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