re PR tree-optimization/52091 (ICE: verify_gimple failed)
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2
3         PR tree-optimization/52091
4         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
5         (vect_is_simple_use_1): Likewise.
6         * tree-vect-loop.c (vectorizable_reduction): Update calls
7         to vect_is_simple_use_1 and vect_is_simple_use.
8         (vectorizable_live_operation): Likewise.
9         * tree-vect-patterns.c (widened_name_p,
10         vect_recog_vector_vector_shift_pattern, check_bool_pattern):
11         Likewise.
12         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
13         vectorizable_call, vectorizable_conversion,
14         vectorizable_assignment, vectorizable_shift,
15         vectorizable_operation, vectorizable_store, vectorizable_load):
16         Likewise.
17         (vect_is_simple_cond): Add an argument, pass it to
18         vect_is_simple_use_1.
19         (vectorizable_condition): Update calls to vect_is_simple_cond,
20         vect_is_simple_use.
21         (vect_is_simple_use): Add an argument, the statement in which
22         OPERAND is used.  Check that if OPERAND's def stmt is a double
23         reduction phi node, the use is a phi node too.
24         (vect_is_simple_use_1): Add an argument, pass it to
25         vect_is_simple_use.
26         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
27         to vect_is_simple_use.
28
29 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
30
31         PR rtl-optimization/52095
32         * modulo-sched.c (dump_insn_locator): New function.
33         (loop_canon_p, sms_schedule): Use it.
34
35         PR rtl-optimization/52113
36         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
37         even for decomposable shift/zext insns.
38
39 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
40             Zdenek Dvorak  <ook@ucw.cz>
41
42         PR rtl-optimization/52092
43         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
44         on get_iv_value result.
45
46 2012-02-02  Andrew Pinski  <apinski@cavium.com>
47
48         PR middle-end/47982
49         PR middle-end/43967
50         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
51
52 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
53
54         PR middle-end/48071
55         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
56
57 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
58
59         PR rtl-optimization/49800
60         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
61         (sched_finish): Call regstat_free_n_sets_and_refs.
62
63 2012-02-02  Jia Liu  <proljc@gmail.com>
64
65         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
66         than operand 2.
67
68 2012-02-02 Jan Hubicka  <jh@suse.cz>
69            Tom de Vries  <tom@codesourcery.com>
70
71         PR middle-end/51998
72         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
73         * varpool.c (varpool_analyze_pending_decls): Likewise.
74
75 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
76             Jayant R Sonar <jayant.sonar@kpitcummins.com>
77
78         * config.gcc: Add cr16-* support.
79
80         * doc/extend.texi: Document cr16 extensions.
81         * doc/install.texi: Document cr16 install.
82         * doc/invoke.texi: Document cr16 options.
83         * doc/md.texi: Document cr16 constraints.
84
85         * common/config/cr16/cr16-common.c: New file.
86         * config/cr16/cr16.c: New file.
87         * config/cr16/cr16.h: New file.
88         * config/cr16/cr16.md: New file.
89         * config/cr16/cr16.opt: New file.
90         * config/cr16/cr16-protos.h: New file.
91         * config/cr16/predicates.md: New file.
92         * config/cr16/constraints.md: New file.
93         * config/cr16/t-cr16: New file.
94
95 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
96
97         PR target/52086
98         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
99         that operands[2] is either immediate, or q_regs_operand.
100
101         PR tree-optimization/52073
102         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
103         a pattern stmt for pattern uses, ignore uses outside of the loop.
104
105 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
106
107         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
108         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
109         (OUT_AS1, OUT_AS2): Remove.
110
111 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
112
113         PR rtl-optimization/51374
114         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
115         to cross other volatile_refs_p insns.
116
117 2012-02-01  Richard Guenther  <rguenther@suse.de>
118
119         * doc/invoke.texi (fno-inline): Clarify documentation.
120         (finline-small-functions): Likewise.
121         (finline-functions): Likewise.
122         * common.opt (finline): Adjust comment and documentation.
123         (finline-small-functions): Clarify documentation.
124         (finline-functions): Likewise.
125         (finline-functions-called-once): Likewise.
126
127 2012-02-01  Tristan Gingold  <gingold@adacore.com>
128
129         * c-typeck.c (composite_type): Keep mode for pointers.
130
131 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
132
133         * function.h (regno_reg_rtx): Adjust comment.
134         * reginfo.c (init_reg_modes_target): Only use the previous mode
135         if it fits within one register.  Remove MIPS comment.
136
137 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
138
139         PR bootstrap/52058
140         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
141
142 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
143
144         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
145         to srak instruction.
146
147 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
148
149         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
150         condition.
151
152 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
153
154         PR bootstrap/52041
155         PR bootstrap/52039
156         PR target/51974
157         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
158
159 2012-01-31  Richard Guenther  <rguenther@suse.de>
160
161         PR tree-optimization/51528
162         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
163         assigns.
164
165 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
166
167         PR bootstrap/52041
168         PR bootstrap/52039
169         PR target/51974
170         * ree.c (add_removable_extension): Change def_map argument
171         to unsigned *, store in def_map 1 + offset into *insn_list vector
172         instead of pointers into the vector.
173         (find_removable_extensions): Adjust caller.
174
175 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
176
177         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
178         Transform all "* quoted-c-code" to { c-code }.
179         Remove redundant test for "optimize" in combine patterns.
180         Move (include "avr-dimode.md") to end of file.
181
182 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
183
184         PR target/51835
185         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
186         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
187
188 2012-01-30  Richard Guenther  <rguenther@suse.de>
189
190         PR tree-optimization/52028
191         * tree-loop-distribution.c (ldist_gen): Properly update
192         virtual SSA form.
193
194 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
195
196         PR debug/52027
197         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
198         set_cur_line_info_table if not emitting debug info.
199
200         PR tree-optimization/52046
201         * tree-vect-patterns.c (check_bool_pattern): Give up if
202         a comparison could throw.
203
204         PR debug/52048
205         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
206
207 2012-01-30  Richard Guenther  <rguenther@suse.de>
208
209         PR tree-optimization/52045
210         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
211         SSA form if cfgcleanup did anything.
212
213 2012-01-30  Richard Guenther  <rguenther@suse.de>
214
215         PR tree-optimization/52045
216         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
217         before computing final todo.
218
219 2012-01-30  Richard Guenther  <rguenther@suse.de>
220
221         PR tree-optimization/51528
222         * tree-sra.c (sra_modify_assign): Re-factor in preparation
223         for PR51528 fix.
224
225 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
226
227         * df-problems.c (df_kill_notes): Check that the use refers
228         to the note under examination.
229
230 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
231
232         PR target/51920
233         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
234         parameter and use short-lived pseudos.
235         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
236         (sparc_expand_vector_init): Const-ify local variables and adjust
237         calls to above functions.
238
239 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
240
241         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
242
243 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
244
245         * doc/invoke.texi: Make usage of "compile time" and
246         "run time"/"runtime" consistent throughout the file.
247
248 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
249
250         * config/alpha/alpha.c (alpha_option_overrride): Default to
251         full IEEE compliance mode for Go language.
252
253 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
254
255         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
256         (LINK_SSP_SPEC): Define.
257
258 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
259
260         PR target/51871
261         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
262         stubs.
263
264 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
265
266         * doc/invoke.texi: Correct hyphenation of "floating point",
267         "double precision", and related terminology throughout the file.
268
269 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
270
271         PR target/52006
272         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
273         arm_general_register_operand predicate for operand 2 instead of
274         register_operand.
275
276 2012-01-27  Ian Lance Taylor  <iant@google.com>
277
278         PR go/47656
279         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
280         * builtins.c (expand_builtin_init_trampoline): Add onstack
281         parameter.  Change caller.
282         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
283         * tree.c (build_common_builtin_nodes): Declare
284         __builtin_init_heap_trampoline.
285
286 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
287
288         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
289         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
290         * config/avr/avr.c: Ditto.
291         (avr_regnames): Remove because unused.
292         * config/avr/avr.md (*cpse.ne): New peephole.
293         (*cpse.eq): New peephole from former cpse peepholes.
294
295 2012-01-27  Michael Eager  <eager@eagercon.com>
296
297         * config/microblaze.c (microblaze_emit_compare): Correct
298         test after pcmp instruction.
299
300 2012-01-27  Richard Guenther  <rguenther@suse.de>
301
302         PR tree-optimization/52020
303         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
304
305 2012-01-27  Richard Guenther  <rguenther@suse.de>
306
307         * ipa-pure-const.c (check_stmt): Clobbers do not make a
308         function non-const/pure.
309
310 2012-01-27  Richard Guenther  <rguenther@suse.de>
311
312         PR tree-optimization/50444
313         * tree-sra.c (build_ref_for_offset): Properly adjust the
314         MEM_REF type for unaligned accesses.
315
316 2012-01-27  Richard Guenther  <rguenther@suse.de>
317
318         PR tree-optimization/50444
319         * expr.c (mem_ref_refers_to_non_mem_p): New function.
320         (expand_assignment): Use it.  Properly handle misaligned
321         bases when expanding stores to component references.
322         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
323         refactor that case.
324
325 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
326
327         PR middle-end/51389
328         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
329         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
330         * tree-data-ref.c (find_data_references_in_loop): Make static.
331         (compute_all_dependences): Change return type to bool.  Bail out
332         for too many datarefs in a loop.  Move the hunk resetting the data
333         dependences vector from ...
334         (compute_data_dependences_for_loop): ... here.  Account for
335         compute_all_dependences returning false.
336         (compute_data_dependences_for_bb): Likewise.
337         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
338         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
339
340 2012-01-27  Richard Guenther  <rguenther@suse.de>
341
342         PR middle-end/51959
343         * expr.c (store_field): Use the alias-set of the scratch memory
344         for storing to it.
345
346 2012-01-27  Tom de Vries  <tom@codesourcery.com>
347
348         PR tree-optimization/51990
349         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
350         WITH_SIZE_EXPR.
351         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
352
353 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
354
355         PR debug/52001
356         * var-tracking.c (reverse_op): Don't add any reverse operation
357         if V already has any constant locations.
358
359 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
360
361         * doc/invoke.texi: Correct usage of "command line" (noun)
362         vs "command-line" (adjective) throughout.
363
364 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
365
366         * doc/invoke.texi (Language Independent Options): Move
367         -Wcoverage-mismatch blurb from here....
368         (Warning Options): ...to here.
369
370 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
371
372         * config/rs6000/rs6000.c (rs6000_option_override_internal):
373         Set rs6000_always_hint to false for 476.
374
375 2012-01-27  Matthias Klose  <doko@ubuntu.com>
376
377         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
378           system root.
379         * incpath.c (add_standard_paths): Likewise.
380
381 2012-01-27  Richard Henderson  <rth@redhat.com>
382
383         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
384         * config/m68k/sync.md (atomic_test_and_set): Rename from
385         sync_test_and_setqi and adjust the operands.
386         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
387         and unconditionally enable.
388
389 2012-01-27  Richard Henderson  <rth@redhat.com>
390
391         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
392         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
393         (ldstub): Rename from ldstubqi.
394         (ldstub<I24MODE>): Remove.
395
396 2012-01-27  Richard Henderson  <rth@redhat.com>
397
398         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
399         * c-cppbuiltin.c (cpp_atomic_builtins): Define
400         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
401         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
402         * doc/tm.texi: Rebuild.
403
404 2012-01-27  Richard Henderson  <rth@redhat.com>
405
406         * optabs.c (gen_atomic_test_and_set): Remove default.
407         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
408
409 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
410
411         PR rtl-optimization/51978
412         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
413         (combine_reaching_defs): Likewise.
414         (struct re_info): Remove.
415         (add_removable_extension): Remove x and data arguments,
416         add insn, insn_list and def_map.  Use the arguments directly
417         instead of using struct re_info.
418         (find_removable_extensions): Don't call add_removable_extension
419         through note_stores, instead just call it with single_set
420         result if non-NULL.
421         (find_and_remove_re): Pass curr_cand->expr instead of
422         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
423
424 2012-01-26  Michael Matz  <matz@suse.de>
425
426         PR tree-optimization/46590
427         * cfgexpand.c: Revert last change (r183305).
428         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
429         regs.
430         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
431         checking for emptiness.
432
433 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
434
435         PR middle-end/51895
436         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
437         non-addressable non-BLKmode base correctly.
438
439 2012-01-26  Michael Matz  <matz@suse.de>
440
441         PR tree-optimization/48794
442         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
443         regions referenced from RESX/EH_DISPATCH.
444
445 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
446
447         * config/s390/s390.h: Make BRANCH_COST an option.
448         * config/s390/s390.opt: New option -mbranch-cost.
449
450 2012-01-26  Richard Henderson  <rth@redhat.com>
451
452         Revert 2012-01-24 change:
453         * trans-mem.c (requires_barrier): Do not instrument thread local
454         variables and emit save/restore for them.
455
456 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
457
458         PR middle-end/51986
459         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
460         for pat == 0.
461
462 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
463
464         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
465         ASM_OPERANDS.
466
467 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
468
469         PR target/49868
470         Rename __pgm to __flash.
471         Rename __pgm1 to __flash1.
472         Rename __pgm2 to __flash2.
473         Rename __pgm3 to __flash3.
474         Rename __pgm4 to __flash4.
475         Rename __pgm5 to __flash5.
476         Rename __pgmx to __memx.
477         * doc/extend.texi (AVR Named Address Spaces)
478         Rename address space names as indicated above.
479         * config/avr/avr.c (avr_addrspace): Ditto.
480
481         * config/avr/avr-protos.h
482         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
483         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
484         * config/avr/predicates.md: Ditto.
485         * config/avr/avr.c Ditto, and
486         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
487         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
488
489         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
490         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
491         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
492         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
493         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
494         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
495         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
496         * config/avr/avr.c: Ditto.
497         * config/avr/avr.md: Ditto.
498
499 2012-01-25  Jason Merrill  <jason@redhat.com>
500
501         PR c++/51992
502         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
503
504 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
505
506         PR tree-optimization/51987
507         * tree-data-ref.c (get_references_in_stmt): Handle references in
508         non-volatile GIMPLE_ASM.
509
510 2012-01-25  Richard Guenther  <rguenther@suse.de>
511
512         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
513         bases are dereferenced.
514
515 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
516
517         PR rtl-optimization/48374
518         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
519
520 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
521
522         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
523         compute_data_dependences_for_loop returns false.
524         * tree-parloops.c (loop_parallel_p): Likewise.
525
526 2012-01-25  Richard Guenther  <rguenther@suse.de>
527
528         * tree.h (get_pointer_alignment_1): Declare.
529         * builtins.c (get_pointer_alignment_1): New function.
530         (get_pointer_alignment): Use it.
531
532 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
533
534         PR rtl-optimization/48308
535         * combine.c (enum undo_kind): Add UNDO_LINKS.
536         (struct undo): Add member l to other_contents and where.
537         (do_SUBST_LINK): New.
538         (SUBST_LINK): New.
539         (try_combine): Handle LOG_LINKS for the dummy i1 case.
540         (undo_all): Handle UNDO_LINKS.
541
542 2012-01-25  Richard Henderson  <rth@redhat.com>
543
544         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
545         mem inputs.
546
547 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
548
549         * optabs.c (gen_atomic_test_and_set): Use each argument.
550
551 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
552
553         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
554         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
555         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
556         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
557         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
558         TARGET_PAIRED_SINGLE_FLOAT.
559
560 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
561
562         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
563         (in_struct, return_val): Remove MEM documentation.
564         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
565         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
566         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
567         and MEM_SCALAR.
568         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
569         * cfgexpand.c (add_alias_set_conflicts): Likewise.
570         * expr.c (store_field): Likewise.
571         * function.c (assign_stack_temp_for_type): Likewise.
572         * ifcvt.c (noce_try_cmove_arith): Likewise.
573         * reload1.c (reload): Likewise.
574         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
575         (alpha_set_memflags): Likewise.
576         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
577
578 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
579
580         * rtl.h (true_dependence, canon_true_dependence): Remove varies
581         parameter.
582         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
583         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
584         (true_dependence_1, true_dependence, canon_true_dependence): Remove
585         varies parameter.
586         * cselib.c (cselib_rtx_varies_p): Delete.
587         (cselib_invalidate_mem): Update call to canon_true_dependence.
588         * dse.c (record_store, check_mem_read_rtx): Likewise.
589         (scan_reads_nospill): Likewise.
590         * cse.c (check_dependence): Likewise.
591         (cse_rtx_varies_p): Delete.
592         * expr.c (safe_from_p): Update call to true_dependence.
593         * ira.c (validate_equiv_mem_from_store): Likewise.
594         (memref_referenced_p): Likewise.
595         * postreload-gcse.c (find_mem_conflicts): Likewise.
596         * sched-deps.c (sched_analyze_2): Likewise.
597         * store-motion.c (load_kills_store): Likewise.
598         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
599         * gcse.c (mems_conflict_for_gcse_p): Likewise.
600         (compute_transp): Update call to canon_true_dependence.
601
602 2012-01-25  Richard Henderson  <rth@redhat.com>
603
604         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
605         (maybe_emit_atomic_test_and_set): New.
606         (expand_sync_lock_test_and_set): Use it.
607         (expand_atomic_test_and_set): Likewise.
608         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
609         the implementation; clarify implementation defined details.
610         * doc/md.texi (atomic_test_and_set): Document.
611
612 2012-01-25  Richard Henderson  <rth@redhat.com>
613
614         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
615
616 2012-01-25  Richard Henderson  <rth@redhat.com>
617
618         PR target/51968
619         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
620         to effect no-op split.
621
622 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
623
624         PR lto/51698
625         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
626         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
627         (BT_FN_VOID_PTR_INT_SIZE): New.
628         (BT_FN_UINT_UINT_VAR): Remove.
629         (BT_FN_UINT32_UINT32_VAR): New.
630         (BT_FN_DOUBLE_VPTR): Remove.
631         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
632
633         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
634         (_ITM_changeTransactionMode): Same.
635         (_ITM_memmoveRtWt): Change return type to void.
636         (_ITM_memcpyRtWt): Same.
637         (_ITM_memsetW): Same.
638         (_ITM_RaRD): Change types to double.
639         (_ITM_RD): Same.
640         (_ITM_RaWD): Same.
641         (_ITM_RfWD): Same.
642
643         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
644
645 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
646             Patrick Marlier  <patrick.marlier@gmail.com>
647
648         * trans-mem.c (requires_barrier): Do not instrument thread local
649         variables and emit save/restore for them.
650
651 2012-01-24  Jason Merrill  <jason@redhat.com>
652
653         PR c++/51812
654         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
655         output static aliases.
656
657 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
658
659         PR driver/47249
660         * common.opt (-pie, -shared, pie, shared): Change from Common to
661         Driver.
662         * gcc.c (display_help): Display help for -pie and -shared.
663
664 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
665
666         PR target/49868
667         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
668         Remove note on size/offset limitation.
669         (AVR Variable Attributes): Add example how to read data located
670         with progmem.  Refer to named address spaces.
671         * doc/invoke.texi (AVR Options): Fix typo.
672
673 2012-01-24  Richard Guenther  <rguenther@suse.de>
674
675         Forward-port to trunk
676         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
677
678         PR middle-end/45678
679         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
680         op0 isn't sufficiently aligned and there is movmisalignM
681         insn for mode, use it to load op0 into a temporary register.
682
683 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
684
685         PR target/51957
686         * target.def (const_not_ok_for_debug_p): New hook.
687         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
688         documentation.
689         * doc/tm.texi: Regenerated.
690         * dwarf2out.c (const_ok_for_output_1): If
691         targetm.const_not_ok_for_debug_p returns true, fail.
692         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
693         function.
694         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
695
696 2012-01-23  Kai Tietz  <ktietz@redhat.com>
697
698         PR target/51900
699         * config/i386/predicates.md (symbolic_operand): Allow
700         UNSPEC_PCREL as PIC expression for lea.
701         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
702         * config/i386/i386.c (ix86_delegitimize_address): Handle
703         UNSPEC_PCREL for none-MEM, too.
704
705 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
706
707         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
708         (ipa_tm_create_version_alias): Same.
709
710 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
711
712         PR libitm/51830
713         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
714         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
715
716 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
717             Patrick Marlier  <patrick.marlier@gmail.com>
718             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
719
720         PR lto/51916
721         * lto-wrapper.c (run_gcc): Pass the LTO section name to
722         simple_object_start_read.
723
724 2012-01-23  Richard Guenther  <rguenther@suse.de>
725
726
727         PR tree-optimization/51895
728         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
729         parameter decomposition into BLKmode components.
730
731 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
732
733         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
734         fake variables for restrict-qualified pointers whose pointed-to type
735         contains a placeholder.
736
737 2012-01-23  Richard Guenther  <rguenther@suse.de>
738
739         PR tree-optimization/51949
740         * ipa-split.c (execute_split_functions): Do not split malloc functions.
741
742 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
743
744         PR rtl-optimization/51933
745         * ree.c (transform_ifelse): Return true right away if dstreg is
746         already wider or equal to cand->mode.
747         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
748         (make_defs_and_copies_lists): Remove defs_list and copies_list
749         arguments, add state argument, just truncate state->work_list
750         instead of always allocating and freeing the vector.  Assert that
751         get_defs succeeds instead of returning 2.  Changed return type to bool.
752         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
753         have ext_src_mode, see if it has been modified already with the
754         right kind of extension and has been extended before from the
755         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
756         just return true.  Remember the original mode in state->modified array.
757         (combine_reaching_defs): Add state argument.  Don't allocate and
758         free here def_list, copied_list and vec vectors, instead just
759         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
760         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
761         Add state variable, clear vectors in it, initialize state.modified
762         if needed.  Free all the vectors at the end and state.modified too.
763         Don't skip a candidate if the extension expression has been modified.
764
765 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
766
767         PR target/47096
768         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
769          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
770         (extra_options) interix.opt -> i386/interix.opt"
771         (extra_objs):Add winnt-stubs.o
772         * configure.ac: Add interix to target_os .comm on PE check.
773         * configure: Regenerate.
774         * config/interix3.h: Delete and move bits to..
775         * config/interix.h: Delete and move bits to..
776         * config/i386/i386-interix3.h: Delete and move bits to..
777         * config/i386/i386-interix.h: ..here.
778         (TARGET_CPU_DEFAULT): Remove redefinition.
779         (TARGET_ASM_CONSTRUCTOR): Undefine.
780         (SUBTARGET_SWITCHES): Define for ms-bitfields.
781         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
782         (PTRDIFF_TYPE): Define.
783         (LONG_DOUBLE_TYPE_SIZE): Define.
784         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
785         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
786         (TARGET_SECTION_TYPE_FLAGS): Define.
787         (ASM_DECLARE_FUNCTION_NAME): Define.
788         (ASM_OUTPUT_EXTERNAL): Define.
789         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
790         (ASM_OUTPUT_ALIGNED_BSS): Define.
791         (PCC_BITFIELD_TYPE_MATTERS): Define.
792         (USE_CONST_SECTION): Define.
793         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
794         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
795         (SUPPORTS_ONE_ONLY): Remove.
796         (I386_PE_STRIP_ENCODING): Define.
797         * config/interix.opt: Delete and move bits to..
798         * config/i386/interix.opt: ..here. New.
799         (mpe-aligned-commons): Add.
800         * config/i386/t-interix: Add copyright header.
801         (winnt-stubs.o): Add rule.
802
803 2012-01-22  Jason Merrill  <jason@redhat.com>
804
805         PR c++/51832
806         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
807         for extra name aliases.
808
809 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
810
811         PR rtl-optimization/51924
812         * ree.c (combine_set_extension): Improve debugging message.
813         (combine_reaching_defs): Likewise.
814         (get_defs): Rename confusingly named variable.
815         (find_and_remove_re): Skip a candidate if the extension expression has
816         been modified.
817
818 2012-01-21  Robert Millan  <rmh@gnu.org>
819             Gerald Pfeifer  <gerald@pfeifer.com>
820
821         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
822         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
823
824 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
825
826         PR tree-optimization/51914
827         * tree-vect-stmts.c (vectorizable_conversion): For
828         cvt_type && modifier == WIDEN, put temporary with cvt_type
829         at the beginning of vec_dsts and set vec_dest to temporary
830         with vectype_out.
831
832 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
833
834         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
835
836 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
837
838         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
839         * config/rs6000/rs6000.c: Likewise.
840
841 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
842
843         PR target/51915
844         * config/arm/arm.c (arm_count_output_move_double_insns): Call
845         output_move_double on a copy of operands array.
846
847 2012-01-20  Cary Coutant  <ccoutant@google.com>
848             Dodji Seketeli  <dodji@redhat.com>
849
850         PR debug/45682
851         * dwarf2out.c (copy_declaration_context): Return ref to parent
852         of declaration DIE, if necessary.
853         (remove_child_or_replace_with_skeleton): Add new parameter; update
854         caller.  Place skeleton DIE under parent DIE of original declaration.
855         Move call to copy_declaration_context to here ...
856         (break_out_comdat_types): ... from here.
857
858 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
859
860         PR rtl-optimization/51856
861         * reload.c (find_reloads_subreg_address): Set the address_reloaded
862         flag to reloaded.
863
864 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
865
866         PR target/51819
867         * config/arm/arm.c (arm_print_operand): Correct output of alignment
868         hints for neon loads and stores.
869
870 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
871
872         PR target/49868
873         PR target/50887
874         * doc/extend.texi (Named Address Spaces): Split into subsections.
875         (AVR Named Address Spaces): New subsection.
876         (M32C Named Address Spaces): New subsection.
877         (RL78 Named Address Spaces): New subsection.
878         (SPU Named Address Spaces): New subsection.
879         (Variable Attributes): New anchor "AVR Variable Attributes".
880         (AVR Variable Attributes): Rewrite and avoid wording
881         "address space" in this context.
882         * doc/invoke.texi (AVR Options): Rewrite and add documentation
883         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
884         (AVR Built-in Macros): New subsubsection therein.
885         * doc/md.texi (AVR constraints): Remove "C04", "R".
886
887 2012-01-20  Richard Guenther  <rguenther@suse.de>
888
889         PR tree-optimization/51903
890         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
891         when removing stmts.
892
893 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
894
895         PR target/50313
896         * config/arm/arm.c (arm_load_pic_register): Use
897         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
898         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
899         (arm_pic_static_addr): Likewise.
900         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
901         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
902         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
903         (pic_load_addr_unified): New.
904
905 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
906
907         PR target/51106
908         * function.c (instantiate_virtual_regs_in_insn): Use
909         delete_insn_and_edges when removing a wrong asm insn.
910
911 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
912
913         PR rtl-optimization/40761
914         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
915         Add new member loop_num.
916         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
917         (ira_build): Remove the parameter.
918
919         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
920         (ira.c): Do not build CFG loops for one region allocation.  Remove
921         argument from ira_build call.
922
923         * ira-build.c (init_loop_tree_node): New function.
924         (create_loop_tree_nodes): Use it.  Separate the case when CFG
925         loops are not built.
926         (more_one_region_p): Check current_loops.
927         (finish_loop_tree_nodes): Separate the case when CFG loops are not
928         built.
929         (add_loop_to_tree): Process loop equal to NULL too.
930         (form_loop_tree): Separate the case when CFG loops are not built.
931         Use explicitly number for the root.
932         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
933         an assertion.
934         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
935         instead of loop->num.
936         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
937         (mark_all_loops_for_removal): Ditto.
938         (remove_unnecessary_regions): Separate the case when CFG loops
939         are not built.
940         (ira_build): Remove the parameter.  Use explicit number of regions
941         when CFG loops are not built.
942
943         * ira-color.c (print_loop_title): Separate the case for the root node.
944         Use loop_num instead of loop->num.
945         (move_spill_restore): Use loop_num instead of loop->num.
946
947         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
948         (change_loop): Ditto.
949         (change_loop): Use loop_num instead of loop->num.
950
951         * ira-lives.c (process_bb_node_lives): Ditto.
952
953         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
954
955         * ira-conflicts.c (print_allocno_conflicts): Ditto.
956
957 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
958
959         PR libmudflap/40778
960         * tree-mudflap.c (mf_artificial): New function.
961         (execute_mudflap_function_ops, execute_mudflap_function_decls,
962         mx_register_decls, mudflap_enqueue_decl): Use it.
963
964         PR target/51876
965         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
966         numbers in the insn pattern.
967
968 2012-01-19  Michael Matz  <matz@suse.de>
969
970         PR tree-optimization/46590
971         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
972         use it in remembering which conflicts we already created.
973         (add_scope_conflicts): Adjust call to above, (de)allocate helper
974         bitmap.
975
976 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
977
978         PR lto/51280
979         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
980         (merge_and_complain): Same.
981
982 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
983
984         PR bootstrap/50237
985         * config/initfini-array.h: Guard content of the header
986         with #ifdef HAVE_INITFINI_ARRAY.
987         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
988         Add initfini-array.h to tm_file here.
989         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
990         * config.gcc: Don't add initfini-array.h to tm_file here.
991         * configure: Regenerated.
992
993 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
994
995         PR rtl-optimization/51505
996         * df-problems.c (df_kill_notes): New parameter live. Update comment.
997         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
998         (df_note_bb_compute): Update the call to df_kill_notes.
999
1000 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1001
1002         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1003
1004 2012-01-18  Richard Guenther  <rguenther@suse.de>
1005
1006         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1007         of conversions to void *.
1008
1009 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1010             Richard Sandiford  <rdsandiford@googlemail.com>
1011
1012         PR middle-end/50325
1013         PR middle-end/51192
1014         * optabs.h (simplify_expand_binop): Declare.
1015         * optabs.c (simplify_expand_binop): Make global.
1016         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1017         endian targets if the source cannot be exactly covered by word
1018         mode chunks.
1019
1020 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1021
1022         PR bootstrap/51872
1023         * hard-reg-set.h (struct hard_reg_set_container): New type.
1024         * target.h (struct hard_reg_set_container): Forward declare.
1025         * target.def (set_up_by_prologue): New target hook.
1026         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1027         * doc/tm.texi: Regenerated.
1028         * function.c (thread_prologue_and_epilogue_insns): Change
1029         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1030         Call targetm.set_up_by_prologue on it.
1031         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1032         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1033
1034 2012-01-17  Nick Clifton  <nickc@redhat.com>
1035
1036         * config/rx/rx.c (rx_can_use_simple_return): New function.
1037         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1038         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1039
1040 2012-01-17  Richard Guenther  <rguenther@suse.de>
1041
1042         PR middle-end/51782
1043         * expr.c (expand_assignment): Take address-space information
1044         from the address operand of MEM_REF and TARGET_MEM_REF.
1045         (expand_expr_real_1): Likewise.
1046
1047 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1048
1049         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1050         reload dump is requested.
1051
1052 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1053
1054         PR other/51165
1055         * trans-mem.c (requires_barrier): Call may_be_aliased.
1056
1057 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1058
1059         PR tree-optimization/51877
1060         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1061         call arguments and fndecls compare equal, instead return false if they
1062         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1063         both SSA_NAMEs that are valueized the same, or they satisfy
1064         operand_equal_p.
1065
1066 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1067
1068         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1069         Solaris 11+.
1070         * configure: Regenerate.
1071
1072 2012-01-16  Jan Hubicka  <jh@suse.cz>
1073
1074         PR c/12245
1075         PR c++/14179
1076         * convert.c (convert_to_integer): Use fold_convert for
1077         converting an INTEGER_CST to integer type.
1078
1079 2012-01-16  Jason Merrill  <jason@redhat.com>
1080
1081         PR c++/14179
1082         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1083
1084 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1085
1086         PR bootstrap/51860
1087         * config/s390/s390.c (s390_chunkify_start): Don't skip
1088         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1089         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1090         If insn is followed by NOTE_INSN_VAR_LOCATION or
1091         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1092         Don't use location of note insns.
1093
1094         PR tree-optimization/51865
1095         * tree-inline.c (tree_function_versioning): Call remap_decl
1096         on DECL_RESULT whenever it has VOID_TYPE_P type.
1097
1098 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1099
1100         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1101         for calls to locally-binding MIPS16 functions if only the return
1102         type uses float regs.
1103
1104 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1105             Richard Sandiford  <rdsandiford@googlemail.com>
1106
1107         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1108         (SYMBOL_32_HIGH): Likewise.
1109         (mips_output_tls_reloc_directive): Declare.
1110         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1111         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1112         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1113         (mips_lo_relocs, mips_hi_relocs): Make extern.
1114         (mips16_stub_function): Move up file.
1115         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1116         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1117         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1118         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1119         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1120         (mips_get_tp): Add MIPS16 support.
1121         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1122         Generalize DTPREL and TPREL handling.
1123         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1124         Add MIPS16 TLS support.
1125         (mips_output_tls_reloc_directive): New function.
1126         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1127         * config/mips/predicates.md (symbolic_operand_with_high)
1128         (tls_reloc_operand): New predicates.
1129         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1130         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1131         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1132         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1133         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1134         (*tls_get_tp_mips16_call_<mode>): Likewise.
1135
1136 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1137
1138         PR rtl-optimization/51821
1139         * recog.c (peep2_find_free_register): Determine clobbered registers
1140         from insn pattern.
1141
1142 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1143
1144         PR target/50925
1145         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1146         * config/avr/avr.c: Likewise.
1147         * config/avr/avr.h: Likewise.
1148
1149 2012-01-13  Ian Lance Taylor  <iant@google.com>
1150
1151         PR c++/50012
1152         * tree.h (TYPE_QUALS): Add cast to int.
1153         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1154
1155 2012-01-13  Ian Lance Taylor  <iant@google.com>
1156
1157         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1158         comparing param_index to VEC_length result.
1159
1160 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1161
1162         * c-decl.c: Do not include tree-mudflap.h
1163         * tree-optimize.c: Likewise.
1164         * Makefile.in: Update dependencies.
1165
1166 2012-01-13  Richard Guenther  <rguenther@suse.de>
1167
1168         PR middle-end/8081
1169         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1170         variable-sized result always use RSO.
1171
1172 2012-01-12  DJ Delorie  <dj@redhat.com>
1173
1174         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1175         pointer type, not just the default pointer type.
1176
1177 2012-01-09  Richard Henderson  <rth@redhat.com>
1178             Denis Chertykov  <chertykov@gmail.com>
1179
1180         PR target/50925
1181         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1182         * config/avr/avr.c (avr_can_eliminate): Simplify.
1183         (avr_initial_elimination_offset): Likewise.
1184         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1185         (expand_epilogue): Likewise.
1186         (avr_legitimize_address): Gut.
1187         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1188         (avr_hard_regno_nregs): New.
1189         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1190         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1191         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1192         add soft frame pointer.
1193         (CALL_USED_REGISTERS): Likewise.
1194         (REG_CLASS_CONTENTS): Likewise.
1195         (REGISTER_NAMES): Likewise.
1196         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1197         (HARD_FRAME_POINTER_REGNUM): New.
1198         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1199         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1200         remove the HARD_FRAME_POINTER self-elimination.
1201
1202 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1203
1204         PR target/51756
1205         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1206         DECL_EXTERNAL when checking for initializers of progmem variables.
1207
1208 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1209
1210         PR tree-optimization/51799
1211         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1212         that the last operation is a type demotion.
1213
1214 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1215
1216         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1217         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1218
1219 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1220
1221         PR bootstrap/51796
1222         * combine.c (distribute_notes): If i3 is a noreturn call,
1223         allow old_size to be equal to args_size and make sure the
1224         noreturn call gets REG_ARGS_SIZE note.
1225         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1226         on noreturn calls even when the delta is 0.
1227
1228 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1229
1230         * gcov.c (STRING_SIZE): Remove.
1231         (generate_results): Erase annotations for source files with no
1232         coverage information.
1233         (read_line): New.
1234         (output_lines): Use it.
1235
1236 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1237
1238         * gimple.h (gimplify_body): Remove first argument.
1239         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1240         pointer set here, instead just pass DATA to walk_tree.
1241         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1242         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1243         (unvisit_body): Likewise, but with unmark_visited.
1244         (gimplify_body): Remove BODY_P argument and adjust.
1245         (gimplify_function_tree): Adjust call to gimplify_body.
1246         * omp-low.c (finalize_task_copyfn): Likewise.
1247
1248 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1249
1250         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1251         (build_function_type_skip_args): Delete.
1252         * tree.c (build_function_type_skip_args): Make static and add
1253         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1254         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1255         pass it to build_function_type_skip_args.
1256         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1257         (tree_function_versioning): Likewise.
1258         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1259         build_function_decl_skip_args.
1260         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1261         and pass it to build_function_decl_skip_args/tree_function_versioning.
1262         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1263         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1264         * trans-mem.c (ipa_tm_create_version): Likewise.
1265         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1266         * tree-inline.c (declare_return_variable): Remove always-true test.
1267         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1268         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1269         * ipa-split.c (split_function): Skip the return value for the split
1270         part if it doesn't return.
1271
1272 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1273
1274         PR tree-optimization/49642
1275         * ipa-split.c (forbidden_dominators): New variable.
1276         (check_forbidden_calls): New function.
1277         (dominated_by_forbidden): Likewise.
1278         (consider_split): Check for forbidden dominators.
1279         (execute_split_functions): Initialize and free forbidden
1280         dominators info; call check_forbidden_calls.
1281
1282 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1283
1284         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1285
1286 2012-01-11  Nick Clifton  <nickc@redhat.com>
1287
1288         * config/rx/rx.md (return): Define pattern.
1289
1290 2012-01-11  Richard Guenther  <rguenther@suse.de>
1291
1292         * doc/extend.texi (malloc attribute): Adjust according to
1293         implementation.
1294
1295 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1296             Patrick Marlier  <patrick.marlier@gmail.com>
1297
1298         PR middle-end/51516
1299         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1300         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1301         (ipa_tm_note_irrevocable): Same.
1302         (ipa_tm_scan_irr_block): Same.
1303         (ipa_tm_decrement_clone_counts): Same.
1304         (ipa_tm_scan_irr_function): Same.
1305         (ipa_tm_create_version_alias): Same.
1306         (ipa_tm_create_version): Same.
1307         (ipa_tm_transform_calls_redirect): Same.
1308         (ipa_tm_transform_calls): Same.
1309         (ipa_tm_transform_transaction): Same.
1310         (ipa_tm_execute): Same.
1311
1312 2012-01-10  Richard Guenther  <rguenther@suse.de>
1313
1314         PR middle-end/51806
1315         * opts.c (common_handle_option): Handle -Werror.
1316
1317 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1318
1319         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1320         operand number.
1321
1322 2012-01-10  Jason Merrill  <jason@redhat.com>
1323
1324         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1325         information.
1326
1327 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1328
1329         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1330         supports R_386_TLS_GD_PLT reloc.
1331         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1332         supports R_386_TLS_LDM_PLT reloc.
1333         * configure: Regenerate.
1334         * config.in: Regenerate.
1335
1336 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1337
1338         PR target/49868
1339         Extend __pgmx semantics to linearize memory.
1340         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1341         determine if code comes inline or from libgcc.
1342         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1343         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1344         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1345         (movmemx_qi, movmemx_hi): New insns.
1346         (xload_<mode>_libgcc): Rewrite to new insn condition.
1347         (xload_<mode>): Remove insns.
1348         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1349         cases that don't satisfy avr_xload_libgcc_p().
1350         (avr_addr_space_convert): Allow converting in any direction.
1351         (avr_addr_space_subset_p): Return always true.
1352         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1353         (avr_emit_movmemhi): Ditto.
1354         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1355         (avr_out_movmem): Ditto.
1356         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1357         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1358         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1359         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1360         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1361
1362 2012-01-10  Richard Guenther  <rguenther@suse.de>
1363
1364         PR tree-optimization/50913
1365         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1366         Require data-refs to be representable by Graphite with respect
1367         to any loop nest.
1368
1369 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1370
1371         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1372         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1373
1374 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1375
1376         PR rtl-optimization/51271
1377         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1378         handling annulled branch.
1379
1380 2012-01-10  Richard Henderson  <rth@redhat.com>
1381
1382         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1383         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1384         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1385         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1386         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1387         arm_expand_vec_perm_const): New.
1388         * config/arm/arm-protos.h: Update.
1389         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1390         (*neon_vswp<VDQX>): New.
1391         (neon_vcombine<VDX>): Use neon_split_vcombine.
1392         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1393         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1394         (vec_perm<VE>): New.
1395
1396 2012-01-10  Richard Henderson  <rth@redhat.com>
1397
1398         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1399         use it if reload_completed.
1400         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1401         arm_output_asm_insn, arm_process_output_memory_barrier,
1402         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1403         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1404         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1405         arm_process_output_sync_insn, arm_output_sync_insn,
1406         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1407         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1408         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1409         (emit_unlikely_jump): New.
1410         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1411         (arm_split_atomic_op): New.
1412         * config/arm/arm-protos.h: Update.
1413         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1414         (struct arm_sync_generator): Remove.
1415         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1416         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1417         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1418         (VUNSPEC_LL, VUNSPEC_SC): New.
1419         (sync_result, sync_memory, sync_required_value, sync_new_value,
1420         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1421         (attr length): Don't use arm_sync_loop_insns.
1422         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1423         (movsfcc, movdfcc): Likewise.
1424         * config/arm/constraints.md (Ua): New.
1425         * config/arm/prediates.md (mem_noofs_operand): New.
1426         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1427         (sync_clobber, sync_t2_reqd): Remove.
1428         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1429         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1430         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1431         (arm_sync_compare_and_swap<SIDI>): Remove.
1432         (arm_sync_compare_and_swap<NARROW>): Remove.
1433         (arm_sync_lock_test_and_set<SIDI>): Remove.
1434         (arm_sync_lock_test_and_set<NARROW>): Remove.
1435         (arm_sync_new_<syncop><SIDI>): Remove.
1436         (arm_sync_new_<syncop><NARROW>): Remove.
1437         (arm_sync_new_nand<SIDI>): Remove.
1438         (arm_sync_new_nand<NARROW>): Remove.
1439         (arm_sync_old_<syncop><SIDI>): Remove.
1440         (arm_sync_old_<syncop><NARROW>): Remove.
1441         (arm_sync_old_nand<SIDI>): Remove.
1442         (arm_sync_old_nand<NARROW>): Remove.
1443         (*memory_barrier): Merge arm_output_memory_barrier.
1444         (atomic_compare_and_swap<QHSD>): New.
1445         (atomic_compare_and_swap<NARROW>_1): New.
1446         (atomic_compare_and_swap<SIDI>_1): New.
1447         (atomic_exchange<QHSD>): New.
1448         (cas_cmp_operand, cas_cmp_str): New.
1449         (atomic_op_operand, atomic_op_str): New.
1450         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1451         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1452         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1453         (arm_load_exclusive<NARROW>): New.
1454         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1455         (arm_store_exclusive<QHSD>): New.
1456
1457 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1458
1459         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1460         reload patterns if -mvsx-scalar-memory.
1461
1462         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1463         generated, even -mno-vsx-scalar-double was used.
1464         (vsx_xscvdpsp_scalar): Likewise.
1465         (vsx_xscvspdp_scalar2): Likewise.
1466
1467 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1468             Andrew Pinski  <apinski@cavium.com>
1469
1470         PR debug/51471
1471         * reorg.c (fill_slots_from_thread): Don't speculate
1472         frame-related insns.
1473
1474 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1475
1476         * sched-int.h (bb_note): Move to...
1477         * basic-block.h: ...here.
1478         * haifa-sched.c (bb_note): Move to...
1479         * cfgrtl.c: ...here.
1480         * function.c (next_block_for_reg): New function.
1481         (move_insn_for_shrink_wrap): Likewise.
1482         (prepare_shrink_wrap): Rewrite to use the above.
1483
1484 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1485
1486         * gimple.c (is_gimple_non_addressable): Remove.
1487         * gimple.h: Remove is_gimple_non_addressable.
1488         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1489         is_gimple_non_addressable.
1490         * trans-mem.c (expand_assign_tm): Same.
1491
1492 2012-01-09  Richard Guenther  <rguenther@suse.de>
1493
1494         PR tree-optimization/51775
1495         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1496         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1497
1498 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1499
1500         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1501         tuning parameters.
1502         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1503
1504 2012-01-09  Richard Guenther  <rguenther@suse.de>
1505
1506         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1507
1508 2012-01-08  Jan Hubicka  <jh@suse.cz>
1509
1510         PR tree-optimize/51680
1511         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1512         on when known_vals needs to be computed; cleanup.
1513
1514 2012-01-08  Jan Hubicka  <jh@suse.cz>
1515
1516         PR tree-optimize/51694
1517         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1518
1519 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1520
1521         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1522         for -std=c++98 and -std=c++11 too.
1523
1524 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1525
1526         * cfgloop.c (cancel_loop): Add free() of bbs array.
1527
1528 2012-01-07  Jan Hubicka  <jh@suse.cz>
1529
1530         PR tree-optimization/51600
1531         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1532         that benefits small functions.
1533
1534 2012-01-07  Jan Hubicka  <jh@suse.cz>
1535
1536         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1537
1538 2012-01-07  Jan Hubicka  <jh@suse.cz>
1539
1540         PR tree-optimization/51680
1541         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1542         whose inlining reduce unit size.
1543
1544 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1545
1546         PR bootstrap/51725
1547         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1548         Add canonical node to containing_mem chain after the non-canonical
1549         one, even if there weren't any locs to propagate.
1550         (remove_useless_values): Keep only canonical values.
1551         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1552         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1553         canonicalize mem_chain elements that are not discarded.
1554
1555 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1556
1557         PR target/47333
1558         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1559         before emitting functions.
1560
1561         PR gcov-profile/50127
1562         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1563         clear_aux_for_blocks.
1564
1565 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1566
1567         PR debug/51746
1568         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1569
1570 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1571
1572         * c-decl.c (ext_block): Moved up.
1573         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1574
1575 2012-01-06  Han Shen  <shenhan@google.com>
1576
1577         Translate built-in include paths for sysroot.
1578         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1579         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1580
1581         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1582         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1583
1584         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1585         control whether sysroot should be prepended to gxx include dir.
1586
1587         * configure: Regenerate.
1588
1589 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1590
1591         PR rtl-optimization/51771
1592         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1593         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1594
1595 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1596
1597         PR tree-optimization/51315
1598         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1599         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1600
1601 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1602
1603         PR target/51681
1604         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1605         for shrp pattern.  Correctly handle and fixup shift variable.
1606         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1607
1608 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1609
1610         PR debug/51762
1611         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1612         note when !ACCUMULATE_OUTGOING_ARGS.
1613
1614 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1615
1616         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1617         condition.
1618         (extract_range_from_unary_expr_1): Avoid useless computations.
1619
1620 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1621
1622         PR rtl-optimization/51767
1623         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1624         of jump_block and add an extra edge for degenerated asm gotos.
1625
1626         PR middle-end/51768
1627         * stmt.c (check_unique_operand_names): Don't ICE during error
1628         reporting if i is from labels chain.
1629
1630         PR middle-end/44777
1631         * profile.c (branch_prob): Split bbs that have exit edge
1632         and need a fake entry edge too.
1633
1634 2012-01-05  Jan Hubicka  <jh@suse.cz>
1635
1636         PR middle-end/49710
1637         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1638         unlooping loops.
1639
1640 2012-01-05  Richard Guenther  <rguenther@suse.de>
1641
1642         PR lto/50490
1643         * tree-streamer-out.c (write_ts_optimization): New function.
1644         (streamer_write_tree_body): Call it.
1645         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1646         (streamer_read_tree_body): Call it.
1647         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1648
1649 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1650
1651         PR middle-end/51761
1652         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1653         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1654         in_cleanup_point_expr before gimplify_stmt call and restore it
1655         afterwards.
1656         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1657         in_cleanup_point_expr is false.
1658
1659 2012-01-05  Richard Guenther  <rguenther@suse.de>
1660
1661         PR middle-end/51764
1662         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1663         to c.opt.
1664         * toplev.c (process_options): Reject combining mudflap and LTO.
1665         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1666
1667 2012-01-05  Richard Guenther  <rguenther@suse.de>
1668
1669         PR tree-optimization/51760
1670         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1671         not VARYING.
1672         (bit_value_unop): Handle UNDEFINED operands.
1673         (bit_value_binop): Likewise.
1674
1675 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1676
1677         * config/avr/avr.c (avr_replace_prefix): Remove.
1678         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1679         (avr_asm_function_rodata_section): Ditto.
1680         (avr_asm_select_section): Ditto.
1681
1682 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1683
1684         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1685         insertion.
1686
1687 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1688
1689         PR bootstrap/51648
1690         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1691         calls that have any non-fake successor edges.
1692
1693         PR debug/51746
1694         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1695
1696 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1697
1698         PR tree-optimization/51624
1699         * tree-sra.c (build_ref_for_model): When replicating a chain of
1700         COMPONENT_REFs, stop as soon as the offset would become negative.
1701
1702 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1703
1704         PR debug/51695
1705         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1706         in .debug_loc on the floor.
1707
1708 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1709
1710         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1711
1712 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1713             Adam Nemet  <anemet@caviumnetworks.com>
1714
1715         * config/mips/mips.md (size): Add SI and DI.
1716         (SIZE): New mode attribute.
1717         (U): New code attribute.
1718         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1719         (mips_lbux_<mode>): Delete.
1720         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1721         (mips_lhx): Use gen_mips_lhx_extsi.
1722         (mips_lhx_<mode>): Delete.
1723         (mips_lwx): Delete.
1724         (mips_l<size>x): New expand.
1725         (mips_lwx_<mode>): Delete.
1726         (mips_l<GPR:size>x_<P:mode>): New pattern.
1727         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1728         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1729         * config/mips/mips.c (mips_lx_address_p): New function.
1730         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1731         (dsp64): New availability predicate.
1732         (mips_builtins): Add an entry for __builtin_mips_ldx.
1733         * config/mips/mips.h (ISA_HAS_LBX): New define.
1734         (ISA_HAS_LBUX): Likewise.
1735         (ISA_HAS_LHX): Likewise.
1736         (ISA_HAS_LHUX): Likewise.
1737         (ISA_HAS_LWX): Likewise.
1738         (ISA_HAS_LWUX): Likewise.
1739         (ISA_HAS_LDX): Likewise.
1740         * doc/extend.texi (__builtin_mips_ldx): Document.
1741
1742 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1743
1744         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1745         when long pointers are used.
1746         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1747         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1748         (ia64-hp-*vms*): Remove.
1749         * config/vms/xm-vms64.h: Delete.
1750
1751 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1752
1753         PR middle-end/51472
1754         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1755
1756 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1757
1758         * opts.c (finish_options): Remove duplicate sorry.
1759
1760 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1761
1762         PR middle-end/51696
1763         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1764         correctly.
1765
1766 2012-01-04  Richard Guenther  <rguenther@suse.de>
1767
1768         PR middle-end/51750
1769         * tree.c (size_low_cst): New function.
1770         * tree.h (size_low_cst): Declare.
1771         * fold-const.c (fold_comparison): Use it to extract the low
1772         part of the POINTER_PLUS_EXPR offset.
1773
1774 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1775
1776         Fix clearing ZERO_REG
1777         * config/avr/avr.md (cc): Add alternative "ldi".
1778         (movqi_insn): Use it in cc attribute.
1779         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1780         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1781         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1782
1783 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1784
1785         * configure: Regenerate.
1786
1787 2012-01-04  Richard Guenther  <rguenther@suse.de>
1788
1789         PR tree-optimization/49651
1790         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1791         (var_can_have_subvars): Use it.
1792         (get_constraint_for_1): Only consider subfields if there can be any.
1793
1794 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1795
1796         PR bootstrap/51725
1797         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1798         to its new canonical_cselib_val and the cselib_val was in
1799         first_containing_mem chain, but the canonical_cselib_val was not,
1800         add the latter into the chain.
1801         (cselib_invalidate_mem): Compare canonical_cselib_val of
1802         addr_list chain elt with v.
1803
1804         PR pch/51722
1805         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1806         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1807         of xstrdup.
1808         (output_macinfo_op): Don't ggc_strdup fd->filename.
1809         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1810         then ggc_strdup it.  Don't free inc->info or cur->info.
1811         (output_macinfo): Don't free ref->info or file->info.
1812
1813 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1814
1815         PR tree-optimization/51269
1816         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1817         first_niters a pointer.
1818         (slpeel_tree_peel_loop_to_edge): Likewise.
1819         (vect_do_peeling_for_loop_bound): Update call to
1820         slpeel_tree_peel_loop_to_edge.
1821         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1822         here.  Remove it from the parameters list.
1823         (vect_do_peeling_for_alignment): Update calls and compute
1824         wide_prolog_niters.
1825
1826 2012-01-03  Richard Guenther  <rguenther@suse.de>
1827
1828         PR tree-optimization/51070
1829         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1830         Properly handle calls.
1831
1832 2012-01-03  Richard Guenther  <rguenther@suse.de>
1833
1834         PR tree-optimization/51692
1835         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1836         the LHS of allocation stmts.
1837
1838 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1839
1840         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1841
1842 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1843
1844         * collect2.c (main): In AIX specific computations for vector
1845         insertions, use CONST_CAST2 to cast from char ** to const char **.
1846
1847 2012-01-03  Richard Guenther  <rguenther@suse.de>
1848
1849         PR debug/51650
1850         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1851         the context of a limbo DIE when it does not already exist.
1852
1853 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1854
1855         PR tree-optimization/51719
1856         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1857         but direct call is, clear direct call's lhs and don't add fallthrough
1858         edge from dcall_bb to join_bb and PHIs.
1859
1860 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1861
1862         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1863         the instructions emitted by the pattern.
1864         ("*TDC_insn_<mode>"): Add comment.
1865
1866 2012-01-03  Richard Guenther  <rguenther@suse.de>
1867
1868         PR middle-end/51730
1869         * fold-const.c (fold_comparison): Properly canonicalize
1870         tree offset and HOST_WIDE_INT bit position.
1871
1872 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1873
1874         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1875         operands for extzv pattern.
1876
1877 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1878
1879         PR bootstrap/51725
1880         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1881         on mem_elt first.
1882
1883 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1884
1885         * doc/invoke.texi (-flto and related options): Copy-edit.
1886
1887 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1888
1889         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1890
1891 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1892
1893         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1894         New patterns.
1895
1896 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1897
1898         * expr.h (move_by_pieces_ninsns): Declare.
1899         * expr.c (move_by_pieces_ninsns): Make external.
1900         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1901         (mips_store_by_pieces_p): Likewise.
1902         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1903         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1904         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1905         (mips_store_by_pieces_p): Likewise.
1906
1907 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1908
1909         * passes.c (register_one_dump_file): Free full_name.
1910
1911         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1912         (calculate_elim_costs_all_insns): Free offsets_at and
1913         offsets_known_at at the end and clear the pointers.
1914
1915 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1916
1917         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1918         this option introduced in r180739.
1919
1920 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1921
1922         PR target/51345
1923         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1924         (tmake_file target=avr): Add avr/t-multilib.
1925
1926         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1927         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1928         * config/avr/genmultilib.awk: New file.
1929         * config/avr/t-multilib: New auto-generated file.
1930         * config/avr/multilib.h: New auto-generated file.
1931         * config/avr/t-avr (AVR_MCUS): New variable.
1932         (genopt.sh): Use it.
1933         (s-mlib): Depend on t-multilib.
1934         (t-multilib, multilib.h): New dependencies.
1935         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1936         (MULTILIB_OPTIONS): Remove.
1937         (MULTILIB_MATCHES): Remove.
1938         (MULTILIB_DIRNAMES): Remove.
1939         (MULTILIB_EXCEPTIONS): Remove:
1940         * config/avr/genopt.sh: Don't use hard coded file name;
1941         pass AVR_MCUS from t-avr instead.
1942
1943 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1944
1945         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1946
1947 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1948
1949         Implement light-weight DImode support.
1950         * config/avr/avr-dimode.md: New file.
1951         * config/avr/avr.md: Include it.
1952         (adjust_len): Add plus64, compare64.
1953         (HIDI): Remove code iterator.
1954         (code_stdname): New code attribute.
1955         (rotx, rotsmode): Remove DI.
1956         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1957         as code iterator.
1958         * config/avr/avr-protos.h (avr_have_dimode): New.
1959         (avr_out_plus64, avr_out_compare64): New.
1960         * config/avr/avr.c (avr_out_compare): Handle DImode.
1961         (avr_have_dimode): New variable definition and initialization.
1962         (avr_out_compare64, avr_out_plus64): New functions.
1963         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1964         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1965         (avr_compare_pattern): Skip DImode comparisons.
1966
1967 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1968
1969         * ddg.c (def_has_ccmode_p): New function.
1970         (add_cross_iteration_register_deps,
1971         create_ddg_dep_from_intra_loop_link): Call it.
1972
1973 2012-01-02  Richard Guenther  <rguenther@suse.de>
1974
1975         PR other/51679
1976         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1977
1978 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1979
1980         * gcc.c (process_command): Update copyright notice dates.
1981         * gcov.c (print_version): Likewise.
1982         * gcov-dump.c (print_version): Likewise.
1983         * mips-tfile.c (main): Likewise.
1984         * mips-tdump.c (main): Likewise.
1985
1986 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1987
1988         PR tree-optimization/51704
1989         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1990         a use is inside the basic block or loop before accessing its vect info.
1991
1992 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1993
1994         PR rtl-optimization/51069
1995         * cfgloopmanip.c (remove_path): Removing path making irreducible
1996         region unconditional makes BB part of the region.
1997
1998 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1999
2000         PR tree-optimization/51683
2001         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2002         calls with side-effects.
2003         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2004 \f
2005 Copyright (C) 2012 Free Software Foundation, Inc.
2006
2007 Copying and distribution of this file, with or without modification,
2008 are permitted in any medium without royalty provided the copyright
2009 notice and this notice are preserved.