1 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
4 * expr.c (get_inner_reference): If there is an offset, add a negative
5 bit position to it (if any).
7 2012-02-07 Jakub Jelinek <jakub@redhat.com>
9 PR rtl-optimization/52060
10 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
11 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
12 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
13 and/or i0src_copy2 when needed.
15 2012-02-07 Jakub Jelinek <jakub@redhat.com>
17 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
18 or LTOPLUGINSONAME if have_c.
20 * config/freebsd-spec.h: Add comment about what macros can be defined
22 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
23 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
26 2012-02-07 Richard Guenther <rguenther@suse.de>
28 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
29 newline in -alias dumps.
31 2012-02-07 Kai Tietz <ktietz@redhat.com>
32 Dave Korn <dave.korn.cygwin@gmail.com>
35 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
36 Take care that typinfo gets dllexport-attribute.
38 2012-02-07 Jakub Jelinek <jakub@redhat.com>
41 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
42 if modifier < EXPAND_SUM call force_operand on the result.
44 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
46 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
47 adding __forwarder_dst__ prefix if a forwarder_section attribute is
49 (epiphany_function_type): Replace types for specific interrupts with
50 EPIPHANY_FUNCTION_INTERRUPT.
51 (EPIPHANY_INTERRUPT_P): Update.
52 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
54 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
55 <disinterrupt>: Affects type identity.
56 (epiphany_handle_interrupt_attribute): Handle variable number of
58 (epiphany_compute_function_type): Update for new
59 epiphany_function_type definition.
60 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
61 handlers with a longcall forwarder.
62 (epiphany_start_function): Handle multiple interrupt arguments and/or
63 forwarder_section attribute.
65 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
67 2012-02-07 Alan Modra <amodra@gmail.com>
70 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
73 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
75 PR tree-optimization/50969
76 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
77 use vec_perm rather than vector_stmt.
78 (vect_model_load_cost): Likewise.
79 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
80 vec_perm to be the same as other vector statements.
81 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
82 cost of vec_perm for TARGET_VSX.
84 2012-02-06 Richard Guenther <rguenther@suse.de>
86 PR tree-optimization/52115
87 * tree-sra.c (access_has_replacements_p): New function.
88 (sra_modify_assign): Use it to decide whether a use is uninitialized.
90 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
93 * trans-mem.c (expand_call_tm): Add an assertion.
94 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
97 2012-02-06 Richard Guenther <rguenther@suse.de>
99 PR tree-optimization/50955
100 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
101 raise cost of expressions that replace an address with an
102 expression based on a different pointer.
104 2012-02-06 Jakub Jelinek <jakub@redhat.com>
107 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
108 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
110 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
113 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
114 -Weffc++ and specify guidelines come from second edition.
116 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
118 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
119 (sibcall_value_multiple_internal, call_split, call_internal_direct)
120 (call_direct_split, call_value_split, call_value_internal_direct)
121 (call_value_direct_split, call_value_multiple_split): Use jal and
122 jal_macro attributes.
124 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
126 * reload1.c (reload_regs_reach_end_p): Replace with...
127 (reload_reg_rtx_reaches_end_p): ...this function.
128 (new_spill_reg_store): Update commentary.
129 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
130 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
131 before setting new_spill_reg_store.
132 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
133 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
134 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
135 for non-spill reload registers.
137 2012-02-05 Ira Rosen <irar@il.ibm.com>
139 PR tree-optimization/52091
140 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
141 (vect_is_simple_use_1): Likewise.
142 * tree-vect-loop.c (vectorizable_reduction): Update calls
143 to vect_is_simple_use_1 and vect_is_simple_use.
144 (vectorizable_live_operation): Likewise.
145 * tree-vect-patterns.c (widened_name_p,
146 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
148 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
149 vectorizable_call, vectorizable_conversion,
150 vectorizable_assignment, vectorizable_shift,
151 vectorizable_operation, vectorizable_store, vectorizable_load):
153 (vect_is_simple_cond): Add an argument, pass it to
154 vect_is_simple_use_1.
155 (vectorizable_condition): Update calls to vect_is_simple_cond,
157 (vect_is_simple_use): Add an argument, the statement in which
158 OPERAND is used. Check that if OPERAND's def stmt is a double
159 reduction phi node, the use is a phi node too.
160 (vect_is_simple_use_1): Add an argument, pass it to
162 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
163 to vect_is_simple_use.
165 2012-02-04 Jakub Jelinek <jakub@redhat.com>
167 PR rtl-optimization/52095
168 * modulo-sched.c (dump_insn_locator): New function.
169 (loop_canon_p, sms_schedule): Use it.
171 PR rtl-optimization/52113
172 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
173 even for decomposable shift/zext insns.
175 2012-02-03 Jakub Jelinek <jakub@redhat.com>
176 Zdenek Dvorak <ook@ucw.cz>
178 PR rtl-optimization/52092
179 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
180 on get_iv_value result.
182 2012-02-02 Andrew Pinski <apinski@cavium.com>
186 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
188 2012-02-02 Jakub Jelinek <jakub@redhat.com>
191 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
193 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
195 PR rtl-optimization/49800
196 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
197 (sched_finish): Call regstat_free_n_sets_and_refs.
199 2012-02-02 Jia Liu <proljc@gmail.com>
201 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
204 2012-02-02 Jan Hubicka <jh@suse.cz>
205 Tom de Vries <tom@codesourcery.com>
208 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
209 * varpool.c (varpool_analyze_pending_decls): Likewise.
211 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
212 Jayant R Sonar <jayant.sonar@kpitcummins.com>
214 * config.gcc: Add cr16-* support.
216 * doc/extend.texi: Document cr16 extensions.
217 * doc/install.texi: Document cr16 install.
218 * doc/invoke.texi: Document cr16 options.
219 * doc/md.texi: Document cr16 constraints.
221 * common/config/cr16/cr16-common.c: New file.
222 * config/cr16/cr16.c: New file.
223 * config/cr16/cr16.h: New file.
224 * config/cr16/cr16.md: New file.
225 * config/cr16/cr16.opt: New file.
226 * config/cr16/cr16-protos.h: New file.
227 * config/cr16/predicates.md: New file.
228 * config/cr16/constraints.md: New file.
229 * config/cr16/t-cr16: New file.
231 2012-02-02 Jakub Jelinek <jakub@redhat.com>
234 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
235 that operands[2] is either immediate, or q_regs_operand.
237 PR tree-optimization/52073
238 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
239 a pattern stmt for pattern uses, ignore uses outside of the loop.
241 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
243 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
244 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
245 (OUT_AS1, OUT_AS2): Remove.
247 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
249 PR rtl-optimization/51374
250 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
251 to cross other volatile_refs_p insns.
253 2012-02-01 Richard Guenther <rguenther@suse.de>
255 * doc/invoke.texi (fno-inline): Clarify documentation.
256 (finline-small-functions): Likewise.
257 (finline-functions): Likewise.
258 * common.opt (finline): Adjust comment and documentation.
259 (finline-small-functions): Clarify documentation.
260 (finline-functions): Likewise.
261 (finline-functions-called-once): Likewise.
263 2012-02-01 Tristan Gingold <gingold@adacore.com>
265 * c-typeck.c (composite_type): Keep mode for pointers.
267 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
269 * function.h (regno_reg_rtx): Adjust comment.
270 * reginfo.c (init_reg_modes_target): Only use the previous mode
271 if it fits within one register. Remove MIPS comment.
273 2012-01-31 Jakub Jelinek <jakub@redhat.com>
276 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
278 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
280 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
283 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
285 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
288 2012-01-31 Jakub Jelinek <jakub@redhat.com>
293 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
295 2012-01-31 Richard Guenther <rguenther@suse.de>
297 PR tree-optimization/51528
298 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
301 2012-01-31 Jakub Jelinek <jakub@redhat.com>
306 * ree.c (add_removable_extension): Change def_map argument
307 to unsigned *, store in def_map 1 + offset into *insn_list vector
308 instead of pointers into the vector.
309 (find_removable_extensions): Adjust caller.
311 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
313 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
314 Transform all "* quoted-c-code" to { c-code }.
315 Remove redundant test for "optimize" in combine patterns.
316 Move (include "avr-dimode.md") to end of file.
318 2012-01-30 Bin Cheng <bin.cheng@arm.com>
321 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
322 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
324 2012-01-30 Richard Guenther <rguenther@suse.de>
326 PR tree-optimization/52028
327 * tree-loop-distribution.c (ldist_gen): Properly update
330 2012-01-30 Jakub Jelinek <jakub@redhat.com>
333 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
334 set_cur_line_info_table if not emitting debug info.
336 PR tree-optimization/52046
337 * tree-vect-patterns.c (check_bool_pattern): Give up if
338 a comparison could throw.
341 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
343 2012-01-30 Richard Guenther <rguenther@suse.de>
345 PR tree-optimization/52045
346 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
347 SSA form if cfgcleanup did anything.
349 2012-01-30 Richard Guenther <rguenther@suse.de>
351 PR tree-optimization/52045
352 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
353 before computing final todo.
355 2012-01-30 Richard Guenther <rguenther@suse.de>
357 PR tree-optimization/51528
358 * tree-sra.c (sra_modify_assign): Re-factor in preparation
361 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
363 * df-problems.c (df_kill_notes): Check that the use refers
364 to the note under examination.
366 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
369 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
370 parameter and use short-lived pseudos.
371 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
372 (sparc_expand_vector_init): Const-ify local variables and adjust
373 calls to above functions.
375 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
377 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
379 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
381 * doc/invoke.texi: Make usage of "compile time" and
382 "run time"/"runtime" consistent throughout the file.
384 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
386 * config/alpha/alpha.c (alpha_option_overrride): Default to
387 full IEEE compliance mode for Go language.
389 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
391 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
392 (LINK_SSP_SPEC): Define.
394 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
397 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
400 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
402 * doc/invoke.texi: Correct hyphenation of "floating point",
403 "double precision", and related terminology throughout the file.
405 2012-01-28 Jakub Jelinek <jakub@redhat.com>
408 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
409 arm_general_register_operand predicate for operand 2 instead of
412 2012-01-27 Ian Lance Taylor <iant@google.com>
415 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
416 * builtins.c (expand_builtin_init_trampoline): Add onstack
417 parameter. Change caller.
418 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
419 * tree.c (build_common_builtin_nodes): Declare
420 __builtin_init_heap_trampoline.
422 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
424 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
425 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
426 * config/avr/avr.c: Ditto.
427 (avr_regnames): Remove because unused.
428 * config/avr/avr.md (*cpse.ne): New peephole.
429 (*cpse.eq): New peephole from former cpse peepholes.
431 2012-01-27 Michael Eager <eager@eagercon.com>
433 * config/microblaze.c (microblaze_emit_compare): Correct
434 test after pcmp instruction.
436 2012-01-27 Richard Guenther <rguenther@suse.de>
438 PR tree-optimization/52020
439 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
441 2012-01-27 Richard Guenther <rguenther@suse.de>
443 * ipa-pure-const.c (check_stmt): Clobbers do not make a
444 function non-const/pure.
446 2012-01-27 Richard Guenther <rguenther@suse.de>
448 PR tree-optimization/50444
449 * tree-sra.c (build_ref_for_offset): Properly adjust the
450 MEM_REF type for unaligned accesses.
452 2012-01-27 Richard Guenther <rguenther@suse.de>
454 PR tree-optimization/50444
455 * expr.c (mem_ref_refers_to_non_mem_p): New function.
456 (expand_assignment): Use it. Properly handle misaligned
457 bases when expanding stores to component references.
458 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
461 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
464 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
465 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
466 * tree-data-ref.c (find_data_references_in_loop): Make static.
467 (compute_all_dependences): Change return type to bool. Bail out
468 for too many datarefs in a loop. Move the hunk resetting the data
469 dependences vector from ...
470 (compute_data_dependences_for_loop): ... here. Account for
471 compute_all_dependences returning false.
472 (compute_data_dependences_for_bb): Likewise.
473 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
474 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
476 2012-01-27 Richard Guenther <rguenther@suse.de>
479 * expr.c (store_field): Use the alias-set of the scratch memory
482 2012-01-27 Tom de Vries <tom@codesourcery.com>
484 PR tree-optimization/51990
485 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
487 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
489 2012-01-27 Jakub Jelinek <jakub@redhat.com>
492 * var-tracking.c (reverse_op): Don't add any reverse operation
493 if V already has any constant locations.
495 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
497 * doc/invoke.texi: Correct usage of "command line" (noun)
498 vs "command-line" (adjective) throughout.
500 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
502 * doc/invoke.texi (Language Independent Options): Move
503 -Wcoverage-mismatch blurb from here....
504 (Warning Options): ...to here.
506 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
508 * config/rs6000/rs6000.c (rs6000_option_override_internal):
509 Set rs6000_always_hint to false for 476.
511 2012-01-27 Matthias Klose <doko@ubuntu.com>
513 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
515 * incpath.c (add_standard_paths): Likewise.
517 2012-01-27 Richard Henderson <rth@redhat.com>
519 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
520 * config/m68k/sync.md (atomic_test_and_set): Rename from
521 sync_test_and_setqi and adjust the operands.
522 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
523 and unconditionally enable.
525 2012-01-27 Richard Henderson <rth@redhat.com>
527 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
528 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
529 (ldstub): Rename from ldstubqi.
530 (ldstub<I24MODE>): Remove.
532 2012-01-27 Richard Henderson <rth@redhat.com>
534 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
535 * c-cppbuiltin.c (cpp_atomic_builtins): Define
536 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
537 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
538 * doc/tm.texi: Rebuild.
540 2012-01-27 Richard Henderson <rth@redhat.com>
542 * optabs.c (gen_atomic_test_and_set): Remove default.
543 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
545 2012-01-26 Jakub Jelinek <jakub@redhat.com>
547 PR rtl-optimization/51978
548 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
549 (combine_reaching_defs): Likewise.
550 (struct re_info): Remove.
551 (add_removable_extension): Remove x and data arguments,
552 add insn, insn_list and def_map. Use the arguments directly
553 instead of using struct re_info.
554 (find_removable_extensions): Don't call add_removable_extension
555 through note_stores, instead just call it with single_set
557 (find_and_remove_re): Pass curr_cand->expr instead of
558 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
560 2012-01-26 Michael Matz <matz@suse.de>
562 PR tree-optimization/46590
563 * cfgexpand.c: Revert last change (r183305).
564 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
566 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
567 checking for emptiness.
569 2012-01-26 Jakub Jelinek <jakub@redhat.com>
572 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
573 non-addressable non-BLKmode base correctly.
575 2012-01-26 Michael Matz <matz@suse.de>
577 PR tree-optimization/48794
578 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
579 regions referenced from RESX/EH_DISPATCH.
581 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
583 * config/s390/s390.h: Make BRANCH_COST an option.
584 * config/s390/s390.opt: New option -mbranch-cost.
586 2012-01-26 Richard Henderson <rth@redhat.com>
588 Revert 2012-01-24 change:
589 * trans-mem.c (requires_barrier): Do not instrument thread local
590 variables and emit save/restore for them.
592 2012-01-25 Jakub Jelinek <jakub@redhat.com>
595 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
598 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
600 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
603 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
606 Rename __pgm to __flash.
607 Rename __pgm1 to __flash1.
608 Rename __pgm2 to __flash2.
609 Rename __pgm3 to __flash3.
610 Rename __pgm4 to __flash4.
611 Rename __pgm5 to __flash5.
612 Rename __pgmx to __memx.
613 * doc/extend.texi (AVR Named Address Spaces)
614 Rename address space names as indicated above.
615 * config/avr/avr.c (avr_addrspace): Ditto.
617 * config/avr/avr-protos.h
618 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
619 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
620 * config/avr/predicates.md: Ditto.
621 * config/avr/avr.c Ditto, and
622 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
623 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
625 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
626 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
627 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
628 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
629 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
630 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
631 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
632 * config/avr/avr.c: Ditto.
633 * config/avr/avr.md: Ditto.
635 2012-01-25 Jason Merrill <jason@redhat.com>
638 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
640 2012-01-25 Jakub Jelinek <jakub@redhat.com>
642 PR tree-optimization/51987
643 * tree-data-ref.c (get_references_in_stmt): Handle references in
644 non-volatile GIMPLE_ASM.
646 2012-01-25 Richard Guenther <rguenther@suse.de>
648 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
649 bases are dereferenced.
651 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
653 PR rtl-optimization/48374
654 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
656 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
658 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
659 compute_data_dependences_for_loop returns false.
660 * tree-parloops.c (loop_parallel_p): Likewise.
662 2012-01-25 Richard Guenther <rguenther@suse.de>
664 * tree.h (get_pointer_alignment_1): Declare.
665 * builtins.c (get_pointer_alignment_1): New function.
666 (get_pointer_alignment): Use it.
668 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
670 PR rtl-optimization/48308
671 * combine.c (enum undo_kind): Add UNDO_LINKS.
672 (struct undo): Add member l to other_contents and where.
673 (do_SUBST_LINK): New.
675 (try_combine): Handle LOG_LINKS for the dummy i1 case.
676 (undo_all): Handle UNDO_LINKS.
678 2012-01-25 Richard Henderson <rth@redhat.com>
680 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
683 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
685 * optabs.c (gen_atomic_test_and_set): Use each argument.
687 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
689 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
690 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
691 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
692 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
693 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
694 TARGET_PAIRED_SINGLE_FLOAT.
696 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
698 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
699 (in_struct, return_val): Remove MEM documentation.
700 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
701 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
702 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
704 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
705 * cfgexpand.c (add_alias_set_conflicts): Likewise.
706 * expr.c (store_field): Likewise.
707 * function.c (assign_stack_temp_for_type): Likewise.
708 * ifcvt.c (noce_try_cmove_arith): Likewise.
709 * reload1.c (reload): Likewise.
710 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
711 (alpha_set_memflags): Likewise.
712 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
714 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
716 * rtl.h (true_dependence, canon_true_dependence): Remove varies
718 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
719 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
720 (true_dependence_1, true_dependence, canon_true_dependence): Remove
722 * cselib.c (cselib_rtx_varies_p): Delete.
723 (cselib_invalidate_mem): Update call to canon_true_dependence.
724 * dse.c (record_store, check_mem_read_rtx): Likewise.
725 (scan_reads_nospill): Likewise.
726 * cse.c (check_dependence): Likewise.
727 (cse_rtx_varies_p): Delete.
728 * expr.c (safe_from_p): Update call to true_dependence.
729 * ira.c (validate_equiv_mem_from_store): Likewise.
730 (memref_referenced_p): Likewise.
731 * postreload-gcse.c (find_mem_conflicts): Likewise.
732 * sched-deps.c (sched_analyze_2): Likewise.
733 * store-motion.c (load_kills_store): Likewise.
734 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
735 * gcse.c (mems_conflict_for_gcse_p): Likewise.
736 (compute_transp): Update call to canon_true_dependence.
738 2012-01-25 Richard Henderson <rth@redhat.com>
740 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
741 (maybe_emit_atomic_test_and_set): New.
742 (expand_sync_lock_test_and_set): Use it.
743 (expand_atomic_test_and_set): Likewise.
744 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
745 the implementation; clarify implementation defined details.
746 * doc/md.texi (atomic_test_and_set): Document.
748 2012-01-25 Richard Henderson <rth@redhat.com>
750 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
752 2012-01-25 Richard Henderson <rth@redhat.com>
755 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
756 to effect no-op split.
758 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
761 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
762 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
763 (BT_FN_VOID_PTR_INT_SIZE): New.
764 (BT_FN_UINT_UINT_VAR): Remove.
765 (BT_FN_UINT32_UINT32_VAR): New.
766 (BT_FN_DOUBLE_VPTR): Remove.
767 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
769 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
770 (_ITM_changeTransactionMode): Same.
771 (_ITM_memmoveRtWt): Change return type to void.
772 (_ITM_memcpyRtWt): Same.
773 (_ITM_memsetW): Same.
774 (_ITM_RaRD): Change types to double.
779 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
781 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
782 Patrick Marlier <patrick.marlier@gmail.com>
784 * trans-mem.c (requires_barrier): Do not instrument thread local
785 variables and emit save/restore for them.
787 2012-01-24 Jason Merrill <jason@redhat.com>
790 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
791 output static aliases.
793 2012-01-24 Jakub Jelinek <jakub@redhat.com>
796 * common.opt (-pie, -shared, pie, shared): Change from Common to
798 * gcc.c (display_help): Display help for -pie and -shared.
800 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
803 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
804 Remove note on size/offset limitation.
805 (AVR Variable Attributes): Add example how to read data located
806 with progmem. Refer to named address spaces.
807 * doc/invoke.texi (AVR Options): Fix typo.
809 2012-01-24 Richard Guenther <rguenther@suse.de>
811 Forward-port to trunk
812 2010-09-21 Jakub Jelinek <jakub@redhat.com>
815 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
816 op0 isn't sufficiently aligned and there is movmisalignM
817 insn for mode, use it to load op0 into a temporary register.
819 2012-01-24 Jakub Jelinek <jakub@redhat.com>
822 * target.def (const_not_ok_for_debug_p): New hook.
823 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
825 * doc/tm.texi: Regenerated.
826 * dwarf2out.c (const_ok_for_output_1): If
827 targetm.const_not_ok_for_debug_p returns true, fail.
828 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
830 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
832 2012-01-23 Kai Tietz <ktietz@redhat.com>
835 * config/i386/predicates.md (symbolic_operand): Allow
836 UNSPEC_PCREL as PIC expression for lea.
837 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
838 * config/i386/i386.c (ix86_delegitimize_address): Handle
839 UNSPEC_PCREL for none-MEM, too.
841 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
843 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
844 (ipa_tm_create_version_alias): Same.
846 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
849 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
850 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
852 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
853 Patrick Marlier <patrick.marlier@gmail.com>
854 Iain Sandoe <developer@sandoe-acoustics.co.uk>
857 * lto-wrapper.c (run_gcc): Pass the LTO section name to
858 simple_object_start_read.
860 2012-01-23 Richard Guenther <rguenther@suse.de>
863 PR tree-optimization/51895
864 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
865 parameter decomposition into BLKmode components.
867 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
869 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
870 fake variables for restrict-qualified pointers whose pointed-to type
871 contains a placeholder.
873 2012-01-23 Richard Guenther <rguenther@suse.de>
875 PR tree-optimization/51949
876 * ipa-split.c (execute_split_functions): Do not split malloc functions.
878 2012-01-23 Jakub Jelinek <jakub@redhat.com>
880 PR rtl-optimization/51933
881 * ree.c (transform_ifelse): Return true right away if dstreg is
882 already wider or equal to cand->mode.
883 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
884 (make_defs_and_copies_lists): Remove defs_list and copies_list
885 arguments, add state argument, just truncate state->work_list
886 instead of always allocating and freeing the vector. Assert that
887 get_defs succeeds instead of returning 2. Changed return type to bool.
888 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
889 have ext_src_mode, see if it has been modified already with the
890 right kind of extension and has been extended before from the
891 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
892 just return true. Remember the original mode in state->modified array.
893 (combine_reaching_defs): Add state argument. Don't allocate and
894 free here def_list, copied_list and vec vectors, instead just
895 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
896 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
897 Add state variable, clear vectors in it, initialize state.modified
898 if needed. Free all the vectors at the end and state.modified too.
899 Don't skip a candidate if the extension expression has been modified.
901 2012-01-22 Douglas B Rupp <rupp@gnat.com>
904 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
905 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
906 (extra_options) interix.opt -> i386/interix.opt"
907 (extra_objs):Add winnt-stubs.o
908 * configure.ac: Add interix to target_os .comm on PE check.
909 * configure: Regenerate.
910 * config/interix3.h: Delete and move bits to..
911 * config/interix.h: Delete and move bits to..
912 * config/i386/i386-interix3.h: Delete and move bits to..
913 * config/i386/i386-interix.h: ..here.
914 (TARGET_CPU_DEFAULT): Remove redefinition.
915 (TARGET_ASM_CONSTRUCTOR): Undefine.
916 (SUBTARGET_SWITCHES): Define for ms-bitfields.
917 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
918 (PTRDIFF_TYPE): Define.
919 (LONG_DOUBLE_TYPE_SIZE): Define.
920 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
921 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
922 (TARGET_SECTION_TYPE_FLAGS): Define.
923 (ASM_DECLARE_FUNCTION_NAME): Define.
924 (ASM_OUTPUT_EXTERNAL): Define.
925 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
926 (ASM_OUTPUT_ALIGNED_BSS): Define.
927 (PCC_BITFIELD_TYPE_MATTERS): Define.
928 (USE_CONST_SECTION): Define.
929 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
930 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
931 (SUPPORTS_ONE_ONLY): Remove.
932 (I386_PE_STRIP_ENCODING): Define.
933 * config/interix.opt: Delete and move bits to..
934 * config/i386/interix.opt: ..here. New.
935 (mpe-aligned-commons): Add.
936 * config/i386/t-interix: Add copyright header.
937 (winnt-stubs.o): Add rule.
939 2012-01-22 Jason Merrill <jason@redhat.com>
942 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
943 for extra name aliases.
945 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
947 PR rtl-optimization/51924
948 * ree.c (combine_set_extension): Improve debugging message.
949 (combine_reaching_defs): Likewise.
950 (get_defs): Rename confusingly named variable.
951 (find_and_remove_re): Skip a candidate if the extension expression has
954 2012-01-21 Robert Millan <rmh@gnu.org>
955 Gerald Pfeifer <gerald@pfeifer.com>
957 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
958 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
960 2012-01-20 Jakub Jelinek <jakub@redhat.com>
962 PR tree-optimization/51914
963 * tree-vect-stmts.c (vectorizable_conversion): For
964 cvt_type && modifier == WIDEN, put temporary with cvt_type
965 at the beginning of vec_dsts and set vec_dest to temporary
968 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
970 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
972 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
974 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
975 * config/rs6000/rs6000.c: Likewise.
977 2012-01-20 Jakub Jelinek <jakub@redhat.com>
980 * config/arm/arm.c (arm_count_output_move_double_insns): Call
981 output_move_double on a copy of operands array.
983 2012-01-20 Cary Coutant <ccoutant@google.com>
984 Dodji Seketeli <dodji@redhat.com>
987 * dwarf2out.c (copy_declaration_context): Return ref to parent
988 of declaration DIE, if necessary.
989 (remove_child_or_replace_with_skeleton): Add new parameter; update
990 caller. Place skeleton DIE under parent DIE of original declaration.
991 Move call to copy_declaration_context to here ...
992 (break_out_comdat_types): ... from here.
994 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
996 PR rtl-optimization/51856
997 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1000 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1003 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1004 hints for neon loads and stores.
1006 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1010 * doc/extend.texi (Named Address Spaces): Split into subsections.
1011 (AVR Named Address Spaces): New subsection.
1012 (M32C Named Address Spaces): New subsection.
1013 (RL78 Named Address Spaces): New subsection.
1014 (SPU Named Address Spaces): New subsection.
1015 (Variable Attributes): New anchor "AVR Variable Attributes".
1016 (AVR Variable Attributes): Rewrite and avoid wording
1017 "address space" in this context.
1018 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1019 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1020 (AVR Built-in Macros): New subsubsection therein.
1021 * doc/md.texi (AVR constraints): Remove "C04", "R".
1023 2012-01-20 Richard Guenther <rguenther@suse.de>
1025 PR tree-optimization/51903
1026 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1027 when removing stmts.
1029 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1032 * config/arm/arm.c (arm_load_pic_register): Use
1033 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1034 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1035 (arm_pic_static_addr): Likewise.
1036 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1037 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1038 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1039 (pic_load_addr_unified): New.
1041 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1044 * function.c (instantiate_virtual_regs_in_insn): Use
1045 delete_insn_and_edges when removing a wrong asm insn.
1047 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1049 PR rtl-optimization/40761
1050 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1051 Add new member loop_num.
1052 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1053 (ira_build): Remove the parameter.
1055 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1056 (ira.c): Do not build CFG loops for one region allocation. Remove
1057 argument from ira_build call.
1059 * ira-build.c (init_loop_tree_node): New function.
1060 (create_loop_tree_nodes): Use it. Separate the case when CFG
1061 loops are not built.
1062 (more_one_region_p): Check current_loops.
1063 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1065 (add_loop_to_tree): Process loop equal to NULL too.
1066 (form_loop_tree): Separate the case when CFG loops are not built.
1067 Use explicitly number for the root.
1068 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1070 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1071 instead of loop->num.
1072 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1073 (mark_all_loops_for_removal): Ditto.
1074 (remove_unnecessary_regions): Separate the case when CFG loops
1076 (ira_build): Remove the parameter. Use explicit number of regions
1077 when CFG loops are not built.
1079 * ira-color.c (print_loop_title): Separate the case for the root node.
1080 Use loop_num instead of loop->num.
1081 (move_spill_restore): Use loop_num instead of loop->num.
1083 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1084 (change_loop): Ditto.
1085 (change_loop): Use loop_num instead of loop->num.
1087 * ira-lives.c (process_bb_node_lives): Ditto.
1089 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1091 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1093 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1096 * tree-mudflap.c (mf_artificial): New function.
1097 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1098 mx_register_decls, mudflap_enqueue_decl): Use it.
1101 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1102 numbers in the insn pattern.
1104 2012-01-19 Michael Matz <matz@suse.de>
1106 PR tree-optimization/46590
1107 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1108 use it in remembering which conflicts we already created.
1109 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1112 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1115 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1116 (merge_and_complain): Same.
1118 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1121 * config/initfini-array.h: Guard content of the header
1122 with #ifdef HAVE_INITFINI_ARRAY.
1123 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1124 Add initfini-array.h to tm_file here.
1125 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1126 * config.gcc: Don't add initfini-array.h to tm_file here.
1127 * configure: Regenerated.
1129 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1131 PR rtl-optimization/51505
1132 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1133 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1134 (df_note_bb_compute): Update the call to df_kill_notes.
1136 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1138 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1140 2012-01-18 Richard Guenther <rguenther@suse.de>
1142 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1143 of conversions to void *.
1145 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1146 Richard Sandiford <rdsandiford@googlemail.com>
1150 * optabs.h (simplify_expand_binop): Declare.
1151 * optabs.c (simplify_expand_binop): Make global.
1152 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1153 endian targets if the source cannot be exactly covered by word
1156 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1159 * hard-reg-set.h (struct hard_reg_set_container): New type.
1160 * target.h (struct hard_reg_set_container): Forward declare.
1161 * target.def (set_up_by_prologue): New target hook.
1162 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1163 * doc/tm.texi: Regenerated.
1164 * function.c (thread_prologue_and_epilogue_insns): Change
1165 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1166 Call targetm.set_up_by_prologue on it.
1167 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1168 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1170 2012-01-17 Nick Clifton <nickc@redhat.com>
1172 * config/rx/rx.c (rx_can_use_simple_return): New function.
1173 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1174 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1176 2012-01-17 Richard Guenther <rguenther@suse.de>
1179 * expr.c (expand_assignment): Take address-space information
1180 from the address operand of MEM_REF and TARGET_MEM_REF.
1181 (expand_expr_real_1): Likewise.
1183 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1185 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1186 reload dump is requested.
1188 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1191 * trans-mem.c (requires_barrier): Call may_be_aliased.
1193 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1195 PR tree-optimization/51877
1196 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1197 call arguments and fndecls compare equal, instead return false if they
1198 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1199 both SSA_NAMEs that are valueized the same, or they satisfy
1202 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1204 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1206 * configure: Regenerate.
1208 2012-01-16 Jan Hubicka <jh@suse.cz>
1212 * convert.c (convert_to_integer): Use fold_convert for
1213 converting an INTEGER_CST to integer type.
1215 2012-01-16 Jason Merrill <jason@redhat.com>
1218 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1220 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1223 * config/s390/s390.c (s390_chunkify_start): Don't skip
1224 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1225 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1226 If insn is followed by NOTE_INSN_VAR_LOCATION or
1227 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1228 Don't use location of note insns.
1230 PR tree-optimization/51865
1231 * tree-inline.c (tree_function_versioning): Call remap_decl
1232 on DECL_RESULT whenever it has VOID_TYPE_P type.
1234 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1236 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1237 for calls to locally-binding MIPS16 functions if only the return
1238 type uses float regs.
1240 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1241 Richard Sandiford <rdsandiford@googlemail.com>
1243 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1244 (SYMBOL_32_HIGH): Likewise.
1245 (mips_output_tls_reloc_directive): Declare.
1246 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1247 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1248 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1249 (mips_lo_relocs, mips_hi_relocs): Make extern.
1250 (mips16_stub_function): Move up file.
1251 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1252 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1253 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1254 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1255 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1256 (mips_get_tp): Add MIPS16 support.
1257 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1258 Generalize DTPREL and TPREL handling.
1259 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1260 Add MIPS16 TLS support.
1261 (mips_output_tls_reloc_directive): New function.
1262 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1263 * config/mips/predicates.md (symbolic_operand_with_high)
1264 (tls_reloc_operand): New predicates.
1265 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1266 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1267 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1268 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1269 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1270 (*tls_get_tp_mips16_call_<mode>): Likewise.
1272 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1274 PR rtl-optimization/51821
1275 * recog.c (peep2_find_free_register): Determine clobbered registers
1278 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1281 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1282 * config/avr/avr.c: Likewise.
1283 * config/avr/avr.h: Likewise.
1285 2012-01-13 Ian Lance Taylor <iant@google.com>
1288 * tree.h (TYPE_QUALS): Add cast to int.
1289 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1291 2012-01-13 Ian Lance Taylor <iant@google.com>
1293 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1294 comparing param_index to VEC_length result.
1296 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1298 * c-decl.c: Do not include tree-mudflap.h
1299 * tree-optimize.c: Likewise.
1300 * Makefile.in: Update dependencies.
1302 2012-01-13 Richard Guenther <rguenther@suse.de>
1305 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1306 variable-sized result always use RSO.
1308 2012-01-12 DJ Delorie <dj@redhat.com>
1310 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1311 pointer type, not just the default pointer type.
1313 2012-01-09 Richard Henderson <rth@redhat.com>
1314 Denis Chertykov <chertykov@gmail.com>
1317 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1318 * config/avr/avr.c (avr_can_eliminate): Simplify.
1319 (avr_initial_elimination_offset): Likewise.
1320 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1321 (expand_epilogue): Likewise.
1322 (avr_legitimize_address): Gut.
1323 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1324 (avr_hard_regno_nregs): New.
1325 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1326 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1327 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1328 add soft frame pointer.
1329 (CALL_USED_REGISTERS): Likewise.
1330 (REG_CLASS_CONTENTS): Likewise.
1331 (REGISTER_NAMES): Likewise.
1332 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1333 (HARD_FRAME_POINTER_REGNUM): New.
1334 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1335 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1336 remove the HARD_FRAME_POINTER self-elimination.
1338 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1341 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1342 DECL_EXTERNAL when checking for initializers of progmem variables.
1344 2012-01-12 Ira Rosen <irar@il.ibm.com>
1346 PR tree-optimization/51799
1347 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1348 that the last operation is a type demotion.
1350 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1352 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1353 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1355 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1358 * combine.c (distribute_notes): If i3 is a noreturn call,
1359 allow old_size to be equal to args_size and make sure the
1360 noreturn call gets REG_ARGS_SIZE note.
1361 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1362 on noreturn calls even when the delta is 0.
1364 2012-01-11 Nathan Sidwell <nathan@acm.org>
1366 * gcov.c (STRING_SIZE): Remove.
1367 (generate_results): Erase annotations for source files with no
1368 coverage information.
1370 (output_lines): Use it.
1372 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1374 * gimple.h (gimplify_body): Remove first argument.
1375 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1376 pointer set here, instead just pass DATA to walk_tree.
1377 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1378 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1379 (unvisit_body): Likewise, but with unmark_visited.
1380 (gimplify_body): Remove BODY_P argument and adjust.
1381 (gimplify_function_tree): Adjust call to gimplify_body.
1382 * omp-low.c (finalize_task_copyfn): Likewise.
1384 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1386 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1387 (build_function_type_skip_args): Delete.
1388 * tree.c (build_function_type_skip_args): Make static and add
1389 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1390 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1391 pass it to build_function_type_skip_args.
1392 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1393 (tree_function_versioning): Likewise.
1394 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1395 build_function_decl_skip_args.
1396 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1397 and pass it to build_function_decl_skip_args/tree_function_versioning.
1398 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1399 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1400 * trans-mem.c (ipa_tm_create_version): Likewise.
1401 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1402 * tree-inline.c (declare_return_variable): Remove always-true test.
1403 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1404 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1405 * ipa-split.c (split_function): Skip the return value for the split
1406 part if it doesn't return.
1408 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1410 PR tree-optimization/49642
1411 * ipa-split.c (forbidden_dominators): New variable.
1412 (check_forbidden_calls): New function.
1413 (dominated_by_forbidden): Likewise.
1414 (consider_split): Check for forbidden dominators.
1415 (execute_split_functions): Initialize and free forbidden
1416 dominators info; call check_forbidden_calls.
1418 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1420 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1422 2012-01-11 Nick Clifton <nickc@redhat.com>
1424 * config/rx/rx.md (return): Define pattern.
1426 2012-01-11 Richard Guenther <rguenther@suse.de>
1428 * doc/extend.texi (malloc attribute): Adjust according to
1431 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1432 Patrick Marlier <patrick.marlier@gmail.com>
1435 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1436 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1437 (ipa_tm_note_irrevocable): Same.
1438 (ipa_tm_scan_irr_block): Same.
1439 (ipa_tm_decrement_clone_counts): Same.
1440 (ipa_tm_scan_irr_function): Same.
1441 (ipa_tm_create_version_alias): Same.
1442 (ipa_tm_create_version): Same.
1443 (ipa_tm_transform_calls_redirect): Same.
1444 (ipa_tm_transform_calls): Same.
1445 (ipa_tm_transform_transaction): Same.
1446 (ipa_tm_execute): Same.
1448 2012-01-10 Richard Guenther <rguenther@suse.de>
1451 * opts.c (common_handle_option): Handle -Werror.
1453 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1455 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1458 2012-01-10 Jason Merrill <jason@redhat.com>
1460 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1463 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1465 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1466 supports R_386_TLS_GD_PLT reloc.
1467 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1468 supports R_386_TLS_LDM_PLT reloc.
1469 * configure: Regenerate.
1470 * config.in: Regenerate.
1472 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1475 Extend __pgmx semantics to linearize memory.
1476 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1477 determine if code comes inline or from libgcc.
1478 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1479 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1480 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1481 (movmemx_qi, movmemx_hi): New insns.
1482 (xload_<mode>_libgcc): Rewrite to new insn condition.
1483 (xload_<mode>): Remove insns.
1484 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1485 cases that don't satisfy avr_xload_libgcc_p().
1486 (avr_addr_space_convert): Allow converting in any direction.
1487 (avr_addr_space_subset_p): Return always true.
1488 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1489 (avr_emit_movmemhi): Ditto.
1490 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1491 (avr_out_movmem): Ditto.
1492 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1493 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1494 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1495 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1496 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1498 2012-01-10 Richard Guenther <rguenther@suse.de>
1500 PR tree-optimization/50913
1501 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1502 Require data-refs to be representable by Graphite with respect
1505 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1507 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1508 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1510 2012-01-10 Tom de Vries <tom@codesourcery.com>
1512 PR rtl-optimization/51271
1513 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1514 handling annulled branch.
1516 2012-01-10 Richard Henderson <rth@redhat.com>
1518 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1519 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1520 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1521 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1522 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1523 arm_expand_vec_perm_const): New.
1524 * config/arm/arm-protos.h: Update.
1525 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1526 (*neon_vswp<VDQX>): New.
1527 (neon_vcombine<VDX>): Use neon_split_vcombine.
1528 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1529 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1530 (vec_perm<VE>): New.
1532 2012-01-10 Richard Henderson <rth@redhat.com>
1534 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1535 use it if reload_completed.
1536 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1537 arm_output_asm_insn, arm_process_output_memory_barrier,
1538 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1539 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1540 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1541 arm_process_output_sync_insn, arm_output_sync_insn,
1542 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1543 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1544 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1545 (emit_unlikely_jump): New.
1546 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1547 (arm_split_atomic_op): New.
1548 * config/arm/arm-protos.h: Update.
1549 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1550 (struct arm_sync_generator): Remove.
1551 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1552 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1553 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1554 (VUNSPEC_LL, VUNSPEC_SC): New.
1555 (sync_result, sync_memory, sync_required_value, sync_new_value,
1556 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1557 (attr length): Don't use arm_sync_loop_insns.
1558 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1559 (movsfcc, movdfcc): Likewise.
1560 * config/arm/constraints.md (Ua): New.
1561 * config/arm/prediates.md (mem_noofs_operand): New.
1562 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1563 (sync_clobber, sync_t2_reqd): Remove.
1564 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1565 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1566 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1567 (arm_sync_compare_and_swap<SIDI>): Remove.
1568 (arm_sync_compare_and_swap<NARROW>): Remove.
1569 (arm_sync_lock_test_and_set<SIDI>): Remove.
1570 (arm_sync_lock_test_and_set<NARROW>): Remove.
1571 (arm_sync_new_<syncop><SIDI>): Remove.
1572 (arm_sync_new_<syncop><NARROW>): Remove.
1573 (arm_sync_new_nand<SIDI>): Remove.
1574 (arm_sync_new_nand<NARROW>): Remove.
1575 (arm_sync_old_<syncop><SIDI>): Remove.
1576 (arm_sync_old_<syncop><NARROW>): Remove.
1577 (arm_sync_old_nand<SIDI>): Remove.
1578 (arm_sync_old_nand<NARROW>): Remove.
1579 (*memory_barrier): Merge arm_output_memory_barrier.
1580 (atomic_compare_and_swap<QHSD>): New.
1581 (atomic_compare_and_swap<NARROW>_1): New.
1582 (atomic_compare_and_swap<SIDI>_1): New.
1583 (atomic_exchange<QHSD>): New.
1584 (cas_cmp_operand, cas_cmp_str): New.
1585 (atomic_op_operand, atomic_op_str): New.
1586 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1587 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1588 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1589 (arm_load_exclusive<NARROW>): New.
1590 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1591 (arm_store_exclusive<QHSD>): New.
1593 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1595 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1596 reload patterns if -mvsx-scalar-memory.
1598 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1599 generated, even -mno-vsx-scalar-double was used.
1600 (vsx_xscvdpsp_scalar): Likewise.
1601 (vsx_xscvspdp_scalar2): Likewise.
1603 2012-01-09 Tom de Vries <tom@codesourcery.com>
1604 Andrew Pinski <apinski@cavium.com>
1607 * reorg.c (fill_slots_from_thread): Don't speculate
1608 frame-related insns.
1610 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1612 * sched-int.h (bb_note): Move to...
1613 * basic-block.h: ...here.
1614 * haifa-sched.c (bb_note): Move to...
1615 * cfgrtl.c: ...here.
1616 * function.c (next_block_for_reg): New function.
1617 (move_insn_for_shrink_wrap): Likewise.
1618 (prepare_shrink_wrap): Rewrite to use the above.
1620 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1622 * gimple.c (is_gimple_non_addressable): Remove.
1623 * gimple.h: Remove is_gimple_non_addressable.
1624 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1625 is_gimple_non_addressable.
1626 * trans-mem.c (expand_assign_tm): Same.
1628 2012-01-09 Richard Guenther <rguenther@suse.de>
1630 PR tree-optimization/51775
1631 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1632 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1634 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1636 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1638 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1640 2012-01-09 Richard Guenther <rguenther@suse.de>
1642 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1644 2012-01-08 Jan Hubicka <jh@suse.cz>
1646 PR tree-optimize/51680
1647 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1648 on when known_vals needs to be computed; cleanup.
1650 2012-01-08 Jan Hubicka <jh@suse.cz>
1652 PR tree-optimize/51694
1653 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1655 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1657 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1658 for -std=c++98 and -std=c++11 too.
1660 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1662 * cfgloop.c (cancel_loop): Add free() of bbs array.
1664 2012-01-07 Jan Hubicka <jh@suse.cz>
1666 PR tree-optimization/51600
1667 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1668 that benefits small functions.
1670 2012-01-07 Jan Hubicka <jh@suse.cz>
1672 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1674 2012-01-07 Jan Hubicka <jh@suse.cz>
1676 PR tree-optimization/51680
1677 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1678 whose inlining reduce unit size.
1680 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1683 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1684 Add canonical node to containing_mem chain after the non-canonical
1685 one, even if there weren't any locs to propagate.
1686 (remove_useless_values): Keep only canonical values.
1687 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1688 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1689 canonicalize mem_chain elements that are not discarded.
1691 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1694 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1695 before emitting functions.
1697 PR gcov-profile/50127
1698 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1699 clear_aux_for_blocks.
1701 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1704 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1706 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1708 * c-decl.c (ext_block): Moved up.
1709 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1711 2012-01-06 Han Shen <shenhan@google.com>
1713 Translate built-in include paths for sysroot.
1714 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1715 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1717 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1718 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1720 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1721 control whether sysroot should be prepended to gxx include dir.
1723 * configure: Regenerate.
1725 2012-01-06 Torvald Riegel <triegel@redhat.com>
1727 PR rtl-optimization/51771
1728 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1729 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1731 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1733 PR tree-optimization/51315
1734 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1735 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1737 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1740 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1741 for shrp pattern. Correctly handle and fixup shift variable.
1742 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1744 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1747 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1748 note when !ACCUMULATE_OUTGOING_ARGS.
1750 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1752 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1754 (extract_range_from_unary_expr_1): Avoid useless computations.
1756 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1758 PR rtl-optimization/51767
1759 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1760 of jump_block and add an extra edge for degenerated asm gotos.
1763 * stmt.c (check_unique_operand_names): Don't ICE during error
1764 reporting if i is from labels chain.
1767 * profile.c (branch_prob): Split bbs that have exit edge
1768 and need a fake entry edge too.
1770 2012-01-05 Jan Hubicka <jh@suse.cz>
1773 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1776 2012-01-05 Richard Guenther <rguenther@suse.de>
1779 * tree-streamer-out.c (write_ts_optimization): New function.
1780 (streamer_write_tree_body): Call it.
1781 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1782 (streamer_read_tree_body): Call it.
1783 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1785 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1788 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1789 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1790 in_cleanup_point_expr before gimplify_stmt call and restore it
1792 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1793 in_cleanup_point_expr is false.
1795 2012-01-05 Richard Guenther <rguenther@suse.de>
1798 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1800 * toplev.c (process_options): Reject combining mudflap and LTO.
1801 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1803 2012-01-05 Richard Guenther <rguenther@suse.de>
1805 PR tree-optimization/51760
1806 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1808 (bit_value_unop): Handle UNDEFINED operands.
1809 (bit_value_binop): Likewise.
1811 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1813 * config/avr/avr.c (avr_replace_prefix): Remove.
1814 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1815 (avr_asm_function_rodata_section): Ditto.
1816 (avr_asm_select_section): Ditto.
1818 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1820 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1823 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1826 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1827 calls that have any non-fake successor edges.
1830 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1832 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1834 PR tree-optimization/51624
1835 * tree-sra.c (build_ref_for_model): When replicating a chain of
1836 COMPONENT_REFs, stop as soon as the offset would become negative.
1838 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1841 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1842 in .debug_loc on the floor.
1844 2012-01-04 Andrew Pinski <apinski@cavium.com>
1846 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1848 2012-01-04 Andrew Pinski <apinski@cavium.com>
1849 Adam Nemet <anemet@caviumnetworks.com>
1851 * config/mips/mips.md (size): Add SI and DI.
1852 (SIZE): New mode attribute.
1853 (U): New code attribute.
1854 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1855 (mips_lbux_<mode>): Delete.
1856 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1857 (mips_lhx): Use gen_mips_lhx_extsi.
1858 (mips_lhx_<mode>): Delete.
1860 (mips_l<size>x): New expand.
1861 (mips_lwx_<mode>): Delete.
1862 (mips_l<GPR:size>x_<P:mode>): New pattern.
1863 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1864 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1865 * config/mips/mips.c (mips_lx_address_p): New function.
1866 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1867 (dsp64): New availability predicate.
1868 (mips_builtins): Add an entry for __builtin_mips_ldx.
1869 * config/mips/mips.h (ISA_HAS_LBX): New define.
1870 (ISA_HAS_LBUX): Likewise.
1871 (ISA_HAS_LHX): Likewise.
1872 (ISA_HAS_LHUX): Likewise.
1873 (ISA_HAS_LWX): Likewise.
1874 (ISA_HAS_LWUX): Likewise.
1875 (ISA_HAS_LDX): Likewise.
1876 * doc/extend.texi (__builtin_mips_ldx): Document.
1878 2012-01-04 Tristan Gingold <gingold@adacore.com>
1880 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1881 when long pointers are used.
1882 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1883 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1884 (ia64-hp-*vms*): Remove.
1885 * config/vms/xm-vms64.h: Delete.
1887 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1890 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1892 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1894 * opts.c (finish_options): Remove duplicate sorry.
1896 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1899 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1902 2012-01-04 Richard Guenther <rguenther@suse.de>
1905 * tree.c (size_low_cst): New function.
1906 * tree.h (size_low_cst): Declare.
1907 * fold-const.c (fold_comparison): Use it to extract the low
1908 part of the POINTER_PLUS_EXPR offset.
1910 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1912 Fix clearing ZERO_REG
1913 * config/avr/avr.md (cc): Add alternative "ldi".
1914 (movqi_insn): Use it in cc attribute.
1915 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1916 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1917 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1919 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1921 * configure: Regenerate.
1923 2012-01-04 Richard Guenther <rguenther@suse.de>
1925 PR tree-optimization/49651
1926 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1927 (var_can_have_subvars): Use it.
1928 (get_constraint_for_1): Only consider subfields if there can be any.
1930 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1933 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1934 to its new canonical_cselib_val and the cselib_val was in
1935 first_containing_mem chain, but the canonical_cselib_val was not,
1936 add the latter into the chain.
1937 (cselib_invalidate_mem): Compare canonical_cselib_val of
1938 addr_list chain elt with v.
1941 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1942 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1944 (output_macinfo_op): Don't ggc_strdup fd->filename.
1945 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1946 then ggc_strdup it. Don't free inc->info or cur->info.
1947 (output_macinfo): Don't free ref->info or file->info.
1949 2012-01-03 Ira Rosen <irar@il.ibm.com>
1951 PR tree-optimization/51269
1952 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1953 first_niters a pointer.
1954 (slpeel_tree_peel_loop_to_edge): Likewise.
1955 (vect_do_peeling_for_loop_bound): Update call to
1956 slpeel_tree_peel_loop_to_edge.
1957 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1958 here. Remove it from the parameters list.
1959 (vect_do_peeling_for_alignment): Update calls and compute
1962 2012-01-03 Richard Guenther <rguenther@suse.de>
1964 PR tree-optimization/51070
1965 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1966 Properly handle calls.
1968 2012-01-03 Richard Guenther <rguenther@suse.de>
1970 PR tree-optimization/51692
1971 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1972 the LHS of allocation stmts.
1974 2012-01-03 Olivier Hainque <hainque@adacore.com>
1976 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1978 2012-01-03 Olivier Hainque <hainque@adacore.com>
1980 * collect2.c (main): In AIX specific computations for vector
1981 insertions, use CONST_CAST2 to cast from char ** to const char **.
1983 2012-01-03 Richard Guenther <rguenther@suse.de>
1986 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1987 the context of a limbo DIE when it does not already exist.
1989 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1991 PR tree-optimization/51719
1992 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1993 but direct call is, clear direct call's lhs and don't add fallthrough
1994 edge from dcall_bb to join_bb and PHIs.
1996 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1998 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1999 the instructions emitted by the pattern.
2000 ("*TDC_insn_<mode>"): Add comment.
2002 2012-01-03 Richard Guenther <rguenther@suse.de>
2005 * fold-const.c (fold_comparison): Properly canonicalize
2006 tree offset and HOST_WIDE_INT bit position.
2008 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2010 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2011 operands for extzv pattern.
2013 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2016 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2019 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2021 * doc/invoke.texi (-flto and related options): Copy-edit.
2023 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2025 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2027 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2029 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2032 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2034 * expr.h (move_by_pieces_ninsns): Declare.
2035 * expr.c (move_by_pieces_ninsns): Make external.
2036 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2037 (mips_store_by_pieces_p): Likewise.
2038 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2039 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2040 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2041 (mips_store_by_pieces_p): Likewise.
2043 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2045 * passes.c (register_one_dump_file): Free full_name.
2047 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2048 (calculate_elim_costs_all_insns): Free offsets_at and
2049 offsets_known_at at the end and clear the pointers.
2051 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2053 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2054 this option introduced in r180739.
2056 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2059 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2060 (tmake_file target=avr): Add avr/t-multilib.
2062 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2063 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2064 * config/avr/genmultilib.awk: New file.
2065 * config/avr/t-multilib: New auto-generated file.
2066 * config/avr/multilib.h: New auto-generated file.
2067 * config/avr/t-avr (AVR_MCUS): New variable.
2068 (genopt.sh): Use it.
2069 (s-mlib): Depend on t-multilib.
2070 (t-multilib, multilib.h): New dependencies.
2071 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2072 (MULTILIB_OPTIONS): Remove.
2073 (MULTILIB_MATCHES): Remove.
2074 (MULTILIB_DIRNAMES): Remove.
2075 (MULTILIB_EXCEPTIONS): Remove:
2076 * config/avr/genopt.sh: Don't use hard coded file name;
2077 pass AVR_MCUS from t-avr instead.
2079 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2081 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2083 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2085 Implement light-weight DImode support.
2086 * config/avr/avr-dimode.md: New file.
2087 * config/avr/avr.md: Include it.
2088 (adjust_len): Add plus64, compare64.
2089 (HIDI): Remove code iterator.
2090 (code_stdname): New code attribute.
2091 (rotx, rotsmode): Remove DI.
2092 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2094 * config/avr/avr-protos.h (avr_have_dimode): New.
2095 (avr_out_plus64, avr_out_compare64): New.
2096 * config/avr/avr.c (avr_out_compare): Handle DImode.
2097 (avr_have_dimode): New variable definition and initialization.
2098 (avr_out_compare64, avr_out_plus64): New functions.
2099 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2100 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2101 (avr_compare_pattern): Skip DImode comparisons.
2103 2012-01-02 Revital Eres <revital.eres@linaro.org>
2105 * ddg.c (def_has_ccmode_p): New function.
2106 (add_cross_iteration_register_deps,
2107 create_ddg_dep_from_intra_loop_link): Call it.
2109 2012-01-02 Richard Guenther <rguenther@suse.de>
2112 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2114 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2116 * gcc.c (process_command): Update copyright notice dates.
2117 * gcov.c (print_version): Likewise.
2118 * gcov-dump.c (print_version): Likewise.
2119 * mips-tfile.c (main): Likewise.
2120 * mips-tdump.c (main): Likewise.
2122 2012-01-01 Ira Rosen <irar@il.ibm.com>
2124 PR tree-optimization/51704
2125 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2126 a use is inside the basic block or loop before accessing its vect info.
2128 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2130 PR rtl-optimization/51069
2131 * cfgloopmanip.c (remove_path): Removing path making irreducible
2132 region unconditional makes BB part of the region.
2134 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2136 PR tree-optimization/51683
2137 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2138 calls with side-effects.
2139 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2141 Copyright (C) 2012 Free Software Foundation, Inc.
2143 Copying and distribution of this file, with or without modification,
2144 are permitted in any medium without royalty provided the copyright
2145 notice and this notice are preserved.