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