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
15507
15508         PR c/35744
15509         * attribs.c (decl_attributes): Return early on errorneous node.
15510
15511 2008-04-10  Oleg Ryjkov  <olegr@google.com>
15512
15513         * tree.h (struct tree_base): Added a new flag default_def_flag.
15514         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
15515
15516 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
15517
15518         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
15519
15520 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15521
15522         PR target/35768
15523         * pa.md: Define mode iterator P.  Define mode attribute dwc.
15524         (dcacheflush): Update pattern to use iterator P and attribute dwc.
15525         (icacheflush): Likewise.
15526         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
15527         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
15528
15529 2008-04-11  Ben Elliston  <bje@au.ibm.com>
15530
15531         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
15532
15533 2008-04-10  Rafael Espindola  <espindola@google.com>
15534
15535         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
15536         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
15537         (extract_range_from_expr): The same.
15538
15539 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
15540
15541         * config/mips/mips.md (GPR2): New mode iterator.
15542         (seq): Add comment.
15543         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
15544         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
15545         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
15546         Rewrite these to take two modes, the mode of comparison and the
15547         mode of the destination.
15548         * config/mips/mips.c (mips_expand_scc): Instead of having
15549         paradoxical subreg as destination, expand "narrowing" scc if mode
15550         of comparison is SI and target is requested in DI mode.
15551         (mips_emit_int_order_test): Update comment.  Make mode of
15552         comparison match CMP0 rather than TARGET.  When creating inverse
15553         target use mode of TARGET.
15554
15555 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
15556
15557         * gcov-dump.c (tag_summary): Only print summaries for the first
15558         GCOV_COUNTERS_SUMMABLE counters.
15559
15560 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
15561
15562         * config/i386/i386.md (absneg): New code iterator.
15563         (absnegprefix): New code attribute.
15564         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
15565         patterns using absneg code iterator.
15566         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
15567         using absneg code iterator.
15568         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
15569         *neg<mode>2 patterns using absneg code iterator.
15570         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
15571         *negextendsfdf2 patterns using absneg code iterator.
15572         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
15573         *negextendsfxf2 patterns using absneg code iterator.
15574         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
15575         *negextendsfdf2 patterns using absneg code iterator.
15576         * config/i386/sse.md (<code><mode>2): Macroize expander from
15577         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
15578
15579 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
15580
15581         * config/s390/s390.h: Remove the remains of the recent search
15582         & replace action of current_function_outgoing_args_size.
15583
15584 2008-04-10  Ira Rosen  <irar@il.ibm.com>
15585
15586         PR tree-optimization/35821
15587         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
15588         NEW_STMT_LIST is not NULL.
15589
15590 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
15591
15592         PR libstdc++/35597
15593         * toplev.c (process_options): Remove -ffunction-sections debugging
15594         warning.
15595
15596 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
15597
15598         PR middle-end/PR28690
15599         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
15600         than gen_rtx_fmt_ee to perform more canonicalizations.
15601
15602 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15603
15604         PR driver/35665
15605         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
15606
15607 2008-04-09  Richard Guenther  <rguenther@suse.de>
15608
15609         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
15610         (dump_function_to_file): Dump function arguments with types.
15611
15612 2008-04-08  Richard Guenther  <rguenther@suse.de>
15613
15614         * fold-const.c (fold_widened_comparison): Do not allow
15615         sign-changes that change the result.
15616
15617 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
15618
15619         PR target/35839
15620         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
15621         kinds of indirect references.
15622
15623 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
15624
15625         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
15626         GNU Fortran language string.
15627
15628 2008-04-08  Rafael Espindola  <espindola@google.com>
15629
15630         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
15631         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
15632         * tree.h (tree_call_nonnegative_warnv_p): New.
15633
15634 2008-04-08  Jan Hubicka  <jh@suse.cz>
15635
15636         * function.c (free_after_compilation): Clear out regno_reg_rtx
15637         pointer.
15638
15639 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
15640
15641         Revert
15642         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
15643
15644         PR middle-end/PR28690
15645         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
15646         same precedence as REG_POINTER and MEM_POINTER operands.
15647
15648 2008-04-08  Richard Guenther  <rguenther@suse.de>
15649
15650         PR middle-end/35834
15651         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
15652         for adding index to base.
15653
15654 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
15655
15656         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
15657         (MINGW_ENABLE_EXECUTE_STACK): New.
15658         (IN_LIBGCC2): For libgcc include windows.h file for
15659         function declarations.
15660
15661 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
15662
15663         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
15664         and tem2 if tem1 is not a REG or MULT.
15665
15666 2008-04-08  Jan Hubicka  <jh@suse.cz>
15667
15668         * function.h (incomming_args): Break out of struct function.
15669         (function_subsections): Break out of struct function.
15670         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
15671         return_rtx and hard_reg_initial_vals from struct function.
15672         Kill inl_max_label_num.
15673         (current_function_pops_args, current_function_args_info,
15674         current_function_args_size, current_function_args_size,
15675         current_function_pretend_args_size,
15676         current_function_outgoing_args_size,
15677         current_function_internal_arg_pointer, current_function_return_rtx):
15678         Kill compatibility accestor macros.
15679         * builtins.c (expand_builtin_apply_args_1): Update.
15680         (expand_builtin_next_arg): Update.
15681         * df-scan.c (df_get_call_refs): Update.
15682         * dbxout.c (dbxout_function_end): Update.
15683         * dwarf2out.c (dwarf2out_switch_text_section): Update.
15684         (output_line_info): Update.
15685         (secname_for_decl): Update.
15686         (dwarf2out_var_location): Update.
15687         * function.c (free_after_compilation): Update.
15688         (assign_parm_find_stack_rtl): Update.
15689         (assign_parms): Update.
15690         (expand_dummy_function_end): Update.
15691         (expand_function_end): Update.
15692         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
15693         (expand_call): Update.
15694         (emit_library_call_value_1): Update.
15695         (store_one_arg): Update.
15696         * varasm.c (initialize_cold_section_name): Update.
15697         (unlikely_text_section): Update.
15698         (unlikely_text_section_p): Update.
15699         (assemble_start_function): Update.
15700         (assemble_end_function): Update.
15701         (default_section_type_flags): Update.
15702         (switch_to_section): Update.
15703         * integrate.c (set_decl_abstract_flags): Update.
15704         (get_hard_reg_initial_val): Update.
15705         (has_hard_reg_initial_val): Update.
15706         (allocate_initial_values): Update.
15707         * resource.c (init_resource_info): Update.
15708         * config/alpha/alpha.c (NUM_ARGS): Update.
15709         (direct_return): Update.
15710         (alpha_va_start): Update.
15711         (alpha_sa_size): Update.
15712         (alpha_initial_elimination_offset): Update.
15713         (alpha_expand_prologue): Update.
15714         (alpha_start_function): Update.
15715         (alpha_expand_epilogue): Update.
15716         (unicosmk_initial_elimination_offset):
15717         * config/alpha/alpha.md (call expander): Update.
15718         * config/s390/s390.c (s390_register_info): Update.
15719         (s390_register_info): Update.
15720         (s390_frame_info): Update.
15721         (s390_initial_elimination_offset): Update.
15722         (s390_build_builtin_va_list): Update.
15723         (s390_va_start): Update.
15724         * config/spu/spu.c (direct_return): Update.
15725         (spu_expand_prologue): Update.
15726         (spu_initial_elimination_offset): Update.
15727         (spu_build_builtin_va_list): Update.
15728         (spu_va_start): Update.
15729         * config/sparc/sparc.c (sparc_init_modes): Update.
15730         (sparc_compute_frame_size): Update.
15731         (function_value): Update.
15732         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
15733         * config/i386/i386.md (return expander): Update.
15734         * config/i386/i386.c (ix86_va_start): Update.
15735         (ix86_can_use_return_insn_p): Update.
15736         (ix86_compute_frame_layout): Update.
15737         (ix86_expand_epilogue): Update.
15738         * config/sh/sh.c (output_stack_adjust): Update.
15739         (calc_live_regs): Update.
15740         (sh_expand_prologue): Update.
15741         (sh_builtin_saveregs): Update.
15742         (sh_va_start): Update.
15743         (initial_elimination_offset): Update.
15744         (sh_allocate_initial_value): Update.
15745         (sh_function_ok_for_sibcall): Update.
15746         (sh_get_pr_initial_val): Update.
15747         * config/sh/sh.md (return expander): Update.
15748         * config/avr/avr.c (frame_pointer_required_p): UPdate.
15749         * config/crx/crx.c (crx_compute_frame): UPdate.
15750         (crx_initial_elimination_offset): UPdate.
15751         * config/xtensa/xtensa.c (compute_frame_size): Update
15752         (xtensa_builtin_saveregs): Update.
15753         (xtensa_va_start): Update.
15754         (order_regs_for_local_alloc): Update.
15755         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
15756         (xstormy16_expand_builtin_va_start): Update.
15757         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
15758         * config/m68hc11/m68hc11.md (return expanders): Update.
15759         * config/m68hc11/m68hc11.c (expand_prologue): Update.
15760         (expand_epilogue): Update.
15761         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
15762         (cris_simple_epilogue): Update.
15763         (cris_expand_prologue): Update.
15764         (cris_expand_epilogue): Update.
15765         * config/iq2000/iq2000.c (iq2000_va_start): Update.
15766         (compute_frame_size): Update.
15767         * config/mt/mt.c (mt_compute_frame_size): Update.
15768         * config/mn10300/mn10300.c (expand_prologue): Update.
15769         (expand_epilogue): Update.
15770         (initial_offset): Update.
15771         (mn10300_builtin_saveregs):
15772         * config/mn10300/mn10300.md (return expander): Update.
15773         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
15774         (ia64_initial_elimination_offset): Update.
15775         (ia64_initial_elimination_offset): Update.
15776         (ia64_expand_prologue): Update.
15777         * config/m68k/m68k.md (return expander): Update.
15778         * config/rs6000/rs6000.c (rs6000_va_start): Update.
15779         (rs6000_stack_info): Update.
15780         * config/mcore/mcore.c (layout_mcore_frame): Update.
15781         (mcore_expand_prolog): Update.
15782         * config/arc/arc.c (arc_compute_frame_size): Update.
15783         * config/score/score3.c (score3_compute_frame_size): Update.
15784         * config/score/score7.c (score7_compute_frame_size): Update.
15785         * config/arm/arm.c (use_return_insn): Update.
15786         (thumb_find_work_register): Update.
15787         (arm_compute_save_reg_mask): Update.
15788         (arm_output_function_prologue): Update.
15789         (arm_output_epilogue): Update.
15790         (arm_size_return_regs): Update.
15791         (arm_get_frame_offsets): Update.
15792         (arm_expand_prologue): Update.
15793         (thumb_exit): Update.
15794         (thumb_unexpanded_epilogue): Update.
15795         (thumb1_output_function_prologue): Update.
15796         * config/pa/pa.md (return expander): Update.
15797         * config/pa/pa.c (compute_frame_size): Update.
15798         (hppa_builtin_saveregs): Update.
15799         * config/mips/mips.c (mips_va_start): Update.
15800         (mips16_build_function_stub): Update.
15801         (mips_compute_frame_info): Update.
15802         (mips_restore_gp): Update.
15803         (mips_output_function_prologue): Update.
15804         (mips_expand_prologue): Update.
15805         * config/v850/v850.c (compute_frame_size): Update.
15806         (expand_prologue): * config/mmix/mmix.c (along): update.
15807         (mmix_initial_elimination_offset): update.
15808         (mmix_reorg): update.
15809         (mmix_use_simple_return): update.
15810         (mmix_expand_prologue): update.
15811         (mmix_expand_epilogue): Update.
15812         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
15813         (emit_link_insn): Update.
15814
15815 2008-04-08  Anatoly Sokolov <aesok@post.ru>
15816
15817         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
15818         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
15819         instructions.
15820         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
15821         atmega103 device.
15822
15823 2008-04-07  Jan Hubicka  <jh@suse.cz>
15824
15825         * function.h (rtl): Rename to x_rtl.
15826         (crtl): New define.
15827         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
15828         frame_offset, stack_check_probe_note, arg_pointer_save_area,
15829         used_temp_slots avail_temp_slots, temp_slot_level,
15830         nonlocal_goto_handler_labels): Update accesstors.
15831         (rtl): New global variable.
15832         (struct function): Move some fileds to rtl_data.
15833         (get_arg_pointer_save_area): Update prototype.
15834         * builtins.c (expand_builtin_setjmp_receiver): Update call of
15835         get_arg_pointer_save_area.
15836         * expr.c (init_expr): Update
15837         * function.c (get_frame_size): Update
15838         (assign_stack_local): Update
15839         (expand_function_end): Update.
15840         (get_art_pointer_save_area): Update
15841         * function.h
15842         * emit-rtl.c (rtl): Declare.
15843         (regno_reg_rtx): Declare.
15844         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
15845         Update.
15846         (gen_reg_rtx): Update.
15847         * varasm.c (n_deferred_constatns): Update accestor.
15848         (init_varasm_status): Do not allocate varasm_status.
15849         (force_const_mem, get_pool_size, output_constant_pool): Update.
15850         * stmt.c (force_label_rtx): Do not use x_ prefixes.
15851         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
15852         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
15853         * sparc/sparc.h (INIT_EXPANDERS): Update.
15854         * ia64/ia64.h (INIT_EXPANDERS): Update.
15855
15856 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
15857
15858         * reload.c (push_secondary_reload): Add missing break to for loop.
15859
15860 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
15861
15862         PR middle-end/PR28690
15863         * rtlanal.c: Update copyright years.
15864         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
15865         as REG_POINTER and MEM_POINTER operands.
15866         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
15867         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
15868         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
15869         * gcse.c: Update copyright years.
15870         (pre_delete): Call gen_reg_rtx_and_attrs.
15871         (hoist_code): Likewise.
15872         (build_store_vectors): Likewise.
15873         (delete_store): Likewise.
15874         * loop-invariant.c (move_invariant_reg): Likewise.
15875         Update copyright years.
15876
15877 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
15878
15879         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
15880         control string instead of quoted.
15881
15882 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
15883
15884         * doc/rtl.texi: Rewrite of subreg section.
15885
15886 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
15887
15888         PR/35842
15889         * config/i386/i386.c (legitimize_pic_address): Add treating
15890         of dllimport SYM_REF's.
15891         (legitimize_dllimport_symbol): Add prototype.
15892
15893 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
15894
15895         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
15896         reference in constructor with non self-referential type.
15897
15898 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
15899
15900         Removal of Return with Depressed Stack Pointer support
15901         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
15902         (ECF_SP_DEPRESSED): Likewise.
15903         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
15904         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
15905         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
15906         (expand_call): Do not test ECF_SP_DEPRESSED.
15907         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
15908         * function.c (keep_stack_depressed): Delete.
15909         (handle_epilogue_set): Likewise.
15910         (update_epilogue_consts): Likewise.
15911         (emit_equiv_load): Likewise.
15912         (thread_prologue_and_epilogue_insns): Remove support for Return with
15913         Depressed Stack Pointer.
15914         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
15915
15916 2008-04-06  Richard Guenther  <rguenther@suse.de>
15917
15918         PR tree-optimization/35400
15919         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
15920         information from SSA_NAMEs.
15921
15922 2008-04-06  Anatoly Sokolov <aesok@post.ru>
15923
15924         * config/avr/avr.h (avr_mega_p): Remove declaration.
15925         (AVR_MEGA): Remove macro.
15926         * config/avr/avr.c (avr_mega_p): Remove variable.
15927         (avr_override_options): Remove inicializion of avr_mega_p.
15928         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
15929         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
15930         (avr_jump_mode): (Ditto.).
15931         (avr_output_progmem_section_asm_op): (Ditto.).
15932         (avr_asm_init_sections): (Ditto.).
15933         (avr_asm_init_sections): (Ditto.).
15934         (avr_rtx_costs): (Ditto.).
15935         * config/avr/avr.md: (Ditto.).
15936         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
15937         '__AVR_MEGA__'.
15938
15939 2008-04-06  Richard Guenther  <rguenther@suse.de>
15940
15941         PR tree-optimization/35842
15942         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
15943         is_gimple_invariant_address.
15944
15945 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
15946
15947         * gcc.c (default_compilers): Sync Fortran extensions list with
15948         that in fortran/lang-specs.h.
15949         * doc/invoke.texi: Likewise.
15950         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
15951         * dwarf2out.c (gen_compile_unit_die): Likewise.
15952
15953 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
15954
15955         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
15956
15957 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
15958
15959         PR target/12329
15960         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
15961         attribute is used for nested functions.
15962
15963 2008-04-05  Jan Hubicka  <jh@suse.cz>
15964
15965         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
15966
15967         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
15968         letter argument.
15969         (dump_files): Update.
15970         (enable_rtl_dump_file): Do not accept letter argument.
15971         * tree-pass.h (dump_file_info): Remove letter argument.
15972         * toplev.c (decode_d_option): Update -da handling.
15973         * toplev.h (enable_rtl_dump_file): Update prototype.
15974         * passes.c (register_one_dump_file): Do not accept IPA argument; work
15975         it out based on pass type.
15976         (register_dump_files_1): Likewise.
15977         (init_optimization_passes): Update register_one_dump_file calls.
15978         (execute_one_pass): Sanity check that IPA passes are called at IPA
15979         level and RTL passes at RTL level.
15980         (execute_pass_list): IPA pass can not be after or subpass of
15981         GIMPLE/RTL pass.
15982         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
15983         disallov RTL subpasses of IPA subpasses.
15984
15985 2008-04-05  Ben Elliston  <bje@au.ibm.com>
15986
15987         * tree-cfg.c (need_fake_edge_p): Return false for calls to
15988         builtins that return exactly once and do not throw. Cache call to
15989         call_expr_flags.
15990
15991 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
15992
15993         PR rtl-optimization/34916
15994         PR middle-end/35519
15995         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
15996         between instruction pairs.
15997
15998 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
15999
16000         * doc/invoke.texi: Document -mbitops for SH.
16001         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
16002         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
16003         * config/sh/sh.c (print_operand): Add %t operand code.
16004         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
16005         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
16006         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
16007         (extendqihi2): Likewise.
16008         (movqi_i): Likewise.
16009         (insv): Use bset, bclr and bst instructions for SH2A if possible.
16010         (extv): Use bld instruction for SH2A if possible.
16011         (extzv): Likewise.
16012         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
16013         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
16014         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
16015         (bset.b, bclr.b): Define peepholes.
16016         * config/sh/sh.opt (mbitops): New option.
16017
16018 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
16019
16020         PR target/35620
16021         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
16022         and view convert expression.
16023
16024 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
16025
16026         PR target/35364
16027         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
16028
16029 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
16030
16031         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
16032
16033         * config/i386/cpuid.h (bit_AES): New.
16034         (bit_PCLMUL): Likewise.
16035
16036         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
16037         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
16038         SSE2 if AES or PCLMUL is enabled.
16039         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
16040         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
16041         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
16042         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
16043         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
16044         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
16045         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
16046         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
16047         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
16048         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
16049         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
16050         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
16051         __builtin_ia32_aeskeygenassist128 and
16052         __builtin_ia32_pclmulqdq128.
16053         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
16054         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
16055         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
16056
16057         * config/i386/i386.h (TARGET_AES): New.
16058         (TARGET_PCLMUL): Likewise.
16059         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
16060
16061         * config/i386/i386.md (UNSPEC_AESENC): New.
16062         (UNSPEC_AESENCLAST): Likewise.
16063         (UNSPEC_AESDEC): Likewise.
16064         (UNSPEC_AESDECLAST): Likewise.
16065         (UNSPEC_AESIMC): Likewise.
16066         (UNSPEC_AESKEYGENASSIST): Likewise.
16067         (UNSPEC_PCLMUL): Likewise.
16068
16069         * config/i386/i386.opt (maes): New.
16070         (mpclmul): Likewise.
16071
16072         * config/i386/sse.md (aesenc): New pattern.
16073         (aesenclast): Likewise.
16074         (aesdec): Likewise.
16075         (aesdeclast): Likewise.
16076         (aesimc): Likewise.
16077         (aeskeygenassist): Likewise.
16078         (pclmulqdq): Likewise.
16079
16080         * config/i386/wmmintrin.h: New.
16081
16082         * doc/extend.texi: Document AES and PCLMUL built-in function.
16083
16084         * doc/invoke.texi: Document -maes and -mpclmul.
16085
16086 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
16087
16088         * function.c (free_after_parsing): Replace with
16089         cxx_push_function_context from C++ front-end.
16090         (allocate_struct_function): Don't call langhook.
16091         * langhooks.h (struct lang_hooks_for_functions): Delete.
16092         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
16093         member "function".
16094         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
16095         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
16096         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
16097         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
16098         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
16099         remove LANG_HOOKS_FUNCTION_INITIALIZER.
16100         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
16101
16102         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
16103         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
16104
16105 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
16106
16107         PR c/35440
16108         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
16109         for all types.
16110
16111 2008-04-04  Richard Guenther  <rguenther@suse.de>
16112
16113         PR middle-end/35823
16114         * fold-const.c (optimize_minmax_comparison): Use the correct
16115         type for the constant in the simplified comparison.
16116
16117 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
16118
16119         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
16120         Pass L2 size as "--param l2-cache-size" to the compiler.
16121         (decode_l2_cache): New function to decode L2 cache parameters using
16122         0x8000006 extended cpuid function.
16123         (detect_caches_amd): Determine parameters of L2 cache using
16124         decode_l2_caches function.
16125         (decode_caches_intel): Decode L2 cache parameters.
16126         (detect_caches_intel): Determine L2 cache parameters using
16127         decode_caches_intel and decode_l2_caches functions.
16128
16129 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
16130
16131         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
16132         secondary input reload for subword loads from the constant pool.
16133
16134 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
16135
16136         PR target/35713
16137         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
16138           constants of the appropriate size for runtime calculations.
16139
16140         PR c/35712
16141         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
16142           decimal-float literal constant zero.
16143
16144 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
16145
16146         PR c/35738
16147         * c-parser.c (c_parser_omp_atomic): Call
16148         default_function_array_conversion on the RHS.
16149
16150         PR middle-end/35818
16151         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
16152         call is_variable_sized if decl has incomplete type.
16153
16154 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
16155
16156         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
16157
16158 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
16159
16160         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
16161         iterators.
16162         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
16163         (sgt<u>): Merge sgt and sgtu into new expander.
16164         (sgt, sgtu): Remove expanders.
16165         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
16166         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
16167         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
16168         *sgtu_<mode>_mips16 into new pattern.
16169         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
16170         (sge<u>): Merge sge and sgeu into new expander.
16171         (sge, sgeu): Remove expanders.
16172         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
16173         new pattern.
16174         (*sge_<mode>, second *sge_<mode>): Remove patterns.
16175         (slt<u>): Merge slt and sltu into new expander.
16176         (slt, sltu): Remove expanders.
16177         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
16178         (*slt_<mode>, *sltu_<mode>): Remove patterns.
16179         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
16180         *sltu_<mode>_mips16 into new pattern.
16181         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
16182         (sle<u>): Merge sle and sleu into new expander.
16183         (sle, sleu): Remove expanders.
16184         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
16185         (*sle_<mode>, *sleu_<mode>): Remove patterns.
16186         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
16187         *sleu_<mode>_mips16 into new pattern.
16188         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
16189
16190 2008-04-03  Jan Hubicka  <jh@suse.cz>
16191
16192         PR tree-optimization/35795
16193         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
16194         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
16195         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
16196         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
16197         * score/score3.c (score3_output_mi_thunk): Likewise.
16198         * score/score7.c (score7_output_mi_thunk): Likewise.
16199         * mips/mips.c (mips_output_mi_thunk): Likewise.
16200
16201 2008-04-03  Richard Guenther  <rguenther@suse.de>
16202
16203         * tree-vrp.c (extract_range_from_unary_expr): Handle all
16204         conversions.  Simplify code.
16205
16206 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
16207
16208         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
16209
16210 2008-04-03  Tom Tromey  <tromey@redhat.com>
16211             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16212
16213         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
16214         * config/bfin/t-bfin-linux (generated_files): Add
16215         linux-sysroot-suffix.h.
16216         * doc/install.texi (Prerequisites): Require make 3.80.
16217         * doc/sourcebuild.texi (Front End Directory): Document new
16218         variable.
16219         * Makefile.in (generated_files): New variable.
16220         (ALL_HOST_OBJS): New variable.
16221         ($(ALL_HOST_OBJS)): New target.
16222
16223 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
16224
16225         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
16226         (remap_block): Call id->transform_lang_insert_block instead
16227         of langhook.
16228         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
16229         Set id.transform_lang_insert_block to NULL.
16230         (clone_body): Move to cp/optimize.c
16231         * tree-inline.h (struct copy_body_data): Change
16232         transform_lang_insert_block to function pointer.
16233         (copy_generic_body, copy_decl_no_change): Export.
16234         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
16235         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
16236         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
16237
16238         * c-tree.h (insert_block): Kill.
16239         * c-decl.c (insert_block): Kill.
16240
16241 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
16242
16243         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
16244         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
16245         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
16246         argument.
16247         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
16248         argument, call {push,pop}_function_context from here.
16249         * c-parser.c: Use c_{push,pop}_function_context.
16250
16251         * function.c (push_function_context_to): Move meat ...
16252         (push_function_context): ... here.  Simplify.
16253         * function.c (pop_function_context_from): Move meat ...
16254         (pop_function_context): ... here.  Simplify.
16255         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
16256         leave_nested).
16257         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
16258         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
16259         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
16260         * tree.h (push_function_context_to, pop_function_context_from): Remove.
16261
16262 2008-04-03  Ben Elliston  <bje@au.ibm.com>
16263
16264         * expmed.c (extract_force_align_mem_bit_field): Remove.
16265
16266 2008-04-03  Richard Guenther  <rguenther@suse.de>
16267
16268         PR middle-end/35800
16269         * expr.h (try_casesi): Adjust prototype.
16270         * expr.c (try_casesi): Take fallback label as extra parameter.
16271         Use that for gen_casesi if default_label is NULL.
16272         * stmt.c (expand_case): Pass fallback label to try_casesi,
16273         make sure to fill gaps with a fallback label if default_label
16274         is not present.
16275
16276 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
16277
16278         PR target/35801
16279         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
16280
16281 2008-04-03  Ben Elliston  <bje@au.ibm.com>
16282
16283         * expmed.c (extract_split_bit_field): Remove if (0) code.
16284         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
16285         (do_ds_constraint): Likewise.
16286
16287 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
16288
16289         * doc/cppopts.texi (-dU): Document.
16290         * c-common.h (flag_dump_macros): Update comment.
16291         * c-opts.c (handle_OPT_d): Handle -dU.
16292         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
16293         dump_queued_macros, cb_used_define, cb_used_undef): New.
16294         (init_pp_output): Handle -dU.
16295         (cb_line_change): Call dump_queued_macros.
16296         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
16297
16298 2008-04-02  Anatoly Sokolov <aesok@post.ru>
16299
16300         * config/avr/predicates.md (io_address_operand): New predicate.
16301         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
16302         * config/avr/avr.c (avr_io_address_p): Remove function.
16303         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
16304         'avr_io_address_p' function.
16305         (out_movhi_r_mr): (Ditto.).
16306         (out_movqi_mr_r): (Ditto.).
16307         (out_movhi_mr_r): (Ditto.).
16308         (avr_address_cost): (Ditto.).
16309
16310 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
16311
16312         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
16313         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
16314         in 32bit mode when XMM registers are available to avoid store
16315         forwarding stalls.
16316         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
16317         corresponding post-reload splitters.
16318
16319 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
16320
16321         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
16322         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
16323         __builtin_ia32_roundss.
16324         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
16325         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
16326         __builtin_ia32_roundss.
16327         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
16328         IX86_BUILTIN_SHUFPD here.
16329
16330 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
16331
16332         * config/i386/i386.md (plogic): New.
16333         (plogicprefix): Likewise.
16334
16335         * config/i386/mmx.md (mmx_<code><mode>3): New.
16336         (mmx_and<mode>3): Removed.
16337         (mmx_ior<mode>3): Likewise.
16338         (mmx_xor<mode>3): Likewise.
16339
16340         * config/i386/sse.md (<code><mode>3): New.
16341         (*<code><mode>3): Likewise.
16342         (*<code><mode>3): Likewise.
16343         (<code><mode>3): Likewise.
16344         (*sse_<code><mode>3): Likewise.
16345         (*sse2_<code><mode>3): Likewise.
16346         (<code>tf3): Likewise.
16347         (*<code>tf3): Likewise.
16348         (and<mode>3): Likewise.
16349         (*and<mode>3): Likewise.
16350         (ior<mode>3): Removed.
16351         (*ior<mode>3): Likewise.
16352         (xor<mode>3): Likewise.
16353         (*xor<mode>3): Likewise.
16354         (*and<mode>3): Likewise.
16355         (*ior<mode>3): Likewise.
16356         (*xor<mode>3): Likewise.
16357         (and<mode>3): Likewise.
16358         (*sse_and<mode>3): Likewise.
16359         (*sse2_and<mode>3): Likewise.
16360         (andtf3): Likewise.
16361         (*andtf3): Likewise.
16362         (ior<mode>3): Likewise.
16363         (*sse_ior<mode>3): Likewise.
16364         (*sse2_ior<mode>3): Likewise.
16365         (iortf3): Likewise.
16366         (*iortf3): Likewise.
16367         (xor<mode>3): Likewise.
16368         (*sse_xor<mode>3): Likewise.
16369         (*sse2_xor<mode>3): Likewise.
16370         (xortf3): Likewise.
16371         (*xortf3): Likewise.
16372
16373 2008-04-02  Richard Guenther  <rguenther@suse.de>
16374
16375         PR tree-optimization/14495
16376         PR tree-optimization/34793
16377         * tree-vrp.c (struct switch_update): New structure.
16378         (to_remove_edges, to_update_switch_stmts): New VECs.
16379         (simplify_switch_using_ranges): New function.  Remove not taken
16380         case labels and edges.
16381         (simplify_stmt_using_ranges): Call it.
16382         (identify_jump_threads): Mark edges we have queued for removal
16383         so we don't thread them.
16384         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
16385         case label vector.
16386         * tree-cfg.c (group_case_labels): Deal with missing default label.
16387         (tree_verify_flow_info): Allow missing default label.
16388         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
16389         (emit_case_nodes): Likewise.
16390         (expand_case): Do not rely on the default label to be present.
16391         * expr.c (try_casesi): Deal with NULL default_label.
16392         (do_tablejump): Likewise.
16393
16394 2008-04-02  Richard Guenther  <rguenther@suse.de>
16395
16396         PR tree-optimization/14495
16397         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
16398         SWITCH_EXPR here ...
16399         (vrp_visit_switch_stmt): ... but here (new function).
16400         (find_case_label_index): New helper function.
16401         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
16402
16403 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
16404
16405         * fwprop.c: Fix ISO-C99ism.
16406
16407 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
16408
16409         PR bootstrap/35752
16410         * Makefile.in (objdir): Set it here.
16411         * configure.ac: Not here.  Find dynamic linker characteristics.
16412         * exec-tool.in: Use them.
16413         * aclocal.m4: Regenerate.
16414         * configure: Regenerate.
16415
16416 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
16417
16418         * expr.c (expand_var): Delete it.
16419         * expr.h (expand_var): Delete prototype.
16420         * function.c (expand_function_start): Use expand_decl instead.
16421         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
16422         langhook.
16423
16424 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
16425
16426         PR rtl-optimization/35542
16427         * fwprop.c (forward_propagate_and_simplify): Replace
16428         loc_reg_mentioned_in_p with reg_mentioned_p.
16429
16430 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
16431
16432         PR rtl-optimization/35281
16433         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
16434         (propagate_rtx_1): Handle PR_HANDLE_MEM.
16435         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
16436         (varying_mem_p): Move above propagate_rtx.
16437         (all_uses_available_at): Do not check MEMs.
16438
16439 2008-04-02  Rafael Espindola  <espindola@google.com>
16440
16441         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
16442         (register_edge_assert_for_2): Split the cond argument.
16443         (register_edge_assert_for_1): Adjust for the change in
16444         register_edge_assert_for_2.
16445         (register_edge_assert_for): Split the cond argument.
16446         (find_switch_asserts): Adjust for the change in
16447         register_edge_assert_for.
16448
16449 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
16450
16451         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
16452         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
16453         offsets for 64-bit mingw.
16454         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
16455         abi for x86_64-pc-mingw.
16456
16457 2008-04-02  Richard Guenther  <rguenther@suse.de>
16458
16459         * tree-vrp.c (extract_range_from_assert): Make sure to not
16460         produce range min/max with TREE_OVERFOW set.
16461         If merging a anti-range and a range keep the anti-range if
16462         the range covers all values of the type.
16463         (register_edge_assert_for_2): Only allow sign-changing
16464         conversions in detecting canonical range checks.  Also
16465         register an assert for the unsigned name if useful.
16466
16467         PR tree-optimization/35787
16468         * tree-vrp.c (vrp_val_max): New function.
16469         (vrp_val_min): Likewise.
16470         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
16471         (vrp_val_is_min): Likewise.
16472         (supports_overflow_infinity): Use vrp_val_{min,max}.
16473         (negative_overflow_infinity): Likewise.
16474         (positive_overflow_infinity): Likewise.
16475         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
16476         (is_positive_overflow_infinity): Likewise.
16477         (is_overflow_infinity): Likewise.
16478         (avoid_overflow_infinity): Use vrp_val_{min,max} and
16479         vrp_val_is_{min,max}.
16480         (set_and_canonicalize_value_range): Canonicalize anti-ranges
16481         to ranges if possible.  Avoid empty ranges.
16482
16483 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16484
16485         PR middle-end/35705
16486         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
16487         the expression is a function address.
16488
16489 2008-04-01  George Helffrich  <george@gcc.gnu.org>
16490
16491         PR fortran/35154, fortran/23057
16492         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
16493         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
16494         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
16495         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
16496         in common.
16497         (dbxout_syms): Check for COMMON-based symbol and wrap in
16498         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
16499         in bracket for efficiency.
16500
16501         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
16502         using DW_TAG_common_block + member offset.
16503         (add_pubname_string): New function.
16504         (dw_expand_expr): New function to find block name and offset for
16505         COMMON var.
16506         (common_check): New function to check whether symbol in Fortran COMMON.
16507         (gen_variable_die): If COMMON, use DW_TAG_common_block.
16508
16509 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
16510
16511         PR c/35436
16512         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
16513
16514 2008-04-02  Ben Elliston  <bje@au.ibm.com>
16515
16516         * config/v850/v850.md (casesi): Remove if (0) code.
16517         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
16518         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
16519
16520 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
16521
16522         * config/i386/i386.md (rex64suffix): New mode attribute.
16523         (floathi<mode>2): Disable expander for SSE math.
16524         (*floathi<mode>2_1): New insn insn_and_split pattern.
16525         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
16526         corresponding post-reload splitters.
16527         (*floathi<mode>2_i387): New macroized insn pattern.
16528         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
16529         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
16530         insn_and_split pattern.
16531         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
16532         New macroized instruction patterns and corresponding post-reload
16533         splitters.
16534         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
16535         and corresponding post-reload splitters.
16536         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
16537         New macroized instruction patterns.
16538         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
16539         macroized instruction patterns and corresponding post-reload splitters.
16540         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
16541         corresponding post-reload splitters.
16542         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
16543         New macroized instruction patterns.
16544         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
16545         corresponding post-reload splitters.
16546         (*floatsi<mode>2_i387): New macroized instruction patterns.
16547
16548 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
16549
16550         * config/i386/i386.md (smaxmin): New.
16551         (umaxmin): Likewise.
16552         (maxminiprefix): Likewise.
16553         (maxminfprefix): Likewise.
16554         (<code><mode>3): Likewise.
16555         (smin<mode>3): Removed.
16556         (smax<mode>3): Likewise.
16557
16558         * config/i386/mmx.md (mmx_<code>v2sf3): New.
16559         (mmx_<code>v4hi3): Likewise.
16560         (mmx_<code>v8qi3): Likewise.
16561         (mmx_smaxv2sf3): Removed.
16562         (mmx_sminv2sf3): Likewise.
16563         (mmx_umaxv8qi3): Likewise.
16564         (mmx_smaxv4hi3): Likewise.
16565         (mmx_uminv8qi3): Likewise.
16566         (mmx_sminv4hi3): Likewise.
16567
16568         * config/i386/sse.md (<addsub><mode>3): New.
16569         (*<addsub><mode>3): Likewise.
16570         (<sse>_vm<addsub><mode>3): Likewise.
16571         (<maxmin><mode>3): Likewise.
16572         (*<maxmin><mode>3_finite): Likewise.
16573         (*<maxmin><mode>3): Likewise.
16574         (<sse>_vm<maxmin><mode>3): Likewise.
16575         (sse3_h<addsub>v4sf3): Likewise.
16576         (sse3_h<addsub>v2df3): Likewise.
16577         (<maxmin>v16qi3): Likewise.
16578         (*<maxmin>v16qi3): Likewise.
16579         (<maxmin>v8hi3): Likewise.
16580         (*<maxmin>v8hi3): Likewise.
16581         (*sse4_1_<maxmin><mode>3): Likewise.
16582         (*sse4_1_<maxmin><mode>3): Likewise.
16583         (add<mode>3): Removed.
16584         (*add<mode>3): Likewise.
16585         (<sse>_vmadd<mode>3): Likewise.
16586         (sub<mode>3): Likewise.
16587         (*sub<mode>3): Likewise.
16588         (<sse>_vmsub<mode>3): Likewise.
16589         (smin<mode>3): Likewise.
16590         (*smin<mode>3_finite): Likewise.
16591         (*smin<mode>3): Likewise.
16592         (<sse>_vmsmin<mode>3): Likewise.
16593         (smax<mode>3): Likewise.
16594         (*smax<mode>3_finite): Likewise.
16595         (*smax<mode>3): Likewise.
16596         (<sse>_vmsmax<mode>3): Likewise.
16597         (sse3_haddv4sf3): Likewise.
16598         (sse3_haddv2df3): Likewise.
16599         (sse3_hsubv4sf3): Likewise.
16600         (sse3_hsubv2df3): Likewise.
16601         (umaxv16qi3): Likewise.
16602         (*umaxv16qi3): Likewise.
16603         (smaxv8hi3): Likewise.
16604         (*smaxv8hi3): Likewise.
16605         (*sse4_1_smax<mode>3): Likewise.
16606         (*sse4_1_umax<mode>3): Likewise.
16607         (uminv16qi3): Likewise.
16608         (*uminv16qi3): Likewise.
16609         (sminv8hi3): Likewise.
16610         (*sminv8hi3): Likewise.
16611         (*sse4_1_smin<mode>3): Likewise.
16612         (*sse4_1_umin<mode>3): Likewise.
16613
16614 2008-04-01  Rafael Espindola  <espindola@google.com>
16615
16616         * tree-cfg.c (verify_expr): remove in_phi.
16617         (verify_stmt): Don't call walk_tree with verify_expr. Use
16618         is_gimple_min_invariant instead of is_gimple_val.
16619
16620 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
16621
16622         * doc/include/gpl_v3.texi: Update for manpage generation.
16623         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
16624         gpl.texi.
16625         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
16626         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
16627         gpl_v3.texi instead of gpl.texi.
16628         (gpl.pod): New.
16629
16630 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
16631
16632         PR pch/13675
16633         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
16634
16635 2008-04-01  Rafael Espindola  <espindola@google.com>
16636
16637         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
16638         (extract_code_and_val_from_cond): Use
16639         extract_code_and_val_from_cond_with_ops.
16640
16641 2008-04-01  Jan Hubicka  <jh@suse.cz>
16642
16643         * function.c (free_after_compilation): Free epilogue_delay_list.
16644         (prepare_function_start): Assert that previous compilation was freed.
16645
16646 2008-04-01  Jan Hubicka  <jh@suse.cz>
16647             Jim Wilson  <wilson@tuliptree.org>
16648             Andreas Tobler <andreast@gcc.gnu.org>
16649
16650         PR middle-end/35781
16651         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
16652         rtl.emit instead cfun->emit.
16653         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
16654         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
16655
16656 2008-04-01  Ben Elliston  <bje@au.ibm.com>
16657
16658         * doc/c-tree.texi (Function Basics): Fix grammatical error.
16659
16660 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
16661
16662         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
16663         New options
16664         (fprofile-use): Add var flag_profile_use
16665         * coverage.c (coverage_begin_output): Do not open a gcno file for
16666         output only if -ftest-coverage is set.
16667         Do not add getpwd() to gcda file path.
16668         (build_gcov_info): Check the new flag
16669         flag_profile_datafile_relative_path.
16670         (coverage_init): Use profile_data_prefix.
16671         Read profile counter only if flag_profile_use is set.
16672         * opts.c (common_handle_option): New option fprofile-use=,
16673         fprofile-dir=, fprofile-generate=.
16674         * toplev.c (profile_data_prefix): New variable definition.
16675         * toplev.h (profile_data_prefix): New declaration.
16676         * doc/invoke.tex (Option Summary, Optimization Options):
16677         Add new options.
16678
16679 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
16680
16681         * varasm.c (output_constant_pool_1): In LABEL_REF check,
16682         use tmp consistently.
16683
16684         PR target/35695
16685         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
16686         * config/ia64/ia64.c (rtx_needs_barrier): Handle
16687         UNSPEC_FR_RECIP_APPROX_RES.
16688         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
16689
16690 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
16691
16692         PR c/35750
16693         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
16694
16695 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16696
16697         PR middle-end/30186
16698         * fold-const.c (fold_indirect_ref_1): Support accessing non first
16699         element of the vector via a pointer.
16700
16701 2008-03-31  Ian Lance Taylor  <iant@google.com>
16702
16703         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
16704
16705 2008-03-31  Jan Hubicka  <jh@suse.cz>
16706
16707         * builtins.c (expand_builtin_setjmp_receiver): Update call of
16708         get_arg_pointer_save_area.
16709         * expr.c (init_expr): Just clear out rtl.expr.
16710         * function.c (free_after_compilation): Clear out whole RTL structure.
16711         (get_func_frame_size): Merge into ...
16712         (get_frame_size): ... this one.
16713         (assign_stack_local_1): Merge into ...
16714         (assign_stack_local): ... this one.
16715         (expand_function_end): Update call of get_arg_pointer_save_area.
16716         (get_art_pointer_save_area): Remove cfun argument.
16717         * function.h (emit_status): regno_pointer_align does not need length
16718         attribute. Move x_regno_reg_rtx to ...
16719         (regno_reg_rtx): ... new global array.
16720         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
16721         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
16722         apply_args_value, forced_labels, stack_pointer_delta):
16723         Update accestors.
16724         (struct varasm_status): Move here from varasm.c
16725         (struct rtl_data): New. Move here some fields from struct function.
16726         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
16727         frame_offset, stack_check_probe_note, arg_pointer_save_area,
16728         used_temp_slots avail_temp_slots, temp_slot_level,
16729         nonlocal_goto_handler_labels): Update accesstors.
16730         (rtl): New global variable.
16731         (struct function): Move some fileds to rtl_data.
16732         (get_arg_pointer_save_area): Update prototype.
16733         * emit-rtl.c (rtl): Declare.
16734         (regno_reg_rtx): Declare.
16735         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
16736         Update.
16737         (gen_reg_rtx): Update.
16738         (init_virtual_regs): Do not tate emit_status argument.
16739         (init_emit): Do not allocate emit.
16740         * varasm.c (varasm_statuc): Move to function.h.
16741         (n_deferred_constatns): Update accestor.
16742         (init_varasm_status): Do not allocate varasm_status.
16743         (force_const_mem, get_pool_size, output_constant_pool): Update.
16744         * stmt.c (force_label_rtx): Do not use x_ prefixes.
16745         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
16746
16747 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
16748
16749         PR rtl-optimization/35729
16750         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
16751         references.
16752
16753 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
16754
16755         PR target/32000
16756         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
16757         load/store if memory is unaligned.
16758         (*movti_rex64): Likewise.
16759
16760         * config/i386/predicates.md (misaligned_operand): New.
16761
16762 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
16763
16764         PR tree-opt/35431
16765         * tree-ssa-phiopt.c (conditional_replacement): Return early for
16766         complex types.
16767
16768 2008-03-31  Jan Beulich  <jbeulich@novell.com>
16769
16770         * config/ia64/constraints.md: Add 'j' constraint.
16771         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
16772         (movdi_internal): Likewise.
16773
16774 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
16775
16776         PR c/35748
16777         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
16778
16779 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
16780
16781         PR target/35757
16782         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
16783         proper error message for the third argument on blendpd and
16784         blendps.
16785
16786         * config/i386/sse.md (blendbits): New.
16787         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
16788
16789 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
16790
16791         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
16792
16793 2008-03-30  Richard Guenther  <rguenther@suse.de>
16794
16795         PR middle-end/31023
16796         * fold-const.c (fold_sign_changed_comparison): Do leave
16797         conversions to base-types alone.
16798
16799 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16800
16801         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
16802         the link register if one altivec register is be saved.
16803
16804 2008-03-30  Ben Elliston  <bje@au.ibm.com>
16805
16806         * final.c (final_scan_insn): Remove if (0) code.
16807
16808 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
16809
16810         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
16811
16812 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
16813
16814         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
16815         of V4SFmode to ix86_binary_operator_ok.
16816
16817 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
16818
16819         * config/i386/i386.c (override_options): Initialize
16820         ix86_veclib_handler to ix86_veclibabi_svml when
16821         -mveclibabi=svml is used.
16822         (ix86_veclibabi_svml): New function for SVML ABI style
16823         vectorization support.
16824         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
16825
16826 2008-03-28  Rafael Espindola  <espindola@google.com>
16827
16828         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
16829         (tree_binary_nonnegative_warnv_p): Make it public.
16830         (tree_single_nonnegative_warnv_p): Make it public.
16831         (tree_invalid_nonnegative_warnv_p): Make it public.
16832         (tree_unary_nonzero_warnv_p): Make it public.
16833         (tree_binary_nonzero_warnv_p): Make it public
16834         (tree_single_nonzero_warnv_p): Make it public.
16835         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
16836         (extract_range_from_binary_expr): Split the expr argument.
16837         (extract_range_from_unary_expr): Split the expr argument.
16838         (extract_range_from_comparison): Split the expr argument.
16839         (extract_range_from_expr): Use the new aux functions.
16840         (vrp_evaluate_conditional_warnv): Use
16841         vrp_evaluate_conditional_warnv_with_ops.
16842         * tree.h (tree_unary_nonzero_warnv_p): Declare.
16843         (tree_binary_nonzero_warnv_p): Declare.
16844         (tree_single_nonzero_warnv_p): Declare.
16845         (tree_expr_nonzero_warnv_p): Declare.
16846         (tree_unary_nonnegative_warnv_p): Declare.
16847         (tree_binary_nonnegative_warnv_p): Declare.
16848         (tree_single_nonnegative_warnv_p): Declare.
16849         (tree_invalid_nonnegative_warnv_p): Declare.
16850
16851 2008-03-28  Richard Guenther  <rguenther@suse.de>
16852
16853         PR tree-optimization/30317
16854         PR tree-optimization/30911
16855         PR tree-optimization/34793
16856         * tree-vrp.c (set_and_canonicalize_value_range): New function.
16857         (struct assert_locus_d): New member EXPR.
16858         (register_new_assert_for): Add EXPR parameter to support
16859         ASSERT_EXPR <name, expr OP limit>.
16860         (register_edge_assert_for_1): Adjust callers.
16861         (find_assert_locations): Likewise.
16862         (process_assert_insertions_for): Build condition from expression.
16863         (extract_range_from_assert): Handle ASSERT_EXPRs
16864         of the form ASSERT_EXPR <name, expr OP limit>.
16865         (register_edge_assert_for_2): New helper registering
16866         asserts for comparisons.  Recognize range tests of the form
16867         (unsigned)i - CST1 OP CST2.
16868         (register_edge_assert_for_1): Use it.
16869         (register_edge_assert_for): Likewise.
16870         (needs_overflow_infinity): Integer sub-types
16871         do not need overflow infinities.
16872         (vrp_val_is_max): The extreme values of integer sub-types
16873         are those of the base type.
16874         (vrp_val_is_min): Likewise.
16875         * tree.def (ASSERT_EXPR): Document extra allowed conditional
16876         expressions.
16877
16878 2008-03-28  Nick Clifton  <nickc@redhat.com>
16879
16880         PR target/31110
16881         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
16882         Return GENERAL_REGS for stack adjustment reloads.
16883
16884 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16885
16886         PR target/31334
16887         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
16888         const_vector when all the vectors are constant.
16889
16890 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
16891
16892         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
16893         comparisons.
16894         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
16895         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
16896         (scc_sf): New.
16897         (s<code>_sf): Use new scc_sf attribute for opcode names.
16898
16899 2008-03-27  Tom Tromey  <tromey@redhat.com>
16900
16901         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
16902         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
16903         config/spu/t-spu-elf, config/i386/t-interix,
16904         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
16905         config/i386/x-darwin, config/i386/x-mingw32,
16906         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
16907         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
16908         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
16909         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
16910         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
16911         config/rs6000/x-darwin, config/rs6000/t-rs6000,
16912         config/score/t-score-elf, config/arm/t-strongarm-pe,
16913         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
16914         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
16915         Revert automatic dependency patch.
16916
16917 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
16918
16919         PR target/35657
16920         * config/i386/i386.c (ix86_function_arg_boundary): Align
16921         decimal floating point to its natural boundary.
16922
16923 2008-03-27  Richard Guenther  <rguenther@suse.de>
16924
16925         PR middle-end/35716
16926         * fold-const.c (fold_comparison): Restrict distinct decl
16927         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
16928         solely rely on operand_equal_p.
16929
16930 2008-03-27  Richard Guenther  <rguenther@suse.de>
16931
16932         PR c/32511
16933         * c-common.c (handle_weak_attribute): Reject combination of
16934         weak and inline.
16935
16936 2008-03-27  Richard Guenther  <rguenther@suse.de>
16937
16938         PR tree-optimization/32810
16939         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
16940         conversions from DECL_INITIAL.
16941         (fold_const_aggregate_ref): Likewise from constructor elements.
16942
16943 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
16944
16945         * tree-affine.h (aff_combination_expand): Declare.
16946         (get_inner_reference_aff): Likewise.
16947         * tree-affine.c (aff_combination_expand): Split out from
16948         tree_to_aff_combination_expand.
16949         (get_inner_reference_aff): New function.
16950         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
16951         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
16952         (struct lim_aux_data): sm_done field removed.
16953         (mem_ref_loc_p, mem_ref_locs_p): New types.
16954         (struct mem_ref): Added id, stored, accesses_in_loop,
16955         indep_loop, dep_loop, indep_ref, dep_ref fields.
16956         Removed is_stored, locs and next fields.
16957         (memory_accesses): New variable.
16958         (movement_possibility): Do not allow moving statements
16959         that store to memory.
16960         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
16961         New functions.
16962         (determine_max_movement): For statements with memory references,
16963         find the outermost loop in that the reference is independent.
16964         (move_computations_stmt): Mark the virtual operands for renaming.
16965         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
16966         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
16967         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
16968         add_vop_ref_mapping, create_vop_ref_mapping_loop,
16969         create_vop_ref_mapping, analyze_memory_references,
16970         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
16971         get_all_locs_in_loop, ref_always_accessed_p,
16972         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
16973         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
16974         store_motion_loop, store_motion): New functions.
16975         (struct vop_to_refs_elt): New type.
16976         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
16977         memref_hash, memref_eq, hoist_memory_references): Rewritten.
16978         (schedule_sm): Replaced by...
16979         (execute_sm): ... this.
16980         (determine_lsm_ref, hoist_memory_references,
16981         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
16982         find_more_ref_vops, free_mem_ref, free_mem_refs,
16983         determine_lsm_loop, determine_lsm): Removed.
16984         (tree_ssa_lim_finalize): Free data structures used by store motion.
16985         (tree_ssa_lim): Call analyze_memory_references.  Use
16986         store_motion instead of determine_lsm.
16987
16988 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
16989
16990         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
16991         rename tmake_file to m68hc11/t-m68hc11.
16992         (mcore): Set inhibit_libc to true.
16993         * config.host (alpha*-dec-*vms*): Set extra_programs.
16994         (interix3*): Don't use host_xmake_file.
16995         * configure.ac: Let config.gcc override inhibit_libc.
16996         * configure: Regenerate.
16997
16998         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
16999         * config/t-openbsd-thread: Remove commented out lines.
17000
17001         * config/x-interix: Remove.
17002
17003         * config/m68hc11/t-m68hc11-gas: Rename to...
17004         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
17005
17006         * config/mcore/t-mcore: Remove T_CFLAGS.
17007         * config/mcore/t-mcore-pe: Likewise.
17008
17009 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
17010
17011         * configure.ac: Replace custom __GNU_SOURCE test with
17012         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
17013         * aclocal.m4: Regenerate.
17014         * configure: Regenerate.
17015         * config.in: Regenerate.
17016
17017 2008-03-27  Richard Guenther  <rguenther@suse.de>
17018
17019         * fold-const.c (target.h): Include.
17020         (fold_comparison): Fold comparison of addresses of decls
17021         that bind locally or of constants.  Consolidate address folding code.
17022         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
17023         results from fold_binary_to_constant.
17024         (compare_values_warnv): Likewise.
17025
17026 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
17027
17028         PR middle-end/35429
17029         * fold-const.c (fold_truthop): Check for integeral types when folding
17030         a == 0 && b == 0 and a != 0 || b != 0 .
17031
17032 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
17033
17034         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
17035
17036 2008-03-26  Andreas Schwab  <schwab@suse.de>
17037
17038         * doc/invoke.texi: Fix use of @item vs. @itemx.
17039
17040 2008-03-26  Tom Tromey  <tromey@redhat.com>
17041
17042         * Makefile.in (build/gensupport.o, build/print-rtl.o,
17043         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
17044         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
17045         build/gencodes.o, build/genconditions.o, build/genconfig.o,
17046         build/genconstants.o, build/genemit.o, build/genextract.o,
17047         build/genflags.o, build/genmddeps.o, build/genopinit.o,
17048         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
17049         options.h.
17050
17051 2008-03-26  Richard Guenther  <rguenther@suse.de>
17052
17053         Revert
17054         2008-03-26  Richard Guenther  <rguenther@suse.de>
17055
17056         * fold-const.c (target.h): Include.
17057         (fold_comparison): Fold comparison of addresses of two decls
17058         that bind locally.  Consolidate address folding code.
17059
17060 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
17061
17062         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
17063         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
17064         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
17065         dconstsqrt2, dconstthird, dconste and/or dconst10.
17066         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
17067         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
17068         dconstsqrt2, dconste): Delete.
17069         (init_emit_once): Likewise.  Simplify initializing dconstm1.
17070         Constify variable.
17071         * real.c (get_real_const): New.
17072         * real.h (dconst3, dconst10, dconstm2, dconstthird,
17073         dconstsqrt2, dconste): Delete.
17074         (real_value_const, get_real_const): New.
17075
17076 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
17077
17078         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
17079
17080         * config/i386/i386.c (ix86_function_arg_boundary): Check
17081         BIGGEST_ALIGNMENT instead of 128.
17082         (setup_incoming_varargs_64): Likewise.
17083
17084 2008-03-26  Tom Tromey  <tromey@redhat.com>
17085
17086         * Makefile.in (DEPFILES): Add missing '/'.
17087
17088 2008-03-26  Richard Guenther  <rguenther@suse.de>
17089
17090         * fold-const.c (target.h): Include.
17091         (fold_comparison): Fold comparison of addresses of two decls
17092         that bind locally.  Consolidate address folding code.
17093
17094 2008-03-26  Nick Clifton  <nickc@redhat.com>
17095
17096         PR target/31232
17097         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
17098         not allow INT+INT as a legitimate addressing mode.
17099
17100 2008-03-26  Richard Guenther  <rguenther@suse.de>
17101
17102         * tree-flow.h (widen_bitfield): Remove declaration.
17103         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
17104         (widen_bitfield): Remove function.
17105         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
17106         code.
17107
17108 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17109
17110         PR target/31558
17111         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
17112         error_mark_node's.
17113
17114 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
17115
17116         PR rtl-optimization/35232
17117         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
17118         (forget_old_reloads_1, forget_marked_reloads): Don't clear
17119         reg_reloaded_call_part_clobbered here.
17120         (reload_regs_reach_end_p): New function.
17121         (reload_reg_rtx_for_input): New variable.
17122         (reload_reg_rtx_for_output): Likewise.
17123         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
17124         when reassigning a pseudo register.  Load reloadreg from
17125         reload_reg_rtx_for_input, moving the mode and register
17126         calculation to...
17127         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
17128         instead of the original when deciding whether an input reload
17129         would be a no-op or whether an output reload can be deleted.
17130         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
17131         when setting up new_spill_reg_store.  Load it from
17132         reload_reg_rtx_for_output, moving the mode and register
17133         calculation to...
17134         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
17135         instead of the original when deciding whether an output reload
17136         would be a no-op.  Do the same when modifying insn notes.
17137         Use rtx_equal_p instead of == to compare the registers.
17138         (inherit_piecemeal_p): Take a mode and two register numbers
17139         as argument.
17140         (emit_reload_insns): Clear new_spill_reg_store for every hard
17141         register in the reload register.  Remove spill registers
17142         from reg_reloaded_valid before considering whether to record
17143         inheritance information for them.  Use reload_reg_rtx_for_output
17144         instead of reg_rtx when recording output reloads.  Use
17145         reload_reg_rtx_for_input instead of reg_rtx when recording
17146         input reloads.  Set or clear reg_reloaded_call_part_clobbered
17147         at the same time as setting reg_reloaded_valid.
17148         (delete_output_reload): Add a new_reload_reg parameter and use it
17149         instead of rld[j].reg_rtx.
17150         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
17151         calls accordingly.
17152
17153 2008-03-25  Tom Tromey  <tromey@redhat.com>
17154
17155         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
17156         (build/genattr.o): Likewise.
17157         (build/genattrtab.o): Likewise.
17158         (build/gencodes.o): Likewise.
17159         (build/genconfig.o): Likewise.
17160         (build/genconstants.o): Likewise.
17161         (build/genemit.o): Likewise.
17162         (build/genextract.o): Likewise.
17163         (build/genflags.o): Likewise.
17164
17165 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
17166
17167         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
17168         instead of size_int for integer types.
17169         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
17170         to match type of MINUS_EXPR.
17171
17172 2008-03-25  Tom Tromey  <tromey@redhat.com>
17173
17174         * configure: Rebuilt.
17175         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
17176         Makefile.
17177
17178 2008-03-25  Tom Tromey  <tromey@redhat.com>
17179
17180         * config/x-solaris (host-solaris.o): Update.
17181         * config/x-linux (host-linux.o): Update.
17182         * config/x-hpux (host-hpux.o): Update.
17183         * config/x-darwin (host-darwin.o): Update.
17184         * config/v850/t-v850e (v850-c.o): Update.
17185         * config/v850/t-v850 (v850-c.o): Update.
17186         * config/t-vxworks (vxworks.o): Update.
17187         * config/t-sol2 (sol2-c.o, sol2.o): Update.
17188         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
17189         * config/spu/t-spu-elf (spu-c.o): Update.
17190         (spu.o): Remove.
17191         * config/sh/t-symbian (sh-c.o): Update.
17192         (symbian.o): Update.
17193         * config/sh/t-sh (sh-c.o): Update.
17194         * config/score/t-score-elf (score7.o, score3.o): Update.
17195         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
17196         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
17197         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
17198         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
17199         (rs6000.o): Remove.
17200         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
17201         * config/m32c/t-m32c (m32c-pragma.o): Update.
17202         * config/ia64/t-ia64 (ia64-c.o): Update.
17203         * config/i386/x-mingw32 (host-mingw32.o): Update.
17204         * config/i386/x-i386 (driver-i386.o): Update.
17205         * config/i386/x-darwin (host-i386-darwin.o): Update.
17206         * config/i386/x-cygwin (host-cygwin.o): Update.
17207         * config/i386/t-nwld (nwld.o): Update.
17208         * config/i386/t-netware (netware.o): Update.
17209         * config/i386/t-interix (winnt.o): Update.
17210         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
17211         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
17212         msformat-c.o): Update.
17213         * config/bfin/t-bfin-linux (generated_files): Add
17214         linux-sysroot-suffix.h.
17215         * config/arm/t-wince-pe (pe.o): Update.
17216         * config/arm/t-strongarm-pe (pe.o): Update.
17217         * config/arm/t-pe (pe.o): Update.
17218         * config/arm/t-arm (arm-c.o): Update.
17219         * doc/install.texi (Prerequisites): Require make 3.80.
17220         * Makefile.in: Remove .o targets.
17221         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
17222         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
17223         (simple_generated_h, simple_generated_c): Move earlier.
17224         (generated_files): New variable.
17225         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
17226         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
17227         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
17228         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
17229         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
17230         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
17231         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
17232         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
17233         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
17234         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
17235         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
17236         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
17237         (.c.o): Remove.
17238         (COMPILE.base, COMPILE): New variables.
17239         (%.o): New pattern rule.
17240         (ALL_HOST_OBJS): New variable.
17241         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
17242         (dummy-checksum.o, cc1-checksum.o): Remove.
17243         (DRIVER_SHLIB): New variable.
17244         (DRIVER_DEFINES): Use it.
17245         (gencondmd.c): Move out of build/.
17246         (s-conditions): Update.
17247         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
17248         (ALL_BUILD_OBJS): Likewise.
17249         (build/%.o): Use BUILDCOMPILE.
17250         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
17251         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
17252         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
17253         build/gencheck.o, build/gencodes.o, build/genconditions.o,
17254         build/genconfig.o, build/genconstants.o, build/genemit.o,
17255         build/genextract.o, build/genflags.o, build/genmddeps.o,
17256         build/genopinit.o, build/genoutput.o, build/genpeep.o,
17257         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
17258         build/gen-protos.o, build/scan.o, build/fix-header.o,
17259         build/scan-decls.o): Simplify.
17260         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
17261         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
17262         prefix.o, toplev.o): Reduce to variable setting.
17263         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
17264         ($(out_object_file), gcc-options.o): New targets.
17265         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
17266         * configure: Rebuilt.
17267         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
17268         * doc/sourcebuild.texi (Front End Directory): Document new variable.
17269
17270 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
17271
17272         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
17273         complain when we hit an error, return ERROR_MARK_NODE.
17274
17275 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
17276
17277         * config/sh/constraints.md (Pso, Psz): New constraints.
17278         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
17279         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
17280
17281 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
17282
17283         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
17284         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
17285
17286 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
17287
17288         * config/sh/sh.md (prefetch): Add condition for SH2A target.
17289         (prefetch_sh2a): New.
17290
17291 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
17292             Naveen.H.S  <naveen.hs@kpitcummins.com>
17293
17294         * config/sh/constraints.md (I28): New constraint.
17295         * config/sh/sh.c (broken_move): Add support for movi20s.
17296         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
17297
17298 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
17299             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
17300             Naveen.H.S  <naveen.hs@kpitcummins.com>
17301
17302         * config/sh/sh.c (SH_ATTRIBUTES): Define.
17303         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
17304         (print_operand): Handle resbank in %@ operand code.
17305         (sh_encode_section_info): New.
17306         (push_regs): Add conditions for resbank.
17307         (sh_expand_epilogue): Likewise.
17308         (sh_insert_attributes): Likewise.
17309         (sh_attribute_table): Likewise.
17310         (sh_handle_resbank_handler_attribute): New.
17311         (sh2a_handle_function_vector_handler_attribute): New.
17312         (sh2a_is_function_vector_call): New.
17313         (sh2a_get_function_vector_number): New.
17314         (sh2a_function_vector_p): New.
17315         (sh_cfun_resbank_handler_p): New.
17316         * config/sh/sh.md (calli): Emit jsr/n if possible.
17317         (calli_tbr_rel): New.
17318         (calli_pcrel): Emit jsr/n if possible.
17319         (return_i): Emit rts/n if possible.
17320         (call_valuei_tbr_rel): New.
17321         (call_valuei_pcrel): Add condition for SH2A target.
17322         (call_value): Likewise.
17323         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
17324         (sh2a_get_function_vector_number): Likewise.
17325         (sh2a_is_function_vector_call): Likewise.
17326         * doc/extend.texi: Document TBR relative addressing of SH2A.
17327         (resbank): Add description for SH2A.
17328
17329 2008-03-24  Richard Guenther  <rguenther@suse.de>
17330
17331         PR c/22371
17332         * gimplify.c (gimplify_modify_expr): For frontend type-correct
17333         pointer assignments change conversions according to middle-end rules.
17334         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
17335         * configure.ac: Include type checking in yes.
17336         * configure: Regenerate.
17337
17338 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17339
17340         * diagnostic.c (diagnostic_count_diagnostic): Delete.
17341         (diagnostic_report_diagnostic): Update. Handle ICEs here.
17342
17343 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
17344
17345         * gthr-vxworks.h (UNUSED): Define.
17346
17347 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
17348
17349         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
17350
17351 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
17352
17353         * doc/extend.texi (Function Attributes): Add missing comma in the
17354         example of the "alloc_size" attribute.
17355
17356 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
17357
17358         Revert:
17359         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
17360
17361         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
17362         32bit host.
17363
17364         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
17365
17366         PR target/35496
17367         * stor-layout.c (update_alignment_for_field): Set minimum alignment
17368         of the underlying type of a MS bitfield layout to the natural
17369         alignment of the type.
17370
17371         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
17372
17373         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
17374         to their natural alignment to avoid store forwarding stalls.
17375
17376 2008-03-22  Richard Guenther  <rguenther@suse.de>
17377
17378         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
17379         For PHI nodes verify the address is invariant.
17380         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
17381         (get_symbol_constant_value): Use is_gimple_min_invariant.
17382         (maybe_fold_stmt_indirect): Likewise.
17383
17384 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
17385
17386         PR rtl-optimization/33927
17387         * Makefile.in (dse.o): Depend on $(TM_P_H).
17388         * expr.h (extract_low_bits): Declare.
17389         * expmed.c (extract_low_bits): New function.
17390         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
17391         * dse.c: Include tm_p.h.
17392         (find_shift_sequence): Remove the read_reg argument and return the
17393         read value.  Emit the instructions instead of returning them.
17394         Iterate on new_mode rather than calculating it each time.
17395         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
17396         source to NEW_MODE and extract_low_bits to convert the shifted
17397         value to READ_MODE.
17398         (replace_read): Allow the load and store to have different mode
17399         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
17400         or extraction instructions before trying the replacement.  Update
17401         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
17402
17403 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
17404
17405         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
17406         to their natural alignment to avoid store forwarding stalls.
17407
17408 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17409
17410         PR target/27946
17411         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
17412         encouraging but not allowing gprs for input;
17413         change the input constraint to !f#r.
17414         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
17415         gprs for output;
17416         change the output constraint to !f#r.
17417
17418 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
17419
17420         PR target/13958
17421         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
17422         corresponding post-reload splitters.
17423         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
17424         when x87 FP math is selected.
17425         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
17426         New function prototype.
17427         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
17428         unreachable function to ease macroization of insn patterns.
17429
17430 2008-03-21  Martin Jambor  <mjambor@suse.cz>
17431
17432         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
17433         reference dumps if ddr is NULL or dependence is unknown.
17434
17435 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
17436
17437         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
17438         unsigned extension into account.
17439         (ATOMIC_COMPARE_AND_SWAP): Likewise.
17440         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
17441         Do computations on a scratch register.
17442
17443 2008-03-21  Richard Guenther  <rguenther@suse.de>
17444
17445         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
17446         Use is_gimple_min_invariant instead of TREE_INVARIANT.
17447         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
17448         * tree-ssa-dom.c (record_equality): Likewise.
17449         * tree-inline.c (copy_body_r): Likewise.
17450         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
17451         TREE_INVARIANT.
17452
17453 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
17454
17455         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
17456         as 'delete_unused' argument.
17457
17458 2008-03-20  Richard Guenther  <rguenther@suse.de>
17459
17460         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
17461         special casing of constant qualifiers.
17462         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
17463         care about them in general.
17464         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
17465         regardless of their type.
17466         (fold_stmt_r): Forcefully fold *& if we end up with that.
17467
17468 2008-03-20  Paul Brook  <paul@codesourcery.com>
17469
17470         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
17471         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
17472         linker flags.
17473         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
17474         definition.
17475         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
17476         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
17477
17478 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
17479
17480         * common.opt (Wmudflap): New option.
17481         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
17482         (mx_register_decls): Likewise.
17483         (mudflap_finish_file): Likewise.
17484         * doc/invoke.texi: Document -Wno-mudflap.
17485
17486 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
17487
17488         * c-format.c (replace_format_name_to_system_name): New.
17489         (cmp_attribs): New.
17490         (convert_format_name_to_system_name): New.
17491         (decode_format_attr): Add use of convert_format_name_to_system_name.
17492         (format_types_orig): Add gnu_ prefix to names.
17493         (check_format_info_main): Special treating of \0 escaped names for
17494         supporting multi-character format specifiers as I32, I64.
17495         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
17496         (gnu_target_overrides_format_attributes): New.
17497         * c-format.h: Add structure target_ovr_attr to hold
17498         system specific formatter names.
17499         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
17500         msformat-c.o file to c_target_objs and cxx_target_objs.
17501         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
17502         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
17503         (TARGET_N_FORMAT_TYPES): New.
17504         * config/i386/msformat-c.c: New.
17505         * config/i386/t-cygming: Add build rule for msformat-c.o.
17506         * doc/extend.texi: Add new format names gnu_* and ms_* and
17507         further details.
17508         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
17509
17510 2008-03-20  Ira Rosen  <irar@il.ibm.com>
17511
17512         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
17513         optimizations turned on under -O3.
17514         (ftree-vectorize): Add that the flag is turned on with -O3.
17515
17516 2008-03-20  Ben Elliston  <bje@au.ibm.com>
17517
17518         * regmove.c (try_auto_increment): Fix spelling error in comment.
17519         * final.c (final_scan_insn): Likewise.
17520
17521 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
17522
17523         PR target/14552
17524         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
17525         allocator preferences for "y" and "r" class registers.
17526         ("*mov<mode>_internal"): Ditto.
17527         ("*movv2sf_internal_rex64"): Ditto.
17528         ("*movv2sf_internal"): Ditto.
17529
17530 2008-03-19  Michael Matz  <matz@suse.de>
17531
17532         PR middle-end/35616
17533         * calls.c (expand_call): Check overlap of arguments with call
17534         address for sibcalls.
17535
17536 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
17537
17538         PR target/35496
17539         * stor-layout.c (update_alignment_for_field): Set minimum alignment
17540         of the underlying type of a MS bitfield layout to the natural
17541         alignment of the type.
17542
17543 2008-03-19  Jan Hubicka  <jh@suse.cz>
17544
17545         PR other/35094
17546         * toplev.c (decode_d_option): Handle all CPP flags.
17547         * tree-vrp.c: Update tree_pass descriptors.
17548         * regrename.c: Update tree_pass descriptors.
17549         * fwprop.c: Update tree_pass descriptors.
17550         * doc/invoke.texi: Remove documentation of dropped -d? flags.
17551         * tree-into-ssa.c: Update tree_pass descriptors.
17552         * tree-dump.c: Update tree_pass descriptors.
17553         * tree-complex.c: Update tree_pass descriptors.
17554         * tree-dump.h: Update tree_pass descriptors.
17555         * see.c: Update tree_pass descriptors.
17556         * cgraphbuild.c: Update tree_pass descriptors.
17557         * tracer.c: Update tree_pass descriptors.
17558         * tree-loop-distribution.c: Update tree_pass descriptors.
17559         * cgraph.c: Update tree_pass descriptors.
17560         * postreload-gcse.c: Update tree_pass descriptors.
17561         * postreload.c: Update tree_pass descriptors.
17562         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
17563         * tree-tailcall.c: Update tree_pass descriptors.
17564         * tree-pass.h (tree_opt_pass): Rename to ...
17565         (opt_pass) ... this one; add "type" field and remove letter field.
17566         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
17567         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
17568         all_lowering_passes): Update declaration.
17569         * ipa-cp.c: Update tree_pass descriptors.
17570         * final.c: Update tree_pass descriptors.
17571         * omp-low.c: Update tree_pass descriptors.
17572         * tree-ssa-dse.c: Update tree_pass descriptors.
17573         * ipa-reference.c: Update tree_pass descriptors.
17574         * tree-ssa-uncprop.c: Update tree_pass descriptors.
17575         * auto-inc-dec.c: Update tree_pass descriptors.
17576         * reorg.c: Update tree_pass descriptors.
17577         * cgraphunit.c: Update tree_pass descriptors.
17578         * tree-ssa-copyrename.c: Update tree_pass descriptors.
17579         * tree-ssa-ccp.c: Update tree_pass descriptors.
17580         * df-core.c: Update tree_pass descriptors.
17581         * mode-switching.c: Update tree_pass descriptors.
17582         * tree-nomudflap.c: Update tree_pass descriptors.
17583         * modulo-sched.c: Update tree_pass descriptors.
17584         * ipa-pure-const.c: Update tree_pass descriptors.
17585         * cse.c: Update tree_pass descriptors.
17586         * web.c: Update tree_pass descriptors.
17587         * tree-stdarg.c: Update tree_pass descriptors.
17588         * tree-ssa-math-opts.c: Update tree_pass descriptors.
17589         * tree-ssa-dom.c: Update tree_pass descriptors.
17590         * tree-nrv.c: Update tree_pass descriptors.
17591         * tree-ssa-alias.c: Update tree_pass descriptors.
17592         * loop-init.c: Update tree_pass descriptors.
17593         * gimple-low.c: Update tree_pass descriptors.
17594         * ipa-inline.c: Update tree_pass descriptors.
17595         * tree-ssa-sink.c: Update tree_pass descriptors.
17596         * global.c: Update tree_pass descriptors.
17597         * ifcvt.c: Update tree_pass descriptors.
17598         * jump.c: Update tree_pass descriptors.
17599         * predict.c: Update tree_pass descriptors.
17600         * tree-ssa-loop.c: Update tree_pass descriptors.
17601         * recog.c: Update tree_pass descriptors.
17602         * dse.c: Update tree_pass descriptors.
17603         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
17604         * tree-eh.c: Update tree_pass descriptors.
17605         * regmove.c: Update tree_pass descriptors.
17606         * local-alloc.c
17607         * function.c: Update tree_pass descriptors.
17608         * tree-vectorizer.c: Update tree_pass descriptors.
17609         * gcse.c: Update tree_pass descriptors.
17610         * ipa-type-escape.c: Update tree_pass descriptors.
17611         * tree-if-conv.c: Update tree_pass descriptors.
17612         * init-regs.c: Update tree_pass descriptors.
17613         * ipa.c: Update tree_pass descriptors.
17614         * tree-ssa-phiopt.c: Update tree_pass descriptors.
17615         * rtl-factoring.c: Update tree_pass descriptors.
17616         * lower-subreg.c: Update tree_pass descriptors.
17617         * bt-load.c: Update tree_pass descriptors.
17618         * tree-dfa.c: Update tree_pass descriptors.
17619         * except.c: Update tree_pass descriptors.
17620         * emit-rtl.c: Update tree_pass descriptors.
17621         * cfgexpand.c: Update tree_pass descriptors.
17622         * tree-cfgcleanup.c: Update tree_pass descriptors.
17623         * cfgcleanup.c: Update tree_pass descriptors.
17624         * tree-ssa-pre.c: Update tree_pass descriptors.
17625         * tree-sra.c: Update tree_pass descriptors.
17626         * tree-mudflap.c: Update tree_pass descriptors.
17627         * tree-ssa-copy.c: Update tree_pass descriptors.
17628         * cfglayout.c: Update tree_pass descriptors.
17629         * tree-ssa-forwprop.c: Update tree_pass descriptors.
17630         * tree-ssa-dce.c: Update tree_pass descriptors.
17631         * tree-ssa.c: Update tree_pass descriptors.
17632         * regclass.c: Update tree_pass descriptors.
17633         * integrate.c: Update tree_pass descriptors.
17634         * tree-optimize.c: Update tree_pass descriptors.
17635         * tree-ssa-phiprop.c: Update tree_pass descriptors.
17636         * tree-object-size.c: Update tree_pass descriptors.
17637         * combine.c: Update tree_pass descriptors.
17638         * tree-outof-ssa.c: Update tree_pass descriptors.
17639         * bb-reorder.c: Update tree_pass descriptors.
17640         * stack-ptr-mod.c: Update tree_pass descriptors.
17641         * var-tracking.c: Update tree_pass descriptors.
17642         * tree-profile.c: Update tree_pass descriptors.
17643         * tree-vect-generic.c: Update tree_pass descriptors.
17644         * reg-stack.c: Update tree_pass descriptors.
17645         * sched-rgn.c: Update tree_pass descriptors.
17646         * tree-ssa-structalias.c: Update tree_pass descriptors.
17647         * tree-cfg.c: Update tree_pass descriptors.
17648         * passes.c (current_pass): Update declaration.
17649         (finish_optimization_passes): Update.
17650         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
17651         (register_one_dump_file, register_dump_files_1, next_pass_1):
17652         Update arguments.
17653         (init_optimization_passes): Update handling of new types.
17654         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
17655         * ipa-struct-reorg.c: Update tree_pass descriptors.
17656         * tree-ssa-reassoc.c: Update tree_pass descriptors.
17657         * combine-stack-adj.c: Update tree_pass descriptors.
17658         * cfgrtl.c: Update tree_pass descriptors.
17659         * dce.c: Update tree_pass descriptors.
17660         * tree-ssanames.c: Update tree_pass descriptors.
17661
17662 2008-03-19  Richard Guenther  <rguenther@suse.de>
17663
17664         PR middle-end/35609
17665         * tree-ssa.c (walk_data): New structure.
17666         (warn_uninitialized_var): If not always_executed warn with "maybe"
17667         instead of "is".
17668         (execute_early_warn_uninitialized): Compute post-dominators.
17669         Initialize always_executed before processing each basic block.
17670
17671 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
17672
17673         PR target/35504
17674         * config/i386/i386.c (x86_this_parameter): Calculate correct location
17675         of "this" pointer when "regparm = N" or "fastcall" is in effect.
17676
17677 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17678
17679         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
17680
17681 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
17682
17683         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
17684         is true.
17685         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
17686         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
17687         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
17688         target after ignore has been set, and move there also the commputation
17689         of subtarget and original_target.
17690         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
17691         (LANG_HOOKS_INITIALIZER): Remove it.
17692         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
17693
17694 2008-03-18  Richard Guenther  <rguenther@suse.de>
17695
17696         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
17697         found an expression with constants, note that in the VN for the lhs.
17698         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
17699         fold them to constants if possible.  Run cleanup_cfg if done so.
17700         (execute_pre): Return todo.
17701         (do_pre): Likewise.
17702         (execute_fre): Likewise.
17703         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
17704         of constants.
17705         (get_prop_source_stmt): Look through pointer conversions.
17706
17707 2008-03-18  Jan Hubicka  <jh@suse.cz>
17708
17709         * tree-pretty-print.c: Include predict.h.
17710         (dump_generic_node): Dump predictor.
17711         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
17712         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
17713         * gimple-low.c (lower_stmt): Likewise.
17714         * expr.c (expand_expr_real): Likewise.
17715         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
17716         them.
17717         (build_predict_expr, build_predict_expr): New.
17718         * predict.h (predictor_name, build_predict_expr): Update.
17719         * c-typeck.c (c_finish_bc_stmt): Add prediction.
17720         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
17721         * predict.def (PRED_CONTINUE): Update hitrate.
17722         * tree.def (PREDICT_EXPR): Define.
17723         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
17724         do not handle BIND_EXPR.
17725         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
17726         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
17727         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
17728         operands.
17729
17730 2008-03-18  Michael Matz  <matz@suse.de>
17731
17732         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
17733
17734 2008-03-18  Richard Guenther  <rguenther@suse.de>
17735
17736         * tree-gimple.h (is_gimple_invariant_address): Declare.
17737         (is_gimple_constant): Likewise.
17738         * tree-gimple.c (is_gimple_constant): New function.
17739         (is_gimple_invariant_address): Likewise.
17740         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
17741         and is_gimple_invariant_address.
17742         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
17743         previous change.
17744         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
17745         an addressable base.
17746
17747 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
17748
17749         PR middle-end/35611
17750         * gimplify.c (gimplify_expr): Gimplify second operand of
17751         OMP_ATOMIC_LOAD.
17752
17753 2008-03-17  Richard Guenther  <rguenther@suse.de>
17754
17755         PR tree-optimization/19637
17756         * fold-const.c (fold_unary): Remove restrictions of removing
17757         intermediate pointer-conversions (P2)(P1)P0.
17758         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
17759         conversion to void pointer.
17760         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
17761
17762 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
17763
17764         PR debug/31510
17765         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
17766         emulated thread local variables.
17767
17768 2008-03-16  Richard Guenther  <rguenther@suse.de>
17769
17770         PR middle-end/35607
17771         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
17772         expand TREE_INVARIANT operations that are not gimple invariant.
17773
17774 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
17775
17776         * doc/extend.texi (Alignment): Say that the ABI controls
17777         the __alignof__ for non-strict-alignment targets rather
17778         than being a recommendation.
17779
17780 2008-03-15  Paul Brook  <paul@codesourcery.com>
17781
17782         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
17783         annotations.
17784         (arm_output_fn_unwind): Mark functions that can not be unwound.
17785
17786 2008-03-15  Paul Brook  <paul@codesourcery.com>
17787
17788         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
17789         extension instructions.
17790
17791 2008-03-15  Richard Guenther  <rguenther@suse.de>
17792
17793         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
17794         and fold constant aggregate refs.
17795         (fold_const_aggregate_ref): Handle string constants
17796         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
17797         (evaluate_stmt): Simplify now that ccp_fold folds constant
17798         aggregate refs.
17799
17800 2008-03-15  Paul Brook  <paul@codesourcery.com>
17801
17802         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
17803         (extzv): Use gen_extzv_t2.
17804         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
17805
17806 2008-03-15  Richard Guenther  <rguenther@suse.de>
17807
17808         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
17809         (fold_const_aggregate_ref): Likewise.
17810         (get_value): Return NULL if we don't have any values.
17811         (ccp_finalize): Set const_val to NULL after freeing it.
17812         * tree-flow.h (get_symbol_constant_value): Declare.
17813         (fold_const_aggregate_ref): Likewise.
17814         * tree-ssa-sccvn.c (try_to_simplify): Use them.
17815
17816 2008-03-15  Richard Guenther  <rguenther@suse.de>
17817
17818         PR middle-end/35593
17819         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
17820         to not produce negative array indices if not allowed.  Add
17821         parameter to indicate that.
17822         (maybe_fold_offset_to_component_ref): Allow negative array
17823         indices only for the first member of a structure.
17824         (maybe_fold_offset_to_reference): Allow negative array indices.
17825         (maybe_fold_stmt_addition): Likewise.
17826
17827 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
17828             Anatoly Sokolov <aesok@post.ru>
17829
17830         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
17831         (avr_arch): Add ARCH_AVR6.
17832         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
17833         (initial_elimination_offset): Initialize and use 'avr_pc_size'
17834         instead of fixed value 2.
17835         (print_operand_address): Use gs() asm specifier instead of pm().
17836         (avr_assemble_integer): (Ditto.).
17837         (avr_output_addr_vec_elt): (Ditto.).
17838         (print_operand): Handle "!" code.
17839         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
17840         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
17841         (AVR_HAVE_EIJMP_EICALL): Define.
17842         (AVR_3_BYTE_PC): Redefine.
17843         (AVR_2_BYTE_PC): (Ditto.).
17844         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
17845         (LINK_SPEC): Add atmega2560 and atmega2561.
17846         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
17847         (crtm2561.o).
17848         * config/avr/avr.md (call_insn): Use eicall instead of icall
17849         for 3 byte PC devices.
17850         (call_value_insn): (Ditto.).
17851         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
17852         (indirect_jump): Use only for for 2 byte PC devices.
17853         (*tablejump): (Ditto.).
17854         (*indirect_jump_avr6): Add insn.
17855         (*tablejump_rjmp): Don't use for 3 byte PC devices.
17856         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
17857         instead of ijmp for 3 byte PC devices.
17858         (__tablejump2__): (Ditto.).
17859         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
17860         (MULITLIB_DIRNAMES): (Ditto.).
17861         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
17862
17863 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
17864
17865         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
17866         "sse2_umulsidi3".  Use V1DI mode for operand 0.
17867         ("mmx_psadbw"): Use V1DI mode for operand 0.
17868         * config/i386/i386-modes.def (V1SI): New vector mode.
17869         * config/i386/i386.c (struct builtin_description)
17870         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
17871         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
17872         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
17873         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
17874         v1di_ftype_v8qi_v8qi type.
17875         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
17876
17877         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
17878         __builtin_ia32_pmuludq]: Fix the mode of return value.
17879
17880 2008-03-15  Richard Guenther  <rguenther@suse.de>
17881
17882         PR middle-end/35595
17883         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
17884         being a PHI_NODE.
17885
17886 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
17887
17888         * doc/invoke.texi (Option Summary, Xtensa Options): Document
17889         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
17890         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
17891         unless TARGET_SERIALIZE_VOLATILE is enabled.
17892         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
17893         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
17894         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
17895
17896 2008-03-14  Richard Guenther  <rguenther@suse.de>
17897
17898         PR tree-optimization/34172
17899         * tree-flow.h (refs_may_alias_p): Declare.
17900         (get_single_def_stmt): Likewise.
17901         (get_single_def_stmt_from_phi): Likewise.
17902         (get_single_def_stmt_with_phi): Likewise.
17903         * tree-dfa.c (refs_may_alias_p): New function.
17904         (get_single_def_stmt): Likewise.
17905         (get_single_def_stmt_from_phi): Likewise.
17906         (get_single_def_stmt_with_phi): Likewise.
17907         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
17908         (vn_reference_lookup_1): New helper function.
17909         (vn_reference_lookup): Walk the virtual use-def chain to
17910         continue searching for a match if the def does not alias the
17911         reference we are looking for.
17912
17913 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
17914
17915         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
17916         archive and Perzl.  Update The Written Word listing.
17917
17918 2008-03-14  Richard Guenther  <rguenther@suse.de>
17919
17920         PR tree-optimization/34043
17921         PR tree-optimization/33989
17922         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
17923         when doing FRE.
17924         (bitmap_find_leader): Use extra argument to verify dominance
17925         relationship inside a basic-block.
17926         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
17927         (find_leader_in_sets): Adjust.
17928         (create_component_ref_by_pieces): Take extra argument for
17929         dominance check, handle lookup failures.
17930         (find_or_generate_expression): Likewise.
17931         (create_expression_by_pieces): Likewise.
17932         (insert_into_preds_of_block): Adjust.
17933         (create_value_expr_from): If asked for, verify all operands
17934         are in the blocks AVAIL_OUT set.
17935         (make_values_for_stmt): Check for SSA_NAMEs that are life
17936         over an abnormal edge.
17937         (compute_avail): Remove such check.
17938         (do_SCCVN_insertion): New function.
17939         (eliminate): If we do not find a leader suitable for replacement
17940         insert a replacement expression from SCCVN if available.
17941         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
17942         (struct vn_ssa_aux): Add needs_insertion flag.
17943         * tree-ssa-sccvn.c (may_insert): New global flag.
17944         (copy_reference_ops_from_ref): Value-number union member access
17945         based on its size, not type and member if insertion is allowed.
17946         (visit_reference_op_load): For a weak match from union type
17947         punning lookup a view-converted value and insert a SSA_NAME
17948         for that value if that is not found.
17949         (visit_use): Make dumps shorter.  Do not disallow value numbering
17950         SSA_NAMEs that are life over an abnormal edge to constants.
17951         (free_scc_vn): Release inserted SSA_NAMEs.
17952         (run_scc_vn): New flag to specify whether insertion is allowed.
17953         Process SSA_NAMEs in forward order.
17954         * tree-ssa-loop-im.c (for_each_index): Handle invariant
17955         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
17956         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
17957         pointer type to/from integral types that do not change the
17958         precision to regular conversions.
17959
17960 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
17961
17962         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
17963         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
17964         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
17965         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
17966         input arguments and the mode of return value.  Built-in functions
17967         that operate on whole 64-bit MMX register now use V1DI mode.
17968
17969 2008-03-13  Alon Dayan  <alond@il.ibm.com>
17970             Olga Golovanevsky  <olga@il.ibm.com>
17971
17972         PR tree-optimization/35041
17973         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
17974         to locate the right position in a statement.
17975
17976 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
17977
17978         PR target/34000
17979         PR target/35553
17980         * config/i386/xmmintrin.h:  Change all static inline functions to
17981         extern inline and add __gnu_inline__ attribute.
17982         * config/i386/bmintrin.h: Ditto.
17983         * config/i386/smmintrin.h: Ditto.
17984         * config/i386/tmmintrin.h: Ditto.
17985         * config/i386/mmintrin-common.h: Ditto.
17986         * config/i386/ammintrin.h: Ditto.
17987         * config/i386/emmintrin.h: Ditto.
17988         * config/i386/pmmintrin.h: Ditto.
17989         * config/i386/mmintrin.h: Ditto.
17990         * config/i386/mm3dnow.h: Ditto.
17991
17992 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
17993
17994         PR middle-end/35185
17995         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
17996         (lower_omp_2): New function.
17997         (lower_omp_1, lower_omp): Rewritten.
17998
17999 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
18000
18001         PR 35054
18002         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
18003         with the phrase "Microsoft Windows compilers".
18004         (Push/Pop Macro Pragmas): New subsection. Document
18005         #pragma push_macro and pragma pop_macro.
18006
18007 2008-03-12  Paul Brook  <paul@codesourcery.com>
18008
18009         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
18010
18011 2008-03-12  Paul Brook  <paul@codesourcery.com>
18012
18013         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
18014         (thumb2_alusi3_short): Exclude PLUS and MINUS.
18015         (thumb2_addsi_shortim): Rename ...
18016         (thumb2_addsi_short): ... to this.  Allow register operands.
18017         (thumb2_subsi_short): New pattern.
18018         (thumb2_one_cmplsi2_short,
18019         thumb2_negsi2_short): New patterns and peepholes.
18020
18021 2008-03-12  Paul Brook  <paul@codesourcery.com>
18022
18023         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
18024
18025 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
18026
18027         * config/i386/i386.md (int_cond): New code iterator.
18028         (fp_cond): Ditto.
18029         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
18030         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
18031         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
18032         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
18033         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
18034         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
18035         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
18036         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
18037
18038 2008-03-12  Paul Brook  <paul@codesourcery.com>
18039
18040         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
18041         instead of {arm,thumb}_compute_save_reg_mask.
18042         (output_return_instruction): Ditto.
18043         (thumb_unexpanded_epilogue): Ditto.
18044         (thumb1_expand_prologue): Ditto.
18045         (thumb1_output_function_prologue): Ditto.
18046         (arm_set_return_address): Ditto.
18047         (thumb_set_return_address): Ditto.
18048         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
18049         regs to achieve stack alignment.
18050         (thumb1_compute_save_reg_mask): Fix compiler warning.
18051         (arm_output_epilogue): Use offsets->saved_regs_mask.
18052         Adjust stack pointer by poping call clobered registers.
18053         (arm_expand_prologue): Use offsets->saved_regs_mask.
18054         Adjust stack pointer by pushing extra registers.
18055         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
18056
18057 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
18058
18059         PR tree-opt/35422
18060         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
18061         conversion to the operands of a multiplication.
18062
18063 2008-03-12  Richard Guenther  <rguenther@suse.de>
18064
18065         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
18066         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
18067         * timevar.def (TV_TREE_PHIPROP): Add.
18068         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
18069         pass description.  Use TV_TREE_PHIPROP.
18070         * tree-ssa-forwprop.c: Remove phiprop code.
18071
18072 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
18073
18074         PR middle-end/35549
18075         * omp-low.c (maybe_lookup_decl): Constify first argument.
18076         (use_pointer_for_field): Change last argument from bool to
18077         omp_context *.  Disallow shared copy-in/out in nested
18078         parallel if decl is shared in outer parallel too.
18079         (build_outer_var_ref, scan_sharing_clauses,
18080         lower_rec_input_clauses, lower_copyprivate_clauses,
18081         lower_send_clauses, lower_send_shared_vars): Adjust callers.
18082
18083 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
18084             Ira Rosen  <irar@il.ibm.com>
18085
18086         * tree-vectorizer.c (free_stmt_vec_info): New function.
18087         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
18088         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
18089         * tree-vectorizer.h (free_stmt_vec_info): Declare.
18090         * tree-vect-transform.c (vectorizable_conversion): Free
18091         vec_oprnds0 if it was allocated.
18092         (vect_permute_store_chain): Remove unused VECs.
18093         (vectorizable_store): Free VECs that are allocated in the..
18094         function.
18095         (vect_transform_strided_load, vectorizable_load): Likewise.
18096         (vect_remove_stores): Simplify the code.
18097         (vect_transform_loop): Move code to vect_remove_stores().
18098         Call vect_remove_stores() and free_stmt_vec_info().
18099
18100 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18101
18102         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
18103         TARGET_HPUX.  Revise comment.
18104         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
18105         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
18106         Use sr4 variant of `be' instruction when not generating PIC code.
18107         (attr_length_call): Adjust for above change.
18108
18109 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18110
18111         * ipa-reference.c (static_execute): Remove module_statics_const and
18112         associated setting code.
18113
18114 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
18115
18116         PR target/35540
18117         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
18118         predicate for operand 1.
18119         (paritysi2_cmp): Use register_operand predicate for operand 2.
18120         Use earlyclobber modifier for operand 1.  Remove support for
18121         memory operands.
18122         (paritydi2_cmp): Use register_operand predicate for operand 3.
18123         Use earlyclobber modifier for operand 1.  Remove support for
18124         memory operands.
18125
18126 2008-03-11  Paul Brook  <paul@codesourcery.com>
18127             Vladimir Prus  <vladimir@codesourcery.com>
18128
18129         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
18130         (arm_compute_save_reg0_reg12_mask): Always
18131         check if register 11 must be saved.  Always safe hard frame pointer
18132         when frame_pointer_needeed.
18133         (arm_compute_save_reg_mask): Save IP and PC
18134         only with apcs frames.
18135         (arm_output_epilogue): Adjust Thumb2 codepath to
18136         be also invoked and work for ARM non-apcs frames.
18137         (arm_expand_prologue): Don't bother saving IP
18138         for non-apcs frame, since it's not clobbered by
18139         prologue code.  Implement non-apcs frame
18140         layout.
18141
18142 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
18143
18144         PR rtl-optimization/35281
18145         * expr.c (convert_move): Use a new pseudo for the intermediate
18146         from_mode->word_mode result.
18147
18148 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
18149
18150         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
18151         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
18152         * toplev.c (compile_file): Don't call it.
18153
18154 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
18155
18156         PR middle-end/35526
18157         * expr.c (store_expr): Call emit_block_move if the mode
18158         of "temp" RTX is BLKmode.
18159
18160 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18161             Richard Guenther  <rguenther@suse.de>
18162
18163         PR tree-optimization/31358
18164         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
18165         the step with a NULL_TREE.
18166         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
18167         to sizetype if type is a pointer type.
18168         (add_candidate_1): Don't convert the base and step to
18169         the generic type if the orginal type is a pointer type.
18170         (add_iv_value_candidates): Use sizetype for the step
18171         if type is a pointer type.
18172         (cand_value_at): Likewise.
18173         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
18174         for pointer types.
18175         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
18176         Don't convert the tem affine to the type.
18177         (add_elt_to_tree): Use sizetype for the step if a pointer.
18178         Use POINTER_PLUS_EXPR for pointers.
18179         (aff_combination_to_tree): Use sizetype for the step if a
18180         pointer.
18181
18182 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
18183
18184         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
18185         Remove commutativity hint.
18186
18187 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
18188
18189         PR c/35438
18190         PR c/35439
18191         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
18192         errorneous type.  Check that v is a VAR_DECL.
18193
18194         PR middle-end/35099
18195         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
18196
18197 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
18198
18199         PR tree-optimization/35494
18200         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
18201         may be overriden at link and run time.
18202
18203 2008-03-10  Richard Guenther  <rguenther@suse.de>
18204
18205         PR tree-optimization/34677
18206         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
18207         (poolify_tree): Likewise.
18208         (modify_expr_template): Likewise.
18209         (poolify_modify_stmt): Likewise.
18210         (insert_fake_stores): Handle all component-ref style stores
18211         in addition to INDIRECT_REF.  Also handle complex types.
18212         Do not poolify the inserted load.
18213         (realify_fake_stores): Do not rebuild the tree but only
18214         make it a SSA_NAME copy.
18215         (init_pre): Remove initialzation of modify_expr_template.
18216         Do not allocate modify_expr_node_pool.
18217         (fini_pre): Do not free modify_expr_node_pool.
18218
18219 2008-03-10  Paul Brook  <paul@codesourcery.com>
18220
18221         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
18222         to avoid conflicts.
18223
18224 2008-03-10  Paul Brook  <paul@codesourcery.com>
18225             Mark Shinwell  <shinwell@codesourcery.com>
18226
18227         * config/arm/cortex-r4.md: New.
18228         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
18229         insn attributes.
18230         * config/arm/arm.md: Include cortex-r4.md.
18231         (insn): Add smmls, sdiv and udiv values.
18232         (generic_sched): Don't use generic scheduling for Cortex-R4.
18233         (arm_issue_rate): New function.
18234         (TARGET_SCHED_ISSUE_RATE): Define.
18235
18236 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
18237
18238         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
18239
18240 2008-03-10  Richard Guenther  <rguenther@suse.de>
18241
18242         * tree-ssa-pre.c (get_sccvn_value): Simplify.
18243         (compute_avail): Do not add stmt uses to AVAIL_OUT.
18244
18245 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
18246
18247         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
18248         Set default to true.
18249
18250 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18251
18252         * c.opt (Wsynth): Deprecate.
18253         * doc/invoke.texi (Option Summary, Warning Options): Document
18254         -Wno-format-contains-nul.
18255
18256 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
18257
18258         PR target/35496
18259         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
18260         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
18261
18262 2008-03-09  Ira Rosen  <irar@il.ibm.com>
18263
18264         * config/rs6000/rs6000.c (builtin_description): Rename vector
18265         left shift operations.
18266         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
18267         (altivec_vsl<VI_char>): Rename to ...
18268         (ashl<mode>3): ... new name.
18269         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
18270         gen_ashlv4si3.
18271         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
18272
18273 2008-03-08  Richard Guenther  <rguenther@suse.de>
18274
18275         * coverage.h (tree_coverage_counter_addr): Declare.
18276         * coverage.c (tree_coverage_counter_addr): New function.
18277         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
18278         before using again.
18279         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
18280         (tree_gen_one_value_profiler): Likewise.
18281         (tree_gen_ic_profiler): Likewise.
18282         (tree_gen_average_profiler): Likewise.
18283         (tree_gen_ior_profiler): Likewise.
18284
18285 2008-03-08  Richard Guenther  <rguenther@suse.de>
18286
18287         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
18288         (vn_binary_op_insert): Likewise.
18289         (vn_unary_op_lookup): Likewise.
18290         (vn_unary_op_insert): Likewise.
18291         (vn_nary_op_lookup): Declare.
18292         (vn_nary_op_insert): Likewise.
18293         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
18294         and binary hashes, use a single obstack for unary_op_pool
18295         and binary_op_pool.
18296         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
18297         a single struct vn_nary_op_s.  Store tree code length and
18298         a variable number of operands.
18299         (struct vn_reference_op_struct): Remove unused op2.
18300         (vn_reference_op_eq): Do not compare op2.
18301         (vn_reference_op_compute_hash): Do not compute hash of op2.
18302         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
18303         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
18304         with vn_nary_op_compute_hash.
18305         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
18306         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
18307         vn_nary_op_lookup.
18308         (vn_unary_op_insert, vn_binary_op_insert): Replace with
18309         vn_nary_op_insert.
18310         (visit_unary_op): Call nary functions.
18311         (visit_binary_op): Likewise.
18312         (process_scc): Adjust for struct vn_tables_s changes.
18313         (allocate_vn_table): Likewise.
18314         (free_vn_table): Likewise.
18315         * tree-vn.c (vn_add): Call nary functions.
18316         (vn_lookup): Likewise.
18317
18318 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
18319
18320         PR target/35498
18321         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
18322         wdst back after sync_compare_and_swapqhi_internal.
18323
18324 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
18325
18326         PR target/22152
18327         * config/i386/i386-modes.def (V1DI): New vector mode.
18328         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
18329         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
18330         (MMXMODE248): Ditto.
18331         (MMXMODE): Add V1DI mode.
18332         (mmxvecsize): Change DI mode to V1DI mode.
18333         ("mov<mode>): Use MMXMODEI8 mode iterator.
18334         ("*mov<mode>_internal_rex64"): Ditto.
18335         ("*mov<mode>_internal"): Ditto.
18336         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
18337         ("mmx_sub<mode>3"): Ditto.
18338         ("mmx_adddi3"): Remove insn pattern.
18339         ("mmx_subdi3"): Ditto.
18340         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
18341         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
18342         ("mmx_ashl<mode>3"): Ditto.
18343         ("mmx_lshrdi3"): Remove insn pattern.
18344         ("mmx_ashldi3"): Ditto.
18345         * config/i386/i386.c (classify_argument): Handle V1DImode.
18346         (function_arg_advance_32): Ditto.
18347         (function_arg_32): Ditto.
18348         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
18349         mmx_addv1di3 insn pattern.
18350         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
18351         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
18352         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
18353         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
18354         Remove definitions of built-in functions.
18355         (V1DI_type_node): New node.
18356         (v1di_ftype_v1di_int): Ditto.
18357         (v1di_ftype_v1di_v1di): Ditto.
18358         (v2si_ftype_v2si_si): Ditto.
18359         (v4hi_ftype_v4hi_di): Remove node.
18360         (v2si_ftype_v2si_di): Ditto.
18361         (ix86_init_mmx_sse_builtins): Handle V1DImode.
18362         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
18363         Redefine builtins using def_builtin_const with *_ftype_*_int node.
18364         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
18365         Add new builtins using def_builtin_const.
18366         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
18367         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
18368         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
18369         * config/i386/mmintrin.h (__v1di): New typedef.
18370         (_mm_add_si64): Cast arguments to __v1di type.
18371         (_mm_sub_si64): Ditto.
18372         (_mm_sll_pi16): Cast __count to __v4hi type.
18373         (_mm_sll_pi32): Cast __count to __v2si type.
18374         (_mm_sll_si64): Cast arguments to __v1di type.
18375         (_mm_srl_pi16): Cast __count to __v4hi type.
18376         (_mm_srl_pi32): Cast __count to __v2si type.
18377         (_mm_srl_si64): Cast arguments to __v1di type.
18378         (_mm_sra_pi16): Cast __count to __v4hi type.
18379         (_mm_sra_pi32): Cast __count to __v2si type.
18380         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
18381         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
18382         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
18383         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
18384         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
18385         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
18386         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
18387         (_mm_srai_pi32): Use __builtin_ia32_psradi.
18388         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
18389         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
18390         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
18391         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
18392
18393 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
18394
18395         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
18396
18397 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
18398
18399         PR target/35373
18400         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
18401         reg+const addressing for Altivec modes.  Don't generate reg+reg
18402         addressing for TFmode or TDmode quantities.
18403
18404 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
18405
18406         * c-common.c (vector_types_convertible_p): Call langhook
18407         instead of comptypes.
18408
18409 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18410
18411         PR tree-opt/35402
18412         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
18413         integral and scalar float variables which have a
18414         NULL DECL_INITIAL.
18415
18416 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
18417
18418         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
18419         dwarf_register_span hook when emitting unwind information for
18420         register-to-memory saves.
18421         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
18422         (rs6000_frame_related): Remove call to spe_synthesize_frame.
18423
18424 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
18425
18426         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
18427         for the same VAR_DECL.
18428
18429 2008-03-06  Tom Tromey  <tromey@redhat.com>
18430
18431         * treelang: Delete.
18432         * doc/standards.texi (Standards): Don't mention treelang.
18433         * doc/invoke.texi (Overall Options): Don't mention treelang.
18434         * doc/install.texi (Prerequisites): Don't mention bison or
18435         treelang.
18436         (Configuration): Don't mention treelang.
18437         (Building): Likewise.
18438         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
18439
18440 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
18441
18442         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
18443         word-extractions out of a multi-word object.
18444
18445 2008-03-06  Richard Guenther  <rguenther@suse.de>
18446
18447         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
18448         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
18449         result type and precision.
18450         * expr.c (get_inner_reference): Set unsignedp based on the result
18451         type of BIT_FIELD_REF.
18452         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
18453         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
18454         (try_instantiate_multiple_fields): Likewise.  Use the correct type
18455         for BIT_FIELD_REF.
18456         (sra_build_assignment): Likewise.
18457         (sra_build_elt_assignment): Likewise.
18458         (sra_explode_bitfield_assignment): Likewise.
18459         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
18460         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
18461         set BIT_FIELD_REF_UNSIGNED.
18462         (vectorizable_load): Likewise.
18463
18464 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
18465
18466         * cse.c (cse_extended_basic_block): Invalidate artificial defs
18467         at bb start.
18468
18469 2008-03-06  Richard Guenther  <rguenther@suse.de>
18470
18471         * alias.c (struct alias_set_entry): Move has_zero_child field
18472         to pack with alias_set.
18473
18474 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
18475
18476         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
18477         32bit host.
18478
18479 2008-03-05  Ian Lance Taylor  <iant@google.com>
18480
18481         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
18482
18483 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
18484
18485         * fwprop.c (update_df): Support width and offset parameters of
18486         df_ref_create.
18487         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
18488         global_conflicts): Change DF_REF_EXTRACT to either
18489         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
18490         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
18491         * df-scan.c (df_ref_record, df_defs_record,
18492         df_ref_create_structure, df_def_record_1, df_uses_record,
18493         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
18494         df_bb_refs_collect, df_entry_block_defs_collect,
18495         df_exit_block_uses_collect): Support new width and offset fields.
18496         (ref_extract_pool): New storage pool.
18497         (df_free_ref): New function.
18498         (df_reg_chain_unlink, df_free_collection_rec,
18499         df_sort_and_compress_refs): Call df_free_ref.
18500         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
18501         of df_ref_extract.
18502         (df_ref_create_structure): Allocate df_ref_extract if offset and
18503         width fields are used.
18504         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
18505         (df_uses_record): Get offset and width from ZERO_EXTRACT
18506         and SIGN_EXTRACT.
18507         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
18508         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
18509         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
18510         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
18511         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
18512         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
18513         (df_ref_extract): New structure.
18514         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
18515         (df_ref_create): Add width and offset parameters.
18516
18517 2008-03-05  Richard Guenther  <rguenther@suse.de>
18518
18519         * tree-ssa-structalias.c (get_constraint_for_component_ref):
18520         Use ranges_overlap_p.
18521         (offset_overlaps_with_access): Rename
18522         to ranges_overlap_p and move ...
18523         * tree-flow-inline.h (ranges_overlap_p): ... here.
18524
18525         * tree.h (get_inner_reference, handled_component_p): Update
18526         comments.
18527
18528         * tree.h (record_component_aliases, get_alias_set,
18529         alias_sets_conflict_p, alias_sets_must_conflict_p,
18530         objects_must_conflict_p): Move declarations ...
18531         * alias.h (record_component_aliases, get_alias_set,
18532         alias_sets_conflict_p, alias_sets_must_conflict_p,
18533         objects_must_conflict_p): ... here.
18534         Include coretypes.h.
18535         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
18536
18537 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
18538
18539         * cfg.c: Include tree-flow.h.
18540         (remove_edge_raw): Call redirect_edge_var_map_clear.
18541         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
18542         * tree-flow-inline.h (redirect_edge_var_map_def): New.
18543         (redirect_edge_var_map_result): New.
18544         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
18545         PENDING_STMT use with redirect_edge_var_map_*.
18546         * tree-ssa.c (edge_var_maps): New definition.
18547         (redirect_edge_var_map_add): New.
18548         (redirect_edge_var_map_clear): New.
18549         (redirect_edge_var_map_dup): New.
18550         (redirect_edge_var_map_vector): New.
18551         (redirect_edge_var_map_destroy): New.
18552         (ssa_redirect_edge): Replace PENDING_STMT use with
18553         redirect_edge_var_map_*.
18554         (flush_pending_stmts): Same.
18555         (delete_tree_ssa): Destroy edge var map.
18556         * tree-flow.h (struct _edge_var_map): New.
18557         Define edge_var_map vector type.
18558         Declare redirect_edge_var_map_* prototypes.
18559         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
18560         * tree-cfg.c (reinstall_phi_args): Replace
18561         PENDING_STMT use with redirect_edge_var_map_*.
18562
18563 2008-03-05  Richard Guenther  <rguenther@suse.de>
18564
18565         PR tree-optimization/35472
18566         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
18567         whose single use_stmt has a overlapping set of loaded and
18568         stored symbols as that use_stmt might be a noop assignment then.
18569
18570 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
18571
18572         * gthr-rtems.h: Implement __gthread_mutex_destroy.
18573
18574 2008-03-05  Richard Guenther  <rguenther@suse.de>
18575
18576         PR c++/35336
18577         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
18578         should be constants.
18579         * tree-cfg.c (verify_expr): Verify it.
18580         * fold-const.c (fold_truthop): Remove code generating
18581         BIT_FIELD_REFs of structure bases.
18582         (fold_binary): Likewise.
18583         (fold_ternary): Position and size of BIT_FIELD_REFs are
18584         always host integers.
18585         (make_bit_field_ref): Remove.
18586         (optimize_bit_field_compare): Remove.
18587         (all_ones_mask_p): Remove.
18588
18589 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
18590
18591         PR gcc/33009
18592         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
18593         (split_block_and_df_analyze): New. Split basic block and rebuild
18594         dataflow.
18595         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
18596         SPLIT_BLOCK.
18597         (split_pattern_seq): Likewise.
18598         (erase_matching_seqs): Likewise.
18599         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
18600
18601 2008-03-04  Geoff Keating  <geoffk@apple.com>
18602
18603         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
18604         declaration and code.
18605         (tree_invalid_nonnegative_warnv_p): Likewise.
18606
18607 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
18608
18609         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
18610         examples.  Truncate option-names then causing overfull hbox.
18611
18612 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18613
18614         PR target/35222
18615         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
18616         on hpux10.
18617         * configure: Rebuilt.
18618
18619 2008-03-04  Rafael Espindola  <espindola@google.com>
18620
18621         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
18622         (tree_unary_nonnegative_warnv_p): New.
18623         (tree_binary_nonnegative_warnv_p): New.
18624         (tree_single_nonnegative_warnv_p): New.
18625         (tree_invalid_nonnegative_warnv_p): New.
18626         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
18627
18628 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18629
18630         PR 28322
18631         * opts.c (handle_option): Postpone 'unknown option' errors only for
18632         warning options.
18633
18634 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
18635
18636         PR target/35453
18637         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
18638         (_SIDD_XXX): This.
18639
18640 2008-03-04  Rafael Espindola  <espindola@google.com>
18641
18642         * fold-const.c (tree_unary_nonzero_warnv_p): New.
18643         (tree_binary_nonzero_warnv_p): New.
18644         (tree_single_nonzero_warnv_p): New.
18645         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
18646
18647 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
18648
18649         PR middle-end/35456
18650         * fold-const.c (fold_cond_expr_with_comparison): Prevent
18651         transformations for modes that have signed zeros.
18652         * ifcvt.c (noce_try_abs): Ditto.
18653
18654 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
18655
18656         * config/i386/i386.c (override_options): Force
18657         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
18658
18659 2008-03-04  Jan Hubicka  <jh@suse.cz>
18660
18661         PR c++/35262
18662         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
18663         in last commit.
18664
18665 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
18666
18667         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
18668         label to probe the stack.
18669
18670 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
18671
18672         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
18673         (__gthr_win32_mutex_destroy): Declare.
18674         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
18675         __gthr_win32_mutex_destroy.
18676         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
18677
18678 2008-03-03  Jan Hubicka  <jh@suse.cz>
18679
18680         PR c++/35262
18681         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
18682         aggressive on inlining cold calls.
18683
18684 2008-03-03  Richard Guenther  <rguenther@suse.de>
18685
18686         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
18687         struct copies into the expression table.
18688         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
18689         (try_to_simplify): Likewise.
18690         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
18691         integral and pointer arguments which do not change the
18692         precision to NOP_EXPRs.
18693         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
18694         VIEW_CONVERT_EXPR case.
18695
18696 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
18697
18698         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
18699         defined in a loop at depth 0 is invariant.
18700         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
18701         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
18702         be called at loop depth 0.
18703
18704 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
18705
18706         PR driver/35420
18707         * gcc.c (process_command): Update copyright notice dates.
18708         * gcov.c (print_version): Likewise.
18709         * gcov-dump.c (print_version): Likewise.
18710         * mips-tfile.c (main): Likewise.
18711         * mips-tdump.c (main): Likewise.
18712
18713 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18714
18715         PR 24924
18716         * c-common.c (flag_permissive): Delete.
18717         (constant_expression_warnings): Check flags first.
18718         (constant_expression_error): New.
18719         * c-common.h (flag_permissive): Delete.
18720         (constant_expression_error): Declare.
18721         * flags.h (flag_permissive): Declare. Update description.
18722         * diagnostic.c (pedwarn): Update.
18723         (permerror): New.
18724         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
18725         (permissive_error_kind): New.
18726         * toplev.c (flag_permissive): Define. Update description.
18727         * toplev.h (permissive_error_kind): Declare.
18728         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
18729         (pedwarn_c90): Use pedantic_warning_kind.
18730         * c-opts.c (c_common_post_options): flag_permissive does not affect
18731         flag_pedantic_errors.
18732
18733 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
18734
18735         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
18736         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
18737         __absvsi2, __absvDI2): Use unsigned arithmetic.
18738
18739 2008-03-02  Andi Kleen  <ak@suse.de>
18740             Richard Guenther  <rguenther@suse.de>
18741
18742         * struct-equiv.c: Remove file.
18743         * cfg_cleanup.c (condjump_equiv_p): Remove.
18744         * Makefile.in (OBJS-common): Remove struct-equiv.o.
18745         (struct-equiv.o): Remove rule.
18746         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
18747         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
18748         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
18749
18750 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
18751
18752         * ifcvt.c (noce_process_if_block): Try to handle only the then
18753         block if the else block exists but isn't suitable.
18754
18755 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
18756
18757         PR gcc/35063
18758         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
18759         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
18760         regression from previous patch.
18761
18762 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
18763
18764         PR gcc/35063
18765         * gthr.h: Add __gthread_mutex_destroy as a function that must be
18766         implemented.
18767         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
18768         * gthr-single.h (__gthread_mutex_destroy): Likewise.
18769         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
18770         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
18771         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
18772         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
18773         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
18774         (__gthread_mutex_destroy_function): Rename to
18775         __gthread_mutex_destroy.
18776         * gthr-dce.h (__gthread_mutex_destroy): Call
18777         pthread_mutex_destroy.
18778         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
18779         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
18780         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
18781
18782 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
18783
18784         * df-scan.c (df_ref_chain_change_bb): Simplify.
18785         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
18786         set_block_for_insn if there's any change.
18787         * df.h ((df_insn_change_bb): Fix prototype.
18788         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
18789         df_insn_change_bb, don't call set_block_for_insn.
18790         * emit-rtl.c (reorder_insns): Likewise.
18791         * haifa-sched.c (move_insn): Likewise.
18792
18793 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
18794
18795         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
18796
18797 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
18798
18799         * tree-flow-inline.h (next_readonly_imm_use): Return
18800         NULL_USE_OPERAND_P after the end.
18801
18802 2008-03-01  Richard Guenther  <rguenther@suse.de>
18803
18804         PR tree-optimization/35411
18805         * tree-sra.c (sra_build_assignment): Split conversion to
18806         final type to a separate statement if we are not assigning
18807         to a register.
18808
18809 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
18810
18811         * fold-const.c (fold_convertible_p): Correct the logic to follow
18812         that in fold_convert().
18813
18814 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
18815
18816         PR c++/35315
18817         * tree-inline.c (build_duplicate_type): When we make a
18818         duplicate type, make it unique in the canonical types system.
18819
18820 2008-02-29  Tom Tromey  <tromey@redhat.com>
18821
18822         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
18823         input_file_stack_history, input_file_stack_restored): Remove.
18824         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
18825         * input.h (struct file_stack): Remove.
18826         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
18827         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
18828         Likewise.
18829         * diagnostic.h (struct diagnostic_context) <last_module>: Change
18830         type.
18831         (diagnostic_last_module_changed): Add 'map' argument.
18832         (diagnostic_set_last_function): Likewise.
18833         * diagnostic.c (undiagnostic_report_current_module): Iterate using
18834         line map, not input_file_stack.
18835         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
18836
18837 2008-02-29  Paul Brook  <paul@codesourcery.com>
18838
18839         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
18840
18841 2008-02-29  Paul Brook  <paul@codesourcery.com>
18842
18843         * config/arm/ieee754-df.S (muldf3): Use RET macros.
18844
18845 2008-02-29  Richard Guenther  <rguenther@suse.de>
18846
18847         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
18848         vn_lookup_or_add.
18849         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
18850         value for comparing for a store match.
18851         (simplify_unary_expression): Do nothing for SSA_NAMEs.
18852         (try_to_simplify): Do not do a full-blown reference lookup.
18853
18854 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
18855
18856         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
18857         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18858
18859         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
18860
18861 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
18862
18863         * tree-loop-linear.c (try_interchange_loops): Compare memory access
18864         strides against cache sizes.
18865
18866 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
18867
18868         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
18869         constant to fpul.
18870
18871 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
18872
18873         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
18874         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
18875         is smaller than the original promoted value.
18876         (simplify_subreg): If OP is a SUBREG, try to preserve its
18877         SUBREG_PROMOTED_VAR_P information.
18878
18879 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
18880
18881         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
18882         (VN_INFO_GET): Allocate new objects on the obstack.
18883         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
18884         for rpo_numbers_temp, for consistency.
18885         (free_scc_vn): Free the obstack.
18886
18887 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
18888
18889         * doc/invoke.texi: Document -ftree-loop-distribution.
18890         * tree-loop-distribution.c: New.
18891         * tree-pass.h (pass_loop_distribution): New.
18892         * graphds.h (struct graph): Add htab_t indices.
18893         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
18894         * tree-vectorizer.c (rename_variables_in_loop): Extern.
18895         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
18896         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
18897         * tree-data-ref.c (debug_data_dependence_relations): New.
18898         (dump_data_dependence_relation): Also print data references.
18899         (free_data_ref): Extern.
18900         (same_access_functions): Moved...
18901         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
18902         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
18903         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
18904         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
18905         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
18906         (stmts_from_loop): Skip LABEL_EXPR.
18907         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
18908         New.
18909         (build_rdg): Initialize rdg->indices htab.
18910         (free_rdg, stores_from_loop, ref_base_address,
18911         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
18912         have_similar_memory_accesses_1, ref_base_address_1,
18913         remove_similar_memory_refs): New.
18914         * tree-data-ref.h: Depend on tree-chrec.h.
18915         (debug_data_dependence_relations, free_data_ref): Declared.
18916         (same_access_functions): ... here.
18917         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
18918         New.
18919         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
18920         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
18921         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
18922         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
18923         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
18924         rdg_vertex_for_stmt): Declared.
18925         (struct rdg_edge): Add level.
18926         (RDGE_LEVEL): New.
18927         (free_rdg, stores_from_loop, remove_similar_memory_refs,
18928         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
18929         Declared.
18930         (rdg_has_similar_memory_accesses): New.
18931         * tree-vect-analyze.c: Remove unused static decls.
18932         * lambda.h (dependence_level): New.
18933         * common.opt (ftree-loop-distribution): New.
18934         * tree-flow.h (mark_virtual_ops_in_bb,
18935         slpeel_tree_duplicate_loop_to_edge_cfg,
18936         rename_variables_in_loop): Declared.
18937         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
18938         (OBJS-common): Add tree-loop-distribution.o.
18939         (tree-loop-distribution.o): New rule.
18940         * tree-cfg.c (mark_virtual_ops_in_bb): New.
18941         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
18942         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
18943
18944 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
18945
18946         PR target/33963
18947         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
18948         other than structures and unions.
18949
18950 2008-02-28  Richard Guenther  <rguenther@suse.de>
18951
18952         Revert:
18953         2008-02-26  Richard Guenther  <rguenther@suse.de>
18954
18955         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18956         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18957         (lookup_decl_from_uid): Declare.
18958         (remove_decl_from_map): Likewise.
18959         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18960         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18961         (decl_for_uid_map): New global hashtable mapping DECL_UID
18962         to the decl tree.
18963         (init_ttree): Allocate it.
18964         (insert_decl_to_uid_decl_map): New helper function.
18965         (make_node_stat): Insert new decls into the map.
18966         (copy_node_stat): Likewise.
18967         (lookup_decl_from_uid): New function.
18968         (remove_decl_from_map): Likewise.
18969         (print_decl_for_uid_map_statistics): New helper.
18970         (dump_tree_statistics): Call it.
18971
18972         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18973         (referenced_var_iterator): Adjust.
18974         (FOR_EACH_REFERENCED_VAR): Adjust.
18975         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18976         (num_referenced_vars): Adjust.
18977         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18978         (first_referenced_var): Remove.
18979         (end_referenced_vars_p): Likewise.
18980         (next_referenced_var): Likewise.
18981         (referenced_var_iterator_set): New helper function.
18982         * tree-dfa.c (referenced_var_lookup): Adjust.
18983         (referenced_var_check_and_insert): Likewise.
18984         (remove_referenced_var): Likewise.
18985         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18986         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18987         (verify_call_clobbering): Likewise.
18988         (verify_memory_partitions): Likewise.
18989         (init_tree_ssa): Allocate bitmap instead of hashtable for
18990         referenced_vars.
18991         (delete_tree_ssa): Adjust.
18992         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18993         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18994         (compute_tag_properties): Likewise.
18995         (set_initial_properties): Likewise.
18996         (find_partition_for): Likewise.
18997         (update_reference_counts): Likewise.
18998         (dump_may_aliases_for): Likewise.
18999         * tree-ssa-operands.c (add_virtual_operand): Likewise.
19000         (add_call_clobber_ops): Likewise.
19001         (add_call_read_ops): Likewise.
19002         (get_asm_expr_operands): Likewise.
19003         * tree-into-ssa.c (dump_decl_set): Likewise.
19004         (update_ssa): Likewise.
19005         * tree-sra.c (scan_function): Likewise.
19006         (decide_instantiations): Likewise.
19007         (scalarize_parms): Likewise.
19008         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
19009         (dsa_named_for): Likewise.
19010         * tree-ssa-structalias.c (update_alias_info): Likewise.
19011         (merge_smts_into): Likewise.
19012
19013 2008-02-27  David Daney  <ddaney@avtrex.com>
19014
19015         PR target/34409
19016         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
19017         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
19018         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
19019         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
19020         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
19021
19022 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
19023
19024         PR target/25477
19025         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
19026         (BUILT_IN_NEXTTOWARD): Remove.
19027         (BUILT_IN_NEXTTOWARDF): Ditto.
19028         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
19029         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
19030
19031 2008-02-27  Tom Tromey  <tromey@redhat.com>
19032
19033         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
19034         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
19035
19036 2008-02-27  Jan Beulich  <jbeulich@novell.com>
19037
19038         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
19039         update the respective field on newdecl.
19040
19041 2008-02-27  Revital Eres  <eres@il.ibm.com>
19042
19043         PR rtl-optimization/34999
19044         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
19045         crossing edges that ends with a call insn.
19046         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
19047         call insn and clear the EDGE_CROSSING flag of the crossing edge
19048         when fixing fallthru edges.
19049
19050 2008-02-27  Richard Guenther  <rguenther@suse.de>
19051
19052         PR middle-end/35390
19053         * fold-const.c (fold_unary): Return the correct argument,
19054         converted to the result type.
19055
19056 2008-02-27  Richard Guenther  <rguenther@suse.de>
19057
19058         PR middle-end/34971
19059         * expr.c (expand_expr_real_1): Assert on rotates that operate
19060         on partial modes.
19061         * fold-const.c (fold_binary): Use the types precision, not the
19062         bitsize of the mode if folding rotate expressions.  Build rotates
19063         only for full modes.
19064
19065 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
19066
19067         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
19068         and CPP_PRAGMA_EOL.
19069         * c-pragma.c (pragma_ns_name): New typedef.
19070         (registered_pp_pragmas): New variable.
19071         (c_pp_lookup_pragma): New function.
19072         (c_register_pragma_1): If flag_preprocess_only, do nothing
19073         for non-expanded pragmas, for expanded ones push pragma's
19074         namespace and name into registered_pp_pragmas vector.
19075         (c_invoke_pragma_handler): Register OpenMP pragmas even when
19076         flag_preprocess_only, don't register GCC pch_preprocess
19077         pragma if flag_preprocess_only.
19078         * c-opts.c (c_common_init): Call init_pragma even if
19079         flag_preprocess_only.
19080         * c-pragma.c (c_pp_lookup_pragma): New prototype.
19081         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
19082         cpp_register_pragma if flag_preprocess_only.
19083
19084 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19085
19086         PR c/28800
19087         * c-parser.c (c_parser_translation_unit): Warn for empty
19088         translation unit, not empty source file.
19089
19090 2008-02-26  Paul Brook  <paul@codesourcery.com>
19091
19092         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
19093         operand for Thumb-2.
19094         * config/arm/arm.h (reg_class): Add CORE_REGS.
19095         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
19096         (BASE_REG_CLASS): Use CORE_REGS.
19097         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
19098         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
19099         (REGNO_OK_FOR_INDEX_P): Exclude SP.
19100         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
19101         ARM_REGNO_OK_FOR_INDEX_P.
19102         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
19103         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
19104         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
19105         (ldm/stm peepholes): Ditto.
19106         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
19107         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
19108         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
19109         * config/arm/constraints.md: Enable "k" constraint on ARM.
19110
19111 2008-02-27  Ben Elliston  <bje@au.ibm.com>
19112
19113         * config/rs6000/rs6000.c: Annotate cache line size field in all
19114         instances of struct processor_costs.
19115
19116 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
19117
19118         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
19119         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
19120         jump_bypass): New counters.
19121         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
19122         * dce.c (gate_ud_dce): Same.
19123         (gate_fast_dce): Same.
19124         * dse.c (gate_dse1): New function.
19125         (gate_dse2): New function.
19126         (gate_dse): Merge results of new gate functions.
19127         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
19128         (gate_handle_jump_bypass): Add dbg_cnt.
19129         (gate_handle_gcse): Add dbg_cnt.
19130         * ifcvt.c (gate_handle_if_conversion): Same.
19131         (gate_handle_if_after_combine): Same.
19132         (gate_handle_if_after_reload): Same.
19133         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
19134
19135 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
19136
19137         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
19138         line sizes.
19139         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
19140
19141 2008-02-26  Jason Merrill  <jason@redhat.com>
19142
19143         PR c++/35315
19144         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
19145         alone if it's the naming decl for the type's main variant.
19146
19147 2008-02-26  Tom Tromey  <tromey@redhat.com>
19148
19149         * system.h (USE_MAPPED_LOCATION): Poison.
19150         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
19151         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
19152         (make_goto_expr_edges): Likewise.
19153         (remove_bb): Likewise.
19154         (execute_warn_function_return): Likewise.
19155         * basic-block.h (struct edge_def) <goto_locus>: Change type to
19156         location_t.
19157         * c-common.c (fname_decl): Remove old location code.
19158         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
19159         location code.
19160         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
19161         variant.
19162         (ASM_INPUT_SOURCE_LOCATION): Likewise.
19163         (gen_rtx_ASM_INPUT): Likewise.
19164         (gen_rtx_ASM_INPUT_loc): Likewise.
19165         (get_rtx_asm_OPERANDS): Remove.
19166         * cfglayout.c (insn_locators_alloc): Remove old location code.
19167         (set_curr_insn_source_location): Likewise.
19168         (curr_insn_locator): Likewise.
19169         * print-tree.c (print_node): Remove old location code.
19170         * tree-mudflap.c (mf_varname_tree): Remove old location code.
19171         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
19172         * cfgexpand.c (expand_gimple_cond_expr): Don't use
19173         location_from_locus.
19174         (construct_exit_block): Remove old location code.
19175         * emit-rtl.c (force_next_line_note): Remove old location code.
19176         * profile.c (branch_prob): Remove old location code.
19177         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
19178         LOC_LINE): Remove old-location variants.
19179         * langhooks.c (lhd_print_error_function): Remove old location
19180         code.
19181         * configure, config.in: Rebuilt.
19182         * configure.ac (--enable-mapped-location): Remove.
19183         * c-decl.c (c_init_decl_processing): Remove old location code.
19184         (finish_function): Likewise.
19185         * recog.c (decode_asm_operands): Remove old location code.
19186         * c-pch.c (c_common_read_pch): Remove old location code.
19187         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
19188         variants.
19189         * gimple-low.c (lower_function_body): Remove old location code.
19190         * toplev.c (unknown_location): Remove.
19191         (push_srcloc): Remove old-location variant.
19192         (process_options): Remove old location code.
19193         (lang_dependent_init): Likewise.
19194         * input.h (UNKNOWN_LOCATION): Move definition.
19195         (location_t): Undeprecate.
19196         (source_locus): Remove.
19197         (location_from_locus): Remove.
19198         (struct location_s): Remove.
19199         Remove all old-location code.
19200         (input_line, input_filename): Remove.
19201         * final.c (final_scan_insn): Remove old location code.
19202         * diagnostic.c (diagnostic_build_prefix): Remove
19203         USE_MAPPED_LOCATION test.
19204         * tree.h (gimple_stmt) <locus>: Now a location_t.
19205         (tree_exp) <locus>: Likewise.
19206         (DECL_IS_BUILTIN): Remove old-location variant.
19207         (annotate_with_file_line, annotate_with_locus): Likewise.
19208         (expr_locus, set_expr_locus): Update.
19209         * tree.c (build1_stat): Remove old location code.
19210         (last_annotated_node): Remove.
19211         (annotate_with_file_line): Remove old-location variant.
19212         (annotate_with_locus): Likewise.
19213         (expr_location): Remove old location code.
19214         (set_expr_location): Likewise.
19215         (expr_has_location): Likewise.
19216         (expr_locus): Likewise.
19217         (set_expr_locus): Likewise.
19218         (expr_filename): Don't use location_from_locus.
19219         (expr_lineno): Likewise.
19220         * rtl-error.c (location_for_asm): Remove old location code.
19221         * c-lex.c (cb_line_change): Remove old location code.
19222         (fe_file_change): Likewise.
19223         (cb_def_pragma): Likewise.
19224         (c_lex_with_flags): Likewise.
19225         * gengtype.c (do_typedef): Don't special-case location types.
19226         (define_location_structures): Remove.
19227         (main): Don't call define_location_structures.
19228         * tree-pretty-print.c (dump_implicit_edges): Remove old location
19229         code.
19230
19231 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19232
19233         PR 26264
19234         * builtins.def (BUILT_IN_STDARG_START): Remove.
19235         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
19236         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
19237         * tree-inline.c (inline_forbidden_p_1): Likewise.
19238
19239 2008-02-26  Richard Guenther  <rguenther@suse.de>
19240
19241         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
19242         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
19243         (lookup_decl_from_uid): Declare.
19244         (remove_decl_from_map): Likewise.
19245         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
19246         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
19247         (decl_for_uid_map): New global hashtable mapping DECL_UID
19248         to the decl tree.
19249         (init_ttree): Allocate it.
19250         (insert_decl_to_uid_decl_map): New helper function.
19251         (make_node_stat): Insert new decls into the map.
19252         (copy_node_stat): Likewise.
19253         (lookup_decl_from_uid): New function.
19254         (remove_decl_from_map): Likewise.
19255         (print_decl_for_uid_map_statistics): New helper.
19256         (dump_tree_statistics): Call it.
19257
19258         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
19259         (referenced_var_iterator): Adjust.
19260         (FOR_EACH_REFERENCED_VAR): Adjust.
19261         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
19262         (num_referenced_vars): Adjust.
19263         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
19264         (first_referenced_var): Remove.
19265         (end_referenced_vars_p): Likewise.
19266         (next_referenced_var): Likewise.
19267         (referenced_var_iterator_set): New helper function.
19268         * tree-dfa.c (referenced_var_lookup): Adjust.
19269         (referenced_var_check_and_insert): Likewise.
19270         (remove_referenced_var): Likewise.
19271         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
19272         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19273         (verify_call_clobbering): Likewise.
19274         (verify_memory_partitions): Likewise.
19275         (init_tree_ssa): Allocate bitmap instead of hashtable for
19276         referenced_vars.
19277         (delete_tree_ssa): Adjust.
19278         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
19279         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19280         (compute_tag_properties): Likewise.
19281         (set_initial_properties): Likewise.
19282         (find_partition_for): Likewise.
19283         (update_reference_counts): Likewise.
19284         (dump_may_aliases_for): Likewise.
19285         * tree-ssa-operands.c (add_virtual_operand): Likewise.
19286         (add_call_clobber_ops): Likewise.
19287         (add_call_read_ops): Likewise.
19288         (get_asm_expr_operands): Likewise.
19289         * tree-into-ssa.c (dump_decl_set): Likewise.
19290         (update_ssa): Likewise.
19291         * tree-sra.c (scan_function): Likewise.
19292         (decide_instantiations): Likewise.
19293         (scalarize_parms): Likewise.
19294         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
19295         (dsa_named_for): Likewise.
19296         * tree-ssa-structalias.c (update_alias_info): Likewise.
19297         (merge_smts_into): Likewise.
19298
19299 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19300
19301         PR 34351
19302         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
19303         * c-opts.c (c_common_handle_option): Wall enables
19304         Wvolatile-register-var.
19305         * common.opt: Move Wvolatile-register-var to...
19306         * c.opt: ...here.
19307
19308 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19309
19310         * common.opt (Wlarger-than=): New.
19311         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
19312         -Wlarger-than=.
19313         * opts.c (common_handle_option): Handle -Wlarger-than=.
19314         * optc-gen.awk: Likewise.
19315         * opth-gen.awk: Likewise.
19316         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
19317         * tree-optimize.c (tree_rest_of_compilation): Likewise.
19318
19319 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
19320
19321         * c-common.c (match_case_to_enum_1): Add appropriate
19322         OPT_W* parameter to warning.
19323         (c_do_switch_warnings): Likewise.
19324         * c-typeck.c (warning_init): Add one more parameter following
19325         'warning' function.
19326         (push_init_level): Update call to warning_init.
19327         (pop_init_level): Likewise.
19328         (add_pending_init): Likewise.
19329         (output_init_element: Likewise.
19330
19331 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19332
19333         PR 28322
19334         * toplev.c (toplev_main): If there are warnings or error, print
19335         errors for ignored options.
19336         * opts.c (ignored_options): New static variable.
19337         (postpone_unknown_option_error): New.
19338         (print_ignored_options): New.
19339         (handle_option): Postpone errors for unknown -Wno-* options.
19340         * opts.h (print_ignored_options): Declare.
19341
19342 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
19343
19344         * config/mips/mips.md (loadgp_blockage, blockage): Change type
19345         to "ghost".
19346
19347 2008-02-25  Richard Guenther  <rguenther@suse.de>
19348
19349         Revert:
19350         2008-02-25  Richard Guenther  <rguenther@suse.de>
19351
19352         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
19353         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
19354         (lookup_decl_from_uid): Declare.
19355         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
19356         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
19357         (decl_for_uid_map): New global hashtable mapping DECL_UID
19358         to the decl tree.
19359         (init_ttree): Allocate it.
19360         (insert_decl_to_uid_decl_map): New helper function.
19361         (make_node_stat): Insert new decls into the map.
19362         (copy_node_stat): Likewise.
19363         (lookup_decl_from_uid): New function.
19364         (print_decl_for_uid_map_statistics): New helper.
19365         (dump_tree_statistics): Call it.
19366
19367         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
19368         (referenced_var_iterator): Adjust.
19369         (FOR_EACH_REFERENCED_VAR): Adjust.
19370         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
19371         (num_referenced_vars): Adjust.
19372         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
19373         (first_referenced_var): Remove.
19374         (end_referenced_vars_p): Likewise.
19375         (next_referenced_var): Likewise.
19376         (referenced_var_iterator_set): New helper function.
19377         * tree-dfa.c (referenced_var_lookup): Adjust.
19378         (referenced_var_check_and_insert): Likewise.
19379         (remove_referenced_var): Likewise.
19380         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
19381         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19382         (verify_call_clobbering): Likewise.
19383         (verify_memory_partitions): Likewise.
19384         (init_tree_ssa): Allocate bitmap instead of hashtable for
19385         referenced_vars.
19386         (delete_tree_ssa): Adjust.
19387         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
19388         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19389         (compute_tag_properties): Likewise.
19390         (set_initial_properties): Likewise.
19391         (find_partition_for): Likewise.
19392         (update_reference_counts): Likewise.
19393         (dump_may_aliases_for): Likewise.
19394         * tree-ssa-operands.c (add_virtual_operand): Likewise.
19395         (add_call_clobber_ops): Likewise.
19396         (add_call_read_ops): Likewise.
19397         (get_asm_expr_operands): Likewise.
19398         * tree-into-ssa.c (dump_decl_set): Likewise.
19399         (update_ssa): Likewise.
19400         * tree-sra.c (scan_function): Likewise.
19401         (decide_instantiations): Likewise.
19402         (scalarize_parms): Likewise.
19403         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
19404         (dsa_named_for): Likewise.
19405         * tree-ssa-structalias.c (update_alias_info): Likewise.
19406         (merge_smts_into): Likewise.
19407
19408 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
19409
19410         PR fortran/29549
19411         * doc/invoke.texi (-fcx-limited-range): Document new option.
19412         * toplev.c (process_options): Handle -fcx-fortran-rules.
19413         * common.opt: Add documentation for -fcx-fortran-rules.
19414
19415 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
19416
19417         PR c/35162
19418         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
19419         actual behaviour and C99.
19420
19421 2008-02-26  Ben Elliston  <bje@au.ibm.com>
19422
19423         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
19424         (ASM_CPU_POWER6_SPEC): Likewise.
19425         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
19426         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
19427         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
19428
19429 2008-02-25  Richard Guenther  <rguenther@suse.de>
19430
19431         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
19432         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
19433         (lookup_decl_from_uid): Declare.
19434         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
19435         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
19436         (decl_for_uid_map): New global hashtable mapping DECL_UID
19437         to the decl tree.
19438         (init_ttree): Allocate it.
19439         (insert_decl_to_uid_decl_map): New helper function.
19440         (make_node_stat): Insert new decls into the map.
19441         (copy_node_stat): Likewise.
19442         (lookup_decl_from_uid): New function.
19443         (print_decl_for_uid_map_statistics): New helper.
19444         (dump_tree_statistics): Call it.
19445
19446         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
19447         (referenced_var_iterator): Adjust.
19448         (FOR_EACH_REFERENCED_VAR): Adjust.
19449         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
19450         (num_referenced_vars): Adjust.
19451         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
19452         (first_referenced_var): Remove.
19453         (end_referenced_vars_p): Likewise.
19454         (next_referenced_var): Likewise.
19455         (referenced_var_iterator_set): New helper function.
19456         * tree-dfa.c (referenced_var_lookup): Adjust.
19457         (referenced_var_check_and_insert): Likewise.
19458         (remove_referenced_var): Likewise.
19459         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
19460         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19461         (verify_call_clobbering): Likewise.
19462         (verify_memory_partitions): Likewise.
19463         (init_tree_ssa): Allocate bitmap instead of hashtable for
19464         referenced_vars.
19465         (delete_tree_ssa): Adjust.
19466         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
19467         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19468         (compute_tag_properties): Likewise.
19469         (set_initial_properties): Likewise.
19470         (find_partition_for): Likewise.
19471         (update_reference_counts): Likewise.
19472         (dump_may_aliases_for): Likewise.
19473         * tree-ssa-operands.c (add_virtual_operand): Likewise.
19474         (add_call_clobber_ops): Likewise.
19475         (add_call_read_ops): Likewise.
19476         (get_asm_expr_operands): Likewise.
19477         * tree-into-ssa.c (dump_decl_set): Likewise.
19478         (update_ssa): Likewise.
19479         * tree-sra.c (scan_function): Likewise.
19480         (decide_instantiations): Likewise.
19481         (scalarize_parms): Likewise.
19482         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
19483         (dsa_named_for): Likewise.
19484         * tree-ssa-structalias.c (update_alias_info): Likewise.
19485         (merge_smts_into): Likewise.
19486
19487 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
19488
19489         PR target/35258
19490         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
19491         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
19492         * alias.h (nonoverlapping_memrefs_p): Likewise.
19493
19494 2008-02-25  Jan Beulich  <jbeulich@novell.com>
19495
19496         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
19497         * config/i386/netware-libgcc.exp: Add __bswap?i2,
19498         __emultls_get_address, __emultls_register_common,
19499         __floatundi?f, and _Unwind_GetIPInfo.
19500         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
19501         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
19502         (gen_regparm_prefix): Likewise.
19503         (i386_nlm_encode_section_info): Sync with
19504         config/i386/winnt.c:i386_pe_encode_section_info().
19505         (i386_nlm_maybe_mangle_decl_assembler_name): New.
19506         i386_nlm_mangle_decl_assembler_name): New.
19507         (netware_override_options): New.
19508         * config/i386/netware.h (netware_override_options): Declare.
19509         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
19510         (i386_nlm_mangle_decl_assembler_name): Declare.
19511         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
19512
19513 2008-02-25  Ben Elliston  <bje@au.ibm.com>
19514
19515         PR other/32948
19516         * c-decl.c (grokdeclarator): Remove unused local variables
19517         `typedef_type' and `type_as_written'.
19518         * bb-reorder.c
19519         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
19520         unused local variable `has_hot_blocks'.
19521         (fix_crossing_conditional_branches): Remove unused local variable
19522         `prev_bb'.
19523
19524 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
19525
19526         PR middle-end/19984
19527         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
19528         using DEF_C99_BUILTIN.
19529         (BUILT_IN_NANF): Ditto.
19530         (BUILT_IN_NANL): Ditto.
19531
19532 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
19533             Revital Eres  <eres@il.ibm.com>
19534
19535         * modulo-sched.c (calculate_must_precede_follow): Address TODO
19536         regarding the order of two dependent insns in the same row.
19537
19538 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
19539
19540         * stor-layout.c (layout_decl): Do not bump the alignment of a
19541         bit-field to more than byte alignment if it is packed.
19542
19543 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
19544
19545         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
19546         e300c2 and e300c3.
19547
19548 2008-02-24  Diego Novillo  <dnovillo@google.com>
19549
19550         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
19551
19552         PR 33738
19553         * tree-vrp.c (vrp_evaluate_conditional): With
19554         -Wtype-limits, emit a warning when comparing against a
19555         constant outside the natural range of OP0's type.
19556         * c.opt (Wtype-limits): Move ...
19557         * common.opt (Wtype-limits): ... here.
19558
19559 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
19560
19561         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
19562         * config/rs6000/e300c2c3.md: New file.
19563         * config/rs6000/rs6000.c (processor_costs): Add new costs for
19564         e300c2 and e300c3.
19565         (rs6000_override_options): Add e300c2 and e300c3 cases to
19566         processor_target_table. Do not allow usage of Altivec or Spe
19567         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
19568         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
19569         * config/rs6000/rs6000.h (processor_type): Add
19570         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
19571         (ASM_CPU_SPEC): Add e300c2 and e300c3.
19572         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
19573         and ppce300c3. Include e300c2c3.md.
19574
19575 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
19576
19577         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
19578         instead of TARGET_STRICT_ALIGN.
19579
19580 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
19581
19582         * explow.c (memory_address): Assert that the generated address is
19583         valid.
19584
19585 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
19586
19587         PR target/25477
19588         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
19589         * config/darwin-ppc-ldouble-patch.def: New file.
19590         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
19591         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
19592         SUBTARGET_INIT_BUILTINS if defined.
19593         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
19594         New functions.
19595
19596 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19597
19598         PR rtl-opt/33512
19599         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
19600         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
19601
19602 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19603
19604         PR pch/35027
19605         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
19606         file" warning condtional on -Winvalid-PCH.
19607
19608 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
19609
19610         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
19611
19612 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
19613
19614         PR target/22076
19615         PR target/34256
19616         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
19617         prevent reload from using MMX registers.
19618         (*mov<mode>_internal): Ditto.
19619         (*movv2sf_internal_rex64): Ditto.
19620         (*movv2sf_internal): Ditto.
19621
19622 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19623
19624         PR documentation/31569
19625         * doc/install.texi2html: Use makeinfo --no-number-sections.
19626
19627 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
19628
19629         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
19630         ensure that we can address an entire entity > 8 bytes.  Don't
19631         generate reg+reg addressing for such data.
19632
19633 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
19634
19635         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
19636         strings when optimizing for size, unless the target cares about
19637         alignment.
19638
19639 2008-02-22  Tom Tromey  <tromey@redhat.com>
19640
19641         * regclass.c (current_pass): Remove declaration.
19642
19643 2008-02-22  Anatoly Sokolov <aesok@post.ru>
19644
19645         * config/avr/libgcc.S (__RAMPZ__): Define.
19646         (__do_copy_data): Add for devices with 128KB code memory.
19647
19648 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
19649
19650         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
19651         Use spe_abi.
19652         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
19653
19654 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
19655
19656         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
19657         GENNONACR_REGS.
19658
19659 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19660
19661         PR c/19999
19662         * c-typeck.c (build_binary_op): Warn about floating point
19663         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
19664
19665 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
19666
19667         PR target/34526
19668         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
19669         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
19670         add vrsave.
19671         (rs6000_override_options): Set altivec_abi as default, not override,
19672         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
19673         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
19674         is used; use new member spe_abi.
19675         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
19676         spe_abi and altivec_abi.
19677
19678 2008-02-22  Tomas Bily  <tbily@suse.cz>
19679
19680         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
19681
19682 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19683
19684         PR bootstrap/35273
19685         * config.build (build_file_translate): Set to `CMD //c' only if
19686         it works.
19687         * Makefile.in (build_file_translate): Improve comment.
19688
19689 2008-02-21  Jan Hubicka  <jh@suse.cz>
19690
19691         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
19692         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
19693         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
19694
19695 2008-02-21  Michael Matz  <matz@suse.de>
19696
19697         PR target/35264
19698         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
19699
19700 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
19701
19702         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
19703         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
19704         as insn constraint.
19705         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
19706         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
19707         SSE_VEC_FLOAT_MODE_P as insn constraint.
19708         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
19709         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
19710         sse4a_movntdf using MODEF mode iterator.
19711         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
19712         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
19713         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
19714         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
19715         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
19716         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
19717         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
19718
19719 2008-02-21  Richard Guenther  <rguenther@suse.de>
19720
19721         * tree.def (PAREN_EXPR): New tree code.
19722         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
19723         and PAREN_EXPR.
19724         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
19725         * expr.c (expand_expr_real_1): Likewise.
19726         * tree-inline.c (estimate_num_insns_1): Likewise.
19727         * tree-complex.c (expand_complex_move): Likewise.
19728         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
19729         as plain x.
19730
19731 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
19732
19733         PR target/35225
19734         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
19735
19736 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
19737
19738         PR target/35190
19739         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
19740
19741         * config/sh/sh.c (find_barrier): Don't go past
19742         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
19743
19744 2008-02-20  DJ Delorie  <dj@redhat.com>
19745
19746         * config/h8300/h8300.md (insv): Force source operand to be a register.
19747
19748         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
19749         as a jump, not as a plain insn.
19750
19751 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
19752
19753         * doc/invoke.texi (Warning Options): Add new option
19754         -Wframe-larger-than=.
19755         (-Wframe-larger-than): Document.
19756
19757         * flags.h (warn_frame_larger_than, frame_larger_than_size):
19758         Add declarations for new option variables.
19759
19760         * final.c (final_start_function): Check the frame size
19761         before emission and issue a Wframe-larger-than warning.
19762
19763         * opts.c (warn_frame_larger_than, frame_larger_than_size):
19764         Add definitions for new option variables.
19765         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
19766
19767         * common.opt (Wframe-larger-than=): New option.
19768
19769 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
19770
19771         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
19772         (<sse>_div<mode>3): Ditto.
19773         (<sse>_vmdiv<mode>3): Ditto.
19774         (<sse>_vmsqrt<mode>2): Ditto.
19775         (*smax<mode>3): Ditto.
19776         (sse5_frcz<mode>2): Ditto.
19777         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
19778         as insn constraint.
19779
19780 2008-02-20  Richard Guenther  <rguenther@suse.de>
19781
19782         PR middle-end/35265
19783         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
19784         be happy with INTEGRAL_TYPE_P.
19785
19786 2008-02-20  Richard Guenther  <rguenther@suse.de>
19787
19788         * fold-const.c (split_tree): Associate floatig-point expressions
19789         if flag_associative_math is set.
19790
19791 2008-02-20  Richard Guenther  <rguenther@suse.de>
19792
19793         * tree.h (fold_real_zero_addition_p): Declare.
19794         * fold-const.c (fold_real_zero_addition_p): Export.
19795         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
19796         floating-point operations with zero and one.
19797
19798 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
19799
19800         * doc/install.texi: Correct references to CFLAGS, replacing them
19801         with BOOT_CFLAGS.  Document flags used during bootstrap for
19802         target libraries.
19803
19804 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
19805
19806         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
19807         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
19808         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
19809         insn constraint.
19810         (smin<mode>3): Ditto from similar patterns.
19811         (smax<mode>3): Ditto.
19812         (*ieee_smin<mode>3): Ditto.
19813         (*ieee_smax<mode>3): Ditto.
19814         * config/i386/sse.md (sse): New mode attribute.
19815         (mov<mode>): Macroize expander from movv4sf and movv2df using
19816         SSEMODEF2P mode iterator.
19817         (<sse>_movnt<mode>): Ditto from similar patterns. Use
19818         SSE_VEC_FLOAT_MODE_P as insn constraint.
19819         (storent<mode>): Ditto.
19820         (storent<mode>): Macroize expander from storentsf and storentdf using
19821         MODEF mode iterator.
19822         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
19823         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
19824         (abs<mode>2): Ditto from similar patterns.
19825         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
19826         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
19827         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
19828         (<sse>_vmsqrt<mode>2): Ditto.
19829         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
19830         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
19831         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
19832         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
19833         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
19834         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
19835         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
19836         insn constraint.
19837         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
19838         iterator and SSE_FLOAT_MODE_P as insn constraint.
19839         (<sse>_ucomi): Ditto from similar patterns.
19840         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
19841         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
19842         SSE_VEC_FLOAT_MODE_P as insn constraint.
19843         (vcond<mode>): Ditto from similar patterns.
19844         (and<mode>3, *and<mode>3): Ditto.
19845         (<sse>_nand<mode>3): Ditto.
19846         (ior<mode>3, *ior<mode>3): Ditto.
19847         (xor<mode>3, *xor<mode>3): Ditto.
19848         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
19849         iterator and SSE_FLOAT_MODE_P as insn constraint.
19850         (*nand<mode>3): Ditto from similar patterns.
19851         (*ior<mode>3): Ditto.
19852         (*xor<mode>3): Ditto.
19853
19854 2008-02-20  Ira Rosen  <irar@il.ibm.com>
19855
19856         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
19857         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
19858         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
19859
19860 2008-02-19  Jan Hubicka  <jh@suse.cz>
19861
19862         * predict.c (tree_bb_level_predictions): Remove variable next
19863         mistakely introduced by previous commit.
19864
19865 2008-02-19  Jan Hubicka  <jh@suse.cz>
19866
19867         * predict.c (predict_paths_leading_to): Rewrite.
19868         (predict_paths_for_bb): New.
19869         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
19870
19871 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19872
19873         PR bootstrap/35218
19874         * Makefile.in (build_file_translate): New.
19875         (gcc-vers.texi): Use it for translating $(abs_srcdir).
19876         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
19877         * configure.ac (build_file_translate): Substitute it.
19878         * configure: Regenerate.
19879
19880 2008-02-19  Jan Hubicka  <jh@suse.cz>
19881
19882         PR rtl-optimization/34408
19883         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
19884         invalid sharing.
19885
19886 2008-02-19  Jan Hubicka  <jh@suse.cz>
19887
19888         PR middle-end/28779
19889         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
19890         call_expr.
19891
19892 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
19893
19894         PR Ada/35186
19895         * config/i386/i386-modes.def: Revert the last DI alignment
19896         change until Ada people can look into it.
19897
19898 2008-02-19  Nick Clifton  <nickc@redhat.com>
19899
19900         * opts.c (print_specific_help): Fix typo in --help text.
19901
19902 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
19903
19904         PR target/35239
19905         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
19906         32-bit inline asm without asm alternatives for host GCC < 3.0.
19907
19908 2008-02-19  Richard Guenther  <rguenther@suse.de>
19909
19910         PR tree-optimization/34989
19911         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
19912         Allow propagation to INDIRECT_REF if we can simplify only.
19913
19914 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19915
19916         * c-common.c (warn_for_collisions_1): Use appropriate option when
19917         warning.
19918
19919 2008-02-19  Nick Clifton  <nickc@redhat.com>
19920
19921         PR other/31349
19922         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
19923         (handle_options): Fix indentation.
19924         (print_filtered_help): If no language-specific options were
19925         displayed tell the user how to list all the options supported by
19926         the language's front-end.
19927         (print_specific_help): Fix indentation and remove duplicate line.
19928         (common_handle_option): Handle the -v option.
19929         For --help enable the display of undocumented options if the -v
19930         switch has been included on the command line.
19931         For --help= check for overlaps in the arguments between the option
19932         classes and the language names and issue a warning when they
19933         cannot be disambiguated.
19934         * c.opt (v): Pass on to the common option handler.
19935
19936 2008-02-19  Revital Eres  <eres@il.ibm.com>
19937
19938         * modulo-sched.c (sms_schedule): Change dump message when
19939         create_ddg function fails.
19940         (try_scheduling_node_in_cycle): Rename row to cycle.
19941         (print_partial_schedule): Rename CYCLE to ROW.
19942
19943 2008-02-19  Christian Bruel  <christian.bruel@st.com>
19944             Zdenek Dvorak  <ook@ucw.cz>
19945
19946         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
19947
19948 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
19949
19950         PR target/33555
19951         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
19952         (*x86_movdicc_0_m1_se): Ditto.
19953
19954 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
19955
19956         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
19957         (CMPtype): Define as __gcc_CMPtype.
19958         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
19959         (CMPtype): Define as __gcc_CMPtype.
19960
19961 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
19962
19963         Support valgrind 3.3 for --enable-checking=valgrind.
19964         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
19965         here.
19966         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
19967         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
19968         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
19969         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
19970         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
19971         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
19972         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
19973         respectively.
19974         * ggc-zone.c: Similar.
19975         * ggc-page.c: Similar.
19976
19977 2008-02-19  Paul Brook  <paul@codesourcery.com>
19978
19979         PR target/35071
19980         * config/arm/ieee754-df.S: Fix do_it typo.
19981         * config/arm/ieee754-sf.S: Fix do_it typo.
19982
19983 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
19984
19985         PR target/35189
19986         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
19987         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
19988         (OPTION_MASK_ISA_SSE_SET): Likewise.
19989         (OPTION_MASK_ISA_SSE2_SET): Likewise.
19990         (OPTION_MASK_ISA_SSE3_SET): Likewise.
19991         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
19992         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
19993         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
19994         (OPTION_MASK_ISA_SSE4_SET): Likewise.
19995         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
19996         (OPTION_MASK_ISA_SSE5_SET): Likewise.
19997         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
19998         (OPTION_MASK_ISA_MMX_UNSET): Updated.
19999         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
20000         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
20001         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
20002         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
20003         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
20004         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
20005         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
20006         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
20007         (OPTION_MASK_ISA_SSE4): Removed.
20008         (ix86_handle_option): Turn on bits in ix86_isa_flags and
20009         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
20010         (override_options): Don't turn on implied SSE/MMX bits in
20011         ix86_isa_flags.
20012
20013 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
20014
20015         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
20016         32bit host.
20017
20018 2008-02-18  Joey Ye  <joey.ye@intel.com>
20019
20020         PR middle-end/34921
20021         * tree-nested.c (insert_field_into_struct): Set type alignment
20022         to field alignment if the former is less than the latter.
20023
20024 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
20025
20026         * BASE-VER: Set to 4.4.0.
20027
20028 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
20029
20030         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
20031         * doc/cfg.texi: Likewise.
20032         * doc/extend.texi: Likewise.
20033         * doc/gty.texi: Likewise.
20034         * doc/invoke.texi: Likewise.
20035         * doc/loop.texi: Likewise.
20036         * doc/md.texi: Likewise.
20037         * doc/passes.texi: Likewise.
20038         * doc/rtl.texi: Likewise.
20039         * doc/sourcebuild.texi: Likewise.
20040         * doc/tm.texi: Likewise.
20041         * doc/tree-ssa.texi: Likewise.
20042
20043 2008-02-17  Richard Guenther  <rguenther@suse.de>
20044
20045         PR middle-end/35227
20046         * tree-complex.c (init_parameter_lattice_values): Handle parameters
20047         without default definition.
20048
20049 2008-02-17  Richard Guenther  <rguenther@suse.de>
20050
20051         PR tree-optimization/35231
20052         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
20053         if A | B != 1.
20054
20055 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
20056
20057         Revert:
20058         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
20059         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
20060         libgcc_cmp_return mode.
20061
20062 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20063
20064         PR c/28368
20065         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
20066
20067 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
20068
20069         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
20070         multilibs.
20071
20072 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20073
20074         * doc/c-tree.texi: Use `@.' where appropriate.
20075         * doc/extend.texi: Likewise.
20076         * doc/install.texi: Likewise.
20077         * doc/invoke.texi: Likewise.
20078         * doc/loop.texi: Likewise.
20079         * doc/makefile.texi: Likewise.
20080         * doc/md.texi: Likewise.
20081         * doc/passes.texi: Likewise.
20082         * doc/standards.texi: Likewise.
20083         * doc/tm.texi: Likewise.
20084
20085 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
20086
20087         PR middle-end/35196
20088         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
20089         in entry_bb.
20090         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
20091         rather than in entry_bb.
20092
20093 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
20094
20095         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
20096         libgcc_cmp_return mode.
20097
20098 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
20099
20100         PR middle-end/35130
20101         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
20102         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
20103
20104 2008-02-15  Richard Guenther  <rguenther@suse.de>
20105             Zdenek Dvorak  <ook@ucw.cz>
20106
20107         PR tree-optimization/35164
20108         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
20109         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
20110         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
20111         Only propagate addresses which do not have abnormal SSA_NAMEs
20112         in their operands.
20113
20114 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
20115
20116         PR target/35088
20117         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
20118
20119 2008-02-15  Jan Hubicka  <jh@suse.cz>
20120
20121         PR middle-end/35149
20122         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
20123
20124 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
20125
20126         PR middle-end/34621
20127         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
20128         when calculating alignment_pad.
20129
20130 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
20131
20132         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
20133         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
20134         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
20135         and STACK_BOUNDARY define.
20136
20137 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
20138
20139         PR preprocessor/35061
20140         * c-pragma.c (handle_pragma_pop_macro): Check that
20141         pushed_macro_table has been allocated.
20142
20143 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
20144
20145         PR middle-end/35136
20146         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
20147         (force_gimple_operand): Likewise.
20148         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
20149         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
20150         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
20151         (find_interesting_uses_address): Check addressability and alignment
20152         of the base expression only after substituting bases of IVs into it.
20153
20154 2008-02-14  Michael Matz  <matz@suse.de>
20155
20156         PR target/34930
20157         * function.c (instantiate_virtual_regs_in_insn): Reload address
20158         before falling back to reloading the whole operand.
20159
20160 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
20161
20162         * config/s390/s390.c (s390_mainpool_start): Emit the pool
20163         before the first section switch note.
20164
20165 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
20166
20167         * doc/bugreport.texi: Update copyright years.
20168         * doc/c-tree.texi: Likewise.
20169         * doc/cfg.texi: Likewise.
20170         * doc/cpp.texi: Likewise.
20171         * doc/cppinternals.texi: Likewise.
20172         * doc/fragments.texi: Likewise.
20173         * doc/frontends.texi: Likewise.
20174         * doc/gcc.texi: Likewise.
20175         * doc/gty.texi: Likewise.
20176         * doc/hostconfig.texi: Likewise.
20177         * doc/implement-c.texi: Likewise.
20178         * doc/libgcc.texi: Likewise.
20179         * doc/loop.texi: Likewise.
20180         * doc/makefile.texi: Likewise.
20181         * doc/options.texi: Likewise.
20182         * doc/passes.texi: Likewise.
20183         * doc/rtl.texi: Likewise.
20184         * doc/sourcebuild.texi: Likewise.
20185         * doc/standards.texi: Likewise.
20186         * doc/tree-ssa.texi: Likewise.
20187         * doc/trouble.texi: Likewise.
20188
20189         * doc/extend.texi: Use @: or add comma where appropriate.
20190         * doc/invoke.texi: Likewise.
20191         * doc/tm.texi: Likewise.
20192
20193 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
20194
20195         PR target/34393
20196         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
20197         to a reg.
20198
20199 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
20200
20201         * doc/md.texi (clz, ctz): Add reference.
20202         * doc/rtl.texi (clz, ctz): Likewise.
20203
20204 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20205
20206         PR other/35148
20207         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
20208         srcdir.
20209
20210 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
20211
20212         * config/s390/s390.c (struct constant_pool): New field
20213         emit_pool_after added.
20214         (s390_mainpool_start): Set the emit_pool_after flag according
20215         to the section switch notes.
20216         (s390_mainpool_finish): Consider emit_pool_after when emitting
20217         the literal pool at the end of the function.
20218         (s390_chunkify_start): Force literal pool splits at section
20219         switch notes.
20220
20221 2008-02-13  Michael Matz  <matz@suse.de>
20222
20223         PR debug/35065
20224         * var-tracking.c (clobber_variable_part): Correctly traverse the
20225         list.
20226
20227 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20228
20229         PR 29673
20230         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
20231         Add -fdump-ipa-inline.
20232         * tree-dump.c (dump_files): Remove tree-inlined dump.
20233         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
20234
20235 2008-02-12  Richard Guenther  <rguenther@suse.de>
20236
20237         PR tree-optimization/35171
20238         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
20239         default defs.
20240
20241 2008-02-12  Richard Guenther  <rguenther@suse.de>
20242
20243         PR middle-end/35163
20244         * fold-const.c (fold_widened_comparison): Use get_unwidened in
20245         value-preserving mode.  Disallow final truncation.
20246
20247 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
20248
20249         PR middle-end/35136
20250         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
20251         code from here to...
20252         (force_gimple_operand): ...here.
20253
20254 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
20255
20256         PR c++/35144
20257         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
20258         non-compatible pointers.
20259         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
20260         different FIELD_DECLs, try harder by comparing field offsets, sizes
20261         and types.
20262
20263         PR inline-asm/35160
20264         * function.c (match_asm_constraints_1): Don't replace the same input
20265         multiple times.
20266
20267 2008-02-12  Anatoly Sokolov <aesok@post.ru>
20268
20269         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
20270         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
20271         (expand_epilogue): Restore RAMPZ register.
20272         * config/avr/avr.md (RAMPZ_ADDR): New constant.
20273
20274 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
20275
20276         * config/i386/cygwin.asm: (__alloca): Correct calling
20277         convention and alignment.
20278         (__chkstk): Force 8 byte stack alignment.
20279
20280 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
20281             Richard Guenther  <rguenther@suse.de>
20282
20283         PR tree-optimization/33992
20284         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
20285         the zero we compare against.
20286
20287 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
20288
20289         PR libfortran/35063
20290         * gthr-win32.h (__gthread_mutex_destroy_function): New function
20291         to CloseHandle after unlocking to prevent accumulation of handle
20292         count.
20293
20294 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20295
20296         PR middle_end/34150
20297         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
20298         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
20299         and update LABEL_NUSES during and after reload.
20300
20301 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
20302
20303         PR middle-end/34627
20304         * combine.c (simplify_if_then_else): Make sure the comparison is
20305         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
20306
20307 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
20308
20309         PR bootstrap/35051
20310         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
20311         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
20312         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
20313         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
20314         * tree.h (get_type_static_bounds): Likewise.
20315
20316 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20317
20318         * doc/invoke.texi (Option Summary, C++ Dialect Options)
20319         (Objective-C and Objective-C++ Dialect Options, Warning Options):
20320         Make -Wfoo language annotations match what the compiler outputs.
20321
20322 2008-02-08  Sa Liu  <saliu@de.ibm.com>
20323
20324         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
20325         intrinsics spu_convts, spu_convtu, spu_convtf.
20326
20327 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
20328
20329         * doc/extend.texi (Function Attributes) <noinline>: Mention
20330         asm ("") as method to keep calls.
20331
20332 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20333
20334         PR other/32754
20335         * doc/options.texi (Options): Replace references to opts.sh with
20336         optc-gen.awk.
20337         * opts-common.c: Likewise.
20338         * optc-gen.awk: Likewise.
20339
20340 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
20341
20342         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
20343
20344 2008-02-07  Richard Henderson  <rth@redhat.com>
20345
20346         PR rtl-opt/33410
20347         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
20348         EXPR_LIST for the REG_EQUAL instead of a comparison with a
20349         funny mode.
20350
20351 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
20352
20353         PR tree-optimization/35085
20354         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
20355         for operand entry oe2 in addition to operand entry oe3 in order to
20356         expose more opportunities for vectorizer sum reduction.
20357
20358 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
20359
20360         PR other/35107
20361         * Makefile.in (LIBS): Remove $(GMPLIBS).
20362         (cc1-dummy, cc1): Add $(GMPLIBS).
20363
20364 2008-02-06  Jan Hubicka  <jh@suse.cz>
20365
20366         PR target/23322
20367         * i386.md (moddf_integer): Do not produce partial memory stalls for
20368         targets where it hurts.
20369
20370 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
20371
20372         PR target/35083
20373         * optabs.c (expand_float): Do not check for decimal modes when
20374         expanding unsigned integer through signed conversion.
20375
20376 2008-02-06  Nick Clifton  <nickc@redhat.com>
20377
20378         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
20379         inside the clobber with a match_operand and duplicated operand
20380         number in the constraint.
20381         (ineqbranchsi): Delete redundant comment.
20382
20383 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
20384
20385         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
20386         builtin_define ("__USE_INIT_FINI__").
20387         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
20388         -msx multilibs.
20389         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
20390
20391 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20392
20393         PR documentation/30330
20394         * doc/invoke.texi (C++ Dialect Options)
20395         (Objective-C and Objective-C++ Dialect Options, Warning Options):
20396         For each warning option -Wfoo that allows -Wno-foo, ensure both
20397         -Wfoo and -Wno-foo are listed in the option index.  Fix index
20398         entry of -Wswitch-default, index -Wnormalized= including the
20399         `=', and -Wlarger-than-@var{len} including @var{len}.
20400
20401 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
20402
20403         * config/i386/i386.md (floatunssisf2): Use
20404         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
20405         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
20406         Macroize expander using MODEF mode iterator.
20407
20408 2008-02-05  Diego Novillo  <dnovillo@google.com>
20409
20410         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
20411
20412         PR 33738
20413         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
20414
20415 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
20416
20417         PR other/35070
20418         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
20419
20420 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
20421
20422         PR target/35084
20423         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
20424         to indicate if a message should be generated.
20425         (init_cumulative_args): Updated.
20426         (function_value_32): Likewise.
20427
20428 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
20429
20430         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
20431
20432 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
20433
20434         PR target/35083
20435         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
20436         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
20437
20438 2008-02-04  Diego Novillo  <dnovillo@google.com>
20439
20440         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
20441
20442         PR 33738
20443         * tree-vrp.c (vrp_evaluate_conditional): With
20444         -Wtype-limits, emit a warning when comparing against a
20445         constant outside the natural range of OP0's type.
20446
20447 2008-02-04  Richard Guenther  <rguenther@suse.de>
20448
20449         PR middle-end/33631
20450         * expr.c (count_type_elements): Give for unions instead of
20451         guessing.
20452
20453 2008-02-04  Richard Guenther  <rguenther@suse.de>
20454
20455         PR middle-end/35043
20456         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
20457         to TYPE_DOMAINs base type instead of using bitsizetype here.
20458
20459 2008-02-03  Jason Merrill  <jason@redhat.com>
20460
20461         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
20462
20463 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20464
20465         PR other/29972
20466         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
20467         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
20468         (RS/6000 and PowerPC Options): Fix typos and markup.
20469         * doc/passes.texi (Tree-SSA passes): Likewise.
20470
20471 2008-02-02  Michael Matz  <matz@suse.de>
20472
20473         PR target/35045
20474         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
20475         from record_last_reg_set_info.
20476         (record_last_reg_set_info): Take an RTX argument, iterate over all
20477         constituent hardregs.
20478         (record_last_set_info, record_opr_changes): Change calls to
20479         new signature or to record_last_reg_set_info_regno.
20480
20481 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
20482
20483         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
20484
20485 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
20486
20487         PR rtl-optimization/34773
20488         * reg-notes.def (EQUAL): Mention significance of combination of
20489         REG_EQUAL and REG_RETVAL.
20490         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
20491         insn that has a REG_RETVAL.
20492
20493 2008-02-01  Roger Sayle  <roger@eyesopen.com>
20494
20495         PR bootstrap/33781
20496         * configure.ac (--enable-fixed-point): Disable unless explicitly
20497         requested on IRIX.
20498         * configure: Regenerate.
20499
20500 2008-02-01  Richard Guenther  <rguenther@suse.de>
20501
20502         PR other/35042
20503         * invoke.texi (-finline-limit): Remove no longer true parts
20504         of the documentation.  Note that there is no default value.
20505
20506 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
20507             Mark Mitchell  <mark@codesourcery.com>
20508             Ben Elliston  <bje@au.ibm.com>
20509
20510         PR c/29326
20511         * doc/extend.texi (Other Builtins): Document.
20512
20513 2008-01-31  Tom Browder <tom.browder@gmail.com>
20514
20515         * doc/c-tree.texi (Types): Fix grammar.
20516         (Expression trees): Ditto.
20517         * doc/passes.texi (Tree-SSA passes): Ditto.
20518
20519         * doc/configterms.texi (Configure Terms): Fix typo.
20520         * doc/cpp.texi (Common Predefined Macros): Ditto.
20521         * doc/md.texi (Machine Constraints): Ditto.
20522
20523         * doc/makefile.texi (Makefile): Add comma.
20524
20525 2008-01-31  Tom Browder  <tom.browder@gmail.com>
20526             Gerald Pfeifer  <gerald@pfeifer.com>
20527
20528         * doc/sourcebuild.texi (Front End): Remove references to CVS
20529         and CVSROOT/modules.
20530         (Texinfo Manuals): Replace reference to CVS by one to SVN.
20531         (Back End): Remove reference to CVS.
20532
20533 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
20534
20535         PR target/34900
20536         * config/mips/mips.c (gen_load_const_gp): New function, taking a
20537         comment from...
20538         (mips16_gp_pseudo_reg): ...here.
20539         * config/mips/mips.md (load_const_gp): Replace with...
20540         (load_const_gp_<mode>): ...this :P-based insn.
20541
20542 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20543
20544         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
20545         options. Minor fixes.
20546         (-std): Move reference to standards closer to where language
20547         standards are first mentioned.
20548
20549 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
20550
20551         PR rtl-optimization/34995
20552         * reload.c (alternative_allows_const_pool_ref): Take an rtx
20553         parameter and return a bool.  If the rtx parameter is nonnull,
20554         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
20555         (find_reloads): Update call accordingly.  Pass the new operand
20556         if it needed no address reloads, otherwise pass null.
20557
20558 2008-01-30  Richard Henderson  <rth@redhat.com>
20559
20560         PR c/34993
20561         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
20562         for unbounded arrays.
20563
20564 2008-01-30  Silvius Rus  <rus@google.com>
20565
20566         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
20567
20568 2008-01-30  Jan Hubicka  <jh@suse.cz>
20569
20570         PR target/34982
20571         * i386.c (init_cumulative_args): Use real function declaration when
20572         calling locally.
20573
20574 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
20575
20576         PR rtl-optimization/34998
20577         * global.c (build_insn_chain): Treat non-subreg_lowpart
20578         SUBREGs of pseudos as clobbering all the words covered by the
20579         SUBREG, not just all the bytes.
20580         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
20581         original df_ref rather than an extract parameter.
20582         (global_conflicts): Update call accordingly.
20583
20584 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
20585
20586         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
20587         the overflow check to make it easier to read.
20588         (__fixtfdi): Change the type of the ll member in union
20589         long_double to UDItype_x.
20590
20591 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
20592
20593         PR middle-end/34969
20594         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
20595         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
20596         * tree-inline.c (fold_marked_statements): Call
20597         cgraph_update_edges_for_call_stmt if folding a call statement.
20598         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
20599         debug_generic_stmt calls, reset it back afterwards.
20600
20601         PR c/35017
20602         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
20603         static decls.
20604         * c-typeck.c (build_external_ref): Don't pedwarn about
20605         static vars in current function's scope.
20606
20607 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
20608
20609         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
20610
20611 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
20612
20613         PR c/35002
20614         * ipa-struct-reorg.c: Fix spelling.
20615         * params.def: Ditto.
20616
20617 2008-01-29  Richard Guenther  <rguenther@suse.de>
20618
20619         PR middle-end/35006
20620         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
20621         field.
20622         * tree-inline.c (remap_type): Increment remapping_type_depth
20623         around remapping types.
20624         (copy_body_r): Only add referenced variables if they are referenced
20625         from code, not types.
20626
20627 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
20628
20629         PR c++/34055
20630         PR c++/34103
20631         PR c++/34219
20632         PR c++/34606
20633         PR c++/34753
20634         PR c++/34754
20635         PR c++/34755
20636         PR c++/34919
20637         PR c++/34961
20638         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
20639         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
20640
20641 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
20642
20643         PR target/34412
20644         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
20645         pointer for tiny stack.
20646
20647 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
20648
20649         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
20650
20651 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
20652
20653         * config/vx-common.h: Fix typo in comment.
20654
20655 2008-01-28  Ian Lance Taylor  <iant@google.com>
20656
20657         PR c++/34862
20658         PR c++/33407
20659         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
20660         coalesce pointers if they have different DECL_NO_TBAA_P values.
20661         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
20662         between variables with different DECL_NO_TBAA_P values.
20663
20664 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
20665
20666         PR 31535
20667         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
20668         are not legitimate small data references on SPE targets.
20669
20670 2008-01-28  David Daney  <ddaney@avtrex.com>
20671
20672         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
20673
20674 2008-01-28  David Daney  <ddaney@avtrex.com>
20675
20676         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
20677
20678 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
20679
20680         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
20681         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
20682         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
20683         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
20684         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
20685         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
20686         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
20687         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
20688
20689 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
20690
20691         * basic-block.h (condjump_equiv_p): Fix comment.
20692
20693 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
20694
20695         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
20696         print_generic_stmt_indented): Fix comment.
20697
20698 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
20699
20700         * configure.ac (__stack_chk_fail): Add detecion for availability
20701         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
20702         * configure: Regenerate.
20703
20704 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
20705
20706         PR middle-end/34688
20707         * final.c (output_addr_const): Handle TRUNCATE.
20708
20709 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
20710
20711         PR target/34711
20712         * tree-ssa-loop-ivopts.c (comp_cost): New type.
20713         (zero_cost, infinite_cost): New constants.
20714         (struct cost_pair): Change type of cost to comp_cost.
20715         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
20716         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
20717         New functions.
20718         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
20719         split_address_cost, ptr_difference_cost, difference_cost,
20720         get_computation_cost_at, get_computation_cost,
20721         determine_use_iv_cost_generic, determine_use_iv_cost_address,
20722         determine_use_iv_cost_condition, determine_use_iv_costs,
20723         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
20724         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
20725         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
20726         Change type of cost to comp_cost.
20727         (determine_iv_cost): Increase cost of non-original ivs, instead
20728         of decreasing the cost of original ones.
20729         (get_address_cost): Indicate the complexity of the addressing mode
20730         in comp_cost.
20731         (try_add_cand_for): Prefer using ivs not specific to some object.
20732         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
20733
20734 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
20735             Janis Johnson  <janis187@us.ibm.com>
20736
20737         PR target/34814
20738         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
20739         (TARGET_INSTANTIATE_DECLS): Likewise.
20740         * target.h (expand_to_rtl_hook): New target hook.
20741         (instantiate_decls): Likewise.
20742         * function.c (instantiate_decl): Make non-static.  Rename to...
20743         (instantiate_decl_rtl): ... this.
20744         (instantiate_expr): Use instantiate_decl_rtl.
20745         (instantiate_decls_1): Likewise.
20746         (instantiate_decls): Likewise.
20747         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
20748         * function.h (instantiate_decl_rtl): Add prototype.
20749         * cfgexpand.c (target.h): New include.
20750         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
20751         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
20752         (TARGET_INSTANTIATE_DECLS): Likewise.
20753         (TARGET_INITIALIZER): New target hooks added.
20754         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
20755         New prototype.
20756         * config/rs6000/rs6000.c (tree-flow.h): New include.
20757         (machine_function): Add sdmode_stack_slot field.
20758         (rs6000_alloc_sdmode_stack_slot): New function.
20759         (rs6000_instantiate_decls): Likewise.
20760         (rs6000_secondary_memory_needed_rtx): Likewise.
20761         (rs6000_check_sdmode): Likewise.
20762         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
20763         (TARGET_INSTANTIATE_DECLS): Likewise.
20764         (rs6000_hard_regno_mode_ok): Allow SDmode.
20765         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
20766         (rs6000_emit_move): Handle SDmode.
20767         (function_arg_advance): Likewise.
20768         (function_arg): Likewise.
20769         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
20770         SDmode var args for 32-bit compiles.
20771         (rs6000_secondary_reload_class): Handle SDmode.
20772         (rs6000_output_function_epilogue): Likewise.
20773         (rs6000_function_value): Simplify if statement.
20774         (rs6000_libcall_value): Likewise.
20775         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
20776         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
20777         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
20778         (movsd_hardfloat): New define_insn.
20779         (movsd_softfloat): Likewise.
20780         (movsd_store): Likewise.
20781         (movsd_load): Likewise.
20782         (extendsddd2): Likewise.
20783         (extendsdtd2): Likewise.
20784         (truncddsd2): Likewise.
20785         (movdd_hardfloat64): Fixup comment.
20786         (UNSPEC_MOVSD_LOAD): New constant.
20787         (UNSPEC_MOVSD_STORE): Likewise.
20788
20789 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
20790
20791         PR c++/34965
20792         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
20793         TRUTH_XOR_EXPR.
20794         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
20795         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
20796         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
20797         and TRUTH_XOR_EXPR.
20798
20799 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
20800
20801         PR target/34794
20802         * config.gcc: Separate AIX 5.3 from AIX 6.1.
20803         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
20804         __LONGDOUBLE128 too.
20805         * config/rs6000/aix61.h: New file.
20806
20807 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
20808
20809         PR rtl-optimization/34959
20810         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
20811         popcount and parity rtxes the same mode as their operand.
20812         Truncate or extend the result to the return value's mode
20813         if necessary.
20814
20815 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
20816
20817         PR target/34981
20818         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
20819         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
20820         to GOT_VERSION_REGNUM.
20821         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
20822         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
20823         * config/mips/mips.c (mips_emit_call_insn): New function.
20824         (mips_call_tls_get_addr): Call mips_expand_call directly.
20825         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
20826         emit_call_insn.
20827         (mips16_build_call_stub): Likewise.  Return the call insn or null.
20828         (mips_expand_call): Update the call to mips16_build_call_stub
20829         accordingly and a remove redundant condition.  Assert that MIPS16
20830         stubs do not use lazy binding.  Use mips_emit_call_insn and return
20831         the call insn.
20832         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
20833         TARGET_USE_GOT.
20834         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
20835         (mips_avoid_hazard): Remove hazard_set handling.
20836         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
20837         (UNSPEC_RESTORE_GP): ...this.
20838         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
20839         (FAKE_CALL_REGNO): Rename to...
20840         (GOT_VERSION_REGNUM): ...this.
20841         (type): Add "ghost" value.  Add an associated insn reservation.
20842         (hazard_set): Remove.
20843         (exception_receiver): Rename to...
20844         (restore_gp): ...this and update the unspec identifier accordingly.
20845         (exception_receiver, nonlocal_got_receiver): New expanders.
20846         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
20847         FAKE_CALL_REGNO.  Remove hazard_set attribute.
20848         (set_got_version, update_got_version): New patterns.
20849
20850 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
20851
20852         PR target/34970
20853         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
20854
20855 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
20856
20857         PR other/31955
20858         * doc/install.texi2html: Generate gcc-vers.texi.
20859
20860 2008-01-25  DJ Delorie  <dj@redhat.com>
20861
20862         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
20863
20864 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
20865
20866         * config/c4x: Remove directory.
20867         * config.gcc (crx-*, mt-*): Mark obsolete.
20868         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
20869         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
20870         sh-*-rtemscoff*): Remove cases.
20871         * defaults.h (C4X_FLOAT_FORMAT): Remove.
20872         * real.c (encode_c4x_single, decode_c4x_single,
20873         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
20874         c4x_extended_format): Remove.
20875         * real.h (c4x_single_format, c4x_extended_format): Remove.
20876         * doc/extend.texi (interrupt, naked): Remove mention of attributes
20877         on C4x.
20878         (Pragmas): Remove comment about c4x pragmas.
20879         * doc/install.texi (c4x): Remove target-specific instructions.
20880         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
20881         * doc/md.texi (Machine Constraints): Remove C4x documentation.
20882         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
20883         refer to C4x source files as examples.
20884         (C4X_FLOAT_FORMAT): Remove documentation.
20885
20886 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
20887
20888         * config/bfin/bfin.c (override_options): Reorder tests so that
20889         flag_pic gets enabled for -msep-data.
20890
20891 2008-01-25  Richard Guenther  <rguenther@suse.de>
20892
20893         PR middle-end/32244
20894         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
20895         to its bitfield precision if required.
20896
20897 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
20898
20899         PR middle-end/33880
20900         * tree-nested.c (walk_omp_for): New function.
20901         (convert_nonlocal_reference, convert_local_reference): Call
20902         walk_omp_for on OMP_FOR.
20903         (convert_call_expr): Call walk_body on OMP_FOR's
20904         OMP_FOR_PRE_INIT_BODY.
20905
20906 2008-01-25  Richard Guenther  <rguenther@suse.de>
20907
20908         PR tree-optimization/34966
20909         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
20910         default defs and PHI_NODEs we have to insert after the
20911         defining statement.
20912
20913 2008-01-24  Nick Clifton  <nickc@redhat.com>
20914
20915         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
20916         Provide a default definition.
20917         (LIBGCC2_UNITS_PER_WORD): Likewise.
20918
20919         * config/stormy16/stormy16.c: Include df.h for the prototype
20920         for df_regs_ever_live_p.
20921         (xstormy16_expand_builtin_va_start): Convert the stack offset
20922         into a component_ref and then use POINTER_PLUS_EXPR to add it
20923         to the incoming_virtual_args_rtx.
20924         (xstormy16_gimplify_va_arg_expr): Rename to
20925         xstormy16_gimplify_va_arg_expr.
20926         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
20927         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
20928         xstormy16_gimplify_va_arg_expr.
20929         Fix up some formatting issues.
20930
20931         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
20932         Move to predicates.md.
20933         (xs_hi_general_operand): Likewise.
20934         (xs_hi_nonmemory_operand): Likewise.
20935         * config/stormy16/predicates.md:
20936         (xstormy16_carry_plus_operand): New predicate.
20937         (xs_hi_general_operand): New predicate.
20938         (xs_hi_nonmemory_operand): New predicate.
20939         * config/stormy16/stormy16-protos.h:
20940         (xstormy16_carry_plus_operand): Delete prototype.
20941         (xs_hi_general_operand): Likewise.
20942         (xs_hi_nonmemory_operand): Likewise.
20943
20944         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
20945         modifiers as they are no longer needed and they can trigger
20946         reload spill failures.
20947
20948         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
20949         with a match_operand in order to help reload.
20950
20951         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
20952         constraint with 'e' for the 8th alternative as this version of
20953         the mov.w instruction only accepts the lower 8 registers.
20954
20955 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
20956
20957         PR target/34856
20958         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
20959         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
20960         vector elements.
20961
20962 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
20963
20964         PR middle-end/33333
20965         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
20966
20967 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
20968
20969         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
20970         New functions.
20971         (remove_structure): Update allocations list before removing structure.
20972
20973 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
20974
20975         * ipa-struct-reorg.c (is_safe_cond_expr,
20976         create_new_stmts_for_cond_expr): Use integer_zerop function,
20977         that recognize not only zero-pointer, but zero-integer too.
20978
20979 2008-01-25  Ben Elliston  <bje@au.ibm.com>
20980
20981         PR other/22232
20982         * fixproto: Escape "." in sed expression that strips leading "./".
20983
20984 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
20985
20986         PR driver/34904
20987         * gcc.c (SWITCH_OK): Removed.
20988         (SWITCH_LIVE): Changed to bit.
20989         (SWITCH_FALSE): Likewise.
20990         (SWITCH_IGNORE): Likewise.
20991         (switchstr): Change live_cond to unsigned int.
20992         (process_command): Replace SWITCH_OK with 0.
20993         (do_self_spec): Likewise.
20994         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
20995         (give_switch): Likewise.
20996         (used_arg): Likewise.
20997         (do_spec_1): Set the SWITCH_IGNORE bit.
20998         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
20999         bits.  Set the SWITCH_LIVE bit.
21000
21001 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
21002
21003         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
21004
21005 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
21006
21007         PR tree-optimization/34472
21008         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
21009         parameter to a "bool *" and set *DATA to false if there is
21010         an unsafe access.  Do not delete the structure here.
21011         (check_cond_exprs): Delete it here instead.
21012         (check_cond_exprs, exclude_cold_structs): Do not increase
21013         I when removing a structure.
21014
21015 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
21016
21017         PR target/34856
21018         * config/i386/i386.c (ix86_expand_vector_init): Consider only
21019         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
21020
21021 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
21022
21023         PR middle-end/34934
21024         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
21025         a fixed vector for stack.
21026
21027 2008-01-24  Ben Elliston  <bje@au.ibm.com>
21028
21029         PR c++/25701
21030         * doc/gcc.texi (Software development): Add a direntry for g++.
21031
21032 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
21033
21034         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
21035         stale and straggling -fforce-addr comments above.
21036
21037         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
21038         define.
21039         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
21040         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
21041
21042 2008-01-23  Michael Matz  <matz@suse.de>
21043
21044         PR debug/34895
21045         * dwarf2out.c (force_type_die): Use modified_type_die instead of
21046         gen_type_die.
21047
21048 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
21049
21050         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
21051         malloc result type.
21052
21053 2008-01-23 Anatoly Sokolov <aesok@post.ru>
21054
21055         * config/avr/avr.c (avr_current_arch): New variable.
21056         (avr_arch_types): Add 'avr31' and 'avr51' entries.
21057         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
21058         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
21059         (avr_override_options): Init 'avr_current_arch'.
21060         (base_arch_s): Move from here...
21061         * config/avr/avr.h (base_arch_s): ... here. Add new members
21062         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
21063         'mega' to 'have_jmp_call'.
21064         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
21065         "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
21066         macros.
21067         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
21068         architectures.
21069         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
21070         MULTILIB_MATCHES): Ditto.
21071
21072 2008-01-23  Richard Guenther  <rguenther@suse.de>
21073
21074         PR middle-end/31529
21075         * cgraphunit.c (cgraph_reset_node): Always mark the node
21076         not reachable if it is not queued already.
21077
21078 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
21079
21080         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
21081         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
21082         (cputype_selected): New static variable.
21083         (bfin_handle_option): Set it if -mcpu is used.
21084         (override_option): Select default set of workarounds if no cpu type
21085         selected on the command line.
21086         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
21087
21088         From  Michael Frysinger  <michael.frysinger@analog.com>
21089         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
21090         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
21091
21092         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
21093         for bf547, bf523, bf524, and bf526.
21094         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
21095         bf526.
21096         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
21097         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
21098         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
21099         __ADSPBF547__ and __ADSPBF54x__ for bf547.
21100         * doc/invoke.texi (Blackfin Options): Document that
21101         -mcpu now accept bf547, bf523, bf524, and bf526.
21102
21103 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
21104
21105         PR rtl-optimization/34628
21106         * combine.c (try_combine): Stop and undo after the first combination
21107         if an autoincrement side-effect on the first insn has effectively
21108         been lost.
21109
21110 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
21111
21112         PR target/34529
21113         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
21114         Offset addresses are not valid for Altivec or paired float modes.
21115
21116 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
21117
21118         PR c++/34607
21119         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
21120         if DECL_INITIAL (decl) is error_mark_node.
21121
21122         PR c++/34914
21123         * c-common.c (handle_vector_size_attribute): Only allow
21124         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
21125         the same way as pointer, array etc. types.
21126         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
21127
21128         PR c++/34917
21129         * tree.c (build_type_attribute_qual_variant): Call
21130         build_qualified_type if attributes are equal, but quals are not.
21131
21132 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21133
21134         PR 32102
21135         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
21136         * flags.h (warn_strict_aliasing): Remove.
21137         (warn_strict_overflow): Remove.
21138         * opts.c (warn_strict_aliasing): Remove.
21139         (warn_strict_overflow): Remove.
21140         * c-opts.c (c_common_handle_option): -Wall only sets
21141         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
21142         (c_common_post_options): Give default values to -Wstrict-aliasing
21143         and -Wstrict-overflow if they are uninitialized.
21144         * common.opt (Wstrict-aliasing): Specify Var and Init.
21145         (Wstrict-overflow): Likewise.
21146
21147 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
21148
21149         PR rtl-optimization/26854
21150         PR rtl-optimization/34400
21151         PR rtl-optimization/34884
21152         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
21153         DF_RD->gen.
21154         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
21155         (df_rd_bb_info.expanded_lr_out): Deleted
21156         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
21157         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
21158         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
21159         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
21160         Removed code to allocate, initialize or free expanded_lr_out.
21161         (df_rd_bb_local_compute_process_def): Restructured to make more
21162         understandable.
21163         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
21164         sets if the sets are being trimmed.
21165
21166 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
21167
21168         PR bootstrap/32287
21169         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
21170         (as_vers): Likewise.
21171         * configure: Regenerated.
21172
21173 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21174
21175         PR middle-end/33092
21176         * tree-pass.h (pass_build_alias): New pass.
21177         * tree-ssa-alias.c (gate_build_alias): New.
21178         (pass_build_alias): New.
21179         * passes.c (init_optimization_passes): Add pass_build_alias after
21180         pass_create_structure_vars.
21181
21182 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
21183
21184         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
21185         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
21186         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
21187         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
21188         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
21189         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
21190         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
21191         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
21192         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
21193         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
21194         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
21195         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
21196         * config/s390/s390.md (FP_ALL): New mode iterator.
21197         (_d): New mode attribute.
21198         ("*signbit<mode>2>"): Changed mode of first operand.
21199         ("isinf<mode>2"): Changed mode of first operand.
21200         ("*TDC_insn"): Adaptation for DFP modes.
21201
21202 2008-01-22  Ben Elliston  <bje@au.ibm.com>
21203
21204         * tree.c (check_qualified_type): Improve function description.
21205
21206 2008-01-21  Jason Merrill  <jason@redhat.com>
21207
21208         PR c++/34196
21209         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
21210         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
21211         if it is set.
21212
21213 2008-01-21  DJ Delorie  <dj@redhat.com>
21214
21215         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
21216         return zero.
21217
21218 2008-01-21  Richard Guenther  <rguenther@suse.de>
21219
21220         PR middle-end/34856
21221         * tree-cfg.c (verify_expr): Allow all invariant expressions
21222         instead of just constant class ones as reference argument.
21223         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
21224         like any other constant.
21225         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
21226
21227 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
21228
21229         * regmove.c (fixup_match_1): Update call crossed frequencies.
21230
21231 2008-01-21  Richard Guenther  <rguenther@suse.de>
21232
21233         PR c/34885
21234         * tree-inline.c (setup_one_parameter): Deal with mismatched
21235         types using a VIEW_CONVERT_EXPR.
21236
21237 2008-01-21  Alon Dayan  <alond@il.ibm.com>
21238             Olga Golovanevsky  <olga@il.ibm.com>
21239
21240         PR tree-optimization/34701
21241         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
21242         when the structure size is not a power of 2.
21243
21244 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
21245
21246         * doc/install.texi: Add doc for --enable-checking=df.
21247
21248 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
21249
21250         PR rtl-optimization/34808
21251         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
21252
21253 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
21254
21255         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
21256         input.
21257
21258 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
21259
21260         PR rtl-optimization/26854
21261         PR rtl-optimization/34400
21262         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
21263         DF_RD->gen.
21264         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
21265         (df_rd_bb_info.expanded_lr_out): New.
21266         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
21267         * loop_iv.c (iv_analysis_loop_init): Ditto.
21268         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
21269         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
21270         Added code to allocate, initialize or free expanded_lr_out.
21271         (df_rd_bb_local_compute_process_def): Restructured to make
21272         more understandable.
21273         (df_rd_confluence_n): Add code to do nothing with fake edges and
21274         code to no apply invalidate_by_call sets if the sets are being trimmed.
21275         (df_lr_local_finalize): Renamed to df_lr_finalize.
21276         (df_live_local_finalize): Renamed to df_live_finalize.
21277
21278 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
21279
21280         PR target/34831
21281         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
21282         deciding whether to use reciprocal instructions.
21283
21284 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
21285
21286         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
21287         dwarf2out_note_section_used if cold_text_section is NULL.
21288
21289 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
21290
21291         PR gcov-profile/34610
21292         * tree-cfg.c (make_edges): Mark both outgoing edges from
21293         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
21294         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
21295         from OMP_FOR and OMP_CONTINUE outgoing edges.
21296
21297         * tree-profile.c (tree_profiling): Return early if
21298         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
21299         at the end.
21300         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
21301         from cfun to child_cfun.
21302         * function.h (struct function): Add after_tree_profile bit.
21303
21304 2008-01-19 Anatoly Sokolov <aesok@post.ru>
21305
21306         * config/avr/avr.S (_exit): Disable interrupt.
21307
21308 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
21309             Steven Bosscher  <stevenb.gcc@gmail.com>
21310
21311         PR rtl-optimization/26854
21312         PR rtl-optimization/34400
21313         * df-problems.c (df_live_scratch): New scratch bitmap.
21314         (df_live_alloc): Allocate df_live_scratch when doing df_live.
21315         (df_live_reset): Clear the proper bitmaps.
21316         (df_live_bb_local_compute): Only process the artificial defs once
21317         since the order is not important.
21318         (df_live_init): Init the df_live sets only with the variables
21319         found live by df_lr.
21320         (df_live_transfer_function): Use the df_lr sets to prune the
21321         df_live sets as they are being computed.
21322         (df_live_free): Free df_live_scratch.
21323
21324 2008-01-18  Ian Lance Taylor  <iant@google.com>
21325
21326         * common.opt: Add fmerge-debug-strings.
21327         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
21328         flag_merge_debug_strings rather than flag_merge_constants.
21329         * doc/invoke.texi (Option Summary): Mention
21330         -fmerge-debug-strings.
21331         (Debugging Options): Document -fmerge-debug-strings.
21332
21333 2008-01-18  Ian Lance Taylor  <iant@google.com>
21334
21335         PR c++/33407
21336         * tree.h (DECL_IS_OPERATOR_NEW): Define.
21337         (struct tree_function_decl): Add new field operator_new_flag.
21338         * tree-inline.c (expand_call_inline): When inlining a call to
21339         operator new, force the return value to go into a variable, and
21340         set DECL_NO_TBAA_P on that variable.
21341         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
21342
21343 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
21344
21345         PR debug/34484
21346         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
21347         DWARF2_DEBUGGING_INFO.
21348         (dwarf2out_note_section_used): Ditto.  Add prototype.
21349         (have_multiple_function_sections, text_section_used,
21350         cold_text_section_used, *cold_text_sections): Move declarations
21351         before their uses.
21352
21353 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
21354
21355         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
21356         field and add signal_ra.
21357         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
21358         assignments to frame state pc.  Move end of stack check after
21359         MD_FALLBACK_FRAME_STATE_FOR.
21360         (uw_update_context_1): Use frame state signal_regs if set, instead
21361         of checking signal_frame flag.
21362         (uw_update_context): Use frame state signal_ra if set.
21363         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
21364         * config/xtensa/linux-unwind.h: New file.
21365
21366 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
21367
21368         * modulo-sched.c (get_sched_window): Fix comment typo.
21369
21370 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
21371
21372         PR tree-optimization/34648
21373         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
21374
21375 2008-01-17  Anatoly Sokolov <aesok@post.ru>
21376
21377         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
21378         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
21379
21380 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
21381
21382         PR rtl-optimization/34400
21383         * df-core.c (df_worklist_dataflow_overeager,
21384         df_worklist_dataflow_doublequeue): New functions.
21385         (df_worklist_dataflow): Two different worklist solvers.
21386         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
21387         New param.
21388
21389 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
21390
21391         PR testsuite/34821
21392         * doc/invoke.texi: Document the dependence on pthread for fopenmp
21393         and ftree-parallelize-loops.
21394
21395 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
21396
21397         PR rtl-optimization/34826
21398         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
21399
21400 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
21401
21402         * global.c (find_reg): Mark the eh regs as used if necessary.
21403         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
21404         * ra.h (struct allocno): no_eh_reg field added.  Changed
21405         no_stack_reg type to bitfield.
21406
21407 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
21408
21409         * tree.c (substitute_in_expr): Add missing 'break'.
21410
21411 2008-01-17  Richard Guenther  <rguenther@suse.de>
21412
21413         PR tree-optimization/34825
21414         * tree-ssa-math-opts.c (is_division_by): Do not recognize
21415         x / x as division to handle.
21416
21417 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21418
21419         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
21420         "-pthread" is specified.
21421         * pa-hpux11.h (LIB_SPEC): Likewise.
21422
21423 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
21424             Peter Bergner  <bergner@vnet.ibm.com>
21425
21426         PR rtl-optimization/33796
21427         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
21428
21429 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21430
21431         PR libgfortran/34699
21432         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
21433         static links.
21434         * pa-hpux10.h (LINK_SPEC): Likewise.
21435         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
21436
21437 2008-01-16  Richard Guenther  <rguenther@suse.de>
21438
21439         PR middle-end/32628
21440         * fold-const.c (fold_convert_const_int_from_int): Do not
21441         set overflow if that occured only because of a sign extension
21442         change when converting from/to a sizetype with the same
21443         precision and signedness.
21444
21445 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
21446
21447         PR debug/34249
21448         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
21449         location address to the correct place.  Update copyright year.
21450
21451 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
21452
21453         * lambda-code.c (lambda_transform_legal_p): Handle the case of
21454         no dependences in the dependence_relations vector.
21455
21456 2008-01-16  Jan Hubicka  <jh@suse.cz>
21457
21458         PR rtl-optimization/31396
21459         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
21460         * cfg.c (dump_reg_info): Print it.
21461         * regs.h (struct reg_info_t): add freq_calls_crossed.
21462         (REG_FREQ_CALLS_CROSSED): New macro.
21463         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
21464         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
21465         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
21466         regmove_optimize): Update call crossed frequencies.
21467         * local-alloc.c (struct qty): Add freq_calls_crossed.
21468         (alloc_qty): Copute freq_calls_crossed.
21469         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
21470         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
21471         * ra.h (struct allocno): Add freq_calls_crossed.
21472
21473 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
21474
21475         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
21476         libgomp when compiling with ftree-parallelize-loops.
21477         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
21478
21479 2008-01-16  Richard Guenther  <rguenther@suse.de>
21480
21481         PR tree-optimization/34769
21482         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
21483         * tree.c (int_cst_value): Instead make this function more
21484         permissive in what it accepts as valid input.  Document this
21485         function always sign-extends the value.
21486
21487 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
21488             Richard Guenther  <rguenther@suse.de>
21489
21490         PR c/34668
21491         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
21492         (gimple_fold_indirect_ref_rhs): ... this.
21493         (gimple_fold_indirect_ref): New function with foldings
21494         that preserve lvalueness.
21495         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
21496         * tree-flow.h (gimple_fold_indirect_ref): Declare.
21497         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
21498         to fold an INDIRECT_REF, fall back to the old use of
21499         fold_indirect_ref_1.
21500
21501 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
21502
21503         * tree-data-ref.c (subscript_dependence_tester_1): Call
21504         free_conflict_function.
21505         (compute_self_dependence): Same.
21506
21507 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
21508
21509         PR debug/34249
21510         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
21511         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
21512         function global.
21513         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
21514         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
21515         for DWARF2_UNWIND_INFO targets.
21516
21517 2008-01-16  Richard Guenther  <rguenther@suse.de>
21518
21519         PR c/34768
21520         * c-typeck.c (common_pointer_type): Do not merge inconsistent
21521         type qualifiers for function types.
21522
21523 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
21524
21525         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
21526         loop_iterator li from previous commit.
21527
21528 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
21529
21530         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
21531
21532 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
21533
21534         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
21535         (parallelize_loops): Don't parallelize irreducible components.
21536
21537 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21538
21539         PR c++/24924
21540         * c-opts (c_common_post_options): Do not enable CPP
21541         flag_pedantic_errors by default.
21542
21543 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
21544
21545         PR rtl-optimization/31944
21546         * cse.c (remove_pseudo_from_table): New function.
21547         (merge_equiv_classes): Use above function to remove pseudo-registers.
21548         (invalidate): Likewise.
21549
21550 2008-01-13  Richard Guenther  <rguenther@suse.de>
21551
21552         PR middle-end/34601
21553         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
21554         instead of TYPE_MODE to deal with calls from expand_one_error_var.
21555
21556 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
21557
21558         * gcse.c (cprop_jump): Call validate_unshare_change instead of
21559         validate_change to unshare the source of the PC set.
21560
21561 2008-01-12  Jan Hubicka  <jh@suse.cz>
21562
21563         PR middle-end/32135
21564         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
21565         references above array bounds.  This might trigger bounds checks for
21566         pointers to arrays.
21567
21568 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
21569
21570         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
21571         new_replaceable_dependencies.
21572
21573 2008-01-12  Doug Kwan  <dougkwan@google.com>
21574
21575         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
21576         instead of OPT_Wreturn_type in warning due to ignored return type
21577         qualifiers.
21578         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
21579         options included in -Wextra.
21580         * c.opt: New option -Wignored_qualifiers.
21581         * doc/invoke.texi (Warning Options, -Wextra): Add new option
21582         -Wignore_qualifiers.
21583         (-Wignored-qualifiers): Document.
21584         (-Wreturn-type): Remove description of functionality now handled
21585         by -Wignored-qualifiers.
21586
21587 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
21588
21589         PR ada/33788
21590         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
21591         NOP_EXPR if it is between integral types with the same precision.
21592
21593 2008-01-12  Jan Hubicka  <jh@suse.cz>
21594
21595         PR other/28023
21596         * invoke.texi (max-inline-recursive-depth): Fix default value.
21597
21598 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
21599
21600         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
21601         correct type.
21602
21603 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
21604
21605         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
21606
21607 2008-01-11  James E. Wilson  <wilson@specifix.com>
21608
21609         PR target/26015
21610         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
21611
21612 2008-01-11  Anatoly Sokolov <aesok@post.ru>
21613
21614         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
21615         save/restore frame pointer register and don't use 'call-prologues'
21616         optimization in function with "OS_task" attribute.
21617
21618 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
21619
21620         PR middle-end/31309
21621         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
21622         when copying to memory.
21623
21624 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
21625
21626         PR rtl-optimization/30905
21627         * cfgcleanup.c: Include dce.h
21628         (crossjumps_occured): New global variable.
21629         (try_crossjump_bb): Exit loop after finding a fallthru edge.
21630         If something changed, set crossjumps_occured to true.
21631         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
21632         Don't add/remove fake edges to exit here...
21633         (cleanup_cfg): ...but do it here, when crossjumping.
21634         Run a fast DCE when successful crossjumps occured in the latest
21635         iteration of try_optimize_cfg.
21636
21637 2008-01-11  Richard Guenther  <rguenther@suse.de>
21638
21639         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
21640         (struct vn_unary_op_s): Likewise.
21641         (vn_reference_insert): Free old reference on hash collision.
21642
21643 2008-01-10  Raksit Ashok  <raksit@google.com>
21644
21645         PR rtl-optimization/27971
21646         * combine.c (find_split_point): Split PLUS expressions which are
21647         inside a MEM rtx, and whose first operand is complex.
21648
21649 2008-01-10  DJ Delorie  <dj@redhat.com>
21650
21651         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
21652         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
21653         (m32c_hard_regno_ok): Call the underlying function.
21654
21655 2008-01-10  Richard Guenther  <rguenther@suse.de>
21656
21657         PR middle-end/34683
21658         * tree-cfg.c (tree_merge_blocks): Do not go through the
21659         full-blown folding and stmt updating path if we just deal
21660         with virtual operands.
21661         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
21662         test for abnormal SSA_NAMEs.
21663
21664 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
21665
21666         PR middle-end/34641
21667         * reload.c (push_reload): Add assertions.  All constants from
21668         reg_equiv_constant should have been used for replacing the respective
21669         pseudo earlier.
21670         (find_reloads_address): Invoke find_reloads_address_part for
21671         constant taken from the reg_equiv_constant array.
21672
21673 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
21674
21675         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
21676         field (valnum) the first in the struct.  Replace bools with
21677         unit bit fields.
21678
21679 2008-01-10  Richard Guenther  <rguenther@suse.de>
21680
21681         PR tree-optimization/34651
21682         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
21683         types and ordering for masking and converting.
21684
21685 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
21686
21687         PR tree-optimization/34017
21688         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
21689         also for PHI_NODE expressions.
21690
21691 2008-01-09  Jan Hubicka  <jh@suse.cz>
21692
21693         PR tree-optimization/34708
21694         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
21695         based on number of case labels.
21696         (init_inline_once): Remove switch_cost.
21697         * tree-inline.h (eni_weights_d): Remove switch_cost.
21698
21699 2008-01-09  Richard Guenther  <rguenther@suse.de>
21700         Andrew Pinski  <andrew_pinski@playstation.sony.com>
21701
21702         PR middle-end/30132
21703         * gimplify.c (gimplify_cond_expr): Do not create an addressable
21704         temporary if an rvalue is ok or an lvalue is not required.
21705
21706 2008-01-09  Richard Guenther  <rguenther@suse.de>
21707
21708         PR middle-end/34458
21709         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
21710         adjust return type.
21711
21712 2008-01-09  Richard Guenther  <rguenther@suse.de>
21713
21714         PR middle-end/34679
21715         * tree.c (host_integerp): Check for sizetype only if the
21716         type is an integer type.
21717
21718 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
21719
21720         PR debug/26364
21721         * opts.c (decode_options): Disable inlining of functions called
21722         once if not in unit-at-a-time mode.
21723
21724 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
21725
21726         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
21727
21728 2008-01-08  Richard Guenther  <rguenther@suse.de>
21729
21730         PR middle-end/31863
21731         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
21732         out early if the result will be unused.
21733
21734 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
21735
21736         PR target/34709
21737         Revert:
21738
21739         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
21740         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
21741         for TARGET_RECIP.
21742
21743 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
21744
21745         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
21746         for vectorization tuned.
21747
21748 2008-01-08  Richard Guenther  <rguenther@suse.de>
21749
21750         PR tree-optimization/34683
21751         * tree-ssa-operands.c (operand_build_cmp): Export.
21752         * tree-ssa-operands.h (operand_build_cmp): Declare.
21753         * tree-vn.c (vuses_compare): Remove.
21754         (sort_vuses): Use operand_build_cmp.
21755         (sort_vuses_heap): Likewise.
21756         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
21757         to re-use old VEC if available.  Do not sort already sorted VUSEs.
21758         (vdefs_to_vec): Do not sort already sorted VDEFs.
21759
21760 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
21761
21762         PR middle-end/34694
21763         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
21764
21765 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
21766
21767         PR target/34702
21768         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
21769         limitations of reciprocal sequences on x86 targets.
21770
21771 2008-01-08  Richard Guenther  <rguenther@suse.de>
21772
21773         PR tree-optimization/34683
21774         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
21775
21776 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
21777
21778         PR target/34622
21779         * config/darwin.c (darwin_mergeable_string_section): Don't use
21780         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
21781
21782 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
21783
21784         PR target/34682
21785         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
21786         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
21787         predicates of op0 and op1 to register_operand.
21788         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
21789         expander using X87MODEF mode iterator.  Change predicates of
21790         op0 and op1 to register_operand.
21791         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
21792         corresponding patterns and macroize using MODEF macro.  Change
21793         predicates of op0 and op1 to register_operand and remove
21794         "m" constraint. Disparage "r" alternative with "!".
21795         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
21796         macroize using X87MODEF macro.  Change predicates of op0 and op1
21797         to register_operand and remove "m" constraint.  Disparage "r"
21798         alternative with "!".
21799         (absneg splitter with memory operands): Remove.
21800         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
21801         patterns and macroize using X87MODEF mode iterator.
21802         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
21803         Change predicate of op1 to register_operand.
21804         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
21805         for memory operands.
21806
21807 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
21808
21809         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
21810
21811 2008-01-07  Richard Guenther  <rguenther@suse.de>
21812
21813         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
21814         fields.
21815
21816 2008-01-07  Richard Guenther  <rguenther@suse.de>
21817
21818         PR tree-optimization/34683
21819         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
21820         VOPs of the needed size to save memory.  Use VEC_quick_push
21821         to save compile-time.
21822         (vdefs_to_vec): Likewise.
21823
21824 2008-01-07  Sa Liu  <saliu@de.ibm.com>
21825
21826         * config/spu/spu.md (divdf3): Genetate inline code for double
21827         division.  The implementation doesn't handle INF or NAN, therefore it
21828         only applies when -ffinite-math-only is given.
21829
21830 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
21831
21832         PR libstdc++/34680
21833         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
21834         * doc/cpp.texi ([Common Predefined Macros]): Document.
21835
21836 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
21837
21838         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
21839         order to use commutative addition instead of subtraction.
21840
21841 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21842             Mircea Namolaru  <namolaru@il.ibm.com>
21843             Vladimir Yanovsky  <yanov@il.ibm.com>
21844             Revital Eres  <eres@il.ibm.com>
21845
21846         PR tree-optimization/34263
21847         * tree-outof-ssa.c (process_single_block_loop_latch,
21848         contains_tree_r): New functions.
21849         (analyze_edges_for_bb): Call process_single_block_loop_latch
21850         function to empty single-basic-block latch block if possible.
21851
21852 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
21853
21854         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
21855         for TARGET_RECIP.
21856         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
21857
21858 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
21859
21860         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
21861
21862 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
21863
21864         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
21865
21866 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
21867
21868         PR tree-optimization/34618
21869         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
21870         flag from T.
21871
21872 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
21873
21874         PR target/34673
21875         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
21876         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
21877         Update copyright year.
21878
21879         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
21880         Update copyright year.
21881         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
21882         using NR fixup.
21883
21884 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
21885
21886         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
21887         edge does not point to current bb before changing need_assert.
21888
21889 2008-01-04  Richard Guenther  <rguenther@suse.de>
21890
21891         PR middle-end/34029
21892         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
21893         for verifying purposes if they are is_gimple_min_invariant.
21894
21895 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
21896
21897         PR tree-optimization/34448
21898         PR tree-optimization/34465
21899         * gimplify.c (gimplify_init_constructor): Add new parameter
21900         notify_temp_creation.  Use it.
21901         (gimplify_modify_expr_rhs): Take volatiles into account when
21902         optimizing constructors.
21903         Do not optimize constructors if gimplify_init_constructor will dump to
21904         memory.
21905         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
21906         * gcc.c-torture/compile/pr34448.c: New.
21907
21908 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
21909
21910         PR gcov-profile/34609
21911         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
21912         return_slot if result is TREE_ADDRESSABLE.
21913
21914 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
21915
21916         * config/mips/mips.md (sqrt_condition): Tweak comment.
21917         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
21918
21919 2008-01-03  Tom Tromey  <tromey@redhat.com>
21920
21921         PR c/34457
21922         * c-common.c (c_type_hash): Handle VLAs.
21923
21924 2008-01-03  Jan Hubicka  <jh@suse.cz>
21925
21926         PR tree-optimization/31081
21927         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
21928         0 when inlining and not inlining to first basic block.
21929         (remap_decl): When var is initialized to 0, don't set default_def.
21930         (expand_call_inline): Set entry_bb.
21931         * tree-inline.h (copy_body_data): Add entry_bb.
21932
21933 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
21934
21935         PR c++/34619
21936         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
21937         before returning.
21938
21939         PR tree-optimization/29484
21940         * tree-inline.c (inline_forbidden_p_2): New function.
21941         (inline_forbidden_p): Disallow inlining if some static var
21942         has an address of a local LABEL_DECL in its initializer.
21943         * doc/extend.texi (Labels as Values): Document &&foo behaviour
21944         vs. inlining.
21945
21946 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
21947
21948         PR tree-optimization/34635
21949         * tree-data-ref.c (add_other_self_distances): Make sure that the
21950         evolution step is constant.
21951
21952 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
21953
21954         PR middle-end/34608
21955         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
21956
21957 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
21958
21959         * tree-sra.c (scalarize_init): Insert the generate_element_init
21960         statements after the generate_element_zero statements.
21961
21962 2008-01-02  Richard Guenther  <rguenther@suse.de>
21963
21964         PR middle-end/34093
21965         PR middle-end/31976
21966         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
21967         for very large number of operands instead of ICEing.
21968
21969 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
21970
21971         PR target/34013
21972         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
21973         while stack probing.
21974
21975 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
21976
21977         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
21978         in C++0x mode.
21979
21980 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
21981
21982         PR libmudflap/26442
21983         * tree-mudflap.c (mx_register_decls): Guard warning by
21984         !DECL_ARTIFICIAL check.
21985
21986 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
21987
21988         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
21989         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
21990         sse5_perm<mode>): Fix constraints.