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1 2012-09-15  Andi Kleen  <ak@linux.intel.com>
2
3         Backport from mainline
4         2012-09-07  Andi Kleen  <ak@linux.intel.com>
5
6         * gcc/lto-streamer.h (res_pair): Add.
7         (lto_file_decl_data): Replace resolutions with respairs.
8         Add max_index.
9         * gcc/lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
10         Initialize respairs.
11         (lto_file_finalize): Set up resolutions vector lazily from respairs.
12
13 2012-09-14  Walter Lee  <walt@tilera.com>
14
15         Backport from mainline.
16         2012-09-14  Walter Lee  <walt@tilera.com>
17
18         * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
19         option for TILEPro and TILE-Gx.
20
21 2012-09-13  Uros Bizjak  <ubizjak@gmail.com>
22
23         * config/i386/i386.h (x86_prefetchw): New global variable.
24         (TARGET_PREFETCHW): New macro.
25         * config/i386/i386.c (PTA_PREFETCHW): Ditto.
26         (processor_alias_table): Add PTA_PREFETCHW to
27         bdver1, bdver2 and btver1.
28         (ix86_option_override_internal): Set x86_prefetchw for
29         PTA_PREFETCHW targets.
30         * config/i386/i386.md (prefetch): Expand to prefetchw
31         for TARGET_PREFETCHW.
32         (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
33
34         Backport from mainline
35         2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
36
37         * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
38         (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
39         Rename to ...
40         (*prefetch_sse): ... this.
41         (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
42         Rename to ...
43         (*prefetch_3dnow): ... this.
44
45 2012-09-13  Jakub Jelinek  <jakub@redhat.com>
46
47         PR c/54559
48         * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
49         COMPLEX_TYPE with in_late_binary_op set temporarily to true.
50
51 2012-09-12  Teresa Johnson  <tejohnson@google.com>
52
53         Backport from mainline.
54         2012-09-12  Teresa Johnson  <tejohnson@google.com>
55
56         PR gcov-profile/54487
57         * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
58         test using F_SETLKW with fcntl.
59         * configure, config.in: Regenerate.
60
61 2012-09-12  Uros Bizjak  <ubizjak@gmail.com>
62
63         Backport from mainline
64         2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
65
66         * config/i386/i386.md : Comments on fma4 instruction selection
67         reflect requirement on register pressure based cost model.
68
69         * config/i386/driver-i386.c (host_detect_local_cpu): fma4
70         flag is set-reset as informed by the cpuid flag.
71
72         * config/i386/i386.c (processor_alias_table): fma4
73         flag is enabled for bdver2.
74
75 2012-09-12  Christian Bruel  <christian.bruel@st.com>
76
77        * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
78
79 2012-09-12  Jakub Jelinek  <jakub@redhat.com>
80
81         * config.gcc: Obsolete picochip-*.
82
83 2012-09-11  Richard Guenther  <rguenther@suse.de>
84
85         PR debug/54534
86         * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
87         on flag_toplevel_reorder.
88
89 2012-09-10  Richard Henderson  <rth@redhat.com>
90
91         * config/alpha/predicates.md (small_symbolic_operand): Disallow
92         large offsets.
93
94 2012-09-10  Georg-Johann Lay  <avr@gjlay.de>
95
96         Backport from 2012-09-10 mainline r191132.
97
98         PR target/54536
99         * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
100
101 2012-09-10  Markus Trippelsdorf  <markus@trippelsdorf.de>
102
103         PR middle-end/54515
104         * tree-sra.c (disqualify_base_of_expr): Check for possible
105         NULL_TREE returned by get_base_address()
106
107 2012-09-07  Richard Guenther  <rguenther@suse.de>
108
109         Backport from mainline
110         2012-06-26  Jan Hubicka  <jh@suse.cz>
111
112         PR lto/53572
113         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
114         used symbols.
115
116 2012-09-07  Richard Guenther  <rguenther@suse.de>
117
118         Backport from mainline
119         2012-07-13  Richard Guenther  <rguenther@suse.de>
120
121         PR tree-optimization/53922
122         * tree-vrp.c (value_inside_range): Change prototype to take
123         min/max instead of value-range.
124         (range_includes_zero_p): Likewise.  Return the result from
125         value_inside_range.
126         (extract_range_from_binary_expr_1): Adjust to handle dont-know
127         return value from range_includes_zero_p.
128         (extract_range_from_unary_expr_1): Likewise.
129         (compare_range_with_value): Likewise.
130         (vrp_meet_1): Likewise.
131
132 2012-09-07  Richard Guenther  <rguenther@suse.de>
133
134         PR middle-end/53667
135         * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
136         EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
137         arguments separately.
138
139 2012-09-07  Jakub Jelinek  <jakub@redhat.com>
140
141         Backported from mainline
142         2012-09-06  Jakub Jelinek  <jakub@redhat.com>
143
144         PR rtl-optimization/54455
145         * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
146         bb ends up with asm goto referencing bb's label.
147
148 2012-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
149
150         Backport from mainline.
151         2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
152                     Richard Earnshaw  <richard.earnshaw@arm.com>
153
154         PR target/54252
155         * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
156         element size. Use elem_type from the formal parameter. New parameter
157         fcode.
158         (neon_expand_args): Adjust call to neon_dereference_pointer.
159
160 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
161
162         * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
163         reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
164
165 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
166
167         Backport from mainline
168         2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
169
170         * config/i386/i386.md (isa): Add fma and fma4.
171         (enabled): Handle fma and fma4.
172         * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
173         (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
174         (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
175         (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
176         (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
177         (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
178
179         2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
180
181         * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
182         *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
183         *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
184
185 2012-09-06  Richard Guenther  <rguenther@suse.de>
186
187         PR tree-optimization/54498
188         * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
189         abort when reaching an already visited region.
190         * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
191         (get_continuation_for_phi_1): Likewise.
192         (walk_non_aliased_vuses): When we translated the reference,
193         abort when we re-visit a region.
194         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
195
196 2012-09-06  Andrew Pinski  <apinski@cavium.com>
197
198         PR tree-opt/54494
199         * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
200
201 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
202
203         PR middle-end/54486
204         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
205         build_int_cst with size_type_node instead of size_int.
206
207 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
208
209         Backport from 2012-09-05 mainline r190697.
210
211         PR target/54461
212         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
213         configured --with-avrlibc.
214         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
215         --with-avrlibc.
216         * config/avr/avrlibc.h: New file.
217         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
218         configured --with-avrlibc.
219         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
220
221 2012-09-05  Bin Cheng  <bin.cheng@arm.com>
222
223         Backport from 2012-09-04 mainline r190919
224
225         PR target/45070
226         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
227         of size less than 4 bytes by using macro ARM_NUM_INTS.
228         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
229
230 2012-09-04  Richard Henderson  <rth@redhat.com>
231
232         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
233
234 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
235
236         Backport from 2012-09-04 mainline r190920
237
238         PR target/54476
239         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
240
241 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
242
243         Backport from 2012-09-04 mainline r190914
244
245         PR target/54220
246         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
247         define to...
248         (avr_allocate_stack_slots_for_args): ...this new static function.
249
250 2012-09-03  H.J. Lu  <hongjiu.lu@intel.com>
251
252         Backported from mainline
253         2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
254
255         PR driver/54335
256         * doc/invoke.texi: Add -da and remove -dm.
257
258 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
259
260         Backported from mainline
261         2012-09-01  Jakub Jelinek  <jakub@redhat.com>
262
263         PR target/54436
264         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
265         operands[1] is CONST_INT_P, convert it to QImode before printing.
266
267         2012-08-31  Jakub Jelinek  <jakub@redhat.com>
268
269         PR c/54428
270         * c-convert.c (convert): Don't call fold_convert_loc if
271         TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
272         is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
273         COMPLEX_TYPE -> COMPLEX_TYPE conversion.
274
275         2012-08-24  Jakub Jelinek  <jakub@redhat.com>
276
277         PR c/54363
278         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
279         if init is a CONSTRUCTOR.
280
281 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
282
283         PR rtl-optimization/54369
284         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
285         calling dbr_schedule.
286         * config/sparc/sparc.c (sparc_reorg): Likewise.
287
288 2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>
289
290         Backport from mainline
291         2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>
292
293         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
294         case for Atom processor.
295
296 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
297
298         Backport from mainline
299         2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
300
301         PR target/46254
302         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
303         true for TARGET_64BIT or !flag_pic.
304         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
305         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
306         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
307         Add insn constraint.  Conditionally emit xchg asm insns.
308         (atomic_compare_and_swap<mode>): Update calls.  Check only
309         cmpxchg8b_pic_memory_operand in memory address fixup.
310         (DCASMODE): Remove.
311         (CASHMODE): Rename from DCASHMODE.
312         (doublemodesuffix): Update modes.
313         (regprefix): New mode attribute.
314
315         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
316         <UNSPECV_CMPXCHG>: New constant.
317         (atomic_compare_and_swap<mode>_1): Rename from
318         atomic_compare_and_swap_single<mode>.  Update calls and
319         unspec_volatile constants.
320         (atomic_compare_and_swap<mode>_doubleword): Rename from
321         atomic_compare_and_swap_double<mode>.  Update calls and
322         unspec_volatile constants.
323
324 2012-08-28  Walter Lee  <walt@tilera.com>
325
326         Backport from mainline
327         2012-08-28  Walter Lee  <walt@tilera.com>
328
329         * confg/tilegx/tilegx.md: Fix code style.
330         (*zero_extendsidi_truncdisi): Fix typo.
331         * config/tilegx/tilegx.c: Fix code style.
332         (tilegx_function_profiler): Fix typo.
333
334 2012-08-27  Walter Lee  <walt@tilera.com>
335
336         Backport from mainline
337         2012-08-27  Walter Lee  <walt@tilera.com>
338
339         * doc/md.texi (TILE-Gx): Fix typo.
340
341 2012-08-27  Walter Lee  <walt@tilera.com>
342
343         Backport from mainline
344         2012-08-27  Walter Lee  <walt@tilera.com>
345
346         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
347         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
348
349 2012-08-27  Walter Lee  <walt@tilera.com>
350
351         Backport from mainline
352         2012-08-27  Walter Lee  <walt@tilera.com>
353
354         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
355         (insn_bfins): Delete.
356
357 2012-08-27  Walter Lee  <walt@tilera.com>
358
359         Backport from mainline
360         2012-08-27  Walter Lee  <walt@tilera.com>
361
362         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
363         atomic_exchange_bare<mode>,
364         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
365         * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
366         * config/tilegx/tilegx.md (type): Add X1_remove.
367         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
368         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
369         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
370         X1_remote.
371
372 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
373
374         PR rtl-optimization/54088
375         * jump.c (delete_related_insns): Robustify latest change.
376
377 2012-08-21  Richard Guenther  <rguenther@suse.de>
378
379         Backport from mainline
380         2012-08-16  Richard Guenther  <rguenther@suse.de>
381
382         PR middle-end/54146
383         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
384         exit vector.
385         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
386         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
387         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
388         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
389         (tree_ssa_lim_finalize): Free all mem_refs.
390         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
391         scc when bailing out.
392         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
393         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
394         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
395         FOR_EACH_LOOP_BREAK.
396
397         2012-08-17  Richard Guenther  <rguenther@suse.de>
398
399         * tree-sra.c (modify_function): Free redirect_callers vector.
400         * ipa-split.c (split_function): Free args_to_pass vector.
401         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
402         vec_oprnds.
403         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
404         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
405         (vect_analyze_slp_instance): Free everything.
406         (destroy_bb_vec_info): Free the SLP instances.
407
408         2012-08-17  Richard Guenther  <rguenther@suse.de>
409
410         * params.def (integer-share-limit): Decrease from 256 to 251,
411         add rationale.
412
413         2012-08-21  Richard Guenther  <rguenther@suse.de>
414
415         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
416         the affine expansion cache.
417
418 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
419
420         Backported from trunk
421         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
422
423         PR middle-end/53992
424         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
425
426 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
427
428         Backport from mainline.
429         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
430
431         PR target/54212
432         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
433         mark as predicable. Adjust asm template.
434         (vec_setv2di_internal): Likewise.
435         (vec_extract<mode> VD, VQ): Likewise.
436         (vec_extractv2di): Likewise.
437         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
438         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
439         (neon_vdup_n<mode> VX, V32): Likewise.
440         (neon_vdup_nv2di): Likewise.
441
442 2012-08-17  Walter Lee  <walt@tilera.com>
443
444         Backport from mainline
445         2012-08-17  Walter Lee  <walt@tilera.com>
446
447         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
448         (FEEDBACK_ENTER): Define.
449         (FEEDBACK_REENTER): Define.
450         (FEEDBACK_ENTRY): Define.
451         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
452         (FEEDBACK_ENTER): Define.
453         (FEEDBACK_REENTER): Define.
454         (FEEDBACK_ENTRY): Define.
455
456 2012-08-16  Walter Lee  <walt@tilera.com>
457
458         Backport from mainline
459         2012-08-16  Walter Lee  <walt@tilera.com>
460
461         * config.gcc (tilegx-*-linux*): Add feedback.h.
462         (tilepro-*-linux*): Likewise.
463         * config/tilegx/feedback.h: New file.
464         * config/tilepro/feedback.h: New file.
465
466 2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>
467
468         Backport from mainline r189840 and r187586:
469         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
470
471         * config/i386/i386.md (stack_protect_set): Disable the pattern
472         for Android since Android libc (bionic) does not provide random
473         value for stack protection guard at gs:0x14. Guard value
474         will be provided from external symbol (default implementation).
475         (stack_protect_set_<mode>): Likewise.
476         (stack_protect_test): Likewise.
477         (stack_protect_test_<mode>): Likewise.
478         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
479         not have Bionic by default
480         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
481         Macro OPTION_BIONIC is defined in this file and provides Bionic
482         accessibility status
483
484         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
485
486         * configure.ac: Stack protector enabling for Android targets.
487         * configure: Regenerate.
488
489 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
490
491         Backported from trunk
492         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
493
494         PR rtl-optimization/53942
495         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
496         directly from likely spilled non-fixed hard registers, move them
497         to pseudo first.
498
499 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
500
501         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
502         (xop_phaddubq): Ditto.
503
504 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
505
506         Backport from mainline
507         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
508                     Richard Earnshaw  <rearnsha@arm.com>
509
510         * target.def (vector_alignment): New target hook.
511         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
512         * doc/tm.texi: Regenerate.
513         * targhooks.c (default_vector_alignment): New function.
514         * targhooks.h (default_vector_alignment): Add prototype.
515         * stor-layout.c (layout_type): Use targetm.vector_alignment.
516         * config/arm/arm.c (arm_vector_alignment): New function.
517         (TARGET_VECTOR_ALIGNMENT): Define.
518
519         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
520         vector type alignment instead of size.
521         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
522         element type size directly instead of computing it from alignment.
523         Fix variable naming and comment.
524
525 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
526
527         Backport from mainline
528         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
529
530         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
531         (alpha_pad_function_end): ... this.  Also insert NOP between
532         sibling call and GP load.
533         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
534
535 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
536
537         Backport from mainline
538         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
539                     H.J. Lu  <hongjiu.lu@intel.com>
540
541         PR rtl-optimization/54157
542         * combine.c (gen_lowpart_for_combine): Don't return identity
543         for CONST or symbolic reference.
544
545 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
546
547         Backport from mainline
548         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
549
550         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
551         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
552         split_cost argument signed.
553         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
554         (ix86_avoid_lea_for_addr): Ditto.
555
556         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
557
558         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
559         the address has less than two components.
560
561 2012-08-02  Steve Ellcey  <sellcey@mips.com>
562
563         Backport from mainline
564         2012-07-19  Steve Ellcey  <sellcey@mips.com>
565
566         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
567         MIPS16 mode.
568
569 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
570
571         Backport from mainline
572         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
573
574         PR target/53961
575         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
576         negative constant address for TARGET_X32 ...
577         (ix86_decompose_address): ... here.  Reject constant addresses
578         that don't satisfy x86_64_immediate_operand predicate.
579
580         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
581
582         PR target/53961
583         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
584         * config/i386/i386.c (ix86_print_operand_address): Ditto.
585         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
586         addresses.  Prevent zero extensions of CONST_INT operands.
587
588         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
589
590         PR target/53961
591         * config/i386/i386.md (*lea): New insn pattern.
592         (*lea_1): Remove.
593         (*lea<mode>_2): Ditto.
594         (*lea_{3,4,5,6}_zext): Ditto.
595         * config/i386/predicates.md (lea_address_operand): Do not reject
596         zero-extended address operands.
597         * config/i386/constraints.md (j): Remove address constraint.
598         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
599         of an address.
600         (ix86_print_operand_address): Handle SImode subreg of an address.
601         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
602
603 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
604
605         Backport from mainline
606         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
607
608         PR target/52530
609         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
610         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
611         to set code to 'q'.
612         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
613         (*movdi_internal_rex64): Use %E operand modifier for lea.
614         (*movsi_internal): Ditto.
615         (*lea_1): Ditto.
616         (*lea<mode>_2): Ditto.
617         (*lea_{3,4,5,6}_zext): Ditto.
618         (*tls_global_dynamic_32_gnu): Ditto.
619         (*tls_global_dynamic_64): Ditto.
620         (*tls_dynamic_gnu2_lea_32): Ditto.
621         (*tls_dynamic_gnu2_lea_64): Ditto.
622         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
623
624 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
625
626         Backport from mainline
627         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
628
629         * config/i386/i386.c (ix86_address_subreg_operand): Reject
630         stack pointer.
631         (ix86_print_operand_address): Assert that parts.base and parts.index
632         are non-NULL after call to simplify_subreg.
633
634 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
635
636         PR target/33135
637         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
638         description.
639         * config/sh/sh.c (sh_option_override): Do not change
640         flag_finite_math_only.  Set TARGET_IEEE to complement of
641         flag_finite_math_only.
642         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
643         description of mieee and mno-ieee behavior.
644
645 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
646
647         PR target/53877
648         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
649         (_lzcnt_u64): Ditto.
650
651 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
652
653         Backport from mainline
654         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
655
656         PR rtl-optimization/52250
657         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
658         to put note list into.  Unconditionally call move_bb_info.
659         (move_bb_info): Do not assert the blocks being in the same region,
660         just drop the note list if they are not.
661
662 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
663
664         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
665
666 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
667
668         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
669         defining statement is a SSA name that occurs in abnormal PHIs.
670
671 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
672
673         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
674         conversions.
675
676 2012-07-19  Richard Guenther  <rguenther@suse.de>
677             Eric Botcazou  <ebotcazou@adacore.com>
678
679         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
680         about transition from invariant to known bits.
681         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
682
683 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
684
685         PR middle-end/54017
686         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
687         (cleanup_tree_cfg_bb): Don't call it.
688         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
689         handling.
690
691 2012-07-19  Christian Bruel  <christian.bruel@st.com>
692
693         PR target/54029
694         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
695
696 2012-07-18  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
697
698         * config.gcc (v850-*-rtems*): New target.
699         * config/v850/rtems.h: New.
700         * config/v850/t-rtems: New.
701
702 2012-07-18  Nick Clifton  <nickc@redhat.com>
703
704         * doc/invoke.texi (ARM Options): Document -munaligned-access.
705
706 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
707
708         PR target/53961
709
710         Backport from mainline
711         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
712
713         PR target/53110
714         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
715         instead expand it as zero extension.
716
717 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
718
719         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
720         QImode and HImode splitters.  Use ix86_comparison_operator.
721         Explicitly match FLAGS_REG.
722         (DFmode cmove splitter): Explicitly match FLAGS_REG.
723
724 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
725             Steven Bosscher  <steven@gcc.gnu.org>
726             Bernd Schmidt  <bernds@codesourcery.com>
727
728         PR rtl-optimization/53908
729         * df-problems.c (can_move_insns_across): When doing
730         memory-reference book-keeping, handle call insns.
731
732 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
733
734         Backport from mainline
735         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
736
737         PR target/53811
738         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
739         sibcall_insn_operand.  Move it to a temporary register if not.
740
741         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
742
743         PR target/53853
744         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
745         emit PIC sequence for fnaddr symbol reference in advance.
746
747 2012-07-09  Jason Merrill  <jason@redhat.com>
748
749         PR c++/53882
750         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
751         (type_hash_eq): Likewise.
752
753         PR c++/53826
754         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
755
756 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
757
758         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
759         due to negative shift amount.
760
761 2012-07-06  Kai Tietz  <ktietz@redhat.com>
762
763         Backport from mainline.
764         PR bootstrap/52947
765         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
766         as "/mingw/include".
767
768 2012-07-06  Nick Clifton  <nickc@redhat.com>
769
770         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
771         default_encode_section_info.
772
773 2012-07-06  Richard Guenther  <rguenther@suse.de>
774
775         Backport from mainline
776         2012-03-30  Richard Guenther  <rguenther@suse.de>
777
778         PR middle-end/52786
779         * double-int.c (rshift_double): Remove not needed cast.
780
781         2012-03-28  Richard Guenther  <rguenther@suse.de>
782
783         PR middle-end/50708
784         * double-int.h (rshift_double): Remove.
785         * double-int.c (lshift_double): Use absu_hwi to make count
786         positive.
787         (rshift_double): Make static, take unsigned count argument,
788         remove handling of negative count argument.
789         (double_int_rshift): Dispatch to lshift_double.
790
791 2012-07-06  Richard Guenther  <rguenther@suse.de>
792
793         Backport from mainline
794         2012-06-18  Richard Guenther  <rguenther@suse.de>
795
796         PR tree-optimization/53693
797         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
798         Reject operands with more than one use.
799
800 2012-07-06  Richard Guenther  <rguenther@suse.de>
801
802         Backport from mainline
803         2012-04-11  Richard Guenther  <rguenther@suse.de>
804
805         PR middle-end/52621
806         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
807         consider loop nesting.
808         (evolution_function_is_univariate_p): Properly check the remainder
809         for chrecs.
810
811 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
812
813         Backport from mainline
814         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
815
816         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
817         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
818         (adjacent_mem_locations): Move some code to and call...
819         (get_memref_parts): ...new function.
820         (mem_locations_overlap): New function.
821         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
822         (is_mem_ref): Rename to...
823         (find_mem_ref): ...this. Return MEM rtx.
824         (get_store_dest): Remove function.
825         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
826         new parameter and adjust calls.
827         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
828         mem refs overlap for true_store_to_load_dep_costly.
829         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
830         passed to adjacent_mem_locations.
831         (is_costly_group): Walk resolved dependency list.
832         (force_new_group): Emit group ending nop for Power6/Power7.
833         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
834         (group_ending_nop): New define_insn.
835
836 2012-07-04  Richard Guenther  <rguenther@suse.de>
837
838         PR middle-end/53433
839         * gimple-fold.c (get_base_constructor): Do not return an
840         error_mark_node DECL_INITIAL.
841
842 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
843
844         Backport from mainline
845         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
846
847         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
848         code model string in the error message.
849
850 2012-07-04  Tristan Gingold  <gingold@adacore.com>
851
852         Backport from mainline.
853         2012-06-25  Tristan Gingold  <gingold@adacore.com>
854
855         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
856         (seh_cfa_adjust_cfa): ... that function.
857         (seh_emit_stackalloc): Do not emit out of range values.
858         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
859         UNSPEC_DEF_CFA constants.
860         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
861         * config/i386/i386.c (ix86_frame_pointer_required): Required
862         for very large frames on SEH target.
863         (ix86_compute_frame_layout): Save area is before frame pointer
864         on SEH target.  Handle very large frames.
865         (ix86_expand_prologue): Likewise.
866
867 2012-07-04  Richard Guenther  <rguenther@suse.de>
868
869         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
870         as in free_lang_data_in_type.
871
872 2012-07-02  Martin Jambor  <mjambor@suse.cz>
873
874         Backport from mainline.
875         2012-07-02  Martin Jambor  <mjambor@suse.cz>
876
877         PR middle-end/38474
878         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
879         dynamic type change check.
880
881 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
882
883         * tree-eh.c (lower_try_finally_switch): Really put the location of the
884         last statement of the finally block onto the switch.
885
886 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
887
888         * configure: Regenerate.
889
890         Backport from mainline.
891         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
892
893         * config.gcc (target_type_format_char): New. Document it. Set it for
894         arm*-*-* .
895         * configure.ac (gnu_unique_option): Use target_type_format_char
896         in test.  Comment rationale.
897
898 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
899
900         Backport from mainline.
901         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
902
903         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
904
905 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
906
907         Backport from 2012-06-28 mainline r189049
908
909         PR 53595
910         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
911         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
912         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
913         avr_hard_regno_call_part_clobbered.
914
915 2012-06-28  Richard Guenther  <rguenther@suse.de>
916
917         PR middle-end/53790
918         * expr.c (expand_expr_real_1): Verify if the type is complete
919         before inspecting its size.
920
921 2012-06-27  Nick Clifton  <nickc@redhat.com>
922
923         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
924         input operand.
925
926 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
927
928         PR debug/53682
929         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
930
931 2012-06-26  Nick Clifton  <nickc@redhat.com>
932
933         * config/rx/rx.md (simple_return): Use the simple_return rtx.
934
935 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
936
937         PR target/53759
938         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
939         of x x x in the vmovlps load alternative.
940
941 2012-06-22  Richard Guenther  <rguenther@suse.de>
942
943         * gcov-iov.c: Include bconfig.h and system.h.
944
945 2012-06-22  Richard Guenther  <rguenther@suse.de>
946
947         PR gcov-profile/53744
948         * gcov-iov.c (main): Treat "" and "prerelease" the same.
949
950 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
951
952         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
953         DECL_IGNORED_P non-reg vars even if they are used.
954
955 2012-06-19  Jason Merrill  <jason@redhat.com>
956
957         PR c++/52637
958         * dwarf2out.c (modified_type_die): Use scope_die_for.
959         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
960         (uses_local_type_r, uses_local_type): New.
961         (scope_die_for): Keep a type that uses a local type in local scope.
962         Use get_context_die for namespace and type scope.
963
964 2012-06-19  Richard Guenther  <rguenther@suse.de>
965
966         PR middle-end/53470
967         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
968         replace it with the first non-BLOCK context.
969
970 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
971
972         PR rtl-optimization/53700
973
974         Backport from mainline
975         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
976
977         * ira-color.c (setup_left_conflict_sizes_p): Process all
978         conflicting objects.
979
980 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
981
982         Backport from mainline
983         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
984
985         PR target/52908
986         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
987         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
988         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
989         instead of xop_mulv2div2di3_low.
990         (xop_p<macs>dql): Fix vec_select selector.
991         (xop_p<macs>dqh): Ditto.
992         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
993         (xop_mulv2div2di3_high): Ditto.
994
995 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
996
997         Backport from mainline:
998         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
999
1000         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1001
1002 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1003
1004         Backport from mainline:
1005         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1006
1007         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1008         * config/pa/pa.c (pa_attr_length_millicode_call): Use
1009         MAX_PCREL17F_OFFSET instead of fixed offset.
1010         (pa_attr_length_call): Likewise.
1011         (pa_attr_length_indirect_call): Likewise.
1012
1013 2012-06-15  Walter Lee  <walt@tilera.com>
1014
1015         Backport from mainline:
1016         2012-06-15  Walter Lee  <walt@tilera.com>
1017
1018         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1019
1020         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
1021
1022         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1023
1024 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
1025
1026         Backport from mainline:
1027
1028         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1029         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1030         * gimple.h (block_in_transaction): Check for flag_tm.
1031
1032 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
1033
1034         PR tree-optimization/52558
1035
1036         Backport from mainline:
1037         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
1038         * gimple.h (gimple_set_in_transaction): Remove.
1039         (gimple_in_transaction): Look in BB instead.
1040         (gimple_statement_base): Remove in_transaction field.
1041         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1042         * trans-mem.c (compute_transaction_bits): Place transaction bit
1043         information into basic blocks.
1044
1045         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1046
1047         PR tree-optimization/52558
1048         * cfg.c (alloc_aux_for_edge): Fix comment.
1049         (alloc_aux_for_edge): Remove static.
1050         * basic-block.h (alloc_aux_for_edge): Protoize.
1051         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1052         (execute_sm_if_changed_flag): New.
1053         (execute_sm_if_changed_flag_set): New.
1054         (execute_sm): Do not generate data races unless requested.
1055         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1056         (tree_ssa_lim_finalize): Call free_aux_for_edges.
1057         * gimple.h (block_in_transaction): New.
1058         (gimple_in_transaction): Use block_in_transaction.
1059
1060 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
1061
1062         Backported from mainline
1063         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
1064
1065         PR rtl-optimization/53589
1066         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1067         discovery even when e->dest != target.  If any LABEL_REF points
1068         to e->dest label, redirect it to target's label.
1069
1070         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
1071
1072         PR middle-end/53580
1073         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1074         returns false, replace stmt with GIMPLE_NOP.
1075         (check_omp_nesting_restrictions): Instead of issuing warnings,
1076         issue errors and return false if any errors were reported.
1077
1078 2012-06-14  Richard Guenther  <rguenther@suse.de>
1079
1080         * BASE-VER: Set to 4.7.2.
1081         * DEV-PHASE: Set to prerelease.
1082
1083 2012-06-12  Christian Bruel  <christian.bruel@st.com>
1084
1085         PR target/53621
1086         * config/sh/sh.c (sh_option_override): Don't force
1087          flag_omit_frame_pointer and maccumulate_outgoing_args.
1088         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1089
1090 2012-06-14  Release Manager
1091
1092         * GCC 4.7.1 released.
1093
1094 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
1095
1096         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1097
1098 2012-06-13  Richard Henderson  <rth@redhat.com>
1099
1100         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1101         iterator instead of INT.
1102
1103 2012-06-08  Richard Henderson  <rth@redhat.com>
1104
1105         PR c++/53602
1106         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1107         note to a clobber insn when no other insn is available.
1108
1109 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
1110
1111         PR c++/53524
1112         * doc/invoke.texi (Wenum-compare): Update documentation.
1113
1114 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
1115
1116         PR target/53559
1117         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1118         operands.
1119         (altivec_stvlxl): Ditto.
1120         (altivec_stvrx): Ditto.
1121         (altivec_stvrxl): Ditto.
1122
1123 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
1124
1125         PR middle-end/47530
1126         * trans-mem.c (expand_block_edges): Do not skip the first
1127         statement when resetting the BB.
1128
1129 2012-06-04  Richard Guenther  <rguenther@suse.de>
1130
1131         PR middle-end/53471
1132         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1133         create new assembler names.
1134
1135 2012-06-04  Richard Guenther  <rguenther@suse.de>
1136
1137         Backport from mainline
1138         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1139
1140         PR middle-end/52979
1141         * stor-layout.c (get_best_mode): Don't return mode with bitsize
1142         larger than maxbits.  Don't compute maxbits modulo align.
1143         Also check that unit bytes long store at bitpos / unit * unit
1144         doesn't affect bits beyond bitregion_end.
1145         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1146         would not fit into bitregion_start ... bitregion_end + 1 bit
1147         region.
1148         (store_split_bit_field): Decrease unit close to end of bitregion_end
1149         if access is restricted in order to avoid mutual recursion.
1150
1151 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
1152
1153         Backport from 2012-06-04 mainline r188172
1154
1155         PR target/46261
1156         * config/avr/avr-stdint.h: New file.
1157         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1158         newlib-stdint.h
1159
1160 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
1161
1162         PR tree-optimization/53550
1163         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1164         is POINTER_TYPE_P, use sizetype as step type instead of type.
1165
1166 2012-06-04  Richard Guenther  <rguenther@suse.de>
1167             Eric Botcazou  <ebotcazou@adacore.com>
1168
1169         Backport from mainline
1170         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
1171
1172         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1173         Change type of BITOFFSET to signed.  Make sure the lower bound of
1174         the computed range is non-negative by adjusting OFFSET and BITPOS.
1175         (expand_assignment): Adjust call to get_bit_range.
1176
1177         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1178
1179         * expr.c (get_bit_range): Return the null range if the enclosing record
1180         is part of a larger bit field.
1181
1182         2012-03-20  Richard Guenther  <rguenther@suse.de>
1183
1184         * stor-layout.c (finish_bitfield_representative): Fallback
1185         to conservative maximum size if the padding up to the next
1186         field cannot be computed as a constant.
1187         (finish_bitfield_layout): If we cannot compute the distance
1188         between the start of the bitfield representative and the
1189         bitfield member start a new representative.
1190         * expr.c (get_bit_range): The distance between the start of
1191         the bitfield representative and the bitfield member is zero
1192         if the field offsets are not constants.
1193
1194         2012-03-16  Richard Guenther  <rguenther@suse.de>
1195
1196         * stor-layout.c (finish_bitfield_representative): Fall back
1197         to the conservative maximum size if we cannot compute the
1198         size of the tail padding.
1199
1200         2012-03-14  Richard Guenther  <rguenther@suse.de>
1201
1202         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1203         * stor-layout.c (start_bitfield_representative): New function.
1204         (finish_bitfield_representative): Likewise.
1205         (finish_bitfield_layout): Likewise.
1206         (finish_record_layout): Call finish_bitfield_layout.
1207         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1208         for QUAL_UNION_TYPE fields.
1209         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1210         Stream DECL_BIT_FIELD_REPRESENTATIVE.
1211         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1212
1213         PR middle-end/52080
1214         PR middle-end/52097
1215         PR middle-end/48124
1216         * expr.c (get_bit_range): Unconditionally extract bitrange
1217         from DECL_BIT_FIELD_REPRESENTATIVE.
1218         (expand_assignment): Adjust call to get_bit_range.
1219
1220 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1221
1222         PR middle-end/53501
1223         * fold-const.c (fold_binary_loc): Refine previous change.
1224
1225 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1226
1227         Backport from mainline
1228         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
1229
1230         PR target/52667
1231         * config/sh/sh.c (find_barrier): Add equality check of last_got to
1232         avoid going above orig insn.  Update comments.
1233
1234 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1235
1236         Backport from mainline
1237         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1238
1239         PR target/52642
1240         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1241         prologue for unwinder and profiler.
1242
1243 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1244
1245         Backport from mainline
1246         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1247
1248         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1249
1250 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1251
1252         Backport from mainline
1253         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1254
1255         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1256         DBX_REGISTER_NUMBER.
1257
1258 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1259
1260         Backport from mainline
1261         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1262
1263         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1264         operand is CONST_INT.  Take COSTS_N_INSNS into account.
1265         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1266         shiftcosts.     
1267
1268 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1269
1270         * config/avr/avr.opt (-msp8): Document it.
1271         * doc/invoke.texi (AVR Options): Copy from trunk docu.
1272
1273 2012-05-31  Richard Guenther  <rguenther@suse.de>
1274
1275         PR middle-end/48493
1276         * expr.c (expand_assignment): Do not use movmisalign on
1277         non-memory.
1278
1279 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1280
1281         PR target/52999
1282         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1283         (pa_section_type_flags): New.
1284         (pa_legitimate_constant_p): Revert previous change.
1285
1286 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
1287
1288         Backport from mainline
1289         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
1290
1291         PR middle-end/53008
1292         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1293         accessed indirectly.
1294         (ipa_tm_create_version): Same.
1295
1296 2012-05-30  Jason Merrill  <jason@redhat.com>
1297
1298         PR c++/53220
1299         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1300         about array compound literals.
1301
1302 2012-05-30  Richard Guenther  <rguenther@suse.de>
1303
1304         PR middle-end/53501
1305         * fold-const.c (fold_binary_loc): Make sure to call
1306         fold_plusminus_mult_expr with the original sign of operands.
1307
1308 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1309
1310         * explow.c (probe_stack_range): Restore simple control flow and stop
1311         again when the probe cannot be generated if HAVE_check_stack.
1312
1313 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
1314
1315         PR rtl-optimization/53519
1316         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1317         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1318
1319 2012-05-29  Richard Guenther  <rguenther@suse.de>
1320
1321         PR tree-optimization/53516
1322         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1323         bitfield accesses.
1324         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1325
1326 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1327
1328         Backport from mainline
1329         2012-05-28  Richard Guenther  <rguenther@suse.de>
1330
1331         PR tree-optimization/53438
1332         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1333
1334 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1335
1336         Backport from mainline
1337         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1338
1339         PR rtl-optimization/52528
1340         * combine.c (can_combine_p): Add setting of subst_low_luid
1341         before call to expand_field_assignment().
1342
1343 2012-05-26  Martin Jambor  <mjambor@suse.cz>
1344
1345         Backport from mainline
1346         2012-05-23  Martin Jambor  <mjambor@suse.cz>
1347
1348         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1349
1350 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1351
1352         PR lto/52178
1353         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1354         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1355
1356 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1357
1358         PR target/53435
1359         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1360         (ix86_expand_vec_perm): Use int mode instead of float.
1361
1362 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1363
1364         PR ada/52362
1365         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1366         gnu_ld variables to yes.
1367         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1368         (HAVE_GNU_AS): Likewise.
1369         * config.in: Regenerate.
1370         * configure: Likewise.
1371
1372 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1373
1374         Backport from mainline
1375         2012-03-12  Richard Guenther  <rguenther@suse.de>
1376         * config/arm/arm.c (neon_dereference_pointer): Do not call
1377         covert during RTL expansion.
1378
1379 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1380
1381         Backport from mainline
1382         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1383
1384         PR target/53385
1385         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1386         relied on signed overflow behavior.
1387
1388 2012-05-24  Richard Guenther  <rguenther@suse.de>
1389
1390         PR middle-end/53460
1391         * tree-profile.c (tree_profiling): Cleanup the CFG if
1392         execute_fixup_cfg requests it.
1393
1394 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1395
1396         PR tree-optimization/53465
1397         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1398         vr0 into *vr, then vrp_meet that.
1399         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1400         have any equivalences.
1401         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1402         first time.
1403
1404 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1405
1406         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1407         size handling.
1408         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1409         (iterative_hash_gimple_type): Adjust comment.
1410         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1411         domain for an array type instead of the domain type itself.
1412
1413 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1414
1415         Backport from 2012-05-23 mainline r187803
1416
1417         PR target/53448
1418         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1419         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1420         ASM_OUTPUT_ALIGN.
1421
1422 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1423
1424         Backport from 2012-05-03 mainline r187075
1425
1426         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1427         has_fma4 for AMD processors with both fma3 and fma4 support.
1428
1429 2012-05-22  Richard Guenther  <rguenther@suse.de>
1430
1431         PR tree-optimization/53408
1432         * tree-vect-loop.c (vectorizable_induction): Properly check
1433         the restriction that we cannot handle induction results from
1434         the inner loop outside of the outer loop.
1435
1436 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1437
1438         PR tree-optimization/53436
1439         * omp-low.c (omp_build_component_ref): New function.
1440         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1441
1442         PR tree-optimization/53366
1443         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1444         tests if complex_numbers == 2, but there are non-complex number loads
1445         too.
1446
1447         PR tree-optimization/53409
1448         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1449         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1450
1451         PR tree-optimization/53410
1452         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1453         instead of build_int_cst (type, 0) where vector types might be
1454         involved.
1455
1456 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1457
1458         PR c/53418
1459         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1460         from folded operands before wrapping another around the
1461         conditional expression.
1462
1463 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
1464             Patrick Marlier  <patrick.marlier@gmail.com>
1465
1466         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1467         indirect calls.
1468
1469 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1470
1471         Backport from mainline
1472         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1473
1474         PR target/53416
1475         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1476         (UNSPECV_RDRAND): This.
1477         (rdrand<mode>_1): Updated.
1478
1479 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1480
1481         Backport from mainline
1482         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1483
1484         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1485         RDRND, F16C and FSGSBASE.
1486
1487 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1488
1489         Backport from mainline
1490         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1491
1492         * tree-ssa-pre.c (can_value_number_call): Delete.
1493         (compute_avail): Skip all statements with side effects.
1494         <GIMPLE_CALL>: Skip calls to internal functions.
1495
1496 2012-05-18  David S. Miller  <davem@davemloft.net>
1497
1498         Backport r185385 from mainline
1499         2012-03-14  Richard Guenther  <rguenther@suse.de>
1500
1501         PR middle-end/52584
1502         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1503         element type instead of mode, use build_vector_type_for_mode
1504         instead of the langhook, build a vector of proper signedness.
1505         (expand_vector_operations_1): Adjust.
1506
1507 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1508
1509         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1510         $(libsubdir) as libexecsubdir.
1511
1512 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1513
1514         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1515         GIMPLE_ASSIGN.
1516
1517 2012-05-16  David S. Miller  <davem@davemloft.net>
1518
1519         * jump.c (delete_related_insns): If we remove a CALL, make sure
1520         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1521
1522 2012-05-16  Richard Henderson  <rth@redhat.com>
1523
1524         PR debug/52727
1525         * combine-stack-adj.c (prev_active_insn_bb): New.
1526         (next_active_insn_bb): New.
1527         (force_move_args_size_note): New.
1528         (combine_stack_adjustments_for_block): Use it.
1529
1530 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1531
1532         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1533         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1534         Add comments and improve stamp preservation across the whole sequence.
1535         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1536
1537 2012-05-16  Richard Guenther  <rguenther@suse.de>
1538
1539         PR tree-optimization/53364
1540         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1541         detect a view-conversion of the decl.
1542
1543 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1544
1545         PR target/53358
1546         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1547         that operands[2] is either immediate, or q_regs_operand.
1548
1549 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1550
1551         Backport r187139 from mainline.
1552         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1553
1554         PR rtl-optimization/52804
1555         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1556         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1557         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1558         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1559         RELOAD_FOR_OUTADDR_ADDRESS.
1560
1561 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1562
1563         PR target/46098
1564         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1565         generate target register for "load" class builtins.
1566
1567         Revert:
1568         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1569
1570         PR target/46098
1571         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1572         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1573         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1574         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1575         (<sse>_movu<ssemodesuffix>): New expander.
1576         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1577         (avx_movdqu<avxmodesuffix>): New expander.
1578         (*sse2_movdqu): Rename from sse2_movdqu.
1579         (sse2_movdqu): New expander.
1580
1581 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1582
1583         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1584         lineno 1 the same as lineno 0 before first start file directive.
1585         (optimize_macinfo_range): Likewise.
1586
1587         * dwarf2out.c (have_macinfo): Define.
1588         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1589         attribute, don't force empty compilation unit and don't emit any
1590         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1591
1592 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1593
1594         Backport from mainline
1595         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1596
1597         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1598         ORDERED and UNORDERED conditions.
1599
1600 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1601
1602         * function.c (requires_stack_frame_p): If the function can throw
1603         non-call exceptions, return true if the insn can throw internally.
1604
1605 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1606
1607         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1608         DECL_ORIGINAL_TYPE if it is present.
1609
1610 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1611
1612         Backport from 2012-05-12 mainline r187342.
1613
1614         PR target/53256
1615         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1616         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1617         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1618         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1619         (expand_prologue): Move initialization of cfun->machine->is_naked,
1620         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1621         (avr_set_current_function): ...this new static function.
1622         (TARGET_SET_CURRENT_FUNCTION): New define.
1623         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1624         checking attributes of current_function_decl.
1625         (avr_regs_to_save): Ditto.
1626         (signal_function_p): Rename to avr_signal_function_p.
1627         (interrupt_function_p): Rename to avr_interrupt_function_p.
1628
1629         * doc/extend.texi (Function Attributes): Better explanation of
1630         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1631         alphabetical order.
1632
1633 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1634
1635         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1636
1637 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1638
1639         PR target/53272
1640         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1641         when a constant source operand matches an "I" constraint, the "no
1642         CC0 change" applies to a register-destination only, not a
1643         strict_low_part-destination.
1644
1645 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1646
1647         Backport from mainline:
1648         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1649
1650         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1651
1652 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1653
1654         PR tree-optimization/53239
1655         * tree-vrp.c (get_value_range): Set VR of
1656         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1657         to nonnull.
1658
1659 2012-05-07  Richard Guenther  <rguenther@suse.de>
1660
1661         PR tree-optimization/53195
1662         * tree-inline.c (setup_one_parameter): Properly add referenced
1663         vars from the parameters new known value.
1664
1665 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1666
1667         Backport from mainline:
1668         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1669
1670         PR target/52999
1671         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1672         in constant pool.
1673
1674 2012-05-04  Ian Lance Taylor  <iant@google.com>
1675
1676         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1677         values from false to NULL.
1678
1679 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1680
1681         Backport from mainline
1682         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1683
1684         PR target/53228
1685         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1686         (TARGET_CMOV): Rename from TARGET_CMOVE.
1687         (TARGET_CMOVE): New define.
1688         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1689         Do not set TARGET_CMOVE here.
1690
1691 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1692
1693         Backport from mainline:
1694
1695         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1696
1697         PR tree-optimization/52633
1698         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1699         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1700         (vect_recog_over_widening_pattern): Remove handling of code that was
1701         already detected as over-widening pattern.  Remove special handling
1702         of "unsigned" cases.  Instead, support general case of conversion
1703         of the shift result to another type.
1704
1705         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1706
1707         * tree-vect-patterns.c (vect_single_imm_use): New function.
1708         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1709         (vect_recog_over_widening_pattern): Likewise.
1710         (vect_recog_widen_shift_pattern): Likewise.
1711
1712         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1713
1714         PR tree-optimization/52870
1715         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1716         presumed pattern statement is within the same loop or basic block.
1717
1718 2012-05-04  Richard Guenther  <rguenther@suse.de>
1719
1720         * common.opt (flto-report): Do not mark as Optimization.
1721
1722 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1723
1724         PR target/48496
1725         * recog.c (constrain_operands): If extra constraints are present, also
1726         accept pseudo-registers with equivalent memory locations during reload.
1727
1728 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1729
1730         Backport from the mainline
1731         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1732
1733         PR target/53199
1734         * config/rs6000/rs6000.md (bswapdi splitters): If
1735         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1736         default) is used, generate an alternate sequence that does not
1737         depend on using indexed addressing.
1738
1739 2012-05-03  David S. Miller  <davem@davemloft.net>
1740
1741         PR target/52684
1742         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1743         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1744         (sparc_emit_float_lib_cmp): Likewise.
1745
1746 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1747
1748         Backport from mainline
1749         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1750
1751         PR lto/52605
1752         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1753         of a variable when the contect is a function.
1754
1755 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1756
1757         PR plugins/53126
1758         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1759         append program name to it and pass that as first argument
1760         to make_relative_prefix.  Always pass standard_libexec_prefix
1761         as last argument to make_relative_prefix.  If
1762         make_relative_prefix returns NULL, fall back to
1763         standard_libexec_prefix.
1764
1765         PR debug/53174
1766         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1767         removed.
1768
1769         PR target/53187
1770         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1771         mode, return that mode.
1772
1773 2012-05-03  Richard Guenther  <rguenther@suse.de>
1774
1775         PR tree-optimization/53144
1776         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1777         Rename to ...
1778         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1779         with SSA name values.
1780         (vn_reference_lookup_3): Adjust callers.
1781
1782 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1783
1784         PR tree-optimization/53163
1785         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1786         return value from compute_all_dependences.
1787
1788         PR rtl-optimization/53160
1789         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1790         has been modified by ree pass already.
1791
1792 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1793
1794         Backport from mainline
1795         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1796
1797         PR middle-end/53136
1798         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1799         calls to cgraph_node_name in xstrdup.
1800         (ipa_make_edge_direct_to_target): Ditto.
1801         * tree-sra.c (convert_callers_for_node): Ditto.
1802         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1803         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1804         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1805         (cgraph_materialize_all_clones): Ditto.
1806         * ipa-inline.c (report_inline_failed_reason): Ditto.
1807         (want_early_inline_function_p): Ditto.
1808         (edge_badness): Ditto.
1809         (update_edge_key): Ditto.
1810         (flatten_function): Ditto.
1811         (ipa_inline): Ditto.
1812         (inline_always_inline_functions): Ditto.
1813         (early_inline_small_functions): Ditto.
1814
1815 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1816
1817         Backport from mainline
1818         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1819
1820         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1821         Introduce emul_name to select the right linker emulation for
1822         powerpc64-*-freebsd*.
1823         * configure: Regenerate.
1824         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1825         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1826         * config/rs6000/freebsd64.h: New file.
1827         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1828         POWERPC_FREEBSD.
1829         (rs6000_savres_strategy): Likewise.
1830         (rs6000_savres_routine_name): Likewise.
1831         (rs6000_elf_file_end): Likewise.
1832         * config/rs6000/t-freebsd64: New file.
1833         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1834         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1835
1836 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1837
1838         Backport from mainline
1839         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1840
1841         PR target/53138
1842         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1843
1844 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1845
1846         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1847         predicate to discriminate types.
1848
1849 2012-04-27  Richard Guenther  <rguenther@suse.de>
1850
1851         PR c/51527
1852         * convert.c (convert_to_integer): Avoid infinite recursion for
1853         target-defined built-in types.
1854
1855 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1856
1857         PR target/53120
1858         * config/cris/cris.md ("*andhi_lowpart_v32")
1859         ("*andqi_lowpart_v32"): Change first input-only operand from
1860         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1861         const_int-matching constraints for redundancy.
1862         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1863         three-operand alternative.
1864
1865 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1866
1867         Backport from mainline
1868         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1869
1870         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1871         (*addsi_2_zext): Ditto.
1872         (*add<mode>_3): Ditto.
1873         (*addsi_3_zext): Ditto.
1874         (*add<mode>_5): Ditto.
1875
1876 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1877
1878         PR c/52880
1879         * c-typeck.c (set_nonincremental_init,
1880         set_nonincremental_init_from_string): Pass true instead of false
1881         as IMPLICIT to add_pending_init.
1882
1883 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1884
1885         Backport from 2012-04-24 mainline r186768.
1886
1887         PR target/53065
1888         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1889
1890 2012-04-24  Richard Guenther  <rguenther@suse.de>
1891
1892         PR tree-optimization/53085
1893         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1894         stores.
1895
1896 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1897
1898         PR middle-end/53084
1899         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1900         of MEM_REF.
1901         (output_addressed_constants): Likewise.
1902
1903         PR middle-end/52999
1904         * varasm.c (get_section): Don't ICE for section conflicts with
1905         built-in section kinds.
1906
1907 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1908
1909         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1910
1911 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1912
1913         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1914
1915 2012-04-23  Richard Guenther  <rguenther@suse.de>
1916
1917         PR c/53060
1918         * c-typeck.c (build_binary_op): Fix typo.
1919
1920 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1921
1922         PR tree-optimizations/52891
1923         * tree-vect-patterns.c (adjust_bool_pattern): Use
1924         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1925         but with non-standard precision.
1926
1927 2012-04-22  Ian Lance Taylor  <iant@google.com>
1928
1929         * godump.c (go_output_typedef): Dump size of structs.
1930
1931 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1932
1933         Backport from mainline:
1934
1935         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1936         hints for 'A' operand types.
1937
1938 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1939
1940         Backport from 2012-04-19 mainline r186588.
1941
1942         PR target/53033
1943         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1944         the case *(X+const).
1945
1946 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1947
1948         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1949
1950 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1951
1952         PR target/53020
1953         * config/i386/sync.md (atomic_<code><mode>): Rename to
1954         atomic_<logic><mode>.
1955
1956 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1957
1958         Backport from mainline
1959         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1960
1961         PR target/52932
1962         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1963         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1964         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1965         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1966         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1967         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1968         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1969         gen_avx2_permvarv8sf.
1970
1971 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1972
1973         Backported from mainline
1974
1975         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1976         PR middle-end/52939
1977
1978         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1979         fold_ctor_reference returns a zero constant.
1980
1981 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1982
1983         Backported from mainline
1984         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1985
1986         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1987         and __ILP32__ for x32.
1988
1989 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1990
1991         Backport from mainline r186418.
1992
1993         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1994
1995         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1996         parameters vuse and vuse_escaped.
1997         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1998         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1999         vuse1 != vuse2.
2000
2001 2012-04-13  Richard Guenther  <rguenther@suse.de>
2002
2003         PR tree-optimization/52969
2004         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2005         the condition for the COND_EXPR and handle predicate negation
2006         by swapping the COND_EXPR arms.
2007
2008 2012-04-13  Richard Guenther  <rguenther@suse.de>
2009
2010         PR c/52862
2011         * convert.c (convert_to_pointer): Remove special-casing of
2012         zero.
2013
2014 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2015
2016         Backport from mainline
2017         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2018
2019         PR target/52775
2020         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2021         the list of options to enable the FCFID instruction.
2022         (TARGET_EXTRA_BUILTINS): Adjust comment.
2023
2024 2012-04-12  Richard Guenther  <rguenther@suse.de>
2025
2026         PR tree-optimization/52943
2027         * tree-chrec.h (chrec_is_positive): Remove.
2028         * tree-scalar-evolution.c (chrec_is_positive): Move ...
2029         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
2030         Return false for a constant zero instead of negative.
2031         (analyze_siv_subscript_cst_affine): Handle zero difference
2032         in the initial condition explicitely.
2033
2034 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2035
2036         PR middle-end/52894
2037         * varasm.c (process_pending_assemble_externals): Set
2038         pending_assemble_externals_processed true.
2039         (assemble_external): Call assemble_external_real if the pending
2040         assemble externals have been processed.
2041
2042 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2043
2044         PR target/52717
2045         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2046         the DECL generated for the special GOT helper.
2047
2048 2012-04-06  Walter Lee  <walt@tilera.com>
2049
2050         Backport from mainline
2051         2012-03-07  Walter Lee  <walt@tilera.com>
2052
2053         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2054         REG_CFA_* notes for the stack pointer.
2055         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2056         EH_RETURN_STACKADJ_RTX.
2057         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2058         generate REG_CFA_* notes for the stack pointer.
2059         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2060         by EH_RETURN_STACKADJ_RTX.
2061
2062 2012-04-06  Matt Turner  <mattst88@gmail.com>
2063
2064         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2065
2066 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
2067
2068         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2069         of the destination isn't also a FP_REGS register.
2070
2071 2012-04-03  Richard Guenther  <rguenther@suse.de>
2072
2073         Backport from mainline
2074         2012-03-02  Richard Guenther  <rguenther@suse.de>
2075
2076         PR tree-optimization/52406
2077         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2078         (struct indices): Add unconstrained_base member.
2079         (struct dr_alias): Remove unused vops member.
2080         (DR_UNCONSTRAINED_BASE): New define.
2081         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2082         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
2083         be an artificial access that covers the whole indexed object,
2084         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
2085         plain decl base-objects to their MEM_REF variant.
2086         (dr_may_alias_p): When the base-object of either data reference
2087         has unknown size use only points-to information.
2088         (compute_affine_dependence): Make dumps easier to read and
2089         more verbose.
2090         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2091         DR_REF when looking for packed references.
2092         (vect_supportable_dr_alignment): Likewise.
2093
2094 2012-04-03  Richard Guenther  <rguenther@suse.de>
2095
2096         Backport from mainline
2097         2012-03-15  Richard Guenther  <rguenther@suse.de>
2098
2099         PR middle-end/52580
2100         * tree-data-ref.c (subscript_dependence_tester_1): Check
2101         all dimensions for non-conflicting access functions.
2102
2103 2012-04-03  Richard Guenther  <rguenther@suse.de>
2104
2105         Backport from mainline
2106         2012-03-06  Richard Guenther  <rguenther@suse.de>
2107
2108         PR middle-end/52493
2109         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2110
2111         2012-03-23  Richard Guenther  <rguenther@suse.de>
2112
2113         PR tree-optimization/52678
2114         * tree-vectorizer.h (struct _stmt_vec_info): Add
2115         loop_phi_evolution_part member.
2116         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2117         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2118         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2119         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2120         Use the cached evolution part and the PHI nodes value from
2121         the loop preheader edge instead of re-analyzing the evolution.
2122
2123         2012-03-26  Richard Guenther  <rguenther@suse.de>
2124
2125         PR tree-optimization/52701
2126         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2127         compute and set the evolution part of PHI nodes.
2128
2129         2012-03-30  Richard Guenther  <rguenther@suse.de>
2130
2131         PR tree-optimization/52754
2132         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2133         propagate arbitrary addresses into really plain dereferences.
2134
2135 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
2136
2137         PR tree-optimization/52835
2138         * tree-data-ref.c (build_rdg): Return NULL if
2139         compute_data_dependences_for_loop failed.
2140
2141 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
2142
2143         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2144         (stmt_can_make_abnormal_goto): Use it.
2145         (is_ctrl_altering_stmt): Likewise.
2146
2147 2012-03-31  Martin Jambor  <mjambor@suse.cz>
2148
2149         Backported from mainline
2150         2012-03-30  Martin Jambor  <mjambor@suse.cz>
2151
2152         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2153         is a builtin_stack_save in a dominating BB.
2154
2155 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2156
2157         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2158         crossing 128bit lane boundary.
2159
2160 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2161
2162         Backported from mainline
2163         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
2164
2165         PR target/52698
2166         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2167         New prototype.
2168         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2169         * config/i386/i386.c: Include reload.h.
2170         (ix86_legitimize_reload_address): New function.
2171
2172 2012-03-28  Martin Jambor  <mjambor@suse.cz>
2173
2174         Backported from mainline
2175         2012-03-27  Martin Jambor  <mjambor@suse.cz>
2176
2177         PR middle-end/52693
2178         * tree-sra.c (sra_modify_assign): Do not call
2179         load_assign_lhs_subreplacements when working with an unscalarizable
2180         region.
2181
2182 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2183
2184         PR middle-end/52691
2185         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2186         __builtin_va_start to __builtin_next_arg if the latter is
2187         builtin_decl_explicit_p rather than when it is not.
2188
2189         PR middle-end/52750
2190         * tree-vect-generic.c (vector_element): Perform multiplication
2191         for pos in bitsizetype type instead of idx type.
2192
2193 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2194
2195         Backport from 2012-03-28 mainline r185910.
2196
2197         PR target/52692
2198         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2199         (avr_builtin_decl): New static function.
2200         (struct avr_builtin_description, avr_bdesc): Move up.
2201         Add GTY marker. Add field fndecl. Remove redundant field id.
2202         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2203         (avr_expand_builtin): Code cleanup because .id is removed.
2204
2205 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
2206
2207         PR middle-end/51893
2208         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2209         targets.
2210
2211 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2212
2213         Backport from 2012-03-28 mainline r185907.
2214
2215         PR target/52737
2216         * config.gcc (tm_file): Remove avr/multilib.h.
2217
2218         * doc/invoke.texi (AVR Options): Adjust
2219         documentation of -mtiny-stack.
2220
2221         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2222         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2223         * config/avr/t-avr: Remove generation of multilib.h.
2224         * config/avr/t-multilib: Regenerate.
2225         * config/avr/multilib.h: Remove.
2226         * config/avr/avr.opt (-msp8): New option.
2227         (avr_sp8): New variable.
2228         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2229         * config/avr/avr.h (AVR_HAVE_SPH): New define.
2230         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2231         (avr_device_to_sp8): New prototype.
2232         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2233         (DRIVER_SELF_SPECS): New define.
2234         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2235         __AVR_SP8__, __AVR_HAVE_SPH__.
2236         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2237         AVR_HAVE_8BIT_SP to decide if SP_H is present.
2238         (avr_file_start): Ditto.
2239
2240 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2241
2242         PR target/52736
2243         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2244         instead of 8 in adjust_address.
2245
2246 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
2247
2248         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2249         of a unit before computing the offset in units.
2250
2251 2012-03-27  Richard Guenther  <rguenther@suse.de>
2252
2253         PR middle-end/52720
2254         * fold-const.c (try_move_mult_to_index): Handle &x.array more
2255         explicitely.
2256
2257 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2258
2259         PR target/52610
2260         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2261
2262 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
2263
2264         PR middle-end/52640
2265         * varasm.c: Include pointer-set.h.
2266         (pending_assemble_externals_set): New pointer set.
2267         (process_pending_assemble_externals): Destroy the pointer set.
2268         (assemble_external): See if decl is in pending_assemble_externals_set,
2269         and add it to pending_assemble_externals if necessary.
2270         (init_varasm_once): Allocate pending_assemble_externals_set.
2271
2272 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2273
2274         Backported from mainline
2275         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2276
2277         PR target/50310
2278         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2279         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2280         (vector_ltgt<mode>): Likewise.
2281         (vector_ordered<mode>): Likewise.
2282         (vector_unordered<mode>): Likewise.
2283         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2284
2285 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
2286
2287         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2288         Make static.
2289
2290 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2291
2292         Backported from mainline
2293         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
2294
2295         PR target/48596
2296         PR target/48806
2297         * config/sh/sh.c (sh_register_move_cost): Increase cost between
2298         GENERAL_REGS and FP_REGS for SImode.
2299
2300 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2301
2302         PR middle-end/52547
2303         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2304         on any new_local_var_chain vars declared during recursing on
2305         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2306
2307 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2308
2309         Backport from 2012-03-22 mainline r185692.
2310
2311         PR target/52496
2312         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2313         (unspecv): Add UNSPECV_MEMORY_BARRIER.
2314         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2315         (delay_cycles_1, delay_cycles_2): Ditto.
2316         (delay_cycles_3, delay_cycles_4): Ditto.
2317         (nopv, *nopv): Ditto.
2318         (sleep, *sleep): Ditto.
2319         (wdr, *wdr): Ditto.
2320
2321         Backport from 2012-03-21 mainline r185605.
2322
2323         PR rtl-optimization/52543
2324         PR target/52461
2325         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2326         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2327         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2328         (avr_load_libgcc_p): Restrict to __flash loads.
2329         (avr_out_lpm): Only handle 1-byte loads from __flash.
2330         (avr_load_lpm): New function.
2331         (avr_find_unused_d_reg): Remove.
2332         (avr_out_lpm_no_lpmx): Remove.
2333         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2334         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2335         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2336         (load_<mode>, load_<mode>_clobber): New insns.
2337         (mov<mode>): For multi-byte move from non-generic
2338         16-bit address spaces: Expand to load_<mode> resp.
2339         load_<mode>_clobber.
2340         (load<mode>_libgcc): Remove expander.
2341         (split-lpmx): Remove split.
2342
2343         Backport from 2012-03-13 mainline r185329.
2344
2345         PR target/52488
2346         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2347         offset (size) to a value the insns can deal with.
2348         (expand_epilogue): Ditto.
2349
2350         Backport from 2012-03-12 mainline r185256.
2351
2352         PR target/52499
2353         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2354         type from reg_class_t to enum reg_class.
2355         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2356
2357         Backport from 2012-03-12 mainline r185253.
2358
2359         PR target/52148
2360         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2361         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2362         r184615 from 2012-02-28.
2363
2364         Backport from 2012-03-08 mainline r185105.
2365
2366         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2367         for constants in [-63,63].
2368
2369         Backport from 2012-03-08 mainline r185100.
2370
2371         PR target/52496
2372         * config/avr/avr.c (avr_mem_clobber): New static function.
2373         (avr_expand_delay_cycles): Add memory clobber operand to
2374         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2375         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2376         (enable_interrupt, disable_interrupt): New expander.
2377         (nopv, sleep, wdr): New expanders.
2378         (delay_cycles_1): Add memory clobber.
2379         (delay_cycles_2): Add memory clobber.
2380         (delay_cycles_3): Add memory clobber.
2381         (delay_cycles_4): Add memory clobber.
2382         (cli_sei): New insn from former "enable_interrupt",
2383         "disable_interrupt" with memory clobber.
2384         (*wdt): New insn from former "wdt" with memory clobber.
2385         (*nopv): Similar, but for "nopv".
2386         (*sleep): Similar, but for "sleep".
2387
2388         Backport from 2012-03-07 mainline r185043.
2389
2390         PR target/52484
2391         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2392
2393         Backport from 2012-03-07 mainline r185032.
2394
2395         PR target/52506
2396         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2397         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2398         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2399
2400         Backport from 2012-03-07 mainline r185031.
2401
2402         PR target/52505
2403         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2404         from RAM.
2405         * config/avr/avr.md (xload_8): Adjust insn length.
2406
2407         Backport from 2012-03-07 mainline r185030.
2408
2409         PR target/52461
2410         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2411         if RAMPZ affects reading from RAM.
2412
2413         Backport from 2012-03-05 mainline r184919.
2414
2415         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2416
2417 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2418
2419         Backport from mainline r185259.
2420
2421         PR other/52545
2422         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2423         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2424
2425 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2426
2427         Backported from mainline
2428         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
2429
2430         PR c/52577
2431         * c-parser.c (c_parser_postfix_expression)
2432         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2433
2434         * config/i386/smmintrin.h: Avoid /* within a comment.
2435         * config/i386/nmmintrin.h: Likewise.
2436
2437 2012-03-22  Richard Guenther  <rguenther@suse.de>
2438
2439         * BASE-VER: Set to 4.7.1.
2440         * DEV-PHASE: Set to prerelease.
2441
2442 2012-03-22  Release Manager
2443
2444         * GCC 4.7.0 released.
2445
2446 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2447
2448         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2449
2450 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
2451             Andrew Pinski  <apinski@cavium.com>
2452
2453         PR middle-end/52592
2454         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2455         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2456         calls instead of __builtin_ir{int,ound}*.
2457
2458 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
2459
2460         PR c++/52582
2461         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2462         if c_node is NULL.
2463
2464 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2465
2466         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2467         Refer to GCC 4.7 version of c99status.html.
2468
2469 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2470
2471         Backport from mainline
2472         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2473
2474         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2475         redefine to be NULL if the current bit-size is different from the
2476         configured bit-size.
2477
2478         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2479         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2480         set the default tuning.  Add asserts to make sure the cpu and tune
2481         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2482         test whether the index is set, instead of > 0.
2483         (rs6000_file_start): Do not reset the default cpu if the current
2484         bit-size is different from the configured bit-size.
2485
2486 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2487
2488         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2489         binutils reference.
2490         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2491         Update binutils references.
2492         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2493         Update binutils reference.
2494         Update Sun as/GNU ld caveat.
2495         Document binutils largefile requirement for LTO plugin.
2496         Remove reference to alternate libpthread.
2497
2498 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2499
2500         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2501         reference.
2502         (Specific, mips-sgi-irix6): Likewise.
2503
2504 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2505
2506         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2507         * configure: Regenerate.
2508
2509 2012-03-07  Richard Henderson  <rth@redhat.com>
2510
2511         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2512         * config/m68k/sync.md (atomic_test_and_set): Use it.
2513         (atomic_test_and_set_1): Likewise.
2514
2515 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
2516
2517         PR target/51417
2518         * Makefile.in: Let install-gcc-ar depend on installdirs,
2519         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2520         Don't double canonicalize if cross-compiling.
2521
2522 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2523
2524         * trans-mem.c: New typedef for tm_region_p.
2525         Define vector types for tm_region_p.
2526         (tm_region_init): Replace region_worklist to a vector called
2527         bb_regions.
2528
2529 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2530
2531         PR middle-end/52463
2532         * trans-mem.c (tm_region_init): Use last_basic_block.
2533
2534 2012-03-05  Richard Henderson  <rth@redhat.com>
2535
2536         PR tree-opt/52242
2537         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2538         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2539         BIGGEST_ALIGNMENT is aligned.
2540
2541 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2542
2543         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2544
2545 2012-03-05  Richard Henderson  <rth@redhat.com>
2546
2547         PR target/52481
2548         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2549         instead of calling negqi2 directly.
2550
2551 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2552
2553         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2554         (INTMAX_TYPE): Use it.
2555         (UINTMAX_TYPE): Likewise.
2556         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2557         (irix6_c_common_override_options): Declare.
2558         (C_COMMON_OVERRIDE_OPTIONS): Define.
2559         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2560         * config/mips/irix6-c.c: New file.
2561         * config/mips/t-irix6 (irix6-c.o): New target.
2562         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2563         cxx_target_objs.
2564
2565 2012-03-02  Richard Henderson  <rth@redhat.com>
2566
2567         * optabs.c (expand_atomic_test_and_set): Honor
2568         atomic_test_and_set_trueval even when atomic_test_and_set
2569         optab is not in use.
2570
2571 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2572
2573         Backport from mainline
2574         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2575
2576         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2577
2578 2012-03-02  Richard Guenther  <rguenther@suse.de>
2579
2580         * DEV-PHASE: Set to prerelease.
2581
2582 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2583
2584         * config.gcc (obsolete): Add all ARM targets using the FPA.
2585         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2586         * doc/install.texi: Avoid references to obsolete ARM ports.
2587
2588 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2589
2590         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2591
2592 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2593             Joern Rennecke  <joern.rennecke@embecosm.com>
2594
2595         * doc/extend.texi: Expand and update information on interrupt
2596         attribute for Epiphany.
2597
2598 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2599
2600         * config/sh/sh-protos.h: Update copyright notice dates.
2601         * config/sh/sh.h: Likewise.
2602         * config/sh/sh.md: Likewise.
2603         * config/sh/constraints.md: Likewise.
2604         * config/sh/predicates.md: Likewise.
2605
2606 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2607
2608         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2609         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2610
2611 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2612
2613         * config/sh/constraints.md: Fix comment typo.
2614
2615 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2616
2617         PR target/52408
2618         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2619         unsigned HOST_WIDE_INT.
2620         (zvdep_imm64): Likewise.
2621         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2622         (vdepi_and): Likewise.
2623         Likewise for unamed 64-bit patterns.
2624         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2625
2626 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2627
2628         PR debug/52001
2629         PR rtl-optimization/52417
2630         * cselib.c (cselib_any_perm_equivs): New variable.
2631         (cselib_reset_table): Check that it's not set when not
2632         preserving constants.
2633         (cselib_add_permanent_equiv): Set it.
2634         (cselib_have_permanent_equivalences): New.
2635         (cselib_init, cselib_finish): Reset it.
2636         * cselib.h (cselib_have_permanent_equivalences): Declare.
2637         * alias.c (get_addr): Restore earlier behavior when there
2638         aren't permanent equivalences.
2639
2640 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2641
2642         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2643         * config/v850/v850-modes.def: Fix copyright notice.
2644
2645 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2646
2647         * doc/extend.texi (AVR Built-in Functions): Document
2648         __builtin_avr_flash_segment.
2649
2650         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2651         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2652         (*split.flash_segment): New insn-and-split.
2653         * config/avr/avr.c (avr_init_builtins): Add local variables:
2654         const_memx_void_node, const_memx_ptr_type_node,
2655         char_ftype_const_memx_ptr.
2656
2657 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2658
2659         PR tree-optimization/52445
2660         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2661         add ssa_name_ver, offset and size fields and change store field
2662         to bool.
2663         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2664         (add_or_mark_expr): Likewise.  Only consider previous stores
2665         with the same size and offset.
2666         (nt_init_block): Only look at gimple_assign_single_p stmts,
2667         doesn't look at rhs2.
2668
2669 2012-03-01  Richard Guenther  <rguenther@suse.de>
2670
2671         PR middle-end/52443
2672         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2673         conversions from integral types to pointer types.
2674
2675 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2676
2677         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2678         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2679         unintentionally removed in r184616.
2680
2681 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2682
2683         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2684         3DNow from bdver1.
2685
2686 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2687             Uros Bizjak  <ubizjak@gmail.com>
2688
2689         PR target/52437
2690         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2691         alternatives, add "e" constraint to the new last alternative
2692         and ! to last 3 alternatives.
2693
2694 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2695
2696         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2697         DW_AT_artificial attributes at the end of the processing.
2698         (gen_array_type_die): Likewise.
2699         (gen_enumeration_type_die): Likewise.
2700         (gen_struct_or_union_type_die): Likewise.
2701         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2702         the parent type.
2703
2704 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2705
2706         PR middle-end/52419
2707         * expr.c (expand_assignment): If doing misaligned store that doesn't
2708         cover all mode bits, perform a RMW cycle.
2709
2710         PR tree-optimization/52429
2711         * tree-parloops.c (separate_decls_in_region_debug): Return early
2712         if var is LABEL_DECL.
2713
2714 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2715
2716         PR tree-optimization/52424
2717         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2718         calling dom_thread_across_edge.
2719
2720 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2721
2722         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2723
2724 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2725
2726         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2727         * config/avr/avr.c (avr_output_bld): Remove unused function.
2728         (avr_out_sbxx_branch): Use "%T" to print bit position.
2729
2730 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2731
2732         * config/avr/avr.md: Untabify.
2733
2734 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2735
2736         * config/avr/avr.md (eqne): New code iterator.
2737         (*dec-and-branchsi): Use it in text peephole's condition.
2738         (*dec-and-branchhi): Ditto.
2739         (*dec-and-branchqi): Ditto.
2740
2741 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2742
2743         PR target/49939
2744         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2745         the device does not have the skip-bug.
2746
2747 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2748
2749         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2750         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2751         -mpretend-cmove): New.
2752
2753 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2754
2755         PR bootstrap/52397
2756         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2757         doesn't count DEBUG_INSN refs.
2758         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2759         for DEBUG_INSN refs.
2760
2761 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2762
2763         Partially revert:
2764
2765         2012-02-20  Richard Guenther  <rguenther@suse.de>
2766         PR tree-optimization/52298
2767         * tree-vect-stmts.c (vectorizable_load): Properly use
2768         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2769         outer loops.
2770
2771 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2772
2773         PR middle-end/51752
2774         * gimple.h (gimple_in_transaction): New.
2775         (gimple_set_in_transaction): New.
2776         (struct gimple_statement_base): Add in_transaction field.
2777         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2778         transaction loads.
2779         (tree_ssa_lim_initialize): Compute transaction bits.
2780         * tree.h (compute_transaction_bits): Protoize.
2781         * trans-mem.c (tm_region_init): Use the heap to store BB
2782         auxilliary data.
2783         (compute_transaction_bits): New.
2784
2785 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2786
2787         * gcc.c (display_help): Document --help=common and sort entries
2788         alphabetically.
2789
2790 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2791
2792         * doc/install.texi: Document check-$LANG specific shortcuts
2793
2794 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2795
2796         PR target/51534
2797         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2798         and vcgtu.
2799         * config/arm/arm_neon.h: Regenerate.
2800         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2801         (neon_vcgeu): New insn.
2802         (neon_vcgtu): Likewise.
2803         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2804         (ops): Unsigned comparison intrinsics call a different
2805         builtin.
2806
2807 2012-02-28  Richard Guenther  <rguenther@suse.de>
2808
2809         PR target/52407
2810         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2811         ordering for the VEC_CONCAT for two element vectors for
2812         V2SFmode, V2SImode and V2DImode.
2813
2814 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2815
2816         PR target/49448
2817         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2818         detecting big-endian triplets.
2819
2820 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2821
2822         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2823         mode if there is no type information available.
2824
2825 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2826
2827         PR tree-optimization/53207
2828         * doc/invoke.texi: Document as experimental and relying on graphite.
2829
2830 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2831
2832         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2833         of initializer to changes from r184614.
2834
2835 2012-02-28  Richard Guenther  <rguenther@suse.de>
2836
2837         PR tree-optimization/52395
2838         * tree-sra.c (build_ref_for_offset): Also look at the base
2839         TYPE_ALIGN when figuring out the alignment of the replacement.
2840
2841 2012-02-28  Richard Guenther  <rguenther@suse.de>
2842
2843         PR tree-optimization/52402
2844         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2845         mis-aligned types when creating the accesses at the call site.
2846
2847 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2848
2849         * config/avr/builtins.def: New file.
2850         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2851         * config/avr/avr.c (enum avr_builtin_id): Use it.
2852         (avr_init_builtins): Use it. And use avr_bdesc.
2853         (bdesc_1arg): Remove.
2854         (bdesc_2arg): Remove.
2855         (bdesc_3arg): Remove.
2856         (struct avr_builtin_description): Add field n_args.
2857         (avr_bdesc): New static variable using builtins.def.
2858         (avr_expand_builtin): Use it.
2859         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2860         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2861         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2862
2863 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2864
2865         PR target/52148
2866         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2867         match only one single hard register with respective hard reg rtx.
2868         (movmemx_<mode>): Ditto.
2869         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2870         insn anatomy of movmem[x]_<mode>.
2871         (avr_out_movmem): Same for printing assembler and operand usage.
2872
2873 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2874
2875         PR target/49868
2876         PR target/52261
2877         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2878         address spaces located outside of device flash.
2879
2880         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2881         (mcu_type_s): Add field n_flash.
2882         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2883         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2884         (AVR_MCU): Add N_FLASH argument.
2885         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2886         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2887         macro __FLASH<n> if that address space makes sense for the device.
2888         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2889         outside of target flash.
2890         (avr_asm_named_section): Ditto.
2891         (avr_asm_select_section): Ditto.
2892         (avr_addr_space_convert): Ditto.
2893         (avr_emit_movmemhi): Ditto.
2894         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2895         address space is outside of device flash.
2896         (avr_insert_attributes): Ditto.
2897         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2898         avr_current_arch->n_segments.
2899
2900 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2901
2902         PR target/52352
2903         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2904         TARGET_LP64.
2905         (*movabs<mode>_2): Likewise.
2906
2907 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2908
2909         PR target/52375
2910         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2911         s_register_operand in the test instead of REG_P.  Don't call
2912         gen_reg_rtx if it won't be used.
2913
2914         PR tree-optimization/52376
2915         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2916
2917 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2918
2919         * ifcvt.c (noce_get_condition): Check condition variable is not
2920         small_register_classes_for_mode_p before accepting.
2921
2922 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2923
2924         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2925
2926 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2927
2928         Revert:
2929         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2930         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2931         tuning parameters.
2932         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2933
2934 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2935
2936         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2937
2938 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2939
2940         * config/sh/predicates.md: Remove blank lines.
2941         * config/sh/sh.c: Fix typos in comments.
2942         * config/sh/constraints.md: Likewise.
2943         * config/sh/sh.md: Remove blank lines.
2944         Fix typos in comments.  Use ;; as comment characters.
2945
2946 2012-02-26  Walter Lee  <walt@tilera.com>
2947
2948         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2949         (replace_mov_pcrel_step2): Ditto.
2950
2951 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2952
2953         PR debug/52001
2954         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2955         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2956         and locs that reference values newer than the non-canonical value
2957         at hand.  Return the canonical value as a worst case.
2958         (memrefs_conflict_p): Walk canonical value's locs.
2959
2960         PR debug/52001
2961         * cselib.c (preserve_only_constants): Rename to...
2962         (preserve_constants_and_equivs): ... this.  Split out...
2963         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2964         of other preserved expressions too.
2965         (cselib_reset_table): Adjust.
2966         * var-tracking.c (reverse_op): Use canonical value to build
2967         reverse operation.
2968
2969 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2970
2971         * config/i386/i386.c (ix86_delegitimize_address): Handle
2972         UNSPEC_PCREL plus displacement.
2973
2974 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2975
2976         PR target/52261
2977         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2978         to test for unusedness in st X addressing.
2979
2980 2012-02-24  Richard Guenther  <rguenther@suse.de>
2981
2982         PR middle-end/52361
2983         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2984         (is_gimple_reg_type): Move inline ...
2985         * gimple.h (is_gimple_reg_type): ... here.
2986
2987 2012-02-24  Richard Guenther  <rguenther@suse.de>
2988
2989         PR middle-end/52361
2990         * passes.c (execute_function_todo): When verifying SSA form
2991         verify gimple form first.
2992         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2993
2994 2012-02-24  Richard Guenther  <rguenther@suse.de>
2995
2996         PR middle-end/52355
2997         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2998         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2999
3000 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3001
3002         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3003
3004 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3005
3006         * tree-phinodes.c (make_phi_node): Mark static.
3007         * tree-flow.h (make_phi_node): Remove extern decl.
3008         * doc/gimple.texi (make_phi_node): Remove documentation.
3009
3010 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3011
3012         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3013         * tree-ssa-sccvn.c (print_scc): Ditto.
3014
3015 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3016
3017         * doc/passes.texi (Full redundancy elimination): Fix typo.
3018
3019 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3020
3021         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3022
3023 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
3024
3025         PR bootstrap/52287
3026         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3027
3028 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
3029
3030         PR c/52290
3031         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3032
3033 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
3034
3035         * config/avr/avr.md (code_stdname): Add ior, xor.
3036         (xior): New code iterator.
3037         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3038         (*<code_stdname><mode>qi.byte1-3): Ditto.
3039
3040 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
3041
3042         PR tree-optimization/52019
3043         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3044         CLOBBER stmts.
3045
3046 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3047
3048         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3049         HAVE_INITFINI_ARRAY to work around namespace pollution in
3050         certain versions of newlib system headers.
3051         * config.in: Regenerate.
3052         * configure: Regenerate.
3053         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3054         instead of HAVE_INITFINI_ARRAY.
3055
3056 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
3057
3058         PR target/52330
3059         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3060         is not offsettable memory reference.
3061
3062 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3063
3064         PR target/18145
3065         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3066         setting avr_need_clear_bss_p for __gnu_lto* symbols.
3067
3068 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3069
3070         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3071         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3072
3073 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3074
3075         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3076         library on Solaris 8 even without TLS support.
3077         * configure: Regenerate.
3078
3079 2012-02-22  Richard Guenther  <rguenther@suse.de>
3080
3081         PR middle-end/52329
3082         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3083         for GIMPLE_DEBUG stmts.
3084
3085 2012-02-22  Martin Jambor  <mjambor@suse.cz>
3086
3087         PR middle-end/51782
3088         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3089         according to the base object.
3090
3091 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3092
3093         PR rtl-optimization/50063
3094         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3095         and 2 (8-bit SP) in operand 2.
3096         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3097         setup to use movhi_sp_r instead of vanilla move to write SP.
3098         Adjust REG_CFA notes to superseed unspec.
3099         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3100         of vanilla move.
3101         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3102         known to be off) only with TARGET_NO_INTERRUPTS. Never use
3103         irq_state 1 (IRQ known to be on) here.
3104
3105 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
3106
3107         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3108         WORDS_BIG_ENDIAN.
3109         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3110         assign_hard_reg): Likewise.
3111
3112 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3113
3114         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3115
3116 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3117
3118         * config/avr/avr.md
3119         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3120         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3121
3122 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3123
3124         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3125         prototype from here to...
3126         * config/avr/avr.h: ...here.
3127
3128 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
3129
3130         PR target/52294
3131         * thumb2.md (thumb2_shiftsi3_short): Split register and
3132         immediate shifts.  For register shifts tie operands 0 and 1.
3133         (peephole2 for above): Check that register-controlled shifts
3134         have suitably tied operands.
3135
3136 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
3137
3138         PR target/52137
3139         * config/i386/bdver1.md (bdver1_call, bdver1_push,
3140         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3141         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3142         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3143         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3144         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3145         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3146         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3147         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3148         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3149         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3150         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3151         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3152         bdver1_ssevector_avx256_unaligned_load,
3153         bdver1_ssevector_sse128_unaligned_load,
3154         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3155         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3156         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3157         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3158         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3159         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3160         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3161         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3162         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3163         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3164         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3165         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3166         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3167         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3168         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3169         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3170         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3171         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3172         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3173         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3174         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3175         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3176         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3177         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3178         bdver1_ssediv_double_load, bdver1_ssediv_double,
3179         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3180         Add "bdver2" attribute.
3181
3182 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3183
3184         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3185         default if possible and not specified otherwise.
3186
3187 2012-02-21  Richard Guenther  <rguenther@suse.de>
3188
3189         PR middle-end/52314
3190         * gimplify.c (create_tmp_from_val): Use the main variant type
3191         for the type of the temporary we create.
3192
3193 2012-02-21  Richard Guenther  <rguenther@suse.de>
3194
3195         PR tree-optimization/52324
3196         * gimplify.c (gimplify_expr): When re-gimplifying expressions
3197         do not gimplify a MEM_REF address operand if it is already
3198         in suitable form.
3199
3200 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3201
3202         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3203         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3204
3205 2012-02-21  Richard Guenther  <rguenther@suse.de>
3206
3207         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3208         nested_in_vect_loop.
3209
3210 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
3211
3212         PR tree-optimization/52318
3213         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3214         vdef also to non-pure/const call stmts in the sequence.
3215
3216 2012-02-20  David S. Miller  <davem@davemloft.net>
3217
3218         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3219         don't use the "rd %pc" instruction on v9 for PIC register loads.
3220
3221 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
3222
3223         PR middle-end/52141
3224         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3225         in a transaction safe function.
3226
3227 2012-02-20  Kai Tietz  <ktietz@redhat.com>
3228
3229         PR target/52238
3230         * stor-layout.c (place_field): Handle desired_align for
3231         ms-bitfields, too.
3232
3233 2012-02-20  Richard Guenther  <rguenther@suse.de>
3234
3235         PR tree-optimization/52298
3236         * tree-vect-stmts.c (vectorizable_store): Properly use
3237         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3238         outer loops.
3239         (vectorizable_load): Likewise.
3240         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3241         Access DR_STEP after ensuring it is not NULL.
3242
3243 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
3244
3245         PR tree-optimization/52286
3246         * fold-const.c (fold_binary_loc): For (X & C1) | C2
3247         optimization use double_int_to_tree instead of build_int_cst_wide,
3248         rewrite to use double_int vars.
3249
3250 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3251
3252         PR target/50166
3253         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3254         Define _start.
3255         Remove -e 0 from $gcc_cv_ld invocation.
3256         Only use __GLIBC_PREREQ if defined.
3257         Enable on Solaris since Solaris 8 patch.
3258         (gcc_SUN_LD_VERSION): New macro.
3259         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3260         gcc_SUN_LD_VERSION for version number format.
3261         * configure: Regenerate.
3262         * varasm.c (get_elf_initfini_array_priority_section): Set
3263         SECTION_NOTYPE for non-default priority.
3264         Use get_section instead of get_unnamed_section to emit
3265         .init_array/.fini_array with default priority.
3266
3267 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3268
3269         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3270         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
3271         (mips_start_unique_function, mips_output_mips16_rdhwr)
3272         (mips_code_end): New functions.
3273         (TARGET_ASM_CODE_END): Define.
3274
3275 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3276
3277         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3278         to stubs with non-sibling calls.
3279
3280 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3281
3282         * doc/invoke.texi (-fira-* options): Copy-edit.
3283         (ira-* parameters): Copy-edit.
3284
3285 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3286
3287         * doc/invoke.texi: Minor copy-edits to bring into conformance with
3288         GCC coding conventions.
3289
3290 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3291
3292         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3293         when used as adjectives.
3294
3295 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
3296
3297         * doc/invoke.texi: Clean up "that"/"which" confusion.
3298
3299 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
3300
3301         * system.h: Poison SMALL_REGISTER_CLASSES
3302         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3303         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3304
3305 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3306
3307         PR tree-optimization/52285
3308         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3309         when deciding if a call is a tail call or tail recursion.
3310
3311 2012-02-16  Kai Tietz  <ktietz@redhat.com>
3312
3313         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3314         interger-constant displacement for UNSPEC_PCREL.
3315
3316 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3317
3318         PR rtl-optimization/52208
3319         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3320         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3321
3322         PR tree-optimization/52255
3323         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3324         loop->header has virtual PHI, but exit_e->dest doesn't, add
3325         virtual PHI to exit_e->dest and adjust all uses after the loop.
3326
3327         PR debug/52260
3328         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3329         children with clone_tree_hash, not after it.
3330
3331 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
3332
3333         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3334         extended identifiers.
3335
3336 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3337
3338         PR middle-end/51929
3339         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3340         a same_body_alias, also test whether e->callee isn't a former
3341         or current clone of the decl this is a same body alias of.
3342
3343         PR translation/52264
3344         * cgraphunit.c (verify_cgraph_node): Fix a typo.
3345
3346 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3347
3348         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3349
3350 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3351
3352         PR target/52199
3353         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3354         force_reg instead of copy_to_reg for better optimization.  Force
3355         non-register or memory operands into a register.
3356
3357 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
3358
3359         * extend.texi: Reserve upper bits of memory model for future use.
3360
3361 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
3362             Anatoly Sokolov <aesok@post.ru>
3363             Eric Weddington <eric.weddington@atmel.com>
3364
3365         PR target/52261
3366         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3367         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3368         Rewrite initializers for .macro.
3369         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3370         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3371         atxmega32d4, atxmega32x1.
3372         avrxmega4: atxmega64a3, atxmega64d3.
3373         avrxmega5: atxmega64a1, atxmega64a1u.
3374         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3375         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3376         avrxmega7: atxmega128a1, atxmega128a1u.
3377         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3378         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3379         (struct base_arch_s): Rename reserved to xmega_p.
3380         Rename reserved2 to have_rampd.
3381         (AVR_XMEGA): New define.
3382         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3383         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3384         * config/avr/predicates.md (io_address_operand): Take into
3385         account SFR offset.
3386         (low_io_address_operand): Ditto.
3387         (high_io_address_operand): Ditto.
3388         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3389         (enabled, movhi_sp_r): Use them.
3390         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3391         cpp_define_formatted to built-in define __AVR_ARCH__.
3392         (__AVR_XMEGA__): New built-in define.
3393         (__AVR_HAVE_RAMPD__): New built-in define.
3394         (__AVR_HAVE_RAMPX__): New built-in define.
3395         (__AVR_HAVE_RAMPY__): New built-in define.
3396         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3397
3398         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3399         (avr_option_override): Initialize them.
3400         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3401         (avr_init_expanders): Initialize them. No more block several calls.
3402         (emit_push_sfr): New static function.
3403         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3404         Handle AVR_XMEGA.
3405         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3406         (avr_print_operand): Print addreeses as symbols for
3407         RAMPX, RAMPY, RAMPD, CCP.
3408         (output_movhi): Handle AVR_XMEGA when writing to SP.
3409         (avr_out_movhi_mr_r_xmega): New static function.
3410         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3411         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
3412         __RAMPD__,  __CCP__ as needed.
3413
3414         * config/avr/multilib.h: Regenerate.
3415         * config/avr/t-multilib: Regenerate.
3416         * config/avr/avr-tables.opt: Regenerate.
3417
3418 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
3419
3420         PR tree-optimization/50561
3421         * graphite-flattening.c (lst_project_loop): Do not
3422         remove old scattering dimensions after flattening.
3423         (lst_do_flatten): Likewise.
3424
3425 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
3426
3427         * doc/extend.texi (AVR Built-in Functions): Remove doc for
3428         __builtin_avr_map8, __builtin_avr_map16.
3429         Document __builtin_avr_insert_bits.
3430
3431         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3432         (insert_bits): New insn.
3433         (adjust_len.map_bits): Rename to insert_bits.
3434         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3435         * avr-protos.h (avr_out_map_bits): Remove.
3436         (avr_out_insert_bits, avr_has_nibble_0xf): New.
3437         * config/avr/constraints.md (Cxf,C0f): New.
3438         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3439         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3440         New built-in define __BUILTIN_AVR_INSERT_BITS.
3441         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3442         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3443         (avr_move_bits): Rewrite.
3444         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3445         functions.
3446         (avr_map_op_t): New typedef.
3447         (avr_map_op): New static variable.
3448         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3449         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3450         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3451         (bdesc_3arg, avr_expand_triop_builtin): New.
3452         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3453         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3454         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3455         (avr_map_equal_p, avr_map_sig_p): Remove.
3456         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3457         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3458         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3459         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3460         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3461         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3462
3463 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3464
3465         * config/c6x/c6x.md (reserve_cycles): New attribute.
3466         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3467         don't reserve functional units after the branch occurs.
3468
3469 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
3470
3471         PR middle-end/52142
3472         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3473         functions into non-tm_pure functions.
3474
3475 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3476
3477         PR lto/52178
3478         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3479         (iterative_hash_canonical_type): Likewise.
3480         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3481         the dead edges.
3482
3483 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3484
3485         * haifa-sched.c (prune_ready_list): Ensure that if there is a
3486         sched-group insn, it either remains alone or the entire list is pruned.
3487
3488 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3489
3490         * doc/install.texi (Prerequisites): Fix grammar.
3491         (Configuration): Likewise.
3492
3493 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3494
3495         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3496         MPC as part of GCC before describing configuring with --with-gmp etc.
3497         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3498         sources are present.
3499
3500 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3501
3502         PR debug/51950
3503         * dwarf2out.c (clone_tree_hash): New function.
3504         (copy_decls_walk): Use it instead of clone_tree.
3505
3506 2012-02-14  Richard Guenther  <rguenther@suse.de>
3507
3508         PR tree-optimization/52244
3509         PR tree-optimization/51528
3510         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3511         replacements for integral types.
3512
3513 2012-02-14  Walter Lee  <walt@tilera.com>
3514
3515         * config.gcc: Handle tilegx and tilepro.
3516         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3517         tilegx and tilepro.
3518         Add HAVE_AS_TLS check for tilegx and tilepro.
3519         * configure: Regenerate.
3520         * doc/contrib.texi: Add Mat Hostetter and self.
3521         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3522         Document instruction intrinsics and network accessing intrinsics.
3523         (TILEPro Built-in Functions): New node.  Document instruction
3524         intrinsics and network accessing intrinsics.
3525         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3526         (Specific, tilepro-*-linux*): Likewise.
3527         * doc/invoke.texi (TILE-Gx Options): New section.
3528         (TILEPro Options): New section.
3529         * doc/md.texi (TILE-Gx): New section.
3530         (TILEPro): New section.
3531         * common/config/tilegx/tilegx-common.c: New file.
3532         * common/config/tilepro/tilepro-common.c: New file.
3533         * config/tilegx/constraints.md: New file.
3534         * config/tilegx/linux.h: New file.
3535         * config/tilegx/mul-tables.c: New file.
3536         * config/tilegx/predicates.md: New file.
3537         * config/tilegx/sync.md: New file.
3538         * config/tilegx/t-tilegx: New file.
3539         * config/tilegx/tilegx-builtins.h: New file.
3540         * config/tilegx/tilegx-c.c: New file.
3541         * config/tilegx/tilegx-generic.md: New file.
3542         * config/tilegx/tilegx-modes.def: New file.
3543         * config/tilegx/tilegx-multiply.h: New file.
3544         * config/tilegx/tilegx-protos.h: New file.
3545         * config/tilegx/tilegx.c: New file.
3546         * config/tilegx/tilegx.h: New file.
3547         * config/tilegx/tilegx.md: New file.
3548         * config/tilegx/tilegx.opt: New file.
3549         * config/tilepro/constraints.md: New file.
3550         * config/tilepro/gen-mul-tables.cc: New file.
3551         * config/tilepro/linux.h: New file.
3552         * config/tilepro/mul-tables.c: New file.
3553         * config/tilepro/predicates.md: New file.
3554         * config/tilepro/t-tilepro: New file.
3555         * config/tilepro/tilepro-builtins.h: New file.
3556         * config/tilepro/tilepro-c.c: New file.
3557         * config/tilepro/tilepro-generic.md: New file.
3558         * config/tilepro/tilepro-modes.def: New file.
3559         * config/tilepro/tilepro-multiply.h: New file.
3560         * config/tilepro/tilepro-protos.h: New file.
3561         * config/tilepro/tilepro.c: New file.
3562         * config/tilepro/tilepro.h: New file.
3563         * config/tilepro/tilepro.md: New file.
3564         * config/tilepro/tilepro.opt: New file.
3565
3566 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3567
3568         PR tree-optimization/52210
3569         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3570         vect_model_simple_cost with two entry vect_def_type array instead
3571         of an address of dt.
3572
3573 2012-02-14  Richard Guenther  <rguenther@suse.de>
3574
3575         PR lto/52178
3576         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3577         Do not stream DECL_QUALIFIER.
3578         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3579         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3580         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3581
3582 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3583
3584         PR c/52181
3585         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3586         newdecl.
3587
3588 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3589
3590         PR bootstrap/52172
3591         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3592         * cselib.c (cselib_subst_to_values_from_insn): New function.
3593         * sched-deps.c (add_insn_mem_dependence,
3594         sched_analyze_1, sched_analyze_2): Use it.
3595
3596 2012-02-13  Jan Hubicka  <jh@suse.cz>
3597
3598         PR middle-end/52214
3599         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3600
3601 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3602
3603         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3604         (GTM_SELF_SPECS): Define if not already defined.
3605         (driver_self_specs): Add GTM_SELF_SPECS.
3606         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3607         (GTM_SELF_SPECS): Define.
3608         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3609         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3610
3611 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3612
3613         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3614         away if seen.
3615
3616         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3617
3618         PR middle-end/52230
3619         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3620         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3621
3622 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3623
3624         PR c/52190
3625         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3626
3627 2012-02-13  Richard Guenther  <rguenther@suse.de>
3628
3629         PR translation/52211
3630         * passes.c (enable_disable_pass): Fix typo.
3631
3632 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3633
3634         PR middle-end/52209
3635         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3636         XOR for reduce_bit_field if type is unsigned.
3637
3638 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3639
3640         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3641         disallow changes from SFmode to mode with different size in FP regs.
3642
3643 2012-02-12  Robert Millan  <rmh@gnu.org>
3644             Gerald Pfeifer <gerald@pfeifer.com>
3645
3646         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3647         Tweak comment.
3648
3649 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3650
3651         PR rtl-optimization/52175
3652         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3653         to frame-related instructions.
3654
3655 2012-02-10  Jason Merrill  <jason@redhat.com>
3656
3657         PR c++/51910
3658         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3659         (demangle_new_symbols): Fill it.
3660         (scan_linker_output): Walk it.
3661         (start_tweaking): Split out from scan_linker_output.
3662         (maybe_tweak): Update sym->chosen.
3663         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3664
3665 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3666
3667         PR debug/52132
3668         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3669
3670 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3671
3672         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3673         having the same mode as previous compare.
3674
3675 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3676
3677         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3678         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3679         (nonlocal_goto_internal): Likewise.
3680         (nonlocal_goto): Emit a use and an indirect jump directly.
3681
3682 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3683
3684         PR c/52190
3685         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3686         __atomic_{is,always}_lock_free.
3687
3688 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3689
3690         PR target/52146
3691         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3692         negative constant address for x32.
3693
3694 2012-02-10  Richard Henderson  <rth@redhat.com>
3695
3696         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3697         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3698         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3699
3700 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3701             Ira Rosen  <irar@il.ibm.com>
3702
3703         PR tree-optimization/50031
3704         * targhooks.c (default_builtin_vectorization_cost): Handle
3705         vec_promote_demote.
3706         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3707         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3708         all types of reduction and pattern statements.
3709         (vect_estimate_min_profitable_iters): Likewise.
3710         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3711         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3712         for explicit realigns.
3713         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3714         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3715         vec_promote_demote.
3716         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3717         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3718         vec_perm for VSX and handle vec_promote_demote.
3719
3720 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3721
3722         PR middle-end/52177
3723         * builtins.c (fold_builtin_atomic_always_lock_free,
3724         expand_builtin_atomic_always_lock_free,
3725         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3726         Return and/or test boolean_true_node/boolean_false_node instead of
3727         integer_one_node/integer_zero_node.
3728
3729 2012-02-10  Jan Hubicka  <jh@suse.cz>
3730
3731         PR middle-end/48600
3732         * predict.c (predict_paths_for_bb): Prevent looping.
3733         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3734
3735 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3736
3737         * config/arm/arm.c (output_move_double): In one case properly
3738         count number of instructions that will be emitted.
3739
3740 2012-02-10  Richard Guenther  <rguenther@suse.de>
3741
3742         PR translation/52193
3743         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3744
3745 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3746
3747         PR middle-end/52140
3748         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3749
3750 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3751
3752         PR debug/52165
3753         * var-tracking.c (emit_note_insn_var_location): If
3754         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3755         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3756         non-NOTE_DURING_CALL_P insn.
3757
3758 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3759
3760         PR middle-end/51867
3761         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3762
3763 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3764
3765         PR driver/48524
3766         * gcc.c (switch_matches) Support switches with separated form,
3767         -D and -U.
3768
3769 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3770
3771         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3772         (SP_ADDR): Ditto.
3773         (RAMPZ_ADDR): Ditto.
3774         * config/avr/avr.c (avr_addr_t): New typedef.
3775         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3776         (avr_init_expanders): Initialize it.
3777         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3778         SREG_ADDR.
3779         (expand_epilogue): Ditto.
3780         (avr_print_operand): Ditto.
3781         (avr_file_start): Ditto.
3782         (avr_emit_movmemhi): Ditto.
3783
3784 2012-02-08  Richard Guenther  <rguenther@suse.de>
3785
3786         PR tree-optimization/46886
3787         * tree-flow.h (do_while_loop_p): Declare.
3788         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3789         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3790
3791 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3792
3793         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3794         always succeed for integers larger than a native word.
3795
3796 2012-02-08  Richard Guenther  <rguenther@suse.de>
3797
3798         PR rtl-optimization/52170
3799         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3800         properly handle integer vector modes.
3801
3802 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3803
3804         PR gcov-profile/52150
3805         * coverage.c: Include target.h.
3806         (build_var): Call targetm.strip_name_encoding on the assembler name.
3807         Change one _ into . or $ if the target allows it.
3808         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3809
3810         PR rtl-optimization/52139
3811         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3812         is a BARRIER after emit_insn_after_noloc, move BB_END
3813         to the last non-BARRIER insn before it.
3814
3815 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3816
3817         PR middle-end/24306
3818         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3819         (mips_gimplify_va_arg_expr): Call it instead of
3820         std_gimplify_va_arg_expr.
3821
3822 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3823
3824         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3825         message for -mno-pointers-to-nested-function.
3826
3827 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3828
3829         PR middle-end/51994
3830         * expr.c (get_inner_reference): If there is an offset, add a negative
3831         bit position to it (if any).
3832
3833 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3834
3835         PR rtl-optimization/52060
3836         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3837         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3838         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3839         and/or i0src_copy2 when needed.
3840
3841 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3842
3843         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3844         or LTOPLUGINSONAME if have_c.
3845
3846         * config/freebsd-spec.h: Add comment about what macros can be defined
3847         in this header.
3848         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3849         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3850         here instead.
3851
3852 2012-02-07  Richard Guenther  <rguenther@suse.de>
3853
3854         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3855         newline in -alias dumps.
3856
3857 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3858             Dave Korn  <dave.korn.cygwin@gmail.com>
3859
3860         PR target/40068
3861         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3862         Take care that typinfo gets dllexport-attribute.
3863
3864 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3865
3866         PR middle-end/52074
3867         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3868         if modifier < EXPAND_SUM call force_operand on the result.
3869
3870 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3871
3872         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3873         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3874         present.
3875         (epiphany_function_type): Replace types for specific interrupts with
3876         EPIPHANY_FUNCTION_INTERRUPT.
3877         (EPIPHANY_INTERRUPT_P): Update.
3878         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3879         New static function.
3880         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3881         <disinterrupt>: Affects type identity.
3882         (epiphany_handle_interrupt_attribute): Handle variable number of
3883         arguments.
3884         (epiphany_compute_function_type): Update for new
3885         epiphany_function_type definition.
3886         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3887         handlers with a longcall forwarder.
3888         (epiphany_start_function): Handle multiple interrupt arguments and/or
3889         forwarder_section attribute.
3890
3891         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3892         libgloss.
3893
3894 2012-02-07  Alan Modra  <amodra@gmail.com>
3895
3896         PR target/52107
3897         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3898         subregs of TFmode.
3899
3900 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3901
3902         PR tree-optimization/50969
3903         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3904         use vec_perm rather than vector_stmt.
3905         (vect_model_load_cost): Likewise.
3906         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3907         vec_perm to be the same as other vector statements.
3908         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3909         cost of vec_perm for TARGET_VSX.
3910
3911 2012-02-06  Richard Guenther  <rguenther@suse.de>
3912
3913         PR tree-optimization/52115
3914         * tree-sra.c (access_has_replacements_p): New function.
3915         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3916
3917 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3918
3919         PR middle-end/52047
3920         * trans-mem.c (expand_call_tm): Add an assertion.
3921         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3922         functions.
3923
3924 2012-02-06  Richard Guenther  <rguenther@suse.de>
3925
3926         PR tree-optimization/50955
3927         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3928         raise cost of expressions that replace an address with an
3929         expression based on a different pointer.
3930
3931 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3932
3933         PR target/52129
3934         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3935         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3936
3937 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3938
3939         PR c++/48680
3940         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3941         -Weffc++ and specify guidelines come from second edition.
3942
3943 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3944
3945         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3946         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3947         (call_direct_split, call_value_split, call_value_internal_direct)
3948         (call_value_direct_split, call_value_multiple_split): Use jal and
3949         jal_macro attributes.
3950
3951 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3952
3953         * reload1.c (reload_regs_reach_end_p): Replace with...
3954         (reload_reg_rtx_reaches_end_p): ...this function.
3955         (new_spill_reg_store): Update commentary.
3956         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3957         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3958         before setting new_spill_reg_store.
3959         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3960         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3961         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3962         for non-spill reload registers.
3963
3964 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3965
3966         PR tree-optimization/52091
3967         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3968         (vect_is_simple_use_1): Likewise.
3969         * tree-vect-loop.c (vectorizable_reduction): Update calls
3970         to vect_is_simple_use_1 and vect_is_simple_use.
3971         (vectorizable_live_operation): Likewise.
3972         * tree-vect-patterns.c (widened_name_p,
3973         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3974         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3975         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3976         vectorizable_shift,vectorizable_operation, vectorizable_store,
3977         vectorizable_load): Likewise.
3978         (vect_is_simple_cond): Add an argument, pass it to
3979         vect_is_simple_use_1.
3980         (vectorizable_condition): Update calls to vect_is_simple_cond,
3981         vect_is_simple_use.
3982         (vect_is_simple_use): Add an argument, the statement in which
3983         OPERAND is used.  Check that if OPERAND's def stmt is a double
3984         reduction phi node, the use is a phi node too.
3985         (vect_is_simple_use_1): Add an argument, pass it to
3986         vect_is_simple_use.
3987         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3988         to vect_is_simple_use.
3989
3990 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3991
3992         PR rtl-optimization/52095
3993         * modulo-sched.c (dump_insn_locator): New function.
3994         (loop_canon_p, sms_schedule): Use it.
3995
3996         PR rtl-optimization/52113
3997         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3998         even for decomposable shift/zext insns.
3999
4000 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
4001             Zdenek Dvorak  <ook@ucw.cz>
4002
4003         PR rtl-optimization/52092
4004         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4005         on get_iv_value result.
4006
4007 2012-02-02  Andrew Pinski  <apinski@cavium.com>
4008
4009         PR middle-end/47982
4010         PR middle-end/43967
4011         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4012
4013 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4014
4015         PR middle-end/48071
4016         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4017
4018 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
4019
4020         PR rtl-optimization/49800
4021         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4022         (sched_finish): Call regstat_free_n_sets_and_refs.
4023
4024 2012-02-02  Jia Liu  <proljc@gmail.com>
4025
4026         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4027         than operand 2.
4028
4029 2012-02-02  Jan Hubicka  <jh@suse.cz>
4030             Tom de Vries  <tom@codesourcery.com>
4031
4032         PR middle-end/51998
4033         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4034         * varpool.c (varpool_analyze_pending_decls): Likewise.
4035
4036 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4037             Jayant R Sonar <jayant.sonar@kpitcummins.com>
4038
4039         * config.gcc: Add cr16-* support.
4040
4041         * doc/extend.texi: Document cr16 extensions.
4042         * doc/install.texi: Document cr16 install.
4043         * doc/invoke.texi: Document cr16 options.
4044         * doc/md.texi: Document cr16 constraints.
4045
4046         * common/config/cr16/cr16-common.c: New file.
4047         * config/cr16/cr16.c: New file.
4048         * config/cr16/cr16.h: New file.
4049         * config/cr16/cr16.md: New file.
4050         * config/cr16/cr16.opt: New file.
4051         * config/cr16/cr16-protos.h: New file.
4052         * config/cr16/predicates.md: New file.
4053         * config/cr16/constraints.md: New file.
4054         * config/cr16/t-cr16: New file.
4055
4056 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4057
4058         PR target/52086
4059         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4060         that operands[2] is either immediate, or q_regs_operand.
4061
4062         PR tree-optimization/52073
4063         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4064         a pattern stmt for pattern uses, ignore uses outside of the loop.
4065
4066 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4067
4068         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4069         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4070         (OUT_AS1, OUT_AS2): Remove.
4071
4072 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4073
4074         PR rtl-optimization/51374
4075         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4076         to cross other volatile_refs_p insns.
4077
4078 2012-02-01  Richard Guenther  <rguenther@suse.de>
4079
4080         * doc/invoke.texi (fno-inline): Clarify documentation.
4081         (finline-small-functions): Likewise.
4082         (finline-functions): Likewise.
4083         * common.opt (finline): Adjust comment and documentation.
4084         (finline-small-functions): Clarify documentation.
4085         (finline-functions): Likewise.
4086         (finline-functions-called-once): Likewise.
4087
4088 2012-02-01  Tristan Gingold  <gingold@adacore.com>
4089
4090         * c-typeck.c (composite_type): Keep mode for pointers.
4091
4092 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
4093
4094         * function.h (regno_reg_rtx): Adjust comment.
4095         * reginfo.c (init_reg_modes_target): Only use the previous mode
4096         if it fits within one register.  Remove MIPS comment.
4097
4098 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4099
4100         PR bootstrap/52058
4101         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4102
4103 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4104
4105         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4106         to srak instruction.
4107
4108 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4109
4110         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4111
4112 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4113
4114         PR bootstrap/52041
4115         PR bootstrap/52039
4116         PR target/51974
4117         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4118
4119 2012-01-31  Richard Guenther  <rguenther@suse.de>
4120
4121         PR tree-optimization/51528
4122         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4123         assigns.
4124
4125 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4126
4127         PR bootstrap/52041
4128         PR bootstrap/52039
4129         PR target/51974
4130         * ree.c (add_removable_extension): Change def_map argument
4131         to unsigned *, store in def_map 1 + offset into *insn_list vector
4132         instead of pointers into the vector.
4133         (find_removable_extensions): Adjust caller.
4134
4135 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4136
4137         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4138         Transform all "* quoted-c-code" to { c-code }.
4139         Remove redundant test for "optimize" in combine patterns.
4140         Move (include "avr-dimode.md") to end of file.
4141
4142 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
4143
4144         PR target/51835
4145         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4146         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4147
4148 2012-01-30  Richard Guenther  <rguenther@suse.de>
4149
4150         PR tree-optimization/52028
4151         * tree-loop-distribution.c (ldist_gen): Properly update
4152         virtual SSA form.
4153
4154 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
4155
4156         PR debug/52027
4157         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4158         set_cur_line_info_table if not emitting debug info.
4159
4160        &nbs