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1 2012-10-16  Eric Botcazou  <ebotcazou@adacore.com>
2
3         PR rtl-optimization/54870
4         * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
5         * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
6         SSA_NAME pointer that points to a partition if there is at least
7         one variable with it set in the partition.
8         * dse.c (local_variable_can_escape): New predicate.
9         (can_escape): Call it.
10         * gimplify.c (mark_addressable): If this is a partitioned decl, also
11         mark the SSA_NAME pointer that points to a partition.
12
13 2012-10-16  Andrey Belevantsev  <abel@ispras.ru>
14
15         Backport from mainline
16         2012-08-09  Andrey Belevantsev  <abel@ispras.ru>
17
18         PR rtl-optimization/53701
19         * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
20         rocess not only expr's vinsns but all old vinsns from expr's
21         istory of changes.
22
23 2012-10-16  Andrey Belevantsev  <abel@ispras.ru>
24
25         Backport from mainline
26         2012-07-31  Andrey Belevantsev  <abel@ispras.ru>
27         PR target/53975
28
29         * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
30         Revert
31         2011-08-04  Sergey Grechanik  <mouseentity@ispras.ru>
32         * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
33         only if producer writes to the register given by regno. 
34
35 2012-09-15  Uros Bizjak  <ubizjak@gmail.com>
36
37         Backport from mainline
38         2012-10-15  Uros Bizjak  <ubizjak@gmail.com>
39
40         * config/i386/sse.md (UNSPEC_MOVU): Remove.
41         (UNSPEC_LOADU): New.
42         (UNSPEC_STOREU): Ditto.
43         (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
44         (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
45         (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
46         (<sse2>_movdqu<avxsizesuffix>): Split to ...
47         (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
48         (<sse2>_storedqu<avxsizesuffix>): ... this.
49         (*sse4_2_pcmpestr_unaligned): Update.
50         (*sse4_2_pcmpistr_unaligned): Ditto.
51
52         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
53         gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
54         gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
55         (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
56         gen_sse2_load{dqu,upd} to load from unaligned memory and
57         gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
58         unaligned memory.
59         (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
60         Use CODE_FOR_sse_loadups.
61         <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
62         <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
63         <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
64         <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
65         <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
66         <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
67         <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
68         <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
69         <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
70         <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
71         <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.
72
73 2012-10-15  Steven Bosscher  <steven@gcc.gnu.org>
74
75         Backport from trunk (r190222):
76
77         PR tree-optimization/54146
78         * ifcvt.c: Include pointer-set.h.
79         (cond_move_process_if_block): Change type of then_regs and
80         else_regs from alloca'd array to pointer_sets.
81         (check_cond_move_block): Update for this change.
82         (cond_move_convert_if_block): Likewise.
83         * Makefile.in: Fix dependencies for ifcvt.o.
84
85 2012-10-15  Richard Guenther  <rguenther@suse.de>
86
87         PR tree-optimization/54920
88         * tree-ssa-pre.c (create_expression_by_pieces): Properly
89         allocate temporary storage for all NARY elements.
90
91 2012-10-08  Georg-Johann Lay  <avr@gjlay.de>
92
93         PR target/54854
94         * doc/invoke.texi (AVR Options): Deprecate -mshort-calls.
95
96 2012-10-05  Mark Kettenis  <kettenis@openbsd.org>
97
98         * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
99         default_use_cxa_atexit to yes.
100
101 2012-10-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
102
103         * config/pa/pa.md: Adjust unamed HImode add insn pattern.
104
105 2012-10-05  Jan Hubicka  <jh@suse.cz>
106             Jakub Jelinek  <jakub@redhat.com>
107
108         PR tree-optimization/33763
109         * tree-inline.c (expand_call_inline): Silently ignore always_inline
110         attribute for redefined extern inline functions.
111
112 2012-10-03  H.J. Lu  <hongjiu.lu@intel.com>
113
114         Backported from mainline
115         2012-10-03  Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
116
117         * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
118         in SSE and YMM state support check for -march=native.
119
120 2012-10-03  Alexandre Oliva <aoliva@redhat.com>
121
122         PR debug/53135
123         * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
124         when needed.
125
126 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
127
128         Backported from mainline
129         2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
130
131         PR target/54785
132         * doc/invoke.texi: Document -mprefer-avx128.
133
134 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
135
136         Backported from mainline
137         2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
138
139         PR target/54741
140         *  config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
141         (XSTATE_FP): Likewise.
142         (XSTATE_SSE): Likewise.
143         (XSTATE_YMM): Likewise.
144         (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
145         SSE and YMM states aren't supported.
146
147 2012-10-01  Tom de Vries  <tom@codesourcery.com>
148
149         * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
150         the prototype.
151
152 2012-10-01  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
153
154         PR target/54746
155         * config/s390/s390.c (s390_option_override): Add missing break.
156
157 2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
158
159         Backport from mainline
160         2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
161
162         * config.gcc: Replace 'host' with 'target' when configuring for
163         powerpc64*-*-freebsd.
164
165 2012-09-28  Meador Inge  <meadori@codesourcery.com>
166
167         Backport from mainline
168         2012-09-27  Meador Inge  <meadori@codesourcery.com>
169
170         * gcc-ar.c (main): Handle the returning of the sub-process error
171         code correctly.
172
173 2012-09-28  Georg-Johann Lay  <avr@gjlay.de>
174
175         Backport from 2012-09-28 trunk r191821.
176         * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
177
178 2012-09-27  Jakub Jelinek  <jakub@redhat.com>
179
180         PR target/54703
181         * simplify-rtx.c (simplify_binary_operation_1): Perform
182         (x - (x & y)) -> (x & ~y) optimization only for integral modes.
183
184 2012-09-24  Eric Botcazou  <ebotcazou@adacore.com>
185
186         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
187         TYPE_NONALIASED_COMPONENT flag.
188         * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
189         TYPE_NONALIASED_COMPONENT flag.
190
191 2012-09-21  Richard Guenther  <rguenther@suse.de>
192
193         PR middle-end/54638
194         Backport from mainline
195         2012-04-19  Richard Guenther  <rguenther@suse.de>
196
197         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
198         array access.
199
200 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
201
202         PR c/54552
203         * c-typeck.c (c_cast_expr): When casting to a type requiring
204         C_MAYBE_CONST_EXPR to be created, pass the inner expression to
205         c_fully_fold first.
206
207 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
208
209         PR c/54103
210         * c-typeck.c (build_unary_op): Pass original argument of
211         TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
212         any C_MAYBE_CONST_EXPR, if it has integer operands.
213         (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
214         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
215         to c_objc_common_truthvalue_conversion, then remove any
216         C_MAYBE_CONST_EXPR, if they have integer operands.  Use
217         c_objc_common_truthvalue_conversion not
218         c_common_truthvalue_conversion.
219         (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
220         call note_integer_operands for arguments with integer operands
221         that are not integer constants.
222
223 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
224
225         Backported from mainline
226         2012-09-17  Jakub Jelinek  <jakub@redhat.com>
227
228         PR tree-optimization/54563
229         * tree-ssa-math-opts.c (execute_cse_sincos): Call
230         gimple_purge_dead_eh_edges if last call has been changed.
231
232         2012-09-14  Jakub Jelinek  <jakub@redhat.com>
233
234         PR target/54564
235         * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
236         instead of (match_dup 0) as second argument to vec_merge.
237         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
238         Remove third alternative.
239         (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise.  Negate
240         operand 2 instead of operand 1, but put it as first argument
241         of fma.
242         * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
243         _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
244         of the first.
245
246 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
247
248         * BASE-VER: Set to 4.7.3.
249         * DEV-PHASE: Set to prerelease.
250
251 2012-09-20  Release Manager
252
253         * GCC 4.7.2 released.
254
255 2012-09-15  Andi Kleen  <ak@linux.intel.com>
256
257         Backport from mainline
258         2012-09-07  Andi Kleen  <ak@linux.intel.com>
259
260         * gcc/lto-streamer.h (res_pair): Add.
261         (lto_file_decl_data): Replace resolutions with respairs.
262         Add max_index.
263         * gcc/lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
264         Initialize respairs.
265         (lto_file_finalize): Set up resolutions vector lazily from respairs.
266
267 2012-09-14  Walter Lee  <walt@tilera.com>
268
269         Backport from mainline.
270         2012-09-14  Walter Lee  <walt@tilera.com>
271
272         * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
273         option for TILEPro and TILE-Gx.
274
275 2012-09-13  Uros Bizjak  <ubizjak@gmail.com>
276
277         * config/i386/i386.h (x86_prefetchw): New global variable.
278         (TARGET_PREFETCHW): New macro.
279         * config/i386/i386.c (PTA_PREFETCHW): Ditto.
280         (processor_alias_table): Add PTA_PREFETCHW to
281         bdver1, bdver2 and btver1.
282         (ix86_option_override_internal): Set x86_prefetchw for
283         PTA_PREFETCHW targets.
284         * config/i386/i386.md (prefetch): Expand to prefetchw
285         for TARGET_PREFETCHW.
286         (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
287
288         Backport from mainline
289         2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
290
291         * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
292         (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
293         Rename to ...
294         (*prefetch_sse): ... this.
295         (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
296         Rename to ...
297         (*prefetch_3dnow): ... this.
298
299 2012-09-13  Jakub Jelinek  <jakub@redhat.com>
300
301         PR c/54559
302         * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
303         COMPLEX_TYPE with in_late_binary_op set temporarily to true.
304
305 2012-09-12  Teresa Johnson  <tejohnson@google.com>
306
307         Backport from mainline.
308         2012-09-12  Teresa Johnson  <tejohnson@google.com>
309
310         PR gcov-profile/54487
311         * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
312         test using F_SETLKW with fcntl.
313         * configure, config.in: Regenerate.
314
315 2012-09-12  Uros Bizjak  <ubizjak@gmail.com>
316
317         Backport from mainline
318         2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
319
320         * config/i386/i386.md : Comments on fma4 instruction selection
321         reflect requirement on register pressure based cost model.
322
323         * config/i386/driver-i386.c (host_detect_local_cpu): fma4
324         flag is set-reset as informed by the cpuid flag.
325
326         * config/i386/i386.c (processor_alias_table): fma4
327         flag is enabled for bdver2.
328
329 2012-09-12  Christian Bruel  <christian.bruel@st.com>
330
331         * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
332
333 2012-09-12  Jakub Jelinek  <jakub@redhat.com>
334
335         * config.gcc: Obsolete picochip-*.
336
337 2012-09-11  Richard Guenther  <rguenther@suse.de>
338
339         PR debug/54534
340         * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
341         on flag_toplevel_reorder.
342
343 2012-09-10  Richard Henderson  <rth@redhat.com>
344
345         * config/alpha/predicates.md (small_symbolic_operand): Disallow
346         large offsets.
347
348 2012-09-10  Georg-Johann Lay  <avr@gjlay.de>
349
350         Backport from 2012-09-10 mainline r191132.
351
352         PR target/54536
353         * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
354
355 2012-09-10  Markus Trippelsdorf  <markus@trippelsdorf.de>
356
357         PR middle-end/54515
358         * tree-sra.c (disqualify_base_of_expr): Check for possible
359         NULL_TREE returned by get_base_address()
360
361 2012-09-07  Richard Guenther  <rguenther@suse.de>
362
363         Backport from mainline
364         2012-06-26  Jan Hubicka  <jh@suse.cz>
365
366         PR lto/53572
367         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
368         used symbols.
369
370 2012-09-07  Richard Guenther  <rguenther@suse.de>
371
372         Backport from mainline
373         2012-07-13  Richard Guenther  <rguenther@suse.de>
374
375         PR tree-optimization/53922
376         * tree-vrp.c (value_inside_range): Change prototype to take
377         min/max instead of value-range.
378         (range_includes_zero_p): Likewise.  Return the result from
379         value_inside_range.
380         (extract_range_from_binary_expr_1): Adjust to handle dont-know
381         return value from range_includes_zero_p.
382         (extract_range_from_unary_expr_1): Likewise.
383         (compare_range_with_value): Likewise.
384         (vrp_meet_1): Likewise.
385
386 2012-09-07  Richard Guenther  <rguenther@suse.de>
387
388         PR middle-end/53667
389         * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
390         EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
391         arguments separately.
392
393 2012-09-07  Jakub Jelinek  <jakub@redhat.com>
394
395         Backported from mainline
396         2012-09-06  Jakub Jelinek  <jakub@redhat.com>
397
398         PR rtl-optimization/54455
399         * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
400         bb ends up with asm goto referencing bb's label.
401
402 2012-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
403
404         Backport from mainline.
405         2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
406                     Richard Earnshaw  <richard.earnshaw@arm.com>
407
408         PR target/54252
409         * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
410         element size. Use elem_type from the formal parameter. New parameter
411         fcode.
412         (neon_expand_args): Adjust call to neon_dereference_pointer.
413
414 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
415
416         * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
417         reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
418
419 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
420
421         Backport from mainline
422         2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
423
424         * config/i386/i386.md (isa): Add fma and fma4.
425         (enabled): Handle fma and fma4.
426         * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
427         (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
428         (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
429         (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
430         (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
431         (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
432
433         2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
434
435         * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
436         *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
437         *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
438
439 2012-09-06  Richard Guenther  <rguenther@suse.de>
440
441         PR tree-optimization/54498
442         * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
443         abort when reaching an already visited region.
444         * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
445         (get_continuation_for_phi_1): Likewise.
446         (walk_non_aliased_vuses): When we translated the reference,
447         abort when we re-visit a region.
448         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
449
450 2012-09-06  Andrew Pinski  <apinski@cavium.com>
451
452         PR tree-opt/54494
453         * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
454
455 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
456
457         PR middle-end/54486
458         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
459         build_int_cst with size_type_node instead of size_int.
460
461 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
462
463         Backport from 2012-09-05 mainline r190697.
464
465         PR target/54461
466         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
467         configured --with-avrlibc.
468         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
469         --with-avrlibc.
470         * config/avr/avrlibc.h: New file.
471         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
472         configured --with-avrlibc.
473         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
474
475 2012-09-05  Bin Cheng  <bin.cheng@arm.com>
476
477         Backport from 2012-09-04 mainline r190919
478
479         PR target/45070
480         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
481         of size less than 4 bytes by using macro ARM_NUM_INTS.
482         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
483
484 2012-09-04  Richard Henderson  <rth@redhat.com>
485
486         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
487
488 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
489
490         Backport from 2012-09-04 mainline r190920
491
492         PR target/54476
493         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
494
495 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
496
497         Backport from 2012-09-04 mainline r190914
498
499         PR target/54220
500         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
501         define to...
502         (avr_allocate_stack_slots_for_args): ...this new static function.
503
504 2012-09-03  H.J. Lu  <hongjiu.lu@intel.com>
505
506         Backported from mainline
507         2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
508
509         PR driver/54335
510         * doc/invoke.texi: Add -da and remove -dm.
511
512 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
513
514         Backported from mainline
515         2012-09-01  Jakub Jelinek  <jakub@redhat.com>
516
517         PR target/54436
518         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
519         operands[1] is CONST_INT_P, convert it to QImode before printing.
520
521         2012-08-31  Jakub Jelinek  <jakub@redhat.com>
522
523         PR c/54428
524         * c-convert.c (convert): Don't call fold_convert_loc if
525         TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
526         is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
527         COMPLEX_TYPE -> COMPLEX_TYPE conversion.
528
529         2012-08-24  Jakub Jelinek  <jakub@redhat.com>
530
531         PR c/54363
532         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
533         if init is a CONSTRUCTOR.
534
535 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
536
537         PR rtl-optimization/54369
538         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
539         calling dbr_schedule.
540         * config/sparc/sparc.c (sparc_reorg): Likewise.
541
542 2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>
543
544         Backport from mainline
545         2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>
546
547         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
548         case for Atom processor.
549
550 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
551
552         Backport from mainline
553         2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
554
555         PR target/46254
556         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
557         true for TARGET_64BIT or !flag_pic.
558         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
559         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
560         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
561         Add insn constraint.  Conditionally emit xchg asm insns.
562         (atomic_compare_and_swap<mode>): Update calls.  Check only
563         cmpxchg8b_pic_memory_operand in memory address fixup.
564         (DCASMODE): Remove.
565         (CASHMODE): Rename from DCASHMODE.
566         (doublemodesuffix): Update modes.
567         (regprefix): New mode attribute.
568
569         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
570         <UNSPECV_CMPXCHG>: New constant.
571         (atomic_compare_and_swap<mode>_1): Rename from
572         atomic_compare_and_swap_single<mode>.  Update calls and
573         unspec_volatile constants.
574         (atomic_compare_and_swap<mode>_doubleword): Rename from
575         atomic_compare_and_swap_double<mode>.  Update calls and
576         unspec_volatile constants.
577
578 2012-08-28  Walter Lee  <walt@tilera.com>
579
580         Backport from mainline
581         2012-08-28  Walter Lee  <walt@tilera.com>
582
583         * confg/tilegx/tilegx.md: Fix code style.
584         (*zero_extendsidi_truncdisi): Fix typo.
585         * config/tilegx/tilegx.c: Fix code style.
586         (tilegx_function_profiler): Fix typo.
587
588 2012-08-27  Walter Lee  <walt@tilera.com>
589
590         Backport from mainline
591         2012-08-27  Walter Lee  <walt@tilera.com>
592
593         * doc/md.texi (TILE-Gx): Fix typo.
594
595 2012-08-27  Walter Lee  <walt@tilera.com>
596
597         Backport from mainline
598         2012-08-27  Walter Lee  <walt@tilera.com>
599
600         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
601         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
602
603 2012-08-27  Walter Lee  <walt@tilera.com>
604
605         Backport from mainline
606         2012-08-27  Walter Lee  <walt@tilera.com>
607
608         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
609         (insn_bfins): Delete.
610
611 2012-08-27  Walter Lee  <walt@tilera.com>
612
613         Backport from mainline
614         2012-08-27  Walter Lee  <walt@tilera.com>
615
616         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
617         atomic_exchange_bare<mode>,
618         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
619         * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
620         * config/tilegx/tilegx.md (type): Add X1_remove.
621         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
622         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
623         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
624         X1_remote.
625
626 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
627
628         PR rtl-optimization/54088
629         * jump.c (delete_related_insns): Robustify latest change.
630
631 2012-08-21  Richard Guenther  <rguenther@suse.de>
632
633         Backport from mainline
634         2012-08-16  Richard Guenther  <rguenther@suse.de>
635
636         PR middle-end/54146
637         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
638         exit vector.
639         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
640         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
641         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
642         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
643         (tree_ssa_lim_finalize): Free all mem_refs.
644         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
645         scc when bailing out.
646         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
647         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
648         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
649         FOR_EACH_LOOP_BREAK.
650
651         2012-08-17  Richard Guenther  <rguenther@suse.de>
652
653         * tree-sra.c (modify_function): Free redirect_callers vector.
654         * ipa-split.c (split_function): Free args_to_pass vector.
655         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
656         vec_oprnds.
657         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
658         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
659         (vect_analyze_slp_instance): Free everything.
660         (destroy_bb_vec_info): Free the SLP instances.
661
662         2012-08-17  Richard Guenther  <rguenther@suse.de>
663
664         * params.def (integer-share-limit): Decrease from 256 to 251,
665         add rationale.
666
667         2012-08-21  Richard Guenther  <rguenther@suse.de>
668
669         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
670         the affine expansion cache.
671
672 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
673
674         Backported from trunk
675         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
676
677         PR middle-end/53992
678         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
679
680 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
681
682         Backport from mainline.
683         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
684
685         PR target/54212
686         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
687         mark as predicable. Adjust asm template.
688         (vec_setv2di_internal): Likewise.
689         (vec_extract<mode> VD, VQ): Likewise.
690         (vec_extractv2di): Likewise.
691         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
692         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
693         (neon_vdup_n<mode> VX, V32): Likewise.
694         (neon_vdup_nv2di): Likewise.
695
696 2012-08-17  Walter Lee  <walt@tilera.com>
697
698         Backport from mainline
699         2012-08-17  Walter Lee  <walt@tilera.com>
700
701         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
702         (FEEDBACK_ENTER): Define.
703         (FEEDBACK_REENTER): Define.
704         (FEEDBACK_ENTRY): Define.
705         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
706         (FEEDBACK_ENTER): Define.
707         (FEEDBACK_REENTER): Define.
708         (FEEDBACK_ENTRY): Define.
709
710 2012-08-16  Walter Lee  <walt@tilera.com>
711
712         Backport from mainline
713         2012-08-16  Walter Lee  <walt@tilera.com>
714
715         * config.gcc (tilegx-*-linux*): Add feedback.h.
716         (tilepro-*-linux*): Likewise.
717         * config/tilegx/feedback.h: New file.
718         * config/tilepro/feedback.h: New file.
719
720 2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>
721
722         Backport from mainline r189840 and r187586:
723         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
724
725         * config/i386/i386.md (stack_protect_set): Disable the pattern
726         for Android since Android libc (bionic) does not provide random
727         value for stack protection guard at gs:0x14. Guard value
728         will be provided from external symbol (default implementation).
729         (stack_protect_set_<mode>): Likewise.
730         (stack_protect_test): Likewise.
731         (stack_protect_test_<mode>): Likewise.
732         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
733         not have Bionic by default
734         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
735         Macro OPTION_BIONIC is defined in this file and provides Bionic
736         accessibility status
737
738         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
739
740         * configure.ac: Stack protector enabling for Android targets.
741         * configure: Regenerate.
742
743 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
744
745         Backported from trunk
746         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
747
748         PR rtl-optimization/53942
749         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
750         directly from likely spilled non-fixed hard registers, move them
751         to pseudo first.
752
753 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
754
755         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
756         (xop_phaddubq): Ditto.
757
758 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
759
760         Backport from mainline
761         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
762                     Richard Earnshaw  <rearnsha@arm.com>
763
764         * target.def (vector_alignment): New target hook.
765         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
766         * doc/tm.texi: Regenerate.
767         * targhooks.c (default_vector_alignment): New function.
768         * targhooks.h (default_vector_alignment): Add prototype.
769         * stor-layout.c (layout_type): Use targetm.vector_alignment.
770         * config/arm/arm.c (arm_vector_alignment): New function.
771         (TARGET_VECTOR_ALIGNMENT): Define.
772
773         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
774         vector type alignment instead of size.
775         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
776         element type size directly instead of computing it from alignment.
777         Fix variable naming and comment.
778
779 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
780
781         Backport from mainline
782         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
783
784         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
785         (alpha_pad_function_end): ... this.  Also insert NOP between
786         sibling call and GP load.
787         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
788
789 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
790
791         Backport from mainline
792         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
793                     H.J. Lu  <hongjiu.lu@intel.com>
794
795         PR rtl-optimization/54157
796         * combine.c (gen_lowpart_for_combine): Don't return identity
797         for CONST or symbolic reference.
798
799 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
800
801         Backport from mainline
802         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
803
804         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
805         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
806         split_cost argument signed.
807         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
808         (ix86_avoid_lea_for_addr): Ditto.
809
810         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
811
812         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
813         the address has less than two components.
814
815 2012-08-02  Steve Ellcey  <sellcey@mips.com>
816
817         Backport from mainline
818         2012-07-19  Steve Ellcey  <sellcey@mips.com>
819
820         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
821         MIPS16 mode.
822
823 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
824
825         Backport from mainline
826         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
827
828         PR target/53961
829         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
830         negative constant address for TARGET_X32 ...
831         (ix86_decompose_address): ... here.  Reject constant addresses
832         that don't satisfy x86_64_immediate_operand predicate.
833
834         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
835
836         PR target/53961
837         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
838         * config/i386/i386.c (ix86_print_operand_address): Ditto.
839         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
840         addresses.  Prevent zero extensions of CONST_INT operands.
841
842         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
843
844         PR target/53961
845         * config/i386/i386.md (*lea): New insn pattern.
846         (*lea_1): Remove.
847         (*lea<mode>_2): Ditto.
848         (*lea_{3,4,5,6}_zext): Ditto.
849         * config/i386/predicates.md (lea_address_operand): Do not reject
850         zero-extended address operands.
851         * config/i386/constraints.md (j): Remove address constraint.
852         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
853         of an address.
854         (ix86_print_operand_address): Handle SImode subreg of an address.
855         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
856
857 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
858
859         Backport from mainline
860         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
861
862         PR target/52530
863         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
864         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
865         to set code to 'q'.
866         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
867         (*movdi_internal_rex64): Use %E operand modifier for lea.
868         (*movsi_internal): Ditto.
869         (*lea_1): Ditto.
870         (*lea<mode>_2): Ditto.
871         (*lea_{3,4,5,6}_zext): Ditto.
872         (*tls_global_dynamic_32_gnu): Ditto.
873         (*tls_global_dynamic_64): Ditto.
874         (*tls_dynamic_gnu2_lea_32): Ditto.
875         (*tls_dynamic_gnu2_lea_64): Ditto.
876         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
877
878 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
879
880         Backport from mainline
881         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
882
883         * config/i386/i386.c (ix86_address_subreg_operand): Reject
884         stack pointer.
885         (ix86_print_operand_address): Assert that parts.base and parts.index
886         are non-NULL after call to simplify_subreg.
887
888 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
889
890         PR target/33135
891         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
892         description.
893         * config/sh/sh.c (sh_option_override): Do not change
894         flag_finite_math_only.  Set TARGET_IEEE to complement of
895         flag_finite_math_only.
896         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
897         description of mieee and mno-ieee behavior.
898
899 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
900
901         PR target/53877
902         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
903         (_lzcnt_u64): Ditto.
904
905 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
906
907         Backport from mainline
908         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
909
910         PR rtl-optimization/52250
911         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
912         to put note list into.  Unconditionally call move_bb_info.
913         (move_bb_info): Do not assert the blocks being in the same region,
914         just drop the note list if they are not.
915
916 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
917
918         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
919
920 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
921
922         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
923         defining statement is a SSA name that occurs in abnormal PHIs.
924
925 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
926
927         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
928         conversions.
929
930 2012-07-19  Richard Guenther  <rguenther@suse.de>
931             Eric Botcazou  <ebotcazou@adacore.com>
932
933         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
934         about transition from invariant to known bits.
935         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
936
937 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
938
939         PR middle-end/54017
940         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
941         (cleanup_tree_cfg_bb): Don't call it.
942         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
943         handling.
944
945 2012-07-19  Christian Bruel  <christian.bruel@st.com>
946
947         PR target/54029
948         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
949
950 2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>
951
952         * config.gcc (v850-*-rtems*): New target.
953         * config/v850/rtems.h: New.
954         * config/v850/t-rtems: New.
955
956 2012-07-18  Nick Clifton  <nickc@redhat.com>
957
958         * doc/invoke.texi (ARM Options): Document -munaligned-access.
959
960 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
961
962         PR target/53961
963
964         Backport from mainline
965         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
966
967         PR target/53110
968         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
969         instead expand it as zero extension.
970
971 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
972
973         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
974         QImode and HImode splitters.  Use ix86_comparison_operator.
975         Explicitly match FLAGS_REG.
976         (DFmode cmove splitter): Explicitly match FLAGS_REG.
977
978 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
979             Steven Bosscher  <steven@gcc.gnu.org>
980             Bernd Schmidt  <bernds@codesourcery.com>
981
982         PR rtl-optimization/53908
983         * df-problems.c (can_move_insns_across): When doing
984         memory-reference book-keeping, handle call insns.
985
986 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
987
988         Backport from mainline
989         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
990
991         PR target/53811
992         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
993         sibcall_insn_operand.  Move it to a temporary register if not.
994
995         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
996
997         PR target/53853
998         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
999         emit PIC sequence for fnaddr symbol reference in advance.
1000
1001 2012-07-09  Jason Merrill  <jason@redhat.com>
1002
1003         PR c++/53882
1004         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
1005         (type_hash_eq): Likewise.
1006
1007         PR c++/53826
1008         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
1009
1010 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
1011
1012         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
1013         due to negative shift amount.
1014
1015 2012-07-06  Kai Tietz  <ktietz@redhat.com>
1016
1017         Backport from mainline.
1018         PR bootstrap/52947
1019         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
1020         as "/mingw/include".
1021
1022 2012-07-06  Nick Clifton  <nickc@redhat.com>
1023
1024         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
1025         default_encode_section_info.
1026
1027 2012-07-06  Richard Guenther  <rguenther@suse.de>
1028
1029         Backport from mainline
1030         2012-03-30  Richard Guenther  <rguenther@suse.de>
1031
1032         PR middle-end/52786
1033         * double-int.c (rshift_double): Remove not needed cast.
1034
1035         2012-03-28  Richard Guenther  <rguenther@suse.de>
1036
1037         PR middle-end/50708
1038         * double-int.h (rshift_double): Remove.
1039         * double-int.c (lshift_double): Use absu_hwi to make count
1040         positive.
1041         (rshift_double): Make static, take unsigned count argument,
1042         remove handling of negative count argument.
1043         (double_int_rshift): Dispatch to lshift_double.
1044
1045 2012-07-06  Richard Guenther  <rguenther@suse.de>
1046
1047         Backport from mainline
1048         2012-06-18  Richard Guenther  <rguenther@suse.de>
1049
1050         PR tree-optimization/53693
1051         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
1052         Reject operands with more than one use.
1053
1054 2012-07-06  Richard Guenther  <rguenther@suse.de>
1055
1056         Backport from mainline
1057         2012-04-11  Richard Guenther  <rguenther@suse.de>
1058
1059         PR middle-end/52621
1060         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
1061         consider loop nesting.
1062         (evolution_function_is_univariate_p): Properly check the remainder
1063         for chrecs.
1064
1065 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
1066
1067         Backport from mainline
1068         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
1069
1070         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
1071         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
1072         (adjacent_mem_locations): Move some code to and call...
1073         (get_memref_parts): ...new function.
1074         (mem_locations_overlap): New function.
1075         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
1076         (is_mem_ref): Rename to...
1077         (find_mem_ref): ...this. Return MEM rtx.
1078         (get_store_dest): Remove function.
1079         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
1080         new parameter and adjust calls.
1081         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
1082         mem refs overlap for true_store_to_load_dep_costly.
1083         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
1084         passed to adjacent_mem_locations.
1085         (is_costly_group): Walk resolved dependency list.
1086         (force_new_group): Emit group ending nop for Power6/Power7.
1087         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
1088         (group_ending_nop): New define_insn.
1089
1090 2012-07-04  Richard Guenther  <rguenther@suse.de>
1091
1092         PR middle-end/53433
1093         * gimple-fold.c (get_base_constructor): Do not return an
1094         error_mark_node DECL_INITIAL.
1095
1096 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
1097
1098         Backport from mainline
1099         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
1100
1101         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
1102         code model string in the error message.
1103
1104 2012-07-04  Tristan Gingold  <gingold@adacore.com>
1105
1106         Backport from mainline.
1107         2012-06-25  Tristan Gingold  <gingold@adacore.com>
1108
1109         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
1110         (seh_cfa_adjust_cfa): ... that function.
1111         (seh_emit_stackalloc): Do not emit out of range values.
1112         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
1113         UNSPEC_DEF_CFA constants.
1114         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
1115         * config/i386/i386.c (ix86_frame_pointer_required): Required
1116         for very large frames on SEH target.
1117         (ix86_compute_frame_layout): Save area is before frame pointer
1118         on SEH target.  Handle very large frames.
1119         (ix86_expand_prologue): Likewise.
1120
1121 2012-07-04  Richard Guenther  <rguenther@suse.de>
1122
1123         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
1124         as in free_lang_data_in_type.
1125
1126 2012-07-02  Martin Jambor  <mjambor@suse.cz>
1127
1128         Backport from mainline.
1129         2012-07-02  Martin Jambor  <mjambor@suse.cz>
1130
1131         PR middle-end/38474
1132         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
1133         dynamic type change check.
1134
1135 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
1136
1137         * tree-eh.c (lower_try_finally_switch): Really put the location of the
1138         last statement of the finally block onto the switch.
1139
1140 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1141
1142         * configure: Regenerate.
1143
1144         Backport from mainline.
1145         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1146
1147         * config.gcc (target_type_format_char): New. Document it. Set it for
1148         arm*-*-* .
1149         * configure.ac (gnu_unique_option): Use target_type_format_char
1150         in test.  Comment rationale.
1151
1152 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1153
1154         Backport from mainline.
1155         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1156
1157         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
1158
1159 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
1160
1161         Backport from 2012-06-28 mainline r189049
1162
1163         PR 53595
1164         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
1165         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
1166         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
1167         avr_hard_regno_call_part_clobbered.
1168
1169 2012-06-28  Richard Guenther  <rguenther@suse.de>
1170
1171         PR middle-end/53790
1172         * expr.c (expand_expr_real_1): Verify if the type is complete
1173         before inspecting its size.
1174
1175 2012-06-27  Nick Clifton  <nickc@redhat.com>
1176
1177         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1178         input operand.
1179
1180 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
1181
1182         PR debug/53682
1183         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1184
1185 2012-06-26  Nick Clifton  <nickc@redhat.com>
1186
1187         * config/rx/rx.md (simple_return): Use the simple_return rtx.
1188
1189 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
1190
1191         PR target/53759
1192         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1193         of x x x in the vmovlps load alternative.
1194
1195 2012-06-22  Richard Guenther  <rguenther@suse.de>
1196
1197         * gcov-iov.c: Include bconfig.h and system.h.
1198
1199 2012-06-22  Richard Guenther  <rguenther@suse.de>
1200
1201         PR gcov-profile/53744
1202         * gcov-iov.c (main): Treat "" and "prerelease" the same.
1203
1204 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
1205
1206         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1207         DECL_IGNORED_P non-reg vars even if they are used.
1208
1209 2012-06-19  Jason Merrill  <jason@redhat.com>
1210
1211         PR c++/52637
1212         * dwarf2out.c (modified_type_die): Use scope_die_for.
1213         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1214         (uses_local_type_r, uses_local_type): New.
1215         (scope_die_for): Keep a type that uses a local type in local scope.
1216         Use get_context_die for namespace and type scope.
1217
1218 2012-06-19  Richard Guenther  <rguenther@suse.de>
1219
1220         PR middle-end/53470
1221         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1222         replace it with the first non-BLOCK context.
1223
1224 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
1225
1226         PR rtl-optimization/53700
1227
1228         Backport from mainline
1229         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
1230
1231         * ira-color.c (setup_left_conflict_sizes_p): Process all
1232         conflicting objects.
1233
1234 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1235
1236         Backport from mainline
1237         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
1238
1239         PR target/52908
1240         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1241         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1242         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1243         instead of xop_mulv2div2di3_low.
1244         (xop_p<macs>dql): Fix vec_select selector.
1245         (xop_p<macs>dqh): Ditto.
1246         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1247         (xop_mulv2div2di3_high): Ditto.
1248
1249 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1250
1251         Backport from mainline:
1252         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1253
1254         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1255
1256 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1257
1258         Backport from mainline:
1259         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1260
1261         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1262         * config/pa/pa.c (pa_attr_length_millicode_call): Use
1263         MAX_PCREL17F_OFFSET instead of fixed offset.
1264         (pa_attr_length_call): Likewise.
1265         (pa_attr_length_indirect_call): Likewise.
1266
1267 2012-06-15  Walter Lee  <walt@tilera.com>
1268
1269         Backport from mainline:
1270         2012-06-15  Walter Lee  <walt@tilera.com>
1271
1272         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1273
1274         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
1275
1276         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1277
1278 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
1279
1280         Backport from mainline:
1281
1282         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1283         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1284         * gimple.h (block_in_transaction): Check for flag_tm.
1285
1286 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
1287
1288         PR tree-optimization/52558
1289
1290         Backport from mainline:
1291         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
1292         * gimple.h (gimple_set_in_transaction): Remove.
1293         (gimple_in_transaction): Look in BB instead.
1294         (gimple_statement_base): Remove in_transaction field.
1295         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1296         * trans-mem.c (compute_transaction_bits): Place transaction bit
1297         information into basic blocks.
1298
1299         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1300
1301         PR tree-optimization/52558
1302         * cfg.c (alloc_aux_for_edge): Fix comment.
1303         (alloc_aux_for_edge): Remove static.
1304         * basic-block.h (alloc_aux_for_edge): Protoize.
1305         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1306         (execute_sm_if_changed_flag): New.
1307         (execute_sm_if_changed_flag_set): New.
1308         (execute_sm): Do not generate data races unless requested.
1309         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1310         (tree_ssa_lim_finalize): Call free_aux_for_edges.
1311         * gimple.h (block_in_transaction): New.
1312         (gimple_in_transaction): Use block_in_transaction.
1313
1314 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
1315
1316         Backported from mainline
1317         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
1318
1319         PR rtl-optimization/53589
1320         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1321         discovery even when e->dest != target.  If any LABEL_REF points
1322         to e->dest label, redirect it to target's label.
1323
1324         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
1325
1326         PR middle-end/53580
1327         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1328         returns false, replace stmt with GIMPLE_NOP.
1329         (check_omp_nesting_restrictions): Instead of issuing warnings,
1330         issue errors and return false if any errors were reported.
1331
1332 2012-06-14  Richard Guenther  <rguenther@suse.de>
1333
1334         * BASE-VER: Set to 4.7.2.
1335         * DEV-PHASE: Set to prerelease.
1336
1337 2012-06-12  Christian Bruel  <christian.bruel@st.com>
1338
1339         PR target/53621
1340         * config/sh/sh.c (sh_option_override): Don't force
1341          flag_omit_frame_pointer and maccumulate_outgoing_args.
1342         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1343
1344 2012-06-14  Release Manager
1345
1346         * GCC 4.7.1 released.
1347
1348 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
1349
1350         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1351
1352 2012-06-13  Richard Henderson  <rth@redhat.com>
1353
1354         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1355         iterator instead of INT.
1356
1357 2012-06-08  Richard Henderson  <rth@redhat.com>
1358
1359         PR c++/53602
1360         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1361         note to a clobber insn when no other insn is available.
1362
1363 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
1364
1365         PR c++/53524
1366         * doc/invoke.texi (Wenum-compare): Update documentation.
1367
1368 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
1369
1370         PR target/53559
1371         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1372         operands.
1373         (altivec_stvlxl): Ditto.
1374         (altivec_stvrx): Ditto.
1375         (altivec_stvrxl): Ditto.
1376
1377 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
1378
1379         PR middle-end/47530
1380         * trans-mem.c (expand_block_edges): Do not skip the first
1381         statement when resetting the BB.
1382
1383 2012-06-04  Richard Guenther  <rguenther@suse.de>
1384
1385         PR middle-end/53471
1386         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1387         create new assembler names.
1388
1389 2012-06-04  Richard Guenther  <rguenther@suse.de>
1390
1391         Backport from mainline
1392         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1393
1394         PR middle-end/52979
1395         * stor-layout.c (get_best_mode): Don't return mode with bitsize
1396         larger than maxbits.  Don't compute maxbits modulo align.
1397         Also check that unit bytes long store at bitpos / unit * unit
1398         doesn't affect bits beyond bitregion_end.
1399         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1400         would not fit into bitregion_start ... bitregion_end + 1 bit
1401         region.
1402         (store_split_bit_field): Decrease unit close to end of bitregion_end
1403         if access is restricted in order to avoid mutual recursion.
1404
1405 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
1406
1407         Backport from 2012-06-04 mainline r188172
1408
1409         PR target/46261
1410         * config/avr/avr-stdint.h: New file.
1411         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1412         newlib-stdint.h
1413
1414 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
1415
1416         PR tree-optimization/53550
1417         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1418         is POINTER_TYPE_P, use sizetype as step type instead of type.
1419
1420 2012-06-04  Richard Guenther  <rguenther@suse.de>
1421             Eric Botcazou  <ebotcazou@adacore.com>
1422
1423         Backport from mainline
1424         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
1425
1426         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1427         Change type of BITOFFSET to signed.  Make sure the lower bound of
1428         the computed range is non-negative by adjusting OFFSET and BITPOS.
1429         (expand_assignment): Adjust call to get_bit_range.
1430
1431         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1432
1433         * expr.c (get_bit_range): Return the null range if the enclosing record
1434         is part of a larger bit field.
1435
1436         2012-03-20  Richard Guenther  <rguenther@suse.de>
1437
1438         * stor-layout.c (finish_bitfield_representative): Fallback
1439         to conservative maximum size if the padding up to the next
1440         field cannot be computed as a constant.
1441         (finish_bitfield_layout): If we cannot compute the distance
1442         between the start of the bitfield representative and the
1443         bitfield member start a new representative.
1444         * expr.c (get_bit_range): The distance between the start of
1445         the bitfield representative and the bitfield member is zero
1446         if the field offsets are not constants.
1447
1448         2012-03-16  Richard Guenther  <rguenther@suse.de>
1449
1450         * stor-layout.c (finish_bitfield_representative): Fall back
1451         to the conservative maximum size if we cannot compute the
1452         size of the tail padding.
1453
1454         2012-03-14  Richard Guenther  <rguenther@suse.de>
1455
1456         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1457         * stor-layout.c (start_bitfield_representative): New function.
1458         (finish_bitfield_representative): Likewise.
1459         (finish_bitfield_layout): Likewise.
1460         (finish_record_layout): Call finish_bitfield_layout.
1461         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1462         for QUAL_UNION_TYPE fields.
1463         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1464         Stream DECL_BIT_FIELD_REPRESENTATIVE.
1465         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1466
1467         PR middle-end/52080
1468         PR middle-end/52097
1469         PR middle-end/48124
1470         * expr.c (get_bit_range): Unconditionally extract bitrange
1471         from DECL_BIT_FIELD_REPRESENTATIVE.
1472         (expand_assignment): Adjust call to get_bit_range.
1473
1474 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1475
1476         PR middle-end/53501
1477         * fold-const.c (fold_binary_loc): Refine previous change.
1478
1479 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1480
1481         Backport from mainline
1482         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
1483
1484         PR target/52667
1485         * config/sh/sh.c (find_barrier): Add equality check of last_got to
1486         avoid going above orig insn.  Update comments.
1487
1488 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1489
1490         Backport from mainline
1491         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1492
1493         PR target/52642
1494         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1495         prologue for unwinder and profiler.
1496
1497 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1498
1499         Backport from mainline
1500         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1501
1502         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1503
1504 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1505
1506         Backport from mainline
1507         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1508
1509         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1510         DBX_REGISTER_NUMBER.
1511
1512 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1513
1514         Backport from mainline
1515         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1516
1517         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1518         operand is CONST_INT.  Take COSTS_N_INSNS into account.
1519         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1520         shiftcosts.     
1521
1522 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1523
1524         * config/avr/avr.opt (-msp8): Document it.
1525         * doc/invoke.texi (AVR Options): Copy from trunk docu.
1526
1527 2012-05-31  Richard Guenther  <rguenther@suse.de>
1528
1529         PR middle-end/48493
1530         * expr.c (expand_assignment): Do not use movmisalign on
1531         non-memory.
1532
1533 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1534
1535         PR target/52999
1536         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1537         (pa_section_type_flags): New.
1538         (pa_legitimate_constant_p): Revert previous change.
1539
1540 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
1541
1542         Backport from mainline
1543         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
1544
1545         PR middle-end/53008
1546         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1547         accessed indirectly.
1548         (ipa_tm_create_version): Same.
1549
1550 2012-05-30  Jason Merrill  <jason@redhat.com>
1551
1552         PR c++/53220
1553         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1554         about array compound literals.
1555
1556 2012-05-30  Richard Guenther  <rguenther@suse.de>
1557
1558         PR middle-end/53501
1559         * fold-const.c (fold_binary_loc): Make sure to call
1560         fold_plusminus_mult_expr with the original sign of operands.
1561
1562 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1563
1564         * explow.c (probe_stack_range): Restore simple control flow and stop
1565         again when the probe cannot be generated if HAVE_check_stack.
1566
1567 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
1568
1569         PR rtl-optimization/53519
1570         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1571         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1572
1573 2012-05-29  Richard Guenther  <rguenther@suse.de>
1574
1575         PR tree-optimization/53516
1576         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1577         bitfield accesses.
1578         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1579
1580 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1581
1582         Backport from mainline
1583         2012-05-28  Richard Guenther  <rguenther@suse.de>
1584
1585         PR tree-optimization/53438
1586         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1587
1588 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1589
1590         Backport from mainline
1591         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1592
1593         PR rtl-optimization/52528
1594         * combine.c (can_combine_p): Add setting of subst_low_luid
1595         before call to expand_field_assignment().
1596
1597 2012-05-26  Martin Jambor  <mjambor@suse.cz>
1598
1599         Backport from mainline
1600         2012-05-23  Martin Jambor  <mjambor@suse.cz>
1601
1602         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1603
1604 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1605
1606         PR lto/52178
1607         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1608         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1609
1610 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1611
1612         PR target/53435
1613         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1614         (ix86_expand_vec_perm): Use int mode instead of float.
1615
1616 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1617
1618         PR ada/52362
1619         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1620         gnu_ld variables to yes.
1621         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1622         (HAVE_GNU_AS): Likewise.
1623         * config.in: Regenerate.
1624         * configure: Likewise.
1625
1626 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1627
1628         Backport from mainline
1629         2012-03-12  Richard Guenther  <rguenther@suse.de>
1630         * config/arm/arm.c (neon_dereference_pointer): Do not call
1631         covert during RTL expansion.
1632
1633 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1634
1635         Backport from mainline
1636         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1637
1638         PR target/53385
1639         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1640         relied on signed overflow behavior.
1641
1642 2012-05-24  Richard Guenther  <rguenther@suse.de>
1643
1644         PR middle-end/53460
1645         * tree-profile.c (tree_profiling): Cleanup the CFG if
1646         execute_fixup_cfg requests it.
1647
1648 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1649
1650         PR tree-optimization/53465
1651         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1652         vr0 into *vr, then vrp_meet that.
1653         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1654         have any equivalences.
1655         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1656         first time.
1657
1658 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1659
1660         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1661         size handling.
1662         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1663         (iterative_hash_gimple_type): Adjust comment.
1664         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1665         domain for an array type instead of the domain type itself.
1666
1667 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1668
1669         Backport from 2012-05-23 mainline r187803
1670
1671         PR target/53448
1672         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1673         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1674         ASM_OUTPUT_ALIGN.
1675
1676 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1677
1678         Backport from 2012-05-03 mainline r187075
1679
1680         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1681         has_fma4 for AMD processors with both fma3 and fma4 support.
1682
1683 2012-05-22  Richard Guenther  <rguenther@suse.de>
1684
1685         PR tree-optimization/53408
1686         * tree-vect-loop.c (vectorizable_induction): Properly check
1687         the restriction that we cannot handle induction results from
1688         the inner loop outside of the outer loop.
1689
1690 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1691
1692         PR tree-optimization/53436
1693         * omp-low.c (omp_build_component_ref): New function.
1694         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1695
1696         PR tree-optimization/53366
1697         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1698         tests if complex_numbers == 2, but there are non-complex number loads
1699         too.
1700
1701         PR tree-optimization/53409
1702         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1703         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1704
1705         PR tree-optimization/53410
1706         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1707         instead of build_int_cst (type, 0) where vector types might be
1708         involved.
1709
1710 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1711
1712         PR c/53418
1713         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1714         from folded operands before wrapping another around the
1715         conditional expression.
1716
1717 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
1718             Patrick Marlier  <patrick.marlier@gmail.com>
1719
1720         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1721         indirect calls.
1722
1723 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1724
1725         Backport from mainline
1726         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1727
1728         PR target/53416
1729         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1730         (UNSPECV_RDRAND): This.
1731         (rdrand<mode>_1): Updated.
1732
1733 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1734
1735         Backport from mainline
1736         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1737
1738         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1739         RDRND, F16C and FSGSBASE.
1740
1741 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1742
1743         Backport from mainline
1744         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1745
1746         * tree-ssa-pre.c (can_value_number_call): Delete.
1747         (compute_avail): Skip all statements with side effects.
1748         <GIMPLE_CALL>: Skip calls to internal functions.
1749
1750 2012-05-18  David S. Miller  <davem@davemloft.net>
1751
1752         Backport r185385 from mainline
1753         2012-03-14  Richard Guenther  <rguenther@suse.de>
1754
1755         PR middle-end/52584
1756         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1757         element type instead of mode, use build_vector_type_for_mode
1758         instead of the langhook, build a vector of proper signedness.
1759         (expand_vector_operations_1): Adjust.
1760
1761 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1762
1763         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1764         $(libsubdir) as libexecsubdir.
1765
1766 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1767
1768         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1769         GIMPLE_ASSIGN.
1770
1771 2012-05-16  David S. Miller  <davem@davemloft.net>
1772
1773         * jump.c (delete_related_insns): If we remove a CALL, make sure
1774         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1775
1776 2012-05-16  Richard Henderson  <rth@redhat.com>
1777
1778         PR debug/52727
1779         * combine-stack-adj.c (prev_active_insn_bb): New.
1780         (next_active_insn_bb): New.
1781         (force_move_args_size_note): New.
1782         (combine_stack_adjustments_for_block): Use it.
1783
1784 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1785
1786         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1787         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1788         Add comments and improve stamp preservation across the whole sequence.
1789         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1790
1791 2012-05-16  Richard Guenther  <rguenther@suse.de>
1792
1793         PR tree-optimization/53364
1794         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1795         detect a view-conversion of the decl.
1796
1797 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1798
1799         PR target/53358
1800         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1801         that operands[2] is either immediate, or q_regs_operand.
1802
1803 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1804
1805         Backport r187139 from mainline.
1806         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1807
1808         PR rtl-optimization/52804
1809         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1810         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1811         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1812         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1813         RELOAD_FOR_OUTADDR_ADDRESS.
1814
1815 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1816
1817         PR target/46098
1818         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1819         generate target register for "load" class builtins.
1820
1821         Revert:
1822         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1823
1824         PR target/46098
1825         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1826         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1827         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1828         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1829         (<sse>_movu<ssemodesuffix>): New expander.
1830         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1831         (avx_movdqu<avxmodesuffix>): New expander.
1832         (*sse2_movdqu): Rename from sse2_movdqu.
1833         (sse2_movdqu): New expander.
1834
1835 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1836
1837         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1838         lineno 1 the same as lineno 0 before first start file directive.
1839         (optimize_macinfo_range): Likewise.
1840
1841         * dwarf2out.c (have_macinfo): Define.
1842         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1843         attribute, don't force empty compilation unit and don't emit any
1844         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1845
1846 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1847
1848         Backport from mainline
1849         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1850
1851         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1852         ORDERED and UNORDERED conditions.
1853
1854 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1855
1856         * function.c (requires_stack_frame_p): If the function can throw
1857         non-call exceptions, return true if the insn can throw internally.
1858
1859 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1860
1861         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1862         DECL_ORIGINAL_TYPE if it is present.
1863
1864 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1865
1866         Backport from 2012-05-12 mainline r187342.
1867
1868         PR target/53256
1869         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1870         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1871         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1872         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1873         (expand_prologue): Move initialization of cfun->machine->is_naked,
1874         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1875         (avr_set_current_function): ...this new static function.
1876         (TARGET_SET_CURRENT_FUNCTION): New define.
1877         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1878         checking attributes of current_function_decl.
1879         (avr_regs_to_save): Ditto.
1880         (signal_function_p): Rename to avr_signal_function_p.
1881         (interrupt_function_p): Rename to avr_interrupt_function_p.
1882
1883         * doc/extend.texi (Function Attributes): Better explanation of
1884         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1885         alphabetical order.
1886
1887 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1888
1889         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1890
1891 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1892
1893         PR target/53272
1894         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1895         when a constant source operand matches an "I" constraint, the "no
1896         CC0 change" applies to a register-destination only, not a
1897         strict_low_part-destination.
1898
1899 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1900
1901         Backport from mainline:
1902         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1903
1904         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1905
1906 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1907
1908         PR tree-optimization/53239
1909         * tree-vrp.c (get_value_range): Set VR of
1910         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1911         to nonnull.
1912
1913 2012-05-07  Richard Guenther  <rguenther@suse.de>
1914
1915         PR tree-optimization/53195
1916         * tree-inline.c (setup_one_parameter): Properly add referenced
1917         vars from the parameters new known value.
1918
1919 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1920
1921         Backport from mainline:
1922         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1923
1924         PR target/52999
1925         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1926         in constant pool.
1927
1928 2012-05-04  Ian Lance Taylor  <iant@google.com>
1929
1930         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1931         values from false to NULL.
1932
1933 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1934
1935         Backport from mainline
1936         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1937
1938         PR target/53228
1939         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1940         (TARGET_CMOV): Rename from TARGET_CMOVE.
1941         (TARGET_CMOVE): New define.
1942         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1943         Do not set TARGET_CMOVE here.
1944
1945 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1946
1947         Backport from mainline:
1948
1949         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1950
1951         PR tree-optimization/52633
1952         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1953         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1954         (vect_recog_over_widening_pattern): Remove handling of code that was
1955         already detected as over-widening pattern.  Remove special handling
1956         of "unsigned" cases.  Instead, support general case of conversion
1957         of the shift result to another type.
1958
1959         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1960
1961         * tree-vect-patterns.c (vect_single_imm_use): New function.
1962         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1963         (vect_recog_over_widening_pattern): Likewise.
1964         (vect_recog_widen_shift_pattern): Likewise.
1965
1966         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1967
1968         PR tree-optimization/52870
1969         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1970         presumed pattern statement is within the same loop or basic block.
1971
1972 2012-05-04  Richard Guenther  <rguenther@suse.de>
1973
1974         * common.opt (flto-report): Do not mark as Optimization.
1975
1976 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1977
1978         PR target/48496
1979         * recog.c (constrain_operands): If extra constraints are present, also
1980         accept pseudo-registers with equivalent memory locations during reload.
1981
1982 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1983
1984         Backport from the mainline
1985         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1986
1987         PR target/53199
1988         * config/rs6000/rs6000.md (bswapdi splitters): If
1989         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1990         default) is used, generate an alternate sequence that does not
1991         depend on using indexed addressing.
1992
1993 2012-05-03  David S. Miller  <davem@davemloft.net>
1994
1995         PR target/52684
1996         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1997         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1998         (sparc_emit_float_lib_cmp): Likewise.
1999
2000 2012-05-04  Martin Jambor  <mjambor@suse.cz>
2001
2002         Backport from mainline
2003         2012-05-02  Martin Jambor  <mjambor@suse.cz>
2004
2005         PR lto/52605
2006         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
2007         of a variable when the contect is a function.
2008
2009 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
2010
2011         PR plugins/53126
2012         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
2013         append program name to it and pass that as first argument
2014         to make_relative_prefix.  Always pass standard_libexec_prefix
2015         as last argument to make_relative_prefix.  If
2016         make_relative_prefix returns NULL, fall back to
2017         standard_libexec_prefix.
2018
2019         PR debug/53174
2020         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
2021         removed.
2022
2023         PR target/53187
2024         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
2025         mode, return that mode.
2026
2027 2012-05-03  Richard Guenther  <rguenther@suse.de>
2028
2029         PR tree-optimization/53144
2030         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
2031         Rename to ...
2032         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
2033         with SSA name values.
2034         (vn_reference_lookup_3): Adjust callers.
2035
2036 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
2037
2038         PR tree-optimization/53163
2039         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
2040         return value from compute_all_dependences.
2041
2042         PR rtl-optimization/53160
2043         * ree.c (combine_reaching_defs): Handle the case where cand->insn
2044         has been modified by ree pass already.
2045
2046 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
2047
2048         Backport from mainline
2049         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2050
2051         PR middle-end/53136
2052         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
2053         calls to cgraph_node_name in xstrdup.
2054         (ipa_make_edge_direct_to_target): Ditto.
2055         * tree-sra.c (convert_callers_for_node): Ditto.
2056         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
2057         * ipa-cp.c (perhaps_add_new_callers): Ditto.
2058         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
2059         (cgraph_materialize_all_clones): Ditto.
2060         * ipa-inline.c (report_inline_failed_reason): Ditto.
2061         (want_early_inline_function_p): Ditto.
2062         (edge_badness): Ditto.
2063         (update_edge_key): Ditto.
2064         (flatten_function): Ditto.
2065         (ipa_inline): Ditto.
2066         (inline_always_inline_functions): Ditto.
2067         (early_inline_small_functions): Ditto.
2068
2069 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
2070
2071         Backport from mainline
2072         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
2073
2074         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
2075         Introduce emul_name to select the right linker emulation for
2076         powerpc64-*-freebsd*.
2077         * configure: Regenerate.
2078         * config.gcc: Add bits to support powerpc64-*-freebsd*.
2079         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
2080         * config/rs6000/freebsd64.h: New file.
2081         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
2082         POWERPC_FREEBSD.
2083         (rs6000_savres_strategy): Likewise.
2084         (rs6000_savres_routine_name): Likewise.
2085         (rs6000_elf_file_end): Likewise.
2086         * config/rs6000/t-freebsd64: New file.
2087         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
2088         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
2089
2090 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2091
2092         Backport from mainline
2093         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
2094
2095         PR target/53138
2096         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
2097
2098 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2099
2100         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
2101         predicate to discriminate types.
2102
2103 2012-04-27  Richard Guenther  <rguenther@suse.de>
2104
2105         PR c/51527
2106         * convert.c (convert_to_integer): Avoid infinite recursion for
2107         target-defined built-in types.
2108
2109 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
2110
2111         PR target/53120
2112         * config/cris/cris.md ("*andhi_lowpart_v32")
2113         ("*andqi_lowpart_v32"): Change first input-only operand from
2114         a (match_operand ...) to (match_dup 0).  Drop alternatives with
2115         const_int-matching constraints for redundancy.
2116         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
2117         three-operand alternative.
2118
2119 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
2120
2121         Backport from mainline
2122         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
2123
2124         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
2125         (*addsi_2_zext): Ditto.
2126         (*add<mode>_3): Ditto.
2127         (*addsi_3_zext): Ditto.
2128         (*add<mode>_5): Ditto.
2129
2130 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
2131
2132         PR c/52880
2133         * c-typeck.c (set_nonincremental_init,
2134         set_nonincremental_init_from_string): Pass true instead of false
2135         as IMPLICIT to add_pending_init.
2136
2137 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
2138
2139         Backport from 2012-04-24 mainline r186768.
2140
2141         PR target/53065
2142         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
2143
2144 2012-04-24  Richard Guenther  <rguenther@suse.de>
2145
2146         PR tree-optimization/53085
2147         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
2148         stores.
2149
2150 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
2151
2152         PR middle-end/53084
2153         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
2154         of MEM_REF.
2155         (output_addressed_constants): Likewise.
2156
2157         PR middle-end/52999
2158         * varasm.c (get_section): Don't ICE for section conflicts with
2159         built-in section kinds.
2160
2161 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
2162
2163         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
2164
2165 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
2166
2167         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
2168
2169 2012-04-23  Richard Guenther  <rguenther@suse.de>
2170
2171         PR c/53060
2172         * c-typeck.c (build_binary_op): Fix typo.
2173
2174 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
2175
2176         PR tree-optimizations/52891
2177         * tree-vect-patterns.c (adjust_bool_pattern): Use
2178         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2179         but with non-standard precision.
2180
2181 2012-04-22  Ian Lance Taylor  <iant@google.com>
2182
2183         * godump.c (go_output_typedef): Dump size of structs.
2184
2185 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
2186
2187         Backport from mainline:
2188
2189         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2190         hints for 'A' operand types.
2191
2192 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
2193
2194         Backport from 2012-04-19 mainline r186588.
2195
2196         PR target/53033
2197         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2198         the case *(X+const).
2199
2200 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
2201
2202         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2203
2204 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
2205
2206         PR target/53020
2207         * config/i386/sync.md (atomic_<code><mode>): Rename to
2208         atomic_<logic><mode>.
2209
2210 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
2211
2212         Backport from mainline
2213         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
2214
2215         PR target/52932
2216         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2217         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
2218         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2219         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2220         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2221         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2222         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2223         gen_avx2_permvarv8sf.
2224
2225 2012-04-16  Martin Jambor  <mjambor@suse.cz>
2226
2227         Backported from mainline
2228
2229         2012-04-13  Martin Jambor  <mjambor@suse.cz>
2230         PR middle-end/52939
2231
2232         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2233         fold_ctor_reference returns a zero constant.
2234
2235 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2236
2237         Backported from mainline
2238         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2239
2240         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2241         and __ILP32__ for x32.
2242
2243 2012-04-13  Tom de Vries  <tom@codesourcery.com>
2244
2245         Backport from mainline r186418.
2246
2247         2012-04-13  Tom de Vries  <tom@codesourcery.com>
2248
2249         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2250         parameters vuse and vuse_escaped.
2251         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
2252         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
2253         vuse1 != vuse2.
2254
2255 2012-04-13  Richard Guenther  <rguenther@suse.de>
2256
2257         PR tree-optimization/52969
2258         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2259         the condition for the COND_EXPR and handle predicate negation
2260         by swapping the COND_EXPR arms.
2261
2262 2012-04-13  Richard Guenther  <rguenther@suse.de>
2263
2264         PR c/52862
2265         * convert.c (convert_to_pointer): Remove special-casing of
2266         zero.
2267
2268 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2269
2270         Backport from mainline
2271         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2272
2273         PR target/52775
2274         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2275         the list of options to enable the FCFID instruction.
2276         (TARGET_EXTRA_BUILTINS): Adjust comment.
2277
2278 2012-04-12  Richard Guenther  <rguenther@suse.de>
2279
2280         PR tree-optimization/52943
2281         * tree-chrec.h (chrec_is_positive): Remove.
2282         * tree-scalar-evolution.c (chrec_is_positive): Move ...
2283         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
2284         Return false for a constant zero instead of negative.
2285         (analyze_siv_subscript_cst_affine): Handle zero difference
2286         in the initial condition explicitely.
2287
2288 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2289
2290         PR middle-end/52894
2291         * varasm.c (process_pending_assemble_externals): Set
2292         pending_assemble_externals_processed true.
2293         (assemble_external): Call assemble_external_real if the pending
2294         assemble externals have been processed.
2295
2296 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2297
2298         PR target/52717
2299         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2300         the DECL generated for the special GOT helper.
2301
2302 2012-04-06  Walter Lee  <walt@tilera.com>
2303
2304         Backport from mainline
2305         2012-03-07  Walter Lee  <walt@tilera.com>
2306
2307         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2308         REG_CFA_* notes for the stack pointer.
2309         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2310         EH_RETURN_STACKADJ_RTX.
2311         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2312         generate REG_CFA_* notes for the stack pointer.
2313         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2314         by EH_RETURN_STACKADJ_RTX.
2315
2316 2012-04-06  Matt Turner  <mattst88@gmail.com>
2317
2318         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2319
2320 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
2321
2322         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2323         of the destination isn't also a FP_REGS register.
2324
2325 2012-04-03  Richard Guenther  <rguenther@suse.de>
2326
2327         Backport from mainline
2328         2012-03-02  Richard Guenther  <rguenther@suse.de>
2329
2330         PR tree-optimization/52406
2331         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2332         (struct indices): Add unconstrained_base member.
2333         (struct dr_alias): Remove unused vops member.
2334         (DR_UNCONSTRAINED_BASE): New define.
2335         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2336         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
2337         be an artificial access that covers the whole indexed object,
2338         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
2339         plain decl base-objects to their MEM_REF variant.
2340         (dr_may_alias_p): When the base-object of either data reference
2341         has unknown size use only points-to information.
2342         (compute_affine_dependence): Make dumps easier to read and
2343         more verbose.
2344         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2345         DR_REF when looking for packed references.
2346         (vect_supportable_dr_alignment): Likewise.
2347
2348 2012-04-03  Richard Guenther  <rguenther@suse.de>
2349
2350         Backport from mainline
2351         2012-03-15  Richard Guenther  <rguenther@suse.de>
2352
2353         PR middle-end/52580
2354         * tree-data-ref.c (subscript_dependence_tester_1): Check
2355         all dimensions for non-conflicting access functions.
2356
2357 2012-04-03  Richard Guenther  <rguenther@suse.de>
2358
2359         Backport from mainline
2360         2012-03-06  Richard Guenther  <rguenther@suse.de>
2361
2362         PR middle-end/52493
2363         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2364
2365         2012-03-23  Richard Guenther  <rguenther@suse.de>
2366
2367         PR tree-optimization/52678
2368         * tree-vectorizer.h (struct _stmt_vec_info): Add
2369         loop_phi_evolution_part member.
2370         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2371         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2372         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2373         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2374         Use the cached evolution part and the PHI nodes value from
2375         the loop preheader edge instead of re-analyzing the evolution.
2376
2377         2012-03-26  Richard Guenther  <rguenther@suse.de>
2378
2379         PR tree-optimization/52701
2380         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2381         compute and set the evolution part of PHI nodes.
2382
2383         2012-03-30  Richard Guenther  <rguenther@suse.de>
2384
2385         PR tree-optimization/52754
2386         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2387         propagate arbitrary addresses into really plain dereferences.
2388
2389 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
2390
2391         PR tree-optimization/52835
2392         * tree-data-ref.c (build_rdg): Return NULL if
2393         compute_data_dependences_for_loop failed.
2394
2395 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
2396
2397         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2398         (stmt_can_make_abnormal_goto): Use it.
2399         (is_ctrl_altering_stmt): Likewise.
2400
2401 2012-03-31  Martin Jambor  <mjambor@suse.cz>
2402
2403         Backported from mainline
2404         2012-03-30  Martin Jambor  <mjambor@suse.cz>
2405
2406         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2407         is a builtin_stack_save in a dominating BB.
2408
2409 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2410
2411         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2412         crossing 128bit lane boundary.
2413
2414 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2415
2416         Backported from mainline
2417         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
2418
2419         PR target/52698
2420         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2421         New prototype.
2422         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2423         * config/i386/i386.c: Include reload.h.
2424         (ix86_legitimize_reload_address): New function.
2425
2426 2012-03-28  Martin Jambor  <mjambor@suse.cz>
2427
2428         Backported from mainline
2429         2012-03-27  Martin Jambor  <mjambor@suse.cz>
2430
2431         PR middle-end/52693
2432         * tree-sra.c (sra_modify_assign): Do not call
2433         load_assign_lhs_subreplacements when working with an unscalarizable
2434         region.
2435
2436 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2437
2438         PR middle-end/52691
2439         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2440         __builtin_va_start to __builtin_next_arg if the latter is
2441         builtin_decl_explicit_p rather than when it is not.
2442
2443         PR middle-end/52750
2444         * tree-vect-generic.c (vector_element): Perform multiplication
2445         for pos in bitsizetype type instead of idx type.
2446
2447 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2448
2449         Backport from 2012-03-28 mainline r185910.
2450
2451         PR target/52692
2452         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2453         (avr_builtin_decl): New static function.
2454         (struct avr_builtin_description, avr_bdesc): Move up.
2455         Add GTY marker. Add field fndecl. Remove redundant field id.
2456         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2457         (avr_expand_builtin): Code cleanup because .id is removed.
2458
2459 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
2460
2461         PR middle-end/51893
2462         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2463         targets.
2464
2465 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2466
2467         Backport from 2012-03-28 mainline r185907.
2468
2469         PR target/52737
2470         * config.gcc (tm_file): Remove avr/multilib.h.
2471
2472         * doc/invoke.texi (AVR Options): Adjust
2473         documentation of -mtiny-stack.
2474
2475         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2476         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2477         * config/avr/t-avr: Remove generation of multilib.h.
2478         * config/avr/t-multilib: Regenerate.
2479         * config/avr/multilib.h: Remove.
2480         * config/avr/avr.opt (-msp8): New option.
2481         (avr_sp8): New variable.
2482         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2483         * config/avr/avr.h (AVR_HAVE_SPH): New define.
2484         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2485         (avr_device_to_sp8): New prototype.
2486         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2487         (DRIVER_SELF_SPECS): New define.
2488         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2489         __AVR_SP8__, __AVR_HAVE_SPH__.
2490         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2491         AVR_HAVE_8BIT_SP to decide if SP_H is present.
2492         (avr_file_start): Ditto.
2493
2494 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2495
2496         PR target/52736
2497         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2498         instead of 8 in adjust_address.
2499
2500 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
2501
2502         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2503         of a unit before computing the offset in units.
2504
2505 2012-03-27  Richard Guenther  <rguenther@suse.de>
2506
2507         PR middle-end/52720
2508         * fold-const.c (try_move_mult_to_index): Handle &x.array more
2509         explicitely.
2510
2511 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2512
2513         PR target/52610
2514         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2515
2516 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
2517
2518         PR middle-end/52640
2519         * varasm.c: Include pointer-set.h.
2520         (pending_assemble_externals_set): New pointer set.
2521         (process_pending_assemble_externals): Destroy the pointer set.
2522         (assemble_external): See if decl is in pending_assemble_externals_set,
2523         and add it to pending_assemble_externals if necessary.
2524         (init_varasm_once): Allocate pending_assemble_externals_set.
2525
2526 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2527
2528         Backported from mainline
2529         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2530
2531         PR target/50310
2532         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2533         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2534         (vector_ltgt<mode>): Likewise.
2535         (vector_ordered<mode>): Likewise.
2536         (vector_unordered<mode>): Likewise.
2537         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2538
2539 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
2540
2541         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2542         Make static.
2543
2544 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2545
2546         Backported from mainline
2547         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
2548
2549         PR target/48596
2550         PR target/48806
2551         * config/sh/sh.c (sh_register_move_cost): Increase cost between
2552         GENERAL_REGS and FP_REGS for SImode.
2553
2554 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2555
2556         PR middle-end/52547
2557         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2558         on any new_local_var_chain vars declared during recursing on
2559         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2560
2561 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2562
2563         Backport from 2012-03-22 mainline r185692.
2564
2565         PR target/52496
2566         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2567         (unspecv): Add UNSPECV_MEMORY_BARRIER.
2568         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2569         (delay_cycles_1, delay_cycles_2): Ditto.
2570         (delay_cycles_3, delay_cycles_4): Ditto.
2571         (nopv, *nopv): Ditto.
2572         (sleep, *sleep): Ditto.
2573         (wdr, *wdr): Ditto.
2574
2575         Backport from 2012-03-21 mainline r185605.
2576
2577         PR rtl-optimization/52543
2578         PR target/52461
2579         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2580         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2581         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2582         (avr_load_libgcc_p): Restrict to __flash loads.
2583         (avr_out_lpm): Only handle 1-byte loads from __flash.
2584         (avr_load_lpm): New function.
2585         (avr_find_unused_d_reg): Remove.
2586         (avr_out_lpm_no_lpmx): Remove.
2587         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2588         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2589         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2590         (load_<mode>, load_<mode>_clobber): New insns.
2591         (mov<mode>): For multi-byte move from non-generic
2592         16-bit address spaces: Expand to load_<mode> resp.
2593         load_<mode>_clobber.
2594         (load<mode>_libgcc): Remove expander.
2595         (split-lpmx): Remove split.
2596
2597         Backport from 2012-03-13 mainline r185329.
2598
2599         PR target/52488
2600         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2601         offset (size) to a value the insns can deal with.
2602         (expand_epilogue): Ditto.
2603
2604         Backport from 2012-03-12 mainline r185256.
2605
2606         PR target/52499
2607         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2608         type from reg_class_t to enum reg_class.
2609         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2610
2611         Backport from 2012-03-12 mainline r185253.
2612
2613         PR target/52148
2614         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2615         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2616         r184615 from 2012-02-28.
2617
2618         Backport from 2012-03-08 mainline r185105.
2619
2620         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2621         for constants in [-63,63].
2622
2623         Backport from 2012-03-08 mainline r185100.
2624
2625         PR target/52496
2626         * config/avr/avr.c (avr_mem_clobber): New static function.
2627         (avr_expand_delay_cycles): Add memory clobber operand to
2628         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2629         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2630         (enable_interrupt, disable_interrupt): New expander.
2631         (nopv, sleep, wdr): New expanders.
2632         (delay_cycles_1): Add memory clobber.
2633         (delay_cycles_2): Add memory clobber.
2634         (delay_cycles_3): Add memory clobber.
2635         (delay_cycles_4): Add memory clobber.
2636         (cli_sei): New insn from former "enable_interrupt",
2637         "disable_interrupt" with memory clobber.
2638         (*wdt): New insn from former "wdt" with memory clobber.
2639         (*nopv): Similar, but for "nopv".
2640         (*sleep): Similar, but for "sleep".
2641
2642         Backport from 2012-03-07 mainline r185043.
2643
2644         PR target/52484
2645         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2646
2647         Backport from 2012-03-07 mainline r185032.
2648
2649         PR target/52506
2650         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2651         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2652         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2653
2654         Backport from 2012-03-07 mainline r185031.
2655
2656         PR target/52505
2657         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2658         from RAM.
2659         * config/avr/avr.md (xload_8): Adjust insn length.
2660
2661         Backport from 2012-03-07 mainline r185030.
2662
2663         PR target/52461
2664         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2665         if RAMPZ affects reading from RAM.
2666
2667         Backport from 2012-03-05 mainline r184919.
2668
2669         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2670
2671 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2672
2673         Backport from mainline r185259.
2674
2675         PR other/52545
2676         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2677         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2678
2679 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2680
2681         Backported from mainline
2682         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
2683
2684         PR c/52577
2685         * c-parser.c (c_parser_postfix_expression)
2686         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2687
2688         * config/i386/smmintrin.h: Avoid /* within a comment.
2689         * config/i386/nmmintrin.h: Likewise.
2690
2691 2012-03-22  Richard Guenther  <rguenther@suse.de>
2692
2693         * BASE-VER: Set to 4.7.1.
2694         * DEV-PHASE: Set to prerelease.
2695
2696 2012-03-22  Release Manager
2697
2698         * GCC 4.7.0 released.
2699
2700 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2701
2702         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2703
2704 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
2705             Andrew Pinski  <apinski@cavium.com>
2706
2707         PR middle-end/52592
2708         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2709         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2710         calls instead of __builtin_ir{int,ound}*.
2711
2712 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
2713
2714         PR c++/52582
2715         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2716         if c_node is NULL.
2717
2718 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2719
2720         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2721         Refer to GCC 4.7 version of c99status.html.
2722
2723 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2724
2725         Backport from mainline
2726         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2727
2728         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2729         redefine to be NULL if the current bit-size is different from the
2730         configured bit-size.
2731
2732         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2733         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2734         set the default tuning.  Add asserts to make sure the cpu and tune
2735         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2736         test whether the index is set, instead of > 0.
2737         (rs6000_file_start): Do not reset the default cpu if the current
2738         bit-size is different from the configured bit-size.
2739
2740 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2741
2742         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2743         binutils reference.
2744         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2745         Update binutils references.
2746         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2747         Update binutils reference.
2748         Update Sun as/GNU ld caveat.
2749         Document binutils largefile requirement for LTO plugin.
2750         Remove reference to alternate libpthread.
2751
2752 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2753
2754         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2755         reference.
2756         (Specific, mips-sgi-irix6): Likewise.
2757
2758 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2759
2760         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2761         * configure: Regenerate.
2762
2763 2012-03-07  Richard Henderson  <rth@redhat.com>
2764
2765         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2766         * config/m68k/sync.md (atomic_test_and_set): Use it.
2767         (atomic_test_and_set_1): Likewise.
2768
2769 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
2770
2771         PR target/51417
2772         * Makefile.in: Let install-gcc-ar depend on installdirs,
2773         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2774         Don't double canonicalize if cross-compiling.
2775
2776 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2777
2778         * trans-mem.c: New typedef for tm_region_p.
2779         Define vector types for tm_region_p.
2780         (tm_region_init): Replace region_worklist to a vector called
2781         bb_regions.
2782
2783 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2784
2785         PR middle-end/52463
2786         * trans-mem.c (tm_region_init): Use last_basic_block.
2787
2788 2012-03-05  Richard Henderson  <rth@redhat.com>
2789
2790         PR tree-opt/52242
2791         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2792         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2793         BIGGEST_ALIGNMENT is aligned.
2794
2795 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2796
2797         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2798
2799 2012-03-05  Richard Henderson  <rth@redhat.com>
2800
2801         PR target/52481
2802         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2803         instead of calling negqi2 directly.
2804
2805 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2806
2807         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2808         (INTMAX_TYPE): Use it.
2809         (UINTMAX_TYPE): Likewise.
2810         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2811         (irix6_c_common_override_options): Declare.
2812         (C_COMMON_OVERRIDE_OPTIONS): Define.
2813         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2814         * config/mips/irix6-c.c: New file.
2815         * config/mips/t-irix6 (irix6-c.o): New target.
2816         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2817         cxx_target_objs.
2818
2819 2012-03-02  Richard Henderson  <rth@redhat.com>
2820
2821         * optabs.c (expand_atomic_test_and_set): Honor
2822         atomic_test_and_set_trueval even when atomic_test_and_set
2823         optab is not in use.
2824
2825 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2826
2827         Backport from mainline
2828         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2829
2830         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2831
2832 2012-03-02  Richard Guenther  <rguenther@suse.de>
2833
2834         * DEV-PHASE: Set to prerelease.
2835
2836 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2837
2838         * config.gcc (obsolete): Add all ARM targets using the FPA.
2839         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2840         * doc/install.texi: Avoid references to obsolete ARM ports.
2841
2842 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2843
2844         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2845
2846 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2847             Joern Rennecke  <joern.rennecke@embecosm.com>
2848
2849         * doc/extend.texi: Expand and update information on interrupt
2850         attribute for Epiphany.
2851
2852 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2853
2854         * config/sh/sh-protos.h: Update copyright notice dates.
2855         * config/sh/sh.h: Likewise.
2856         * config/sh/sh.md: Likewise.
2857         * config/sh/constraints.md: Likewise.
2858         * config/sh/predicates.md: Likewise.
2859
2860 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2861
2862         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2863         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2864
2865 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2866
2867         * config/sh/constraints.md: Fix comment typo.
2868
2869 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2870
2871         PR target/52408
2872         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2873         unsigned HOST_WIDE_INT.
2874         (zvdep_imm64): Likewise.
2875         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2876         (vdepi_and): Likewise.
2877         Likewise for unamed 64-bit patterns.
2878         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2879
2880 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2881
2882         PR debug/52001
2883         PR rtl-optimization/52417
2884         * cselib.c (cselib_any_perm_equivs): New variable.
2885         (cselib_reset_table): Check that it's not set when not
2886         preserving constants.
2887         (cselib_add_permanent_equiv): Set it.
2888         (cselib_have_permanent_equivalences): New.
2889         (cselib_init, cselib_finish): Reset it.
2890         * cselib.h (cselib_have_permanent_equivalences): Declare.
2891         * alias.c (get_addr): Restore earlier behavior when there
2892         aren't permanent equivalences.
2893
2894 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2895
2896         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2897         * config/v850/v850-modes.def: Fix copyright notice.
2898
2899 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2900
2901         * doc/extend.texi (AVR Built-in Functions): Document
2902         __builtin_avr_flash_segment.
2903
2904         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2905         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2906         (*split.flash_segment): New insn-and-split.
2907         * config/avr/avr.c (avr_init_builtins): Add local variables:
2908         const_memx_void_node, const_memx_ptr_type_node,
2909         char_ftype_const_memx_ptr.
2910
2911 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2912
2913         PR tree-optimization/52445
2914         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2915         add ssa_name_ver, offset and size fields and change store field
2916         to bool.
2917         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2918         (add_or_mark_expr): Likewise.  Only consider previous stores
2919         with the same size and offset.
2920         (nt_init_block): Only look at gimple_assign_single_p stmts,
2921         doesn't look at rhs2.
2922
2923 2012-03-01  Richard Guenther  <rguenther@suse.de>
2924
2925         PR middle-end/52443
2926         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2927         conversions from integral types to pointer types.
2928
2929 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2930
2931         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2932         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2933         unintentionally removed in r184616.
2934
2935 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2936
2937         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2938         3DNow from bdver1.
2939
2940 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2941             Uros Bizjak  <ubizjak@gmail.com>
2942
2943         PR target/52437
2944         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2945         alternatives, add "e" constraint to the new last alternative
2946         and ! to last 3 alternatives.
2947
2948 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2949
2950         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2951         DW_AT_artificial attributes at the end of the processing.
2952         (gen_array_type_die): Likewise.
2953         (gen_enumeration_type_die): Likewise.
2954         (gen_struct_or_union_type_die): Likewise.
2955         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2956         the parent type.
2957
2958 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2959
2960         PR middle-end/52419
2961         * expr.c (expand_assignment): If doing misaligned store that doesn't
2962         cover all mode bits, perform a RMW cycle.
2963
2964         PR tree-optimization/52429
2965         * tree-parloops.c (separate_decls_in_region_debug): Return early
2966         if var is LABEL_DECL.
2967
2968 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2969
2970         PR tree-optimization/52424
2971         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2972         calling dom_thread_across_edge.
2973
2974 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2975
2976         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2977
2978 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2979
2980         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2981         * config/avr/avr.c (avr_output_bld): Remove unused function.
2982         (avr_out_sbxx_branch): Use "%T" to print bit position.
2983
2984 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2985
2986         * config/avr/avr.md: Untabify.
2987
2988 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2989
2990         * config/avr/avr.md (eqne): New code iterator.
2991         (*dec-and-branchsi): Use it in text peephole's condition.
2992         (*dec-and-branchhi): Ditto.
2993         (*dec-and-branchqi): Ditto.
2994
2995 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2996
2997         PR target/49939
2998         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2999         the device does not have the skip-bug.
3000
3001 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
3002
3003         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
3004         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
3005         -mpretend-cmove): New.
3006
3007 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
3008
3009         PR bootstrap/52397
3010         * df.h (struct df_d): Adjust comment that hard_regs_live_count
3011         doesn't count DEBUG_INSN refs.
3012         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
3013         for DEBUG_INSN refs.
3014
3015 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3016
3017         Partially revert:
3018
3019         2012-02-20  Richard Guenther  <rguenther@suse.de>
3020         PR tree-optimization/52298
3021         * tree-vect-stmts.c (vectorizable_load): Properly use
3022         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3023         outer loops.
3024
3025 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
3026
3027         PR middle-end/51752
3028         * gimple.h (gimple_in_transaction): New.
3029         (gimple_set_in_transaction): New.
3030         (struct gimple_statement_base): Add in_transaction field.
3031         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
3032         transaction loads.
3033         (tree_ssa_lim_initialize): Compute transaction bits.
3034         * tree.h (compute_transaction_bits): Protoize.
3035         * trans-mem.c (tm_region_init): Use the heap to store BB
3036         auxilliary data.
3037         (compute_transaction_bits): New.
3038
3039 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3040
3041         * gcc.c (display_help): Document --help=common and sort entries
3042         alphabetically.
3043
3044 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3045
3046         * doc/install.texi: Document check-$LANG specific shortcuts
3047
3048 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3049
3050         PR target/51534
3051         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
3052         and vcgtu.
3053         * config/arm/arm_neon.h: Regenerate.
3054         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
3055         (neon_vcgeu): New insn.
3056         (neon_vcgtu): Likewise.
3057         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
3058         (ops): Unsigned comparison intrinsics call a different
3059         builtin.
3060
3061 2012-02-28  Richard Guenther  <rguenther@suse.de>
3062
3063         PR target/52407
3064         * config/i386/i386.c (ix86_expand_vector_set): Fix element
3065         ordering for the VEC_CONCAT for two element vectors for
3066         V2SFmode, V2SImode and V2DImode.
3067
3068 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
3069
3070         PR target/49448
3071         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
3072         detecting big-endian triplets.
3073
3074 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
3075
3076         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
3077         mode if there is no type information available.
3078
3079 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
3080
3081         PR tree-optimization/53207
3082         * doc/invoke.texi: Document as experimental and relying on graphite.
3083
3084 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3085
3086         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
3087         of initializer to changes from r184614.
3088
3089 2012-02-28  Richard Guenther  <rguenther@suse.de>
3090
3091         PR tree-optimization/52395
3092         * tree-sra.c (build_ref_for_offset): Also look at the base
3093         TYPE_ALIGN when figuring out the alignment of the replacement.
3094
3095 2012-02-28  Richard Guenther  <rguenther@suse.de>
3096
3097         PR tree-optimization/52402
3098         * ipa-prop.c (ipa_modify_call_arguments): Properly use
3099         mis-aligned types when creating the accesses at the call site.
3100
3101 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3102
3103         * config/avr/builtins.def: New file.
3104         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
3105         * config/avr/avr.c (enum avr_builtin_id): Use it.
3106         (avr_init_builtins): Use it. And use avr_bdesc.
3107         (bdesc_1arg): Remove.
3108         (bdesc_2arg): Remove.
3109         (bdesc_3arg): Remove.
3110         (struct avr_builtin_description): Add field n_args.
3111         (avr_bdesc): New static variable using builtins.def.
3112         (avr_expand_builtin): Use it.
3113         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
3114         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
3115         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
3116
3117 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3118
3119         PR target/52148
3120         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
3121         match only one single hard register with respective hard reg rtx.
3122         (movmemx_<mode>): Ditto.
3123         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3124         insn anatomy of movmem[x]_<mode>.
3125         (avr_out_movmem): Same for printing assembler and operand usage.
3126
3127 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3128
3129         PR target/49868
3130         PR target/52261
3131         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3132         address spaces located outside of device flash.
3133
3134         * config/avr/avr.h (base_arch_s): Remove field n_segments.
3135         (mcu_type_s): Add field n_flash.
3136         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3137         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3138         (AVR_MCU): Add N_FLASH argument.
3139         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3140         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3141         macro __FLASH<n> if that address space makes sense for the device.
3142         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3143         outside of target flash.
3144         (avr_asm_named_section): Ditto.
3145         (avr_asm_select_section): Ditto.
3146         (avr_addr_space_convert): Ditto.
3147         (avr_emit_movmemhi): Ditto.
3148         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3149         address space is outside of device flash.
3150         (avr_insert_attributes): Ditto.
3151         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3152         avr_current_arch->n_segments.
3153
3154 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
3155
3156         PR target/52352
3157         * config/i386/i386.md (*movabs<mode>_1): Enable only for
3158         TARGET_LP64.
3159         (*movabs<mode>_2): Likewise.
3160
3161 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
3162
3163         PR target/52375
3164         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3165         s_register_operand in the test instead of REG_P.  Don't call
3166         gen_reg_rtx if it won't be used.
3167
3168         PR tree-optimization/52376
3169         * ipa-split.c (split_function): Ignore CLOBBER stmts.
3170
3171 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
3172
3173         * ifcvt.c (noce_get_condition): Check condition variable is not
3174         small_register_classes_for_mode_p before accepting.
3175
3176 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
3177
3178         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3179
3180 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3181
3182         Revert:
3183         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3184         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3185         tuning parameters.
3186         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3187
3188 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
3189
3190         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3191
3192 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
3193
3194         * config/sh/predicates.md: Remove blank lines.
3195         * config/sh/sh.c: Fix typos in comments.
3196         * config/sh/constraints.md: Likewise.
3197         * config/sh/sh.md: Remove blank lines.
3198         Fix typos in comments.  Use ;; as comment characters.
3199
3200 2012-02-26  Walter Lee  <walt@tilera.com>
3201
3202         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3203         (replace_mov_pcrel_step2): Ditto.
3204
3205 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
3206
3207         PR debug/52001
3208         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3209         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
3210         and locs that reference values newer than the non-canonical value
3211         at hand.  Return the canonical value as a worst case.
3212         (memrefs_conflict_p): Walk canonical value's locs.
3213
3214         PR debug/52001
3215         * cselib.c (preserve_only_constants): Rename to...
3216         (preserve_constants_and_equivs): ... this.  Split out...
3217         (invariant_or_equiv_p): ... this.  Preserve plus expressions
3218         of other preserved expressions too.
3219         (cselib_reset_table): Adjust.
3220         * var-tracking.c (reverse_op): Use canonical value to build
3221         reverse operation.
3222
3223 2012-02-23  Kai Tietz  <ktietz@redhat.com>
3224
3225         * config/i386/i386.c (ix86_delegitimize_address): Handle
3226         UNSPEC_PCREL plus displacement.
3227
3228 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
3229
3230         PR target/52261
3231         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3232         to test for unusedness in st X addressing.
3233
3234 2012-02-24  Richard Guenther  <rguenther@suse.de>
3235
3236         PR middle-end/52361
3237         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3238         (is_gimple_reg_type): Move inline ...
3239         * gimple.h (is_gimple_reg_type): ... here.
3240
3241 2012-02-24  Richard Guenther  <rguenther@suse.de>
3242
3243         PR middle-end/52361
3244         * passes.c (execute_function_todo): When verifying SSA form
3245         verify gimple form first.
3246         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3247
3248 2012-02-24  Richard Guenther  <rguenther@suse.de>
3249
3250         PR middle-end/52355
3251         * fold-const.c (fold_addr_of_array_ref_difference): New function.
3252         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3253
3254 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3255
3256         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3257
3258 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3259
3260         * tree-phinodes.c (make_phi_node): Mark static.
3261         * tree-flow.h (make_phi_node): Remove extern decl.
3262         * doc/gimple.texi (make_phi_node): Remove documentation.
3263
3264 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3265
3266         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3267         * tree-ssa-sccvn.c (print_scc): Ditto.
3268
3269 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3270
3271         * doc/passes.texi (Full redundancy elimination): Fix typo.
3272
3273 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3274
3275         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3276
3277 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
3278
3279         PR bootstrap/52287
3280         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3281
3282 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
3283
3284         PR c/52290
3285         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3286
3287 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
3288
3289         * config/avr/avr.md (code_stdname): Add ior, xor.
3290         (xior): New code iterator.
3291         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3292         (*<code_stdname><mode>qi.byte1-3): Ditto.
3293
3294 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
3295
3296         PR tree-optimization/52019
3297         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3298         CLOBBER stmts.
3299
3300 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3301
3302         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3303         HAVE_INITFINI_ARRAY to work around namespace pollution in
3304         certain versions of newlib system headers.
3305         * config.in: Regenerate.
3306         * configure: Regenerate.
3307         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3308         instead of HAVE_INITFINI_ARRAY.
3309
3310 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
3311
3312         PR target/52330
3313         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3314         is not offsettable memory reference.
3315
3316 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3317
3318         PR target/18145
3319         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3320         setting avr_need_clear_bss_p for __gnu_lto* symbols.
3321
3322 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3323
3324         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3325         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3326
3327 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3328
3329         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3330         library on Solaris 8 even without TLS support.
3331         * configure: Regenerate.
3332
3333 2012-02-22  Richard Guenther  <rguenther@suse.de>
3334
3335         PR middle-end/52329
3336         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3337         for GIMPLE_DEBUG stmts.
3338
3339 2012-02-22  Martin Jambor  <mjambor@suse.cz>
3340
3341         PR middle-end/51782
3342         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3343         according to the base object.
3344
3345 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3346
3347         PR rtl-optimization/50063
3348         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3349         and 2 (8-bit SP) in operand 2.
3350         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3351         setup to use movhi_sp_r instead of vanilla move to write SP.
3352         Adjust REG_CFA notes to superseed unspec.
3353         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3354         of vanilla move.
3355         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3356         known to be off) only with TARGET_NO_INTERRUPTS. Never use
3357         irq_state 1 (IRQ known to be on) here.
3358
3359 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
3360
3361         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3362         WORDS_BIG_ENDIAN.
3363         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3364         assign_hard_reg): Likewise.
3365
3366 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3367
3368         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3369
3370 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3371
3372         * config/avr/avr.md
3373         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3374         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3375
3376 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3377
3378         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3379         prototype from here to...
3380         * config/avr/avr.h: ...here.
3381
3382 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
3383
3384         PR target/52294
3385         * thumb2.md (thumb2_shiftsi3_short): Split register and
3386         immediate shifts.  For register shifts tie operands 0 and 1.
3387         (peephole2 for above): Check that register-controlled shifts
3388         have suitably tied operands.
3389
3390 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
3391
3392         PR target/52137
3393         * config/i386/bdver1.md (bdver1_call, bdver1_push,
3394         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3395         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3396         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3397         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3398         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3399         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3400         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3401         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3402         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3403         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3404         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3405         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3406         bdver1_ssevector_avx256_unaligned_load,
3407         bdver1_ssevector_sse128_unaligned_load,
3408         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3409         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3410         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3411         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3412         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3413         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3414         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3415         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3416         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3417         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3418         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3419         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3420         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3421         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3422         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3423         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3424         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3425         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3426         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3427         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3428         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3429         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3430         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3431         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3432         bdver1_ssediv_double_load, bdver1_ssediv_double,
3433         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3434         Add "bdver2" attribute.
3435
3436 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3437
3438         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3439         default if possible and not specified otherwise.
3440
3441 2012-02-21  Richard Guenther  <rguenther@suse.de>
3442
3443         PR middle-end/52314
3444         * gimplify.c (create_tmp_from_val): Use the main variant type
3445         for the type of the temporary we create.
3446
3447 2012-02-21  Richard Guenther  <rguenther@suse.de>
3448
3449         PR tree-optimization/52324
3450         * gimplify.c (gimplify_expr): When re-gimplifying expressions
3451         do not gimplify a MEM_REF address operand if it is already
3452         in suitable form.
3453
3454 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3455
3456         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3457         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3458
3459 2012-02-21  Richard Guenther  <rguenther@suse.de>
3460
3461         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3462         nested_in_vect_loop.
3463
3464 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
3465
3466         PR tree-optimization/52318
3467         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3468         vdef also to non-pure/const call stmts in the sequence.
3469
3470 2012-02-20  David S. Miller  <davem@davemloft.net>
3471
3472         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3473         don't use the "rd %pc" instruction on v9 for PIC register loads.
3474
3475 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
3476
3477         PR middle-end/52141
3478         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3479         in a transaction safe function.
3480
3481 2012-02-20  Kai Tietz  <ktietz@redhat.com>
3482
3483         PR target/52238
3484         * stor-layout.c (place_field): Handle desired_align for
3485         ms-bitfields, too.
3486
3487 2012-02-20  Richard Guenther  <rguenther@suse.de>
3488
3489         PR tree-optimization/52298
3490         * tree-vect-stmts.c (vectorizable_store): Properly use
3491         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3492         outer loops.
3493         (vectorizable_load): Likewise.
3494         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3495         Access DR_STEP after ensuring it is not NULL.
3496
3497 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
3498
3499         PR tree-optimization/52286
3500         * fold-const.c (fold_binary_loc): For (X & C1) | C2
3501         optimization use double_int_to_tree instead of build_int_cst_wide,
3502         rewrite to use double_int vars.
3503
3504 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3505
3506         PR target/50166
3507         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3508         Define _start.
3509         Remove -e 0 from $gcc_cv_ld invocation.
3510         Only use __GLIBC_PREREQ if defined.
3511         Enable on Solaris since Solaris 8 patch.
3512         (gcc_SUN_LD_VERSION): New macro.
3513         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3514         gcc_SUN_LD_VERSION for version number format.
3515         * configure: Regenerate.
3516         * varasm.c (get_elf_initfini_array_priority_section): Set
3517         SECTION_NOTYPE for non-default priority.
3518         Use get_section instead of get_unnamed_section to emit
3519         .init_array/.fini_array with default priority.
3520
3521 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3522
3523         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3524         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
3525         (mips_start_unique_function, mips_output_mips16_rdhwr)
3526         (mips_code_end): New functions.
3527         (TARGET_ASM_CODE_END): Define.
3528
3529 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3530
3531         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3532         to stubs with non-sibling calls.
3533
3534 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3535
3536         * doc/invoke.texi (-fira-* options): Copy-edit.
3537         (ira-* parameters): Copy-edit.
3538
3539 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3540
3541         * doc/invoke.texi: Minor copy-edits to bring into conformance with
3542         GCC coding conventions.
3543
3544 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3545
3546         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3547         when used as adjectives.
3548
3549 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
3550
3551         * doc/invoke.texi: Clean up "that"/"which" confusion.
3552
3553 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
3554
3555         * system.h: Poison SMALL_REGISTER_CLASSES
3556         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3557         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3558
3559 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3560
3561         PR tree-optimization/52285
3562         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3563         when deciding if a call is a tail call or tail recursion.
3564
3565 2012-02-16  Kai Tietz  <ktietz@redhat.com>
3566
3567         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3568         interger-constant displacement for UNSPEC_PCREL.
3569
3570 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3571
3572         PR rtl-optimization/52208
3573         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3574         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3575
3576         PR tree-optimization/52255
3577         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3578         loop->header has virtual PHI, but exit_e->dest doesn't, add
3579         virtual PHI to exit_e->dest and adjust all uses after the loop.
3580
3581         PR debug/52260
3582         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3583         children with clone_tree_hash, not after it.
3584
3585 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
3586
3587         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3588         extended identifiers.
3589
3590 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3591
3592         PR middle-end/51929
3593         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3594         a same_body_alias, also test whether e->callee isn't a former
3595         or current clone of the decl this is a same body alias of.
3596
3597         PR translation/52264
3598         * cgraphunit.c (verify_cgraph_node): Fix a typo.
3599
3600 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3601
3602         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3603
3604 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3605
3606         PR target/52199
3607         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3608         force_reg instead of copy_to_reg for better optimization.  Force
3609         non-register or memory operands into a register.
3610
3611 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
3612
3613         * extend.texi: Reserve upper bits of memory model for future use.
3614
3615 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
3616             Anatoly Sokolov <aesok@post.ru>
3617             Eric Weddington <eric.weddington@atmel.com>
3618
3619         PR target/52261
3620         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3621         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3622         Rewrite initializers for .macro.
3623         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3624         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3625         atxmega32d4, atxmega32x1.
3626         avrxmega4: atxmega64a3, atxmega64d3.
3627         avrxmega5: atxmega64a1, atxmega64a1u.
3628         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3629         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3630         avrxmega7: atxmega128a1, atxmega128a1u.
3631         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3632         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3633         (struct base_arch_s): Rename reserved to xmega_p.
3634         Rename reserved2 to have_rampd.
3635         (AVR_XMEGA): New define.
3636         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3637         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3638         * config/avr/predicates.md (io_address_operand): Take into
3639         account SFR offset.
3640         (low_io_address_operand): Ditto.
3641         (high_io_address_operand): Ditto.
3642         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3643         (enabled, movhi_sp_r): Use them.
3644         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3645         cpp_define_formatted to built-in define __AVR_ARCH__.
3646         (__AVR_XMEGA__): New built-in define.
3647         (__AVR_HAVE_RAMPD__): New built-in define.
3648         (__AVR_HAVE_RAMPX__): New built-in define.
3649         (__AVR_HAVE_RAMPY__): New built-in define.
3650         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3651
3652         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3653         (avr_option_override): Initialize them.
3654         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3655         (avr_init_expanders): Initialize them. No more block several calls.
3656         (emit_push_sfr): New static function.
3657         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3658         Handle AVR_XMEGA.
3659         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3660         (avr_print_operand): Print addreeses as symbols for
3661         RAMPX, RAMPY, RAMPD, CCP.
3662         (output_movhi): Handle AVR_XMEGA when writing to SP.
3663         (avr_out_movhi_mr_r_xmega): New static function.
3664         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3665         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
3666         __RAMPD__,  __CCP__ as needed.
3667
3668         * config/avr/multilib.h: Regenerate.
3669         * config/avr/t-multilib: Regenerate.
3670         * config/avr/avr-tables.opt: Regenerate.
3671
3672 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
3673
3674         PR tree-optimization/50561
3675         * graphite-flattening.c (lst_project_loop): Do not
3676         remove old scattering dimensions after flattening.
3677         (lst_do_flatten): Likewise.
3678
3679 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
3680
3681         * doc/extend.texi (AVR Built-in Functions): Remove doc for
3682         __builtin_avr_map8, __builtin_avr_map16.
3683         Document __builtin_avr_insert_bits.
3684
3685         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3686         (insert_bits): New insn.
3687         (adjust_len.map_bits): Rename to insert_bits.
3688         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3689         * avr-protos.h (avr_out_map_bits): Remove.
3690         (avr_out_insert_bits, avr_has_nibble_0xf): New.
3691         * config/avr/constraints.md (Cxf,C0f): New.
3692         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3693         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3694         New built-in define __BUILTIN_AVR_INSERT_BITS.
3695         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3696         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3697         (avr_move_bits): Rewrite.
3698         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3699         functions.
3700         (avr_map_op_t): New typedef.
3701         (avr_map_op): New static variable.
3702         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3703         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3704         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3705         (bdesc_3arg, avr_expand_triop_builtin): New.
3706         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3707         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3708         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3709         (avr_map_equal_p, avr_map_sig_p): Remove.
3710         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3711         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3712         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3713         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3714         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3715         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3716
3717 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3718
3719         * config/c6x/c6x.md (reserve_cycles): New attribute.
3720         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3721         don't reserve functional units after the branch occurs.
3722
3723 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
3724
3725         PR middle-end/52142
3726         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3727         functions into non-tm_pure functions.
3728
3729 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3730
3731         PR lto/52178
3732         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3733         (iterative_hash_canonical_type): Likewise.
3734         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3735         the dead edges.
3736
3737 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3738
3739         * haifa-sched.c (prune_ready_list): Ensure that if there is a
3740         sched-group insn, it either remains alone or the entire list is pruned.
3741
3742 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3743
3744         * doc/install.texi (Prerequisites): Fix grammar.
3745         (Configuration): Likewise.
3746
3747 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3748
3749         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3750         MPC as part of GCC before describing configuring with --with-gmp etc.
3751         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3752         sources are present.
3753
3754 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3755
3756         PR debug/51950
3757         * dwarf2out.c (clone_tree_hash): New function.
3758         (copy_decls_walk): Use it instead of clone_tree.
3759
3760 2012-02-14  Richard Guenther  <rguenther@suse.de>
3761
3762         PR tree-optimization/52244
3763         PR tree-optimization/51528
3764         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3765         replacements for integral types.
3766
3767 2012-02-14  Walter Lee  <walt@tilera.com>
3768
3769         * config.gcc: Handle tilegx and tilepro.
3770         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3771         tilegx and tilepro.
3772         Add HAVE_AS_TLS check for tilegx and tilepro.
3773         * configure: Regenerate.
3774         * doc/contrib.texi: Add Mat Hostetter and self.
3775         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3776         Document instruction intrinsics and network accessing intrinsics.
3777         (TILEPro Built-in Functions): New node.  Document instruction
3778         intrinsics and network accessing intrinsics.
3779         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3780         (Specific, tilepro-*-linux*): Likewise.
3781         * doc/invoke.texi (TILE-Gx Options): New section.
3782         (TILEPro Options): New section.
3783         * doc/md.texi (TILE-Gx): New section.
3784         (TILEPro): New section.
3785         * common/config/tilegx/tilegx-common.c: New file.
3786         * common/config/tilepro/tilepro-common.c: New file.
3787         * config/tilegx/constraints.md: New file.
3788         * config/tilegx/linux.h: New file.
3789         * config/tilegx/mul-tables.c: New file.
3790         * config/tilegx/predicates.md: New file.
3791         * config/tilegx/sync.md: New file.
3792         * config/tilegx/t-tilegx: New file.
3793         * config/tilegx/tilegx-builtins.h: New file.
3794         * config/tilegx/tilegx-c.c: New file.
3795         * config/tilegx/tilegx-generic.md: New file.
3796         * config/tilegx/tilegx-modes.def: New file.
3797         * config/tilegx/tilegx-multiply.h: New file.
3798         * config/tilegx/tilegx-protos.h: New file.
3799         * config/tilegx/tilegx.c: New file.
3800         * config/tilegx/tilegx.h: New file.
3801         * config/tilegx/tilegx.md: New file.
3802         * config/tilegx/tilegx.opt: New file.
3803         * config/tilepro/constraints.md: New file.
3804         * config/tilepro/gen-mul-tables.cc: New file.
3805         * config/tilepro/linux.h: New file.
3806         * config/tilepro/mul-tables.c: New file.
3807         * config/tilepro/predicates.md: New file.
3808         * config/tilepro/t-tilepro: New file.
3809         * config/tilepro/tilepro-builtins.h: New file.
3810         * config/tilepro/tilepro-c.c: New file.
3811         * config/tilepro/tilepro-generic.md: New file.
3812         * config/tilepro/tilepro-modes.def: New file.
3813         * config/tilepro/tilepro-multiply.h: New file.
3814         * config/tilepro/tilepro-protos.h: New file.
3815         * config/tilepro/tilepro.c: New file.
3816         * config/tilepro/tilepro.h: New file.
3817         * config/tilepro/tilepro.md: New file.
3818         * config/tilepro/tilepro.opt: New file.
3819
3820 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3821
3822         PR tree-optimization/52210
3823         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3824         vect_model_simple_cost with two entry vect_def_type array instead
3825         of an address of dt.
3826
3827 2012-02-14  Richard Guenther  <rguenther@suse.de>
3828
3829         PR lto/52178
3830         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3831         Do not stream DECL_QUALIFIER.
3832         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3833         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3834         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3835
3836 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3837
3838         PR c/52181
3839         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3840         newdecl.
3841
3842 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3843
3844         PR bootstrap/52172
3845         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3846         * cselib.c (cselib_subst_to_values_from_insn): New function.
3847         * sched-deps.c (add_insn_mem_dependence,
3848         sched_analyze_1, sched_analyze_2): Use it.
3849
3850 2012-02-13  Jan Hubicka  <jh@suse.cz>
3851
3852         PR middle-end/52214
3853         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3854
3855 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3856
3857         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3858         (GTM_SELF_SPECS): Define if not already defined.
3859         (driver_self_specs): Add GTM_SELF_SPECS.
3860         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3861         (GTM_SELF_SPECS): Define.
3862         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3863         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3864
3865 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3866
3867         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3868         away if seen.
3869
3870         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3871
3872         PR middle-end/52230
3873         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3874         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3875
3876 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3877
3878         PR c/52190
3879         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3880
3881 2012-02-13  Richard Guenther  <rguenther@suse.de>
3882
3883         PR translation/52211
3884         * passes.c (enable_disable_pass): Fix typo.
3885
3886 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3887
3888         PR middle-end/52209
3889         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3890         XOR for reduce_bit_field if type is unsigned.
3891
3892 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3893
3894         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3895         disallow changes from SFmode to mode with different size in FP regs.
3896
3897 2012-02-12  Robert Millan  <rmh@gnu.org>
3898             Gerald Pfeifer <gerald@pfeifer.com>
3899
3900         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3901         Tweak comment.
3902
3903 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3904
3905         PR rtl-optimization/52175
3906         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3907         to frame-related instructions.
3908
3909 2012-02-10  Jason Merrill  <jason@redhat.com>
3910
3911         PR c++/51910
3912         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3913         (demangle_new_symbols): Fill it.
3914         (scan_linker_output): Walk it.
3915         (start_tweaking): Split out from scan_linker_output.
3916         (maybe_tweak): Update sym->chosen.
3917         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3918
3919 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3920
3921         PR debug/52132
3922         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3923
3924 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3925
3926         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3927         having the same mode as previous compare.
3928
3929 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3930
3931         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3932         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3933         (nonlocal_goto_internal): Likewise.
3934         (nonlocal_goto): Emit a use and an indirect jump directly.
3935
3936 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3937
3938         PR c/52190
3939         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3940         __atomic_{is,always}_lock_free.
3941
3942 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3943
3944         PR target/52146
3945         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3946         negative constant address for x32.
3947
3948 2012-02-10  Richard Henderson  <rth@redhat.com>
3949
3950         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3951         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3952         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3953
3954 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3955             Ira Rosen  <irar@il.ibm.com>
3956
3957         PR tree-optimization/50031
3958         * targhooks.c (default_builtin_vectorization_cost): Handle
3959         vec_promote_demote.
3960         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3961         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3962         all types of reduction and pattern statements.
3963         (vect_estimate_min_profitable_iters): Likewise.
3964         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3965         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3966         for explicit realigns.
3967         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3968         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3969         vec_promote_demote.
3970         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3971         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3972         vec_perm for VSX and handle vec_promote_demote.
3973
3974 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3975
3976         PR middle-end/52177
3977         * builtins.c (fold_builtin_atomic_always_lock_free,
3978         expand_builtin_atomic_always_lock_free,
3979         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3980         Return and/or test boolean_true_node/boolean_false_node instead of
3981         integer_one_node/integer_zero_node.
3982
3983 2012-02-10  Jan Hubicka  <jh@suse.cz>
3984
3985         PR middle-end/48600
3986         * predict.c (predict_paths_for_bb): Prevent looping.
3987         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3988
3989 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3990
3991         * config/arm/arm.c (output_move_double): In one case properly
3992         count number of instructions that will be emitted.
3993
3994 2012-02-10  Richard Guenther  <rguenther@suse.de>
3995
3996         PR translation/52193
3997         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3998
3999 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
4000
4001         PR middle-end/52140
4002         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
4003
4004 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
4005
4006         PR debug/52165
4007         * var-tracking.c (emit_note_insn_var_location): If
4008         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
4009         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
4010         non-NOTE_DURING_CALL_P insn.
4011
4012 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
4013
4014         PR middle-end/51867
4015         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
4016
4017 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
4018
4019         PR driver/48524
4020         * gcc.c (switch_matches) Support switches with separated form,
4021         -D and -U.
4022
4023 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
4024
4025         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
4026         (SP_ADDR): Ditto.
4027         (RAMPZ_ADDR): Ditto.
4028         * config/avr/avr.c (avr_addr_t): New typedef.
4029         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
4030         (avr_init_expanders): Initialize it.
4031         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
4032         SREG_ADDR.
4033         (expand_epilogue): Ditto.
4034         (avr_print_operand): Ditto.
4035         (avr_file_start): Ditto.
4036         (avr_emit_movmemhi): Ditto.
4037
4038 2012-02-08  Richard Guenther  <rguenther@suse.de>
4039
4040         PR tree-optimization/46886
4041         * tree-flow.h (do_while_loop_p): Declare.
4042         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
4043         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
4044
4045 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
4046
4047         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
4048         always succeed for integers larger than a native word.
4049
4050 2012-02-08  Richard Guenther  <rguenther@suse.de>
4051
4052         PR rtl-optimization/52170
4053         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
4054         properly handle integer vector modes.
4055
4056 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
4057
4058         PR gcov-profile/52150
4059         * coverage.c: Include target.h.
4060         (build_var): Call targetm.strip_name_encoding on the assembler name.
4061         Change one _ into . or $ if the target allows it.
4062         * Makefile.in (coverage.o): Depend on $(TARGET_H).
4063
4064         PR rtl-optimization/52139
4065         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
4066         is a BARRIER after emit_insn_after_noloc, move BB_END
4067         to the last non-BARRIER insn before it.
4068
4069 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
4070
4071         PR middle-end/24306
4072         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
4073         (mips_gimplify_va_arg_expr): Call it instead of
4074         std_gimplify_va_arg_expr.
4075
4076 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
4077
4078         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
4079         message for -mno-pointers-to-nested-function.
4080
4081 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
4082
4083         PR middle-end/51994
4084         * expr.c (get_inner_reference): If there is an offset, add a negative
4085         bit position to it (if any).
4086
4087 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
4088
4089         PR rtl-optimization/52060
4090         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
4091         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
4092         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
4093         and/or i0src_copy2 when needed.
4094
4095 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
4096
4097         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
4098         or LTOPLUGINSONAME if have_c.
4099
4100         * config/freebsd-spec.h: Add comment about what macros can be defined
4101         in this header.
4102         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
4103         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
4104         here instead.
4105
4106 2012-02-07  Richard Guenther  <rguenther@suse.de>
4107
4108         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
4109         newline in -alias dumps.
4110
4111 2012-02-07  Kai Tietz  <ktietz@redhat.com>
4112             Dave Korn  <dave.korn.cygwin@gmail.com>
4113
4114         PR target/40068
4115         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4116         Take care that typinfo gets dllexport-attribute.
4117
4118 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
4119
4120         PR middle-end/52074
4121         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
4122         if modifier < EXPAND_SUM call force_operand on the result.
4123
4124 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
4125
4126         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4127         adding __forwarder_dst__ prefix if a forwarder_section attribute is
4128         present.
4129         (epiphany_function_type): Replace types for specific interrupts with
4130         EPIPHANY_FUNCTION_INTERRUPT.
4131         (EPIPHANY_INTERRUPT_P): Update.
4132         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4133         New static function.
4134         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4135         <disinterrupt>: Affects type identity.
4136         (epiphany_handle_interrupt_attribute): Handle variable number of
4137         arguments.
4138         (epiphany_compute_function_type): Update for new
4139         epiphany_function_type definition.
4140         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4141         handlers with a longcall forwarder.
4142         (epiphany_start_function): Handle multiple interrupt arguments and/or
4143         forwarder_section attribute.
4144
4145         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4146         libgloss.
4147
4148 2012-02-07  Alan Modra  <amodra@gmail.com>
4149
4150         PR target/52107
4151         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4152         subregs of TFmode.
4153
4154 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4155
4156         PR tree-optimization/50969
4157         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4158         use vec_perm rather than vector_stmt.
4159         (vect_model_load_cost): Likewise.
4160         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4161         vec_perm to be the same as other vector statements.
4162         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4163         cost of vec_perm for TARGET_VSX.
4164
4165 2012-02-06  Richard Guenther  <rguenther@suse.de>
4166
4167         PR tree-optimization/52115
4168         * tree-sra.c (access_has_replacements_p): New function.
4169         (sra_modify_assign): Use it to decide whether a use is uninitialized.
4170
4171 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
4172
4173         PR middle-end/52047
4174         * trans-mem.c (expand_call_tm): Add an assertion.
4175         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4176         functions.
4177
4178 2012-02-06  Richard Guenther  <rguenther@suse.de>
4179
4180         PR tree-optimization/50955
4181         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4182         raise cost of expressions that replace an address with an
4183         expression based on a different pointer.
4184
4185 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
4186
4187         PR target/52129
4188         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4189         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4190
4191 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
4192
4193         PR c++/48680
4194         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4195         -Weffc++ and specify guidelines come from second edition.
4196
4197 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
4198
4199         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4200         (sibcall_value_multiple_internal, call_split, call_internal_direct)
4201         (call_direct_split, call_value_split, call_value_internal_direct)
4202         (call_value_direct_split, call_value_multiple_split): Use jal and
4203         jal_macro attributes.
4204
4205 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
4206
4207         * reload1.c (reload_regs_reach_end_p): Replace with...
4208         (reload_reg_rtx_reaches_end_p): ...this function.
4209         (new_spill_reg_store): Update commentary.
4210         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4211         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4212         before setting new_spill_reg_store.
4213         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4214         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4215         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4216         for non-spill reload registers.
4217
4218 2012-02-05  Ira Rosen  <irar@il.ibm.com>
4219
4220         PR tree-optimization/52091
4221         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4222         (vect_is_simple_use_1): Likewise.
4223         * tree-vect-loop.c (vectorizable_reduction): Update calls
4224         to vect_is_simple_use_1 and vect_is_simple_use.
4225         (vectorizable_live_operation): Likewise.
4226         * tree-vect-patterns.c (widened_name_p,
4227         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4228         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4229         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4230         vectorizable_shift,vectorizable_operation, vectorizable_store,
4231         vectorizable_load): Likewise.
4232         (vect_is_simple_cond): Add an argument, pass it to
4233         vect_is_simple_use_1.
4234         (vectorizable_condition): Update calls to vect_is_simple_cond,
4235         vect_is_simple_use.
4236         (vect_is_simple_use): Add an argument, the statement in which
4237         OPERAND is used.  Check that if OPERAND's def stmt is a double
4238         reduction phi node, the use is a phi node too.
4239         (vect_is_simple_use_1): Add an argument, pass it to
4240         vect_is_simple_use.
4241         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4242         to vect_is_simple_use.
4243
4244 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
4245
4246         PR rtl-optimization/52095
4247         * modulo-sched.c (dump_insn_locator): New function.
4248         (loop_canon_p, sms_schedule): Use it.
4249
4250         PR rtl-optimization/52113
4251         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4252         even for decomposable shift/zext insns.
4253
4254 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
4255             Zdenek Dvorak  <ook@ucw.cz>
4256
4257         PR rtl-optimization/52092
4258         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4259         on get_iv_value result.
4260
4261 2012-02-02  Andrew Pinski  <apinski@cavium.com>
4262
4263         PR middle-end/47982
4264         PR middle-end/43967
4265         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4266
4267 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4268
4269         PR middle-end/48071
4270         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4271
4272 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
4273
4274         PR rtl-optimization/49800
4275         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4276         (sched_finish): Call regstat_free_n_sets_and_refs.
4277
4278 2012-02-02  Jia Liu  <proljc@gmail.com>
4279
4280         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4281         than operand 2.
4282
4283 2012-02-02  Jan Hubicka  <jh@suse.cz>
4284             Tom de Vries  <tom@codesourcery.com>
4285
4286         PR middle-end/51998
4287         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4288         * varpool.c (varpool_analyze_pending_decls): Likewise.
4289
4290 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4291             Jayant R Sonar <jayant.sonar@kpitcummins.com>
4292
4293         * config.gcc: Add cr16-* support.
4294
4295         * doc/extend.texi: Document cr16 extensions.
4296         * doc/install.texi: Document cr16 install.
4297         * doc/invoke.texi: Document cr16 options.
4298         * doc/md.texi: Document cr16 constraints.
4299
4300         * common/config/cr16/cr16-common.c: New file.
4301         * config/cr16/cr16.c: New file.
4302         * config/cr16/cr16.h: New file.
4303         * config/cr16/cr16.md: New file.
4304         * config/cr16/cr16.opt: New file.
4305         * config/cr16/cr16-protos.h: New file.
4306         * config/cr16/predicates.md: New file.
4307         * config/cr16/constraints.md: New file.
4308         * config/cr16/t-cr16: New file.
4309
4310 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4311
4312         PR target/52086
4313         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4314         that operands[2] is either immediate, or q_regs_operand.
4315
4316         PR tree-optimization/52073
4317         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4318         a pattern stmt for pattern uses, ignore uses outside of the loop.
4319
4320 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4321
4322         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4323         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4324         (OUT_AS1, OUT_AS2): Remove.
4325
4326 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4327
4328         PR rtl-optimization/51374
4329         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4330         to cross other volatile_refs_p insns.
4331
4332 2012-02-01  Richard Guenther  <rguenther@suse.de>
4333
4334         * doc/invoke.texi (fno-inline): Clarify documentation.
4335         (finline-small-functions): Likewise.
4336         (finline-functions): Likewise.
4337         * common.opt (finline): Adjust comment and documentation.
4338         (finline-small-functions): Clarify documentation.
4339         (finline-functions): Likewise.
4340         (finline-functions-called-once): Likewise.
4341
4342 2012-02-01  Tristan Gingold  <gingold@adacore.com>
4343
4344         * c-typeck.c (composite_type): Keep mode for pointers.
4345
4346 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
4347
4348         * function.h (regno_reg_rtx): Adjust comment.
4349         * reginfo.c (init_reg_modes_target): Only use the previous mode
4350         if it fits within one register.  Remove MIPS comment.
4351
4352 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4353
4354         PR bootstrap/52058
4355         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4356
4357 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4358
4359         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4360         to srak instruction.
4361
4362 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4363
4364         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4365
4366 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4367
4368         PR bootstrap/52041
4369         PR bootstrap/52039
4370         PR target/51974
4371         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4372
4373 2012-01-31  Richard Guenther  <rguenther@suse.de>
4374
4375         PR tree-optimization/51528
4376         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4377         assigns.
4378
4379 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4380
4381         PR bootstrap/52041
4382         PR bootstrap/52039
4383         PR target/51974
4384         * ree.c (add_removable_extension): Change def_map argument
4385         to unsigned *, store in def_map 1 + offset into *insn_list vector
4386         instead of pointers into the vector.
4387         (find_removable_extensions): Adjust caller.
4388
4389 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4390
4391         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4392         Transform all "* quoted-c-code" to { c-code }.
4393         Remove redundant test for "optimize" in combine patterns.
4394         Move (include "avr-dimode.md") to end of file.
4395
4396 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
4397
4398         PR target/51835
4399         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4400         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4401
4402 2012-01-30  Richard Guenther  <rguenther@suse.de>
4403
4404         PR tree-optimization/52028
4405         * tree-loop-distribution.c (ldist_gen): Properly update
4406         virtual SSA form.
4407
4408 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
4409
4410         PR debug/52027
4411         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4412         set_cur_line_info_table if not emitting debug info.
4413
4414         PR tree-optimization/52046
4415         * tree-vect-patterns.c (check_bool_pattern): Give up if
4416         a comparison could throw.
4417
4418         PR debug/52048
4419         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4420
4421 2012-01-30  Richard Guenther  <rguenther@suse.de>
4422
4423         PR tree-optimization/52045
4424         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4425         SSA form if cfgcleanup did anything.
4426
4427 2012-01-30  Richard Guenther  <rguenther@suse.de>
4428
4429         PR tree-optimization/52045
4430         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4431         before computing final todo.
4432
4433 2012-01-30  Richard Guenther  <rguenther@suse.de>
4434
4435         PR tree-optimization/51528
4436         * tree-sra.c (sra_modify_assign): Re-factor in preparation
4437         for PR51528 fix.
4438
4439 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
4440
4441         * df-problems.c (df_kill_notes): Check that the use refers
4442         to the note under examination.
4443
4444 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
4445
4446         PR target/51920
4447         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4448         parameter and use short-lived pseudos.
4449         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4450         (sparc_expand_vector_init): Const-ify local variables and adjust
4451         calls to above functions.
4452
4453 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4454
4455         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4456
4457 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
4458
4459         * doc/invoke.texi: Make usage of "compile time" and
4460         "run time"/"runtime" consistent throughout the file.
4461
4462 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
4463
4464         * config/alpha/alpha.c (alpha_option_override): Default to
4465         full IEEE compliance mode for Go language.
4466
4467 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
4468
4469         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4470         (LINK_SSP_SPEC): Define.
4471
4472 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4473
4474         PR target/51871
4475         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4476         stubs.
4477
4478 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
4479
4480         * doc/invoke.texi: Correct hyphenation of "floating point",
4481         "double precision", and related terminology throughout the file.
4482
4483 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
4484
4485         PR target/52006
4486         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4487         arm_general_register_operand predicate for operand 2 instead of
4488         register_operand.
4489
4490 2012-01-27  Ian Lance Taylor  <iant@google.com>
4491
4492         PR go/47656
4493         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4494         * builtins.c (expand_builtin_init_trampoline): Add onstack
4495         parameter.  Change caller.
4496         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4497         * tree.c (build_common_builtin_nodes): Declare
4498         __builtin_init_heap_trampoline.
4499
4500 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
4501
4502         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4503         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4504         * config/avr/avr.c: Ditto.
4505         (avr_regnames): Remove because unused.
4506         * config/avr/avr.md (*cpse.ne): New peephole.
4507         (*cpse.eq): New peephole from former cpse peepholes.
4508
4509 2012-01-27  Michael Eager  <eager@eagercon.com>
4510
4511         * config/microblaze.c (microblaze_emit_compare): Correct
4512         test after pcmp instruction.
4513
4514 2012-01-27  Richard Guenther  <rguenther@suse.de>
4515
4516         PR tree-optimization/52020
4517         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4518
4519 2012-01-27  Richard Guenther  <rguenther@suse.de>
4520
4521         * ipa-pure-const.c (check_stmt): Clobbers do not make a
4522         function non-const/pure.
4523
4524 2012-01-27  Richard Guenther  <rguenther@suse.de>
4525
4526         PR tree-optimization/50444
4527         * tree-sra.c (build_ref_for_offset): Properly adjust the
4528         MEM_REF type for unaligned accesses.
4529
4530 2012-01-27  Richard Guenther  <rguenther@suse.de>
4531
4532         PR tree-optimization/50444
4533         * expr.c (mem_ref_refers_to_non_mem_p): New function.
4534         (expand_assignment): Use it.  Properly handle misaligned
4535         bases when expanding stores to component references.
4536         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4537         refactor that case.
4538
4539 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
4540
4541         PR middle-end/51389
4542         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4543         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4544         * tree-data-ref.c (find_data_references_in_loop): Make static.
4545         (compute_all_dependences): Change return type to bool.  Bail out
4546         for too many datarefs in a loop.  Move the hunk resetting the data
4547         dependences vector from ...
4548         (compute_data_dependences_for_loop): ... here.  Account for
4549         compute_all_dependences returning false.
4550         (compute_data_dependences_for_bb): Likewise.
4551         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4552         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4553
4554 2012-01-27  Richard Guenther  <rguenther@suse.de>
4555
4556         PR middle-end/51959
4557         * expr.c (store_field): Use the alias-set of the scratch memory
4558         for storing to it.
4559
4560 2012-01-27  Tom de Vries  <tom@codesourcery.com>
4561
4562         PR tree-optimization/51990
4563         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4564         WITH_SIZE_EXPR.
4565         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4566
4567 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
4568
4569         PR debug/52001
4570         * var-tracking.c (reverse_op): Don't add any reverse operation
4571         if V already has any constant locations.
4572
4573 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4574
4575         * doc/invoke.texi: Correct usage of "command line" (noun)
4576         vs "command-line" (adjective) throughout.
4577
4578 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4579
4580         * doc/invoke.texi (Language Independent Options): Move
4581         -Wcoverage-mismatch blurb from here....
4582         (Warning Options): ...to here.
4583
4584 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
4585
4586         * config/rs6000/rs6000.c (rs6000_option_override_internal):
4587         Set rs6000_always_hint to false for 476.
4588
4589 2012-01-27  Matthias Klose  <doko@ubuntu.com>
4590
4591         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4592           system root.
4593         * incpath.c (add_standard_paths): Likewise.
4594
4595 2012-01-27  Richard Henderson  <rth@redhat.com>
4596
4597         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4598         * config/m68k/sync.md (atomic_test_and_set): Rename from
4599         sync_test_and_setqi and adjust the operands.
4600         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4601         and unconditionally enable.
4602
4603 2012-01-27  Richard Henderson  <rth@redhat.com>
4604
4605         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4606         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
4607         (ldstub): Rename from ldstubqi.
4608         (ldstub<I24MODE>): Remove.
4609
4610 2012-01-27  Richard Henderson  <rth@redhat.com>
4611
4612         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4613         * c-cppbuiltin.c (cpp_atomic_builtins): Define
4614         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4615         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4616         * doc/tm.texi: Rebuild.
4617
4618 2012-01-27  Richard Henderson  <rth@redhat.com>
4619
4620         * optabs.c (gen_atomic_test_and_set): Remove default.
4621         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4622
4623 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4624
4625         PR rtl-optimization/51978
4626         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4627         (combine_reaching_defs): Likewise.
4628         (struct re_info): Remove.
4629         (add_removable_extension): Remove x and data arguments,
4630         add insn, insn_list and def_map.  Use the arguments directly
4631         instead of using struct re_info.
4632         (find_removable_extensions): Don't call add_removable_extension
4633         through note_stores, instead just call it with single_set
4634         result if non-NULL.
4635         (find_and_remove_re): Pass curr_cand->expr instead of
4636         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4637
4638 2012-01-26  Michael Matz  <matz@suse.de>
4639
4640         PR tree-optimization/46590
4641         * cfgexpand.c: Revert last change (r183305).
4642         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4643         regs.
4644         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4645         checking for emptiness.
4646
4647 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4648
4649         PR middle-end/51895
4650         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4651         non-addressable non-BLKmode base correctly.
4652
4653 2012-01-26  Michael Matz  <matz@suse.de>
4654
4655         PR tree-optimization/48794
4656         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4657         regions referenced from RESX/EH_DISPATCH.
4658
4659 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4660
4661         * config/s390/s390.h: Make BRANCH_COST an option.
4662         * config/s390/s390.opt: New option -mbranch-cost.
4663
4664 2012-01-26  Richard Henderson  <rth@redhat.com>
4665
4666         Revert 2012-01-24 change:
4667         * trans-mem.c (requires_barrier): Do not instrument thread local
4668         variables and emit save/restore for them.
4669
4670 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4671
4672         PR middle-end/51986
4673         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4674         for pat == 0.
4675
4676 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
4677
4678         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4679         ASM_OPERANDS.
4680
4681 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
4682
4683         PR target/49868
4684         Rename __pgm to __flash.
4685         Rename __pgm1 to __flash1.
4686         Rename __pgm2 to __flash2.
4687         Rename __pgm3 to __flash3.
4688         Rename __pgm4 to __flash4.
4689         Rename __pgm5 to __flash5.
4690         Rename __pgmx to __memx.
4691         * doc/extend.texi (AVR Named Address Spaces)
4692         Rename address space names as indicated above.
4693         * config/avr/avr.c (avr_addrspace): Ditto.
4694
4695         * config/avr/avr-protos.h
4696         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4697         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4698         * config/avr/predicates.md: Ditto.
4699         * config/avr/avr.c Ditto, and
4700         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4701         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4702
4703         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4704         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4705         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4706         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4707         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4708         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4709         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4710         * config/avr/avr.c: Ditto.
4711         * config/avr/avr.md: Ditto.
4712
4713 2012-01-25  Jason Merrill  <jason@redhat.com>
4714
4715         PR c++/51992
4716         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4717
4718 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4719
4720         PR tree-optimization/51987
4721         * tree-data-ref.c (get_references_in_stmt): Handle references in
4722         non-volatile GIMPLE_ASM.
4723
4724 2012-01-25  Richard Guenther  <rguenther@suse.de>
4725
4726         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4727         bases are dereferenced.
4728
4729 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4730
4731         PR rtl-optimization/48374
4732         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4733
4734 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4735
4736         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4737         compute_data_dependences_for_loop returns false.
4738         * tree-parloops.c (loop_parallel_p): Likewise.
4739
4740 2012-01-25  Richard Guenther  <rguenther@suse.de>
4741
4742         * tree.h (get_pointer_alignment_1): Declare.
4743         * builtins.c (get_pointer_alignment_1): New function.
4744         (get_pointer_alignment): Use it.
4745
4746 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4747
4748         PR rtl-optimization/48308
4749         * combine.c (enum undo_kind): Add UNDO_LINKS.
4750         (struct undo): Add member l to other_contents and where.
4751         (do_SUBST_LINK): New.
4752         (SUBST_LINK): New.
4753         (try_combine): Handle LOG_LINKS for the dummy i1 case.
4754         (undo_all): Handle UNDO_LINKS.
4755
4756 2012-01-25  Richard Henderson  <rth@redhat.com>
4757
4758         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4759         mem inputs.
4760
4761 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4762
4763         * optabs.c (gen_atomic_test_and_set): Use each argument.
4764
4765 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4766
4767         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4768         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4769         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4770         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4771         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4772         TARGET_PAIRED_SINGLE_FLOAT.
4773
4774 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4775
4776         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4777         (in_struct, return_val): Remove MEM documentation.
4778         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4779         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4780         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4781         and MEM_SCALAR.
4782         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4783         * cfgexpand.c (add_alias_set_conflicts): Likewise.
4784         * expr.c (store_field): Likewise.
4785         * function.c (assign_stack_temp_for_type): Likewise.
4786         * ifcvt.c (noce_try_cmove_arith): Likewise.
4787         * reload1.c (reload): Likewise.
4788         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4789         (alpha_set_memflags): Likewise.
4790         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4791
4792 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4793
4794         * rtl.h (true_dependence, canon_true_dependence): Remove varies
4795         parameter.
4796         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4797         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4798         (true_dependence_1, true_dependence, canon_true_dependence): Remove
4799         varies parameter.
4800         * cselib.c (cselib_rtx_varies_p): Delete.
4801         (cselib_invalidate_mem): Update call to canon_true_dependence.
4802         * dse.c (record_store, check_mem_read_rtx): Likewise.
4803         (scan_reads_nospill): Likewise.
4804         * cse.c (check_dependence): Likewise.
4805         (cse_rtx_varies_p): Delete.
4806         * expr.c (safe_from_p): Update call to true_dependence.
4807         * ira.c (validate_equiv_mem_from_store): Likewise.
4808         (memref_referenced_p): Likewise.
4809         * postreload-gcse.c (find_mem_conflicts): Likewise.
4810         * sched-deps.c (sched_analyze_2): Likewise.
4811         * store-motion.c (load_kills_store): Likewise.
4812         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4813         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4814         (compute_transp): Update call to canon_true_dependence.
4815
4816 2012-01-25  Richard Henderson  <rth@redhat.com>
4817
4818         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4819         (maybe_emit_atomic_test_and_set): New.
4820         (expand_sync_lock_test_and_set): Use it.
4821         (expand_atomic_test_and_set): Likewise.
4822         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4823         the implementation; clarify implementation defined details.
4824         * doc/md.texi (atomic_test_and_set): Document.
4825
4826 2012-01-25  Richard Henderson  <rth@redhat.com>
4827
4828         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4829
4830 2012-01-25  Richard Henderson  <rth@redhat.com>
4831
4832         PR target/51968
4833         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4834         to effect no-op split.
4835
4836 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4837
4838         PR lto/51698
4839         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4840         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4841         (BT_FN_VOID_PTR_INT_SIZE): New.
4842         (BT_FN_UINT_UINT_VAR): Remove.
4843         (BT_FN_UINT32_UINT32_VAR): New.
4844         (BT_FN_DOUBLE_VPTR): Remove.
4845         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4846
4847         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4848         (_ITM_changeTransactionMode): Same.
4849         (_ITM_memmoveRtWt): Change return type to void.
4850         (_ITM_memcpyRtWt): Same.
4851         (_ITM_memsetW): Same.
4852         (_ITM_RaRD): Change types to double.
4853         (_ITM_RD): Same.
4854         (_ITM_RaWD): Same.
4855         (_ITM_RfWD): Same.
4856
4857         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4858
4859 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4860             Patrick Marlier  <patrick.marlier@gmail.com>
4861
4862         * trans-mem.c (requires_barrier): Do not instrument thread local
4863         variables and emit save/restore for them.
4864
4865 2012-01-24  Jason Merrill  <jason@redhat.com>
4866
4867         PR c++/51812
4868         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4869         output static aliases.
4870
4871 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4872
4873         PR driver/47249
4874         * common.opt (-pie, -shared, pie, shared): Change from Common to
4875         Driver.
4876         * gcc.c (display_help): Display help for -pie and -shared.
4877
4878 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
4879
4880         PR target/49868
4881         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4882         Remove note on size/offset limitation.
4883         (AVR Variable Attributes): Add example how to read data located
4884         with progmem.  Refer to named address spaces.
4885         * doc/invoke.texi (AVR Options): Fix typo.
4886
4887 2012-01-24  Richard Guenther  <rguenther@suse.de>
4888
4889         Forward-port to trunk
4890         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
4891
4892         PR middle-end/45678
4893         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4894         op0 isn't sufficiently aligned and there is movmisalignM
4895         insn for mode, use it to load op0 into a temporary register.
4896
4897 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4898
4899         PR target/51957
4900         * target.def (const_not_ok_for_debug_p): New hook.
4901         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4902         documentation.
4903         * doc/tm.texi: Regenerated.
4904         * dwarf2out.c (const_ok_for_output_1): If
4905         targetm.const_not_ok_for_debug_p returns true, fail.
4906         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4907         function.
4908         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4909
4910 2012-01-23  Kai Tietz  <ktietz@redhat.com>
4911
4912         PR target/51900
4913         * config/i386/predicates.md (symbolic_operand): Allow
4914         UNSPEC_PCREL as PIC expression for lea.
4915         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4916         * config/i386/i386.c (ix86_delegitimize_address): Handle
4917         UNSPEC_PCREL for none-MEM, too.
4918
4919 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4920
4921         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4922         (ipa_tm_create_version_alias): Same.
4923
4924 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
4925
4926         PR libitm/51830
4927         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4928         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4929
4930 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4931             Patrick Marlier  <patrick.marlier@gmail.com>
4932             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
4933
4934         PR lto/51916
4935         * lto-wrapper.c (run_gcc): Pass the LTO section name to
4936         simple_object_start_read.
4937
4938 2012-01-23  Richard Guenther  <rguenther@suse.de>
4939
4940
4941         PR tree-optimization/51895
4942         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4943         parameter decomposition into BLKmode components.
4944
4945 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
4946
4947         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4948         fake variables for restrict-qualified pointers whose pointed-to type
4949         contains a placeholder.
4950
4951 2012-01-23  Richard Guenther  <rguenther@suse.de>
4952
4953         PR tree-optimization/51949
4954         * ipa-split.c (execute_split_functions): Do not split malloc functions.
4955
4956 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
4957
4958         PR rtl-optimization/51933
4959         * ree.c (transform_ifelse): Return true right away if dstreg is
4960         already wider or equal to cand->mode.
4961         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4962         (make_defs_and_copies_lists): Remove defs_list and copies_list
4963         arguments, add state argument, just truncate state->work_list
4964         instead of always allocating and freeing the vector.  Assert that
4965         get_defs succeeds instead of returning 2.  Changed return type to bool.
4966         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
4967         have ext_src_mode, see if it has been modified already with the
4968         right kind of extension and has been extended before from the
4969         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
4970         just return true.  Remember the original mode in state->modified array.
4971         (combine_reaching_defs): Add state argument.  Don't allocate and
4972         free here def_list, copied_list and vec vectors, instead just
4973         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
4974         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4975         Add state variable, clear vectors in it, initialize state.modified
4976         if needed.  Free all the vectors at the end and state.modified too.
4977         Don't skip a candidate if the extension expression has been modified.
4978
4979 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
4980
4981         PR target/47096
4982         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4983          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4984         (extra_options) interix.opt -> i386/interix.opt"
4985         (extra_objs):Add winnt-stubs.o
4986         * configure.ac: Add interix to target_os .comm on PE check.
4987         * configure: Regenerate.
4988         * config/interix3.h: Delete and move bits to..
4989         * config/interix.h: Delete and move bits to..
4990         * config/i386/i386-interix3.h: Delete and move bits to..
4991         * config/i386/i386-interix.h: ..here.
4992         (TARGET_CPU_DEFAULT): Remove redefinition.
4993         (TARGET_ASM_CONSTRUCTOR): Undefine.
4994         (SUBTARGET_SWITCHES): Define for ms-bitfields.
4995         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4996         (PTRDIFF_TYPE): Define.
4997         (LONG_DOUBLE_TYPE_SIZE): Define.
4998         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4999         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5000         (TARGET_SECTION_TYPE_FLAGS): Define.
5001         (ASM_DECLARE_FUNCTION_NAME): Define.
5002         (ASM_OUTPUT_EXTERNAL): Define.
5003         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
5004         (ASM_OUTPUT_ALIGNED_BSS): Define.
5005         (PCC_BITFIELD_TYPE_MATTERS): Define.
5006         (USE_CONST_SECTION): Define.
5007         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
5008         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
5009         (SUPPORTS_ONE_ONLY): Remove.
5010         (I386_PE_STRIP_ENCODING): Define.
5011         * config/interix.opt: Delete and move bits to..
5012         * config/i386/interix.opt: ..here. New.
5013         (mpe-aligned-commons): Add.
5014         * config/i386/t-interix: Add copyright header.
5015         (winnt-stubs.o): Add rule.
5016
5017 2012-01-22  Jason Merrill  <jason@redhat.com>
5018
5019         PR c++/51832
5020         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
5021         for extra name aliases.
5022
5023 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
5024
5025         PR rtl-optimization/51924
5026         * ree.c (combine_set_extension): Improve debugging message.
5027         (combine_reaching_defs): Likewise.
5028         (get_defs): Rename confusingly named variable.
5029         (find_and_remove_re): Skip a candidate if the extension expression has
5030         been modified.
5031
5032 2012-01-21  Robert Millan  <rmh@gnu.org>
5033             Gerald Pfeifer  <gerald@pfeifer.com>
5034
5035         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
5036         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
5037
5038 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
5039
5040         PR tree-optimization/51914
5041         * tree-vect-stmts.c (vectorizable_conversion): For
5042         cvt_type && modifier == WIDEN, put temporary with cvt_type
5043         at the beginning of vec_dsts and set vec_dest to temporary
5044         with vectype_out.
5045
5046 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
5047
5048         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
5049
5050 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
5051
5052         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
5053         * config/rs6000/rs6000.c: Likewise.
5054
5055 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
5056
5057         PR target/51915
5058         * config/arm/arm.c (arm_count_output_move_double_insns): Call
5059         output_move_double on a copy of operands array.
5060
5061 2012-01-20  Cary Coutant  <ccoutant@google.com>
5062             Dodji Seketeli  <dodji@redhat.com>
5063
5064         PR debug/45682
5065         * dwarf2out.c (copy_declaration_context): Return ref to parent
5066         of declaration DIE, if necessary.
5067         (remove_child_or_replace_with_skeleton): Add new parameter; update
5068         caller.  Place skeleton DIE under parent DIE of original declaration.
5069         Move call to copy_declaration_context to here ...
5070         (break_out_comdat_types): ... from here.
5071
5072 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5073
5074         PR rtl-optimization/51856
5075         * reload.c (find_reloads_subreg_address): Set the address_reloaded
5076         flag to reloaded.
5077
5078 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
5079
5080         PR target/51819
5081         * config/arm/arm.c (arm_print_operand): Correct output of alignment
5082         hints for neon loads and stores.
5083
5084 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
5085
5086         PR target/49868
5087         PR target/50887
5088         * doc/extend.texi (Named Address Spaces): Split into subsections.
5089         (AVR Named Address Spaces): New subsection.
5090         (M32C Named Address Spaces): New subsection.
5091         (RL78 Named Address Spaces): New subsection.
5092         (SPU Named Address Spaces): New subsection.
5093         (Variable Attributes): New anchor "AVR Variable Attributes".
5094         (AVR Variable Attributes): Rewrite and avoid wording
5095         "address space" in this context.
5096         * doc/invoke.texi (AVR Options): Rewrite and add documentation
5097         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
5098         (AVR Built-in Macros): New subsubsection therein.
5099         * doc/md.texi (AVR constraints): Remove "C04", "R".
5100
5101 2012-01-20  Richard Guenther  <rguenther@suse.de>
5102
5103         PR tree-optimization/51903
5104         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
5105         when removing stmts.
5106
5107 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
5108
5109         PR target/50313
5110         * config/arm/arm.c (arm_load_pic_register): Use
5111         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
5112         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
5113         (arm_pic_static_addr): Likewise.
5114         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
5115         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
5116         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
5117         (pic_load_addr_unified): New.
5118
5119 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
5120
5121         PR target/51106
5122         * function.c (instantiate_virtual_regs_in_insn): Use
5123         delete_insn_and_edges when removing a wrong asm insn.
5124
5125 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
5126
5127         PR rtl-optimization/40761
5128         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
5129         Add new member loop_num.
5130         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
5131         (ira_build): Remove the parameter.
5132
5133         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
5134         (ira.c): Do not build CFG loops for one region allocation.  Remove
5135         argument from ira_build call.
5136
5137         * ira-build.c (init_loop_tree_node): New function.
5138         (create_loop_tree_nodes): Use it.  Separate the case when CFG
5139         loops are not built.
5140         (more_one_region_p): Check current_loops.
5141         (finish_loop_tree_nodes): Separate the case when CFG loops are not
5142         built.
5143         (add_loop_to_tree): Process loop equal to NULL too.
5144         (form_loop_tree): Separate the case when CFG loops are not built.
5145         Use explicitly number for the root.
5146         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
5147         an assertion.
5148         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
5149         instead of loop->num.
5150         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
5151         (mark_all_loops_for_removal): Ditto.
5152         (remove_unnecessary_regions): Separate the case when CFG loops
5153         are not built.
5154         (ira_build): Remove the parameter.  Use explicit number of regions
5155         when CFG loops are not built.
5156
5157         * ira-color.c (print_loop_title): Separate the case for the root node.
5158         Use loop_num instead of loop->num.
5159         (move_spill_restore): Use loop_num instead of loop->num.
5160
5161         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
5162         (change_loop): Ditto.
5163         (change_loop): Use loop_num instead of loop->num.
5164
5165         * ira-lives.c (process_bb_node_lives): Ditto.
5166
5167         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
5168
5169         * ira-conflicts.c (print_allocno_conflicts): Ditto.
5170
5171 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
5172
5173         PR libmudflap/40778
5174         * tree-mudflap.c (mf_artificial): New function.
5175         (execute_mudflap_function_ops, execute_mudflap_function_decls,
5176         mx_register_decls, mudflap_enqueue_decl): Use it.
5177
5178         PR target/51876
5179         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5180         numbers in the insn pattern.
5181
5182 2012-01-19  Michael Matz  <matz@suse.de>
5183
5184         PR tree-optimization/46590
5185         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5186         use it in remembering which conflicts we already created.
5187         (add_scope_conflicts): Adjust call to above, (de)allocate helper
5188         bitmap.
5189
5190 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
5191
5192         PR lto/51280
5193         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5194         (merge_and_complain): Same.
5195
5196 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
5197
5198         PR bootstrap/50237
5199         * config/initfini-array.h: Guard content of the header
5200         with #ifdef HAVE_INITFINI_ARRAY.
5201         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5202         Add initfini-array.h to tm_file here.
5203         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5204         * config.gcc: Don't add initfini-array.h to tm_file here.
5205         * configure: Regenerated.
5206
5207 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
5208
5209         PR rtl-optimization/51505
5210         * df-problems.c (df_kill_notes): New parameter live. Update comment.
5211         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5212         (df_note_bb_compute): Update the call to df_kill_notes.
5213
5214 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
5215
5216         * trans-mem.c (requires_barrier): Remove call to is_global_var.
5217
5218 2012-01-18  Richard Guenther  <rguenther@suse.de>
5219
5220         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5221         of conversions to void *.
5222
5223 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5224             Richard Sandiford  <rdsandiford@googlemail.com>
5225
5226         PR middle-end/50325
5227         PR middle-end/51192
5228         * optabs.h (simplify_expand_binop): Declare.
5229         * optabs.c (simplify_expand_binop): Make global.
5230         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5231         endian targets if the source cannot be exactly covered by word
5232         mode chunks.
5233
5234 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
5235
5236         PR bootstrap/51872
5237         * hard-reg-set.h (struct hard_reg_set_container): New type.
5238         * target.h (struct hard_reg_set_container): Forward declare.
5239         * target.def (set_up_by_prologue): New target hook.
5240         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5241         * doc/tm.texi: Regenerated.
5242         * function.c (thread_prologue_and_epilogue_insns): Change
5243         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5244         Call targetm.set_up_by_prologue on it.
5245         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5246         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5247
5248 2012-01-17  Nick Clifton  <nickc@redhat.com>
5249
5250         * config/rx/rx.c (rx_can_use_simple_return): New function.
5251         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5252         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5253
5254 2012-01-17  Richard Guenther  <rguenther@suse.de>
5255
5256         PR middle-end/51782
5257         * expr.c (expand_assignment): Take address-space information
5258         from the address operand of MEM_REF and TARGET_MEM_REF.
5259         (expand_expr_real_1): Likewise.
5260
5261 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5262
5263         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5264         reload dump is requested.
5265
5266 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
5267
5268         PR other/51165
5269         * trans-mem.c (requires_barrier): Call may_be_aliased.
5270
5271 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
5272
5273         PR tree-optimization/51877
5274         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5275         call arguments and fndecls compare equal, instead return false if they
5276         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
5277         both SSA_NAMEs that are valueized the same, or they satisfy
5278         operand_equal_p.
5279
5280 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5281
5282         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5283         Solaris 11+.
5284         * configure: Regenerate.
5285
5286 2012-01-16  Jan Hubicka  <jh@suse.cz>
5287
5288         PR c/12245
5289         PR c++/14179
5290         * convert.c (convert_to_integer): Use fold_convert for
5291         converting an INTEGER_CST to integer type.
5292
5293 2012-01-16  Jason Merrill  <jason@redhat.com>
5294
5295         PR c++/14179
5296         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5297
5298 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
5299
5300         PR bootstrap/51860
5301         * config/s390/s390.c (s390_chunkify_start): Don't skip
5302         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
5303         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5304         If insn is followed by NOTE_INSN_VAR_LOCATION or
5305         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5306         Don't use location of note insns.
5307
5308         PR tree-optimization/51865
5309         * tree-inline.c (tree_function_versioning): Call remap_decl
5310         on DECL_RESULT whenever it has VOID_TYPE_P type.
5311
5312 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
5313
5314         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5315         for calls to locally-binding MIPS16 functions if only the return
5316         type uses float regs.
5317
5318 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
5319             Richard Sandiford  <rdsandiford@googlemail.com>
5320
5321         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5322         (SYMBOL_32_HIGH): Likewise.
5323         (mips_output_tls_reloc_directive): Declare.
5324         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5325         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5326         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5327         (mips_lo_relocs, mips_hi_relocs): Make extern.
5328         (mips16_stub_function): Move up file.
5329         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5330         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
5331         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
5332         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5333         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
5334         (mips_get_tp): Add MIPS16 support.
5335         (mips_legitimize_tls_address): Remove MIPS16 sorry().
5336         Generalize DTPREL and TPREL handling.
5337         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5338         Add MIPS16 TLS support.
5339         (mips_output_tls_reloc_directive): New function.
5340         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5341         * config/mips/predicates.md (symbolic_operand_with_high)
5342         (tls_reloc_operand): New predicates.
5343         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5344         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5345         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5346         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
5347         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5348         (*tls_get_tp_mips16_call_<mode>): Likewise.
5349
5350 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
5351
5352         PR rtl-optimization/51821
5353         * recog.c (peep2_find_free_register): Determine clobbered registers
5354         from insn pattern.
5355
5356 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
5357
5358         PR target/50925
5359         * config/avr/avr-protos.h: Revert change of 2012-01-09.
5360         * config/avr/avr.c: Likewise.
5361         * config/avr/avr.h: Likewise.
5362
5363 2012-01-13  Ian Lance Taylor  <iant@google.com>
5364
5365         PR c++/50012
5366         * tree.h (TYPE_QUALS): Add cast to int.
5367         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5368
5369 2012-01-13  Ian Lance Taylor  <iant@google.com>
5370
5371         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5372         comparing param_index to VEC_length result.
5373
5374 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
5375
5376         * c-decl.c: Do not include tree-mudflap.h
5377         * tree-optimize.c: Likewise.
5378         * Makefile.in: Update dependencies.
5379
5380 2012-01-13  Richard Guenther  <rguenther@suse.de>
5381
5382         PR middle-end/8081
5383         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5384         variable-sized result always use RSO.
5385
5386 2012-01-12  DJ Delorie  <dj@redhat.com>
5387
5388         * cfgexpand.c (convert_debug_memory_address): Allow any valid
5389         pointer type, not just the default pointer type.
5390
5391 2012-01-09  Richard Henderson  <rth@redhat.com>
5392             Denis Chertykov  <chertykov@gmail.com>
5393
5394         PR target/50925
5395         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5396         * config/avr/avr.c (avr_can_eliminate): Simplify.
5397         (avr_initial_elimination_offset): Likewise.
5398         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5399         (expand_epilogue): Likewise.
5400         (avr_legitimize_address): Gut.
5401         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5402         (avr_hard_regno_nregs): New.
5403         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5404         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5405         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5406         add soft frame pointer.
5407         (CALL_USED_REGISTERS): Likewise.
5408         (REG_CLASS_CONTENTS): Likewise.
5409         (REGISTER_NAMES): Likewise.
5410         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5411         (HARD_FRAME_POINTER_REGNUM): New.
5412         (FRAME_POINTER_REGNUM): Use soft frame pointer.
5413         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5414         remove the HARD_FRAME_POINTER self-elimination.
5415
5416 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
5417
5418         PR target/51756
5419         * config/avr/avr.c (avr_encode_section_info): Test for absence of
5420         DECL_EXTERNAL when checking for initializers of progmem variables.
5421
5422 2012-01-12  Ira Rosen  <irar@il.ibm.com>
5423
5424         PR tree-optimization/51799
5425         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5426         that the last operation is a type demotion.
5427
5428 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
5429
5430         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5431         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5432
5433 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
5434
5435         PR bootstrap/51796
5436         * combine.c (distribute_notes): If i3 is a noreturn call,
5437         allow old_size to be equal to args_size and make sure the
5438         noreturn call gets REG_ARGS_SIZE note.
5439         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5440         on noreturn calls even when the delta is 0.
5441
5442 2012-01-11  Nathan Sidwell  <nathan@acm.org>
5443
5444         * gcov.c (STRING_SIZE): Remove.
5445         (generate_results): Erase annotations for source files with no
5446         coverage information.
5447         (read_line): New.
5448         (output_lines): Use it.
5449
5450 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5451
5452         * gimple.h (gimplify_body): Remove first argument.
5453         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
5454         pointer set here, instead just pass DATA to walk_tree.
5455         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
5456         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5457         (unvisit_body): Likewise, but with unmark_visited.
5458         (gimplify_body): Remove BODY_P argument and adjust.
5459         (gimplify_function_tree): Adjust call to gimplify_body.
5460         * omp-low.c (finalize_task_copyfn): Likewise.
5461
5462 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5463
5464         * tree.h (build_function_decl_skip_args): Add boolean parameter.
5465         (build_function_type_skip_args): Delete.
5466         * tree.c (build_function_type_skip_args): Make static and add
5467         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
5468         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5469         pass it to build_function_type_skip_args.
5470         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5471         (tree_function_versioning): Likewise.
5472         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5473         build_function_decl_skip_args.
5474         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5475         and pass it to build_function_decl_skip_args/tree_function_versioning.
5476         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5477         * ipa-inline-transform.c (save_inline_function_body): Likewise.
5478         * trans-mem.c (ipa_tm_create_version): Likewise.
5479         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5480         * tree-inline.c (declare_return_variable): Remove always-true test.
5481         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
5482         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5483         * ipa-split.c (split_function): Skip the return value for the split
5484         part if it doesn't return.
5485
5486 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5487
5488         PR tree-optimization/49642
5489         * ipa-split.c (forbidden_dominators): New variable.
5490         (check_forbidden_calls): New function.
5491         (dominated_by_forbidden): Likewise.
5492         (consider_split): Check for forbidden dominators.
5493         (execute_split_functions): Initialize and free forbidden
5494         dominators info; call check_forbidden_calls.
5495
5496 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5497
5498         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5499
5500 2012-01-11  Nick Clifton  <nickc@redhat.com>
5501
5502         * config/rx/rx.md (return): Define pattern.
5503
5504 2012-01-11  Richard Guenther  <rguenther@suse.de>
5505
5506         * doc/extend.texi (malloc attribute): Adjust according to
5507         implementation.
5508
5509 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
5510             Patrick Marlier  <patrick.marlier@gmail.com>
5511
5512         PR middle-end/51516
5513         * trans-mem.c (get_cg_data): Traverse aliases if requested.
5514         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5515         (ipa_tm_note_irrevocable): Same.
5516         (ipa_tm_scan_irr_block): Same.
5517         (ipa_tm_decrement_clone_counts): Same.
5518         (ipa_tm_scan_irr_function): Same.
5519         (ipa_tm_create_version_alias): Same.
5520         (ipa_tm_create_version): Same.
5521         (ipa_tm_transform_calls_redirect): Same.
5522         (ipa_tm_transform_calls): Same.
5523         (ipa_tm_transform_transaction): Same.
5524         (ipa_tm_execute): Same.
5525
5526 2012-01-10  Richard Guenther  <rguenther@suse.de>
5527
5528         PR middle-end/51806
5529         * opts.c (common_handle_option): Handle -Werror.
5530
5531 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
5532
5533         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5534         operand number.
5535
5536 2012-01-10  Jason Merrill  <jason@redhat.com>
5537
5538         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5539         information.
5540
5541 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5542
5543         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5544         supports R_386_TLS_GD_PLT reloc.
5545         (gcc_cv_as_ix86_tlsldmplt): Check if linker
5546         supports R_386_TLS_LDM_PLT reloc.
5547         * configure: Regenerate.
5548         * config.in: Regenerate.
5549
5550 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
5551
5552         PR target/49868
5553         Extend __pgmx semantics to linearize memory.
5554         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5555         determine if code comes inline or from libgcc.
5556         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5557         (movmem_qi, movmem_qi): Set constraint #2 to "n".
5558         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5559         (movmemx_qi, movmemx_hi): New insns.
5560         (xload_<mode>_libgcc): Rewrite to new insn condition.
5561         (xload_<mode>): Remove insns.
5562         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5563         cases that don't satisfy avr_xload_libgcc_p().
5564         (avr_addr_space_convert): Allow converting in any direction.
5565         (avr_addr_space_subset_p): Return always true.
5566         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5567         (avr_emit_movmemhi): Ditto.
5568         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
5569         (avr_out_movmem): Ditto.
5570         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
5571         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
5572         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
5573         (avr_encode_section_info): Encode 'progmem' in symbol flags.
5574         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
5575
5576 2012-01-10  Richard Guenther  <rguenther@suse.de>
5577
5578         PR tree-optimization/50913
5579         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
5580         Require data-refs to be representable by Graphite with respect
5581         to any loop nest.
5582
5583 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
5584
5585         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
5586         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
5587
5588 2012-01-10  Tom de Vries  <tom@codesourcery.com>
5589
5590         PR rtl-optimization/51271
5591         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
5592         handling annulled branch.
5593
5594 2012-01-10  Richard Henderson  <rth@redhat.com>
5595
5596         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
5597         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
5598         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
5599         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
5600         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
5601         arm_expand_vec_perm_const): New.
5602         * config/arm/arm-protos.h: Update.
5603         * config/arm/neon.md (UNSPEC_VCONCAT): New.
5604         (*neon_vswp<VDQX>): New.
5605         (neon_vcombine<VDX>): Use neon_split_vcombine.
5606         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
5607         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
5608         (vec_perm<VE>): New.
5609
5610 2012-01-10  Richard Henderson  <rth@redhat.com>
5611
5612         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
5613         use it if reload_completed.
5614         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
5615         arm_output_asm_insn, arm_process_output_memory_barrier,
5616         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
5617         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
5618         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
5619         arm_process_output_sync_insn, arm_output_sync_insn,
5620         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
5621         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
5622         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
5623         (emit_unlikely_jump): New.
5624         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
5625         (arm_split_atomic_op): New.
5626         * config/arm/arm-protos.h: Update.
5627         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
5628         (struct arm_sync_generator): Remove.
5629         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5630         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5631         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5632         (VUNSPEC_LL, VUNSPEC_SC): New.
5633         (sync_result, sync_memory, sync_required_value, sync_new_value,
5634         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5635         (attr length): Don't use arm_sync_loop_insns.
5636         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5637         (movsfcc, movdfcc): Likewise.
5638         * config/arm/constraints.md (Ua): New.
5639         * config/arm/prediates.md (mem_noofs_operand): New.
5640         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5641         (sync_clobber, sync_t2_reqd): Remove.
5642         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5643         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5644         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5645         (arm_sync_compare_and_swap<SIDI>): Remove.
5646         (arm_sync_compare_and_swap<NARROW>): Remove.
5647         (arm_sync_lock_test_and_set<SIDI>): Remove.
5648         (arm_sync_lock_test_and_set<NARROW>): Remove.
5649         (arm_sync_new_<syncop><SIDI>): Remove.
5650         (arm_sync_new_<syncop><NARROW>): Remove.
5651         (arm_sync_new_nand<SIDI>): Remove.
5652         (arm_sync_new_nand<NARROW>): Remove.
5653         (arm_sync_old_<syncop><SIDI>): Remove.
5654         (arm_sync_old_<syncop><NARROW>): Remove.
5655         (arm_sync_old_nand<SIDI>): Remove.
5656         (arm_sync_old_nand<NARROW>): Remove.
5657         (*memory_barrier): Merge arm_output_memory_barrier.
5658         (atomic_compare_and_swap<QHSD>): New.
5659         (atomic_compare_and_swap<NARROW>_1): New.
5660         (atomic_compare_and_swap<SIDI>_1): New.
5661         (atomic_exchange<QHSD>): New.
5662         (cas_cmp_operand, cas_cmp_str): New.
5663         (atomic_op_operand, atomic_op_str): New.
5664         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5665         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5666         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5667         (arm_load_exclusive<NARROW>): New.
5668         (arm_load_exclusivesi, arm_load_exclusivedi): New.
5669         (arm_store_exclusive<QHSD>): New.
5670
5671 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
5672
5673         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5674         reload patterns if -mvsx-scalar-memory.
5675
5676         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5677         generated, even -mno-vsx-scalar-double was used.
5678         (vsx_xscvdpsp_scalar): Likewise.
5679         (vsx_xscvspdp_scalar2): Likewise.
5680
5681 2012-01-09  Tom de Vries  <tom@codesourcery.com>
5682             Andrew Pinski  <apinski@cavium.com>
5683
5684         PR debug/51471
5685         * reorg.c (fill_slots_from_thread): Don't speculate
5686         frame-related insns.
5687
5688 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
5689
5690         * sched-int.h (bb_note): Move to...
5691         * basic-block.h: ...here.
5692         * haifa-sched.c (bb_note): Move to...
5693         * cfgrtl.c: ...here.
5694         * function.c (next_block_for_reg): New function.
5695         (move_insn_for_shrink_wrap): Likewise.
5696         (prepare_shrink_wrap): Rewrite to use the above.
5697
5698 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
5699
5700         * gimple.c (is_gimple_non_addressable): Remove.
5701         * gimple.h: Remove is_gimple_non_addressable.
5702         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5703         is_gimple_non_addressable.
5704         * trans-mem.c (expand_assign_tm): Same.
5705
5706 2012-01-09  Richard Guenther  <rguenther@suse.de>
5707
5708         PR tree-optimization/51775
5709         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5710         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5711
5712 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5713
5714         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5715         tuning parameters.
5716         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5717
5718 2012-01-09  Richard Guenther  <rguenther@suse.de>
5719
5720         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5721
5722 2012-01-08  Jan Hubicka  <jh@suse.cz>
5723
5724         PR tree-optimize/51680
5725         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5726         on when known_vals needs to be computed; cleanup.
5727
5728 2012-01-08  Jan Hubicka  <jh@suse.cz>
5729
5730         PR tree-optimize/51694
5731         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5732
5733 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
5734
5735         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5736         for -std=c++98 and -std=c++11 too.
5737
5738 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
5739
5740         * cfgloop.c (cancel_loop): Add free() of bbs array.
5741
5742 2012-01-07  Jan Hubicka  <jh@suse.cz>
5743
5744         PR tree-optimization/51600
5745         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5746         that benefits small functions.
5747
5748 2012-01-07  Jan Hubicka  <jh@suse.cz>
5749
5750         * ipa-inline.c (want_inline_small_function_p): Fix formating.
5751
5752 2012-01-07  Jan Hubicka  <jh@suse.cz>
5753
5754         PR tree-optimization/51680
5755         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5756         whose inlining reduce unit size.
5757
5758 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
5759
5760         PR bootstrap/51725
5761         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5762         Add canonical node to containing_mem chain after the non-canonical
5763         one, even if there weren't any locs to propagate.
5764         (remove_useless_values): Keep only canonical values.
5765         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5766         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
5767         canonicalize mem_chain elements that are not discarded.
5768
5769 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
5770
5771         PR target/47333
5772         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5773         before emitting functions.
5774
5775         PR gcov-profile/50127
5776         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5777         clear_aux_for_blocks.
5778
5779 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
5780
5781         PR debug/51746
5782         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5783
5784 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
5785
5786         * c-decl.c (ext_block): Moved up.
5787         (collect_all_refs, for_each_global_decl): Take ext_block into account.
5788
5789 2012-01-06  Han Shen  <shenhan@google.com>
5790
5791         Translate built-in include paths for sysroot.
5792         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5793         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5794
5795         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5796         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5797
5798         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5799         control whether sysroot should be prepended to gxx include dir.
5800
5801         * configure: Regenerate.
5802
5803 2012-01-06  Torvald Riegel  <triegel@redhat.com>
5804
5805         PR rtl-optimization/51771
5806         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5807         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5808
5809 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5810
5811         PR tree-optimization/51315
5812         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5813         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5814
5815 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
5816
5817         PR target/51681
5818         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5819         for shrp pattern.  Correctly handle and fixup shift variable.
5820         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5821
5822 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5823
5824         PR debug/51762
5825         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5826         note when !ACCUMULATE_OUTGOING_ARGS.
5827
5828 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5829
5830         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5831         condition.
5832         (extract_range_from_unary_expr_1): Avoid useless computations.
5833
5834 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5835
5836         PR rtl-optimization/51767
5837         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5838         of jump_block and add an extra edge for degenerated asm gotos.
5839
5840         PR middle-end/51768
5841         * stmt.c (check_unique_operand_names): Don't ICE during error
5842         reporting if i is from labels chain.
5843
5844         PR middle-end/44777
5845         * profile.c (branch_prob): Split bbs that have exit edge
5846         and need a fake entry edge too.
5847
5848 2012-01-05  Jan Hubicka  <jh@suse.cz>
5849
5850         PR middle-end/49710
5851         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5852         unlooping loops.
5853
5854 2012-01-05  Richard Guenther  <rguenther@suse.de>
5855
5856         PR lto/50490
5857         * tree-streamer-out.c (write_ts_optimization): New function.
5858         (streamer_write_tree_body): Call it.
5859         * tree-streamer-in.c (lto_input_ts_optimization): New function.
5860         (streamer_read_tree_body): Call it.
5861         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5862
5863 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5864
5865         PR middle-end/51761
5866         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5867         * gimplify.c (gimplify_cleanup_point_expr): Save and set
5868         in_cleanup_point_expr before gimplify_stmt call and restore it
5869         afterwards.
5870         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5871         in_cleanup_point_expr is false.
5872
5873 2012-01-05  Richard Guenther  <rguenther@suse.de>
5874
5875         PR middle-end/51764
5876         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5877         to c.opt.
5878         * toplev.c (process_options): Reject combining mudflap and LTO.
5879         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5880
5881 2012-01-05  Richard Guenther  <rguenther@suse.de>
5882
5883         PR tree-optimization/51760
5884         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5885         not VARYING.
5886         (bit_value_unop): Handle UNDEFINED operands.
5887         (bit_value_binop): Likewise.
5888
5889 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
5890
5891         * config/avr/avr.c (avr_replace_prefix): Remove.
5892         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5893         (avr_asm_function_rodata_section): Ditto.
5894         (avr_asm_select_section): Ditto.
5895
5896 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
5897
5898         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5899         insertion.
5900
5901 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5902
5903         PR bootstrap/51648
5904         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5905         calls that have any non-fake successor edges.
5906
5907         PR debug/51746
5908         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5909
5910 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5911
5912         PR tree-optimization/51624
5913         * tree-sra.c (build_ref_for_model): When replicating a chain of
5914         COMPONENT_REFs, stop as soon as the offset would become negative.
5915
5916 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
5917
5918         PR debug/51695
5919         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5920         in .debug_loc on the floor.
5921
5922 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5923
5924         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5925
5926 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5927             Adam Nemet  <anemet@caviumnetworks.com>
5928
5929         * config/mips/mips.md (size): Add SI and DI.
5930         (SIZE): New mode attribute.
5931         (U): New code attribute.
5932         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5933         (mips_lbux_<mode>): Delete.
5934         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5935         (mips_lhx): Use gen_mips_lhx_extsi.
5936         (mips_lhx_<mode>): Delete.
5937         (mips_lwx): Delete.
5938         (mips_l<size>x): New expand.
5939         (mips_lwx_<mode>): Delete.
5940         (mips_l<GPR:size>x_<P:mode>): New pattern.
5941         (*mips_lw<u>x_<P:mode>_ext): Likewise.
5942         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5943         * config/mips/mips.c (mips_lx_address_p): New function.
5944         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5945         (dsp64): New availability predicate.
5946         (mips_builtins): Add an entry for __builtin_mips_ldx.
5947         * config/mips/mips.h (ISA_HAS_LBX): New define.
5948         (ISA_HAS_LBUX): Likewise.
5949         (ISA_HAS_LHX): Likewise.
5950         (ISA_HAS_LHUX): Likewise.
5951         (ISA_HAS_LWX): Likewise.
5952         (ISA_HAS_LWUX): Likewise.
5953         (ISA_HAS_LDX): Likewise.
5954         * doc/extend.texi (__builtin_mips_ldx): Document.
5955
5956 2012-01-04  Tristan Gingold  <gingold@adacore.com>
5957
5958         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5959         when long pointers are used.
5960         * config.build (*-*-*vms*): Handle all OpenVMS targets.
5961         (alpha64-dec-*vms*, alpha*-dec-*vms*)
5962         (ia64-hp-*vms*): Remove.
5963         * config/vms/xm-vms64.h: Delete.
5964
5965 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5966
5967         PR middle-end/51472
5968         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5969
5970 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5971
5972         * opts.c (finish_options): Remove duplicate sorry.
5973
5974 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5975
5976         PR middle-end/51696
5977         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5978         correctly.
5979
5980 2012-01-04  Richard Guenther  <rguenther@suse.de>
5981
5982         PR middle-end/51750
5983         * tree.c (size_low_cst): New function.
5984         * tree.h (size_low_cst): Declare.
5985         * fold-const.c (fold_comparison): Use it to extract the low
5986         part of the POINTER_PLUS_EXPR offset.
5987
5988 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
5989
5990         Fix clearing ZERO_REG
5991         * config/avr/avr.md (cc): Add alternative "ldi".
5992         (movqi_insn): Use it in cc attribute.
5993         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5994         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5995         (output_reload_insisf): Use ZERO_REG to pre-clear register.
5996
5997 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5998
5999         * configure: Regenerate.
6000
6001 2012-01-04  Richard Guenther  <rguenther@suse.de>
6002
6003         PR tree-optimization/49651
6004         * tree-ssa-structalias.c (type_can_have_subvars): New function.
6005         (var_can_have_subvars): Use it.
6006         (get_constraint_for_1): Only consider subfields if there can be any.
6007
6008 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
6009
6010         PR bootstrap/51725
6011         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
6012         to its new canonical_cselib_val and the cselib_val was in
6013         first_containing_mem chain, but the canonical_cselib_val was not,
6014         add the latter into the chain.
6015         (cselib_invalidate_mem): Compare canonical_cselib_val of
6016         addr_list chain elt with v.
6017
6018         PR pch/51722
6019         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
6020         dwarf2out_undef): Allocate e.info using ggc_strdup instead
6021         of xstrdup.
6022         (output_macinfo_op): Don't ggc_strdup fd->filename.
6023         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
6024         then ggc_strdup it.  Don't free inc->info or cur->info.
6025         (output_macinfo): Don't free ref->info or file->info.
6026
6027 2012-01-03  Ira Rosen  <irar@il.ibm.com>
6028
6029         PR tree-optimization/51269
6030         * tree-vect-loop-manip.c (set_prologue_iterations): Make
6031         first_niters a pointer.
6032         (slpeel_tree_peel_loop_to_edge): Likewise.
6033         (vect_do_peeling_for_loop_bound): Update call to
6034         slpeel_tree_peel_loop_to_edge.
6035         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
6036         here.  Remove it from the parameters list.
6037         (vect_do_peeling_for_alignment): Update calls and compute
6038         wide_prolog_niters.
6039
6040 2012-01-03  Richard Guenther  <rguenther@suse.de>
6041
6042         PR tree-optimization/51070
6043         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
6044         Properly handle calls.
6045
6046 2012-01-03  Richard Guenther  <rguenther@suse.de>
6047
6048         PR tree-optimization/51692
6049         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
6050         the LHS of allocation stmts.
6051
6052 2012-01-03  Olivier Hainque  <hainque@adacore.com>
6053
6054         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
6055
6056 2012-01-03  Olivier Hainque  <hainque@adacore.com>
6057
6058         * collect2.c (main): In AIX specific computations for vector
6059         insertions, use CONST_CAST2 to cast from char ** to const char **.
6060
6061 2012-01-03  Richard Guenther  <rguenther@suse.de>
6062
6063         PR debug/51650
6064         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
6065         the context of a limbo DIE when it does not already exist.
6066
6067 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
6068
6069         PR tree-optimization/51719
6070         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
6071         but direct call is, clear direct call's lhs and don't add fallthrough
6072         edge from dcall_bb to join_bb and PHIs.
6073
6074 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6075
6076         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
6077         the instructions emitted by the pattern.
6078         ("*TDC_insn_<mode>"): Add comment.
6079
6080 2012-01-03  Richard Guenther  <rguenther@suse.de>
6081
6082         PR middle-end/51730
6083         * fold-const.c (fold_comparison): Properly canonicalize
6084         tree offset and HOST_WIDE_INT bit position.
6085
6086 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
6087
6088         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
6089         operands for extzv pattern.
6090
6091 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
6092
6093         PR bootstrap/51725
6094         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
6095         on mem_elt first.
6096
6097 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
6098
6099         * doc/invoke.texi (-flto and related options): Copy-edit.
6100
6101 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
6102
6103         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
6104
6105 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
6106
6107         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
6108         New patterns.
6109
6110 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
6111
6112         * expr.h (move_by_pieces_ninsns): Declare.
6113         * expr.c (move_by_pieces_ninsns): Make external.
6114         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
6115         (mips_store_by_pieces_p): Likewise.
6116         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
6117         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
6118         * config/mips/mips.c (mips_move_by_pieces_p): New function.
6119         (mips_store_by_pieces_p): Likewise.
6120
6121 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
6122
6123         * passes.c (register_one_dump_file): Free full_name.
6124
6125         * reload1.c (reload): Don't allocate reg_max_ref_width here.
6126         (calculate_elim_costs_all_insns): Free offsets_at and
6127         offsets_known_at at the end and clear the pointers.
6128
6129 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6130
6131         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
6132         this option introduced in r180739.
6133
6134 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6135
6136         PR target/51345
6137         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
6138         (tmake_file target=avr): Add avr/t-multilib.
6139
6140         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
6141         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
6142         * config/avr/genmultilib.awk: New file.
6143         * config/avr/t-multilib: New auto-generated file.
6144         * config/avr/multilib.h: New auto-generated file.
6145         * config/avr/t-avr (AVR_MCUS): New variable.
6146         (genopt.sh): Use it.
6147         (s-mlib): Depend on t-multilib.
6148         (t-multilib, multilib.h): New dependencies.
6149         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
6150         (MULTILIB_OPTIONS): Remove.
6151         (MULTILIB_MATCHES): Remove.
6152         (MULTILIB_DIRNAMES): Remove.
6153         (MULTILIB_EXCEPTIONS): Remove:
6154         * config/avr/genopt.sh: Don't use hard coded file name;
6155         pass AVR_MCUS from t-avr instead.
6156
6157 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6158
6159         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
6160
6161 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
6162
6163         Implement light-weight DImode support.
6164         * config/avr/avr-dimode.md: New file.
6165         * config/avr/avr.md: Include it.
6166         (adjust_len): Add plus64, compare64.
6167         (HIDI): Remove code iterator.
6168         (code_stdname): New code attribute.
6169         (rotx, rotsmode): Remove DI.
6170         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6171         as code iterator.
6172         * config/avr/avr-protos.h (avr_have_dimode): New.
6173         (avr_out_plus64, avr_out_compare64): New.
6174         * config/avr/avr.c (avr_out_compare): Handle DImode.
6175         (avr_have_dimode): New variable definition and initialization.
6176         (avr_out_compare64, avr_out_plus64): New functions.
6177         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6178         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6179         (avr_compare_pattern): Skip DImode comparisons.
6180
6181 2012-01-02  Revital Eres  <revital.eres@linaro.org>
6182
6183         * ddg.c (def_has_ccmode_p): New function.
6184         (add_cross_iteration_register_deps,
6185         create_ddg_dep_from_intra_loop_link): Call it.
6186
6187 2012-01-02  Richard Guenther  <rguenther@suse.de>
6188
6189         PR other/51679
6190         * invoke.texi (fassociative-math): Remove spurious paranthesis.
6191
6192 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
6193
6194         * gcc.c (process_command): Update copyright notice dates.
6195         * gcov.c (print_version): Likewise.
6196         * gcov-dump.c (print_version): Likewise.
6197         * mips-tfile.c (main): Likewise.
6198         * mips-tdump.c (main): Likewise.
6199
6200 2012-01-01  Ira Rosen  <irar@il.ibm.com>
6201
6202         PR tree-optimization/51704
6203         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6204         a use is inside the basic block or loop before accessing its vect info.
6205
6206 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
6207
6208         PR rtl-optimization/51069
6209         * cfgloopmanip.c (remove_path): Removing path making irreducible
6210         region unconditional makes BB part of the region.
6211
6212 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
6213
6214         PR tree-optimization/51683
6215         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6216         calls with side-effects.
6217         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6218 \f
6219 Copyright (C) 2012 Free Software Foundation, Inc.
6220
6221 Copying and distribution of this file, with or without modification,
6222 are permitted in any medium without royalty provided the copyright
6223 notice and this notice are preserved.