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