1 2012-01-30 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/51528
4 * tree-sra.c (sra_modify_assign): Re-factor in preparation
7 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
9 * df-problems.c (df_kill_notes): Check that the use refers
10 to the note under examination.
12 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
15 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
16 parameter and use short-lived pseudos.
17 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
18 (sparc_expand_vector_init): Const-ify local variables and adjust
19 calls to above functions.
21 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
23 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
25 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
27 * doc/invoke.texi: Make usage of "compile time" and
28 "run time"/"runtime" consistent throughout the file.
30 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
32 * config/alpha/alpha.c (alpha_option_overrride): Default to
33 full IEEE compliance mode for Go language.
35 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
37 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
38 (LINK_SSP_SPEC): Define.
40 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
43 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
46 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
48 * doc/invoke.texi: Correct hyphenation of "floating point",
49 "double precision", and related terminology throughout the file.
51 2012-01-28 Jakub Jelinek <jakub@redhat.com>
54 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
55 arm_general_register_operand predicate for operand 2 instead of
58 2012-01-27 Ian Lance Taylor <iant@google.com>
61 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
62 * builtins.c (expand_builtin_init_trampoline): Add onstack
63 parameter. Change caller.
64 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
65 * tree.c (build_common_builtin_nodes): Declare
66 __builtin_init_heap_trampoline.
68 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
70 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
71 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
72 * config/avr/avr.c: Ditto.
73 (avr_regnames): Remove because unused.
74 * config/avr/avr.md (*cpse.ne): New peephole.
75 (*cpse.eq): New peephole from former cpse peepholes.
77 2012-01-27 Michael Eager <eager@eagercon.com>
79 * config/microblaze.c (microblaze_emit_compare): Correct
80 test after pcmp instruction.
82 2012-01-27 Richard Guenther <rguenther@suse.de>
84 PR tree-optimization/52020
85 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
87 2012-01-27 Richard Guenther <rguenther@suse.de>
89 * ipa-pure-const.c (check_stmt): Clobbers do not make a
90 function non-const/pure.
92 2012-01-27 Richard Guenther <rguenther@suse.de>
94 PR tree-optimization/50444
95 * tree-sra.c (build_ref_for_offset): Properly adjust the
96 MEM_REF type for unaligned accesses.
98 2012-01-27 Richard Guenther <rguenther@suse.de>
100 PR tree-optimization/50444
101 * expr.c (mem_ref_refers_to_non_mem_p): New function.
102 (expand_assignment): Use it. Properly handle misaligned
103 bases when expanding stores to component references.
104 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
107 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
110 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
111 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
112 * tree-data-ref.c (find_data_references_in_loop): Make static.
113 (compute_all_dependences): Change return type to bool. Bail out
114 for too many datarefs in a loop. Move the hunk resetting the data
115 dependences vector from ...
116 (compute_data_dependences_for_loop): ... here. Account for
117 compute_all_dependences returning false.
118 (compute_data_dependences_for_bb): Likewise.
119 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
120 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
122 2012-01-27 Richard Guenther <rguenther@suse.de>
125 * expr.c (store_field): Use the alias-set of the scratch memory
128 2012-01-27 Tom de Vries <tom@codesourcery.com>
130 PR tree-optimization/51990
131 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
133 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
135 2012-01-27 Jakub Jelinek <jakub@redhat.com>
138 * var-tracking.c (reverse_op): Don't add any reverse operation
139 if V already has any constant locations.
141 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
143 * doc/invoke.texi: Correct usage of "command line" (noun)
144 vs "command-line" (adjective) throughout.
146 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
148 * doc/invoke.texi (Language Independent Options): Move
149 -Wcoverage-mismatch blurb from here....
150 (Warning Options): ...to here.
152 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
154 * config/rs6000/rs6000.c (rs6000_option_override_internal):
155 Set rs6000_always_hint to false for 476.
157 2012-01-27 Matthias Klose <doko@ubuntu.com>
159 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
161 * incpath.c (add_standard_paths): Likewise.
163 2012-01-27 Richard Henderson <rth@redhat.com>
165 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
166 * config/m68k/sync.md (atomic_test_and_set): Rename from
167 sync_test_and_setqi and adjust the operands.
168 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
169 and unconditionally enable.
171 2012-01-27 Richard Henderson <rth@redhat.com>
173 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
174 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
175 (ldstub): Rename from ldstubqi.
176 (ldstub<I24MODE>): Remove.
178 2012-01-27 Richard Henderson <rth@redhat.com>
180 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
181 * c-cppbuiltin.c (cpp_atomic_builtins): Define
182 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
183 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
184 * doc/tm.texi: Rebuild.
186 2012-01-27 Richard Henderson <rth@redhat.com>
188 * optabs.c (gen_atomic_test_and_set): Remove default.
189 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
191 2012-01-26 Jakub Jelinek <jakub@redhat.com>
193 PR rtl-optimization/51978
194 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
195 (combine_reaching_defs): Likewise.
196 (struct re_info): Remove.
197 (add_removable_extension): Remove x and data arguments,
198 add insn, insn_list and def_map. Use the arguments directly
199 instead of using struct re_info.
200 (find_removable_extensions): Don't call add_removable_extension
201 through note_stores, instead just call it with single_set
203 (find_and_remove_re): Pass curr_cand->expr instead of
204 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
206 2012-01-26 Michael Matz <matz@suse.de>
208 PR tree-optimization/46590
209 * cfgexpand.c: Revert last change (r183305).
210 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
212 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
213 checking for emptiness.
215 2012-01-26 Jakub Jelinek <jakub@redhat.com>
218 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
219 non-addressable non-BLKmode base correctly.
221 2012-01-26 Michael Matz <matz@suse.de>
223 PR tree-optimization/48794
224 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
225 regions referenced from RESX/EH_DISPATCH.
227 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
229 * config/s390/s390.h: Make BRANCH_COST an option.
230 * config/s390/s390.opt: New option -mbranch-cost.
232 2012-01-26 Richard Henderson <rth@redhat.com>
234 Revert 2012-01-24 change:
235 * trans-mem.c (requires_barrier): Do not instrument thread local
236 variables and emit save/restore for them.
238 2012-01-25 Jakub Jelinek <jakub@redhat.com>
241 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
244 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
246 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
249 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
252 Rename __pgm to __flash.
253 Rename __pgm1 to __flash1.
254 Rename __pgm2 to __flash2.
255 Rename __pgm3 to __flash3.
256 Rename __pgm4 to __flash4.
257 Rename __pgm5 to __flash5.
258 Rename __pgmx to __memx.
259 * doc/extend.texi (AVR Named Address Spaces)
260 Rename address space names as indicated above.
261 * config/avr/avr.c (avr_addrspace): Ditto.
263 * config/avr/avr-protos.h
264 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
265 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
266 * config/avr/predicates.md: Ditto.
267 * config/avr/avr.c Ditto, and
268 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
269 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
271 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
272 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
273 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
274 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
275 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
276 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
277 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
278 * config/avr/avr.c: Ditto.
279 * config/avr/avr.md: Ditto.
281 2012-01-25 Jason Merrill <jason@redhat.com>
284 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
286 2012-01-25 Jakub Jelinek <jakub@redhat.com>
288 PR tree-optimization/51987
289 * tree-data-ref.c (get_references_in_stmt): Handle references in
290 non-volatile GIMPLE_ASM.
292 2012-01-25 Richard Guenther <rguenther@suse.de>
294 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
295 bases are dereferenced.
297 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
299 PR rtl-optimization/48374
300 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
302 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
304 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
305 compute_data_dependences_for_loop returns false.
306 * tree-parloops.c (loop_parallel_p): Likewise.
308 2012-01-25 Richard Guenther <rguenther@suse.de>
310 * tree.h (get_pointer_alignment_1): Declare.
311 * builtins.c (get_pointer_alignment_1): New function.
312 (get_pointer_alignment): Use it.
314 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
316 PR rtl-optimization/48308
317 * combine.c (enum undo_kind): Add UNDO_LINKS.
318 (struct undo): Add member l to other_contents and where.
319 (do_SUBST_LINK): New.
321 (try_combine): Handle LOG_LINKS for the dummy i1 case.
322 (undo_all): Handle UNDO_LINKS.
324 2012-01-25 Richard Henderson <rth@redhat.com>
326 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
329 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
331 * optabs.c (gen_atomic_test_and_set): Use each argument.
333 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
335 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
336 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
337 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
338 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
339 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
340 TARGET_PAIRED_SINGLE_FLOAT.
342 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
344 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
345 (in_struct, return_val): Remove MEM documentation.
346 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
347 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
348 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
350 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
351 * cfgexpand.c (add_alias_set_conflicts): Likewise.
352 * expr.c (store_field): Likewise.
353 * function.c (assign_stack_temp_for_type): Likewise.
354 * ifcvt.c (noce_try_cmove_arith): Likewise.
355 * reload1.c (reload): Likewise.
356 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
357 (alpha_set_memflags): Likewise.
358 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
360 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
362 * rtl.h (true_dependence, canon_true_dependence): Remove varies
364 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
365 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
366 (true_dependence_1, true_dependence, canon_true_dependence): Remove
368 * cselib.c (cselib_rtx_varies_p): Delete.
369 (cselib_invalidate_mem): Update call to canon_true_dependence.
370 * dse.c (record_store, check_mem_read_rtx): Likewise.
371 (scan_reads_nospill): Likewise.
372 * cse.c (check_dependence): Likewise.
373 (cse_rtx_varies_p): Delete.
374 * expr.c (safe_from_p): Update call to true_dependence.
375 * ira.c (validate_equiv_mem_from_store): Likewise.
376 (memref_referenced_p): Likewise.
377 * postreload-gcse.c (find_mem_conflicts): Likewise.
378 * sched-deps.c (sched_analyze_2): Likewise.
379 * store-motion.c (load_kills_store): Likewise.
380 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
381 * gcse.c (mems_conflict_for_gcse_p): Likewise.
382 (compute_transp): Update call to canon_true_dependence.
384 2012-01-25 Richard Henderson <rth@redhat.com>
386 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
387 (maybe_emit_atomic_test_and_set): New.
388 (expand_sync_lock_test_and_set): Use it.
389 (expand_atomic_test_and_set): Likewise.
390 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
391 the implementation; clarify implementation defined details.
392 * doc/md.texi (atomic_test_and_set): Document.
394 2012-01-25 Richard Henderson <rth@redhat.com>
396 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
398 2012-01-25 Richard Henderson <rth@redhat.com>
401 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
402 to effect no-op split.
404 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
407 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
408 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
409 (BT_FN_VOID_PTR_INT_SIZE): New.
410 (BT_FN_UINT_UINT_VAR): Remove.
411 (BT_FN_UINT32_UINT32_VAR): New.
412 (BT_FN_DOUBLE_VPTR): Remove.
413 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
415 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
416 (_ITM_changeTransactionMode): Same.
417 (_ITM_memmoveRtWt): Change return type to void.
418 (_ITM_memcpyRtWt): Same.
419 (_ITM_memsetW): Same.
420 (_ITM_RaRD): Change types to double.
425 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
427 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
428 Patrick Marlier <patrick.marlier@gmail.com>
430 * trans-mem.c (requires_barrier): Do not instrument thread local
431 variables and emit save/restore for them.
433 2012-01-24 Jason Merrill <jason@redhat.com>
436 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
437 output static aliases.
439 2012-01-24 Jakub Jelinek <jakub@redhat.com>
442 * common.opt (-pie, -shared, pie, shared): Change from Common to
444 * gcc.c (display_help): Display help for -pie and -shared.
446 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
449 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
450 Remove note on size/offset limitation.
451 (AVR Variable Attributes): Add example how to read data located
452 with progmem. Refer to named address spaces.
453 * doc/invoke.texi (AVR Options): Fix typo.
455 2012-01-24 Richard Guenther <rguenther@suse.de>
457 Forward-port to trunk
458 2010-09-21 Jakub Jelinek <jakub@redhat.com>
461 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
462 op0 isn't sufficiently aligned and there is movmisalignM
463 insn for mode, use it to load op0 into a temporary register.
465 2012-01-24 Jakub Jelinek <jakub@redhat.com>
468 * target.def (const_not_ok_for_debug_p): New hook.
469 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
471 * doc/tm.texi: Regenerated.
472 * dwarf2out.c (const_ok_for_output_1): If
473 targetm.const_not_ok_for_debug_p returns true, fail.
474 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
476 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
478 2012-01-23 Kai Tietz <ktietz@redhat.com>
481 * config/i386/predicates.md (symbolic_operand): Allow
482 UNSPEC_PCREL as PIC expression for lea.
483 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
484 * config/i386/i386.c (ix86_delegitimize_address): Handle
485 UNSPEC_PCREL for none-MEM, too.
487 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
489 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
490 (ipa_tm_create_version_alias): Same.
492 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
495 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
496 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
498 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
499 Patrick Marlier <patrick.marlier@gmail.com>
500 Iain Sandoe <developer@sandoe-acoustics.co.uk>
503 * lto-wrapper.c (run_gcc): Pass the LTO section name to
504 simple_object_start_read.
506 2012-01-23 Richard Guenther <rguenther@suse.de>
509 PR tree-optimization/51895
510 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
511 parameter decomposition into BLKmode components.
513 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
515 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
516 fake variables for restrict-qualified pointers whose pointed-to type
517 contains a placeholder.
519 2012-01-23 Richard Guenther <rguenther@suse.de>
521 PR tree-optimization/51949
522 * ipa-split.c (execute_split_functions): Do not split malloc functions.
524 2012-01-23 Jakub Jelinek <jakub@redhat.com>
526 PR rtl-optimization/51933
527 * ree.c (transform_ifelse): Return true right away if dstreg is
528 already wider or equal to cand->mode.
529 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
530 (make_defs_and_copies_lists): Remove defs_list and copies_list
531 arguments, add state argument, just truncate state->work_list
532 instead of always allocating and freeing the vector. Assert that
533 get_defs succeeds instead of returning 2. Changed return type to bool.
534 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
535 have ext_src_mode, see if it has been modified already with the
536 right kind of extension and has been extended before from the
537 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
538 just return true. Remember the original mode in state->modified array.
539 (combine_reaching_defs): Add state argument. Don't allocate and
540 free here def_list, copied_list and vec vectors, instead just
541 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
542 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
543 Add state variable, clear vectors in it, initialize state.modified
544 if needed. Free all the vectors at the end and state.modified too.
545 Don't skip a candidate if the extension expression has been modified.
547 2012-01-22 Douglas B Rupp <rupp@gnat.com>
550 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
551 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
552 (extra_options) interix.opt -> i386/interix.opt"
553 (extra_objs):Add winnt-stubs.o
554 * configure.ac: Add interix to target_os .comm on PE check.
555 * configure: Regenerate.
556 * config/interix3.h: Delete and move bits to..
557 * config/interix.h: Delete and move bits to..
558 * config/i386/i386-interix3.h: Delete and move bits to..
559 * config/i386/i386-interix.h: ..here.
560 (TARGET_CPU_DEFAULT): Remove redefinition.
561 (TARGET_ASM_CONSTRUCTOR): Undefine.
562 (SUBTARGET_SWITCHES): Define for ms-bitfields.
563 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
564 (PTRDIFF_TYPE): Define.
565 (LONG_DOUBLE_TYPE_SIZE): Define.
566 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
567 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
568 (TARGET_SECTION_TYPE_FLAGS): Define.
569 (ASM_DECLARE_FUNCTION_NAME): Define.
570 (ASM_OUTPUT_EXTERNAL): Define.
571 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
572 (ASM_OUTPUT_ALIGNED_BSS): Define.
573 (PCC_BITFIELD_TYPE_MATTERS): Define.
574 (USE_CONST_SECTION): Define.
575 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
576 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
577 (SUPPORTS_ONE_ONLY): Remove.
578 (I386_PE_STRIP_ENCODING): Define.
579 * config/interix.opt: Delete and move bits to..
580 * config/i386/interix.opt: ..here. New.
581 (mpe-aligned-commons): Add.
582 * config/i386/t-interix: Add copyright header.
583 (winnt-stubs.o): Add rule.
585 2012-01-22 Jason Merrill <jason@redhat.com>
588 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
589 for extra name aliases.
591 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
593 PR rtl-optimization/51924
594 * ree.c (combine_set_extension): Improve debugging message.
595 (combine_reaching_defs): Likewise.
596 (get_defs): Rename confusingly named variable.
597 (find_and_remove_re): Skip a candidate if the extension expression has
600 2012-01-21 Robert Millan <rmh@gnu.org>
601 Gerald Pfeifer <gerald@pfeifer.com>
603 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
604 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
606 2012-01-20 Jakub Jelinek <jakub@redhat.com>
608 PR tree-optimization/51914
609 * tree-vect-stmts.c (vectorizable_conversion): For
610 cvt_type && modifier == WIDEN, put temporary with cvt_type
611 at the beginning of vec_dsts and set vec_dest to temporary
614 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
616 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
618 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
620 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
621 * config/rs6000/rs6000.c: Likewise.
623 2012-01-20 Jakub Jelinek <jakub@redhat.com>
626 * config/arm/arm.c (arm_count_output_move_double_insns): Call
627 output_move_double on a copy of operands array.
629 2012-01-20 Cary Coutant <ccoutant@google.com>
630 Dodji Seketeli <dodji@redhat.com>
633 * dwarf2out.c (copy_declaration_context): Return ref to parent
634 of declaration DIE, if necessary.
635 (remove_child_or_replace_with_skeleton): Add new parameter; update
636 caller. Place skeleton DIE under parent DIE of original declaration.
637 Move call to copy_declaration_context to here ...
638 (break_out_comdat_types): ... from here.
640 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
642 PR rtl-optimization/51856
643 * reload.c (find_reloads_subreg_address): Set the address_reloaded
646 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
649 * config/arm/arm.c (arm_print_operand): Correct output of alignment
650 hints for neon loads and stores.
652 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
656 * doc/extend.texi (Named Address Spaces): Split into subsections.
657 (AVR Named Address Spaces): New subsection.
658 (M32C Named Address Spaces): New subsection.
659 (RL78 Named Address Spaces): New subsection.
660 (SPU Named Address Spaces): New subsection.
661 (Variable Attributes): New anchor "AVR Variable Attributes".
662 (AVR Variable Attributes): Rewrite and avoid wording
663 "address space" in this context.
664 * doc/invoke.texi (AVR Options): Rewrite and add documentation
665 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
666 (AVR Built-in Macros): New subsubsection therein.
667 * doc/md.texi (AVR constraints): Remove "C04", "R".
669 2012-01-20 Richard Guenther <rguenther@suse.de>
671 PR tree-optimization/51903
672 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
675 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
678 * config/arm/arm.c (arm_load_pic_register): Use
679 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
680 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
681 (arm_pic_static_addr): Likewise.
682 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
683 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
684 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
685 (pic_load_addr_unified): New.
687 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
690 * function.c (instantiate_virtual_regs_in_insn): Use
691 delete_insn_and_edges when removing a wrong asm insn.
693 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
695 PR rtl-optimization/40761
696 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
697 Add new member loop_num.
698 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
699 (ira_build): Remove the parameter.
701 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
702 (ira.c): Do not build CFG loops for one region allocation. Remove
703 argument from ira_build call.
705 * ira-build.c (init_loop_tree_node): New function.
706 (create_loop_tree_nodes): Use it. Separate the case when CFG
708 (more_one_region_p): Check current_loops.
709 (finish_loop_tree_nodes): Separate the case when CFG loops are not
711 (add_loop_to_tree): Process loop equal to NULL too.
712 (form_loop_tree): Separate the case when CFG loops are not built.
713 Use explicitly number for the root.
714 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
716 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
717 instead of loop->num.
718 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
719 (mark_all_loops_for_removal): Ditto.
720 (remove_unnecessary_regions): Separate the case when CFG loops
722 (ira_build): Remove the parameter. Use explicit number of regions
723 when CFG loops are not built.
725 * ira-color.c (print_loop_title): Separate the case for the root node.
726 Use loop_num instead of loop->num.
727 (move_spill_restore): Use loop_num instead of loop->num.
729 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
730 (change_loop): Ditto.
731 (change_loop): Use loop_num instead of loop->num.
733 * ira-lives.c (process_bb_node_lives): Ditto.
735 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
737 * ira-conflicts.c (print_allocno_conflicts): Ditto.
739 2012-01-19 Jakub Jelinek <jakub@redhat.com>
742 * tree-mudflap.c (mf_artificial): New function.
743 (execute_mudflap_function_ops, execute_mudflap_function_decls,
744 mx_register_decls, mudflap_enqueue_decl): Use it.
747 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
748 numbers in the insn pattern.
750 2012-01-19 Michael Matz <matz@suse.de>
752 PR tree-optimization/46590
753 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
754 use it in remembering which conflicts we already created.
755 (add_scope_conflicts): Adjust call to above, (de)allocate helper
758 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
761 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
762 (merge_and_complain): Same.
764 2012-01-19 Jakub Jelinek <jakub@redhat.com>
767 * config/initfini-array.h: Guard content of the header
768 with #ifdef HAVE_INITFINI_ARRAY.
769 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
770 Add initfini-array.h to tm_file here.
771 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
772 * config.gcc: Don't add initfini-array.h to tm_file here.
773 * configure: Regenerated.
775 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
777 PR rtl-optimization/51505
778 * df-problems.c (df_kill_notes): New parameter live. Update comment.
779 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
780 (df_note_bb_compute): Update the call to df_kill_notes.
782 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
784 * trans-mem.c (requires_barrier): Remove call to is_global_var.
786 2012-01-18 Richard Guenther <rguenther@suse.de>
788 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
789 of conversions to void *.
791 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
792 Richard Sandiford <rdsandiford@googlemail.com>
796 * optabs.h (simplify_expand_binop): Declare.
797 * optabs.c (simplify_expand_binop): Make global.
798 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
799 endian targets if the source cannot be exactly covered by word
802 2012-01-17 Jakub Jelinek <jakub@redhat.com>
805 * hard-reg-set.h (struct hard_reg_set_container): New type.
806 * target.h (struct hard_reg_set_container): Forward declare.
807 * target.def (set_up_by_prologue): New target hook.
808 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
809 * doc/tm.texi: Regenerated.
810 * function.c (thread_prologue_and_epilogue_insns): Change
811 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
812 Call targetm.set_up_by_prologue on it.
813 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
814 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
816 2012-01-17 Nick Clifton <nickc@redhat.com>
818 * config/rx/rx.c (rx_can_use_simple_return): New function.
819 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
820 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
822 2012-01-17 Richard Guenther <rguenther@suse.de>
825 * expr.c (expand_assignment): Take address-space information
826 from the address operand of MEM_REF and TARGET_MEM_REF.
827 (expand_expr_real_1): Likewise.
829 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
831 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
832 reload dump is requested.
834 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
837 * trans-mem.c (requires_barrier): Call may_be_aliased.
839 2012-01-17 Jakub Jelinek <jakub@redhat.com>
841 PR tree-optimization/51877
842 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
843 call arguments and fndecls compare equal, instead return false if they
844 don't. Return true only if lhs1 and lhs2 are either both NULL, or
845 both SSA_NAMEs that are valueized the same, or they satisfy
848 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
850 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
852 * configure: Regenerate.
854 2012-01-16 Jan Hubicka <jh@suse.cz>
858 * convert.c (convert_to_integer): Use fold_convert for
859 converting an INTEGER_CST to integer type.
861 2012-01-16 Jason Merrill <jason@redhat.com>
864 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
866 2012-01-16 Jakub Jelinek <jakub@redhat.com>
869 * config/s390/s390.c (s390_chunkify_start): Don't skip
870 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
871 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
872 If insn is followed by NOTE_INSN_VAR_LOCATION or
873 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
874 Don't use location of note insns.
876 PR tree-optimization/51865
877 * tree-inline.c (tree_function_versioning): Call remap_decl
878 on DECL_RESULT whenever it has VOID_TYPE_P type.
880 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
882 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
883 for calls to locally-binding MIPS16 functions if only the return
884 type uses float regs.
886 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
887 Richard Sandiford <rdsandiford@googlemail.com>
889 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
890 (SYMBOL_32_HIGH): Likewise.
891 (mips_output_tls_reloc_directive): Declare.
892 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
893 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
894 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
895 (mips_lo_relocs, mips_hi_relocs): Make extern.
896 (mips16_stub_function): Move up file.
897 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
898 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
899 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
900 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
901 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
902 (mips_get_tp): Add MIPS16 support.
903 (mips_legitimize_tls_address): Remove MIPS16 sorry().
904 Generalize DTPREL and TPREL handling.
905 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
906 Add MIPS16 TLS support.
907 (mips_output_tls_reloc_directive): New function.
908 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
909 * config/mips/predicates.md (symbolic_operand_with_high)
910 (tls_reloc_operand): New predicates.
911 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
912 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
913 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
914 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
915 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
916 (*tls_get_tp_mips16_call_<mode>): Likewise.
918 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
920 PR rtl-optimization/51821
921 * recog.c (peep2_find_free_register): Determine clobbered registers
924 2012-01-14 Denis Chertykov <chertykov@gmail.com>
927 * config/avr/avr-protos.h: Revert change of 2012-01-09.
928 * config/avr/avr.c: Likewise.
929 * config/avr/avr.h: Likewise.
931 2012-01-13 Ian Lance Taylor <iant@google.com>
934 * tree.h (TYPE_QUALS): Add cast to int.
935 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
937 2012-01-13 Ian Lance Taylor <iant@google.com>
939 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
940 comparing param_index to VEC_length result.
942 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
944 * c-decl.c: Do not include tree-mudflap.h
945 * tree-optimize.c: Likewise.
946 * Makefile.in: Update dependencies.
948 2012-01-13 Richard Guenther <rguenther@suse.de>
951 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
952 variable-sized result always use RSO.
954 2012-01-12 DJ Delorie <dj@redhat.com>
956 * cfgexpand.c (convert_debug_memory_address): Allow any valid
957 pointer type, not just the default pointer type.
959 2012-01-09 Richard Henderson <rth@redhat.com>
960 Denis Chertykov <chertykov@gmail.com>
963 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
964 * config/avr/avr.c (avr_can_eliminate): Simplify.
965 (avr_initial_elimination_offset): Likewise.
966 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
967 (expand_epilogue): Likewise.
968 (avr_legitimize_address): Gut.
969 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
970 (avr_hard_regno_nregs): New.
971 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
972 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
973 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
974 add soft frame pointer.
975 (CALL_USED_REGISTERS): Likewise.
976 (REG_CLASS_CONTENTS): Likewise.
977 (REGISTER_NAMES): Likewise.
978 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
979 (HARD_FRAME_POINTER_REGNUM): New.
980 (FRAME_POINTER_REGNUM): Use soft frame pointer.
981 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
982 remove the HARD_FRAME_POINTER self-elimination.
984 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
987 * config/avr/avr.c (avr_encode_section_info): Test for absence of
988 DECL_EXTERNAL when checking for initializers of progmem variables.
990 2012-01-12 Ira Rosen <irar@il.ibm.com>
992 PR tree-optimization/51799
993 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
994 that the last operation is a type demotion.
996 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
998 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
999 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1001 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1004 * combine.c (distribute_notes): If i3 is a noreturn call,
1005 allow old_size to be equal to args_size and make sure the
1006 noreturn call gets REG_ARGS_SIZE note.
1007 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1008 on noreturn calls even when the delta is 0.
1010 2012-01-11 Nathan Sidwell <nathan@acm.org>
1012 * gcov.c (STRING_SIZE): Remove.
1013 (generate_results): Erase annotations for source files with no
1014 coverage information.
1016 (output_lines): Use it.
1018 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1020 * gimple.h (gimplify_body): Remove first argument.
1021 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1022 pointer set here, instead just pass DATA to walk_tree.
1023 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1024 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1025 (unvisit_body): Likewise, but with unmark_visited.
1026 (gimplify_body): Remove BODY_P argument and adjust.
1027 (gimplify_function_tree): Adjust call to gimplify_body.
1028 * omp-low.c (finalize_task_copyfn): Likewise.
1030 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1032 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1033 (build_function_type_skip_args): Delete.
1034 * tree.c (build_function_type_skip_args): Make static and add
1035 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1036 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1037 pass it to build_function_type_skip_args.
1038 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1039 (tree_function_versioning): Likewise.
1040 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1041 build_function_decl_skip_args.
1042 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1043 and pass it to build_function_decl_skip_args/tree_function_versioning.
1044 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1045 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1046 * trans-mem.c (ipa_tm_create_version): Likewise.
1047 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1048 * tree-inline.c (declare_return_variable): Remove always-true test.
1049 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1050 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1051 * ipa-split.c (split_function): Skip the return value for the split
1052 part if it doesn't return.
1054 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1056 PR tree-optimization/49642
1057 * ipa-split.c (forbidden_dominators): New variable.
1058 (check_forbidden_calls): New function.
1059 (dominated_by_forbidden): Likewise.
1060 (consider_split): Check for forbidden dominators.
1061 (execute_split_functions): Initialize and free forbidden
1062 dominators info; call check_forbidden_calls.
1064 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1066 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1068 2012-01-11 Nick Clifton <nickc@redhat.com>
1070 * config/rx/rx.md (return): Define pattern.
1072 2012-01-11 Richard Guenther <rguenther@suse.de>
1074 * doc/extend.texi (malloc attribute): Adjust according to
1077 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1078 Patrick Marlier <patrick.marlier@gmail.com>
1081 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1082 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1083 (ipa_tm_note_irrevocable): Same.
1084 (ipa_tm_scan_irr_block): Same.
1085 (ipa_tm_decrement_clone_counts): Same.
1086 (ipa_tm_scan_irr_function): Same.
1087 (ipa_tm_create_version_alias): Same.
1088 (ipa_tm_create_version): Same.
1089 (ipa_tm_transform_calls_redirect): Same.
1090 (ipa_tm_transform_calls): Same.
1091 (ipa_tm_transform_transaction): Same.
1092 (ipa_tm_execute): Same.
1094 2012-01-10 Richard Guenther <rguenther@suse.de>
1097 * opts.c (common_handle_option): Handle -Werror.
1099 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1101 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1104 2012-01-10 Jason Merrill <jason@redhat.com>
1106 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1109 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1111 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1112 supports R_386_TLS_GD_PLT reloc.
1113 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1114 supports R_386_TLS_LDM_PLT reloc.
1115 * configure: Regenerate.
1116 * config.in: Regenerate.
1118 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1121 Extend __pgmx semantics to linearize memory.
1122 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1123 determine if code comes inline or from libgcc.
1124 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1125 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1126 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1127 (movmemx_qi, movmemx_hi): New insns.
1128 (xload_<mode>_libgcc): Rewrite to new insn condition.
1129 (xload_<mode>): Remove insns.
1130 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1131 cases that don't satisfy avr_xload_libgcc_p().
1132 (avr_addr_space_convert): Allow converting in any direction.
1133 (avr_addr_space_subset_p): Return always true.
1134 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1135 (avr_emit_movmemhi): Ditto.
1136 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1137 (avr_out_movmem): Ditto.
1138 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1139 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1140 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1141 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1142 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1144 2012-01-10 Richard Guenther <rguenther@suse.de>
1146 PR tree-optimization/50913
1147 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1148 Require data-refs to be representable by Graphite with respect
1151 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1153 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1154 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1156 2012-01-10 Tom de Vries <tom@codesourcery.com>
1158 PR rtl-optimization/51271
1159 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1160 handling annulled branch.
1162 2012-01-10 Richard Henderson <rth@redhat.com>
1164 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1165 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1166 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1167 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1168 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1169 arm_expand_vec_perm_const): New.
1170 * config/arm/arm-protos.h: Update.
1171 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1172 (*neon_vswp<VDQX>): New.
1173 (neon_vcombine<VDX>): Use neon_split_vcombine.
1174 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1175 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1176 (vec_perm<VE>): New.
1178 2012-01-10 Richard Henderson <rth@redhat.com>
1180 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1181 use it if reload_completed.
1182 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1183 arm_output_asm_insn, arm_process_output_memory_barrier,
1184 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1185 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1186 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1187 arm_process_output_sync_insn, arm_output_sync_insn,
1188 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1189 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1190 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1191 (emit_unlikely_jump): New.
1192 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1193 (arm_split_atomic_op): New.
1194 * config/arm/arm-protos.h: Update.
1195 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1196 (struct arm_sync_generator): Remove.
1197 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1198 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1199 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1200 (VUNSPEC_LL, VUNSPEC_SC): New.
1201 (sync_result, sync_memory, sync_required_value, sync_new_value,
1202 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1203 (attr length): Don't use arm_sync_loop_insns.
1204 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1205 (movsfcc, movdfcc): Likewise.
1206 * config/arm/constraints.md (Ua): New.
1207 * config/arm/prediates.md (mem_noofs_operand): New.
1208 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1209 (sync_clobber, sync_t2_reqd): Remove.
1210 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1211 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1212 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1213 (arm_sync_compare_and_swap<SIDI>): Remove.
1214 (arm_sync_compare_and_swap<NARROW>): Remove.
1215 (arm_sync_lock_test_and_set<SIDI>): Remove.
1216 (arm_sync_lock_test_and_set<NARROW>): Remove.
1217 (arm_sync_new_<syncop><SIDI>): Remove.
1218 (arm_sync_new_<syncop><NARROW>): Remove.
1219 (arm_sync_new_nand<SIDI>): Remove.
1220 (arm_sync_new_nand<NARROW>): Remove.
1221 (arm_sync_old_<syncop><SIDI>): Remove.
1222 (arm_sync_old_<syncop><NARROW>): Remove.
1223 (arm_sync_old_nand<SIDI>): Remove.
1224 (arm_sync_old_nand<NARROW>): Remove.
1225 (*memory_barrier): Merge arm_output_memory_barrier.
1226 (atomic_compare_and_swap<QHSD>): New.
1227 (atomic_compare_and_swap<NARROW>_1): New.
1228 (atomic_compare_and_swap<SIDI>_1): New.
1229 (atomic_exchange<QHSD>): New.
1230 (cas_cmp_operand, cas_cmp_str): New.
1231 (atomic_op_operand, atomic_op_str): New.
1232 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1233 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1234 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1235 (arm_load_exclusive<NARROW>): New.
1236 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1237 (arm_store_exclusive<QHSD>): New.
1239 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1241 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1242 reload patterns if -mvsx-scalar-memory.
1244 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1245 generated, even -mno-vsx-scalar-double was used.
1246 (vsx_xscvdpsp_scalar): Likewise.
1247 (vsx_xscvspdp_scalar2): Likewise.
1249 2012-01-09 Tom de Vries <tom@codesourcery.com>
1250 Andrew Pinski <apinski@cavium.com>
1253 * reorg.c (fill_slots_from_thread): Don't speculate
1254 frame-related insns.
1256 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1258 * sched-int.h (bb_note): Move to...
1259 * basic-block.h: ...here.
1260 * haifa-sched.c (bb_note): Move to...
1261 * cfgrtl.c: ...here.
1262 * function.c (next_block_for_reg): New function.
1263 (move_insn_for_shrink_wrap): Likewise.
1264 (prepare_shrink_wrap): Rewrite to use the above.
1266 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1268 * gimple.c (is_gimple_non_addressable): Remove.
1269 * gimple.h: Remove is_gimple_non_addressable.
1270 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1271 is_gimple_non_addressable.
1272 * trans-mem.c (expand_assign_tm): Same.
1274 2012-01-09 Richard Guenther <rguenther@suse.de>
1276 PR tree-optimization/51775
1277 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1278 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1280 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1282 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1284 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1286 2012-01-09 Richard Guenther <rguenther@suse.de>
1288 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1290 2012-01-08 Jan Hubicka <jh@suse.cz>
1292 PR tree-optimize/51680
1293 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1294 on when known_vals needs to be computed; cleanup.
1296 2012-01-08 Jan Hubicka <jh@suse.cz>
1298 PR tree-optimize/51694
1299 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1301 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1303 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1304 for -std=c++98 and -std=c++11 too.
1306 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1308 * cfgloop.c (cancel_loop): Add free() of bbs array.
1310 2012-01-07 Jan Hubicka <jh@suse.cz>
1312 PR tree-optimization/51600
1313 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1314 that benefits small functions.
1316 2012-01-07 Jan Hubicka <jh@suse.cz>
1318 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1320 2012-01-07 Jan Hubicka <jh@suse.cz>
1322 PR tree-optimization/51680
1323 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1324 whose inlining reduce unit size.
1326 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1329 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1330 Add canonical node to containing_mem chain after the non-canonical
1331 one, even if there weren't any locs to propagate.
1332 (remove_useless_values): Keep only canonical values.
1333 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1334 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1335 canonicalize mem_chain elements that are not discarded.
1337 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1340 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1341 before emitting functions.
1343 PR gcov-profile/50127
1344 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1345 clear_aux_for_blocks.
1347 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1350 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1352 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1354 * c-decl.c (ext_block): Moved up.
1355 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1357 2012-01-06 Han Shen <shenhan@google.com>
1359 Translate built-in include paths for sysroot.
1360 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1361 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1363 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1364 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1366 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1367 control whether sysroot should be prepended to gxx include dir.
1369 * configure: Regenerate.
1371 2012-01-06 Torvald Riegel <triegel@redhat.com>
1373 PR rtl-optimization/51771
1374 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1375 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1377 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1379 PR tree-optimization/51315
1380 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1381 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1383 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1386 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1387 for shrp pattern. Correctly handle and fixup shift variable.
1388 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1390 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1393 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1394 note when !ACCUMULATE_OUTGOING_ARGS.
1396 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1398 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1400 (extract_range_from_unary_expr_1): Avoid useless computations.
1402 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1404 PR rtl-optimization/51767
1405 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1406 of jump_block and add an extra edge for degenerated asm gotos.
1409 * stmt.c (check_unique_operand_names): Don't ICE during error
1410 reporting if i is from labels chain.
1413 * profile.c (branch_prob): Split bbs that have exit edge
1414 and need a fake entry edge too.
1416 2012-01-05 Jan Hubicka <jh@suse.cz>
1419 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1422 2012-01-05 Richard Guenther <rguenther@suse.de>
1425 * tree-streamer-out.c (write_ts_optimization): New function.
1426 (streamer_write_tree_body): Call it.
1427 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1428 (streamer_read_tree_body): Call it.
1429 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1431 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1434 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1435 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1436 in_cleanup_point_expr before gimplify_stmt call and restore it
1438 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1439 in_cleanup_point_expr is false.
1441 2012-01-05 Richard Guenther <rguenther@suse.de>
1444 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1446 * toplev.c (process_options): Reject combining mudflap and LTO.
1447 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1449 2012-01-05 Richard Guenther <rguenther@suse.de>
1451 PR tree-optimization/51760
1452 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1454 (bit_value_unop): Handle UNDEFINED operands.
1455 (bit_value_binop): Likewise.
1457 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1459 * config/avr/avr.c (avr_replace_prefix): Remove.
1460 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1461 (avr_asm_function_rodata_section): Ditto.
1462 (avr_asm_select_section): Ditto.
1464 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1466 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1469 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1472 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1473 calls that have any non-fake successor edges.
1476 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1478 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1480 PR tree-optimization/51624
1481 * tree-sra.c (build_ref_for_model): When replicating a chain of
1482 COMPONENT_REFs, stop as soon as the offset would become negative.
1484 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1487 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1488 in .debug_loc on the floor.
1490 2012-01-04 Andrew Pinski <apinski@cavium.com>
1492 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1494 2012-01-04 Andrew Pinski <apinski@cavium.com>
1495 Adam Nemet <anemet@caviumnetworks.com>
1497 * config/mips/mips.md (size): Add SI and DI.
1498 (SIZE): New mode attribute.
1499 (U): New code attribute.
1500 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1501 (mips_lbux_<mode>): Delete.
1502 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1503 (mips_lhx): Use gen_mips_lhx_extsi.
1504 (mips_lhx_<mode>): Delete.
1506 (mips_l<size>x): New expand.
1507 (mips_lwx_<mode>): Delete.
1508 (mips_l<GPR:size>x_<P:mode>): New pattern.
1509 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1510 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1511 * config/mips/mips.c (mips_lx_address_p): New function.
1512 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1513 (dsp64): New availability predicate.
1514 (mips_builtins): Add an entry for __builtin_mips_ldx.
1515 * config/mips/mips.h (ISA_HAS_LBX): New define.
1516 (ISA_HAS_LBUX): Likewise.
1517 (ISA_HAS_LHX): Likewise.
1518 (ISA_HAS_LHUX): Likewise.
1519 (ISA_HAS_LWX): Likewise.
1520 (ISA_HAS_LWUX): Likewise.
1521 (ISA_HAS_LDX): Likewise.
1522 * doc/extend.texi (__builtin_mips_ldx): Document.
1524 2012-01-04 Tristan Gingold <gingold@adacore.com>
1526 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1527 when long pointers are used.
1528 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1529 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1530 (ia64-hp-*vms*): Remove.
1531 * config/vms/xm-vms64.h: Delete.
1533 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1536 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1538 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1540 * opts.c (finish_options): Remove duplicate sorry.
1542 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1545 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1548 2012-01-04 Richard Guenther <rguenther@suse.de>
1551 * tree.c (size_low_cst): New function.
1552 * tree.h (size_low_cst): Declare.
1553 * fold-const.c (fold_comparison): Use it to extract the low
1554 part of the POINTER_PLUS_EXPR offset.
1556 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1558 Fix clearing ZERO_REG
1559 * config/avr/avr.md (cc): Add alternative "ldi".
1560 (movqi_insn): Use it in cc attribute.
1561 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1562 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1563 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1565 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1567 * configure: Regenerate.
1569 2012-01-04 Richard Guenther <rguenther@suse.de>
1571 PR tree-optimization/49651
1572 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1573 (var_can_have_subvars): Use it.
1574 (get_constraint_for_1): Only consider subfields if there can be any.
1576 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1579 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1580 to its new canonical_cselib_val and the cselib_val was in
1581 first_containing_mem chain, but the canonical_cselib_val was not,
1582 add the latter into the chain.
1583 (cselib_invalidate_mem): Compare canonical_cselib_val of
1584 addr_list chain elt with v.
1587 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1588 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1590 (output_macinfo_op): Don't ggc_strdup fd->filename.
1591 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1592 then ggc_strdup it. Don't free inc->info or cur->info.
1593 (output_macinfo): Don't free ref->info or file->info.
1595 2012-01-03 Ira Rosen <irar@il.ibm.com>
1597 PR tree-optimization/51269
1598 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1599 first_niters a pointer.
1600 (slpeel_tree_peel_loop_to_edge): Likewise.
1601 (vect_do_peeling_for_loop_bound): Update call to
1602 slpeel_tree_peel_loop_to_edge.
1603 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1604 here. Remove it from the parameters list.
1605 (vect_do_peeling_for_alignment): Update calls and compute
1608 2012-01-03 Richard Guenther <rguenther@suse.de>
1610 PR tree-optimization/51070
1611 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1612 Properly handle calls.
1614 2012-01-03 Richard Guenther <rguenther@suse.de>
1616 PR tree-optimization/51692
1617 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1618 the LHS of allocation stmts.
1620 2012-01-03 Olivier Hainque <hainque@adacore.com>
1622 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1624 2012-01-03 Olivier Hainque <hainque@adacore.com>
1626 * collect2.c (main): In AIX specific computations for vector
1627 insertions, use CONST_CAST2 to cast from char ** to const char **.
1629 2012-01-03 Richard Guenther <rguenther@suse.de>
1632 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1633 the context of a limbo DIE when it does not already exist.
1635 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1637 PR tree-optimization/51719
1638 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1639 but direct call is, clear direct call's lhs and don't add fallthrough
1640 edge from dcall_bb to join_bb and PHIs.
1642 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1644 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1645 the instructions emitted by the pattern.
1646 ("*TDC_insn_<mode>"): Add comment.
1648 2012-01-03 Richard Guenther <rguenther@suse.de>
1651 * fold-const.c (fold_comparison): Properly canonicalize
1652 tree offset and HOST_WIDE_INT bit position.
1654 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1656 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1657 operands for extzv pattern.
1659 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1662 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1665 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1667 * doc/invoke.texi (-flto and related options): Copy-edit.
1669 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1671 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1673 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1675 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1678 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1680 * expr.h (move_by_pieces_ninsns): Declare.
1681 * expr.c (move_by_pieces_ninsns): Make external.
1682 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1683 (mips_store_by_pieces_p): Likewise.
1684 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1685 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1686 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1687 (mips_store_by_pieces_p): Likewise.
1689 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1691 * passes.c (register_one_dump_file): Free full_name.
1693 * reload1.c (reload): Don't allocate reg_max_ref_width here.
1694 (calculate_elim_costs_all_insns): Free offsets_at and
1695 offsets_known_at at the end and clear the pointers.
1697 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1699 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1700 this option introduced in r180739.
1702 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1705 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1706 (tmake_file target=avr): Add avr/t-multilib.
1708 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1709 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1710 * config/avr/genmultilib.awk: New file.
1711 * config/avr/t-multilib: New auto-generated file.
1712 * config/avr/multilib.h: New auto-generated file.
1713 * config/avr/t-avr (AVR_MCUS): New variable.
1714 (genopt.sh): Use it.
1715 (s-mlib): Depend on t-multilib.
1716 (t-multilib, multilib.h): New dependencies.
1717 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1718 (MULTILIB_OPTIONS): Remove.
1719 (MULTILIB_MATCHES): Remove.
1720 (MULTILIB_DIRNAMES): Remove.
1721 (MULTILIB_EXCEPTIONS): Remove:
1722 * config/avr/genopt.sh: Don't use hard coded file name;
1723 pass AVR_MCUS from t-avr instead.
1725 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1727 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1729 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1731 Implement light-weight DImode support.
1732 * config/avr/avr-dimode.md: New file.
1733 * config/avr/avr.md: Include it.
1734 (adjust_len): Add plus64, compare64.
1735 (HIDI): Remove code iterator.
1736 (code_stdname): New code attribute.
1737 (rotx, rotsmode): Remove DI.
1738 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1740 * config/avr/avr-protos.h (avr_have_dimode): New.
1741 (avr_out_plus64, avr_out_compare64): New.
1742 * config/avr/avr.c (avr_out_compare): Handle DImode.
1743 (avr_have_dimode): New variable definition and initialization.
1744 (avr_out_compare64, avr_out_plus64): New functions.
1745 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1746 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1747 (avr_compare_pattern): Skip DImode comparisons.
1749 2012-01-02 Revital Eres <revital.eres@linaro.org>
1751 * ddg.c (def_has_ccmode_p): New function.
1752 (add_cross_iteration_register_deps,
1753 create_ddg_dep_from_intra_loop_link): Call it.
1755 2012-01-02 Richard Guenther <rguenther@suse.de>
1758 * invoke.texi (fassociative-math): Remove spurious paranthesis.
1760 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1762 * gcc.c (process_command): Update copyright notice dates.
1763 * gcov.c (print_version): Likewise.
1764 * gcov-dump.c (print_version): Likewise.
1765 * mips-tfile.c (main): Likewise.
1766 * mips-tdump.c (main): Likewise.
1768 2012-01-01 Ira Rosen <irar@il.ibm.com>
1770 PR tree-optimization/51704
1771 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1772 a use is inside the basic block or loop before accessing its vect info.
1774 2012-01-01 Jan Hubicka <jhjh@suse.cz>
1776 PR rtl-optimization/51069
1777 * cfgloopmanip.c (remove_path): Removing path making irreducible
1778 region unconditional makes BB part of the region.
1780 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1782 PR tree-optimization/51683
1783 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1784 calls with side-effects.
1785 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1787 Copyright (C) 2012 Free Software Foundation, Inc.
1789 Copying and distribution of this file, with or without modification,
1790 are permitted in any medium without royalty provided the copyright
1791 notice and this notice are preserved.