1 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
3 * df-problems.c (df_kill_notes): Check that the use refers
4 to the note under examination.
6 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
9 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
10 parameter and use short-lived pseudos.
11 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
12 (sparc_expand_vector_init): Const-ify local variables and adjust
13 calls to above functions.
15 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
17 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
19 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
21 * doc/invoke.texi: Make usage of "compile time" and
22 "run time"/"runtime" consistent throughout the file.
24 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
26 * config/alpha/alpha.c (alpha_option_overrride): Default to
27 full IEEE compliance mode for Go language.
29 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
31 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
32 (LINK_SSP_SPEC): Define.
34 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
37 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
40 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
42 * doc/invoke.texi: Correct hyphenation of "floating point",
43 "double precision", and related terminology throughout the file.
45 2012-01-28 Jakub Jelinek <jakub@redhat.com>
48 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
49 arm_general_register_operand predicate for operand 2 instead of
52 2012-01-27 Ian Lance Taylor <iant@google.com>
55 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
56 * builtins.c (expand_builtin_init_trampoline): Add onstack
57 parameter. Change caller.
58 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
59 * tree.c (build_common_builtin_nodes): Declare
60 __builtin_init_heap_trampoline.
62 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
64 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
65 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
66 * config/avr/avr.c: Ditto.
67 (avr_regnames): Remove because unused.
68 * config/avr/avr.md (*cpse.ne): New peephole.
69 (*cpse.eq): New peephole from former cpse peepholes.
71 2012-01-27 Michael Eager <eager@eagercon.com>
73 * config/microblaze.c (microblaze_emit_compare): Correct
74 test after pcmp instruction.
76 2012-01-27 Richard Guenther <rguenther@suse.de>
78 PR tree-optimization/52020
79 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
81 2012-01-27 Richard Guenther <rguenther@suse.de>
83 * ipa-pure-const.c (check_stmt): Clobbers do not make a
84 function non-const/pure.
86 2012-01-27 Richard Guenther <rguenther@suse.de>
88 PR tree-optimization/50444
89 * tree-sra.c (build_ref_for_offset): Properly adjust the
90 MEM_REF type for unaligned accesses.
92 2012-01-27 Richard Guenther <rguenther@suse.de>
94 PR tree-optimization/50444
95 * expr.c (mem_ref_refers_to_non_mem_p): New function.
96 (expand_assignment): Use it. Properly handle misaligned
97 bases when expanding stores to component references.
98 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
101 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
104 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
105 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
106 * tree-data-ref.c (find_data_references_in_loop): Make static.
107 (compute_all_dependences): Change return type to bool. Bail out
108 for too many datarefs in a loop. Move the hunk resetting the data
109 dependences vector from ...
110 (compute_data_dependences_for_loop): ... here. Account for
111 compute_all_dependences returning false.
112 (compute_data_dependences_for_bb): Likewise.
113 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
114 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
116 2012-01-27 Richard Guenther <rguenther@suse.de>
119 * expr.c (store_field): Use the alias-set of the scratch memory
122 2012-01-27 Tom de Vries <tom@codesourcery.com>
124 PR tree-optimization/51990
125 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
127 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
129 2012-01-27 Jakub Jelinek <jakub@redhat.com>
132 * var-tracking.c (reverse_op): Don't add any reverse operation
133 if V already has any constant locations.
135 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
137 * doc/invoke.texi: Correct usage of "command line" (noun)
138 vs "command-line" (adjective) throughout.
140 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
142 * doc/invoke.texi (Language Independent Options): Move
143 -Wcoverage-mismatch blurb from here....
144 (Warning Options): ...to here.
146 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
148 * config/rs6000/rs6000.c (rs6000_option_override_internal):
149 Set rs6000_always_hint to false for 476.
151 2012-01-27 Matthias Klose <doko@ubuntu.com>
153 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
155 * incpath.c (add_standard_paths): Likewise.
157 2012-01-27 Richard Henderson <rth@redhat.com>
159 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
160 * config/m68k/sync.md (atomic_test_and_set): Rename from
161 sync_test_and_setqi and adjust the operands.
162 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
163 and unconditionally enable.
165 2012-01-27 Richard Henderson <rth@redhat.com>
167 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
168 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
169 (ldstub): Rename from ldstubqi.
170 (ldstub<I24MODE>): Remove.
172 2012-01-27 Richard Henderson <rth@redhat.com>
174 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
175 * c-cppbuiltin.c (cpp_atomic_builtins): Define
176 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
177 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
178 * doc/tm.texi: Rebuild.
180 2012-01-27 Richard Henderson <rth@redhat.com>
182 * optabs.c (gen_atomic_test_and_set): Remove default.
183 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
185 2012-01-26 Jakub Jelinek <jakub@redhat.com>
187 PR rtl-optimization/51978
188 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
189 (combine_reaching_defs): Likewise.
190 (struct re_info): Remove.
191 (add_removable_extension): Remove x and data arguments,
192 add insn, insn_list and def_map. Use the arguments directly
193 instead of using struct re_info.
194 (find_removable_extensions): Don't call add_removable_extension
195 through note_stores, instead just call it with single_set
197 (find_and_remove_re): Pass curr_cand->expr instead of
198 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
200 2012-01-26 Michael Matz <matz@suse.de>
202 PR tree-optimization/46590
203 * cfgexpand.c: Revert last change (r183305).
204 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
206 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
207 checking for emptiness.
209 2012-01-26 Jakub Jelinek <jakub@redhat.com>
212 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
213 non-addressable non-BLKmode base correctly.
215 2012-01-26 Michael Matz <matz@suse.de>
217 PR tree-optimization/48794
218 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
219 regions referenced from RESX/EH_DISPATCH.
221 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
223 * config/s390/s390.h: Make BRANCH_COST an option.
224 * config/s390/s390.opt: New option -mbranch-cost.
226 2012-01-26 Richard Henderson <rth@redhat.com>
228 Revert 2012-01-24 change:
229 * trans-mem.c (requires_barrier): Do not instrument thread local
230 variables and emit save/restore for them.
232 2012-01-25 Jakub Jelinek <jakub@redhat.com>
235 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
238 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
240 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
243 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
246 Rename __pgm to __flash.
247 Rename __pgm1 to __flash1.
248 Rename __pgm2 to __flash2.
249 Rename __pgm3 to __flash3.
250 Rename __pgm4 to __flash4.
251 Rename __pgm5 to __flash5.
252 Rename __pgmx to __memx.
253 * doc/extend.texi (AVR Named Address Spaces)
254 Rename address space names as indicated above.
255 * config/avr/avr.c (avr_addrspace): Ditto.
257 * config/avr/avr-protos.h
258 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
259 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
260 * config/avr/predicates.md: Ditto.
261 * config/avr/avr.c Ditto, and
262 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
263 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
265 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
266 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
267 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
268 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
269 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
270 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
271 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
272 * config/avr/avr.c: Ditto.
273 * config/avr/avr.md: Ditto.
275 2012-01-25 Jason Merrill <jason@redhat.com>
278 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
280 2012-01-25 Jakub Jelinek <jakub@redhat.com>
282 PR tree-optimization/51987
283 * tree-data-ref.c (get_references_in_stmt): Handle references in
284 non-volatile GIMPLE_ASM.
286 2012-01-25 Richard Guenther <rguenther@suse.de>
288 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
289 bases are dereferenced.
291 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
293 PR rtl-optimization/48374
294 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
296 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
298 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
299 compute_data_dependences_for_loop returns false.
300 * tree-parloops.c (loop_parallel_p): Likewise.
302 2012-01-25 Richard Guenther <rguenther@suse.de>
304 * tree.h (get_pointer_alignment_1): Declare.
305 * builtins.c (get_pointer_alignment_1): New function.
306 (get_pointer_alignment): Use it.
308 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
310 PR rtl-optimization/48308
311 * combine.c (enum undo_kind): Add UNDO_LINKS.
312 (struct undo): Add member l to other_contents and where.
313 (do_SUBST_LINK): New.
315 (try_combine): Handle LOG_LINKS for the dummy i1 case.
316 (undo_all): Handle UNDO_LINKS.
318 2012-01-25 Richard Henderson <rth@redhat.com>
320 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
323 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
325 * optabs.c (gen_atomic_test_and_set): Use each argument.
327 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
329 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
330 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
331 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
332 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
333 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
334 TARGET_PAIRED_SINGLE_FLOAT.
336 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
338 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
339 (in_struct, return_val): Remove MEM documentation.
340 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
341 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
342 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
344 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
345 * cfgexpand.c (add_alias_set_conflicts): Likewise.
346 * expr.c (store_field): Likewise.
347 * function.c (assign_stack_temp_for_type): Likewise.
348 * ifcvt.c (noce_try_cmove_arith): Likewise.
349 * reload1.c (reload): Likewise.
350 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
351 (alpha_set_memflags): Likewise.
352 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
354 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
356 * rtl.h (true_dependence, canon_true_dependence): Remove varies
358 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
359 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
360 (true_dependence_1, true_dependence, canon_true_dependence): Remove
362 * cselib.c (cselib_rtx_varies_p): Delete.
363 (cselib_invalidate_mem): Update call to canon_true_dependence.
364 * dse.c (record_store, check_mem_read_rtx): Likewise.
365 (scan_reads_nospill): Likewise.
366 * cse.c (check_dependence): Likewise.
367 (cse_rtx_varies_p): Delete.
368 * expr.c (safe_from_p): Update call to true_dependence.
369 * ira.c (validate_equiv_mem_from_store): Likewise.
370 (memref_referenced_p): Likewise.
371 * postreload-gcse.c (find_mem_conflicts): Likewise.
372 * sched-deps.c (sched_analyze_2): Likewise.
373 * store-motion.c (load_kills_store): Likewise.
374 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
375 * gcse.c (mems_conflict_for_gcse_p): Likewise.
376 (compute_transp): Update call to canon_true_dependence.
378 2012-01-25 Richard Henderson <rth@redhat.com>
380 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
381 (maybe_emit_atomic_test_and_set): New.
382 (expand_sync_lock_test_and_set): Use it.
383 (expand_atomic_test_and_set): Likewise.
384 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
385 the implementation; clarify implementation defined details.
386 * doc/md.texi (atomic_test_and_set): Document.
388 2012-01-25 Richard Henderson <rth@redhat.com>
390 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
392 2012-01-25 Richard Henderson <rth@redhat.com>
395 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
396 to effect no-op split.
398 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
401 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
402 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
403 (BT_FN_VOID_PTR_INT_SIZE): New.
404 (BT_FN_UINT_UINT_VAR): Remove.
405 (BT_FN_UINT32_UINT32_VAR): New.
406 (BT_FN_DOUBLE_VPTR): Remove.
407 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
409 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
410 (_ITM_changeTransactionMode): Same.
411 (_ITM_memmoveRtWt): Change return type to void.
412 (_ITM_memcpyRtWt): Same.
413 (_ITM_memsetW): Same.
414 (_ITM_RaRD): Change types to double.
419 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
421 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
422 Patrick Marlier <patrick.marlier@gmail.com>
424 * trans-mem.c (requires_barrier): Do not instrument thread local
425 variables and emit save/restore for them.
427 2012-01-24 Jason Merrill <jason@redhat.com>
430 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
431 output static aliases.
433 2012-01-24 Jakub Jelinek <jakub@redhat.com>
436 * common.opt (-pie, -shared, pie, shared): Change from Common to
438 * gcc.c (display_help): Display help for -pie and -shared.
440 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
443 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
444 Remove note on size/offset limitation.
445 (AVR Variable Attributes): Add example how to read data located
446 with progmem. Refer to named address spaces.
447 * doc/invoke.texi (AVR Options): Fix typo.
449 2012-01-24 Richard Guenther <rguenther@suse.de>
451 Forward-port to trunk
452 2010-09-21 Jakub Jelinek <jakub@redhat.com>
455 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
456 op0 isn't sufficiently aligned and there is movmisalignM
457 insn for mode, use it to load op0 into a temporary register.
459 2012-01-24 Jakub Jelinek <jakub@redhat.com>
462 * target.def (const_not_ok_for_debug_p): New hook.
463 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
465 * doc/tm.texi: Regenerated.
466 * dwarf2out.c (const_ok_for_output_1): If
467 targetm.const_not_ok_for_debug_p returns true, fail.
468 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
470 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
472 2012-01-23 Kai Tietz <ktietz@redhat.com>
475 * config/i386/predicates.md (symbolic_operand): Allow
476 UNSPEC_PCREL as PIC expression for lea.
477 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
478 * config/i386/i386.c (ix86_delegitimize_address): Handle
479 UNSPEC_PCREL for none-MEM, too.
481 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
483 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
484 (ipa_tm_create_version_alias): Same.
486 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
489 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
490 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
492 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
493 Patrick Marlier <patrick.marlier@gmail.com>
494 Iain Sandoe <developer@sandoe-acoustics.co.uk>
497 * lto-wrapper.c (run_gcc): Pass the LTO section name to
498 simple_object_start_read.
500 2012-01-23 Richard Guenther <rguenther@suse.de>
503 PR tree-optimization/51895
504 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
505 parameter decomposition into BLKmode components.
507 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
509 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
510 fake variables for restrict-qualified pointers whose pointed-to type
511 contains a placeholder.
513 2012-01-23 Richard Guenther <rguenther@suse.de>
515 PR tree-optimization/51949
516 * ipa-split.c (execute_split_functions): Do not split malloc functions.
518 2012-01-23 Jakub Jelinek <jakub@redhat.com>
520 PR rtl-optimization/51933
521 * ree.c (transform_ifelse): Return true right away if dstreg is
522 already wider or equal to cand->mode.
523 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
524 (make_defs_and_copies_lists): Remove defs_list and copies_list
525 arguments, add state argument, just truncate state->work_list
526 instead of always allocating and freeing the vector. Assert that
527 get_defs succeeds instead of returning 2. Changed return type to bool.
528 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
529 have ext_src_mode, see if it has been modified already with the
530 right kind of extension and has been extended before from the
531 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
532 just return true. Remember the original mode in state->modified array.
533 (combine_reaching_defs): Add state argument. Don't allocate and
534 free here def_list, copied_list and vec vectors, instead just
535 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
536 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
537 Add state variable, clear vectors in it, initialize state.modified
538 if needed. Free all the vectors at the end and state.modified too.
539 Don't skip a candidate if the extension expression has been modified.
541 2012-01-22 Douglas B Rupp <rupp@gnat.com>
544 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
545 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
546 (extra_options) interix.opt -> i386/interix.opt"
547 (extra_objs):Add winnt-stubs.o
548 * configure.ac: Add interix to target_os .comm on PE check.
549 * configure: Regenerate.
550 * config/interix3.h: Delete and move bits to..
551 * config/interix.h: Delete and move bits to..
552 * config/i386/i386-interix3.h: Delete and move bits to..
553 * config/i386/i386-interix.h: ..here.
554 (TARGET_CPU_DEFAULT): Remove redefinition.
555 (TARGET_ASM_CONSTRUCTOR): Undefine.
556 (SUBTARGET_SWITCHES): Define for ms-bitfields.
557 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
558 (PTRDIFF_TYPE): Define.
559 (LONG_DOUBLE_TYPE_SIZE): Define.
560 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
561 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
562 (TARGET_SECTION_TYPE_FLAGS): Define.
563 (ASM_DECLARE_FUNCTION_NAME): Define.
564 (ASM_OUTPUT_EXTERNAL): Define.
565 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
566 (ASM_OUTPUT_ALIGNED_BSS): Define.
567 (PCC_BITFIELD_TYPE_MATTERS): Define.
568 (USE_CONST_SECTION): Define.
569 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
570 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
571 (SUPPORTS_ONE_ONLY): Remove.
572 (I386_PE_STRIP_ENCODING): Define.
573 * config/interix.opt: Delete and move bits to..
574 * config/i386/interix.opt: ..here. New.
575 (mpe-aligned-commons): Add.
576 * config/i386/t-interix: Add copyright header.
577 (winnt-stubs.o): Add rule.
579 2012-01-22 Jason Merrill <jason@redhat.com>
582 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
583 for extra name aliases.
585 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
587 PR rtl-optimization/51924
588 * ree.c (combine_set_extension): Improve debugging message.
589 (combine_reaching_defs): Likewise.
590 (get_defs): Rename confusingly named variable.
591 (find_and_remove_re): Skip a candidate if the extension expression has
594 2012-01-21 Robert Millan <rmh@gnu.org>
595 Gerald Pfeifer <gerald@pfeifer.com>
597 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
598 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
600 2012-01-20 Jakub Jelinek <jakub@redhat.com>
602 PR tree-optimization/51914
603 * tree-vect-stmts.c (vectorizable_conversion): For
604 cvt_type && modifier == WIDEN, put temporary with cvt_type
605 at the beginning of vec_dsts and set vec_dest to temporary
608 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
610 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
612 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
614 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
615 * config/rs6000/rs6000.c: Likewise.
617 2012-01-20 Jakub Jelinek <jakub@redhat.com>
620 * config/arm/arm.c (arm_count_output_move_double_insns): Call
621 output_move_double on a copy of operands array.
623 2012-01-20 Cary Coutant <ccoutant@google.com>
624 Dodji Seketeli <dodji@redhat.com>
627 * dwarf2out.c (copy_declaration_context): Return ref to parent
628 of declaration DIE, if necessary.
629 (remove_child_or_replace_with_skeleton): Add new parameter; update
630 caller. Place skeleton DIE under parent DIE of original declaration.
631 Move call to copy_declaration_context to here ...
632 (break_out_comdat_types): ... from here.
634 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
636 PR rtl-optimization/51856
637 * reload.c (find_reloads_subreg_address): Set the address_reloaded
640 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
643 * config/arm/arm.c (arm_print_operand): Correct output of alignment
644 hints for neon loads and stores.
646 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
650 * doc/extend.texi (Named Address Spaces): Split into subsections.
651 (AVR Named Address Spaces): New subsection.
652 (M32C Named Address Spaces): New subsection.
653 (RL78 Named Address Spaces): New subsection.
654 (SPU Named Address Spaces): New subsection.
655 (Variable Attributes): New anchor "AVR Variable Attributes".
656 (AVR Variable Attributes): Rewrite and avoid wording
657 "address space" in this context.
658 * doc/invoke.texi (AVR Options): Rewrite and add documentation
659 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
660 (AVR Built-in Macros): New subsubsection therein.
661 * doc/md.texi (AVR constraints): Remove "C04", "R".
663 2012-01-20 Richard Guenther <rguenther@suse.de>
665 PR tree-optimization/51903
666 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
669 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
672 * config/arm/arm.c (arm_load_pic_register): Use
673 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
674 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
675 (arm_pic_static_addr): Likewise.
676 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
677 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
678 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
679 (pic_load_addr_unified): New.
681 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
684 * function.c (instantiate_virtual_regs_in_insn): Use
685 delete_insn_and_edges when removing a wrong asm insn.
687 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
689 PR rtl-optimization/40761
690 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
691 Add new member loop_num.
692 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
693 (ira_build): Remove the parameter.
695 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
696 (ira.c): Do not build CFG loops for one region allocation. Remove
697 argument from ira_build call.
699 * ira-build.c (init_loop_tree_node): New function.
700 (create_loop_tree_nodes): Use it. Separate the case when CFG
702 (more_one_region_p): Check current_loops.
703 (finish_loop_tree_nodes): Separate the case when CFG loops are not
705 (add_loop_to_tree): Process loop equal to NULL too.
706 (form_loop_tree): Separate the case when CFG loops are not built.
707 Use explicitly number for the root.
708 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
710 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
711 instead of loop->num.
712 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
713 (mark_all_loops_for_removal): Ditto.
714 (remove_unnecessary_regions): Separate the case when CFG loops
716 (ira_build): Remove the parameter. Use explicit number of regions
717 when CFG loops are not built.
719 * ira-color.c (print_loop_title): Separate the case for the root node.
720 Use loop_num instead of loop->num.
721 (move_spill_restore): Use loop_num instead of loop->num.
723 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
724 (change_loop): Ditto.
725 (change_loop): Use loop_num instead of loop->num.
727 * ira-lives.c (process_bb_node_lives): Ditto.
729 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
731 * ira-conflicts.c (print_allocno_conflicts): Ditto.
733 2012-01-19 Jakub Jelinek <jakub@redhat.com>
736 * tree-mudflap.c (mf_artificial): New function.
737 (execute_mudflap_function_ops, execute_mudflap_function_decls,
738 mx_register_decls, mudflap_enqueue_decl): Use it.
741 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
742 numbers in the insn pattern.
744 2012-01-19 Michael Matz <matz@suse.de>
746 PR tree-optimization/46590
747 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
748 use it in remembering which conflicts we already created.
749 (add_scope_conflicts): Adjust call to above, (de)allocate helper
752 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
755 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
756 (merge_and_complain): Same.
758 2012-01-19 Jakub Jelinek <jakub@redhat.com>
761 * config/initfini-array.h: Guard content of the header
762 with #ifdef HAVE_INITFINI_ARRAY.
763 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
764 Add initfini-array.h to tm_file here.
765 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
766 * config.gcc: Don't add initfini-array.h to tm_file here.
767 * configure: Regenerated.
769 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
771 PR rtl-optimization/51505
772 * df-problems.c (df_kill_notes): New parameter live. Update comment.
773 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
774 (df_note_bb_compute): Update the call to df_kill_notes.
776 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
778 * trans-mem.c (requires_barrier): Remove call to is_global_var.
780 2012-01-18 Richard Guenther <rguenther@suse.de>
782 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
783 of conversions to void *.
785 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
786 Richard Sandiford <rdsandiford@googlemail.com>
790 * optabs.h (simplify_expand_binop): Declare.
791 * optabs.c (simplify_expand_binop): Make global.
792 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
793 endian targets if the source cannot be exactly covered by word
796 2012-01-17 Jakub Jelinek <jakub@redhat.com>
799 * hard-reg-set.h (struct hard_reg_set_container): New type.
800 * target.h (struct hard_reg_set_container): Forward declare.
801 * target.def (set_up_by_prologue): New target hook.
802 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
803 * doc/tm.texi: Regenerated.
804 * function.c (thread_prologue_and_epilogue_insns): Change
805 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
806 Call targetm.set_up_by_prologue on it.
807 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
808 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
810 2012-01-17 Nick Clifton <nickc@redhat.com>
812 * config/rx/rx.c (rx_can_use_simple_return): New function.
813 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
814 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
816 2012-01-17 Richard Guenther <rguenther@suse.de>
819 * expr.c (expand_assignment): Take address-space information
820 from the address operand of MEM_REF and TARGET_MEM_REF.
821 (expand_expr_real_1): Likewise.
823 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
825 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
826 reload dump is requested.
828 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
831 * trans-mem.c (requires_barrier): Call may_be_aliased.
833 2012-01-17 Jakub Jelinek <jakub@redhat.com>
835 PR tree-optimization/51877
836 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
837 call arguments and fndecls compare equal, instead return false if they
838 don't. Return true only if lhs1 and lhs2 are either both NULL, or
839 both SSA_NAMEs that are valueized the same, or they satisfy
842 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
844 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
846 * configure: Regenerate.
848 2012-01-16 Jan Hubicka <jh@suse.cz>
852 * convert.c (convert_to_integer): Use fold_convert for
853 converting an INTEGER_CST to integer type.
855 2012-01-16 Jason Merrill <jason@redhat.com>
858 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
860 2012-01-16 Jakub Jelinek <jakub@redhat.com>
863 * config/s390/s390.c (s390_chunkify_start): Don't skip
864 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
865 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
866 If insn is followed by NOTE_INSN_VAR_LOCATION or
867 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
868 Don't use location of note insns.
870 PR tree-optimization/51865
871 * tree-inline.c (tree_function_versioning): Call remap_decl
872 on DECL_RESULT whenever it has VOID_TYPE_P type.
874 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
876 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
877 for calls to locally-binding MIPS16 functions if only the return
878 type uses float regs.
880 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
881 Richard Sandiford <rdsandiford@googlemail.com>
883 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
884 (SYMBOL_32_HIGH): Likewise.
885 (mips_output_tls_reloc_directive): Declare.
886 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
887 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
888 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
889 (mips_lo_relocs, mips_hi_relocs): Make extern.
890 (mips16_stub_function): Move up file.
891 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
892 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
893 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
894 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
895 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
896 (mips_get_tp): Add MIPS16 support.
897 (mips_legitimize_tls_address): Remove MIPS16 sorry().
898 Generalize DTPREL and TPREL handling.
899 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
900 Add MIPS16 TLS support.
901 (mips_output_tls_reloc_directive): New function.
902 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
903 * config/mips/predicates.md (symbolic_operand_with_high)
904 (tls_reloc_operand): New predicates.
905 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
906 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
907 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
908 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
909 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
910 (*tls_get_tp_mips16_call_<mode>): Likewise.
912 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
914 PR rtl-optimization/51821
915 * recog.c (peep2_find_free_register): Determine clobbered registers
918 2012-01-14 Denis Chertykov <chertykov@gmail.com>
921 * config/avr/avr-protos.h: Revert change of 2012-01-09.
922 * config/avr/avr.c: Likewise.
923 * config/avr/avr.h: Likewise.
925 2012-01-13 Ian Lance Taylor <iant@google.com>
928 * tree.h (TYPE_QUALS): Add cast to int.
929 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
931 2012-01-13 Ian Lance Taylor <iant@google.com>
933 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
934 comparing param_index to VEC_length result.
936 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
938 * c-decl.c: Do not include tree-mudflap.h
939 * tree-optimize.c: Likewise.
940 * Makefile.in: Update dependencies.
942 2012-01-13 Richard Guenther <rguenther@suse.de>
945 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
946 variable-sized result always use RSO.
948 2012-01-12 DJ Delorie <dj@redhat.com>
950 * cfgexpand.c (convert_debug_memory_address): Allow any valid
951 pointer type, not just the default pointer type.
953 2012-01-09 Richard Henderson <rth@redhat.com>
954 Denis Chertykov <chertykov@gmail.com>
957 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
958 * config/avr/avr.c (avr_can_eliminate): Simplify.
959 (avr_initial_elimination_offset): Likewise.
960 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
961 (expand_epilogue): Likewise.
962 (avr_legitimize_address): Gut.
963 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
964 (avr_hard_regno_nregs): New.
965 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
966 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
967 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
968 add soft frame pointer.
969 (CALL_USED_REGISTERS): Likewise.
970 (REG_CLASS_CONTENTS): Likewise.
971 (REGISTER_NAMES): Likewise.
972 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
973 (HARD_FRAME_POINTER_REGNUM): New.
974 (FRAME_POINTER_REGNUM): Use soft frame pointer.
975 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
976 remove the HARD_FRAME_POINTER self-elimination.
978 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
981 * config/avr/avr.c (avr_encode_section_info): Test for absence of
982 DECL_EXTERNAL when checking for initializers of progmem variables.
984 2012-01-12 Ira Rosen <irar@il.ibm.com>
986 PR tree-optimization/51799
987 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
988 that the last operation is a type demotion.
990 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
992 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
993 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
995 2012-01-11 Jakub Jelinek <jakub@redhat.com>
998 * combine.c (distribute_notes): If i3 is a noreturn call,
999 allow old_size to be equal to args_size and make sure the
1000 noreturn call gets REG_ARGS_SIZE note.
1001 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1002 on noreturn calls even when the delta is 0.
1004 2012-01-11 Nathan Sidwell <nathan@acm.org>
1006 * gcov.c (STRING_SIZE): Remove.
1007 (generate_results): Erase annotations for source files with no
1008 coverage information.
1010 (output_lines): Use it.
1012 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1014 * gimple.h (gimplify_body): Remove first argument.
1015 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1016 pointer set here, instead just pass DATA to walk_tree.
1017 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1018 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1019 (unvisit_body): Likewise, but with unmark_visited.
1020 (gimplify_body): Remove BODY_P argument and adjust.
1021 (gimplify_function_tree): Adjust call to gimplify_body.
1022 * omp-low.c (finalize_task_copyfn): Likewise.
1024 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1026 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1027 (build_function_type_skip_args): Delete.
1028 * tree.c (build_function_type_skip_args): Make static and add
1029 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1030 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1031 pass it to build_function_type_skip_args.
1032 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1033 (tree_function_versioning): Likewise.
1034 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1035 build_function_decl_skip_args.
1036 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1037 and pass it to build_function_decl_skip_args/tree_function_versioning.
1038 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1039 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1040 * trans-mem.c (ipa_tm_create_version): Likewise.
1041 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1042 * tree-inline.c (declare_return_variable): Remove always-true test.
1043 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1044 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1045 * ipa-split.c (split_function): Skip the return value for the split
1046 part if it doesn't return.
1048 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1050 PR tree-optimization/49642
1051 * ipa-split.c (forbidden_dominators): New variable.
1052 (check_forbidden_calls): New function.
1053 (dominated_by_forbidden): Likewise.
1054 (consider_split): Check for forbidden dominators.
1055 (execute_split_functions): Initialize and free forbidden
1056 dominators info; call check_forbidden_calls.
1058 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1060 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1062 2012-01-11 Nick Clifton <nickc@redhat.com>
1064 * config/rx/rx.md (return): Define pattern.
1066 2012-01-11 Richard Guenther <rguenther@suse.de>
1068 * doc/extend.texi (malloc attribute): Adjust according to
1071 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1072 Patrick Marlier <patrick.marlier@gmail.com>
1075 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1076 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1077 (ipa_tm_note_irrevocable): Same.
1078 (ipa_tm_scan_irr_block): Same.
1079 (ipa_tm_decrement_clone_counts): Same.
1080 (ipa_tm_scan_irr_function): Same.
1081 (ipa_tm_create_version_alias): Same.
1082 (ipa_tm_create_version): Same.
1083 (ipa_tm_transform_calls_redirect): Same.
1084 (ipa_tm_transform_calls): Same.
1085 (ipa_tm_transform_transaction): Same.
1086 (ipa_tm_execute): Same.
1088 2012-01-10 Richard Guenther <rguenther@suse.de>
1091 * opts.c (common_handle_option): Handle -Werror.
1093 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1095 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1098 2012-01-10 Jason Merrill <jason@redhat.com>
1100 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1103 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1105 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1106 supports R_386_TLS_GD_PLT reloc.
1107 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1108 supports R_386_TLS_LDM_PLT reloc.
1109 * configure: Regenerate.
1110 * config.in: Regenerate.
1112 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1115 Extend __pgmx semantics to linearize memory.
1116 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1117 determine if code comes inline or from libgcc.
1118 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1119 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1120 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1121 (movmemx_qi, movmemx_hi): New insns.
1122 (xload_<mode>_libgcc): Rewrite to new insn condition.
1123 (xload_<mode>): Remove insns.
1124 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1125 cases that don't satisfy avr_xload_libgcc_p().
1126 (avr_addr_space_convert): Allow converting in any direction.
1127 (avr_addr_space_subset_p): Return always true.
1128 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1129 (avr_emit_movmemhi): Ditto.
1130 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1131 (avr_out_movmem): Ditto.
1132 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1133 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1134 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1135 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1136 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1138 2012-01-10 Richard Guenther <rguenther@suse.de>
1140 PR tree-optimization/50913
1141 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1142 Require data-refs to be representable by Graphite with respect
1145 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1147 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1148 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1150 2012-01-10 Tom de Vries <tom@codesourcery.com>
1152 PR rtl-optimization/51271
1153 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1154 handling annulled branch.
1156 2012-01-10 Richard Henderson <rth@redhat.com>
1158 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1159 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1160 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1161 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1162 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1163 arm_expand_vec_perm_const): New.
1164 * config/arm/arm-protos.h: Update.
1165 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1166 (*neon_vswp<VDQX>): New.
1167 (neon_vcombine<VDX>): Use neon_split_vcombine.
1168 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1169 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1170 (vec_perm<VE>): New.
1172 2012-01-10 Richard Henderson <rth@redhat.com>
1174 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1175 use it if reload_completed.
1176 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1177 arm_output_asm_insn, arm_process_output_memory_barrier,
1178 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1179 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1180 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1181 arm_process_output_sync_insn, arm_output_sync_insn,
1182 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1183 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1184 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1185 (emit_unlikely_jump): New.
1186 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1187 (arm_split_atomic_op): New.
1188 * config/arm/arm-protos.h: Update.
1189 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1190 (struct arm_sync_generator): Remove.
1191 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1192 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1193 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1194 (VUNSPEC_LL, VUNSPEC_SC): New.
1195 (sync_result, sync_memory, sync_required_value, sync_new_value,
1196 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1197 (attr length): Don't use arm_sync_loop_insns.
1198 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1199 (movsfcc, movdfcc): Likewise.
1200 * config/arm/constraints.md (Ua): New.
1201 * config/arm/prediates.md (mem_noofs_operand): New.
1202 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1203 (sync_clobber, sync_t2_reqd): Remove.
1204 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1205 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1206 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1207 (arm_sync_compare_and_swap<SIDI>): Remove.
1208 (arm_sync_compare_and_swap<NARROW>): Remove.
1209 (arm_sync_lock_test_and_set<SIDI>): Remove.
1210 (arm_sync_lock_test_and_set<NARROW>): Remove.
1211 (arm_sync_new_<syncop><SIDI>): Remove.
1212 (arm_sync_new_<syncop><NARROW>): Remove.
1213 (arm_sync_new_nand<SIDI>): Remove.
1214 (arm_sync_new_nand<NARROW>): Remove.
1215 (arm_sync_old_<syncop><SIDI>): Remove.
1216 (arm_sync_old_<syncop><NARROW>): Remove.
1217 (arm_sync_old_nand<SIDI>): Remove.
1218 (arm_sync_old_nand<NARROW>): Remove.
1219 (*memory_barrier): Merge arm_output_memory_barrier.
1220 (atomic_compare_and_swap<QHSD>): New.
1221 (atomic_compare_and_swap<NARROW>_1): New.
1222 (atomic_compare_and_swap<SIDI>_1): New.
1223 (atomic_exchange<QHSD>): New.
1224 (cas_cmp_operand, cas_cmp_str): New.
1225 (atomic_op_operand, atomic_op_str): New.
1226 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1227 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1228 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1229 (arm_load_exclusive<NARROW>): New.
1230 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1231 (arm_store_exclusive<QHSD>): New.
1233 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1235 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1236 reload patterns if -mvsx-scalar-memory.
1238 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1239 generated, even -mno-vsx-scalar-double was used.
1240 (vsx_xscvdpsp_scalar): Likewise.
1241 (vsx_xscvspdp_scalar2): Likewise.
1243 2012-01-09 Tom de Vries <tom@codesourcery.com>
1244 Andrew Pinski <apinski@cavium.com>
1247 * reorg.c (fill_slots_from_thread): Don't speculate
1248 frame-related insns.
1250 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1252 * sched-int.h (bb_note): Move to...
1253 * basic-block.h: ...here.
1254 * haifa-sched.c (bb_note): Move to...
1255 * cfgrtl.c: ...here.
1256 * function.c (next_block_for_reg): New function.
1257 (move_insn_for_shrink_wrap): Likewise.
1258 (prepare_shrink_wrap): Rewrite to use the above.
1260 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1262 * gimple.c (is_gimple_non_addressable): Remove.
1263 * gimple.h: Remove is_gimple_non_addressable.
1264 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1265 is_gimple_non_addressable.
1266 * trans-mem.c (expand_assign_tm): Same.
1268 2012-01-09 Richard Guenther <rguenther@suse.de>
1270 PR tree-optimization/51775
1271 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1272 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1274 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1276 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1278 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1280 2012-01-09 Richard Guenther <rguenther@suse.de>
1282 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1284 2012-01-08 Jan Hubicka <jh@suse.cz>
1286 PR tree-optimize/51680
1287 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1288 on when known_vals needs to be computed; cleanup.
1290 2012-01-08 Jan Hubicka <jh@suse.cz>
1292 PR tree-optimize/51694
1293 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1295 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1297 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1298 for -std=c++98 and -std=c++11 too.
1300 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1302 * cfgloop.c (cancel_loop): Add free() of bbs array.
1304 2012-01-07 Jan Hubicka <jh@suse.cz>
1306 PR tree-optimization/51600
1307 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1308 that benefits small functions.
1310 2012-01-07 Jan Hubicka <jh@suse.cz>
1312 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1314 2012-01-07 Jan Hubicka <jh@suse.cz>
1316 PR tree-optimization/51680
1317 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1318 whose inlining reduce unit size.
1320 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1323 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1324 Add canonical node to containing_mem chain after the non-canonical
1325 one, even if there weren't any locs to propagate.
1326 (remove_useless_values): Keep only canonical values.
1327 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1328 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1329 canonicalize mem_chain elements that are not discarded.
1331 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1334 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1335 before emitting functions.
1337 PR gcov-profile/50127
1338 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1339 clear_aux_for_blocks.
1341 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1344 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1346 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1348 * c-decl.c (ext_block): Moved up.
1349 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1351 2012-01-06 Han Shen <shenhan@google.com>
1353 Translate built-in include paths for sysroot.
1354 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1355 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1357 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1358 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1360 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1361 control whether sysroot should be prepended to gxx include dir.
1363 * configure: Regenerate.
1365 2012-01-06 Torvald Riegel <triegel@redhat.com>
1367 PR rtl-optimization/51771
1368 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1369 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1371 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1373 PR tree-optimization/51315
1374 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1375 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1377 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1380 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1381 for shrp pattern. Correctly handle and fixup shift variable.
1382 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1384 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1387 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1388 note when !ACCUMULATE_OUTGOING_ARGS.
1390 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1392 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1394 (extract_range_from_unary_expr_1): Avoid useless computations.
1396 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1398 PR rtl-optimization/51767
1399 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1400 of jump_block and add an extra edge for degenerated asm gotos.
1403 * stmt.c (check_unique_operand_names): Don't ICE during error
1404 reporting if i is from labels chain.
1407 * profile.c (branch_prob): Split bbs that have exit edge
1408 and need a fake entry edge too.
1410 2012-01-05 Jan Hubicka <jh@suse.cz>
1413 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1416 2012-01-05 Richard Guenther <rguenther@suse.de>
1419 * tree-streamer-out.c (write_ts_optimization): New function.
1420 (streamer_write_tree_body): Call it.
1421 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1422 (streamer_read_tree_body): Call it.
1423 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1425 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1428 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1429 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1430 in_cleanup_point_expr before gimplify_stmt call and restore it
1432 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1433 in_cleanup_point_expr is false.
1435 2012-01-05 Richard Guenther <rguenther@suse.de>
1438 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1440 * toplev.c (process_options): Reject combining mudflap and LTO.
1441 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1443 2012-01-05 Richard Guenther <rguenther@suse.de>
1445 PR tree-optimization/51760
1446 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1448 (bit_value_unop): Handle UNDEFINED operands.
1449 (bit_value_binop): Likewise.
1451 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1453 * config/avr/avr.c (avr_replace_prefix): Remove.
1454 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1455 (avr_asm_function_rodata_section): Ditto.
1456 (avr_asm_select_section): Ditto.
1458 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1460 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1463 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1466 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1467 calls that have any non-fake successor edges.
1470 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1472 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1474 PR tree-optimization/51624
1475 * tree-sra.c (build_ref_for_model): When replicating a chain of
1476 COMPONENT_REFs, stop as soon as the offset would become negative.
1478 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1481 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1482 in .debug_loc on the floor.
1484 2012-01-04 Andrew Pinski <apinski@cavium.com>
1486 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1488 2012-01-04 Andrew Pinski <apinski@cavium.com>
1489 Adam Nemet <anemet@caviumnetworks.com>
1491 * config/mips/mips.md (size): Add SI and DI.
1492 (SIZE): New mode attribute.
1493 (U): New code attribute.
1494 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1495 (mips_lbux_<mode>): Delete.
1496 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1497 (mips_lhx): Use gen_mips_lhx_extsi.
1498 (mips_lhx_<mode>): Delete.
1500 (mips_l<size>x): New expand.
1501 (mips_lwx_<mode>): Delete.
1502 (mips_l<GPR:size>x_<P:mode>): New pattern.
1503 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1504 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1505 * config/mips/mips.c (mips_lx_address_p): New function.
1506 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1507 (dsp64): New availability predicate.
1508 (mips_builtins): Add an entry for __builtin_mips_ldx.
1509 * config/mips/mips.h (ISA_HAS_LBX): New define.
1510 (ISA_HAS_LBUX): Likewise.
1511 (ISA_HAS_LHX): Likewise.
1512 (ISA_HAS_LHUX): Likewise.
1513 (ISA_HAS_LWX): Likewise.
1514 (ISA_HAS_LWUX): Likewise.
1515 (ISA_HAS_LDX): Likewise.
1516 * doc/extend.texi (__builtin_mips_ldx): Document.
1518 2012-01-04 Tristan Gingold <gingold@adacore.com>
1520 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1521 when long pointers are used.
1522 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1523 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1524 (ia64-hp-*vms*): Remove.
1525 * config/vms/xm-vms64.h: Delete.
1527 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1530 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1532 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1534 * opts.c (finish_options): Remove duplicate sorry.
1536 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1539 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1542 2012-01-04 Richard Guenther <rguenther@suse.de>
1545 * tree.c (size_low_cst): New function.
1546 * tree.h (size_low_cst): Declare.
1547 * fold-const.c (fold_comparison): Use it to extract the low
1548 part of the POINTER_PLUS_EXPR offset.
1550 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1552 Fix clearing ZERO_REG
1553 * config/avr/avr.md (cc): Add alternative "ldi".
1554 (movqi_insn): Use it in cc attribute.
1555 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1556 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1557 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1559 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1561 * configure: Regenerate.
1563 2012-01-04 Richard Guenther <rguenther@suse.de>
1565 PR tree-optimization/49651
1566 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1567 (var_can_have_subvars): Use it.
1568 (get_constraint_for_1): Only consider subfields if there can be any.
1570 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1573 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1574 to its new canonical_cselib_val and the cselib_val was in
1575 first_containing_mem chain, but the canonical_cselib_val was not,
1576 add the latter into the chain.
1577 (cselib_invalidate_mem): Compare canonical_cselib_val of
1578 addr_list chain elt with v.
1581 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1582 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1584 (output_macinfo_op): Don't ggc_strdup fd->filename.
1585 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1586 then ggc_strdup it. Don't free inc->info or cur->info.
1587 (output_macinfo): Don't free ref->info or file->info.
1589 2012-01-03 Ira Rosen <irar@il.ibm.com>
1591 PR tree-optimization/51269
1592 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1593 first_niters a pointer.
1594 (slpeel_tree_peel_loop_to_edge): Likewise.
1595 (vect_do_peeling_for_loop_bound): Update call to
1596 slpeel_tree_peel_loop_to_edge.
1597 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1598 here. Remove it from the parameters list.
1599 (vect_do_peeling_for_alignment): Update calls and compute
1602 2012-01-03 Richard Guenther <rguenther@suse.de>
1604 PR tree-optimization/51070
1605 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1606 Properly handle calls.
1608 2012-01-03 Richard Guenther <rguenther@suse.de>
1610 PR tree-optimization/51692
1611 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1612 the LHS of allocation stmts.
1614 2012-01-03 Olivier Hainque <hainque@adacore.com>
1616 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1618 2012-01-03 Olivier Hainque <hainque@adacore.com>
1620 * collect2.c (main): In AIX specific computations for vector
1621 insertions, use CONST_CAST2 to cast from char ** to const char **.
1623 2012-01-03 Richard Guenther <rguenther@suse.de>
1626 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1627 the context of a limbo DIE when it does not already exist.
1629 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1631 PR tree-optimization/51719
1632 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1633 but direct call is, clear direct call's lhs and don't add fallthrough
1634 edge from dcall_bb to join_bb and PHIs.
1636 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1638 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1639 the instructions emitted by the pattern.
1640 ("*TDC_insn_<mode>"): Add comment.
1642 2012-01-03 Richard Guenther <rguenther@suse.de>
1645 * fold-const.c (fold_comparison): Properly canonicalize
1646 tree offset and HOST_WIDE_INT bit position.
1648 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1650 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1651 operands for extzv pattern.
1653 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1656 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1659 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1661 * doc/invoke.texi (-flto and related options): Copy-edit.
1663 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1665 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1667 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1669 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1672 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1674 * expr.h (move_by_pieces_ninsns): Declare.
1675 * expr.c (move_by_pieces_ninsns): Make external.
1676 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1677 (mips_store_by_pieces_p): Likewise.
1678 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1679 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1680 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1681 (mips_store_by_pieces_p): Likewise.
1683 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1685 * passes.c (register_one_dump_file): Free full_name.
1687 * reload1.c (reload): Don't allocate reg_max_ref_width here.
1688 (calculate_elim_costs_all_insns): Free offsets_at and
1689 offsets_known_at at the end and clear the pointers.
1691 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1693 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1694 this option introduced in r180739.
1696 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1699 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1700 (tmake_file target=avr): Add avr/t-multilib.
1702 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1703 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1704 * config/avr/genmultilib.awk: New file.
1705 * config/avr/t-multilib: New auto-generated file.
1706 * config/avr/multilib.h: New auto-generated file.
1707 * config/avr/t-avr (AVR_MCUS): New variable.
1708 (genopt.sh): Use it.
1709 (s-mlib): Depend on t-multilib.
1710 (t-multilib, multilib.h): New dependencies.
1711 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1712 (MULTILIB_OPTIONS): Remove.
1713 (MULTILIB_MATCHES): Remove.
1714 (MULTILIB_DIRNAMES): Remove.
1715 (MULTILIB_EXCEPTIONS): Remove:
1716 * config/avr/genopt.sh: Don't use hard coded file name;
1717 pass AVR_MCUS from t-avr instead.
1719 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1721 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1723 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1725 Implement light-weight DImode support.
1726 * config/avr/avr-dimode.md: New file.
1727 * config/avr/avr.md: Include it.
1728 (adjust_len): Add plus64, compare64.
1729 (HIDI): Remove code iterator.
1730 (code_stdname): New code attribute.
1731 (rotx, rotsmode): Remove DI.
1732 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1734 * config/avr/avr-protos.h (avr_have_dimode): New.
1735 (avr_out_plus64, avr_out_compare64): New.
1736 * config/avr/avr.c (avr_out_compare): Handle DImode.
1737 (avr_have_dimode): New variable definition and initialization.
1738 (avr_out_compare64, avr_out_plus64): New functions.
1739 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1740 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1741 (avr_compare_pattern): Skip DImode comparisons.
1743 2012-01-02 Revital Eres <revital.eres@linaro.org>
1745 * ddg.c (def_has_ccmode_p): New function.
1746 (add_cross_iteration_register_deps,
1747 create_ddg_dep_from_intra_loop_link): Call it.
1749 2012-01-02 Richard Guenther <rguenther@suse.de>
1752 * invoke.texi (fassociative-math): Remove spurious paranthesis.
1754 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1756 * gcc.c (process_command): Update copyright notice dates.
1757 * gcov.c (print_version): Likewise.
1758 * gcov-dump.c (print_version): Likewise.
1759 * mips-tfile.c (main): Likewise.
1760 * mips-tdump.c (main): Likewise.
1762 2012-01-01 Ira Rosen <irar@il.ibm.com>
1764 PR tree-optimization/51704
1765 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1766 a use is inside the basic block or loop before accessing its vect info.
1768 2012-01-01 Jan Hubicka <jhjh@suse.cz>
1770 PR rtl-optimization/51069
1771 * cfgloopmanip.c (remove_path): Removing path making irreducible
1772 region unconditional makes BB part of the region.
1774 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1776 PR tree-optimization/51683
1777 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1778 calls with side-effects.
1779 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1781 Copyright (C) 2012 Free Software Foundation, Inc.
1783 Copying and distribution of this file, with or without modification,
1784 are permitted in any medium without royalty provided the copyright
1785 notice and this notice are preserved.