OSDN Git Service

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