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1 2012-08-28  Walter Lee  <walt@tilera.com>
2         Backport from mainline
3         2012-08-28  Walter Lee  <walt@tilera.com>
4         
5         * confg/tilegx/tilegx.md: Fix code style.
6         (*zero_extendsidi_truncdisi): Fix typo.
7         * config/tilegx/tilegx.c: Fix code style.
8         (tilegx_function_profiler): Fix typo.
9
10 2012-08-27  Walter Lee  <walt@tilera.com>
11
12         Backport from mainline
13         2012-08-27  Walter Lee  <walt@tilera.com>
14         
15         * doc/md.texi (TILE-Gx): Fix typo.
16
17 2012-08-27  Walter Lee  <walt@tilera.com>
18
19         Backport from mainline
20         2012-08-27  Walter Lee  <walt@tilera.com>
21         
22         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
23         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
24         
25 2012-08-27  Walter Lee  <walt@tilera.com>
26
27         Backport from mainline
28         2012-08-27  Walter Lee  <walt@tilera.com>
29         
30         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
31         (insn_bfins): Delete.
32
33 2012-08-27  Walter Lee  <walt@tilera.com>
34
35         Backport from mainline
36         2012-08-27  Walter Lee  <walt@tilera.com>
37
38         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
39         atomic_exchange_bare<mode>,
40         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
41         * config/tilegx/tilegx-generic.md (X1_remote): New
42         insn_reservation.
43         * config/tilegx/tilegx.md (type): Add X1_remove.
44         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
45         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
46         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
47         X1_remote.
48
49 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
50
51         PR rtl-optimization/54088
52         * jump.c (delete_related_insns): Robustify latest change.
53
54 2012-08-21  Richard Guenther  <rguenther@suse.de>
55
56         Backport from mainline
57         2012-08-16  Richard Guenther  <rguenther@suse.de>
58
59         PR middle-end/54146
60         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
61         exit vector.
62         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
63         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
64         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
65         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
66         (tree_ssa_lim_finalize): Free all mem_refs.
67         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
68         scc when bailing out.
69         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
70         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
71         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
72         FOR_EACH_LOOP_BREAK.
73
74         2012-08-17  Richard Guenther  <rguenther@suse.de>
75
76         * tree-sra.c (modify_function): Free redirect_callers vector.
77         * ipa-split.c (split_function): Free args_to_pass vector.
78         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
79         vec_oprnds.
80         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
81         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
82         (vect_analyze_slp_instance): Free everything.
83         (destroy_bb_vec_info): Free the SLP instances.
84
85         2012-08-17  Richard Guenther  <rguenther@suse.de>
86  
87         * params.def (integer-share-limit): Decrease from 256 to 251,
88         add rationale.
89
90         2012-08-21  Richard Guenther  <rguenther@suse.de>
91  
92         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
93         the affine expansion cache.
94
95 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
96
97         Backported from trunk
98         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
99
100         PR middle-end/53992
101         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
102
103 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
104
105         Backport from mainline.
106         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
107
108         PR target/54212
109         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
110         mark as predicable. Adjust asm template.
111         (vec_setv2di_internal): Likewise.
112         (vec_extract<mode> VD, VQ): Likewise.
113         (vec_extractv2di): Likewise.
114         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
115         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
116         (neon_vdup_n<mode> VX, V32): Likewise.
117         (neon_vdup_nv2di): Likewise.
118
119 2012-08-17  Walter Lee  <walt@tilera.com>
120
121         Backport from mainline
122         2012-08-17  Walter Lee  <walt@tilera.com>
123
124         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
125         (FEEDBACK_ENTER): Define.
126         (FEEDBACK_REENTER): Define.
127         (FEEDBACK_ENTRY): Define.
128         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
129         (FEEDBACK_ENTER): Define.
130         (FEEDBACK_REENTER): Define.
131         (FEEDBACK_ENTRY): Define.
132
133 2012-08-16  Walter Lee  <walt@tilera.com>
134
135         Backport from mainline
136         2012-08-16  Walter Lee  <walt@tilera.com>
137
138         * config.gcc (tilegx-*-linux*): Add feedback.h.
139         (tilepro-*-linux*): Likewise.
140         * config/tilegx/feedback.h: New file.
141         * config/tilepro/feedback.h: New file.
142
143 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
144
145         Backport from mainline r189840 and r187586:
146         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
147
148         * config/i386/i386.md (stack_protect_set): Disable the pattern
149         for Android since Android libc (bionic) does not provide random
150         value for stack protection guard at gs:0x14. Guard value
151         will be provided from external symbol (default implementation).
152         (stack_protect_set_<mode>): Likewise.
153         (stack_protect_test): Likewise.
154         (stack_protect_test_<mode>): Likewise.
155         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
156         not have Bionic by default
157         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
158         Macro OPTION_BIONIC is defined in this file and provides Bionic
159         accessibility status
160
161         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
162
163         * configure.ac: Stack protector enabling for Android targets.
164         * configure: Regenerate.
165
166 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
167
168         Backported from trunk
169         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
170
171         PR rtl-optimization/53942
172         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
173         directly from likely spilled non-fixed hard registers, move them
174         to pseudo first.
175
176 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
177
178         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
179         (xop_phaddubq): Ditto.
180
181 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
182
183         Backport from mainline
184         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
185                     Richard Earnshaw  <rearnsha@arm.com>
186
187         * target.def (vector_alignment): New target hook.
188         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
189         * doc/tm.texi: Regenerate.
190         * targhooks.c (default_vector_alignment): New function.
191         * targhooks.h (default_vector_alignment): Add prototype.
192         * stor-layout.c (layout_type): Use targetm.vector_alignment.
193         * config/arm/arm.c (arm_vector_alignment): New function.
194         (TARGET_VECTOR_ALIGNMENT): Define.
195
196         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
197         vector type alignment instead of size.
198         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
199         element type size directly instead of computing it from alignment.
200         Fix variable naming and comment.
201
202 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
203
204         Backport from mainline
205         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
206
207         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
208         (alpha_pad_function_end): ... this.  Also insert NOP between
209         sibling call and GP load.
210         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
211
212 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
213
214         Backport from mainline
215         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
216                     H.J. Lu  <hongjiu.lu@intel.com>
217
218         PR rtl-optimization/54157
219         * combine.c (gen_lowpart_for_combine): Don't return identity
220         for CONST or symbolic reference.
221
222 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
223
224         Backport from mainline
225         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
226
227         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
228         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
229         split_cost argument signed.
230         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
231         (ix86_avoid_lea_for_addr): Ditto.
232
233         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
234
235         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
236         the address has less than two components.
237
238 2012-08-02  Steve Ellcey  <sellcey@mips.com>
239
240         Backport from mainline
241         2012-07-19  Steve Ellcey  <sellcey@mips.com>
242
243         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
244         MIPS16 mode.
245
246 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
247
248         Backport from mainline
249         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
250
251         PR target/53961
252         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
253         negative constant address for TARGET_X32 ...
254         (ix86_decompose_address): ... here.  Reject constant addresses
255         that don't satisfy x86_64_immediate_operand predicate.
256
257         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
258
259         PR target/53961
260         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
261         * config/i386/i386.c (ix86_print_operand_address): Ditto.
262         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
263         addresses.  Prevent zero extensions of CONST_INT operands.
264
265         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
266
267         PR target/53961
268         * config/i386/i386.md (*lea): New insn pattern.
269         (*lea_1): Remove.
270         (*lea<mode>_2): Ditto.
271         (*lea_{3,4,5,6}_zext): Ditto.
272         * config/i386/predicates.md (lea_address_operand): Do not reject
273         zero-extended address operands.
274         * config/i386/constraints.md (j): Remove address constraint.
275         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
276         of an address.
277         (ix86_print_operand_address): Handle SImode subreg of an address.
278         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
279
280 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
281
282         Backport from mainline
283         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
284
285         PR target/52530
286         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
287         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
288         to set code to 'q'.
289         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
290         (*movdi_internal_rex64): Use %E operand modifier for lea.
291         (*movsi_internal): Ditto.
292         (*lea_1): Ditto.
293         (*lea<mode>_2): Ditto.
294         (*lea_{3,4,5,6}_zext): Ditto.
295         (*tls_global_dynamic_32_gnu): Ditto.
296         (*tls_global_dynamic_64): Ditto.
297         (*tls_dynamic_gnu2_lea_32): Ditto.
298         (*tls_dynamic_gnu2_lea_64): Ditto.
299         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
300
301 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
302
303         Backport from mainline
304         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
305
306         * config/i386/i386.c (ix86_address_subreg_operand): Reject
307         stack pointer.
308         (ix86_print_operand_address): Assert that parts.base and parts.index
309         are non-NULL after call to simplify_subreg.
310
311 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
312
313         PR target/33135
314         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
315         description.
316         * config/sh/sh.c (sh_option_override): Do not change
317         flag_finite_math_only.  Set TARGET_IEEE to complement of
318         flag_finite_math_only.
319         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
320         description of mieee and mno-ieee behavior.
321
322 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
323
324         PR target/53877
325         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
326         (_lzcnt_u64): Ditto.
327
328 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
329
330         Backport from mainline
331         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
332
333         PR rtl-optimization/52250
334         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
335         to put note list into.  Unconditionally call move_bb_info.
336         (move_bb_info): Do not assert the blocks being in the same region,
337         just drop the note list if they are not.
338
339 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
340
341         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
342
343 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
344
345         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
346         defining statement is a SSA name that occurs in abnormal PHIs.
347
348 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
349
350         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
351         conversions.
352
353 2012-07-19  Richard Guenther  <rguenther@suse.de>
354             Eric Botcazou  <ebotcazou@adacore.com>
355
356         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
357         about transition from invariant to known bits.
358         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
359
360 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
361
362         PR middle-end/54017
363         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
364         (cleanup_tree_cfg_bb): Don't call it.
365         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
366         handling.
367
368 2012-07-19  Christian Bruel  <christian.bruel@st.com>
369
370         PR target/54029
371         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
372
373 2012-07-18  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
374
375         * config.gcc (v850-*-rtems*): New target.
376         * config/v850/rtems.h: New.
377         * config/v850/t-rtems: New.
378
379 2012-07-18  Nick Clifton  <nickc@redhat.com>
380
381         * doc/invoke.texi (ARM Options): Document -munaligned-access.
382
383 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
384
385         PR target/53961
386
387         Backport from mainline
388         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
389
390         PR target/53110
391         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
392         instead expand it as zero extension.
393
394 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
395
396         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
397         QImode and HImode splitters.  Use ix86_comparison_operator.
398         Explicitly match FLAGS_REG.
399         (DFmode cmove splitter): Explicitly match FLAGS_REG.
400
401 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
402             Steven Bosscher  <steven@gcc.gnu.org>
403             Bernd Schmidt  <bernds@codesourcery.com>
404
405         PR rtl-optimization/53908
406         * df-problems.c (can_move_insns_across): When doing
407         memory-reference book-keeping, handle call insns.
408
409 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
410
411         Backport from mainline
412         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
413
414         PR target/53811
415         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
416         sibcall_insn_operand.  Move it to a temporary register if not.
417
418         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
419
420         PR target/53853
421         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
422         emit PIC sequence for fnaddr symbol reference in advance.
423
424 2012-07-09  Jason Merrill  <jason@redhat.com>
425
426         PR c++/53882
427         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
428         (type_hash_eq): Likewise.
429
430         PR c++/53826
431         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
432
433 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
434
435         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
436         due to negative shift amount.
437
438 2012-07-06  Kai Tietz  <ktietz@redhat.com>
439
440         Backport from mainline.
441         PR bootstrap/52947
442         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
443         as "/mingw/include".
444
445 2012-07-06  Nick Clifton  <nickc@redhat.com>
446
447         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
448         default_encode_section_info.
449
450 2012-07-06  Richard Guenther  <rguenther@suse.de>
451
452         Backport from mainline
453         2012-03-30  Richard Guenther  <rguenther@suse.de>
454
455         PR middle-end/52786
456         * double-int.c (rshift_double): Remove not needed cast.
457
458         2012-03-28  Richard Guenther  <rguenther@suse.de>
459
460         PR middle-end/50708
461         * double-int.h (rshift_double): Remove.
462         * double-int.c (lshift_double): Use absu_hwi to make count
463         positive.
464         (rshift_double): Make static, take unsigned count argument,
465         remove handling of negative count argument.
466         (double_int_rshift): Dispatch to lshift_double.
467
468 2012-07-06  Richard Guenther  <rguenther@suse.de>
469
470         Backport from mainline
471         2012-06-18  Richard Guenther  <rguenther@suse.de>
472
473         PR tree-optimization/53693
474         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
475         Reject operands with more than one use.
476
477 2012-07-06  Richard Guenther  <rguenther@suse.de>
478
479         Backport from mainline
480         2012-04-11  Richard Guenther  <rguenther@suse.de>
481
482         PR middle-end/52621
483         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
484         consider loop nesting.
485         (evolution_function_is_univariate_p): Properly check the remainder
486         for chrecs.
487
488 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
489
490         Backport from mainline
491         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
492
493         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
494         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
495         (adjacent_mem_locations): Move some code to and call...
496         (get_memref_parts): ...new function.
497         (mem_locations_overlap): New function.
498         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
499         (is_mem_ref): Rename to...
500         (find_mem_ref): ...this. Return MEM rtx.
501         (get_store_dest): Remove function.
502         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
503         new parameter and adjust calls.
504         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
505         mem refs overlap for true_store_to_load_dep_costly.
506         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
507         passed to adjacent_mem_locations.
508         (is_costly_group): Walk resolved dependency list.
509         (force_new_group): Emit group ending nop for Power6/Power7.
510         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
511         (group_ending_nop): New define_insn.
512
513 2012-07-04  Richard Guenther  <rguenther@suse.de>
514
515         PR middle-end/53433
516         * gimple-fold.c (get_base_constructor): Do not return an
517         error_mark_node DECL_INITIAL.
518
519 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
520
521         Backport from mainline
522         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
523
524         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
525         code model string in the error message.
526
527 2012-07-04  Tristan Gingold  <gingold@adacore.com>
528
529         Backport from mainline.
530         2012-06-25  Tristan Gingold  <gingold@adacore.com>
531
532         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
533         (seh_cfa_adjust_cfa): ... that function.
534         (seh_emit_stackalloc): Do not emit out of range values.
535         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
536         UNSPEC_DEF_CFA constants.
537         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
538         * config/i386/i386.c (ix86_frame_pointer_required): Required
539         for very large frames on SEH target.
540         (ix86_compute_frame_layout): Save area is before frame pointer
541         on SEH target.  Handle very large frames.
542         (ix86_expand_prologue): Likewise.
543
544 2012-07-04  Richard Guenther  <rguenther@suse.de>
545
546         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
547         as in free_lang_data_in_type.
548
549 2012-07-02  Martin Jambor  <mjambor@suse.cz>
550
551         Backport from mainline.
552         2012-07-02  Martin Jambor  <mjambor@suse.cz>
553
554         PR middle-end/38474
555         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
556         dynamic type change check.
557
558 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
559
560         * tree-eh.c (lower_try_finally_switch): Really put the location of the
561         last statement of the finally block onto the switch.
562
563 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
564
565         * configure: Regenerate.
566
567         Backport from mainline.
568         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
569
570         * config.gcc (target_type_format_char): New. Document it. Set it for
571         arm*-*-* .
572         * configure.ac (gnu_unique_option): Use target_type_format_char
573         in test.  Comment rationale.
574
575 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
576
577         Backport from mainline.
578         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
579
580         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
581
582 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
583
584         Backport from 2012-06-28 mainline r189049
585
586         PR 53595
587         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
588         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
589         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
590         avr_hard_regno_call_part_clobbered.
591
592 2012-06-28  Richard Guenther  <rguenther@suse.de>
593
594         PR middle-end/53790
595         * expr.c (expand_expr_real_1): Verify if the type is complete
596         before inspecting its size.
597
598 2012-06-27  Nick Clifton  <nickc@redhat.com>
599
600         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
601         input operand.
602
603 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
604
605         PR debug/53682
606         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
607
608 2012-06-26  Nick Clifton  <nickc@redhat.com>
609
610         * config/rx/rx.md (simple_return): Use the simple_return rtx.
611
612 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
613
614         PR target/53759
615         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
616         of x x x in the vmovlps load alternative.
617
618 2012-06-22  Richard Guenther  <rguenther@suse.de>
619
620         * gcov-iov.c: Include bconfig.h and system.h.
621
622 2012-06-22  Richard Guenther  <rguenther@suse.de>
623
624         PR gcov-profile/53744
625         * gcov-iov.c (main): Treat "" and "prerelease" the same.
626
627 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
628
629         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
630         DECL_IGNORED_P non-reg vars even if they are used.
631
632 2012-06-19  Jason Merrill  <jason@redhat.com>
633
634         PR c++/52637
635         * dwarf2out.c (modified_type_die): Use scope_die_for.
636         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
637         (uses_local_type_r, uses_local_type): New.
638         (scope_die_for): Keep a type that uses a local type in local scope.
639         Use get_context_die for namespace and type scope.
640
641 2012-06-19  Richard Guenther  <rguenther@suse.de>
642
643         PR middle-end/53470
644         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
645         replace it with the first non-BLOCK context.
646
647 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
648
649         PR rtl-optimization/53700
650
651         Backport from mainline
652         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
653
654         * ira-color.c (setup_left_conflict_sizes_p): Process all
655         conflicting objects.
656
657 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
658
659         Backport from mainline
660         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
661
662         PR target/52908
663         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
664         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
665         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
666         instead of xop_mulv2div2di3_low.
667         (xop_p<macs>dql): Fix vec_select selector.
668         (xop_p<macs>dqh): Ditto.
669         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
670         (xop_mulv2div2di3_high): Ditto.
671
672 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
673
674         Backport from mainline:
675         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
676
677         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
678
679 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
680
681         Backport from mainline:
682         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
683
684         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
685         * config/pa/pa.c (pa_attr_length_millicode_call): Use
686         MAX_PCREL17F_OFFSET instead of fixed offset.
687         (pa_attr_length_call): Likewise.
688         (pa_attr_length_indirect_call): Likewise.
689
690 2012-06-15  Walter Lee  <walt@tilera.com>
691
692         Backport from mainline:
693         2012-06-15  Walter Lee  <walt@tilera.com>
694
695         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
696
697         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
698
699         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
700
701 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
702
703         Backport from mainline:
704
705         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
706         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
707         * gimple.h (block_in_transaction): Check for flag_tm.
708
709 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
710
711         PR tree-optimization/52558
712
713         Backport from mainline:
714         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
715         * gimple.h (gimple_set_in_transaction): Remove.
716         (gimple_in_transaction): Look in BB instead.
717         (gimple_statement_base): Remove in_transaction field.
718         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
719         * trans-mem.c (compute_transaction_bits): Place transaction bit
720         information into basic blocks.
721
722         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
723
724         PR tree-optimization/52558
725         * cfg.c (alloc_aux_for_edge): Fix comment.
726         (alloc_aux_for_edge): Remove static.
727         * basic-block.h (alloc_aux_for_edge): Protoize.
728         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
729         (execute_sm_if_changed_flag): New.
730         (execute_sm_if_changed_flag_set): New.
731         (execute_sm): Do not generate data races unless requested.
732         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
733         (tree_ssa_lim_finalize): Call free_aux_for_edges.
734         * gimple.h (block_in_transaction): New.
735         (gimple_in_transaction): Use block_in_transaction.
736
737 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
738
739         Backported from mainline
740         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
741
742         PR rtl-optimization/53589
743         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
744         discovery even when e->dest != target.  If any LABEL_REF points
745         to e->dest label, redirect it to target's label.
746
747         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
748
749         PR middle-end/53580
750         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
751         returns false, replace stmt with GIMPLE_NOP.
752         (check_omp_nesting_restrictions): Instead of issuing warnings,
753         issue errors and return false if any errors were reported.
754
755 2012-06-14  Richard Guenther  <rguenther@suse.de>
756
757         * BASE-VER: Set to 4.7.2.
758         * DEV-PHASE: Set to prerelease.
759
760 2012-06-12  Christian Bruel  <christian.bruel@st.com>
761
762         PR target/53621
763         * config/sh/sh.c (sh_option_override): Don't force
764          flag_omit_frame_pointer and maccumulate_outgoing_args.
765         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
766
767 2012-06-14  Release Manager
768
769         * GCC 4.7.1 released.
770
771 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
772
773         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
774
775 2012-06-13  Richard Henderson  <rth@redhat.com>
776
777         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
778         iterator instead of INT.
779
780 2012-06-08  Richard Henderson  <rth@redhat.com>
781
782         PR c++/53602
783         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
784         note to a clobber insn when no other insn is available.
785
786 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
787
788         PR c++/53524
789         * doc/invoke.texi (Wenum-compare): Update documentation.
790
791 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
792
793         PR target/53559
794         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
795         operands.
796         (altivec_stvlxl): Ditto.
797         (altivec_stvrx): Ditto.
798         (altivec_stvrxl): Ditto.
799
800 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
801
802         PR middle-end/47530
803         * trans-mem.c (expand_block_edges): Do not skip the first
804         statement when resetting the BB.
805
806 2012-06-04  Richard Guenther  <rguenther@suse.de>
807
808         PR middle-end/53471
809         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
810         create new assembler names.
811
812 2012-06-04  Richard Guenther  <rguenther@suse.de>
813
814         Backport from mainline
815         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
816
817         PR middle-end/52979
818         * stor-layout.c (get_best_mode): Don't return mode with bitsize
819         larger than maxbits.  Don't compute maxbits modulo align.
820         Also check that unit bytes long store at bitpos / unit * unit
821         doesn't affect bits beyond bitregion_end.
822         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
823         would not fit into bitregion_start ... bitregion_end + 1 bit
824         region.
825         (store_split_bit_field): Decrease unit close to end of bitregion_end
826         if access is restricted in order to avoid mutual recursion.
827
828 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
829
830         Backport from 2012-06-04 mainline r188172
831
832         PR target/46261
833         * config/avr/avr-stdint.h: New file.
834         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
835         newlib-stdint.h
836
837 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
838
839         PR tree-optimization/53550
840         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
841         is POINTER_TYPE_P, use sizetype as step type instead of type.
842
843 2012-06-04  Richard Guenther  <rguenther@suse.de>
844             Eric Botcazou  <ebotcazou@adacore.com>
845
846         Backport from mainline
847         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
848
849         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
850         Change type of BITOFFSET to signed.  Make sure the lower bound of
851         the computed range is non-negative by adjusting OFFSET and BITPOS.
852         (expand_assignment): Adjust call to get_bit_range.
853
854         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
855
856         * expr.c (get_bit_range): Return the null range if the enclosing record
857         is part of a larger bit field.
858
859         2012-03-20  Richard Guenther  <rguenther@suse.de>
860
861         * stor-layout.c (finish_bitfield_representative): Fallback
862         to conservative maximum size if the padding up to the next
863         field cannot be computed as a constant.
864         (finish_bitfield_layout): If we cannot compute the distance
865         between the start of the bitfield representative and the
866         bitfield member start a new representative.
867         * expr.c (get_bit_range): The distance between the start of
868         the bitfield representative and the bitfield member is zero
869         if the field offsets are not constants.
870
871         2012-03-16  Richard Guenther  <rguenther@suse.de>
872
873         * stor-layout.c (finish_bitfield_representative): Fall back
874         to the conservative maximum size if we cannot compute the
875         size of the tail padding.
876
877         2012-03-14  Richard Guenther  <rguenther@suse.de>
878
879         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
880         * stor-layout.c (start_bitfield_representative): New function.
881         (finish_bitfield_representative): Likewise.
882         (finish_bitfield_layout): Likewise.
883         (finish_record_layout): Call finish_bitfield_layout.
884         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
885         for QUAL_UNION_TYPE fields.
886         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
887         Stream DECL_BIT_FIELD_REPRESENTATIVE.
888         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
889
890         PR middle-end/52080
891         PR middle-end/52097
892         PR middle-end/48124
893         * expr.c (get_bit_range): Unconditionally extract bitrange
894         from DECL_BIT_FIELD_REPRESENTATIVE.
895         (expand_assignment): Adjust call to get_bit_range.
896
897 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
898
899         PR middle-end/53501
900         * fold-const.c (fold_binary_loc): Refine previous change.
901
902 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
903
904         Backport from mainline
905         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
906
907         PR target/52667
908         * config/sh/sh.c (find_barrier): Add equality check of last_got to
909         avoid going above orig insn.  Update comments.
910
911 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
912
913         Backport from mainline
914         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
915
916         PR target/52642
917         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
918         prologue for unwinder and profiler.
919
920 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
921
922         Backport from mainline
923         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
924
925         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
926
927 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
928
929         Backport from mainline
930         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
931
932         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
933         DBX_REGISTER_NUMBER.
934
935 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
936
937         Backport from mainline
938         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
939
940         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
941         operand is CONST_INT.  Take COSTS_N_INSNS into account.
942         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
943         shiftcosts.     
944
945 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
946
947         * config/avr/avr.opt (-msp8): Document it.
948         * doc/invoke.texi (AVR Options): Copy from trunk docu.
949
950 2012-05-31  Richard Guenther  <rguenther@suse.de>
951
952         PR middle-end/48493
953         * expr.c (expand_assignment): Do not use movmisalign on
954         non-memory.
955
956 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
957
958         PR target/52999
959         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
960         (pa_section_type_flags): New.
961         (pa_legitimate_constant_p): Revert previous change.
962
963 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
964
965         Backport from mainline
966         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
967
968         PR middle-end/53008
969         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
970         accessed indirectly.
971         (ipa_tm_create_version): Same.
972
973 2012-05-30  Jason Merrill  <jason@redhat.com>
974
975         PR c++/53220
976         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
977         about array compound literals.
978
979 2012-05-30  Richard Guenther  <rguenther@suse.de>
980
981         PR middle-end/53501
982         * fold-const.c (fold_binary_loc): Make sure to call
983         fold_plusminus_mult_expr with the original sign of operands.
984
985 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
986
987         * explow.c (probe_stack_range): Restore simple control flow and stop
988         again when the probe cannot be generated if HAVE_check_stack.
989
990 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
991
992         PR rtl-optimization/53519
993         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
994         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
995
996 2012-05-29  Richard Guenther  <rguenther@suse.de>
997
998         PR tree-optimization/53516
999         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1000         bitfield accesses.
1001         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1002
1003 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1004
1005         Backport from mainline
1006         2012-05-28  Richard Guenther  <rguenther@suse.de>
1007
1008         PR tree-optimization/53438
1009         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1010
1011 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1012
1013         Backport from mainline
1014         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1015
1016         PR rtl-optimization/52528
1017         * combine.c (can_combine_p): Add setting of subst_low_luid
1018         before call to expand_field_assignment().
1019
1020 2012-05-26  Martin Jambor  <mjambor@suse.cz>
1021
1022         Backport from mainline
1023         2012-05-23  Martin Jambor  <mjambor@suse.cz>
1024
1025         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1026
1027 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1028
1029         PR lto/52178
1030         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1031         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1032
1033 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1034
1035         PR target/53435
1036         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1037         (ix86_expand_vec_perm): Use int mode instead of float.
1038
1039 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1040
1041         PR ada/52362
1042         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1043         gnu_ld variables to yes.
1044         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1045         (HAVE_GNU_AS): Likewise.
1046         * config.in: Regenerate.
1047         * configure: Likewise.
1048
1049 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1050
1051         Backport from mainline
1052         2012-03-12  Richard Guenther  <rguenther@suse.de>
1053         * config/arm/arm.c (neon_dereference_pointer): Do not call
1054         covert during RTL expansion.
1055
1056 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1057
1058         Backport from mainline
1059         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1060
1061         PR target/53385
1062         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1063         relied on signed overflow behavior.
1064
1065 2012-05-24  Richard Guenther  <rguenther@suse.de>
1066
1067         PR middle-end/53460
1068         * tree-profile.c (tree_profiling): Cleanup the CFG if
1069         execute_fixup_cfg requests it.
1070
1071 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1072
1073         PR tree-optimization/53465
1074         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1075         vr0 into *vr, then vrp_meet that.
1076         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1077         have any equivalences.
1078         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1079         first time.
1080
1081 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1082
1083         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1084         size handling.
1085         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1086         (iterative_hash_gimple_type): Adjust comment.
1087         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1088         domain for an array type instead of the domain type itself.
1089
1090 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1091
1092         Backport from 2012-05-23 mainline r187803
1093
1094         PR target/53448
1095         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1096         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1097         ASM_OUTPUT_ALIGN.
1098
1099 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1100
1101         Backport from 2012-05-03 mainline r187075
1102
1103         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1104         has_fma4 for AMD processors with both fma3 and fma4 support.
1105
1106 2012-05-22  Richard Guenther  <rguenther@suse.de>
1107
1108         PR tree-optimization/53408
1109         * tree-vect-loop.c (vectorizable_induction): Properly check
1110         the restriction that we cannot handle induction results from
1111         the inner loop outside of the outer loop.
1112
1113 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1114
1115         PR tree-optimization/53436
1116         * omp-low.c (omp_build_component_ref): New function.
1117         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1118
1119         PR tree-optimization/53366
1120         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1121         tests if complex_numbers == 2, but there are non-complex number loads
1122         too.
1123
1124         PR tree-optimization/53409
1125         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1126         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1127
1128         PR tree-optimization/53410
1129         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1130         instead of build_int_cst (type, 0) where vector types might be
1131         involved.
1132
1133 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1134
1135         PR c/53418
1136         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1137         from folded operands before wrapping another around the
1138         conditional expression.
1139
1140 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
1141             Patrick Marlier  <patrick.marlier@gmail.com>
1142
1143         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1144         indirect calls.
1145
1146 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1147
1148         Backport from mainline
1149         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1150
1151         PR target/53416
1152         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1153         (UNSPECV_RDRAND): This.
1154         (rdrand<mode>_1): Updated.
1155
1156 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1157
1158         Backport from mainline
1159         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1160
1161         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1162         RDRND, F16C and FSGSBASE.
1163
1164 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1165
1166         Backport from mainline
1167         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1168
1169         * tree-ssa-pre.c (can_value_number_call): Delete.
1170         (compute_avail): Skip all statements with side effects.
1171         <GIMPLE_CALL>: Skip calls to internal functions.
1172
1173 2012-05-18  David S. Miller  <davem@davemloft.net>
1174
1175         Backport r185385 from mainline
1176         2012-03-14  Richard Guenther  <rguenther@suse.de>
1177
1178         PR middle-end/52584
1179         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1180         element type instead of mode, use build_vector_type_for_mode
1181         instead of the langhook, build a vector of proper signedness.
1182         (expand_vector_operations_1): Adjust.
1183
1184 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1185
1186         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1187         $(libsubdir) as libexecsubdir.
1188
1189 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1190
1191         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1192         GIMPLE_ASSIGN.
1193
1194 2012-05-16  David S. Miller  <davem@davemloft.net>
1195
1196         * jump.c (delete_related_insns): If we remove a CALL, make sure
1197         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1198
1199 2012-05-16  Richard Henderson  <rth@redhat.com>
1200
1201         PR debug/52727
1202         * combine-stack-adj.c (prev_active_insn_bb): New.
1203         (next_active_insn_bb): New.
1204         (force_move_args_size_note): New.
1205         (combine_stack_adjustments_for_block): Use it.
1206
1207 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1208
1209         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1210         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1211         Add comments and improve stamp preservation across the whole sequence.
1212         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1213
1214 2012-05-16  Richard Guenther  <rguenther@suse.de>
1215
1216         PR tree-optimization/53364
1217         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1218         detect a view-conversion of the decl.
1219
1220 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1221
1222         PR target/53358
1223         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1224         that operands[2] is either immediate, or q_regs_operand.
1225
1226 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1227
1228         Backport r187139 from mainline.
1229         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1230
1231         PR rtl-optimization/52804
1232         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1233         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1234         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1235         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1236         RELOAD_FOR_OUTADDR_ADDRESS.
1237
1238 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1239
1240         PR target/46098
1241         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1242         generate target register for "load" class builtins.
1243
1244         Revert:
1245         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1246
1247         PR target/46098
1248         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1249         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1250         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1251         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1252         (<sse>_movu<ssemodesuffix>): New expander.
1253         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1254         (avx_movdqu<avxmodesuffix>): New expander.
1255         (*sse2_movdqu): Rename from sse2_movdqu.
1256         (sse2_movdqu): New expander.
1257
1258 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1259
1260         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1261         lineno 1 the same as lineno 0 before first start file directive.
1262         (optimize_macinfo_range): Likewise.
1263
1264         * dwarf2out.c (have_macinfo): Define.
1265         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1266         attribute, don't force empty compilation unit and don't emit any
1267         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1268
1269 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1270
1271         Backport from mainline
1272         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1273
1274         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1275         ORDERED and UNORDERED conditions.
1276
1277 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1278
1279         * function.c (requires_stack_frame_p): If the function can throw
1280         non-call exceptions, return true if the insn can throw internally.
1281
1282 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1283
1284         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1285         DECL_ORIGINAL_TYPE if it is present.
1286
1287 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1288
1289         Backport from 2012-05-12 mainline r187342.
1290
1291         PR target/53256
1292         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1293         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1294         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1295         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1296         (expand_prologue): Move initialization of cfun->machine->is_naked,
1297         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1298         (avr_set_current_function): ...this new static function.
1299         (TARGET_SET_CURRENT_FUNCTION): New define.
1300         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1301         checking attributes of current_function_decl.
1302         (avr_regs_to_save): Ditto.
1303         (signal_function_p): Rename to avr_signal_function_p.
1304         (interrupt_function_p): Rename to avr_interrupt_function_p.
1305
1306         * doc/extend.texi (Function Attributes): Better explanation of
1307         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1308         alphabetical order.
1309
1310 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1311
1312         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1313
1314 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1315
1316         PR target/53272
1317         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1318         when a constant source operand matches an "I" constraint, the "no
1319         CC0 change" applies to a register-destination only, not a
1320         strict_low_part-destination.
1321
1322 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1323
1324         Backport from mainline:
1325         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1326
1327         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1328
1329 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1330
1331         PR tree-optimization/53239
1332         * tree-vrp.c (get_value_range): Set VR of
1333         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1334         to nonnull.
1335
1336 2012-05-07  Richard Guenther  <rguenther@suse.de>
1337
1338         PR tree-optimization/53195
1339         * tree-inline.c (setup_one_parameter): Properly add referenced
1340         vars from the parameters new known value.
1341
1342 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1343
1344         Backport from mainline:
1345         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1346
1347         PR target/52999
1348         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1349         in constant pool.
1350
1351 2012-05-04  Ian Lance Taylor  <iant@google.com>
1352
1353         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1354         values from false to NULL.
1355
1356 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1357
1358         Backport from mainline
1359         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1360
1361         PR target/53228
1362         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1363         (TARGET_CMOV): Rename from TARGET_CMOVE.
1364         (TARGET_CMOVE): New define.
1365         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1366         Do not set TARGET_CMOVE here.
1367
1368 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1369
1370         Backport from mainline:
1371
1372         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1373
1374         PR tree-optimization/52633
1375         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1376         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1377         (vect_recog_over_widening_pattern): Remove handling of code that was
1378         already detected as over-widening pattern.  Remove special handling
1379         of "unsigned" cases.  Instead, support general case of conversion
1380         of the shift result to another type.
1381
1382         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1383
1384         * tree-vect-patterns.c (vect_single_imm_use): New function.
1385         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1386         (vect_recog_over_widening_pattern): Likewise.
1387         (vect_recog_widen_shift_pattern): Likewise.
1388
1389         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1390
1391         PR tree-optimization/52870
1392         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1393         presumed pattern statement is within the same loop or basic block.
1394
1395 2012-05-04  Richard Guenther  <rguenther@suse.de>
1396
1397         * common.opt (flto-report): Do not mark as Optimization.
1398
1399 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1400
1401         PR target/48496
1402         * recog.c (constrain_operands): If extra constraints are present, also
1403         accept pseudo-registers with equivalent memory locations during reload.
1404
1405 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1406
1407         Backport from the mainline
1408         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1409
1410         PR target/53199
1411         * config/rs6000/rs6000.md (bswapdi splitters): If
1412         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1413         default) is used, generate an alternate sequence that does not
1414         depend on using indexed addressing.
1415
1416 2012-05-03  David S. Miller  <davem@davemloft.net>
1417
1418         PR target/52684
1419         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1420         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1421         (sparc_emit_float_lib_cmp): Likewise.
1422
1423 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1424
1425         Backport from mainline
1426         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1427
1428         PR lto/52605
1429         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1430         of a variable when the contect is a function.
1431
1432 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1433
1434         PR plugins/53126
1435         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1436         append program name to it and pass that as first argument
1437         to make_relative_prefix.  Always pass standard_libexec_prefix
1438         as last argument to make_relative_prefix.  If
1439         make_relative_prefix returns NULL, fall back to
1440         standard_libexec_prefix.
1441
1442         PR debug/53174
1443         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1444         removed.
1445
1446         PR target/53187
1447         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1448         mode, return that mode.
1449
1450 2012-05-03  Richard Guenther  <rguenther@suse.de>
1451
1452         PR tree-optimization/53144
1453         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1454         Rename to ...
1455         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1456         with SSA name values.
1457         (vn_reference_lookup_3): Adjust callers.
1458
1459 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1460
1461         PR tree-optimization/53163
1462         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1463         return value from compute_all_dependences.
1464
1465         PR rtl-optimization/53160
1466         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1467         has been modified by ree pass already.
1468
1469 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1470
1471         Backport from mainline
1472         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1473
1474         PR middle-end/53136
1475         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1476         calls to cgraph_node_name in xstrdup.
1477         (ipa_make_edge_direct_to_target): Ditto.
1478         * tree-sra.c (convert_callers_for_node): Ditto.
1479         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1480         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1481         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1482         (cgraph_materialize_all_clones): Ditto.
1483         * ipa-inline.c (report_inline_failed_reason): Ditto.
1484         (want_early_inline_function_p): Ditto.
1485         (edge_badness): Ditto.
1486         (update_edge_key): Ditto.
1487         (flatten_function): Ditto.
1488         (ipa_inline): Ditto.
1489         (inline_always_inline_functions): Ditto.
1490         (early_inline_small_functions): Ditto.
1491
1492 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1493
1494         Backport from mainline
1495         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1496
1497         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1498         Introduce emul_name to select the right linker emulation for
1499         powerpc64-*-freebsd*.
1500         * configure: Regenerate.
1501         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1502         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1503         * config/rs6000/freebsd64.h: New file.
1504         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1505         POWERPC_FREEBSD.
1506         (rs6000_savres_strategy): Likewise.
1507         (rs6000_savres_routine_name): Likewise.
1508         (rs6000_elf_file_end): Likewise.
1509         * config/rs6000/t-freebsd64: New file.
1510         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1511         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1512
1513 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1514
1515         Backport from mainline
1516         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1517
1518         PR target/53138
1519         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1520
1521 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1522
1523         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1524         predicate to discriminate types.
1525
1526 2012-04-27  Richard Guenther  <rguenther@suse.de>
1527
1528         PR c/51527
1529         * convert.c (convert_to_integer): Avoid infinite recursion for
1530         target-defined built-in types.
1531
1532 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1533
1534         PR target/53120
1535         * config/cris/cris.md ("*andhi_lowpart_v32")
1536         ("*andqi_lowpart_v32"): Change first input-only operand from
1537         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1538         const_int-matching constraints for redundancy.
1539         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1540         three-operand alternative.
1541
1542 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1543
1544         Backport from mainline
1545         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1546
1547         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1548         (*addsi_2_zext): Ditto.
1549         (*add<mode>_3): Ditto.
1550         (*addsi_3_zext): Ditto.
1551         (*add<mode>_5): Ditto.
1552
1553 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1554
1555         PR c/52880
1556         * c-typeck.c (set_nonincremental_init,
1557         set_nonincremental_init_from_string): Pass true instead of false
1558         as IMPLICIT to add_pending_init.
1559
1560 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1561
1562         Backport from 2012-04-24 mainline r186768.
1563
1564         PR target/53065
1565         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1566
1567 2012-04-24  Richard Guenther  <rguenther@suse.de>
1568
1569         PR tree-optimization/53085
1570         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1571         stores.
1572
1573 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1574
1575         PR middle-end/53084
1576         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1577         of MEM_REF.
1578         (output_addressed_constants): Likewise.
1579
1580         PR middle-end/52999
1581         * varasm.c (get_section): Don't ICE for section conflicts with
1582         built-in section kinds.
1583
1584 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1585
1586         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1587
1588 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1589
1590         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1591
1592 2012-04-23  Richard Guenther  <rguenther@suse.de>
1593
1594         PR c/53060
1595         * c-typeck.c (build_binary_op): Fix typo.
1596
1597 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1598
1599         PR tree-optimizations/52891
1600         * tree-vect-patterns.c (adjust_bool_pattern): Use
1601         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1602         but with non-standard precision.
1603
1604 2012-04-22  Ian Lance Taylor  <iant@google.com>
1605
1606         * godump.c (go_output_typedef): Dump size of structs.
1607
1608 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1609
1610         Backport from mainline:
1611
1612         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1613         hints for 'A' operand types.
1614
1615 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1616
1617         Backport from 2012-04-19 mainline r186588.
1618
1619         PR target/53033
1620         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1621         the case *(X+const).
1622
1623 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1624
1625         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1626
1627 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1628
1629         PR target/53020
1630         * config/i386/sync.md (atomic_<code><mode>): Rename to
1631         atomic_<logic><mode>.
1632
1633 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1634
1635         Backport from mainline
1636         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1637
1638         PR target/52932
1639         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1640         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1641         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1642         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1643         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1644         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1645         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1646         gen_avx2_permvarv8sf.
1647
1648 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1649
1650         Backported from mainline
1651
1652         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1653         PR middle-end/52939
1654
1655         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1656         fold_ctor_reference returns a zero constant.
1657
1658 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1659
1660         Backported from mainline
1661         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1662
1663         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1664         and __ILP32__ for x32.
1665
1666 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1667
1668         Backport from mainline r186418.
1669
1670         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1671
1672         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1673         parameters vuse and vuse_escaped.
1674         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1675         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1676         vuse1 != vuse2.
1677
1678 2012-04-13  Richard Guenther  <rguenther@suse.de>
1679
1680         PR tree-optimization/52969
1681         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1682         the condition for the COND_EXPR and handle predicate negation
1683         by swapping the COND_EXPR arms.
1684
1685 2012-04-13  Richard Guenther  <rguenther@suse.de>
1686
1687         PR c/52862
1688         * convert.c (convert_to_pointer): Remove special-casing of
1689         zero.
1690
1691 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1692
1693         Backport from mainline
1694         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1695
1696         PR target/52775
1697         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1698         the list of options to enable the FCFID instruction.
1699         (TARGET_EXTRA_BUILTINS): Adjust comment.
1700
1701 2012-04-12  Richard Guenther  <rguenther@suse.de>
1702
1703         PR tree-optimization/52943
1704         * tree-chrec.h (chrec_is_positive): Remove.
1705         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1706         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1707         Return false for a constant zero instead of negative.
1708         (analyze_siv_subscript_cst_affine): Handle zero difference
1709         in the initial condition explicitely.
1710
1711 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1712
1713         PR middle-end/52894
1714         * varasm.c (process_pending_assemble_externals): Set
1715         pending_assemble_externals_processed true.
1716         (assemble_external): Call assemble_external_real if the pending
1717         assemble externals have been processed.
1718
1719 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1720
1721         PR target/52717
1722         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1723         the DECL generated for the special GOT helper.
1724
1725 2012-04-06  Walter Lee  <walt@tilera.com>
1726
1727         Backport from mainline
1728         2012-03-07  Walter Lee  <walt@tilera.com>
1729
1730         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1731         REG_CFA_* notes for the stack pointer.
1732         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1733         EH_RETURN_STACKADJ_RTX.
1734         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1735         generate REG_CFA_* notes for the stack pointer.
1736         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1737         by EH_RETURN_STACKADJ_RTX.
1738
1739 2012-04-06  Matt Turner  <mattst88@gmail.com>
1740
1741         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1742
1743 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1744
1745         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1746         of the destination isn't also a FP_REGS register.
1747
1748 2012-04-03  Richard Guenther  <rguenther@suse.de>
1749
1750         Backport from mainline
1751         2012-03-02  Richard Guenther  <rguenther@suse.de>
1752
1753         PR tree-optimization/52406
1754         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1755         (struct indices): Add unconstrained_base member.
1756         (struct dr_alias): Remove unused vops member.
1757         (DR_UNCONSTRAINED_BASE): New define.
1758         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1759         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1760         be an artificial access that covers the whole indexed object,
1761         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1762         plain decl base-objects to their MEM_REF variant.
1763         (dr_may_alias_p): When the base-object of either data reference
1764         has unknown size use only points-to information.
1765         (compute_affine_dependence): Make dumps easier to read and
1766         more verbose.
1767         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1768         DR_REF when looking for packed references.
1769         (vect_supportable_dr_alignment): Likewise.
1770
1771 2012-04-03  Richard Guenther  <rguenther@suse.de>
1772
1773         Backport from mainline
1774         2012-03-15  Richard Guenther  <rguenther@suse.de>
1775
1776         PR middle-end/52580
1777         * tree-data-ref.c (subscript_dependence_tester_1): Check
1778         all dimensions for non-conflicting access functions.
1779
1780 2012-04-03  Richard Guenther  <rguenther@suse.de>
1781
1782         Backport from mainline
1783         2012-03-06  Richard Guenther  <rguenther@suse.de>
1784
1785         PR middle-end/52493
1786         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1787
1788         2012-03-23  Richard Guenther  <rguenther@suse.de>
1789
1790         PR tree-optimization/52678
1791         * tree-vectorizer.h (struct _stmt_vec_info): Add
1792         loop_phi_evolution_part member.
1793         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1794         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1795         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1796         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1797         Use the cached evolution part and the PHI nodes value from
1798         the loop preheader edge instead of re-analyzing the evolution.
1799
1800         2012-03-26  Richard Guenther  <rguenther@suse.de>
1801
1802         PR tree-optimization/52701
1803         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1804         compute and set the evolution part of PHI nodes.
1805
1806         2012-03-30  Richard Guenther  <rguenther@suse.de>
1807
1808         PR tree-optimization/52754
1809         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1810         propagate arbitrary addresses into really plain dereferences.
1811
1812 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1813
1814         PR tree-optimization/52835
1815         * tree-data-ref.c (build_rdg): Return NULL if
1816         compute_data_dependences_for_loop failed.
1817
1818 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1819
1820         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1821         (stmt_can_make_abnormal_goto): Use it.
1822         (is_ctrl_altering_stmt): Likewise.
1823
1824 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1825
1826         Backported from mainline
1827         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1828
1829         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1830         is a builtin_stack_save in a dominating BB.
1831
1832 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1833
1834         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1835         crossing 128bit lane boundary.
1836
1837 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1838
1839         Backported from mainline
1840         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1841
1842         PR target/52698
1843         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1844         New prototype.
1845         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1846         * config/i386/i386.c: Include reload.h.
1847         (ix86_legitimize_reload_address): New function.
1848
1849 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1850
1851         Backported from mainline
1852         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1853
1854         PR middle-end/52693
1855         * tree-sra.c (sra_modify_assign): Do not call
1856         load_assign_lhs_subreplacements when working with an unscalarizable
1857         region.
1858
1859 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1860
1861         PR middle-end/52691
1862         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1863         __builtin_va_start to __builtin_next_arg if the latter is
1864         builtin_decl_explicit_p rather than when it is not.
1865
1866         PR middle-end/52750
1867         * tree-vect-generic.c (vector_element): Perform multiplication
1868         for pos in bitsizetype type instead of idx type.
1869
1870 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1871
1872         Backport from 2012-03-28 mainline r185910.
1873
1874         PR target/52692
1875         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1876         (avr_builtin_decl): New static function.
1877         (struct avr_builtin_description, avr_bdesc): Move up.
1878         Add GTY marker. Add field fndecl. Remove redundant field id.
1879         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1880         (avr_expand_builtin): Code cleanup because .id is removed.
1881
1882 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1883
1884         PR middle-end/51893
1885         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1886         targets.
1887
1888 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1889
1890         Backport from 2012-03-28 mainline r185907.
1891
1892         PR target/52737
1893         * config.gcc (tm_file): Remove avr/multilib.h.
1894
1895         * doc/invoke.texi (AVR Options): Adjust
1896         documentation of -mtiny-stack.
1897
1898         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1899         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1900         * config/avr/t-avr: Remove generation of multilib.h.
1901         * config/avr/t-multilib: Regenerate.
1902         * config/avr/multilib.h: Remove.
1903         * config/avr/avr.opt (-msp8): New option.
1904         (avr_sp8): New variable.
1905         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1906         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1907         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1908         (avr_device_to_sp8): New prototype.
1909         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1910         (DRIVER_SELF_SPECS): New define.
1911         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1912         __AVR_SP8__, __AVR_HAVE_SPH__.
1913         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1914         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1915         (avr_file_start): Ditto.
1916
1917 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1918
1919         PR target/52736
1920         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1921         instead of 8 in adjust_address.
1922
1923 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1924
1925         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1926         of a unit before computing the offset in units.
1927
1928 2012-03-27  Richard Guenther  <rguenther@suse.de>
1929
1930         PR middle-end/52720
1931         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1932         explicitely.
1933
1934 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1935
1936         PR target/52610
1937         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1938
1939 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1940
1941         PR middle-end/52640
1942         * varasm.c: Include pointer-set.h.
1943         (pending_assemble_externals_set): New pointer set.
1944         (process_pending_assemble_externals): Destroy the pointer set.
1945         (assemble_external): See if decl is in pending_assemble_externals_set,
1946         and add it to pending_assemble_externals if necessary.
1947         (init_varasm_once): Allocate pending_assemble_externals_set.
1948
1949 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1950
1951         Backported from mainline
1952         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1953
1954         PR target/50310
1955         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1956         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1957         (vector_ltgt<mode>): Likewise.
1958         (vector_ordered<mode>): Likewise.
1959         (vector_unordered<mode>): Likewise.
1960         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1961
1962 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1963
1964         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1965         Make static.
1966
1967 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1968
1969         Backported from mainline
1970         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1971
1972         PR target/48596
1973         PR target/48806
1974         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1975         GENERAL_REGS and FP_REGS for SImode.
1976
1977 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1978
1979         PR middle-end/52547
1980         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1981         on any new_local_var_chain vars declared during recursing on
1982         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1983
1984 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1985
1986         Backport from 2012-03-22 mainline r185692.
1987
1988         PR target/52496
1989         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1990         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1991         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1992         (delay_cycles_1, delay_cycles_2): Ditto.
1993         (delay_cycles_3, delay_cycles_4): Ditto.
1994         (nopv, *nopv): Ditto.
1995         (sleep, *sleep): Ditto.
1996         (wdr, *wdr): Ditto.
1997
1998         Backport from 2012-03-21 mainline r185605.
1999
2000         PR rtl-optimization/52543
2001         PR target/52461
2002         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2003         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2004         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2005         (avr_load_libgcc_p): Restrict to __flash loads.
2006         (avr_out_lpm): Only handle 1-byte loads from __flash.
2007         (avr_load_lpm): New function.
2008         (avr_find_unused_d_reg): Remove.
2009         (avr_out_lpm_no_lpmx): Remove.
2010         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2011         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2012         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2013         (load_<mode>, load_<mode>_clobber): New insns.
2014         (mov<mode>): For multi-byte move from non-generic
2015         16-bit address spaces: Expand to load_<mode> resp.
2016         load_<mode>_clobber.
2017         (load<mode>_libgcc): Remove expander.
2018         (split-lpmx): Remove split.
2019
2020         Backport from 2012-03-13 mainline r185329.
2021
2022         PR target/52488
2023         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2024         offset (size) to a value the insns can deal with.
2025         (expand_epilogue): Ditto.
2026
2027         Backport from 2012-03-12 mainline r185256.
2028
2029         PR target/52499
2030         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2031         type from reg_class_t to enum reg_class.
2032         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2033
2034         Backport from 2012-03-12 mainline r185253.
2035
2036         PR target/52148
2037         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2038         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2039         r184615 from 2012-02-28.
2040
2041         Backport from 2012-03-08 mainline r185105.
2042
2043         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2044         for constants in [-63,63].
2045
2046         Backport from 2012-03-08 mainline r185100.
2047
2048         PR target/52496
2049         * config/avr/avr.c (avr_mem_clobber): New static function.
2050         (avr_expand_delay_cycles): Add memory clobber operand to
2051         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2052         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2053         (enable_interrupt, disable_interrupt): New expander.
2054         (nopv, sleep, wdr): New expanders.
2055         (delay_cycles_1): Add memory clobber.
2056         (delay_cycles_2): Add memory clobber.
2057         (delay_cycles_3): Add memory clobber.
2058         (delay_cycles_4): Add memory clobber.
2059         (cli_sei): New insn from former "enable_interrupt",
2060         "disable_interrupt" with memory clobber.
2061         (*wdt): New insn from former "wdt" with memory clobber.
2062         (*nopv): Similar, but for "nopv".
2063         (*sleep): Similar, but for "sleep".
2064
2065         Backport from 2012-03-07 mainline r185043.
2066
2067         PR target/52484
2068         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2069
2070         Backport from 2012-03-07 mainline r185032.
2071
2072         PR target/52506
2073         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2074         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2075         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2076
2077         Backport from 2012-03-07 mainline r185031.
2078
2079         PR target/52505
2080         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2081         from RAM.
2082         * config/avr/avr.md (xload_8): Adjust insn length.
2083
2084         Backport from 2012-03-07 mainline r185030.
2085
2086         PR target/52461
2087         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2088         if RAMPZ affects reading from RAM.
2089
2090         Backport from 2012-03-05 mainline r184919.
2091
2092         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2093
2094 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2095
2096         Backport from mainline r185259.
2097
2098         PR other/52545
2099         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2100         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2101
2102 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2103
2104         Backported from mainline
2105         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
2106
2107         PR c/52577
2108         * c-parser.c (c_parser_postfix_expression)
2109         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2110
2111         * config/i386/smmintrin.h: Avoid /* within a comment.
2112         * config/i386/nmmintrin.h: Likewise.
2113
2114 2012-03-22  Richard Guenther  <rguenther@suse.de>
2115
2116         * BASE-VER: Set to 4.7.1.
2117         * DEV-PHASE: Set to prerelease.
2118
2119 2012-03-22  Release Manager
2120
2121         * GCC 4.7.0 released.
2122
2123 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2124
2125         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2126
2127 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
2128             Andrew Pinski  <apinski@cavium.com>
2129
2130         PR middle-end/52592
2131         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2132         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2133         calls instead of __builtin_ir{int,ound}*.
2134
2135 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
2136
2137         PR c++/52582
2138         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2139         if c_node is NULL.
2140
2141 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2142
2143         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2144         Refer to GCC 4.7 version of c99status.html.
2145
2146 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2147
2148         Backport from mainline
2149         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2150
2151         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2152         redefine to be NULL if the current bit-size is different from the
2153         configured bit-size.
2154
2155         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2156         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2157         set the default tuning.  Add asserts to make sure the cpu and tune
2158         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2159         test whether the index is set, instead of > 0.
2160         (rs6000_file_start): Do not reset the default cpu if the current
2161         bit-size is different from the configured bit-size.
2162
2163 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2164
2165         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2166         binutils reference.
2167         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2168         Update binutils references.
2169         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2170         Update binutils reference.
2171         Update Sun as/GNU ld caveat.
2172         Document binutils largefile requirement for LTO plugin.
2173         Remove reference to alternate libpthread.
2174
2175 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2176
2177         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2178         reference.
2179         (Specific, mips-sgi-irix6): Likewise.
2180
2181 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2182
2183         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2184         * configure: Regenerate.
2185
2186 2012-03-07  Richard Henderson  <rth@redhat.com>
2187
2188         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2189         * config/m68k/sync.md (atomic_test_and_set): Use it.
2190         (atomic_test_and_set_1): Likewise.
2191
2192 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
2193
2194         PR target/51417
2195         * Makefile.in: Let install-gcc-ar depend on installdirs,
2196         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2197         Don't double canonicalize if cross-compiling.
2198
2199 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2200
2201         * trans-mem.c: New typedef for tm_region_p.
2202         Define vector types for tm_region_p.
2203         (tm_region_init): Replace region_worklist to a vector called
2204         bb_regions.
2205
2206 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2207
2208         PR middle-end/52463
2209         * trans-mem.c (tm_region_init): Use last_basic_block.
2210
2211 2012-03-05  Richard Henderson  <rth@redhat.com>
2212
2213         PR tree-opt/52242
2214         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2215         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2216         BIGGEST_ALIGNMENT is aligned.
2217
2218 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2219
2220         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2221
2222 2012-03-05  Richard Henderson  <rth@redhat.com>
2223
2224         PR target/52481
2225         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2226         instead of calling negqi2 directly.
2227
2228 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2229
2230         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2231         (INTMAX_TYPE): Use it.
2232         (UINTMAX_TYPE): Likewise.
2233         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2234         (irix6_c_common_override_options): Declare.
2235         (C_COMMON_OVERRIDE_OPTIONS): Define.
2236         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2237         * config/mips/irix6-c.c: New file.
2238         * config/mips/t-irix6 (irix6-c.o): New target.
2239         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2240         cxx_target_objs.
2241
2242 2012-03-02  Richard Henderson  <rth@redhat.com>
2243
2244         * optabs.c (expand_atomic_test_and_set): Honor
2245         atomic_test_and_set_trueval even when atomic_test_and_set
2246         optab is not in use.
2247
2248 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2249
2250         Backport from mainline
2251         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2252
2253         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2254
2255 2012-03-02  Richard Guenther  <rguenther@suse.de>
2256
2257         * DEV-PHASE: Set to prerelease.
2258
2259 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2260
2261         * config.gcc (obsolete): Add all ARM targets using the FPA.
2262         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2263         * doc/install.texi: Avoid references to obsolete ARM ports.
2264
2265 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2266
2267         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2268
2269 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2270             Joern Rennecke  <joern.rennecke@embecosm.com>
2271
2272         * doc/extend.texi: Expand and update information on interrupt
2273         attribute for Epiphany.
2274
2275 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2276
2277         * config/sh/sh-protos.h: Update copyright notice dates.
2278         * config/sh/sh.h: Likewise.
2279         * config/sh/sh.md: Likewise.
2280         * config/sh/constraints.md: Likewise.
2281         * config/sh/predicates.md: Likewise.
2282
2283 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2284
2285         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2286         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2287
2288 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2289
2290         * config/sh/constraints.md: Fix comment typo.
2291
2292 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2293
2294         PR target/52408
2295         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2296         unsigned HOST_WIDE_INT.
2297         (zvdep_imm64): Likewise.
2298         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2299         (vdepi_and): Likewise.
2300         Likewise for unamed 64-bit patterns.
2301         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2302
2303 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2304
2305         PR debug/52001
2306         PR rtl-optimization/52417
2307         * cselib.c (cselib_any_perm_equivs): New variable.
2308         (cselib_reset_table): Check that it's not set when not
2309         preserving constants.
2310         (cselib_add_permanent_equiv): Set it.
2311         (cselib_have_permanent_equivalences): New.
2312         (cselib_init, cselib_finish): Reset it.
2313         * cselib.h (cselib_have_permanent_equivalences): Declare.
2314         * alias.c (get_addr): Restore earlier behavior when there
2315         aren't permanent equivalences.
2316
2317 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2318
2319         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2320         * config/v850/v850-modes.def: Fix copyright notice.
2321
2322 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2323
2324         * doc/extend.texi (AVR Built-in Functions): Document
2325         __builtin_avr_flash_segment.
2326
2327         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2328         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2329         (*split.flash_segment): New insn-and-split.
2330         * config/avr/avr.c (avr_init_builtins): Add local variables:
2331         const_memx_void_node, const_memx_ptr_type_node,
2332         char_ftype_const_memx_ptr.
2333
2334 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2335
2336         PR tree-optimization/52445
2337         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2338         add ssa_name_ver, offset and size fields and change store field
2339         to bool.
2340         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2341         (add_or_mark_expr): Likewise.  Only consider previous stores
2342         with the same size and offset.
2343         (nt_init_block): Only look at gimple_assign_single_p stmts,
2344         doesn't look at rhs2.
2345
2346 2012-03-01  Richard Guenther  <rguenther@suse.de>
2347
2348         PR middle-end/52443
2349         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2350         conversions from integral types to pointer types.
2351
2352 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2353
2354         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2355         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2356         unintentionally removed in r184616.
2357
2358 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2359
2360         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2361         3DNow from bdver1.
2362
2363 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2364             Uros Bizjak  <ubizjak@gmail.com>
2365
2366         PR target/52437
2367         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2368         alternatives, add "e" constraint to the new last alternative
2369         and ! to last 3 alternatives.
2370
2371 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2372
2373         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2374         DW_AT_artificial attributes at the end of the processing.
2375         (gen_array_type_die): Likewise.
2376         (gen_enumeration_type_die): Likewise.
2377         (gen_struct_or_union_type_die): Likewise.
2378         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2379         the parent type.
2380
2381 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2382
2383         PR middle-end/52419
2384         * expr.c (expand_assignment): If doing misaligned store that doesn't
2385         cover all mode bits, perform a RMW cycle.
2386
2387         PR tree-optimization/52429
2388         * tree-parloops.c (separate_decls_in_region_debug): Return early
2389         if var is LABEL_DECL.
2390
2391 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2392
2393         PR tree-optimization/52424
2394         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2395         calling dom_thread_across_edge.
2396
2397 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2398
2399         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2400
2401 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2402
2403         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2404         * config/avr/avr.c (avr_output_bld): Remove unused function.
2405         (avr_out_sbxx_branch): Use "%T" to print bit position.
2406
2407 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2408
2409         * config/avr/avr.md: Untabify.
2410
2411 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2412
2413         * config/avr/avr.md (eqne): New code iterator.
2414         (*dec-and-branchsi): Use it in text peephole's condition.
2415         (*dec-and-branchhi): Ditto.
2416         (*dec-and-branchqi): Ditto.
2417
2418 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2419
2420         PR target/49939
2421         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2422         the device does not have the skip-bug.
2423
2424 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2425
2426         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2427         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2428         -mpretend-cmove): New.
2429
2430 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2431
2432         PR bootstrap/52397
2433         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2434         doesn't count DEBUG_INSN refs.
2435         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2436         for DEBUG_INSN refs.
2437
2438 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2439
2440         Partially revert:
2441
2442         2012-02-20  Richard Guenther  <rguenther@suse.de>
2443         PR tree-optimization/52298
2444         * tree-vect-stmts.c (vectorizable_load): Properly use
2445         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2446         outer loops.
2447
2448 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2449
2450         PR middle-end/51752
2451         * gimple.h (gimple_in_transaction): New.
2452         (gimple_set_in_transaction): New.
2453         (struct gimple_statement_base): Add in_transaction field.
2454         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2455         transaction loads.
2456         (tree_ssa_lim_initialize): Compute transaction bits.
2457         * tree.h (compute_transaction_bits): Protoize.
2458         * trans-mem.c (tm_region_init): Use the heap to store BB
2459         auxilliary data.
2460         (compute_transaction_bits): New.
2461
2462 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2463
2464         * gcc.c (display_help): Document --help=common and sort entries
2465         alphabetically.
2466
2467 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2468
2469         * doc/install.texi: Document check-$LANG specific shortcuts
2470
2471 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2472
2473         PR target/51534
2474         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2475         and vcgtu.
2476         * config/arm/arm_neon.h: Regenerate.
2477         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2478         (neon_vcgeu): New insn.
2479         (neon_vcgtu): Likewise.
2480         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2481         (ops): Unsigned comparison intrinsics call a different
2482         builtin.
2483
2484 2012-02-28  Richard Guenther  <rguenther@suse.de>
2485
2486         PR target/52407
2487         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2488         ordering for the VEC_CONCAT for two element vectors for
2489         V2SFmode, V2SImode and V2DImode.
2490
2491 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2492
2493         PR target/49448
2494         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2495         detecting big-endian triplets.
2496
2497 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2498
2499         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2500         mode if there is no type information available.
2501
2502 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2503
2504         PR tree-optimization/53207
2505         * doc/invoke.texi: Document as experimental and relying on graphite.
2506
2507 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2508
2509         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2510         of initializer to changes from r184614.
2511
2512 2012-02-28  Richard Guenther  <rguenther@suse.de>
2513
2514         PR tree-optimization/52395
2515         * tree-sra.c (build_ref_for_offset): Also look at the base
2516         TYPE_ALIGN when figuring out the alignment of the replacement.
2517
2518 2012-02-28  Richard Guenther  <rguenther@suse.de>
2519
2520         PR tree-optimization/52402
2521         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2522         mis-aligned types when creating the accesses at the call site.
2523
2524 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2525
2526         * config/avr/builtins.def: New file.
2527         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2528         * config/avr/avr.c (enum avr_builtin_id): Use it.
2529         (avr_init_builtins): Use it. And use avr_bdesc.
2530         (bdesc_1arg): Remove.
2531         (bdesc_2arg): Remove.
2532         (bdesc_3arg): Remove.
2533         (struct avr_builtin_description): Add field n_args.
2534         (avr_bdesc): New static variable using builtins.def.
2535         (avr_expand_builtin): Use it.
2536         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2537         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2538         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2539
2540 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2541
2542         PR target/52148
2543         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2544         match only one single hard register with respective hard reg rtx.
2545         (movmemx_<mode>): Ditto.
2546         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2547         insn anatomy of movmem[x]_<mode>.
2548         (avr_out_movmem): Same for printing assembler and operand usage.
2549
2550 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2551
2552         PR target/49868
2553         PR target/52261
2554         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2555         address spaces located outside of device flash.
2556
2557         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2558         (mcu_type_s): Add field n_flash.
2559         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2560         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2561         (AVR_MCU): Add N_FLASH argument.
2562         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2563         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2564         macro __FLASH<n> if that address space makes sense for the device.
2565         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2566         outside of target flash.
2567         (avr_asm_named_section): Ditto.
2568         (avr_asm_select_section): Ditto.
2569         (avr_addr_space_convert): Ditto.
2570         (avr_emit_movmemhi): Ditto.
2571         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2572         address space is outside of device flash.
2573         (avr_insert_attributes): Ditto.
2574         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2575         avr_current_arch->n_segments.
2576
2577 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2578
2579         PR target/52352
2580         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2581         TARGET_LP64.
2582         (*movabs<mode>_2): Likewise.
2583
2584 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2585
2586         PR target/52375
2587         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2588         s_register_operand in the test instead of REG_P.  Don't call
2589         gen_reg_rtx if it won't be used.
2590
2591         PR tree-optimization/52376
2592         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2593
2594 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2595
2596         * ifcvt.c (noce_get_condition): Check condition variable is not
2597         small_register_classes_for_mode_p before accepting.
2598
2599 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2600
2601         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2602
2603 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2604
2605         Revert:
2606         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2607         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2608         tuning parameters.
2609         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2610
2611 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2612
2613         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2614
2615 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2616
2617         * config/sh/predicates.md: Remove blank lines.
2618         * config/sh/sh.c: Fix typos in comments.
2619         * config/sh/constraints.md: Likewise.
2620         * config/sh/sh.md: Remove blank lines.
2621         Fix typos in comments.  Use ;; as comment characters.
2622
2623 2012-02-26  Walter Lee  <walt@tilera.com>
2624
2625         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2626         (replace_mov_pcrel_step2): Ditto.
2627
2628 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2629
2630         PR debug/52001
2631         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2632         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2633         and locs that reference values newer than the non-canonical value
2634         at hand.  Return the canonical value as a worst case.
2635         (memrefs_conflict_p): Walk canonical value's locs.
2636
2637         PR debug/52001
2638         * cselib.c (preserve_only_constants): Rename to...
2639         (preserve_constants_and_equivs): ... this.  Split out...
2640         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2641         of other preserved expressions too.
2642         (cselib_reset_table): Adjust.
2643         * var-tracking.c (reverse_op): Use canonical value to build
2644         reverse operation.
2645
2646 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2647
2648         * config/i386/i386.c (ix86_delegitimize_address): Handle
2649         UNSPEC_PCREL plus displacement.
2650
2651 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2652
2653         PR target/52261
2654         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2655         to test for unusedness in st X addressing.
2656
2657 2012-02-24  Richard Guenther  <rguenther@suse.de>
2658
2659         PR middle-end/52361
2660         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2661         (is_gimple_reg_type): Move inline ...
2662         * gimple.h (is_gimple_reg_type): ... here.
2663
2664 2012-02-24  Richard Guenther  <rguenther@suse.de>
2665
2666         PR middle-end/52361
2667         * passes.c (execute_function_todo): When verifying SSA form
2668         verify gimple form first.
2669         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2670
2671 2012-02-24  Richard Guenther  <rguenther@suse.de>
2672
2673         PR middle-end/52355
2674         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2675         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2676
2677 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2678
2679         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2680
2681 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2682
2683         * tree-phinodes.c (make_phi_node): Mark static.
2684         * tree-flow.h (make_phi_node): Remove extern decl.
2685         * doc/gimple.texi (make_phi_node): Remove documentation.
2686
2687 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2688
2689         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2690         * tree-ssa-sccvn.c (print_scc): Ditto.
2691
2692 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2693
2694         * doc/passes.texi (Full redundancy elimination): Fix typo.
2695
2696 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2697
2698         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2699
2700 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2701
2702         PR bootstrap/52287
2703         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2704
2705 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2706
2707         PR c/52290
2708         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2709
2710 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2711
2712         * config/avr/avr.md (code_stdname): Add ior, xor.
2713         (xior): New code iterator.
2714         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2715         (*<code_stdname><mode>qi.byte1-3): Ditto.
2716
2717 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2718
2719         PR tree-optimization/52019
2720         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2721         CLOBBER stmts.
2722
2723 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2724
2725         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2726         HAVE_INITFINI_ARRAY to work around namespace pollution in
2727         certain versions of newlib system headers.
2728         * config.in: Regenerate.
2729         * configure: Regenerate.
2730         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2731         instead of HAVE_INITFINI_ARRAY.
2732
2733 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2734
2735         PR target/52330
2736         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2737         is not offsettable memory reference.
2738
2739 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2740
2741         PR target/18145
2742         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2743         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2744
2745 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2746
2747         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2748         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2749
2750 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2751
2752         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2753         library on Solaris 8 even without TLS support.
2754         * configure: Regenerate.
2755
2756 2012-02-22  Richard Guenther  <rguenther@suse.de>
2757
2758         PR middle-end/52329
2759         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2760         for GIMPLE_DEBUG stmts.
2761
2762 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2763
2764         PR middle-end/51782
2765         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2766         according to the base object.
2767
2768 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2769
2770         PR rtl-optimization/50063
2771         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2772         and 2 (8-bit SP) in operand 2.
2773         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2774         setup to use movhi_sp_r instead of vanilla move to write SP.
2775         Adjust REG_CFA notes to superseed unspec.
2776         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2777         of vanilla move.
2778         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2779         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2780         irq_state 1 (IRQ known to be on) here.
2781
2782 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2783
2784         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2785         WORDS_BIG_ENDIAN.
2786         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2787         assign_hard_reg): Likewise.
2788
2789 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2790
2791         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2792
2793 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2794
2795         * config/avr/avr.md
2796         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2797         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2798
2799 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2800
2801         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2802         prototype from here to...
2803         * config/avr/avr.h: ...here.
2804
2805 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2806
2807         PR target/52294
2808         * thumb2.md (thumb2_shiftsi3_short): Split register and
2809         immediate shifts.  For register shifts tie operands 0 and 1.
2810         (peephole2 for above): Check that register-controlled shifts
2811         have suitably tied operands.
2812
2813 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2814
2815         PR target/52137
2816         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2817         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2818         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2819         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2820         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2821         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2822         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2823         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2824         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2825         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2826         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2827         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2828         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2829         bdver1_ssevector_avx256_unaligned_load,
2830         bdver1_ssevector_sse128_unaligned_load,
2831         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2832         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2833         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2834         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2835         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2836         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2837         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2838         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2839         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2840         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2841         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2842         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2843         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2844         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2845         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2846         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2847         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2848         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2849         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2850         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2851         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2852         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2853         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2854         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2855         bdver1_ssediv_double_load, bdver1_ssediv_double,
2856         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2857         Add "bdver2" attribute.
2858
2859 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2860
2861         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2862         default if possible and not specified otherwise.
2863
2864 2012-02-21  Richard Guenther  <rguenther@suse.de>
2865
2866         PR middle-end/52314
2867         * gimplify.c (create_tmp_from_val): Use the main variant type
2868         for the type of the temporary we create.
2869
2870 2012-02-21  Richard Guenther  <rguenther@suse.de>
2871
2872         PR tree-optimization/52324
2873         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2874         do not gimplify a MEM_REF address operand if it is already
2875         in suitable form.
2876
2877 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2878
2879         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2880         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2881
2882 2012-02-21  Richard Guenther  <rguenther@suse.de>
2883
2884         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2885         nested_in_vect_loop.
2886
2887 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2888
2889         PR tree-optimization/52318
2890         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2891         vdef also to non-pure/const call stmts in the sequence.
2892
2893 2012-02-20  David S. Miller  <davem@davemloft.net>
2894
2895         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2896         don't use the "rd %pc" instruction on v9 for PIC register loads.
2897
2898 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2899
2900         PR middle-end/52141
2901         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2902         in a transaction safe function.
2903
2904 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2905
2906         PR target/52238
2907         * stor-layout.c (place_field): Handle desired_align for
2908         ms-bitfields, too.
2909
2910 2012-02-20  Richard Guenther  <rguenther@suse.de>
2911
2912         PR tree-optimization/52298
2913         * tree-vect-stmts.c (vectorizable_store): Properly use
2914         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2915         outer loops.
2916         (vectorizable_load): Likewise.
2917         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2918         Access DR_STEP after ensuring it is not NULL.
2919
2920 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2921
2922         PR tree-optimization/52286
2923         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2924         optimization use double_int_to_tree instead of build_int_cst_wide,
2925         rewrite to use double_int vars.
2926
2927 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2928
2929         PR target/50166
2930         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2931         Define _start.
2932         Remove -e 0 from $gcc_cv_ld invocation.
2933         Only use __GLIBC_PREREQ if defined.
2934         Enable on Solaris since Solaris 8 patch.
2935         (gcc_SUN_LD_VERSION): New macro.
2936         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2937         gcc_SUN_LD_VERSION for version number format.
2938         * configure: Regenerate.
2939         * varasm.c (get_elf_initfini_array_priority_section): Set
2940         SECTION_NOTYPE for non-default priority.
2941         Use get_section instead of get_unnamed_section to emit
2942         .init_array/.fini_array with default priority.
2943
2944 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2945
2946         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2947         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2948         (mips_start_unique_function, mips_output_mips16_rdhwr)
2949         (mips_code_end): New functions.
2950         (TARGET_ASM_CODE_END): Define.
2951
2952 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2953
2954         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2955         to stubs with non-sibling calls.
2956
2957 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2958
2959         * doc/invoke.texi (-fira-* options): Copy-edit.
2960         (ira-* parameters): Copy-edit.
2961
2962 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2963
2964         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2965         GCC coding conventions.
2966
2967 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2968
2969         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2970         when used as adjectives.
2971
2972 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2973
2974         * doc/invoke.texi: Clean up "that"/"which" confusion.
2975
2976 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2977
2978         * system.h: Poison SMALL_REGISTER_CLASSES
2979         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2980         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2981
2982 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2983
2984         PR tree-optimization/52285
2985         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2986         when deciding if a call is a tail call or tail recursion.
2987
2988 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2989
2990         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2991         interger-constant displacement for UNSPEC_PCREL.
2992
2993 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2994
2995         PR rtl-optimization/52208
2996         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2997         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2998
2999         PR tree-optimization/52255
3000         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3001         loop->header has virtual PHI, but exit_e->dest doesn't, add
3002         virtual PHI to exit_e->dest and adjust all uses after the loop.
3003
3004         PR debug/52260
3005         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3006         children with clone_tree_hash, not after it.
3007
3008 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
3009
3010         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3011         extended identifiers.
3012
3013 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3014
3015         PR middle-end/51929
3016         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3017         a same_body_alias, also test whether e->callee isn't a former
3018         or current clone of the decl this is a same body alias of.
3019
3020         PR translation/52264
3021         * cgraphunit.c (verify_cgraph_node): Fix a typo.
3022
3023 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3024
3025         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3026
3027 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3028
3029         PR target/52199
3030         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3031         force_reg instead of copy_to_reg for better optimization.  Force
3032         non-register or memory operands into a register.
3033
3034 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
3035
3036         * extend.texi: Reserve upper bits of memory model for future use.
3037
3038 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
3039             Anatoly Sokolov <aesok@post.ru>
3040             Eric Weddington <eric.weddington@atmel.com>
3041
3042         PR target/52261
3043         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3044         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3045         Rewrite initializers for .macro.
3046         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3047         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3048         atxmega32d4, atxmega32x1.
3049         avrxmega4: atxmega64a3, atxmega64d3.
3050         avrxmega5: atxmega64a1, atxmega64a1u.
3051         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3052         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3053         avrxmega7: atxmega128a1, atxmega128a1u.
3054         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3055         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3056         (struct base_arch_s): Rename reserved to xmega_p.
3057         Rename reserved2 to have_rampd.
3058         (AVR_XMEGA): New define.
3059         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3060         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3061         * config/avr/predicates.md (io_address_operand): Take into
3062         account SFR offset.
3063         (low_io_address_operand): Ditto.
3064         (high_io_address_operand): Ditto.
3065         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3066         (enabled, movhi_sp_r): Use them.
3067         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3068         cpp_define_formatted to built-in define __AVR_ARCH__.
3069         (__AVR_XMEGA__): New built-in define.
3070         (__AVR_HAVE_RAMPD__): New built-in define.
3071         (__AVR_HAVE_RAMPX__): New built-in define.
3072         (__AVR_HAVE_RAMPY__): New built-in define.
3073         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3074
3075         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3076         (avr_option_override): Initialize them.
3077         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3078         (avr_init_expanders): Initialize them. No more block several calls.
3079         (emit_push_sfr): New static function.
3080         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3081         Handle AVR_XMEGA.
3082         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3083         (avr_print_operand): Print addreeses as symbols for
3084         RAMPX, RAMPY, RAMPD, CCP.
3085         (output_movhi): Handle AVR_XMEGA when writing to SP.
3086         (avr_out_movhi_mr_r_xmega): New static function.
3087         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3088         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
3089         __RAMPD__,  __CCP__ as needed.
3090
3091         * config/avr/multilib.h: Regenerate.
3092         * config/avr/t-multilib: Regenerate.
3093         * config/avr/avr-tables.opt: Regenerate.
3094
3095 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
3096
3097         PR tree-optimization/50561
3098         * graphite-flattening.c (lst_project_loop): Do not
3099         remove old scattering dimensions after flattening.
3100         (lst_do_flatten): Likewise.
3101
3102 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
3103
3104         * doc/extend.texi (AVR Built-in Functions): Remove doc for
3105         __builtin_avr_map8, __builtin_avr_map16.
3106         Document __builtin_avr_insert_bits.
3107
3108         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3109         (insert_bits): New insn.
3110         (adjust_len.map_bits): Rename to insert_bits.
3111         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3112         * avr-protos.h (avr_out_map_bits): Remove.
3113         (avr_out_insert_bits, avr_has_nibble_0xf): New.
3114         * config/avr/constraints.md (Cxf,C0f): New.
3115         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3116         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3117         New built-in define __BUILTIN_AVR_INSERT_BITS.
3118         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3119         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3120         (avr_move_bits): Rewrite.
3121         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3122         functions.
3123         (avr_map_op_t): New typedef.
3124         (avr_map_op): New static variable.
3125         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3126         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3127         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3128         (bdesc_3arg, avr_expand_triop_builtin): New.
3129         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3130         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3131         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3132         (avr_map_equal_p, avr_map_sig_p): Remove.
3133         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3134         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3135         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3136         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3137         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3138         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3139
3140 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3141
3142         * config/c6x/c6x.md (reserve_cycles): New attribute.
3143         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3144         don't reserve functional units after the branch occurs.
3145
3146 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
3147
3148         PR middle-end/52142
3149         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3150         functions into non-tm_pure functions.
3151
3152 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3153
3154         PR lto/52178
3155         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3156         (iterative_hash_canonical_type): Likewise.
3157         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3158         the dead edges.
3159
3160 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3161
3162         * haifa-sched.c (prune_ready_list): Ensure that if there is a
3163         sched-group insn, it either remains alone or the entire list is pruned.
3164
3165 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3166
3167         * doc/install.texi (Prerequisites): Fix grammar.
3168         (Configuration): Likewise.
3169
3170 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3171
3172         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3173         MPC as part of GCC before describing configuring with --with-gmp etc.
3174         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3175         sources are present.
3176
3177 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3178
3179         PR debug/51950
3180         * dwarf2out.c (clone_tree_hash): New function.
3181         (copy_decls_walk): Use it instead of clone_tree.
3182
3183 2012-02-14  Richard Guenther  <rguenther@suse.de>
3184
3185         PR tree-optimization/52244
3186         PR tree-optimization/51528
3187         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3188         replacements for integral types.
3189
3190 2012-02-14  Walter Lee  <walt@tilera.com>
3191
3192         * config.gcc: Handle tilegx and tilepro.
3193         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3194         tilegx and tilepro.
3195         Add HAVE_AS_TLS check for tilegx and tilepro.
3196         * configure: Regenerate.
3197         * doc/contrib.texi: Add Mat Hostetter and self.
3198         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3199         Document instruction intrinsics and network accessing intrinsics.
3200         (TILEPro Built-in Functions): New node.  Document instruction
3201         intrinsics and network accessing intrinsics.
3202         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3203         (Specific, tilepro-*-linux*): Likewise.
3204         * doc/invoke.texi (TILE-Gx Options): New section.
3205         (TILEPro Options): New section.
3206         * doc/md.texi (TILE-Gx): New section.
3207         (TILEPro): New section.
3208         * common/config/tilegx/tilegx-common.c: New file.
3209         * common/config/tilepro/tilepro-common.c: New file.
3210         * config/tilegx/constraints.md: New file.
3211         * config/tilegx/linux.h: New file.
3212         * config/tilegx/mul-tables.c: New file.
3213         * config/tilegx/predicates.md: New file.
3214         * config/tilegx/sync.md: New file.
3215         * config/tilegx/t-tilegx: New file.
3216         * config/tilegx/tilegx-builtins.h: New file.
3217         * config/tilegx/tilegx-c.c: New file.
3218         * config/tilegx/tilegx-generic.md: New file.
3219         * config/tilegx/tilegx-modes.def: New file.
3220         * config/tilegx/tilegx-multiply.h: New file.
3221         * config/tilegx/tilegx-protos.h: New file.
3222         * config/tilegx/tilegx.c: New file.
3223         * config/tilegx/tilegx.h: New file.
3224         * config/tilegx/tilegx.md: New file.
3225         * config/tilegx/tilegx.opt: New file.
3226         * config/tilepro/constraints.md: New file.
3227         * config/tilepro/gen-mul-tables.cc: New file.
3228         * config/tilepro/linux.h: New file.
3229         * config/tilepro/mul-tables.c: New file.
3230         * config/tilepro/predicates.md: New file.
3231         * config/tilepro/t-tilepro: New file.
3232         * config/tilepro/tilepro-builtins.h: New file.
3233         * config/tilepro/tilepro-c.c: New file.
3234         * config/tilepro/tilepro-generic.md: New file.
3235         * config/tilepro/tilepro-modes.def: New file.
3236         * config/tilepro/tilepro-multiply.h: New file.
3237         * config/tilepro/tilepro-protos.h: New file.
3238         * config/tilepro/tilepro.c: New file.
3239         * config/tilepro/tilepro.h: New file.
3240         * config/tilepro/tilepro.md: New file.
3241         * config/tilepro/tilepro.opt: New file.
3242
3243 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3244
3245         PR tree-optimization/52210
3246         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3247         vect_model_simple_cost with two entry vect_def_type array instead
3248         of an address of dt.
3249
3250 2012-02-14  Richard Guenther  <rguenther@suse.de>
3251
3252         PR lto/52178
3253         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3254         Do not stream DECL_QUALIFIER.
3255         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3256         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3257         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3258
3259 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3260
3261         PR c/52181
3262         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3263         newdecl.
3264
3265 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3266
3267         PR bootstrap/52172
3268         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3269         * cselib.c (cselib_subst_to_values_from_insn): New function.
3270         * sched-deps.c (add_insn_mem_dependence,
3271         sched_analyze_1, sched_analyze_2): Use it.
3272
3273 2012-02-13  Jan Hubicka  <jh@suse.cz>
3274
3275         PR middle-end/52214
3276         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3277
3278 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3279
3280         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3281         (GTM_SELF_SPECS): Define if not already defined.
3282         (driver_self_specs): Add GTM_SELF_SPECS.
3283         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3284         (GTM_SELF_SPECS): Define.
3285         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3286         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3287
3288 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3289
3290         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3291         away if seen.
3292
3293         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3294
3295         PR middle-end/52230
3296         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3297         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3298
3299 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3300
3301         PR c/52190
3302         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3303
3304 2012-02-13  Richard Guenther  <rguenther@suse.de>
3305
3306         PR translation/52211
3307         * passes.c (enable_disable_pass): Fix typo.
3308
3309 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3310
3311         PR middle-end/52209
3312         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3313         XOR for reduce_bit_field if type is unsigned.
3314
3315 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3316
3317         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3318         disallow changes from SFmode to mode with different size in FP regs.
3319
3320 2012-02-12  Robert Millan  <rmh@gnu.org>
3321             Gerald Pfeifer <gerald@pfeifer.com>
3322
3323         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3324         Tweak comment.
3325
3326 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3327
3328         PR rtl-optimization/52175
3329         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3330         to frame-related instructions.
3331
3332 2012-02-10  Jason Merrill  <jason@redhat.com>
3333
3334         PR c++/51910
3335         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3336         (demangle_new_symbols): Fill it.
3337         (scan_linker_output): Walk it.
3338         (start_tweaking): Split out from scan_linker_output.
3339         (maybe_tweak): Update sym->chosen.
3340         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3341
3342 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3343
3344         PR debug/52132
3345         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3346
3347 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3348
3349         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3350         having the same mode as previous compare.
3351
3352 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3353
3354         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3355         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3356         (nonlocal_goto_internal): Likewise.
3357         (nonlocal_goto): Emit a use and an indirect jump directly.
3358
3359 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3360
3361         PR c/52190
3362         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3363         __atomic_{is,always}_lock_free.
3364
3365 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3366
3367         PR target/52146
3368         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3369         negative constant address for x32.
3370
3371 2012-02-10  Richard Henderson  <rth@redhat.com>
3372
3373         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3374         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3375         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3376
3377 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3378             Ira Rosen  <irar@il.ibm.com>
3379
3380         PR tree-optimization/50031
3381         * targhooks.c (default_builtin_vectorization_cost): Handle
3382         vec_promote_demote.
3383         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3384         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3385         all types of reduction and pattern statements.
3386         (vect_estimate_min_profitable_iters): Likewise.
3387         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3388         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3389         for explicit realigns.
3390         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3391         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3392         vec_promote_demote.
3393         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3394         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3395         vec_perm for VSX and handle vec_promote_demote.
3396
3397 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3398
3399         PR middle-end/52177
3400         * builtins.c (fold_builtin_atomic_always_lock_free,
3401         expand_builtin_atomic_always_lock_free,
3402         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3403         Return and/or test boolean_true_node/boolean_false_node instead of
3404         integer_one_node/integer_zero_node.
3405
3406 2012-02-10  Jan Hubicka  <jh@suse.cz>
3407
3408         PR middle-end/48600
3409         * predict.c (predict_paths_for_bb): Prevent looping.
3410         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3411
3412 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3413
3414         * config/arm/arm.c (output_move_double): In one case properly
3415         count number of instructions that will be emitted.
3416
3417 2012-02-10  Richard Guenther  <rguenther@suse.de>
3418
3419         PR translation/52193
3420         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3421
3422 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3423
3424         PR middle-end/52140
3425         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3426
3427 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3428
3429         PR debug/52165
3430         * var-tracking.c (emit_note_insn_var_location): If
3431         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3432         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3433         non-NOTE_DURING_CALL_P insn.
3434
3435 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3436
3437         PR middle-end/51867
3438         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3439
3440 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3441
3442         PR driver/48524
3443         * gcc.c (switch_matches) Support switches with separated form,
3444         -D and -U.
3445
3446 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3447
3448         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3449         (SP_ADDR): Ditto.
3450         (RAMPZ_ADDR): Ditto.
3451         * config/avr/avr.c (avr_addr_t): New typedef.
3452         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3453         (avr_init_expanders): Initialize it.
3454         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3455         SREG_ADDR.
3456         (expand_epilogue): Ditto.
3457         (avr_print_operand): Ditto.
3458         (avr_file_start): Ditto.
3459         (avr_emit_movmemhi): Ditto.
3460
3461 2012-02-08  Richard Guenther  <rguenther@suse.de>
3462
3463         PR tree-optimization/46886
3464         * tree-flow.h (do_while_loop_p): Declare.
3465         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3466         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3467
3468 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3469
3470         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3471         always succeed for integers larger than a native word.
3472
3473 2012-02-08  Richard Guenther  <rguenther@suse.de>
3474
3475         PR rtl-optimization/52170
3476         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3477         properly handle integer vector modes.
3478
3479 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3480
3481         PR gcov-profile/52150
3482         * coverage.c: Include target.h.
3483         (build_var): Call targetm.strip_name_encoding on the assembler name.
3484         Change one _ into . or $ if the target allows it.
3485         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3486
3487         PR rtl-optimization/52139
3488         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3489         is a BARRIER after emit_insn_after_noloc, move BB_END
3490         to the last non-BARRIER insn before it.
3491
3492 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3493
3494         PR middle-end/24306
3495         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3496         (mips_gimplify_va_arg_expr): Call it instead of
3497         std_gimplify_va_arg_expr.
3498
3499 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3500
3501         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3502         message for -mno-pointers-to-nested-function.
3503
3504 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3505
3506         PR middle-end/51994
3507         * expr.c (get_inner_reference): If there is an offset, add a negative
3508         bit position to it (if any).
3509
3510 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3511
3512         PR rtl-optimization/52060
3513         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3514         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3515         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3516         and/or i0src_copy2 when needed.
3517
3518 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3519
3520         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3521         or LTOPLUGINSONAME if have_c.
3522
3523         * config/freebsd-spec.h: Add comment about what macros can be defined
3524         in this header.
3525         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3526         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3527         here instead.
3528
3529 2012-02-07  Richard Guenther  <rguenther@suse.de>
3530
3531         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3532         newline in -alias dumps.
3533
3534 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3535             Dave Korn  <dave.korn.cygwin@gmail.com>
3536
3537         PR target/40068
3538         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3539         Take care that typinfo gets dllexport-attribute.
3540
3541 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3542
3543         PR middle-end/52074
3544         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3545         if modifier < EXPAND_SUM call force_operand on the result.
3546
3547 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3548
3549         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3550         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3551         present.
3552         (epiphany_function_type): Replace types for specific interrupts with
3553         EPIPHANY_FUNCTION_INTERRUPT.
3554         (EPIPHANY_INTERRUPT_P): Update.
3555         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3556         New static function.
3557         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3558         <disinterrupt>: Affects type identity.
3559         (epiphany_handle_interrupt_attribute): Handle variable number of
3560         arguments.
3561         (epiphany_compute_function_type): Update for new
3562         epiphany_function_type definition.
3563         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3564         handlers with a longcall forwarder.
3565         (epiphany_start_function): Handle multiple interrupt arguments and/or
3566         forwarder_section attribute.
3567
3568         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3569         libgloss.
3570
3571 2012-02-07  Alan Modra  <amodra@gmail.com>
3572
3573         PR target/52107
3574         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3575         subregs of TFmode.
3576
3577 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3578
3579         PR tree-optimization/50969
3580         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3581         use vec_perm rather than vector_stmt.
3582         (vect_model_load_cost): Likewise.
3583         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3584         vec_perm to be the same as other vector statements.
3585         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3586         cost of vec_perm for TARGET_VSX.
3587
3588 2012-02-06  Richard Guenther  <rguenther@suse.de>
3589
3590         PR tree-optimization/52115
3591         * tree-sra.c (access_has_replacements_p): New function.
3592         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3593
3594 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3595
3596         PR middle-end/52047
3597         * trans-mem.c (expand_call_tm): Add an assertion.
3598         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3599         functions.
3600
3601 2012-02-06  Richard Guenther  <rguenther@suse.de>
3602
3603         PR tree-optimization/50955
3604         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3605         raise cost of expressions that replace an address with an
3606         expression based on a different pointer.
3607
3608 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3609
3610         PR target/52129
3611         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3612         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3613
3614 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3615
3616         PR c++/48680
3617         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3618         -Weffc++ and specify guidelines come from second edition.
3619
3620 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3621
3622         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3623         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3624         (call_direct_split, call_value_split, call_value_internal_direct)
3625         (call_value_direct_split, call_value_multiple_split): Use jal and
3626         jal_macro attributes.
3627
3628 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3629
3630         * reload1.c (reload_regs_reach_end_p): Replace with...
3631         (reload_reg_rtx_reaches_end_p): ...this function.
3632         (new_spill_reg_store): Update commentary.
3633         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3634         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3635         before setting new_spill_reg_store.
3636         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3637         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3638         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3639         for non-spill reload registers.
3640
3641 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3642
3643         PR tree-optimization/52091
3644         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3645         (vect_is_simple_use_1): Likewise.
3646         * tree-vect-loop.c (vectorizable_reduction): Update calls
3647         to vect_is_simple_use_1 and vect_is_simple_use.
3648         (vectorizable_live_operation): Likewise.
3649         * tree-vect-patterns.c (widened_name_p,
3650         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3651         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3652         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3653         vectorizable_shift,vectorizable_operation, vectorizable_store,
3654         vectorizable_load): Likewise.
3655         (vect_is_simple_cond): Add an argument, pass it to
3656         vect_is_simple_use_1.
3657         (vectorizable_condition): Update calls to vect_is_simple_cond,
3658         vect_is_simple_use.
3659         (vect_is_simple_use): Add an argument, the statement in which
3660         OPERAND is used.  Check that if OPERAND's def stmt is a double
3661         reduction phi node, the use is a phi node too.
3662         (vect_is_simple_use_1): Add an argument, pass it to
3663         vect_is_simple_use.
3664         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3665         to vect_is_simple_use.
3666
3667 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3668
3669         PR rtl-optimization/52095
3670         * modulo-sched.c (dump_insn_locator): New function.
3671         (loop_canon_p, sms_schedule): Use it.
3672
3673         PR rtl-optimization/52113
3674         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3675         even for decomposable shift/zext insns.
3676
3677 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3678             Zdenek Dvorak  <ook@ucw.cz>
3679
3680         PR rtl-optimization/52092
3681         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3682         on get_iv_value result.
3683
3684 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3685
3686         PR middle-end/47982
3687         PR middle-end/43967
3688         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3689
3690 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3691
3692         PR middle-end/48071
3693         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3694
3695 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3696
3697         PR rtl-optimization/49800
3698         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3699         (sched_finish): Call regstat_free_n_sets_and_refs.
3700
3701 2012-02-02  Jia Liu  <proljc@gmail.com>
3702
3703         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3704         than operand 2.
3705
3706 2012-02-02  Jan Hubicka  <jh@suse.cz>
3707             Tom de Vries  <tom@codesourcery.com>
3708
3709         PR middle-end/51998
3710         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3711         * varpool.c (varpool_analyze_pending_decls): Likewise.
3712
3713 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3714             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3715
3716         * config.gcc: Add cr16-* support.
3717
3718         * doc/extend.texi: Document cr16 extensions.
3719         * doc/install.texi: Document cr16 install.
3720         * doc/invoke.texi: Document cr16 options.
3721         * doc/md.texi: Document cr16 constraints.
3722
3723         * common/config/cr16/cr16-common.c: New file.
3724         * config/cr16/cr16.c: New file.
3725         * config/cr16/cr16.h: New file.
3726         * config/cr16/cr16.md: New file.
3727         * config/cr16/cr16.opt: New file.
3728         * config/cr16/cr16-protos.h: New file.
3729         * config/cr16/predicates.md: New file.
3730         * config/cr16/constraints.md: New file.
3731         * config/cr16/t-cr16: New file.
3732
3733 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3734
3735         PR target/52086
3736         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3737         that operands[2] is either immediate, or q_regs_operand.
3738
3739         PR tree-optimization/52073
3740         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3741         a pattern stmt for pattern uses, ignore uses outside of the loop.
3742
3743 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3744
3745         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3746         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3747         (OUT_AS1, OUT_AS2): Remove.
3748
3749 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3750
3751         PR rtl-optimization/51374
3752         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3753         to cross other volatile_refs_p insns.
3754
3755 2012-02-01  Richard Guenther  <rguenther@suse.de>
3756
3757         * doc/invoke.texi (fno-inline): Clarify documentation.
3758         (finline-small-functions): Likewise.
3759         (finline-functions): Likewise.
3760         * common.opt (finline): Adjust comment and documentation.
3761         (finline-small-functions): Clarify documentation.
3762         (finline-functions): Likewise.
3763         (finline-functions-called-once): Likewise.
3764
3765 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3766
3767         * c-typeck.c (composite_type): Keep mode for pointers.
3768
3769 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3770
3771         * function.h (regno_reg_rtx): Adjust comment.
3772         * reginfo.c (init_reg_modes_target): Only use the previous mode
3773         if it fits within one register.  Remove MIPS comment.
3774
3775 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3776
3777         PR bootstrap/52058
3778         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3779
3780 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3781
3782         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3783         to srak instruction.
3784
3785 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3786
3787         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3788
3789 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3790
3791         PR bootstrap/52041
3792         PR bootstrap/52039
3793         PR target/51974
3794         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3795
3796 2012-01-31  Richard Guenther  <rguenther@suse.de>
3797
3798         PR tree-optimization/51528
3799         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3800         assigns.
3801
3802 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3803
3804         PR bootstrap/52041
3805         PR bootstrap/52039
3806         PR target/51974
3807         * ree.c (add_removable_extension): Change def_map argument
3808         to unsigned *, store in def_map 1 + offset into *insn_list vector
3809         instead of pointers into the vector.
3810         (find_removable_extensions): Adjust caller.
3811
3812 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3813
3814         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3815         Transform all "* quoted-c-code" to { c-code }.
3816         Remove redundant test for "optimize" in combine patterns.
3817         Move (include "avr-dimode.md") to end of file.
3818
3819 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3820
3821         PR target/51835
3822         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3823         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3824
3825 2012-01-30  Richard Guenther  <rguenther@suse.de>
3826
3827         PR tree-optimization/52028
3828         * tree-loop-distribution.c (ldist_gen): Properly update
3829         virtual SSA form.
3830
3831 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3832
3833         PR debug/52027
3834         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3835         set_cur_line_info_table if not emitting debug info.
3836
3837         PR tree-optimization/52046
3838         * tree-vect-patterns.c (check_bool_pattern): Give up if
3839         a comparison could throw.
3840
3841         PR debug/52048
3842         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3843
3844 2012-01-30  Richard Guenther  <rguenther@suse.de>
3845
3846         PR tree-optimization/52045
3847         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3848         SSA form if cfgcleanup did anything.
3849
3850 2012-01-30  Richard Guenther  <rguenther@suse.de>
3851
3852         PR tree-optimization/52045
3853         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3854         before computing final todo.
3855
3856 2012-01-30  Richard Guenther  <rguenther@suse.de>
3857
3858         PR tree-optimization/51528
3859         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3860         for PR51528 fix.
3861
3862 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3863
3864         * df-problems.c (df_kill_notes): Check that the use refers
3865         to the note under examination.
3866
3867 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3868
3869         PR target/51920
3870         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3871         parameter and use short-lived pseudos.
3872         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3873         (sparc_expand_vector_init): Const-ify local variables and adjust
3874         calls to above functions.
3875
3876 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3877
3878         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3879
3880 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3881
3882         * doc/invoke.texi: Make usage of "compile time" and
3883         "run time"/"runtime" consistent throughout the file.
3884
3885 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3886
3887         * config/alpha/alpha.c (alpha_option_override): Default to
3888         full IEEE compliance mode for Go language.
3889
3890 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3891
3892         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3893         (LINK_SSP_SPEC): Define.
3894
3895 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3896
3897         PR target/51871
3898         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3899         stubs.
3900
3901 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3902
3903         * doc/invoke.texi: Correct hyphenation of "floating point",
3904         "double precision", and related terminology throughout the file.
3905
3906 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3907
3908         PR target/52006
3909         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3910         arm_general_register_operand predicate for operand 2 instead of
3911         register_operand.
3912
3913 2012-01-27  Ian Lance Taylor  <iant@google.com>
3914
3915         PR go/47656
3916         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3917         * builtins.c (expand_builtin_init_trampoline): Add onstack
3918         parameter.  Change caller.
3919         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3920         * tree.c (build_common_builtin_nodes): Declare
3921         __builtin_init_heap_trampoline.
3922
3923 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3924
3925         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3926         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3927         * config/avr/avr.c: Ditto.
3928         (avr_regnames): Remove because unused.
3929         * config/avr/avr.md (*cpse.ne): New peephole.
3930         (*cpse.eq): New peephole from former cpse peepholes.
3931
3932 2012-01-27  Michael Eager  <eager@eagercon.com>
3933
3934         * config/microblaze.c (microblaze_emit_compare): Correct
3935         test after pcmp instruction.
3936
3937 2012-01-27  Richard Guenther  <rguenther@suse.de>
3938
3939         PR tree-optimization/52020
3940         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3941
3942 2012-01-27  Richard Guenther  <rguenther@suse.de>
3943
3944         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3945         function non-const/pure.
3946
3947 2012-01-27  Richard Guenther  <rguenther@suse.de>
3948
3949         PR tree-optimization/50444
3950         * tree-sra.c (build_ref_for_offset): Properly adjust the
3951         MEM_REF type for unaligned accesses.
3952
3953 2012-01-27  Richard Guenther  <rguenther@suse.de>
3954
3955         PR tree-optimization/50444
3956         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3957         (expand_assignment): Use it.  Properly handle misaligned
3958         bases when expanding stores to component references.
3959         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3960         refactor that case.
3961
3962 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3963
3964         PR middle-end/51389
3965         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3966         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3967         * tree-data-ref.c (find_data_references_in_loop): Make static.
3968         (compute_all_dependences): Change return type to bool.  Bail out
3969         for too many datarefs in a loop.  Move the hunk resetting the data
3970         dependences vector from ...
3971         (compute_data_dependences_for_loop): ... here.  Account for
3972         compute_all_dependences returning false.
3973         (compute_data_dependences_for_bb): Likewise.
3974         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3975         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3976
3977 2012-01-27  Richard Guenther  <rguenther@suse.de>
3978
3979         PR middle-end/51959
3980         * expr.c (store_field): Use the alias-set of the scratch memory
3981         for storing to it.
3982
3983 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3984
3985         PR tree-optimization/51990
3986         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3987         WITH_SIZE_EXPR.
3988         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3989
3990 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3991
3992         PR debug/52001
3993         * var-tracking.c (reverse_op): Don't add any reverse operation
3994         if V already has any constant locations.
3995
3996 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3997
3998         * doc/invoke.texi: Correct usage of "command line" (noun)
3999         vs "command-line" (adjective) throughout.
4000
4001 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4002
4003         * doc/invoke.texi (Language Independent Options): Move
4004         -Wcoverage-mismatch blurb from here....
4005         (Warning Options): ...to here.
4006
4007 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
4008
4009         * config/rs6000/rs6000.c (rs6000_option_override_internal):
4010         Set rs6000_always_hint to false for 476.
4011
4012 2012-01-27  Matthias Klose  <doko@ubuntu.com>
4013
4014         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4015           system root.
4016         * incpath.c (add_standard_paths): Likewise.
4017
4018 2012-01-27  Richard Henderson  <rth@redhat.com>
4019
4020         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4021         * config/m68k/sync.md (atomic_test_and_set): Rename from
4022         sync_test_and_setqi and adjust the operands.
4023         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4024         and unconditionally enable.
4025
4026 2012-01-27  Richard Henderson  <rth@redhat.com>
4027
4028         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4029         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
4030         (ldstub): Rename from ldstubqi.
4031         (ldstub<I24MODE>): Remove.
4032
4033 2012-01-27  Richard Henderson  <rth@redhat.com>
4034
4035         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4036         * c-cppbuiltin.c (cpp_atomic_builtins): Define
4037         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4038         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4039         * doc/tm.texi: Rebuild.
4040
4041 2012-01-27  Richard Henderson  <rth@redhat.com>
4042
4043         * optabs.c (gen_atomic_test_and_set): Remove default.
4044         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4045
4046 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4047
4048         PR rtl-optimization/51978
4049         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4050         (combine_reaching_defs): Likewise.
4051         (struct re_info): Remove.
4052         (add_removable_extension): Remove x and data arguments,
4053         add insn, insn_list and def_map.  Use the arguments directly
4054         instead of using struct re_info.
4055         (find_removable_extensions): Don't call add_removable_extension
4056         through note_stores, instead just call it with single_set
4057         result if non-NULL.
4058         (find_and_remove_re): Pass curr_cand->expr instead of
4059         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4060
4061 2012-01-26  Michael Matz  <matz@suse.de>
4062
4063         PR tree-optimization/46590
4064         * cfgexpand.c: Revert last change (r183305).
4065         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4066         regs.
4067         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4068         checking for emptiness.
4069
4070 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4071
4072         PR middle-end/51895
4073         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4074         non-addressable non-BLKmode base correctly.
4075
4076 2012-01-26  Michael Matz  <matz@suse.de>
4077
4078         PR tree-optimization/48794
4079         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4080         regions referenced from RESX/EH_DISPATCH.
4081
4082 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4083
4084         * config/s390/s390.h: Make BRANCH_COST an option.
4085         * config/s390/s390.opt: New option -mbranch-cost.
4086
4087 2012-01-26  Richard Henderson  <rth@redhat.com>
4088
4089         Revert 2012-01-24 change:
4090         * trans-mem.c (requires_barrier): Do not instrument thread local
4091         variables and emit save/restore for them.
4092
4093 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4094
4095         PR middle-end/51986
4096         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4097         for pat == 0.
4098
4099 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
4100
4101         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4102         ASM_OPERANDS.
4103
4104 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
4105
4106         PR target/49868
4107         Rename __pgm to __flash.
4108         Rename __pgm1 to __flash1.
4109         Rename __pgm2 to __flash2.
4110         Rename __pgm3 to __flash3.
4111         Rename __pgm4 to __flash4.
4112         Rename __pgm5 to __flash5.
4113         Rename __pgmx to __memx.
4114         * doc/extend.texi (AVR Named Address Spaces)
4115         Rename address space names as indicated above.
4116         * config/avr/avr.c (avr_addrspace): Ditto.
4117
4118         * config/avr/avr-protos.h
4119         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4120         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4121         * config/avr/predicates.md: Ditto.
4122         * config/avr/avr.c Ditto, and
4123         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4124         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4125
4126         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4127         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4128         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4129         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4130         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4131         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4132         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4133         * config/avr/avr.c: Ditto.
4134         * config/avr/avr.md: Ditto.
4135
4136 2012-01-25  Jason Merrill  <jason@redhat.com>
4137
4138         PR c++/51992
4139         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4140
4141 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4142
4143         PR tree-optimization/51987
4144         * tree-data-ref.c (get_references_in_stmt): Handle references in
4145         non-volatile GIMPLE_ASM.
4146
4147 2012-01-25  Richard Guenther  <rguenther@suse.de>
4148
4149         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4150         bases are dereferenced.
4151
4152 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4153
4154         PR rtl-optimization/48374
4155         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4156
4157 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4158
4159         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4160         compute_data_dependences_for_loop returns false.
4161        &