1 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
3 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
4 disallow changes from SFmode to mode with different size in FP regs.
6 2012-02-12 Robert Millan <rmh@gnu.org>
7 Gerald Pfeifer <gerald@pfeifer.com>
9 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
12 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
14 PR rtl-optimization/52175
15 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
16 to frame-related instructions.
18 2012-02-10 Jason Merrill <jason@redhat.com>
21 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
22 (demangle_new_symbols): Fill it.
23 (scan_linker_output): Walk it.
24 (start_tweaking): Split out from scan_linker_output.
25 (maybe_tweak): Update sym->chosen.
26 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
28 2012-02-11 Jakub Jelinek <jakub@redhat.com>
31 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
34 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
36 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
37 having the same mode as previous compare.
39 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
41 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
42 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
43 (nonlocal_goto_internal): Likewise.
44 (nonlocal_goto): Emit a use and an indirect jump directly.
46 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
49 * doc/extend.texi : Update comments for __atomic_compare_exchange and
50 __atomic_{is,always}_lock_free.
52 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
55 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
56 negative constant address for x32.
58 2012-02-10 Richard Henderson <rth@redhat.com>
60 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
61 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
62 for GIMPLE_TRANSACTION. Tidy if's into a switch.
64 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
65 Ira Rosen <irar@il.ibm.com>
67 PR tree-optimization/50031
68 * targhooks.c (default_builtin_vectorization_cost): Handle
70 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
71 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
72 all types of reduction and pattern statements.
73 (vect_estimate_min_profitable_iters): Likewise.
74 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
75 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
76 for explicit realigns.
77 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
78 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
80 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
81 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
82 vec_perm for VSX and handle vec_promote_demote.
84 2012-02-10 Jakub Jelinek <jakub@redhat.com>
87 * builtins.c (fold_builtin_atomic_always_lock_free,
88 expand_builtin_atomic_always_lock_free,
89 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
90 Return and/or test boolean_true_node/boolean_false_node instead of
91 integer_one_node/integer_zero_node.
93 2012-02-10 Jan Hubicka <jh@suse.cz>
96 * predict.c (predict_paths_for_bb): Prevent looping.
97 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
99 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
101 * config/arm/arm.c (output_move_double): In one case properly
102 count number of instructions that will be emitted.
104 2012-02-10 Richard Guenther <rguenther@suse.de>
107 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
109 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
112 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
114 2012-02-09 Jakub Jelinek <jakub@redhat.com>
117 * var-tracking.c (emit_note_insn_var_location): If
118 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
119 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
120 non-NOTE_DURING_CALL_P insn.
122 2012-02-09 Bin Cheng <bin.cheng@arm.com>
125 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
127 2012-02-08 Magnus Granberg <zorry@gentoo.org>
130 * gcc.c (switch_matches) Support switches with separated form,
133 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
135 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
138 * config/avr/avr.c (avr_addr_t): New typedef.
139 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
140 (avr_init_expanders): Initialize it.
141 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
143 (expand_epilogue): Ditto.
144 (avr_print_operand): Ditto.
145 (avr_file_start): Ditto.
146 (avr_emit_movmemhi): Ditto.
148 2012-02-08 Richard Guenther <rguenther@suse.de>
150 PR tree-optimization/46886
151 * tree-flow.h (do_while_loop_p): Declare.
152 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
153 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
155 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
157 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
158 always succeed for integers larger than a native word.
160 2012-02-08 Richard Guenther <rguenther@suse.de>
162 PR rtl-optimization/52170
163 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
164 properly handle integer vector modes.
166 2012-02-08 Jakub Jelinek <jakub@redhat.com>
168 PR gcov-profile/52150
169 * coverage.c: Include target.h.
170 (build_var): Call targetm.strip_name_encoding on the assembler name.
171 Change one _ into . or $ if the target allows it.
172 * Makefile.in (coverage.o): Depend on $(TARGET_H).
174 PR rtl-optimization/52139
175 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
176 is a BARRIER after emit_insn_after_noloc, move BB_END
177 to the last non-BARRIER insn before it.
179 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
182 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
183 (mips_gimplify_va_arg_expr): Call it instead of
184 std_gimplify_va_arg_expr.
186 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
188 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
189 message for -mno-pointers-to-nested-function.
191 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
194 * expr.c (get_inner_reference): If there is an offset, add a negative
195 bit position to it (if any).
197 2012-02-07 Jakub Jelinek <jakub@redhat.com>
199 PR rtl-optimization/52060
200 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
201 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
202 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
203 and/or i0src_copy2 when needed.
205 2012-02-07 Jakub Jelinek <jakub@redhat.com>
207 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
208 or LTOPLUGINSONAME if have_c.
210 * config/freebsd-spec.h: Add comment about what macros can be defined
212 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
213 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
216 2012-02-07 Richard Guenther <rguenther@suse.de>
218 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
219 newline in -alias dumps.
221 2012-02-07 Kai Tietz <ktietz@redhat.com>
222 Dave Korn <dave.korn.cygwin@gmail.com>
225 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
226 Take care that typinfo gets dllexport-attribute.
228 2012-02-07 Jakub Jelinek <jakub@redhat.com>
231 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
232 if modifier < EXPAND_SUM call force_operand on the result.
234 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
236 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
237 adding __forwarder_dst__ prefix if a forwarder_section attribute is
239 (epiphany_function_type): Replace types for specific interrupts with
240 EPIPHANY_FUNCTION_INTERRUPT.
241 (EPIPHANY_INTERRUPT_P): Update.
242 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
244 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
245 <disinterrupt>: Affects type identity.
246 (epiphany_handle_interrupt_attribute): Handle variable number of
248 (epiphany_compute_function_type): Update for new
249 epiphany_function_type definition.
250 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
251 handlers with a longcall forwarder.
252 (epiphany_start_function): Handle multiple interrupt arguments and/or
253 forwarder_section attribute.
255 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
258 2012-02-07 Alan Modra <amodra@gmail.com>
261 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
264 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
266 PR tree-optimization/50969
267 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
268 use vec_perm rather than vector_stmt.
269 (vect_model_load_cost): Likewise.
270 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
271 vec_perm to be the same as other vector statements.
272 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
273 cost of vec_perm for TARGET_VSX.
275 2012-02-06 Richard Guenther <rguenther@suse.de>
277 PR tree-optimization/52115
278 * tree-sra.c (access_has_replacements_p): New function.
279 (sra_modify_assign): Use it to decide whether a use is uninitialized.
281 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
284 * trans-mem.c (expand_call_tm): Add an assertion.
285 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
288 2012-02-06 Richard Guenther <rguenther@suse.de>
290 PR tree-optimization/50955
291 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
292 raise cost of expressions that replace an address with an
293 expression based on a different pointer.
295 2012-02-06 Jakub Jelinek <jakub@redhat.com>
298 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
299 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
301 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
304 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
305 -Weffc++ and specify guidelines come from second edition.
307 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
309 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
310 (sibcall_value_multiple_internal, call_split, call_internal_direct)
311 (call_direct_split, call_value_split, call_value_internal_direct)
312 (call_value_direct_split, call_value_multiple_split): Use jal and
313 jal_macro attributes.
315 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
317 * reload1.c (reload_regs_reach_end_p): Replace with...
318 (reload_reg_rtx_reaches_end_p): ...this function.
319 (new_spill_reg_store): Update commentary.
320 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
321 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
322 before setting new_spill_reg_store.
323 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
324 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
325 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
326 for non-spill reload registers.
328 2012-02-05 Ira Rosen <irar@il.ibm.com>
330 PR tree-optimization/52091
331 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
332 (vect_is_simple_use_1): Likewise.
333 * tree-vect-loop.c (vectorizable_reduction): Update calls
334 to vect_is_simple_use_1 and vect_is_simple_use.
335 (vectorizable_live_operation): Likewise.
336 * tree-vect-patterns.c (widened_name_p,
337 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
338 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
339 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
340 vectorizable_shift,vectorizable_operation, vectorizable_store,
341 vectorizable_load): Likewise.
342 (vect_is_simple_cond): Add an argument, pass it to
343 vect_is_simple_use_1.
344 (vectorizable_condition): Update calls to vect_is_simple_cond,
346 (vect_is_simple_use): Add an argument, the statement in which
347 OPERAND is used. Check that if OPERAND's def stmt is a double
348 reduction phi node, the use is a phi node too.
349 (vect_is_simple_use_1): Add an argument, pass it to
351 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
352 to vect_is_simple_use.
354 2012-02-04 Jakub Jelinek <jakub@redhat.com>
356 PR rtl-optimization/52095
357 * modulo-sched.c (dump_insn_locator): New function.
358 (loop_canon_p, sms_schedule): Use it.
360 PR rtl-optimization/52113
361 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
362 even for decomposable shift/zext insns.
364 2012-02-03 Jakub Jelinek <jakub@redhat.com>
365 Zdenek Dvorak <ook@ucw.cz>
367 PR rtl-optimization/52092
368 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
369 on get_iv_value result.
371 2012-02-02 Andrew Pinski <apinski@cavium.com>
375 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
377 2012-02-02 Jakub Jelinek <jakub@redhat.com>
380 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
382 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
384 PR rtl-optimization/49800
385 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
386 (sched_finish): Call regstat_free_n_sets_and_refs.
388 2012-02-02 Jia Liu <proljc@gmail.com>
390 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
393 2012-02-02 Jan Hubicka <jh@suse.cz>
394 Tom de Vries <tom@codesourcery.com>
397 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
398 * varpool.c (varpool_analyze_pending_decls): Likewise.
400 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
401 Jayant R Sonar <jayant.sonar@kpitcummins.com>
403 * config.gcc: Add cr16-* support.
405 * doc/extend.texi: Document cr16 extensions.
406 * doc/install.texi: Document cr16 install.
407 * doc/invoke.texi: Document cr16 options.
408 * doc/md.texi: Document cr16 constraints.
410 * common/config/cr16/cr16-common.c: New file.
411 * config/cr16/cr16.c: New file.
412 * config/cr16/cr16.h: New file.
413 * config/cr16/cr16.md: New file.
414 * config/cr16/cr16.opt: New file.
415 * config/cr16/cr16-protos.h: New file.
416 * config/cr16/predicates.md: New file.
417 * config/cr16/constraints.md: New file.
418 * config/cr16/t-cr16: New file.
420 2012-02-02 Jakub Jelinek <jakub@redhat.com>
423 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
424 that operands[2] is either immediate, or q_regs_operand.
426 PR tree-optimization/52073
427 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
428 a pattern stmt for pattern uses, ignore uses outside of the loop.
430 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
432 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
433 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
434 (OUT_AS1, OUT_AS2): Remove.
436 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
438 PR rtl-optimization/51374
439 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
440 to cross other volatile_refs_p insns.
442 2012-02-01 Richard Guenther <rguenther@suse.de>
444 * doc/invoke.texi (fno-inline): Clarify documentation.
445 (finline-small-functions): Likewise.
446 (finline-functions): Likewise.
447 * common.opt (finline): Adjust comment and documentation.
448 (finline-small-functions): Clarify documentation.
449 (finline-functions): Likewise.
450 (finline-functions-called-once): Likewise.
452 2012-02-01 Tristan Gingold <gingold@adacore.com>
454 * c-typeck.c (composite_type): Keep mode for pointers.
456 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
458 * function.h (regno_reg_rtx): Adjust comment.
459 * reginfo.c (init_reg_modes_target): Only use the previous mode
460 if it fits within one register. Remove MIPS comment.
462 2012-01-31 Jakub Jelinek <jakub@redhat.com>
465 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
467 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
469 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
472 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
474 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
476 2012-01-31 Jakub Jelinek <jakub@redhat.com>
481 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
483 2012-01-31 Richard Guenther <rguenther@suse.de>
485 PR tree-optimization/51528
486 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
489 2012-01-31 Jakub Jelinek <jakub@redhat.com>
494 * ree.c (add_removable_extension): Change def_map argument
495 to unsigned *, store in def_map 1 + offset into *insn_list vector
496 instead of pointers into the vector.
497 (find_removable_extensions): Adjust caller.
499 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
501 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
502 Transform all "* quoted-c-code" to { c-code }.
503 Remove redundant test for "optimize" in combine patterns.
504 Move (include "avr-dimode.md") to end of file.
506 2012-01-30 Bin Cheng <bin.cheng@arm.com>
509 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
510 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
512 2012-01-30 Richard Guenther <rguenther@suse.de>
514 PR tree-optimization/52028
515 * tree-loop-distribution.c (ldist_gen): Properly update
518 2012-01-30 Jakub Jelinek <jakub@redhat.com>
521 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
522 set_cur_line_info_table if not emitting debug info.
524 PR tree-optimization/52046
525 * tree-vect-patterns.c (check_bool_pattern): Give up if
526 a comparison could throw.
529 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
531 2012-01-30 Richard Guenther <rguenther@suse.de>
533 PR tree-optimization/52045
534 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
535 SSA form if cfgcleanup did anything.
537 2012-01-30 Richard Guenther <rguenther@suse.de>
539 PR tree-optimization/52045
540 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
541 before computing final todo.
543 2012-01-30 Richard Guenther <rguenther@suse.de>
545 PR tree-optimization/51528
546 * tree-sra.c (sra_modify_assign): Re-factor in preparation
549 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
551 * df-problems.c (df_kill_notes): Check that the use refers
552 to the note under examination.
554 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
557 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
558 parameter and use short-lived pseudos.
559 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
560 (sparc_expand_vector_init): Const-ify local variables and adjust
561 calls to above functions.
563 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
565 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
567 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
569 * doc/invoke.texi: Make usage of "compile time" and
570 "run time"/"runtime" consistent throughout the file.
572 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
574 * config/alpha/alpha.c (alpha_option_override): Default to
575 full IEEE compliance mode for Go language.
577 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
579 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
580 (LINK_SSP_SPEC): Define.
582 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
585 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
588 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
590 * doc/invoke.texi: Correct hyphenation of "floating point",
591 "double precision", and related terminology throughout the file.
593 2012-01-28 Jakub Jelinek <jakub@redhat.com>
596 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
597 arm_general_register_operand predicate for operand 2 instead of
600 2012-01-27 Ian Lance Taylor <iant@google.com>
603 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
604 * builtins.c (expand_builtin_init_trampoline): Add onstack
605 parameter. Change caller.
606 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
607 * tree.c (build_common_builtin_nodes): Declare
608 __builtin_init_heap_trampoline.
610 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
612 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
613 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
614 * config/avr/avr.c: Ditto.
615 (avr_regnames): Remove because unused.
616 * config/avr/avr.md (*cpse.ne): New peephole.
617 (*cpse.eq): New peephole from former cpse peepholes.
619 2012-01-27 Michael Eager <eager@eagercon.com>
621 * config/microblaze.c (microblaze_emit_compare): Correct
622 test after pcmp instruction.
624 2012-01-27 Richard Guenther <rguenther@suse.de>
626 PR tree-optimization/52020
627 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
629 2012-01-27 Richard Guenther <rguenther@suse.de>
631 * ipa-pure-const.c (check_stmt): Clobbers do not make a
632 function non-const/pure.
634 2012-01-27 Richard Guenther <rguenther@suse.de>
636 PR tree-optimization/50444
637 * tree-sra.c (build_ref_for_offset): Properly adjust the
638 MEM_REF type for unaligned accesses.
640 2012-01-27 Richard Guenther <rguenther@suse.de>
642 PR tree-optimization/50444
643 * expr.c (mem_ref_refers_to_non_mem_p): New function.
644 (expand_assignment): Use it. Properly handle misaligned
645 bases when expanding stores to component references.
646 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
649 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
652 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
653 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
654 * tree-data-ref.c (find_data_references_in_loop): Make static.
655 (compute_all_dependences): Change return type to bool. Bail out
656 for too many datarefs in a loop. Move the hunk resetting the data
657 dependences vector from ...
658 (compute_data_dependences_for_loop): ... here. Account for
659 compute_all_dependences returning false.
660 (compute_data_dependences_for_bb): Likewise.
661 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
662 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
664 2012-01-27 Richard Guenther <rguenther@suse.de>
667 * expr.c (store_field): Use the alias-set of the scratch memory
670 2012-01-27 Tom de Vries <tom@codesourcery.com>
672 PR tree-optimization/51990
673 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
675 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
677 2012-01-27 Jakub Jelinek <jakub@redhat.com>
680 * var-tracking.c (reverse_op): Don't add any reverse operation
681 if V already has any constant locations.
683 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
685 * doc/invoke.texi: Correct usage of "command line" (noun)
686 vs "command-line" (adjective) throughout.
688 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
690 * doc/invoke.texi (Language Independent Options): Move
691 -Wcoverage-mismatch blurb from here....
692 (Warning Options): ...to here.
694 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
696 * config/rs6000/rs6000.c (rs6000_option_override_internal):
697 Set rs6000_always_hint to false for 476.
699 2012-01-27 Matthias Klose <doko@ubuntu.com>
701 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
703 * incpath.c (add_standard_paths): Likewise.
705 2012-01-27 Richard Henderson <rth@redhat.com>
707 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
708 * config/m68k/sync.md (atomic_test_and_set): Rename from
709 sync_test_and_setqi and adjust the operands.
710 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
711 and unconditionally enable.
713 2012-01-27 Richard Henderson <rth@redhat.com>
715 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
716 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
717 (ldstub): Rename from ldstubqi.
718 (ldstub<I24MODE>): Remove.
720 2012-01-27 Richard Henderson <rth@redhat.com>
722 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
723 * c-cppbuiltin.c (cpp_atomic_builtins): Define
724 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
725 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
726 * doc/tm.texi: Rebuild.
728 2012-01-27 Richard Henderson <rth@redhat.com>
730 * optabs.c (gen_atomic_test_and_set): Remove default.
731 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
733 2012-01-26 Jakub Jelinek <jakub@redhat.com>
735 PR rtl-optimization/51978
736 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
737 (combine_reaching_defs): Likewise.
738 (struct re_info): Remove.
739 (add_removable_extension): Remove x and data arguments,
740 add insn, insn_list and def_map. Use the arguments directly
741 instead of using struct re_info.
742 (find_removable_extensions): Don't call add_removable_extension
743 through note_stores, instead just call it with single_set
745 (find_and_remove_re): Pass curr_cand->expr instead of
746 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
748 2012-01-26 Michael Matz <matz@suse.de>
750 PR tree-optimization/46590
751 * cfgexpand.c: Revert last change (r183305).
752 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
754 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
755 checking for emptiness.
757 2012-01-26 Jakub Jelinek <jakub@redhat.com>
760 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
761 non-addressable non-BLKmode base correctly.
763 2012-01-26 Michael Matz <matz@suse.de>
765 PR tree-optimization/48794
766 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
767 regions referenced from RESX/EH_DISPATCH.
769 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
771 * config/s390/s390.h: Make BRANCH_COST an option.
772 * config/s390/s390.opt: New option -mbranch-cost.
774 2012-01-26 Richard Henderson <rth@redhat.com>
776 Revert 2012-01-24 change:
777 * trans-mem.c (requires_barrier): Do not instrument thread local
778 variables and emit save/restore for them.
780 2012-01-25 Jakub Jelinek <jakub@redhat.com>
783 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
786 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
788 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
791 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
794 Rename __pgm to __flash.
795 Rename __pgm1 to __flash1.
796 Rename __pgm2 to __flash2.
797 Rename __pgm3 to __flash3.
798 Rename __pgm4 to __flash4.
799 Rename __pgm5 to __flash5.
800 Rename __pgmx to __memx.
801 * doc/extend.texi (AVR Named Address Spaces)
802 Rename address space names as indicated above.
803 * config/avr/avr.c (avr_addrspace): Ditto.
805 * config/avr/avr-protos.h
806 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
807 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
808 * config/avr/predicates.md: Ditto.
809 * config/avr/avr.c Ditto, and
810 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
811 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
813 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
814 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
815 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
816 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
817 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
818 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
819 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
820 * config/avr/avr.c: Ditto.
821 * config/avr/avr.md: Ditto.
823 2012-01-25 Jason Merrill <jason@redhat.com>
826 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
828 2012-01-25 Jakub Jelinek <jakub@redhat.com>
830 PR tree-optimization/51987
831 * tree-data-ref.c (get_references_in_stmt): Handle references in
832 non-volatile GIMPLE_ASM.
834 2012-01-25 Richard Guenther <rguenther@suse.de>
836 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
837 bases are dereferenced.
839 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
841 PR rtl-optimization/48374
842 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
844 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
846 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
847 compute_data_dependences_for_loop returns false.
848 * tree-parloops.c (loop_parallel_p): Likewise.
850 2012-01-25 Richard Guenther <rguenther@suse.de>
852 * tree.h (get_pointer_alignment_1): Declare.
853 * builtins.c (get_pointer_alignment_1): New function.
854 (get_pointer_alignment): Use it.
856 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
858 PR rtl-optimization/48308
859 * combine.c (enum undo_kind): Add UNDO_LINKS.
860 (struct undo): Add member l to other_contents and where.
861 (do_SUBST_LINK): New.
863 (try_combine): Handle LOG_LINKS for the dummy i1 case.
864 (undo_all): Handle UNDO_LINKS.
866 2012-01-25 Richard Henderson <rth@redhat.com>
868 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
871 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
873 * optabs.c (gen_atomic_test_and_set): Use each argument.
875 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
877 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
878 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
879 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
880 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
881 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
882 TARGET_PAIRED_SINGLE_FLOAT.
884 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
886 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
887 (in_struct, return_val): Remove MEM documentation.
888 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
889 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
890 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
892 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
893 * cfgexpand.c (add_alias_set_conflicts): Likewise.
894 * expr.c (store_field): Likewise.
895 * function.c (assign_stack_temp_for_type): Likewise.
896 * ifcvt.c (noce_try_cmove_arith): Likewise.
897 * reload1.c (reload): Likewise.
898 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
899 (alpha_set_memflags): Likewise.
900 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
902 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
904 * rtl.h (true_dependence, canon_true_dependence): Remove varies
906 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
907 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
908 (true_dependence_1, true_dependence, canon_true_dependence): Remove
910 * cselib.c (cselib_rtx_varies_p): Delete.
911 (cselib_invalidate_mem): Update call to canon_true_dependence.
912 * dse.c (record_store, check_mem_read_rtx): Likewise.
913 (scan_reads_nospill): Likewise.
914 * cse.c (check_dependence): Likewise.
915 (cse_rtx_varies_p): Delete.
916 * expr.c (safe_from_p): Update call to true_dependence.
917 * ira.c (validate_equiv_mem_from_store): Likewise.
918 (memref_referenced_p): Likewise.
919 * postreload-gcse.c (find_mem_conflicts): Likewise.
920 * sched-deps.c (sched_analyze_2): Likewise.
921 * store-motion.c (load_kills_store): Likewise.
922 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
923 * gcse.c (mems_conflict_for_gcse_p): Likewise.
924 (compute_transp): Update call to canon_true_dependence.
926 2012-01-25 Richard Henderson <rth@redhat.com>
928 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
929 (maybe_emit_atomic_test_and_set): New.
930 (expand_sync_lock_test_and_set): Use it.
931 (expand_atomic_test_and_set): Likewise.
932 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
933 the implementation; clarify implementation defined details.
934 * doc/md.texi (atomic_test_and_set): Document.
936 2012-01-25 Richard Henderson <rth@redhat.com>
938 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
940 2012-01-25 Richard Henderson <rth@redhat.com>
943 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
944 to effect no-op split.
946 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
949 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
950 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
951 (BT_FN_VOID_PTR_INT_SIZE): New.
952 (BT_FN_UINT_UINT_VAR): Remove.
953 (BT_FN_UINT32_UINT32_VAR): New.
954 (BT_FN_DOUBLE_VPTR): Remove.
955 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
957 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
958 (_ITM_changeTransactionMode): Same.
959 (_ITM_memmoveRtWt): Change return type to void.
960 (_ITM_memcpyRtWt): Same.
961 (_ITM_memsetW): Same.
962 (_ITM_RaRD): Change types to double.
967 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
969 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
970 Patrick Marlier <patrick.marlier@gmail.com>
972 * trans-mem.c (requires_barrier): Do not instrument thread local
973 variables and emit save/restore for them.
975 2012-01-24 Jason Merrill <jason@redhat.com>
978 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
979 output static aliases.
981 2012-01-24 Jakub Jelinek <jakub@redhat.com>
984 * common.opt (-pie, -shared, pie, shared): Change from Common to
986 * gcc.c (display_help): Display help for -pie and -shared.
988 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
991 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
992 Remove note on size/offset limitation.
993 (AVR Variable Attributes): Add example how to read data located
994 with progmem. Refer to named address spaces.
995 * doc/invoke.texi (AVR Options): Fix typo.
997 2012-01-24 Richard Guenther <rguenther@suse.de>
999 Forward-port to trunk
1000 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1003 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1004 op0 isn't sufficiently aligned and there is movmisalignM
1005 insn for mode, use it to load op0 into a temporary register.
1007 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1010 * target.def (const_not_ok_for_debug_p): New hook.
1011 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1013 * doc/tm.texi: Regenerated.
1014 * dwarf2out.c (const_ok_for_output_1): If
1015 targetm.const_not_ok_for_debug_p returns true, fail.
1016 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1018 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1020 2012-01-23 Kai Tietz <ktietz@redhat.com>
1023 * config/i386/predicates.md (symbolic_operand): Allow
1024 UNSPEC_PCREL as PIC expression for lea.
1025 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1026 * config/i386/i386.c (ix86_delegitimize_address): Handle
1027 UNSPEC_PCREL for none-MEM, too.
1029 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1031 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1032 (ipa_tm_create_version_alias): Same.
1034 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1037 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1038 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1040 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1041 Patrick Marlier <patrick.marlier@gmail.com>
1042 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1045 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1046 simple_object_start_read.
1048 2012-01-23 Richard Guenther <rguenther@suse.de>
1051 PR tree-optimization/51895
1052 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1053 parameter decomposition into BLKmode components.
1055 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1057 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1058 fake variables for restrict-qualified pointers whose pointed-to type
1059 contains a placeholder.
1061 2012-01-23 Richard Guenther <rguenther@suse.de>
1063 PR tree-optimization/51949
1064 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1066 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1068 PR rtl-optimization/51933
1069 * ree.c (transform_ifelse): Return true right away if dstreg is
1070 already wider or equal to cand->mode.
1071 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1072 (make_defs_and_copies_lists): Remove defs_list and copies_list
1073 arguments, add state argument, just truncate state->work_list
1074 instead of always allocating and freeing the vector. Assert that
1075 get_defs succeeds instead of returning 2. Changed return type to bool.
1076 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1077 have ext_src_mode, see if it has been modified already with the
1078 right kind of extension and has been extended before from the
1079 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1080 just return true. Remember the original mode in state->modified array.
1081 (combine_reaching_defs): Add state argument. Don't allocate and
1082 free here def_list, copied_list and vec vectors, instead just
1083 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1084 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1085 Add state variable, clear vectors in it, initialize state.modified
1086 if needed. Free all the vectors at the end and state.modified too.
1087 Don't skip a candidate if the extension expression has been modified.
1089 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1092 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1093 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1094 (extra_options) interix.opt -> i386/interix.opt"
1095 (extra_objs):Add winnt-stubs.o
1096 * configure.ac: Add interix to target_os .comm on PE check.
1097 * configure: Regenerate.
1098 * config/interix3.h: Delete and move bits to..
1099 * config/interix.h: Delete and move bits to..
1100 * config/i386/i386-interix3.h: Delete and move bits to..
1101 * config/i386/i386-interix.h: ..here.
1102 (TARGET_CPU_DEFAULT): Remove redefinition.
1103 (TARGET_ASM_CONSTRUCTOR): Undefine.
1104 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1105 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1106 (PTRDIFF_TYPE): Define.
1107 (LONG_DOUBLE_TYPE_SIZE): Define.
1108 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1109 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1110 (TARGET_SECTION_TYPE_FLAGS): Define.
1111 (ASM_DECLARE_FUNCTION_NAME): Define.
1112 (ASM_OUTPUT_EXTERNAL): Define.
1113 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1114 (ASM_OUTPUT_ALIGNED_BSS): Define.
1115 (PCC_BITFIELD_TYPE_MATTERS): Define.
1116 (USE_CONST_SECTION): Define.
1117 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1118 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1119 (SUPPORTS_ONE_ONLY): Remove.
1120 (I386_PE_STRIP_ENCODING): Define.
1121 * config/interix.opt: Delete and move bits to..
1122 * config/i386/interix.opt: ..here. New.
1123 (mpe-aligned-commons): Add.
1124 * config/i386/t-interix: Add copyright header.
1125 (winnt-stubs.o): Add rule.
1127 2012-01-22 Jason Merrill <jason@redhat.com>
1130 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1131 for extra name aliases.
1133 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1135 PR rtl-optimization/51924
1136 * ree.c (combine_set_extension): Improve debugging message.
1137 (combine_reaching_defs): Likewise.
1138 (get_defs): Rename confusingly named variable.
1139 (find_and_remove_re): Skip a candidate if the extension expression has
1142 2012-01-21 Robert Millan <rmh@gnu.org>
1143 Gerald Pfeifer <gerald@pfeifer.com>
1145 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1146 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1148 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1150 PR tree-optimization/51914
1151 * tree-vect-stmts.c (vectorizable_conversion): For
1152 cvt_type && modifier == WIDEN, put temporary with cvt_type
1153 at the beginning of vec_dsts and set vec_dest to temporary
1156 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1158 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1160 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1162 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1163 * config/rs6000/rs6000.c: Likewise.
1165 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1168 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1169 output_move_double on a copy of operands array.
1171 2012-01-20 Cary Coutant <ccoutant@google.com>
1172 Dodji Seketeli <dodji@redhat.com>
1175 * dwarf2out.c (copy_declaration_context): Return ref to parent
1176 of declaration DIE, if necessary.
1177 (remove_child_or_replace_with_skeleton): Add new parameter; update
1178 caller. Place skeleton DIE under parent DIE of original declaration.
1179 Move call to copy_declaration_context to here ...
1180 (break_out_comdat_types): ... from here.
1182 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1184 PR rtl-optimization/51856
1185 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1188 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1191 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1192 hints for neon loads and stores.
1194 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1198 * doc/extend.texi (Named Address Spaces): Split into subsections.
1199 (AVR Named Address Spaces): New subsection.
1200 (M32C Named Address Spaces): New subsection.
1201 (RL78 Named Address Spaces): New subsection.
1202 (SPU Named Address Spaces): New subsection.
1203 (Variable Attributes): New anchor "AVR Variable Attributes".
1204 (AVR Variable Attributes): Rewrite and avoid wording
1205 "address space" in this context.
1206 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1207 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1208 (AVR Built-in Macros): New subsubsection therein.
1209 * doc/md.texi (AVR constraints): Remove "C04", "R".
1211 2012-01-20 Richard Guenther <rguenther@suse.de>
1213 PR tree-optimization/51903
1214 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1215 when removing stmts.
1217 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1220 * config/arm/arm.c (arm_load_pic_register): Use
1221 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1222 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1223 (arm_pic_static_addr): Likewise.
1224 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1225 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1226 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1227 (pic_load_addr_unified): New.
1229 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1232 * function.c (instantiate_virtual_regs_in_insn): Use
1233 delete_insn_and_edges when removing a wrong asm insn.
1235 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1237 PR rtl-optimization/40761
1238 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1239 Add new member loop_num.
1240 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1241 (ira_build): Remove the parameter.
1243 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1244 (ira.c): Do not build CFG loops for one region allocation. Remove
1245 argument from ira_build call.
1247 * ira-build.c (init_loop_tree_node): New function.
1248 (create_loop_tree_nodes): Use it. Separate the case when CFG
1249 loops are not built.
1250 (more_one_region_p): Check current_loops.
1251 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1253 (add_loop_to_tree): Process loop equal to NULL too.
1254 (form_loop_tree): Separate the case when CFG loops are not built.
1255 Use explicitly number for the root.
1256 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1258 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1259 instead of loop->num.
1260 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1261 (mark_all_loops_for_removal): Ditto.
1262 (remove_unnecessary_regions): Separate the case when CFG loops
1264 (ira_build): Remove the parameter. Use explicit number of regions
1265 when CFG loops are not built.
1267 * ira-color.c (print_loop_title): Separate the case for the root node.
1268 Use loop_num instead of loop->num.
1269 (move_spill_restore): Use loop_num instead of loop->num.
1271 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1272 (change_loop): Ditto.
1273 (change_loop): Use loop_num instead of loop->num.
1275 * ira-lives.c (process_bb_node_lives): Ditto.
1277 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1279 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1281 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1284 * tree-mudflap.c (mf_artificial): New function.
1285 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1286 mx_register_decls, mudflap_enqueue_decl): Use it.
1289 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1290 numbers in the insn pattern.
1292 2012-01-19 Michael Matz <matz@suse.de>
1294 PR tree-optimization/46590
1295 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1296 use it in remembering which conflicts we already created.
1297 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1300 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1303 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1304 (merge_and_complain): Same.
1306 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1309 * config/initfini-array.h: Guard content of the header
1310 with #ifdef HAVE_INITFINI_ARRAY.
1311 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1312 Add initfini-array.h to tm_file here.
1313 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1314 * config.gcc: Don't add initfini-array.h to tm_file here.
1315 * configure: Regenerated.
1317 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1319 PR rtl-optimization/51505
1320 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1321 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1322 (df_note_bb_compute): Update the call to df_kill_notes.
1324 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1326 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1328 2012-01-18 Richard Guenther <rguenther@suse.de>
1330 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1331 of conversions to void *.
1333 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1334 Richard Sandiford <rdsandiford@googlemail.com>
1338 * optabs.h (simplify_expand_binop): Declare.
1339 * optabs.c (simplify_expand_binop): Make global.
1340 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1341 endian targets if the source cannot be exactly covered by word
1344 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1347 * hard-reg-set.h (struct hard_reg_set_container): New type.
1348 * target.h (struct hard_reg_set_container): Forward declare.
1349 * target.def (set_up_by_prologue): New target hook.
1350 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1351 * doc/tm.texi: Regenerated.
1352 * function.c (thread_prologue_and_epilogue_insns): Change
1353 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1354 Call targetm.set_up_by_prologue on it.
1355 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1356 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1358 2012-01-17 Nick Clifton <nickc@redhat.com>
1360 * config/rx/rx.c (rx_can_use_simple_return): New function.
1361 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1362 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1364 2012-01-17 Richard Guenther <rguenther@suse.de>
1367 * expr.c (expand_assignment): Take address-space information
1368 from the address operand of MEM_REF and TARGET_MEM_REF.
1369 (expand_expr_real_1): Likewise.
1371 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1373 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1374 reload dump is requested.
1376 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1379 * trans-mem.c (requires_barrier): Call may_be_aliased.
1381 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1383 PR tree-optimization/51877
1384 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1385 call arguments and fndecls compare equal, instead return false if they
1386 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1387 both SSA_NAMEs that are valueized the same, or they satisfy
1390 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1392 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1394 * configure: Regenerate.
1396 2012-01-16 Jan Hubicka <jh@suse.cz>
1400 * convert.c (convert_to_integer): Use fold_convert for
1401 converting an INTEGER_CST to integer type.
1403 2012-01-16 Jason Merrill <jason@redhat.com>
1406 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1408 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1411 * config/s390/s390.c (s390_chunkify_start): Don't skip
1412 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1413 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1414 If insn is followed by NOTE_INSN_VAR_LOCATION or
1415 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1416 Don't use location of note insns.
1418 PR tree-optimization/51865
1419 * tree-inline.c (tree_function_versioning): Call remap_decl
1420 on DECL_RESULT whenever it has VOID_TYPE_P type.
1422 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1424 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1425 for calls to locally-binding MIPS16 functions if only the return
1426 type uses float regs.
1428 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1429 Richard Sandiford <rdsandiford@googlemail.com>
1431 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1432 (SYMBOL_32_HIGH): Likewise.
1433 (mips_output_tls_reloc_directive): Declare.
1434 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1435 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1436 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1437 (mips_lo_relocs, mips_hi_relocs): Make extern.
1438 (mips16_stub_function): Move up file.
1439 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1440 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1441 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1442 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1443 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1444 (mips_get_tp): Add MIPS16 support.
1445 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1446 Generalize DTPREL and TPREL handling.
1447 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1448 Add MIPS16 TLS support.
1449 (mips_output_tls_reloc_directive): New function.
1450 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1451 * config/mips/predicates.md (symbolic_operand_with_high)
1452 (tls_reloc_operand): New predicates.
1453 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1454 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1455 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1456 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1457 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1458 (*tls_get_tp_mips16_call_<mode>): Likewise.
1460 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1462 PR rtl-optimization/51821
1463 * recog.c (peep2_find_free_register): Determine clobbered registers
1466 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1469 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1470 * config/avr/avr.c: Likewise.
1471 * config/avr/avr.h: Likewise.
1473 2012-01-13 Ian Lance Taylor <iant@google.com>
1476 * tree.h (TYPE_QUALS): Add cast to int.
1477 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1479 2012-01-13 Ian Lance Taylor <iant@google.com>
1481 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1482 comparing param_index to VEC_length result.
1484 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1486 * c-decl.c: Do not include tree-mudflap.h
1487 * tree-optimize.c: Likewise.
1488 * Makefile.in: Update dependencies.
1490 2012-01-13 Richard Guenther <rguenther@suse.de>
1493 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1494 variable-sized result always use RSO.
1496 2012-01-12 DJ Delorie <dj@redhat.com>
1498 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1499 pointer type, not just the default pointer type.
1501 2012-01-09 Richard Henderson <rth@redhat.com>
1502 Denis Chertykov <chertykov@gmail.com>
1505 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1506 * config/avr/avr.c (avr_can_eliminate): Simplify.
1507 (avr_initial_elimination_offset): Likewise.
1508 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1509 (expand_epilogue): Likewise.
1510 (avr_legitimize_address): Gut.
1511 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1512 (avr_hard_regno_nregs): New.
1513 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1514 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1515 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1516 add soft frame pointer.
1517 (CALL_USED_REGISTERS): Likewise.
1518 (REG_CLASS_CONTENTS): Likewise.
1519 (REGISTER_NAMES): Likewise.
1520 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1521 (HARD_FRAME_POINTER_REGNUM): New.
1522 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1523 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1524 remove the HARD_FRAME_POINTER self-elimination.
1526 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1529 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1530 DECL_EXTERNAL when checking for initializers of progmem variables.
1532 2012-01-12 Ira Rosen <irar@il.ibm.com>
1534 PR tree-optimization/51799
1535 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1536 that the last operation is a type demotion.
1538 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1540 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1541 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1543 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1546 * combine.c (distribute_notes): If i3 is a noreturn call,
1547 allow old_size to be equal to args_size and make sure the
1548 noreturn call gets REG_ARGS_SIZE note.
1549 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1550 on noreturn calls even when the delta is 0.
1552 2012-01-11 Nathan Sidwell <nathan@acm.org>
1554 * gcov.c (STRING_SIZE): Remove.
1555 (generate_results): Erase annotations for source files with no
1556 coverage information.
1558 (output_lines): Use it.
1560 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1562 * gimple.h (gimplify_body): Remove first argument.
1563 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1564 pointer set here, instead just pass DATA to walk_tree.
1565 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1566 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1567 (unvisit_body): Likewise, but with unmark_visited.
1568 (gimplify_body): Remove BODY_P argument and adjust.
1569 (gimplify_function_tree): Adjust call to gimplify_body.
1570 * omp-low.c (finalize_task_copyfn): Likewise.
1572 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1574 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1575 (build_function_type_skip_args): Delete.
1576 * tree.c (build_function_type_skip_args): Make static and add
1577 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1578 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1579 pass it to build_function_type_skip_args.
1580 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1581 (tree_function_versioning): Likewise.
1582 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1583 build_function_decl_skip_args.
1584 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1585 and pass it to build_function_decl_skip_args/tree_function_versioning.
1586 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1587 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1588 * trans-mem.c (ipa_tm_create_version): Likewise.
1589 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1590 * tree-inline.c (declare_return_variable): Remove always-true test.
1591 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1592 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1593 * ipa-split.c (split_function): Skip the return value for the split
1594 part if it doesn't return.
1596 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1598 PR tree-optimization/49642
1599 * ipa-split.c (forbidden_dominators): New variable.
1600 (check_forbidden_calls): New function.
1601 (dominated_by_forbidden): Likewise.
1602 (consider_split): Check for forbidden dominators.
1603 (execute_split_functions): Initialize and free forbidden
1604 dominators info; call check_forbidden_calls.
1606 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1608 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1610 2012-01-11 Nick Clifton <nickc@redhat.com>
1612 * config/rx/rx.md (return): Define pattern.
1614 2012-01-11 Richard Guenther <rguenther@suse.de>
1616 * doc/extend.texi (malloc attribute): Adjust according to
1619 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1620 Patrick Marlier <patrick.marlier@gmail.com>
1623 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1624 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1625 (ipa_tm_note_irrevocable): Same.
1626 (ipa_tm_scan_irr_block): Same.
1627 (ipa_tm_decrement_clone_counts): Same.
1628 (ipa_tm_scan_irr_function): Same.
1629 (ipa_tm_create_version_alias): Same.
1630 (ipa_tm_create_version): Same.
1631 (ipa_tm_transform_calls_redirect): Same.
1632 (ipa_tm_transform_calls): Same.
1633 (ipa_tm_transform_transaction): Same.
1634 (ipa_tm_execute): Same.
1636 2012-01-10 Richard Guenther <rguenther@suse.de>
1639 * opts.c (common_handle_option): Handle -Werror.
1641 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1643 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1646 2012-01-10 Jason Merrill <jason@redhat.com>
1648 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1651 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1653 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1654 supports R_386_TLS_GD_PLT reloc.
1655 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1656 supports R_386_TLS_LDM_PLT reloc.
1657 * configure: Regenerate.
1658 * config.in: Regenerate.
1660 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1663 Extend __pgmx semantics to linearize memory.
1664 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1665 determine if code comes inline or from libgcc.
1666 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1667 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1668 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1669 (movmemx_qi, movmemx_hi): New insns.
1670 (xload_<mode>_libgcc): Rewrite to new insn condition.
1671 (xload_<mode>): Remove insns.
1672 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1673 cases that don't satisfy avr_xload_libgcc_p().
1674 (avr_addr_space_convert): Allow converting in any direction.
1675 (avr_addr_space_subset_p): Return always true.
1676 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1677 (avr_emit_movmemhi): Ditto.
1678 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1679 (avr_out_movmem): Ditto.
1680 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1681 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1682 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1683 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1684 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1686 2012-01-10 Richard Guenther <rguenther@suse.de>
1688 PR tree-optimization/50913
1689 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1690 Require data-refs to be representable by Graphite with respect
1693 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1695 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1696 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1698 2012-01-10 Tom de Vries <tom@codesourcery.com>
1700 PR rtl-optimization/51271
1701 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1702 handling annulled branch.
1704 2012-01-10 Richard Henderson <rth@redhat.com>
1706 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1707 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1708 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1709 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1710 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1711 arm_expand_vec_perm_const): New.
1712 * config/arm/arm-protos.h: Update.
1713 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1714 (*neon_vswp<VDQX>): New.
1715 (neon_vcombine<VDX>): Use neon_split_vcombine.
1716 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1717 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1718 (vec_perm<VE>): New.
1720 2012-01-10 Richard Henderson <rth@redhat.com>
1722 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1723 use it if reload_completed.
1724 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1725 arm_output_asm_insn, arm_process_output_memory_barrier,
1726 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1727 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1728 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1729 arm_process_output_sync_insn, arm_output_sync_insn,
1730 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1731 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1732 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1733 (emit_unlikely_jump): New.
1734 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1735 (arm_split_atomic_op): New.
1736 * config/arm/arm-protos.h: Update.
1737 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1738 (struct arm_sync_generator): Remove.
1739 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1740 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1741 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1742 (VUNSPEC_LL, VUNSPEC_SC): New.
1743 (sync_result, sync_memory, sync_required_value, sync_new_value,
1744 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1745 (attr length): Don't use arm_sync_loop_insns.
1746 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1747 (movsfcc, movdfcc): Likewise.
1748 * config/arm/constraints.md (Ua): New.
1749 * config/arm/prediates.md (mem_noofs_operand): New.
1750 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1751 (sync_clobber, sync_t2_reqd): Remove.
1752 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1753 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1754 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1755 (arm_sync_compare_and_swap<SIDI>): Remove.
1756 (arm_sync_compare_and_swap<NARROW>): Remove.
1757 (arm_sync_lock_test_and_set<SIDI>): Remove.
1758 (arm_sync_lock_test_and_set<NARROW>): Remove.
1759 (arm_sync_new_<syncop><SIDI>): Remove.
1760 (arm_sync_new_<syncop><NARROW>): Remove.
1761 (arm_sync_new_nand<SIDI>): Remove.
1762 (arm_sync_new_nand<NARROW>): Remove.
1763 (arm_sync_old_<syncop><SIDI>): Remove.
1764 (arm_sync_old_<syncop><NARROW>): Remove.
1765 (arm_sync_old_nand<SIDI>): Remove.
1766 (arm_sync_old_nand<NARROW>): Remove.
1767 (*memory_barrier): Merge arm_output_memory_barrier.
1768 (atomic_compare_and_swap<QHSD>): New.
1769 (atomic_compare_and_swap<NARROW>_1): New.
1770 (atomic_compare_and_swap<SIDI>_1): New.
1771 (atomic_exchange<QHSD>): New.
1772 (cas_cmp_operand, cas_cmp_str): New.
1773 (atomic_op_operand, atomic_op_str): New.
1774 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1775 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1776 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1777 (arm_load_exclusive<NARROW>): New.
1778 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1779 (arm_store_exclusive<QHSD>): New.
1781 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1783 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1784 reload patterns if -mvsx-scalar-memory.
1786 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1787 generated, even -mno-vsx-scalar-double was used.
1788 (vsx_xscvdpsp_scalar): Likewise.
1789 (vsx_xscvspdp_scalar2): Likewise.
1791 2012-01-09 Tom de Vries <tom@codesourcery.com>
1792 Andrew Pinski <apinski@cavium.com>
1795 * reorg.c (fill_slots_from_thread): Don't speculate
1796 frame-related insns.
1798 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1800 * sched-int.h (bb_note): Move to...
1801 * basic-block.h: ...here.
1802 * haifa-sched.c (bb_note): Move to...
1803 * cfgrtl.c: ...here.
1804 * function.c (next_block_for_reg): New function.
1805 (move_insn_for_shrink_wrap): Likewise.
1806 (prepare_shrink_wrap): Rewrite to use the above.
1808 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1810 * gimple.c (is_gimple_non_addressable): Remove.
1811 * gimple.h: Remove is_gimple_non_addressable.
1812 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1813 is_gimple_non_addressable.
1814 * trans-mem.c (expand_assign_tm): Same.
1816 2012-01-09 Richard Guenther <rguenther@suse.de>
1818 PR tree-optimization/51775
1819 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1820 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1822 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1824 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1826 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1828 2012-01-09 Richard Guenther <rguenther@suse.de>
1830 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1832 2012-01-08 Jan Hubicka <jh@suse.cz>
1834 PR tree-optimize/51680
1835 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1836 on when known_vals needs to be computed; cleanup.
1838 2012-01-08 Jan Hubicka <jh@suse.cz>
1840 PR tree-optimize/51694
1841 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1843 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1845 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1846 for -std=c++98 and -std=c++11 too.
1848 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1850 * cfgloop.c (cancel_loop): Add free() of bbs array.
1852 2012-01-07 Jan Hubicka <jh@suse.cz>
1854 PR tree-optimization/51600
1855 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1856 that benefits small functions.
1858 2012-01-07 Jan Hubicka <jh@suse.cz>
1860 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1862 2012-01-07 Jan Hubicka <jh@suse.cz>
1864 PR tree-optimization/51680
1865 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1866 whose inlining reduce unit size.
1868 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1871 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1872 Add canonical node to containing_mem chain after the non-canonical
1873 one, even if there weren't any locs to propagate.
1874 (remove_useless_values): Keep only canonical values.
1875 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1876 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1877 canonicalize mem_chain elements that are not discarded.
1879 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1882 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1883 before emitting functions.
1885 PR gcov-profile/50127
1886 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1887 clear_aux_for_blocks.
1889 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1892 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1894 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1896 * c-decl.c (ext_block): Moved up.
1897 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1899 2012-01-06 Han Shen <shenhan@google.com>
1901 Translate built-in include paths for sysroot.
1902 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1903 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1905 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1906 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1908 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1909 control whether sysroot should be prepended to gxx include dir.
1911 * configure: Regenerate.
1913 2012-01-06 Torvald Riegel <triegel@redhat.com>
1915 PR rtl-optimization/51771
1916 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1917 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1919 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1921 PR tree-optimization/51315
1922 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1923 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1925 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1928 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1929 for shrp pattern. Correctly handle and fixup shift variable.
1930 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1932 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1935 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1936 note when !ACCUMULATE_OUTGOING_ARGS.
1938 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1940 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1942 (extract_range_from_unary_expr_1): Avoid useless computations.
1944 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1946 PR rtl-optimization/51767
1947 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1948 of jump_block and add an extra edge for degenerated asm gotos.
1951 * stmt.c (check_unique_operand_names): Don't ICE during error
1952 reporting if i is from labels chain.
1955 * profile.c (branch_prob): Split bbs that have exit edge
1956 and need a fake entry edge too.
1958 2012-01-05 Jan Hubicka <jh@suse.cz>
1961 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1964 2012-01-05 Richard Guenther <rguenther@suse.de>
1967 * tree-streamer-out.c (write_ts_optimization): New function.
1968 (streamer_write_tree_body): Call it.
1969 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1970 (streamer_read_tree_body): Call it.
1971 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1973 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1976 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1977 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1978 in_cleanup_point_expr before gimplify_stmt call and restore it
1980 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1981 in_cleanup_point_expr is false.
1983 2012-01-05 Richard Guenther <rguenther@suse.de>
1986 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1988 * toplev.c (process_options): Reject combining mudflap and LTO.
1989 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1991 2012-01-05 Richard Guenther <rguenther@suse.de>
1993 PR tree-optimization/51760
1994 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1996 (bit_value_unop): Handle UNDEFINED operands.
1997 (bit_value_binop): Likewise.
1999 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2001 * config/avr/avr.c (avr_replace_prefix): Remove.
2002 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2003 (avr_asm_function_rodata_section): Ditto.
2004 (avr_asm_select_section): Ditto.
2006 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2008 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2011 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2014 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2015 calls that have any non-fake successor edges.
2018 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2020 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2022 PR tree-optimization/51624
2023 * tree-sra.c (build_ref_for_model): When replicating a chain of
2024 COMPONENT_REFs, stop as soon as the offset would become negative.
2026 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2029 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2030 in .debug_loc on the floor.
2032 2012-01-04 Andrew Pinski <apinski@cavium.com>
2034 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2036 2012-01-04 Andrew Pinski <apinski@cavium.com>
2037 Adam Nemet <anemet@caviumnetworks.com>
2039 * config/mips/mips.md (size): Add SI and DI.
2040 (SIZE): New mode attribute.
2041 (U): New code attribute.
2042 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2043 (mips_lbux_<mode>): Delete.
2044 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2045 (mips_lhx): Use gen_mips_lhx_extsi.
2046 (mips_lhx_<mode>): Delete.
2048 (mips_l<size>x): New expand.
2049 (mips_lwx_<mode>): Delete.
2050 (mips_l<GPR:size>x_<P:mode>): New pattern.
2051 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2052 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2053 * config/mips/mips.c (mips_lx_address_p): New function.
2054 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2055 (dsp64): New availability predicate.
2056 (mips_builtins): Add an entry for __builtin_mips_ldx.
2057 * config/mips/mips.h (ISA_HAS_LBX): New define.
2058 (ISA_HAS_LBUX): Likewise.
2059 (ISA_HAS_LHX): Likewise.
2060 (ISA_HAS_LHUX): Likewise.
2061 (ISA_HAS_LWX): Likewise.
2062 (ISA_HAS_LWUX): Likewise.
2063 (ISA_HAS_LDX): Likewise.
2064 * doc/extend.texi (__builtin_mips_ldx): Document.
2066 2012-01-04 Tristan Gingold <gingold@adacore.com>
2068 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2069 when long pointers are used.
2070 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2071 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2072 (ia64-hp-*vms*): Remove.
2073 * config/vms/xm-vms64.h: Delete.
2075 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2078 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2080 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2082 * opts.c (finish_options): Remove duplicate sorry.
2084 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2087 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2090 2012-01-04 Richard Guenther <rguenther@suse.de>
2093 * tree.c (size_low_cst): New function.
2094 * tree.h (size_low_cst): Declare.
2095 * fold-const.c (fold_comparison): Use it to extract the low
2096 part of the POINTER_PLUS_EXPR offset.
2098 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2100 Fix clearing ZERO_REG
2101 * config/avr/avr.md (cc): Add alternative "ldi".
2102 (movqi_insn): Use it in cc attribute.
2103 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2104 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2105 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2107 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2109 * configure: Regenerate.
2111 2012-01-04 Richard Guenther <rguenther@suse.de>
2113 PR tree-optimization/49651
2114 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2115 (var_can_have_subvars): Use it.
2116 (get_constraint_for_1): Only consider subfields if there can be any.
2118 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2121 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2122 to its new canonical_cselib_val and the cselib_val was in
2123 first_containing_mem chain, but the canonical_cselib_val was not,
2124 add the latter into the chain.
2125 (cselib_invalidate_mem): Compare canonical_cselib_val of
2126 addr_list chain elt with v.
2129 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2130 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2132 (output_macinfo_op): Don't ggc_strdup fd->filename.
2133 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2134 then ggc_strdup it. Don't free inc->info or cur->info.
2135 (output_macinfo): Don't free ref->info or file->info.
2137 2012-01-03 Ira Rosen <irar@il.ibm.com>
2139 PR tree-optimization/51269
2140 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2141 first_niters a pointer.
2142 (slpeel_tree_peel_loop_to_edge): Likewise.
2143 (vect_do_peeling_for_loop_bound): Update call to
2144 slpeel_tree_peel_loop_to_edge.
2145 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2146 here. Remove it from the parameters list.
2147 (vect_do_peeling_for_alignment): Update calls and compute
2150 2012-01-03 Richard Guenther <rguenther@suse.de>
2152 PR tree-optimization/51070
2153 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2154 Properly handle calls.
2156 2012-01-03 Richard Guenther <rguenther@suse.de>
2158 PR tree-optimization/51692
2159 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2160 the LHS of allocation stmts.
2162 2012-01-03 Olivier Hainque <hainque@adacore.com>
2164 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2166 2012-01-03 Olivier Hainque <hainque@adacore.com>
2168 * collect2.c (main): In AIX specific computations for vector
2169 insertions, use CONST_CAST2 to cast from char ** to const char **.
2171 2012-01-03 Richard Guenther <rguenther@suse.de>
2174 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2175 the context of a limbo DIE when it does not already exist.
2177 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2179 PR tree-optimization/51719
2180 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2181 but direct call is, clear direct call's lhs and don't add fallthrough
2182 edge from dcall_bb to join_bb and PHIs.
2184 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2186 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2187 the instructions emitted by the pattern.
2188 ("*TDC_insn_<mode>"): Add comment.
2190 2012-01-03 Richard Guenther <rguenther@suse.de>
2193 * fold-const.c (fold_comparison): Properly canonicalize
2194 tree offset and HOST_WIDE_INT bit position.
2196 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2198 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2199 operands for extzv pattern.
2201 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2204 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2207 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2209 * doc/invoke.texi (-flto and related options): Copy-edit.
2211 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2213 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2215 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2217 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2220 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2222 * expr.h (move_by_pieces_ninsns): Declare.
2223 * expr.c (move_by_pieces_ninsns): Make external.
2224 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2225 (mips_store_by_pieces_p): Likewise.
2226 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2227 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2228 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2229 (mips_store_by_pieces_p): Likewise.
2231 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2233 * passes.c (register_one_dump_file): Free full_name.
2235 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2236 (calculate_elim_costs_all_insns): Free offsets_at and
2237 offsets_known_at at the end and clear the pointers.
2239 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2241 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2242 this option introduced in r180739.
2244 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2247 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2248 (tmake_file target=avr): Add avr/t-multilib.
2250 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2251 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2252 * config/avr/genmultilib.awk: New file.
2253 * config/avr/t-multilib: New auto-generated file.
2254 * config/avr/multilib.h: New auto-generated file.
2255 * config/avr/t-avr (AVR_MCUS): New variable.
2256 (genopt.sh): Use it.
2257 (s-mlib): Depend on t-multilib.
2258 (t-multilib, multilib.h): New dependencies.
2259 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2260 (MULTILIB_OPTIONS): Remove.
2261 (MULTILIB_MATCHES): Remove.
2262 (MULTILIB_DIRNAMES): Remove.
2263 (MULTILIB_EXCEPTIONS): Remove:
2264 * config/avr/genopt.sh: Don't use hard coded file name;
2265 pass AVR_MCUS from t-avr instead.
2267 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2269 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2271 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2273 Implement light-weight DImode support.
2274 * config/avr/avr-dimode.md: New file.
2275 * config/avr/avr.md: Include it.
2276 (adjust_len): Add plus64, compare64.
2277 (HIDI): Remove code iterator.
2278 (code_stdname): New code attribute.
2279 (rotx, rotsmode): Remove DI.
2280 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2282 * config/avr/avr-protos.h (avr_have_dimode): New.
2283 (avr_out_plus64, avr_out_compare64): New.
2284 * config/avr/avr.c (avr_out_compare): Handle DImode.
2285 (avr_have_dimode): New variable definition and initialization.
2286 (avr_out_compare64, avr_out_plus64): New functions.
2287 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2288 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2289 (avr_compare_pattern): Skip DImode comparisons.
2291 2012-01-02 Revital Eres <revital.eres@linaro.org>
2293 * ddg.c (def_has_ccmode_p): New function.
2294 (add_cross_iteration_register_deps,
2295 create_ddg_dep_from_intra_loop_link): Call it.
2297 2012-01-02 Richard Guenther <rguenther@suse.de>
2300 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2302 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2304 * gcc.c (process_command): Update copyright notice dates.
2305 * gcov.c (print_version): Likewise.
2306 * gcov-dump.c (print_version): Likewise.
2307 * mips-tfile.c (main): Likewise.
2308 * mips-tdump.c (main): Likewise.
2310 2012-01-01 Ira Rosen <irar@il.ibm.com>
2312 PR tree-optimization/51704
2313 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2314 a use is inside the basic block or loop before accessing its vect info.
2316 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2318 PR rtl-optimization/51069
2319 * cfgloopmanip.c (remove_path): Removing path making irreducible
2320 region unconditional makes BB part of the region.
2322 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2324 PR tree-optimization/51683
2325 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2326 calls with side-effects.
2327 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2329 Copyright (C) 2012 Free Software Foundation, Inc.
2331 Copying and distribution of this file, with or without modification,
2332 are permitted in any medium without royalty provided the copyright
2333 notice and this notice are preserved.