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* config/i386/i386.md (QImode and HImode cmove splitters): Merge
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
2
3         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
4         QImode and HImode splitters.  Use ix86_comparison_operator.
5         Explicitly match FLAGS_REG.
6         (DFmode cmove splitter): Explicitly match FLAGS_REG.
7
8 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
9             Steven Bosscher  <steven@gcc.gnu.org>
10             Bernd Schmidt  <bernds@codesourcery.com>
11
12         PR rtl-optimization/53908
13         * df-problems.c (can_move_insns_across): When doing
14         memory-reference book-keeping, handle call insns.
15
16 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
17
18         Backport from mainline
19         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
20
21         PR target/53811
22         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
23         sibcall_insn_operand.  Move it to a temporary register if not.
24
25         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
26
27         PR target/53853
28         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
29         emit PIC sequence for fnaddr symbol reference in advance.
30
31 2012-07-09  Jason Merrill  <jason@redhat.com>
32
33         PR c++/53882
34         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
35         (type_hash_eq): Likewise.
36
37         PR c++/53826
38         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
39
40 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
41
42         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
43         due to negative shift amount.
44
45 2012-07-06  Kai Tietz  <ktietz@redhat.com>
46
47         Backport from mainline.
48         PR bootstrap/52947
49         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
50         as "/mingw/include".
51
52 2012-07-06  Nick Clifton  <nickc@redhat.com>
53
54         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
55         default_encode_section_info.
56
57 2012-07-06  Richard Guenther  <rguenther@suse.de>
58
59         Backport from mainline
60         2012-03-30  Richard Guenther  <rguenther@suse.de>
61
62         PR middle-end/52786
63         * double-int.c (rshift_double): Remove not needed cast.
64
65         2012-03-28  Richard Guenther  <rguenther@suse.de>
66
67         PR middle-end/50708
68         * double-int.h (rshift_double): Remove.
69         * double-int.c (lshift_double): Use absu_hwi to make count
70         positive.
71         (rshift_double): Make static, take unsigned count argument,
72         remove handling of negative count argument.
73         (double_int_rshift): Dispatch to lshift_double.
74
75 2012-07-06  Richard Guenther  <rguenther@suse.de>
76
77         Backport from mainline
78         2012-06-18  Richard Guenther  <rguenther@suse.de>
79
80         PR tree-optimization/53693
81         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
82         Reject operands with more than one use.
83
84 2012-07-06  Richard Guenther  <rguenther@suse.de>
85
86         Backport from mainline
87         2012-04-11  Richard Guenther  <rguenther@suse.de>
88
89         PR middle-end/52621
90         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
91         consider loop nesting.
92         (evolution_function_is_univariate_p): Properly check the remainder
93         for chrecs.
94
95 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
96
97         Backport from mainline
98         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
99
100         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
101         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
102         (adjacent_mem_locations): Move some code to and call...
103         (get_memref_parts): ...new function.
104         (mem_locations_overlap): New function.
105         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
106         (is_mem_ref): Rename to...
107         (find_mem_ref): ...this. Return MEM rtx.
108         (get_store_dest): Remove function.
109         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
110         new parameter and adjust calls.
111         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
112         mem refs overlap for true_store_to_load_dep_costly.
113         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
114         passed to adjacent_mem_locations.
115         (is_costly_group): Walk resolved dependency list.
116         (force_new_group): Emit group ending nop for Power6/Power7.
117         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
118         (group_ending_nop): New define_insn.
119
120 2012-07-04  Richard Guenther  <rguenther@suse.de>
121
122         PR middle-end/53433
123         * gimple-fold.c (get_base_constructor): Do not return an
124         error_mark_node DECL_INITIAL.
125
126 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
127
128         Backport from mainline
129         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
130
131         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
132         code model string in the error message.
133
134 2012-07-04  Tristan Gingold  <gingold@adacore.com>
135
136         Backport from mainline.
137         2012-06-25  Tristan Gingold  <gingold@adacore.com>
138
139         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
140         (seh_cfa_adjust_cfa): ... that function.
141         (seh_emit_stackalloc): Do not emit out of range values.
142         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
143         UNSPEC_DEF_CFA constants.
144         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
145         * config/i386/i386.c (ix86_frame_pointer_required): Required
146         for very large frames on SEH target.
147         (ix86_compute_frame_layout): Save area is before frame pointer
148         on SEH target.  Handle very large frames.
149         (ix86_expand_prologue): Likewise.
150
151 2012-07-04  Richard Guenther  <rguenther@suse.de>
152
153         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
154         as in free_lang_data_in_type.
155
156 2012-07-02  Martin Jambor  <mjambor@suse.cz>
157
158         Backport from mainline.
159         2012-07-02  Martin Jambor  <mjambor@suse.cz>
160
161         PR middle-end/38474
162         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
163         dynamic type change check.
164
165 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
166
167         * tree-eh.c (lower_try_finally_switch): Really put the location of the
168         last statement of the finally block onto the switch.
169
170 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
171
172         * configure: Regenerate.
173
174         Backport from mainline.
175         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
176
177         * config.gcc (target_type_format_char): New. Document it. Set it for
178         arm*-*-* .
179         * configure.ac (gnu_unique_option): Use target_type_format_char
180         in test.  Comment rationale.
181
182 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
183
184         Backport from mainline.
185         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
186
187         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
188
189 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
190
191         Backport from 2012-06-28 mainline r189049
192
193         PR 53595
194         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
195         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
196         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
197         avr_hard_regno_call_part_clobbered.
198
199 2012-06-28  Richard Guenther  <rguenther@suse.de>
200
201         PR middle-end/53790
202         * expr.c (expand_expr_real_1): Verify if the type is complete
203         before inspecting its size.
204
205 2012-06-27  Nick Clifton  <nickc@redhat.com>
206
207         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
208         input operand.
209
210 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
211
212         PR debug/53682
213         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
214
215 2012-06-26  Nick Clifton  <nickc@redhat.com>
216
217         * config/rx/rx.md (simple_return): Use the simple_return rtx.
218
219 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
220
221         PR target/53759
222         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
223         of x x x in the vmovlps load alternative.
224
225 2012-06-22  Richard Guenther  <rguenther@suse.de>
226
227         * gcov-iov.c: Include bconfig.h and system.h.
228
229 2012-06-22  Richard Guenther  <rguenther@suse.de>
230
231         PR gcov-profile/53744
232         * gcov-iov.c (main): Treat "" and "prerelease" the same.
233
234 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
235
236         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
237         DECL_IGNORED_P non-reg vars even if they are used.
238
239 2012-06-19  Jason Merrill  <jason@redhat.com>
240
241         PR c++/52637
242         * dwarf2out.c (modified_type_die): Use scope_die_for.
243         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
244         (uses_local_type_r, uses_local_type): New.
245         (scope_die_for): Keep a type that uses a local type in local scope.
246         Use get_context_die for namespace and type scope.
247
248 2012-06-19  Richard Guenther  <rguenther@suse.de>
249
250         PR middle-end/53470
251         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
252         replace it with the first non-BLOCK context.
253
254 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
255
256         PR rtl-optimization/53700
257
258         Backport from mainline
259         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
260
261         * ira-color.c (setup_left_conflict_sizes_p): Process all
262         conflicting objects.
263
264 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
265
266         Backport from mainline
267         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
268
269         PR target/52908
270         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
271         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
272         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
273         instead of xop_mulv2div2di3_low.
274         (xop_p<macs>dql): Fix vec_select selector.
275         (xop_p<macs>dqh): Ditto.
276         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
277         (xop_mulv2div2di3_high): Ditto.
278
279 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
280
281         Backport from mainline:
282         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
283
284         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
285
286 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
287
288         Backport from mainline:
289         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
290
291         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
292         * config/pa/pa.c (pa_attr_length_millicode_call): Use
293         MAX_PCREL17F_OFFSET instead of fixed offset.
294         (pa_attr_length_call): Likewise.
295         (pa_attr_length_indirect_call): Likewise.
296
297 2012-06-15  Walter Lee  <walt@tilera.com>
298
299         Backport from mainline:
300         2012-06-15  Walter Lee  <walt@tilera.com>
301
302         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
303
304         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
305
306         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
307
308 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
309
310         Backport from mainline:
311
312         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
313         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
314         * gimple.h (block_in_transaction): Check for flag_tm.
315
316 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
317
318         PR tree-optimization/52558
319
320         Backport from mainline:
321         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
322         * gimple.h (gimple_set_in_transaction): Remove.
323         (gimple_in_transaction): Look in BB instead.
324         (gimple_statement_base): Remove in_transaction field.
325         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
326         * trans-mem.c (compute_transaction_bits): Place transaction bit
327         information into basic blocks.
328
329         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
330
331         PR tree-optimization/52558
332         * cfg.c (alloc_aux_for_edge): Fix comment.
333         (alloc_aux_for_edge): Remove static.
334         * basic-block.h (alloc_aux_for_edge): Protoize.
335         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
336         (execute_sm_if_changed_flag): New.
337         (execute_sm_if_changed_flag_set): New.
338         (execute_sm): Do not generate data races unless requested.
339         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
340         (tree_ssa_lim_finalize): Call free_aux_for_edges.
341         * gimple.h (block_in_transaction): New.
342         (gimple_in_transaction): Use block_in_transaction.
343
344 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
345
346         Backported from mainline
347         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
348
349         PR rtl-optimization/53589
350         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
351         discovery even when e->dest != target.  If any LABEL_REF points
352         to e->dest label, redirect it to target's label.
353
354         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
355
356         PR middle-end/53580
357         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
358         returns false, replace stmt with GIMPLE_NOP.
359         (check_omp_nesting_restrictions): Instead of issuing warnings,
360         issue errors and return false if any errors were reported.
361
362 2012-06-14  Richard Guenther  <rguenther@suse.de>
363
364         * BASE-VER: Set to 4.7.2.
365         * DEV-PHASE: Set to prerelease.
366
367 2012-06-12  Christian Bruel  <christian.bruel@st.com>
368
369         PR target/53621
370         * config/sh/sh.c (sh_option_override): Don't force
371          flag_omit_frame_pointer and maccumulate_outgoing_args.
372         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
373
374 2012-06-14  Release Manager
375
376         * GCC 4.7.1 released.
377
378 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
379
380         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
381
382 2012-06-13  Richard Henderson  <rth@redhat.com>
383
384         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
385         iterator instead of INT.
386
387 2012-06-08  Richard Henderson  <rth@redhat.com>
388
389         PR c++/53602
390         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
391         note to a clobber insn when no other insn is available.
392
393 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
394
395         PR c++/53524
396         * doc/invoke.texi (Wenum-compare): Update documentation.
397
398 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
399
400         PR target/53559
401         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
402         operands.
403         (altivec_stvlxl): Ditto.
404         (altivec_stvrx): Ditto.
405         (altivec_stvrxl): Ditto.
406
407 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
408
409         PR middle-end/47530
410         * trans-mem.c (expand_block_edges): Do not skip the first
411         statement when resetting the BB.
412
413 2012-06-04  Richard Guenther  <rguenther@suse.de>
414
415         PR middle-end/53471
416         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
417         create new assembler names.
418
419 2012-06-04  Richard Guenther  <rguenther@suse.de>
420
421         Backport from mainline
422         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
423
424         PR middle-end/52979
425         * stor-layout.c (get_best_mode): Don't return mode with bitsize
426         larger than maxbits.  Don't compute maxbits modulo align.
427         Also check that unit bytes long store at bitpos / unit * unit
428         doesn't affect bits beyond bitregion_end.
429         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
430         would not fit into bitregion_start ... bitregion_end + 1 bit
431         region.
432         (store_split_bit_field): Decrease unit close to end of bitregion_end
433         if access is restricted in order to avoid mutual recursion.
434
435 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
436
437         Backport from 2012-06-04 mainline r188172
438
439         PR target/46261
440         * config/avr/avr-stdint.h: New file.
441         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
442         newlib-stdint.h
443
444 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
445
446         PR tree-optimization/53550
447         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
448         is POINTER_TYPE_P, use sizetype as step type instead of type.
449
450 2012-06-04  Richard Guenther  <rguenther@suse.de>
451             Eric Botcazou  <ebotcazou@adacore.com>
452
453         Backport from mainline
454         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
455
456         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
457         Change type of BITOFFSET to signed.  Make sure the lower bound of
458         the computed range is non-negative by adjusting OFFSET and BITPOS.
459         (expand_assignment): Adjust call to get_bit_range.
460
461         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
462
463         * expr.c (get_bit_range): Return the null range if the enclosing record
464         is part of a larger bit field.
465
466         2012-03-20  Richard Guenther  <rguenther@suse.de>
467
468         * stor-layout.c (finish_bitfield_representative): Fallback
469         to conservative maximum size if the padding up to the next
470         field cannot be computed as a constant.
471         (finish_bitfield_layout): If we cannot compute the distance
472         between the start of the bitfield representative and the
473         bitfield member start a new representative.
474         * expr.c (get_bit_range): The distance between the start of
475         the bitfield representative and the bitfield member is zero
476         if the field offsets are not constants.
477
478         2012-03-16  Richard Guenther  <rguenther@suse.de>
479
480         * stor-layout.c (finish_bitfield_representative): Fall back
481         to the conservative maximum size if we cannot compute the
482         size of the tail padding.
483
484         2012-03-14  Richard Guenther  <rguenther@suse.de>
485
486         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
487         * stor-layout.c (start_bitfield_representative): New function.
488         (finish_bitfield_representative): Likewise.
489         (finish_bitfield_layout): Likewise.
490         (finish_record_layout): Call finish_bitfield_layout.
491         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
492         for QUAL_UNION_TYPE fields.
493         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
494         Stream DECL_BIT_FIELD_REPRESENTATIVE.
495         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
496
497         PR middle-end/52080
498         PR middle-end/52097
499         PR middle-end/48124
500         * expr.c (get_bit_range): Unconditionally extract bitrange
501         from DECL_BIT_FIELD_REPRESENTATIVE.
502         (expand_assignment): Adjust call to get_bit_range.
503
504 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
505
506         PR middle-end/53501
507         * fold-const.c (fold_binary_loc): Refine previous change.
508
509 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
510
511         Backport from mainline
512         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
513
514         PR target/52667
515         * config/sh/sh.c (find_barrier): Add equality check of last_got to
516         avoid going above orig insn.  Update comments.
517
518 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
519
520         Backport from mainline
521         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
522
523         PR target/52642
524         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
525         prologue for unwinder and profiler.
526
527 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
528
529         Backport from mainline
530         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
531
532         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
533
534 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
535
536         Backport from mainline
537         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
538
539         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
540         DBX_REGISTER_NUMBER.
541
542 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
543
544         Backport from mainline
545         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
546
547         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
548         operand is CONST_INT.  Take COSTS_N_INSNS into account.
549         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
550         shiftcosts.     
551
552 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
553
554         * config/avr/avr.opt (-msp8): Document it.
555         * doc/invoke.texi (AVR Options): Copy from trunk docu.
556
557 2012-05-31  Richard Guenther  <rguenther@suse.de>
558
559         PR middle-end/48493
560         * expr.c (expand_assignment): Do not use movmisalign on
561         non-memory.
562
563 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
564
565         PR target/52999
566         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
567         (pa_section_type_flags): New.
568         (pa_legitimate_constant_p): Revert previous change.
569
570 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
571
572         Backport from mainline
573         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
574
575         PR middle-end/53008
576         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
577         accessed indirectly.
578         (ipa_tm_create_version): Same.
579
580 2012-05-30  Jason Merrill  <jason@redhat.com>
581
582         PR c++/53220
583         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
584         about array compound literals.
585
586 2012-05-30  Richard Guenther  <rguenther@suse.de>
587
588         PR middle-end/53501
589         * fold-const.c (fold_binary_loc): Make sure to call
590         fold_plusminus_mult_expr with the original sign of operands.
591
592 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
593
594         * explow.c (probe_stack_range): Restore simple control flow and stop
595         again when the probe cannot be generated if HAVE_check_stack.
596
597 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
598
599         PR rtl-optimization/53519
600         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
601         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
602
603 2012-05-29  Richard Guenther  <rguenther@suse.de>
604
605         PR tree-optimization/53516
606         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
607         bitfield accesses.
608         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
609
610 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
611
612         Backport from mainline
613         2012-05-28  Richard Guenther  <rguenther@suse.de>
614
615         PR tree-optimization/53438
616         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
617
618 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
619
620         Backport from mainline
621         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
622
623         PR rtl-optimization/52528
624         * combine.c (can_combine_p): Add setting of subst_low_luid
625         before call to expand_field_assignment().
626
627 2012-05-26  Martin Jambor  <mjambor@suse.cz>
628
629         Backport from mainline
630         2012-05-23  Martin Jambor  <mjambor@suse.cz>
631
632         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
633
634 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
635
636         PR lto/52178
637         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
638         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
639
640 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
641
642         PR target/53435
643         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
644         (ix86_expand_vec_perm): Use int mode instead of float.
645
646 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
647
648         PR ada/52362
649         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
650         gnu_ld variables to yes.
651         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
652         (HAVE_GNU_AS): Likewise.
653         * config.in: Regenerate.
654         * configure: Likewise.
655
656 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
657
658         Backport from mainline
659         2012-03-12  Richard Guenther  <rguenther@suse.de>
660         * config/arm/arm.c (neon_dereference_pointer): Do not call
661         covert during RTL expansion.
662
663 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
664
665         Backport from mainline
666         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
667
668         PR target/53385
669         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
670         relied on signed overflow behavior.
671
672 2012-05-24  Richard Guenther  <rguenther@suse.de>
673
674         PR middle-end/53460
675         * tree-profile.c (tree_profiling): Cleanup the CFG if
676         execute_fixup_cfg requests it.
677
678 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
679
680         PR tree-optimization/53465
681         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
682         vr0 into *vr, then vrp_meet that.
683         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
684         have any equivalences.
685         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
686         first time.
687
688 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
689
690         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
691         size handling.
692         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
693         (iterative_hash_gimple_type): Adjust comment.
694         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
695         domain for an array type instead of the domain type itself.
696
697 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
698
699         Backport from 2012-05-23 mainline r187803
700
701         PR target/53448
702         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
703         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
704         ASM_OUTPUT_ALIGN.
705
706 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
707
708         Backport from 2012-05-03 mainline r187075
709
710         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
711         has_fma4 for AMD processors with both fma3 and fma4 support.
712
713 2012-05-22  Richard Guenther  <rguenther@suse.de>
714
715         PR tree-optimization/53408
716         * tree-vect-loop.c (vectorizable_induction): Properly check
717         the restriction that we cannot handle induction results from
718         the inner loop outside of the outer loop.
719
720 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
721
722         PR tree-optimization/53436
723         * omp-low.c (omp_build_component_ref): New function.
724         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
725
726         PR tree-optimization/53366
727         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
728         tests if complex_numbers == 2, but there are non-complex number loads
729         too.
730
731         PR tree-optimization/53409
732         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
733         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
734
735         PR tree-optimization/53410
736         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
737         instead of build_int_cst (type, 0) where vector types might be
738         involved.
739
740 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
741
742         PR c/53418
743         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
744         from folded operands before wrapping another around the
745         conditional expression.
746
747 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
748             Patrick Marlier  <patrick.marlier@gmail.com>
749
750         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
751         indirect calls.
752
753 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
754
755         Backport from mainline
756         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
757
758         PR target/53416
759         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
760         (UNSPECV_RDRAND): This.
761         (rdrand<mode>_1): Updated.
762
763 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
764
765         Backport from mainline
766         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
767
768         * config/i386/driver-i386.c (host_detect_local_cpu): Support
769         RDRND, F16C and FSGSBASE.
770
771 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
772
773         Backport from mainline
774         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
775
776         * tree-ssa-pre.c (can_value_number_call): Delete.
777         (compute_avail): Skip all statements with side effects.
778         <GIMPLE_CALL>: Skip calls to internal functions.
779
780 2012-05-18  David S. Miller  <davem@davemloft.net>
781
782         Backport r185385 from mainline
783         2012-03-14  Richard Guenther  <rguenther@suse.de>
784
785         PR middle-end/52584
786         * tree-vect-generic.c (type_for_widest_vector_mode): Take
787         element type instead of mode, use build_vector_type_for_mode
788         instead of the langhook, build a vector of proper signedness.
789         (expand_vector_operations_1): Adjust.
790
791 2012-05-18  Olivier Hainque  <hainque@adacore.com>
792
793         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
794         $(libsubdir) as libexecsubdir.
795
796 2012-05-16  Andrew Pinski  <apinski@cavium.com>
797
798         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
799         GIMPLE_ASSIGN.
800
801 2012-05-16  David S. Miller  <davem@davemloft.net>
802
803         * jump.c (delete_related_insns): If we remove a CALL, make sure
804         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
805
806 2012-05-16  Richard Henderson  <rth@redhat.com>
807
808         PR debug/52727
809         * combine-stack-adj.c (prev_active_insn_bb): New.
810         (next_active_insn_bb): New.
811         (force_move_args_size_note): New.
812         (combine_stack_adjustments_for_block): Use it.
813
814 2012-05-16  Olivier Hainque  <hainque@adacore.com>
815
816         * Makefile.in (install-no-fixedincludes): New target, former toplevel
817         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
818         Add comments and improve stamp preservation across the whole sequence.
819         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
820
821 2012-05-16  Richard Guenther  <rguenther@suse.de>
822
823         PR tree-optimization/53364
824         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
825         detect a view-conversion of the decl.
826
827 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
828
829         PR target/53358
830         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
831         that operands[2] is either immediate, or q_regs_operand.
832
833 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
834
835         Backport r187139 from mainline.
836         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
837
838         PR rtl-optimization/52804
839         * reload1.c (reload_reg_reaches_end_p): Check whether successor
840         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
841         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
842         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
843         RELOAD_FOR_OUTADDR_ADDRESS.
844
845 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
846
847         PR target/46098
848         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
849         generate target register for "load" class builtins.
850
851         Revert:
852         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
853
854         PR target/46098
855         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
856         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
857         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
858         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
859         (<sse>_movu<ssemodesuffix>): New expander.
860         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
861         (avx_movdqu<avxmodesuffix>): New expander.
862         (*sse2_movdqu): Rename from sse2_movdqu.
863         (sse2_movdqu): New expander.
864
865 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
866
867         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
868         lineno 1 the same as lineno 0 before first start file directive.
869         (optimize_macinfo_range): Likewise.
870
871         * dwarf2out.c (have_macinfo): Define.
872         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
873         attribute, don't force empty compilation unit and don't emit any
874         .debug_macinfo/.debug_macro section if macinfo_table is empty.
875
876 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
877
878         Backport from mainline
879         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
880
881         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
882         ORDERED and UNORDERED conditions.
883
884 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
885
886         * function.c (requires_stack_frame_p): If the function can throw
887         non-call exceptions, return true if the insn can throw internally.
888
889 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
890
891         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
892         DECL_ORIGINAL_TYPE if it is present.
893
894 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
895
896         Backport from 2012-05-12 mainline r187342.
897
898         PR target/53256
899         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
900         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
901         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
902         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
903         (expand_prologue): Move initialization of cfun->machine->is_naked,
904         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
905         (avr_set_current_function): ...this new static function.
906         (TARGET_SET_CURRENT_FUNCTION): New define.
907         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
908         checking attributes of current_function_decl.
909         (avr_regs_to_save): Ditto.
910         (signal_function_p): Rename to avr_signal_function_p.
911         (interrupt_function_p): Rename to avr_interrupt_function_p.
912
913         * doc/extend.texi (Function Attributes): Better explanation of
914         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
915         alphabetical order.
916
917 2012-05-09  Matthias Klose  <doko@ubuntu.com>
918
919         * gcc-ar.c (main): Don't check for execute bits for the plugin.
920
921 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
922
923         PR target/53272
924         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
925         when a constant source operand matches an "I" constraint, the "no
926         CC0 change" applies to a register-destination only, not a
927         strict_low_part-destination.
928
929 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
930
931         Backport from mainline:
932         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
933
934         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
935
936 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
937
938         PR tree-optimization/53239
939         * tree-vrp.c (get_value_range): Set VR of
940         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
941         to nonnull.
942
943 2012-05-07  Richard Guenther  <rguenther@suse.de>
944
945         PR tree-optimization/53195
946         * tree-inline.c (setup_one_parameter): Properly add referenced
947         vars from the parameters new known value.
948
949 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
950
951         Backport from mainline:
952         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
953
954         PR target/52999
955         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
956         in constant pool.
957
958 2012-05-04  Ian Lance Taylor  <iant@google.com>
959
960         * tree-vect-patterns.c (vect_single_imm_use): Correct return
961         values from false to NULL.
962
963 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
964
965         Backport from mainline
966         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
967
968         PR target/53228
969         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
970         (TARGET_CMOV): Rename from TARGET_CMOVE.
971         (TARGET_CMOVE): New define.
972         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
973         Do not set TARGET_CMOVE here.
974
975 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
976
977         Backport from mainline:
978
979         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
980
981         PR tree-optimization/52633
982         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
983         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
984         (vect_recog_over_widening_pattern): Remove handling of code that was
985         already detected as over-widening pattern.  Remove special handling
986         of "unsigned" cases.  Instead, support general case of conversion
987         of the shift result to another type.
988
989         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
990
991         * tree-vect-patterns.c (vect_single_imm_use): New function.
992         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
993         (vect_recog_over_widening_pattern): Likewise.
994         (vect_recog_widen_shift_pattern): Likewise.
995
996         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
997
998         PR tree-optimization/52870
999         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1000         presumed pattern statement is within the same loop or basic block.
1001
1002 2012-05-04  Richard Guenther  <rguenther@suse.de>
1003
1004         * common.opt (flto-report): Do not mark as Optimization.
1005
1006 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1007
1008         PR target/48496
1009         * recog.c (constrain_operands): If extra constraints are present, also
1010         accept pseudo-registers with equivalent memory locations during reload.
1011
1012 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1013
1014         Backport from the mainline
1015         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1016
1017         PR target/53199
1018         * config/rs6000/rs6000.md (bswapdi splitters): If
1019         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1020         default) is used, generate an alternate sequence that does not
1021         depend on using indexed addressing.
1022
1023 2012-05-03  David S. Miller  <davem@davemloft.net>
1024
1025         PR target/52684
1026         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1027         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1028         (sparc_emit_float_lib_cmp): Likewise.
1029
1030 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1031
1032         Backport from mainline
1033         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1034
1035         PR lto/52605
1036         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1037         of a variable when the contect is a function.
1038
1039 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1040
1041         PR plugins/53126
1042         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1043         append program name to it and pass that as first argument
1044         to make_relative_prefix.  Always pass standard_libexec_prefix
1045         as last argument to make_relative_prefix.  If
1046         make_relative_prefix returns NULL, fall back to
1047         standard_libexec_prefix.
1048
1049         PR debug/53174
1050         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1051         removed.
1052
1053         PR target/53187
1054         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1055         mode, return that mode.
1056
1057 2012-05-03  Richard Guenther  <rguenther@suse.de>
1058
1059         PR tree-optimization/53144
1060         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1061         Rename to ...
1062         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1063         with SSA name values.
1064         (vn_reference_lookup_3): Adjust callers.
1065
1066 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1067
1068         PR tree-optimization/53163
1069         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1070         return value from compute_all_dependences.
1071
1072         PR rtl-optimization/53160
1073         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1074         has been modified by ree pass already.
1075
1076 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1077
1078         Backport from mainline
1079         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1080
1081         PR middle-end/53136
1082         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1083         calls to cgraph_node_name in xstrdup.
1084         (ipa_make_edge_direct_to_target): Ditto.
1085         * tree-sra.c (convert_callers_for_node): Ditto.
1086         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1087         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1088         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1089         (cgraph_materialize_all_clones): Ditto.
1090         * ipa-inline.c (report_inline_failed_reason): Ditto.
1091         (want_early_inline_function_p): Ditto.
1092         (edge_badness): Ditto.
1093         (update_edge_key): Ditto.
1094         (flatten_function): Ditto.
1095         (ipa_inline): Ditto.
1096         (inline_always_inline_functions): Ditto.
1097         (early_inline_small_functions): Ditto.
1098
1099 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1100
1101         Backport from mainline
1102         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1103
1104         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1105         Introduce emul_name to select the right linker emulation for
1106         powerpc64-*-freebsd*.
1107         * configure: Regenerate.
1108         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1109         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1110         * config/rs6000/freebsd64.h: New file.
1111         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1112         POWERPC_FREEBSD.
1113         (rs6000_savres_strategy): Likewise.
1114         (rs6000_savres_routine_name): Likewise.
1115         (rs6000_elf_file_end): Likewise.
1116         * config/rs6000/t-freebsd64: New file.
1117         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1118         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1119
1120 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1121
1122         Backport from mainline
1123         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1124
1125         PR target/53138
1126         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1127
1128 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1129
1130         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1131         predicate to discriminate types.
1132
1133 2012-04-27  Richard Guenther  <rguenther@suse.de>
1134
1135         PR c/51527
1136         * convert.c (convert_to_integer): Avoid infinite recursion for
1137         target-defined built-in types.
1138
1139 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1140
1141         PR target/53120
1142         * config/cris/cris.md ("*andhi_lowpart_v32")
1143         ("*andqi_lowpart_v32"): Change first input-only operand from
1144         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1145         const_int-matching constraints for redundancy.
1146         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1147         three-operand alternative.
1148
1149 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1150
1151         Backport from mainline
1152         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1153
1154         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1155         (*addsi_2_zext): Ditto.
1156         (*add<mode>_3): Ditto.
1157         (*addsi_3_zext): Ditto.
1158         (*add<mode>_5): Ditto.
1159
1160 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1161
1162         PR c/52880
1163         * c-typeck.c (set_nonincremental_init,
1164         set_nonincremental_init_from_string): Pass true instead of false
1165         as IMPLICIT to add_pending_init.
1166
1167 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1168
1169         Backport from 2012-04-24 mainline r186768.
1170
1171         PR target/53065
1172         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1173
1174 2012-04-24  Richard Guenther  <rguenther@suse.de>
1175
1176         PR tree-optimization/53085
1177         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1178         stores.
1179
1180 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1181
1182         PR middle-end/53084
1183         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1184         of MEM_REF.
1185         (output_addressed_constants): Likewise.
1186
1187         PR middle-end/52999
1188         * varasm.c (get_section): Don't ICE for section conflicts with
1189         built-in section kinds.
1190
1191 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1192
1193         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1194
1195 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1196
1197         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1198
1199 2012-04-23  Richard Guenther  <rguenther@suse.de>
1200
1201         PR c/53060
1202         * c-typeck.c (build_binary_op): Fix typo.
1203
1204 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1205
1206         PR tree-optimizations/52891
1207         * tree-vect-patterns.c (adjust_bool_pattern): Use
1208         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1209         but with non-standard precision.
1210
1211 2012-04-22  Ian Lance Taylor  <iant@google.com>
1212
1213         * godump.c (go_output_typedef): Dump size of structs.
1214
1215 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1216
1217         Backport from mainline:
1218
1219         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1220         hints for 'A' operand types.
1221
1222 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1223
1224         Backport from 2012-04-19 mainline r186588.
1225
1226         PR target/53033
1227         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1228         the case *(X+const).
1229
1230 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1231
1232         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1233
1234 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1235
1236         PR target/53020
1237         * config/i386/sync.md (atomic_<code><mode>): Rename to
1238         atomic_<logic><mode>.
1239
1240 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1241
1242         Backport from mainline
1243         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1244
1245         PR target/52932
1246         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1247         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1248         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1249         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1250         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1251         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1252         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1253         gen_avx2_permvarv8sf.
1254
1255 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1256
1257         Backported from mainline
1258
1259         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1260         PR middle-end/52939
1261
1262         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1263         fold_ctor_reference returns a zero constant.
1264
1265 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1266
1267         Backported from mainline
1268         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1269
1270         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1271         and __ILP32__ for x32.
1272
1273 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1274
1275         Backport from mainline r186418.
1276
1277         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1278
1279         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1280         parameters vuse and vuse_escaped.
1281         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1282         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1283         vuse1 != vuse2.
1284
1285 2012-04-13  Richard Guenther  <rguenther@suse.de>
1286
1287         PR tree-optimization/52969
1288         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1289         the condition for the COND_EXPR and handle predicate negation
1290         by swapping the COND_EXPR arms.
1291
1292 2012-04-13  Richard Guenther  <rguenther@suse.de>
1293
1294         PR c/52862
1295         * convert.c (convert_to_pointer): Remove special-casing of
1296         zero.
1297
1298 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1299
1300         Backport from mainline
1301         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1302
1303         PR target/52775
1304         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1305         the list of options to enable the FCFID instruction.
1306         (TARGET_EXTRA_BUILTINS): Adjust comment.
1307
1308 2012-04-12  Richard Guenther  <rguenther@suse.de>
1309
1310         PR tree-optimization/52943
1311         * tree-chrec.h (chrec_is_positive): Remove.
1312         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1313         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1314         Return false for a constant zero instead of negative.
1315         (analyze_siv_subscript_cst_affine): Handle zero difference
1316         in the initial condition explicitely.
1317
1318 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1319
1320         PR middle-end/52894
1321         * varasm.c (process_pending_assemble_externals): Set
1322         pending_assemble_externals_processed true.
1323         (assemble_external): Call assemble_external_real if the pending
1324         assemble externals have been processed.
1325
1326 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1327
1328         PR target/52717
1329         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1330         the DECL generated for the special GOT helper.
1331
1332 2012-04-06  Walter Lee  <walt@tilera.com>
1333
1334         Backport from mainline
1335         2012-03-07  Walter Lee  <walt@tilera.com>
1336
1337         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1338         REG_CFA_* notes for the stack pointer.
1339         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1340         EH_RETURN_STACKADJ_RTX.
1341         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1342         generate REG_CFA_* notes for the stack pointer.
1343         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1344         by EH_RETURN_STACKADJ_RTX.
1345
1346 2012-04-06  Matt Turner  <mattst88@gmail.com>
1347
1348         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1349
1350 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1351
1352         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1353         of the destination isn't also a FP_REGS register.
1354
1355 2012-04-03  Richard Guenther  <rguenther@suse.de>
1356
1357         Backport from mainline
1358         2012-03-02  Richard Guenther  <rguenther@suse.de>
1359
1360         PR tree-optimization/52406
1361         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1362         (struct indices): Add unconstrained_base member.
1363         (struct dr_alias): Remove unused vops member.
1364         (DR_UNCONSTRAINED_BASE): New define.
1365         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1366         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1367         be an artificial access that covers the whole indexed object,
1368         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1369         plain decl base-objects to their MEM_REF variant.
1370         (dr_may_alias_p): When the base-object of either data reference
1371         has unknown size use only points-to information.
1372         (compute_affine_dependence): Make dumps easier to read and
1373         more verbose.
1374         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1375         DR_REF when looking for packed references.
1376         (vect_supportable_dr_alignment): Likewise.
1377
1378 2012-04-03  Richard Guenther  <rguenther@suse.de>
1379
1380         Backport from mainline
1381         2012-03-15  Richard Guenther  <rguenther@suse.de>
1382
1383         PR middle-end/52580
1384         * tree-data-ref.c (subscript_dependence_tester_1): Check
1385         all dimensions for non-conflicting access functions.
1386
1387 2012-04-03  Richard Guenther  <rguenther@suse.de>
1388
1389         Backport from mainline
1390         2012-03-06  Richard Guenther  <rguenther@suse.de>
1391
1392         PR middle-end/52493
1393         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1394
1395         2012-03-23  Richard Guenther  <rguenther@suse.de>
1396
1397         PR tree-optimization/52678
1398         * tree-vectorizer.h (struct _stmt_vec_info): Add
1399         loop_phi_evolution_part member.
1400         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1401         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1402         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1403         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1404         Use the cached evolution part and the PHI nodes value from
1405         the loop preheader edge instead of re-analyzing the evolution.
1406
1407         2012-03-26  Richard Guenther  <rguenther@suse.de>
1408
1409         PR tree-optimization/52701
1410         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1411         compute and set the evolution part of PHI nodes.
1412
1413         2012-03-30  Richard Guenther  <rguenther@suse.de>
1414
1415         PR tree-optimization/52754
1416         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1417         propagate arbitrary addresses into really plain dereferences.
1418
1419 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1420
1421         PR tree-optimization/52835
1422         * tree-data-ref.c (build_rdg): Return NULL if
1423         compute_data_dependences_for_loop failed.
1424
1425 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1426
1427         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1428         (stmt_can_make_abnormal_goto): Use it.
1429         (is_ctrl_altering_stmt): Likewise.
1430
1431 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1432
1433         Backported from mainline
1434         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1435
1436         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1437         is a builtin_stack_save in a dominating BB.
1438
1439 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1440
1441         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1442         crossing 128bit lane boundary.
1443
1444 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1445
1446         Backported from mainline
1447         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1448
1449         PR target/52698
1450         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1451         New prototype.
1452         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1453         * config/i386/i386.c: Include reload.h.
1454         (ix86_legitimize_reload_address): New function.
1455
1456 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1457
1458         Backported from mainline
1459         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1460
1461         PR middle-end/52693
1462         * tree-sra.c (sra_modify_assign): Do not call
1463         load_assign_lhs_subreplacements when working with an unscalarizable
1464         region.
1465
1466 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1467
1468         PR middle-end/52691
1469         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1470         __builtin_va_start to __builtin_next_arg if the latter is
1471         builtin_decl_explicit_p rather than when it is not.
1472
1473         PR middle-end/52750
1474         * tree-vect-generic.c (vector_element): Perform multiplication
1475         for pos in bitsizetype type instead of idx type.
1476
1477 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1478
1479         Backport from 2012-03-28 mainline r185910.
1480
1481         PR target/52692
1482         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1483         (avr_builtin_decl): New static function.
1484         (struct avr_builtin_description, avr_bdesc): Move up.
1485         Add GTY marker. Add field fndecl. Remove redundant field id.
1486         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1487         (avr_expand_builtin): Code cleanup because .id is removed.
1488
1489 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1490
1491         PR middle-end/51893
1492         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1493         targets.
1494
1495 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1496
1497         Backport from 2012-03-28 mainline r185907.
1498
1499         PR target/52737
1500         * config.gcc (tm_file): Remove avr/multilib.h.
1501
1502         * doc/invoke.texi (AVR Options): Adjust
1503         documentation of -mtiny-stack.
1504
1505         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1506         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1507         * config/avr/t-avr: Remove generation of multilib.h.
1508         * config/avr/t-multilib: Regenerate.
1509         * config/avr/multilib.h: Remove.
1510         * config/avr/avr.opt (-msp8): New option.
1511         (avr_sp8): New variable.
1512         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1513         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1514         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1515         (avr_device_to_sp8): New prototype.
1516         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1517         (DRIVER_SELF_SPECS): New define.
1518         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1519         __AVR_SP8__, __AVR_HAVE_SPH__.
1520         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1521         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1522         (avr_file_start): Ditto.
1523
1524 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1525
1526         PR target/52736
1527         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1528         instead of 8 in adjust_address.
1529
1530 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1531
1532         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1533         of a unit before computing the offset in units.
1534
1535 2012-03-27  Richard Guenther  <rguenther@suse.de>
1536
1537         PR middle-end/52720
1538         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1539         explicitely.
1540
1541 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1542
1543         PR target/52610
1544         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1545
1546 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1547
1548         PR middle-end/52640
1549         * varasm.c: Include pointer-set.h.
1550         (pending_assemble_externals_set): New pointer set.
1551         (process_pending_assemble_externals): Destroy the pointer set.
1552         (assemble_external): See if decl is in pending_assemble_externals_set,
1553         and add it to pending_assemble_externals if necessary.
1554         (init_varasm_once): Allocate pending_assemble_externals_set.
1555
1556 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1557
1558         Backported from mainline
1559         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1560
1561         PR target/50310
1562         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1563         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1564         (vector_ltgt<mode>): Likewise.
1565         (vector_ordered<mode>): Likewise.
1566         (vector_unordered<mode>): Likewise.
1567         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1568
1569 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1570
1571         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1572         Make static.
1573
1574 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1575
1576         Backported from mainline
1577         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1578
1579         PR target/48596
1580         PR target/48806
1581         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1582         GENERAL_REGS and FP_REGS for SImode.
1583
1584 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1585
1586         PR middle-end/52547
1587         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1588         on any new_local_var_chain vars declared during recursing on
1589         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1590
1591 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1592
1593         Backport from 2012-03-22 mainline r185692.
1594
1595         PR target/52496
1596         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1597         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1598         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1599         (delay_cycles_1, delay_cycles_2): Ditto.
1600         (delay_cycles_3, delay_cycles_4): Ditto.
1601         (nopv, *nopv): Ditto.
1602         (sleep, *sleep): Ditto.
1603         (wdr, *wdr): Ditto.
1604
1605         Backport from 2012-03-21 mainline r185605.
1606
1607         PR rtl-optimization/52543
1608         PR target/52461
1609         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1610         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1611         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1612         (avr_load_libgcc_p): Restrict to __flash loads.
1613         (avr_out_lpm): Only handle 1-byte loads from __flash.
1614         (avr_load_lpm): New function.
1615         (avr_find_unused_d_reg): Remove.
1616         (avr_out_lpm_no_lpmx): Remove.
1617         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1618         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1619         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1620         (load_<mode>, load_<mode>_clobber): New insns.
1621         (mov<mode>): For multi-byte move from non-generic
1622         16-bit address spaces: Expand to load_<mode> resp.
1623         load_<mode>_clobber.
1624         (load<mode>_libgcc): Remove expander.
1625         (split-lpmx): Remove split.
1626
1627         Backport from 2012-03-13 mainline r185329.
1628
1629         PR target/52488
1630         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1631         offset (size) to a value the insns can deal with.
1632         (expand_epilogue): Ditto.
1633
1634         Backport from 2012-03-12 mainline r185256.
1635
1636         PR target/52499
1637         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1638         type from reg_class_t to enum reg_class.
1639         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1640
1641         Backport from 2012-03-12 mainline r185253.
1642
1643         PR target/52148
1644         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1645         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1646         r184615 from 2012-02-28.
1647
1648         Backport from 2012-03-08 mainline r185105.
1649
1650         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1651         for constants in [-63,63].
1652
1653         Backport from 2012-03-08 mainline r185100.
1654
1655         PR target/52496
1656         * config/avr/avr.c (avr_mem_clobber): New static function.
1657         (avr_expand_delay_cycles): Add memory clobber operand to
1658         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1659         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1660         (enable_interrupt, disable_interrupt): New expander.
1661         (nopv, sleep, wdr): New expanders.
1662         (delay_cycles_1): Add memory clobber.
1663         (delay_cycles_2): Add memory clobber.
1664         (delay_cycles_3): Add memory clobber.
1665         (delay_cycles_4): Add memory clobber.
1666         (cli_sei): New insn from former "enable_interrupt",
1667         "disable_interrupt" with memory clobber.
1668         (*wdt): New insn from former "wdt" with memory clobber.
1669         (*nopv): Similar, but for "nopv".
1670         (*sleep): Similar, but for "sleep".
1671
1672         Backport from 2012-03-07 mainline r185043.
1673
1674         PR target/52484
1675         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1676
1677         Backport from 2012-03-07 mainline r185032.
1678
1679         PR target/52506
1680         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1681         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1682         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1683
1684         Backport from 2012-03-07 mainline r185031.
1685
1686         PR target/52505
1687         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1688         from RAM.
1689         * config/avr/avr.md (xload_8): Adjust insn length.
1690
1691         Backport from 2012-03-07 mainline r185030.
1692
1693         PR target/52461
1694         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1695         if RAMPZ affects reading from RAM.
1696
1697         Backport from 2012-03-05 mainline r184919.
1698
1699         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1700
1701 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1702
1703         Backport from mainline r185259.
1704
1705         PR other/52545
1706         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1707         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1708
1709 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1710
1711         Backported from mainline
1712         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1713
1714         PR c/52577
1715         * c-parser.c (c_parser_postfix_expression)
1716         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1717
1718         * config/i386/smmintrin.h: Avoid /* within a comment.
1719         * config/i386/nmmintrin.h: Likewise.
1720
1721 2012-03-22  Richard Guenther  <rguenther@suse.de>
1722
1723         * BASE-VER: Set to 4.7.1.
1724         * DEV-PHASE: Set to prerelease.
1725
1726 2012-03-22  Release Manager
1727
1728         * GCC 4.7.0 released.
1729
1730 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1731
1732         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1733
1734 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1735             Andrew Pinski  <apinski@cavium.com>
1736
1737         PR middle-end/52592
1738         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1739         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1740         calls instead of __builtin_ir{int,ound}*.
1741
1742 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1743
1744         PR c++/52582
1745         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1746         if c_node is NULL.
1747
1748 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1749
1750         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1751         Refer to GCC 4.7 version of c99status.html.
1752
1753 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1754
1755         Backport from mainline
1756         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1757
1758         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1759         redefine to be NULL if the current bit-size is different from the
1760         configured bit-size.
1761
1762         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1763         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1764         set the default tuning.  Add asserts to make sure the cpu and tune
1765         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1766         test whether the index is set, instead of > 0.
1767         (rs6000_file_start): Do not reset the default cpu if the current
1768         bit-size is different from the configured bit-size.
1769
1770 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1771
1772         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1773         binutils reference.
1774         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1775         Update binutils references.
1776         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1777         Update binutils reference.
1778         Update Sun as/GNU ld caveat.
1779         Document binutils largefile requirement for LTO plugin.
1780         Remove reference to alternate libpthread.
1781
1782 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1783
1784         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1785         reference.
1786         (Specific, mips-sgi-irix6): Likewise.
1787
1788 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1789
1790         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1791         * configure: Regenerate.
1792
1793 2012-03-07  Richard Henderson  <rth@redhat.com>
1794
1795         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1796         * config/m68k/sync.md (atomic_test_and_set): Use it.
1797         (atomic_test_and_set_1): Likewise.
1798
1799 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1800
1801         PR target/51417
1802         * Makefile.in: Let install-gcc-ar depend on installdirs,
1803         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1804         Don't double canonicalize if cross-compiling.
1805
1806 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1807
1808         * trans-mem.c: New typedef for tm_region_p.
1809         Define vector types for tm_region_p.
1810         (tm_region_init): Replace region_worklist to a vector called
1811         bb_regions.
1812
1813 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1814
1815         PR middle-end/52463
1816         * trans-mem.c (tm_region_init): Use last_basic_block.
1817
1818 2012-03-05  Richard Henderson  <rth@redhat.com>
1819
1820         PR tree-opt/52242
1821         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1822         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1823         BIGGEST_ALIGNMENT is aligned.
1824
1825 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1826
1827         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1828
1829 2012-03-05  Richard Henderson  <rth@redhat.com>
1830
1831         PR target/52481
1832         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1833         instead of calling negqi2 directly.
1834
1835 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1836
1837         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1838         (INTMAX_TYPE): Use it.
1839         (UINTMAX_TYPE): Likewise.
1840         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1841         (irix6_c_common_override_options): Declare.
1842         (C_COMMON_OVERRIDE_OPTIONS): Define.
1843         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1844         * config/mips/irix6-c.c: New file.
1845         * config/mips/t-irix6 (irix6-c.o): New target.
1846         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1847         cxx_target_objs.
1848
1849 2012-03-02  Richard Henderson  <rth@redhat.com>
1850
1851         * optabs.c (expand_atomic_test_and_set): Honor
1852         atomic_test_and_set_trueval even when atomic_test_and_set
1853         optab is not in use.
1854
1855 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1856
1857         Backport from mainline
1858         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1859
1860         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1861
1862 2012-03-02  Richard Guenther  <rguenther@suse.de>
1863
1864         * DEV-PHASE: Set to prerelease.
1865
1866 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1867
1868         * config.gcc (obsolete): Add all ARM targets using the FPA.
1869         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1870         * doc/install.texi: Avoid references to obsolete ARM ports.
1871
1872 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1873
1874         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1875
1876 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1877             Joern Rennecke  <joern.rennecke@embecosm.com>
1878
1879         * doc/extend.texi: Expand and update information on interrupt
1880         attribute for Epiphany.
1881
1882 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1883
1884         * config/sh/sh-protos.h: Update copyright notice dates.
1885         * config/sh/sh.h: Likewise.
1886         * config/sh/sh.md: Likewise.
1887         * config/sh/constraints.md: Likewise.
1888         * config/sh/predicates.md: Likewise.
1889
1890 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1891
1892         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1893         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1894
1895 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1896
1897         * config/sh/constraints.md: Fix comment typo.
1898
1899 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1900
1901         PR target/52408
1902         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1903         unsigned HOST_WIDE_INT.
1904         (zvdep_imm64): Likewise.
1905         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1906         (vdepi_and): Likewise.
1907         Likewise for unamed 64-bit patterns.
1908         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1909
1910 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1911
1912         PR debug/52001
1913         PR rtl-optimization/52417
1914         * cselib.c (cselib_any_perm_equivs): New variable.
1915         (cselib_reset_table): Check that it's not set when not
1916         preserving constants.
1917         (cselib_add_permanent_equiv): Set it.
1918         (cselib_have_permanent_equivalences): New.
1919         (cselib_init, cselib_finish): Reset it.
1920         * cselib.h (cselib_have_permanent_equivalences): Declare.
1921         * alias.c (get_addr): Restore earlier behavior when there
1922         aren't permanent equivalences.
1923
1924 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1925
1926         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1927         * config/v850/v850-modes.def: Fix copyright notice.
1928
1929 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1930
1931         * doc/extend.texi (AVR Built-in Functions): Document
1932         __builtin_avr_flash_segment.
1933
1934         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1935         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1936         (*split.flash_segment): New insn-and-split.
1937         * config/avr/avr.c (avr_init_builtins): Add local variables:
1938         const_memx_void_node, const_memx_ptr_type_node,
1939         char_ftype_const_memx_ptr.
1940
1941 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1942
1943         PR tree-optimization/52445
1944         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1945         add ssa_name_ver, offset and size fields and change store field
1946         to bool.
1947         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1948         (add_or_mark_expr): Likewise.  Only consider previous stores
1949         with the same size and offset.
1950         (nt_init_block): Only look at gimple_assign_single_p stmts,
1951         doesn't look at rhs2.
1952
1953 2012-03-01  Richard Guenther  <rguenther@suse.de>
1954
1955         PR middle-end/52443
1956         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1957         conversions from integral types to pointer types.
1958
1959 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1960
1961         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1962         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1963         unintentionally removed in r184616.
1964
1965 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1966
1967         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1968         3DNow from bdver1.
1969
1970 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1971             Uros Bizjak  <ubizjak@gmail.com>
1972
1973         PR target/52437
1974         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1975         alternatives, add "e" constraint to the new last alternative
1976         and ! to last 3 alternatives.
1977
1978 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1979
1980         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1981         DW_AT_artificial attributes at the end of the processing.
1982         (gen_array_type_die): Likewise.
1983         (gen_enumeration_type_die): Likewise.
1984         (gen_struct_or_union_type_die): Likewise.
1985         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1986         the parent type.
1987
1988 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1989
1990         PR middle-end/52419
1991         * expr.c (expand_assignment): If doing misaligned store that doesn't
1992         cover all mode bits, perform a RMW cycle.
1993
1994         PR tree-optimization/52429
1995         * tree-parloops.c (separate_decls_in_region_debug): Return early
1996         if var is LABEL_DECL.
1997
1998 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1999
2000         PR tree-optimization/52424
2001         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2002         calling dom_thread_across_edge.
2003
2004 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2005
2006         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2007
2008 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2009
2010         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2011         * config/avr/avr.c (avr_output_bld): Remove unused function.
2012         (avr_out_sbxx_branch): Use "%T" to print bit position.
2013
2014 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2015
2016         * config/avr/avr.md: Untabify.
2017
2018 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2019
2020         * config/avr/avr.md (eqne): New code iterator.
2021         (*dec-and-branchsi): Use it in text peephole's condition.
2022         (*dec-and-branchhi): Ditto.
2023         (*dec-and-branchqi): Ditto.
2024
2025 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2026
2027         PR target/49939
2028         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2029         the device does not have the skip-bug.
2030
2031 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2032
2033         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2034         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2035         -mpretend-cmove): New.
2036
2037 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2038
2039         PR bootstrap/52397
2040         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2041         doesn't count DEBUG_INSN refs.
2042         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2043         for DEBUG_INSN refs.
2044
2045 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2046
2047         Partially revert:
2048
2049         2012-02-20  Richard Guenther  <rguenther@suse.de>
2050         PR tree-optimization/52298
2051         * tree-vect-stmts.c (vectorizable_load): Properly use
2052         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2053         outer loops.
2054
2055 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2056
2057         PR middle-end/51752
2058         * gimple.h (gimple_in_transaction): New.
2059         (gimple_set_in_transaction): New.
2060         (struct gimple_statement_base): Add in_transaction field.
2061         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2062         transaction loads.
2063         (tree_ssa_lim_initialize): Compute transaction bits.
2064         * tree.h (compute_transaction_bits): Protoize.
2065         * trans-mem.c (tm_region_init): Use the heap to store BB
2066         auxilliary data.
2067         (compute_transaction_bits): New.
2068
2069 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2070
2071         * gcc.c (display_help): Document --help=common and sort entries
2072         alphabetically.
2073
2074 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2075
2076         * doc/install.texi: Document check-$LANG specific shortcuts
2077
2078 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2079
2080         PR target/51534
2081         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2082         and vcgtu.
2083         * config/arm/arm_neon.h: Regenerate.
2084         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2085         (neon_vcgeu): New insn.
2086         (neon_vcgtu): Likewise.
2087         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2088         (ops): Unsigned comparison intrinsics call a different
2089         builtin.
2090
2091 2012-02-28  Richard Guenther  <rguenther@suse.de>
2092
2093         PR target/52407
2094         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2095         ordering for the VEC_CONCAT for two element vectors for
2096         V2SFmode, V2SImode and V2DImode.
2097
2098 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2099
2100         PR target/49448
2101         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2102         detecting big-endian triplets.
2103
2104 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2105
2106         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2107         mode if there is no type information available.
2108
2109 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2110
2111         PR tree-optimization/53207
2112         * doc/invoke.texi: Document as experimental and relying on graphite.
2113
2114 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2115
2116         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2117         of initializer to changes from r184614.
2118
2119 2012-02-28  Richard Guenther  <rguenther@suse.de>
2120
2121         PR tree-optimization/52395
2122         * tree-sra.c (build_ref_for_offset): Also look at the base
2123         TYPE_ALIGN when figuring out the alignment of the replacement.
2124
2125 2012-02-28  Richard Guenther  <rguenther@suse.de>
2126
2127         PR tree-optimization/52402
2128         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2129         mis-aligned types when creating the accesses at the call site.
2130
2131 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2132
2133         * config/avr/builtins.def: New file.
2134         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2135         * config/avr/avr.c (enum avr_builtin_id): Use it.
2136         (avr_init_builtins): Use it. And use avr_bdesc.
2137         (bdesc_1arg): Remove.
2138         (bdesc_2arg): Remove.
2139         (bdesc_3arg): Remove.
2140         (struct avr_builtin_description): Add field n_args.
2141         (avr_bdesc): New static variable using builtins.def.
2142         (avr_expand_builtin): Use it.
2143         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2144         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2145         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2146
2147 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2148
2149         PR target/52148
2150         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2151         match only one single hard register with respective hard reg rtx.
2152         (movmemx_<mode>): Ditto.
2153         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2154         insn anatomy of movmem[x]_<mode>.
2155         (avr_out_movmem): Same for printing assembler and operand usage.
2156
2157 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2158
2159         PR target/49868
2160         PR target/52261
2161         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2162         address spaces located outside of device flash.
2163
2164         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2165         (mcu_type_s): Add field n_flash.
2166         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2167         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2168         (AVR_MCU): Add N_FLASH argument.
2169         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2170         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2171         macro __FLASH<n> if that address space makes sense for the device.
2172         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2173         outside of target flash.
2174         (avr_asm_named_section): Ditto.
2175         (avr_asm_select_section): Ditto.
2176         (avr_addr_space_convert): Ditto.
2177         (avr_emit_movmemhi): Ditto.
2178         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2179         address space is outside of device flash.
2180         (avr_insert_attributes): Ditto.
2181         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2182         avr_current_arch->n_segments.
2183
2184 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2185
2186         PR target/52352
2187         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2188         TARGET_LP64.
2189         (*movabs<mode>_2): Likewise.
2190
2191 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2192
2193         PR target/52375
2194         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2195         s_register_operand in the test instead of REG_P.  Don't call
2196         gen_reg_rtx if it won't be used.
2197
2198         PR tree-optimization/52376
2199         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2200
2201 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2202
2203         * ifcvt.c (noce_get_condition): Check condition variable is not
2204         small_register_classes_for_mode_p before accepting.
2205
2206 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2207
2208         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2209
2210 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2211
2212         Revert:
2213         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2214         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2215         tuning parameters.
2216         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2217
2218 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2219
2220         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2221
2222 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2223
2224         * config/sh/predicates.md: Remove blank lines.
2225         * config/sh/sh.c: Fix typos in comments.
2226         * config/sh/constraints.md: Likewise.
2227         * config/sh/sh.md: Remove blank lines.
2228         Fix typos in comments.  Use ;; as comment characters.
2229
2230 2012-02-26  Walter Lee  <walt@tilera.com>
2231
2232         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2233         (replace_mov_pcrel_step2): Ditto.
2234
2235 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2236
2237         PR debug/52001
2238         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2239         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2240         and locs that reference values newer than the non-canonical value
2241         at hand.  Return the canonical value as a worst case.
2242         (memrefs_conflict_p): Walk canonical value's locs.
2243
2244         PR debug/52001
2245         * cselib.c (preserve_only_constants): Rename to...
2246         (preserve_constants_and_equivs): ... this.  Split out...
2247         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2248         of other preserved expressions too.
2249         (cselib_reset_table): Adjust.
2250         * var-tracking.c (reverse_op): Use canonical value to build
2251         reverse operation.
2252
2253 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2254
2255         * config/i386/i386.c (ix86_delegitimize_address): Handle
2256         UNSPEC_PCREL plus displacement.
2257
2258 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2259
2260         PR target/52261
2261         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2262         to test for unusedness in st X addressing.
2263
2264 2012-02-24  Richard Guenther  <rguenther@suse.de>
2265
2266         PR middle-end/52361
2267         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2268         (is_gimple_reg_type): Move inline ...
2269         * gimple.h (is_gimple_reg_type): ... here.
2270
2271 2012-02-24  Richard Guenther  <rguenther@suse.de>
2272
2273         PR middle-end/52361
2274         * passes.c (execute_function_todo): When verifying SSA form
2275         verify gimple form first.
2276         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2277
2278 2012-02-24  Richard Guenther  <rguenther@suse.de>
2279
2280         PR middle-end/52355
2281         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2282         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2283
2284 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2285
2286         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2287
2288 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2289
2290         * tree-phinodes.c (make_phi_node): Mark static.
2291         * tree-flow.h (make_phi_node): Remove extern decl.
2292         * doc/gimple.texi (make_phi_node): Remove documentation.
2293
2294 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2295
2296         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2297         * tree-ssa-sccvn.c (print_scc): Ditto.
2298
2299 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2300
2301         * doc/passes.texi (Full redundancy elimination): Fix typo.
2302
2303 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2304
2305         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2306
2307 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2308
2309         PR bootstrap/52287
2310         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2311
2312 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2313
2314         PR c/52290
2315         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2316
2317 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2318
2319         * config/avr/avr.md (code_stdname): Add ior, xor.
2320         (xior): New code iterator.
2321         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2322         (*<code_stdname><mode>qi.byte1-3): Ditto.
2323
2324 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2325
2326         PR tree-optimization/52019
2327         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2328         CLOBBER stmts.
2329
2330 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2331
2332         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2333         HAVE_INITFINI_ARRAY to work around namespace pollution in
2334         certain versions of newlib system headers.
2335         * config.in: Regenerate.
2336         * configure: Regenerate.
2337         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2338         instead of HAVE_INITFINI_ARRAY.
2339
2340 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2341
2342         PR target/52330
2343         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2344         is not offsettable memory reference.
2345
2346 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2347
2348         PR target/18145
2349         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2350         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2351
2352 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2353
2354         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2355         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2356
2357 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2358
2359         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2360         library on Solaris 8 even without TLS support.
2361         * configure: Regenerate.
2362
2363 2012-02-22  Richard Guenther  <rguenther@suse.de>
2364
2365         PR middle-end/52329
2366         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2367         for GIMPLE_DEBUG stmts.
2368
2369 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2370
2371         PR middle-end/51782
2372         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2373         according to the base object.
2374
2375 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2376
2377         PR rtl-optimization/50063
2378         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2379         and 2 (8-bit SP) in operand 2.
2380         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2381         setup to use movhi_sp_r instead of vanilla move to write SP.
2382         Adjust REG_CFA notes to superseed unspec.
2383         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2384         of vanilla move.
2385         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2386         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2387         irq_state 1 (IRQ known to be on) here.
2388
2389 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2390
2391         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2392         WORDS_BIG_ENDIAN.
2393         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2394         assign_hard_reg): Likewise.
2395
2396 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2397
2398         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2399
2400 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2401
2402         * config/avr/avr.md
2403         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2404         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2405
2406 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2407
2408         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2409         prototype from here to...
2410         * config/avr/avr.h: ...here.
2411
2412 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2413
2414         PR target/52294
2415         * thumb2.md (thumb2_shiftsi3_short): Split register and
2416         immediate shifts.  For register shifts tie operands 0 and 1.
2417         (peephole2 for above): Check that register-controlled shifts
2418         have suitably tied operands.
2419
2420 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2421
2422         PR target/52137
2423         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2424         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2425         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2426         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2427         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2428         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2429         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2430         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2431         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2432         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2433         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2434         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2435         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2436         bdver1_ssevector_avx256_unaligned_load,
2437         bdver1_ssevector_sse128_unaligned_load,
2438         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2439         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2440         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2441         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2442         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2443         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2444         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2445         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2446         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2447         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2448         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2449         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2450         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2451         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2452         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2453         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2454         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2455         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2456         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2457         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2458         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2459         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2460         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2461         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2462         bdver1_ssediv_double_load, bdver1_ssediv_double,
2463         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2464         Add "bdver2" attribute.
2465
2466 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2467
2468         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2469         default if possible and not specified otherwise.
2470
2471 2012-02-21  Richard Guenther  <rguenther@suse.de>
2472
2473         PR middle-end/52314
2474         * gimplify.c (create_tmp_from_val): Use the main variant type
2475         for the type of the temporary we create.
2476
2477 2012-02-21  Richard Guenther  <rguenther@suse.de>
2478
2479         PR tree-optimization/52324
2480         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2481         do not gimplify a MEM_REF address operand if it is already
2482         in suitable form.
2483
2484 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2485
2486         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2487         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2488
2489 2012-02-21  Richard Guenther  <rguenther@suse.de>
2490
2491         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2492         nested_in_vect_loop.
2493
2494 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2495
2496         PR tree-optimization/52318
2497         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2498         vdef also to non-pure/const call stmts in the sequence.
2499
2500 2012-02-20  David S. Miller  <davem@davemloft.net>
2501
2502         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2503         don't use the "rd %pc" instruction on v9 for PIC register loads.
2504
2505 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2506
2507         PR middle-end/52141
2508         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2509         in a transaction safe function.
2510
2511 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2512
2513         PR target/52238
2514         * stor-layout.c (place_field): Handle desired_align for
2515         ms-bitfields, too.
2516
2517 2012-02-20  Richard Guenther  <rguenther@suse.de>
2518
2519         PR tree-optimization/52298
2520         * tree-vect-stmts.c (vectorizable_store): Properly use
2521         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2522         outer loops.
2523         (vectorizable_load): Likewise.
2524         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2525         Access DR_STEP after ensuring it is not NULL.
2526
2527 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2528
2529         PR tree-optimization/52286
2530         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2531         optimization use double_int_to_tree instead of build_int_cst_wide,
2532         rewrite to use double_int vars.
2533
2534 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2535
2536         PR target/50166
2537         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2538         Define _start.
2539         Remove -e 0 from $gcc_cv_ld invocation.
2540         Only use __GLIBC_PREREQ if defined.
2541         Enable on Solaris since Solaris 8 patch.
2542         (gcc_SUN_LD_VERSION): New macro.
2543         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2544         gcc_SUN_LD_VERSION for version number format.
2545         * configure: Regenerate.
2546         * varasm.c (get_elf_initfini_array_priority_section): Set
2547         SECTION_NOTYPE for non-default priority.
2548         Use get_section instead of get_unnamed_section to emit
2549         .init_array/.fini_array with default priority.
2550
2551 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2552
2553         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2554         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2555         (mips_start_unique_function, mips_output_mips16_rdhwr)
2556         (mips_code_end): New functions.
2557         (TARGET_ASM_CODE_END): Define.
2558
2559 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2560
2561         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2562         to stubs with non-sibling calls.
2563
2564 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2565
2566         * doc/invoke.texi (-fira-* options): Copy-edit.
2567         (ira-* parameters): Copy-edit.
2568
2569 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2570
2571         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2572         GCC coding conventions.
2573
2574 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2575
2576         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2577         when used as adjectives.
2578
2579 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2580
2581         * doc/invoke.texi: Clean up "that"/"which" confusion.
2582
2583 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2584
2585         * system.h: Poison SMALL_REGISTER_CLASSES
2586         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2587         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2588
2589 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2590
2591         PR tree-optimization/52285
2592         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2593         when deciding if a call is a tail call or tail recursion.
2594
2595 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2596
2597         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2598         interger-constant displacement for UNSPEC_PCREL.
2599
2600 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2601
2602         PR rtl-optimization/52208
2603         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2604         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2605
2606         PR tree-optimization/52255
2607         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2608         loop->header has virtual PHI, but exit_e->dest doesn't, add
2609         virtual PHI to exit_e->dest and adjust all uses after the loop.
2610
2611         PR debug/52260
2612         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2613         children with clone_tree_hash, not after it.
2614
2615 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2616
2617         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2618         extended identifiers.
2619
2620 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2621
2622         PR middle-end/51929
2623         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2624         a same_body_alias, also test whether e->callee isn't a former
2625         or current clone of the decl this is a same body alias of.
2626
2627         PR translation/52264
2628         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2629
2630 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2631
2632         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2633
2634 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2635
2636         PR target/52199
2637         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2638         force_reg instead of copy_to_reg for better optimization.  Force
2639         non-register or memory operands into a register.
2640
2641 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2642
2643         * extend.texi: Reserve upper bits of memory model for future use.
2644
2645 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2646             Anatoly Sokolov <aesok@post.ru>
2647             Eric Weddington <eric.weddington@atmel.com>
2648
2649         PR target/52261
2650         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2651         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2652         Rewrite initializers for .macro.
2653         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2654         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2655         atxmega32d4, atxmega32x1.
2656         avrxmega4: atxmega64a3, atxmega64d3.
2657         avrxmega5: atxmega64a1, atxmega64a1u.
2658         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2659         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2660         avrxmega7: atxmega128a1, atxmega128a1u.
2661         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2662         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2663         (struct base_arch_s): Rename reserved to xmega_p.
2664         Rename reserved2 to have_rampd.
2665         (AVR_XMEGA): New define.
2666         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2667         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2668         * config/avr/predicates.md (io_address_operand): Take into
2669         account SFR offset.
2670         (low_io_address_operand): Ditto.
2671         (high_io_address_operand): Ditto.
2672         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2673         (enabled, movhi_sp_r): Use them.
2674         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2675         cpp_define_formatted to built-in define __AVR_ARCH__.
2676         (__AVR_XMEGA__): New built-in define.
2677         (__AVR_HAVE_RAMPD__): New built-in define.
2678         (__AVR_HAVE_RAMPX__): New built-in define.
2679         (__AVR_HAVE_RAMPY__): New built-in define.
2680         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2681
2682         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2683         (avr_option_override): Initialize them.
2684         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2685         (avr_init_expanders): Initialize them. No more block several calls.
2686         (emit_push_sfr): New static function.
2687         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2688         Handle AVR_XMEGA.
2689         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2690         (avr_print_operand): Print addreeses as symbols for
2691         RAMPX, RAMPY, RAMPD, CCP.
2692         (output_movhi): Handle AVR_XMEGA when writing to SP.
2693         (avr_out_movhi_mr_r_xmega): New static function.
2694         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2695         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2696         __RAMPD__,  __CCP__ as needed.
2697
2698         * config/avr/multilib.h: Regenerate.
2699         * config/avr/t-multilib: Regenerate.
2700         * config/avr/avr-tables.opt: Regenerate.
2701
2702 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2703
2704         PR tree-optimization/50561
2705         * graphite-flattening.c (lst_project_loop): Do not
2706         remove old scattering dimensions after flattening.
2707         (lst_do_flatten): Likewise.
2708
2709 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2710
2711         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2712         __builtin_avr_map8, __builtin_avr_map16.
2713         Document __builtin_avr_insert_bits.
2714
2715         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2716         (insert_bits): New insn.
2717         (adjust_len.map_bits): Rename to insert_bits.
2718         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2719         * avr-protos.h (avr_out_map_bits): Remove.
2720         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2721         * config/avr/constraints.md (Cxf,C0f): New.
2722         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2723         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2724         New built-in define __BUILTIN_AVR_INSERT_BITS.
2725         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2726         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2727         (avr_move_bits): Rewrite.
2728         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2729         functions.
2730         (avr_map_op_t): New typedef.
2731         (avr_map_op): New static variable.
2732         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2733         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2734         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2735         (bdesc_3arg, avr_expand_triop_builtin): New.
2736         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2737         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2738         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2739         (avr_map_equal_p, avr_map_sig_p): Remove.
2740         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2741         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2742         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2743         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2744         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2745         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2746
2747 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2748
2749         * config/c6x/c6x.md (reserve_cycles): New attribute.
2750         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2751         don't reserve functional units after the branch occurs.
2752
2753 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2754
2755         PR middle-end/52142
2756         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2757         functions into non-tm_pure functions.
2758
2759 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2760
2761         PR lto/52178
2762         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2763         (iterative_hash_canonical_type): Likewise.
2764         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2765         the dead edges.
2766
2767 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2768
2769         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2770         sched-group insn, it either remains alone or the entire list is pruned.
2771
2772 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2773
2774         * doc/install.texi (Prerequisites): Fix grammar.
2775         (Configuration): Likewise.
2776
2777 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2778
2779         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2780         MPC as part of GCC before describing configuring with --with-gmp etc.
2781         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2782         sources are present.
2783
2784 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2785
2786         PR debug/51950
2787         * dwarf2out.c (clone_tree_hash): New function.
2788         (copy_decls_walk): Use it instead of clone_tree.
2789
2790 2012-02-14  Richard Guenther  <rguenther@suse.de>
2791
2792         PR tree-optimization/52244
2793         PR tree-optimization/51528
2794         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2795         replacements for integral types.
2796
2797 2012-02-14  Walter Lee  <walt@tilera.com>
2798
2799         * config.gcc: Handle tilegx and tilepro.
2800         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2801         tilegx and tilepro.
2802         Add HAVE_AS_TLS check for tilegx and tilepro.
2803         * configure: Regenerate.
2804         * doc/contrib.texi: Add Mat Hostetter and self.
2805         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2806         Document instruction intrinsics and network accessing intrinsics.
2807         (TILEPro Built-in Functions): New node.  Document instruction
2808         intrinsics and network accessing intrinsics.
2809         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2810         (Specific, tilepro-*-linux*): Likewise.
2811         * doc/invoke.texi (TILE-Gx Options): New section.
2812         (TILEPro Options): New section.
2813         * doc/md.texi (TILE-Gx): New section.
2814         (TILEPro): New section.
2815         * common/config/tilegx/tilegx-common.c: New file.
2816         * common/config/tilepro/tilepro-common.c: New file.
2817         * config/tilegx/constraints.md: New file.
2818         * config/tilegx/linux.h: New file.
2819         * config/tilegx/mul-tables.c: New file.
2820         * config/tilegx/predicates.md: New file.
2821         * config/tilegx/sync.md: New file.
2822         * config/tilegx/t-tilegx: New file.
2823         * config/tilegx/tilegx-builtins.h: New file.
2824         * config/tilegx/tilegx-c.c: New file.
2825         * config/tilegx/tilegx-generic.md: New file.
2826         * config/tilegx/tilegx-modes.def: New file.
2827         * config/tilegx/tilegx-multiply.h: New file.
2828         * config/tilegx/tilegx-protos.h: New file.
2829         * config/tilegx/tilegx.c: New file.
2830         * config/tilegx/tilegx.h: New file.
2831         * config/tilegx/tilegx.md: New file.
2832         * config/tilegx/tilegx.opt: New file.
2833         * config/tilepro/constraints.md: New file.
2834         * config/tilepro/gen-mul-tables.cc: New file.
2835         * config/tilepro/linux.h: New file.
2836         * config/tilepro/mul-tables.c: New file.
2837         * config/tilepro/predicates.md: New file.
2838         * config/tilepro/t-tilepro: New file.
2839         * config/tilepro/tilepro-builtins.h: New file.
2840         * config/tilepro/tilepro-c.c: New file.
2841         * config/tilepro/tilepro-generic.md: New file.
2842         * config/tilepro/tilepro-modes.def: New file.
2843         * config/tilepro/tilepro-multiply.h: New file.
2844         * config/tilepro/tilepro-protos.h: New file.
2845         * config/tilepro/tilepro.c: New file.
2846         * config/tilepro/tilepro.h: New file.
2847         * config/tilepro/tilepro.md: New file.
2848         * config/tilepro/tilepro.opt: New file.
2849
2850 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2851
2852         PR tree-optimization/52210
2853         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2854         vect_model_simple_cost with two entry vect_def_type array instead
2855         of an address of dt.
2856
2857 2012-02-14  Richard Guenther  <rguenther@suse.de>
2858
2859         PR lto/52178
2860         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2861         Do not stream DECL_QUALIFIER.
2862         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2863         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2864         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2865
2866 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2867
2868         PR c/52181
2869         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2870         newdecl.
2871
2872 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2873
2874         PR bootstrap/52172
2875         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2876         * cselib.c (cselib_subst_to_values_from_insn): New function.
2877         * sched-deps.c (add_insn_mem_dependence,
2878         sched_analyze_1, sched_analyze_2): Use it.
2879
2880 2012-02-13  Jan Hubicka  <jh@suse.cz>
2881
2882         PR middle-end/52214
2883         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2884
2885 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2886
2887         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2888         (GTM_SELF_SPECS): Define if not already defined.
2889         (driver_self_specs): Add GTM_SELF_SPECS.
2890         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2891         (GTM_SELF_SPECS): Define.
2892         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2893         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2894
2895 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2896
2897         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2898         away if seen.
2899
2900         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2901
2902         PR middle-end/52230
2903         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2904         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2905
2906 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2907
2908         PR c/52190
2909         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2910
2911 2012-02-13  Richard Guenther  <rguenther@suse.de>
2912
2913         PR translation/52211
2914         * passes.c (enable_disable_pass): Fix typo.
2915
2916 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2917
2918         PR middle-end/52209
2919         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2920         XOR for reduce_bit_field if type is unsigned.
2921
2922 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2923
2924         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2925         disallow changes from SFmode to mode with different size in FP regs.
2926
2927 2012-02-12  Robert Millan  <rmh@gnu.org>
2928             Gerald Pfeifer <gerald@pfeifer.com>
2929
2930         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2931         Tweak comment.
2932
2933 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2934
2935         PR rtl-optimization/52175
2936         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2937         to frame-related instructions.
2938
2939 2012-02-10  Jason Merrill  <jason@redhat.com>
2940
2941         PR c++/51910
2942         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2943         (demangle_new_symbols): Fill it.
2944         (scan_linker_output): Walk it.
2945         (start_tweaking): Split out from scan_linker_output.
2946         (maybe_tweak): Update sym->chosen.
2947         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2948
2949 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2950
2951         PR debug/52132
2952         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2953
2954 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2955
2956         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2957         having the same mode as previous compare.
2958
2959 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2960
2961         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2962         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2963         (nonlocal_goto_internal): Likewise.
2964         (nonlocal_goto): Emit a use and an indirect jump directly.
2965
2966 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2967
2968         PR c/52190
2969         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2970         __atomic_{is,always}_lock_free.
2971
2972 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2973
2974         PR target/52146
2975         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2976         negative constant address for x32.
2977
2978 2012-02-10  Richard Henderson  <rth@redhat.com>
2979
2980         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2981         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2982         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2983
2984 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2985             Ira Rosen  <irar@il.ibm.com>
2986
2987         PR tree-optimization/50031
2988         * targhooks.c (default_builtin_vectorization_cost): Handle
2989         vec_promote_demote.
2990         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2991         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2992         all types of reduction and pattern statements.
2993         (vect_estimate_min_profitable_iters): Likewise.
2994         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2995         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2996         for explicit realigns.
2997         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2998         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2999         vec_promote_demote.
3000         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3001         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3002         vec_perm for VSX and handle vec_promote_demote.
3003
3004 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3005
3006         PR middle-end/52177
3007         * builtins.c (fold_builtin_atomic_always_lock_free,
3008         expand_builtin_atomic_always_lock_free,
3009         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3010         Return and/or test boolean_true_node/boolean_false_node instead of
3011         integer_one_node/integer_zero_node.
3012
3013 2012-02-10  Jan Hubicka  <jh@suse.cz>
3014
3015         PR middle-end/48600
3016         * predict.c (predict_paths_for_bb): Prevent looping.
3017         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3018
3019 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3020
3021         * config/arm/arm.c (output_move_double): In one case properly
3022         count number of instructions that will be emitted.
3023
3024 2012-02-10  Richard Guenther  <rguenther@suse.de>
3025
3026         PR translation/52193
3027         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3028
3029 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3030
3031         PR middle-end/52140
3032         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3033
3034 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3035
3036         PR debug/52165
3037         * var-tracking.c (emit_note_insn_var_location): If
3038         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3039         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3040         non-NOTE_DURING_CALL_P insn.
3041
3042 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3043
3044         PR middle-end/51867
3045         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3046
3047 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3048
3049         PR driver/48524
3050         * gcc.c (switch_matches) Support switches with separated form,
3051         -D and -U.
3052
3053 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3054
3055         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3056         (SP_ADDR): Ditto.
3057         (RAMPZ_ADDR): Ditto.
3058         * config/avr/avr.c (avr_addr_t): New typedef.
3059         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3060         (avr_init_expanders): Initialize it.
3061         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3062         SREG_ADDR.
3063         (expand_epilogue): Ditto.
3064         (avr_print_operand): Ditto.
3065         (avr_file_start): Ditto.
3066         (avr_emit_movmemhi): Ditto.
3067
3068 2012-02-08  Richard Guenther  <rguenther@suse.de>
3069
3070         PR tree-optimization/46886
3071         * tree-flow.h (do_while_loop_p): Declare.
3072         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3073         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3074
3075 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3076
3077         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3078         always succeed for integers larger than a native word.
3079
3080 2012-02-08  Richard Guenther  <rguenther@suse.de>
3081
3082         PR rtl-optimization/52170
3083         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3084         properly handle integer vector modes.
3085
3086 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3087
3088         PR gcov-profile/52150
3089         * coverage.c: Include target.h.
3090         (build_var): Call targetm.strip_name_encoding on the assembler name.
3091         Change one _ into . or $ if the target allows it.
3092         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3093
3094         PR rtl-optimization/52139
3095         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3096         is a BARRIER after emit_insn_after_noloc, move BB_END
3097         to the last non-BARRIER insn before it.
3098
3099 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3100
3101         PR middle-end/24306
3102         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3103         (mips_gimplify_va_arg_expr): Call it instead of
3104         std_gimplify_va_arg_expr.
3105
3106 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3107
3108         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3109         message for -mno-pointers-to-nested-function.
3110
3111 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3112
3113         PR middle-end/51994
3114         * expr.c (get_inner_reference): If there is an offset, add a negative
3115         bit position to it (if any).
3116
3117 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3118
3119         PR rtl-optimization/52060
3120         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3121         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3122         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3123         and/or i0src_copy2 when needed.
3124
3125 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3126
3127         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3128         or LTOPLUGINSONAME if have_c.
3129
3130         * config/freebsd-spec.h: Add comment about what macros can be defined
3131         in this header.
3132         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3133         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3134         here instead.
3135
3136 2012-02-07  Richard Guenther  <rguenther@suse.de>
3137
3138         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3139         newline in -alias dumps.
3140
3141 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3142             Dave Korn  <dave.korn.cygwin@gmail.com>
3143
3144         PR target/40068
3145         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3146         Take care that typinfo gets dllexport-attribute.
3147
3148 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3149
3150         PR middle-end/52074
3151         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3152         if modifier < EXPAND_SUM call force_operand on the result.
3153
3154 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3155
3156         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3157         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3158         present.
3159         (epiphany_function_type): Replace types for specific interrupts with
3160         EPIPHANY_FUNCTION_INTERRUPT.
3161         (EPIPHANY_INTERRUPT_P): Update.
3162         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3163         New static function.
3164         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3165         <disinterrupt>: Affects type identity.
3166         (epiphany_handle_interrupt_attribute): Handle variable number of
3167         arguments.
3168         (epiphany_compute_function_type): Update for new
3169         epiphany_function_type definition.
3170         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3171         handlers with a longcall forwarder.
3172         (epiphany_start_function): Handle multiple interrupt arguments and/or
3173         forwarder_section attribute.
3174
3175         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3176         libgloss.
3177
3178 2012-02-07  Alan Modra  <amodra@gmail.com>
3179
3180         PR target/52107
3181         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3182         subregs of TFmode.
3183
3184 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3185
3186         PR tree-optimization/50969
3187         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3188         use vec_perm rather than vector_stmt.
3189         (vect_model_load_cost): Likewise.
3190         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3191         vec_perm to be the same as other vector statements.
3192         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3193         cost of vec_perm for TARGET_VSX.
3194
3195 2012-02-06  Richard Guenther  <rguenther@suse.de>
3196
3197         PR tree-optimization/52115
3198         * tree-sra.c (access_has_replacements_p): New function.
3199         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3200
3201 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3202
3203         PR middle-end/52047
3204         * trans-mem.c (expand_call_tm): Add an assertion.
3205         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3206         functions.
3207
3208 2012-02-06  Richard Guenther  <rguenther@suse.de>
3209
3210         PR tree-optimization/50955
3211         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3212         raise cost of expressions that replace an address with an
3213         expression based on a different pointer.
3214
3215 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3216
3217         PR target/52129
3218         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3219         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3220
3221 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3222
3223         PR c++/48680
3224         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3225         -Weffc++ and specify guidelines come from second edition.
3226
3227 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3228
3229         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3230         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3231         (call_direct_split, call_value_split, call_value_internal_direct)
3232         (call_value_direct_split, call_value_multiple_split): Use jal and
3233         jal_macro attributes.
3234
3235 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3236
3237         * reload1.c (reload_regs_reach_end_p): Replace with...
3238         (reload_reg_rtx_reaches_end_p): ...this function.
3239         (new_spill_reg_store): Update commentary.
3240         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3241         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3242         before setting new_spill_reg_store.
3243         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3244         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3245         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3246         for non-spill reload registers.
3247
3248 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3249
3250         PR tree-optimization/52091
3251         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3252         (vect_is_simple_use_1): Likewise.
3253         * tree-vect-loop.c (vectorizable_reduction): Update calls
3254         to vect_is_simple_use_1 and vect_is_simple_use.
3255         (vectorizable_live_operation): Likewise.
3256         * tree-vect-patterns.c (widened_name_p,
3257         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3258         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3259         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3260         vectorizable_shift,vectorizable_operation, vectorizable_store,
3261         vectorizable_load): Likewise.
3262         (vect_is_simple_cond): Add an argument, pass it to
3263         vect_is_simple_use_1.
3264         (vectorizable_condition): Update calls to vect_is_simple_cond,
3265         vect_is_simple_use.
3266         (vect_is_simple_use): Add an argument, the statement in which
3267         OPERAND is used.  Check that if OPERAND's def stmt is a double
3268         reduction phi node, the use is a phi node too.
3269         (vect_is_simple_use_1): Add an argument, pass it to
3270         vect_is_simple_use.
3271         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3272         to vect_is_simple_use.
3273
3274 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3275
3276         PR rtl-optimization/52095
3277         * modulo-sched.c (dump_insn_locator): New function.
3278         (loop_canon_p, sms_schedule): Use it.
3279
3280         PR rtl-optimization/52113
3281         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3282         even for decomposable shift/zext insns.
3283
3284 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3285             Zdenek Dvorak  <ook@ucw.cz>
3286
3287         PR rtl-optimization/52092
3288         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3289         on get_iv_value result.
3290
3291 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3292
3293         PR middle-end/47982
3294         PR middle-end/43967
3295         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3296
3297 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3298
3299         PR middle-end/48071
3300         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3301
3302 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3303
3304         PR rtl-optimization/49800
3305         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3306         (sched_finish): Call regstat_free_n_sets_and_refs.
3307
3308 2012-02-02  Jia Liu  <proljc@gmail.com>
3309
3310         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3311         than operand 2.
3312
3313 2012-02-02  Jan Hubicka  <jh@suse.cz>
3314             Tom de Vries  <tom@codesourcery.com>
3315
3316         PR middle-end/51998
3317         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3318         * varpool.c (varpool_analyze_pending_decls): Likewise.
3319
3320 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3321             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3322
3323         * config.gcc: Add cr16-* support.
3324
3325         * doc/extend.texi: Document cr16 extensions.
3326         * doc/install.texi: Document cr16 install.
3327         * doc/invoke.texi: Document cr16 options.
3328         * doc/md.texi: Document cr16 constraints.
3329
3330         * common/config/cr16/cr16-common.c: New file.
3331         * config/cr16/cr16.c: New file.
3332         * config/cr16/cr16.h: New file.
3333         * config/cr16/cr16.md: New file.
3334         * config/cr16/cr16.opt: New file.
3335         * config/cr16/cr16-protos.h: New file.
3336         * config/cr16/predicates.md: New file.
3337         * config/cr16/constraints.md: New file.
3338         * config/cr16/t-cr16: New file.
3339
3340 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3341
3342         PR target/52086
3343         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3344         that operands[2] is either immediate, or q_regs_operand.
3345
3346         PR tree-optimization/52073
3347         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3348         a pattern stmt for pattern uses, ignore uses outside of the loop.
3349
3350 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3351
3352         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3353         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3354         (OUT_AS1, OUT_AS2): Remove.
3355
3356 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3357
3358         PR rtl-optimization/51374
3359         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3360         to cross other volatile_refs_p insns.
3361
3362 2012-02-01  Richard Guenther  <rguenther@suse.de>
3363
3364         * doc/invoke.texi (fno-inline): Clarify documentation.
3365         (finline-small-functions): Likewise.
3366         (finline-functions): Likewise.
3367         * common.opt (finline): Adjust comment and documentation.
3368         (finline-small-functions): Clarify documentation.
3369         (finline-functions): Likewise.
3370         (finline-functions-called-once): Likewise.
3371
3372 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3373
3374         * c-typeck.c (composite_type): Keep mode for pointers.
3375
3376 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3377
3378         * function.h (regno_reg_rtx): Adjust comment.
3379         * reginfo.c (init_reg_modes_target): Only use the previous mode
3380         if it fits within one register.  Remove MIPS comment.
3381
3382 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3383
3384         PR bootstrap/52058
3385         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3386
3387 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3388
3389         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3390         to srak instruction.
3391
3392 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3393
3394         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3395
3396 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3397
3398         PR bootstrap/52041
3399         PR bootstrap/52039
3400         PR target/51974
3401         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3402
3403 2012-01-31  Richard Guenther  <rguenther@suse.de>
3404
3405         PR tree-optimization/51528
3406         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3407         assigns.
3408
3409 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3410
3411         PR bootstrap/52041
3412         PR bootstrap/52039
3413         PR target/51974
3414         * ree.c (add_removable_extension): Change def_map argument
3415         to unsigned *, store in def_map 1 + offset into *insn_list vector
3416         instead of pointers into the vector.
3417         (find_removable_extensions): Adjust caller.
3418
3419 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3420
3421         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3422         Transform all "* quoted-c-code" to { c-code }.
3423         Remove redundant test for "optimize" in combine patterns.
3424         Move (include "avr-dimode.md") to end of file.
3425
3426 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3427
3428         PR target/51835
3429         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3430         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3431
3432 2012-01-30  Richard Guenther  <rguenther@suse.de>
3433
3434         PR tree-optimization/52028
3435         * tree-loop-distribution.c (ldist_gen): Properly update
3436         virtual SSA form.
3437
3438 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3439
3440         PR debug/52027
3441         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3442         set_cur_line_info_table if not emitting debug info.
3443
3444         PR tree-optimization/52046
3445         * tree-vect-patterns.c (check_bool_pattern): Give up if
3446         a comparison could throw.
3447
3448         PR debug/52048
3449         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3450
3451 2012-01-30  Richard Guenther  <rguenther@suse.de>
3452
3453         PR tree-optimization/52045
3454         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3455         SSA form if cfgcleanup did anything.
3456
3457 2012-01-30  Richard Guenther  <rguenther@suse.de>
3458
3459         PR tree-optimization/52045
3460         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3461         before computing final todo.
3462
3463 2012-01-30  Richard Guenther  <rguenther@suse.de>
3464
3465         PR tree-optimization/51528
3466         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3467         for PR51528 fix.
3468
3469 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3470
3471         * df-problems.c (df_kill_notes): Check that the use refers
3472         to the note under examination.
3473
3474 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3475
3476         PR target/51920
3477         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3478         parameter and use short-lived pseudos.
3479         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3480         (sparc_expand_vector_init): Const-ify local variables and adjust
3481         calls to above functions.
3482
3483 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3484
3485         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3486
3487 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3488
3489         * doc/invoke.texi: Make usage of "compile time" and
3490         "run time"/"runtime" consistent throughout the file.
3491
3492 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3493
3494         * config/alpha/alpha.c (alpha_option_override): Default to
3495         full IEEE compliance mode for Go language.
3496
3497 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3498
3499         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3500         (LINK_SSP_SPEC): Define.
3501
3502 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3503
3504         PR target/51871
3505         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3506         stubs.
3507
3508 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3509
3510         * doc/invoke.texi: Correct hyphenation of "floating point",
3511         "double precision", and related terminology throughout the file.
3512
3513 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3514
3515         PR target/52006
3516         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3517         arm_general_register_operand predicate for operand 2 instead of
3518         register_operand.
3519
3520 2012-01-27  Ian Lance Taylor  <iant@google.com>
3521
3522         PR go/47656
3523         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3524         * builtins.c (expand_builtin_init_trampoline): Add onstack
3525         parameter.  Change caller.
3526         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3527         * tree.c (build_common_builtin_nodes): Declare
3528         __builtin_init_heap_trampoline.
3529
3530 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3531
3532         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3533         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3534         * config/avr/avr.c: Ditto.
3535         (avr_regnames): Remove because unused.
3536         * config/avr/avr.md (*cpse.ne): New peephole.
3537         (*cpse.eq): New peephole from former cpse peepholes.
3538