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* config/mn10300/mn10300.c (mn10300_encode_section_info): Call
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-07-06  Nick Clifton  <nickc@redhat.com>
2
3         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
4         default_encode_section_info.
5
6 2012-07-06  Richard Guenther  <rguenther@suse.de>
7
8         Backport from mainline
9         2012-03-30  Richard Guenther  <rguenther@suse.de>
10
11         PR middle-end/52786
12         * double-int.c (rshift_double): Remove not needed
13         cast.
14
15         2012-03-28  Richard Guenther  <rguenther@suse.de>
16
17         PR middle-end/50708
18         * double-int.h (rshift_double): Remove.
19         * double-int.c (lshift_double): Use absu_hwi to make count
20         positive.
21         (rshift_double): Make static, take unsigned count argument,
22         remove handling of negative count argument.
23         (double_int_rshift): Dispatch to lshift_double.
24
25 2012-07-06  Richard Guenther  <rguenther@suse.de>
26
27         Backport from mainline
28         2012-06-18  Richard Guenther  <rguenther@suse.de>
29
30         PR tree-optimization/53693
31         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
32         Reject operands with more than one use.
33
34 2012-07-06  Richard Guenther  <rguenther@suse.de>
35
36         Backport from mainline
37         2012-04-11  Richard Guenther  <rguenther@suse.de>
38
39         PR middle-end/52621
40         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
41         consider loop nesting.
42         (evolution_function_is_univariate_p): Properly check the remainder
43         for chrecs.
44
45 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
46
47         Backport from mainline
48         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
49
50         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
51         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
52         (adjacent_mem_locations): Move some code to and call...
53         (get_memref_parts): ...new function.
54         (mem_locations_overlap): New function.
55         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
56         (is_mem_ref): Rename to...
57         (find_mem_ref): ...this. Return MEM rtx.
58         (get_store_dest): Remove function.
59         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
60         new parameter and adjust calls.
61         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
62         mem refs overlap for true_store_to_load_dep_costly.
63         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
64         passed to adjacent_mem_locations.
65         (is_costly_group): Walk resolved dependency list.
66         (force_new_group): Emit group ending nop for Power6/Power7.
67         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
68         (group_ending_nop): New define_insn.
69
70 2012-07-04  Richard Guenther  <rguenther@suse.de>
71
72         PR middle-end/53433
73         * gimple-fold.c (get_base_constructor): Do not return an
74         error_mark_node DECL_INITIAL.
75
76 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
77
78         Backport from mainline
79         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
80
81         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
82         code model string in the error message.
83
84 2012-07-04  Tristan Gingold  <gingold@adacore.com>
85
86         Backport from mainline.
87         2012-06-25  Tristan Gingold  <gingold@adacore.com>
88
89         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
90         (seh_cfa_adjust_cfa): ... that function.
91         (seh_emit_stackalloc): Do not emit out of range values.
92         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
93         UNSPEC_DEF_CFA constants.
94         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
95         * config/i386/i386.c (ix86_frame_pointer_required): Required
96         for very large frames on SEH target.
97         (ix86_compute_frame_layout): Save area is before frame pointer
98         on SEH target.  Handle very large frames.
99         (ix86_expand_prologue): Likewise.
100
101 2012-07-04  Richard Guenther  <rguenther@suse.de>
102
103         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
104         as in free_lang_data_in_type.
105
106 2012-07-02  Martin Jambor  <mjambor@suse.cz>
107
108         Backport from mainline.
109         2012-07-02  Martin Jambor  <mjambor@suse.cz>
110
111         PR middle-end/38474
112         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
113         dynamic type change check.
114
115 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
116
117         * tree-eh.c (lower_try_finally_switch): Really put the location of the
118         last statement of the finally block onto the switch.
119
120 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
121
122         * configure: Regenerate.
123         Backport from mainline.
124         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
125         * config.gcc (target_type_format_char): New. Document it. Set it for
126         arm*-*-* .
127         * configure.ac (gnu_unique_option): Use target_type_format_char
128         in test.  Comment rationale.
129
130 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
131
132         Backport from mainline.
133         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
134         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
135
136 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
137
138         Backport from 2012-06-28 mainline r189049
139
140         PR 53595
141         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
142         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
143         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
144         avr_hard_regno_call_part_clobbered.
145
146 2012-06-28  Richard Guenther  <rguenther@suse.de>
147
148         PR middle-end/53790
149         * expr.c (expand_expr_real_1): Verify if the type is complete
150         before inspecting its size.
151
152 2012-06-27  Nick Clifton  <nickc@redhat.com>
153
154         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
155         input operand.
156
157 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
158
159         PR debug/53682
160         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
161
162 2012-06-26  Nick Clifton  <nickc@redhat.com>
163
164         * config/rx/rx.md (simple_return): Use the simple_return rtx.
165
166 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
167
168         PR target/53759
169         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
170         of x x x in the vmovlps load alternative.
171
172 2012-06-22  Richard Guenther  <rguenther@suse.de>
173
174         * gcov-iov.c: Include bconfig.h and system.h.
175
176 2012-06-22  Richard Guenther  <rguenther@suse.de>
177
178         PR gcov-profile/53744
179         * gcov-iov.c (main): Treat "" and "prerelease" the same.
180
181 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
182
183         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
184         DECL_IGNORED_P non-reg vars even if they are used.
185
186 2012-06-19  Jason Merrill  <jason@redhat.com>
187
188         PR c++/52637
189         * dwarf2out.c (modified_type_die): Use scope_die_for.
190         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
191         (uses_local_type_r, uses_local_type): New.
192         (scope_die_for): Keep a type that uses a local type in local scope.
193         Use get_context_die for namespace and type scope.
194
195 2012-06-19  Richard Guenther  <rguenther@suse.de>
196
197         PR middle-end/53470
198         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
199         replace it with the first non-BLOCK context.
200
201 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
202
203         PR rtl-optimization/53700
204
205         Backport from mainline
206         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
207
208         * ira-color.c (setup_left_conflict_sizes_p): Process all
209         conflicting objects.
210
211 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
212
213         Backport from mainline
214         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
215
216         PR target/52908
217         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
218         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
219         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
220         instead of xop_mulv2div2di3_low.
221         (xop_p<macs>dql): Fix vec_select selector.
222         (xop_p<macs>dqh): Ditto.
223         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
224         (xop_mulv2div2di3_high): Ditto.
225
226 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
227
228         Backport from mainline:
229         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
230
231         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
232
233 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
234
235         Backport from mainline:
236         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
237
238         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
239         * config/pa/pa.c (pa_attr_length_millicode_call): Use
240         MAX_PCREL17F_OFFSET instead of fixed offset.
241         (pa_attr_length_call): Likewise.
242         (pa_attr_length_indirect_call): Likewise.
243
244 2012-06-15  Walter Lee  <walt@tilera.com>
245
246         Backport from mainline:
247         2012-06-15  Walter Lee  <walt@tilera.com>
248
249         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
250
251         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
252
253         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
254
255 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
256
257         Backport from mainline:
258
259         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
260         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
261         * gimple.h (block_in_transaction): Check for flag_tm.
262
263 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
264
265         PR tree-optimization/52558
266
267         Backport from mainline:
268         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
269         * gimple.h (gimple_set_in_transaction): Remove.
270         (gimple_in_transaction): Look in BB instead.
271         (gimple_statement_base): Remove in_transaction field.
272         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
273         * trans-mem.c (compute_transaction_bits): Place transaction bit
274         information into basic blocks.
275
276         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
277
278         PR tree-optimization/52558
279         * cfg.c (alloc_aux_for_edge): Fix comment.
280         (alloc_aux_for_edge): Remove static.
281         * basic-block.h (alloc_aux_for_edge): Protoize.
282         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
283         (execute_sm_if_changed_flag): New.
284         (execute_sm_if_changed_flag_set): New.
285         (execute_sm): Do not generate data races unless requested.
286         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
287         (tree_ssa_lim_finalize): Call free_aux_for_edges.
288         * gimple.h (block_in_transaction): New.
289         (gimple_in_transaction): Use block_in_transaction.
290
291 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
292
293         Backported from mainline
294         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
295
296         PR rtl-optimization/53589
297         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
298         discovery even when e->dest != target.  If any LABEL_REF points
299         to e->dest label, redirect it to target's label.
300
301         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
302
303         PR middle-end/53580
304         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
305         returns false, replace stmt with GIMPLE_NOP.
306         (check_omp_nesting_restrictions): Instead of issuing warnings,
307         issue errors and return false if any errors were reported.
308
309 2012-06-14  Richard Guenther  <rguenther@suse.de>
310
311         * BASE-VER: Set to 4.7.2.
312         * DEV-PHASE: Set to prerelease.
313
314 2012-06-12  Christian Bruel  <christian.bruel@st.com>
315
316         PR target/53621
317         * config/sh/sh.c (sh_option_override): Don't force
318          flag_omit_frame_pointer and maccumulate_outgoing_args.
319         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
320
321 2012-06-14  Release Manager
322
323         * GCC 4.7.1 released.
324
325 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
326
327         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
328
329 2012-06-13  Richard Henderson  <rth@redhat.com>
330
331         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
332         iterator instead of INT.
333
334 2012-06-08  Richard Henderson  <rth@redhat.com>
335
336         PR c++/53602
337         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
338         note to a clobber insn when no other insn is available.
339
340 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
341
342         PR c++/53524
343         * doc/invoke.texi (Wenum-compare): Update documentation.
344
345 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
346
347         PR target/53559
348         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
349         operands.
350         (altivec_stvlxl): Ditto.
351         (altivec_stvrx): Ditto.
352         (altivec_stvrxl): Ditto.
353
354 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
355
356         PR middle-end/47530
357         * trans-mem.c (expand_block_edges): Do not skip the first
358         statement when resetting the BB.
359
360 2012-06-04  Richard Guenther  <rguenther@suse.de>
361
362         PR middle-end/53471
363         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
364         create new assembler names.
365
366 2012-06-04  Richard Guenther  <rguenther@suse.de>
367
368         Backport from mainline
369         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
370
371         PR middle-end/52979
372         * stor-layout.c (get_best_mode): Don't return mode with bitsize
373         larger than maxbits.  Don't compute maxbits modulo align.
374         Also check that unit bytes long store at bitpos / unit * unit
375         doesn't affect bits beyond bitregion_end.
376         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
377         would not fit into bitregion_start ... bitregion_end + 1 bit
378         region.
379         (store_split_bit_field): Decrease unit close to end of bitregion_end
380         if access is restricted in order to avoid mutual recursion.
381
382 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
383
384         Backport from 2012-06-04 mainline r188172
385
386         PR target/46261
387         * config/avr/avr-stdint.h: New file.
388         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
389         newlib-stdint.h
390
391 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
392
393         PR tree-optimization/53550
394         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
395         is POINTER_TYPE_P, use sizetype as step type instead of type.
396
397 2012-06-04  Richard Guenther  <rguenther@suse.de>
398             Eric Botcazou  <ebotcazou@adacore.com>
399
400         Backport from mainline
401         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
402
403         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
404         Change type of BITOFFSET to signed.  Make sure the lower bound of
405         the computed range is non-negative by adjusting OFFSET and BITPOS.
406         (expand_assignment): Adjust call to get_bit_range.
407
408         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
409
410         * expr.c (get_bit_range): Return the null range if the enclosing record
411         is part of a larger bit field.
412
413         2012-03-20  Richard Guenther  <rguenther@suse.de>
414
415         * stor-layout.c (finish_bitfield_representative): Fallback
416         to conservative maximum size if the padding up to the next
417         field cannot be computed as a constant.
418         (finish_bitfield_layout): If we cannot compute the distance
419         between the start of the bitfield representative and the
420         bitfield member start a new representative.
421         * expr.c (get_bit_range): The distance between the start of
422         the bitfield representative and the bitfield member is zero
423         if the field offsets are not constants.
424
425         2012-03-16  Richard Guenther  <rguenther@suse.de>
426
427         * stor-layout.c (finish_bitfield_representative): Fall back
428         to the conservative maximum size if we cannot compute the
429         size of the tail padding.
430
431         2012-03-14  Richard Guenther  <rguenther@suse.de>
432
433         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
434         * stor-layout.c (start_bitfield_representative): New function.
435         (finish_bitfield_representative): Likewise.
436         (finish_bitfield_layout): Likewise.
437         (finish_record_layout): Call finish_bitfield_layout.
438         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
439         for QUAL_UNION_TYPE fields.
440         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
441         Stream DECL_BIT_FIELD_REPRESENTATIVE.
442         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
443
444         PR middle-end/52080
445         PR middle-end/52097
446         PR middle-end/48124
447         * expr.c (get_bit_range): Unconditionally extract bitrange
448         from DECL_BIT_FIELD_REPRESENTATIVE.
449         (expand_assignment): Adjust call to get_bit_range.
450
451 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
452
453         PR middle-end/53501
454         * fold-const.c (fold_binary_loc): Refine previous change.
455
456 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
457
458         Backport from mainline
459         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
460
461         PR target/52667
462         * config/sh/sh.c (find_barrier): Add equality check of last_got to
463         avoid going above orig insn.  Update comments.
464
465 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
466
467         Backport from mainline
468         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
469
470         PR target/52642
471         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
472         prologue for unwinder and profiler.
473
474 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
475
476         Backport from mainline
477         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
478
479         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
480
481 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
482
483         Backport from mainline
484         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
485
486         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
487         DBX_REGISTER_NUMBER.
488
489 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
490
491         Backport from mainline
492         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
493
494         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
495         operand is CONST_INT.  Take COSTS_N_INSNS into account.
496         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
497         shiftcosts.     
498
499 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
500
501         * config/avr/avr.opt (-msp8): Document it.
502         * doc/invoke.texi (AVR Options): Copy from trunk docu.
503
504 2012-05-31  Richard Guenther  <rguenther@suse.de>
505
506         PR middle-end/48493
507         * expr.c (expand_assignment): Do not use movmisalign on
508         non-memory.
509
510 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
511
512         PR target/52999
513         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
514         (pa_section_type_flags): New.
515         (pa_legitimate_constant_p): Revert previous change.
516
517 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
518
519         Backport from mainline
520         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
521
522         PR middle-end/53008
523         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
524         accessed indirectly.
525         (ipa_tm_create_version): Same.
526
527 2012-05-30  Jason Merrill  <jason@redhat.com>
528
529         PR c++/53220
530         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
531         about array compound literals.
532
533 2012-05-30  Richard Guenther  <rguenther@suse.de>
534
535         PR middle-end/53501
536         * fold-const.c (fold_binary_loc): Make sure to call
537         fold_plusminus_mult_expr with the original sign of operands.
538
539 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
540
541         * explow.c (probe_stack_range): Restore simple control flow and stop
542         again when the probe cannot be generated if HAVE_check_stack.
543
544 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
545
546         PR rtl-optimization/53519
547         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
548         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
549
550 2012-05-29  Richard Guenther  <rguenther@suse.de>
551
552         PR tree-optimization/53516
553         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
554         bitfield accesses.
555         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
556
557 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
558
559         Backport from mainline
560         2012-05-28  Richard Guenther  <rguenther@suse.de>
561
562         PR tree-optimization/53438
563         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
564
565 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
566
567         Backport from mainline
568         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
569
570         PR rtl-optimization/52528
571         * combine.c (can_combine_p): Add setting of subst_low_luid
572         before call to expand_field_assignment().
573
574 2012-05-26  Martin Jambor  <mjambor@suse.cz>
575
576         Backport from mainline
577         2012-05-23  Martin Jambor  <mjambor@suse.cz>
578
579         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
580
581 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
582
583         PR lto/52178
584         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
585         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
586
587 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
588
589         PR target/53435
590         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
591         (ix86_expand_vec_perm): Use int mode instead of float.
592
593 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
594
595         PR ada/52362
596         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
597         gnu_ld variables to yes.
598         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
599         (HAVE_GNU_AS): Likewise.
600         * config.in: Regenerate.
601         * configure: Likewise.
602
603 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
604
605         Backport from mainline
606         2012-03-12  Richard Guenther  <rguenther@suse.de>
607         * config/arm/arm.c (neon_dereference_pointer): Do not call
608         covert during RTL expansion.
609
610 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
611
612         Backport from mainline
613         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
614
615         PR target/53385
616         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
617         relied on signed overflow behavior.
618
619 2012-05-24  Richard Guenther  <rguenther@suse.de>
620
621         PR middle-end/53460
622         * tree-profile.c (tree_profiling): Cleanup the CFG if
623         execute_fixup_cfg requests it.
624
625 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
626
627         PR tree-optimization/53465
628         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
629         vr0 into *vr, then vrp_meet that.
630         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
631         have any equivalences.
632         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
633         first time.
634
635 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
636
637         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
638         size handling.
639         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
640         (iterative_hash_gimple_type): Adjust comment.
641         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
642         domain for an array type instead of the domain type itself.
643
644 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
645
646         Backport from 2012-05-23 mainline r187803
647
648         PR target/53448
649         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
650         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
651         ASM_OUTPUT_ALIGN.
652
653 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
654
655         Backport from 2012-05-03 mainline r187075
656
657         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
658         has_fma4 for AMD processors with both fma3 and fma4 support.
659
660 2012-05-22  Richard Guenther  <rguenther@suse.de>
661
662         PR tree-optimization/53408
663         * tree-vect-loop.c (vectorizable_induction): Properly check
664         the restriction that we cannot handle induction results from
665         the inner loop outside of the outer loop.
666
667 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
668
669         PR tree-optimization/53436
670         * omp-low.c (omp_build_component_ref): New function.
671         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
672
673         PR tree-optimization/53366
674         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
675         tests if complex_numbers == 2, but there are non-complex number loads
676         too.
677
678         PR tree-optimization/53409
679         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
680         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
681
682         PR tree-optimization/53410
683         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
684         instead of build_int_cst (type, 0) where vector types might be
685         involved.
686
687 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
688
689         PR c/53418
690         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
691         from folded operands before wrapping another around the
692         conditional expression.
693
694 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
695             Patrick Marlier  <patrick.marlier@gmail.com>
696
697         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
698         indirect calls.
699
700 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
701
702         Backport from mainline
703         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
704
705         PR target/53416
706         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
707         (UNSPECV_RDRAND): This.
708         (rdrand<mode>_1): Updated.
709
710 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
711
712         Backport from mainline
713         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
714
715         * config/i386/driver-i386.c (host_detect_local_cpu): Support
716         RDRND, F16C and FSGSBASE.
717
718 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
719
720         Backport from mainline
721         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
722
723         * tree-ssa-pre.c (can_value_number_call): Delete.
724         (compute_avail): Skip all statements with side effects.
725         <GIMPLE_CALL>: Skip calls to internal functions.
726
727 2012-05-18  David S. Miller  <davem@davemloft.net>
728
729         Backport r185385 from mainline
730         2012-03-14  Richard Guenther  <rguenther@suse.de>
731
732         PR middle-end/52584
733         * tree-vect-generic.c (type_for_widest_vector_mode): Take
734         element type instead of mode, use build_vector_type_for_mode
735         instead of the langhook, build a vector of proper signedness.
736         (expand_vector_operations_1): Adjust.
737
738 2012-05-18  Olivier Hainque  <hainque@adacore.com>
739
740         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
741         $(libsubdir) as libexecsubdir.
742
743 2012-05-16  Andrew Pinski  <apinski@cavium.com>
744
745         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
746         GIMPLE_ASSIGN.
747
748 2012-05-16  David S. Miller  <davem@davemloft.net>
749
750         * jump.c (delete_related_insns): If we remove a CALL, make sure
751         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
752
753 2012-05-16  Richard Henderson  <rth@redhat.com>
754
755         PR debug/52727
756         * combine-stack-adj.c (prev_active_insn_bb): New.
757         (next_active_insn_bb): New.
758         (force_move_args_size_note): New.
759         (combine_stack_adjustments_for_block): Use it.
760
761 2012-05-16  Olivier Hainque  <hainque@adacore.com>
762
763         * Makefile.in (install-no-fixedincludes): New target, former toplevel
764         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
765         Add comments and improve stamp preservation across the whole sequence.
766         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
767
768 2012-05-16  Richard Guenther  <rguenther@suse.de>
769
770         PR tree-optimization/53364
771         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
772         detect a view-conversion of the decl.
773
774 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
775
776         PR target/53358
777         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
778         that operands[2] is either immediate, or q_regs_operand.
779
780 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
781
782         Backport r187139 from mainline.
783         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
784
785         PR rtl-optimization/52804
786         * reload1.c (reload_reg_reaches_end_p): Check whether successor
787         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
788         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
789         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
790         RELOAD_FOR_OUTADDR_ADDRESS.
791
792 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
793
794         PR target/46098
795         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
796         generate target register for "load" class builtins.
797
798         Revert:
799         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
800
801         PR target/46098
802         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
803         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
804         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
805         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
806         (<sse>_movu<ssemodesuffix>): New expander.
807         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
808         (avx_movdqu<avxmodesuffix>): New expander.
809         (*sse2_movdqu): Rename from sse2_movdqu.
810         (sse2_movdqu): New expander.
811
812 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
813
814         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
815         lineno 1 the same as lineno 0 before first start file directive.
816         (optimize_macinfo_range): Likewise.
817
818         * dwarf2out.c (have_macinfo): Define.
819         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
820         attribute, don't force empty compilation unit and don't emit any
821         .debug_macinfo/.debug_macro section if macinfo_table is empty.
822
823 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
824
825         Backport from mainline
826         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
827
828         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
829         ORDERED and UNORDERED conditions.
830
831 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
832
833         * function.c (requires_stack_frame_p): If the function can throw
834         non-call exceptions, return true if the insn can throw internally.
835
836 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
837
838         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
839         DECL_ORIGINAL_TYPE if it is present.
840
841 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
842
843         Backport from 2012-05-12 mainline r187342.
844
845         PR target/53256
846         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
847         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
848         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
849         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
850         (expand_prologue): Move initialization of cfun->machine->is_naked,
851         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
852         (avr_set_current_function): ...this new static function.
853         (TARGET_SET_CURRENT_FUNCTION): New define.
854         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
855         checking attributes of current_function_decl.
856         (avr_regs_to_save): Ditto.
857         (signal_function_p): Rename to avr_signal_function_p.
858         (interrupt_function_p): Rename to avr_interrupt_function_p.
859
860         * doc/extend.texi (Function Attributes): Better explanation of
861         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
862         alphabetical order.
863
864 2012-05-09  Matthias Klose  <doko@ubuntu.com>
865
866         * gcc-ar.c (main): Don't check for execute bits for the plugin.
867
868 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
869
870         PR target/53272
871         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
872         when a constant source operand matches an "I" constraint, the "no
873         CC0 change" applies to a register-destination only, not a
874         strict_low_part-destination.
875
876 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
877
878         Backport from mainline:
879         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
880
881         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
882
883 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
884
885         PR tree-optimization/53239
886         * tree-vrp.c (get_value_range): Set VR of
887         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
888         to nonnull.
889
890 2012-05-07  Richard Guenther  <rguenther@suse.de>
891
892         PR tree-optimization/53195
893         * tree-inline.c (setup_one_parameter): Properly add referenced
894         vars from the parameters new known value.
895
896 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
897
898         Backport from mainline:
899         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
900
901         PR target/52999
902         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
903         in constant pool.
904
905 2012-05-04  Ian Lance Taylor  <iant@google.com>
906
907         * tree-vect-patterns.c (vect_single_imm_use): Correct return
908         values from false to NULL.
909
910 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
911
912         Backport from mainline
913         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
914
915         PR target/53228
916         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
917         (TARGET_CMOV): Rename from TARGET_CMOVE.
918         (TARGET_CMOVE): New define.
919         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
920         Do not set TARGET_CMOVE here.
921
922 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
923
924         Backport from mainline:
925
926         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
927
928         PR tree-optimization/52633
929         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
930         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
931         (vect_recog_over_widening_pattern): Remove handling of code that was
932         already detected as over-widening pattern.  Remove special handling
933         of "unsigned" cases.  Instead, support general case of conversion
934         of the shift result to another type.
935
936         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
937
938         * tree-vect-patterns.c (vect_single_imm_use): New function.
939         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
940         (vect_recog_over_widening_pattern): Likewise.
941         (vect_recog_widen_shift_pattern): Likewise.
942
943         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
944
945         PR tree-optimization/52870
946         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
947         presumed pattern statement is within the same loop or basic block.
948
949 2012-05-04  Richard Guenther  <rguenther@suse.de>
950
951         * common.opt (flto-report): Do not mark as Optimization.
952
953 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
954
955         PR target/48496
956         * recog.c (constrain_operands): If extra constraints are present, also
957         accept pseudo-registers with equivalent memory locations during reload.
958
959 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
960
961         Backport from the mainline
962         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
963
964         PR target/53199
965         * config/rs6000/rs6000.md (bswapdi splitters): If
966         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
967         default) is used, generate an alternate sequence that does not
968         depend on using indexed addressing.
969
970 2012-05-03  David S. Miller  <davem@davemloft.net>
971
972         PR target/52684
973         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
974         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
975         (sparc_emit_float_lib_cmp): Likewise.
976
977 2012-05-04  Martin Jambor  <mjambor@suse.cz>
978
979         Backport from mainline
980         2012-05-02  Martin Jambor  <mjambor@suse.cz>
981
982         PR lto/52605
983         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
984         of a variable when the contect is a function.
985
986 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
987
988         PR plugins/53126
989         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
990         append program name to it and pass that as first argument
991         to make_relative_prefix.  Always pass standard_libexec_prefix
992         as last argument to make_relative_prefix.  If
993         make_relative_prefix returns NULL, fall back to
994         standard_libexec_prefix.
995
996         PR debug/53174
997         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
998         removed.
999
1000         PR target/53187
1001         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1002         mode, return that mode.
1003
1004 2012-05-03  Richard Guenther  <rguenther@suse.de>
1005
1006         PR tree-optimization/53144
1007         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1008         Rename to ...
1009         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1010         with SSA name values.
1011         (vn_reference_lookup_3): Adjust callers.
1012
1013 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1014
1015         PR tree-optimization/53163
1016         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1017         return value from compute_all_dependences.
1018
1019         PR rtl-optimization/53160
1020         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1021         has been modified by ree pass already.
1022
1023 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1024
1025         Backport from mainline
1026         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1027
1028         PR middle-end/53136
1029         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1030         calls to cgraph_node_name in xstrdup.
1031         (ipa_make_edge_direct_to_target): Ditto.
1032         * tree-sra.c (convert_callers_for_node): Ditto.
1033         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1034         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1035         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1036         (cgraph_materialize_all_clones): Ditto.
1037         * ipa-inline.c (report_inline_failed_reason): Ditto.
1038         (want_early_inline_function_p): Ditto.
1039         (edge_badness): Ditto.
1040         (update_edge_key): Ditto.
1041         (flatten_function): Ditto.
1042         (ipa_inline): Ditto.
1043         (inline_always_inline_functions): Ditto.
1044         (early_inline_small_functions): Ditto.
1045
1046 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1047
1048         Backport from mainline
1049         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1050
1051         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1052         Introduce emul_name to select the right linker emulation for
1053         powerpc64-*-freebsd*.
1054         * configure: Regenerate.
1055         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1056         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1057         * config/rs6000/freebsd64.h: New file.
1058         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1059         POWERPC_FREEBSD.
1060         (rs6000_savres_strategy): Likewise.
1061         (rs6000_savres_routine_name): Likewise.
1062         (rs6000_elf_file_end): Likewise.
1063         * config/rs6000/t-freebsd64: New file.
1064         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1065         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1066
1067 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1068
1069         Backport from mainline
1070         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1071
1072         PR target/53138
1073         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1074
1075 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1076
1077         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1078         predicate to discriminate types.
1079
1080 2012-04-27  Richard Guenther  <rguenther@suse.de>
1081
1082         PR c/51527
1083         * convert.c (convert_to_integer): Avoid infinite recursion for
1084         target-defined built-in types.
1085
1086 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1087
1088         PR target/53120
1089         * config/cris/cris.md ("*andhi_lowpart_v32")
1090         ("*andqi_lowpart_v32"): Change first input-only operand from
1091         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1092         const_int-matching constraints for redundancy.
1093         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1094         three-operand alternative.
1095
1096 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1097
1098         Backport from mainline
1099         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1100
1101         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1102         (*addsi_2_zext): Ditto.
1103         (*add<mode>_3): Ditto.
1104         (*addsi_3_zext): Ditto.
1105         (*add<mode>_5): Ditto.
1106
1107 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1108
1109         PR c/52880
1110         * c-typeck.c (set_nonincremental_init,
1111         set_nonincremental_init_from_string): Pass true instead of false
1112         as IMPLICIT to add_pending_init.
1113
1114 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1115
1116         Backport from 2012-04-24 mainline r186768.
1117
1118         PR target/53065
1119         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1120
1121 2012-04-24  Richard Guenther  <rguenther@suse.de>
1122
1123         PR tree-optimization/53085
1124         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1125         stores.
1126
1127 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1128
1129         PR middle-end/53084
1130         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1131         of MEM_REF.
1132         (output_addressed_constants): Likewise.
1133
1134         PR middle-end/52999
1135         * varasm.c (get_section): Don't ICE for section conflicts with
1136         built-in section kinds.
1137
1138 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1139
1140         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1141
1142 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1143
1144         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1145
1146 2012-04-23  Richard Guenther  <rguenther@suse.de>
1147
1148         PR c/53060
1149         * c-typeck.c (build_binary_op): Fix typo.
1150
1151 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1152
1153         PR tree-optimizations/52891
1154         * tree-vect-patterns.c (adjust_bool_pattern): Use
1155         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1156         but with non-standard precision.
1157
1158 2012-04-22  Ian Lance Taylor  <iant@google.com>
1159
1160         * godump.c (go_output_typedef): Dump size of structs.
1161
1162 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1163
1164         Backport from mainline:
1165
1166         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1167         hints for 'A' operand types.
1168
1169 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1170
1171         Backport from 2012-04-19 mainline r186588.
1172
1173         PR target/53033
1174         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1175         the case *(X+const).
1176
1177 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1178
1179         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1180
1181 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1182
1183         PR target/53020
1184         * config/i386/sync.md (atomic_<code><mode>): Rename to
1185         atomic_<logic><mode>.
1186
1187 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1188
1189         Backport from mainline
1190         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1191
1192         PR target/52932
1193         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1194         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1195         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1196         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1197         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1198         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1199         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1200         gen_avx2_permvarv8sf.
1201
1202 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1203
1204         Backported from mainline
1205
1206         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1207         PR middle-end/52939
1208
1209         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1210         fold_ctor_reference returns a zero constant.
1211
1212 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1213
1214         Backported from mainline
1215         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1216
1217         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1218         and __ILP32__ for x32.
1219
1220 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1221
1222         Backport from mainline r186418.
1223
1224         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1225
1226         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1227         parameters vuse and vuse_escaped.
1228         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1229         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1230         vuse1 != vuse2.
1231
1232 2012-04-13  Richard Guenther  <rguenther@suse.de>
1233
1234         PR tree-optimization/52969
1235         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1236         the condition for the COND_EXPR and handle predicate negation
1237         by swapping the COND_EXPR arms.
1238
1239 2012-04-13  Richard Guenther  <rguenther@suse.de>
1240
1241         PR c/52862
1242         * convert.c (convert_to_pointer): Remove special-casing of
1243         zero.
1244
1245 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1246
1247         Backport from mainline
1248         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1249
1250         PR target/52775
1251         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1252         the list of options to enable the FCFID instruction.
1253         (TARGET_EXTRA_BUILTINS): Adjust comment.
1254
1255 2012-04-12  Richard Guenther  <rguenther@suse.de>
1256
1257         PR tree-optimization/52943
1258         * tree-chrec.h (chrec_is_positive): Remove.
1259         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1260         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1261         Return false for a constant zero instead of negative.
1262         (analyze_siv_subscript_cst_affine): Handle zero difference
1263         in the initial condition explicitely.
1264
1265 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1266
1267         PR middle-end/52894
1268         * varasm.c (process_pending_assemble_externals): Set
1269         pending_assemble_externals_processed true.
1270         (assemble_external): Call assemble_external_real if the pending
1271         assemble externals have been processed.
1272
1273 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1274
1275         PR target/52717
1276         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1277         the DECL generated for the special GOT helper.
1278
1279 2012-04-06  Walter Lee  <walt@tilera.com>
1280
1281         Backport from mainline
1282         2012-03-07  Walter Lee  <walt@tilera.com>
1283
1284         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1285         REG_CFA_* notes for the stack pointer.
1286         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1287         EH_RETURN_STACKADJ_RTX.
1288         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1289         generate REG_CFA_* notes for the stack pointer.
1290         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1291         by EH_RETURN_STACKADJ_RTX.
1292
1293 2012-04-06  Matt Turner  <mattst88@gmail.com>
1294
1295         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1296
1297 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1298
1299         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1300         of the destination isn't also a FP_REGS register.
1301
1302 2012-04-03  Richard Guenther  <rguenther@suse.de>
1303
1304         Backport from mainline
1305         2012-03-02  Richard Guenther  <rguenther@suse.de>
1306
1307         PR tree-optimization/52406
1308         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1309         (struct indices): Add unconstrained_base member.
1310         (struct dr_alias): Remove unused vops member.
1311         (DR_UNCONSTRAINED_BASE): New define.
1312         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1313         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1314         be an artificial access that covers the whole indexed object,
1315         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1316         plain decl base-objects to their MEM_REF variant.
1317         (dr_may_alias_p): When the base-object of either data reference
1318         has unknown size use only points-to information.
1319         (compute_affine_dependence): Make dumps easier to read and
1320         more verbose.
1321         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1322         DR_REF when looking for packed references.
1323         (vect_supportable_dr_alignment): Likewise.
1324
1325 2012-04-03  Richard Guenther  <rguenther@suse.de>
1326
1327         Backport from mainline
1328         2012-03-15  Richard Guenther  <rguenther@suse.de>
1329
1330         PR middle-end/52580
1331         * tree-data-ref.c (subscript_dependence_tester_1): Check
1332         all dimensions for non-conflicting access functions.
1333
1334 2012-04-03  Richard Guenther  <rguenther@suse.de>
1335
1336         Backport from mainline
1337         2012-03-06  Richard Guenther  <rguenther@suse.de>
1338
1339         PR middle-end/52493
1340         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1341
1342         2012-03-23  Richard Guenther  <rguenther@suse.de>
1343
1344         PR tree-optimization/52678
1345         * tree-vectorizer.h (struct _stmt_vec_info): Add
1346         loop_phi_evolution_part member.
1347         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1348         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1349         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1350         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1351         Use the cached evolution part and the PHI nodes value from
1352         the loop preheader edge instead of re-analyzing the evolution.
1353
1354         2012-03-26  Richard Guenther  <rguenther@suse.de>
1355
1356         PR tree-optimization/52701
1357         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1358         compute and set the evolution part of PHI nodes.
1359
1360         2012-03-30  Richard Guenther  <rguenther@suse.de>
1361
1362         PR tree-optimization/52754
1363         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1364         propagate arbitrary addresses into really plain dereferences.
1365
1366 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1367
1368         PR tree-optimization/52835
1369         * tree-data-ref.c (build_rdg): Return NULL if
1370         compute_data_dependences_for_loop failed.
1371
1372 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1373
1374         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1375         (stmt_can_make_abnormal_goto): Use it.
1376         (is_ctrl_altering_stmt): Likewise.
1377
1378 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1379
1380         Backported from mainline
1381         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1382
1383         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1384         is a builtin_stack_save in a dominating BB.
1385
1386 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1387
1388         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1389         crossing 128bit lane boundary.
1390
1391 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1392
1393         Backported from mainline
1394         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1395
1396         PR target/52698
1397         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1398         New prototype.
1399         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1400         * config/i386/i386.c: Include reload.h.
1401         (ix86_legitimize_reload_address): New function.
1402
1403 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1404
1405         Backported from mainline
1406         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1407
1408         PR middle-end/52693
1409         * tree-sra.c (sra_modify_assign): Do not call
1410         load_assign_lhs_subreplacements when working with an unscalarizable
1411         region.
1412
1413 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1414
1415         PR middle-end/52691
1416         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1417         __builtin_va_start to __builtin_next_arg if the latter is
1418         builtin_decl_explicit_p rather than when it is not.
1419
1420         PR middle-end/52750
1421         * tree-vect-generic.c (vector_element): Perform multiplication
1422         for pos in bitsizetype type instead of idx type.
1423
1424 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1425
1426         Backport from 2012-03-28 mainline r185910.
1427
1428         PR target/52692
1429         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1430         (avr_builtin_decl): New static function.
1431         (struct avr_builtin_description, avr_bdesc): Move up.
1432         Add GTY marker. Add field fndecl. Remove redundant field id.
1433         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1434         (avr_expand_builtin): Code cleanup because .id is removed.
1435
1436 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1437
1438         PR middle-end/51893
1439         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1440         targets.
1441
1442 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1443
1444         Backport from 2012-03-28 mainline r185907.
1445
1446         PR target/52737
1447         * config.gcc (tm_file): Remove avr/multilib.h.
1448
1449         * doc/invoke.texi (AVR Options): Adjust
1450         documentation of -mtiny-stack.
1451
1452         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1453         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1454         * config/avr/t-avr: Remove generation of multilib.h.
1455         * config/avr/t-multilib: Regenerate.
1456         * config/avr/multilib.h: Remove.
1457         * config/avr/avr.opt (-msp8): New option.
1458         (avr_sp8): New variable.
1459         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1460         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1461         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1462         (avr_device_to_sp8): New prototype.
1463         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1464         (DRIVER_SELF_SPECS): New define.
1465         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1466         __AVR_SP8__, __AVR_HAVE_SPH__.
1467         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1468         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1469         (avr_file_start): Ditto.
1470
1471 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1472
1473         PR target/52736
1474         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1475         instead of 8 in adjust_address.
1476
1477 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1478
1479         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1480         of a unit before computing the offset in units.
1481
1482 2012-03-27  Richard Guenther  <rguenther@suse.de>
1483
1484         PR middle-end/52720
1485         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1486         explicitely.
1487
1488 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1489
1490         PR target/52610
1491         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1492
1493 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1494
1495         PR middle-end/52640
1496         * varasm.c: Include pointer-set.h.
1497         (pending_assemble_externals_set): New pointer set.
1498         (process_pending_assemble_externals): Destroy the pointer set.
1499         (assemble_external): See if decl is in pending_assemble_externals_set,
1500         and add it to pending_assemble_externals if necessary.
1501         (init_varasm_once): Allocate pending_assemble_externals_set.
1502
1503 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1504
1505         Backported from mainline
1506         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1507
1508         PR target/50310
1509         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1510         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1511         (vector_ltgt<mode>): Likewise.
1512         (vector_ordered<mode>): Likewise.
1513         (vector_unordered<mode>): Likewise.
1514         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1515
1516 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1517
1518         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1519         Make static.
1520
1521 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1522
1523         Backported from mainline
1524         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1525
1526         PR target/48596
1527         PR target/48806
1528         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1529         GENERAL_REGS and FP_REGS for SImode.
1530
1531 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1532
1533         PR middle-end/52547
1534         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1535         on any new_local_var_chain vars declared during recursing on
1536         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1537
1538 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1539
1540         Backport from 2012-03-22 mainline r185692.
1541
1542         PR target/52496
1543         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1544         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1545         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1546         (delay_cycles_1, delay_cycles_2): Ditto.
1547         (delay_cycles_3, delay_cycles_4): Ditto.
1548         (nopv, *nopv): Ditto.
1549         (sleep, *sleep): Ditto.
1550         (wdr, *wdr): Ditto.
1551
1552         Backport from 2012-03-21 mainline r185605.
1553
1554         PR rtl-optimization/52543
1555         PR target/52461
1556         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1557         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1558         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1559         (avr_load_libgcc_p): Restrict to __flash loads.
1560         (avr_out_lpm): Only handle 1-byte loads from __flash.
1561         (avr_load_lpm): New function.
1562         (avr_find_unused_d_reg): Remove.
1563         (avr_out_lpm_no_lpmx): Remove.
1564         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1565         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1566         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1567         (load_<mode>, load_<mode>_clobber): New insns.
1568         (mov<mode>): For multi-byte move from non-generic
1569         16-bit address spaces: Expand to load_<mode> resp.
1570         load_<mode>_clobber.
1571         (load<mode>_libgcc): Remove expander.
1572         (split-lpmx): Remove split.
1573
1574         Backport from 2012-03-13 mainline r185329.
1575
1576         PR target/52488
1577         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1578         offset (size) to a value the insns can deal with.
1579         (expand_epilogue): Ditto.
1580
1581         Backport from 2012-03-12 mainline r185256.
1582
1583         PR target/52499
1584         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1585         type from reg_class_t to enum reg_class.
1586         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1587
1588         Backport from 2012-03-12 mainline r185253.
1589
1590         PR target/52148
1591         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1592         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1593         r184615 from 2012-02-28.
1594
1595         Backport from 2012-03-08 mainline r185105.
1596
1597         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1598         for constants in [-63,63].
1599
1600         Backport from 2012-03-08 mainline r185100.
1601
1602         PR target/52496
1603         * config/avr/avr.c (avr_mem_clobber): New static function.
1604         (avr_expand_delay_cycles): Add memory clobber operand to
1605         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1606         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1607         (enable_interrupt, disable_interrupt): New expander.
1608         (nopv, sleep, wdr): New expanders.
1609         (delay_cycles_1): Add memory clobber.
1610         (delay_cycles_2): Add memory clobber.
1611         (delay_cycles_3): Add memory clobber.
1612         (delay_cycles_4): Add memory clobber.
1613         (cli_sei): New insn from former "enable_interrupt",
1614         "disable_interrupt" with memory clobber.
1615         (*wdt): New insn from former "wdt" with memory clobber.
1616         (*nopv): Similar, but for "nopv".
1617         (*sleep): Similar, but for "sleep".
1618
1619         Backport from 2012-03-07 mainline r185043.
1620
1621         PR target/52484
1622         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1623
1624         Backport from 2012-03-07 mainline r185032.
1625
1626         PR target/52506
1627         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1628         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1629         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1630
1631         Backport from 2012-03-07 mainline r185031.
1632
1633         PR target/52505
1634         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1635         from RAM.
1636         * config/avr/avr.md (xload_8): Adjust insn length.
1637
1638         Backport from 2012-03-07 mainline r185030.
1639
1640         PR target/52461
1641         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1642         if RAMPZ affects reading from RAM.
1643
1644         Backport from 2012-03-05 mainline r184919.
1645
1646         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1647
1648 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1649
1650         Backport from mainline r185259.
1651
1652         PR other/52545
1653         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1654         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1655
1656 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1657
1658         Backported from mainline
1659         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1660
1661         PR c/52577
1662         * c-parser.c (c_parser_postfix_expression)
1663         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1664
1665         * config/i386/smmintrin.h: Avoid /* within a comment.
1666         * config/i386/nmmintrin.h: Likewise.
1667
1668 2012-03-22  Richard Guenther  <rguenther@suse.de>
1669
1670         * BASE-VER: Set to 4.7.1.
1671         * DEV-PHASE: Set to prerelease.
1672
1673 2012-03-22  Release Manager
1674
1675         * GCC 4.7.0 released.
1676
1677 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1678
1679         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1680
1681 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1682             Andrew Pinski  <apinski@cavium.com>
1683
1684         PR middle-end/52592
1685         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1686         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1687         calls instead of __builtin_ir{int,ound}*.
1688
1689 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1690
1691         PR c++/52582
1692         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1693         if c_node is NULL.
1694
1695 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1696
1697         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1698         Refer to GCC 4.7 version of c99status.html.
1699
1700 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1701
1702         Backport from mainline
1703         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1704
1705         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1706         redefine to be NULL if the current bit-size is different from the
1707         configured bit-size.
1708
1709         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1710         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1711         set the default tuning.  Add asserts to make sure the cpu and tune
1712         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1713         test whether the index is set, instead of > 0.
1714         (rs6000_file_start): Do not reset the default cpu if the current
1715         bit-size is different from the configured bit-size.
1716
1717 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1718
1719         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1720         binutils reference.
1721         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1722         Update binutils references.
1723         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1724         Update binutils reference.
1725         Update Sun as/GNU ld caveat.
1726         Document binutils largefile requirement for LTO plugin.
1727         Remove reference to alternate libpthread.
1728
1729 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1730
1731         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1732         reference.
1733         (Specific, mips-sgi-irix6): Likewise.
1734
1735 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1736
1737         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1738         * configure: Regenerate.
1739
1740 2012-03-07  Richard Henderson  <rth@redhat.com>
1741
1742         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1743         * config/m68k/sync.md (atomic_test_and_set): Use it.
1744         (atomic_test_and_set_1): Likewise.
1745
1746 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1747
1748         PR target/51417
1749         * Makefile.in: Let install-gcc-ar depend on installdirs,
1750         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1751         Don't double canonicalize if cross-compiling.
1752
1753 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1754
1755         * trans-mem.c: New typedef for tm_region_p.
1756         Define vector types for tm_region_p.
1757         (tm_region_init): Replace region_worklist to a vector called
1758         bb_regions.
1759
1760 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1761
1762         PR middle-end/52463
1763         * trans-mem.c (tm_region_init): Use last_basic_block.
1764
1765 2012-03-05  Richard Henderson  <rth@redhat.com>
1766
1767         PR tree-opt/52242
1768         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1769         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1770         BIGGEST_ALIGNMENT is aligned.
1771
1772 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1773
1774         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1775
1776 2012-03-05  Richard Henderson  <rth@redhat.com>
1777
1778         PR target/52481
1779         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1780         instead of calling negqi2 directly.
1781
1782 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1783
1784         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1785         (INTMAX_TYPE): Use it.
1786         (UINTMAX_TYPE): Likewise.
1787         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1788         (irix6_c_common_override_options): Declare.
1789         (C_COMMON_OVERRIDE_OPTIONS): Define.
1790         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1791         * config/mips/irix6-c.c: New file.
1792         * config/mips/t-irix6 (irix6-c.o): New target.
1793         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1794         cxx_target_objs.
1795
1796 2012-03-02  Richard Henderson  <rth@redhat.com>
1797
1798         * optabs.c (expand_atomic_test_and_set): Honor
1799         atomic_test_and_set_trueval even when atomic_test_and_set
1800         optab is not in use.
1801
1802 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1803
1804         Backport from mainline
1805         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1806
1807         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1808
1809 2012-03-02  Richard Guenther  <rguenther@suse.de>
1810
1811         * DEV-PHASE: Set to prerelease.
1812
1813 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1814
1815         * config.gcc (obsolete): Add all ARM targets using the FPA.
1816         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1817         * doc/install.texi: Avoid references to obsolete ARM ports.
1818
1819 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1820
1821         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1822
1823 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1824             Joern Rennecke  <joern.rennecke@embecosm.com>
1825
1826         * doc/extend.texi: Expand and update information on interrupt
1827         attribute for Epiphany.
1828
1829 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1830
1831         * config/sh/sh-protos.h: Update copyright notice dates.
1832         * config/sh/sh.h: Likewise.
1833         * config/sh/sh.md: Likewise.
1834         * config/sh/constraints.md: Likewise.
1835         * config/sh/predicates.md: Likewise.
1836
1837 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1838
1839         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1840         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1841
1842 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1843
1844         * config/sh/constraints.md: Fix comment typo.
1845
1846 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1847
1848         PR target/52408
1849         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1850         unsigned HOST_WIDE_INT.
1851         (zvdep_imm64): Likewise.
1852         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1853         (vdepi_and): Likewise.
1854         Likewise for unamed 64-bit patterns.
1855         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1856
1857 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1858
1859         PR debug/52001
1860         PR rtl-optimization/52417
1861         * cselib.c (cselib_any_perm_equivs): New variable.
1862         (cselib_reset_table): Check that it's not set when not
1863         preserving constants.
1864         (cselib_add_permanent_equiv): Set it.
1865         (cselib_have_permanent_equivalences): New.
1866         (cselib_init, cselib_finish): Reset it.
1867         * cselib.h (cselib_have_permanent_equivalences): Declare.
1868         * alias.c (get_addr): Restore earlier behavior when there
1869         aren't permanent equivalences.
1870
1871 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1872
1873         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1874         * config/v850/v850-modes.def: Fix copyright notice.
1875
1876 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1877
1878         * doc/extend.texi (AVR Built-in Functions): Document
1879         __builtin_avr_flash_segment.
1880
1881         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1882         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1883         (*split.flash_segment): New insn-and-split.
1884         * config/avr/avr.c (avr_init_builtins): Add local variables:
1885         const_memx_void_node, const_memx_ptr_type_node,
1886         char_ftype_const_memx_ptr.
1887
1888 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1889
1890         PR tree-optimization/52445
1891         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1892         add ssa_name_ver, offset and size fields and change store field
1893         to bool.
1894         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1895         (add_or_mark_expr): Likewise.  Only consider previous stores
1896         with the same size and offset.
1897         (nt_init_block): Only look at gimple_assign_single_p stmts,
1898         doesn't look at rhs2.
1899
1900 2012-03-01  Richard Guenther  <rguenther@suse.de>
1901
1902         PR middle-end/52443
1903         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1904         conversions from integral types to pointer types.
1905
1906 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1907
1908         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1909         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1910         unintentionally removed in r184616.
1911
1912 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1913
1914         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1915         3DNow from bdver1.
1916
1917 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1918             Uros Bizjak  <ubizjak@gmail.com>
1919
1920         PR target/52437
1921         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1922         alternatives, add "e" constraint to the new last alternative
1923         and ! to last 3 alternatives.
1924
1925 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1926
1927         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1928         DW_AT_artificial attributes at the end of the processing.
1929         (gen_array_type_die): Likewise.
1930         (gen_enumeration_type_die): Likewise.
1931         (gen_struct_or_union_type_die): Likewise.
1932         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1933         the parent type.
1934
1935 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1936
1937         PR middle-end/52419
1938         * expr.c (expand_assignment): If doing misaligned store that doesn't
1939         cover all mode bits, perform a RMW cycle.
1940
1941         PR tree-optimization/52429
1942         * tree-parloops.c (separate_decls_in_region_debug): Return early
1943         if var is LABEL_DECL.
1944
1945 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1946
1947         PR tree-optimization/52424
1948         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1949         calling dom_thread_across_edge.
1950
1951 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1952
1953         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1954
1955 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1956
1957         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1958         * config/avr/avr.c (avr_output_bld): Remove unused function.
1959         (avr_out_sbxx_branch): Use "%T" to print bit position.
1960
1961 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1962
1963         * config/avr/avr.md: Untabify.
1964
1965 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1966
1967         * config/avr/avr.md (eqne): New code iterator.
1968         (*dec-and-branchsi): Use it in text peephole's condition.
1969         (*dec-and-branchhi): Ditto.
1970         (*dec-and-branchqi): Ditto.
1971
1972 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1973
1974         PR target/49939
1975         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1976         the device does not have the skip-bug.
1977
1978 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1979
1980         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1981         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1982         -mpretend-cmove): New.
1983
1984 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1985
1986         PR bootstrap/52397
1987         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1988         doesn't count DEBUG_INSN refs.
1989         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1990         for DEBUG_INSN refs.
1991
1992 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1993
1994         Partially revert:
1995
1996         2012-02-20  Richard Guenther  <rguenther@suse.de>
1997         PR tree-optimization/52298
1998         * tree-vect-stmts.c (vectorizable_load): Properly use
1999         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2000         outer loops.
2001
2002 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2003
2004         PR middle-end/51752
2005         * gimple.h (gimple_in_transaction): New.
2006         (gimple_set_in_transaction): New.
2007         (struct gimple_statement_base): Add in_transaction field.
2008         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2009         transaction loads.
2010         (tree_ssa_lim_initialize): Compute transaction bits.
2011         * tree.h (compute_transaction_bits): Protoize.
2012         * trans-mem.c (tm_region_init): Use the heap to store BB
2013         auxilliary data.
2014         (compute_transaction_bits): New.
2015
2016 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2017
2018         * gcc.c (display_help): Document --help=common and sort entries
2019         alphabetically.
2020
2021 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2022
2023         * doc/install.texi: Document check-$LANG specific shortcuts
2024
2025 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2026
2027         PR target/51534
2028         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2029         and vcgtu.
2030         * config/arm/arm_neon.h: Regenerate.
2031         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2032         (neon_vcgeu): New insn.
2033         (neon_vcgtu): Likewise.
2034         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2035         (ops): Unsigned comparison intrinsics call a different
2036         builtin.
2037
2038 2012-02-28  Richard Guenther  <rguenther@suse.de>
2039
2040         PR target/52407
2041         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2042         ordering for the VEC_CONCAT for two element vectors for
2043         V2SFmode, V2SImode and V2DImode.
2044
2045 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2046
2047         PR target/49448
2048         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2049         detecting big-endian triplets.
2050
2051 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2052
2053         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2054         mode if there is no type information available.
2055
2056 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2057
2058         PR tree-optimization/53207
2059         * doc/invoke.texi: Document as experimental and relying on graphite.
2060
2061 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2062
2063         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2064         of initializer to changes from r184614.
2065
2066 2012-02-28  Richard Guenther  <rguenther@suse.de>
2067
2068         PR tree-optimization/52395
2069         * tree-sra.c (build_ref_for_offset): Also look at the base
2070         TYPE_ALIGN when figuring out the alignment of the replacement.
2071
2072 2012-02-28  Richard Guenther  <rguenther@suse.de>
2073
2074         PR tree-optimization/52402
2075         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2076         mis-aligned types when creating the accesses at the call site.
2077
2078 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2079
2080         * config/avr/builtins.def: New file.
2081         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2082         * config/avr/avr.c (enum avr_builtin_id): Use it.
2083         (avr_init_builtins): Use it. And use avr_bdesc.
2084         (bdesc_1arg): Remove.
2085         (bdesc_2arg): Remove.
2086         (bdesc_3arg): Remove.
2087         (struct avr_builtin_description): Add field n_args.
2088         (avr_bdesc): New static variable using builtins.def.
2089         (avr_expand_builtin): Use it.
2090         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2091         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2092         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2093
2094 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2095
2096         PR target/52148
2097         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2098         match only one single hard register with respective hard reg rtx.
2099         (movmemx_<mode>): Ditto.
2100         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2101         insn anatomy of movmem[x]_<mode>.
2102         (avr_out_movmem): Same for printing assembler and operand usage.
2103
2104 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2105
2106         PR target/49868
2107         PR target/52261
2108         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2109         address spaces located outside of device flash.
2110
2111         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2112         (mcu_type_s): Add field n_flash.
2113         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2114         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2115         (AVR_MCU): Add N_FLASH argument.
2116         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2117         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2118         macro __FLASH<n> if that address space makes sense for the device.
2119         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2120         outside of target flash.
2121         (avr_asm_named_section): Ditto.
2122         (avr_asm_select_section): Ditto.
2123         (avr_addr_space_convert): Ditto.
2124         (avr_emit_movmemhi): Ditto.
2125         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2126         address space is outside of device flash.
2127         (avr_insert_attributes): Ditto.
2128         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2129         avr_current_arch->n_segments.
2130
2131 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2132
2133         PR target/52352
2134         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2135         TARGET_LP64.
2136         (*movabs<mode>_2): Likewise.
2137
2138 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2139
2140         PR target/52375
2141         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2142         s_register_operand in the test instead of REG_P.  Don't call
2143         gen_reg_rtx if it won't be used.
2144
2145         PR tree-optimization/52376
2146         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2147
2148 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2149
2150         * ifcvt.c (noce_get_condition): Check condition variable is not
2151         small_register_classes_for_mode_p before accepting.
2152
2153 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2154
2155         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2156
2157 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2158
2159         Revert:
2160         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2161         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2162         tuning parameters.
2163         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2164
2165 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2166
2167         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2168
2169 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2170
2171         * config/sh/predicates.md: Remove blank lines.
2172         * config/sh/sh.c: Fix typos in comments.
2173         * config/sh/constraints.md: Likewise.
2174         * config/sh/sh.md: Remove blank lines.
2175         Fix typos in comments.  Use ;; as comment characters.
2176
2177 2012-02-26  Walter Lee  <walt@tilera.com>
2178
2179         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2180         (replace_mov_pcrel_step2): Ditto.
2181
2182 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2183
2184         PR debug/52001
2185         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2186         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2187         and locs that reference values newer than the non-canonical value
2188         at hand.  Return the canonical value as a worst case.
2189         (memrefs_conflict_p): Walk canonical value's locs.
2190
2191         PR debug/52001
2192         * cselib.c (preserve_only_constants): Rename to...
2193         (preserve_constants_and_equivs): ... this.  Split out...
2194         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2195         of other preserved expressions too.
2196         (cselib_reset_table): Adjust.
2197         * var-tracking.c (reverse_op): Use canonical value to build
2198         reverse operation.
2199
2200 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2201
2202         * config/i386/i386.c (ix86_delegitimize_address): Handle
2203         UNSPEC_PCREL plus displacement.
2204
2205 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2206
2207         PR target/52261
2208         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2209         to test for unusedness in st X addressing.
2210
2211 2012-02-24  Richard Guenther  <rguenther@suse.de>
2212
2213         PR middle-end/52361
2214         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2215         (is_gimple_reg_type): Move inline ...
2216         * gimple.h (is_gimple_reg_type): ... here.
2217
2218 2012-02-24  Richard Guenther  <rguenther@suse.de>
2219
2220         PR middle-end/52361
2221         * passes.c (execute_function_todo): When verifying SSA form
2222         verify gimple form first.
2223         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2224
2225 2012-02-24  Richard Guenther  <rguenther@suse.de>
2226
2227         PR middle-end/52355
2228         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2229         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2230
2231 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2232
2233         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2234
2235 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2236
2237         * tree-phinodes.c (make_phi_node): Mark static.
2238         * tree-flow.h (make_phi_node): Remove extern decl.
2239         * doc/gimple.texi (make_phi_node): Remove documentation.
2240
2241 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2242
2243         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2244         * tree-ssa-sccvn.c (print_scc): Ditto.
2245
2246 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2247
2248         * doc/passes.texi (Full redundancy elimination): Fix typo.
2249
2250 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2251
2252         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2253
2254 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2255
2256         PR bootstrap/52287
2257         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2258
2259 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2260
2261         PR c/52290
2262         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2263
2264 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2265
2266         * config/avr/avr.md (code_stdname): Add ior, xor.
2267         (xior): New code iterator.
2268         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2269         (*<code_stdname><mode>qi.byte1-3): Ditto.
2270
2271 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2272
2273         PR tree-optimization/52019
2274         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2275         CLOBBER stmts.
2276
2277 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2278
2279         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2280         HAVE_INITFINI_ARRAY to work around namespace pollution in
2281         certain versions of newlib system headers.
2282         * config.in: Regenerate.
2283         * configure: Regenerate.
2284         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2285         instead of HAVE_INITFINI_ARRAY.
2286
2287 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2288
2289         PR target/52330
2290         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2291         is not offsettable memory reference.
2292
2293 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2294
2295         PR target/18145
2296         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2297         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2298
2299 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2300
2301         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2302         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2303
2304 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2305
2306         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2307         library on Solaris 8 even without TLS support.
2308         * configure: Regenerate.
2309
2310 2012-02-22  Richard Guenther  <rguenther@suse.de>
2311
2312         PR middle-end/52329
2313         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2314         for GIMPLE_DEBUG stmts.
2315
2316 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2317
2318         PR middle-end/51782
2319         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2320         according to the base object.
2321
2322 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2323
2324         PR rtl-optimization/50063
2325         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2326         and 2 (8-bit SP) in operand 2.
2327         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2328         setup to use movhi_sp_r instead of vanilla move to write SP.
2329         Adjust REG_CFA notes to superseed unspec.
2330         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2331         of vanilla move.
2332         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2333         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2334         irq_state 1 (IRQ known to be on) here.
2335
2336 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2337
2338         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2339         WORDS_BIG_ENDIAN.
2340         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2341         assign_hard_reg): Likewise.
2342
2343 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2344
2345         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2346
2347 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2348
2349         * config/avr/avr.md
2350         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2351         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2352
2353 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2354
2355         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2356         prototype from here to...
2357         * config/avr/avr.h: ...here.
2358
2359 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2360
2361         PR target/52294
2362         * thumb2.md (thumb2_shiftsi3_short): Split register and
2363         immediate shifts.  For register shifts tie operands 0 and 1.
2364         (peephole2 for above): Check that register-controlled shifts
2365         have suitably tied operands.
2366
2367 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2368
2369         PR target/52137
2370         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2371         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2372         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2373         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2374         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2375         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2376         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2377         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2378         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2379         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2380         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2381         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2382         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2383         bdver1_ssevector_avx256_unaligned_load,
2384         bdver1_ssevector_sse128_unaligned_load,
2385         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2386         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2387         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2388         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2389         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2390         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2391         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2392         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2393         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2394         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2395         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2396         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2397         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2398         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2399         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2400         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2401         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2402         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2403         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2404         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2405         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2406         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2407         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2408         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2409         bdver1_ssediv_double_load, bdver1_ssediv_double,
2410         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2411         Add "bdver2" attribute.
2412
2413 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2414
2415         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2416         default if possible and not specified otherwise.
2417
2418 2012-02-21  Richard Guenther  <rguenther@suse.de>
2419
2420         PR middle-end/52314
2421         * gimplify.c (create_tmp_from_val): Use the main variant type
2422         for the type of the temporary we create.
2423
2424 2012-02-21  Richard Guenther  <rguenther@suse.de>
2425
2426         PR tree-optimization/52324
2427         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2428         do not gimplify a MEM_REF address operand if it is already
2429         in suitable form.
2430
2431 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2432
2433         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2434         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2435
2436 2012-02-21  Richard Guenther  <rguenther@suse.de>
2437
2438         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2439         nested_in_vect_loop.
2440
2441 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2442
2443         PR tree-optimization/52318
2444         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2445         vdef also to non-pure/const call stmts in the sequence.
2446
2447 2012-02-20  David S. Miller  <davem@davemloft.net>
2448
2449         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2450         don't use the "rd %pc" instruction on v9 for PIC register loads.
2451
2452 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2453
2454         PR middle-end/52141
2455         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2456         in a transaction safe function.
2457
2458 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2459
2460         PR target/52238
2461         * stor-layout.c (place_field): Handle desired_align for
2462         ms-bitfields, too.
2463
2464 2012-02-20  Richard Guenther  <rguenther@suse.de>
2465
2466         PR tree-optimization/52298
2467         * tree-vect-stmts.c (vectorizable_store): Properly use
2468         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2469         outer loops.
2470         (vectorizable_load): Likewise.
2471         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2472         Access DR_STEP after ensuring it is not NULL.
2473
2474 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2475
2476         PR tree-optimization/52286
2477         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2478         optimization use double_int_to_tree instead of build_int_cst_wide,
2479         rewrite to use double_int vars.
2480
2481 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2482
2483         PR target/50166
2484         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2485         Define _start.
2486         Remove -e 0 from $gcc_cv_ld invocation.
2487         Only use __GLIBC_PREREQ if defined.
2488         Enable on Solaris since Solaris 8 patch.
2489         (gcc_SUN_LD_VERSION): New macro.
2490         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2491         gcc_SUN_LD_VERSION for version number format.
2492         * configure: Regenerate.
2493         * varasm.c (get_elf_initfini_array_priority_section): Set
2494         SECTION_NOTYPE for non-default priority.
2495         Use get_section instead of get_unnamed_section to emit
2496         .init_array/.fini_array with default priority.
2497
2498 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2499
2500         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2501         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2502         (mips_start_unique_function, mips_output_mips16_rdhwr)
2503         (mips_code_end): New functions.
2504         (TARGET_ASM_CODE_END): Define.
2505
2506 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2507
2508         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2509         to stubs with non-sibling calls.
2510
2511 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2512
2513         * doc/invoke.texi (-fira-* options): Copy-edit.
2514         (ira-* parameters): Copy-edit.
2515
2516 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2517
2518         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2519         GCC coding conventions.
2520
2521 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2522
2523         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2524         when used as adjectives.
2525
2526 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2527
2528         * doc/invoke.texi: Clean up "that"/"which" confusion.
2529
2530 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2531
2532         * system.h: Poison SMALL_REGISTER_CLASSES
2533         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2534         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2535
2536 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2537
2538         PR tree-optimization/52285
2539         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2540         when deciding if a call is a tail call or tail recursion.
2541
2542 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2543
2544         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2545         interger-constant displacement for UNSPEC_PCREL.
2546
2547 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2548
2549         PR rtl-optimization/52208
2550         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2551         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2552
2553         PR tree-optimization/52255
2554         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2555         loop->header has virtual PHI, but exit_e->dest doesn't, add
2556         virtual PHI to exit_e->dest and adjust all uses after the loop.
2557
2558         PR debug/52260
2559         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2560         children with clone_tree_hash, not after it.
2561
2562 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2563
2564         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2565         extended identifiers.
2566
2567 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2568
2569         PR middle-end/51929
2570         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2571         a same_body_alias, also test whether e->callee isn't a former
2572         or current clone of the decl this is a same body alias of.
2573
2574         PR translation/52264
2575         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2576
2577 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2578
2579         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2580
2581 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2582
2583         PR target/52199
2584         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2585         force_reg instead of copy_to_reg for better optimization.  Force
2586         non-register or memory operands into a register.
2587
2588 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2589
2590         * extend.texi: Reserve upper bits of memory model for future use.
2591
2592 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2593             Anatoly Sokolov <aesok@post.ru>
2594             Eric Weddington <eric.weddington@atmel.com>
2595
2596         PR target/52261
2597         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2598         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2599         Rewrite initializers for .macro.
2600         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2601         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2602         atxmega32d4, atxmega32x1.
2603         avrxmega4: atxmega64a3, atxmega64d3.
2604         avrxmega5: atxmega64a1, atxmega64a1u.
2605         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2606         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2607         avrxmega7: atxmega128a1, atxmega128a1u.
2608         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2609         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2610         (struct base_arch_s): Rename reserved to xmega_p.
2611         Rename reserved2 to have_rampd.
2612         (AVR_XMEGA): New define.
2613         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2614         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2615         * config/avr/predicates.md (io_address_operand): Take into
2616         account SFR offset.
2617         (low_io_address_operand): Ditto.
2618         (high_io_address_operand): Ditto.
2619         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2620         (enabled, movhi_sp_r): Use them.
2621         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2622         cpp_define_formatted to built-in define __AVR_ARCH__.
2623         (__AVR_XMEGA__): New built-in define.
2624         (__AVR_HAVE_RAMPD__): New built-in define.
2625         (__AVR_HAVE_RAMPX__): New built-in define.
2626         (__AVR_HAVE_RAMPY__): New built-in define.
2627         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2628
2629         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2630         (avr_option_override): Initialize them.
2631         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2632         (avr_init_expanders): Initialize them. No more block several calls.
2633         (emit_push_sfr): New static function.
2634         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2635         Handle AVR_XMEGA.
2636         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2637         (avr_print_operand): Print addreeses as symbols for
2638         RAMPX, RAMPY, RAMPD, CCP.
2639         (output_movhi): Handle AVR_XMEGA when writing to SP.
2640         (avr_out_movhi_mr_r_xmega): New static function.
2641         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2642         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2643         __RAMPD__,  __CCP__ as needed.
2644
2645         * config/avr/multilib.h: Regenerate.
2646         * config/avr/t-multilib: Regenerate.
2647         * config/avr/avr-tables.opt: Regenerate.
2648
2649 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2650
2651         PR tree-optimization/50561
2652         * graphite-flattening.c (lst_project_loop): Do not
2653         remove old scattering dimensions after flattening.
2654         (lst_do_flatten): Likewise.
2655
2656 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2657
2658         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2659         __builtin_avr_map8, __builtin_avr_map16.
2660         Document __builtin_avr_insert_bits.
2661
2662         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2663         (insert_bits): New insn.
2664         (adjust_len.map_bits): Rename to insert_bits.
2665         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2666         * avr-protos.h (avr_out_map_bits): Remove.
2667         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2668         * config/avr/constraints.md (Cxf,C0f): New.
2669         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2670         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2671         New built-in define __BUILTIN_AVR_INSERT_BITS.
2672         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2673         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2674         (avr_move_bits): Rewrite.
2675         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2676         functions.
2677         (avr_map_op_t): New typedef.
2678         (avr_map_op): New static variable.
2679         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2680         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2681         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2682         (bdesc_3arg, avr_expand_triop_builtin): New.
2683         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2684         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2685         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2686         (avr_map_equal_p, avr_map_sig_p): Remove.
2687         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2688         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2689         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2690         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2691         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2692         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2693
2694 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2695
2696         * config/c6x/c6x.md (reserve_cycles): New attribute.
2697         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2698         don't reserve functional units after the branch occurs.
2699
2700 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2701
2702         PR middle-end/52142
2703         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2704         functions into non-tm_pure functions.
2705
2706 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2707
2708         PR lto/52178
2709         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2710         (iterative_hash_canonical_type): Likewise.
2711         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2712         the dead edges.
2713
2714 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2715
2716         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2717         sched-group insn, it either remains alone or the entire list is pruned.
2718
2719 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2720
2721         * doc/install.texi (Prerequisites): Fix grammar.
2722         (Configuration): Likewise.
2723
2724 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2725
2726         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2727         MPC as part of GCC before describing configuring with --with-gmp etc.
2728         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2729         sources are present.
2730
2731 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2732
2733         PR debug/51950
2734         * dwarf2out.c (clone_tree_hash): New function.
2735         (copy_decls_walk): Use it instead of clone_tree.
2736
2737 2012-02-14  Richard Guenther  <rguenther@suse.de>
2738
2739         PR tree-optimization/52244
2740         PR tree-optimization/51528
2741         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2742         replacements for integral types.
2743
2744 2012-02-14  Walter Lee  <walt@tilera.com>
2745
2746         * config.gcc: Handle tilegx and tilepro.
2747         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2748         tilegx and tilepro.
2749         Add HAVE_AS_TLS check for tilegx and tilepro.
2750         * configure: Regenerate.
2751         * doc/contrib.texi: Add Mat Hostetter and self.
2752         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2753         Document instruction intrinsics and network accessing intrinsics.
2754         (TILEPro Built-in Functions): New node.  Document instruction
2755         intrinsics and network accessing intrinsics.
2756         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2757         (Specific, tilepro-*-linux*): Likewise.
2758         * doc/invoke.texi (TILE-Gx Options): New section.
2759         (TILEPro Options): New section.
2760         * doc/md.texi (TILE-Gx): New section.
2761         (TILEPro): New section.
2762         * common/config/tilegx/tilegx-common.c: New file.
2763         * common/config/tilepro/tilepro-common.c: New file.
2764         * config/tilegx/constraints.md: New file.
2765         * config/tilegx/linux.h: New file.
2766         * config/tilegx/mul-tables.c: New file.
2767         * config/tilegx/predicates.md: New file.
2768         * config/tilegx/sync.md: New file.
2769         * config/tilegx/t-tilegx: New file.
2770         * config/tilegx/tilegx-builtins.h: New file.
2771         * config/tilegx/tilegx-c.c: New file.
2772         * config/tilegx/tilegx-generic.md: New file.
2773         * config/tilegx/tilegx-modes.def: New file.
2774         * config/tilegx/tilegx-multiply.h: New file.
2775         * config/tilegx/tilegx-protos.h: New file.
2776         * config/tilegx/tilegx.c: New file.
2777         * config/tilegx/tilegx.h: New file.
2778         * config/tilegx/tilegx.md: New file.
2779         * config/tilegx/tilegx.opt: New file.
2780         * config/tilepro/constraints.md: New file.
2781         * config/tilepro/gen-mul-tables.cc: New file.
2782         * config/tilepro/linux.h: New file.
2783         * config/tilepro/mul-tables.c: New file.
2784         * config/tilepro/predicates.md: New file.
2785         * config/tilepro/t-tilepro: New file.
2786         * config/tilepro/tilepro-builtins.h: New file.
2787         * config/tilepro/tilepro-c.c: New file.
2788         * config/tilepro/tilepro-generic.md: New file.
2789         * config/tilepro/tilepro-modes.def: New file.
2790         * config/tilepro/tilepro-multiply.h: New file.
2791         * config/tilepro/tilepro-protos.h: New file.
2792         * config/tilepro/tilepro.c: New file.
2793         * config/tilepro/tilepro.h: New file.
2794         * config/tilepro/tilepro.md: New file.
2795         * config/tilepro/tilepro.opt: New file.
2796
2797 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2798
2799         PR tree-optimization/52210
2800         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2801         vect_model_simple_cost with two entry vect_def_type array instead
2802         of an address of dt.
2803
2804 2012-02-14  Richard Guenther  <rguenther@suse.de>
2805
2806         PR lto/52178
2807         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2808         Do not stream DECL_QUALIFIER.
2809         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2810         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2811         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2812
2813 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2814
2815         PR c/52181
2816         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2817         newdecl.
2818
2819 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2820
2821         PR bootstrap/52172
2822         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2823         * cselib.c (cselib_subst_to_values_from_insn): New function.
2824         * sched-deps.c (add_insn_mem_dependence,
2825         sched_analyze_1, sched_analyze_2): Use it.
2826
2827 2012-02-13  Jan Hubicka  <jh@suse.cz>
2828
2829         PR middle-end/52214
2830         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2831
2832 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2833
2834         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2835         (GTM_SELF_SPECS): Define if not already defined.
2836         (driver_self_specs): Add GTM_SELF_SPECS.
2837         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2838         (GTM_SELF_SPECS): Define.
2839         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2840         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2841
2842 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2843
2844         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2845         away if seen.
2846
2847         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2848
2849         PR middle-end/52230
2850         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2851         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2852
2853 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2854
2855         PR c/52190
2856         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2857
2858 2012-02-13  Richard Guenther  <rguenther@suse.de>
2859
2860         PR translation/52211
2861         * passes.c (enable_disable_pass): Fix typo.
2862
2863 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2864
2865         PR middle-end/52209
2866         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2867         XOR for reduce_bit_field if type is unsigned.
2868
2869 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2870
2871         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2872         disallow changes from SFmode to mode with different size in FP regs.
2873
2874 2012-02-12  Robert Millan  <rmh@gnu.org>
2875             Gerald Pfeifer <gerald@pfeifer.com>
2876
2877         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2878         Tweak comment.
2879
2880 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2881
2882         PR rtl-optimization/52175
2883         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2884         to frame-related instructions.
2885
2886 2012-02-10  Jason Merrill  <jason@redhat.com>
2887
2888         PR c++/51910
2889         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2890         (demangle_new_symbols): Fill it.
2891         (scan_linker_output): Walk it.
2892         (start_tweaking): Split out from scan_linker_output.
2893         (maybe_tweak): Update sym->chosen.
2894         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2895
2896 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2897
2898         PR debug/52132
2899         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2900
2901 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2902
2903         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2904         having the same mode as previous compare.
2905
2906 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2907
2908         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2909         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2910         (nonlocal_goto_internal): Likewise.
2911         (nonlocal_goto): Emit a use and an indirect jump directly.
2912
2913 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2914
2915         PR c/52190
2916         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2917         __atomic_{is,always}_lock_free.
2918
2919 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2920
2921         PR target/52146
2922         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2923         negative constant address for x32.
2924
2925 2012-02-10  Richard Henderson  <rth@redhat.com>
2926
2927         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2928         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2929         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2930
2931 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2932             Ira Rosen  <irar@il.ibm.com>
2933
2934         PR tree-optimization/50031
2935         * targhooks.c (default_builtin_vectorization_cost): Handle
2936         vec_promote_demote.
2937         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2938         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2939         all types of reduction and pattern statements.
2940         (vect_estimate_min_profitable_iters): Likewise.
2941         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2942         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2943         for explicit realigns.
2944         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2945         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2946         vec_promote_demote.
2947         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2948         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2949         vec_perm for VSX and handle vec_promote_demote.
2950
2951 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2952
2953         PR middle-end/52177
2954         * builtins.c (fold_builtin_atomic_always_lock_free,
2955         expand_builtin_atomic_always_lock_free,
2956         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2957         Return and/or test boolean_true_node/boolean_false_node instead of
2958         integer_one_node/integer_zero_node.
2959
2960 2012-02-10  Jan Hubicka  <jh@suse.cz>
2961
2962         PR middle-end/48600
2963         * predict.c (predict_paths_for_bb): Prevent looping.
2964         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2965
2966 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2967
2968         * config/arm/arm.c (output_move_double): In one case properly
2969         count number of instructions that will be emitted.
2970
2971 2012-02-10  Richard Guenther  <rguenther@suse.de>
2972
2973         PR translation/52193
2974         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2975
2976 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2977
2978         PR middle-end/52140
2979         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2980
2981 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2982
2983         PR debug/52165
2984         * var-tracking.c (emit_note_insn_var_location): If
2985         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2986         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2987         non-NOTE_DURING_CALL_P insn.
2988
2989 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2990
2991         PR middle-end/51867
2992         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2993
2994 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2995
2996         PR driver/48524
2997         * gcc.c (switch_matches) Support switches with separated form,
2998         -D and -U.
2999
3000 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3001
3002         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3003         (SP_ADDR): Ditto.
3004         (RAMPZ_ADDR): Ditto.
3005         * config/avr/avr.c (avr_addr_t): New typedef.
3006         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3007         (avr_init_expanders): Initialize it.
3008         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3009         SREG_ADDR.
3010         (expand_epilogue): Ditto.
3011         (avr_print_operand): Ditto.
3012         (avr_file_start): Ditto.
3013         (avr_emit_movmemhi): Ditto.
3014
3015 2012-02-08  Richard Guenther  <rguenther@suse.de>
3016
3017         PR tree-optimization/46886
3018         * tree-flow.h (do_while_loop_p): Declare.
3019         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3020         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3021
3022 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3023
3024         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3025         always succeed for integers larger than a native word.
3026
3027 2012-02-08  Richard Guenther  <rguenther@suse.de>
3028
3029         PR rtl-optimization/52170
3030         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3031         properly handle integer vector modes.
3032
3033 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3034
3035         PR gcov-profile/52150
3036         * coverage.c: Include target.h.
3037         (build_var): Call targetm.strip_name_encoding on the assembler name.
3038         Change one _ into . or $ if the target allows it.
3039         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3040
3041         PR rtl-optimization/52139
3042         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3043         is a BARRIER after emit_insn_after_noloc, move BB_END
3044         to the last non-BARRIER insn before it.
3045
3046 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3047
3048         PR middle-end/24306
3049         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3050         (mips_gimplify_va_arg_expr): Call it instead of
3051         std_gimplify_va_arg_expr.
3052
3053 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3054
3055         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3056         message for -mno-pointers-to-nested-function.
3057
3058 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3059
3060         PR middle-end/51994
3061         * expr.c (get_inner_reference): If there is an offset, add a negative
3062         bit position to it (if any).
3063
3064 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3065
3066         PR rtl-optimization/52060
3067         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3068         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3069         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3070         and/or i0src_copy2 when needed.
3071
3072 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3073
3074         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3075         or LTOPLUGINSONAME if have_c.
3076
3077         * config/freebsd-spec.h: Add comment about what macros can be defined
3078         in this header.
3079         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3080         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3081         here instead.
3082
3083 2012-02-07  Richard Guenther  <rguenther@suse.de>
3084
3085         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3086         newline in -alias dumps.
3087
3088 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3089             Dave Korn  <dave.korn.cygwin@gmail.com>
3090
3091         PR target/40068
3092         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3093         Take care that typinfo gets dllexport-attribute.
3094
3095 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3096
3097         PR middle-end/52074
3098         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3099         if modifier < EXPAND_SUM call force_operand on the result.
3100
3101 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3102
3103         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3104         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3105         present.
3106         (epiphany_function_type): Replace types for specific interrupts with
3107         EPIPHANY_FUNCTION_INTERRUPT.
3108         (EPIPHANY_INTERRUPT_P): Update.
3109         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3110         New static function.
3111         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3112         <disinterrupt>: Affects type identity.
3113         (epiphany_handle_interrupt_attribute): Handle variable number of
3114         arguments.
3115         (epiphany_compute_function_type): Update for new
3116         epiphany_function_type definition.
3117         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3118         handlers with a longcall forwarder.
3119         (epiphany_start_function): Handle multiple interrupt arguments and/or
3120         forwarder_section attribute.
3121
3122         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3123         libgloss.
3124
3125 2012-02-07  Alan Modra  <amodra@gmail.com>
3126
3127         PR target/52107
3128         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3129         subregs of TFmode.
3130
3131 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3132
3133         PR tree-optimization/50969
3134         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3135         use vec_perm rather than vector_stmt.
3136         (vect_model_load_cost): Likewise.
3137         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3138         vec_perm to be the same as other vector statements.
3139         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3140         cost of vec_perm for TARGET_VSX.
3141
3142 2012-02-06  Richard Guenther  <rguenther@suse.de>
3143
3144         PR tree-optimization/52115
3145         * tree-sra.c (access_has_replacements_p): New function.
3146         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3147
3148 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3149
3150         PR middle-end/52047
3151         * trans-mem.c (expand_call_tm): Add an assertion.
3152         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3153         functions.
3154
3155 2012-02-06  Richard Guenther  <rguenther@suse.de>
3156
3157         PR tree-optimization/50955
3158         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3159         raise cost of expressions that replace an address with an
3160         expression based on a different pointer.
3161
3162 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3163
3164         PR target/52129
3165         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3166         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3167
3168 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3169
3170         PR c++/48680
3171         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3172         -Weffc++ and specify guidelines come from second edition.
3173
3174 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3175
3176         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3177         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3178         (call_direct_split, call_value_split, call_value_internal_direct)
3179         (call_value_direct_split, call_value_multiple_split): Use jal and
3180         jal_macro attributes.
3181
3182 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3183
3184         * reload1.c (reload_regs_reach_end_p): Replace with...
3185         (reload_reg_rtx_reaches_end_p): ...this function.
3186         (new_spill_reg_store): Update commentary.
3187         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3188         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3189         before setting new_spill_reg_store.
3190         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3191         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3192         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3193         for non-spill reload registers.
3194
3195 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3196
3197         PR tree-optimization/52091
3198         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3199         (vect_is_simple_use_1): Likewise.
3200         * tree-vect-loop.c (vectorizable_reduction): Update calls
3201         to vect_is_simple_use_1 and vect_is_simple_use.
3202         (vectorizable_live_operation): Likewise.
3203         * tree-vect-patterns.c (widened_name_p,
3204         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3205         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3206         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3207         vectorizable_shift,vectorizable_operation, vectorizable_store,
3208         vectorizable_load): Likewise.
3209         (vect_is_simple_cond): Add an argument, pass it to
3210         vect_is_simple_use_1.
3211         (vectorizable_condition): Update calls to vect_is_simple_cond,
3212         vect_is_simple_use.
3213         (vect_is_simple_use): Add an argument, the statement in which
3214         OPERAND is used.  Check that if OPERAND's def stmt is a double
3215         reduction phi node, the use is a phi node too.
3216         (vect_is_simple_use_1): Add an argument, pass it to
3217         vect_is_simple_use.
3218         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3219         to vect_is_simple_use.
3220
3221 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3222
3223         PR rtl-optimization/52095
3224         * modulo-sched.c (dump_insn_locator): New function.
3225         (loop_canon_p, sms_schedule): Use it.
3226
3227         PR rtl-optimization/52113
3228         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3229         even for decomposable shift/zext insns.
3230
3231 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3232             Zdenek Dvorak  <ook@ucw.cz>
3233
3234         PR rtl-optimization/52092
3235         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3236         on get_iv_value result.
3237
3238 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3239
3240         PR middle-end/47982
3241         PR middle-end/43967
3242         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3243
3244 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3245
3246         PR middle-end/48071
3247         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3248
3249 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3250
3251         PR rtl-optimization/49800
3252         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3253         (sched_finish): Call regstat_free_n_sets_and_refs.
3254
3255 2012-02-02  Jia Liu  <proljc@gmail.com>
3256
3257         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3258         than operand 2.
3259
3260 2012-02-02  Jan Hubicka  <jh@suse.cz>
3261             Tom de Vries  <tom@codesourcery.com>
3262
3263         PR middle-end/51998
3264         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3265         * varpool.c (varpool_analyze_pending_decls): Likewise.
3266
3267 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3268             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3269
3270         * config.gcc: Add cr16-* support.
3271
3272         * doc/extend.texi: Document cr16 extensions.
3273         * doc/install.texi: Document cr16 install.
3274         * doc/invoke.texi: Document cr16 options.
3275         * doc/md.texi: Document cr16 constraints.
3276
3277         * common/config/cr16/cr16-common.c: New file.
3278         * config/cr16/cr16.c: New file.
3279         * config/cr16/cr16.h: New file.
3280         * config/cr16/cr16.md: New file.
3281         * config/cr16/cr16.opt: New file.
3282         * config/cr16/cr16-protos.h: New file.
3283         * config/cr16/predicates.md: New file.
3284         * config/cr16/constraints.md: New file.
3285         * config/cr16/t-cr16: New file.
3286
3287 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3288
3289         PR target/52086
3290         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3291         that operands[2] is either immediate, or q_regs_operand.
3292
3293         PR tree-optimization/52073
3294         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3295         a pattern stmt for pattern uses, ignore uses outside of the loop.
3296
3297 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3298
3299         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3300         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3301         (OUT_AS1, OUT_AS2): Remove.
3302
3303 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3304
3305         PR rtl-optimization/51374
3306         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3307         to cross other volatile_refs_p insns.
3308
3309 2012-02-01  Richard Guenther  <rguenther@suse.de>
3310
3311         * doc/invoke.texi (fno-inline): Clarify documentation.
3312         (finline-small-functions): Likewise.
3313         (finline-functions): Likewise.
3314         * common.opt (finline): Adjust comment and documentation.
3315         (finline-small-functions): Clarify documentation.
3316         (finline-functions): Likewise.
3317         (finline-functions-called-once): Likewise.
3318
3319 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3320
3321         * c-typeck.c (composite_type): Keep mode for pointers.
3322
3323 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3324
3325         * function.h (regno_reg_rtx): Adjust comment.
3326         * reginfo.c (init_reg_modes_target): Only use the previous mode
3327         if it fits within one register.  Remove MIPS comment.
3328
3329 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3330
3331         PR bootstrap/52058
3332         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3333
3334 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3335
3336         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3337         to srak instruction.
3338
3339 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3340
3341         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3342
3343 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3344
3345         PR bootstrap/52041
3346         PR bootstrap/52039
3347         PR target/51974
3348         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3349
3350 2012-01-31  Richard Guenther  <rguenther@suse.de>
3351
3352         PR tree-optimization/51528
3353         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3354         assigns.
3355
3356 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3357
3358         PR bootstrap/52041
3359         PR bootstrap/52039
3360         PR target/51974
3361         * ree.c (add_removable_extension): Change def_map argument
3362         to unsigned *, store in def_map 1 + offset into *insn_list vector
3363         instead of pointers into the vector.
3364         (find_removable_extensions): Adjust caller.
3365
3366 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3367
3368         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3369         Transform all "* quoted-c-code" to { c-code }.
3370         Remove redundant test for "optimize" in combine patterns.
3371         Move (include "avr-dimode.md") to end of file.
3372
3373 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3374
3375         PR target/51835
3376         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3377         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3378
3379 2012-01-30  Richard Guenther  <rguenther@suse.de>
3380
3381         PR tree-optimization/52028
3382         * tree-loop-distribution.c (ldist_gen): Properly update
3383         virtual SSA form.
3384
3385 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3386
3387         PR debug/52027
3388         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3389         set_cur_line_info_table if not emitting debug info.
3390
3391         PR tree-optimization/52046
3392         * tree-vect-patterns.c (check_bool_pattern): Give up if
3393         a comparison could throw.
3394
3395         PR debug/52048
3396         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3397
3398 2012-01-30  Richard Guenther  <rguenther@suse.de>
3399
3400         PR tree-optimization/52045
3401         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3402         SSA form if cfgcleanup did anything.
3403
3404 2012-01-30  Richard Guenther  <rguenther@suse.de>
3405
3406         PR tree-optimization/52045
3407         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3408         before computing final todo.
3409
3410 2012-01-30  Richard Guenther  <rguenther@suse.de>
3411
3412         PR tree-optimization/51528
3413         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3414         for PR51528 fix.
3415
3416 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3417
3418         * df-problems.c (df_kill_notes): Check that the use refers
3419         to the note under examination.
3420
3421 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3422
3423         PR target/51920
3424         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3425         parameter and use short-lived pseudos.
3426         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3427         (sparc_expand_vector_init): Const-ify local variables and adjust
3428         calls to above functions.
3429
3430 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3431
3432         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3433
3434 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3435
3436         * doc/invoke.texi: Make usage of "compile time" and
3437         "run time"/"runtime" consistent throughout the file.
3438
3439 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3440
3441         * config/alpha/alpha.c (alpha_option_override): Default to
3442         full IEEE compliance mode for Go language.
3443
3444 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3445
3446         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3447         (LINK_SSP_SPEC): Define.
3448
3449 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3450
3451         PR target/51871
3452         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3453         stubs.
3454
3455 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3456
3457         * doc/invoke.texi: Correct hyphenation of "floating point",
3458         "double precision", and related terminology throughout the file.
3459
3460 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3461
3462         PR target/52006
3463         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3464         arm_general_register_operand predicate for operand 2 instead of
3465         register_operand.
3466
3467 2012-01-27  Ian Lance Taylor  <iant@google.com>
3468
3469         PR go/47656
3470         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3471         * builtins.c (expand_builtin_init_trampoline): Add onstack
3472         parameter.  Change caller.
3473         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3474         * tree.c (build_common_builtin_nodes): Declare
3475         __builtin_init_heap_trampoline.
3476
3477 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3478
3479         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3480         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3481         * config/avr/avr.c: Ditto.
3482         (avr_regnames): Remove because unused.
3483         * config/avr/avr.md (*cpse.ne): New peephole.
3484         (*cpse.eq): New peephole from former cpse peepholes.
3485
3486 2012-01-27  Michael Eager  <eager@eagercon.com>
3487
3488         * config/microblaze.c (microblaze_emit_compare): Correct
3489         test after pcmp instruction.
3490
3491 2012-01-27  Richard Guenther  <rguenther@suse.de>
3492
3493         PR tree-optimization/52020
3494         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3495
3496 2012-01-27  Richard Guenther  <rguenther@suse.de>
3497
3498         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3499         function non-const/pure.
3500
3501 2012-01-27  Richard Guenther  <rguenther@suse.de>
3502
3503         PR tree-optimization/50444
3504         * tree-sra.c (build_ref_for_offset): Properly adjust the
3505         MEM_REF type for unaligned accesses.
3506
3507 2012-01-27  Richard Guenther  <rguenther@suse.de>
3508
3509         PR tree-optimization/50444
3510         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3511         (expand_assignment): Use it.  Properly handle misaligned
3512         bases when expanding stores to component references.
3513         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3514         refactor that case.
3515
3516 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3517
3518         PR middle-end/51389
3519         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3520         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3521         * tree-data-ref.c (find_data_references_in_loop): Make static.
3522         (compute_all_dependences): Change return type to bool.  Bail out
3523         for too many datarefs in a loop.  Move the hunk resetting the data
3524         dependences vector from ...
3525         (compute_data_dependences_for_loop): ... here.  Account for
3526         compute_all_dependences returning false.
3527         (compute_data_dependences_for_bb): Likewise.
3528         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3529         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3530
3531 2012-01-27  Richard Guenther  <rguenther@suse.de>
3532
3533         PR middle-end/51959
3534         * expr.c (store_field): Use the alias-set of the scratch memory
3535         for storing to it.
3536