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