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