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