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