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1 2012-10-24  Uros Bizjak  <ubizjak@gmail.com>
2
3         Backport from mainline
4         2012-10-22  Uros Bizjak  <ubizjak@gmail.com>
5
6         * config/i386/i386.c (memory_address_length): Assert that non-null
7         base or index RTXes are registers.  Do not check for REG RTXes.
8         Determine addr32 prefix using SImode_address_operand or
9         from original base and index RTXes.  Simplify code.
10
11         2012-10-21  Uros Bizjak  <ubizjak@gmail.com>
12
13         * config/i386/i386-protos.h (memory_address_length): Add new bool
14         argument.  Update all uses.
15         * config/i386/i386.c (memory_address_length): If not LEA insn, then
16         add length of addr32 prefix based on mode of base or index register.
17         (ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
18         addresses here.  Update call to memory_address_length.
19         (ix86_print_address_operand): Use SImode_address_operand predicate.
20         * config/i386/predicates.md (SImode_address_operand): New.
21         * config/i386/i386.md (lea<mode>): Use SImode_address_operand
22         to calculate "mode" attribute.  Use SImode_address_operand predicate
23         instead of open-coding accepted RTX codes.
24
25 2012-10-22  Georg-Johann Lay  <avr@gjlay.de>
26
27         Backport from 2012-10-22 trunk r192685.
28         * doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
29         Note __AVR_<device>__ is not defined for cores.
30         Don't point to --help=target.
31         Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi.
32
33 2012-10-19  Marek Polacek  <polacek@redhat.com>
34
35         Backported from mainline
36         2012-10-19  Marek Polacek  <polacek@redhat.com>
37
38         PR middle-end/54945
39         * fold-const.c (fold_sign_changed_comparison):  Punt if folding
40         pointer/non-pointer comparison.
41
42 2012-10-19  Zhenqiang Chen <zhenqiang.chen@linaro.org>
43
44         Backported from mainline
45         2012-10-19  Zhenqiang Chen <zhenqiang.chen@linaro.org>
46
47         PR target/54892
48         * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
49         sure the mode is correct when falling through from above cases.
50
51 2012-10-19  Alan Modra  <amodra@gmail.com>
52
53         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
54         (HAVE_LD_LARGE_TOC): Likewise.
55         * configure: Regenerate.
56
57 2012-10-19  Alan Modra  <amodra@gmail.com>
58
59         * config/rs6000/predicates.md (splat_input_operand): Don't call
60         input_operand for MEMs.  Instead check for volatile and call
61         memory_address_addr_space_p with modified mode.
62
63 2012-10-17  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>
64
65         Backported from mainline
66         2012-07-23  Ulrich Weigand  <ulrich.weigand@linaro.org>
67
68         * config/arm/arm.c (arm_reorg): Ensure all insns are split.
69
70 2012-10-16  Eric Botcazou  <ebotcazou@adacore.com>
71
72         PR rtl-optimization/54870
73         * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
74         * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
75         SSA_NAME pointer that points to a partition if there is at least
76         one variable with it set in the partition.
77         * dse.c (local_variable_can_escape): New predicate.
78         (can_escape): Call it.
79         * gimplify.c (mark_addressable): If this is a partitioned decl, also
80         mark the SSA_NAME pointer that points to a partition.
81
82 2012-10-16  Andrey Belevantsev  <abel@ispras.ru>
83
84         Backport from mainline
85         2012-08-09  Andrey Belevantsev  <abel@ispras.ru>
86
87         PR rtl-optimization/53701
88         * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
89         rocess not only expr's vinsns but all old vinsns from expr's
90         istory of changes.
91
92 2012-10-16  Andrey Belevantsev  <abel@ispras.ru>
93
94         Backport from mainline
95         2012-07-31  Andrey Belevantsev  <abel@ispras.ru>
96         PR target/53975
97
98         * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
99         Revert
100         2011-08-04  Sergey Grechanik  <mouseentity@ispras.ru>
101         * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
102         only if producer writes to the register given by regno.
103
104 2012-09-15  Uros Bizjak  <ubizjak@gmail.com>
105
106         Backport from mainline
107         2012-10-15  Uros Bizjak  <ubizjak@gmail.com>
108
109         * config/i386/sse.md (UNSPEC_MOVU): Remove.
110         (UNSPEC_LOADU): New.
111         (UNSPEC_STOREU): Ditto.
112         (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
113         (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
114         (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
115         (<sse2>_movdqu<avxsizesuffix>): Split to ...
116         (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
117         (<sse2>_storedqu<avxsizesuffix>): ... this.
118         (*sse4_2_pcmpestr_unaligned): Update.
119         (*sse4_2_pcmpistr_unaligned): Ditto.
120
121         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
122         gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
123         gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
124         (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
125         gen_sse2_load{dqu,upd} to load from unaligned memory and
126         gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
127         unaligned memory.
128         (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
129         Use CODE_FOR_sse_loadups.
130         <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
131         <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
132         <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
133         <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
134         <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
135         <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
136         <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
137         <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
138         <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
139         <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
140         <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.
141
142 2012-10-15  Steven Bosscher  <steven@gcc.gnu.org>
143
144         Backport from trunk (r190222):
145
146         PR tree-optimization/54146
147         * ifcvt.c: Include pointer-set.h.
148         (cond_move_process_if_block): Change type of then_regs and
149         else_regs from alloca'd array to pointer_sets.
150         (check_cond_move_block): Update for this change.
151         (cond_move_convert_if_block): Likewise.
152         * Makefile.in: Fix dependencies for ifcvt.o.
153
154 2012-10-15  Richard Guenther  <rguenther@suse.de>
155
156         PR tree-optimization/54920
157         * tree-ssa-pre.c (create_expression_by_pieces): Properly
158         allocate temporary storage for all NARY elements.
159
160 2012-10-08  Georg-Johann Lay  <avr@gjlay.de>
161
162         PR target/54854
163         * doc/invoke.texi (AVR Options): Deprecate -mshort-calls.
164
165 2012-10-05  Mark Kettenis  <kettenis@openbsd.org>
166
167         * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
168         default_use_cxa_atexit to yes.
169
170 2012-10-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
171
172         * config/pa/pa.md: Adjust unamed HImode add insn pattern.
173
174 2012-10-05  Jan Hubicka  <jh@suse.cz>
175             Jakub Jelinek  <jakub@redhat.com>
176
177         PR tree-optimization/33763
178         * tree-inline.c (expand_call_inline): Silently ignore always_inline
179         attribute for redefined extern inline functions.
180
181 2012-10-03  H.J. Lu  <hongjiu.lu@intel.com>
182
183         Backported from mainline
184         2012-10-03  Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
185
186         * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
187         in SSE and YMM state support check for -march=native.
188
189 2012-10-03  Alexandre Oliva <aoliva@redhat.com>
190
191         PR debug/53135
192         * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
193         when needed.
194
195 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
196
197         Backported from mainline
198         2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
199
200         PR target/54785
201         * doc/invoke.texi: Document -mprefer-avx128.
202
203 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
204
205         Backported from mainline
206         2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
207
208         PR target/54741
209         *  config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
210         (XSTATE_FP): Likewise.
211         (XSTATE_SSE): Likewise.
212         (XSTATE_YMM): Likewise.
213         (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
214         SSE and YMM states aren't supported.
215
216 2012-10-01  Tom de Vries  <tom@codesourcery.com>
217
218         * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
219         the prototype.
220
221 2012-10-01  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
222
223         PR target/54746
224         * config/s390/s390.c (s390_option_override): Add missing break.
225
226 2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
227
228         Backport from mainline
229         2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
230
231         * config.gcc: Replace 'host' with 'target' when configuring for
232         powerpc64*-*-freebsd.
233
234 2012-09-28  Meador Inge  <meadori@codesourcery.com>
235
236         Backport from mainline
237         2012-09-27  Meador Inge  <meadori@codesourcery.com>
238
239         * gcc-ar.c (main): Handle the returning of the sub-process error
240         code correctly.
241
242 2012-09-28  Georg-Johann Lay  <avr@gjlay.de>
243
244         Backport from 2012-09-28 trunk r191821.
245         * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
246
247 2012-09-27  Jakub Jelinek  <jakub@redhat.com>
248
249         PR target/54703
250         * simplify-rtx.c (simplify_binary_operation_1): Perform
251         (x - (x & y)) -> (x & ~y) optimization only for integral modes.
252
253 2012-09-24  Eric Botcazou  <ebotcazou@adacore.com>
254
255         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
256         TYPE_NONALIASED_COMPONENT flag.
257         * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
258         TYPE_NONALIASED_COMPONENT flag.
259
260 2012-09-21  Richard Guenther  <rguenther@suse.de>
261
262         PR middle-end/54638
263         Backport from mainline
264         2012-04-19  Richard Guenther  <rguenther@suse.de>
265
266         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
267         array access.
268
269 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
270
271         PR c/54552
272         * c-typeck.c (c_cast_expr): When casting to a type requiring
273         C_MAYBE_CONST_EXPR to be created, pass the inner expression to
274         c_fully_fold first.
275
276 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
277
278         PR c/54103
279         * c-typeck.c (build_unary_op): Pass original argument of
280         TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
281         any C_MAYBE_CONST_EXPR, if it has integer operands.
282         (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
283         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
284         to c_objc_common_truthvalue_conversion, then remove any
285         C_MAYBE_CONST_EXPR, if they have integer operands.  Use
286         c_objc_common_truthvalue_conversion not
287         c_common_truthvalue_conversion.
288         (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
289         call note_integer_operands for arguments with integer operands
290         that are not integer constants.
291
292 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
293
294         Backported from mainline
295         2012-09-17  Jakub Jelinek  <jakub@redhat.com>
296
297         PR tree-optimization/54563
298         * tree-ssa-math-opts.c (execute_cse_sincos): Call
299         gimple_purge_dead_eh_edges if last call has been changed.
300
301         2012-09-14  Jakub Jelinek  <jakub@redhat.com>
302
303         PR target/54564
304         * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
305         instead of (match_dup 0) as second argument to vec_merge.
306         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
307         Remove third alternative.
308         (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise.  Negate
309         operand 2 instead of operand 1, but put it as first argument
310         of fma.
311         * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
312         _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
313         of the first.
314
315 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
316
317         * BASE-VER: Set to 4.7.3.
318         * DEV-PHASE: Set to prerelease.
319
320 2012-09-20  Release Manager
321
322         * GCC 4.7.2 released.
323
324 2012-09-15  Andi Kleen  <ak@linux.intel.com>
325
326         Backport from mainline
327         2012-09-07  Andi Kleen  <ak@linux.intel.com>
328
329         * gcc/lto-streamer.h (res_pair): Add.
330         (lto_file_decl_data): Replace resolutions with respairs.
331         Add max_index.
332         * gcc/lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
333         Initialize respairs.
334         (lto_file_finalize): Set up resolutions vector lazily from respairs.
335
336 2012-09-14  Walter Lee  <walt@tilera.com>
337
338         Backport from mainline.
339         2012-09-14  Walter Lee  <walt@tilera.com>
340
341         * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
342         option for TILEPro and TILE-Gx.
343
344 2012-09-13  Uros Bizjak  <ubizjak@gmail.com>
345
346         * config/i386/i386.h (x86_prefetchw): New global variable.
347         (TARGET_PREFETCHW): New macro.
348         * config/i386/i386.c (PTA_PREFETCHW): Ditto.
349         (processor_alias_table): Add PTA_PREFETCHW to
350         bdver1, bdver2 and btver1.
351         (ix86_option_override_internal): Set x86_prefetchw for
352         PTA_PREFETCHW targets.
353         * config/i386/i386.md (prefetch): Expand to prefetchw
354         for TARGET_PREFETCHW.
355         (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
356
357         Backport from mainline
358         2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
359
360         * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
361         (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
362         Rename to ...
363         (*prefetch_sse): ... this.
364         (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
365         Rename to ...
366         (*prefetch_3dnow): ... this.
367
368 2012-09-13  Jakub Jelinek  <jakub@redhat.com>
369
370         PR c/54559
371         * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
372         COMPLEX_TYPE with in_late_binary_op set temporarily to true.
373
374 2012-09-12  Teresa Johnson  <tejohnson@google.com>
375
376         Backport from mainline.
377         2012-09-12  Teresa Johnson  <tejohnson@google.com>
378
379         PR gcov-profile/54487
380         * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
381         test using F_SETLKW with fcntl.
382         * configure, config.in: Regenerate.
383
384 2012-09-12  Uros Bizjak  <ubizjak@gmail.com>
385
386         Backport from mainline
387         2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
388
389         * config/i386/i386.md : Comments on fma4 instruction selection
390         reflect requirement on register pressure based cost model.
391
392         * config/i386/driver-i386.c (host_detect_local_cpu): fma4
393         flag is set-reset as informed by the cpuid flag.
394
395         * config/i386/i386.c (processor_alias_table): fma4
396         flag is enabled for bdver2.
397
398 2012-09-12  Christian Bruel  <christian.bruel@st.com>
399
400         * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
401
402 2012-09-12  Jakub Jelinek  <jakub@redhat.com>
403
404         * config.gcc: Obsolete picochip-*.
405
406 2012-09-11  Richard Guenther  <rguenther@suse.de>
407
408         PR debug/54534
409         * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
410         on flag_toplevel_reorder.
411
412 2012-09-10  Richard Henderson  <rth@redhat.com>
413
414         * config/alpha/predicates.md (small_symbolic_operand): Disallow
415         large offsets.
416
417 2012-09-10  Georg-Johann Lay  <avr@gjlay.de>
418
419         Backport from 2012-09-10 mainline r191132.
420
421         PR target/54536
422         * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
423
424 2012-09-10  Markus Trippelsdorf  <markus@trippelsdorf.de>
425
426         PR middle-end/54515
427         * tree-sra.c (disqualify_base_of_expr): Check for possible
428         NULL_TREE returned by get_base_address()
429
430 2012-09-07  Richard Guenther  <rguenther@suse.de>
431
432         Backport from mainline
433         2012-06-26  Jan Hubicka  <jh@suse.cz>
434
435         PR lto/53572
436         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
437         used symbols.
438
439 2012-09-07  Richard Guenther  <rguenther@suse.de>
440
441         Backport from mainline
442         2012-07-13  Richard Guenther  <rguenther@suse.de>
443
444         PR tree-optimization/53922
445         * tree-vrp.c (value_inside_range): Change prototype to take
446         min/max instead of value-range.
447         (range_includes_zero_p): Likewise.  Return the result from
448         value_inside_range.
449         (extract_range_from_binary_expr_1): Adjust to handle dont-know
450         return value from range_includes_zero_p.
451         (extract_range_from_unary_expr_1): Likewise.
452         (compare_range_with_value): Likewise.
453         (vrp_meet_1): Likewise.
454
455 2012-09-07  Richard Guenther  <rguenther@suse.de>
456
457         PR middle-end/53667
458         * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
459         EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
460         arguments separately.
461
462 2012-09-07  Jakub Jelinek  <jakub@redhat.com>
463
464         Backported from mainline
465         2012-09-06  Jakub Jelinek  <jakub@redhat.com>
466
467         PR rtl-optimization/54455
468         * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
469         bb ends up with asm goto referencing bb's label.
470
471 2012-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
472
473         Backport from mainline.
474         2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
475                     Richard Earnshaw  <richard.earnshaw@arm.com>
476
477         PR target/54252
478         * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
479         element size. Use elem_type from the formal parameter. New parameter
480         fcode.
481         (neon_expand_args): Adjust call to neon_dereference_pointer.
482
483 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
484
485         * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
486         reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
487
488 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
489
490         Backport from mainline
491         2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
492
493         * config/i386/i386.md (isa): Add fma and fma4.
494         (enabled): Handle fma and fma4.
495         * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
496         (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
497         (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
498         (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
499         (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
500         (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
501
502         2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
503
504         * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
505         *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
506         *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
507
508 2012-09-06  Richard Guenther  <rguenther@suse.de>
509
510         PR tree-optimization/54498
511         * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
512         abort when reaching an already visited region.
513         * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
514         (get_continuation_for_phi_1): Likewise.
515         (walk_non_aliased_vuses): When we translated the reference,
516         abort when we re-visit a region.
517         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
518
519 2012-09-06  Andrew Pinski  <apinski@cavium.com>
520
521         PR tree-opt/54494
522         * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
523
524 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
525
526         PR middle-end/54486
527         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
528         build_int_cst with size_type_node instead of size_int.
529
530 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
531
532         Backport from 2012-09-05 mainline r190697.
533
534         PR target/54461
535         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
536         configured --with-avrlibc.
537         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
538         --with-avrlibc.
539         * config/avr/avrlibc.h: New file.
540         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
541         configured --with-avrlibc.
542         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
543
544 2012-09-05  Bin Cheng  <bin.cheng@arm.com>
545
546         Backport from 2012-09-04 mainline r190919
547
548         PR target/45070
549         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
550         of size less than 4 bytes by using macro ARM_NUM_INTS.
551         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
552
553 2012-09-04  Richard Henderson  <rth@redhat.com>
554
555         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
556
557 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
558
559         Backport from 2012-09-04 mainline r190920
560
561         PR target/54476
562         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
563
564 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
565
566         Backport from 2012-09-04 mainline r190914
567
568         PR target/54220
569         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
570         define to...
571         (avr_allocate_stack_slots_for_args): ...this new static function.
572
573 2012-09-03  H.J. Lu  <hongjiu.lu@intel.com>
574
575         Backported from mainline
576         2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
577
578         PR driver/54335
579         * doc/invoke.texi: Add -da and remove -dm.
580
581 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
582
583         Backported from mainline
584         2012-09-01  Jakub Jelinek  <jakub@redhat.com>
585
586         PR target/54436
587         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
588         operands[1] is CONST_INT_P, convert it to QImode before printing.
589
590         2012-08-31  Jakub Jelinek  <jakub@redhat.com>
591
592         PR c/54428
593         * c-convert.c (convert): Don't call fold_convert_loc if
594         TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
595         is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
596         COMPLEX_TYPE -> COMPLEX_TYPE conversion.
597
598         2012-08-24  Jakub Jelinek  <jakub@redhat.com>
599
600         PR c/54363
601         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
602         if init is a CONSTRUCTOR.
603
604 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
605
606         PR rtl-optimization/54369
607         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
608         calling dbr_schedule.
609         * config/sparc/sparc.c (sparc_reorg): Likewise.
610
611 2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>
612
613         Backport from mainline
614         2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>
615
616         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
617         case for Atom processor.
618
619 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
620
621         Backport from mainline
622         2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
623
624         PR target/46254
625         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
626         true for TARGET_64BIT or !flag_pic.
627         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
628         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
629         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
630         Add insn constraint.  Conditionally emit xchg asm insns.
631         (atomic_compare_and_swap<mode>): Update calls.  Check only
632         cmpxchg8b_pic_memory_operand in memory address fixup.
633         (DCASMODE): Remove.
634         (CASHMODE): Rename from DCASHMODE.
635         (doublemodesuffix): Update modes.
636         (regprefix): New mode attribute.
637
638         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
639         <UNSPECV_CMPXCHG>: New constant.
640         (atomic_compare_and_swap<mode>_1): Rename from
641         atomic_compare_and_swap_single<mode>.  Update calls and
642         unspec_volatile constants.
643         (atomic_compare_and_swap<mode>_doubleword): Rename from
644         atomic_compare_and_swap_double<mode>.  Update calls and
645         unspec_volatile constants.
646
647 2012-08-28  Walter Lee  <walt@tilera.com>
648
649         Backport from mainline
650         2012-08-28  Walter Lee  <walt@tilera.com>
651
652         * confg/tilegx/tilegx.md: Fix code style.
653         (*zero_extendsidi_truncdisi): Fix typo.
654         * config/tilegx/tilegx.c: Fix code style.
655         (tilegx_function_profiler): Fix typo.
656
657 2012-08-27  Walter Lee  <walt@tilera.com>
658
659         Backport from mainline
660         2012-08-27  Walter Lee  <walt@tilera.com>
661
662         * doc/md.texi (TILE-Gx): Fix typo.
663
664 2012-08-27  Walter Lee  <walt@tilera.com>
665
666         Backport from mainline
667         2012-08-27  Walter Lee  <walt@tilera.com>
668
669         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
670         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
671
672 2012-08-27  Walter Lee  <walt@tilera.com>
673
674         Backport from mainline
675         2012-08-27  Walter Lee  <walt@tilera.com>
676
677         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
678         (insn_bfins): Delete.
679
680 2012-08-27  Walter Lee  <walt@tilera.com>
681
682         Backport from mainline
683         2012-08-27  Walter Lee  <walt@tilera.com>
684
685         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
686         atomic_exchange_bare<mode>,
687         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
688         * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
689         * config/tilegx/tilegx.md (type): Add X1_remove.
690         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
691         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
692         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
693         X1_remote.
694
695 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
696
697         PR rtl-optimization/54088
698         * jump.c (delete_related_insns): Robustify latest change.
699
700 2012-08-21  Richard Guenther  <rguenther@suse.de>
701
702         Backport from mainline
703         2012-08-16  Richard Guenther  <rguenther@suse.de>
704
705         PR middle-end/54146
706         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
707         exit vector.
708         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
709         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
710         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
711         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
712         (tree_ssa_lim_finalize): Free all mem_refs.
713         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
714         scc when bailing out.
715         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
716         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
717         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
718         FOR_EACH_LOOP_BREAK.
719
720         2012-08-17  Richard Guenther  <rguenther@suse.de>
721
722         * tree-sra.c (modify_function): Free redirect_callers vector.
723         * ipa-split.c (split_function): Free args_to_pass vector.
724         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
725         vec_oprnds.
726         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
727         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
728         (vect_analyze_slp_instance): Free everything.
729         (destroy_bb_vec_info): Free the SLP instances.
730
731         2012-08-17  Richard Guenther  <rguenther@suse.de>
732
733         * params.def (integer-share-limit): Decrease from 256 to 251,
734         add rationale.
735
736         2012-08-21  Richard Guenther  <rguenther@suse.de>
737
738         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
739         the affine expansion cache.
740
741 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
742
743         Backported from trunk
744         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
745
746         PR middle-end/53992
747         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
748
749 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
750
751         Backport from mainline.
752         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
753
754         PR target/54212
755         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
756         mark as predicable. Adjust asm template.
757         (vec_setv2di_internal): Likewise.
758         (vec_extract<mode> VD, VQ): Likewise.
759         (vec_extractv2di): Likewise.
760         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
761         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
762         (neon_vdup_n<mode> VX, V32): Likewise.
763         (neon_vdup_nv2di): Likewise.
764
765 2012-08-17  Walter Lee  <walt@tilera.com>
766
767         Backport from mainline
768         2012-08-17  Walter Lee  <walt@tilera.com>
769
770         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
771         (FEEDBACK_ENTER): Define.
772         (FEEDBACK_REENTER): Define.
773         (FEEDBACK_ENTRY): Define.
774         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
775         (FEEDBACK_ENTER): Define.
776         (FEEDBACK_REENTER): Define.
777         (FEEDBACK_ENTRY): Define.
778
779 2012-08-16  Walter Lee  <walt@tilera.com>
780
781         Backport from mainline
782         2012-08-16  Walter Lee  <walt@tilera.com>
783
784         * config.gcc (tilegx-*-linux*): Add feedback.h.
785         (tilepro-*-linux*): Likewise.
786         * config/tilegx/feedback.h: New file.
787         * config/tilepro/feedback.h: New file.
788
789 2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>
790
791         Backport from mainline r189840 and r187586:
792         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
793
794         * config/i386/i386.md (stack_protect_set): Disable the pattern
795         for Android since Android libc (bionic) does not provide random
796         value for stack protection guard at gs:0x14. Guard value
797         will be provided from external symbol (default implementation).
798         (stack_protect_set_<mode>): Likewise.
799         (stack_protect_test): Likewise.
800         (stack_protect_test_<mode>): Likewise.
801         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
802         not have Bionic by default
803         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
804         Macro OPTION_BIONIC is defined in this file and provides Bionic
805         accessibility status
806
807         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
808
809         * configure.ac: Stack protector enabling for Android targets.
810         * configure: Regenerate.
811
812 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
813
814         Backported from trunk
815         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
816
817         PR rtl-optimization/53942
818         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
819         directly from likely spilled non-fixed hard registers, move them
820         to pseudo first.
821
822 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
823
824         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
825         (xop_phaddubq): Ditto.
826
827 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
828
829         Backport from mainline
830         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
831                     Richard Earnshaw  <rearnsha@arm.com>
832
833         * target.def (vector_alignment): New target hook.
834         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
835         * doc/tm.texi: Regenerate.
836         * targhooks.c (default_vector_alignment): New function.
837         * targhooks.h (default_vector_alignment): Add prototype.
838         * stor-layout.c (layout_type): Use targetm.vector_alignment.
839         * config/arm/arm.c (arm_vector_alignment): New function.
840         (TARGET_VECTOR_ALIGNMENT): Define.
841
842         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
843         vector type alignment instead of size.
844         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
845         element type size directly instead of computing it from alignment.
846         Fix variable naming and comment.
847
848 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
849
850         Backport from mainline
851         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
852
853         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
854         (alpha_pad_function_end): ... this.  Also insert NOP between
855         sibling call and GP load.
856         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
857
858 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
859
860         Backport from mainline
861         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
862                     H.J. Lu  <hongjiu.lu@intel.com>
863
864         PR rtl-optimization/54157
865         * combine.c (gen_lowpart_for_combine): Don't return identity
866         for CONST or symbolic reference.
867
868 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
869
870         Backport from mainline
871         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
872
873         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
874         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
875         split_cost argument signed.
876         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
877         (ix86_avoid_lea_for_addr): Ditto.
878
879         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
880
881         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
882         the address has less than two components.
883
884 2012-08-02  Steve Ellcey  <sellcey@mips.com>
885
886         Backport from mainline
887         2012-07-19  Steve Ellcey  <sellcey@mips.com>
888
889         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
890         MIPS16 mode.
891
892 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
893
894         Backport from mainline
895         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
896
897         PR target/53961
898         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
899         negative constant address for TARGET_X32 ...
900         (ix86_decompose_address): ... here.  Reject constant addresses
901         that don't satisfy x86_64_immediate_operand predicate.
902
903         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
904
905         PR target/53961
906         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
907         * config/i386/i386.c (ix86_print_operand_address): Ditto.
908         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
909         addresses.  Prevent zero extensions of CONST_INT operands.
910
911         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
912
913         PR target/53961
914         * config/i386/i386.md (*lea): New insn pattern.
915         (*lea_1): Remove.
916         (*lea<mode>_2): Ditto.
917         (*lea_{3,4,5,6}_zext): Ditto.
918         * config/i386/predicates.md (lea_address_operand): Do not reject
919         zero-extended address operands.
920         * config/i386/constraints.md (j): Remove address constraint.
921         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
922         of an address.
923         (ix86_print_operand_address): Handle SImode subreg of an address.
924         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
925
926 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
927
928         Backport from mainline
929         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
930
931         PR target/52530
932         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
933         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
934         to set code to 'q'.
935         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
936         (*movdi_internal_rex64): Use %E operand modifier for lea.
937         (*movsi_internal): Ditto.
938         (*lea_1): Ditto.
939         (*lea<mode>_2): Ditto.
940         (*lea_{3,4,5,6}_zext): Ditto.
941         (*tls_global_dynamic_32_gnu): Ditto.
942         (*tls_global_dynamic_64): Ditto.
943         (*tls_dynamic_gnu2_lea_32): Ditto.
944         (*tls_dynamic_gnu2_lea_64): Ditto.
945         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
946
947 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
948
949         Backport from mainline
950         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
951
952         * config/i386/i386.c (ix86_address_subreg_operand): Reject
953         stack pointer.
954         (ix86_print_operand_address): Assert that parts.base and parts.index
955         are non-NULL after call to simplify_subreg.
956
957 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
958
959         PR target/33135
960         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
961         description.
962         * config/sh/sh.c (sh_option_override): Do not change
963         flag_finite_math_only.  Set TARGET_IEEE to complement of
964         flag_finite_math_only.
965         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
966         description of mieee and mno-ieee behavior.
967
968 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
969
970         PR target/53877
971         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
972         (_lzcnt_u64): Ditto.
973
974 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
975
976         Backport from mainline
977         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
978
979         PR rtl-optimization/52250
980         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
981         to put note list into.  Unconditionally call move_bb_info.
982         (move_bb_info): Do not assert the blocks being in the same region,
983         just drop the note list if they are not.
984
985 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
986
987         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
988
989 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
990
991         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
992         defining statement is a SSA name that occurs in abnormal PHIs.
993
994 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
995
996         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
997         conversions.
998
999 2012-07-19  Richard Guenther  <rguenther@suse.de>
1000             Eric Botcazou  <ebotcazou@adacore.com>
1001
1002         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
1003         about transition from invariant to known bits.
1004         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
1005
1006 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
1007
1008         PR middle-end/54017
1009         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
1010         (cleanup_tree_cfg_bb): Don't call it.
1011         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
1012         handling.
1013
1014 2012-07-19  Christian Bruel  <christian.bruel@st.com>
1015
1016         PR target/54029
1017         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
1018
1019 2012-07-18  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1020
1021         * config.gcc (v850-*-rtems*): New target.
1022         * config/v850/rtems.h: New.
1023         * config/v850/t-rtems: New.
1024
1025 2012-07-18  Nick Clifton  <nickc@redhat.com>
1026
1027         * doc/invoke.texi (ARM Options): Document -munaligned-access.
1028
1029 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
1030
1031         PR target/53961
1032
1033         Backport from mainline
1034         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1035
1036         PR target/53110
1037         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
1038         instead expand it as zero extension.
1039
1040 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
1041
1042         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
1043         QImode and HImode splitters.  Use ix86_comparison_operator.
1044         Explicitly match FLAGS_REG.
1045         (DFmode cmove splitter): Explicitly match FLAGS_REG.
1046
1047 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
1048             Steven Bosscher  <steven@gcc.gnu.org>
1049             Bernd Schmidt  <bernds@codesourcery.com>
1050
1051         PR rtl-optimization/53908
1052         * df-problems.c (can_move_insns_across): When doing
1053         memory-reference book-keeping, handle call insns.
1054
1055 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
1056
1057         Backport from mainline
1058         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
1059
1060         PR target/53811
1061         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
1062         sibcall_insn_operand.  Move it to a temporary register if not.
1063
1064         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
1065
1066         PR target/53853
1067         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
1068         emit PIC sequence for fnaddr symbol reference in advance.
1069
1070 2012-07-09  Jason Merrill  <jason@redhat.com>
1071
1072         PR c++/53882
1073         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
1074         (type_hash_eq): Likewise.
1075
1076         PR c++/53826
1077         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
1078
1079 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
1080
1081         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
1082         due to negative shift amount.
1083
1084 2012-07-06  Kai Tietz  <ktietz@redhat.com>
1085
1086         Backport from mainline.
1087         PR bootstrap/52947
1088         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
1089         as "/mingw/include".
1090
1091 2012-07-06  Nick Clifton  <nickc@redhat.com>
1092
1093         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
1094         default_encode_section_info.
1095
1096 2012-07-06  Richard Guenther  <rguenther@suse.de>
1097
1098         Backport from mainline
1099         2012-03-30  Richard Guenther  <rguenther@suse.de>
1100
1101         PR middle-end/52786
1102         * double-int.c (rshift_double): Remove not needed cast.
1103
1104         2012-03-28  Richard Guenther  <rguenther@suse.de>
1105
1106         PR middle-end/50708
1107         * double-int.h (rshift_double): Remove.
1108         * double-int.c (lshift_double): Use absu_hwi to make count
1109         positive.
1110         (rshift_double): Make static, take unsigned count argument,
1111         remove handling of negative count argument.
1112         (double_int_rshift): Dispatch to lshift_double.
1113
1114 2012-07-06  Richard Guenther  <rguenther@suse.de>
1115
1116         Backport from mainline
1117         2012-06-18  Richard Guenther  <rguenther@suse.de>
1118
1119         PR tree-optimization/53693
1120         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
1121         Reject operands with more than one use.
1122
1123 2012-07-06  Richard Guenther  <rguenther@suse.de>
1124
1125         Backport from mainline
1126         2012-04-11  Richard Guenther  <rguenther@suse.de>
1127
1128         PR middle-end/52621
1129         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
1130         consider loop nesting.
1131         (evolution_function_is_univariate_p): Properly check the remainder
1132         for chrecs.
1133
1134 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
1135
1136         Backport from mainline
1137         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
1138
1139         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
1140         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
1141         (adjacent_mem_locations): Move some code to and call...
1142         (get_memref_parts): ...new function.
1143         (mem_locations_overlap): New function.
1144         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
1145         (is_mem_ref): Rename to...
1146         (find_mem_ref): ...this. Return MEM rtx.
1147         (get_store_dest): Remove function.
1148         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
1149         new parameter and adjust calls.
1150         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
1151         mem refs overlap for true_store_to_load_dep_costly.
1152         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
1153         passed to adjacent_mem_locations.
1154         (is_costly_group): Walk resolved dependency list.
1155         (force_new_group): Emit group ending nop for Power6/Power7.
1156         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
1157         (group_ending_nop): New define_insn.
1158
1159 2012-07-04  Richard Guenther  <rguenther@suse.de>
1160
1161         PR middle-end/53433
1162         * gimple-fold.c (get_base_constructor): Do not return an
1163         error_mark_node DECL_INITIAL.
1164
1165 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
1166
1167         Backport from mainline
1168         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
1169
1170         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
1171         code model string in the error message.
1172
1173 2012-07-04  Tristan Gingold  <gingold@adacore.com>
1174
1175         Backport from mainline.
1176         2012-06-25  Tristan Gingold  <gingold@adacore.com>
1177
1178         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
1179         (seh_cfa_adjust_cfa): ... that function.
1180         (seh_emit_stackalloc): Do not emit out of range values.
1181         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
1182         UNSPEC_DEF_CFA constants.
1183         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
1184         * config/i386/i386.c (ix86_frame_pointer_required): Required
1185         for very large frames on SEH target.
1186         (ix86_compute_frame_layout): Save area is before frame pointer
1187         on SEH target.  Handle very large frames.
1188         (ix86_expand_prologue): Likewise.
1189
1190 2012-07-04  Richard Guenther  <rguenther@suse.de>
1191
1192         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
1193         as in free_lang_data_in_type.
1194
1195 2012-07-02  Martin Jambor  <mjambor@suse.cz>
1196
1197         Backport from mainline.
1198         2012-07-02  Martin Jambor  <mjambor@suse.cz>
1199
1200         PR middle-end/38474
1201         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
1202         dynamic type change check.
1203
1204 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
1205
1206         * tree-eh.c (lower_try_finally_switch): Really put the location of the
1207         last statement of the finally block onto the switch.
1208
1209 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1210
1211         * configure: Regenerate.
1212
1213         Backport from mainline.
1214         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1215
1216         * config.gcc (target_type_format_char): New. Document it. Set it for
1217         arm*-*-* .
1218         * configure.ac (gnu_unique_option): Use target_type_format_char
1219         in test.  Comment rationale.
1220
1221 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1222
1223         Backport from mainline.
1224         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1225
1226         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
1227
1228 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
1229
1230         Backport from 2012-06-28 mainline r189049
1231
1232         PR 53595
1233         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
1234         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
1235         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
1236         avr_hard_regno_call_part_clobbered.
1237
1238 2012-06-28  Richard Guenther  <rguenther@suse.de>
1239
1240         PR middle-end/53790
1241         * expr.c (expand_expr_real_1): Verify if the type is complete
1242         before inspecting its size.
1243
1244 2012-06-27  Nick Clifton  <nickc@redhat.com>
1245
1246         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1247         input operand.
1248
1249 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
1250
1251         PR debug/53682
1252         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1253
1254 2012-06-26  Nick Clifton  <nickc@redhat.com>
1255
1256         * config/rx/rx.md (simple_return): Use the simple_return rtx.
1257
1258 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
1259
1260         PR target/53759
1261         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1262         of x x x in the vmovlps load alternative.
1263
1264 2012-06-22  Richard Guenther  <rguenther@suse.de>
1265
1266         * gcov-iov.c: Include bconfig.h and system.h.
1267
1268 2012-06-22  Richard Guenther  <rguenther@suse.de>
1269
1270         PR gcov-profile/53744
1271         * gcov-iov.c (main): Treat "" and "prerelease" the same.
1272
1273 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
1274
1275         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1276         DECL_IGNORED_P non-reg vars even if they are used.
1277
1278 2012-06-19  Jason Merrill  <jason@redhat.com>
1279
1280         PR c++/52637
1281         * dwarf2out.c (modified_type_die): Use scope_die_for.
1282         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1283         (uses_local_type_r, uses_local_type): New.
1284         (scope_die_for): Keep a type that uses a local type in local scope.
1285         Use get_context_die for namespace and type scope.
1286
1287 2012-06-19  Richard Guenther  <rguenther@suse.de>
1288
1289         PR middle-end/53470
1290         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1291         replace it with the first non-BLOCK context.
1292
1293 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
1294
1295         PR rtl-optimization/53700
1296
1297         Backport from mainline
1298         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
1299
1300         * ira-color.c (setup_left_conflict_sizes_p): Process all
1301         conflicting objects.
1302
1303 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1304
1305         Backport from mainline
1306         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
1307
1308         PR target/52908
1309         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1310         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1311         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1312         instead of xop_mulv2div2di3_low.
1313         (xop_p<macs>dql): Fix vec_select selector.
1314         (xop_p<macs>dqh): Ditto.
1315         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1316         (xop_mulv2div2di3_high): Ditto.
1317
1318 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1319
1320         Backport from mainline:
1321         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1322
1323         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1324
1325 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1326
1327         Backport from mainline:
1328         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1329
1330         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1331         * config/pa/pa.c (pa_attr_length_millicode_call): Use
1332         MAX_PCREL17F_OFFSET instead of fixed offset.
1333         (pa_attr_length_call): Likewise.
1334         (pa_attr_length_indirect_call): Likewise.
1335
1336 2012-06-15  Walter Lee  <walt@tilera.com>
1337
1338         Backport from mainline:
1339         2012-06-15  Walter Lee  <walt@tilera.com>
1340
1341         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1342
1343         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
1344
1345         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1346
1347 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
1348
1349         Backport from mainline:
1350
1351         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1352         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1353         * gimple.h (block_in_transaction): Check for flag_tm.
1354
1355 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
1356
1357         PR tree-optimization/52558
1358
1359         Backport from mainline:
1360         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
1361         * gimple.h (gimple_set_in_transaction): Remove.
1362         (gimple_in_transaction): Look in BB instead.
1363         (gimple_statement_base): Remove in_transaction field.
1364         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1365         * trans-mem.c (compute_transaction_bits): Place transaction bit
1366         information into basic blocks.
1367
1368         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1369
1370         PR tree-optimization/52558
1371         * cfg.c (alloc_aux_for_edge): Fix comment.
1372         (alloc_aux_for_edge): Remove static.
1373         * basic-block.h (alloc_aux_for_edge): Protoize.
1374         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1375         (execute_sm_if_changed_flag): New.
1376         (execute_sm_if_changed_flag_set): New.
1377         (execute_sm): Do not generate data races unless requested.
1378         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1379         (tree_ssa_lim_finalize): Call free_aux_for_edges.
1380         * gimple.h (block_in_transaction): New.
1381         (gimple_in_transaction): Use block_in_transaction.
1382
1383 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
1384
1385         Backported from mainline
1386         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
1387
1388         PR rtl-optimization/53589
1389         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1390         discovery even when e->dest != target.  If any LABEL_REF points
1391         to e->dest label, redirect it to target's label.
1392
1393         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
1394
1395         PR middle-end/53580
1396         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1397         returns false, replace stmt with GIMPLE_NOP.
1398         (check_omp_nesting_restrictions): Instead of issuing warnings,
1399         issue errors and return false if any errors were reported.
1400
1401 2012-06-14  Richard Guenther  <rguenther@suse.de>
1402
1403         * BASE-VER: Set to 4.7.2.
1404         * DEV-PHASE: Set to prerelease.
1405
1406 2012-06-12  Christian Bruel  <christian.bruel@st.com>
1407
1408         PR target/53621
1409         * config/sh/sh.c (sh_option_override): Don't force
1410          flag_omit_frame_pointer and maccumulate_outgoing_args.
1411         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1412
1413 2012-06-14  Release Manager
1414
1415         * GCC 4.7.1 released.
1416
1417 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
1418
1419         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1420
1421 2012-06-13  Richard Henderson  <rth@redhat.com>
1422
1423         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1424         iterator instead of INT.
1425
1426 2012-06-08  Richard Henderson  <rth@redhat.com>
1427
1428         PR c++/53602
1429         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1430         note to a clobber insn when no other insn is available.
1431
1432 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
1433
1434         PR c++/53524
1435         * doc/invoke.texi (Wenum-compare): Update documentation.
1436
1437 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
1438
1439         PR target/53559
1440         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1441         operands.
1442         (altivec_stvlxl): Ditto.
1443         (altivec_stvrx): Ditto.
1444         (altivec_stvrxl): Ditto.
1445
1446 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
1447
1448         PR middle-end/47530
1449         * trans-mem.c (expand_block_edges): Do not skip the first
1450         statement when resetting the BB.
1451
1452 2012-06-04  Richard Guenther  <rguenther@suse.de>
1453
1454         PR middle-end/53471
1455         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1456         create new assembler names.
1457
1458 2012-06-04  Richard Guenther  <rguenther@suse.de>
1459
1460         Backport from mainline
1461         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1462
1463         PR middle-end/52979
1464         * stor-layout.c (get_best_mode): Don't return mode with bitsize
1465         larger than maxbits.  Don't compute maxbits modulo align.
1466         Also check that unit bytes long store at bitpos / unit * unit
1467         doesn't affect bits beyond bitregion_end.
1468         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1469         would not fit into bitregion_start ... bitregion_end + 1 bit
1470         region.
1471         (store_split_bit_field): Decrease unit close to end of bitregion_end
1472         if access is restricted in order to avoid mutual recursion.
1473
1474 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
1475
1476         Backport from 2012-06-04 mainline r188172
1477
1478         PR target/46261
1479         * config/avr/avr-stdint.h: New file.
1480         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1481         newlib-stdint.h
1482
1483 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
1484
1485         PR tree-optimization/53550
1486         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1487         is POINTER_TYPE_P, use sizetype as step type instead of type.
1488
1489 2012-06-04  Richard Guenther  <rguenther@suse.de>
1490             Eric Botcazou  <ebotcazou@adacore.com>
1491
1492         Backport from mainline
1493         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
1494
1495         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1496         Change type of BITOFFSET to signed.  Make sure the lower bound of
1497         the computed range is non-negative by adjusting OFFSET and BITPOS.
1498         (expand_assignment): Adjust call to get_bit_range.
1499
1500         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1501
1502         * expr.c (get_bit_range): Return the null range if the enclosing record
1503         is part of a larger bit field.
1504
1505         2012-03-20  Richard Guenther  <rguenther@suse.de>
1506
1507         * stor-layout.c (finish_bitfield_representative): Fallback
1508         to conservative maximum size if the padding up to the next
1509         field cannot be computed as a constant.
1510         (finish_bitfield_layout): If we cannot compute the distance
1511         between the start of the bitfield representative and the
1512         bitfield member start a new representative.
1513         * expr.c (get_bit_range): The distance between the start of
1514         the bitfield representative and the bitfield member is zero
1515         if the field offsets are not constants.
1516
1517         2012-03-16  Richard Guenther  <rguenther@suse.de>
1518
1519         * stor-layout.c (finish_bitfield_representative): Fall back
1520         to the conservative maximum size if we cannot compute the
1521         size of the tail padding.
1522
1523         2012-03-14  Richard Guenther  <rguenther@suse.de>
1524
1525         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1526         * stor-layout.c (start_bitfield_representative): New function.
1527         (finish_bitfield_representative): Likewise.
1528         (finish_bitfield_layout): Likewise.
1529         (finish_record_layout): Call finish_bitfield_layout.
1530         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1531         for QUAL_UNION_TYPE fields.
1532         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1533         Stream DECL_BIT_FIELD_REPRESENTATIVE.
1534         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1535
1536         PR middle-end/52080
1537         PR middle-end/52097
1538         PR middle-end/48124
1539         * expr.c (get_bit_range): Unconditionally extract bitrange
1540         from DECL_BIT_FIELD_REPRESENTATIVE.
1541         (expand_assignment): Adjust call to get_bit_range.
1542
1543 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1544
1545         PR middle-end/53501
1546         * fold-const.c (fold_binary_loc): Refine previous change.
1547
1548 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1549
1550         Backport from mainline
1551         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
1552
1553         PR target/52667
1554         * config/sh/sh.c (find_barrier): Add equality check of last_got to
1555         avoid going above orig insn.  Update comments.
1556
1557 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1558
1559         Backport from mainline
1560         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1561
1562         PR target/52642
1563         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1564         prologue for unwinder and profiler.
1565
1566 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1567
1568         Backport from mainline
1569         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1570
1571         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1572
1573 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1574
1575         Backport from mainline
1576         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1577
1578         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1579         DBX_REGISTER_NUMBER.
1580
1581 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1582
1583         Backport from mainline
1584         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1585
1586         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1587         operand is CONST_INT.  Take COSTS_N_INSNS into account.
1588         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1589         shiftcosts.     
1590
1591 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1592
1593         * config/avr/avr.opt (-msp8): Document it.
1594         * doc/invoke.texi (AVR Options): Copy from trunk docu.
1595
1596 2012-05-31  Richard Guenther  <rguenther@suse.de>
1597
1598         PR middle-end/48493
1599         * expr.c (expand_assignment): Do not use movmisalign on
1600         non-memory.
1601
1602 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1603
1604         PR target/52999
1605         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1606         (pa_section_type_flags): New.
1607         (pa_legitimate_constant_p): Revert previous change.
1608
1609 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
1610
1611         Backport from mainline
1612         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
1613
1614         PR middle-end/53008
1615         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1616         accessed indirectly.
1617         (ipa_tm_create_version): Same.
1618
1619 2012-05-30  Jason Merrill  <jason@redhat.com>
1620
1621         PR c++/53220
1622         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1623         about array compound literals.
1624
1625 2012-05-30  Richard Guenther  <rguenther@suse.de>
1626
1627         PR middle-end/53501
1628         * fold-const.c (fold_binary_loc): Make sure to call
1629         fold_plusminus_mult_expr with the original sign of operands.
1630
1631 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1632
1633         * explow.c (probe_stack_range): Restore simple control flow and stop
1634         again when the probe cannot be generated if HAVE_check_stack.
1635
1636 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
1637
1638         PR rtl-optimization/53519
1639         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1640         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1641
1642 2012-05-29  Richard Guenther  <rguenther@suse.de>
1643
1644         PR tree-optimization/53516
1645         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1646         bitfield accesses.
1647         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1648
1649 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1650
1651         Backport from mainline
1652         2012-05-28  Richard Guenther  <rguenther@suse.de>
1653
1654         PR tree-optimization/53438
1655         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1656
1657 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1658
1659         Backport from mainline
1660         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1661
1662         PR rtl-optimization/52528
1663         * combine.c (can_combine_p): Add setting of subst_low_luid
1664         before call to expand_field_assignment().
1665
1666 2012-05-26  Martin Jambor  <mjambor@suse.cz>
1667
1668         Backport from mainline
1669         2012-05-23  Martin Jambor  <mjambor@suse.cz>
1670
1671         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1672
1673 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1674
1675         PR lto/52178
1676         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1677         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1678
1679 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1680
1681         PR target/53435
1682         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1683         (ix86_expand_vec_perm): Use int mode instead of float.
1684
1685 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1686
1687         PR ada/52362
1688         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1689         gnu_ld variables to yes.
1690         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1691         (HAVE_GNU_AS): Likewise.
1692         * config.in: Regenerate.
1693         * configure: Likewise.
1694
1695 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1696
1697         Backport from mainline
1698         2012-03-12  Richard Guenther  <rguenther@suse.de>
1699         * config/arm/arm.c (neon_dereference_pointer): Do not call
1700         covert during RTL expansion.
1701
1702 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1703
1704         Backport from mainline
1705         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1706
1707         PR target/53385
1708         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1709         relied on signed overflow behavior.
1710
1711 2012-05-24  Richard Guenther  <rguenther@suse.de>
1712
1713         PR middle-end/53460
1714         * tree-profile.c (tree_profiling): Cleanup the CFG if
1715         execute_fixup_cfg requests it.
1716
1717 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1718
1719         PR tree-optimization/53465
1720         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1721         vr0 into *vr, then vrp_meet that.
1722         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1723         have any equivalences.
1724         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1725         first time.
1726
1727 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1728
1729         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1730         size handling.
1731         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1732         (iterative_hash_gimple_type): Adjust comment.
1733         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1734         domain for an array type instead of the domain type itself.
1735
1736 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1737
1738         Backport from 2012-05-23 mainline r187803
1739
1740         PR target/53448
1741         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1742         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1743         ASM_OUTPUT_ALIGN.
1744
1745 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1746
1747         Backport from 2012-05-03 mainline r187075
1748
1749         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1750         has_fma4 for AMD processors with both fma3 and fma4 support.
1751
1752 2012-05-22  Richard Guenther  <rguenther@suse.de>
1753
1754         PR tree-optimization/53408
1755         * tree-vect-loop.c (vectorizable_induction): Properly check
1756         the restriction that we cannot handle induction results from
1757         the inner loop outside of the outer loop.
1758
1759 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1760
1761         PR tree-optimization/53436
1762         * omp-low.c (omp_build_component_ref): New function.
1763         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1764
1765         PR tree-optimization/53366
1766         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1767         tests if complex_numbers == 2, but there are non-complex number loads
1768         too.
1769
1770         PR tree-optimization/53409
1771         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1772         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1773
1774         PR tree-optimization/53410
1775         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1776         instead of build_int_cst (type, 0) where vector types might be
1777         involved.
1778
1779 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1780
1781         PR c/53418
1782         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1783         from folded operands before wrapping another around the
1784         conditional expression.
1785
1786 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
1787             Patrick Marlier  <patrick.marlier@gmail.com>
1788
1789         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1790         indirect calls.
1791
1792 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1793
1794         Backport from mainline
1795         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1796
1797         PR target/53416
1798         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1799         (UNSPECV_RDRAND): This.
1800         (rdrand<mode>_1): Updated.
1801
1802 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1803
1804         Backport from mainline
1805         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1806
1807         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1808         RDRND, F16C and FSGSBASE.
1809
1810 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1811
1812         Backport from mainline
1813         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1814
1815         * tree-ssa-pre.c (can_value_number_call): Delete.
1816         (compute_avail): Skip all statements with side effects.
1817         <GIMPLE_CALL>: Skip calls to internal functions.
1818
1819 2012-05-18  David S. Miller  <davem@davemloft.net>
1820
1821         Backport r185385 from mainline
1822         2012-03-14  Richard Guenther  <rguenther@suse.de>
1823
1824         PR middle-end/52584
1825         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1826         element type instead of mode, use build_vector_type_for_mode
1827         instead of the langhook, build a vector of proper signedness.
1828         (expand_vector_operations_1): Adjust.
1829
1830 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1831
1832         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1833         $(libsubdir) as libexecsubdir.
1834
1835 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1836
1837         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1838         GIMPLE_ASSIGN.
1839
1840 2012-05-16  David S. Miller  <davem@davemloft.net>
1841
1842         * jump.c (delete_related_insns): If we remove a CALL, make sure
1843         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1844
1845 2012-05-16  Richard Henderson  <rth@redhat.com>
1846
1847         PR debug/52727
1848         * combine-stack-adj.c (prev_active_insn_bb): New.
1849         (next_active_insn_bb): New.
1850         (force_move_args_size_note): New.
1851         (combine_stack_adjustments_for_block): Use it.
1852
1853 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1854
1855         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1856         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1857         Add comments and improve stamp preservation across the whole sequence.
1858         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1859
1860 2012-05-16  Richard Guenther  <rguenther@suse.de>
1861
1862         PR tree-optimization/53364
1863         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1864         detect a view-conversion of the decl.
1865
1866 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1867
1868         PR target/53358
1869         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1870         that operands[2] is either immediate, or q_regs_operand.
1871
1872 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1873
1874         Backport r187139 from mainline.
1875         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1876
1877         PR rtl-optimization/52804
1878         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1879         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1880         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1881         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1882         RELOAD_FOR_OUTADDR_ADDRESS.
1883
1884 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1885
1886         PR target/46098
1887         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1888         generate target register for "load" class builtins.
1889
1890         Revert:
1891         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1892
1893         PR target/46098
1894         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1895         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1896         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1897         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1898         (<sse>_movu<ssemodesuffix>): New expander.
1899         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1900         (avx_movdqu<avxmodesuffix>): New expander.
1901         (*sse2_movdqu): Rename from sse2_movdqu.
1902         (sse2_movdqu): New expander.
1903
1904 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1905
1906         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1907         lineno 1 the same as lineno 0 before first start file directive.
1908         (optimize_macinfo_range): Likewise.
1909
1910         * dwarf2out.c (have_macinfo): Define.
1911         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1912         attribute, don't force empty compilation unit and don't emit any
1913         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1914
1915 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1916
1917         Backport from mainline
1918         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1919
1920         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1921         ORDERED and UNORDERED conditions.
1922
1923 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1924
1925         * function.c (requires_stack_frame_p): If the function can throw
1926         non-call exceptions, return true if the insn can throw internally.
1927
1928 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1929
1930         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1931         DECL_ORIGINAL_TYPE if it is present.
1932
1933 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1934
1935         Backport from 2012-05-12 mainline r187342.
1936
1937         PR target/53256
1938         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1939         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1940         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1941         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1942         (expand_prologue): Move initialization of cfun->machine->is_naked,
1943         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1944         (avr_set_current_function): ...this new static function.
1945         (TARGET_SET_CURRENT_FUNCTION): New define.
1946         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1947         checking attributes of current_function_decl.
1948         (avr_regs_to_save): Ditto.
1949         (signal_function_p): Rename to avr_signal_function_p.
1950         (interrupt_function_p): Rename to avr_interrupt_function_p.
1951
1952         * doc/extend.texi (Function Attributes): Better explanation of
1953         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1954         alphabetical order.
1955
1956 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1957
1958         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1959
1960 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1961
1962         PR target/53272
1963         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1964         when a constant source operand matches an "I" constraint, the "no
1965         CC0 change" applies to a register-destination only, not a
1966         strict_low_part-destination.
1967
1968 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1969
1970         Backport from mainline:
1971         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1972
1973         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1974
1975 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1976
1977         PR tree-optimization/53239
1978         * tree-vrp.c (get_value_range): Set VR of
1979         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1980         to nonnull.
1981
1982 2012-05-07  Richard Guenther  <rguenther@suse.de>
1983
1984         PR tree-optimization/53195
1985         * tree-inline.c (setup_one_parameter): Properly add referenced
1986         vars from the parameters new known value.
1987
1988 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1989
1990         Backport from mainline:
1991         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1992
1993         PR target/52999
1994         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1995         in constant pool.
1996
1997 2012-05-04  Ian Lance Taylor  <iant@google.com>
1998
1999         * tree-vect-patterns.c (vect_single_imm_use): Correct return
2000         values from false to NULL.
2001
2002 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
2003
2004         Backport from mainline
2005         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
2006
2007         PR target/53228
2008         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
2009         (TARGET_CMOV): Rename from TARGET_CMOVE.
2010         (TARGET_CMOVE): New define.
2011         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
2012         Do not set TARGET_CMOVE here.
2013
2014 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
2015
2016         Backport from mainline:
2017
2018         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
2019
2020         PR tree-optimization/52633
2021         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
2022         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
2023         (vect_recog_over_widening_pattern): Remove handling of code that was
2024         already detected as over-widening pattern.  Remove special handling
2025         of "unsigned" cases.  Instead, support general case of conversion
2026         of the shift result to another type.
2027
2028         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
2029
2030         * tree-vect-patterns.c (vect_single_imm_use): New function.
2031         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
2032         (vect_recog_over_widening_pattern): Likewise.
2033         (vect_recog_widen_shift_pattern): Likewise.
2034
2035         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
2036
2037         PR tree-optimization/52870
2038         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
2039         presumed pattern statement is within the same loop or basic block.
2040
2041 2012-05-04  Richard Guenther  <rguenther@suse.de>
2042
2043         * common.opt (flto-report): Do not mark as Optimization.
2044
2045 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
2046
2047         PR target/48496
2048         * recog.c (constrain_operands): If extra constraints are present, also
2049         accept pseudo-registers with equivalent memory locations during reload.
2050
2051 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
2052
2053         Backport from the mainline
2054         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
2055
2056         PR target/53199
2057         * config/rs6000/rs6000.md (bswapdi splitters): If
2058         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
2059         default) is used, generate an alternate sequence that does not
2060         depend on using indexed addressing.
2061
2062 2012-05-03  David S. Miller  <davem@davemloft.net>
2063
2064         PR target/52684
2065         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
2066         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
2067         (sparc_emit_float_lib_cmp): Likewise.
2068
2069 2012-05-04  Martin Jambor  <mjambor@suse.cz>
2070
2071         Backport from mainline
2072         2012-05-02  Martin Jambor  <mjambor@suse.cz>
2073
2074         PR lto/52605
2075         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
2076         of a variable when the contect is a function.
2077
2078 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
2079
2080         PR plugins/53126
2081         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
2082         append program name to it and pass that as first argument
2083         to make_relative_prefix.  Always pass standard_libexec_prefix
2084         as last argument to make_relative_prefix.  If
2085         make_relative_prefix returns NULL, fall back to
2086         standard_libexec_prefix.
2087
2088         PR debug/53174
2089         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
2090         removed.
2091
2092         PR target/53187
2093         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
2094         mode, return that mode.
2095
2096 2012-05-03  Richard Guenther  <rguenther@suse.de>
2097
2098         PR tree-optimization/53144
2099         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
2100         Rename to ...
2101         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
2102         with SSA name values.
2103         (vn_reference_lookup_3): Adjust callers.
2104
2105 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
2106
2107         PR tree-optimization/53163
2108         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
2109         return value from compute_all_dependences.
2110
2111         PR rtl-optimization/53160
2112         * ree.c (combine_reaching_defs): Handle the case where cand->insn
2113         has been modified by ree pass already.
2114
2115 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
2116
2117         Backport from mainline
2118         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2119
2120         PR middle-end/53136
2121         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
2122         calls to cgraph_node_name in xstrdup.
2123         (ipa_make_edge_direct_to_target): Ditto.
2124         * tree-sra.c (convert_callers_for_node): Ditto.
2125         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
2126         * ipa-cp.c (perhaps_add_new_callers): Ditto.
2127         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
2128         (cgraph_materialize_all_clones): Ditto.
2129         * ipa-inline.c (report_inline_failed_reason): Ditto.
2130         (want_early_inline_function_p): Ditto.
2131         (edge_badness): Ditto.
2132         (update_edge_key): Ditto.
2133         (flatten_function): Ditto.
2134         (ipa_inline): Ditto.
2135         (inline_always_inline_functions): Ditto.
2136         (early_inline_small_functions): Ditto.
2137
2138 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
2139
2140         Backport from mainline
2141         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
2142
2143         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
2144         Introduce emul_name to select the right linker emulation for
2145         powerpc64-*-freebsd*.
2146         * configure: Regenerate.
2147         * config.gcc: Add bits to support powerpc64-*-freebsd*.
2148         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
2149         * config/rs6000/freebsd64.h: New file.
2150         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
2151         POWERPC_FREEBSD.
2152         (rs6000_savres_strategy): Likewise.
2153         (rs6000_savres_routine_name): Likewise.
2154         (rs6000_elf_file_end): Likewise.
2155         * config/rs6000/t-freebsd64: New file.
2156         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
2157         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
2158
2159 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2160
2161         Backport from mainline
2162         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
2163
2164         PR target/53138
2165         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
2166
2167 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2168
2169         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
2170         predicate to discriminate types.
2171
2172 2012-04-27  Richard Guenther  <rguenther@suse.de>
2173
2174         PR c/51527
2175         * convert.c (convert_to_integer): Avoid infinite recursion for
2176         target-defined built-in types.
2177
2178 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
2179
2180         PR target/53120
2181         * config/cris/cris.md ("*andhi_lowpart_v32")
2182         ("*andqi_lowpart_v32"): Change first input-only operand from
2183         a (match_operand ...) to (match_dup 0).  Drop alternatives with
2184         const_int-matching constraints for redundancy.
2185         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
2186         three-operand alternative.
2187
2188 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
2189
2190         Backport from mainline
2191         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
2192
2193         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
2194         (*addsi_2_zext): Ditto.
2195         (*add<mode>_3): Ditto.
2196         (*addsi_3_zext): Ditto.
2197         (*add<mode>_5): Ditto.
2198
2199 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
2200
2201         PR c/52880
2202         * c-typeck.c (set_nonincremental_init,
2203         set_nonincremental_init_from_string): Pass true instead of false
2204         as IMPLICIT to add_pending_init.
2205
2206 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
2207
2208         Backport from 2012-04-24 mainline r186768.
2209
2210         PR target/53065
2211         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
2212
2213 2012-04-24  Richard Guenther  <rguenther@suse.de>
2214
2215         PR tree-optimization/53085
2216         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
2217         stores.
2218
2219 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
2220
2221         PR middle-end/53084
2222         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
2223         of MEM_REF.
2224         (output_addressed_constants): Likewise.
2225
2226         PR middle-end/52999
2227         * varasm.c (get_section): Don't ICE for section conflicts with
2228         built-in section kinds.
2229
2230 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
2231
2232         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
2233
2234 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
2235
2236         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
2237
2238 2012-04-23  Richard Guenther  <rguenther@suse.de>
2239
2240         PR c/53060
2241         * c-typeck.c (build_binary_op): Fix typo.
2242
2243 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
2244
2245         PR tree-optimizations/52891
2246         * tree-vect-patterns.c (adjust_bool_pattern): Use
2247         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2248         but with non-standard precision.
2249
2250 2012-04-22  Ian Lance Taylor  <iant@google.com>
2251
2252         * godump.c (go_output_typedef): Dump size of structs.
2253
2254 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
2255
2256         Backport from mainline:
2257
2258         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2259         hints for 'A' operand types.
2260
2261 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
2262
2263         Backport from 2012-04-19 mainline r186588.
2264
2265         PR target/53033
2266         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2267         the case *(X+const).
2268
2269 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
2270
2271         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2272
2273 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
2274
2275         PR target/53020
2276         * config/i386/sync.md (atomic_<code><mode>): Rename to
2277         atomic_<logic><mode>.
2278
2279 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
2280
2281         Backport from mainline
2282         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
2283
2284         PR target/52932
2285         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2286         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
2287         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2288         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2289         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2290         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2291         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2292         gen_avx2_permvarv8sf.
2293
2294 2012-04-16  Martin Jambor  <mjambor@suse.cz>
2295
2296         Backported from mainline
2297
2298         2012-04-13  Martin Jambor  <mjambor@suse.cz>
2299         PR middle-end/52939
2300
2301         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2302         fold_ctor_reference returns a zero constant.
2303
2304 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2305
2306         Backported from mainline
2307         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2308
2309         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2310         and __ILP32__ for x32.
2311
2312 2012-04-13  Tom de Vries  <tom@codesourcery.com>
2313
2314         Backport from mainline r186418.
2315
2316         2012-04-13  Tom de Vries  <tom@codesourcery.com>
2317
2318         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2319         parameters vuse and vuse_escaped.
2320         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
2321         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
2322         vuse1 != vuse2.
2323
2324 2012-04-13  Richard Guenther  <rguenther@suse.de>
2325
2326         PR tree-optimization/52969
2327         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2328         the condition for the COND_EXPR and handle predicate negation
2329         by swapping the COND_EXPR arms.
2330
2331 2012-04-13  Richard Guenther  <rguenther@suse.de>
2332
2333         PR c/52862
2334         * convert.c (convert_to_pointer): Remove special-casing of
2335         zero.
2336
2337 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2338
2339         Backport from mainline
2340         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2341
2342         PR target/52775
2343         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2344         the list of options to enable the FCFID instruction.
2345         (TARGET_EXTRA_BUILTINS): Adjust comment.
2346
2347 2012-04-12  Richard Guenther  <rguenther@suse.de>
2348
2349         PR tree-optimization/52943
2350         * tree-chrec.h (chrec_is_positive): Remove.
2351         * tree-scalar-evolution.c (chrec_is_positive): Move ...
2352         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
2353         Return false for a constant zero instead of negative.
2354         (analyze_siv_subscript_cst_affine): Handle zero difference
2355         in the initial condition explicitely.
2356
2357 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2358
2359         PR middle-end/52894
2360         * varasm.c (process_pending_assemble_externals): Set
2361         pending_assemble_externals_processed true.
2362         (assemble_external): Call assemble_external_real if the pending
2363         assemble externals have been processed.
2364
2365 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2366
2367         PR target/52717
2368         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2369         the DECL generated for the special GOT helper.
2370
2371 2012-04-06  Walter Lee  <walt@tilera.com>
2372
2373         Backport from mainline
2374         2012-03-07  Walter Lee  <walt@tilera.com>
2375
2376         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2377         REG_CFA_* notes for the stack pointer.
2378         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2379         EH_RETURN_STACKADJ_RTX.
2380         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2381         generate REG_CFA_* notes for the stack pointer.
2382         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2383         by EH_RETURN_STACKADJ_RTX.
2384
2385 2012-04-06  Matt Turner  <mattst88@gmail.com>
2386
2387         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2388
2389 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
2390
2391         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2392         of the destination isn't also a FP_REGS register.
2393
2394 2012-04-03  Richard Guenther  <rguenther@suse.de>
2395
2396         Backport from mainline
2397         2012-03-02  Richard Guenther  <rguenther@suse.de>
2398
2399         PR tree-optimization/52406
2400         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2401         (struct indices): Add unconstrained_base member.
2402         (struct dr_alias): Remove unused vops member.
2403         (DR_UNCONSTRAINED_BASE): New define.
2404         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2405         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
2406         be an artificial access that covers the whole indexed object,
2407         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
2408         plain decl base-objects to their MEM_REF variant.
2409         (dr_may_alias_p): When the base-object of either data reference
2410         has unknown size use only points-to information.
2411         (compute_affine_dependence): Make dumps easier to read and
2412         more verbose.
2413         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2414         DR_REF when looking for packed references.
2415         (vect_supportable_dr_alignment): Likewise.
2416
2417 2012-04-03  Richard Guenther  <rguenther@suse.de>
2418
2419         Backport from mainline
2420         2012-03-15  Richard Guenther  <rguenther@suse.de>
2421
2422         PR middle-end/52580
2423         * tree-data-ref.c (subscript_dependence_tester_1): Check
2424         all dimensions for non-conflicting access functions.
2425
2426 2012-04-03  Richard Guenther  <rguenther@suse.de>
2427
2428         Backport from mainline
2429         2012-03-06  Richard Guenther  <rguenther@suse.de>
2430
2431         PR middle-end/52493
2432         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2433
2434         2012-03-23  Richard Guenther  <rguenther@suse.de>
2435
2436         PR tree-optimization/52678
2437         * tree-vectorizer.h (struct _stmt_vec_info): Add
2438         loop_phi_evolution_part member.
2439         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2440         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2441         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2442         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2443         Use the cached evolution part and the PHI nodes value from
2444         the loop preheader edge instead of re-analyzing the evolution.
2445
2446         2012-03-26  Richard Guenther  <rguenther@suse.de>
2447
2448         PR tree-optimization/52701
2449         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2450         compute and set the evolution part of PHI nodes.
2451
2452         2012-03-30  Richard Guenther  <rguenther@suse.de>
2453
2454         PR tree-optimization/52754
2455         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2456         propagate arbitrary addresses into really plain dereferences.
2457
2458 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
2459
2460         PR tree-optimization/52835
2461         * tree-data-ref.c (build_rdg): Return NULL if
2462         compute_data_dependences_for_loop failed.
2463
2464 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
2465
2466         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2467         (stmt_can_make_abnormal_goto): Use it.
2468         (is_ctrl_altering_stmt): Likewise.
2469
2470 2012-03-31  Martin Jambor  <mjambor@suse.cz>
2471
2472         Backported from mainline
2473         2012-03-30  Martin Jambor  <mjambor@suse.cz>
2474
2475         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2476         is a builtin_stack_save in a dominating BB.
2477
2478 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2479
2480         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2481         crossing 128bit lane boundary.
2482
2483 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2484
2485         Backported from mainline
2486         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
2487
2488         PR target/52698
2489         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2490         New prototype.
2491         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2492         * config/i386/i386.c: Include reload.h.
2493         (ix86_legitimize_reload_address): New function.
2494
2495 2012-03-28  Martin Jambor  <mjambor@suse.cz>
2496
2497         Backported from mainline
2498         2012-03-27  Martin Jambor  <mjambor@suse.cz>
2499
2500         PR middle-end/52693
2501         * tree-sra.c (sra_modify_assign): Do not call
2502         load_assign_lhs_subreplacements when working with an unscalarizable
2503         region.
2504
2505 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2506
2507         PR middle-end/52691
2508         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2509         __builtin_va_start to __builtin_next_arg if the latter is
2510         builtin_decl_explicit_p rather than when it is not.
2511
2512         PR middle-end/52750
2513         * tree-vect-generic.c (vector_element): Perform multiplication
2514         for pos in bitsizetype type instead of idx type.
2515
2516 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2517
2518         Backport from 2012-03-28 mainline r185910.
2519
2520         PR target/52692
2521         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2522         (avr_builtin_decl): New static function.
2523         (struct avr_builtin_description, avr_bdesc): Move up.
2524         Add GTY marker. Add field fndecl. Remove redundant field id.
2525         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2526         (avr_expand_builtin): Code cleanup because .id is removed.
2527
2528 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
2529
2530         PR middle-end/51893
2531         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2532         targets.
2533
2534 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2535
2536         Backport from 2012-03-28 mainline r185907.
2537
2538         PR target/52737
2539         * config.gcc (tm_file): Remove avr/multilib.h.
2540
2541         * doc/invoke.texi (AVR Options): Adjust
2542         documentation of -mtiny-stack.
2543
2544         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2545         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2546         * config/avr/t-avr: Remove generation of multilib.h.
2547         * config/avr/t-multilib: Regenerate.
2548         * config/avr/multilib.h: Remove.
2549         * config/avr/avr.opt (-msp8): New option.
2550         (avr_sp8): New variable.
2551         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2552         * config/avr/avr.h (AVR_HAVE_SPH): New define.
2553         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2554         (avr_device_to_sp8): New prototype.
2555         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2556         (DRIVER_SELF_SPECS): New define.
2557         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2558         __AVR_SP8__, __AVR_HAVE_SPH__.
2559         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2560         AVR_HAVE_8BIT_SP to decide if SP_H is present.
2561         (avr_file_start): Ditto.
2562
2563 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2564
2565         PR target/52736
2566         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2567         instead of 8 in adjust_address.
2568
2569 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
2570
2571         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2572         of a unit before computing the offset in units.
2573
2574 2012-03-27  Richard Guenther  <rguenther@suse.de>
2575
2576         PR middle-end/52720
2577         * fold-const.c (try_move_mult_to_index): Handle &x.array more
2578         explicitely.
2579
2580 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2581
2582         PR target/52610
2583         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2584
2585 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
2586
2587         PR middle-end/52640
2588         * varasm.c: Include pointer-set.h.
2589         (pending_assemble_externals_set): New pointer set.
2590         (process_pending_assemble_externals): Destroy the pointer set.
2591         (assemble_external): See if decl is in pending_assemble_externals_set,
2592         and add it to pending_assemble_externals if necessary.
2593         (init_varasm_once): Allocate pending_assemble_externals_set.
2594
2595 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2596
2597         Backported from mainline
2598         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2599
2600         PR target/50310
2601         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2602         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2603         (vector_ltgt<mode>): Likewise.
2604         (vector_ordered<mode>): Likewise.
2605         (vector_unordered<mode>): Likewise.
2606         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2607
2608 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
2609
2610         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2611         Make static.
2612
2613 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2614
2615         Backported from mainline
2616         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
2617
2618         PR target/48596
2619         PR target/48806
2620         * config/sh/sh.c (sh_register_move_cost): Increase cost between
2621         GENERAL_REGS and FP_REGS for SImode.
2622
2623 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2624
2625         PR middle-end/52547
2626         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2627         on any new_local_var_chain vars declared during recursing on
2628         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2629
2630 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2631
2632         Backport from 2012-03-22 mainline r185692.
2633
2634         PR target/52496
2635         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2636         (unspecv): Add UNSPECV_MEMORY_BARRIER.
2637         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2638         (delay_cycles_1, delay_cycles_2): Ditto.
2639         (delay_cycles_3, delay_cycles_4): Ditto.
2640         (nopv, *nopv): Ditto.
2641         (sleep, *sleep): Ditto.
2642         (wdr, *wdr): Ditto.
2643
2644         Backport from 2012-03-21 mainline r185605.
2645
2646         PR rtl-optimization/52543
2647         PR target/52461
2648         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2649         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2650         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2651         (avr_load_libgcc_p): Restrict to __flash loads.
2652         (avr_out_lpm): Only handle 1-byte loads from __flash.
2653         (avr_load_lpm): New function.
2654         (avr_find_unused_d_reg): Remove.
2655         (avr_out_lpm_no_lpmx): Remove.
2656         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2657         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2658         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2659         (load_<mode>, load_<mode>_clobber): New insns.
2660         (mov<mode>): For multi-byte move from non-generic
2661         16-bit address spaces: Expand to load_<mode> resp.
2662         load_<mode>_clobber.
2663         (load<mode>_libgcc): Remove expander.
2664         (split-lpmx): Remove split.
2665
2666         Backport from 2012-03-13 mainline r185329.
2667
2668         PR target/52488
2669         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2670         offset (size) to a value the insns can deal with.
2671         (expand_epilogue): Ditto.
2672
2673         Backport from 2012-03-12 mainline r185256.
2674
2675         PR target/52499
2676         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2677         type from reg_class_t to enum reg_class.
2678         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2679
2680         Backport from 2012-03-12 mainline r185253.
2681
2682         PR target/52148
2683         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2684         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2685         r184615 from 2012-02-28.
2686
2687         Backport from 2012-03-08 mainline r185105.
2688
2689         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2690         for constants in [-63,63].
2691
2692         Backport from 2012-03-08 mainline r185100.
2693
2694         PR target/52496
2695         * config/avr/avr.c (avr_mem_clobber): New static function.
2696         (avr_expand_delay_cycles): Add memory clobber operand to
2697         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2698         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2699         (enable_interrupt, disable_interrupt): New expander.
2700         (nopv, sleep, wdr): New expanders.
2701         (delay_cycles_1): Add memory clobber.
2702         (delay_cycles_2): Add memory clobber.
2703         (delay_cycles_3): Add memory clobber.
2704         (delay_cycles_4): Add memory clobber.
2705         (cli_sei): New insn from former "enable_interrupt",
2706         "disable_interrupt" with memory clobber.
2707         (*wdt): New insn from former "wdt" with memory clobber.
2708         (*nopv): Similar, but for "nopv".
2709         (*sleep): Similar, but for "sleep".
2710
2711         Backport from 2012-03-07 mainline r185043.
2712
2713         PR target/52484
2714         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2715
2716         Backport from 2012-03-07 mainline r185032.
2717
2718         PR target/52506
2719         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2720         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2721         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2722
2723         Backport from 2012-03-07 mainline r185031.
2724
2725         PR target/52505
2726         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2727         from RAM.
2728         * config/avr/avr.md (xload_8): Adjust insn length.
2729
2730         Backport from 2012-03-07 mainline r185030.
2731
2732         PR target/52461
2733         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2734         if RAMPZ affects reading from RAM.
2735
2736         Backport from 2012-03-05 mainline r184919.
2737
2738         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2739
2740 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2741
2742         Backport from mainline r185259.
2743
2744         PR other/52545
2745         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2746         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2747
2748 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2749
2750         Backported from mainline
2751         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
2752
2753         PR c/52577
2754         * c-parser.c (c_parser_postfix_expression)
2755         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2756
2757         * config/i386/smmintrin.h: Avoid /* within a comment.
2758         * config/i386/nmmintrin.h: Likewise.
2759
2760 2012-03-22  Richard Guenther  <rguenther@suse.de>
2761
2762         * BASE-VER: Set to 4.7.1.
2763         * DEV-PHASE: Set to prerelease.
2764
2765 2012-03-22  Release Manager
2766
2767         * GCC 4.7.0 released.
2768
2769 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2770
2771         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2772
2773 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
2774             Andrew Pinski  <apinski@cavium.com>
2775
2776         PR middle-end/52592
2777         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2778         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2779         calls instead of __builtin_ir{int,ound}*.
2780
2781 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
2782
2783         PR c++/52582
2784         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2785         if c_node is NULL.
2786
2787 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2788
2789         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2790         Refer to GCC 4.7 version of c99status.html.
2791
2792 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2793
2794         Backport from mainline
2795         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2796
2797         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2798         redefine to be NULL if the current bit-size is different from the
2799         configured bit-size.
2800
2801         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2802         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2803         set the default tuning.  Add asserts to make sure the cpu and tune
2804         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2805         test whether the index is set, instead of > 0.
2806         (rs6000_file_start): Do not reset the default cpu if the current
2807         bit-size is different from the configured bit-size.
2808
2809 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2810
2811         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2812         binutils reference.
2813         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2814         Update binutils references.
2815         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2816         Update binutils reference.
2817         Update Sun as/GNU ld caveat.
2818         Document binutils largefile requirement for LTO plugin.
2819         Remove reference to alternate libpthread.
2820
2821 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2822
2823         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2824         reference.
2825         (Specific, mips-sgi-irix6): Likewise.
2826
2827 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2828
2829         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2830         * configure: Regenerate.
2831
2832 2012-03-07  Richard Henderson  <rth@redhat.com>
2833
2834         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2835         * config/m68k/sync.md (atomic_test_and_set): Use it.
2836         (atomic_test_and_set_1): Likewise.
2837
2838 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
2839
2840         PR target/51417
2841         * Makefile.in: Let install-gcc-ar depend on installdirs,
2842         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2843         Don't double canonicalize if cross-compiling.
2844
2845 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2846
2847         * trans-mem.c: New typedef for tm_region_p.
2848         Define vector types for tm_region_p.
2849         (tm_region_init): Replace region_worklist to a vector called
2850         bb_regions.
2851
2852 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2853
2854         PR middle-end/52463
2855         * trans-mem.c (tm_region_init): Use last_basic_block.
2856
2857 2012-03-05  Richard Henderson  <rth@redhat.com>
2858
2859         PR tree-opt/52242
2860         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2861         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2862         BIGGEST_ALIGNMENT is aligned.
2863
2864 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2865
2866         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2867
2868 2012-03-05  Richard Henderson  <rth@redhat.com>
2869
2870         PR target/52481
2871         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2872         instead of calling negqi2 directly.
2873
2874 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2875
2876         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2877         (INTMAX_TYPE): Use it.
2878         (UINTMAX_TYPE): Likewise.
2879         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2880         (irix6_c_common_override_options): Declare.
2881         (C_COMMON_OVERRIDE_OPTIONS): Define.
2882         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2883         * config/mips/irix6-c.c: New file.
2884         * config/mips/t-irix6 (irix6-c.o): New target.
2885         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2886         cxx_target_objs.
2887
2888 2012-03-02  Richard Henderson  <rth@redhat.com>
2889
2890         * optabs.c (expand_atomic_test_and_set): Honor
2891         atomic_test_and_set_trueval even when atomic_test_and_set
2892         optab is not in use.
2893
2894 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2895
2896         Backport from mainline
2897         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2898
2899         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2900
2901 2012-03-02  Richard Guenther  <rguenther@suse.de>
2902
2903         * DEV-PHASE: Set to prerelease.
2904
2905 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2906
2907         * config.gcc (obsolete): Add all ARM targets using the FPA.
2908         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2909         * doc/install.texi: Avoid references to obsolete ARM ports.
2910
2911 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2912
2913         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2914
2915 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2916             Joern Rennecke  <joern.rennecke@embecosm.com>
2917
2918         * doc/extend.texi: Expand and update information on interrupt
2919         attribute for Epiphany.
2920
2921 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2922
2923         * config/sh/sh-protos.h: Update copyright notice dates.
2924         * config/sh/sh.h: Likewise.
2925         * config/sh/sh.md: Likewise.
2926         * config/sh/constraints.md: Likewise.
2927         * config/sh/predicates.md: Likewise.
2928
2929 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2930
2931         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2932         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2933
2934 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2935
2936         * config/sh/constraints.md: Fix comment typo.
2937
2938 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2939
2940         PR target/52408
2941         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2942         unsigned HOST_WIDE_INT.
2943         (zvdep_imm64): Likewise.
2944         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2945         (vdepi_and): Likewise.
2946         Likewise for unamed 64-bit patterns.
2947         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2948
2949 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2950
2951         PR debug/52001
2952         PR rtl-optimization/52417
2953         * cselib.c (cselib_any_perm_equivs): New variable.
2954         (cselib_reset_table): Check that it's not set when not
2955         preserving constants.
2956         (cselib_add_permanent_equiv): Set it.
2957         (cselib_have_permanent_equivalences): New.
2958         (cselib_init, cselib_finish): Reset it.
2959         * cselib.h (cselib_have_permanent_equivalences): Declare.
2960         * alias.c (get_addr): Restore earlier behavior when there
2961         aren't permanent equivalences.
2962
2963 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2964
2965         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2966         * config/v850/v850-modes.def: Fix copyright notice.
2967
2968 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2969
2970         * doc/extend.texi (AVR Built-in Functions): Document
2971         __builtin_avr_flash_segment.
2972
2973         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2974         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2975         (*split.flash_segment): New insn-and-split.
2976         * config/avr/avr.c (avr_init_builtins): Add local variables:
2977         const_memx_void_node, const_memx_ptr_type_node,
2978         char_ftype_const_memx_ptr.
2979
2980 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2981
2982         PR tree-optimization/52445
2983         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2984         add ssa_name_ver, offset and size fields and change store field
2985         to bool.
2986         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2987         (add_or_mark_expr): Likewise.  Only consider previous stores
2988         with the same size and offset.
2989         (nt_init_block): Only look at gimple_assign_single_p stmts,
2990         doesn't look at rhs2.
2991
2992 2012-03-01  Richard Guenther  <rguenther@suse.de>
2993
2994         PR middle-end/52443
2995         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2996         conversions from integral types to pointer types.
2997
2998 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2999
3000         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
3001         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
3002         unintentionally removed in r184616.
3003
3004 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3005
3006         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
3007         3DNow from bdver1.
3008
3009 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
3010             Uros Bizjak  <ubizjak@gmail.com>
3011
3012         PR target/52437
3013         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
3014         alternatives, add "e" constraint to the new last alternative
3015         and ! to last 3 alternatives.
3016
3017 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
3018
3019         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
3020         DW_AT_artificial attributes at the end of the processing.
3021         (gen_array_type_die): Likewise.
3022         (gen_enumeration_type_die): Likewise.
3023         (gen_struct_or_union_type_die): Likewise.
3024         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
3025         the parent type.
3026
3027 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
3028
3029         PR middle-end/52419
3030         * expr.c (expand_assignment): If doing misaligned store that doesn't
3031         cover all mode bits, perform a RMW cycle.
3032
3033         PR tree-optimization/52429
3034         * tree-parloops.c (separate_decls_in_region_debug): Return early
3035         if var is LABEL_DECL.
3036
3037 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3038
3039         PR tree-optimization/52424
3040         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
3041         calling dom_thread_across_edge.
3042
3043 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3044
3045         * config/avr/avr.c: Move definition of TARGET macros to end of file.
3046
3047 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3048
3049         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
3050         * config/avr/avr.c (avr_output_bld): Remove unused function.
3051         (avr_out_sbxx_branch): Use "%T" to print bit position.
3052
3053 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3054
3055         * config/avr/avr.md: Untabify.
3056
3057 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3058
3059         * config/avr/avr.md (eqne): New code iterator.
3060         (*dec-and-branchsi): Use it in text peephole's condition.
3061         (*dec-and-branchhi): Ditto.
3062         (*dec-and-branchqi): Ditto.
3063
3064 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
3065
3066         PR target/49939
3067         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
3068         the device does not have the skip-bug.
3069
3070 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
3071
3072         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
3073         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
3074         -mpretend-cmove): New.
3075
3076 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
3077
3078         PR bootstrap/52397
3079         * df.h (struct df_d): Adjust comment that hard_regs_live_count
3080         doesn't count DEBUG_INSN refs.
3081         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
3082         for DEBUG_INSN refs.
3083
3084 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3085
3086         Partially revert:
3087
3088         2012-02-20  Richard Guenther  <rguenther@suse.de>
3089         PR tree-optimization/52298
3090         * tree-vect-stmts.c (vectorizable_load): Properly use
3091         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3092         outer loops.
3093
3094 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
3095
3096         PR middle-end/51752
3097         * gimple.h (gimple_in_transaction): New.
3098         (gimple_set_in_transaction): New.
3099         (struct gimple_statement_base): Add in_transaction field.
3100         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
3101         transaction loads.
3102         (tree_ssa_lim_initialize): Compute transaction bits.
3103         * tree.h (compute_transaction_bits): Protoize.
3104         * trans-mem.c (tm_region_init): Use the heap to store BB
3105         auxilliary data.
3106         (compute_transaction_bits): New.
3107
3108 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3109
3110         * gcc.c (display_help): Document --help=common and sort entries
3111         alphabetically.
3112
3113 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3114
3115         * doc/install.texi: Document check-$LANG specific shortcuts
3116
3117 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3118
3119         PR target/51534
3120         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
3121         and vcgtu.
3122         * config/arm/arm_neon.h: Regenerate.
3123         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
3124         (neon_vcgeu): New insn.
3125         (neon_vcgtu): Likewise.
3126         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
3127         (ops): Unsigned comparison intrinsics call a different
3128         builtin.
3129
3130 2012-02-28  Richard Guenther  <rguenther@suse.de>
3131
3132         PR target/52407
3133         * config/i386/i386.c (ix86_expand_vector_set): Fix element
3134         ordering for the VEC_CONCAT for two element vectors for
3135         V2SFmode, V2SImode and V2DImode.
3136
3137 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
3138
3139         PR target/49448
3140         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
3141         detecting big-endian triplets.
3142
3143 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
3144
3145         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
3146         mode if there is no type information available.
3147
3148 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
3149
3150         PR tree-optimization/53207
3151         * doc/invoke.texi: Document as experimental and relying on graphite.
3152
3153 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3154
3155         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
3156         of initializer to changes from r184614.
3157
3158 2012-02-28  Richard Guenther  <rguenther@suse.de>
3159
3160         PR tree-optimization/52395
3161         * tree-sra.c (build_ref_for_offset): Also look at the base
3162         TYPE_ALIGN when figuring out the alignment of the replacement.
3163
3164 2012-02-28  Richard Guenther  <rguenther@suse.de>
3165
3166         PR tree-optimization/52402
3167         * ipa-prop.c (ipa_modify_call_arguments): Properly use
3168         mis-aligned types when creating the accesses at the call site.
3169
3170 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3171
3172         * config/avr/builtins.def: New file.
3173         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
3174         * config/avr/avr.c (enum avr_builtin_id): Use it.
3175         (avr_init_builtins): Use it. And use avr_bdesc.
3176         (bdesc_1arg): Remove.
3177         (bdesc_2arg): Remove.
3178         (bdesc_3arg): Remove.
3179         (struct avr_builtin_description): Add field n_args.
3180         (avr_bdesc): New static variable using builtins.def.
3181         (avr_expand_builtin): Use it.
3182         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
3183         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
3184         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
3185
3186 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3187
3188         PR target/52148
3189         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
3190         match only one single hard register with respective hard reg rtx.
3191         (movmemx_<mode>): Ditto.
3192         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3193         insn anatomy of movmem[x]_<mode>.
3194         (avr_out_movmem): Same for printing assembler and operand usage.
3195
3196 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
3197
3198         PR target/49868
3199         PR target/52261
3200         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3201         address spaces located outside of device flash.
3202
3203         * config/avr/avr.h (base_arch_s): Remove field n_segments.
3204         (mcu_type_s): Add field n_flash.
3205         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3206         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3207         (AVR_MCU): Add N_FLASH argument.
3208         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3209         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3210         macro __FLASH<n> if that address space makes sense for the device.
3211         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3212         outside of target flash.
3213         (avr_asm_named_section): Ditto.
3214         (avr_asm_select_section): Ditto.
3215         (avr_addr_space_convert): Ditto.
3216         (avr_emit_movmemhi): Ditto.
3217         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3218         address space is outside of device flash.
3219         (avr_insert_attributes): Ditto.
3220         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3221         avr_current_arch->n_segments.
3222
3223 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
3224
3225         PR target/52352
3226         * config/i386/i386.md (*movabs<mode>_1): Enable only for
3227         TARGET_LP64.
3228         (*movabs<mode>_2): Likewise.
3229
3230 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
3231
3232         PR target/52375
3233         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3234         s_register_operand in the test instead of REG_P.  Don't call
3235         gen_reg_rtx if it won't be used.
3236
3237         PR tree-optimization/52376
3238         * ipa-split.c (split_function): Ignore CLOBBER stmts.
3239
3240 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
3241
3242         * ifcvt.c (noce_get_condition): Check condition variable is not
3243         small_register_classes_for_mode_p before accepting.
3244
3245 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
3246
3247         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3248
3249 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3250
3251         Revert:
3252         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3253         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3254         tuning parameters.
3255         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3256
3257 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
3258
3259         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3260
3261 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
3262
3263         * config/sh/predicates.md: Remove blank lines.
3264         * config/sh/sh.c: Fix typos in comments.
3265         * config/sh/constraints.md: Likewise.
3266         * config/sh/sh.md: Remove blank lines.
3267         Fix typos in comments.  Use ;; as comment characters.
3268
3269 2012-02-26  Walter Lee  <walt@tilera.com>
3270
3271         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3272         (replace_mov_pcrel_step2): Ditto.
3273
3274 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
3275
3276         PR debug/52001
3277         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3278         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
3279         and locs that reference values newer than the non-canonical value
3280         at hand.  Return the canonical value as a worst case.
3281         (memrefs_conflict_p): Walk canonical value's locs.
3282
3283         PR debug/52001
3284         * cselib.c (preserve_only_constants): Rename to...
3285         (preserve_constants_and_equivs): ... this.  Split out...
3286         (invariant_or_equiv_p): ... this.  Preserve plus expressions
3287         of other preserved expressions too.
3288         (cselib_reset_table): Adjust.
3289         * var-tracking.c (reverse_op): Use canonical value to build
3290         reverse operation.
3291
3292 2012-02-23  Kai Tietz  <ktietz@redhat.com>
3293
3294         * config/i386/i386.c (ix86_delegitimize_address): Handle
3295         UNSPEC_PCREL plus displacement.
3296
3297 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
3298
3299         PR target/52261
3300         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3301         to test for unusedness in st X addressing.
3302
3303 2012-02-24  Richard Guenther  <rguenther@suse.de>
3304
3305         PR middle-end/52361
3306         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3307         (is_gimple_reg_type): Move inline ...
3308         * gimple.h (is_gimple_reg_type): ... here.
3309
3310 2012-02-24  Richard Guenther  <rguenther@suse.de>
3311
3312         PR middle-end/52361
3313         * passes.c (execute_function_todo): When verifying SSA form
3314         verify gimple form first.
3315         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3316
3317 2012-02-24  Richard Guenther  <rguenther@suse.de>
3318
3319         PR middle-end/52355
3320         * fold-const.c (fold_addr_of_array_ref_difference): New function.
3321         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3322
3323 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3324
3325         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3326
3327 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3328
3329         * tree-phinodes.c (make_phi_node): Mark static.
3330         * tree-flow.h (make_phi_node): Remove extern decl.
3331         * doc/gimple.texi (make_phi_node): Remove documentation.
3332
3333 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3334
3335         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3336         * tree-ssa-sccvn.c (print_scc): Ditto.
3337
3338 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3339
3340         * doc/passes.texi (Full redundancy elimination): Fix typo.
3341
3342 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3343
3344         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3345
3346 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
3347
3348         PR bootstrap/52287
3349         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3350
3351 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
3352
3353         PR c/52290
3354         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3355
3356 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
3357
3358         * config/avr/avr.md (code_stdname): Add ior, xor.
3359         (xior): New code iterator.
3360         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3361         (*<code_stdname><mode>qi.byte1-3): Ditto.
3362
3363 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
3364
3365         PR tree-optimization/52019
3366         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3367         CLOBBER stmts.
3368
3369 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3370
3371         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3372         HAVE_INITFINI_ARRAY to work around namespace pollution in
3373         certain versions of newlib system headers.
3374         * config.in: Regenerate.
3375         * configure: Regenerate.
3376         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3377         instead of HAVE_INITFINI_ARRAY.
3378
3379 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
3380
3381         PR target/52330
3382         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3383         is not offsettable memory reference.
3384
3385 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3386
3387         PR target/18145
3388         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3389         setting avr_need_clear_bss_p for __gnu_lto* symbols.
3390
3391 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3392
3393         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3394         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3395
3396 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3397
3398         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3399         library on Solaris 8 even without TLS support.
3400         * configure: Regenerate.
3401
3402 2012-02-22  Richard Guenther  <rguenther@suse.de>
3403
3404         PR middle-end/52329
3405         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3406         for GIMPLE_DEBUG stmts.
3407
3408 2012-02-22  Martin Jambor  <mjambor@suse.cz>
3409
3410         PR middle-end/51782
3411         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3412         according to the base object.
3413
3414 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3415
3416         PR rtl-optimization/50063
3417         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3418         and 2 (8-bit SP) in operand 2.
3419         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3420         setup to use movhi_sp_r instead of vanilla move to write SP.
3421         Adjust REG_CFA notes to superseed unspec.
3422         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3423         of vanilla move.
3424         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3425         known to be off) only with TARGET_NO_INTERRUPTS. Never use
3426         irq_state 1 (IRQ known to be on) here.
3427
3428 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
3429
3430         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3431         WORDS_BIG_ENDIAN.
3432         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3433         assign_hard_reg): Likewise.
3434
3435 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3436
3437         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3438
3439 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3440
3441         * config/avr/avr.md
3442         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3443         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3444
3445 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3446
3447         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3448         prototype from here to...
3449         * config/avr/avr.h: ...here.
3450
3451 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
3452
3453         PR target/52294
3454         * thumb2.md (thumb2_shiftsi3_short): Split register and
3455         immediate shifts.  For register shifts tie operands 0 and 1.
3456         (peephole2 for above): Check that register-controlled shifts
3457         have suitably tied operands.
3458
3459 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
3460
3461         PR target/52137
3462         * config/i386/bdver1.md (bdver1_call, bdver1_push,
3463         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3464         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3465         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3466         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3467         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3468         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3469         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3470         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3471         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3472         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3473         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3474         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3475         bdver1_ssevector_avx256_unaligned_load,
3476         bdver1_ssevector_sse128_unaligned_load,
3477         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3478         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3479         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3480         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3481         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3482         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3483         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3484         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3485         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3486         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3487         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3488         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3489         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3490         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3491         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3492         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3493         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3494         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3495         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3496         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3497         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3498         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3499         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3500         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3501         bdver1_ssediv_double_load, bdver1_ssediv_double,
3502         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3503         Add "bdver2" attribute.
3504
3505 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3506
3507         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3508         default if possible and not specified otherwise.
3509
3510 2012-02-21  Richard Guenther  <rguenther@suse.de>
3511
3512         PR middle-end/52314
3513         * gimplify.c (create_tmp_from_val): Use the main variant type
3514         for the type of the temporary we create.
3515
3516 2012-02-21  Richard Guenther  <rguenther@suse.de>
3517
3518         PR tree-optimization/52324
3519         * gimplify.c (gimplify_expr): When re-gimplifying expressions
3520         do not gimplify a MEM_REF address operand if it is already
3521         in suitable form.
3522
3523 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3524
3525         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3526         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3527
3528 2012-02-21  Richard Guenther  <rguenther@suse.de>
3529
3530         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3531         nested_in_vect_loop.
3532
3533 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
3534
3535         PR tree-optimization/52318
3536         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3537         vdef also to non-pure/const call stmts in the sequence.
3538
3539 2012-02-20  David S. Miller  <davem@davemloft.net>
3540
3541         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3542         don't use the "rd %pc" instruction on v9 for PIC register loads.
3543
3544 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>