1 2012-02-10 Jason Merrill <jason@redhat.com>
4 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
5 (demangle_new_symbols): Fill it.
6 (scan_linker_output): Walk it.
7 (start_tweaking): Split out from scan_linker_output.
8 (maybe_tweak): Update sym->chosen.
9 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
11 2012-02-11 Jakub Jelinek <jakub@redhat.com>
14 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
17 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
19 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
20 having the same mode as previous compare.
22 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
24 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
25 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
26 (nonlocal_goto_internal): Likewise.
27 (nonlocal_goto): Emit a use and an indirect jump directly.
29 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
32 * doc/extend.texi : Update comments for __atomic_compare_exchange and
33 __atomic_{is,always}_lock_free.
35 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
38 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
39 negative constant address for x32.
41 2012-02-10 Richard Henderson <rth@redhat.com>
43 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
44 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
45 for GIMPLE_TRANSACTION. Tidy if's into a switch.
47 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
48 Ira Rosen <irar@il.ibm.com>
50 PR tree-optimization/50031
51 * targhooks.c (default_builtin_vectorization_cost): Handle
53 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
54 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
55 all types of reduction and pattern statements.
56 (vect_estimate_min_profitable_iters): Likewise.
57 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
58 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
59 for explicit realigns.
60 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
61 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
63 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
64 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
65 vec_perm for VSX and handle vec_promote_demote.
67 2012-02-10 Jakub Jelinek <jakub@redhat.com>
70 * builtins.c (fold_builtin_atomic_always_lock_free,
71 expand_builtin_atomic_always_lock_free,
72 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
73 Return and/or test boolean_true_node/boolean_false_node instead of
74 integer_one_node/integer_zero_node.
76 2012-02-10 Jan Hubicka <jh@suse.cz>
79 * predict.c (predict_paths_for_bb): Prevent looping.
80 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
82 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
84 * config/arm/arm.c (output_move_double): In one case properly
85 count number of instructions that will be emitted.
87 2012-02-10 Richard Guenther <rguenther@suse.de>
90 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
92 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
95 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
97 2012-02-09 Jakub Jelinek <jakub@redhat.com>
100 * var-tracking.c (emit_note_insn_var_location): If
101 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
102 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
103 non-NOTE_DURING_CALL_P insn.
105 2012-02-09 Bin Cheng <bin.cheng@arm.com>
108 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
110 2012-02-08 Magnus Granberg <zorry@gentoo.org>
113 * gcc.c (switch_matches) Support switches with separated form,
116 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
118 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
121 * config/avr/avr.c (avr_addr_t): New typedef.
122 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
123 (avr_init_expanders): Initialize it.
124 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
126 (expand_epilogue): Ditto.
127 (avr_print_operand): Ditto.
128 (avr_file_start): Ditto.
129 (avr_emit_movmemhi): Ditto.
131 2012-02-08 Richard Guenther <rguenther@suse.de>
133 PR tree-optimization/46886
134 * tree-flow.h (do_while_loop_p): Declare.
135 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
136 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
138 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
140 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
141 always succeed for integers larger than a native word.
143 2012-02-08 Richard Guenther <rguenther@suse.de>
145 PR rtl-optimization/52170
146 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
147 properly handle integer vector modes.
149 2012-02-08 Jakub Jelinek <jakub@redhat.com>
151 PR gcov-profile/52150
152 * coverage.c: Include target.h.
153 (build_var): Call targetm.strip_name_encoding on the assembler name.
154 Change one _ into . or $ if the target allows it.
155 * Makefile.in (coverage.o): Depend on $(TARGET_H).
157 PR rtl-optimization/52139
158 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
159 is a BARRIER after emit_insn_after_noloc, move BB_END
160 to the last non-BARRIER insn before it.
162 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
165 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
166 (mips_gimplify_va_arg_expr): Call it instead of
167 std_gimplify_va_arg_expr.
169 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
171 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
172 message for -mno-pointers-to-nested-function.
174 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
177 * expr.c (get_inner_reference): If there is an offset, add a negative
178 bit position to it (if any).
180 2012-02-07 Jakub Jelinek <jakub@redhat.com>
182 PR rtl-optimization/52060
183 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
184 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
185 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
186 and/or i0src_copy2 when needed.
188 2012-02-07 Jakub Jelinek <jakub@redhat.com>
190 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
191 or LTOPLUGINSONAME if have_c.
193 * config/freebsd-spec.h: Add comment about what macros can be defined
195 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
196 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
199 2012-02-07 Richard Guenther <rguenther@suse.de>
201 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
202 newline in -alias dumps.
204 2012-02-07 Kai Tietz <ktietz@redhat.com>
205 Dave Korn <dave.korn.cygwin@gmail.com>
208 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
209 Take care that typinfo gets dllexport-attribute.
211 2012-02-07 Jakub Jelinek <jakub@redhat.com>
214 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
215 if modifier < EXPAND_SUM call force_operand on the result.
217 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
219 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
220 adding __forwarder_dst__ prefix if a forwarder_section attribute is
222 (epiphany_function_type): Replace types for specific interrupts with
223 EPIPHANY_FUNCTION_INTERRUPT.
224 (EPIPHANY_INTERRUPT_P): Update.
225 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
227 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
228 <disinterrupt>: Affects type identity.
229 (epiphany_handle_interrupt_attribute): Handle variable number of
231 (epiphany_compute_function_type): Update for new
232 epiphany_function_type definition.
233 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
234 handlers with a longcall forwarder.
235 (epiphany_start_function): Handle multiple interrupt arguments and/or
236 forwarder_section attribute.
238 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
241 2012-02-07 Alan Modra <amodra@gmail.com>
244 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
247 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
249 PR tree-optimization/50969
250 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
251 use vec_perm rather than vector_stmt.
252 (vect_model_load_cost): Likewise.
253 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
254 vec_perm to be the same as other vector statements.
255 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
256 cost of vec_perm for TARGET_VSX.
258 2012-02-06 Richard Guenther <rguenther@suse.de>
260 PR tree-optimization/52115
261 * tree-sra.c (access_has_replacements_p): New function.
262 (sra_modify_assign): Use it to decide whether a use is uninitialized.
264 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
267 * trans-mem.c (expand_call_tm): Add an assertion.
268 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
271 2012-02-06 Richard Guenther <rguenther@suse.de>
273 PR tree-optimization/50955
274 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
275 raise cost of expressions that replace an address with an
276 expression based on a different pointer.
278 2012-02-06 Jakub Jelinek <jakub@redhat.com>
281 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
282 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
284 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
287 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
288 -Weffc++ and specify guidelines come from second edition.
290 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
292 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
293 (sibcall_value_multiple_internal, call_split, call_internal_direct)
294 (call_direct_split, call_value_split, call_value_internal_direct)
295 (call_value_direct_split, call_value_multiple_split): Use jal and
296 jal_macro attributes.
298 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
300 * reload1.c (reload_regs_reach_end_p): Replace with...
301 (reload_reg_rtx_reaches_end_p): ...this function.
302 (new_spill_reg_store): Update commentary.
303 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
304 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
305 before setting new_spill_reg_store.
306 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
307 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
308 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
309 for non-spill reload registers.
311 2012-02-05 Ira Rosen <irar@il.ibm.com>
313 PR tree-optimization/52091
314 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
315 (vect_is_simple_use_1): Likewise.
316 * tree-vect-loop.c (vectorizable_reduction): Update calls
317 to vect_is_simple_use_1 and vect_is_simple_use.
318 (vectorizable_live_operation): Likewise.
319 * tree-vect-patterns.c (widened_name_p,
320 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
321 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
322 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
323 vectorizable_shift,vectorizable_operation, vectorizable_store,
324 vectorizable_load): Likewise.
325 (vect_is_simple_cond): Add an argument, pass it to
326 vect_is_simple_use_1.
327 (vectorizable_condition): Update calls to vect_is_simple_cond,
329 (vect_is_simple_use): Add an argument, the statement in which
330 OPERAND is used. Check that if OPERAND's def stmt is a double
331 reduction phi node, the use is a phi node too.
332 (vect_is_simple_use_1): Add an argument, pass it to
334 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
335 to vect_is_simple_use.
337 2012-02-04 Jakub Jelinek <jakub@redhat.com>
339 PR rtl-optimization/52095
340 * modulo-sched.c (dump_insn_locator): New function.
341 (loop_canon_p, sms_schedule): Use it.
343 PR rtl-optimization/52113
344 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
345 even for decomposable shift/zext insns.
347 2012-02-03 Jakub Jelinek <jakub@redhat.com>
348 Zdenek Dvorak <ook@ucw.cz>
350 PR rtl-optimization/52092
351 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
352 on get_iv_value result.
354 2012-02-02 Andrew Pinski <apinski@cavium.com>
358 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
360 2012-02-02 Jakub Jelinek <jakub@redhat.com>
363 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
365 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
367 PR rtl-optimization/49800
368 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
369 (sched_finish): Call regstat_free_n_sets_and_refs.
371 2012-02-02 Jia Liu <proljc@gmail.com>
373 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
376 2012-02-02 Jan Hubicka <jh@suse.cz>
377 Tom de Vries <tom@codesourcery.com>
380 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
381 * varpool.c (varpool_analyze_pending_decls): Likewise.
383 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
384 Jayant R Sonar <jayant.sonar@kpitcummins.com>
386 * config.gcc: Add cr16-* support.
388 * doc/extend.texi: Document cr16 extensions.
389 * doc/install.texi: Document cr16 install.
390 * doc/invoke.texi: Document cr16 options.
391 * doc/md.texi: Document cr16 constraints.
393 * common/config/cr16/cr16-common.c: New file.
394 * config/cr16/cr16.c: New file.
395 * config/cr16/cr16.h: New file.
396 * config/cr16/cr16.md: New file.
397 * config/cr16/cr16.opt: New file.
398 * config/cr16/cr16-protos.h: New file.
399 * config/cr16/predicates.md: New file.
400 * config/cr16/constraints.md: New file.
401 * config/cr16/t-cr16: New file.
403 2012-02-02 Jakub Jelinek <jakub@redhat.com>
406 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
407 that operands[2] is either immediate, or q_regs_operand.
409 PR tree-optimization/52073
410 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
411 a pattern stmt for pattern uses, ignore uses outside of the loop.
413 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
415 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
416 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
417 (OUT_AS1, OUT_AS2): Remove.
419 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
421 PR rtl-optimization/51374
422 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
423 to cross other volatile_refs_p insns.
425 2012-02-01 Richard Guenther <rguenther@suse.de>
427 * doc/invoke.texi (fno-inline): Clarify documentation.
428 (finline-small-functions): Likewise.
429 (finline-functions): Likewise.
430 * common.opt (finline): Adjust comment and documentation.
431 (finline-small-functions): Clarify documentation.
432 (finline-functions): Likewise.
433 (finline-functions-called-once): Likewise.
435 2012-02-01 Tristan Gingold <gingold@adacore.com>
437 * c-typeck.c (composite_type): Keep mode for pointers.
439 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
441 * function.h (regno_reg_rtx): Adjust comment.
442 * reginfo.c (init_reg_modes_target): Only use the previous mode
443 if it fits within one register. Remove MIPS comment.
445 2012-01-31 Jakub Jelinek <jakub@redhat.com>
448 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
450 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
452 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
455 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
457 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
459 2012-01-31 Jakub Jelinek <jakub@redhat.com>
464 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
466 2012-01-31 Richard Guenther <rguenther@suse.de>
468 PR tree-optimization/51528
469 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
472 2012-01-31 Jakub Jelinek <jakub@redhat.com>
477 * ree.c (add_removable_extension): Change def_map argument
478 to unsigned *, store in def_map 1 + offset into *insn_list vector
479 instead of pointers into the vector.
480 (find_removable_extensions): Adjust caller.
482 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
484 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
485 Transform all "* quoted-c-code" to { c-code }.
486 Remove redundant test for "optimize" in combine patterns.
487 Move (include "avr-dimode.md") to end of file.
489 2012-01-30 Bin Cheng <bin.cheng@arm.com>
492 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
493 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
495 2012-01-30 Richard Guenther <rguenther@suse.de>
497 PR tree-optimization/52028
498 * tree-loop-distribution.c (ldist_gen): Properly update
501 2012-01-30 Jakub Jelinek <jakub@redhat.com>
504 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
505 set_cur_line_info_table if not emitting debug info.
507 PR tree-optimization/52046
508 * tree-vect-patterns.c (check_bool_pattern): Give up if
509 a comparison could throw.
512 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
514 2012-01-30 Richard Guenther <rguenther@suse.de>
516 PR tree-optimization/52045
517 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
518 SSA form if cfgcleanup did anything.
520 2012-01-30 Richard Guenther <rguenther@suse.de>
522 PR tree-optimization/52045
523 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
524 before computing final todo.
526 2012-01-30 Richard Guenther <rguenther@suse.de>
528 PR tree-optimization/51528
529 * tree-sra.c (sra_modify_assign): Re-factor in preparation
532 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
534 * df-problems.c (df_kill_notes): Check that the use refers
535 to the note under examination.
537 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
540 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
541 parameter and use short-lived pseudos.
542 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
543 (sparc_expand_vector_init): Const-ify local variables and adjust
544 calls to above functions.
546 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
548 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
550 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
552 * doc/invoke.texi: Make usage of "compile time" and
553 "run time"/"runtime" consistent throughout the file.
555 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
557 * config/alpha/alpha.c (alpha_option_override): Default to
558 full IEEE compliance mode for Go language.
560 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
562 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
563 (LINK_SSP_SPEC): Define.
565 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
568 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
571 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
573 * doc/invoke.texi: Correct hyphenation of "floating point",
574 "double precision", and related terminology throughout the file.
576 2012-01-28 Jakub Jelinek <jakub@redhat.com>
579 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
580 arm_general_register_operand predicate for operand 2 instead of
583 2012-01-27 Ian Lance Taylor <iant@google.com>
586 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
587 * builtins.c (expand_builtin_init_trampoline): Add onstack
588 parameter. Change caller.
589 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
590 * tree.c (build_common_builtin_nodes): Declare
591 __builtin_init_heap_trampoline.
593 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
595 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
596 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
597 * config/avr/avr.c: Ditto.
598 (avr_regnames): Remove because unused.
599 * config/avr/avr.md (*cpse.ne): New peephole.
600 (*cpse.eq): New peephole from former cpse peepholes.
602 2012-01-27 Michael Eager <eager@eagercon.com>
604 * config/microblaze.c (microblaze_emit_compare): Correct
605 test after pcmp instruction.
607 2012-01-27 Richard Guenther <rguenther@suse.de>
609 PR tree-optimization/52020
610 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
612 2012-01-27 Richard Guenther <rguenther@suse.de>
614 * ipa-pure-const.c (check_stmt): Clobbers do not make a
615 function non-const/pure.
617 2012-01-27 Richard Guenther <rguenther@suse.de>
619 PR tree-optimization/50444
620 * tree-sra.c (build_ref_for_offset): Properly adjust the
621 MEM_REF type for unaligned accesses.
623 2012-01-27 Richard Guenther <rguenther@suse.de>
625 PR tree-optimization/50444
626 * expr.c (mem_ref_refers_to_non_mem_p): New function.
627 (expand_assignment): Use it. Properly handle misaligned
628 bases when expanding stores to component references.
629 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
632 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
635 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
636 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
637 * tree-data-ref.c (find_data_references_in_loop): Make static.
638 (compute_all_dependences): Change return type to bool. Bail out
639 for too many datarefs in a loop. Move the hunk resetting the data
640 dependences vector from ...
641 (compute_data_dependences_for_loop): ... here. Account for
642 compute_all_dependences returning false.
643 (compute_data_dependences_for_bb): Likewise.
644 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
645 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
647 2012-01-27 Richard Guenther <rguenther@suse.de>
650 * expr.c (store_field): Use the alias-set of the scratch memory
653 2012-01-27 Tom de Vries <tom@codesourcery.com>
655 PR tree-optimization/51990
656 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
658 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
660 2012-01-27 Jakub Jelinek <jakub@redhat.com>
663 * var-tracking.c (reverse_op): Don't add any reverse operation
664 if V already has any constant locations.
666 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
668 * doc/invoke.texi: Correct usage of "command line" (noun)
669 vs "command-line" (adjective) throughout.
671 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
673 * doc/invoke.texi (Language Independent Options): Move
674 -Wcoverage-mismatch blurb from here....
675 (Warning Options): ...to here.
677 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
679 * config/rs6000/rs6000.c (rs6000_option_override_internal):
680 Set rs6000_always_hint to false for 476.
682 2012-01-27 Matthias Klose <doko@ubuntu.com>
684 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
686 * incpath.c (add_standard_paths): Likewise.
688 2012-01-27 Richard Henderson <rth@redhat.com>
690 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
691 * config/m68k/sync.md (atomic_test_and_set): Rename from
692 sync_test_and_setqi and adjust the operands.
693 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
694 and unconditionally enable.
696 2012-01-27 Richard Henderson <rth@redhat.com>
698 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
699 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
700 (ldstub): Rename from ldstubqi.
701 (ldstub<I24MODE>): Remove.
703 2012-01-27 Richard Henderson <rth@redhat.com>
705 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
706 * c-cppbuiltin.c (cpp_atomic_builtins): Define
707 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
708 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
709 * doc/tm.texi: Rebuild.
711 2012-01-27 Richard Henderson <rth@redhat.com>
713 * optabs.c (gen_atomic_test_and_set): Remove default.
714 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
716 2012-01-26 Jakub Jelinek <jakub@redhat.com>
718 PR rtl-optimization/51978
719 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
720 (combine_reaching_defs): Likewise.
721 (struct re_info): Remove.
722 (add_removable_extension): Remove x and data arguments,
723 add insn, insn_list and def_map. Use the arguments directly
724 instead of using struct re_info.
725 (find_removable_extensions): Don't call add_removable_extension
726 through note_stores, instead just call it with single_set
728 (find_and_remove_re): Pass curr_cand->expr instead of
729 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
731 2012-01-26 Michael Matz <matz@suse.de>
733 PR tree-optimization/46590
734 * cfgexpand.c: Revert last change (r183305).
735 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
737 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
738 checking for emptiness.
740 2012-01-26 Jakub Jelinek <jakub@redhat.com>
743 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
744 non-addressable non-BLKmode base correctly.
746 2012-01-26 Michael Matz <matz@suse.de>
748 PR tree-optimization/48794
749 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
750 regions referenced from RESX/EH_DISPATCH.
752 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
754 * config/s390/s390.h: Make BRANCH_COST an option.
755 * config/s390/s390.opt: New option -mbranch-cost.
757 2012-01-26 Richard Henderson <rth@redhat.com>
759 Revert 2012-01-24 change:
760 * trans-mem.c (requires_barrier): Do not instrument thread local
761 variables and emit save/restore for them.
763 2012-01-25 Jakub Jelinek <jakub@redhat.com>
766 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
769 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
771 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
774 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
777 Rename __pgm to __flash.
778 Rename __pgm1 to __flash1.
779 Rename __pgm2 to __flash2.
780 Rename __pgm3 to __flash3.
781 Rename __pgm4 to __flash4.
782 Rename __pgm5 to __flash5.
783 Rename __pgmx to __memx.
784 * doc/extend.texi (AVR Named Address Spaces)
785 Rename address space names as indicated above.
786 * config/avr/avr.c (avr_addrspace): Ditto.
788 * config/avr/avr-protos.h
789 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
790 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
791 * config/avr/predicates.md: Ditto.
792 * config/avr/avr.c Ditto, and
793 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
794 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
796 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
797 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
798 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
799 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
800 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
801 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
802 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
803 * config/avr/avr.c: Ditto.
804 * config/avr/avr.md: Ditto.
806 2012-01-25 Jason Merrill <jason@redhat.com>
809 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
811 2012-01-25 Jakub Jelinek <jakub@redhat.com>
813 PR tree-optimization/51987
814 * tree-data-ref.c (get_references_in_stmt): Handle references in
815 non-volatile GIMPLE_ASM.
817 2012-01-25 Richard Guenther <rguenther@suse.de>
819 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
820 bases are dereferenced.
822 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
824 PR rtl-optimization/48374
825 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
827 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
829 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
830 compute_data_dependences_for_loop returns false.
831 * tree-parloops.c (loop_parallel_p): Likewise.
833 2012-01-25 Richard Guenther <rguenther@suse.de>
835 * tree.h (get_pointer_alignment_1): Declare.
836 * builtins.c (get_pointer_alignment_1): New function.
837 (get_pointer_alignment): Use it.
839 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
841 PR rtl-optimization/48308
842 * combine.c (enum undo_kind): Add UNDO_LINKS.
843 (struct undo): Add member l to other_contents and where.
844 (do_SUBST_LINK): New.
846 (try_combine): Handle LOG_LINKS for the dummy i1 case.
847 (undo_all): Handle UNDO_LINKS.
849 2012-01-25 Richard Henderson <rth@redhat.com>
851 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
854 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
856 * optabs.c (gen_atomic_test_and_set): Use each argument.
858 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
860 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
861 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
862 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
863 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
864 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
865 TARGET_PAIRED_SINGLE_FLOAT.
867 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
869 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
870 (in_struct, return_val): Remove MEM documentation.
871 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
872 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
873 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
875 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
876 * cfgexpand.c (add_alias_set_conflicts): Likewise.
877 * expr.c (store_field): Likewise.
878 * function.c (assign_stack_temp_for_type): Likewise.
879 * ifcvt.c (noce_try_cmove_arith): Likewise.
880 * reload1.c (reload): Likewise.
881 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
882 (alpha_set_memflags): Likewise.
883 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
885 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
887 * rtl.h (true_dependence, canon_true_dependence): Remove varies
889 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
890 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
891 (true_dependence_1, true_dependence, canon_true_dependence): Remove
893 * cselib.c (cselib_rtx_varies_p): Delete.
894 (cselib_invalidate_mem): Update call to canon_true_dependence.
895 * dse.c (record_store, check_mem_read_rtx): Likewise.
896 (scan_reads_nospill): Likewise.
897 * cse.c (check_dependence): Likewise.
898 (cse_rtx_varies_p): Delete.
899 * expr.c (safe_from_p): Update call to true_dependence.
900 * ira.c (validate_equiv_mem_from_store): Likewise.
901 (memref_referenced_p): Likewise.
902 * postreload-gcse.c (find_mem_conflicts): Likewise.
903 * sched-deps.c (sched_analyze_2): Likewise.
904 * store-motion.c (load_kills_store): Likewise.
905 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
906 * gcse.c (mems_conflict_for_gcse_p): Likewise.
907 (compute_transp): Update call to canon_true_dependence.
909 2012-01-25 Richard Henderson <rth@redhat.com>
911 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
912 (maybe_emit_atomic_test_and_set): New.
913 (expand_sync_lock_test_and_set): Use it.
914 (expand_atomic_test_and_set): Likewise.
915 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
916 the implementation; clarify implementation defined details.
917 * doc/md.texi (atomic_test_and_set): Document.
919 2012-01-25 Richard Henderson <rth@redhat.com>
921 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
923 2012-01-25 Richard Henderson <rth@redhat.com>
926 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
927 to effect no-op split.
929 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
932 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
933 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
934 (BT_FN_VOID_PTR_INT_SIZE): New.
935 (BT_FN_UINT_UINT_VAR): Remove.
936 (BT_FN_UINT32_UINT32_VAR): New.
937 (BT_FN_DOUBLE_VPTR): Remove.
938 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
940 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
941 (_ITM_changeTransactionMode): Same.
942 (_ITM_memmoveRtWt): Change return type to void.
943 (_ITM_memcpyRtWt): Same.
944 (_ITM_memsetW): Same.
945 (_ITM_RaRD): Change types to double.
950 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
952 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
953 Patrick Marlier <patrick.marlier@gmail.com>
955 * trans-mem.c (requires_barrier): Do not instrument thread local
956 variables and emit save/restore for them.
958 2012-01-24 Jason Merrill <jason@redhat.com>
961 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
962 output static aliases.
964 2012-01-24 Jakub Jelinek <jakub@redhat.com>
967 * common.opt (-pie, -shared, pie, shared): Change from Common to
969 * gcc.c (display_help): Display help for -pie and -shared.
971 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
974 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
975 Remove note on size/offset limitation.
976 (AVR Variable Attributes): Add example how to read data located
977 with progmem. Refer to named address spaces.
978 * doc/invoke.texi (AVR Options): Fix typo.
980 2012-01-24 Richard Guenther <rguenther@suse.de>
982 Forward-port to trunk
983 2010-09-21 Jakub Jelinek <jakub@redhat.com>
986 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
987 op0 isn't sufficiently aligned and there is movmisalignM
988 insn for mode, use it to load op0 into a temporary register.
990 2012-01-24 Jakub Jelinek <jakub@redhat.com>
993 * target.def (const_not_ok_for_debug_p): New hook.
994 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
996 * doc/tm.texi: Regenerated.
997 * dwarf2out.c (const_ok_for_output_1): If
998 targetm.const_not_ok_for_debug_p returns true, fail.
999 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1001 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1003 2012-01-23 Kai Tietz <ktietz@redhat.com>
1006 * config/i386/predicates.md (symbolic_operand): Allow
1007 UNSPEC_PCREL as PIC expression for lea.
1008 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1009 * config/i386/i386.c (ix86_delegitimize_address): Handle
1010 UNSPEC_PCREL for none-MEM, too.
1012 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1014 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1015 (ipa_tm_create_version_alias): Same.
1017 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1020 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1021 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1023 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1024 Patrick Marlier <patrick.marlier@gmail.com>
1025 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1028 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1029 simple_object_start_read.
1031 2012-01-23 Richard Guenther <rguenther@suse.de>
1034 PR tree-optimization/51895
1035 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1036 parameter decomposition into BLKmode components.
1038 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1040 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1041 fake variables for restrict-qualified pointers whose pointed-to type
1042 contains a placeholder.
1044 2012-01-23 Richard Guenther <rguenther@suse.de>
1046 PR tree-optimization/51949
1047 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1049 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1051 PR rtl-optimization/51933
1052 * ree.c (transform_ifelse): Return true right away if dstreg is
1053 already wider or equal to cand->mode.
1054 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1055 (make_defs_and_copies_lists): Remove defs_list and copies_list
1056 arguments, add state argument, just truncate state->work_list
1057 instead of always allocating and freeing the vector. Assert that
1058 get_defs succeeds instead of returning 2. Changed return type to bool.
1059 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1060 have ext_src_mode, see if it has been modified already with the
1061 right kind of extension and has been extended before from the
1062 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1063 just return true. Remember the original mode in state->modified array.
1064 (combine_reaching_defs): Add state argument. Don't allocate and
1065 free here def_list, copied_list and vec vectors, instead just
1066 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1067 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1068 Add state variable, clear vectors in it, initialize state.modified
1069 if needed. Free all the vectors at the end and state.modified too.
1070 Don't skip a candidate if the extension expression has been modified.
1072 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1075 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1076 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1077 (extra_options) interix.opt -> i386/interix.opt"
1078 (extra_objs):Add winnt-stubs.o
1079 * configure.ac: Add interix to target_os .comm on PE check.
1080 * configure: Regenerate.
1081 * config/interix3.h: Delete and move bits to..
1082 * config/interix.h: Delete and move bits to..
1083 * config/i386/i386-interix3.h: Delete and move bits to..
1084 * config/i386/i386-interix.h: ..here.
1085 (TARGET_CPU_DEFAULT): Remove redefinition.
1086 (TARGET_ASM_CONSTRUCTOR): Undefine.
1087 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1088 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1089 (PTRDIFF_TYPE): Define.
1090 (LONG_DOUBLE_TYPE_SIZE): Define.
1091 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1092 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1093 (TARGET_SECTION_TYPE_FLAGS): Define.
1094 (ASM_DECLARE_FUNCTION_NAME): Define.
1095 (ASM_OUTPUT_EXTERNAL): Define.
1096 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1097 (ASM_OUTPUT_ALIGNED_BSS): Define.
1098 (PCC_BITFIELD_TYPE_MATTERS): Define.
1099 (USE_CONST_SECTION): Define.
1100 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1101 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1102 (SUPPORTS_ONE_ONLY): Remove.
1103 (I386_PE_STRIP_ENCODING): Define.
1104 * config/interix.opt: Delete and move bits to..
1105 * config/i386/interix.opt: ..here. New.
1106 (mpe-aligned-commons): Add.
1107 * config/i386/t-interix: Add copyright header.
1108 (winnt-stubs.o): Add rule.
1110 2012-01-22 Jason Merrill <jason@redhat.com>
1113 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1114 for extra name aliases.
1116 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1118 PR rtl-optimization/51924
1119 * ree.c (combine_set_extension): Improve debugging message.
1120 (combine_reaching_defs): Likewise.
1121 (get_defs): Rename confusingly named variable.
1122 (find_and_remove_re): Skip a candidate if the extension expression has
1125 2012-01-21 Robert Millan <rmh@gnu.org>
1126 Gerald Pfeifer <gerald@pfeifer.com>
1128 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1129 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1131 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1133 PR tree-optimization/51914
1134 * tree-vect-stmts.c (vectorizable_conversion): For
1135 cvt_type && modifier == WIDEN, put temporary with cvt_type
1136 at the beginning of vec_dsts and set vec_dest to temporary
1139 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1141 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1143 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1145 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1146 * config/rs6000/rs6000.c: Likewise.
1148 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1151 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1152 output_move_double on a copy of operands array.
1154 2012-01-20 Cary Coutant <ccoutant@google.com>
1155 Dodji Seketeli <dodji@redhat.com>
1158 * dwarf2out.c (copy_declaration_context): Return ref to parent
1159 of declaration DIE, if necessary.
1160 (remove_child_or_replace_with_skeleton): Add new parameter; update
1161 caller. Place skeleton DIE under parent DIE of original declaration.
1162 Move call to copy_declaration_context to here ...
1163 (break_out_comdat_types): ... from here.
1165 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1167 PR rtl-optimization/51856
1168 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1171 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1174 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1175 hints for neon loads and stores.
1177 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1181 * doc/extend.texi (Named Address Spaces): Split into subsections.
1182 (AVR Named Address Spaces): New subsection.
1183 (M32C Named Address Spaces): New subsection.
1184 (RL78 Named Address Spaces): New subsection.
1185 (SPU Named Address Spaces): New subsection.
1186 (Variable Attributes): New anchor "AVR Variable Attributes".
1187 (AVR Variable Attributes): Rewrite and avoid wording
1188 "address space" in this context.
1189 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1190 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1191 (AVR Built-in Macros): New subsubsection therein.
1192 * doc/md.texi (AVR constraints): Remove "C04", "R".
1194 2012-01-20 Richard Guenther <rguenther@suse.de>
1196 PR tree-optimization/51903
1197 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1198 when removing stmts.
1200 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1203 * config/arm/arm.c (arm_load_pic_register): Use
1204 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1205 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1206 (arm_pic_static_addr): Likewise.
1207 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1208 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1209 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1210 (pic_load_addr_unified): New.
1212 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1215 * function.c (instantiate_virtual_regs_in_insn): Use
1216 delete_insn_and_edges when removing a wrong asm insn.
1218 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1220 PR rtl-optimization/40761
1221 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1222 Add new member loop_num.
1223 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1224 (ira_build): Remove the parameter.
1226 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1227 (ira.c): Do not build CFG loops for one region allocation. Remove
1228 argument from ira_build call.
1230 * ira-build.c (init_loop_tree_node): New function.
1231 (create_loop_tree_nodes): Use it. Separate the case when CFG
1232 loops are not built.
1233 (more_one_region_p): Check current_loops.
1234 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1236 (add_loop_to_tree): Process loop equal to NULL too.
1237 (form_loop_tree): Separate the case when CFG loops are not built.
1238 Use explicitly number for the root.
1239 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1241 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1242 instead of loop->num.
1243 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1244 (mark_all_loops_for_removal): Ditto.
1245 (remove_unnecessary_regions): Separate the case when CFG loops
1247 (ira_build): Remove the parameter. Use explicit number of regions
1248 when CFG loops are not built.
1250 * ira-color.c (print_loop_title): Separate the case for the root node.
1251 Use loop_num instead of loop->num.
1252 (move_spill_restore): Use loop_num instead of loop->num.
1254 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1255 (change_loop): Ditto.
1256 (change_loop): Use loop_num instead of loop->num.
1258 * ira-lives.c (process_bb_node_lives): Ditto.
1260 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1262 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1264 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1267 * tree-mudflap.c (mf_artificial): New function.
1268 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1269 mx_register_decls, mudflap_enqueue_decl): Use it.
1272 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1273 numbers in the insn pattern.
1275 2012-01-19 Michael Matz <matz@suse.de>
1277 PR tree-optimization/46590
1278 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1279 use it in remembering which conflicts we already created.
1280 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1283 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1286 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1287 (merge_and_complain): Same.
1289 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1292 * config/initfini-array.h: Guard content of the header
1293 with #ifdef HAVE_INITFINI_ARRAY.
1294 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1295 Add initfini-array.h to tm_file here.
1296 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1297 * config.gcc: Don't add initfini-array.h to tm_file here.
1298 * configure: Regenerated.
1300 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1302 PR rtl-optimization/51505
1303 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1304 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1305 (df_note_bb_compute): Update the call to df_kill_notes.
1307 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1309 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1311 2012-01-18 Richard Guenther <rguenther@suse.de>
1313 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1314 of conversions to void *.
1316 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1317 Richard Sandiford <rdsandiford@googlemail.com>
1321 * optabs.h (simplify_expand_binop): Declare.
1322 * optabs.c (simplify_expand_binop): Make global.
1323 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1324 endian targets if the source cannot be exactly covered by word
1327 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1330 * hard-reg-set.h (struct hard_reg_set_container): New type.
1331 * target.h (struct hard_reg_set_container): Forward declare.
1332 * target.def (set_up_by_prologue): New target hook.
1333 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1334 * doc/tm.texi: Regenerated.
1335 * function.c (thread_prologue_and_epilogue_insns): Change
1336 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1337 Call targetm.set_up_by_prologue on it.
1338 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1339 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1341 2012-01-17 Nick Clifton <nickc@redhat.com>
1343 * config/rx/rx.c (rx_can_use_simple_return): New function.
1344 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1345 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1347 2012-01-17 Richard Guenther <rguenther@suse.de>
1350 * expr.c (expand_assignment): Take address-space information
1351 from the address operand of MEM_REF and TARGET_MEM_REF.
1352 (expand_expr_real_1): Likewise.
1354 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1356 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1357 reload dump is requested.
1359 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1362 * trans-mem.c (requires_barrier): Call may_be_aliased.
1364 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1366 PR tree-optimization/51877
1367 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1368 call arguments and fndecls compare equal, instead return false if they
1369 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1370 both SSA_NAMEs that are valueized the same, or they satisfy
1373 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1375 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1377 * configure: Regenerate.
1379 2012-01-16 Jan Hubicka <jh@suse.cz>
1383 * convert.c (convert_to_integer): Use fold_convert for
1384 converting an INTEGER_CST to integer type.
1386 2012-01-16 Jason Merrill <jason@redhat.com>
1389 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1391 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1394 * config/s390/s390.c (s390_chunkify_start): Don't skip
1395 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1396 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1397 If insn is followed by NOTE_INSN_VAR_LOCATION or
1398 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1399 Don't use location of note insns.
1401 PR tree-optimization/51865
1402 * tree-inline.c (tree_function_versioning): Call remap_decl
1403 on DECL_RESULT whenever it has VOID_TYPE_P type.
1405 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1407 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1408 for calls to locally-binding MIPS16 functions if only the return
1409 type uses float regs.
1411 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1412 Richard Sandiford <rdsandiford@googlemail.com>
1414 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1415 (SYMBOL_32_HIGH): Likewise.
1416 (mips_output_tls_reloc_directive): Declare.
1417 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1418 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1419 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1420 (mips_lo_relocs, mips_hi_relocs): Make extern.
1421 (mips16_stub_function): Move up file.
1422 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1423 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1424 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1425 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1426 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1427 (mips_get_tp): Add MIPS16 support.
1428 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1429 Generalize DTPREL and TPREL handling.
1430 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1431 Add MIPS16 TLS support.
1432 (mips_output_tls_reloc_directive): New function.
1433 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1434 * config/mips/predicates.md (symbolic_operand_with_high)
1435 (tls_reloc_operand): New predicates.
1436 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1437 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1438 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1439 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1440 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1441 (*tls_get_tp_mips16_call_<mode>): Likewise.
1443 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1445 PR rtl-optimization/51821
1446 * recog.c (peep2_find_free_register): Determine clobbered registers
1449 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1452 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1453 * config/avr/avr.c: Likewise.
1454 * config/avr/avr.h: Likewise.
1456 2012-01-13 Ian Lance Taylor <iant@google.com>
1459 * tree.h (TYPE_QUALS): Add cast to int.
1460 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1462 2012-01-13 Ian Lance Taylor <iant@google.com>
1464 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1465 comparing param_index to VEC_length result.
1467 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1469 * c-decl.c: Do not include tree-mudflap.h
1470 * tree-optimize.c: Likewise.
1471 * Makefile.in: Update dependencies.
1473 2012-01-13 Richard Guenther <rguenther@suse.de>
1476 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1477 variable-sized result always use RSO.
1479 2012-01-12 DJ Delorie <dj@redhat.com>
1481 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1482 pointer type, not just the default pointer type.
1484 2012-01-09 Richard Henderson <rth@redhat.com>
1485 Denis Chertykov <chertykov@gmail.com>
1488 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1489 * config/avr/avr.c (avr_can_eliminate): Simplify.
1490 (avr_initial_elimination_offset): Likewise.
1491 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1492 (expand_epilogue): Likewise.
1493 (avr_legitimize_address): Gut.
1494 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1495 (avr_hard_regno_nregs): New.
1496 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1497 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1498 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1499 add soft frame pointer.
1500 (CALL_USED_REGISTERS): Likewise.
1501 (REG_CLASS_CONTENTS): Likewise.
1502 (REGISTER_NAMES): Likewise.
1503 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1504 (HARD_FRAME_POINTER_REGNUM): New.
1505 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1506 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1507 remove the HARD_FRAME_POINTER self-elimination.
1509 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1512 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1513 DECL_EXTERNAL when checking for initializers of progmem variables.
1515 2012-01-12 Ira Rosen <irar@il.ibm.com>
1517 PR tree-optimization/51799
1518 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1519 that the last operation is a type demotion.
1521 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1523 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1524 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1526 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1529 * combine.c (distribute_notes): If i3 is a noreturn call,
1530 allow old_size to be equal to args_size and make sure the
1531 noreturn call gets REG_ARGS_SIZE note.
1532 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1533 on noreturn calls even when the delta is 0.
1535 2012-01-11 Nathan Sidwell <nathan@acm.org>
1537 * gcov.c (STRING_SIZE): Remove.
1538 (generate_results): Erase annotations for source files with no
1539 coverage information.
1541 (output_lines): Use it.
1543 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1545 * gimple.h (gimplify_body): Remove first argument.
1546 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1547 pointer set here, instead just pass DATA to walk_tree.
1548 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1549 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1550 (unvisit_body): Likewise, but with unmark_visited.
1551 (gimplify_body): Remove BODY_P argument and adjust.
1552 (gimplify_function_tree): Adjust call to gimplify_body.
1553 * omp-low.c (finalize_task_copyfn): Likewise.
1555 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1557 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1558 (build_function_type_skip_args): Delete.
1559 * tree.c (build_function_type_skip_args): Make static and add
1560 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1561 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1562 pass it to build_function_type_skip_args.
1563 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1564 (tree_function_versioning): Likewise.
1565 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1566 build_function_decl_skip_args.
1567 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1568 and pass it to build_function_decl_skip_args/tree_function_versioning.
1569 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1570 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1571 * trans-mem.c (ipa_tm_create_version): Likewise.
1572 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1573 * tree-inline.c (declare_return_variable): Remove always-true test.
1574 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1575 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1576 * ipa-split.c (split_function): Skip the return value for the split
1577 part if it doesn't return.
1579 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1581 PR tree-optimization/49642
1582 * ipa-split.c (forbidden_dominators): New variable.
1583 (check_forbidden_calls): New function.
1584 (dominated_by_forbidden): Likewise.
1585 (consider_split): Check for forbidden dominators.
1586 (execute_split_functions): Initialize and free forbidden
1587 dominators info; call check_forbidden_calls.
1589 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1591 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1593 2012-01-11 Nick Clifton <nickc@redhat.com>
1595 * config/rx/rx.md (return): Define pattern.
1597 2012-01-11 Richard Guenther <rguenther@suse.de>
1599 * doc/extend.texi (malloc attribute): Adjust according to
1602 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1603 Patrick Marlier <patrick.marlier@gmail.com>
1606 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1607 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1608 (ipa_tm_note_irrevocable): Same.
1609 (ipa_tm_scan_irr_block): Same.
1610 (ipa_tm_decrement_clone_counts): Same.
1611 (ipa_tm_scan_irr_function): Same.
1612 (ipa_tm_create_version_alias): Same.
1613 (ipa_tm_create_version): Same.
1614 (ipa_tm_transform_calls_redirect): Same.
1615 (ipa_tm_transform_calls): Same.
1616 (ipa_tm_transform_transaction): Same.
1617 (ipa_tm_execute): Same.
1619 2012-01-10 Richard Guenther <rguenther@suse.de>
1622 * opts.c (common_handle_option): Handle -Werror.
1624 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1626 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1629 2012-01-10 Jason Merrill <jason@redhat.com>
1631 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1634 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1636 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1637 supports R_386_TLS_GD_PLT reloc.
1638 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1639 supports R_386_TLS_LDM_PLT reloc.
1640 * configure: Regenerate.
1641 * config.in: Regenerate.
1643 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1646 Extend __pgmx semantics to linearize memory.
1647 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1648 determine if code comes inline or from libgcc.
1649 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1650 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1651 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1652 (movmemx_qi, movmemx_hi): New insns.
1653 (xload_<mode>_libgcc): Rewrite to new insn condition.
1654 (xload_<mode>): Remove insns.
1655 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1656 cases that don't satisfy avr_xload_libgcc_p().
1657 (avr_addr_space_convert): Allow converting in any direction.
1658 (avr_addr_space_subset_p): Return always true.
1659 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1660 (avr_emit_movmemhi): Ditto.
1661 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1662 (avr_out_movmem): Ditto.
1663 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1664 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1665 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1666 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1667 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1669 2012-01-10 Richard Guenther <rguenther@suse.de>
1671 PR tree-optimization/50913
1672 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1673 Require data-refs to be representable by Graphite with respect
1676 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1678 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1679 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1681 2012-01-10 Tom de Vries <tom@codesourcery.com>
1683 PR rtl-optimization/51271
1684 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1685 handling annulled branch.
1687 2012-01-10 Richard Henderson <rth@redhat.com>
1689 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1690 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1691 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1692 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1693 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1694 arm_expand_vec_perm_const): New.
1695 * config/arm/arm-protos.h: Update.
1696 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1697 (*neon_vswp<VDQX>): New.
1698 (neon_vcombine<VDX>): Use neon_split_vcombine.
1699 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1700 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1701 (vec_perm<VE>): New.
1703 2012-01-10 Richard Henderson <rth@redhat.com>
1705 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1706 use it if reload_completed.
1707 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1708 arm_output_asm_insn, arm_process_output_memory_barrier,
1709 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1710 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1711 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1712 arm_process_output_sync_insn, arm_output_sync_insn,
1713 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1714 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1715 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1716 (emit_unlikely_jump): New.
1717 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1718 (arm_split_atomic_op): New.
1719 * config/arm/arm-protos.h: Update.
1720 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1721 (struct arm_sync_generator): Remove.
1722 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1723 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1724 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1725 (VUNSPEC_LL, VUNSPEC_SC): New.
1726 (sync_result, sync_memory, sync_required_value, sync_new_value,
1727 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1728 (attr length): Don't use arm_sync_loop_insns.
1729 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1730 (movsfcc, movdfcc): Likewise.
1731 * config/arm/constraints.md (Ua): New.
1732 * config/arm/prediates.md (mem_noofs_operand): New.
1733 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1734 (sync_clobber, sync_t2_reqd): Remove.
1735 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1736 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1737 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1738 (arm_sync_compare_and_swap<SIDI>): Remove.
1739 (arm_sync_compare_and_swap<NARROW>): Remove.
1740 (arm_sync_lock_test_and_set<SIDI>): Remove.
1741 (arm_sync_lock_test_and_set<NARROW>): Remove.
1742 (arm_sync_new_<syncop><SIDI>): Remove.
1743 (arm_sync_new_<syncop><NARROW>): Remove.
1744 (arm_sync_new_nand<SIDI>): Remove.
1745 (arm_sync_new_nand<NARROW>): Remove.
1746 (arm_sync_old_<syncop><SIDI>): Remove.
1747 (arm_sync_old_<syncop><NARROW>): Remove.
1748 (arm_sync_old_nand<SIDI>): Remove.
1749 (arm_sync_old_nand<NARROW>): Remove.
1750 (*memory_barrier): Merge arm_output_memory_barrier.
1751 (atomic_compare_and_swap<QHSD>): New.
1752 (atomic_compare_and_swap<NARROW>_1): New.
1753 (atomic_compare_and_swap<SIDI>_1): New.
1754 (atomic_exchange<QHSD>): New.
1755 (cas_cmp_operand, cas_cmp_str): New.
1756 (atomic_op_operand, atomic_op_str): New.
1757 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1758 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1759 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1760 (arm_load_exclusive<NARROW>): New.
1761 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1762 (arm_store_exclusive<QHSD>): New.
1764 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1766 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1767 reload patterns if -mvsx-scalar-memory.
1769 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1770 generated, even -mno-vsx-scalar-double was used.
1771 (vsx_xscvdpsp_scalar): Likewise.
1772 (vsx_xscvspdp_scalar2): Likewise.
1774 2012-01-09 Tom de Vries <tom@codesourcery.com>
1775 Andrew Pinski <apinski@cavium.com>
1778 * reorg.c (fill_slots_from_thread): Don't speculate
1779 frame-related insns.
1781 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1783 * sched-int.h (bb_note): Move to...
1784 * basic-block.h: ...here.
1785 * haifa-sched.c (bb_note): Move to...
1786 * cfgrtl.c: ...here.
1787 * function.c (next_block_for_reg): New function.
1788 (move_insn_for_shrink_wrap): Likewise.
1789 (prepare_shrink_wrap): Rewrite to use the above.
1791 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1793 * gimple.c (is_gimple_non_addressable): Remove.
1794 * gimple.h: Remove is_gimple_non_addressable.
1795 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1796 is_gimple_non_addressable.
1797 * trans-mem.c (expand_assign_tm): Same.
1799 2012-01-09 Richard Guenther <rguenther@suse.de>
1801 PR tree-optimization/51775
1802 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1803 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1805 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1807 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1809 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1811 2012-01-09 Richard Guenther <rguenther@suse.de>
1813 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1815 2012-01-08 Jan Hubicka <jh@suse.cz>
1817 PR tree-optimize/51680
1818 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1819 on when known_vals needs to be computed; cleanup.
1821 2012-01-08 Jan Hubicka <jh@suse.cz>
1823 PR tree-optimize/51694
1824 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1826 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1828 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1829 for -std=c++98 and -std=c++11 too.
1831 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1833 * cfgloop.c (cancel_loop): Add free() of bbs array.
1835 2012-01-07 Jan Hubicka <jh@suse.cz>
1837 PR tree-optimization/51600
1838 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1839 that benefits small functions.
1841 2012-01-07 Jan Hubicka <jh@suse.cz>
1843 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1845 2012-01-07 Jan Hubicka <jh@suse.cz>
1847 PR tree-optimization/51680
1848 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1849 whose inlining reduce unit size.
1851 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1854 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1855 Add canonical node to containing_mem chain after the non-canonical
1856 one, even if there weren't any locs to propagate.
1857 (remove_useless_values): Keep only canonical values.
1858 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1859 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1860 canonicalize mem_chain elements that are not discarded.
1862 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1865 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1866 before emitting functions.
1868 PR gcov-profile/50127
1869 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1870 clear_aux_for_blocks.
1872 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1875 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1877 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1879 * c-decl.c (ext_block): Moved up.
1880 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1882 2012-01-06 Han Shen <shenhan@google.com>
1884 Translate built-in include paths for sysroot.
1885 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1886 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1888 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1889 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1891 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1892 control whether sysroot should be prepended to gxx include dir.
1894 * configure: Regenerate.
1896 2012-01-06 Torvald Riegel <triegel@redhat.com>
1898 PR rtl-optimization/51771
1899 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1900 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1902 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1904 PR tree-optimization/51315
1905 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1906 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1908 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1911 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1912 for shrp pattern. Correctly handle and fixup shift variable.
1913 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1915 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1918 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1919 note when !ACCUMULATE_OUTGOING_ARGS.
1921 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1923 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1925 (extract_range_from_unary_expr_1): Avoid useless computations.
1927 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1929 PR rtl-optimization/51767
1930 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1931 of jump_block and add an extra edge for degenerated asm gotos.
1934 * stmt.c (check_unique_operand_names): Don't ICE during error
1935 reporting if i is from labels chain.
1938 * profile.c (branch_prob): Split bbs that have exit edge
1939 and need a fake entry edge too.
1941 2012-01-05 Jan Hubicka <jh@suse.cz>
1944 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1947 2012-01-05 Richard Guenther <rguenther@suse.de>
1950 * tree-streamer-out.c (write_ts_optimization): New function.
1951 (streamer_write_tree_body): Call it.
1952 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1953 (streamer_read_tree_body): Call it.
1954 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1956 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1959 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1960 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1961 in_cleanup_point_expr before gimplify_stmt call and restore it
1963 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1964 in_cleanup_point_expr is false.
1966 2012-01-05 Richard Guenther <rguenther@suse.de>
1969 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1971 * toplev.c (process_options): Reject combining mudflap and LTO.
1972 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1974 2012-01-05 Richard Guenther <rguenther@suse.de>
1976 PR tree-optimization/51760
1977 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1979 (bit_value_unop): Handle UNDEFINED operands.
1980 (bit_value_binop): Likewise.
1982 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1984 * config/avr/avr.c (avr_replace_prefix): Remove.
1985 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1986 (avr_asm_function_rodata_section): Ditto.
1987 (avr_asm_select_section): Ditto.
1989 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1991 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1994 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1997 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1998 calls that have any non-fake successor edges.
2001 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2003 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2005 PR tree-optimization/51624
2006 * tree-sra.c (build_ref_for_model): When replicating a chain of
2007 COMPONENT_REFs, stop as soon as the offset would become negative.
2009 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2012 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2013 in .debug_loc on the floor.
2015 2012-01-04 Andrew Pinski <apinski@cavium.com>
2017 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2019 2012-01-04 Andrew Pinski <apinski@cavium.com>
2020 Adam Nemet <anemet@caviumnetworks.com>
2022 * config/mips/mips.md (size): Add SI and DI.
2023 (SIZE): New mode attribute.
2024 (U): New code attribute.
2025 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2026 (mips_lbux_<mode>): Delete.
2027 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2028 (mips_lhx): Use gen_mips_lhx_extsi.
2029 (mips_lhx_<mode>): Delete.
2031 (mips_l<size>x): New expand.
2032 (mips_lwx_<mode>): Delete.
2033 (mips_l<GPR:size>x_<P:mode>): New pattern.
2034 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2035 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2036 * config/mips/mips.c (mips_lx_address_p): New function.
2037 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2038 (dsp64): New availability predicate.
2039 (mips_builtins): Add an entry for __builtin_mips_ldx.
2040 * config/mips/mips.h (ISA_HAS_LBX): New define.
2041 (ISA_HAS_LBUX): Likewise.
2042 (ISA_HAS_LHX): Likewise.
2043 (ISA_HAS_LHUX): Likewise.
2044 (ISA_HAS_LWX): Likewise.
2045 (ISA_HAS_LWUX): Likewise.
2046 (ISA_HAS_LDX): Likewise.
2047 * doc/extend.texi (__builtin_mips_ldx): Document.
2049 2012-01-04 Tristan Gingold <gingold@adacore.com>
2051 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2052 when long pointers are used.
2053 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2054 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2055 (ia64-hp-*vms*): Remove.
2056 * config/vms/xm-vms64.h: Delete.
2058 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2061 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2063 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2065 * opts.c (finish_options): Remove duplicate sorry.
2067 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2070 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2073 2012-01-04 Richard Guenther <rguenther@suse.de>
2076 * tree.c (size_low_cst): New function.
2077 * tree.h (size_low_cst): Declare.
2078 * fold-const.c (fold_comparison): Use it to extract the low
2079 part of the POINTER_PLUS_EXPR offset.
2081 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2083 Fix clearing ZERO_REG
2084 * config/avr/avr.md (cc): Add alternative "ldi".
2085 (movqi_insn): Use it in cc attribute.
2086 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2087 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2088 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2090 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2092 * configure: Regenerate.
2094 2012-01-04 Richard Guenther <rguenther@suse.de>
2096 PR tree-optimization/49651
2097 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2098 (var_can_have_subvars): Use it.
2099 (get_constraint_for_1): Only consider subfields if there can be any.
2101 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2104 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2105 to its new canonical_cselib_val and the cselib_val was in
2106 first_containing_mem chain, but the canonical_cselib_val was not,
2107 add the latter into the chain.
2108 (cselib_invalidate_mem): Compare canonical_cselib_val of
2109 addr_list chain elt with v.
2112 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2113 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2115 (output_macinfo_op): Don't ggc_strdup fd->filename.
2116 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2117 then ggc_strdup it. Don't free inc->info or cur->info.
2118 (output_macinfo): Don't free ref->info or file->info.
2120 2012-01-03 Ira Rosen <irar@il.ibm.com>
2122 PR tree-optimization/51269
2123 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2124 first_niters a pointer.
2125 (slpeel_tree_peel_loop_to_edge): Likewise.
2126 (vect_do_peeling_for_loop_bound): Update call to
2127 slpeel_tree_peel_loop_to_edge.
2128 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2129 here. Remove it from the parameters list.
2130 (vect_do_peeling_for_alignment): Update calls and compute
2133 2012-01-03 Richard Guenther <rguenther@suse.de>
2135 PR tree-optimization/51070
2136 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2137 Properly handle calls.
2139 2012-01-03 Richard Guenther <rguenther@suse.de>
2141 PR tree-optimization/51692
2142 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2143 the LHS of allocation stmts.
2145 2012-01-03 Olivier Hainque <hainque@adacore.com>
2147 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2149 2012-01-03 Olivier Hainque <hainque@adacore.com>
2151 * collect2.c (main): In AIX specific computations for vector
2152 insertions, use CONST_CAST2 to cast from char ** to const char **.
2154 2012-01-03 Richard Guenther <rguenther@suse.de>
2157 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2158 the context of a limbo DIE when it does not already exist.
2160 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2162 PR tree-optimization/51719
2163 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2164 but direct call is, clear direct call's lhs and don't add fallthrough
2165 edge from dcall_bb to join_bb and PHIs.
2167 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2169 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2170 the instructions emitted by the pattern.
2171 ("*TDC_insn_<mode>"): Add comment.
2173 2012-01-03 Richard Guenther <rguenther@suse.de>
2176 * fold-const.c (fold_comparison): Properly canonicalize
2177 tree offset and HOST_WIDE_INT bit position.
2179 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2181 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2182 operands for extzv pattern.
2184 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2187 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2190 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2192 * doc/invoke.texi (-flto and related options): Copy-edit.
2194 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2196 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2198 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2200 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2203 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2205 * expr.h (move_by_pieces_ninsns): Declare.
2206 * expr.c (move_by_pieces_ninsns): Make external.
2207 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2208 (mips_store_by_pieces_p): Likewise.
2209 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2210 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2211 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2212 (mips_store_by_pieces_p): Likewise.
2214 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2216 * passes.c (register_one_dump_file): Free full_name.
2218 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2219 (calculate_elim_costs_all_insns): Free offsets_at and
2220 offsets_known_at at the end and clear the pointers.
2222 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2224 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2225 this option introduced in r180739.
2227 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2230 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2231 (tmake_file target=avr): Add avr/t-multilib.
2233 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2234 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2235 * config/avr/genmultilib.awk: New file.
2236 * config/avr/t-multilib: New auto-generated file.
2237 * config/avr/multilib.h: New auto-generated file.
2238 * config/avr/t-avr (AVR_MCUS): New variable.
2239 (genopt.sh): Use it.
2240 (s-mlib): Depend on t-multilib.
2241 (t-multilib, multilib.h): New dependencies.
2242 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2243 (MULTILIB_OPTIONS): Remove.
2244 (MULTILIB_MATCHES): Remove.
2245 (MULTILIB_DIRNAMES): Remove.
2246 (MULTILIB_EXCEPTIONS): Remove:
2247 * config/avr/genopt.sh: Don't use hard coded file name;
2248 pass AVR_MCUS from t-avr instead.
2250 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2252 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2254 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2256 Implement light-weight DImode support.
2257 * config/avr/avr-dimode.md: New file.
2258 * config/avr/avr.md: Include it.
2259 (adjust_len): Add plus64, compare64.
2260 (HIDI): Remove code iterator.
2261 (code_stdname): New code attribute.
2262 (rotx, rotsmode): Remove DI.
2263 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2265 * config/avr/avr-protos.h (avr_have_dimode): New.
2266 (avr_out_plus64, avr_out_compare64): New.
2267 * config/avr/avr.c (avr_out_compare): Handle DImode.
2268 (avr_have_dimode): New variable definition and initialization.
2269 (avr_out_compare64, avr_out_plus64): New functions.
2270 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2271 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2272 (avr_compare_pattern): Skip DImode comparisons.
2274 2012-01-02 Revital Eres <revital.eres@linaro.org>
2276 * ddg.c (def_has_ccmode_p): New function.
2277 (add_cross_iteration_register_deps,
2278 create_ddg_dep_from_intra_loop_link): Call it.
2280 2012-01-02 Richard Guenther <rguenther@suse.de>
2283 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2285 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2287 * gcc.c (process_command): Update copyright notice dates.
2288 * gcov.c (print_version): Likewise.
2289 * gcov-dump.c (print_version): Likewise.
2290 * mips-tfile.c (main): Likewise.
2291 * mips-tdump.c (main): Likewise.
2293 2012-01-01 Ira Rosen <irar@il.ibm.com>
2295 PR tree-optimization/51704
2296 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2297 a use is inside the basic block or loop before accessing its vect info.
2299 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2301 PR rtl-optimization/51069
2302 * cfgloopmanip.c (remove_path): Removing path making irreducible
2303 region unconditional makes BB part of the region.
2305 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2307 PR tree-optimization/51683
2308 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2309 calls with side-effects.
2310 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2312 Copyright (C) 2012 Free Software Foundation, Inc.
2314 Copying and distribution of this file, with or without modification,
2315 are permitted in any medium without royalty provided the copyright
2316 notice and this notice are preserved.