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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2
3         * config/alpha/alpha.c (alpha_option_overrride): Default to
4         full IEEE compliance mode for Go language.
5
6 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
7
8         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
9         (LINK_SSP_SPEC): Define.
10
11 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12
13         PR target/51871
14         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
15         stubs.
16
17 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
18
19         * doc/invoke.texi: Correct hyphenation of "floating point",
20         "double precision", and related terminology throughout the file.
21
22 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
23
24         PR target/52006
25         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
26         arm_general_register_operand predicate for operand 2 instead of
27         register_operand.
28
29 2012-01-27  Ian Lance Taylor  <iant@google.com>
30
31         PR go/47656
32         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
33         * builtins.c (expand_builtin_init_trampoline): Add onstack
34         parameter.  Change caller.
35         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
36         * tree.c (build_common_builtin_nodes): Declare
37         __builtin_init_heap_trampoline.
38
39 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
40
41         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
42         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
43         * config/avr/avr.c: Ditto.
44         (avr_regnames): Remove because unused.
45         * config/avr/avr.md (*cpse.ne): New peephole.
46         (*cpse.eq): New peephole from former cpse peepholes.
47
48 2012-01-27  Michael Eager  <eager@eagercon.com>
49
50         * config/microblaze.c (microblaze_emit_compare): Correct
51         test after pcmp instruction.
52
53 2012-01-27  Richard Guenther  <rguenther@suse.de>
54
55         PR tree-optimization/52020
56         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
57
58 2012-01-27  Richard Guenther  <rguenther@suse.de>
59
60         * ipa-pure-const.c (check_stmt): Clobbers do not make a
61         function non-const/pure.
62
63 2012-01-27  Richard Guenther  <rguenther@suse.de>
64
65         PR tree-optimization/50444
66         * tree-sra.c (build_ref_for_offset): Properly adjust the
67         MEM_REF type for unaligned accesses.
68
69 2012-01-27  Richard Guenther  <rguenther@suse.de>
70
71         PR tree-optimization/50444
72         * expr.c (mem_ref_refers_to_non_mem_p): New function.
73         (expand_assignment): Use it.  Properly handle misaligned
74         bases when expanding stores to component references.
75         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
76         refactor that case.
77
78 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
79
80         PR middle-end/51389
81         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
82         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
83         * tree-data-ref.c (find_data_references_in_loop): Make static.
84         (compute_all_dependences): Change return type to bool.  Bail out
85         for too many datarefs in a loop.  Move the hunk resetting the data
86         dependences vector from ...
87         (compute_data_dependences_for_loop): ... here.  Account for
88         compute_all_dependences returning false.
89         (compute_data_dependences_for_bb): Likewise.
90         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
91         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
92
93 2012-01-27  Richard Guenther  <rguenther@suse.de>
94
95         PR middle-end/51959
96         * expr.c (store_field): Use the alias-set of the scratch memory
97         for storing to it.
98
99 2012-01-27  Tom de Vries  <tom@codesourcery.com>
100
101         PR tree-optimization/51990
102         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
103         WITH_SIZE_EXPR.
104         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
105
106 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
107
108         PR debug/52001
109         * var-tracking.c (reverse_op): Don't add any reverse operation
110         if V already has any constant locations.
111
112 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
113
114         * doc/invoke.texi: Correct usage of "command line" (noun)
115         vs "command-line" (adjective) throughout.
116
117 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
118
119         * doc/invoke.texi (Language Independent Options): Move
120         -Wcoverage-mismatch blurb from here....
121         (Warning Options): ...to here.
122
123 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
124
125         * config/rs6000/rs6000.c (rs6000_option_override_internal):
126         Set rs6000_always_hint to false for 476.
127
128 2012-01-27  Matthias Klose  <doko@ubuntu.com>
129
130         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
131           system root.
132         * incpath.c (add_standard_paths): Likewise.
133
134 2012-01-27  Richard Henderson  <rth@redhat.com>
135
136         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
137         * config/m68k/sync.md (atomic_test_and_set): Rename from
138         sync_test_and_setqi and adjust the operands.
139         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
140         and unconditionally enable.
141
142 2012-01-27  Richard Henderson  <rth@redhat.com>
143
144         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
145         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
146         (ldstub): Rename from ldstubqi.
147         (ldstub<I24MODE>): Remove.
148
149 2012-01-27  Richard Henderson  <rth@redhat.com>
150
151         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
152         * c-cppbuiltin.c (cpp_atomic_builtins): Define
153         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
154         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
155         * doc/tm.texi: Rebuild.
156
157 2012-01-27  Richard Henderson  <rth@redhat.com>
158
159         * optabs.c (gen_atomic_test_and_set): Remove default.
160         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
161
162 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
163
164         PR rtl-optimization/51978
165         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
166         (combine_reaching_defs): Likewise.
167         (struct re_info): Remove.
168         (add_removable_extension): Remove x and data arguments,
169         add insn, insn_list and def_map.  Use the arguments directly
170         instead of using struct re_info.
171         (find_removable_extensions): Don't call add_removable_extension
172         through note_stores, instead just call it with single_set
173         result if non-NULL.
174         (find_and_remove_re): Pass curr_cand->expr instead of
175         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
176
177 2012-01-26  Michael Matz  <matz@suse.de>
178
179         PR tree-optimization/46590
180         * cfgexpand.c: Revert last change (r183305).
181         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
182         regs.
183         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
184         checking for emptiness.
185
186 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
187
188         PR middle-end/51895
189         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
190         non-addressable non-BLKmode base correctly.
191
192 2012-01-26  Michael Matz  <matz@suse.de>
193
194         PR tree-optimization/48794
195         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
196         regions referenced from RESX/EH_DISPATCH.
197
198 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
199
200         * config/s390/s390.h: Make BRANCH_COST an option.
201         * config/s390/s390.opt: New option -mbranch-cost.
202
203 2012-01-26  Richard Henderson  <rth@redhat.com>
204
205         Revert 2012-01-24 change:
206         * trans-mem.c (requires_barrier): Do not instrument thread local
207         variables and emit save/restore for them.
208
209 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
210
211         PR middle-end/51986
212         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
213         for pat == 0.
214
215 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
216
217         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
218         ASM_OPERANDS.
219
220 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
221
222         PR target/49868
223         Rename __pgm to __flash.
224         Rename __pgm1 to __flash1.
225         Rename __pgm2 to __flash2.
226         Rename __pgm3 to __flash3.
227         Rename __pgm4 to __flash4.
228         Rename __pgm5 to __flash5.
229         Rename __pgmx to __memx.
230         * doc/extend.texi (AVR Named Address Spaces)
231         Rename address space names as indicated above.
232         * config/avr/avr.c (avr_addrspace): Ditto.
233
234         * config/avr/avr-protos.h
235         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
236         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
237         * config/avr/predicates.md: Ditto.
238         * config/avr/avr.c Ditto, and
239         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
240         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
241
242         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
243         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
244         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
245         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
246         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
247         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
248         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
249         * config/avr/avr.c: Ditto.
250         * config/avr/avr.md: Ditto.
251
252 2012-01-25  Jason Merrill  <jason@redhat.com>
253
254         PR c++/51992
255         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
256
257 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
258
259         PR tree-optimization/51987
260         * tree-data-ref.c (get_references_in_stmt): Handle references in
261         non-volatile GIMPLE_ASM.
262
263 2012-01-25  Richard Guenther  <rguenther@suse.de>
264
265         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
266         bases are dereferenced.
267
268 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
269
270         PR rtl-optimization/48374
271         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
272
273 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
274
275         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
276         compute_data_dependences_for_loop returns false.
277         * tree-parloops.c (loop_parallel_p): Likewise.
278
279 2012-01-25  Richard Guenther  <rguenther@suse.de>
280
281         * tree.h (get_pointer_alignment_1): Declare.
282         * builtins.c (get_pointer_alignment_1): New function.
283         (get_pointer_alignment): Use it.
284
285 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
286
287         PR rtl-optimization/48308
288         * combine.c (enum undo_kind): Add UNDO_LINKS.
289         (struct undo): Add member l to other_contents and where.
290         (do_SUBST_LINK): New.
291         (SUBST_LINK): New.
292         (try_combine): Handle LOG_LINKS for the dummy i1 case.
293         (undo_all): Handle UNDO_LINKS.
294
295 2012-01-25  Richard Henderson  <rth@redhat.com>
296
297         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
298         mem inputs.
299
300 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
301
302         * optabs.c (gen_atomic_test_and_set): Use each argument.
303
304 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
305
306         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
307         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
308         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
309         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
310         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
311         TARGET_PAIRED_SINGLE_FLOAT.
312
313 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
314
315         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
316         (in_struct, return_val): Remove MEM documentation.
317         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
318         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
319         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
320         and MEM_SCALAR.
321         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
322         * cfgexpand.c (add_alias_set_conflicts): Likewise.
323         * expr.c (store_field): Likewise.
324         * function.c (assign_stack_temp_for_type): Likewise.
325         * ifcvt.c (noce_try_cmove_arith): Likewise.
326         * reload1.c (reload): Likewise.
327         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
328         (alpha_set_memflags): Likewise.
329         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
330
331 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
332
333         * rtl.h (true_dependence, canon_true_dependence): Remove varies
334         parameter.
335         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
336         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
337         (true_dependence_1, true_dependence, canon_true_dependence): Remove
338         varies parameter.
339         * cselib.c (cselib_rtx_varies_p): Delete.
340         (cselib_invalidate_mem): Update call to canon_true_dependence.
341         * dse.c (record_store, check_mem_read_rtx): Likewise.
342         (scan_reads_nospill): Likewise.
343         * cse.c (check_dependence): Likewise.
344         (cse_rtx_varies_p): Delete.
345         * expr.c (safe_from_p): Update call to true_dependence.
346         * ira.c (validate_equiv_mem_from_store): Likewise.
347         (memref_referenced_p): Likewise.
348         * postreload-gcse.c (find_mem_conflicts): Likewise.
349         * sched-deps.c (sched_analyze_2): Likewise.
350         * store-motion.c (load_kills_store): Likewise.
351         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
352         * gcse.c (mems_conflict_for_gcse_p): Likewise.
353         (compute_transp): Update call to canon_true_dependence.
354
355 2012-01-25  Richard Henderson  <rth@redhat.com>
356
357         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
358         (maybe_emit_atomic_test_and_set): New.
359         (expand_sync_lock_test_and_set): Use it.
360         (expand_atomic_test_and_set): Likewise.
361         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
362         the implementation; clarify implementation defined details.
363         * doc/md.texi (atomic_test_and_set): Document.
364
365 2012-01-25  Richard Henderson  <rth@redhat.com>
366
367         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
368
369 2012-01-25  Richard Henderson  <rth@redhat.com>
370
371         PR target/51968
372         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
373         to effect no-op split.
374
375 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
376
377         PR lto/51698
378         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
379         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
380         (BT_FN_VOID_PTR_INT_SIZE): New.
381         (BT_FN_UINT_UINT_VAR): Remove.
382         (BT_FN_UINT32_UINT32_VAR): New.
383         (BT_FN_DOUBLE_VPTR): Remove.
384         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
385
386         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
387         (_ITM_changeTransactionMode): Same.
388         (_ITM_memmoveRtWt): Change return type to void.
389         (_ITM_memcpyRtWt): Same.
390         (_ITM_memsetW): Same.
391         (_ITM_RaRD): Change types to double.
392         (_ITM_RD): Same.
393         (_ITM_RaWD): Same.
394         (_ITM_RfWD): Same.
395
396         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
397
398 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
399             Patrick Marlier  <patrick.marlier@gmail.com>
400
401         * trans-mem.c (requires_barrier): Do not instrument thread local
402         variables and emit save/restore for them.
403
404 2012-01-24  Jason Merrill  <jason@redhat.com>
405
406         PR c++/51812
407         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
408         output static aliases.
409
410 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
411
412         PR driver/47249
413         * common.opt (-pie, -shared, pie, shared): Change from Common to
414         Driver.
415         * gcc.c (display_help): Display help for -pie and -shared.
416
417 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
418
419         PR target/49868
420         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
421         Remove note on size/offset limitation.
422         (AVR Variable Attributes): Add example how to read data located
423         with progmem.  Refer to named address spaces.
424         * doc/invoke.texi (AVR Options): Fix typo.
425
426 2012-01-24  Richard Guenther  <rguenther@suse.de>
427
428         Forward-port to trunk
429         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
430
431         PR middle-end/45678
432         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
433         op0 isn't sufficiently aligned and there is movmisalignM
434         insn for mode, use it to load op0 into a temporary register.
435
436 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
437
438         PR target/51957
439         * target.def (const_not_ok_for_debug_p): New hook.
440         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
441         documentation.
442         * doc/tm.texi: Regenerated.
443         * dwarf2out.c (const_ok_for_output_1): If
444         targetm.const_not_ok_for_debug_p returns true, fail.
445         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
446         function.
447         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
448
449 2012-01-23  Kai Tietz  <ktietz@redhat.com>
450
451         PR target/51900
452         * config/i386/predicates.md (symbolic_operand): Allow
453         UNSPEC_PCREL as PIC expression for lea.
454         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
455         * config/i386/i386.c (ix86_delegitimize_address): Handle
456         UNSPEC_PCREL for none-MEM, too.
457
458 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
459
460         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
461         (ipa_tm_create_version_alias): Same.
462
463 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
464
465         PR libitm/51830
466         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
467         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
468
469 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
470             Patrick Marlier  <patrick.marlier@gmail.com>
471             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
472
473         PR lto/51916
474         * lto-wrapper.c (run_gcc): Pass the LTO section name to
475         simple_object_start_read.
476
477 2012-01-23  Richard Guenther  <rguenther@suse.de>
478
479
480         PR tree-optimization/51895
481         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
482         parameter decomposition into BLKmode components.
483
484 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
485
486         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
487         fake variables for restrict-qualified pointers whose pointed-to type
488         contains a placeholder.
489
490 2012-01-23  Richard Guenther  <rguenther@suse.de>
491
492         PR tree-optimization/51949
493         * ipa-split.c (execute_split_functions): Do not split malloc functions.
494
495 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
496
497         PR rtl-optimization/51933
498         * ree.c (transform_ifelse): Return true right away if dstreg is
499         already wider or equal to cand->mode.
500         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
501         (make_defs_and_copies_lists): Remove defs_list and copies_list
502         arguments, add state argument, just truncate state->work_list
503         instead of always allocating and freeing the vector.  Assert that
504         get_defs succeeds instead of returning 2.  Changed return type to bool.
505         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
506         have ext_src_mode, see if it has been modified already with the
507         right kind of extension and has been extended before from the
508         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
509         just return true.  Remember the original mode in state->modified array.
510         (combine_reaching_defs): Add state argument.  Don't allocate and
511         free here def_list, copied_list and vec vectors, instead just
512         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
513         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
514         Add state variable, clear vectors in it, initialize state.modified
515         if needed.  Free all the vectors at the end and state.modified too.
516         Don't skip a candidate if the extension expression has been modified.
517
518 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
519
520         PR target/47096
521         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
522          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
523         (extra_options) interix.opt -> i386/interix.opt"
524         (extra_objs):Add winnt-stubs.o
525         * configure.ac: Add interix to target_os .comm on PE check.
526         * configure: Regenerate.
527         * config/interix3.h: Delete and move bits to..
528         * config/interix.h: Delete and move bits to..
529         * config/i386/i386-interix3.h: Delete and move bits to..
530         * config/i386/i386-interix.h: ..here.
531         (TARGET_CPU_DEFAULT): Remove redefinition.
532         (TARGET_ASM_CONSTRUCTOR): Undefine.
533         (SUBTARGET_SWITCHES): Define for ms-bitfields.
534         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
535         (PTRDIFF_TYPE): Define.
536         (LONG_DOUBLE_TYPE_SIZE): Define.
537         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
538         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
539         (TARGET_SECTION_TYPE_FLAGS): Define.
540         (ASM_DECLARE_FUNCTION_NAME): Define.
541         (ASM_OUTPUT_EXTERNAL): Define.
542         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
543         (ASM_OUTPUT_ALIGNED_BSS): Define.
544         (PCC_BITFIELD_TYPE_MATTERS): Define.
545         (USE_CONST_SECTION): Define.
546         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
547         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
548         (SUPPORTS_ONE_ONLY): Remove.
549         (I386_PE_STRIP_ENCODING): Define.
550         * config/interix.opt: Delete and move bits to..
551         * config/i386/interix.opt: ..here. New.
552         (mpe-aligned-commons): Add.
553         * config/i386/t-interix: Add copyright header.
554         (winnt-stubs.o): Add rule.
555
556 2012-01-22  Jason Merrill  <jason@redhat.com>
557
558         PR c++/51832
559         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
560         for extra name aliases.
561
562 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
563
564         PR rtl-optimization/51924
565         * ree.c (combine_set_extension): Improve debugging message.
566         (combine_reaching_defs): Likewise.
567         (get_defs): Rename confusingly named variable.
568         (find_and_remove_re): Skip a candidate if the extension expression has
569         been modified.
570
571 2012-01-21  Robert Millan  <rmh@gnu.org>
572             Gerald Pfeifer  <gerald@pfeifer.com>
573
574         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
575         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
576
577 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
578
579         PR tree-optimization/51914
580         * tree-vect-stmts.c (vectorizable_conversion): For
581         cvt_type && modifier == WIDEN, put temporary with cvt_type
582         at the beginning of vec_dsts and set vec_dest to temporary
583         with vectype_out.
584
585 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
586
587         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
588
589 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
590
591         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
592         * config/rs6000/rs6000.c: Likewise.
593
594 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
595
596         PR target/51915
597         * config/arm/arm.c (arm_count_output_move_double_insns): Call
598         output_move_double on a copy of operands array.
599
600 2012-01-20  Cary Coutant  <ccoutant@google.com>
601             Dodji Seketeli  <dodji@redhat.com>
602
603         PR debug/45682
604         * dwarf2out.c (copy_declaration_context): Return ref to parent
605         of declaration DIE, if necessary.
606         (remove_child_or_replace_with_skeleton): Add new parameter; update
607         caller.  Place skeleton DIE under parent DIE of original declaration.
608         Move call to copy_declaration_context to here ...
609         (break_out_comdat_types): ... from here.
610
611 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
612
613         PR rtl-optimization/51856
614         * reload.c (find_reloads_subreg_address): Set the address_reloaded
615         flag to reloaded.
616
617 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
618
619         PR target/51819
620         * config/arm/arm.c (arm_print_operand): Correct output of alignment
621         hints for neon loads and stores.
622
623 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
624
625         PR target/49868
626         PR target/50887
627         * doc/extend.texi (Named Address Spaces): Split into subsections.
628         (AVR Named Address Spaces): New subsection.
629         (M32C Named Address Spaces): New subsection.
630         (RL78 Named Address Spaces): New subsection.
631         (SPU Named Address Spaces): New subsection.
632         (Variable Attributes): New anchor "AVR Variable Attributes".
633         (AVR Variable Attributes): Rewrite and avoid wording
634         "address space" in this context.
635         * doc/invoke.texi (AVR Options): Rewrite and add documentation
636         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
637         (AVR Built-in Macros): New subsubsection therein.
638         * doc/md.texi (AVR constraints): Remove "C04", "R".
639
640 2012-01-20  Richard Guenther  <rguenther@suse.de>
641
642         PR tree-optimization/51903
643         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
644         when removing stmts.
645
646 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
647
648         PR target/50313
649         * config/arm/arm.c (arm_load_pic_register): Use
650         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
651         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
652         (arm_pic_static_addr): Likewise.
653         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
654         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
655         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
656         (pic_load_addr_unified): New.
657
658 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
659
660         PR target/51106
661         * function.c (instantiate_virtual_regs_in_insn): Use
662         delete_insn_and_edges when removing a wrong asm insn.
663
664 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
665
666         PR rtl-optimization/40761
667         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
668         Add new member loop_num.
669         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
670         (ira_build): Remove the parameter.
671
672         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
673         (ira.c): Do not build CFG loops for one region allocation.  Remove
674         argument from ira_build call.
675
676         * ira-build.c (init_loop_tree_node): New function.
677         (create_loop_tree_nodes): Use it.  Separate the case when CFG
678         loops are not built.
679         (more_one_region_p): Check current_loops.
680         (finish_loop_tree_nodes): Separate the case when CFG loops are not
681         built.
682         (add_loop_to_tree): Process loop equal to NULL too.
683         (form_loop_tree): Separate the case when CFG loops are not built.
684         Use explicitly number for the root.
685         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
686         an assertion.
687         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
688         instead of loop->num.
689         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
690         (mark_all_loops_for_removal): Ditto.
691         (remove_unnecessary_regions): Separate the case when CFG loops
692         are not built.
693         (ira_build): Remove the parameter.  Use explicit number of regions
694         when CFG loops are not built.
695
696         * ira-color.c (print_loop_title): Separate the case for the root node.
697         Use loop_num instead of loop->num.
698         (move_spill_restore): Use loop_num instead of loop->num.
699
700         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
701         (change_loop): Ditto.
702         (change_loop): Use loop_num instead of loop->num.
703
704         * ira-lives.c (process_bb_node_lives): Ditto.
705
706         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
707
708         * ira-conflicts.c (print_allocno_conflicts): Ditto.
709
710 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
711
712         PR libmudflap/40778
713         * tree-mudflap.c (mf_artificial): New function.
714         (execute_mudflap_function_ops, execute_mudflap_function_decls,
715         mx_register_decls, mudflap_enqueue_decl): Use it.
716
717         PR target/51876
718         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
719         numbers in the insn pattern.
720
721 2012-01-19  Michael Matz  <matz@suse.de>
722
723         PR tree-optimization/46590
724         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
725         use it in remembering which conflicts we already created.
726         (add_scope_conflicts): Adjust call to above, (de)allocate helper
727         bitmap.
728
729 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
730
731         PR lto/51280
732         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
733         (merge_and_complain): Same.
734
735 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
736
737         PR bootstrap/50237
738         * config/initfini-array.h: Guard content of the header
739         with #ifdef HAVE_INITFINI_ARRAY.
740         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
741         Add initfini-array.h to tm_file here.
742         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
743         * config.gcc: Don't add initfini-array.h to tm_file here.
744         * configure: Regenerated.
745
746 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
747
748         PR rtl-optimization/51505
749         * df-problems.c (df_kill_notes): New parameter live. Update comment.
750         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
751         (df_note_bb_compute): Update the call to df_kill_notes.
752
753 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
754
755         * trans-mem.c (requires_barrier): Remove call to is_global_var.
756
757 2012-01-18  Richard Guenther  <rguenther@suse.de>
758
759         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
760         of conversions to void *.
761
762 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
763             Richard Sandiford  <rdsandiford@googlemail.com>
764
765         PR middle-end/50325
766         PR middle-end/51192
767         * optabs.h (simplify_expand_binop): Declare.
768         * optabs.c (simplify_expand_binop): Make global.
769         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
770         endian targets if the source cannot be exactly covered by word
771         mode chunks.
772
773 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
774
775         PR bootstrap/51872
776         * hard-reg-set.h (struct hard_reg_set_container): New type.
777         * target.h (struct hard_reg_set_container): Forward declare.
778         * target.def (set_up_by_prologue): New target hook.
779         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
780         * doc/tm.texi: Regenerated.
781         * function.c (thread_prologue_and_epilogue_insns): Change
782         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
783         Call targetm.set_up_by_prologue on it.
784         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
785         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
786
787 2012-01-17  Nick Clifton  <nickc@redhat.com>
788
789         * config/rx/rx.c (rx_can_use_simple_return): New function.
790         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
791         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
792
793 2012-01-17  Richard Guenther  <rguenther@suse.de>
794
795         PR middle-end/51782
796         * expr.c (expand_assignment): Take address-space information
797         from the address operand of MEM_REF and TARGET_MEM_REF.
798         (expand_expr_real_1): Likewise.
799
800 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
801
802         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
803         reload dump is requested.
804
805 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
806
807         PR other/51165
808         * trans-mem.c (requires_barrier): Call may_be_aliased.
809
810 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
811
812         PR tree-optimization/51877
813         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
814         call arguments and fndecls compare equal, instead return false if they
815         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
816         both SSA_NAMEs that are valueized the same, or they satisfy
817         operand_equal_p.
818
819 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
820
821         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
822         Solaris 11+.
823         * configure: Regenerate.
824
825 2012-01-16  Jan Hubicka  <jh@suse.cz>
826
827         PR c/12245
828         PR c++/14179
829         * convert.c (convert_to_integer): Use fold_convert for
830         converting an INTEGER_CST to integer type.
831
832 2012-01-16  Jason Merrill  <jason@redhat.com>
833
834         PR c++/14179
835         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
836
837 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
838
839         PR bootstrap/51860
840         * config/s390/s390.c (s390_chunkify_start): Don't skip
841         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
842         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
843         If insn is followed by NOTE_INSN_VAR_LOCATION or
844         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
845         Don't use location of note insns.
846
847         PR tree-optimization/51865
848         * tree-inline.c (tree_function_versioning): Call remap_decl
849         on DECL_RESULT whenever it has VOID_TYPE_P type.
850
851 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
852
853         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
854         for calls to locally-binding MIPS16 functions if only the return
855         type uses float regs.
856
857 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
858             Richard Sandiford  <rdsandiford@googlemail.com>
859
860         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
861         (SYMBOL_32_HIGH): Likewise.
862         (mips_output_tls_reloc_directive): Declare.
863         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
864         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
865         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
866         (mips_lo_relocs, mips_hi_relocs): Make extern.
867         (mips16_stub_function): Move up file.
868         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
869         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
870         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
871         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
872         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
873         (mips_get_tp): Add MIPS16 support.
874         (mips_legitimize_tls_address): Remove MIPS16 sorry().
875         Generalize DTPREL and TPREL handling.
876         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
877         Add MIPS16 TLS support.
878         (mips_output_tls_reloc_directive): New function.
879         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
880         * config/mips/predicates.md (symbolic_operand_with_high)
881         (tls_reloc_operand): New predicates.
882         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
883         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
884         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
885         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
886         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
887         (*tls_get_tp_mips16_call_<mode>): Likewise.
888
889 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
890
891         PR rtl-optimization/51821
892         * recog.c (peep2_find_free_register): Determine clobbered registers
893         from insn pattern.
894
895 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
896
897         PR target/50925
898         * config/avr/avr-protos.h: Revert change of 2012-01-09.
899         * config/avr/avr.c: Likewise.
900         * config/avr/avr.h: Likewise.
901
902 2012-01-13  Ian Lance Taylor  <iant@google.com>
903
904         PR c++/50012
905         * tree.h (TYPE_QUALS): Add cast to int.
906         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
907
908 2012-01-13  Ian Lance Taylor  <iant@google.com>
909
910         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
911         comparing param_index to VEC_length result.
912
913 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
914
915         * c-decl.c: Do not include tree-mudflap.h
916         * tree-optimize.c: Likewise.
917         * Makefile.in: Update dependencies.
918
919 2012-01-13  Richard Guenther  <rguenther@suse.de>
920
921         PR middle-end/8081
922         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
923         variable-sized result always use RSO.
924
925 2012-01-12  DJ Delorie  <dj@redhat.com>
926
927         * cfgexpand.c (convert_debug_memory_address): Allow any valid
928         pointer type, not just the default pointer type.
929
930 2012-01-09  Richard Henderson  <rth@redhat.com>
931             Denis Chertykov  <chertykov@gmail.com>
932
933         PR target/50925
934         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
935         * config/avr/avr.c (avr_can_eliminate): Simplify.
936         (avr_initial_elimination_offset): Likewise.
937         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
938         (expand_epilogue): Likewise.
939         (avr_legitimize_address): Gut.
940         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
941         (avr_hard_regno_nregs): New.
942         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
943         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
944         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
945         add soft frame pointer.
946         (CALL_USED_REGISTERS): Likewise.
947         (REG_CLASS_CONTENTS): Likewise.
948         (REGISTER_NAMES): Likewise.
949         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
950         (HARD_FRAME_POINTER_REGNUM): New.
951         (FRAME_POINTER_REGNUM): Use soft frame pointer.
952         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
953         remove the HARD_FRAME_POINTER self-elimination.
954
955 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
956
957         PR target/51756
958         * config/avr/avr.c (avr_encode_section_info): Test for absence of
959         DECL_EXTERNAL when checking for initializers of progmem variables.
960
961 2012-01-12  Ira Rosen  <irar@il.ibm.com>
962
963         PR tree-optimization/51799
964         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
965         that the last operation is a type demotion.
966
967 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
968
969         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
970         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
971
972 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
973
974         PR bootstrap/51796
975         * combine.c (distribute_notes): If i3 is a noreturn call,
976         allow old_size to be equal to args_size and make sure the
977         noreturn call gets REG_ARGS_SIZE note.
978         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
979         on noreturn calls even when the delta is 0.
980
981 2012-01-11  Nathan Sidwell  <nathan@acm.org>
982
983         * gcov.c (STRING_SIZE): Remove.
984         (generate_results): Erase annotations for source files with no
985         coverage information.
986         (read_line): New.
987         (output_lines): Use it.
988
989 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
990
991         * gimple.h (gimplify_body): Remove first argument.
992         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
993         pointer set here, instead just pass DATA to walk_tree.
994         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
995         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
996         (unvisit_body): Likewise, but with unmark_visited.
997         (gimplify_body): Remove BODY_P argument and adjust.
998         (gimplify_function_tree): Adjust call to gimplify_body.
999         * omp-low.c (finalize_task_copyfn): Likewise.
1000
1001 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1002
1003         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1004         (build_function_type_skip_args): Delete.
1005         * tree.c (build_function_type_skip_args): Make static and add
1006         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1007         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1008         pass it to build_function_type_skip_args.
1009         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1010         (tree_function_versioning): Likewise.
1011         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1012         build_function_decl_skip_args.
1013         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1014         and pass it to build_function_decl_skip_args/tree_function_versioning.
1015         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1016         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1017         * trans-mem.c (ipa_tm_create_version): Likewise.
1018         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1019         * tree-inline.c (declare_return_variable): Remove always-true test.
1020         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1021         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1022         * ipa-split.c (split_function): Skip the return value for the split
1023         part if it doesn't return.
1024
1025 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1026
1027         PR tree-optimization/49642
1028         * ipa-split.c (forbidden_dominators): New variable.
1029         (check_forbidden_calls): New function.
1030         (dominated_by_forbidden): Likewise.
1031         (consider_split): Check for forbidden dominators.
1032         (execute_split_functions): Initialize and free forbidden
1033         dominators info; call check_forbidden_calls.
1034
1035 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1036
1037         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1038
1039 2012-01-11  Nick Clifton  <nickc@redhat.com>
1040
1041         * config/rx/rx.md (return): Define pattern.
1042
1043 2012-01-11  Richard Guenther  <rguenther@suse.de>
1044
1045         * doc/extend.texi (malloc attribute): Adjust according to
1046         implementation.
1047
1048 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1049             Patrick Marlier  <patrick.marlier@gmail.com>
1050
1051         PR middle-end/51516
1052         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1053         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1054         (ipa_tm_note_irrevocable): Same.
1055         (ipa_tm_scan_irr_block): Same.
1056         (ipa_tm_decrement_clone_counts): Same.
1057         (ipa_tm_scan_irr_function): Same.
1058         (ipa_tm_create_version_alias): Same.
1059         (ipa_tm_create_version): Same.
1060         (ipa_tm_transform_calls_redirect): Same.
1061         (ipa_tm_transform_calls): Same.
1062         (ipa_tm_transform_transaction): Same.
1063         (ipa_tm_execute): Same.
1064
1065 2012-01-10  Richard Guenther  <rguenther@suse.de>
1066
1067         PR middle-end/51806
1068         * opts.c (common_handle_option): Handle -Werror.
1069
1070 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1071
1072         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1073         operand number.
1074
1075 2012-01-10  Jason Merrill  <jason@redhat.com>
1076
1077         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1078         information.
1079
1080 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1081
1082         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1083         supports R_386_TLS_GD_PLT reloc.
1084         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1085         supports R_386_TLS_LDM_PLT reloc.
1086         * configure: Regenerate.
1087         * config.in: Regenerate.
1088
1089 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1090
1091         PR target/49868
1092         Extend __pgmx semantics to linearize memory.
1093         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1094         determine if code comes inline or from libgcc.
1095         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1096         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1097         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1098         (movmemx_qi, movmemx_hi): New insns.
1099         (xload_<mode>_libgcc): Rewrite to new insn condition.
1100         (xload_<mode>): Remove insns.
1101         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1102         cases that don't satisfy avr_xload_libgcc_p().
1103         (avr_addr_space_convert): Allow converting in any direction.
1104         (avr_addr_space_subset_p): Return always true.
1105         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1106         (avr_emit_movmemhi): Ditto.
1107         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1108         (avr_out_movmem): Ditto.
1109         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1110         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1111         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1112         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1113         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1114
1115 2012-01-10  Richard Guenther  <rguenther@suse.de>
1116
1117         PR tree-optimization/50913
1118         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1119         Require data-refs to be representable by Graphite with respect
1120         to any loop nest.
1121
1122 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1123
1124         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1125         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1126
1127 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1128
1129         PR rtl-optimization/51271
1130         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1131         handling annulled branch.
1132
1133 2012-01-10  Richard Henderson  <rth@redhat.com>
1134
1135         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1136         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1137         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1138         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1139         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1140         arm_expand_vec_perm_const): New.
1141         * config/arm/arm-protos.h: Update.
1142         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1143         (*neon_vswp<VDQX>): New.
1144         (neon_vcombine<VDX>): Use neon_split_vcombine.
1145         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1146         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1147         (vec_perm<VE>): New.
1148
1149 2012-01-10  Richard Henderson  <rth@redhat.com>
1150
1151         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1152         use it if reload_completed.
1153         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1154         arm_output_asm_insn, arm_process_output_memory_barrier,
1155         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1156         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1157         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1158         arm_process_output_sync_insn, arm_output_sync_insn,
1159         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1160         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1161         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1162         (emit_unlikely_jump): New.
1163         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1164         (arm_split_atomic_op): New.
1165         * config/arm/arm-protos.h: Update.
1166         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1167         (struct arm_sync_generator): Remove.
1168         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1169         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1170         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1171         (VUNSPEC_LL, VUNSPEC_SC): New.
1172         (sync_result, sync_memory, sync_required_value, sync_new_value,
1173         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1174         (attr length): Don't use arm_sync_loop_insns.
1175         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1176         (movsfcc, movdfcc): Likewise.
1177         * config/arm/constraints.md (Ua): New.
1178         * config/arm/prediates.md (mem_noofs_operand): New.
1179         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1180         (sync_clobber, sync_t2_reqd): Remove.
1181         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1182         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1183         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1184         (arm_sync_compare_and_swap<SIDI>): Remove.
1185         (arm_sync_compare_and_swap<NARROW>): Remove.
1186         (arm_sync_lock_test_and_set<SIDI>): Remove.
1187         (arm_sync_lock_test_and_set<NARROW>): Remove.
1188         (arm_sync_new_<syncop><SIDI>): Remove.
1189         (arm_sync_new_<syncop><NARROW>): Remove.
1190         (arm_sync_new_nand<SIDI>): Remove.
1191         (arm_sync_new_nand<NARROW>): Remove.
1192         (arm_sync_old_<syncop><SIDI>): Remove.
1193         (arm_sync_old_<syncop><NARROW>): Remove.
1194         (arm_sync_old_nand<SIDI>): Remove.
1195         (arm_sync_old_nand<NARROW>): Remove.
1196         (*memory_barrier): Merge arm_output_memory_barrier.
1197         (atomic_compare_and_swap<QHSD>): New.
1198         (atomic_compare_and_swap<NARROW>_1): New.
1199         (atomic_compare_and_swap<SIDI>_1): New.
1200         (atomic_exchange<QHSD>): New.
1201         (cas_cmp_operand, cas_cmp_str): New.
1202         (atomic_op_operand, atomic_op_str): New.
1203         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1204         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1205         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1206         (arm_load_exclusive<NARROW>): New.
1207         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1208         (arm_store_exclusive<QHSD>): New.
1209
1210 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1211
1212         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1213         reload patterns if -mvsx-scalar-memory.
1214
1215         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1216         generated, even -mno-vsx-scalar-double was used.
1217         (vsx_xscvdpsp_scalar): Likewise.
1218         (vsx_xscvspdp_scalar2): Likewise.
1219
1220 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1221             Andrew Pinski  <apinski@cavium.com>
1222
1223         PR debug/51471
1224         * reorg.c (fill_slots_from_thread): Don't speculate
1225         frame-related insns.
1226
1227 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1228
1229         * sched-int.h (bb_note): Move to...
1230         * basic-block.h: ...here.
1231         * haifa-sched.c (bb_note): Move to...
1232         * cfgrtl.c: ...here.
1233         * function.c (next_block_for_reg): New function.
1234         (move_insn_for_shrink_wrap): Likewise.
1235         (prepare_shrink_wrap): Rewrite to use the above.
1236
1237 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1238
1239         * gimple.c (is_gimple_non_addressable): Remove.
1240         * gimple.h: Remove is_gimple_non_addressable.
1241         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1242         is_gimple_non_addressable.
1243         * trans-mem.c (expand_assign_tm): Same.
1244
1245 2012-01-09  Richard Guenther  <rguenther@suse.de>
1246
1247         PR tree-optimization/51775
1248         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1249         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1250
1251 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1252
1253         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1254         tuning parameters.
1255         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1256
1257 2012-01-09  Richard Guenther  <rguenther@suse.de>
1258
1259         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1260
1261 2012-01-08  Jan Hubicka  <jh@suse.cz>
1262
1263         PR tree-optimize/51680
1264         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1265         on when known_vals needs to be computed; cleanup.
1266
1267 2012-01-08  Jan Hubicka  <jh@suse.cz>
1268
1269         PR tree-optimize/51694
1270         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1271
1272 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1273
1274         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1275         for -std=c++98 and -std=c++11 too.
1276
1277 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1278
1279         * cfgloop.c (cancel_loop): Add free() of bbs array.
1280
1281 2012-01-07  Jan Hubicka  <jh@suse.cz>
1282
1283         PR tree-optimization/51600
1284         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1285         that benefits small functions.
1286
1287 2012-01-07  Jan Hubicka  <jh@suse.cz>
1288
1289         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1290
1291 2012-01-07  Jan Hubicka  <jh@suse.cz>
1292
1293         PR tree-optimization/51680
1294         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1295         whose inlining reduce unit size.
1296
1297 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1298
1299         PR bootstrap/51725
1300         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1301         Add canonical node to containing_mem chain after the non-canonical
1302         one, even if there weren't any locs to propagate.
1303         (remove_useless_values): Keep only canonical values.
1304         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1305         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1306         canonicalize mem_chain elements that are not discarded.
1307
1308 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1309
1310         PR target/47333
1311         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1312         before emitting functions.
1313
1314         PR gcov-profile/50127
1315         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1316         clear_aux_for_blocks.
1317
1318 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1319
1320         PR debug/51746
1321         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1322
1323 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1324
1325         * c-decl.c (ext_block): Moved up.
1326         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1327
1328 2012-01-06  Han Shen  <shenhan@google.com>
1329
1330         Translate built-in include paths for sysroot.
1331         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1332         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1333
1334         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1335         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1336
1337         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1338         control whether sysroot should be prepended to gxx include dir.
1339
1340         * configure: Regenerate.
1341
1342 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1343
1344         PR rtl-optimization/51771
1345         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1346         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1347
1348 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1349
1350         PR tree-optimization/51315
1351         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1352         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1353
1354 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1355
1356         PR target/51681
1357         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1358         for shrp pattern.  Correctly handle and fixup shift variable.
1359         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1360
1361 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1362
1363         PR debug/51762
1364         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1365         note when !ACCUMULATE_OUTGOING_ARGS.
1366
1367 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1368
1369         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1370         condition.
1371         (extract_range_from_unary_expr_1): Avoid useless computations.
1372
1373 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1374
1375         PR rtl-optimization/51767
1376         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1377         of jump_block and add an extra edge for degenerated asm gotos.
1378
1379         PR middle-end/51768
1380         * stmt.c (check_unique_operand_names): Don't ICE during error
1381         reporting if i is from labels chain.
1382
1383         PR middle-end/44777
1384         * profile.c (branch_prob): Split bbs that have exit edge
1385         and need a fake entry edge too.
1386
1387 2012-01-05  Jan Hubicka  <jh@suse.cz>
1388
1389         PR middle-end/49710
1390         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1391         unlooping loops.
1392
1393 2012-01-05  Richard Guenther  <rguenther@suse.de>
1394
1395         PR lto/50490
1396         * tree-streamer-out.c (write_ts_optimization): New function.
1397         (streamer_write_tree_body): Call it.
1398         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1399         (streamer_read_tree_body): Call it.
1400         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1401
1402 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1403
1404         PR middle-end/51761
1405         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1406         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1407         in_cleanup_point_expr before gimplify_stmt call and restore it
1408         afterwards.
1409         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1410         in_cleanup_point_expr is false.
1411
1412 2012-01-05  Richard Guenther  <rguenther@suse.de>
1413
1414         PR middle-end/51764
1415         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1416         to c.opt.
1417         * toplev.c (process_options): Reject combining mudflap and LTO.
1418         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1419
1420 2012-01-05  Richard Guenther  <rguenther@suse.de>
1421
1422         PR tree-optimization/51760
1423         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1424         not VARYING.
1425         (bit_value_unop): Handle UNDEFINED operands.
1426         (bit_value_binop): Likewise.
1427
1428 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1429
1430         * config/avr/avr.c (avr_replace_prefix): Remove.
1431         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1432         (avr_asm_function_rodata_section): Ditto.
1433         (avr_asm_select_section): Ditto.
1434
1435 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1436
1437         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1438         insertion.
1439
1440 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1441
1442         PR bootstrap/51648
1443         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1444         calls that have any non-fake successor edges.
1445
1446         PR debug/51746
1447         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1448
1449 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1450
1451         PR tree-optimization/51624
1452         * tree-sra.c (build_ref_for_model): When replicating a chain of
1453         COMPONENT_REFs, stop as soon as the offset would become negative.
1454
1455 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1456
1457         PR debug/51695
1458         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1459         in .debug_loc on the floor.
1460
1461 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1462
1463         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1464
1465 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1466             Adam Nemet  <anemet@caviumnetworks.com>
1467
1468         * config/mips/mips.md (size): Add SI and DI.
1469         (SIZE): New mode attribute.
1470         (U): New code attribute.
1471         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1472         (mips_lbux_<mode>): Delete.
1473         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1474         (mips_lhx): Use gen_mips_lhx_extsi.
1475         (mips_lhx_<mode>): Delete.
1476         (mips_lwx): Delete.
1477         (mips_l<size>x): New expand.
1478         (mips_lwx_<mode>): Delete.
1479         (mips_l<GPR:size>x_<P:mode>): New pattern.
1480         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1481         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1482         * config/mips/mips.c (mips_lx_address_p): New function.
1483         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1484         (dsp64): New availability predicate.
1485         (mips_builtins): Add an entry for __builtin_mips_ldx.
1486         * config/mips/mips.h (ISA_HAS_LBX): New define.
1487         (ISA_HAS_LBUX): Likewise.
1488         (ISA_HAS_LHX): Likewise.
1489         (ISA_HAS_LHUX): Likewise.
1490         (ISA_HAS_LWX): Likewise.
1491         (ISA_HAS_LWUX): Likewise.
1492         (ISA_HAS_LDX): Likewise.
1493         * doc/extend.texi (__builtin_mips_ldx): Document.
1494
1495 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1496
1497         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1498         when long pointers are used.
1499         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1500         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1501         (ia64-hp-*vms*): Remove.
1502         * config/vms/xm-vms64.h: Delete.
1503
1504 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1505
1506         PR middle-end/51472
1507         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1508
1509 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1510
1511         * opts.c (finish_options): Remove duplicate sorry.
1512
1513 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1514
1515         PR middle-end/51696
1516         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1517         correctly.
1518
1519 2012-01-04  Richard Guenther  <rguenther@suse.de>
1520
1521         PR middle-end/51750
1522         * tree.c (size_low_cst): New function.
1523         * tree.h (size_low_cst): Declare.
1524         * fold-const.c (fold_comparison): Use it to extract the low
1525         part of the POINTER_PLUS_EXPR offset.
1526
1527 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1528
1529         Fix clearing ZERO_REG
1530         * config/avr/avr.md (cc): Add alternative "ldi".
1531         (movqi_insn): Use it in cc attribute.
1532         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1533         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1534         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1535
1536 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1537
1538         * configure: Regenerate.
1539
1540 2012-01-04  Richard Guenther  <rguenther@suse.de>
1541
1542         PR tree-optimization/49651
1543         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1544         (var_can_have_subvars): Use it.
1545         (get_constraint_for_1): Only consider subfields if there can be any.
1546
1547 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1548
1549         PR bootstrap/51725
1550         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1551         to its new canonical_cselib_val and the cselib_val was in
1552         first_containing_mem chain, but the canonical_cselib_val was not,
1553         add the latter into the chain.
1554         (cselib_invalidate_mem): Compare canonical_cselib_val of
1555         addr_list chain elt with v.
1556
1557         PR pch/51722
1558         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1559         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1560         of xstrdup.
1561         (output_macinfo_op): Don't ggc_strdup fd->filename.
1562         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1563         then ggc_strdup it.  Don't free inc->info or cur->info.
1564         (output_macinfo): Don't free ref->info or file->info.
1565
1566 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1567
1568         PR tree-optimization/51269
1569         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1570         first_niters a pointer.
1571         (slpeel_tree_peel_loop_to_edge): Likewise.
1572         (vect_do_peeling_for_loop_bound): Update call to
1573         slpeel_tree_peel_loop_to_edge.
1574         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1575         here.  Remove it from the parameters list.
1576         (vect_do_peeling_for_alignment): Update calls and compute
1577         wide_prolog_niters.
1578
1579 2012-01-03  Richard Guenther  <rguenther@suse.de>
1580
1581         PR tree-optimization/51070
1582         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1583         Properly handle calls.
1584
1585 2012-01-03  Richard Guenther  <rguenther@suse.de>
1586
1587         PR tree-optimization/51692
1588         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1589         the LHS of allocation stmts.
1590
1591 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1592
1593         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1594
1595 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1596
1597         * collect2.c (main): In AIX specific computations for vector
1598         insertions, use CONST_CAST2 to cast from char ** to const char **.
1599
1600 2012-01-03  Richard Guenther  <rguenther@suse.de>
1601
1602         PR debug/51650
1603         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1604         the context of a limbo DIE when it does not already exist.
1605
1606 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1607
1608         PR tree-optimization/51719
1609         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1610         but direct call is, clear direct call's lhs and don't add fallthrough
1611         edge from dcall_bb to join_bb and PHIs.
1612
1613 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1614
1615         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1616         the instructions emitted by the pattern.
1617         ("*TDC_insn_<mode>"): Add comment.
1618
1619 2012-01-03  Richard Guenther  <rguenther@suse.de>
1620
1621         PR middle-end/51730
1622         * fold-const.c (fold_comparison): Properly canonicalize
1623         tree offset and HOST_WIDE_INT bit position.
1624
1625 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1626
1627         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1628         operands for extzv pattern.
1629
1630 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1631
1632         PR bootstrap/51725
1633         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1634         on mem_elt first.
1635
1636 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1637
1638         * doc/invoke.texi (-flto and related options): Copy-edit.
1639
1640 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1641
1642         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1643
1644 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1645
1646         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1647         New patterns.
1648
1649 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1650
1651         * expr.h (move_by_pieces_ninsns): Declare.
1652         * expr.c (move_by_pieces_ninsns): Make external.
1653         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1654         (mips_store_by_pieces_p): Likewise.
1655         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1656         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1657         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1658         (mips_store_by_pieces_p): Likewise.
1659
1660 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1661
1662         * passes.c (register_one_dump_file): Free full_name.
1663
1664         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1665         (calculate_elim_costs_all_insns): Free offsets_at and
1666         offsets_known_at at the end and clear the pointers.
1667
1668 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1669
1670         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1671         this option introduced in r180739.
1672
1673 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1674
1675         PR target/51345
1676         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1677         (tmake_file target=avr): Add avr/t-multilib.
1678
1679         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1680         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1681         * config/avr/genmultilib.awk: New file.
1682         * config/avr/t-multilib: New auto-generated file.
1683         * config/avr/multilib.h: New auto-generated file.
1684         * config/avr/t-avr (AVR_MCUS): New variable.
1685         (genopt.sh): Use it.
1686         (s-mlib): Depend on t-multilib.
1687         (t-multilib, multilib.h): New dependencies.
1688         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1689         (MULTILIB_OPTIONS): Remove.
1690         (MULTILIB_MATCHES): Remove.
1691         (MULTILIB_DIRNAMES): Remove.
1692         (MULTILIB_EXCEPTIONS): Remove:
1693         * config/avr/genopt.sh: Don't use hard coded file name;
1694         pass AVR_MCUS from t-avr instead.
1695
1696 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1697
1698         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1699
1700 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1701
1702         Implement light-weight DImode support.
1703         * config/avr/avr-dimode.md: New file.
1704         * config/avr/avr.md: Include it.
1705         (adjust_len): Add plus64, compare64.
1706         (HIDI): Remove code iterator.
1707         (code_stdname): New code attribute.
1708         (rotx, rotsmode): Remove DI.
1709         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1710         as code iterator.
1711         * config/avr/avr-protos.h (avr_have_dimode): New.
1712         (avr_out_plus64, avr_out_compare64): New.
1713         * config/avr/avr.c (avr_out_compare): Handle DImode.
1714         (avr_have_dimode): New variable definition and initialization.
1715         (avr_out_compare64, avr_out_plus64): New functions.
1716         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1717         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1718         (avr_compare_pattern): Skip DImode comparisons.
1719
1720 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1721
1722         * ddg.c (def_has_ccmode_p): New function.
1723         (add_cross_iteration_register_deps,
1724         create_ddg_dep_from_intra_loop_link): Call it.
1725
1726 2012-01-02  Richard Guenther  <rguenther@suse.de>
1727
1728         PR other/51679
1729         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1730
1731 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1732
1733         * gcc.c (process_command): Update copyright notice dates.
1734         * gcov.c (print_version): Likewise.
1735         * gcov-dump.c (print_version): Likewise.
1736         * mips-tfile.c (main): Likewise.
1737         * mips-tdump.c (main): Likewise.
1738
1739 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1740
1741         PR tree-optimization/51704
1742         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1743         a use is inside the basic block or loop before accessing its vect info.
1744
1745 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1746
1747         PR rtl-optimization/51069
1748         * cfgloopmanip.c (remove_path): Removing path making irreducible
1749         region unconditional makes BB part of the region.
1750
1751 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1752
1753         PR tree-optimization/51683
1754         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1755         calls with side-effects.
1756         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1757 \f
1758 Copyright (C) 2012 Free Software Foundation, Inc.
1759
1760 Copying and distribution of this file, with or without modification,
1761 are permitted in any medium without royalty provided the copyright
1762 notice and this notice are preserved.