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