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* config/i386/sse.md (xop_phaddbq): Fix vec_select selectors.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
2
3         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
4         (xop_phaddubq): Ditto.
5
6 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
7
8         Backport from mainline
9         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
10                     Richard Earnshaw  <rearnsha@arm.com>
11
12         * target.def (vector_alignment): New target hook.
13         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
14         * doc/tm.texi: Regenerate.
15         * targhooks.c (default_vector_alignment): New function.
16         * targhooks.h (default_vector_alignment): Add prototype.
17         * stor-layout.c (layout_type): Use targetm.vector_alignment.
18         * config/arm/arm.c (arm_vector_alignment): New function.
19         (TARGET_VECTOR_ALIGNMENT): Define.
20
21         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
22         vector type alignment instead of size.
23         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
24         element type size directly instead of computing it from alignment.
25         Fix variable naming and comment.
26
27 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
28
29         Backport from mainline
30         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
31
32         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
33         (alpha_pad_function_end): ... this.  Also insert NOP between
34         sibling call and GP load.
35         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
36
37 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
38
39         Backport from mainline
40         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
41                     H.J. Lu  <hongjiu.lu@intel.com>
42
43         PR rtl-optimization/54157
44         * combine.c (gen_lowpart_for_combine): Don't return identity
45         for CONST or symbolic reference.
46
47 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
48
49         Backport from mainline
50         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
51
52         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
53         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
54         split_cost argument signed.
55         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
56         (ix86_avoid_lea_for_addr): Ditto.
57
58         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
59
60         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
61         the address has less than two components.
62
63 2012-08-02  Steve Ellcey  <sellcey@mips.com>
64
65         Backport from mainline
66         2012-07-19  Steve Ellcey  <sellcey@mips.com>
67
68         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
69         MIPS16 mode.
70
71 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
72
73         Backport from mainline
74         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
75
76         PR target/53961
77         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
78         negative constant address for TARGET_X32 ...
79         (ix86_decompose_address): ... here.  Reject constant addresses
80         that don't satisfy x86_64_immediate_operand predicate.
81
82         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
83
84         PR target/53961
85         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
86         * config/i386/i386.c (ix86_print_operand_address): Ditto.
87         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
88         addresses.  Prevent zero extensions of CONST_INT operands.
89
90         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
91
92         PR target/53961
93         * config/i386/i386.md (*lea): New insn pattern.
94         (*lea_1): Remove.
95         (*lea<mode>_2): Ditto.
96         (*lea_{3,4,5,6}_zext): Ditto.
97         * config/i386/predicates.md (lea_address_operand): Do not reject
98         zero-extended address operands.
99         * config/i386/constraints.md (j): Remove address constraint.
100         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
101         of an address.
102         (ix86_print_operand_address): Handle SImode subreg of an address.
103         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
104
105 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
106
107         Backport from mainline
108         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
109
110         PR target/52530
111         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
112         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
113         to set code to 'q'.
114         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
115         (*movdi_internal_rex64): Use %E operand modifier for lea.
116         (*movsi_internal): Ditto.
117         (*lea_1): Ditto.
118         (*lea<mode>_2): Ditto.
119         (*lea_{3,4,5,6}_zext): Ditto.
120         (*tls_global_dynamic_32_gnu): Ditto.
121         (*tls_global_dynamic_64): Ditto.
122         (*tls_dynamic_gnu2_lea_32): Ditto.
123         (*tls_dynamic_gnu2_lea_64): Ditto.
124         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
125
126 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
127
128         Backport from mainline
129         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
130
131         * config/i386/i386.c (ix86_address_subreg_operand): Reject
132         stack pointer.
133         (ix86_print_operand_address): Assert that parts.base and parts.index
134         are non-NULL after call to simplify_subreg.
135
136 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
137
138         PR target/33135
139         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
140         description.
141         * config/sh/sh.c (sh_option_override): Do not change
142         flag_finite_math_only.  Set TARGET_IEEE to complement of
143         flag_finite_math_only.
144         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
145         description of mieee and mno-ieee behavior.
146
147 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
148
149         PR target/53877
150         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
151         (_lzcnt_u64): Ditto.
152
153 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
154
155         Backport from mainline
156         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
157
158         PR rtl-optimization/52250
159         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
160         to put note list into.  Unconditionally call move_bb_info.
161         (move_bb_info): Do not assert the blocks being in the same region,
162         just drop the note list if they are not.
163
164 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
165
166         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
167
168 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
169
170         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
171         defining statement is a SSA name that occurs in abnormal PHIs.
172
173 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
174
175         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
176         conversions.
177
178 2012-07-19  Richard Guenther  <rguenther@suse.de>
179             Eric Botcazou  <ebotcazou@adacore.com>
180
181         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
182         about transition from invariant to known bits.
183         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
184
185 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
186
187         PR middle-end/54017
188         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
189         (cleanup_tree_cfg_bb): Don't call it.
190         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
191         handling.
192
193 2012-07-19  Christian Bruel  <christian.bruel@st.com>
194
195         PR target/54029
196         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
197
198 2012-07-18  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
199
200         * config.gcc (v850-*-rtems*): New target.
201         * config/v850/rtems.h: New.
202         * config/v850/t-rtems: New.
203
204 2012-07-18  Nick Clifton  <nickc@redhat.com>
205
206         * doc/invoke.texi (ARM Options): Document -munaligned-access.
207
208 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
209
210         PR target/53961
211
212         Backport from mainline
213         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
214
215         PR target/53110
216         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
217         instead expand it as zero extension.
218
219 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
220
221         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
222         QImode and HImode splitters.  Use ix86_comparison_operator.
223         Explicitly match FLAGS_REG.
224         (DFmode cmove splitter): Explicitly match FLAGS_REG.
225
226 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
227             Steven Bosscher  <steven@gcc.gnu.org>
228             Bernd Schmidt  <bernds@codesourcery.com>
229
230         PR rtl-optimization/53908
231         * df-problems.c (can_move_insns_across): When doing
232         memory-reference book-keeping, handle call insns.
233
234 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
235
236         Backport from mainline
237         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
238
239         PR target/53811
240         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
241         sibcall_insn_operand.  Move it to a temporary register if not.
242
243         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
244
245         PR target/53853
246         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
247         emit PIC sequence for fnaddr symbol reference in advance.
248
249 2012-07-09  Jason Merrill  <jason@redhat.com>
250
251         PR c++/53882
252         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
253         (type_hash_eq): Likewise.
254
255         PR c++/53826
256         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
257
258 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
259
260         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
261         due to negative shift amount.
262
263 2012-07-06  Kai Tietz  <ktietz@redhat.com>
264
265         Backport from mainline.
266         PR bootstrap/52947
267         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
268         as "/mingw/include".
269
270 2012-07-06  Nick Clifton  <nickc@redhat.com>
271
272         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
273         default_encode_section_info.
274
275 2012-07-06  Richard Guenther  <rguenther@suse.de>
276
277         Backport from mainline
278         2012-03-30  Richard Guenther  <rguenther@suse.de>
279
280         PR middle-end/52786
281         * double-int.c (rshift_double): Remove not needed cast.
282
283         2012-03-28  Richard Guenther  <rguenther@suse.de>
284
285         PR middle-end/50708
286         * double-int.h (rshift_double): Remove.
287         * double-int.c (lshift_double): Use absu_hwi to make count
288         positive.
289         (rshift_double): Make static, take unsigned count argument,
290         remove handling of negative count argument.
291         (double_int_rshift): Dispatch to lshift_double.
292
293 2012-07-06  Richard Guenther  <rguenther@suse.de>
294
295         Backport from mainline
296         2012-06-18  Richard Guenther  <rguenther@suse.de>
297
298         PR tree-optimization/53693
299         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
300         Reject operands with more than one use.
301
302 2012-07-06  Richard Guenther  <rguenther@suse.de>
303
304         Backport from mainline
305         2012-04-11  Richard Guenther  <rguenther@suse.de>
306
307         PR middle-end/52621
308         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
309         consider loop nesting.
310         (evolution_function_is_univariate_p): Properly check the remainder
311         for chrecs.
312
313 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
314
315         Backport from mainline
316         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
317
318         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
319         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
320         (adjacent_mem_locations): Move some code to and call...
321         (get_memref_parts): ...new function.
322         (mem_locations_overlap): New function.
323         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
324         (is_mem_ref): Rename to...
325         (find_mem_ref): ...this. Return MEM rtx.
326         (get_store_dest): Remove function.
327         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
328         new parameter and adjust calls.
329         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
330         mem refs overlap for true_store_to_load_dep_costly.
331         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
332         passed to adjacent_mem_locations.
333         (is_costly_group): Walk resolved dependency list.
334         (force_new_group): Emit group ending nop for Power6/Power7.
335         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
336         (group_ending_nop): New define_insn.
337
338 2012-07-04  Richard Guenther  <rguenther@suse.de>
339
340         PR middle-end/53433
341         * gimple-fold.c (get_base_constructor): Do not return an
342         error_mark_node DECL_INITIAL.
343
344 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
345
346         Backport from mainline
347         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
348
349         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
350         code model string in the error message.
351
352 2012-07-04  Tristan Gingold  <gingold@adacore.com>
353
354         Backport from mainline.
355         2012-06-25  Tristan Gingold  <gingold@adacore.com>
356
357         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
358         (seh_cfa_adjust_cfa): ... that function.
359         (seh_emit_stackalloc): Do not emit out of range values.
360         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
361         UNSPEC_DEF_CFA constants.
362         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
363         * config/i386/i386.c (ix86_frame_pointer_required): Required
364         for very large frames on SEH target.
365         (ix86_compute_frame_layout): Save area is before frame pointer
366         on SEH target.  Handle very large frames.
367         (ix86_expand_prologue): Likewise.
368
369 2012-07-04  Richard Guenther  <rguenther@suse.de>
370
371         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
372         as in free_lang_data_in_type.
373
374 2012-07-02  Martin Jambor  <mjambor@suse.cz>
375
376         Backport from mainline.
377         2012-07-02  Martin Jambor  <mjambor@suse.cz>
378
379         PR middle-end/38474
380         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
381         dynamic type change check.
382
383 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
384
385         * tree-eh.c (lower_try_finally_switch): Really put the location of the
386         last statement of the finally block onto the switch.
387
388 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
389
390         * configure: Regenerate.
391
392         Backport from mainline.
393         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
394
395         * config.gcc (target_type_format_char): New. Document it. Set it for
396         arm*-*-* .
397         * configure.ac (gnu_unique_option): Use target_type_format_char
398         in test.  Comment rationale.
399
400 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
401
402         Backport from mainline.
403         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
404
405         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
406
407 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
408
409         Backport from 2012-06-28 mainline r189049
410
411         PR 53595
412         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
413         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
414         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
415         avr_hard_regno_call_part_clobbered.
416
417 2012-06-28  Richard Guenther  <rguenther@suse.de>
418
419         PR middle-end/53790
420         * expr.c (expand_expr_real_1): Verify if the type is complete
421         before inspecting its size.
422
423 2012-06-27  Nick Clifton  <nickc@redhat.com>
424
425         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
426         input operand.
427
428 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
429
430         PR debug/53682
431         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
432
433 2012-06-26  Nick Clifton  <nickc@redhat.com>
434
435         * config/rx/rx.md (simple_return): Use the simple_return rtx.
436
437 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
438
439         PR target/53759
440         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
441         of x x x in the vmovlps load alternative.
442
443 2012-06-22  Richard Guenther  <rguenther@suse.de>
444
445         * gcov-iov.c: Include bconfig.h and system.h.
446
447 2012-06-22  Richard Guenther  <rguenther@suse.de>
448
449         PR gcov-profile/53744
450         * gcov-iov.c (main): Treat "" and "prerelease" the same.
451
452 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
453
454         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
455         DECL_IGNORED_P non-reg vars even if they are used.
456
457 2012-06-19  Jason Merrill  <jason@redhat.com>
458
459         PR c++/52637
460         * dwarf2out.c (modified_type_die): Use scope_die_for.
461         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
462         (uses_local_type_r, uses_local_type): New.
463         (scope_die_for): Keep a type that uses a local type in local scope.
464         Use get_context_die for namespace and type scope.
465
466 2012-06-19  Richard Guenther  <rguenther@suse.de>
467
468         PR middle-end/53470
469         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
470         replace it with the first non-BLOCK context.
471
472 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
473
474         PR rtl-optimization/53700
475
476         Backport from mainline
477         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
478
479         * ira-color.c (setup_left_conflict_sizes_p): Process all
480         conflicting objects.
481
482 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
483
484         Backport from mainline
485         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
486
487         PR target/52908
488         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
489         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
490         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
491         instead of xop_mulv2div2di3_low.
492         (xop_p<macs>dql): Fix vec_select selector.
493         (xop_p<macs>dqh): Ditto.
494         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
495         (xop_mulv2div2di3_high): Ditto.
496
497 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
498
499         Backport from mainline:
500         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
501
502         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
503
504 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
505
506         Backport from mainline:
507         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
508
509         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
510         * config/pa/pa.c (pa_attr_length_millicode_call): Use
511         MAX_PCREL17F_OFFSET instead of fixed offset.
512         (pa_attr_length_call): Likewise.
513         (pa_attr_length_indirect_call): Likewise.
514
515 2012-06-15  Walter Lee  <walt@tilera.com>
516
517         Backport from mainline:
518         2012-06-15  Walter Lee  <walt@tilera.com>
519
520         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
521
522         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
523
524         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
525
526 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
527
528         Backport from mainline:
529
530         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
531         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
532         * gimple.h (block_in_transaction): Check for flag_tm.
533
534 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
535
536         PR tree-optimization/52558
537
538         Backport from mainline:
539         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
540         * gimple.h (gimple_set_in_transaction): Remove.
541         (gimple_in_transaction): Look in BB instead.
542         (gimple_statement_base): Remove in_transaction field.
543         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
544         * trans-mem.c (compute_transaction_bits): Place transaction bit
545         information into basic blocks.
546
547         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
548
549         PR tree-optimization/52558
550         * cfg.c (alloc_aux_for_edge): Fix comment.
551         (alloc_aux_for_edge): Remove static.
552         * basic-block.h (alloc_aux_for_edge): Protoize.
553         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
554         (execute_sm_if_changed_flag): New.
555         (execute_sm_if_changed_flag_set): New.
556         (execute_sm): Do not generate data races unless requested.
557         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
558         (tree_ssa_lim_finalize): Call free_aux_for_edges.
559         * gimple.h (block_in_transaction): New.
560         (gimple_in_transaction): Use block_in_transaction.
561
562 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
563
564         Backported from mainline
565         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
566
567         PR rtl-optimization/53589
568         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
569         discovery even when e->dest != target.  If any LABEL_REF points
570         to e->dest label, redirect it to target's label.
571
572         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
573
574         PR middle-end/53580
575         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
576         returns false, replace stmt with GIMPLE_NOP.
577         (check_omp_nesting_restrictions): Instead of issuing warnings,
578         issue errors and return false if any errors were reported.
579
580 2012-06-14  Richard Guenther  <rguenther@suse.de>
581
582         * BASE-VER: Set to 4.7.2.
583         * DEV-PHASE: Set to prerelease.
584
585 2012-06-12  Christian Bruel  <christian.bruel@st.com>
586
587         PR target/53621
588         * config/sh/sh.c (sh_option_override): Don't force
589          flag_omit_frame_pointer and maccumulate_outgoing_args.
590         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
591
592 2012-06-14  Release Manager
593
594         * GCC 4.7.1 released.
595
596 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
597
598         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
599
600 2012-06-13  Richard Henderson  <rth@redhat.com>
601
602         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
603         iterator instead of INT.
604
605 2012-06-08  Richard Henderson  <rth@redhat.com>
606
607         PR c++/53602
608         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
609         note to a clobber insn when no other insn is available.
610
611 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
612
613         PR c++/53524
614         * doc/invoke.texi (Wenum-compare): Update documentation.
615
616 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
617
618         PR target/53559
619         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
620         operands.
621         (altivec_stvlxl): Ditto.
622         (altivec_stvrx): Ditto.
623         (altivec_stvrxl): Ditto.
624
625 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
626
627         PR middle-end/47530
628         * trans-mem.c (expand_block_edges): Do not skip the first
629         statement when resetting the BB.
630
631 2012-06-04  Richard Guenther  <rguenther@suse.de>
632
633         PR middle-end/53471
634         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
635         create new assembler names.
636
637 2012-06-04  Richard Guenther  <rguenther@suse.de>
638
639         Backport from mainline
640         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
641
642         PR middle-end/52979
643         * stor-layout.c (get_best_mode): Don't return mode with bitsize
644         larger than maxbits.  Don't compute maxbits modulo align.
645         Also check that unit bytes long store at bitpos / unit * unit
646         doesn't affect bits beyond bitregion_end.
647         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
648         would not fit into bitregion_start ... bitregion_end + 1 bit
649         region.
650         (store_split_bit_field): Decrease unit close to end of bitregion_end
651         if access is restricted in order to avoid mutual recursion.
652
653 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
654
655         Backport from 2012-06-04 mainline r188172
656
657         PR target/46261
658         * config/avr/avr-stdint.h: New file.
659         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
660         newlib-stdint.h
661
662 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
663
664         PR tree-optimization/53550
665         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
666         is POINTER_TYPE_P, use sizetype as step type instead of type.
667
668 2012-06-04  Richard Guenther  <rguenther@suse.de>
669             Eric Botcazou  <ebotcazou@adacore.com>
670
671         Backport from mainline
672         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
673
674         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
675         Change type of BITOFFSET to signed.  Make sure the lower bound of
676         the computed range is non-negative by adjusting OFFSET and BITPOS.
677         (expand_assignment): Adjust call to get_bit_range.
678
679         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
680
681         * expr.c (get_bit_range): Return the null range if the enclosing record
682         is part of a larger bit field.
683
684         2012-03-20  Richard Guenther  <rguenther@suse.de>
685
686         * stor-layout.c (finish_bitfield_representative): Fallback
687         to conservative maximum size if the padding up to the next
688         field cannot be computed as a constant.
689         (finish_bitfield_layout): If we cannot compute the distance
690         between the start of the bitfield representative and the
691         bitfield member start a new representative.
692         * expr.c (get_bit_range): The distance between the start of
693         the bitfield representative and the bitfield member is zero
694         if the field offsets are not constants.
695
696         2012-03-16  Richard Guenther  <rguenther@suse.de>
697
698         * stor-layout.c (finish_bitfield_representative): Fall back
699         to the conservative maximum size if we cannot compute the
700         size of the tail padding.
701
702         2012-03-14  Richard Guenther  <rguenther@suse.de>
703
704         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
705         * stor-layout.c (start_bitfield_representative): New function.
706         (finish_bitfield_representative): Likewise.
707         (finish_bitfield_layout): Likewise.
708         (finish_record_layout): Call finish_bitfield_layout.
709         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
710         for QUAL_UNION_TYPE fields.
711         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
712         Stream DECL_BIT_FIELD_REPRESENTATIVE.
713         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
714
715         PR middle-end/52080
716         PR middle-end/52097
717         PR middle-end/48124
718         * expr.c (get_bit_range): Unconditionally extract bitrange
719         from DECL_BIT_FIELD_REPRESENTATIVE.
720         (expand_assignment): Adjust call to get_bit_range.
721
722 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
723
724         PR middle-end/53501
725         * fold-const.c (fold_binary_loc): Refine previous change.
726
727 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
728
729         Backport from mainline
730         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
731
732         PR target/52667
733         * config/sh/sh.c (find_barrier): Add equality check of last_got to
734         avoid going above orig insn.  Update comments.
735
736 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
737
738         Backport from mainline
739         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
740
741         PR target/52642
742         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
743         prologue for unwinder and profiler.
744
745 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
746
747         Backport from mainline
748         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
749
750         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
751
752 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
753
754         Backport from mainline
755         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
756
757         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
758         DBX_REGISTER_NUMBER.
759
760 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
761
762         Backport from mainline
763         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
764
765         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
766         operand is CONST_INT.  Take COSTS_N_INSNS into account.
767         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
768         shiftcosts.     
769
770 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
771
772         * config/avr/avr.opt (-msp8): Document it.
773         * doc/invoke.texi (AVR Options): Copy from trunk docu.
774
775 2012-05-31  Richard Guenther  <rguenther@suse.de>
776
777         PR middle-end/48493
778         * expr.c (expand_assignment): Do not use movmisalign on
779         non-memory.
780
781 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
782
783         PR target/52999
784         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
785         (pa_section_type_flags): New.
786         (pa_legitimate_constant_p): Revert previous change.
787
788 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
789
790         Backport from mainline
791         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
792
793         PR middle-end/53008
794         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
795         accessed indirectly.
796         (ipa_tm_create_version): Same.
797
798 2012-05-30  Jason Merrill  <jason@redhat.com>
799
800         PR c++/53220
801         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
802         about array compound literals.
803
804 2012-05-30  Richard Guenther  <rguenther@suse.de>
805
806         PR middle-end/53501
807         * fold-const.c (fold_binary_loc): Make sure to call
808         fold_plusminus_mult_expr with the original sign of operands.
809
810 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
811
812         * explow.c (probe_stack_range): Restore simple control flow and stop
813         again when the probe cannot be generated if HAVE_check_stack.
814
815 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
816
817         PR rtl-optimization/53519
818         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
819         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
820
821 2012-05-29  Richard Guenther  <rguenther@suse.de>
822
823         PR tree-optimization/53516
824         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
825         bitfield accesses.
826         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
827
828 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
829
830         Backport from mainline
831         2012-05-28  Richard Guenther  <rguenther@suse.de>
832
833         PR tree-optimization/53438
834         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
835
836 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
837
838         Backport from mainline
839         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
840
841         PR rtl-optimization/52528
842         * combine.c (can_combine_p): Add setting of subst_low_luid
843         before call to expand_field_assignment().
844
845 2012-05-26  Martin Jambor  <mjambor@suse.cz>
846
847         Backport from mainline
848         2012-05-23  Martin Jambor  <mjambor@suse.cz>
849
850         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
851
852 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
853
854         PR lto/52178
855         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
856         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
857
858 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
859
860         PR target/53435
861         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
862         (ix86_expand_vec_perm): Use int mode instead of float.
863
864 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
865
866         PR ada/52362
867         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
868         gnu_ld variables to yes.
869         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
870         (HAVE_GNU_AS): Likewise.
871         * config.in: Regenerate.
872         * configure: Likewise.
873
874 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
875
876         Backport from mainline
877         2012-03-12  Richard Guenther  <rguenther@suse.de>
878         * config/arm/arm.c (neon_dereference_pointer): Do not call
879         covert during RTL expansion.
880
881 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
882
883         Backport from mainline
884         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
885
886         PR target/53385
887         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
888         relied on signed overflow behavior.
889
890 2012-05-24  Richard Guenther  <rguenther@suse.de>
891
892         PR middle-end/53460
893         * tree-profile.c (tree_profiling): Cleanup the CFG if
894         execute_fixup_cfg requests it.
895
896 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
897
898         PR tree-optimization/53465
899         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
900         vr0 into *vr, then vrp_meet that.
901         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
902         have any equivalences.
903         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
904         first time.
905
906 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
907
908         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
909         size handling.
910         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
911         (iterative_hash_gimple_type): Adjust comment.
912         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
913         domain for an array type instead of the domain type itself.
914
915 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
916
917         Backport from 2012-05-23 mainline r187803
918
919         PR target/53448
920         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
921         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
922         ASM_OUTPUT_ALIGN.
923
924 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
925
926         Backport from 2012-05-03 mainline r187075
927
928         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
929         has_fma4 for AMD processors with both fma3 and fma4 support.
930
931 2012-05-22  Richard Guenther  <rguenther@suse.de>
932
933         PR tree-optimization/53408
934         * tree-vect-loop.c (vectorizable_induction): Properly check
935         the restriction that we cannot handle induction results from
936         the inner loop outside of the outer loop.
937
938 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
939
940         PR tree-optimization/53436
941         * omp-low.c (omp_build_component_ref): New function.
942         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
943
944         PR tree-optimization/53366
945         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
946         tests if complex_numbers == 2, but there are non-complex number loads
947         too.
948
949         PR tree-optimization/53409
950         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
951         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
952
953         PR tree-optimization/53410
954         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
955         instead of build_int_cst (type, 0) where vector types might be
956         involved.
957
958 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
959
960         PR c/53418
961         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
962         from folded operands before wrapping another around the
963         conditional expression.
964
965 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
966             Patrick Marlier  <patrick.marlier@gmail.com>
967
968         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
969         indirect calls.
970
971 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
972
973         Backport from mainline
974         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
975
976         PR target/53416
977         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
978         (UNSPECV_RDRAND): This.
979         (rdrand<mode>_1): Updated.
980
981 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
982
983         Backport from mainline
984         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
985
986         * config/i386/driver-i386.c (host_detect_local_cpu): Support
987         RDRND, F16C and FSGSBASE.
988
989 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
990
991         Backport from mainline
992         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
993
994         * tree-ssa-pre.c (can_value_number_call): Delete.
995         (compute_avail): Skip all statements with side effects.
996         <GIMPLE_CALL>: Skip calls to internal functions.
997
998 2012-05-18  David S. Miller  <davem@davemloft.net>
999
1000         Backport r185385 from mainline
1001         2012-03-14  Richard Guenther  <rguenther@suse.de>
1002
1003         PR middle-end/52584
1004         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1005         element type instead of mode, use build_vector_type_for_mode
1006         instead of the langhook, build a vector of proper signedness.
1007         (expand_vector_operations_1): Adjust.
1008
1009 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1010
1011         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1012         $(libsubdir) as libexecsubdir.
1013
1014 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1015
1016         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1017         GIMPLE_ASSIGN.
1018
1019 2012-05-16  David S. Miller  <davem@davemloft.net>
1020
1021         * jump.c (delete_related_insns): If we remove a CALL, make sure
1022         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1023
1024 2012-05-16  Richard Henderson  <rth@redhat.com>
1025
1026         PR debug/52727
1027         * combine-stack-adj.c (prev_active_insn_bb): New.
1028         (next_active_insn_bb): New.
1029         (force_move_args_size_note): New.
1030         (combine_stack_adjustments_for_block): Use it.
1031
1032 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1033
1034         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1035         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1036         Add comments and improve stamp preservation across the whole sequence.
1037         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1038
1039 2012-05-16  Richard Guenther  <rguenther@suse.de>
1040
1041         PR tree-optimization/53364
1042         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1043         detect a view-conversion of the decl.
1044
1045 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1046
1047         PR target/53358
1048         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1049         that operands[2] is either immediate, or q_regs_operand.
1050
1051 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1052
1053         Backport r187139 from mainline.
1054         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1055
1056         PR rtl-optimization/52804
1057         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1058         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1059         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1060         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1061         RELOAD_FOR_OUTADDR_ADDRESS.
1062
1063 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1064
1065         PR target/46098
1066         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1067         generate target register for "load" class builtins.
1068
1069         Revert:
1070         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1071
1072         PR target/46098
1073         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1074         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1075         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1076         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1077         (<sse>_movu<ssemodesuffix>): New expander.
1078         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1079         (avx_movdqu<avxmodesuffix>): New expander.
1080         (*sse2_movdqu): Rename from sse2_movdqu.
1081         (sse2_movdqu): New expander.
1082
1083 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1084
1085         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1086         lineno 1 the same as lineno 0 before first start file directive.
1087         (optimize_macinfo_range): Likewise.
1088
1089         * dwarf2out.c (have_macinfo): Define.
1090         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1091         attribute, don't force empty compilation unit and don't emit any
1092         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1093
1094 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1095
1096         Backport from mainline
1097         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1098
1099         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1100         ORDERED and UNORDERED conditions.
1101
1102 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1103
1104         * function.c (requires_stack_frame_p): If the function can throw
1105         non-call exceptions, return true if the insn can throw internally.
1106
1107 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1108
1109         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1110         DECL_ORIGINAL_TYPE if it is present.
1111
1112 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1113
1114         Backport from 2012-05-12 mainline r187342.
1115
1116         PR target/53256
1117         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1118         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1119         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1120         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1121         (expand_prologue): Move initialization of cfun->machine->is_naked,
1122         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1123         (avr_set_current_function): ...this new static function.
1124         (TARGET_SET_CURRENT_FUNCTION): New define.
1125         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1126         checking attributes of current_function_decl.
1127         (avr_regs_to_save): Ditto.
1128         (signal_function_p): Rename to avr_signal_function_p.
1129         (interrupt_function_p): Rename to avr_interrupt_function_p.
1130
1131         * doc/extend.texi (Function Attributes): Better explanation of
1132         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1133         alphabetical order.
1134
1135 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1136
1137         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1138
1139 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1140
1141         PR target/53272
1142         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1143         when a constant source operand matches an "I" constraint, the "no
1144         CC0 change" applies to a register-destination only, not a
1145         strict_low_part-destination.
1146
1147 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1148
1149         Backport from mainline:
1150         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1151
1152         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1153
1154 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1155
1156         PR tree-optimization/53239
1157         * tree-vrp.c (get_value_range): Set VR of
1158         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1159         to nonnull.
1160
1161 2012-05-07  Richard Guenther  <rguenther@suse.de>
1162
1163         PR tree-optimization/53195
1164         * tree-inline.c (setup_one_parameter): Properly add referenced
1165         vars from the parameters new known value.
1166
1167 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1168
1169         Backport from mainline:
1170         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1171
1172         PR target/52999
1173         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1174         in constant pool.
1175
1176 2012-05-04  Ian Lance Taylor  <iant@google.com>
1177
1178         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1179         values from false to NULL.
1180
1181 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1182
1183         Backport from mainline
1184         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1185
1186         PR target/53228
1187         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1188         (TARGET_CMOV): Rename from TARGET_CMOVE.
1189         (TARGET_CMOVE): New define.
1190         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1191         Do not set TARGET_CMOVE here.
1192
1193 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1194
1195         Backport from mainline:
1196
1197         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1198
1199         PR tree-optimization/52633
1200         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1201         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1202         (vect_recog_over_widening_pattern): Remove handling of code that was
1203         already detected as over-widening pattern.  Remove special handling
1204         of "unsigned" cases.  Instead, support general case of conversion
1205         of the shift result to another type.
1206
1207         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1208
1209         * tree-vect-patterns.c (vect_single_imm_use): New function.
1210         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1211         (vect_recog_over_widening_pattern): Likewise.
1212         (vect_recog_widen_shift_pattern): Likewise.
1213
1214         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1215
1216         PR tree-optimization/52870
1217         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1218         presumed pattern statement is within the same loop or basic block.
1219
1220 2012-05-04  Richard Guenther  <rguenther@suse.de>
1221
1222         * common.opt (flto-report): Do not mark as Optimization.
1223
1224 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1225
1226         PR target/48496
1227         * recog.c (constrain_operands): If extra constraints are present, also
1228         accept pseudo-registers with equivalent memory locations during reload.
1229
1230 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1231
1232         Backport from the mainline
1233         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1234
1235         PR target/53199
1236         * config/rs6000/rs6000.md (bswapdi splitters): If
1237         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1238         default) is used, generate an alternate sequence that does not
1239         depend on using indexed addressing.
1240
1241 2012-05-03  David S. Miller  <davem@davemloft.net>
1242
1243         PR target/52684
1244         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1245         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1246         (sparc_emit_float_lib_cmp): Likewise.
1247
1248 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1249
1250         Backport from mainline
1251         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1252
1253         PR lto/52605
1254         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1255         of a variable when the contect is a function.
1256
1257 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1258
1259         PR plugins/53126
1260         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1261         append program name to it and pass that as first argument
1262         to make_relative_prefix.  Always pass standard_libexec_prefix
1263         as last argument to make_relative_prefix.  If
1264         make_relative_prefix returns NULL, fall back to
1265         standard_libexec_prefix.
1266
1267         PR debug/53174
1268         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1269         removed.
1270
1271         PR target/53187
1272         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1273         mode, return that mode.
1274
1275 2012-05-03  Richard Guenther  <rguenther@suse.de>
1276
1277         PR tree-optimization/53144
1278         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1279         Rename to ...
1280         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1281         with SSA name values.
1282         (vn_reference_lookup_3): Adjust callers.
1283
1284 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1285
1286         PR tree-optimization/53163
1287         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1288         return value from compute_all_dependences.
1289
1290         PR rtl-optimization/53160
1291         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1292         has been modified by ree pass already.
1293
1294 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1295
1296         Backport from mainline
1297         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1298
1299         PR middle-end/53136
1300         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1301         calls to cgraph_node_name in xstrdup.
1302         (ipa_make_edge_direct_to_target): Ditto.
1303         * tree-sra.c (convert_callers_for_node): Ditto.
1304         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1305         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1306         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1307         (cgraph_materialize_all_clones): Ditto.
1308         * ipa-inline.c (report_inline_failed_reason): Ditto.
1309         (want_early_inline_function_p): Ditto.
1310         (edge_badness): Ditto.
1311         (update_edge_key): Ditto.
1312         (flatten_function): Ditto.
1313         (ipa_inline): Ditto.
1314         (inline_always_inline_functions): Ditto.
1315         (early_inline_small_functions): Ditto.
1316
1317 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1318
1319         Backport from mainline
1320         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1321
1322         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1323         Introduce emul_name to select the right linker emulation for
1324         powerpc64-*-freebsd*.
1325         * configure: Regenerate.
1326         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1327         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1328         * config/rs6000/freebsd64.h: New file.
1329         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1330         POWERPC_FREEBSD.
1331         (rs6000_savres_strategy): Likewise.
1332         (rs6000_savres_routine_name): Likewise.
1333         (rs6000_elf_file_end): Likewise.
1334         * config/rs6000/t-freebsd64: New file.
1335         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1336         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1337
1338 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1339
1340         Backport from mainline
1341         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1342
1343         PR target/53138
1344         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1345
1346 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1347
1348         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1349         predicate to discriminate types.
1350
1351 2012-04-27  Richard Guenther  <rguenther@suse.de>
1352
1353         PR c/51527
1354         * convert.c (convert_to_integer): Avoid infinite recursion for
1355         target-defined built-in types.
1356
1357 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1358
1359         PR target/53120
1360         * config/cris/cris.md ("*andhi_lowpart_v32")
1361         ("*andqi_lowpart_v32"): Change first input-only operand from
1362         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1363         const_int-matching constraints for redundancy.
1364         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1365         three-operand alternative.
1366
1367 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1368
1369         Backport from mainline
1370         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1371
1372         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1373         (*addsi_2_zext): Ditto.
1374         (*add<mode>_3): Ditto.
1375         (*addsi_3_zext): Ditto.
1376         (*add<mode>_5): Ditto.
1377
1378 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1379
1380         PR c/52880
1381         * c-typeck.c (set_nonincremental_init,
1382         set_nonincremental_init_from_string): Pass true instead of false
1383         as IMPLICIT to add_pending_init.
1384
1385 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1386
1387         Backport from 2012-04-24 mainline r186768.
1388
1389         PR target/53065
1390         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1391
1392 2012-04-24  Richard Guenther  <rguenther@suse.de>
1393
1394         PR tree-optimization/53085
1395         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1396         stores.
1397
1398 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1399
1400         PR middle-end/53084
1401         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1402         of MEM_REF.
1403         (output_addressed_constants): Likewise.
1404
1405         PR middle-end/52999
1406         * varasm.c (get_section): Don't ICE for section conflicts with
1407         built-in section kinds.
1408
1409 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1410
1411         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1412
1413 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1414
1415         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1416
1417 2012-04-23  Richard Guenther  <rguenther@suse.de>
1418
1419         PR c/53060
1420         * c-typeck.c (build_binary_op): Fix typo.
1421
1422 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1423
1424         PR tree-optimizations/52891
1425         * tree-vect-patterns.c (adjust_bool_pattern): Use
1426         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1427         but with non-standard precision.
1428
1429 2012-04-22  Ian Lance Taylor  <iant@google.com>
1430
1431         * godump.c (go_output_typedef): Dump size of structs.
1432
1433 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1434
1435         Backport from mainline:
1436
1437         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1438         hints for 'A' operand types.
1439
1440 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1441
1442         Backport from 2012-04-19 mainline r186588.
1443
1444         PR target/53033
1445         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1446         the case *(X+const).
1447
1448 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1449
1450         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1451
1452 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1453
1454         PR target/53020
1455         * config/i386/sync.md (atomic_<code><mode>): Rename to
1456         atomic_<logic><mode>.
1457
1458 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1459
1460         Backport from mainline
1461         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1462
1463         PR target/52932
1464         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1465         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1466         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1467         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1468         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1469         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1470         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1471         gen_avx2_permvarv8sf.
1472
1473 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1474
1475         Backported from mainline
1476
1477         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1478         PR middle-end/52939
1479
1480         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1481         fold_ctor_reference returns a zero constant.
1482
1483 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1484
1485         Backported from mainline
1486         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1487
1488         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1489         and __ILP32__ for x32.
1490
1491 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1492
1493         Backport from mainline r186418.
1494
1495         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1496
1497         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1498         parameters vuse and vuse_escaped.
1499         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1500         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1501         vuse1 != vuse2.
1502
1503 2012-04-13  Richard Guenther  <rguenther@suse.de>
1504
1505         PR tree-optimization/52969
1506         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1507         the condition for the COND_EXPR and handle predicate negation
1508         by swapping the COND_EXPR arms.
1509
1510 2012-04-13  Richard Guenther  <rguenther@suse.de>
1511
1512         PR c/52862
1513         * convert.c (convert_to_pointer): Remove special-casing of
1514         zero.
1515
1516 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1517
1518         Backport from mainline
1519         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1520
1521         PR target/52775
1522         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1523         the list of options to enable the FCFID instruction.
1524         (TARGET_EXTRA_BUILTINS): Adjust comment.
1525
1526 2012-04-12  Richard Guenther  <rguenther@suse.de>
1527
1528         PR tree-optimization/52943
1529         * tree-chrec.h (chrec_is_positive): Remove.
1530         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1531         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1532         Return false for a constant zero instead of negative.
1533         (analyze_siv_subscript_cst_affine): Handle zero difference
1534         in the initial condition explicitely.
1535
1536 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1537
1538         PR middle-end/52894
1539         * varasm.c (process_pending_assemble_externals): Set
1540         pending_assemble_externals_processed true.
1541         (assemble_external): Call assemble_external_real if the pending
1542         assemble externals have been processed.
1543
1544 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1545
1546         PR target/52717
1547         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1548         the DECL generated for the special GOT helper.
1549
1550 2012-04-06  Walter Lee  <walt@tilera.com>
1551
1552         Backport from mainline
1553         2012-03-07  Walter Lee  <walt@tilera.com>
1554
1555         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1556         REG_CFA_* notes for the stack pointer.
1557         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1558         EH_RETURN_STACKADJ_RTX.
1559         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1560         generate REG_CFA_* notes for the stack pointer.
1561         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1562         by EH_RETURN_STACKADJ_RTX.
1563
1564 2012-04-06  Matt Turner  <mattst88@gmail.com>
1565
1566         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1567
1568 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1569
1570         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1571         of the destination isn't also a FP_REGS register.
1572
1573 2012-04-03  Richard Guenther  <rguenther@suse.de>
1574
1575         Backport from mainline
1576         2012-03-02  Richard Guenther  <rguenther@suse.de>
1577
1578         PR tree-optimization/52406
1579         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1580         (struct indices): Add unconstrained_base member.
1581         (struct dr_alias): Remove unused vops member.
1582         (DR_UNCONSTRAINED_BASE): New define.
1583         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1584         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1585         be an artificial access that covers the whole indexed object,
1586         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1587         plain decl base-objects to their MEM_REF variant.
1588         (dr_may_alias_p): When the base-object of either data reference
1589         has unknown size use only points-to information.
1590         (compute_affine_dependence): Make dumps easier to read and
1591         more verbose.
1592         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1593         DR_REF when looking for packed references.
1594         (vect_supportable_dr_alignment): Likewise.
1595
1596 2012-04-03  Richard Guenther  <rguenther@suse.de>
1597
1598         Backport from mainline
1599         2012-03-15  Richard Guenther  <rguenther@suse.de>
1600
1601         PR middle-end/52580
1602         * tree-data-ref.c (subscript_dependence_tester_1): Check
1603         all dimensions for non-conflicting access functions.
1604
1605 2012-04-03  Richard Guenther  <rguenther@suse.de>
1606
1607         Backport from mainline
1608         2012-03-06  Richard Guenther  <rguenther@suse.de>
1609
1610         PR middle-end/52493
1611         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1612
1613         2012-03-23  Richard Guenther  <rguenther@suse.de>
1614
1615         PR tree-optimization/52678
1616         * tree-vectorizer.h (struct _stmt_vec_info): Add
1617         loop_phi_evolution_part member.
1618         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1619         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1620         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1621         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1622         Use the cached evolution part and the PHI nodes value from
1623         the loop preheader edge instead of re-analyzing the evolution.
1624
1625         2012-03-26  Richard Guenther  <rguenther@suse.de>
1626
1627         PR tree-optimization/52701
1628         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1629         compute and set the evolution part of PHI nodes.
1630
1631         2012-03-30  Richard Guenther  <rguenther@suse.de>
1632
1633         PR tree-optimization/52754
1634         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1635         propagate arbitrary addresses into really plain dereferences.
1636
1637 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1638
1639         PR tree-optimization/52835
1640         * tree-data-ref.c (build_rdg): Return NULL if
1641         compute_data_dependences_for_loop failed.
1642
1643 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1644
1645         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1646         (stmt_can_make_abnormal_goto): Use it.
1647         (is_ctrl_altering_stmt): Likewise.
1648
1649 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1650
1651         Backported from mainline
1652         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1653
1654         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1655         is a builtin_stack_save in a dominating BB.
1656
1657 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1658
1659         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1660         crossing 128bit lane boundary.
1661
1662 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1663
1664         Backported from mainline
1665         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1666
1667         PR target/52698
1668         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1669         New prototype.
1670         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1671         * config/i386/i386.c: Include reload.h.
1672         (ix86_legitimize_reload_address): New function.
1673
1674 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1675
1676         Backported from mainline
1677         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1678
1679         PR middle-end/52693
1680         * tree-sra.c (sra_modify_assign): Do not call
1681         load_assign_lhs_subreplacements when working with an unscalarizable
1682         region.
1683
1684 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1685
1686         PR middle-end/52691
1687         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1688         __builtin_va_start to __builtin_next_arg if the latter is
1689         builtin_decl_explicit_p rather than when it is not.
1690
1691         PR middle-end/52750
1692         * tree-vect-generic.c (vector_element): Perform multiplication
1693         for pos in bitsizetype type instead of idx type.
1694
1695 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1696
1697         Backport from 2012-03-28 mainline r185910.
1698
1699         PR target/52692
1700         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1701         (avr_builtin_decl): New static function.
1702         (struct avr_builtin_description, avr_bdesc): Move up.
1703         Add GTY marker. Add field fndecl. Remove redundant field id.
1704         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1705         (avr_expand_builtin): Code cleanup because .id is removed.
1706
1707 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1708
1709         PR middle-end/51893
1710         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1711         targets.
1712
1713 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1714
1715         Backport from 2012-03-28 mainline r185907.
1716
1717         PR target/52737
1718         * config.gcc (tm_file): Remove avr/multilib.h.
1719
1720         * doc/invoke.texi (AVR Options): Adjust
1721         documentation of -mtiny-stack.
1722
1723         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1724         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1725         * config/avr/t-avr: Remove generation of multilib.h.
1726         * config/avr/t-multilib: Regenerate.
1727         * config/avr/multilib.h: Remove.
1728         * config/avr/avr.opt (-msp8): New option.
1729         (avr_sp8): New variable.
1730         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1731         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1732         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1733         (avr_device_to_sp8): New prototype.
1734         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1735         (DRIVER_SELF_SPECS): New define.
1736         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1737         __AVR_SP8__, __AVR_HAVE_SPH__.
1738         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1739         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1740         (avr_file_start): Ditto.
1741
1742 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1743
1744         PR target/52736
1745         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1746         instead of 8 in adjust_address.
1747
1748 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1749
1750         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1751         of a unit before computing the offset in units.
1752
1753 2012-03-27  Richard Guenther  <rguenther@suse.de>
1754
1755         PR middle-end/52720
1756         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1757         explicitely.
1758
1759 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1760
1761         PR target/52610
1762         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1763
1764 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1765
1766         PR middle-end/52640
1767         * varasm.c: Include pointer-set.h.
1768         (pending_assemble_externals_set): New pointer set.
1769         (process_pending_assemble_externals): Destroy the pointer set.
1770         (assemble_external): See if decl is in pending_assemble_externals_set,
1771         and add it to pending_assemble_externals if necessary.
1772         (init_varasm_once): Allocate pending_assemble_externals_set.
1773
1774 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1775
1776         Backported from mainline
1777         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1778
1779         PR target/50310
1780         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1781         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1782         (vector_ltgt<mode>): Likewise.
1783         (vector_ordered<mode>): Likewise.
1784         (vector_unordered<mode>): Likewise.
1785         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1786
1787 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1788
1789         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1790         Make static.
1791
1792 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1793
1794         Backported from mainline
1795         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1796
1797         PR target/48596
1798         PR target/48806
1799         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1800         GENERAL_REGS and FP_REGS for SImode.
1801
1802 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1803
1804         PR middle-end/52547
1805         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1806         on any new_local_var_chain vars declared during recursing on
1807         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1808
1809 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1810
1811         Backport from 2012-03-22 mainline r185692.
1812
1813         PR target/52496
1814         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1815         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1816         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1817         (delay_cycles_1, delay_cycles_2): Ditto.
1818         (delay_cycles_3, delay_cycles_4): Ditto.
1819         (nopv, *nopv): Ditto.
1820         (sleep, *sleep): Ditto.
1821         (wdr, *wdr): Ditto.
1822
1823         Backport from 2012-03-21 mainline r185605.
1824
1825         PR rtl-optimization/52543
1826         PR target/52461
1827         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1828         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1829         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1830         (avr_load_libgcc_p): Restrict to __flash loads.
1831         (avr_out_lpm): Only handle 1-byte loads from __flash.
1832         (avr_load_lpm): New function.
1833         (avr_find_unused_d_reg): Remove.
1834         (avr_out_lpm_no_lpmx): Remove.
1835         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1836         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1837         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1838         (load_<mode>, load_<mode>_clobber): New insns.
1839         (mov<mode>): For multi-byte move from non-generic
1840         16-bit address spaces: Expand to load_<mode> resp.
1841         load_<mode>_clobber.
1842         (load<mode>_libgcc): Remove expander.
1843         (split-lpmx): Remove split.
1844
1845         Backport from 2012-03-13 mainline r185329.
1846
1847         PR target/52488
1848         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1849         offset (size) to a value the insns can deal with.
1850         (expand_epilogue): Ditto.
1851
1852         Backport from 2012-03-12 mainline r185256.
1853
1854         PR target/52499
1855         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1856         type from reg_class_t to enum reg_class.
1857         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1858
1859         Backport from 2012-03-12 mainline r185253.
1860
1861         PR target/52148
1862         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1863         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1864         r184615 from 2012-02-28.
1865
1866         Backport from 2012-03-08 mainline r185105.
1867
1868         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1869         for constants in [-63,63].
1870
1871         Backport from 2012-03-08 mainline r185100.
1872
1873         PR target/52496
1874         * config/avr/avr.c (avr_mem_clobber): New static function.
1875         (avr_expand_delay_cycles): Add memory clobber operand to
1876         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1877         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1878         (enable_interrupt, disable_interrupt): New expander.
1879         (nopv, sleep, wdr): New expanders.
1880         (delay_cycles_1): Add memory clobber.
1881         (delay_cycles_2): Add memory clobber.
1882         (delay_cycles_3): Add memory clobber.
1883         (delay_cycles_4): Add memory clobber.
1884         (cli_sei): New insn from former "enable_interrupt",
1885         "disable_interrupt" with memory clobber.
1886         (*wdt): New insn from former "wdt" with memory clobber.
1887         (*nopv): Similar, but for "nopv".
1888         (*sleep): Similar, but for "sleep".
1889
1890         Backport from 2012-03-07 mainline r185043.
1891
1892         PR target/52484
1893         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1894
1895         Backport from 2012-03-07 mainline r185032.
1896
1897         PR target/52506
1898         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1899         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1900         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1901
1902         Backport from 2012-03-07 mainline r185031.
1903
1904         PR target/52505
1905         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1906         from RAM.
1907         * config/avr/avr.md (xload_8): Adjust insn length.
1908
1909         Backport from 2012-03-07 mainline r185030.
1910
1911         PR target/52461
1912         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1913         if RAMPZ affects reading from RAM.
1914
1915         Backport from 2012-03-05 mainline r184919.
1916
1917         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1918
1919 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1920
1921         Backport from mainline r185259.
1922
1923         PR other/52545
1924         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1925         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1926
1927 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1928
1929         Backported from mainline
1930         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1931
1932         PR c/52577
1933         * c-parser.c (c_parser_postfix_expression)
1934         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1935
1936         * config/i386/smmintrin.h: Avoid /* within a comment.
1937         * config/i386/nmmintrin.h: Likewise.
1938
1939 2012-03-22  Richard Guenther  <rguenther@suse.de>
1940
1941         * BASE-VER: Set to 4.7.1.
1942         * DEV-PHASE: Set to prerelease.
1943
1944 2012-03-22  Release Manager
1945
1946         * GCC 4.7.0 released.
1947
1948 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1949
1950         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1951
1952 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1953             Andrew Pinski  <apinski@cavium.com>
1954
1955         PR middle-end/52592
1956         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1957         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1958         calls instead of __builtin_ir{int,ound}*.
1959
1960 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1961
1962         PR c++/52582
1963         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1964         if c_node is NULL.
1965
1966 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1967
1968         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1969         Refer to GCC 4.7 version of c99status.html.
1970
1971 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1972
1973         Backport from mainline
1974         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1975
1976         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1977         redefine to be NULL if the current bit-size is different from the
1978         configured bit-size.
1979
1980         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1981         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1982         set the default tuning.  Add asserts to make sure the cpu and tune
1983         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1984         test whether the index is set, instead of > 0.
1985         (rs6000_file_start): Do not reset the default cpu if the current
1986         bit-size is different from the configured bit-size.
1987
1988 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1989
1990         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1991         binutils reference.
1992         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1993         Update binutils references.
1994         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1995         Update binutils reference.
1996         Update Sun as/GNU ld caveat.
1997         Document binutils largefile requirement for LTO plugin.
1998         Remove reference to alternate libpthread.
1999
2000 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2001
2002         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2003         reference.
2004         (Specific, mips-sgi-irix6): Likewise.
2005
2006 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2007
2008         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2009         * configure: Regenerate.
2010
2011 2012-03-07  Richard Henderson  <rth@redhat.com>
2012
2013         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2014         * config/m68k/sync.md (atomic_test_and_set): Use it.
2015         (atomic_test_and_set_1): Likewise.
2016
2017 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
2018
2019         PR target/51417
2020         * Makefile.in: Let install-gcc-ar depend on installdirs,
2021         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2022         Don't double canonicalize if cross-compiling.
2023
2024 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2025
2026         * trans-mem.c: New typedef for tm_region_p.
2027         Define vector types for tm_region_p.
2028         (tm_region_init): Replace region_worklist to a vector called
2029         bb_regions.
2030
2031 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2032
2033         PR middle-end/52463
2034         * trans-mem.c (tm_region_init): Use last_basic_block.
2035
2036 2012-03-05  Richard Henderson  <rth@redhat.com>
2037
2038         PR tree-opt/52242
2039         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2040         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2041         BIGGEST_ALIGNMENT is aligned.
2042
2043 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2044
2045         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2046
2047 2012-03-05  Richard Henderson  <rth@redhat.com>
2048
2049         PR target/52481
2050         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2051         instead of calling negqi2 directly.
2052
2053 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2054
2055         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2056         (INTMAX_TYPE): Use it.
2057         (UINTMAX_TYPE): Likewise.
2058         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2059         (irix6_c_common_override_options): Declare.
2060         (C_COMMON_OVERRIDE_OPTIONS): Define.
2061         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2062         * config/mips/irix6-c.c: New file.
2063         * config/mips/t-irix6 (irix6-c.o): New target.
2064         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2065         cxx_target_objs.
2066
2067 2012-03-02  Richard Henderson  <rth@redhat.com>
2068
2069         * optabs.c (expand_atomic_test_and_set): Honor
2070         atomic_test_and_set_trueval even when atomic_test_and_set
2071         optab is not in use.
2072
2073 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2074
2075         Backport from mainline
2076         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2077
2078         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2079
2080 2012-03-02  Richard Guenther  <rguenther@suse.de>
2081
2082         * DEV-PHASE: Set to prerelease.
2083
2084 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2085
2086         * config.gcc (obsolete): Add all ARM targets using the FPA.
2087         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2088         * doc/install.texi: Avoid references to obsolete ARM ports.
2089
2090 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2091
2092         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2093
2094 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2095             Joern Rennecke  <joern.rennecke@embecosm.com>
2096
2097         * doc/extend.texi: Expand and update information on interrupt
2098         attribute for Epiphany.
2099
2100 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2101
2102         * config/sh/sh-protos.h: Update copyright notice dates.
2103         * config/sh/sh.h: Likewise.
2104         * config/sh/sh.md: Likewise.
2105         * config/sh/constraints.md: Likewise.
2106         * config/sh/predicates.md: Likewise.
2107
2108 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2109
2110         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2111         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2112
2113 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2114
2115         * config/sh/constraints.md: Fix comment typo.
2116
2117 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2118
2119         PR target/52408
2120         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2121         unsigned HOST_WIDE_INT.
2122         (zvdep_imm64): Likewise.
2123         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2124         (vdepi_and): Likewise.
2125         Likewise for unamed 64-bit patterns.
2126         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2127
2128 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2129
2130         PR debug/52001
2131         PR rtl-optimization/52417
2132         * cselib.c (cselib_any_perm_equivs): New variable.
2133         (cselib_reset_table): Check that it's not set when not
2134         preserving constants.
2135         (cselib_add_permanent_equiv): Set it.
2136         (cselib_have_permanent_equivalences): New.
2137         (cselib_init, cselib_finish): Reset it.
2138         * cselib.h (cselib_have_permanent_equivalences): Declare.
2139         * alias.c (get_addr): Restore earlier behavior when there
2140         aren't permanent equivalences.
2141
2142 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2143
2144         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2145         * config/v850/v850-modes.def: Fix copyright notice.
2146
2147 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2148
2149         * doc/extend.texi (AVR Built-in Functions): Document
2150         __builtin_avr_flash_segment.
2151
2152         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2153         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2154         (*split.flash_segment): New insn-and-split.
2155         * config/avr/avr.c (avr_init_builtins): Add local variables:
2156         const_memx_void_node, const_memx_ptr_type_node,
2157         char_ftype_const_memx_ptr.
2158
2159 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2160
2161         PR tree-optimization/52445
2162         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2163         add ssa_name_ver, offset and size fields and change store field
2164         to bool.
2165         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2166         (add_or_mark_expr): Likewise.  Only consider previous stores
2167         with the same size and offset.
2168         (nt_init_block): Only look at gimple_assign_single_p stmts,
2169         doesn't look at rhs2.
2170
2171 2012-03-01  Richard Guenther  <rguenther@suse.de>
2172
2173         PR middle-end/52443
2174         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2175         conversions from integral types to pointer types.
2176
2177 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2178
2179         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2180         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2181         unintentionally removed in r184616.
2182
2183 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2184
2185         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2186         3DNow from bdver1.
2187
2188 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2189             Uros Bizjak  <ubizjak@gmail.com>
2190
2191         PR target/52437
2192         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2193         alternatives, add "e" constraint to the new last alternative
2194         and ! to last 3 alternatives.
2195
2196 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2197
2198         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2199         DW_AT_artificial attributes at the end of the processing.
2200         (gen_array_type_die): Likewise.
2201         (gen_enumeration_type_die): Likewise.
2202         (gen_struct_or_union_type_die): Likewise.
2203         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2204         the parent type.
2205
2206 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2207
2208         PR middle-end/52419
2209         * expr.c (expand_assignment): If doing misaligned store that doesn't
2210         cover all mode bits, perform a RMW cycle.
2211
2212         PR tree-optimization/52429
2213         * tree-parloops.c (separate_decls_in_region_debug): Return early
2214         if var is LABEL_DECL.
2215
2216 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2217
2218         PR tree-optimization/52424
2219         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2220         calling dom_thread_across_edge.
2221
2222 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2223
2224         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2225
2226 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2227
2228         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2229         * config/avr/avr.c (avr_output_bld): Remove unused function.
2230         (avr_out_sbxx_branch): Use "%T" to print bit position.
2231
2232 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2233
2234         * config/avr/avr.md: Untabify.
2235
2236 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2237
2238         * config/avr/avr.md (eqne): New code iterator.
2239         (*dec-and-branchsi): Use it in text peephole's condition.
2240         (*dec-and-branchhi): Ditto.
2241         (*dec-and-branchqi): Ditto.
2242
2243 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2244
2245         PR target/49939
2246         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2247         the device does not have the skip-bug.
2248
2249 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2250
2251         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2252         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2253         -mpretend-cmove): New.
2254
2255 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2256
2257         PR bootstrap/52397
2258         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2259         doesn't count DEBUG_INSN refs.
2260         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2261         for DEBUG_INSN refs.
2262
2263 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2264
2265         Partially revert:
2266
2267         2012-02-20  Richard Guenther  <rguenther@suse.de>
2268         PR tree-optimization/52298
2269         * tree-vect-stmts.c (vectorizable_load): Properly use
2270         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2271         outer loops.
2272
2273 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2274
2275         PR middle-end/51752
2276         * gimple.h (gimple_in_transaction): New.
2277         (gimple_set_in_transaction): New.
2278         (struct gimple_statement_base): Add in_transaction field.
2279         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2280         transaction loads.
2281         (tree_ssa_lim_initialize): Compute transaction bits.
2282         * tree.h (compute_transaction_bits): Protoize.
2283         * trans-mem.c (tm_region_init): Use the heap to store BB
2284         auxilliary data.
2285         (compute_transaction_bits): New.
2286
2287 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2288
2289         * gcc.c (display_help): Document --help=common and sort entries
2290         alphabetically.
2291
2292 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2293
2294         * doc/install.texi: Document check-$LANG specific shortcuts
2295
2296 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2297
2298         PR target/51534
2299         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2300         and vcgtu.
2301         * config/arm/arm_neon.h: Regenerate.
2302         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2303         (neon_vcgeu): New insn.
2304         (neon_vcgtu): Likewise.
2305         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2306         (ops): Unsigned comparison intrinsics call a different
2307         builtin.
2308
2309 2012-02-28  Richard Guenther  <rguenther@suse.de>
2310
2311         PR target/52407
2312         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2313         ordering for the VEC_CONCAT for two element vectors for
2314         V2SFmode, V2SImode and V2DImode.
2315
2316 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2317
2318         PR target/49448
2319         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2320         detecting big-endian triplets.
2321
2322 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2323
2324         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2325         mode if there is no type information available.
2326
2327 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2328
2329         PR tree-optimization/53207
2330         * doc/invoke.texi: Document as experimental and relying on graphite.
2331
2332 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2333
2334         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2335         of initializer to changes from r184614.
2336
2337 2012-02-28  Richard Guenther  <rguenther@suse.de>
2338
2339         PR tree-optimization/52395
2340         * tree-sra.c (build_ref_for_offset): Also look at the base
2341         TYPE_ALIGN when figuring out the alignment of the replacement.
2342
2343 2012-02-28  Richard Guenther  <rguenther@suse.de>
2344
2345         PR tree-optimization/52402
2346         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2347         mis-aligned types when creating the accesses at the call site.
2348
2349 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2350
2351         * config/avr/builtins.def: New file.
2352         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2353         * config/avr/avr.c (enum avr_builtin_id): Use it.
2354         (avr_init_builtins): Use it. And use avr_bdesc.
2355         (bdesc_1arg): Remove.
2356         (bdesc_2arg): Remove.
2357         (bdesc_3arg): Remove.
2358         (struct avr_builtin_description): Add field n_args.
2359         (avr_bdesc): New static variable using builtins.def.
2360         (avr_expand_builtin): Use it.
2361         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2362         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2363         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2364
2365 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2366
2367         PR target/52148
2368         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2369         match only one single hard register with respective hard reg rtx.
2370         (movmemx_<mode>): Ditto.
2371         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2372         insn anatomy of movmem[x]_<mode>.
2373         (avr_out_movmem): Same for printing assembler and operand usage.
2374
2375 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2376
2377         PR target/49868
2378         PR target/52261
2379         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2380         address spaces located outside of device flash.
2381
2382         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2383         (mcu_type_s): Add field n_flash.
2384         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2385         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2386         (AVR_MCU): Add N_FLASH argument.
2387         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2388         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2389         macro __FLASH<n> if that address space makes sense for the device.
2390         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2391         outside of target flash.
2392         (avr_asm_named_section): Ditto.
2393         (avr_asm_select_section): Ditto.
2394         (avr_addr_space_convert): Ditto.
2395         (avr_emit_movmemhi): Ditto.
2396         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2397         address space is outside of device flash.
2398         (avr_insert_attributes): Ditto.
2399         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2400         avr_current_arch->n_segments.
2401
2402 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2403
2404         PR target/52352
2405         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2406         TARGET_LP64.
2407         (*movabs<mode>_2): Likewise.
2408
2409 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2410
2411         PR target/52375
2412         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2413         s_register_operand in the test instead of REG_P.  Don't call
2414         gen_reg_rtx if it won't be used.
2415
2416         PR tree-optimization/52376
2417         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2418
2419 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2420
2421         * ifcvt.c (noce_get_condition): Check condition variable is not
2422         small_register_classes_for_mode_p before accepting.
2423
2424 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2425
2426         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2427
2428 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2429
2430         Revert:
2431         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2432         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2433         tuning parameters.
2434         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2435
2436 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2437
2438         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2439
2440 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2441
2442         * config/sh/predicates.md: Remove blank lines.
2443         * config/sh/sh.c: Fix typos in comments.
2444         * config/sh/constraints.md: Likewise.
2445         * config/sh/sh.md: Remove blank lines.
2446         Fix typos in comments.  Use ;; as comment characters.
2447
2448 2012-02-26  Walter Lee  <walt@tilera.com>
2449
2450         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2451         (replace_mov_pcrel_step2): Ditto.
2452
2453 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2454
2455         PR debug/52001
2456         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2457         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2458         and locs that reference values newer than the non-canonical value
2459         at hand.  Return the canonical value as a worst case.
2460         (memrefs_conflict_p): Walk canonical value's locs.
2461
2462         PR debug/52001
2463         * cselib.c (preserve_only_constants): Rename to...
2464         (preserve_constants_and_equivs): ... this.  Split out...
2465         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2466         of other preserved expressions too.
2467         (cselib_reset_table): Adjust.
2468         * var-tracking.c (reverse_op): Use canonical value to build
2469         reverse operation.
2470
2471 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2472
2473         * config/i386/i386.c (ix86_delegitimize_address): Handle
2474         UNSPEC_PCREL plus displacement.
2475
2476 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2477
2478         PR target/52261
2479         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2480         to test for unusedness in st X addressing.
2481
2482 2012-02-24  Richard Guenther  <rguenther@suse.de>
2483
2484         PR middle-end/52361
2485         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2486         (is_gimple_reg_type): Move inline ...
2487         * gimple.h (is_gimple_reg_type): ... here.
2488
2489 2012-02-24  Richard Guenther  <rguenther@suse.de>
2490
2491         PR middle-end/52361
2492         * passes.c (execute_function_todo): When verifying SSA form
2493         verify gimple form first.
2494         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2495
2496 2012-02-24  Richard Guenther  <rguenther@suse.de>
2497
2498         PR middle-end/52355
2499         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2500         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2501
2502 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2503
2504         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2505
2506 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2507
2508         * tree-phinodes.c (make_phi_node): Mark static.
2509         * tree-flow.h (make_phi_node): Remove extern decl.
2510         * doc/gimple.texi (make_phi_node): Remove documentation.
2511
2512 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2513
2514         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2515         * tree-ssa-sccvn.c (print_scc): Ditto.
2516
2517 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2518
2519         * doc/passes.texi (Full redundancy elimination): Fix typo.
2520
2521 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2522
2523         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2524
2525 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2526
2527         PR bootstrap/52287
2528         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2529
2530 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2531
2532         PR c/52290
2533         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2534
2535 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2536
2537         * config/avr/avr.md (code_stdname): Add ior, xor.
2538         (xior): New code iterator.
2539         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2540         (*<code_stdname><mode>qi.byte1-3): Ditto.
2541
2542 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2543
2544         PR tree-optimization/52019
2545         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2546         CLOBBER stmts.
2547
2548 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2549
2550         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2551         HAVE_INITFINI_ARRAY to work around namespace pollution in
2552         certain versions of newlib system headers.
2553         * config.in: Regenerate.
2554         * configure: Regenerate.
2555         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2556         instead of HAVE_INITFINI_ARRAY.
2557
2558 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2559
2560         PR target/52330
2561         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2562         is not offsettable memory reference.
2563
2564 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2565
2566         PR target/18145
2567         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2568         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2569
2570 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2571
2572         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2573         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2574
2575 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2576
2577         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2578         library on Solaris 8 even without TLS support.
2579         * configure: Regenerate.
2580
2581 2012-02-22  Richard Guenther  <rguenther@suse.de>
2582
2583         PR middle-end/52329
2584         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2585         for GIMPLE_DEBUG stmts.
2586
2587 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2588
2589         PR middle-end/51782
2590         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2591         according to the base object.
2592
2593 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2594
2595         PR rtl-optimization/50063
2596         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2597         and 2 (8-bit SP) in operand 2.
2598         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2599         setup to use movhi_sp_r instead of vanilla move to write SP.
2600         Adjust REG_CFA notes to superseed unspec.
2601         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2602         of vanilla move.
2603         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2604         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2605         irq_state 1 (IRQ known to be on) here.
2606
2607 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2608
2609         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2610         WORDS_BIG_ENDIAN.
2611         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2612         assign_hard_reg): Likewise.
2613
2614 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2615
2616         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2617
2618 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2619
2620         * config/avr/avr.md
2621         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2622         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2623
2624 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2625
2626         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2627         prototype from here to...
2628         * config/avr/avr.h: ...here.
2629
2630 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2631
2632         PR target/52294
2633         * thumb2.md (thumb2_shiftsi3_short): Split register and
2634         immediate shifts.  For register shifts tie operands 0 and 1.
2635         (peephole2 for above): Check that register-controlled shifts
2636         have suitably tied operands.
2637
2638 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2639
2640         PR target/52137
2641         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2642         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2643         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2644         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2645         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2646         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2647         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2648         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2649         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2650         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2651         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2652         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2653         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2654         bdver1_ssevector_avx256_unaligned_load,
2655         bdver1_ssevector_sse128_unaligned_load,
2656         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2657         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2658         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2659         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2660         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2661         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2662         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2663         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2664         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2665         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2666         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2667         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2668         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2669         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2670         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2671         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2672         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2673         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2674         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2675         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2676         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2677         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2678         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2679         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2680         bdver1_ssediv_double_load, bdver1_ssediv_double,
2681         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2682         Add "bdver2" attribute.
2683
2684 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2685
2686         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2687         default if possible and not specified otherwise.
2688
2689 2012-02-21  Richard Guenther  <rguenther@suse.de>
2690
2691         PR middle-end/52314
2692         * gimplify.c (create_tmp_from_val): Use the main variant type
2693         for the type of the temporary we create.
2694
2695 2012-02-21  Richard Guenther  <rguenther@suse.de>
2696
2697         PR tree-optimization/52324
2698         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2699         do not gimplify a MEM_REF address operand if it is already
2700         in suitable form.
2701
2702 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2703
2704         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2705         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2706
2707 2012-02-21  Richard Guenther  <rguenther@suse.de>
2708
2709         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2710         nested_in_vect_loop.
2711
2712 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2713
2714         PR tree-optimization/52318
2715         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2716         vdef also to non-pure/const call stmts in the sequence.
2717
2718 2012-02-20  David S. Miller  <davem@davemloft.net>
2719
2720         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2721         don't use the "rd %pc" instruction on v9 for PIC register loads.
2722
2723 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2724
2725         PR middle-end/52141
2726         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2727         in a transaction safe function.
2728
2729 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2730
2731         PR target/52238
2732         * stor-layout.c (place_field): Handle desired_align for
2733         ms-bitfields, too.
2734
2735 2012-02-20  Richard Guenther  <rguenther@suse.de>
2736
2737         PR tree-optimization/52298
2738         * tree-vect-stmts.c (vectorizable_store): Properly use
2739         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2740         outer loops.
2741         (vectorizable_load): Likewise.
2742         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2743         Access DR_STEP after ensuring it is not NULL.
2744
2745 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2746
2747         PR tree-optimization/52286
2748         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2749         optimization use double_int_to_tree instead of build_int_cst_wide,
2750         rewrite to use double_int vars.
2751
2752 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2753
2754         PR target/50166
2755         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2756         Define _start.
2757         Remove -e 0 from $gcc_cv_ld invocation.
2758         Only use __GLIBC_PREREQ if defined.
2759         Enable on Solaris since Solaris 8 patch.
2760         (gcc_SUN_LD_VERSION): New macro.
2761         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2762         gcc_SUN_LD_VERSION for version number format.
2763         * configure: Regenerate.
2764         * varasm.c (get_elf_initfini_array_priority_section): Set
2765         SECTION_NOTYPE for non-default priority.
2766         Use get_section instead of get_unnamed_section to emit
2767         .init_array/.fini_array with default priority.
2768
2769 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2770
2771         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2772         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2773         (mips_start_unique_function, mips_output_mips16_rdhwr)
2774         (mips_code_end): New functions.
2775         (TARGET_ASM_CODE_END): Define.
2776
2777 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2778
2779         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2780         to stubs with non-sibling calls.
2781
2782 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2783
2784         * doc/invoke.texi (-fira-* options): Copy-edit.
2785         (ira-* parameters): Copy-edit.
2786
2787 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2788
2789         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2790         GCC coding conventions.
2791
2792 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2793
2794         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2795         when used as adjectives.
2796
2797 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2798
2799         * doc/invoke.texi: Clean up "that"/"which" confusion.
2800
2801 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2802
2803         * system.h: Poison SMALL_REGISTER_CLASSES
2804         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2805         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2806
2807 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2808
2809         PR tree-optimization/52285
2810         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2811         when deciding if a call is a tail call or tail recursion.
2812
2813 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2814
2815         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2816         interger-constant displacement for UNSPEC_PCREL.
2817
2818 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2819
2820         PR rtl-optimization/52208
2821         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2822         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2823
2824         PR tree-optimization/52255
2825         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2826         loop->header has virtual PHI, but exit_e->dest doesn't, add
2827         virtual PHI to exit_e->dest and adjust all uses after the loop.
2828
2829         PR debug/52260
2830         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2831         children with clone_tree_hash, not after it.
2832
2833 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2834
2835         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2836         extended identifiers.
2837
2838 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2839
2840         PR middle-end/51929
2841         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2842         a same_body_alias, also test whether e->callee isn't a former
2843         or current clone of the decl this is a same body alias of.
2844
2845         PR translation/52264
2846         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2847
2848 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2849
2850         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2851
2852 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2853
2854         PR target/52199
2855         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2856         force_reg instead of copy_to_reg for better optimization.  Force
2857         non-register or memory operands into a register.
2858
2859 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2860
2861         * extend.texi: Reserve upper bits of memory model for future use.
2862
2863 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2864             Anatoly Sokolov <aesok@post.ru>
2865             Eric Weddington <eric.weddington@atmel.com>
2866
2867         PR target/52261
2868         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2869         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2870         Rewrite initializers for .macro.
2871         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2872         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2873         atxmega32d4, atxmega32x1.
2874         avrxmega4: atxmega64a3, atxmega64d3.
2875         avrxmega5: atxmega64a1, atxmega64a1u.
2876         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2877         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2878         avrxmega7: atxmega128a1, atxmega128a1u.
2879         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2880         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2881         (struct base_arch_s): Rename reserved to xmega_p.
2882         Rename reserved2 to have_rampd.
2883         (AVR_XMEGA): New define.
2884         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2885         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2886         * config/avr/predicates.md (io_address_operand): Take into
2887         account SFR offset.
2888         (low_io_address_operand): Ditto.
2889         (high_io_address_operand): Ditto.
2890         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2891         (enabled, movhi_sp_r): Use them.
2892         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2893         cpp_define_formatted to built-in define __AVR_ARCH__.
2894         (__AVR_XMEGA__): New built-in define.
2895         (__AVR_HAVE_RAMPD__): New built-in define.
2896         (__AVR_HAVE_RAMPX__): New built-in define.
2897         (__AVR_HAVE_RAMPY__): New built-in define.
2898         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2899
2900         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2901         (avr_option_override): Initialize them.
2902         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2903         (avr_init_expanders): Initialize them. No more block several calls.
2904         (emit_push_sfr): New static function.
2905         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2906         Handle AVR_XMEGA.
2907         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2908         (avr_print_operand): Print addreeses as symbols for
2909         RAMPX, RAMPY, RAMPD, CCP.
2910         (output_movhi): Handle AVR_XMEGA when writing to SP.
2911         (avr_out_movhi_mr_r_xmega): New static function.
2912         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2913         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2914         __RAMPD__,  __CCP__ as needed.
2915
2916         * config/avr/multilib.h: Regenerate.
2917         * config/avr/t-multilib: Regenerate.
2918         * config/avr/avr-tables.opt: Regenerate.
2919
2920 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2921
2922         PR tree-optimization/50561
2923         * graphite-flattening.c (lst_project_loop): Do not
2924         remove old scattering dimensions after flattening.
2925         (lst_do_flatten): Likewise.
2926
2927 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2928
2929         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2930         __builtin_avr_map8, __builtin_avr_map16.
2931         Document __builtin_avr_insert_bits.
2932
2933         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2934         (insert_bits): New insn.
2935         (adjust_len.map_bits): Rename to insert_bits.
2936         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2937         * avr-protos.h (avr_out_map_bits): Remove.
2938         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2939         * config/avr/constraints.md (Cxf,C0f): New.
2940         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2941         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2942         New built-in define __BUILTIN_AVR_INSERT_BITS.
2943         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2944         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2945         (avr_move_bits): Rewrite.
2946         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2947         functions.
2948         (avr_map_op_t): New typedef.
2949         (avr_map_op): New static variable.
2950         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2951         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2952         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2953         (bdesc_3arg, avr_expand_triop_builtin): New.
2954         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2955         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2956         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2957         (avr_map_equal_p, avr_map_sig_p): Remove.
2958         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2959         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2960         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2961         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2962         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2963         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2964
2965 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2966
2967         * config/c6x/c6x.md (reserve_cycles): New attribute.
2968         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2969         don't reserve functional units after the branch occurs.
2970
2971 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2972
2973         PR middle-end/52142
2974         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2975         functions into non-tm_pure functions.
2976
2977 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2978
2979         PR lto/52178
2980         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2981         (iterative_hash_canonical_type): Likewise.
2982         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2983         the dead edges.
2984
2985 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2986
2987         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2988         sched-group insn, it either remains alone or the entire list is pruned.
2989
2990 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2991
2992         * doc/install.texi (Prerequisites): Fix grammar.
2993         (Configuration): Likewise.
2994
2995 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2996
2997         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2998         MPC as part of GCC before describing configuring with --with-gmp etc.
2999         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3000         sources are present.
3001
3002 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3003
3004         PR debug/51950
3005         * dwarf2out.c (clone_tree_hash): New function.
3006         (copy_decls_walk): Use it instead of clone_tree.
3007
3008 2012-02-14  Richard Guenther  <rguenther@suse.de>
3009
3010         PR tree-optimization/52244
3011         PR tree-optimization/51528
3012         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3013         replacements for integral types.
3014
3015 2012-02-14  Walter Lee  <walt@tilera.com>
3016
3017         * config.gcc: Handle tilegx and tilepro.
3018         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3019         tilegx and tilepro.
3020         Add HAVE_AS_TLS check for tilegx and tilepro.
3021         * configure: Regenerate.
3022         * doc/contrib.texi: Add Mat Hostetter and self.
3023         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3024         Document instruction intrinsics and network accessing intrinsics.
3025         (TILEPro Built-in Functions): New node.  Document instruction
3026         intrinsics and network accessing intrinsics.
3027         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3028         (Specific, tilepro-*-linux*): Likewise.
3029         * doc/invoke.texi (TILE-Gx Options): New section.
3030         (TILEPro Options): New section.
3031         * doc/md.texi (TILE-Gx): New section.
3032         (TILEPro): New section.
3033         * common/config/tilegx/tilegx-common.c: New file.
3034         * common/config/tilepro/tilepro-common.c: New file.
3035         * config/tilegx/constraints.md: New file.
3036         * config/tilegx/linux.h: New file.
3037         * config/tilegx/mul-tables.c: New file.
3038         * config/tilegx/predicates.md: New file.
3039         * config/tilegx/sync.md: New file.
3040         * config/tilegx/t-tilegx: New file.
3041         * config/tilegx/tilegx-builtins.h: New file.
3042         * config/tilegx/tilegx-c.c: New file.
3043         * config/tilegx/tilegx-generic.md: New file.
3044         * config/tilegx/tilegx-modes.def: New file.
3045         * config/tilegx/tilegx-multiply.h: New file.
3046         * config/tilegx/tilegx-protos.h: New file.
3047         * config/tilegx/tilegx.c: New file.
3048         * config/tilegx/tilegx.h: New file.
3049         * config/tilegx/tilegx.md: New file.
3050         * config/tilegx/tilegx.opt: New file.
3051         * config/tilepro/constraints.md: New file.
3052         * config/tilepro/gen-mul-tables.cc: New file.
3053         * config/tilepro/linux.h: New file.
3054         * config/tilepro/mul-tables.c: New file.
3055         * config/tilepro/predicates.md: New file.
3056         * config/tilepro/t-tilepro: New file.
3057         * config/tilepro/tilepro-builtins.h: New file.
3058         * config/tilepro/tilepro-c.c: New file.
3059         * config/tilepro/tilepro-generic.md: New file.
3060         * config/tilepro/tilepro-modes.def: New file.
3061         * config/tilepro/tilepro-multiply.h: New file.
3062         * config/tilepro/tilepro-protos.h: New file.
3063         * config/tilepro/tilepro.c: New file.
3064         * config/tilepro/tilepro.h: New file.
3065         * config/tilepro/tilepro.md: New file.
3066         * config/tilepro/tilepro.opt: New file.
3067
3068 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3069
3070         PR tree-optimization/52210
3071         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3072         vect_model_simple_cost with two entry vect_def_type array instead
3073         of an address of dt.
3074
3075 2012-02-14  Richard Guenther  <rguenther@suse.de>
3076
3077         PR lto/52178
3078         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3079         Do not stream DECL_QUALIFIER.
3080         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3081         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3082         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3083
3084 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3085
3086         PR c/52181
3087         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3088         newdecl.
3089
3090 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3091
3092         PR bootstrap/52172
3093         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3094         * cselib.c (cselib_subst_to_values_from_insn): New function.
3095         * sched-deps.c (add_insn_mem_dependence,
3096         sched_analyze_1, sched_analyze_2): Use it.
3097
3098 2012-02-13  Jan Hubicka  <jh@suse.cz>
3099
3100         PR middle-end/52214
3101         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3102
3103 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3104
3105         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3106         (GTM_SELF_SPECS): Define if not already defined.
3107         (driver_self_specs): Add GTM_SELF_SPECS.
3108         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3109         (GTM_SELF_SPECS): Define.
3110         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3111         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3112
3113 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3114
3115         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3116         away if seen.
3117
3118         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3119
3120         PR middle-end/52230
3121         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3122         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3123
3124 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3125
3126         PR c/52190
3127         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3128
3129 2012-02-13  Richard Guenther  <rguenther@suse.de>
3130
3131         PR translation/52211
3132         * passes.c (enable_disable_pass): Fix typo.
3133
3134 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3135
3136         PR middle-end/52209
3137         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3138         XOR for reduce_bit_field if type is unsigned.
3139
3140 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3141
3142         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3143         disallow changes from SFmode to mode with different size in FP regs.
3144
3145 2012-02-12  Robert Millan  <rmh@gnu.org>
3146             Gerald Pfeifer <gerald@pfeifer.com>
3147
3148         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3149         Tweak comment.
3150
3151 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3152
3153         PR rtl-optimization/52175
3154         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3155         to frame-related instructions.
3156
3157 2012-02-10  Jason Merrill  <jason@redhat.com>
3158
3159         PR c++/51910
3160         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3161         (demangle_new_symbols): Fill it.
3162         (scan_linker_output): Walk it.
3163         (start_tweaking): Split out from scan_linker_output.
3164         (maybe_tweak): Update sym->chosen.
3165         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3166
3167 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3168
3169         PR debug/52132
3170         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3171
3172 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3173
3174         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3175         having the same mode as previous compare.
3176
3177 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3178
3179         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3180         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3181         (nonlocal_goto_internal): Likewise.
3182         (nonlocal_goto): Emit a use and an indirect jump directly.
3183
3184 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3185
3186         PR c/52190
3187         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3188         __atomic_{is,always}_lock_free.
3189
3190 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3191
3192         PR target/52146
3193         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3194         negative constant address for x32.
3195
3196 2012-02-10  Richard Henderson  <rth@redhat.com>
3197
3198         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3199         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3200         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3201
3202 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3203             Ira Rosen  <irar@il.ibm.com>
3204
3205         PR tree-optimization/50031
3206         * targhooks.c (default_builtin_vectorization_cost): Handle
3207         vec_promote_demote.
3208         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3209         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3210         all types of reduction and pattern statements.
3211         (vect_estimate_min_profitable_iters): Likewise.
3212         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3213         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3214         for explicit realigns.
3215         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3216         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3217         vec_promote_demote.
3218         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3219         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3220         vec_perm for VSX and handle vec_promote_demote.
3221
3222 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3223
3224         PR middle-end/52177
3225         * builtins.c (fold_builtin_atomic_always_lock_free,
3226         expand_builtin_atomic_always_lock_free,
3227         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3228         Return and/or test boolean_true_node/boolean_false_node instead of
3229         integer_one_node/integer_zero_node.
3230
3231 2012-02-10  Jan Hubicka  <jh@suse.cz>
3232
3233         PR middle-end/48600
3234         * predict.c (predict_paths_for_bb): Prevent looping.
3235         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3236
3237 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3238
3239         * config/arm/arm.c (output_move_double): In one case properly
3240         count number of instructions that will be emitted.
3241
3242 2012-02-10  Richard Guenther  <rguenther@suse.de>
3243
3244         PR translation/52193
3245         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3246
3247 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3248
3249         PR middle-end/52140
3250         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3251
3252 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3253
3254         PR debug/52165
3255         * var-tracking.c (emit_note_insn_var_location): If
3256         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3257         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3258         non-NOTE_DURING_CALL_P insn.
3259
3260 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3261
3262         PR middle-end/51867
3263         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3264
3265 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3266
3267         PR driver/48524
3268         * gcc.c (switch_matches) Support switches with separated form,
3269         -D and -U.
3270
3271 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3272
3273         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3274         (SP_ADDR): Ditto.
3275         (RAMPZ_ADDR): Ditto.
3276         * config/avr/avr.c (avr_addr_t): New typedef.
3277         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3278         (avr_init_expanders): Initialize it.
3279         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3280         SREG_ADDR.
3281         (expand_epilogue): Ditto.
3282         (avr_print_operand): Ditto.
3283         (avr_file_start): Ditto.
3284         (avr_emit_movmemhi): Ditto.
3285
3286 2012-02-08  Richard Guenther  <rguenther@suse.de>
3287
3288         PR tree-optimization/46886
3289         * tree-flow.h (do_while_loop_p): Declare.
3290         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3291         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3292
3293 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3294
3295         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3296         always succeed for integers larger than a native word.
3297
3298 2012-02-08  Richard Guenther  <rguenther@suse.de>
3299
3300         PR rtl-optimization/52170
3301         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3302         properly handle integer vector modes.
3303
3304 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3305
3306         PR gcov-profile/52150
3307         * coverage.c: Include target.h.
3308         (build_var): Call targetm.strip_name_encoding on the assembler name.
3309         Change one _ into . or $ if the target allows it.
3310         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3311
3312         PR rtl-optimization/52139
3313         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3314         is a BARRIER after emit_insn_after_noloc, move BB_END
3315         to the last non-BARRIER insn before it.
3316
3317 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3318
3319         PR middle-end/24306
3320         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3321         (mips_gimplify_va_arg_expr): Call it instead of
3322         std_gimplify_va_arg_expr.
3323
3324 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3325
3326         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3327         message for -mno-pointers-to-nested-function.
3328
3329 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3330
3331         PR middle-end/51994
3332         * expr.c (get_inner_reference): If there is an offset, add a negative
3333         bit position to it (if any).
3334
3335 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3336
3337         PR rtl-optimization/52060
3338         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3339         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3340         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3341         and/or i0src_copy2 when needed.
3342
3343 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3344
3345         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3346         or LTOPLUGINSONAME if have_c.
3347
3348         * config/freebsd-spec.h: Add comment about what macros can be defined
3349         in this header.
3350         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3351         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3352         here instead.
3353
3354 2012-02-07  Richard Guenther  <rguenther@suse.de>
3355
3356         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3357         newline in -alias dumps.
3358
3359 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3360             Dave Korn  <dave.korn.cygwin@gmail.com>
3361
3362         PR target/40068
3363         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3364         Take care that typinfo gets dllexport-attribute.
3365
3366 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3367
3368         PR middle-end/52074
3369         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3370         if modifier < EXPAND_SUM call force_operand on the result.
3371
3372 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3373
3374         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3375         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3376         present.
3377         (epiphany_function_type): Replace types for specific interrupts with
3378         EPIPHANY_FUNCTION_INTERRUPT.
3379         (EPIPHANY_INTERRUPT_P): Update.
3380         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3381         New static function.
3382         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3383         <disinterrupt>: Affects type identity.
3384         (epiphany_handle_interrupt_attribute): Handle variable number of
3385         arguments.
3386         (epiphany_compute_function_type): Update for new
3387         epiphany_function_type definition.
3388         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3389         handlers with a longcall forwarder.
3390         (epiphany_start_function): Handle multiple interrupt arguments and/or
3391         forwarder_section attribute.
3392
3393         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3394         libgloss.
3395
3396 2012-02-07  Alan Modra  <amodra@gmail.com>
3397
3398         PR target/52107
3399         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3400         subregs of TFmode.
3401
3402 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3403
3404         PR tree-optimization/50969
3405         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3406         use vec_perm rather than vector_stmt.
3407         (vect_model_load_cost): Likewise.
3408         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3409         vec_perm to be the same as other vector statements.
3410         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3411         cost of vec_perm for TARGET_VSX.
3412
3413 2012-02-06  Richard Guenther  <rguenther@suse.de>
3414
3415         PR tree-optimization/52115
3416         * tree-sra.c (access_has_replacements_p): New function.
3417         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3418
3419 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3420
3421         PR middle-end/52047
3422         * trans-mem.c (expand_call_tm): Add an assertion.
3423         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3424         functions.
3425
3426 2012-02-06  Richard Guenther  <rguenther@suse.de>
3427
3428         PR tree-optimization/50955
3429         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3430         raise cost of expressions that replace an address with an
3431         expression based on a different pointer.
3432
3433 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3434
3435         PR target/52129
3436         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3437         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3438
3439 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3440
3441         PR c++/48680
3442         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3443         -Weffc++ and specify guidelines come from second edition.
3444
3445 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3446
3447         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3448         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3449         (call_direct_split, call_value_split, call_value_internal_direct)
3450         (call_value_direct_split, call_value_multiple_split): Use jal and
3451         jal_macro attributes.
3452
3453 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3454
3455         * reload1.c (reload_regs_reach_end_p): Replace with...
3456         (reload_reg_rtx_reaches_end_p): ...this function.
3457         (new_spill_reg_store): Update commentary.
3458         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3459         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3460         before setting new_spill_reg_store.
3461         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3462         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3463         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3464         for non-spill reload registers.
3465
3466 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3467
3468         PR tree-optimization/52091
3469         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3470         (vect_is_simple_use_1): Likewise.
3471         * tree-vect-loop.c (vectorizable_reduction): Update calls
3472         to vect_is_simple_use_1 and vect_is_simple_use.
3473         (vectorizable_live_operation): Likewise.
3474         * tree-vect-patterns.c (widened_name_p,
3475         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3476         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3477         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3478         vectorizable_shift,vectorizable_operation, vectorizable_store,
3479         vectorizable_load): Likewise.
3480         (vect_is_simple_cond): Add an argument, pass it to
3481         vect_is_simple_use_1.
3482         (vectorizable_condition): Update calls to vect_is_simple_cond,
3483         vect_is_simple_use.
3484         (vect_is_simple_use): Add an argument, the statement in which
3485         OPERAND is used.  Check that if OPERAND's def stmt is a double
3486         reduction phi node, the use is a phi node too.
3487         (vect_is_simple_use_1): Add an argument, pass it to
3488         vect_is_simple_use.
3489         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3490         to vect_is_simple_use.
3491
3492 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3493
3494         PR rtl-optimization/52095
3495         * modulo-sched.c (dump_insn_locator): New function.
3496         (loop_canon_p, sms_schedule): Use it.
3497
3498         PR rtl-optimization/52113
3499         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3500         even for decomposable shift/zext insns.
3501
3502 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3503             Zdenek Dvorak  <ook@ucw.cz>
3504
3505         PR rtl-optimization/52092
3506         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3507         on get_iv_value result.
3508
3509 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3510
3511         PR middle-end/47982
3512         PR middle-end/43967
3513         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3514
3515 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3516
3517         PR middle-end/48071
3518         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3519
3520 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3521
3522         PR rtl-optimization/49800
3523         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3524         (sched_finish): Call regstat_free_n_sets_and_refs.
3525
3526 2012-02-02  Jia Liu  <proljc@gmail.com>
3527
3528         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3529         than operand 2.
3530
3531 2012-02-02  Jan Hubicka  <jh@suse.cz>
3532             Tom de Vries  <tom@codesourcery.com>
3533