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PR tree-optimization/33763
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-10-05  Jan Hubicka  <jh@suse.cz>
2             Jakub Jelinek  <jakub@redhat.com>
3
4         PR tree-optimization/33763
5         * tree-inline.c (expand_call_inline): Silently ignore always_inline
6         attribute for redefined extern inline functions.
7
8 2012-10-03  H.J. Lu  <hongjiu.lu@intel.com>
9
10         Backported from mainline
11         2012-10-03  Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
12
13         *  config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
14         in SSE and YMM state support check for -march=native.
15
16 2012-10-03  Alexandre Oliva <aoliva@redhat.com>
17
18         PR debug/53135
19         * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
20         when needed.
21
22 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
23
24         Backported from mainline
25         2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
26
27         PR target/54785
28         * doc/invoke.texi: Document -mprefer-avx128.
29
30 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
31
32         Backported from mainline
33         2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
34
35         PR target/54741
36         *  config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
37         (XSTATE_FP): Likewise.
38         (XSTATE_SSE): Likewise.
39         (XSTATE_YMM): Likewise.
40         (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
41         SSE and YMM states aren't supported.
42
43 2012-10-01  Tom de Vries  <tom@codesourcery.com>
44
45         * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
46         the prototype.
47
48 2012-10-01  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
49
50         PR target/54746
51         * config/s390/s390.c (s390_option_override): Add missing break.
52
53 2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
54
55         Backport from mainline
56         2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
57
58         * config.gcc: Replace 'host' with 'target' when configuring for
59         powerpc64*-*-freebsd.
60
61 2012-09-28  Meador Inge  <meadori@codesourcery.com>
62
63         Backport from mainline
64         2012-09-27  Meador Inge  <meadori@codesourcery.com>
65
66         * gcc-ar.c (main): Handle the returning of the sub-process error
67         code correctly.
68
69 2012-09-28  Georg-Johann Lay  <avr@gjlay.de>
70
71         Backport from 2012-09-28 trunk r191821.
72         * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
73
74 2012-09-27  Jakub Jelinek  <jakub@redhat.com>
75
76         PR target/54703
77         * simplify-rtx.c (simplify_binary_operation_1): Perform
78         (x - (x & y)) -> (x & ~y) optimization only for integral
79         modes.
80
81 2012-09-24  Eric Botcazou  <ebotcazou@adacore.com>
82
83         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
84         TYPE_NONALIASED_COMPONENT flag.
85         * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
86         TYPE_NONALIASED_COMPONENT flag.
87
88 2012-09-21  Richard Guenther  <rguenther@suse.de>
89
90         PR middle-end/54638
91         Backport from mainline
92         2012-04-19  Richard Guenther  <rguenther@suse.de>
93
94         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
95         array access.
96
97 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
98
99         PR c/54552
100         * c-typeck.c (c_cast_expr): When casting to a type requiring
101         C_MAYBE_CONST_EXPR to be created, pass the inner expression to
102         c_fully_fold first.
103
104 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
105
106         PR c/54103
107         * c-typeck.c (build_unary_op): Pass original argument of
108         TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
109         any C_MAYBE_CONST_EXPR, if it has integer operands.
110         (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
111         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
112         to c_objc_common_truthvalue_conversion, then remove any
113         C_MAYBE_CONST_EXPR, if they have integer operands.  Use
114         c_objc_common_truthvalue_conversion not
115         c_common_truthvalue_conversion.
116         (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
117         call note_integer_operands for arguments with integer operands
118         that are not integer constants.
119
120 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
121
122         Backported from mainline
123         2012-09-17  Jakub Jelinek  <jakub@redhat.com>
124
125         PR tree-optimization/54563
126         * tree-ssa-math-opts.c (execute_cse_sincos): Call
127         gimple_purge_dead_eh_edges if last call has been changed.
128
129         2012-09-14  Jakub Jelinek  <jakub@redhat.com>
130
131         PR target/54564
132         * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
133         instead of (match_dup 0) as second argument to vec_merge.
134         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
135         Remove third alternative.
136         (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise.  Negate
137         operand 2 instead of operand 1, but put it as first argument
138         of fma.
139         * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
140         _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
141         of the first.
142
143 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
144
145         * BASE-VER: Set to 4.7.3.
146         * DEV-PHASE: Set to prerelease.
147
148 2012-09-20  Release Manager
149
150         * GCC 4.7.2 released.
151
152 2012-09-15  Andi Kleen  <ak@linux.intel.com>
153
154         Backport from mainline
155         2012-09-07  Andi Kleen  <ak@linux.intel.com>
156
157         * gcc/lto-streamer.h (res_pair): Add.
158         (lto_file_decl_data): Replace resolutions with respairs.
159         Add max_index.
160         * gcc/lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
161         Initialize respairs.
162         (lto_file_finalize): Set up resolutions vector lazily from respairs.
163
164 2012-09-14  Walter Lee  <walt@tilera.com>
165
166         Backport from mainline.
167         2012-09-14  Walter Lee  <walt@tilera.com>
168
169         * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
170         option for TILEPro and TILE-Gx.
171
172 2012-09-13  Uros Bizjak  <ubizjak@gmail.com>
173
174         * config/i386/i386.h (x86_prefetchw): New global variable.
175         (TARGET_PREFETCHW): New macro.
176         * config/i386/i386.c (PTA_PREFETCHW): Ditto.
177         (processor_alias_table): Add PTA_PREFETCHW to
178         bdver1, bdver2 and btver1.
179         (ix86_option_override_internal): Set x86_prefetchw for
180         PTA_PREFETCHW targets.
181         * config/i386/i386.md (prefetch): Expand to prefetchw
182         for TARGET_PREFETCHW.
183         (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
184
185         Backport from mainline
186         2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
187
188         * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
189         (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
190         Rename to ...
191         (*prefetch_sse): ... this.
192         (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
193         Rename to ...
194         (*prefetch_3dnow): ... this.
195
196 2012-09-13  Jakub Jelinek  <jakub@redhat.com>
197
198         PR c/54559
199         * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
200         COMPLEX_TYPE with in_late_binary_op set temporarily to true.
201
202 2012-09-12  Teresa Johnson  <tejohnson@google.com>
203
204         Backport from mainline.
205         2012-09-12  Teresa Johnson  <tejohnson@google.com>
206
207         PR gcov-profile/54487
208         * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
209         test using F_SETLKW with fcntl.
210         * configure, config.in: Regenerate.
211
212 2012-09-12  Uros Bizjak  <ubizjak@gmail.com>
213
214         Backport from mainline
215         2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
216
217         * config/i386/i386.md : Comments on fma4 instruction selection
218         reflect requirement on register pressure based cost model.
219
220         * config/i386/driver-i386.c (host_detect_local_cpu): fma4
221         flag is set-reset as informed by the cpuid flag.
222
223         * config/i386/i386.c (processor_alias_table): fma4
224         flag is enabled for bdver2.
225
226 2012-09-12  Christian Bruel  <christian.bruel@st.com>
227
228        * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
229
230 2012-09-12  Jakub Jelinek  <jakub@redhat.com>
231
232         * config.gcc: Obsolete picochip-*.
233
234 2012-09-11  Richard Guenther  <rguenther@suse.de>
235
236         PR debug/54534
237         * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
238         on flag_toplevel_reorder.
239
240 2012-09-10  Richard Henderson  <rth@redhat.com>
241
242         * config/alpha/predicates.md (small_symbolic_operand): Disallow
243         large offsets.
244
245 2012-09-10  Georg-Johann Lay  <avr@gjlay.de>
246
247         Backport from 2012-09-10 mainline r191132.
248
249         PR target/54536
250         * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
251
252 2012-09-10  Markus Trippelsdorf  <markus@trippelsdorf.de>
253
254         PR middle-end/54515
255         * tree-sra.c (disqualify_base_of_expr): Check for possible
256         NULL_TREE returned by get_base_address()
257
258 2012-09-07  Richard Guenther  <rguenther@suse.de>
259
260         Backport from mainline
261         2012-06-26  Jan Hubicka  <jh@suse.cz>
262
263         PR lto/53572
264         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
265         used symbols.
266
267 2012-09-07  Richard Guenther  <rguenther@suse.de>
268
269         Backport from mainline
270         2012-07-13  Richard Guenther  <rguenther@suse.de>
271
272         PR tree-optimization/53922
273         * tree-vrp.c (value_inside_range): Change prototype to take
274         min/max instead of value-range.
275         (range_includes_zero_p): Likewise.  Return the result from
276         value_inside_range.
277         (extract_range_from_binary_expr_1): Adjust to handle dont-know
278         return value from range_includes_zero_p.
279         (extract_range_from_unary_expr_1): Likewise.
280         (compare_range_with_value): Likewise.
281         (vrp_meet_1): Likewise.
282
283 2012-09-07  Richard Guenther  <rguenther@suse.de>
284
285         PR middle-end/53667
286         * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
287         EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
288         arguments separately.
289
290 2012-09-07  Jakub Jelinek  <jakub@redhat.com>
291
292         Backported from mainline
293         2012-09-06  Jakub Jelinek  <jakub@redhat.com>
294
295         PR rtl-optimization/54455
296         * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
297         bb ends up with asm goto referencing bb's label.
298
299 2012-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
300
301         Backport from mainline.
302         2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
303                     Richard Earnshaw  <richard.earnshaw@arm.com>
304
305         PR target/54252
306         * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
307         element size. Use elem_type from the formal parameter. New parameter
308         fcode.
309         (neon_expand_args): Adjust call to neon_dereference_pointer.
310
311 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
312
313         * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
314         reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
315
316 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
317
318         Backport from mainline
319         2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
320
321         * config/i386/i386.md (isa): Add fma and fma4.
322         (enabled): Handle fma and fma4.
323         * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
324         (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
325         (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
326         (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
327         (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
328         (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
329
330         2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
331
332         * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
333         *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
334         *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
335
336 2012-09-06  Richard Guenther  <rguenther@suse.de>
337
338         PR tree-optimization/54498
339         * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
340         abort when reaching an already visited region.
341         * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
342         (get_continuation_for_phi_1): Likewise.
343         (walk_non_aliased_vuses): When we translated the reference,
344         abort when we re-visit a region.
345         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
346
347 2012-09-06  Andrew Pinski  <apinski@cavium.com>
348
349         PR tree-opt/54494
350         * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
351
352 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
353
354         PR middle-end/54486
355         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
356         build_int_cst with size_type_node instead of size_int.
357
358 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
359
360         Backport from 2012-09-05 mainline r190697.
361
362         PR target/54461
363         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
364         configured --with-avrlibc.
365         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
366         --with-avrlibc.
367         * config/avr/avrlibc.h: New file.
368         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
369         configured --with-avrlibc.
370         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
371
372 2012-09-05  Bin Cheng  <bin.cheng@arm.com>
373
374         Backport from 2012-09-04 mainline r190919
375
376         PR target/45070
377         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
378         of size less than 4 bytes by using macro ARM_NUM_INTS.
379         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
380
381 2012-09-04  Richard Henderson  <rth@redhat.com>
382
383         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
384
385 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
386
387         Backport from 2012-09-04 mainline r190920
388
389         PR target/54476
390         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
391
392 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
393
394         Backport from 2012-09-04 mainline r190914
395
396         PR target/54220
397         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
398         define to...
399         (avr_allocate_stack_slots_for_args): ...this new static function.
400
401 2012-09-03  H.J. Lu  <hongjiu.lu@intel.com>
402
403         Backported from mainline
404         2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
405
406         PR driver/54335
407         * doc/invoke.texi: Add -da and remove -dm.
408
409 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
410
411         Backported from mainline
412         2012-09-01  Jakub Jelinek  <jakub@redhat.com>
413
414         PR target/54436
415         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
416         operands[1] is CONST_INT_P, convert it to QImode before printing.
417
418         2012-08-31  Jakub Jelinek  <jakub@redhat.com>
419
420         PR c/54428
421         * c-convert.c (convert): Don't call fold_convert_loc if
422         TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
423         is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
424         COMPLEX_TYPE -> COMPLEX_TYPE conversion.
425
426         2012-08-24  Jakub Jelinek  <jakub@redhat.com>
427
428         PR c/54363
429         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
430         if init is a CONSTRUCTOR.
431
432 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
433
434         PR rtl-optimization/54369
435         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
436         calling dbr_schedule.
437         * config/sparc/sparc.c (sparc_reorg): Likewise.
438
439 2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>
440
441         Backport from mainline
442         2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>
443
444         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
445         case for Atom processor.
446
447 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
448
449         Backport from mainline
450         2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
451
452         PR target/46254
453         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
454         true for TARGET_64BIT or !flag_pic.
455         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
456         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
457         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
458         Add insn constraint.  Conditionally emit xchg asm insns.
459         (atomic_compare_and_swap<mode>): Update calls.  Check only
460         cmpxchg8b_pic_memory_operand in memory address fixup.
461         (DCASMODE): Remove.
462         (CASHMODE): Rename from DCASHMODE.
463         (doublemodesuffix): Update modes.
464         (regprefix): New mode attribute.
465
466         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
467         <UNSPECV_CMPXCHG>: New constant.
468         (atomic_compare_and_swap<mode>_1): Rename from
469         atomic_compare_and_swap_single<mode>.  Update calls and
470         unspec_volatile constants.
471         (atomic_compare_and_swap<mode>_doubleword): Rename from
472         atomic_compare_and_swap_double<mode>.  Update calls and
473         unspec_volatile constants.
474
475 2012-08-28  Walter Lee  <walt@tilera.com>
476
477         Backport from mainline
478         2012-08-28  Walter Lee  <walt@tilera.com>
479
480         * confg/tilegx/tilegx.md: Fix code style.
481         (*zero_extendsidi_truncdisi): Fix typo.
482         * config/tilegx/tilegx.c: Fix code style.
483         (tilegx_function_profiler): Fix typo.
484
485 2012-08-27  Walter Lee  <walt@tilera.com>
486
487         Backport from mainline
488         2012-08-27  Walter Lee  <walt@tilera.com>
489
490         * doc/md.texi (TILE-Gx): Fix typo.
491
492 2012-08-27  Walter Lee  <walt@tilera.com>
493
494         Backport from mainline
495         2012-08-27  Walter Lee  <walt@tilera.com>
496
497         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
498         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
499
500 2012-08-27  Walter Lee  <walt@tilera.com>
501
502         Backport from mainline
503         2012-08-27  Walter Lee  <walt@tilera.com>
504
505         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
506         (insn_bfins): Delete.
507
508 2012-08-27  Walter Lee  <walt@tilera.com>
509
510         Backport from mainline
511         2012-08-27  Walter Lee  <walt@tilera.com>
512
513         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
514         atomic_exchange_bare<mode>,
515         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
516         * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
517         * config/tilegx/tilegx.md (type): Add X1_remove.
518         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
519         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
520         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
521         X1_remote.
522
523 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
524
525         PR rtl-optimization/54088
526         * jump.c (delete_related_insns): Robustify latest change.
527
528 2012-08-21  Richard Guenther  <rguenther@suse.de>
529
530         Backport from mainline
531         2012-08-16  Richard Guenther  <rguenther@suse.de>
532
533         PR middle-end/54146
534         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
535         exit vector.
536         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
537         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
538         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
539         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
540         (tree_ssa_lim_finalize): Free all mem_refs.
541         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
542         scc when bailing out.
543         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
544         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
545         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
546         FOR_EACH_LOOP_BREAK.
547
548         2012-08-17  Richard Guenther  <rguenther@suse.de>
549
550         * tree-sra.c (modify_function): Free redirect_callers vector.
551         * ipa-split.c (split_function): Free args_to_pass vector.
552         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
553         vec_oprnds.
554         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
555         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
556         (vect_analyze_slp_instance): Free everything.
557         (destroy_bb_vec_info): Free the SLP instances.
558
559         2012-08-17  Richard Guenther  <rguenther@suse.de>
560
561         * params.def (integer-share-limit): Decrease from 256 to 251,
562         add rationale.
563
564         2012-08-21  Richard Guenther  <rguenther@suse.de>
565
566         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
567         the affine expansion cache.
568
569 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
570
571         Backported from trunk
572         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
573
574         PR middle-end/53992
575         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
576
577 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
578
579         Backport from mainline.
580         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
581
582         PR target/54212
583         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
584         mark as predicable. Adjust asm template.
585         (vec_setv2di_internal): Likewise.
586         (vec_extract<mode> VD, VQ): Likewise.
587         (vec_extractv2di): Likewise.
588         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
589         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
590         (neon_vdup_n<mode> VX, V32): Likewise.
591         (neon_vdup_nv2di): Likewise.
592
593 2012-08-17  Walter Lee  <walt@tilera.com>
594
595         Backport from mainline
596         2012-08-17  Walter Lee  <walt@tilera.com>
597
598         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
599         (FEEDBACK_ENTER): Define.
600         (FEEDBACK_REENTER): Define.
601         (FEEDBACK_ENTRY): Define.
602         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
603         (FEEDBACK_ENTER): Define.
604         (FEEDBACK_REENTER): Define.
605         (FEEDBACK_ENTRY): Define.
606
607 2012-08-16  Walter Lee  <walt@tilera.com>
608
609         Backport from mainline
610         2012-08-16  Walter Lee  <walt@tilera.com>
611
612         * config.gcc (tilegx-*-linux*): Add feedback.h.
613         (tilepro-*-linux*): Likewise.
614         * config/tilegx/feedback.h: New file.
615         * config/tilepro/feedback.h: New file.
616
617 2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>
618
619         Backport from mainline r189840 and r187586:
620         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
621
622         * config/i386/i386.md (stack_protect_set): Disable the pattern
623         for Android since Android libc (bionic) does not provide random
624         value for stack protection guard at gs:0x14. Guard value
625         will be provided from external symbol (default implementation).
626         (stack_protect_set_<mode>): Likewise.
627         (stack_protect_test): Likewise.
628         (stack_protect_test_<mode>): Likewise.
629         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
630         not have Bionic by default
631         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
632         Macro OPTION_BIONIC is defined in this file and provides Bionic
633         accessibility status
634
635         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
636
637         * configure.ac: Stack protector enabling for Android targets.
638         * configure: Regenerate.
639
640 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
641
642         Backported from trunk
643         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
644
645         PR rtl-optimization/53942
646         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
647         directly from likely spilled non-fixed hard registers, move them
648         to pseudo first.
649
650 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
651
652         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
653         (xop_phaddubq): Ditto.
654
655 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
656
657         Backport from mainline
658         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
659                     Richard Earnshaw  <rearnsha@arm.com>
660
661         * target.def (vector_alignment): New target hook.
662         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
663         * doc/tm.texi: Regenerate.
664         * targhooks.c (default_vector_alignment): New function.
665         * targhooks.h (default_vector_alignment): Add prototype.
666         * stor-layout.c (layout_type): Use targetm.vector_alignment.
667         * config/arm/arm.c (arm_vector_alignment): New function.
668         (TARGET_VECTOR_ALIGNMENT): Define.
669
670         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
671         vector type alignment instead of size.
672         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
673         element type size directly instead of computing it from alignment.
674         Fix variable naming and comment.
675
676 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
677
678         Backport from mainline
679         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
680
681         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
682         (alpha_pad_function_end): ... this.  Also insert NOP between
683         sibling call and GP load.
684         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
685
686 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
687
688         Backport from mainline
689         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
690                     H.J. Lu  <hongjiu.lu@intel.com>
691
692         PR rtl-optimization/54157
693         * combine.c (gen_lowpart_for_combine): Don't return identity
694         for CONST or symbolic reference.
695
696 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
697
698         Backport from mainline
699         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
700
701         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
702         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
703         split_cost argument signed.
704         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
705         (ix86_avoid_lea_for_addr): Ditto.
706
707         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
708
709         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
710         the address has less than two components.
711
712 2012-08-02  Steve Ellcey  <sellcey@mips.com>
713
714         Backport from mainline
715         2012-07-19  Steve Ellcey  <sellcey@mips.com>
716
717         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
718         MIPS16 mode.
719
720 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
721
722         Backport from mainline
723         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
724
725         PR target/53961
726         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
727         negative constant address for TARGET_X32 ...
728         (ix86_decompose_address): ... here.  Reject constant addresses
729         that don't satisfy x86_64_immediate_operand predicate.
730
731         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
732
733         PR target/53961
734         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
735         * config/i386/i386.c (ix86_print_operand_address): Ditto.
736         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
737         addresses.  Prevent zero extensions of CONST_INT operands.
738
739         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
740
741         PR target/53961
742         * config/i386/i386.md (*lea): New insn pattern.
743         (*lea_1): Remove.
744         (*lea<mode>_2): Ditto.
745         (*lea_{3,4,5,6}_zext): Ditto.
746         * config/i386/predicates.md (lea_address_operand): Do not reject
747         zero-extended address operands.
748         * config/i386/constraints.md (j): Remove address constraint.
749         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
750         of an address.
751         (ix86_print_operand_address): Handle SImode subreg of an address.
752         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
753
754 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
755
756         Backport from mainline
757         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
758
759         PR target/52530
760         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
761         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
762         to set code to 'q'.
763         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
764         (*movdi_internal_rex64): Use %E operand modifier for lea.
765         (*movsi_internal): Ditto.
766         (*lea_1): Ditto.
767         (*lea<mode>_2): Ditto.
768         (*lea_{3,4,5,6}_zext): Ditto.
769         (*tls_global_dynamic_32_gnu): Ditto.
770         (*tls_global_dynamic_64): Ditto.
771         (*tls_dynamic_gnu2_lea_32): Ditto.
772         (*tls_dynamic_gnu2_lea_64): Ditto.
773         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
774
775 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
776
777         Backport from mainline
778         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
779
780         * config/i386/i386.c (ix86_address_subreg_operand): Reject
781         stack pointer.
782         (ix86_print_operand_address): Assert that parts.base and parts.index
783         are non-NULL after call to simplify_subreg.
784
785 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
786
787         PR target/33135
788         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
789         description.
790         * config/sh/sh.c (sh_option_override): Do not change
791         flag_finite_math_only.  Set TARGET_IEEE to complement of
792         flag_finite_math_only.
793         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
794         description of mieee and mno-ieee behavior.
795
796 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
797
798         PR target/53877
799         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
800         (_lzcnt_u64): Ditto.
801
802 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
803
804         Backport from mainline
805         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
806
807         PR rtl-optimization/52250
808         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
809         to put note list into.  Unconditionally call move_bb_info.
810         (move_bb_info): Do not assert the blocks being in the same region,
811         just drop the note list if they are not.
812
813 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
814
815         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
816
817 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
818
819         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
820         defining statement is a SSA name that occurs in abnormal PHIs.
821
822 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
823
824         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
825         conversions.
826
827 2012-07-19  Richard Guenther  <rguenther@suse.de>
828             Eric Botcazou  <ebotcazou@adacore.com>
829
830         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
831         about transition from invariant to known bits.
832         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
833
834 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
835
836         PR middle-end/54017
837         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
838         (cleanup_tree_cfg_bb): Don't call it.
839         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
840         handling.
841
842 2012-07-19  Christian Bruel  <christian.bruel@st.com>
843
844         PR target/54029
845         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
846
847 2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>
848
849         * config.gcc (v850-*-rtems*): New target.
850         * config/v850/rtems.h: New.
851         * config/v850/t-rtems: New.
852
853 2012-07-18  Nick Clifton  <nickc@redhat.com>
854
855         * doc/invoke.texi (ARM Options): Document -munaligned-access.
856
857 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
858
859         PR target/53961
860
861         Backport from mainline
862         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
863
864         PR target/53110
865         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
866         instead expand it as zero extension.
867
868 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
869
870         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
871         QImode and HImode splitters.  Use ix86_comparison_operator.
872         Explicitly match FLAGS_REG.
873         (DFmode cmove splitter): Explicitly match FLAGS_REG.
874
875 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
876             Steven Bosscher  <steven@gcc.gnu.org>
877             Bernd Schmidt  <bernds@codesourcery.com>
878
879         PR rtl-optimization/53908
880         * df-problems.c (can_move_insns_across): When doing
881         memory-reference book-keeping, handle call insns.
882
883 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
884
885         Backport from mainline
886         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
887
888         PR target/53811
889         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
890         sibcall_insn_operand.  Move it to a temporary register if not.
891
892         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
893
894         PR target/53853
895         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
896         emit PIC sequence for fnaddr symbol reference in advance.
897
898 2012-07-09  Jason Merrill  <jason@redhat.com>
899
900         PR c++/53882
901         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
902         (type_hash_eq): Likewise.
903
904         PR c++/53826
905         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
906
907 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
908
909         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
910         due to negative shift amount.
911
912 2012-07-06  Kai Tietz  <ktietz@redhat.com>
913
914         Backport from mainline.
915         PR bootstrap/52947
916         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
917         as "/mingw/include".
918
919 2012-07-06  Nick Clifton  <nickc@redhat.com>
920
921         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
922         default_encode_section_info.
923
924 2012-07-06  Richard Guenther  <rguenther@suse.de>
925
926         Backport from mainline
927         2012-03-30  Richard Guenther  <rguenther@suse.de>
928
929         PR middle-end/52786
930         * double-int.c (rshift_double): Remove not needed cast.
931
932         2012-03-28  Richard Guenther  <rguenther@suse.de>
933
934         PR middle-end/50708
935         * double-int.h (rshift_double): Remove.
936         * double-int.c (lshift_double): Use absu_hwi to make count
937         positive.
938         (rshift_double): Make static, take unsigned count argument,
939         remove handling of negative count argument.
940         (double_int_rshift): Dispatch to lshift_double.
941
942 2012-07-06  Richard Guenther  <rguenther@suse.de>
943
944         Backport from mainline
945         2012-06-18  Richard Guenther  <rguenther@suse.de>
946
947         PR tree-optimization/53693
948         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
949         Reject operands with more than one use.
950
951 2012-07-06  Richard Guenther  <rguenther@suse.de>
952
953         Backport from mainline
954         2012-04-11  Richard Guenther  <rguenther@suse.de>
955
956         PR middle-end/52621
957         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
958         consider loop nesting.
959         (evolution_function_is_univariate_p): Properly check the remainder
960         for chrecs.
961
962 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
963
964         Backport from mainline
965         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
966
967         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
968         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
969         (adjacent_mem_locations): Move some code to and call...
970         (get_memref_parts): ...new function.
971         (mem_locations_overlap): New function.
972         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
973         (is_mem_ref): Rename to...
974         (find_mem_ref): ...this. Return MEM rtx.
975         (get_store_dest): Remove function.
976         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
977         new parameter and adjust calls.
978         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
979         mem refs overlap for true_store_to_load_dep_costly.
980         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
981         passed to adjacent_mem_locations.
982         (is_costly_group): Walk resolved dependency list.
983         (force_new_group): Emit group ending nop for Power6/Power7.
984         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
985         (group_ending_nop): New define_insn.
986
987 2012-07-04  Richard Guenther  <rguenther@suse.de>
988
989         PR middle-end/53433
990         * gimple-fold.c (get_base_constructor): Do not return an
991         error_mark_node DECL_INITIAL.
992
993 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
994
995         Backport from mainline
996         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
997
998         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
999         code model string in the error message.
1000
1001 2012-07-04  Tristan Gingold  <gingold@adacore.com>
1002
1003         Backport from mainline.
1004         2012-06-25  Tristan Gingold  <gingold@adacore.com>
1005
1006         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
1007         (seh_cfa_adjust_cfa): ... that function.
1008         (seh_emit_stackalloc): Do not emit out of range values.
1009         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
1010         UNSPEC_DEF_CFA constants.
1011         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
1012         * config/i386/i386.c (ix86_frame_pointer_required): Required
1013         for very large frames on SEH target.
1014         (ix86_compute_frame_layout): Save area is before frame pointer
1015         on SEH target.  Handle very large frames.
1016         (ix86_expand_prologue): Likewise.
1017
1018 2012-07-04  Richard Guenther  <rguenther@suse.de>
1019
1020         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
1021         as in free_lang_data_in_type.
1022
1023 2012-07-02  Martin Jambor  <mjambor@suse.cz>
1024
1025         Backport from mainline.
1026         2012-07-02  Martin Jambor  <mjambor@suse.cz>
1027
1028         PR middle-end/38474
1029         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
1030         dynamic type change check.
1031
1032 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
1033
1034         * tree-eh.c (lower_try_finally_switch): Really put the location of the
1035         last statement of the finally block onto the switch.
1036
1037 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1038
1039         * configure: Regenerate.
1040
1041         Backport from mainline.
1042         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1043
1044         * config.gcc (target_type_format_char): New. Document it. Set it for
1045         arm*-*-* .
1046         * configure.ac (gnu_unique_option): Use target_type_format_char
1047         in test.  Comment rationale.
1048
1049 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1050
1051         Backport from mainline.
1052         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1053
1054         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
1055
1056 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
1057
1058         Backport from 2012-06-28 mainline r189049
1059
1060         PR 53595
1061         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
1062         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
1063         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
1064         avr_hard_regno_call_part_clobbered.
1065
1066 2012-06-28  Richard Guenther  <rguenther@suse.de>
1067
1068         PR middle-end/53790
1069         * expr.c (expand_expr_real_1): Verify if the type is complete
1070         before inspecting its size.
1071
1072 2012-06-27  Nick Clifton  <nickc@redhat.com>
1073
1074         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1075         input operand.
1076
1077 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
1078
1079         PR debug/53682
1080         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1081
1082 2012-06-26  Nick Clifton  <nickc@redhat.com>
1083
1084         * config/rx/rx.md (simple_return): Use the simple_return rtx.
1085
1086 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
1087
1088         PR target/53759
1089         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1090         of x x x in the vmovlps load alternative.
1091
1092 2012-06-22  Richard Guenther  <rguenther@suse.de>
1093
1094         * gcov-iov.c: Include bconfig.h and system.h.
1095
1096 2012-06-22  Richard Guenther  <rguenther@suse.de>
1097
1098         PR gcov-profile/53744
1099         * gcov-iov.c (main): Treat "" and "prerelease" the same.
1100
1101 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
1102
1103         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1104         DECL_IGNORED_P non-reg vars even if they are used.
1105
1106 2012-06-19  Jason Merrill  <jason@redhat.com>
1107
1108         PR c++/52637
1109         * dwarf2out.c (modified_type_die): Use scope_die_for.
1110         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1111         (uses_local_type_r, uses_local_type): New.
1112         (scope_die_for): Keep a type that uses a local type in local scope.
1113         Use get_context_die for namespace and type scope.
1114
1115 2012-06-19  Richard Guenther  <rguenther@suse.de>
1116
1117         PR middle-end/53470
1118         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1119         replace it with the first non-BLOCK context.
1120
1121 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
1122
1123         PR rtl-optimization/53700
1124
1125         Backport from mainline
1126         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
1127
1128         * ira-color.c (setup_left_conflict_sizes_p): Process all
1129         conflicting objects.
1130
1131 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1132
1133         Backport from mainline
1134         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
1135
1136         PR target/52908
1137         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1138         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1139         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1140         instead of xop_mulv2div2di3_low.
1141         (xop_p<macs>dql): Fix vec_select selector.
1142         (xop_p<macs>dqh): Ditto.
1143         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1144         (xop_mulv2div2di3_high): Ditto.
1145
1146 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1147
1148         Backport from mainline:
1149         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1150
1151         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1152
1153 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1154
1155         Backport from mainline:
1156         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1157
1158         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1159         * config/pa/pa.c (pa_attr_length_millicode_call): Use
1160         MAX_PCREL17F_OFFSET instead of fixed offset.
1161         (pa_attr_length_call): Likewise.
1162         (pa_attr_length_indirect_call): Likewise.
1163
1164 2012-06-15  Walter Lee  <walt@tilera.com>
1165
1166         Backport from mainline:
1167         2012-06-15  Walter Lee  <walt@tilera.com>
1168
1169         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1170
1171         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
1172
1173         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1174
1175 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
1176
1177         Backport from mainline:
1178
1179         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1180         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1181         * gimple.h (block_in_transaction): Check for flag_tm.
1182
1183 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
1184
1185         PR tree-optimization/52558
1186
1187         Backport from mainline:
1188         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
1189         * gimple.h (gimple_set_in_transaction): Remove.
1190         (gimple_in_transaction): Look in BB instead.
1191         (gimple_statement_base): Remove in_transaction field.
1192         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1193         * trans-mem.c (compute_transaction_bits): Place transaction bit
1194         information into basic blocks.
1195
1196         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1197
1198         PR tree-optimization/52558
1199         * cfg.c (alloc_aux_for_edge): Fix comment.
1200         (alloc_aux_for_edge): Remove static.
1201         * basic-block.h (alloc_aux_for_edge): Protoize.
1202         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1203         (execute_sm_if_changed_flag): New.
1204         (execute_sm_if_changed_flag_set): New.
1205         (execute_sm): Do not generate data races unless requested.
1206         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1207         (tree_ssa_lim_finalize): Call free_aux_for_edges.
1208         * gimple.h (block_in_transaction): New.
1209         (gimple_in_transaction): Use block_in_transaction.
1210
1211 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
1212
1213         Backported from mainline
1214         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
1215
1216         PR rtl-optimization/53589
1217         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1218         discovery even when e->dest != target.  If any LABEL_REF points
1219         to e->dest label, redirect it to target's label.
1220
1221         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
1222
1223         PR middle-end/53580
1224         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1225         returns false, replace stmt with GIMPLE_NOP.
1226         (check_omp_nesting_restrictions): Instead of issuing warnings,
1227         issue errors and return false if any errors were reported.
1228
1229 2012-06-14  Richard Guenther  <rguenther@suse.de>
1230
1231         * BASE-VER: Set to 4.7.2.
1232         * DEV-PHASE: Set to prerelease.
1233
1234 2012-06-12  Christian Bruel  <christian.bruel@st.com>
1235
1236         PR target/53621
1237         * config/sh/sh.c (sh_option_override): Don't force
1238          flag_omit_frame_pointer and maccumulate_outgoing_args.
1239         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1240
1241 2012-06-14  Release Manager
1242
1243         * GCC 4.7.1 released.
1244
1245 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
1246
1247         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1248
1249 2012-06-13  Richard Henderson  <rth@redhat.com>
1250
1251         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1252         iterator instead of INT.
1253
1254 2012-06-08  Richard Henderson  <rth@redhat.com>
1255
1256         PR c++/53602
1257         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1258         note to a clobber insn when no other insn is available.
1259
1260 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
1261
1262         PR c++/53524
1263         * doc/invoke.texi (Wenum-compare): Update documentation.
1264
1265 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
1266
1267         PR target/53559
1268         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1269         operands.
1270         (altivec_stvlxl): Ditto.
1271         (altivec_stvrx): Ditto.
1272         (altivec_stvrxl): Ditto.
1273
1274 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
1275
1276         PR middle-end/47530
1277         * trans-mem.c (expand_block_edges): Do not skip the first
1278         statement when resetting the BB.
1279
1280 2012-06-04  Richard Guenther  <rguenther@suse.de>
1281
1282         PR middle-end/53471
1283         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1284         create new assembler names.
1285
1286 2012-06-04  Richard Guenther  <rguenther@suse.de>
1287
1288         Backport from mainline
1289         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1290
1291         PR middle-end/52979
1292         * stor-layout.c (get_best_mode): Don't return mode with bitsize
1293         larger than maxbits.  Don't compute maxbits modulo align.
1294         Also check that unit bytes long store at bitpos / unit * unit
1295         doesn't affect bits beyond bitregion_end.
1296         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1297         would not fit into bitregion_start ... bitregion_end + 1 bit
1298         region.
1299         (store_split_bit_field): Decrease unit close to end of bitregion_end
1300         if access is restricted in order to avoid mutual recursion.
1301
1302 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
1303
1304         Backport from 2012-06-04 mainline r188172
1305
1306         PR target/46261
1307         * config/avr/avr-stdint.h: New file.
1308         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1309         newlib-stdint.h
1310
1311 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
1312
1313         PR tree-optimization/53550
1314         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1315         is POINTER_TYPE_P, use sizetype as step type instead of type.
1316
1317 2012-06-04  Richard Guenther  <rguenther@suse.de>
1318             Eric Botcazou  <ebotcazou@adacore.com>
1319
1320         Backport from mainline
1321         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
1322
1323         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1324         Change type of BITOFFSET to signed.  Make sure the lower bound of
1325         the computed range is non-negative by adjusting OFFSET and BITPOS.
1326         (expand_assignment): Adjust call to get_bit_range.
1327
1328         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1329
1330         * expr.c (get_bit_range): Return the null range if the enclosing record
1331         is part of a larger bit field.
1332
1333         2012-03-20  Richard Guenther  <rguenther@suse.de>
1334
1335         * stor-layout.c (finish_bitfield_representative): Fallback
1336         to conservative maximum size if the padding up to the next
1337         field cannot be computed as a constant.
1338         (finish_bitfield_layout): If we cannot compute the distance
1339         between the start of the bitfield representative and the
1340         bitfield member start a new representative.
1341         * expr.c (get_bit_range): The distance between the start of
1342         the bitfield representative and the bitfield member is zero
1343         if the field offsets are not constants.
1344
1345         2012-03-16  Richard Guenther  <rguenther@suse.de>
1346
1347         * stor-layout.c (finish_bitfield_representative): Fall back
1348         to the conservative maximum size if we cannot compute the
1349         size of the tail padding.
1350
1351         2012-03-14  Richard Guenther  <rguenther@suse.de>
1352
1353         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1354         * stor-layout.c (start_bitfield_representative): New function.
1355         (finish_bitfield_representative): Likewise.
1356         (finish_bitfield_layout): Likewise.
1357         (finish_record_layout): Call finish_bitfield_layout.
1358         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1359         for QUAL_UNION_TYPE fields.
1360         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1361         Stream DECL_BIT_FIELD_REPRESENTATIVE.
1362         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1363
1364         PR middle-end/52080
1365         PR middle-end/52097
1366         PR middle-end/48124
1367         * expr.c (get_bit_range): Unconditionally extract bitrange
1368         from DECL_BIT_FIELD_REPRESENTATIVE.
1369         (expand_assignment): Adjust call to get_bit_range.
1370
1371 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1372
1373         PR middle-end/53501
1374         * fold-const.c (fold_binary_loc): Refine previous change.
1375
1376 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1377
1378         Backport from mainline
1379         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
1380
1381         PR target/52667
1382         * config/sh/sh.c (find_barrier): Add equality check of last_got to
1383         avoid going above orig insn.  Update comments.
1384
1385 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1386
1387         Backport from mainline
1388         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1389
1390         PR target/52642
1391         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1392         prologue for unwinder and profiler.
1393
1394 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1395
1396         Backport from mainline
1397         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1398
1399         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1400
1401 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1402
1403         Backport from mainline
1404         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1405
1406         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1407         DBX_REGISTER_NUMBER.
1408
1409 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1410
1411         Backport from mainline
1412         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1413
1414         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1415         operand is CONST_INT.  Take COSTS_N_INSNS into account.
1416         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1417         shiftcosts.     
1418
1419 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1420
1421         * config/avr/avr.opt (-msp8): Document it.
1422         * doc/invoke.texi (AVR Options): Copy from trunk docu.
1423
1424 2012-05-31  Richard Guenther  <rguenther@suse.de>
1425
1426         PR middle-end/48493
1427         * expr.c (expand_assignment): Do not use movmisalign on
1428         non-memory.
1429
1430 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1431
1432         PR target/52999
1433         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1434         (pa_section_type_flags): New.
1435         (pa_legitimate_constant_p): Revert previous change.
1436
1437 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
1438
1439         Backport from mainline
1440         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
1441
1442         PR middle-end/53008
1443         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1444         accessed indirectly.
1445         (ipa_tm_create_version): Same.
1446
1447 2012-05-30  Jason Merrill  <jason@redhat.com>
1448
1449         PR c++/53220
1450         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1451         about array compound literals.
1452
1453 2012-05-30  Richard Guenther  <rguenther@suse.de>
1454
1455         PR middle-end/53501
1456         * fold-const.c (fold_binary_loc): Make sure to call
1457         fold_plusminus_mult_expr with the original sign of operands.
1458
1459 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1460
1461         * explow.c (probe_stack_range): Restore simple control flow and stop
1462         again when the probe cannot be generated if HAVE_check_stack.
1463
1464 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
1465
1466         PR rtl-optimization/53519
1467         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1468         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1469
1470 2012-05-29  Richard Guenther  <rguenther@suse.de>
1471
1472         PR tree-optimization/53516
1473         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1474         bitfield accesses.
1475         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1476
1477 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1478
1479         Backport from mainline
1480         2012-05-28  Richard Guenther  <rguenther@suse.de>
1481
1482         PR tree-optimization/53438
1483         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1484
1485 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1486
1487         Backport from mainline
1488         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1489
1490         PR rtl-optimization/52528
1491         * combine.c (can_combine_p): Add setting of subst_low_luid
1492         before call to expand_field_assignment().
1493
1494 2012-05-26  Martin Jambor  <mjambor@suse.cz>
1495
1496         Backport from mainline
1497         2012-05-23  Martin Jambor  <mjambor@suse.cz>
1498
1499         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1500
1501 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1502
1503         PR lto/52178
1504         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1505         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1506
1507 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1508
1509         PR target/53435
1510         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1511         (ix86_expand_vec_perm): Use int mode instead of float.
1512
1513 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1514
1515         PR ada/52362
1516         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1517         gnu_ld variables to yes.
1518         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1519         (HAVE_GNU_AS): Likewise.
1520         * config.in: Regenerate.
1521         * configure: Likewise.
1522
1523 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1524
1525         Backport from mainline
1526         2012-03-12  Richard Guenther  <rguenther@suse.de>
1527         * config/arm/arm.c (neon_dereference_pointer): Do not call
1528         covert during RTL expansion.
1529
1530 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1531
1532         Backport from mainline
1533         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1534
1535         PR target/53385
1536         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1537         relied on signed overflow behavior.
1538
1539 2012-05-24  Richard Guenther  <rguenther@suse.de>
1540
1541         PR middle-end/53460
1542         * tree-profile.c (tree_profiling): Cleanup the CFG if
1543         execute_fixup_cfg requests it.
1544
1545 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1546
1547         PR tree-optimization/53465
1548         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1549         vr0 into *vr, then vrp_meet that.
1550         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1551         have any equivalences.
1552         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1553         first time.
1554
1555 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1556
1557         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1558         size handling.
1559         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1560         (iterative_hash_gimple_type): Adjust comment.
1561         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1562         domain for an array type instead of the domain type itself.
1563
1564 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1565
1566         Backport from 2012-05-23 mainline r187803
1567
1568         PR target/53448
1569         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1570         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1571         ASM_OUTPUT_ALIGN.
1572
1573 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1574
1575         Backport from 2012-05-03 mainline r187075
1576
1577         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1578         has_fma4 for AMD processors with both fma3 and fma4 support.
1579
1580 2012-05-22  Richard Guenther  <rguenther@suse.de>
1581
1582         PR tree-optimization/53408
1583         * tree-vect-loop.c (vectorizable_induction): Properly check
1584         the restriction that we cannot handle induction results from
1585         the inner loop outside of the outer loop.
1586
1587 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1588
1589         PR tree-optimization/53436
1590         * omp-low.c (omp_build_component_ref): New function.
1591         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1592
1593         PR tree-optimization/53366
1594         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1595         tests if complex_numbers == 2, but there are non-complex number loads
1596         too.
1597
1598         PR tree-optimization/53409
1599         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1600         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1601
1602         PR tree-optimization/53410
1603         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1604         instead of build_int_cst (type, 0) where vector types might be
1605         involved.
1606
1607 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1608
1609         PR c/53418
1610         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1611         from folded operands before wrapping another around the
1612         conditional expression.
1613
1614 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
1615             Patrick Marlier  <patrick.marlier@gmail.com>
1616
1617         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1618         indirect calls.
1619
1620 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1621
1622         Backport from mainline
1623         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1624
1625         PR target/53416
1626         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1627         (UNSPECV_RDRAND): This.
1628         (rdrand<mode>_1): Updated.
1629
1630 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1631
1632         Backport from mainline
1633         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1634
1635         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1636         RDRND, F16C and FSGSBASE.
1637
1638 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1639
1640         Backport from mainline
1641         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1642
1643         * tree-ssa-pre.c (can_value_number_call): Delete.
1644         (compute_avail): Skip all statements with side effects.
1645         <GIMPLE_CALL>: Skip calls to internal functions.
1646
1647 2012-05-18  David S. Miller  <davem@davemloft.net>
1648
1649         Backport r185385 from mainline
1650         2012-03-14  Richard Guenther  <rguenther@suse.de>
1651
1652         PR middle-end/52584
1653         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1654         element type instead of mode, use build_vector_type_for_mode
1655         instead of the langhook, build a vector of proper signedness.
1656         (expand_vector_operations_1): Adjust.
1657
1658 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1659
1660         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1661         $(libsubdir) as libexecsubdir.
1662
1663 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1664
1665         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1666         GIMPLE_ASSIGN.
1667
1668 2012-05-16  David S. Miller  <davem@davemloft.net>
1669
1670         * jump.c (delete_related_insns): If we remove a CALL, make sure
1671         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1672
1673 2012-05-16  Richard Henderson  <rth@redhat.com>
1674
1675         PR debug/52727
1676         * combine-stack-adj.c (prev_active_insn_bb): New.
1677         (next_active_insn_bb): New.
1678         (force_move_args_size_note): New.
1679         (combine_stack_adjustments_for_block): Use it.
1680
1681 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1682
1683         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1684         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1685         Add comments and improve stamp preservation across the whole sequence.
1686         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1687
1688 2012-05-16  Richard Guenther  <rguenther@suse.de>
1689
1690         PR tree-optimization/53364
1691         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1692         detect a view-conversion of the decl.
1693
1694 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1695
1696         PR target/53358
1697         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1698         that operands[2] is either immediate, or q_regs_operand.
1699
1700 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1701
1702         Backport r187139 from mainline.
1703         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1704
1705         PR rtl-optimization/52804
1706         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1707         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1708         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1709         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1710         RELOAD_FOR_OUTADDR_ADDRESS.
1711
1712 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1713
1714         PR target/46098
1715         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1716         generate target register for "load" class builtins.
1717
1718         Revert:
1719         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1720
1721         PR target/46098
1722         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1723         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1724         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1725         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1726         (<sse>_movu<ssemodesuffix>): New expander.
1727         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1728         (avx_movdqu<avxmodesuffix>): New expander.
1729         (*sse2_movdqu): Rename from sse2_movdqu.
1730         (sse2_movdqu): New expander.
1731
1732 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1733
1734         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1735         lineno 1 the same as lineno 0 before first start file directive.
1736         (optimize_macinfo_range): Likewise.
1737
1738         * dwarf2out.c (have_macinfo): Define.
1739         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1740         attribute, don't force empty compilation unit and don't emit any
1741         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1742
1743 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1744
1745         Backport from mainline
1746         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1747
1748         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1749         ORDERED and UNORDERED conditions.
1750
1751 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1752
1753         * function.c (requires_stack_frame_p): If the function can throw
1754         non-call exceptions, return true if the insn can throw internally.
1755
1756 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1757
1758         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1759         DECL_ORIGINAL_TYPE if it is present.
1760
1761 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1762
1763         Backport from 2012-05-12 mainline r187342.
1764
1765         PR target/53256
1766         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1767         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1768         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1769         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1770         (expand_prologue): Move initialization of cfun->machine->is_naked,
1771         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1772         (avr_set_current_function): ...this new static function.
1773         (TARGET_SET_CURRENT_FUNCTION): New define.
1774         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1775         checking attributes of current_function_decl.
1776         (avr_regs_to_save): Ditto.
1777         (signal_function_p): Rename to avr_signal_function_p.
1778         (interrupt_function_p): Rename to avr_interrupt_function_p.
1779
1780         * doc/extend.texi (Function Attributes): Better explanation of
1781         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1782         alphabetical order.
1783
1784 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1785
1786         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1787
1788 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1789
1790         PR target/53272
1791         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1792         when a constant source operand matches an "I" constraint, the "no
1793         CC0 change" applies to a register-destination only, not a
1794         strict_low_part-destination.
1795
1796 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1797
1798         Backport from mainline:
1799         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1800
1801         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1802
1803 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1804
1805         PR tree-optimization/53239
1806         * tree-vrp.c (get_value_range): Set VR of
1807         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1808         to nonnull.
1809
1810 2012-05-07  Richard Guenther  <rguenther@suse.de>
1811
1812         PR tree-optimization/53195
1813         * tree-inline.c (setup_one_parameter): Properly add referenced
1814         vars from the parameters new known value.
1815
1816 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1817
1818         Backport from mainline:
1819         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1820
1821         PR target/52999
1822         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1823         in constant pool.
1824
1825 2012-05-04  Ian Lance Taylor  <iant@google.com>
1826
1827         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1828         values from false to NULL.
1829
1830 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1831
1832         Backport from mainline
1833         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1834
1835         PR target/53228
1836         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1837         (TARGET_CMOV): Rename from TARGET_CMOVE.
1838         (TARGET_CMOVE): New define.
1839         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1840         Do not set TARGET_CMOVE here.
1841
1842 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1843
1844         Backport from mainline:
1845
1846         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1847
1848         PR tree-optimization/52633
1849         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1850         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1851         (vect_recog_over_widening_pattern): Remove handling of code that was
1852         already detected as over-widening pattern.  Remove special handling
1853         of "unsigned" cases.  Instead, support general case of conversion
1854         of the shift result to another type.
1855
1856         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1857
1858         * tree-vect-patterns.c (vect_single_imm_use): New function.
1859         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1860         (vect_recog_over_widening_pattern): Likewise.
1861         (vect_recog_widen_shift_pattern): Likewise.
1862
1863         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1864
1865         PR tree-optimization/52870
1866         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1867         presumed pattern statement is within the same loop or basic block.
1868
1869 2012-05-04  Richard Guenther  <rguenther@suse.de>
1870
1871         * common.opt (flto-report): Do not mark as Optimization.
1872
1873 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1874
1875         PR target/48496
1876         * recog.c (constrain_operands): If extra constraints are present, also
1877         accept pseudo-registers with equivalent memory locations during reload.
1878
1879 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1880
1881         Backport from the mainline
1882         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1883
1884         PR target/53199
1885         * config/rs6000/rs6000.md (bswapdi splitters): If
1886         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1887         default) is used, generate an alternate sequence that does not
1888         depend on using indexed addressing.
1889
1890 2012-05-03  David S. Miller  <davem@davemloft.net>
1891
1892         PR target/52684
1893         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1894         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1895         (sparc_emit_float_lib_cmp): Likewise.
1896
1897 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1898
1899         Backport from mainline
1900         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1901
1902         PR lto/52605
1903         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1904         of a variable when the contect is a function.
1905
1906 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1907
1908         PR plugins/53126
1909         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1910         append program name to it and pass that as first argument
1911         to make_relative_prefix.  Always pass standard_libexec_prefix
1912         as last argument to make_relative_prefix.  If
1913         make_relative_prefix returns NULL, fall back to
1914         standard_libexec_prefix.
1915
1916         PR debug/53174
1917         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1918         removed.
1919
1920         PR target/53187
1921         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1922         mode, return that mode.
1923
1924 2012-05-03  Richard Guenther  <rguenther@suse.de>
1925
1926         PR tree-optimization/53144
1927         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1928         Rename to ...
1929         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1930         with SSA name values.
1931         (vn_reference_lookup_3): Adjust callers.
1932
1933 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1934
1935         PR tree-optimization/53163
1936         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1937         return value from compute_all_dependences.
1938
1939         PR rtl-optimization/53160
1940         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1941         has been modified by ree pass already.
1942
1943 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1944
1945         Backport from mainline
1946         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1947
1948         PR middle-end/53136
1949         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1950         calls to cgraph_node_name in xstrdup.
1951         (ipa_make_edge_direct_to_target): Ditto.
1952         * tree-sra.c (convert_callers_for_node): Ditto.
1953         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1954         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1955         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1956         (cgraph_materialize_all_clones): Ditto.
1957         * ipa-inline.c (report_inline_failed_reason): Ditto.
1958         (want_early_inline_function_p): Ditto.
1959         (edge_badness): Ditto.
1960         (update_edge_key): Ditto.
1961         (flatten_function): Ditto.
1962         (ipa_inline): Ditto.
1963         (inline_always_inline_functions): Ditto.
1964         (early_inline_small_functions): Ditto.
1965
1966 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1967
1968         Backport from mainline
1969         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1970
1971         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1972         Introduce emul_name to select the right linker emulation for
1973         powerpc64-*-freebsd*.
1974         * configure: Regenerate.
1975         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1976         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1977         * config/rs6000/freebsd64.h: New file.
1978         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1979         POWERPC_FREEBSD.
1980         (rs6000_savres_strategy): Likewise.
1981         (rs6000_savres_routine_name): Likewise.
1982         (rs6000_elf_file_end): Likewise.
1983         * config/rs6000/t-freebsd64: New file.
1984         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1985         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1986
1987 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1988
1989         Backport from mainline
1990         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1991
1992         PR target/53138
1993         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1994
1995 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1996
1997         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1998         predicate to discriminate types.
1999
2000 2012-04-27  Richard Guenther  <rguenther@suse.de>
2001
2002         PR c/51527
2003         * convert.c (convert_to_integer): Avoid infinite recursion for
2004         target-defined built-in types.
2005
2006 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
2007
2008         PR target/53120
2009         * config/cris/cris.md ("*andhi_lowpart_v32")
2010         ("*andqi_lowpart_v32"): Change first input-only operand from
2011         a (match_operand ...) to (match_dup 0).  Drop alternatives with
2012         const_int-matching constraints for redundancy.
2013         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
2014         three-operand alternative.
2015
2016 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
2017
2018         Backport from mainline
2019         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
2020
2021         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
2022         (*addsi_2_zext): Ditto.
2023         (*add<mode>_3): Ditto.
2024         (*addsi_3_zext): Ditto.
2025         (*add<mode>_5): Ditto.
2026
2027 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
2028
2029         PR c/52880
2030         * c-typeck.c (set_nonincremental_init,
2031         set_nonincremental_init_from_string): Pass true instead of false
2032         as IMPLICIT to add_pending_init.
2033
2034 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
2035
2036         Backport from 2012-04-24 mainline r186768.
2037
2038         PR target/53065
2039         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
2040
2041 2012-04-24  Richard Guenther  <rguenther@suse.de>
2042
2043         PR tree-optimization/53085
2044         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
2045         stores.
2046
2047 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
2048
2049         PR middle-end/53084
2050         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
2051         of MEM_REF.
2052         (output_addressed_constants): Likewise.
2053
2054         PR middle-end/52999
2055         * varasm.c (get_section): Don't ICE for section conflicts with
2056         built-in section kinds.
2057
2058 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
2059
2060         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
2061
2062 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
2063
2064         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
2065
2066 2012-04-23  Richard Guenther  <rguenther@suse.de>
2067
2068         PR c/53060
2069         * c-typeck.c (build_binary_op): Fix typo.
2070
2071 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
2072
2073         PR tree-optimizations/52891
2074         * tree-vect-patterns.c (adjust_bool_pattern): Use
2075         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2076         but with non-standard precision.
2077
2078 2012-04-22  Ian Lance Taylor  <iant@google.com>
2079
2080         * godump.c (go_output_typedef): Dump size of structs.
2081
2082 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
2083
2084         Backport from mainline:
2085
2086         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2087         hints for 'A' operand types.
2088
2089 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
2090
2091         Backport from 2012-04-19 mainline r186588.
2092
2093         PR target/53033
2094         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2095         the case *(X+const).
2096
2097 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
2098
2099         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2100
2101 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
2102
2103         PR target/53020
2104         * config/i386/sync.md (atomic_<code><mode>): Rename to
2105         atomic_<logic><mode>.
2106
2107 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
2108
2109         Backport from mainline
2110         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
2111
2112         PR target/52932
2113         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2114         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
2115         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2116         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2117         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2118         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2119         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2120         gen_avx2_permvarv8sf.
2121
2122 2012-04-16  Martin Jambor  <mjambor@suse.cz>
2123
2124         Backported from mainline
2125
2126         2012-04-13  Martin Jambor  <mjambor@suse.cz>
2127         PR middle-end/52939
2128
2129         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2130         fold_ctor_reference returns a zero constant.
2131
2132 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2133
2134         Backported from mainline
2135         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2136
2137         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2138         and __ILP32__ for x32.
2139
2140 2012-04-13  Tom de Vries  <tom@codesourcery.com>
2141
2142         Backport from mainline r186418.
2143
2144         2012-04-13  Tom de Vries  <tom@codesourcery.com>
2145
2146         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2147         parameters vuse and vuse_escaped.
2148         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
2149         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
2150         vuse1 != vuse2.
2151
2152 2012-04-13  Richard Guenther  <rguenther@suse.de>
2153
2154         PR tree-optimization/52969
2155         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2156         the condition for the COND_EXPR and handle predicate negation
2157         by swapping the COND_EXPR arms.
2158
2159 2012-04-13  Richard Guenther  <rguenther@suse.de>
2160
2161         PR c/52862
2162         * convert.c (convert_to_pointer): Remove special-casing of
2163         zero.
2164
2165 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2166
2167         Backport from mainline
2168         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2169
2170         PR target/52775
2171         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2172         the list of options to enable the FCFID instruction.
2173         (TARGET_EXTRA_BUILTINS): Adjust comment.
2174
2175 2012-04-12  Richard Guenther  <rguenther@suse.de>
2176
2177         PR tree-optimization/52943
2178         * tree-chrec.h (chrec_is_positive): Remove.
2179         * tree-scalar-evolution.c (chrec_is_positive): Move ...
2180         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
2181         Return false for a constant zero instead of negative.
2182         (analyze_siv_subscript_cst_affine): Handle zero difference
2183         in the initial condition explicitely.
2184
2185 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2186
2187         PR middle-end/52894
2188         * varasm.c (process_pending_assemble_externals): Set
2189         pending_assemble_externals_processed true.
2190         (assemble_external): Call assemble_external_real if the pending
2191         assemble externals have been processed.
2192
2193 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2194
2195         PR target/52717
2196         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2197         the DECL generated for the special GOT helper.
2198
2199 2012-04-06  Walter Lee  <walt@tilera.com>
2200
2201         Backport from mainline
2202         2012-03-07  Walter Lee  <walt@tilera.com>
2203
2204         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2205         REG_CFA_* notes for the stack pointer.
2206         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2207         EH_RETURN_STACKADJ_RTX.
2208         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2209         generate REG_CFA_* notes for the stack pointer.
2210         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2211         by EH_RETURN_STACKADJ_RTX.
2212
2213 2012-04-06  Matt Turner  <mattst88@gmail.com>
2214
2215         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2216
2217 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
2218
2219         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2220         of the destination isn't also a FP_REGS register.
2221
2222 2012-04-03  Richard Guenther  <rguenther@suse.de>
2223
2224         Backport from mainline
2225         2012-03-02  Richard Guenther  <rguenther@suse.de>
2226
2227         PR tree-optimization/52406
2228         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2229         (struct indices): Add unconstrained_base member.
2230         (struct dr_alias): Remove unused vops member.
2231         (DR_UNCONSTRAINED_BASE): New define.
2232         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2233         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
2234         be an artificial access that covers the whole indexed object,
2235         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
2236         plain decl base-objects to their MEM_REF variant.
2237         (dr_may_alias_p): When the base-object of either data reference
2238         has unknown size use only points-to information.
2239         (compute_affine_dependence): Make dumps easier to read and
2240         more verbose.
2241         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2242         DR_REF when looking for packed references.
2243         (vect_supportable_dr_alignment): Likewise.
2244
2245 2012-04-03  Richard Guenther  <rguenther@suse.de>
2246
2247         Backport from mainline
2248         2012-03-15  Richard Guenther  <rguenther@suse.de>
2249
2250         PR middle-end/52580
2251         * tree-data-ref.c (subscript_dependence_tester_1): Check
2252         all dimensions for non-conflicting access functions.
2253
2254 2012-04-03  Richard Guenther  <rguenther@suse.de>
2255
2256         Backport from mainline
2257         2012-03-06  Richard Guenther  <rguenther@suse.de>
2258
2259         PR middle-end/52493
2260         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2261
2262         2012-03-23  Richard Guenther  <rguenther@suse.de>
2263
2264         PR tree-optimization/52678
2265         * tree-vectorizer.h (struct _stmt_vec_info): Add
2266         loop_phi_evolution_part member.
2267         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2268         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2269         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2270         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2271         Use the cached evolution part and the PHI nodes value from
2272         the loop preheader edge instead of re-analyzing the evolution.
2273
2274         2012-03-26  Richard Guenther  <rguenther@suse.de>
2275
2276         PR tree-optimization/52701
2277         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2278         compute and set the evolution part of PHI nodes.
2279
2280         2012-03-30  Richard Guenther  <rguenther@suse.de>
2281
2282         PR tree-optimization/52754
2283         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2284         propagate arbitrary addresses into really plain dereferences.
2285
2286 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
2287
2288         PR tree-optimization/52835
2289         * tree-data-ref.c (build_rdg): Return NULL if
2290         compute_data_dependences_for_loop failed.
2291
2292 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
2293
2294         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2295         (stmt_can_make_abnormal_goto): Use it.
2296         (is_ctrl_altering_stmt): Likewise.
2297
2298 2012-03-31  Martin Jambor  <mjambor@suse.cz>
2299
2300         Backported from mainline
2301         2012-03-30  Martin Jambor  <mjambor@suse.cz>
2302
2303         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2304         is a builtin_stack_save in a dominating BB.
2305
2306 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2307
2308         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2309         crossing 128bit lane boundary.
2310
2311 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2312
2313         Backported from mainline
2314         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
2315
2316         PR target/52698
2317         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2318         New prototype.
2319         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2320         * config/i386/i386.c: Include reload.h.
2321         (ix86_legitimize_reload_address): New function.
2322
2323 2012-03-28  Martin Jambor  <mjambor@suse.cz>
2324
2325         Backported from mainline
2326         2012-03-27  Martin Jambor  <mjambor@suse.cz>
2327
2328         PR middle-end/52693
2329         * tree-sra.c (sra_modify_assign): Do not call
2330         load_assign_lhs_subreplacements when working with an unscalarizable
2331         region.
2332
2333 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2334
2335         PR middle-end/52691
2336         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2337         __builtin_va_start to __builtin_next_arg if the latter is
2338         builtin_decl_explicit_p rather than when it is not.
2339
2340         PR middle-end/52750
2341         * tree-vect-generic.c (vector_element): Perform multiplication
2342         for pos in bitsizetype type instead of idx type.
2343
2344 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2345
2346         Backport from 2012-03-28 mainline r185910.
2347
2348         PR target/52692
2349         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2350         (avr_builtin_decl): New static function.
2351         (struct avr_builtin_description, avr_bdesc): Move up.
2352         Add GTY marker. Add field fndecl. Remove redundant field id.
2353         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2354         (avr_expand_builtin): Code cleanup because .id is removed.
2355
2356 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
2357
2358         PR middle-end/51893
2359         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2360         targets.
2361
2362 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2363
2364         Backport from 2012-03-28 mainline r185907.
2365
2366         PR target/52737
2367         * config.gcc (tm_file): Remove avr/multilib.h.
2368
2369         * doc/invoke.texi (AVR Options): Adjust
2370         documentation of -mtiny-stack.
2371
2372         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2373         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2374         * config/avr/t-avr: Remove generation of multilib.h.
2375         * config/avr/t-multilib: Regenerate.
2376         * config/avr/multilib.h: Remove.
2377         * config/avr/avr.opt (-msp8): New option.
2378         (avr_sp8): New variable.
2379         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2380         * config/avr/avr.h (AVR_HAVE_SPH): New define.
2381         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2382         (avr_device_to_sp8): New prototype.
2383         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2384         (DRIVER_SELF_SPECS): New define.
2385         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2386         __AVR_SP8__, __AVR_HAVE_SPH__.
2387         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2388         AVR_HAVE_8BIT_SP to decide if SP_H is present.
2389         (avr_file_start): Ditto.
2390
2391 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2392
2393         PR target/52736
2394         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2395         instead of 8 in adjust_address.
2396
2397 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
2398
2399         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2400         of a unit before computing the offset in units.
2401
2402 2012-03-27  Richard Guenther  <rguenther@suse.de>
2403
2404         PR middle-end/52720
2405         * fold-const.c (try_move_mult_to_index): Handle &x.array more
2406         explicitely.
2407
2408 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2409
2410         PR target/52610
2411         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2412
2413 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
2414
2415         PR middle-end/52640
2416         * varasm.c: Include pointer-set.h.
2417         (pending_assemble_externals_set): New pointer set.
2418         (process_pending_assemble_externals): Destroy the pointer set.
2419         (assemble_external): See if decl is in pending_assemble_externals_set,
2420         and add it to pending_assemble_externals if necessary.
2421         (init_varasm_once): Allocate pending_assemble_externals_set.
2422
2423 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2424
2425         Backported from mainline
2426         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2427
2428         PR target/50310
2429         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2430         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2431         (vector_ltgt<mode>): Likewise.
2432         (vector_ordered<mode>): Likewise.
2433         (vector_unordered<mode>): Likewise.
2434         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2435
2436 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
2437
2438         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2439         Make static.
2440
2441 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2442
2443         Backported from mainline
2444         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
2445
2446         PR target/48596
2447         PR target/48806
2448         * config/sh/sh.c (sh_register_move_cost): Increase cost between
2449         GENERAL_REGS and FP_REGS for SImode.
2450
2451 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2452
2453         PR middle-end/52547
2454         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2455         on any new_local_var_chain vars declared during recursing on
2456         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2457
2458 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2459
2460         Backport from 2012-03-22 mainline r185692.
2461
2462         PR target/52496
2463         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2464         (unspecv): Add UNSPECV_MEMORY_BARRIER.
2465         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2466         (delay_cycles_1, delay_cycles_2): Ditto.
2467         (delay_cycles_3, delay_cycles_4): Ditto.
2468         (nopv, *nopv): Ditto.
2469         (sleep, *sleep): Ditto.
2470         (wdr, *wdr): Ditto.
2471
2472         Backport from 2012-03-21 mainline r185605.
2473
2474         PR rtl-optimization/52543
2475         PR target/52461
2476         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2477         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2478         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2479         (avr_load_libgcc_p): Restrict to __flash loads.
2480         (avr_out_lpm): Only handle 1-byte loads from __flash.
2481         (avr_load_lpm): New function.
2482         (avr_find_unused_d_reg): Remove.
2483         (avr_out_lpm_no_lpmx): Remove.
2484         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2485         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2486         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2487         (load_<mode>, load_<mode>_clobber): New insns.
2488         (mov<mode>): For multi-byte move from non-generic
2489         16-bit address spaces: Expand to load_<mode> resp.
2490         load_<mode>_clobber.
2491         (load<mode>_libgcc): Remove expander.
2492         (split-lpmx): Remove split.
2493
2494         Backport from 2012-03-13 mainline r185329.
2495
2496         PR target/52488
2497         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2498         offset (size) to a value the insns can deal with.
2499         (expand_epilogue): Ditto.
2500
2501         Backport from 2012-03-12 mainline r185256.
2502
2503         PR target/52499
2504         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2505         type from reg_class_t to enum reg_class.
2506         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2507
2508         Backport from 2012-03-12 mainline r185253.
2509
2510         PR target/52148
2511         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2512         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2513         r184615 from 2012-02-28.
2514
2515         Backport from 2012-03-08 mainline r185105.
2516
2517         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2518         for constants in [-63,63].
2519
2520         Backport from 2012-03-08 mainline r185100.
2521
2522         PR target/52496
2523         * config/avr/avr.c (avr_mem_clobber): New static function.
2524         (avr_expand_delay_cycles): Add memory clobber operand to
2525         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2526         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2527         (enable_interrupt, disable_interrupt): New expander.
2528         (nopv, sleep, wdr): New expanders.
2529         (delay_cycles_1): Add memory clobber.
2530         (delay_cycles_2): Add memory clobber.
2531         (delay_cycles_3): Add memory clobber.
2532         (delay_cycles_4): Add memory clobber.
2533         (cli_sei): New insn from former "enable_interrupt",
2534         "disable_interrupt" with memory clobber.
2535         (*wdt): New insn from former "wdt" with memory clobber.
2536         (*nopv): Similar, but for "nopv".
2537         (*sleep): Similar, but for "sleep".
2538
2539         Backport from 2012-03-07 mainline r185043.
2540
2541         PR target/52484
2542         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2543
2544         Backport from 2012-03-07 mainline r185032.
2545
2546         PR target/52506
2547         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2548         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2549         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2550
2551         Backport from 2012-03-07 mainline r185031.
2552
2553         PR target/52505
2554         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2555         from RAM.
2556         * config/avr/avr.md (xload_8): Adjust insn length.
2557
2558         Backport from 2012-03-07 mainline r185030.
2559
2560         PR target/52461
2561         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2562         if RAMPZ affects reading from RAM.
2563
2564         Backport from 2012-03-05 mainline r184919.
2565
2566         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2567
2568 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2569
2570         Backport from mainline r185259.
2571
2572         PR other/52545
2573         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2574         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2575
2576 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2577
2578         Backported from mainline
2579         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
2580
2581         PR c/52577
2582         * c-parser.c (c_parser_postfix_expression)
2583         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2584
2585         * config/i386/smmintrin.h: Avoid /* within a comment.
2586         * config/i386/nmmintrin.h: Likewise.
2587
2588 2012-03-22  Richard Guenther  <rguenther@suse.de>
2589
2590         * BASE-VER: Set to 4.7.1.
2591         * DEV-PHASE: Set to prerelease.
2592
2593 2012-03-22  Release Manager
2594
2595         * GCC 4.7.0 released.
2596
2597 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2598
2599         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2600
2601 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
2602             Andrew Pinski  <apinski@cavium.com>
2603
2604         PR middle-end/52592
2605         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2606         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2607         calls instead of __builtin_ir{int,ound}*.
2608
2609 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
2610
2611         PR c++/52582
2612         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2613         if c_node is NULL.
2614
2615 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2616
2617         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2618         Refer to GCC 4.7 version of c99status.html.
2619
2620 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2621
2622         Backport from mainline
2623         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2624
2625         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2626         redefine to be NULL if the current bit-size is different from the
2627         configured bit-size.
2628
2629         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2630         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2631         set the default tuning.  Add asserts to make sure the cpu and tune
2632         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2633         test whether the index is set, instead of > 0.
2634         (rs6000_file_start): Do not reset the default cpu if the current
2635         bit-size is different from the configured bit-size.
2636
2637 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2638
2639         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2640         binutils reference.
2641         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2642         Update binutils references.
2643         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2644         Update binutils reference.
2645         Update Sun as/GNU ld caveat.
2646         Document binutils largefile requirement for LTO plugin.
2647         Remove reference to alternate libpthread.
2648
2649 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2650
2651         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2652         reference.
2653         (Specific, mips-sgi-irix6): Likewise.
2654
2655 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2656
2657         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2658         * configure: Regenerate.
2659
2660 2012-03-07  Richard Henderson  <rth@redhat.com>
2661
2662         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2663         * config/m68k/sync.md (atomic_test_and_set): Use it.
2664         (atomic_test_and_set_1): Likewise.
2665
2666 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
2667
2668         PR target/51417
2669         * Makefile.in: Let install-gcc-ar depend on installdirs,
2670         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2671         Don't double canonicalize if cross-compiling.
2672
2673 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2674
2675         * trans-mem.c: New typedef for tm_region_p.
2676         Define vector types for tm_region_p.
2677         (tm_region_init): Replace region_worklist to a vector called
2678         bb_regions.
2679
2680 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2681
2682         PR middle-end/52463
2683         * trans-mem.c (tm_region_init): Use last_basic_block.
2684
2685 2012-03-05  Richard Henderson  <rth@redhat.com>
2686
2687         PR tree-opt/52242
2688         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2689         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2690         BIGGEST_ALIGNMENT is aligned.
2691
2692 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2693
2694         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2695
2696 2012-03-05  Richard Henderson  <rth@redhat.com>
2697
2698         PR target/52481
2699         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2700         instead of calling negqi2 directly.
2701
2702 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2703
2704         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2705         (INTMAX_TYPE): Use it.
2706         (UINTMAX_TYPE): Likewise.
2707         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2708         (irix6_c_common_override_options): Declare.
2709         (C_COMMON_OVERRIDE_OPTIONS): Define.
2710         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2711         * config/mips/irix6-c.c: New file.
2712         * config/mips/t-irix6 (irix6-c.o): New target.
2713         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2714         cxx_target_objs.
2715
2716 2012-03-02  Richard Henderson  <rth@redhat.com>
2717
2718         * optabs.c (expand_atomic_test_and_set): Honor
2719         atomic_test_and_set_trueval even when atomic_test_and_set
2720         optab is not in use.
2721
2722 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2723
2724         Backport from mainline
2725         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2726
2727         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2728
2729 2012-03-02  Richard Guenther  <rguenther@suse.de>
2730
2731         * DEV-PHASE: Set to prerelease.
2732
2733 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2734
2735         * config.gcc (obsolete): Add all ARM targets using the FPA.
2736         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2737         * doc/install.texi: Avoid references to obsolete ARM ports.
2738
2739 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2740
2741         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2742
2743 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2744             Joern Rennecke  <joern.rennecke@embecosm.com>
2745
2746         * doc/extend.texi: Expand and update information on interrupt
2747         attribute for Epiphany.
2748
2749 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2750
2751         * config/sh/sh-protos.h: Update copyright notice dates.
2752         * config/sh/sh.h: Likewise.
2753         * config/sh/sh.md: Likewise.
2754         * config/sh/constraints.md: Likewise.
2755         * config/sh/predicates.md: Likewise.
2756
2757 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2758
2759         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2760         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2761
2762 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2763
2764         * config/sh/constraints.md: Fix comment typo.
2765
2766 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2767
2768         PR target/52408
2769         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2770         unsigned HOST_WIDE_INT.
2771         (zvdep_imm64): Likewise.
2772         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2773         (vdepi_and): Likewise.
2774         Likewise for unamed 64-bit patterns.
2775         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2776
2777 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2778
2779         PR debug/52001
2780         PR rtl-optimization/52417
2781         * cselib.c (cselib_any_perm_equivs): New variable.
2782         (cselib_reset_table): Check that it's not set when not
2783         preserving constants.
2784         (cselib_add_permanent_equiv): Set it.
2785         (cselib_have_permanent_equivalences): New.
2786         (cselib_init, cselib_finish): Reset it.
2787         * cselib.h (cselib_have_permanent_equivalences): Declare.
2788         * alias.c (get_addr): Restore earlier behavior when there
2789         aren't permanent equivalences.
2790
2791 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2792
2793         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2794         * config/v850/v850-modes.def: Fix copyright notice.
2795
2796 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2797
2798         * doc/extend.texi (AVR Built-in Functions): Document
2799         __builtin_avr_flash_segment.
2800
2801         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2802         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2803         (*split.flash_segment): New insn-and-split.
2804         * config/avr/avr.c (avr_init_builtins): Add local variables:
2805         const_memx_void_node, const_memx_ptr_type_node,
2806         char_ftype_const_memx_ptr.
2807
2808 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2809
2810         PR tree-optimization/52445
2811         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2812         add ssa_name_ver, offset and size fields and change store field
2813         to bool.
2814         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2815         (add_or_mark_expr): Likewise.  Only consider previous stores
2816         with the same size and offset.
2817         (nt_init_block): Only look at gimple_assign_single_p stmts,
2818         doesn't look at rhs2.
2819
2820 2012-03-01  Richard Guenther  <rguenther@suse.de>
2821
2822         PR middle-end/52443
2823         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2824         conversions from integral types to pointer types.
2825
2826 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2827
2828         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2829         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2830         unintentionally removed in r184616.
2831
2832 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2833
2834         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2835         3DNow from bdver1.
2836
2837 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2838             Uros Bizjak  <ubizjak@gmail.com>
2839
2840         PR target/52437
2841         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2842         alternatives, add "e" constraint to the new last alternative
2843         and ! to last 3 alternatives.
2844
2845 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2846
2847         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2848         DW_AT_artificial attributes at the end of the processing.
2849         (gen_array_type_die): Likewise.
2850         (gen_enumeration_type_die): Likewise.
2851         (gen_struct_or_union_type_die): Likewise.
2852         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2853         the parent type.
2854
2855 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2856
2857         PR middle-end/52419
2858         * expr.c (expand_assignment): If doing misaligned store that doesn't
2859         cover all mode bits, perform a RMW cycle.
2860
2861         PR tree-optimization/52429
2862         * tree-parloops.c (separate_decls_in_region_debug): Return early
2863         if var is LABEL_DECL.
2864
2865 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2866
2867         PR tree-optimization/52424
2868         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2869         calling dom_thread_across_edge.
2870
2871 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2872
2873         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2874
2875 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2876
2877         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2878         * config/avr/avr.c (avr_output_bld): Remove unused function.
2879         (avr_out_sbxx_branch): Use "%T" to print bit position.
2880
2881 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2882
2883         * config/avr/avr.md: Untabify.
2884
2885 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2886
2887         * config/avr/avr.md (eqne): New code iterator.
2888         (*dec-and-branchsi): Use it in text peephole's condition.
2889         (*dec-and-branchhi): Ditto.
2890         (*dec-and-branchqi): Ditto.
2891
2892 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2893
2894         PR target/49939
2895         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2896         the device does not have the skip-bug.
2897
2898 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2899
2900         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2901         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2902         -mpretend-cmove): New.
2903
2904 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2905
2906         PR bootstrap/52397
2907         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2908         doesn't count DEBUG_INSN refs.
2909         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2910         for DEBUG_INSN refs.
2911
2912 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2913
2914         Partially revert:
2915
2916         2012-02-20  Richard Guenther  <rguenther@suse.de>
2917         PR tree-optimization/52298
2918         * tree-vect-stmts.c (vectorizable_load): Properly use
2919         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2920         outer loops.
2921
2922 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2923
2924         PR middle-end/51752
2925         * gimple.h (gimple_in_transaction): New.
2926         (gimple_set_in_transaction): New.
2927         (struct gimple_statement_base): Add in_transaction field.
2928         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2929         transaction loads.
2930         (tree_ssa_lim_initialize): Compute transaction bits.
2931         * tree.h (compute_transaction_bits): Protoize.
2932         * trans-mem.c (tm_region_init): Use the heap to store BB
2933         auxilliary data.
2934         (compute_transaction_bits): New.
2935
2936 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2937
2938         * gcc.c (display_help): Document --help=common and sort entries
2939         alphabetically.
2940
2941 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2942
2943         * doc/install.texi: Document check-$LANG specific shortcuts
2944
2945 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2946
2947         PR target/51534
2948         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2949         and vcgtu.
2950         * config/arm/arm_neon.h: Regenerate.
2951         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2952         (neon_vcgeu): New insn.
2953         (neon_vcgtu): Likewise.
2954         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2955         (ops): Unsigned comparison intrinsics call a different
2956         builtin.
2957
2958 2012-02-28  Richard Guenther  <rguenther@suse.de>
2959
2960         PR target/52407
2961         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2962         ordering for the VEC_CONCAT for two element vectors for
2963         V2SFmode, V2SImode and V2DImode.
2964
2965 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2966
2967         PR target/49448
2968         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2969         detecting big-endian triplets.
2970
2971 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2972
2973         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2974         mode if there is no type information available.
2975
2976 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2977
2978         PR tree-optimization/53207
2979         * doc/invoke.texi: Document as experimental and relying on graphite.
2980
2981 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2982
2983         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2984         of initializer to changes from r184614.
2985
2986 2012-02-28  Richard Guenther  <rguenther@suse.de>
2987
2988         PR tree-optimization/52395
2989         * tree-sra.c (build_ref_for_offset): Also look at the base
2990         TYPE_ALIGN when figuring out the alignment of the replacement.
2991
2992 2012-02-28  Richard Guenther  <rguenther@suse.de>
2993
2994         PR tree-optimization/52402
2995         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2996         mis-aligned types when creating the accesses at the call site.
2997
2998 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2999
3000         * config/avr/builtins.def: New file.
3001         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
3002         * config/avr/avr.c (enum avr_builtin_id): Use it.
3003         (avr_init_builtins): Use it. And use avr_bdesc.
3004         (bdesc_1arg): Remove.
3005         (bdesc_2arg): Remove.
3006         (bdesc_3arg): Remove.
3007         (struct avr_builtin_description): Add field n_args.
3008         (avr_bdesc): New static variable using builtins.def.
3009         (avr_expand_builtin): Use it.
3010         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
3011         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
3012         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
3013
3014 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3015
3016         PR target/52148
3017         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
3018         match only one single hard register with respective hard reg rtx.
3019         (movmemx_<mode>): Ditto.
3020         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3021         insn anatomy of movmem[x]_<mode>.
3022         (avr_out_movmem): Same for printing assembler and operand usage.
3023
3024 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3025
3026         PR target/49868
3027         PR target/52261
3028         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3029         address spaces located outside of device flash.
3030
3031         * config/avr/avr.h (base_arch_s): Remove field n_segments.
3032         (mcu_type_s): Add field n_flash.
3033         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3034         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3035         (AVR_MCU): Add N_FLASH argument.
3036         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3037         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3038         macro __FLASH<n> if that address space makes sense for the device.
3039         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3040         outside of target flash.
3041         (avr_asm_named_section): Ditto.
3042         (avr_asm_select_section): Ditto.
3043         (avr_addr_space_convert): Ditto.
3044         (avr_emit_movmemhi): Ditto.
3045         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3046         address space is outside of device flash.
3047         (avr_insert_attributes): Ditto.
3048         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3049         avr_current_arch->n_segments.
3050
3051 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
3052
3053         PR target/52352
3054         * config/i386/i386.md (*movabs<mode>_1): Enable only for
3055         TARGET_LP64.
3056         (*movabs<mode>_2): Likewise.
3057
3058 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
3059
3060         PR target/52375
3061         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3062         s_register_operand in the test instead of REG_P.  Don't call
3063         gen_reg_rtx if it won't be used.
3064
3065         PR tree-optimization/52376
3066         * ipa-split.c (split_function): Ignore CLOBBER stmts.
3067
3068 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
3069
3070         * ifcvt.c (noce_get_condition): Check condition variable is not
3071         small_register_classes_for_mode_p before accepting.
3072
3073 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
3074
3075         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3076
3077 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3078
3079         Revert:
3080         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3081         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3082         tuning parameters.
3083         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3084
3085 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
3086
3087         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3088
3089 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
3090
3091         * config/sh/predicates.md: Remove blank lines.
3092         * config/sh/sh.c: Fix typos in comments.
3093         * config/sh/constraints.md: Likewise.
3094         * config/sh/sh.md: Remove blank lines.
3095         Fix typos in comments.  Use ;; as comment characters.
3096
3097 2012-02-26  Walter Lee  <walt@tilera.com>
3098
3099         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3100         (replace_mov_pcrel_step2): Ditto.
3101
3102 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
3103
3104         PR debug/52001
3105         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3106         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
3107         and locs that reference values newer than the non-canonical value
3108         at hand.  Return the canonical value as a worst case.
3109         (memrefs_conflict_p): Walk canonical value's locs.
3110
3111         PR debug/52001
3112         * cselib.c (preserve_only_constants): Rename to...
3113         (preserve_constants_and_equivs): ... this.  Split out...
3114         (invariant_or_equiv_p): ... this.  Preserve plus expressions
3115         of other preserved expressions too.
3116         (cselib_reset_table): Adjust.
3117         * var-tracking.c (reverse_op): Use canonical value to build
3118         reverse operation.
3119
3120 2012-02-23  Kai Tietz  <ktietz@redhat.com>
3121
3122         * config/i386/i386.c (ix86_delegitimize_address): Handle
3123         UNSPEC_PCREL plus displacement.
3124
3125 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
3126
3127         PR target/52261
3128         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3129         to test for unusedness in st X addressing.
3130
3131 2012-02-24  Richard Guenther  <rguenther@suse.de>
3132
3133         PR middle-end/52361
3134         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3135         (is_gimple_reg_type): Move inline ...
3136         * gimple.h (is_gimple_reg_type): ... here.
3137
3138 2012-02-24  Richard Guenther  <rguenther@suse.de>
3139
3140         PR middle-end/52361
3141         * passes.c (execute_function_todo): When verifying SSA form
3142         verify gimple form first.
3143         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3144
3145 2012-02-24  Richard Guenther  <rguenther@suse.de>
3146
3147         PR middle-end/52355
3148         * fold-const.c (fold_addr_of_array_ref_difference): New function.
3149         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3150
3151 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3152
3153         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3154
3155 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3156
3157         * tree-phinodes.c (make_phi_node): Mark static.
3158         * tree-flow.h (make_phi_node): Remove extern decl.
3159         * doc/gimple.texi (make_phi_node): Remove documentation.
3160
3161 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3162
3163         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3164         * tree-ssa-sccvn.c (print_scc): Ditto.
3165
3166 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3167
3168         * doc/passes.texi (Full redundancy elimination): Fix typo.
3169
3170 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3171
3172         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3173
3174 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
3175
3176         PR bootstrap/52287
3177         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3178
3179 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
3180
3181         PR c/52290
3182         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3183
3184 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
3185
3186         * config/avr/avr.md (code_stdname): Add ior, xor.
3187         (xior): New code iterator.
3188         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3189         (*<code_stdname><mode>qi.byte1-3): Ditto.
3190
3191 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
3192
3193         PR tree-optimization/52019
3194         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3195         CLOBBER stmts.
3196
3197 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3198
3199         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3200         HAVE_INITFINI_ARRAY to work around namespace pollution in
3201         certain versions of newlib system headers.
3202         * config.in: Regenerate.
3203         * configure: Regenerate.
3204         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3205         instead of HAVE_INITFINI_ARRAY.
3206
3207 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
3208
3209         PR target/52330
3210         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3211         is not offsettable memory reference.
3212
3213 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3214
3215         PR target/18145
3216         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3217         setting avr_need_clear_bss_p for __gnu_lto* symbols.
3218
3219 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3220
3221         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3222         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3223
3224 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3225
3226         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3227         library on Solaris 8 even without TLS support.
3228         * configure: Regenerate.
3229
3230 2012-02-22  Richard Guenther  <rguenther@suse.de>
3231
3232         PR middle-end/52329
3233         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3234         for GIMPLE_DEBUG stmts.
3235
3236 2012-02-22  Martin Jambor  <mjambor@suse.cz>
3237
3238         PR middle-end/51782
3239         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3240         according to the base object.
3241
3242 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3243
3244         PR rtl-optimization/50063
3245         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3246         and 2 (8-bit SP) in operand 2.
3247         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3248         setup to use movhi_sp_r instead of vanilla move to write SP.
3249         Adjust REG_CFA notes to superseed unspec.
3250         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3251         of vanilla move.
3252         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3253         known to be off) only with TARGET_NO_INTERRUPTS. Never use
3254         irq_state 1 (IRQ known to be on) here.
3255
3256 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
3257
3258         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3259         WORDS_BIG_ENDIAN.
3260         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3261         assign_hard_reg): Likewise.
3262
3263 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3264
3265         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3266
3267 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3268
3269         * config/avr/avr.md
3270         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3271         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3272
3273 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3274
3275         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3276         prototype from here to...
3277         * config/avr/avr.h: ...here.
3278
3279 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
3280
3281         PR target/52294
3282         * thumb2.md (thumb2_shiftsi3_short): Split register and
3283         immediate shifts.  For register shifts tie operands 0 and 1.
3284         (peephole2 for above): Check that register-controlled shifts
3285         have suitably tied operands.
3286
3287 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
3288
3289         PR target/52137
3290         * config/i386/bdver1.md (bdver1_call, bdver1_push,
3291         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3292         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3293         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3294         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3295         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3296         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3297         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3298         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3299         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3300         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3301         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3302         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3303         bdver1_ssevector_avx256_unaligned_load,
3304         bdver1_ssevector_sse128_unaligned_load,
3305         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3306         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3307         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3308         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3309         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3310         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3311         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3312         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3313         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3314         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3315         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3316         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3317         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3318         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3319         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3320         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3321         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3322         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3323         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3324         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3325         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3326         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3327         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3328         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3329         bdver1_ssediv_double_load, bdver1_ssediv_double,
3330         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3331         Add "bdver2" attribute.
3332
3333 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3334
3335         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3336         default if possible and not specified otherwise.
3337
3338 2012-02-21  Richard Guenther  <rguenther@suse.de>
3339
3340         PR middle-end/52314
3341         * gimplify.c (create_tmp_from_val): Use the main variant type
3342         for the type of the temporary we create.
3343
3344 2012-02-21  Richard Guenther  <rguenther@suse.de>
3345
3346         PR tree-optimization/52324
3347         * gimplify.c (gimplify_expr): When re-gimplifying expressions
3348         do not gimplify a MEM_REF address operand if it is already
3349         in suitable form.
3350
3351 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3352
3353         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3354         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3355
3356 2012-02-21  Richard Guenther  <rguenther@suse.de>
3357
3358         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3359         nested_in_vect_loop.
3360
3361 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
3362
3363         PR tree-optimization/52318
3364         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3365         vdef also to non-pure/const call stmts in the sequence.
3366
3367 2012-02-20  David S. Miller  <davem@davemloft.net>
3368
3369         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3370         don't use the "rd %pc" instruction on v9 for PIC register loads.
3371
3372 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
3373
3374         PR middle-end/52141
3375         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3376         in a transaction safe function.
3377
3378 2012-02-20  Kai Tietz  <ktietz@redhat.com>
3379
3380         PR target/52238
3381         * stor-layout.c (place_field): Handle desired_align for
3382         ms-bitfields, too.
3383
3384 2012-02-20  Richard Guenther  <rguenther@suse.de>
3385
3386         PR tree-optimization/52298
3387         * tree-vect-stmts.c (vectorizable_store): Properly use
3388         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3389         outer loops.
3390         (vectorizable_load): Likewise.
3391         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3392         Access DR_STEP after ensuring it is not NULL.
3393
3394 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
3395
3396         PR tree-optimization/52286
3397         * fold-const.c (fold_binary_loc): For (X & C1) | C2
3398         optimization use double_int_to_tree instead of build_int_cst_wide,
3399         rewrite to use double_int vars.
3400
3401 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3402
3403         PR target/50166
3404         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3405         Define _start.
3406         Remove -e 0 from $gcc_cv_ld invocation.
3407         Only use __GLIBC_PREREQ if defined.
3408         Enable on Solaris since Solaris 8 patch.
3409         (gcc_SUN_LD_VERSION): New macro.
3410         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3411         gcc_SUN_LD_VERSION for version number format.
3412         * configure: Regenerate.
3413         * varasm.c (get_elf_initfini_array_priority_section): Set
3414         SECTION_NOTYPE for non-default priority.
3415         Use get_section instead of get_unnamed_section to emit
3416         .init_array/.fini_array with default priority.
3417
3418 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3419
3420         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3421         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
3422         (mips_start_unique_function, mips_output_mips16_rdhwr)
3423         (mips_code_end): New functions.
3424         (TARGET_ASM_CODE_END): Define.
3425
3426 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3427
3428         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3429         to stubs with non-sibling calls.
3430
3431 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3432
3433         * doc/invoke.texi (-fira-* options): Copy-edit.
3434         (ira-* parameters): Copy-edit.
3435
3436 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3437
3438         * doc/invoke.texi: Minor copy-edits to bring into conformance with
3439         GCC coding conventions.
3440
3441 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3442
3443         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3444         when used as adjectives.
3445
3446 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
3447
3448         * doc/invoke.texi: Clean up "that"/"which" confusion.
3449
3450 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
3451
3452         * system.h: Poison SMALL_REGISTER_CLASSES
3453         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3454         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3455
3456 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3457
3458         PR tree-optimization/52285
3459         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3460         when deciding if a call is a tail call or tail recursion.
3461
3462 2012-02-16  Kai Tietz  <ktietz@redhat.com>
3463
3464         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3465         interger-constant displacement for UNSPEC_PCREL.
3466
3467 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3468
3469         PR rtl-optimization/52208
3470         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3471         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3472
3473         PR tree-optimization/52255
3474         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3475         loop->header has virtual PHI, but exit_e->dest doesn't, add
3476         virtual PHI to exit_e->dest and adjust all uses after the loop.
3477
3478         PR debug/52260
3479         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3480         children with clone_tree_hash, not after it.
3481
3482 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
3483
3484         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3485         extended identifiers.
3486
3487 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3488
3489         PR middle-end/51929
3490         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3491         a same_body_alias, also test whether e->callee isn't a former
3492         or current clone of the decl this is a same body alias of.
3493
3494         PR translation/52264
3495         * cgraphunit.c (verify_cgraph_node): Fix a typo.
3496
3497 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3498
3499         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3500
3501 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3502
3503         PR target/52199
3504         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3505         force_reg instead of copy_to_reg for better optimization.  Force
3506         non-register or memory operands into a register.
3507
3508 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
3509
3510         * extend.texi: Reserve upper bits of memory model for future use.
3511
3512 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
3513             Anatoly Sokolov <aesok@post.ru>
3514             Eric Weddington <eric.weddington@atmel.com>
3515
3516         PR target/52261
3517         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3518         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3519         Rewrite initializers for .macro.
3520         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3521         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3522         atxmega32d4, atxmega32x1.
3523         avrxmega4: atxmega64a3, atxmega64d3.
3524         avrxmega5: atxmega64a1, atxmega64a1u.
3525         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3526         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3527         avrxmega7: atxmega128a1, atxmega128a1u.
3528         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3529         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3530         (struct base_arch_s): Rename reserved to xmega_p.
3531         Rename reserved2 to have_rampd.
3532         (AVR_XMEGA): New define.
3533         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3534         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3535         * config/avr/predicates.md (io_address_operand): Take into
3536         account SFR offset.
3537         (low_io_address_operand): Ditto.
3538         (high_io_address_operand): Ditto.
3539         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3540         (enabled, movhi_sp_r): Use them.
3541         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3542         cpp_define_formatted to built-in define __AVR_ARCH__.
3543         (__AVR_XMEGA__): New built-in define.
3544         (__AVR_HAVE_RAMPD__): New built-in define.
3545         (__AVR_HAVE_RAMPX__): New built-in define.
3546         (__AVR_HAVE_RAMPY__): New built-in define.
3547         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3548
3549         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3550         (avr_option_override): Initialize them.
3551         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3552         (avr_init_expanders): Initialize them. No more block several calls.
3553         (emit_push_sfr): New static function.
3554         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3555         Handle AVR_XMEGA.
3556         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3557         (avr_print_operand): Print addreeses as symbols for
3558         RAMPX, RAMPY, RAMPD, CCP.
3559         (output_movhi): Handle AVR_XMEGA when writing to SP.
3560         (avr_out_movhi_mr_r_xmega): New static function.
3561         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3562         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
3563         __RAMPD__,  __CCP__ as needed.
3564
3565         * config/avr/multilib.h: Regenerate.
3566         * config/avr/t-multilib: Regenerate.
3567         * config/avr/avr-tables.opt: Regenerate.
3568
3569 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
3570
3571         PR tree-optimization/50561
3572         * graphite-flattening.c (lst_project_loop): Do not
3573         remove old scattering dimensions after flattening.
3574         (lst_do_flatten): Likewise.
3575
3576 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
3577
3578         * doc/extend.texi (AVR Built-in Functions): Remove doc for
3579         __builtin_avr_map8, __builtin_avr_map16.
3580         Document __builtin_avr_insert_bits.
3581
3582         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3583         (insert_bits): New insn.
3584         (adjust_len.map_bits): Rename to insert_bits.
3585         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3586         * avr-protos.h (avr_out_map_bits): Remove.
3587         (avr_out_insert_bits, avr_has_nibble_0xf): New.
3588         * config/avr/constraints.md (Cxf,C0f): New.
3589         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3590         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3591         New built-in define __BUILTIN_AVR_INSERT_BITS.
3592         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3593         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3594         (avr_move_bits): Rewrite.
3595         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3596         functions.
3597         (avr_map_op_t): New typedef.
3598         (avr_map_op): New static variable.
3599         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3600         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3601         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3602         (bdesc_3arg, avr_expand_triop_builtin): New.
3603         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3604         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3605         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3606         (avr_map_equal_p, avr_map_sig_p): Remove.
3607         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3608         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3609         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3610         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3611         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3612         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3613
3614 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3615
3616         * config/c6x/c6x.md (reserve_cycles): New attribute.
3617         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3618         don't reserve functional units after the branch occurs.
3619
3620 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
3621
3622         PR middle-end/52142
3623         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3624         functions into non-tm_pure functions.
3625
3626 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3627
3628         PR lto/52178
3629         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3630         (iterative_hash_canonical_type): Likewise.
3631         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3632         the dead edges.
3633
3634 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3635
3636         * haifa-sched.c (prune_ready_list): Ensure that if there is a
3637         sched-group insn, it either remains alone or the entire list is pruned.
3638
3639 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3640
3641         * doc/install.texi (Prerequisites): Fix grammar.
3642         (Configuration): Likewise.
3643
3644 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3645
3646         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3647         MPC as part of GCC before describing configuring with --with-gmp etc.
3648         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3649         sources are present.
3650
3651 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3652
3653         PR debug/51950
3654         * dwarf2out.c (clone_tree_hash): New function.
3655         (copy_decls_walk): Use it instead of clone_tree.
3656
3657 2012-02-14  Richard Guenther  <rguenther@suse.de>
3658
3659         PR tree-optimization/52244
3660         PR tree-optimization/51528
3661         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3662         replacements for integral types.
3663
3664 2012-02-14  Walter Lee  <walt@tilera.com>
3665
3666         * config.gcc: Handle tilegx and tilepro.
3667         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3668         tilegx and tilepro.
3669         Add HAVE_AS_TLS check for tilegx and tilepro.
3670         * configure: Regenerate.
3671         * doc/contrib.texi: Add Mat Hostetter and self.
3672         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3673         Document instruction intrinsics and network accessing intrinsics.
3674         (TILEPro Built-in Functions): New node.  Document instruction
3675         intrinsics and network accessing intrinsics.
3676         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3677         (Specific, tilepro-*-linux*): Likewise.
3678         * doc/invoke.texi (TILE-Gx Options): New section.
3679         (TILEPro Options): New section.
3680         * doc/md.texi (TILE-Gx): New section.
3681         (TILEPro): New section.
3682         * common/config/tilegx/tilegx-common.c: New file.
3683         * common/config/tilepro/tilepro-common.c: New file.
3684         * config/tilegx/constraints.md: New file.
3685         * config/tilegx/linux.h: New file.
3686         * config/tilegx/mul-tables.c: New file.
3687         * config/tilegx/predicates.md: New file.
3688         * config/tilegx/sync.md: New file.
3689         * config/tilegx/t-tilegx: New file.
3690         * config/tilegx/tilegx-builtins.h: New file.
3691         * config/tilegx/tilegx-c.c: New file.
3692         * config/tilegx/tilegx-generic.md: New file.
3693         * config/tilegx/tilegx-modes.def: New file.
3694         * config/tilegx/tilegx-multiply.h: New file.
3695         * config/tilegx/tilegx-protos.h: New file.
3696         * config/tilegx/tilegx.c: New file.
3697         * config/tilegx/tilegx.h: New file.
3698         * config/tilegx/tilegx.md: New file.
3699         * config/tilegx/tilegx.opt: New file.
3700         * config/tilepro/constraints.md: New file.
3701         * config/tilepro/gen-mul-tables.cc: New file.
3702         * config/tilepro/linux.h: New file.
3703         * config/tilepro/mul-tables.c: New file.
3704         * config/tilepro/predicates.md: New file.
3705         * config/tilepro/t-tilepro: New file.
3706         * config/tilepro/tilepro-builtins.h: New file.
3707         * config/tilepro/tilepro-c.c: New file.
3708         * config/tilepro/tilepro-generic.md: New file.
3709         * config/tilepro/tilepro-modes.def: New file.
3710         * config/tilepro/tilepro-multiply.h: New file.
3711         * config/tilepro/tilepro-protos.h: New file.
3712         * config/tilepro/tilepro.c: New file.
3713         * config/tilepro/tilepro.h: New file.
3714         * config/tilepro/tilepro.md: New file.
3715         * config/tilepro/tilepro.opt: New file.
3716
3717 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3718
3719         PR tree-optimization/52210
3720         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3721         vect_model_simple_cost with two entry vect_def_type array instead
3722         of an address of dt.
3723
3724 2012-02-14  Richard Guenther  <rguenther@suse.de>
3725
3726         PR lto/52178
3727         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3728         Do not stream DECL_QUALIFIER.
3729         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3730         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3731         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3732
3733 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3734
3735         PR c/52181
3736         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3737         newdecl.
3738
3739 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3740
3741         PR bootstrap/52172
3742         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3743         * cselib.c (cselib_subst_to_values_from_insn): New function.
3744         * sched-deps.c (add_insn_mem_dependence,
3745         sched_analyze_1, sched_analyze_2): Use it.
3746
3747 2012-02-13  Jan Hubicka  <jh@suse.cz>
3748
3749         PR middle-end/52214
3750         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3751
3752 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3753
3754         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3755         (GTM_SELF_SPECS): Define if not already defined.
3756         (driver_self_specs): Add GTM_SELF_SPECS.
3757         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3758         (GTM_SELF_SPECS): Define.
3759         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3760         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3761
3762 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3763
3764         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3765         away if seen.
3766
3767         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3768
3769         PR middle-end/52230
3770         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3771         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3772
3773 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3774
3775         PR c/52190
3776         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3777
3778 2012-02-13  Richard Guenther  <rguenther@suse.de>
3779
3780         PR translation/52211
3781         * passes.c (enable_disable_pass): Fix typo.
3782
3783 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3784
3785         PR middle-end/52209
3786         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3787         XOR for reduce_bit_field if type is unsigned.
3788
3789 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3790
3791         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3792         disallow changes from SFmode to mode with different size in FP regs.
3793
3794 2012-02-12  Robert Millan  <rmh@gnu.org>
3795             Gerald Pfeifer <gerald@pfeifer.com>
3796
3797         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3798         Tweak comment.
3799
3800 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3801
3802         PR rtl-optimization/52175
3803         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3804         to frame-related instructions.
3805
3806 2012-02-10  Jason Merrill  <jason@redhat.com>
3807
3808         PR c++/51910
3809         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3810         (demangle_new_symbols): Fill it.
3811         (scan_linker_output): Walk it.
3812         (start_tweaking): Split out from scan_linker_output.
3813         (maybe_tweak): Update sym->chosen.
3814         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3815
3816 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3817
3818         PR debug/52132
3819         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3820
3821 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3822
3823         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3824         having the same mode as previous compare.
3825
3826 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3827
3828         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3829         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3830         (nonlocal_goto_internal): Likewise.
3831         (nonlocal_goto): Emit a use and an indirect jump directly.
3832
3833 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3834
3835         PR c/52190
3836         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3837         __atomic_{is,always}_lock_free.
3838
3839 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3840
3841         PR target/52146
3842         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3843         negative constant address for x32.
3844
3845 2012-02-10  Richard Henderson  <rth@redhat.com>
3846
3847         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3848         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3849         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3850
3851 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3852             Ira Rosen  <irar@il.ibm.com>
3853
3854         PR tree-optimization/50031
3855         * targhooks.c (default_builtin_vectorization_cost): Handle
3856         vec_promote_demote.
3857         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3858         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3859         all types of reduction and pattern statements.
3860         (vect_estimate_min_profitable_iters): Likewise.
3861         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3862         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3863         for explicit realigns.
3864         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3865         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3866         vec_promote_demote.
3867         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3868         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3869         vec_perm for VSX and handle vec_promote_demote.
3870
3871 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3872
3873         PR middle-end/52177
3874         * builtins.c (fold_builtin_atomic_always_lock_free,
3875         expand_builtin_atomic_always_lock_free,
3876         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3877         Return and/or test boolean_true_node/boolean_false_node instead of
3878         integer_one_node/integer_zero_node.
3879
3880 2012-02-10  Jan Hubicka  <jh@suse.cz>
3881
3882         PR middle-end/48600
3883         * predict.c (predict_paths_for_bb): Prevent looping.
3884         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3885
3886 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3887
3888         * config/arm/arm.c (output_move_double): In one case properly
3889         count number of instructions that will be emitted.
3890
3891 2012-02-10  Richard Guenther  <rguenther@suse.de>
3892
3893         PR translation/52193
3894         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3895
3896 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3897
3898         PR middle-end/52140
3899         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3900
3901 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3902
3903         PR debug/52165
3904         * var-tracking.c (emit_note_insn_var_location): If
3905         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3906         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3907         non-NOTE_DURING_CALL_P insn.
3908
3909 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3910
3911         PR middle-end/51867
3912         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3913
3914 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3915
3916         PR driver/48524
3917         * gcc.c (switch_matches) Support switches with separated form,
3918         -D and -U.
3919
3920 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3921
3922         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3923         (SP_ADDR): Ditto.
3924         (RAMPZ_ADDR): Ditto.
3925         * config/avr/avr.c (avr_addr_t): New typedef.
3926         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3927         (avr_init_expanders): Initialize it.
3928         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3929         SREG_ADDR.
3930         (expand_epilogue): Ditto.
3931         (avr_print_operand): Ditto.
3932         (avr_file_start): Ditto.
3933         (avr_emit_movmemhi): Ditto.
3934
3935 2012-02-08  Richard Guenther  <rguenther@suse.de>
3936
3937         PR tree-optimization/46886
3938         * tree-flow.h (do_while_loop_p): Declare.
3939         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3940         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3941
3942 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3943
3944         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3945         always succeed for integers larger than a native word.
3946
3947 2012-02-08  Richard Guenther  <rguenther@suse.de>
3948
3949         PR rtl-optimization/52170
3950         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3951         properly handle integer vector modes.
3952
3953 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3954
3955         PR gcov-profile/52150
3956         * coverage.c: Include target.h.
3957         (build_var): Call targetm.strip_name_encoding on the assembler name.
3958         Change one _ into . or $ if the target allows it.
3959         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3960
3961         PR rtl-optimization/52139
3962         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3963         is a BARRIER after emit_insn_after_noloc, move BB_END
3964         to the last non-BARRIER insn before it.
3965
3966 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3967
3968         PR middle-end/24306
3969         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3970         (mips_gimplify_va_arg_expr): Call it instead of
3971         std_gimplify_va_arg_expr.
3972
3973 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3974
3975         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3976         message for -mno-pointers-to-nested-function.
3977
3978 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3979
3980         PR middle-end/51994
3981         * expr.c (get_inner_reference): If there is an offset, add a negative
3982         bit position to it (if any).
3983
3984 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3985
3986         PR rtl-optimization/52060
3987         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3988         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3989         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3990         and/or i0src_copy2 when needed.
3991
3992 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3993
3994         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3995         or LTOPLUGINSONAME if have_c.
3996
3997         * config/freebsd-spec.h: Add comment about what macros can be defined
3998         in this header.
3999         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
4000         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
4001         here instead.
4002
4003 2012-02-07  Richard Guenther  <rguenther@suse.de>
4004
4005         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
4006         newline in -alias dumps.
4007
4008 2012-02-07  Kai Tietz  <ktietz@redhat.com>
4009             Dave Korn  <dave.korn.cygwin@gmail.com>
4010
4011         PR target/40068
4012         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4013         Take care that typinfo gets dllexport-attribute.
4014
4015 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
4016
4017         PR middle-end/52074
4018         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
4019         if modifier < EXPAND_SUM call force_operand on the result.
4020
4021 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
4022
4023         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4024         adding __forwarder_dst__ prefix if a forwarder_section attribute is
4025         present.
4026         (epiphany_function_type): Replace types for specific interrupts with
4027         EPIPHANY_FUNCTION_INTERRUPT.
4028         (EPIPHANY_INTERRUPT_P): Update.
4029         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4030         New static function.
4031         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4032         <disinterrupt>: Affects type identity.
4033         (epiphany_handle_interrupt_attribute): Handle variable number of
4034         arguments.
4035         (epiphany_compute_function_type): Update for new
4036         epiphany_function_type definition.
4037         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4038         handlers with a longcall forwarder.
4039         (epiphany_start_function): Handle multiple interrupt arguments and/or
4040         forwarder_section attribute.
4041
4042         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4043         libgloss.
4044
4045 2012-02-07  Alan Modra  <amodra@gmail.com>
4046
4047         PR target/52107
4048         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4049         subregs of TFmode.
4050
4051 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4052
4053         PR tree-optimization/50969
4054         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4055         use vec_perm rather than vector_stmt.
4056         (vect_model_load_cost): Likewise.
4057         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4058         vec_perm to be the same as other vector statements.
4059         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4060         cost of vec_perm for TARGET_VSX.
4061
4062 2012-02-06  Richard Guenther  <rguenther@suse.de>
4063
4064         PR tree-optimization/52115
4065         * tree-sra.c (access_has_replacements_p): New function.
4066         (sra_modify_assign): Use it to decide whether a use is uninitialized.
4067
4068 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
4069
4070         PR middle-end/52047
4071         * trans-mem.c (expand_call_tm): Add an assertion.
4072         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4073         functions.
4074
4075 2012-02-06  Richard Guenther  <rguenther@suse.de>
4076
4077         PR tree-optimization/50955
4078         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4079         raise cost of expressions that replace an address with an
4080         expression based on a different pointer.
4081
4082 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
4083
4084         PR target/52129
4085         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4086         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4087
4088 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
4089
4090         PR c++/48680
4091         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4092         -Weffc++ and specify guidelines come from second edition.
4093
4094 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
4095
4096         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4097         (sibcall_value_multiple_internal, call_split, call_internal_direct)
4098         (call_direct_split, call_value_split, call_value_internal_direct)
4099         (call_value_direct_split, call_value_multiple_split): Use jal and
4100         jal_macro attributes.
4101
4102 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
4103
4104         * reload1.c (reload_regs_reach_end_p): Replace with...
4105         (reload_reg_rtx_reaches_end_p): ...this function.
4106         (new_spill_reg_store): Update commentary.
4107         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4108         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4109         before setting new_spill_reg_store.
4110         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4111         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4112         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4113         for non-spill reload registers.
4114
4115 2012-02-05  Ira Rosen  <irar@il.ibm.com>
4116
4117         PR tree-optimization/52091
4118         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4119         (vect_is_simple_use_1): Likewise.
4120         * tree-vect-loop.c (vectorizable_reduction): Update calls
4121         to vect_is_simple_use_1 and vect_is_simple_use.
4122         (vectorizable_live_operation): Likewise.
4123         * tree-vect-patterns.c (widened_name_p,
4124         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4125         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4126         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4127         vectorizable_shift,vectorizable_operation, vectorizable_store,
4128         vectorizable_load): Likewise.
4129         (vect_is_simple_cond): Add an argument, pass it to
4130         vect_is_simple_use_1.
4131         (vectorizable_condition): Update calls to vect_is_simple_cond,
4132         vect_is_simple_use.
4133         (vect_is_simple_use): Add an argument, the statement in which
4134         OPERAND is used.  Check that if OPERAND's def stmt is a double
4135         reduction phi node, the use is a phi node too.
4136         (vect_is_simple_use_1): Add an argument, pass it to
4137         vect_is_simple_use.
4138         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4139         to vect_is_simple_use.
4140
4141 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
4142
4143         PR rtl-optimization/52095
4144         * modulo-sched.c (dump_insn_locator): New function.
4145         (loop_canon_p, sms_schedule): Use it.
4146
4147         PR rtl-optimization/52113
4148         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4149         even for decomposable shift/zext insns.
4150
4151 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
4152             Zdenek Dvorak  <ook@ucw.cz>
4153
4154         PR rtl-optimization/52092
4155         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4156         on get_iv_value result.
4157
4158 2012-02-02  Andrew Pinski  <apinski@cavium.com>
4159
4160         PR middle-end/47982
4161         PR middle-end/43967
4162         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4163
4164 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4165
4166         PR middle-end/48071
4167         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4168
4169 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
4170
4171         PR rtl-optimization/49800
4172         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4173         (sched_finish): Call regstat_free_n_sets_and_refs.
4174
4175 2012-02-02  Jia Liu  <proljc@gmail.com>
4176
4177         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4178         than operand 2.
4179
4180 2012-02-02  Jan Hubicka  <jh@suse.cz>
4181             Tom de Vries  <tom@codesourcery.com>
4182
4183         PR middle-end/51998
4184         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4185         * varpool.c (varpool_analyze_pending_decls): Likewise.
4186
4187 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4188             Jayant R Sonar <jayant.sonar@kpitcummins.com>
4189
4190         * config.gcc: Add cr16-* support.
4191
4192         * doc/extend.texi: Document cr16 extensions.
4193         * doc/install.texi: Document cr16 install.
4194         * doc/invoke.texi: Document cr16 options.
4195         * doc/md.texi: Document cr16 constraints.
4196
4197         * common/config/cr16/cr16-common.c: New file.
4198         * config/cr16/cr16.c: New file.
4199         * config/cr16/cr16.h: New file.
4200         * config/cr16/cr16.md: New file.
4201         * config/cr16/cr16.opt: New file.
4202         * config/cr16/cr16-protos.h: New file.
4203         * config/cr16/predicates.md: New file.
4204         * config/cr16/constraints.md: New file.
4205         * config/cr16/t-cr16: New file.
4206
4207 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4208
4209         PR target/52086
4210         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4211         that operands[2] is either immediate, or q_regs_operand.
4212
4213         PR tree-optimization/52073
4214         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4215         a pattern stmt for pattern uses, ignore uses outside of the loop.
4216
4217 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4218
4219         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4220         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4221         (OUT_AS1, OUT_AS2): Remove.
4222
4223 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4224
4225         PR rtl-optimization/51374
4226         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4227         to cross other volatile_refs_p insns.
4228
4229 2012-02-01  Richard Guenther  <rguenther@suse.de>
4230
4231         * doc/invoke.texi (fno-inline): Clarify documentation.
4232         (finline-small-functions): Likewise.
4233         (finline-functions): Likewise.
4234         * common.opt (finline): Adjust comment and documentation.
4235         (finline-small-functions): Clarify documentation.
4236         (finline-functions): Likewise.
4237         (finline-functions-called-once): Likewise.
4238
4239 2012-02-01  Tristan Gingold  <gingold@adacore.com>
4240
4241         * c-typeck.c (composite_type): Keep mode for pointers.
4242
4243 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
4244
4245         * function.h (regno_reg_rtx): Adjust comment.
4246         * reginfo.c (init_reg_modes_target): Only use the previous mode
4247         if it fits within one register.  Remove MIPS comment.
4248
4249 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4250
4251         PR bootstrap/52058
4252         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4253
4254 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4255
4256         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4257         to srak instruction.
4258
4259 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4260
4261         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4262
4263 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4264
4265         PR bootstrap/52041
4266         PR bootstrap/52039
4267         PR target/51974
4268         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4269
4270 2012-01-31  Richard Guenther  <rguenther@suse.de>
4271
4272         PR tree-optimization/51528
4273         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4274         assigns.
4275
4276 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4277
4278         PR bootstrap/52041
4279         PR bootstrap/52039
4280         PR target/51974
4281         * ree.c (add_removable_extension): Change def_map argument
4282         to unsigned *, store in def_map 1 + offset into *insn_list vector
4283         instead of pointers into the vector.
4284         (find_removable_extensions): Adjust caller.
4285
4286 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4287
4288         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4289         Transform all "* quoted-c-code" to { c-code }.
4290         Remove redundant test for "optimize" in combine patterns.
4291         Move (include "avr-dimode.md") to end of file.
4292
4293 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
4294
4295         PR target/51835
4296         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4297         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4298
4299 2012-01-30  Richard Guenther  <rguenther@suse.de>
4300
4301         PR tree-optimization/52028
4302         * tree-loop-distribution.c (ldist_gen): Properly update
4303         virtual SSA form.
4304
4305 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
4306
4307         PR debug/52027
4308         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4309         set_cur_line_info_table if not emitting debug info.
4310
4311         PR tree-optimization/52046
4312         * tree-vect-patterns.c (check_bool_pattern): Give up if
4313         a comparison could throw.
4314
4315         PR debug/52048
4316         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4317
4318 2012-01-30  Richard Guenther  <rguenther@suse.de>
4319
4320         PR tree-optimization/52045
4321         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4322         SSA form if cfgcleanup did anything.
4323
4324 2012-01-30  Richard Guenther  <rguenther@suse.de>
4325
4326         PR tree-optimization/52045
4327         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4328         before computing final todo.
4329
4330 2012-01-30  Richard Guenther  <rguenther@suse.de>
4331
4332         PR tree-optimization/51528
4333         * tree-sra.c (sra_modify_assign): Re-factor in preparation
4334         for PR51528 fix.
4335
4336 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
4337
4338         * df-problems.c (df_kill_notes): Check that the use refers
4339         to the note under examination.
4340
4341 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
4342
4343         PR target/51920
4344         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4345         parameter and use short-lived pseudos.
4346         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4347         (sparc_expand_vector_init): Const-ify local variables and adjust
4348         calls to above functions.
4349
4350 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4351
4352         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4353
4354 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
4355
4356         * doc/invoke.texi: Make usage of "compile time" and
4357         "run time"/"runtime" consistent throughout the file.
4358
4359 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
4360
4361         * config/alpha/alpha.c (alpha_option_override): Default to
4362         full IEEE compliance mode for Go language.
4363
4364 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
4365
4366         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4367         (LINK_SSP_SPEC): Define.
4368
4369 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4370
4371         PR target/51871
4372         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4373         stubs.
4374
4375 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
4376
4377         * doc/invoke.texi: Correct hyphenation of "floating point",
4378         "double precision", and related terminology throughout the file.
4379
4380 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
4381
4382         PR target/52006
4383         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4384         arm_general_register_operand predicate for operand 2 instead of
4385         register_operand.
4386
4387 2012-01-27  Ian Lance Taylor  <iant@google.com>
4388
4389         PR go/47656
4390         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4391         * builtins.c (expand_builtin_init_trampoline): Add onstack
4392         parameter.  Change caller.
4393         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4394         * tree.c (build_common_builtin_nodes): Declare
4395         __builtin_init_heap_trampoline.
4396
4397 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
4398
4399         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4400         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4401         * config/avr/avr.c: Ditto.
4402         (avr_regnames): Remove because unused.
4403         * config/avr/avr.md (*cpse.ne): New peephole.
4404         (*cpse.eq): New peephole from former cpse peepholes.
4405
4406 2012-01-27  Michael Eager  <eager@eagercon.com>
4407
4408         * config/microblaze.c (microblaze_emit_compare): Correct
4409         test after pcmp instruction.
4410
4411 2012-01-27  Richard Guenther  <rguenther@suse.de>
4412
4413         PR tree-optimization/52020
4414         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4415
4416 2012-01-27  Richard Guenther  <rguenther@suse.de>
4417
4418         * ipa-pure-const.c (check_stmt): Clobbers do not make a
4419         function non-const/pure.
4420
4421 2012-01-27  Richard Guenther  <rguenther@suse.de>
4422
4423         PR tree-optimization/50444
4424         * tree-sra.c (build_ref_for_offset): Properly adjust the
4425         MEM_REF type for unaligned accesses.
4426
4427 2012-01-27  Richard Guenther  <rguenther@suse.de>
4428
4429         PR tree-optimization/50444
4430         * expr.c (mem_ref_refers_to_non_mem_p): New function.
4431         (expand_assignment): Use it.  Properly handle misaligned
4432         bases when expanding stores to component references.
4433         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4434         refactor that case.
4435
4436 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
4437
4438         PR middle-end/51389
4439         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4440         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4441         * tree-data-ref.c (find_data_references_in_loop): Make static.
4442         (compute_all_dependences): Change return type to bool.  Bail out
4443         for too many datarefs in a loop.  Move the hunk resetting the data
4444         dependences vector from ...
4445         (compute_data_dependences_for_loop): ... here.  Account for
4446         compute_all_dependences returning false.
4447         (compute_data_dependences_for_bb): Likewise.
4448         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4449         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4450
4451 2012-01-27  Richard Guenther  <rguenther@suse.de>
4452
4453         PR middle-end/51959
4454         * expr.c (store_field): Use the alias-set of the scratch memory
4455         for storing to it.
4456
4457 2012-01-27  Tom de Vries  <tom@codesourcery.com>
4458
4459         PR tree-optimization/51990
4460         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4461         WITH_SIZE_EXPR.
4462         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4463
4464 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
4465
4466         PR debug/52001
4467         * var-tracking.c (reverse_op): Don't add any reverse operation
4468         if V already has any constant locations.
4469
4470 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4471
4472         * doc/invoke.texi: Correct usage of "command line" (noun)
4473         vs "command-line" (adjective) throughout.
4474
4475 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4476
4477         * doc/invoke.texi (Language Independent Options): Move
4478         -Wcoverage-mismatch blurb from here....
4479         (Warning Options): ...to here.
4480
4481 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
4482
4483         * config/rs6000/rs6000.c (rs6000_option_override_internal):
4484         Set rs6000_always_hint to false for 476.
4485
4486 2012-01-27  Matthias Klose  <doko@ubuntu.com>
4487
4488         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4489           system root.
4490         * incpath.c (add_standard_paths): Likewise.
4491
4492 2012-01-27  Richard Henderson  <rth@redhat.com>
4493
4494         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4495         * config/m68k/sync.md (atomic_test_and_set): Rename from
4496         sync_test_and_setqi and adjust the operands.
4497         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4498         and unconditionally enable.
4499
4500 2012-01-27  Richard Henderson  <rth@redhat.com>
4501
4502         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4503         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
4504         (ldstub): Rename from ldstubqi.
4505         (ldstub<I24MODE>): Remove.
4506
4507 2012-01-27  Richard Henderson  <rth@redhat.com>
4508
4509         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4510         * c-cppbuiltin.c (cpp_atomic_builtins): Define
4511         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4512         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4513         * doc/tm.texi: Rebuild.
4514
4515 2012-01-27  Richard Henderson  <rth@redhat.com>
4516
4517         * optabs.c (gen_atomic_test_and_set): Remove default.
4518         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4519
4520 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4521
4522         PR rtl-optimization/51978
4523         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4524         (combine_reaching_defs): Likewise.
4525         (struct re_info): Remove.
4526         (add_removable_extension): Remove x and data arguments,
4527         add insn, insn_list and def_map.  Use the arguments directly
4528         instead of using struct re_info.
4529         (find_removable_extensions): Don't call add_removable_extension
4530         through note_stores, instead just call it with single_set
4531         result if non-NULL.
4532         (find_and_remove_re): Pass curr_cand->expr instead of
4533         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4534
4535 2012-01-26  Michael Matz  <matz@suse.de>
4536
4537         PR tree-optimization/46590
4538         * cfgexpand.c: Revert last change (r183305).
4539         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4540         regs.
4541         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4542         checking for emptiness.
4543
4544 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4545
4546         PR middle-end/51895
4547         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4548         non-addressable non-BLKmode base correctly.
4549
4550 2012-01-26  Michael Matz  <matz@suse.de>
4551
4552         PR tree-optimization/48794
4553         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4554         regions referenced from RESX/EH_DISPATCH.
4555
4556 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4557
4558         * config/s390/s390.h: Make BRANCH_COST an option.
4559         * config/s390/s390.opt: New option -mbranch-cost.
4560
4561 2012-01-26  Richard Henderson  <rth@redhat.com>
4562
4563         Revert 2012-01-24 change:
4564         * trans-mem.c (requires_barrier): Do not instrument thread local
4565         variables and emit save/restore for them.
4566
4567 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4568
4569         PR middle-end/51986
4570         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4571         for pat == 0.
4572
4573 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
4574
4575         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4576         ASM_OPERANDS.
4577
4578 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
4579
4580         PR target/49868
4581         Rename __pgm to __flash.
4582         Rename __pgm1 to __flash1.
4583         Rename __pgm2 to __flash2.
4584         Rename __pgm3 to __flash3.
4585         Rename __pgm4 to __flash4.
4586         Rename __pgm5 to __flash5.
4587         Rename __pgmx to __memx.
4588         * doc/extend.texi (AVR Named Address Spaces)
4589         Rename address space names as indicated above.
4590         * config/avr/avr.c (avr_addrspace): Ditto.
4591
4592         * config/avr/avr-protos.h
4593         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4594         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4595         * config/avr/predicates.md: Ditto.
4596         * config/avr/avr.c Ditto, and
4597         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4598         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4599
4600         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4601         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4602         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4603         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4604         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4605         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4606         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4607         * config/avr/avr.c: Ditto.
4608         * config/avr/avr.md: Ditto.
4609
4610 2012-01-25  Jason Merrill  <jason@redhat.com>
4611
4612         PR c++/51992
4613         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4614
4615 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4616
4617         PR tree-optimization/51987
4618         * tree-data-ref.c (get_references_in_stmt): Handle references in
4619         non-volatile GIMPLE_ASM.
4620
4621 2012-01-25  Richard Guenther  <rguenther@suse.de>
4622
4623         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4624         bases are dereferenced.
4625
4626 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4627
4628         PR rtl-optimization/48374
4629         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4630
4631 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4632
4633         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4634         compute_data_dependences_for_loop returns false.
4635         * tree-parloops.c (loop_parallel_p): Likewise.
4636
4637 2012-01-25  Richard Guenther  <rguenther@suse.de>
4638
4639         * tree.h (get_pointer_alignment_1): Declare.
4640         * builtins.c (get_pointer_alignment_1): New function.
4641         (get_pointer_alignment): Use it.
4642
4643 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4644
4645         PR rtl-optimization/48308
4646         * combine.c (enum undo_kind): Add UNDO_LINKS.
4647         (struct undo): Add member l to other_contents and where.
4648         (do_SUBST_LINK): New.
4649         (SUBST_LINK): New.
4650         (try_combine): Handle LOG_LINKS for the dummy i1 case.
4651         (undo_all): Handle UNDO_LINKS.
4652
4653 2012-01-25  Richard Henderson  <rth@redhat.com>
4654
4655         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4656         mem inputs.
4657
4658 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4659
4660         * optabs.c (gen_atomic_test_and_set): Use each argument.
4661
4662 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4663
4664         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4665         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4666         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4667         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4668         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4669         TARGET_PAIRED_SINGLE_FLOAT.
4670
4671 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4672
4673         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4674         (in_struct, return_val): Remove MEM documentation.
4675         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4676         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4677         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4678         and MEM_SCALAR.
4679         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4680         * cfgexpand.c (add_alias_set_conflicts): Likewise.
4681         * expr.c (store_field): Likewise.
4682         * function.c (assign_stack_temp_for_type): Likewise.
4683         * ifcvt.c (noce_try_cmove_arith): Likewise.
4684         * reload1.c (reload): Likewise.
4685         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4686         (alpha_set_memflags): Likewise.
4687         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4688
4689 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4690
4691         * rtl.h (true_dependence, canon_true_dependence): Remove varies
4692         parameter.
4693         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4694         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4695         (true_dependence_1, true_dependence, canon_true_dependence): Remove
4696         varies parameter.
4697         * cselib.c (cselib_rtx_varies_p): Delete.
4698         (cselib_invalidate_mem): Update call to canon_true_dependence.
4699         * dse.c (record_store, check_mem_read_rtx): Likewise.
4700         (scan_reads_nospill): Likewise.
4701         * cse.c (check_dependence): Likewise.
4702         (cse_rtx_varies_p): Delete.
4703         * expr.c (safe_from_p): Update call to true_dependence.
4704         * ira.c (validate_equiv_mem_from_store): Likewise.
4705         (memref_referenced_p): Likewise.
4706         * postreload-gcse.c (find_mem_conflicts): Likewise.
4707         * sched-deps.c (sched_analyze_2): Likewise.
4708         * store-motion.c (load_kills_store): Likewise.
4709         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4710         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4711         (compute_transp): Update call to canon_true_dependence.
4712
4713 2012-01-25  Richard Henderson  <rth@redhat.com>
4714
4715         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4716         (maybe_emit_atomic_test_and_set): New.
4717         (expand_sync_lock_test_and_set): Use it.
4718         (expand_atomic_test_and_set): Likewise.
4719         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4720         the implementation; clarify implementation defined details.
4721         * doc/md.texi (atomic_test_and_set): Document.
4722
4723 2012-01-25  Richard Henderson  <rth@redhat.com>
4724
4725         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4726
4727 2012-01-25  Richard Henderson  <rth@redhat.com>
4728
4729         PR target/51968
4730         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4731         to effect no-op split.
4732
4733 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4734
4735         PR lto/51698
4736         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4737         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4738         (BT_FN_VOID_PTR_INT_SIZE): New.
4739         (BT_FN_UINT_UINT_VAR): Remove.
4740         (BT_FN_UINT32_UINT32_VAR): New.
4741         (BT_FN_DOUBLE_VPTR): Remove.
4742         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4743
4744         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4745         (_ITM_changeTransactionMode): Same.
4746         (_ITM_memmoveRtWt): Change return type to void.
4747         (_ITM_memcpyRtWt): Same.
4748         (_ITM_memsetW): Same.
4749         (_ITM_RaRD): Change types to double.
4750         (_ITM_RD): Same.
4751         (_ITM_RaWD): Same.
4752         (_ITM_RfWD): Same.
4753
4754         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4755
4756 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4757             Patrick Marlier  <patrick.marlier@gmail.com>
4758
4759         * trans-mem.c (requires_barrier): Do not instrument thread local
4760         variables and emit save/restore for them.
4761
4762 2012-01-24  Jason Merrill  <jason@redhat.com>
4763
4764         PR c++/51812
4765         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4766         output static aliases.
4767
4768 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4769
4770         PR driver/47249
4771         * common.opt (-pie, -shared, pie, shared): Change from Common to
4772         Driver.
4773         * gcc.c (display_help): Display help for -pie and -shared.
4774
4775 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
4776
4777         PR target/49868
4778         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4779         Remove note on size/offset limitation.
4780         (AVR Variable Attributes): Add example how to read data located
4781         with progmem.  Refer to named address spaces.
4782         * doc/invoke.texi (AVR Options): Fix typo.
4783
4784 2012-01-24  Richard Guenther  <rguenther@suse.de>
4785
4786         Forward-port to trunk
4787         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
4788
4789         PR middle-end/45678
4790         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4791         op0 isn't sufficiently aligned and there is movmisalignM
4792         insn for mode, use it to load op0 into a temporary register.
4793
4794 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4795
4796         PR target/51957
4797         * target.def (const_not_ok_for_debug_p): New hook.
4798         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4799         documentation.
4800         * doc/tm.texi: Regenerated.
4801         * dwarf2out.c (const_ok_for_output_1): If
4802         targetm.const_not_ok_for_debug_p returns true, fail.
4803         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4804         function.
4805         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4806
4807 2012-01-23  Kai Tietz  <ktietz@redhat.com>
4808
4809         PR target/51900
4810         * config/i386/predicates.md (symbolic_operand): Allow
4811         UNSPEC_PCREL as PIC expression for lea.
4812         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4813         * config/i386/i386.c (ix86_delegitimize_address): Handle
4814         UNSPEC_PCREL for none-MEM, too.
4815
4816 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4817
4818         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4819         (ipa_tm_create_version_alias): Same.
4820
4821 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
4822
4823         PR libitm/51830
4824         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4825         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4826
4827 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4828             Patrick Marlier  <patrick.marlier@gmail.com>
4829             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
4830
4831         PR lto/51916
4832         * lto-wrapper.c (run_gcc): Pass the LTO section name to
4833         simple_object_start_read.
4834
4835 2012-01-23  Richard Guenther  <rguenther@suse.de>
4836
4837
4838         PR tree-optimization/51895
4839         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4840         parameter decomposition into BLKmode components.
4841
4842 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
4843
4844         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4845         fake variables for restrict-qualified pointers whose pointed-to type
4846         contains a placeholder.
4847
4848 2012-01-23  Richard Guenther  <rguenther@suse.de>
4849
4850         PR tree-optimization/51949
4851         * ipa-split.c (execute_split_functions): Do not split malloc functions.
4852
4853 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
4854
4855         PR rtl-optimization/51933
4856         * ree.c (transform_ifelse): Return true right away if dstreg is
4857         already wider or equal to cand->mode.
4858         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4859         (make_defs_and_copies_lists): Remove defs_list and copies_list
4860         arguments, add state argument, just truncate state->work_list
4861         instead of always allocating and freeing the vector.  Assert that
4862         get_defs succeeds instead of returning 2.  Changed return type to bool.
4863         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
4864         have ext_src_mode, see if it has been modified already with the
4865         right kind of extension and has been extended before from the
4866         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
4867         just return true.  Remember the original mode in state->modified array.
4868         (combine_reaching_defs): Add state argument.  Don't allocate and
4869         free here def_list, copied_list and vec vectors, instead just
4870         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
4871         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4872         Add state variable, clear vectors in it, initialize state.modified
4873         if needed.  Free all the vectors at the end and state.modified too.
4874         Don't skip a candidate if the extension expression has been modified.
4875
4876 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
4877
4878         PR target/47096
4879         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4880          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4881         (extra_options) interix.opt -> i386/interix.opt"
4882         (extra_objs):Add winnt-stubs.o
4883         * configure.ac: Add interix to target_os .comm on PE check.
4884         * configure: Regenerate.
4885         * config/interix3.h: Delete and move bits to..
4886         * config/interix.h: Delete and move bits to..
4887         * config/i386/i386-interix3.h: Delete and move bits to..
4888         * config/i386/i386-interix.h: ..here.
4889         (TARGET_CPU_DEFAULT): Remove redefinition.
4890         (TARGET_ASM_CONSTRUCTOR): Undefine.
4891         (SUBTARGET_SWITCHES): Define for ms-bitfields.
4892         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4893         (PTRDIFF_TYPE): Define.
4894         (LONG_DOUBLE_TYPE_SIZE): Define.
4895         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4896         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4897         (TARGET_SECTION_TYPE_FLAGS): Define.
4898         (ASM_DECLARE_FUNCTION_NAME): Define.
4899         (ASM_OUTPUT_EXTERNAL): Define.
4900         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4901         (ASM_OUTPUT_ALIGNED_BSS): Define.
4902         (PCC_BITFIELD_TYPE_MATTERS): Define.
4903         (USE_CONST_SECTION): Define.
4904         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4905         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4906         (SUPPORTS_ONE_ONLY): Remove.
4907         (I386_PE_STRIP_ENCODING): Define.
4908         * config/interix.opt: Delete and move bits to..
4909         * config/i386/interix.opt: ..here. New.
4910         (mpe-aligned-commons): Add.
4911         * config/i386/t-interix: Add copyright header.
4912         (winnt-stubs.o): Add rule.
4913
4914 2012-01-22  Jason Merrill  <jason@redhat.com>
4915
4916         PR c++/51832
4917         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4918         for extra name aliases.
4919
4920 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4921
4922         PR rtl-optimization/51924
4923         * ree.c (combine_set_extension): Improve debugging message.
4924         (combine_reaching_defs): Likewise.
4925         (get_defs): Rename confusingly named variable.
4926         (find_and_remove_re): Skip a candidate if the extension expression has
4927         been modified.
4928
4929 2012-01-21  Robert Millan  <rmh@gnu.org>
4930             Gerald Pfeifer  <gerald@pfeifer.com>
4931
4932         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4933         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4934
4935 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4936
4937         PR tree-optimization/51914
4938         * tree-vect-stmts.c (vectorizable_conversion): For
4939         cvt_type && modifier == WIDEN, put temporary with cvt_type
4940         at the beginning of vec_dsts and set vec_dest to temporary
4941         with vectype_out.
4942
4943 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
4944
4945         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4946
4947 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
4948
4949         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4950         * config/rs6000/rs6000.c: Likewise.
4951
4952 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4953
4954         PR target/51915
4955         * config/arm/arm.c (arm_count_output_move_double_insns): Call
4956         output_move_double on a copy of operands array.
4957
4958 2012-01-20  Cary Coutant  <ccoutant@google.com>
4959             Dodji Seketeli  <dodji@redhat.com>
4960
4961         PR debug/45682
4962         * dwarf2out.c (copy_declaration_context): Return ref to parent
4963         of declaration DIE, if necessary.
4964         (remove_child_or_replace_with_skeleton): Add new parameter; update
4965         caller.  Place skeleton DIE under parent DIE of original declaration.
4966         Move call to copy_declaration_context to here ...
4967         (break_out_comdat_types): ... from here.
4968
4969 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4970
4971         PR rtl-optimization/51856
4972         * reload.c (find_reloads_subreg_address): Set the address_reloaded
4973         flag to reloaded.
4974
4975 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4976
4977         PR target/51819
4978         * config/arm/arm.c (arm_print_operand): Correct output of alignment
4979         hints for neon loads and stores.
4980
4981 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
4982
4983         PR target/49868
4984         PR target/50887
4985         * doc/extend.texi (Named Address Spaces): Split into subsections.
4986         (AVR Named Address Spaces): New subsection.
4987         (M32C Named Address Spaces): New subsection.
4988         (RL78 Named Address Spaces): New subsection.
4989         (SPU Named Address Spaces): New subsection.
4990         (Variable Attributes): New anchor "AVR Variable Attributes".
4991         (AVR Variable Attributes): Rewrite and avoid wording
4992         "address space" in this context.
4993         * doc/invoke.texi (AVR Options): Rewrite and add documentation
4994         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4995         (AVR Built-in Macros): New subsubsection therein.
4996         * doc/md.texi (AVR constraints): Remove "C04", "R".
4997
4998 2012-01-20  Richard Guenther  <rguenther@suse.de>
4999
5000         PR tree-optimization/51903
5001         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
5002         when removing stmts.
5003
5004 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
5005
5006         PR target/50313
5007         * config/arm/arm.c (arm_load_pic_register): Use
5008         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
5009         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
5010         (arm_pic_static_addr): Likewise.
5011         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
5012         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
5013         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
5014         (pic_load_addr_unified): New.
5015
5016 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
5017
5018         PR target/51106
5019         * function.c (instantiate_virtual_regs_in_insn): Use
5020         delete_insn_and_edges when removing a wrong asm insn.
5021
5022 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
5023
5024         PR rtl-optimization/40761
5025         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
5026         Add new member loop_num.
5027         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
5028         (ira_build): Remove the parameter.
5029
5030         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
5031         (ira.c): Do not build CFG loops for one region allocation.  Remove
5032         argument from ira_build call.
5033
5034         * ira-build.c (init_loop_tree_node): New function.
5035         (create_loop_tree_nodes): Use it.  Separate the case when CFG
5036         loops are not built.
5037         (more_one_region_p): Check current_loops.
5038         (finish_loop_tree_nodes): Separate the case when CFG loops are not
5039         built.
5040         (add_loop_to_tree): Process loop equal to NULL too.
5041         (form_loop_tree): Separate the case when CFG loops are not built.
5042         Use explicitly number for the root.
5043         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
5044         an assertion.
5045         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
5046         instead of loop->num.
5047         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
5048         (mark_all_loops_for_removal): Ditto.
5049         (remove_unnecessary_regions): Separate the case when CFG loops
5050         are not built.
5051         (ira_build): Remove the parameter.  Use explicit number of regions
5052         when CFG loops are not built.
5053
5054         * ira-color.c (print_loop_title): Separate the case for the root node.
5055         Use loop_num instead of loop->num.
5056         (move_spill_restore): Use loop_num instead of loop->num.
5057
5058         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
5059         (change_loop): Ditto.
5060         (change_loop): Use loop_num instead of loop->num.
5061
5062         * ira-lives.c (process_bb_node_lives): Ditto.
5063
5064         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
5065
5066         * ira-conflicts.c (print_allocno_conflicts): Ditto.
5067
5068 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
5069
5070         PR libmudflap/40778
5071         * tree-mudflap.c (mf_artificial): New function.
5072         (execute_mudflap_function_ops, execute_mudflap_function_decls,
5073         mx_register_decls, mudflap_enqueue_decl): Use it.
5074
5075         PR target/51876
5076         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5077         numbers in the insn pattern.
5078
5079 2012-01-19  Michael Matz  <matz@suse.de>
5080
5081         PR tree-optimization/46590
5082         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5083         use it in remembering which conflicts we already created.
5084         (add_scope_conflicts): Adjust call to above, (de)allocate helper
5085         bitmap.
5086
5087 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
5088
5089         PR lto/51280
5090         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5091         (merge_and_complain): Same.
5092
5093 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
5094
5095         PR bootstrap/50237
5096         * config/initfini-array.h: Guard content of the header
5097         with #ifdef HAVE_INITFINI_ARRAY.
5098         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5099         Add initfini-array.h to tm_file here.
5100         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5101         * config.gcc: Don't add initfini-array.h to tm_file here.
5102         * configure: Regenerated.
5103
5104 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
5105
5106         PR rtl-optimization/51505
5107         * df-problems.c (df_kill_notes): New parameter live. Update comment.
5108         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5109         (df_note_bb_compute): Update the call to df_kill_notes.
5110
5111 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
5112
5113         * trans-mem.c (requires_barrier): Remove call to is_global_var.
5114
5115 2012-01-18  Richard Guenther  <rguenther@suse.de>
5116
5117         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5118         of conversions to void *.
5119
5120 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5121             Richard Sandiford  <rdsandiford@googlemail.com>
5122
5123         PR middle-end/50325
5124         PR middle-end/51192
5125         * optabs.h (simplify_expand_binop): Declare.
5126         * optabs.c (simplify_expand_binop): Make global.
5127         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5128         endian targets if the source cannot be exactly covered by word
5129         mode chunks.
5130
5131 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
5132
5133         PR bootstrap/51872
5134         * hard-reg-set.h (struct hard_reg_set_container): New type.
5135         * target.h (struct hard_reg_set_container): Forward declare.
5136         * target.def (set_up_by_prologue): New target hook.
5137         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5138         * doc/tm.texi: Regenerated.
5139         * function.c (thread_prologue_and_epilogue_insns): Change
5140         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5141         Call targetm.set_up_by_prologue on it.
5142         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5143         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5144
5145 2012-01-17  Nick Clifton  <nickc@redhat.com>
5146
5147         * config/rx/rx.c (rx_can_use_simple_return): New function.
5148         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5149         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5150
5151 2012-01-17  Richard Guenther  <rguenther@suse.de>
5152
5153         PR middle-end/51782
5154         * expr.c (expand_assignment): Take address-space information
5155         from the address operand of MEM_REF and TARGET_MEM_REF.
5156         (expand_expr_real_1): Likewise.
5157
5158 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5159
5160         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5161         reload dump is requested.
5162
5163 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
5164
5165         PR other/51165
5166         * trans-mem.c (requires_barrier): Call may_be_aliased.
5167
5168 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
5169
5170         PR tree-optimization/51877
5171         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5172         call arguments and fndecls compare equal, instead return false if they
5173         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
5174         both SSA_NAMEs that are valueized the same, or they satisfy
5175         operand_equal_p.
5176
5177 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5178
5179         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5180         Solaris 11+.
5181         * configure: Regenerate.
5182
5183 2012-01-16  Jan Hubicka  <jh@suse.cz>
5184
5185         PR c/12245
5186         PR c++/14179
5187         * convert.c (convert_to_integer): Use fold_convert for
5188         converting an INTEGER_CST to integer type.
5189
5190 2012-01-16  Jason Merrill  <jason@redhat.com>
5191
5192         PR c++/14179
5193         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5194
5195 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
5196
5197         PR bootstrap/51860
5198         * config/s390/s390.c (s390_chunkify_start): Don't skip
5199         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
5200         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5201         If insn is followed by NOTE_INSN_VAR_LOCATION or
5202         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5203         Don't use location of note insns.
5204
5205         PR tree-optimization/51865
5206         * tree-inline.c (tree_function_versioning): Call remap_decl
5207         on DECL_RESULT whenever it has VOID_TYPE_P type.
5208
5209 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
5210
5211         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5212         for calls to locally-binding MIPS16 functions if only the return
5213         type uses float regs.
5214
5215 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
5216             Richard Sandiford  <rdsandiford@googlemail.com>
5217
5218         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5219         (SYMBOL_32_HIGH): Likewise.
5220         (mips_output_tls_reloc_directive): Declare.
5221         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5222         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5223         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5224         (mips_lo_relocs, mips_hi_relocs): Make extern.
5225         (mips16_stub_function): Move up file.
5226         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5227         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
5228         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
5229         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5230         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
5231         (mips_get_tp): Add MIPS16 support.
5232         (mips_legitimize_tls_address): Remove MIPS16 sorry().
5233         Generalize DTPREL and TPREL handling.
5234         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5235         Add MIPS16 TLS support.
5236         (mips_output_tls_reloc_directive): New function.
5237         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5238         * config/mips/predicates.md (symbolic_operand_with_high)
5239         (tls_reloc_operand): New predicates.
5240         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5241         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5242         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5243         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
5244         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5245         (*tls_get_tp_mips16_call_<mode>): Likewise.
5246
5247 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
5248
5249         PR rtl-optimization/51821
5250         * recog.c (peep2_find_free_register): Determine clobbered registers
5251         from insn pattern.
5252
5253 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
5254
5255         PR target/50925
5256         * config/avr/avr-protos.h: Revert change of 2012-01-09.
5257         * config/avr/avr.c: Likewise.
5258         * config/avr/avr.h: Likewise.
5259
5260 2012-01-13  Ian Lance Taylor  <iant@google.com>
5261
5262         PR c++/50012
5263         * tree.h (TYPE_QUALS): Add cast to int.
5264         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5265
5266 2012-01-13  Ian Lance Taylor  <iant@google.com>
5267
5268         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5269         comparing param_index to VEC_length result.
5270
5271 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
5272
5273         * c-decl.c: Do not include tree-mudflap.h
5274         * tree-optimize.c: Likewise.
5275         * Makefile.in: Update dependencies.
5276
5277 2012-01-13  Richard Guenther  <rguenther@suse.de>
5278
5279         PR middle-end/8081
5280         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5281         variable-sized result always use RSO.
5282
5283 2012-01-12  DJ Delorie  <dj@redhat.com>
5284
5285         * cfgexpand.c (convert_debug_memory_address): Allow any valid
5286         pointer type, not just the default pointer type.
5287
5288 2012-01-09  Richard Henderson  <rth@redhat.com>
5289             Denis Chertykov  <chertykov@gmail.com>
5290
5291         PR target/50925
5292         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5293         * config/avr/avr.c (avr_can_eliminate): Simplify.
5294         (avr_initial_elimination_offset): Likewise.
5295         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5296         (expand_epilogue): Likewise.
5297         (avr_legitimize_address): Gut.
5298         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5299         (avr_hard_regno_nregs): New.
5300         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5301         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5302         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5303         add soft frame pointer.
5304         (CALL_USED_REGISTERS): Likewise.
5305         (REG_CLASS_CONTENTS): Likewise.
5306         (REGISTER_NAMES): Likewise.
5307         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5308         (HARD_FRAME_POINTER_REGNUM): New.
5309         (FRAME_POINTER_REGNUM): Use soft frame pointer.
5310         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5311         remove the HARD_FRAME_POINTER self-elimination.
5312
5313 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
5314
5315         PR target/51756
5316         * config/avr/avr.c (avr_encode_section_info): Test for absence of
5317         DECL_EXTERNAL when checking for initializers of progmem variables.
5318
5319 2012-01-12  Ira Rosen  <irar@il.ibm.com>
5320
5321         PR tree-optimization/51799
5322         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5323         that the last operation is a type demotion.
5324
5325 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
5326
5327         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5328         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5329
5330 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
5331
5332         PR bootstrap/51796
5333         * combine.c (distribute_notes): If i3 is a noreturn call,
5334         allow old_size to be equal to args_size and make sure the
5335         noreturn call gets REG_ARGS_SIZE note.
5336         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5337         on noreturn calls even when the delta is 0.
5338
5339 2012-01-11  Nathan Sidwell  <nathan@acm.org>
5340
5341         * gcov.c (STRING_SIZE): Remove.
5342         (generate_results): Erase annotations for source files with no
5343         coverage information.
5344         (read_line): New.
5345         (output_lines): Use it.
5346
5347 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5348
5349         * gimple.h (gimplify_body): Remove first argument.
5350         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
5351         pointer set here, instead just pass DATA to walk_tree.
5352         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
5353         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5354         (unvisit_body): Likewise, but with unmark_visited.
5355         (gimplify_body): Remove BODY_P argument and adjust.
5356         (gimplify_function_tree): Adjust call to gimplify_body.
5357         * omp-low.c (finalize_task_copyfn): Likewise.
5358
5359 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5360
5361         * tree.h (build_function_decl_skip_args): Add boolean parameter.
5362         (build_function_type_skip_args): Delete.
5363         * tree.c (build_function_type_skip_args): Make static and add
5364         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
5365         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5366         pass it to build_function_type_skip_args.
5367         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5368         (tree_function_versioning): Likewise.
5369         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5370         build_function_decl_skip_args.
5371         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5372         and pass it to build_function_decl_skip_args/tree_function_versioning.
5373         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5374         * ipa-inline-transform.c (save_inline_function_body): Likewise.
5375         * trans-mem.c (ipa_tm_create_version): Likewise.
5376         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5377         * tree-inline.c (declare_return_variable): Remove always-true test.
5378         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
5379         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5380         * ipa-split.c (split_function): Skip the return value for the split
5381         part if it doesn't return.
5382
5383 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5384
5385         PR tree-optimization/49642
5386         * ipa-split.c (forbidden_dominators): New variable.
5387         (check_forbidden_calls): New function.
5388         (dominated_by_forbidden): Likewise.
5389         (consider_split): Check for forbidden dominators.
5390         (execute_split_functions): Initialize and free forbidden
5391         dominators info; call check_forbidden_calls.
5392
5393 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5394
5395         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5396
5397 2012-01-11  Nick Clifton  <nickc@redhat.com>
5398
5399         * config/rx/rx.md (return): Define pattern.
5400
5401 2012-01-11  Richard Guenther  <rguenther@suse.de>
5402
5403         * doc/extend.texi (malloc attribute): Adjust according to
5404         implementation.
5405
5406 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
5407             Patrick Marlier  <patrick.marlier@gmail.com>
5408
5409         PR middle-end/51516
5410         * trans-mem.c (get_cg_data): Traverse aliases if requested.
5411         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5412         (ipa_tm_note_irrevocable): Same.
5413         (ipa_tm_scan_irr_block): Same.
5414         (ipa_tm_decrement_clone_counts): Same.
5415         (ipa_tm_scan_irr_function): Same.
5416         (ipa_tm_create_version_alias): Same.
5417         (ipa_tm_create_version): Same.
5418         (ipa_tm_transform_calls_redirect): Same.
5419         (ipa_tm_transform_calls): Same.
5420         (ipa_tm_transform_transaction): Same.
5421         (ipa_tm_execute): Same.
5422
5423 2012-01-10  Richard Guenther  <rguenther@suse.de>
5424
5425         PR middle-end/51806
5426         * opts.c (common_handle_option): Handle -Werror.
5427
5428 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
5429
5430         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5431         operand number.
5432
5433 2012-01-10  Jason Merrill  <jason@redhat.com>
5434
5435         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5436         information.
5437
5438 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5439
5440         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5441         supports R_386_TLS_GD_PLT reloc.
5442         (gcc_cv_as_ix86_tlsldmplt): Check if linker
5443         supports R_386_TLS_LDM_PLT reloc.
5444         * configure: Regenerate.
5445         * config.in: Regenerate.
5446
5447 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
5448
5449         PR target/49868
5450         Extend __pgmx semantics to linearize memory.
5451         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5452         determine if code comes inline or from libgcc.
5453         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5454         (movmem_qi, movmem_qi): Set constraint #2 to "n".
5455         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5456         (movmemx_qi, movmemx_hi): New insns.
5457         (xload_<mode>_libgcc): Rewrite to new insn condition.
5458         (xload_<mode>): Remove insns.
5459         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5460         cases that don't satisfy avr_xload_libgcc_p().
5461         (avr_addr_space_convert): Allow converting in any direction.
5462         (avr_addr_space_subset_p): Return always true.
5463         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5464         (avr_emit_movmemhi): Ditto.
5465         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
5466         (avr_out_movmem): Ditto.
5467         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
5468         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
5469         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
5470         (avr_encode_section_info): Encode 'progmem' in symbol flags.
5471         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
5472
5473 2012-01-10  Richard Guenther  <rguenther@suse.de>
5474
5475         PR tree-optimization/50913
5476         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
5477         Require data-refs to be representable by Graphite with respect
5478         to any loop nest.
5479
5480 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
5481
5482         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
5483         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
5484
5485 2012-01-10  Tom de Vries  <tom@codesourcery.com>
5486
5487         PR rtl-optimization/51271
5488         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
5489         handling annulled branch.
5490
5491 2012-01-10  Richard Henderson  <rth@redhat.com>
5492
5493         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
5494         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
5495         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
5496         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
5497         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
5498         arm_expand_vec_perm_const): New.
5499         * config/arm/arm-protos.h: Update.
5500         * config/arm/neon.md (UNSPEC_VCONCAT): New.
5501         (*neon_vswp<VDQX>): New.
5502         (neon_vcombine<VDX>): Use neon_split_vcombine.
5503         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
5504         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
5505         (vec_perm<VE>): New.
5506
5507 2012-01-10  Richard Henderson  <rth@redhat.com>
5508
5509         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
5510         use it if reload_completed.
5511         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
5512         arm_output_asm_insn, arm_process_output_memory_barrier,
5513         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
5514         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
5515         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
5516         arm_process_output_sync_insn, arm_output_sync_insn,
5517         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
5518         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
5519         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
5520         (emit_unlikely_jump): New.
5521         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
5522         (arm_split_atomic_op): New.
5523         * config/arm/arm-protos.h: Update.
5524         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
5525         (struct arm_sync_generator): Remove.
5526         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5527         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5528         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5529         (VUNSPEC_LL, VUNSPEC_SC): New.
5530         (sync_result, sync_memory, sync_required_value, sync_new_value,
5531         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5532         (attr length): Don't use arm_sync_loop_insns.
5533         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5534         (movsfcc, movdfcc): Likewise.
5535         * config/arm/constraints.md (Ua): New.
5536         * config/arm/prediates.md (mem_noofs_operand): New.
5537         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5538         (sync_clobber, sync_t2_reqd): Remove.
5539         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5540         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5541         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5542         (arm_sync_compare_and_swap<SIDI>): Remove.
5543         (arm_sync_compare_and_swap<NARROW>): Remove.
5544         (arm_sync_lock_test_and_set<SIDI>): Remove.
5545         (arm_sync_lock_test_and_set<NARROW>): Remove.
5546         (arm_sync_new_<syncop><SIDI>): Remove.
5547         (arm_sync_new_<syncop><NARROW>): Remove.
5548         (arm_sync_new_nand<SIDI>): Remove.
5549         (arm_sync_new_nand<NARROW>): Remove.
5550         (arm_sync_old_<syncop><SIDI>): Remove.
5551         (arm_sync_old_<syncop><NARROW>): Remove.
5552         (arm_sync_old_nand<SIDI>): Remove.
5553         (arm_sync_old_nand<NARROW>): Remove.
5554         (*memory_barrier): Merge arm_output_memory_barrier.
5555         (atomic_compare_and_swap<QHSD>): New.
5556         (atomic_compare_and_swap<NARROW>_1): New.
5557         (atomic_compare_and_swap<SIDI>_1): New.
5558         (atomic_exchange<QHSD>): New.
5559         (cas_cmp_operand, cas_cmp_str): New.
5560         (atomic_op_operand, atomic_op_str): New.
5561         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5562         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5563         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5564         (arm_load_exclusive<NARROW>): New.
5565         (arm_load_exclusivesi, arm_load_exclusivedi): New.
5566         (arm_store_exclusive<QHSD>): New.
5567
5568 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
5569
5570         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5571         reload patterns if -mvsx-scalar-memory.
5572
5573         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5574         generated, even -mno-vsx-scalar-double was used.
5575         (vsx_xscvdpsp_scalar): Likewise.
5576         (vsx_xscvspdp_scalar2): Likewise.
5577
5578 2012-01-09  Tom de Vries  <tom@codesourcery.com>
5579             Andrew Pinski  <apinski@cavium.com>
5580
5581         PR debug/51471
5582         * reorg.c (fill_slots_from_thread): Don't speculate
5583         frame-related insns.
5584
5585 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
5586
5587         * sched-int.h (bb_note): Move to...
5588         * basic-block.h: ...here.
5589         * haifa-sched.c (bb_note): Move to...
5590         * cfgrtl.c: ...here.
5591         * function.c (next_block_for_reg): New function.
5592         (move_insn_for_shrink_wrap): Likewise.
5593         (prepare_shrink_wrap): Rewrite to use the above.
5594
5595 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
5596
5597         * gimple.c (is_gimple_non_addressable): Remove.
5598         * gimple.h: Remove is_gimple_non_addressable.
5599         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5600         is_gimple_non_addressable.
5601         * trans-mem.c (expand_assign_tm): Same.
5602
5603 2012-01-09  Richard Guenther  <rguenther@suse.de>
5604
5605         PR tree-optimization/51775
5606         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5607         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5608
5609 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5610
5611         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5612         tuning parameters.
5613         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5614
5615 2012-01-09  Richard Guenther  <rguenther@suse.de>
5616
5617         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5618
5619 2012-01-08  Jan Hubicka  <jh@suse.cz>
5620
5621         PR tree-optimize/51680
5622         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5623         on when known_vals needs to be computed; cleanup.
5624
5625 2012-01-08  Jan Hubicka  <jh@suse.cz>
5626
5627         PR tree-optimize/51694
5628         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5629
5630 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
5631
5632         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5633         for -std=c++98 and -std=c++11 too.
5634
5635 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
5636
5637         * cfgloop.c (cancel_loop): Add free() of bbs array.
5638
5639 2012-01-07  Jan Hubicka  <jh@suse.cz>
5640
5641         PR tree-optimization/51600
5642         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5643         that benefits small functions.
5644
5645 2012-01-07  Jan Hubicka  <jh@suse.cz>
5646
5647         * ipa-inline.c (want_inline_small_function_p): Fix formating.
5648
5649 2012-01-07  Jan Hubicka  <jh@suse.cz>
5650
5651         PR tree-optimization/51680
5652         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5653         whose inlining reduce unit size.
5654
5655 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
5656
5657         PR bootstrap/51725
5658         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5659         Add canonical node to containing_mem chain after the non-canonical
5660         one, even if there weren't any locs to propagate.
5661         (remove_useless_values): Keep only canonical values.
5662         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5663         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
5664         canonicalize mem_chain elements that are not discarded.
5665
5666 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
5667
5668         PR target/47333
5669         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5670         before emitting functions.
5671
5672         PR gcov-profile/50127
5673         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5674         clear_aux_for_blocks.
5675
5676 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
5677
5678         PR debug/51746
5679         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5680
5681 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
5682
5683         * c-decl.c (ext_block): Moved up.
5684         (collect_all_refs, for_each_global_decl): Take ext_block into account.
5685
5686 2012-01-06  Han Shen  <shenhan@google.com>
5687
5688         Translate built-in include paths for sysroot.
5689         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5690         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5691
5692         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5693         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5694
5695         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5696         control whether sysroot should be prepended to gxx include dir.
5697
5698         * configure: Regenerate.
5699
5700 2012-01-06  Torvald Riegel  <triegel@redhat.com>
5701
5702         PR rtl-optimization/51771
5703         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5704         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5705
5706 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5707
5708         PR tree-optimization/51315
5709         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5710         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5711
5712 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
5713
5714         PR target/51681
5715         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5716         for shrp pattern.  Correctly handle and fixup shift variable.
5717         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5718
5719 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5720
5721         PR debug/51762
5722         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5723         note when !ACCUMULATE_OUTGOING_ARGS.
5724
5725 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5726
5727         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5728         condition.
5729         (extract_range_from_unary_expr_1): Avoid useless computations.
5730
5731 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5732
5733         PR rtl-optimization/51767
5734         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5735         of jump_block and add an extra edge for degenerated asm gotos.
5736
5737         PR middle-end/51768
5738         * stmt.c (check_unique_operand_names): Don't ICE during error
5739         reporting if i is from labels chain.
5740
5741         PR middle-end/44777
5742         * profile.c (branch_prob): Split bbs that have exit edge
5743         and need a fake entry edge too.
5744
5745 2012-01-05  Jan Hubicka  <jh@suse.cz>
5746
5747         PR middle-end/49710
5748         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5749         unlooping loops.
5750
5751 2012-01-05  Richard Guenther  <rguenther@suse.de>
5752
5753         PR lto/50490
5754         * tree-streamer-out.c (write_ts_optimization): New function.
5755         (streamer_write_tree_body): Call it.
5756         * tree-streamer-in.c (lto_input_ts_optimization): New function.
5757         (streamer_read_tree_body): Call it.
5758         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5759
5760 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5761
5762         PR middle-end/51761
5763         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5764         * gimplify.c (gimplify_cleanup_point_expr): Save and set
5765         in_cleanup_point_expr before gimplify_stmt call and restore it
5766         afterwards.
5767         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5768         in_cleanup_point_expr is false.
5769
5770 2012-01-05  Richard Guenther  <rguenther@suse.de>
5771
5772         PR middle-end/51764
5773         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5774         to c.opt.
5775         * toplev.c (process_options): Reject combining mudflap and LTO.
5776         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5777
5778 2012-01-05  Richard Guenther  <rguenther@suse.de>
5779
5780         PR tree-optimization/51760
5781         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5782         not VARYING.
5783         (bit_value_unop): Handle UNDEFINED operands.
5784         (bit_value_binop): Likewise.
5785
5786 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
5787
5788         * config/avr/avr.c (avr_replace_prefix): Remove.
5789         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5790         (avr_asm_function_rodata_section): Ditto.
5791         (avr_asm_select_section): Ditto.
5792
5793 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
5794
5795         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5796         insertion.
5797
5798 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5799
5800         PR bootstrap/51648
5801         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5802         calls that have any non-fake successor edges.
5803
5804         PR debug/51746
5805         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5806
5807 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5808
5809         PR tree-optimization/51624
5810         * tree-sra.c (build_ref_for_model): When replicating a chain of
5811         COMPONENT_REFs, stop as soon as the offset would become negative.
5812
5813 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
5814
5815         PR debug/51695
5816         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5817         in .debug_loc on the floor.
5818
5819 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5820
5821         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5822
5823 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5824             Adam Nemet  <anemet@caviumnetworks.com>
5825
5826         * config/mips/mips.md (size): Add SI and DI.
5827         (SIZE): New mode attribute.
5828         (U): New code attribute.
5829         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5830         (mips_lbux_<mode>): Delete.
5831         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5832         (mips_lhx): Use gen_mips_lhx_extsi.
5833         (mips_lhx_<mode>): Delete.
5834         (mips_lwx): Delete.
5835         (mips_l<size>x): New expand.
5836         (mips_lwx_<mode>): Delete.
5837         (mips_l<GPR:size>x_<P:mode>): New pattern.
5838         (*mips_lw<u>x_<P:mode>_ext): Likewise.
5839         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5840         * config/mips/mips.c (mips_lx_address_p): New function.
5841         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5842         (dsp64): New availability predicate.
5843         (mips_builtins): Add an entry for __builtin_mips_ldx.
5844         * config/mips/mips.h (ISA_HAS_LBX): New define.
5845         (ISA_HAS_LBUX): Likewise.
5846         (ISA_HAS_LHX): Likewise.
5847         (ISA_HAS_LHUX): Likewise.
5848         (ISA_HAS_LWX): Likewise.
5849         (ISA_HAS_LWUX): Likewise.
5850         (ISA_HAS_LDX): Likewise.
5851         * doc/extend.texi (__builtin_mips_ldx): Document.
5852
5853 2012-01-04  Tristan Gingold  <gingold@adacore.com>
5854
5855         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5856         when long pointers are used.
5857         * config.build (*-*-*vms*): Handle all OpenVMS targets.
5858         (alpha64-dec-*vms*, alpha*-dec-*vms*)
5859         (ia64-hp-*vms*): Remove.
5860         * config/vms/xm-vms64.h: Delete.
5861
5862 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5863
5864         PR middle-end/51472
5865         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5866
5867 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5868
5869         * opts.c (finish_options): Remove duplicate sorry.
5870
5871 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5872
5873         PR middle-end/51696
5874         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5875         correctly.
5876
5877 2012-01-04  Richard Guenther  <rguenther@suse.de>
5878
5879         PR middle-end/51750
5880         * tree.c (size_low_cst): New function.
5881         * tree.h (size_low_cst): Declare.
5882         * fold-const.c (fold_comparison): Use it to extract the low
5883         part of the POINTER_PLUS_EXPR offset.
5884
5885 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
5886
5887         Fix clearing ZERO_REG
5888         * config/avr/avr.md (cc): Add alternative "ldi".
5889         (movqi_insn): Use it in cc attribute.
5890         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5891         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5892         (output_reload_insisf): Use ZERO_REG to pre-clear register.
5893
5894 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5895
5896         * configure: Regenerate.
5897
5898 2012-01-04  Richard Guenther  <rguenther@suse.de>
5899
5900         PR tree-optimization/49651
5901         * tree-ssa-structalias.c (type_can_have_subvars): New function.
5902         (var_can_have_subvars): Use it.
5903         (get_constraint_for_1): Only consider subfields if there can be any.
5904
5905 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5906
5907         PR bootstrap/51725
5908         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5909         to its new canonical_cselib_val and the cselib_val was in
5910         first_containing_mem chain, but the canonical_cselib_val was not,
5911         add the latter into the chain.
5912         (cselib_invalidate_mem): Compare canonical_cselib_val of
5913         addr_list chain elt with v.
5914
5915         PR pch/51722
5916         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5917         dwarf2out_undef): Allocate e.info using ggc_strdup instead
5918         of xstrdup.
5919         (output_macinfo_op): Don't ggc_strdup fd->filename.
5920         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5921         then ggc_strdup it.  Don't free inc->info or cur->info.
5922         (output_macinfo): Don't free ref->info or file->info.
5923
5924 2012-01-03  Ira Rosen  <irar@il.ibm.com>
5925
5926         PR tree-optimization/51269
5927         * tree-vect-loop-manip.c (set_prologue_iterations): Make
5928         first_niters a pointer.
5929         (slpeel_tree_peel_loop_to_edge): Likewise.
5930         (vect_do_peeling_for_loop_bound): Update call to
5931         slpeel_tree_peel_loop_to_edge.
5932         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5933         here.  Remove it from the parameters list.
5934         (vect_do_peeling_for_alignment): Update calls and compute
5935         wide_prolog_niters.
5936
5937 2012-01-03  Richard Guenther  <rguenther@suse.de>
5938
5939         PR tree-optimization/51070
5940         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5941         Properly handle calls.
5942
5943 2012-01-03  Richard Guenther  <rguenther@suse.de>
5944
5945         PR tree-optimization/51692
5946         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5947         the LHS of allocation stmts.
5948
5949 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5950
5951         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5952
5953 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5954
5955         * collect2.c (main): In AIX specific computations for vector
5956         insertions, use CONST_CAST2 to cast from char ** to const char **.
5957
5958 2012-01-03  Richard Guenther  <rguenther@suse.de>
5959
5960         PR debug/51650
5961         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5962         the context of a limbo DIE when it does not already exist.
5963
5964 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5965
5966         PR tree-optimization/51719
5967         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5968         but direct call is, clear direct call's lhs and don't add fallthrough
5969         edge from dcall_bb to join_bb and PHIs.
5970
5971 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5972
5973         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5974         the instructions emitted by the pattern.
5975         ("*TDC_insn_<mode>"): Add comment.
5976
5977 2012-01-03  Richard Guenther  <rguenther@suse.de>
5978
5979         PR middle-end/51730
5980         * fold-const.c (fold_comparison): Properly canonicalize
5981         tree offset and HOST_WIDE_INT bit position.
5982
5983 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
5984
5985         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5986         operands for extzv pattern.
5987
5988 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5989
5990         PR bootstrap/51725
5991         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5992         on mem_elt first.
5993
5994 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
5995
5996         * doc/invoke.texi (-flto and related options): Copy-edit.
5997
5998 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5999
6000         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
6001
6002 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
6003
6004         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
6005         New patterns.
6006
6007 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
6008
6009         * expr.h (move_by_pieces_ninsns): Declare.
6010         * expr.c (move_by_pieces_ninsns): Make external.
6011         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
6012         (mips_store_by_pieces_p): Likewise.
6013         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
6014         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
6015         * config/mips/mips.c (mips_move_by_pieces_p): New function.
6016         (mips_store_by_pieces_p): Likewise.
6017
6018 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
6019
6020         * passes.c (register_one_dump_file): Free full_name.
6021
6022         * reload1.c (reload): Don't allocate reg_max_ref_width here.
6023         (calculate_elim_costs_all_insns): Free offsets_at and
6024         offsets_known_at at the end and clear the pointers.
6025
6026 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6027
6028         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
6029         this option introduced in r180739.
6030
6031 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6032
6033         PR target/51345
6034         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
6035         (tmake_file target=avr): Add avr/t-multilib.
6036
6037         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
6038         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
6039         * config/avr/genmultilib.awk: New file.
6040         * config/avr/t-multilib: New auto-generated file.
6041         * config/avr/multilib.h: New auto-generated file.
6042         * config/avr/t-avr (AVR_MCUS): New variable.
6043         (genopt.sh): Use it.
6044         (s-mlib): Depend on t-multilib.
6045         (t-multilib, multilib.h): New dependencies.
6046         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
6047         (MULTILIB_OPTIONS): Remove.
6048         (MULTILIB_MATCHES): Remove.
6049         (MULTILIB_DIRNAMES): Remove.
6050         (MULTILIB_EXCEPTIONS): Remove:
6051         * config/avr/genopt.sh: Don't use hard coded file name;
6052         pass AVR_MCUS from t-avr instead.
6053
6054 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6055
6056         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
6057
6058 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6059
6060         Implement light-weight DImode support.
6061         * config/avr/avr-dimode.md: New file.
6062         * config/avr/avr.md: Include it.
6063         (adjust_len): Add plus64, compare64.
6064         (HIDI): Remove code iterator.
6065         (code_stdname): New code attribute.
6066         (rotx, rotsmode): Remove DI.
6067         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6068         as code iterator.
6069         * config/avr/avr-protos.h (avr_have_dimode): New.
6070         (avr_out_plus64, avr_out_compare64): New.
6071         * config/avr/avr.c (avr_out_compare): Handle DImode.
6072         (avr_have_dimode): New variable definition and initialization.
6073         (avr_out_compare64, avr_out_plus64): New functions.
6074         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6075         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6076         (avr_compare_pattern): Skip DImode comparisons.
6077
6078 2012-01-02  Revital Eres  <revital.eres@linaro.org>
6079
6080         * ddg.c (def_has_ccmode_p): New function.
6081         (add_cross_iteration_register_deps,
6082         create_ddg_dep_from_intra_loop_link): Call it.
6083
6084 2012-01-02  Richard Guenther  <rguenther@suse.de>
6085
6086         PR other/51679
6087         * invoke.texi (fassociative-math): Remove spurious paranthesis.
6088
6089 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
6090
6091         * gcc.c (process_command): Update copyright notice dates.
6092         * gcov.c (print_version): Likewise.
6093         * gcov-dump.c (print_version): Likewise.
6094         * mips-tfile.c (main): Likewise.
6095         * mips-tdump.c (main): Likewise.
6096
6097 2012-01-01  Ira Rosen  <irar@il.ibm.com>
6098
6099         PR tree-optimization/51704
6100         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6101         a use is inside the basic block or loop before accessing its vect info.
6102
6103 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
6104
6105         PR rtl-optimization/51069
6106         * cfgloopmanip.c (remove_path): Removing path making irreducible
6107         region unconditional makes BB part of the region.
6108
6109 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
6110
6111         PR tree-optimization/51683
6112         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6113         calls with side-effects.
6114         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6115 \f
6116 Copyright (C) 2012 Free Software Foundation, Inc.
6117
6118 Copying and distribution of this file, with or without modification,
6119 are permitted in any medium without royalty provided the copyright
6120 notice and this notice are preserved.