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Backport from 2012-09-28 trunk r191821.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-09-28  Georg-Johann Lay  <avr@gjlay.de>
2
3         Backport from 2012-09-28 trunk r191821.
4         * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
5
6 2012-09-27  Jakub Jelinek  <jakub@redhat.com>
7
8         PR target/54703
9         * simplify-rtx.c (simplify_binary_operation_1): Perform
10         (x - (x & y)) -> (x & ~y) optimization only for integral
11         modes.
12
13 2012-09-24  Eric Botcazou  <ebotcazou@adacore.com>
14
15         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
16         TYPE_NONALIASED_COMPONENT flag.
17         * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
18         TYPE_NONALIASED_COMPONENT flag.
19
20 2012-09-21  Richard Guenther  <rguenther@suse.de>
21
22         PR middle-end/54638
23         Backport from mainline
24         2012-04-19  Richard Guenther  <rguenther@suse.de>
25
26         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
27         array access.
28
29 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
30
31         PR c/54552
32         * c-typeck.c (c_cast_expr): When casting to a type requiring
33         C_MAYBE_CONST_EXPR to be created, pass the inner expression to
34         c_fully_fold first.
35
36 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
37
38         PR c/54103
39         * c-typeck.c (build_unary_op): Pass original argument of
40         TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
41         any C_MAYBE_CONST_EXPR, if it has integer operands.
42         (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
43         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
44         to c_objc_common_truthvalue_conversion, then remove any
45         C_MAYBE_CONST_EXPR, if they have integer operands.  Use
46         c_objc_common_truthvalue_conversion not
47         c_common_truthvalue_conversion.
48         (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
49         call note_integer_operands for arguments with integer operands
50         that are not integer constants.
51
52 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
53
54         Backported from mainline
55         2012-09-17  Jakub Jelinek  <jakub@redhat.com>
56
57         PR tree-optimization/54563
58         * tree-ssa-math-opts.c (execute_cse_sincos): Call
59         gimple_purge_dead_eh_edges if last call has been changed.
60
61         2012-09-14  Jakub Jelinek  <jakub@redhat.com>
62
63         PR target/54564
64         * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
65         instead of (match_dup 0) as second argument to vec_merge.
66         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
67         Remove third alternative.
68         (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise.  Negate
69         operand 2 instead of operand 1, but put it as first argument
70         of fma.
71         * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
72         _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
73         of the first.
74
75 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
76
77         * BASE-VER: Set to 4.7.3.
78         * DEV-PHASE: Set to prerelease.
79
80 2012-09-20  Release Manager
81
82         * GCC 4.7.2 released.
83
84 2012-09-15  Andi Kleen  <ak@linux.intel.com>
85
86         Backport from mainline
87         2012-09-07  Andi Kleen  <ak@linux.intel.com>
88
89         * gcc/lto-streamer.h (res_pair): Add.
90         (lto_file_decl_data): Replace resolutions with respairs.
91         Add max_index.
92         * gcc/lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
93         Initialize respairs.
94         (lto_file_finalize): Set up resolutions vector lazily from respairs.
95
96 2012-09-14  Walter Lee  <walt@tilera.com>
97
98         Backport from mainline.
99         2012-09-14  Walter Lee  <walt@tilera.com>
100
101         * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
102         option for TILEPro and TILE-Gx.
103
104 2012-09-13  Uros Bizjak  <ubizjak@gmail.com>
105
106         * config/i386/i386.h (x86_prefetchw): New global variable.
107         (TARGET_PREFETCHW): New macro.
108         * config/i386/i386.c (PTA_PREFETCHW): Ditto.
109         (processor_alias_table): Add PTA_PREFETCHW to
110         bdver1, bdver2 and btver1.
111         (ix86_option_override_internal): Set x86_prefetchw for
112         PTA_PREFETCHW targets.
113         * config/i386/i386.md (prefetch): Expand to prefetchw
114         for TARGET_PREFETCHW.
115         (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
116
117         Backport from mainline
118         2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
119
120         * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
121         (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
122         Rename to ...
123         (*prefetch_sse): ... this.
124         (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
125         Rename to ...
126         (*prefetch_3dnow): ... this.
127
128 2012-09-13  Jakub Jelinek  <jakub@redhat.com>
129
130         PR c/54559
131         * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
132         COMPLEX_TYPE with in_late_binary_op set temporarily to true.
133
134 2012-09-12  Teresa Johnson  <tejohnson@google.com>
135
136         Backport from mainline.
137         2012-09-12  Teresa Johnson  <tejohnson@google.com>
138
139         PR gcov-profile/54487
140         * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
141         test using F_SETLKW with fcntl.
142         * configure, config.in: Regenerate.
143
144 2012-09-12  Uros Bizjak  <ubizjak@gmail.com>
145
146         Backport from mainline
147         2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
148
149         * config/i386/i386.md : Comments on fma4 instruction selection
150         reflect requirement on register pressure based cost model.
151
152         * config/i386/driver-i386.c (host_detect_local_cpu): fma4
153         flag is set-reset as informed by the cpuid flag.
154
155         * config/i386/i386.c (processor_alias_table): fma4
156         flag is enabled for bdver2.
157
158 2012-09-12  Christian Bruel  <christian.bruel@st.com>
159
160        * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
161
162 2012-09-12  Jakub Jelinek  <jakub@redhat.com>
163
164         * config.gcc: Obsolete picochip-*.
165
166 2012-09-11  Richard Guenther  <rguenther@suse.de>
167
168         PR debug/54534
169         * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
170         on flag_toplevel_reorder.
171
172 2012-09-10  Richard Henderson  <rth@redhat.com>
173
174         * config/alpha/predicates.md (small_symbolic_operand): Disallow
175         large offsets.
176
177 2012-09-10  Georg-Johann Lay  <avr@gjlay.de>
178
179         Backport from 2012-09-10 mainline r191132.
180
181         PR target/54536
182         * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
183
184 2012-09-10  Markus Trippelsdorf  <markus@trippelsdorf.de>
185
186         PR middle-end/54515
187         * tree-sra.c (disqualify_base_of_expr): Check for possible
188         NULL_TREE returned by get_base_address()
189
190 2012-09-07  Richard Guenther  <rguenther@suse.de>
191
192         Backport from mainline
193         2012-06-26  Jan Hubicka  <jh@suse.cz>
194
195         PR lto/53572
196         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
197         used symbols.
198
199 2012-09-07  Richard Guenther  <rguenther@suse.de>
200
201         Backport from mainline
202         2012-07-13  Richard Guenther  <rguenther@suse.de>
203
204         PR tree-optimization/53922
205         * tree-vrp.c (value_inside_range): Change prototype to take
206         min/max instead of value-range.
207         (range_includes_zero_p): Likewise.  Return the result from
208         value_inside_range.
209         (extract_range_from_binary_expr_1): Adjust to handle dont-know
210         return value from range_includes_zero_p.
211         (extract_range_from_unary_expr_1): Likewise.
212         (compare_range_with_value): Likewise.
213         (vrp_meet_1): Likewise.
214
215 2012-09-07  Richard Guenther  <rguenther@suse.de>
216
217         PR middle-end/53667
218         * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
219         EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
220         arguments separately.
221
222 2012-09-07  Jakub Jelinek  <jakub@redhat.com>
223
224         Backported from mainline
225         2012-09-06  Jakub Jelinek  <jakub@redhat.com>
226
227         PR rtl-optimization/54455
228         * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
229         bb ends up with asm goto referencing bb's label.
230
231 2012-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
232
233         Backport from mainline.
234         2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
235                     Richard Earnshaw  <richard.earnshaw@arm.com>
236
237         PR target/54252
238         * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
239         element size. Use elem_type from the formal parameter. New parameter
240         fcode.
241         (neon_expand_args): Adjust call to neon_dereference_pointer.
242
243 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
244
245         * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
246         reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
247
248 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
249
250         Backport from mainline
251         2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
252
253         * config/i386/i386.md (isa): Add fma and fma4.
254         (enabled): Handle fma and fma4.
255         * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
256         (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
257         (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
258         (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
259         (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
260         (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
261
262         2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
263
264         * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
265         *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
266         *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
267
268 2012-09-06  Richard Guenther  <rguenther@suse.de>
269
270         PR tree-optimization/54498
271         * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
272         abort when reaching an already visited region.
273         * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
274         (get_continuation_for_phi_1): Likewise.
275         (walk_non_aliased_vuses): When we translated the reference,
276         abort when we re-visit a region.
277         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
278
279 2012-09-06  Andrew Pinski  <apinski@cavium.com>
280
281         PR tree-opt/54494
282         * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
283
284 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
285
286         PR middle-end/54486
287         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
288         build_int_cst with size_type_node instead of size_int.
289
290 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
291
292         Backport from 2012-09-05 mainline r190697.
293
294         PR target/54461
295         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
296         configured --with-avrlibc.
297         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
298         --with-avrlibc.
299         * config/avr/avrlibc.h: New file.
300         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
301         configured --with-avrlibc.
302         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
303
304 2012-09-05  Bin Cheng  <bin.cheng@arm.com>
305
306         Backport from 2012-09-04 mainline r190919
307
308         PR target/45070
309         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
310         of size less than 4 bytes by using macro ARM_NUM_INTS.
311         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
312
313 2012-09-04  Richard Henderson  <rth@redhat.com>
314
315         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
316
317 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
318
319         Backport from 2012-09-04 mainline r190920
320
321         PR target/54476
322         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
323
324 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
325
326         Backport from 2012-09-04 mainline r190914
327
328         PR target/54220
329         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
330         define to...
331         (avr_allocate_stack_slots_for_args): ...this new static function.
332
333 2012-09-03  H.J. Lu  <hongjiu.lu@intel.com>
334
335         Backported from mainline
336         2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
337
338         PR driver/54335
339         * doc/invoke.texi: Add -da and remove -dm.
340
341 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
342
343         Backported from mainline
344         2012-09-01  Jakub Jelinek  <jakub@redhat.com>
345
346         PR target/54436
347         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
348         operands[1] is CONST_INT_P, convert it to QImode before printing.
349
350         2012-08-31  Jakub Jelinek  <jakub@redhat.com>
351
352         PR c/54428
353         * c-convert.c (convert): Don't call fold_convert_loc if
354         TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
355         is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
356         COMPLEX_TYPE -> COMPLEX_TYPE conversion.
357
358         2012-08-24  Jakub Jelinek  <jakub@redhat.com>
359
360         PR c/54363
361         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
362         if init is a CONSTRUCTOR.
363
364 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
365
366         PR rtl-optimization/54369
367         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
368         calling dbr_schedule.
369         * config/sparc/sparc.c (sparc_reorg): Likewise.
370
371 2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>
372
373         Backport from mainline
374         2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>
375
376         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
377         case for Atom processor.
378
379 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
380
381         Backport from mainline
382         2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
383
384         PR target/46254
385         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
386         true for TARGET_64BIT or !flag_pic.
387         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
388         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
389         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
390         Add insn constraint.  Conditionally emit xchg asm insns.
391         (atomic_compare_and_swap<mode>): Update calls.  Check only
392         cmpxchg8b_pic_memory_operand in memory address fixup.
393         (DCASMODE): Remove.
394         (CASHMODE): Rename from DCASHMODE.
395         (doublemodesuffix): Update modes.
396         (regprefix): New mode attribute.
397
398         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
399         <UNSPECV_CMPXCHG>: New constant.
400         (atomic_compare_and_swap<mode>_1): Rename from
401         atomic_compare_and_swap_single<mode>.  Update calls and
402         unspec_volatile constants.
403         (atomic_compare_and_swap<mode>_doubleword): Rename from
404         atomic_compare_and_swap_double<mode>.  Update calls and
405         unspec_volatile constants.
406
407 2012-08-28  Walter Lee  <walt@tilera.com>
408
409         Backport from mainline
410         2012-08-28  Walter Lee  <walt@tilera.com>
411
412         * confg/tilegx/tilegx.md: Fix code style.
413         (*zero_extendsidi_truncdisi): Fix typo.
414         * config/tilegx/tilegx.c: Fix code style.
415         (tilegx_function_profiler): Fix typo.
416
417 2012-08-27  Walter Lee  <walt@tilera.com>
418
419         Backport from mainline
420         2012-08-27  Walter Lee  <walt@tilera.com>
421
422         * doc/md.texi (TILE-Gx): Fix typo.
423
424 2012-08-27  Walter Lee  <walt@tilera.com>
425
426         Backport from mainline
427         2012-08-27  Walter Lee  <walt@tilera.com>
428
429         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
430         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
431
432 2012-08-27  Walter Lee  <walt@tilera.com>
433
434         Backport from mainline
435         2012-08-27  Walter Lee  <walt@tilera.com>
436
437         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
438         (insn_bfins): Delete.
439
440 2012-08-27  Walter Lee  <walt@tilera.com>
441
442         Backport from mainline
443         2012-08-27  Walter Lee  <walt@tilera.com>
444
445         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
446         atomic_exchange_bare<mode>,
447         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
448         * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
449         * config/tilegx/tilegx.md (type): Add X1_remove.
450         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
451         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
452         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
453         X1_remote.
454
455 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
456
457         PR rtl-optimization/54088
458         * jump.c (delete_related_insns): Robustify latest change.
459
460 2012-08-21  Richard Guenther  <rguenther@suse.de>
461
462         Backport from mainline
463         2012-08-16  Richard Guenther  <rguenther@suse.de>
464
465         PR middle-end/54146
466         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
467         exit vector.
468         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
469         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
470         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
471         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
472         (tree_ssa_lim_finalize): Free all mem_refs.
473         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
474         scc when bailing out.
475         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
476         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
477         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
478         FOR_EACH_LOOP_BREAK.
479
480         2012-08-17  Richard Guenther  <rguenther@suse.de>
481
482         * tree-sra.c (modify_function): Free redirect_callers vector.
483         * ipa-split.c (split_function): Free args_to_pass vector.
484         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
485         vec_oprnds.
486         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
487         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
488         (vect_analyze_slp_instance): Free everything.
489         (destroy_bb_vec_info): Free the SLP instances.
490
491         2012-08-17  Richard Guenther  <rguenther@suse.de>
492
493         * params.def (integer-share-limit): Decrease from 256 to 251,
494         add rationale.
495
496         2012-08-21  Richard Guenther  <rguenther@suse.de>
497
498         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
499         the affine expansion cache.
500
501 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
502
503         Backported from trunk
504         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
505
506         PR middle-end/53992
507         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
508
509 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
510
511         Backport from mainline.
512         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
513
514         PR target/54212
515         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
516         mark as predicable. Adjust asm template.
517         (vec_setv2di_internal): Likewise.
518         (vec_extract<mode> VD, VQ): Likewise.
519         (vec_extractv2di): Likewise.
520         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
521         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
522         (neon_vdup_n<mode> VX, V32): Likewise.
523         (neon_vdup_nv2di): Likewise.
524
525 2012-08-17  Walter Lee  <walt@tilera.com>
526
527         Backport from mainline
528         2012-08-17  Walter Lee  <walt@tilera.com>
529
530         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
531         (FEEDBACK_ENTER): Define.
532         (FEEDBACK_REENTER): Define.
533         (FEEDBACK_ENTRY): Define.
534         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
535         (FEEDBACK_ENTER): Define.
536         (FEEDBACK_REENTER): Define.
537         (FEEDBACK_ENTRY): Define.
538
539 2012-08-16  Walter Lee  <walt@tilera.com>
540
541         Backport from mainline
542         2012-08-16  Walter Lee  <walt@tilera.com>
543
544         * config.gcc (tilegx-*-linux*): Add feedback.h.
545         (tilepro-*-linux*): Likewise.
546         * config/tilegx/feedback.h: New file.
547         * config/tilepro/feedback.h: New file.
548
549 2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>
550
551         Backport from mainline r189840 and r187586:
552         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
553
554         * config/i386/i386.md (stack_protect_set): Disable the pattern
555         for Android since Android libc (bionic) does not provide random
556         value for stack protection guard at gs:0x14. Guard value
557         will be provided from external symbol (default implementation).
558         (stack_protect_set_<mode>): Likewise.
559         (stack_protect_test): Likewise.
560         (stack_protect_test_<mode>): Likewise.
561         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
562         not have Bionic by default
563         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
564         Macro OPTION_BIONIC is defined in this file and provides Bionic
565         accessibility status
566
567         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
568
569         * configure.ac: Stack protector enabling for Android targets.
570         * configure: Regenerate.
571
572 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
573
574         Backported from trunk
575         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
576
577         PR rtl-optimization/53942
578         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
579         directly from likely spilled non-fixed hard registers, move them
580         to pseudo first.
581
582 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
583
584         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
585         (xop_phaddubq): Ditto.
586
587 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
588
589         Backport from mainline
590         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
591                     Richard Earnshaw  <rearnsha@arm.com>
592
593         * target.def (vector_alignment): New target hook.
594         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
595         * doc/tm.texi: Regenerate.
596         * targhooks.c (default_vector_alignment): New function.
597         * targhooks.h (default_vector_alignment): Add prototype.
598         * stor-layout.c (layout_type): Use targetm.vector_alignment.
599         * config/arm/arm.c (arm_vector_alignment): New function.
600         (TARGET_VECTOR_ALIGNMENT): Define.
601
602         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
603         vector type alignment instead of size.
604         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
605         element type size directly instead of computing it from alignment.
606         Fix variable naming and comment.
607
608 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
609
610         Backport from mainline
611         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
612
613         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
614         (alpha_pad_function_end): ... this.  Also insert NOP between
615         sibling call and GP load.
616         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
617
618 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
619
620         Backport from mainline
621         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
622                     H.J. Lu  <hongjiu.lu@intel.com>
623
624         PR rtl-optimization/54157
625         * combine.c (gen_lowpart_for_combine): Don't return identity
626         for CONST or symbolic reference.
627
628 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
629
630         Backport from mainline
631         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
632
633         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
634         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
635         split_cost argument signed.
636         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
637         (ix86_avoid_lea_for_addr): Ditto.
638
639         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
640
641         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
642         the address has less than two components.
643
644 2012-08-02  Steve Ellcey  <sellcey@mips.com>
645
646         Backport from mainline
647         2012-07-19  Steve Ellcey  <sellcey@mips.com>
648
649         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
650         MIPS16 mode.
651
652 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
653
654         Backport from mainline
655         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
656
657         PR target/53961
658         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
659         negative constant address for TARGET_X32 ...
660         (ix86_decompose_address): ... here.  Reject constant addresses
661         that don't satisfy x86_64_immediate_operand predicate.
662
663         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
664
665         PR target/53961
666         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
667         * config/i386/i386.c (ix86_print_operand_address): Ditto.
668         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
669         addresses.  Prevent zero extensions of CONST_INT operands.
670
671         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
672
673         PR target/53961
674         * config/i386/i386.md (*lea): New insn pattern.
675         (*lea_1): Remove.
676         (*lea<mode>_2): Ditto.
677         (*lea_{3,4,5,6}_zext): Ditto.
678         * config/i386/predicates.md (lea_address_operand): Do not reject
679         zero-extended address operands.
680         * config/i386/constraints.md (j): Remove address constraint.
681         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
682         of an address.
683         (ix86_print_operand_address): Handle SImode subreg of an address.
684         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
685
686 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
687
688         Backport from mainline
689         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
690
691         PR target/52530
692         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
693         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
694         to set code to 'q'.
695         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
696         (*movdi_internal_rex64): Use %E operand modifier for lea.
697         (*movsi_internal): Ditto.
698         (*lea_1): Ditto.
699         (*lea<mode>_2): Ditto.
700         (*lea_{3,4,5,6}_zext): Ditto.
701         (*tls_global_dynamic_32_gnu): Ditto.
702         (*tls_global_dynamic_64): Ditto.
703         (*tls_dynamic_gnu2_lea_32): Ditto.
704         (*tls_dynamic_gnu2_lea_64): Ditto.
705         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
706
707 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
708
709         Backport from mainline
710         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
711
712         * config/i386/i386.c (ix86_address_subreg_operand): Reject
713         stack pointer.
714         (ix86_print_operand_address): Assert that parts.base and parts.index
715         are non-NULL after call to simplify_subreg.
716
717 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
718
719         PR target/33135
720         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
721         description.
722         * config/sh/sh.c (sh_option_override): Do not change
723         flag_finite_math_only.  Set TARGET_IEEE to complement of
724         flag_finite_math_only.
725         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
726         description of mieee and mno-ieee behavior.
727
728 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
729
730         PR target/53877
731         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
732         (_lzcnt_u64): Ditto.
733
734 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
735
736         Backport from mainline
737         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
738
739         PR rtl-optimization/52250
740         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
741         to put note list into.  Unconditionally call move_bb_info.
742         (move_bb_info): Do not assert the blocks being in the same region,
743         just drop the note list if they are not.
744
745 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
746
747         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
748
749 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
750
751         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
752         defining statement is a SSA name that occurs in abnormal PHIs.
753
754 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
755
756         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
757         conversions.
758
759 2012-07-19  Richard Guenther  <rguenther@suse.de>
760             Eric Botcazou  <ebotcazou@adacore.com>
761
762         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
763         about transition from invariant to known bits.
764         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
765
766 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
767
768         PR middle-end/54017
769         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
770         (cleanup_tree_cfg_bb): Don't call it.
771         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
772         handling.
773
774 2012-07-19  Christian Bruel  <christian.bruel@st.com>
775
776         PR target/54029
777         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
778
779 2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>
780
781         * config.gcc (v850-*-rtems*): New target.
782         * config/v850/rtems.h: New.
783         * config/v850/t-rtems: New.
784
785 2012-07-18  Nick Clifton  <nickc@redhat.com>
786
787         * doc/invoke.texi (ARM Options): Document -munaligned-access.
788
789 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
790
791         PR target/53961
792
793         Backport from mainline
794         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
795
796         PR target/53110
797         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
798         instead expand it as zero extension.
799
800 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
801
802         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
803         QImode and HImode splitters.  Use ix86_comparison_operator.
804         Explicitly match FLAGS_REG.
805         (DFmode cmove splitter): Explicitly match FLAGS_REG.
806
807 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
808             Steven Bosscher  <steven@gcc.gnu.org>
809             Bernd Schmidt  <bernds@codesourcery.com>
810
811         PR rtl-optimization/53908
812         * df-problems.c (can_move_insns_across): When doing
813         memory-reference book-keeping, handle call insns.
814
815 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
816
817         Backport from mainline
818         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
819
820         PR target/53811
821         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
822         sibcall_insn_operand.  Move it to a temporary register if not.
823
824         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
825
826         PR target/53853
827         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
828         emit PIC sequence for fnaddr symbol reference in advance.
829
830 2012-07-09  Jason Merrill  <jason@redhat.com>
831
832         PR c++/53882
833         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
834         (type_hash_eq): Likewise.
835
836         PR c++/53826
837         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
838
839 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
840
841         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
842         due to negative shift amount.
843
844 2012-07-06  Kai Tietz  <ktietz@redhat.com>
845
846         Backport from mainline.
847         PR bootstrap/52947
848         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
849         as "/mingw/include".
850
851 2012-07-06  Nick Clifton  <nickc@redhat.com>
852
853         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
854         default_encode_section_info.
855
856 2012-07-06  Richard Guenther  <rguenther@suse.de>
857
858         Backport from mainline
859         2012-03-30  Richard Guenther  <rguenther@suse.de>
860
861         PR middle-end/52786
862         * double-int.c (rshift_double): Remove not needed cast.
863
864         2012-03-28  Richard Guenther  <rguenther@suse.de>
865
866         PR middle-end/50708
867         * double-int.h (rshift_double): Remove.
868         * double-int.c (lshift_double): Use absu_hwi to make count
869         positive.
870         (rshift_double): Make static, take unsigned count argument,
871         remove handling of negative count argument.
872         (double_int_rshift): Dispatch to lshift_double.
873
874 2012-07-06  Richard Guenther  <rguenther@suse.de>
875
876         Backport from mainline
877         2012-06-18  Richard Guenther  <rguenther@suse.de>
878
879         PR tree-optimization/53693
880         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
881         Reject operands with more than one use.
882
883 2012-07-06  Richard Guenther  <rguenther@suse.de>
884
885         Backport from mainline
886         2012-04-11  Richard Guenther  <rguenther@suse.de>
887
888         PR middle-end/52621
889         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
890         consider loop nesting.
891         (evolution_function_is_univariate_p): Properly check the remainder
892         for chrecs.
893
894 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
895
896         Backport from mainline
897         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
898
899         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
900         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
901         (adjacent_mem_locations): Move some code to and call...
902         (get_memref_parts): ...new function.
903         (mem_locations_overlap): New function.
904         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
905         (is_mem_ref): Rename to...
906         (find_mem_ref): ...this. Return MEM rtx.
907         (get_store_dest): Remove function.
908         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
909         new parameter and adjust calls.
910         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
911         mem refs overlap for true_store_to_load_dep_costly.
912         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
913         passed to adjacent_mem_locations.
914         (is_costly_group): Walk resolved dependency list.
915         (force_new_group): Emit group ending nop for Power6/Power7.
916         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
917         (group_ending_nop): New define_insn.
918
919 2012-07-04  Richard Guenther  <rguenther@suse.de>
920
921         PR middle-end/53433
922         * gimple-fold.c (get_base_constructor): Do not return an
923         error_mark_node DECL_INITIAL.
924
925 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
926
927         Backport from mainline
928         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
929
930         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
931         code model string in the error message.
932
933 2012-07-04  Tristan Gingold  <gingold@adacore.com>
934
935         Backport from mainline.
936         2012-06-25  Tristan Gingold  <gingold@adacore.com>
937
938         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
939         (seh_cfa_adjust_cfa): ... that function.
940         (seh_emit_stackalloc): Do not emit out of range values.
941         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
942         UNSPEC_DEF_CFA constants.
943         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
944         * config/i386/i386.c (ix86_frame_pointer_required): Required
945         for very large frames on SEH target.
946         (ix86_compute_frame_layout): Save area is before frame pointer
947         on SEH target.  Handle very large frames.
948         (ix86_expand_prologue): Likewise.
949
950 2012-07-04  Richard Guenther  <rguenther@suse.de>
951
952         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
953         as in free_lang_data_in_type.
954
955 2012-07-02  Martin Jambor  <mjambor@suse.cz>
956
957         Backport from mainline.
958         2012-07-02  Martin Jambor  <mjambor@suse.cz>
959
960         PR middle-end/38474
961         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
962         dynamic type change check.
963
964 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
965
966         * tree-eh.c (lower_try_finally_switch): Really put the location of the
967         last statement of the finally block onto the switch.
968
969 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
970
971         * configure: Regenerate.
972
973         Backport from mainline.
974         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
975
976         * config.gcc (target_type_format_char): New. Document it. Set it for
977         arm*-*-* .
978         * configure.ac (gnu_unique_option): Use target_type_format_char
979         in test.  Comment rationale.
980
981 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
982
983         Backport from mainline.
984         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
985
986         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
987
988 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
989
990         Backport from 2012-06-28 mainline r189049
991
992         PR 53595
993         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
994         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
995         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
996         avr_hard_regno_call_part_clobbered.
997
998 2012-06-28  Richard Guenther  <rguenther@suse.de>
999
1000         PR middle-end/53790
1001         * expr.c (expand_expr_real_1): Verify if the type is complete
1002         before inspecting its size.
1003
1004 2012-06-27  Nick Clifton  <nickc@redhat.com>
1005
1006         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1007         input operand.
1008
1009 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
1010
1011         PR debug/53682
1012         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1013
1014 2012-06-26  Nick Clifton  <nickc@redhat.com>
1015
1016         * config/rx/rx.md (simple_return): Use the simple_return rtx.
1017
1018 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
1019
1020         PR target/53759
1021         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1022         of x x x in the vmovlps load alternative.
1023
1024 2012-06-22  Richard Guenther  <rguenther@suse.de>
1025
1026         * gcov-iov.c: Include bconfig.h and system.h.
1027
1028 2012-06-22  Richard Guenther  <rguenther@suse.de>
1029
1030         PR gcov-profile/53744
1031         * gcov-iov.c (main): Treat "" and "prerelease" the same.
1032
1033 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
1034
1035         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1036         DECL_IGNORED_P non-reg vars even if they are used.
1037
1038 2012-06-19  Jason Merrill  <jason@redhat.com>
1039
1040         PR c++/52637
1041         * dwarf2out.c (modified_type_die): Use scope_die_for.
1042         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1043         (uses_local_type_r, uses_local_type): New.
1044         (scope_die_for): Keep a type that uses a local type in local scope.
1045         Use get_context_die for namespace and type scope.
1046
1047 2012-06-19  Richard Guenther  <rguenther@suse.de>
1048
1049         PR middle-end/53470
1050         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1051         replace it with the first non-BLOCK context.
1052
1053 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
1054
1055         PR rtl-optimization/53700
1056
1057         Backport from mainline
1058         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
1059
1060         * ira-color.c (setup_left_conflict_sizes_p): Process all
1061         conflicting objects.
1062
1063 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1064
1065         Backport from mainline
1066         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
1067
1068         PR target/52908
1069         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1070         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1071         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1072         instead of xop_mulv2div2di3_low.
1073         (xop_p<macs>dql): Fix vec_select selector.
1074         (xop_p<macs>dqh): Ditto.
1075         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1076         (xop_mulv2div2di3_high): Ditto.
1077
1078 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1079
1080         Backport from mainline:
1081         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1082
1083         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1084
1085 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1086
1087         Backport from mainline:
1088         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1089
1090         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1091         * config/pa/pa.c (pa_attr_length_millicode_call): Use
1092         MAX_PCREL17F_OFFSET instead of fixed offset.
1093         (pa_attr_length_call): Likewise.
1094         (pa_attr_length_indirect_call): Likewise.
1095
1096 2012-06-15  Walter Lee  <walt@tilera.com>
1097
1098         Backport from mainline:
1099         2012-06-15  Walter Lee  <walt@tilera.com>
1100
1101         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1102
1103         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
1104
1105         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1106
1107 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
1108
1109         Backport from mainline:
1110
1111         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1112         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1113         * gimple.h (block_in_transaction): Check for flag_tm.
1114
1115 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
1116
1117         PR tree-optimization/52558
1118
1119         Backport from mainline:
1120         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
1121         * gimple.h (gimple_set_in_transaction): Remove.
1122         (gimple_in_transaction): Look in BB instead.
1123         (gimple_statement_base): Remove in_transaction field.
1124         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1125         * trans-mem.c (compute_transaction_bits): Place transaction bit
1126         information into basic blocks.
1127
1128         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1129
1130         PR tree-optimization/52558
1131         * cfg.c (alloc_aux_for_edge): Fix comment.
1132         (alloc_aux_for_edge): Remove static.
1133         * basic-block.h (alloc_aux_for_edge): Protoize.
1134         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1135         (execute_sm_if_changed_flag): New.
1136         (execute_sm_if_changed_flag_set): New.
1137         (execute_sm): Do not generate data races unless requested.
1138         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1139         (tree_ssa_lim_finalize): Call free_aux_for_edges.
1140         * gimple.h (block_in_transaction): New.
1141         (gimple_in_transaction): Use block_in_transaction.
1142
1143 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
1144
1145         Backported from mainline
1146         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
1147
1148         PR rtl-optimization/53589
1149         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1150         discovery even when e->dest != target.  If any LABEL_REF points
1151         to e->dest label, redirect it to target's label.
1152
1153         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
1154
1155         PR middle-end/53580
1156         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1157         returns false, replace stmt with GIMPLE_NOP.
1158         (check_omp_nesting_restrictions): Instead of issuing warnings,
1159         issue errors and return false if any errors were reported.
1160
1161 2012-06-14  Richard Guenther  <rguenther@suse.de>
1162
1163         * BASE-VER: Set to 4.7.2.
1164         * DEV-PHASE: Set to prerelease.
1165
1166 2012-06-12  Christian Bruel  <christian.bruel@st.com>
1167
1168         PR target/53621
1169         * config/sh/sh.c (sh_option_override): Don't force
1170          flag_omit_frame_pointer and maccumulate_outgoing_args.
1171         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1172
1173 2012-06-14  Release Manager
1174
1175         * GCC 4.7.1 released.
1176
1177 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
1178
1179         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1180
1181 2012-06-13  Richard Henderson  <rth@redhat.com>
1182
1183         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1184         iterator instead of INT.
1185
1186 2012-06-08  Richard Henderson  <rth@redhat.com>
1187
1188         PR c++/53602
1189         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1190         note to a clobber insn when no other insn is available.
1191
1192 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
1193
1194         PR c++/53524
1195         * doc/invoke.texi (Wenum-compare): Update documentation.
1196
1197 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
1198
1199         PR target/53559
1200         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1201         operands.
1202         (altivec_stvlxl): Ditto.
1203         (altivec_stvrx): Ditto.
1204         (altivec_stvrxl): Ditto.
1205
1206 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
1207
1208         PR middle-end/47530
1209         * trans-mem.c (expand_block_edges): Do not skip the first
1210         statement when resetting the BB.
1211
1212 2012-06-04  Richard Guenther  <rguenther@suse.de>
1213
1214         PR middle-end/53471
1215         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1216         create new assembler names.
1217
1218 2012-06-04  Richard Guenther  <rguenther@suse.de>
1219
1220         Backport from mainline
1221         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1222
1223         PR middle-end/52979
1224         * stor-layout.c (get_best_mode): Don't return mode with bitsize
1225         larger than maxbits.  Don't compute maxbits modulo align.
1226         Also check that unit bytes long store at bitpos / unit * unit
1227         doesn't affect bits beyond bitregion_end.
1228         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1229         would not fit into bitregion_start ... bitregion_end + 1 bit
1230         region.
1231         (store_split_bit_field): Decrease unit close to end of bitregion_end
1232         if access is restricted in order to avoid mutual recursion.
1233
1234 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
1235
1236         Backport from 2012-06-04 mainline r188172
1237
1238         PR target/46261
1239         * config/avr/avr-stdint.h: New file.
1240         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1241         newlib-stdint.h
1242
1243 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
1244
1245         PR tree-optimization/53550
1246         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1247         is POINTER_TYPE_P, use sizetype as step type instead of type.
1248
1249 2012-06-04  Richard Guenther  <rguenther@suse.de>
1250             Eric Botcazou  <ebotcazou@adacore.com>
1251
1252         Backport from mainline
1253         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
1254
1255         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1256         Change type of BITOFFSET to signed.  Make sure the lower bound of
1257         the computed range is non-negative by adjusting OFFSET and BITPOS.
1258         (expand_assignment): Adjust call to get_bit_range.
1259
1260         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1261
1262         * expr.c (get_bit_range): Return the null range if the enclosing record
1263         is part of a larger bit field.
1264
1265         2012-03-20  Richard Guenther  <rguenther@suse.de>
1266
1267         * stor-layout.c (finish_bitfield_representative): Fallback
1268         to conservative maximum size if the padding up to the next
1269         field cannot be computed as a constant.
1270         (finish_bitfield_layout): If we cannot compute the distance
1271         between the start of the bitfield representative and the
1272         bitfield member start a new representative.
1273         * expr.c (get_bit_range): The distance between the start of
1274         the bitfield representative and the bitfield member is zero
1275         if the field offsets are not constants.
1276
1277         2012-03-16  Richard Guenther  <rguenther@suse.de>
1278
1279         * stor-layout.c (finish_bitfield_representative): Fall back
1280         to the conservative maximum size if we cannot compute the
1281         size of the tail padding.
1282
1283         2012-03-14  Richard Guenther  <rguenther@suse.de>
1284
1285         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1286         * stor-layout.c (start_bitfield_representative): New function.
1287         (finish_bitfield_representative): Likewise.
1288         (finish_bitfield_layout): Likewise.
1289         (finish_record_layout): Call finish_bitfield_layout.
1290         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1291         for QUAL_UNION_TYPE fields.
1292         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1293         Stream DECL_BIT_FIELD_REPRESENTATIVE.
1294         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1295
1296         PR middle-end/52080
1297         PR middle-end/52097
1298         PR middle-end/48124
1299         * expr.c (get_bit_range): Unconditionally extract bitrange
1300         from DECL_BIT_FIELD_REPRESENTATIVE.
1301         (expand_assignment): Adjust call to get_bit_range.
1302
1303 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1304
1305         PR middle-end/53501
1306         * fold-const.c (fold_binary_loc): Refine previous change.
1307
1308 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1309
1310         Backport from mainline
1311         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
1312
1313         PR target/52667
1314         * config/sh/sh.c (find_barrier): Add equality check of last_got to
1315         avoid going above orig insn.  Update comments.
1316
1317 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1318
1319         Backport from mainline
1320         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1321
1322         PR target/52642
1323         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1324         prologue for unwinder and profiler.
1325
1326 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1327
1328         Backport from mainline
1329         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1330
1331         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1332
1333 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1334
1335         Backport from mainline
1336         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1337
1338         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1339         DBX_REGISTER_NUMBER.
1340
1341 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1342
1343         Backport from mainline
1344         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1345
1346         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1347         operand is CONST_INT.  Take COSTS_N_INSNS into account.
1348         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1349         shiftcosts.     
1350
1351 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1352
1353         * config/avr/avr.opt (-msp8): Document it.
1354         * doc/invoke.texi (AVR Options): Copy from trunk docu.
1355
1356 2012-05-31  Richard Guenther  <rguenther@suse.de>
1357
1358         PR middle-end/48493
1359         * expr.c (expand_assignment): Do not use movmisalign on
1360         non-memory.
1361
1362 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1363
1364         PR target/52999
1365         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1366         (pa_section_type_flags): New.
1367         (pa_legitimate_constant_p): Revert previous change.
1368
1369 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
1370
1371         Backport from mainline
1372         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
1373
1374         PR middle-end/53008
1375         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1376         accessed indirectly.
1377         (ipa_tm_create_version): Same.
1378
1379 2012-05-30  Jason Merrill  <jason@redhat.com>
1380
1381         PR c++/53220
1382         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1383         about array compound literals.
1384
1385 2012-05-30  Richard Guenther  <rguenther@suse.de>
1386
1387         PR middle-end/53501
1388         * fold-const.c (fold_binary_loc): Make sure to call
1389         fold_plusminus_mult_expr with the original sign of operands.
1390
1391 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1392
1393         * explow.c (probe_stack_range): Restore simple control flow and stop
1394         again when the probe cannot be generated if HAVE_check_stack.
1395
1396 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
1397
1398         PR rtl-optimization/53519
1399         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1400         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1401
1402 2012-05-29  Richard Guenther  <rguenther@suse.de>
1403
1404         PR tree-optimization/53516
1405         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1406         bitfield accesses.
1407         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1408
1409 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1410
1411         Backport from mainline
1412         2012-05-28  Richard Guenther  <rguenther@suse.de>
1413
1414         PR tree-optimization/53438
1415         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1416
1417 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1418
1419         Backport from mainline
1420         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1421
1422         PR rtl-optimization/52528
1423         * combine.c (can_combine_p): Add setting of subst_low_luid
1424         before call to expand_field_assignment().
1425
1426 2012-05-26  Martin Jambor  <mjambor@suse.cz>
1427
1428         Backport from mainline
1429         2012-05-23  Martin Jambor  <mjambor@suse.cz>
1430
1431         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1432
1433 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1434
1435         PR lto/52178
1436         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1437         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1438
1439 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1440
1441         PR target/53435
1442         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1443         (ix86_expand_vec_perm): Use int mode instead of float.
1444
1445 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1446
1447         PR ada/52362
1448         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1449         gnu_ld variables to yes.
1450         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1451         (HAVE_GNU_AS): Likewise.
1452         * config.in: Regenerate.
1453         * configure: Likewise.
1454
1455 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1456
1457         Backport from mainline
1458         2012-03-12  Richard Guenther  <rguenther@suse.de>
1459         * config/arm/arm.c (neon_dereference_pointer): Do not call
1460         covert during RTL expansion.
1461
1462 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1463
1464         Backport from mainline
1465         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1466
1467         PR target/53385
1468         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1469         relied on signed overflow behavior.
1470
1471 2012-05-24  Richard Guenther  <rguenther@suse.de>
1472
1473         PR middle-end/53460
1474         * tree-profile.c (tree_profiling): Cleanup the CFG if
1475         execute_fixup_cfg requests it.
1476
1477 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1478
1479         PR tree-optimization/53465
1480         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1481         vr0 into *vr, then vrp_meet that.
1482         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1483         have any equivalences.
1484         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1485         first time.
1486
1487 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1488
1489         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1490         size handling.
1491         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1492         (iterative_hash_gimple_type): Adjust comment.
1493         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1494         domain for an array type instead of the domain type itself.
1495
1496 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1497
1498         Backport from 2012-05-23 mainline r187803
1499
1500         PR target/53448
1501         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1502         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1503         ASM_OUTPUT_ALIGN.
1504
1505 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1506
1507         Backport from 2012-05-03 mainline r187075
1508
1509         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1510         has_fma4 for AMD processors with both fma3 and fma4 support.
1511
1512 2012-05-22  Richard Guenther  <rguenther@suse.de>
1513
1514         PR tree-optimization/53408
1515         * tree-vect-loop.c (vectorizable_induction): Properly check
1516         the restriction that we cannot handle induction results from
1517         the inner loop outside of the outer loop.
1518
1519 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1520
1521         PR tree-optimization/53436
1522         * omp-low.c (omp_build_component_ref): New function.
1523         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1524
1525         PR tree-optimization/53366
1526         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1527         tests if complex_numbers == 2, but there are non-complex number loads
1528         too.
1529
1530         PR tree-optimization/53409
1531         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1532         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1533
1534         PR tree-optimization/53410
1535         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1536         instead of build_int_cst (type, 0) where vector types might be
1537         involved.
1538
1539 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1540
1541         PR c/53418
1542         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1543         from folded operands before wrapping another around the
1544         conditional expression.
1545
1546 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
1547             Patrick Marlier  <patrick.marlier@gmail.com>
1548
1549         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1550         indirect calls.
1551
1552 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1553
1554         Backport from mainline
1555         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1556
1557         PR target/53416
1558         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1559         (UNSPECV_RDRAND): This.
1560         (rdrand<mode>_1): Updated.
1561
1562 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1563
1564         Backport from mainline
1565         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1566
1567         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1568         RDRND, F16C and FSGSBASE.
1569
1570 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1571
1572         Backport from mainline
1573         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1574
1575         * tree-ssa-pre.c (can_value_number_call): Delete.
1576         (compute_avail): Skip all statements with side effects.
1577         <GIMPLE_CALL>: Skip calls to internal functions.
1578
1579 2012-05-18  David S. Miller  <davem@davemloft.net>
1580
1581         Backport r185385 from mainline
1582         2012-03-14  Richard Guenther  <rguenther@suse.de>
1583
1584         PR middle-end/52584
1585         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1586         element type instead of mode, use build_vector_type_for_mode
1587         instead of the langhook, build a vector of proper signedness.
1588         (expand_vector_operations_1): Adjust.
1589
1590 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1591
1592         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1593         $(libsubdir) as libexecsubdir.
1594
1595 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1596
1597         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1598         GIMPLE_ASSIGN.
1599
1600 2012-05-16  David S. Miller  <davem@davemloft.net>
1601
1602         * jump.c (delete_related_insns): If we remove a CALL, make sure
1603         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1604
1605 2012-05-16  Richard Henderson  <rth@redhat.com>
1606
1607         PR debug/52727
1608         * combine-stack-adj.c (prev_active_insn_bb): New.
1609         (next_active_insn_bb): New.
1610         (force_move_args_size_note): New.
1611         (combine_stack_adjustments_for_block): Use it.
1612
1613 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1614
1615         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1616         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1617         Add comments and improve stamp preservation across the whole sequence.
1618         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1619
1620 2012-05-16  Richard Guenther  <rguenther@suse.de>
1621
1622         PR tree-optimization/53364
1623         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1624         detect a view-conversion of the decl.
1625
1626 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1627
1628         PR target/53358
1629         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1630         that operands[2] is either immediate, or q_regs_operand.
1631
1632 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1633
1634         Backport r187139 from mainline.
1635         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1636
1637         PR rtl-optimization/52804
1638         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1639         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1640         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1641         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1642         RELOAD_FOR_OUTADDR_ADDRESS.
1643
1644 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1645
1646         PR target/46098
1647         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1648         generate target register for "load" class builtins.
1649
1650         Revert:
1651         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1652
1653         PR target/46098
1654         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1655         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1656         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1657         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1658         (<sse>_movu<ssemodesuffix>): New expander.
1659         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1660         (avx_movdqu<avxmodesuffix>): New expander.
1661         (*sse2_movdqu): Rename from sse2_movdqu.
1662         (sse2_movdqu): New expander.
1663
1664 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1665
1666         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1667         lineno 1 the same as lineno 0 before first start file directive.
1668         (optimize_macinfo_range): Likewise.
1669
1670         * dwarf2out.c (have_macinfo): Define.
1671         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1672         attribute, don't force empty compilation unit and don't emit any
1673         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1674
1675 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1676
1677         Backport from mainline
1678         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1679
1680         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1681         ORDERED and UNORDERED conditions.
1682
1683 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1684
1685         * function.c (requires_stack_frame_p): If the function can throw
1686         non-call exceptions, return true if the insn can throw internally.
1687
1688 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1689
1690         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1691         DECL_ORIGINAL_TYPE if it is present.
1692
1693 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1694
1695         Backport from 2012-05-12 mainline r187342.
1696
1697         PR target/53256
1698         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1699         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1700         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1701         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1702         (expand_prologue): Move initialization of cfun->machine->is_naked,
1703         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1704         (avr_set_current_function): ...this new static function.
1705         (TARGET_SET_CURRENT_FUNCTION): New define.
1706         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1707         checking attributes of current_function_decl.
1708         (avr_regs_to_save): Ditto.
1709         (signal_function_p): Rename to avr_signal_function_p.
1710         (interrupt_function_p): Rename to avr_interrupt_function_p.
1711
1712         * doc/extend.texi (Function Attributes): Better explanation of
1713         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1714         alphabetical order.
1715
1716 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1717
1718         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1719
1720 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1721
1722         PR target/53272
1723         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1724         when a constant source operand matches an "I" constraint, the "no
1725         CC0 change" applies to a register-destination only, not a
1726         strict_low_part-destination.
1727
1728 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1729
1730         Backport from mainline:
1731         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1732
1733         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1734
1735 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1736
1737         PR tree-optimization/53239
1738         * tree-vrp.c (get_value_range): Set VR of
1739         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1740         to nonnull.
1741
1742 2012-05-07  Richard Guenther  <rguenther@suse.de>
1743
1744         PR tree-optimization/53195
1745         * tree-inline.c (setup_one_parameter): Properly add referenced
1746         vars from the parameters new known value.
1747
1748 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1749
1750         Backport from mainline:
1751         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1752
1753         PR target/52999
1754         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1755         in constant pool.
1756
1757 2012-05-04  Ian Lance Taylor  <iant@google.com>
1758
1759         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1760         values from false to NULL.
1761
1762 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1763
1764         Backport from mainline
1765         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1766
1767         PR target/53228
1768         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1769         (TARGET_CMOV): Rename from TARGET_CMOVE.
1770         (TARGET_CMOVE): New define.
1771         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1772         Do not set TARGET_CMOVE here.
1773
1774 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1775
1776         Backport from mainline:
1777
1778         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1779
1780         PR tree-optimization/52633
1781         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1782         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1783         (vect_recog_over_widening_pattern): Remove handling of code that was
1784         already detected as over-widening pattern.  Remove special handling
1785         of "unsigned" cases.  Instead, support general case of conversion
1786         of the shift result to another type.
1787
1788         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1789
1790         * tree-vect-patterns.c (vect_single_imm_use): New function.
1791         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1792         (vect_recog_over_widening_pattern): Likewise.
1793         (vect_recog_widen_shift_pattern): Likewise.
1794
1795         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1796
1797         PR tree-optimization/52870
1798         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1799         presumed pattern statement is within the same loop or basic block.
1800
1801 2012-05-04  Richard Guenther  <rguenther@suse.de>
1802
1803         * common.opt (flto-report): Do not mark as Optimization.
1804
1805 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1806
1807         PR target/48496
1808         * recog.c (constrain_operands): If extra constraints are present, also
1809         accept pseudo-registers with equivalent memory locations during reload.
1810
1811 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1812
1813         Backport from the mainline
1814         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1815
1816         PR target/53199
1817         * config/rs6000/rs6000.md (bswapdi splitters): If
1818         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1819         default) is used, generate an alternate sequence that does not
1820         depend on using indexed addressing.
1821
1822 2012-05-03  David S. Miller  <davem@davemloft.net>
1823
1824         PR target/52684
1825         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1826         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1827         (sparc_emit_float_lib_cmp): Likewise.
1828
1829 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1830
1831         Backport from mainline
1832         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1833
1834         PR lto/52605
1835         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1836         of a variable when the contect is a function.
1837
1838 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1839
1840         PR plugins/53126
1841         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1842         append program name to it and pass that as first argument
1843         to make_relative_prefix.  Always pass standard_libexec_prefix
1844         as last argument to make_relative_prefix.  If
1845         make_relative_prefix returns NULL, fall back to
1846         standard_libexec_prefix.
1847
1848         PR debug/53174
1849         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1850         removed.
1851
1852         PR target/53187
1853         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1854         mode, return that mode.
1855
1856 2012-05-03  Richard Guenther  <rguenther@suse.de>
1857
1858         PR tree-optimization/53144
1859         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1860         Rename to ...
1861         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1862         with SSA name values.
1863         (vn_reference_lookup_3): Adjust callers.
1864
1865 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1866
1867         PR tree-optimization/53163
1868         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1869         return value from compute_all_dependences.
1870
1871         PR rtl-optimization/53160
1872         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1873         has been modified by ree pass already.
1874
1875 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1876
1877         Backport from mainline
1878         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1879
1880         PR middle-end/53136
1881         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1882         calls to cgraph_node_name in xstrdup.
1883         (ipa_make_edge_direct_to_target): Ditto.
1884         * tree-sra.c (convert_callers_for_node): Ditto.
1885         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1886         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1887         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1888         (cgraph_materialize_all_clones): Ditto.
1889         * ipa-inline.c (report_inline_failed_reason): Ditto.
1890         (want_early_inline_function_p): Ditto.
1891         (edge_badness): Ditto.
1892         (update_edge_key): Ditto.
1893         (flatten_function): Ditto.
1894         (ipa_inline): Ditto.
1895         (inline_always_inline_functions): Ditto.
1896         (early_inline_small_functions): Ditto.
1897
1898 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1899
1900         Backport from mainline
1901         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1902
1903         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1904         Introduce emul_name to select the right linker emulation for
1905         powerpc64-*-freebsd*.
1906         * configure: Regenerate.
1907         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1908         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1909         * config/rs6000/freebsd64.h: New file.
1910         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1911         POWERPC_FREEBSD.
1912         (rs6000_savres_strategy): Likewise.
1913         (rs6000_savres_routine_name): Likewise.
1914         (rs6000_elf_file_end): Likewise.
1915         * config/rs6000/t-freebsd64: New file.
1916         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1917         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1918
1919 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1920
1921         Backport from mainline
1922         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1923
1924         PR target/53138
1925         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1926
1927 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1928
1929         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1930         predicate to discriminate types.
1931
1932 2012-04-27  Richard Guenther  <rguenther@suse.de>
1933
1934         PR c/51527
1935         * convert.c (convert_to_integer): Avoid infinite recursion for
1936         target-defined built-in types.
1937
1938 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1939
1940         PR target/53120
1941         * config/cris/cris.md ("*andhi_lowpart_v32")
1942         ("*andqi_lowpart_v32"): Change first input-only operand from
1943         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1944         const_int-matching constraints for redundancy.
1945         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1946         three-operand alternative.
1947
1948 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1949
1950         Backport from mainline
1951         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1952
1953         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1954         (*addsi_2_zext): Ditto.
1955         (*add<mode>_3): Ditto.
1956         (*addsi_3_zext): Ditto.
1957         (*add<mode>_5): Ditto.
1958
1959 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1960
1961         PR c/52880
1962         * c-typeck.c (set_nonincremental_init,
1963         set_nonincremental_init_from_string): Pass true instead of false
1964         as IMPLICIT to add_pending_init.
1965
1966 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1967
1968         Backport from 2012-04-24 mainline r186768.
1969
1970         PR target/53065
1971         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1972
1973 2012-04-24  Richard Guenther  <rguenther@suse.de>
1974
1975         PR tree-optimization/53085
1976         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1977         stores.
1978
1979 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1980
1981         PR middle-end/53084
1982         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1983         of MEM_REF.
1984         (output_addressed_constants): Likewise.
1985
1986         PR middle-end/52999
1987         * varasm.c (get_section): Don't ICE for section conflicts with
1988         built-in section kinds.
1989
1990 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1991
1992         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1993
1994 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1995
1996         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1997
1998 2012-04-23  Richard Guenther  <rguenther@suse.de>
1999
2000         PR c/53060
2001         * c-typeck.c (build_binary_op): Fix typo.
2002
2003 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
2004
2005         PR tree-optimizations/52891
2006         * tree-vect-patterns.c (adjust_bool_pattern): Use
2007         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2008         but with non-standard precision.
2009
2010 2012-04-22  Ian Lance Taylor  <iant@google.com>
2011
2012         * godump.c (go_output_typedef): Dump size of structs.
2013
2014 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
2015
2016         Backport from mainline:
2017
2018         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2019         hints for 'A' operand types.
2020
2021 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
2022
2023         Backport from 2012-04-19 mainline r186588.
2024
2025         PR target/53033
2026         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2027         the case *(X+const).
2028
2029 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
2030
2031         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2032
2033 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
2034
2035         PR target/53020
2036         * config/i386/sync.md (atomic_<code><mode>): Rename to
2037         atomic_<logic><mode>.
2038
2039 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
2040
2041         Backport from mainline
2042         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
2043
2044         PR target/52932
2045         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2046         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
2047         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2048         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2049         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2050         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2051         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2052         gen_avx2_permvarv8sf.
2053
2054 2012-04-16  Martin Jambor  <mjambor@suse.cz>
2055
2056         Backported from mainline
2057
2058         2012-04-13  Martin Jambor  <mjambor@suse.cz>
2059         PR middle-end/52939
2060
2061         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2062         fold_ctor_reference returns a zero constant.
2063
2064 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2065
2066         Backported from mainline
2067         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2068
2069         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2070         and __ILP32__ for x32.
2071
2072 2012-04-13  Tom de Vries  <tom@codesourcery.com>
2073
2074         Backport from mainline r186418.
2075
2076         2012-04-13  Tom de Vries  <tom@codesourcery.com>
2077
2078         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2079         parameters vuse and vuse_escaped.
2080         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
2081         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
2082         vuse1 != vuse2.
2083
2084 2012-04-13  Richard Guenther  <rguenther@suse.de>
2085
2086         PR tree-optimization/52969
2087         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2088         the condition for the COND_EXPR and handle predicate negation
2089         by swapping the COND_EXPR arms.
2090
2091 2012-04-13  Richard Guenther  <rguenther@suse.de>
2092
2093         PR c/52862
2094         * convert.c (convert_to_pointer): Remove special-casing of
2095         zero.
2096
2097 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2098
2099         Backport from mainline
2100         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2101
2102         PR target/52775
2103         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2104         the list of options to enable the FCFID instruction.
2105         (TARGET_EXTRA_BUILTINS): Adjust comment.
2106
2107 2012-04-12  Richard Guenther  <rguenther@suse.de>
2108
2109         PR tree-optimization/52943
2110         * tree-chrec.h (chrec_is_positive): Remove.
2111         * tree-scalar-evolution.c (chrec_is_positive): Move ...
2112         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
2113         Return false for a constant zero instead of negative.
2114         (analyze_siv_subscript_cst_affine): Handle zero difference
2115         in the initial condition explicitely.
2116
2117 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2118
2119         PR middle-end/52894
2120         * varasm.c (process_pending_assemble_externals): Set
2121         pending_assemble_externals_processed true.
2122         (assemble_external): Call assemble_external_real if the pending
2123         assemble externals have been processed.
2124
2125 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2126
2127         PR target/52717
2128         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2129         the DECL generated for the special GOT helper.
2130
2131 2012-04-06  Walter Lee  <walt@tilera.com>
2132
2133         Backport from mainline
2134         2012-03-07  Walter Lee  <walt@tilera.com>
2135
2136         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2137         REG_CFA_* notes for the stack pointer.
2138         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2139         EH_RETURN_STACKADJ_RTX.
2140         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2141         generate REG_CFA_* notes for the stack pointer.
2142         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2143         by EH_RETURN_STACKADJ_RTX.
2144
2145 2012-04-06  Matt Turner  <mattst88@gmail.com>
2146
2147         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2148
2149 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
2150
2151         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2152         of the destination isn't also a FP_REGS register.
2153
2154 2012-04-03  Richard Guenther  <rguenther@suse.de>
2155
2156         Backport from mainline
2157         2012-03-02  Richard Guenther  <rguenther@suse.de>
2158
2159         PR tree-optimization/52406
2160         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2161         (struct indices): Add unconstrained_base member.
2162         (struct dr_alias): Remove unused vops member.
2163         (DR_UNCONSTRAINED_BASE): New define.
2164         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2165         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
2166         be an artificial access that covers the whole indexed object,
2167         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
2168         plain decl base-objects to their MEM_REF variant.
2169         (dr_may_alias_p): When the base-object of either data reference
2170         has unknown size use only points-to information.
2171         (compute_affine_dependence): Make dumps easier to read and
2172         more verbose.
2173         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2174         DR_REF when looking for packed references.
2175         (vect_supportable_dr_alignment): Likewise.
2176
2177 2012-04-03  Richard Guenther  <rguenther@suse.de>
2178
2179         Backport from mainline
2180         2012-03-15  Richard Guenther  <rguenther@suse.de>
2181
2182         PR middle-end/52580
2183         * tree-data-ref.c (subscript_dependence_tester_1): Check
2184         all dimensions for non-conflicting access functions.
2185
2186 2012-04-03  Richard Guenther  <rguenther@suse.de>
2187
2188         Backport from mainline
2189         2012-03-06  Richard Guenther  <rguenther@suse.de>
2190
2191         PR middle-end/52493
2192         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2193
2194         2012-03-23  Richard Guenther  <rguenther@suse.de>
2195
2196         PR tree-optimization/52678
2197         * tree-vectorizer.h (struct _stmt_vec_info): Add
2198         loop_phi_evolution_part member.
2199         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2200         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2201         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2202         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2203         Use the cached evolution part and the PHI nodes value from
2204         the loop preheader edge instead of re-analyzing the evolution.
2205
2206         2012-03-26  Richard Guenther  <rguenther@suse.de>
2207
2208         PR tree-optimization/52701
2209         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2210         compute and set the evolution part of PHI nodes.
2211
2212         2012-03-30  Richard Guenther  <rguenther@suse.de>
2213
2214         PR tree-optimization/52754
2215         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2216         propagate arbitrary addresses into really plain dereferences.
2217
2218 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
2219
2220         PR tree-optimization/52835
2221         * tree-data-ref.c (build_rdg): Return NULL if
2222         compute_data_dependences_for_loop failed.
2223
2224 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
2225
2226         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2227         (stmt_can_make_abnormal_goto): Use it.
2228         (is_ctrl_altering_stmt): Likewise.
2229
2230 2012-03-31  Martin Jambor  <mjambor@suse.cz>
2231
2232         Backported from mainline
2233         2012-03-30  Martin Jambor  <mjambor@suse.cz>
2234
2235         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2236         is a builtin_stack_save in a dominating BB.
2237
2238 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2239
2240         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2241         crossing 128bit lane boundary.
2242
2243 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2244
2245         Backported from mainline
2246         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
2247
2248         PR target/52698
2249         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2250         New prototype.
2251         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2252         * config/i386/i386.c: Include reload.h.
2253         (ix86_legitimize_reload_address): New function.
2254
2255 2012-03-28  Martin Jambor  <mjambor@suse.cz>
2256
2257         Backported from mainline
2258         2012-03-27  Martin Jambor  <mjambor@suse.cz>
2259
2260         PR middle-end/52693
2261         * tree-sra.c (sra_modify_assign): Do not call
2262         load_assign_lhs_subreplacements when working with an unscalarizable
2263         region.
2264
2265 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2266
2267         PR middle-end/52691
2268         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2269         __builtin_va_start to __builtin_next_arg if the latter is
2270         builtin_decl_explicit_p rather than when it is not.
2271
2272         PR middle-end/52750
2273         * tree-vect-generic.c (vector_element): Perform multiplication
2274         for pos in bitsizetype type instead of idx type.
2275
2276 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2277
2278         Backport from 2012-03-28 mainline r185910.
2279
2280         PR target/52692
2281         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2282         (avr_builtin_decl): New static function.
2283         (struct avr_builtin_description, avr_bdesc): Move up.
2284         Add GTY marker. Add field fndecl. Remove redundant field id.
2285         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2286         (avr_expand_builtin): Code cleanup because .id is removed.
2287
2288 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
2289
2290         PR middle-end/51893
2291         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2292         targets.
2293
2294 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2295
2296         Backport from 2012-03-28 mainline r185907.
2297
2298         PR target/52737
2299         * config.gcc (tm_file): Remove avr/multilib.h.
2300
2301         * doc/invoke.texi (AVR Options): Adjust
2302         documentation of -mtiny-stack.
2303
2304         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2305         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2306         * config/avr/t-avr: Remove generation of multilib.h.
2307         * config/avr/t-multilib: Regenerate.
2308         * config/avr/multilib.h: Remove.
2309         * config/avr/avr.opt (-msp8): New option.
2310         (avr_sp8): New variable.
2311         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2312         * config/avr/avr.h (AVR_HAVE_SPH): New define.
2313         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2314         (avr_device_to_sp8): New prototype.
2315         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2316         (DRIVER_SELF_SPECS): New define.
2317         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2318         __AVR_SP8__, __AVR_HAVE_SPH__.
2319         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2320         AVR_HAVE_8BIT_SP to decide if SP_H is present.
2321         (avr_file_start): Ditto.
2322
2323 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2324
2325         PR target/52736
2326         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2327         instead of 8 in adjust_address.
2328
2329 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
2330
2331         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2332         of a unit before computing the offset in units.
2333
2334 2012-03-27  Richard Guenther  <rguenther@suse.de>
2335
2336         PR middle-end/52720
2337         * fold-const.c (try_move_mult_to_index): Handle &x.array more
2338         explicitely.
2339
2340 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2341
2342         PR target/52610
2343         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2344
2345 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
2346
2347         PR middle-end/52640
2348         * varasm.c: Include pointer-set.h.
2349         (pending_assemble_externals_set): New pointer set.
2350         (process_pending_assemble_externals): Destroy the pointer set.
2351         (assemble_external): See if decl is in pending_assemble_externals_set,
2352         and add it to pending_assemble_externals if necessary.
2353         (init_varasm_once): Allocate pending_assemble_externals_set.
2354
2355 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2356
2357         Backported from mainline
2358         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2359
2360         PR target/50310
2361         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2362         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2363         (vector_ltgt<mode>): Likewise.
2364         (vector_ordered<mode>): Likewise.
2365         (vector_unordered<mode>): Likewise.
2366         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2367
2368 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
2369
2370         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2371         Make static.
2372
2373 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2374
2375         Backported from mainline
2376         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
2377
2378         PR target/48596
2379         PR target/48806
2380         * config/sh/sh.c (sh_register_move_cost): Increase cost between
2381         GENERAL_REGS and FP_REGS for SImode.
2382
2383 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2384
2385         PR middle-end/52547
2386         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2387         on any new_local_var_chain vars declared during recursing on
2388         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2389
2390 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2391
2392         Backport from 2012-03-22 mainline r185692.
2393
2394         PR target/52496
2395         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2396         (unspecv): Add UNSPECV_MEMORY_BARRIER.
2397         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2398         (delay_cycles_1, delay_cycles_2): Ditto.
2399         (delay_cycles_3, delay_cycles_4): Ditto.
2400         (nopv, *nopv): Ditto.
2401         (sleep, *sleep): Ditto.
2402         (wdr, *wdr): Ditto.
2403
2404         Backport from 2012-03-21 mainline r185605.
2405
2406         PR rtl-optimization/52543
2407         PR target/52461
2408         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2409         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2410         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2411         (avr_load_libgcc_p): Restrict to __flash loads.
2412         (avr_out_lpm): Only handle 1-byte loads from __flash.
2413         (avr_load_lpm): New function.
2414         (avr_find_unused_d_reg): Remove.
2415         (avr_out_lpm_no_lpmx): Remove.
2416         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2417         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2418         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2419         (load_<mode>, load_<mode>_clobber): New insns.
2420         (mov<mode>): For multi-byte move from non-generic
2421         16-bit address spaces: Expand to load_<mode> resp.
2422         load_<mode>_clobber.
2423         (load<mode>_libgcc): Remove expander.
2424         (split-lpmx): Remove split.
2425
2426         Backport from 2012-03-13 mainline r185329.
2427
2428         PR target/52488
2429         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2430         offset (size) to a value the insns can deal with.
2431         (expand_epilogue): Ditto.
2432
2433         Backport from 2012-03-12 mainline r185256.
2434
2435         PR target/52499
2436         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2437         type from reg_class_t to enum reg_class.
2438         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2439
2440         Backport from 2012-03-12 mainline r185253.
2441
2442         PR target/52148
2443         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2444         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2445         r184615 from 2012-02-28.
2446
2447         Backport from 2012-03-08 mainline r185105.
2448
2449         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2450         for constants in [-63,63].
2451
2452         Backport from 2012-03-08 mainline r185100.
2453
2454         PR target/52496
2455         * config/avr/avr.c (avr_mem_clobber): New static function.
2456         (avr_expand_delay_cycles): Add memory clobber operand to
2457         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2458         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2459         (enable_interrupt, disable_interrupt): New expander.
2460         (nopv, sleep, wdr): New expanders.
2461         (delay_cycles_1): Add memory clobber.
2462         (delay_cycles_2): Add memory clobber.
2463         (delay_cycles_3): Add memory clobber.
2464         (delay_cycles_4): Add memory clobber.
2465         (cli_sei): New insn from former "enable_interrupt",
2466         "disable_interrupt" with memory clobber.
2467         (*wdt): New insn from former "wdt" with memory clobber.
2468         (*nopv): Similar, but for "nopv".
2469         (*sleep): Similar, but for "sleep".
2470
2471         Backport from 2012-03-07 mainline r185043.
2472
2473         PR target/52484
2474         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2475
2476         Backport from 2012-03-07 mainline r185032.
2477
2478         PR target/52506
2479         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2480         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2481         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2482
2483         Backport from 2012-03-07 mainline r185031.
2484
2485         PR target/52505
2486         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2487         from RAM.
2488         * config/avr/avr.md (xload_8): Adjust insn length.
2489
2490         Backport from 2012-03-07 mainline r185030.
2491
2492         PR target/52461
2493         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2494         if RAMPZ affects reading from RAM.
2495
2496         Backport from 2012-03-05 mainline r184919.
2497
2498         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2499
2500 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2501
2502         Backport from mainline r185259.
2503
2504         PR other/52545
2505         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2506         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2507
2508 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2509
2510         Backported from mainline
2511         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
2512
2513         PR c/52577
2514         * c-parser.c (c_parser_postfix_expression)
2515         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2516
2517         * config/i386/smmintrin.h: Avoid /* within a comment.
2518         * config/i386/nmmintrin.h: Likewise.
2519
2520 2012-03-22  Richard Guenther  <rguenther@suse.de>
2521
2522         * BASE-VER: Set to 4.7.1.
2523         * DEV-PHASE: Set to prerelease.
2524
2525 2012-03-22  Release Manager
2526
2527         * GCC 4.7.0 released.
2528
2529 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2530
2531         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2532
2533 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
2534             Andrew Pinski  <apinski@cavium.com>
2535
2536         PR middle-end/52592
2537         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2538         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2539         calls instead of __builtin_ir{int,ound}*.
2540
2541 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
2542
2543         PR c++/52582
2544         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2545         if c_node is NULL.
2546
2547 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2548
2549         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2550         Refer to GCC 4.7 version of c99status.html.
2551
2552 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2553
2554         Backport from mainline
2555         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2556
2557         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2558         redefine to be NULL if the current bit-size is different from the
2559         configured bit-size.
2560
2561         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2562         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2563         set the default tuning.  Add asserts to make sure the cpu and tune
2564         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2565         test whether the index is set, instead of > 0.
2566         (rs6000_file_start): Do not reset the default cpu if the current
2567         bit-size is different from the configured bit-size.
2568
2569 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2570
2571         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2572         binutils reference.
2573         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2574         Update binutils references.
2575         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2576         Update binutils reference.
2577         Update Sun as/GNU ld caveat.
2578         Document binutils largefile requirement for LTO plugin.
2579         Remove reference to alternate libpthread.
2580
2581 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2582
2583         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2584         reference.
2585         (Specific, mips-sgi-irix6): Likewise.
2586
2587 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2588
2589         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2590         * configure: Regenerate.
2591
2592 2012-03-07  Richard Henderson  <rth@redhat.com>
2593
2594         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2595         * config/m68k/sync.md (atomic_test_and_set): Use it.
2596         (atomic_test_and_set_1): Likewise.
2597
2598 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
2599
2600         PR target/51417
2601         * Makefile.in: Let install-gcc-ar depend on installdirs,
2602         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2603         Don't double canonicalize if cross-compiling.
2604
2605 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2606
2607         * trans-mem.c: New typedef for tm_region_p.
2608         Define vector types for tm_region_p.
2609         (tm_region_init): Replace region_worklist to a vector called
2610         bb_regions.
2611
2612 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2613
2614         PR middle-end/52463
2615         * trans-mem.c (tm_region_init): Use last_basic_block.
2616
2617 2012-03-05  Richard Henderson  <rth@redhat.com>
2618
2619         PR tree-opt/52242
2620         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2621         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2622         BIGGEST_ALIGNMENT is aligned.
2623
2624 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2625
2626         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2627
2628 2012-03-05  Richard Henderson  <rth@redhat.com>
2629
2630         PR target/52481
2631         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2632         instead of calling negqi2 directly.
2633
2634 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2635
2636         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2637         (INTMAX_TYPE): Use it.
2638         (UINTMAX_TYPE): Likewise.
2639         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2640         (irix6_c_common_override_options): Declare.
2641         (C_COMMON_OVERRIDE_OPTIONS): Define.
2642         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2643         * config/mips/irix6-c.c: New file.
2644         * config/mips/t-irix6 (irix6-c.o): New target.
2645         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2646         cxx_target_objs.
2647
2648 2012-03-02  Richard Henderson  <rth@redhat.com>
2649
2650         * optabs.c (expand_atomic_test_and_set): Honor
2651         atomic_test_and_set_trueval even when atomic_test_and_set
2652         optab is not in use.
2653
2654 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2655
2656         Backport from mainline
2657         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2658
2659         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2660
2661 2012-03-02  Richard Guenther  <rguenther@suse.de>
2662
2663         * DEV-PHASE: Set to prerelease.
2664
2665 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2666
2667         * config.gcc (obsolete): Add all ARM targets using the FPA.
2668         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2669         * doc/install.texi: Avoid references to obsolete ARM ports.
2670
2671 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2672
2673         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2674
2675 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2676             Joern Rennecke  <joern.rennecke@embecosm.com>
2677
2678         * doc/extend.texi: Expand and update information on interrupt
2679         attribute for Epiphany.
2680
2681 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2682
2683         * config/sh/sh-protos.h: Update copyright notice dates.
2684         * config/sh/sh.h: Likewise.
2685         * config/sh/sh.md: Likewise.
2686         * config/sh/constraints.md: Likewise.
2687         * config/sh/predicates.md: Likewise.
2688
2689 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2690
2691         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2692         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2693
2694 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2695
2696         * config/sh/constraints.md: Fix comment typo.
2697
2698 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2699
2700         PR target/52408
2701         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2702         unsigned HOST_WIDE_INT.
2703         (zvdep_imm64): Likewise.
2704         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2705         (vdepi_and): Likewise.
2706         Likewise for unamed 64-bit patterns.
2707         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2708
2709 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2710
2711         PR debug/52001
2712         PR rtl-optimization/52417
2713         * cselib.c (cselib_any_perm_equivs): New variable.
2714         (cselib_reset_table): Check that it's not set when not
2715         preserving constants.
2716         (cselib_add_permanent_equiv): Set it.
2717         (cselib_have_permanent_equivalences): New.
2718         (cselib_init, cselib_finish): Reset it.
2719         * cselib.h (cselib_have_permanent_equivalences): Declare.
2720         * alias.c (get_addr): Restore earlier behavior when there
2721         aren't permanent equivalences.
2722
2723 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2724
2725         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2726         * config/v850/v850-modes.def: Fix copyright notice.
2727
2728 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2729
2730         * doc/extend.texi (AVR Built-in Functions): Document
2731         __builtin_avr_flash_segment.
2732
2733         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2734         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2735         (*split.flash_segment): New insn-and-split.
2736         * config/avr/avr.c (avr_init_builtins): Add local variables:
2737         const_memx_void_node, const_memx_ptr_type_node,
2738         char_ftype_const_memx_ptr.
2739
2740 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2741
2742         PR tree-optimization/52445
2743         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2744         add ssa_name_ver, offset and size fields and change store field
2745         to bool.
2746         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2747         (add_or_mark_expr): Likewise.  Only consider previous stores
2748         with the same size and offset.
2749         (nt_init_block): Only look at gimple_assign_single_p stmts,
2750         doesn't look at rhs2.
2751
2752 2012-03-01  Richard Guenther  <rguenther@suse.de>
2753
2754         PR middle-end/52443
2755         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2756         conversions from integral types to pointer types.
2757
2758 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2759
2760         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2761         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2762         unintentionally removed in r184616.
2763
2764 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2765
2766         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2767         3DNow from bdver1.
2768
2769 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2770             Uros Bizjak  <ubizjak@gmail.com>
2771
2772         PR target/52437
2773         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2774         alternatives, add "e" constraint to the new last alternative
2775         and ! to last 3 alternatives.
2776
2777 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2778
2779         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2780         DW_AT_artificial attributes at the end of the processing.
2781         (gen_array_type_die): Likewise.
2782         (gen_enumeration_type_die): Likewise.
2783         (gen_struct_or_union_type_die): Likewise.
2784         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2785         the parent type.
2786
2787 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2788
2789         PR middle-end/52419
2790         * expr.c (expand_assignment): If doing misaligned store that doesn't
2791         cover all mode bits, perform a RMW cycle.
2792
2793         PR tree-optimization/52429
2794         * tree-parloops.c (separate_decls_in_region_debug): Return early
2795         if var is LABEL_DECL.
2796
2797 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2798
2799         PR tree-optimization/52424
2800         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2801         calling dom_thread_across_edge.
2802
2803 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2804
2805         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2806
2807 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2808
2809         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2810         * config/avr/avr.c (avr_output_bld): Remove unused function.
2811         (avr_out_sbxx_branch): Use "%T" to print bit position.
2812
2813 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2814
2815         * config/avr/avr.md: Untabify.
2816
2817 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2818
2819         * config/avr/avr.md (eqne): New code iterator.
2820         (*dec-and-branchsi): Use it in text peephole's condition.
2821         (*dec-and-branchhi): Ditto.
2822         (*dec-and-branchqi): Ditto.
2823
2824 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2825
2826         PR target/49939
2827         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2828         the device does not have the skip-bug.
2829
2830 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2831
2832         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2833         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2834         -mpretend-cmove): New.
2835
2836 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2837
2838         PR bootstrap/52397
2839         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2840         doesn't count DEBUG_INSN refs.
2841         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2842         for DEBUG_INSN refs.
2843
2844 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2845
2846         Partially revert:
2847
2848         2012-02-20  Richard Guenther  <rguenther@suse.de>
2849         PR tree-optimization/52298
2850         * tree-vect-stmts.c (vectorizable_load): Properly use
2851         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2852         outer loops.
2853
2854 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2855
2856         PR middle-end/51752
2857         * gimple.h (gimple_in_transaction): New.
2858         (gimple_set_in_transaction): New.
2859         (struct gimple_statement_base): Add in_transaction field.
2860         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2861         transaction loads.
2862         (tree_ssa_lim_initialize): Compute transaction bits.
2863         * tree.h (compute_transaction_bits): Protoize.
2864         * trans-mem.c (tm_region_init): Use the heap to store BB
2865         auxilliary data.
2866         (compute_transaction_bits): New.
2867
2868 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2869
2870         * gcc.c (display_help): Document --help=common and sort entries
2871         alphabetically.
2872
2873 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2874
2875         * doc/install.texi: Document check-$LANG specific shortcuts
2876
2877 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2878
2879         PR target/51534
2880         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2881         and vcgtu.
2882         * config/arm/arm_neon.h: Regenerate.
2883         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2884         (neon_vcgeu): New insn.
2885         (neon_vcgtu): Likewise.
2886         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2887         (ops): Unsigned comparison intrinsics call a different
2888         builtin.
2889
2890 2012-02-28  Richard Guenther  <rguenther@suse.de>
2891
2892         PR target/52407
2893         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2894         ordering for the VEC_CONCAT for two element vectors for
2895         V2SFmode, V2SImode and V2DImode.
2896
2897 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2898
2899         PR target/49448
2900         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2901         detecting big-endian triplets.
2902
2903 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2904
2905         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2906         mode if there is no type information available.
2907
2908 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2909
2910         PR tree-optimization/53207
2911         * doc/invoke.texi: Document as experimental and relying on graphite.
2912
2913 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2914
2915         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2916         of initializer to changes from r184614.
2917
2918 2012-02-28  Richard Guenther  <rguenther@suse.de>
2919
2920         PR tree-optimization/52395
2921         * tree-sra.c (build_ref_for_offset): Also look at the base
2922         TYPE_ALIGN when figuring out the alignment of the replacement.
2923
2924 2012-02-28  Richard Guenther  <rguenther@suse.de>
2925
2926         PR tree-optimization/52402
2927         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2928         mis-aligned types when creating the accesses at the call site.
2929
2930 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2931
2932         * config/avr/builtins.def: New file.
2933         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2934         * config/avr/avr.c (enum avr_builtin_id): Use it.
2935         (avr_init_builtins): Use it. And use avr_bdesc.
2936         (bdesc_1arg): Remove.
2937         (bdesc_2arg): Remove.
2938         (bdesc_3arg): Remove.
2939         (struct avr_builtin_description): Add field n_args.
2940         (avr_bdesc): New static variable using builtins.def.
2941         (avr_expand_builtin): Use it.
2942         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2943         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2944         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2945
2946 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2947
2948         PR target/52148
2949         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2950         match only one single hard register with respective hard reg rtx.
2951         (movmemx_<mode>): Ditto.
2952         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2953         insn anatomy of movmem[x]_<mode>.
2954         (avr_out_movmem): Same for printing assembler and operand usage.
2955
2956 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2957
2958         PR target/49868
2959         PR target/52261
2960         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2961         address spaces located outside of device flash.
2962
2963         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2964         (mcu_type_s): Add field n_flash.
2965         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2966         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2967         (AVR_MCU): Add N_FLASH argument.
2968         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2969         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2970         macro __FLASH<n> if that address space makes sense for the device.
2971         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2972         outside of target flash.
2973         (avr_asm_named_section): Ditto.
2974         (avr_asm_select_section): Ditto.
2975         (avr_addr_space_convert): Ditto.
2976         (avr_emit_movmemhi): Ditto.
2977         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2978         address space is outside of device flash.
2979         (avr_insert_attributes): Ditto.
2980         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2981         avr_current_arch->n_segments.
2982
2983 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2984
2985         PR target/52352
2986         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2987         TARGET_LP64.
2988         (*movabs<mode>_2): Likewise.
2989
2990 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2991
2992         PR target/52375
2993         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2994         s_register_operand in the test instead of REG_P.  Don't call
2995         gen_reg_rtx if it won't be used.
2996
2997         PR tree-optimization/52376
2998         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2999
3000 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
3001
3002         * ifcvt.c (noce_get_condition): Check condition variable is not
3003         small_register_classes_for_mode_p before accepting.
3004
3005 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
3006
3007         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3008
3009 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3010
3011         Revert:
3012         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3013         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3014         tuning parameters.
3015         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3016
3017 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
3018
3019         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3020
3021 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
3022
3023         * config/sh/predicates.md: Remove blank lines.
3024         * config/sh/sh.c: Fix typos in comments.
3025         * config/sh/constraints.md: Likewise.
3026         * config/sh/sh.md: Remove blank lines.
3027         Fix typos in comments.  Use ;; as comment characters.
3028
3029 2012-02-26  Walter Lee  <walt@tilera.com>
3030
3031         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3032         (replace_mov_pcrel_step2): Ditto.
3033
3034 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
3035
3036         PR debug/52001
3037         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3038         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
3039         and locs that reference values newer than the non-canonical value
3040         at hand.  Return the canonical value as a worst case.
3041         (memrefs_conflict_p): Walk canonical value's locs.
3042
3043         PR debug/52001
3044         * cselib.c (preserve_only_constants): Rename to...
3045         (preserve_constants_and_equivs): ... this.  Split out...
3046         (invariant_or_equiv_p): ... this.  Preserve plus expressions
3047         of other preserved expressions too.
3048         (cselib_reset_table): Adjust.
3049         * var-tracking.c (reverse_op): Use canonical value to build
3050         reverse operation.
3051
3052 2012-02-23  Kai Tietz  <ktietz@redhat.com>
3053
3054         * config/i386/i386.c (ix86_delegitimize_address): Handle
3055         UNSPEC_PCREL plus displacement.
3056
3057 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
3058
3059         PR target/52261
3060         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3061         to test for unusedness in st X addressing.
3062
3063 2012-02-24  Richard Guenther  <rguenther@suse.de>
3064
3065         PR middle-end/52361
3066         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3067         (is_gimple_reg_type): Move inline ...
3068         * gimple.h (is_gimple_reg_type): ... here.
3069
3070 2012-02-24  Richard Guenther  <rguenther@suse.de>
3071
3072         PR middle-end/52361
3073         * passes.c (execute_function_todo): When verifying SSA form
3074         verify gimple form first.
3075         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3076
3077 2012-02-24  Richard Guenther  <rguenther@suse.de>
3078
3079         PR middle-end/52355
3080         * fold-const.c (fold_addr_of_array_ref_difference): New function.
3081         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3082
3083 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3084
3085         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3086
3087 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3088
3089         * tree-phinodes.c (make_phi_node): Mark static.
3090         * tree-flow.h (make_phi_node): Remove extern decl.
3091         * doc/gimple.texi (make_phi_node): Remove documentation.
3092
3093 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3094
3095         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3096         * tree-ssa-sccvn.c (print_scc): Ditto.
3097
3098 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3099
3100         * doc/passes.texi (Full redundancy elimination): Fix typo.
3101
3102 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3103
3104         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3105
3106 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
3107
3108         PR bootstrap/52287
3109         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3110
3111 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
3112
3113         PR c/52290
3114         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3115
3116 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
3117
3118         * config/avr/avr.md (code_stdname): Add ior, xor.
3119         (xior): New code iterator.
3120         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3121         (*<code_stdname><mode>qi.byte1-3): Ditto.
3122
3123 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
3124
3125         PR tree-optimization/52019
3126         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3127         CLOBBER stmts.
3128
3129 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3130
3131         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3132         HAVE_INITFINI_ARRAY to work around namespace pollution in
3133         certain versions of newlib system headers.
3134         * config.in: Regenerate.
3135         * configure: Regenerate.
3136         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3137         instead of HAVE_INITFINI_ARRAY.
3138
3139 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
3140
3141         PR target/52330
3142         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3143         is not offsettable memory reference.
3144
3145 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3146
3147         PR target/18145
3148         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3149         setting avr_need_clear_bss_p for __gnu_lto* symbols.
3150
3151 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3152
3153         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3154         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3155
3156 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3157
3158         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3159         library on Solaris 8 even without TLS support.
3160         * configure: Regenerate.
3161
3162 2012-02-22  Richard Guenther  <rguenther@suse.de>
3163
3164         PR middle-end/52329
3165         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3166         for GIMPLE_DEBUG stmts.
3167
3168 2012-02-22  Martin Jambor  <mjambor@suse.cz>
3169
3170         PR middle-end/51782
3171         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3172         according to the base object.
3173
3174 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3175
3176         PR rtl-optimization/50063
3177         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3178         and 2 (8-bit SP) in operand 2.
3179         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3180         setup to use movhi_sp_r instead of vanilla move to write SP.
3181         Adjust REG_CFA notes to superseed unspec.
3182         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3183         of vanilla move.
3184         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3185         known to be off) only with TARGET_NO_INTERRUPTS. Never use
3186         irq_state 1 (IRQ known to be on) here.
3187
3188 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
3189
3190         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3191         WORDS_BIG_ENDIAN.
3192         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3193         assign_hard_reg): Likewise.
3194
3195 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3196
3197         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3198
3199 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3200
3201         * config/avr/avr.md
3202         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3203         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3204
3205 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3206
3207         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3208         prototype from here to...
3209         * config/avr/avr.h: ...here.
3210
3211 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
3212
3213         PR target/52294
3214         * thumb2.md (thumb2_shiftsi3_short): Split register and
3215         immediate shifts.  For register shifts tie operands 0 and 1.
3216         (peephole2 for above): Check that register-controlled shifts
3217         have suitably tied operands.
3218
3219 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
3220
3221         PR target/52137
3222         * config/i386/bdver1.md (bdver1_call, bdver1_push,
3223         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3224         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3225         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3226         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3227         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3228         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3229         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3230         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3231         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3232         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3233         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3234         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3235         bdver1_ssevector_avx256_unaligned_load,
3236         bdver1_ssevector_sse128_unaligned_load,
3237         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3238         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3239         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3240         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3241         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3242         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3243         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3244         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3245         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3246         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3247         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3248         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3249         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3250         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3251         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3252         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3253         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3254         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3255         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3256         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3257         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3258         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3259         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3260         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3261         bdver1_ssediv_double_load, bdver1_ssediv_double,
3262         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3263         Add "bdver2" attribute.
3264
3265 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3266
3267         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3268         default if possible and not specified otherwise.
3269
3270 2012-02-21  Richard Guenther  <rguenther@suse.de>
3271
3272         PR middle-end/52314
3273         * gimplify.c (create_tmp_from_val): Use the main variant type
3274         for the type of the temporary we create.
3275
3276 2012-02-21  Richard Guenther  <rguenther@suse.de>
3277
3278         PR tree-optimization/52324
3279         * gimplify.c (gimplify_expr): When re-gimplifying expressions
3280         do not gimplify a MEM_REF address operand if it is already
3281         in suitable form.
3282
3283 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3284
3285         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3286         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3287
3288 2012-02-21  Richard Guenther  <rguenther@suse.de>
3289
3290         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3291         nested_in_vect_loop.
3292
3293 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
3294
3295         PR tree-optimization/52318
3296         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3297         vdef also to non-pure/const call stmts in the sequence.
3298
3299 2012-02-20  David S. Miller  <davem@davemloft.net>
3300
3301         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3302         don't use the "rd %pc" instruction on v9 for PIC register loads.
3303
3304 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
3305
3306         PR middle-end/52141
3307         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3308         in a transaction safe function.
3309
3310 2012-02-20  Kai Tietz  <ktietz@redhat.com>
3311
3312         PR target/52238
3313         * stor-layout.c (place_field): Handle desired_align for
3314         ms-bitfields, too.
3315
3316 2012-02-20  Richard Guenther  <rguenther@suse.de>
3317
3318         PR tree-optimization/52298
3319         * tree-vect-stmts.c (vectorizable_store): Properly use
3320         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3321         outer loops.
3322         (vectorizable_load): Likewise.
3323         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3324         Access DR_STEP after ensuring it is not NULL.
3325
3326 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
3327
3328         PR tree-optimization/52286
3329         * fold-const.c (fold_binary_loc): For (X & C1) | C2
3330         optimization use double_int_to_tree instead of build_int_cst_wide,
3331         rewrite to use double_int vars.
3332
3333 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3334
3335         PR target/50166
3336         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3337         Define _start.
3338         Remove -e 0 from $gcc_cv_ld invocation.
3339         Only use __GLIBC_PREREQ if defined.
3340         Enable on Solaris since Solaris 8 patch.
3341         (gcc_SUN_LD_VERSION): New macro.
3342         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3343         gcc_SUN_LD_VERSION for version number format.
3344         * configure: Regenerate.
3345         * varasm.c (get_elf_initfini_array_priority_section): Set
3346         SECTION_NOTYPE for non-default priority.
3347         Use get_section instead of get_unnamed_section to emit
3348         .init_array/.fini_array with default priority.
3349
3350 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3351
3352         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3353         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
3354         (mips_start_unique_function, mips_output_mips16_rdhwr)
3355         (mips_code_end): New functions.
3356         (TARGET_ASM_CODE_END): Define.
3357
3358 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3359
3360         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3361         to stubs with non-sibling calls.
3362
3363 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3364
3365         * doc/invoke.texi (-fira-* options): Copy-edit.
3366         (ira-* parameters): Copy-edit.
3367
3368 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3369
3370         * doc/invoke.texi: Minor copy-edits to bring into conformance with
3371         GCC coding conventions.
3372
3373 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3374
3375         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3376         when used as adjectives.
3377
3378 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
3379
3380         * doc/invoke.texi: Clean up "that"/"which" confusion.
3381
3382 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
3383
3384         * system.h: Poison SMALL_REGISTER_CLASSES
3385         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3386         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3387
3388 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3389
3390         PR tree-optimization/52285
3391         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3392         when deciding if a call is a tail call or tail recursion.
3393
3394 2012-02-16  Kai Tietz  <ktietz@redhat.com>
3395
3396         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3397         interger-constant displacement for UNSPEC_PCREL.
3398
3399 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3400
3401         PR rtl-optimization/52208
3402         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3403         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3404
3405         PR tree-optimization/52255
3406         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3407         loop->header has virtual PHI, but exit_e->dest doesn't, add
3408         virtual PHI to exit_e->dest and adjust all uses after the loop.
3409
3410         PR debug/52260
3411         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3412         children with clone_tree_hash, not after it.
3413
3414 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
3415
3416         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3417         extended identifiers.
3418
3419 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3420
3421         PR middle-end/51929
3422         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3423         a same_body_alias, also test whether e->callee isn't a former
3424         or current clone of the decl this is a same body alias of.
3425
3426         PR translation/52264
3427         * cgraphunit.c (verify_cgraph_node): Fix a typo.
3428
3429 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3430
3431         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3432
3433 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3434
3435         PR target/52199
3436         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3437         force_reg instead of copy_to_reg for better optimization.  Force
3438         non-register or memory operands into a register.
3439
3440 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
3441
3442         * extend.texi: Reserve upper bits of memory model for future use.
3443
3444 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
3445             Anatoly Sokolov <aesok@post.ru>
3446             Eric Weddington <eric.weddington@atmel.com>
3447
3448         PR target/52261
3449         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3450         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3451         Rewrite initializers for .macro.
3452         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3453         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3454         atxmega32d4, atxmega32x1.
3455         avrxmega4: atxmega64a3, atxmega64d3.
3456         avrxmega5: atxmega64a1, atxmega64a1u.
3457         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3458         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3459         avrxmega7: atxmega128a1, atxmega128a1u.
3460         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3461         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3462         (struct base_arch_s): Rename reserved to xmega_p.
3463         Rename reserved2 to have_rampd.
3464         (AVR_XMEGA): New define.
3465         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3466         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3467         * config/avr/predicates.md (io_address_operand): Take into
3468         account SFR offset.
3469         (low_io_address_operand): Ditto.
3470         (high_io_address_operand): Ditto.
3471         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3472         (enabled, movhi_sp_r): Use them.
3473         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3474         cpp_define_formatted to built-in define __AVR_ARCH__.
3475         (__AVR_XMEGA__): New built-in define.
3476         (__AVR_HAVE_RAMPD__): New built-in define.
3477         (__AVR_HAVE_RAMPX__): New built-in define.
3478         (__AVR_HAVE_RAMPY__): New built-in define.
3479         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3480
3481         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3482         (avr_option_override): Initialize them.
3483         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3484         (avr_init_expanders): Initialize them. No more block several calls.
3485         (emit_push_sfr): New static function.
3486         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3487         Handle AVR_XMEGA.
3488         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3489         (avr_print_operand): Print addreeses as symbols for
3490         RAMPX, RAMPY, RAMPD, CCP.
3491         (output_movhi): Handle AVR_XMEGA when writing to SP.
3492         (avr_out_movhi_mr_r_xmega): New static function.
3493         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3494         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
3495         __RAMPD__,  __CCP__ as needed.
3496
3497         * config/avr/multilib.h: Regenerate.
3498         * config/avr/t-multilib: Regenerate.
3499         * config/avr/avr-tables.opt: Regenerate.
3500
3501 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
3502
3503         PR tree-optimization/50561
3504         * graphite-flattening.c (lst_project_loop): Do not
3505         remove old scattering dimensions after flattening.
3506         (lst_do_flatten): Likewise.
3507
3508 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
3509
3510         * doc/extend.texi (AVR Built-in Functions): Remove doc for
3511         __builtin_avr_map8, __builtin_avr_map16.
3512         Document __builtin_avr_insert_bits.
3513
3514         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3515         (insert_bits): New insn.
3516         (adjust_len.map_bits): Rename to insert_bits.
3517         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3518         * avr-protos.h (avr_out_map_bits): Remove.
3519         (avr_out_insert_bits, avr_has_nibble_0xf): New.
3520         * config/avr/constraints.md (Cxf,C0f): New.
3521         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3522         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3523         New built-in define __BUILTIN_AVR_INSERT_BITS.
3524         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3525         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3526         (avr_move_bits): Rewrite.
3527         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3528         functions.
3529         (avr_map_op_t): New typedef.
3530         (avr_map_op): New static variable.
3531         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3532         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3533         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3534         (bdesc_3arg, avr_expand_triop_builtin): New.
3535         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3536         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3537         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3538         (avr_map_equal_p, avr_map_sig_p): Remove.
3539         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3540         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3541         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3542         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3543         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3544         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3545
3546 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3547
3548         * config/c6x/c6x.md (reserve_cycles): New attribute.
3549         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3550         don't reserve functional units after the branch occurs.
3551
3552 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
3553
3554         PR middle-end/52142
3555         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3556         functions into non-tm_pure functions.
3557
3558 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3559
3560         PR lto/52178
3561         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3562         (iterative_hash_canonical_type): Likewise.
3563         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3564         the dead edges.
3565
3566 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3567
3568         * haifa-sched.c (prune_ready_list): Ensure that if there is a
3569         sched-group insn, it either remains alone or the entire list is pruned.
3570
3571 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3572
3573         * doc/install.texi (Prerequisites): Fix grammar.
3574         (Configuration): Likewise.
3575
3576 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3577
3578         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3579         MPC as part of GCC before describing configuring with --with-gmp etc.
3580         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3581         sources are present.
3582
3583 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3584
3585         PR debug/51950
3586         * dwarf2out.c (clone_tree_hash): New function.
3587         (copy_decls_walk): Use it instead of clone_tree.
3588
3589 2012-02-14  Richard Guenther  <rguenther@suse.de>
3590
3591         PR tree-optimization/52244
3592         PR tree-optimization/51528
3593         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3594         replacements for integral types.
3595
3596 2012-02-14  Walter Lee  <walt@tilera.com>
3597
3598         * config.gcc: Handle tilegx and tilepro.
3599         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3600         tilegx and tilepro.
3601         Add HAVE_AS_TLS check for tilegx and tilepro.
3602         * configure: Regenerate.
3603         * doc/contrib.texi: Add Mat Hostetter and self.
3604         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3605         Document instruction intrinsics and network accessing intrinsics.
3606         (TILEPro Built-in Functions): New node.  Document instruction
3607         intrinsics and network accessing intrinsics.
3608         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3609         (Specific, tilepro-*-linux*): Likewise.
3610         * doc/invoke.texi (TILE-Gx Options): New section.
3611         (TILEPro Options): New section.
3612         * doc/md.texi (TILE-Gx): New section.
3613         (TILEPro): New section.
3614         * common/config/tilegx/tilegx-common.c: New file.
3615         * common/config/tilepro/tilepro-common.c: New file.
3616         * config/tilegx/constraints.md: New file.
3617         * config/tilegx/linux.h: New file.
3618         * config/tilegx/mul-tables.c: New file.
3619         * config/tilegx/predicates.md: New file.
3620         * config/tilegx/sync.md: New file.
3621         * config/tilegx/t-tilegx: New file.
3622         * config/tilegx/tilegx-builtins.h: New file.
3623         * config/tilegx/tilegx-c.c: New file.
3624         * config/tilegx/tilegx-generic.md: New file.
3625         * config/tilegx/tilegx-modes.def: New file.
3626         * config/tilegx/tilegx-multiply.h: New file.
3627         * config/tilegx/tilegx-protos.h: New file.
3628         * config/tilegx/tilegx.c: New file.
3629         * config/tilegx/tilegx.h: New file.
3630         * config/tilegx/tilegx.md: New file.
3631         * config/tilegx/tilegx.opt: New file.
3632         * config/tilepro/constraints.md: New file.
3633         * config/tilepro/gen-mul-tables.cc: New file.
3634         * config/tilepro/linux.h: New file.
3635         * config/tilepro/mul-tables.c: New file.
3636         * config/tilepro/predicates.md: New file.
3637         * config/tilepro/t-tilepro: New file.
3638         * config/tilepro/tilepro-builtins.h: New file.
3639         * config/tilepro/tilepro-c.c: New file.
3640         * config/tilepro/tilepro-generic.md: New file.
3641         * config/tilepro/tilepro-modes.def: New file.
3642         * config/tilepro/tilepro-multiply.h: New file.
3643         * config/tilepro/tilepro-protos.h: New file.
3644         * config/tilepro/tilepro.c: New file.
3645         * config/tilepro/tilepro.h: New file.
3646         * config/tilepro/tilepro.md: New file.
3647         * config/tilepro/tilepro.opt: New file.
3648
3649 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3650
3651         PR tree-optimization/52210
3652         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3653         vect_model_simple_cost with two entry vect_def_type array instead
3654         of an address of dt.
3655
3656 2012-02-14  Richard Guenther  <rguenther@suse.de>
3657
3658         PR lto/52178
3659         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3660         Do not stream DECL_QUALIFIER.
3661         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3662         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3663         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3664
3665 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3666
3667         PR c/52181
3668         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3669         newdecl.
3670
3671 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3672
3673         PR bootstrap/52172
3674         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3675         * cselib.c (cselib_subst_to_values_from_insn): New function.
3676         * sched-deps.c (add_insn_mem_dependence,
3677         sched_analyze_1, sched_analyze_2): Use it.
3678
3679 2012-02-13  Jan Hubicka  <jh@suse.cz>
3680
3681         PR middle-end/52214
3682         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3683
3684 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3685
3686         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3687         (GTM_SELF_SPECS): Define if not already defined.
3688         (driver_self_specs): Add GTM_SELF_SPECS.
3689         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3690         (GTM_SELF_SPECS): Define.
3691         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3692         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3693
3694 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3695
3696         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3697         away if seen.
3698
3699         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3700
3701         PR middle-end/52230
3702         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3703         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3704
3705 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3706
3707         PR c/52190
3708         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3709
3710 2012-02-13  Richard Guenther  <rguenther@suse.de>
3711
3712         PR translation/52211
3713         * passes.c (enable_disable_pass): Fix typo.
3714
3715 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3716
3717         PR middle-end/52209
3718         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3719         XOR for reduce_bit_field if type is unsigned.
3720
3721 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3722
3723         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3724         disallow changes from SFmode to mode with different size in FP regs.
3725
3726 2012-02-12  Robert Millan  <rmh@gnu.org>
3727             Gerald Pfeifer <gerald@pfeifer.com>
3728
3729         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3730         Tweak comment.
3731
3732 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3733
3734         PR rtl-optimization/52175
3735         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3736         to frame-related instructions.
3737
3738 2012-02-10  Jason Merrill  <jason@redhat.com>
3739
3740         PR c++/51910
3741         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3742         (demangle_new_symbols): Fill it.
3743         (scan_linker_output): Walk it.
3744         (start_tweaking): Split out from scan_linker_output.
3745         (maybe_tweak): Update sym->chosen.
3746         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3747
3748 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3749
3750         PR debug/52132
3751         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3752
3753 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3754
3755         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3756         having the same mode as previous compare.
3757
3758 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3759
3760         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3761         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3762         (nonlocal_goto_internal): Likewise.
3763         (nonlocal_goto): Emit a use and an indirect jump directly.
3764
3765 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3766
3767         PR c/52190
3768         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3769         __atomic_{is,always}_lock_free.
3770
3771 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3772
3773         PR target/52146
3774         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3775         negative constant address for x32.
3776
3777 2012-02-10  Richard Henderson  <rth@redhat.com>
3778
3779         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3780         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3781         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3782
3783 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3784             Ira Rosen  <irar@il.ibm.com>
3785
3786         PR tree-optimization/50031
3787         * targhooks.c (default_builtin_vectorization_cost): Handle
3788         vec_promote_demote.
3789         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3790         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3791         all types of reduction and pattern statements.
3792         (vect_estimate_min_profitable_iters): Likewise.
3793         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3794         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3795         for explicit realigns.
3796         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3797         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3798         vec_promote_demote.
3799         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3800         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3801         vec_perm for VSX and handle vec_promote_demote.
3802
3803 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3804
3805         PR middle-end/52177
3806         * builtins.c (fold_builtin_atomic_always_lock_free,
3807         expand_builtin_atomic_always_lock_free,
3808         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3809         Return and/or test boolean_true_node/boolean_false_node instead of
3810         integer_one_node/integer_zero_node.
3811
3812 2012-02-10  Jan Hubicka  <jh@suse.cz>
3813
3814         PR middle-end/48600
3815         * predict.c (predict_paths_for_bb): Prevent looping.
3816         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3817
3818 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3819
3820         * config/arm/arm.c (output_move_double): In one case properly
3821         count number of instructions that will be emitted.
3822
3823 2012-02-10  Richard Guenther  <rguenther@suse.de>
3824
3825         PR translation/52193
3826         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3827
3828 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3829
3830         PR middle-end/52140
3831         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3832
3833 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3834
3835         PR debug/52165
3836         * var-tracking.c (emit_note_insn_var_location): If
3837         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3838         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3839         non-NOTE_DURING_CALL_P insn.
3840
3841 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3842
3843         PR middle-end/51867
3844         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3845
3846 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3847
3848         PR driver/48524
3849         * gcc.c (switch_matches) Support switches with separated form,
3850         -D and -U.
3851
3852 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3853
3854         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3855         (SP_ADDR): Ditto.
3856         (RAMPZ_ADDR): Ditto.
3857         * config/avr/avr.c (avr_addr_t): New typedef.
3858         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3859         (avr_init_expanders): Initialize it.
3860         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3861         SREG_ADDR.
3862         (expand_epilogue): Ditto.
3863         (avr_print_operand): Ditto.
3864         (avr_file_start): Ditto.
3865         (avr_emit_movmemhi): Ditto.
3866
3867 2012-02-08  Richard Guenther  <rguenther@suse.de>
3868
3869         PR tree-optimization/46886
3870         * tree-flow.h (do_while_loop_p): Declare.
3871         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3872         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3873
3874 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3875
3876         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3877         always succeed for integers larger than a native word.
3878
3879 2012-02-08  Richard Guenther  <rguenther@suse.de>
3880
3881         PR rtl-optimization/52170
3882         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3883         properly handle integer vector modes.
3884
3885 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3886
3887         PR gcov-profile/52150
3888         * coverage.c: Include target.h.
3889         (build_var): Call targetm.strip_name_encoding on the assembler name.
3890         Change one _ into . or $ if the target allows it.
3891         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3892
3893         PR rtl-optimization/52139
3894         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3895         is a BARRIER after emit_insn_after_noloc, move BB_END
3896         to the last non-BARRIER insn before it.
3897
3898 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3899
3900         PR middle-end/24306
3901         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3902         (mips_gimplify_va_arg_expr): Call it instead of
3903         std_gimplify_va_arg_expr.
3904
3905 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3906
3907         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3908         message for -mno-pointers-to-nested-function.
3909
3910 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3911
3912         PR middle-end/51994
3913         * expr.c (get_inner_reference): If there is an offset, add a negative
3914         bit position to it (if any).
3915
3916 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3917
3918         PR rtl-optimization/52060
3919         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3920         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3921         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3922         and/or i0src_copy2 when needed.
3923
3924 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3925
3926         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3927         or LTOPLUGINSONAME if have_c.
3928
3929         * config/freebsd-spec.h: Add comment about what macros can be defined
3930         in this header.
3931         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3932         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3933         here instead.
3934
3935 2012-02-07  Richard Guenther  <rguenther@suse.de>
3936
3937         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3938         newline in -alias dumps.
3939
3940 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3941             Dave Korn  <dave.korn.cygwin@gmail.com>
3942
3943         PR target/40068
3944         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3945         Take care that typinfo gets dllexport-attribute.
3946
3947 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3948
3949         PR middle-end/52074
3950         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3951         if modifier < EXPAND_SUM call force_operand on the result.
3952
3953 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3954
3955         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3956         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3957         present.
3958         (epiphany_function_type): Replace types for specific interrupts with
3959         EPIPHANY_FUNCTION_INTERRUPT.
3960         (EPIPHANY_INTERRUPT_P): Update.
3961         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3962         New static function.
3963         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3964         <disinterrupt>: Affects type identity.
3965         (epiphany_handle_interrupt_attribute): Handle variable number of
3966         arguments.
3967         (epiphany_compute_function_type): Update for new
3968         epiphany_function_type definition.
3969         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3970         handlers with a longcall forwarder.
3971         (epiphany_start_function): Handle multiple interrupt arguments and/or
3972         forwarder_section attribute.
3973
3974         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3975         libgloss.
3976
3977 2012-02-07  Alan Modra  <amodra@gmail.com>
3978
3979         PR target/52107
3980         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3981         subregs of TFmode.
3982
3983 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3984
3985         PR tree-optimization/50969
3986         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3987         use vec_perm rather than vector_stmt.
3988         (vect_model_load_cost): Likewise.
3989         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3990         vec_perm to be the same as other vector statements.
3991         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3992         cost of vec_perm for TARGET_VSX.
3993
3994 2012-02-06  Richard Guenther  <rguenther@suse.de>
3995
3996         PR tree-optimization/52115
3997         * tree-sra.c (access_has_replacements_p): New function.
3998         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3999
4000 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
4001
4002         PR middle-end/52047
4003         * trans-mem.c (expand_call_tm): Add an assertion.
4004         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4005         functions.
4006
4007 2012-02-06  Richard Guenther  <rguenther@suse.de>
4008
4009         PR tree-optimization/50955
4010         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4011         raise cost of expressions that replace an address with an
4012         expression based on a different pointer.
4013
4014 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
4015
4016         PR target/52129
4017         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4018         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4019
4020 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
4021
4022         PR c++/48680
4023         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4024         -Weffc++ and specify guidelines come from second edition.
4025
4026 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
4027
4028         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4029         (sibcall_value_multiple_internal, call_split, call_internal_direct)
4030         (call_direct_split, call_value_split, call_value_internal_direct)
4031         (call_value_direct_split, call_value_multiple_split): Use jal and
4032         jal_macro attributes.
4033
4034 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
4035
4036         * reload1.c (reload_regs_reach_end_p): Replace with...
4037         (reload_reg_rtx_reaches_end_p): ...this function.
4038         (new_spill_reg_store): Update commentary.
4039         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4040         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4041         before setting new_spill_reg_store.
4042         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4043         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4044         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4045         for non-spill reload registers.
4046
4047 2012-02-05  Ira Rosen  <irar@il.ibm.com>
4048
4049         PR tree-optimization/52091
4050         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4051         (vect_is_simple_use_1): Likewise.
4052         * tree-vect-loop.c (vectorizable_reduction): Update calls
4053         to vect_is_simple_use_1 and vect_is_simple_use.
4054         (vectorizable_live_operation): Likewise.
4055         * tree-vect-patterns.c (widened_name_p,
4056         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4057         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4058         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4059         vectorizable_shift,vectorizable_operation, vectorizable_store,
4060         vectorizable_load): Likewise.
4061         (vect_is_simple_cond): Add an argument, pass it to
4062         vect_is_simple_use_1.
4063         (vectorizable_condition): Update calls to vect_is_simple_cond,
4064         vect_is_simple_use.
4065         (vect_is_simple_use): Add an argument, the statement in which
4066         OPERAND is used.  Check that if OPERAND's def stmt is a double
4067         reduction phi node, the use is a phi node too.
4068         (vect_is_simple_use_1): Add an argument, pass it to
4069         vect_is_simple_use.
4070         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4071         to vect_is_simple_use.
4072
4073 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
4074
4075         PR rtl-optimization/52095
4076         * modulo-sched.c (dump_insn_locator): New function.
4077         (loop_canon_p, sms_schedule): Use it.
4078
4079         PR rtl-optimization/52113
4080         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4081         even for decomposable shift/zext insns.
4082
4083 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
4084             Zdenek Dvorak  <ook@ucw.cz>
4085
4086         PR rtl-optimization/52092
4087         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4088         on get_iv_value result.
4089
4090 2012-02-02  Andrew Pinski  <apinski@cavium.com>
4091
4092         PR middle-end/47982
4093         PR middle-end/43967
4094         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4095
4096 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4097
4098         PR middle-end/48071
4099         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4100
4101 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
4102
4103         PR rtl-optimization/49800
4104         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4105         (sched_finish): Call regstat_free_n_sets_and_refs.
4106
4107 2012-02-02  Jia Liu  <proljc@gmail.com>
4108
4109         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4110         than operand 2.
4111
4112 2012-02-02  Jan Hubicka  <jh@suse.cz>
4113             Tom de Vries  <tom@codesourcery.com>
4114
4115         PR middle-end/51998
4116         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4117         * varpool.c (varpool_analyze_pending_decls): Likewise.
4118
4119 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4120             Jayant R Sonar <jayant.sonar@kpitcummins.com>
4121
4122         * config.gcc: Add cr16-* support.
4123
4124         * doc/extend.texi: Document cr16 extensions.
4125         * doc/install.texi: Document cr16 install.
4126         * doc/invoke.texi: Document cr16 options.
4127         * doc/md.texi: Document cr16 constraints.
4128
4129         * common/config/cr16/cr16-common.c: New file.
4130         * config/cr16/cr16.c: New file.
4131         * config/cr16/cr16.h: New file.
4132         * config/cr16/cr16.md: New file.
4133         * config/cr16/cr16.opt: New file.
4134         * config/cr16/cr16-protos.h: New file.
4135         * config/cr16/predicates.md: New file.
4136         * config/cr16/constraints.md: New file.
4137         * config/cr16/t-cr16: New file.
4138
4139 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4140
4141         PR target/52086
4142         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4143         that operands[2] is either immediate, or q_regs_operand.
4144
4145         PR tree-optimization/52073
4146         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4147         a pattern stmt for pattern uses, ignore uses outside of the loop.
4148
4149 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4150
4151         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4152         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4153         (OUT_AS1, OUT_AS2): Remove.
4154
4155 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4156
4157         PR rtl-optimization/51374
4158         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4159         to cross other volatile_refs_p insns.
4160
4161 2012-02-01  Richard Guenther  <rguenther@suse.de>
4162
4163         * doc/invoke.texi (fno-inline): Clarify documentation.
4164         (finline-small-functions): Likewise.
4165         (finline-functions): Likewise.
4166         * common.opt (finline): Adjust comment and documentation.
4167         (finline-small-functions): Clarify documentation.
4168         (finline-functions): Likewise.
4169         (finline-functions-called-once): Likewise.
4170
4171 2012-02-01  Tristan Gingold  <gingold@adacore.com>
4172
4173         * c-typeck.c (composite_type): Keep mode for pointers.
4174
4175 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
4176
4177         * function.h (regno_reg_rtx): Adjust comment.
4178         * reginfo.c (init_reg_modes_target): Only use the previous mode
4179         if it fits within one register.  Remove MIPS comment.
4180
4181 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4182
4183         PR bootstrap/52058
4184         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4185
4186 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4187
4188         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4189         to srak instruction.
4190
4191 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4192
4193         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4194
4195 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4196
4197         PR bootstrap/52041
4198         PR bootstrap/52039
4199         PR target/51974
4200         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4201
4202 2012-01-31  Richard Guenther  <rguenther@suse.de>
4203
4204         PR tree-optimization/51528
4205         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4206         assigns.
4207
4208 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4209
4210         PR bootstrap/52041
4211         PR bootstrap/52039
4212         PR target/51974
4213         * ree.c (add_removable_extension): Change def_map argument
4214         to unsigned *, store in def_map 1 + offset into *insn_list vector
4215         instead of pointers into the vector.
4216         (find_removable_extensions): Adjust caller.
4217
4218 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4219
4220         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4221         Transform all "* quoted-c-code" to { c-code }.
4222         Remove redundant test for "optimize" in combine patterns.
4223         Move (include "avr-dimode.md") to end of file.
4224
4225 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
4226
4227         PR target/51835
4228         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4229         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4230
4231 2012-01-30  Richard Guenther  <rguenther@suse.de>
4232
4233         PR tree-optimization/52028
4234         * tree-loop-distribution.c (ldist_gen): Properly update
4235         virtual SSA form.
4236
4237 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
4238
4239         PR debug/52027
4240         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4241         set_cur_line_info_table if not emitting debug info.
4242
4243         PR tree-optimization/52046
4244         * tree-vect-patterns.c (check_bool_pattern): Give up if
4245         a comparison could throw.
4246
4247         PR debug/52048
4248         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4249
4250 2012-01-30  Richard Guenther  <rguenther@suse.de>
4251
4252         PR tree-optimization/52045
4253         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4254         SSA form if cfgcleanup did anything.
4255
4256 2012-01-30  Richard Guenther  <rguenther@suse.de>
4257
4258         PR tree-optimization/52045
4259         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4260         before computing final todo.
4261
4262 2012-01-30  Richard Guenther  <rguenther@suse.de>
4263
4264         PR tree-optimization/51528
4265         * tree-sra.c (sra_modify_assign): Re-factor in preparation
4266         for PR51528 fix.
4267
4268 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
4269
4270         * df-problems.c (df_kill_notes): Check that the use refers
4271         to the note under examination.
4272
4273 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
4274
4275         PR target/51920
4276         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4277         parameter and use short-lived pseudos.
4278         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4279         (sparc_expand_vector_init): Const-ify local variables and adjust
4280         calls to above functions.
4281
4282 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4283
4284         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4285
4286 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
4287
4288         * doc/invoke.texi: Make usage of "compile time" and
4289         "run time"/"runtime" consistent throughout the file.
4290
4291 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
4292
4293         * config/alpha/alpha.c (alpha_option_override): Default to
4294         full IEEE compliance mode for Go language.
4295
4296 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
4297
4298         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4299         (LINK_SSP_SPEC): Define.
4300
4301 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4302
4303         PR target/51871
4304         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4305         stubs.
4306
4307 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
4308
4309         * doc/invoke.texi: Correct hyphenation of "floating point",
4310         "double precision", and related terminology throughout the file.
4311
4312 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
4313
4314         PR target/52006
4315         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4316         arm_general_register_operand predicate for operand 2 instead of
4317         register_operand.
4318
4319 2012-01-27  Ian Lance Taylor  <iant@google.com>
4320
4321         PR go/47656
4322         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4323         * builtins.c (expand_builtin_init_trampoline): Add onstack
4324         parameter.  Change caller.
4325         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4326         * tree.c (build_common_builtin_nodes): Declare
4327         __builtin_init_heap_trampoline.
4328
4329 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
4330
4331         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4332         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4333         * config/avr/avr.c: Ditto.
4334         (avr_regnames): Remove because unused.
4335         * config/avr/avr.md (*cpse.ne): New peephole.
4336         (*cpse.eq): New peephole from former cpse peepholes.
4337
4338 2012-01-27  Michael Eager  <eager@eagercon.com>
4339
4340         * config/microblaze.c (microblaze_emit_compare): Correct
4341         test after pcmp instruction.
4342
4343 2012-01-27  Richard Guenther  <rguenther@suse.de>
4344
4345         PR tree-optimization/52020
4346         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4347
4348 2012-01-27  Richard Guenther  <rguenther@suse.de>
4349
4350         * ipa-pure-const.c (check_stmt): Clobbers do not make a
4351         function non-const/pure.
4352
4353 2012-01-27  Richard Guenther  <rguenther@suse.de>
4354
4355         PR tree-optimization/50444
4356         * tree-sra.c (build_ref_for_offset): Properly adjust the
4357         MEM_REF type for unaligned accesses.
4358
4359 2012-01-27  Richard Guenther  <rguenther@suse.de>
4360
4361         PR tree-optimization/50444
4362         * expr.c (mem_ref_refers_to_non_mem_p): New function.
4363         (expand_assignment): Use it.  Properly handle misaligned
4364         bases when expanding stores to component references.
4365         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4366         refactor that case.
4367
4368 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
4369
4370         PR middle-end/51389
4371         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4372         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4373         * tree-data-ref.c (find_data_references_in_loop): Make static.
4374         (compute_all_dependences): Change return type to bool.  Bail out
4375         for too many datarefs in a loop.  Move the hunk resetting the data
4376         dependences vector from ...
4377         (compute_data_dependences_for_loop): ... here.  Account for
4378         compute_all_dependences returning false.
4379         (compute_data_dependences_for_bb): Likewise.
4380         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4381         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4382
4383 2012-01-27  Richard Guenther  <rguenther@suse.de>
4384
4385         PR middle-end/51959
4386         * expr.c (store_field): Use the alias-set of the scratch memory
4387         for storing to it.
4388
4389 2012-01-27  Tom de Vries  <tom@codesourcery.com>
4390
4391         PR tree-optimization/51990
4392         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4393         WITH_SIZE_EXPR.
4394         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4395
4396 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
4397
4398         PR debug/52001
4399         * var-tracking.c (reverse_op): Don't add any reverse operation
4400         if V already has any constant locations.
4401
4402 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4403
4404         * doc/invoke.texi: Correct usage of "command line" (noun)
4405         vs "command-line" (adjective) throughout.
4406
4407 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4408
4409         * doc/invoke.texi (Language Independent Options): Move
4410         -Wcoverage-mismatch blurb from here....
4411         (Warning Options): ...to here.
4412
4413 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
4414
4415         * config/rs6000/rs6000.c (rs6000_option_override_internal):
4416         Set rs6000_always_hint to false for 476.
4417
4418 2012-01-27  Matthias Klose  <doko@ubuntu.com>
4419
4420         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4421           system root.
4422         * incpath.c (add_standard_paths): Likewise.
4423
4424 2012-01-27  Richard Henderson  <rth@redhat.com>
4425
4426         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4427         * config/m68k/sync.md (atomic_test_and_set): Rename from
4428         sync_test_and_setqi and adjust the operands.
4429         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4430         and unconditionally enable.
4431
4432 2012-01-27  Richard Henderson  <rth@redhat.com>
4433
4434         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4435         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
4436         (ldstub): Rename from ldstubqi.
4437         (ldstub<I24MODE>): Remove.
4438
4439 2012-01-27  Richard Henderson  <rth@redhat.com>
4440
4441         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4442         * c-cppbuiltin.c (cpp_atomic_builtins): Define
4443         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4444         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4445         * doc/tm.texi: Rebuild.
4446
4447 2012-01-27  Richard Henderson  <rth@redhat.com>
4448
4449         * optabs.c (gen_atomic_test_and_set): Remove default.
4450         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4451
4452 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4453
4454         PR rtl-optimization/51978
4455         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4456         (combine_reaching_defs): Likewise.
4457         (struct re_info): Remove.
4458         (add_removable_extension): Remove x and data arguments,
4459         add insn, insn_list and def_map.  Use the arguments directly
4460         instead of using struct re_info.
4461         (find_removable_extensions): Don't call add_removable_extension
4462         through note_stores, instead just call it with single_set
4463         result if non-NULL.
4464         (find_and_remove_re): Pass curr_cand->expr instead of
4465         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4466
4467 2012-01-26  Michael Matz  <matz@suse.de>
4468
4469         PR tree-optimization/46590
4470         * cfgexpand.c: Revert last change (r183305).
4471         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4472         regs.
4473         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4474         checking for emptiness.
4475
4476 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4477
4478         PR middle-end/51895
4479         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4480         non-addressable non-BLKmode base correctly.
4481
4482 2012-01-26  Michael Matz  <matz@suse.de>
4483
4484         PR tree-optimization/48794
4485         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4486         regions referenced from RESX/EH_DISPATCH.
4487
4488 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4489
4490         * config/s390/s390.h: Make BRANCH_COST an option.
4491         * config/s390/s390.opt: New option -mbranch-cost.
4492
4493 2012-01-26  Richard Henderson  <rth@redhat.com>
4494
4495         Revert 2012-01-24 change:
4496         * trans-mem.c (requires_barrier): Do not instrument thread local
4497         variables and emit save/restore for them.
4498
4499 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4500
4501         PR middle-end/51986
4502         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4503         for pat == 0.
4504
4505 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
4506
4507         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4508         ASM_OPERANDS.
4509
4510 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
4511
4512         PR target/49868
4513         Rename __pgm to __flash.
4514         Rename __pgm1 to __flash1.
4515         Rename __pgm2 to __flash2.
4516         Rename __pgm3 to __flash3.
4517         Rename __pgm4 to __flash4.
4518         Rename __pgm5 to __flash5.
4519         Rename __pgmx to __memx.
4520         * doc/extend.texi (AVR Named Address Spaces)
4521         Rename address space names as indicated above.
4522         * config/avr/avr.c (avr_addrspace): Ditto.
4523
4524         * config/avr/avr-protos.h
4525         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4526         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4527         * config/avr/predicates.md: Ditto.
4528         * config/avr/avr.c Ditto, and
4529         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4530         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4531
4532         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4533         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4534         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4535         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4536         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4537         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4538         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4539         * config/avr/avr.c: Ditto.
4540         * config/avr/avr.md: Ditto.
4541
4542 2012-01-25  Jason Merrill  <jason@redhat.com>
4543
4544         PR c++/51992
4545         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4546
4547 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4548
4549         PR tree-optimization/51987
4550         * tree-data-ref.c (get_references_in_stmt): Handle references in
4551         non-volatile GIMPLE_ASM.
4552
4553 2012-01-25  Richard Guenther  <rguenther@suse.de>
4554
4555         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4556         bases are dereferenced.
4557
4558 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4559
4560         PR rtl-optimization/48374
4561         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4562
4563 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4564
4565         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4566         compute_data_dependences_for_loop returns false.
4567         * tree-parloops.c (loop_parallel_p): Likewise.
4568
4569 2012-01-25  Richard Guenther  <rguenther@suse.de>
4570
4571         * tree.h (get_pointer_alignment_1): Declare.
4572         * builtins.c (get_pointer_alignment_1): New function.
4573         (get_pointer_alignment): Use it.
4574
4575 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4576
4577         PR rtl-optimization/48308
4578         * combine.c (enum undo_kind): Add UNDO_LINKS.
4579         (struct undo): Add member l to other_contents and where.
4580         (do_SUBST_LINK): New.
4581         (SUBST_LINK): New.
4582         (try_combine): Handle LOG_LINKS for the dummy i1 case.
4583         (undo_all): Handle UNDO_LINKS.
4584
4585 2012-01-25  Richard Henderson  <rth@redhat.com>
4586
4587         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4588         mem inputs.
4589
4590 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4591
4592         * optabs.c (gen_atomic_test_and_set): Use each argument.
4593
4594 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4595
4596         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4597         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4598         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4599         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4600         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4601         TARGET_PAIRED_SINGLE_FLOAT.
4602
4603 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4604
4605         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4606         (in_struct, return_val): Remove MEM documentation.
4607         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4608         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4609         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4610         and MEM_SCALAR.
4611         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4612         * cfgexpand.c (add_alias_set_conflicts): Likewise.
4613         * expr.c (store_field): Likewise.
4614         * function.c (assign_stack_temp_for_type): Likewise.
4615         * ifcvt.c (noce_try_cmove_arith): Likewise.
4616         * reload1.c (reload): Likewise.
4617         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4618         (alpha_set_memflags): Likewise.
4619         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4620
4621 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4622
4623         * rtl.h (true_dependence, canon_true_dependence): Remove varies
4624         parameter.
4625         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4626         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4627         (true_dependence_1, true_dependence, canon_true_dependence): Remove
4628         varies parameter.
4629         * cselib.c (cselib_rtx_varies_p): Delete.
4630         (cselib_invalidate_mem): Update call to canon_true_dependence.
4631         * dse.c (record_store, check_mem_read_rtx): Likewise.
4632         (scan_reads_nospill): Likewise.
4633         * cse.c (check_dependence): Likewise.
4634         (cse_rtx_varies_p): Delete.
4635         * expr.c (safe_from_p): Update call to true_dependence.
4636         * ira.c (validate_equiv_mem_from_store): Likewise.
4637         (memref_referenced_p): Likewise.
4638         * postreload-gcse.c (find_mem_conflicts): Likewise.
4639         * sched-deps.c (sched_analyze_2): Likewise.
4640         * store-motion.c (load_kills_store): Likewise.
4641         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4642         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4643         (compute_transp): Update call to canon_true_dependence.
4644
4645 2012-01-25  Richard Henderson  <rth@redhat.com>
4646
4647         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4648         (maybe_emit_atomic_test_and_set): New.
4649         (expand_sync_lock_test_and_set): Use it.
4650         (expand_atomic_test_and_set): Likewise.
4651         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4652         the implementation; clarify implementation defined details.
4653         * doc/md.texi (atomic_test_and_set): Document.
4654
4655 2012-01-25  Richard Henderson  <rth@redhat.com>
4656
4657         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4658
4659 2012-01-25  Richard Henderson  <rth@redhat.com>
4660
4661         PR target/51968
4662         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4663         to effect no-op split.
4664
4665 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4666
4667         PR lto/51698
4668         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4669         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4670         (BT_FN_VOID_PTR_INT_SIZE): New.
4671         (BT_FN_UINT_UINT_VAR): Remove.
4672         (BT_FN_UINT32_UINT32_VAR): New.
4673         (BT_FN_DOUBLE_VPTR): Remove.
4674         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4675
4676         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4677         (_ITM_changeTransactionMode): Same.
4678         (_ITM_memmoveRtWt): Change return type to void.
4679         (_ITM_memcpyRtWt): Same.
4680         (_ITM_memsetW): Same.
4681         (_ITM_RaRD): Change types to double.
4682         (_ITM_RD): Same.
4683         (_ITM_RaWD): Same.
4684         (_ITM_RfWD): Same.
4685
4686         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4687
4688 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4689             Patrick Marlier  <patrick.marlier@gmail.com>
4690
4691         * trans-mem.c (requires_barrier): Do not instrument thread local
4692         variables and emit save/restore for them.
4693
4694 2012-01-24  Jason Merrill  <jason@redhat.com>
4695
4696         PR c++/51812
4697         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4698         output static aliases.
4699
4700 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4701
4702         PR driver/47249
4703         * common.opt (-pie, -shared, pie, shared): Change from Common to
4704         Driver.
4705         * gcc.c (display_help): Display help for -pie and -shared.
4706
4707 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
4708
4709         PR target/49868
4710         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4711         Remove note on size/offset limitation.
4712         (AVR Variable Attributes): Add example how to read data located
4713         with progmem.  Refer to named address spaces.
4714         * doc/invoke.texi (AVR Options): Fix typo.
4715
4716 2012-01-24  Richard Guenther  <rguenther@suse.de>
4717
4718         Forward-port to trunk
4719         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
4720
4721         PR middle-end/45678
4722         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4723         op0 isn't sufficiently aligned and there is movmisalignM
4724         insn for mode, use it to load op0 into a temporary register.
4725
4726 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4727
4728         PR target/51957
4729         * target.def (const_not_ok_for_debug_p): New hook.
4730         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4731         documentation.
4732         * doc/tm.texi: Regenerated.
4733         * dwarf2out.c (const_ok_for_output_1): If
4734         targetm.const_not_ok_for_debug_p returns true, fail.
4735         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4736         function.
4737         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4738
4739 2012-01-23  Kai Tietz  <ktietz@redhat.com>
4740
4741         PR target/51900
4742         * config/i386/predicates.md (symbolic_operand): Allow
4743         UNSPEC_PCREL as PIC expression for lea.
4744         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4745         * config/i386/i386.c (ix86_delegitimize_address): Handle
4746         UNSPEC_PCREL for none-MEM, too.
4747
4748 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4749
4750         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4751         (ipa_tm_create_version_alias): Same.
4752
4753 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
4754
4755         PR libitm/51830
4756         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4757         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4758
4759 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4760             Patrick Marlier  <patrick.marlier@gmail.com>
4761             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
4762
4763         PR lto/51916
4764         * lto-wrapper.c (run_gcc): Pass the LTO section name to
4765         simple_object_start_read.
4766
4767 2012-01-23  Richard Guenther  <rguenther@suse.de>
4768
4769
4770         PR tree-optimization/51895
4771         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4772         parameter decomposition into BLKmode components.
4773
4774 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
4775
4776         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4777         fake variables for restrict-qualified pointers whose pointed-to type
4778         contains a placeholder.
4779
4780 2012-01-23  Richard Guenther  <rguenther@suse.de>
4781
4782         PR tree-optimization/51949
4783         * ipa-split.c (execute_split_functions): Do not split malloc functions.
4784
4785 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
4786
4787         PR rtl-optimization/51933
4788         * ree.c (transform_ifelse): Return true right away if dstreg is
4789         already wider or equal to cand->mode.
4790         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4791         (make_defs_and_copies_lists): Remove defs_list and copies_list
4792         arguments, add state argument, just truncate state->work_list
4793         instead of always allocating and freeing the vector.  Assert that
4794         get_defs succeeds instead of returning 2.  Changed return type to bool.
4795         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
4796         have ext_src_mode, see if it has been modified already with the
4797         right kind of extension and has been extended before from the
4798         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
4799         just return true.  Remember the original mode in state->modified array.
4800         (combine_reaching_defs): Add state argument.  Don't allocate and
4801         free here def_list, copied_list and vec vectors, instead just
4802         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
4803         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4804         Add state variable, clear vectors in it, initialize state.modified
4805         if needed.  Free all the vectors at the end and state.modified too.
4806         Don't skip a candidate if the extension expression has been modified.
4807
4808 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
4809
4810         PR target/47096
4811         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4812          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4813         (extra_options) interix.opt -> i386/interix.opt"
4814         (extra_objs):Add winnt-stubs.o
4815         * configure.ac: Add interix to target_os .comm on PE check.
4816         * configure: Regenerate.
4817         * config/interix3.h: Delete and move bits to..
4818         * config/interix.h: Delete and move bits to..
4819         * config/i386/i386-interix3.h: Delete and move bits to..
4820         * config/i386/i386-interix.h: ..here.
4821         (TARGET_CPU_DEFAULT): Remove redefinition.
4822         (TARGET_ASM_CONSTRUCTOR): Undefine.
4823         (SUBTARGET_SWITCHES): Define for ms-bitfields.
4824         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4825         (PTRDIFF_TYPE): Define.
4826         (LONG_DOUBLE_TYPE_SIZE): Define.
4827         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4828         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4829         (TARGET_SECTION_TYPE_FLAGS): Define.
4830         (ASM_DECLARE_FUNCTION_NAME): Define.
4831         (ASM_OUTPUT_EXTERNAL): Define.
4832         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4833         (ASM_OUTPUT_ALIGNED_BSS): Define.
4834         (PCC_BITFIELD_TYPE_MATTERS): Define.
4835         (USE_CONST_SECTION): Define.
4836         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4837         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4838         (SUPPORTS_ONE_ONLY): Remove.
4839         (I386_PE_STRIP_ENCODING): Define.
4840         * config/interix.opt: Delete and move bits to..
4841         * config/i386/interix.opt: ..here. New.
4842         (mpe-aligned-commons): Add.
4843         * config/i386/t-interix: Add copyright header.
4844         (winnt-stubs.o): Add rule.
4845
4846 2012-01-22  Jason Merrill  <jason@redhat.com>
4847
4848         PR c++/51832
4849         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4850         for extra name aliases.
4851
4852 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4853
4854         PR rtl-optimization/51924
4855         * ree.c (combine_set_extension): Improve debugging message.
4856         (combine_reaching_defs): Likewise.
4857         (get_defs): Rename confusingly named variable.
4858         (find_and_remove_re): Skip a candidate if the extension expression has
4859         been modified.
4860
4861 2012-01-21  Robert Millan  <rmh@gnu.org>
4862             Gerald Pfeifer  <gerald@pfeifer.com>
4863
4864         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4865         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4866
4867 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4868
4869         PR tree-optimization/51914
4870         * tree-vect-stmts.c (vectorizable_conversion): For
4871         cvt_type && modifier == WIDEN, put temporary with cvt_type
4872         at the beginning of vec_dsts and set vec_dest to temporary
4873         with vectype_out.
4874
4875 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
4876
4877         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4878
4879 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
4880
4881         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4882         * config/rs6000/rs6000.c: Likewise.
4883
4884 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4885
4886         PR target/51915
4887         * config/arm/arm.c (arm_count_output_move_double_insns): Call
4888         output_move_double on a copy of operands array.
4889
4890 2012-01-20  Cary Coutant  <ccoutant@google.com>
4891             Dodji Seketeli  <dodji@redhat.com>
4892
4893         PR debug/45682
4894         * dwarf2out.c (copy_declaration_context): Return ref to parent
4895         of declaration DIE, if necessary.
4896         (remove_child_or_replace_with_skeleton): Add new parameter; update
4897         caller.  Place skeleton DIE under parent DIE of original declaration.
4898         Move call to copy_declaration_context to here ...
4899         (break_out_comdat_types): ... from here.
4900
4901 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4902
4903         PR rtl-optimization/51856
4904         * reload.c (find_reloads_subreg_address): Set the address_reloaded
4905         flag to reloaded.
4906
4907 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4908
4909         PR target/51819
4910         * config/arm/arm.c (arm_print_operand): Correct output of alignment
4911         hints for neon loads and stores.
4912
4913 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
4914
4915         PR target/49868
4916         PR target/50887
4917         * doc/extend.texi (Named Address Spaces): Split into subsections.
4918         (AVR Named Address Spaces): New subsection.
4919         (M32C Named Address Spaces): New subsection.
4920         (RL78 Named Address Spaces): New subsection.
4921         (SPU Named Address Spaces): New subsection.
4922         (Variable Attributes): New anchor "AVR Variable Attributes".
4923         (AVR Variable Attributes): Rewrite and avoid wording
4924         "address space" in this context.
4925         * doc/invoke.texi (AVR Options): Rewrite and add documentation
4926         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4927         (AVR Built-in Macros): New subsubsection therein.
4928         * doc/md.texi (AVR constraints): Remove "C04", "R".
4929
4930 2012-01-20  Richard Guenther  <rguenther@suse.de>
4931
4932         PR tree-optimization/51903
4933         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4934         when removing stmts.
4935
4936 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4937
4938         PR target/50313
4939         * config/arm/arm.c (arm_load_pic_register): Use
4940         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4941         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4942         (arm_pic_static_addr): Likewise.
4943         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4944         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4945         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4946         (pic_load_addr_unified): New.
4947
4948 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
4949
4950         PR target/51106
4951         * function.c (instantiate_virtual_regs_in_insn): Use
4952         delete_insn_and_edges when removing a wrong asm insn.
4953
4954 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
4955
4956         PR rtl-optimization/40761
4957         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4958         Add new member loop_num.
4959         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4960         (ira_build): Remove the parameter.
4961
4962         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4963         (ira.c): Do not build CFG loops for one region allocation.  Remove
4964         argument from ira_build call.
4965
4966         * ira-build.c (init_loop_tree_node): New function.
4967         (create_loop_tree_nodes): Use it.  Separate the case when CFG
4968         loops are not built.
4969         (more_one_region_p): Check current_loops.
4970         (finish_loop_tree_nodes): Separate the case when CFG loops are not
4971         built.
4972         (add_loop_to_tree): Process loop equal to NULL too.
4973         (form_loop_tree): Separate the case when CFG loops are not built.
4974         Use explicitly number for the root.
4975         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4976         an assertion.
4977         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4978         instead of loop->num.
4979         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
4980         (mark_all_loops_for_removal): Ditto.
4981         (remove_unnecessary_regions): Separate the case when CFG loops
4982         are not built.
4983         (ira_build): Remove the parameter.  Use explicit number of regions
4984         when CFG loops are not built.
4985
4986         * ira-color.c (print_loop_title): Separate the case for the root node.
4987         Use loop_num instead of loop->num.
4988         (move_spill_restore): Use loop_num instead of loop->num.
4989
4990         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4991         (change_loop): Ditto.
4992         (change_loop): Use loop_num instead of loop->num.
4993
4994         * ira-lives.c (process_bb_node_lives): Ditto.
4995
4996         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4997
4998         * ira-conflicts.c (print_allocno_conflicts): Ditto.
4999
5000 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
5001
5002         PR libmudflap/40778
5003         * tree-mudflap.c (mf_artificial): New function.
5004         (execute_mudflap_function_ops, execute_mudflap_function_decls,
5005         mx_register_decls, mudflap_enqueue_decl): Use it.
5006
5007         PR target/51876
5008         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5009         numbers in the insn pattern.
5010
5011 2012-01-19  Michael Matz  <matz@suse.de>
5012
5013         PR tree-optimization/46590
5014         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5015         use it in remembering which conflicts we already created.
5016         (add_scope_conflicts): Adjust call to above, (de)allocate helper
5017         bitmap.
5018
5019 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
5020
5021         PR lto/51280
5022         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5023         (merge_and_complain): Same.
5024
5025 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
5026
5027         PR bootstrap/50237
5028         * config/initfini-array.h: Guard content of the header
5029         with #ifdef HAVE_INITFINI_ARRAY.
5030         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5031         Add initfini-array.h to tm_file here.
5032         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5033         * config.gcc: Don't add initfini-array.h to tm_file here.
5034         * configure: Regenerated.
5035
5036 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
5037
5038         PR rtl-optimization/51505
5039         * df-problems.c (df_kill_notes): New parameter live. Update comment.
5040         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5041         (df_note_bb_compute): Update the call to df_kill_notes.
5042
5043 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
5044
5045         * trans-mem.c (requires_barrier): Remove call to is_global_var.
5046
5047 2012-01-18  Richard Guenther  <rguenther@suse.de>
5048
5049         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5050         of conversions to void *.
5051
5052 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5053             Richard Sandiford  <rdsandiford@googlemail.com>
5054
5055         PR middle-end/50325
5056         PR middle-end/51192
5057         * optabs.h (simplify_expand_binop): Declare.
5058         * optabs.c (simplify_expand_binop): Make global.
5059         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5060         endian targets if the source cannot be exactly covered by word
5061         mode chunks.
5062
5063 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
5064
5065         PR bootstrap/51872
5066         * hard-reg-set.h (struct hard_reg_set_container): New type.
5067         * target.h (struct hard_reg_set_container): Forward declare.
5068         * target.def (set_up_by_prologue): New target hook.
5069         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5070         * doc/tm.texi: Regenerated.
5071         * function.c (thread_prologue_and_epilogue_insns): Change
5072         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5073         Call targetm.set_up_by_prologue on it.
5074         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5075         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5076
5077 2012-01-17  Nick Clifton  <nickc@redhat.com>
5078
5079         * config/rx/rx.c (rx_can_use_simple_return): New function.
5080         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5081         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5082
5083 2012-01-17  Richard Guenther  <rguenther@suse.de>
5084
5085         PR middle-end/51782
5086         * expr.c (expand_assignment): Take address-space information
5087         from the address operand of MEM_REF and TARGET_MEM_REF.
5088         (expand_expr_real_1): Likewise.
5089
5090 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5091
5092         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5093         reload dump is requested.
5094
5095 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
5096
5097         PR other/51165
5098         * trans-mem.c (requires_barrier): Call may_be_aliased.
5099
5100 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
5101
5102         PR tree-optimization/51877
5103         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5104         call arguments and fndecls compare equal, instead return false if they
5105         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
5106         both SSA_NAMEs that are valueized the same, or they satisfy
5107         operand_equal_p.
5108
5109 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5110
5111         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5112         Solaris 11+.
5113         * configure: Regenerate.
5114
5115 2012-01-16  Jan Hubicka  <jh@suse.cz>
5116
5117         PR c/12245
5118         PR c++/14179
5119         * convert.c (convert_to_integer): Use fold_convert for
5120         converting an INTEGER_CST to integer type.
5121
5122 2012-01-16  Jason Merrill  <jason@redhat.com>
5123
5124         PR c++/14179
5125         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5126
5127 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
5128
5129         PR bootstrap/51860
5130         * config/s390/s390.c (s390_chunkify_start): Don't skip
5131         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
5132         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5133         If insn is followed by NOTE_INSN_VAR_LOCATION or
5134         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5135         Don't use location of note insns.
5136
5137         PR tree-optimization/51865
5138         * tree-inline.c (tree_function_versioning): Call remap_decl
5139         on DECL_RESULT whenever it has VOID_TYPE_P type.
5140
5141 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
5142
5143         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5144         for calls to locally-binding MIPS16 functions if only the return
5145         type uses float regs.
5146
5147 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
5148             Richard Sandiford  <rdsandiford@googlemail.com>
5149
5150         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5151         (SYMBOL_32_HIGH): Likewise.
5152         (mips_output_tls_reloc_directive): Declare.
5153         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5154         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5155         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5156         (mips_lo_relocs, mips_hi_relocs): Make extern.
5157         (mips16_stub_function): Move up file.
5158         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5159         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
5160         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
5161         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5162         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
5163         (mips_get_tp): Add MIPS16 support.
5164         (mips_legitimize_tls_address): Remove MIPS16 sorry().
5165         Generalize DTPREL and TPREL handling.
5166         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5167         Add MIPS16 TLS support.
5168         (mips_output_tls_reloc_directive): New function.
5169         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5170         * config/mips/predicates.md (symbolic_operand_with_high)
5171         (tls_reloc_operand): New predicates.
5172         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5173         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5174         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5175         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
5176         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5177         (*tls_get_tp_mips16_call_<mode>): Likewise.
5178
5179 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
5180
5181         PR rtl-optimization/51821
5182         * recog.c (peep2_find_free_register): Determine clobbered registers
5183         from insn pattern.
5184
5185 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
5186
5187         PR target/50925
5188         * config/avr/avr-protos.h: Revert change of 2012-01-09.
5189         * config/avr/avr.c: Likewise.
5190         * config/avr/avr.h: Likewise.
5191
5192 2012-01-13  Ian Lance Taylor  <iant@google.com>
5193
5194         PR c++/50012
5195         * tree.h (TYPE_QUALS): Add cast to int.
5196         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5197
5198 2012-01-13  Ian Lance Taylor  <iant@google.com>
5199
5200         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5201         comparing param_index to VEC_length result.
5202
5203 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
5204
5205         * c-decl.c: Do not include tree-mudflap.h
5206         * tree-optimize.c: Likewise.
5207         * Makefile.in: Update dependencies.
5208
5209 2012-01-13  Richard Guenther  <rguenther@suse.de>
5210
5211         PR middle-end/8081
5212         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5213         variable-sized result always use RSO.
5214
5215 2012-01-12  DJ Delorie  <dj@redhat.com>
5216
5217         * cfgexpand.c (convert_debug_memory_address): Allow any valid
5218         pointer type, not just the default pointer type.
5219
5220 2012-01-09  Richard Henderson  <rth@redhat.com>
5221             Denis Chertykov  <chertykov@gmail.com>
5222
5223         PR target/50925
5224         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5225         * config/avr/avr.c (avr_can_eliminate): Simplify.
5226         (avr_initial_elimination_offset): Likewise.
5227         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5228         (expand_epilogue): Likewise.
5229         (avr_legitimize_address): Gut.
5230         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5231         (avr_hard_regno_nregs): New.
5232         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5233         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5234         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5235         add soft frame pointer.
5236         (CALL_USED_REGISTERS): Likewise.
5237         (REG_CLASS_CONTENTS): Likewise.
5238         (REGISTER_NAMES): Likewise.
5239         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5240         (HARD_FRAME_POINTER_REGNUM): New.
5241         (FRAME_POINTER_REGNUM): Use soft frame pointer.
5242         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5243         remove the HARD_FRAME_POINTER self-elimination.
5244
5245 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
5246
5247         PR target/51756
5248         * config/avr/avr.c (avr_encode_section_info): Test for absence of
5249         DECL_EXTERNAL when checking for initializers of progmem variables.
5250
5251 2012-01-12  Ira Rosen  <irar@il.ibm.com>
5252
5253         PR tree-optimization/51799
5254         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5255         that the last operation is a type demotion.
5256
5257 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
5258
5259         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5260         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5261
5262 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
5263
5264         PR bootstrap/51796
5265         * combine.c (distribute_notes): If i3 is a noreturn call,
5266         allow old_size to be equal to args_size and make sure the
5267         noreturn call gets REG_ARGS_SIZE note.
5268         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5269         on noreturn calls even when the delta is 0.
5270
5271 2012-01-11  Nathan Sidwell  <nathan@acm.org>
5272
5273         * gcov.c (STRING_SIZE): Remove.
5274         (generate_results): Erase annotations for source files with no
5275         coverage information.
5276         (read_line): New.
5277         (output_lines): Use it.
5278
5279 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5280
5281         * gimple.h (gimplify_body): Remove first argument.
5282         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
5283         pointer set here, instead just pass DATA to walk_tree.
5284         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
5285         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5286         (unvisit_body): Likewise, but with unmark_visited.
5287         (gimplify_body): Remove BODY_P argument and adjust.
5288         (gimplify_function_tree): Adjust call to gimplify_body.
5289         * omp-low.c (finalize_task_copyfn): Likewise.
5290
5291 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5292
5293         * tree.h (build_function_decl_skip_args): Add boolean parameter.
5294         (build_function_type_skip_args): Delete.
5295         * tree.c (build_function_type_skip_args): Make static and add
5296         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
5297         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5298         pass it to build_function_type_skip_args.
5299         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5300         (tree_function_versioning): Likewise.
5301         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5302         build_function_decl_skip_args.
5303         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5304         and pass it to build_function_decl_skip_args/tree_function_versioning.
5305         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5306         * ipa-inline-transform.c (save_inline_function_body): Likewise.
5307         * trans-mem.c (ipa_tm_create_version): Likewise.
5308         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5309         * tree-inline.c (declare_return_variable): Remove always-true test.
5310         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
5311         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5312         * ipa-split.c (split_function): Skip the return value for the split
5313         part if it doesn't return.
5314
5315 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5316
5317         PR tree-optimization/49642
5318         * ipa-split.c (forbidden_dominators): New variable.
5319         (check_forbidden_calls): New function.
5320         (dominated_by_forbidden): Likewise.
5321         (consider_split): Check for forbidden dominators.
5322         (execute_split_functions): Initialize and free forbidden
5323         dominators info; call check_forbidden_calls.
5324
5325 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5326
5327         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5328
5329 2012-01-11  Nick Clifton  <nickc@redhat.com>
5330
5331         * config/rx/rx.md (return): Define pattern.
5332
5333 2012-01-11  Richard Guenther  <rguenther@suse.de>
5334
5335         * doc/extend.texi (malloc attribute): Adjust according to
5336         implementation.
5337
5338 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
5339             Patrick Marlier  <patrick.marlier@gmail.com>
5340
5341         PR middle-end/51516
5342         * trans-mem.c (get_cg_data): Traverse aliases if requested.
5343         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5344         (ipa_tm_note_irrevocable): Same.
5345         (ipa_tm_scan_irr_block): Same.
5346         (ipa_tm_decrement_clone_counts): Same.
5347         (ipa_tm_scan_irr_function): Same.
5348         (ipa_tm_create_version_alias): Same.
5349         (ipa_tm_create_version): Same.
5350         (ipa_tm_transform_calls_redirect): Same.
5351         (ipa_tm_transform_calls): Same.
5352         (ipa_tm_transform_transaction): Same.
5353         (ipa_tm_execute): Same.
5354
5355 2012-01-10  Richard Guenther  <rguenther@suse.de>
5356
5357         PR middle-end/51806
5358         * opts.c (common_handle_option): Handle -Werror.
5359
5360 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
5361
5362         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5363         operand number.
5364
5365 2012-01-10  Jason Merrill  <jason@redhat.com>
5366
5367         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5368         information.
5369
5370 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5371
5372         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5373         supports R_386_TLS_GD_PLT reloc.
5374         (gcc_cv_as_ix86_tlsldmplt): Check if linker
5375         supports R_386_TLS_LDM_PLT reloc.
5376         * configure: Regenerate.
5377         * config.in: Regenerate.
5378
5379 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
5380
5381         PR target/49868
5382         Extend __pgmx semantics to linearize memory.
5383         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5384         determine if code comes inline or from libgcc.
5385         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5386         (movmem_qi, movmem_qi): Set constraint #2 to "n".
5387         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5388         (movmemx_qi, movmemx_hi): New insns.
5389         (xload_<mode>_libgcc): Rewrite to new insn condition.
5390         (xload_<mode>): Remove insns.
5391         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5392         cases that don't satisfy avr_xload_libgcc_p().
5393         (avr_addr_space_convert): Allow converting in any direction.
5394         (avr_addr_space_subset_p): Return always true.
5395         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5396         (avr_emit_movmemhi): Ditto.
5397         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
5398         (avr_out_movmem): Ditto.
5399         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
5400         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
5401         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
5402         (avr_encode_section_info): Encode 'progmem' in symbol flags.
5403         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
5404
5405 2012-01-10  Richard Guenther  <rguenther@suse.de>
5406
5407         PR tree-optimization/50913
5408         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
5409         Require data-refs to be representable by Graphite with respect
5410         to any loop nest.
5411
5412 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
5413
5414         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
5415         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
5416
5417 2012-01-10  Tom de Vries  <tom@codesourcery.com>
5418
5419         PR rtl-optimization/51271
5420         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
5421         handling annulled branch.
5422
5423 2012-01-10  Richard Henderson  <rth@redhat.com>
5424
5425         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
5426         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
5427         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
5428         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
5429         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
5430         arm_expand_vec_perm_const): New.
5431         * config/arm/arm-protos.h: Update.
5432         * config/arm/neon.md (UNSPEC_VCONCAT): New.
5433         (*neon_vswp<VDQX>): New.
5434         (neon_vcombine<VDX>): Use neon_split_vcombine.
5435         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
5436         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
5437         (vec_perm<VE>): New.
5438
5439 2012-01-10  Richard Henderson  <rth@redhat.com>
5440
5441         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
5442         use it if reload_completed.
5443         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
5444         arm_output_asm_insn, arm_process_output_memory_barrier,
5445         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
5446         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
5447         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
5448         arm_process_output_sync_insn, arm_output_sync_insn,
5449         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
5450         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
5451         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
5452         (emit_unlikely_jump): New.
5453         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
5454         (arm_split_atomic_op): New.
5455         * config/arm/arm-protos.h: Update.
5456         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
5457         (struct arm_sync_generator): Remove.
5458         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5459         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5460         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5461         (VUNSPEC_LL, VUNSPEC_SC): New.
5462         (sync_result, sync_memory, sync_required_value, sync_new_value,
5463         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5464         (attr length): Don't use arm_sync_loop_insns.
5465         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5466         (movsfcc, movdfcc): Likewise.
5467         * config/arm/constraints.md (Ua): New.
5468         * config/arm/prediates.md (mem_noofs_operand): New.
5469         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5470         (sync_clobber, sync_t2_reqd): Remove.
5471         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5472         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5473         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5474         (arm_sync_compare_and_swap<SIDI>): Remove.
5475         (arm_sync_compare_and_swap<NARROW>): Remove.
5476         (arm_sync_lock_test_and_set<SIDI>): Remove.
5477         (arm_sync_lock_test_and_set<NARROW>): Remove.
5478         (arm_sync_new_<syncop><SIDI>): Remove.
5479         (arm_sync_new_<syncop><NARROW>): Remove.
5480         (arm_sync_new_nand<SIDI>): Remove.
5481         (arm_sync_new_nand<NARROW>): Remove.
5482         (arm_sync_old_<syncop><SIDI>): Remove.
5483         (arm_sync_old_<syncop><NARROW>): Remove.
5484         (arm_sync_old_nand<SIDI>): Remove.
5485         (arm_sync_old_nand<NARROW>): Remove.
5486         (*memory_barrier): Merge arm_output_memory_barrier.
5487         (atomic_compare_and_swap<QHSD>): New.
5488         (atomic_compare_and_swap<NARROW>_1): New.
5489         (atomic_compare_and_swap<SIDI>_1): New.
5490         (atomic_exchange<QHSD>): New.
5491         (cas_cmp_operand, cas_cmp_str): New.
5492         (atomic_op_operand, atomic_op_str): New.
5493         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5494         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5495         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5496         (arm_load_exclusive<NARROW>): New.
5497         (arm_load_exclusivesi, arm_load_exclusivedi): New.
5498         (arm_store_exclusive<QHSD>): New.
5499
5500 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
5501
5502         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5503         reload patterns if -mvsx-scalar-memory.
5504
5505         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5506         generated, even -mno-vsx-scalar-double was used.
5507         (vsx_xscvdpsp_scalar): Likewise.
5508         (vsx_xscvspdp_scalar2): Likewise.
5509
5510 2012-01-09  Tom de Vries  <tom@codesourcery.com>
5511             Andrew Pinski  <apinski@cavium.com>
5512
5513         PR debug/51471
5514         * reorg.c (fill_slots_from_thread): Don't speculate
5515         frame-related insns.
5516
5517 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
5518
5519         * sched-int.h (bb_note): Move to...
5520         * basic-block.h: ...here.
5521         * haifa-sched.c (bb_note): Move to...
5522         * cfgrtl.c: ...here.
5523         * function.c (next_block_for_reg): New function.
5524         (move_insn_for_shrink_wrap): Likewise.
5525         (prepare_shrink_wrap): Rewrite to use the above.
5526
5527 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
5528
5529         * gimple.c (is_gimple_non_addressable): Remove.
5530         * gimple.h: Remove is_gimple_non_addressable.
5531         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5532         is_gimple_non_addressable.
5533         * trans-mem.c (expand_assign_tm): Same.
5534
5535 2012-01-09  Richard Guenther  <rguenther@suse.de>
5536
5537         PR tree-optimization/51775
5538         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5539         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5540
5541 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5542
5543         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5544         tuning parameters.
5545         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5546
5547 2012-01-09  Richard Guenther  <rguenther@suse.de>
5548
5549         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5550
5551 2012-01-08  Jan Hubicka  <jh@suse.cz>
5552
5553         PR tree-optimize/51680
5554         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5555         on when known_vals needs to be computed; cleanup.
5556
5557 2012-01-08  Jan Hubicka  <jh@suse.cz>
5558
5559         PR tree-optimize/51694
5560         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5561
5562 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
5563
5564         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5565         for -std=c++98 and -std=c++11 too.
5566
5567 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
5568
5569         * cfgloop.c (cancel_loop): Add free() of bbs array.
5570
5571 2012-01-07  Jan Hubicka  <jh@suse.cz>
5572
5573         PR tree-optimization/51600
5574         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5575         that benefits small functions.
5576
5577 2012-01-07  Jan Hubicka  <jh@suse.cz>
5578
5579         * ipa-inline.c (want_inline_small_function_p): Fix formating.
5580
5581 2012-01-07  Jan Hubicka  <jh@suse.cz>
5582
5583         PR tree-optimization/51680
5584         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5585         whose inlining reduce unit size.
5586
5587 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
5588
5589         PR bootstrap/51725
5590         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5591         Add canonical node to containing_mem chain after the non-canonical
5592         one, even if there weren't any locs to propagate.
5593         (remove_useless_values): Keep only canonical values.
5594         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5595         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
5596         canonicalize mem_chain elements that are not discarded.
5597
5598 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
5599
5600         PR target/47333
5601         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5602         before emitting functions.
5603
5604         PR gcov-profile/50127
5605         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5606         clear_aux_for_blocks.
5607
5608 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
5609
5610         PR debug/51746
5611         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5612
5613 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
5614
5615         * c-decl.c (ext_block): Moved up.
5616         (collect_all_refs, for_each_global_decl): Take ext_block into account.
5617
5618 2012-01-06  Han Shen  <shenhan@google.com>
5619
5620         Translate built-in include paths for sysroot.
5621         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5622         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5623
5624         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5625         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5626
5627         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5628         control whether sysroot should be prepended to gxx include dir.
5629
5630         * configure: Regenerate.
5631
5632 2012-01-06  Torvald Riegel  <triegel@redhat.com>
5633
5634         PR rtl-optimization/51771
5635         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5636         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5637
5638 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5639
5640         PR tree-optimization/51315
5641         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5642         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5643
5644 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
5645
5646         PR target/51681
5647         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5648         for shrp pattern.  Correctly handle and fixup shift variable.
5649         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5650
5651 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5652
5653         PR debug/51762
5654         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5655         note when !ACCUMULATE_OUTGOING_ARGS.
5656
5657 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5658
5659         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5660         condition.
5661         (extract_range_from_unary_expr_1): Avoid useless computations.
5662
5663 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5664
5665         PR rtl-optimization/51767
5666         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5667         of jump_block and add an extra edge for degenerated asm gotos.
5668
5669         PR middle-end/51768
5670         * stmt.c (check_unique_operand_names): Don't ICE during error
5671         reporting if i is from labels chain.
5672
5673         PR middle-end/44777
5674         * profile.c (branch_prob): Split bbs that have exit edge
5675         and need a fake entry edge too.
5676
5677 2012-01-05  Jan Hubicka  <jh@suse.cz>
5678
5679         PR middle-end/49710
5680         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5681         unlooping loops.
5682
5683 2012-01-05  Richard Guenther  <rguenther@suse.de>
5684
5685         PR lto/50490
5686         * tree-streamer-out.c (write_ts_optimization): New function.
5687         (streamer_write_tree_body): Call it.
5688         * tree-streamer-in.c (lto_input_ts_optimization): New function.
5689         (streamer_read_tree_body): Call it.
5690         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5691
5692 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5693
5694         PR middle-end/51761
5695         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5696         * gimplify.c (gimplify_cleanup_point_expr): Save and set
5697         in_cleanup_point_expr before gimplify_stmt call and restore it
5698         afterwards.
5699         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5700         in_cleanup_point_expr is false.
5701
5702 2012-01-05  Richard Guenther  <rguenther@suse.de>
5703
5704         PR middle-end/51764
5705         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5706         to c.opt.
5707         * toplev.c (process_options): Reject combining mudflap and LTO.
5708         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5709
5710 2012-01-05  Richard Guenther  <rguenther@suse.de>
5711
5712         PR tree-optimization/51760
5713         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5714         not VARYING.
5715         (bit_value_unop): Handle UNDEFINED operands.
5716         (bit_value_binop): Likewise.
5717
5718 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
5719
5720         * config/avr/avr.c (avr_replace_prefix): Remove.
5721         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5722         (avr_asm_function_rodata_section): Ditto.
5723         (avr_asm_select_section): Ditto.
5724
5725 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
5726
5727         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5728         insertion.
5729
5730 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5731
5732         PR bootstrap/51648
5733         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5734         calls that have any non-fake successor edges.
5735
5736         PR debug/51746
5737         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5738
5739 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5740
5741         PR tree-optimization/51624
5742         * tree-sra.c (build_ref_for_model): When replicating a chain of
5743         COMPONENT_REFs, stop as soon as the offset would become negative.
5744
5745 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
5746
5747         PR debug/51695
5748         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5749         in .debug_loc on the floor.
5750
5751 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5752
5753         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5754
5755 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5756             Adam Nemet  <anemet@caviumnetworks.com>
5757
5758         * config/mips/mips.md (size): Add SI and DI.
5759         (SIZE): New mode attribute.
5760         (U): New code attribute.
5761         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5762         (mips_lbux_<mode>): Delete.
5763         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5764         (mips_lhx): Use gen_mips_lhx_extsi.
5765         (mips_lhx_<mode>): Delete.
5766         (mips_lwx): Delete.
5767         (mips_l<size>x): New expand.
5768         (mips_lwx_<mode>): Delete.
5769         (mips_l<GPR:size>x_<P:mode>): New pattern.
5770         (*mips_lw<u>x_<P:mode>_ext): Likewise.
5771         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5772         * config/mips/mips.c (mips_lx_address_p): New function.
5773         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5774         (dsp64): New availability predicate.
5775         (mips_builtins): Add an entry for __builtin_mips_ldx.
5776         * config/mips/mips.h (ISA_HAS_LBX): New define.
5777         (ISA_HAS_LBUX): Likewise.
5778         (ISA_HAS_LHX): Likewise.
5779         (ISA_HAS_LHUX): Likewise.
5780         (ISA_HAS_LWX): Likewise.
5781         (ISA_HAS_LWUX): Likewise.
5782         (ISA_HAS_LDX): Likewise.
5783         * doc/extend.texi (__builtin_mips_ldx): Document.
5784
5785 2012-01-04  Tristan Gingold  <gingold@adacore.com>
5786
5787         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5788         when long pointers are used.
5789         * config.build (*-*-*vms*): Handle all OpenVMS targets.
5790         (alpha64-dec-*vms*, alpha*-dec-*vms*)
5791         (ia64-hp-*vms*): Remove.
5792         * config/vms/xm-vms64.h: Delete.
5793
5794 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5795
5796         PR middle-end/51472
5797         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5798
5799 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5800
5801         * opts.c (finish_options): Remove duplicate sorry.
5802
5803 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5804
5805         PR middle-end/51696
5806         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5807         correctly.
5808
5809 2012-01-04  Richard Guenther  <rguenther@suse.de>
5810
5811         PR middle-end/51750
5812         * tree.c (size_low_cst): New function.
5813         * tree.h (size_low_cst): Declare.
5814         * fold-const.c (fold_comparison): Use it to extract the low
5815         part of the POINTER_PLUS_EXPR offset.
5816
5817 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
5818
5819         Fix clearing ZERO_REG
5820         * config/avr/avr.md (cc): Add alternative "ldi".
5821         (movqi_insn): Use it in cc attribute.
5822         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5823         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5824         (output_reload_insisf): Use ZERO_REG to pre-clear register.
5825
5826 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5827
5828         * configure: Regenerate.
5829
5830 2012-01-04  Richard Guenther  <rguenther@suse.de>
5831
5832         PR tree-optimization/49651
5833         * tree-ssa-structalias.c (type_can_have_subvars): New function.
5834         (var_can_have_subvars): Use it.
5835         (get_constraint_for_1): Only consider subfields if there can be any.
5836
5837 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5838
5839         PR bootstrap/51725
5840         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5841         to its new canonical_cselib_val and the cselib_val was in
5842         first_containing_mem chain, but the canonical_cselib_val was not,
5843         add the latter into the chain.
5844         (cselib_invalidate_mem): Compare canonical_cselib_val of
5845         addr_list chain elt with v.
5846
5847         PR pch/51722
5848         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5849         dwarf2out_undef): Allocate e.info using ggc_strdup instead
5850         of xstrdup.
5851         (output_macinfo_op): Don't ggc_strdup fd->filename.
5852         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5853         then ggc_strdup it.  Don't free inc->info or cur->info.
5854         (output_macinfo): Don't free ref->info or file->info.
5855
5856 2012-01-03  Ira Rosen  <irar@il.ibm.com>
5857
5858         PR tree-optimization/51269
5859         * tree-vect-loop-manip.c (set_prologue_iterations): Make
5860         first_niters a pointer.
5861         (slpeel_tree_peel_loop_to_edge): Likewise.
5862         (vect_do_peeling_for_loop_bound): Update call to
5863         slpeel_tree_peel_loop_to_edge.
5864         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5865         here.  Remove it from the parameters list.
5866         (vect_do_peeling_for_alignment): Update calls and compute
5867         wide_prolog_niters.
5868
5869 2012-01-03  Richard Guenther  <rguenther@suse.de>
5870
5871         PR tree-optimization/51070
5872         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5873         Properly handle calls.
5874
5875 2012-01-03  Richard Guenther  <rguenther@suse.de>
5876
5877         PR tree-optimization/51692
5878         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5879         the LHS of allocation stmts.
5880
5881 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5882
5883         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5884
5885 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5886
5887         * collect2.c (main): In AIX specific computations for vector
5888         insertions, use CONST_CAST2 to cast from char ** to const char **.
5889
5890 2012-01-03  Richard Guenther  <rguenther@suse.de>
5891
5892         PR debug/51650
5893         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5894         the context of a limbo DIE when it does not already exist.
5895
5896 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5897
5898         PR tree-optimization/51719
5899         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5900         but direct call is, clear direct call's lhs and don't add fallthrough
5901         edge from dcall_bb to join_bb and PHIs.
5902
5903 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5904
5905         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5906         the instructions emitted by the pattern.
5907         ("*TDC_insn_<mode>"): Add comment.
5908
5909 2012-01-03  Richard Guenther  <rguenther@suse.de>
5910
5911         PR middle-end/51730
5912         * fold-const.c (fold_comparison): Properly canonicalize
5913         tree offset and HOST_WIDE_INT bit position.
5914
5915 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
5916
5917         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5918         operands for extzv pattern.
5919
5920 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5921
5922         PR bootstrap/51725
5923         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5924         on mem_elt first.
5925
5926 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
5927
5928         * doc/invoke.texi (-flto and related options): Copy-edit.
5929
5930 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5931
5932         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5933
5934 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5935
5936         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5937         New patterns.
5938
5939 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5940
5941         * expr.h (move_by_pieces_ninsns): Declare.
5942         * expr.c (move_by_pieces_ninsns): Make external.
5943         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5944         (mips_store_by_pieces_p): Likewise.
5945         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5946         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5947         * config/mips/mips.c (mips_move_by_pieces_p): New function.
5948         (mips_store_by_pieces_p): Likewise.
5949
5950 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5951
5952         * passes.c (register_one_dump_file): Free full_name.
5953
5954         * reload1.c (reload): Don't allocate reg_max_ref_width here.
5955         (calculate_elim_costs_all_insns): Free offsets_at and
5956         offsets_known_at at the end and clear the pointers.
5957
5958 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5959
5960         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5961         this option introduced in r180739.
5962
5963 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5964
5965         PR target/51345
5966         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5967         (tmake_file target=avr): Add avr/t-multilib.
5968
5969         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5970         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5971         * config/avr/genmultilib.awk: New file.
5972         * config/avr/t-multilib: New auto-generated file.
5973         * config/avr/multilib.h: New auto-generated file.
5974         * config/avr/t-avr (AVR_MCUS): New variable.
5975         (genopt.sh): Use it.
5976         (s-mlib): Depend on t-multilib.
5977         (t-multilib, multilib.h): New dependencies.
5978         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5979         (MULTILIB_OPTIONS): Remove.
5980         (MULTILIB_MATCHES): Remove.
5981         (MULTILIB_DIRNAMES): Remove.
5982         (MULTILIB_EXCEPTIONS): Remove:
5983         * config/avr/genopt.sh: Don't use hard coded file name;
5984         pass AVR_MCUS from t-avr instead.
5985
5986 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5987
5988         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5989
5990 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5991
5992         Implement light-weight DImode support.
5993         * config/avr/avr-dimode.md: New file.
5994         * config/avr/avr.md: Include it.
5995         (adjust_len): Add plus64, compare64.
5996         (HIDI): Remove code iterator.
5997         (code_stdname): New code attribute.
5998         (rotx, rotsmode): Remove DI.
5999         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6000         as code iterator.
6001         * config/avr/avr-protos.h (avr_have_dimode): New.
6002         (avr_out_plus64, avr_out_compare64): New.
6003         * config/avr/avr.c (avr_out_compare): Handle DImode.
6004         (avr_have_dimode): New variable definition and initialization.
6005         (avr_out_compare64, avr_out_plus64): New functions.
6006         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6007         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6008         (avr_compare_pattern): Skip DImode comparisons.
6009
6010 2012-01-02  Revital Eres  <revital.eres@linaro.org>
6011
6012         * ddg.c (def_has_ccmode_p): New function.
6013         (add_cross_iteration_register_deps,
6014         create_ddg_dep_from_intra_loop_link): Call it.
6015
6016 2012-01-02  Richard Guenther  <rguenther@suse.de>
6017
6018         PR other/51679
6019         * invoke.texi (fassociative-math): Remove spurious paranthesis.
6020
6021 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
6022
6023         * gcc.c (process_command): Update copyright notice dates.
6024         * gcov.c (print_version): Likewise.
6025         * gcov-dump.c (print_version): Likewise.
6026         * mips-tfile.c (main): Likewise.
6027         * mips-tdump.c (main): Likewise.
6028
6029 2012-01-01  Ira Rosen  <irar@il.ibm.com>
6030
6031         PR tree-optimization/51704
6032         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6033         a use is inside the basic block or loop before accessing its vect info.
6034
6035 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
6036
6037         PR rtl-optimization/51069
6038         * cfgloopmanip.c (remove_path): Removing path making irreducible
6039         region unconditional makes BB part of the region.
6040
6041 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
6042
6043         PR tree-optimization/51683
6044         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6045         calls with side-effects.
6046         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6047 \f
6048 Copyright (C) 2012 Free Software Foundation, Inc.
6049
6050 Copying and distribution of this file, with or without modification,
6051 are permitted in any medium without royalty provided the copyright
6052 notice and this notice are preserved.