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1 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
2
3         Backport from mainline
4         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
5
6         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
7         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
8         split_cost argument signed.
9         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
10         (ix86_avoid_lea_for_addr): Ditto.
11
12         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
13
14         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
15         the address has less than two components.
16
17 2012-08-02  Steve Ellcey  <sellcey@mips.com>
18
19         Backport from mainline
20         2012-07-19  Steve Ellcey  <sellcey@mips.com>
21
22         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
23         MIPS16 mode.
24
25 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
26
27         Backport from mainline
28         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
29
30         PR target/53961
31         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
32         negative constant address for TARGET_X32 ...
33         (ix86_decompose_address): ... here.  Reject constant addresses
34         that don't satisfy x86_64_immediate_operand predicate.
35
36         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
37
38         PR target/53961
39         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
40         * config/i386/i386.c (ix86_print_operand_address): Ditto.
41         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
42         addresses.  Prevent zero extensions of CONST_INT operands.
43
44         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
45
46         PR target/53961
47         * config/i386/i386.md (*lea): New insn pattern.
48         (*lea_1): Remove.
49         (*lea<mode>_2): Ditto.
50         (*lea_{3,4,5,6}_zext): Ditto.
51         * config/i386/predicates.md (lea_address_operand): Do not reject
52         zero-extended address operands.
53         * config/i386/constraints.md (j): Remove address constraint.
54         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
55         of an address.
56         (ix86_print_operand_address): Handle SImode subreg of an address.
57         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
58
59 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
60
61         Backport from mainline
62         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
63
64         PR target/52530
65         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
66         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
67         to set code to 'q'.
68         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
69         (*movdi_internal_rex64): Use %E operand modifier for lea.
70         (*movsi_internal): Ditto.
71         (*lea_1): Ditto.
72         (*lea<mode>_2): Ditto.
73         (*lea_{3,4,5,6}_zext): Ditto.
74         (*tls_global_dynamic_32_gnu): Ditto.
75         (*tls_global_dynamic_64): Ditto.
76         (*tls_dynamic_gnu2_lea_32): Ditto.
77         (*tls_dynamic_gnu2_lea_64): Ditto.
78         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
79
80 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
81
82         Backport from mainline
83         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
84
85         * config/i386/i386.c (ix86_address_subreg_operand): Reject
86         stack pointer.
87         (ix86_print_operand_address): Assert that parts.base and parts.index
88         are non-NULL after call to simplify_subreg.
89
90 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
91
92         PR target/33135
93         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
94         description.
95         * config/sh/sh.c (sh_option_override): Do not change
96         flag_finite_math_only.  Set TARGET_IEEE to complement of
97         flag_finite_math_only.
98         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
99         description of mieee and mno-ieee behavior.
100
101 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
102
103         PR target/53877
104         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
105         (_lzcnt_u64): Ditto.
106
107 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
108
109         Backport from mainline
110         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
111
112         PR rtl-optimization/52250
113         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
114         to put note list into.  Unconditionally call move_bb_info.
115         (move_bb_info): Do not assert the blocks being in the same region,
116         just drop the note list if they are not.
117
118 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
119
120         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
121
122 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
123
124         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
125         defining statement is a SSA name that occurs in abnormal PHIs.
126
127 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
128
129         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
130         conversions.
131
132 2012-07-19  Richard Guenther  <rguenther@suse.de>
133             Eric Botcazou  <ebotcazou@adacore.com>
134
135         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
136         about transition from invariant to known bits.
137         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
138
139 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
140
141         PR middle-end/54017
142         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
143         (cleanup_tree_cfg_bb): Don't call it.
144         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
145         handling.
146
147 2012-07-19  Christian Bruel  <christian.bruel@st.com>
148
149         PR target/54029
150         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
151
152 2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>
153
154         * config.gcc (v850-*-rtems*): New target.
155         * config/v850/rtems.h: New.
156         * config/v850/t-rtems: New.
157
158 2012-07-18  Nick Clifton  <nickc@redhat.com>
159
160         * doc/invoke.texi (ARM Options): Document -munaligned-access.
161
162 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
163
164         PR target/53961
165
166         Backport from mainline
167         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
168
169         PR target/53110
170         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
171         instead expand it as zero extension.
172
173 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
174
175         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
176         QImode and HImode splitters.  Use ix86_comparison_operator.
177         Explicitly match FLAGS_REG.
178         (DFmode cmove splitter): Explicitly match FLAGS_REG.
179
180 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
181             Steven Bosscher  <steven@gcc.gnu.org>
182             Bernd Schmidt  <bernds@codesourcery.com>
183
184         PR rtl-optimization/53908
185         * df-problems.c (can_move_insns_across): When doing
186         memory-reference book-keeping, handle call insns.
187
188 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
189
190         Backport from mainline
191         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
192
193         PR target/53811
194         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
195         sibcall_insn_operand.  Move it to a temporary register if not.
196
197         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
198
199         PR target/53853
200         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
201         emit PIC sequence for fnaddr symbol reference in advance.
202
203 2012-07-09  Jason Merrill  <jason@redhat.com>
204
205         PR c++/53882
206         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
207         (type_hash_eq): Likewise.
208
209         PR c++/53826
210         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
211
212 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
213
214         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
215         due to negative shift amount.
216
217 2012-07-06  Kai Tietz  <ktietz@redhat.com>
218
219         Backport from mainline.
220         PR bootstrap/52947
221         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
222         as "/mingw/include".
223
224 2012-07-06  Nick Clifton  <nickc@redhat.com>
225
226         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
227         default_encode_section_info.
228
229 2012-07-06  Richard Guenther  <rguenther@suse.de>
230
231         Backport from mainline
232         2012-03-30  Richard Guenther  <rguenther@suse.de>
233
234         PR middle-end/52786
235         * double-int.c (rshift_double): Remove not needed cast.
236
237         2012-03-28  Richard Guenther  <rguenther@suse.de>
238
239         PR middle-end/50708
240         * double-int.h (rshift_double): Remove.
241         * double-int.c (lshift_double): Use absu_hwi to make count
242         positive.
243         (rshift_double): Make static, take unsigned count argument,
244         remove handling of negative count argument.
245         (double_int_rshift): Dispatch to lshift_double.
246
247 2012-07-06  Richard Guenther  <rguenther@suse.de>
248
249         Backport from mainline
250         2012-06-18  Richard Guenther  <rguenther@suse.de>
251
252         PR tree-optimization/53693
253         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
254         Reject operands with more than one use.
255
256 2012-07-06  Richard Guenther  <rguenther@suse.de>
257
258         Backport from mainline
259         2012-04-11  Richard Guenther  <rguenther@suse.de>
260
261         PR middle-end/52621
262         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
263         consider loop nesting.
264         (evolution_function_is_univariate_p): Properly check the remainder
265         for chrecs.
266
267 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
268
269         Backport from mainline
270         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
271
272         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
273         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
274         (adjacent_mem_locations): Move some code to and call...
275         (get_memref_parts): ...new function.
276         (mem_locations_overlap): New function.
277         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
278         (is_mem_ref): Rename to...
279         (find_mem_ref): ...this. Return MEM rtx.
280         (get_store_dest): Remove function.
281         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
282         new parameter and adjust calls.
283         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
284         mem refs overlap for true_store_to_load_dep_costly.
285         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
286         passed to adjacent_mem_locations.
287         (is_costly_group): Walk resolved dependency list.
288         (force_new_group): Emit group ending nop for Power6/Power7.
289         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
290         (group_ending_nop): New define_insn.
291
292 2012-07-04  Richard Guenther  <rguenther@suse.de>
293
294         PR middle-end/53433
295         * gimple-fold.c (get_base_constructor): Do not return an
296         error_mark_node DECL_INITIAL.
297
298 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
299
300         Backport from mainline
301         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
302
303         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
304         code model string in the error message.
305
306 2012-07-04  Tristan Gingold  <gingold@adacore.com>
307
308         Backport from mainline.
309         2012-06-25  Tristan Gingold  <gingold@adacore.com>
310
311         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
312         (seh_cfa_adjust_cfa): ... that function.
313         (seh_emit_stackalloc): Do not emit out of range values.
314         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
315         UNSPEC_DEF_CFA constants.
316         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
317         * config/i386/i386.c (ix86_frame_pointer_required): Required
318         for very large frames on SEH target.
319         (ix86_compute_frame_layout): Save area is before frame pointer
320         on SEH target.  Handle very large frames.
321         (ix86_expand_prologue): Likewise.
322
323 2012-07-04  Richard Guenther  <rguenther@suse.de>
324
325         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
326         as in free_lang_data_in_type.
327
328 2012-07-02  Martin Jambor  <mjambor@suse.cz>
329
330         Backport from mainline.
331         2012-07-02  Martin Jambor  <mjambor@suse.cz>
332
333         PR middle-end/38474
334         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
335         dynamic type change check.
336
337 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
338
339         * tree-eh.c (lower_try_finally_switch): Really put the location of the
340         last statement of the finally block onto the switch.
341
342 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
343
344         * configure: Regenerate.
345
346         Backport from mainline.
347         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
348
349         * config.gcc (target_type_format_char): New. Document it. Set it for
350         arm*-*-* .
351         * configure.ac (gnu_unique_option): Use target_type_format_char
352         in test.  Comment rationale.
353
354 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
355
356         Backport from mainline.
357         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
358
359         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
360
361 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
362
363         Backport from 2012-06-28 mainline r189049
364
365         PR 53595
366         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
367         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
368         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
369         avr_hard_regno_call_part_clobbered.
370
371 2012-06-28  Richard Guenther  <rguenther@suse.de>
372
373         PR middle-end/53790
374         * expr.c (expand_expr_real_1): Verify if the type is complete
375         before inspecting its size.
376
377 2012-06-27  Nick Clifton  <nickc@redhat.com>
378
379         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
380         input operand.
381
382 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
383
384         PR debug/53682
385         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
386
387 2012-06-26  Nick Clifton  <nickc@redhat.com>
388
389         * config/rx/rx.md (simple_return): Use the simple_return rtx.
390
391 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
392
393         PR target/53759
394         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
395         of x x x in the vmovlps load alternative.
396
397 2012-06-22  Richard Guenther  <rguenther@suse.de>
398
399         * gcov-iov.c: Include bconfig.h and system.h.
400
401 2012-06-22  Richard Guenther  <rguenther@suse.de>
402
403         PR gcov-profile/53744
404         * gcov-iov.c (main): Treat "" and "prerelease" the same.
405
406 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
407
408         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
409         DECL_IGNORED_P non-reg vars even if they are used.
410
411 2012-06-19  Jason Merrill  <jason@redhat.com>
412
413         PR c++/52637
414         * dwarf2out.c (modified_type_die): Use scope_die_for.
415         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
416         (uses_local_type_r, uses_local_type): New.
417         (scope_die_for): Keep a type that uses a local type in local scope.
418         Use get_context_die for namespace and type scope.
419
420 2012-06-19  Richard Guenther  <rguenther@suse.de>
421
422         PR middle-end/53470
423         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
424         replace it with the first non-BLOCK context.
425
426 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
427
428         PR rtl-optimization/53700
429
430         Backport from mainline
431         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
432
433         * ira-color.c (setup_left_conflict_sizes_p): Process all
434         conflicting objects.
435
436 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
437
438         Backport from mainline
439         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
440
441         PR target/52908
442         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
443         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
444         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
445         instead of xop_mulv2div2di3_low.
446         (xop_p<macs>dql): Fix vec_select selector.
447         (xop_p<macs>dqh): Ditto.
448         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
449         (xop_mulv2div2di3_high): Ditto.
450
451 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
452
453         Backport from mainline:
454         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
455
456         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
457
458 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
459
460         Backport from mainline:
461         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
462
463         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
464         * config/pa/pa.c (pa_attr_length_millicode_call): Use
465         MAX_PCREL17F_OFFSET instead of fixed offset.
466         (pa_attr_length_call): Likewise.
467         (pa_attr_length_indirect_call): Likewise.
468
469 2012-06-15  Walter Lee  <walt@tilera.com>
470
471         Backport from mainline:
472         2012-06-15  Walter Lee  <walt@tilera.com>
473
474         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
475
476         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
477
478         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
479
480 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
481
482         Backport from mainline:
483
484         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
485         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
486         * gimple.h (block_in_transaction): Check for flag_tm.
487
488 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
489
490         PR tree-optimization/52558
491
492         Backport from mainline:
493         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
494         * gimple.h (gimple_set_in_transaction): Remove.
495         (gimple_in_transaction): Look in BB instead.
496         (gimple_statement_base): Remove in_transaction field.
497         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
498         * trans-mem.c (compute_transaction_bits): Place transaction bit
499         information into basic blocks.
500
501         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
502
503         PR tree-optimization/52558
504         * cfg.c (alloc_aux_for_edge): Fix comment.
505         (alloc_aux_for_edge): Remove static.
506         * basic-block.h (alloc_aux_for_edge): Protoize.
507         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
508         (execute_sm_if_changed_flag): New.
509         (execute_sm_if_changed_flag_set): New.
510         (execute_sm): Do not generate data races unless requested.
511         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
512         (tree_ssa_lim_finalize): Call free_aux_for_edges.
513         * gimple.h (block_in_transaction): New.
514         (gimple_in_transaction): Use block_in_transaction.
515
516 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
517
518         Backported from mainline
519         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
520
521         PR rtl-optimization/53589
522         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
523         discovery even when e->dest != target.  If any LABEL_REF points
524         to e->dest label, redirect it to target's label.
525
526         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
527
528         PR middle-end/53580
529         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
530         returns false, replace stmt with GIMPLE_NOP.
531         (check_omp_nesting_restrictions): Instead of issuing warnings,
532         issue errors and return false if any errors were reported.
533
534 2012-06-14  Richard Guenther  <rguenther@suse.de>
535
536         * BASE-VER: Set to 4.7.2.
537         * DEV-PHASE: Set to prerelease.
538
539 2012-06-12  Christian Bruel  <christian.bruel@st.com>
540
541         PR target/53621
542         * config/sh/sh.c (sh_option_override): Don't force
543          flag_omit_frame_pointer and maccumulate_outgoing_args.
544         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
545
546 2012-06-14  Release Manager
547
548         * GCC 4.7.1 released.
549
550 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
551
552         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
553
554 2012-06-13  Richard Henderson  <rth@redhat.com>
555
556         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
557         iterator instead of INT.
558
559 2012-06-08  Richard Henderson  <rth@redhat.com>
560
561         PR c++/53602
562         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
563         note to a clobber insn when no other insn is available.
564
565 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
566
567         PR c++/53524
568         * doc/invoke.texi (Wenum-compare): Update documentation.
569
570 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
571
572         PR target/53559
573         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
574         operands.
575         (altivec_stvlxl): Ditto.
576         (altivec_stvrx): Ditto.
577         (altivec_stvrxl): Ditto.
578
579 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
580
581         PR middle-end/47530
582         * trans-mem.c (expand_block_edges): Do not skip the first
583         statement when resetting the BB.
584
585 2012-06-04  Richard Guenther  <rguenther@suse.de>
586
587         PR middle-end/53471
588         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
589         create new assembler names.
590
591 2012-06-04  Richard Guenther  <rguenther@suse.de>
592
593         Backport from mainline
594         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
595
596         PR middle-end/52979
597         * stor-layout.c (get_best_mode): Don't return mode with bitsize
598         larger than maxbits.  Don't compute maxbits modulo align.
599         Also check that unit bytes long store at bitpos / unit * unit
600         doesn't affect bits beyond bitregion_end.
601         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
602         would not fit into bitregion_start ... bitregion_end + 1 bit
603         region.
604         (store_split_bit_field): Decrease unit close to end of bitregion_end
605         if access is restricted in order to avoid mutual recursion.
606
607 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
608
609         Backport from 2012-06-04 mainline r188172
610
611         PR target/46261
612         * config/avr/avr-stdint.h: New file.
613         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
614         newlib-stdint.h
615
616 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
617
618         PR tree-optimization/53550
619         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
620         is POINTER_TYPE_P, use sizetype as step type instead of type.
621
622 2012-06-04  Richard Guenther  <rguenther@suse.de>
623             Eric Botcazou  <ebotcazou@adacore.com>
624
625         Backport from mainline
626         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
627
628         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
629         Change type of BITOFFSET to signed.  Make sure the lower bound of
630         the computed range is non-negative by adjusting OFFSET and BITPOS.
631         (expand_assignment): Adjust call to get_bit_range.
632
633         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
634
635         * expr.c (get_bit_range): Return the null range if the enclosing record
636         is part of a larger bit field.
637
638         2012-03-20  Richard Guenther  <rguenther@suse.de>
639
640         * stor-layout.c (finish_bitfield_representative): Fallback
641         to conservative maximum size if the padding up to the next
642         field cannot be computed as a constant.
643         (finish_bitfield_layout): If we cannot compute the distance
644         between the start of the bitfield representative and the
645         bitfield member start a new representative.
646         * expr.c (get_bit_range): The distance between the start of
647         the bitfield representative and the bitfield member is zero
648         if the field offsets are not constants.
649
650         2012-03-16  Richard Guenther  <rguenther@suse.de>
651
652         * stor-layout.c (finish_bitfield_representative): Fall back
653         to the conservative maximum size if we cannot compute the
654         size of the tail padding.
655
656         2012-03-14  Richard Guenther  <rguenther@suse.de>
657
658         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
659         * stor-layout.c (start_bitfield_representative): New function.
660         (finish_bitfield_representative): Likewise.
661         (finish_bitfield_layout): Likewise.
662         (finish_record_layout): Call finish_bitfield_layout.
663         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
664         for QUAL_UNION_TYPE fields.
665         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
666         Stream DECL_BIT_FIELD_REPRESENTATIVE.
667         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
668
669         PR middle-end/52080
670         PR middle-end/52097
671         PR middle-end/48124
672         * expr.c (get_bit_range): Unconditionally extract bitrange
673         from DECL_BIT_FIELD_REPRESENTATIVE.
674         (expand_assignment): Adjust call to get_bit_range.
675
676 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
677
678         PR middle-end/53501
679         * fold-const.c (fold_binary_loc): Refine previous change.
680
681 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
682
683         Backport from mainline
684         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
685
686         PR target/52667
687         * config/sh/sh.c (find_barrier): Add equality check of last_got to
688         avoid going above orig insn.  Update comments.
689
690 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
691
692         Backport from mainline
693         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
694
695         PR target/52642
696         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
697         prologue for unwinder and profiler.
698
699 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
700
701         Backport from mainline
702         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
703
704         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
705
706 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
707
708         Backport from mainline
709         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
710
711         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
712         DBX_REGISTER_NUMBER.
713
714 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
715
716         Backport from mainline
717         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
718
719         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
720         operand is CONST_INT.  Take COSTS_N_INSNS into account.
721         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
722         shiftcosts.     
723
724 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
725
726         * config/avr/avr.opt (-msp8): Document it.
727         * doc/invoke.texi (AVR Options): Copy from trunk docu.
728
729 2012-05-31  Richard Guenther  <rguenther@suse.de>
730
731         PR middle-end/48493
732         * expr.c (expand_assignment): Do not use movmisalign on
733         non-memory.
734
735 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
736
737         PR target/52999
738         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
739         (pa_section_type_flags): New.
740         (pa_legitimate_constant_p): Revert previous change.
741
742 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
743
744         Backport from mainline
745         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
746
747         PR middle-end/53008
748         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
749         accessed indirectly.
750         (ipa_tm_create_version): Same.
751
752 2012-05-30  Jason Merrill  <jason@redhat.com>
753
754         PR c++/53220
755         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
756         about array compound literals.
757
758 2012-05-30  Richard Guenther  <rguenther@suse.de>
759
760         PR middle-end/53501
761         * fold-const.c (fold_binary_loc): Make sure to call
762         fold_plusminus_mult_expr with the original sign of operands.
763
764 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
765
766         * explow.c (probe_stack_range): Restore simple control flow and stop
767         again when the probe cannot be generated if HAVE_check_stack.
768
769 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
770
771         PR rtl-optimization/53519
772         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
773         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
774
775 2012-05-29  Richard Guenther  <rguenther@suse.de>
776
777         PR tree-optimization/53516
778         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
779         bitfield accesses.
780         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
781
782 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
783
784         Backport from mainline
785         2012-05-28  Richard Guenther  <rguenther@suse.de>
786
787         PR tree-optimization/53438
788         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
789
790 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
791
792         Backport from mainline
793         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
794
795         PR rtl-optimization/52528
796         * combine.c (can_combine_p): Add setting of subst_low_luid
797         before call to expand_field_assignment().
798
799 2012-05-26  Martin Jambor  <mjambor@suse.cz>
800
801         Backport from mainline
802         2012-05-23  Martin Jambor  <mjambor@suse.cz>
803
804         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
805
806 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
807
808         PR lto/52178
809         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
810         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
811
812 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
813
814         PR target/53435
815         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
816         (ix86_expand_vec_perm): Use int mode instead of float.
817
818 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
819
820         PR ada/52362
821         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
822         gnu_ld variables to yes.
823         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
824         (HAVE_GNU_AS): Likewise.
825         * config.in: Regenerate.
826         * configure: Likewise.
827
828 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
829
830         Backport from mainline
831         2012-03-12  Richard Guenther  <rguenther@suse.de>
832         * config/arm/arm.c (neon_dereference_pointer): Do not call
833         covert during RTL expansion.
834
835 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
836
837         Backport from mainline
838         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
839
840         PR target/53385
841         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
842         relied on signed overflow behavior.
843
844 2012-05-24  Richard Guenther  <rguenther@suse.de>
845
846         PR middle-end/53460
847         * tree-profile.c (tree_profiling): Cleanup the CFG if
848         execute_fixup_cfg requests it.
849
850 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
851
852         PR tree-optimization/53465
853         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
854         vr0 into *vr, then vrp_meet that.
855         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
856         have any equivalences.
857         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
858         first time.
859
860 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
861
862         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
863         size handling.
864         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
865         (iterative_hash_gimple_type): Adjust comment.
866         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
867         domain for an array type instead of the domain type itself.
868
869 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
870
871         Backport from 2012-05-23 mainline r187803
872
873         PR target/53448
874         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
875         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
876         ASM_OUTPUT_ALIGN.
877
878 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
879
880         Backport from 2012-05-03 mainline r187075
881
882         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
883         has_fma4 for AMD processors with both fma3 and fma4 support.
884
885 2012-05-22  Richard Guenther  <rguenther@suse.de>
886
887         PR tree-optimization/53408
888         * tree-vect-loop.c (vectorizable_induction): Properly check
889         the restriction that we cannot handle induction results from
890         the inner loop outside of the outer loop.
891
892 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
893
894         PR tree-optimization/53436
895         * omp-low.c (omp_build_component_ref): New function.
896         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
897
898         PR tree-optimization/53366
899         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
900         tests if complex_numbers == 2, but there are non-complex number loads
901         too.
902
903         PR tree-optimization/53409
904         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
905         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
906
907         PR tree-optimization/53410
908         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
909         instead of build_int_cst (type, 0) where vector types might be
910         involved.
911
912 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
913
914         PR c/53418
915         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
916         from folded operands before wrapping another around the
917         conditional expression.
918
919 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
920             Patrick Marlier  <patrick.marlier@gmail.com>
921
922         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
923         indirect calls.
924
925 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
926
927         Backport from mainline
928         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
929
930         PR target/53416
931         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
932         (UNSPECV_RDRAND): This.
933         (rdrand<mode>_1): Updated.
934
935 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
936
937         Backport from mainline
938         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
939
940         * config/i386/driver-i386.c (host_detect_local_cpu): Support
941         RDRND, F16C and FSGSBASE.
942
943 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
944
945         Backport from mainline
946         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
947
948         * tree-ssa-pre.c (can_value_number_call): Delete.
949         (compute_avail): Skip all statements with side effects.
950         <GIMPLE_CALL>: Skip calls to internal functions.
951
952 2012-05-18  David S. Miller  <davem@davemloft.net>
953
954         Backport r185385 from mainline
955         2012-03-14  Richard Guenther  <rguenther@suse.de>
956
957         PR middle-end/52584
958         * tree-vect-generic.c (type_for_widest_vector_mode): Take
959         element type instead of mode, use build_vector_type_for_mode
960         instead of the langhook, build a vector of proper signedness.
961         (expand_vector_operations_1): Adjust.
962
963 2012-05-18  Olivier Hainque  <hainque@adacore.com>
964
965         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
966         $(libsubdir) as libexecsubdir.
967
968 2012-05-16  Andrew Pinski  <apinski@cavium.com>
969
970         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
971         GIMPLE_ASSIGN.
972
973 2012-05-16  David S. Miller  <davem@davemloft.net>
974
975         * jump.c (delete_related_insns): If we remove a CALL, make sure
976         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
977
978 2012-05-16  Richard Henderson  <rth@redhat.com>
979
980         PR debug/52727
981         * combine-stack-adj.c (prev_active_insn_bb): New.
982         (next_active_insn_bb): New.
983         (force_move_args_size_note): New.
984         (combine_stack_adjustments_for_block): Use it.
985
986 2012-05-16  Olivier Hainque  <hainque@adacore.com>
987
988         * Makefile.in (install-no-fixedincludes): New target, former toplevel
989         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
990         Add comments and improve stamp preservation across the whole sequence.
991         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
992
993 2012-05-16  Richard Guenther  <rguenther@suse.de>
994
995         PR tree-optimization/53364
996         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
997         detect a view-conversion of the decl.
998
999 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1000
1001         PR target/53358
1002         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1003         that operands[2] is either immediate, or q_regs_operand.
1004
1005 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1006
1007         Backport r187139 from mainline.
1008         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1009
1010         PR rtl-optimization/52804
1011         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1012         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1013         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1014         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1015         RELOAD_FOR_OUTADDR_ADDRESS.
1016
1017 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1018
1019         PR target/46098
1020         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1021         generate target register for "load" class builtins.
1022
1023         Revert:
1024         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1025
1026         PR target/46098
1027         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1028         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1029         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1030         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1031         (<sse>_movu<ssemodesuffix>): New expander.
1032         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1033         (avx_movdqu<avxmodesuffix>): New expander.
1034         (*sse2_movdqu): Rename from sse2_movdqu.
1035         (sse2_movdqu): New expander.
1036
1037 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1038
1039         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1040         lineno 1 the same as lineno 0 before first start file directive.
1041         (optimize_macinfo_range): Likewise.
1042
1043         * dwarf2out.c (have_macinfo): Define.
1044         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1045         attribute, don't force empty compilation unit and don't emit any
1046         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1047
1048 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1049
1050         Backport from mainline
1051         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1052
1053         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1054         ORDERED and UNORDERED conditions.
1055
1056 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1057
1058         * function.c (requires_stack_frame_p): If the function can throw
1059         non-call exceptions, return true if the insn can throw internally.
1060
1061 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1062
1063         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1064         DECL_ORIGINAL_TYPE if it is present.
1065
1066 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1067
1068         Backport from 2012-05-12 mainline r187342.
1069
1070         PR target/53256
1071         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1072         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1073         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1074         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1075         (expand_prologue): Move initialization of cfun->machine->is_naked,
1076         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1077         (avr_set_current_function): ...this new static function.
1078         (TARGET_SET_CURRENT_FUNCTION): New define.
1079         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1080         checking attributes of current_function_decl.
1081         (avr_regs_to_save): Ditto.
1082         (signal_function_p): Rename to avr_signal_function_p.
1083         (interrupt_function_p): Rename to avr_interrupt_function_p.
1084
1085         * doc/extend.texi (Function Attributes): Better explanation of
1086         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1087         alphabetical order.
1088
1089 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1090
1091         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1092
1093 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1094
1095         PR target/53272
1096         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1097         when a constant source operand matches an "I" constraint, the "no
1098         CC0 change" applies to a register-destination only, not a
1099         strict_low_part-destination.
1100
1101 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1102
1103         Backport from mainline:
1104         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1105
1106         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1107
1108 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1109
1110         PR tree-optimization/53239
1111         * tree-vrp.c (get_value_range): Set VR of
1112         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1113         to nonnull.
1114
1115 2012-05-07  Richard Guenther  <rguenther@suse.de>
1116
1117         PR tree-optimization/53195
1118         * tree-inline.c (setup_one_parameter): Properly add referenced
1119         vars from the parameters new known value.
1120
1121 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1122
1123         Backport from mainline:
1124         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1125
1126         PR target/52999
1127         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1128         in constant pool.
1129
1130 2012-05-04  Ian Lance Taylor  <iant@google.com>
1131
1132         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1133         values from false to NULL.
1134
1135 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1136
1137         Backport from mainline
1138         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1139
1140         PR target/53228
1141         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1142         (TARGET_CMOV): Rename from TARGET_CMOVE.
1143         (TARGET_CMOVE): New define.
1144         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1145         Do not set TARGET_CMOVE here.
1146
1147 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1148
1149         Backport from mainline:
1150
1151         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1152
1153         PR tree-optimization/52633
1154         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1155         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1156         (vect_recog_over_widening_pattern): Remove handling of code that was
1157         already detected as over-widening pattern.  Remove special handling
1158         of "unsigned" cases.  Instead, support general case of conversion
1159         of the shift result to another type.
1160
1161         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1162
1163         * tree-vect-patterns.c (vect_single_imm_use): New function.
1164         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1165         (vect_recog_over_widening_pattern): Likewise.
1166         (vect_recog_widen_shift_pattern): Likewise.
1167
1168         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1169
1170         PR tree-optimization/52870
1171         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1172         presumed pattern statement is within the same loop or basic block.
1173
1174 2012-05-04  Richard Guenther  <rguenther@suse.de>
1175
1176         * common.opt (flto-report): Do not mark as Optimization.
1177
1178 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1179
1180         PR target/48496
1181         * recog.c (constrain_operands): If extra constraints are present, also
1182         accept pseudo-registers with equivalent memory locations during reload.
1183
1184 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1185
1186         Backport from the mainline
1187         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1188
1189         PR target/53199
1190         * config/rs6000/rs6000.md (bswapdi splitters): If
1191         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1192         default) is used, generate an alternate sequence that does not
1193         depend on using indexed addressing.
1194
1195 2012-05-03  David S. Miller  <davem@davemloft.net>
1196
1197         PR target/52684
1198         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1199         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1200         (sparc_emit_float_lib_cmp): Likewise.
1201
1202 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1203
1204         Backport from mainline
1205         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1206
1207         PR lto/52605
1208         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1209         of a variable when the contect is a function.
1210
1211 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1212
1213         PR plugins/53126
1214         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1215         append program name to it and pass that as first argument
1216         to make_relative_prefix.  Always pass standard_libexec_prefix
1217         as last argument to make_relative_prefix.  If
1218         make_relative_prefix returns NULL, fall back to
1219         standard_libexec_prefix.
1220
1221         PR debug/53174
1222         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1223         removed.
1224
1225         PR target/53187
1226         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1227         mode, return that mode.
1228
1229 2012-05-03  Richard Guenther  <rguenther@suse.de>
1230
1231         PR tree-optimization/53144
1232         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1233         Rename to ...
1234         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1235         with SSA name values.
1236         (vn_reference_lookup_3): Adjust callers.
1237
1238 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1239
1240         PR tree-optimization/53163
1241         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1242         return value from compute_all_dependences.
1243
1244         PR rtl-optimization/53160
1245         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1246         has been modified by ree pass already.
1247
1248 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1249
1250         Backport from mainline
1251         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1252
1253         PR middle-end/53136
1254         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1255         calls to cgraph_node_name in xstrdup.
1256         (ipa_make_edge_direct_to_target): Ditto.
1257         * tree-sra.c (convert_callers_for_node): Ditto.
1258         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1259         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1260         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1261         (cgraph_materialize_all_clones): Ditto.
1262         * ipa-inline.c (report_inline_failed_reason): Ditto.
1263         (want_early_inline_function_p): Ditto.
1264         (edge_badness): Ditto.
1265         (update_edge_key): Ditto.
1266         (flatten_function): Ditto.
1267         (ipa_inline): Ditto.
1268         (inline_always_inline_functions): Ditto.
1269         (early_inline_small_functions): Ditto.
1270
1271 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1272
1273         Backport from mainline
1274         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1275
1276         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1277         Introduce emul_name to select the right linker emulation for
1278         powerpc64-*-freebsd*.
1279         * configure: Regenerate.
1280         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1281         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1282         * config/rs6000/freebsd64.h: New file.
1283         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1284         POWERPC_FREEBSD.
1285         (rs6000_savres_strategy): Likewise.
1286         (rs6000_savres_routine_name): Likewise.
1287         (rs6000_elf_file_end): Likewise.
1288         * config/rs6000/t-freebsd64: New file.
1289         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1290         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1291
1292 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1293
1294         Backport from mainline
1295         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1296
1297         PR target/53138
1298         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1299
1300 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1301
1302         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1303         predicate to discriminate types.
1304
1305 2012-04-27  Richard Guenther  <rguenther@suse.de>
1306
1307         PR c/51527
1308         * convert.c (convert_to_integer): Avoid infinite recursion for
1309         target-defined built-in types.
1310
1311 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1312
1313         PR target/53120
1314         * config/cris/cris.md ("*andhi_lowpart_v32")
1315         ("*andqi_lowpart_v32"): Change first input-only operand from
1316         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1317         const_int-matching constraints for redundancy.
1318         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1319         three-operand alternative.
1320
1321 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1322
1323         Backport from mainline
1324         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1325
1326         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1327         (*addsi_2_zext): Ditto.
1328         (*add<mode>_3): Ditto.
1329         (*addsi_3_zext): Ditto.
1330         (*add<mode>_5): Ditto.
1331
1332 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1333
1334         PR c/52880
1335         * c-typeck.c (set_nonincremental_init,
1336         set_nonincremental_init_from_string): Pass true instead of false
1337         as IMPLICIT to add_pending_init.
1338
1339 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1340
1341         Backport from 2012-04-24 mainline r186768.
1342
1343         PR target/53065
1344         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1345
1346 2012-04-24  Richard Guenther  <rguenther@suse.de>
1347
1348         PR tree-optimization/53085
1349         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1350         stores.
1351
1352 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1353
1354         PR middle-end/53084
1355         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1356         of MEM_REF.
1357         (output_addressed_constants): Likewise.
1358
1359         PR middle-end/52999
1360         * varasm.c (get_section): Don't ICE for section conflicts with
1361         built-in section kinds.
1362
1363 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1364
1365         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1366
1367 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1368
1369         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1370
1371 2012-04-23  Richard Guenther  <rguenther@suse.de>
1372
1373         PR c/53060
1374         * c-typeck.c (build_binary_op): Fix typo.
1375
1376 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1377
1378         PR tree-optimizations/52891
1379         * tree-vect-patterns.c (adjust_bool_pattern): Use
1380         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1381         but with non-standard precision.
1382
1383 2012-04-22  Ian Lance Taylor  <iant@google.com>
1384
1385         * godump.c (go_output_typedef): Dump size of structs.
1386
1387 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1388
1389         Backport from mainline:
1390
1391         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1392         hints for 'A' operand types.
1393
1394 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1395
1396         Backport from 2012-04-19 mainline r186588.
1397
1398         PR target/53033
1399         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1400         the case *(X+const).
1401
1402 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1403
1404         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1405
1406 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1407
1408         PR target/53020
1409         * config/i386/sync.md (atomic_<code><mode>): Rename to
1410         atomic_<logic><mode>.
1411
1412 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1413
1414         Backport from mainline
1415         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1416
1417         PR target/52932
1418         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1419         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1420         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1421         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1422         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1423         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1424         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1425         gen_avx2_permvarv8sf.
1426
1427 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1428
1429         Backported from mainline
1430
1431         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1432         PR middle-end/52939
1433
1434         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1435         fold_ctor_reference returns a zero constant.
1436
1437 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1438
1439         Backported from mainline
1440         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1441
1442         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1443         and __ILP32__ for x32.
1444
1445 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1446
1447         Backport from mainline r186418.
1448
1449         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1450
1451         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1452         parameters vuse and vuse_escaped.
1453         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1454         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1455         vuse1 != vuse2.
1456
1457 2012-04-13  Richard Guenther  <rguenther@suse.de>
1458
1459         PR tree-optimization/52969
1460         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1461         the condition for the COND_EXPR and handle predicate negation
1462         by swapping the COND_EXPR arms.
1463
1464 2012-04-13  Richard Guenther  <rguenther@suse.de>
1465
1466         PR c/52862
1467         * convert.c (convert_to_pointer): Remove special-casing of
1468         zero.
1469
1470 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1471
1472         Backport from mainline
1473         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1474
1475         PR target/52775
1476         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1477         the list of options to enable the FCFID instruction.
1478         (TARGET_EXTRA_BUILTINS): Adjust comment.
1479
1480 2012-04-12  Richard Guenther  <rguenther@suse.de>
1481
1482         PR tree-optimization/52943
1483         * tree-chrec.h (chrec_is_positive): Remove.
1484         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1485         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1486         Return false for a constant zero instead of negative.
1487         (analyze_siv_subscript_cst_affine): Handle zero difference
1488         in the initial condition explicitely.
1489
1490 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1491
1492         PR middle-end/52894
1493         * varasm.c (process_pending_assemble_externals): Set
1494         pending_assemble_externals_processed true.
1495         (assemble_external): Call assemble_external_real if the pending
1496         assemble externals have been processed.
1497
1498 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1499
1500         PR target/52717
1501         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1502         the DECL generated for the special GOT helper.
1503
1504 2012-04-06  Walter Lee  <walt@tilera.com>
1505
1506         Backport from mainline
1507         2012-03-07  Walter Lee  <walt@tilera.com>
1508
1509         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1510         REG_CFA_* notes for the stack pointer.
1511         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1512         EH_RETURN_STACKADJ_RTX.
1513         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1514         generate REG_CFA_* notes for the stack pointer.
1515         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1516         by EH_RETURN_STACKADJ_RTX.
1517
1518 2012-04-06  Matt Turner  <mattst88@gmail.com>
1519
1520         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1521
1522 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1523
1524         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1525         of the destination isn't also a FP_REGS register.
1526
1527 2012-04-03  Richard Guenther  <rguenther@suse.de>
1528
1529         Backport from mainline
1530         2012-03-02  Richard Guenther  <rguenther@suse.de>
1531
1532         PR tree-optimization/52406
1533         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1534         (struct indices): Add unconstrained_base member.
1535         (struct dr_alias): Remove unused vops member.
1536         (DR_UNCONSTRAINED_BASE): New define.
1537         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1538         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1539         be an artificial access that covers the whole indexed object,
1540         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1541         plain decl base-objects to their MEM_REF variant.
1542         (dr_may_alias_p): When the base-object of either data reference
1543         has unknown size use only points-to information.
1544         (compute_affine_dependence): Make dumps easier to read and
1545         more verbose.
1546         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1547         DR_REF when looking for packed references.
1548         (vect_supportable_dr_alignment): Likewise.
1549
1550 2012-04-03  Richard Guenther  <rguenther@suse.de>
1551
1552         Backport from mainline
1553         2012-03-15  Richard Guenther  <rguenther@suse.de>
1554
1555         PR middle-end/52580
1556         * tree-data-ref.c (subscript_dependence_tester_1): Check
1557         all dimensions for non-conflicting access functions.
1558
1559 2012-04-03  Richard Guenther  <rguenther@suse.de>
1560
1561         Backport from mainline
1562         2012-03-06  Richard Guenther  <rguenther@suse.de>
1563
1564         PR middle-end/52493
1565         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1566
1567         2012-03-23  Richard Guenther  <rguenther@suse.de>
1568
1569         PR tree-optimization/52678
1570         * tree-vectorizer.h (struct _stmt_vec_info): Add
1571         loop_phi_evolution_part member.
1572         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1573         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1574         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1575         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1576         Use the cached evolution part and the PHI nodes value from
1577         the loop preheader edge instead of re-analyzing the evolution.
1578
1579         2012-03-26  Richard Guenther  <rguenther@suse.de>
1580
1581         PR tree-optimization/52701
1582         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1583         compute and set the evolution part of PHI nodes.
1584
1585         2012-03-30  Richard Guenther  <rguenther@suse.de>
1586
1587         PR tree-optimization/52754
1588         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1589         propagate arbitrary addresses into really plain dereferences.
1590
1591 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1592
1593         PR tree-optimization/52835
1594         * tree-data-ref.c (build_rdg): Return NULL if
1595         compute_data_dependences_for_loop failed.
1596
1597 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1598
1599         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1600         (stmt_can_make_abnormal_goto): Use it.
1601         (is_ctrl_altering_stmt): Likewise.
1602
1603 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1604
1605         Backported from mainline
1606         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1607
1608         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1609         is a builtin_stack_save in a dominating BB.
1610
1611 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1612
1613         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1614         crossing 128bit lane boundary.
1615
1616 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1617
1618         Backported from mainline
1619         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1620
1621         PR target/52698
1622         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1623         New prototype.
1624         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1625         * config/i386/i386.c: Include reload.h.
1626         (ix86_legitimize_reload_address): New function.
1627
1628 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1629
1630         Backported from mainline
1631         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1632
1633         PR middle-end/52693
1634         * tree-sra.c (sra_modify_assign): Do not call
1635         load_assign_lhs_subreplacements when working with an unscalarizable
1636         region.
1637
1638 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1639
1640         PR middle-end/52691
1641         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1642         __builtin_va_start to __builtin_next_arg if the latter is
1643         builtin_decl_explicit_p rather than when it is not.
1644
1645         PR middle-end/52750
1646         * tree-vect-generic.c (vector_element): Perform multiplication
1647         for pos in bitsizetype type instead of idx type.
1648
1649 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1650
1651         Backport from 2012-03-28 mainline r185910.
1652
1653         PR target/52692
1654         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1655         (avr_builtin_decl): New static function.
1656         (struct avr_builtin_description, avr_bdesc): Move up.
1657         Add GTY marker. Add field fndecl. Remove redundant field id.
1658         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1659         (avr_expand_builtin): Code cleanup because .id is removed.
1660
1661 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1662
1663         PR middle-end/51893
1664         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1665         targets.
1666
1667 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1668
1669         Backport from 2012-03-28 mainline r185907.
1670
1671         PR target/52737
1672         * config.gcc (tm_file): Remove avr/multilib.h.
1673
1674         * doc/invoke.texi (AVR Options): Adjust
1675         documentation of -mtiny-stack.
1676
1677         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1678         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1679         * config/avr/t-avr: Remove generation of multilib.h.
1680         * config/avr/t-multilib: Regenerate.
1681         * config/avr/multilib.h: Remove.
1682         * config/avr/avr.opt (-msp8): New option.
1683         (avr_sp8): New variable.
1684         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1685         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1686         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1687         (avr_device_to_sp8): New prototype.
1688         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1689         (DRIVER_SELF_SPECS): New define.
1690         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1691         __AVR_SP8__, __AVR_HAVE_SPH__.
1692         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1693         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1694         (avr_file_start): Ditto.
1695
1696 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1697
1698         PR target/52736
1699         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1700         instead of 8 in adjust_address.
1701
1702 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1703
1704         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1705         of a unit before computing the offset in units.
1706
1707 2012-03-27  Richard Guenther  <rguenther@suse.de>
1708
1709         PR middle-end/52720
1710         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1711         explicitely.
1712
1713 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1714
1715         PR target/52610
1716         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1717
1718 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1719
1720         PR middle-end/52640
1721         * varasm.c: Include pointer-set.h.
1722         (pending_assemble_externals_set): New pointer set.
1723         (process_pending_assemble_externals): Destroy the pointer set.
1724         (assemble_external): See if decl is in pending_assemble_externals_set,
1725         and add it to pending_assemble_externals if necessary.
1726         (init_varasm_once): Allocate pending_assemble_externals_set.
1727
1728 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1729
1730         Backported from mainline
1731         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1732
1733         PR target/50310
1734         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1735         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1736         (vector_ltgt<mode>): Likewise.
1737         (vector_ordered<mode>): Likewise.
1738         (vector_unordered<mode>): Likewise.
1739         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1740
1741 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1742
1743         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1744         Make static.
1745
1746 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1747
1748         Backported from mainline
1749         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1750
1751         PR target/48596
1752         PR target/48806
1753         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1754         GENERAL_REGS and FP_REGS for SImode.
1755
1756 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1757
1758         PR middle-end/52547
1759         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1760         on any new_local_var_chain vars declared during recursing on
1761         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1762
1763 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1764
1765         Backport from 2012-03-22 mainline r185692.
1766
1767         PR target/52496
1768         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1769         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1770         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1771         (delay_cycles_1, delay_cycles_2): Ditto.
1772         (delay_cycles_3, delay_cycles_4): Ditto.
1773         (nopv, *nopv): Ditto.
1774         (sleep, *sleep): Ditto.
1775         (wdr, *wdr): Ditto.
1776
1777         Backport from 2012-03-21 mainline r185605.
1778
1779         PR rtl-optimization/52543
1780         PR target/52461
1781         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1782         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1783         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1784         (avr_load_libgcc_p): Restrict to __flash loads.
1785         (avr_out_lpm): Only handle 1-byte loads from __flash.
1786         (avr_load_lpm): New function.
1787         (avr_find_unused_d_reg): Remove.
1788         (avr_out_lpm_no_lpmx): Remove.
1789         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1790         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1791         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1792         (load_<mode>, load_<mode>_clobber): New insns.
1793         (mov<mode>): For multi-byte move from non-generic
1794         16-bit address spaces: Expand to load_<mode> resp.
1795         load_<mode>_clobber.
1796         (load<mode>_libgcc): Remove expander.
1797         (split-lpmx): Remove split.
1798
1799         Backport from 2012-03-13 mainline r185329.
1800
1801         PR target/52488
1802         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1803         offset (size) to a value the insns can deal with.
1804         (expand_epilogue): Ditto.
1805
1806         Backport from 2012-03-12 mainline r185256.
1807
1808         PR target/52499
1809         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1810         type from reg_class_t to enum reg_class.
1811         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1812
1813         Backport from 2012-03-12 mainline r185253.
1814
1815         PR target/52148
1816         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1817         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1818         r184615 from 2012-02-28.
1819
1820         Backport from 2012-03-08 mainline r185105.
1821
1822         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1823         for constants in [-63,63].
1824
1825         Backport from 2012-03-08 mainline r185100.
1826
1827         PR target/52496
1828         * config/avr/avr.c (avr_mem_clobber): New static function.
1829         (avr_expand_delay_cycles): Add memory clobber operand to
1830         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1831         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1832         (enable_interrupt, disable_interrupt): New expander.
1833         (nopv, sleep, wdr): New expanders.
1834         (delay_cycles_1): Add memory clobber.
1835         (delay_cycles_2): Add memory clobber.
1836         (delay_cycles_3): Add memory clobber.
1837         (delay_cycles_4): Add memory clobber.
1838         (cli_sei): New insn from former "enable_interrupt",
1839         "disable_interrupt" with memory clobber.
1840         (*wdt): New insn from former "wdt" with memory clobber.
1841         (*nopv): Similar, but for "nopv".
1842         (*sleep): Similar, but for "sleep".
1843
1844         Backport from 2012-03-07 mainline r185043.
1845
1846         PR target/52484
1847         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1848
1849         Backport from 2012-03-07 mainline r185032.
1850
1851         PR target/52506
1852         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1853         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1854         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1855
1856         Backport from 2012-03-07 mainline r185031.
1857
1858         PR target/52505
1859         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1860         from RAM.
1861         * config/avr/avr.md (xload_8): Adjust insn length.
1862
1863         Backport from 2012-03-07 mainline r185030.
1864
1865         PR target/52461
1866         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1867         if RAMPZ affects reading from RAM.
1868
1869         Backport from 2012-03-05 mainline r184919.
1870
1871         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1872
1873 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1874
1875         Backport from mainline r185259.
1876
1877         PR other/52545
1878         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1879         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1880
1881 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1882
1883         Backported from mainline
1884         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1885
1886         PR c/52577
1887         * c-parser.c (c_parser_postfix_expression)
1888         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1889
1890         * config/i386/smmintrin.h: Avoid /* within a comment.
1891         * config/i386/nmmintrin.h: Likewise.
1892
1893 2012-03-22  Richard Guenther  <rguenther@suse.de>
1894
1895         * BASE-VER: Set to 4.7.1.
1896         * DEV-PHASE: Set to prerelease.
1897
1898 2012-03-22  Release Manager
1899
1900         * GCC 4.7.0 released.
1901
1902 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1903
1904         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1905
1906 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1907             Andrew Pinski  <apinski@cavium.com>
1908
1909         PR middle-end/52592
1910         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1911         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1912         calls instead of __builtin_ir{int,ound}*.
1913
1914 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1915
1916         PR c++/52582
1917         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1918         if c_node is NULL.
1919
1920 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1921
1922         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1923         Refer to GCC 4.7 version of c99status.html.
1924
1925 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1926
1927         Backport from mainline
1928         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1929
1930         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1931         redefine to be NULL if the current bit-size is different from the
1932         configured bit-size.
1933
1934         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1935         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1936         set the default tuning.  Add asserts to make sure the cpu and tune
1937         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1938         test whether the index is set, instead of > 0.
1939         (rs6000_file_start): Do not reset the default cpu if the current
1940         bit-size is different from the configured bit-size.
1941
1942 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1943
1944         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1945         binutils reference.
1946         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1947         Update binutils references.
1948         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1949         Update binutils reference.
1950         Update Sun as/GNU ld caveat.
1951         Document binutils largefile requirement for LTO plugin.
1952         Remove reference to alternate libpthread.
1953
1954 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1955
1956         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1957         reference.
1958         (Specific, mips-sgi-irix6): Likewise.
1959
1960 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1961
1962         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1963         * configure: Regenerate.
1964
1965 2012-03-07  Richard Henderson  <rth@redhat.com>
1966
1967         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1968         * config/m68k/sync.md (atomic_test_and_set): Use it.
1969         (atomic_test_and_set_1): Likewise.
1970
1971 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
1972
1973         PR target/51417
1974         * Makefile.in: Let install-gcc-ar depend on installdirs,
1975         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1976         Don't double canonicalize if cross-compiling.
1977
1978 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1979
1980         * trans-mem.c: New typedef for tm_region_p.
1981         Define vector types for tm_region_p.
1982         (tm_region_init): Replace region_worklist to a vector called
1983         bb_regions.
1984
1985 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1986
1987         PR middle-end/52463
1988         * trans-mem.c (tm_region_init): Use last_basic_block.
1989
1990 2012-03-05  Richard Henderson  <rth@redhat.com>
1991
1992         PR tree-opt/52242
1993         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1994         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1995         BIGGEST_ALIGNMENT is aligned.
1996
1997 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1998
1999         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2000
2001 2012-03-05  Richard Henderson  <rth@redhat.com>
2002
2003         PR target/52481
2004         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2005         instead of calling negqi2 directly.
2006
2007 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2008
2009         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2010         (INTMAX_TYPE): Use it.
2011         (UINTMAX_TYPE): Likewise.
2012         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2013         (irix6_c_common_override_options): Declare.
2014         (C_COMMON_OVERRIDE_OPTIONS): Define.
2015         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2016         * config/mips/irix6-c.c: New file.
2017         * config/mips/t-irix6 (irix6-c.o): New target.
2018         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2019         cxx_target_objs.
2020
2021 2012-03-02  Richard Henderson  <rth@redhat.com>
2022
2023         * optabs.c (expand_atomic_test_and_set): Honor
2024         atomic_test_and_set_trueval even when atomic_test_and_set
2025         optab is not in use.
2026
2027 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2028
2029         Backport from mainline
2030         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2031
2032         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2033
2034 2012-03-02  Richard Guenther  <rguenther@suse.de>
2035
2036         * DEV-PHASE: Set to prerelease.
2037
2038 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2039
2040         * config.gcc (obsolete): Add all ARM targets using the FPA.
2041         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2042         * doc/install.texi: Avoid references to obsolete ARM ports.
2043
2044 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2045
2046         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2047
2048 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2049             Joern Rennecke  <joern.rennecke@embecosm.com>
2050
2051         * doc/extend.texi: Expand and update information on interrupt
2052         attribute for Epiphany.
2053
2054 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2055
2056         * config/sh/sh-protos.h: Update copyright notice dates.
2057         * config/sh/sh.h: Likewise.
2058         * config/sh/sh.md: Likewise.
2059         * config/sh/constraints.md: Likewise.
2060         * config/sh/predicates.md: Likewise.
2061
2062 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2063
2064         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2065         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2066
2067 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2068
2069         * config/sh/constraints.md: Fix comment typo.
2070
2071 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2072
2073         PR target/52408
2074         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2075         unsigned HOST_WIDE_INT.
2076         (zvdep_imm64): Likewise.
2077         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2078         (vdepi_and): Likewise.
2079         Likewise for unamed 64-bit patterns.
2080         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2081
2082 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2083
2084         PR debug/52001
2085         PR rtl-optimization/52417
2086         * cselib.c (cselib_any_perm_equivs): New variable.
2087         (cselib_reset_table): Check that it's not set when not
2088         preserving constants.
2089         (cselib_add_permanent_equiv): Set it.
2090         (cselib_have_permanent_equivalences): New.
2091         (cselib_init, cselib_finish): Reset it.
2092         * cselib.h (cselib_have_permanent_equivalences): Declare.
2093         * alias.c (get_addr): Restore earlier behavior when there
2094         aren't permanent equivalences.
2095
2096 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2097
2098         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2099         * config/v850/v850-modes.def: Fix copyright notice.
2100
2101 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2102
2103         * doc/extend.texi (AVR Built-in Functions): Document
2104         __builtin_avr_flash_segment.
2105
2106         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2107         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2108         (*split.flash_segment): New insn-and-split.
2109         * config/avr/avr.c (avr_init_builtins): Add local variables:
2110         const_memx_void_node, const_memx_ptr_type_node,
2111         char_ftype_const_memx_ptr.
2112
2113 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2114
2115         PR tree-optimization/52445
2116         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2117         add ssa_name_ver, offset and size fields and change store field
2118         to bool.
2119         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2120         (add_or_mark_expr): Likewise.  Only consider previous stores
2121         with the same size and offset.
2122         (nt_init_block): Only look at gimple_assign_single_p stmts,
2123         doesn't look at rhs2.
2124
2125 2012-03-01  Richard Guenther  <rguenther@suse.de>
2126
2127         PR middle-end/52443
2128         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2129         conversions from integral types to pointer types.
2130
2131 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2132
2133         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2134         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2135         unintentionally removed in r184616.
2136
2137 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2138
2139         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2140         3DNow from bdver1.
2141
2142 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2143             Uros Bizjak  <ubizjak@gmail.com>
2144
2145         PR target/52437
2146         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2147         alternatives, add "e" constraint to the new last alternative
2148         and ! to last 3 alternatives.
2149
2150 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2151
2152         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2153         DW_AT_artificial attributes at the end of the processing.
2154         (gen_array_type_die): Likewise.
2155         (gen_enumeration_type_die): Likewise.
2156         (gen_struct_or_union_type_die): Likewise.
2157         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2158         the parent type.
2159
2160 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2161
2162         PR middle-end/52419
2163         * expr.c (expand_assignment): If doing misaligned store that doesn't
2164         cover all mode bits, perform a RMW cycle.
2165
2166         PR tree-optimization/52429
2167         * tree-parloops.c (separate_decls_in_region_debug): Return early
2168         if var is LABEL_DECL.
2169
2170 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2171
2172         PR tree-optimization/52424
2173         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2174         calling dom_thread_across_edge.
2175
2176 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2177
2178         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2179
2180 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2181
2182         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2183         * config/avr/avr.c (avr_output_bld): Remove unused function.
2184         (avr_out_sbxx_branch): Use "%T" to print bit position.
2185
2186 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2187
2188         * config/avr/avr.md: Untabify.
2189
2190 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2191
2192         * config/avr/avr.md (eqne): New code iterator.
2193         (*dec-and-branchsi): Use it in text peephole's condition.
2194         (*dec-and-branchhi): Ditto.
2195         (*dec-and-branchqi): Ditto.
2196
2197 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2198
2199         PR target/49939
2200         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2201         the device does not have the skip-bug.
2202
2203 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2204
2205         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2206         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2207         -mpretend-cmove): New.
2208
2209 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2210
2211         PR bootstrap/52397
2212         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2213         doesn't count DEBUG_INSN refs.
2214         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2215         for DEBUG_INSN refs.
2216
2217 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2218
2219         Partially revert:
2220
2221         2012-02-20  Richard Guenther  <rguenther@suse.de>
2222         PR tree-optimization/52298
2223         * tree-vect-stmts.c (vectorizable_load): Properly use
2224         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2225         outer loops.
2226
2227 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2228
2229         PR middle-end/51752
2230         * gimple.h (gimple_in_transaction): New.
2231         (gimple_set_in_transaction): New.
2232         (struct gimple_statement_base): Add in_transaction field.
2233         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2234         transaction loads.
2235         (tree_ssa_lim_initialize): Compute transaction bits.
2236         * tree.h (compute_transaction_bits): Protoize.
2237         * trans-mem.c (tm_region_init): Use the heap to store BB
2238         auxilliary data.
2239         (compute_transaction_bits): New.
2240
2241 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2242
2243         * gcc.c (display_help): Document --help=common and sort entries
2244         alphabetically.
2245
2246 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2247
2248         * doc/install.texi: Document check-$LANG specific shortcuts
2249
2250 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2251
2252         PR target/51534
2253         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2254         and vcgtu.
2255         * config/arm/arm_neon.h: Regenerate.
2256         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2257         (neon_vcgeu): New insn.
2258         (neon_vcgtu): Likewise.
2259         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2260         (ops): Unsigned comparison intrinsics call a different
2261         builtin.
2262
2263 2012-02-28  Richard Guenther  <rguenther@suse.de>
2264
2265         PR target/52407
2266         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2267         ordering for the VEC_CONCAT for two element vectors for
2268         V2SFmode, V2SImode and V2DImode.
2269
2270 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2271
2272         PR target/49448
2273         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2274         detecting big-endian triplets.
2275
2276 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2277
2278         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2279         mode if there is no type information available.
2280
2281 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2282
2283         PR tree-optimization/53207
2284         * doc/invoke.texi: Document as experimental and relying on graphite.
2285
2286 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2287
2288         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2289         of initializer to changes from r184614.
2290
2291 2012-02-28  Richard Guenther  <rguenther@suse.de>
2292
2293         PR tree-optimization/52395
2294         * tree-sra.c (build_ref_for_offset): Also look at the base
2295         TYPE_ALIGN when figuring out the alignment of the replacement.
2296
2297 2012-02-28  Richard Guenther  <rguenther@suse.de>
2298
2299         PR tree-optimization/52402
2300         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2301         mis-aligned types when creating the accesses at the call site.
2302
2303 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2304
2305         * config/avr/builtins.def: New file.
2306         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2307         * config/avr/avr.c (enum avr_builtin_id): Use it.
2308         (avr_init_builtins): Use it. And use avr_bdesc.
2309         (bdesc_1arg): Remove.
2310         (bdesc_2arg): Remove.
2311         (bdesc_3arg): Remove.
2312         (struct avr_builtin_description): Add field n_args.
2313         (avr_bdesc): New static variable using builtins.def.
2314         (avr_expand_builtin): Use it.
2315         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2316         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2317         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2318
2319 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2320
2321         PR target/52148
2322         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2323         match only one single hard register with respective hard reg rtx.
2324         (movmemx_<mode>): Ditto.
2325         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2326         insn anatomy of movmem[x]_<mode>.
2327         (avr_out_movmem): Same for printing assembler and operand usage.
2328
2329 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2330
2331         PR target/49868
2332         PR target/52261
2333         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2334         address spaces located outside of device flash.
2335
2336         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2337         (mcu_type_s): Add field n_flash.
2338         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2339         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2340         (AVR_MCU): Add N_FLASH argument.
2341         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2342         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2343         macro __FLASH<n> if that address space makes sense for the device.
2344         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2345         outside of target flash.
2346         (avr_asm_named_section): Ditto.
2347         (avr_asm_select_section): Ditto.
2348         (avr_addr_space_convert): Ditto.
2349         (avr_emit_movmemhi): Ditto.
2350         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2351         address space is outside of device flash.
2352         (avr_insert_attributes): Ditto.
2353         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2354         avr_current_arch->n_segments.
2355
2356 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2357
2358         PR target/52352
2359         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2360         TARGET_LP64.
2361         (*movabs<mode>_2): Likewise.
2362
2363 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2364
2365         PR target/52375
2366         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2367         s_register_operand in the test instead of REG_P.  Don't call
2368         gen_reg_rtx if it won't be used.
2369
2370         PR tree-optimization/52376
2371         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2372
2373 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2374
2375         * ifcvt.c (noce_get_condition): Check condition variable is not
2376         small_register_classes_for_mode_p before accepting.
2377
2378 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2379
2380         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2381
2382 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2383
2384         Revert:
2385         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2386         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2387         tuning parameters.
2388         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2389
2390 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2391
2392         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2393
2394 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2395
2396         * config/sh/predicates.md: Remove blank lines.
2397         * config/sh/sh.c: Fix typos in comments.
2398         * config/sh/constraints.md: Likewise.
2399         * config/sh/sh.md: Remove blank lines.
2400         Fix typos in comments.  Use ;; as comment characters.
2401
2402 2012-02-26  Walter Lee  <walt@tilera.com>
2403
2404         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2405         (replace_mov_pcrel_step2): Ditto.
2406
2407 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2408
2409         PR debug/52001
2410         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2411         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2412         and locs that reference values newer than the non-canonical value
2413         at hand.  Return the canonical value as a worst case.
2414         (memrefs_conflict_p): Walk canonical value's locs.
2415
2416         PR debug/52001
2417         * cselib.c (preserve_only_constants): Rename to...
2418         (preserve_constants_and_equivs): ... this.  Split out...
2419         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2420         of other preserved expressions too.
2421         (cselib_reset_table): Adjust.
2422         * var-tracking.c (reverse_op): Use canonical value to build
2423         reverse operation.
2424
2425 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2426
2427         * config/i386/i386.c (ix86_delegitimize_address): Handle
2428         UNSPEC_PCREL plus displacement.
2429
2430 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2431
2432         PR target/52261
2433         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2434         to test for unusedness in st X addressing.
2435
2436 2012-02-24  Richard Guenther  <rguenther@suse.de>
2437
2438         PR middle-end/52361
2439         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2440         (is_gimple_reg_type): Move inline ...
2441         * gimple.h (is_gimple_reg_type): ... here.
2442
2443 2012-02-24  Richard Guenther  <rguenther@suse.de>
2444
2445         PR middle-end/52361
2446         * passes.c (execute_function_todo): When verifying SSA form
2447         verify gimple form first.
2448         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2449
2450 2012-02-24  Richard Guenther  <rguenther@suse.de>
2451
2452         PR middle-end/52355
2453         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2454         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2455
2456 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2457
2458         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2459
2460 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2461
2462         * tree-phinodes.c (make_phi_node): Mark static.
2463         * tree-flow.h (make_phi_node): Remove extern decl.
2464         * doc/gimple.texi (make_phi_node): Remove documentation.
2465
2466 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2467
2468         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2469         * tree-ssa-sccvn.c (print_scc): Ditto.
2470
2471 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2472
2473         * doc/passes.texi (Full redundancy elimination): Fix typo.
2474
2475 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2476
2477         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2478
2479 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2480
2481         PR bootstrap/52287
2482         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2483
2484 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2485
2486         PR c/52290
2487         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2488
2489 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2490
2491         * config/avr/avr.md (code_stdname): Add ior, xor.
2492         (xior): New code iterator.
2493         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2494         (*<code_stdname><mode>qi.byte1-3): Ditto.
2495
2496 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2497
2498         PR tree-optimization/52019
2499         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2500         CLOBBER stmts.
2501
2502 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2503
2504         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2505         HAVE_INITFINI_ARRAY to work around namespace pollution in
2506         certain versions of newlib system headers.
2507         * config.in: Regenerate.
2508         * configure: Regenerate.
2509         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2510         instead of HAVE_INITFINI_ARRAY.
2511
2512 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2513
2514         PR target/52330
2515         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2516         is not offsettable memory reference.
2517
2518 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2519
2520         PR target/18145
2521         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2522         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2523
2524 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2525
2526         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2527         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2528
2529 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2530
2531         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2532         library on Solaris 8 even without TLS support.
2533         * configure: Regenerate.
2534
2535 2012-02-22  Richard Guenther  <rguenther@suse.de>
2536
2537         PR middle-end/52329
2538         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2539         for GIMPLE_DEBUG stmts.
2540
2541 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2542
2543         PR middle-end/51782
2544         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2545         according to the base object.
2546
2547 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2548
2549         PR rtl-optimization/50063
2550         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2551         and 2 (8-bit SP) in operand 2.
2552         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2553         setup to use movhi_sp_r instead of vanilla move to write SP.
2554         Adjust REG_CFA notes to superseed unspec.
2555         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2556         of vanilla move.
2557         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2558         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2559         irq_state 1 (IRQ known to be on) here.
2560
2561 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2562
2563         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2564         WORDS_BIG_ENDIAN.
2565         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2566         assign_hard_reg): Likewise.
2567
2568 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2569
2570         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2571
2572 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2573
2574         * config/avr/avr.md
2575         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2576         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2577
2578 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2579
2580         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2581         prototype from here to...
2582         * config/avr/avr.h: ...here.
2583
2584 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2585
2586         PR target/52294
2587         * thumb2.md (thumb2_shiftsi3_short): Split register and
2588         immediate shifts.  For register shifts tie operands 0 and 1.
2589         (peephole2 for above): Check that register-controlled shifts
2590         have suitably tied operands.
2591
2592 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2593
2594         PR target/52137
2595         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2596         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2597         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2598         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2599         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2600         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2601         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2602         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2603         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2604         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2605         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2606         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2607         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2608         bdver1_ssevector_avx256_unaligned_load,
2609         bdver1_ssevector_sse128_unaligned_load,
2610         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2611         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2612         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2613         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2614         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2615         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2616         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2617         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2618         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2619         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2620         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2621         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2622         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2623         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2624         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2625         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2626         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2627         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2628         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2629         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2630         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2631         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2632         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2633         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2634         bdver1_ssediv_double_load, bdver1_ssediv_double,
2635         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2636         Add "bdver2" attribute.
2637
2638 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2639
2640         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2641         default if possible and not specified otherwise.
2642
2643 2012-02-21  Richard Guenther  <rguenther@suse.de>
2644
2645         PR middle-end/52314
2646         * gimplify.c (create_tmp_from_val): Use the main variant type
2647         for the type of the temporary we create.
2648
2649 2012-02-21  Richard Guenther  <rguenther@suse.de>
2650
2651         PR tree-optimization/52324
2652         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2653         do not gimplify a MEM_REF address operand if it is already
2654         in suitable form.
2655
2656 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2657
2658         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2659         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2660
2661 2012-02-21  Richard Guenther  <rguenther@suse.de>
2662
2663         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2664         nested_in_vect_loop.
2665
2666 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2667
2668         PR tree-optimization/52318
2669         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2670         vdef also to non-pure/const call stmts in the sequence.
2671
2672 2012-02-20  David S. Miller  <davem@davemloft.net>
2673
2674         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2675         don't use the "rd %pc" instruction on v9 for PIC register loads.
2676
2677 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2678
2679         PR middle-end/52141
2680         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2681         in a transaction safe function.
2682
2683 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2684
2685         PR target/52238
2686         * stor-layout.c (place_field): Handle desired_align for
2687         ms-bitfields, too.
2688
2689 2012-02-20  Richard Guenther  <rguenther@suse.de>
2690
2691         PR tree-optimization/52298
2692         * tree-vect-stmts.c (vectorizable_store): Properly use
2693         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2694         outer loops.
2695         (vectorizable_load): Likewise.
2696         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2697         Access DR_STEP after ensuring it is not NULL.
2698
2699 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2700
2701         PR tree-optimization/52286
2702         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2703         optimization use double_int_to_tree instead of build_int_cst_wide,
2704         rewrite to use double_int vars.
2705
2706 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2707
2708         PR target/50166
2709         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2710         Define _start.
2711         Remove -e 0 from $gcc_cv_ld invocation.
2712         Only use __GLIBC_PREREQ if defined.
2713         Enable on Solaris since Solaris 8 patch.
2714         (gcc_SUN_LD_VERSION): New macro.
2715         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2716         gcc_SUN_LD_VERSION for version number format.
2717         * configure: Regenerate.
2718         * varasm.c (get_elf_initfini_array_priority_section): Set
2719         SECTION_NOTYPE for non-default priority.
2720         Use get_section instead of get_unnamed_section to emit
2721         .init_array/.fini_array with default priority.
2722
2723 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2724
2725         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2726         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2727         (mips_start_unique_function, mips_output_mips16_rdhwr)
2728         (mips_code_end): New functions.
2729         (TARGET_ASM_CODE_END): Define.
2730
2731 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2732
2733         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2734         to stubs with non-sibling calls.
2735
2736 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2737
2738         * doc/invoke.texi (-fira-* options): Copy-edit.
2739         (ira-* parameters): Copy-edit.
2740
2741 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2742
2743         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2744         GCC coding conventions.
2745
2746 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2747
2748         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2749         when used as adjectives.
2750
2751 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2752
2753         * doc/invoke.texi: Clean up "that"/"which" confusion.
2754
2755 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2756
2757         * system.h: Poison SMALL_REGISTER_CLASSES
2758         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2759         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2760
2761 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2762
2763         PR tree-optimization/52285
2764         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2765         when deciding if a call is a tail call or tail recursion.
2766
2767 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2768
2769         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2770         interger-constant displacement for UNSPEC_PCREL.
2771
2772 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2773
2774         PR rtl-optimization/52208
2775         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2776         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2777
2778         PR tree-optimization/52255
2779         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2780         loop->header has virtual PHI, but exit_e->dest doesn't, add
2781         virtual PHI to exit_e->dest and adjust all uses after the loop.
2782
2783         PR debug/52260
2784         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2785         children with clone_tree_hash, not after it.
2786
2787 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2788
2789         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2790         extended identifiers.
2791
2792 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2793
2794         PR middle-end/51929
2795         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2796         a same_body_alias, also test whether e->callee isn't a former
2797         or current clone of the decl this is a same body alias of.
2798
2799         PR translation/52264
2800         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2801
2802 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2803
2804         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2805
2806 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2807
2808         PR target/52199
2809         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2810         force_reg instead of copy_to_reg for better optimization.  Force
2811         non-register or memory operands into a register.
2812
2813 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2814
2815         * extend.texi: Reserve upper bits of memory model for future use.
2816
2817 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2818             Anatoly Sokolov <aesok@post.ru>
2819             Eric Weddington <eric.weddington@atmel.com>
2820
2821         PR target/52261
2822         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2823         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2824         Rewrite initializers for .macro.
2825         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2826         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2827         atxmega32d4, atxmega32x1.
2828         avrxmega4: atxmega64a3, atxmega64d3.
2829         avrxmega5: atxmega64a1, atxmega64a1u.
2830         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2831         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2832         avrxmega7: atxmega128a1, atxmega128a1u.
2833         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2834         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2835         (struct base_arch_s): Rename reserved to xmega_p.
2836         Rename reserved2 to have_rampd.
2837         (AVR_XMEGA): New define.
2838         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2839         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2840         * config/avr/predicates.md (io_address_operand): Take into
2841         account SFR offset.
2842         (low_io_address_operand): Ditto.
2843         (high_io_address_operand): Ditto.
2844         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2845         (enabled, movhi_sp_r): Use them.
2846         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2847         cpp_define_formatted to built-in define __AVR_ARCH__.
2848         (__AVR_XMEGA__): New built-in define.
2849         (__AVR_HAVE_RAMPD__): New built-in define.
2850         (__AVR_HAVE_RAMPX__): New built-in define.
2851         (__AVR_HAVE_RAMPY__): New built-in define.
2852         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2853
2854         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2855         (avr_option_override): Initialize them.
2856         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2857         (avr_init_expanders): Initialize them. No more block several calls.
2858         (emit_push_sfr): New static function.
2859         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2860         Handle AVR_XMEGA.
2861         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2862         (avr_print_operand): Print addreeses as symbols for
2863         RAMPX, RAMPY, RAMPD, CCP.
2864         (output_movhi): Handle AVR_XMEGA when writing to SP.
2865         (avr_out_movhi_mr_r_xmega): New static function.
2866         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2867         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2868         __RAMPD__,  __CCP__ as needed.
2869
2870         * config/avr/multilib.h: Regenerate.
2871         * config/avr/t-multilib: Regenerate.
2872         * config/avr/avr-tables.opt: Regenerate.
2873
2874 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2875
2876         PR tree-optimization/50561
2877         * graphite-flattening.c (lst_project_loop): Do not
2878         remove old scattering dimensions after flattening.
2879         (lst_do_flatten): Likewise.
2880
2881 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2882
2883         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2884         __builtin_avr_map8, __builtin_avr_map16.
2885         Document __builtin_avr_insert_bits.
2886
2887         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2888         (insert_bits): New insn.
2889         (adjust_len.map_bits): Rename to insert_bits.
2890         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2891         * avr-protos.h (avr_out_map_bits): Remove.
2892         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2893         * config/avr/constraints.md (Cxf,C0f): New.
2894         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2895         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2896         New built-in define __BUILTIN_AVR_INSERT_BITS.
2897         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2898         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2899         (avr_move_bits): Rewrite.
2900         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2901         functions.
2902         (avr_map_op_t): New typedef.
2903         (avr_map_op): New static variable.
2904         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2905         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2906         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2907         (bdesc_3arg, avr_expand_triop_builtin): New.
2908         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2909         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2910         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2911         (avr_map_equal_p, avr_map_sig_p): Remove.
2912         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2913         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2914         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2915         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2916         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2917         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2918
2919 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2920
2921         * config/c6x/c6x.md (reserve_cycles): New attribute.
2922         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2923         don't reserve functional units after the branch occurs.
2924
2925 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2926
2927         PR middle-end/52142
2928         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2929         functions into non-tm_pure functions.
2930
2931 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2932
2933         PR lto/52178
2934         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2935         (iterative_hash_canonical_type): Likewise.
2936         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2937         the dead edges.
2938
2939 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2940
2941         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2942         sched-group insn, it either remains alone or the entire list is pruned.
2943
2944 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2945
2946         * doc/install.texi (Prerequisites): Fix grammar.
2947         (Configuration): Likewise.
2948
2949 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2950
2951         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2952         MPC as part of GCC before describing configuring with --with-gmp etc.
2953         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2954         sources are present.
2955
2956 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2957
2958         PR debug/51950
2959         * dwarf2out.c (clone_tree_hash): New function.
2960         (copy_decls_walk): Use it instead of clone_tree.
2961
2962 2012-02-14  Richard Guenther  <rguenther@suse.de>
2963
2964         PR tree-optimization/52244
2965         PR tree-optimization/51528
2966         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2967         replacements for integral types.
2968
2969 2012-02-14  Walter Lee  <walt@tilera.com>
2970
2971         * config.gcc: Handle tilegx and tilepro.
2972         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2973         tilegx and tilepro.
2974         Add HAVE_AS_TLS check for tilegx and tilepro.
2975         * configure: Regenerate.
2976         * doc/contrib.texi: Add Mat Hostetter and self.
2977         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2978         Document instruction intrinsics and network accessing intrinsics.
2979         (TILEPro Built-in Functions): New node.  Document instruction
2980         intrinsics and network accessing intrinsics.
2981         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2982         (Specific, tilepro-*-linux*): Likewise.
2983         * doc/invoke.texi (TILE-Gx Options): New section.
2984         (TILEPro Options): New section.
2985         * doc/md.texi (TILE-Gx): New section.
2986         (TILEPro): New section.
2987         * common/config/tilegx/tilegx-common.c: New file.
2988         * common/config/tilepro/tilepro-common.c: New file.
2989         * config/tilegx/constraints.md: New file.
2990         * config/tilegx/linux.h: New file.
2991         * config/tilegx/mul-tables.c: New file.
2992         * config/tilegx/predicates.md: New file.
2993         * config/tilegx/sync.md: New file.
2994         * config/tilegx/t-tilegx: New file.
2995         * config/tilegx/tilegx-builtins.h: New file.
2996         * config/tilegx/tilegx-c.c: New file.
2997         * config/tilegx/tilegx-generic.md: New file.
2998         * config/tilegx/tilegx-modes.def: New file.
2999         * config/tilegx/tilegx-multiply.h: New file.
3000         * config/tilegx/tilegx-protos.h: New file.
3001         * config/tilegx/tilegx.c: New file.
3002         * config/tilegx/tilegx.h: New file.
3003         * config/tilegx/tilegx.md: New file.
3004         * config/tilegx/tilegx.opt: New file.
3005         * config/tilepro/constraints.md: New file.
3006         * config/tilepro/gen-mul-tables.cc: New file.
3007         * config/tilepro/linux.h: New file.
3008         * config/tilepro/mul-tables.c: New file.
3009         * config/tilepro/predicates.md: New file.
3010         * config/tilepro/t-tilepro: New file.
3011         * config/tilepro/tilepro-builtins.h: New file.
3012         * config/tilepro/tilepro-c.c: New file.
3013         * config/tilepro/tilepro-generic.md: New file.
3014         * config/tilepro/tilepro-modes.def: New file.
3015         * config/tilepro/tilepro-multiply.h: New file.
3016         * config/tilepro/tilepro-protos.h: New file.
3017         * config/tilepro/tilepro.c: New file.
3018         * config/tilepro/tilepro.h: New file.
3019         * config/tilepro/tilepro.md: New file.
3020         * config/tilepro/tilepro.opt: New file.
3021
3022 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3023
3024         PR tree-optimization/52210
3025         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3026         vect_model_simple_cost with two entry vect_def_type array instead
3027         of an address of dt.
3028
3029 2012-02-14  Richard Guenther  <rguenther@suse.de>
3030
3031         PR lto/52178
3032         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3033         Do not stream DECL_QUALIFIER.
3034         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3035         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3036         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3037
3038 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3039
3040         PR c/52181
3041         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3042         newdecl.
3043
3044 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3045
3046         PR bootstrap/52172
3047         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3048         * cselib.c (cselib_subst_to_values_from_insn): New function.
3049         * sched-deps.c (add_insn_mem_dependence,
3050         sched_analyze_1, sched_analyze_2): Use it.
3051
3052 2012-02-13  Jan Hubicka  <jh@suse.cz>
3053
3054         PR middle-end/52214
3055         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3056
3057 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3058
3059         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3060         (GTM_SELF_SPECS): Define if not already defined.
3061         (driver_self_specs): Add GTM_SELF_SPECS.
3062         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3063         (GTM_SELF_SPECS): Define.
3064         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3065         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3066
3067 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3068
3069         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3070         away if seen.
3071
3072         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3073
3074         PR middle-end/52230
3075         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3076         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3077
3078 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3079
3080         PR c/52190
3081         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3082
3083 2012-02-13  Richard Guenther  <rguenther@suse.de>
3084
3085         PR translation/52211
3086         * passes.c (enable_disable_pass): Fix typo.
3087
3088 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3089
3090         PR middle-end/52209
3091         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3092         XOR for reduce_bit_field if type is unsigned.
3093
3094 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3095
3096         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3097         disallow changes from SFmode to mode with different size in FP regs.
3098
3099 2012-02-12  Robert Millan  <rmh@gnu.org>
3100             Gerald Pfeifer <gerald@pfeifer.com>
3101
3102         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3103         Tweak comment.
3104
3105 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3106
3107         PR rtl-optimization/52175
3108         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3109         to frame-related instructions.
3110
3111 2012-02-10  Jason Merrill  <jason@redhat.com>
3112
3113         PR c++/51910
3114         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3115         (demangle_new_symbols): Fill it.
3116         (scan_linker_output): Walk it.
3117         (start_tweaking): Split out from scan_linker_output.
3118         (maybe_tweak): Update sym->chosen.
3119         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3120
3121 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3122
3123         PR debug/52132
3124         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3125
3126 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3127
3128         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3129         having the same mode as previous compare.
3130
3131 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3132
3133         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3134         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3135         (nonlocal_goto_internal): Likewise.
3136         (nonlocal_goto): Emit a use and an indirect jump directly.
3137
3138 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3139
3140         PR c/52190
3141         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3142         __atomic_{is,always}_lock_free.
3143
3144 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3145
3146         PR target/52146
3147         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3148         negative constant address for x32.
3149
3150 2012-02-10  Richard Henderson  <rth@redhat.com>
3151
3152         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3153         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3154         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3155
3156 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3157             Ira Rosen  <irar@il.ibm.com>
3158
3159         PR tree-optimization/50031
3160         * targhooks.c (default_builtin_vectorization_cost): Handle
3161         vec_promote_demote.
3162         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3163         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3164         all types of reduction and pattern statements.
3165         (vect_estimate_min_profitable_iters): Likewise.
3166         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3167         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3168         for explicit realigns.
3169         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3170         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3171         vec_promote_demote.
3172         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3173         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3174         vec_perm for VSX and handle vec_promote_demote.
3175
3176 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3177
3178         PR middle-end/52177
3179         * builtins.c (fold_builtin_atomic_always_lock_free,
3180         expand_builtin_atomic_always_lock_free,
3181         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3182         Return and/or test boolean_true_node/boolean_false_node instead of
3183         integer_one_node/integer_zero_node.
3184
3185 2012-02-10  Jan Hubicka  <jh@suse.cz>
3186
3187         PR middle-end/48600
3188         * predict.c (predict_paths_for_bb): Prevent looping.
3189         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3190
3191 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3192
3193         * config/arm/arm.c (output_move_double): In one case properly
3194         count number of instructions that will be emitted.
3195
3196 2012-02-10  Richard Guenther  <rguenther@suse.de>
3197
3198         PR translation/52193
3199         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3200
3201 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3202
3203         PR middle-end/52140
3204         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3205
3206 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3207
3208         PR debug/52165
3209         * var-tracking.c (emit_note_insn_var_location): If
3210         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3211         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3212         non-NOTE_DURING_CALL_P insn.
3213
3214 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3215
3216         PR middle-end/51867
3217         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3218
3219 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3220
3221         PR driver/48524
3222         * gcc.c (switch_matches) Support switches with separated form,
3223         -D and -U.
3224
3225 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3226
3227         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3228         (SP_ADDR): Ditto.
3229         (RAMPZ_ADDR): Ditto.
3230         * config/avr/avr.c (avr_addr_t): New typedef.
3231         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3232         (avr_init_expanders): Initialize it.
3233         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3234         SREG_ADDR.
3235         (expand_epilogue): Ditto.
3236         (avr_print_operand): Ditto.
3237         (avr_file_start): Ditto.
3238         (avr_emit_movmemhi): Ditto.
3239
3240 2012-02-08  Richard Guenther  <rguenther@suse.de>
3241
3242         PR tree-optimization/46886
3243         * tree-flow.h (do_while_loop_p): Declare.
3244         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3245         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3246
3247 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3248
3249         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3250         always succeed for integers larger than a native word.
3251
3252 2012-02-08  Richard Guenther  <rguenther@suse.de>
3253
3254         PR rtl-optimization/52170
3255         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3256         properly handle integer vector modes.
3257
3258 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3259
3260         PR gcov-profile/52150
3261         * coverage.c: Include target.h.
3262         (build_var): Call targetm.strip_name_encoding on the assembler name.
3263         Change one _ into . or $ if the target allows it.
3264         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3265
3266         PR rtl-optimization/52139
3267         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3268         is a BARRIER after emit_insn_after_noloc, move BB_END
3269         to the last non-BARRIER insn before it.
3270
3271 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3272
3273         PR middle-end/24306
3274         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3275         (mips_gimplify_va_arg_expr): Call it instead of
3276         std_gimplify_va_arg_expr.
3277
3278 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3279
3280         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3281         message for -mno-pointers-to-nested-function.
3282
3283 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3284
3285         PR middle-end/51994
3286         * expr.c (get_inner_reference): If there is an offset, add a negative
3287         bit position to it (if any).
3288
3289 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3290
3291         PR rtl-optimization/52060
3292         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3293         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3294         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3295         and/or i0src_copy2 when needed.
3296
3297 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3298
3299         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3300         or LTOPLUGINSONAME if have_c.
3301
3302         * config/freebsd-spec.h: Add comment about what macros can be defined
3303         in this header.
3304         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3305         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3306         here instead.
3307
3308 2012-02-07  Richard Guenther  <rguenther@suse.de>
3309
3310         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3311         newline in -alias dumps.
3312
3313 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3314             Dave Korn  <dave.korn.cygwin@gmail.com>
3315
3316         PR target/40068
3317         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3318         Take care that typinfo gets dllexport-attribute.
3319
3320 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3321
3322         PR middle-end/52074
3323         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3324         if modifier < EXPAND_SUM call force_operand on the result.
3325
3326 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3327
3328         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3329         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3330         present.
3331         (epiphany_function_type): Replace types for specific interrupts with
3332         EPIPHANY_FUNCTION_INTERRUPT.
3333         (EPIPHANY_INTERRUPT_P): Update.
3334         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3335         New static function.
3336         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3337         <disinterrupt>: Affects type identity.
3338         (epiphany_handle_interrupt_attribute): Handle variable number of
3339         arguments.
3340         (epiphany_compute_function_type): Update for new
3341         epiphany_function_type definition.
3342         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3343         handlers with a longcall forwarder.
3344         (epiphany_start_function): Handle multiple interrupt arguments and/or
3345         forwarder_section attribute.
3346
3347         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3348         libgloss.
3349
3350 2012-02-07  Alan Modra  <amodra@gmail.com>
3351
3352         PR target/52107
3353         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3354         subregs of TFmode.
3355
3356 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3357
3358         PR tree-optimization/50969
3359         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3360         use vec_perm rather than vector_stmt.
3361         (vect_model_load_cost): Likewise.
3362         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3363         vec_perm to be the same as other vector statements.
3364         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3365         cost of vec_perm for TARGET_VSX.
3366
3367 2012-02-06  Richard Guenther  <rguenther@suse.de>
3368
3369         PR tree-optimization/52115
3370         * tree-sra.c (access_has_replacements_p): New function.
3371         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3372
3373 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3374
3375         PR middle-end/52047
3376         * trans-mem.c (expand_call_tm): Add an assertion.
3377         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3378         functions.
3379
3380 2012-02-06  Richard Guenther  <rguenther@suse.de>
3381
3382         PR tree-optimization/50955
3383         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3384         raise cost of expressions that replace an address with an
3385         expression based on a different pointer.
3386
3387 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3388
3389         PR target/52129
3390         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3391         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3392
3393 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3394
3395         PR c++/48680
3396         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3397         -Weffc++ and specify guidelines come from second edition.
3398
3399 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3400
3401         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3402         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3403         (call_direct_split, call_value_split, call_value_internal_direct)
3404         (call_value_direct_split, call_value_multiple_split): Use jal and
3405         jal_macro attributes.
3406
3407 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3408
3409         * reload1.c (reload_regs_reach_end_p): Replace with...
3410         (reload_reg_rtx_reaches_end_p): ...this function.
3411         (new_spill_reg_store): Update commentary.
3412         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3413         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3414         before setting new_spill_reg_store.
3415         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3416         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3417         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3418         for non-spill reload registers.
3419
3420 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3421
3422         PR tree-optimization/52091
3423         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3424         (vect_is_simple_use_1): Likewise.
3425         * tree-vect-loop.c (vectorizable_reduction): Update calls
3426         to vect_is_simple_use_1 and vect_is_simple_use.
3427         (vectorizable_live_operation): Likewise.
3428         * tree-vect-patterns.c (widened_name_p,
3429         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3430         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3431         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3432         vectorizable_shift,vectorizable_operation, vectorizable_store,
3433         vectorizable_load): Likewise.
3434         (vect_is_simple_cond): Add an argument, pass it to
3435         vect_is_simple_use_1.
3436         (vectorizable_condition): Update calls to vect_is_simple_cond,
3437         vect_is_simple_use.
3438         (vect_is_simple_use): Add an argument, the statement in which
3439         OPERAND is used.  Check that if OPERAND's def stmt is a double
3440         reduction phi node, the use is a phi node too.
3441         (vect_is_simple_use_1): Add an argument, pass it to
3442         vect_is_simple_use.
3443         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3444         to vect_is_simple_use.
3445
3446 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3447
3448         PR rtl-optimization/52095
3449         * modulo-sched.c (dump_insn_locator): New function.
3450         (loop_canon_p, sms_schedule): Use it.
3451
3452         PR rtl-optimization/52113
3453         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3454         even for decomposable shift/zext insns.
3455
3456 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3457             Zdenek Dvorak  <ook@ucw.cz>
3458
3459         PR rtl-optimization/52092
3460         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3461         on get_iv_value result.
3462
3463 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3464
3465         PR middle-end/47982
3466         PR middle-end/43967
3467         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3468
3469 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3470
3471         PR middle-end/48071
3472         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3473
3474 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3475
3476         PR rtl-optimization/49800
3477         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3478         (sched_finish): Call regstat_free_n_sets_and_refs.
3479
3480 2012-02-02  Jia Liu  <proljc@gmail.com>
3481
3482         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3483         than operand 2.
3484
3485 2012-02-02  Jan Hubicka  <jh@suse.cz>
3486             Tom de Vries  <tom@codesourcery.com>
3487
3488         PR middle-end/51998
3489         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3490         * varpool.c (varpool_analyze_pending_decls): Likewise.
3491
3492 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3493             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3494
3495         * config.gcc: Add cr16-* support.
3496
3497         * doc/extend.texi: Document cr16 extensions.
3498         * doc/install.texi: Document cr16 install.
3499         * doc/invoke.texi: Document cr16 options.
3500         * doc/md.texi: Document cr16 constraints.
3501
3502         * common/config/cr16/cr16-common.c: New file.
3503         * config/cr16/cr16.c: New file.
3504         * config/cr16/cr16.h: New file.
3505         * config/cr16/cr16.md: New file.
3506         * config/cr16/cr16.opt: New file.
3507         * config/cr16/cr16-protos.h: New file.
3508         * config/cr16/predicates.md: New file.
3509         * config/cr16/constraints.md: New file.
3510         * config/cr16/t-cr16: New file.
3511
3512 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3513
3514         PR target/52086
3515         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3516         that operands[2] is either immediate, or q_regs_operand.
3517
3518         PR tree-optimization/52073
3519         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3520         a pattern stmt for pattern uses, ignore uses outside of the loop.
3521
3522 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3523
3524         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3525         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3526         (OUT_AS1, OUT_AS2): Remove.
3527
3528 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3529
3530         PR rtl-optimization/51374
3531         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3532         to cross other volatile_refs_p insns.
3533
3534 2012-02-01  Richard Guenther  <rguenther@suse.de>
3535
3536         * doc/invoke.texi (fno-inline): Clarify documentation.
3537         (finline-small-functions): Likewise.
3538         (finline-functions): Likewise.
3539         * common.opt (finline): Adjust comment and documentation.
3540         (finline-small-functions): Clarify documentation.
3541         (finline-functions): Likewise.
3542         (finline-functions-called-once): Likewise.
3543
3544 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3545
3546         * c-typeck.c (composite_type): Keep mode for pointers.
3547
3548 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3549
3550         * function.h (regno_reg_rtx): Adjust comment.
3551         * reginfo.c (init_reg_modes_target): Only use the previous mode
3552         if it fits within one register.  Remove MIPS comment.
3553
3554 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3555
3556         PR bootstrap/52058
3557         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3558
3559 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3560
3561         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3562         to srak instruction.
3563
3564 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3565
3566         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3567
3568 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3569
3570         PR bootstrap/52041
3571         PR bootstrap/52039
3572         PR target/51974
3573         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3574
3575 2012-01-31  Richard Guenther  <rguenther@suse.de>
3576
3577         PR tree-optimization/51528
3578         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3579         assigns.
3580
3581 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3582
3583         PR bootstrap/52041
3584         PR bootstrap/52039
3585         PR target/51974
3586         * ree.c (add_removable_extension): Change def_map argument
3587         to unsigned *, store in def_map 1 + offset into *insn_list vector
3588         instead of pointers into the vector.
3589         (find_removable_extensions): Adjust caller.
3590
3591 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3592
3593         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3594         Transform all "* quoted-c-code" to { c-code }.
3595         Remove redundant test for "optimize" in combine patterns.
3596         Move (include "avr-dimode.md") to end of file.
3597
3598 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3599
3600         PR target/51835
3601         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3602         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3603
3604 2012-01-30  Richard Guenther  <rguenther@suse.de>
3605
3606         PR tree-optimization/52028
3607         * tree-loop-distribution.c (ldist_gen): Properly update
3608         virtual SSA form.
3609
3610 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3611
3612         PR debug/52027
3613         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3614         set_cur_line_info_table if not emitting debug info.
3615
3616         PR tree-optimization/52046
3617         * tree-vect-patterns.c (check_bool_pattern): Give up if
3618         a comparison could throw.
3619
3620         PR debug/52048
3621         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3622
3623 2012-01-30  Richard Guenther  <rguenther@suse.de>
3624
3625         PR tree-optimization/52045
3626         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3627         SSA form if cfgcleanup did anything.
3628
3629 2012-01-30  Richard Guenther  <rguenther@suse.de>
3630
3631         PR tree-optimization/52045
3632         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3633         before computing final todo.
3634
3635 2012-01-30  Richard Guenther  <rguenther@suse.de>
3636
3637         PR tree-optimization/51528
3638         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3639         for PR51528 fix.
3640
3641 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3642
3643         * df-problems.c (df_kill_notes): Check that the use refers
3644         to the note under examination.
3645
3646 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3647
3648         PR target/51920
3649         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3650         parameter and use short-lived pseudos.
3651         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3652         (sparc_expand_vector_init): Const-ify local variables and adjust
3653         calls to above functions.
3654
3655 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3656
3657         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3658
3659 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3660
3661         * doc/invoke.texi: Make usage of "compile time" and
3662         "run time"/"runtime" consistent throughout the file.
3663
3664 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3665
3666         * config/alpha/alpha.c (alpha_option_override): Default to
3667         full IEEE compliance mode for Go language.
3668
3669 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3670
3671         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3672         (LINK_SSP_SPEC): Define.
3673
3674 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3675
3676         PR target/51871
3677         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3678         stubs.
3679
3680 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3681
3682         * doc/invoke.texi: Correct hyphenation of "floating point",
3683         "double precision", and related terminology throughout the file.
3684
3685 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3686
3687         PR target/52006
3688         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3689         arm_general_register_operand predicate for operand 2 instead of
3690         register_operand.
3691
3692 2012-01-27  Ian Lance Taylor  <iant@google.com>
3693
3694         PR go/47656
3695         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3696         * builtins.c (expand_builtin_init_trampoline): Add onstack
3697         parameter.  Change caller.
3698         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3699         * tree.c (build_common_builtin_nodes): Declare
3700         __builtin_init_heap_trampoline.
3701
3702 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3703
3704         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3705         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3706         * config/avr/avr.c: Ditto.
3707         (avr_regnames): Remove because unused.
3708         * config/avr/avr.md (*cpse.ne): New peephole.
3709         (*cpse.eq): New peephole from former cpse peepholes.
3710
3711 2012-01-27  Michael Eager  <eager@eagercon.com>
3712
3713         * config/microblaze.c (microblaze_emit_compare): Correct
3714         test after pcmp instruction.
3715
3716 2012-01-27  Richard Guenther  <rguenther@suse.de>
3717
3718         PR tree-optimization/52020
3719         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3720
3721 2012-01-27  Richard Guenther  <rguenther@suse.de>
3722
3723         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3724         function non-const/pure.
3725
3726 2012-01-27  Richard Guenther  <rguenther@suse.de>
3727
3728         PR tree-optimization/50444
3729         * tree-sra.c (build_ref_for_offset): Properly adjust the
3730         MEM_REF type for unaligned accesses.
3731
3732 2012-01-27  Richard Guenther  <rguenther@suse.de>
3733
3734         PR tree-optimization/50444
3735         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3736         (expand_assignment): Use it.  Properly handle misaligned
3737         bases when expanding stores to component references.
3738         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3739         refactor that case.
3740
3741 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3742
3743         PR middle-end/51389
3744         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3745         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3746         * tree-data-ref.c (find_data_references_in_loop): Make static.
3747         (compute_all_dependences): Change return type to bool.  Bail out
3748         for too many datarefs in a loop.  Move the hunk resetting the data
3749         dependences vector from ...
3750         (compute_data_dependences_for_loop): ... here.  Account for
3751         compute_all_dependences returning false.
3752         (compute_data_dependences_for_bb): Likewise.
3753         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3754         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3755
3756 2012-01-27  Richard Guenther  <rguenther@suse.de>
3757
3758         PR middle-end/51959
3759         * expr.c (store_field): Use the alias-set of the scratch memory
3760         for storing to it.
3761
3762 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3763
3764         PR tree-optimization/51990
3765         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3766         WITH_SIZE_EXPR.
3767         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3768
3769 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3770
3771         PR debug/52001
3772         * var-tracking.c (reverse_op): Don't add any reverse operation
3773         if V already has any constant locations.
3774
3775 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3776
3777         * doc/invoke.texi: Correct usage of "command line" (noun)
3778         vs "command-line" (adjective) throughout.
3779
3780 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3781
3782         * doc/invoke.texi (Language Independent Options): Move
3783         -Wcoverage-mismatch blurb from here....
3784         (Warning Options): ...to here.
3785
3786 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3787
3788         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3789         Set rs6000_always_hint to false for 476.
3790
3791 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3792
3793         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3794           system root.
3795         * incpath.c (add_standard_paths): Likewise.
3796
3797 2012-01-27  Richard Henderson  <rth@redhat.com>
3798
3799         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3800         * config/m68k/sync.md (atomic_test_and_set): Rename from
3801         sync_test_and_setqi and adjust the operands.
3802         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3803         and unconditionally enable.
3804
3805 2012-01-27  Richard Henderson  <rth@redhat.com>
3806
3807         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3808         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3809         (ldstub): Rename from ldstubqi.
3810         (ldstub<I24MODE>): Remove.
3811
3812 2012-01-27  Richard Henderson  <rth@redhat.com>
3813
3814         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3815         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3816         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3817         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3818         * doc/tm.texi: Rebuild.
3819
3820 2012-01-27  Richard Henderson  <rth@redhat.com>
3821
3822         * optabs.c (gen_atomic_test_and_set): Remove default.
3823         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3824
3825 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3826
3827         PR rtl-optimization/51978
3828         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3829         (combine_reaching_defs): Likewise.
3830         (struct re_info): Remove.
3831         (add_removable_extension): Remove x and data arguments,
3832         add insn, insn_list and def_map.  Use the arguments directly
3833         instead of using struct re_info.
3834         (find_removable_extensions): Don't call add_removable_extension
3835         through note_stores, instead just call it with single_set
3836         result if non-NULL.
3837         (find_and_remove_re): Pass curr_cand->expr instead of
3838         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3839
3840 2012-01-26  Michael Matz  <matz@suse.de>
3841
3842         PR tree-optimization/46590
3843         * cfgexpand.c: Revert last change (r183305).
3844         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3845         regs.
3846         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3847         checking for emptiness.
3848
3849 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3850
3851         PR middle-end/51895
3852         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3853         non-addressable non-BLKmode base correctly.
3854
3855 2012-01-26  Michael Matz  <matz@suse.de>
3856
3857         PR tree-optimization/48794
3858         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3859         regions referenced from RESX/EH_DISPATCH.
3860
3861 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3862
3863         * config/s390/s390.h: Make BRANCH_COST an option.
3864         * config/s390/s390.opt: New option -mbranch-cost.
3865
3866 2012-01-26  Richard Henderson  <rth@redhat.com>
3867
3868         Revert 2012-01-24 change:
3869         * trans-mem.c (requires_barrier): Do not instrument thread local
3870         variables and emit save/restore for them.
3871
3872 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3873
3874         PR middle-end/51986
3875         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3876         for pat == 0.
3877
3878 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3879
3880         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3881         ASM_OPERANDS.
3882
3883 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3884
3885         PR target/49868
3886         Rename __pgm to __flash.
3887         Rename __pgm1 to __flash1.
3888         Rename __pgm2 to __flash2.
3889         Rename __pgm3 to __flash3.
3890         Rename __pgm4 to __flash4.
3891         Rename __pgm5 to __flash5.
3892         Rename __pgmx to __memx.
3893         * doc/extend.texi (AVR Named Address Spaces)
3894         Rename address space names as indicated above.
3895         * config/avr/avr.c (avr_addrspace): Ditto.
3896
3897         * config/avr/avr-protos.h
3898         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3899         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3900         * config/avr/predicates.md: Ditto.
3901         * config/avr/avr.c Ditto, and
3902         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3903         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3904
3905         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3906         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3907         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3908         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3909         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3910         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3911         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3912         * config/avr/avr.c: Ditto.
3913         * config/avr/avr.md: Ditto.
3914
3915 2012-01-25  Jason Merrill  <jason@redhat.com>
3916
3917         PR c++/51992
3918         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3919
3920 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3921
3922         PR tree-optimization/51987
3923         * tree-data-ref.c (get_references_in_stmt): Handle references in
3924         non-volatile GIMPLE_ASM.
3925
3926 2012-01-25  Richard Guenther  <rguenther@suse.de>
3927
3928         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3929         bases are dereferenced.
3930
3931 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3932
3933         PR rtl-optimization/48374
3934         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3935
3936 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3937
3938         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3939         compute_data_dependences_for_loop returns false.
3940         * tree-parloops.c (loop_parallel_p): Likewise.
3941
3942 2012-01-25  Richard Guenther  <rguenther@suse.de>
3943
3944         * tree.h (get_pointer_alignment_1): Declare.
3945         * builtins.c (get_pointer_alignment_1): New function.
3946         (get_pointer_alignment): Use it.
3947
3948 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3949
3950         PR rtl-optimization/48308
3951         * combine.c (enum undo_kind): Add UNDO_LINKS.
3952         (struct undo): Add member l to other_contents and where.
3953         (do_SUBST_LINK): New.
3954         (SUBST_LINK): New.
3955         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3956         (undo_all): Handle UNDO_LINKS.
3957
3958 2012-01-25  Richard Henderson  <rth@redhat.com>
3959
3960         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3961         mem inputs.
3962
3963 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3964
3965         * optabs.c (gen_atomic_test_and_set): Use each argument.
3966
3967 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3968
3969         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3970         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3971         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3972         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3973         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3974         TARGET_PAIRED_SINGLE_FLOAT.
3975
3976 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3977
3978         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3979         (in_struct, return_val): Remove MEM documentation.
3980         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3981         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3982         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3983         and MEM_SCALAR.
3984         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3985         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3986         * expr.c (store_field): Likewise.
3987         * function.c (assign_stack_temp_for_type): Likewise.
3988         * ifcvt.c (noce_try_cmove_arith): Likewise.
3989         * reload1.c (reload): Likewise.
3990         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3991         (alpha_set_memflags): Likewise.
3992         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3993
3994 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3995
3996         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3997         parameter.
3998         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3999         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4000         (true_dependence_1, true_dependence, canon_true_dependence): Remove
4001         varies parameter.
4002         * cselib.c (cselib_rtx_varies_p): Delete.
4003         (cselib_invalidate_mem): Update call to canon_true_dependence.
4004         * dse.c (record_store, check_mem_read_rtx): Likewise.
4005         (scan_reads_nospill): Likewise.
4006         * cse.c (check_dependence): Likewise.
4007         (cse_rtx_varies_p): Delete.
4008         * expr.c (safe_from_p): Update call to true_dependence.
4009         * ira.c (validate_equiv_mem_from_store): Likewise.
4010         (memref_referenced_p): Likewise.
4011         * postreload-gcse.c (find_mem_conflicts): Likewise.
4012         * sched-deps.c (sched_analyze_2): Likewise.
4013         * store-motion.c (load_kills_store): Likewise.
4014         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4015         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4016         (compute_transp): Update call to canon_true_dependence.
4017
4018 2012-01-25  Richard Henderson  <rth@redhat.com>
4019
4020         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4021         (maybe_emit_atomic_test_and_set): New.
4022         (expand_sync_lock_test_and_set): Use it.
4023         (expand_atomic_test_and_set): Likewise.
4024         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4025         the implementation; clarify implementation defined details.
4026         * doc/md.texi (atomic_test_and_set): Document.
4027
4028 2012-01-25  Richard Henderson  <rth@redhat.com>
4029
4030         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4031
4032 2012-01-25  Richard Henderson  <rth@redhat.com>
4033
4034         PR target/51968
4035         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4036         to effect no-op split.
4037
4038 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4039
4040         PR lto/51698
4041         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4042         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4043         (BT_FN_VOID_PTR_INT_SIZE): New.
4044         (BT_FN_UINT_UINT_VAR): Remove.
4045         (BT_FN_UINT32_UINT32_VAR): New.
4046         (BT_FN_DOUBLE_VPTR): Remove.
4047         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4048
4049         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4050         (_ITM_changeTransactionMode): Same.
4051         (_ITM_memmoveRtWt): Change return type to void.
4052         (_ITM_memcpyRtWt): Same.
4053         (_ITM_memsetW): Same.
4054         (_ITM_RaRD): Change types to double.
4055         (_ITM_RD): Same.
4056         (_ITM_RaWD): Same.
4057         (_ITM_RfWD): Same.
4058
4059         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4060
4061 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4062             Patrick Marlier  <patrick.marlier@gmail.com>
4063
4064         * trans-mem.c (requires_barrier): Do not instrument thread local
4065         variables and emit save/restore for them.
4066
4067 2012-01-24  Jason Merrill  <jason@redhat.com>
4068
4069         PR c++/51812
4070         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4071         output static aliases.
4072
4073 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4074
4075         PR driver/47249
4076         * common.opt (-pie, -shared, pie, shared): Change from Common to
4077         Driver.
4078         * gcc.c (display_help): Display help for -pie and -shared.
4079
4080 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
4081
4082         PR target/49868
4083         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4084         Remove note on size/offset limitation.
4085         (AVR Variable Attributes): Add example how to read data located
4086         with progmem.  Refer to named address spaces.
4087         * doc/invoke.texi (AVR Options): Fix typo.
4088
4089 2012-01-24  Richard Guenther  <rguenther@suse.de>
4090
4091         Forward-port to trunk
4092         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
4093
4094         PR middle-end/45678
4095         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4096         op0 isn't sufficiently aligned and there is movmisalignM
4097         insn for mode, use it to load op0 into a temporary register.
4098
4099 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4100
4101         PR target/51957
4102         * target.def (const_not_ok_for_debug_p): New hook.
4103         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4104         documentation.
4105         * doc/tm.texi: Regenerated.
4106         * dwarf2out.c (const_ok_for_output_1): If
4107         targetm.const_not_ok_for_debug_p returns true, fail.
4108         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4109         function.
4110         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4111
4112 2012-01-23  Kai Tietz  <ktietz@redhat.com>
4113
4114         PR target/51900
4115         * config/i386/predicates.md (symbolic_operand): Allow
4116         UNSPEC_PCREL as PIC expression for lea.
4117         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4118         * config/i386/i386.c (ix86_delegitimize_address): Handle
4119         UNSPEC_PCREL for none-MEM, too.
4120
4121 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4122
4123         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4124         (ipa_tm_create_version_alias): Same.
4125
4126 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
4127
4128         PR libitm/51830
4129         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4130         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4131
4132 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4133             Patrick Marlier  <patrick.marlier@gmail.com>
4134             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
4135
4136         PR lto/51916
4137         * lto-wrapper.c (run_gcc): Pass the LTO section name to
4138         simple_object_start_read.
4139
4140 2012-01-23  Richard Guenther  <rguenther@suse.de>
4141
4142
4143         PR tree-optimization/51895
4144         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4145         parameter decomposition into BLKmode components.
4146
4147 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
4148
4149         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4150         fake variables for restrict-qualified pointers whose pointed-to type
4151         contains a placeholder.
4152
4153 2012-01-23  Richard Guenther  <rguenther@suse.de>
4154
4155         PR tree-optimization/51949
4156         * ipa-split.c (execute_split_functions): Do not split malloc functions.
4157
4158 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
4159
4160         PR rtl-optimization/51933
4161         * ree.c (transform_ifelse): Return true right away if dstreg is
4162         already wider or equal to cand->mode.
4163         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4164         (make_defs_and_copies_lists): Remove defs_list and copies_list
4165         arguments, add state argument, just truncate state->work_list
4166         instead of always allocating and freeing the vector.  Assert that
4167         get_defs succeeds instead of returning 2.  Changed return type to bool.
4168         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
4169         have ext_src_mode, see if it has been modified already with the
4170         right kind of extension and has been extended before from the
4171         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
4172         just return true.  Remember the original mode in state->modified array.
4173         (combine_reaching_defs): Add state argument.  Don't allocate and
4174         free here def_list, copied_list and vec vectors, instead just
4175         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
4176         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4177         Add state variable, clear vectors in it, initialize state.modified
4178         if needed.  Free all the vectors at the end and state.modified too.
4179         Don't skip a candidate if the extension expression has been modified.
4180
4181 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
4182
4183         PR target/47096
4184         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4185          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4186         (extra_options) interix.opt -> i386/interix.opt"
4187         (extra_objs):Add winnt-stubs.o
4188         * configure.ac: Add interix to target_os .comm on PE check.
4189         * configure: Regenerate.
4190         * config/interix3.h: Delete and move bits to..
4191         * config/interix.h: Delete and move bits to..
4192         * config/i386/i386-interix3.h: Delete and move bits to..
4193         * config/i386/i386-interix.h: ..here.
4194         (TARGET_CPU_DEFAULT): Remove redefinition.
4195         (TARGET_ASM_CONSTRUCTOR): Undefine.
4196         (SUBTARGET_SWITCHES): Define for ms-bitfields.
4197         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4198         (PTRDIFF_TYPE): Define.
4199         (LONG_DOUBLE_TYPE_SIZE): Define.
4200         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4201         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4202         (TARGET_SECTION_TYPE_FLAGS): Define.
4203         (ASM_DECLARE_FUNCTION_NAME): Define.
4204         (ASM_OUTPUT_EXTERNAL): Define.
4205         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4206         (ASM_OUTPUT_ALIGNED_BSS): Define.
4207         (PCC_BITFIELD_TYPE_MATTERS): Define.
4208         (USE_CONST_SECTION): Define.
4209         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4210         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4211         (SUPPORTS_ONE_ONLY): Remove.
4212         (I386_PE_STRIP_ENCODING): Define.
4213         * config/interix.opt: Delete and move bits to..
4214         * config/i386/interix.opt: ..here. New.
4215         (mpe-aligned-commons): Add.
4216         * config/i386/t-interix: Add copyright header.
4217         (winnt-stubs.o): Add rule.
4218
4219 2012-01-22  Jason Merrill  <jason@redhat.com>
4220
4221         PR c++/51832
4222         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4223         for extra name aliases.
4224
4225 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4226
4227         PR rtl-optimization/51924
4228         * ree.c (combine_set_extension): Improve debugging message.
4229         (combine_reaching_defs): Likewise.
4230         (get_defs): Rename confusingly named variable.
4231         (find_and_remove_re): Skip a candidate if the extension expression has
4232         been modified.
4233
4234 2012-01-21  Robert Millan  <rmh@gnu.org>
4235             Gerald Pfeifer  <gerald@pfeifer.com>
4236
4237         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4238         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4239
4240 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4241
4242         PR tree-optimization/51914
4243         * tree-vect-stmts.c (vectorizable_conversion): For
4244         cvt_type && modifier == WIDEN, put temporary with cvt_type
4245         at the beginning of vec_dsts and set vec_dest to temporary
4246         with vectype_out.
4247
4248 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
4249
4250         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4251
4252 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
4253
4254         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4255         * config/rs6000/rs6000.c: Likewise.
4256
4257 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4258
4259         PR target/51915
4260         * config/arm/arm.c (arm_count_output_move_double_insns): Call
4261         output_move_double on a copy of operands array.
4262
4263 2012-01-20  Cary Coutant  <ccoutant@google.com>
4264             Dodji Seketeli  <dodji@redhat.com>
4265
4266         PR debug/45682
4267         * dwarf2out.c (copy_declaration_context): Return ref to parent
4268         of declaration DIE, if necessary.
4269         (remove_child_or_replace_with_skeleton): Add new parameter; update
4270         caller.  Place skeleton DIE under parent DIE of original declaration.
4271         Move call to copy_declaration_context to here ...
4272         (break_out_comdat_types): ... from here.
4273
4274 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4275
4276         PR rtl-optimization/51856
4277         * reload.c (find_reloads_subreg_address): Set the address_reloaded
4278         flag to reloaded.
4279
4280 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4281
4282         PR target/51819
4283         * config/arm/arm.c (arm_print_operand): Correct output of alignment
4284         hints for neon loads and stores.
4285
4286 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
4287
4288         PR target/49868
4289         PR target/50887
4290         * doc/extend.texi (Named Address Spaces): Split into subsections.
4291         (AVR Named Address Spaces): New subsection.
4292         (M32C Named Address Spaces): New subsection.
4293         (RL78 Named Address Spaces): New subsection.
4294         (SPU Named Address Spaces): New subsection.
4295         (Variable Attributes): New anchor "AVR Variable Attributes".
4296         (AVR Variable Attributes): Rewrite and avoid wording
4297         "address space" in this context.
4298         * doc/invoke.texi (AVR Options): Rewrite and add documentation
4299         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4300         (AVR Built-in Macros): New subsubsection therein.
4301         * doc/md.texi (AVR constraints): Remove "C04", "R".
4302
4303 2012-01-20  Richard Guenther  <rguenther@suse.de>
4304
4305         PR tree-optimization/51903
4306         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4307         when removing stmts.
4308
4309 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4310
4311         PR target/50313
4312         * config/arm/arm.c (arm_load_pic_register): Use
4313         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4314         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4315         (arm_pic_static_addr): Likewise.
4316         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4317         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4318         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4319         (pic_load_addr_unified): New.
4320
4321 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
4322
4323         PR target/51106
4324         * function.c (instantiate_virtual_regs_in_insn): Use
4325         delete_insn_and_edges when removing a wrong asm insn.
4326
4327 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
4328
4329         PR rtl-optimization/40761
4330         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4331         Add new member loop_num.
4332         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4333         (ira_build): Remove the parameter.
4334
4335         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4336         (ira.c): Do not build CFG loops for one region allocation.  Remove
4337         argument from ira_build call.
4338
4339         * ira-build.c (init_loop_tree_node): New function.
4340         (create_loop_tree_nodes): Use it.  Separate the case when CFG
4341         loops are not built.
4342         (more_one_region_p): Check current_loops.
4343         (finish_loop_tree_nodes): Separate the case when CFG loops are not
4344         built.
4345         (add_loop_to_tree): Process loop equal to NULL too.
4346         (form_loop_tree): Separate the case when CFG loops are not built.
4347         Use explicitly number for the root.
4348         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4349         an assertion.
4350         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4351         instead of loop->num.
4352         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
4353         (mark_all_loops_for_removal): Ditto.
4354         (remove_unnecessary_regions): Separate the case when CFG loops
4355         are not built.
4356         (ira_build): Remove the parameter.  Use explicit number of regions
4357         when CFG loops are not built.
4358
4359         * ira-color.c (print_loop_title): Separate the case for the root node.
4360         Use loop_num instead of loop->num.
4361         (move_spill_restore): Use loop_num instead of loop->num.
4362
4363         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4364         (change_loop): Ditto.
4365         (change_loop): Use loop_num instead of loop->num.
4366
4367         * ira-lives.c (process_bb_node_lives): Ditto.
4368
4369         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4370
4371         * ira-conflicts.c (print_allocno_conflicts): Ditto.
4372
4373 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
4374
4375         PR libmudflap/40778
4376         * tree-mudflap.c (mf_artificial): New function.
4377         (execute_mudflap_function_ops, execute_mudflap_function_decls,
4378         mx_register_decls, mudflap_enqueue_decl): Use it.
4379
4380         PR target/51876
4381         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4382         numbers in the insn pattern.
4383
4384 2012-01-19  Michael Matz  <matz@suse.de>
4385
4386         PR tree-optimization/46590
4387         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4388         use it in remembering which conflicts we already created.
4389         (add_scope_conflicts): Adjust call to above, (de)allocate helper
4390         bitmap.
4391
4392 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
4393
4394         PR lto/51280
4395         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4396         (merge_and_complain): Same.
4397
4398 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
4399
4400         PR bootstrap/50237
4401         * config/initfini-array.h: Guard content of the header
4402         with #ifdef HAVE_INITFINI_ARRAY.
4403         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4404         Add initfini-array.h to tm_file here.
4405         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4406         * config.gcc: Don't add initfini-array.h to tm_file here.
4407         * configure: Regenerated.
4408
4409 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
4410
4411         PR rtl-optimization/51505
4412         * df-problems.c (df_kill_notes): New parameter live. Update comment.
4413         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4414         (df_note_bb_compute): Update the call to df_kill_notes.
4415
4416 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
4417
4418         * trans-mem.c (requires_barrier): Remove call to is_global_var.
4419
4420 2012-01-18  Richard Guenther  <rguenther@suse.de>
4421
4422         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4423         of conversions to void *.
4424
4425 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4426             Richard Sandiford  <rdsandiford@googlemail.com>
4427
4428         PR middle-end/50325
4429         PR middle-end/51192
4430         * optabs.h (simplify_expand_binop): Declare.
4431         * optabs.c (simplify_expand_binop): Make global.
4432         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4433         endian targets if the source cannot be exactly covered by word
4434         mode chunks.
4435
4436 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
4437
4438         PR bootstrap/51872
4439         * hard-reg-set.h (struct hard_reg_set_container): New type.
4440         * target.h (struct hard_reg_set_container): Forward declare.
4441         * target.def (set_up_by_prologue): New target hook.
4442         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4443         * doc/tm.texi: Regenerated.
4444         * function.c (thread_prologue_and_epilogue_insns): Change
4445         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4446         Call targetm.set_up_by_prologue on it.
4447         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4448         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4449
4450 2012-01-17  Nick Clifton  <nickc@redhat.com>
4451
4452         * config/rx/rx.c (rx_can_use_simple_return): New function.
4453         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4454         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4455
4456 2012-01-17  Richard Guenther  <rguenther@suse.de>
4457
4458         PR middle-end/51782
4459         * expr.c (expand_assignment): Take address-space information
4460         from the address operand of MEM_REF and TARGET_MEM_REF.
4461         (expand_expr_real_1): Likewise.
4462
4463 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4464
4465         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4466         reload dump is requested.
4467
4468 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
4469
4470         PR other/51165
4471         * trans-mem.c (requires_barrier): Call may_be_aliased.
4472
4473 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
4474
4475         PR tree-optimization/51877
4476         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4477         call arguments and fndecls compare equal, instead return false if they
4478         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
4479         both SSA_NAMEs that are valueized the same, or they satisfy
4480         operand_equal_p.
4481
4482 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4483
4484         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4485         Solaris 11+.
4486         * configure: Regenerate.
4487
4488 2012-01-16  Jan Hubicka  <jh@suse.cz>
4489
4490         PR c/12245
4491         PR c++/14179
4492         * convert.c (convert_to_integer): Use fold_convert for
4493         converting an INTEGER_CST to integer type.
4494
4495 2012-01-16  Jason Merrill  <jason@redhat.com>
4496
4497         PR c++/14179
4498         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4499
4500 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
4501
4502         PR bootstrap/51860
4503         * config/s390/s390.c (s390_chunkify_start): Don't skip
4504         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
4505         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4506         If insn is followed by NOTE_INSN_VAR_LOCATION or
4507         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4508         Don't use location of note insns.
4509
4510         PR tree-optimization/51865
4511         * tree-inline.c (tree_function_versioning): Call remap_decl
4512         on DECL_RESULT whenever it has VOID_TYPE_P type.
4513
4514 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
4515
4516         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4517         for calls to locally-binding MIPS16 functions if only the return
4518         type uses float regs.
4519
4520 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
4521             Richard Sandiford  <rdsandiford@googlemail.com>
4522
4523         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4524         (SYMBOL_32_HIGH): Likewise.
4525         (mips_output_tls_reloc_directive): Declare.
4526         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4527         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4528         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4529         (mips_lo_relocs, mips_hi_relocs): Make extern.
4530         (mips16_stub_function): Move up file.
4531         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4532         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
4533         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
4534         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4535         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
4536         (mips_get_tp): Add MIPS16 support.
4537         (mips_legitimize_tls_address): Remove MIPS16 sorry().
4538         Generalize DTPREL and TPREL handling.
4539         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4540         Add MIPS16 TLS support.
4541         (mips_output_tls_reloc_directive): New function.
4542         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4543         * config/mips/predicates.md (symbolic_operand_with_high)
4544         (tls_reloc_operand): New predicates.
4545         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4546         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4547         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4548         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
4549         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4550         (*tls_get_tp_mips16_call_<mode>): Likewise.
4551
4552 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
4553
4554         PR rtl-optimization/51821
4555         * recog.c (peep2_find_free_register): Determine clobbered registers
4556         from insn pattern.
4557
4558 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
4559
4560         PR target/50925
4561         * config/avr/avr-protos.h: Revert change of 2012-01-09.
4562         * config/avr/avr.c: Likewise.
4563         * config/avr/avr.h: Likewise.
4564
4565 2012-01-13  Ian Lance Taylor  <iant@google.com>
4566
4567         PR c++/50012
4568         * tree.h (TYPE_QUALS): Add cast to int.
4569         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4570
4571 2012-01-13  Ian Lance Taylor  <iant@google.com>
4572
4573         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4574         comparing param_index to VEC_length result.
4575
4576 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
4577
4578         * c-decl.c: Do not include tree-mudflap.h
4579         * tree-optimize.c: Likewise.
4580         * Makefile.in: Update dependencies.
4581
4582 2012-01-13  Richard Guenther  <rguenther@suse.de>
4583
4584         PR middle-end/8081
4585         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4586         variable-sized result always use RSO.
4587
4588 2012-01-12  DJ Delorie  <dj@redhat.com>
4589
4590         * cfgexpand.c (convert_debug_memory_address): Allow any valid
4591         pointer type, not just the default pointer type.
4592
4593 2012-01-09  Richard Henderson  <rth@redhat.com>
4594             Denis Chertykov  <chertykov@gmail.com>
4595
4596         PR target/50925
4597         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4598         * config/avr/avr.c (avr_can_eliminate): Simplify.
4599         (avr_initial_elimination_offset): Likewise.
4600         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4601         (expand_epilogue): Likewise.
4602         (avr_legitimize_address): Gut.
4603         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4604         (avr_hard_regno_nregs): New.
4605         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4606         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4607         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4608         add soft frame pointer.
4609         (CALL_USED_REGISTERS): Likewise.
4610         (REG_CLASS_CONTENTS): Likewise.
4611         (REGISTER_NAMES): Likewise.
4612         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4613         (HARD_FRAME_POINTER_REGNUM): New.
4614         (FRAME_POINTER_REGNUM): Use soft frame pointer.
4615         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4616         remove the HARD_FRAME_POINTER self-elimination.
4617
4618 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
4619
4620         PR target/51756
4621         * config/avr/avr.c (avr_encode_section_info): Test for absence of
4622         DECL_EXTERNAL when checking for initializers of progmem variables.
4623
4624 2012-01-12  Ira Rosen  <irar@il.ibm.com>
4625
4626         PR tree-optimization/51799
4627         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4628         that the last operation is a type demotion.
4629
4630 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
4631
4632         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4633         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4634
4635 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
4636
4637         PR bootstrap/51796
4638         * combine.c (distribute_notes): If i3 is a noreturn call,
4639         allow old_size to be equal to args_size and make sure the
4640         noreturn call gets REG_ARGS_SIZE note.
4641         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4642         on noreturn calls even when the delta is 0.
4643
4644 2012-01-11  Nathan Sidwell  <nathan@acm.org>
4645
4646         * gcov.c (STRING_SIZE): Remove.
4647         (generate_results): Erase annotations for source files with no
4648         coverage information.
4649         (read_line): New.
4650         (output_lines): Use it.
4651
4652 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4653
4654         * gimple.h (gimplify_body): Remove first argument.
4655         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
4656         pointer set here, instead just pass DATA to walk_tree.
4657         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
4658         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4659         (unvisit_body): Likewise, but with unmark_visited.
4660         (gimplify_body): Remove BODY_P argument and adjust.
4661         (gimplify_function_tree): Adjust call to gimplify_body.
4662         * omp-low.c (finalize_task_copyfn): Likewise.
4663
4664 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4665
4666         * tree.h (build_function_decl_skip_args): Add boolean parameter.
4667         (build_function_type_skip_args): Delete.
4668         * tree.c (build_function_type_skip_args): Make static and add
4669         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
4670         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4671         pass it to build_function_type_skip_args.
4672         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4673         (tree_function_versioning): Likewise.
4674         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4675         build_function_decl_skip_args.
4676         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4677         and pass it to build_function_decl_skip_args/tree_function_versioning.
4678         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4679         * ipa-inline-transform.c (save_inline_function_body): Likewise.
4680         * trans-mem.c (ipa_tm_create_version): Likewise.
4681         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4682         * tree-inline.c (declare_return_variable): Remove always-true test.
4683         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
4684         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4685         * ipa-split.c (split_function): Skip the return value for the split
4686         part if it doesn't return.
4687
4688 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4689
4690         PR tree-optimization/49642
4691         * ipa-split.c (forbidden_dominators): New variable.
4692         (check_forbidden_calls): New function.
4693         (dominated_by_forbidden): Likewise.
4694         (consider_split): Check for forbidden dominators.
4695         (execute_split_functions): Initialize and free forbidden
4696         dominators info; call check_forbidden_calls.
4697
4698 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4699
4700         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4701
4702 2012-01-11  Nick Clifton  <nickc@redhat.com>
4703
4704         * config/rx/rx.md (return): Define pattern.
4705
4706 2012-01-11  Richard Guenther  <rguenther@suse.de>
4707
4708         * doc/extend.texi (malloc attribute): Adjust according to
4709         implementation.
4710
4711 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
4712             Patrick Marlier  <patrick.marlier@gmail.com>
4713
4714         PR middle-end/51516
4715         * trans-mem.c (get_cg_data): Traverse aliases if requested.
4716         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4717         (ipa_tm_note_irrevocable): Same.
4718         (ipa_tm_scan_irr_block): Same.
4719         (ipa_tm_decrement_clone_counts): Same.
4720         (ipa_tm_scan_irr_function): Same.
4721         (ipa_tm_create_version_alias): Same.
4722         (ipa_tm_create_version): Same.
4723         (ipa_tm_transform_calls_redirect): Same.
4724         (ipa_tm_transform_calls): Same.
4725         (ipa_tm_transform_transaction): Same.
4726         (ipa_tm_execute): Same.
4727
4728 2012-01-10  Richard Guenther  <rguenther@suse.de>
4729
4730         PR middle-end/51806
4731         * opts.c (common_handle_option): Handle -Werror.
4732
4733 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
4734
4735         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4736         operand number.
4737
4738 2012-01-10  Jason Merrill  <jason@redhat.com>
4739
4740         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4741         information.
4742
4743 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4744
4745         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4746         supports R_386_TLS_GD_PLT reloc.
4747         (gcc_cv_as_ix86_tlsldmplt): Check if linker
4748         supports R_386_TLS_LDM_PLT reloc.
4749         * configure: Regenerate.
4750         * config.in: Regenerate.
4751
4752 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
4753
4754         PR target/49868
4755         Extend __pgmx semantics to linearize memory.
4756         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4757         determine if code comes inline or from libgcc.
4758         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4759         (movmem_qi, movmem_qi): Set constraint #2 to "n".
4760         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4761         (movmemx_qi, movmemx_hi): New insns.
4762         (xload_<mode>_libgcc): Rewrite to new insn condition.
4763         (xload_<mode>): Remove insns.
4764         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4765         cases that don't satisfy avr_xload_libgcc_p().
4766         (avr_addr_space_convert): Allow converting in any direction.
4767         (avr_addr_space_subset_p): Return always true.
4768         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4769         (avr_emit_movmemhi): Ditto.
4770         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4771         (avr_out_movmem): Ditto.
4772         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4773         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4774         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4775         (avr_encode_section_info): Encode 'progmem' in symbol flags.
4776         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4777
4778 2012-01-10  Richard Guenther  <rguenther@suse.de>
4779
4780         PR tree-optimization/50913
4781         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4782         Require data-refs to be representable by Graphite with respect
4783         to any loop nest.
4784
4785 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
4786
4787         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4788         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4789
4790 2012-01-10  Tom de Vries  <tom@codesourcery.com>
4791
4792         PR rtl-optimization/51271
4793         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4794         handling annulled branch.
4795
4796 2012-01-10  Richard Henderson  <rth@redhat.com>
4797
4798         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4799         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4800         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4801         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4802         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4803         arm_expand_vec_perm_const): New.
4804         * config/arm/arm-protos.h: Update.
4805         * config/arm/neon.md (UNSPEC_VCONCAT): New.
4806         (*neon_vswp<VDQX>): New.
4807         (neon_vcombine<VDX>): Use neon_split_vcombine.
4808         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4809         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4810         (vec_perm<VE>): New.
4811
4812 2012-01-10  Richard Henderson  <rth@redhat.com>
4813
4814         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4815         use it if reload_completed.
4816         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4817         arm_output_asm_insn, arm_process_output_memory_barrier,
4818         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4819         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4820         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4821         arm_process_output_sync_insn, arm_output_sync_insn,
4822         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4823         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4824         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4825         (emit_unlikely_jump): New.
4826         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4827         (arm_split_atomic_op): New.
4828         * config/arm/arm-protos.h: Update.
4829         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4830         (struct arm_sync_generator): Remove.
4831         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4832         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4833         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4834         (VUNSPEC_LL, VUNSPEC_SC): New.
4835         (sync_result, sync_memory, sync_required_value, sync_new_value,
4836         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4837         (attr length): Don't use arm_sync_loop_insns.
4838         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4839         (movsfcc, movdfcc): Likewise.
4840         * config/arm/constraints.md (Ua): New.
4841         * config/arm/prediates.md (mem_noofs_operand): New.
4842         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4843         (sync_clobber, sync_t2_reqd): Remove.
4844         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4845         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4846         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4847         (arm_sync_compare_and_swap<SIDI>): Remove.
4848         (arm_sync_compare_and_swap<NARROW>): Remove.
4849         (arm_sync_lock_test_and_set<SIDI>): Remove.
4850         (arm_sync_lock_test_and_set<NARROW>): Remove.
4851         (arm_sync_new_<syncop><SIDI>): Remove.
4852         (arm_sync_new_<syncop><NARROW>): Remove.
4853         (arm_sync_new_nand<SIDI>): Remove.
4854         (arm_sync_new_nand<NARROW>): Remove.
4855         (arm_sync_old_<syncop><SIDI>): Remove.
4856         (arm_sync_old_<syncop><NARROW>): Remove.
4857         (arm_sync_old_nand<SIDI>): Remove.
4858         (arm_sync_old_nand<NARROW>): Remove.
4859         (*memory_barrier): Merge arm_output_memory_barrier.
4860         (atomic_compare_and_swap<QHSD>): New.
4861         (atomic_compare_and_swap<NARROW>_1): New.
4862         (atomic_compare_and_swap<SIDI>_1): New.
4863         (atomic_exchange<QHSD>): New.
4864         (cas_cmp_operand, cas_cmp_str): New.
4865         (atomic_op_operand, atomic_op_str): New.
4866         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4867         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4868         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4869         (arm_load_exclusive<NARROW>): New.
4870         (arm_load_exclusivesi, arm_load_exclusivedi): New.
4871         (arm_store_exclusive<QHSD>): New.
4872
4873 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4874
4875         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4876         reload patterns if -mvsx-scalar-memory.
4877
4878         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4879         generated, even -mno-vsx-scalar-double was used.
4880         (vsx_xscvdpsp_scalar): Likewise.
4881         (vsx_xscvspdp_scalar2): Likewise.
4882
4883 2012-01-09  Tom de Vries  <tom@codesourcery.com>
4884             Andrew Pinski  <apinski@cavium.com>
4885
4886         PR debug/51471
4887         * reorg.c (fill_slots_from_thread): Don't speculate
4888         frame-related insns.
4889
4890 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
4891
4892         * sched-int.h (bb_note): Move to...
4893         * basic-block.h: ...here.
4894         * haifa-sched.c (bb_note): Move to...
4895         * cfgrtl.c: ...here.
4896         * function.c (next_block_for_reg): New function.
4897         (move_insn_for_shrink_wrap): Likewise.
4898         (prepare_shrink_wrap): Rewrite to use the above.
4899
4900 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
4901
4902         * gimple.c (is_gimple_non_addressable): Remove.
4903         * gimple.h: Remove is_gimple_non_addressable.
4904         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4905         is_gimple_non_addressable.
4906         * trans-mem.c (expand_assign_tm): Same.
4907
4908 2012-01-09  Richard Guenther  <rguenther@suse.de>
4909
4910         PR tree-optimization/51775
4911         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4912         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4913
4914 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4915
4916         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4917         tuning parameters.
4918         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4919
4920 2012-01-09  Richard Guenther  <rguenther@suse.de>
4921
4922         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4923
4924 2012-01-08  Jan Hubicka  <jh@suse.cz>
4925
4926         PR tree-optimize/51680
4927         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4928         on when known_vals needs to be computed; cleanup.
4929
4930 2012-01-08  Jan Hubicka  <jh@suse.cz>
4931
4932         PR tree-optimize/51694
4933         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4934
4935 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
4936
4937         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4938         for -std=c++98 and -std=c++11 too.
4939
4940 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
4941
4942         * cfgloop.c (cancel_loop): Add free() of bbs array.
4943
4944 2012-01-07  Jan Hubicka  <jh@suse.cz>
4945
4946         PR tree-optimization/51600
4947         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4948         that benefits small functions.
4949
4950 2012-01-07  Jan Hubicka  <jh@suse.cz>
4951
4952         * ipa-inline.c (want_inline_small_function_p): Fix formating.
4953
4954 2012-01-07  Jan Hubicka  <jh@suse.cz>
4955
4956         PR tree-optimization/51680
4957         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4958         whose inlining reduce unit size.
4959
4960 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
4961
4962         PR bootstrap/51725
4963         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4964         Add canonical node to containing_mem chain after the non-canonical
4965         one, even if there weren't any locs to propagate.
4966         (remove_useless_values): Keep only canonical values.
4967         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4968         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
4969         canonicalize mem_chain elements that are not discarded.
4970
4971 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
4972
4973         PR target/47333
4974         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4975         before emitting functions.
4976
4977         PR gcov-profile/50127
4978         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4979         clear_aux_for_blocks.
4980
4981 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
4982
4983         PR debug/51746
4984         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4985
4986 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
4987
4988         * c-decl.c (ext_block): Moved up.
4989         (collect_all_refs, for_each_global_decl): Take ext_block into account.
4990
4991 2012-01-06  Han Shen  <shenhan@google.com>
4992
4993         Translate built-in include paths for sysroot.
4994         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4995         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4996
4997         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4998         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4999
5000         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5001         control whether sysroot should be prepended to gxx include dir.
5002
5003         * configure: Regenerate.
5004
5005 2012-01-06  Torvald Riegel  <triegel@redhat.com>
5006
5007         PR rtl-optimization/51771
5008         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5009         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5010
5011 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5012
5013         PR tree-optimization/51315
5014         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5015         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5016
5017 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
5018
5019         PR target/51681
5020         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5021         for shrp pattern.  Correctly handle and fixup shift variable.
5022         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5023
5024 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5025
5026         PR debug/51762
5027         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5028         note when !ACCUMULATE_OUTGOING_ARGS.
5029
5030 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5031
5032         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5033         condition.
5034         (extract_range_from_unary_expr_1): Avoid useless computations.
5035
5036 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5037
5038         PR rtl-optimization/51767
5039         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5040         of jump_block and add an extra edge for degenerated asm gotos.
5041
5042         PR middle-end/51768
5043         * stmt.c (check_unique_operand_names): Don't ICE during error
5044         reporting if i is from labels chain.
5045
5046         PR middle-end/44777
5047         * profile.c (branch_prob): Split bbs that have exit edge
5048         and need a fake entry edge too.
5049
5050 2012-01-05  Jan Hubicka  <jh@suse.cz>
5051
5052         PR middle-end/49710
5053         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5054         unlooping loops.
5055
5056 2012-01-05  Richard Guenther  <rguenther@suse.de>
5057
5058         PR lto/50490
5059         * tree-streamer-out.c (write_ts_optimization): New function.
5060         (streamer_write_tree_body): Call it.
5061         * tree-streamer-in.c (lto_input_ts_optimization): New function.
5062         (streamer_read_tree_body): Call it.
5063         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5064
5065 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5066
5067         PR middle-end/51761
5068         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5069         * gimplify.c (gimplify_cleanup_point_expr): Save and set
5070         in_cleanup_point_expr before gimplify_stmt call and restore it
5071         afterwards.
5072         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5073         in_cleanup_point_expr is false.
5074
5075 2012-01-05  Richard Guenther  <rguenther@suse.de>
5076
5077         PR middle-end/51764
5078         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5079         to c.opt.
5080         * toplev.c (process_options): Reject combining mudflap and LTO.
5081         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5082
5083 2012-01-05  Richard Guenther  <rguenther@suse.de>
5084
5085         PR tree-optimization/51760
5086         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5087         not VARYING.
5088         (bit_value_unop): Handle UNDEFINED operands.
5089         (bit_value_binop): Likewise.
5090
5091 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
5092
5093         * config/avr/avr.c (avr_replace_prefix): Remove.
5094         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5095         (avr_asm_function_rodata_section): Ditto.
5096         (avr_asm_select_section): Ditto.
5097
5098 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
5099
5100         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5101         insertion.
5102
5103 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5104
5105         PR bootstrap/51648
5106         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5107         calls that have any non-fake successor edges.
5108
5109         PR debug/51746
5110         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5111
5112 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5113
5114         PR tree-optimization/51624
5115         * tree-sra.c (build_ref_for_model): When replicating a chain of
5116         COMPONENT_REFs, stop as soon as the offset would become negative.
5117
5118 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
5119
5120         PR debug/51695
5121         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5122         in .debug_loc on the floor.
5123
5124 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5125
5126         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5127
5128 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5129             Adam Nemet  <anemet@caviumnetworks.com>
5130
5131         * config/mips/mips.md (size): Add SI and DI.
5132         (SIZE): New mode attribute.
5133         (U): New code attribute.
5134         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5135         (mips_lbux_<mode>): Delete.
5136         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5137         (mips_lhx): Use gen_mips_lhx_extsi.
5138         (mips_lhx_<mode>): Delete.
5139         (mips_lwx): Delete.
5140         (mips_l<size>x): New expand.
5141         (mips_lwx_<mode>): Delete.
5142         (mips_l<GPR:size>x_<P:mode>): New pattern.
5143         (*mips_lw<u>x_<P:mode>_ext): Likewise.
5144         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5145         * config/mips/mips.c (mips_lx_address_p): New function.
5146         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5147         (dsp64): New availability predicate.
5148         (mips_builtins): Add an entry for __builtin_mips_ldx.
5149         * config/mips/mips.h (ISA_HAS_LBX): New define.
5150         (ISA_HAS_LBUX): Likewise.
5151         (ISA_HAS_LHX): Likewise.
5152         (ISA_HAS_LHUX): Likewise.
5153         (ISA_HAS_LWX): Likewise.
5154         (ISA_HAS_LWUX): Likewise.
5155         (ISA_HAS_LDX): Likewise.
5156         * doc/extend.texi (__builtin_mips_ldx): Document.
5157
5158 2012-01-04  Tristan Gingold  <gingold@adacore.com>
5159
5160         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5161         when long pointers are used.
5162         * config.build (*-*-*vms*): Handle all OpenVMS targets.
5163         (alpha64-dec-*vms*, alpha*-dec-*vms*)
5164         (ia64-hp-*vms*): Remove.
5165         * config/vms/xm-vms64.h: Delete.
5166
5167 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5168
5169         PR middle-end/51472
5170         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5171
5172 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5173
5174         * opts.c (finish_options): Remove duplicate sorry.
5175
5176 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5177
5178         PR middle-end/51696
5179         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5180         correctly.
5181
5182 2012-01-04  Richard Guenther  <rguenther@suse.de>
5183
5184         PR middle-end/51750
5185         * tree.c (size_low_cst): New function.
5186         * tree.h (size_low_cst): Declare.
5187         * fold-const.c (fold_comparison): Use it to extract the low
5188         part of the POINTER_PLUS_EXPR offset.
5189
5190 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
5191
5192         Fix clearing ZERO_REG
5193         * config/avr/avr.md (cc): Add alternative "ldi".
5194         (movqi_insn): Use it in cc attribute.
5195         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5196         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5197         (output_reload_insisf): Use ZERO_REG to pre-clear register.
5198
5199 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5200
5201         * configure: Regenerate.
5202
5203 2012-01-04  Richard Guenther  <rguenther@suse.de>
5204
5205         PR tree-optimization/49651
5206         * tree-ssa-structalias.c (type_can_have_subvars): New function.
5207         (var_can_have_subvars): Use it.
5208         (get_constraint_for_1): Only consider subfields if there can be any.
5209
5210 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5211
5212         PR bootstrap/51725
5213         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5214         to its new canonical_cselib_val and the cselib_val was in
5215         first_containing_mem chain, but the canonical_cselib_val was not,
5216         add the latter into the chain.
5217         (cselib_invalidate_mem): Compare canonical_cselib_val of
5218         addr_list chain elt with v.
5219
5220         PR pch/51722
5221         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5222         dwarf2out_undef): Allocate e.info using ggc_strdup instead
5223         of xstrdup.
5224         (output_macinfo_op): Don't ggc_strdup fd->filename.
5225         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5226         then ggc_strdup it.  Don't free inc->info or cur->info.
5227         (output_macinfo): Don't free ref->info or file->info.
5228
5229 2012-01-03  Ira Rosen  <irar@il.ibm.com>
5230
5231         PR tree-optimization/51269
5232         * tree-vect-loop-manip.c (set_prologue_iterations): Make
5233         first_niters a pointer.
5234         (slpeel_tree_peel_loop_to_edge): Likewise.
5235         (vect_do_peeling_for_loop_bound): Update call to
5236         slpeel_tree_peel_loop_to_edge.
5237         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5238         here.  Remove it from the parameters list.
5239         (vect_do_peeling_for_alignment): Update calls and compute
5240         wide_prolog_niters.
5241
5242 2012-01-03  Richard Guenther  <rguenther@suse.de>
5243
5244         PR tree-optimization/51070
5245         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5246         Properly handle calls.
5247
5248 2012-01-03  Richard Guenther  <rguenther@suse.de>
5249
5250         PR tree-optimization/51692
5251         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5252         the LHS of allocation stmts.
5253
5254 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5255
5256         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5257
5258 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5259
5260         * collect2.c (main): In AIX specific computations for vector
5261         insertions, use CONST_CAST2 to cast from char ** to const char **.
5262
5263 2012-01-03  Richard Guenther  <rguenther@suse.de>
5264
5265         PR debug/51650
5266         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5267         the context of a limbo DIE when it does not already exist.
5268
5269 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5270
5271         PR tree-optimization/51719
5272         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5273         but direct call is, clear direct call's lhs and don't add fallthrough
5274         edge from dcall_bb to join_bb and PHIs.
5275
5276 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5277
5278         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5279         the instructions emitted by the pattern.
5280         ("*TDC_insn_<mode>"): Add comment.
5281
5282 2012-01-03  Richard Guenther  <rguenther@suse.de>
5283
5284         PR middle-end/51730
5285         * fold-const.c (fold_comparison): Properly canonicalize
5286         tree offset and HOST_WIDE_INT bit position.
5287
5288 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
5289
5290         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5291         operands for extzv pattern.
5292
5293 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5294
5295         PR bootstrap/51725
5296         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5297         on mem_elt first.
5298
5299 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
5300
5301         * doc/invoke.texi (-flto and related options): Copy-edit.
5302
5303 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5304
5305         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5306
5307 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5308
5309         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5310         New patterns.
5311
5312 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5313
5314         * expr.h (move_by_pieces_ninsns): Declare.
5315         * expr.c (move_by_pieces_ninsns): Make external.
5316         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5317         (mips_store_by_pieces_p): Likewise.
5318         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5319         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5320         * config/mips/mips.c (mips_move_by_pieces_p): New function.
5321         (mips_store_by_pieces_p): Likewise.
5322
5323 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5324
5325         * passes.c (register_one_dump_file): Free full_name.
5326
5327         * reload1.c (reload): Don't allocate reg_max_ref_width here.
5328         (calculate_elim_costs_all_insns): Free offsets_at and
5329         offsets_known_at at the end and clear the pointers.
5330
5331 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5332
5333         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5334         this option introduced in r180739.
5335
5336 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5337
5338         PR target/51345
5339         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5340         (tmake_file target=avr): Add avr/t-multilib.
5341
5342         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5343         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5344         * config/avr/genmultilib.awk: New file.
5345         * config/avr/t-multilib: New auto-generated file.
5346         * config/avr/multilib.h: New auto-generated file.
5347         * config/avr/t-avr (AVR_MCUS): New variable.
5348         (genopt.sh): Use it.
5349         (s-mlib): Depend on t-multilib.
5350         (t-multilib, multilib.h): New dependencies.
5351         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5352         (MULTILIB_OPTIONS): Remove.
5353         (MULTILIB_MATCHES): Remove.
5354         (MULTILIB_DIRNAMES): Remove.
5355         (MULTILIB_EXCEPTIONS): Remove:
5356         * config/avr/genopt.sh: Don't use hard coded file name;
5357         pass AVR_MCUS from t-avr instead.
5358
5359 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5360
5361         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5362
5363 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5364
5365         Implement light-weight DImode support.
5366         * config/avr/avr-dimode.md: New file.
5367         * config/avr/avr.md: Include it.
5368         (adjust_len): Add plus64, compare64.
5369         (HIDI): Remove code iterator.
5370         (code_stdname): New code attribute.
5371         (rotx, rotsmode): Remove DI.
5372         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5373         as code iterator.
5374         * config/avr/avr-protos.h (avr_have_dimode): New.
5375         (avr_out_plus64, avr_out_compare64): New.
5376         * config/avr/avr.c (avr_out_compare): Handle DImode.
5377         (avr_have_dimode): New variable definition and initialization.
5378         (avr_out_compare64, avr_out_plus64): New functions.
5379         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5380         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5381         (avr_compare_pattern): Skip DImode comparisons.
5382
5383 2012-01-02  Revital Eres  <revital.eres@linaro.org>
5384
5385         * ddg.c (def_has_ccmode_p): New function.
5386         (add_cross_iteration_register_deps,
5387         create_ddg_dep_from_intra_loop_link): Call it.
5388
5389 2012-01-02  Richard Guenther  <rguenther@suse.de>
5390
5391         PR other/51679
5392         * invoke.texi (fassociative-math): Remove spurious paranthesis.
5393
5394 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
5395
5396         * gcc.c (process_command): Update copyright notice dates.
5397         * gcov.c (print_version): Likewise.
5398         * gcov-dump.c (print_version): Likewise.
5399         * mips-tfile.c (main): Likewise.
5400         * mips-tdump.c (main): Likewise.
5401
5402 2012-01-01  Ira Rosen  <irar@il.ibm.com>
5403
5404         PR tree-optimization/51704
5405         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5406         a use is inside the basic block or loop before accessing its vect info.
5407
5408 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
5409
5410         PR rtl-optimization/51069
5411         * cfgloopmanip.c (remove_path): Removing path making irreducible
5412         region unconditional makes BB part of the region.
5413
5414 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
5415
5416         PR tree-optimization/51683
5417         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5418         calls with side-effects.
5419         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5420 \f
5421 Copyright (C) 2012 Free Software Foundation, Inc.
5422
5423 Copying and distribution of this file, with or without modification,
5424 are permitted in any medium without royalty provided the copyright
5425 notice and this notice are preserved.