OSDN Git Service

9d6dce4e2260c02c2a67df1905b2ac18d2ec1661
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
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 Cors├ępius  <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 Cors├ępius  <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         * con