OSDN Git Service

PR middle-end/54486
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
2
3         PR middle-end/54486
4         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
5         build_int_cst with size_type_node instead of size_int.
6
7 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
8
9         Backport from 2012-09-05 mainline r190697.
10         
11         PR target/54461
12         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
13         configured --with-avrlibc.
14         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
15         --with-avrlibc.
16         * config/avr/avrlibc.h: New file.
17         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
18         configured --with-avrlibc.
19         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
20
21 2012-09-05  Bin Cheng  <bin.cheng@arm.com>
22
23         Backport from 2012-09-04 mainline r190919
24
25         PR target/45070
26         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value of size
27         less than 4 bytes by using macro ARM_NUM_INTS.
28         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
29
30 2012-09-04  Richard Henderson  <rth@redhat.com>
31
32         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
33
34 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
35
36         Backport from 2012-09-04 mainline r190920
37
38         PR target/54476
39         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with
40         SImode.
41
42 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
43
44         Backport from 2012-09-04 mainline r190914
45
46         PR target/54220
47         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
48         define to...
49         (avr_allocate_stack_slots_for_args): ...this new static function.
50
51 2012-09-03  H.J. Lu  <hongjiu.lu@intel.com>
52
53         Backported from mainline
54         2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
55
56         PR driver/54335
57         * doc/invoke.texi: Add -da and remove -dm.
58
59 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
60
61         Backported from mainline
62         2012-09-01  Jakub Jelinek  <jakub@redhat.com>
63
64         PR target/54436
65         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
66         operands[1] is CONST_INT_P, convert it to QImode before printing.
67
68         2012-08-31  Jakub Jelinek  <jakub@redhat.com>
69
70         PR c/54428
71         * c-convert.c (convert): Don't call fold_convert_loc if
72         TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
73         is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
74         COMPLEX_TYPE -> COMPLEX_TYPE conversion.
75
76         2012-08-24  Jakub Jelinek  <jakub@redhat.com>
77
78         PR c/54363
79         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
80         if init is a CONSTRUCTOR.
81
82 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
83
84         PR rtl-optimization/54369
85         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
86         calling dbr_schedule.
87         * config/sparc/sparc.c (sparc_reorg): Likewise.
88
89 2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>
90
91         Backport from mainline
92         2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>
93
94         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
95         case for Atom processor.
96
97 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
98
99         Backport from mainline
100         2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
101
102         PR target/46254
103         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
104         true for TARGET_64BIT or !flag_pic.
105         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
106         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
107         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
108         Add insn constraint.  Conditionally emit xchg asm insns.
109         (atomic_compare_and_swap<mode>): Update calls.  Check only
110         cmpxchg8b_pic_memory_operand in memory address fixup.
111         (DCASMODE): Remove.
112         (CASHMODE): Rename from DCASHMODE.
113         (doublemodesuffix): Update modes.
114         (regprefix): New mode attribute.
115
116         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
117         <UNSPECV_CMPXCHG>: New constant.
118         (atomic_compare_and_swap<mode>_1): Rename from
119         atomic_compare_and_swap_single<mode>.  Update calls and
120         unspec_volatile constants.
121         (atomic_compare_and_swap<mode>_doubleword): Rename from
122         atomic_compare_and_swap_double<mode>.  Update calls and
123         unspec_volatile constants.
124
125 2012-08-28  Walter Lee  <walt@tilera.com>
126
127         Backport from mainline
128         2012-08-28  Walter Lee  <walt@tilera.com>
129
130         * confg/tilegx/tilegx.md: Fix code style.
131         (*zero_extendsidi_truncdisi): Fix typo.
132         * config/tilegx/tilegx.c: Fix code style.
133         (tilegx_function_profiler): Fix typo.
134
135 2012-08-27  Walter Lee  <walt@tilera.com>
136
137         Backport from mainline
138         2012-08-27  Walter Lee  <walt@tilera.com>
139
140         * doc/md.texi (TILE-Gx): Fix typo.
141
142 2012-08-27  Walter Lee  <walt@tilera.com>
143
144         Backport from mainline
145         2012-08-27  Walter Lee  <walt@tilera.com>
146
147         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
148         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
149
150 2012-08-27  Walter Lee  <walt@tilera.com>
151
152         Backport from mainline
153         2012-08-27  Walter Lee  <walt@tilera.com>
154
155         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
156         (insn_bfins): Delete.
157
158 2012-08-27  Walter Lee  <walt@tilera.com>
159
160         Backport from mainline
161         2012-08-27  Walter Lee  <walt@tilera.com>
162
163         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
164         atomic_exchange_bare<mode>,
165         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
166         * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
167         * config/tilegx/tilegx.md (type): Add X1_remove.
168         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
169         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
170         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
171         X1_remote.
172
173 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
174
175         PR rtl-optimization/54088
176         * jump.c (delete_related_insns): Robustify latest change.
177
178 2012-08-21  Richard Guenther  <rguenther@suse.de>
179
180         Backport from mainline
181         2012-08-16  Richard Guenther  <rguenther@suse.de>
182
183         PR middle-end/54146
184         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
185         exit vector.
186         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
187         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
188         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
189         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
190         (tree_ssa_lim_finalize): Free all mem_refs.
191         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
192         scc when bailing out.
193         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
194         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
195         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
196         FOR_EACH_LOOP_BREAK.
197
198         2012-08-17  Richard Guenther  <rguenther@suse.de>
199
200         * tree-sra.c (modify_function): Free redirect_callers vector.
201         * ipa-split.c (split_function): Free args_to_pass vector.
202         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
203         vec_oprnds.
204         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
205         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
206         (vect_analyze_slp_instance): Free everything.
207         (destroy_bb_vec_info): Free the SLP instances.
208
209         2012-08-17  Richard Guenther  <rguenther@suse.de>
210
211         * params.def (integer-share-limit): Decrease from 256 to 251,
212         add rationale.
213
214         2012-08-21  Richard Guenther  <rguenther@suse.de>
215
216         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
217         the affine expansion cache.
218
219 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
220
221         Backported from trunk
222         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
223
224         PR middle-end/53992
225         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
226
227 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
228
229         Backport from mainline.
230         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
231
232         PR target/54212
233         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
234         mark as predicable. Adjust asm template.
235         (vec_setv2di_internal): Likewise.
236         (vec_extract<mode> VD, VQ): Likewise.
237         (vec_extractv2di): Likewise.
238         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
239         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
240         (neon_vdup_n<mode> VX, V32): Likewise.
241         (neon_vdup_nv2di): Likewise.
242
243 2012-08-17  Walter Lee  <walt@tilera.com>
244
245         Backport from mainline
246         2012-08-17  Walter Lee  <walt@tilera.com>
247
248         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
249         (FEEDBACK_ENTER): Define.
250         (FEEDBACK_REENTER): Define.
251         (FEEDBACK_ENTRY): Define.
252         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
253         (FEEDBACK_ENTER): Define.
254         (FEEDBACK_REENTER): Define.
255         (FEEDBACK_ENTRY): Define.
256
257 2012-08-16  Walter Lee  <walt@tilera.com>
258
259         Backport from mainline
260         2012-08-16  Walter Lee  <walt@tilera.com>
261
262         * config.gcc (tilegx-*-linux*): Add feedback.h.
263         (tilepro-*-linux*): Likewise.
264         * config/tilegx/feedback.h: New file.
265         * config/tilepro/feedback.h: New file.
266
267 2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>
268
269         Backport from mainline r189840 and r187586:
270         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
271
272         * config/i386/i386.md (stack_protect_set): Disable the pattern
273         for Android since Android libc (bionic) does not provide random
274         value for stack protection guard at gs:0x14. Guard value
275         will be provided from external symbol (default implementation).
276         (stack_protect_set_<mode>): Likewise.
277         (stack_protect_test): Likewise.
278         (stack_protect_test_<mode>): Likewise.
279         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
280         not have Bionic by default
281         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
282         Macro OPTION_BIONIC is defined in this file and provides Bionic
283         accessibility status
284
285         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
286
287         * configure.ac: Stack protector enabling for Android targets.
288         * configure: Regenerate.
289
290 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
291
292         Backported from trunk
293         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
294
295         PR rtl-optimization/53942
296         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
297         directly from likely spilled non-fixed hard registers, move them
298         to pseudo first.
299
300 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
301
302         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
303         (xop_phaddubq): Ditto.
304
305 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
306
307         Backport from mainline
308         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
309                     Richard Earnshaw  <rearnsha@arm.com>
310
311         * target.def (vector_alignment): New target hook.
312         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
313         * doc/tm.texi: Regenerate.
314         * targhooks.c (default_vector_alignment): New function.
315         * targhooks.h (default_vector_alignment): Add prototype.
316         * stor-layout.c (layout_type): Use targetm.vector_alignment.
317         * config/arm/arm.c (arm_vector_alignment): New function.
318         (TARGET_VECTOR_ALIGNMENT): Define.
319
320         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
321         vector type alignment instead of size.
322         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
323         element type size directly instead of computing it from alignment.
324         Fix variable naming and comment.
325
326 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
327
328         Backport from mainline
329         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
330
331         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
332         (alpha_pad_function_end): ... this.  Also insert NOP between
333         sibling call and GP load.
334         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
335
336 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
337
338         Backport from mainline
339         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
340                     H.J. Lu  <hongjiu.lu@intel.com>
341
342         PR rtl-optimization/54157
343         * combine.c (gen_lowpart_for_combine): Don't return identity
344         for CONST or symbolic reference.
345
346 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
347
348         Backport from mainline
349         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
350
351         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
352         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
353         split_cost argument signed.
354         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
355         (ix86_avoid_lea_for_addr): Ditto.
356
357         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
358
359         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
360         the address has less than two components.
361
362 2012-08-02  Steve Ellcey  <sellcey@mips.com>
363
364         Backport from mainline
365         2012-07-19  Steve Ellcey  <sellcey@mips.com>
366
367         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
368         MIPS16 mode.
369
370 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
371
372         Backport from mainline
373         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
374
375         PR target/53961
376         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
377         negative constant address for TARGET_X32 ...
378         (ix86_decompose_address): ... here.  Reject constant addresses
379         that don't satisfy x86_64_immediate_operand predicate.
380
381         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
382
383         PR target/53961
384         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
385         * config/i386/i386.c (ix86_print_operand_address): Ditto.
386         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
387         addresses.  Prevent zero extensions of CONST_INT operands.
388
389         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
390
391         PR target/53961
392         * config/i386/i386.md (*lea): New insn pattern.
393         (*lea_1): Remove.
394         (*lea<mode>_2): Ditto.
395         (*lea_{3,4,5,6}_zext): Ditto.
396         * config/i386/predicates.md (lea_address_operand): Do not reject
397         zero-extended address operands.
398         * config/i386/constraints.md (j): Remove address constraint.
399         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
400         of an address.
401         (ix86_print_operand_address): Handle SImode subreg of an address.
402         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
403
404 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
405
406         Backport from mainline
407         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
408
409         PR target/52530
410         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
411         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
412         to set code to 'q'.
413         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
414         (*movdi_internal_rex64): Use %E operand modifier for lea.
415         (*movsi_internal): Ditto.
416         (*lea_1): Ditto.
417         (*lea<mode>_2): Ditto.
418         (*lea_{3,4,5,6}_zext): Ditto.
419         (*tls_global_dynamic_32_gnu): Ditto.
420         (*tls_global_dynamic_64): Ditto.
421         (*tls_dynamic_gnu2_lea_32): Ditto.
422         (*tls_dynamic_gnu2_lea_64): Ditto.
423         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
424
425 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
426
427         Backport from mainline
428         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
429
430         * config/i386/i386.c (ix86_address_subreg_operand): Reject
431         stack pointer.
432         (ix86_print_operand_address): Assert that parts.base and parts.index
433         are non-NULL after call to simplify_subreg.
434
435 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
436
437         PR target/33135
438         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
439         description.
440         * config/sh/sh.c (sh_option_override): Do not change
441         flag_finite_math_only.  Set TARGET_IEEE to complement of
442         flag_finite_math_only.
443         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
444         description of mieee and mno-ieee behavior.
445
446 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
447
448         PR target/53877
449         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
450         (_lzcnt_u64): Ditto.
451
452 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
453
454         Backport from mainline
455         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
456
457         PR rtl-optimization/52250
458         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
459         to put note list into.  Unconditionally call move_bb_info.
460         (move_bb_info): Do not assert the blocks being in the same region,
461         just drop the note list if they are not.
462
463 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
464
465         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
466
467 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
468
469         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
470         defining statement is a SSA name that occurs in abnormal PHIs.
471
472 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
473
474         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
475         conversions.
476
477 2012-07-19  Richard Guenther  <rguenther@suse.de>
478             Eric Botcazou  <ebotcazou@adacore.com>
479
480         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
481         about transition from invariant to known bits.
482         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
483
484 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
485
486         PR middle-end/54017
487         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
488         (cleanup_tree_cfg_bb): Don't call it.
489         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
490         handling.
491
492 2012-07-19  Christian Bruel  <christian.bruel@st.com>
493
494         PR target/54029
495         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
496
497 2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>
498
499         * config.gcc (v850-*-rtems*): New target.
500         * config/v850/rtems.h: New.
501         * config/v850/t-rtems: New.
502
503 2012-07-18  Nick Clifton  <nickc@redhat.com>
504
505         * doc/invoke.texi (ARM Options): Document -munaligned-access.
506
507 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
508
509         PR target/53961
510
511         Backport from mainline
512         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
513
514         PR target/53110
515         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
516         instead expand it as zero extension.
517
518 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
519
520         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
521         QImode and HImode splitters.  Use ix86_comparison_operator.
522         Explicitly match FLAGS_REG.
523         (DFmode cmove splitter): Explicitly match FLAGS_REG.
524
525 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
526             Steven Bosscher  <steven@gcc.gnu.org>
527             Bernd Schmidt  <bernds@codesourcery.com>
528
529         PR rtl-optimization/53908
530         * df-problems.c (can_move_insns_across): When doing
531         memory-reference book-keeping, handle call insns.
532
533 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
534
535         Backport from mainline
536         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
537
538         PR target/53811
539         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
540         sibcall_insn_operand.  Move it to a temporary register if not.
541
542         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
543
544         PR target/53853
545         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
546         emit PIC sequence for fnaddr symbol reference in advance.
547
548 2012-07-09  Jason Merrill  <jason@redhat.com>
549
550         PR c++/53882
551         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
552         (type_hash_eq): Likewise.
553
554         PR c++/53826
555         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
556
557 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
558
559         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
560         due to negative shift amount.
561
562 2012-07-06  Kai Tietz  <ktietz@redhat.com>
563
564         Backport from mainline.
565         PR bootstrap/52947
566         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
567         as "/mingw/include".
568
569 2012-07-06  Nick Clifton  <nickc@redhat.com>
570
571         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
572         default_encode_section_info.
573
574 2012-07-06  Richard Guenther  <rguenther@suse.de>
575
576         Backport from mainline
577         2012-03-30  Richard Guenther  <rguenther@suse.de>
578
579         PR middle-end/52786
580         * double-int.c (rshift_double): Remove not needed cast.
581
582         2012-03-28  Richard Guenther  <rguenther@suse.de>
583
584         PR middle-end/50708
585         * double-int.h (rshift_double): Remove.
586         * double-int.c (lshift_double): Use absu_hwi to make count
587         positive.
588         (rshift_double): Make static, take unsigned count argument,
589         remove handling of negative count argument.
590         (double_int_rshift): Dispatch to lshift_double.
591
592 2012-07-06  Richard Guenther  <rguenther@suse.de>
593
594         Backport from mainline
595         2012-06-18  Richard Guenther  <rguenther@suse.de>
596
597         PR tree-optimization/53693
598         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
599         Reject operands with more than one use.
600
601 2012-07-06  Richard Guenther  <rguenther@suse.de>
602
603         Backport from mainline
604         2012-04-11  Richard Guenther  <rguenther@suse.de>
605
606         PR middle-end/52621
607         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
608         consider loop nesting.
609         (evolution_function_is_univariate_p): Properly check the remainder
610         for chrecs.
611
612 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
613
614         Backport from mainline
615         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
616
617         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
618         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
619         (adjacent_mem_locations): Move some code to and call...
620         (get_memref_parts): ...new function.
621         (mem_locations_overlap): New function.
622         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
623         (is_mem_ref): Rename to...
624         (find_mem_ref): ...this. Return MEM rtx.
625         (get_store_dest): Remove function.
626         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
627         new parameter and adjust calls.
628         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
629         mem refs overlap for true_store_to_load_dep_costly.
630         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
631         passed to adjacent_mem_locations.
632         (is_costly_group): Walk resolved dependency list.
633         (force_new_group): Emit group ending nop for Power6/Power7.
634         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
635         (group_ending_nop): New define_insn.
636
637 2012-07-04  Richard Guenther  <rguenther@suse.de>
638
639         PR middle-end/53433
640         * gimple-fold.c (get_base_constructor): Do not return an
641         error_mark_node DECL_INITIAL.
642
643 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
644
645         Backport from mainline
646         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
647
648         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
649         code model string in the error message.
650
651 2012-07-04  Tristan Gingold  <gingold@adacore.com>
652
653         Backport from mainline.
654         2012-06-25  Tristan Gingold  <gingold@adacore.com>
655
656         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
657         (seh_cfa_adjust_cfa): ... that function.
658         (seh_emit_stackalloc): Do not emit out of range values.
659         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
660         UNSPEC_DEF_CFA constants.
661         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
662         * config/i386/i386.c (ix86_frame_pointer_required): Required
663         for very large frames on SEH target.
664         (ix86_compute_frame_layout): Save area is before frame pointer
665         on SEH target.  Handle very large frames.
666         (ix86_expand_prologue): Likewise.
667
668 2012-07-04  Richard Guenther  <rguenther@suse.de>
669
670         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
671         as in free_lang_data_in_type.
672
673 2012-07-02  Martin Jambor  <mjambor@suse.cz>
674
675         Backport from mainline.
676         2012-07-02  Martin Jambor  <mjambor@suse.cz>
677
678         PR middle-end/38474
679         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
680         dynamic type change check.
681
682 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
683
684         * tree-eh.c (lower_try_finally_switch): Really put the location of the
685         last statement of the finally block onto the switch.
686
687 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
688
689         * configure: Regenerate.
690
691         Backport from mainline.
692         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
693
694         * config.gcc (target_type_format_char): New. Document it. Set it for
695         arm*-*-* .
696         * configure.ac (gnu_unique_option): Use target_type_format_char
697         in test.  Comment rationale.
698
699 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
700
701         Backport from mainline.
702         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
703
704         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
705
706 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
707
708         Backport from 2012-06-28 mainline r189049
709
710         PR 53595
711         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
712         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
713         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
714         avr_hard_regno_call_part_clobbered.
715
716 2012-06-28  Richard Guenther  <rguenther@suse.de>
717
718         PR middle-end/53790
719         * expr.c (expand_expr_real_1): Verify if the type is complete
720         before inspecting its size.
721
722 2012-06-27  Nick Clifton  <nickc@redhat.com>
723
724         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
725         input operand.
726
727 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
728
729         PR debug/53682
730         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
731
732 2012-06-26  Nick Clifton  <nickc@redhat.com>
733
734         * config/rx/rx.md (simple_return): Use the simple_return rtx.
735
736 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
737
738         PR target/53759
739         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
740         of x x x in the vmovlps load alternative.
741
742 2012-06-22  Richard Guenther  <rguenther@suse.de>
743
744         * gcov-iov.c: Include bconfig.h and system.h.
745
746 2012-06-22  Richard Guenther  <rguenther@suse.de>
747
748         PR gcov-profile/53744
749         * gcov-iov.c (main): Treat "" and "prerelease" the same.
750
751 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
752
753         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
754         DECL_IGNORED_P non-reg vars even if they are used.
755
756 2012-06-19  Jason Merrill  <jason@redhat.com>
757
758         PR c++/52637
759         * dwarf2out.c (modified_type_die): Use scope_die_for.
760         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
761         (uses_local_type_r, uses_local_type): New.
762         (scope_die_for): Keep a type that uses a local type in local scope.
763         Use get_context_die for namespace and type scope.
764
765 2012-06-19  Richard Guenther  <rguenther@suse.de>
766
767         PR middle-end/53470
768         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
769         replace it with the first non-BLOCK context.
770
771 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
772
773         PR rtl-optimization/53700
774
775         Backport from mainline
776         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
777
778         * ira-color.c (setup_left_conflict_sizes_p): Process all
779         conflicting objects.
780
781 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
782
783         Backport from mainline
784         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
785
786         PR target/52908
787         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
788         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
789         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
790         instead of xop_mulv2div2di3_low.
791         (xop_p<macs>dql): Fix vec_select selector.
792         (xop_p<macs>dqh): Ditto.
793         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
794         (xop_mulv2div2di3_high): Ditto.
795
796 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
797
798         Backport from mainline:
799         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
800
801         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
802
803 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
804
805         Backport from mainline:
806         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
807
808         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
809         * config/pa/pa.c (pa_attr_length_millicode_call): Use
810         MAX_PCREL17F_OFFSET instead of fixed offset.
811         (pa_attr_length_call): Likewise.
812         (pa_attr_length_indirect_call): Likewise.
813
814 2012-06-15  Walter Lee  <walt@tilera.com>
815
816         Backport from mainline:
817         2012-06-15  Walter Lee  <walt@tilera.com>
818
819         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
820
821         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
822
823         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
824
825 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
826
827         Backport from mainline:
828
829         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
830         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
831         * gimple.h (block_in_transaction): Check for flag_tm.
832
833 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
834
835         PR tree-optimization/52558
836
837         Backport from mainline:
838         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
839         * gimple.h (gimple_set_in_transaction): Remove.
840         (gimple_in_transaction): Look in BB instead.
841         (gimple_statement_base): Remove in_transaction field.
842         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
843         * trans-mem.c (compute_transaction_bits): Place transaction bit
844         information into basic blocks.
845
846         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
847
848         PR tree-optimization/52558
849         * cfg.c (alloc_aux_for_edge): Fix comment.
850         (alloc_aux_for_edge): Remove static.
851         * basic-block.h (alloc_aux_for_edge): Protoize.
852         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
853         (execute_sm_if_changed_flag): New.
854         (execute_sm_if_changed_flag_set): New.
855         (execute_sm): Do not generate data races unless requested.
856         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
857         (tree_ssa_lim_finalize): Call free_aux_for_edges.
858         * gimple.h (block_in_transaction): New.
859         (gimple_in_transaction): Use block_in_transaction.
860
861 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
862
863         Backported from mainline
864         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
865
866         PR rtl-optimization/53589
867         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
868         discovery even when e->dest != target.  If any LABEL_REF points
869         to e->dest label, redirect it to target's label.
870
871         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
872
873         PR middle-end/53580
874         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
875         returns false, replace stmt with GIMPLE_NOP.
876         (check_omp_nesting_restrictions): Instead of issuing warnings,
877         issue errors and return false if any errors were reported.
878
879 2012-06-14  Richard Guenther  <rguenther@suse.de>
880
881         * BASE-VER: Set to 4.7.2.
882         * DEV-PHASE: Set to prerelease.
883
884 2012-06-12  Christian Bruel  <christian.bruel@st.com>
885
886         PR target/53621
887         * config/sh/sh.c (sh_option_override): Don't force
888          flag_omit_frame_pointer and maccumulate_outgoing_args.
889         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
890
891 2012-06-14  Release Manager
892
893         * GCC 4.7.1 released.
894
895 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
896
897         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
898
899 2012-06-13  Richard Henderson  <rth@redhat.com>
900
901         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
902         iterator instead of INT.
903
904 2012-06-08  Richard Henderson  <rth@redhat.com>
905
906         PR c++/53602
907         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
908         note to a clobber insn when no other insn is available.
909
910 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
911
912         PR c++/53524
913         * doc/invoke.texi (Wenum-compare): Update documentation.
914
915 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
916
917         PR target/53559
918         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
919         operands.
920         (altivec_stvlxl): Ditto.
921         (altivec_stvrx): Ditto.
922         (altivec_stvrxl): Ditto.
923
924 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
925
926         PR middle-end/47530
927         * trans-mem.c (expand_block_edges): Do not skip the first
928         statement when resetting the BB.
929
930 2012-06-04  Richard Guenther  <rguenther@suse.de>
931
932         PR middle-end/53471
933         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
934         create new assembler names.
935
936 2012-06-04  Richard Guenther  <rguenther@suse.de>
937
938         Backport from mainline
939         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
940
941         PR middle-end/52979
942         * stor-layout.c (get_best_mode): Don't return mode with bitsize
943         larger than maxbits.  Don't compute maxbits modulo align.
944         Also check that unit bytes long store at bitpos / unit * unit
945         doesn't affect bits beyond bitregion_end.
946         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
947         would not fit into bitregion_start ... bitregion_end + 1 bit
948         region.
949         (store_split_bit_field): Decrease unit close to end of bitregion_end
950         if access is restricted in order to avoid mutual recursion.
951
952 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
953
954         Backport from 2012-06-04 mainline r188172
955
956         PR target/46261
957         * config/avr/avr-stdint.h: New file.
958         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
959         newlib-stdint.h
960
961 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
962
963         PR tree-optimization/53550
964         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
965         is POINTER_TYPE_P, use sizetype as step type instead of type.
966
967 2012-06-04  Richard Guenther  <rguenther@suse.de>
968             Eric Botcazou  <ebotcazou@adacore.com>
969
970         Backport from mainline
971         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
972
973         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
974         Change type of BITOFFSET to signed.  Make sure the lower bound of
975         the computed range is non-negative by adjusting OFFSET and BITPOS.
976         (expand_assignment): Adjust call to get_bit_range.
977
978         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
979
980         * expr.c (get_bit_range): Return the null range if the enclosing record
981         is part of a larger bit field.
982
983         2012-03-20  Richard Guenther  <rguenther@suse.de>
984
985         * stor-layout.c (finish_bitfield_representative): Fallback
986         to conservative maximum size if the padding up to the next
987         field cannot be computed as a constant.
988         (finish_bitfield_layout): If we cannot compute the distance
989         between the start of the bitfield representative and the
990         bitfield member start a new representative.
991         * expr.c (get_bit_range): The distance between the start of
992         the bitfield representative and the bitfield member is zero
993         if the field offsets are not constants.
994
995         2012-03-16  Richard Guenther  <rguenther@suse.de>
996
997         * stor-layout.c (finish_bitfield_representative): Fall back
998         to the conservative maximum size if we cannot compute the
999         size of the tail padding.
1000
1001         2012-03-14  Richard Guenther  <rguenther@suse.de>
1002
1003         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1004         * stor-layout.c (start_bitfield_representative): New function.
1005         (finish_bitfield_representative): Likewise.
1006         (finish_bitfield_layout): Likewise.
1007         (finish_record_layout): Call finish_bitfield_layout.
1008         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1009         for QUAL_UNION_TYPE fields.
1010         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1011         Stream DECL_BIT_FIELD_REPRESENTATIVE.
1012         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1013
1014         PR middle-end/52080
1015         PR middle-end/52097
1016         PR middle-end/48124
1017         * expr.c (get_bit_range): Unconditionally extract bitrange
1018         from DECL_BIT_FIELD_REPRESENTATIVE.
1019         (expand_assignment): Adjust call to get_bit_range.
1020
1021 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1022
1023         PR middle-end/53501
1024         * fold-const.c (fold_binary_loc): Refine previous change.
1025
1026 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1027
1028         Backport from mainline
1029         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
1030
1031         PR target/52667
1032         * config/sh/sh.c (find_barrier): Add equality check of last_got to
1033         avoid going above orig insn.  Update comments.
1034
1035 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1036
1037         Backport from mainline
1038         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1039
1040         PR target/52642
1041         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1042         prologue for unwinder and profiler.
1043
1044 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1045
1046         Backport from mainline
1047         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1048
1049         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1050
1051 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1052
1053         Backport from mainline
1054         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1055
1056         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1057         DBX_REGISTER_NUMBER.
1058
1059 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1060
1061         Backport from mainline
1062         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1063
1064         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1065         operand is CONST_INT.  Take COSTS_N_INSNS into account.
1066         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1067         shiftcosts.     
1068
1069 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1070
1071         * config/avr/avr.opt (-msp8): Document it.
1072         * doc/invoke.texi (AVR Options): Copy from trunk docu.
1073
1074 2012-05-31  Richard Guenther  <rguenther@suse.de>
1075
1076         PR middle-end/48493
1077         * expr.c (expand_assignment): Do not use movmisalign on
1078         non-memory.
1079
1080 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1081
1082         PR target/52999
1083         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1084         (pa_section_type_flags): New.
1085         (pa_legitimate_constant_p): Revert previous change.
1086
1087 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
1088
1089         Backport from mainline
1090         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
1091
1092         PR middle-end/53008
1093         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1094         accessed indirectly.
1095         (ipa_tm_create_version): Same.
1096
1097 2012-05-30  Jason Merrill  <jason@redhat.com>
1098
1099         PR c++/53220
1100         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1101         about array compound literals.
1102
1103 2012-05-30  Richard Guenther  <rguenther@suse.de>
1104
1105         PR middle-end/53501
1106         * fold-const.c (fold_binary_loc): Make sure to call
1107         fold_plusminus_mult_expr with the original sign of operands.
1108
1109 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1110
1111         * explow.c (probe_stack_range): Restore simple control flow and stop
1112         again when the probe cannot be generated if HAVE_check_stack.
1113
1114 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
1115
1116         PR rtl-optimization/53519
1117         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1118         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1119
1120 2012-05-29  Richard Guenther  <rguenther@suse.de>
1121
1122         PR tree-optimization/53516
1123         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1124         bitfield accesses.
1125         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1126
1127 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1128
1129         Backport from mainline
1130         2012-05-28  Richard Guenther  <rguenther@suse.de>
1131
1132         PR tree-optimization/53438
1133         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1134
1135 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1136
1137         Backport from mainline
1138         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1139
1140         PR rtl-optimization/52528
1141         * combine.c (can_combine_p): Add setting of subst_low_luid
1142         before call to expand_field_assignment().
1143
1144 2012-05-26  Martin Jambor  <mjambor@suse.cz>
1145
1146         Backport from mainline
1147         2012-05-23  Martin Jambor  <mjambor@suse.cz>
1148
1149         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1150
1151 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1152
1153         PR lto/52178
1154         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1155         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1156
1157 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1158
1159         PR target/53435
1160         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1161         (ix86_expand_vec_perm): Use int mode instead of float.
1162
1163 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1164
1165         PR ada/52362
1166         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1167         gnu_ld variables to yes.
1168         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1169         (HAVE_GNU_AS): Likewise.
1170         * config.in: Regenerate.
1171         * configure: Likewise.
1172
1173 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1174
1175         Backport from mainline
1176         2012-03-12  Richard Guenther  <rguenther@suse.de>
1177         * config/arm/arm.c (neon_dereference_pointer): Do not call
1178         covert during RTL expansion.
1179
1180 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1181
1182         Backport from mainline
1183         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1184
1185         PR target/53385
1186         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1187         relied on signed overflow behavior.
1188
1189 2012-05-24  Richard Guenther  <rguenther@suse.de>
1190
1191         PR middle-end/53460
1192         * tree-profile.c (tree_profiling): Cleanup the CFG if
1193         execute_fixup_cfg requests it.
1194
1195 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1196
1197         PR tree-optimization/53465
1198         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1199         vr0 into *vr, then vrp_meet that.
1200         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1201         have any equivalences.
1202         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1203         first time.
1204
1205 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1206
1207         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1208         size handling.
1209         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1210         (iterative_hash_gimple_type): Adjust comment.
1211         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1212         domain for an array type instead of the domain type itself.
1213
1214 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1215
1216         Backport from 2012-05-23 mainline r187803
1217
1218         PR target/53448
1219         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1220         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1221         ASM_OUTPUT_ALIGN.
1222
1223 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1224
1225         Backport from 2012-05-03 mainline r187075
1226
1227         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1228         has_fma4 for AMD processors with both fma3 and fma4 support.
1229
1230 2012-05-22  Richard Guenther  <rguenther@suse.de>
1231
1232         PR tree-optimization/53408
1233         * tree-vect-loop.c (vectorizable_induction): Properly check
1234         the restriction that we cannot handle induction results from
1235         the inner loop outside of the outer loop.
1236
1237 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1238
1239         PR tree-optimization/53436
1240         * omp-low.c (omp_build_component_ref): New function.
1241         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1242
1243         PR tree-optimization/53366
1244         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1245         tests if complex_numbers == 2, but there are non-complex number loads
1246         too.
1247
1248         PR tree-optimization/53409
1249         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1250         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1251
1252         PR tree-optimization/53410
1253         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1254         instead of build_int_cst (type, 0) where vector types might be
1255         involved.
1256
1257 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1258
1259         PR c/53418
1260         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1261         from folded operands before wrapping another around the
1262         conditional expression.
1263
1264 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
1265             Patrick Marlier  <patrick.marlier@gmail.com>
1266
1267         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1268         indirect calls.
1269
1270 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1271
1272         Backport from mainline
1273         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1274
1275         PR target/53416
1276         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1277         (UNSPECV_RDRAND): This.
1278         (rdrand<mode>_1): Updated.
1279
1280 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1281
1282         Backport from mainline
1283         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1284
1285         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1286         RDRND, F16C and FSGSBASE.
1287
1288 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1289
1290         Backport from mainline
1291         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1292
1293         * tree-ssa-pre.c (can_value_number_call): Delete.
1294         (compute_avail): Skip all statements with side effects.
1295         <GIMPLE_CALL>: Skip calls to internal functions.
1296
1297 2012-05-18  David S. Miller  <davem@davemloft.net>
1298
1299         Backport r185385 from mainline
1300         2012-03-14  Richard Guenther  <rguenther@suse.de>
1301
1302         PR middle-end/52584
1303         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1304         element type instead of mode, use build_vector_type_for_mode
1305         instead of the langhook, build a vector of proper signedness.
1306         (expand_vector_operations_1): Adjust.
1307
1308 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1309
1310         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1311         $(libsubdir) as libexecsubdir.
1312
1313 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1314
1315         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1316         GIMPLE_ASSIGN.
1317
1318 2012-05-16  David S. Miller  <davem@davemloft.net>
1319
1320         * jump.c (delete_related_insns): If we remove a CALL, make sure
1321         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1322
1323 2012-05-16  Richard Henderson  <rth@redhat.com>
1324
1325         PR debug/52727
1326         * combine-stack-adj.c (prev_active_insn_bb): New.
1327         (next_active_insn_bb): New.
1328         (force_move_args_size_note): New.
1329         (combine_stack_adjustments_for_block): Use it.
1330
1331 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1332
1333         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1334         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1335         Add comments and improve stamp preservation across the whole sequence.
1336         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1337
1338 2012-05-16  Richard Guenther  <rguenther@suse.de>
1339
1340         PR tree-optimization/53364
1341         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1342         detect a view-conversion of the decl.
1343
1344 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1345
1346         PR target/53358
1347         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1348         that operands[2] is either immediate, or q_regs_operand.
1349
1350 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1351
1352         Backport r187139 from mainline.
1353         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1354
1355         PR rtl-optimization/52804
1356         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1357         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1358         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1359         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1360         RELOAD_FOR_OUTADDR_ADDRESS.
1361
1362 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1363
1364         PR target/46098
1365         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1366         generate target register for "load" class builtins.
1367
1368         Revert:
1369         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1370
1371         PR target/46098
1372         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1373         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1374         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1375         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1376         (<sse>_movu<ssemodesuffix>): New expander.
1377         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1378         (avx_movdqu<avxmodesuffix>): New expander.
1379         (*sse2_movdqu): Rename from sse2_movdqu.
1380         (sse2_movdqu): New expander.
1381
1382 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1383
1384         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1385         lineno 1 the same as lineno 0 before first start file directive.
1386         (optimize_macinfo_range): Likewise.
1387
1388         * dwarf2out.c (have_macinfo): Define.
1389         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1390         attribute, don't force empty compilation unit and don't emit any
1391         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1392
1393 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1394
1395         Backport from mainline
1396         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1397
1398         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1399         ORDERED and UNORDERED conditions.
1400
1401 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1402
1403         * function.c (requires_stack_frame_p): If the function can throw
1404         non-call exceptions, return true if the insn can throw internally.
1405
1406 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1407
1408         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1409         DECL_ORIGINAL_TYPE if it is present.
1410
1411 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1412
1413         Backport from 2012-05-12 mainline r187342.
1414
1415         PR target/53256
1416         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1417         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1418         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1419         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1420         (expand_prologue): Move initialization of cfun->machine->is_naked,
1421         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1422         (avr_set_current_function): ...this new static function.
1423         (TARGET_SET_CURRENT_FUNCTION): New define.
1424         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1425         checking attributes of current_function_decl.
1426         (avr_regs_to_save): Ditto.
1427         (signal_function_p): Rename to avr_signal_function_p.
1428         (interrupt_function_p): Rename to avr_interrupt_function_p.
1429
1430         * doc/extend.texi (Function Attributes): Better explanation of
1431         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1432         alphabetical order.
1433
1434 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1435
1436         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1437
1438 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1439
1440         PR target/53272
1441         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1442         when a constant source operand matches an "I" constraint, the "no
1443         CC0 change" applies to a register-destination only, not a
1444         strict_low_part-destination.
1445
1446 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1447
1448         Backport from mainline:
1449         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1450
1451         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1452
1453 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1454
1455         PR tree-optimization/53239
1456         * tree-vrp.c (get_value_range): Set VR of
1457         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1458         to nonnull.
1459
1460 2012-05-07  Richard Guenther  <rguenther@suse.de>
1461
1462         PR tree-optimization/53195
1463         * tree-inline.c (setup_one_parameter): Properly add referenced
1464         vars from the parameters new known value.
1465
1466 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1467
1468         Backport from mainline:
1469         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1470
1471         PR target/52999
1472         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1473         in constant pool.
1474
1475 2012-05-04  Ian Lance Taylor  <iant@google.com>
1476
1477         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1478         values from false to NULL.
1479
1480 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1481
1482         Backport from mainline
1483         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1484
1485         PR target/53228
1486         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1487         (TARGET_CMOV): Rename from TARGET_CMOVE.
1488         (TARGET_CMOVE): New define.
1489         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1490         Do not set TARGET_CMOVE here.
1491
1492 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1493
1494         Backport from mainline:
1495
1496         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1497
1498         PR tree-optimization/52633
1499         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1500         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1501         (vect_recog_over_widening_pattern): Remove handling of code that was
1502         already detected as over-widening pattern.  Remove special handling
1503         of "unsigned" cases.  Instead, support general case of conversion
1504         of the shift result to another type.
1505
1506         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1507
1508         * tree-vect-patterns.c (vect_single_imm_use): New function.
1509         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1510         (vect_recog_over_widening_pattern): Likewise.
1511         (vect_recog_widen_shift_pattern): Likewise.
1512
1513         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1514
1515         PR tree-optimization/52870
1516         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1517         presumed pattern statement is within the same loop or basic block.
1518
1519 2012-05-04  Richard Guenther  <rguenther@suse.de>
1520
1521         * common.opt (flto-report): Do not mark as Optimization.
1522
1523 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1524
1525         PR target/48496
1526         * recog.c (constrain_operands): If extra constraints are present, also
1527         accept pseudo-registers with equivalent memory locations during reload.
1528
1529 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1530
1531         Backport from the mainline
1532         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1533
1534         PR target/53199
1535         * config/rs6000/rs6000.md (bswapdi splitters): If
1536         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1537         default) is used, generate an alternate sequence that does not
1538         depend on using indexed addressing.
1539
1540 2012-05-03  David S. Miller  <davem@davemloft.net>
1541
1542         PR target/52684
1543         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1544         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1545         (sparc_emit_float_lib_cmp): Likewise.
1546
1547 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1548
1549         Backport from mainline
1550         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1551
1552         PR lto/52605
1553         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1554         of a variable when the contect is a function.
1555
1556 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1557
1558         PR plugins/53126
1559         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1560         append program name to it and pass that as first argument
1561         to make_relative_prefix.  Always pass standard_libexec_prefix
1562         as last argument to make_relative_prefix.  If
1563         make_relative_prefix returns NULL, fall back to
1564         standard_libexec_prefix.
1565
1566         PR debug/53174
1567         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1568         removed.
1569
1570         PR target/53187
1571         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1572         mode, return that mode.
1573
1574 2012-05-03  Richard Guenther  <rguenther@suse.de>
1575
1576         PR tree-optimization/53144
1577         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1578         Rename to ...
1579         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1580         with SSA name values.
1581         (vn_reference_lookup_3): Adjust callers.
1582
1583 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1584
1585         PR tree-optimization/53163
1586         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1587         return value from compute_all_dependences.
1588
1589         PR rtl-optimization/53160
1590         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1591         has been modified by ree pass already.
1592
1593 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1594
1595         Backport from mainline
1596         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1597
1598         PR middle-end/53136
1599         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1600         calls to cgraph_node_name in xstrdup.
1601         (ipa_make_edge_direct_to_target): Ditto.
1602         * tree-sra.c (convert_callers_for_node): Ditto.
1603         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1604         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1605         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1606         (cgraph_materialize_all_clones): Ditto.
1607         * ipa-inline.c (report_inline_failed_reason): Ditto.
1608         (want_early_inline_function_p): Ditto.
1609         (edge_badness): Ditto.
1610         (update_edge_key): Ditto.
1611         (flatten_function): Ditto.
1612         (ipa_inline): Ditto.
1613         (inline_always_inline_functions): Ditto.
1614         (early_inline_small_functions): Ditto.
1615
1616 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1617
1618         Backport from mainline
1619         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1620
1621         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1622         Introduce emul_name to select the right linker emulation for
1623         powerpc64-*-freebsd*.
1624         * configure: Regenerate.
1625         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1626         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1627         * config/rs6000/freebsd64.h: New file.
1628         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1629         POWERPC_FREEBSD.
1630         (rs6000_savres_strategy): Likewise.
1631         (rs6000_savres_routine_name): Likewise.
1632         (rs6000_elf_file_end): Likewise.
1633         * config/rs6000/t-freebsd64: New file.
1634         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1635         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1636
1637 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1638
1639         Backport from mainline
1640         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1641
1642         PR target/53138
1643         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1644
1645 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1646
1647         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1648         predicate to discriminate types.
1649
1650 2012-04-27  Richard Guenther  <rguenther@suse.de>
1651
1652         PR c/51527
1653         * convert.c (convert_to_integer): Avoid infinite recursion for
1654         target-defined built-in types.
1655
1656 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1657
1658         PR target/53120
1659         * config/cris/cris.md ("*andhi_lowpart_v32")
1660         ("*andqi_lowpart_v32"): Change first input-only operand from
1661         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1662         const_int-matching constraints for redundancy.
1663         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1664         three-operand alternative.
1665
1666 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1667
1668         Backport from mainline
1669         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1670
1671         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1672         (*addsi_2_zext): Ditto.
1673         (*add<mode>_3): Ditto.
1674         (*addsi_3_zext): Ditto.
1675         (*add<mode>_5): Ditto.
1676
1677 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1678
1679         PR c/52880
1680         * c-typeck.c (set_nonincremental_init,
1681         set_nonincremental_init_from_string): Pass true instead of false
1682         as IMPLICIT to add_pending_init.
1683
1684 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1685
1686         Backport from 2012-04-24 mainline r186768.
1687
1688         PR target/53065
1689         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1690
1691 2012-04-24  Richard Guenther  <rguenther@suse.de>
1692
1693         PR tree-optimization/53085
1694         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1695         stores.
1696
1697 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1698
1699         PR middle-end/53084
1700         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1701         of MEM_REF.
1702         (output_addressed_constants): Likewise.
1703
1704         PR middle-end/52999
1705         * varasm.c (get_section): Don't ICE for section conflicts with
1706         built-in section kinds.
1707
1708 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1709
1710         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1711
1712 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1713
1714         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1715
1716 2012-04-23  Richard Guenther  <rguenther@suse.de>
1717
1718         PR c/53060
1719         * c-typeck.c (build_binary_op): Fix typo.
1720
1721 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1722
1723         PR tree-optimizations/52891
1724         * tree-vect-patterns.c (adjust_bool_pattern): Use
1725         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1726         but with non-standard precision.
1727
1728 2012-04-22  Ian Lance Taylor  <iant@google.com>
1729
1730         * godump.c (go_output_typedef): Dump size of structs.
1731
1732 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1733
1734         Backport from mainline:
1735
1736         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1737         hints for 'A' operand types.
1738
1739 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1740
1741         Backport from 2012-04-19 mainline r186588.
1742
1743         PR target/53033
1744         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1745         the case *(X+const).
1746
1747 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1748
1749         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1750
1751 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1752
1753         PR target/53020
1754         * config/i386/sync.md (atomic_<code><mode>): Rename to
1755         atomic_<logic><mode>.
1756
1757 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1758
1759         Backport from mainline
1760         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1761
1762         PR target/52932
1763         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1764         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1765         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1766         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1767         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1768         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1769         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1770         gen_avx2_permvarv8sf.
1771
1772 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1773
1774         Backported from mainline
1775
1776         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1777         PR middle-end/52939
1778
1779         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1780         fold_ctor_reference returns a zero constant.
1781
1782 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1783
1784         Backported from mainline
1785         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1786
1787         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1788         and __ILP32__ for x32.
1789
1790 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1791
1792         Backport from mainline r186418.
1793
1794         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1795
1796         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1797         parameters vuse and vuse_escaped.
1798         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1799         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1800         vuse1 != vuse2.
1801
1802 2012-04-13  Richard Guenther  <rguenther@suse.de>
1803
1804         PR tree-optimization/52969
1805         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1806         the condition for the COND_EXPR and handle predicate negation
1807         by swapping the COND_EXPR arms.
1808
1809 2012-04-13  Richard Guenther  <rguenther@suse.de>
1810
1811         PR c/52862
1812         * convert.c (convert_to_pointer): Remove special-casing of
1813         zero.
1814
1815 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1816
1817         Backport from mainline
1818         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1819
1820         PR target/52775
1821         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1822         the list of options to enable the FCFID instruction.
1823         (TARGET_EXTRA_BUILTINS): Adjust comment.
1824
1825 2012-04-12  Richard Guenther  <rguenther@suse.de>
1826
1827         PR tree-optimization/52943
1828         * tree-chrec.h (chrec_is_positive): Remove.
1829         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1830         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1831         Return false for a constant zero instead of negative.
1832         (analyze_siv_subscript_cst_affine): Handle zero difference
1833         in the initial condition explicitely.
1834
1835 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1836
1837         PR middle-end/52894
1838         * varasm.c (process_pending_assemble_externals): Set
1839         pending_assemble_externals_processed true.
1840         (assemble_external): Call assemble_external_real if the pending
1841         assemble externals have been processed.
1842
1843 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1844
1845         PR target/52717
1846         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1847         the DECL generated for the special GOT helper.
1848
1849 2012-04-06  Walter Lee  <walt@tilera.com>
1850
1851         Backport from mainline
1852         2012-03-07  Walter Lee  <walt@tilera.com>
1853
1854         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1855         REG_CFA_* notes for the stack pointer.
1856         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1857         EH_RETURN_STACKADJ_RTX.
1858         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1859         generate REG_CFA_* notes for the stack pointer.
1860         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1861         by EH_RETURN_STACKADJ_RTX.
1862
1863 2012-04-06  Matt Turner  <mattst88@gmail.com>
1864
1865         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1866
1867 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1868
1869         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1870         of the destination isn't also a FP_REGS register.
1871
1872 2012-04-03  Richard Guenther  <rguenther@suse.de>
1873
1874         Backport from mainline
1875         2012-03-02  Richard Guenther  <rguenther@suse.de>
1876
1877         PR tree-optimization/52406
1878         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1879         (struct indices): Add unconstrained_base member.
1880         (struct dr_alias): Remove unused vops member.
1881         (DR_UNCONSTRAINED_BASE): New define.
1882         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1883         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1884         be an artificial access that covers the whole indexed object,
1885         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1886         plain decl base-objects to their MEM_REF variant.
1887         (dr_may_alias_p): When the base-object of either data reference
1888         has unknown size use only points-to information.
1889         (compute_affine_dependence): Make dumps easier to read and
1890         more verbose.
1891         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1892         DR_REF when looking for packed references.
1893         (vect_supportable_dr_alignment): Likewise.
1894
1895 2012-04-03  Richard Guenther  <rguenther@suse.de>
1896
1897         Backport from mainline
1898         2012-03-15  Richard Guenther  <rguenther@suse.de>
1899
1900         PR middle-end/52580
1901         * tree-data-ref.c (subscript_dependence_tester_1): Check
1902         all dimensions for non-conflicting access functions.
1903
1904 2012-04-03  Richard Guenther  <rguenther@suse.de>
1905
1906         Backport from mainline
1907         2012-03-06  Richard Guenther  <rguenther@suse.de>
1908
1909         PR middle-end/52493
1910         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1911
1912         2012-03-23  Richard Guenther  <rguenther@suse.de>
1913
1914         PR tree-optimization/52678
1915         * tree-vectorizer.h (struct _stmt_vec_info): Add
1916         loop_phi_evolution_part member.
1917         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1918         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1919         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1920         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1921         Use the cached evolution part and the PHI nodes value from
1922         the loop preheader edge instead of re-analyzing the evolution.
1923
1924         2012-03-26  Richard Guenther  <rguenther@suse.de>
1925
1926         PR tree-optimization/52701
1927         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1928         compute and set the evolution part of PHI nodes.
1929
1930         2012-03-30  Richard Guenther  <rguenther@suse.de>
1931
1932         PR tree-optimization/52754
1933         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1934         propagate arbitrary addresses into really plain dereferences.
1935
1936 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1937
1938         PR tree-optimization/52835
1939         * tree-data-ref.c (build_rdg): Return NULL if
1940         compute_data_dependences_for_loop failed.
1941
1942 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1943
1944         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1945         (stmt_can_make_abnormal_goto): Use it.
1946         (is_ctrl_altering_stmt): Likewise.
1947
1948 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1949
1950         Backported from mainline
1951         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1952
1953         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1954         is a builtin_stack_save in a dominating BB.
1955
1956 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1957
1958         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1959         crossing 128bit lane boundary.
1960
1961 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1962
1963         Backported from mainline
1964         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1965
1966         PR target/52698
1967         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1968         New prototype.
1969         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1970         * config/i386/i386.c: Include reload.h.
1971         (ix86_legitimize_reload_address): New function.
1972
1973 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1974
1975         Backported from mainline
1976         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1977
1978         PR middle-end/52693
1979         * tree-sra.c (sra_modify_assign): Do not call
1980         load_assign_lhs_subreplacements when working with an unscalarizable
1981         region.
1982
1983 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1984
1985         PR middle-end/52691
1986         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1987         __builtin_va_start to __builtin_next_arg if the latter is
1988         builtin_decl_explicit_p rather than when it is not.
1989
1990         PR middle-end/52750
1991         * tree-vect-generic.c (vector_element): Perform multiplication
1992         for pos in bitsizetype type instead of idx type.
1993
1994 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1995
1996         Backport from 2012-03-28 mainline r185910.
1997
1998         PR target/52692
1999         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2000         (avr_builtin_decl): New static function.
2001         (struct avr_builtin_description, avr_bdesc): Move up.
2002         Add GTY marker. Add field fndecl. Remove redundant field id.
2003         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2004         (avr_expand_builtin): Code cleanup because .id is removed.
2005
2006 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
2007
2008         PR middle-end/51893
2009         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2010         targets.
2011
2012 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2013
2014         Backport from 2012-03-28 mainline r185907.
2015
2016         PR target/52737
2017         * config.gcc (tm_file): Remove avr/multilib.h.
2018
2019         * doc/invoke.texi (AVR Options): Adjust
2020         documentation of -mtiny-stack.
2021
2022         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2023         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2024         * config/avr/t-avr: Remove generation of multilib.h.
2025         * config/avr/t-multilib: Regenerate.
2026         * config/avr/multilib.h: Remove.
2027         * config/avr/avr.opt (-msp8): New option.
2028         (avr_sp8): New variable.
2029         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2030         * config/avr/avr.h (AVR_HAVE_SPH): New define.
2031         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2032         (avr_device_to_sp8): New prototype.
2033         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2034         (DRIVER_SELF_SPECS): New define.
2035         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2036         __AVR_SP8__, __AVR_HAVE_SPH__.
2037         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2038         AVR_HAVE_8BIT_SP to decide if SP_H is present.
2039         (avr_file_start): Ditto.
2040
2041 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2042
2043         PR target/52736
2044         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2045         instead of 8 in adjust_address.
2046
2047 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
2048
2049         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2050         of a unit before computing the offset in units.
2051
2052 2012-03-27  Richard Guenther  <rguenther@suse.de>
2053
2054         PR middle-end/52720
2055         * fold-const.c (try_move_mult_to_index): Handle &x.array more
2056         explicitely.
2057
2058 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2059
2060         PR target/52610
2061         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2062
2063 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
2064
2065         PR middle-end/52640
2066         * varasm.c: Include pointer-set.h.
2067         (pending_assemble_externals_set): New pointer set.
2068         (process_pending_assemble_externals): Destroy the pointer set.
2069         (assemble_external): See if decl is in pending_assemble_externals_set,
2070         and add it to pending_assemble_externals if necessary.
2071         (init_varasm_once): Allocate pending_assemble_externals_set.
2072
2073 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2074
2075         Backported from mainline
2076         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2077
2078         PR target/50310
2079         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2080         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2081         (vector_ltgt<mode>): Likewise.
2082         (vector_ordered<mode>): Likewise.
2083         (vector_unordered<mode>): Likewise.
2084         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2085
2086 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
2087
2088         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2089         Make static.
2090
2091 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2092
2093         Backported from mainline
2094         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
2095
2096         PR target/48596
2097         PR target/48806
2098         * config/sh/sh.c (sh_register_move_cost): Increase cost between
2099         GENERAL_REGS and FP_REGS for SImode.
2100
2101 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2102
2103         PR middle-end/52547
2104         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2105         on any new_local_var_chain vars declared during recursing on
2106         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2107
2108 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2109
2110         Backport from 2012-03-22 mainline r185692.
2111
2112         PR target/52496
2113         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2114         (unspecv): Add UNSPECV_MEMORY_BARRIER.
2115         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2116         (delay_cycles_1, delay_cycles_2): Ditto.
2117         (delay_cycles_3, delay_cycles_4): Ditto.
2118         (nopv, *nopv): Ditto.
2119         (sleep, *sleep): Ditto.
2120         (wdr, *wdr): Ditto.
2121
2122         Backport from 2012-03-21 mainline r185605.
2123
2124         PR rtl-optimization/52543
2125         PR target/52461
2126         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2127         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2128         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2129         (avr_load_libgcc_p): Restrict to __flash loads.
2130         (avr_out_lpm): Only handle 1-byte loads from __flash.
2131         (avr_load_lpm): New function.
2132         (avr_find_unused_d_reg): Remove.
2133         (avr_out_lpm_no_lpmx): Remove.
2134         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2135         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2136         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2137         (load_<mode>, load_<mode>_clobber): New insns.
2138         (mov<mode>): For multi-byte move from non-generic
2139         16-bit address spaces: Expand to load_<mode> resp.
2140         load_<mode>_clobber.
2141         (load<mode>_libgcc): Remove expander.
2142         (split-lpmx): Remove split.
2143
2144         Backport from 2012-03-13 mainline r185329.
2145
2146         PR target/52488
2147         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2148         offset (size) to a value the insns can deal with.
2149         (expand_epilogue): Ditto.
2150
2151         Backport from 2012-03-12 mainline r185256.
2152
2153         PR target/52499
2154         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2155         type from reg_class_t to enum reg_class.
2156         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2157
2158         Backport from 2012-03-12 mainline r185253.
2159
2160         PR target/52148
2161         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2162         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2163         r184615 from 2012-02-28.
2164
2165         Backport from 2012-03-08 mainline r185105.
2166
2167         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2168         for constants in [-63,63].
2169
2170         Backport from 2012-03-08 mainline r185100.
2171
2172         PR target/52496
2173         * config/avr/avr.c (avr_mem_clobber): New static function.
2174         (avr_expand_delay_cycles): Add memory clobber operand to
2175         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2176         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2177         (enable_interrupt, disable_interrupt): New expander.
2178         (nopv, sleep, wdr): New expanders.
2179         (delay_cycles_1): Add memory clobber.
2180         (delay_cycles_2): Add memory clobber.
2181         (delay_cycles_3): Add memory clobber.
2182         (delay_cycles_4): Add memory clobber.
2183         (cli_sei): New insn from former "enable_interrupt",
2184         "disable_interrupt" with memory clobber.
2185         (*wdt): New insn from former "wdt" with memory clobber.
2186         (*nopv): Similar, but for "nopv".
2187         (*sleep): Similar, but for "sleep".
2188
2189         Backport from 2012-03-07 mainline r185043.
2190
2191         PR target/52484
2192         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2193
2194         Backport from 2012-03-07 mainline r185032.
2195
2196         PR target/52506
2197         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2198         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2199         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2200
2201         Backport from 2012-03-07 mainline r185031.
2202
2203         PR target/52505
2204         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2205         from RAM.
2206         * config/avr/avr.md (xload_8): Adjust insn length.
2207
2208         Backport from 2012-03-07 mainline r185030.
2209
2210         PR target/52461
2211         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2212         if RAMPZ affects reading from RAM.
2213
2214         Backport from 2012-03-05 mainline r184919.
2215
2216         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2217
2218 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2219
2220         Backport from mainline r185259.
2221
2222         PR other/52545
2223         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2224         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2225
2226 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2227
2228         Backported from mainline
2229         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
2230
2231         PR c/52577
2232         * c-parser.c (c_parser_postfix_expression)
2233         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2234
2235         * config/i386/smmintrin.h: Avoid /* within a comment.
2236         * config/i386/nmmintrin.h: Likewise.
2237
2238 2012-03-22  Richard Guenther  <rguenther@suse.de>
2239
2240         * BASE-VER: Set to 4.7.1.
2241         * DEV-PHASE: Set to prerelease.
2242
2243 2012-03-22  Release Manager
2244
2245         * GCC 4.7.0 released.
2246
2247 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2248
2249         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2250
2251 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
2252             Andrew Pinski  <apinski@cavium.com>
2253
2254         PR middle-end/52592
2255         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2256         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2257         calls instead of __builtin_ir{int,ound}*.
2258
2259 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
2260
2261         PR c++/52582
2262         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2263         if c_node is NULL.
2264
2265 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2266
2267         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2268         Refer to GCC 4.7 version of c99status.html.
2269
2270 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2271
2272         Backport from mainline
2273         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2274
2275         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2276         redefine to be NULL if the current bit-size is different from the
2277         configured bit-size.
2278
2279         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2280         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2281         set the default tuning.  Add asserts to make sure the cpu and tune
2282         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2283         test whether the index is set, instead of > 0.
2284         (rs6000_file_start): Do not reset the default cpu if the current
2285         bit-size is different from the configured bit-size.
2286
2287 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2288
2289         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2290         binutils reference.
2291         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2292         Update binutils references.
2293         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2294         Update binutils reference.
2295         Update Sun as/GNU ld caveat.
2296         Document binutils largefile requirement for LTO plugin.
2297         Remove reference to alternate libpthread.
2298
2299 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2300
2301         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2302         reference.
2303         (Specific, mips-sgi-irix6): Likewise.
2304
2305 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2306
2307         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2308         * configure: Regenerate.
2309
2310 2012-03-07  Richard Henderson  <rth@redhat.com>
2311
2312         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2313         * config/m68k/sync.md (atomic_test_and_set): Use it.
2314         (atomic_test_and_set_1): Likewise.
2315
2316 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
2317
2318         PR target/51417
2319         * Makefile.in: Let install-gcc-ar depend on installdirs,
2320         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2321         Don't double canonicalize if cross-compiling.
2322
2323 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2324
2325         * trans-mem.c: New typedef for tm_region_p.
2326         Define vector types for tm_region_p.
2327         (tm_region_init): Replace region_worklist to a vector called
2328         bb_regions.
2329
2330 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2331
2332         PR middle-end/52463
2333         * trans-mem.c (tm_region_init): Use last_basic_block.
2334
2335 2012-03-05  Richard Henderson  <rth@redhat.com>
2336
2337         PR tree-opt/52242
2338         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2339         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2340         BIGGEST_ALIGNMENT is aligned.
2341
2342 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2343
2344         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2345
2346 2012-03-05  Richard Henderson  <rth@redhat.com>
2347
2348         PR target/52481
2349         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2350         instead of calling negqi2 directly.
2351
2352 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2353
2354         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2355         (INTMAX_TYPE): Use it.
2356         (UINTMAX_TYPE): Likewise.
2357         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2358         (irix6_c_common_override_options): Declare.
2359         (C_COMMON_OVERRIDE_OPTIONS): Define.
2360         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2361         * config/mips/irix6-c.c: New file.
2362         * config/mips/t-irix6 (irix6-c.o): New target.
2363         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2364         cxx_target_objs.
2365
2366 2012-03-02  Richard Henderson  <rth@redhat.com>
2367
2368         * optabs.c (expand_atomic_test_and_set): Honor
2369         atomic_test_and_set_trueval even when atomic_test_and_set
2370         optab is not in use.
2371
2372 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2373
2374         Backport from mainline
2375         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2376
2377         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2378
2379 2012-03-02  Richard Guenther  <rguenther@suse.de>
2380
2381         * DEV-PHASE: Set to prerelease.
2382
2383 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2384
2385         * config.gcc (obsolete): Add all ARM targets using the FPA.
2386         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2387         * doc/install.texi: Avoid references to obsolete ARM ports.
2388
2389 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2390
2391         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2392
2393 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2394             Joern Rennecke  <joern.rennecke@embecosm.com>
2395
2396         * doc/extend.texi: Expand and update information on interrupt
2397         attribute for Epiphany.
2398
2399 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2400
2401         * config/sh/sh-protos.h: Update copyright notice dates.
2402         * config/sh/sh.h: Likewise.
2403         * config/sh/sh.md: Likewise.
2404         * config/sh/constraints.md: Likewise.
2405         * config/sh/predicates.md: Likewise.
2406
2407 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2408
2409         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2410         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2411
2412 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2413
2414         * config/sh/constraints.md: Fix comment typo.
2415
2416 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2417
2418         PR target/52408
2419         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2420         unsigned HOST_WIDE_INT.
2421         (zvdep_imm64): Likewise.
2422         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2423         (vdepi_and): Likewise.
2424         Likewise for unamed 64-bit patterns.
2425         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2426
2427 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2428
2429         PR debug/52001
2430         PR rtl-optimization/52417
2431         * cselib.c (cselib_any_perm_equivs): New variable.
2432         (cselib_reset_table): Check that it's not set when not
2433         preserving constants.
2434         (cselib_add_permanent_equiv): Set it.
2435         (cselib_have_permanent_equivalences): New.
2436         (cselib_init, cselib_finish): Reset it.
2437         * cselib.h (cselib_have_permanent_equivalences): Declare.
2438         * alias.c (get_addr): Restore earlier behavior when there
2439         aren't permanent equivalences.
2440
2441 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2442
2443         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2444         * config/v850/v850-modes.def: Fix copyright notice.
2445
2446 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2447
2448         * doc/extend.texi (AVR Built-in Functions): Document
2449         __builtin_avr_flash_segment.
2450
2451         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2452         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2453         (*split.flash_segment): New insn-and-split.
2454         * config/avr/avr.c (avr_init_builtins): Add local variables:
2455         const_memx_void_node, const_memx_ptr_type_node,
2456         char_ftype_const_memx_ptr.
2457
2458 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2459
2460         PR tree-optimization/52445
2461         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2462         add ssa_name_ver, offset and size fields and change store field
2463         to bool.
2464         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2465         (add_or_mark_expr): Likewise.  Only consider previous stores
2466         with the same size and offset.
2467         (nt_init_block): Only look at gimple_assign_single_p stmts,
2468         doesn't look at rhs2.
2469
2470 2012-03-01  Richard Guenther  <rguenther@suse.de>
2471
2472         PR middle-end/52443
2473         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2474         conversions from integral types to pointer types.
2475
2476 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2477
2478         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2479         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2480         unintentionally removed in r184616.
2481
2482 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2483
2484         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2485         3DNow from bdver1.
2486
2487 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2488             Uros Bizjak  <ubizjak@gmail.com>
2489
2490         PR target/52437
2491         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2492         alternatives, add "e" constraint to the new last alternative
2493         and ! to last 3 alternatives.
2494
2495 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2496
2497         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2498         DW_AT_artificial attributes at the end of the processing.
2499         (gen_array_type_die): Likewise.
2500         (gen_enumeration_type_die): Likewise.
2501         (gen_struct_or_union_type_die): Likewise.
2502         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2503         the parent type.
2504
2505 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2506
2507         PR middle-end/52419
2508         * expr.c (expand_assignment): If doing misaligned store that doesn't
2509         cover all mode bits, perform a RMW cycle.
2510
2511         PR tree-optimization/52429
2512         * tree-parloops.c (separate_decls_in_region_debug): Return early
2513         if var is LABEL_DECL.
2514
2515 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2516
2517         PR tree-optimization/52424
2518         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2519         calling dom_thread_across_edge.
2520
2521 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2522
2523         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2524
2525 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2526
2527         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2528         * config/avr/avr.c (avr_output_bld): Remove unused function.
2529         (avr_out_sbxx_branch): Use "%T" to print bit position.
2530
2531 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2532
2533         * config/avr/avr.md: Untabify.
2534
2535 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2536
2537         * config/avr/avr.md (eqne): New code iterator.
2538         (*dec-and-branchsi): Use it in text peephole's condition.
2539         (*dec-and-branchhi): Ditto.
2540         (*dec-and-branchqi): Ditto.
2541
2542 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2543
2544         PR target/49939
2545         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2546         the device does not have the skip-bug.
2547
2548 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2549
2550         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2551         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2552         -mpretend-cmove): New.
2553
2554 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2555
2556         PR bootstrap/52397
2557         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2558         doesn't count DEBUG_INSN refs.
2559         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2560         for DEBUG_INSN refs.
2561
2562 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2563
2564         Partially revert:
2565
2566         2012-02-20  Richard Guenther  <rguenther@suse.de>
2567         PR tree-optimization/52298
2568         * tree-vect-stmts.c (vectorizable_load): Properly use
2569         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2570         outer loops.
2571
2572 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2573
2574         PR middle-end/51752
2575         * gimple.h (gimple_in_transaction): New.
2576         (gimple_set_in_transaction): New.
2577         (struct gimple_statement_base): Add in_transaction field.
2578         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2579         transaction loads.
2580         (tree_ssa_lim_initialize): Compute transaction bits.
2581         * tree.h (compute_transaction_bits): Protoize.
2582         * trans-mem.c (tm_region_init): Use the heap to store BB
2583         auxilliary data.
2584         (compute_transaction_bits): New.
2585
2586 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2587
2588         * gcc.c (display_help): Document --help=common and sort entries
2589         alphabetically.
2590
2591 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2592
2593         * doc/install.texi: Document check-$LANG specific shortcuts
2594
2595 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2596
2597         PR target/51534
2598         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2599         and vcgtu.
2600         * config/arm/arm_neon.h: Regenerate.
2601         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2602         (neon_vcgeu): New insn.
2603         (neon_vcgtu): Likewise.
2604         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2605         (ops): Unsigned comparison intrinsics call a different
2606         builtin.
2607
2608 2012-02-28  Richard Guenther  <rguenther@suse.de>
2609
2610         PR target/52407
2611         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2612         ordering for the VEC_CONCAT for two element vectors for
2613         V2SFmode, V2SImode and V2DImode.
2614
2615 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2616
2617         PR target/49448
2618         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2619         detecting big-endian triplets.
2620
2621 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2622
2623         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2624         mode if there is no type information available.
2625
2626 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2627
2628         PR tree-optimization/53207
2629         * doc/invoke.texi: Document as experimental and relying on graphite.
2630
2631 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2632
2633         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2634         of initializer to changes from r184614.
2635
2636 2012-02-28  Richard Guenther  <rguenther@suse.de>
2637
2638         PR tree-optimization/52395
2639         * tree-sra.c (build_ref_for_offset): Also look at the base
2640         TYPE_ALIGN when figuring out the alignment of the replacement.
2641
2642 2012-02-28  Richard Guenther  <rguenther@suse.de>
2643
2644         PR tree-optimization/52402
2645         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2646         mis-aligned types when creating the accesses at the call site.
2647
2648 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2649
2650         * config/avr/builtins.def: New file.
2651         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2652         * config/avr/avr.c (enum avr_builtin_id): Use it.
2653         (avr_init_builtins): Use it. And use avr_bdesc.
2654         (bdesc_1arg): Remove.
2655         (bdesc_2arg): Remove.
2656         (bdesc_3arg): Remove.
2657         (struct avr_builtin_description): Add field n_args.
2658         (avr_bdesc): New static variable using builtins.def.
2659         (avr_expand_builtin): Use it.
2660         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2661         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2662         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2663
2664 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2665
2666         PR target/52148
2667         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2668         match only one single hard register with respective hard reg rtx.
2669         (movmemx_<mode>): Ditto.
2670         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2671         insn anatomy of movmem[x]_<mode>.
2672         (avr_out_movmem): Same for printing assembler and operand usage.
2673
2674 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2675
2676         PR target/49868
2677         PR target/52261
2678         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2679         address spaces located outside of device flash.
2680
2681         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2682         (mcu_type_s): Add field n_flash.
2683         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2684         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2685         (AVR_MCU): Add N_FLASH argument.
2686         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2687         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2688         macro __FLASH<n> if that address space makes sense for the device.
2689         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2690         outside of target flash.
2691         (avr_asm_named_section): Ditto.
2692         (avr_asm_select_section): Ditto.
2693         (avr_addr_space_convert): Ditto.
2694         (avr_emit_movmemhi): Ditto.
2695         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2696         address space is outside of device flash.
2697         (avr_insert_attributes): Ditto.
2698         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2699         avr_current_arch->n_segments.
2700
2701 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2702
2703         PR target/52352
2704         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2705         TARGET_LP64.
2706         (*movabs<mode>_2): Likewise.
2707
2708 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2709
2710         PR target/52375
2711         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2712         s_register_operand in the test instead of REG_P.  Don't call
2713         gen_reg_rtx if it won't be used.
2714
2715         PR tree-optimization/52376
2716         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2717
2718 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2719
2720         * ifcvt.c (noce_get_condition): Check condition variable is not
2721         small_register_classes_for_mode_p before accepting.
2722
2723 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2724
2725         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2726
2727 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2728
2729         Revert:
2730         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2731         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2732         tuning parameters.
2733         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2734
2735 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2736
2737         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2738
2739 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2740
2741         * config/sh/predicates.md: Remove blank lines.
2742         * config/sh/sh.c: Fix typos in comments.
2743         * config/sh/constraints.md: Likewise.
2744         * config/sh/sh.md: Remove blank lines.
2745         Fix typos in comments.  Use ;; as comment characters.
2746
2747 2012-02-26  Walter Lee  <walt@tilera.com>
2748
2749         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2750         (replace_mov_pcrel_step2): Ditto.
2751
2752 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2753
2754         PR debug/52001
2755         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2756         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2757         and locs that reference values newer than the non-canonical value
2758         at hand.  Return the canonical value as a worst case.
2759         (memrefs_conflict_p): Walk canonical value's locs.
2760
2761         PR debug/52001
2762         * cselib.c (preserve_only_constants): Rename to...
2763         (preserve_constants_and_equivs): ... this.  Split out...
2764         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2765         of other preserved expressions too.
2766         (cselib_reset_table): Adjust.
2767         * var-tracking.c (reverse_op): Use canonical value to build
2768         reverse operation.
2769
2770 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2771
2772         * config/i386/i386.c (ix86_delegitimize_address): Handle
2773         UNSPEC_PCREL plus displacement.
2774
2775 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2776
2777         PR target/52261
2778         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2779         to test for unusedness in st X addressing.
2780
2781 2012-02-24  Richard Guenther  <rguenther@suse.de>
2782
2783         PR middle-end/52361
2784         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2785         (is_gimple_reg_type): Move inline ...
2786         * gimple.h (is_gimple_reg_type): ... here.
2787
2788 2012-02-24  Richard Guenther  <rguenther@suse.de>
2789
2790         PR middle-end/52361
2791         * passes.c (execute_function_todo): When verifying SSA form
2792         verify gimple form first.
2793         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2794
2795 2012-02-24  Richard Guenther  <rguenther@suse.de>
2796
2797         PR middle-end/52355
2798         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2799         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2800
2801 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2802
2803         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2804
2805 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2806
2807         * tree-phinodes.c (make_phi_node): Mark static.
2808         * tree-flow.h (make_phi_node): Remove extern decl.
2809         * doc/gimple.texi (make_phi_node): Remove documentation.
2810
2811 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2812
2813         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2814         * tree-ssa-sccvn.c (print_scc): Ditto.
2815
2816 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2817
2818         * doc/passes.texi (Full redundancy elimination): Fix typo.
2819
2820 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2821
2822         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2823
2824 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2825
2826         PR bootstrap/52287
2827         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2828
2829 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2830
2831         PR c/52290
2832         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2833
2834 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2835
2836         * config/avr/avr.md (code_stdname): Add ior, xor.
2837         (xior): New code iterator.
2838         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2839         (*<code_stdname><mode>qi.byte1-3): Ditto.
2840
2841 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2842
2843         PR tree-optimization/52019
2844         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2845         CLOBBER stmts.
2846
2847 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2848
2849         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2850         HAVE_INITFINI_ARRAY to work around namespace pollution in
2851         certain versions of newlib system headers.
2852         * config.in: Regenerate.
2853         * configure: Regenerate.
2854         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2855         instead of HAVE_INITFINI_ARRAY.
2856
2857 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2858
2859         PR target/52330
2860         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2861         is not offsettable memory reference.
2862
2863 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2864
2865         PR target/18145
2866         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2867         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2868
2869 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2870
2871         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2872         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2873
2874 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2875
2876         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2877         library on Solaris 8 even without TLS support.
2878         * configure: Regenerate.
2879
2880 2012-02-22  Richard Guenther  <rguenther@suse.de>
2881
2882         PR middle-end/52329
2883         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2884         for GIMPLE_DEBUG stmts.
2885
2886 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2887
2888         PR middle-end/51782
2889         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2890         according to the base object.
2891
2892 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2893
2894         PR rtl-optimization/50063
2895         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2896         and 2 (8-bit SP) in operand 2.
2897         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2898         setup to use movhi_sp_r instead of vanilla move to write SP.
2899         Adjust REG_CFA notes to superseed unspec.
2900         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2901         of vanilla move.
2902         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2903         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2904         irq_state 1 (IRQ known to be on) here.
2905
2906 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2907
2908         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2909         WORDS_BIG_ENDIAN.
2910         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2911         assign_hard_reg): Likewise.
2912
2913 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2914
2915         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2916
2917 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2918
2919         * config/avr/avr.md
2920         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2921         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2922
2923 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2924
2925         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2926         prototype from here to...
2927         * config/avr/avr.h: ...here.
2928
2929 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2930
2931         PR target/52294
2932         * thumb2.md (thumb2_shiftsi3_short): Split register and
2933         immediate shifts.  For register shifts tie operands 0 and 1.
2934         (peephole2 for above): Check that register-controlled shifts
2935         have suitably tied operands.
2936
2937 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2938
2939         PR target/52137
2940         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2941         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2942         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2943         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2944         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2945         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2946         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2947         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2948         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2949         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2950         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2951         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2952         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2953         bdver1_ssevector_avx256_unaligned_load,
2954         bdver1_ssevector_sse128_unaligned_load,
2955         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2956         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2957         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2958         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2959         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2960         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2961         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2962         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2963         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2964         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2965         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2966         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2967         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2968         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2969         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2970         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2971         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2972         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2973         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2974         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2975         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2976         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2977         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2978         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2979         bdver1_ssediv_double_load, bdver1_ssediv_double,
2980         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2981         Add "bdver2" attribute.
2982
2983 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2984
2985         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2986         default if possible and not specified otherwise.
2987
2988 2012-02-21  Richard Guenther  <rguenther@suse.de>
2989
2990         PR middle-end/52314
2991         * gimplify.c (create_tmp_from_val): Use the main variant type
2992         for the type of the temporary we create.
2993
2994 2012-02-21  Richard Guenther  <rguenther@suse.de>
2995
2996         PR tree-optimization/52324
2997         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2998         do not gimplify a MEM_REF address operand if it is already
2999         in suitable form.
3000
3001 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3002
3003         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3004         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3005
3006 2012-02-21  Richard Guenther  <rguenther@suse.de>
3007
3008         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3009         nested_in_vect_loop.
3010
3011 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
3012
3013         PR tree-optimization/52318
3014         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3015         vdef also to non-pure/const call stmts in the sequence.
3016
3017 2012-02-20  David S. Miller  <davem@davemloft.net>
3018
3019         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3020         don't use the "rd %pc" instruction on v9 for PIC register loads.
3021
3022 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
3023
3024         PR middle-end/52141
3025         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3026         in a transaction safe function.
3027
3028 2012-02-20  Kai Tietz  <ktietz@redhat.com>
3029
3030         PR target/52238
3031         * stor-layout.c (place_field): Handle desired_align for
3032         ms-bitfields, too.
3033
3034 2012-02-20  Richard Guenther  <rguenther@suse.de>
3035
3036         PR tree-optimization/52298
3037         * tree-vect-stmts.c (vectorizable_store): Properly use
3038         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3039         outer loops.
3040         (vectorizable_load): Likewise.
3041         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3042         Access DR_STEP after ensuring it is not NULL.
3043
3044 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
3045
3046         PR tree-optimization/52286
3047         * fold-const.c (fold_binary_loc): For (X & C1) | C2
3048         optimization use double_int_to_tree instead of build_int_cst_wide,
3049         rewrite to use double_int vars.
3050
3051 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3052
3053         PR target/50166
3054         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3055         Define _start.
3056         Remove -e 0 from $gcc_cv_ld invocation.
3057         Only use __GLIBC_PREREQ if defined.
3058         Enable on Solaris since Solaris 8 patch.
3059         (gcc_SUN_LD_VERSION): New macro.
3060         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3061         gcc_SUN_LD_VERSION for version number format.
3062         * configure: Regenerate.
3063         * varasm.c (get_elf_initfini_array_priority_section): Set
3064         SECTION_NOTYPE for non-default priority.
3065         Use get_section instead of get_unnamed_section to emit
3066         .init_array/.fini_array with default priority.
3067
3068 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3069
3070         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3071         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
3072         (mips_start_unique_function, mips_output_mips16_rdhwr)
3073         (mips_code_end): New functions.
3074         (TARGET_ASM_CODE_END): Define.
3075
3076 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3077
3078         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3079         to stubs with non-sibling calls.
3080
3081 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3082
3083         * doc/invoke.texi (-fira-* options): Copy-edit.
3084         (ira-* parameters): Copy-edit.
3085
3086 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3087
3088         * doc/invoke.texi: Minor copy-edits to bring into conformance with
3089         GCC coding conventions.
3090
3091 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3092
3093         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3094         when used as adjectives.
3095
3096 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
3097
3098         * doc/invoke.texi: Clean up "that"/"which" confusion.
3099
3100 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
3101
3102         * system.h: Poison SMALL_REGISTER_CLASSES
3103         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3104         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3105
3106 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3107
3108         PR tree-optimization/52285
3109         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3110         when deciding if a call is a tail call or tail recursion.
3111
3112 2012-02-16  Kai Tietz  <ktietz@redhat.com>
3113
3114         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3115         interger-constant displacement for UNSPEC_PCREL.
3116
3117 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3118
3119         PR rtl-optimization/52208
3120         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3121         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3122
3123         PR tree-optimization/52255
3124         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3125         loop->header has virtual PHI, but exit_e->dest doesn't, add
3126         virtual PHI to exit_e->dest and adjust all uses after the loop.
3127
3128         PR debug/52260
3129         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3130         children with clone_tree_hash, not after it.
3131
3132 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
3133
3134         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3135         extended identifiers.
3136
3137 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3138
3139         PR middle-end/51929
3140         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3141         a same_body_alias, also test whether e->callee isn't a former
3142         or current clone of the decl this is a same body alias of.
3143
3144         PR translation/52264
3145         * cgraphunit.c (verify_cgraph_node): Fix a typo.
3146
3147 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3148
3149         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3150
3151 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3152
3153         PR target/52199
3154         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3155         force_reg instead of copy_to_reg for better optimization.  Force
3156         non-register or memory operands into a register.
3157
3158 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
3159
3160         * extend.texi: Reserve upper bits of memory model for future use.
3161
3162 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
3163             Anatoly Sokolov <aesok@post.ru>
3164             Eric Weddington <eric.weddington@atmel.com>
3165
3166         PR target/52261
3167         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3168         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3169         Rewrite initializers for .macro.
3170         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3171         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3172         atxmega32d4, atxmega32x1.
3173         avrxmega4: atxmega64a3, atxmega64d3.
3174         avrxmega5: atxmega64a1, atxmega64a1u.
3175         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3176         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3177         avrxmega7: atxmega128a1, atxmega128a1u.
3178         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3179         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3180         (struct base_arch_s): Rename reserved to xmega_p.
3181         Rename reserved2 to have_rampd.
3182         (AVR_XMEGA): New define.
3183         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3184         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3185         * config/avr/predicates.md (io_address_operand): Take into
3186         account SFR offset.
3187         (low_io_address_operand): Ditto.
3188         (high_io_address_operand): Ditto.
3189         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3190         (enabled, movhi_sp_r): Use them.
3191         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3192         cpp_define_formatted to built-in define __AVR_ARCH__.
3193         (__AVR_XMEGA__): New built-in define.
3194         (__AVR_HAVE_RAMPD__): New built-in define.
3195         (__AVR_HAVE_RAMPX__): New built-in define.
3196         (__AVR_HAVE_RAMPY__): New built-in define.
3197         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3198
3199         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3200         (avr_option_override): Initialize them.
3201         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3202         (avr_init_expanders): Initialize them. No more block several calls.
3203         (emit_push_sfr): New static function.
3204         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3205         Handle AVR_XMEGA.
3206         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3207         (avr_print_operand): Print addreeses as symbols for
3208         RAMPX, RAMPY, RAMPD, CCP.
3209         (output_movhi): Handle AVR_XMEGA when writing to SP.
3210         (avr_out_movhi_mr_r_xmega): New static function.
3211         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3212         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
3213         __RAMPD__,  __CCP__ as needed.
3214
3215         * config/avr/multilib.h: Regenerate.
3216         * config/avr/t-multilib: Regenerate.
3217         * config/avr/avr-tables.opt: Regenerate.
3218
3219 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
3220
3221         PR tree-optimization/50561
3222         * graphite-flattening.c (lst_project_loop): Do not
3223         remove old scattering dimensions after flattening.
3224         (lst_do_flatten): Likewise.
3225
3226 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
3227
3228         * doc/extend.texi (AVR Built-in Functions): Remove doc for
3229         __builtin_avr_map8, __builtin_avr_map16.
3230         Document __builtin_avr_insert_bits.
3231
3232         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3233         (insert_bits): New insn.
3234         (adjust_len.map_bits): Rename to insert_bits.
3235         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3236         * avr-protos.h (avr_out_map_bits): Remove.
3237         (avr_out_insert_bits, avr_has_nibble_0xf): New.
3238         * config/avr/constraints.md (Cxf,C0f): New.
3239         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3240         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3241         New built-in define __BUILTIN_AVR_INSERT_BITS.
3242         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3243         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3244         (avr_move_bits): Rewrite.
3245         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3246         functions.
3247         (avr_map_op_t): New typedef.
3248         (avr_map_op): New static variable.
3249         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3250         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3251         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3252         (bdesc_3arg, avr_expand_triop_builtin): New.
3253         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3254         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3255         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3256         (avr_map_equal_p, avr_map_sig_p): Remove.
3257         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3258         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3259         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3260         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3261         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3262         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3263
3264 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3265
3266         * config/c6x/c6x.md (reserve_cycles): New attribute.
3267         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3268         don't reserve functional units after the branch occurs.
3269
3270 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
3271
3272         PR middle-end/52142
3273         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3274         functions into non-tm_pure functions.
3275
3276 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3277
3278         PR lto/52178
3279         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3280         (iterative_hash_canonical_type): Likewise.
3281         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3282         the dead edges.
3283
3284 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3285
3286         * haifa-sched.c (prune_ready_list): Ensure that if there is a
3287         sched-group insn, it either remains alone or the entire list is pruned.
3288
3289 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3290
3291         * doc/install.texi (Prerequisites): Fix grammar.
3292         (Configuration): Likewise.
3293
3294 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3295
3296         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3297         MPC as part of GCC before describing configuring with --with-gmp etc.
3298         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3299         sources are present.
3300
3301 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3302
3303         PR debug/51950
3304         * dwarf2out.c (clone_tree_hash): New function.
3305         (copy_decls_walk): Use it instead of clone_tree.
3306
3307 2012-02-14  Richard Guenther  <rguenther@suse.de>
3308
3309         PR tree-optimization/52244
3310         PR tree-optimization/51528
3311         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3312         replacements for integral types.
3313
3314 2012-02-14  Walter Lee  <walt@tilera.com>
3315
3316         * config.gcc: Handle tilegx and tilepro.
3317         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3318         tilegx and tilepro.
3319         Add HAVE_AS_TLS check for tilegx and tilepro.
3320         * configure: Regenerate.
3321         * doc/contrib.texi: Add Mat Hostetter and self.
3322         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3323         Document instruction intrinsics and network accessing intrinsics.
3324         (TILEPro Built-in Functions): New node.  Document instruction
3325         intrinsics and network accessing intrinsics.
3326         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3327         (Specific, tilepro-*-linux*): Likewise.
3328         * doc/invoke.texi (TILE-Gx Options): New section.
3329         (TILEPro Options): New section.
3330         * doc/md.texi (TILE-Gx): New section.
3331         (TILEPro): New section.
3332         * common/config/tilegx/tilegx-common.c: New file.
3333         * common/config/tilepro/tilepro-common.c: New file.
3334         * config/tilegx/constraints.md: New file.
3335         * config/tilegx/linux.h: New file.
3336         * config/tilegx/mul-tables.c: New file.
3337         * config/tilegx/predicates.md: New file.
3338         * config/tilegx/sync.md: New file.
3339         * config/tilegx/t-tilegx: New file.
3340         * config/tilegx/tilegx-builtins.h: New file.
3341         * config/tilegx/tilegx-c.c: New file.
3342         * config/tilegx/tilegx-generic.md: New file.
3343         * config/tilegx/tilegx-modes.def: New file.
3344         * config/tilegx/tilegx-multiply.h: New file.
3345         * config/tilegx/tilegx-protos.h: New file.
3346         * config/tilegx/tilegx.c: New file.
3347         * config/tilegx/tilegx.h: New file.
3348         * config/tilegx/tilegx.md: New file.
3349         * config/tilegx/tilegx.opt: New file.
3350         * config/tilepro/constraints.md: New file.
3351         * config/tilepro/gen-mul-tables.cc: New file.
3352         * config/tilepro/linux.h: New file.
3353         * config/tilepro/mul-tables.c: New file.
3354         * config/tilepro/predicates.md: New file.
3355         * config/tilepro/t-tilepro: New file.
3356         * config/tilepro/tilepro-builtins.h: New file.
3357         * config/tilepro/tilepro-c.c: New file.
3358         * config/tilepro/tilepro-generic.md: New file.
3359         * config/tilepro/tilepro-modes.def: New file.
3360         * config/tilepro/tilepro-multiply.h: New file.
3361         * config/tilepro/tilepro-protos.h: New file.
3362         * config/tilepro/tilepro.c: New file.
3363         * config/tilepro/tilepro.h: New file.
3364         * config/tilepro/tilepro.md: New file.
3365         * config/tilepro/tilepro.opt: New file.
3366
3367 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3368
3369         PR tree-optimization/52210
3370         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3371         vect_model_simple_cost with two entry vect_def_type array instead
3372         of an address of dt.
3373
3374 2012-02-14  Richard Guenther  <rguenther@suse.de>
3375
3376         PR lto/52178
3377         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3378         Do not stream DECL_QUALIFIER.
3379         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3380         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3381         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3382
3383 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3384
3385         PR c/52181
3386         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3387         newdecl.
3388
3389 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3390
3391         PR bootstrap/52172
3392         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3393         * cselib.c (cselib_subst_to_values_from_insn): New function.
3394         * sched-deps.c (add_insn_mem_dependence,
3395         sched_analyze_1, sched_analyze_2): Use it.
3396
3397 2012-02-13  Jan Hubicka  <jh@suse.cz>
3398
3399         PR middle-end/52214
3400         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3401
3402 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3403
3404         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3405         (GTM_SELF_SPECS): Define if not already defined.
3406         (driver_self_specs): Add GTM_SELF_SPECS.
3407         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3408         (GTM_SELF_SPECS): Define.
3409         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3410         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3411
3412 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3413
3414         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3415         away if seen.
3416
3417         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3418
3419         PR middle-end/52230
3420         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3421         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3422
3423 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3424
3425         PR c/52190
3426         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3427
3428 2012-02-13  Richard Guenther  <rguenther@suse.de>
3429
3430         PR translation/52211
3431         * passes.c (enable_disable_pass): Fix typo.
3432
3433 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3434
3435         PR middle-end/52209
3436         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3437         XOR for reduce_bit_field if type is unsigned.
3438
3439 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3440
3441         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3442         disallow changes from SFmode to mode with different size in FP regs.
3443
3444 2012-02-12  Robert Millan  <rmh@gnu.org>
3445             Gerald Pfeifer <gerald@pfeifer.com>
3446
3447         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3448         Tweak comment.
3449
3450 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3451
3452         PR rtl-optimization/52175
3453         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3454         to frame-related instructions.
3455
3456 2012-02-10  Jason Merrill  <jason@redhat.com>
3457
3458         PR c++/51910
3459         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3460         (demangle_new_symbols): Fill it.
3461         (scan_linker_output): Walk it.
3462         (start_tweaking): Split out from scan_linker_output.
3463         (maybe_tweak): Update sym->chosen.
3464         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3465
3466 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3467
3468         PR debug/52132
3469         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3470
3471 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3472
3473         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3474         having the same mode as previous compare.
3475
3476 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3477
3478         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3479         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3480         (nonlocal_goto_internal): Likewise.
3481         (nonlocal_goto): Emit a use and an indirect jump directly.
3482
3483 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3484
3485         PR c/52190
3486         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3487         __atomic_{is,always}_lock_free.
3488
3489 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3490
3491         PR target/52146
3492         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3493         negative constant address for x32.
3494
3495 2012-02-10  Richard Henderson  <rth@redhat.com>
3496
3497         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3498         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3499         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3500
3501 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3502             Ira Rosen  <irar@il.ibm.com>
3503
3504         PR tree-optimization/50031
3505         * targhooks.c (default_builtin_vectorization_cost): Handle
3506         vec_promote_demote.
3507         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3508         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3509         all types of reduction and pattern statements.
3510         (vect_estimate_min_profitable_iters): Likewise.
3511         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3512         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3513         for explicit realigns.
3514         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3515         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3516         vec_promote_demote.
3517         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3518         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3519         vec_perm for VSX and handle vec_promote_demote.
3520
3521 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3522
3523         PR middle-end/52177
3524         * builtins.c (fold_builtin_atomic_always_lock_free,
3525         expand_builtin_atomic_always_lock_free,
3526         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3527         Return and/or test boolean_true_node/boolean_false_node instead of
3528         integer_one_node/integer_zero_node.
3529
3530 2012-02-10  Jan Hubicka  <jh@suse.cz>
3531
3532         PR middle-end/48600
3533         * predict.c (predict_paths_for_bb): Prevent looping.
3534         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3535
3536 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3537
3538         * config/arm/arm.c (output_move_double): In one case properly
3539         count number of instructions that will be emitted.
3540
3541 2012-02-10  Richard Guenther  <rguenther@suse.de>
3542
3543         PR translation/52193
3544         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3545
3546 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3547
3548         PR middle-end/52140
3549         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3550
3551 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3552
3553         PR debug/52165
3554         * var-tracking.c (emit_note_insn_var_location): If
3555         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3556         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3557         non-NOTE_DURING_CALL_P insn.
3558
3559 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3560
3561         PR middle-end/51867
3562         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3563
3564 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3565
3566         PR driver/48524
3567         * gcc.c (switch_matches) Support switches with separated form,
3568         -D and -U.
3569
3570 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3571
3572         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3573         (SP_ADDR): Ditto.
3574         (RAMPZ_ADDR): Ditto.
3575         * config/avr/avr.c (avr_addr_t): New typedef.
3576         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3577         (avr_init_expanders): Initialize it.
3578         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3579         SREG_ADDR.
3580         (expand_epilogue): Ditto.
3581         (avr_print_operand): Ditto.
3582         (avr_file_start): Ditto.
3583         (avr_emit_movmemhi): Ditto.
3584
3585 2012-02-08  Richard Guenther  <rguenther@suse.de>
3586
3587         PR tree-optimization/46886
3588         * tree-flow.h (do_while_loop_p): Declare.
3589         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3590         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3591
3592 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3593
3594         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3595         always succeed for integers larger than a native word.
3596
3597 2012-02-08  Richard Guenther  <rguenther@suse.de>
3598
3599         PR rtl-optimization/52170
3600         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3601         properly handle integer vector modes.
3602
3603 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3604
3605         PR gcov-profile/52150
3606         * coverage.c: Include target.h.
3607         (build_var): Call targetm.strip_name_encoding on the assembler name.
3608         Change one _ into . or $ if the target allows it.
3609         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3610
3611         PR rtl-optimization/52139
3612         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3613         is a BARRIER after emit_insn_after_noloc, move BB_END
3614         to the last non-BARRIER insn before it.
3615
3616 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3617
3618         PR middle-end/24306
3619         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3620         (mips_gimplify_va_arg_expr): Call it instead of
3621         std_gimplify_va_arg_expr.
3622
3623 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3624
3625         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3626         message for -mno-pointers-to-nested-function.
3627
3628 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3629
3630         PR middle-end/51994
3631         * expr.c (get_inner_reference): If there is an offset, add a negative
3632         bit position to it (if any).
3633
3634 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3635
3636         PR rtl-optimization/52060
3637         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3638         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3639         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3640         and/or i0src_copy2 when needed.
3641
3642 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3643
3644         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3645         or LTOPLUGINSONAME if have_c.
3646
3647         * config/freebsd-spec.h: Add comment about what macros can be defined
3648         in this header.
3649         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3650         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3651         here instead.
3652
3653 2012-02-07  Richard Guenther  <rguenther@suse.de>
3654
3655         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3656         newline in -alias dumps.
3657
3658 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3659             Dave Korn  <dave.korn.cygwin@gmail.com>
3660
3661         PR target/40068
3662         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3663         Take care that typinfo gets dllexport-attribute.
3664
3665 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3666
3667         PR middle-end/52074
3668         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3669         if modifier < EXPAND_SUM call force_operand on the result.
3670
3671 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3672
3673         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3674         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3675         present.
3676         (epiphany_function_type): Replace types for specific interrupts with
3677         EPIPHANY_FUNCTION_INTERRUPT.
3678         (EPIPHANY_INTERRUPT_P): Update.
3679         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3680         New static function.
3681         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3682         <disinterrupt>: Affects type identity.
3683         (epiphany_handle_interrupt_attribute): Handle variable number of
3684         arguments.
3685         (epiphany_compute_function_type): Update for new
3686         epiphany_function_type definition.
3687         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3688         handlers with a longcall forwarder.
3689         (epiphany_start_function): Handle multiple interrupt arguments and/or
3690         forwarder_section attribute.
3691
3692         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3693         libgloss.
3694
3695 2012-02-07  Alan Modra  <amodra@gmail.com>
3696
3697         PR target/52107
3698         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3699         subregs of TFmode.
3700
3701 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3702
3703         PR tree-optimization/50969
3704         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3705         use vec_perm rather than vector_stmt.
3706         (vect_model_load_cost): Likewise.
3707         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3708         vec_perm to be the same as other vector statements.
3709         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3710         cost of vec_perm for TARGET_VSX.
3711
3712 2012-02-06  Richard Guenther  <rguenther@suse.de>
3713
3714         PR tree-optimization/52115
3715         * tree-sra.c (access_has_replacements_p): New function.
3716         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3717
3718 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3719
3720         PR middle-end/52047
3721         * trans-mem.c (expand_call_tm): Add an assertion.
3722         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3723         functions.
3724
3725 2012-02-06  Richard Guenther  <rguenther@suse.de>
3726
3727         PR tree-optimization/50955
3728         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3729         raise cost of expressions that replace an address with an
3730         expression based on a different pointer.
3731
3732 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3733
3734         PR target/52129
3735         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3736         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3737
3738 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3739
3740         PR c++/48680
3741         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3742         -Weffc++ and specify guidelines come from second edition.
3743
3744 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3745
3746         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3747         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3748         (call_direct_split, call_value_split, call_value_internal_direct)
3749         (call_value_direct_split, call_value_multiple_split): Use jal and
3750         jal_macro attributes.
3751
3752 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3753
3754         * reload1.c (reload_regs_reach_end_p): Replace with...
3755         (reload_reg_rtx_reaches_end_p): ...this function.
3756         (new_spill_reg_store): Update commentary.
3757         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3758         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3759         before setting new_spill_reg_store.
3760         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3761         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3762         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3763         for non-spill reload registers.
3764
3765 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3766
3767         PR tree-optimization/52091
3768         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3769         (vect_is_simple_use_1): Likewise.
3770         * tree-vect-loop.c (vectorizable_reduction): Update calls
3771         to vect_is_simple_use_1 and vect_is_simple_use.
3772         (vectorizable_live_operation): Likewise.
3773         * tree-vect-patterns.c (widened_name_p,
3774         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3775         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3776         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3777         vectorizable_shift,vectorizable_operation, vectorizable_store,
3778         vectorizable_load): Likewise.
3779         (vect_is_simple_cond): Add an argument, pass it to
3780         vect_is_simple_use_1.
3781         (vectorizable_condition): Update calls to vect_is_simple_cond,
3782         vect_is_simple_use.
3783         (vect_is_simple_use): Add an argument, the statement in which
3784         OPERAND is used.  Check that if OPERAND's def stmt is a double
3785         reduction phi node, the use is a phi node too.
3786         (vect_is_simple_use_1): Add an argument, pass it to
3787         vect_is_simple_use.
3788         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3789         to vect_is_simple_use.
3790
3791 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3792
3793         PR rtl-optimization/52095
3794         * modulo-sched.c (dump_insn_locator): New function.
3795         (loop_canon_p, sms_schedule): Use it.
3796
3797         PR rtl-optimization/52113
3798         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3799         even for decomposable shift/zext insns.
3800
3801 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3802             Zdenek Dvorak  <ook@ucw.cz>
3803
3804         PR rtl-optimization/52092
3805         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3806         on get_iv_value result.
3807
3808 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3809
3810         PR middle-end/47982
3811         PR middle-end/43967
3812         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3813
3814 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3815
3816         PR middle-end/48071
3817         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3818
3819 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3820
3821         PR rtl-optimization/49800
3822         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3823         (sched_finish): Call regstat_free_n_sets_and_refs.
3824
3825 2012-02-02  Jia Liu  <proljc@gmail.com>
3826
3827         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3828         than operand 2.
3829
3830 2012-02-02  Jan Hubicka  <jh@suse.cz>
3831             Tom de Vries  <tom@codesourcery.com>
3832
3833         PR middle-end/51998
3834         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3835         * varpool.c (varpool_analyze_pending_decls): Likewise.
3836
3837 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3838             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3839
3840         * config.gcc: Add cr16-* support.
3841
3842         * doc/extend.texi: Document cr16 extensions.
3843         * doc/install.texi: Document cr16 install.
3844         * doc/invoke.texi: Document cr16 options.
3845         * doc/md.texi: Document cr16 constraints.
3846
3847         * common/config/cr16/cr16-common.c: New file.
3848         * config/cr16/cr16.c: New file.
3849         * config/cr16/cr16.h: New file.
3850         * config/cr16/cr16.md: New file.
3851         * config/cr16/cr16.opt: New file.
3852         * config/cr16/cr16-protos.h: New file.
3853         * config/cr16/predicates.md: New file.
3854         * config/cr16/constraints.md: New file.
3855         * config/cr16/t-cr16: New file.
3856
3857 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3858
3859         PR target/52086
3860         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3861         that operands[2] is either immediate, or q_regs_operand.
3862
3863         PR tree-optimization/52073
3864         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3865         a pattern stmt for pattern uses, ignore uses outside of the loop.
3866
3867 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3868
3869         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3870         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3871         (OUT_AS1, OUT_AS2): Remove.
3872
3873 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3874
3875         PR rtl-optimization/51374
3876         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3877         to cross other volatile_refs_p insns.
3878
3879 2012-02-01  Richard Guenther  <rguenther@suse.de>
3880
3881         * doc/invoke.texi (fno-inline): Clarify documentation.
3882         (finline-small-functions): Likewise.
3883         (finline-functions): Likewise.
3884         * common.opt (finline): Adjust comment and documentation.
3885         (finline-small-functions): Clarify documentation.
3886         (finline-functions): Likewise.
3887         (finline-functions-called-once): Likewise.
3888
3889 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3890
3891         * c-typeck.c (composite_type): Keep mode for pointers.
3892
3893 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3894
3895         * function.h (regno_reg_rtx): Adjust comment.
3896         * reginfo.c (init_reg_modes_target): Only use the previous mode
3897         if it fits within one register.  Remove MIPS comment.
3898
3899 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3900
3901         PR bootstrap/52058
3902         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3903
3904 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3905
3906         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3907         to srak instruction.
3908
3909 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3910
3911         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3912
3913 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3914
3915         PR bootstrap/52041
3916         PR bootstrap/52039
3917         PR target/51974
3918         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3919
3920 2012-01-31  Richard Guenther  <rguenther@suse.de>
3921
3922         PR tree-optimization/51528
3923         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3924         assigns.
3925
3926 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3927
3928         PR bootstrap/52041
3929         PR bootstrap/52039
3930         PR target/51974
3931         * ree.c (add_removable_extension): Change def_map argument
3932         to unsigned *, store in def_map 1 + offset into *insn_list vector
3933         instead of pointers into the vector.
3934         (find_removable_extensions): Adjust caller.
3935
3936 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3937
3938         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3939         Transform all "* quoted-c-code" to { c-code }.
3940         Remove redundant test for "optimize" in combine patterns.
3941         Move (include "avr-dimode.md") to end of file.
3942
3943 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3944
3945         PR target/51835
3946         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3947         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3948
3949 2012-01-30  Richard Guenther  <rguenther@suse.de>
3950
3951         PR tree-optimization/52028
3952         * tree-loop-distribution.c (ldist_gen): Properly update
3953         virtual SSA form.
3954
3955 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3956
3957         PR debug/52027
3958         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3959         set_cur_line_info_table if not emitting debug info.
3960
3961         PR tree-optimization/52046
3962         * tree-vect-patterns.c (check_bool_pattern): Give up if
3963         a comparison could throw.
3964
3965         PR debug/52048
3966         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3967
3968 2012-01-30  Richard Guenther  <rguenther@suse.de>
3969
3970         PR tree-optimization/52045
3971         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3972         SSA form if cfgcleanup did anything.
3973
3974 2012-01-30  Richard Guenther  <rguenther@suse.de>
3975
3976         PR tree-optimization/52045
3977         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3978         before computing final todo.
3979
3980 2012-01-30  Richard Guenther  <rguenther@suse.de>
3981
3982         PR tree-optimization/51528
3983         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3984         for PR51528 fix.
3985
3986 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3987
3988         * df-problems.c (df_kill_notes): Check that the use refers
3989         to the note under examination.
3990
3991 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3992
3993         PR target/51920
3994         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3995         parameter and use short-lived pseudos.
3996         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3997         (sparc_expand_vector_init): Const-ify local variables and adjust
3998         calls to above functions.
3999
4000 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4001
4002         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4003
4004 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
4005
4006         * doc/invoke.texi: Make usage of "compile time" and
4007         "run time"/"runtime" consistent throughout the file.
4008
4009 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
4010
4011         * config/alpha/alpha.c (alpha_option_override): Default to
4012         full IEEE compliance mode for Go language.
4013
4014 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
4015
4016         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4017         (LINK_SSP_SPEC): Define.
4018
4019 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4020
4021         PR target/51871
4022         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4023         stubs.
4024
4025 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
4026
4027         * doc/invoke.texi: Correct hyphenation of "floating point",
4028         "double precision", and related terminology throughout the file.
4029
4030 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
4031
4032         PR target/52006
4033         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4034         arm_general_register_operand predicate for operand 2 instead of
4035         register_operand.
4036
4037 2012-01-27  Ian Lance Taylor  <iant@google.com>
4038
4039         PR go/47656
4040         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4041         * builtins.c (expand_builtin_init_trampoline): Add onstack
4042         parameter.  Change caller.
4043         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4044         * tree.c (build_common_builtin_nodes): Declare
4045         __builtin_init_heap_trampoline.
4046
4047 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
4048
4049         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4050         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4051         * config/avr/avr.c: Ditto.
4052         (avr_regnames): Remove because unused.
4053         * config/avr/avr.md (*cpse.ne): New peephole.
4054         (*cpse.eq): New peephole from former cpse peepholes.
4055
4056 2012-01-27  Michael Eager  <eager@eagercon.com>
4057
4058         * config/microblaze.c (microblaze_emit_compare): Correct
4059         test after pcmp instruction.
4060
4061 2012-01-27  Richard Guenther  <rguenther@suse.de>
4062
4063         PR tree-optimization/52020
4064         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4065
4066 2012-01-27  Richard Guenther  <rguenther@suse.de>
4067
4068         * ipa-pure-const.c (check_stmt): Clobbers do not make a
4069         function non-const/pure.
4070
4071 2012-01-27  Richard Guenther  <rguenther@suse.de>
4072
4073         PR tree-optimization/50444
4074         * tree-sra.c (build_ref_for_offset): Properly adjust the
4075         MEM_REF type for unaligned accesses.
4076
4077 2012-01-27  Richard Guenther  <rguenther@suse.de>
4078
4079         PR tree-optimization/50444
4080         * expr.c (mem_ref_refers_to_non_mem_p): New function.
4081         (expand_assignment): Use it.  Properly handle misaligned
4082         bases when expanding stores to component references.
4083         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4084         refactor that case.
4085
4086 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
4087
4088         PR middle-end/51389
4089         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4090         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4091         * tree-data-ref.c (find_data_references_in_loop): Make static.
4092         (compute_all_dependences): Change return type to bool.  Bail out
4093         for too many datarefs in a loop.  Move the hunk resetting the data
4094         dependences vector from ...
4095         (compute_data_dependences_for_loop): ... here.  Account for
4096         compute_all_dependences returning false.
4097         (compute_data_dependences_for_bb): Likewise.
4098         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4099         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4100
4101 2012-01-27  Richard Guenther  <rguenther@suse.de>
4102
4103         PR middle-end/51959
4104         * expr.c (store_field): Use the alias-set of the scratch memory
4105         for storing to it.
4106
4107 2012-01-27  Tom de Vries  <tom@codesourcery.com>
4108
4109         PR tree-optimization/51990
4110         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4111         WITH_SIZE_EXPR.
4112         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4113
4114 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
4115
4116         PR debug/52001
4117         * var-tracking.c (reverse_op): Don't add any reverse operation
4118         if V already has any constant locations.
4119
4120 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4121
4122         * doc/invoke.texi: Correct usage of "command line" (noun)
4123         vs "command-line" (adjective) throughout.
4124
4125 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4126
4127         * doc/invoke.texi (Language Independent Options): Move
4128         -Wcoverage-mismatch blurb from here....
4129         (Warning Options): ...to here.
4130
4131 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
4132
4133         * config/rs6000/rs6000.c (rs6000_option_override_internal):
4134         Set rs6000_always_hint to false for 476.
4135
4136 2012-01-27  Matthias Klose  <doko@ubuntu.com>
4137
4138         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4139           system root.
4140         * incpath.c (add_standard_paths): Likewise.
4141
4142 2012-01-27  Richard Henderson  <rth@redhat.com>
4143
4144         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4145         * config/m68k/sync.md (atomic_test_and_set): Rename from
4146         sync_test_and_setqi and adjust the operands.
4147         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4148         and unconditionally enable.
4149
4150 2012-01-27  Richard Henderson  <rth@redhat.com>
4151
4152         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4153         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
4154         (ldstub): Rename from ldstubqi.
4155         (ldstub<I24MODE>): Remove.
4156
4157 2012-01-27  Richard Henderson  <rth@redhat.com>
4158
4159         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4160         * c-cppbuiltin.c (cpp_atomic_builtins): Define
4161         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4162         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4163         * doc/tm.texi: Rebuild.
4164
4165 2012-01-27  Richard Henderson  <rth@redhat.com>
4166
4167         * optabs.c (gen_atomic_test_and_set): Remove default.
4168         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4169
4170 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4171
4172         PR rtl-optimization/51978
4173         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4174         (combine_reaching_defs): Likewise.
4175         (struct re_info): Remove.
4176         (add_removable_extension): Remove x and data arguments,
4177         add insn, insn_list and def_map.  Use the arguments directly
4178         instead of using struct re_info.
4179         (find_removable_extensions): Don't call add_removable_extension
4180         through note_stores, instead just call it with single_set
4181         result if non-NULL.
4182         (find_and_remove_re): Pass curr_cand->expr instead of
4183         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4184
4185 2012-01-26  Michael Matz  <matz@suse.de>
4186
4187         PR tree-optimization/46590
4188         * cfgexpand.c: Revert last change (r183305).
4189         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4190         regs.
4191         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4192         checking for emptiness.
4193
4194 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4195
4196         PR middle-end/51895
4197         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4198         non-addressable non-BLKmode base correctly.
4199
4200 2012-01-26  Michael Matz  <matz@suse.de>
4201
4202         PR tree-optimization/48794
4203         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4204         regions referenced from RESX/EH_DISPATCH.
4205
4206 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4207
4208         * config/s390/s390.h: Make BRANCH_COST an option.
4209         * config/s390/s390.opt: New option -mbranch-cost.
4210
4211 2012-01-26  Richard Henderson  <rth@redhat.com>
4212
4213         Revert 2012-01-24 change:
4214         * trans-mem.c (requires_barrier): Do not instrument thread local
4215         variables and emit save/restore for them.
4216
4217 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4218
4219         PR middle-end/51986
4220         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4221         for pat == 0.
4222
4223 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
4224
4225         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4226         ASM_OPERANDS.
4227
4228 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
4229
4230         PR target/49868
4231         Rename __pgm to __flash.
4232         Rename __pgm1 to __flash1.
4233         Rename __pgm2 to __flash2.
4234         Rename __pgm3 to __flash3.
4235         Rename __pgm4 to __flash4.
4236         Rename __pgm5 to __flash5.
4237         Rename __pgmx to __memx.
4238         * doc/extend.texi (AVR Named Address Spaces)
4239         Rename address space names as indicated above.
4240         * config/avr/avr.c (avr_addrspace): Ditto.
4241
4242         * config/avr/avr-protos.h
4243         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4244         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4245         * config/avr/predicates.md: Ditto.
4246         * config/avr/avr.c Ditto, and
4247         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4248         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4249
4250         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4251         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4252         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4253         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4254         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4255         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4256         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4257         * config/avr/avr.c: Ditto.
4258         * config/avr/avr.md: Ditto.
4259
4260 2012-01-25  Jason Merrill  <jason@redhat.com>
4261
4262         PR c++/51992
4263         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4264
4265 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4266
4267         PR tree-optimization/51987
4268         * tree-data-ref.c (get_references_in_stmt): Handle references in
4269         non-volatile GIMPLE_ASM.
4270
4271 2012-01-25  Richard Guenther  <rguenther@suse.de>
4272
4273         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4274         bases are dereferenced.
4275
4276 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4277
4278         PR rtl-optimization/48374
4279         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4280
4281 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4282
4283         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4284         compute_data_dependences_for_loop returns false.
4285         * tree-parloops.c (loop_parallel_p): Likewise.
4286
4287 2012-01-25  Richard Guenther  <rguenther@suse.de>
4288
4289         * tree.h (get_pointer_alignment_1): Declare.
4290         * builtins.c (get_pointer_alignment_1): New function.
4291         (get_pointer_alignment): Use it.
4292
4293 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4294
4295         PR rtl-optimization/48308
4296         * combine.c (enum undo_kind): Add UNDO_LINKS.
4297         (struct undo): Add member l to other_contents and where.
4298         (do_SUBST_LINK): New.
4299         (SUBST_LINK): New.
4300         (try_combine): Handle LOG_LINKS for the dummy i1 case.
4301         (undo_all): Handle UNDO_LINKS.
4302
4303 2012-01-25  Richard Henderson  <rth@redhat.com>
4304
4305         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4306         mem inputs.
4307
4308 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4309
4310         * optabs.c (gen_atomic_test_and_set): Use each argument.
4311
4312 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4313
4314         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4315         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4316         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4317         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4318         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4319         TARGET_PAIRED_SINGLE_FLOAT.
4320
4321 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4322
4323         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4324         (in_struct, return_val): Remove MEM documentation.
4325         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4326         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4327         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4328         and MEM_SCALAR.
4329         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4330         * cfgexpand.c (add_alias_set_conflicts): Likewise.
4331         * expr.c (store_field): Likewise.
4332         * function.c (assign_stack_temp_for_type): Likewise.
4333         * ifcvt.c (noce_try_cmove_arith): Likewise.
4334         * reload1.c (reload): Likewise.
4335         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4336         (alpha_set_memflags): Likewise.
4337         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4338
4339 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4340
4341         * rtl.h (true_dependence, canon_true_dependence): Remove varies
4342         parameter.
4343         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4344         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4345         (true_dependence_1, true_dependence, canon_true_dependence): Remove
4346         varies parameter.
4347         * cselib.c (cselib_rtx_varies_p): Delete.
4348         (cselib_invalidate_mem): Update call to canon_true_dependence.
4349         * dse.c (record_store, check_mem_read_rtx): Likewise.
4350         (scan_reads_nospill): Likewise.
4351         * cse.c (check_dependence): Likewise.
4352         (cse_rtx_varies_p): Delete.
4353         * expr.c (safe_from_p): Update call to true_dependence.
4354         * ira.c (validate_equiv_mem_from_store): Likewise.
4355         (memref_referenced_p): Likewise.
4356         * postreload-gcse.c (find_mem_conflicts): Likewise.
4357         * sched-deps.c (sched_analyze_2): Likewise.
4358         * store-motion.c (load_kills_store): Likewise.
4359         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4360         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4361         (compute_transp): Update call to canon_true_dependence.
4362
4363 2012-01-25  Richard Henderson  <rth@redhat.com>
4364
4365         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4366         (maybe_emit_atomic_test_and_set): New.
4367         (expand_sync_lock_test_and_set): Use it.
4368         (expand_atomic_test_and_set): Likewise.
4369         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4370         the implementation; clarify implementation defined details.
4371         * doc/md.texi (atomic_test_and_set): Document.
4372
4373 2012-01-25  Richard Henderson  <rth@redhat.com>
4374
4375         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4376
4377 2012-01-25  Richard Henderson  <rth@redhat.com>
4378
4379         PR target/51968
4380         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4381         to effect no-op split.
4382
4383 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4384
4385         PR lto/51698
4386         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4387         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4388         (BT_FN_VOID_PTR_INT_SIZE): New.
4389         (BT_FN_UINT_UINT_VAR): Remove.
4390         (BT_FN_UINT32_UINT32_VAR): New.
4391         (BT_FN_DOUBLE_VPTR): Remove.
4392         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4393
4394         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4395         (_ITM_changeTransactionMode): Same.
4396         (_ITM_memmoveRtWt): Change return type to void.
4397         (_ITM_memcpyRtWt): Same.
4398         (_ITM_memsetW): Same.
4399         (_ITM_RaRD): Change types to double.
4400         (_ITM_RD): Same.
4401         (_ITM_RaWD): Same.
4402         (_ITM_RfWD): Same.
4403
4404         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4405
4406 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4407             Patrick Marlier  <patrick.marlier@gmail.com>
4408
4409         * trans-mem.c (requires_barrier): Do not instrument thread local
4410         variables and emit save/restore for them.
4411
4412 2012-01-24  Jason Merrill  <jason@redhat.com>
4413
4414         PR c++/51812
4415         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4416         output static aliases.
4417
4418 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4419
4420         PR driver/47249
4421         * common.opt (-pie, -shared, pie, shared): Change from Common to
4422         Driver.
4423         * gcc.c (display_help): Display help for -pie and -shared.
4424
4425 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
4426
4427         PR target/49868
4428         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4429         Remove note on size/offset limitation.
4430         (AVR Variable Attributes): Add example how to read data located
4431         with progmem.  Refer to named address spaces.
4432         * doc/invoke.texi (AVR Options): Fix typo.
4433
4434 2012-01-24  Richard Guenther  <rguenther@suse.de>
4435
4436         Forward-port to trunk
4437         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
4438
4439         PR middle-end/45678
4440         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4441         op0 isn't sufficiently aligned and there is movmisalignM
4442         insn for mode, use it to load op0 into a temporary register.
4443
4444 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4445
4446         PR target/51957
4447         * target.def (const_not_ok_for_debug_p): New hook.
4448         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4449         documentation.
4450         * doc/tm.texi: Regenerated.
4451         * dwarf2out.c (const_ok_for_output_1): If
4452         targetm.const_not_ok_for_debug_p returns true, fail.
4453         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4454         function.
4455         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4456
4457 2012-01-23  Kai Tietz  <ktietz@redhat.com>
4458
4459         PR target/51900
4460         * config/i386/predicates.md (symbolic_operand): Allow
4461         UNSPEC_PCREL as PIC expression for lea.
4462         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4463         * config/i386/i386.c (ix86_delegitimize_address): Handle
4464         UNSPEC_PCREL for none-MEM, too.
4465
4466 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4467
4468         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4469         (ipa_tm_create_version_alias): Same.
4470
4471 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
4472
4473         PR libitm/51830
4474         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4475         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4476
4477 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4478             Patrick Marlier  <patrick.marlier@gmail.com>
4479             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
4480
4481         PR lto/51916
4482         * lto-wrapper.c (run_gcc): Pass the LTO section name to
4483         simple_object_start_read.
4484
4485 2012-01-23  Richard Guenther  <rguenther@suse.de>
4486
4487
4488         PR tree-optimization/51895
4489         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4490         parameter decomposition into BLKmode components.
4491
4492 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
4493
4494         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4495         fake variables for restrict-qualified pointers whose pointed-to type
4496         contains a placeholder.
4497
4498 2012-01-23  Richard Guenther  <rguenther@suse.de>
4499
4500         PR tree-optimization/51949
4501         * ipa-split.c (execute_split_functions): Do not split malloc functions.
4502
4503 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
4504
4505         PR rtl-optimization/51933
4506         * ree.c (transform_ifelse): Return true right away if dstreg is
4507         already wider or equal to cand->mode.
4508         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4509         (make_defs_and_copies_lists): Remove defs_list and copies_list
4510         arguments, add state argument, just truncate state->work_list
4511         instead of always allocating and freeing the vector.  Assert that
4512         get_defs succeeds instead of returning 2.  Changed return type to bool.
4513         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
4514         have ext_src_mode, see if it has been modified already with the
4515         right kind of extension and has been extended before from the
4516         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
4517         just return true.  Remember the original mode in state->modified array.
4518         (combine_reaching_defs): Add state argument.  Don't allocate and
4519         free here def_list, copied_list and vec vectors, instead just
4520         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
4521         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4522         Add state variable, clear vectors in it, initialize state.modified
4523         if needed.  Free all the vectors at the end and state.modified too.
4524         Don't skip a candidate if the extension expression has been modified.
4525
4526 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
4527
4528         PR target/47096
4529         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4530          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4531         (extra_options) interix.opt -> i386/interix.opt"
4532         (extra_objs):Add winnt-stubs.o
4533         * configure.ac: Add interix to target_os .comm on PE check.
4534         * configure: Regenerate.
4535         * config/interix3.h: Delete and move bits to..
4536         * config/interix.h: Delete and move bits to..
4537         * config/i386/i386-interix3.h: Delete and move bits to..
4538         * config/i386/i386-interix.h: ..here.
4539         (TARGET_CPU_DEFAULT): Remove redefinition.
4540         (TARGET_ASM_CONSTRUCTOR): Undefine.
4541         (SUBTARGET_SWITCHES): Define for ms-bitfields.
4542         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4543         (PTRDIFF_TYPE): Define.
4544         (LONG_DOUBLE_TYPE_SIZE): Define.
4545         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4546         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4547         (TARGET_SECTION_TYPE_FLAGS): Define.
4548         (ASM_DECLARE_FUNCTION_NAME): Define.
4549         (ASM_OUTPUT_EXTERNAL): Define.
4550         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4551         (ASM_OUTPUT_ALIGNED_BSS): Define.
4552         (PCC_BITFIELD_TYPE_MATTERS): Define.
4553         (USE_CONST_SECTION): Define.
4554         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4555         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4556         (SUPPORTS_ONE_ONLY): Remove.
4557         (I386_PE_STRIP_ENCODING): Define.
4558         * config/interix.opt: Delete and move bits to..
4559         * config/i386/interix.opt: ..here. New.
4560         (mpe-aligned-commons): Add.
4561         * config/i386/t-interix: Add copyright header.
4562         (winnt-stubs.o): Add rule.
4563
4564 2012-01-22  Jason Merrill  <jason@redhat.com>
4565
4566         PR c++/51832
4567         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4568         for extra name aliases.
4569
4570 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4571
4572         PR rtl-optimization/51924
4573         * ree.c (combine_set_extension): Improve debugging message.
4574         (combine_reaching_defs): Likewise.
4575         (get_defs): Rename confusingly named variable.
4576         (find_and_remove_re): Skip a candidate if the extension expression has
4577         been modified.
4578
4579 2012-01-21  Robert Millan  <rmh@gnu.org>
4580             Gerald Pfeifer  <gerald@pfeifer.com>
4581
4582         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4583         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4584
4585 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4586
4587         PR tree-optimization/51914
4588         * tree-vect-stmts.c (vectorizable_conversion): For
4589         cvt_type && modifier == WIDEN, put temporary with cvt_type
4590         at the beginning of vec_dsts and set vec_dest to temporary
4591         with vectype_out.
4592
4593 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
4594
4595         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4596
4597 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
4598
4599         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4600         * config/rs6000/rs6000.c: Likewise.
4601
4602 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4603
4604         PR target/51915
4605         * config/arm/arm.c (arm_count_output_move_double_insns): Call
4606         output_move_double on a copy of operands array.
4607
4608 2012-01-20  Cary Coutant  <ccoutant@google.com>
4609             Dodji Seketeli  <dodji@redhat.com>
4610
4611         PR debug/45682
4612         * dwarf2out.c (copy_declaration_context): Return ref to parent
4613         of declaration DIE, if necessary.
4614         (remove_child_or_replace_with_skeleton): Add new parameter; update
4615         caller.  Place skeleton DIE under parent DIE of original declaration.
4616         Move call to copy_declaration_context to here ...
4617         (break_out_comdat_types): ... from here.
4618
4619 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4620
4621         PR rtl-optimization/51856
4622         * reload.c (find_reloads_subreg_address): Set the address_reloaded
4623         flag to reloaded.
4624
4625 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4626
4627         PR target/51819
4628         * config/arm/arm.c (arm_print_operand): Correct output of alignment
4629         hints for neon loads and stores.
4630
4631 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
4632
4633         PR target/49868
4634         PR target/50887
4635         * doc/extend.texi (Named Address Spaces): Split into subsections.
4636         (AVR Named Address Spaces): New subsection.
4637         (M32C Named Address Spaces): New subsection.
4638         (RL78 Named Address Spaces): New subsection.
4639         (SPU Named Address Spaces): New subsection.
4640         (Variable Attributes): New anchor "AVR Variable Attributes".
4641         (AVR Variable Attributes): Rewrite and avoid wording
4642         "address space" in this context.
4643         * doc/invoke.texi (AVR Options): Rewrite and add documentation
4644         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4645         (AVR Built-in Macros): New subsubsection therein.
4646         * doc/md.texi (AVR constraints): Remove "C04", "R".
4647
4648 2012-01-20  Richard Guenther  <rguenther@suse.de>
4649
4650         PR tree-optimization/51903
4651         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4652         when removing stmts.
4653
4654 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4655
4656         PR target/50313
4657         * config/arm/arm.c (arm_load_pic_register): Use
4658         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4659         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4660         (arm_pic_static_addr): Likewise.
4661         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4662         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4663         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4664         (pic_load_addr_unified): New.
4665
4666 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
4667
4668         PR target/51106
4669         * function.c (instantiate_virtual_regs_in_insn): Use
4670         delete_insn_and_edges when removing a wrong asm insn.
4671
4672 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
4673
4674         PR rtl-optimization/40761
4675         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4676         Add new member loop_num.
4677         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4678         (ira_build): Remove the parameter.
4679
4680         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4681         (ira.c): Do not build CFG loops for one region allocation.  Remove
4682         argument from ira_build call.
4683
4684         * ira-build.c (init_loop_tree_node): New function.
4685         (create_loop_tree_nodes): Use it.  Separate the case when CFG
4686         loops are not built.
4687         (more_one_region_p): Check current_loops.
4688         (finish_loop_tree_nodes): Separate the case when CFG loops are not
4689         built.
4690         (add_loop_to_tree): Process loop equal to NULL too.
4691         (form_loop_tree): Separate the case when CFG loops are not built.
4692         Use explicitly number for the root.
4693         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4694         an assertion.
4695         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4696         instead of loop->num.
4697         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
4698         (mark_all_loops_for_removal): Ditto.
4699         (remove_unnecessary_regions): Separate the case when CFG loops
4700         are not built.
4701         (ira_build): Remove the parameter.  Use explicit number of regions
4702         when CFG loops are not built.
4703
4704         * ira-color.c (print_loop_title): Separate the case for the root node.
4705         Use loop_num instead of loop->num.
4706         (move_spill_restore): Use loop_num instead of loop->num.
4707
4708         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4709         (change_loop): Ditto.
4710         (change_loop): Use loop_num instead of loop->num.
4711
4712         * ira-lives.c (process_bb_node_lives): Ditto.
4713
4714         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4715
4716         * ira-conflicts.c (print_allocno_conflicts): Ditto.
4717
4718 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
4719
4720         PR libmudflap/40778
4721         * tree-mudflap.c (mf_artificial): New function.
4722         (execute_mudflap_function_ops, execute_mudflap_function_decls,
4723         mx_register_decls, mudflap_enqueue_decl): Use it.
4724
4725         PR target/51876
4726         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4727         numbers in the insn pattern.
4728
4729 2012-01-19  Michael Matz  <matz@suse.de>
4730
4731         PR tree-optimization/46590
4732         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4733         use it in remembering which conflicts we already created.
4734         (add_scope_conflicts): Adjust call to above, (de)allocate helper
4735         bitmap.
4736
4737 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
4738
4739         PR lto/51280
4740         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4741         (merge_and_complain): Same.
4742
4743 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
4744
4745         PR bootstrap/50237
4746         * config/initfini-array.h: Guard content of the header
4747         with #ifdef HAVE_INITFINI_ARRAY.
4748         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4749         Add initfini-array.h to tm_file here.
4750         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4751         * config.gcc: Don't add initfini-array.h to tm_file here.
4752         * configure: Regenerated.
4753
4754 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
4755
4756         PR rtl-optimization/51505
4757         * df-problems.c (df_kill_notes): New parameter live. Update comment.
4758         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4759         (df_note_bb_compute): Update the call to df_kill_notes.
4760
4761 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
4762
4763         * trans-mem.c (requires_barrier): Remove call to is_global_var.
4764
4765 2012-01-18  Richard Guenther  <rguenther@suse.de>
4766
4767         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4768         of conversions to void *.
4769
4770 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4771             Richard Sandiford  <rdsandiford@googlemail.com>
4772
4773         PR middle-end/50325
4774         PR middle-end/51192
4775         * optabs.h (simplify_expand_binop): Declare.
4776         * optabs.c (simplify_expand_binop): Make global.
4777         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4778         endian targets if the source cannot be exactly covered by word
4779         mode chunks.
4780
4781 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
4782
4783         PR bootstrap/51872
4784         * hard-reg-set.h (struct hard_reg_set_container): New type.
4785         * target.h (struct hard_reg_set_container): Forward declare.
4786         * target.def (set_up_by_prologue): New target hook.
4787         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4788         * doc/tm.texi: Regenerated.
4789         * function.c (thread_prologue_and_epilogue_insns): Change
4790         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4791         Call targetm.set_up_by_prologue on it.
4792         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4793         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4794
4795 2012-01-17  Nick Clifton  <nickc@redhat.com>
4796
4797         * config/rx/rx.c (rx_can_use_simple_return): New function.
4798         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4799         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4800
4801 2012-01-17  Richard Guenther  <rguenther@suse.de>
4802
4803         PR middle-end/51782
4804         * expr.c (expand_assignment): Take address-space information
4805         from the address operand of MEM_REF and TARGET_MEM_REF.
4806         (expand_expr_real_1): Likewise.
4807
4808 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4809
4810         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4811         reload dump is requested.
4812
4813 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
4814
4815         PR other/51165
4816         * trans-mem.c (requires_barrier): Call may_be_aliased.
4817
4818 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
4819
4820         PR tree-optimization/51877
4821         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4822         call arguments and fndecls compare equal, instead return false if they
4823         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
4824         both SSA_NAMEs that are valueized the same, or they satisfy
4825         operand_equal_p.
4826
4827 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4828
4829         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4830         Solaris 11+.
4831         * configure: Regenerate.
4832
4833 2012-01-16  Jan Hubicka  <jh@suse.cz>
4834
4835         PR c/12245
4836         PR c++/14179
4837         * convert.c (convert_to_integer): Use fold_convert for
4838         converting an INTEGER_CST to integer type.
4839
4840 2012-01-16  Jason Merrill  <jason@redhat.com>
4841
4842         PR c++/14179
4843         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4844
4845 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
4846
4847         PR bootstrap/51860
4848         * config/s390/s390.c (s390_chunkify_start): Don't skip
4849         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
4850         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4851         If insn is followed by NOTE_INSN_VAR_LOCATION or
4852         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4853         Don't use location of note insns.
4854
4855         PR tree-optimization/51865
4856         * tree-inline.c (tree_function_versioning): Call remap_decl
4857         on DECL_RESULT whenever it has VOID_TYPE_P type.
4858
4859 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
4860
4861         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4862         for calls to locally-binding MIPS16 functions if only the return
4863         type uses float regs.
4864
4865 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
4866             Richard Sandiford  <rdsandiford@googlemail.com>
4867
4868         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4869         (SYMBOL_32_HIGH): Likewise.
4870         (mips_output_tls_reloc_directive): Declare.
4871         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4872         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4873         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4874         (mips_lo_relocs, mips_hi_relocs): Make extern.
4875         (mips16_stub_function): Move up file.
4876         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4877         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
4878         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
4879         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4880         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
4881         (mips_get_tp): Add MIPS16 support.
4882         (mips_legitimize_tls_address): Remove MIPS16 sorry().
4883         Generalize DTPREL and TPREL handling.
4884         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4885         Add MIPS16 TLS support.
4886         (mips_output_tls_reloc_directive): New function.
4887         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4888         * config/mips/predicates.md (symbolic_operand_with_high)
4889         (tls_reloc_operand): New predicates.
4890         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4891         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4892         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4893         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
4894         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4895         (*tls_get_tp_mips16_call_<mode>): Likewise.
4896
4897 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
4898
4899         PR rtl-optimization/51821
4900         * recog.c (peep2_find_free_register): Determine clobbered registers
4901         from insn pattern.
4902
4903 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
4904
4905         PR target/50925
4906         * config/avr/avr-protos.h: Revert change of 2012-01-09.
4907         * config/avr/avr.c: Likewise.
4908         * config/avr/avr.h: Likewise.
4909
4910 2012-01-13  Ian Lance Taylor  <iant@google.com>
4911
4912         PR c++/50012
4913         * tree.h (TYPE_QUALS): Add cast to int.
4914         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4915
4916 2012-01-13  Ian Lance Taylor  <iant@google.com>
4917
4918         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4919         comparing param_index to VEC_length result.
4920
4921 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
4922
4923         * c-decl.c: Do not include tree-mudflap.h
4924         * tree-optimize.c: Likewise.
4925         * Makefile.in: Update dependencies.
4926
4927 2012-01-13  Richard Guenther  <rguenther@suse.de>
4928
4929         PR middle-end/8081
4930         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4931         variable-sized result always use RSO.
4932
4933 2012-01-12  DJ Delorie  <dj@redhat.com>
4934
4935         * cfgexpand.c (convert_debug_memory_address): Allow any valid
4936         pointer type, not just the default pointer type.
4937
4938 2012-01-09  Richard Henderson  <rth@redhat.com>
4939             Denis Chertykov  <chertykov@gmail.com>
4940
4941         PR target/50925
4942         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4943         * config/avr/avr.c (avr_can_eliminate): Simplify.
4944         (avr_initial_elimination_offset): Likewise.
4945         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4946         (expand_epilogue): Likewise.
4947         (avr_legitimize_address): Gut.
4948         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4949         (avr_hard_regno_nregs): New.
4950         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4951         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4952         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4953         add soft frame pointer.
4954         (CALL_USED_REGISTERS): Likewise.
4955         (REG_CLASS_CONTENTS): Likewise.
4956         (REGISTER_NAMES): Likewise.
4957         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4958         (HARD_FRAME_POINTER_REGNUM): New.
4959         (FRAME_POINTER_REGNUM): Use soft frame pointer.
4960         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4961         remove the HARD_FRAME_POINTER self-elimination.
4962
4963 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
4964
4965         PR target/51756
4966         * config/avr/avr.c (avr_encode_section_info): Test for absence of
4967         DECL_EXTERNAL when checking for initializers of progmem variables.
4968
4969 2012-01-12  Ira Rosen  <irar@il.ibm.com>
4970
4971         PR tree-optimization/51799
4972         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4973         that the last operation is a type demotion.
4974
4975 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
4976
4977         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4978         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4979
4980 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
4981
4982         PR bootstrap/51796
4983         * combine.c (distribute_notes): If i3 is a noreturn call,
4984         allow old_size to be equal to args_size and make sure the
4985         noreturn call gets REG_ARGS_SIZE note.
4986         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4987         on noreturn calls even when the delta is 0.
4988
4989 2012-01-11  Nathan Sidwell  <nathan@acm.org>
4990
4991         * gcov.c (STRING_SIZE): Remove.
4992         (generate_results): Erase annotations for source files with no
4993         coverage information.
4994         (read_line): New.
4995         (output_lines): Use it.
4996
4997 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4998
4999         * gimple.h (gimplify_body): Remove first argument.
5000         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
5001         pointer set here, instead just pass DATA to walk_tree.
5002         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
5003         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5004         (unvisit_body): Likewise, but with unmark_visited.
5005         (gimplify_body): Remove BODY_P argument and adjust.
5006         (gimplify_function_tree): Adjust call to gimplify_body.
5007         * omp-low.c (finalize_task_copyfn): Likewise.
5008
5009 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5010
5011         * tree.h (build_function_decl_skip_args): Add boolean parameter.
5012         (build_function_type_skip_args): Delete.
5013         * tree.c (build_function_type_skip_args): Make static and add
5014         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
5015         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5016         pass it to build_function_type_skip_args.
5017         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5018         (tree_function_versioning): Likewise.
5019         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5020         build_function_decl_skip_args.
5021         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5022         and pass it to build_function_decl_skip_args/tree_function_versioning.
5023         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5024         * ipa-inline-transform.c (save_inline_function_body): Likewise.
5025         * trans-mem.c (ipa_tm_create_version): Likewise.
5026         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5027         * tree-inline.c (declare_return_variable): Remove always-true test.
5028         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
5029         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5030         * ipa-split.c (split_function): Skip the return value for the split
5031         part if it doesn't return.
5032
5033 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5034
5035         PR tree-optimization/49642
5036         * ipa-split.c (forbidden_dominators): New variable.
5037         (check_forbidden_calls): New function.
5038         (dominated_by_forbidden): Likewise.
5039         (consider_split): Check for forbidden dominators.
5040         (execute_split_functions): Initialize and free forbidden
5041         dominators info; call check_forbidden_calls.
5042
5043 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5044
5045         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5046
5047 2012-01-11  Nick Clifton  <nickc@redhat.com>
5048
5049         * config/rx/rx.md (return): Define pattern.
5050
5051 2012-01-11  Richard Guenther  <rguenther@suse.de>
5052
5053         * doc/extend.texi (malloc attribute): Adjust according to
5054         implementation.
5055
5056 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
5057             Patrick Marlier  <patrick.marlier@gmail.com>
5058
5059         PR middle-end/51516
5060         * trans-mem.c (get_cg_data): Traverse aliases if requested.
5061         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5062         (ipa_tm_note_irrevocable): Same.
5063         (ipa_tm_scan_irr_block): Same.
5064         (ipa_tm_decrement_clone_counts): Same.
5065         (ipa_tm_scan_irr_function): Same.
5066         (ipa_tm_create_version_alias): Same.
5067         (ipa_tm_create_version): Same.
5068         (ipa_tm_transform_calls_redirect): Same.
5069         (ipa_tm_transform_calls): Same.
5070         (ipa_tm_transform_transaction): Same.
5071         (ipa_tm_execute): Same.
5072
5073 2012-01-10  Richard Guenther  <rguenther@suse.de>
5074
5075         PR middle-end/51806
5076         * opts.c (common_handle_option): Handle -Werror.
5077
5078 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
5079
5080         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5081         operand number.
5082
5083 2012-01-10  Jason Merrill  <jason@redhat.com>
5084
5085         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5086         information.
5087
5088 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5089
5090         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5091         supports R_386_TLS_GD_PLT reloc.
5092         (gcc_cv_as_ix86_tlsldmplt): Check if linker
5093         supports R_386_TLS_LDM_PLT reloc.
5094         * configure: Regenerate.
5095         * config.in: Regenerate.
5096
5097 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
5098
5099         PR target/49868
5100         Extend __pgmx semantics to linearize memory.
5101         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5102         determine if code comes inline or from libgcc.
5103         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5104         (movmem_qi, movmem_qi): Set constraint #2 to "n".
5105         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5106         (movmemx_qi, movmemx_hi): New insns.
5107         (xload_<mode>_libgcc): Rewrite to new insn condition.
5108         (xload_<mode>): Remove insns.
5109         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5110         cases that don't satisfy avr_xload_libgcc_p().
5111         (avr_addr_space_convert): Allow converting in any direction.
5112         (avr_addr_space_subset_p): Return always true.
5113         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5114         (avr_emit_movmemhi): Ditto.
5115         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
5116         (avr_out_movmem): Ditto.
5117         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
5118         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
5119         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
5120         (avr_encode_section_info): Encode 'progmem' in symbol flags.
5121         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
5122
5123 2012-01-10  Richard Guenther  <rguenther@suse.de>
5124
5125         PR tree-optimization/50913
5126         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
5127         Require data-refs to be representable by Graphite with respect
5128         to any loop nest.
5129
5130 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
5131
5132         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
5133         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
5134
5135 2012-01-10  Tom de Vries  <tom@codesourcery.com>
5136
5137         PR rtl-optimization/51271
5138         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
5139         handling annulled branch.
5140
5141 2012-01-10  Richard Henderson  <rth@redhat.com>
5142
5143         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
5144         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
5145         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
5146         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
5147         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
5148         arm_expand_vec_perm_const): New.
5149         * config/arm/arm-protos.h: Update.
5150         * config/arm/neon.md (UNSPEC_VCONCAT): New.
5151         (*neon_vswp<VDQX>): New.
5152         (neon_vcombine<VDX>): Use neon_split_vcombine.
5153         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
5154         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
5155         (vec_perm<VE>): New.
5156
5157 2012-01-10  Richard Henderson  <rth@redhat.com>
5158
5159         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
5160         use it if reload_completed.
5161         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
5162         arm_output_asm_insn, arm_process_output_memory_barrier,
5163         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
5164         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
5165         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
5166         arm_process_output_sync_insn, arm_output_sync_insn,
5167         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
5168         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
5169         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
5170         (emit_unlikely_jump): New.
5171         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
5172         (arm_split_atomic_op): New.
5173         * config/arm/arm-protos.h: Update.
5174         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
5175         (struct arm_sync_generator): Remove.
5176         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5177         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5178         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5179         (VUNSPEC_LL, VUNSPEC_SC): New.
5180         (sync_result, sync_memory, sync_required_value, sync_new_value,
5181         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5182         (attr length): Don't use arm_sync_loop_insns.
5183         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5184         (movsfcc, movdfcc): Likewise.
5185         * config/arm/constraints.md (Ua): New.
5186         * config/arm/prediates.md (mem_noofs_operand): New.
5187         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5188         (sync_clobber, sync_t2_reqd): Remove.
5189         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5190         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5191         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5192         (arm_sync_compare_and_swap<SIDI>): Remove.
5193         (arm_sync_compare_and_swap<NARROW>): Remove.
5194         (arm_sync_lock_test_and_set<SIDI>): Remove.
5195         (arm_sync_lock_test_and_set<NARROW>): Remove.
5196         (arm_sync_new_<syncop><SIDI>): Remove.
5197         (arm_sync_new_<syncop><NARROW>): Remove.
5198         (arm_sync_new_nand<SIDI>): Remove.
5199         (arm_sync_new_nand<NARROW>): Remove.
5200         (arm_sync_old_<syncop><SIDI>): Remove.
5201         (arm_sync_old_<syncop><NARROW>): Remove.
5202         (arm_sync_old_nand<SIDI>): Remove.
5203         (arm_sync_old_nand<NARROW>): Remove.
5204         (*memory_barrier): Merge arm_output_memory_barrier.
5205         (atomic_compare_and_swap<QHSD>): New.
5206         (atomic_compare_and_swap<NARROW>_1): New.
5207         (atomic_compare_and_swap<SIDI>_1): New.
5208         (atomic_exchange<QHSD>): New.
5209         (cas_cmp_operand, cas_cmp_str): New.
5210         (atomic_op_operand, atomic_op_str): New.
5211         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5212         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5213         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5214         (arm_load_exclusive<NARROW>): New.
5215         (arm_load_exclusivesi, arm_load_exclusivedi): New.
5216         (arm_store_exclusive<QHSD>): New.
5217
5218 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
5219
5220         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5221         reload patterns if -mvsx-scalar-memory.
5222
5223         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5224         generated, even -mno-vsx-scalar-double was used.
5225         (vsx_xscvdpsp_scalar): Likewise.
5226         (vsx_xscvspdp_scalar2): Likewise.
5227
5228 2012-01-09  Tom de Vries  <tom@codesourcery.com>
5229             Andrew Pinski  <apinski@cavium.com>
5230
5231         PR debug/51471
5232         * reorg.c (fill_slots_from_thread): Don't speculate
5233         frame-related insns.
5234
5235 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
5236
5237         * sched-int.h (bb_note): Move to...
5238         * basic-block.h: ...here.
5239         * haifa-sched.c (bb_note): Move to...
5240         * cfgrtl.c: ...here.
5241         * function.c (next_block_for_reg): New function.
5242         (move_insn_for_shrink_wrap): Likewise.
5243         (prepare_shrink_wrap): Rewrite to use the above.
5244
5245 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
5246
5247         * gimple.c (is_gimple_non_addressable): Remove.
5248         * gimple.h: Remove is_gimple_non_addressable.
5249         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5250         is_gimple_non_addressable.
5251         * trans-mem.c (expand_assign_tm): Same.
5252
5253 2012-01-09  Richard Guenther  <rguenther@suse.de>
5254
5255         PR tree-optimization/51775
5256         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5257         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5258
5259 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5260
5261         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5262         tuning parameters.
5263         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5264
5265 2012-01-09  Richard Guenther  <rguenther@suse.de>
5266
5267         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5268
5269 2012-01-08  Jan Hubicka  <jh@suse.cz>
5270
5271         PR tree-optimize/51680
5272         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5273         on when known_vals needs to be computed; cleanup.
5274
5275 2012-01-08  Jan Hubicka  <jh@suse.cz>
5276
5277         PR tree-optimize/51694
5278         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5279
5280 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
5281
5282         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5283         for -std=c++98 and -std=c++11 too.
5284
5285 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
5286
5287         * cfgloop.c (cancel_loop): Add free() of bbs array.
5288
5289 2012-01-07  Jan Hubicka  <jh@suse.cz>
5290
5291         PR tree-optimization/51600
5292         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5293         that benefits small functions.
5294
5295 2012-01-07  Jan Hubicka  <jh@suse.cz>
5296
5297         * ipa-inline.c (want_inline_small_function_p): Fix formating.
5298
5299 2012-01-07  Jan Hubicka  <jh@suse.cz>
5300
5301         PR tree-optimization/51680
5302         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5303         whose inlining reduce unit size.
5304
5305 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
5306
5307         PR bootstrap/51725
5308         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5309         Add canonical node to containing_mem chain after the non-canonical
5310         one, even if there weren't any locs to propagate.
5311         (remove_useless_values): Keep only canonical values.
5312         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5313         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
5314         canonicalize mem_chain elements that are not discarded.
5315
5316 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
5317
5318         PR target/47333
5319         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5320         before emitting functions.
5321
5322         PR gcov-profile/50127
5323         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5324         clear_aux_for_blocks.
5325
5326 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
5327
5328         PR debug/51746
5329         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5330
5331 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
5332
5333         * c-decl.c (ext_block): Moved up.
5334         (collect_all_refs, for_each_global_decl): Take ext_block into account.
5335
5336 2012-01-06  Han Shen  <shenhan@google.com>
5337
5338         Translate built-in include paths for sysroot.
5339         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5340         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5341
5342         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5343         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5344
5345         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5346         control whether sysroot should be prepended to gxx include dir.
5347
5348         * configure: Regenerate.
5349
5350 2012-01-06  Torvald Riegel  <triegel@redhat.com>
5351
5352         PR rtl-optimization/51771
5353         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5354         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5355
5356 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5357
5358         PR tree-optimization/51315
5359         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5360         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5361
5362 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
5363
5364         PR target/51681
5365         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5366         for shrp pattern.  Correctly handle and fixup shift variable.
5367         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5368
5369 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5370
5371         PR debug/51762
5372         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5373         note when !ACCUMULATE_OUTGOING_ARGS.
5374
5375 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5376
5377         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5378         condition.
5379         (extract_range_from_unary_expr_1): Avoid useless computations.
5380
5381 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5382
5383         PR rtl-optimization/51767
5384         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5385         of jump_block and add an extra edge for degenerated asm gotos.
5386
5387         PR middle-end/51768
5388         * stmt.c (check_unique_operand_names): Don't ICE during error
5389         reporting if i is from labels chain.
5390
5391         PR middle-end/44777
5392         * profile.c (branch_prob): Split bbs that have exit edge
5393         and need a fake entry edge too.
5394
5395 2012-01-05  Jan Hubicka  <jh@suse.cz>
5396
5397         PR middle-end/49710
5398         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5399         unlooping loops.
5400
5401 2012-01-05  Richard Guenther  <rguenther@suse.de>
5402
5403         PR lto/50490
5404         * tree-streamer-out.c (write_ts_optimization): New function.
5405         (streamer_write_tree_body): Call it.
5406         * tree-streamer-in.c (lto_input_ts_optimization): New function.
5407         (streamer_read_tree_body): Call it.
5408         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5409
5410 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5411
5412         PR middle-end/51761
5413         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5414         * gimplify.c (gimplify_cleanup_point_expr): Save and set
5415         in_cleanup_point_expr before gimplify_stmt call and restore it
5416         afterwards.
5417         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5418         in_cleanup_point_expr is false.
5419
5420 2012-01-05  Richard Guenther  <rguenther@suse.de>
5421
5422         PR middle-end/51764
5423         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5424         to c.opt.
5425         * toplev.c (process_options): Reject combining mudflap and LTO.
5426         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5427
5428 2012-01-05  Richard Guenther  <rguenther@suse.de>
5429
5430         PR tree-optimization/51760
5431         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5432         not VARYING.
5433         (bit_value_unop): Handle UNDEFINED operands.
5434         (bit_value_binop): Likewise.
5435
5436 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
5437
5438         * config/avr/avr.c (avr_replace_prefix): Remove.
5439         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5440         (avr_asm_function_rodata_section): Ditto.
5441         (avr_asm_select_section): Ditto.
5442
5443 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
5444
5445         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5446         insertion.
5447
5448 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5449
5450         PR bootstrap/51648
5451         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5452         calls that have any non-fake successor edges.
5453
5454         PR debug/51746
5455         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5456
5457 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5458
5459         PR tree-optimization/51624
5460         * tree-sra.c (build_ref_for_model): When replicating a chain of
5461         COMPONENT_REFs, stop as soon as the offset would become negative.
5462
5463 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
5464
5465         PR debug/51695
5466         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5467         in .debug_loc on the floor.
5468
5469 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5470
5471         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5472
5473 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5474             Adam Nemet  <anemet@caviumnetworks.com>
5475
5476         * config/mips/mips.md (size): Add SI and DI.
5477         (SIZE): New mode attribute.
5478         (U): New code attribute.
5479         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5480         (mips_lbux_<mode>): Delete.
5481         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5482         (mips_lhx): Use gen_mips_lhx_extsi.
5483         (mips_lhx_<mode>): Delete.
5484         (mips_lwx): Delete.
5485         (mips_l<size>x): New expand.
5486         (mips_lwx_<mode>): Delete.
5487         (mips_l<GPR:size>x_<P:mode>): New pattern.
5488         (*mips_lw<u>x_<P:mode>_ext): Likewise.
5489         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5490         * config/mips/mips.c (mips_lx_address_p): New function.
5491         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5492         (dsp64): New availability predicate.
5493         (mips_builtins): Add an entry for __builtin_mips_ldx.
5494         * config/mips/mips.h (ISA_HAS_LBX): New define.
5495         (ISA_HAS_LBUX): Likewise.
5496         (ISA_HAS_LHX): Likewise.
5497         (ISA_HAS_LHUX): Likewise.
5498         (ISA_HAS_LWX): Likewise.
5499         (ISA_HAS_LWUX): Likewise.
5500         (ISA_HAS_LDX): Likewise.
5501         * doc/extend.texi (__builtin_mips_ldx): Document.
5502
5503 2012-01-04  Tristan Gingold  <gingold@adacore.com>
5504
5505         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5506         when long pointers are used.
5507         * config.build (*-*-*vms*): Handle all OpenVMS targets.
5508         (alpha64-dec-*vms*, alpha*-dec-*vms*)
5509         (ia64-hp-*vms*): Remove.
5510         * config/vms/xm-vms64.h: Delete.
5511
5512 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5513
5514         PR middle-end/51472
5515         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5516
5517 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5518
5519         * opts.c (finish_options): Remove duplicate sorry.
5520
5521 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5522
5523         PR middle-end/51696
5524         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5525         correctly.
5526
5527 2012-01-04  Richard Guenther  <rguenther@suse.de>
5528
5529         PR middle-end/51750
5530         * tree.c (size_low_cst): New function.
5531         * tree.h (size_low_cst): Declare.
5532         * fold-const.c (fold_comparison): Use it to extract the low
5533         part of the POINTER_PLUS_EXPR offset.
5534
5535 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
5536
5537         Fix clearing ZERO_REG
5538         * config/avr/avr.md (cc): Add alternative "ldi".
5539         (movqi_insn): Use it in cc attribute.
5540         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5541         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5542         (output_reload_insisf): Use ZERO_REG to pre-clear register.
5543
5544 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5545
5546         * configure: Regenerate.
5547
5548 2012-01-04  Richard Guenther  <rguenther@suse.de>
5549
5550         PR tree-optimization/49651
5551         * tree-ssa-structalias.c (type_can_have_subvars): New function.
5552         (var_can_have_subvars): Use it.
5553         (get_constraint_for_1): Only consider subfields if there can be any.
5554
5555 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5556
5557         PR bootstrap/51725
5558         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5559         to its new canonical_cselib_val and the cselib_val was in
5560         first_containing_mem chain, but the canonical_cselib_val was not,
5561         add the latter into the chain.
5562         (cselib_invalidate_mem): Compare canonical_cselib_val of
5563         addr_list chain elt with v.
5564
5565         PR pch/51722
5566         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5567         dwarf2out_undef): Allocate e.info using ggc_strdup instead
5568         of xstrdup.
5569         (output_macinfo_op): Don't ggc_strdup fd->filename.
5570         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5571         then ggc_strdup it.  Don't free inc->info or cur->info.
5572         (output_macinfo): Don't free ref->info or file->info.
5573
5574 2012-01-03  Ira Rosen  <irar@il.ibm.com>
5575
5576         PR tree-optimization/51269
5577         * tree-vect-loop-manip.c (set_prologue_iterations): Make
5578         first_niters a pointer.
5579         (slpeel_tree_peel_loop_to_edge): Likewise.
5580         (vect_do_peeling_for_loop_bound): Update call to
5581         slpeel_tree_peel_loop_to_edge.
5582         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5583         here.  Remove it from the parameters list.
5584         (vect_do_peeling_for_alignment): Update calls and compute
5585         wide_prolog_niters.
5586
5587 2012-01-03  Richard Guenther  <rguenther@suse.de>
5588
5589         PR tree-optimization/51070
5590         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5591         Properly handle calls.
5592
5593 2012-01-03  Richard Guenther  <rguenther@suse.de>
5594
5595         PR tree-optimization/51692
5596         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5597         the LHS of allocation stmts.
5598
5599 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5600
5601         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5602
5603 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5604
5605         * collect2.c (main): In AIX specific computations for vector
5606         insertions, use CONST_CAST2 to cast from char ** to const char **.
5607
5608 2012-01-03  Richard Guenther  <rguenther@suse.de>
5609
5610         PR debug/51650
5611         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5612         the context of a limbo DIE when it does not already exist.
5613
5614 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5615
5616         PR tree-optimization/51719
5617         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5618         but direct call is, clear direct call's lhs and don't add fallthrough
5619         edge from dcall_bb to join_bb and PHIs.
5620
5621 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5622
5623         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5624         the instructions emitted by the pattern.
5625         ("*TDC_insn_<mode>"): Add comment.
5626
5627 2012-01-03  Richard Guenther  <rguenther@suse.de>
5628
5629         PR middle-end/51730
5630         * fold-const.c (fold_comparison): Properly canonicalize
5631         tree offset and HOST_WIDE_INT bit position.
5632
5633 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
5634
5635         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5636         operands for extzv pattern.
5637
5638 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5639
5640         PR bootstrap/51725
5641         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5642         on mem_elt first.
5643
5644 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
5645
5646         * doc/invoke.texi (-flto and related options): Copy-edit.
5647
5648 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5649
5650         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5651
5652 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5653
5654         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5655         New patterns.
5656
5657 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5658
5659         * expr.h (move_by_pieces_ninsns): Declare.
5660         * expr.c (move_by_pieces_ninsns): Make external.
5661         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5662         (mips_store_by_pieces_p): Likewise.
5663         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5664         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5665         * config/mips/mips.c (mips_move_by_pieces_p): New function.
5666         (mips_store_by_pieces_p): Likewise.
5667
5668 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5669
5670         * passes.c (register_one_dump_file): Free full_name.
5671
5672         * reload1.c (reload): Don't allocate reg_max_ref_width here.
5673         (calculate_elim_costs_all_insns): Free offsets_at and
5674         offsets_known_at at the end and clear the pointers.
5675
5676 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5677
5678         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5679         this option introduced in r180739.
5680
5681 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5682
5683         PR target/51345
5684         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5685         (tmake_file target=avr): Add avr/t-multilib.
5686
5687         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5688         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5689         * config/avr/genmultilib.awk: New file.
5690         * config/avr/t-multilib: New auto-generated file.
5691         * config/avr/multilib.h: New auto-generated file.
5692         * config/avr/t-avr (AVR_MCUS): New variable.
5693         (genopt.sh): Use it.
5694         (s-mlib): Depend on t-multilib.
5695         (t-multilib, multilib.h): New dependencies.
5696         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5697         (MULTILIB_OPTIONS): Remove.
5698         (MULTILIB_MATCHES): Remove.
5699         (MULTILIB_DIRNAMES): Remove.
5700         (MULTILIB_EXCEPTIONS): Remove:
5701         * config/avr/genopt.sh: Don't use hard coded file name;
5702         pass AVR_MCUS from t-avr instead.
5703
5704 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5705
5706         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5707
5708 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5709
5710         Implement light-weight DImode support.
5711         * config/avr/avr-dimode.md: New file.
5712         * config/avr/avr.md: Include it.
5713         (adjust_len): Add plus64, compare64.
5714         (HIDI): Remove code iterator.
5715         (code_stdname): New code attribute.
5716         (rotx, rotsmode): Remove DI.
5717         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5718         as code iterator.
5719         * config/avr/avr-protos.h (avr_have_dimode): New.
5720         (avr_out_plus64, avr_out_compare64): New.
5721         * config/avr/avr.c (avr_out_compare): Handle DImode.
5722         (avr_have_dimode): New variable definition and initialization.
5723         (avr_out_compare64, avr_out_plus64): New functions.
5724         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5725         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5726         (avr_compare_pattern): Skip DImode comparisons.
5727
5728 2012-01-02  Revital Eres  <revital.eres@linaro.org>
5729
5730         * ddg.c (def_has_ccmode_p): New function.
5731         (add_cross_iteration_register_deps,
5732         create_ddg_dep_from_intra_loop_link): Call it.
5733
5734 2012-01-02  Richard Guenther  <rguenther@suse.de>
5735
5736         PR other/51679
5737         * invoke.texi (fassociative-math): Remove spurious paranthesis.
5738
5739 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
5740
5741         * gcc.c (process_command): Update copyright notice dates.
5742         * gcov.c (print_version): Likewise.
5743         * gcov-dump.c (print_version): Likewise.
5744         * mips-tfile.c (main): Likewise.
5745         * mips-tdump.c (main): Likewise.
5746
5747 2012-01-01  Ira Rosen  <irar@il.ibm.com>
5748
5749         PR tree-optimization/51704
5750         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5751         a use is inside the basic block or loop before accessing its vect info.
5752
5753 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
5754
5755         PR rtl-optimization/51069
5756         * cfgloopmanip.c (remove_path): Removing path making irreducible
5757         region unconditional makes BB part of the region.
5758
5759 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
5760
5761         PR tree-optimization/51683
5762         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5763         calls with side-effects.
5764         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5765 \f
5766 Copyright (C) 2012 Free Software Foundation, Inc.
5767
5768 Copying and distribution of this file, with or without modification,
5769 are permitted in any medium without royalty provided the copyright
5770 notice and this notice are preserved.