1 2012-02-05 Ira Rosen <irar@il.ibm.com>
3 PR tree-optimization/52091
4 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
5 (vect_is_simple_use_1): Likewise.
6 * tree-vect-loop.c (vectorizable_reduction): Update calls
7 to vect_is_simple_use_1 and vect_is_simple_use.
8 (vectorizable_live_operation): Likewise.
9 * tree-vect-patterns.c (widened_name_p,
10 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
12 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
13 vectorizable_call, vectorizable_conversion,
14 vectorizable_assignment, vectorizable_shift,
15 vectorizable_operation, vectorizable_store, vectorizable_load):
17 (vect_is_simple_cond): Add an argument, pass it to
19 (vectorizable_condition): Update calls to vect_is_simple_cond,
21 (vect_is_simple_use): Add an argument, the statement in which
22 OPERAND is used. Check that if OPERAND's def stmt is a double
23 reduction phi node, the use is a phi node too.
24 (vect_is_simple_use_1): Add an argument, pass it to
26 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
27 to vect_is_simple_use.
29 2012-02-04 Jakub Jelinek <jakub@redhat.com>
31 PR rtl-optimization/52095
32 * modulo-sched.c (dump_insn_locator): New function.
33 (loop_canon_p, sms_schedule): Use it.
35 PR rtl-optimization/52113
36 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
37 even for decomposable shift/zext insns.
39 2012-02-03 Jakub Jelinek <jakub@redhat.com>
40 Zdenek Dvorak <ook@ucw.cz>
42 PR rtl-optimization/52092
43 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
44 on get_iv_value result.
46 2012-02-02 Andrew Pinski <apinski@cavium.com>
50 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
52 2012-02-02 Jakub Jelinek <jakub@redhat.com>
55 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
57 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
59 PR rtl-optimization/49800
60 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
61 (sched_finish): Call regstat_free_n_sets_and_refs.
63 2012-02-02 Jia Liu <proljc@gmail.com>
65 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
68 2012-02-02 Jan Hubicka <jh@suse.cz>
69 Tom de Vries <tom@codesourcery.com>
72 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
73 * varpool.c (varpool_analyze_pending_decls): Likewise.
75 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
76 Jayant R Sonar <jayant.sonar@kpitcummins.com>
78 * config.gcc: Add cr16-* support.
80 * doc/extend.texi: Document cr16 extensions.
81 * doc/install.texi: Document cr16 install.
82 * doc/invoke.texi: Document cr16 options.
83 * doc/md.texi: Document cr16 constraints.
85 * common/config/cr16/cr16-common.c: New file.
86 * config/cr16/cr16.c: New file.
87 * config/cr16/cr16.h: New file.
88 * config/cr16/cr16.md: New file.
89 * config/cr16/cr16.opt: New file.
90 * config/cr16/cr16-protos.h: New file.
91 * config/cr16/predicates.md: New file.
92 * config/cr16/constraints.md: New file.
93 * config/cr16/t-cr16: New file.
95 2012-02-02 Jakub Jelinek <jakub@redhat.com>
98 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
99 that operands[2] is either immediate, or q_regs_operand.
101 PR tree-optimization/52073
102 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
103 a pattern stmt for pattern uses, ignore uses outside of the loop.
105 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
107 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
108 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
109 (OUT_AS1, OUT_AS2): Remove.
111 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
113 PR rtl-optimization/51374
114 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
115 to cross other volatile_refs_p insns.
117 2012-02-01 Richard Guenther <rguenther@suse.de>
119 * doc/invoke.texi (fno-inline): Clarify documentation.
120 (finline-small-functions): Likewise.
121 (finline-functions): Likewise.
122 * common.opt (finline): Adjust comment and documentation.
123 (finline-small-functions): Clarify documentation.
124 (finline-functions): Likewise.
125 (finline-functions-called-once): Likewise.
127 2012-02-01 Tristan Gingold <gingold@adacore.com>
129 * c-typeck.c (composite_type): Keep mode for pointers.
131 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
133 * function.h (regno_reg_rtx): Adjust comment.
134 * reginfo.c (init_reg_modes_target): Only use the previous mode
135 if it fits within one register. Remove MIPS comment.
137 2012-01-31 Jakub Jelinek <jakub@redhat.com>
140 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
142 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
144 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
147 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
149 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
152 2012-01-31 Jakub Jelinek <jakub@redhat.com>
157 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
159 2012-01-31 Richard Guenther <rguenther@suse.de>
161 PR tree-optimization/51528
162 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
165 2012-01-31 Jakub Jelinek <jakub@redhat.com>
170 * ree.c (add_removable_extension): Change def_map argument
171 to unsigned *, store in def_map 1 + offset into *insn_list vector
172 instead of pointers into the vector.
173 (find_removable_extensions): Adjust caller.
175 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
177 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
178 Transform all "* quoted-c-code" to { c-code }.
179 Remove redundant test for "optimize" in combine patterns.
180 Move (include "avr-dimode.md") to end of file.
182 2012-01-30 Bin Cheng <bin.cheng@arm.com>
185 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
186 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
188 2012-01-30 Richard Guenther <rguenther@suse.de>
190 PR tree-optimization/52028
191 * tree-loop-distribution.c (ldist_gen): Properly update
194 2012-01-30 Jakub Jelinek <jakub@redhat.com>
197 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
198 set_cur_line_info_table if not emitting debug info.
200 PR tree-optimization/52046
201 * tree-vect-patterns.c (check_bool_pattern): Give up if
202 a comparison could throw.
205 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
207 2012-01-30 Richard Guenther <rguenther@suse.de>
209 PR tree-optimization/52045
210 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
211 SSA form if cfgcleanup did anything.
213 2012-01-30 Richard Guenther <rguenther@suse.de>
215 PR tree-optimization/52045
216 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
217 before computing final todo.
219 2012-01-30 Richard Guenther <rguenther@suse.de>
221 PR tree-optimization/51528
222 * tree-sra.c (sra_modify_assign): Re-factor in preparation
225 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
227 * df-problems.c (df_kill_notes): Check that the use refers
228 to the note under examination.
230 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
233 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
234 parameter and use short-lived pseudos.
235 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
236 (sparc_expand_vector_init): Const-ify local variables and adjust
237 calls to above functions.
239 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
241 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
243 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
245 * doc/invoke.texi: Make usage of "compile time" and
246 "run time"/"runtime" consistent throughout the file.
248 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
250 * config/alpha/alpha.c (alpha_option_overrride): Default to
251 full IEEE compliance mode for Go language.
253 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
255 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
256 (LINK_SSP_SPEC): Define.
258 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
261 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
264 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
266 * doc/invoke.texi: Correct hyphenation of "floating point",
267 "double precision", and related terminology throughout the file.
269 2012-01-28 Jakub Jelinek <jakub@redhat.com>
272 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
273 arm_general_register_operand predicate for operand 2 instead of
276 2012-01-27 Ian Lance Taylor <iant@google.com>
279 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
280 * builtins.c (expand_builtin_init_trampoline): Add onstack
281 parameter. Change caller.
282 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
283 * tree.c (build_common_builtin_nodes): Declare
284 __builtin_init_heap_trampoline.
286 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
288 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
289 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
290 * config/avr/avr.c: Ditto.
291 (avr_regnames): Remove because unused.
292 * config/avr/avr.md (*cpse.ne): New peephole.
293 (*cpse.eq): New peephole from former cpse peepholes.
295 2012-01-27 Michael Eager <eager@eagercon.com>
297 * config/microblaze.c (microblaze_emit_compare): Correct
298 test after pcmp instruction.
300 2012-01-27 Richard Guenther <rguenther@suse.de>
302 PR tree-optimization/52020
303 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
305 2012-01-27 Richard Guenther <rguenther@suse.de>
307 * ipa-pure-const.c (check_stmt): Clobbers do not make a
308 function non-const/pure.
310 2012-01-27 Richard Guenther <rguenther@suse.de>
312 PR tree-optimization/50444
313 * tree-sra.c (build_ref_for_offset): Properly adjust the
314 MEM_REF type for unaligned accesses.
316 2012-01-27 Richard Guenther <rguenther@suse.de>
318 PR tree-optimization/50444
319 * expr.c (mem_ref_refers_to_non_mem_p): New function.
320 (expand_assignment): Use it. Properly handle misaligned
321 bases when expanding stores to component references.
322 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
325 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
328 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
329 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
330 * tree-data-ref.c (find_data_references_in_loop): Make static.
331 (compute_all_dependences): Change return type to bool. Bail out
332 for too many datarefs in a loop. Move the hunk resetting the data
333 dependences vector from ...
334 (compute_data_dependences_for_loop): ... here. Account for
335 compute_all_dependences returning false.
336 (compute_data_dependences_for_bb): Likewise.
337 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
338 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
340 2012-01-27 Richard Guenther <rguenther@suse.de>
343 * expr.c (store_field): Use the alias-set of the scratch memory
346 2012-01-27 Tom de Vries <tom@codesourcery.com>
348 PR tree-optimization/51990
349 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
351 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
353 2012-01-27 Jakub Jelinek <jakub@redhat.com>
356 * var-tracking.c (reverse_op): Don't add any reverse operation
357 if V already has any constant locations.
359 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
361 * doc/invoke.texi: Correct usage of "command line" (noun)
362 vs "command-line" (adjective) throughout.
364 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
366 * doc/invoke.texi (Language Independent Options): Move
367 -Wcoverage-mismatch blurb from here....
368 (Warning Options): ...to here.
370 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
372 * config/rs6000/rs6000.c (rs6000_option_override_internal):
373 Set rs6000_always_hint to false for 476.
375 2012-01-27 Matthias Klose <doko@ubuntu.com>
377 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
379 * incpath.c (add_standard_paths): Likewise.
381 2012-01-27 Richard Henderson <rth@redhat.com>
383 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
384 * config/m68k/sync.md (atomic_test_and_set): Rename from
385 sync_test_and_setqi and adjust the operands.
386 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
387 and unconditionally enable.
389 2012-01-27 Richard Henderson <rth@redhat.com>
391 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
392 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
393 (ldstub): Rename from ldstubqi.
394 (ldstub<I24MODE>): Remove.
396 2012-01-27 Richard Henderson <rth@redhat.com>
398 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
399 * c-cppbuiltin.c (cpp_atomic_builtins): Define
400 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
401 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
402 * doc/tm.texi: Rebuild.
404 2012-01-27 Richard Henderson <rth@redhat.com>
406 * optabs.c (gen_atomic_test_and_set): Remove default.
407 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
409 2012-01-26 Jakub Jelinek <jakub@redhat.com>
411 PR rtl-optimization/51978
412 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
413 (combine_reaching_defs): Likewise.
414 (struct re_info): Remove.
415 (add_removable_extension): Remove x and data arguments,
416 add insn, insn_list and def_map. Use the arguments directly
417 instead of using struct re_info.
418 (find_removable_extensions): Don't call add_removable_extension
419 through note_stores, instead just call it with single_set
421 (find_and_remove_re): Pass curr_cand->expr instead of
422 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
424 2012-01-26 Michael Matz <matz@suse.de>
426 PR tree-optimization/46590
427 * cfgexpand.c: Revert last change (r183305).
428 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
430 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
431 checking for emptiness.
433 2012-01-26 Jakub Jelinek <jakub@redhat.com>
436 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
437 non-addressable non-BLKmode base correctly.
439 2012-01-26 Michael Matz <matz@suse.de>
441 PR tree-optimization/48794
442 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
443 regions referenced from RESX/EH_DISPATCH.
445 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
447 * config/s390/s390.h: Make BRANCH_COST an option.
448 * config/s390/s390.opt: New option -mbranch-cost.
450 2012-01-26 Richard Henderson <rth@redhat.com>
452 Revert 2012-01-24 change:
453 * trans-mem.c (requires_barrier): Do not instrument thread local
454 variables and emit save/restore for them.
456 2012-01-25 Jakub Jelinek <jakub@redhat.com>
459 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
462 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
464 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
467 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
470 Rename __pgm to __flash.
471 Rename __pgm1 to __flash1.
472 Rename __pgm2 to __flash2.
473 Rename __pgm3 to __flash3.
474 Rename __pgm4 to __flash4.
475 Rename __pgm5 to __flash5.
476 Rename __pgmx to __memx.
477 * doc/extend.texi (AVR Named Address Spaces)
478 Rename address space names as indicated above.
479 * config/avr/avr.c (avr_addrspace): Ditto.
481 * config/avr/avr-protos.h
482 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
483 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
484 * config/avr/predicates.md: Ditto.
485 * config/avr/avr.c Ditto, and
486 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
487 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
489 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
490 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
491 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
492 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
493 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
494 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
495 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
496 * config/avr/avr.c: Ditto.
497 * config/avr/avr.md: Ditto.
499 2012-01-25 Jason Merrill <jason@redhat.com>
502 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
504 2012-01-25 Jakub Jelinek <jakub@redhat.com>
506 PR tree-optimization/51987
507 * tree-data-ref.c (get_references_in_stmt): Handle references in
508 non-volatile GIMPLE_ASM.
510 2012-01-25 Richard Guenther <rguenther@suse.de>
512 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
513 bases are dereferenced.
515 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
517 PR rtl-optimization/48374
518 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
520 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
522 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
523 compute_data_dependences_for_loop returns false.
524 * tree-parloops.c (loop_parallel_p): Likewise.
526 2012-01-25 Richard Guenther <rguenther@suse.de>
528 * tree.h (get_pointer_alignment_1): Declare.
529 * builtins.c (get_pointer_alignment_1): New function.
530 (get_pointer_alignment): Use it.
532 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
534 PR rtl-optimization/48308
535 * combine.c (enum undo_kind): Add UNDO_LINKS.
536 (struct undo): Add member l to other_contents and where.
537 (do_SUBST_LINK): New.
539 (try_combine): Handle LOG_LINKS for the dummy i1 case.
540 (undo_all): Handle UNDO_LINKS.
542 2012-01-25 Richard Henderson <rth@redhat.com>
544 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
547 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
549 * optabs.c (gen_atomic_test_and_set): Use each argument.
551 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
553 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
554 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
555 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
556 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
557 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
558 TARGET_PAIRED_SINGLE_FLOAT.
560 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
562 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
563 (in_struct, return_val): Remove MEM documentation.
564 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
565 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
566 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
568 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
569 * cfgexpand.c (add_alias_set_conflicts): Likewise.
570 * expr.c (store_field): Likewise.
571 * function.c (assign_stack_temp_for_type): Likewise.
572 * ifcvt.c (noce_try_cmove_arith): Likewise.
573 * reload1.c (reload): Likewise.
574 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
575 (alpha_set_memflags): Likewise.
576 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
578 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
580 * rtl.h (true_dependence, canon_true_dependence): Remove varies
582 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
583 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
584 (true_dependence_1, true_dependence, canon_true_dependence): Remove
586 * cselib.c (cselib_rtx_varies_p): Delete.
587 (cselib_invalidate_mem): Update call to canon_true_dependence.
588 * dse.c (record_store, check_mem_read_rtx): Likewise.
589 (scan_reads_nospill): Likewise.
590 * cse.c (check_dependence): Likewise.
591 (cse_rtx_varies_p): Delete.
592 * expr.c (safe_from_p): Update call to true_dependence.
593 * ira.c (validate_equiv_mem_from_store): Likewise.
594 (memref_referenced_p): Likewise.
595 * postreload-gcse.c (find_mem_conflicts): Likewise.
596 * sched-deps.c (sched_analyze_2): Likewise.
597 * store-motion.c (load_kills_store): Likewise.
598 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
599 * gcse.c (mems_conflict_for_gcse_p): Likewise.
600 (compute_transp): Update call to canon_true_dependence.
602 2012-01-25 Richard Henderson <rth@redhat.com>
604 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
605 (maybe_emit_atomic_test_and_set): New.
606 (expand_sync_lock_test_and_set): Use it.
607 (expand_atomic_test_and_set): Likewise.
608 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
609 the implementation; clarify implementation defined details.
610 * doc/md.texi (atomic_test_and_set): Document.
612 2012-01-25 Richard Henderson <rth@redhat.com>
614 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
616 2012-01-25 Richard Henderson <rth@redhat.com>
619 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
620 to effect no-op split.
622 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
625 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
626 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
627 (BT_FN_VOID_PTR_INT_SIZE): New.
628 (BT_FN_UINT_UINT_VAR): Remove.
629 (BT_FN_UINT32_UINT32_VAR): New.
630 (BT_FN_DOUBLE_VPTR): Remove.
631 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
633 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
634 (_ITM_changeTransactionMode): Same.
635 (_ITM_memmoveRtWt): Change return type to void.
636 (_ITM_memcpyRtWt): Same.
637 (_ITM_memsetW): Same.
638 (_ITM_RaRD): Change types to double.
643 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
645 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
646 Patrick Marlier <patrick.marlier@gmail.com>
648 * trans-mem.c (requires_barrier): Do not instrument thread local
649 variables and emit save/restore for them.
651 2012-01-24 Jason Merrill <jason@redhat.com>
654 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
655 output static aliases.
657 2012-01-24 Jakub Jelinek <jakub@redhat.com>
660 * common.opt (-pie, -shared, pie, shared): Change from Common to
662 * gcc.c (display_help): Display help for -pie and -shared.
664 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
667 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
668 Remove note on size/offset limitation.
669 (AVR Variable Attributes): Add example how to read data located
670 with progmem. Refer to named address spaces.
671 * doc/invoke.texi (AVR Options): Fix typo.
673 2012-01-24 Richard Guenther <rguenther@suse.de>
675 Forward-port to trunk
676 2010-09-21 Jakub Jelinek <jakub@redhat.com>
679 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
680 op0 isn't sufficiently aligned and there is movmisalignM
681 insn for mode, use it to load op0 into a temporary register.
683 2012-01-24 Jakub Jelinek <jakub@redhat.com>
686 * target.def (const_not_ok_for_debug_p): New hook.
687 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
689 * doc/tm.texi: Regenerated.
690 * dwarf2out.c (const_ok_for_output_1): If
691 targetm.const_not_ok_for_debug_p returns true, fail.
692 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
694 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
696 2012-01-23 Kai Tietz <ktietz@redhat.com>
699 * config/i386/predicates.md (symbolic_operand): Allow
700 UNSPEC_PCREL as PIC expression for lea.
701 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
702 * config/i386/i386.c (ix86_delegitimize_address): Handle
703 UNSPEC_PCREL for none-MEM, too.
705 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
707 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
708 (ipa_tm_create_version_alias): Same.
710 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
713 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
714 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
716 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
717 Patrick Marlier <patrick.marlier@gmail.com>
718 Iain Sandoe <developer@sandoe-acoustics.co.uk>
721 * lto-wrapper.c (run_gcc): Pass the LTO section name to
722 simple_object_start_read.
724 2012-01-23 Richard Guenther <rguenther@suse.de>
727 PR tree-optimization/51895
728 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
729 parameter decomposition into BLKmode components.
731 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
733 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
734 fake variables for restrict-qualified pointers whose pointed-to type
735 contains a placeholder.
737 2012-01-23 Richard Guenther <rguenther@suse.de>
739 PR tree-optimization/51949
740 * ipa-split.c (execute_split_functions): Do not split malloc functions.
742 2012-01-23 Jakub Jelinek <jakub@redhat.com>
744 PR rtl-optimization/51933
745 * ree.c (transform_ifelse): Return true right away if dstreg is
746 already wider or equal to cand->mode.
747 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
748 (make_defs_and_copies_lists): Remove defs_list and copies_list
749 arguments, add state argument, just truncate state->work_list
750 instead of always allocating and freeing the vector. Assert that
751 get_defs succeeds instead of returning 2. Changed return type to bool.
752 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
753 have ext_src_mode, see if it has been modified already with the
754 right kind of extension and has been extended before from the
755 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
756 just return true. Remember the original mode in state->modified array.
757 (combine_reaching_defs): Add state argument. Don't allocate and
758 free here def_list, copied_list and vec vectors, instead just
759 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
760 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
761 Add state variable, clear vectors in it, initialize state.modified
762 if needed. Free all the vectors at the end and state.modified too.
763 Don't skip a candidate if the extension expression has been modified.
765 2012-01-22 Douglas B Rupp <rupp@gnat.com>
768 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
769 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
770 (extra_options) interix.opt -> i386/interix.opt"
771 (extra_objs):Add winnt-stubs.o
772 * configure.ac: Add interix to target_os .comm on PE check.
773 * configure: Regenerate.
774 * config/interix3.h: Delete and move bits to..
775 * config/interix.h: Delete and move bits to..
776 * config/i386/i386-interix3.h: Delete and move bits to..
777 * config/i386/i386-interix.h: ..here.
778 (TARGET_CPU_DEFAULT): Remove redefinition.
779 (TARGET_ASM_CONSTRUCTOR): Undefine.
780 (SUBTARGET_SWITCHES): Define for ms-bitfields.
781 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
782 (PTRDIFF_TYPE): Define.
783 (LONG_DOUBLE_TYPE_SIZE): Define.
784 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
785 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
786 (TARGET_SECTION_TYPE_FLAGS): Define.
787 (ASM_DECLARE_FUNCTION_NAME): Define.
788 (ASM_OUTPUT_EXTERNAL): Define.
789 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
790 (ASM_OUTPUT_ALIGNED_BSS): Define.
791 (PCC_BITFIELD_TYPE_MATTERS): Define.
792 (USE_CONST_SECTION): Define.
793 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
794 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
795 (SUPPORTS_ONE_ONLY): Remove.
796 (I386_PE_STRIP_ENCODING): Define.
797 * config/interix.opt: Delete and move bits to..
798 * config/i386/interix.opt: ..here. New.
799 (mpe-aligned-commons): Add.
800 * config/i386/t-interix: Add copyright header.
801 (winnt-stubs.o): Add rule.
803 2012-01-22 Jason Merrill <jason@redhat.com>
806 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
807 for extra name aliases.
809 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
811 PR rtl-optimization/51924
812 * ree.c (combine_set_extension): Improve debugging message.
813 (combine_reaching_defs): Likewise.
814 (get_defs): Rename confusingly named variable.
815 (find_and_remove_re): Skip a candidate if the extension expression has
818 2012-01-21 Robert Millan <rmh@gnu.org>
819 Gerald Pfeifer <gerald@pfeifer.com>
821 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
822 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
824 2012-01-20 Jakub Jelinek <jakub@redhat.com>
826 PR tree-optimization/51914
827 * tree-vect-stmts.c (vectorizable_conversion): For
828 cvt_type && modifier == WIDEN, put temporary with cvt_type
829 at the beginning of vec_dsts and set vec_dest to temporary
832 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
834 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
836 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
838 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
839 * config/rs6000/rs6000.c: Likewise.
841 2012-01-20 Jakub Jelinek <jakub@redhat.com>
844 * config/arm/arm.c (arm_count_output_move_double_insns): Call
845 output_move_double on a copy of operands array.
847 2012-01-20 Cary Coutant <ccoutant@google.com>
848 Dodji Seketeli <dodji@redhat.com>
851 * dwarf2out.c (copy_declaration_context): Return ref to parent
852 of declaration DIE, if necessary.
853 (remove_child_or_replace_with_skeleton): Add new parameter; update
854 caller. Place skeleton DIE under parent DIE of original declaration.
855 Move call to copy_declaration_context to here ...
856 (break_out_comdat_types): ... from here.
858 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
860 PR rtl-optimization/51856
861 * reload.c (find_reloads_subreg_address): Set the address_reloaded
864 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
867 * config/arm/arm.c (arm_print_operand): Correct output of alignment
868 hints for neon loads and stores.
870 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
874 * doc/extend.texi (Named Address Spaces): Split into subsections.
875 (AVR Named Address Spaces): New subsection.
876 (M32C Named Address Spaces): New subsection.
877 (RL78 Named Address Spaces): New subsection.
878 (SPU Named Address Spaces): New subsection.
879 (Variable Attributes): New anchor "AVR Variable Attributes".
880 (AVR Variable Attributes): Rewrite and avoid wording
881 "address space" in this context.
882 * doc/invoke.texi (AVR Options): Rewrite and add documentation
883 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
884 (AVR Built-in Macros): New subsubsection therein.
885 * doc/md.texi (AVR constraints): Remove "C04", "R".
887 2012-01-20 Richard Guenther <rguenther@suse.de>
889 PR tree-optimization/51903
890 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
893 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
896 * config/arm/arm.c (arm_load_pic_register): Use
897 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
898 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
899 (arm_pic_static_addr): Likewise.
900 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
901 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
902 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
903 (pic_load_addr_unified): New.
905 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
908 * function.c (instantiate_virtual_regs_in_insn): Use
909 delete_insn_and_edges when removing a wrong asm insn.
911 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
913 PR rtl-optimization/40761
914 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
915 Add new member loop_num.
916 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
917 (ira_build): Remove the parameter.
919 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
920 (ira.c): Do not build CFG loops for one region allocation. Remove
921 argument from ira_build call.
923 * ira-build.c (init_loop_tree_node): New function.
924 (create_loop_tree_nodes): Use it. Separate the case when CFG
926 (more_one_region_p): Check current_loops.
927 (finish_loop_tree_nodes): Separate the case when CFG loops are not
929 (add_loop_to_tree): Process loop equal to NULL too.
930 (form_loop_tree): Separate the case when CFG loops are not built.
931 Use explicitly number for the root.
932 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
934 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
935 instead of loop->num.
936 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
937 (mark_all_loops_for_removal): Ditto.
938 (remove_unnecessary_regions): Separate the case when CFG loops
940 (ira_build): Remove the parameter. Use explicit number of regions
941 when CFG loops are not built.
943 * ira-color.c (print_loop_title): Separate the case for the root node.
944 Use loop_num instead of loop->num.
945 (move_spill_restore): Use loop_num instead of loop->num.
947 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
948 (change_loop): Ditto.
949 (change_loop): Use loop_num instead of loop->num.
951 * ira-lives.c (process_bb_node_lives): Ditto.
953 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
955 * ira-conflicts.c (print_allocno_conflicts): Ditto.
957 2012-01-19 Jakub Jelinek <jakub@redhat.com>
960 * tree-mudflap.c (mf_artificial): New function.
961 (execute_mudflap_function_ops, execute_mudflap_function_decls,
962 mx_register_decls, mudflap_enqueue_decl): Use it.
965 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
966 numbers in the insn pattern.
968 2012-01-19 Michael Matz <matz@suse.de>
970 PR tree-optimization/46590
971 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
972 use it in remembering which conflicts we already created.
973 (add_scope_conflicts): Adjust call to above, (de)allocate helper
976 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
979 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
980 (merge_and_complain): Same.
982 2012-01-19 Jakub Jelinek <jakub@redhat.com>
985 * config/initfini-array.h: Guard content of the header
986 with #ifdef HAVE_INITFINI_ARRAY.
987 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
988 Add initfini-array.h to tm_file here.
989 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
990 * config.gcc: Don't add initfini-array.h to tm_file here.
991 * configure: Regenerated.
993 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
995 PR rtl-optimization/51505
996 * df-problems.c (df_kill_notes): New parameter live. Update comment.
997 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
998 (df_note_bb_compute): Update the call to df_kill_notes.
1000 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1002 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1004 2012-01-18 Richard Guenther <rguenther@suse.de>
1006 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1007 of conversions to void *.
1009 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1010 Richard Sandiford <rdsandiford@googlemail.com>
1014 * optabs.h (simplify_expand_binop): Declare.
1015 * optabs.c (simplify_expand_binop): Make global.
1016 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1017 endian targets if the source cannot be exactly covered by word
1020 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1023 * hard-reg-set.h (struct hard_reg_set_container): New type.
1024 * target.h (struct hard_reg_set_container): Forward declare.
1025 * target.def (set_up_by_prologue): New target hook.
1026 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1027 * doc/tm.texi: Regenerated.
1028 * function.c (thread_prologue_and_epilogue_insns): Change
1029 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1030 Call targetm.set_up_by_prologue on it.
1031 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1032 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1034 2012-01-17 Nick Clifton <nickc@redhat.com>
1036 * config/rx/rx.c (rx_can_use_simple_return): New function.
1037 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1038 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1040 2012-01-17 Richard Guenther <rguenther@suse.de>
1043 * expr.c (expand_assignment): Take address-space information
1044 from the address operand of MEM_REF and TARGET_MEM_REF.
1045 (expand_expr_real_1): Likewise.
1047 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1049 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1050 reload dump is requested.
1052 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1055 * trans-mem.c (requires_barrier): Call may_be_aliased.
1057 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1059 PR tree-optimization/51877
1060 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1061 call arguments and fndecls compare equal, instead return false if they
1062 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1063 both SSA_NAMEs that are valueized the same, or they satisfy
1066 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1068 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1070 * configure: Regenerate.
1072 2012-01-16 Jan Hubicka <jh@suse.cz>
1076 * convert.c (convert_to_integer): Use fold_convert for
1077 converting an INTEGER_CST to integer type.
1079 2012-01-16 Jason Merrill <jason@redhat.com>
1082 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1084 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1087 * config/s390/s390.c (s390_chunkify_start): Don't skip
1088 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1089 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1090 If insn is followed by NOTE_INSN_VAR_LOCATION or
1091 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1092 Don't use location of note insns.
1094 PR tree-optimization/51865
1095 * tree-inline.c (tree_function_versioning): Call remap_decl
1096 on DECL_RESULT whenever it has VOID_TYPE_P type.
1098 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1100 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1101 for calls to locally-binding MIPS16 functions if only the return
1102 type uses float regs.
1104 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1105 Richard Sandiford <rdsandiford@googlemail.com>
1107 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1108 (SYMBOL_32_HIGH): Likewise.
1109 (mips_output_tls_reloc_directive): Declare.
1110 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1111 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1112 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1113 (mips_lo_relocs, mips_hi_relocs): Make extern.
1114 (mips16_stub_function): Move up file.
1115 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1116 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1117 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1118 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1119 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1120 (mips_get_tp): Add MIPS16 support.
1121 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1122 Generalize DTPREL and TPREL handling.
1123 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1124 Add MIPS16 TLS support.
1125 (mips_output_tls_reloc_directive): New function.
1126 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1127 * config/mips/predicates.md (symbolic_operand_with_high)
1128 (tls_reloc_operand): New predicates.
1129 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1130 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1131 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1132 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1133 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1134 (*tls_get_tp_mips16_call_<mode>): Likewise.
1136 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1138 PR rtl-optimization/51821
1139 * recog.c (peep2_find_free_register): Determine clobbered registers
1142 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1145 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1146 * config/avr/avr.c: Likewise.
1147 * config/avr/avr.h: Likewise.
1149 2012-01-13 Ian Lance Taylor <iant@google.com>
1152 * tree.h (TYPE_QUALS): Add cast to int.
1153 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1155 2012-01-13 Ian Lance Taylor <iant@google.com>
1157 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1158 comparing param_index to VEC_length result.
1160 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1162 * c-decl.c: Do not include tree-mudflap.h
1163 * tree-optimize.c: Likewise.
1164 * Makefile.in: Update dependencies.
1166 2012-01-13 Richard Guenther <rguenther@suse.de>
1169 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1170 variable-sized result always use RSO.
1172 2012-01-12 DJ Delorie <dj@redhat.com>
1174 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1175 pointer type, not just the default pointer type.
1177 2012-01-09 Richard Henderson <rth@redhat.com>
1178 Denis Chertykov <chertykov@gmail.com>
1181 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1182 * config/avr/avr.c (avr_can_eliminate): Simplify.
1183 (avr_initial_elimination_offset): Likewise.
1184 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1185 (expand_epilogue): Likewise.
1186 (avr_legitimize_address): Gut.
1187 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1188 (avr_hard_regno_nregs): New.
1189 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1190 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1191 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1192 add soft frame pointer.
1193 (CALL_USED_REGISTERS): Likewise.
1194 (REG_CLASS_CONTENTS): Likewise.
1195 (REGISTER_NAMES): Likewise.
1196 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1197 (HARD_FRAME_POINTER_REGNUM): New.
1198 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1199 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1200 remove the HARD_FRAME_POINTER self-elimination.
1202 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1205 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1206 DECL_EXTERNAL when checking for initializers of progmem variables.
1208 2012-01-12 Ira Rosen <irar@il.ibm.com>
1210 PR tree-optimization/51799
1211 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1212 that the last operation is a type demotion.
1214 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1216 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1217 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1219 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1222 * combine.c (distribute_notes): If i3 is a noreturn call,
1223 allow old_size to be equal to args_size and make sure the
1224 noreturn call gets REG_ARGS_SIZE note.
1225 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1226 on noreturn calls even when the delta is 0.
1228 2012-01-11 Nathan Sidwell <nathan@acm.org>
1230 * gcov.c (STRING_SIZE): Remove.
1231 (generate_results): Erase annotations for source files with no
1232 coverage information.
1234 (output_lines): Use it.
1236 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1238 * gimple.h (gimplify_body): Remove first argument.
1239 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1240 pointer set here, instead just pass DATA to walk_tree.
1241 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1242 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1243 (unvisit_body): Likewise, but with unmark_visited.
1244 (gimplify_body): Remove BODY_P argument and adjust.
1245 (gimplify_function_tree): Adjust call to gimplify_body.
1246 * omp-low.c (finalize_task_copyfn): Likewise.
1248 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1250 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1251 (build_function_type_skip_args): Delete.
1252 * tree.c (build_function_type_skip_args): Make static and add
1253 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1254 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1255 pass it to build_function_type_skip_args.
1256 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1257 (tree_function_versioning): Likewise.
1258 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1259 build_function_decl_skip_args.
1260 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1261 and pass it to build_function_decl_skip_args/tree_function_versioning.
1262 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1263 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1264 * trans-mem.c (ipa_tm_create_version): Likewise.
1265 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1266 * tree-inline.c (declare_return_variable): Remove always-true test.
1267 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1268 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1269 * ipa-split.c (split_function): Skip the return value for the split
1270 part if it doesn't return.
1272 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1274 PR tree-optimization/49642
1275 * ipa-split.c (forbidden_dominators): New variable.
1276 (check_forbidden_calls): New function.
1277 (dominated_by_forbidden): Likewise.
1278 (consider_split): Check for forbidden dominators.
1279 (execute_split_functions): Initialize and free forbidden
1280 dominators info; call check_forbidden_calls.
1282 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1284 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1286 2012-01-11 Nick Clifton <nickc@redhat.com>
1288 * config/rx/rx.md (return): Define pattern.
1290 2012-01-11 Richard Guenther <rguenther@suse.de>
1292 * doc/extend.texi (malloc attribute): Adjust according to
1295 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1296 Patrick Marlier <patrick.marlier@gmail.com>
1299 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1300 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1301 (ipa_tm_note_irrevocable): Same.
1302 (ipa_tm_scan_irr_block): Same.
1303 (ipa_tm_decrement_clone_counts): Same.
1304 (ipa_tm_scan_irr_function): Same.
1305 (ipa_tm_create_version_alias): Same.
1306 (ipa_tm_create_version): Same.
1307 (ipa_tm_transform_calls_redirect): Same.
1308 (ipa_tm_transform_calls): Same.
1309 (ipa_tm_transform_transaction): Same.
1310 (ipa_tm_execute): Same.
1312 2012-01-10 Richard Guenther <rguenther@suse.de>
1315 * opts.c (common_handle_option): Handle -Werror.
1317 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1319 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1322 2012-01-10 Jason Merrill <jason@redhat.com>
1324 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1327 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1329 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1330 supports R_386_TLS_GD_PLT reloc.
1331 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1332 supports R_386_TLS_LDM_PLT reloc.
1333 * configure: Regenerate.
1334 * config.in: Regenerate.
1336 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1339 Extend __pgmx semantics to linearize memory.
1340 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1341 determine if code comes inline or from libgcc.
1342 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1343 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1344 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1345 (movmemx_qi, movmemx_hi): New insns.
1346 (xload_<mode>_libgcc): Rewrite to new insn condition.
1347 (xload_<mode>): Remove insns.
1348 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1349 cases that don't satisfy avr_xload_libgcc_p().
1350 (avr_addr_space_convert): Allow converting in any direction.
1351 (avr_addr_space_subset_p): Return always true.
1352 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1353 (avr_emit_movmemhi): Ditto.
1354 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1355 (avr_out_movmem): Ditto.
1356 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1357 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1358 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1359 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1360 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1362 2012-01-10 Richard Guenther <rguenther@suse.de>
1364 PR tree-optimization/50913
1365 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1366 Require data-refs to be representable by Graphite with respect
1369 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1371 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1372 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1374 2012-01-10 Tom de Vries <tom@codesourcery.com>
1376 PR rtl-optimization/51271
1377 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1378 handling annulled branch.
1380 2012-01-10 Richard Henderson <rth@redhat.com>
1382 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1383 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1384 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1385 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1386 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1387 arm_expand_vec_perm_const): New.
1388 * config/arm/arm-protos.h: Update.
1389 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1390 (*neon_vswp<VDQX>): New.
1391 (neon_vcombine<VDX>): Use neon_split_vcombine.
1392 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1393 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1394 (vec_perm<VE>): New.
1396 2012-01-10 Richard Henderson <rth@redhat.com>
1398 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1399 use it if reload_completed.
1400 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1401 arm_output_asm_insn, arm_process_output_memory_barrier,
1402 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1403 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1404 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1405 arm_process_output_sync_insn, arm_output_sync_insn,
1406 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1407 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1408 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1409 (emit_unlikely_jump): New.
1410 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1411 (arm_split_atomic_op): New.
1412 * config/arm/arm-protos.h: Update.
1413 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1414 (struct arm_sync_generator): Remove.
1415 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1416 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1417 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1418 (VUNSPEC_LL, VUNSPEC_SC): New.
1419 (sync_result, sync_memory, sync_required_value, sync_new_value,
1420 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1421 (attr length): Don't use arm_sync_loop_insns.
1422 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1423 (movsfcc, movdfcc): Likewise.
1424 * config/arm/constraints.md (Ua): New.
1425 * config/arm/prediates.md (mem_noofs_operand): New.
1426 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1427 (sync_clobber, sync_t2_reqd): Remove.
1428 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1429 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1430 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1431 (arm_sync_compare_and_swap<SIDI>): Remove.
1432 (arm_sync_compare_and_swap<NARROW>): Remove.
1433 (arm_sync_lock_test_and_set<SIDI>): Remove.
1434 (arm_sync_lock_test_and_set<NARROW>): Remove.
1435 (arm_sync_new_<syncop><SIDI>): Remove.
1436 (arm_sync_new_<syncop><NARROW>): Remove.
1437 (arm_sync_new_nand<SIDI>): Remove.
1438 (arm_sync_new_nand<NARROW>): Remove.
1439 (arm_sync_old_<syncop><SIDI>): Remove.
1440 (arm_sync_old_<syncop><NARROW>): Remove.
1441 (arm_sync_old_nand<SIDI>): Remove.
1442 (arm_sync_old_nand<NARROW>): Remove.
1443 (*memory_barrier): Merge arm_output_memory_barrier.
1444 (atomic_compare_and_swap<QHSD>): New.
1445 (atomic_compare_and_swap<NARROW>_1): New.
1446 (atomic_compare_and_swap<SIDI>_1): New.
1447 (atomic_exchange<QHSD>): New.
1448 (cas_cmp_operand, cas_cmp_str): New.
1449 (atomic_op_operand, atomic_op_str): New.
1450 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1451 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1452 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1453 (arm_load_exclusive<NARROW>): New.
1454 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1455 (arm_store_exclusive<QHSD>): New.
1457 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1459 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1460 reload patterns if -mvsx-scalar-memory.
1462 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1463 generated, even -mno-vsx-scalar-double was used.
1464 (vsx_xscvdpsp_scalar): Likewise.
1465 (vsx_xscvspdp_scalar2): Likewise.
1467 2012-01-09 Tom de Vries <tom@codesourcery.com>
1468 Andrew Pinski <apinski@cavium.com>
1471 * reorg.c (fill_slots_from_thread): Don't speculate
1472 frame-related insns.
1474 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1476 * sched-int.h (bb_note): Move to...
1477 * basic-block.h: ...here.
1478 * haifa-sched.c (bb_note): Move to...
1479 * cfgrtl.c: ...here.
1480 * function.c (next_block_for_reg): New function.
1481 (move_insn_for_shrink_wrap): Likewise.
1482 (prepare_shrink_wrap): Rewrite to use the above.
1484 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1486 * gimple.c (is_gimple_non_addressable): Remove.
1487 * gimple.h: Remove is_gimple_non_addressable.
1488 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1489 is_gimple_non_addressable.
1490 * trans-mem.c (expand_assign_tm): Same.
1492 2012-01-09 Richard Guenther <rguenther@suse.de>
1494 PR tree-optimization/51775
1495 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1496 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1498 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1500 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1502 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1504 2012-01-09 Richard Guenther <rguenther@suse.de>
1506 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1508 2012-01-08 Jan Hubicka <jh@suse.cz>
1510 PR tree-optimize/51680
1511 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1512 on when known_vals needs to be computed; cleanup.
1514 2012-01-08 Jan Hubicka <jh@suse.cz>
1516 PR tree-optimize/51694
1517 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1519 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1521 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1522 for -std=c++98 and -std=c++11 too.
1524 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1526 * cfgloop.c (cancel_loop): Add free() of bbs array.
1528 2012-01-07 Jan Hubicka <jh@suse.cz>
1530 PR tree-optimization/51600
1531 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1532 that benefits small functions.
1534 2012-01-07 Jan Hubicka <jh@suse.cz>
1536 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1538 2012-01-07 Jan Hubicka <jh@suse.cz>
1540 PR tree-optimization/51680
1541 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1542 whose inlining reduce unit size.
1544 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1547 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1548 Add canonical node to containing_mem chain after the non-canonical
1549 one, even if there weren't any locs to propagate.
1550 (remove_useless_values): Keep only canonical values.
1551 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1552 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1553 canonicalize mem_chain elements that are not discarded.
1555 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1558 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1559 before emitting functions.
1561 PR gcov-profile/50127
1562 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1563 clear_aux_for_blocks.
1565 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1568 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1570 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1572 * c-decl.c (ext_block): Moved up.
1573 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1575 2012-01-06 Han Shen <shenhan@google.com>
1577 Translate built-in include paths for sysroot.
1578 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1579 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1581 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1582 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1584 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1585 control whether sysroot should be prepended to gxx include dir.
1587 * configure: Regenerate.
1589 2012-01-06 Torvald Riegel <triegel@redhat.com>
1591 PR rtl-optimization/51771
1592 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1593 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1595 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1597 PR tree-optimization/51315
1598 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1599 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1601 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1604 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1605 for shrp pattern. Correctly handle and fixup shift variable.
1606 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1608 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1611 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1612 note when !ACCUMULATE_OUTGOING_ARGS.
1614 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1616 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1618 (extract_range_from_unary_expr_1): Avoid useless computations.
1620 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1622 PR rtl-optimization/51767
1623 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1624 of jump_block and add an extra edge for degenerated asm gotos.
1627 * stmt.c (check_unique_operand_names): Don't ICE during error
1628 reporting if i is from labels chain.
1631 * profile.c (branch_prob): Split bbs that have exit edge
1632 and need a fake entry edge too.
1634 2012-01-05 Jan Hubicka <jh@suse.cz>
1637 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1640 2012-01-05 Richard Guenther <rguenther@suse.de>
1643 * tree-streamer-out.c (write_ts_optimization): New function.
1644 (streamer_write_tree_body): Call it.
1645 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1646 (streamer_read_tree_body): Call it.
1647 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1649 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1652 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1653 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1654 in_cleanup_point_expr before gimplify_stmt call and restore it
1656 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1657 in_cleanup_point_expr is false.
1659 2012-01-05 Richard Guenther <rguenther@suse.de>
1662 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1664 * toplev.c (process_options): Reject combining mudflap and LTO.
1665 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1667 2012-01-05 Richard Guenther <rguenther@suse.de>
1669 PR tree-optimization/51760
1670 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1672 (bit_value_unop): Handle UNDEFINED operands.
1673 (bit_value_binop): Likewise.
1675 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1677 * config/avr/avr.c (avr_replace_prefix): Remove.
1678 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1679 (avr_asm_function_rodata_section): Ditto.
1680 (avr_asm_select_section): Ditto.
1682 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1684 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1687 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1690 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1691 calls that have any non-fake successor edges.
1694 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1696 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1698 PR tree-optimization/51624
1699 * tree-sra.c (build_ref_for_model): When replicating a chain of
1700 COMPONENT_REFs, stop as soon as the offset would become negative.
1702 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1705 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1706 in .debug_loc on the floor.
1708 2012-01-04 Andrew Pinski <apinski@cavium.com>
1710 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1712 2012-01-04 Andrew Pinski <apinski@cavium.com>
1713 Adam Nemet <anemet@caviumnetworks.com>
1715 * config/mips/mips.md (size): Add SI and DI.
1716 (SIZE): New mode attribute.
1717 (U): New code attribute.
1718 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1719 (mips_lbux_<mode>): Delete.
1720 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1721 (mips_lhx): Use gen_mips_lhx_extsi.
1722 (mips_lhx_<mode>): Delete.
1724 (mips_l<size>x): New expand.
1725 (mips_lwx_<mode>): Delete.
1726 (mips_l<GPR:size>x_<P:mode>): New pattern.
1727 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1728 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1729 * config/mips/mips.c (mips_lx_address_p): New function.
1730 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1731 (dsp64): New availability predicate.
1732 (mips_builtins): Add an entry for __builtin_mips_ldx.
1733 * config/mips/mips.h (ISA_HAS_LBX): New define.
1734 (ISA_HAS_LBUX): Likewise.
1735 (ISA_HAS_LHX): Likewise.
1736 (ISA_HAS_LHUX): Likewise.
1737 (ISA_HAS_LWX): Likewise.
1738 (ISA_HAS_LWUX): Likewise.
1739 (ISA_HAS_LDX): Likewise.
1740 * doc/extend.texi (__builtin_mips_ldx): Document.
1742 2012-01-04 Tristan Gingold <gingold@adacore.com>
1744 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1745 when long pointers are used.
1746 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1747 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1748 (ia64-hp-*vms*): Remove.
1749 * config/vms/xm-vms64.h: Delete.
1751 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1754 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1756 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1758 * opts.c (finish_options): Remove duplicate sorry.
1760 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1763 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1766 2012-01-04 Richard Guenther <rguenther@suse.de>
1769 * tree.c (size_low_cst): New function.
1770 * tree.h (size_low_cst): Declare.
1771 * fold-const.c (fold_comparison): Use it to extract the low
1772 part of the POINTER_PLUS_EXPR offset.
1774 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1776 Fix clearing ZERO_REG
1777 * config/avr/avr.md (cc): Add alternative "ldi".
1778 (movqi_insn): Use it in cc attribute.
1779 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1780 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1781 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1783 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1785 * configure: Regenerate.
1787 2012-01-04 Richard Guenther <rguenther@suse.de>
1789 PR tree-optimization/49651
1790 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1791 (var_can_have_subvars): Use it.
1792 (get_constraint_for_1): Only consider subfields if there can be any.
1794 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1797 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1798 to its new canonical_cselib_val and the cselib_val was in
1799 first_containing_mem chain, but the canonical_cselib_val was not,
1800 add the latter into the chain.
1801 (cselib_invalidate_mem): Compare canonical_cselib_val of
1802 addr_list chain elt with v.
1805 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1806 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1808 (output_macinfo_op): Don't ggc_strdup fd->filename.
1809 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1810 then ggc_strdup it. Don't free inc->info or cur->info.
1811 (output_macinfo): Don't free ref->info or file->info.
1813 2012-01-03 Ira Rosen <irar@il.ibm.com>
1815 PR tree-optimization/51269
1816 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1817 first_niters a pointer.
1818 (slpeel_tree_peel_loop_to_edge): Likewise.
1819 (vect_do_peeling_for_loop_bound): Update call to
1820 slpeel_tree_peel_loop_to_edge.
1821 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1822 here. Remove it from the parameters list.
1823 (vect_do_peeling_for_alignment): Update calls and compute
1826 2012-01-03 Richard Guenther <rguenther@suse.de>
1828 PR tree-optimization/51070
1829 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1830 Properly handle calls.
1832 2012-01-03 Richard Guenther <rguenther@suse.de>
1834 PR tree-optimization/51692
1835 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1836 the LHS of allocation stmts.
1838 2012-01-03 Olivier Hainque <hainque@adacore.com>
1840 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1842 2012-01-03 Olivier Hainque <hainque@adacore.com>
1844 * collect2.c (main): In AIX specific computations for vector
1845 insertions, use CONST_CAST2 to cast from char ** to const char **.
1847 2012-01-03 Richard Guenther <rguenther@suse.de>
1850 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1851 the context of a limbo DIE when it does not already exist.
1853 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1855 PR tree-optimization/51719
1856 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1857 but direct call is, clear direct call's lhs and don't add fallthrough
1858 edge from dcall_bb to join_bb and PHIs.
1860 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1862 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1863 the instructions emitted by the pattern.
1864 ("*TDC_insn_<mode>"): Add comment.
1866 2012-01-03 Richard Guenther <rguenther@suse.de>
1869 * fold-const.c (fold_comparison): Properly canonicalize
1870 tree offset and HOST_WIDE_INT bit position.
1872 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1874 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1875 operands for extzv pattern.
1877 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1880 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1883 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1885 * doc/invoke.texi (-flto and related options): Copy-edit.
1887 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1889 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1891 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1893 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1896 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1898 * expr.h (move_by_pieces_ninsns): Declare.
1899 * expr.c (move_by_pieces_ninsns): Make external.
1900 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1901 (mips_store_by_pieces_p): Likewise.
1902 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1903 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1904 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1905 (mips_store_by_pieces_p): Likewise.
1907 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1909 * passes.c (register_one_dump_file): Free full_name.
1911 * reload1.c (reload): Don't allocate reg_max_ref_width here.
1912 (calculate_elim_costs_all_insns): Free offsets_at and
1913 offsets_known_at at the end and clear the pointers.
1915 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1917 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1918 this option introduced in r180739.
1920 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1923 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1924 (tmake_file target=avr): Add avr/t-multilib.
1926 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1927 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1928 * config/avr/genmultilib.awk: New file.
1929 * config/avr/t-multilib: New auto-generated file.
1930 * config/avr/multilib.h: New auto-generated file.
1931 * config/avr/t-avr (AVR_MCUS): New variable.
1932 (genopt.sh): Use it.
1933 (s-mlib): Depend on t-multilib.
1934 (t-multilib, multilib.h): New dependencies.
1935 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1936 (MULTILIB_OPTIONS): Remove.
1937 (MULTILIB_MATCHES): Remove.
1938 (MULTILIB_DIRNAMES): Remove.
1939 (MULTILIB_EXCEPTIONS): Remove:
1940 * config/avr/genopt.sh: Don't use hard coded file name;
1941 pass AVR_MCUS from t-avr instead.
1943 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1945 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1947 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1949 Implement light-weight DImode support.
1950 * config/avr/avr-dimode.md: New file.
1951 * config/avr/avr.md: Include it.
1952 (adjust_len): Add plus64, compare64.
1953 (HIDI): Remove code iterator.
1954 (code_stdname): New code attribute.
1955 (rotx, rotsmode): Remove DI.
1956 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1958 * config/avr/avr-protos.h (avr_have_dimode): New.
1959 (avr_out_plus64, avr_out_compare64): New.
1960 * config/avr/avr.c (avr_out_compare): Handle DImode.
1961 (avr_have_dimode): New variable definition and initialization.
1962 (avr_out_compare64, avr_out_plus64): New functions.
1963 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1964 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1965 (avr_compare_pattern): Skip DImode comparisons.
1967 2012-01-02 Revital Eres <revital.eres@linaro.org>
1969 * ddg.c (def_has_ccmode_p): New function.
1970 (add_cross_iteration_register_deps,
1971 create_ddg_dep_from_intra_loop_link): Call it.
1973 2012-01-02 Richard Guenther <rguenther@suse.de>
1976 * invoke.texi (fassociative-math): Remove spurious paranthesis.
1978 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1980 * gcc.c (process_command): Update copyright notice dates.
1981 * gcov.c (print_version): Likewise.
1982 * gcov-dump.c (print_version): Likewise.
1983 * mips-tfile.c (main): Likewise.
1984 * mips-tdump.c (main): Likewise.
1986 2012-01-01 Ira Rosen <irar@il.ibm.com>
1988 PR tree-optimization/51704
1989 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1990 a use is inside the basic block or loop before accessing its vect info.
1992 2012-01-01 Jan Hubicka <jhjh@suse.cz>
1994 PR rtl-optimization/51069
1995 * cfgloopmanip.c (remove_path): Removing path making irreducible
1996 region unconditional makes BB part of the region.
1998 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2000 PR tree-optimization/51683
2001 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2002 calls with side-effects.
2003 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2005 Copyright (C) 2012 Free Software Foundation, Inc.
2007 Copying and distribution of this file, with or without modification,
2008 are permitted in any medium without royalty provided the copyright
2009 notice and this notice are preserved.