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2012-07-20 Kirill Yukhin <kirill.yukhin@intel.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
2
3         PR target/53877
4         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
5         (_lzcnt_u64): Ditto.
6
7 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
8
9         Backport from mainline
10         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
11
12         PR rtl-optimization/52250
13         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
14         to put note list into.  Unconditionally call move_bb_info.
15         (move_bb_info): Do not assert the blocks being in the same region,
16         just drop the note list if they are not.
17
18 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
19
20         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
21
22 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
23
24         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
25         defining statement is a SSA name that occurs in abnormal PHIs.
26
27 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
28
29         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
30         conversions.
31
32 2012-07-19  Richard Guenther  <rguenther@suse.de>
33             Eric Botcazou  <ebotcazou@adacore.com>
34
35         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
36         about transition from invariant to known bits.
37         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
38
39 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
40
41         PR middle-end/54017
42         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
43         (cleanup_tree_cfg_bb): Don't call it.
44         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
45         handling.
46
47 2012-07-19  Christian Bruel  <christian.bruel@st.com>
48
49         PR target/54029
50         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
51
52 2012-07-18  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
53
54         * config.gcc (v850-*-rtems*): New target.
55         * config/v850/rtems.h: New.
56         * config/v850/t-rtems: New.
57
58 2012-07-18  Nick Clifton  <nickc@redhat.com>
59
60         * doc/invoke.texi (ARM Options): Document -munaligned-access.
61
62 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
63
64         PR target/53961
65
66         Backport from mainline
67         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
68
69         PR target/53110
70         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
71         instead expand it as zero extension.
72
73 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
74
75         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
76         QImode and HImode splitters.  Use ix86_comparison_operator.
77         Explicitly match FLAGS_REG.
78         (DFmode cmove splitter): Explicitly match FLAGS_REG.
79
80 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
81             Steven Bosscher  <steven@gcc.gnu.org>
82             Bernd Schmidt  <bernds@codesourcery.com>
83
84         PR rtl-optimization/53908
85         * df-problems.c (can_move_insns_across): When doing
86         memory-reference book-keeping, handle call insns.
87
88 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
89
90         Backport from mainline
91         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
92
93         PR target/53811
94         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
95         sibcall_insn_operand.  Move it to a temporary register if not.
96
97         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
98
99         PR target/53853
100         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
101         emit PIC sequence for fnaddr symbol reference in advance.
102
103 2012-07-09  Jason Merrill  <jason@redhat.com>
104
105         PR c++/53882
106         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
107         (type_hash_eq): Likewise.
108
109         PR c++/53826
110         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
111
112 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
113
114         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
115         due to negative shift amount.
116
117 2012-07-06  Kai Tietz  <ktietz@redhat.com>
118
119         Backport from mainline.
120         PR bootstrap/52947
121         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
122         as "/mingw/include".
123
124 2012-07-06  Nick Clifton  <nickc@redhat.com>
125
126         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
127         default_encode_section_info.
128
129 2012-07-06  Richard Guenther  <rguenther@suse.de>
130
131         Backport from mainline
132         2012-03-30  Richard Guenther  <rguenther@suse.de>
133
134         PR middle-end/52786
135         * double-int.c (rshift_double): Remove not needed cast.
136
137         2012-03-28  Richard Guenther  <rguenther@suse.de>
138
139         PR middle-end/50708
140         * double-int.h (rshift_double): Remove.
141         * double-int.c (lshift_double): Use absu_hwi to make count
142         positive.
143         (rshift_double): Make static, take unsigned count argument,
144         remove handling of negative count argument.
145         (double_int_rshift): Dispatch to lshift_double.
146
147 2012-07-06  Richard Guenther  <rguenther@suse.de>
148
149         Backport from mainline
150         2012-06-18  Richard Guenther  <rguenther@suse.de>
151
152         PR tree-optimization/53693
153         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
154         Reject operands with more than one use.
155
156 2012-07-06  Richard Guenther  <rguenther@suse.de>
157
158         Backport from mainline
159         2012-04-11  Richard Guenther  <rguenther@suse.de>
160
161         PR middle-end/52621
162         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
163         consider loop nesting.
164         (evolution_function_is_univariate_p): Properly check the remainder
165         for chrecs.
166
167 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
168
169         Backport from mainline
170         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
171
172         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
173         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
174         (adjacent_mem_locations): Move some code to and call...
175         (get_memref_parts): ...new function.
176         (mem_locations_overlap): New function.
177         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
178         (is_mem_ref): Rename to...
179         (find_mem_ref): ...this. Return MEM rtx.
180         (get_store_dest): Remove function.
181         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
182         new parameter and adjust calls.
183         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
184         mem refs overlap for true_store_to_load_dep_costly.
185         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
186         passed to adjacent_mem_locations.
187         (is_costly_group): Walk resolved dependency list.
188         (force_new_group): Emit group ending nop for Power6/Power7.
189         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
190         (group_ending_nop): New define_insn.
191
192 2012-07-04  Richard Guenther  <rguenther@suse.de>
193
194         PR middle-end/53433
195         * gimple-fold.c (get_base_constructor): Do not return an
196         error_mark_node DECL_INITIAL.
197
198 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
199
200         Backport from mainline
201         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
202
203         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
204         code model string in the error message.
205
206 2012-07-04  Tristan Gingold  <gingold@adacore.com>
207
208         Backport from mainline.
209         2012-06-25  Tristan Gingold  <gingold@adacore.com>
210
211         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
212         (seh_cfa_adjust_cfa): ... that function.
213         (seh_emit_stackalloc): Do not emit out of range values.
214         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
215         UNSPEC_DEF_CFA constants.
216         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
217         * config/i386/i386.c (ix86_frame_pointer_required): Required
218         for very large frames on SEH target.
219         (ix86_compute_frame_layout): Save area is before frame pointer
220         on SEH target.  Handle very large frames.
221         (ix86_expand_prologue): Likewise.
222
223 2012-07-04  Richard Guenther  <rguenther@suse.de>
224
225         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
226         as in free_lang_data_in_type.
227
228 2012-07-02  Martin Jambor  <mjambor@suse.cz>
229
230         Backport from mainline.
231         2012-07-02  Martin Jambor  <mjambor@suse.cz>
232
233         PR middle-end/38474
234         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
235         dynamic type change check.
236
237 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
238
239         * tree-eh.c (lower_try_finally_switch): Really put the location of the
240         last statement of the finally block onto the switch.
241
242 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
243
244         * configure: Regenerate.
245
246         Backport from mainline.
247         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
248
249         * config.gcc (target_type_format_char): New. Document it. Set it for
250         arm*-*-* .
251         * configure.ac (gnu_unique_option): Use target_type_format_char
252         in test.  Comment rationale.
253
254 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
255
256         Backport from mainline.
257         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
258
259         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
260
261 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
262
263         Backport from 2012-06-28 mainline r189049
264
265         PR 53595
266         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
267         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
268         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
269         avr_hard_regno_call_part_clobbered.
270
271 2012-06-28  Richard Guenther  <rguenther@suse.de>
272
273         PR middle-end/53790
274         * expr.c (expand_expr_real_1): Verify if the type is complete
275         before inspecting its size.
276
277 2012-06-27  Nick Clifton  <nickc@redhat.com>
278
279         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
280         input operand.
281
282 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
283
284         PR debug/53682
285         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
286
287 2012-06-26  Nick Clifton  <nickc@redhat.com>
288
289         * config/rx/rx.md (simple_return): Use the simple_return rtx.
290
291 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
292
293         PR target/53759
294         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
295         of x x x in the vmovlps load alternative.
296
297 2012-06-22  Richard Guenther  <rguenther@suse.de>
298
299         * gcov-iov.c: Include bconfig.h and system.h.
300
301 2012-06-22  Richard Guenther  <rguenther@suse.de>
302
303         PR gcov-profile/53744
304         * gcov-iov.c (main): Treat "" and "prerelease" the same.
305
306 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
307
308         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
309         DECL_IGNORED_P non-reg vars even if they are used.
310
311 2012-06-19  Jason Merrill  <jason@redhat.com>
312
313         PR c++/52637
314         * dwarf2out.c (modified_type_die): Use scope_die_for.
315         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
316         (uses_local_type_r, uses_local_type): New.
317         (scope_die_for): Keep a type that uses a local type in local scope.
318         Use get_context_die for namespace and type scope.
319
320 2012-06-19  Richard Guenther  <rguenther@suse.de>
321
322         PR middle-end/53470
323         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
324         replace it with the first non-BLOCK context.
325
326 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
327
328         PR rtl-optimization/53700
329
330         Backport from mainline
331         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
332
333         * ira-color.c (setup_left_conflict_sizes_p): Process all
334         conflicting objects.
335
336 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
337
338         Backport from mainline
339         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
340
341         PR target/52908
342         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
343         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
344         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
345         instead of xop_mulv2div2di3_low.
346         (xop_p<macs>dql): Fix vec_select selector.
347         (xop_p<macs>dqh): Ditto.
348         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
349         (xop_mulv2div2di3_high): Ditto.
350
351 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
352
353         Backport from mainline:
354         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
355
356         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
357
358 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
359
360         Backport from mainline:
361         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
362
363         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
364         * config/pa/pa.c (pa_attr_length_millicode_call): Use
365         MAX_PCREL17F_OFFSET instead of fixed offset.
366         (pa_attr_length_call): Likewise.
367         (pa_attr_length_indirect_call): Likewise.
368
369 2012-06-15  Walter Lee  <walt@tilera.com>
370
371         Backport from mainline:
372         2012-06-15  Walter Lee  <walt@tilera.com>
373
374         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
375
376         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
377
378         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
379
380 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
381
382         Backport from mainline:
383
384         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
385         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
386         * gimple.h (block_in_transaction): Check for flag_tm.
387
388 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
389
390         PR tree-optimization/52558
391
392         Backport from mainline:
393         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
394         * gimple.h (gimple_set_in_transaction): Remove.
395         (gimple_in_transaction): Look in BB instead.
396         (gimple_statement_base): Remove in_transaction field.
397         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
398         * trans-mem.c (compute_transaction_bits): Place transaction bit
399         information into basic blocks.
400
401         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
402
403         PR tree-optimization/52558
404         * cfg.c (alloc_aux_for_edge): Fix comment.
405         (alloc_aux_for_edge): Remove static.
406         * basic-block.h (alloc_aux_for_edge): Protoize.
407         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
408         (execute_sm_if_changed_flag): New.
409         (execute_sm_if_changed_flag_set): New.
410         (execute_sm): Do not generate data races unless requested.
411         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
412         (tree_ssa_lim_finalize): Call free_aux_for_edges.
413         * gimple.h (block_in_transaction): New.
414         (gimple_in_transaction): Use block_in_transaction.
415
416 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
417
418         Backported from mainline
419         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
420
421         PR rtl-optimization/53589
422         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
423         discovery even when e->dest != target.  If any LABEL_REF points
424         to e->dest label, redirect it to target's label.
425
426         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
427
428         PR middle-end/53580
429         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
430         returns false, replace stmt with GIMPLE_NOP.
431         (check_omp_nesting_restrictions): Instead of issuing warnings,
432         issue errors and return false if any errors were reported.
433
434 2012-06-14  Richard Guenther  <rguenther@suse.de>
435
436         * BASE-VER: Set to 4.7.2.
437         * DEV-PHASE: Set to prerelease.
438
439 2012-06-12  Christian Bruel  <christian.bruel@st.com>
440
441         PR target/53621
442         * config/sh/sh.c (sh_option_override): Don't force
443          flag_omit_frame_pointer and maccumulate_outgoing_args.
444         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
445
446 2012-06-14  Release Manager
447
448         * GCC 4.7.1 released.
449
450 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
451
452         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
453
454 2012-06-13  Richard Henderson  <rth@redhat.com>
455
456         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
457         iterator instead of INT.
458
459 2012-06-08  Richard Henderson  <rth@redhat.com>
460
461         PR c++/53602
462         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
463         note to a clobber insn when no other insn is available.
464
465 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
466
467         PR c++/53524
468         * doc/invoke.texi (Wenum-compare): Update documentation.
469
470 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
471
472         PR target/53559
473         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
474         operands.
475         (altivec_stvlxl): Ditto.
476         (altivec_stvrx): Ditto.
477         (altivec_stvrxl): Ditto.
478
479 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
480
481         PR middle-end/47530
482         * trans-mem.c (expand_block_edges): Do not skip the first
483         statement when resetting the BB.
484
485 2012-06-04  Richard Guenther  <rguenther@suse.de>
486
487         PR middle-end/53471
488         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
489         create new assembler names.
490
491 2012-06-04  Richard Guenther  <rguenther@suse.de>
492
493         Backport from mainline
494         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
495
496         PR middle-end/52979
497         * stor-layout.c (get_best_mode): Don't return mode with bitsize
498         larger than maxbits.  Don't compute maxbits modulo align.
499         Also check that unit bytes long store at bitpos / unit * unit
500         doesn't affect bits beyond bitregion_end.
501         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
502         would not fit into bitregion_start ... bitregion_end + 1 bit
503         region.
504         (store_split_bit_field): Decrease unit close to end of bitregion_end
505         if access is restricted in order to avoid mutual recursion.
506
507 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
508
509         Backport from 2012-06-04 mainline r188172
510
511         PR target/46261
512         * config/avr/avr-stdint.h: New file.
513         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
514         newlib-stdint.h
515
516 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
517
518         PR tree-optimization/53550
519         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
520         is POINTER_TYPE_P, use sizetype as step type instead of type.
521
522 2012-06-04  Richard Guenther  <rguenther@suse.de>
523             Eric Botcazou  <ebotcazou@adacore.com>
524
525         Backport from mainline
526         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
527
528         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
529         Change type of BITOFFSET to signed.  Make sure the lower bound of
530         the computed range is non-negative by adjusting OFFSET and BITPOS.
531         (expand_assignment): Adjust call to get_bit_range.
532
533         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
534
535         * expr.c (get_bit_range): Return the null range if the enclosing record
536         is part of a larger bit field.
537
538         2012-03-20  Richard Guenther  <rguenther@suse.de>
539
540         * stor-layout.c (finish_bitfield_representative): Fallback
541         to conservative maximum size if the padding up to the next
542         field cannot be computed as a constant.
543         (finish_bitfield_layout): If we cannot compute the distance
544         between the start of the bitfield representative and the
545         bitfield member start a new representative.
546         * expr.c (get_bit_range): The distance between the start of
547         the bitfield representative and the bitfield member is zero
548         if the field offsets are not constants.
549
550         2012-03-16  Richard Guenther  <rguenther@suse.de>
551
552         * stor-layout.c (finish_bitfield_representative): Fall back
553         to the conservative maximum size if we cannot compute the
554         size of the tail padding.
555
556         2012-03-14  Richard Guenther  <rguenther@suse.de>
557
558         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
559         * stor-layout.c (start_bitfield_representative): New function.
560         (finish_bitfield_representative): Likewise.
561         (finish_bitfield_layout): Likewise.
562         (finish_record_layout): Call finish_bitfield_layout.
563         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
564         for QUAL_UNION_TYPE fields.
565         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
566         Stream DECL_BIT_FIELD_REPRESENTATIVE.
567         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
568
569         PR middle-end/52080
570         PR middle-end/52097
571         PR middle-end/48124
572         * expr.c (get_bit_range): Unconditionally extract bitrange
573         from DECL_BIT_FIELD_REPRESENTATIVE.
574         (expand_assignment): Adjust call to get_bit_range.
575
576 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
577
578         PR middle-end/53501
579         * fold-const.c (fold_binary_loc): Refine previous change.
580
581 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
582
583         Backport from mainline
584         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
585
586         PR target/52667
587         * config/sh/sh.c (find_barrier): Add equality check of last_got to
588         avoid going above orig insn.  Update comments.
589
590 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
591
592         Backport from mainline
593         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
594
595         PR target/52642
596         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
597         prologue for unwinder and profiler.
598
599 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
600
601         Backport from mainline
602         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
603
604         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
605
606 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
607
608         Backport from mainline
609         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
610
611         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
612         DBX_REGISTER_NUMBER.
613
614 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
615
616         Backport from mainline
617         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
618
619         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
620         operand is CONST_INT.  Take COSTS_N_INSNS into account.
621         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
622         shiftcosts.     
623
624 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
625
626         * config/avr/avr.opt (-msp8): Document it.
627         * doc/invoke.texi (AVR Options): Copy from trunk docu.
628
629 2012-05-31  Richard Guenther  <rguenther@suse.de>
630
631         PR middle-end/48493
632         * expr.c (expand_assignment): Do not use movmisalign on
633         non-memory.
634
635 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
636
637         PR target/52999
638         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
639         (pa_section_type_flags): New.
640         (pa_legitimate_constant_p): Revert previous change.
641
642 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
643
644         Backport from mainline
645         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
646
647         PR middle-end/53008
648         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
649         accessed indirectly.
650         (ipa_tm_create_version): Same.
651
652 2012-05-30  Jason Merrill  <jason@redhat.com>
653
654         PR c++/53220
655         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
656         about array compound literals.
657
658 2012-05-30  Richard Guenther  <rguenther@suse.de>
659
660         PR middle-end/53501
661         * fold-const.c (fold_binary_loc): Make sure to call
662         fold_plusminus_mult_expr with the original sign of operands.
663
664 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
665
666         * explow.c (probe_stack_range): Restore simple control flow and stop
667         again when the probe cannot be generated if HAVE_check_stack.
668
669 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
670
671         PR rtl-optimization/53519
672         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
673         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
674
675 2012-05-29  Richard Guenther  <rguenther@suse.de>
676
677         PR tree-optimization/53516
678         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
679         bitfield accesses.
680         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
681
682 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
683
684         Backport from mainline
685         2012-05-28  Richard Guenther  <rguenther@suse.de>
686
687         PR tree-optimization/53438
688         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
689
690 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
691
692         Backport from mainline
693         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
694
695         PR rtl-optimization/52528
696         * combine.c (can_combine_p): Add setting of subst_low_luid
697         before call to expand_field_assignment().
698
699 2012-05-26  Martin Jambor  <mjambor@suse.cz>
700
701         Backport from mainline
702         2012-05-23  Martin Jambor  <mjambor@suse.cz>
703
704         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
705
706 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
707
708         PR lto/52178
709         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
710         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
711
712 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
713
714         PR target/53435
715         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
716         (ix86_expand_vec_perm): Use int mode instead of float.
717
718 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
719
720         PR ada/52362
721         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
722         gnu_ld variables to yes.
723         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
724         (HAVE_GNU_AS): Likewise.
725         * config.in: Regenerate.
726         * configure: Likewise.
727
728 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
729
730         Backport from mainline
731         2012-03-12  Richard Guenther  <rguenther@suse.de>
732         * config/arm/arm.c (neon_dereference_pointer): Do not call
733         covert during RTL expansion.
734
735 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
736
737         Backport from mainline
738         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
739
740         PR target/53385
741         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
742         relied on signed overflow behavior.
743
744 2012-05-24  Richard Guenther  <rguenther@suse.de>
745
746         PR middle-end/53460
747         * tree-profile.c (tree_profiling): Cleanup the CFG if
748         execute_fixup_cfg requests it.
749
750 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
751
752         PR tree-optimization/53465
753         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
754         vr0 into *vr, then vrp_meet that.
755         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
756         have any equivalences.
757         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
758         first time.
759
760 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
761
762         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
763         size handling.
764         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
765         (iterative_hash_gimple_type): Adjust comment.
766         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
767         domain for an array type instead of the domain type itself.
768
769 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
770
771         Backport from 2012-05-23 mainline r187803
772
773         PR target/53448
774         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
775         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
776         ASM_OUTPUT_ALIGN.
777
778 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
779
780         Backport from 2012-05-03 mainline r187075
781
782         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
783         has_fma4 for AMD processors with both fma3 and fma4 support.
784
785 2012-05-22  Richard Guenther  <rguenther@suse.de>
786
787         PR tree-optimization/53408
788         * tree-vect-loop.c (vectorizable_induction): Properly check
789         the restriction that we cannot handle induction results from
790         the inner loop outside of the outer loop.
791
792 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
793
794         PR tree-optimization/53436
795         * omp-low.c (omp_build_component_ref): New function.
796         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
797
798         PR tree-optimization/53366
799         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
800         tests if complex_numbers == 2, but there are non-complex number loads
801         too.
802
803         PR tree-optimization/53409
804         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
805         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
806
807         PR tree-optimization/53410
808         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
809         instead of build_int_cst (type, 0) where vector types might be
810         involved.
811
812 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
813
814         PR c/53418
815         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
816         from folded operands before wrapping another around the
817         conditional expression.
818
819 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
820             Patrick Marlier  <patrick.marlier@gmail.com>
821
822         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
823         indirect calls.
824
825 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
826
827         Backport from mainline
828         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
829
830         PR target/53416
831         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
832         (UNSPECV_RDRAND): This.
833         (rdrand<mode>_1): Updated.
834
835 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
836
837         Backport from mainline
838         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
839
840         * config/i386/driver-i386.c (host_detect_local_cpu): Support
841         RDRND, F16C and FSGSBASE.
842
843 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
844
845         Backport from mainline
846         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
847
848         * tree-ssa-pre.c (can_value_number_call): Delete.
849         (compute_avail): Skip all statements with side effects.
850         <GIMPLE_CALL>: Skip calls to internal functions.
851
852 2012-05-18  David S. Miller  <davem@davemloft.net>
853
854         Backport r185385 from mainline
855         2012-03-14  Richard Guenther  <rguenther@suse.de>
856
857         PR middle-end/52584
858         * tree-vect-generic.c (type_for_widest_vector_mode): Take
859         element type instead of mode, use build_vector_type_for_mode
860         instead of the langhook, build a vector of proper signedness.
861         (expand_vector_operations_1): Adjust.
862
863 2012-05-18  Olivier Hainque  <hainque@adacore.com>
864
865         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
866         $(libsubdir) as libexecsubdir.
867
868 2012-05-16  Andrew Pinski  <apinski@cavium.com>
869
870         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
871         GIMPLE_ASSIGN.
872
873 2012-05-16  David S. Miller  <davem@davemloft.net>
874
875         * jump.c (delete_related_insns): If we remove a CALL, make sure
876         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
877
878 2012-05-16  Richard Henderson  <rth@redhat.com>
879
880         PR debug/52727
881         * combine-stack-adj.c (prev_active_insn_bb): New.
882         (next_active_insn_bb): New.
883         (force_move_args_size_note): New.
884         (combine_stack_adjustments_for_block): Use it.
885
886 2012-05-16  Olivier Hainque  <hainque@adacore.com>
887
888         * Makefile.in (install-no-fixedincludes): New target, former toplevel
889         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
890         Add comments and improve stamp preservation across the whole sequence.
891         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
892
893 2012-05-16  Richard Guenther  <rguenther@suse.de>
894
895         PR tree-optimization/53364
896         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
897         detect a view-conversion of the decl.
898
899 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
900
901         PR target/53358
902         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
903         that operands[2] is either immediate, or q_regs_operand.
904
905 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
906
907         Backport r187139 from mainline.
908         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
909
910         PR rtl-optimization/52804
911         * reload1.c (reload_reg_reaches_end_p): Check whether successor
912         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
913         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
914         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
915         RELOAD_FOR_OUTADDR_ADDRESS.
916
917 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
918
919         PR target/46098
920         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
921         generate target register for "load" class builtins.
922
923         Revert:
924         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
925
926         PR target/46098
927         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
928         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
929         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
930         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
931         (<sse>_movu<ssemodesuffix>): New expander.
932         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
933         (avx_movdqu<avxmodesuffix>): New expander.
934         (*sse2_movdqu): Rename from sse2_movdqu.
935         (sse2_movdqu): New expander.
936
937 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
938
939         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
940         lineno 1 the same as lineno 0 before first start file directive.
941         (optimize_macinfo_range): Likewise.
942
943         * dwarf2out.c (have_macinfo): Define.
944         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
945         attribute, don't force empty compilation unit and don't emit any
946         .debug_macinfo/.debug_macro section if macinfo_table is empty.
947
948 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
949
950         Backport from mainline
951         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
952
953         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
954         ORDERED and UNORDERED conditions.
955
956 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
957
958         * function.c (requires_stack_frame_p): If the function can throw
959         non-call exceptions, return true if the insn can throw internally.
960
961 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
962
963         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
964         DECL_ORIGINAL_TYPE if it is present.
965
966 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
967
968         Backport from 2012-05-12 mainline r187342.
969
970         PR target/53256
971         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
972         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
973         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
974         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
975         (expand_prologue): Move initialization of cfun->machine->is_naked,
976         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
977         (avr_set_current_function): ...this new static function.
978         (TARGET_SET_CURRENT_FUNCTION): New define.
979         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
980         checking attributes of current_function_decl.
981         (avr_regs_to_save): Ditto.
982         (signal_function_p): Rename to avr_signal_function_p.
983         (interrupt_function_p): Rename to avr_interrupt_function_p.
984
985         * doc/extend.texi (Function Attributes): Better explanation of
986         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
987         alphabetical order.
988
989 2012-05-09  Matthias Klose  <doko@ubuntu.com>
990
991         * gcc-ar.c (main): Don't check for execute bits for the plugin.
992
993 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
994
995         PR target/53272
996         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
997         when a constant source operand matches an "I" constraint, the "no
998         CC0 change" applies to a register-destination only, not a
999         strict_low_part-destination.
1000
1001 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1002
1003         Backport from mainline:
1004         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1005
1006         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1007
1008 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1009
1010         PR tree-optimization/53239
1011         * tree-vrp.c (get_value_range): Set VR of
1012         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1013         to nonnull.
1014
1015 2012-05-07  Richard Guenther  <rguenther@suse.de>
1016
1017         PR tree-optimization/53195
1018         * tree-inline.c (setup_one_parameter): Properly add referenced
1019         vars from the parameters new known value.
1020
1021 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1022
1023         Backport from mainline:
1024         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1025
1026         PR target/52999
1027         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1028         in constant pool.
1029
1030 2012-05-04  Ian Lance Taylor  <iant@google.com>
1031
1032         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1033         values from false to NULL.
1034
1035 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1036
1037         Backport from mainline
1038         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1039
1040         PR target/53228
1041         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1042         (TARGET_CMOV): Rename from TARGET_CMOVE.
1043         (TARGET_CMOVE): New define.
1044         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1045         Do not set TARGET_CMOVE here.
1046
1047 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1048
1049         Backport from mainline:
1050
1051         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1052
1053         PR tree-optimization/52633
1054         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1055         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1056         (vect_recog_over_widening_pattern): Remove handling of code that was
1057         already detected as over-widening pattern.  Remove special handling
1058         of "unsigned" cases.  Instead, support general case of conversion
1059         of the shift result to another type.
1060
1061         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1062
1063         * tree-vect-patterns.c (vect_single_imm_use): New function.
1064         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1065         (vect_recog_over_widening_pattern): Likewise.
1066         (vect_recog_widen_shift_pattern): Likewise.
1067
1068         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1069
1070         PR tree-optimization/52870
1071         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1072         presumed pattern statement is within the same loop or basic block.
1073
1074 2012-05-04  Richard Guenther  <rguenther@suse.de>
1075
1076         * common.opt (flto-report): Do not mark as Optimization.
1077
1078 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1079
1080         PR target/48496
1081         * recog.c (constrain_operands): If extra constraints are present, also
1082         accept pseudo-registers with equivalent memory locations during reload.
1083
1084 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1085
1086         Backport from the mainline
1087         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1088
1089         PR target/53199
1090         * config/rs6000/rs6000.md (bswapdi splitters): If
1091         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1092         default) is used, generate an alternate sequence that does not
1093         depend on using indexed addressing.
1094
1095 2012-05-03  David S. Miller  <davem@davemloft.net>
1096
1097         PR target/52684
1098         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1099         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1100         (sparc_emit_float_lib_cmp): Likewise.
1101
1102 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1103
1104         Backport from mainline
1105         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1106
1107         PR lto/52605
1108         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1109         of a variable when the contect is a function.
1110
1111 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1112
1113         PR plugins/53126
1114         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1115         append program name to it and pass that as first argument
1116         to make_relative_prefix.  Always pass standard_libexec_prefix
1117         as last argument to make_relative_prefix.  If
1118         make_relative_prefix returns NULL, fall back to
1119         standard_libexec_prefix.
1120
1121         PR debug/53174
1122         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1123         removed.
1124
1125         PR target/53187
1126         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1127         mode, return that mode.
1128
1129 2012-05-03  Richard Guenther  <rguenther@suse.de>
1130
1131         PR tree-optimization/53144
1132         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1133         Rename to ...
1134         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1135         with SSA name values.
1136         (vn_reference_lookup_3): Adjust callers.
1137
1138 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1139
1140         PR tree-optimization/53163
1141         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1142         return value from compute_all_dependences.
1143
1144         PR rtl-optimization/53160
1145         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1146         has been modified by ree pass already.
1147
1148 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1149
1150         Backport from mainline
1151         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1152
1153         PR middle-end/53136
1154         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1155         calls to cgraph_node_name in xstrdup.
1156         (ipa_make_edge_direct_to_target): Ditto.
1157         * tree-sra.c (convert_callers_for_node): Ditto.
1158         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1159         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1160         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1161         (cgraph_materialize_all_clones): Ditto.
1162         * ipa-inline.c (report_inline_failed_reason): Ditto.
1163         (want_early_inline_function_p): Ditto.
1164         (edge_badness): Ditto.
1165         (update_edge_key): Ditto.
1166         (flatten_function): Ditto.
1167         (ipa_inline): Ditto.
1168         (inline_always_inline_functions): Ditto.
1169         (early_inline_small_functions): Ditto.
1170
1171 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1172
1173         Backport from mainline
1174         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1175
1176         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1177         Introduce emul_name to select the right linker emulation for
1178         powerpc64-*-freebsd*.
1179         * configure: Regenerate.
1180         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1181         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1182         * config/rs6000/freebsd64.h: New file.
1183         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1184         POWERPC_FREEBSD.
1185         (rs6000_savres_strategy): Likewise.
1186         (rs6000_savres_routine_name): Likewise.
1187         (rs6000_elf_file_end): Likewise.
1188         * config/rs6000/t-freebsd64: New file.
1189         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1190         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1191
1192 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1193
1194         Backport from mainline
1195         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1196
1197         PR target/53138
1198         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1199
1200 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1201
1202         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1203         predicate to discriminate types.
1204
1205 2012-04-27  Richard Guenther  <rguenther@suse.de>
1206
1207         PR c/51527
1208         * convert.c (convert_to_integer): Avoid infinite recursion for
1209         target-defined built-in types.
1210
1211 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1212
1213         PR target/53120
1214         * config/cris/cris.md ("*andhi_lowpart_v32")
1215         ("*andqi_lowpart_v32"): Change first input-only operand from
1216         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1217         const_int-matching constraints for redundancy.
1218         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1219         three-operand alternative.
1220
1221 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1222
1223         Backport from mainline
1224         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1225
1226         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1227         (*addsi_2_zext): Ditto.
1228         (*add<mode>_3): Ditto.
1229         (*addsi_3_zext): Ditto.
1230         (*add<mode>_5): Ditto.
1231
1232 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1233
1234         PR c/52880
1235         * c-typeck.c (set_nonincremental_init,
1236         set_nonincremental_init_from_string): Pass true instead of false
1237         as IMPLICIT to add_pending_init.
1238
1239 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1240
1241         Backport from 2012-04-24 mainline r186768.
1242
1243         PR target/53065
1244         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1245
1246 2012-04-24  Richard Guenther  <rguenther@suse.de>
1247
1248         PR tree-optimization/53085
1249         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1250         stores.
1251
1252 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1253
1254         PR middle-end/53084
1255         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1256         of MEM_REF.
1257         (output_addressed_constants): Likewise.
1258
1259         PR middle-end/52999
1260         * varasm.c (get_section): Don't ICE for section conflicts with
1261         built-in section kinds.
1262
1263 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1264
1265         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1266
1267 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1268
1269         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1270
1271 2012-04-23  Richard Guenther  <rguenther@suse.de>
1272
1273         PR c/53060
1274         * c-typeck.c (build_binary_op): Fix typo.
1275
1276 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1277
1278         PR tree-optimizations/52891
1279         * tree-vect-patterns.c (adjust_bool_pattern): Use
1280         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1281         but with non-standard precision.
1282
1283 2012-04-22  Ian Lance Taylor  <iant@google.com>
1284
1285         * godump.c (go_output_typedef): Dump size of structs.
1286
1287 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1288
1289         Backport from mainline:
1290
1291         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1292         hints for 'A' operand types.
1293
1294 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1295
1296         Backport from 2012-04-19 mainline r186588.
1297
1298         PR target/53033
1299         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1300         the case *(X+const).
1301
1302 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1303
1304         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1305
1306 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1307
1308         PR target/53020
1309         * config/i386/sync.md (atomic_<code><mode>): Rename to
1310         atomic_<logic><mode>.
1311
1312 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1313
1314         Backport from mainline
1315         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1316
1317         PR target/52932
1318         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1319         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1320         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1321         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1322         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1323         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1324         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1325         gen_avx2_permvarv8sf.
1326
1327 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1328
1329         Backported from mainline
1330
1331         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1332         PR middle-end/52939
1333
1334         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1335         fold_ctor_reference returns a zero constant.
1336
1337 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1338
1339         Backported from mainline
1340         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1341
1342         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1343         and __ILP32__ for x32.
1344
1345 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1346
1347         Backport from mainline r186418.
1348
1349         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1350
1351         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1352         parameters vuse and vuse_escaped.
1353         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1354         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1355         vuse1 != vuse2.
1356
1357 2012-04-13  Richard Guenther  <rguenther@suse.de>
1358
1359         PR tree-optimization/52969
1360         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1361         the condition for the COND_EXPR and handle predicate negation
1362         by swapping the COND_EXPR arms.
1363
1364 2012-04-13  Richard Guenther  <rguenther@suse.de>
1365
1366         PR c/52862
1367         * convert.c (convert_to_pointer): Remove special-casing of
1368         zero.
1369
1370 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1371
1372         Backport from mainline
1373         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1374
1375         PR target/52775
1376         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1377         the list of options to enable the FCFID instruction.
1378         (TARGET_EXTRA_BUILTINS): Adjust comment.
1379
1380 2012-04-12  Richard Guenther  <rguenther@suse.de>
1381
1382         PR tree-optimization/52943
1383         * tree-chrec.h (chrec_is_positive): Remove.
1384         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1385         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1386         Return false for a constant zero instead of negative.
1387         (analyze_siv_subscript_cst_affine): Handle zero difference
1388         in the initial condition explicitely.
1389
1390 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1391
1392         PR middle-end/52894
1393         * varasm.c (process_pending_assemble_externals): Set
1394         pending_assemble_externals_processed true.
1395         (assemble_external): Call assemble_external_real if the pending
1396         assemble externals have been processed.
1397
1398 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1399
1400         PR target/52717
1401         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1402         the DECL generated for the special GOT helper.
1403
1404 2012-04-06  Walter Lee  <walt@tilera.com>
1405
1406         Backport from mainline
1407         2012-03-07  Walter Lee  <walt@tilera.com>
1408
1409         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1410         REG_CFA_* notes for the stack pointer.
1411         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1412         EH_RETURN_STACKADJ_RTX.
1413         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1414         generate REG_CFA_* notes for the stack pointer.
1415         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1416         by EH_RETURN_STACKADJ_RTX.
1417
1418 2012-04-06  Matt Turner  <mattst88@gmail.com>
1419
1420         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1421
1422 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1423
1424         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1425         of the destination isn't also a FP_REGS register.
1426
1427 2012-04-03  Richard Guenther  <rguenther@suse.de>
1428
1429         Backport from mainline
1430         2012-03-02  Richard Guenther  <rguenther@suse.de>
1431
1432         PR tree-optimization/52406
1433         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1434         (struct indices): Add unconstrained_base member.
1435         (struct dr_alias): Remove unused vops member.
1436         (DR_UNCONSTRAINED_BASE): New define.
1437         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1438         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1439         be an artificial access that covers the whole indexed object,
1440         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1441         plain decl base-objects to their MEM_REF variant.
1442         (dr_may_alias_p): When the base-object of either data reference
1443         has unknown size use only points-to information.
1444         (compute_affine_dependence): Make dumps easier to read and
1445         more verbose.
1446         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1447         DR_REF when looking for packed references.
1448         (vect_supportable_dr_alignment): Likewise.
1449
1450 2012-04-03  Richard Guenther  <rguenther@suse.de>
1451
1452         Backport from mainline
1453         2012-03-15  Richard Guenther  <rguenther@suse.de>
1454
1455         PR middle-end/52580
1456         * tree-data-ref.c (subscript_dependence_tester_1): Check
1457         all dimensions for non-conflicting access functions.
1458
1459 2012-04-03  Richard Guenther  <rguenther@suse.de>
1460
1461         Backport from mainline
1462         2012-03-06  Richard Guenther  <rguenther@suse.de>
1463
1464         PR middle-end/52493
1465         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1466
1467         2012-03-23  Richard Guenther  <rguenther@suse.de>
1468
1469         PR tree-optimization/52678
1470         * tree-vectorizer.h (struct _stmt_vec_info): Add
1471         loop_phi_evolution_part member.
1472         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1473         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1474         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1475         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1476         Use the cached evolution part and the PHI nodes value from
1477         the loop preheader edge instead of re-analyzing the evolution.
1478
1479         2012-03-26  Richard Guenther  <rguenther@suse.de>
1480
1481         PR tree-optimization/52701
1482         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1483         compute and set the evolution part of PHI nodes.
1484
1485         2012-03-30  Richard Guenther  <rguenther@suse.de>
1486
1487         PR tree-optimization/52754
1488         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1489         propagate arbitrary addresses into really plain dereferences.
1490
1491 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1492
1493         PR tree-optimization/52835
1494         * tree-data-ref.c (build_rdg): Return NULL if
1495         compute_data_dependences_for_loop failed.
1496
1497 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1498
1499         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1500         (stmt_can_make_abnormal_goto): Use it.
1501         (is_ctrl_altering_stmt): Likewise.
1502
1503 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1504
1505         Backported from mainline
1506         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1507
1508         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1509         is a builtin_stack_save in a dominating BB.
1510
1511 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1512
1513         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1514         crossing 128bit lane boundary.
1515
1516 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1517
1518         Backported from mainline
1519         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1520
1521         PR target/52698
1522         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1523         New prototype.
1524         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1525         * config/i386/i386.c: Include reload.h.
1526         (ix86_legitimize_reload_address): New function.
1527
1528 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1529
1530         Backported from mainline
1531         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1532
1533         PR middle-end/52693
1534         * tree-sra.c (sra_modify_assign): Do not call
1535         load_assign_lhs_subreplacements when working with an unscalarizable
1536         region.
1537
1538 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1539
1540         PR middle-end/52691
1541         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1542         __builtin_va_start to __builtin_next_arg if the latter is
1543         builtin_decl_explicit_p rather than when it is not.
1544
1545         PR middle-end/52750
1546         * tree-vect-generic.c (vector_element): Perform multiplication
1547         for pos in bitsizetype type instead of idx type.
1548
1549 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1550
1551         Backport from 2012-03-28 mainline r185910.
1552
1553         PR target/52692
1554         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1555         (avr_builtin_decl): New static function.
1556         (struct avr_builtin_description, avr_bdesc): Move up.
1557         Add GTY marker. Add field fndecl. Remove redundant field id.
1558         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1559         (avr_expand_builtin): Code cleanup because .id is removed.
1560
1561 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1562
1563         PR middle-end/51893
1564         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1565         targets.
1566
1567 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1568
1569         Backport from 2012-03-28 mainline r185907.
1570
1571         PR target/52737
1572         * config.gcc (tm_file): Remove avr/multilib.h.
1573
1574         * doc/invoke.texi (AVR Options): Adjust
1575         documentation of -mtiny-stack.
1576
1577         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1578         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1579         * config/avr/t-avr: Remove generation of multilib.h.
1580         * config/avr/t-multilib: Regenerate.
1581         * config/avr/multilib.h: Remove.
1582         * config/avr/avr.opt (-msp8): New option.
1583         (avr_sp8): New variable.
1584         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1585         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1586         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1587         (avr_device_to_sp8): New prototype.
1588         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1589         (DRIVER_SELF_SPECS): New define.
1590         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1591         __AVR_SP8__, __AVR_HAVE_SPH__.
1592         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1593         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1594         (avr_file_start): Ditto.
1595
1596 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1597
1598         PR target/52736
1599         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1600         instead of 8 in adjust_address.
1601
1602 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1603
1604         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1605         of a unit before computing the offset in units.
1606
1607 2012-03-27  Richard Guenther  <rguenther@suse.de>
1608
1609         PR middle-end/52720
1610         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1611         explicitely.
1612
1613 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1614
1615         PR target/52610
1616         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1617
1618 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1619
1620         PR middle-end/52640
1621         * varasm.c: Include pointer-set.h.
1622         (pending_assemble_externals_set): New pointer set.
1623         (process_pending_assemble_externals): Destroy the pointer set.
1624         (assemble_external): See if decl is in pending_assemble_externals_set,
1625         and add it to pending_assemble_externals if necessary.
1626         (init_varasm_once): Allocate pending_assemble_externals_set.
1627
1628 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1629
1630         Backported from mainline
1631         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1632
1633         PR target/50310
1634         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1635         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1636         (vector_ltgt<mode>): Likewise.
1637         (vector_ordered<mode>): Likewise.
1638         (vector_unordered<mode>): Likewise.
1639         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1640
1641 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1642
1643         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1644         Make static.
1645
1646 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1647
1648         Backported from mainline
1649         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1650
1651         PR target/48596
1652         PR target/48806
1653         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1654         GENERAL_REGS and FP_REGS for SImode.
1655
1656 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1657
1658         PR middle-end/52547
1659         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1660         on any new_local_var_chain vars declared during recursing on
1661         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1662
1663 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1664
1665         Backport from 2012-03-22 mainline r185692.
1666
1667         PR target/52496
1668         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1669         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1670         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1671         (delay_cycles_1, delay_cycles_2): Ditto.
1672         (delay_cycles_3, delay_cycles_4): Ditto.
1673         (nopv, *nopv): Ditto.
1674         (sleep, *sleep): Ditto.
1675         (wdr, *wdr): Ditto.
1676
1677         Backport from 2012-03-21 mainline r185605.
1678
1679         PR rtl-optimization/52543
1680         PR target/52461
1681         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1682         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1683         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1684         (avr_load_libgcc_p): Restrict to __flash loads.
1685         (avr_out_lpm): Only handle 1-byte loads from __flash.
1686         (avr_load_lpm): New function.
1687         (avr_find_unused_d_reg): Remove.
1688         (avr_out_lpm_no_lpmx): Remove.
1689         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1690         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1691         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1692         (load_<mode>, load_<mode>_clobber): New insns.
1693         (mov<mode>): For multi-byte move from non-generic
1694         16-bit address spaces: Expand to load_<mode> resp.
1695         load_<mode>_clobber.
1696         (load<mode>_libgcc): Remove expander.
1697         (split-lpmx): Remove split.
1698
1699         Backport from 2012-03-13 mainline r185329.
1700
1701         PR target/52488
1702         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1703         offset (size) to a value the insns can deal with.
1704         (expand_epilogue): Ditto.
1705
1706         Backport from 2012-03-12 mainline r185256.
1707
1708         PR target/52499
1709         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1710         type from reg_class_t to enum reg_class.
1711         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1712
1713         Backport from 2012-03-12 mainline r185253.
1714
1715         PR target/52148
1716         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1717         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1718         r184615 from 2012-02-28.
1719
1720         Backport from 2012-03-08 mainline r185105.
1721
1722         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1723         for constants in [-63,63].
1724
1725         Backport from 2012-03-08 mainline r185100.
1726
1727         PR target/52496
1728         * config/avr/avr.c (avr_mem_clobber): New static function.
1729         (avr_expand_delay_cycles): Add memory clobber operand to
1730         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1731         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1732         (enable_interrupt, disable_interrupt): New expander.
1733         (nopv, sleep, wdr): New expanders.
1734         (delay_cycles_1): Add memory clobber.
1735         (delay_cycles_2): Add memory clobber.
1736         (delay_cycles_3): Add memory clobber.
1737         (delay_cycles_4): Add memory clobber.
1738         (cli_sei): New insn from former "enable_interrupt",
1739         "disable_interrupt" with memory clobber.
1740         (*wdt): New insn from former "wdt" with memory clobber.
1741         (*nopv): Similar, but for "nopv".
1742         (*sleep): Similar, but for "sleep".
1743
1744         Backport from 2012-03-07 mainline r185043.
1745
1746         PR target/52484
1747         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1748
1749         Backport from 2012-03-07 mainline r185032.
1750
1751         PR target/52506
1752         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1753         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1754         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1755
1756         Backport from 2012-03-07 mainline r185031.
1757
1758         PR target/52505
1759         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1760         from RAM.
1761         * config/avr/avr.md (xload_8): Adjust insn length.
1762
1763         Backport from 2012-03-07 mainline r185030.
1764
1765         PR target/52461
1766         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1767         if RAMPZ affects reading from RAM.
1768
1769         Backport from 2012-03-05 mainline r184919.
1770
1771         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1772
1773 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1774
1775         Backport from mainline r185259.
1776
1777         PR other/52545
1778         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1779         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1780
1781 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1782
1783         Backported from mainline
1784         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1785
1786         PR c/52577
1787         * c-parser.c (c_parser_postfix_expression)
1788         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1789
1790         * config/i386/smmintrin.h: Avoid /* within a comment.
1791         * config/i386/nmmintrin.h: Likewise.
1792
1793 2012-03-22  Richard Guenther  <rguenther@suse.de>
1794
1795         * BASE-VER: Set to 4.7.1.
1796         * DEV-PHASE: Set to prerelease.
1797
1798 2012-03-22  Release Manager
1799
1800         * GCC 4.7.0 released.
1801
1802 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1803
1804         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1805
1806 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1807             Andrew Pinski  <apinski@cavium.com>
1808
1809         PR middle-end/52592
1810         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1811         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1812         calls instead of __builtin_ir{int,ound}*.
1813
1814 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1815
1816         PR c++/52582
1817         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1818         if c_node is NULL.
1819
1820 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1821
1822         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1823         Refer to GCC 4.7 version of c99status.html.
1824
1825 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1826
1827         Backport from mainline
1828         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1829
1830         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1831         redefine to be NULL if the current bit-size is different from the
1832         configured bit-size.
1833
1834         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1835         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1836         set the default tuning.  Add asserts to make sure the cpu and tune
1837         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1838         test whether the index is set, instead of > 0.
1839         (rs6000_file_start): Do not reset the default cpu if the current
1840         bit-size is different from the configured bit-size.
1841
1842 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1843
1844         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1845         binutils reference.
1846         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1847         Update binutils references.
1848         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1849         Update binutils reference.
1850         Update Sun as/GNU ld caveat.
1851         Document binutils largefile requirement for LTO plugin.
1852         Remove reference to alternate libpthread.
1853
1854 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1855
1856         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1857         reference.
1858         (Specific, mips-sgi-irix6): Likewise.
1859
1860 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1861
1862         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1863         * configure: Regenerate.
1864
1865 2012-03-07  Richard Henderson  <rth@redhat.com>
1866
1867         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1868         * config/m68k/sync.md (atomic_test_and_set): Use it.
1869         (atomic_test_and_set_1): Likewise.
1870
1871 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1872
1873         PR target/51417
1874         * Makefile.in: Let install-gcc-ar depend on installdirs,
1875         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1876         Don't double canonicalize if cross-compiling.
1877
1878 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1879
1880         * trans-mem.c: New typedef for tm_region_p.
1881         Define vector types for tm_region_p.
1882         (tm_region_init): Replace region_worklist to a vector called
1883         bb_regions.
1884
1885 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1886
1887         PR middle-end/52463
1888         * trans-mem.c (tm_region_init): Use last_basic_block.
1889
1890 2012-03-05  Richard Henderson  <rth@redhat.com>
1891
1892         PR tree-opt/52242
1893         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1894         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1895         BIGGEST_ALIGNMENT is aligned.
1896
1897 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1898
1899         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1900
1901 2012-03-05  Richard Henderson  <rth@redhat.com>
1902
1903         PR target/52481
1904         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1905         instead of calling negqi2 directly.
1906
1907 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1908
1909         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1910         (INTMAX_TYPE): Use it.
1911         (UINTMAX_TYPE): Likewise.
1912         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1913         (irix6_c_common_override_options): Declare.
1914         (C_COMMON_OVERRIDE_OPTIONS): Define.
1915         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1916         * config/mips/irix6-c.c: New file.
1917         * config/mips/t-irix6 (irix6-c.o): New target.
1918         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1919         cxx_target_objs.
1920
1921 2012-03-02  Richard Henderson  <rth@redhat.com>
1922
1923         * optabs.c (expand_atomic_test_and_set): Honor
1924         atomic_test_and_set_trueval even when atomic_test_and_set
1925         optab is not in use.
1926
1927 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1928
1929         Backport from mainline
1930         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1931
1932         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1933
1934 2012-03-02  Richard Guenther  <rguenther@suse.de>
1935
1936         * DEV-PHASE: Set to prerelease.
1937
1938 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1939
1940         * config.gcc (obsolete): Add all ARM targets using the FPA.
1941         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1942         * doc/install.texi: Avoid references to obsolete ARM ports.
1943
1944 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1945
1946         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1947
1948 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1949             Joern Rennecke  <joern.rennecke@embecosm.com>
1950
1951         * doc/extend.texi: Expand and update information on interrupt
1952         attribute for Epiphany.
1953
1954 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1955
1956         * config/sh/sh-protos.h: Update copyright notice dates.
1957         * config/sh/sh.h: Likewise.
1958         * config/sh/sh.md: Likewise.
1959         * config/sh/constraints.md: Likewise.
1960         * config/sh/predicates.md: Likewise.
1961
1962 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1963
1964         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1965         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1966
1967 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1968
1969         * config/sh/constraints.md: Fix comment typo.
1970
1971 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1972
1973         PR target/52408
1974         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1975         unsigned HOST_WIDE_INT.
1976         (zvdep_imm64): Likewise.
1977         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1978         (vdepi_and): Likewise.
1979         Likewise for unamed 64-bit patterns.
1980         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1981
1982 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1983
1984         PR debug/52001
1985         PR rtl-optimization/52417
1986         * cselib.c (cselib_any_perm_equivs): New variable.
1987         (cselib_reset_table): Check that it's not set when not
1988         preserving constants.
1989         (cselib_add_permanent_equiv): Set it.
1990         (cselib_have_permanent_equivalences): New.
1991         (cselib_init, cselib_finish): Reset it.
1992         * cselib.h (cselib_have_permanent_equivalences): Declare.
1993         * alias.c (get_addr): Restore earlier behavior when there
1994         aren't permanent equivalences.
1995
1996 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1997
1998         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1999         * config/v850/v850-modes.def: Fix copyright notice.
2000
2001 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2002
2003         * doc/extend.texi (AVR Built-in Functions): Document
2004         __builtin_avr_flash_segment.
2005
2006         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2007         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2008         (*split.flash_segment): New insn-and-split.
2009         * config/avr/avr.c (avr_init_builtins): Add local variables:
2010         const_memx_void_node, const_memx_ptr_type_node,
2011         char_ftype_const_memx_ptr.
2012
2013 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2014
2015         PR tree-optimization/52445
2016         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2017         add ssa_name_ver, offset and size fields and change store field
2018         to bool.
2019         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2020         (add_or_mark_expr): Likewise.  Only consider previous stores
2021         with the same size and offset.
2022         (nt_init_block): Only look at gimple_assign_single_p stmts,
2023         doesn't look at rhs2.
2024
2025 2012-03-01  Richard Guenther  <rguenther@suse.de>
2026
2027         PR middle-end/52443
2028         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2029         conversions from integral types to pointer types.
2030
2031 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2032
2033         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2034         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2035         unintentionally removed in r184616.
2036
2037 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2038
2039         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2040         3DNow from bdver1.
2041
2042 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2043             Uros Bizjak  <ubizjak@gmail.com>
2044
2045         PR target/52437
2046         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2047         alternatives, add "e" constraint to the new last alternative
2048         and ! to last 3 alternatives.
2049
2050 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2051
2052         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2053         DW_AT_artificial attributes at the end of the processing.
2054         (gen_array_type_die): Likewise.
2055         (gen_enumeration_type_die): Likewise.
2056         (gen_struct_or_union_type_die): Likewise.
2057         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2058         the parent type.
2059
2060 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2061
2062         PR middle-end/52419
2063         * expr.c (expand_assignment): If doing misaligned store that doesn't
2064         cover all mode bits, perform a RMW cycle.
2065
2066         PR tree-optimization/52429
2067         * tree-parloops.c (separate_decls_in_region_debug): Return early
2068         if var is LABEL_DECL.
2069
2070 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2071
2072         PR tree-optimization/52424
2073         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2074         calling dom_thread_across_edge.
2075
2076 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2077
2078         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2079
2080 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2081
2082         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2083         * config/avr/avr.c (avr_output_bld): Remove unused function.
2084         (avr_out_sbxx_branch): Use "%T" to print bit position.
2085
2086 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2087
2088         * config/avr/avr.md: Untabify.
2089
2090 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2091
2092         * config/avr/avr.md (eqne): New code iterator.
2093         (*dec-and-branchsi): Use it in text peephole's condition.
2094         (*dec-and-branchhi): Ditto.
2095         (*dec-and-branchqi): Ditto.
2096
2097 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2098
2099         PR target/49939
2100         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2101         the device does not have the skip-bug.
2102
2103 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2104
2105         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2106         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2107         -mpretend-cmove): New.
2108
2109 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2110
2111         PR bootstrap/52397
2112         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2113         doesn't count DEBUG_INSN refs.
2114         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2115         for DEBUG_INSN refs.
2116
2117 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2118
2119         Partially revert:
2120
2121         2012-02-20  Richard Guenther  <rguenther@suse.de>
2122         PR tree-optimization/52298
2123         * tree-vect-stmts.c (vectorizable_load): Properly use
2124         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2125         outer loops.
2126
2127 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2128
2129         PR middle-end/51752
2130         * gimple.h (gimple_in_transaction): New.
2131         (gimple_set_in_transaction): New.
2132         (struct gimple_statement_base): Add in_transaction field.
2133         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2134         transaction loads.
2135         (tree_ssa_lim_initialize): Compute transaction bits.
2136         * tree.h (compute_transaction_bits): Protoize.
2137         * trans-mem.c (tm_region_init): Use the heap to store BB
2138         auxilliary data.
2139         (compute_transaction_bits): New.
2140
2141 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2142
2143         * gcc.c (display_help): Document --help=common and sort entries
2144         alphabetically.
2145
2146 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2147
2148         * doc/install.texi: Document check-$LANG specific shortcuts
2149
2150 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2151
2152         PR target/51534
2153         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2154         and vcgtu.
2155         * config/arm/arm_neon.h: Regenerate.
2156         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2157         (neon_vcgeu): New insn.
2158         (neon_vcgtu): Likewise.
2159         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2160         (ops): Unsigned comparison intrinsics call a different
2161         builtin.
2162
2163 2012-02-28  Richard Guenther  <rguenther@suse.de>
2164
2165         PR target/52407
2166         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2167         ordering for the VEC_CONCAT for two element vectors for
2168         V2SFmode, V2SImode and V2DImode.
2169
2170 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2171
2172         PR target/49448
2173         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2174         detecting big-endian triplets.
2175
2176 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2177
2178         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2179         mode if there is no type information available.
2180
2181 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2182
2183         PR tree-optimization/53207
2184         * doc/invoke.texi: Document as experimental and relying on graphite.
2185
2186 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2187
2188         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2189         of initializer to changes from r184614.
2190
2191 2012-02-28  Richard Guenther  <rguenther@suse.de>
2192
2193         PR tree-optimization/52395
2194         * tree-sra.c (build_ref_for_offset): Also look at the base
2195         TYPE_ALIGN when figuring out the alignment of the replacement.
2196
2197 2012-02-28  Richard Guenther  <rguenther@suse.de>
2198
2199         PR tree-optimization/52402
2200         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2201         mis-aligned types when creating the accesses at the call site.
2202
2203 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2204
2205         * config/avr/builtins.def: New file.
2206         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2207         * config/avr/avr.c (enum avr_builtin_id): Use it.
2208         (avr_init_builtins): Use it. And use avr_bdesc.
2209         (bdesc_1arg): Remove.
2210         (bdesc_2arg): Remove.
2211         (bdesc_3arg): Remove.
2212         (struct avr_builtin_description): Add field n_args.
2213         (avr_bdesc): New static variable using builtins.def.
2214         (avr_expand_builtin): Use it.
2215         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2216         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2217         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2218
2219 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2220
2221         PR target/52148
2222         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2223         match only one single hard register with respective hard reg rtx.
2224         (movmemx_<mode>): Ditto.
2225         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2226         insn anatomy of movmem[x]_<mode>.
2227         (avr_out_movmem): Same for printing assembler and operand usage.
2228
2229 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2230
2231         PR target/49868
2232         PR target/52261
2233         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2234         address spaces located outside of device flash.
2235
2236         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2237         (mcu_type_s): Add field n_flash.
2238         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2239         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2240         (AVR_MCU): Add N_FLASH argument.
2241         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2242         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2243         macro __FLASH<n> if that address space makes sense for the device.
2244         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2245         outside of target flash.
2246         (avr_asm_named_section): Ditto.
2247         (avr_asm_select_section): Ditto.
2248         (avr_addr_space_convert): Ditto.
2249         (avr_emit_movmemhi): Ditto.
2250         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2251         address space is outside of device flash.
2252         (avr_insert_attributes): Ditto.
2253         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2254         avr_current_arch->n_segments.
2255
2256 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2257
2258         PR target/52352
2259         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2260         TARGET_LP64.
2261         (*movabs<mode>_2): Likewise.
2262
2263 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2264
2265         PR target/52375
2266         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2267         s_register_operand in the test instead of REG_P.  Don't call
2268         gen_reg_rtx if it won't be used.
2269
2270         PR tree-optimization/52376
2271         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2272
2273 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2274
2275         * ifcvt.c (noce_get_condition): Check condition variable is not
2276         small_register_classes_for_mode_p before accepting.
2277
2278 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2279
2280         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2281
2282 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2283
2284         Revert:
2285         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2286         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2287         tuning parameters.
2288         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2289
2290 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2291
2292         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2293
2294 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2295
2296         * config/sh/predicates.md: Remove blank lines.
2297         * config/sh/sh.c: Fix typos in comments.
2298         * config/sh/constraints.md: Likewise.
2299         * config/sh/sh.md: Remove blank lines.
2300         Fix typos in comments.  Use ;; as comment characters.
2301
2302 2012-02-26  Walter Lee  <walt@tilera.com>
2303
2304         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2305         (replace_mov_pcrel_step2): Ditto.
2306
2307 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2308
2309         PR debug/52001
2310         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2311         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2312         and locs that reference values newer than the non-canonical value
2313         at hand.  Return the canonical value as a worst case.
2314         (memrefs_conflict_p): Walk canonical value's locs.
2315
2316         PR debug/52001
2317         * cselib.c (preserve_only_constants): Rename to...
2318         (preserve_constants_and_equivs): ... this.  Split out...
2319         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2320         of other preserved expressions too.
2321         (cselib_reset_table): Adjust.
2322         * var-tracking.c (reverse_op): Use canonical value to build
2323         reverse operation.
2324
2325 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2326
2327         * config/i386/i386.c (ix86_delegitimize_address): Handle
2328         UNSPEC_PCREL plus displacement.
2329
2330 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2331
2332         PR target/52261
2333         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2334         to test for unusedness in st X addressing.
2335
2336 2012-02-24  Richard Guenther  <rguenther@suse.de>
2337
2338         PR middle-end/52361
2339         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2340         (is_gimple_reg_type): Move inline ...
2341         * gimple.h (is_gimple_reg_type): ... here.
2342
2343 2012-02-24  Richard Guenther  <rguenther@suse.de>
2344
2345         PR middle-end/52361
2346         * passes.c (execute_function_todo): When verifying SSA form
2347         verify gimple form first.
2348         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2349
2350 2012-02-24  Richard Guenther  <rguenther@suse.de>
2351
2352         PR middle-end/52355
2353         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2354         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2355
2356 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2357
2358         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2359
2360 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2361
2362         * tree-phinodes.c (make_phi_node): Mark static.
2363         * tree-flow.h (make_phi_node): Remove extern decl.
2364         * doc/gimple.texi (make_phi_node): Remove documentation.
2365
2366 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2367
2368         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2369         * tree-ssa-sccvn.c (print_scc): Ditto.
2370
2371 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2372
2373         * doc/passes.texi (Full redundancy elimination): Fix typo.
2374
2375 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2376
2377         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2378
2379 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2380
2381         PR bootstrap/52287
2382         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2383
2384 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2385
2386         PR c/52290
2387         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2388
2389 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2390
2391         * config/avr/avr.md (code_stdname): Add ior, xor.
2392         (xior): New code iterator.
2393         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2394         (*<code_stdname><mode>qi.byte1-3): Ditto.
2395
2396 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2397
2398         PR tree-optimization/52019
2399         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2400         CLOBBER stmts.
2401
2402 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2403
2404         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2405         HAVE_INITFINI_ARRAY to work around namespace pollution in
2406         certain versions of newlib system headers.
2407         * config.in: Regenerate.
2408         * configure: Regenerate.
2409         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2410         instead of HAVE_INITFINI_ARRAY.
2411
2412 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2413
2414         PR target/52330
2415         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2416         is not offsettable memory reference.
2417
2418 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2419
2420         PR target/18145
2421         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2422         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2423
2424 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2425
2426         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2427         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2428
2429 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2430
2431         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2432         library on Solaris 8 even without TLS support.
2433         * configure: Regenerate.
2434
2435 2012-02-22  Richard Guenther  <rguenther@suse.de>
2436
2437         PR middle-end/52329
2438         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2439         for GIMPLE_DEBUG stmts.
2440
2441 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2442
2443         PR middle-end/51782
2444         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2445         according to the base object.
2446
2447 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2448
2449         PR rtl-optimization/50063
2450         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2451         and 2 (8-bit SP) in operand 2.
2452         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2453         setup to use movhi_sp_r instead of vanilla move to write SP.
2454         Adjust REG_CFA notes to superseed unspec.
2455         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2456         of vanilla move.
2457         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2458         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2459         irq_state 1 (IRQ known to be on) here.
2460
2461 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2462
2463         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2464         WORDS_BIG_ENDIAN.
2465         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2466         assign_hard_reg): Likewise.
2467
2468 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2469
2470         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2471
2472 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2473
2474         * config/avr/avr.md
2475         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2476         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2477
2478 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2479
2480         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2481         prototype from here to...
2482         * config/avr/avr.h: ...here.
2483
2484 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2485
2486         PR target/52294
2487         * thumb2.md (thumb2_shiftsi3_short): Split register and
2488         immediate shifts.  For register shifts tie operands 0 and 1.
2489         (peephole2 for above): Check that register-controlled shifts
2490         have suitably tied operands.
2491
2492 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2493
2494         PR target/52137
2495         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2496         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2497         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2498         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2499         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2500         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2501         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2502         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2503         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2504         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2505         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2506         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2507         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2508         bdver1_ssevector_avx256_unaligned_load,
2509         bdver1_ssevector_sse128_unaligned_load,
2510         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2511         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2512         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2513         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2514         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2515         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2516         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2517         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2518         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2519         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2520         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2521         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2522         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2523         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2524         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2525         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2526         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2527         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2528         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2529         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2530         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2531         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2532         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2533         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2534         bdver1_ssediv_double_load, bdver1_ssediv_double,
2535         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2536         Add "bdver2" attribute.
2537
2538 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2539
2540         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2541         default if possible and not specified otherwise.
2542
2543 2012-02-21  Richard Guenther  <rguenther@suse.de>
2544
2545         PR middle-end/52314
2546         * gimplify.c (create_tmp_from_val): Use the main variant type
2547         for the type of the temporary we create.
2548
2549 2012-02-21  Richard Guenther  <rguenther@suse.de>
2550
2551         PR tree-optimization/52324
2552         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2553         do not gimplify a MEM_REF address operand if it is already
2554         in suitable form.
2555
2556 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2557
2558         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2559         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2560
2561 2012-02-21  Richard Guenther  <rguenther@suse.de>
2562
2563         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2564         nested_in_vect_loop.
2565
2566 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2567
2568         PR tree-optimization/52318
2569         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2570         vdef also to non-pure/const call stmts in the sequence.
2571
2572 2012-02-20  David S. Miller  <davem@davemloft.net>
2573
2574         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2575         don't use the "rd %pc" instruction on v9 for PIC register loads.
2576
2577 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2578
2579         PR middle-end/52141
2580         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2581         in a transaction safe function.
2582
2583 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2584
2585         PR target/52238
2586         * stor-layout.c (place_field): Handle desired_align for
2587         ms-bitfields, too.
2588
2589 2012-02-20  Richard Guenther  <rguenther@suse.de>
2590
2591         PR tree-optimization/52298
2592         * tree-vect-stmts.c (vectorizable_store): Properly use
2593         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2594         outer loops.
2595         (vectorizable_load): Likewise.
2596         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2597         Access DR_STEP after ensuring it is not NULL.
2598
2599 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2600
2601         PR tree-optimization/52286
2602         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2603         optimization use double_int_to_tree instead of build_int_cst_wide,
2604         rewrite to use double_int vars.
2605
2606 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2607
2608         PR target/50166
2609         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2610         Define _start.
2611         Remove -e 0 from $gcc_cv_ld invocation.
2612         Only use __GLIBC_PREREQ if defined.
2613         Enable on Solaris since Solaris 8 patch.
2614         (gcc_SUN_LD_VERSION): New macro.
2615         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2616         gcc_SUN_LD_VERSION for version number format.
2617         * configure: Regenerate.
2618         * varasm.c (get_elf_initfini_array_priority_section): Set
2619         SECTION_NOTYPE for non-default priority.
2620         Use get_section instead of get_unnamed_section to emit
2621         .init_array/.fini_array with default priority.
2622
2623 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2624
2625         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2626         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2627         (mips_start_unique_function, mips_output_mips16_rdhwr)
2628         (mips_code_end): New functions.
2629         (TARGET_ASM_CODE_END): Define.
2630
2631 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2632
2633         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2634         to stubs with non-sibling calls.
2635
2636 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2637
2638         * doc/invoke.texi (-fira-* options): Copy-edit.
2639         (ira-* parameters): Copy-edit.
2640
2641 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2642
2643         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2644         GCC coding conventions.
2645
2646 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2647
2648         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2649         when used as adjectives.
2650
2651 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2652
2653         * doc/invoke.texi: Clean up "that"/"which" confusion.
2654
2655 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2656
2657         * system.h: Poison SMALL_REGISTER_CLASSES
2658         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2659         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2660
2661 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2662
2663         PR tree-optimization/52285
2664         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2665         when deciding if a call is a tail call or tail recursion.
2666
2667 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2668
2669         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2670         interger-constant displacement for UNSPEC_PCREL.
2671
2672 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2673
2674         PR rtl-optimization/52208
2675         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2676         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2677
2678         PR tree-optimization/52255
2679         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2680         loop->header has virtual PHI, but exit_e->dest doesn't, add
2681         virtual PHI to exit_e->dest and adjust all uses after the loop.
2682
2683         PR debug/52260
2684         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2685         children with clone_tree_hash, not after it.
2686
2687 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2688
2689         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2690         extended identifiers.
2691
2692 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2693
2694         PR middle-end/51929
2695         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2696         a same_body_alias, also test whether e->callee isn't a former
2697         or current clone of the decl this is a same body alias of.
2698
2699         PR translation/52264
2700         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2701
2702 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2703
2704         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2705
2706 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2707
2708         PR target/52199
2709         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2710         force_reg instead of copy_to_reg for better optimization.  Force
2711         non-register or memory operands into a register.
2712
2713 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2714
2715         * extend.texi: Reserve upper bits of memory model for future use.
2716
2717 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2718             Anatoly Sokolov <aesok@post.ru>
2719             Eric Weddington <eric.weddington@atmel.com>
2720
2721         PR target/52261
2722         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2723         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2724         Rewrite initializers for .macro.
2725         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2726         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2727         atxmega32d4, atxmega32x1.
2728         avrxmega4: atxmega64a3, atxmega64d3.
2729         avrxmega5: atxmega64a1, atxmega64a1u.
2730         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2731         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2732         avrxmega7: atxmega128a1, atxmega128a1u.
2733         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2734         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2735         (struct base_arch_s): Rename reserved to xmega_p.
2736         Rename reserved2 to have_rampd.
2737         (AVR_XMEGA): New define.
2738         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2739         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2740         * config/avr/predicates.md (io_address_operand): Take into
2741         account SFR offset.
2742         (low_io_address_operand): Ditto.
2743         (high_io_address_operand): Ditto.
2744         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2745         (enabled, movhi_sp_r): Use them.
2746         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2747         cpp_define_formatted to built-in define __AVR_ARCH__.
2748         (__AVR_XMEGA__): New built-in define.
2749         (__AVR_HAVE_RAMPD__): New built-in define.
2750         (__AVR_HAVE_RAMPX__): New built-in define.
2751         (__AVR_HAVE_RAMPY__): New built-in define.
2752         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2753
2754         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2755         (avr_option_override): Initialize them.
2756         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2757         (avr_init_expanders): Initialize them. No more block several calls.
2758         (emit_push_sfr): New static function.
2759         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2760         Handle AVR_XMEGA.
2761         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2762         (avr_print_operand): Print addreeses as symbols for
2763         RAMPX, RAMPY, RAMPD, CCP.
2764         (output_movhi): Handle AVR_XMEGA when writing to SP.
2765         (avr_out_movhi_mr_r_xmega): New static function.
2766         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2767         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2768         __RAMPD__,  __CCP__ as needed.
2769
2770         * config/avr/multilib.h: Regenerate.
2771         * config/avr/t-multilib: Regenerate.
2772         * config/avr/avr-tables.opt: Regenerate.
2773
2774 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2775
2776         PR tree-optimization/50561
2777         * graphite-flattening.c (lst_project_loop): Do not
2778         remove old scattering dimensions after flattening.
2779         (lst_do_flatten): Likewise.
2780
2781 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2782
2783         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2784         __builtin_avr_map8, __builtin_avr_map16.
2785         Document __builtin_avr_insert_bits.
2786
2787         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2788         (insert_bits): New insn.
2789         (adjust_len.map_bits): Rename to insert_bits.
2790         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2791         * avr-protos.h (avr_out_map_bits): Remove.
2792         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2793         * config/avr/constraints.md (Cxf,C0f): New.
2794         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2795         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2796         New built-in define __BUILTIN_AVR_INSERT_BITS.
2797         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2798         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2799         (avr_move_bits): Rewrite.
2800         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2801         functions.
2802         (avr_map_op_t): New typedef.
2803         (avr_map_op): New static variable.
2804         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2805         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2806         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2807         (bdesc_3arg, avr_expand_triop_builtin): New.
2808         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2809         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2810         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2811         (avr_map_equal_p, avr_map_sig_p): Remove.
2812         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2813         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2814         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2815         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2816         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2817         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2818
2819 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2820
2821         * config/c6x/c6x.md (reserve_cycles): New attribute.
2822         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2823         don't reserve functional units after the branch occurs.
2824
2825 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2826
2827         PR middle-end/52142
2828         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2829         functions into non-tm_pure functions.
2830
2831 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2832
2833         PR lto/52178
2834         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2835         (iterative_hash_canonical_type): Likewise.
2836         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2837         the dead edges.
2838
2839 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2840
2841         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2842         sched-group insn, it either remains alone or the entire list is pruned.
2843
2844 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2845
2846         * doc/install.texi (Prerequisites): Fix grammar.
2847         (Configuration): Likewise.
2848
2849 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2850
2851         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2852         MPC as part of GCC before describing configuring with --with-gmp etc.
2853         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2854         sources are present.
2855
2856 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2857
2858         PR debug/51950
2859         * dwarf2out.c (clone_tree_hash): New function.
2860         (copy_decls_walk): Use it instead of clone_tree.
2861
2862 2012-02-14  Richard Guenther  <rguenther@suse.de>
2863
2864         PR tree-optimization/52244
2865         PR tree-optimization/51528
2866         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2867         replacements for integral types.
2868
2869 2012-02-14  Walter Lee  <walt@tilera.com>
2870
2871         * config.gcc: Handle tilegx and tilepro.
2872         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2873         tilegx and tilepro.
2874         Add HAVE_AS_TLS check for tilegx and tilepro.
2875         * configure: Regenerate.
2876         * doc/contrib.texi: Add Mat Hostetter and self.
2877         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2878         Document instruction intrinsics and network accessing intrinsics.
2879         (TILEPro Built-in Functions): New node.  Document instruction
2880         intrinsics and network accessing intrinsics.
2881         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2882         (Specific, tilepro-*-linux*): Likewise.
2883         * doc/invoke.texi (TILE-Gx Options): New section.
2884         (TILEPro Options): New section.
2885         * doc/md.texi (TILE-Gx): New section.
2886         (TILEPro): New section.
2887         * common/config/tilegx/tilegx-common.c: New file.
2888         * common/config/tilepro/tilepro-common.c: New file.
2889         * config/tilegx/constraints.md: New file.
2890         * config/tilegx/linux.h: New file.
2891         * config/tilegx/mul-tables.c: New file.
2892         * config/tilegx/predicates.md: New file.
2893         * config/tilegx/sync.md: New file.
2894         * config/tilegx/t-tilegx: New file.
2895         * config/tilegx/tilegx-builtins.h: New file.
2896         * config/tilegx/tilegx-c.c: New file.
2897         * config/tilegx/tilegx-generic.md: New file.
2898         * config/tilegx/tilegx-modes.def: New file.
2899         * config/tilegx/tilegx-multiply.h: New file.
2900         * config/tilegx/tilegx-protos.h: New file.
2901         * config/tilegx/tilegx.c: New file.
2902         * config/tilegx/tilegx.h: New file.
2903         * config/tilegx/tilegx.md: New file.
2904         * config/tilegx/tilegx.opt: New file.
2905         * config/tilepro/constraints.md: New file.
2906         * config/tilepro/gen-mul-tables.cc: New file.
2907         * config/tilepro/linux.h: New file.
2908         * config/tilepro/mul-tables.c: New file.
2909         * config/tilepro/predicates.md: New file.
2910         * config/tilepro/t-tilepro: New file.
2911         * config/tilepro/tilepro-builtins.h: New file.
2912         * config/tilepro/tilepro-c.c: New file.
2913         * config/tilepro/tilepro-generic.md: New file.
2914         * config/tilepro/tilepro-modes.def: New file.
2915         * config/tilepro/tilepro-multiply.h: New file.
2916         * config/tilepro/tilepro-protos.h: New file.
2917         * config/tilepro/tilepro.c: New file.
2918         * config/tilepro/tilepro.h: New file.
2919         * config/tilepro/tilepro.md: New file.
2920         * config/tilepro/tilepro.opt: New file.
2921
2922 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2923
2924         PR tree-optimization/52210
2925         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2926         vect_model_simple_cost with two entry vect_def_type array instead
2927         of an address of dt.
2928
2929 2012-02-14  Richard Guenther  <rguenther@suse.de>
2930
2931         PR lto/52178
2932         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2933         Do not stream DECL_QUALIFIER.
2934         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2935         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2936         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2937
2938 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2939
2940         PR c/52181
2941         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2942         newdecl.
2943
2944 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2945
2946         PR bootstrap/52172
2947         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2948         * cselib.c (cselib_subst_to_values_from_insn): New function.
2949         * sched-deps.c (add_insn_mem_dependence,
2950         sched_analyze_1, sched_analyze_2): Use it.
2951
2952 2012-02-13  Jan Hubicka  <jh@suse.cz>
2953
2954         PR middle-end/52214
2955         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2956
2957 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2958
2959         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2960         (GTM_SELF_SPECS): Define if not already defined.
2961         (driver_self_specs): Add GTM_SELF_SPECS.
2962         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2963         (GTM_SELF_SPECS): Define.
2964         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2965         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2966
2967 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2968
2969         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2970         away if seen.
2971
2972         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2973
2974         PR middle-end/52230
2975         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2976         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2977
2978 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2979
2980         PR c/52190
2981         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2982
2983 2012-02-13  Richard Guenther  <rguenther@suse.de>
2984
2985         PR translation/52211
2986         * passes.c (enable_disable_pass): Fix typo.
2987
2988 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2989
2990         PR middle-end/52209
2991         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2992         XOR for reduce_bit_field if type is unsigned.
2993
2994 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2995
2996         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2997         disallow changes from SFmode to mode with different size in FP regs.
2998
2999 2012-02-12  Robert Millan  <rmh@gnu.org>
3000             Gerald Pfeifer <gerald@pfeifer.com>
3001
3002         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3003         Tweak comment.
3004
3005 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3006
3007         PR rtl-optimization/52175
3008         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3009         to frame-related instructions.
3010
3011 2012-02-10  Jason Merrill  <jason@redhat.com>
3012
3013         PR c++/51910
3014         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3015         (demangle_new_symbols): Fill it.
3016         (scan_linker_output): Walk it.
3017         (start_tweaking): Split out from scan_linker_output.
3018         (maybe_tweak): Update sym->chosen.
3019         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3020
3021 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3022
3023         PR debug/52132
3024         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3025
3026 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3027
3028         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3029         having the same mode as previous compare.
3030
3031 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3032
3033         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3034         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3035         (nonlocal_goto_internal): Likewise.
3036         (nonlocal_goto): Emit a use and an indirect jump directly.
3037
3038 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3039
3040         PR c/52190
3041         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3042         __atomic_{is,always}_lock_free.
3043
3044 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3045
3046         PR target/52146
3047         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3048         negative constant address for x32.
3049
3050 2012-02-10  Richard Henderson  <rth@redhat.com>
3051
3052         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3053         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3054         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3055
3056 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3057             Ira Rosen  <irar@il.ibm.com>
3058
3059         PR tree-optimization/50031
3060         * targhooks.c (default_builtin_vectorization_cost): Handle
3061         vec_promote_demote.
3062         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3063         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3064         all types of reduction and pattern statements.
3065         (vect_estimate_min_profitable_iters): Likewise.
3066         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3067         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3068         for explicit realigns.
3069         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3070         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3071         vec_promote_demote.
3072         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3073         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3074         vec_perm for VSX and handle vec_promote_demote.
3075
3076 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3077
3078         PR middle-end/52177
3079         * builtins.c (fold_builtin_atomic_always_lock_free,
3080         expand_builtin_atomic_always_lock_free,
3081         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3082         Return and/or test boolean_true_node/boolean_false_node instead of
3083         integer_one_node/integer_zero_node.
3084
3085 2012-02-10  Jan Hubicka  <jh@suse.cz>
3086
3087         PR middle-end/48600
3088         * predict.c (predict_paths_for_bb): Prevent looping.
3089         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3090
3091 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3092
3093         * config/arm/arm.c (output_move_double): In one case properly
3094         count number of instructions that will be emitted.
3095
3096 2012-02-10  Richard Guenther  <rguenther@suse.de>
3097
3098         PR translation/52193
3099         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3100
3101 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3102
3103         PR middle-end/52140
3104         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3105
3106 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3107
3108         PR debug/52165
3109         * var-tracking.c (emit_note_insn_var_location): If
3110         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3111         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3112         non-NOTE_DURING_CALL_P insn.
3113
3114 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3115
3116         PR middle-end/51867
3117         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3118
3119 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3120
3121         PR driver/48524
3122         * gcc.c (switch_matches) Support switches with separated form,
3123         -D and -U.
3124
3125 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3126
3127         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3128         (SP_ADDR): Ditto.
3129         (RAMPZ_ADDR): Ditto.
3130         * config/avr/avr.c (avr_addr_t): New typedef.
3131         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3132         (avr_init_expanders): Initialize it.
3133         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3134         SREG_ADDR.
3135         (expand_epilogue): Ditto.
3136         (avr_print_operand): Ditto.
3137         (avr_file_start): Ditto.
3138         (avr_emit_movmemhi): Ditto.
3139
3140 2012-02-08  Richard Guenther  <rguenther@suse.de>
3141
3142         PR tree-optimization/46886
3143         * tree-flow.h (do_while_loop_p): Declare.
3144         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3145         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3146
3147 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3148
3149         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3150         always succeed for integers larger than a native word.
3151
3152 2012-02-08  Richard Guenther  <rguenther@suse.de>
3153
3154         PR rtl-optimization/52170
3155         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3156         properly handle integer vector modes.
3157
3158 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3159
3160         PR gcov-profile/52150
3161         * coverage.c: Include target.h.
3162         (build_var): Call targetm.strip_name_encoding on the assembler name.
3163         Change one _ into . or $ if the target allows it.
3164         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3165
3166         PR rtl-optimization/52139
3167         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3168         is a BARRIER after emit_insn_after_noloc, move BB_END
3169         to the last non-BARRIER insn before it.
3170
3171 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3172
3173         PR middle-end/24306
3174         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3175         (mips_gimplify_va_arg_expr): Call it instead of
3176         std_gimplify_va_arg_expr.
3177
3178 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3179
3180         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3181         message for -mno-pointers-to-nested-function.
3182
3183 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3184
3185         PR middle-end/51994
3186         * expr.c (get_inner_reference): If there is an offset, add a negative
3187         bit position to it (if any).
3188
3189 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3190
3191         PR rtl-optimization/52060
3192         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3193         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3194         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3195         and/or i0src_copy2 when needed.
3196
3197 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3198
3199         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3200         or LTOPLUGINSONAME if have_c.
3201
3202         * config/freebsd-spec.h: Add comment about what macros can be defined
3203         in this header.
3204         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3205         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3206         here instead.
3207
3208 2012-02-07  Richard Guenther  <rguenther@suse.de>
3209
3210         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3211         newline in -alias dumps.
3212
3213 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3214             Dave Korn  <dave.korn.cygwin@gmail.com>
3215
3216         PR target/40068
3217         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3218         Take care that typinfo gets dllexport-attribute.
3219
3220 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3221
3222         PR middle-end/52074
3223         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3224         if modifier < EXPAND_SUM call force_operand on the result.
3225
3226 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3227
3228         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3229         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3230         present.
3231         (epiphany_function_type): Replace types for specific interrupts with
3232         EPIPHANY_FUNCTION_INTERRUPT.
3233         (EPIPHANY_INTERRUPT_P): Update.
3234         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3235         New static function.
3236         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3237         <disinterrupt>: Affects type identity.
3238         (epiphany_handle_interrupt_attribute): Handle variable number of
3239         arguments.
3240         (epiphany_compute_function_type): Update for new
3241         epiphany_function_type definition.
3242         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3243         handlers with a longcall forwarder.
3244         (epiphany_start_function): Handle multiple interrupt arguments and/or
3245         forwarder_section attribute.
3246
3247         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3248         libgloss.
3249
3250 2012-02-07  Alan Modra  <amodra@gmail.com>
3251
3252         PR target/52107
3253         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3254         subregs of TFmode.
3255
3256 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3257
3258         PR tree-optimization/50969
3259         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3260         use vec_perm rather than vector_stmt.
3261         (vect_model_load_cost): Likewise.
3262         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3263         vec_perm to be the same as other vector statements.
3264         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3265         cost of vec_perm for TARGET_VSX.
3266
3267 2012-02-06  Richard Guenther  <rguenther@suse.de>
3268
3269         PR tree-optimization/52115
3270         * tree-sra.c (access_has_replacements_p): New function.
3271         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3272
3273 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3274
3275         PR middle-end/52047
3276         * trans-mem.c (expand_call_tm): Add an assertion.
3277         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3278         functions.
3279
3280 2012-02-06  Richard Guenther  <rguenther@suse.de>
3281
3282         PR tree-optimization/50955
3283         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3284         raise cost of expressions that replace an address with an
3285         expression based on a different pointer.
3286
3287 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3288
3289         PR target/52129
3290         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3291         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3292
3293 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3294
3295         PR c++/48680
3296         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3297         -Weffc++ and specify guidelines come from second edition.
3298
3299 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3300
3301         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3302         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3303         (call_direct_split, call_value_split, call_value_internal_direct)
3304         (call_value_direct_split, call_value_multiple_split): Use jal and
3305         jal_macro attributes.
3306
3307 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3308
3309         * reload1.c (reload_regs_reach_end_p): Replace with...
3310         (reload_reg_rtx_reaches_end_p): ...this function.
3311         (new_spill_reg_store): Update commentary.
3312         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3313         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3314         before setting new_spill_reg_store.
3315         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3316         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3317         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3318         for non-spill reload registers.
3319
3320 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3321
3322         PR tree-optimization/52091
3323         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3324         (vect_is_simple_use_1): Likewise.
3325         * tree-vect-loop.c (vectorizable_reduction): Update calls
3326         to vect_is_simple_use_1 and vect_is_simple_use.
3327         (vectorizable_live_operation): Likewise.
3328         * tree-vect-patterns.c (widened_name_p,
3329         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3330         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3331         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3332         vectorizable_shift,vectorizable_operation, vectorizable_store,
3333         vectorizable_load): Likewise.
3334         (vect_is_simple_cond): Add an argument, pass it to
3335         vect_is_simple_use_1.
3336         (vectorizable_condition): Update calls to vect_is_simple_cond,
3337         vect_is_simple_use.
3338         (vect_is_simple_use): Add an argument, the statement in which
3339         OPERAND is used.  Check that if OPERAND's def stmt is a double
3340         reduction phi node, the use is a phi node too.
3341         (vect_is_simple_use_1): Add an argument, pass it to
3342         vect_is_simple_use.
3343         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3344         to vect_is_simple_use.
3345
3346 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3347
3348         PR rtl-optimization/52095
3349         * modulo-sched.c (dump_insn_locator): New function.
3350         (loop_canon_p, sms_schedule): Use it.
3351
3352         PR rtl-optimization/52113
3353         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3354         even for decomposable shift/zext insns.
3355
3356 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3357             Zdenek Dvorak  <ook@ucw.cz>
3358
3359         PR rtl-optimization/52092
3360         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3361         on get_iv_value result.
3362
3363 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3364
3365         PR middle-end/47982
3366         PR middle-end/43967
3367         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3368
3369 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3370
3371         PR middle-end/48071
3372         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3373
3374 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3375
3376         PR rtl-optimization/49800
3377         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3378         (sched_finish): Call regstat_free_n_sets_and_refs.
3379
3380 2012-02-02  Jia Liu  <proljc@gmail.com>
3381
3382         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3383         than operand 2.
3384
3385 2012-02-02  Jan Hubicka  <jh@suse.cz>
3386             Tom de Vries  <tom@codesourcery.com>
3387
3388         PR middle-end/51998
3389         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3390         * varpool.c (varpool_analyze_pending_decls): Likewise.
3391
3392 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3393             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3394
3395         * config.gcc: Add cr16-* support.
3396
3397         * doc/extend.texi: Document cr16 extensions.
3398         * doc/install.texi: Document cr16 install.
3399         * doc/invoke.texi: Document cr16 options.
3400         * doc/md.texi: Document cr16 constraints.
3401
3402         * common/config/cr16/cr16-common.c: New file.
3403         * config/cr16/cr16.c: New file.
3404         * config/cr16/cr16.h: New file.
3405         * config/cr16/cr16.md: New file.
3406         * config/cr16/cr16.opt: New file.
3407         * config/cr16/cr16-protos.h: New file.
3408         * config/cr16/predicates.md: New file.
3409         * config/cr16/constraints.md: New file.
3410         * config/cr16/t-cr16: New file.
3411
3412 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3413
3414         PR target/52086
3415         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3416         that operands[2] is either immediate, or q_regs_operand.
3417
3418         PR tree-optimization/52073
3419         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3420         a pattern stmt for pattern uses, ignore uses outside of the loop.
3421
3422 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3423
3424         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3425         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3426         (OUT_AS1, OUT_AS2): Remove.
3427
3428 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3429
3430         PR rtl-optimization/51374
3431         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3432         to cross other volatile_refs_p insns.
3433
3434 2012-02-01  Richard Guenther  <rguenther@suse.de>
3435
3436         * doc/invoke.texi (fno-inline): Clarify documentation.
3437         (finline-small-functions): Likewise.
3438         (finline-functions): Likewise.
3439         * common.opt (finline): Adjust comment and documentation.
3440         (finline-small-functions): Clarify documentation.
3441         (finline-functions): Likewise.
3442         (finline-functions-called-once): Likewise.
3443
3444 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3445
3446         * c-typeck.c (composite_type): Keep mode for pointers.
3447
3448 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3449
3450         * function.h (regno_reg_rtx): Adjust comment.
3451         * reginfo.c (init_reg_modes_target): Only use the previous mode
3452         if it fits within one register.  Remove MIPS comment.
3453
3454 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3455
3456         PR bootstrap/52058
3457         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3458
3459 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3460
3461         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3462         to srak instruction.
3463
3464 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3465
3466         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3467
3468 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3469
3470         PR bootstrap/52041
3471         PR bootstrap/52039
3472         PR target/51974
3473         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3474
3475 2012-01-31  Richard Guenther  <rguenther@suse.de>
3476
3477         PR tree-optimization/51528
3478         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3479         assigns.
3480
3481 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3482
3483         PR bootstrap/52041
3484         PR bootstrap/52039
3485         PR target/51974
3486         * ree.c (add_removable_extension): Change def_map argument
3487         to unsigned *, store in def_map 1 + offset into *insn_list vector
3488         instead of pointers into the vector.
3489         (find_removable_extensions): Adjust caller.
3490
3491 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3492
3493         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3494         Transform all "* quoted-c-code" to { c-code }.
3495         Remove redundant test for "optimize" in combine patterns.
3496         Move (include "avr-dimode.md") to end of file.
3497
3498 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3499
3500         PR target/51835
3501         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3502         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3503
3504 2012-01-30  Richard Guenther  <rguenther@suse.de>
3505
3506         PR tree-optimization/52028
3507         * tree-loop-distribution.c (ldist_gen): Properly update
3508         virtual SSA form.
3509
3510 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3511
3512         PR debug/52027
3513         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3514         set_cur_line_info_table if not emitting debug info.
3515
3516         PR tree-optimization/52046
3517         * tree-vect-patterns.c (check_bool_pattern): Give up if
3518         a comparison could throw.
3519
3520         PR debug/52048
3521         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3522
3523 2012-01-30  Richard Guenther  <rguenther@suse.de>
3524
3525         PR tree-optimization/52045
3526         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3527         SSA form if cfgcleanup did anything.
3528
3529 2012-01-30  Richard Guenther  <rguenther@suse.de>
3530
3531         PR tree-optimization/52045
3532         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3533         before computing final todo.
3534
3535 2012-01-30  Richard Guenther  <rguenther@suse.de>
3536
3537         PR tree-optimization/51528
3538         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3539   &nbs