OSDN Git Service

PR target/54029
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-07-19  Christian Bruel  <christian.bruel@st.com>
2
3         PR target/54029
4         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
5
6 2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>
7
8        * config.gcc (v850-*-rtems*): New target.
9        * config/v850/rtems.h: New.
10        * config/v850/t-rtems: New.
11
12 2012-07-18  Nick Clifton  <nickc@redhat.com>
13
14         * doc/invoke.texi (ARM Options): Document -munaligned-access.
15
16 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
17
18         PR target/53961
19
20         Backport from mainline
21         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
22
23         PR target/53110
24         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
25         instead expand it as zero extension.
26
27 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
28
29         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
30         QImode and HImode splitters.  Use ix86_comparison_operator.
31         Explicitly match FLAGS_REG.
32         (DFmode cmove splitter): Explicitly match FLAGS_REG.
33
34 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
35             Steven Bosscher  <steven@gcc.gnu.org>
36             Bernd Schmidt  <bernds@codesourcery.com>
37
38         PR rtl-optimization/53908
39         * df-problems.c (can_move_insns_across): When doing
40         memory-reference book-keeping, handle call insns.
41
42 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
43
44         Backport from mainline
45         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
46
47         PR target/53811
48         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
49         sibcall_insn_operand.  Move it to a temporary register if not.
50
51         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
52
53         PR target/53853
54         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
55         emit PIC sequence for fnaddr symbol reference in advance.
56
57 2012-07-09  Jason Merrill  <jason@redhat.com>
58
59         PR c++/53882
60         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
61         (type_hash_eq): Likewise.
62
63         PR c++/53826
64         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
65
66 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
67
68         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
69         due to negative shift amount.
70
71 2012-07-06  Kai Tietz  <ktietz@redhat.com>
72
73         Backport from mainline.
74         PR bootstrap/52947
75         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
76         as "/mingw/include".
77
78 2012-07-06  Nick Clifton  <nickc@redhat.com>
79
80         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
81         default_encode_section_info.
82
83 2012-07-06  Richard Guenther  <rguenther@suse.de>
84
85         Backport from mainline
86         2012-03-30  Richard Guenther  <rguenther@suse.de>
87
88         PR middle-end/52786
89         * double-int.c (rshift_double): Remove not needed cast.
90
91         2012-03-28  Richard Guenther  <rguenther@suse.de>
92
93         PR middle-end/50708
94         * double-int.h (rshift_double): Remove.
95         * double-int.c (lshift_double): Use absu_hwi to make count
96         positive.
97         (rshift_double): Make static, take unsigned count argument,
98         remove handling of negative count argument.
99         (double_int_rshift): Dispatch to lshift_double.
100
101 2012-07-06  Richard Guenther  <rguenther@suse.de>
102
103         Backport from mainline
104         2012-06-18  Richard Guenther  <rguenther@suse.de>
105
106         PR tree-optimization/53693
107         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
108         Reject operands with more than one use.
109
110 2012-07-06  Richard Guenther  <rguenther@suse.de>
111
112         Backport from mainline
113         2012-04-11  Richard Guenther  <rguenther@suse.de>
114
115         PR middle-end/52621
116         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
117         consider loop nesting.
118         (evolution_function_is_univariate_p): Properly check the remainder
119         for chrecs.
120
121 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
122
123         Backport from mainline
124         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
125
126         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
127         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
128         (adjacent_mem_locations): Move some code to and call...
129         (get_memref_parts): ...new function.
130         (mem_locations_overlap): New function.
131         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
132         (is_mem_ref): Rename to...
133         (find_mem_ref): ...this. Return MEM rtx.
134         (get_store_dest): Remove function.
135         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
136         new parameter and adjust calls.
137         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
138         mem refs overlap for true_store_to_load_dep_costly.
139         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
140         passed to adjacent_mem_locations.
141         (is_costly_group): Walk resolved dependency list.
142         (force_new_group): Emit group ending nop for Power6/Power7.
143         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
144         (group_ending_nop): New define_insn.
145
146 2012-07-04  Richard Guenther  <rguenther@suse.de>
147
148         PR middle-end/53433
149         * gimple-fold.c (get_base_constructor): Do not return an
150         error_mark_node DECL_INITIAL.
151
152 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
153
154         Backport from mainline
155         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
156
157         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
158         code model string in the error message.
159
160 2012-07-04  Tristan Gingold  <gingold@adacore.com>
161
162         Backport from mainline.
163         2012-06-25  Tristan Gingold  <gingold@adacore.com>
164
165         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
166         (seh_cfa_adjust_cfa): ... that function.
167         (seh_emit_stackalloc): Do not emit out of range values.
168         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
169         UNSPEC_DEF_CFA constants.
170         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
171         * config/i386/i386.c (ix86_frame_pointer_required): Required
172         for very large frames on SEH target.
173         (ix86_compute_frame_layout): Save area is before frame pointer
174         on SEH target.  Handle very large frames.
175         (ix86_expand_prologue): Likewise.
176
177 2012-07-04  Richard Guenther  <rguenther@suse.de>
178
179         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
180         as in free_lang_data_in_type.
181
182 2012-07-02  Martin Jambor  <mjambor@suse.cz>
183
184         Backport from mainline.
185         2012-07-02  Martin Jambor  <mjambor@suse.cz>
186
187         PR middle-end/38474
188         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
189         dynamic type change check.
190
191 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
192
193         * tree-eh.c (lower_try_finally_switch): Really put the location of the
194         last statement of the finally block onto the switch.
195
196 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
197
198         * configure: Regenerate.
199
200         Backport from mainline.
201         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
202
203         * config.gcc (target_type_format_char): New. Document it. Set it for
204         arm*-*-* .
205         * configure.ac (gnu_unique_option): Use target_type_format_char
206         in test.  Comment rationale.
207
208 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
209
210         Backport from mainline.
211         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
212
213         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
214
215 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
216
217         Backport from 2012-06-28 mainline r189049
218
219         PR 53595
220         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
221         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
222         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
223         avr_hard_regno_call_part_clobbered.
224
225 2012-06-28  Richard Guenther  <rguenther@suse.de>
226
227         PR middle-end/53790
228         * expr.c (expand_expr_real_1): Verify if the type is complete
229         before inspecting its size.
230
231 2012-06-27  Nick Clifton  <nickc@redhat.com>
232
233         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
234         input operand.
235
236 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
237
238         PR debug/53682
239         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
240
241 2012-06-26  Nick Clifton  <nickc@redhat.com>
242
243         * config/rx/rx.md (simple_return): Use the simple_return rtx.
244
245 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
246
247         PR target/53759
248         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
249         of x x x in the vmovlps load alternative.
250
251 2012-06-22  Richard Guenther  <rguenther@suse.de>
252
253         * gcov-iov.c: Include bconfig.h and system.h.
254
255 2012-06-22  Richard Guenther  <rguenther@suse.de>
256
257         PR gcov-profile/53744
258         * gcov-iov.c (main): Treat "" and "prerelease" the same.
259
260 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
261
262         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
263         DECL_IGNORED_P non-reg vars even if they are used.
264
265 2012-06-19  Jason Merrill  <jason@redhat.com>
266
267         PR c++/52637
268         * dwarf2out.c (modified_type_die): Use scope_die_for.
269         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
270         (uses_local_type_r, uses_local_type): New.
271         (scope_die_for): Keep a type that uses a local type in local scope.
272         Use get_context_die for namespace and type scope.
273
274 2012-06-19  Richard Guenther  <rguenther@suse.de>
275
276         PR middle-end/53470
277         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
278         replace it with the first non-BLOCK context.
279
280 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
281
282         PR rtl-optimization/53700
283
284         Backport from mainline
285         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
286
287         * ira-color.c (setup_left_conflict_sizes_p): Process all
288         conflicting objects.
289
290 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
291
292         Backport from mainline
293         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
294
295         PR target/52908
296         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
297         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
298         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
299         instead of xop_mulv2div2di3_low.
300         (xop_p<macs>dql): Fix vec_select selector.
301         (xop_p<macs>dqh): Ditto.
302         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
303         (xop_mulv2div2di3_high): Ditto.
304
305 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
306
307         Backport from mainline:
308         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
309
310         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
311
312 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
313
314         Backport from mainline:
315         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
316
317         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
318         * config/pa/pa.c (pa_attr_length_millicode_call): Use
319         MAX_PCREL17F_OFFSET instead of fixed offset.
320         (pa_attr_length_call): Likewise.
321         (pa_attr_length_indirect_call): Likewise.
322
323 2012-06-15  Walter Lee  <walt@tilera.com>
324
325         Backport from mainline:
326         2012-06-15  Walter Lee  <walt@tilera.com>
327
328         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
329
330         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
331
332         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
333
334 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
335
336         Backport from mainline:
337
338         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
339         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
340         * gimple.h (block_in_transaction): Check for flag_tm.
341
342 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
343
344         PR tree-optimization/52558
345
346         Backport from mainline:
347         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
348         * gimple.h (gimple_set_in_transaction): Remove.
349         (gimple_in_transaction): Look in BB instead.
350         (gimple_statement_base): Remove in_transaction field.
351         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
352         * trans-mem.c (compute_transaction_bits): Place transaction bit
353         information into basic blocks.
354
355         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
356
357         PR tree-optimization/52558
358         * cfg.c (alloc_aux_for_edge): Fix comment.
359         (alloc_aux_for_edge): Remove static.
360         * basic-block.h (alloc_aux_for_edge): Protoize.
361         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
362         (execute_sm_if_changed_flag): New.
363         (execute_sm_if_changed_flag_set): New.
364         (execute_sm): Do not generate data races unless requested.
365         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
366         (tree_ssa_lim_finalize): Call free_aux_for_edges.
367         * gimple.h (block_in_transaction): New.
368         (gimple_in_transaction): Use block_in_transaction.
369
370 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
371
372         Backported from mainline
373         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
374
375         PR rtl-optimization/53589
376         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
377         discovery even when e->dest != target.  If any LABEL_REF points
378         to e->dest label, redirect it to target's label.
379
380         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
381
382         PR middle-end/53580
383         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
384         returns false, replace stmt with GIMPLE_NOP.
385         (check_omp_nesting_restrictions): Instead of issuing warnings,
386         issue errors and return false if any errors were reported.
387
388 2012-06-14  Richard Guenther  <rguenther@suse.de>
389
390         * BASE-VER: Set to 4.7.2.
391         * DEV-PHASE: Set to prerelease.
392
393 2012-06-12  Christian Bruel  <christian.bruel@st.com>
394
395         PR target/53621
396         * config/sh/sh.c (sh_option_override): Don't force
397          flag_omit_frame_pointer and maccumulate_outgoing_args.
398         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
399
400 2012-06-14  Release Manager
401
402         * GCC 4.7.1 released.
403
404 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
405
406         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
407
408 2012-06-13  Richard Henderson  <rth@redhat.com>
409
410         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
411         iterator instead of INT.
412
413 2012-06-08  Richard Henderson  <rth@redhat.com>
414
415         PR c++/53602
416         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
417         note to a clobber insn when no other insn is available.
418
419 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
420
421         PR c++/53524
422         * doc/invoke.texi (Wenum-compare): Update documentation.
423
424 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
425
426         PR target/53559
427         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
428         operands.
429         (altivec_stvlxl): Ditto.
430         (altivec_stvrx): Ditto.
431         (altivec_stvrxl): Ditto.
432
433 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
434
435         PR middle-end/47530
436         * trans-mem.c (expand_block_edges): Do not skip the first
437         statement when resetting the BB.
438
439 2012-06-04  Richard Guenther  <rguenther@suse.de>
440
441         PR middle-end/53471
442         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
443         create new assembler names.
444
445 2012-06-04  Richard Guenther  <rguenther@suse.de>
446
447         Backport from mainline
448         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
449
450         PR middle-end/52979
451         * stor-layout.c (get_best_mode): Don't return mode with bitsize
452         larger than maxbits.  Don't compute maxbits modulo align.
453         Also check that unit bytes long store at bitpos / unit * unit
454         doesn't affect bits beyond bitregion_end.
455         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
456         would not fit into bitregion_start ... bitregion_end + 1 bit
457         region.
458         (store_split_bit_field): Decrease unit close to end of bitregion_end
459         if access is restricted in order to avoid mutual recursion.
460
461 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
462
463         Backport from 2012-06-04 mainline r188172
464
465         PR target/46261
466         * config/avr/avr-stdint.h: New file.
467         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
468         newlib-stdint.h
469
470 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
471
472         PR tree-optimization/53550
473         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
474         is POINTER_TYPE_P, use sizetype as step type instead of type.
475
476 2012-06-04  Richard Guenther  <rguenther@suse.de>
477             Eric Botcazou  <ebotcazou@adacore.com>
478
479         Backport from mainline
480         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
481
482         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
483         Change type of BITOFFSET to signed.  Make sure the lower bound of
484         the computed range is non-negative by adjusting OFFSET and BITPOS.
485         (expand_assignment): Adjust call to get_bit_range.
486
487         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
488
489         * expr.c (get_bit_range): Return the null range if the enclosing record
490         is part of a larger bit field.
491
492         2012-03-20  Richard Guenther  <rguenther@suse.de>
493
494         * stor-layout.c (finish_bitfield_representative): Fallback
495         to conservative maximum size if the padding up to the next
496         field cannot be computed as a constant.
497         (finish_bitfield_layout): If we cannot compute the distance
498         between the start of the bitfield representative and the
499         bitfield member start a new representative.
500         * expr.c (get_bit_range): The distance between the start of
501         the bitfield representative and the bitfield member is zero
502         if the field offsets are not constants.
503
504         2012-03-16  Richard Guenther  <rguenther@suse.de>
505
506         * stor-layout.c (finish_bitfield_representative): Fall back
507         to the conservative maximum size if we cannot compute the
508         size of the tail padding.
509
510         2012-03-14  Richard Guenther  <rguenther@suse.de>
511
512         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
513         * stor-layout.c (start_bitfield_representative): New function.
514         (finish_bitfield_representative): Likewise.
515         (finish_bitfield_layout): Likewise.
516         (finish_record_layout): Call finish_bitfield_layout.
517         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
518         for QUAL_UNION_TYPE fields.
519         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
520         Stream DECL_BIT_FIELD_REPRESENTATIVE.
521         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
522
523         PR middle-end/52080
524         PR middle-end/52097
525         PR middle-end/48124
526         * expr.c (get_bit_range): Unconditionally extract bitrange
527         from DECL_BIT_FIELD_REPRESENTATIVE.
528         (expand_assignment): Adjust call to get_bit_range.
529
530 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
531
532         PR middle-end/53501
533         * fold-const.c (fold_binary_loc): Refine previous change.
534
535 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
536
537         Backport from mainline
538         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
539
540         PR target/52667
541         * config/sh/sh.c (find_barrier): Add equality check of last_got to
542         avoid going above orig insn.  Update comments.
543
544 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
545
546         Backport from mainline
547         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
548
549         PR target/52642
550         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
551         prologue for unwinder and profiler.
552
553 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
554
555         Backport from mainline
556         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
557
558         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
559
560 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
561
562         Backport from mainline
563         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
564
565         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
566         DBX_REGISTER_NUMBER.
567
568 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
569
570         Backport from mainline
571         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
572
573         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
574         operand is CONST_INT.  Take COSTS_N_INSNS into account.
575         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
576         shiftcosts.     
577
578 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
579
580         * config/avr/avr.opt (-msp8): Document it.
581         * doc/invoke.texi (AVR Options): Copy from trunk docu.
582
583 2012-05-31  Richard Guenther  <rguenther@suse.de>
584
585         PR middle-end/48493
586         * expr.c (expand_assignment): Do not use movmisalign on
587         non-memory.
588
589 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
590
591         PR target/52999
592         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
593         (pa_section_type_flags): New.
594         (pa_legitimate_constant_p): Revert previous change.
595
596 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
597
598         Backport from mainline
599         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
600
601         PR middle-end/53008
602         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
603         accessed indirectly.
604         (ipa_tm_create_version): Same.
605
606 2012-05-30  Jason Merrill  <jason@redhat.com>
607
608         PR c++/53220
609         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
610         about array compound literals.
611
612 2012-05-30  Richard Guenther  <rguenther@suse.de>
613
614         PR middle-end/53501
615         * fold-const.c (fold_binary_loc): Make sure to call
616         fold_plusminus_mult_expr with the original sign of operands.
617
618 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
619
620         * explow.c (probe_stack_range): Restore simple control flow and stop
621         again when the probe cannot be generated if HAVE_check_stack.
622
623 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
624
625         PR rtl-optimization/53519
626         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
627         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
628
629 2012-05-29  Richard Guenther  <rguenther@suse.de>
630
631         PR tree-optimization/53516
632         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
633         bitfield accesses.
634         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
635
636 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
637
638         Backport from mainline
639         2012-05-28  Richard Guenther  <rguenther@suse.de>
640
641         PR tree-optimization/53438
642         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
643
644 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
645
646         Backport from mainline
647         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
648
649         PR rtl-optimization/52528
650         * combine.c (can_combine_p): Add setting of subst_low_luid
651         before call to expand_field_assignment().
652
653 2012-05-26  Martin Jambor  <mjambor@suse.cz>
654
655         Backport from mainline
656         2012-05-23  Martin Jambor  <mjambor@suse.cz>
657
658         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
659
660 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
661
662         PR lto/52178
663         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
664         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
665
666 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
667
668         PR target/53435
669         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
670         (ix86_expand_vec_perm): Use int mode instead of float.
671
672 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
673
674         PR ada/52362
675         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
676         gnu_ld variables to yes.
677         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
678         (HAVE_GNU_AS): Likewise.
679         * config.in: Regenerate.
680         * configure: Likewise.
681
682 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
683
684         Backport from mainline
685         2012-03-12  Richard Guenther  <rguenther@suse.de>
686         * config/arm/arm.c (neon_dereference_pointer): Do not call
687         covert during RTL expansion.
688
689 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
690
691         Backport from mainline
692         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
693
694         PR target/53385
695         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
696         relied on signed overflow behavior.
697
698 2012-05-24  Richard Guenther  <rguenther@suse.de>
699
700         PR middle-end/53460
701         * tree-profile.c (tree_profiling): Cleanup the CFG if
702         execute_fixup_cfg requests it.
703
704 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
705
706         PR tree-optimization/53465
707         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
708         vr0 into *vr, then vrp_meet that.
709         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
710         have any equivalences.
711         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
712         first time.
713
714 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
715
716         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
717         size handling.
718         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
719         (iterative_hash_gimple_type): Adjust comment.
720         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
721         domain for an array type instead of the domain type itself.
722
723 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
724
725         Backport from 2012-05-23 mainline r187803
726
727         PR target/53448
728         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
729         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
730         ASM_OUTPUT_ALIGN.
731
732 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
733
734         Backport from 2012-05-03 mainline r187075
735
736         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
737         has_fma4 for AMD processors with both fma3 and fma4 support.
738
739 2012-05-22  Richard Guenther  <rguenther@suse.de>
740
741         PR tree-optimization/53408
742         * tree-vect-loop.c (vectorizable_induction): Properly check
743         the restriction that we cannot handle induction results from
744         the inner loop outside of the outer loop.
745
746 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
747
748         PR tree-optimization/53436
749         * omp-low.c (omp_build_component_ref): New function.
750         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
751
752         PR tree-optimization/53366
753         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
754         tests if complex_numbers == 2, but there are non-complex number loads
755         too.
756
757         PR tree-optimization/53409
758         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
759         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
760
761         PR tree-optimization/53410
762         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
763         instead of build_int_cst (type, 0) where vector types might be
764         involved.
765
766 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
767
768         PR c/53418
769         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
770         from folded operands before wrapping another around the
771         conditional expression.
772
773 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
774             Patrick Marlier  <patrick.marlier@gmail.com>
775
776         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
777         indirect calls.
778
779 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
780
781         Backport from mainline
782         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
783
784         PR target/53416
785         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
786         (UNSPECV_RDRAND): This.
787         (rdrand<mode>_1): Updated.
788
789 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
790
791         Backport from mainline
792         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
793
794         * config/i386/driver-i386.c (host_detect_local_cpu): Support
795         RDRND, F16C and FSGSBASE.
796
797 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
798
799         Backport from mainline
800         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
801
802         * tree-ssa-pre.c (can_value_number_call): Delete.
803         (compute_avail): Skip all statements with side effects.
804         <GIMPLE_CALL>: Skip calls to internal functions.
805
806 2012-05-18  David S. Miller  <davem@davemloft.net>
807
808         Backport r185385 from mainline
809         2012-03-14  Richard Guenther  <rguenther@suse.de>
810
811         PR middle-end/52584
812         * tree-vect-generic.c (type_for_widest_vector_mode): Take
813         element type instead of mode, use build_vector_type_for_mode
814         instead of the langhook, build a vector of proper signedness.
815         (expand_vector_operations_1): Adjust.
816
817 2012-05-18  Olivier Hainque  <hainque@adacore.com>
818
819         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
820         $(libsubdir) as libexecsubdir.
821
822 2012-05-16  Andrew Pinski  <apinski@cavium.com>
823
824         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
825         GIMPLE_ASSIGN.
826
827 2012-05-16  David S. Miller  <davem@davemloft.net>
828
829         * jump.c (delete_related_insns): If we remove a CALL, make sure
830         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
831
832 2012-05-16  Richard Henderson  <rth@redhat.com>
833
834         PR debug/52727
835         * combine-stack-adj.c (prev_active_insn_bb): New.
836         (next_active_insn_bb): New.
837         (force_move_args_size_note): New.
838         (combine_stack_adjustments_for_block): Use it.
839
840 2012-05-16  Olivier Hainque  <hainque@adacore.com>
841
842         * Makefile.in (install-no-fixedincludes): New target, former toplevel
843         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
844         Add comments and improve stamp preservation across the whole sequence.
845         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
846
847 2012-05-16  Richard Guenther  <rguenther@suse.de>
848
849         PR tree-optimization/53364
850         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
851         detect a view-conversion of the decl.
852
853 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
854
855         PR target/53358
856         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
857         that operands[2] is either immediate, or q_regs_operand.
858
859 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
860
861         Backport r187139 from mainline.
862         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
863
864         PR rtl-optimization/52804
865         * reload1.c (reload_reg_reaches_end_p): Check whether successor
866         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
867         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
868         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
869         RELOAD_FOR_OUTADDR_ADDRESS.
870
871 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
872
873         PR target/46098
874         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
875         generate target register for "load" class builtins.
876
877         Revert:
878         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
879
880         PR target/46098
881         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
882         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
883         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
884         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
885         (<sse>_movu<ssemodesuffix>): New expander.
886         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
887         (avx_movdqu<avxmodesuffix>): New expander.
888         (*sse2_movdqu): Rename from sse2_movdqu.
889         (sse2_movdqu): New expander.
890
891 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
892
893         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
894         lineno 1 the same as lineno 0 before first start file directive.
895         (optimize_macinfo_range): Likewise.
896
897         * dwarf2out.c (have_macinfo): Define.
898         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
899         attribute, don't force empty compilation unit and don't emit any
900         .debug_macinfo/.debug_macro section if macinfo_table is empty.
901
902 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
903
904         Backport from mainline
905         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
906
907         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
908         ORDERED and UNORDERED conditions.
909
910 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
911
912         * function.c (requires_stack_frame_p): If the function can throw
913         non-call exceptions, return true if the insn can throw internally.
914
915 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
916
917         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
918         DECL_ORIGINAL_TYPE if it is present.
919
920 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
921
922         Backport from 2012-05-12 mainline r187342.
923
924         PR target/53256
925         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
926         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
927         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
928         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
929         (expand_prologue): Move initialization of cfun->machine->is_naked,
930         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
931         (avr_set_current_function): ...this new static function.
932         (TARGET_SET_CURRENT_FUNCTION): New define.
933         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
934         checking attributes of current_function_decl.
935         (avr_regs_to_save): Ditto.
936         (signal_function_p): Rename to avr_signal_function_p.
937         (interrupt_function_p): Rename to avr_interrupt_function_p.
938
939         * doc/extend.texi (Function Attributes): Better explanation of
940         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
941         alphabetical order.
942
943 2012-05-09  Matthias Klose  <doko@ubuntu.com>
944
945         * gcc-ar.c (main): Don't check for execute bits for the plugin.
946
947 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
948
949         PR target/53272
950         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
951         when a constant source operand matches an "I" constraint, the "no
952         CC0 change" applies to a register-destination only, not a
953         strict_low_part-destination.
954
955 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
956
957         Backport from mainline:
958         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
959
960         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
961
962 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
963
964         PR tree-optimization/53239
965         * tree-vrp.c (get_value_range): Set VR of
966         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
967         to nonnull.
968
969 2012-05-07  Richard Guenther  <rguenther@suse.de>
970
971         PR tree-optimization/53195
972         * tree-inline.c (setup_one_parameter): Properly add referenced
973         vars from the parameters new known value.
974
975 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
976
977         Backport from mainline:
978         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
979
980         PR target/52999
981         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
982         in constant pool.
983
984 2012-05-04  Ian Lance Taylor  <iant@google.com>
985
986         * tree-vect-patterns.c (vect_single_imm_use): Correct return
987         values from false to NULL.
988
989 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
990
991         Backport from mainline
992         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
993
994         PR target/53228
995         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
996         (TARGET_CMOV): Rename from TARGET_CMOVE.
997         (TARGET_CMOVE): New define.
998         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
999         Do not set TARGET_CMOVE here.
1000
1001 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1002
1003         Backport from mainline:
1004
1005         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1006
1007         PR tree-optimization/52633
1008         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1009         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1010         (vect_recog_over_widening_pattern): Remove handling of code that was
1011         already detected as over-widening pattern.  Remove special handling
1012         of "unsigned" cases.  Instead, support general case of conversion
1013         of the shift result to another type.
1014
1015         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1016
1017         * tree-vect-patterns.c (vect_single_imm_use): New function.
1018         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1019         (vect_recog_over_widening_pattern): Likewise.
1020         (vect_recog_widen_shift_pattern): Likewise.
1021
1022         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1023
1024         PR tree-optimization/52870
1025         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1026         presumed pattern statement is within the same loop or basic block.
1027
1028 2012-05-04  Richard Guenther  <rguenther@suse.de>
1029
1030         * common.opt (flto-report): Do not mark as Optimization.
1031
1032 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1033
1034         PR target/48496
1035         * recog.c (constrain_operands): If extra constraints are present, also
1036         accept pseudo-registers with equivalent memory locations during reload.
1037
1038 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1039
1040         Backport from the mainline
1041         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1042
1043         PR target/53199
1044         * config/rs6000/rs6000.md (bswapdi splitters): If
1045         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1046         default) is used, generate an alternate sequence that does not
1047         depend on using indexed addressing.
1048
1049 2012-05-03  David S. Miller  <davem@davemloft.net>
1050
1051         PR target/52684
1052         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1053         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1054         (sparc_emit_float_lib_cmp): Likewise.
1055
1056 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1057
1058         Backport from mainline
1059         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1060
1061         PR lto/52605
1062         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1063         of a variable when the contect is a function.
1064
1065 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1066
1067         PR plugins/53126
1068         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1069         append program name to it and pass that as first argument
1070         to make_relative_prefix.  Always pass standard_libexec_prefix
1071         as last argument to make_relative_prefix.  If
1072         make_relative_prefix returns NULL, fall back to
1073         standard_libexec_prefix.
1074
1075         PR debug/53174
1076         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1077         removed.
1078
1079         PR target/53187
1080         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1081         mode, return that mode.
1082
1083 2012-05-03  Richard Guenther  <rguenther@suse.de>
1084
1085         PR tree-optimization/53144
1086         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1087         Rename to ...
1088         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1089         with SSA name values.
1090         (vn_reference_lookup_3): Adjust callers.
1091
1092 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1093
1094         PR tree-optimization/53163
1095         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1096         return value from compute_all_dependences.
1097
1098         PR rtl-optimization/53160
1099         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1100         has been modified by ree pass already.
1101
1102 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1103
1104         Backport from mainline
1105         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1106
1107         PR middle-end/53136
1108         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1109         calls to cgraph_node_name in xstrdup.
1110         (ipa_make_edge_direct_to_target): Ditto.
1111         * tree-sra.c (convert_callers_for_node): Ditto.
1112         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1113         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1114         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1115         (cgraph_materialize_all_clones): Ditto.
1116         * ipa-inline.c (report_inline_failed_reason): Ditto.
1117         (want_early_inline_function_p): Ditto.
1118         (edge_badness): Ditto.
1119         (update_edge_key): Ditto.
1120         (flatten_function): Ditto.
1121         (ipa_inline): Ditto.
1122         (inline_always_inline_functions): Ditto.
1123         (early_inline_small_functions): Ditto.
1124
1125 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1126
1127         Backport from mainline
1128         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1129
1130         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1131         Introduce emul_name to select the right linker emulation for
1132         powerpc64-*-freebsd*.
1133         * configure: Regenerate.
1134         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1135         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1136         * config/rs6000/freebsd64.h: New file.
1137         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1138         POWERPC_FREEBSD.
1139         (rs6000_savres_strategy): Likewise.
1140         (rs6000_savres_routine_name): Likewise.
1141         (rs6000_elf_file_end): Likewise.
1142         * config/rs6000/t-freebsd64: New file.
1143         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1144         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1145
1146 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1147
1148         Backport from mainline
1149         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1150
1151         PR target/53138
1152         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1153
1154 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1155
1156         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1157         predicate to discriminate types.
1158
1159 2012-04-27  Richard Guenther  <rguenther@suse.de>
1160
1161         PR c/51527
1162         * convert.c (convert_to_integer): Avoid infinite recursion for
1163         target-defined built-in types.
1164
1165 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1166
1167         PR target/53120
1168         * config/cris/cris.md ("*andhi_lowpart_v32")
1169         ("*andqi_lowpart_v32"): Change first input-only operand from
1170         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1171         const_int-matching constraints for redundancy.
1172         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1173         three-operand alternative.
1174
1175 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1176
1177         Backport from mainline
1178         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1179
1180         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1181         (*addsi_2_zext): Ditto.
1182         (*add<mode>_3): Ditto.
1183         (*addsi_3_zext): Ditto.
1184         (*add<mode>_5): Ditto.
1185
1186 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1187
1188         PR c/52880
1189         * c-typeck.c (set_nonincremental_init,
1190         set_nonincremental_init_from_string): Pass true instead of false
1191         as IMPLICIT to add_pending_init.
1192
1193 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1194
1195         Backport from 2012-04-24 mainline r186768.
1196
1197         PR target/53065
1198         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1199
1200 2012-04-24  Richard Guenther  <rguenther@suse.de>
1201
1202         PR tree-optimization/53085
1203         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1204         stores.
1205
1206 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1207
1208         PR middle-end/53084
1209         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1210         of MEM_REF.
1211         (output_addressed_constants): Likewise.
1212
1213         PR middle-end/52999
1214         * varasm.c (get_section): Don't ICE for section conflicts with
1215         built-in section kinds.
1216
1217 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1218
1219         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1220
1221 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1222
1223         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1224
1225 2012-04-23  Richard Guenther  <rguenther@suse.de>
1226
1227         PR c/53060
1228         * c-typeck.c (build_binary_op): Fix typo.
1229
1230 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1231
1232         PR tree-optimizations/52891
1233         * tree-vect-patterns.c (adjust_bool_pattern): Use
1234         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1235         but with non-standard precision.
1236
1237 2012-04-22  Ian Lance Taylor  <iant@google.com>
1238
1239         * godump.c (go_output_typedef): Dump size of structs.
1240
1241 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1242
1243         Backport from mainline:
1244
1245         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1246         hints for 'A' operand types.
1247
1248 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1249
1250         Backport from 2012-04-19 mainline r186588.
1251
1252         PR target/53033
1253         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1254         the case *(X+const).
1255
1256 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1257
1258         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1259
1260 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1261
1262         PR target/53020
1263         * config/i386/sync.md (atomic_<code><mode>): Rename to
1264         atomic_<logic><mode>.
1265
1266 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1267
1268         Backport from mainline
1269         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1270
1271         PR target/52932
1272         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1273         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1274         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1275         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1276         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1277         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1278         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1279         gen_avx2_permvarv8sf.
1280
1281 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1282
1283         Backported from mainline
1284
1285         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1286         PR middle-end/52939
1287
1288         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1289         fold_ctor_reference returns a zero constant.
1290
1291 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1292
1293         Backported from mainline
1294         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1295
1296         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1297         and __ILP32__ for x32.
1298
1299 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1300
1301         Backport from mainline r186418.
1302
1303         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1304
1305         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1306         parameters vuse and vuse_escaped.
1307         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1308         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1309         vuse1 != vuse2.
1310
1311 2012-04-13  Richard Guenther  <rguenther@suse.de>
1312
1313         PR tree-optimization/52969
1314         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1315         the condition for the COND_EXPR and handle predicate negation
1316         by swapping the COND_EXPR arms.
1317
1318 2012-04-13  Richard Guenther  <rguenther@suse.de>
1319
1320         PR c/52862
1321         * convert.c (convert_to_pointer): Remove special-casing of
1322         zero.
1323
1324 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1325
1326         Backport from mainline
1327         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1328
1329         PR target/52775
1330         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1331         the list of options to enable the FCFID instruction.
1332         (TARGET_EXTRA_BUILTINS): Adjust comment.
1333
1334 2012-04-12  Richard Guenther  <rguenther@suse.de>
1335
1336         PR tree-optimization/52943
1337         * tree-chrec.h (chrec_is_positive): Remove.
1338         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1339         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1340         Return false for a constant zero instead of negative.
1341         (analyze_siv_subscript_cst_affine): Handle zero difference
1342         in the initial condition explicitely.
1343
1344 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1345
1346         PR middle-end/52894
1347         * varasm.c (process_pending_assemble_externals): Set
1348         pending_assemble_externals_processed true.
1349         (assemble_external): Call assemble_external_real if the pending
1350         assemble externals have been processed.
1351
1352 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1353
1354         PR target/52717
1355         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1356         the DECL generated for the special GOT helper.
1357
1358 2012-04-06  Walter Lee  <walt@tilera.com>
1359
1360         Backport from mainline
1361         2012-03-07  Walter Lee  <walt@tilera.com>
1362
1363         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1364         REG_CFA_* notes for the stack pointer.
1365         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1366         EH_RETURN_STACKADJ_RTX.
1367         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1368         generate REG_CFA_* notes for the stack pointer.
1369         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1370         by EH_RETURN_STACKADJ_RTX.
1371
1372 2012-04-06  Matt Turner  <mattst88@gmail.com>
1373
1374         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1375
1376 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1377
1378         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1379         of the destination isn't also a FP_REGS register.
1380
1381 2012-04-03  Richard Guenther  <rguenther@suse.de>
1382
1383         Backport from mainline
1384         2012-03-02  Richard Guenther  <rguenther@suse.de>
1385
1386         PR tree-optimization/52406
1387         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1388         (struct indices): Add unconstrained_base member.
1389         (struct dr_alias): Remove unused vops member.
1390         (DR_UNCONSTRAINED_BASE): New define.
1391         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1392         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1393         be an artificial access that covers the whole indexed object,
1394         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1395         plain decl base-objects to their MEM_REF variant.
1396         (dr_may_alias_p): When the base-object of either data reference
1397         has unknown size use only points-to information.
1398         (compute_affine_dependence): Make dumps easier to read and
1399         more verbose.
1400         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1401         DR_REF when looking for packed references.
1402         (vect_supportable_dr_alignment): Likewise.
1403
1404 2012-04-03  Richard Guenther  <rguenther@suse.de>
1405
1406         Backport from mainline
1407         2012-03-15  Richard Guenther  <rguenther@suse.de>
1408
1409         PR middle-end/52580
1410         * tree-data-ref.c (subscript_dependence_tester_1): Check
1411         all dimensions for non-conflicting access functions.
1412
1413 2012-04-03  Richard Guenther  <rguenther@suse.de>
1414
1415         Backport from mainline
1416         2012-03-06  Richard Guenther  <rguenther@suse.de>
1417
1418         PR middle-end/52493
1419         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1420
1421         2012-03-23  Richard Guenther  <rguenther@suse.de>
1422
1423         PR tree-optimization/52678
1424         * tree-vectorizer.h (struct _stmt_vec_info): Add
1425         loop_phi_evolution_part member.
1426         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1427         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1428         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1429         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1430         Use the cached evolution part and the PHI nodes value from
1431         the loop preheader edge instead of re-analyzing the evolution.
1432
1433         2012-03-26  Richard Guenther  <rguenther@suse.de>
1434
1435         PR tree-optimization/52701
1436         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1437         compute and set the evolution part of PHI nodes.
1438
1439         2012-03-30  Richard Guenther  <rguenther@suse.de>
1440
1441         PR tree-optimization/52754
1442         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1443         propagate arbitrary addresses into really plain dereferences.
1444
1445 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1446
1447         PR tree-optimization/52835
1448         * tree-data-ref.c (build_rdg): Return NULL if
1449         compute_data_dependences_for_loop failed.
1450
1451 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1452
1453         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1454         (stmt_can_make_abnormal_goto): Use it.
1455         (is_ctrl_altering_stmt): Likewise.
1456
1457 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1458
1459         Backported from mainline
1460         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1461
1462         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1463         is a builtin_stack_save in a dominating BB.
1464
1465 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1466
1467         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1468         crossing 128bit lane boundary.
1469
1470 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1471
1472         Backported from mainline
1473         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1474
1475         PR target/52698
1476         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1477         New prototype.
1478         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1479         * config/i386/i386.c: Include reload.h.
1480         (ix86_legitimize_reload_address): New function.
1481
1482 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1483
1484         Backported from mainline
1485         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1486
1487         PR middle-end/52693
1488         * tree-sra.c (sra_modify_assign): Do not call
1489         load_assign_lhs_subreplacements when working with an unscalarizable
1490         region.
1491
1492 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1493
1494         PR middle-end/52691
1495         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1496         __builtin_va_start to __builtin_next_arg if the latter is
1497         builtin_decl_explicit_p rather than when it is not.
1498
1499         PR middle-end/52750
1500         * tree-vect-generic.c (vector_element): Perform multiplication
1501         for pos in bitsizetype type instead of idx type.
1502
1503 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1504
1505         Backport from 2012-03-28 mainline r185910.
1506
1507         PR target/52692
1508         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1509         (avr_builtin_decl): New static function.
1510         (struct avr_builtin_description, avr_bdesc): Move up.
1511         Add GTY marker. Add field fndecl. Remove redundant field id.
1512         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1513         (avr_expand_builtin): Code cleanup because .id is removed.
1514
1515 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1516
1517         PR middle-end/51893
1518         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1519         targets.
1520
1521 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1522
1523         Backport from 2012-03-28 mainline r185907.
1524
1525         PR target/52737
1526         * config.gcc (tm_file): Remove avr/multilib.h.
1527
1528         * doc/invoke.texi (AVR Options): Adjust
1529         documentation of -mtiny-stack.
1530
1531         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1532         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1533         * config/avr/t-avr: Remove generation of multilib.h.
1534         * config/avr/t-multilib: Regenerate.
1535         * config/avr/multilib.h: Remove.
1536         * config/avr/avr.opt (-msp8): New option.
1537         (avr_sp8): New variable.
1538         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1539         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1540         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1541         (avr_device_to_sp8): New prototype.
1542         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1543         (DRIVER_SELF_SPECS): New define.
1544         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1545         __AVR_SP8__, __AVR_HAVE_SPH__.
1546         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1547         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1548         (avr_file_start): Ditto.
1549
1550 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1551
1552         PR target/52736
1553         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1554         instead of 8 in adjust_address.
1555
1556 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1557
1558         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1559         of a unit before computing the offset in units.
1560
1561 2012-03-27  Richard Guenther  <rguenther@suse.de>
1562
1563         PR middle-end/52720
1564         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1565         explicitely.
1566
1567 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1568
1569         PR target/52610
1570         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1571
1572 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1573
1574         PR middle-end/52640
1575         * varasm.c: Include pointer-set.h.
1576         (pending_assemble_externals_set): New pointer set.
1577         (process_pending_assemble_externals): Destroy the pointer set.
1578         (assemble_external): See if decl is in pending_assemble_externals_set,
1579         and add it to pending_assemble_externals if necessary.
1580         (init_varasm_once): Allocate pending_assemble_externals_set.
1581
1582 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1583
1584         Backported from mainline
1585         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1586
1587         PR target/50310
1588         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1589         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1590         (vector_ltgt<mode>): Likewise.
1591         (vector_ordered<mode>): Likewise.
1592         (vector_unordered<mode>): Likewise.
1593         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1594
1595 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1596
1597         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1598         Make static.
1599
1600 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1601
1602         Backported from mainline
1603         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1604
1605         PR target/48596
1606         PR target/48806
1607         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1608         GENERAL_REGS and FP_REGS for SImode.
1609
1610 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1611
1612         PR middle-end/52547
1613         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1614         on any new_local_var_chain vars declared during recursing on
1615         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1616
1617 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1618
1619         Backport from 2012-03-22 mainline r185692.
1620
1621         PR target/52496
1622         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1623         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1624         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1625         (delay_cycles_1, delay_cycles_2): Ditto.
1626         (delay_cycles_3, delay_cycles_4): Ditto.
1627         (nopv, *nopv): Ditto.
1628         (sleep, *sleep): Ditto.
1629         (wdr, *wdr): Ditto.
1630
1631         Backport from 2012-03-21 mainline r185605.
1632
1633         PR rtl-optimization/52543
1634         PR target/52461
1635         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1636         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1637         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1638         (avr_load_libgcc_p): Restrict to __flash loads.
1639         (avr_out_lpm): Only handle 1-byte loads from __flash.
1640         (avr_load_lpm): New function.
1641         (avr_find_unused_d_reg): Remove.
1642         (avr_out_lpm_no_lpmx): Remove.
1643         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1644         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1645         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1646         (load_<mode>, load_<mode>_clobber): New insns.
1647         (mov<mode>): For multi-byte move from non-generic
1648         16-bit address spaces: Expand to load_<mode> resp.
1649         load_<mode>_clobber.
1650         (load<mode>_libgcc): Remove expander.
1651         (split-lpmx): Remove split.
1652
1653         Backport from 2012-03-13 mainline r185329.
1654
1655         PR target/52488
1656         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1657         offset (size) to a value the insns can deal with.
1658         (expand_epilogue): Ditto.
1659
1660         Backport from 2012-03-12 mainline r185256.
1661
1662         PR target/52499
1663         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1664         type from reg_class_t to enum reg_class.
1665         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1666
1667         Backport from 2012-03-12 mainline r185253.
1668
1669         PR target/52148
1670         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1671         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1672         r184615 from 2012-02-28.
1673
1674         Backport from 2012-03-08 mainline r185105.
1675
1676         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1677         for constants in [-63,63].
1678
1679         Backport from 2012-03-08 mainline r185100.
1680
1681         PR target/52496
1682         * config/avr/avr.c (avr_mem_clobber): New static function.
1683         (avr_expand_delay_cycles): Add memory clobber operand to
1684         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1685         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1686         (enable_interrupt, disable_interrupt): New expander.
1687         (nopv, sleep, wdr): New expanders.
1688         (delay_cycles_1): Add memory clobber.
1689         (delay_cycles_2): Add memory clobber.
1690         (delay_cycles_3): Add memory clobber.
1691         (delay_cycles_4): Add memory clobber.
1692         (cli_sei): New insn from former "enable_interrupt",
1693         "disable_interrupt" with memory clobber.
1694         (*wdt): New insn from former "wdt" with memory clobber.
1695         (*nopv): Similar, but for "nopv".
1696         (*sleep): Similar, but for "sleep".
1697
1698         Backport from 2012-03-07 mainline r185043.
1699
1700         PR target/52484
1701         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1702
1703         Backport from 2012-03-07 mainline r185032.
1704
1705         PR target/52506
1706         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1707         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1708         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1709
1710         Backport from 2012-03-07 mainline r185031.
1711
1712         PR target/52505
1713         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1714         from RAM.
1715         * config/avr/avr.md (xload_8): Adjust insn length.
1716
1717         Backport from 2012-03-07 mainline r185030.
1718
1719         PR target/52461
1720         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1721         if RAMPZ affects reading from RAM.
1722
1723         Backport from 2012-03-05 mainline r184919.
1724
1725         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1726
1727 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1728
1729         Backport from mainline r185259.
1730
1731         PR other/52545
1732         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1733         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1734
1735 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1736
1737         Backported from mainline
1738         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR c/52577
1741         * c-parser.c (c_parser_postfix_expression)
1742         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1743
1744         * config/i386/smmintrin.h: Avoid /* within a comment.
1745         * config/i386/nmmintrin.h: Likewise.
1746
1747 2012-03-22  Richard Guenther  <rguenther@suse.de>
1748
1749         * BASE-VER: Set to 4.7.1.
1750         * DEV-PHASE: Set to prerelease.
1751
1752 2012-03-22  Release Manager
1753
1754         * GCC 4.7.0 released.
1755
1756 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1757
1758         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1759
1760 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1761             Andrew Pinski  <apinski@cavium.com>
1762
1763         PR middle-end/52592
1764         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1765         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1766         calls instead of __builtin_ir{int,ound}*.
1767
1768 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1769
1770         PR c++/52582
1771         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1772         if c_node is NULL.
1773
1774 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1775
1776         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1777         Refer to GCC 4.7 version of c99status.html.
1778
1779 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1780
1781         Backport from mainline
1782         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1783
1784         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1785         redefine to be NULL if the current bit-size is different from the
1786         configured bit-size.
1787
1788         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1789         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1790         set the default tuning.  Add asserts to make sure the cpu and tune
1791         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1792         test whether the index is set, instead of > 0.
1793         (rs6000_file_start): Do not reset the default cpu if the current
1794         bit-size is different from the configured bit-size.
1795
1796 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1797
1798         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1799         binutils reference.
1800         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1801         Update binutils references.
1802         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1803         Update binutils reference.
1804         Update Sun as/GNU ld caveat.
1805         Document binutils largefile requirement for LTO plugin.
1806         Remove reference to alternate libpthread.
1807
1808 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1809
1810         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1811         reference.
1812         (Specific, mips-sgi-irix6): Likewise.
1813
1814 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1815
1816         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1817         * configure: Regenerate.
1818
1819 2012-03-07  Richard Henderson  <rth@redhat.com>
1820
1821         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1822         * config/m68k/sync.md (atomic_test_and_set): Use it.
1823         (atomic_test_and_set_1): Likewise.
1824
1825 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
1826
1827         PR target/51417
1828         * Makefile.in: Let install-gcc-ar depend on installdirs,
1829         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1830         Don't double canonicalize if cross-compiling.
1831
1832 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1833
1834         * trans-mem.c: New typedef for tm_region_p.
1835         Define vector types for tm_region_p.
1836         (tm_region_init): Replace region_worklist to a vector called
1837         bb_regions.
1838
1839 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1840
1841         PR middle-end/52463
1842         * trans-mem.c (tm_region_init): Use last_basic_block.
1843
1844 2012-03-05  Richard Henderson  <rth@redhat.com>
1845
1846         PR tree-opt/52242
1847         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1848         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1849         BIGGEST_ALIGNMENT is aligned.
1850
1851 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1852
1853         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1854
1855 2012-03-05  Richard Henderson  <rth@redhat.com>
1856
1857         PR target/52481
1858         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1859         instead of calling negqi2 directly.
1860
1861 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1862
1863         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1864         (INTMAX_TYPE): Use it.
1865         (UINTMAX_TYPE): Likewise.
1866         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1867         (irix6_c_common_override_options): Declare.
1868         (C_COMMON_OVERRIDE_OPTIONS): Define.
1869         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1870         * config/mips/irix6-c.c: New file.
1871         * config/mips/t-irix6 (irix6-c.o): New target.
1872         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1873         cxx_target_objs.
1874
1875 2012-03-02  Richard Henderson  <rth@redhat.com>
1876
1877         * optabs.c (expand_atomic_test_and_set): Honor
1878         atomic_test_and_set_trueval even when atomic_test_and_set
1879         optab is not in use.
1880
1881 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1882
1883         Backport from mainline
1884         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1885
1886         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1887
1888 2012-03-02  Richard Guenther  <rguenther@suse.de>
1889
1890         * DEV-PHASE: Set to prerelease.
1891
1892 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1893
1894         * config.gcc (obsolete): Add all ARM targets using the FPA.
1895         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1896         * doc/install.texi: Avoid references to obsolete ARM ports.
1897
1898 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1899
1900         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1901
1902 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1903             Joern Rennecke  <joern.rennecke@embecosm.com>
1904
1905         * doc/extend.texi: Expand and update information on interrupt
1906         attribute for Epiphany.
1907
1908 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1909
1910         * config/sh/sh-protos.h: Update copyright notice dates.
1911         * config/sh/sh.h: Likewise.
1912         * config/sh/sh.md: Likewise.
1913         * config/sh/constraints.md: Likewise.
1914         * config/sh/predicates.md: Likewise.
1915
1916 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1917
1918         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1919         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1920
1921 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1922
1923         * config/sh/constraints.md: Fix comment typo.
1924
1925 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1926
1927         PR target/52408
1928         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1929         unsigned HOST_WIDE_INT.
1930         (zvdep_imm64): Likewise.
1931         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1932         (vdepi_and): Likewise.
1933         Likewise for unamed 64-bit patterns.
1934         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1935
1936 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1937
1938         PR debug/52001
1939         PR rtl-optimization/52417
1940         * cselib.c (cselib_any_perm_equivs): New variable.
1941         (cselib_reset_table): Check that it's not set when not
1942         preserving constants.
1943         (cselib_add_permanent_equiv): Set it.
1944         (cselib_have_permanent_equivalences): New.
1945         (cselib_init, cselib_finish): Reset it.
1946         * cselib.h (cselib_have_permanent_equivalences): Declare.
1947         * alias.c (get_addr): Restore earlier behavior when there
1948         aren't permanent equivalences.
1949
1950 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1951
1952         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1953         * config/v850/v850-modes.def: Fix copyright notice.
1954
1955 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1956
1957         * doc/extend.texi (AVR Built-in Functions): Document
1958         __builtin_avr_flash_segment.
1959
1960         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1961         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1962         (*split.flash_segment): New insn-and-split.
1963         * config/avr/avr.c (avr_init_builtins): Add local variables:
1964         const_memx_void_node, const_memx_ptr_type_node,
1965         char_ftype_const_memx_ptr.
1966
1967 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1968
1969         PR tree-optimization/52445
1970         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1971         add ssa_name_ver, offset and size fields and change store field
1972         to bool.
1973         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1974         (add_or_mark_expr): Likewise.  Only consider previous stores
1975         with the same size and offset.
1976         (nt_init_block): Only look at gimple_assign_single_p stmts,
1977         doesn't look at rhs2.
1978
1979 2012-03-01  Richard Guenther  <rguenther@suse.de>
1980
1981         PR middle-end/52443
1982         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1983         conversions from integral types to pointer types.
1984
1985 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1986
1987         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1988         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1989         unintentionally removed in r184616.
1990
1991 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1992
1993         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1994         3DNow from bdver1.
1995
1996 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1997             Uros Bizjak  <ubizjak@gmail.com>
1998
1999         PR target/52437
2000         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2001         alternatives, add "e" constraint to the new last alternative
2002         and ! to last 3 alternatives.
2003
2004 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2005
2006         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2007         DW_AT_artificial attributes at the end of the processing.
2008         (gen_array_type_die): Likewise.
2009         (gen_enumeration_type_die): Likewise.
2010         (gen_struct_or_union_type_die): Likewise.
2011         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2012         the parent type.
2013
2014 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2015
2016         PR middle-end/52419
2017         * expr.c (expand_assignment): If doing misaligned store that doesn't
2018         cover all mode bits, perform a RMW cycle.
2019
2020         PR tree-optimization/52429
2021         * tree-parloops.c (separate_decls_in_region_debug): Return early
2022         if var is LABEL_DECL.
2023
2024 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2025
2026         PR tree-optimization/52424
2027         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2028         calling dom_thread_across_edge.
2029
2030 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2031
2032         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2033
2034 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2035
2036         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2037         * config/avr/avr.c (avr_output_bld): Remove unused function.
2038         (avr_out_sbxx_branch): Use "%T" to print bit position.
2039
2040 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2041
2042         * config/avr/avr.md: Untabify.
2043
2044 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2045
2046         * config/avr/avr.md (eqne): New code iterator.
2047         (*dec-and-branchsi): Use it in text peephole's condition.
2048         (*dec-and-branchhi): Ditto.
2049         (*dec-and-branchqi): Ditto.
2050
2051 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2052
2053         PR target/49939
2054         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2055         the device does not have the skip-bug.
2056
2057 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2058
2059         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2060         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2061         -mpretend-cmove): New.
2062
2063 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2064
2065         PR bootstrap/52397
2066         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2067         doesn't count DEBUG_INSN refs.
2068         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2069         for DEBUG_INSN refs.
2070
2071 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2072
2073         Partially revert:
2074
2075         2012-02-20  Richard Guenther  <rguenther@suse.de>
2076         PR tree-optimization/52298
2077         * tree-vect-stmts.c (vectorizable_load): Properly use
2078         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2079         outer loops.
2080
2081 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2082
2083         PR middle-end/51752
2084         * gimple.h (gimple_in_transaction): New.
2085         (gimple_set_in_transaction): New.
2086         (struct gimple_statement_base): Add in_transaction field.
2087         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2088         transaction loads.
2089         (tree_ssa_lim_initialize): Compute transaction bits.
2090         * tree.h (compute_transaction_bits): Protoize.
2091         * trans-mem.c (tm_region_init): Use the heap to store BB
2092         auxilliary data.
2093         (compute_transaction_bits): New.
2094
2095 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2096
2097         * gcc.c (display_help): Document --help=common and sort entries
2098         alphabetically.
2099
2100 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2101
2102         * doc/install.texi: Document check-$LANG specific shortcuts
2103
2104 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2105
2106         PR target/51534
2107         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2108         and vcgtu.
2109         * config/arm/arm_neon.h: Regenerate.
2110         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2111         (neon_vcgeu): New insn.
2112         (neon_vcgtu): Likewise.
2113         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2114         (ops): Unsigned comparison intrinsics call a different
2115         builtin.
2116
2117 2012-02-28  Richard Guenther  <rguenther@suse.de>
2118
2119         PR target/52407
2120         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2121         ordering for the VEC_CONCAT for two element vectors for
2122         V2SFmode, V2SImode and V2DImode.
2123
2124 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2125
2126         PR target/49448
2127         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2128         detecting big-endian triplets.
2129
2130 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2131
2132         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2133         mode if there is no type information available.
2134
2135 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2136
2137         PR tree-optimization/53207
2138         * doc/invoke.texi: Document as experimental and relying on graphite.
2139
2140 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2141
2142         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2143         of initializer to changes from r184614.
2144
2145 2012-02-28  Richard Guenther  <rguenther@suse.de>
2146
2147         PR tree-optimization/52395
2148         * tree-sra.c (build_ref_for_offset): Also look at the base
2149         TYPE_ALIGN when figuring out the alignment of the replacement.
2150
2151 2012-02-28  Richard Guenther  <rguenther@suse.de>
2152
2153         PR tree-optimization/52402
2154         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2155         mis-aligned types when creating the accesses at the call site.
2156
2157 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2158
2159         * config/avr/builtins.def: New file.
2160         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2161         * config/avr/avr.c (enum avr_builtin_id): Use it.
2162         (avr_init_builtins): Use it. And use avr_bdesc.
2163         (bdesc_1arg): Remove.
2164         (bdesc_2arg): Remove.
2165         (bdesc_3arg): Remove.
2166         (struct avr_builtin_description): Add field n_args.
2167         (avr_bdesc): New static variable using builtins.def.
2168         (avr_expand_builtin): Use it.
2169         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2170         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2171         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2172
2173 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2174
2175         PR target/52148
2176         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2177         match only one single hard register with respective hard reg rtx.
2178         (movmemx_<mode>): Ditto.
2179         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2180         insn anatomy of movmem[x]_<mode>.
2181         (avr_out_movmem): Same for printing assembler and operand usage.
2182
2183 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2184
2185         PR target/49868
2186         PR target/52261
2187         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2188         address spaces located outside of device flash.
2189
2190         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2191         (mcu_type_s): Add field n_flash.
2192         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2193         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2194         (AVR_MCU): Add N_FLASH argument.
2195         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2196         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2197         macro __FLASH<n> if that address space makes sense for the device.
2198         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2199         outside of target flash.
2200         (avr_asm_named_section): Ditto.
2201         (avr_asm_select_section): Ditto.
2202         (avr_addr_space_convert): Ditto.
2203         (avr_emit_movmemhi): Ditto.
2204         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2205         address space is outside of device flash.
2206         (avr_insert_attributes): Ditto.
2207         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2208         avr_current_arch->n_segments.
2209
2210 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2211
2212         PR target/52352
2213         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2214         TARGET_LP64.
2215         (*movabs<mode>_2): Likewise.
2216
2217 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2218
2219         PR target/52375
2220         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2221         s_register_operand in the test instead of REG_P.  Don't call
2222         gen_reg_rtx if it won't be used.
2223
2224         PR tree-optimization/52376
2225         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2226
2227 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2228
2229         * ifcvt.c (noce_get_condition): Check condition variable is not
2230         small_register_classes_for_mode_p before accepting.
2231
2232 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2233
2234         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2235
2236 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2237
2238         Revert:
2239         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2240         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2241         tuning parameters.
2242         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2243
2244 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2245
2246         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2247
2248 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2249
2250         * config/sh/predicates.md: Remove blank lines.
2251         * config/sh/sh.c: Fix typos in comments.
2252         * config/sh/constraints.md: Likewise.
2253         * config/sh/sh.md: Remove blank lines.
2254         Fix typos in comments.  Use ;; as comment characters.
2255
2256 2012-02-26  Walter Lee  <walt@tilera.com>
2257
2258         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2259         (replace_mov_pcrel_step2): Ditto.
2260
2261 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2262
2263         PR debug/52001
2264         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2265         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2266         and locs that reference values newer than the non-canonical value
2267         at hand.  Return the canonical value as a worst case.
2268         (memrefs_conflict_p): Walk canonical value's locs.
2269
2270         PR debug/52001
2271         * cselib.c (preserve_only_constants): Rename to...
2272         (preserve_constants_and_equivs): ... this.  Split out...
2273         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2274         of other preserved expressions too.
2275         (cselib_reset_table): Adjust.
2276         * var-tracking.c (reverse_op): Use canonical value to build
2277         reverse operation.
2278
2279 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2280
2281         * config/i386/i386.c (ix86_delegitimize_address): Handle
2282         UNSPEC_PCREL plus displacement.
2283
2284 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2285
2286         PR target/52261
2287         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2288         to test for unusedness in st X addressing.
2289
2290 2012-02-24  Richard Guenther  <rguenther@suse.de>
2291
2292         PR middle-end/52361
2293         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2294         (is_gimple_reg_type): Move inline ...
2295         * gimple.h (is_gimple_reg_type): ... here.
2296
2297 2012-02-24  Richard Guenther  <rguenther@suse.de>
2298
2299         PR middle-end/52361
2300         * passes.c (execute_function_todo): When verifying SSA form
2301         verify gimple form first.
2302         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2303
2304 2012-02-24  Richard Guenther  <rguenther@suse.de>
2305
2306         PR middle-end/52355
2307         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2308         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2309
2310 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2311
2312         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2313
2314 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2315
2316         * tree-phinodes.c (make_phi_node): Mark static.
2317         * tree-flow.h (make_phi_node): Remove extern decl.
2318         * doc/gimple.texi (make_phi_node): Remove documentation.
2319
2320 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2321
2322         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2323         * tree-ssa-sccvn.c (print_scc): Ditto.
2324
2325 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2326
2327         * doc/passes.texi (Full redundancy elimination): Fix typo.
2328
2329 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2330
2331         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2332
2333 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2334
2335         PR bootstrap/52287
2336         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2337
2338 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2339
2340         PR c/52290
2341         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2342
2343 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2344
2345         * config/avr/avr.md (code_stdname): Add ior, xor.
2346         (xior): New code iterator.
2347         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2348         (*<code_stdname><mode>qi.byte1-3): Ditto.
2349
2350 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2351
2352         PR tree-optimization/52019
2353         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2354         CLOBBER stmts.
2355
2356 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2357
2358         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2359         HAVE_INITFINI_ARRAY to work around namespace pollution in
2360         certain versions of newlib system headers.
2361         * config.in: Regenerate.
2362         * configure: Regenerate.
2363         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2364         instead of HAVE_INITFINI_ARRAY.
2365
2366 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2367
2368         PR target/52330
2369         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2370         is not offsettable memory reference.
2371
2372 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2373
2374         PR target/18145
2375         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2376         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2377
2378 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2379
2380         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2381         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2382
2383 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2384
2385         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2386         library on Solaris 8 even without TLS support.
2387         * configure: Regenerate.
2388
2389 2012-02-22  Richard Guenther  <rguenther@suse.de>
2390
2391         PR middle-end/52329
2392         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2393         for GIMPLE_DEBUG stmts.
2394
2395 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2396
2397         PR middle-end/51782
2398         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2399         according to the base object.
2400
2401 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2402
2403         PR rtl-optimization/50063
2404         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2405         and 2 (8-bit SP) in operand 2.
2406         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2407         setup to use movhi_sp_r instead of vanilla move to write SP.
2408         Adjust REG_CFA notes to superseed unspec.
2409         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2410         of vanilla move.
2411         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2412         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2413         irq_state 1 (IRQ known to be on) here.
2414
2415 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2416
2417         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2418         WORDS_BIG_ENDIAN.
2419         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2420         assign_hard_reg): Likewise.
2421
2422 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2423
2424         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2425
2426 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2427
2428         * config/avr/avr.md
2429         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2430         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2431
2432 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2433
2434         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2435         prototype from here to...
2436         * config/avr/avr.h: ...here.
2437
2438 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2439
2440         PR target/52294
2441         * thumb2.md (thumb2_shiftsi3_short): Split register and
2442         immediate shifts.  For register shifts tie operands 0 and 1.
2443         (peephole2 for above): Check that register-controlled shifts
2444         have suitably tied operands.
2445
2446 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2447
2448         PR target/52137
2449         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2450         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2451         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2452         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2453         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2454         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2455         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2456         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2457         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2458         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2459         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2460         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2461         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2462         bdver1_ssevector_avx256_unaligned_load,
2463         bdver1_ssevector_sse128_unaligned_load,
2464         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2465         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2466         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2467         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2468         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2469         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2470         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2471         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2472         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2473         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2474         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2475         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2476         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2477         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2478         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2479         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2480         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2481         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2482         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2483         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2484         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2485         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2486         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2487         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2488         bdver1_ssediv_double_load, bdver1_ssediv_double,
2489         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2490         Add "bdver2" attribute.
2491
2492 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2493
2494         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2495         default if possible and not specified otherwise.
2496
2497 2012-02-21  Richard Guenther  <rguenther@suse.de>
2498
2499         PR middle-end/52314
2500         * gimplify.c (create_tmp_from_val): Use the main variant type
2501         for the type of the temporary we create.
2502
2503 2012-02-21  Richard Guenther  <rguenther@suse.de>
2504
2505         PR tree-optimization/52324
2506         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2507         do not gimplify a MEM_REF address operand if it is already
2508         in suitable form.
2509
2510 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2511
2512         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2513         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2514
2515 2012-02-21  Richard Guenther  <rguenther@suse.de>
2516
2517         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2518         nested_in_vect_loop.
2519
2520 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2521
2522         PR tree-optimization/52318
2523         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2524         vdef also to non-pure/const call stmts in the sequence.
2525
2526 2012-02-20  David S. Miller  <davem@davemloft.net>
2527
2528         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2529         don't use the "rd %pc" instruction on v9 for PIC register loads.
2530
2531 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2532
2533         PR middle-end/52141
2534         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2535         in a transaction safe function.
2536
2537 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2538
2539         PR target/52238
2540         * stor-layout.c (place_field): Handle desired_align for
2541         ms-bitfields, too.
2542
2543 2012-02-20  Richard Guenther  <rguenther@suse.de>
2544
2545         PR tree-optimization/52298
2546         * tree-vect-stmts.c (vectorizable_store): Properly use
2547         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2548         outer loops.
2549         (vectorizable_load): Likewise.
2550         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2551         Access DR_STEP after ensuring it is not NULL.
2552
2553 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2554
2555         PR tree-optimization/52286
2556         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2557         optimization use double_int_to_tree instead of build_int_cst_wide,
2558         rewrite to use double_int vars.
2559
2560 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2561
2562         PR target/50166
2563         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2564         Define _start.
2565         Remove -e 0 from $gcc_cv_ld invocation.
2566         Only use __GLIBC_PREREQ if defined.
2567         Enable on Solaris since Solaris 8 patch.
2568         (gcc_SUN_LD_VERSION): New macro.
2569         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2570         gcc_SUN_LD_VERSION for version number format.
2571         * configure: Regenerate.
2572         * varasm.c (get_elf_initfini_array_priority_section): Set
2573         SECTION_NOTYPE for non-default priority.
2574         Use get_section instead of get_unnamed_section to emit
2575         .init_array/.fini_array with default priority.
2576
2577 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2578
2579         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2580         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2581         (mips_start_unique_function, mips_output_mips16_rdhwr)
2582         (mips_code_end): New functions.
2583         (TARGET_ASM_CODE_END): Define.
2584
2585 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2586
2587         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2588         to stubs with non-sibling calls.
2589
2590 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2591
2592         * doc/invoke.texi (-fira-* options): Copy-edit.
2593         (ira-* parameters): Copy-edit.
2594
2595 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2596
2597         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2598         GCC coding conventions.
2599
2600 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2601
2602         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2603         when used as adjectives.
2604
2605 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2606
2607         * doc/invoke.texi: Clean up "that"/"which" confusion.
2608
2609 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2610
2611         * system.h: Poison SMALL_REGISTER_CLASSES
2612         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2613         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2614
2615 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2616
2617         PR tree-optimization/52285
2618         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2619         when deciding if a call is a tail call or tail recursion.
2620
2621 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2622
2623         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2624         interger-constant displacement for UNSPEC_PCREL.
2625
2626 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2627
2628         PR rtl-optimization/52208
2629         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2630         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2631
2632         PR tree-optimization/52255
2633         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2634         loop->header has virtual PHI, but exit_e->dest doesn't, add
2635         virtual PHI to exit_e->dest and adjust all uses after the loop.
2636
2637         PR debug/52260
2638         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2639         children with clone_tree_hash, not after it.
2640
2641 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2642
2643         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2644         extended identifiers.
2645
2646 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2647
2648         PR middle-end/51929
2649         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2650         a same_body_alias, also test whether e->callee isn't a former
2651         or current clone of the decl this is a same body alias of.
2652
2653         PR translation/52264
2654         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2655
2656 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2657
2658         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2659
2660 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2661
2662         PR target/52199
2663         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2664         force_reg instead of copy_to_reg for better optimization.  Force
2665         non-register or memory operands into a register.
2666
2667 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2668
2669         * extend.texi: Reserve upper bits of memory model for future use.
2670
2671 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2672             Anatoly Sokolov <aesok@post.ru>
2673             Eric Weddington <eric.weddington@atmel.com>
2674
2675         PR target/52261
2676         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2677         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2678         Rewrite initializers for .macro.
2679         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2680         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2681         atxmega32d4, atxmega32x1.
2682         avrxmega4: atxmega64a3, atxmega64d3.
2683         avrxmega5: atxmega64a1, atxmega64a1u.
2684         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2685         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2686         avrxmega7: atxmega128a1, atxmega128a1u.
2687         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2688         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2689         (struct base_arch_s): Rename reserved to xmega_p.
2690         Rename reserved2 to have_rampd.
2691         (AVR_XMEGA): New define.
2692         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2693         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2694         * config/avr/predicates.md (io_address_operand): Take into
2695         account SFR offset.
2696         (low_io_address_operand): Ditto.
2697         (high_io_address_operand): Ditto.
2698         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2699         (enabled, movhi_sp_r): Use them.
2700         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2701         cpp_define_formatted to built-in define __AVR_ARCH__.
2702         (__AVR_XMEGA__): New built-in define.
2703         (__AVR_HAVE_RAMPD__): New built-in define.
2704         (__AVR_HAVE_RAMPX__): New built-in define.
2705         (__AVR_HAVE_RAMPY__): New built-in define.
2706         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2707
2708         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2709         (avr_option_override): Initialize them.
2710         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2711         (avr_init_expanders): Initialize them. No more block several calls.
2712         (emit_push_sfr): New static function.
2713         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2714         Handle AVR_XMEGA.
2715         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2716         (avr_print_operand): Print addreeses as symbols for
2717         RAMPX, RAMPY, RAMPD, CCP.
2718         (output_movhi): Handle AVR_XMEGA when writing to SP.
2719         (avr_out_movhi_mr_r_xmega): New static function.
2720         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2721         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2722         __RAMPD__,  __CCP__ as needed.
2723
2724         * config/avr/multilib.h: Regenerate.
2725         * config/avr/t-multilib: Regenerate.
2726         * config/avr/avr-tables.opt: Regenerate.
2727
2728 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2729
2730         PR tree-optimization/50561
2731         * graphite-flattening.c (lst_project_loop): Do not
2732         remove old scattering dimensions after flattening.
2733         (lst_do_flatten): Likewise.
2734
2735 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2736
2737         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2738         __builtin_avr_map8, __builtin_avr_map16.
2739         Document __builtin_avr_insert_bits.
2740
2741         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2742         (insert_bits): New insn.
2743         (adjust_len.map_bits): Rename to insert_bits.
2744         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2745         * avr-protos.h (avr_out_map_bits): Remove.
2746         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2747         * config/avr/constraints.md (Cxf,C0f): New.
2748         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2749         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2750         New built-in define __BUILTIN_AVR_INSERT_BITS.
2751         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2752         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2753         (avr_move_bits): Rewrite.
2754         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2755         functions.
2756         (avr_map_op_t): New typedef.
2757         (avr_map_op): New static variable.
2758         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2759         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2760         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2761         (bdesc_3arg, avr_expand_triop_builtin): New.
2762         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2763         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2764         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2765         (avr_map_equal_p, avr_map_sig_p): Remove.
2766         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2767         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2768         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2769         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2770         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2771         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2772
2773 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2774
2775         * config/c6x/c6x.md (reserve_cycles): New attribute.
2776         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2777         don't reserve functional units after the branch occurs.
2778
2779 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2780
2781         PR middle-end/52142
2782         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2783         functions into non-tm_pure functions.
2784
2785 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2786
2787         PR lto/52178
2788         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2789         (iterative_hash_canonical_type): Likewise.
2790         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2791         the dead edges.
2792
2793 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2794
2795         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2796         sched-group insn, it either remains alone or the entire list is pruned.
2797
2798 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2799
2800         * doc/install.texi (Prerequisites): Fix grammar.
2801         (Configuration): Likewise.
2802
2803 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2804
2805         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2806         MPC as part of GCC before describing configuring with --with-gmp etc.
2807         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2808         sources are present.
2809
2810 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2811
2812         PR debug/51950
2813         * dwarf2out.c (clone_tree_hash): New function.
2814         (copy_decls_walk): Use it instead of clone_tree.
2815
2816 2012-02-14  Richard Guenther  <rguenther@suse.de>
2817
2818         PR tree-optimization/52244
2819         PR tree-optimization/51528
2820         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2821         replacements for integral types.
2822
2823 2012-02-14  Walter Lee  <walt@tilera.com>
2824
2825         * config.gcc: Handle tilegx and tilepro.
2826         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2827         tilegx and tilepro.
2828         Add HAVE_AS_TLS check for tilegx and tilepro.
2829         * configure: Regenerate.
2830         * doc/contrib.texi: Add Mat Hostetter and self.
2831         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2832         Document instruction intrinsics and network accessing intrinsics.
2833         (TILEPro Built-in Functions): New node.  Document instruction
2834         intrinsics and network accessing intrinsics.
2835         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2836         (Specific, tilepro-*-linux*): Likewise.
2837         * doc/invoke.texi (TILE-Gx Options): New section.
2838         (TILEPro Options): New section.
2839         * doc/md.texi (TILE-Gx): New section.
2840         (TILEPro): New section.
2841         * common/config/tilegx/tilegx-common.c: New file.
2842         * common/config/tilepro/tilepro-common.c: New file.
2843         * config/tilegx/constraints.md: New file.
2844         * config/tilegx/linux.h: New file.
2845         * config/tilegx/mul-tables.c: New file.
2846         * config/tilegx/predicates.md: New file.
2847         * config/tilegx/sync.md: New file.
2848         * config/tilegx/t-tilegx: New file.
2849         * config/tilegx/tilegx-builtins.h: New file.
2850         * config/tilegx/tilegx-c.c: New file.
2851         * config/tilegx/tilegx-generic.md: New file.
2852         * config/tilegx/tilegx-modes.def: New file.
2853         * config/tilegx/tilegx-multiply.h: New file.
2854         * config/tilegx/tilegx-protos.h: New file.
2855         * config/tilegx/tilegx.c: New file.
2856         * config/tilegx/tilegx.h: New file.
2857         * config/tilegx/tilegx.md: New file.
2858         * config/tilegx/tilegx.opt: New file.
2859         * config/tilepro/constraints.md: New file.
2860         * config/tilepro/gen-mul-tables.cc: New file.
2861         * config/tilepro/linux.h: New file.
2862         * config/tilepro/mul-tables.c: New file.
2863         * config/tilepro/predicates.md: New file.
2864         * config/tilepro/t-tilepro: New file.
2865         * config/tilepro/tilepro-builtins.h: New file.
2866         * config/tilepro/tilepro-c.c: New file.
2867         * config/tilepro/tilepro-generic.md: New file.
2868         * config/tilepro/tilepro-modes.def: New file.
2869         * config/tilepro/tilepro-multiply.h: New file.
2870         * config/tilepro/tilepro-protos.h: New file.
2871         * config/tilepro/tilepro.c: New file.
2872         * config/tilepro/tilepro.h: New file.
2873         * config/tilepro/tilepro.md: New file.
2874         * config/tilepro/tilepro.opt: New file.
2875
2876 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2877
2878         PR tree-optimization/52210
2879         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2880         vect_model_simple_cost with two entry vect_def_type array instead
2881         of an address of dt.
2882
2883 2012-02-14  Richard Guenther  <rguenther@suse.de>
2884
2885         PR lto/52178
2886         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2887         Do not stream DECL_QUALIFIER.
2888         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2889         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2890         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2891
2892 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2893
2894         PR c/52181
2895         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2896         newdecl.
2897
2898 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2899
2900         PR bootstrap/52172
2901         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2902         * cselib.c (cselib_subst_to_values_from_insn): New function.
2903         * sched-deps.c (add_insn_mem_dependence,
2904         sched_analyze_1, sched_analyze_2): Use it.
2905
2906 2012-02-13  Jan Hubicka  <jh@suse.cz>
2907
2908         PR middle-end/52214
2909         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2910
2911 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2912
2913         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2914         (GTM_SELF_SPECS): Define if not already defined.
2915         (driver_self_specs): Add GTM_SELF_SPECS.
2916         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2917         (GTM_SELF_SPECS): Define.
2918         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2919         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2920
2921 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2922
2923         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2924         away if seen.
2925
2926         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2927
2928         PR middle-end/52230
2929         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2930         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2931
2932 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2933
2934         PR c/52190
2935         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2936
2937 2012-02-13  Richard Guenther  <rguenther@suse.de>
2938
2939         PR translation/52211
2940         * passes.c (enable_disable_pass): Fix typo.
2941
2942 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2943
2944         PR middle-end/52209
2945         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2946         XOR for reduce_bit_field if type is unsigned.
2947
2948 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2949
2950         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2951         disallow changes from SFmode to mode with different size in FP regs.
2952
2953 2012-02-12  Robert Millan  <rmh@gnu.org>
2954             Gerald Pfeifer <gerald@pfeifer.com>
2955
2956         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2957         Tweak comment.
2958
2959 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2960
2961         PR rtl-optimization/52175
2962         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2963         to frame-related instructions.
2964
2965 2012-02-10  Jason Merrill  <jason@redhat.com>
2966
2967         PR c++/51910
2968         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2969         (demangle_new_symbols): Fill it.
2970         (scan_linker_output): Walk it.
2971         (start_tweaking): Split out from scan_linker_output.
2972         (maybe_tweak): Update sym->chosen.
2973         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2974
2975 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2976
2977         PR debug/52132
2978         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2979
2980 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2981
2982         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2983         having the same mode as previous compare.
2984
2985 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2986
2987         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2988         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2989         (nonlocal_goto_internal): Likewise.
2990         (nonlocal_goto): Emit a use and an indirect jump directly.
2991
2992 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2993
2994         PR c/52190
2995         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2996         __atomic_{is,always}_lock_free.
2997
2998 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2999
3000         PR target/52146
3001         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3002         negative constant address for x32.
3003
3004 2012-02-10  Richard Henderson  <rth@redhat.com>
3005
3006         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3007         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3008         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3009
3010 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3011             Ira Rosen  <irar@il.ibm.com>
3012
3013         PR tree-optimization/50031
3014         * targhooks.c (default_builtin_vectorization_cost): Handle
3015         vec_promote_demote.
3016         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3017         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3018         all types of reduction and pattern statements.
3019         (vect_estimate_min_profitable_iters): Likewise.
3020         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3021         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3022         for explicit realigns.
3023         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3024         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3025         vec_promote_demote.
3026         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3027         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3028         vec_perm for VSX and handle vec_promote_demote.
3029
3030 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3031
3032         PR middle-end/52177
3033         * builtins.c (fold_builtin_atomic_always_lock_free,
3034         expand_builtin_atomic_always_lock_free,
3035         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3036         Return and/or test boolean_true_node/boolean_false_node instead of
3037         integer_one_node/integer_zero_node.
3038
3039 2012-02-10  Jan Hubicka  <jh@suse.cz>
3040
3041         PR middle-end/48600
3042         * predict.c (predict_paths_for_bb): Prevent looping.
3043         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3044
3045 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3046
3047         * config/arm/arm.c (output_move_double): In one case properly
3048         count number of instructions that will be emitted.
3049
3050 2012-02-10  Richard Guenther  <rguenther@suse.de>
3051
3052         PR translation/52193
3053         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3054
3055 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3056
3057         PR middle-end/52140
3058         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3059
3060 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3061
3062         PR debug/52165
3063         * var-tracking.c (emit_note_insn_var_location): If
3064         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3065         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3066         non-NOTE_DURING_CALL_P insn.
3067
3068 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3069
3070         PR middle-end/51867
3071         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3072
3073 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3074
3075         PR driver/48524
3076         * gcc.c (switch_matches) Support switches with separated form,
3077         -D and -U.
3078
3079 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3080
3081         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3082         (SP_ADDR): Ditto.
3083         (RAMPZ_ADDR): Ditto.
3084         * config/avr/avr.c (avr_addr_t): New typedef.
3085         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3086         (avr_init_expanders): Initialize it.
3087         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3088         SREG_ADDR.
3089         (expand_epilogue): Ditto.
3090         (avr_print_operand): Ditto.
3091         (avr_file_start): Ditto.
3092         (avr_emit_movmemhi): Ditto.
3093
3094 2012-02-08  Richard Guenther  <rguenther@suse.de>
3095
3096         PR tree-optimization/46886
3097         * tree-flow.h (do_while_loop_p): Declare.
3098         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3099         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3100
3101 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3102
3103         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3104         always succeed for integers larger than a native word.
3105
3106 2012-02-08  Richard Guenther  <rguenther@suse.de>
3107
3108         PR rtl-optimization/52170
3109         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3110         properly handle integer vector modes.
3111
3112 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3113
3114         PR gcov-profile/52150
3115         * coverage.c: Include target.h.
3116         (build_var): Call targetm.strip_name_encoding on the assembler name.
3117         Change one _ into . or $ if the target allows it.
3118         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3119
3120         PR rtl-optimization/52139
3121         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3122         is a BARRIER after emit_insn_after_noloc, move BB_END
3123         to the last non-BARRIER insn before it.
3124
3125 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3126
3127         PR middle-end/24306
3128         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3129         (mips_gimplify_va_arg_expr): Call it instead of
3130         std_gimplify_va_arg_expr.
3131
3132 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3133
3134         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3135         message for -mno-pointers-to-nested-function.
3136
3137 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3138
3139         PR middle-end/51994
3140         * expr.c (get_inner_reference): If there is an offset, add a negative
3141         bit position to it (if any).
3142
3143 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3144
3145         PR rtl-optimization/52060
3146         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3147         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3148         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3149         and/or i0src_copy2 when needed.
3150
3151 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3152
3153         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3154         or LTOPLUGINSONAME if have_c.
3155
3156         * config/freebsd-spec.h: Add comment about what macros can be defined
3157         in this header.
3158         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3159         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3160         here instead.
3161
3162 2012-02-07  Richard Guenther  <rguenther@suse.de>
3163
3164         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3165         newline in -alias dumps.
3166
3167 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3168             Dave Korn  <dave.korn.cygwin@gmail.com>
3169
3170         PR target/40068
3171         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3172         Take care that typinfo gets dllexport-attribute.
3173
3174 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3175
3176         PR middle-end/52074
3177         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3178         if modifier < EXPAND_SUM call force_operand on the result.
3179
3180 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3181
3182         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3183         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3184         present.
3185         (epiphany_function_type): Replace types for specific interrupts with
3186         EPIPHANY_FUNCTION_INTERRUPT.
3187         (EPIPHANY_INTERRUPT_P): Update.
3188         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3189         New static function.
3190         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3191         <disinterrupt>: Affects type identity.
3192         (epiphany_handle_interrupt_attribute): Handle variable number of
3193         arguments.
3194         (epiphany_compute_function_type): Update for new
3195         epiphany_function_type definition.
3196         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3197         handlers with a longcall forwarder.
3198         (epiphany_start_function): Handle multiple interrupt arguments and/or
3199         forwarder_section attribute.
3200
3201         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3202         libgloss.
3203
3204 2012-02-07  Alan Modra  <amodra@gmail.com>
3205
3206         PR target/52107
3207         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3208         subregs of TFmode.
3209
3210 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3211
3212         PR tree-optimization/50969
3213         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3214         use vec_perm rather than vector_stmt.
3215         (vect_model_load_cost): Likewise.
3216         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3217         vec_perm to be the same as other vector statements.
3218         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3219         cost of vec_perm for TARGET_VSX.
3220
3221 2012-02-06  Richard Guenther  <rguenther@suse.de>
3222
3223         PR tree-optimization/52115
3224         * tree-sra.c (access_has_replacements_p): New function.
3225         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3226
3227 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3228
3229         PR middle-end/52047
3230         * trans-mem.c (expand_call_tm): Add an assertion.
3231         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3232         functions.
3233
3234 2012-02-06  Richard Guenther  <rguenther@suse.de>
3235
3236         PR tree-optimization/50955
3237         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3238         raise cost of expressions that replace an address with an
3239         expression based on a different pointer.
3240
3241 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3242
3243         PR target/52129
3244         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3245         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3246
3247 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3248
3249         PR c++/48680
3250         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3251         -Weffc++ and specify guidelines come from second edition.
3252
3253 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3254
3255         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3256         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3257         (call_direct_split, call_value_split, call_value_internal_direct)
3258         (call_value_direct_split, call_value_multiple_split): Use jal and
3259         jal_macro attributes.
3260
3261 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3262
3263         * reload1.c (reload_regs_reach_end_p): Replace with...
3264         (reload_reg_rtx_reaches_end_p): ...this function.
3265         (new_spill_reg_store): Update commentary.
3266         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3267         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3268         before setting new_spill_reg_store.
3269         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3270         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3271         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3272         for non-spill reload registers.
3273
3274 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3275
3276         PR tree-optimization/52091
3277         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3278         (vect_is_simple_use_1): Likewise.
3279         * tree-vect-loop.c (vectorizable_reduction): Update calls
3280         to vect_is_simple_use_1 and vect_is_simple_use.
3281         (vectorizable_live_operation): Likewise.
3282         * tree-vect-patterns.c (widened_name_p,
3283         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3284         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3285         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3286         vectorizable_shift,vectorizable_operation, vectorizable_store,
3287         vectorizable_load): Likewise.
3288         (vect_is_simple_cond): Add an argument, pass it to
3289         vect_is_simple_use_1.
3290         (vectorizable_condition): Update calls to vect_is_simple_cond,
3291         vect_is_simple_use.
3292         (vect_is_simple_use): Add an argument, the statement in which
3293         OPERAND is used.  Check that if OPERAND's def stmt is a double
3294         reduction phi node, the use is a phi node too.
3295         (vect_is_simple_use_1): Add an argument, pass it to
3296         vect_is_simple_use.
3297         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3298         to vect_is_simple_use.
3299
3300 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3301
3302         PR rtl-optimization/52095
3303         * modulo-sched.c (dump_insn_locator): New function.
3304         (loop_canon_p, sms_schedule): Use it.
3305
3306         PR rtl-optimization/52113
3307         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3308         even for decomposable shift/zext insns.
3309
3310 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3311             Zdenek Dvorak  <ook@ucw.cz>
3312
3313         PR rtl-optimization/52092
3314         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3315         on get_iv_value result.
3316
3317 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3318
3319         PR middle-end/47982
3320         PR middle-end/43967
3321         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3322
3323 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3324
3325         PR middle-end/48071
3326         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3327
3328 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3329
3330         PR rtl-optimization/49800
3331         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3332         (sched_finish): Call regstat_free_n_sets_and_refs.
3333
3334 2012-02-02  Jia Liu  <proljc@gmail.com>
3335
3336         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3337         than operand 2.
3338
3339 2012-02-02  Jan Hubicka  <jh@suse.cz>
3340             Tom de Vries  <tom@codesourcery.com>
3341
3342         PR middle-end/51998
3343         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3344         * varpool.c (varpool_analyze_pending_decls): Likewise.
3345
3346 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3347             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3348
3349         * config.gcc: Add cr16-* support.
3350
3351         * doc/extend.texi: Document cr16 extensions.
3352         * doc/install.texi: Document cr16 install.
3353         * doc/invoke.texi: Document cr16 options.
3354         * doc/md.texi: Document cr16 constraints.
3355
3356         * common/config/cr16/cr16-common.c: New file.
3357         * config/cr16/cr16.c: New file.
3358         * config/cr16/cr16.h: New file.
3359         * config/cr16/cr16.md: New file.
3360         * config/cr16/cr16.opt: New file.
3361         * config/cr16/cr16-protos.h: New file.
3362         * config/cr16/predicates.md: New file.
3363         * config/cr16/constraints.md: New file.
3364         * config/cr16/t-cr16: New file.
3365
3366 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3367
3368         PR target/52086
3369         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3370         that operands[2] is either immediate, or q_regs_operand.
3371
3372         PR tree-optimization/52073
3373         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3374         a pattern stmt for pattern uses, ignore uses outside of the loop.
3375
3376 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3377
3378         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3379         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3380         (OUT_AS1, OUT_AS2): Remove.
3381
3382 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3383
3384         PR rtl-optimization/51374
3385         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3386         to cross other volatile_refs_p insns.
3387
3388 2012-02-01  Richard Guenther  <rguenther@suse.de>
3389
3390         * doc/invoke.texi (fno-inline): Clarify documentation.
3391         (finline-small-functions): Likewise.
3392         (finline-functions): Likewise.
3393         * common.opt (finline): Adjust comment and documentation.
3394         (finline-small-functions): Clarify documentation.
3395         (finline-functions): Likewise.
3396         (finline-functions-called-once): Likewise.
3397
3398 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3399
3400         * c-typeck.c (composite_type): Keep mode for pointers.
3401
3402 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3403
3404         * function.h (regno_reg_rtx): Adjust comment.
3405         * reginfo.c (init_reg_modes_target): Only use the previous mode
3406         if it fits within one register.  Remove MIPS comment.
3407
3408 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3409
3410         PR bootstrap/52058
3411         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3412
3413 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3414
3415         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3416         to srak instruction.
3417
3418 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3419
3420         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3421
3422 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3423
3424         PR bootstrap/52041
3425         PR bootstrap/52039
3426         PR target/51974
3427         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3428
3429 2012-01-31  Richard Guenther  <rguenther@suse.de>
3430
3431         PR tree-optimization/51528
3432         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3433         assigns.
3434
3435 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3436
3437         PR bootstrap/52041
3438         PR bootstrap/52039
3439         PR target/51974
3440         * ree.c (add_removable_extension): Change def_map argument
3441         to unsigned *, store in def_map 1 + offset into *insn_list vector
3442         instead of pointers into the vector.
3443         (find_removable_extensions): Adjust caller.
3444
3445 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3446
3447         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3448         Transform all "* quoted-c-code" to { c-code }.
3449         Remove redundant test for "optimize" in combine patterns.
3450         Move (include "avr-dimode.md") to end of file.
3451
3452 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3453
3454         PR target/51835
3455         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3456         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3457
3458 2012-01-30  Richard Guenther  <rguenther@suse.de>
3459
3460         PR tree-optimization/52028
3461         * tree-loop-distribution.c (ldist_gen): Properly update
3462         virtual SSA form.
3463
3464 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3465
3466         PR debug/52027
3467         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3468         set_cur_line_info_table if not emitting debug info.
3469
3470         PR tree-optimization/52046
3471         * tree-vect-patterns.c (check_bool_pattern): Give up if
3472         a comparison could throw.
3473
3474         PR debug/52048
3475         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3476
3477 2012-01-30  Richard Guenther  <rguenther@suse.de>
3478
3479         PR tree-optimization/52045
3480         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3481         SSA form if cfgcleanup did anything.
3482
3483 2012-01-30  Richard Guenther  <rguenther@suse.de>
3484
3485         PR tree-optimization/52045
3486         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3487         before computing final todo.
3488
3489 2012-01-30  Richard Guenther  <rguenther@suse.de>
3490
3491         PR tree-optimization/51528
3492         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3493         for PR51528 fix.
3494
3495 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3496
3497         * df-problems.c (df_kill_notes): Check that the use refers
3498         to the note under examination.
3499
3500 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3501
3502         PR target/51920
3503         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3504         parameter and use short-lived pseudos.
3505         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3506         (sparc_expand_vector_init): Const-ify local variables and adjust
3507         calls to above functions.
3508
3509 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3510
3511         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3512
3513 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3514
3515         * doc/invoke.texi: Make usage of "compile time" and
3516         "run time"/"runtime" consistent throughout the file.
3517
3518 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3519
3520         * config/alpha/alpha.c (alpha_option_override): Default to
3521         full IEEE compliance mode for Go language.
3522
3523 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3524
3525         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3526         (LINK_SSP_SPEC): Define.
3527
3528 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3529
3530         PR target/51871
3531         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3532         stubs.
3533
3534 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3535
3536         * doc/invoke.texi: Correct hyphenation of "floating point",
3537         "double precision", and related terminology throughout the file.
3538
3539 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3540
3541         PR target/52006
3542         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3543         arm_general_register_operand predicate for operand 2 instead of
3544         register_operand.
3545
3546 2012-01-27  Ian Lance Taylor  <iant@google.com>
3547
3548         PR go/47656
3549         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3550         * builtins.c (expand_builtin_init_trampoline): Add onstack
3551         parameter.  Change caller.
3552         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3553         * tree.c (build_common_builtin_nodes): Declare
3554         __builtin_init_heap_trampoline.
3555
3556 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3557
3558         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3559         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3560         * config/avr/avr.c: Ditto.
3561         (avr_regnames): Remove because unused.
3562         * config/avr/avr.md (*cpse.ne): New peephole.
3563         (*cpse.eq): New peephole from former cpse peepholes.
3564
3565 2012-01-27  Michael Eager  <eager@eagercon.com>
3566
3567         * config/microblaze.c (microblaze_emit_compare): Correct
3568         test after pcmp instruction.
3569
3570 2012-01-27  Richard Guenther  <rguenther@suse.de>
3571
3572         PR tree-optimization/52020
3573         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3574
3575 2012-01-27  Richard Guenther  <rguenther@suse.de>
3576
3577         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3578         function non-const/pure.
3579
3580 2012-01-27  Richard Guenther  <rguenther@suse.de>
3581
3582         PR tree-optimization/50444
3583         * tree-sra.c (build_ref_for_offset): Properly adjust the
3584         MEM_REF type for unaligned accesses.
3585
3586 2012-01-27  Richard Guenther  <rguenther@suse.de>
3587
3588         PR tree-optimization/50444
3589         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3590         (expand_assignment): Use it.  Properly handle misaligned
3591         bases when expanding stores to component references.
3592         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3593         refactor that case.
3594
3595 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3596
3597         PR middle-end/51389
3598         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3599         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3600         * tree-data-ref.c (find_data_references_in_loop): Make static.
3601         (compute_all_dependences): Change return type to bool.  Bail out
3602         for too many datarefs in a loop.  Move the hunk resetting the data
3603         dependences vector from ...
3604         (compute_data_dependences_for_loop): ... here.  Account for
3605         compute_all_dependences returning false.
3606         (compute_data_dependences_for_bb): Likewise.
3607         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3608         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3609
3610 2012-01-27  Richard Guenther  <rguenther@suse.de>
3611
3612         PR middle-end/51959
3613         * expr.c (store_field): Use the alias-set of the scratch memory
3614         for storing to it.
3615
3616 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3617
3618         PR tree-optimization/51990
3619         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3620         WITH_SIZE_EXPR.
3621         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3622
3623 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3624
3625         PR debug/52001
3626         * var-tracking.c (reverse_op): Don't add any reverse operation
3627         if V already has any constant locations.
3628
3629 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3630
3631         * doc/invoke.texi: Correct usage of "command line" (noun)
3632         vs "command-line" (adjective) throughout.
3633
3634 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3635
3636         * doc/invoke.texi (Language Independent Options): Move
3637         -Wcoverage-mismatch blurb from here....
3638         (Warning Options): ...to here.
3639
3640 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3641
3642         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3643         Set rs6000_always_hint to false for 476.
3644
3645 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3646
3647         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3648           system root.
3649         * incpath.c (add_standard_paths): Likewise.
3650
3651 2012-01-27  Richard Henderson  <rth@redhat.com>
3652
3653         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3654         * config/m68k/sync.md (atomic_test_and_set): Rename from
3655         sync_test_and_setqi and adjust the operands.
3656         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3657         and unconditionally enable.
3658
3659 2012-01-27  Richard Henderson  <rth@redhat.com>
3660
3661         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3662         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3663         (ldstub): Rename from ldstubqi.
3664         (ldstub<I24MODE>): Remove.
3665
3666 2012-01-27  Richard Henderson  <rth@redhat.com>
3667
3668         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3669         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3670         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3671         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3672         * doc/tm.texi: Rebuild.
3673
3674 2012-01-27  Richard Henderson  <rth@redhat.com>
3675
3676         * optabs.c (gen_atomic_test_and_set): Remove default.
3677         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3678
3679 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3680
3681         PR rtl-optimization/51978
3682         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3683         (combine_reaching_defs): Likewise.
3684         (struct re_info): Remove.
3685         (add_removable_extension): Remove x and data arguments,
3686         add insn, insn_list and def_map.  Use the arguments directly
3687         instead of using struct re_info.
3688         (find_removable_extensions): Don't call add_removable_extension
3689         through note_stores, instead just call it with single_set
3690         result if non-NULL.
3691         (find_and_remove_re): Pass curr_cand->expr instead of
3692         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3693
3694 2012-01-26  Michael Matz  <matz@suse.de>
3695
3696         PR tree-optimization/46590
3697         * cfgexpand.c: Revert last change (r183305).
3698         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3699         regs.
3700         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3701         checking for emptiness.
3702
3703 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3704
3705         PR middle-end/51895
3706         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3707         non-addressable non-BLKmode base correctly.
3708
3709 2012-01-26  Michael Matz  <matz@suse.de>
3710
3711         PR tree-optimization/48794
3712         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3713         regions referenced from RESX/EH_DISPATCH.
3714
3715 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3716
3717         * config/s390/s390.h: Make BRANCH_COST an option.
3718         * config/s390/s390.opt: New option -mbranch-cost.
3719
3720 2012-01-26  Richard Henderson  <rth@redhat.com>
3721
3722         Revert 2012-01-24 change:
3723         * trans-mem.c (requires_barrier): Do not instrument thread local
3724         variables and emit save/restore for them.
3725
3726 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3727
3728         PR middle-end/51986
3729         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3730         for pat == 0.
3731
3732 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3733
3734         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3735         ASM_OPERANDS.
3736
3737 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3738
3739         PR target/49868
3740         Rename __pgm to __flash.
3741         Rename __pgm1 to __flash1.
3742         Rename __pgm2 to __flash2.
3743         Rename __pgm3 to __flash3.
3744         Rename __pgm4 to __flash4.
3745         Rename __pgm5 to __flash5.
3746         Rename __pgmx to __memx.
3747         * doc/extend.texi (AVR Named Address Spaces)
3748         Rename address space names as indicated above.
3749         * config/avr/avr.c (avr_addrspace): Ditto.
3750
3751         * config/avr/avr-protos.h
3752         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3753         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3754         * config/avr/predicates.md: Ditto.
3755         * config/avr/avr.c Ditto, and
3756         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3757         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3758
3759         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3760         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3761         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3762         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3763         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3764         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3765         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3766         * config/avr/avr.c: Ditto.
3767         * config/avr/avr.md: Ditto.
3768
3769 2012-01-25  Jason Merrill  <jason@redhat.com>
3770
3771         PR c++/51992
3772         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3773
3774 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3775
3776         PR tree-optimization/51987
3777         * tree-data-ref.c (get_references_in_stmt): Handle references in
3778         non-volatile GIMPLE_ASM.
3779
3780 2012-01-25  Richard Guenther  <rguenther@suse.de>
3781
3782         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3783         bases are dereferenced.
3784
3785 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3786
3787         PR rtl-optimization/48374
3788         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3789
3790 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3791
3792         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3793         compute_data_dependences_for_loop returns false.
3794         * tree-parloops.c (loop_parallel_p): Likewise.
3795
3796 2012-01-25  Richard Guenther  <rguenther@suse.de>
3797
3798         * tree.h (get_pointer_alignment_1): Declare.
3799         * builtins.c (get_pointer_alignment_1): New function.
3800         (get_pointer_alignment): Use it.
3801
3802 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3803
3804         PR rtl-optimization/48308
3805         * combine.c (enum undo_kind): Add UNDO_LINKS.
3806         (struct undo): Add member l to other_contents and where.
3807         (do_SUBST_LINK): New.
3808         (SUBST_LINK): New.
3809         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3810         (undo_all): Handle UNDO_LINKS.
3811
3812 2012-01-25  Richard Henderson  <rth@redhat.com>
3813
3814         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3815         mem inputs.
3816
3817 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3818
3819         * optabs.c (gen_atomic_test_and_set): Use each argument.
3820
3821 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3822
3823         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3824         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3825         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3826         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3827         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3828         TARGET_PAIRED_SINGLE_FLOAT.
3829
3830 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3831
3832         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3833         (in_struct, return_val): Remove MEM documentation.
3834         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3835         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3836         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3837         and MEM_SCALAR.
3838         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3839         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3840         * expr.c (store_field): Likewise.
3841         * function.c (assign_stack_temp_for_type): Likewise.
3842         * ifcvt.c (noce_try_cmove_arith): Likewise.
3843         * reload1.c (reload): Likewise.
3844         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3845         (alpha_set_memflags): Likewise.
3846         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3847
3848 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3849
3850         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3851         parameter.
3852         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3853         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3854         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3855         varies parameter.
3856         * cselib.c (cselib_rtx_varies_p): Delete.
3857         (cselib_invalidate_mem): Update call to canon_true_dependence.
3858         * dse.c (record_store, check_mem_read_rtx): Likewise.
3859         (scan_reads_nospill): Likewise.
3860         * cse.c (check_dependence): Likewise.
3861         (cse_rtx_varies_p): Delete.
3862         * expr.c (safe_from_p): Update call to true_dependence.
3863         * ira.c (validate_equiv_mem_from_store): Likewise.
3864         (memref_referenced_p): Likewise.
3865         * postreload-gcse.c (find_mem_conflicts): Likewise.
3866         * sched-deps.c (sched_analyze_2): Likewise.
3867         * store-motion.c (load_kills_store): Likewise.
3868         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3869         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3870         (compute_transp): Update call to canon_true_dependence.
3871
3872 2012-01-25  Richard Henderson  <rth@redhat.com>
3873
3874         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3875         (maybe_emit_atomic_test_and_set): New.
3876         (expand_sync_lock_test_and_set): Use it.
3877         (expand_atomic_test_and_set): Likewise.
3878         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3879         the implementation; clarify implementation defined details.
3880         * doc/md.texi (atomic_test_and_set): Document.
3881
3882 2012-01-25  Richard Henderson  <rth@redhat.com>
3883
3884         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3885
3886 2012-01-25  Richard Henderson  <rth@redhat.com>
3887
3888         PR target/51968
3889         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3890         to effect no-op split.
3891
3892 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3893
3894         PR lto/51698
3895         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3896         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3897         (BT_FN_VOID_PTR_INT_SIZE): New.
3898         (BT_FN_UINT_UINT_VAR): Remove.
3899         (BT_FN_UINT32_UINT32_VAR): New.
3900         (BT_FN_DOUBLE_VPTR): Remove.
3901         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3902
3903         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3904         (_ITM_changeTransactionMode): Same.
3905         (_ITM_memmoveRtWt): Change return type to void.
3906         (_ITM_memcpyRtWt): Same.
3907         (_ITM_memsetW): Same.
3908         (_ITM_RaRD): Change types to double.
3909         (_ITM_RD): Same.
3910         (_ITM_RaWD): Same.
3911         (_ITM_RfWD): Same.
3912
3913         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3914
3915 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3916             Patrick Marlier  <patrick.marlier@gmail.com>
3917
3918         * trans-mem.c (requires_barrier): Do not instrument thread local
3919         variables and emit save/restore for them.
3920
3921 2012-01-24  Jason Merrill  <jason@redhat.com>
3922
3923         PR c++/51812
3924         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3925         output static aliases.
3926
3927 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3928
3929         PR driver/47249
3930         * common.opt (-pie, -shared, pie, shared): Change from Common to
3931         Driver.
3932         * gcc.c (display_help): Display help for -pie and -shared.
3933
3934 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3935
3936         PR target/49868
3937         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3938         Remove note on size/offset limitation.
3939         (AVR Variable Attributes): Add example how to read data located
3940         with progmem.  Refer to named address spaces.
3941         * doc/invoke.texi (AVR Options): Fix typo.
3942
3943 2012-01-24  Richard Guenther  <rguenther@suse.de>
3944
3945         Forward-port to trunk
3946         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3947
3948         PR middle-end/45678
3949         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3950         op0 isn't sufficiently aligned and there is movmisalignM
3951         insn for mode, use it to load op0 into a temporary register.
3952
3953 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3954
3955         PR target/51957
3956         * target.def (const_not_ok_for_debug_p): New hook.
3957         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3958         documentation.
3959         * doc/tm.texi: Regenerated.
3960         * dwarf2out.c (const_ok_for_output_1): If
3961         targetm.const_not_ok_for_debug_p returns true, fail.
3962         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3963         function.
3964         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3965
3966 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3967
3968         PR target/51900
3969         * config/i386/predicates.md (symbolic_operand): Allow
3970         UNSPEC_PCREL as PIC expression for lea.
3971         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3972         * config/i386/i386.c (ix86_delegitimize_address): Handle
3973         UNSPEC_PCREL for none-MEM, too.
3974
3975 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3976
3977         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3978         (ipa_tm_create_version_alias): Same.
3979
3980 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3981
3982         PR libitm/51830
3983         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3984         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3985
3986 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3987             Patrick Marlier  <patrick.marlier@gmail.com>
3988             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3989
3990         PR lto/51916
3991         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3992         simple_object_start_read.
3993
3994 2012-01-23  Richard Guenther  <rguenther@suse.de>
3995
3996
3997         PR tree-optimization/51895
3998         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3999         parameter decomposition into BLKmode components.
4000
4001 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
4002
4003         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4004         fake variables for restrict-qualified pointers whose pointed-to type
4005         contains a placeholder.
4006
4007 2012-01-23  Richard Guenther  <rguenther@suse.de>
4008
4009         PR tree-optimization/51949
4010         * ipa-split.c (execute_split_functions): Do not split malloc functions.
4011
4012 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
4013
4014         PR rtl-optimization/51933
4015         * ree.c (transform_ifelse): Return true right away if dstreg is
4016         already wider or equal to cand->mode.
4017         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4018         (make_defs_and_copies_lists): Remove defs_list and copies_list
4019         arguments, add state argument, just truncate state->work_list
4020         instead of always allocating and freeing the vector.  Assert that
4021         get_defs succeeds instead of returning 2.  Changed return type to bool.
4022         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
4023         have ext_src_mode, see if it has been modified already with the
4024         right kind of extension and has been extended before from the
4025         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
4026         just return true.  Remember the original mode in state->modified array.
4027         (combine_reaching_defs): Add state argument.  Don't allocate and
4028         free here def_list, copied_list and vec vectors, instead just
4029         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
4030         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4031         Add state variable, clear vectors in it, initialize state.modified
4032         if needed.  Free all the vectors at the end and state.modified too.
4033         Don't skip a candidate if the extension expression has been modified.
4034
4035 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
4036
4037         PR target/47096
4038         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4039          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4040         (extra_options) interix.opt -> i386/interix.opt"
4041         (extra_objs):Add winnt-stubs.o
4042         * configure.ac: Add interix to target_os .comm on PE check.
4043         * configure: Regenerate.
4044         * config/interix3.h: Delete and move bits to..
4045         * config/interix.h: Delete and move bits to..
4046         * config/i386/i386-interix3.h: Delete and move bits to..
4047         * config/i386/i386-interix.h: ..here.
4048         (TARGET_CPU_DEFAULT): Remove redefinition.
4049         (TARGET_ASM_CONSTRUCTOR): Undefine.
4050         (SUBTARGET_SWITCHES): Define for ms-bitfields.
4051         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4052         (PTRDIFF_TYPE): Define.
4053         (LONG_DOUBLE_TYPE_SIZE): Define.
4054         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4055         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4056         (TARGET_SECTION_TYPE_FLAGS): Define.
4057         (ASM_DECLARE_FUNCTION_NAME): Define.
4058         (ASM_OUTPUT_EXTERNAL): Define.
4059         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4060         (ASM_OUTPUT_ALIGNED_BSS): Define.
4061         (PCC_BITFIELD_TYPE_MATTERS): Define.
4062         (USE_CONST_SECTION): Define.
4063         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4064         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4065         (SUPPORTS_ONE_ONLY): Remove.
4066         (I386_PE_STRIP_ENCODING): Define.
4067         * config/interix.opt: Delete and move bits to..
4068         * config/i386/interix.opt: ..here. New.
4069         (mpe-aligned-commons): Add.
4070         * config/i386/t-interix: Add copyright header.
4071         (winnt-stubs.o): Add rule.
4072
4073 2012-01-22  Jason Merrill  <jason@redhat.com>
4074
4075         PR c++/51832
4076         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4077         for extra name aliases.
4078
4079 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4080
4081         PR rtl-optimization/51924
4082         * ree.c (combine_set_extension): Improve debugging message.
4083         (combine_reaching_defs): Likewise.
4084         (get_defs): Rename confusingly named variable.
4085         (find_and_remove_re): Skip a candidate if the extension expression has
4086         been modified.
4087
4088 2012-01-21  Robert Millan  <rmh@gnu.org>
4089             Gerald Pfeifer  <gerald@pfeifer.com>
4090
4091         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4092         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4093
4094 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4095
4096         PR tree-optimization/51914
4097         * tree-vect-stmts.c (vectorizable_conversion): For
4098         cvt_type && modifier == WIDEN, put temporary with cvt_type
4099         at the beginning of vec_dsts and set vec_dest to temporary
4100         with vectype_out.
4101
4102 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
4103
4104         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4105
4106 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
4107
4108         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4109         * config/rs6000/rs6000.c: Likewise.
4110
4111 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4112
4113         PR target/51915
4114         * config/arm/arm.c (arm_count_output_move_double_insns): Call
4115         output_move_double on a copy of operands array.
4116
4117 2012-01-20  Cary Coutant  <ccoutant@google.com>
4118             Dodji Seketeli  <dodji@redhat.com>
4119
4120         PR debug/45682
4121         * dwarf2out.c (copy_declaration_context): Return ref to parent
4122         of declaration DIE, if necessary.
4123         (remove_child_or_replace_with_skeleton): Add new parameter; update
4124         caller.  Place skeleton DIE under parent DIE of original declaration.
4125         Move call to copy_declaration_context to here ...
4126         (break_out_comdat_types): ... from here.
4127
4128 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4129
4130         PR rtl-optimization/51856
4131         * reload.c (find_reloads_subreg_address): Set the address_reloaded
4132         flag to reloaded.
4133
4134 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4135
4136         PR target/51819
4137         * config/arm/arm.c (arm_print_operand): Correct output of alignment
4138         hints for neon loads and stores.
4139
4140 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
4141
4142         PR target/49868
4143         PR target/50887
4144         * doc/extend.texi (Named Address Spaces): Split into subsections.
4145         (AVR Named Address Spaces): New subsection.
4146         (M32C Named Address Spaces): New subsection.
4147         (RL78 Named Address Spaces): New subsection.
4148         (SPU Named Address Spaces): New subsection.
4149         (Variable Attributes): New anchor "AVR Variable Attributes".
4150         (AVR Variable Attributes): Rewrite and avoid wording
4151         "address space" in this context.
4152         * doc/invoke.texi (AVR Options): Rewrite and add documentation
4153         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4154         (AVR Built-in Macros): New subsubsection therein.
4155         * doc/md.texi (AVR constraints): Remove "C04", "R".
4156
4157 2012-01-20  Richard Guenther  <rguenther@suse.de>
4158
4159         PR tree-optimization/51903
4160         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4161         when removing stmts.
4162
4163 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4164
4165         PR target/50313
4166         * config/arm/arm.c (arm_load_pic_register): Use
4167         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4168         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4169         (arm_pic_static_addr): Likewise.
4170         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4171         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4172         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4173         (pic_load_addr_unified): New.
4174
4175 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
4176
4177         PR target/51106
4178         * function.c (instantiate_virtual_regs_in_insn): Use
4179         delete_insn_and_edges when removing a wrong asm insn.
4180
4181 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
4182
4183         PR rtl-optimization/40761
4184         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4185         Add new member loop_num.
4186         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4187         (ira_build): Remove the parameter.
4188
4189         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4190         (ira.c): Do not build CFG loops for one region allocation.  Remove
4191         argument from ira_build call.
4192
4193         * ira-build.c (init_loop_tree_node): New function.
4194         (create_loop_tree_nodes): Use it.  Separate the case when CFG
4195         loops are not built.
4196         (more_one_region_p): Check current_loops.
4197         (finish_loop_tree_nodes): Separate the case when CFG loops are not
4198         built.
4199         (add_loop_to_tree): Process loop equal to NULL too.
4200         (form_loop_tree): Separate the case when CFG loops are not built.
4201         Use explicitly number for the root.
4202         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4203         an assertion.
4204         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4205         instead of loop->num.
4206         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
4207         (mark_all_loops_for_removal): Ditto.
4208         (remove_unnecessary_regions): Separate the case when CFG loops
4209         are not built.
4210         (ira_build): Remove the parameter.  Use explicit number of regions
4211         when CFG loops are not built.
4212
4213         * ira-color.c (print_loop_title): Separate the case for the root node.
4214         Use loop_num instead of loop->num.
4215         (move_spill_restore): Use loop_num instead of loop->num.
4216
4217         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4218         (change_loop): Ditto.
4219         (change_loop): Use loop_num instead of loop->num.
4220
4221         * ira-lives.c (process_bb_node_lives): Ditto.
4222
4223         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4224
4225         * ira-conflicts.c (print_allocno_conflicts): Ditto.
4226
4227 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
4228
4229         PR libmudflap/40778
4230         * tree-mudflap.c (mf_artificial): New function.
4231         (execute_mudflap_function_ops, execute_mudflap_function_decls,
4232         mx_register_decls, mudflap_enqueue_decl): Use it.
4233
4234         PR target/51876
4235         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4236         numbers in the insn pattern.
4237
4238 2012-01-19  Michael Matz  <matz@suse.de>
4239
4240         PR tree-optimization/46590
4241         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4242         use it in remembering which conflicts we already created.
4243         (add_scope_conflicts): Adjust call to above, (de)allocate helper
4244         bitmap.
4245
4246 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
4247
4248         PR lto/51280
4249         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4250         (merge_and_complain): Same.
4251
4252 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
4253
4254         PR bootstrap/50237
4255         * config/initfini-array.h: Guard content of the header
4256         with #ifdef HAVE_INITFINI_ARRAY.
4257         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4258         Add initfini-array.h to tm_file here.
4259         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4260         * config.gcc: Don't add initfini-array.h to tm_file here.
4261         * configure: Regenerated.
4262
4263 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
4264
4265         PR rtl-optimization/51505
4266         * df-problems.c (df_kill_notes): New parameter live. Update comment.
4267         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4268         (df_note_bb_compute): Update the call to df_kill_notes.
4269
4270 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
4271
4272         * trans-mem.c (requires_barrier): Remove call to is_global_var.
4273
4274 2012-01-18  Richard Guenther  <rguenther@suse.de>
4275
4276         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4277         of conversions to void *.
4278
4279 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4280             Richard Sandiford  <rdsandiford@googlemail.com>
4281
4282         PR middle-end/50325
4283         PR middle-end/51192
4284         * optabs.h (simplify_expand_binop): Declare.
4285         * optabs.c (simplify_expand_binop): Make global.
4286         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4287         endian targets if the source cannot be exactly covered by word
4288         mode chunks.
4289
4290 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
4291
4292         PR bootstrap/51872
4293         * hard-reg-set.h (struct hard_reg_set_container): New type.
4294         * target.h (struct hard_reg_set_container): Forward declare.
4295         * target.def (set_up_by_prologue): New target hook.
4296         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4297         * doc/tm.texi: Regenerated.
4298         * function.c (thread_prologue_and_epilogue_insns): Change
4299         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4300         Call targetm.set_up_by_prologue on it.
4301         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4302         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4303
4304 2012-01-17  Nick Clifton  <nickc@redhat.com>
4305
4306         * config/rx/rx.c (rx_can_use_simple_return): New function.
4307         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4308         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4309
4310 2012-01-17  Richard Guenther  <rguenther@suse.de>
4311
4312         PR middle-end/51782
4313         * expr.c (expand_assignment): Take address-space information
4314         from the address operand of MEM_REF and TARGET_MEM_REF.
4315         (expand_expr_real_1): Likewise.
4316
4317 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4318
4319         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4320         reload dump is requested.
4321
4322 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
4323
4324         PR other/51165
4325         * trans-mem.c (requires_barrier): Call may_be_aliased.
4326
4327 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
4328
4329         PR tree-optimization/51877
4330         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4331         call arguments and fndecls compare equal, instead return false if they
4332         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
4333         both SSA_NAMEs that are valueized the same, or they satisfy
4334         operand_equal_p.
4335
4336 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4337
4338         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4339         Solaris 11+.
4340         * configure: Regenerate.
4341
4342 2012-01-16  Jan Hubicka  <jh@suse.cz>
4343
4344         PR c/12245
4345         PR c++/14179
4346         * convert.c (convert_to_integer): Use fold_convert for
4347         converting an INTEGER_CST to integer type.
4348
4349 2012-01-16  Jason Merrill  <jason@redhat.com>
4350
4351         PR c++/14179
4352         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4353
4354 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
4355
4356         PR bootstrap/51860
4357         * config/s390/s390.c (s390_chunkify_start): Don't skip
4358         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
4359         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4360         If insn is followed by NOTE_INSN_VAR_LOCATION or
4361         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4362         Don't use location of note insns.
4363
4364         PR tree-optimization/51865
4365         * tree-inline.c (tree_function_versioning): Call remap_decl
4366         on DECL_RESULT whenever it has VOID_TYPE_P type.
4367
4368 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
4369
4370         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4371         for calls to locally-binding MIPS16 functions if only the return
4372         type uses float regs.
4373
4374 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
4375             Richard Sandiford  <rdsandiford@googlemail.com>
4376
4377         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4378         (SYMBOL_32_HIGH): Likewise.
4379         (mips_output_tls_reloc_directive): Declare.
4380         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4381         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4382         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4383         (mips_lo_relocs, mips_hi_relocs): Make extern.
4384         (mips16_stub_function): Move up file.
4385         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4386         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
4387         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
4388         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4389         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
4390         (mips_get_tp): Add MIPS16 support.
4391         (mips_legitimize_tls_address): Remove MIPS16 sorry().
4392         Generalize DTPREL and TPREL handling.
4393         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4394         Add MIPS16 TLS support.
4395         (mips_output_tls_reloc_directive): New function.
4396         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4397         * config/mips/predicates.md (symbolic_operand_with_high)
4398         (tls_reloc_operand): New predicates.
4399         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4400         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4401         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4402         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
4403         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4404         (*tls_get_tp_mips16_call_<mode>): Likewise.
4405
4406 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
4407
4408         PR rtl-optimization/51821
4409         * recog.c (peep2_find_free_register): Determine clobbered registers
4410         from insn pattern.
4411
4412 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
4413
4414         PR target/50925
4415         * config/avr/avr-protos.h: Revert change of 2012-01-09.
4416         * config/avr/avr.c: Likewise.
4417         * config/avr/avr.h: Likewise.
4418
4419 2012-01-13  Ian Lance Taylor  <iant@google.com>
4420
4421         PR c++/50012
4422         * tree.h (TYPE_QUALS): Add cast to int.
4423         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4424
4425 2012-01-13  Ian Lance Taylor  <iant@google.com>
4426
4427         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4428         comparing param_index to VEC_length result.
4429
4430 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
4431
4432         * c-decl.c: Do not include tree-mudflap.h
4433         * tree-optimize.c: Likewise.
4434         * Makefile.in: Update dependencies.
4435
4436 2012-01-13  Richard Guenther  <rguenther@suse.de>
4437
4438         PR middle-end/8081
4439         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4440         variable-sized result always use RSO.
4441
4442 2012-01-12  DJ Delorie  <dj@redhat.com>
4443
4444         * cfgexpand.c (convert_debug_memory_address): Allow any valid
4445         pointer type, not just the default pointer type.
4446
4447 2012-01-09  Richard Henderson  <rth@redhat.com>
4448             Denis Chertykov  <chertykov@gmail.com>
4449
4450         PR target/50925
4451         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4452         * config/avr/avr.c (avr_can_eliminate): Simplify.
4453         (avr_initial_elimination_offset): Likewise.
4454         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4455         (expand_epilogue): Likewise.
4456         (avr_legitimize_address): Gut.
4457         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4458         (avr_hard_regno_nregs): New.
4459         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4460         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4461         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4462         add soft frame pointer.
4463         (CALL_USED_REGISTERS): Likewise.
4464         (REG_CLASS_CONTENTS): Likewise.
4465         (REGISTER_NAMES): Likewise.
4466         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4467         (HARD_FRAME_POINTER_REGNUM): New.
4468         (FRAME_POINTER_REGNUM): Use soft frame pointer.
4469         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4470         remove the HARD_FRAME_POINTER self-elimination.
4471
4472 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
4473
4474         PR target/51756
4475         * config/avr/avr.c (avr_encode_section_info): Test for absence of
4476         DECL_EXTERNAL when checking for initializers of progmem variables.
4477
4478 2012-01-12  Ira Rosen  <irar@il.ibm.com>
4479
4480         PR tree-optimization/51799
4481         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4482         that the last operation is a type demotion.
4483
4484 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
4485
4486         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4487         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4488
4489 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
4490
4491         PR bootstrap/51796
4492         * combine.c (distribute_notes): If i3 is a noreturn call,
4493         allow old_size to be equal to args_size and make sure the
4494         noreturn call gets REG_ARGS_SIZE note.
4495         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4496         on noreturn calls even when the delta is 0.
4497
4498 2012-01-11  Nathan Sidwell  <nathan@acm.org>
4499
4500         * gcov.c (STRING_SIZE): Remove.
4501         (generate_results): Erase annotations for source files with no
4502         coverage information.
4503         (read_line): New.
4504         (output_lines): Use it.
4505
4506 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4507
4508         * gimple.h (gimplify_body): Remove first argument.
4509         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
4510         pointer set here, instead just pass DATA to walk_tree.
4511         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
4512         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4513         (unvisit_body): Likewise, but with unmark_visited.
4514         (gimplify_body): Remove BODY_P argument and adjust.
4515         (gimplify_function_tree): Adjust call to gimplify_body.
4516         * omp-low.c (finalize_task_copyfn): Likewise.
4517
4518 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4519
4520         * tree.h (build_function_decl_skip_args): Add boolean parameter.
4521         (build_function_type_skip_args): Delete.
4522         * tree.c (build_function_type_skip_args): Make static and add
4523         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
4524         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4525         pass it to build_function_type_skip_args.
4526         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4527         (tree_function_versioning): Likewise.
4528         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4529         build_function_decl_skip_args.
4530         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4531         and pass it to build_function_decl_skip_args/tree_function_versioning.
4532         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4533         * ipa-inline-transform.c (save_inline_function_body): Likewise.
4534         * trans-mem.c (ipa_tm_create_version): Likewise.
4535         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4536         * tree-inline.c (declare_return_variable): Remove always-true test.
4537         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
4538         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4539         * ipa-split.c (split_function): Skip the return value for the split
4540         part if it doesn't return.
4541
4542 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4543
4544         PR tree-optimization/49642
4545         * ipa-split.c (forbidden_dominators): New variable.
4546         (check_forbidden_calls): New function.
4547         (dominated_by_forbidden): Likewise.
4548         (consider_split): Check for forbidden dominators.
4549         (execute_split_functions): Initialize and free forbidden
4550         dominators info; call check_forbidden_calls.
4551
4552 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4553
4554         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4555
4556 2012-01-11  Nick Clifton  <nickc@redhat.com>
4557
4558         * config/rx/rx.md (return): Define pattern.
4559
4560 2012-01-11  Richard Guenther  <rguenther@suse.de>
4561
4562         * doc/extend.texi (malloc attribute): Adjust according to
4563         implementation.
4564
4565 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
4566             Patrick Marlier  <patrick.marlier@gmail.com>
4567
4568         PR middle-end/51516
4569         * trans-mem.c (get_cg_data): Traverse aliases if requested.
4570         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4571         (ipa_tm_note_irrevocable): Same.
4572         (ipa_tm_scan_irr_block): Same.
4573         (ipa_tm_decrement_clone_counts): Same.
4574         (ipa_tm_scan_irr_function): Same.
4575         (ipa_tm_create_version_alias): Same.
4576         (ipa_tm_create_version): Same.
4577         (ipa_tm_transform_calls_redirect): Same.
4578         (ipa_tm_transform_calls): Same.
4579         (ipa_tm_transform_transaction): Same.
4580         (ipa_tm_execute): Same.
4581
4582 2012-01-10  Richard Guenther  <rguenther@suse.de>
4583
4584         PR middle-end/51806
4585         * opts.c (common_handle_option): Handle -Werror.
4586
4587 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
4588
4589         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4590         operand number.
4591
4592 2012-01-10  Jason Merrill  <jason@redhat.com>
4593
4594         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4595         information.
4596
4597 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4598
4599         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4600         supports R_386_TLS_GD_PLT reloc.
4601         (gcc_cv_as_ix86_tlsldmplt): Check if linker
4602         supports R_386_TLS_LDM_PLT reloc.
4603         * configure: Regenerate.
4604         * config.in: Regenerate.
4605
4606 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
4607
4608         PR target/49868
4609         Extend __pgmx semantics to linearize memory.
4610         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4611         determine if code comes inline or from libgcc.
4612         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4613         (movmem_qi, movmem_qi): Set constraint #2 to "n".
4614         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4615         (movmemx_qi, movmemx_hi): New insns.
4616         (xload_<mode>_libgcc): Rewrite to new insn condition.
4617         (xload_<mode>): Remove insns.
4618         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4619         cases that don't satisfy avr_xload_libgcc_p().
4620         (avr_addr_space_convert): Allow converting in any direction.
4621         (avr_addr_space_subset_p): Return always true.
4622         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4623         (avr_emit_movmemhi): Ditto.
4624         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4625         (avr_out_movmem): Ditto.
4626         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4627         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4628         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4629         (avr_encode_section_info): Encode 'progmem' in symbol flags.
4630         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4631
4632 2012-01-10  Richard Guenther  <rguenther@suse.de>
4633
4634         PR tree-optimization/50913
4635         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4636         Require data-refs to be representable by Graphite with respect
4637         to any loop nest.
4638
4639 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
4640
4641         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4642         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4643
4644 2012-01-10  Tom de Vries  <tom@codesourcery.com>
4645
4646         PR rtl-optimization/51271
4647         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4648         handling annulled branch.
4649
4650 2012-01-10  Richard Henderson  <rth@redhat.com>
4651
4652         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4653         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4654         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4655         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4656         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4657         arm_expand_vec_perm_const): New.
4658         * config/arm/arm-protos.h: Update.
4659         * config/arm/neon.md (UNSPEC_VCONCAT): New.
4660         (*neon_vswp<VDQX>): New.
4661         (neon_vcombine<VDX>): Use neon_split_vcombine.
4662         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4663         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4664         (vec_perm<VE>): New.
4665
4666 2012-01-10  Richard Henderson  <rth@redhat.com>
4667
4668         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4669         use it if reload_completed.
4670         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4671         arm_output_asm_insn, arm_process_output_memory_barrier,
4672         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4673         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4674         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4675         arm_process_output_sync_insn, arm_output_sync_insn,
4676         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4677         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4678         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4679         (emit_unlikely_jump): New.
4680         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4681         (arm_split_atomic_op): New.
4682         * config/arm/arm-protos.h: Update.
4683         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4684         (struct arm_sync_generator): Remove.
4685         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4686         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4687         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4688         (VUNSPEC_LL, VUNSPEC_SC): New.
4689         (sync_result, sync_memory, sync_required_value, sync_new_value,
4690         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4691         (attr length): Don't use arm_sync_loop_insns.
4692         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4693         (movsfcc, movdfcc): Likewise.
4694         * config/arm/constraints.md (Ua): New.
4695         * config/arm/prediates.md (mem_noofs_operand): New.
4696         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4697         (sync_clobber, sync_t2_reqd): Remove.
4698         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4699         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4700         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4701         (arm_sync_compare_and_swap<SIDI>): Remove.
4702         (arm_sync_compare_and_swap<NARROW>): Remove.
4703         (arm_sync_lock_test_and_set<SIDI>): Remove.
4704         (arm_sync_lock_test_and_set<NARROW>): Remove.
4705         (arm_sync_new_<syncop><SIDI>): Remove.
4706         (arm_sync_new_<syncop><NARROW>): Remove.
4707         (arm_sync_new_nand<SIDI>): Remove.
4708         (arm_sync_new_nand<NARROW>): Remove.
4709         (arm_sync_old_<syncop><SIDI>): Remove.
4710         (arm_sync_old_<syncop><NARROW>): Remove.
4711         (arm_sync_old_nand<SIDI>): Remove.
4712         (arm_sync_old_nand<NARROW>): Remove.
4713         (*memory_barrier): Merge arm_output_memory_barrier.
4714         (atomic_compare_and_swap<QHSD>): New.
4715         (atomic_compare_and_swap<NARROW>_1): New.
4716         (atomic_compare_and_swap<SIDI>_1): New.
4717         (atomic_exchange<QHSD>): New.
4718         (cas_cmp_operand, cas_cmp_str): New.
4719         (atomic_op_operand, atomic_op_str): New.
4720         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4721         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4722         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4723         (arm_load_exclusive<NARROW>): New.
4724         (arm_load_exclusivesi, arm_load_exclusivedi): New.
4725         (arm_store_exclusive<QHSD>): New.
4726
4727 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4728
4729         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4730         reload patterns if -mvsx-scalar-memory.
4731
4732         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4733         generated, even -mno-vsx-scalar-double was used.
4734         (vsx_xscvdpsp_scalar): Likewise.
4735         (vsx_xscvspdp_scalar2): Likewise.
4736
4737 2012-01-09  Tom de Vries  <tom@codesourcery.com>
4738             Andrew Pinski  <apinski@cavium.com>
4739
4740         PR debug/51471
4741         * reorg.c (fill_slots_from_thread): Don't speculate
4742         frame-related insns.
4743
4744 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
4745
4746         * sched-int.h (bb_note): Move to...
4747         * basic-block.h: ...here.
4748         * haifa-sched.c (bb_note): Move to...
4749         * cfgrtl.c: ...here.
4750         * function.c (next_block_for_reg): New function.
4751         (move_insn_for_shrink_wrap): Likewise.
4752         (prepare_shrink_wrap): Rewrite to use the above.
4753
4754 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
4755
4756         * gimple.c (is_gimple_non_addressable): Remove.
4757         * gimple.h: Remove is_gimple_non_addressable.
4758         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4759         is_gimple_non_addressable.
4760         * trans-mem.c (expand_assign_tm): Same.
4761
4762 2012-01-09  Richard Guenther  <rguenther@suse.de>
4763
4764         PR tree-optimization/51775
4765         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4766         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4767
4768 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4769
4770         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4771         tuning parameters.
4772         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4773
4774 2012-01-09  Richard Guenther  <rguenther@suse.de>
4775
4776         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4777
4778 2012-01-08  Jan Hubicka  <jh@suse.cz>
4779
4780         PR tree-optimize/51680
4781         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4782         on when known_vals needs to be computed; cleanup.
4783
4784 2012-01-08  Jan Hubicka  <jh@suse.cz>
4785
4786         PR tree-optimize/51694
4787         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4788
4789 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
4790
4791         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4792         for -std=c++98 and -std=c++11 too.
4793
4794 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
4795
4796         * cfgloop.c (cancel_loop): Add free() of bbs array.
4797
4798 2012-01-07  Jan Hubicka  <jh@suse.cz>
4799
4800         PR tree-optimization/51600
4801         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4802         that benefits small functions.
4803
4804 2012-01-07  Jan Hubicka  <jh@suse.cz>
4805
4806         * ipa-inline.c (want_inline_small_function_p): Fix formating.
4807
4808 2012-01-07  Jan Hubicka  <jh@suse.cz>
4809
4810         PR tree-optimization/51680
4811         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4812         whose inlining reduce unit size.
4813
4814 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
4815
4816         PR bootstrap/51725
4817         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4818         Add canonical node to containing_mem chain after the non-canonical
4819         one, even if there weren't any locs to propagate.
4820         (remove_useless_values): Keep only canonical values.
4821         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4822         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
4823         canonicalize mem_chain elements that are not discarded.
4824
4825 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
4826
4827         PR target/47333
4828         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4829         before emitting functions.
4830
4831         PR gcov-profile/50127
4832         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4833         clear_aux_for_blocks.
4834
4835 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
4836
4837         PR debug/51746
4838         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4839
4840 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
4841
4842         * c-decl.c (ext_block): Moved up.
4843         (collect_all_refs, for_each_global_decl): Take ext_block into account.
4844
4845 2012-01-06  Han Shen  <shenhan@google.com>
4846
4847         Translate built-in include paths for sysroot.
4848         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4849         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4850
4851         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4852         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4853
4854         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4855         control whether sysroot should be prepended to gxx include dir.
4856
4857         * configure: Regenerate.
4858
4859 2012-01-06  Torvald Riegel  <triegel@redhat.com>
4860
4861         PR rtl-optimization/51771
4862         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4863         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4864
4865 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4866
4867         PR tree-optimization/51315
4868         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4869         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4870
4871 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
4872
4873         PR target/51681
4874         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4875         for shrp pattern.  Correctly handle and fixup shift variable.
4876         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4877
4878 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4879
4880         PR debug/51762
4881         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4882         note when !ACCUMULATE_OUTGOING_ARGS.
4883
4884 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4885
4886         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4887         condition.
4888         (extract_range_from_unary_expr_1): Avoid useless computations.
4889
4890 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4891
4892         PR rtl-optimization/51767
4893         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4894         of jump_block and add an extra edge for degenerated asm gotos.
4895
4896         PR middle-end/51768
4897         * stmt.c (check_unique_operand_names): Don't ICE during error
4898         reporting if i is from labels chain.
4899
4900         PR middle-end/44777
4901         * profile.c (branch_prob): Split bbs that have exit edge
4902         and need a fake entry edge too.
4903
4904 2012-01-05  Jan Hubicka  <jh@suse.cz>
4905
4906         PR middle-end/49710
4907         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4908         unlooping loops.
4909
4910 2012-01-05  Richard Guenther  <rguenther@suse.de>
4911
4912         PR lto/50490
4913         * tree-streamer-out.c (write_ts_optimization): New function.
4914         (streamer_write_tree_body): Call it.
4915         * tree-streamer-in.c (lto_input_ts_optimization): New function.
4916         (streamer_read_tree_body): Call it.
4917         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4918
4919 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4920
4921         PR middle-end/51761
4922         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4923         * gimplify.c (gimplify_cleanup_point_expr): Save and set
4924         in_cleanup_point_expr before gimplify_stmt call and restore it
4925         afterwards.
4926         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4927         in_cleanup_point_expr is false.
4928
4929 2012-01-05  Richard Guenther  <rguenther@suse.de>
4930
4931         PR middle-end/51764
4932         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4933         to c.opt.
4934         * toplev.c (process_options): Reject combining mudflap and LTO.
4935         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4936
4937 2012-01-05  Richard Guenther  <rguenther@suse.de>
4938
4939         PR tree-optimization/51760
4940         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4941         not VARYING.
4942         (bit_value_unop): Handle UNDEFINED operands.
4943         (bit_value_binop): Likewise.
4944
4945 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
4946
4947         * config/avr/avr.c (avr_replace_prefix): Remove.
4948         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4949         (avr_asm_function_rodata_section): Ditto.
4950         (avr_asm_select_section): Ditto.
4951
4952 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
4953
4954         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4955         insertion.
4956
4957 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4958
4959         PR bootstrap/51648
4960         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4961         calls that have any non-fake successor edges.
4962
4963         PR debug/51746
4964         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4965
4966 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4967
4968         PR tree-optimization/51624
4969         * tree-sra.c (build_ref_for_model): When replicating a chain of
4970         COMPONENT_REFs, stop as soon as the offset would become negative.
4971
4972 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
4973
4974         PR debug/51695
4975         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4976         in .debug_loc on the floor.
4977
4978 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4979
4980         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4981
4982 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4983             Adam Nemet  <anemet@caviumnetworks.com>
4984
4985         * config/mips/mips.md (size): Add SI and DI.
4986         (SIZE): New mode attribute.
4987         (U): New code attribute.
4988         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4989         (mips_lbux_<mode>): Delete.
4990         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4991         (mips_lhx): Use gen_mips_lhx_extsi.
4992         (mips_lhx_<mode>): Delete.
4993         (mips_lwx): Delete.
4994         (mips_l<size>x): New expand.
4995         (mips_lwx_<mode>): Delete.
4996         (mips_l<GPR:size>x_<P:mode>): New pattern.
4997         (*mips_lw<u>x_<P:mode>_ext): Likewise.
4998         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4999         * config/mips/mips.c (mips_lx_address_p): New function.
5000         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5001         (dsp64): New availability predicate.
5002         (mips_builtins): Add an entry for __builtin_mips_ldx.
5003         * config/mips/mips.h (ISA_HAS_LBX): New define.
5004         (ISA_HAS_LBUX): Likewise.
5005         (ISA_HAS_LHX): Likewise.
5006         (ISA_HAS_LHUX): Likewise.
5007         (ISA_HAS_LWX): Likewise.
5008         (ISA_HAS_LWUX): Likewise.
5009         (ISA_HAS_LDX): Likewise.
5010         * doc/extend.texi (__builtin_mips_ldx): Document.
5011
5012 2012-01-04  Tristan Gingold  <gingold@adacore.com>
5013
5014         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5015         when long pointers are used.
5016         * config.build (*-*-*vms*): Handle all OpenVMS targets.
5017         (alpha64-dec-*vms*, alpha*-dec-*vms*)
5018         (ia64-hp-*vms*): Remove.
5019         * config/vms/xm-vms64.h: Delete.
5020
5021 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5022
5023         PR middle-end/51472
5024         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5025
5026 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5027
5028         * opts.c (finish_options): Remove duplicate sorry.
5029
5030 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5031
5032         PR middle-end/51696
5033         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5034         correctly.
5035
5036 2012-01-04  Richard Guenther  <rguenther@suse.de>
5037
5038         PR middle-end/51750
5039         * tree.c (size_low_cst): New function.
5040         * tree.h (size_low_cst): Declare.
5041         * fold-const.c (fold_comparison): Use it to extract the low
5042         part of the POINTER_PLUS_EXPR offset.
5043
5044 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
5045
5046         Fix clearing ZERO_REG
5047         * config/avr/avr.md (cc): Add alternative "ldi".
5048         (movqi_insn): Use it in cc attribute.
5049         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5050         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5051         (output_reload_insisf): Use ZERO_REG to pre-clear register.
5052
5053 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5054
5055         * configure: Regenerate.
5056
5057 2012-01-04  Richard Guenther  <rguenther@suse.de>
5058
5059         PR tree-optimization/49651
5060         * tree-ssa-structalias.c (type_can_have_subvars): New function.
5061         (var_can_have_subvars): Use it.
5062         (get_constraint_for_1): Only consider subfields if there can be any.
5063
5064 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5065
5066         PR bootstrap/51725
5067         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5068         to its new canonical_cselib_val and the cselib_val was in
5069         first_containing_mem chain, but the canonical_cselib_val was not,
5070         add the latter into the chain.
5071         (cselib_invalidate_mem): Compare canonical_cselib_val of
5072         addr_list chain elt with v.
5073
5074         PR pch/51722
5075         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5076         dwarf2out_undef): Allocate e.info using ggc_strdup instead
5077         of xstrdup.
5078         (output_macinfo_op): Don't ggc_strdup fd->filename.
5079         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5080         then ggc_strdup it.  Don't free inc->info or cur->info.
5081         (output_macinfo): Don't free ref->info or file->info.
5082
5083 2012-01-03  Ira Rosen  <irar@il.ibm.com>
5084
5085         PR tree-optimization/51269
5086         * tree-vect-loop-manip.c (set_prologue_iterations): Make
5087         first_niters a pointer.
5088         (slpeel_tree_peel_loop_to_edge): Likewise.
5089         (vect_do_peeling_for_loop_bound): Update call to
5090         slpeel_tree_peel_loop_to_edge.
5091         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5092         here.  Remove it from the parameters list.
5093         (vect_do_peeling_for_alignment): Update calls and compute
5094         wide_prolog_niters.
5095
5096 2012-01-03  Richard Guenther  <rguenther@suse.de>
5097
5098         PR tree-optimization/51070
5099         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5100         Properly handle calls.
5101
5102 2012-01-03  Richard Guenther  <rguenther@suse.de>
5103
5104         PR tree-optimization/51692
5105         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5106         the LHS of allocation stmts.
5107
5108 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5109
5110         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5111
5112 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5113
5114         * collect2.c (main): In AIX specific computations for vector
5115         insertions, use CONST_CAST2 to cast from char ** to const char **.
5116
5117 2012-01-03  Richard Guenther  <rguenther@suse.de>
5118
5119         PR debug/51650
5120         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5121         the context of a limbo DIE when it does not already exist.
5122
5123 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5124
5125         PR tree-optimization/51719
5126         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5127         but direct call is, clear direct call's lhs and don't add fallthrough
5128         edge from dcall_bb to join_bb and PHIs.
5129
5130 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5131
5132         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5133         the instructions emitted by the pattern.
5134         ("*TDC_insn_<mode>"): Add comment.
5135
5136 2012-01-03  Richard Guenther  <rguenther@suse.de>
5137
5138         PR middle-end/51730
5139         * fold-const.c (fold_comparison): Properly canonicalize
5140         tree offset and HOST_WIDE_INT bit position.
5141
5142 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
5143
5144         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5145         operands for extzv pattern.
5146
5147 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5148
5149         PR bootstrap/51725
5150         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5151         on mem_elt first.
5152
5153 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
5154
5155         * doc/invoke.texi (-flto and related options): Copy-edit.
5156
5157 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5158
5159         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5160
5161 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5162
5163         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5164         New patterns.
5165
5166 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5167
5168         * expr.h (move_by_pieces_ninsns): Declare.
5169         * expr.c (move_by_pieces_ninsns): Make external.
5170         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5171         (mips_store_by_pieces_p): Likewise.
5172         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5173         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5174         * config/mips/mips.c (mips_move_by_pieces_p): New function.
5175         (mips_store_by_pieces_p): Likewise.
5176
5177 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5178
5179         * passes.c (register_one_dump_file): Free full_name.
5180
5181         * reload1.c (reload): Don't allocate reg_max_ref_width here.
5182         (calculate_elim_costs_all_insns): Free offsets_at and
5183         offsets_known_at at the end and clear the pointers.
5184
5185 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5186
5187         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5188         this option introduced in r180739.
5189
5190 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5191
5192         PR target/51345
5193         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5194         (tmake_file target=avr): Add avr/t-multilib.
5195
5196         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5197         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5198         * config/avr/genmultilib.awk: New file.
5199         * config/avr/t-multilib: New auto-generated file.
5200         * config/avr/multilib.h: New auto-generated file.
5201         * config/avr/t-avr (AVR_MCUS): New variable.
5202         (genopt.sh): Use it.
5203         (s-mlib): Depend on t-multilib.
5204         (t-multilib, multilib.h): New dependencies.
5205         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5206         (MULTILIB_OPTIONS): Remove.
5207         (MULTILIB_MATCHES): Remove.
5208         (MULTILIB_DIRNAMES): Remove.
5209         (MULTILIB_EXCEPTIONS): Remove:
5210         * config/avr/genopt.sh: Don't use hard coded file name;
5211         pass AVR_MCUS from t-avr instead.
5212
5213 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5214
5215         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5216
5217 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5218
5219         Implement light-weight DImode support.
5220         * config/avr/avr-dimode.md: New file.
5221         * config/avr/avr.md: Include it.
5222         (adjust_len): Add plus64, compare64.
5223         (HIDI): Remove code iterator.
5224         (code_stdname): New code attribute.
5225         (rotx, rotsmode): Remove DI.
5226         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5227         as code iterator.
5228         * config/avr/avr-protos.h (avr_have_dimode): New.
5229         (avr_out_plus64, avr_out_compare64): New.
5230         * config/avr/avr.c (avr_out_compare): Handle DImode.
5231         (avr_have_dimode): New variable definition and initialization.
5232         (avr_out_compare64, avr_out_plus64): New functions.
5233         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5234         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5235         (avr_compare_pattern): Skip DImode comparisons.
5236
5237 2012-01-02  Revital Eres  <revital.eres@linaro.org>
5238
5239         * ddg.c (def_has_ccmode_p): New function.
5240         (add_cross_iteration_register_deps,
5241         create_ddg_dep_from_intra_loop_link): Call it.
5242
5243 2012-01-02  Richard Guenther  <rguenther@suse.de>
5244
5245         PR other/51679
5246         * invoke.texi (fassociative-math): Remove spurious paranthesis.
5247
5248 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
5249
5250         * gcc.c (process_command): Update copyright notice dates.
5251         * gcov.c (print_version): Likewise.
5252         * gcov-dump.c (print_version): Likewise.
5253         * mips-tfile.c (main): Likewise.
5254         * mips-tdump.c (main): Likewise.
5255
5256 2012-01-01  Ira Rosen  <irar@il.ibm.com>
5257
5258         PR tree-optimization/51704
5259         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5260         a use is inside the basic block or loop before accessing its vect info.
5261
5262 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
5263
5264         PR rtl-optimization/51069
5265         * cfgloopmanip.c (remove_path): Removing path making irreducible
5266         region unconditional makes BB part of the region.
5267
5268 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
5269
5270         PR tree-optimization/51683
5271         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5272         calls with side-effects.
5273         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5274 \f
5275 Copyright (C) 2012 Free Software Foundation, Inc.
5276
5277 Copying and distribution of this file, with or without modification,
5278 are permitted in any medium without royalty provided the copyright
5279 notice and this notice are preserved.