1 2012-02-08 Jakub Jelinek <jakub@redhat.com>
3 PR rtl-optimization/52139
4 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
5 is a BARRIER after emit_insn_after_noloc, move BB_END
6 to the last non-BARRIER insn before it.
8 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
11 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
12 (mips_gimplify_va_arg_expr): Call it instead of
13 std_gimplify_va_arg_expr.
15 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
17 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
18 message for -mno-pointers-to-nested-function.
20 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
23 * expr.c (get_inner_reference): If there is an offset, add a negative
24 bit position to it (if any).
26 2012-02-07 Jakub Jelinek <jakub@redhat.com>
28 PR rtl-optimization/52060
29 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
30 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
31 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
32 and/or i0src_copy2 when needed.
34 2012-02-07 Jakub Jelinek <jakub@redhat.com>
36 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
37 or LTOPLUGINSONAME if have_c.
39 * config/freebsd-spec.h: Add comment about what macros can be defined
41 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
42 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
45 2012-02-07 Richard Guenther <rguenther@suse.de>
47 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
48 newline in -alias dumps.
50 2012-02-07 Kai Tietz <ktietz@redhat.com>
51 Dave Korn <dave.korn.cygwin@gmail.com>
54 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
55 Take care that typinfo gets dllexport-attribute.
57 2012-02-07 Jakub Jelinek <jakub@redhat.com>
60 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
61 if modifier < EXPAND_SUM call force_operand on the result.
63 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
65 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
66 adding __forwarder_dst__ prefix if a forwarder_section attribute is
68 (epiphany_function_type): Replace types for specific interrupts with
69 EPIPHANY_FUNCTION_INTERRUPT.
70 (EPIPHANY_INTERRUPT_P): Update.
71 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
73 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
74 <disinterrupt>: Affects type identity.
75 (epiphany_handle_interrupt_attribute): Handle variable number of
77 (epiphany_compute_function_type): Update for new
78 epiphany_function_type definition.
79 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
80 handlers with a longcall forwarder.
81 (epiphany_start_function): Handle multiple interrupt arguments and/or
82 forwarder_section attribute.
84 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
86 2012-02-07 Alan Modra <amodra@gmail.com>
89 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
92 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
94 PR tree-optimization/50969
95 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
96 use vec_perm rather than vector_stmt.
97 (vect_model_load_cost): Likewise.
98 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
99 vec_perm to be the same as other vector statements.
100 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
101 cost of vec_perm for TARGET_VSX.
103 2012-02-06 Richard Guenther <rguenther@suse.de>
105 PR tree-optimization/52115
106 * tree-sra.c (access_has_replacements_p): New function.
107 (sra_modify_assign): Use it to decide whether a use is uninitialized.
109 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
112 * trans-mem.c (expand_call_tm): Add an assertion.
113 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
116 2012-02-06 Richard Guenther <rguenther@suse.de>
118 PR tree-optimization/50955
119 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
120 raise cost of expressions that replace an address with an
121 expression based on a different pointer.
123 2012-02-06 Jakub Jelinek <jakub@redhat.com>
126 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
127 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
129 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
132 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
133 -Weffc++ and specify guidelines come from second edition.
135 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
137 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
138 (sibcall_value_multiple_internal, call_split, call_internal_direct)
139 (call_direct_split, call_value_split, call_value_internal_direct)
140 (call_value_direct_split, call_value_multiple_split): Use jal and
141 jal_macro attributes.
143 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
145 * reload1.c (reload_regs_reach_end_p): Replace with...
146 (reload_reg_rtx_reaches_end_p): ...this function.
147 (new_spill_reg_store): Update commentary.
148 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
149 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
150 before setting new_spill_reg_store.
151 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
152 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
153 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
154 for non-spill reload registers.
156 2012-02-05 Ira Rosen <irar@il.ibm.com>
158 PR tree-optimization/52091
159 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
160 (vect_is_simple_use_1): Likewise.
161 * tree-vect-loop.c (vectorizable_reduction): Update calls
162 to vect_is_simple_use_1 and vect_is_simple_use.
163 (vectorizable_live_operation): Likewise.
164 * tree-vect-patterns.c (widened_name_p,
165 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
167 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
168 vectorizable_call, vectorizable_conversion,
169 vectorizable_assignment, vectorizable_shift,
170 vectorizable_operation, vectorizable_store, vectorizable_load):
172 (vect_is_simple_cond): Add an argument, pass it to
173 vect_is_simple_use_1.
174 (vectorizable_condition): Update calls to vect_is_simple_cond,
176 (vect_is_simple_use): Add an argument, the statement in which
177 OPERAND is used. Check that if OPERAND's def stmt is a double
178 reduction phi node, the use is a phi node too.
179 (vect_is_simple_use_1): Add an argument, pass it to
181 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
182 to vect_is_simple_use.
184 2012-02-04 Jakub Jelinek <jakub@redhat.com>
186 PR rtl-optimization/52095
187 * modulo-sched.c (dump_insn_locator): New function.
188 (loop_canon_p, sms_schedule): Use it.
190 PR rtl-optimization/52113
191 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
192 even for decomposable shift/zext insns.
194 2012-02-03 Jakub Jelinek <jakub@redhat.com>
195 Zdenek Dvorak <ook@ucw.cz>
197 PR rtl-optimization/52092
198 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
199 on get_iv_value result.
201 2012-02-02 Andrew Pinski <apinski@cavium.com>
205 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
207 2012-02-02 Jakub Jelinek <jakub@redhat.com>
210 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
212 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
214 PR rtl-optimization/49800
215 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
216 (sched_finish): Call regstat_free_n_sets_and_refs.
218 2012-02-02 Jia Liu <proljc@gmail.com>
220 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
223 2012-02-02 Jan Hubicka <jh@suse.cz>
224 Tom de Vries <tom@codesourcery.com>
227 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
228 * varpool.c (varpool_analyze_pending_decls): Likewise.
230 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
231 Jayant R Sonar <jayant.sonar@kpitcummins.com>
233 * config.gcc: Add cr16-* support.
235 * doc/extend.texi: Document cr16 extensions.
236 * doc/install.texi: Document cr16 install.
237 * doc/invoke.texi: Document cr16 options.
238 * doc/md.texi: Document cr16 constraints.
240 * common/config/cr16/cr16-common.c: New file.
241 * config/cr16/cr16.c: New file.
242 * config/cr16/cr16.h: New file.
243 * config/cr16/cr16.md: New file.
244 * config/cr16/cr16.opt: New file.
245 * config/cr16/cr16-protos.h: New file.
246 * config/cr16/predicates.md: New file.
247 * config/cr16/constraints.md: New file.
248 * config/cr16/t-cr16: New file.
250 2012-02-02 Jakub Jelinek <jakub@redhat.com>
253 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
254 that operands[2] is either immediate, or q_regs_operand.
256 PR tree-optimization/52073
257 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
258 a pattern stmt for pattern uses, ignore uses outside of the loop.
260 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
262 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
263 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
264 (OUT_AS1, OUT_AS2): Remove.
266 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
268 PR rtl-optimization/51374
269 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
270 to cross other volatile_refs_p insns.
272 2012-02-01 Richard Guenther <rguenther@suse.de>
274 * doc/invoke.texi (fno-inline): Clarify documentation.
275 (finline-small-functions): Likewise.
276 (finline-functions): Likewise.
277 * common.opt (finline): Adjust comment and documentation.
278 (finline-small-functions): Clarify documentation.
279 (finline-functions): Likewise.
280 (finline-functions-called-once): Likewise.
282 2012-02-01 Tristan Gingold <gingold@adacore.com>
284 * c-typeck.c (composite_type): Keep mode for pointers.
286 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
288 * function.h (regno_reg_rtx): Adjust comment.
289 * reginfo.c (init_reg_modes_target): Only use the previous mode
290 if it fits within one register. Remove MIPS comment.
292 2012-01-31 Jakub Jelinek <jakub@redhat.com>
295 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
297 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
299 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
302 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
304 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
307 2012-01-31 Jakub Jelinek <jakub@redhat.com>
312 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
314 2012-01-31 Richard Guenther <rguenther@suse.de>
316 PR tree-optimization/51528
317 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
320 2012-01-31 Jakub Jelinek <jakub@redhat.com>
325 * ree.c (add_removable_extension): Change def_map argument
326 to unsigned *, store in def_map 1 + offset into *insn_list vector
327 instead of pointers into the vector.
328 (find_removable_extensions): Adjust caller.
330 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
332 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
333 Transform all "* quoted-c-code" to { c-code }.
334 Remove redundant test for "optimize" in combine patterns.
335 Move (include "avr-dimode.md") to end of file.
337 2012-01-30 Bin Cheng <bin.cheng@arm.com>
340 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
341 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
343 2012-01-30 Richard Guenther <rguenther@suse.de>
345 PR tree-optimization/52028
346 * tree-loop-distribution.c (ldist_gen): Properly update
349 2012-01-30 Jakub Jelinek <jakub@redhat.com>
352 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
353 set_cur_line_info_table if not emitting debug info.
355 PR tree-optimization/52046
356 * tree-vect-patterns.c (check_bool_pattern): Give up if
357 a comparison could throw.
360 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
362 2012-01-30 Richard Guenther <rguenther@suse.de>
364 PR tree-optimization/52045
365 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
366 SSA form if cfgcleanup did anything.
368 2012-01-30 Richard Guenther <rguenther@suse.de>
370 PR tree-optimization/52045
371 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
372 before computing final todo.
374 2012-01-30 Richard Guenther <rguenther@suse.de>
376 PR tree-optimization/51528
377 * tree-sra.c (sra_modify_assign): Re-factor in preparation
380 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
382 * df-problems.c (df_kill_notes): Check that the use refers
383 to the note under examination.
385 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
388 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
389 parameter and use short-lived pseudos.
390 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
391 (sparc_expand_vector_init): Const-ify local variables and adjust
392 calls to above functions.
394 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
396 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
398 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
400 * doc/invoke.texi: Make usage of "compile time" and
401 "run time"/"runtime" consistent throughout the file.
403 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
405 * config/alpha/alpha.c (alpha_option_overrride): Default to
406 full IEEE compliance mode for Go language.
408 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
410 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
411 (LINK_SSP_SPEC): Define.
413 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
416 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
419 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
421 * doc/invoke.texi: Correct hyphenation of "floating point",
422 "double precision", and related terminology throughout the file.
424 2012-01-28 Jakub Jelinek <jakub@redhat.com>
427 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
428 arm_general_register_operand predicate for operand 2 instead of
431 2012-01-27 Ian Lance Taylor <iant@google.com>
434 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
435 * builtins.c (expand_builtin_init_trampoline): Add onstack
436 parameter. Change caller.
437 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
438 * tree.c (build_common_builtin_nodes): Declare
439 __builtin_init_heap_trampoline.
441 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
443 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
444 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
445 * config/avr/avr.c: Ditto.
446 (avr_regnames): Remove because unused.
447 * config/avr/avr.md (*cpse.ne): New peephole.
448 (*cpse.eq): New peephole from former cpse peepholes.
450 2012-01-27 Michael Eager <eager@eagercon.com>
452 * config/microblaze.c (microblaze_emit_compare): Correct
453 test after pcmp instruction.
455 2012-01-27 Richard Guenther <rguenther@suse.de>
457 PR tree-optimization/52020
458 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
460 2012-01-27 Richard Guenther <rguenther@suse.de>
462 * ipa-pure-const.c (check_stmt): Clobbers do not make a
463 function non-const/pure.
465 2012-01-27 Richard Guenther <rguenther@suse.de>
467 PR tree-optimization/50444
468 * tree-sra.c (build_ref_for_offset): Properly adjust the
469 MEM_REF type for unaligned accesses.
471 2012-01-27 Richard Guenther <rguenther@suse.de>
473 PR tree-optimization/50444
474 * expr.c (mem_ref_refers_to_non_mem_p): New function.
475 (expand_assignment): Use it. Properly handle misaligned
476 bases when expanding stores to component references.
477 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
480 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
483 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
484 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
485 * tree-data-ref.c (find_data_references_in_loop): Make static.
486 (compute_all_dependences): Change return type to bool. Bail out
487 for too many datarefs in a loop. Move the hunk resetting the data
488 dependences vector from ...
489 (compute_data_dependences_for_loop): ... here. Account for
490 compute_all_dependences returning false.
491 (compute_data_dependences_for_bb): Likewise.
492 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
493 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
495 2012-01-27 Richard Guenther <rguenther@suse.de>
498 * expr.c (store_field): Use the alias-set of the scratch memory
501 2012-01-27 Tom de Vries <tom@codesourcery.com>
503 PR tree-optimization/51990
504 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
506 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
508 2012-01-27 Jakub Jelinek <jakub@redhat.com>
511 * var-tracking.c (reverse_op): Don't add any reverse operation
512 if V already has any constant locations.
514 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
516 * doc/invoke.texi: Correct usage of "command line" (noun)
517 vs "command-line" (adjective) throughout.
519 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
521 * doc/invoke.texi (Language Independent Options): Move
522 -Wcoverage-mismatch blurb from here....
523 (Warning Options): ...to here.
525 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
527 * config/rs6000/rs6000.c (rs6000_option_override_internal):
528 Set rs6000_always_hint to false for 476.
530 2012-01-27 Matthias Klose <doko@ubuntu.com>
532 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
534 * incpath.c (add_standard_paths): Likewise.
536 2012-01-27 Richard Henderson <rth@redhat.com>
538 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
539 * config/m68k/sync.md (atomic_test_and_set): Rename from
540 sync_test_and_setqi and adjust the operands.
541 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
542 and unconditionally enable.
544 2012-01-27 Richard Henderson <rth@redhat.com>
546 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
547 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
548 (ldstub): Rename from ldstubqi.
549 (ldstub<I24MODE>): Remove.
551 2012-01-27 Richard Henderson <rth@redhat.com>
553 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
554 * c-cppbuiltin.c (cpp_atomic_builtins): Define
555 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
556 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
557 * doc/tm.texi: Rebuild.
559 2012-01-27 Richard Henderson <rth@redhat.com>
561 * optabs.c (gen_atomic_test_and_set): Remove default.
562 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
564 2012-01-26 Jakub Jelinek <jakub@redhat.com>
566 PR rtl-optimization/51978
567 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
568 (combine_reaching_defs): Likewise.
569 (struct re_info): Remove.
570 (add_removable_extension): Remove x and data arguments,
571 add insn, insn_list and def_map. Use the arguments directly
572 instead of using struct re_info.
573 (find_removable_extensions): Don't call add_removable_extension
574 through note_stores, instead just call it with single_set
576 (find_and_remove_re): Pass curr_cand->expr instead of
577 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
579 2012-01-26 Michael Matz <matz@suse.de>
581 PR tree-optimization/46590
582 * cfgexpand.c: Revert last change (r183305).
583 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
585 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
586 checking for emptiness.
588 2012-01-26 Jakub Jelinek <jakub@redhat.com>
591 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
592 non-addressable non-BLKmode base correctly.
594 2012-01-26 Michael Matz <matz@suse.de>
596 PR tree-optimization/48794
597 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
598 regions referenced from RESX/EH_DISPATCH.
600 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
602 * config/s390/s390.h: Make BRANCH_COST an option.
603 * config/s390/s390.opt: New option -mbranch-cost.
605 2012-01-26 Richard Henderson <rth@redhat.com>
607 Revert 2012-01-24 change:
608 * trans-mem.c (requires_barrier): Do not instrument thread local
609 variables and emit save/restore for them.
611 2012-01-25 Jakub Jelinek <jakub@redhat.com>
614 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
617 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
619 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
622 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
625 Rename __pgm to __flash.
626 Rename __pgm1 to __flash1.
627 Rename __pgm2 to __flash2.
628 Rename __pgm3 to __flash3.
629 Rename __pgm4 to __flash4.
630 Rename __pgm5 to __flash5.
631 Rename __pgmx to __memx.
632 * doc/extend.texi (AVR Named Address Spaces)
633 Rename address space names as indicated above.
634 * config/avr/avr.c (avr_addrspace): Ditto.
636 * config/avr/avr-protos.h
637 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
638 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
639 * config/avr/predicates.md: Ditto.
640 * config/avr/avr.c Ditto, and
641 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
642 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
644 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
645 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
646 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
647 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
648 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
649 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
650 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
651 * config/avr/avr.c: Ditto.
652 * config/avr/avr.md: Ditto.
654 2012-01-25 Jason Merrill <jason@redhat.com>
657 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
659 2012-01-25 Jakub Jelinek <jakub@redhat.com>
661 PR tree-optimization/51987
662 * tree-data-ref.c (get_references_in_stmt): Handle references in
663 non-volatile GIMPLE_ASM.
665 2012-01-25 Richard Guenther <rguenther@suse.de>
667 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
668 bases are dereferenced.
670 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
672 PR rtl-optimization/48374
673 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
675 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
677 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
678 compute_data_dependences_for_loop returns false.
679 * tree-parloops.c (loop_parallel_p): Likewise.
681 2012-01-25 Richard Guenther <rguenther@suse.de>
683 * tree.h (get_pointer_alignment_1): Declare.
684 * builtins.c (get_pointer_alignment_1): New function.
685 (get_pointer_alignment): Use it.
687 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
689 PR rtl-optimization/48308
690 * combine.c (enum undo_kind): Add UNDO_LINKS.
691 (struct undo): Add member l to other_contents and where.
692 (do_SUBST_LINK): New.
694 (try_combine): Handle LOG_LINKS for the dummy i1 case.
695 (undo_all): Handle UNDO_LINKS.
697 2012-01-25 Richard Henderson <rth@redhat.com>
699 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
702 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
704 * optabs.c (gen_atomic_test_and_set): Use each argument.
706 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
708 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
709 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
710 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
711 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
712 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
713 TARGET_PAIRED_SINGLE_FLOAT.
715 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
717 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
718 (in_struct, return_val): Remove MEM documentation.
719 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
720 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
721 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
723 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
724 * cfgexpand.c (add_alias_set_conflicts): Likewise.
725 * expr.c (store_field): Likewise.
726 * function.c (assign_stack_temp_for_type): Likewise.
727 * ifcvt.c (noce_try_cmove_arith): Likewise.
728 * reload1.c (reload): Likewise.
729 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
730 (alpha_set_memflags): Likewise.
731 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
733 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
735 * rtl.h (true_dependence, canon_true_dependence): Remove varies
737 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
738 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
739 (true_dependence_1, true_dependence, canon_true_dependence): Remove
741 * cselib.c (cselib_rtx_varies_p): Delete.
742 (cselib_invalidate_mem): Update call to canon_true_dependence.
743 * dse.c (record_store, check_mem_read_rtx): Likewise.
744 (scan_reads_nospill): Likewise.
745 * cse.c (check_dependence): Likewise.
746 (cse_rtx_varies_p): Delete.
747 * expr.c (safe_from_p): Update call to true_dependence.
748 * ira.c (validate_equiv_mem_from_store): Likewise.
749 (memref_referenced_p): Likewise.
750 * postreload-gcse.c (find_mem_conflicts): Likewise.
751 * sched-deps.c (sched_analyze_2): Likewise.
752 * store-motion.c (load_kills_store): Likewise.
753 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
754 * gcse.c (mems_conflict_for_gcse_p): Likewise.
755 (compute_transp): Update call to canon_true_dependence.
757 2012-01-25 Richard Henderson <rth@redhat.com>
759 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
760 (maybe_emit_atomic_test_and_set): New.
761 (expand_sync_lock_test_and_set): Use it.
762 (expand_atomic_test_and_set): Likewise.
763 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
764 the implementation; clarify implementation defined details.
765 * doc/md.texi (atomic_test_and_set): Document.
767 2012-01-25 Richard Henderson <rth@redhat.com>
769 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
771 2012-01-25 Richard Henderson <rth@redhat.com>
774 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
775 to effect no-op split.
777 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
780 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
781 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
782 (BT_FN_VOID_PTR_INT_SIZE): New.
783 (BT_FN_UINT_UINT_VAR): Remove.
784 (BT_FN_UINT32_UINT32_VAR): New.
785 (BT_FN_DOUBLE_VPTR): Remove.
786 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
788 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
789 (_ITM_changeTransactionMode): Same.
790 (_ITM_memmoveRtWt): Change return type to void.
791 (_ITM_memcpyRtWt): Same.
792 (_ITM_memsetW): Same.
793 (_ITM_RaRD): Change types to double.
798 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
800 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
801 Patrick Marlier <patrick.marlier@gmail.com>
803 * trans-mem.c (requires_barrier): Do not instrument thread local
804 variables and emit save/restore for them.
806 2012-01-24 Jason Merrill <jason@redhat.com>
809 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
810 output static aliases.
812 2012-01-24 Jakub Jelinek <jakub@redhat.com>
815 * common.opt (-pie, -shared, pie, shared): Change from Common to
817 * gcc.c (display_help): Display help for -pie and -shared.
819 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
822 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
823 Remove note on size/offset limitation.
824 (AVR Variable Attributes): Add example how to read data located
825 with progmem. Refer to named address spaces.
826 * doc/invoke.texi (AVR Options): Fix typo.
828 2012-01-24 Richard Guenther <rguenther@suse.de>
830 Forward-port to trunk
831 2010-09-21 Jakub Jelinek <jakub@redhat.com>
834 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
835 op0 isn't sufficiently aligned and there is movmisalignM
836 insn for mode, use it to load op0 into a temporary register.
838 2012-01-24 Jakub Jelinek <jakub@redhat.com>
841 * target.def (const_not_ok_for_debug_p): New hook.
842 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
844 * doc/tm.texi: Regenerated.
845 * dwarf2out.c (const_ok_for_output_1): If
846 targetm.const_not_ok_for_debug_p returns true, fail.
847 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
849 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
851 2012-01-23 Kai Tietz <ktietz@redhat.com>
854 * config/i386/predicates.md (symbolic_operand): Allow
855 UNSPEC_PCREL as PIC expression for lea.
856 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
857 * config/i386/i386.c (ix86_delegitimize_address): Handle
858 UNSPEC_PCREL for none-MEM, too.
860 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
862 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
863 (ipa_tm_create_version_alias): Same.
865 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
868 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
869 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
871 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
872 Patrick Marlier <patrick.marlier@gmail.com>
873 Iain Sandoe <developer@sandoe-acoustics.co.uk>
876 * lto-wrapper.c (run_gcc): Pass the LTO section name to
877 simple_object_start_read.
879 2012-01-23 Richard Guenther <rguenther@suse.de>
882 PR tree-optimization/51895
883 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
884 parameter decomposition into BLKmode components.
886 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
888 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
889 fake variables for restrict-qualified pointers whose pointed-to type
890 contains a placeholder.
892 2012-01-23 Richard Guenther <rguenther@suse.de>
894 PR tree-optimization/51949
895 * ipa-split.c (execute_split_functions): Do not split malloc functions.
897 2012-01-23 Jakub Jelinek <jakub@redhat.com>
899 PR rtl-optimization/51933
900 * ree.c (transform_ifelse): Return true right away if dstreg is
901 already wider or equal to cand->mode.
902 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
903 (make_defs_and_copies_lists): Remove defs_list and copies_list
904 arguments, add state argument, just truncate state->work_list
905 instead of always allocating and freeing the vector. Assert that
906 get_defs succeeds instead of returning 2. Changed return type to bool.
907 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
908 have ext_src_mode, see if it has been modified already with the
909 right kind of extension and has been extended before from the
910 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
911 just return true. Remember the original mode in state->modified array.
912 (combine_reaching_defs): Add state argument. Don't allocate and
913 free here def_list, copied_list and vec vectors, instead just
914 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
915 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
916 Add state variable, clear vectors in it, initialize state.modified
917 if needed. Free all the vectors at the end and state.modified too.
918 Don't skip a candidate if the extension expression has been modified.
920 2012-01-22 Douglas B Rupp <rupp@gnat.com>
923 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
924 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
925 (extra_options) interix.opt -> i386/interix.opt"
926 (extra_objs):Add winnt-stubs.o
927 * configure.ac: Add interix to target_os .comm on PE check.
928 * configure: Regenerate.
929 * config/interix3.h: Delete and move bits to..
930 * config/interix.h: Delete and move bits to..
931 * config/i386/i386-interix3.h: Delete and move bits to..
932 * config/i386/i386-interix.h: ..here.
933 (TARGET_CPU_DEFAULT): Remove redefinition.
934 (TARGET_ASM_CONSTRUCTOR): Undefine.
935 (SUBTARGET_SWITCHES): Define for ms-bitfields.
936 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
937 (PTRDIFF_TYPE): Define.
938 (LONG_DOUBLE_TYPE_SIZE): Define.
939 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
940 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
941 (TARGET_SECTION_TYPE_FLAGS): Define.
942 (ASM_DECLARE_FUNCTION_NAME): Define.
943 (ASM_OUTPUT_EXTERNAL): Define.
944 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
945 (ASM_OUTPUT_ALIGNED_BSS): Define.
946 (PCC_BITFIELD_TYPE_MATTERS): Define.
947 (USE_CONST_SECTION): Define.
948 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
949 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
950 (SUPPORTS_ONE_ONLY): Remove.
951 (I386_PE_STRIP_ENCODING): Define.
952 * config/interix.opt: Delete and move bits to..
953 * config/i386/interix.opt: ..here. New.
954 (mpe-aligned-commons): Add.
955 * config/i386/t-interix: Add copyright header.
956 (winnt-stubs.o): Add rule.
958 2012-01-22 Jason Merrill <jason@redhat.com>
961 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
962 for extra name aliases.
964 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
966 PR rtl-optimization/51924
967 * ree.c (combine_set_extension): Improve debugging message.
968 (combine_reaching_defs): Likewise.
969 (get_defs): Rename confusingly named variable.
970 (find_and_remove_re): Skip a candidate if the extension expression has
973 2012-01-21 Robert Millan <rmh@gnu.org>
974 Gerald Pfeifer <gerald@pfeifer.com>
976 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
977 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
979 2012-01-20 Jakub Jelinek <jakub@redhat.com>
981 PR tree-optimization/51914
982 * tree-vect-stmts.c (vectorizable_conversion): For
983 cvt_type && modifier == WIDEN, put temporary with cvt_type
984 at the beginning of vec_dsts and set vec_dest to temporary
987 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
989 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
991 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
993 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
994 * config/rs6000/rs6000.c: Likewise.
996 2012-01-20 Jakub Jelinek <jakub@redhat.com>
999 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1000 output_move_double on a copy of operands array.
1002 2012-01-20 Cary Coutant <ccoutant@google.com>
1003 Dodji Seketeli <dodji@redhat.com>
1006 * dwarf2out.c (copy_declaration_context): Return ref to parent
1007 of declaration DIE, if necessary.
1008 (remove_child_or_replace_with_skeleton): Add new parameter; update
1009 caller. Place skeleton DIE under parent DIE of original declaration.
1010 Move call to copy_declaration_context to here ...
1011 (break_out_comdat_types): ... from here.
1013 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1015 PR rtl-optimization/51856
1016 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1019 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1022 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1023 hints for neon loads and stores.
1025 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1029 * doc/extend.texi (Named Address Spaces): Split into subsections.
1030 (AVR Named Address Spaces): New subsection.
1031 (M32C Named Address Spaces): New subsection.
1032 (RL78 Named Address Spaces): New subsection.
1033 (SPU Named Address Spaces): New subsection.
1034 (Variable Attributes): New anchor "AVR Variable Attributes".
1035 (AVR Variable Attributes): Rewrite and avoid wording
1036 "address space" in this context.
1037 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1038 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1039 (AVR Built-in Macros): New subsubsection therein.
1040 * doc/md.texi (AVR constraints): Remove "C04", "R".
1042 2012-01-20 Richard Guenther <rguenther@suse.de>
1044 PR tree-optimization/51903
1045 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1046 when removing stmts.
1048 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1051 * config/arm/arm.c (arm_load_pic_register): Use
1052 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1053 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1054 (arm_pic_static_addr): Likewise.
1055 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1056 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1057 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1058 (pic_load_addr_unified): New.
1060 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1063 * function.c (instantiate_virtual_regs_in_insn): Use
1064 delete_insn_and_edges when removing a wrong asm insn.
1066 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1068 PR rtl-optimization/40761
1069 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1070 Add new member loop_num.
1071 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1072 (ira_build): Remove the parameter.
1074 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1075 (ira.c): Do not build CFG loops for one region allocation. Remove
1076 argument from ira_build call.
1078 * ira-build.c (init_loop_tree_node): New function.
1079 (create_loop_tree_nodes): Use it. Separate the case when CFG
1080 loops are not built.
1081 (more_one_region_p): Check current_loops.
1082 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1084 (add_loop_to_tree): Process loop equal to NULL too.
1085 (form_loop_tree): Separate the case when CFG loops are not built.
1086 Use explicitly number for the root.
1087 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1089 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1090 instead of loop->num.
1091 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1092 (mark_all_loops_for_removal): Ditto.
1093 (remove_unnecessary_regions): Separate the case when CFG loops
1095 (ira_build): Remove the parameter. Use explicit number of regions
1096 when CFG loops are not built.
1098 * ira-color.c (print_loop_title): Separate the case for the root node.
1099 Use loop_num instead of loop->num.
1100 (move_spill_restore): Use loop_num instead of loop->num.
1102 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1103 (change_loop): Ditto.
1104 (change_loop): Use loop_num instead of loop->num.
1106 * ira-lives.c (process_bb_node_lives): Ditto.
1108 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1110 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1112 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1115 * tree-mudflap.c (mf_artificial): New function.
1116 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1117 mx_register_decls, mudflap_enqueue_decl): Use it.
1120 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1121 numbers in the insn pattern.
1123 2012-01-19 Michael Matz <matz@suse.de>
1125 PR tree-optimization/46590
1126 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1127 use it in remembering which conflicts we already created.
1128 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1131 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1134 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1135 (merge_and_complain): Same.
1137 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1140 * config/initfini-array.h: Guard content of the header
1141 with #ifdef HAVE_INITFINI_ARRAY.
1142 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1143 Add initfini-array.h to tm_file here.
1144 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1145 * config.gcc: Don't add initfini-array.h to tm_file here.
1146 * configure: Regenerated.
1148 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1150 PR rtl-optimization/51505
1151 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1152 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1153 (df_note_bb_compute): Update the call to df_kill_notes.
1155 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1157 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1159 2012-01-18 Richard Guenther <rguenther@suse.de>
1161 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1162 of conversions to void *.
1164 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1165 Richard Sandiford <rdsandiford@googlemail.com>
1169 * optabs.h (simplify_expand_binop): Declare.
1170 * optabs.c (simplify_expand_binop): Make global.
1171 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1172 endian targets if the source cannot be exactly covered by word
1175 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1178 * hard-reg-set.h (struct hard_reg_set_container): New type.
1179 * target.h (struct hard_reg_set_container): Forward declare.
1180 * target.def (set_up_by_prologue): New target hook.
1181 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1182 * doc/tm.texi: Regenerated.
1183 * function.c (thread_prologue_and_epilogue_insns): Change
1184 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1185 Call targetm.set_up_by_prologue on it.
1186 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1187 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1189 2012-01-17 Nick Clifton <nickc@redhat.com>
1191 * config/rx/rx.c (rx_can_use_simple_return): New function.
1192 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1193 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1195 2012-01-17 Richard Guenther <rguenther@suse.de>
1198 * expr.c (expand_assignment): Take address-space information
1199 from the address operand of MEM_REF and TARGET_MEM_REF.
1200 (expand_expr_real_1): Likewise.
1202 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1204 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1205 reload dump is requested.
1207 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1210 * trans-mem.c (requires_barrier): Call may_be_aliased.
1212 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1214 PR tree-optimization/51877
1215 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1216 call arguments and fndecls compare equal, instead return false if they
1217 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1218 both SSA_NAMEs that are valueized the same, or they satisfy
1221 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1223 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1225 * configure: Regenerate.
1227 2012-01-16 Jan Hubicka <jh@suse.cz>
1231 * convert.c (convert_to_integer): Use fold_convert for
1232 converting an INTEGER_CST to integer type.
1234 2012-01-16 Jason Merrill <jason@redhat.com>
1237 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1239 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1242 * config/s390/s390.c (s390_chunkify_start): Don't skip
1243 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1244 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1245 If insn is followed by NOTE_INSN_VAR_LOCATION or
1246 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1247 Don't use location of note insns.
1249 PR tree-optimization/51865
1250 * tree-inline.c (tree_function_versioning): Call remap_decl
1251 on DECL_RESULT whenever it has VOID_TYPE_P type.
1253 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1255 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1256 for calls to locally-binding MIPS16 functions if only the return
1257 type uses float regs.
1259 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1260 Richard Sandiford <rdsandiford@googlemail.com>
1262 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1263 (SYMBOL_32_HIGH): Likewise.
1264 (mips_output_tls_reloc_directive): Declare.
1265 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1266 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1267 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1268 (mips_lo_relocs, mips_hi_relocs): Make extern.
1269 (mips16_stub_function): Move up file.
1270 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1271 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1272 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1273 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1274 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1275 (mips_get_tp): Add MIPS16 support.
1276 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1277 Generalize DTPREL and TPREL handling.
1278 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1279 Add MIPS16 TLS support.
1280 (mips_output_tls_reloc_directive): New function.
1281 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1282 * config/mips/predicates.md (symbolic_operand_with_high)
1283 (tls_reloc_operand): New predicates.
1284 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1285 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1286 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1287 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1288 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1289 (*tls_get_tp_mips16_call_<mode>): Likewise.
1291 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1293 PR rtl-optimization/51821
1294 * recog.c (peep2_find_free_register): Determine clobbered registers
1297 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1300 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1301 * config/avr/avr.c: Likewise.
1302 * config/avr/avr.h: Likewise.
1304 2012-01-13 Ian Lance Taylor <iant@google.com>
1307 * tree.h (TYPE_QUALS): Add cast to int.
1308 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1310 2012-01-13 Ian Lance Taylor <iant@google.com>
1312 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1313 comparing param_index to VEC_length result.
1315 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1317 * c-decl.c: Do not include tree-mudflap.h
1318 * tree-optimize.c: Likewise.
1319 * Makefile.in: Update dependencies.
1321 2012-01-13 Richard Guenther <rguenther@suse.de>
1324 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1325 variable-sized result always use RSO.
1327 2012-01-12 DJ Delorie <dj@redhat.com>
1329 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1330 pointer type, not just the default pointer type.
1332 2012-01-09 Richard Henderson <rth@redhat.com>
1333 Denis Chertykov <chertykov@gmail.com>
1336 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1337 * config/avr/avr.c (avr_can_eliminate): Simplify.
1338 (avr_initial_elimination_offset): Likewise.
1339 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1340 (expand_epilogue): Likewise.
1341 (avr_legitimize_address): Gut.
1342 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1343 (avr_hard_regno_nregs): New.
1344 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1345 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1346 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1347 add soft frame pointer.
1348 (CALL_USED_REGISTERS): Likewise.
1349 (REG_CLASS_CONTENTS): Likewise.
1350 (REGISTER_NAMES): Likewise.
1351 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1352 (HARD_FRAME_POINTER_REGNUM): New.
1353 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1354 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1355 remove the HARD_FRAME_POINTER self-elimination.
1357 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1360 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1361 DECL_EXTERNAL when checking for initializers of progmem variables.
1363 2012-01-12 Ira Rosen <irar@il.ibm.com>
1365 PR tree-optimization/51799
1366 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1367 that the last operation is a type demotion.
1369 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1371 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1372 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1374 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1377 * combine.c (distribute_notes): If i3 is a noreturn call,
1378 allow old_size to be equal to args_size and make sure the
1379 noreturn call gets REG_ARGS_SIZE note.
1380 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1381 on noreturn calls even when the delta is 0.
1383 2012-01-11 Nathan Sidwell <nathan@acm.org>
1385 * gcov.c (STRING_SIZE): Remove.
1386 (generate_results): Erase annotations for source files with no
1387 coverage information.
1389 (output_lines): Use it.
1391 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1393 * gimple.h (gimplify_body): Remove first argument.
1394 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1395 pointer set here, instead just pass DATA to walk_tree.
1396 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1397 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1398 (unvisit_body): Likewise, but with unmark_visited.
1399 (gimplify_body): Remove BODY_P argument and adjust.
1400 (gimplify_function_tree): Adjust call to gimplify_body.
1401 * omp-low.c (finalize_task_copyfn): Likewise.
1403 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1405 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1406 (build_function_type_skip_args): Delete.
1407 * tree.c (build_function_type_skip_args): Make static and add
1408 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1409 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1410 pass it to build_function_type_skip_args.
1411 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1412 (tree_function_versioning): Likewise.
1413 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1414 build_function_decl_skip_args.
1415 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1416 and pass it to build_function_decl_skip_args/tree_function_versioning.
1417 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1418 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1419 * trans-mem.c (ipa_tm_create_version): Likewise.
1420 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1421 * tree-inline.c (declare_return_variable): Remove always-true test.
1422 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1423 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1424 * ipa-split.c (split_function): Skip the return value for the split
1425 part if it doesn't return.
1427 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1429 PR tree-optimization/49642
1430 * ipa-split.c (forbidden_dominators): New variable.
1431 (check_forbidden_calls): New function.
1432 (dominated_by_forbidden): Likewise.
1433 (consider_split): Check for forbidden dominators.
1434 (execute_split_functions): Initialize and free forbidden
1435 dominators info; call check_forbidden_calls.
1437 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1439 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1441 2012-01-11 Nick Clifton <nickc@redhat.com>
1443 * config/rx/rx.md (return): Define pattern.
1445 2012-01-11 Richard Guenther <rguenther@suse.de>
1447 * doc/extend.texi (malloc attribute): Adjust according to
1450 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1451 Patrick Marlier <patrick.marlier@gmail.com>
1454 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1455 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1456 (ipa_tm_note_irrevocable): Same.
1457 (ipa_tm_scan_irr_block): Same.
1458 (ipa_tm_decrement_clone_counts): Same.
1459 (ipa_tm_scan_irr_function): Same.
1460 (ipa_tm_create_version_alias): Same.
1461 (ipa_tm_create_version): Same.
1462 (ipa_tm_transform_calls_redirect): Same.
1463 (ipa_tm_transform_calls): Same.
1464 (ipa_tm_transform_transaction): Same.
1465 (ipa_tm_execute): Same.
1467 2012-01-10 Richard Guenther <rguenther@suse.de>
1470 * opts.c (common_handle_option): Handle -Werror.
1472 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1474 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1477 2012-01-10 Jason Merrill <jason@redhat.com>
1479 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1482 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1484 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1485 supports R_386_TLS_GD_PLT reloc.
1486 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1487 supports R_386_TLS_LDM_PLT reloc.
1488 * configure: Regenerate.
1489 * config.in: Regenerate.
1491 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1494 Extend __pgmx semantics to linearize memory.
1495 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1496 determine if code comes inline or from libgcc.
1497 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1498 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1499 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1500 (movmemx_qi, movmemx_hi): New insns.
1501 (xload_<mode>_libgcc): Rewrite to new insn condition.
1502 (xload_<mode>): Remove insns.
1503 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1504 cases that don't satisfy avr_xload_libgcc_p().
1505 (avr_addr_space_convert): Allow converting in any direction.
1506 (avr_addr_space_subset_p): Return always true.
1507 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1508 (avr_emit_movmemhi): Ditto.
1509 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1510 (avr_out_movmem): Ditto.
1511 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1512 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1513 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1514 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1515 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1517 2012-01-10 Richard Guenther <rguenther@suse.de>
1519 PR tree-optimization/50913
1520 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1521 Require data-refs to be representable by Graphite with respect
1524 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1526 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1527 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1529 2012-01-10 Tom de Vries <tom@codesourcery.com>
1531 PR rtl-optimization/51271
1532 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1533 handling annulled branch.
1535 2012-01-10 Richard Henderson <rth@redhat.com>
1537 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1538 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1539 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1540 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1541 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1542 arm_expand_vec_perm_const): New.
1543 * config/arm/arm-protos.h: Update.
1544 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1545 (*neon_vswp<VDQX>): New.
1546 (neon_vcombine<VDX>): Use neon_split_vcombine.
1547 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1548 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1549 (vec_perm<VE>): New.
1551 2012-01-10 Richard Henderson <rth@redhat.com>
1553 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1554 use it if reload_completed.
1555 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1556 arm_output_asm_insn, arm_process_output_memory_barrier,
1557 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1558 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1559 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1560 arm_process_output_sync_insn, arm_output_sync_insn,
1561 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1562 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1563 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1564 (emit_unlikely_jump): New.
1565 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1566 (arm_split_atomic_op): New.
1567 * config/arm/arm-protos.h: Update.
1568 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1569 (struct arm_sync_generator): Remove.
1570 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1571 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1572 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1573 (VUNSPEC_LL, VUNSPEC_SC): New.
1574 (sync_result, sync_memory, sync_required_value, sync_new_value,
1575 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1576 (attr length): Don't use arm_sync_loop_insns.
1577 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1578 (movsfcc, movdfcc): Likewise.
1579 * config/arm/constraints.md (Ua): New.
1580 * config/arm/prediates.md (mem_noofs_operand): New.
1581 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1582 (sync_clobber, sync_t2_reqd): Remove.
1583 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1584 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1585 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1586 (arm_sync_compare_and_swap<SIDI>): Remove.
1587 (arm_sync_compare_and_swap<NARROW>): Remove.
1588 (arm_sync_lock_test_and_set<SIDI>): Remove.
1589 (arm_sync_lock_test_and_set<NARROW>): Remove.
1590 (arm_sync_new_<syncop><SIDI>): Remove.
1591 (arm_sync_new_<syncop><NARROW>): Remove.
1592 (arm_sync_new_nand<SIDI>): Remove.
1593 (arm_sync_new_nand<NARROW>): Remove.
1594 (arm_sync_old_<syncop><SIDI>): Remove.
1595 (arm_sync_old_<syncop><NARROW>): Remove.
1596 (arm_sync_old_nand<SIDI>): Remove.
1597 (arm_sync_old_nand<NARROW>): Remove.
1598 (*memory_barrier): Merge arm_output_memory_barrier.
1599 (atomic_compare_and_swap<QHSD>): New.
1600 (atomic_compare_and_swap<NARROW>_1): New.
1601 (atomic_compare_and_swap<SIDI>_1): New.
1602 (atomic_exchange<QHSD>): New.
1603 (cas_cmp_operand, cas_cmp_str): New.
1604 (atomic_op_operand, atomic_op_str): New.
1605 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1606 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1607 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1608 (arm_load_exclusive<NARROW>): New.
1609 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1610 (arm_store_exclusive<QHSD>): New.
1612 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1614 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1615 reload patterns if -mvsx-scalar-memory.
1617 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1618 generated, even -mno-vsx-scalar-double was used.
1619 (vsx_xscvdpsp_scalar): Likewise.
1620 (vsx_xscvspdp_scalar2): Likewise.
1622 2012-01-09 Tom de Vries <tom@codesourcery.com>
1623 Andrew Pinski <apinski@cavium.com>
1626 * reorg.c (fill_slots_from_thread): Don't speculate
1627 frame-related insns.
1629 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1631 * sched-int.h (bb_note): Move to...
1632 * basic-block.h: ...here.
1633 * haifa-sched.c (bb_note): Move to...
1634 * cfgrtl.c: ...here.
1635 * function.c (next_block_for_reg): New function.
1636 (move_insn_for_shrink_wrap): Likewise.
1637 (prepare_shrink_wrap): Rewrite to use the above.
1639 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1641 * gimple.c (is_gimple_non_addressable): Remove.
1642 * gimple.h: Remove is_gimple_non_addressable.
1643 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1644 is_gimple_non_addressable.
1645 * trans-mem.c (expand_assign_tm): Same.
1647 2012-01-09 Richard Guenther <rguenther@suse.de>
1649 PR tree-optimization/51775
1650 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1651 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1653 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1655 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1657 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1659 2012-01-09 Richard Guenther <rguenther@suse.de>
1661 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1663 2012-01-08 Jan Hubicka <jh@suse.cz>
1665 PR tree-optimize/51680
1666 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1667 on when known_vals needs to be computed; cleanup.
1669 2012-01-08 Jan Hubicka <jh@suse.cz>
1671 PR tree-optimize/51694
1672 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1674 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1676 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1677 for -std=c++98 and -std=c++11 too.
1679 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1681 * cfgloop.c (cancel_loop): Add free() of bbs array.
1683 2012-01-07 Jan Hubicka <jh@suse.cz>
1685 PR tree-optimization/51600
1686 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1687 that benefits small functions.
1689 2012-01-07 Jan Hubicka <jh@suse.cz>
1691 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1693 2012-01-07 Jan Hubicka <jh@suse.cz>
1695 PR tree-optimization/51680
1696 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1697 whose inlining reduce unit size.
1699 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1702 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1703 Add canonical node to containing_mem chain after the non-canonical
1704 one, even if there weren't any locs to propagate.
1705 (remove_useless_values): Keep only canonical values.
1706 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1707 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1708 canonicalize mem_chain elements that are not discarded.
1710 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1713 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1714 before emitting functions.
1716 PR gcov-profile/50127
1717 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1718 clear_aux_for_blocks.
1720 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1723 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1725 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1727 * c-decl.c (ext_block): Moved up.
1728 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1730 2012-01-06 Han Shen <shenhan@google.com>
1732 Translate built-in include paths for sysroot.
1733 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1734 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1736 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1737 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1739 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1740 control whether sysroot should be prepended to gxx include dir.
1742 * configure: Regenerate.
1744 2012-01-06 Torvald Riegel <triegel@redhat.com>
1746 PR rtl-optimization/51771
1747 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1748 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1750 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1752 PR tree-optimization/51315
1753 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1754 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1756 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1759 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1760 for shrp pattern. Correctly handle and fixup shift variable.
1761 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1763 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1766 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1767 note when !ACCUMULATE_OUTGOING_ARGS.
1769 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1771 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1773 (extract_range_from_unary_expr_1): Avoid useless computations.
1775 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1777 PR rtl-optimization/51767
1778 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1779 of jump_block and add an extra edge for degenerated asm gotos.
1782 * stmt.c (check_unique_operand_names): Don't ICE during error
1783 reporting if i is from labels chain.
1786 * profile.c (branch_prob): Split bbs that have exit edge
1787 and need a fake entry edge too.
1789 2012-01-05 Jan Hubicka <jh@suse.cz>
1792 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1795 2012-01-05 Richard Guenther <rguenther@suse.de>
1798 * tree-streamer-out.c (write_ts_optimization): New function.
1799 (streamer_write_tree_body): Call it.
1800 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1801 (streamer_read_tree_body): Call it.
1802 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1804 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1807 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1808 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1809 in_cleanup_point_expr before gimplify_stmt call and restore it
1811 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1812 in_cleanup_point_expr is false.
1814 2012-01-05 Richard Guenther <rguenther@suse.de>
1817 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1819 * toplev.c (process_options): Reject combining mudflap and LTO.
1820 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1822 2012-01-05 Richard Guenther <rguenther@suse.de>
1824 PR tree-optimization/51760
1825 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1827 (bit_value_unop): Handle UNDEFINED operands.
1828 (bit_value_binop): Likewise.
1830 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1832 * config/avr/avr.c (avr_replace_prefix): Remove.
1833 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1834 (avr_asm_function_rodata_section): Ditto.
1835 (avr_asm_select_section): Ditto.
1837 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1839 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1842 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1845 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1846 calls that have any non-fake successor edges.
1849 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1851 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1853 PR tree-optimization/51624
1854 * tree-sra.c (build_ref_for_model): When replicating a chain of
1855 COMPONENT_REFs, stop as soon as the offset would become negative.
1857 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1860 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1861 in .debug_loc on the floor.
1863 2012-01-04 Andrew Pinski <apinski@cavium.com>
1865 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1867 2012-01-04 Andrew Pinski <apinski@cavium.com>
1868 Adam Nemet <anemet@caviumnetworks.com>
1870 * config/mips/mips.md (size): Add SI and DI.
1871 (SIZE): New mode attribute.
1872 (U): New code attribute.
1873 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1874 (mips_lbux_<mode>): Delete.
1875 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1876 (mips_lhx): Use gen_mips_lhx_extsi.
1877 (mips_lhx_<mode>): Delete.
1879 (mips_l<size>x): New expand.
1880 (mips_lwx_<mode>): Delete.
1881 (mips_l<GPR:size>x_<P:mode>): New pattern.
1882 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1883 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1884 * config/mips/mips.c (mips_lx_address_p): New function.
1885 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1886 (dsp64): New availability predicate.
1887 (mips_builtins): Add an entry for __builtin_mips_ldx.
1888 * config/mips/mips.h (ISA_HAS_LBX): New define.
1889 (ISA_HAS_LBUX): Likewise.
1890 (ISA_HAS_LHX): Likewise.
1891 (ISA_HAS_LHUX): Likewise.
1892 (ISA_HAS_LWX): Likewise.
1893 (ISA_HAS_LWUX): Likewise.
1894 (ISA_HAS_LDX): Likewise.
1895 * doc/extend.texi (__builtin_mips_ldx): Document.
1897 2012-01-04 Tristan Gingold <gingold@adacore.com>
1899 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1900 when long pointers are used.
1901 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1902 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1903 (ia64-hp-*vms*): Remove.
1904 * config/vms/xm-vms64.h: Delete.
1906 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1909 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1911 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1913 * opts.c (finish_options): Remove duplicate sorry.
1915 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1918 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1921 2012-01-04 Richard Guenther <rguenther@suse.de>
1924 * tree.c (size_low_cst): New function.
1925 * tree.h (size_low_cst): Declare.
1926 * fold-const.c (fold_comparison): Use it to extract the low
1927 part of the POINTER_PLUS_EXPR offset.
1929 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1931 Fix clearing ZERO_REG
1932 * config/avr/avr.md (cc): Add alternative "ldi".
1933 (movqi_insn): Use it in cc attribute.
1934 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1935 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1936 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1938 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1940 * configure: Regenerate.
1942 2012-01-04 Richard Guenther <rguenther@suse.de>
1944 PR tree-optimization/49651
1945 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1946 (var_can_have_subvars): Use it.
1947 (get_constraint_for_1): Only consider subfields if there can be any.
1949 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1952 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1953 to its new canonical_cselib_val and the cselib_val was in
1954 first_containing_mem chain, but the canonical_cselib_val was not,
1955 add the latter into the chain.
1956 (cselib_invalidate_mem): Compare canonical_cselib_val of
1957 addr_list chain elt with v.
1960 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1961 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1963 (output_macinfo_op): Don't ggc_strdup fd->filename.
1964 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1965 then ggc_strdup it. Don't free inc->info or cur->info.
1966 (output_macinfo): Don't free ref->info or file->info.
1968 2012-01-03 Ira Rosen <irar@il.ibm.com>
1970 PR tree-optimization/51269
1971 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1972 first_niters a pointer.
1973 (slpeel_tree_peel_loop_to_edge): Likewise.
1974 (vect_do_peeling_for_loop_bound): Update call to
1975 slpeel_tree_peel_loop_to_edge.
1976 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1977 here. Remove it from the parameters list.
1978 (vect_do_peeling_for_alignment): Update calls and compute
1981 2012-01-03 Richard Guenther <rguenther@suse.de>
1983 PR tree-optimization/51070
1984 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1985 Properly handle calls.
1987 2012-01-03 Richard Guenther <rguenther@suse.de>
1989 PR tree-optimization/51692
1990 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1991 the LHS of allocation stmts.
1993 2012-01-03 Olivier Hainque <hainque@adacore.com>
1995 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1997 2012-01-03 Olivier Hainque <hainque@adacore.com>
1999 * collect2.c (main): In AIX specific computations for vector
2000 insertions, use CONST_CAST2 to cast from char ** to const char **.
2002 2012-01-03 Richard Guenther <rguenther@suse.de>
2005 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2006 the context of a limbo DIE when it does not already exist.
2008 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2010 PR tree-optimization/51719
2011 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2012 but direct call is, clear direct call's lhs and don't add fallthrough
2013 edge from dcall_bb to join_bb and PHIs.
2015 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2017 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2018 the instructions emitted by the pattern.
2019 ("*TDC_insn_<mode>"): Add comment.
2021 2012-01-03 Richard Guenther <rguenther@suse.de>
2024 * fold-const.c (fold_comparison): Properly canonicalize
2025 tree offset and HOST_WIDE_INT bit position.
2027 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2029 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2030 operands for extzv pattern.
2032 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2035 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2038 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2040 * doc/invoke.texi (-flto and related options): Copy-edit.
2042 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2044 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2046 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2048 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2051 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2053 * expr.h (move_by_pieces_ninsns): Declare.
2054 * expr.c (move_by_pieces_ninsns): Make external.
2055 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2056 (mips_store_by_pieces_p): Likewise.
2057 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2058 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2059 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2060 (mips_store_by_pieces_p): Likewise.
2062 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2064 * passes.c (register_one_dump_file): Free full_name.
2066 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2067 (calculate_elim_costs_all_insns): Free offsets_at and
2068 offsets_known_at at the end and clear the pointers.
2070 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2072 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2073 this option introduced in r180739.
2075 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2078 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2079 (tmake_file target=avr): Add avr/t-multilib.
2081 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2082 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2083 * config/avr/genmultilib.awk: New file.
2084 * config/avr/t-multilib: New auto-generated file.
2085 * config/avr/multilib.h: New auto-generated file.
2086 * config/avr/t-avr (AVR_MCUS): New variable.
2087 (genopt.sh): Use it.
2088 (s-mlib): Depend on t-multilib.
2089 (t-multilib, multilib.h): New dependencies.
2090 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2091 (MULTILIB_OPTIONS): Remove.
2092 (MULTILIB_MATCHES): Remove.
2093 (MULTILIB_DIRNAMES): Remove.
2094 (MULTILIB_EXCEPTIONS): Remove:
2095 * config/avr/genopt.sh: Don't use hard coded file name;
2096 pass AVR_MCUS from t-avr instead.
2098 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2100 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2102 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2104 Implement light-weight DImode support.
2105 * config/avr/avr-dimode.md: New file.
2106 * config/avr/avr.md: Include it.
2107 (adjust_len): Add plus64, compare64.
2108 (HIDI): Remove code iterator.
2109 (code_stdname): New code attribute.
2110 (rotx, rotsmode): Remove DI.
2111 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2113 * config/avr/avr-protos.h (avr_have_dimode): New.
2114 (avr_out_plus64, avr_out_compare64): New.
2115 * config/avr/avr.c (avr_out_compare): Handle DImode.
2116 (avr_have_dimode): New variable definition and initialization.
2117 (avr_out_compare64, avr_out_plus64): New functions.
2118 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2119 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2120 (avr_compare_pattern): Skip DImode comparisons.
2122 2012-01-02 Revital Eres <revital.eres@linaro.org>
2124 * ddg.c (def_has_ccmode_p): New function.
2125 (add_cross_iteration_register_deps,
2126 create_ddg_dep_from_intra_loop_link): Call it.
2128 2012-01-02 Richard Guenther <rguenther@suse.de>
2131 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2133 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2135 * gcc.c (process_command): Update copyright notice dates.
2136 * gcov.c (print_version): Likewise.
2137 * gcov-dump.c (print_version): Likewise.
2138 * mips-tfile.c (main): Likewise.
2139 * mips-tdump.c (main): Likewise.
2141 2012-01-01 Ira Rosen <irar@il.ibm.com>
2143 PR tree-optimization/51704
2144 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2145 a use is inside the basic block or loop before accessing its vect info.
2147 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2149 PR rtl-optimization/51069
2150 * cfgloopmanip.c (remove_path): Removing path making irreducible
2151 region unconditional makes BB part of the region.
2153 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2155 PR tree-optimization/51683
2156 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2157 calls with side-effects.
2158 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2160 Copyright (C) 2012 Free Software Foundation, Inc.
2162 Copying and distribution of this file, with or without modification,
2163 are permitted in any medium without royalty provided the copyright
2164 notice and this notice are preserved.