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