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