1 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
3 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
4 message for -mno-pointers-to-nested-function.
6 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
9 * expr.c (get_inner_reference): If there is an offset, add a negative
10 bit position to it (if any).
12 2012-02-07 Jakub Jelinek <jakub@redhat.com>
14 PR rtl-optimization/52060
15 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
16 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
17 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
18 and/or i0src_copy2 when needed.
20 2012-02-07 Jakub Jelinek <jakub@redhat.com>
22 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
23 or LTOPLUGINSONAME if have_c.
25 * config/freebsd-spec.h: Add comment about what macros can be defined
27 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
28 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
31 2012-02-07 Richard Guenther <rguenther@suse.de>
33 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
34 newline in -alias dumps.
36 2012-02-07 Kai Tietz <ktietz@redhat.com>
37 Dave Korn <dave.korn.cygwin@gmail.com>
40 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
41 Take care that typinfo gets dllexport-attribute.
43 2012-02-07 Jakub Jelinek <jakub@redhat.com>
46 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
47 if modifier < EXPAND_SUM call force_operand on the result.
49 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
51 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
52 adding __forwarder_dst__ prefix if a forwarder_section attribute is
54 (epiphany_function_type): Replace types for specific interrupts with
55 EPIPHANY_FUNCTION_INTERRUPT.
56 (EPIPHANY_INTERRUPT_P): Update.
57 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
59 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
60 <disinterrupt>: Affects type identity.
61 (epiphany_handle_interrupt_attribute): Handle variable number of
63 (epiphany_compute_function_type): Update for new
64 epiphany_function_type definition.
65 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
66 handlers with a longcall forwarder.
67 (epiphany_start_function): Handle multiple interrupt arguments and/or
68 forwarder_section attribute.
70 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
72 2012-02-07 Alan Modra <amodra@gmail.com>
75 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
78 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
80 PR tree-optimization/50969
81 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
82 use vec_perm rather than vector_stmt.
83 (vect_model_load_cost): Likewise.
84 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
85 vec_perm to be the same as other vector statements.
86 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
87 cost of vec_perm for TARGET_VSX.
89 2012-02-06 Richard Guenther <rguenther@suse.de>
91 PR tree-optimization/52115
92 * tree-sra.c (access_has_replacements_p): New function.
93 (sra_modify_assign): Use it to decide whether a use is uninitialized.
95 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
98 * trans-mem.c (expand_call_tm): Add an assertion.
99 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
102 2012-02-06 Richard Guenther <rguenther@suse.de>
104 PR tree-optimization/50955
105 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
106 raise cost of expressions that replace an address with an
107 expression based on a different pointer.
109 2012-02-06 Jakub Jelinek <jakub@redhat.com>
112 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
113 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
115 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
118 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
119 -Weffc++ and specify guidelines come from second edition.
121 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
123 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
124 (sibcall_value_multiple_internal, call_split, call_internal_direct)
125 (call_direct_split, call_value_split, call_value_internal_direct)
126 (call_value_direct_split, call_value_multiple_split): Use jal and
127 jal_macro attributes.
129 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
131 * reload1.c (reload_regs_reach_end_p): Replace with...
132 (reload_reg_rtx_reaches_end_p): ...this function.
133 (new_spill_reg_store): Update commentary.
134 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
135 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
136 before setting new_spill_reg_store.
137 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
138 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
139 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
140 for non-spill reload registers.
142 2012-02-05 Ira Rosen <irar@il.ibm.com>
144 PR tree-optimization/52091
145 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
146 (vect_is_simple_use_1): Likewise.
147 * tree-vect-loop.c (vectorizable_reduction): Update calls
148 to vect_is_simple_use_1 and vect_is_simple_use.
149 (vectorizable_live_operation): Likewise.
150 * tree-vect-patterns.c (widened_name_p,
151 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
153 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
154 vectorizable_call, vectorizable_conversion,
155 vectorizable_assignment, vectorizable_shift,
156 vectorizable_operation, vectorizable_store, vectorizable_load):
158 (vect_is_simple_cond): Add an argument, pass it to
159 vect_is_simple_use_1.
160 (vectorizable_condition): Update calls to vect_is_simple_cond,
162 (vect_is_simple_use): Add an argument, the statement in which
163 OPERAND is used. Check that if OPERAND's def stmt is a double
164 reduction phi node, the use is a phi node too.
165 (vect_is_simple_use_1): Add an argument, pass it to
167 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
168 to vect_is_simple_use.
170 2012-02-04 Jakub Jelinek <jakub@redhat.com>
172 PR rtl-optimization/52095
173 * modulo-sched.c (dump_insn_locator): New function.
174 (loop_canon_p, sms_schedule): Use it.
176 PR rtl-optimization/52113
177 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
178 even for decomposable shift/zext insns.
180 2012-02-03 Jakub Jelinek <jakub@redhat.com>
181 Zdenek Dvorak <ook@ucw.cz>
183 PR rtl-optimization/52092
184 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
185 on get_iv_value result.
187 2012-02-02 Andrew Pinski <apinski@cavium.com>
191 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
193 2012-02-02 Jakub Jelinek <jakub@redhat.com>
196 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
198 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
200 PR rtl-optimization/49800
201 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
202 (sched_finish): Call regstat_free_n_sets_and_refs.
204 2012-02-02 Jia Liu <proljc@gmail.com>
206 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
209 2012-02-02 Jan Hubicka <jh@suse.cz>
210 Tom de Vries <tom@codesourcery.com>
213 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
214 * varpool.c (varpool_analyze_pending_decls): Likewise.
216 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
217 Jayant R Sonar <jayant.sonar@kpitcummins.com>
219 * config.gcc: Add cr16-* support.
221 * doc/extend.texi: Document cr16 extensions.
222 * doc/install.texi: Document cr16 install.
223 * doc/invoke.texi: Document cr16 options.
224 * doc/md.texi: Document cr16 constraints.
226 * common/config/cr16/cr16-common.c: New file.
227 * config/cr16/cr16.c: New file.
228 * config/cr16/cr16.h: New file.
229 * config/cr16/cr16.md: New file.
230 * config/cr16/cr16.opt: New file.
231 * config/cr16/cr16-protos.h: New file.
232 * config/cr16/predicates.md: New file.
233 * config/cr16/constraints.md: New file.
234 * config/cr16/t-cr16: New file.
236 2012-02-02 Jakub Jelinek <jakub@redhat.com>
239 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
240 that operands[2] is either immediate, or q_regs_operand.
242 PR tree-optimization/52073
243 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
244 a pattern stmt for pattern uses, ignore uses outside of the loop.
246 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
248 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
249 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
250 (OUT_AS1, OUT_AS2): Remove.
252 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
254 PR rtl-optimization/51374
255 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
256 to cross other volatile_refs_p insns.
258 2012-02-01 Richard Guenther <rguenther@suse.de>
260 * doc/invoke.texi (fno-inline): Clarify documentation.
261 (finline-small-functions): Likewise.
262 (finline-functions): Likewise.
263 * common.opt (finline): Adjust comment and documentation.
264 (finline-small-functions): Clarify documentation.
265 (finline-functions): Likewise.
266 (finline-functions-called-once): Likewise.
268 2012-02-01 Tristan Gingold <gingold@adacore.com>
270 * c-typeck.c (composite_type): Keep mode for pointers.
272 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
274 * function.h (regno_reg_rtx): Adjust comment.
275 * reginfo.c (init_reg_modes_target): Only use the previous mode
276 if it fits within one register. Remove MIPS comment.
278 2012-01-31 Jakub Jelinek <jakub@redhat.com>
281 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
283 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
285 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
288 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
290 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
293 2012-01-31 Jakub Jelinek <jakub@redhat.com>
298 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
300 2012-01-31 Richard Guenther <rguenther@suse.de>
302 PR tree-optimization/51528
303 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
306 2012-01-31 Jakub Jelinek <jakub@redhat.com>
311 * ree.c (add_removable_extension): Change def_map argument
312 to unsigned *, store in def_map 1 + offset into *insn_list vector
313 instead of pointers into the vector.
314 (find_removable_extensions): Adjust caller.
316 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
318 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
319 Transform all "* quoted-c-code" to { c-code }.
320 Remove redundant test for "optimize" in combine patterns.
321 Move (include "avr-dimode.md") to end of file.
323 2012-01-30 Bin Cheng <bin.cheng@arm.com>
326 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
327 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
329 2012-01-30 Richard Guenther <rguenther@suse.de>
331 PR tree-optimization/52028
332 * tree-loop-distribution.c (ldist_gen): Properly update
335 2012-01-30 Jakub Jelinek <jakub@redhat.com>
338 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
339 set_cur_line_info_table if not emitting debug info.
341 PR tree-optimization/52046
342 * tree-vect-patterns.c (check_bool_pattern): Give up if
343 a comparison could throw.
346 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
348 2012-01-30 Richard Guenther <rguenther@suse.de>
350 PR tree-optimization/52045
351 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
352 SSA form if cfgcleanup did anything.
354 2012-01-30 Richard Guenther <rguenther@suse.de>
356 PR tree-optimization/52045
357 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
358 before computing final todo.
360 2012-01-30 Richard Guenther <rguenther@suse.de>
362 PR tree-optimization/51528
363 * tree-sra.c (sra_modify_assign): Re-factor in preparation
366 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
368 * df-problems.c (df_kill_notes): Check that the use refers
369 to the note under examination.
371 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
374 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
375 parameter and use short-lived pseudos.
376 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
377 (sparc_expand_vector_init): Const-ify local variables and adjust
378 calls to above functions.
380 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
382 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
384 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
386 * doc/invoke.texi: Make usage of "compile time" and
387 "run time"/"runtime" consistent throughout the file.
389 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
391 * config/alpha/alpha.c (alpha_option_overrride): Default to
392 full IEEE compliance mode for Go language.
394 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
396 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
397 (LINK_SSP_SPEC): Define.
399 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
402 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
405 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
407 * doc/invoke.texi: Correct hyphenation of "floating point",
408 "double precision", and related terminology throughout the file.
410 2012-01-28 Jakub Jelinek <jakub@redhat.com>
413 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
414 arm_general_register_operand predicate for operand 2 instead of
417 2012-01-27 Ian Lance Taylor <iant@google.com>
420 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
421 * builtins.c (expand_builtin_init_trampoline): Add onstack
422 parameter. Change caller.
423 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
424 * tree.c (build_common_builtin_nodes): Declare
425 __builtin_init_heap_trampoline.
427 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
429 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
430 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
431 * config/avr/avr.c: Ditto.
432 (avr_regnames): Remove because unused.
433 * config/avr/avr.md (*cpse.ne): New peephole.
434 (*cpse.eq): New peephole from former cpse peepholes.
436 2012-01-27 Michael Eager <eager@eagercon.com>
438 * config/microblaze.c (microblaze_emit_compare): Correct
439 test after pcmp instruction.
441 2012-01-27 Richard Guenther <rguenther@suse.de>
443 PR tree-optimization/52020
444 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
446 2012-01-27 Richard Guenther <rguenther@suse.de>
448 * ipa-pure-const.c (check_stmt): Clobbers do not make a
449 function non-const/pure.
451 2012-01-27 Richard Guenther <rguenther@suse.de>
453 PR tree-optimization/50444
454 * tree-sra.c (build_ref_for_offset): Properly adjust the
455 MEM_REF type for unaligned accesses.
457 2012-01-27 Richard Guenther <rguenther@suse.de>
459 PR tree-optimization/50444
460 * expr.c (mem_ref_refers_to_non_mem_p): New function.
461 (expand_assignment): Use it. Properly handle misaligned
462 bases when expanding stores to component references.
463 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
466 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
469 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
470 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
471 * tree-data-ref.c (find_data_references_in_loop): Make static.
472 (compute_all_dependences): Change return type to bool. Bail out
473 for too many datarefs in a loop. Move the hunk resetting the data
474 dependences vector from ...
475 (compute_data_dependences_for_loop): ... here. Account for
476 compute_all_dependences returning false.
477 (compute_data_dependences_for_bb): Likewise.
478 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
479 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
481 2012-01-27 Richard Guenther <rguenther@suse.de>
484 * expr.c (store_field): Use the alias-set of the scratch memory
487 2012-01-27 Tom de Vries <tom@codesourcery.com>
489 PR tree-optimization/51990
490 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
492 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
494 2012-01-27 Jakub Jelinek <jakub@redhat.com>
497 * var-tracking.c (reverse_op): Don't add any reverse operation
498 if V already has any constant locations.
500 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
502 * doc/invoke.texi: Correct usage of "command line" (noun)
503 vs "command-line" (adjective) throughout.
505 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
507 * doc/invoke.texi (Language Independent Options): Move
508 -Wcoverage-mismatch blurb from here....
509 (Warning Options): ...to here.
511 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
513 * config/rs6000/rs6000.c (rs6000_option_override_internal):
514 Set rs6000_always_hint to false for 476.
516 2012-01-27 Matthias Klose <doko@ubuntu.com>
518 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
520 * incpath.c (add_standard_paths): Likewise.
522 2012-01-27 Richard Henderson <rth@redhat.com>
524 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
525 * config/m68k/sync.md (atomic_test_and_set): Rename from
526 sync_test_and_setqi and adjust the operands.
527 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
528 and unconditionally enable.
530 2012-01-27 Richard Henderson <rth@redhat.com>
532 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
533 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
534 (ldstub): Rename from ldstubqi.
535 (ldstub<I24MODE>): Remove.
537 2012-01-27 Richard Henderson <rth@redhat.com>
539 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
540 * c-cppbuiltin.c (cpp_atomic_builtins): Define
541 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
542 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
543 * doc/tm.texi: Rebuild.
545 2012-01-27 Richard Henderson <rth@redhat.com>
547 * optabs.c (gen_atomic_test_and_set): Remove default.
548 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
550 2012-01-26 Jakub Jelinek <jakub@redhat.com>
552 PR rtl-optimization/51978
553 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
554 (combine_reaching_defs): Likewise.
555 (struct re_info): Remove.
556 (add_removable_extension): Remove x and data arguments,
557 add insn, insn_list and def_map. Use the arguments directly
558 instead of using struct re_info.
559 (find_removable_extensions): Don't call add_removable_extension
560 through note_stores, instead just call it with single_set
562 (find_and_remove_re): Pass curr_cand->expr instead of
563 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
565 2012-01-26 Michael Matz <matz@suse.de>
567 PR tree-optimization/46590
568 * cfgexpand.c: Revert last change (r183305).
569 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
571 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
572 checking for emptiness.
574 2012-01-26 Jakub Jelinek <jakub@redhat.com>
577 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
578 non-addressable non-BLKmode base correctly.
580 2012-01-26 Michael Matz <matz@suse.de>
582 PR tree-optimization/48794
583 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
584 regions referenced from RESX/EH_DISPATCH.
586 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
588 * config/s390/s390.h: Make BRANCH_COST an option.
589 * config/s390/s390.opt: New option -mbranch-cost.
591 2012-01-26 Richard Henderson <rth@redhat.com>
593 Revert 2012-01-24 change:
594 * trans-mem.c (requires_barrier): Do not instrument thread local
595 variables and emit save/restore for them.
597 2012-01-25 Jakub Jelinek <jakub@redhat.com>
600 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
603 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
605 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
608 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
611 Rename __pgm to __flash.
612 Rename __pgm1 to __flash1.
613 Rename __pgm2 to __flash2.
614 Rename __pgm3 to __flash3.
615 Rename __pgm4 to __flash4.
616 Rename __pgm5 to __flash5.
617 Rename __pgmx to __memx.
618 * doc/extend.texi (AVR Named Address Spaces)
619 Rename address space names as indicated above.
620 * config/avr/avr.c (avr_addrspace): Ditto.
622 * config/avr/avr-protos.h
623 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
624 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
625 * config/avr/predicates.md: Ditto.
626 * config/avr/avr.c Ditto, and
627 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
628 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
630 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
631 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
632 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
633 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
634 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
635 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
636 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
637 * config/avr/avr.c: Ditto.
638 * config/avr/avr.md: Ditto.
640 2012-01-25 Jason Merrill <jason@redhat.com>
643 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
645 2012-01-25 Jakub Jelinek <jakub@redhat.com>
647 PR tree-optimization/51987
648 * tree-data-ref.c (get_references_in_stmt): Handle references in
649 non-volatile GIMPLE_ASM.
651 2012-01-25 Richard Guenther <rguenther@suse.de>
653 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
654 bases are dereferenced.
656 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
658 PR rtl-optimization/48374
659 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
661 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
663 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
664 compute_data_dependences_for_loop returns false.
665 * tree-parloops.c (loop_parallel_p): Likewise.
667 2012-01-25 Richard Guenther <rguenther@suse.de>
669 * tree.h (get_pointer_alignment_1): Declare.
670 * builtins.c (get_pointer_alignment_1): New function.
671 (get_pointer_alignment): Use it.
673 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
675 PR rtl-optimization/48308
676 * combine.c (enum undo_kind): Add UNDO_LINKS.
677 (struct undo): Add member l to other_contents and where.
678 (do_SUBST_LINK): New.
680 (try_combine): Handle LOG_LINKS for the dummy i1 case.
681 (undo_all): Handle UNDO_LINKS.
683 2012-01-25 Richard Henderson <rth@redhat.com>
685 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
688 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
690 * optabs.c (gen_atomic_test_and_set): Use each argument.
692 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
694 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
695 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
696 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
697 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
698 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
699 TARGET_PAIRED_SINGLE_FLOAT.
701 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
703 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
704 (in_struct, return_val): Remove MEM documentation.
705 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
706 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
707 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
709 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
710 * cfgexpand.c (add_alias_set_conflicts): Likewise.
711 * expr.c (store_field): Likewise.
712 * function.c (assign_stack_temp_for_type): Likewise.
713 * ifcvt.c (noce_try_cmove_arith): Likewise.
714 * reload1.c (reload): Likewise.
715 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
716 (alpha_set_memflags): Likewise.
717 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
719 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
721 * rtl.h (true_dependence, canon_true_dependence): Remove varies
723 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
724 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
725 (true_dependence_1, true_dependence, canon_true_dependence): Remove
727 * cselib.c (cselib_rtx_varies_p): Delete.
728 (cselib_invalidate_mem): Update call to canon_true_dependence.
729 * dse.c (record_store, check_mem_read_rtx): Likewise.
730 (scan_reads_nospill): Likewise.
731 * cse.c (check_dependence): Likewise.
732 (cse_rtx_varies_p): Delete.
733 * expr.c (safe_from_p): Update call to true_dependence.
734 * ira.c (validate_equiv_mem_from_store): Likewise.
735 (memref_referenced_p): Likewise.
736 * postreload-gcse.c (find_mem_conflicts): Likewise.
737 * sched-deps.c (sched_analyze_2): Likewise.
738 * store-motion.c (load_kills_store): Likewise.
739 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
740 * gcse.c (mems_conflict_for_gcse_p): Likewise.
741 (compute_transp): Update call to canon_true_dependence.
743 2012-01-25 Richard Henderson <rth@redhat.com>
745 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
746 (maybe_emit_atomic_test_and_set): New.
747 (expand_sync_lock_test_and_set): Use it.
748 (expand_atomic_test_and_set): Likewise.
749 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
750 the implementation; clarify implementation defined details.
751 * doc/md.texi (atomic_test_and_set): Document.
753 2012-01-25 Richard Henderson <rth@redhat.com>
755 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
757 2012-01-25 Richard Henderson <rth@redhat.com>
760 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
761 to effect no-op split.
763 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
766 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
767 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
768 (BT_FN_VOID_PTR_INT_SIZE): New.
769 (BT_FN_UINT_UINT_VAR): Remove.
770 (BT_FN_UINT32_UINT32_VAR): New.
771 (BT_FN_DOUBLE_VPTR): Remove.
772 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
774 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
775 (_ITM_changeTransactionMode): Same.
776 (_ITM_memmoveRtWt): Change return type to void.
777 (_ITM_memcpyRtWt): Same.
778 (_ITM_memsetW): Same.
779 (_ITM_RaRD): Change types to double.
784 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
786 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
787 Patrick Marlier <patrick.marlier@gmail.com>
789 * trans-mem.c (requires_barrier): Do not instrument thread local
790 variables and emit save/restore for them.
792 2012-01-24 Jason Merrill <jason@redhat.com>
795 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
796 output static aliases.
798 2012-01-24 Jakub Jelinek <jakub@redhat.com>
801 * common.opt (-pie, -shared, pie, shared): Change from Common to
803 * gcc.c (display_help): Display help for -pie and -shared.
805 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
808 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
809 Remove note on size/offset limitation.
810 (AVR Variable Attributes): Add example how to read data located
811 with progmem. Refer to named address spaces.
812 * doc/invoke.texi (AVR Options): Fix typo.
814 2012-01-24 Richard Guenther <rguenther@suse.de>
816 Forward-port to trunk
817 2010-09-21 Jakub Jelinek <jakub@redhat.com>
820 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
821 op0 isn't sufficiently aligned and there is movmisalignM
822 insn for mode, use it to load op0 into a temporary register.
824 2012-01-24 Jakub Jelinek <jakub@redhat.com>
827 * target.def (const_not_ok_for_debug_p): New hook.
828 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
830 * doc/tm.texi: Regenerated.
831 * dwarf2out.c (const_ok_for_output_1): If
832 targetm.const_not_ok_for_debug_p returns true, fail.
833 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
835 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
837 2012-01-23 Kai Tietz <ktietz@redhat.com>
840 * config/i386/predicates.md (symbolic_operand): Allow
841 UNSPEC_PCREL as PIC expression for lea.
842 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
843 * config/i386/i386.c (ix86_delegitimize_address): Handle
844 UNSPEC_PCREL for none-MEM, too.
846 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
848 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
849 (ipa_tm_create_version_alias): Same.
851 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
854 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
855 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
857 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
858 Patrick Marlier <patrick.marlier@gmail.com>
859 Iain Sandoe <developer@sandoe-acoustics.co.uk>
862 * lto-wrapper.c (run_gcc): Pass the LTO section name to
863 simple_object_start_read.
865 2012-01-23 Richard Guenther <rguenther@suse.de>
868 PR tree-optimization/51895
869 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
870 parameter decomposition into BLKmode components.
872 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
874 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
875 fake variables for restrict-qualified pointers whose pointed-to type
876 contains a placeholder.
878 2012-01-23 Richard Guenther <rguenther@suse.de>
880 PR tree-optimization/51949
881 * ipa-split.c (execute_split_functions): Do not split malloc functions.
883 2012-01-23 Jakub Jelinek <jakub@redhat.com>
885 PR rtl-optimization/51933
886 * ree.c (transform_ifelse): Return true right away if dstreg is
887 already wider or equal to cand->mode.
888 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
889 (make_defs_and_copies_lists): Remove defs_list and copies_list
890 arguments, add state argument, just truncate state->work_list
891 instead of always allocating and freeing the vector. Assert that
892 get_defs succeeds instead of returning 2. Changed return type to bool.
893 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
894 have ext_src_mode, see if it has been modified already with the
895 right kind of extension and has been extended before from the
896 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
897 just return true. Remember the original mode in state->modified array.
898 (combine_reaching_defs): Add state argument. Don't allocate and
899 free here def_list, copied_list and vec vectors, instead just
900 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
901 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
902 Add state variable, clear vectors in it, initialize state.modified
903 if needed. Free all the vectors at the end and state.modified too.
904 Don't skip a candidate if the extension expression has been modified.
906 2012-01-22 Douglas B Rupp <rupp@gnat.com>
909 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
910 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
911 (extra_options) interix.opt -> i386/interix.opt"
912 (extra_objs):Add winnt-stubs.o
913 * configure.ac: Add interix to target_os .comm on PE check.
914 * configure: Regenerate.
915 * config/interix3.h: Delete and move bits to..
916 * config/interix.h: Delete and move bits to..
917 * config/i386/i386-interix3.h: Delete and move bits to..
918 * config/i386/i386-interix.h: ..here.
919 (TARGET_CPU_DEFAULT): Remove redefinition.
920 (TARGET_ASM_CONSTRUCTOR): Undefine.
921 (SUBTARGET_SWITCHES): Define for ms-bitfields.
922 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
923 (PTRDIFF_TYPE): Define.
924 (LONG_DOUBLE_TYPE_SIZE): Define.
925 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
926 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
927 (TARGET_SECTION_TYPE_FLAGS): Define.
928 (ASM_DECLARE_FUNCTION_NAME): Define.
929 (ASM_OUTPUT_EXTERNAL): Define.
930 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
931 (ASM_OUTPUT_ALIGNED_BSS): Define.
932 (PCC_BITFIELD_TYPE_MATTERS): Define.
933 (USE_CONST_SECTION): Define.
934 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
935 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
936 (SUPPORTS_ONE_ONLY): Remove.
937 (I386_PE_STRIP_ENCODING): Define.
938 * config/interix.opt: Delete and move bits to..
939 * config/i386/interix.opt: ..here. New.
940 (mpe-aligned-commons): Add.
941 * config/i386/t-interix: Add copyright header.
942 (winnt-stubs.o): Add rule.
944 2012-01-22 Jason Merrill <jason@redhat.com>
947 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
948 for extra name aliases.
950 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
952 PR rtl-optimization/51924
953 * ree.c (combine_set_extension): Improve debugging message.
954 (combine_reaching_defs): Likewise.
955 (get_defs): Rename confusingly named variable.
956 (find_and_remove_re): Skip a candidate if the extension expression has
959 2012-01-21 Robert Millan <rmh@gnu.org>
960 Gerald Pfeifer <gerald@pfeifer.com>
962 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
963 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
965 2012-01-20 Jakub Jelinek <jakub@redhat.com>
967 PR tree-optimization/51914
968 * tree-vect-stmts.c (vectorizable_conversion): For
969 cvt_type && modifier == WIDEN, put temporary with cvt_type
970 at the beginning of vec_dsts and set vec_dest to temporary
973 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
975 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
977 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
979 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
980 * config/rs6000/rs6000.c: Likewise.
982 2012-01-20 Jakub Jelinek <jakub@redhat.com>
985 * config/arm/arm.c (arm_count_output_move_double_insns): Call
986 output_move_double on a copy of operands array.
988 2012-01-20 Cary Coutant <ccoutant@google.com>
989 Dodji Seketeli <dodji@redhat.com>
992 * dwarf2out.c (copy_declaration_context): Return ref to parent
993 of declaration DIE, if necessary.
994 (remove_child_or_replace_with_skeleton): Add new parameter; update
995 caller. Place skeleton DIE under parent DIE of original declaration.
996 Move call to copy_declaration_context to here ...
997 (break_out_comdat_types): ... from here.
999 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1001 PR rtl-optimization/51856
1002 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1005 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1008 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1009 hints for neon loads and stores.
1011 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1015 * doc/extend.texi (Named Address Spaces): Split into subsections.
1016 (AVR Named Address Spaces): New subsection.
1017 (M32C Named Address Spaces): New subsection.
1018 (RL78 Named Address Spaces): New subsection.
1019 (SPU Named Address Spaces): New subsection.
1020 (Variable Attributes): New anchor "AVR Variable Attributes".
1021 (AVR Variable Attributes): Rewrite and avoid wording
1022 "address space" in this context.
1023 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1024 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1025 (AVR Built-in Macros): New subsubsection therein.
1026 * doc/md.texi (AVR constraints): Remove "C04", "R".
1028 2012-01-20 Richard Guenther <rguenther@suse.de>
1030 PR tree-optimization/51903
1031 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1032 when removing stmts.
1034 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1037 * config/arm/arm.c (arm_load_pic_register): Use
1038 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1039 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1040 (arm_pic_static_addr): Likewise.
1041 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1042 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1043 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1044 (pic_load_addr_unified): New.
1046 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1049 * function.c (instantiate_virtual_regs_in_insn): Use
1050 delete_insn_and_edges when removing a wrong asm insn.
1052 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1054 PR rtl-optimization/40761
1055 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1056 Add new member loop_num.
1057 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1058 (ira_build): Remove the parameter.
1060 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1061 (ira.c): Do not build CFG loops for one region allocation. Remove
1062 argument from ira_build call.
1064 * ira-build.c (init_loop_tree_node): New function.
1065 (create_loop_tree_nodes): Use it. Separate the case when CFG
1066 loops are not built.
1067 (more_one_region_p): Check current_loops.
1068 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1070 (add_loop_to_tree): Process loop equal to NULL too.
1071 (form_loop_tree): Separate the case when CFG loops are not built.
1072 Use explicitly number for the root.
1073 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1075 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1076 instead of loop->num.
1077 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1078 (mark_all_loops_for_removal): Ditto.
1079 (remove_unnecessary_regions): Separate the case when CFG loops
1081 (ira_build): Remove the parameter. Use explicit number of regions
1082 when CFG loops are not built.
1084 * ira-color.c (print_loop_title): Separate the case for the root node.
1085 Use loop_num instead of loop->num.
1086 (move_spill_restore): Use loop_num instead of loop->num.
1088 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1089 (change_loop): Ditto.
1090 (change_loop): Use loop_num instead of loop->num.
1092 * ira-lives.c (process_bb_node_lives): Ditto.
1094 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1096 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1098 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1101 * tree-mudflap.c (mf_artificial): New function.
1102 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1103 mx_register_decls, mudflap_enqueue_decl): Use it.
1106 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1107 numbers in the insn pattern.
1109 2012-01-19 Michael Matz <matz@suse.de>
1111 PR tree-optimization/46590
1112 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1113 use it in remembering which conflicts we already created.
1114 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1117 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1120 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1121 (merge_and_complain): Same.
1123 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1126 * config/initfini-array.h: Guard content of the header
1127 with #ifdef HAVE_INITFINI_ARRAY.
1128 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1129 Add initfini-array.h to tm_file here.
1130 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1131 * config.gcc: Don't add initfini-array.h to tm_file here.
1132 * configure: Regenerated.
1134 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1136 PR rtl-optimization/51505
1137 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1138 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1139 (df_note_bb_compute): Update the call to df_kill_notes.
1141 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1143 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1145 2012-01-18 Richard Guenther <rguenther@suse.de>
1147 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1148 of conversions to void *.
1150 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1151 Richard Sandiford <rdsandiford@googlemail.com>
1155 * optabs.h (simplify_expand_binop): Declare.
1156 * optabs.c (simplify_expand_binop): Make global.
1157 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1158 endian targets if the source cannot be exactly covered by word
1161 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1164 * hard-reg-set.h (struct hard_reg_set_container): New type.
1165 * target.h (struct hard_reg_set_container): Forward declare.
1166 * target.def (set_up_by_prologue): New target hook.
1167 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1168 * doc/tm.texi: Regenerated.
1169 * function.c (thread_prologue_and_epilogue_insns): Change
1170 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1171 Call targetm.set_up_by_prologue on it.
1172 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1173 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1175 2012-01-17 Nick Clifton <nickc@redhat.com>
1177 * config/rx/rx.c (rx_can_use_simple_return): New function.
1178 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1179 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1181 2012-01-17 Richard Guenther <rguenther@suse.de>
1184 * expr.c (expand_assignment): Take address-space information
1185 from the address operand of MEM_REF and TARGET_MEM_REF.
1186 (expand_expr_real_1): Likewise.
1188 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1190 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1191 reload dump is requested.
1193 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1196 * trans-mem.c (requires_barrier): Call may_be_aliased.
1198 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1200 PR tree-optimization/51877
1201 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1202 call arguments and fndecls compare equal, instead return false if they
1203 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1204 both SSA_NAMEs that are valueized the same, or they satisfy
1207 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1209 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1211 * configure: Regenerate.
1213 2012-01-16 Jan Hubicka <jh@suse.cz>
1217 * convert.c (convert_to_integer): Use fold_convert for
1218 converting an INTEGER_CST to integer type.
1220 2012-01-16 Jason Merrill <jason@redhat.com>
1223 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1225 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1228 * config/s390/s390.c (s390_chunkify_start): Don't skip
1229 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1230 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1231 If insn is followed by NOTE_INSN_VAR_LOCATION or
1232 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1233 Don't use location of note insns.
1235 PR tree-optimization/51865
1236 * tree-inline.c (tree_function_versioning): Call remap_decl
1237 on DECL_RESULT whenever it has VOID_TYPE_P type.
1239 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1241 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1242 for calls to locally-binding MIPS16 functions if only the return
1243 type uses float regs.
1245 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1246 Richard Sandiford <rdsandiford@googlemail.com>
1248 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1249 (SYMBOL_32_HIGH): Likewise.
1250 (mips_output_tls_reloc_directive): Declare.
1251 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1252 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1253 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1254 (mips_lo_relocs, mips_hi_relocs): Make extern.
1255 (mips16_stub_function): Move up file.
1256 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1257 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1258 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1259 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1260 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1261 (mips_get_tp): Add MIPS16 support.
1262 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1263 Generalize DTPREL and TPREL handling.
1264 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1265 Add MIPS16 TLS support.
1266 (mips_output_tls_reloc_directive): New function.
1267 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1268 * config/mips/predicates.md (symbolic_operand_with_high)
1269 (tls_reloc_operand): New predicates.
1270 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1271 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1272 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1273 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1274 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1275 (*tls_get_tp_mips16_call_<mode>): Likewise.
1277 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1279 PR rtl-optimization/51821
1280 * recog.c (peep2_find_free_register): Determine clobbered registers
1283 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1286 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1287 * config/avr/avr.c: Likewise.
1288 * config/avr/avr.h: Likewise.
1290 2012-01-13 Ian Lance Taylor <iant@google.com>
1293 * tree.h (TYPE_QUALS): Add cast to int.
1294 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1296 2012-01-13 Ian Lance Taylor <iant@google.com>
1298 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1299 comparing param_index to VEC_length result.
1301 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1303 * c-decl.c: Do not include tree-mudflap.h
1304 * tree-optimize.c: Likewise.
1305 * Makefile.in: Update dependencies.
1307 2012-01-13 Richard Guenther <rguenther@suse.de>
1310 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1311 variable-sized result always use RSO.
1313 2012-01-12 DJ Delorie <dj@redhat.com>
1315 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1316 pointer type, not just the default pointer type.
1318 2012-01-09 Richard Henderson <rth@redhat.com>
1319 Denis Chertykov <chertykov@gmail.com>
1322 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1323 * config/avr/avr.c (avr_can_eliminate): Simplify.
1324 (avr_initial_elimination_offset): Likewise.
1325 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1326 (expand_epilogue): Likewise.
1327 (avr_legitimize_address): Gut.
1328 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1329 (avr_hard_regno_nregs): New.
1330 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1331 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1332 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1333 add soft frame pointer.
1334 (CALL_USED_REGISTERS): Likewise.
1335 (REG_CLASS_CONTENTS): Likewise.
1336 (REGISTER_NAMES): Likewise.
1337 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1338 (HARD_FRAME_POINTER_REGNUM): New.
1339 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1340 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1341 remove the HARD_FRAME_POINTER self-elimination.
1343 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1346 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1347 DECL_EXTERNAL when checking for initializers of progmem variables.
1349 2012-01-12 Ira Rosen <irar@il.ibm.com>
1351 PR tree-optimization/51799
1352 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1353 that the last operation is a type demotion.
1355 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1357 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1358 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1360 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1363 * combine.c (distribute_notes): If i3 is a noreturn call,
1364 allow old_size to be equal to args_size and make sure the
1365 noreturn call gets REG_ARGS_SIZE note.
1366 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1367 on noreturn calls even when the delta is 0.
1369 2012-01-11 Nathan Sidwell <nathan@acm.org>
1371 * gcov.c (STRING_SIZE): Remove.
1372 (generate_results): Erase annotations for source files with no
1373 coverage information.
1375 (output_lines): Use it.
1377 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1379 * gimple.h (gimplify_body): Remove first argument.
1380 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1381 pointer set here, instead just pass DATA to walk_tree.
1382 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1383 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1384 (unvisit_body): Likewise, but with unmark_visited.
1385 (gimplify_body): Remove BODY_P argument and adjust.
1386 (gimplify_function_tree): Adjust call to gimplify_body.
1387 * omp-low.c (finalize_task_copyfn): Likewise.
1389 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1391 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1392 (build_function_type_skip_args): Delete.
1393 * tree.c (build_function_type_skip_args): Make static and add
1394 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1395 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1396 pass it to build_function_type_skip_args.
1397 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1398 (tree_function_versioning): Likewise.
1399 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1400 build_function_decl_skip_args.
1401 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1402 and pass it to build_function_decl_skip_args/tree_function_versioning.
1403 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1404 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1405 * trans-mem.c (ipa_tm_create_version): Likewise.
1406 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1407 * tree-inline.c (declare_return_variable): Remove always-true test.
1408 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1409 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1410 * ipa-split.c (split_function): Skip the return value for the split
1411 part if it doesn't return.
1413 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1415 PR tree-optimization/49642
1416 * ipa-split.c (forbidden_dominators): New variable.
1417 (check_forbidden_calls): New function.
1418 (dominated_by_forbidden): Likewise.
1419 (consider_split): Check for forbidden dominators.
1420 (execute_split_functions): Initialize and free forbidden
1421 dominators info; call check_forbidden_calls.
1423 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1425 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1427 2012-01-11 Nick Clifton <nickc@redhat.com>
1429 * config/rx/rx.md (return): Define pattern.
1431 2012-01-11 Richard Guenther <rguenther@suse.de>
1433 * doc/extend.texi (malloc attribute): Adjust according to
1436 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1437 Patrick Marlier <patrick.marlier@gmail.com>
1440 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1441 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1442 (ipa_tm_note_irrevocable): Same.
1443 (ipa_tm_scan_irr_block): Same.
1444 (ipa_tm_decrement_clone_counts): Same.
1445 (ipa_tm_scan_irr_function): Same.
1446 (ipa_tm_create_version_alias): Same.
1447 (ipa_tm_create_version): Same.
1448 (ipa_tm_transform_calls_redirect): Same.
1449 (ipa_tm_transform_calls): Same.
1450 (ipa_tm_transform_transaction): Same.
1451 (ipa_tm_execute): Same.
1453 2012-01-10 Richard Guenther <rguenther@suse.de>
1456 * opts.c (common_handle_option): Handle -Werror.
1458 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1460 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1463 2012-01-10 Jason Merrill <jason@redhat.com>
1465 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1468 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1470 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1471 supports R_386_TLS_GD_PLT reloc.
1472 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1473 supports R_386_TLS_LDM_PLT reloc.
1474 * configure: Regenerate.
1475 * config.in: Regenerate.
1477 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1480 Extend __pgmx semantics to linearize memory.
1481 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1482 determine if code comes inline or from libgcc.
1483 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1484 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1485 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1486 (movmemx_qi, movmemx_hi): New insns.
1487 (xload_<mode>_libgcc): Rewrite to new insn condition.
1488 (xload_<mode>): Remove insns.
1489 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1490 cases that don't satisfy avr_xload_libgcc_p().
1491 (avr_addr_space_convert): Allow converting in any direction.
1492 (avr_addr_space_subset_p): Return always true.
1493 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1494 (avr_emit_movmemhi): Ditto.
1495 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1496 (avr_out_movmem): Ditto.
1497 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1498 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1499 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1500 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1501 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1503 2012-01-10 Richard Guenther <rguenther@suse.de>
1505 PR tree-optimization/50913
1506 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1507 Require data-refs to be representable by Graphite with respect
1510 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1512 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1513 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1515 2012-01-10 Tom de Vries <tom@codesourcery.com>
1517 PR rtl-optimization/51271
1518 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1519 handling annulled branch.
1521 2012-01-10 Richard Henderson <rth@redhat.com>
1523 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1524 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1525 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1526 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1527 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1528 arm_expand_vec_perm_const): New.
1529 * config/arm/arm-protos.h: Update.
1530 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1531 (*neon_vswp<VDQX>): New.
1532 (neon_vcombine<VDX>): Use neon_split_vcombine.
1533 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1534 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1535 (vec_perm<VE>): New.
1537 2012-01-10 Richard Henderson <rth@redhat.com>
1539 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1540 use it if reload_completed.
1541 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1542 arm_output_asm_insn, arm_process_output_memory_barrier,
1543 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1544 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1545 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1546 arm_process_output_sync_insn, arm_output_sync_insn,
1547 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1548 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1549 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1550 (emit_unlikely_jump): New.
1551 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1552 (arm_split_atomic_op): New.
1553 * config/arm/arm-protos.h: Update.
1554 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1555 (struct arm_sync_generator): Remove.
1556 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1557 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1558 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1559 (VUNSPEC_LL, VUNSPEC_SC): New.
1560 (sync_result, sync_memory, sync_required_value, sync_new_value,
1561 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1562 (attr length): Don't use arm_sync_loop_insns.
1563 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1564 (movsfcc, movdfcc): Likewise.
1565 * config/arm/constraints.md (Ua): New.
1566 * config/arm/prediates.md (mem_noofs_operand): New.
1567 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1568 (sync_clobber, sync_t2_reqd): Remove.
1569 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1570 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1571 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1572 (arm_sync_compare_and_swap<SIDI>): Remove.
1573 (arm_sync_compare_and_swap<NARROW>): Remove.
1574 (arm_sync_lock_test_and_set<SIDI>): Remove.
1575 (arm_sync_lock_test_and_set<NARROW>): Remove.
1576 (arm_sync_new_<syncop><SIDI>): Remove.
1577 (arm_sync_new_<syncop><NARROW>): Remove.
1578 (arm_sync_new_nand<SIDI>): Remove.
1579 (arm_sync_new_nand<NARROW>): Remove.
1580 (arm_sync_old_<syncop><SIDI>): Remove.
1581 (arm_sync_old_<syncop><NARROW>): Remove.
1582 (arm_sync_old_nand<SIDI>): Remove.
1583 (arm_sync_old_nand<NARROW>): Remove.
1584 (*memory_barrier): Merge arm_output_memory_barrier.
1585 (atomic_compare_and_swap<QHSD>): New.
1586 (atomic_compare_and_swap<NARROW>_1): New.
1587 (atomic_compare_and_swap<SIDI>_1): New.
1588 (atomic_exchange<QHSD>): New.
1589 (cas_cmp_operand, cas_cmp_str): New.
1590 (atomic_op_operand, atomic_op_str): New.
1591 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1592 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1593 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1594 (arm_load_exclusive<NARROW>): New.
1595 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1596 (arm_store_exclusive<QHSD>): New.
1598 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1600 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1601 reload patterns if -mvsx-scalar-memory.
1603 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1604 generated, even -mno-vsx-scalar-double was used.
1605 (vsx_xscvdpsp_scalar): Likewise.
1606 (vsx_xscvspdp_scalar2): Likewise.
1608 2012-01-09 Tom de Vries <tom@codesourcery.com>
1609 Andrew Pinski <apinski@cavium.com>
1612 * reorg.c (fill_slots_from_thread): Don't speculate
1613 frame-related insns.
1615 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1617 * sched-int.h (bb_note): Move to...
1618 * basic-block.h: ...here.
1619 * haifa-sched.c (bb_note): Move to...
1620 * cfgrtl.c: ...here.
1621 * function.c (next_block_for_reg): New function.
1622 (move_insn_for_shrink_wrap): Likewise.
1623 (prepare_shrink_wrap): Rewrite to use the above.
1625 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1627 * gimple.c (is_gimple_non_addressable): Remove.
1628 * gimple.h: Remove is_gimple_non_addressable.
1629 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1630 is_gimple_non_addressable.
1631 * trans-mem.c (expand_assign_tm): Same.
1633 2012-01-09 Richard Guenther <rguenther@suse.de>
1635 PR tree-optimization/51775
1636 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1637 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1639 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1641 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1643 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1645 2012-01-09 Richard Guenther <rguenther@suse.de>
1647 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1649 2012-01-08 Jan Hubicka <jh@suse.cz>
1651 PR tree-optimize/51680
1652 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1653 on when known_vals needs to be computed; cleanup.
1655 2012-01-08 Jan Hubicka <jh@suse.cz>
1657 PR tree-optimize/51694
1658 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1660 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1662 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1663 for -std=c++98 and -std=c++11 too.
1665 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1667 * cfgloop.c (cancel_loop): Add free() of bbs array.
1669 2012-01-07 Jan Hubicka <jh@suse.cz>
1671 PR tree-optimization/51600
1672 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1673 that benefits small functions.
1675 2012-01-07 Jan Hubicka <jh@suse.cz>
1677 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1679 2012-01-07 Jan Hubicka <jh@suse.cz>
1681 PR tree-optimization/51680
1682 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1683 whose inlining reduce unit size.
1685 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1688 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1689 Add canonical node to containing_mem chain after the non-canonical
1690 one, even if there weren't any locs to propagate.
1691 (remove_useless_values): Keep only canonical values.
1692 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1693 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1694 canonicalize mem_chain elements that are not discarded.
1696 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1699 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1700 before emitting functions.
1702 PR gcov-profile/50127
1703 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1704 clear_aux_for_blocks.
1706 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1709 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1711 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1713 * c-decl.c (ext_block): Moved up.
1714 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1716 2012-01-06 Han Shen <shenhan@google.com>
1718 Translate built-in include paths for sysroot.
1719 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1720 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1722 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1723 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1725 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1726 control whether sysroot should be prepended to gxx include dir.
1728 * configure: Regenerate.
1730 2012-01-06 Torvald Riegel <triegel@redhat.com>
1732 PR rtl-optimization/51771
1733 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1734 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1736 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1738 PR tree-optimization/51315
1739 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1740 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1742 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1745 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1746 for shrp pattern. Correctly handle and fixup shift variable.
1747 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1749 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1752 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1753 note when !ACCUMULATE_OUTGOING_ARGS.
1755 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1757 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1759 (extract_range_from_unary_expr_1): Avoid useless computations.
1761 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1763 PR rtl-optimization/51767
1764 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1765 of jump_block and add an extra edge for degenerated asm gotos.
1768 * stmt.c (check_unique_operand_names): Don't ICE during error
1769 reporting if i is from labels chain.
1772 * profile.c (branch_prob): Split bbs that have exit edge
1773 and need a fake entry edge too.
1775 2012-01-05 Jan Hubicka <jh@suse.cz>
1778 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1781 2012-01-05 Richard Guenther <rguenther@suse.de>
1784 * tree-streamer-out.c (write_ts_optimization): New function.
1785 (streamer_write_tree_body): Call it.
1786 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1787 (streamer_read_tree_body): Call it.
1788 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1790 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1793 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1794 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1795 in_cleanup_point_expr before gimplify_stmt call and restore it
1797 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1798 in_cleanup_point_expr is false.
1800 2012-01-05 Richard Guenther <rguenther@suse.de>
1803 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1805 * toplev.c (process_options): Reject combining mudflap and LTO.
1806 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1808 2012-01-05 Richard Guenther <rguenther@suse.de>
1810 PR tree-optimization/51760
1811 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1813 (bit_value_unop): Handle UNDEFINED operands.
1814 (bit_value_binop): Likewise.
1816 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1818 * config/avr/avr.c (avr_replace_prefix): Remove.
1819 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1820 (avr_asm_function_rodata_section): Ditto.
1821 (avr_asm_select_section): Ditto.
1823 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1825 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1828 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1831 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1832 calls that have any non-fake successor edges.
1835 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1837 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1839 PR tree-optimization/51624
1840 * tree-sra.c (build_ref_for_model): When replicating a chain of
1841 COMPONENT_REFs, stop as soon as the offset would become negative.
1843 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1846 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1847 in .debug_loc on the floor.
1849 2012-01-04 Andrew Pinski <apinski@cavium.com>
1851 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1853 2012-01-04 Andrew Pinski <apinski@cavium.com>
1854 Adam Nemet <anemet@caviumnetworks.com>
1856 * config/mips/mips.md (size): Add SI and DI.
1857 (SIZE): New mode attribute.
1858 (U): New code attribute.
1859 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1860 (mips_lbux_<mode>): Delete.
1861 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1862 (mips_lhx): Use gen_mips_lhx_extsi.
1863 (mips_lhx_<mode>): Delete.
1865 (mips_l<size>x): New expand.
1866 (mips_lwx_<mode>): Delete.
1867 (mips_l<GPR:size>x_<P:mode>): New pattern.
1868 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1869 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1870 * config/mips/mips.c (mips_lx_address_p): New function.
1871 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1872 (dsp64): New availability predicate.
1873 (mips_builtins): Add an entry for __builtin_mips_ldx.
1874 * config/mips/mips.h (ISA_HAS_LBX): New define.
1875 (ISA_HAS_LBUX): Likewise.
1876 (ISA_HAS_LHX): Likewise.
1877 (ISA_HAS_LHUX): Likewise.
1878 (ISA_HAS_LWX): Likewise.
1879 (ISA_HAS_LWUX): Likewise.
1880 (ISA_HAS_LDX): Likewise.
1881 * doc/extend.texi (__builtin_mips_ldx): Document.
1883 2012-01-04 Tristan Gingold <gingold@adacore.com>
1885 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1886 when long pointers are used.
1887 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1888 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1889 (ia64-hp-*vms*): Remove.
1890 * config/vms/xm-vms64.h: Delete.
1892 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1895 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1897 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1899 * opts.c (finish_options): Remove duplicate sorry.
1901 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1904 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1907 2012-01-04 Richard Guenther <rguenther@suse.de>
1910 * tree.c (size_low_cst): New function.
1911 * tree.h (size_low_cst): Declare.
1912 * fold-const.c (fold_comparison): Use it to extract the low
1913 part of the POINTER_PLUS_EXPR offset.
1915 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1917 Fix clearing ZERO_REG
1918 * config/avr/avr.md (cc): Add alternative "ldi".
1919 (movqi_insn): Use it in cc attribute.
1920 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1921 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1922 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1924 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1926 * configure: Regenerate.
1928 2012-01-04 Richard Guenther <rguenther@suse.de>
1930 PR tree-optimization/49651
1931 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1932 (var_can_have_subvars): Use it.
1933 (get_constraint_for_1): Only consider subfields if there can be any.
1935 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1938 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1939 to its new canonical_cselib_val and the cselib_val was in
1940 first_containing_mem chain, but the canonical_cselib_val was not,
1941 add the latter into the chain.
1942 (cselib_invalidate_mem): Compare canonical_cselib_val of
1943 addr_list chain elt with v.
1946 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1947 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1949 (output_macinfo_op): Don't ggc_strdup fd->filename.
1950 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1951 then ggc_strdup it. Don't free inc->info or cur->info.
1952 (output_macinfo): Don't free ref->info or file->info.
1954 2012-01-03 Ira Rosen <irar@il.ibm.com>
1956 PR tree-optimization/51269
1957 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1958 first_niters a pointer.
1959 (slpeel_tree_peel_loop_to_edge): Likewise.
1960 (vect_do_peeling_for_loop_bound): Update call to
1961 slpeel_tree_peel_loop_to_edge.
1962 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1963 here. Remove it from the parameters list.
1964 (vect_do_peeling_for_alignment): Update calls and compute
1967 2012-01-03 Richard Guenther <rguenther@suse.de>
1969 PR tree-optimization/51070
1970 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1971 Properly handle calls.
1973 2012-01-03 Richard Guenther <rguenther@suse.de>
1975 PR tree-optimization/51692
1976 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1977 the LHS of allocation stmts.
1979 2012-01-03 Olivier Hainque <hainque@adacore.com>
1981 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1983 2012-01-03 Olivier Hainque <hainque@adacore.com>
1985 * collect2.c (main): In AIX specific computations for vector
1986 insertions, use CONST_CAST2 to cast from char ** to const char **.
1988 2012-01-03 Richard Guenther <rguenther@suse.de>
1991 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1992 the context of a limbo DIE when it does not already exist.
1994 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1996 PR tree-optimization/51719
1997 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1998 but direct call is, clear direct call's lhs and don't add fallthrough
1999 edge from dcall_bb to join_bb and PHIs.
2001 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2003 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2004 the instructions emitted by the pattern.
2005 ("*TDC_insn_<mode>"): Add comment.
2007 2012-01-03 Richard Guenther <rguenther@suse.de>
2010 * fold-const.c (fold_comparison): Properly canonicalize
2011 tree offset and HOST_WIDE_INT bit position.
2013 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2015 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2016 operands for extzv pattern.
2018 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2021 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2024 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2026 * doc/invoke.texi (-flto and related options): Copy-edit.
2028 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2030 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2032 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2034 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2037 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2039 * expr.h (move_by_pieces_ninsns): Declare.
2040 * expr.c (move_by_pieces_ninsns): Make external.
2041 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2042 (mips_store_by_pieces_p): Likewise.
2043 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2044 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2045 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2046 (mips_store_by_pieces_p): Likewise.
2048 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2050 * passes.c (register_one_dump_file): Free full_name.
2052 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2053 (calculate_elim_costs_all_insns): Free offsets_at and
2054 offsets_known_at at the end and clear the pointers.
2056 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2058 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2059 this option introduced in r180739.
2061 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2064 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2065 (tmake_file target=avr): Add avr/t-multilib.
2067 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2068 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2069 * config/avr/genmultilib.awk: New file.
2070 * config/avr/t-multilib: New auto-generated file.
2071 * config/avr/multilib.h: New auto-generated file.
2072 * config/avr/t-avr (AVR_MCUS): New variable.
2073 (genopt.sh): Use it.
2074 (s-mlib): Depend on t-multilib.
2075 (t-multilib, multilib.h): New dependencies.
2076 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2077 (MULTILIB_OPTIONS): Remove.
2078 (MULTILIB_MATCHES): Remove.
2079 (MULTILIB_DIRNAMES): Remove.
2080 (MULTILIB_EXCEPTIONS): Remove:
2081 * config/avr/genopt.sh: Don't use hard coded file name;
2082 pass AVR_MCUS from t-avr instead.
2084 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2086 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2088 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2090 Implement light-weight DImode support.
2091 * config/avr/avr-dimode.md: New file.
2092 * config/avr/avr.md: Include it.
2093 (adjust_len): Add plus64, compare64.
2094 (HIDI): Remove code iterator.
2095 (code_stdname): New code attribute.
2096 (rotx, rotsmode): Remove DI.
2097 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2099 * config/avr/avr-protos.h (avr_have_dimode): New.
2100 (avr_out_plus64, avr_out_compare64): New.
2101 * config/avr/avr.c (avr_out_compare): Handle DImode.
2102 (avr_have_dimode): New variable definition and initialization.
2103 (avr_out_compare64, avr_out_plus64): New functions.
2104 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2105 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2106 (avr_compare_pattern): Skip DImode comparisons.
2108 2012-01-02 Revital Eres <revital.eres@linaro.org>
2110 * ddg.c (def_has_ccmode_p): New function.
2111 (add_cross_iteration_register_deps,
2112 create_ddg_dep_from_intra_loop_link): Call it.
2114 2012-01-02 Richard Guenther <rguenther@suse.de>
2117 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2119 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2121 * gcc.c (process_command): Update copyright notice dates.
2122 * gcov.c (print_version): Likewise.
2123 * gcov-dump.c (print_version): Likewise.
2124 * mips-tfile.c (main): Likewise.
2125 * mips-tdump.c (main): Likewise.
2127 2012-01-01 Ira Rosen <irar@il.ibm.com>
2129 PR tree-optimization/51704
2130 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2131 a use is inside the basic block or loop before accessing its vect info.
2133 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2135 PR rtl-optimization/51069
2136 * cfgloopmanip.c (remove_path): Removing path making irreducible
2137 region unconditional makes BB part of the region.
2139 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2141 PR tree-optimization/51683
2142 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2143 calls with side-effects.
2144 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2146 Copyright (C) 2012 Free Software Foundation, Inc.
2148 Copying and distribution of this file, with or without modification,
2149 are permitted in any medium without royalty provided the copyright
2150 notice and this notice are preserved.