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1 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2
3         * df-problems.c (df_kill_notes): Check that the use refers
4         to the note under examination.
5
6 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
7
8         PR target/51920
9         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
10         parameter and use short-lived pseudos.
11         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
12         (sparc_expand_vector_init): Const-ify local variables and adjust
13         calls to above functions.
14
15 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
16
17         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
18
19 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
20
21         * doc/invoke.texi: Make usage of "compile time" and
22         "run time"/"runtime" consistent throughout the file.
23
24 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
25
26         * config/alpha/alpha.c (alpha_option_overrride): Default to
27         full IEEE compliance mode for Go language.
28
29 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
30
31         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
32         (LINK_SSP_SPEC): Define.
33
34 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
35
36         PR target/51871
37         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
38         stubs.
39
40 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
41
42         * doc/invoke.texi: Correct hyphenation of "floating point",
43         "double precision", and related terminology throughout the file.
44
45 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
46
47         PR target/52006
48         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
49         arm_general_register_operand predicate for operand 2 instead of
50         register_operand.
51
52 2012-01-27  Ian Lance Taylor  <iant@google.com>
53
54         PR go/47656
55         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
56         * builtins.c (expand_builtin_init_trampoline): Add onstack
57         parameter.  Change caller.
58         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
59         * tree.c (build_common_builtin_nodes): Declare
60         __builtin_init_heap_trampoline.
61
62 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
63
64         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
65         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
66         * config/avr/avr.c: Ditto.
67         (avr_regnames): Remove because unused.
68         * config/avr/avr.md (*cpse.ne): New peephole.
69         (*cpse.eq): New peephole from former cpse peepholes.
70
71 2012-01-27  Michael Eager  <eager@eagercon.com>
72
73         * config/microblaze.c (microblaze_emit_compare): Correct
74         test after pcmp instruction.
75
76 2012-01-27  Richard Guenther  <rguenther@suse.de>
77
78         PR tree-optimization/52020
79         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
80
81 2012-01-27  Richard Guenther  <rguenther@suse.de>
82
83         * ipa-pure-const.c (check_stmt): Clobbers do not make a
84         function non-const/pure.
85
86 2012-01-27  Richard Guenther  <rguenther@suse.de>
87
88         PR tree-optimization/50444
89         * tree-sra.c (build_ref_for_offset): Properly adjust the
90         MEM_REF type for unaligned accesses.
91
92 2012-01-27  Richard Guenther  <rguenther@suse.de>
93
94         PR tree-optimization/50444
95         * expr.c (mem_ref_refers_to_non_mem_p): New function.
96         (expand_assignment): Use it.  Properly handle misaligned
97         bases when expanding stores to component references.
98         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
99         refactor that case.
100
101 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
102
103         PR middle-end/51389
104         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
105         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
106         * tree-data-ref.c (find_data_references_in_loop): Make static.
107         (compute_all_dependences): Change return type to bool.  Bail out
108         for too many datarefs in a loop.  Move the hunk resetting the data
109         dependences vector from ...
110         (compute_data_dependences_for_loop): ... here.  Account for
111         compute_all_dependences returning false.
112         (compute_data_dependences_for_bb): Likewise.
113         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
114         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
115
116 2012-01-27  Richard Guenther  <rguenther@suse.de>
117
118         PR middle-end/51959
119         * expr.c (store_field): Use the alias-set of the scratch memory
120         for storing to it.
121
122 2012-01-27  Tom de Vries  <tom@codesourcery.com>
123
124         PR tree-optimization/51990
125         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
126         WITH_SIZE_EXPR.
127         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
128
129 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
130
131         PR debug/52001
132         * var-tracking.c (reverse_op): Don't add any reverse operation
133         if V already has any constant locations.
134
135 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
136
137         * doc/invoke.texi: Correct usage of "command line" (noun)
138         vs "command-line" (adjective) throughout.
139
140 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
141
142         * doc/invoke.texi (Language Independent Options): Move
143         -Wcoverage-mismatch blurb from here....
144         (Warning Options): ...to here.
145
146 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
147
148         * config/rs6000/rs6000.c (rs6000_option_override_internal):
149         Set rs6000_always_hint to false for 476.
150
151 2012-01-27  Matthias Klose  <doko@ubuntu.com>
152
153         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
154           system root.
155         * incpath.c (add_standard_paths): Likewise.
156
157 2012-01-27  Richard Henderson  <rth@redhat.com>
158
159         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
160         * config/m68k/sync.md (atomic_test_and_set): Rename from
161         sync_test_and_setqi and adjust the operands.
162         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
163         and unconditionally enable.
164
165 2012-01-27  Richard Henderson  <rth@redhat.com>
166
167         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
168         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
169         (ldstub): Rename from ldstubqi.
170         (ldstub<I24MODE>): Remove.
171
172 2012-01-27  Richard Henderson  <rth@redhat.com>
173
174         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
175         * c-cppbuiltin.c (cpp_atomic_builtins): Define
176         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
177         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
178         * doc/tm.texi: Rebuild.
179
180 2012-01-27  Richard Henderson  <rth@redhat.com>
181
182         * optabs.c (gen_atomic_test_and_set): Remove default.
183         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
184
185 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
186
187         PR rtl-optimization/51978
188         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
189         (combine_reaching_defs): Likewise.
190         (struct re_info): Remove.
191         (add_removable_extension): Remove x and data arguments,
192         add insn, insn_list and def_map.  Use the arguments directly
193         instead of using struct re_info.
194         (find_removable_extensions): Don't call add_removable_extension
195         through note_stores, instead just call it with single_set
196         result if non-NULL.
197         (find_and_remove_re): Pass curr_cand->expr instead of
198         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
199
200 2012-01-26  Michael Matz  <matz@suse.de>
201
202         PR tree-optimization/46590
203         * cfgexpand.c: Revert last change (r183305).
204         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
205         regs.
206         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
207         checking for emptiness.
208
209 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
210
211         PR middle-end/51895
212         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
213         non-addressable non-BLKmode base correctly.
214
215 2012-01-26  Michael Matz  <matz@suse.de>
216
217         PR tree-optimization/48794
218         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
219         regions referenced from RESX/EH_DISPATCH.
220
221 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
222
223         * config/s390/s390.h: Make BRANCH_COST an option.
224         * config/s390/s390.opt: New option -mbranch-cost.
225
226 2012-01-26  Richard Henderson  <rth@redhat.com>
227
228         Revert 2012-01-24 change:
229         * trans-mem.c (requires_barrier): Do not instrument thread local
230         variables and emit save/restore for them.
231
232 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
233
234         PR middle-end/51986
235         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
236         for pat == 0.
237
238 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
239
240         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
241         ASM_OPERANDS.
242
243 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
244
245         PR target/49868
246         Rename __pgm to __flash.
247         Rename __pgm1 to __flash1.
248         Rename __pgm2 to __flash2.
249         Rename __pgm3 to __flash3.
250         Rename __pgm4 to __flash4.
251         Rename __pgm5 to __flash5.
252         Rename __pgmx to __memx.
253         * doc/extend.texi (AVR Named Address Spaces)
254         Rename address space names as indicated above.
255         * config/avr/avr.c (avr_addrspace): Ditto.
256
257         * config/avr/avr-protos.h
258         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
259         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
260         * config/avr/predicates.md: Ditto.
261         * config/avr/avr.c Ditto, and
262         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
263         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
264
265         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
266         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
267         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
268         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
269         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
270         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
271         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
272         * config/avr/avr.c: Ditto.
273         * config/avr/avr.md: Ditto.
274
275 2012-01-25  Jason Merrill  <jason@redhat.com>
276
277         PR c++/51992
278         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
279
280 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
281
282         PR tree-optimization/51987
283         * tree-data-ref.c (get_references_in_stmt): Handle references in
284         non-volatile GIMPLE_ASM.
285
286 2012-01-25  Richard Guenther  <rguenther@suse.de>
287
288         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
289         bases are dereferenced.
290
291 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
292
293         PR rtl-optimization/48374
294         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
295
296 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
297
298         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
299         compute_data_dependences_for_loop returns false.
300         * tree-parloops.c (loop_parallel_p): Likewise.
301
302 2012-01-25  Richard Guenther  <rguenther@suse.de>
303
304         * tree.h (get_pointer_alignment_1): Declare.
305         * builtins.c (get_pointer_alignment_1): New function.
306         (get_pointer_alignment): Use it.
307
308 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
309
310         PR rtl-optimization/48308
311         * combine.c (enum undo_kind): Add UNDO_LINKS.
312         (struct undo): Add member l to other_contents and where.
313         (do_SUBST_LINK): New.
314         (SUBST_LINK): New.
315         (try_combine): Handle LOG_LINKS for the dummy i1 case.
316         (undo_all): Handle UNDO_LINKS.
317
318 2012-01-25  Richard Henderson  <rth@redhat.com>
319
320         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
321         mem inputs.
322
323 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
324
325         * optabs.c (gen_atomic_test_and_set): Use each argument.
326
327 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
328
329         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
330         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
331         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
332         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
333         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
334         TARGET_PAIRED_SINGLE_FLOAT.
335
336 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
337
338         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
339         (in_struct, return_val): Remove MEM documentation.
340         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
341         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
342         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
343         and MEM_SCALAR.
344         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
345         * cfgexpand.c (add_alias_set_conflicts): Likewise.
346         * expr.c (store_field): Likewise.
347         * function.c (assign_stack_temp_for_type): Likewise.
348         * ifcvt.c (noce_try_cmove_arith): Likewise.
349         * reload1.c (reload): Likewise.
350         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
351         (alpha_set_memflags): Likewise.
352         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
353
354 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
355
356         * rtl.h (true_dependence, canon_true_dependence): Remove varies
357         parameter.
358         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
359         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
360         (true_dependence_1, true_dependence, canon_true_dependence): Remove
361         varies parameter.
362         * cselib.c (cselib_rtx_varies_p): Delete.
363         (cselib_invalidate_mem): Update call to canon_true_dependence.
364         * dse.c (record_store, check_mem_read_rtx): Likewise.
365         (scan_reads_nospill): Likewise.
366         * cse.c (check_dependence): Likewise.
367         (cse_rtx_varies_p): Delete.
368         * expr.c (safe_from_p): Update call to true_dependence.
369         * ira.c (validate_equiv_mem_from_store): Likewise.
370         (memref_referenced_p): Likewise.
371         * postreload-gcse.c (find_mem_conflicts): Likewise.
372         * sched-deps.c (sched_analyze_2): Likewise.
373         * store-motion.c (load_kills_store): Likewise.
374         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
375         * gcse.c (mems_conflict_for_gcse_p): Likewise.
376         (compute_transp): Update call to canon_true_dependence.
377
378 2012-01-25  Richard Henderson  <rth@redhat.com>
379
380         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
381         (maybe_emit_atomic_test_and_set): New.
382         (expand_sync_lock_test_and_set): Use it.
383         (expand_atomic_test_and_set): Likewise.
384         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
385         the implementation; clarify implementation defined details.
386         * doc/md.texi (atomic_test_and_set): Document.
387
388 2012-01-25  Richard Henderson  <rth@redhat.com>
389
390         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
391
392 2012-01-25  Richard Henderson  <rth@redhat.com>
393
394         PR target/51968
395         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
396         to effect no-op split.
397
398 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
399
400         PR lto/51698
401         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
402         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
403         (BT_FN_VOID_PTR_INT_SIZE): New.
404         (BT_FN_UINT_UINT_VAR): Remove.
405         (BT_FN_UINT32_UINT32_VAR): New.
406         (BT_FN_DOUBLE_VPTR): Remove.
407         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
408
409         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
410         (_ITM_changeTransactionMode): Same.
411         (_ITM_memmoveRtWt): Change return type to void.
412         (_ITM_memcpyRtWt): Same.
413         (_ITM_memsetW): Same.
414         (_ITM_RaRD): Change types to double.
415         (_ITM_RD): Same.
416         (_ITM_RaWD): Same.
417         (_ITM_RfWD): Same.
418
419         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
420
421 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
422             Patrick Marlier  <patrick.marlier@gmail.com>
423
424         * trans-mem.c (requires_barrier): Do not instrument thread local
425         variables and emit save/restore for them.
426
427 2012-01-24  Jason Merrill  <jason@redhat.com>
428
429         PR c++/51812
430         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
431         output static aliases.
432
433 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
434
435         PR driver/47249
436         * common.opt (-pie, -shared, pie, shared): Change from Common to
437         Driver.
438         * gcc.c (display_help): Display help for -pie and -shared.
439
440 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
441
442         PR target/49868
443         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
444         Remove note on size/offset limitation.
445         (AVR Variable Attributes): Add example how to read data located
446         with progmem.  Refer to named address spaces.
447         * doc/invoke.texi (AVR Options): Fix typo.
448
449 2012-01-24  Richard Guenther  <rguenther@suse.de>
450
451         Forward-port to trunk
452         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
453
454         PR middle-end/45678
455         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
456         op0 isn't sufficiently aligned and there is movmisalignM
457         insn for mode, use it to load op0 into a temporary register.
458
459 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
460
461         PR target/51957
462         * target.def (const_not_ok_for_debug_p): New hook.
463         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
464         documentation.
465         * doc/tm.texi: Regenerated.
466         * dwarf2out.c (const_ok_for_output_1): If
467         targetm.const_not_ok_for_debug_p returns true, fail.
468         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
469         function.
470         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
471
472 2012-01-23  Kai Tietz  <ktietz@redhat.com>
473
474         PR target/51900
475         * config/i386/predicates.md (symbolic_operand): Allow
476         UNSPEC_PCREL as PIC expression for lea.
477         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
478         * config/i386/i386.c (ix86_delegitimize_address): Handle
479         UNSPEC_PCREL for none-MEM, too.
480
481 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
482
483         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
484         (ipa_tm_create_version_alias): Same.
485
486 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
487
488         PR libitm/51830
489         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
490         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
491
492 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
493             Patrick Marlier  <patrick.marlier@gmail.com>
494             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
495
496         PR lto/51916
497         * lto-wrapper.c (run_gcc): Pass the LTO section name to
498         simple_object_start_read.
499
500 2012-01-23  Richard Guenther  <rguenther@suse.de>
501
502
503         PR tree-optimization/51895
504         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
505         parameter decomposition into BLKmode components.
506
507 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
508
509         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
510         fake variables for restrict-qualified pointers whose pointed-to type
511         contains a placeholder.
512
513 2012-01-23  Richard Guenther  <rguenther@suse.de>
514
515         PR tree-optimization/51949
516         * ipa-split.c (execute_split_functions): Do not split malloc functions.
517
518 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
519
520         PR rtl-optimization/51933
521         * ree.c (transform_ifelse): Return true right away if dstreg is
522         already wider or equal to cand->mode.
523         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
524         (make_defs_and_copies_lists): Remove defs_list and copies_list
525         arguments, add state argument, just truncate state->work_list
526         instead of always allocating and freeing the vector.  Assert that
527         get_defs succeeds instead of returning 2.  Changed return type to bool.
528         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
529         have ext_src_mode, see if it has been modified already with the
530         right kind of extension and has been extended before from the
531         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
532         just return true.  Remember the original mode in state->modified array.
533         (combine_reaching_defs): Add state argument.  Don't allocate and
534         free here def_list, copied_list and vec vectors, instead just
535         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
536         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
537         Add state variable, clear vectors in it, initialize state.modified
538         if needed.  Free all the vectors at the end and state.modified too.
539         Don't skip a candidate if the extension expression has been modified.
540
541 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
542
543         PR target/47096
544         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
545          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
546         (extra_options) interix.opt -> i386/interix.opt"
547         (extra_objs):Add winnt-stubs.o
548         * configure.ac: Add interix to target_os .comm on PE check.
549         * configure: Regenerate.
550         * config/interix3.h: Delete and move bits to..
551         * config/interix.h: Delete and move bits to..
552         * config/i386/i386-interix3.h: Delete and move bits to..
553         * config/i386/i386-interix.h: ..here.
554         (TARGET_CPU_DEFAULT): Remove redefinition.
555         (TARGET_ASM_CONSTRUCTOR): Undefine.
556         (SUBTARGET_SWITCHES): Define for ms-bitfields.
557         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
558         (PTRDIFF_TYPE): Define.
559         (LONG_DOUBLE_TYPE_SIZE): Define.
560         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
561         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
562         (TARGET_SECTION_TYPE_FLAGS): Define.
563         (ASM_DECLARE_FUNCTION_NAME): Define.
564         (ASM_OUTPUT_EXTERNAL): Define.
565         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
566         (ASM_OUTPUT_ALIGNED_BSS): Define.
567         (PCC_BITFIELD_TYPE_MATTERS): Define.
568         (USE_CONST_SECTION): Define.
569         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
570         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
571         (SUPPORTS_ONE_ONLY): Remove.
572         (I386_PE_STRIP_ENCODING): Define.
573         * config/interix.opt: Delete and move bits to..
574         * config/i386/interix.opt: ..here. New.
575         (mpe-aligned-commons): Add.
576         * config/i386/t-interix: Add copyright header.
577         (winnt-stubs.o): Add rule.
578
579 2012-01-22  Jason Merrill  <jason@redhat.com>
580
581         PR c++/51832
582         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
583         for extra name aliases.
584
585 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
586
587         PR rtl-optimization/51924
588         * ree.c (combine_set_extension): Improve debugging message.
589         (combine_reaching_defs): Likewise.
590         (get_defs): Rename confusingly named variable.
591         (find_and_remove_re): Skip a candidate if the extension expression has
592         been modified.
593
594 2012-01-21  Robert Millan  <rmh@gnu.org>
595             Gerald Pfeifer  <gerald@pfeifer.com>
596
597         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
598         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
599
600 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
601
602         PR tree-optimization/51914
603         * tree-vect-stmts.c (vectorizable_conversion): For
604         cvt_type && modifier == WIDEN, put temporary with cvt_type
605         at the beginning of vec_dsts and set vec_dest to temporary
606         with vectype_out.
607
608 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
609
610         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
611
612 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
613
614         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
615         * config/rs6000/rs6000.c: Likewise.
616
617 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
618
619         PR target/51915
620         * config/arm/arm.c (arm_count_output_move_double_insns): Call
621         output_move_double on a copy of operands array.
622
623 2012-01-20  Cary Coutant  <ccoutant@google.com>
624             Dodji Seketeli  <dodji@redhat.com>
625
626         PR debug/45682
627         * dwarf2out.c (copy_declaration_context): Return ref to parent
628         of declaration DIE, if necessary.
629         (remove_child_or_replace_with_skeleton): Add new parameter; update
630         caller.  Place skeleton DIE under parent DIE of original declaration.
631         Move call to copy_declaration_context to here ...
632         (break_out_comdat_types): ... from here.
633
634 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
635
636         PR rtl-optimization/51856
637         * reload.c (find_reloads_subreg_address): Set the address_reloaded
638         flag to reloaded.
639
640 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
641
642         PR target/51819
643         * config/arm/arm.c (arm_print_operand): Correct output of alignment
644         hints for neon loads and stores.
645
646 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
647
648         PR target/49868
649         PR target/50887
650         * doc/extend.texi (Named Address Spaces): Split into subsections.
651         (AVR Named Address Spaces): New subsection.
652         (M32C Named Address Spaces): New subsection.
653         (RL78 Named Address Spaces): New subsection.
654         (SPU Named Address Spaces): New subsection.
655         (Variable Attributes): New anchor "AVR Variable Attributes".
656         (AVR Variable Attributes): Rewrite and avoid wording
657         "address space" in this context.
658         * doc/invoke.texi (AVR Options): Rewrite and add documentation
659         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
660         (AVR Built-in Macros): New subsubsection therein.
661         * doc/md.texi (AVR constraints): Remove "C04", "R".
662
663 2012-01-20  Richard Guenther  <rguenther@suse.de>
664
665         PR tree-optimization/51903
666         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
667         when removing stmts.
668
669 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
670
671         PR target/50313
672         * config/arm/arm.c (arm_load_pic_register): Use
673         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
674         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
675         (arm_pic_static_addr): Likewise.
676         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
677         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
678         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
679         (pic_load_addr_unified): New.
680
681 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
682
683         PR target/51106
684         * function.c (instantiate_virtual_regs_in_insn): Use
685         delete_insn_and_edges when removing a wrong asm insn.
686
687 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
688
689         PR rtl-optimization/40761
690         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
691         Add new member loop_num.
692         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
693         (ira_build): Remove the parameter.
694
695         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
696         (ira.c): Do not build CFG loops for one region allocation.  Remove
697         argument from ira_build call.
698
699         * ira-build.c (init_loop_tree_node): New function.
700         (create_loop_tree_nodes): Use it.  Separate the case when CFG
701         loops are not built.
702         (more_one_region_p): Check current_loops.
703         (finish_loop_tree_nodes): Separate the case when CFG loops are not
704         built.
705         (add_loop_to_tree): Process loop equal to NULL too.
706         (form_loop_tree): Separate the case when CFG loops are not built.
707         Use explicitly number for the root.
708         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
709         an assertion.
710         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
711         instead of loop->num.
712         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
713         (mark_all_loops_for_removal): Ditto.
714         (remove_unnecessary_regions): Separate the case when CFG loops
715         are not built.
716         (ira_build): Remove the parameter.  Use explicit number of regions
717         when CFG loops are not built.
718
719         * ira-color.c (print_loop_title): Separate the case for the root node.
720         Use loop_num instead of loop->num.
721         (move_spill_restore): Use loop_num instead of loop->num.
722
723         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
724         (change_loop): Ditto.
725         (change_loop): Use loop_num instead of loop->num.
726
727         * ira-lives.c (process_bb_node_lives): Ditto.
728
729         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
730
731         * ira-conflicts.c (print_allocno_conflicts): Ditto.
732
733 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
734
735         PR libmudflap/40778
736         * tree-mudflap.c (mf_artificial): New function.
737         (execute_mudflap_function_ops, execute_mudflap_function_decls,
738         mx_register_decls, mudflap_enqueue_decl): Use it.
739
740         PR target/51876
741         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
742         numbers in the insn pattern.
743
744 2012-01-19  Michael Matz  <matz@suse.de>
745
746         PR tree-optimization/46590
747         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
748         use it in remembering which conflicts we already created.
749         (add_scope_conflicts): Adjust call to above, (de)allocate helper
750         bitmap.
751
752 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
753
754         PR lto/51280
755         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
756         (merge_and_complain): Same.
757
758 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
759
760         PR bootstrap/50237
761         * config/initfini-array.h: Guard content of the header
762         with #ifdef HAVE_INITFINI_ARRAY.
763         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
764         Add initfini-array.h to tm_file here.
765         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
766         * config.gcc: Don't add initfini-array.h to tm_file here.
767         * configure: Regenerated.
768
769 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
770
771         PR rtl-optimization/51505
772         * df-problems.c (df_kill_notes): New parameter live. Update comment.
773         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
774         (df_note_bb_compute): Update the call to df_kill_notes.
775
776 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
777
778         * trans-mem.c (requires_barrier): Remove call to is_global_var.
779
780 2012-01-18  Richard Guenther  <rguenther@suse.de>
781
782         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
783         of conversions to void *.
784
785 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
786             Richard Sandiford  <rdsandiford@googlemail.com>
787
788         PR middle-end/50325
789         PR middle-end/51192
790         * optabs.h (simplify_expand_binop): Declare.
791         * optabs.c (simplify_expand_binop): Make global.
792         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
793         endian targets if the source cannot be exactly covered by word
794         mode chunks.
795
796 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
797
798         PR bootstrap/51872
799         * hard-reg-set.h (struct hard_reg_set_container): New type.
800         * target.h (struct hard_reg_set_container): Forward declare.
801         * target.def (set_up_by_prologue): New target hook.
802         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
803         * doc/tm.texi: Regenerated.
804         * function.c (thread_prologue_and_epilogue_insns): Change
805         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
806         Call targetm.set_up_by_prologue on it.
807         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
808         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
809
810 2012-01-17  Nick Clifton  <nickc@redhat.com>
811
812         * config/rx/rx.c (rx_can_use_simple_return): New function.
813         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
814         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
815
816 2012-01-17  Richard Guenther  <rguenther@suse.de>
817
818         PR middle-end/51782
819         * expr.c (expand_assignment): Take address-space information
820         from the address operand of MEM_REF and TARGET_MEM_REF.
821         (expand_expr_real_1): Likewise.
822
823 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
824
825         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
826         reload dump is requested.
827
828 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
829
830         PR other/51165
831         * trans-mem.c (requires_barrier): Call may_be_aliased.
832
833 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
834
835         PR tree-optimization/51877
836         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
837         call arguments and fndecls compare equal, instead return false if they
838         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
839         both SSA_NAMEs that are valueized the same, or they satisfy
840         operand_equal_p.
841
842 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
843
844         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
845         Solaris 11+.
846         * configure: Regenerate.
847
848 2012-01-16  Jan Hubicka  <jh@suse.cz>
849
850         PR c/12245
851         PR c++/14179
852         * convert.c (convert_to_integer): Use fold_convert for
853         converting an INTEGER_CST to integer type.
854
855 2012-01-16  Jason Merrill  <jason@redhat.com>
856
857         PR c++/14179
858         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
859
860 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
861
862         PR bootstrap/51860
863         * config/s390/s390.c (s390_chunkify_start): Don't skip
864         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
865         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
866         If insn is followed by NOTE_INSN_VAR_LOCATION or
867         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
868         Don't use location of note insns.
869
870         PR tree-optimization/51865
871         * tree-inline.c (tree_function_versioning): Call remap_decl
872         on DECL_RESULT whenever it has VOID_TYPE_P type.
873
874 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
875
876         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
877         for calls to locally-binding MIPS16 functions if only the return
878         type uses float regs.
879
880 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
881             Richard Sandiford  <rdsandiford@googlemail.com>
882
883         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
884         (SYMBOL_32_HIGH): Likewise.
885         (mips_output_tls_reloc_directive): Declare.
886         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
887         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
888         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
889         (mips_lo_relocs, mips_hi_relocs): Make extern.
890         (mips16_stub_function): Move up file.
891         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
892         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
893         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
894         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
895         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
896         (mips_get_tp): Add MIPS16 support.
897         (mips_legitimize_tls_address): Remove MIPS16 sorry().
898         Generalize DTPREL and TPREL handling.
899         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
900         Add MIPS16 TLS support.
901         (mips_output_tls_reloc_directive): New function.
902         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
903         * config/mips/predicates.md (symbolic_operand_with_high)
904         (tls_reloc_operand): New predicates.
905         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
906         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
907         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
908         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
909         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
910         (*tls_get_tp_mips16_call_<mode>): Likewise.
911
912 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
913
914         PR rtl-optimization/51821
915         * recog.c (peep2_find_free_register): Determine clobbered registers
916         from insn pattern.
917
918 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
919
920         PR target/50925
921         * config/avr/avr-protos.h: Revert change of 2012-01-09.
922         * config/avr/avr.c: Likewise.
923         * config/avr/avr.h: Likewise.
924
925 2012-01-13  Ian Lance Taylor  <iant@google.com>
926
927         PR c++/50012
928         * tree.h (TYPE_QUALS): Add cast to int.
929         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
930
931 2012-01-13  Ian Lance Taylor  <iant@google.com>
932
933         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
934         comparing param_index to VEC_length result.
935
936 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
937
938         * c-decl.c: Do not include tree-mudflap.h
939         * tree-optimize.c: Likewise.
940         * Makefile.in: Update dependencies.
941
942 2012-01-13  Richard Guenther  <rguenther@suse.de>
943
944         PR middle-end/8081
945         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
946         variable-sized result always use RSO.
947
948 2012-01-12  DJ Delorie  <dj@redhat.com>
949
950         * cfgexpand.c (convert_debug_memory_address): Allow any valid
951         pointer type, not just the default pointer type.
952
953 2012-01-09  Richard Henderson  <rth@redhat.com>
954             Denis Chertykov  <chertykov@gmail.com>
955
956         PR target/50925
957         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
958         * config/avr/avr.c (avr_can_eliminate): Simplify.
959         (avr_initial_elimination_offset): Likewise.
960         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
961         (expand_epilogue): Likewise.
962         (avr_legitimize_address): Gut.
963         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
964         (avr_hard_regno_nregs): New.
965         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
966         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
967         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
968         add soft frame pointer.
969         (CALL_USED_REGISTERS): Likewise.
970         (REG_CLASS_CONTENTS): Likewise.
971         (REGISTER_NAMES): Likewise.
972         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
973         (HARD_FRAME_POINTER_REGNUM): New.
974         (FRAME_POINTER_REGNUM): Use soft frame pointer.
975         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
976         remove the HARD_FRAME_POINTER self-elimination.
977
978 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
979
980         PR target/51756
981         * config/avr/avr.c (avr_encode_section_info): Test for absence of
982         DECL_EXTERNAL when checking for initializers of progmem variables.
983
984 2012-01-12  Ira Rosen  <irar@il.ibm.com>
985
986         PR tree-optimization/51799
987         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
988         that the last operation is a type demotion.
989
990 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
991
992         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
993         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
994
995 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
996
997         PR bootstrap/51796
998         * combine.c (distribute_notes): If i3 is a noreturn call,
999         allow old_size to be equal to args_size and make sure the
1000         noreturn call gets REG_ARGS_SIZE note.
1001         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1002         on noreturn calls even when the delta is 0.
1003
1004 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1005
1006         * gcov.c (STRING_SIZE): Remove.
1007         (generate_results): Erase annotations for source files with no
1008         coverage information.
1009         (read_line): New.
1010         (output_lines): Use it.
1011
1012 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1013
1014         * gimple.h (gimplify_body): Remove first argument.
1015         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1016         pointer set here, instead just pass DATA to walk_tree.
1017         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1018         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1019         (unvisit_body): Likewise, but with unmark_visited.
1020         (gimplify_body): Remove BODY_P argument and adjust.
1021         (gimplify_function_tree): Adjust call to gimplify_body.
1022         * omp-low.c (finalize_task_copyfn): Likewise.
1023
1024 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1025
1026         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1027         (build_function_type_skip_args): Delete.
1028         * tree.c (build_function_type_skip_args): Make static and add
1029         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1030         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1031         pass it to build_function_type_skip_args.
1032         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1033         (tree_function_versioning): Likewise.
1034         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1035         build_function_decl_skip_args.
1036         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1037         and pass it to build_function_decl_skip_args/tree_function_versioning.
1038         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1039         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1040         * trans-mem.c (ipa_tm_create_version): Likewise.
1041         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1042         * tree-inline.c (declare_return_variable): Remove always-true test.
1043         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1044         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1045         * ipa-split.c (split_function): Skip the return value for the split
1046         part if it doesn't return.
1047
1048 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1049
1050         PR tree-optimization/49642
1051         * ipa-split.c (forbidden_dominators): New variable.
1052         (check_forbidden_calls): New function.
1053         (dominated_by_forbidden): Likewise.
1054         (consider_split): Check for forbidden dominators.
1055         (execute_split_functions): Initialize and free forbidden
1056         dominators info; call check_forbidden_calls.
1057
1058 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1059
1060         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1061
1062 2012-01-11  Nick Clifton  <nickc@redhat.com>
1063
1064         * config/rx/rx.md (return): Define pattern.
1065
1066 2012-01-11  Richard Guenther  <rguenther@suse.de>
1067
1068         * doc/extend.texi (malloc attribute): Adjust according to
1069         implementation.
1070
1071 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1072             Patrick Marlier  <patrick.marlier@gmail.com>
1073
1074         PR middle-end/51516
1075         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1076         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1077         (ipa_tm_note_irrevocable): Same.
1078         (ipa_tm_scan_irr_block): Same.
1079         (ipa_tm_decrement_clone_counts): Same.
1080         (ipa_tm_scan_irr_function): Same.
1081         (ipa_tm_create_version_alias): Same.
1082         (ipa_tm_create_version): Same.
1083         (ipa_tm_transform_calls_redirect): Same.
1084         (ipa_tm_transform_calls): Same.
1085         (ipa_tm_transform_transaction): Same.
1086         (ipa_tm_execute): Same.
1087
1088 2012-01-10  Richard Guenther  <rguenther@suse.de>
1089
1090         PR middle-end/51806
1091         * opts.c (common_handle_option): Handle -Werror.
1092
1093 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1094
1095         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1096         operand number.
1097
1098 2012-01-10  Jason Merrill  <jason@redhat.com>
1099
1100         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1101         information.
1102
1103 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1104
1105         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1106         supports R_386_TLS_GD_PLT reloc.
1107         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1108         supports R_386_TLS_LDM_PLT reloc.
1109         * configure: Regenerate.
1110         * config.in: Regenerate.
1111
1112 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1113
1114         PR target/49868
1115         Extend __pgmx semantics to linearize memory.
1116         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1117         determine if code comes inline or from libgcc.
1118         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1119         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1120         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1121         (movmemx_qi, movmemx_hi): New insns.
1122         (xload_<mode>_libgcc): Rewrite to new insn condition.
1123         (xload_<mode>): Remove insns.
1124         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1125         cases that don't satisfy avr_xload_libgcc_p().
1126         (avr_addr_space_convert): Allow converting in any direction.
1127         (avr_addr_space_subset_p): Return always true.
1128         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1129         (avr_emit_movmemhi): Ditto.
1130         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1131         (avr_out_movmem): Ditto.
1132         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1133         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1134         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1135         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1136         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1137
1138 2012-01-10  Richard Guenther  <rguenther@suse.de>
1139
1140         PR tree-optimization/50913
1141         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1142         Require data-refs to be representable by Graphite with respect
1143         to any loop nest.
1144
1145 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1146
1147         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1148         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1149
1150 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1151
1152         PR rtl-optimization/51271
1153         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1154         handling annulled branch.
1155
1156 2012-01-10  Richard Henderson  <rth@redhat.com>
1157
1158         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1159         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1160         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1161         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1162         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1163         arm_expand_vec_perm_const): New.
1164         * config/arm/arm-protos.h: Update.
1165         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1166         (*neon_vswp<VDQX>): New.
1167         (neon_vcombine<VDX>): Use neon_split_vcombine.
1168         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1169         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1170         (vec_perm<VE>): New.
1171
1172 2012-01-10  Richard Henderson  <rth@redhat.com>
1173
1174         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1175         use it if reload_completed.
1176         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1177         arm_output_asm_insn, arm_process_output_memory_barrier,
1178         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1179         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1180         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1181         arm_process_output_sync_insn, arm_output_sync_insn,
1182         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1183         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1184         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1185         (emit_unlikely_jump): New.
1186         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1187         (arm_split_atomic_op): New.
1188         * config/arm/arm-protos.h: Update.
1189         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1190         (struct arm_sync_generator): Remove.
1191         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1192         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1193         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1194         (VUNSPEC_LL, VUNSPEC_SC): New.
1195         (sync_result, sync_memory, sync_required_value, sync_new_value,
1196         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1197         (attr length): Don't use arm_sync_loop_insns.
1198         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1199         (movsfcc, movdfcc): Likewise.
1200         * config/arm/constraints.md (Ua): New.
1201         * config/arm/prediates.md (mem_noofs_operand): New.
1202         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1203         (sync_clobber, sync_t2_reqd): Remove.
1204         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1205         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1206         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1207         (arm_sync_compare_and_swap<SIDI>): Remove.
1208         (arm_sync_compare_and_swap<NARROW>): Remove.
1209         (arm_sync_lock_test_and_set<SIDI>): Remove.
1210         (arm_sync_lock_test_and_set<NARROW>): Remove.
1211         (arm_sync_new_<syncop><SIDI>): Remove.
1212         (arm_sync_new_<syncop><NARROW>): Remove.
1213         (arm_sync_new_nand<SIDI>): Remove.
1214         (arm_sync_new_nand<NARROW>): Remove.
1215         (arm_sync_old_<syncop><SIDI>): Remove.
1216         (arm_sync_old_<syncop><NARROW>): Remove.
1217         (arm_sync_old_nand<SIDI>): Remove.
1218         (arm_sync_old_nand<NARROW>): Remove.
1219         (*memory_barrier): Merge arm_output_memory_barrier.
1220         (atomic_compare_and_swap<QHSD>): New.
1221         (atomic_compare_and_swap<NARROW>_1): New.
1222         (atomic_compare_and_swap<SIDI>_1): New.
1223         (atomic_exchange<QHSD>): New.
1224         (cas_cmp_operand, cas_cmp_str): New.
1225         (atomic_op_operand, atomic_op_str): New.
1226         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1227         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1228         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1229         (arm_load_exclusive<NARROW>): New.
1230         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1231         (arm_store_exclusive<QHSD>): New.
1232
1233 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1234
1235         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1236         reload patterns if -mvsx-scalar-memory.
1237
1238         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1239         generated, even -mno-vsx-scalar-double was used.
1240         (vsx_xscvdpsp_scalar): Likewise.
1241         (vsx_xscvspdp_scalar2): Likewise.
1242
1243 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1244             Andrew Pinski  <apinski@cavium.com>
1245
1246         PR debug/51471
1247         * reorg.c (fill_slots_from_thread): Don't speculate
1248         frame-related insns.
1249
1250 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1251
1252         * sched-int.h (bb_note): Move to...
1253         * basic-block.h: ...here.
1254         * haifa-sched.c (bb_note): Move to...
1255         * cfgrtl.c: ...here.
1256         * function.c (next_block_for_reg): New function.
1257         (move_insn_for_shrink_wrap): Likewise.
1258         (prepare_shrink_wrap): Rewrite to use the above.
1259
1260 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1261
1262         * gimple.c (is_gimple_non_addressable): Remove.
1263         * gimple.h: Remove is_gimple_non_addressable.
1264         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1265         is_gimple_non_addressable.
1266         * trans-mem.c (expand_assign_tm): Same.
1267
1268 2012-01-09  Richard Guenther  <rguenther@suse.de>
1269
1270         PR tree-optimization/51775
1271         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1272         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1273
1274 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1275
1276         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1277         tuning parameters.
1278         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1279
1280 2012-01-09  Richard Guenther  <rguenther@suse.de>
1281
1282         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1283
1284 2012-01-08  Jan Hubicka  <jh@suse.cz>
1285
1286         PR tree-optimize/51680
1287         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1288         on when known_vals needs to be computed; cleanup.
1289
1290 2012-01-08  Jan Hubicka  <jh@suse.cz>
1291
1292         PR tree-optimize/51694
1293         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1294
1295 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1296
1297         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1298         for -std=c++98 and -std=c++11 too.
1299
1300 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1301
1302         * cfgloop.c (cancel_loop): Add free() of bbs array.
1303
1304 2012-01-07  Jan Hubicka  <jh@suse.cz>
1305
1306         PR tree-optimization/51600
1307         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1308         that benefits small functions.
1309
1310 2012-01-07  Jan Hubicka  <jh@suse.cz>
1311
1312         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1313
1314 2012-01-07  Jan Hubicka  <jh@suse.cz>
1315
1316         PR tree-optimization/51680
1317         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1318         whose inlining reduce unit size.
1319
1320 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1321
1322         PR bootstrap/51725
1323         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1324         Add canonical node to containing_mem chain after the non-canonical
1325         one, even if there weren't any locs to propagate.
1326         (remove_useless_values): Keep only canonical values.
1327         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1328         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1329         canonicalize mem_chain elements that are not discarded.
1330
1331 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1332
1333         PR target/47333
1334         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1335         before emitting functions.
1336
1337         PR gcov-profile/50127
1338         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1339         clear_aux_for_blocks.
1340
1341 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1342
1343         PR debug/51746
1344         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1345
1346 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1347
1348         * c-decl.c (ext_block): Moved up.
1349         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1350
1351 2012-01-06  Han Shen  <shenhan@google.com>
1352
1353         Translate built-in include paths for sysroot.
1354         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1355         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1356
1357         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1358         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1359
1360         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1361         control whether sysroot should be prepended to gxx include dir.
1362
1363         * configure: Regenerate.
1364
1365 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1366
1367         PR rtl-optimization/51771
1368         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1369         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1370
1371 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1372
1373         PR tree-optimization/51315
1374         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1375         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1376
1377 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1378
1379         PR target/51681
1380         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1381         for shrp pattern.  Correctly handle and fixup shift variable.
1382         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1383
1384 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1385
1386         PR debug/51762
1387         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1388         note when !ACCUMULATE_OUTGOING_ARGS.
1389
1390 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1391
1392         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1393         condition.
1394         (extract_range_from_unary_expr_1): Avoid useless computations.
1395
1396 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1397
1398         PR rtl-optimization/51767
1399         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1400         of jump_block and add an extra edge for degenerated asm gotos.
1401
1402         PR middle-end/51768
1403         * stmt.c (check_unique_operand_names): Don't ICE during error
1404         reporting if i is from labels chain.
1405
1406         PR middle-end/44777
1407         * profile.c (branch_prob): Split bbs that have exit edge
1408         and need a fake entry edge too.
1409
1410 2012-01-05  Jan Hubicka  <jh@suse.cz>
1411
1412         PR middle-end/49710
1413         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1414         unlooping loops.
1415
1416 2012-01-05  Richard Guenther  <rguenther@suse.de>
1417
1418         PR lto/50490
1419         * tree-streamer-out.c (write_ts_optimization): New function.
1420         (streamer_write_tree_body): Call it.
1421         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1422         (streamer_read_tree_body): Call it.
1423         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1424
1425 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1426
1427         PR middle-end/51761
1428         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1429         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1430         in_cleanup_point_expr before gimplify_stmt call and restore it
1431         afterwards.
1432         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1433         in_cleanup_point_expr is false.
1434
1435 2012-01-05  Richard Guenther  <rguenther@suse.de>
1436
1437         PR middle-end/51764
1438         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1439         to c.opt.
1440         * toplev.c (process_options): Reject combining mudflap and LTO.
1441         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1442
1443 2012-01-05  Richard Guenther  <rguenther@suse.de>
1444
1445         PR tree-optimization/51760
1446         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1447         not VARYING.
1448         (bit_value_unop): Handle UNDEFINED operands.
1449         (bit_value_binop): Likewise.
1450
1451 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1452
1453         * config/avr/avr.c (avr_replace_prefix): Remove.
1454         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1455         (avr_asm_function_rodata_section): Ditto.
1456         (avr_asm_select_section): Ditto.
1457
1458 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1459
1460         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1461         insertion.
1462
1463 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1464
1465         PR bootstrap/51648
1466         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1467         calls that have any non-fake successor edges.
1468
1469         PR debug/51746
1470         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1471
1472 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1473
1474         PR tree-optimization/51624
1475         * tree-sra.c (build_ref_for_model): When replicating a chain of
1476         COMPONENT_REFs, stop as soon as the offset would become negative.
1477
1478 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1479
1480         PR debug/51695
1481         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1482         in .debug_loc on the floor.
1483
1484 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1485
1486         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1487
1488 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1489             Adam Nemet  <anemet@caviumnetworks.com>
1490
1491         * config/mips/mips.md (size): Add SI and DI.
1492         (SIZE): New mode attribute.
1493         (U): New code attribute.
1494         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1495         (mips_lbux_<mode>): Delete.
1496         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1497         (mips_lhx): Use gen_mips_lhx_extsi.
1498         (mips_lhx_<mode>): Delete.
1499         (mips_lwx): Delete.
1500         (mips_l<size>x): New expand.
1501         (mips_lwx_<mode>): Delete.
1502         (mips_l<GPR:size>x_<P:mode>): New pattern.
1503         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1504         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1505         * config/mips/mips.c (mips_lx_address_p): New function.
1506         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1507         (dsp64): New availability predicate.
1508         (mips_builtins): Add an entry for __builtin_mips_ldx.
1509         * config/mips/mips.h (ISA_HAS_LBX): New define.
1510         (ISA_HAS_LBUX): Likewise.
1511         (ISA_HAS_LHX): Likewise.
1512         (ISA_HAS_LHUX): Likewise.
1513         (ISA_HAS_LWX): Likewise.
1514         (ISA_HAS_LWUX): Likewise.
1515         (ISA_HAS_LDX): Likewise.
1516         * doc/extend.texi (__builtin_mips_ldx): Document.
1517
1518 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1519
1520         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1521         when long pointers are used.
1522         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1523         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1524         (ia64-hp-*vms*): Remove.
1525         * config/vms/xm-vms64.h: Delete.
1526
1527 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1528
1529         PR middle-end/51472
1530         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1531
1532 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1533
1534         * opts.c (finish_options): Remove duplicate sorry.
1535
1536 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1537
1538         PR middle-end/51696
1539         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1540         correctly.
1541
1542 2012-01-04  Richard Guenther  <rguenther@suse.de>
1543
1544         PR middle-end/51750
1545         * tree.c (size_low_cst): New function.
1546         * tree.h (size_low_cst): Declare.
1547         * fold-const.c (fold_comparison): Use it to extract the low
1548         part of the POINTER_PLUS_EXPR offset.
1549
1550 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1551
1552         Fix clearing ZERO_REG
1553         * config/avr/avr.md (cc): Add alternative "ldi".
1554         (movqi_insn): Use it in cc attribute.
1555         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1556         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1557         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1558
1559 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1560
1561         * configure: Regenerate.
1562
1563 2012-01-04  Richard Guenther  <rguenther@suse.de>
1564
1565         PR tree-optimization/49651
1566         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1567         (var_can_have_subvars): Use it.
1568         (get_constraint_for_1): Only consider subfields if there can be any.
1569
1570 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1571
1572         PR bootstrap/51725
1573         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1574         to its new canonical_cselib_val and the cselib_val was in
1575         first_containing_mem chain, but the canonical_cselib_val was not,
1576         add the latter into the chain.
1577         (cselib_invalidate_mem): Compare canonical_cselib_val of
1578         addr_list chain elt with v.
1579
1580         PR pch/51722
1581         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1582         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1583         of xstrdup.
1584         (output_macinfo_op): Don't ggc_strdup fd->filename.
1585         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1586         then ggc_strdup it.  Don't free inc->info or cur->info.
1587         (output_macinfo): Don't free ref->info or file->info.
1588
1589 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1590
1591         PR tree-optimization/51269
1592         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1593         first_niters a pointer.
1594         (slpeel_tree_peel_loop_to_edge): Likewise.
1595         (vect_do_peeling_for_loop_bound): Update call to
1596         slpeel_tree_peel_loop_to_edge.
1597         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1598         here.  Remove it from the parameters list.
1599         (vect_do_peeling_for_alignment): Update calls and compute
1600         wide_prolog_niters.
1601
1602 2012-01-03  Richard Guenther  <rguenther@suse.de>
1603
1604         PR tree-optimization/51070
1605         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1606         Properly handle calls.
1607
1608 2012-01-03  Richard Guenther  <rguenther@suse.de>
1609
1610         PR tree-optimization/51692
1611         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1612         the LHS of allocation stmts.
1613
1614 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1615
1616         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1617
1618 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1619
1620         * collect2.c (main): In AIX specific computations for vector
1621         insertions, use CONST_CAST2 to cast from char ** to const char **.
1622
1623 2012-01-03  Richard Guenther  <rguenther@suse.de>
1624
1625         PR debug/51650
1626         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1627         the context of a limbo DIE when it does not already exist.
1628
1629 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1630
1631         PR tree-optimization/51719
1632         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1633         but direct call is, clear direct call's lhs and don't add fallthrough
1634         edge from dcall_bb to join_bb and PHIs.
1635
1636 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1637
1638         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1639         the instructions emitted by the pattern.
1640         ("*TDC_insn_<mode>"): Add comment.
1641
1642 2012-01-03  Richard Guenther  <rguenther@suse.de>
1643
1644         PR middle-end/51730
1645         * fold-const.c (fold_comparison): Properly canonicalize
1646         tree offset and HOST_WIDE_INT bit position.
1647
1648 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1649
1650         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1651         operands for extzv pattern.
1652
1653 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1654
1655         PR bootstrap/51725
1656         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1657         on mem_elt first.
1658
1659 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1660
1661         * doc/invoke.texi (-flto and related options): Copy-edit.
1662
1663 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1664
1665         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1666
1667 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1668
1669         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1670         New patterns.
1671
1672 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1673
1674         * expr.h (move_by_pieces_ninsns): Declare.
1675         * expr.c (move_by_pieces_ninsns): Make external.
1676         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1677         (mips_store_by_pieces_p): Likewise.
1678         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1679         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1680         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1681         (mips_store_by_pieces_p): Likewise.
1682
1683 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1684
1685         * passes.c (register_one_dump_file): Free full_name.
1686
1687         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1688         (calculate_elim_costs_all_insns): Free offsets_at and
1689         offsets_known_at at the end and clear the pointers.
1690
1691 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1692
1693         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1694         this option introduced in r180739.
1695
1696 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1697
1698         PR target/51345
1699         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1700         (tmake_file target=avr): Add avr/t-multilib.
1701
1702         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1703         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1704         * config/avr/genmultilib.awk: New file.
1705         * config/avr/t-multilib: New auto-generated file.
1706         * config/avr/multilib.h: New auto-generated file.
1707         * config/avr/t-avr (AVR_MCUS): New variable.
1708         (genopt.sh): Use it.
1709         (s-mlib): Depend on t-multilib.
1710         (t-multilib, multilib.h): New dependencies.
1711         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1712         (MULTILIB_OPTIONS): Remove.
1713         (MULTILIB_MATCHES): Remove.
1714         (MULTILIB_DIRNAMES): Remove.
1715         (MULTILIB_EXCEPTIONS): Remove:
1716         * config/avr/genopt.sh: Don't use hard coded file name;
1717         pass AVR_MCUS from t-avr instead.
1718
1719 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1720
1721         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1722
1723 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1724
1725         Implement light-weight DImode support.
1726         * config/avr/avr-dimode.md: New file.
1727         * config/avr/avr.md: Include it.
1728         (adjust_len): Add plus64, compare64.
1729         (HIDI): Remove code iterator.
1730         (code_stdname): New code attribute.
1731         (rotx, rotsmode): Remove DI.
1732         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1733         as code iterator.
1734         * config/avr/avr-protos.h (avr_have_dimode): New.
1735         (avr_out_plus64, avr_out_compare64): New.
1736         * config/avr/avr.c (avr_out_compare): Handle DImode.
1737         (avr_have_dimode): New variable definition and initialization.
1738         (avr_out_compare64, avr_out_plus64): New functions.
1739         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1740         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1741         (avr_compare_pattern): Skip DImode comparisons.
1742
1743 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1744
1745         * ddg.c (def_has_ccmode_p): New function.
1746         (add_cross_iteration_register_deps,
1747         create_ddg_dep_from_intra_loop_link): Call it.
1748
1749 2012-01-02  Richard Guenther  <rguenther@suse.de>
1750
1751         PR other/51679
1752         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1753
1754 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1755
1756         * gcc.c (process_command): Update copyright notice dates.
1757         * gcov.c (print_version): Likewise.
1758         * gcov-dump.c (print_version): Likewise.
1759         * mips-tfile.c (main): Likewise.
1760         * mips-tdump.c (main): Likewise.
1761
1762 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1763
1764         PR tree-optimization/51704
1765         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1766         a use is inside the basic block or loop before accessing its vect info.
1767
1768 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1769
1770         PR rtl-optimization/51069
1771         * cfgloopmanip.c (remove_path): Removing path making irreducible
1772         region unconditional makes BB part of the region.
1773
1774 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1775
1776         PR tree-optimization/51683
1777         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1778         calls with side-effects.
1779         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1780 \f
1781 Copyright (C) 2012 Free Software Foundation, Inc.
1782
1783 Copying and distribution of this file, with or without modification,
1784 are permitted in any medium without royalty provided the copyright
1785 notice and this notice are preserved.