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1 2012-09-13  Jakub Jelinek  <jakub@redhat.com>
2
3         PR c/54559
4         * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
5         COMPLEX_TYPE with in_late_binary_op set temporarily to true.
6
7 2012-09-12  Teresa Johnson  <tejohnson@google.com>
8
9         Backport from mainline.
10         2012-09-12  Teresa Johnson  <tejohnson@google.com>
11
12         PR gcov-profile/54487
13         * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
14         test using F_SETLKW with fcntl.
15         * configure, config.in: Regenerate.
16
17 2012-09-12  Uros Bizjak  <ubizjak@gmail.com>
18
19         Backport from mainline
20         2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
21
22         * config/i386/i386.md : Comments on fma4 instruction selection
23         reflect requirement on register pressure based cost model.
24
25         * config/i386/driver-i386.c (host_detect_local_cpu): fma4
26         flag is set-reset as informed by the cpuid flag.
27
28         * config/i386/i386.c (processor_alias_table): fma4
29         flag is enabled for bdver2.
30
31 2012-09-12  Christian Bruel  <christian.bruel@st.com>
32
33        * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
34
35 2012-09-12  Jakub Jelinek  <jakub@redhat.com>
36
37         * config.gcc: Obsolete picochip-*.
38
39 2012-09-11  Richard Guenther  <rguenther@suse.de>
40
41         PR debug/54534
42         * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
43         on flag_toplevel_reorder.
44
45 2012-09-10  Richard Henderson  <rth@redhat.com>
46
47         * config/alpha/predicates.md (small_symbolic_operand): Disallow
48         large offsets.
49
50 2012-09-10  Georg-Johann Lay  <avr@gjlay.de>
51
52         Backport from 2012-09-10 mainline r191132.
53
54         PR target/54536
55         * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
56
57 2012-09-10  Markus Trippelsdorf  <markus@trippelsdorf.de>
58
59         PR middle-end/54515
60         * tree-sra.c (disqualify_base_of_expr): Check for possible
61         NULL_TREE returned by get_base_address()
62
63 2012-09-07  Richard Guenther  <rguenther@suse.de>
64
65         Backport from mainline
66         2012-06-26  Jan Hubicka  <jh@suse.cz>
67
68         PR lto/53572
69         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
70         used symbols.
71
72 2012-09-07  Richard Guenther  <rguenther@suse.de>
73
74         Backport from mainline
75         2012-07-13  Richard Guenther  <rguenther@suse.de>
76
77         PR tree-optimization/53922
78         * tree-vrp.c (value_inside_range): Change prototype to take
79         min/max instead of value-range.
80         (range_includes_zero_p): Likewise.  Return the result from
81         value_inside_range.
82         (extract_range_from_binary_expr_1): Adjust to handle dont-know
83         return value from range_includes_zero_p.
84         (extract_range_from_unary_expr_1): Likewise.
85         (compare_range_with_value): Likewise.
86         (vrp_meet_1): Likewise.
87
88 2012-09-07  Richard Guenther  <rguenther@suse.de>
89
90         PR middle-end/53667
91         * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
92         EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
93         arguments separately.
94
95 2012-09-07  Jakub Jelinek  <jakub@redhat.com>
96
97         Backported from mainline
98         2012-09-06  Jakub Jelinek  <jakub@redhat.com>
99
100         PR rtl-optimization/54455
101         * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
102         bb ends up with asm goto referencing bb's label.
103
104 2012-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
105
106         Backport from mainline.
107         2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
108                     Richard Earnshaw  <richard.earnshaw@arm.com>
109
110         PR target/54252
111         * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
112         element size. Use elem_type from the formal parameter. New parameter
113         fcode.
114         (neon_expand_args): Adjust call to neon_dereference_pointer.
115
116 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
117
118         * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
119         reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
120
121 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
122
123         Backport from mainline
124         2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
125
126         * config/i386/i386.md (isa): Add fma and fma4.
127         (enabled): Handle fma and fma4.
128         * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
129         (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
130         (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
131         (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
132         (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
133         (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
134
135         2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
136
137         * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
138         *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
139         *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
140
141 2012-09-06  Richard Guenther  <rguenther@suse.de>
142
143         PR tree-optimization/54498
144         * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
145         abort when reaching an already visited region.
146         * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
147         (get_continuation_for_phi_1): Likewise.
148         (walk_non_aliased_vuses): When we translated the reference,
149         abort when we re-visit a region.
150         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
151
152 2012-09-06  Andrew Pinski  <apinski@cavium.com>
153
154         PR tree-opt/54494
155         * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
156
157 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
158
159         PR middle-end/54486
160         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
161         build_int_cst with size_type_node instead of size_int.
162
163 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
164
165         Backport from 2012-09-05 mainline r190697.
166
167         PR target/54461
168         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
169         configured --with-avrlibc.
170         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
171         --with-avrlibc.
172         * config/avr/avrlibc.h: New file.
173         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
174         configured --with-avrlibc.
175         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
176
177 2012-09-05  Bin Cheng  <bin.cheng@arm.com>
178
179         Backport from 2012-09-04 mainline r190919
180
181         PR target/45070
182         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
183         of size less than 4 bytes by using macro ARM_NUM_INTS.
184         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
185
186 2012-09-04  Richard Henderson  <rth@redhat.com>
187
188         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
189
190 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
191
192         Backport from 2012-09-04 mainline r190920
193
194         PR target/54476
195         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
196
197 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
198
199         Backport from 2012-09-04 mainline r190914
200
201         PR target/54220
202         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
203         define to...
204         (avr_allocate_stack_slots_for_args): ...this new static function.
205
206 2012-09-03  H.J. Lu  <hongjiu.lu@intel.com>
207
208         Backported from mainline
209         2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
210
211         PR driver/54335
212         * doc/invoke.texi: Add -da and remove -dm.
213
214 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
215
216         Backported from mainline
217         2012-09-01  Jakub Jelinek  <jakub@redhat.com>
218
219         PR target/54436
220         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
221         operands[1] is CONST_INT_P, convert it to QImode before printing.
222
223         2012-08-31  Jakub Jelinek  <jakub@redhat.com>
224
225         PR c/54428
226         * c-convert.c (convert): Don't call fold_convert_loc if
227         TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
228         is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
229         COMPLEX_TYPE -> COMPLEX_TYPE conversion.
230
231         2012-08-24  Jakub Jelinek  <jakub@redhat.com>
232
233         PR c/54363
234         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
235         if init is a CONSTRUCTOR.
236
237 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
238
239         PR rtl-optimization/54369
240         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
241         calling dbr_schedule.
242         * config/sparc/sparc.c (sparc_reorg): Likewise.
243
244 2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>
245
246         Backport from mainline
247         2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>
248
249         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
250         case for Atom processor.
251
252 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
253
254         Backport from mainline
255         2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
256
257         PR target/46254
258         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
259         true for TARGET_64BIT or !flag_pic.
260         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
261         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
262         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
263         Add insn constraint.  Conditionally emit xchg asm insns.
264         (atomic_compare_and_swap<mode>): Update calls.  Check only
265         cmpxchg8b_pic_memory_operand in memory address fixup.
266         (DCASMODE): Remove.
267         (CASHMODE): Rename from DCASHMODE.
268         (doublemodesuffix): Update modes.
269         (regprefix): New mode attribute.
270
271         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
272         <UNSPECV_CMPXCHG>: New constant.
273         (atomic_compare_and_swap<mode>_1): Rename from
274         atomic_compare_and_swap_single<mode>.  Update calls and
275         unspec_volatile constants.
276         (atomic_compare_and_swap<mode>_doubleword): Rename from
277         atomic_compare_and_swap_double<mode>.  Update calls and
278         unspec_volatile constants.
279
280 2012-08-28  Walter Lee  <walt@tilera.com>
281
282         Backport from mainline
283         2012-08-28  Walter Lee  <walt@tilera.com>
284
285         * confg/tilegx/tilegx.md: Fix code style.
286         (*zero_extendsidi_truncdisi): Fix typo.
287         * config/tilegx/tilegx.c: Fix code style.
288         (tilegx_function_profiler): Fix typo.
289
290 2012-08-27  Walter Lee  <walt@tilera.com>
291
292         Backport from mainline
293         2012-08-27  Walter Lee  <walt@tilera.com>
294
295         * doc/md.texi (TILE-Gx): Fix typo.
296
297 2012-08-27  Walter Lee  <walt@tilera.com>
298
299         Backport from mainline
300         2012-08-27  Walter Lee  <walt@tilera.com>
301
302         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
303         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
304
305 2012-08-27  Walter Lee  <walt@tilera.com>
306
307         Backport from mainline
308         2012-08-27  Walter Lee  <walt@tilera.com>
309
310         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
311         (insn_bfins): Delete.
312
313 2012-08-27  Walter Lee  <walt@tilera.com>
314
315         Backport from mainline
316         2012-08-27  Walter Lee  <walt@tilera.com>
317
318         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
319         atomic_exchange_bare<mode>,
320         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
321         * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
322         * config/tilegx/tilegx.md (type): Add X1_remove.
323         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
324         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
325         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
326         X1_remote.
327
328 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
329
330         PR rtl-optimization/54088
331         * jump.c (delete_related_insns): Robustify latest change.
332
333 2012-08-21  Richard Guenther  <rguenther@suse.de>
334
335         Backport from mainline
336         2012-08-16  Richard Guenther  <rguenther@suse.de>
337
338         PR middle-end/54146
339         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
340         exit vector.
341         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
342         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
343         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
344         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
345         (tree_ssa_lim_finalize): Free all mem_refs.
346         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
347         scc when bailing out.
348         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
349         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
350         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
351         FOR_EACH_LOOP_BREAK.
352
353         2012-08-17  Richard Guenther  <rguenther@suse.de>
354
355         * tree-sra.c (modify_function): Free redirect_callers vector.
356         * ipa-split.c (split_function): Free args_to_pass vector.
357         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
358         vec_oprnds.
359         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
360         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
361         (vect_analyze_slp_instance): Free everything.
362         (destroy_bb_vec_info): Free the SLP instances.
363
364         2012-08-17  Richard Guenther  <rguenther@suse.de>
365
366         * params.def (integer-share-limit): Decrease from 256 to 251,
367         add rationale.
368
369         2012-08-21  Richard Guenther  <rguenther@suse.de>
370
371         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
372         the affine expansion cache.
373
374 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
375
376         Backported from trunk
377         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
378
379         PR middle-end/53992
380         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
381
382 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
383
384         Backport from mainline.
385         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
386
387         PR target/54212
388         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
389         mark as predicable. Adjust asm template.
390         (vec_setv2di_internal): Likewise.
391         (vec_extract<mode> VD, VQ): Likewise.
392         (vec_extractv2di): Likewise.
393         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
394         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
395         (neon_vdup_n<mode> VX, V32): Likewise.
396         (neon_vdup_nv2di): Likewise.
397
398 2012-08-17  Walter Lee  <walt@tilera.com>
399
400         Backport from mainline
401         2012-08-17  Walter Lee  <walt@tilera.com>
402
403         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
404         (FEEDBACK_ENTER): Define.
405         (FEEDBACK_REENTER): Define.
406         (FEEDBACK_ENTRY): Define.
407         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
408         (FEEDBACK_ENTER): Define.
409         (FEEDBACK_REENTER): Define.
410         (FEEDBACK_ENTRY): Define.
411
412 2012-08-16  Walter Lee  <walt@tilera.com>
413
414         Backport from mainline
415         2012-08-16  Walter Lee  <walt@tilera.com>
416
417         * config.gcc (tilegx-*-linux*): Add feedback.h.
418         (tilepro-*-linux*): Likewise.
419         * config/tilegx/feedback.h: New file.
420         * config/tilepro/feedback.h: New file.
421
422 2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>
423
424         Backport from mainline r189840 and r187586:
425         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
426
427         * config/i386/i386.md (stack_protect_set): Disable the pattern
428         for Android since Android libc (bionic) does not provide random
429         value for stack protection guard at gs:0x14. Guard value
430         will be provided from external symbol (default implementation).
431         (stack_protect_set_<mode>): Likewise.
432         (stack_protect_test): Likewise.
433         (stack_protect_test_<mode>): Likewise.
434         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
435         not have Bionic by default
436         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
437         Macro OPTION_BIONIC is defined in this file and provides Bionic
438         accessibility status
439
440         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
441
442         * configure.ac: Stack protector enabling for Android targets.
443         * configure: Regenerate.
444
445 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
446
447         Backported from trunk
448         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
449
450         PR rtl-optimization/53942
451         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
452         directly from likely spilled non-fixed hard registers, move them
453         to pseudo first.
454
455 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
456
457         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
458         (xop_phaddubq): Ditto.
459
460 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
461
462         Backport from mainline
463         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
464                     Richard Earnshaw  <rearnsha@arm.com>
465
466         * target.def (vector_alignment): New target hook.
467         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
468         * doc/tm.texi: Regenerate.
469         * targhooks.c (default_vector_alignment): New function.
470         * targhooks.h (default_vector_alignment): Add prototype.
471         * stor-layout.c (layout_type): Use targetm.vector_alignment.
472         * config/arm/arm.c (arm_vector_alignment): New function.
473         (TARGET_VECTOR_ALIGNMENT): Define.
474
475         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
476         vector type alignment instead of size.
477         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
478         element type size directly instead of computing it from alignment.
479         Fix variable naming and comment.
480
481 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
482
483         Backport from mainline
484         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
485
486         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
487         (alpha_pad_function_end): ... this.  Also insert NOP between
488         sibling call and GP load.
489         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
490
491 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
492
493         Backport from mainline
494         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
495                     H.J. Lu  <hongjiu.lu@intel.com>
496
497         PR rtl-optimization/54157
498         * combine.c (gen_lowpart_for_combine): Don't return identity
499         for CONST or symbolic reference.
500
501 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
502
503         Backport from mainline
504         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
505
506         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
507         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
508         split_cost argument signed.
509         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
510         (ix86_avoid_lea_for_addr): Ditto.
511
512         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
513
514         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
515         the address has less than two components.
516
517 2012-08-02  Steve Ellcey  <sellcey@mips.com>
518
519         Backport from mainline
520         2012-07-19  Steve Ellcey  <sellcey@mips.com>
521
522         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
523         MIPS16 mode.
524
525 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
526
527         Backport from mainline
528         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
529
530         PR target/53961
531         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
532         negative constant address for TARGET_X32 ...
533         (ix86_decompose_address): ... here.  Reject constant addresses
534         that don't satisfy x86_64_immediate_operand predicate.
535
536         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
537
538         PR target/53961
539         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
540         * config/i386/i386.c (ix86_print_operand_address): Ditto.
541         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
542         addresses.  Prevent zero extensions of CONST_INT operands.
543
544         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
545
546         PR target/53961
547         * config/i386/i386.md (*lea): New insn pattern.
548         (*lea_1): Remove.
549         (*lea<mode>_2): Ditto.
550         (*lea_{3,4,5,6}_zext): Ditto.
551         * config/i386/predicates.md (lea_address_operand): Do not reject
552         zero-extended address operands.
553         * config/i386/constraints.md (j): Remove address constraint.
554         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
555         of an address.
556         (ix86_print_operand_address): Handle SImode subreg of an address.
557         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
558
559 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
560
561         Backport from mainline
562         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
563
564         PR target/52530
565         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
566         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
567         to set code to 'q'.
568         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
569         (*movdi_internal_rex64): Use %E operand modifier for lea.
570         (*movsi_internal): Ditto.
571         (*lea_1): Ditto.
572         (*lea<mode>_2): Ditto.
573         (*lea_{3,4,5,6}_zext): Ditto.
574         (*tls_global_dynamic_32_gnu): Ditto.
575         (*tls_global_dynamic_64): Ditto.
576         (*tls_dynamic_gnu2_lea_32): Ditto.
577         (*tls_dynamic_gnu2_lea_64): Ditto.
578         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
579
580 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
581
582         Backport from mainline
583         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
584
585         * config/i386/i386.c (ix86_address_subreg_operand): Reject
586         stack pointer.
587         (ix86_print_operand_address): Assert that parts.base and parts.index
588         are non-NULL after call to simplify_subreg.
589
590 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
591
592         PR target/33135
593         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
594         description.
595         * config/sh/sh.c (sh_option_override): Do not change
596         flag_finite_math_only.  Set TARGET_IEEE to complement of
597         flag_finite_math_only.
598         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
599         description of mieee and mno-ieee behavior.
600
601 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
602
603         PR target/53877
604         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
605         (_lzcnt_u64): Ditto.
606
607 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
608
609         Backport from mainline
610         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
611
612         PR rtl-optimization/52250
613         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
614         to put note list into.  Unconditionally call move_bb_info.
615         (move_bb_info): Do not assert the blocks being in the same region,
616         just drop the note list if they are not.
617
618 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
619
620         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
621
622 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
623
624         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
625         defining statement is a SSA name that occurs in abnormal PHIs.
626
627 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
628
629         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
630         conversions.
631
632 2012-07-19  Richard Guenther  <rguenther@suse.de>
633             Eric Botcazou  <ebotcazou@adacore.com>
634
635         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
636         about transition from invariant to known bits.
637         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
638
639 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
640
641         PR middle-end/54017
642         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
643         (cleanup_tree_cfg_bb): Don't call it.
644         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
645         handling.
646
647 2012-07-19  Christian Bruel  <christian.bruel@st.com>
648
649         PR target/54029
650         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
651
652 2012-07-18  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
653
654         * config.gcc (v850-*-rtems*): New target.
655         * config/v850/rtems.h: New.
656         * config/v850/t-rtems: New.
657
658 2012-07-18  Nick Clifton  <nickc@redhat.com>
659
660         * doc/invoke.texi (ARM Options): Document -munaligned-access.
661
662 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
663
664         PR target/53961
665
666         Backport from mainline
667         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
668
669         PR target/53110
670         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
671         instead expand it as zero extension.
672
673 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
674
675         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
676         QImode and HImode splitters.  Use ix86_comparison_operator.
677         Explicitly match FLAGS_REG.
678         (DFmode cmove splitter): Explicitly match FLAGS_REG.
679
680 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
681             Steven Bosscher  <steven@gcc.gnu.org>
682             Bernd Schmidt  <bernds@codesourcery.com>
683
684         PR rtl-optimization/53908
685         * df-problems.c (can_move_insns_across): When doing
686         memory-reference book-keeping, handle call insns.
687
688 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
689
690         Backport from mainline
691         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
692
693         PR target/53811
694         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
695         sibcall_insn_operand.  Move it to a temporary register if not.
696
697         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
698
699         PR target/53853
700         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
701         emit PIC sequence for fnaddr symbol reference in advance.
702
703 2012-07-09  Jason Merrill  <jason@redhat.com>
704
705         PR c++/53882
706         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
707         (type_hash_eq): Likewise.
708
709         PR c++/53826
710         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
711
712 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
713
714         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
715         due to negative shift amount.
716
717 2012-07-06  Kai Tietz  <ktietz@redhat.com>
718
719         Backport from mainline.
720         PR bootstrap/52947
721         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
722         as "/mingw/include".
723
724 2012-07-06  Nick Clifton  <nickc@redhat.com>
725
726         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
727         default_encode_section_info.
728
729 2012-07-06  Richard Guenther  <rguenther@suse.de>
730
731         Backport from mainline
732         2012-03-30  Richard Guenther  <rguenther@suse.de>
733
734         PR middle-end/52786
735         * double-int.c (rshift_double): Remove not needed cast.
736
737         2012-03-28  Richard Guenther  <rguenther@suse.de>
738
739         PR middle-end/50708
740         * double-int.h (rshift_double): Remove.
741         * double-int.c (lshift_double): Use absu_hwi to make count
742         positive.
743         (rshift_double): Make static, take unsigned count argument,
744         remove handling of negative count argument.
745         (double_int_rshift): Dispatch to lshift_double.
746
747 2012-07-06  Richard Guenther  <rguenther@suse.de>
748
749         Backport from mainline
750         2012-06-18  Richard Guenther  <rguenther@suse.de>
751
752         PR tree-optimization/53693
753         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
754         Reject operands with more than one use.
755
756 2012-07-06  Richard Guenther  <rguenther@suse.de>
757
758         Backport from mainline
759         2012-04-11  Richard Guenther  <rguenther@suse.de>
760
761         PR middle-end/52621
762         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
763         consider loop nesting.
764         (evolution_function_is_univariate_p): Properly check the remainder
765         for chrecs.
766
767 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
768
769         Backport from mainline
770         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
771
772         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
773         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
774         (adjacent_mem_locations): Move some code to and call...
775         (get_memref_parts): ...new function.
776         (mem_locations_overlap): New function.
777         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
778         (is_mem_ref): Rename to...
779         (find_mem_ref): ...this. Return MEM rtx.
780         (get_store_dest): Remove function.
781         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
782         new parameter and adjust calls.
783         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
784         mem refs overlap for true_store_to_load_dep_costly.
785         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
786         passed to adjacent_mem_locations.
787         (is_costly_group): Walk resolved dependency list.
788         (force_new_group): Emit group ending nop for Power6/Power7.
789         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
790         (group_ending_nop): New define_insn.
791
792 2012-07-04  Richard Guenther  <rguenther@suse.de>
793
794         PR middle-end/53433
795         * gimple-fold.c (get_base_constructor): Do not return an
796         error_mark_node DECL_INITIAL.
797
798 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
799
800         Backport from mainline
801         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
802
803         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
804         code model string in the error message.
805
806 2012-07-04  Tristan Gingold  <gingold@adacore.com>
807
808         Backport from mainline.
809         2012-06-25  Tristan Gingold  <gingold@adacore.com>
810
811         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
812         (seh_cfa_adjust_cfa): ... that function.
813         (seh_emit_stackalloc): Do not emit out of range values.
814         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
815         UNSPEC_DEF_CFA constants.
816         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
817         * config/i386/i386.c (ix86_frame_pointer_required): Required
818         for very large frames on SEH target.
819         (ix86_compute_frame_layout): Save area is before frame pointer
820         on SEH target.  Handle very large frames.
821         (ix86_expand_prologue): Likewise.
822
823 2012-07-04  Richard Guenther  <rguenther@suse.de>
824
825         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
826         as in free_lang_data_in_type.
827
828 2012-07-02  Martin Jambor  <mjambor@suse.cz>
829
830         Backport from mainline.
831         2012-07-02  Martin Jambor  <mjambor@suse.cz>
832
833         PR middle-end/38474
834         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
835         dynamic type change check.
836
837 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
838
839         * tree-eh.c (lower_try_finally_switch): Really put the location of the
840         last statement of the finally block onto the switch.
841
842 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
843
844         * configure: Regenerate.
845
846         Backport from mainline.
847         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
848
849         * config.gcc (target_type_format_char): New. Document it. Set it for
850         arm*-*-* .
851         * configure.ac (gnu_unique_option): Use target_type_format_char
852         in test.  Comment rationale.
853
854 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
855
856         Backport from mainline.
857         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
858
859         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
860
861 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
862
863         Backport from 2012-06-28 mainline r189049
864
865         PR 53595
866         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
867         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
868         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
869         avr_hard_regno_call_part_clobbered.
870
871 2012-06-28  Richard Guenther  <rguenther@suse.de>
872
873         PR middle-end/53790
874         * expr.c (expand_expr_real_1): Verify if the type is complete
875         before inspecting its size.
876
877 2012-06-27  Nick Clifton  <nickc@redhat.com>
878
879         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
880         input operand.
881
882 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
883
884         PR debug/53682
885         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
886
887 2012-06-26  Nick Clifton  <nickc@redhat.com>
888
889         * config/rx/rx.md (simple_return): Use the simple_return rtx.
890
891 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
892
893         PR target/53759
894         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
895         of x x x in the vmovlps load alternative.
896
897 2012-06-22  Richard Guenther  <rguenther@suse.de>
898
899         * gcov-iov.c: Include bconfig.h and system.h.
900
901 2012-06-22  Richard Guenther  <rguenther@suse.de>
902
903         PR gcov-profile/53744
904         * gcov-iov.c (main): Treat "" and "prerelease" the same.
905
906 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
907
908         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
909         DECL_IGNORED_P non-reg vars even if they are used.
910
911 2012-06-19  Jason Merrill  <jason@redhat.com>
912
913         PR c++/52637
914         * dwarf2out.c (modified_type_die): Use scope_die_for.
915         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
916         (uses_local_type_r, uses_local_type): New.
917         (scope_die_for): Keep a type that uses a local type in local scope.
918         Use get_context_die for namespace and type scope.
919
920 2012-06-19  Richard Guenther  <rguenther@suse.de>
921
922         PR middle-end/53470
923         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
924         replace it with the first non-BLOCK context.
925
926 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
927
928         PR rtl-optimization/53700
929
930         Backport from mainline
931         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
932
933         * ira-color.c (setup_left_conflict_sizes_p): Process all
934         conflicting objects.
935
936 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
937
938         Backport from mainline
939         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
940
941         PR target/52908
942         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
943         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
944         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
945         instead of xop_mulv2div2di3_low.
946         (xop_p<macs>dql): Fix vec_select selector.
947         (xop_p<macs>dqh): Ditto.
948         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
949         (xop_mulv2div2di3_high): Ditto.
950
951 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
952
953         Backport from mainline:
954         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
955
956         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
957
958 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
959
960         Backport from mainline:
961         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
962
963         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
964         * config/pa/pa.c (pa_attr_length_millicode_call): Use
965         MAX_PCREL17F_OFFSET instead of fixed offset.
966         (pa_attr_length_call): Likewise.
967         (pa_attr_length_indirect_call): Likewise.
968
969 2012-06-15  Walter Lee  <walt@tilera.com>
970
971         Backport from mainline:
972         2012-06-15  Walter Lee  <walt@tilera.com>
973
974         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
975
976         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
977
978         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
979
980 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
981
982         Backport from mainline:
983
984         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
985         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
986         * gimple.h (block_in_transaction): Check for flag_tm.
987
988 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
989
990         PR tree-optimization/52558
991
992         Backport from mainline:
993         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
994         * gimple.h (gimple_set_in_transaction): Remove.
995         (gimple_in_transaction): Look in BB instead.
996         (gimple_statement_base): Remove in_transaction field.
997         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
998         * trans-mem.c (compute_transaction_bits): Place transaction bit
999         information into basic blocks.
1000
1001         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1002
1003         PR tree-optimization/52558
1004         * cfg.c (alloc_aux_for_edge): Fix comment.
1005         (alloc_aux_for_edge): Remove static.
1006         * basic-block.h (alloc_aux_for_edge): Protoize.
1007         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1008         (execute_sm_if_changed_flag): New.
1009         (execute_sm_if_changed_flag_set): New.
1010         (execute_sm): Do not generate data races unless requested.
1011         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1012         (tree_ssa_lim_finalize): Call free_aux_for_edges.
1013         * gimple.h (block_in_transaction): New.
1014         (gimple_in_transaction): Use block_in_transaction.
1015
1016 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
1017
1018         Backported from mainline
1019         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
1020
1021         PR rtl-optimization/53589
1022         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1023         discovery even when e->dest != target.  If any LABEL_REF points
1024         to e->dest label, redirect it to target's label.
1025
1026         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
1027
1028         PR middle-end/53580
1029         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1030         returns false, replace stmt with GIMPLE_NOP.
1031         (check_omp_nesting_restrictions): Instead of issuing warnings,
1032         issue errors and return false if any errors were reported.
1033
1034 2012-06-14  Richard Guenther  <rguenther@suse.de>
1035
1036         * BASE-VER: Set to 4.7.2.
1037         * DEV-PHASE: Set to prerelease.
1038
1039 2012-06-12  Christian Bruel  <christian.bruel@st.com>
1040
1041         PR target/53621
1042         * config/sh/sh.c (sh_option_override): Don't force
1043          flag_omit_frame_pointer and maccumulate_outgoing_args.
1044         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1045
1046 2012-06-14  Release Manager
1047
1048         * GCC 4.7.1 released.
1049
1050 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
1051
1052         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1053
1054 2012-06-13  Richard Henderson  <rth@redhat.com>
1055
1056         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1057         iterator instead of INT.
1058
1059 2012-06-08  Richard Henderson  <rth@redhat.com>
1060
1061         PR c++/53602
1062         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1063         note to a clobber insn when no other insn is available.
1064
1065 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
1066
1067         PR c++/53524
1068         * doc/invoke.texi (Wenum-compare): Update documentation.
1069
1070 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
1071
1072         PR target/53559
1073         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1074         operands.
1075         (altivec_stvlxl): Ditto.
1076         (altivec_stvrx): Ditto.
1077         (altivec_stvrxl): Ditto.
1078
1079 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
1080
1081         PR middle-end/47530
1082         * trans-mem.c (expand_block_edges): Do not skip the first
1083         statement when resetting the BB.
1084
1085 2012-06-04  Richard Guenther  <rguenther@suse.de>
1086
1087         PR middle-end/53471
1088         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1089         create new assembler names.
1090
1091 2012-06-04  Richard Guenther  <rguenther@suse.de>
1092
1093         Backport from mainline
1094         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1095
1096         PR middle-end/52979
1097         * stor-layout.c (get_best_mode): Don't return mode with bitsize
1098         larger than maxbits.  Don't compute maxbits modulo align.
1099         Also check that unit bytes long store at bitpos / unit * unit
1100         doesn't affect bits beyond bitregion_end.
1101         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1102         would not fit into bitregion_start ... bitregion_end + 1 bit
1103         region.
1104         (store_split_bit_field): Decrease unit close to end of bitregion_end
1105         if access is restricted in order to avoid mutual recursion.
1106
1107 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
1108
1109         Backport from 2012-06-04 mainline r188172
1110
1111         PR target/46261
1112         * config/avr/avr-stdint.h: New file.
1113         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1114         newlib-stdint.h
1115
1116 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
1117
1118         PR tree-optimization/53550
1119         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1120         is POINTER_TYPE_P, use sizetype as step type instead of type.
1121
1122 2012-06-04  Richard Guenther  <rguenther@suse.de>
1123             Eric Botcazou  <ebotcazou@adacore.com>
1124
1125         Backport from mainline
1126         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
1127
1128         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1129         Change type of BITOFFSET to signed.  Make sure the lower bound of
1130         the computed range is non-negative by adjusting OFFSET and BITPOS.
1131         (expand_assignment): Adjust call to get_bit_range.
1132
1133         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1134
1135         * expr.c (get_bit_range): Return the null range if the enclosing record
1136         is part of a larger bit field.
1137
1138         2012-03-20  Richard Guenther  <rguenther@suse.de>
1139
1140         * stor-layout.c (finish_bitfield_representative): Fallback
1141         to conservative maximum size if the padding up to the next
1142         field cannot be computed as a constant.
1143         (finish_bitfield_layout): If we cannot compute the distance
1144         between the start of the bitfield representative and the
1145         bitfield member start a new representative.
1146         * expr.c (get_bit_range): The distance between the start of
1147         the bitfield representative and the bitfield member is zero
1148         if the field offsets are not constants.
1149
1150         2012-03-16  Richard Guenther  <rguenther@suse.de>
1151
1152         * stor-layout.c (finish_bitfield_representative): Fall back
1153         to the conservative maximum size if we cannot compute the
1154         size of the tail padding.
1155
1156         2012-03-14  Richard Guenther  <rguenther@suse.de>
1157
1158         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1159         * stor-layout.c (start_bitfield_representative): New function.
1160         (finish_bitfield_representative): Likewise.
1161         (finish_bitfield_layout): Likewise.
1162         (finish_record_layout): Call finish_bitfield_layout.
1163         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1164         for QUAL_UNION_TYPE fields.
1165         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1166         Stream DECL_BIT_FIELD_REPRESENTATIVE.
1167         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1168
1169         PR middle-end/52080
1170         PR middle-end/52097
1171         PR middle-end/48124
1172         * expr.c (get_bit_range): Unconditionally extract bitrange
1173         from DECL_BIT_FIELD_REPRESENTATIVE.
1174         (expand_assignment): Adjust call to get_bit_range.
1175
1176 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1177
1178         PR middle-end/53501
1179         * fold-const.c (fold_binary_loc): Refine previous change.
1180
1181 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1182
1183         Backport from mainline
1184         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
1185
1186         PR target/52667
1187         * config/sh/sh.c (find_barrier): Add equality check of last_got to
1188         avoid going above orig insn.  Update comments.
1189
1190 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1191
1192         Backport from mainline
1193         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1194
1195         PR target/52642
1196         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1197         prologue for unwinder and profiler.
1198
1199 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1200
1201         Backport from mainline
1202         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1203
1204         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1205
1206 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1207
1208         Backport from mainline
1209         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1210
1211         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1212         DBX_REGISTER_NUMBER.
1213
1214 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1215
1216         Backport from mainline
1217         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1218
1219         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1220         operand is CONST_INT.  Take COSTS_N_INSNS into account.
1221         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1222         shiftcosts.     
1223
1224 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1225
1226         * config/avr/avr.opt (-msp8): Document it.
1227         * doc/invoke.texi (AVR Options): Copy from trunk docu.
1228
1229 2012-05-31  Richard Guenther  <rguenther@suse.de>
1230
1231         PR middle-end/48493
1232         * expr.c (expand_assignment): Do not use movmisalign on
1233         non-memory.
1234
1235 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1236
1237         PR target/52999
1238         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1239         (pa_section_type_flags): New.
1240         (pa_legitimate_constant_p): Revert previous change.
1241
1242 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
1243
1244         Backport from mainline
1245         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
1246
1247         PR middle-end/53008
1248         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1249         accessed indirectly.
1250         (ipa_tm_create_version): Same.
1251
1252 2012-05-30  Jason Merrill  <jason@redhat.com>
1253
1254         PR c++/53220
1255         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1256         about array compound literals.
1257
1258 2012-05-30  Richard Guenther  <rguenther@suse.de>
1259
1260         PR middle-end/53501
1261         * fold-const.c (fold_binary_loc): Make sure to call
1262         fold_plusminus_mult_expr with the original sign of operands.
1263
1264 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1265
1266         * explow.c (probe_stack_range): Restore simple control flow and stop
1267         again when the probe cannot be generated if HAVE_check_stack.
1268
1269 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
1270
1271         PR rtl-optimization/53519
1272         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1273         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1274
1275 2012-05-29  Richard Guenther  <rguenther@suse.de>
1276
1277         PR tree-optimization/53516
1278         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1279         bitfield accesses.
1280         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1281
1282 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1283
1284         Backport from mainline
1285         2012-05-28  Richard Guenther  <rguenther@suse.de>
1286
1287         PR tree-optimization/53438
1288         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1289
1290 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1291
1292         Backport from mainline
1293         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1294
1295         PR rtl-optimization/52528
1296         * combine.c (can_combine_p): Add setting of subst_low_luid
1297         before call to expand_field_assignment().
1298
1299 2012-05-26  Martin Jambor  <mjambor@suse.cz>
1300
1301         Backport from mainline
1302         2012-05-23  Martin Jambor  <mjambor@suse.cz>
1303
1304         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1305
1306 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1307
1308         PR lto/52178
1309         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1310         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1311
1312 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1313
1314         PR target/53435
1315         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1316         (ix86_expand_vec_perm): Use int mode instead of float.
1317
1318 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1319
1320         PR ada/52362
1321         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1322         gnu_ld variables to yes.
1323         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1324         (HAVE_GNU_AS): Likewise.
1325         * config.in: Regenerate.
1326         * configure: Likewise.
1327
1328 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1329
1330         Backport from mainline
1331         2012-03-12  Richard Guenther  <rguenther@suse.de>
1332         * config/arm/arm.c (neon_dereference_pointer): Do not call
1333         covert during RTL expansion.
1334
1335 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1336
1337         Backport from mainline
1338         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1339
1340         PR target/53385
1341         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1342         relied on signed overflow behavior.
1343
1344 2012-05-24  Richard Guenther  <rguenther@suse.de>
1345
1346         PR middle-end/53460
1347         * tree-profile.c (tree_profiling): Cleanup the CFG if
1348         execute_fixup_cfg requests it.
1349
1350 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1351
1352         PR tree-optimization/53465
1353         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1354         vr0 into *vr, then vrp_meet that.
1355         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1356         have any equivalences.
1357         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1358         first time.
1359
1360 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1361
1362         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1363         size handling.
1364         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1365         (iterative_hash_gimple_type): Adjust comment.
1366         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1367         domain for an array type instead of the domain type itself.
1368
1369 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1370
1371         Backport from 2012-05-23 mainline r187803
1372
1373         PR target/53448
1374         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1375         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1376         ASM_OUTPUT_ALIGN.
1377
1378 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1379
1380         Backport from 2012-05-03 mainline r187075
1381
1382         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1383         has_fma4 for AMD processors with both fma3 and fma4 support.
1384
1385 2012-05-22  Richard Guenther  <rguenther@suse.de>
1386
1387         PR tree-optimization/53408
1388         * tree-vect-loop.c (vectorizable_induction): Properly check
1389         the restriction that we cannot handle induction results from
1390         the inner loop outside of the outer loop.
1391
1392 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1393
1394         PR tree-optimization/53436
1395         * omp-low.c (omp_build_component_ref): New function.
1396         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1397
1398         PR tree-optimization/53366
1399         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1400         tests if complex_numbers == 2, but there are non-complex number loads
1401         too.
1402
1403         PR tree-optimization/53409
1404         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1405         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1406
1407         PR tree-optimization/53410
1408         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1409         instead of build_int_cst (type, 0) where vector types might be
1410         involved.
1411
1412 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1413
1414         PR c/53418
1415         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1416         from folded operands before wrapping another around the
1417         conditional expression.
1418
1419 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
1420             Patrick Marlier  <patrick.marlier@gmail.com>
1421
1422         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1423         indirect calls.
1424
1425 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1426
1427         Backport from mainline
1428         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1429
1430         PR target/53416
1431         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1432         (UNSPECV_RDRAND): This.
1433         (rdrand<mode>_1): Updated.
1434
1435 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1436
1437         Backport from mainline
1438         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1439
1440         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1441         RDRND, F16C and FSGSBASE.
1442
1443 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1444
1445         Backport from mainline
1446         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1447
1448         * tree-ssa-pre.c (can_value_number_call): Delete.
1449         (compute_avail): Skip all statements with side effects.
1450         <GIMPLE_CALL>: Skip calls to internal functions.
1451
1452 2012-05-18  David S. Miller  <davem@davemloft.net>
1453
1454         Backport r185385 from mainline
1455         2012-03-14  Richard Guenther  <rguenther@suse.de>
1456
1457         PR middle-end/52584
1458         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1459         element type instead of mode, use build_vector_type_for_mode
1460         instead of the langhook, build a vector of proper signedness.
1461         (expand_vector_operations_1): Adjust.
1462
1463 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1464
1465         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1466         $(libsubdir) as libexecsubdir.
1467
1468 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1469
1470         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1471         GIMPLE_ASSIGN.
1472
1473 2012-05-16  David S. Miller  <davem@davemloft.net>
1474
1475         * jump.c (delete_related_insns): If we remove a CALL, make sure
1476         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1477
1478 2012-05-16  Richard Henderson  <rth@redhat.com>
1479
1480         PR debug/52727
1481         * combine-stack-adj.c (prev_active_insn_bb): New.
1482         (next_active_insn_bb): New.
1483         (force_move_args_size_note): New.
1484         (combine_stack_adjustments_for_block): Use it.
1485
1486 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1487
1488         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1489         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1490         Add comments and improve stamp preservation across the whole sequence.
1491         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1492
1493 2012-05-16  Richard Guenther  <rguenther@suse.de>
1494
1495         PR tree-optimization/53364
1496         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1497         detect a view-conversion of the decl.
1498
1499 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1500
1501         PR target/53358
1502         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1503         that operands[2] is either immediate, or q_regs_operand.
1504
1505 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1506
1507         Backport r187139 from mainline.
1508         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1509
1510         PR rtl-optimization/52804
1511         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1512         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1513         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1514         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1515         RELOAD_FOR_OUTADDR_ADDRESS.
1516
1517 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1518
1519         PR target/46098
1520         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1521         generate target register for "load" class builtins.
1522
1523         Revert:
1524         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1525
1526         PR target/46098
1527         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1528         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1529         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1530         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1531         (<sse>_movu<ssemodesuffix>): New expander.
1532         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1533         (avx_movdqu<avxmodesuffix>): New expander.
1534         (*sse2_movdqu): Rename from sse2_movdqu.
1535         (sse2_movdqu): New expander.
1536
1537 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1538
1539         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1540         lineno 1 the same as lineno 0 before first start file directive.
1541         (optimize_macinfo_range): Likewise.
1542
1543         * dwarf2out.c (have_macinfo): Define.
1544         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1545         attribute, don't force empty compilation unit and don't emit any
1546         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1547
1548 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1549
1550         Backport from mainline
1551         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1552
1553         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1554         ORDERED and UNORDERED conditions.
1555
1556 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1557
1558         * function.c (requires_stack_frame_p): If the function can throw
1559         non-call exceptions, return true if the insn can throw internally.
1560
1561 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1562
1563         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1564         DECL_ORIGINAL_TYPE if it is present.
1565
1566 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1567
1568         Backport from 2012-05-12 mainline r187342.
1569
1570         PR target/53256
1571         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1572         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1573         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1574         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1575         (expand_prologue): Move initialization of cfun->machine->is_naked,
1576         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1577         (avr_set_current_function): ...this new static function.
1578         (TARGET_SET_CURRENT_FUNCTION): New define.
1579         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1580         checking attributes of current_function_decl.
1581         (avr_regs_to_save): Ditto.
1582         (signal_function_p): Rename to avr_signal_function_p.
1583         (interrupt_function_p): Rename to avr_interrupt_function_p.
1584
1585         * doc/extend.texi (Function Attributes): Better explanation of
1586         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1587         alphabetical order.
1588
1589 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1590
1591         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1592
1593 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1594
1595         PR target/53272
1596         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1597         when a constant source operand matches an "I" constraint, the "no
1598         CC0 change" applies to a register-destination only, not a
1599         strict_low_part-destination.
1600
1601 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1602
1603         Backport from mainline:
1604         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1605
1606         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1607
1608 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1609
1610         PR tree-optimization/53239
1611         * tree-vrp.c (get_value_range): Set VR of
1612         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1613         to nonnull.
1614
1615 2012-05-07  Richard Guenther  <rguenther@suse.de>
1616
1617         PR tree-optimization/53195
1618         * tree-inline.c (setup_one_parameter): Properly add referenced
1619         vars from the parameters new known value.
1620
1621 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1622
1623         Backport from mainline:
1624         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1625
1626         PR target/52999
1627         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1628         in constant pool.
1629
1630 2012-05-04  Ian Lance Taylor  <iant@google.com>
1631
1632         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1633         values from false to NULL.
1634
1635 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1636
1637         Backport from mainline
1638         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1639
1640         PR target/53228
1641         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1642         (TARGET_CMOV): Rename from TARGET_CMOVE.
1643         (TARGET_CMOVE): New define.
1644         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1645         Do not set TARGET_CMOVE here.
1646
1647 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1648
1649         Backport from mainline:
1650
1651         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1652
1653         PR tree-optimization/52633
1654         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1655         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1656         (vect_recog_over_widening_pattern): Remove handling of code that was
1657         already detected as over-widening pattern.  Remove special handling
1658         of "unsigned" cases.  Instead, support general case of conversion
1659         of the shift result to another type.
1660
1661         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1662
1663         * tree-vect-patterns.c (vect_single_imm_use): New function.
1664         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1665         (vect_recog_over_widening_pattern): Likewise.
1666         (vect_recog_widen_shift_pattern): Likewise.
1667
1668         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1669
1670         PR tree-optimization/52870
1671         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1672         presumed pattern statement is within the same loop or basic block.
1673
1674 2012-05-04  Richard Guenther  <rguenther@suse.de>
1675
1676         * common.opt (flto-report): Do not mark as Optimization.
1677
1678 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1679
1680         PR target/48496
1681         * recog.c (constrain_operands): If extra constraints are present, also
1682         accept pseudo-registers with equivalent memory locations during reload.
1683
1684 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1685
1686         Backport from the mainline
1687         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1688
1689         PR target/53199
1690         * config/rs6000/rs6000.md (bswapdi splitters): If
1691         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1692         default) is used, generate an alternate sequence that does not
1693         depend on using indexed addressing.
1694
1695 2012-05-03  David S. Miller  <davem@davemloft.net>
1696
1697         PR target/52684
1698         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1699         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1700         (sparc_emit_float_lib_cmp): Likewise.
1701
1702 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1703
1704         Backport from mainline
1705         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1706
1707         PR lto/52605
1708         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1709         of a variable when the contect is a function.
1710
1711 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1712
1713         PR plugins/53126
1714         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1715         append program name to it and pass that as first argument
1716         to make_relative_prefix.  Always pass standard_libexec_prefix
1717         as last argument to make_relative_prefix.  If
1718         make_relative_prefix returns NULL, fall back to
1719         standard_libexec_prefix.
1720
1721         PR debug/53174
1722         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1723         removed.
1724
1725         PR target/53187
1726         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1727         mode, return that mode.
1728
1729 2012-05-03  Richard Guenther  <rguenther@suse.de>
1730
1731         PR tree-optimization/53144
1732         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1733         Rename to ...
1734         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1735         with SSA name values.
1736         (vn_reference_lookup_3): Adjust callers.
1737
1738 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR tree-optimization/53163
1741         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1742         return value from compute_all_dependences.
1743
1744         PR rtl-optimization/53160
1745         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1746         has been modified by ree pass already.
1747
1748 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1749
1750         Backport from mainline
1751         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1752
1753         PR middle-end/53136
1754         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1755         calls to cgraph_node_name in xstrdup.
1756         (ipa_make_edge_direct_to_target): Ditto.
1757         * tree-sra.c (convert_callers_for_node): Ditto.
1758         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1759         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1760         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1761         (cgraph_materialize_all_clones): Ditto.
1762         * ipa-inline.c (report_inline_failed_reason): Ditto.
1763         (want_early_inline_function_p): Ditto.
1764         (edge_badness): Ditto.
1765         (update_edge_key): Ditto.
1766         (flatten_function): Ditto.
1767         (ipa_inline): Ditto.
1768         (inline_always_inline_functions): Ditto.
1769         (early_inline_small_functions): Ditto.
1770
1771 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1772
1773         Backport from mainline
1774         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1775
1776         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1777         Introduce emul_name to select the right linker emulation for
1778         powerpc64-*-freebsd*.
1779         * configure: Regenerate.
1780         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1781         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1782         * config/rs6000/freebsd64.h: New file.
1783         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1784         POWERPC_FREEBSD.
1785         (rs6000_savres_strategy): Likewise.
1786         (rs6000_savres_routine_name): Likewise.
1787         (rs6000_elf_file_end): Likewise.
1788         * config/rs6000/t-freebsd64: New file.
1789         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1790         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1791
1792 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1793
1794         Backport from mainline
1795         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1796
1797         PR target/53138
1798         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1799
1800 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1801
1802         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1803         predicate to discriminate types.
1804
1805 2012-04-27  Richard Guenther  <rguenther@suse.de>
1806
1807         PR c/51527
1808         * convert.c (convert_to_integer): Avoid infinite recursion for
1809         target-defined built-in types.
1810
1811 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1812
1813         PR target/53120
1814         * config/cris/cris.md ("*andhi_lowpart_v32")
1815         ("*andqi_lowpart_v32"): Change first input-only operand from
1816         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1817         const_int-matching constraints for redundancy.
1818         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1819         three-operand alternative.
1820
1821 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1822
1823         Backport from mainline
1824         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1825
1826         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1827         (*addsi_2_zext): Ditto.
1828         (*add<mode>_3): Ditto.
1829         (*addsi_3_zext): Ditto.
1830         (*add<mode>_5): Ditto.
1831
1832 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1833
1834         PR c/52880
1835         * c-typeck.c (set_nonincremental_init,
1836         set_nonincremental_init_from_string): Pass true instead of false
1837         as IMPLICIT to add_pending_init.
1838
1839 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1840
1841         Backport from 2012-04-24 mainline r186768.
1842
1843         PR target/53065
1844         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1845
1846 2012-04-24  Richard Guenther  <rguenther@suse.de>
1847
1848         PR tree-optimization/53085
1849         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1850         stores.
1851
1852 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1853
1854         PR middle-end/53084
1855         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1856         of MEM_REF.
1857         (output_addressed_constants): Likewise.
1858
1859         PR middle-end/52999
1860         * varasm.c (get_section): Don't ICE for section conflicts with
1861         built-in section kinds.
1862
1863 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1864
1865         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1866
1867 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1868
1869         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1870
1871 2012-04-23  Richard Guenther  <rguenther@suse.de>
1872
1873         PR c/53060
1874         * c-typeck.c (build_binary_op): Fix typo.
1875
1876 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1877
1878         PR tree-optimizations/52891
1879         * tree-vect-patterns.c (adjust_bool_pattern): Use
1880         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1881         but with non-standard precision.
1882
1883 2012-04-22  Ian Lance Taylor  <iant@google.com>
1884
1885         * godump.c (go_output_typedef): Dump size of structs.
1886
1887 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1888
1889         Backport from mainline:
1890
1891         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1892         hints for 'A' operand types.
1893
1894 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1895
1896         Backport from 2012-04-19 mainline r186588.
1897
1898         PR target/53033
1899         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1900         the case *(X+const).
1901
1902 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1903
1904         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1905
1906 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1907
1908         PR target/53020
1909         * config/i386/sync.md (atomic_<code><mode>): Rename to
1910         atomic_<logic><mode>.
1911
1912 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1913
1914         Backport from mainline
1915         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1916
1917         PR target/52932
1918         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1919         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1920         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1921         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1922         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1923         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1924         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1925         gen_avx2_permvarv8sf.
1926
1927 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1928
1929         Backported from mainline
1930
1931         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1932         PR middle-end/52939
1933
1934         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1935         fold_ctor_reference returns a zero constant.
1936
1937 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1938
1939         Backported from mainline
1940         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1941
1942         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1943         and __ILP32__ for x32.
1944
1945 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1946
1947         Backport from mainline r186418.
1948
1949         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1950
1951         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1952         parameters vuse and vuse_escaped.
1953         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1954         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1955         vuse1 != vuse2.
1956
1957 2012-04-13  Richard Guenther  <rguenther@suse.de>
1958
1959         PR tree-optimization/52969
1960         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1961         the condition for the COND_EXPR and handle predicate negation
1962         by swapping the COND_EXPR arms.
1963
1964 2012-04-13  Richard Guenther  <rguenther@suse.de>
1965
1966         PR c/52862
1967         * convert.c (convert_to_pointer): Remove special-casing of
1968         zero.
1969
1970 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1971
1972         Backport from mainline
1973         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1974
1975         PR target/52775
1976         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1977         the list of options to enable the FCFID instruction.
1978         (TARGET_EXTRA_BUILTINS): Adjust comment.
1979
1980 2012-04-12  Richard Guenther  <rguenther@suse.de>
1981
1982         PR tree-optimization/52943
1983         * tree-chrec.h (chrec_is_positive): Remove.
1984         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1985         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1986         Return false for a constant zero instead of negative.
1987         (analyze_siv_subscript_cst_affine): Handle zero difference
1988         in the initial condition explicitely.
1989
1990 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1991
1992         PR middle-end/52894
1993         * varasm.c (process_pending_assemble_externals): Set
1994         pending_assemble_externals_processed true.
1995         (assemble_external): Call assemble_external_real if the pending
1996         assemble externals have been processed.
1997
1998 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1999
2000         PR target/52717
2001         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2002         the DECL generated for the special GOT helper.
2003
2004 2012-04-06  Walter Lee  <walt@tilera.com>
2005
2006         Backport from mainline
2007         2012-03-07  Walter Lee  <walt@tilera.com>
2008
2009         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2010         REG_CFA_* notes for the stack pointer.
2011         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2012         EH_RETURN_STACKADJ_RTX.
2013         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2014         generate REG_CFA_* notes for the stack pointer.
2015         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2016         by EH_RETURN_STACKADJ_RTX.
2017
2018 2012-04-06  Matt Turner  <mattst88@gmail.com>
2019
2020         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2021
2022 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
2023
2024         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2025         of the destination isn't also a FP_REGS register.
2026
2027 2012-04-03  Richard Guenther  <rguenther@suse.de>
2028
2029         Backport from mainline
2030         2012-03-02  Richard Guenther  <rguenther@suse.de>
2031
2032         PR tree-optimization/52406
2033         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2034         (struct indices): Add unconstrained_base member.
2035         (struct dr_alias): Remove unused vops member.
2036         (DR_UNCONSTRAINED_BASE): New define.
2037         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2038         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
2039         be an artificial access that covers the whole indexed object,
2040         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
2041         plain decl base-objects to their MEM_REF variant.
2042         (dr_may_alias_p): When the base-object of either data reference
2043         has unknown size use only points-to information.
2044         (compute_affine_dependence): Make dumps easier to read and
2045         more verbose.
2046         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2047         DR_REF when looking for packed references.
2048         (vect_supportable_dr_alignment): Likewise.
2049
2050 2012-04-03  Richard Guenther  <rguenther@suse.de>
2051
2052         Backport from mainline
2053         2012-03-15  Richard Guenther  <rguenther@suse.de>
2054
2055         PR middle-end/52580
2056         * tree-data-ref.c (subscript_dependence_tester_1): Check
2057         all dimensions for non-conflicting access functions.
2058
2059 2012-04-03  Richard Guenther  <rguenther@suse.de>
2060
2061         Backport from mainline
2062         2012-03-06  Richard Guenther  <rguenther@suse.de>
2063
2064         PR middle-end/52493
2065         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2066
2067         2012-03-23  Richard Guenther  <rguenther@suse.de>
2068
2069         PR tree-optimization/52678
2070         * tree-vectorizer.h (struct _stmt_vec_info): Add
2071         loop_phi_evolution_part member.
2072         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2073         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2074         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2075         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2076         Use the cached evolution part and the PHI nodes value from
2077         the loop preheader edge instead of re-analyzing the evolution.
2078
2079         2012-03-26  Richard Guenther  <rguenther@suse.de>
2080
2081         PR tree-optimization/52701
2082         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2083         compute and set the evolution part of PHI nodes.
2084
2085         2012-03-30  Richard Guenther  <rguenther@suse.de>
2086
2087         PR tree-optimization/52754
2088         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2089         propagate arbitrary addresses into really plain dereferences.
2090
2091 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
2092
2093         PR tree-optimization/52835
2094         * tree-data-ref.c (build_rdg): Return NULL if
2095         compute_data_dependences_for_loop failed.
2096
2097 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
2098
2099         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2100         (stmt_can_make_abnormal_goto): Use it.
2101         (is_ctrl_altering_stmt): Likewise.
2102
2103 2012-03-31  Martin Jambor  <mjambor@suse.cz>
2104
2105         Backported from mainline
2106         2012-03-30  Martin Jambor  <mjambor@suse.cz>
2107
2108         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2109         is a builtin_stack_save in a dominating BB.
2110
2111 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2112
2113         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2114         crossing 128bit lane boundary.
2115
2116 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2117
2118         Backported from mainline
2119         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
2120
2121         PR target/52698
2122         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2123         New prototype.
2124         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2125         * config/i386/i386.c: Include reload.h.
2126         (ix86_legitimize_reload_address): New function.
2127
2128 2012-03-28  Martin Jambor  <mjambor@suse.cz>
2129
2130         Backported from mainline
2131         2012-03-27  Martin Jambor  <mjambor@suse.cz>
2132
2133         PR middle-end/52693
2134         * tree-sra.c (sra_modify_assign): Do not call
2135         load_assign_lhs_subreplacements when working with an unscalarizable
2136         region.
2137
2138 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2139
2140         PR middle-end/52691
2141         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2142         __builtin_va_start to __builtin_next_arg if the latter is
2143         builtin_decl_explicit_p rather than when it is not.
2144
2145         PR middle-end/52750
2146         * tree-vect-generic.c (vector_element): Perform multiplication
2147         for pos in bitsizetype type instead of idx type.
2148
2149 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2150
2151         Backport from 2012-03-28 mainline r185910.
2152
2153         PR target/52692
2154         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2155         (avr_builtin_decl): New static function.
2156         (struct avr_builtin_description, avr_bdesc): Move up.
2157         Add GTY marker. Add field fndecl. Remove redundant field id.
2158         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2159         (avr_expand_builtin): Code cleanup because .id is removed.
2160
2161 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
2162
2163         PR middle-end/51893
2164         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2165         targets.
2166
2167 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2168
2169         Backport from 2012-03-28 mainline r185907.
2170
2171         PR target/52737
2172         * config.gcc (tm_file): Remove avr/multilib.h.
2173
2174         * doc/invoke.texi (AVR Options): Adjust
2175         documentation of -mtiny-stack.
2176
2177         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2178         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2179         * config/avr/t-avr: Remove generation of multilib.h.
2180         * config/avr/t-multilib: Regenerate.
2181         * config/avr/multilib.h: Remove.
2182         * config/avr/avr.opt (-msp8): New option.
2183         (avr_sp8): New variable.
2184         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2185         * config/avr/avr.h (AVR_HAVE_SPH): New define.
2186         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2187         (avr_device_to_sp8): New prototype.
2188         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2189         (DRIVER_SELF_SPECS): New define.
2190         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2191         __AVR_SP8__, __AVR_HAVE_SPH__.
2192         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2193         AVR_HAVE_8BIT_SP to decide if SP_H is present.
2194         (avr_file_start): Ditto.
2195
2196 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2197
2198         PR target/52736
2199         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2200         instead of 8 in adjust_address.
2201
2202 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
2203
2204         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2205         of a unit before computing the offset in units.
2206
2207 2012-03-27  Richard Guenther  <rguenther@suse.de>
2208
2209         PR middle-end/52720
2210         * fold-const.c (try_move_mult_to_index): Handle &x.array more
2211         explicitely.
2212
2213 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2214
2215         PR target/52610
2216         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2217
2218 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
2219
2220         PR middle-end/52640
2221         * varasm.c: Include pointer-set.h.
2222         (pending_assemble_externals_set): New pointer set.
2223         (process_pending_assemble_externals): Destroy the pointer set.
2224         (assemble_external): See if decl is in pending_assemble_externals_set,
2225         and add it to pending_assemble_externals if necessary.
2226         (init_varasm_once): Allocate pending_assemble_externals_set.
2227
2228 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2229
2230         Backported from mainline
2231         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2232
2233         PR target/50310
2234         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2235         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2236         (vector_ltgt<mode>): Likewise.
2237         (vector_ordered<mode>): Likewise.
2238         (vector_unordered<mode>): Likewise.
2239         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2240
2241 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
2242
2243         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2244         Make static.
2245
2246 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2247
2248         Backported from mainline
2249         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
2250
2251         PR target/48596
2252         PR target/48806
2253         * config/sh/sh.c (sh_register_move_cost): Increase cost between
2254         GENERAL_REGS and FP_REGS for SImode.
2255
2256 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2257
2258         PR middle-end/52547
2259         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2260         on any new_local_var_chain vars declared during recursing on
2261         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2262
2263 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2264
2265         Backport from 2012-03-22 mainline r185692.
2266
2267         PR target/52496
2268         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2269         (unspecv): Add UNSPECV_MEMORY_BARRIER.
2270         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2271         (delay_cycles_1, delay_cycles_2): Ditto.
2272         (delay_cycles_3, delay_cycles_4): Ditto.
2273         (nopv, *nopv): Ditto.
2274         (sleep, *sleep): Ditto.
2275         (wdr, *wdr): Ditto.
2276
2277         Backport from 2012-03-21 mainline r185605.
2278
2279         PR rtl-optimization/52543
2280         PR target/52461
2281         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2282         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2283         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2284         (avr_load_libgcc_p): Restrict to __flash loads.
2285         (avr_out_lpm): Only handle 1-byte loads from __flash.
2286         (avr_load_lpm): New function.
2287         (avr_find_unused_d_reg): Remove.
2288         (avr_out_lpm_no_lpmx): Remove.
2289         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2290         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2291         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2292         (load_<mode>, load_<mode>_clobber): New insns.
2293         (mov<mode>): For multi-byte move from non-generic
2294         16-bit address spaces: Expand to load_<mode> resp.
2295         load_<mode>_clobber.
2296         (load<mode>_libgcc): Remove expander.
2297         (split-lpmx): Remove split.
2298
2299         Backport from 2012-03-13 mainline r185329.
2300
2301         PR target/52488
2302         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2303         offset (size) to a value the insns can deal with.
2304         (expand_epilogue): Ditto.
2305
2306         Backport from 2012-03-12 mainline r185256.
2307
2308         PR target/52499
2309         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2310         type from reg_class_t to enum reg_class.
2311         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2312
2313         Backport from 2012-03-12 mainline r185253.
2314
2315         PR target/52148
2316         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2317         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2318         r184615 from 2012-02-28.
2319
2320         Backport from 2012-03-08 mainline r185105.
2321
2322         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2323         for constants in [-63,63].
2324
2325         Backport from 2012-03-08 mainline r185100.
2326
2327         PR target/52496
2328         * config/avr/avr.c (avr_mem_clobber): New static function.
2329         (avr_expand_delay_cycles): Add memory clobber operand to
2330         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2331         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2332         (enable_interrupt, disable_interrupt): New expander.
2333         (nopv, sleep, wdr): New expanders.
2334         (delay_cycles_1): Add memory clobber.
2335         (delay_cycles_2): Add memory clobber.
2336         (delay_cycles_3): Add memory clobber.
2337         (delay_cycles_4): Add memory clobber.
2338         (cli_sei): New insn from former "enable_interrupt",
2339         "disable_interrupt" with memory clobber.
2340         (*wdt): New insn from former "wdt" with memory clobber.
2341         (*nopv): Similar, but for "nopv".
2342         (*sleep): Similar, but for "sleep".
2343
2344         Backport from 2012-03-07 mainline r185043.
2345
2346         PR target/52484
2347         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2348
2349         Backport from 2012-03-07 mainline r185032.
2350
2351         PR target/52506
2352         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2353         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2354         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2355
2356         Backport from 2012-03-07 mainline r185031.
2357
2358         PR target/52505
2359         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2360         from RAM.
2361         * config/avr/avr.md (xload_8): Adjust insn length.
2362
2363         Backport from 2012-03-07 mainline r185030.
2364
2365         PR target/52461
2366         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2367         if RAMPZ affects reading from RAM.
2368
2369         Backport from 2012-03-05 mainline r184919.
2370
2371         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2372
2373 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2374
2375         Backport from mainline r185259.
2376
2377         PR other/52545
2378         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2379         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2380
2381 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2382
2383         Backported from mainline
2384         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
2385
2386         PR c/52577
2387         * c-parser.c (c_parser_postfix_expression)
2388         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2389
2390         * config/i386/smmintrin.h: Avoid /* within a comment.
2391         * config/i386/nmmintrin.h: Likewise.
2392
2393 2012-03-22  Richard Guenther  <rguenther@suse.de>
2394
2395         * BASE-VER: Set to 4.7.1.
2396         * DEV-PHASE: Set to prerelease.
2397
2398 2012-03-22  Release Manager
2399
2400         * GCC 4.7.0 released.
2401
2402 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2403
2404         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2405
2406 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
2407             Andrew Pinski  <apinski@cavium.com>
2408
2409         PR middle-end/52592
2410         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2411         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2412         calls instead of __builtin_ir{int,ound}*.
2413
2414 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
2415
2416         PR c++/52582
2417         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2418         if c_node is NULL.
2419
2420 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2421
2422         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2423         Refer to GCC 4.7 version of c99status.html.
2424
2425 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2426
2427         Backport from mainline
2428         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2429
2430         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2431         redefine to be NULL if the current bit-size is different from the
2432         configured bit-size.
2433
2434         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2435         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2436         set the default tuning.  Add asserts to make sure the cpu and tune
2437         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2438         test whether the index is set, instead of > 0.
2439         (rs6000_file_start): Do not reset the default cpu if the current
2440         bit-size is different from the configured bit-size.
2441
2442 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2443
2444         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2445         binutils reference.
2446         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2447         Update binutils references.
2448         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2449         Update binutils reference.
2450         Update Sun as/GNU ld caveat.
2451         Document binutils largefile requirement for LTO plugin.
2452         Remove reference to alternate libpthread.
2453
2454 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2455
2456         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2457         reference.
2458         (Specific, mips-sgi-irix6): Likewise.
2459
2460 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2461
2462         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2463         * configure: Regenerate.
2464
2465 2012-03-07  Richard Henderson  <rth@redhat.com>
2466
2467         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2468         * config/m68k/sync.md (atomic_test_and_set): Use it.
2469         (atomic_test_and_set_1): Likewise.
2470
2471 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
2472
2473         PR target/51417
2474         * Makefile.in: Let install-gcc-ar depend on installdirs,
2475         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2476         Don't double canonicalize if cross-compiling.
2477
2478 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2479
2480         * trans-mem.c: New typedef for tm_region_p.
2481         Define vector types for tm_region_p.
2482         (tm_region_init): Replace region_worklist to a vector called
2483         bb_regions.
2484
2485 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2486
2487         PR middle-end/52463
2488         * trans-mem.c (tm_region_init): Use last_basic_block.
2489
2490 2012-03-05  Richard Henderson  <rth@redhat.com>
2491
2492         PR tree-opt/52242
2493         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2494         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2495         BIGGEST_ALIGNMENT is aligned.
2496
2497 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2498
2499         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2500
2501 2012-03-05  Richard Henderson  <rth@redhat.com>
2502
2503         PR target/52481
2504         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2505         instead of calling negqi2 directly.
2506
2507 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2508
2509         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2510         (INTMAX_TYPE): Use it.
2511         (UINTMAX_TYPE): Likewise.
2512         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2513         (irix6_c_common_override_options): Declare.
2514         (C_COMMON_OVERRIDE_OPTIONS): Define.
2515         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2516         * config/mips/irix6-c.c: New file.
2517         * config/mips/t-irix6 (irix6-c.o): New target.
2518         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2519         cxx_target_objs.
2520
2521 2012-03-02  Richard Henderson  <rth@redhat.com>
2522
2523         * optabs.c (expand_atomic_test_and_set): Honor
2524         atomic_test_and_set_trueval even when atomic_test_and_set
2525         optab is not in use.
2526
2527 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2528
2529         Backport from mainline
2530         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2531
2532         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2533
2534 2012-03-02  Richard Guenther  <rguenther@suse.de>
2535
2536         * DEV-PHASE: Set to prerelease.
2537
2538 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2539
2540         * config.gcc (obsolete): Add all ARM targets using the FPA.
2541         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2542         * doc/install.texi: Avoid references to obsolete ARM ports.
2543
2544 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2545
2546         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2547
2548 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2549             Joern Rennecke  <joern.rennecke@embecosm.com>
2550
2551         * doc/extend.texi: Expand and update information on interrupt
2552         attribute for Epiphany.
2553
2554 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2555
2556         * config/sh/sh-protos.h: Update copyright notice dates.
2557         * config/sh/sh.h: Likewise.
2558         * config/sh/sh.md: Likewise.
2559         * config/sh/constraints.md: Likewise.
2560         * config/sh/predicates.md: Likewise.
2561
2562 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2563
2564         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2565         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2566
2567 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2568
2569         * config/sh/constraints.md: Fix comment typo.
2570
2571 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2572
2573         PR target/52408
2574         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2575         unsigned HOST_WIDE_INT.
2576         (zvdep_imm64): Likewise.
2577         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2578         (vdepi_and): Likewise.
2579         Likewise for unamed 64-bit patterns.
2580         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2581
2582 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2583
2584         PR debug/52001
2585         PR rtl-optimization/52417
2586         * cselib.c (cselib_any_perm_equivs): New variable.
2587         (cselib_reset_table): Check that it's not set when not
2588         preserving constants.
2589         (cselib_add_permanent_equiv): Set it.
2590         (cselib_have_permanent_equivalences): New.
2591         (cselib_init, cselib_finish): Reset it.
2592         * cselib.h (cselib_have_permanent_equivalences): Declare.
2593         * alias.c (get_addr): Restore earlier behavior when there
2594         aren't permanent equivalences.
2595
2596 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2597
2598         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2599         * config/v850/v850-modes.def: Fix copyright notice.
2600
2601 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2602
2603         * doc/extend.texi (AVR Built-in Functions): Document
2604         __builtin_avr_flash_segment.
2605
2606         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2607         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2608         (*split.flash_segment): New insn-and-split.
2609         * config/avr/avr.c (avr_init_builtins): Add local variables:
2610         const_memx_void_node, const_memx_ptr_type_node,
2611         char_ftype_const_memx_ptr.
2612
2613 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2614
2615         PR tree-optimization/52445
2616         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2617         add ssa_name_ver, offset and size fields and change store field
2618         to bool.
2619         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2620         (add_or_mark_expr): Likewise.  Only consider previous stores
2621         with the same size and offset.
2622         (nt_init_block): Only look at gimple_assign_single_p stmts,
2623         doesn't look at rhs2.
2624
2625 2012-03-01  Richard Guenther  <rguenther@suse.de>
2626
2627         PR middle-end/52443
2628         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2629         conversions from integral types to pointer types.
2630
2631 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2632
2633         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2634         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2635         unintentionally removed in r184616.
2636
2637 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2638
2639         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2640         3DNow from bdver1.
2641
2642 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2643             Uros Bizjak  <ubizjak@gmail.com>
2644
2645         PR target/52437
2646         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2647         alternatives, add "e" constraint to the new last alternative
2648         and ! to last 3 alternatives.
2649
2650 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2651
2652         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2653         DW_AT_artificial attributes at the end of the processing.
2654         (gen_array_type_die): Likewise.
2655         (gen_enumeration_type_die): Likewise.
2656         (gen_struct_or_union_type_die): Likewise.
2657         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2658         the parent type.
2659
2660 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2661
2662         PR middle-end/52419
2663         * expr.c (expand_assignment): If doing misaligned store that doesn't
2664         cover all mode bits, perform a RMW cycle.
2665
2666         PR tree-optimization/52429
2667         * tree-parloops.c (separate_decls_in_region_debug): Return early
2668         if var is LABEL_DECL.
2669
2670 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2671
2672         PR tree-optimization/52424
2673         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2674         calling dom_thread_across_edge.
2675
2676 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2677
2678         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2679
2680 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2681
2682         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2683         * config/avr/avr.c (avr_output_bld): Remove unused function.
2684         (avr_out_sbxx_branch): Use "%T" to print bit position.
2685
2686 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2687
2688         * config/avr/avr.md: Untabify.
2689
2690 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2691
2692         * config/avr/avr.md (eqne): New code iterator.
2693         (*dec-and-branchsi): Use it in text peephole's condition.
2694         (*dec-and-branchhi): Ditto.
2695         (*dec-and-branchqi): Ditto.
2696
2697 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2698
2699         PR target/49939
2700         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2701         the device does not have the skip-bug.
2702
2703 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2704
2705         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2706         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2707         -mpretend-cmove): New.
2708
2709 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2710
2711         PR bootstrap/52397
2712         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2713         doesn't count DEBUG_INSN refs.
2714         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2715         for DEBUG_INSN refs.
2716
2717 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2718
2719         Partially revert:
2720
2721         2012-02-20  Richard Guenther  <rguenther@suse.de>
2722         PR tree-optimization/52298
2723         * tree-vect-stmts.c (vectorizable_load): Properly use
2724         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2725         outer loops.
2726
2727 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2728
2729         PR middle-end/51752
2730         * gimple.h (gimple_in_transaction): New.
2731         (gimple_set_in_transaction): New.
2732         (struct gimple_statement_base): Add in_transaction field.
2733         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2734         transaction loads.
2735         (tree_ssa_lim_initialize): Compute transaction bits.
2736         * tree.h (compute_transaction_bits): Protoize.
2737         * trans-mem.c (tm_region_init): Use the heap to store BB
2738         auxilliary data.
2739         (compute_transaction_bits): New.
2740
2741 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2742
2743         * gcc.c (display_help): Document --help=common and sort entries
2744         alphabetically.
2745
2746 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2747
2748         * doc/install.texi: Document check-$LANG specific shortcuts
2749
2750 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2751
2752         PR target/51534
2753         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2754         and vcgtu.
2755         * config/arm/arm_neon.h: Regenerate.
2756         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2757         (neon_vcgeu): New insn.
2758         (neon_vcgtu): Likewise.
2759         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2760         (ops): Unsigned comparison intrinsics call a different
2761         builtin.
2762
2763 2012-02-28  Richard Guenther  <rguenther@suse.de>
2764
2765         PR target/52407
2766         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2767         ordering for the VEC_CONCAT for two element vectors for
2768         V2SFmode, V2SImode and V2DImode.
2769
2770 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2771
2772         PR target/49448
2773         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2774         detecting big-endian triplets.
2775
2776 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2777
2778         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2779         mode if there is no type information available.
2780
2781 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2782
2783         PR tree-optimization/53207
2784         * doc/invoke.texi: Document as experimental and relying on graphite.
2785
2786 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2787
2788         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2789         of initializer to changes from r184614.
2790
2791 2012-02-28  Richard Guenther  <rguenther@suse.de>
2792
2793         PR tree-optimization/52395
2794         * tree-sra.c (build_ref_for_offset): Also look at the base
2795         TYPE_ALIGN when figuring out the alignment of the replacement.
2796
2797 2012-02-28  Richard Guenther  <rguenther@suse.de>
2798
2799         PR tree-optimization/52402
2800         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2801         mis-aligned types when creating the accesses at the call site.
2802
2803 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2804
2805         * config/avr/builtins.def: New file.
2806         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2807         * config/avr/avr.c (enum avr_builtin_id): Use it.
2808         (avr_init_builtins): Use it. And use avr_bdesc.
2809         (bdesc_1arg): Remove.
2810         (bdesc_2arg): Remove.
2811         (bdesc_3arg): Remove.
2812         (struct avr_builtin_description): Add field n_args.
2813         (avr_bdesc): New static variable using builtins.def.
2814         (avr_expand_builtin): Use it.
2815         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2816         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2817         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2818
2819 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2820
2821         PR target/52148
2822         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2823         match only one single hard register with respective hard reg rtx.
2824         (movmemx_<mode>): Ditto.
2825         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2826         insn anatomy of movmem[x]_<mode>.
2827         (avr_out_movmem): Same for printing assembler and operand usage.
2828
2829 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2830
2831         PR target/49868
2832         PR target/52261
2833         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2834         address spaces located outside of device flash.
2835
2836         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2837         (mcu_type_s): Add field n_flash.
2838         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2839         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2840         (AVR_MCU): Add N_FLASH argument.
2841         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2842         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2843         macro __FLASH<n> if that address space makes sense for the device.
2844         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2845         outside of target flash.
2846         (avr_asm_named_section): Ditto.
2847         (avr_asm_select_section): Ditto.
2848         (avr_addr_space_convert): Ditto.
2849         (avr_emit_movmemhi): Ditto.
2850         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2851         address space is outside of device flash.
2852         (avr_insert_attributes): Ditto.
2853         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2854         avr_current_arch->n_segments.
2855
2856 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2857
2858         PR target/52352
2859         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2860         TARGET_LP64.
2861         (*movabs<mode>_2): Likewise.
2862
2863 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2864
2865         PR target/52375
2866         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2867         s_register_operand in the test instead of REG_P.  Don't call
2868         gen_reg_rtx if it won't be used.
2869
2870         PR tree-optimization/52376
2871         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2872
2873 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2874
2875         * ifcvt.c (noce_get_condition): Check condition variable is not
2876         small_register_classes_for_mode_p before accepting.
2877
2878 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2879
2880         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2881
2882 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2883
2884         Revert:
2885         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2886         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2887         tuning parameters.
2888         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2889
2890 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2891
2892         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2893
2894 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2895
2896         * config/sh/predicates.md: Remove blank lines.
2897         * config/sh/sh.c: Fix typos in comments.
2898         * config/sh/constraints.md: Likewise.
2899         * config/sh/sh.md: Remove blank lines.
2900         Fix typos in comments.  Use ;; as comment characters.
2901
2902 2012-02-26  Walter Lee  <walt@tilera.com>
2903
2904         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2905         (replace_mov_pcrel_step2): Ditto.
2906
2907 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2908
2909         PR debug/52001
2910         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2911         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2912         and locs that reference values newer than the non-canonical value
2913         at hand.  Return the canonical value as a worst case.
2914         (memrefs_conflict_p): Walk canonical value's locs.
2915
2916         PR debug/52001
2917         * cselib.c (preserve_only_constants): Rename to...
2918         (preserve_constants_and_equivs): ... this.  Split out...
2919         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2920         of other preserved expressions too.
2921         (cselib_reset_table): Adjust.
2922         * var-tracking.c (reverse_op): Use canonical value to build
2923         reverse operation.
2924
2925 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2926
2927         * config/i386/i386.c (ix86_delegitimize_address): Handle
2928         UNSPEC_PCREL plus displacement.
2929
2930 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2931
2932         PR target/52261
2933         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2934         to test for unusedness in st X addressing.
2935
2936 2012-02-24  Richard Guenther  <rguenther@suse.de>
2937
2938         PR middle-end/52361
2939         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2940         (is_gimple_reg_type): Move inline ...
2941         * gimple.h (is_gimple_reg_type): ... here.
2942
2943 2012-02-24  Richard Guenther  <rguenther@suse.de>
2944
2945         PR middle-end/52361
2946         * passes.c (execute_function_todo): When verifying SSA form
2947         verify gimple form first.
2948         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2949
2950 2012-02-24  Richard Guenther  <rguenther@suse.de>
2951
2952         PR middle-end/52355
2953         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2954         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2955
2956 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2957
2958         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2959
2960 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2961
2962         * tree-phinodes.c (make_phi_node): Mark static.
2963         * tree-flow.h (make_phi_node): Remove extern decl.
2964         * doc/gimple.texi (make_phi_node): Remove documentation.
2965
2966 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2967
2968         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2969         * tree-ssa-sccvn.c (print_scc): Ditto.
2970
2971 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2972
2973         * doc/passes.texi (Full redundancy elimination): Fix typo.
2974
2975 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2976
2977         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2978
2979 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2980
2981         PR bootstrap/52287
2982         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2983
2984 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2985
2986         PR c/52290
2987         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2988
2989 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2990
2991         * config/avr/avr.md (code_stdname): Add ior, xor.
2992         (xior): New code iterator.
2993         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2994         (*<code_stdname><mode>qi.byte1-3): Ditto.
2995
2996 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2997
2998         PR tree-optimization/52019
2999         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3000         CLOBBER stmts.
3001
3002 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3003
3004         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3005         HAVE_INITFINI_ARRAY to work around namespace pollution in
3006         certain versions of newlib system headers.
3007         * config.in: Regenerate.
3008         * configure: Regenerate.
3009         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3010         instead of HAVE_INITFINI_ARRAY.
3011
3012 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
3013
3014         PR target/52330
3015         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3016         is not offsettable memory reference.
3017
3018 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3019
3020         PR target/18145
3021         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3022         setting avr_need_clear_bss_p for __gnu_lto* symbols.
3023
3024 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3025
3026         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3027         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3028
3029 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3030
3031         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3032         library on Solaris 8 even without TLS support.
3033         * configure: Regenerate.
3034
3035 2012-02-22  Richard Guenther  <rguenther@suse.de>
3036
3037         PR middle-end/52329
3038         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3039         for GIMPLE_DEBUG stmts.
3040
3041 2012-02-22  Martin Jambor  <mjambor@suse.cz>
3042
3043         PR middle-end/51782
3044         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3045         according to the base object.
3046
3047 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3048
3049         PR rtl-optimization/50063
3050         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3051         and 2 (8-bit SP) in operand 2.
3052         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3053         setup to use movhi_sp_r instead of vanilla move to write SP.
3054         Adjust REG_CFA notes to superseed unspec.
3055         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3056         of vanilla move.
3057         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3058         known to be off) only with TARGET_NO_INTERRUPTS. Never use
3059         irq_state 1 (IRQ known to be on) here.
3060
3061 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
3062
3063         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3064         WORDS_BIG_ENDIAN.
3065         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3066         assign_hard_reg): Likewise.
3067
3068 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3069
3070         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3071
3072 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3073
3074         * config/avr/avr.md
3075         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3076         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3077
3078 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3079
3080         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3081         prototype from here to...
3082         * config/avr/avr.h: ...here.
3083
3084 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
3085
3086         PR target/52294
3087         * thumb2.md (thumb2_shiftsi3_short): Split register and
3088         immediate shifts.  For register shifts tie operands 0 and 1.
3089         (peephole2 for above): Check that register-controlled shifts
3090         have suitably tied operands.
3091
3092 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
3093
3094         PR target/52137
3095         * config/i386/bdver1.md (bdver1_call, bdver1_push,
3096         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3097         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3098         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3099         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3100         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3101         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3102         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3103         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3104         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3105         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3106         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3107         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3108         bdver1_ssevector_avx256_unaligned_load,
3109         bdver1_ssevector_sse128_unaligned_load,
3110         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3111         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3112         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3113         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3114         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3115         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3116         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3117         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3118         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3119         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3120         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3121         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3122         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3123         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3124         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3125         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3126         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3127         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3128         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3129         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3130         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3131         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3132         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3133         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3134         bdver1_ssediv_double_load, bdver1_ssediv_double,
3135         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3136         Add "bdver2" attribute.
3137
3138 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3139
3140         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3141         default if possible and not specified otherwise.
3142
3143 2012-02-21  Richard Guenther  <rguenther@suse.de>
3144
3145         PR middle-end/52314
3146         * gimplify.c (create_tmp_from_val): Use the main variant type
3147         for the type of the temporary we create.
3148
3149 2012-02-21  Richard Guenther  <rguenther@suse.de>
3150
3151         PR tree-optimization/52324
3152         * gimplify.c (gimplify_expr): When re-gimplifying expressions
3153         do not gimplify a MEM_REF address operand if it is already
3154         in suitable form.
3155
3156 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3157
3158         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3159         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3160
3161 2012-02-21  Richard Guenther  <rguenther@suse.de>
3162
3163         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3164         nested_in_vect_loop.
3165
3166 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
3167
3168         PR tree-optimization/52318
3169         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3170         vdef also to non-pure/const call stmts in the sequence.
3171
3172 2012-02-20  David S. Miller  <davem@davemloft.net>
3173
3174         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3175         don't use the "rd %pc" instruction on v9 for PIC register loads.
3176
3177 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
3178
3179         PR middle-end/52141
3180         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3181         in a transaction safe function.
3182
3183 2012-02-20  Kai Tietz  <ktietz@redhat.com>
3184
3185         PR target/52238
3186         * stor-layout.c (place_field): Handle desired_align for
3187         ms-bitfields, too.
3188
3189 2012-02-20  Richard Guenther  <rguenther@suse.de>
3190
3191         PR tree-optimization/52298
3192         * tree-vect-stmts.c (vectorizable_store): Properly use
3193         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3194         outer loops.
3195         (vectorizable_load): Likewise.
3196         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3197         Access DR_STEP after ensuring it is not NULL.
3198
3199 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
3200
3201         PR tree-optimization/52286
3202         * fold-const.c (fold_binary_loc): For (X & C1) | C2
3203         optimization use double_int_to_tree instead of build_int_cst_wide,
3204         rewrite to use double_int vars.
3205
3206 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3207
3208         PR target/50166
3209         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3210         Define _start.
3211         Remove -e 0 from $gcc_cv_ld invocation.
3212         Only use __GLIBC_PREREQ if defined.
3213         Enable on Solaris since Solaris 8 patch.
3214         (gcc_SUN_LD_VERSION): New macro.
3215         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3216         gcc_SUN_LD_VERSION for version number format.
3217         * configure: Regenerate.
3218         * varasm.c (get_elf_initfini_array_priority_section): Set
3219         SECTION_NOTYPE for non-default priority.
3220         Use get_section instead of get_unnamed_section to emit
3221         .init_array/.fini_array with default priority.
3222
3223 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3224
3225         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3226         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
3227         (mips_start_unique_function, mips_output_mips16_rdhwr)
3228         (mips_code_end): New functions.
3229         (TARGET_ASM_CODE_END): Define.
3230
3231 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3232
3233         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3234         to stubs with non-sibling calls.
3235
3236 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3237
3238         * doc/invoke.texi (-fira-* options): Copy-edit.
3239         (ira-* parameters): Copy-edit.
3240
3241 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3242
3243         * doc/invoke.texi: Minor copy-edits to bring into conformance with
3244         GCC coding conventions.
3245
3246 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3247
3248         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3249         when used as adjectives.
3250
3251 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
3252
3253         * doc/invoke.texi: Clean up "that"/"which" confusion.
3254
3255 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
3256
3257         * system.h: Poison SMALL_REGISTER_CLASSES
3258         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3259         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3260
3261 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3262
3263         PR tree-optimization/52285
3264         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3265         when deciding if a call is a tail call or tail recursion.
3266
3267 2012-02-16  Kai Tietz  <ktietz@redhat.com>
3268
3269         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3270         interger-constant displacement for UNSPEC_PCREL.
3271
3272 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3273
3274         PR rtl-optimization/52208
3275         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3276         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3277
3278         PR tree-optimization/52255
3279         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3280         loop->header has virtual PHI, but exit_e->dest doesn't, add
3281         virtual PHI to exit_e->dest and adjust all uses after the loop.
3282
3283         PR debug/52260
3284         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3285         children with clone_tree_hash, not after it.
3286
3287 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
3288
3289         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3290         extended identifiers.
3291
3292 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3293
3294         PR middle-end/51929
3295         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3296         a same_body_alias, also test whether e->callee isn't a former
3297         or current clone of the decl this is a same body alias of.
3298
3299         PR translation/52264
3300         * cgraphunit.c (verify_cgraph_node): Fix a typo.
3301
3302 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3303
3304         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3305
3306 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3307
3308         PR target/52199
3309         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3310         force_reg instead of copy_to_reg for better optimization.  Force
3311         non-register or memory operands into a register.
3312
3313 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
3314
3315         * extend.texi: Reserve upper bits of memory model for future use.
3316
3317 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
3318             Anatoly Sokolov <aesok@post.ru>
3319             Eric Weddington <eric.weddington@atmel.com>
3320
3321         PR target/52261
3322         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3323         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3324         Rewrite initializers for .macro.
3325         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3326         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3327         atxmega32d4, atxmega32x1.
3328         avrxmega4: atxmega64a3, atxmega64d3.
3329         avrxmega5: atxmega64a1, atxmega64a1u.
3330         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3331         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3332         avrxmega7: atxmega128a1, atxmega128a1u.
3333         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3334         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3335         (struct base_arch_s): Rename reserved to xmega_p.
3336         Rename reserved2 to have_rampd.
3337         (AVR_XMEGA): New define.
3338         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3339         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3340         * config/avr/predicates.md (io_address_operand): Take into
3341         account SFR offset.
3342         (low_io_address_operand): Ditto.
3343         (high_io_address_operand): Ditto.
3344         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3345         (enabled, movhi_sp_r): Use them.
3346         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3347         cpp_define_formatted to built-in define __AVR_ARCH__.
3348         (__AVR_XMEGA__): New built-in define.
3349         (__AVR_HAVE_RAMPD__): New built-in define.
3350         (__AVR_HAVE_RAMPX__): New built-in define.
3351         (__AVR_HAVE_RAMPY__): New built-in define.
3352         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3353
3354         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3355         (avr_option_override): Initialize them.
3356         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3357         (avr_init_expanders): Initialize them. No more block several calls.
3358         (emit_push_sfr): New static function.
3359         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3360         Handle AVR_XMEGA.
3361         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3362         (avr_print_operand): Print addreeses as symbols for
3363         RAMPX, RAMPY, RAMPD, CCP.
3364         (output_movhi): Handle AVR_XMEGA when writing to SP.
3365         (avr_out_movhi_mr_r_xmega): New static function.
3366         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3367         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
3368         __RAMPD__,  __CCP__ as needed.
3369
3370         * config/avr/multilib.h: Regenerate.
3371         * config/avr/t-multilib: Regenerate.
3372         * config/avr/avr-tables.opt: Regenerate.
3373
3374 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
3375
3376         PR tree-optimization/50561
3377         * graphite-flattening.c (lst_project_loop): Do not
3378         remove old scattering dimensions after flattening.
3379         (lst_do_flatten): Likewise.
3380
3381 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
3382
3383         * doc/extend.texi (AVR Built-in Functions): Remove doc for
3384         __builtin_avr_map8, __builtin_avr_map16.
3385         Document __builtin_avr_insert_bits.
3386
3387         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3388         (insert_bits): New insn.
3389         (adjust_len.map_bits): Rename to insert_bits.
3390         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3391         * avr-protos.h (avr_out_map_bits): Remove.
3392         (avr_out_insert_bits, avr_has_nibble_0xf): New.
3393         * config/avr/constraints.md (Cxf,C0f): New.
3394         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3395         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3396         New built-in define __BUILTIN_AVR_INSERT_BITS.
3397         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3398         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3399         (avr_move_bits): Rewrite.
3400         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3401         functions.
3402         (avr_map_op_t): New typedef.
3403         (avr_map_op): New static variable.
3404         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3405         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3406         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3407         (bdesc_3arg, avr_expand_triop_builtin): New.
3408         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3409         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3410         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3411         (avr_map_equal_p, avr_map_sig_p): Remove.
3412         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3413         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3414         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3415         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3416         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3417         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3418
3419 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3420
3421         * config/c6x/c6x.md (reserve_cycles): New attribute.
3422         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3423         don't reserve functional units after the branch occurs.
3424
3425 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
3426
3427         PR middle-end/52142
3428         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3429         functions into non-tm_pure functions.
3430
3431 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3432
3433         PR lto/52178
3434         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3435         (iterative_hash_canonical_type): Likewise.
3436         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3437         the dead edges.
3438
3439 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3440
3441         * haifa-sched.c (prune_ready_list): Ensure that if there is a
3442         sched-group insn, it either remains alone or the entire list is pruned.
3443
3444 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3445
3446         * doc/install.texi (Prerequisites): Fix grammar.
3447         (Configuration): Likewise.
3448
3449 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3450
3451         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3452         MPC as part of GCC before describing configuring with --with-gmp etc.
3453         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3454         sources are present.
3455
3456 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3457
3458         PR debug/51950
3459         * dwarf2out.c (clone_tree_hash): New function.
3460         (copy_decls_walk): Use it instead of clone_tree.
3461
3462 2012-02-14  Richard Guenther  <rguenther@suse.de>
3463
3464         PR tree-optimization/52244
3465         PR tree-optimization/51528
3466         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3467         replacements for integral types.
3468
3469 2012-02-14  Walter Lee  <walt@tilera.com>
3470
3471         * config.gcc: Handle tilegx and tilepro.
3472         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3473         tilegx and tilepro.
3474         Add HAVE_AS_TLS check for tilegx and tilepro.
3475         * configure: Regenerate.
3476         * doc/contrib.texi: Add Mat Hostetter and self.
3477         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3478         Document instruction intrinsics and network accessing intrinsics.
3479         (TILEPro Built-in Functions): New node.  Document instruction
3480         intrinsics and network accessing intrinsics.
3481         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3482         (Specific, tilepro-*-linux*): Likewise.
3483         * doc/invoke.texi (TILE-Gx Options): New section.
3484         (TILEPro Options): New section.
3485         * doc/md.texi (TILE-Gx): New section.
3486         (TILEPro): New section.
3487         * common/config/tilegx/tilegx-common.c: New file.
3488         * common/config/tilepro/tilepro-common.c: New file.
3489         * config/tilegx/constraints.md: New file.
3490         * config/tilegx/linux.h: New file.
3491         * config/tilegx/mul-tables.c: New file.
3492         * config/tilegx/predicates.md: New file.
3493         * config/tilegx/sync.md: New file.
3494         * config/tilegx/t-tilegx: New file.
3495         * config/tilegx/tilegx-builtins.h: New file.
3496         * config/tilegx/tilegx-c.c: New file.
3497         * config/tilegx/tilegx-generic.md: New file.
3498         * config/tilegx/tilegx-modes.def: New file.
3499         * config/tilegx/tilegx-multiply.h: New file.
3500         * config/tilegx/tilegx-protos.h: New file.
3501         * config/tilegx/tilegx.c: New file.
3502         * config/tilegx/tilegx.h: New file.
3503         * config/tilegx/tilegx.md: New file.
3504         * config/tilegx/tilegx.opt: New file.
3505         * config/tilepro/constraints.md: New file.
3506         * config/tilepro/gen-mul-tables.cc: New file.
3507         * config/tilepro/linux.h: New file.
3508         * config/tilepro/mul-tables.c: New file.
3509         * config/tilepro/predicates.md: New file.
3510         * config/tilepro/t-tilepro: New file.
3511         * config/tilepro/tilepro-builtins.h: New file.
3512         * config/tilepro/tilepro-c.c: New file.
3513         * config/tilepro/tilepro-generic.md: New file.
3514         * config/tilepro/tilepro-modes.def: New file.
3515         * config/tilepro/tilepro-multiply.h: New file.
3516         * config/tilepro/tilepro-protos.h: New file.
3517         * config/tilepro/tilepro.c: New file.
3518         * config/tilepro/tilepro.h: New file.
3519         * config/tilepro/tilepro.md: New file.
3520         * config/tilepro/tilepro.opt: New file.
3521
3522 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3523
3524         PR tree-optimization/52210
3525         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3526         vect_model_simple_cost with two entry vect_def_type array instead
3527         of an address of dt.
3528
3529 2012-02-14  Richard Guenther  <rguenther@suse.de>
3530
3531         PR lto/52178
3532         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3533         Do not stream DECL_QUALIFIER.
3534         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3535         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3536         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3537
3538 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3539
3540         PR c/52181
3541         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3542         newdecl.
3543
3544 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3545
3546         PR bootstrap/52172
3547         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3548         * cselib.c (cselib_subst_to_values_from_insn): New function.
3549         * sched-deps.c (add_insn_mem_dependence,
3550         sched_analyze_1, sched_analyze_2): Use it.
3551
3552 2012-02-13  Jan Hubicka  <jh@suse.cz>
3553
3554         PR middle-end/52214
3555         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3556
3557 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3558
3559         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3560         (GTM_SELF_SPECS): Define if not already defined.
3561         (driver_self_specs): Add GTM_SELF_SPECS.
3562         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3563         (GTM_SELF_SPECS): Define.
3564         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3565         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3566
3567 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3568
3569         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3570         away if seen.
3571
3572         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3573
3574         PR middle-end/52230
3575         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3576         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3577
3578 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3579
3580         PR c/52190
3581         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3582
3583 2012-02-13  Richard Guenther  <rguenther@suse.de>
3584
3585         PR translation/52211
3586         * passes.c (enable_disable_pass): Fix typo.
3587
3588 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3589
3590         PR middle-end/52209
3591         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3592         XOR for reduce_bit_field if type is unsigned.
3593
3594 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3595
3596         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3597         disallow changes from SFmode to mode with different size in FP regs.
3598
3599 2012-02-12  Robert Millan  <rmh@gnu.org>
3600             Gerald Pfeifer <gerald@pfeifer.com>
3601
3602         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3603         Tweak comment.
3604
3605 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3606
3607         PR rtl-optimization/52175
3608         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3609         to frame-related instructions.
3610
3611 2012-02-10  Jason Merrill  <jason@redhat.com>
3612
3613         PR c++/51910
3614         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3615         (demangle_new_symbols): Fill it.
3616         (scan_linker_output): Walk it.
3617         (start_tweaking): Split out from scan_linker_output.
3618         (maybe_tweak): Update sym->chosen.
3619         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3620
3621 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3622
3623         PR debug/52132
3624         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3625
3626 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3627
3628         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3629         having the same mode as previous compare.
3630
3631 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3632
3633         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3634         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3635         (nonlocal_goto_internal): Likewise.
3636         (nonlocal_goto): Emit a use and an indirect jump directly.
3637
3638 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3639
3640         PR c/52190
3641         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3642         __atomic_{is,always}_lock_free.
3643
3644 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3645
3646         PR target/52146
3647         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3648         negative constant address for x32.
3649
3650 2012-02-10  Richard Henderson  <rth@redhat.com>
3651
3652         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3653         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3654         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3655
3656 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3657             Ira Rosen  <irar@il.ibm.com>
3658
3659         PR tree-optimization/50031
3660         * targhooks.c (default_builtin_vectorization_cost): Handle
3661         vec_promote_demote.
3662         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3663         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3664         all types of reduction and pattern statements.
3665         (vect_estimate_min_profitable_iters): Likewise.
3666         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3667         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3668         for explicit realigns.
3669         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3670         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3671         vec_promote_demote.
3672         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3673         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3674         vec_perm for VSX and handle vec_promote_demote.
3675
3676 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3677
3678         PR middle-end/52177
3679         * builtins.c (fold_builtin_atomic_always_lock_free,
3680         expand_builtin_atomic_always_lock_free,
3681         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3682         Return and/or test boolean_true_node/boolean_false_node instead of
3683         integer_one_node/integer_zero_node.
3684
3685 2012-02-10  Jan Hubicka  <jh@suse.cz>
3686
3687         PR middle-end/48600
3688         * predict.c (predict_paths_for_bb): Prevent looping.
3689         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3690
3691 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3692
3693         * config/arm/arm.c (output_move_double): In one case properly
3694         count number of instructions that will be emitted.
3695
3696 2012-02-10  Richard Guenther  <rguenther@suse.de>
3697
3698         PR translation/52193
3699         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3700
3701 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3702
3703         PR middle-end/52140
3704         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3705
3706 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3707
3708         PR debug/52165
3709         * var-tracking.c (emit_note_insn_var_location): If
3710         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3711         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3712         non-NOTE_DURING_CALL_P insn.
3713
3714 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3715
3716         PR middle-end/51867
3717         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3718
3719 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3720
3721         PR driver/48524
3722         * gcc.c (switch_matches) Support switches with separated form,
3723         -D and -U.
3724
3725 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3726
3727         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3728         (SP_ADDR): Ditto.
3729         (RAMPZ_ADDR): Ditto.
3730         * config/avr/avr.c (avr_addr_t): New typedef.
3731         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3732         (avr_init_expanders): Initialize it.
3733         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3734         SREG_ADDR.
3735         (expand_epilogue): Ditto.
3736         (avr_print_operand): Ditto.
3737         (avr_file_start): Ditto.
3738         (avr_emit_movmemhi): Ditto.
3739
3740 2012-02-08  Richard Guenther  <rguenther@suse.de>
3741
3742         PR tree-optimization/46886
3743         * tree-flow.h (do_while_loop_p): Declare.
3744         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3745         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3746
3747 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3748
3749         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3750         always succeed for integers larger than a native word.
3751
3752 2012-02-08  Richard Guenther  <rguenther@suse.de>
3753
3754         PR rtl-optimization/52170
3755         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3756         properly handle integer vector modes.
3757
3758 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3759
3760         PR gcov-profile/52150
3761         * coverage.c: Include target.h.
3762         (build_var): Call targetm.strip_name_encoding on the assembler name.
3763         Change one _ into . or $ if the target allows it.
3764         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3765
3766         PR rtl-optimization/52139
3767         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3768         is a BARRIER after emit_insn_after_noloc, move BB_END
3769         to the last non-BARRIER insn before it.
3770
3771 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3772
3773         PR middle-end/24306
3774         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3775         (mips_gimplify_va_arg_expr): Call it instead of
3776         std_gimplify_va_arg_expr.
3777
3778 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3779
3780         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3781         message for -mno-pointers-to-nested-function.
3782
3783 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3784
3785         PR middle-end/51994
3786         * expr.c (get_inner_reference): If there is an offset, add a negative
3787         bit position to it (if any).
3788
3789 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3790
3791         PR rtl-optimization/52060
3792         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3793         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3794         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3795         and/or i0src_copy2 when needed.
3796
3797 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3798
3799         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3800         or LTOPLUGINSONAME if have_c.
3801
3802         * config/freebsd-spec.h: Add comment about what macros can be defined
3803         in this header.
3804         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3805         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3806         here instead.
3807
3808 2012-02-07  Richard Guenther  <rguenther@suse.de>
3809
3810         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3811         newline in -alias dumps.
3812
3813 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3814             Dave Korn  <dave.korn.cygwin@gmail.com>
3815
3816         PR target/40068
3817         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3818         Take care that typinfo gets dllexport-attribute.
3819
3820 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3821
3822         PR middle-end/52074
3823         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3824         if modifier < EXPAND_SUM call force_operand on the result.
3825
3826 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3827
3828         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3829         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3830         present.
3831         (epiphany_function_type): Replace types for specific interrupts with
3832         EPIPHANY_FUNCTION_INTERRUPT.
3833         (EPIPHANY_INTERRUPT_P): Update.
3834         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3835         New static function.
3836         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3837         <disinterrupt>: Affects type identity.
3838         (epiphany_handle_interrupt_attribute): Handle variable number of
3839         arguments.
3840         (epiphany_compute_function_type): Update for new
3841         epiphany_function_type definition.
3842         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3843         handlers with a longcall forwarder.
3844         (epiphany_start_function): Handle multiple interrupt arguments and/or
3845         forwarder_section attribute.
3846
3847         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3848         libgloss.
3849
3850 2012-02-07  Alan Modra  <amodra@gmail.com>
3851
3852         PR target/52107
3853         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3854         subregs of TFmode.
3855
3856 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3857
3858         PR tree-optimization/50969
3859         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3860         use vec_perm rather than vector_stmt.
3861         (vect_model_load_cost): Likewise.
3862         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3863         vec_perm to be the same as other vector statements.
3864         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3865         cost of vec_perm for TARGET_VSX.
3866
3867 2012-02-06  Richard Guenther  <rguenther@suse.de>
3868
3869         PR tree-optimization/52115
3870         * tree-sra.c (access_has_replacements_p): New function.
3871         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3872
3873 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3874
3875         PR middle-end/52047
3876         * trans-mem.c (expand_call_tm): Add an assertion.
3877         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3878         functions.
3879
3880 2012-02-06  Richard Guenther  <rguenther@suse.de>
3881
3882         PR tree-optimization/50955
3883         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3884         raise cost of expressions that replace an address with an
3885         expression based on a different pointer.
3886
3887 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3888
3889         PR target/52129
3890         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3891         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3892
3893 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3894
3895         PR c++/48680
3896         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3897         -Weffc++ and specify guidelines come from second edition.
3898
3899 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3900
3901         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3902         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3903         (call_direct_split, call_value_split, call_value_internal_direct)
3904         (call_value_direct_split, call_value_multiple_split): Use jal and
3905         jal_macro attributes.
3906
3907 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3908
3909         * reload1.c (reload_regs_reach_end_p): Replace with...
3910         (reload_reg_rtx_reaches_end_p): ...this function.
3911         (new_spill_reg_store): Update commentary.
3912         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3913         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3914         before setting new_spill_reg_store.
3915         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3916         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3917         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3918         for non-spill reload registers.
3919
3920 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3921
3922         PR tree-optimization/52091
3923         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3924         (vect_is_simple_use_1): Likewise.
3925         * tree-vect-loop.c (vectorizable_reduction): Update calls
3926         to vect_is_simple_use_1 and vect_is_simple_use.
3927         (vectorizable_live_operation): Likewise.
3928         * tree-vect-patterns.c (widened_name_p,
3929         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3930         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3931         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3932         vectorizable_shift,vectorizable_operation, vectorizable_store,
3933         vectorizable_load): Likewise.
3934         (vect_is_simple_cond): Add an argument, pass it to
3935         vect_is_simple_use_1.
3936         (vectorizable_condition): Update calls to vect_is_simple_cond,
3937         vect_is_simple_use.
3938         (vect_is_simple_use): Add an argument, the statement in which
3939         OPERAND is used.  Check that if OPERAND's def stmt is a double
3940         reduction phi node, the use is a phi node too.
3941         (vect_is_simple_use_1): Add an argument, pass it to
3942         vect_is_simple_use.
3943         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3944         to vect_is_simple_use.
3945
3946 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3947
3948         PR rtl-optimization/52095
3949         * modulo-sched.c (dump_insn_locator): New function.
3950         (loop_canon_p, sms_schedule): Use it.
3951
3952         PR rtl-optimization/52113
3953         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3954         even for decomposable shift/zext insns.
3955
3956 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3957             Zdenek Dvorak  <ook@ucw.cz>
3958
3959         PR rtl-optimization/52092
3960         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3961         on get_iv_value result.
3962
3963 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3964
3965         PR middle-end/47982
3966         PR middle-end/43967
3967         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3968
3969 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3970
3971         PR middle-end/48071
3972         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3973
3974 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3975
3976         PR rtl-optimization/49800
3977         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3978         (sched_finish): Call regstat_free_n_sets_and_refs.
3979
3980 2012-02-02  Jia Liu  <proljc@gmail.com>
3981
3982         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3983         than operand 2.
3984
3985 2012-02-02  Jan Hubicka  <jh@suse.cz>
3986             Tom de Vries  <tom@codesourcery.com>
3987
3988         PR middle-end/51998
3989         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3990         * varpool.c (varpool_analyze_pending_decls): Likewise.
3991
3992 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3993             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3994
3995         * config.gcc: Add cr16-* support.
3996
3997         * doc/extend.texi: Document cr16 extensions.
3998         * doc/install.texi: Document cr16 install.
3999         * doc/invoke.texi: Document cr16 options.
4000         * doc/md.texi: Document cr16 constraints.
4001
4002         * common/config/cr16/cr16-common.c: New file.
4003         * config/cr16/cr16.c: New file.
4004         * config/cr16/cr16.h: New file.
4005         * config/cr16/cr16.md: New file.
4006         * config/cr16/cr16.opt: New file.
4007         * config/cr16/cr16-protos.h: New file.
4008         * config/cr16/predicates.md: New file.
4009         * config/cr16/constraints.md: New file.
4010         * config/cr16/t-cr16: New file.
4011
4012 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4013
4014         PR target/52086
4015         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4016         that operands[2] is either immediate, or q_regs_operand.
4017
4018         PR tree-optimization/52073
4019         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4020         a pattern stmt for pattern uses, ignore uses outside of the loop.
4021
4022 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4023
4024         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4025         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4026         (OUT_AS1, OUT_AS2): Remove.
4027
4028 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4029
4030         PR rtl-optimization/51374
4031         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4032         to cross other volatile_refs_p insns.
4033
4034 2012-02-01  Richard Guenther  <rguenther@suse.de>
4035
4036         * doc/invoke.texi (fno-inline): Clarify documentation.
4037         (finline-small-functions): Likewise.
4038         (finline-functions): Likewise.
4039         * common.opt (finline): Adjust comment and documentation.
4040         (finline-small-functions): Clarify documentation.
4041         (finline-functions): Likewise.
4042         (finline-functions-called-once): Likewise.
4043
4044 2012-02-01  Tristan Gingold  <gingold@adacore.com>
4045
4046         * c-typeck.c (composite_type): Keep mode for pointers.
4047
4048 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
4049
4050         * function.h (regno_reg_rtx): Adjust comment.
4051         * reginfo.c (init_reg_modes_target): Only use the previous mode
4052         if it fits within one register.  Remove MIPS comment.
4053
4054 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4055
4056         PR bootstrap/52058
4057         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4058
4059 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4060
4061         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4062         to srak instruction.
4063
4064 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4065
4066         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4067
4068 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4069
4070         PR bootstrap/52041
4071         PR bootstrap/52039
4072         PR target/51974
4073         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4074
4075 2012-01-31  Richard Guenther  <rguenther@suse.de>
4076
4077         PR tree-optimization/51528
4078         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4079         assigns.
4080
4081 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4082
4083         PR bootstrap/52041
4084         PR bootstrap/52039
4085         PR target/51974
4086         * ree.c (add_removable_extension): Change def_map argument
4087         to unsigned *, store in def_map 1 + offset into *insn_list vector
4088         instead of pointers into the vector.
4089         (find_removable_extensions): Adjust caller.
4090
4091 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4092
4093         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4094         Transform all "* quoted-c-code" to { c-code }.
4095         Remove redundant test for "optimize" in combine patterns.
4096         Move (include "avr-dimode.md") to end of file.
4097
4098 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
4099
4100         PR target/51835
4101         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4102         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4103
4104 2012-01-30  Richard Guenther  <rguenther@suse.de>
4105
4106         PR tree-optimization/52028
4107         * tree-loop-distribution.c (ldist_gen): Properly update
4108         virtual SSA form.
4109
4110 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
4111
4112         PR debug/52027
4113         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4114         set_cur_line_info_table if not emitting debug info.
4115
4116         PR tree-optimization/52046
4117         * tree-vect-patterns.c (check_bool_pattern): Give up if
4118         a comparison could throw.
4119
4120         PR debug/52048
4121         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4122
4123 2012-01-30  Richard Guenther  <rguenther@suse.de>
4124
4125         PR tree-optimization/52045
4126         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4127         SSA form if cfgcleanup did anything.
4128
4129 2012-01-30  Richard Guenther  <rguenther@suse.de>
4130
4131         PR tree-optimization/52045
4132         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4133         before computing final todo.
4134
4135 2012-01-30  Richard Guenther  <rguenther@suse.de>
4136
4137         PR tree-optimization/51528
4138         * tree-sra.c (sra_modify_assign): Re-factor in preparation
4139         for PR51528 fix.
4140
4141 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
4142
4143         * df-problems.c (df_kill_notes): Check that the use refers
4144         to the note under examination.
4145
4146 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
4147
4148         PR target/51920
4149         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4150         parameter and use short-lived pseudos.
4151         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4152         (sparc_expand_vector_init): Const-ify local variables and adjust
4153         calls to above functions.
4154
4155 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4156
4157         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4158
4159 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
4160
4161         * doc/invoke.texi: Make usage of "compile time" and
4162         "run time"/"runtime" consistent throughout&n