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