1 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
4 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
5 -Weffc++ and specify guidelines come from second edition.
7 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
9 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
10 (sibcall_value_multiple_internal, call_split, call_internal_direct)
11 (call_direct_split, call_value_split, call_value_internal_direct)
12 (call_value_direct_split, call_value_multiple_split): Use jal and
15 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
17 * reload1.c (reload_regs_reach_end_p): Replace with...
18 (reload_reg_rtx_reaches_end_p): ...this function.
19 (new_spill_reg_store): Update commentary.
20 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
21 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
22 before setting new_spill_reg_store.
23 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
24 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
25 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
26 for non-spill reload registers.
28 2012-02-05 Ira Rosen <irar@il.ibm.com>
30 PR tree-optimization/52091
31 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
32 (vect_is_simple_use_1): Likewise.
33 * tree-vect-loop.c (vectorizable_reduction): Update calls
34 to vect_is_simple_use_1 and vect_is_simple_use.
35 (vectorizable_live_operation): Likewise.
36 * tree-vect-patterns.c (widened_name_p,
37 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
39 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
40 vectorizable_call, vectorizable_conversion,
41 vectorizable_assignment, vectorizable_shift,
42 vectorizable_operation, vectorizable_store, vectorizable_load):
44 (vect_is_simple_cond): Add an argument, pass it to
46 (vectorizable_condition): Update calls to vect_is_simple_cond,
48 (vect_is_simple_use): Add an argument, the statement in which
49 OPERAND is used. Check that if OPERAND's def stmt is a double
50 reduction phi node, the use is a phi node too.
51 (vect_is_simple_use_1): Add an argument, pass it to
53 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
54 to vect_is_simple_use.
56 2012-02-04 Jakub Jelinek <jakub@redhat.com>
58 PR rtl-optimization/52095
59 * modulo-sched.c (dump_insn_locator): New function.
60 (loop_canon_p, sms_schedule): Use it.
62 PR rtl-optimization/52113
63 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
64 even for decomposable shift/zext insns.
66 2012-02-03 Jakub Jelinek <jakub@redhat.com>
67 Zdenek Dvorak <ook@ucw.cz>
69 PR rtl-optimization/52092
70 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
71 on get_iv_value result.
73 2012-02-02 Andrew Pinski <apinski@cavium.com>
77 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
79 2012-02-02 Jakub Jelinek <jakub@redhat.com>
82 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
84 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
86 PR rtl-optimization/49800
87 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
88 (sched_finish): Call regstat_free_n_sets_and_refs.
90 2012-02-02 Jia Liu <proljc@gmail.com>
92 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
95 2012-02-02 Jan Hubicka <jh@suse.cz>
96 Tom de Vries <tom@codesourcery.com>
99 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
100 * varpool.c (varpool_analyze_pending_decls): Likewise.
102 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
103 Jayant R Sonar <jayant.sonar@kpitcummins.com>
105 * config.gcc: Add cr16-* support.
107 * doc/extend.texi: Document cr16 extensions.
108 * doc/install.texi: Document cr16 install.
109 * doc/invoke.texi: Document cr16 options.
110 * doc/md.texi: Document cr16 constraints.
112 * common/config/cr16/cr16-common.c: New file.
113 * config/cr16/cr16.c: New file.
114 * config/cr16/cr16.h: New file.
115 * config/cr16/cr16.md: New file.
116 * config/cr16/cr16.opt: New file.
117 * config/cr16/cr16-protos.h: New file.
118 * config/cr16/predicates.md: New file.
119 * config/cr16/constraints.md: New file.
120 * config/cr16/t-cr16: New file.
122 2012-02-02 Jakub Jelinek <jakub@redhat.com>
125 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
126 that operands[2] is either immediate, or q_regs_operand.
128 PR tree-optimization/52073
129 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
130 a pattern stmt for pattern uses, ignore uses outside of the loop.
132 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
134 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
135 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
136 (OUT_AS1, OUT_AS2): Remove.
138 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
140 PR rtl-optimization/51374
141 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
142 to cross other volatile_refs_p insns.
144 2012-02-01 Richard Guenther <rguenther@suse.de>
146 * doc/invoke.texi (fno-inline): Clarify documentation.
147 (finline-small-functions): Likewise.
148 (finline-functions): Likewise.
149 * common.opt (finline): Adjust comment and documentation.
150 (finline-small-functions): Clarify documentation.
151 (finline-functions): Likewise.
152 (finline-functions-called-once): Likewise.
154 2012-02-01 Tristan Gingold <gingold@adacore.com>
156 * c-typeck.c (composite_type): Keep mode for pointers.
158 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
160 * function.h (regno_reg_rtx): Adjust comment.
161 * reginfo.c (init_reg_modes_target): Only use the previous mode
162 if it fits within one register. Remove MIPS comment.
164 2012-01-31 Jakub Jelinek <jakub@redhat.com>
167 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
169 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
171 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
174 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
176 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
179 2012-01-31 Jakub Jelinek <jakub@redhat.com>
184 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
186 2012-01-31 Richard Guenther <rguenther@suse.de>
188 PR tree-optimization/51528
189 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
192 2012-01-31 Jakub Jelinek <jakub@redhat.com>
197 * ree.c (add_removable_extension): Change def_map argument
198 to unsigned *, store in def_map 1 + offset into *insn_list vector
199 instead of pointers into the vector.
200 (find_removable_extensions): Adjust caller.
202 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
204 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
205 Transform all "* quoted-c-code" to { c-code }.
206 Remove redundant test for "optimize" in combine patterns.
207 Move (include "avr-dimode.md") to end of file.
209 2012-01-30 Bin Cheng <bin.cheng@arm.com>
212 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
213 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
215 2012-01-30 Richard Guenther <rguenther@suse.de>
217 PR tree-optimization/52028
218 * tree-loop-distribution.c (ldist_gen): Properly update
221 2012-01-30 Jakub Jelinek <jakub@redhat.com>
224 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
225 set_cur_line_info_table if not emitting debug info.
227 PR tree-optimization/52046
228 * tree-vect-patterns.c (check_bool_pattern): Give up if
229 a comparison could throw.
232 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
234 2012-01-30 Richard Guenther <rguenther@suse.de>
236 PR tree-optimization/52045
237 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
238 SSA form if cfgcleanup did anything.
240 2012-01-30 Richard Guenther <rguenther@suse.de>
242 PR tree-optimization/52045
243 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
244 before computing final todo.
246 2012-01-30 Richard Guenther <rguenther@suse.de>
248 PR tree-optimization/51528
249 * tree-sra.c (sra_modify_assign): Re-factor in preparation
252 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
254 * df-problems.c (df_kill_notes): Check that the use refers
255 to the note under examination.
257 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
260 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
261 parameter and use short-lived pseudos.
262 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
263 (sparc_expand_vector_init): Const-ify local variables and adjust
264 calls to above functions.
266 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
268 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
270 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
272 * doc/invoke.texi: Make usage of "compile time" and
273 "run time"/"runtime" consistent throughout the file.
275 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
277 * config/alpha/alpha.c (alpha_option_overrride): Default to
278 full IEEE compliance mode for Go language.
280 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
282 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
283 (LINK_SSP_SPEC): Define.
285 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
288 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
291 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
293 * doc/invoke.texi: Correct hyphenation of "floating point",
294 "double precision", and related terminology throughout the file.
296 2012-01-28 Jakub Jelinek <jakub@redhat.com>
299 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
300 arm_general_register_operand predicate for operand 2 instead of
303 2012-01-27 Ian Lance Taylor <iant@google.com>
306 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
307 * builtins.c (expand_builtin_init_trampoline): Add onstack
308 parameter. Change caller.
309 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
310 * tree.c (build_common_builtin_nodes): Declare
311 __builtin_init_heap_trampoline.
313 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
315 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
316 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
317 * config/avr/avr.c: Ditto.
318 (avr_regnames): Remove because unused.
319 * config/avr/avr.md (*cpse.ne): New peephole.
320 (*cpse.eq): New peephole from former cpse peepholes.
322 2012-01-27 Michael Eager <eager@eagercon.com>
324 * config/microblaze.c (microblaze_emit_compare): Correct
325 test after pcmp instruction.
327 2012-01-27 Richard Guenther <rguenther@suse.de>
329 PR tree-optimization/52020
330 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
332 2012-01-27 Richard Guenther <rguenther@suse.de>
334 * ipa-pure-const.c (check_stmt): Clobbers do not make a
335 function non-const/pure.
337 2012-01-27 Richard Guenther <rguenther@suse.de>
339 PR tree-optimization/50444
340 * tree-sra.c (build_ref_for_offset): Properly adjust the
341 MEM_REF type for unaligned accesses.
343 2012-01-27 Richard Guenther <rguenther@suse.de>
345 PR tree-optimization/50444
346 * expr.c (mem_ref_refers_to_non_mem_p): New function.
347 (expand_assignment): Use it. Properly handle misaligned
348 bases when expanding stores to component references.
349 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
352 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
355 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
356 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
357 * tree-data-ref.c (find_data_references_in_loop): Make static.
358 (compute_all_dependences): Change return type to bool. Bail out
359 for too many datarefs in a loop. Move the hunk resetting the data
360 dependences vector from ...
361 (compute_data_dependences_for_loop): ... here. Account for
362 compute_all_dependences returning false.
363 (compute_data_dependences_for_bb): Likewise.
364 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
365 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
367 2012-01-27 Richard Guenther <rguenther@suse.de>
370 * expr.c (store_field): Use the alias-set of the scratch memory
373 2012-01-27 Tom de Vries <tom@codesourcery.com>
375 PR tree-optimization/51990
376 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
378 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
380 2012-01-27 Jakub Jelinek <jakub@redhat.com>
383 * var-tracking.c (reverse_op): Don't add any reverse operation
384 if V already has any constant locations.
386 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
388 * doc/invoke.texi: Correct usage of "command line" (noun)
389 vs "command-line" (adjective) throughout.
391 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
393 * doc/invoke.texi (Language Independent Options): Move
394 -Wcoverage-mismatch blurb from here....
395 (Warning Options): ...to here.
397 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
399 * config/rs6000/rs6000.c (rs6000_option_override_internal):
400 Set rs6000_always_hint to false for 476.
402 2012-01-27 Matthias Klose <doko@ubuntu.com>
404 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
406 * incpath.c (add_standard_paths): Likewise.
408 2012-01-27 Richard Henderson <rth@redhat.com>
410 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
411 * config/m68k/sync.md (atomic_test_and_set): Rename from
412 sync_test_and_setqi and adjust the operands.
413 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
414 and unconditionally enable.
416 2012-01-27 Richard Henderson <rth@redhat.com>
418 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
419 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
420 (ldstub): Rename from ldstubqi.
421 (ldstub<I24MODE>): Remove.
423 2012-01-27 Richard Henderson <rth@redhat.com>
425 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
426 * c-cppbuiltin.c (cpp_atomic_builtins): Define
427 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
428 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
429 * doc/tm.texi: Rebuild.
431 2012-01-27 Richard Henderson <rth@redhat.com>
433 * optabs.c (gen_atomic_test_and_set): Remove default.
434 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
436 2012-01-26 Jakub Jelinek <jakub@redhat.com>
438 PR rtl-optimization/51978
439 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
440 (combine_reaching_defs): Likewise.
441 (struct re_info): Remove.
442 (add_removable_extension): Remove x and data arguments,
443 add insn, insn_list and def_map. Use the arguments directly
444 instead of using struct re_info.
445 (find_removable_extensions): Don't call add_removable_extension
446 through note_stores, instead just call it with single_set
448 (find_and_remove_re): Pass curr_cand->expr instead of
449 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
451 2012-01-26 Michael Matz <matz@suse.de>
453 PR tree-optimization/46590
454 * cfgexpand.c: Revert last change (r183305).
455 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
457 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
458 checking for emptiness.
460 2012-01-26 Jakub Jelinek <jakub@redhat.com>
463 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
464 non-addressable non-BLKmode base correctly.
466 2012-01-26 Michael Matz <matz@suse.de>
468 PR tree-optimization/48794
469 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
470 regions referenced from RESX/EH_DISPATCH.
472 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
474 * config/s390/s390.h: Make BRANCH_COST an option.
475 * config/s390/s390.opt: New option -mbranch-cost.
477 2012-01-26 Richard Henderson <rth@redhat.com>
479 Revert 2012-01-24 change:
480 * trans-mem.c (requires_barrier): Do not instrument thread local
481 variables and emit save/restore for them.
483 2012-01-25 Jakub Jelinek <jakub@redhat.com>
486 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
489 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
491 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
494 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
497 Rename __pgm to __flash.
498 Rename __pgm1 to __flash1.
499 Rename __pgm2 to __flash2.
500 Rename __pgm3 to __flash3.
501 Rename __pgm4 to __flash4.
502 Rename __pgm5 to __flash5.
503 Rename __pgmx to __memx.
504 * doc/extend.texi (AVR Named Address Spaces)
505 Rename address space names as indicated above.
506 * config/avr/avr.c (avr_addrspace): Ditto.
508 * config/avr/avr-protos.h
509 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
510 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
511 * config/avr/predicates.md: Ditto.
512 * config/avr/avr.c Ditto, and
513 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
514 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
516 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
517 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
518 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
519 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
520 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
521 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
522 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
523 * config/avr/avr.c: Ditto.
524 * config/avr/avr.md: Ditto.
526 2012-01-25 Jason Merrill <jason@redhat.com>
529 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
531 2012-01-25 Jakub Jelinek <jakub@redhat.com>
533 PR tree-optimization/51987
534 * tree-data-ref.c (get_references_in_stmt): Handle references in
535 non-volatile GIMPLE_ASM.
537 2012-01-25 Richard Guenther <rguenther@suse.de>
539 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
540 bases are dereferenced.
542 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
544 PR rtl-optimization/48374
545 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
547 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
549 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
550 compute_data_dependences_for_loop returns false.
551 * tree-parloops.c (loop_parallel_p): Likewise.
553 2012-01-25 Richard Guenther <rguenther@suse.de>
555 * tree.h (get_pointer_alignment_1): Declare.
556 * builtins.c (get_pointer_alignment_1): New function.
557 (get_pointer_alignment): Use it.
559 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
561 PR rtl-optimization/48308
562 * combine.c (enum undo_kind): Add UNDO_LINKS.
563 (struct undo): Add member l to other_contents and where.
564 (do_SUBST_LINK): New.
566 (try_combine): Handle LOG_LINKS for the dummy i1 case.
567 (undo_all): Handle UNDO_LINKS.
569 2012-01-25 Richard Henderson <rth@redhat.com>
571 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
574 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
576 * optabs.c (gen_atomic_test_and_set): Use each argument.
578 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
580 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
581 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
582 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
583 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
584 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
585 TARGET_PAIRED_SINGLE_FLOAT.
587 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
589 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
590 (in_struct, return_val): Remove MEM documentation.
591 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
592 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
593 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
595 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
596 * cfgexpand.c (add_alias_set_conflicts): Likewise.
597 * expr.c (store_field): Likewise.
598 * function.c (assign_stack_temp_for_type): Likewise.
599 * ifcvt.c (noce_try_cmove_arith): Likewise.
600 * reload1.c (reload): Likewise.
601 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
602 (alpha_set_memflags): Likewise.
603 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
605 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
607 * rtl.h (true_dependence, canon_true_dependence): Remove varies
609 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
610 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
611 (true_dependence_1, true_dependence, canon_true_dependence): Remove
613 * cselib.c (cselib_rtx_varies_p): Delete.
614 (cselib_invalidate_mem): Update call to canon_true_dependence.
615 * dse.c (record_store, check_mem_read_rtx): Likewise.
616 (scan_reads_nospill): Likewise.
617 * cse.c (check_dependence): Likewise.
618 (cse_rtx_varies_p): Delete.
619 * expr.c (safe_from_p): Update call to true_dependence.
620 * ira.c (validate_equiv_mem_from_store): Likewise.
621 (memref_referenced_p): Likewise.
622 * postreload-gcse.c (find_mem_conflicts): Likewise.
623 * sched-deps.c (sched_analyze_2): Likewise.
624 * store-motion.c (load_kills_store): Likewise.
625 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
626 * gcse.c (mems_conflict_for_gcse_p): Likewise.
627 (compute_transp): Update call to canon_true_dependence.
629 2012-01-25 Richard Henderson <rth@redhat.com>
631 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
632 (maybe_emit_atomic_test_and_set): New.
633 (expand_sync_lock_test_and_set): Use it.
634 (expand_atomic_test_and_set): Likewise.
635 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
636 the implementation; clarify implementation defined details.
637 * doc/md.texi (atomic_test_and_set): Document.
639 2012-01-25 Richard Henderson <rth@redhat.com>
641 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
643 2012-01-25 Richard Henderson <rth@redhat.com>
646 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
647 to effect no-op split.
649 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
652 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
653 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
654 (BT_FN_VOID_PTR_INT_SIZE): New.
655 (BT_FN_UINT_UINT_VAR): Remove.
656 (BT_FN_UINT32_UINT32_VAR): New.
657 (BT_FN_DOUBLE_VPTR): Remove.
658 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
660 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
661 (_ITM_changeTransactionMode): Same.
662 (_ITM_memmoveRtWt): Change return type to void.
663 (_ITM_memcpyRtWt): Same.
664 (_ITM_memsetW): Same.
665 (_ITM_RaRD): Change types to double.
670 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
672 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
673 Patrick Marlier <patrick.marlier@gmail.com>
675 * trans-mem.c (requires_barrier): Do not instrument thread local
676 variables and emit save/restore for them.
678 2012-01-24 Jason Merrill <jason@redhat.com>
681 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
682 output static aliases.
684 2012-01-24 Jakub Jelinek <jakub@redhat.com>
687 * common.opt (-pie, -shared, pie, shared): Change from Common to
689 * gcc.c (display_help): Display help for -pie and -shared.
691 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
694 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
695 Remove note on size/offset limitation.
696 (AVR Variable Attributes): Add example how to read data located
697 with progmem. Refer to named address spaces.
698 * doc/invoke.texi (AVR Options): Fix typo.
700 2012-01-24 Richard Guenther <rguenther@suse.de>
702 Forward-port to trunk
703 2010-09-21 Jakub Jelinek <jakub@redhat.com>
706 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
707 op0 isn't sufficiently aligned and there is movmisalignM
708 insn for mode, use it to load op0 into a temporary register.
710 2012-01-24 Jakub Jelinek <jakub@redhat.com>
713 * target.def (const_not_ok_for_debug_p): New hook.
714 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
716 * doc/tm.texi: Regenerated.
717 * dwarf2out.c (const_ok_for_output_1): If
718 targetm.const_not_ok_for_debug_p returns true, fail.
719 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
721 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
723 2012-01-23 Kai Tietz <ktietz@redhat.com>
726 * config/i386/predicates.md (symbolic_operand): Allow
727 UNSPEC_PCREL as PIC expression for lea.
728 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
729 * config/i386/i386.c (ix86_delegitimize_address): Handle
730 UNSPEC_PCREL for none-MEM, too.
732 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
734 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
735 (ipa_tm_create_version_alias): Same.
737 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
740 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
741 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
743 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
744 Patrick Marlier <patrick.marlier@gmail.com>
745 Iain Sandoe <developer@sandoe-acoustics.co.uk>
748 * lto-wrapper.c (run_gcc): Pass the LTO section name to
749 simple_object_start_read.
751 2012-01-23 Richard Guenther <rguenther@suse.de>
754 PR tree-optimization/51895
755 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
756 parameter decomposition into BLKmode components.
758 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
760 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
761 fake variables for restrict-qualified pointers whose pointed-to type
762 contains a placeholder.
764 2012-01-23 Richard Guenther <rguenther@suse.de>
766 PR tree-optimization/51949
767 * ipa-split.c (execute_split_functions): Do not split malloc functions.
769 2012-01-23 Jakub Jelinek <jakub@redhat.com>
771 PR rtl-optimization/51933
772 * ree.c (transform_ifelse): Return true right away if dstreg is
773 already wider or equal to cand->mode.
774 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
775 (make_defs_and_copies_lists): Remove defs_list and copies_list
776 arguments, add state argument, just truncate state->work_list
777 instead of always allocating and freeing the vector. Assert that
778 get_defs succeeds instead of returning 2. Changed return type to bool.
779 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
780 have ext_src_mode, see if it has been modified already with the
781 right kind of extension and has been extended before from the
782 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
783 just return true. Remember the original mode in state->modified array.
784 (combine_reaching_defs): Add state argument. Don't allocate and
785 free here def_list, copied_list and vec vectors, instead just
786 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
787 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
788 Add state variable, clear vectors in it, initialize state.modified
789 if needed. Free all the vectors at the end and state.modified too.
790 Don't skip a candidate if the extension expression has been modified.
792 2012-01-22 Douglas B Rupp <rupp@gnat.com>
795 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
796 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
797 (extra_options) interix.opt -> i386/interix.opt"
798 (extra_objs):Add winnt-stubs.o
799 * configure.ac: Add interix to target_os .comm on PE check.
800 * configure: Regenerate.
801 * config/interix3.h: Delete and move bits to..
802 * config/interix.h: Delete and move bits to..
803 * config/i386/i386-interix3.h: Delete and move bits to..
804 * config/i386/i386-interix.h: ..here.
805 (TARGET_CPU_DEFAULT): Remove redefinition.
806 (TARGET_ASM_CONSTRUCTOR): Undefine.
807 (SUBTARGET_SWITCHES): Define for ms-bitfields.
808 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
809 (PTRDIFF_TYPE): Define.
810 (LONG_DOUBLE_TYPE_SIZE): Define.
811 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
812 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
813 (TARGET_SECTION_TYPE_FLAGS): Define.
814 (ASM_DECLARE_FUNCTION_NAME): Define.
815 (ASM_OUTPUT_EXTERNAL): Define.
816 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
817 (ASM_OUTPUT_ALIGNED_BSS): Define.
818 (PCC_BITFIELD_TYPE_MATTERS): Define.
819 (USE_CONST_SECTION): Define.
820 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
821 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
822 (SUPPORTS_ONE_ONLY): Remove.
823 (I386_PE_STRIP_ENCODING): Define.
824 * config/interix.opt: Delete and move bits to..
825 * config/i386/interix.opt: ..here. New.
826 (mpe-aligned-commons): Add.
827 * config/i386/t-interix: Add copyright header.
828 (winnt-stubs.o): Add rule.
830 2012-01-22 Jason Merrill <jason@redhat.com>
833 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
834 for extra name aliases.
836 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
838 PR rtl-optimization/51924
839 * ree.c (combine_set_extension): Improve debugging message.
840 (combine_reaching_defs): Likewise.
841 (get_defs): Rename confusingly named variable.
842 (find_and_remove_re): Skip a candidate if the extension expression has
845 2012-01-21 Robert Millan <rmh@gnu.org>
846 Gerald Pfeifer <gerald@pfeifer.com>
848 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
849 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
851 2012-01-20 Jakub Jelinek <jakub@redhat.com>
853 PR tree-optimization/51914
854 * tree-vect-stmts.c (vectorizable_conversion): For
855 cvt_type && modifier == WIDEN, put temporary with cvt_type
856 at the beginning of vec_dsts and set vec_dest to temporary
859 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
861 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
863 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
865 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
866 * config/rs6000/rs6000.c: Likewise.
868 2012-01-20 Jakub Jelinek <jakub@redhat.com>
871 * config/arm/arm.c (arm_count_output_move_double_insns): Call
872 output_move_double on a copy of operands array.
874 2012-01-20 Cary Coutant <ccoutant@google.com>
875 Dodji Seketeli <dodji@redhat.com>
878 * dwarf2out.c (copy_declaration_context): Return ref to parent
879 of declaration DIE, if necessary.
880 (remove_child_or_replace_with_skeleton): Add new parameter; update
881 caller. Place skeleton DIE under parent DIE of original declaration.
882 Move call to copy_declaration_context to here ...
883 (break_out_comdat_types): ... from here.
885 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
887 PR rtl-optimization/51856
888 * reload.c (find_reloads_subreg_address): Set the address_reloaded
891 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
894 * config/arm/arm.c (arm_print_operand): Correct output of alignment
895 hints for neon loads and stores.
897 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
901 * doc/extend.texi (Named Address Spaces): Split into subsections.
902 (AVR Named Address Spaces): New subsection.
903 (M32C Named Address Spaces): New subsection.
904 (RL78 Named Address Spaces): New subsection.
905 (SPU Named Address Spaces): New subsection.
906 (Variable Attributes): New anchor "AVR Variable Attributes".
907 (AVR Variable Attributes): Rewrite and avoid wording
908 "address space" in this context.
909 * doc/invoke.texi (AVR Options): Rewrite and add documentation
910 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
911 (AVR Built-in Macros): New subsubsection therein.
912 * doc/md.texi (AVR constraints): Remove "C04", "R".
914 2012-01-20 Richard Guenther <rguenther@suse.de>
916 PR tree-optimization/51903
917 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
920 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
923 * config/arm/arm.c (arm_load_pic_register): Use
924 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
925 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
926 (arm_pic_static_addr): Likewise.
927 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
928 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
929 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
930 (pic_load_addr_unified): New.
932 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
935 * function.c (instantiate_virtual_regs_in_insn): Use
936 delete_insn_and_edges when removing a wrong asm insn.
938 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
940 PR rtl-optimization/40761
941 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
942 Add new member loop_num.
943 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
944 (ira_build): Remove the parameter.
946 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
947 (ira.c): Do not build CFG loops for one region allocation. Remove
948 argument from ira_build call.
950 * ira-build.c (init_loop_tree_node): New function.
951 (create_loop_tree_nodes): Use it. Separate the case when CFG
953 (more_one_region_p): Check current_loops.
954 (finish_loop_tree_nodes): Separate the case when CFG loops are not
956 (add_loop_to_tree): Process loop equal to NULL too.
957 (form_loop_tree): Separate the case when CFG loops are not built.
958 Use explicitly number for the root.
959 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
961 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
962 instead of loop->num.
963 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
964 (mark_all_loops_for_removal): Ditto.
965 (remove_unnecessary_regions): Separate the case when CFG loops
967 (ira_build): Remove the parameter. Use explicit number of regions
968 when CFG loops are not built.
970 * ira-color.c (print_loop_title): Separate the case for the root node.
971 Use loop_num instead of loop->num.
972 (move_spill_restore): Use loop_num instead of loop->num.
974 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
975 (change_loop): Ditto.
976 (change_loop): Use loop_num instead of loop->num.
978 * ira-lives.c (process_bb_node_lives): Ditto.
980 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
982 * ira-conflicts.c (print_allocno_conflicts): Ditto.
984 2012-01-19 Jakub Jelinek <jakub@redhat.com>
987 * tree-mudflap.c (mf_artificial): New function.
988 (execute_mudflap_function_ops, execute_mudflap_function_decls,
989 mx_register_decls, mudflap_enqueue_decl): Use it.
992 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
993 numbers in the insn pattern.
995 2012-01-19 Michael Matz <matz@suse.de>
997 PR tree-optimization/46590
998 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
999 use it in remembering which conflicts we already created.
1000 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1003 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1006 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1007 (merge_and_complain): Same.
1009 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1012 * config/initfini-array.h: Guard content of the header
1013 with #ifdef HAVE_INITFINI_ARRAY.
1014 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1015 Add initfini-array.h to tm_file here.
1016 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1017 * config.gcc: Don't add initfini-array.h to tm_file here.
1018 * configure: Regenerated.
1020 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1022 PR rtl-optimization/51505
1023 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1024 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1025 (df_note_bb_compute): Update the call to df_kill_notes.
1027 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1029 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1031 2012-01-18 Richard Guenther <rguenther@suse.de>
1033 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1034 of conversions to void *.
1036 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1037 Richard Sandiford <rdsandiford@googlemail.com>
1041 * optabs.h (simplify_expand_binop): Declare.
1042 * optabs.c (simplify_expand_binop): Make global.
1043 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1044 endian targets if the source cannot be exactly covered by word
1047 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1050 * hard-reg-set.h (struct hard_reg_set_container): New type.
1051 * target.h (struct hard_reg_set_container): Forward declare.
1052 * target.def (set_up_by_prologue): New target hook.
1053 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1054 * doc/tm.texi: Regenerated.
1055 * function.c (thread_prologue_and_epilogue_insns): Change
1056 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1057 Call targetm.set_up_by_prologue on it.
1058 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1059 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1061 2012-01-17 Nick Clifton <nickc@redhat.com>
1063 * config/rx/rx.c (rx_can_use_simple_return): New function.
1064 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1065 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1067 2012-01-17 Richard Guenther <rguenther@suse.de>
1070 * expr.c (expand_assignment): Take address-space information
1071 from the address operand of MEM_REF and TARGET_MEM_REF.
1072 (expand_expr_real_1): Likewise.
1074 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1076 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1077 reload dump is requested.
1079 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1082 * trans-mem.c (requires_barrier): Call may_be_aliased.
1084 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1086 PR tree-optimization/51877
1087 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1088 call arguments and fndecls compare equal, instead return false if they
1089 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1090 both SSA_NAMEs that are valueized the same, or they satisfy
1093 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1095 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1097 * configure: Regenerate.
1099 2012-01-16 Jan Hubicka <jh@suse.cz>
1103 * convert.c (convert_to_integer): Use fold_convert for
1104 converting an INTEGER_CST to integer type.
1106 2012-01-16 Jason Merrill <jason@redhat.com>
1109 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1111 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1114 * config/s390/s390.c (s390_chunkify_start): Don't skip
1115 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1116 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1117 If insn is followed by NOTE_INSN_VAR_LOCATION or
1118 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1119 Don't use location of note insns.
1121 PR tree-optimization/51865
1122 * tree-inline.c (tree_function_versioning): Call remap_decl
1123 on DECL_RESULT whenever it has VOID_TYPE_P type.
1125 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1127 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1128 for calls to locally-binding MIPS16 functions if only the return
1129 type uses float regs.
1131 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1132 Richard Sandiford <rdsandiford@googlemail.com>
1134 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1135 (SYMBOL_32_HIGH): Likewise.
1136 (mips_output_tls_reloc_directive): Declare.
1137 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1138 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1139 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1140 (mips_lo_relocs, mips_hi_relocs): Make extern.
1141 (mips16_stub_function): Move up file.
1142 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1143 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1144 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1145 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1146 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1147 (mips_get_tp): Add MIPS16 support.
1148 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1149 Generalize DTPREL and TPREL handling.
1150 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1151 Add MIPS16 TLS support.
1152 (mips_output_tls_reloc_directive): New function.
1153 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1154 * config/mips/predicates.md (symbolic_operand_with_high)
1155 (tls_reloc_operand): New predicates.
1156 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1157 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1158 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1159 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1160 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1161 (*tls_get_tp_mips16_call_<mode>): Likewise.
1163 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1165 PR rtl-optimization/51821
1166 * recog.c (peep2_find_free_register): Determine clobbered registers
1169 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1172 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1173 * config/avr/avr.c: Likewise.
1174 * config/avr/avr.h: Likewise.
1176 2012-01-13 Ian Lance Taylor <iant@google.com>
1179 * tree.h (TYPE_QUALS): Add cast to int.
1180 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1182 2012-01-13 Ian Lance Taylor <iant@google.com>
1184 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1185 comparing param_index to VEC_length result.
1187 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1189 * c-decl.c: Do not include tree-mudflap.h
1190 * tree-optimize.c: Likewise.
1191 * Makefile.in: Update dependencies.
1193 2012-01-13 Richard Guenther <rguenther@suse.de>
1196 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1197 variable-sized result always use RSO.
1199 2012-01-12 DJ Delorie <dj@redhat.com>
1201 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1202 pointer type, not just the default pointer type.
1204 2012-01-09 Richard Henderson <rth@redhat.com>
1205 Denis Chertykov <chertykov@gmail.com>
1208 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1209 * config/avr/avr.c (avr_can_eliminate): Simplify.
1210 (avr_initial_elimination_offset): Likewise.
1211 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1212 (expand_epilogue): Likewise.
1213 (avr_legitimize_address): Gut.
1214 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1215 (avr_hard_regno_nregs): New.
1216 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1217 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1218 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1219 add soft frame pointer.
1220 (CALL_USED_REGISTERS): Likewise.
1221 (REG_CLASS_CONTENTS): Likewise.
1222 (REGISTER_NAMES): Likewise.
1223 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1224 (HARD_FRAME_POINTER_REGNUM): New.
1225 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1226 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1227 remove the HARD_FRAME_POINTER self-elimination.
1229 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1232 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1233 DECL_EXTERNAL when checking for initializers of progmem variables.
1235 2012-01-12 Ira Rosen <irar@il.ibm.com>
1237 PR tree-optimization/51799
1238 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1239 that the last operation is a type demotion.
1241 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1243 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1244 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1246 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1249 * combine.c (distribute_notes): If i3 is a noreturn call,
1250 allow old_size to be equal to args_size and make sure the
1251 noreturn call gets REG_ARGS_SIZE note.
1252 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1253 on noreturn calls even when the delta is 0.
1255 2012-01-11 Nathan Sidwell <nathan@acm.org>
1257 * gcov.c (STRING_SIZE): Remove.
1258 (generate_results): Erase annotations for source files with no
1259 coverage information.
1261 (output_lines): Use it.
1263 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1265 * gimple.h (gimplify_body): Remove first argument.
1266 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1267 pointer set here, instead just pass DATA to walk_tree.
1268 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1269 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1270 (unvisit_body): Likewise, but with unmark_visited.
1271 (gimplify_body): Remove BODY_P argument and adjust.
1272 (gimplify_function_tree): Adjust call to gimplify_body.
1273 * omp-low.c (finalize_task_copyfn): Likewise.
1275 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1277 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1278 (build_function_type_skip_args): Delete.
1279 * tree.c (build_function_type_skip_args): Make static and add
1280 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1281 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1282 pass it to build_function_type_skip_args.
1283 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1284 (tree_function_versioning): Likewise.
1285 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1286 build_function_decl_skip_args.
1287 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1288 and pass it to build_function_decl_skip_args/tree_function_versioning.
1289 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1290 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1291 * trans-mem.c (ipa_tm_create_version): Likewise.
1292 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1293 * tree-inline.c (declare_return_variable): Remove always-true test.
1294 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1295 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1296 * ipa-split.c (split_function): Skip the return value for the split
1297 part if it doesn't return.
1299 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1301 PR tree-optimization/49642
1302 * ipa-split.c (forbidden_dominators): New variable.
1303 (check_forbidden_calls): New function.
1304 (dominated_by_forbidden): Likewise.
1305 (consider_split): Check for forbidden dominators.
1306 (execute_split_functions): Initialize and free forbidden
1307 dominators info; call check_forbidden_calls.
1309 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1311 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1313 2012-01-11 Nick Clifton <nickc@redhat.com>
1315 * config/rx/rx.md (return): Define pattern.
1317 2012-01-11 Richard Guenther <rguenther@suse.de>
1319 * doc/extend.texi (malloc attribute): Adjust according to
1322 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1323 Patrick Marlier <patrick.marlier@gmail.com>
1326 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1327 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1328 (ipa_tm_note_irrevocable): Same.
1329 (ipa_tm_scan_irr_block): Same.
1330 (ipa_tm_decrement_clone_counts): Same.
1331 (ipa_tm_scan_irr_function): Same.
1332 (ipa_tm_create_version_alias): Same.
1333 (ipa_tm_create_version): Same.
1334 (ipa_tm_transform_calls_redirect): Same.
1335 (ipa_tm_transform_calls): Same.
1336 (ipa_tm_transform_transaction): Same.
1337 (ipa_tm_execute): Same.
1339 2012-01-10 Richard Guenther <rguenther@suse.de>
1342 * opts.c (common_handle_option): Handle -Werror.
1344 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1346 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1349 2012-01-10 Jason Merrill <jason@redhat.com>
1351 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1354 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1356 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1357 supports R_386_TLS_GD_PLT reloc.
1358 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1359 supports R_386_TLS_LDM_PLT reloc.
1360 * configure: Regenerate.
1361 * config.in: Regenerate.
1363 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1366 Extend __pgmx semantics to linearize memory.
1367 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1368 determine if code comes inline or from libgcc.
1369 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1370 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1371 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1372 (movmemx_qi, movmemx_hi): New insns.
1373 (xload_<mode>_libgcc): Rewrite to new insn condition.
1374 (xload_<mode>): Remove insns.
1375 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1376 cases that don't satisfy avr_xload_libgcc_p().
1377 (avr_addr_space_convert): Allow converting in any direction.
1378 (avr_addr_space_subset_p): Return always true.
1379 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1380 (avr_emit_movmemhi): Ditto.
1381 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1382 (avr_out_movmem): Ditto.
1383 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1384 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1385 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1386 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1387 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1389 2012-01-10 Richard Guenther <rguenther@suse.de>
1391 PR tree-optimization/50913
1392 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1393 Require data-refs to be representable by Graphite with respect
1396 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1398 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1399 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1401 2012-01-10 Tom de Vries <tom@codesourcery.com>
1403 PR rtl-optimization/51271
1404 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1405 handling annulled branch.
1407 2012-01-10 Richard Henderson <rth@redhat.com>
1409 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1410 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1411 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1412 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1413 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1414 arm_expand_vec_perm_const): New.
1415 * config/arm/arm-protos.h: Update.
1416 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1417 (*neon_vswp<VDQX>): New.
1418 (neon_vcombine<VDX>): Use neon_split_vcombine.
1419 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1420 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1421 (vec_perm<VE>): New.
1423 2012-01-10 Richard Henderson <rth@redhat.com>
1425 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1426 use it if reload_completed.
1427 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1428 arm_output_asm_insn, arm_process_output_memory_barrier,
1429 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1430 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1431 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1432 arm_process_output_sync_insn, arm_output_sync_insn,
1433 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1434 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1435 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1436 (emit_unlikely_jump): New.
1437 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1438 (arm_split_atomic_op): New.
1439 * config/arm/arm-protos.h: Update.
1440 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1441 (struct arm_sync_generator): Remove.
1442 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1443 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1444 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1445 (VUNSPEC_LL, VUNSPEC_SC): New.
1446 (sync_result, sync_memory, sync_required_value, sync_new_value,
1447 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1448 (attr length): Don't use arm_sync_loop_insns.
1449 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1450 (movsfcc, movdfcc): Likewise.
1451 * config/arm/constraints.md (Ua): New.
1452 * config/arm/prediates.md (mem_noofs_operand): New.
1453 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1454 (sync_clobber, sync_t2_reqd): Remove.
1455 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1456 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1457 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1458 (arm_sync_compare_and_swap<SIDI>): Remove.
1459 (arm_sync_compare_and_swap<NARROW>): Remove.
1460 (arm_sync_lock_test_and_set<SIDI>): Remove.
1461 (arm_sync_lock_test_and_set<NARROW>): Remove.
1462 (arm_sync_new_<syncop><SIDI>): Remove.
1463 (arm_sync_new_<syncop><NARROW>): Remove.
1464 (arm_sync_new_nand<SIDI>): Remove.
1465 (arm_sync_new_nand<NARROW>): Remove.
1466 (arm_sync_old_<syncop><SIDI>): Remove.
1467 (arm_sync_old_<syncop><NARROW>): Remove.
1468 (arm_sync_old_nand<SIDI>): Remove.
1469 (arm_sync_old_nand<NARROW>): Remove.
1470 (*memory_barrier): Merge arm_output_memory_barrier.
1471 (atomic_compare_and_swap<QHSD>): New.
1472 (atomic_compare_and_swap<NARROW>_1): New.
1473 (atomic_compare_and_swap<SIDI>_1): New.
1474 (atomic_exchange<QHSD>): New.
1475 (cas_cmp_operand, cas_cmp_str): New.
1476 (atomic_op_operand, atomic_op_str): New.
1477 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1478 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1479 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1480 (arm_load_exclusive<NARROW>): New.
1481 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1482 (arm_store_exclusive<QHSD>): New.
1484 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1486 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1487 reload patterns if -mvsx-scalar-memory.
1489 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1490 generated, even -mno-vsx-scalar-double was used.
1491 (vsx_xscvdpsp_scalar): Likewise.
1492 (vsx_xscvspdp_scalar2): Likewise.
1494 2012-01-09 Tom de Vries <tom@codesourcery.com>
1495 Andrew Pinski <apinski@cavium.com>
1498 * reorg.c (fill_slots_from_thread): Don't speculate
1499 frame-related insns.
1501 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1503 * sched-int.h (bb_note): Move to...
1504 * basic-block.h: ...here.
1505 * haifa-sched.c (bb_note): Move to...
1506 * cfgrtl.c: ...here.
1507 * function.c (next_block_for_reg): New function.
1508 (move_insn_for_shrink_wrap): Likewise.
1509 (prepare_shrink_wrap): Rewrite to use the above.
1511 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1513 * gimple.c (is_gimple_non_addressable): Remove.
1514 * gimple.h: Remove is_gimple_non_addressable.
1515 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1516 is_gimple_non_addressable.
1517 * trans-mem.c (expand_assign_tm): Same.
1519 2012-01-09 Richard Guenther <rguenther@suse.de>
1521 PR tree-optimization/51775
1522 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1523 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1525 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1527 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1529 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1531 2012-01-09 Richard Guenther <rguenther@suse.de>
1533 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1535 2012-01-08 Jan Hubicka <jh@suse.cz>
1537 PR tree-optimize/51680
1538 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1539 on when known_vals needs to be computed; cleanup.
1541 2012-01-08 Jan Hubicka <jh@suse.cz>
1543 PR tree-optimize/51694
1544 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1546 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1548 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1549 for -std=c++98 and -std=c++11 too.
1551 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1553 * cfgloop.c (cancel_loop): Add free() of bbs array.
1555 2012-01-07 Jan Hubicka <jh@suse.cz>
1557 PR tree-optimization/51600
1558 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1559 that benefits small functions.
1561 2012-01-07 Jan Hubicka <jh@suse.cz>
1563 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1565 2012-01-07 Jan Hubicka <jh@suse.cz>
1567 PR tree-optimization/51680
1568 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1569 whose inlining reduce unit size.
1571 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1574 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1575 Add canonical node to containing_mem chain after the non-canonical
1576 one, even if there weren't any locs to propagate.
1577 (remove_useless_values): Keep only canonical values.
1578 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1579 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1580 canonicalize mem_chain elements that are not discarded.
1582 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1585 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1586 before emitting functions.
1588 PR gcov-profile/50127
1589 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1590 clear_aux_for_blocks.
1592 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1595 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1597 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1599 * c-decl.c (ext_block): Moved up.
1600 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1602 2012-01-06 Han Shen <shenhan@google.com>
1604 Translate built-in include paths for sysroot.
1605 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1606 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1608 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1609 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1611 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1612 control whether sysroot should be prepended to gxx include dir.
1614 * configure: Regenerate.
1616 2012-01-06 Torvald Riegel <triegel@redhat.com>
1618 PR rtl-optimization/51771
1619 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1620 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1622 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1624 PR tree-optimization/51315
1625 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1626 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1628 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1631 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1632 for shrp pattern. Correctly handle and fixup shift variable.
1633 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1635 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1638 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1639 note when !ACCUMULATE_OUTGOING_ARGS.
1641 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1643 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1645 (extract_range_from_unary_expr_1): Avoid useless computations.
1647 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1649 PR rtl-optimization/51767
1650 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1651 of jump_block and add an extra edge for degenerated asm gotos.
1654 * stmt.c (check_unique_operand_names): Don't ICE during error
1655 reporting if i is from labels chain.
1658 * profile.c (branch_prob): Split bbs that have exit edge
1659 and need a fake entry edge too.
1661 2012-01-05 Jan Hubicka <jh@suse.cz>
1664 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1667 2012-01-05 Richard Guenther <rguenther@suse.de>
1670 * tree-streamer-out.c (write_ts_optimization): New function.
1671 (streamer_write_tree_body): Call it.
1672 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1673 (streamer_read_tree_body): Call it.
1674 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1676 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1679 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1680 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1681 in_cleanup_point_expr before gimplify_stmt call and restore it
1683 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1684 in_cleanup_point_expr is false.
1686 2012-01-05 Richard Guenther <rguenther@suse.de>
1689 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1691 * toplev.c (process_options): Reject combining mudflap and LTO.
1692 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1694 2012-01-05 Richard Guenther <rguenther@suse.de>
1696 PR tree-optimization/51760
1697 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1699 (bit_value_unop): Handle UNDEFINED operands.
1700 (bit_value_binop): Likewise.
1702 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1704 * config/avr/avr.c (avr_replace_prefix): Remove.
1705 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1706 (avr_asm_function_rodata_section): Ditto.
1707 (avr_asm_select_section): Ditto.
1709 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1711 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1714 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1717 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1718 calls that have any non-fake successor edges.
1721 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1723 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1725 PR tree-optimization/51624
1726 * tree-sra.c (build_ref_for_model): When replicating a chain of
1727 COMPONENT_REFs, stop as soon as the offset would become negative.
1729 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1732 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1733 in .debug_loc on the floor.
1735 2012-01-04 Andrew Pinski <apinski@cavium.com>
1737 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1739 2012-01-04 Andrew Pinski <apinski@cavium.com>
1740 Adam Nemet <anemet@caviumnetworks.com>
1742 * config/mips/mips.md (size): Add SI and DI.
1743 (SIZE): New mode attribute.
1744 (U): New code attribute.
1745 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1746 (mips_lbux_<mode>): Delete.
1747 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1748 (mips_lhx): Use gen_mips_lhx_extsi.
1749 (mips_lhx_<mode>): Delete.
1751 (mips_l<size>x): New expand.
1752 (mips_lwx_<mode>): Delete.
1753 (mips_l<GPR:size>x_<P:mode>): New pattern.
1754 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1755 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1756 * config/mips/mips.c (mips_lx_address_p): New function.
1757 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1758 (dsp64): New availability predicate.
1759 (mips_builtins): Add an entry for __builtin_mips_ldx.
1760 * config/mips/mips.h (ISA_HAS_LBX): New define.
1761 (ISA_HAS_LBUX): Likewise.
1762 (ISA_HAS_LHX): Likewise.
1763 (ISA_HAS_LHUX): Likewise.
1764 (ISA_HAS_LWX): Likewise.
1765 (ISA_HAS_LWUX): Likewise.
1766 (ISA_HAS_LDX): Likewise.
1767 * doc/extend.texi (__builtin_mips_ldx): Document.
1769 2012-01-04 Tristan Gingold <gingold@adacore.com>
1771 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1772 when long pointers are used.
1773 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1774 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1775 (ia64-hp-*vms*): Remove.
1776 * config/vms/xm-vms64.h: Delete.
1778 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1781 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1783 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1785 * opts.c (finish_options): Remove duplicate sorry.
1787 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1790 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1793 2012-01-04 Richard Guenther <rguenther@suse.de>
1796 * tree.c (size_low_cst): New function.
1797 * tree.h (size_low_cst): Declare.
1798 * fold-const.c (fold_comparison): Use it to extract the low
1799 part of the POINTER_PLUS_EXPR offset.
1801 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1803 Fix clearing ZERO_REG
1804 * config/avr/avr.md (cc): Add alternative "ldi".
1805 (movqi_insn): Use it in cc attribute.
1806 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1807 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1808 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1810 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1812 * configure: Regenerate.
1814 2012-01-04 Richard Guenther <rguenther@suse.de>
1816 PR tree-optimization/49651
1817 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1818 (var_can_have_subvars): Use it.
1819 (get_constraint_for_1): Only consider subfields if there can be any.
1821 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1824 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1825 to its new canonical_cselib_val and the cselib_val was in
1826 first_containing_mem chain, but the canonical_cselib_val was not,
1827 add the latter into the chain.
1828 (cselib_invalidate_mem): Compare canonical_cselib_val of
1829 addr_list chain elt with v.
1832 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1833 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1835 (output_macinfo_op): Don't ggc_strdup fd->filename.
1836 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1837 then ggc_strdup it. Don't free inc->info or cur->info.
1838 (output_macinfo): Don't free ref->info or file->info.
1840 2012-01-03 Ira Rosen <irar@il.ibm.com>
1842 PR tree-optimization/51269
1843 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1844 first_niters a pointer.
1845 (slpeel_tree_peel_loop_to_edge): Likewise.
1846 (vect_do_peeling_for_loop_bound): Update call to
1847 slpeel_tree_peel_loop_to_edge.
1848 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1849 here. Remove it from the parameters list.
1850 (vect_do_peeling_for_alignment): Update calls and compute
1853 2012-01-03 Richard Guenther <rguenther@suse.de>
1855 PR tree-optimization/51070
1856 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1857 Properly handle calls.
1859 2012-01-03 Richard Guenther <rguenther@suse.de>
1861 PR tree-optimization/51692
1862 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1863 the LHS of allocation stmts.
1865 2012-01-03 Olivier Hainque <hainque@adacore.com>
1867 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1869 2012-01-03 Olivier Hainque <hainque@adacore.com>
1871 * collect2.c (main): In AIX specific computations for vector
1872 insertions, use CONST_CAST2 to cast from char ** to const char **.
1874 2012-01-03 Richard Guenther <rguenther@suse.de>
1877 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1878 the context of a limbo DIE when it does not already exist.
1880 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1882 PR tree-optimization/51719
1883 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1884 but direct call is, clear direct call's lhs and don't add fallthrough
1885 edge from dcall_bb to join_bb and PHIs.
1887 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1889 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1890 the instructions emitted by the pattern.
1891 ("*TDC_insn_<mode>"): Add comment.
1893 2012-01-03 Richard Guenther <rguenther@suse.de>
1896 * fold-const.c (fold_comparison): Properly canonicalize
1897 tree offset and HOST_WIDE_INT bit position.
1899 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1901 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1902 operands for extzv pattern.
1904 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1907 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1910 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1912 * doc/invoke.texi (-flto and related options): Copy-edit.
1914 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1916 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1918 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1920 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1923 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1925 * expr.h (move_by_pieces_ninsns): Declare.
1926 * expr.c (move_by_pieces_ninsns): Make external.
1927 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1928 (mips_store_by_pieces_p): Likewise.
1929 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1930 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1931 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1932 (mips_store_by_pieces_p): Likewise.
1934 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1936 * passes.c (register_one_dump_file): Free full_name.
1938 * reload1.c (reload): Don't allocate reg_max_ref_width here.
1939 (calculate_elim_costs_all_insns): Free offsets_at and
1940 offsets_known_at at the end and clear the pointers.
1942 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1944 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1945 this option introduced in r180739.
1947 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1950 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1951 (tmake_file target=avr): Add avr/t-multilib.
1953 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1954 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1955 * config/avr/genmultilib.awk: New file.
1956 * config/avr/t-multilib: New auto-generated file.
1957 * config/avr/multilib.h: New auto-generated file.
1958 * config/avr/t-avr (AVR_MCUS): New variable.
1959 (genopt.sh): Use it.
1960 (s-mlib): Depend on t-multilib.
1961 (t-multilib, multilib.h): New dependencies.
1962 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1963 (MULTILIB_OPTIONS): Remove.
1964 (MULTILIB_MATCHES): Remove.
1965 (MULTILIB_DIRNAMES): Remove.
1966 (MULTILIB_EXCEPTIONS): Remove:
1967 * config/avr/genopt.sh: Don't use hard coded file name;
1968 pass AVR_MCUS from t-avr instead.
1970 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1972 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1974 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1976 Implement light-weight DImode support.
1977 * config/avr/avr-dimode.md: New file.
1978 * config/avr/avr.md: Include it.
1979 (adjust_len): Add plus64, compare64.
1980 (HIDI): Remove code iterator.
1981 (code_stdname): New code attribute.
1982 (rotx, rotsmode): Remove DI.
1983 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1985 * config/avr/avr-protos.h (avr_have_dimode): New.
1986 (avr_out_plus64, avr_out_compare64): New.
1987 * config/avr/avr.c (avr_out_compare): Handle DImode.
1988 (avr_have_dimode): New variable definition and initialization.
1989 (avr_out_compare64, avr_out_plus64): New functions.
1990 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1991 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1992 (avr_compare_pattern): Skip DImode comparisons.
1994 2012-01-02 Revital Eres <revital.eres@linaro.org>
1996 * ddg.c (def_has_ccmode_p): New function.
1997 (add_cross_iteration_register_deps,
1998 create_ddg_dep_from_intra_loop_link): Call it.
2000 2012-01-02 Richard Guenther <rguenther@suse.de>
2003 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2005 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2007 * gcc.c (process_command): Update copyright notice dates.
2008 * gcov.c (print_version): Likewise.
2009 * gcov-dump.c (print_version): Likewise.
2010 * mips-tfile.c (main): Likewise.
2011 * mips-tdump.c (main): Likewise.
2013 2012-01-01 Ira Rosen <irar@il.ibm.com>
2015 PR tree-optimization/51704
2016 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2017 a use is inside the basic block or loop before accessing its vect info.
2019 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2021 PR rtl-optimization/51069
2022 * cfgloopmanip.c (remove_path): Removing path making irreducible
2023 region unconditional makes BB part of the region.
2025 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2027 PR tree-optimization/51683
2028 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2029 calls with side-effects.
2030 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2032 Copyright (C) 2012 Free Software Foundation, Inc.
2034 Copying and distribution of this file, with or without modification,
2035 are permitted in any medium without royalty provided the copyright
2036 notice and this notice are preserved.