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