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1 2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>
2
3         Backport from mainline r189840 and r187586:
4         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
5
6         * config/i386/i386.md (stack_protect_set): Disable the pattern
7         for Android since Android libc (bionic) does not provide random
8         value for stack protection guard at gs:0x14. Guard value
9         will be provided from external symbol (default implementation).
10         (stack_protect_set_<mode>): Likewise.
11         (stack_protect_test): Likewise.
12         (stack_protect_test_<mode>): Likewise.
13         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
14         not have Bionic by default
15         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
16         Macro OPTION_BIONIC is defined in this file and provides Bionic
17         accessibility status
18
19         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
20
21         * configure.ac: Stack protector enabling for Android targets.
22         * configure: Regenerate.
23
24 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
25
26         Backported from trunk
27         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
28
29         PR rtl-optimization/53942
30         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
31         directly from likely spilled non-fixed hard registers, move them
32         to pseudo first.
33
34 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
35
36         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
37         (xop_phaddubq): Ditto.
38
39 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
40
41         Backport from mainline
42         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
43                     Richard Earnshaw  <rearnsha@arm.com>
44
45         * target.def (vector_alignment): New target hook.
46         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
47         * doc/tm.texi: Regenerate.
48         * targhooks.c (default_vector_alignment): New function.
49         * targhooks.h (default_vector_alignment): Add prototype.
50         * stor-layout.c (layout_type): Use targetm.vector_alignment.
51         * config/arm/arm.c (arm_vector_alignment): New function.
52         (TARGET_VECTOR_ALIGNMENT): Define.
53
54         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
55         vector type alignment instead of size.
56         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
57         element type size directly instead of computing it from alignment.
58         Fix variable naming and comment.
59
60 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
61
62         Backport from mainline
63         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
64
65         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
66         (alpha_pad_function_end): ... this.  Also insert NOP between
67         sibling call and GP load.
68         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
69
70 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
71
72         Backport from mainline
73         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
74                     H.J. Lu  <hongjiu.lu@intel.com>
75
76         PR rtl-optimization/54157
77         * combine.c (gen_lowpart_for_combine): Don't return identity
78         for CONST or symbolic reference.
79
80 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
81
82         Backport from mainline
83         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
84
85         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
86         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
87         split_cost argument signed.
88         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
89         (ix86_avoid_lea_for_addr): Ditto.
90
91         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
92
93         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
94         the address has less than two components.
95
96 2012-08-02  Steve Ellcey  <sellcey@mips.com>
97
98         Backport from mainline
99         2012-07-19  Steve Ellcey  <sellcey@mips.com>
100
101         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
102         MIPS16 mode.
103
104 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
105
106         Backport from mainline
107         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
108
109         PR target/53961
110         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
111         negative constant address for TARGET_X32 ...
112         (ix86_decompose_address): ... here.  Reject constant addresses
113         that don't satisfy x86_64_immediate_operand predicate.
114
115         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
116
117         PR target/53961
118         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
119         * config/i386/i386.c (ix86_print_operand_address): Ditto.
120         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
121         addresses.  Prevent zero extensions of CONST_INT operands.
122
123         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
124
125         PR target/53961
126         * config/i386/i386.md (*lea): New insn pattern.
127         (*lea_1): Remove.
128         (*lea<mode>_2): Ditto.
129         (*lea_{3,4,5,6}_zext): Ditto.
130         * config/i386/predicates.md (lea_address_operand): Do not reject
131         zero-extended address operands.
132         * config/i386/constraints.md (j): Remove address constraint.
133         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
134         of an address.
135         (ix86_print_operand_address): Handle SImode subreg of an address.
136         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
137
138 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
139
140         Backport from mainline
141         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
142
143         PR target/52530
144         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
145         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
146         to set code to 'q'.
147         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
148         (*movdi_internal_rex64): Use %E operand modifier for lea.
149         (*movsi_internal): Ditto.
150         (*lea_1): Ditto.
151         (*lea<mode>_2): Ditto.
152         (*lea_{3,4,5,6}_zext): Ditto.
153         (*tls_global_dynamic_32_gnu): Ditto.
154         (*tls_global_dynamic_64): Ditto.
155         (*tls_dynamic_gnu2_lea_32): Ditto.
156         (*tls_dynamic_gnu2_lea_64): Ditto.
157         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
158
159 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
160
161         Backport from mainline
162         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
163
164         * config/i386/i386.c (ix86_address_subreg_operand): Reject
165         stack pointer.
166         (ix86_print_operand_address): Assert that parts.base and parts.index
167         are non-NULL after call to simplify_subreg.
168
169 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
170
171         PR target/33135
172         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
173         description.
174         * config/sh/sh.c (sh_option_override): Do not change
175         flag_finite_math_only.  Set TARGET_IEEE to complement of
176         flag_finite_math_only.
177         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
178         description of mieee and mno-ieee behavior.
179
180 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
181
182         PR target/53877
183         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
184         (_lzcnt_u64): Ditto.
185
186 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
187
188         Backport from mainline
189         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
190
191         PR rtl-optimization/52250
192         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
193         to put note list into.  Unconditionally call move_bb_info.
194         (move_bb_info): Do not assert the blocks being in the same region,
195         just drop the note list if they are not.
196
197 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
198
199         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
200
201 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
202
203         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
204         defining statement is a SSA name that occurs in abnormal PHIs.
205
206 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
207
208         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
209         conversions.
210
211 2012-07-19  Richard Guenther  <rguenther@suse.de>
212             Eric Botcazou  <ebotcazou@adacore.com>
213
214         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
215         about transition from invariant to known bits.
216         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
217
218 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
219
220         PR middle-end/54017
221         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
222         (cleanup_tree_cfg_bb): Don't call it.
223         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
224         handling.
225
226 2012-07-19  Christian Bruel  <christian.bruel@st.com>
227
228         PR target/54029
229         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
230
231 2012-07-18  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
232
233         * config.gcc (v850-*-rtems*): New target.
234         * config/v850/rtems.h: New.
235         * config/v850/t-rtems: New.
236
237 2012-07-18  Nick Clifton  <nickc@redhat.com>
238
239         * doc/invoke.texi (ARM Options): Document -munaligned-access.
240
241 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
242
243         PR target/53961
244
245         Backport from mainline
246         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
247
248         PR target/53110
249         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
250         instead expand it as zero extension.
251
252 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
253
254         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
255         QImode and HImode splitters.  Use ix86_comparison_operator.
256         Explicitly match FLAGS_REG.
257         (DFmode cmove splitter): Explicitly match FLAGS_REG.
258
259 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
260             Steven Bosscher  <steven@gcc.gnu.org>
261             Bernd Schmidt  <bernds@codesourcery.com>
262
263         PR rtl-optimization/53908
264         * df-problems.c (can_move_insns_across): When doing
265         memory-reference book-keeping, handle call insns.
266
267 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
268
269         Backport from mainline
270         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
271
272         PR target/53811
273         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
274         sibcall_insn_operand.  Move it to a temporary register if not.
275
276         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
277
278         PR target/53853
279         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
280         emit PIC sequence for fnaddr symbol reference in advance.
281
282 2012-07-09  Jason Merrill  <jason@redhat.com>
283
284         PR c++/53882
285         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
286         (type_hash_eq): Likewise.
287
288         PR c++/53826
289         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
290
291 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
292
293         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
294         due to negative shift amount.
295
296 2012-07-06  Kai Tietz  <ktietz@redhat.com>
297
298         Backport from mainline.
299         PR bootstrap/52947
300         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
301         as "/mingw/include".
302
303 2012-07-06  Nick Clifton  <nickc@redhat.com>
304
305         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
306         default_encode_section_info.
307
308 2012-07-06  Richard Guenther  <rguenther@suse.de>
309
310         Backport from mainline
311         2012-03-30  Richard Guenther  <rguenther@suse.de>
312
313         PR middle-end/52786
314         * double-int.c (rshift_double): Remove not needed cast.
315
316         2012-03-28  Richard Guenther  <rguenther@suse.de>
317
318         PR middle-end/50708
319         * double-int.h (rshift_double): Remove.
320         * double-int.c (lshift_double): Use absu_hwi to make count
321         positive.
322         (rshift_double): Make static, take unsigned count argument,
323         remove handling of negative count argument.
324         (double_int_rshift): Dispatch to lshift_double.
325
326 2012-07-06  Richard Guenther  <rguenther@suse.de>
327
328         Backport from mainline
329         2012-06-18  Richard Guenther  <rguenther@suse.de>
330
331         PR tree-optimization/53693
332         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
333         Reject operands with more than one use.
334
335 2012-07-06  Richard Guenther  <rguenther@suse.de>
336
337         Backport from mainline
338         2012-04-11  Richard Guenther  <rguenther@suse.de>
339
340         PR middle-end/52621
341         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
342         consider loop nesting.
343         (evolution_function_is_univariate_p): Properly check the remainder
344         for chrecs.
345
346 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
347
348         Backport from mainline
349         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
350
351         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
352         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
353         (adjacent_mem_locations): Move some code to and call...
354         (get_memref_parts): ...new function.
355         (mem_locations_overlap): New function.
356         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
357         (is_mem_ref): Rename to...
358         (find_mem_ref): ...this. Return MEM rtx.
359         (get_store_dest): Remove function.
360         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
361         new parameter and adjust calls.
362         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
363         mem refs overlap for true_store_to_load_dep_costly.
364         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
365         passed to adjacent_mem_locations.
366         (is_costly_group): Walk resolved dependency list.
367         (force_new_group): Emit group ending nop for Power6/Power7.
368         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
369         (group_ending_nop): New define_insn.
370
371 2012-07-04  Richard Guenther  <rguenther@suse.de>
372
373         PR middle-end/53433
374         * gimple-fold.c (get_base_constructor): Do not return an
375         error_mark_node DECL_INITIAL.
376
377 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
378
379         Backport from mainline
380         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
381
382         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
383         code model string in the error message.
384
385 2012-07-04  Tristan Gingold  <gingold@adacore.com>
386
387         Backport from mainline.
388         2012-06-25  Tristan Gingold  <gingold@adacore.com>
389
390         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
391         (seh_cfa_adjust_cfa): ... that function.
392         (seh_emit_stackalloc): Do not emit out of range values.
393         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
394         UNSPEC_DEF_CFA constants.
395         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
396         * config/i386/i386.c (ix86_frame_pointer_required): Required
397         for very large frames on SEH target.
398         (ix86_compute_frame_layout): Save area is before frame pointer
399         on SEH target.  Handle very large frames.
400         (ix86_expand_prologue): Likewise.
401
402 2012-07-04  Richard Guenther  <rguenther@suse.de>
403
404         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
405         as in free_lang_data_in_type.
406
407 2012-07-02  Martin Jambor  <mjambor@suse.cz>
408
409         Backport from mainline.
410         2012-07-02  Martin Jambor  <mjambor@suse.cz>
411
412         PR middle-end/38474
413         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
414         dynamic type change check.
415
416 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
417
418         * tree-eh.c (lower_try_finally_switch): Really put the location of the
419         last statement of the finally block onto the switch.
420
421 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
422
423         * configure: Regenerate.
424
425         Backport from mainline.
426         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
427
428         * config.gcc (target_type_format_char): New. Document it. Set it for
429         arm*-*-* .
430         * configure.ac (gnu_unique_option): Use target_type_format_char
431         in test.  Comment rationale.
432
433 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
434
435         Backport from mainline.
436         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
437
438         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
439
440 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
441
442         Backport from 2012-06-28 mainline r189049
443
444         PR 53595
445         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
446         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
447         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
448         avr_hard_regno_call_part_clobbered.
449
450 2012-06-28  Richard Guenther  <rguenther@suse.de>
451
452         PR middle-end/53790
453         * expr.c (expand_expr_real_1): Verify if the type is complete
454         before inspecting its size.
455
456 2012-06-27  Nick Clifton  <nickc@redhat.com>
457
458         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
459         input operand.
460
461 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
462
463         PR debug/53682
464         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
465
466 2012-06-26  Nick Clifton  <nickc@redhat.com>
467
468         * config/rx/rx.md (simple_return): Use the simple_return rtx.
469
470 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
471
472         PR target/53759
473         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
474         of x x x in the vmovlps load alternative.
475
476 2012-06-22  Richard Guenther  <rguenther@suse.de>
477
478         * gcov-iov.c: Include bconfig.h and system.h.
479
480 2012-06-22  Richard Guenther  <rguenther@suse.de>
481
482         PR gcov-profile/53744
483         * gcov-iov.c (main): Treat "" and "prerelease" the same.
484
485 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
486
487         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
488         DECL_IGNORED_P non-reg vars even if they are used.
489
490 2012-06-19  Jason Merrill  <jason@redhat.com>
491
492         PR c++/52637
493         * dwarf2out.c (modified_type_die): Use scope_die_for.
494         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
495         (uses_local_type_r, uses_local_type): New.
496         (scope_die_for): Keep a type that uses a local type in local scope.
497         Use get_context_die for namespace and type scope.
498
499 2012-06-19  Richard Guenther  <rguenther@suse.de>
500
501         PR middle-end/53470
502         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
503         replace it with the first non-BLOCK context.
504
505 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
506
507         PR rtl-optimization/53700
508
509         Backport from mainline
510         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
511
512         * ira-color.c (setup_left_conflict_sizes_p): Process all
513         conflicting objects.
514
515 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
516
517         Backport from mainline
518         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
519
520         PR target/52908
521         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
522         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
523         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
524         instead of xop_mulv2div2di3_low.
525         (xop_p<macs>dql): Fix vec_select selector.
526         (xop_p<macs>dqh): Ditto.
527         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
528         (xop_mulv2div2di3_high): Ditto.
529
530 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
531
532         Backport from mainline:
533         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
534
535         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
536
537 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
538
539         Backport from mainline:
540         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
541
542         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
543         * config/pa/pa.c (pa_attr_length_millicode_call): Use
544         MAX_PCREL17F_OFFSET instead of fixed offset.
545         (pa_attr_length_call): Likewise.
546         (pa_attr_length_indirect_call): Likewise.
547
548 2012-06-15  Walter Lee  <walt@tilera.com>
549
550         Backport from mainline:
551         2012-06-15  Walter Lee  <walt@tilera.com>
552
553         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
554
555         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
556
557         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
558
559 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
560
561         Backport from mainline:
562
563         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
564         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
565         * gimple.h (block_in_transaction): Check for flag_tm.
566
567 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
568
569         PR tree-optimization/52558
570
571         Backport from mainline:
572         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
573         * gimple.h (gimple_set_in_transaction): Remove.
574         (gimple_in_transaction): Look in BB instead.
575         (gimple_statement_base): Remove in_transaction field.
576         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
577         * trans-mem.c (compute_transaction_bits): Place transaction bit
578         information into basic blocks.
579
580         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
581
582         PR tree-optimization/52558
583         * cfg.c (alloc_aux_for_edge): Fix comment.
584         (alloc_aux_for_edge): Remove static.
585         * basic-block.h (alloc_aux_for_edge): Protoize.
586         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
587         (execute_sm_if_changed_flag): New.
588         (execute_sm_if_changed_flag_set): New.
589         (execute_sm): Do not generate data races unless requested.
590         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
591         (tree_ssa_lim_finalize): Call free_aux_for_edges.
592         * gimple.h (block_in_transaction): New.
593         (gimple_in_transaction): Use block_in_transaction.
594
595 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
596
597         Backported from mainline
598         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
599
600         PR rtl-optimization/53589
601         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
602         discovery even when e->dest != target.  If any LABEL_REF points
603         to e->dest label, redirect it to target's label.
604
605         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
606
607         PR middle-end/53580
608         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
609         returns false, replace stmt with GIMPLE_NOP.
610         (check_omp_nesting_restrictions): Instead of issuing warnings,
611         issue errors and return false if any errors were reported.
612
613 2012-06-14  Richard Guenther  <rguenther@suse.de>
614
615         * BASE-VER: Set to 4.7.2.
616         * DEV-PHASE: Set to prerelease.
617
618 2012-06-12  Christian Bruel  <christian.bruel@st.com>
619
620         PR target/53621
621         * config/sh/sh.c (sh_option_override): Don't force
622          flag_omit_frame_pointer and maccumulate_outgoing_args.
623         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
624
625 2012-06-14  Release Manager
626
627         * GCC 4.7.1 released.
628
629 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
630
631         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
632
633 2012-06-13  Richard Henderson  <rth@redhat.com>
634
635         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
636         iterator instead of INT.
637
638 2012-06-08  Richard Henderson  <rth@redhat.com>
639
640         PR c++/53602
641         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
642         note to a clobber insn when no other insn is available.
643
644 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
645
646         PR c++/53524
647         * doc/invoke.texi (Wenum-compare): Update documentation.
648
649 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
650
651         PR target/53559
652         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
653         operands.
654         (altivec_stvlxl): Ditto.
655         (altivec_stvrx): Ditto.
656         (altivec_stvrxl): Ditto.
657
658 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
659
660         PR middle-end/47530
661         * trans-mem.c (expand_block_edges): Do not skip the first
662         statement when resetting the BB.
663
664 2012-06-04  Richard Guenther  <rguenther@suse.de>
665
666         PR middle-end/53471
667         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
668         create new assembler names.
669
670 2012-06-04  Richard Guenther  <rguenther@suse.de>
671
672         Backport from mainline
673         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
674
675         PR middle-end/52979
676         * stor-layout.c (get_best_mode): Don't return mode with bitsize
677         larger than maxbits.  Don't compute maxbits modulo align.
678         Also check that unit bytes long store at bitpos / unit * unit
679         doesn't affect bits beyond bitregion_end.
680         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
681         would not fit into bitregion_start ... bitregion_end + 1 bit
682         region.
683         (store_split_bit_field): Decrease unit close to end of bitregion_end
684         if access is restricted in order to avoid mutual recursion.
685
686 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
687
688         Backport from 2012-06-04 mainline r188172
689
690         PR target/46261
691         * config/avr/avr-stdint.h: New file.
692         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
693         newlib-stdint.h
694
695 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
696
697         PR tree-optimization/53550
698         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
699         is POINTER_TYPE_P, use sizetype as step type instead of type.
700
701 2012-06-04  Richard Guenther  <rguenther@suse.de>
702             Eric Botcazou  <ebotcazou@adacore.com>
703
704         Backport from mainline
705         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
706
707         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
708         Change type of BITOFFSET to signed.  Make sure the lower bound of
709         the computed range is non-negative by adjusting OFFSET and BITPOS.
710         (expand_assignment): Adjust call to get_bit_range.
711
712         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
713
714         * expr.c (get_bit_range): Return the null range if the enclosing record
715         is part of a larger bit field.
716
717         2012-03-20  Richard Guenther  <rguenther@suse.de>
718
719         * stor-layout.c (finish_bitfield_representative): Fallback
720         to conservative maximum size if the padding up to the next
721         field cannot be computed as a constant.
722         (finish_bitfield_layout): If we cannot compute the distance
723         between the start of the bitfield representative and the
724         bitfield member start a new representative.
725         * expr.c (get_bit_range): The distance between the start of
726         the bitfield representative and the bitfield member is zero
727         if the field offsets are not constants.
728
729         2012-03-16  Richard Guenther  <rguenther@suse.de>
730
731         * stor-layout.c (finish_bitfield_representative): Fall back
732         to the conservative maximum size if we cannot compute the
733         size of the tail padding.
734
735         2012-03-14  Richard Guenther  <rguenther@suse.de>
736
737         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
738         * stor-layout.c (start_bitfield_representative): New function.
739         (finish_bitfield_representative): Likewise.
740         (finish_bitfield_layout): Likewise.
741         (finish_record_layout): Call finish_bitfield_layout.
742         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
743         for QUAL_UNION_TYPE fields.
744         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
745         Stream DECL_BIT_FIELD_REPRESENTATIVE.
746         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
747
748         PR middle-end/52080
749         PR middle-end/52097
750         PR middle-end/48124
751         * expr.c (get_bit_range): Unconditionally extract bitrange
752         from DECL_BIT_FIELD_REPRESENTATIVE.
753         (expand_assignment): Adjust call to get_bit_range.
754
755 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
756
757         PR middle-end/53501
758         * fold-const.c (fold_binary_loc): Refine previous change.
759
760 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
761
762         Backport from mainline
763         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
764
765         PR target/52667
766         * config/sh/sh.c (find_barrier): Add equality check of last_got to
767         avoid going above orig insn.  Update comments.
768
769 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
770
771         Backport from mainline
772         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
773
774         PR target/52642
775         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
776         prologue for unwinder and profiler.
777
778 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
779
780         Backport from mainline
781         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
782
783         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
784
785 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
786
787         Backport from mainline
788         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
789
790         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
791         DBX_REGISTER_NUMBER.
792
793 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
794
795         Backport from mainline
796         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
797
798         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
799         operand is CONST_INT.  Take COSTS_N_INSNS into account.
800         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
801         shiftcosts.     
802
803 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
804
805         * config/avr/avr.opt (-msp8): Document it.
806         * doc/invoke.texi (AVR Options): Copy from trunk docu.
807
808 2012-05-31  Richard Guenther  <rguenther@suse.de>
809
810         PR middle-end/48493
811         * expr.c (expand_assignment): Do not use movmisalign on
812         non-memory.
813
814 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
815
816         PR target/52999
817         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
818         (pa_section_type_flags): New.
819         (pa_legitimate_constant_p): Revert previous change.
820
821 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
822
823         Backport from mainline
824         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
825
826         PR middle-end/53008
827         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
828         accessed indirectly.
829         (ipa_tm_create_version): Same.
830
831 2012-05-30  Jason Merrill  <jason@redhat.com>
832
833         PR c++/53220
834         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
835         about array compound literals.
836
837 2012-05-30  Richard Guenther  <rguenther@suse.de>
838
839         PR middle-end/53501
840         * fold-const.c (fold_binary_loc): Make sure to call
841         fold_plusminus_mult_expr with the original sign of operands.
842
843 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
844
845         * explow.c (probe_stack_range): Restore simple control flow and stop
846         again when the probe cannot be generated if HAVE_check_stack.
847
848 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
849
850         PR rtl-optimization/53519
851         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
852         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
853
854 2012-05-29  Richard Guenther  <rguenther@suse.de>
855
856         PR tree-optimization/53516
857         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
858         bitfield accesses.
859         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
860
861 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
862
863         Backport from mainline
864         2012-05-28  Richard Guenther  <rguenther@suse.de>
865
866         PR tree-optimization/53438
867         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
868
869 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
870
871         Backport from mainline
872         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
873
874         PR rtl-optimization/52528
875         * combine.c (can_combine_p): Add setting of subst_low_luid
876         before call to expand_field_assignment().
877
878 2012-05-26  Martin Jambor  <mjambor@suse.cz>
879
880         Backport from mainline
881         2012-05-23  Martin Jambor  <mjambor@suse.cz>
882
883         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
884
885 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
886
887         PR lto/52178
888         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
889         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
890
891 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
892
893         PR target/53435
894         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
895         (ix86_expand_vec_perm): Use int mode instead of float.
896
897 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
898
899         PR ada/52362
900         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
901         gnu_ld variables to yes.
902         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
903         (HAVE_GNU_AS): Likewise.
904         * config.in: Regenerate.
905         * configure: Likewise.
906
907 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
908
909         Backport from mainline
910         2012-03-12  Richard Guenther  <rguenther@suse.de>
911         * config/arm/arm.c (neon_dereference_pointer): Do not call
912         covert during RTL expansion.
913
914 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
915
916         Backport from mainline
917         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
918
919         PR target/53385
920         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
921         relied on signed overflow behavior.
922
923 2012-05-24  Richard Guenther  <rguenther@suse.de>
924
925         PR middle-end/53460
926         * tree-profile.c (tree_profiling): Cleanup the CFG if
927         execute_fixup_cfg requests it.
928
929 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
930
931         PR tree-optimization/53465
932         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
933         vr0 into *vr, then vrp_meet that.
934         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
935         have any equivalences.
936         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
937         first time.
938
939 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
940
941         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
942         size handling.
943         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
944         (iterative_hash_gimple_type): Adjust comment.
945         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
946         domain for an array type instead of the domain type itself.
947
948 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
949
950         Backport from 2012-05-23 mainline r187803
951
952         PR target/53448
953         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
954         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
955         ASM_OUTPUT_ALIGN.
956
957 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
958
959         Backport from 2012-05-03 mainline r187075
960
961         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
962         has_fma4 for AMD processors with both fma3 and fma4 support.
963
964 2012-05-22  Richard Guenther  <rguenther@suse.de>
965
966         PR tree-optimization/53408
967         * tree-vect-loop.c (vectorizable_induction): Properly check
968         the restriction that we cannot handle induction results from
969         the inner loop outside of the outer loop.
970
971 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
972
973         PR tree-optimization/53436
974         * omp-low.c (omp_build_component_ref): New function.
975         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
976
977         PR tree-optimization/53366
978         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
979         tests if complex_numbers == 2, but there are non-complex number loads
980         too.
981
982         PR tree-optimization/53409
983         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
984         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
985
986         PR tree-optimization/53410
987         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
988         instead of build_int_cst (type, 0) where vector types might be
989         involved.
990
991 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
992
993         PR c/53418
994         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
995         from folded operands before wrapping another around the
996         conditional expression.
997
998 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
999             Patrick Marlier  <patrick.marlier@gmail.com>
1000
1001         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1002         indirect calls.
1003
1004 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1005
1006         Backport from mainline
1007         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1008
1009         PR target/53416
1010         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1011         (UNSPECV_RDRAND): This.
1012         (rdrand<mode>_1): Updated.
1013
1014 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1015
1016         Backport from mainline
1017         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1018
1019         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1020         RDRND, F16C and FSGSBASE.
1021
1022 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1023
1024         Backport from mainline
1025         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1026
1027         * tree-ssa-pre.c (can_value_number_call): Delete.
1028         (compute_avail): Skip all statements with side effects.
1029         <GIMPLE_CALL>: Skip calls to internal functions.
1030
1031 2012-05-18  David S. Miller  <davem@davemloft.net>
1032
1033         Backport r185385 from mainline
1034         2012-03-14  Richard Guenther  <rguenther@suse.de>
1035
1036         PR middle-end/52584
1037         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1038         element type instead of mode, use build_vector_type_for_mode
1039         instead of the langhook, build a vector of proper signedness.
1040         (expand_vector_operations_1): Adjust.
1041
1042 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1043
1044         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1045         $(libsubdir) as libexecsubdir.
1046
1047 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1048
1049         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1050         GIMPLE_ASSIGN.
1051
1052 2012-05-16  David S. Miller  <davem@davemloft.net>
1053
1054         * jump.c (delete_related_insns): If we remove a CALL, make sure
1055         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1056
1057 2012-05-16  Richard Henderson  <rth@redhat.com>
1058
1059         PR debug/52727
1060         * combine-stack-adj.c (prev_active_insn_bb): New.
1061         (next_active_insn_bb): New.
1062         (force_move_args_size_note): New.
1063         (combine_stack_adjustments_for_block): Use it.
1064
1065 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1066
1067         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1068         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1069         Add comments and improve stamp preservation across the whole sequence.
1070         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1071
1072 2012-05-16  Richard Guenther  <rguenther@suse.de>
1073
1074         PR tree-optimization/53364
1075         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1076         detect a view-conversion of the decl.
1077
1078 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1079
1080         PR target/53358
1081         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1082         that operands[2] is either immediate, or q_regs_operand.
1083
1084 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1085
1086         Backport r187139 from mainline.
1087         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1088
1089         PR rtl-optimization/52804
1090         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1091         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1092         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1093         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1094         RELOAD_FOR_OUTADDR_ADDRESS.
1095
1096 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1097
1098         PR target/46098
1099         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1100         generate target register for "load" class builtins.
1101
1102         Revert:
1103         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1104
1105         PR target/46098
1106         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1107         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1108         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1109         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1110         (<sse>_movu<ssemodesuffix>): New expander.
1111         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1112         (avx_movdqu<avxmodesuffix>): New expander.
1113         (*sse2_movdqu): Rename from sse2_movdqu.
1114         (sse2_movdqu): New expander.
1115
1116 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1117
1118         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1119         lineno 1 the same as lineno 0 before first start file directive.
1120         (optimize_macinfo_range): Likewise.
1121
1122         * dwarf2out.c (have_macinfo): Define.
1123         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1124         attribute, don't force empty compilation unit and don't emit any
1125         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1126
1127 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1128
1129         Backport from mainline
1130         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1131
1132         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1133         ORDERED and UNORDERED conditions.
1134
1135 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1136
1137         * function.c (requires_stack_frame_p): If the function can throw
1138         non-call exceptions, return true if the insn can throw internally.
1139
1140 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1141
1142         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1143         DECL_ORIGINAL_TYPE if it is present.
1144
1145 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1146
1147         Backport from 2012-05-12 mainline r187342.
1148
1149         PR target/53256
1150         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1151         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1152         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1153         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1154         (expand_prologue): Move initialization of cfun->machine->is_naked,
1155         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1156         (avr_set_current_function): ...this new static function.
1157         (TARGET_SET_CURRENT_FUNCTION): New define.
1158         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1159         checking attributes of current_function_decl.
1160         (avr_regs_to_save): Ditto.
1161         (signal_function_p): Rename to avr_signal_function_p.
1162         (interrupt_function_p): Rename to avr_interrupt_function_p.
1163
1164         * doc/extend.texi (Function Attributes): Better explanation of
1165         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1166         alphabetical order.
1167
1168 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1169
1170         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1171
1172 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1173
1174         PR target/53272
1175         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1176         when a constant source operand matches an "I" constraint, the "no
1177         CC0 change" applies to a register-destination only, not a
1178         strict_low_part-destination.
1179
1180 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1181
1182         Backport from mainline:
1183         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1184
1185         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1186
1187 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1188
1189         PR tree-optimization/53239
1190         * tree-vrp.c (get_value_range): Set VR of
1191         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1192         to nonnull.
1193
1194 2012-05-07  Richard Guenther  <rguenther@suse.de>
1195
1196         PR tree-optimization/53195
1197         * tree-inline.c (setup_one_parameter): Properly add referenced
1198         vars from the parameters new known value.
1199
1200 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1201
1202         Backport from mainline:
1203         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1204
1205         PR target/52999
1206         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1207         in constant pool.
1208
1209 2012-05-04  Ian Lance Taylor  <iant@google.com>
1210
1211         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1212         values from false to NULL.
1213
1214 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1215
1216         Backport from mainline
1217         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1218
1219         PR target/53228
1220         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1221         (TARGET_CMOV): Rename from TARGET_CMOVE.
1222         (TARGET_CMOVE): New define.
1223         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1224         Do not set TARGET_CMOVE here.
1225
1226 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1227
1228         Backport from mainline:
1229
1230         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1231
1232         PR tree-optimization/52633
1233         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1234         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1235         (vect_recog_over_widening_pattern): Remove handling of code that was
1236         already detected as over-widening pattern.  Remove special handling
1237         of "unsigned" cases.  Instead, support general case of conversion
1238         of the shift result to another type.
1239
1240         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1241
1242         * tree-vect-patterns.c (vect_single_imm_use): New function.
1243         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1244         (vect_recog_over_widening_pattern): Likewise.
1245         (vect_recog_widen_shift_pattern): Likewise.
1246
1247         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1248
1249         PR tree-optimization/52870
1250         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1251         presumed pattern statement is within the same loop or basic block.
1252
1253 2012-05-04  Richard Guenther  <rguenther@suse.de>
1254
1255         * common.opt (flto-report): Do not mark as Optimization.
1256
1257 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1258
1259         PR target/48496
1260         * recog.c (constrain_operands): If extra constraints are present, also
1261         accept pseudo-registers with equivalent memory locations during reload.
1262
1263 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1264
1265         Backport from the mainline
1266         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1267
1268         PR target/53199
1269         * config/rs6000/rs6000.md (bswapdi splitters): If
1270         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1271         default) is used, generate an alternate sequence that does not
1272         depend on using indexed addressing.
1273
1274 2012-05-03  David S. Miller  <davem@davemloft.net>
1275
1276         PR target/52684
1277         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1278         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1279         (sparc_emit_float_lib_cmp): Likewise.
1280
1281 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1282
1283         Backport from mainline
1284         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1285
1286         PR lto/52605
1287         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1288         of a variable when the contect is a function.
1289
1290 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1291
1292         PR plugins/53126
1293         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1294         append program name to it and pass that as first argument
1295         to make_relative_prefix.  Always pass standard_libexec_prefix
1296         as last argument to make_relative_prefix.  If
1297         make_relative_prefix returns NULL, fall back to
1298         standard_libexec_prefix.
1299
1300         PR debug/53174
1301         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1302         removed.
1303
1304         PR target/53187
1305         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1306         mode, return that mode.
1307
1308 2012-05-03  Richard Guenther  <rguenther@suse.de>
1309
1310         PR tree-optimization/53144
1311         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1312         Rename to ...
1313         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1314         with SSA name values.
1315         (vn_reference_lookup_3): Adjust callers.
1316
1317 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1318
1319         PR tree-optimization/53163
1320         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1321         return value from compute_all_dependences.
1322
1323         PR rtl-optimization/53160
1324         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1325         has been modified by ree pass already.
1326
1327 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1328
1329         Backport from mainline
1330         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1331
1332         PR middle-end/53136
1333         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1334         calls to cgraph_node_name in xstrdup.
1335         (ipa_make_edge_direct_to_target): Ditto.
1336         * tree-sra.c (convert_callers_for_node): Ditto.
1337         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1338         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1339         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1340         (cgraph_materialize_all_clones): Ditto.
1341         * ipa-inline.c (report_inline_failed_reason): Ditto.
1342         (want_early_inline_function_p): Ditto.
1343         (edge_badness): Ditto.
1344         (update_edge_key): Ditto.
1345         (flatten_function): Ditto.
1346         (ipa_inline): Ditto.
1347         (inline_always_inline_functions): Ditto.
1348         (early_inline_small_functions): Ditto.
1349
1350 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1351
1352         Backport from mainline
1353         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1354
1355         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1356         Introduce emul_name to select the right linker emulation for
1357         powerpc64-*-freebsd*.
1358         * configure: Regenerate.
1359         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1360         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1361         * config/rs6000/freebsd64.h: New file.
1362         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1363         POWERPC_FREEBSD.
1364         (rs6000_savres_strategy): Likewise.
1365         (rs6000_savres_routine_name): Likewise.
1366         (rs6000_elf_file_end): Likewise.
1367         * config/rs6000/t-freebsd64: New file.
1368         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1369         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1370
1371 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1372
1373         Backport from mainline
1374         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1375
1376         PR target/53138
1377         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1378
1379 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1380
1381         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1382         predicate to discriminate types.
1383
1384 2012-04-27  Richard Guenther  <rguenther@suse.de>
1385
1386         PR c/51527
1387         * convert.c (convert_to_integer): Avoid infinite recursion for
1388         target-defined built-in types.
1389
1390 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1391
1392         PR target/53120
1393         * config/cris/cris.md ("*andhi_lowpart_v32")
1394         ("*andqi_lowpart_v32"): Change first input-only operand from
1395         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1396         const_int-matching constraints for redundancy.
1397         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1398         three-operand alternative.
1399
1400 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1401
1402         Backport from mainline
1403         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1404
1405         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1406         (*addsi_2_zext): Ditto.
1407         (*add<mode>_3): Ditto.
1408         (*addsi_3_zext): Ditto.
1409         (*add<mode>_5): Ditto.
1410
1411 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1412
1413         PR c/52880
1414         * c-typeck.c (set_nonincremental_init,
1415         set_nonincremental_init_from_string): Pass true instead of false
1416         as IMPLICIT to add_pending_init.
1417
1418 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1419
1420         Backport from 2012-04-24 mainline r186768.
1421
1422         PR target/53065
1423         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1424
1425 2012-04-24  Richard Guenther  <rguenther@suse.de>
1426
1427         PR tree-optimization/53085
1428         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1429         stores.
1430
1431 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1432
1433         PR middle-end/53084
1434         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1435         of MEM_REF.
1436         (output_addressed_constants): Likewise.
1437
1438         PR middle-end/52999
1439         * varasm.c (get_section): Don't ICE for section conflicts with
1440         built-in section kinds.
1441
1442 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1443
1444         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1445
1446 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1447
1448         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1449
1450 2012-04-23  Richard Guenther  <rguenther@suse.de>
1451
1452         PR c/53060
1453         * c-typeck.c (build_binary_op): Fix typo.
1454
1455 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1456
1457         PR tree-optimizations/52891
1458         * tree-vect-patterns.c (adjust_bool_pattern): Use
1459         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1460         but with non-standard precision.
1461
1462 2012-04-22  Ian Lance Taylor  <iant@google.com>
1463
1464         * godump.c (go_output_typedef): Dump size of structs.
1465
1466 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1467
1468         Backport from mainline:
1469
1470         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1471         hints for 'A' operand types.
1472
1473 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1474
1475         Backport from 2012-04-19 mainline r186588.
1476
1477         PR target/53033
1478         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1479         the case *(X+const).
1480
1481 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1482
1483         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1484
1485 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1486
1487         PR target/53020
1488         * config/i386/sync.md (atomic_<code><mode>): Rename to
1489         atomic_<logic><mode>.
1490
1491 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1492
1493         Backport from mainline
1494         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1495
1496         PR target/52932
1497         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1498         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1499         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1500         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1501         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1502         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1503         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1504         gen_avx2_permvarv8sf.
1505
1506 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1507
1508         Backported from mainline
1509
1510         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1511         PR middle-end/52939
1512
1513         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1514         fold_ctor_reference returns a zero constant.
1515
1516 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1517
1518         Backported from mainline
1519         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1520
1521         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1522         and __ILP32__ for x32.
1523
1524 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1525
1526         Backport from mainline r186418.
1527
1528         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1529
1530         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1531         parameters vuse and vuse_escaped.
1532         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1533         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1534         vuse1 != vuse2.
1535
1536 2012-04-13  Richard Guenther  <rguenther@suse.de>
1537
1538         PR tree-optimization/52969
1539         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1540         the condition for the COND_EXPR and handle predicate negation
1541         by swapping the COND_EXPR arms.
1542
1543 2012-04-13  Richard Guenther  <rguenther@suse.de>
1544
1545         PR c/52862
1546         * convert.c (convert_to_pointer): Remove special-casing of
1547         zero.
1548
1549 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1550
1551         Backport from mainline
1552         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1553
1554         PR target/52775
1555         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1556         the list of options to enable the FCFID instruction.
1557         (TARGET_EXTRA_BUILTINS): Adjust comment.
1558
1559 2012-04-12  Richard Guenther  <rguenther@suse.de>
1560
1561         PR tree-optimization/52943
1562         * tree-chrec.h (chrec_is_positive): Remove.
1563         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1564         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1565         Return false for a constant zero instead of negative.
1566         (analyze_siv_subscript_cst_affine): Handle zero difference
1567         in the initial condition explicitely.
1568
1569 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1570
1571         PR middle-end/52894
1572         * varasm.c (process_pending_assemble_externals): Set
1573         pending_assemble_externals_processed true.
1574         (assemble_external): Call assemble_external_real if the pending
1575         assemble externals have been processed.
1576
1577 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1578
1579         PR target/52717
1580         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1581         the DECL generated for the special GOT helper.
1582
1583 2012-04-06  Walter Lee  <walt@tilera.com>
1584
1585         Backport from mainline
1586         2012-03-07  Walter Lee  <walt@tilera.com>
1587
1588         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1589         REG_CFA_* notes for the stack pointer.
1590         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1591         EH_RETURN_STACKADJ_RTX.
1592         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1593         generate REG_CFA_* notes for the stack pointer.
1594         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1595         by EH_RETURN_STACKADJ_RTX.
1596
1597 2012-04-06  Matt Turner  <mattst88@gmail.com>
1598
1599         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1600
1601 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1602
1603         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1604         of the destination isn't also a FP_REGS register.
1605
1606 2012-04-03  Richard Guenther  <rguenther@suse.de>
1607
1608         Backport from mainline
1609         2012-03-02  Richard Guenther  <rguenther@suse.de>
1610
1611         PR tree-optimization/52406
1612         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1613         (struct indices): Add unconstrained_base member.
1614         (struct dr_alias): Remove unused vops member.
1615         (DR_UNCONSTRAINED_BASE): New define.
1616         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1617         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1618         be an artificial access that covers the whole indexed object,
1619         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1620         plain decl base-objects to their MEM_REF variant.
1621         (dr_may_alias_p): When the base-object of either data reference
1622         has unknown size use only points-to information.
1623         (compute_affine_dependence): Make dumps easier to read and
1624         more verbose.
1625         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1626         DR_REF when looking for packed references.
1627         (vect_supportable_dr_alignment): Likewise.
1628
1629 2012-04-03  Richard Guenther  <rguenther@suse.de>
1630
1631         Backport from mainline
1632         2012-03-15  Richard Guenther  <rguenther@suse.de>
1633
1634         PR middle-end/52580
1635         * tree-data-ref.c (subscript_dependence_tester_1): Check
1636         all dimensions for non-conflicting access functions.
1637
1638 2012-04-03  Richard Guenther  <rguenther@suse.de>
1639
1640         Backport from mainline
1641         2012-03-06  Richard Guenther  <rguenther@suse.de>
1642
1643         PR middle-end/52493
1644         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1645
1646         2012-03-23  Richard Guenther  <rguenther@suse.de>
1647
1648         PR tree-optimization/52678
1649         * tree-vectorizer.h (struct _stmt_vec_info): Add
1650         loop_phi_evolution_part member.
1651         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1652         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1653         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1654         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1655         Use the cached evolution part and the PHI nodes value from
1656         the loop preheader edge instead of re-analyzing the evolution.
1657
1658         2012-03-26  Richard Guenther  <rguenther@suse.de>
1659
1660         PR tree-optimization/52701
1661         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1662         compute and set the evolution part of PHI nodes.
1663
1664         2012-03-30  Richard Guenther  <rguenther@suse.de>
1665
1666         PR tree-optimization/52754
1667         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1668         propagate arbitrary addresses into really plain dereferences.
1669
1670 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1671
1672         PR tree-optimization/52835
1673         * tree-data-ref.c (build_rdg): Return NULL if
1674         compute_data_dependences_for_loop failed.
1675
1676 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1677
1678         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1679         (stmt_can_make_abnormal_goto): Use it.
1680         (is_ctrl_altering_stmt): Likewise.
1681
1682 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1683
1684         Backported from mainline
1685         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1686
1687         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1688         is a builtin_stack_save in a dominating BB.
1689
1690 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1691
1692         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1693         crossing 128bit lane boundary.
1694
1695 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1696
1697         Backported from mainline
1698         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1699
1700         PR target/52698
1701         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1702         New prototype.
1703         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1704         * config/i386/i386.c: Include reload.h.
1705         (ix86_legitimize_reload_address): New function.
1706
1707 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1708
1709         Backported from mainline
1710         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1711
1712         PR middle-end/52693
1713         * tree-sra.c (sra_modify_assign): Do not call
1714         load_assign_lhs_subreplacements when working with an unscalarizable
1715         region.
1716
1717 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1718
1719         PR middle-end/52691
1720         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1721         __builtin_va_start to __builtin_next_arg if the latter is
1722         builtin_decl_explicit_p rather than when it is not.
1723
1724         PR middle-end/52750
1725         * tree-vect-generic.c (vector_element): Perform multiplication
1726         for pos in bitsizetype type instead of idx type.
1727
1728 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1729
1730         Backport from 2012-03-28 mainline r185910.
1731
1732         PR target/52692
1733         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1734         (avr_builtin_decl): New static function.
1735         (struct avr_builtin_description, avr_bdesc): Move up.
1736         Add GTY marker. Add field fndecl. Remove redundant field id.
1737         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1738         (avr_expand_builtin): Code cleanup because .id is removed.
1739
1740 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1741
1742         PR middle-end/51893
1743         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1744         targets.
1745
1746 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1747
1748         Backport from 2012-03-28 mainline r185907.
1749
1750         PR target/52737
1751         * config.gcc (tm_file): Remove avr/multilib.h.
1752
1753         * doc/invoke.texi (AVR Options): Adjust
1754         documentation of -mtiny-stack.
1755
1756         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1757         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1758         * config/avr/t-avr: Remove generation of multilib.h.
1759         * config/avr/t-multilib: Regenerate.
1760         * config/avr/multilib.h: Remove.
1761         * config/avr/avr.opt (-msp8): New option.
1762         (avr_sp8): New variable.
1763         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1764         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1765         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1766         (avr_device_to_sp8): New prototype.
1767         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1768         (DRIVER_SELF_SPECS): New define.
1769         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1770         __AVR_SP8__, __AVR_HAVE_SPH__.
1771         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1772         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1773         (avr_file_start): Ditto.
1774
1775 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1776
1777         PR target/52736
1778         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1779         instead of 8 in adjust_address.
1780
1781 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1782
1783         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1784         of a unit before computing the offset in units.
1785
1786 2012-03-27  Richard Guenther  <rguenther@suse.de>
1787
1788         PR middle-end/52720
1789         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1790         explicitely.
1791
1792 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1793
1794         PR target/52610
1795         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1796
1797 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1798
1799         PR middle-end/52640
1800         * varasm.c: Include pointer-set.h.
1801         (pending_assemble_externals_set): New pointer set.
1802         (process_pending_assemble_externals): Destroy the pointer set.
1803         (assemble_external): See if decl is in pending_assemble_externals_set,
1804         and add it to pending_assemble_externals if necessary.
1805         (init_varasm_once): Allocate pending_assemble_externals_set.
1806
1807 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1808
1809         Backported from mainline
1810         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1811
1812         PR target/50310
1813         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1814         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1815         (vector_ltgt<mode>): Likewise.
1816         (vector_ordered<mode>): Likewise.
1817         (vector_unordered<mode>): Likewise.
1818         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1819
1820 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1821
1822         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1823         Make static.
1824
1825 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1826
1827         Backported from mainline
1828         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1829
1830         PR target/48596
1831         PR target/48806
1832         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1833         GENERAL_REGS and FP_REGS for SImode.
1834
1835 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1836
1837         PR middle-end/52547
1838         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1839         on any new_local_var_chain vars declared during recursing on
1840         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1841
1842 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1843
1844         Backport from 2012-03-22 mainline r185692.
1845
1846         PR target/52496
1847         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1848         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1849         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1850         (delay_cycles_1, delay_cycles_2): Ditto.
1851         (delay_cycles_3, delay_cycles_4): Ditto.
1852         (nopv, *nopv): Ditto.
1853         (sleep, *sleep): Ditto.
1854         (wdr, *wdr): Ditto.
1855
1856         Backport from 2012-03-21 mainline r185605.
1857
1858         PR rtl-optimization/52543
1859         PR target/52461
1860         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1861         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1862         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1863         (avr_load_libgcc_p): Restrict to __flash loads.
1864         (avr_out_lpm): Only handle 1-byte loads from __flash.
1865         (avr_load_lpm): New function.
1866         (avr_find_unused_d_reg): Remove.
1867         (avr_out_lpm_no_lpmx): Remove.
1868         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1869         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1870         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1871         (load_<mode>, load_<mode>_clobber): New insns.
1872         (mov<mode>): For multi-byte move from non-generic
1873         16-bit address spaces: Expand to load_<mode> resp.
1874         load_<mode>_clobber.
1875         (load<mode>_libgcc): Remove expander.
1876         (split-lpmx): Remove split.
1877
1878         Backport from 2012-03-13 mainline r185329.
1879
1880         PR target/52488
1881         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1882         offset (size) to a value the insns can deal with.
1883         (expand_epilogue): Ditto.
1884
1885         Backport from 2012-03-12 mainline r185256.
1886
1887         PR target/52499
1888         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1889         type from reg_class_t to enum reg_class.
1890         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1891
1892         Backport from 2012-03-12 mainline r185253.
1893
1894         PR target/52148
1895         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1896         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1897         r184615 from 2012-02-28.
1898
1899         Backport from 2012-03-08 mainline r185105.
1900
1901         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1902         for constants in [-63,63].
1903
1904         Backport from 2012-03-08 mainline r185100.
1905
1906         PR target/52496
1907         * config/avr/avr.c (avr_mem_clobber): New static function.
1908         (avr_expand_delay_cycles): Add memory clobber operand to
1909         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1910         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1911         (enable_interrupt, disable_interrupt): New expander.
1912         (nopv, sleep, wdr): New expanders.
1913         (delay_cycles_1): Add memory clobber.
1914         (delay_cycles_2): Add memory clobber.
1915         (delay_cycles_3): Add memory clobber.
1916         (delay_cycles_4): Add memory clobber.
1917         (cli_sei): New insn from former "enable_interrupt",
1918         "disable_interrupt" with memory clobber.
1919         (*wdt): New insn from former "wdt" with memory clobber.
1920         (*nopv): Similar, but for "nopv".
1921         (*sleep): Similar, but for "sleep".
1922
1923         Backport from 2012-03-07 mainline r185043.
1924
1925         PR target/52484
1926         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1927
1928         Backport from 2012-03-07 mainline r185032.
1929
1930         PR target/52506
1931         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1932         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1933         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1934
1935         Backport from 2012-03-07 mainline r185031.
1936
1937         PR target/52505
1938         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1939         from RAM.
1940         * config/avr/avr.md (xload_8): Adjust insn length.
1941
1942         Backport from 2012-03-07 mainline r185030.
1943
1944         PR target/52461
1945         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1946         if RAMPZ affects reading from RAM.
1947
1948         Backport from 2012-03-05 mainline r184919.
1949
1950         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1951
1952 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1953
1954         Backport from mainline r185259.
1955
1956         PR other/52545
1957         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1958         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1959
1960 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1961
1962         Backported from mainline
1963         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1964
1965         PR c/52577
1966         * c-parser.c (c_parser_postfix_expression)
1967         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1968
1969         * config/i386/smmintrin.h: Avoid /* within a comment.
1970         * config/i386/nmmintrin.h: Likewise.
1971
1972 2012-03-22  Richard Guenther  <rguenther@suse.de>
1973
1974         * BASE-VER: Set to 4.7.1.
1975         * DEV-PHASE: Set to prerelease.
1976
1977 2012-03-22  Release Manager
1978
1979         * GCC 4.7.0 released.
1980
1981 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1982
1983         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1984
1985 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1986             Andrew Pinski  <apinski@cavium.com>
1987
1988         PR middle-end/52592
1989         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1990         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1991         calls instead of __builtin_ir{int,ound}*.
1992
1993 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1994
1995         PR c++/52582
1996         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1997         if c_node is NULL.
1998
1999 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2000
2001         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2002         Refer to GCC 4.7 version of c99status.html.
2003
2004 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2005
2006         Backport from mainline
2007         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2008
2009         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2010         redefine to be NULL if the current bit-size is different from the
2011         configured bit-size.
2012
2013         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2014         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2015         set the default tuning.  Add asserts to make sure the cpu and tune
2016         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2017         test whether the index is set, instead of > 0.
2018         (rs6000_file_start): Do not reset the default cpu if the current
2019         bit-size is different from the configured bit-size.
2020
2021 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2022
2023         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2024         binutils reference.
2025         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2026         Update binutils references.
2027         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2028         Update binutils reference.
2029         Update Sun as/GNU ld caveat.
2030         Document binutils largefile requirement for LTO plugin.
2031         Remove reference to alternate libpthread.
2032
2033 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2034
2035         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2036         reference.
2037         (Specific, mips-sgi-irix6): Likewise.
2038
2039 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2040
2041         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2042         * configure: Regenerate.
2043
2044 2012-03-07  Richard Henderson  <rth@redhat.com>
2045
2046         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2047         * config/m68k/sync.md (atomic_test_and_set): Use it.
2048         (atomic_test_and_set_1): Likewise.
2049
2050 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
2051
2052         PR target/51417
2053         * Makefile.in: Let install-gcc-ar depend on installdirs,
2054         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2055         Don't double canonicalize if cross-compiling.
2056
2057 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2058
2059         * trans-mem.c: New typedef for tm_region_p.
2060         Define vector types for tm_region_p.
2061         (tm_region_init): Replace region_worklist to a vector called
2062         bb_regions.
2063
2064 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2065
2066         PR middle-end/52463
2067         * trans-mem.c (tm_region_init): Use last_basic_block.
2068
2069 2012-03-05  Richard Henderson  <rth@redhat.com>
2070
2071         PR tree-opt/52242
2072         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2073         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2074         BIGGEST_ALIGNMENT is aligned.
2075
2076 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2077
2078         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2079
2080 2012-03-05  Richard Henderson  <rth@redhat.com>
2081
2082         PR target/52481
2083         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2084         instead of calling negqi2 directly.
2085
2086 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2087
2088         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2089         (INTMAX_TYPE): Use it.
2090         (UINTMAX_TYPE): Likewise.
2091         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2092         (irix6_c_common_override_options): Declare.
2093         (C_COMMON_OVERRIDE_OPTIONS): Define.
2094         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2095         * config/mips/irix6-c.c: New file.
2096         * config/mips/t-irix6 (irix6-c.o): New target.
2097         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2098         cxx_target_objs.
2099
2100 2012-03-02  Richard Henderson  <rth@redhat.com>
2101
2102         * optabs.c (expand_atomic_test_and_set): Honor
2103         atomic_test_and_set_trueval even when atomic_test_and_set
2104         optab is not in use.
2105
2106 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2107
2108         Backport from mainline
2109         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2110
2111         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2112
2113 2012-03-02  Richard Guenther  <rguenther@suse.de>
2114
2115         * DEV-PHASE: Set to prerelease.
2116
2117 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2118
2119         * config.gcc (obsolete): Add all ARM targets using the FPA.
2120         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2121         * doc/install.texi: Avoid references to obsolete ARM ports.
2122
2123 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2124
2125         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2126
2127 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2128             Joern Rennecke  <joern.rennecke@embecosm.com>
2129
2130         * doc/extend.texi: Expand and update information on interrupt
2131         attribute for Epiphany.
2132
2133 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2134
2135         * config/sh/sh-protos.h: Update copyright notice dates.
2136         * config/sh/sh.h: Likewise.
2137         * config/sh/sh.md: Likewise.
2138         * config/sh/constraints.md: Likewise.
2139         * config/sh/predicates.md: Likewise.
2140
2141 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2142
2143         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2144         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2145
2146 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2147
2148         * config/sh/constraints.md: Fix comment typo.
2149
2150 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2151
2152         PR target/52408
2153         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2154         unsigned HOST_WIDE_INT.
2155         (zvdep_imm64): Likewise.
2156         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2157         (vdepi_and): Likewise.
2158         Likewise for unamed 64-bit patterns.
2159         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2160
2161 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2162
2163         PR debug/52001
2164         PR rtl-optimization/52417
2165         * cselib.c (cselib_any_perm_equivs): New variable.
2166         (cselib_reset_table): Check that it's not set when not
2167         preserving constants.
2168         (cselib_add_permanent_equiv): Set it.
2169         (cselib_have_permanent_equivalences): New.
2170         (cselib_init, cselib_finish): Reset it.
2171         * cselib.h (cselib_have_permanent_equivalences): Declare.
2172         * alias.c (get_addr): Restore earlier behavior when there
2173         aren't permanent equivalences.
2174
2175 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2176
2177         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2178         * config/v850/v850-modes.def: Fix copyright notice.
2179
2180 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2181
2182         * doc/extend.texi (AVR Built-in Functions): Document
2183         __builtin_avr_flash_segment.
2184
2185         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2186         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2187         (*split.flash_segment): New insn-and-split.
2188         * config/avr/avr.c (avr_init_builtins): Add local variables:
2189         const_memx_void_node, const_memx_ptr_type_node,
2190         char_ftype_const_memx_ptr.
2191
2192 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2193
2194         PR tree-optimization/52445
2195         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2196         add ssa_name_ver, offset and size fields and change store field
2197         to bool.
2198         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2199         (add_or_mark_expr): Likewise.  Only consider previous stores
2200         with the same size and offset.
2201         (nt_init_block): Only look at gimple_assign_single_p stmts,
2202         doesn't look at rhs2.
2203
2204 2012-03-01  Richard Guenther  <rguenther@suse.de>
2205
2206         PR middle-end/52443
2207         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2208         conversions from integral types to pointer types.
2209
2210 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2211
2212         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2213         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2214         unintentionally removed in r184616.
2215
2216 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2217
2218         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2219         3DNow from bdver1.
2220
2221 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2222             Uros Bizjak  <ubizjak@gmail.com>
2223
2224         PR target/52437
2225         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2226         alternatives, add "e" constraint to the new last alternative
2227         and ! to last 3 alternatives.
2228
2229 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2230
2231         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2232         DW_AT_artificial attributes at the end of the processing.
2233         (gen_array_type_die): Likewise.
2234         (gen_enumeration_type_die): Likewise.
2235         (gen_struct_or_union_type_die): Likewise.
2236         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2237         the parent type.
2238
2239 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2240
2241         PR middle-end/52419
2242         * expr.c (expand_assignment): If doing misaligned store that doesn't
2243         cover all mode bits, perform a RMW cycle.
2244
2245         PR tree-optimization/52429
2246         * tree-parloops.c (separate_decls_in_region_debug): Return early
2247         if var is LABEL_DECL.
2248
2249 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2250
2251         PR tree-optimization/52424
2252         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2253         calling dom_thread_across_edge.
2254
2255 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2256
2257         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2258
2259 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2260
2261         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2262         * config/avr/avr.c (avr_output_bld): Remove unused function.
2263         (avr_out_sbxx_branch): Use "%T" to print bit position.
2264
2265 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2266
2267         * config/avr/avr.md: Untabify.
2268
2269 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2270
2271         * config/avr/avr.md (eqne): New code iterator.
2272         (*dec-and-branchsi): Use it in text peephole's condition.
2273         (*dec-and-branchhi): Ditto.
2274         (*dec-and-branchqi): Ditto.
2275
2276 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2277
2278         PR target/49939
2279         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2280         the device does not have the skip-bug.
2281
2282 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2283
2284         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2285         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2286         -mpretend-cmove): New.
2287
2288 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2289
2290         PR bootstrap/52397
2291         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2292         doesn't count DEBUG_INSN refs.
2293         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2294         for DEBUG_INSN refs.
2295
2296 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2297
2298         Partially revert:
2299
2300         2012-02-20  Richard Guenther  <rguenther@suse.de>
2301         PR tree-optimization/52298
2302         * tree-vect-stmts.c (vectorizable_load): Properly use
2303         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2304         outer loops.
2305
2306 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2307
2308         PR middle-end/51752
2309         * gimple.h (gimple_in_transaction): New.
2310         (gimple_set_in_transaction): New.
2311         (struct gimple_statement_base): Add in_transaction field.
2312         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2313         transaction loads.
2314         (tree_ssa_lim_initialize): Compute transaction bits.
2315         * tree.h (compute_transaction_bits): Protoize.
2316         * trans-mem.c (tm_region_init): Use the heap to store BB
2317         auxilliary data.
2318         (compute_transaction_bits): New.
2319
2320 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2321
2322         * gcc.c (display_help): Document --help=common and sort entries
2323         alphabetically.
2324
2325 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2326
2327         * doc/install.texi: Document check-$LANG specific shortcuts
2328
2329 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2330
2331         PR target/51534
2332         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2333         and vcgtu.
2334         * config/arm/arm_neon.h: Regenerate.
2335         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2336         (neon_vcgeu): New insn.
2337         (neon_vcgtu): Likewise.
2338         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2339         (ops): Unsigned comparison intrinsics call a different
2340         builtin.
2341
2342 2012-02-28  Richard Guenther  <rguenther@suse.de>
2343
2344         PR target/52407
2345         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2346         ordering for the VEC_CONCAT for two element vectors for
2347         V2SFmode, V2SImode and V2DImode.
2348
2349 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2350
2351         PR target/49448
2352         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2353         detecting big-endian triplets.
2354
2355 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2356
2357         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2358         mode if there is no type information available.
2359
2360 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2361
2362         PR tree-optimization/53207
2363         * doc/invoke.texi: Document as experimental and relying on graphite.
2364
2365 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2366
2367         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2368         of initializer to changes from r184614.
2369
2370 2012-02-28  Richard Guenther  <rguenther@suse.de>
2371
2372         PR tree-optimization/52395
2373         * tree-sra.c (build_ref_for_offset): Also look at the base
2374         TYPE_ALIGN when figuring out the alignment of the replacement.
2375
2376 2012-02-28  Richard Guenther  <rguenther@suse.de>
2377
2378         PR tree-optimization/52402
2379         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2380         mis-aligned types when creating the accesses at the call site.
2381
2382 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2383
2384         * config/avr/builtins.def: New file.
2385         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2386         * config/avr/avr.c (enum avr_builtin_id): Use it.
2387         (avr_init_builtins): Use it. And use avr_bdesc.
2388         (bdesc_1arg): Remove.
2389         (bdesc_2arg): Remove.
2390         (bdesc_3arg): Remove.
2391         (struct avr_builtin_description): Add field n_args.
2392         (avr_bdesc): New static variable using builtins.def.
2393         (avr_expand_builtin): Use it.
2394         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2395         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2396         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2397
2398 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2399
2400         PR target/52148
2401         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2402         match only one single hard register with respective hard reg rtx.
2403         (movmemx_<mode>): Ditto.
2404         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2405         insn anatomy of movmem[x]_<mode>.
2406         (avr_out_movmem): Same for printing assembler and operand usage.
2407
2408 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2409
2410         PR target/49868
2411         PR target/52261
2412         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2413         address spaces located outside of device flash.
2414
2415         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2416         (mcu_type_s): Add field n_flash.
2417         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2418         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2419         (AVR_MCU): Add N_FLASH argument.
2420         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2421         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2422         macro __FLASH<n> if that address space makes sense for the device.
2423         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2424         outside of target flash.
2425         (avr_asm_named_section): Ditto.
2426         (avr_asm_select_section): Ditto.
2427         (avr_addr_space_convert): Ditto.
2428         (avr_emit_movmemhi): Ditto.
2429         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2430         address space is outside of device flash.
2431         (avr_insert_attributes): Ditto.
2432         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2433         avr_current_arch->n_segments.
2434
2435 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2436
2437         PR target/52352
2438         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2439         TARGET_LP64.
2440         (*movabs<mode>_2): Likewise.
2441
2442 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2443
2444         PR target/52375
2445         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2446         s_register_operand in the test instead of REG_P.  Don't call
2447         gen_reg_rtx if it won't be used.
2448
2449         PR tree-optimization/52376
2450         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2451
2452 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2453
2454         * ifcvt.c (noce_get_condition): Check condition variable is not
2455         small_register_classes_for_mode_p before accepting.
2456
2457 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2458
2459         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2460
2461 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2462
2463         Revert:
2464         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2465         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2466         tuning parameters.
2467         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2468
2469 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2470
2471         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2472
2473 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2474
2475         * config/sh/predicates.md: Remove blank lines.
2476         * config/sh/sh.c: Fix typos in comments.
2477         * config/sh/constraints.md: Likewise.
2478         * config/sh/sh.md: Remove blank lines.
2479         Fix typos in comments.  Use ;; as comment characters.
2480
2481 2012-02-26  Walter Lee  <walt@tilera.com>
2482
2483         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2484         (replace_mov_pcrel_step2): Ditto.
2485
2486 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2487
2488         PR debug/52001
2489         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2490         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2491         and locs that reference values newer than the non-canonical value
2492         at hand.  Return the canonical value as a worst case.
2493         (memrefs_conflict_p): Walk canonical value's locs.
2494
2495         PR debug/52001
2496         * cselib.c (preserve_only_constants): Rename to...
2497         (preserve_constants_and_equivs): ... this.  Split out...
2498         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2499         of other preserved expressions too.
2500         (cselib_reset_table): Adjust.
2501         * var-tracking.c (reverse_op): Use canonical value to build
2502         reverse operation.
2503
2504 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2505
2506         * config/i386/i386.c (ix86_delegitimize_address): Handle
2507         UNSPEC_PCREL plus displacement.
2508
2509 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2510
2511         PR target/52261
2512         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2513         to test for unusedness in st X addressing.
2514
2515 2012-02-24  Richard Guenther  <rguenther@suse.de>
2516
2517         PR middle-end/52361
2518         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2519         (is_gimple_reg_type): Move inline ...
2520         * gimple.h (is_gimple_reg_type): ... here.
2521
2522 2012-02-24  Richard Guenther  <rguenther@suse.de>
2523
2524         PR middle-end/52361
2525         * passes.c (execute_function_todo): When verifying SSA form
2526         verify gimple form first.
2527         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2528
2529 2012-02-24  Richard Guenther  <rguenther@suse.de>
2530
2531         PR middle-end/52355
2532         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2533         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2534
2535 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2536
2537         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2538
2539 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2540
2541         * tree-phinodes.c (make_phi_node): Mark static.
2542         * tree-flow.h (make_phi_node): Remove extern decl.
2543         * doc/gimple.texi (make_phi_node): Remove documentation.
2544
2545 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2546
2547         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2548         * tree-ssa-sccvn.c (print_scc): Ditto.
2549
2550 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2551
2552         * doc/passes.texi (Full redundancy elimination): Fix typo.
2553
2554 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2555
2556         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2557
2558 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2559
2560         PR bootstrap/52287
2561         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2562
2563 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2564
2565         PR c/52290
2566         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2567
2568 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2569
2570         * config/avr/avr.md (code_stdname): Add ior, xor.
2571         (xior): New code iterator.
2572         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2573         (*<code_stdname><mode>qi.byte1-3): Ditto.
2574
2575 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2576
2577         PR tree-optimization/52019
2578         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2579         CLOBBER stmts.
2580
2581 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2582
2583         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2584         HAVE_INITFINI_ARRAY to work around namespace pollution in
2585         certain versions of newlib system headers.
2586         * config.in: Regenerate.
2587         * configure: Regenerate.
2588         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2589         instead of HAVE_INITFINI_ARRAY.
2590
2591 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2592
2593         PR target/52330
2594         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2595         is not offsettable memory reference.
2596
2597 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2598
2599         PR target/18145
2600         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2601         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2602
2603 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2604
2605         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2606         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2607
2608 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2609
2610         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2611         library on Solaris 8 even without TLS support.
2612         * configure: Regenerate.
2613
2614 2012-02-22  Richard Guenther  <rguenther@suse.de>
2615
2616         PR middle-end/52329
2617         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2618         for GIMPLE_DEBUG stmts.
2619
2620 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2621
2622         PR middle-end/51782
2623         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2624         according to the base object.
2625
2626 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2627
2628         PR rtl-optimization/50063
2629         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2630         and 2 (8-bit SP) in operand 2.
2631         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2632         setup to use movhi_sp_r instead of vanilla move to write SP.
2633         Adjust REG_CFA notes to superseed unspec.
2634         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2635         of vanilla move.
2636         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2637         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2638         irq_state 1 (IRQ known to be on) here.
2639
2640 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2641
2642         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2643         WORDS_BIG_ENDIAN.
2644         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2645         assign_hard_reg): Likewise.
2646
2647 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2648
2649         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2650
2651 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2652
2653         * config/avr/avr.md
2654         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2655         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2656
2657 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2658
2659         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2660         prototype from here to...
2661         * config/avr/avr.h: ...here.
2662
2663 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2664
2665         PR target/52294
2666         * thumb2.md (thumb2_shiftsi3_short): Split register and
2667         immediate shifts.  For register shifts tie operands 0 and 1.
2668         (peephole2 for above): Check that register-controlled shifts
2669         have suitably tied operands.
2670
2671 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2672
2673         PR target/52137
2674         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2675         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2676         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2677         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2678         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2679         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2680         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2681         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2682         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2683         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2684         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2685         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2686         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2687         bdver1_ssevector_avx256_unaligned_load,
2688         bdver1_ssevector_sse128_unaligned_load,
2689         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2690         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2691         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2692         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2693         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2694         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2695         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2696         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2697         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2698         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2699         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2700         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2701         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2702         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2703         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2704         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2705         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2706         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2707         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2708         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2709         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2710         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2711         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2712         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2713         bdver1_ssediv_double_load, bdver1_ssediv_double,
2714         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2715         Add "bdver2" attribute.
2716
2717 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2718
2719         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2720         default if possible and not specified otherwise.
2721
2722 2012-02-21  Richard Guenther  <rguenther@suse.de>
2723
2724         PR middle-end/52314
2725         * gimplify.c (create_tmp_from_val): Use the main variant type
2726         for the type of the temporary we create.
2727
2728 2012-02-21  Richard Guenther  <rguenther@suse.de>
2729
2730         PR tree-optimization/52324
2731         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2732         do not gimplify a MEM_REF address operand if it is already
2733         in suitable form.
2734
2735 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2736
2737         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2738         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2739
2740 2012-02-21  Richard Guenther  <rguenther@suse.de>
2741
2742         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2743         nested_in_vect_loop.
2744
2745 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2746
2747         PR tree-optimization/52318
2748         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2749         vdef also to non-pure/const call stmts in the sequence.
2750
2751 2012-02-20  David S. Miller  <davem@davemloft.net>
2752
2753         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2754         don't use the "rd %pc" instruction on v9 for PIC register loads.
2755
2756 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2757
2758         PR middle-end/52141
2759         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2760         in a transaction safe function.
2761
2762 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2763
2764         PR target/52238
2765         * stor-layout.c (place_field): Handle desired_align for
2766         ms-bitfields, too.
2767
2768 2012-02-20  Richard Guenther  <rguenther@suse.de>
2769
2770         PR tree-optimization/52298
2771         * tree-vect-stmts.c (vectorizable_store): Properly use
2772         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2773         outer loops.
2774         (vectorizable_load): Likewise.
2775         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2776         Access DR_STEP after ensuring it is not NULL.
2777
2778 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2779
2780         PR tree-optimization/52286
2781         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2782         optimization use double_int_to_tree instead of build_int_cst_wide,
2783         rewrite to use double_int vars.
2784
2785 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2786
2787         PR target/50166
2788         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2789         Define _start.
2790         Remove -e 0 from $gcc_cv_ld invocation.
2791         Only use __GLIBC_PREREQ if defined.
2792         Enable on Solaris since Solaris 8 patch.
2793         (gcc_SUN_LD_VERSION): New macro.
2794         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2795         gcc_SUN_LD_VERSION for version number format.
2796         * configure: Regenerate.
2797         * varasm.c (get_elf_initfini_array_priority_section): Set
2798         SECTION_NOTYPE for non-default priority.
2799         Use get_section instead of get_unnamed_section to emit
2800         .init_array/.fini_array with default priority.
2801
2802 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2803
2804         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2805         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2806         (mips_start_unique_function, mips_output_mips16_rdhwr)
2807         (mips_code_end): New functions.
2808         (TARGET_ASM_CODE_END): Define.
2809
2810 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2811
2812         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2813         to stubs with non-sibling calls.
2814
2815 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2816
2817         * doc/invoke.texi (-fira-* options): Copy-edit.
2818         (ira-* parameters): Copy-edit.
2819
2820 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2821
2822         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2823         GCC coding conventions.
2824
2825 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2826
2827         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2828         when used as adjectives.
2829
2830 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2831
2832         * doc/invoke.texi: Clean up "that"/"which" confusion.
2833
2834 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2835
2836         * system.h: Poison SMALL_REGISTER_CLASSES
2837         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2838         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2839
2840 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2841
2842         PR tree-optimization/52285
2843         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2844         when deciding if a call is a tail call or tail recursion.
2845
2846 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2847
2848         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2849         interger-constant displacement for UNSPEC_PCREL.
2850
2851 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2852
2853         PR rtl-optimization/52208
2854         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2855         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2856
2857         PR tree-optimization/52255
2858         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2859         loop->header has virtual PHI, but exit_e->dest doesn't, add
2860         virtual PHI to exit_e->dest and adjust all uses after the loop.
2861
2862         PR debug/52260
2863         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2864         children with clone_tree_hash, not after it.
2865
2866 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2867
2868         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2869         extended identifiers.
2870
2871 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2872
2873         PR middle-end/51929
2874         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2875         a same_body_alias, also test whether e->callee isn't a former
2876         or current clone of the decl this is a same body alias of.
2877
2878         PR translation/52264
2879         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2880
2881 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2882
2883         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2884
2885 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2886
2887         PR target/52199
2888         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2889         force_reg instead of copy_to_reg for better optimization.  Force
2890         non-register or memory operands into a register.
2891
2892 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2893
2894         * extend.texi: Reserve upper bits of memory model for future use.
2895
2896 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2897             Anatoly Sokolov <aesok@post.ru>
2898             Eric Weddington <eric.weddington@atmel.com>
2899
2900         PR target/52261
2901         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2902         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2903         Rewrite initializers for .macro.
2904         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2905         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2906         atxmega32d4, atxmega32x1.
2907         avrxmega4: atxmega64a3, atxmega64d3.
2908         avrxmega5: atxmega64a1, atxmega64a1u.
2909         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2910         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2911         avrxmega7: atxmega128a1, atxmega128a1u.
2912         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2913         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2914         (struct base_arch_s): Rename reserved to xmega_p.
2915         Rename reserved2 to have_rampd.
2916         (AVR_XMEGA): New define.
2917         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2918         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2919         * config/avr/predicates.md (io_address_operand): Take into
2920         account SFR offset.
2921         (low_io_address_operand): Ditto.
2922         (high_io_address_operand): Ditto.
2923         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2924         (enabled, movhi_sp_r): Use them.
2925         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2926         cpp_define_formatted to built-in define __AVR_ARCH__.
2927         (__AVR_XMEGA__): New built-in define.
2928         (__AVR_HAVE_RAMPD__): New built-in define.
2929         (__AVR_HAVE_RAMPX__): New built-in define.
2930         (__AVR_HAVE_RAMPY__): New built-in define.
2931         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2932
2933         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2934         (avr_option_override): Initialize them.
2935         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2936         (avr_init_expanders): Initialize them. No more block several calls.
2937         (emit_push_sfr): New static function.
2938         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2939         Handle AVR_XMEGA.
2940         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2941         (avr_print_operand): Print addreeses as symbols for
2942         RAMPX, RAMPY, RAMPD, CCP.
2943         (output_movhi): Handle AVR_XMEGA when writing to SP.
2944         (avr_out_movhi_mr_r_xmega): New static function.
2945         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2946         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2947         __RAMPD__,  __CCP__ as needed.
2948
2949         * config/avr/multilib.h: Regenerate.
2950         * config/avr/t-multilib: Regenerate.
2951         * config/avr/avr-tables.opt: Regenerate.
2952
2953 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2954
2955         PR tree-optimization/50561
2956         * graphite-flattening.c (lst_project_loop): Do not
2957         remove old scattering dimensions after flattening.
2958         (lst_do_flatten): Likewise.
2959
2960 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2961
2962         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2963         __builtin_avr_map8, __builtin_avr_map16.
2964         Document __builtin_avr_insert_bits.
2965
2966         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2967         (insert_bits): New insn.
2968         (adjust_len.map_bits): Rename to insert_bits.
2969         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2970         * avr-protos.h (avr_out_map_bits): Remove.
2971         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2972         * config/avr/constraints.md (Cxf,C0f): New.
2973         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2974         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2975         New built-in define __BUILTIN_AVR_INSERT_BITS.
2976         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2977         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2978         (avr_move_bits): Rewrite.
2979         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2980         functions.
2981         (avr_map_op_t): New typedef.
2982         (avr_map_op): New static variable.
2983         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2984         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2985         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2986         (bdesc_3arg, avr_expand_triop_builtin): New.
2987         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2988         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2989         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2990         (avr_map_equal_p, avr_map_sig_p): Remove.
2991         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2992         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2993         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2994         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2995         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2996         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2997
2998 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2999
3000         * config/c6x/c6x.md (reserve_cycles): New attribute.
3001         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3002         don't reserve functional units after the branch occurs.
3003
3004 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
3005
3006         PR middle-end/52142
3007         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3008         functions into non-tm_pure functions.
3009
3010 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3011
3012         PR lto/52178
3013         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3014         (iterative_hash_canonical_type): Likewise.
3015         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3016         the dead edges.
3017
3018 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3019
3020         * haifa-sched.c (prune_ready_list): Ensure that if there is a
3021         sched-group insn, it either remains alone or the entire list is pruned.
3022
3023 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3024
3025         * doc/install.texi (Prerequisites): Fix grammar.
3026         (Configuration): Likewise.
3027
3028 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3029
3030         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3031         MPC as part of GCC before describing configuring with --with-gmp etc.
3032         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3033         sources are present.
3034
3035 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3036
3037         PR debug/51950
3038         * dwarf2out.c (clone_tree_hash): New function.
3039         (copy_decls_walk): Use it instead of clone_tree.
3040
3041 2012-02-14  Richard Guenther  <rguenther@suse.de>
3042
3043         PR tree-optimization/52244
3044         PR tree-optimization/51528
3045         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3046         replacements for integral types.
3047
3048 2012-02-14  Walter Lee  <walt@tilera.com>
3049
3050         * config.gcc: Handle tilegx and tilepro.
3051         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3052         tilegx and tilepro.
3053         Add HAVE_AS_TLS check for tilegx and tilepro.
3054         * configure: Regenerate.
3055         * doc/contrib.texi: Add Mat Hostetter and self.
3056         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3057         Document instruction intrinsics and network accessing intrinsics.
3058         (TILEPro Built-in Functions): New node.  Document instruction
3059         intrinsics and network accessing intrinsics.
3060         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3061         (Specific, tilepro-*-linux*): Likewise.
3062         * doc/invoke.texi (TILE-Gx Options): New section.
3063         (TILEPro Options): New section.
3064         * doc/md.texi (TILE-Gx): New section.
3065         (TILEPro): New section.
3066         * common/config/tilegx/tilegx-common.c: New file.
3067         * common/config/tilepro/tilepro-common.c: New file.
3068         * config/tilegx/constraints.md: New file.
3069         * config/tilegx/linux.h: New file.
3070         * config/tilegx/mul-tables.c: New file.
3071         * config/tilegx/predicates.md: New file.
3072         * config/tilegx/sync.md: New file.
3073         * config/tilegx/t-tilegx: New file.
3074         * config/tilegx/tilegx-builtins.h: New file.
3075         * config/tilegx/tilegx-c.c: New file.
3076         * config/tilegx/tilegx-generic.md: New file.
3077         * config/tilegx/tilegx-modes.def: New file.
3078         * config/tilegx/tilegx-multiply.h: New file.
3079         * config/tilegx/tilegx-protos.h: New file.
3080         * config/tilegx/tilegx.c: New file.
3081         * config/tilegx/tilegx.h: New file.
3082         * config/tilegx/tilegx.md: New file.
3083         * config/tilegx/tilegx.opt: New file.
3084         * config/tilepro/constraints.md: New file.
3085         * config/tilepro/gen-mul-tables.cc: New file.
3086         * config/tilepro/linux.h: New file.
3087         * config/tilepro/mul-tables.c: New file.
3088         * config/tilepro/predicates.md: New file.
3089         * config/tilepro/t-tilepro: New file.
3090         * config/tilepro/tilepro-builtins.h: New file.
3091         * config/tilepro/tilepro-c.c: New file.
3092         * config/tilepro/tilepro-generic.md: New file.
3093         * config/tilepro/tilepro-modes.def: New file.
3094         * config/tilepro/tilepro-multiply.h: New file.
3095         * config/tilepro/tilepro-protos.h: New file.
3096         * config/tilepro/tilepro.c: New file.
3097         * config/tilepro/tilepro.h: New file.
3098         * config/tilepro/tilepro.md: New file.
3099         * config/tilepro/tilepro.opt: New file.
3100
3101 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3102
3103         PR tree-optimization/52210
3104         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3105         vect_model_simple_cost with two entry vect_def_type array instead
3106         of an address of dt.
3107
3108 2012-02-14  Richard Guenther  <rguenther@suse.de>
3109
3110         PR lto/52178
3111         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3112         Do not stream DECL_QUALIFIER.
3113         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3114         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3115         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3116
3117 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3118
3119         PR c/52181
3120         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3121         newdecl.
3122
3123 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3124
3125         PR bootstrap/52172
3126         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3127         * cselib.c (cselib_subst_to_values_from_insn): New function.
3128         * sched-deps.c (add_insn_mem_dependence,
3129         sched_analyze_1, sched_analyze_2): Use it.
3130
3131 2012-02-13  Jan Hubicka  <jh@suse.cz>
3132
3133         PR middle-end/52214
3134         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3135
3136 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3137
3138         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3139         (GTM_SELF_SPECS): Define if not already defined.
3140         (driver_self_specs): Add GTM_SELF_SPECS.
3141         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3142         (GTM_SELF_SPECS): Define.
3143         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3144         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3145
3146 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3147
3148         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3149         away if seen.
3150
3151         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3152
3153         PR middle-end/52230
3154         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3155         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3156
3157 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3158
3159         PR c/52190
3160         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3161
3162 2012-02-13  Richard Guenther  <rguenther@suse.de>
3163
3164         PR translation/52211
3165         * passes.c (enable_disable_pass): Fix typo.
3166
3167 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3168
3169         PR middle-end/52209
3170         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3171         XOR for reduce_bit_field if type is unsigned.
3172
3173 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3174
3175         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3176         disallow changes from SFmode to mode with different size in FP regs.
3177
3178 2012-02-12  Robert Millan  <rmh@gnu.org>
3179             Gerald Pfeifer <gerald@pfeifer.com>
3180
3181         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3182         Tweak comment.
3183
3184 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3185
3186         PR rtl-optimization/52175
3187         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3188         to frame-related instructions.
3189
3190 2012-02-10  Jason Merrill  <jason@redhat.com>
3191
3192         PR c++/51910
3193         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3194         (demangle_new_symbols): Fill it.
3195         (scan_linker_output): Walk it.
3196         (start_tweaking): Split out from scan_linker_output.
3197         (maybe_tweak): Update sym->chosen.
3198         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3199
3200 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3201
3202         PR debug/52132
3203         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3204
3205 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3206
3207         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3208         having the same mode as previous compare.
3209
3210 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3211
3212         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3213         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3214         (nonlocal_goto_internal): Likewise.
3215         (nonlocal_goto): Emit a use and an indirect jump directly.
3216
3217 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3218
3219         PR c/52190
3220         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3221         __atomic_{is,always}_lock_free.
3222
3223 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3224
3225         PR target/52146
3226         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3227         negative constant address for x32.
3228
3229 2012-02-10  Richard Henderson  <rth@redhat.com>
3230
3231         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3232         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3233         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3234
3235 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3236             Ira Rosen  <irar@il.ibm.com>
3237
3238         PR tree-optimization/50031
3239         * targhooks.c (default_builtin_vectorization_cost): Handle
3240         vec_promote_demote.
3241         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3242         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3243         all types of reduction and pattern statements.
3244         (vect_estimate_min_profitable_iters): Likewise.
3245         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3246         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3247         for explicit realigns.
3248         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3249         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3250         vec_promote_demote.
3251         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3252         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3253         vec_perm for VSX and handle vec_promote_demote.
3254
3255 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3256
3257         PR middle-end/52177
3258         * builtins.c (fold_builtin_atomic_always_lock_free,
3259         expand_builtin_atomic_always_lock_free,
3260         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3261         Return and/or test boolean_true_node/boolean_false_node instead of
3262         integer_one_node/integer_zero_node.
3263
3264 2012-02-10  Jan Hubicka  <jh@suse.cz>
3265
3266         PR middle-end/48600
3267         * predict.c (predict_paths_for_bb): Prevent looping.
3268         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3269
3270 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3271
3272         * config/arm/arm.c (output_move_double): In one case properly
3273         count number of instructions that will be emitted.
3274
3275 2012-02-10  Richard Guenther  <rguenther@suse.de>
3276
3277         PR translation/52193
3278         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3279
3280 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3281
3282         PR middle-end/52140
3283         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3284
3285 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3286
3287         PR debug/52165
3288         * var-tracking.c (emit_note_insn_var_location): If
3289         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3290         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3291         non-NOTE_DURING_CALL_P insn.
3292
3293 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3294
3295         PR middle-end/51867
3296         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3297
3298 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3299
3300         PR driver/48524
3301         * gcc.c (switch_matches) Support switches with separated form,
3302         -D and -U.
3303
3304 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3305
3306         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3307         (SP_ADDR): Ditto.
3308         (RAMPZ_ADDR): Ditto.
3309         * config/avr/avr.c (avr_addr_t): New typedef.
3310         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3311         (avr_init_expanders): Initialize it.
3312         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3313         SREG_ADDR.
3314         (expand_epilogue): Ditto.
3315         (avr_print_operand): Ditto.
3316         (avr_file_start): Ditto.
3317         (avr_emit_movmemhi): Ditto.
3318
3319 2012-02-08  Richard Guenther  <rguenther@suse.de>
3320
3321         PR tree-optimization/46886
3322         * tree-flow.h (do_while_loop_p): Declare.
3323         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3324         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3325
3326 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3327
3328         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3329         always succeed for integers larger than a native word.
3330
3331 2012-02-08  Richard Guenther  <rguenther@suse.de>
3332
3333         PR rtl-optimization/52170
3334         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3335         properly handle integer vector modes.
3336
3337 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3338
3339         PR gcov-profile/52150
3340         * coverage.c: Include target.h.
3341         (build_var): Call targetm.strip_name_encoding on the assembler name.
3342         Change one _ into . or $ if the target allows it.
3343         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3344
3345         PR rtl-optimization/52139
3346         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3347         is a BARRIER after emit_insn_after_noloc, move BB_END
3348         to the last non-BARRIER insn before it.
3349
3350 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3351
3352         PR middle-end/24306
3353         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3354         (mips_gimplify_va_arg_expr): Call it instead of
3355         std_gimplify_va_arg_expr.
3356
3357 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3358
3359         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3360         message for -mno-pointers-to-nested-function.
3361
3362 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3363
3364         PR middle-end/51994
3365         * expr.c (get_inner_reference): If there is an offset, add a negative
3366         bit position to it (if any).
3367
3368 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3369
3370         PR rtl-optimization/52060
3371         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3372         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3373         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3374         and/or i0src_copy2 when needed.
3375
3376 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3377
3378         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3379         or LTOPLUGINSONAME if have_c.
3380
3381         * config/freebsd-spec.h: Add comment about what macros can be defined
3382         in this header.
3383         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3384         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3385         here instead.
3386
3387 2012-02-07  Richard Guenther  <rguenther@suse.de>
3388
3389         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3390         newline in -alias dumps.
3391
3392 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3393             Dave Korn  <dave.korn.cygwin@gmail.com>
3394
3395         PR target/40068
3396         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3397         Take care that typinfo gets dllexport-attribute.
3398
3399 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3400
3401         PR middle-end/52074
3402         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3403         if modifier < EXPAND_SUM call force_operand on the result.
3404
3405 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3406
3407         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3408         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3409         present.
3410         (epiphany_function_type): Replace types for specific interrupts with
3411         EPIPHANY_FUNCTION_INTERRUPT.
3412         (EPIPHANY_INTERRUPT_P): Update.
3413         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3414         New static function.
3415         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3416         <disinterrupt>: Affects type identity.
3417         (epiphany_handle_interrupt_attribute): Handle variable number of
3418         arguments.
3419         (epiphany_compute_function_type): Update for new
3420         epiphany_function_type definition.
3421         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3422         handlers with a longcall forwarder.
3423         (epiphany_start_function): Handle multiple interrupt arguments and/or
3424         forwarder_section attribute.
3425
3426         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3427         libgloss.
3428
3429 2012-02-07  Alan Modra  <amodra@gmail.com>
3430
3431         PR target/52107
3432         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3433         subregs of TFmode.
3434
3435 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3436
3437         PR tree-optimization/50969
3438         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3439         use vec_perm rather than vector_stmt.
3440         (vect_model_load_cost): Likewise.
3441         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3442         vec_perm to be the same as other vector statements.
3443         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3444         cost of vec_perm for TARGET_VSX.
3445
3446 2012-02-06  Richard Guenther  <rguenther@suse.de>
3447
3448         PR tree-optimization/52115
3449         * tree-sra.c (access_has_replacements_p): New function.
3450         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3451
3452 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3453
3454         PR middle-end/52047
3455         * trans-mem.c (expand_call_tm): Add an assertion.
3456         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3457         functions.
3458
3459 2012-02-06  Richard Guenther  <rguenther@suse.de>
3460
3461         PR tree-optimization/50955
3462         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3463         raise cost of expressions that replace an address with an
3464         expression based on a different pointer.
3465
3466 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3467
3468         PR target/52129
3469         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3470         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3471
3472 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3473
3474         PR c++/48680
3475         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3476         -Weffc++ and specify guidelines come from second edition.
3477
3478 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3479
3480         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3481         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3482         (call_direct_split, call_value_split, call_value_internal_direct)
3483         (call_value_direct_split, call_value_multiple_split): Use jal and
3484         jal_macro attributes.
3485
3486 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3487
3488         * reload1.c (reload_regs_reach_end_p): Replace with...
3489         (reload_reg_rtx_reaches_end_p): ...this function.
3490         (new_spill_reg_store): Update commentary.
3491         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3492         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3493         before setting new_spill_reg_store.
3494         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3495         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3496         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3497         for non-spill reload registers.
3498
3499 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3500
3501         PR tree-optimization/52091
3502         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3503         (vect_is_simple_use_1): Likewise.
3504         * tree-vect-loop.c (vectorizable_reduction): Update calls
3505         to vect_is_simple_use_1 and vect_is_simple_use.
3506         (vectorizable_live_operation): Likewise.
3507         * tree-vect-patterns.c (widened_name_p,
3508         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3509         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3510         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3511         vectorizable_shift,vectorizable_operation, vectorizable_store,
3512         vectorizable_load): Likewise.
3513         (vect_is_simple_cond): Add an argument, pass it to
3514         vect_is_simple_use_1.
3515         (vectorizable_condition): Update calls to vect_is_simple_cond,
3516         vect_is_simple_use.
3517         (vect_is_simple_use): Add an argument, the statement in which
3518         OPERAND is used.  Check that if OPERAND's def stmt is a double
3519         reduction phi node, the use is a phi node too.
3520         (vect_is_simple_use_1): Add an argument, pass it to
3521         vect_is_simple_use.
3522         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3523         to vect_is_simple_use.
3524
3525 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3526
3527         PR rtl-optimization/52095
3528         * modulo-sched.c (dump_insn_locator): New function.
3529         (loop_canon_p, sms_schedule): Use it.
3530
3531         PR rtl-optimization/52113
3532         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3533         even for decomposable shift/zext insns.
3534
3535 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3536             Zdenek Dvorak  <ook@ucw.cz>
3537
3538         PR rtl-optimization/52092
3539         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3540         on get_iv_value result.
3541
3542 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3543
3544         PR middle-end/47982
3545         PR middle-end/43967
3546         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3547
3548 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3549
3550         PR middle-end/48071
3551         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3552
3553 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3554
3555         PR rtl-optimization/49800
3556         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3557         (sched_finish): Call regstat_free_n_sets_and_refs.
3558
3559 2012-02-02  Jia Liu  <proljc@gmail.com>
3560
3561         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3562         than operand 2.
3563
3564 2012-02-02  Jan Hubicka  <jh@suse.cz>
3565             Tom de Vries  <tom@codesourcery.com>
3566
3567         PR middle-end/51998
3568         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3569         * varpool.c (varpool_analyze_pending_decls): Likewise.
3570
3571 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3572             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3573
3574         * config.gcc: Add cr16-* support.
3575
3576         * doc/extend.texi: Document cr16 extensions.
3577         * doc/install.texi: Document cr16 install.
3578         * doc/invoke.texi: Document cr16 options.
3579         * doc/md.texi: Document cr16 constraints.
3580
3581         * common/config/cr16/cr16-common.c: New file.
3582         * config/cr16/cr16.c: New file.
3583         * config/cr16/cr16.h: New file.
3584         * config/cr16/cr16.md: New file.
3585         * config/cr16/cr16.opt: New file.
3586         * config/cr16/cr16-protos.h: New file.
3587         * config/cr16/predicates.md: New file.
3588         * config/cr16/constraints.md: New file.
3589         * config/cr16/t-cr16: New file.
3590
3591 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3592
3593         PR target/52086
3594         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3595         that operands[2] is either immediate, or q_regs_operand.
3596
3597         PR tree-optimization/52073
3598         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3599         a pattern stmt for pattern uses, ignore uses outside of the loop.
3600
3601 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3602
3603         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3604         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3605         (OUT_AS1, OUT_AS2): Remove.
3606
3607 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3608
3609         PR rtl-optimization/51374
3610         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3611         to cross other volatile_refs_p insns.
3612
3613 2012-02-01  Richard Guenther  <rguenther@suse.de>
3614
3615         * doc/invoke.texi (fno-inline): Clarify documentation.
3616         (finline-small-functions): Likewise.
3617         (finline-functions): Likewise.
3618         * common.opt (finline): Adjust comment and documentation.
3619         (finline-small-functions): Clarify documentation.
3620         (finline-functions): Likewise.
3621         (finline-functions-called-once): Likewise.
3622
3623 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3624
3625         * c-typeck.c (composite_type): Keep mode for pointers.
3626
3627 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3628
3629         * function.h (regno_reg_rtx): Adjust comment.
3630         * reginfo.c (init_reg_modes_target): Only use the previous mode
3631         if it fits within one register.  Remove MIPS comment.
3632
3633 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3634
3635         PR bootstrap/52058
3636         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3637
3638 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3639
3640         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3641         to srak instruction.
3642
3643 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3644
3645         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3646
3647 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3648
3649         PR bootstrap/52041
3650         PR bootstrap/52039
3651         PR target/51974
3652         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3653
3654 2012-01-31  Richard Guenther  <rguenther@suse.de>
3655
3656         PR tree-optimization/51528
3657         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3658         assigns.
3659
3660 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3661
3662         PR bootstrap/52041
3663         PR bootstrap/52039
3664         PR target/51974
3665         * ree.c (add_removable_extension): Change def_map argument
3666         to unsigned *, store in def_map 1 + offset into *insn_list vector
3667         instead of pointers into the vector.
3668         (find_removable_extensions): Adjust caller.
3669
3670 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3671
3672         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3673         Transform all "* quoted-c-code" to { c-code }.
3674         Remove redundant test for "optimize" in combine patterns.
3675         Move (include "avr-dimode.md") to end of file.
3676
3677 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3678
3679         PR target/51835
3680         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3681         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3682
3683 2012-01-30  Richard Guenther  <rguenther@suse.de>
3684
3685         PR tree-optimization/52028
3686         * tree-loop-distribution.c (ldist_gen): Properly update
3687         virtual SSA form.
3688
3689 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3690
3691         PR debug/52027
3692         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3693         set_cur_line_info_table if not emitting debug info.
3694
3695         PR tree-optimization/52046
3696         * tree-vect-patterns.c (check_bool_pattern): Give up if
3697         a comparison could throw.
3698
3699         PR debug/52048
3700         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3701
3702 2012-01-30  Richard Guenther  <rguenther@suse.de>
3703
3704         PR tree-optimization/52045
3705         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3706         SSA form if cfgcleanup did anything.
3707
3708 2012-01-30  Richard Guenther  <rguenther@suse.de>
3709
3710         PR tree-optimization/52045
3711         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3712         before computing final todo.
3713
3714 2012-01-30  Richard Guenther  <rguenther@suse.de>
3715
3716         PR tree-optimization/51528
3717         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3718         for PR51528 fix.
3719
3720 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3721
3722         * df-problems.c (df_kill_notes): Check that the use refers
3723         to the note under examination.
3724
3725 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3726
3727         PR target/51920
3728         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3729         parameter and use short-lived pseudos.
3730         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3731         (sparc_expand_vector_init): Const-ify local variables and adjust
3732         calls to above functions.
3733
3734 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3735
3736         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3737
3738 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3739
3740         * doc/invoke.texi: Make usage of "compile time" and
3741         "run time"/"runtime" consistent throughout the file.
3742
3743 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3744
3745         * config/alpha/alpha.c (alpha_option_override): Default to
3746         full IEEE compliance mode for Go language.
3747
3748 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3749
3750         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3751         (LINK_SSP_SPEC): Define.
3752
3753 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3754
3755         PR target/51871
3756         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3757         stubs.
3758
3759 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3760
3761         * doc/invoke.texi: Correct hyphenation of "floating point",
3762         "double precision", and related terminology throughout the file.
3763
3764 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3765
3766         PR target/52006
3767         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3768         arm_general_register_operand predicate for operand 2 instead of
3769         register_operand.
3770
3771 2012-01-27  Ian Lance Taylor  <iant@google.com>
3772
3773         PR go/47656
3774         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3775         * builtins.c (expand_builtin_init_trampoline): Add onstack
3776         parameter.  Change caller.
3777         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3778         * tree.c (build_common_builtin_nodes): Declare
3779         __builtin_init_heap_trampoline.
3780
3781 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3782
3783         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3784         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3785         * config/avr/avr.c: Ditto.
3786         (avr_regnames): Remove because unused.
3787         * config/avr/avr.md (*cpse.ne): New peephole.
3788         (*cpse.eq): New peephole from former cpse peepholes.
3789
3790 2012-01-27  Michael Eager  <eager@eagercon.com>
3791
3792         * config/microblaze.c (microblaze_emit_compare): Correct
3793         test after pcmp instruction.
3794
3795 2012-01-27  Richard Guenther  <rguenther@suse.de>
3796
3797         PR tree-optimization/52020
3798         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3799
3800 2012-01-27  Richard Guenther  <rguenther@suse.de>
3801
3802         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3803         function non-const/pure.
3804
3805 2012-01-27  Richard Guenther  <rguenther@suse.de>
3806
3807         PR tree-optimization/50444
3808         * tree-sra.c (build_ref_for_offset): Properly adjust the
3809         MEM_REF type for unaligned accesses.
3810
3811 2012-01-27  Richard Guenther  <rguenther@suse.de>
3812
3813         PR tree-optimization/50444
3814         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3815         (expand_assignment): Use it.  Properly handle misaligned
3816         bases when expanding stores to component references.
3817         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3818         refactor that case.
3819
3820 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3821
3822         PR middle-end/51389
3823         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3824         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3825         * tree-data-ref.c (find_data_references_in_loop): Make static.
3826         (compute_all_dependences): Change return type to bool.  Bail out
3827         for too many datarefs in a loop.  Move the hunk resetting the data
3828         dependences vector from ...
3829         (compute_data_dependences_for_loop): ... here.  Account for
3830         compute_all_dependences returning false.
3831         (compute_data_dependences_for_bb): Likewise.
3832         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3833         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3834
3835 2012-01-27  Richard Guenther  <rguenther@suse.de>
3836
3837         PR middle-end/51959
3838         * expr.c (store_field): Use the alias-set of the scratch memory
3839         for storing to it.
3840
3841 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3842
3843         PR tree-optimization/51990
3844         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3845         WITH_SIZE_EXPR.
3846         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3847
3848 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3849
3850         PR debug/52001
3851         * var-tracking.c (reverse_op): Don't add any reverse operation
3852         if V already has any constant locations.
3853
3854 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3855
3856         * doc/invoke.texi: Correct usage of "command line" (noun)
3857         vs "command-line" (adjective) throughout.
3858
3859 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3860
3861         * doc/invoke.texi (Language Independent Options): Move
3862         -Wcoverage-mismatch blurb from here....
3863         (Warning Options): ...to here.
3864
3865 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3866
3867         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3868         Set rs6000_always_hint to false for 476.
3869
3870 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3871
3872         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3873           system root.
3874         * incpath.c (add_standard_paths): Likewise.
3875
3876 2012-01-27  Richard Henderson  <rth@redhat.com>
3877
3878         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3879         * config/m68k/sync.md (atomic_test_and_set): Rename from
3880         sync_test_and_setqi and adjust the operands.
3881         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3882         and unconditionally enable.
3883
3884 2012-01-27  Richard Henderson  <rth@redhat.com>
3885
3886         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3887         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3888         (ldstub): Rename from ldstubqi.
3889         (ldstub<I24MODE>): Remove.
3890
3891 2012-01-27  Richard Henderson  <rth@redhat.com>
3892
3893         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3894         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3895         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3896         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3897         * doc/tm.texi: Rebuild.
3898
3899 2012-01-27  Richard Henderson  <rth@redhat.com>
3900
3901         * optabs.c (gen_atomic_test_and_set): Remove default.
3902         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3903
3904 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3905
3906         PR rtl-optimization/51978
3907         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3908         (combine_reaching_defs): Likewise.
3909         (struct re_info): Remove.
3910         (add_removable_extension): Remove x and data arguments,
3911         add insn, insn_list and def_map.  Use the arguments directly
3912         instead of using struct re_info.
3913         (find_removable_extensions): Don't call add_removable_extension
3914         through note_stores, instead just call it with single_set
3915         result if non-NULL.
3916         (find_and_remove_re): Pass curr_cand->expr instead of
3917         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3918
3919 2012-01-26  Michael Matz  <matz@suse.de>
3920
3921         PR tree-optimization/46590
3922         * cfgexpand.c: Revert last change (r183305).
3923         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3924         regs.
3925         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3926         checking for emptiness.
3927
3928 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3929
3930         PR middle-end/51895
3931         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3932         non-addressable non-BLKmode base correctly.
3933
3934 2012-01-26  Michael Matz  <matz@suse.de>
3935
3936         PR tree-optimization/48794
3937         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3938         regions referenced from RESX/EH_DISPATCH.
3939
3940 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3941
3942         * config/s390/s390.h: Make BRANCH_COST an option.
3943         * config/s390/s390.opt: New option -mbranch-cost.
3944
3945 2012-01-26  Richard Henderson  <rth@redhat.com>
3946
3947         Revert 2012-01-24 change:
3948         * trans-mem.c (requires_barrier): Do not instrument thread local
3949         variables and emit save/restore for them.
3950
3951 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3952
3953         PR middle-end/51986
3954         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3955         for pat == 0.
3956
3957 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3958
3959         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3960         ASM_OPERANDS.
3961
3962 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3963
3964         PR target/49868
3965         Rename __pgm to __flash.
3966         Rename __pgm1 to __flash1.
3967         Rename __pgm2 to __flash2.
3968         Rename __pgm3 to __flash3.
3969         Rename __pgm4 to __flash4.
3970         Rename __pgm5 to __flash5.
3971         Rename __pgmx to __memx.
3972         * doc/extend.texi (AVR Named Address Spaces)
3973         Rename address space names as indicated above.
3974         * config/avr/avr.c (avr_addrspace): Ditto.
3975
3976         * config/avr/avr-protos.h
3977         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3978         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3979         * config/avr/predicates.md: Ditto.
3980         * config/avr/avr.c Ditto, and
3981         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3982         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3983
3984         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3985         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3986         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3987         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3988         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3989         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3990         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3991         * config/avr/avr.c: Ditto.
3992         * config/avr/avr.md: Ditto.
3993
3994 2012-01-25  Jason Merrill  <jason@redhat.com>
3995
3996         PR c++/51992
3997         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3998
3999 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4000
4001         PR tree-optimization/51987
4002         * tree-data-ref.c (get_references_in_stmt): Handle references in
4003         non-volatile GIMPLE_ASM.
4004
4005 2012-01-25  Richard Guenther  <rguenther@suse.de>
4006
4007         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4008         bases are dereferenced.
4009
4010 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4011
4012         PR rtl-optimization/48374
4013         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4014
4015 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4016
4017         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4018         compute_data_dependences_for_loop returns false.
4019         * tree-parloops.c (loop_parallel_p): Likewise.
4020
4021 2012-01-25  Richard Guenther  <rguenther@suse.de>
4022
4023         * tree.h (get_pointer_alignment_1): Declare.
4024         * builtins.c (get_pointer_alignment_1): New function.
4025         (get_pointer_alignment): Use it.
4026
4027 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4028
4029         PR rtl-optimization/48308
4030         * combine.c (enum undo_kind): Add UNDO_LINKS.
4031         (struct undo): Add member l to other_contents and where.
4032         (do_SUBST_LINK): New.
4033         (SUBST_LINK): New.
4034         (try_combine): Handle LOG_LINKS for the dummy i1 case.
4035         (undo_all): Handle UNDO_LINKS.
4036
4037 2012-01-25  Richard Henderson  <rth@redhat.com>
4038
4039         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4040         mem inputs.
4041
4042 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4043
4044         * optabs.c (gen_atomic_test_and_set): Use each argument.
4045
4046 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4047
4048         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4049         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4050         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4051         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4052         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4053         TARGET_PAIRED_SINGLE_FLOAT.
4054
4055 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4056
4057         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4058         (in_struct, return_val): Remove MEM documentation.
4059         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4060         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4061         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4062         and MEM_SCALAR.
4063         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4064         * cfgexpand.c (add_alias_set_conflicts): Likewise.
4065         * expr.c (store_field): Likewise.
4066         * function.c (assign_stack_temp_for_type): Likewise.
4067         * ifcvt.c (noce_try_cmove_arith): Likewise.
4068         * reload1.c (reload): Likewise.
4069         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4070         (alpha_set_memflags): Likewise.
4071         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4072
4073 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4074
4075         * rtl.h (true_dependence, canon_true_dependence): Remove varies
4076         parameter.
4077         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4078         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4079         (true_dependence_1, true_dependence, canon_true_dependence): Remove
4080         varies parameter.
4081         * cselib.c (cselib_rtx_varies_p): Delete.
4082         (cselib_invalidate_mem): Update call to canon_true_dependence.
4083         * dse.c (record_store, check_mem_read_rtx): Likewise.
4084         (scan_reads_nospill): Likewise.
4085         * cse.c (check_dependence): Likewise.
4086         (cse_rtx_varies_p): Delete.
4087         * expr.c (safe_from_p): Update call to true_dependence.
4088         * ira.c (validate_equiv_mem_from_store): Likewise.
4089         (memref_referenced_p): Likewise.
4090         * postreload-gcse.c (find_mem_conflicts): Likewise.
4091         * sched-deps.c (sched_analyze_2): Likewise.
4092         * store-motion.c (load_kills_store): Likewise.
4093         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4094         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4095         (compute_transp): Update call to canon_true_dependence.
4096
4097 2012-01-25  Richard Henderson  <rth@redhat.com>
4098
4099         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4100         (maybe_emit_atomic_test_and_set): New.
4101         (expand_sync_lock_test_and_set): Use it.
4102         (expand_atomic_test_and_set): Likewise.
4103         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4104         the implementation; clarify implementation defined details.
4105         * doc/md.texi (atomic_test_and_set): Document.
4106
4107 2012-01-25  Richard Henderson  <rth@redhat.com>
4108
4109         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4110
4111 2012-01-25  Richard Henderson  <rth@redhat.com>
4112
4113         PR target/51968
4114         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4115         to effect no-op split.
4116
4117 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4118
4119         PR lto/51698
4120         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4121         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4122         (BT_FN_VOID_PTR_INT_SIZE): New.
4123         (BT_FN_UINT_UINT_VAR): Remove.
4124         (BT_FN_UINT32_UINT32_VAR): New.
4125         (BT_FN_DOUBLE_VPTR): Remove.
4126         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4127
4128         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4129         (_ITM_changeTransactionMode): Same.
4130         (_ITM_memmoveRtWt): Change return type to void.
4131         (_ITM_memcpyRtWt): Same.
4132         (_ITM_memsetW): Same.
4133         (_ITM_RaRD): Change types to double.
4134         (_ITM_RD): Same.
4135         (_ITM_RaWD): Same.
4136         (_ITM_RfWD): Same.
4137
4138         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4139
4140 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4141             Patrick Marlier  <patrick.marlier@gmail.com>
4142
4143         * trans-mem.c (requires_barrier): Do not instrument thread local
4144         variables and emit save/restore for them.
4145
4146 2012-01-24  Jason Merrill  <jason@redhat.com>
4147
4148         PR c++/51812
4149         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4150         output static aliases.
4151
4152 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4153
4154         PR driver/47249
4155         * common.opt (-pie, -shared, pie, shared): Change from Common to
4156         Driver.
4157         * gcc.c (display_help): Display help for -pie and -shared.
4158
4159 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>