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1 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
2
3         Backported from mainline
4         2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
5
6         PR target/54741
7         *  config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
8         (XSTATE_FP): Likewise.
9         (XSTATE_SSE): Likewise.
10         (XSTATE_YMM): Likewise.
11         (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
12         SSE and YMM states aren't supported.
13
14 2012-10-01  Tom de Vries  <tom@codesourcery.com>
15
16         * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
17         the prototype.
18
19 2012-10-01  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
20
21         PR target/54746
22         * config/s390/s390.c (s390_option_override): Add missing break.
23
24 2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
25
26         Backport from mainline
27         2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
28
29         * config.gcc: Replace 'host' with 'target' when configuring for
30         powerpc64*-*-freebsd.
31
32 2012-09-28  Meador Inge  <meadori@codesourcery.com>
33
34         Backport from mainline
35         2012-09-27  Meador Inge  <meadori@codesourcery.com>
36
37         * gcc-ar.c (main): Handle the returning of the sub-process error
38         code correctly.
39
40 2012-09-28  Georg-Johann Lay  <avr@gjlay.de>
41
42         Backport from 2012-09-28 trunk r191821.
43         * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
44
45 2012-09-27  Jakub Jelinek  <jakub@redhat.com>
46
47         PR target/54703
48         * simplify-rtx.c (simplify_binary_operation_1): Perform
49         (x - (x & y)) -> (x & ~y) optimization only for integral
50         modes.
51
52 2012-09-24  Eric Botcazou  <ebotcazou@adacore.com>
53
54         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
55         TYPE_NONALIASED_COMPONENT flag.
56         * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
57         TYPE_NONALIASED_COMPONENT flag.
58
59 2012-09-21  Richard Guenther  <rguenther@suse.de>
60
61         PR middle-end/54638
62         Backport from mainline
63         2012-04-19  Richard Guenther  <rguenther@suse.de>
64
65         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
66         array access.
67
68 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
69
70         PR c/54552
71         * c-typeck.c (c_cast_expr): When casting to a type requiring
72         C_MAYBE_CONST_EXPR to be created, pass the inner expression to
73         c_fully_fold first.
74
75 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
76
77         PR c/54103
78         * c-typeck.c (build_unary_op): Pass original argument of
79         TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
80         any C_MAYBE_CONST_EXPR, if it has integer operands.
81         (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
82         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
83         to c_objc_common_truthvalue_conversion, then remove any
84         C_MAYBE_CONST_EXPR, if they have integer operands.  Use
85         c_objc_common_truthvalue_conversion not
86         c_common_truthvalue_conversion.
87         (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
88         call note_integer_operands for arguments with integer operands
89         that are not integer constants.
90
91 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
92
93         Backported from mainline
94         2012-09-17  Jakub Jelinek  <jakub@redhat.com>
95
96         PR tree-optimization/54563
97         * tree-ssa-math-opts.c (execute_cse_sincos): Call
98         gimple_purge_dead_eh_edges if last call has been changed.
99
100         2012-09-14  Jakub Jelinek  <jakub@redhat.com>
101
102         PR target/54564
103         * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
104         instead of (match_dup 0) as second argument to vec_merge.
105         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
106         Remove third alternative.
107         (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise.  Negate
108         operand 2 instead of operand 1, but put it as first argument
109         of fma.
110         * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
111         _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
112         of the first.
113
114 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
115
116         * BASE-VER: Set to 4.7.3.
117         * DEV-PHASE: Set to prerelease.
118
119 2012-09-20  Release Manager
120
121         * GCC 4.7.2 released.
122
123 2012-09-15  Andi Kleen  <ak@linux.intel.com>
124
125         Backport from mainline
126         2012-09-07  Andi Kleen  <ak@linux.intel.com>
127
128         * gcc/lto-streamer.h (res_pair): Add.
129         (lto_file_decl_data): Replace resolutions with respairs.
130         Add max_index.
131         * gcc/lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
132         Initialize respairs.
133         (lto_file_finalize): Set up resolutions vector lazily from respairs.
134
135 2012-09-14  Walter Lee  <walt@tilera.com>
136
137         Backport from mainline.
138         2012-09-14  Walter Lee  <walt@tilera.com>
139
140         * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
141         option for TILEPro and TILE-Gx.
142
143 2012-09-13  Uros Bizjak  <ubizjak@gmail.com>
144
145         * config/i386/i386.h (x86_prefetchw): New global variable.
146         (TARGET_PREFETCHW): New macro.
147         * config/i386/i386.c (PTA_PREFETCHW): Ditto.
148         (processor_alias_table): Add PTA_PREFETCHW to
149         bdver1, bdver2 and btver1.
150         (ix86_option_override_internal): Set x86_prefetchw for
151         PTA_PREFETCHW targets.
152         * config/i386/i386.md (prefetch): Expand to prefetchw
153         for TARGET_PREFETCHW.
154         (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
155
156         Backport from mainline
157         2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
158
159         * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
160         (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
161         Rename to ...
162         (*prefetch_sse): ... this.
163         (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
164         Rename to ...
165         (*prefetch_3dnow): ... this.
166
167 2012-09-13  Jakub Jelinek  <jakub@redhat.com>
168
169         PR c/54559
170         * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
171         COMPLEX_TYPE with in_late_binary_op set temporarily to true.
172
173 2012-09-12  Teresa Johnson  <tejohnson@google.com>
174
175         Backport from mainline.
176         2012-09-12  Teresa Johnson  <tejohnson@google.com>
177
178         PR gcov-profile/54487
179         * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
180         test using F_SETLKW with fcntl.
181         * configure, config.in: Regenerate.
182
183 2012-09-12  Uros Bizjak  <ubizjak@gmail.com>
184
185         Backport from mainline
186         2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
187
188         * config/i386/i386.md : Comments on fma4 instruction selection
189         reflect requirement on register pressure based cost model.
190
191         * config/i386/driver-i386.c (host_detect_local_cpu): fma4
192         flag is set-reset as informed by the cpuid flag.
193
194         * config/i386/i386.c (processor_alias_table): fma4
195         flag is enabled for bdver2.
196
197 2012-09-12  Christian Bruel  <christian.bruel@st.com>
198
199        * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
200
201 2012-09-12  Jakub Jelinek  <jakub@redhat.com>
202
203         * config.gcc: Obsolete picochip-*.
204
205 2012-09-11  Richard Guenther  <rguenther@suse.de>
206
207         PR debug/54534
208         * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
209         on flag_toplevel_reorder.
210
211 2012-09-10  Richard Henderson  <rth@redhat.com>
212
213         * config/alpha/predicates.md (small_symbolic_operand): Disallow
214         large offsets.
215
216 2012-09-10  Georg-Johann Lay  <avr@gjlay.de>
217
218         Backport from 2012-09-10 mainline r191132.
219
220         PR target/54536
221         * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
222
223 2012-09-10  Markus Trippelsdorf  <markus@trippelsdorf.de>
224
225         PR middle-end/54515
226         * tree-sra.c (disqualify_base_of_expr): Check for possible
227         NULL_TREE returned by get_base_address()
228
229 2012-09-07  Richard Guenther  <rguenther@suse.de>
230
231         Backport from mainline
232         2012-06-26  Jan Hubicka  <jh@suse.cz>
233
234         PR lto/53572
235         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
236         used symbols.
237
238 2012-09-07  Richard Guenther  <rguenther@suse.de>
239
240         Backport from mainline
241         2012-07-13  Richard Guenther  <rguenther@suse.de>
242
243         PR tree-optimization/53922
244         * tree-vrp.c (value_inside_range): Change prototype to take
245         min/max instead of value-range.
246         (range_includes_zero_p): Likewise.  Return the result from
247         value_inside_range.
248         (extract_range_from_binary_expr_1): Adjust to handle dont-know
249         return value from range_includes_zero_p.
250         (extract_range_from_unary_expr_1): Likewise.
251         (compare_range_with_value): Likewise.
252         (vrp_meet_1): Likewise.
253
254 2012-09-07  Richard Guenther  <rguenther@suse.de>
255
256         PR middle-end/53667
257         * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
258         EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
259         arguments separately.
260
261 2012-09-07  Jakub Jelinek  <jakub@redhat.com>
262
263         Backported from mainline
264         2012-09-06  Jakub Jelinek  <jakub@redhat.com>
265
266         PR rtl-optimization/54455
267         * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
268         bb ends up with asm goto referencing bb's label.
269
270 2012-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
271
272         Backport from mainline.
273         2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
274                     Richard Earnshaw  <richard.earnshaw@arm.com>
275
276         PR target/54252
277         * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
278         element size. Use elem_type from the formal parameter. New parameter
279         fcode.
280         (neon_expand_args): Adjust call to neon_dereference_pointer.
281
282 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
283
284         * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
285         reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
286
287 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
288
289         Backport from mainline
290         2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
291
292         * config/i386/i386.md (isa): Add fma and fma4.
293         (enabled): Handle fma and fma4.
294         * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
295         (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
296         (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
297         (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
298         (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
299         (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
300
301         2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
302
303         * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
304         *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
305         *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
306
307 2012-09-06  Richard Guenther  <rguenther@suse.de>
308
309         PR tree-optimization/54498
310         * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
311         abort when reaching an already visited region.
312         * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
313         (get_continuation_for_phi_1): Likewise.
314         (walk_non_aliased_vuses): When we translated the reference,
315         abort when we re-visit a region.
316         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
317
318 2012-09-06  Andrew Pinski  <apinski@cavium.com>
319
320         PR tree-opt/54494
321         * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
322
323 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
324
325         PR middle-end/54486
326         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
327         build_int_cst with size_type_node instead of size_int.
328
329 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
330
331         Backport from 2012-09-05 mainline r190697.
332
333         PR target/54461
334         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
335         configured --with-avrlibc.
336         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
337         --with-avrlibc.
338         * config/avr/avrlibc.h: New file.
339         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
340         configured --with-avrlibc.
341         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
342
343 2012-09-05  Bin Cheng  <bin.cheng@arm.com>
344
345         Backport from 2012-09-04 mainline r190919
346
347         PR target/45070
348         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
349         of size less than 4 bytes by using macro ARM_NUM_INTS.
350         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
351
352 2012-09-04  Richard Henderson  <rth@redhat.com>
353
354         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
355
356 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
357
358         Backport from 2012-09-04 mainline r190920
359
360         PR target/54476
361         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
362
363 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
364
365         Backport from 2012-09-04 mainline r190914
366
367         PR target/54220
368         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
369         define to...
370         (avr_allocate_stack_slots_for_args): ...this new static function.
371
372 2012-09-03  H.J. Lu  <hongjiu.lu@intel.com>
373
374         Backported from mainline
375         2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
376
377         PR driver/54335
378         * doc/invoke.texi: Add -da and remove -dm.
379
380 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
381
382         Backported from mainline
383         2012-09-01  Jakub Jelinek  <jakub@redhat.com>
384
385         PR target/54436
386         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
387         operands[1] is CONST_INT_P, convert it to QImode before printing.
388
389         2012-08-31  Jakub Jelinek  <jakub@redhat.com>
390
391         PR c/54428
392         * c-convert.c (convert): Don't call fold_convert_loc if
393         TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
394         is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
395         COMPLEX_TYPE -> COMPLEX_TYPE conversion.
396
397         2012-08-24  Jakub Jelinek  <jakub@redhat.com>
398
399         PR c/54363
400         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
401         if init is a CONSTRUCTOR.
402
403 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
404
405         PR rtl-optimization/54369
406         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
407         calling dbr_schedule.
408         * config/sparc/sparc.c (sparc_reorg): Likewise.
409
410 2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>
411
412         Backport from mainline
413         2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>
414
415         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
416         case for Atom processor.
417
418 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
419
420         Backport from mainline
421         2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
422
423         PR target/46254
424         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
425         true for TARGET_64BIT or !flag_pic.
426         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
427         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
428         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
429         Add insn constraint.  Conditionally emit xchg asm insns.
430         (atomic_compare_and_swap<mode>): Update calls.  Check only
431         cmpxchg8b_pic_memory_operand in memory address fixup.
432         (DCASMODE): Remove.
433         (CASHMODE): Rename from DCASHMODE.
434         (doublemodesuffix): Update modes.
435         (regprefix): New mode attribute.
436
437         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
438         <UNSPECV_CMPXCHG>: New constant.
439         (atomic_compare_and_swap<mode>_1): Rename from
440         atomic_compare_and_swap_single<mode>.  Update calls and
441         unspec_volatile constants.
442         (atomic_compare_and_swap<mode>_doubleword): Rename from
443         atomic_compare_and_swap_double<mode>.  Update calls and
444         unspec_volatile constants.
445
446 2012-08-28  Walter Lee  <walt@tilera.com>
447
448         Backport from mainline
449         2012-08-28  Walter Lee  <walt@tilera.com>
450
451         * confg/tilegx/tilegx.md: Fix code style.
452         (*zero_extendsidi_truncdisi): Fix typo.
453         * config/tilegx/tilegx.c: Fix code style.
454         (tilegx_function_profiler): Fix typo.
455
456 2012-08-27  Walter Lee  <walt@tilera.com>
457
458         Backport from mainline
459         2012-08-27  Walter Lee  <walt@tilera.com>
460
461         * doc/md.texi (TILE-Gx): Fix typo.
462
463 2012-08-27  Walter Lee  <walt@tilera.com>
464
465         Backport from mainline
466         2012-08-27  Walter Lee  <walt@tilera.com>
467
468         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
469         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
470
471 2012-08-27  Walter Lee  <walt@tilera.com>
472
473         Backport from mainline
474         2012-08-27  Walter Lee  <walt@tilera.com>
475
476         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
477         (insn_bfins): Delete.
478
479 2012-08-27  Walter Lee  <walt@tilera.com>
480
481         Backport from mainline
482         2012-08-27  Walter Lee  <walt@tilera.com>
483
484         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
485         atomic_exchange_bare<mode>,
486         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
487         * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
488         * config/tilegx/tilegx.md (type): Add X1_remove.
489         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
490         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
491         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
492         X1_remote.
493
494 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
495
496         PR rtl-optimization/54088
497         * jump.c (delete_related_insns): Robustify latest change.
498
499 2012-08-21  Richard Guenther  <rguenther@suse.de>
500
501         Backport from mainline
502         2012-08-16  Richard Guenther  <rguenther@suse.de>
503
504         PR middle-end/54146
505         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
506         exit vector.
507         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
508         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
509         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
510         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
511         (tree_ssa_lim_finalize): Free all mem_refs.
512         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
513         scc when bailing out.
514         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
515         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
516         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
517         FOR_EACH_LOOP_BREAK.
518
519         2012-08-17  Richard Guenther  <rguenther@suse.de>
520
521         * tree-sra.c (modify_function): Free redirect_callers vector.
522         * ipa-split.c (split_function): Free args_to_pass vector.
523         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
524         vec_oprnds.
525         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
526         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
527         (vect_analyze_slp_instance): Free everything.
528         (destroy_bb_vec_info): Free the SLP instances.
529
530         2012-08-17  Richard Guenther  <rguenther@suse.de>
531
532         * params.def (integer-share-limit): Decrease from 256 to 251,
533         add rationale.
534
535         2012-08-21  Richard Guenther  <rguenther@suse.de>
536
537         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
538         the affine expansion cache.
539
540 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
541
542         Backported from trunk
543         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
544
545         PR middle-end/53992
546         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
547
548 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
549
550         Backport from mainline.
551         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
552
553         PR target/54212
554         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
555         mark as predicable. Adjust asm template.
556         (vec_setv2di_internal): Likewise.
557         (vec_extract<mode> VD, VQ): Likewise.
558         (vec_extractv2di): Likewise.
559         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
560         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
561         (neon_vdup_n<mode> VX, V32): Likewise.
562         (neon_vdup_nv2di): Likewise.
563
564 2012-08-17  Walter Lee  <walt@tilera.com>
565
566         Backport from mainline
567         2012-08-17  Walter Lee  <walt@tilera.com>
568
569         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
570         (FEEDBACK_ENTER): Define.
571         (FEEDBACK_REENTER): Define.
572         (FEEDBACK_ENTRY): Define.
573         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
574         (FEEDBACK_ENTER): Define.
575         (FEEDBACK_REENTER): Define.
576         (FEEDBACK_ENTRY): Define.
577
578 2012-08-16  Walter Lee  <walt@tilera.com>
579
580         Backport from mainline
581         2012-08-16  Walter Lee  <walt@tilera.com>
582
583         * config.gcc (tilegx-*-linux*): Add feedback.h.
584         (tilepro-*-linux*): Likewise.
585         * config/tilegx/feedback.h: New file.
586         * config/tilepro/feedback.h: New file.
587
588 2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>
589
590         Backport from mainline r189840 and r187586:
591         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
592
593         * config/i386/i386.md (stack_protect_set): Disable the pattern
594         for Android since Android libc (bionic) does not provide random
595         value for stack protection guard at gs:0x14. Guard value
596         will be provided from external symbol (default implementation).
597         (stack_protect_set_<mode>): Likewise.
598         (stack_protect_test): Likewise.
599         (stack_protect_test_<mode>): Likewise.
600         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
601         not have Bionic by default
602         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
603         Macro OPTION_BIONIC is defined in this file and provides Bionic
604         accessibility status
605
606         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
607
608         * configure.ac: Stack protector enabling for Android targets.
609         * configure: Regenerate.
610
611 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
612
613         Backported from trunk
614         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
615
616         PR rtl-optimization/53942
617         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
618         directly from likely spilled non-fixed hard registers, move them
619         to pseudo first.
620
621 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
622
623         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
624         (xop_phaddubq): Ditto.
625
626 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
627
628         Backport from mainline
629         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
630                     Richard Earnshaw  <rearnsha@arm.com>
631
632         * target.def (vector_alignment): New target hook.
633         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
634         * doc/tm.texi: Regenerate.
635         * targhooks.c (default_vector_alignment): New function.
636         * targhooks.h (default_vector_alignment): Add prototype.
637         * stor-layout.c (layout_type): Use targetm.vector_alignment.
638         * config/arm/arm.c (arm_vector_alignment): New function.
639         (TARGET_VECTOR_ALIGNMENT): Define.
640
641         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
642         vector type alignment instead of size.
643         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
644         element type size directly instead of computing it from alignment.
645         Fix variable naming and comment.
646
647 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
648
649         Backport from mainline
650         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
651
652         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
653         (alpha_pad_function_end): ... this.  Also insert NOP between
654         sibling call and GP load.
655         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
656
657 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
658
659         Backport from mainline
660         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
661                     H.J. Lu  <hongjiu.lu@intel.com>
662
663         PR rtl-optimization/54157
664         * combine.c (gen_lowpart_for_combine): Don't return identity
665         for CONST or symbolic reference.
666
667 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
668
669         Backport from mainline
670         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
671
672         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
673         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
674         split_cost argument signed.
675         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
676         (ix86_avoid_lea_for_addr): Ditto.
677
678         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
679
680         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
681         the address has less than two components.
682
683 2012-08-02  Steve Ellcey  <sellcey@mips.com>
684
685         Backport from mainline
686         2012-07-19  Steve Ellcey  <sellcey@mips.com>
687
688         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
689         MIPS16 mode.
690
691 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
692
693         Backport from mainline
694         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
695
696         PR target/53961
697         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
698         negative constant address for TARGET_X32 ...
699         (ix86_decompose_address): ... here.  Reject constant addresses
700         that don't satisfy x86_64_immediate_operand predicate.
701
702         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
703
704         PR target/53961
705         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
706         * config/i386/i386.c (ix86_print_operand_address): Ditto.
707         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
708         addresses.  Prevent zero extensions of CONST_INT operands.
709
710         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
711
712         PR target/53961
713         * config/i386/i386.md (*lea): New insn pattern.
714         (*lea_1): Remove.
715         (*lea<mode>_2): Ditto.
716         (*lea_{3,4,5,6}_zext): Ditto.
717         * config/i386/predicates.md (lea_address_operand): Do not reject
718         zero-extended address operands.
719         * config/i386/constraints.md (j): Remove address constraint.
720         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
721         of an address.
722         (ix86_print_operand_address): Handle SImode subreg of an address.
723         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
724
725 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
726
727         Backport from mainline
728         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
729
730         PR target/52530
731         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
732         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
733         to set code to 'q'.
734         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
735         (*movdi_internal_rex64): Use %E operand modifier for lea.
736         (*movsi_internal): Ditto.
737         (*lea_1): Ditto.
738         (*lea<mode>_2): Ditto.
739         (*lea_{3,4,5,6}_zext): Ditto.
740         (*tls_global_dynamic_32_gnu): Ditto.
741         (*tls_global_dynamic_64): Ditto.
742         (*tls_dynamic_gnu2_lea_32): Ditto.
743         (*tls_dynamic_gnu2_lea_64): Ditto.
744         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
745
746 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
747
748         Backport from mainline
749         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
750
751         * config/i386/i386.c (ix86_address_subreg_operand): Reject
752         stack pointer.
753         (ix86_print_operand_address): Assert that parts.base and parts.index
754         are non-NULL after call to simplify_subreg.
755
756 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
757
758         PR target/33135
759         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
760         description.
761         * config/sh/sh.c (sh_option_override): Do not change
762         flag_finite_math_only.  Set TARGET_IEEE to complement of
763         flag_finite_math_only.
764         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
765         description of mieee and mno-ieee behavior.
766
767 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
768
769         PR target/53877
770         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
771         (_lzcnt_u64): Ditto.
772
773 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
774
775         Backport from mainline
776         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
777
778         PR rtl-optimization/52250
779         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
780         to put note list into.  Unconditionally call move_bb_info.
781         (move_bb_info): Do not assert the blocks being in the same region,
782         just drop the note list if they are not.
783
784 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
785
786         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
787
788 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
789
790         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
791         defining statement is a SSA name that occurs in abnormal PHIs.
792
793 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
794
795         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
796         conversions.
797
798 2012-07-19  Richard Guenther  <rguenther@suse.de>
799             Eric Botcazou  <ebotcazou@adacore.com>
800
801         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
802         about transition from invariant to known bits.
803         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
804
805 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
806
807         PR middle-end/54017
808         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
809         (cleanup_tree_cfg_bb): Don't call it.
810         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
811         handling.
812
813 2012-07-19  Christian Bruel  <christian.bruel@st.com>
814
815         PR target/54029
816         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
817
818 2012-07-18  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
819
820         * config.gcc (v850-*-rtems*): New target.
821         * config/v850/rtems.h: New.
822         * config/v850/t-rtems: New.
823
824 2012-07-18  Nick Clifton  <nickc@redhat.com>
825
826         * doc/invoke.texi (ARM Options): Document -munaligned-access.
827
828 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
829
830         PR target/53961
831
832         Backport from mainline
833         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
834
835         PR target/53110
836         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
837         instead expand it as zero extension.
838
839 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
840
841         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
842         QImode and HImode splitters.  Use ix86_comparison_operator.
843         Explicitly match FLAGS_REG.
844         (DFmode cmove splitter): Explicitly match FLAGS_REG.
845
846 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
847             Steven Bosscher  <steven@gcc.gnu.org>
848             Bernd Schmidt  <bernds@codesourcery.com>
849
850         PR rtl-optimization/53908
851         * df-problems.c (can_move_insns_across): When doing
852         memory-reference book-keeping, handle call insns.
853
854 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
855
856         Backport from mainline
857         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
858
859         PR target/53811
860         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
861         sibcall_insn_operand.  Move it to a temporary register if not.
862
863         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
864
865         PR target/53853
866         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
867         emit PIC sequence for fnaddr symbol reference in advance.
868
869 2012-07-09  Jason Merrill  <jason@redhat.com>
870
871         PR c++/53882
872         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
873         (type_hash_eq): Likewise.
874
875         PR c++/53826
876         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
877
878 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
879
880         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
881         due to negative shift amount.
882
883 2012-07-06  Kai Tietz  <ktietz@redhat.com>
884
885         Backport from mainline.
886         PR bootstrap/52947
887         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
888         as "/mingw/include".
889
890 2012-07-06  Nick Clifton  <nickc@redhat.com>
891
892         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
893         default_encode_section_info.
894
895 2012-07-06  Richard Guenther  <rguenther@suse.de>
896
897         Backport from mainline
898         2012-03-30  Richard Guenther  <rguenther@suse.de>
899
900         PR middle-end/52786
901         * double-int.c (rshift_double): Remove not needed cast.
902
903         2012-03-28  Richard Guenther  <rguenther@suse.de>
904
905         PR middle-end/50708
906         * double-int.h (rshift_double): Remove.
907         * double-int.c (lshift_double): Use absu_hwi to make count
908         positive.
909         (rshift_double): Make static, take unsigned count argument,
910         remove handling of negative count argument.
911         (double_int_rshift): Dispatch to lshift_double.
912
913 2012-07-06  Richard Guenther  <rguenther@suse.de>
914
915         Backport from mainline
916         2012-06-18  Richard Guenther  <rguenther@suse.de>
917
918         PR tree-optimization/53693
919         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
920         Reject operands with more than one use.
921
922 2012-07-06  Richard Guenther  <rguenther@suse.de>
923
924         Backport from mainline
925         2012-04-11  Richard Guenther  <rguenther@suse.de>
926
927         PR middle-end/52621
928         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
929         consider loop nesting.
930         (evolution_function_is_univariate_p): Properly check the remainder
931         for chrecs.
932
933 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
934
935         Backport from mainline
936         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
937
938         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
939         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
940         (adjacent_mem_locations): Move some code to and call...
941         (get_memref_parts): ...new function.
942         (mem_locations_overlap): New function.
943         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
944         (is_mem_ref): Rename to...
945         (find_mem_ref): ...this. Return MEM rtx.
946         (get_store_dest): Remove function.
947         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
948         new parameter and adjust calls.
949         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
950         mem refs overlap for true_store_to_load_dep_costly.
951         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
952         passed to adjacent_mem_locations.
953         (is_costly_group): Walk resolved dependency list.
954         (force_new_group): Emit group ending nop for Power6/Power7.
955         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
956         (group_ending_nop): New define_insn.
957
958 2012-07-04  Richard Guenther  <rguenther@suse.de>
959
960         PR middle-end/53433
961         * gimple-fold.c (get_base_constructor): Do not return an
962         error_mark_node DECL_INITIAL.
963
964 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
965
966         Backport from mainline
967         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
968
969         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
970         code model string in the error message.
971
972 2012-07-04  Tristan Gingold  <gingold@adacore.com>
973
974         Backport from mainline.
975         2012-06-25  Tristan Gingold  <gingold@adacore.com>
976
977         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
978         (seh_cfa_adjust_cfa): ... that function.
979         (seh_emit_stackalloc): Do not emit out of range values.
980         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
981         UNSPEC_DEF_CFA constants.
982         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
983         * config/i386/i386.c (ix86_frame_pointer_required): Required
984         for very large frames on SEH target.
985         (ix86_compute_frame_layout): Save area is before frame pointer
986         on SEH target.  Handle very large frames.
987         (ix86_expand_prologue): Likewise.
988
989 2012-07-04  Richard Guenther  <rguenther@suse.de>
990
991         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
992         as in free_lang_data_in_type.
993
994 2012-07-02  Martin Jambor  <mjambor@suse.cz>
995
996         Backport from mainline.
997         2012-07-02  Martin Jambor  <mjambor@suse.cz>
998
999         PR middle-end/38474
1000         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
1001         dynamic type change check.
1002
1003 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
1004
1005         * tree-eh.c (lower_try_finally_switch): Really put the location of the
1006         last statement of the finally block onto the switch.
1007
1008 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1009
1010         * configure: Regenerate.
1011
1012         Backport from mainline.
1013         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1014
1015         * config.gcc (target_type_format_char): New. Document it. Set it for
1016         arm*-*-* .
1017         * configure.ac (gnu_unique_option): Use target_type_format_char
1018         in test.  Comment rationale.
1019
1020 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1021
1022         Backport from mainline.
1023         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1024
1025         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
1026
1027 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
1028
1029         Backport from 2012-06-28 mainline r189049
1030
1031         PR 53595
1032         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
1033         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
1034         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
1035         avr_hard_regno_call_part_clobbered.
1036
1037 2012-06-28  Richard Guenther  <rguenther@suse.de>
1038
1039         PR middle-end/53790
1040         * expr.c (expand_expr_real_1): Verify if the type is complete
1041         before inspecting its size.
1042
1043 2012-06-27  Nick Clifton  <nickc@redhat.com>
1044
1045         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1046         input operand.
1047
1048 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
1049
1050         PR debug/53682
1051         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1052
1053 2012-06-26  Nick Clifton  <nickc@redhat.com>
1054
1055         * config/rx/rx.md (simple_return): Use the simple_return rtx.
1056
1057 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
1058
1059         PR target/53759
1060         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1061         of x x x in the vmovlps load alternative.
1062
1063 2012-06-22  Richard Guenther  <rguenther@suse.de>
1064
1065         * gcov-iov.c: Include bconfig.h and system.h.
1066
1067 2012-06-22  Richard Guenther  <rguenther@suse.de>
1068
1069         PR gcov-profile/53744
1070         * gcov-iov.c (main): Treat "" and "prerelease" the same.
1071
1072 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
1073
1074         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1075         DECL_IGNORED_P non-reg vars even if they are used.
1076
1077 2012-06-19  Jason Merrill  <jason@redhat.com>
1078
1079         PR c++/52637
1080         * dwarf2out.c (modified_type_die): Use scope_die_for.
1081         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1082         (uses_local_type_r, uses_local_type): New.
1083         (scope_die_for): Keep a type that uses a local type in local scope.
1084         Use get_context_die for namespace and type scope.
1085
1086 2012-06-19  Richard Guenther  <rguenther@suse.de>
1087
1088         PR middle-end/53470
1089         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1090         replace it with the first non-BLOCK context.
1091
1092 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
1093
1094         PR rtl-optimization/53700
1095
1096         Backport from mainline
1097         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
1098
1099         * ira-color.c (setup_left_conflict_sizes_p): Process all
1100         conflicting objects.
1101
1102 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1103
1104         Backport from mainline
1105         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
1106
1107         PR target/52908
1108         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1109         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1110         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1111         instead of xop_mulv2div2di3_low.
1112         (xop_p<macs>dql): Fix vec_select selector.
1113         (xop_p<macs>dqh): Ditto.
1114         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1115         (xop_mulv2div2di3_high): Ditto.
1116
1117 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1118
1119         Backport from mainline:
1120         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1121
1122         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1123
1124 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1125
1126         Backport from mainline:
1127         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1128
1129         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1130         * config/pa/pa.c (pa_attr_length_millicode_call): Use
1131         MAX_PCREL17F_OFFSET instead of fixed offset.
1132         (pa_attr_length_call): Likewise.
1133         (pa_attr_length_indirect_call): Likewise.
1134
1135 2012-06-15  Walter Lee  <walt@tilera.com>
1136
1137         Backport from mainline:
1138         2012-06-15  Walter Lee  <walt@tilera.com>
1139
1140         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1141
1142         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
1143
1144         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1145
1146 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
1147
1148         Backport from mainline:
1149
1150         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1151         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1152         * gimple.h (block_in_transaction): Check for flag_tm.
1153
1154 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
1155
1156         PR tree-optimization/52558
1157
1158         Backport from mainline:
1159         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
1160         * gimple.h (gimple_set_in_transaction): Remove.
1161         (gimple_in_transaction): Look in BB instead.
1162         (gimple_statement_base): Remove in_transaction field.
1163         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1164         * trans-mem.c (compute_transaction_bits): Place transaction bit
1165         information into basic blocks.
1166
1167         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1168
1169         PR tree-optimization/52558
1170         * cfg.c (alloc_aux_for_edge): Fix comment.
1171         (alloc_aux_for_edge): Remove static.
1172         * basic-block.h (alloc_aux_for_edge): Protoize.
1173         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1174         (execute_sm_if_changed_flag): New.
1175         (execute_sm_if_changed_flag_set): New.
1176         (execute_sm): Do not generate data races unless requested.
1177         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1178         (tree_ssa_lim_finalize): Call free_aux_for_edges.
1179         * gimple.h (block_in_transaction): New.
1180         (gimple_in_transaction): Use block_in_transaction.
1181
1182 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
1183
1184         Backported from mainline
1185         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
1186
1187         PR rtl-optimization/53589
1188         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1189         discovery even when e->dest != target.  If any LABEL_REF points
1190         to e->dest label, redirect it to target's label.
1191
1192         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
1193
1194         PR middle-end/53580
1195         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1196         returns false, replace stmt with GIMPLE_NOP.
1197         (check_omp_nesting_restrictions): Instead of issuing warnings,
1198         issue errors and return false if any errors were reported.
1199
1200 2012-06-14  Richard Guenther  <rguenther@suse.de>
1201
1202         * BASE-VER: Set to 4.7.2.
1203         * DEV-PHASE: Set to prerelease.
1204
1205 2012-06-12  Christian Bruel  <christian.bruel@st.com>
1206
1207         PR target/53621
1208         * config/sh/sh.c (sh_option_override): Don't force
1209          flag_omit_frame_pointer and maccumulate_outgoing_args.
1210         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1211
1212 2012-06-14  Release Manager
1213
1214         * GCC 4.7.1 released.
1215
1216 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
1217
1218         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1219
1220 2012-06-13  Richard Henderson  <rth@redhat.com>
1221
1222         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1223         iterator instead of INT.
1224
1225 2012-06-08  Richard Henderson  <rth@redhat.com>
1226
1227         PR c++/53602
1228         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1229         note to a clobber insn when no other insn is available.
1230
1231 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
1232
1233         PR c++/53524
1234         * doc/invoke.texi (Wenum-compare): Update documentation.
1235
1236 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
1237
1238         PR target/53559
1239         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1240         operands.
1241         (altivec_stvlxl): Ditto.
1242         (altivec_stvrx): Ditto.
1243         (altivec_stvrxl): Ditto.
1244
1245 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
1246
1247         PR middle-end/47530
1248         * trans-mem.c (expand_block_edges): Do not skip the first
1249         statement when resetting the BB.
1250
1251 2012-06-04  Richard Guenther  <rguenther@suse.de>
1252
1253         PR middle-end/53471
1254         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1255         create new assembler names.
1256
1257 2012-06-04  Richard Guenther  <rguenther@suse.de>
1258
1259         Backport from mainline
1260         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1261
1262         PR middle-end/52979
1263         * stor-layout.c (get_best_mode): Don't return mode with bitsize
1264         larger than maxbits.  Don't compute maxbits modulo align.
1265         Also check that unit bytes long store at bitpos / unit * unit
1266         doesn't affect bits beyond bitregion_end.
1267         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1268         would not fit into bitregion_start ... bitregion_end + 1 bit
1269         region.
1270         (store_split_bit_field): Decrease unit close to end of bitregion_end
1271         if access is restricted in order to avoid mutual recursion.
1272
1273 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
1274
1275         Backport from 2012-06-04 mainline r188172
1276
1277         PR target/46261
1278         * config/avr/avr-stdint.h: New file.
1279         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1280         newlib-stdint.h
1281
1282 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
1283
1284         PR tree-optimization/53550
1285         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1286         is POINTER_TYPE_P, use sizetype as step type instead of type.
1287
1288 2012-06-04  Richard Guenther  <rguenther@suse.de>
1289             Eric Botcazou  <ebotcazou@adacore.com>
1290
1291         Backport from mainline
1292         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
1293
1294         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1295         Change type of BITOFFSET to signed.  Make sure the lower bound of
1296         the computed range is non-negative by adjusting OFFSET and BITPOS.
1297         (expand_assignment): Adjust call to get_bit_range.
1298
1299         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1300
1301         * expr.c (get_bit_range): Return the null range if the enclosing record
1302         is part of a larger bit field.
1303
1304         2012-03-20  Richard Guenther  <rguenther@suse.de>
1305
1306         * stor-layout.c (finish_bitfield_representative): Fallback
1307         to conservative maximum size if the padding up to the next
1308         field cannot be computed as a constant.
1309         (finish_bitfield_layout): If we cannot compute the distance
1310         between the start of the bitfield representative and the
1311         bitfield member start a new representative.
1312         * expr.c (get_bit_range): The distance between the start of
1313         the bitfield representative and the bitfield member is zero
1314         if the field offsets are not constants.
1315
1316         2012-03-16  Richard Guenther  <rguenther@suse.de>
1317
1318         * stor-layout.c (finish_bitfield_representative): Fall back
1319         to the conservative maximum size if we cannot compute the
1320         size of the tail padding.
1321
1322         2012-03-14  Richard Guenther  <rguenther@suse.de>
1323
1324         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1325         * stor-layout.c (start_bitfield_representative): New function.
1326         (finish_bitfield_representative): Likewise.
1327         (finish_bitfield_layout): Likewise.
1328         (finish_record_layout): Call finish_bitfield_layout.
1329         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1330         for QUAL_UNION_TYPE fields.
1331         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1332         Stream DECL_BIT_FIELD_REPRESENTATIVE.
1333         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1334
1335         PR middle-end/52080
1336         PR middle-end/52097
1337         PR middle-end/48124
1338         * expr.c (get_bit_range): Unconditionally extract bitrange
1339         from DECL_BIT_FIELD_REPRESENTATIVE.
1340         (expand_assignment): Adjust call to get_bit_range.
1341
1342 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1343
1344         PR middle-end/53501
1345         * fold-const.c (fold_binary_loc): Refine previous change.
1346
1347 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1348
1349         Backport from mainline
1350         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
1351
1352         PR target/52667
1353         * config/sh/sh.c (find_barrier): Add equality check of last_got to
1354         avoid going above orig insn.  Update comments.
1355
1356 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1357
1358         Backport from mainline
1359         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1360
1361         PR target/52642
1362         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1363         prologue for unwinder and profiler.
1364
1365 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1366
1367         Backport from mainline
1368         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1369
1370         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1371
1372 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1373
1374         Backport from mainline
1375         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1376
1377         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1378         DBX_REGISTER_NUMBER.
1379
1380 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1381
1382         Backport from mainline
1383         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1384
1385         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1386         operand is CONST_INT.  Take COSTS_N_INSNS into account.
1387         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1388         shiftcosts.     
1389
1390 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1391
1392         * config/avr/avr.opt (-msp8): Document it.
1393         * doc/invoke.texi (AVR Options): Copy from trunk docu.
1394
1395 2012-05-31  Richard Guenther  <rguenther@suse.de>
1396
1397         PR middle-end/48493
1398         * expr.c (expand_assignment): Do not use movmisalign on
1399         non-memory.
1400
1401 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1402
1403         PR target/52999
1404         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1405         (pa_section_type_flags): New.
1406         (pa_legitimate_constant_p): Revert previous change.
1407
1408 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
1409
1410         Backport from mainline
1411         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
1412
1413         PR middle-end/53008
1414         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1415         accessed indirectly.
1416         (ipa_tm_create_version): Same.
1417
1418 2012-05-30  Jason Merrill  <jason@redhat.com>
1419
1420         PR c++/53220
1421         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1422         about array compound literals.
1423
1424 2012-05-30  Richard Guenther  <rguenther@suse.de>
1425
1426         PR middle-end/53501
1427         * fold-const.c (fold_binary_loc): Make sure to call
1428         fold_plusminus_mult_expr with the original sign of operands.
1429
1430 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1431
1432         * explow.c (probe_stack_range): Restore simple control flow and stop
1433         again when the probe cannot be generated if HAVE_check_stack.
1434
1435 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
1436
1437         PR rtl-optimization/53519
1438         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1439         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1440
1441 2012-05-29  Richard Guenther  <rguenther@suse.de>
1442
1443         PR tree-optimization/53516
1444         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1445         bitfield accesses.
1446         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1447
1448 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1449
1450         Backport from mainline
1451         2012-05-28  Richard Guenther  <rguenther@suse.de>
1452
1453         PR tree-optimization/53438
1454         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1455
1456 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1457
1458         Backport from mainline
1459         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1460
1461         PR rtl-optimization/52528
1462         * combine.c (can_combine_p): Add setting of subst_low_luid
1463         before call to expand_field_assignment().
1464
1465 2012-05-26  Martin Jambor  <mjambor@suse.cz>
1466
1467         Backport from mainline
1468         2012-05-23  Martin Jambor  <mjambor@suse.cz>
1469
1470         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1471
1472 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1473
1474         PR lto/52178
1475         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1476         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1477
1478 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1479
1480         PR target/53435
1481         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1482         (ix86_expand_vec_perm): Use int mode instead of float.
1483
1484 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1485
1486         PR ada/52362
1487         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1488         gnu_ld variables to yes.
1489         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1490         (HAVE_GNU_AS): Likewise.
1491         * config.in: Regenerate.
1492         * configure: Likewise.
1493
1494 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1495
1496         Backport from mainline
1497         2012-03-12  Richard Guenther  <rguenther@suse.de>
1498         * config/arm/arm.c (neon_dereference_pointer): Do not call
1499         covert during RTL expansion.
1500
1501 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1502
1503         Backport from mainline
1504         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1505
1506         PR target/53385
1507         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1508         relied on signed overflow behavior.
1509
1510 2012-05-24  Richard Guenther  <rguenther@suse.de>
1511
1512         PR middle-end/53460
1513         * tree-profile.c (tree_profiling): Cleanup the CFG if
1514         execute_fixup_cfg requests it.
1515
1516 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1517
1518         PR tree-optimization/53465
1519         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1520         vr0 into *vr, then vrp_meet that.
1521         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1522         have any equivalences.
1523         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1524         first time.
1525
1526 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1527
1528         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1529         size handling.
1530         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1531         (iterative_hash_gimple_type): Adjust comment.
1532         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1533         domain for an array type instead of the domain type itself.
1534
1535 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1536
1537         Backport from 2012-05-23 mainline r187803
1538
1539         PR target/53448
1540         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1541         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1542         ASM_OUTPUT_ALIGN.
1543
1544 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1545
1546         Backport from 2012-05-03 mainline r187075
1547
1548         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1549         has_fma4 for AMD processors with both fma3 and fma4 support.
1550
1551 2012-05-22  Richard Guenther  <rguenther@suse.de>
1552
1553         PR tree-optimization/53408
1554         * tree-vect-loop.c (vectorizable_induction): Properly check
1555         the restriction that we cannot handle induction results from
1556         the inner loop outside of the outer loop.
1557
1558 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1559
1560         PR tree-optimization/53436
1561         * omp-low.c (omp_build_component_ref): New function.
1562         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1563
1564         PR tree-optimization/53366
1565         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1566         tests if complex_numbers == 2, but there are non-complex number loads
1567         too.
1568
1569         PR tree-optimization/53409
1570         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1571         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1572
1573         PR tree-optimization/53410
1574         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1575         instead of build_int_cst (type, 0) where vector types might be
1576         involved.
1577
1578 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1579
1580         PR c/53418
1581         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1582         from folded operands before wrapping another around the
1583         conditional expression.
1584
1585 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
1586             Patrick Marlier  <patrick.marlier@gmail.com>
1587
1588         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1589         indirect calls.
1590
1591 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1592
1593         Backport from mainline
1594         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1595
1596         PR target/53416
1597         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1598         (UNSPECV_RDRAND): This.
1599         (rdrand<mode>_1): Updated.
1600
1601 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1602
1603         Backport from mainline
1604         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1605
1606         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1607         RDRND, F16C and FSGSBASE.
1608
1609 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1610
1611         Backport from mainline
1612         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1613
1614         * tree-ssa-pre.c (can_value_number_call): Delete.
1615         (compute_avail): Skip all statements with side effects.
1616         <GIMPLE_CALL>: Skip calls to internal functions.
1617
1618 2012-05-18  David S. Miller  <davem@davemloft.net>
1619
1620         Backport r185385 from mainline
1621         2012-03-14  Richard Guenther  <rguenther@suse.de>
1622
1623         PR middle-end/52584
1624         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1625         element type instead of mode, use build_vector_type_for_mode
1626         instead of the langhook, build a vector of proper signedness.
1627         (expand_vector_operations_1): Adjust.
1628
1629 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1630
1631         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1632         $(libsubdir) as libexecsubdir.
1633
1634 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1635
1636         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1637         GIMPLE_ASSIGN.
1638
1639 2012-05-16  David S. Miller  <davem@davemloft.net>
1640
1641         * jump.c (delete_related_insns): If we remove a CALL, make sure
1642         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1643
1644 2012-05-16  Richard Henderson  <rth@redhat.com>
1645
1646         PR debug/52727
1647         * combine-stack-adj.c (prev_active_insn_bb): New.
1648         (next_active_insn_bb): New.
1649         (force_move_args_size_note): New.
1650         (combine_stack_adjustments_for_block): Use it.
1651
1652 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1653
1654         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1655         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1656         Add comments and improve stamp preservation across the whole sequence.
1657         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1658
1659 2012-05-16  Richard Guenther  <rguenther@suse.de>
1660
1661         PR tree-optimization/53364
1662         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1663         detect a view-conversion of the decl.
1664
1665 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1666
1667         PR target/53358
1668         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1669         that operands[2] is either immediate, or q_regs_operand.
1670
1671 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1672
1673         Backport r187139 from mainline.
1674         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1675
1676         PR rtl-optimization/52804
1677         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1678         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1679         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1680         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1681         RELOAD_FOR_OUTADDR_ADDRESS.
1682
1683 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1684
1685         PR target/46098
1686         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1687         generate target register for "load" class builtins.
1688
1689         Revert:
1690         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1691
1692         PR target/46098
1693         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1694         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1695         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1696         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1697         (<sse>_movu<ssemodesuffix>): New expander.
1698         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1699         (avx_movdqu<avxmodesuffix>): New expander.
1700         (*sse2_movdqu): Rename from sse2_movdqu.
1701         (sse2_movdqu): New expander.
1702
1703 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1704
1705         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1706         lineno 1 the same as lineno 0 before first start file directive.
1707         (optimize_macinfo_range): Likewise.
1708
1709         * dwarf2out.c (have_macinfo): Define.
1710         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1711         attribute, don't force empty compilation unit and don't emit any
1712         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1713
1714 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1715
1716         Backport from mainline
1717         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1718
1719         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1720         ORDERED and UNORDERED conditions.
1721
1722 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1723
1724         * function.c (requires_stack_frame_p): If the function can throw
1725         non-call exceptions, return true if the insn can throw internally.
1726
1727 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1728
1729         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1730         DECL_ORIGINAL_TYPE if it is present.
1731
1732 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1733
1734         Backport from 2012-05-12 mainline r187342.
1735
1736         PR target/53256
1737         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1738         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1739         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1740         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1741         (expand_prologue): Move initialization of cfun->machine->is_naked,
1742         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1743         (avr_set_current_function): ...this new static function.
1744         (TARGET_SET_CURRENT_FUNCTION): New define.
1745         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1746         checking attributes of current_function_decl.
1747         (avr_regs_to_save): Ditto.
1748         (signal_function_p): Rename to avr_signal_function_p.
1749         (interrupt_function_p): Rename to avr_interrupt_function_p.
1750
1751         * doc/extend.texi (Function Attributes): Better explanation of
1752         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1753         alphabetical order.
1754
1755 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1756
1757         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1758
1759 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1760
1761         PR target/53272
1762         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1763         when a constant source operand matches an "I" constraint, the "no
1764         CC0 change" applies to a register-destination only, not a
1765         strict_low_part-destination.
1766
1767 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1768
1769         Backport from mainline:
1770         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1771
1772         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1773
1774 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1775
1776         PR tree-optimization/53239
1777         * tree-vrp.c (get_value_range): Set VR of
1778         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1779         to nonnull.
1780
1781 2012-05-07  Richard Guenther  <rguenther@suse.de>
1782
1783         PR tree-optimization/53195
1784         * tree-inline.c (setup_one_parameter): Properly add referenced
1785         vars from the parameters new known value.
1786
1787 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1788
1789         Backport from mainline:
1790         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1791
1792         PR target/52999
1793         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1794         in constant pool.
1795
1796 2012-05-04  Ian Lance Taylor  <iant@google.com>
1797
1798         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1799         values from false to NULL.
1800
1801 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1802
1803         Backport from mainline
1804         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1805
1806         PR target/53228
1807         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1808         (TARGET_CMOV): Rename from TARGET_CMOVE.
1809         (TARGET_CMOVE): New define.
1810         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1811         Do not set TARGET_CMOVE here.
1812
1813 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1814
1815         Backport from mainline:
1816
1817         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1818
1819         PR tree-optimization/52633
1820         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1821         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1822         (vect_recog_over_widening_pattern): Remove handling of code that was
1823         already detected as over-widening pattern.  Remove special handling
1824         of "unsigned" cases.  Instead, support general case of conversion
1825         of the shift result to another type.
1826
1827         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1828
1829         * tree-vect-patterns.c (vect_single_imm_use): New function.
1830         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1831         (vect_recog_over_widening_pattern): Likewise.
1832         (vect_recog_widen_shift_pattern): Likewise.
1833
1834         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1835
1836         PR tree-optimization/52870
1837         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1838         presumed pattern statement is within the same loop or basic block.
1839
1840 2012-05-04  Richard Guenther  <rguenther@suse.de>
1841
1842         * common.opt (flto-report): Do not mark as Optimization.
1843
1844 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1845
1846         PR target/48496
1847         * recog.c (constrain_operands): If extra constraints are present, also
1848         accept pseudo-registers with equivalent memory locations during reload.
1849
1850 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1851
1852         Backport from the mainline
1853         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1854
1855         PR target/53199
1856         * config/rs6000/rs6000.md (bswapdi splitters): If
1857         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1858         default) is used, generate an alternate sequence that does not
1859         depend on using indexed addressing.
1860
1861 2012-05-03  David S. Miller  <davem@davemloft.net>
1862
1863         PR target/52684
1864         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1865         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1866         (sparc_emit_float_lib_cmp): Likewise.
1867
1868 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1869
1870         Backport from mainline
1871         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1872
1873         PR lto/52605
1874         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1875         of a variable when the contect is a function.
1876
1877 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1878
1879         PR plugins/53126
1880         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1881         append program name to it and pass that as first argument
1882         to make_relative_prefix.  Always pass standard_libexec_prefix
1883         as last argument to make_relative_prefix.  If
1884         make_relative_prefix returns NULL, fall back to
1885         standard_libexec_prefix.
1886
1887         PR debug/53174
1888         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1889         removed.
1890
1891         PR target/53187
1892         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1893         mode, return that mode.
1894
1895 2012-05-03  Richard Guenther  <rguenther@suse.de>
1896
1897         PR tree-optimization/53144
1898         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1899         Rename to ...
1900         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1901         with SSA name values.
1902         (vn_reference_lookup_3): Adjust callers.
1903
1904 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1905
1906         PR tree-optimization/53163
1907         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1908         return value from compute_all_dependences.
1909
1910         PR rtl-optimization/53160
1911         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1912         has been modified by ree pass already.
1913
1914 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1915
1916         Backport from mainline
1917         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1918
1919         PR middle-end/53136
1920         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1921         calls to cgraph_node_name in xstrdup.
1922         (ipa_make_edge_direct_to_target): Ditto.
1923         * tree-sra.c (convert_callers_for_node): Ditto.
1924         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1925         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1926         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1927         (cgraph_materialize_all_clones): Ditto.
1928         * ipa-inline.c (report_inline_failed_reason): Ditto.
1929         (want_early_inline_function_p): Ditto.
1930         (edge_badness): Ditto.
1931         (update_edge_key): Ditto.
1932         (flatten_function): Ditto.
1933         (ipa_inline): Ditto.
1934         (inline_always_inline_functions): Ditto.
1935         (early_inline_small_functions): Ditto.
1936
1937 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1938
1939         Backport from mainline
1940         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1941
1942         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1943         Introduce emul_name to select the right linker emulation for
1944         powerpc64-*-freebsd*.
1945         * configure: Regenerate.
1946         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1947         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1948         * config/rs6000/freebsd64.h: New file.
1949         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1950         POWERPC_FREEBSD.
1951         (rs6000_savres_strategy): Likewise.
1952         (rs6000_savres_routine_name): Likewise.
1953         (rs6000_elf_file_end): Likewise.
1954         * config/rs6000/t-freebsd64: New file.
1955         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1956         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1957
1958 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1959
1960         Backport from mainline
1961         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1962
1963         PR target/53138
1964         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1965
1966 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1967
1968         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1969         predicate to discriminate types.
1970
1971 2012-04-27  Richard Guenther  <rguenther@suse.de>
1972
1973         PR c/51527
1974         * convert.c (convert_to_integer): Avoid infinite recursion for
1975         target-defined built-in types.
1976
1977 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1978
1979         PR target/53120
1980         * config/cris/cris.md ("*andhi_lowpart_v32")
1981         ("*andqi_lowpart_v32"): Change first input-only operand from
1982         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1983         const_int-matching constraints for redundancy.
1984         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1985         three-operand alternative.
1986
1987 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1988
1989         Backport from mainline
1990         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1991
1992         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1993         (*addsi_2_zext): Ditto.
1994         (*add<mode>_3): Ditto.
1995         (*addsi_3_zext): Ditto.
1996         (*add<mode>_5): Ditto.
1997
1998 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1999
2000         PR c/52880
2001         * c-typeck.c (set_nonincremental_init,
2002         set_nonincremental_init_from_string): Pass true instead of false
2003         as IMPLICIT to add_pending_init.
2004
2005 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
2006
2007         Backport from 2012-04-24 mainline r186768.
2008
2009         PR target/53065
2010         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
2011
2012 2012-04-24  Richard Guenther  <rguenther@suse.de>
2013
2014         PR tree-optimization/53085
2015         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
2016         stores.
2017
2018 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
2019
2020         PR middle-end/53084
2021         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
2022         of MEM_REF.
2023         (output_addressed_constants): Likewise.
2024
2025         PR middle-end/52999
2026         * varasm.c (get_section): Don't ICE for section conflicts with
2027         built-in section kinds.
2028
2029 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
2030
2031         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
2032
2033 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
2034
2035         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
2036
2037 2012-04-23  Richard Guenther  <rguenther@suse.de>
2038
2039         PR c/53060
2040         * c-typeck.c (build_binary_op): Fix typo.
2041
2042 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
2043
2044         PR tree-optimizations/52891
2045         * tree-vect-patterns.c (adjust_bool_pattern): Use
2046         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2047         but with non-standard precision.
2048
2049 2012-04-22  Ian Lance Taylor  <iant@google.com>
2050
2051         * godump.c (go_output_typedef): Dump size of structs.
2052
2053 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
2054
2055         Backport from mainline:
2056
2057         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2058         hints for 'A' operand types.
2059
2060 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
2061
2062         Backport from 2012-04-19 mainline r186588.
2063
2064         PR target/53033
2065         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2066         the case *(X+const).
2067
2068 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
2069
2070         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2071
2072 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
2073
2074         PR target/53020
2075         * config/i386/sync.md (atomic_<code><mode>): Rename to
2076         atomic_<logic><mode>.
2077
2078 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
2079
2080         Backport from mainline
2081         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
2082
2083         PR target/52932
2084         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2085         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
2086         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2087         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2088         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2089         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2090         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2091         gen_avx2_permvarv8sf.
2092
2093 2012-04-16  Martin Jambor  <mjambor@suse.cz>
2094
2095         Backported from mainline
2096
2097         2012-04-13  Martin Jambor  <mjambor@suse.cz>
2098         PR middle-end/52939
2099
2100         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2101         fold_ctor_reference returns a zero constant.
2102
2103 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2104
2105         Backported from mainline
2106         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2107
2108         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2109         and __ILP32__ for x32.
2110
2111 2012-04-13  Tom de Vries  <tom@codesourcery.com>
2112
2113         Backport from mainline r186418.
2114
2115         2012-04-13  Tom de Vries  <tom@codesourcery.com>
2116
2117         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2118         parameters vuse and vuse_escaped.
2119         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
2120         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
2121         vuse1 != vuse2.
2122
2123 2012-04-13  Richard Guenther  <rguenther@suse.de>
2124
2125         PR tree-optimization/52969
2126         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2127         the condition for the COND_EXPR and handle predicate negation
2128         by swapping the COND_EXPR arms.
2129
2130 2012-04-13  Richard Guenther  <rguenther@suse.de>
2131
2132         PR c/52862
2133         * convert.c (convert_to_pointer): Remove special-casing of
2134         zero.
2135
2136 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2137
2138         Backport from mainline
2139         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2140
2141         PR target/52775
2142         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2143         the list of options to enable the FCFID instruction.
2144         (TARGET_EXTRA_BUILTINS): Adjust comment.
2145
2146 2012-04-12  Richard Guenther  <rguenther@suse.de>
2147
2148         PR tree-optimization/52943
2149         * tree-chrec.h (chrec_is_positive): Remove.
2150         * tree-scalar-evolution.c (chrec_is_positive): Move ...
2151         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
2152         Return false for a constant zero instead of negative.
2153         (analyze_siv_subscript_cst_affine): Handle zero difference
2154         in the initial condition explicitely.
2155
2156 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2157
2158         PR middle-end/52894
2159         * varasm.c (process_pending_assemble_externals): Set
2160         pending_assemble_externals_processed true.
2161         (assemble_external): Call assemble_external_real if the pending
2162         assemble externals have been processed.
2163
2164 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2165
2166         PR target/52717
2167         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2168         the DECL generated for the special GOT helper.
2169
2170 2012-04-06  Walter Lee  <walt@tilera.com>
2171
2172         Backport from mainline
2173         2012-03-07  Walter Lee  <walt@tilera.com>
2174
2175         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2176         REG_CFA_* notes for the stack pointer.
2177         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2178         EH_RETURN_STACKADJ_RTX.
2179         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2180         generate REG_CFA_* notes for the stack pointer.
2181         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2182         by EH_RETURN_STACKADJ_RTX.
2183
2184 2012-04-06  Matt Turner  <mattst88@gmail.com>
2185
2186         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2187
2188 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
2189
2190         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2191         of the destination isn't also a FP_REGS register.
2192
2193 2012-04-03  Richard Guenther  <rguenther@suse.de>
2194
2195         Backport from mainline
2196         2012-03-02  Richard Guenther  <rguenther@suse.de>
2197
2198         PR tree-optimization/52406
2199         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2200         (struct indices): Add unconstrained_base member.
2201         (struct dr_alias): Remove unused vops member.
2202         (DR_UNCONSTRAINED_BASE): New define.
2203         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2204         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
2205         be an artificial access that covers the whole indexed object,
2206         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
2207         plain decl base-objects to their MEM_REF variant.
2208         (dr_may_alias_p): When the base-object of either data reference
2209         has unknown size use only points-to information.
2210         (compute_affine_dependence): Make dumps easier to read and
2211         more verbose.
2212         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2213         DR_REF when looking for packed references.
2214         (vect_supportable_dr_alignment): Likewise.
2215
2216 2012-04-03  Richard Guenther  <rguenther@suse.de>
2217
2218         Backport from mainline
2219         2012-03-15  Richard Guenther  <rguenther@suse.de>
2220
2221         PR middle-end/52580
2222         * tree-data-ref.c (subscript_dependence_tester_1): Check
2223         all dimensions for non-conflicting access functions.
2224
2225 2012-04-03  Richard Guenther  <rguenther@suse.de>
2226
2227         Backport from mainline
2228         2012-03-06  Richard Guenther  <rguenther@suse.de>
2229
2230         PR middle-end/52493
2231         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2232
2233         2012-03-23  Richard Guenther  <rguenther@suse.de>
2234
2235         PR tree-optimization/52678
2236         * tree-vectorizer.h (struct _stmt_vec_info): Add
2237         loop_phi_evolution_part member.
2238         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2239         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2240         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2241         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2242         Use the cached evolution part and the PHI nodes value from
2243         the loop preheader edge instead of re-analyzing the evolution.
2244
2245         2012-03-26  Richard Guenther  <rguenther@suse.de>
2246
2247         PR tree-optimization/52701
2248         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2249         compute and set the evolution part of PHI nodes.
2250
2251         2012-03-30  Richard Guenther  <rguenther@suse.de>
2252
2253         PR tree-optimization/52754
2254         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2255         propagate arbitrary addresses into really plain dereferences.
2256
2257 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
2258
2259         PR tree-optimization/52835
2260         * tree-data-ref.c (build_rdg): Return NULL if
2261         compute_data_dependences_for_loop failed.
2262
2263 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
2264
2265         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2266         (stmt_can_make_abnormal_goto): Use it.
2267         (is_ctrl_altering_stmt): Likewise.
2268
2269 2012-03-31  Martin Jambor  <mjambor@suse.cz>
2270
2271         Backported from mainline
2272         2012-03-30  Martin Jambor  <mjambor@suse.cz>
2273
2274         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2275         is a builtin_stack_save in a dominating BB.
2276
2277 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2278
2279         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2280         crossing 128bit lane boundary.
2281
2282 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2283
2284         Backported from mainline
2285         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
2286
2287         PR target/52698
2288         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2289         New prototype.
2290         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2291         * config/i386/i386.c: Include reload.h.
2292         (ix86_legitimize_reload_address): New function.
2293
2294 2012-03-28  Martin Jambor  <mjambor@suse.cz>
2295
2296         Backported from mainline
2297         2012-03-27  Martin Jambor  <mjambor@suse.cz>
2298
2299         PR middle-end/52693
2300         * tree-sra.c (sra_modify_assign): Do not call
2301         load_assign_lhs_subreplacements when working with an unscalarizable
2302         region.
2303
2304 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2305
2306         PR middle-end/52691
2307         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2308         __builtin_va_start to __builtin_next_arg if the latter is
2309         builtin_decl_explicit_p rather than when it is not.
2310
2311         PR middle-end/52750
2312         * tree-vect-generic.c (vector_element): Perform multiplication
2313         for pos in bitsizetype type instead of idx type.
2314
2315 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2316
2317         Backport from 2012-03-28 mainline r185910.
2318
2319         PR target/52692
2320         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2321         (avr_builtin_decl): New static function.
2322         (struct avr_builtin_description, avr_bdesc): Move up.
2323         Add GTY marker. Add field fndecl. Remove redundant field id.
2324         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2325         (avr_expand_builtin): Code cleanup because .id is removed.
2326
2327 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
2328
2329         PR middle-end/51893
2330         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2331         targets.
2332
2333 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2334
2335         Backport from 2012-03-28 mainline r185907.
2336
2337         PR target/52737
2338         * config.gcc (tm_file): Remove avr/multilib.h.
2339
2340         * doc/invoke.texi (AVR Options): Adjust
2341         documentation of -mtiny-stack.
2342
2343         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2344         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2345         * config/avr/t-avr: Remove generation of multilib.h.
2346         * config/avr/t-multilib: Regenerate.
2347         * config/avr/multilib.h: Remove.
2348         * config/avr/avr.opt (-msp8): New option.
2349         (avr_sp8): New variable.
2350         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2351         * config/avr/avr.h (AVR_HAVE_SPH): New define.
2352         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2353         (avr_device_to_sp8): New prototype.
2354         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2355         (DRIVER_SELF_SPECS): New define.
2356         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2357         __AVR_SP8__, __AVR_HAVE_SPH__.
2358         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2359         AVR_HAVE_8BIT_SP to decide if SP_H is present.
2360         (avr_file_start): Ditto.
2361
2362 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2363
2364         PR target/52736
2365         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2366         instead of 8 in adjust_address.
2367
2368 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
2369
2370         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2371         of a unit before computing the offset in units.
2372
2373 2012-03-27  Richard Guenther  <rguenther@suse.de>
2374
2375         PR middle-end/52720
2376         * fold-const.c (try_move_mult_to_index): Handle &x.array more
2377         explicitely.
2378
2379 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2380
2381         PR target/52610
2382         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2383
2384 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
2385
2386         PR middle-end/52640
2387         * varasm.c: Include pointer-set.h.
2388         (pending_assemble_externals_set): New pointer set.
2389         (process_pending_assemble_externals): Destroy the pointer set.
2390         (assemble_external): See if decl is in pending_assemble_externals_set,
2391         and add it to pending_assemble_externals if necessary.
2392         (init_varasm_once): Allocate pending_assemble_externals_set.
2393
2394 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2395
2396         Backported from mainline
2397         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2398
2399         PR target/50310
2400         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2401         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2402         (vector_ltgt<mode>): Likewise.
2403         (vector_ordered<mode>): Likewise.
2404         (vector_unordered<mode>): Likewise.
2405         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2406
2407 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
2408
2409         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2410         Make static.
2411
2412 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2413
2414         Backported from mainline
2415         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
2416
2417         PR target/48596
2418         PR target/48806
2419         * config/sh/sh.c (sh_register_move_cost): Increase cost between
2420         GENERAL_REGS and FP_REGS for SImode.
2421
2422 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2423
2424         PR middle-end/52547
2425         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2426         on any new_local_var_chain vars declared during recursing on
2427         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2428
2429 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2430
2431         Backport from 2012-03-22 mainline r185692.
2432
2433         PR target/52496
2434         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2435         (unspecv): Add UNSPECV_MEMORY_BARRIER.
2436         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2437         (delay_cycles_1, delay_cycles_2): Ditto.
2438         (delay_cycles_3, delay_cycles_4): Ditto.
2439         (nopv, *nopv): Ditto.
2440         (sleep, *sleep): Ditto.
2441         (wdr, *wdr): Ditto.
2442
2443         Backport from 2012-03-21 mainline r185605.
2444
2445         PR rtl-optimization/52543
2446         PR target/52461
2447         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2448         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2449         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2450         (avr_load_libgcc_p): Restrict to __flash loads.
2451         (avr_out_lpm): Only handle 1-byte loads from __flash.
2452         (avr_load_lpm): New function.
2453         (avr_find_unused_d_reg): Remove.
2454         (avr_out_lpm_no_lpmx): Remove.
2455         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2456         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2457         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2458         (load_<mode>, load_<mode>_clobber): New insns.
2459         (mov<mode>): For multi-byte move from non-generic
2460         16-bit address spaces: Expand to load_<mode> resp.
2461         load_<mode>_clobber.
2462         (load<mode>_libgcc): Remove expander.
2463         (split-lpmx): Remove split.
2464
2465         Backport from 2012-03-13 mainline r185329.
2466
2467         PR target/52488
2468         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2469         offset (size) to a value the insns can deal with.
2470         (expand_epilogue): Ditto.
2471
2472         Backport from 2012-03-12 mainline r185256.
2473
2474         PR target/52499
2475         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2476         type from reg_class_t to enum reg_class.
2477         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2478
2479         Backport from 2012-03-12 mainline r185253.
2480
2481         PR target/52148
2482         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2483         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2484         r184615 from 2012-02-28.
2485
2486         Backport from 2012-03-08 mainline r185105.
2487
2488         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2489         for constants in [-63,63].
2490
2491         Backport from 2012-03-08 mainline r185100.
2492
2493         PR target/52496
2494         * config/avr/avr.c (avr_mem_clobber): New static function.
2495         (avr_expand_delay_cycles): Add memory clobber operand to
2496         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2497         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2498         (enable_interrupt, disable_interrupt): New expander.
2499         (nopv, sleep, wdr): New expanders.
2500         (delay_cycles_1): Add memory clobber.
2501         (delay_cycles_2): Add memory clobber.
2502         (delay_cycles_3): Add memory clobber.
2503         (delay_cycles_4): Add memory clobber.
2504         (cli_sei): New insn from former "enable_interrupt",
2505         "disable_interrupt" with memory clobber.
2506         (*wdt): New insn from former "wdt" with memory clobber.
2507         (*nopv): Similar, but for "nopv".
2508         (*sleep): Similar, but for "sleep".
2509
2510         Backport from 2012-03-07 mainline r185043.
2511
2512         PR target/52484
2513         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2514
2515         Backport from 2012-03-07 mainline r185032.
2516
2517         PR target/52506
2518         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2519         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2520         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2521
2522         Backport from 2012-03-07 mainline r185031.
2523
2524         PR target/52505
2525         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2526         from RAM.
2527         * config/avr/avr.md (xload_8): Adjust insn length.
2528
2529         Backport from 2012-03-07 mainline r185030.
2530
2531         PR target/52461
2532         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2533         if RAMPZ affects reading from RAM.
2534
2535         Backport from 2012-03-05 mainline r184919.
2536
2537         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2538
2539 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2540
2541         Backport from mainline r185259.
2542
2543         PR other/52545
2544         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2545         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2546
2547 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2548
2549         Backported from mainline
2550         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
2551
2552         PR c/52577
2553         * c-parser.c (c_parser_postfix_expression)
2554         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2555
2556         * config/i386/smmintrin.h: Avoid /* within a comment.
2557         * config/i386/nmmintrin.h: Likewise.
2558
2559 2012-03-22  Richard Guenther  <rguenther@suse.de>
2560
2561         * BASE-VER: Set to 4.7.1.
2562         * DEV-PHASE: Set to prerelease.
2563
2564 2012-03-22  Release Manager
2565
2566         * GCC 4.7.0 released.
2567
2568 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2569
2570         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2571
2572 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
2573             Andrew Pinski  <apinski@cavium.com>
2574
2575         PR middle-end/52592
2576         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2577         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2578         calls instead of __builtin_ir{int,ound}*.
2579
2580 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
2581
2582         PR c++/52582
2583         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2584         if c_node is NULL.
2585
2586 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2587
2588         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2589         Refer to GCC 4.7 version of c99status.html.
2590
2591 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2592
2593         Backport from mainline
2594         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2595
2596         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2597         redefine to be NULL if the current bit-size is different from the
2598         configured bit-size.
2599
2600         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2601         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2602         set the default tuning.  Add asserts to make sure the cpu and tune
2603         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2604         test whether the index is set, instead of > 0.
2605         (rs6000_file_start): Do not reset the default cpu if the current
2606         bit-size is different from the configured bit-size.
2607
2608 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2609
2610         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2611         binutils reference.
2612         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2613         Update binutils references.
2614         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2615         Update binutils reference.
2616         Update Sun as/GNU ld caveat.
2617         Document binutils largefile requirement for LTO plugin.
2618         Remove reference to alternate libpthread.
2619
2620 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2621
2622         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2623         reference.
2624         (Specific, mips-sgi-irix6): Likewise.
2625
2626 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2627
2628         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2629         * configure: Regenerate.
2630
2631 2012-03-07  Richard Henderson  <rth@redhat.com>
2632
2633         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2634         * config/m68k/sync.md (atomic_test_and_set): Use it.
2635         (atomic_test_and_set_1): Likewise.
2636
2637 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
2638
2639         PR target/51417
2640         * Makefile.in: Let install-gcc-ar depend on installdirs,
2641         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2642         Don't double canonicalize if cross-compiling.
2643
2644 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2645
2646         * trans-mem.c: New typedef for tm_region_p.
2647         Define vector types for tm_region_p.
2648         (tm_region_init): Replace region_worklist to a vector called
2649         bb_regions.
2650
2651 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2652
2653         PR middle-end/52463
2654         * trans-mem.c (tm_region_init): Use last_basic_block.
2655
2656 2012-03-05  Richard Henderson  <rth@redhat.com>
2657
2658         PR tree-opt/52242
2659         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2660         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2661         BIGGEST_ALIGNMENT is aligned.
2662
2663 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2664
2665         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2666
2667 2012-03-05  Richard Henderson  <rth@redhat.com>
2668
2669         PR target/52481
2670         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2671         instead of calling negqi2 directly.
2672
2673 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2674
2675         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2676         (INTMAX_TYPE): Use it.
2677         (UINTMAX_TYPE): Likewise.
2678         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2679         (irix6_c_common_override_options): Declare.
2680         (C_COMMON_OVERRIDE_OPTIONS): Define.
2681         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2682         * config/mips/irix6-c.c: New file.
2683         * config/mips/t-irix6 (irix6-c.o): New target.
2684         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2685         cxx_target_objs.
2686
2687 2012-03-02  Richard Henderson  <rth@redhat.com>
2688
2689         * optabs.c (expand_atomic_test_and_set): Honor
2690         atomic_test_and_set_trueval even when atomic_test_and_set
2691         optab is not in use.
2692
2693 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2694
2695         Backport from mainline
2696         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2697
2698         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2699
2700 2012-03-02  Richard Guenther  <rguenther@suse.de>
2701
2702         * DEV-PHASE: Set to prerelease.
2703
2704 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2705
2706         * config.gcc (obsolete): Add all ARM targets using the FPA.
2707         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2708         * doc/install.texi: Avoid references to obsolete ARM ports.
2709
2710 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2711
2712         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2713
2714 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2715             Joern Rennecke  <joern.rennecke@embecosm.com>
2716
2717         * doc/extend.texi: Expand and update information on interrupt
2718         attribute for Epiphany.
2719
2720 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2721
2722         * config/sh/sh-protos.h: Update copyright notice dates.
2723         * config/sh/sh.h: Likewise.
2724         * config/sh/sh.md: Likewise.
2725         * config/sh/constraints.md: Likewise.
2726         * config/sh/predicates.md: Likewise.
2727
2728 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2729
2730         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2731         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2732
2733 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2734
2735         * config/sh/constraints.md: Fix comment typo.
2736
2737 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2738
2739         PR target/52408
2740         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2741         unsigned HOST_WIDE_INT.
2742         (zvdep_imm64): Likewise.
2743         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2744         (vdepi_and): Likewise.
2745         Likewise for unamed 64-bit patterns.
2746         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2747
2748 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2749
2750         PR debug/52001
2751         PR rtl-optimization/52417
2752         * cselib.c (cselib_any_perm_equivs): New variable.
2753         (cselib_reset_table): Check that it's not set when not
2754         preserving constants.
2755         (cselib_add_permanent_equiv): Set it.
2756         (cselib_have_permanent_equivalences): New.
2757         (cselib_init, cselib_finish): Reset it.
2758         * cselib.h (cselib_have_permanent_equivalences): Declare.
2759         * alias.c (get_addr): Restore earlier behavior when there
2760         aren't permanent equivalences.
2761
2762 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2763
2764         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2765         * config/v850/v850-modes.def: Fix copyright notice.
2766
2767 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2768
2769         * doc/extend.texi (AVR Built-in Functions): Document
2770         __builtin_avr_flash_segment.
2771
2772         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2773         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2774         (*split.flash_segment): New insn-and-split.
2775         * config/avr/avr.c (avr_init_builtins): Add local variables:
2776         const_memx_void_node, const_memx_ptr_type_node,
2777         char_ftype_const_memx_ptr.
2778
2779 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2780
2781         PR tree-optimization/52445
2782         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2783         add ssa_name_ver, offset and size fields and change store field
2784         to bool.
2785         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2786         (add_or_mark_expr): Likewise.  Only consider previous stores
2787         with the same size and offset.
2788         (nt_init_block): Only look at gimple_assign_single_p stmts,
2789         doesn't look at rhs2.
2790
2791 2012-03-01  Richard Guenther  <rguenther@suse.de>
2792
2793         PR middle-end/52443
2794         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2795         conversions from integral types to pointer types.
2796
2797 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2798
2799         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2800         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2801         unintentionally removed in r184616.
2802
2803 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2804
2805         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2806         3DNow from bdver1.
2807
2808 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2809             Uros Bizjak  <ubizjak@gmail.com>
2810
2811         PR target/52437
2812         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2813         alternatives, add "e" constraint to the new last alternative
2814         and ! to last 3 alternatives.
2815
2816 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2817
2818         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2819         DW_AT_artificial attributes at the end of the processing.
2820         (gen_array_type_die): Likewise.
2821         (gen_enumeration_type_die): Likewise.
2822         (gen_struct_or_union_type_die): Likewise.
2823         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2824         the parent type.
2825
2826 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2827
2828         PR middle-end/52419
2829         * expr.c (expand_assignment): If doing misaligned store that doesn't
2830         cover all mode bits, perform a RMW cycle.
2831
2832         PR tree-optimization/52429
2833         * tree-parloops.c (separate_decls_in_region_debug): Return early
2834         if var is LABEL_DECL.
2835
2836 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2837
2838         PR tree-optimization/52424
2839         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2840         calling dom_thread_across_edge.
2841
2842 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2843
2844         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2845
2846 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2847
2848         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2849         * config/avr/avr.c (avr_output_bld): Remove unused function.
2850         (avr_out_sbxx_branch): Use "%T" to print bit position.
2851
2852 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2853
2854         * config/avr/avr.md: Untabify.
2855
2856 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2857
2858         * config/avr/avr.md (eqne): New code iterator.
2859         (*dec-and-branchsi): Use it in text peephole's condition.
2860         (*dec-and-branchhi): Ditto.
2861         (*dec-and-branchqi): Ditto.
2862
2863 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2864
2865         PR target/49939
2866         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2867         the device does not have the skip-bug.
2868
2869 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2870
2871         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2872         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2873         -mpretend-cmove): New.
2874
2875 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2876
2877         PR bootstrap/52397
2878         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2879         doesn't count DEBUG_INSN refs.
2880         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2881         for DEBUG_INSN refs.
2882
2883 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2884
2885         Partially revert:
2886
2887         2012-02-20  Richard Guenther  <rguenther@suse.de>
2888         PR tree-optimization/52298
2889         * tree-vect-stmts.c (vectorizable_load): Properly use
2890         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2891         outer loops.
2892
2893 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2894
2895         PR middle-end/51752
2896         * gimple.h (gimple_in_transaction): New.
2897         (gimple_set_in_transaction): New.
2898         (struct gimple_statement_base): Add in_transaction field.
2899         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2900         transaction loads.
2901         (tree_ssa_lim_initialize): Compute transaction bits.
2902         * tree.h (compute_transaction_bits): Protoize.
2903         * trans-mem.c (tm_region_init): Use the heap to store BB
2904         auxilliary data.
2905         (compute_transaction_bits): New.
2906
2907 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2908
2909         * gcc.c (display_help): Document --help=common and sort entries
2910         alphabetically.
2911
2912 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2913
2914         * doc/install.texi: Document check-$LANG specific shortcuts
2915
2916 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2917
2918         PR target/51534
2919         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2920         and vcgtu.
2921         * config/arm/arm_neon.h: Regenerate.
2922         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2923         (neon_vcgeu): New insn.
2924         (neon_vcgtu): Likewise.
2925         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2926         (ops): Unsigned comparison intrinsics call a different
2927         builtin.
2928
2929 2012-02-28  Richard Guenther  <rguenther@suse.de>
2930
2931         PR target/52407
2932         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2933         ordering for the VEC_CONCAT for two element vectors for
2934         V2SFmode, V2SImode and V2DImode.
2935
2936 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2937
2938         PR target/49448
2939         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2940         detecting big-endian triplets.
2941
2942 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2943
2944         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2945         mode if there is no type information available.
2946
2947 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2948
2949         PR tree-optimization/53207
2950         * doc/invoke.texi: Document as experimental and relying on graphite.
2951
2952 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2953
2954         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2955         of initializer to changes from r184614.
2956
2957 2012-02-28  Richard Guenther  <rguenther@suse.de>
2958
2959         PR tree-optimization/52395
2960         * tree-sra.c (build_ref_for_offset): Also look at the base
2961         TYPE_ALIGN when figuring out the alignment of the replacement.
2962
2963 2012-02-28  Richard Guenther  <rguenther@suse.de>
2964
2965         PR tree-optimization/52402
2966         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2967         mis-aligned types when creating the accesses at the call site.
2968
2969 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2970
2971         * config/avr/builtins.def: New file.
2972         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2973         * config/avr/avr.c (enum avr_builtin_id): Use it.
2974         (avr_init_builtins): Use it. And use avr_bdesc.
2975         (bdesc_1arg): Remove.
2976         (bdesc_2arg): Remove.
2977         (bdesc_3arg): Remove.
2978         (struct avr_builtin_description): Add field n_args.
2979         (avr_bdesc): New static variable using builtins.def.
2980         (avr_expand_builtin): Use it.
2981         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2982         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2983         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2984
2985 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2986
2987         PR target/52148
2988         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2989         match only one single hard register with respective hard reg rtx.
2990         (movmemx_<mode>): Ditto.
2991         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2992         insn anatomy of movmem[x]_<mode>.
2993         (avr_out_movmem): Same for printing assembler and operand usage.
2994
2995 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2996
2997         PR target/49868
2998         PR target/52261
2999         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3000         address spaces located outside of device flash.
3001
3002         * config/avr/avr.h (base_arch_s): Remove field n_segments.
3003         (mcu_type_s): Add field n_flash.
3004         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3005         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3006         (AVR_MCU): Add N_FLASH argument.
3007         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3008         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3009         macro __FLASH<n> if that address space makes sense for the device.
3010         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3011         outside of target flash.
3012         (avr_asm_named_section): Ditto.
3013         (avr_asm_select_section): Ditto.
3014         (avr_addr_space_convert): Ditto.
3015         (avr_emit_movmemhi): Ditto.
3016         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3017         address space is outside of device flash.
3018         (avr_insert_attributes): Ditto.
3019         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3020         avr_current_arch->n_segments.
3021
3022 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
3023
3024         PR target/52352
3025         * config/i386/i386.md (*movabs<mode>_1): Enable only for
3026         TARGET_LP64.
3027         (*movabs<mode>_2): Likewise.
3028
3029 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
3030
3031         PR target/52375
3032         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3033         s_register_operand in the test instead of REG_P.  Don't call
3034         gen_reg_rtx if it won't be used.
3035
3036         PR tree-optimization/52376
3037         * ipa-split.c (split_function): Ignore CLOBBER stmts.
3038
3039 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
3040
3041         * ifcvt.c (noce_get_condition): Check condition variable is not
3042         small_register_classes_for_mode_p before accepting.
3043
3044 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
3045
3046         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3047
3048 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3049
3050         Revert:
3051         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3052         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3053         tuning parameters.
3054         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3055
3056 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
3057
3058         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3059
3060 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
3061
3062         * config/sh/predicates.md: Remove blank lines.
3063         * config/sh/sh.c: Fix typos in comments.
3064         * config/sh/constraints.md: Likewise.
3065         * config/sh/sh.md: Remove blank lines.
3066         Fix typos in comments.  Use ;; as comment characters.
3067
3068 2012-02-26  Walter Lee  <walt@tilera.com>
3069
3070         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3071         (replace_mov_pcrel_step2): Ditto.
3072
3073 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
3074
3075         PR debug/52001
3076         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3077         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
3078         and locs that reference values newer than the non-canonical value
3079         at hand.  Return the canonical value as a worst case.
3080         (memrefs_conflict_p): Walk canonical value's locs.
3081
3082         PR debug/52001
3083         * cselib.c (preserve_only_constants): Rename to...
3084         (preserve_constants_and_equivs): ... this.  Split out...
3085         (invariant_or_equiv_p): ... this.  Preserve plus expressions
3086         of other preserved expressions too.
3087         (cselib_reset_table): Adjust.
3088         * var-tracking.c (reverse_op): Use canonical value to build
3089         reverse operation.
3090
3091 2012-02-23  Kai Tietz  <ktietz@redhat.com>
3092
3093         * config/i386/i386.c (ix86_delegitimize_address): Handle
3094         UNSPEC_PCREL plus displacement.
3095
3096 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
3097
3098         PR target/52261
3099         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3100         to test for unusedness in st X addressing.
3101
3102 2012-02-24  Richard Guenther  <rguenther@suse.de>
3103
3104         PR middle-end/52361
3105         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3106         (is_gimple_reg_type): Move inline ...
3107         * gimple.h (is_gimple_reg_type): ... here.
3108
3109 2012-02-24  Richard Guenther  <rguenther@suse.de>
3110
3111         PR middle-end/52361
3112         * passes.c (execute_function_todo): When verifying SSA form
3113         verify gimple form first.
3114         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3115
3116 2012-02-24  Richard Guenther  <rguenther@suse.de>
3117
3118         PR middle-end/52355
3119         * fold-const.c (fold_addr_of_array_ref_difference): New function.
3120         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3121
3122 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3123
3124         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3125
3126 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3127
3128         * tree-phinodes.c (make_phi_node): Mark static.
3129         * tree-flow.h (make_phi_node): Remove extern decl.
3130         * doc/gimple.texi (make_phi_node): Remove documentation.
3131
3132 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3133
3134         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3135         * tree-ssa-sccvn.c (print_scc): Ditto.
3136
3137 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3138
3139         * doc/passes.texi (Full redundancy elimination): Fix typo.
3140
3141 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3142
3143         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3144
3145 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
3146
3147         PR bootstrap/52287
3148         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3149
3150 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
3151
3152         PR c/52290
3153         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3154
3155 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
3156
3157         * config/avr/avr.md (code_stdname): Add ior, xor.
3158         (xior): New code iterator.
3159         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3160         (*<code_stdname><mode>qi.byte1-3): Ditto.
3161
3162 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
3163
3164         PR tree-optimization/52019
3165         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3166         CLOBBER stmts.
3167
3168 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3169
3170         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3171         HAVE_INITFINI_ARRAY to work around namespace pollution in
3172         certain versions of newlib system headers.
3173         * config.in: Regenerate.
3174         * configure: Regenerate.
3175         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3176         instead of HAVE_INITFINI_ARRAY.
3177
3178 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
3179
3180         PR target/52330
3181         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3182         is not offsettable memory reference.
3183
3184 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3185
3186         PR target/18145
3187         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3188         setting avr_need_clear_bss_p for __gnu_lto* symbols.
3189
3190 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3191
3192         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3193         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3194
3195 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3196
3197         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3198         library on Solaris 8 even without TLS support.
3199         * configure: Regenerate.
3200
3201 2012-02-22  Richard Guenther  <rguenther@suse.de>
3202
3203         PR middle-end/52329
3204         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3205         for GIMPLE_DEBUG stmts.
3206
3207 2012-02-22  Martin Jambor  <mjambor@suse.cz>
3208
3209         PR middle-end/51782
3210         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3211         according to the base object.
3212
3213 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3214
3215         PR rtl-optimization/50063
3216         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3217         and 2 (8-bit SP) in operand 2.
3218         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3219         setup to use movhi_sp_r instead of vanilla move to write SP.
3220         Adjust REG_CFA notes to superseed unspec.
3221         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3222         of vanilla move.
3223         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3224         known to be off) only with TARGET_NO_INTERRUPTS. Never use
3225         irq_state 1 (IRQ known to be on) here.
3226
3227 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
3228
3229         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3230         WORDS_BIG_ENDIAN.
3231         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3232         assign_hard_reg): Likewise.
3233
3234 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3235
3236         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3237
3238 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3239
3240         * config/avr/avr.md
3241         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3242         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3243
3244 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3245
3246         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3247         prototype from here to...
3248         * config/avr/avr.h: ...here.
3249
3250 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
3251
3252         PR target/52294
3253         * thumb2.md (thumb2_shiftsi3_short): Split register and
3254         immediate shifts.  For register shifts tie operands 0 and 1.
3255         (peephole2 for above): Check that register-controlled shifts
3256         have suitably tied operands.
3257
3258 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
3259
3260         PR target/52137
3261         * config/i386/bdver1.md (bdver1_call, bdver1_push,
3262         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3263         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3264         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3265         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3266         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3267         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3268         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3269         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3270         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3271         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3272         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3273         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3274         bdver1_ssevector_avx256_unaligned_load,
3275         bdver1_ssevector_sse128_unaligned_load,
3276         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3277         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3278         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3279         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3280         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3281         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3282         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3283         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3284         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3285         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3286         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3287         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3288         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3289         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3290         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3291         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3292         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3293         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3294         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3295         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3296         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3297         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3298         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3299         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3300         bdver1_ssediv_double_load, bdver1_ssediv_double,
3301         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3302         Add "bdver2" attribute.
3303
3304 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3305
3306         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3307         default if possible and not specified otherwise.
3308
3309 2012-02-21  Richard Guenther  <rguenther@suse.de>
3310
3311         PR middle-end/52314
3312         * gimplify.c (create_tmp_from_val): Use the main variant type
3313         for the type of the temporary we create.
3314
3315 2012-02-21  Richard Guenther  <rguenther@suse.de>
3316
3317         PR tree-optimization/52324
3318         * gimplify.c (gimplify_expr): When re-gimplifying expressions
3319         do not gimplify a MEM_REF address operand if it is already
3320         in suitable form.
3321
3322 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3323
3324         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3325         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3326
3327 2012-02-21  Richard Guenther  <rguenther@suse.de>
3328
3329         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3330         nested_in_vect_loop.
3331
3332 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
3333
3334         PR tree-optimization/52318
3335         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3336         vdef also to non-pure/const call stmts in the sequence.
3337
3338 2012-02-20  David S. Miller  <davem@davemloft.net>
3339
3340         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3341         don't use the "rd %pc" instruction on v9 for PIC register loads.
3342
3343 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
3344
3345         PR middle-end/52141
3346         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3347         in a transaction safe function.
3348
3349 2012-02-20  Kai Tietz  <ktietz@redhat.com>
3350
3351         PR target/52238
3352         * stor-layout.c (place_field): Handle desired_align for
3353         ms-bitfields, too.
3354
3355 2012-02-20  Richard Guenther  <rguenther@suse.de>
3356
3357         PR tree-optimization/52298
3358         * tree-vect-stmts.c (vectorizable_store): Properly use
3359         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3360         outer loops.
3361         (vectorizable_load): Likewise.
3362         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3363         Access DR_STEP after ensuring it is not NULL.
3364
3365 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
3366
3367         PR tree-optimization/52286
3368         * fold-const.c (fold_binary_loc): For (X & C1) | C2
3369         optimization use double_int_to_tree instead of build_int_cst_wide,
3370         rewrite to use double_int vars.
3371
3372 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3373
3374         PR target/50166
3375         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3376         Define _start.
3377         Remove -e 0 from $gcc_cv_ld invocation.
3378         Only use __GLIBC_PREREQ if defined.
3379         Enable on Solaris since Solaris 8 patch.
3380         (gcc_SUN_LD_VERSION): New macro.
3381         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3382         gcc_SUN_LD_VERSION for version number format.
3383         * configure: Regenerate.
3384         * varasm.c (get_elf_initfini_array_priority_section): Set
3385         SECTION_NOTYPE for non-default priority.
3386         Use get_section instead of get_unnamed_section to emit
3387         .init_array/.fini_array with default priority.
3388
3389 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3390
3391         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3392         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
3393         (mips_start_unique_function, mips_output_mips16_rdhwr)
3394         (mips_code_end): New functions.
3395         (TARGET_ASM_CODE_END): Define.
3396
3397 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3398
3399         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3400         to stubs with non-sibling calls.
3401
3402 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3403
3404         * doc/invoke.texi (-fira-* options): Copy-edit.
3405         (ira-* parameters): Copy-edit.
3406
3407 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3408
3409         * doc/invoke.texi: Minor copy-edits to bring into conformance with
3410         GCC coding conventions.
3411
3412 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3413
3414         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3415         when used as adjectives.
3416
3417 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
3418
3419         * doc/invoke.texi: Clean up "that"/"which" confusion.
3420
3421 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
3422
3423         * system.h: Poison SMALL_REGISTER_CLASSES
3424         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3425         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3426
3427 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3428
3429         PR tree-optimization/52285
3430         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3431         when deciding if a call is a tail call or tail recursion.
3432
3433 2012-02-16  Kai Tietz  <ktietz@redhat.com>
3434
3435         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3436         interger-constant displacement for UNSPEC_PCREL.
3437
3438 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3439
3440         PR rtl-optimization/52208
3441         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3442         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3443
3444         PR tree-optimization/52255
3445         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3446         loop->header has virtual PHI, but exit_e->dest doesn't, add
3447         virtual PHI to exit_e->dest and adjust all uses after the loop.
3448
3449         PR debug/52260
3450         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3451         children with clone_tree_hash, not after it.
3452
3453 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
3454
3455         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3456         extended identifiers.
3457
3458 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3459
3460         PR middle-end/51929
3461         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3462         a same_body_alias, also test whether e->callee isn't a former
3463         or current clone of the decl this is a same body alias of.
3464
3465         PR translation/52264
3466         * cgraphunit.c (verify_cgraph_node): Fix a typo.
3467
3468 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3469
3470         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3471
3472 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3473
3474         PR target/52199
3475         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3476         force_reg instead of copy_to_reg for better optimization.  Force
3477         non-register or memory operands into a register.
3478
3479 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
3480
3481         * extend.texi: Reserve upper bits of memory model for future use.
3482
3483 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
3484             Anatoly Sokolov <aesok@post.ru>
3485             Eric Weddington <eric.weddington@atmel.com>
3486
3487         PR target/52261
3488         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3489         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3490         Rewrite initializers for .macro.
3491         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3492         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3493         atxmega32d4, atxmega32x1.
3494         avrxmega4: atxmega64a3, atxmega64d3.
3495         avrxmega5: atxmega64a1, atxmega64a1u.
3496         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3497         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3498         avrxmega7: atxmega128a1, atxmega128a1u.
3499         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3500         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3501         (struct base_arch_s): Rename reserved to xmega_p.
3502         Rename reserved2 to have_rampd.
3503         (AVR_XMEGA): New define.
3504         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3505         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3506         * config/avr/predicates.md (io_address_operand): Take into
3507         account SFR offset.
3508         (low_io_address_operand): Ditto.
3509         (high_io_address_operand): Ditto.
3510         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3511         (enabled, movhi_sp_r): Use them.
3512         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3513         cpp_define_formatted to built-in define __AVR_ARCH__.
3514         (__AVR_XMEGA__): New built-in define.
3515         (__AVR_HAVE_RAMPD__): New built-in define.
3516         (__AVR_HAVE_RAMPX__): New built-in define.
3517         (__AVR_HAVE_RAMPY__): New built-in define.
3518         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3519
3520         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3521         (avr_option_override): Initialize them.
3522         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3523         (avr_init_expanders): Initialize them. No more block several calls.
3524         (emit_push_sfr): New static function.
3525         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3526         Handle AVR_XMEGA.
3527         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3528         (avr_print_operand): Print addreeses as symbols for
3529         RAMPX, RAMPY, RAMPD, CCP.
3530         (output_movhi): Handle AVR_XMEGA when writing to SP.
3531         (avr_out_movhi_mr_r_xmega): New static function.
3532         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3533         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
3534         __RAMPD__,  __CCP__ as needed.
3535
3536         * config/avr/multilib.h: Regenerate.
3537         * config/avr/t-multilib: Regenerate.
3538         * config/avr/avr-tables.opt: Regenerate.
3539
3540 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
3541
3542         PR tree-optimization/50561
3543         * graphite-flattening.c (lst_project_loop): Do not
3544         remove old scattering dimensions after flattening.
3545         (lst_do_flatten): Likewise.
3546
3547 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
3548
3549         * doc/extend.texi (AVR Built-in Functions): Remove doc for
3550         __builtin_avr_map8, __builtin_avr_map16.
3551         Document __builtin_avr_insert_bits.
3552
3553         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3554         (insert_bits): New insn.
3555         (adjust_len.map_bits): Rename to insert_bits.
3556         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3557         * avr-protos.h (avr_out_map_bits): Remove.
3558         (avr_out_insert_bits, avr_has_nibble_0xf): New.
3559         * config/avr/constraints.md (Cxf,C0f): New.
3560         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3561         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3562         New built-in define __BUILTIN_AVR_INSERT_BITS.
3563         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3564         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3565         (avr_move_bits): Rewrite.
3566         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3567         functions.
3568         (avr_map_op_t): New typedef.
3569         (avr_map_op): New static variable.
3570         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3571         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3572         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3573         (bdesc_3arg, avr_expand_triop_builtin): New.
3574         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3575         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3576         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3577         (avr_map_equal_p, avr_map_sig_p): Remove.
3578         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3579         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3580         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3581         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3582         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3583         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3584
3585 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3586
3587         * config/c6x/c6x.md (reserve_cycles): New attribute.
3588         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3589         don't reserve functional units after the branch occurs.
3590
3591 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
3592
3593         PR middle-end/52142
3594         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3595         functions into non-tm_pure functions.
3596
3597 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3598
3599         PR lto/52178
3600         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3601         (iterative_hash_canonical_type): Likewise.
3602         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3603         the dead edges.
3604
3605 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3606
3607         * haifa-sched.c (prune_ready_list): Ensure that if there is a
3608         sched-group insn, it either remains alone or the entire list is pruned.
3609
3610 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3611
3612         * doc/install.texi (Prerequisites): Fix grammar.
3613         (Configuration): Likewise.
3614
3615 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3616
3617         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3618         MPC as part of GCC before describing configuring with --with-gmp etc.
3619         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3620         sources are present.
3621
3622 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3623
3624         PR debug/51950
3625         * dwarf2out.c (clone_tree_hash): New function.
3626         (copy_decls_walk): Use it instead of clone_tree.
3627
3628 2012-02-14  Richard Guenther  <rguenther@suse.de>
3629
3630         PR tree-optimization/52244
3631         PR tree-optimization/51528
3632         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3633         replacements for integral types.
3634
3635 2012-02-14  Walter Lee  <walt@tilera.com>
3636
3637         * config.gcc: Handle tilegx and tilepro.
3638         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3639         tilegx and tilepro.
3640         Add HAVE_AS_TLS check for tilegx and tilepro.
3641         * configure: Regenerate.
3642         * doc/contrib.texi: Add Mat Hostetter and self.
3643         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3644         Document instruction intrinsics and network accessing intrinsics.
3645         (TILEPro Built-in Functions): New node.  Document instruction
3646         intrinsics and network accessing intrinsics.
3647         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3648         (Specific, tilepro-*-linux*): Likewise.
3649         * doc/invoke.texi (TILE-Gx Options): New section.
3650         (TILEPro Options): New section.
3651         * doc/md.texi (TILE-Gx): New section.
3652         (TILEPro): New section.
3653         * common/config/tilegx/tilegx-common.c: New file.
3654         * common/config/tilepro/tilepro-common.c: New file.
3655         * config/tilegx/constraints.md: New file.
3656         * config/tilegx/linux.h: New file.
3657         * config/tilegx/mul-tables.c: New file.
3658         * config/tilegx/predicates.md: New file.
3659         * config/tilegx/sync.md: New file.
3660         * config/tilegx/t-tilegx: New file.
3661         * config/tilegx/tilegx-builtins.h: New file.
3662         * config/tilegx/tilegx-c.c: New file.
3663         * config/tilegx/tilegx-generic.md: New file.
3664         * config/tilegx/tilegx-modes.def: New file.
3665         * config/tilegx/tilegx-multiply.h: New file.
3666         * config/tilegx/tilegx-protos.h: New file.
3667         * config/tilegx/tilegx.c: New file.
3668         * config/tilegx/tilegx.h: New file.
3669         * config/tilegx/tilegx.md: New file.
3670         * config/tilegx/tilegx.opt: New file.
3671         * config/tilepro/constraints.md: New file.
3672         * config/tilepro/gen-mul-tables.cc: New file.
3673         * config/tilepro/linux.h: New file.
3674         * config/tilepro/mul-tables.c: New file.
3675         * config/tilepro/predicates.md: New file.
3676         * config/tilepro/t-tilepro: New file.
3677         * config/tilepro/tilepro-builtins.h: New file.
3678         * config/tilepro/tilepro-c.c: New file.
3679         * config/tilepro/tilepro-generic.md: New file.
3680         * config/tilepro/tilepro-modes.def: New file.
3681         * config/tilepro/tilepro-multiply.h: New file.
3682         * config/tilepro/tilepro-protos.h: New file.
3683         * config/tilepro/tilepro.c: New file.
3684         * config/tilepro/tilepro.h: New file.
3685         * config/tilepro/tilepro.md: New file.
3686         * config/tilepro/tilepro.opt: New file.
3687
3688 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3689
3690         PR tree-optimization/52210
3691         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3692         vect_model_simple_cost with two entry vect_def_type array instead
3693         of an address of dt.
3694
3695 2012-02-14  Richard Guenther  <rguenther@suse.de>
3696
3697         PR lto/52178
3698         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3699         Do not stream DECL_QUALIFIER.
3700         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3701         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3702         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3703
3704 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3705
3706         PR c/52181
3707         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3708         newdecl.
3709
3710 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3711
3712         PR bootstrap/52172
3713         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3714         * cselib.c (cselib_subst_to_values_from_insn): New function.
3715         * sched-deps.c (add_insn_mem_dependence,
3716         sched_analyze_1, sched_analyze_2): Use it.
3717
3718 2012-02-13  Jan Hubicka  <jh@suse.cz>
3719
3720         PR middle-end/52214
3721         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3722
3723 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3724
3725         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3726         (GTM_SELF_SPECS): Define if not already defined.
3727         (driver_self_specs): Add GTM_SELF_SPECS.
3728         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3729         (GTM_SELF_SPECS): Define.
3730         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3731         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3732
3733 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3734
3735         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3736         away if seen.
3737
3738         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3739
3740         PR middle-end/52230
3741         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3742         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3743
3744 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3745
3746         PR c/52190
3747         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3748
3749 2012-02-13  Richard Guenther  <rguenther@suse.de>
3750
3751         PR translation/52211
3752         * passes.c (enable_disable_pass): Fix typo.
3753
3754 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3755
3756         PR middle-end/52209
3757         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3758         XOR for reduce_bit_field if type is unsigned.
3759
3760 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3761
3762         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3763         disallow changes from SFmode to mode with different size in FP regs.
3764
3765 2012-02-12  Robert Millan  <rmh@gnu.org>
3766             Gerald Pfeifer <gerald@pfeifer.com>
3767
3768         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3769         Tweak comment.
3770
3771 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3772
3773         PR rtl-optimization/52175
3774         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3775         to frame-related instructions.
3776
3777 2012-02-10  Jason Merrill  <jason@redhat.com>
3778
3779         PR c++/51910
3780         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3781         (demangle_new_symbols): Fill it.
3782         (scan_linker_output): Walk it.
3783         (start_tweaking): Split out from scan_linker_output.
3784         (maybe_tweak): Update sym->chosen.
3785         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3786
3787 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3788
3789         PR debug/52132
3790         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3791
3792 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3793
3794         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3795         having the same mode as previous compare.
3796
3797 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3798
3799         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3800         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3801         (nonlocal_goto_internal): Likewise.
3802         (nonlocal_goto): Emit a use and an indirect jump directly.
3803
3804 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3805
3806         PR c/52190
3807         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3808         __atomic_{is,always}_lock_free.
3809
3810 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3811
3812         PR target/52146
3813         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3814         negative constant address for x32.
3815
3816 2012-02-10  Richard Henderson  <rth@redhat.com>
3817
3818         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3819         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3820         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3821
3822 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3823             Ira Rosen  <irar@il.ibm.com>
3824
3825         PR tree-optimization/50031
3826         * targhooks.c (default_builtin_vectorization_cost): Handle
3827         vec_promote_demote.
3828         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3829         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3830         all types of reduction and pattern statements.
3831         (vect_estimate_min_profitable_iters): Likewise.
3832         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3833         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3834         for explicit realigns.
3835         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3836         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3837         vec_promote_demote.
3838         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3839         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3840         vec_perm for VSX and handle vec_promote_demote.
3841
3842 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3843
3844         PR middle-end/52177
3845         * builtins.c (fold_builtin_atomic_always_lock_free,
3846         expand_builtin_atomic_always_lock_free,
3847         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3848         Return and/or test boolean_true_node/boolean_false_node instead of
3849         integer_one_node/integer_zero_node.
3850
3851 2012-02-10  Jan Hubicka  <jh@suse.cz>
3852
3853         PR middle-end/48600
3854         * predict.c (predict_paths_for_bb): Prevent looping.
3855         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3856
3857 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3858
3859         * config/arm/arm.c (output_move_double): In one case properly
3860         count number of instructions that will be emitted.
3861
3862 2012-02-10  Richard Guenther  <rguenther@suse.de>
3863
3864         PR translation/52193
3865         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3866
3867 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3868
3869         PR middle-end/52140
3870         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3871
3872 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3873
3874         PR debug/52165
3875         * var-tracking.c (emit_note_insn_var_location): If
3876         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3877         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3878         non-NOTE_DURING_CALL_P insn.
3879
3880 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3881
3882         PR middle-end/51867
3883         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3884
3885 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3886
3887         PR driver/48524
3888         * gcc.c (switch_matches) Support switches with separated form,
3889         -D and -U.
3890
3891 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3892
3893         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3894         (SP_ADDR): Ditto.
3895         (RAMPZ_ADDR): Ditto.
3896         * config/avr/avr.c (avr_addr_t): New typedef.
3897         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3898         (avr_init_expanders): Initialize it.
3899         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3900         SREG_ADDR.
3901         (expand_epilogue): Ditto.
3902         (avr_print_operand): Ditto.
3903         (avr_file_start): Ditto.
3904         (avr_emit_movmemhi): Ditto.
3905
3906 2012-02-08  Richard Guenther  <rguenther@suse.de>
3907
3908         PR tree-optimization/46886
3909         * tree-flow.h (do_while_loop_p): Declare.
3910         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3911         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3912
3913 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3914
3915         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3916         always succeed for integers larger than a native word.
3917
3918 2012-02-08  Richard Guenther  <rguenther@suse.de>
3919
3920         PR rtl-optimization/52170
3921         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3922         properly handle integer vector modes.
3923
3924 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3925
3926         PR gcov-profile/52150
3927         * coverage.c: Include target.h.
3928         (build_var): Call targetm.strip_name_encoding on the assembler name.
3929         Change one _ into . or $ if the target allows it.
3930         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3931
3932         PR rtl-optimization/52139
3933         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3934         is a BARRIER after emit_insn_after_noloc, move BB_END
3935         to the last non-BARRIER insn before it.
3936
3937 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3938
3939         PR middle-end/24306
3940         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3941         (mips_gimplify_va_arg_expr): Call it instead of
3942         std_gimplify_va_arg_expr.
3943
3944 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3945
3946         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3947         message for -mno-pointers-to-nested-function.
3948
3949 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3950
3951         PR middle-end/51994
3952         * expr.c (get_inner_reference): If there is an offset, add a negative
3953         bit position to it (if any).
3954
3955 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3956
3957         PR rtl-optimization/52060
3958         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3959         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3960         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3961         and/or i0src_copy2 when needed.
3962
3963 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3964
3965         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3966         or LTOPLUGINSONAME if have_c.
3967
3968         * config/freebsd-spec.h: Add comment about what macros can be defined
3969         in this header.
3970         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3971         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3972         here instead.
3973
3974 2012-02-07  Richard Guenther  <rguenther@suse.de>
3975
3976         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3977         newline in -alias dumps.
3978
3979 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3980             Dave Korn  <dave.korn.cygwin@gmail.com>
3981
3982         PR target/40068
3983         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3984         Take care that typinfo gets dllexport-attribute.
3985
3986 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3987
3988         PR middle-end/52074
3989         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3990         if modifier < EXPAND_SUM call force_operand on the result.
3991
3992 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3993
3994         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3995         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3996         present.
3997         (epiphany_function_type): Replace types for specific interrupts with
3998         EPIPHANY_FUNCTION_INTERRUPT.
3999         (EPIPHANY_INTERRUPT_P): Update.
4000         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4001         New static function.
4002         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4003         <disinterrupt>: Affects type identity.
4004         (epiphany_handle_interrupt_attribute): Handle variable number of
4005         arguments.
4006         (epiphany_compute_function_type): Update for new
4007         epiphany_function_type definition.
4008         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4009         handlers with a longcall forwarder.
4010         (epiphany_start_function): Handle multiple interrupt arguments and/or
4011         forwarder_section attribute.
4012
4013         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4014         libgloss.
4015
4016 2012-02-07  Alan Modra  <amodra@gmail.com>
4017
4018         PR target/52107
4019         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4020         subregs of TFmode.
4021
4022 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4023
4024         PR tree-optimization/50969
4025         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4026         use vec_perm rather than vector_stmt.
4027         (vect_model_load_cost): Likewise.
4028         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4029         vec_perm to be the same as other vector statements.
4030         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4031         cost of vec_perm for TARGET_VSX.
4032
4033 2012-02-06  Richard Guenther  <rguenther@suse.de>
4034
4035         PR tree-optimization/52115
4036         * tree-sra.c (access_has_replacements_p): New function.
4037         (sra_modify_assign): Use it to decide whether a use is uninitialized.
4038
4039 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
4040
4041         PR middle-end/52047
4042         * trans-mem.c (expand_call_tm): Add an assertion.
4043         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4044         functions.
4045
4046 2012-02-06  Richard Guenther  <rguenther@suse.de>
4047
4048         PR tree-optimization/50955
4049         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4050         raise cost of expressions that replace an address with an
4051         expression based on a different pointer.
4052
4053 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
4054
4055         PR target/52129
4056         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4057         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4058
4059 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
4060
4061         PR c++/48680
4062         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4063         -Weffc++ and specify guidelines come from second edition.
4064
4065 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
4066
4067         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4068         (sibcall_value_multiple_internal, call_split, call_internal_direct)
4069         (call_direct_split, call_value_split, call_value_internal_direct)
4070         (call_value_direct_split, call_value_multiple_split): Use jal and
4071         jal_macro attributes.
4072
4073 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
4074
4075         * reload1.c (reload_regs_reach_end_p): Replace with...
4076         (reload_reg_rtx_reaches_end_p): ...this function.
4077         (new_spill_reg_store): Update commentary.
4078         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4079         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4080         before setting new_spill_reg_store.
4081         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4082         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4083         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4084         for non-spill reload registers.
4085
4086 2012-02-05  Ira Rosen  <irar@il.ibm.com>
4087
4088         PR tree-optimization/52091
4089         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4090         (vect_is_simple_use_1): Likewise.
4091         * tree-vect-loop.c (vectorizable_reduction): Update calls
4092         to vect_is_simple_use_1 and vect_is_simple_use.
4093         (vectorizable_live_operation): Likewise.
4094         * tree-vect-patterns.c (widened_name_p,
4095         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4096         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4097         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4098         vectorizable_shift,vectorizable_operation, vectorizable_store,
4099         vectorizable_load): Likewise.
4100         (vect_is_simple_cond): Add an argument, pass it to
4101         vect_is_simple_use_1.
4102         (vectorizable_condition): Update calls to vect_is_simple_cond,
4103         vect_is_simple_use.
4104         (vect_is_simple_use): Add an argument, the statement in which
4105         OPERAND is used.  Check that if OPERAND's def stmt is a double
4106         reduction phi node, the use is a phi node too.
4107         (vect_is_simple_use_1): Add an argument, pass it to
4108         vect_is_simple_use.
4109         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4110         to vect_is_simple_use.
4111
4112 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
4113
4114         PR rtl-optimization/52095
4115         * modulo-sched.c (dump_insn_locator): New function.
4116         (loop_canon_p, sms_schedule): Use it.
4117
4118         PR rtl-optimization/52113
4119         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4120         even for decomposable shift/zext insns.
4121
4122 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
4123             Zdenek Dvorak  <ook@ucw.cz>
4124
4125         PR rtl-optimization/52092
4126         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4127         on get_iv_value result.
4128
4129 2012-02-02  Andrew Pinski  <apinski@cavium.com>
4130
4131         PR middle-end/47982
4132         PR middle-end/43967
4133         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4134
4135 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4136
4137         PR middle-end/48071
4138         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4139
4140 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
4141
4142         PR rtl-optimization/49800
4143         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4144         (sched_finish): Call regstat_free_n_sets_and_refs.
4145
4146 2012-02-02  Jia Liu  <proljc@gmail.com>
4147
4148         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4149         than operand 2.
4150
4151 2012-02-02  Jan Hubicka  <jh@suse.cz>
4152             Tom de Vries  <tom@codesourcery.com>
4153
4154         PR middle-end/51998
4155         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4156         * varpool.c (varpool_analyze_pending_decls): Likewise.
4157
4158 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4159             Jayant R Sonar <jayant.son