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