1 2012-02-14 Jakub Jelinek <jakub@redhat.com>
3 PR tree-optimization/52210
4 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
5 vect_model_simple_cost with two entry vect_def_type array instead
8 2012-02-14 Richard Guenther <rguenther@suse.de>
11 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
12 Do not stream DECL_QUALIFIER.
13 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
14 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
15 (find_decls_types_r): Do not walk DECL_QUALIFIER.
17 2012-02-14 Jakub Jelinek <jakub@redhat.com>
20 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
23 2012-02-13 Jakub Jelinek <jakub@redhat.com>
26 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
27 * cselib.c (cselib_subst_to_values_from_insn): New function.
28 * sched-deps.c (add_insn_mem_dependence,
29 sched_analyze_1, sched_analyze_2): Use it.
31 2012-02-13 Jan Hubicka <jh@suse.cz>
34 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
36 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
38 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
39 (GTM_SELF_SPECS): Define if not already defined.
40 (driver_self_specs): Add GTM_SELF_SPECS.
41 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
42 (GTM_SELF_SPECS): Define.
43 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
44 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
46 2012-02-13 Jakub Jelinek <jakub@redhat.com>
48 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
51 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
55 * omp-low.c (expand_omp_for): If a static schedule without
56 chunk size has NULL region->cont, force fd.chunk_size to be
59 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
62 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
64 2012-02-13 Richard Guenther <rguenther@suse.de>
67 * passes.c (enable_disable_pass): Fix typo.
69 2012-02-13 Jakub Jelinek <jakub@redhat.com>
72 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
73 XOR for reduce_bit_field if type is unsigned.
75 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
77 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
78 disallow changes from SFmode to mode with different size in FP regs.
80 2012-02-12 Robert Millan <rmh@gnu.org>
81 Gerald Pfeifer <gerald@pfeifer.com>
83 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
86 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
88 PR rtl-optimization/52175
89 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
90 to frame-related instructions.
92 2012-02-10 Jason Merrill <jason@redhat.com>
95 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
96 (demangle_new_symbols): Fill it.
97 (scan_linker_output): Walk it.
98 (start_tweaking): Split out from scan_linker_output.
99 (maybe_tweak): Update sym->chosen.
100 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
102 2012-02-11 Jakub Jelinek <jakub@redhat.com>
105 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
108 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
110 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
111 having the same mode as previous compare.
113 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
115 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
116 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
117 (nonlocal_goto_internal): Likewise.
118 (nonlocal_goto): Emit a use and an indirect jump directly.
120 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
123 * doc/extend.texi : Update comments for __atomic_compare_exchange and
124 __atomic_{is,always}_lock_free.
126 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
129 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
130 negative constant address for x32.
132 2012-02-10 Richard Henderson <rth@redhat.com>
134 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
135 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
136 for GIMPLE_TRANSACTION. Tidy if's into a switch.
138 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
139 Ira Rosen <irar@il.ibm.com>
141 PR tree-optimization/50031
142 * targhooks.c (default_builtin_vectorization_cost): Handle
144 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
145 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
146 all types of reduction and pattern statements.
147 (vect_estimate_min_profitable_iters): Likewise.
148 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
149 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
150 for explicit realigns.
151 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
152 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
154 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
155 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
156 vec_perm for VSX and handle vec_promote_demote.
158 2012-02-10 Jakub Jelinek <jakub@redhat.com>
161 * builtins.c (fold_builtin_atomic_always_lock_free,
162 expand_builtin_atomic_always_lock_free,
163 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
164 Return and/or test boolean_true_node/boolean_false_node instead of
165 integer_one_node/integer_zero_node.
167 2012-02-10 Jan Hubicka <jh@suse.cz>
170 * predict.c (predict_paths_for_bb): Prevent looping.
171 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
173 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
175 * config/arm/arm.c (output_move_double): In one case properly
176 count number of instructions that will be emitted.
178 2012-02-10 Richard Guenther <rguenther@suse.de>
181 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
183 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
186 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
188 2012-02-09 Jakub Jelinek <jakub@redhat.com>
191 * var-tracking.c (emit_note_insn_var_location): If
192 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
193 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
194 non-NOTE_DURING_CALL_P insn.
196 2012-02-09 Bin Cheng <bin.cheng@arm.com>
199 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
201 2012-02-08 Magnus Granberg <zorry@gentoo.org>
204 * gcc.c (switch_matches) Support switches with separated form,
207 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
209 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
212 * config/avr/avr.c (avr_addr_t): New typedef.
213 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
214 (avr_init_expanders): Initialize it.
215 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
217 (expand_epilogue): Ditto.
218 (avr_print_operand): Ditto.
219 (avr_file_start): Ditto.
220 (avr_emit_movmemhi): Ditto.
222 2012-02-08 Richard Guenther <rguenther@suse.de>
224 PR tree-optimization/46886
225 * tree-flow.h (do_while_loop_p): Declare.
226 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
227 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
229 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
231 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
232 always succeed for integers larger than a native word.
234 2012-02-08 Richard Guenther <rguenther@suse.de>
236 PR rtl-optimization/52170
237 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
238 properly handle integer vector modes.
240 2012-02-08 Jakub Jelinek <jakub@redhat.com>
242 PR gcov-profile/52150
243 * coverage.c: Include target.h.
244 (build_var): Call targetm.strip_name_encoding on the assembler name.
245 Change one _ into . or $ if the target allows it.
246 * Makefile.in (coverage.o): Depend on $(TARGET_H).
248 PR rtl-optimization/52139
249 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
250 is a BARRIER after emit_insn_after_noloc, move BB_END
251 to the last non-BARRIER insn before it.
253 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
256 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
257 (mips_gimplify_va_arg_expr): Call it instead of
258 std_gimplify_va_arg_expr.
260 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
262 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
263 message for -mno-pointers-to-nested-function.
265 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
268 * expr.c (get_inner_reference): If there is an offset, add a negative
269 bit position to it (if any).
271 2012-02-07 Jakub Jelinek <jakub@redhat.com>
273 PR rtl-optimization/52060
274 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
275 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
276 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
277 and/or i0src_copy2 when needed.
279 2012-02-07 Jakub Jelinek <jakub@redhat.com>
281 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
282 or LTOPLUGINSONAME if have_c.
284 * config/freebsd-spec.h: Add comment about what macros can be defined
286 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
287 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
290 2012-02-07 Richard Guenther <rguenther@suse.de>
292 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
293 newline in -alias dumps.
295 2012-02-07 Kai Tietz <ktietz@redhat.com>
296 Dave Korn <dave.korn.cygwin@gmail.com>
299 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
300 Take care that typinfo gets dllexport-attribute.
302 2012-02-07 Jakub Jelinek <jakub@redhat.com>
305 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
306 if modifier < EXPAND_SUM call force_operand on the result.
308 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
310 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
311 adding __forwarder_dst__ prefix if a forwarder_section attribute is
313 (epiphany_function_type): Replace types for specific interrupts with
314 EPIPHANY_FUNCTION_INTERRUPT.
315 (EPIPHANY_INTERRUPT_P): Update.
316 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
318 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
319 <disinterrupt>: Affects type identity.
320 (epiphany_handle_interrupt_attribute): Handle variable number of
322 (epiphany_compute_function_type): Update for new
323 epiphany_function_type definition.
324 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
325 handlers with a longcall forwarder.
326 (epiphany_start_function): Handle multiple interrupt arguments and/or
327 forwarder_section attribute.
329 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
332 2012-02-07 Alan Modra <amodra@gmail.com>
335 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
338 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
340 PR tree-optimization/50969
341 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
342 use vec_perm rather than vector_stmt.
343 (vect_model_load_cost): Likewise.
344 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
345 vec_perm to be the same as other vector statements.
346 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
347 cost of vec_perm for TARGET_VSX.
349 2012-02-06 Richard Guenther <rguenther@suse.de>
351 PR tree-optimization/52115
352 * tree-sra.c (access_has_replacements_p): New function.
353 (sra_modify_assign): Use it to decide whether a use is uninitialized.
355 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
358 * trans-mem.c (expand_call_tm): Add an assertion.
359 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
362 2012-02-06 Richard Guenther <rguenther@suse.de>
364 PR tree-optimization/50955
365 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
366 raise cost of expressions that replace an address with an
367 expression based on a different pointer.
369 2012-02-06 Jakub Jelinek <jakub@redhat.com>
372 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
373 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
375 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
378 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
379 -Weffc++ and specify guidelines come from second edition.
381 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
383 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
384 (sibcall_value_multiple_internal, call_split, call_internal_direct)
385 (call_direct_split, call_value_split, call_value_internal_direct)
386 (call_value_direct_split, call_value_multiple_split): Use jal and
387 jal_macro attributes.
389 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
391 * reload1.c (reload_regs_reach_end_p): Replace with...
392 (reload_reg_rtx_reaches_end_p): ...this function.
393 (new_spill_reg_store): Update commentary.
394 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
395 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
396 before setting new_spill_reg_store.
397 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
398 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
399 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
400 for non-spill reload registers.
402 2012-02-05 Ira Rosen <irar@il.ibm.com>
404 PR tree-optimization/52091
405 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
406 (vect_is_simple_use_1): Likewise.
407 * tree-vect-loop.c (vectorizable_reduction): Update calls
408 to vect_is_simple_use_1 and vect_is_simple_use.
409 (vectorizable_live_operation): Likewise.
410 * tree-vect-patterns.c (widened_name_p,
411 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
412 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
413 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
414 vectorizable_shift,vectorizable_operation, vectorizable_store,
415 vectorizable_load): Likewise.
416 (vect_is_simple_cond): Add an argument, pass it to
417 vect_is_simple_use_1.
418 (vectorizable_condition): Update calls to vect_is_simple_cond,
420 (vect_is_simple_use): Add an argument, the statement in which
421 OPERAND is used. Check that if OPERAND's def stmt is a double
422 reduction phi node, the use is a phi node too.
423 (vect_is_simple_use_1): Add an argument, pass it to
425 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
426 to vect_is_simple_use.
428 2012-02-04 Jakub Jelinek <jakub@redhat.com>
430 PR rtl-optimization/52095
431 * modulo-sched.c (dump_insn_locator): New function.
432 (loop_canon_p, sms_schedule): Use it.
434 PR rtl-optimization/52113
435 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
436 even for decomposable shift/zext insns.
438 2012-02-03 Jakub Jelinek <jakub@redhat.com>
439 Zdenek Dvorak <ook@ucw.cz>
441 PR rtl-optimization/52092
442 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
443 on get_iv_value result.
445 2012-02-02 Andrew Pinski <apinski@cavium.com>
449 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
451 2012-02-02 Jakub Jelinek <jakub@redhat.com>
454 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
456 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
458 PR rtl-optimization/49800
459 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
460 (sched_finish): Call regstat_free_n_sets_and_refs.
462 2012-02-02 Jia Liu <proljc@gmail.com>
464 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
467 2012-02-02 Jan Hubicka <jh@suse.cz>
468 Tom de Vries <tom@codesourcery.com>
471 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
472 * varpool.c (varpool_analyze_pending_decls): Likewise.
474 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
475 Jayant R Sonar <jayant.sonar@kpitcummins.com>
477 * config.gcc: Add cr16-* support.
479 * doc/extend.texi: Document cr16 extensions.
480 * doc/install.texi: Document cr16 install.
481 * doc/invoke.texi: Document cr16 options.
482 * doc/md.texi: Document cr16 constraints.
484 * common/config/cr16/cr16-common.c: New file.
485 * config/cr16/cr16.c: New file.
486 * config/cr16/cr16.h: New file.
487 * config/cr16/cr16.md: New file.
488 * config/cr16/cr16.opt: New file.
489 * config/cr16/cr16-protos.h: New file.
490 * config/cr16/predicates.md: New file.
491 * config/cr16/constraints.md: New file.
492 * config/cr16/t-cr16: New file.
494 2012-02-02 Jakub Jelinek <jakub@redhat.com>
497 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
498 that operands[2] is either immediate, or q_regs_operand.
500 PR tree-optimization/52073
501 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
502 a pattern stmt for pattern uses, ignore uses outside of the loop.
504 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
506 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
507 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
508 (OUT_AS1, OUT_AS2): Remove.
510 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
512 PR rtl-optimization/51374
513 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
514 to cross other volatile_refs_p insns.
516 2012-02-01 Richard Guenther <rguenther@suse.de>
518 * doc/invoke.texi (fno-inline): Clarify documentation.
519 (finline-small-functions): Likewise.
520 (finline-functions): Likewise.
521 * common.opt (finline): Adjust comment and documentation.
522 (finline-small-functions): Clarify documentation.
523 (finline-functions): Likewise.
524 (finline-functions-called-once): Likewise.
526 2012-02-01 Tristan Gingold <gingold@adacore.com>
528 * c-typeck.c (composite_type): Keep mode for pointers.
530 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
532 * function.h (regno_reg_rtx): Adjust comment.
533 * reginfo.c (init_reg_modes_target): Only use the previous mode
534 if it fits within one register. Remove MIPS comment.
536 2012-01-31 Jakub Jelinek <jakub@redhat.com>
539 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
541 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
543 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
546 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
548 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
550 2012-01-31 Jakub Jelinek <jakub@redhat.com>
555 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
557 2012-01-31 Richard Guenther <rguenther@suse.de>
559 PR tree-optimization/51528
560 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
563 2012-01-31 Jakub Jelinek <jakub@redhat.com>
568 * ree.c (add_removable_extension): Change def_map argument
569 to unsigned *, store in def_map 1 + offset into *insn_list vector
570 instead of pointers into the vector.
571 (find_removable_extensions): Adjust caller.
573 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
575 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
576 Transform all "* quoted-c-code" to { c-code }.
577 Remove redundant test for "optimize" in combine patterns.
578 Move (include "avr-dimode.md") to end of file.
580 2012-01-30 Bin Cheng <bin.cheng@arm.com>
583 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
584 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
586 2012-01-30 Richard Guenther <rguenther@suse.de>
588 PR tree-optimization/52028
589 * tree-loop-distribution.c (ldist_gen): Properly update
592 2012-01-30 Jakub Jelinek <jakub@redhat.com>
595 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
596 set_cur_line_info_table if not emitting debug info.
598 PR tree-optimization/52046
599 * tree-vect-patterns.c (check_bool_pattern): Give up if
600 a comparison could throw.
603 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
605 2012-01-30 Richard Guenther <rguenther@suse.de>
607 PR tree-optimization/52045
608 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
609 SSA form if cfgcleanup did anything.
611 2012-01-30 Richard Guenther <rguenther@suse.de>
613 PR tree-optimization/52045
614 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
615 before computing final todo.
617 2012-01-30 Richard Guenther <rguenther@suse.de>
619 PR tree-optimization/51528
620 * tree-sra.c (sra_modify_assign): Re-factor in preparation
623 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
625 * df-problems.c (df_kill_notes): Check that the use refers
626 to the note under examination.
628 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
631 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
632 parameter and use short-lived pseudos.
633 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
634 (sparc_expand_vector_init): Const-ify local variables and adjust
635 calls to above functions.
637 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
639 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
641 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
643 * doc/invoke.texi: Make usage of "compile time" and
644 "run time"/"runtime" consistent throughout the file.
646 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
648 * config/alpha/alpha.c (alpha_option_override): Default to
649 full IEEE compliance mode for Go language.
651 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
653 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
654 (LINK_SSP_SPEC): Define.
656 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
659 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
662 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
664 * doc/invoke.texi: Correct hyphenation of "floating point",
665 "double precision", and related terminology throughout the file.
667 2012-01-28 Jakub Jelinek <jakub@redhat.com>
670 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
671 arm_general_register_operand predicate for operand 2 instead of
674 2012-01-27 Ian Lance Taylor <iant@google.com>
677 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
678 * builtins.c (expand_builtin_init_trampoline): Add onstack
679 parameter. Change caller.
680 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
681 * tree.c (build_common_builtin_nodes): Declare
682 __builtin_init_heap_trampoline.
684 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
686 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
687 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
688 * config/avr/avr.c: Ditto.
689 (avr_regnames): Remove because unused.
690 * config/avr/avr.md (*cpse.ne): New peephole.
691 (*cpse.eq): New peephole from former cpse peepholes.
693 2012-01-27 Michael Eager <eager@eagercon.com>
695 * config/microblaze.c (microblaze_emit_compare): Correct
696 test after pcmp instruction.
698 2012-01-27 Richard Guenther <rguenther@suse.de>
700 PR tree-optimization/52020
701 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
703 2012-01-27 Richard Guenther <rguenther@suse.de>
705 * ipa-pure-const.c (check_stmt): Clobbers do not make a
706 function non-const/pure.
708 2012-01-27 Richard Guenther <rguenther@suse.de>
710 PR tree-optimization/50444
711 * tree-sra.c (build_ref_for_offset): Properly adjust the
712 MEM_REF type for unaligned accesses.
714 2012-01-27 Richard Guenther <rguenther@suse.de>
716 PR tree-optimization/50444
717 * expr.c (mem_ref_refers_to_non_mem_p): New function.
718 (expand_assignment): Use it. Properly handle misaligned
719 bases when expanding stores to component references.
720 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
723 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
726 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
727 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
728 * tree-data-ref.c (find_data_references_in_loop): Make static.
729 (compute_all_dependences): Change return type to bool. Bail out
730 for too many datarefs in a loop. Move the hunk resetting the data
731 dependences vector from ...
732 (compute_data_dependences_for_loop): ... here. Account for
733 compute_all_dependences returning false.
734 (compute_data_dependences_for_bb): Likewise.
735 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
736 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
738 2012-01-27 Richard Guenther <rguenther@suse.de>
741 * expr.c (store_field): Use the alias-set of the scratch memory
744 2012-01-27 Tom de Vries <tom@codesourcery.com>
746 PR tree-optimization/51990
747 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
749 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
751 2012-01-27 Jakub Jelinek <jakub@redhat.com>
754 * var-tracking.c (reverse_op): Don't add any reverse operation
755 if V already has any constant locations.
757 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
759 * doc/invoke.texi: Correct usage of "command line" (noun)
760 vs "command-line" (adjective) throughout.
762 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
764 * doc/invoke.texi (Language Independent Options): Move
765 -Wcoverage-mismatch blurb from here....
766 (Warning Options): ...to here.
768 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
770 * config/rs6000/rs6000.c (rs6000_option_override_internal):
771 Set rs6000_always_hint to false for 476.
773 2012-01-27 Matthias Klose <doko@ubuntu.com>
775 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
777 * incpath.c (add_standard_paths): Likewise.
779 2012-01-27 Richard Henderson <rth@redhat.com>
781 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
782 * config/m68k/sync.md (atomic_test_and_set): Rename from
783 sync_test_and_setqi and adjust the operands.
784 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
785 and unconditionally enable.
787 2012-01-27 Richard Henderson <rth@redhat.com>
789 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
790 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
791 (ldstub): Rename from ldstubqi.
792 (ldstub<I24MODE>): Remove.
794 2012-01-27 Richard Henderson <rth@redhat.com>
796 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
797 * c-cppbuiltin.c (cpp_atomic_builtins): Define
798 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
799 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
800 * doc/tm.texi: Rebuild.
802 2012-01-27 Richard Henderson <rth@redhat.com>
804 * optabs.c (gen_atomic_test_and_set): Remove default.
805 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
807 2012-01-26 Jakub Jelinek <jakub@redhat.com>
809 PR rtl-optimization/51978
810 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
811 (combine_reaching_defs): Likewise.
812 (struct re_info): Remove.
813 (add_removable_extension): Remove x and data arguments,
814 add insn, insn_list and def_map. Use the arguments directly
815 instead of using struct re_info.
816 (find_removable_extensions): Don't call add_removable_extension
817 through note_stores, instead just call it with single_set
819 (find_and_remove_re): Pass curr_cand->expr instead of
820 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
822 2012-01-26 Michael Matz <matz@suse.de>
824 PR tree-optimization/46590
825 * cfgexpand.c: Revert last change (r183305).
826 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
828 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
829 checking for emptiness.
831 2012-01-26 Jakub Jelinek <jakub@redhat.com>
834 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
835 non-addressable non-BLKmode base correctly.
837 2012-01-26 Michael Matz <matz@suse.de>
839 PR tree-optimization/48794
840 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
841 regions referenced from RESX/EH_DISPATCH.
843 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
845 * config/s390/s390.h: Make BRANCH_COST an option.
846 * config/s390/s390.opt: New option -mbranch-cost.
848 2012-01-26 Richard Henderson <rth@redhat.com>
850 Revert 2012-01-24 change:
851 * trans-mem.c (requires_barrier): Do not instrument thread local
852 variables and emit save/restore for them.
854 2012-01-25 Jakub Jelinek <jakub@redhat.com>
857 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
860 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
862 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
865 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
868 Rename __pgm to __flash.
869 Rename __pgm1 to __flash1.
870 Rename __pgm2 to __flash2.
871 Rename __pgm3 to __flash3.
872 Rename __pgm4 to __flash4.
873 Rename __pgm5 to __flash5.
874 Rename __pgmx to __memx.
875 * doc/extend.texi (AVR Named Address Spaces)
876 Rename address space names as indicated above.
877 * config/avr/avr.c (avr_addrspace): Ditto.
879 * config/avr/avr-protos.h
880 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
881 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
882 * config/avr/predicates.md: Ditto.
883 * config/avr/avr.c Ditto, and
884 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
885 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
887 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
888 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
889 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
890 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
891 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
892 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
893 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
894 * config/avr/avr.c: Ditto.
895 * config/avr/avr.md: Ditto.
897 2012-01-25 Jason Merrill <jason@redhat.com>
900 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
902 2012-01-25 Jakub Jelinek <jakub@redhat.com>
904 PR tree-optimization/51987
905 * tree-data-ref.c (get_references_in_stmt): Handle references in
906 non-volatile GIMPLE_ASM.
908 2012-01-25 Richard Guenther <rguenther@suse.de>
910 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
911 bases are dereferenced.
913 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
915 PR rtl-optimization/48374
916 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
918 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
920 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
921 compute_data_dependences_for_loop returns false.
922 * tree-parloops.c (loop_parallel_p): Likewise.
924 2012-01-25 Richard Guenther <rguenther@suse.de>
926 * tree.h (get_pointer_alignment_1): Declare.
927 * builtins.c (get_pointer_alignment_1): New function.
928 (get_pointer_alignment): Use it.
930 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
932 PR rtl-optimization/48308
933 * combine.c (enum undo_kind): Add UNDO_LINKS.
934 (struct undo): Add member l to other_contents and where.
935 (do_SUBST_LINK): New.
937 (try_combine): Handle LOG_LINKS for the dummy i1 case.
938 (undo_all): Handle UNDO_LINKS.
940 2012-01-25 Richard Henderson <rth@redhat.com>
942 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
945 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
947 * optabs.c (gen_atomic_test_and_set): Use each argument.
949 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
951 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
952 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
953 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
954 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
955 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
956 TARGET_PAIRED_SINGLE_FLOAT.
958 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
960 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
961 (in_struct, return_val): Remove MEM documentation.
962 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
963 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
964 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
966 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
967 * cfgexpand.c (add_alias_set_conflicts): Likewise.
968 * expr.c (store_field): Likewise.
969 * function.c (assign_stack_temp_for_type): Likewise.
970 * ifcvt.c (noce_try_cmove_arith): Likewise.
971 * reload1.c (reload): Likewise.
972 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
973 (alpha_set_memflags): Likewise.
974 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
976 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
978 * rtl.h (true_dependence, canon_true_dependence): Remove varies
980 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
981 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
982 (true_dependence_1, true_dependence, canon_true_dependence): Remove
984 * cselib.c (cselib_rtx_varies_p): Delete.
985 (cselib_invalidate_mem): Update call to canon_true_dependence.
986 * dse.c (record_store, check_mem_read_rtx): Likewise.
987 (scan_reads_nospill): Likewise.
988 * cse.c (check_dependence): Likewise.
989 (cse_rtx_varies_p): Delete.
990 * expr.c (safe_from_p): Update call to true_dependence.
991 * ira.c (validate_equiv_mem_from_store): Likewise.
992 (memref_referenced_p): Likewise.
993 * postreload-gcse.c (find_mem_conflicts): Likewise.
994 * sched-deps.c (sched_analyze_2): Likewise.
995 * store-motion.c (load_kills_store): Likewise.
996 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
997 * gcse.c (mems_conflict_for_gcse_p): Likewise.
998 (compute_transp): Update call to canon_true_dependence.
1000 2012-01-25 Richard Henderson <rth@redhat.com>
1002 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1003 (maybe_emit_atomic_test_and_set): New.
1004 (expand_sync_lock_test_and_set): Use it.
1005 (expand_atomic_test_and_set): Likewise.
1006 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1007 the implementation; clarify implementation defined details.
1008 * doc/md.texi (atomic_test_and_set): Document.
1010 2012-01-25 Richard Henderson <rth@redhat.com>
1012 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1014 2012-01-25 Richard Henderson <rth@redhat.com>
1017 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1018 to effect no-op split.
1020 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1023 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1024 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1025 (BT_FN_VOID_PTR_INT_SIZE): New.
1026 (BT_FN_UINT_UINT_VAR): Remove.
1027 (BT_FN_UINT32_UINT32_VAR): New.
1028 (BT_FN_DOUBLE_VPTR): Remove.
1029 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1031 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1032 (_ITM_changeTransactionMode): Same.
1033 (_ITM_memmoveRtWt): Change return type to void.
1034 (_ITM_memcpyRtWt): Same.
1035 (_ITM_memsetW): Same.
1036 (_ITM_RaRD): Change types to double.
1041 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1043 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1044 Patrick Marlier <patrick.marlier@gmail.com>
1046 * trans-mem.c (requires_barrier): Do not instrument thread local
1047 variables and emit save/restore for them.
1049 2012-01-24 Jason Merrill <jason@redhat.com>
1052 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1053 output static aliases.
1055 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1058 * common.opt (-pie, -shared, pie, shared): Change from Common to
1060 * gcc.c (display_help): Display help for -pie and -shared.
1062 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1065 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1066 Remove note on size/offset limitation.
1067 (AVR Variable Attributes): Add example how to read data located
1068 with progmem. Refer to named address spaces.
1069 * doc/invoke.texi (AVR Options): Fix typo.
1071 2012-01-24 Richard Guenther <rguenther@suse.de>
1073 Forward-port to trunk
1074 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1077 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1078 op0 isn't sufficiently aligned and there is movmisalignM
1079 insn for mode, use it to load op0 into a temporary register.
1081 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1084 * target.def (const_not_ok_for_debug_p): New hook.
1085 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1087 * doc/tm.texi: Regenerated.
1088 * dwarf2out.c (const_ok_for_output_1): If
1089 targetm.const_not_ok_for_debug_p returns true, fail.
1090 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1092 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1094 2012-01-23 Kai Tietz <ktietz@redhat.com>
1097 * config/i386/predicates.md (symbolic_operand): Allow
1098 UNSPEC_PCREL as PIC expression for lea.
1099 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1100 * config/i386/i386.c (ix86_delegitimize_address): Handle
1101 UNSPEC_PCREL for none-MEM, too.
1103 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1105 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1106 (ipa_tm_create_version_alias): Same.
1108 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1111 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1112 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1114 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1115 Patrick Marlier <patrick.marlier@gmail.com>
1116 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1119 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1120 simple_object_start_read.
1122 2012-01-23 Richard Guenther <rguenther@suse.de>
1125 PR tree-optimization/51895
1126 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1127 parameter decomposition into BLKmode components.
1129 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1131 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1132 fake variables for restrict-qualified pointers whose pointed-to type
1133 contains a placeholder.
1135 2012-01-23 Richard Guenther <rguenther@suse.de>
1137 PR tree-optimization/51949
1138 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1140 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1142 PR rtl-optimization/51933
1143 * ree.c (transform_ifelse): Return true right away if dstreg is
1144 already wider or equal to cand->mode.
1145 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1146 (make_defs_and_copies_lists): Remove defs_list and copies_list
1147 arguments, add state argument, just truncate state->work_list
1148 instead of always allocating and freeing the vector. Assert that
1149 get_defs succeeds instead of returning 2. Changed return type to bool.
1150 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1151 have ext_src_mode, see if it has been modified already with the
1152 right kind of extension and has been extended before from the
1153 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1154 just return true. Remember the original mode in state->modified array.
1155 (combine_reaching_defs): Add state argument. Don't allocate and
1156 free here def_list, copied_list and vec vectors, instead just
1157 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1158 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1159 Add state variable, clear vectors in it, initialize state.modified
1160 if needed. Free all the vectors at the end and state.modified too.
1161 Don't skip a candidate if the extension expression has been modified.
1163 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1166 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1167 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1168 (extra_options) interix.opt -> i386/interix.opt"
1169 (extra_objs):Add winnt-stubs.o
1170 * configure.ac: Add interix to target_os .comm on PE check.
1171 * configure: Regenerate.
1172 * config/interix3.h: Delete and move bits to..
1173 * config/interix.h: Delete and move bits to..
1174 * config/i386/i386-interix3.h: Delete and move bits to..
1175 * config/i386/i386-interix.h: ..here.
1176 (TARGET_CPU_DEFAULT): Remove redefinition.
1177 (TARGET_ASM_CONSTRUCTOR): Undefine.
1178 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1179 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1180 (PTRDIFF_TYPE): Define.
1181 (LONG_DOUBLE_TYPE_SIZE): Define.
1182 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1183 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1184 (TARGET_SECTION_TYPE_FLAGS): Define.
1185 (ASM_DECLARE_FUNCTION_NAME): Define.
1186 (ASM_OUTPUT_EXTERNAL): Define.
1187 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1188 (ASM_OUTPUT_ALIGNED_BSS): Define.
1189 (PCC_BITFIELD_TYPE_MATTERS): Define.
1190 (USE_CONST_SECTION): Define.
1191 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1192 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1193 (SUPPORTS_ONE_ONLY): Remove.
1194 (I386_PE_STRIP_ENCODING): Define.
1195 * config/interix.opt: Delete and move bits to..
1196 * config/i386/interix.opt: ..here. New.
1197 (mpe-aligned-commons): Add.
1198 * config/i386/t-interix: Add copyright header.
1199 (winnt-stubs.o): Add rule.
1201 2012-01-22 Jason Merrill <jason@redhat.com>
1204 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1205 for extra name aliases.
1207 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1209 PR rtl-optimization/51924
1210 * ree.c (combine_set_extension): Improve debugging message.
1211 (combine_reaching_defs): Likewise.
1212 (get_defs): Rename confusingly named variable.
1213 (find_and_remove_re): Skip a candidate if the extension expression has
1216 2012-01-21 Robert Millan <rmh@gnu.org>
1217 Gerald Pfeifer <gerald@pfeifer.com>
1219 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1220 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1222 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1224 PR tree-optimization/51914
1225 * tree-vect-stmts.c (vectorizable_conversion): For
1226 cvt_type && modifier == WIDEN, put temporary with cvt_type
1227 at the beginning of vec_dsts and set vec_dest to temporary
1230 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1232 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1234 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1236 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1237 * config/rs6000/rs6000.c: Likewise.
1239 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1242 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1243 output_move_double on a copy of operands array.
1245 2012-01-20 Cary Coutant <ccoutant@google.com>
1246 Dodji Seketeli <dodji@redhat.com>
1249 * dwarf2out.c (copy_declaration_context): Return ref to parent
1250 of declaration DIE, if necessary.
1251 (remove_child_or_replace_with_skeleton): Add new parameter; update
1252 caller. Place skeleton DIE under parent DIE of original declaration.
1253 Move call to copy_declaration_context to here ...
1254 (break_out_comdat_types): ... from here.
1256 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1258 PR rtl-optimization/51856
1259 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1262 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1265 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1266 hints for neon loads and stores.
1268 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1272 * doc/extend.texi (Named Address Spaces): Split into subsections.
1273 (AVR Named Address Spaces): New subsection.
1274 (M32C Named Address Spaces): New subsection.
1275 (RL78 Named Address Spaces): New subsection.
1276 (SPU Named Address Spaces): New subsection.
1277 (Variable Attributes): New anchor "AVR Variable Attributes".
1278 (AVR Variable Attributes): Rewrite and avoid wording
1279 "address space" in this context.
1280 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1281 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1282 (AVR Built-in Macros): New subsubsection therein.
1283 * doc/md.texi (AVR constraints): Remove "C04", "R".
1285 2012-01-20 Richard Guenther <rguenther@suse.de>
1287 PR tree-optimization/51903
1288 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1289 when removing stmts.
1291 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1294 * config/arm/arm.c (arm_load_pic_register): Use
1295 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1296 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1297 (arm_pic_static_addr): Likewise.
1298 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1299 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1300 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1301 (pic_load_addr_unified): New.
1303 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1306 * function.c (instantiate_virtual_regs_in_insn): Use
1307 delete_insn_and_edges when removing a wrong asm insn.
1309 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1311 PR rtl-optimization/40761
1312 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1313 Add new member loop_num.
1314 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1315 (ira_build): Remove the parameter.
1317 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1318 (ira.c): Do not build CFG loops for one region allocation. Remove
1319 argument from ira_build call.
1321 * ira-build.c (init_loop_tree_node): New function.
1322 (create_loop_tree_nodes): Use it. Separate the case when CFG
1323 loops are not built.
1324 (more_one_region_p): Check current_loops.
1325 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1327 (add_loop_to_tree): Process loop equal to NULL too.
1328 (form_loop_tree): Separate the case when CFG loops are not built.
1329 Use explicitly number for the root.
1330 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1332 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1333 instead of loop->num.
1334 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1335 (mark_all_loops_for_removal): Ditto.
1336 (remove_unnecessary_regions): Separate the case when CFG loops
1338 (ira_build): Remove the parameter. Use explicit number of regions
1339 when CFG loops are not built.
1341 * ira-color.c (print_loop_title): Separate the case for the root node.
1342 Use loop_num instead of loop->num.
1343 (move_spill_restore): Use loop_num instead of loop->num.
1345 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1346 (change_loop): Ditto.
1347 (change_loop): Use loop_num instead of loop->num.
1349 * ira-lives.c (process_bb_node_lives): Ditto.
1351 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1353 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1355 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1358 * tree-mudflap.c (mf_artificial): New function.
1359 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1360 mx_register_decls, mudflap_enqueue_decl): Use it.
1363 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1364 numbers in the insn pattern.
1366 2012-01-19 Michael Matz <matz@suse.de>
1368 PR tree-optimization/46590
1369 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1370 use it in remembering which conflicts we already created.
1371 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1374 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1377 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1378 (merge_and_complain): Same.
1380 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1383 * config/initfini-array.h: Guard content of the header
1384 with #ifdef HAVE_INITFINI_ARRAY.
1385 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1386 Add initfini-array.h to tm_file here.
1387 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1388 * config.gcc: Don't add initfini-array.h to tm_file here.
1389 * configure: Regenerated.
1391 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1393 PR rtl-optimization/51505
1394 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1395 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1396 (df_note_bb_compute): Update the call to df_kill_notes.
1398 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1400 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1402 2012-01-18 Richard Guenther <rguenther@suse.de>
1404 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1405 of conversions to void *.
1407 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1408 Richard Sandiford <rdsandiford@googlemail.com>
1412 * optabs.h (simplify_expand_binop): Declare.
1413 * optabs.c (simplify_expand_binop): Make global.
1414 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1415 endian targets if the source cannot be exactly covered by word
1418 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1421 * hard-reg-set.h (struct hard_reg_set_container): New type.
1422 * target.h (struct hard_reg_set_container): Forward declare.
1423 * target.def (set_up_by_prologue): New target hook.
1424 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1425 * doc/tm.texi: Regenerated.
1426 * function.c (thread_prologue_and_epilogue_insns): Change
1427 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1428 Call targetm.set_up_by_prologue on it.
1429 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1430 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1432 2012-01-17 Nick Clifton <nickc@redhat.com>
1434 * config/rx/rx.c (rx_can_use_simple_return): New function.
1435 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1436 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1438 2012-01-17 Richard Guenther <rguenther@suse.de>
1441 * expr.c (expand_assignment): Take address-space information
1442 from the address operand of MEM_REF and TARGET_MEM_REF.
1443 (expand_expr_real_1): Likewise.
1445 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1447 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1448 reload dump is requested.
1450 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1453 * trans-mem.c (requires_barrier): Call may_be_aliased.
1455 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1457 PR tree-optimization/51877
1458 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1459 call arguments and fndecls compare equal, instead return false if they
1460 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1461 both SSA_NAMEs that are valueized the same, or they satisfy
1464 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1466 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1468 * configure: Regenerate.
1470 2012-01-16 Jan Hubicka <jh@suse.cz>
1474 * convert.c (convert_to_integer): Use fold_convert for
1475 converting an INTEGER_CST to integer type.
1477 2012-01-16 Jason Merrill <jason@redhat.com>
1480 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1482 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1485 * config/s390/s390.c (s390_chunkify_start): Don't skip
1486 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1487 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1488 If insn is followed by NOTE_INSN_VAR_LOCATION or
1489 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1490 Don't use location of note insns.
1492 PR tree-optimization/51865
1493 * tree-inline.c (tree_function_versioning): Call remap_decl
1494 on DECL_RESULT whenever it has VOID_TYPE_P type.
1496 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1498 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1499 for calls to locally-binding MIPS16 functions if only the return
1500 type uses float regs.
1502 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1503 Richard Sandiford <rdsandiford@googlemail.com>
1505 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1506 (SYMBOL_32_HIGH): Likewise.
1507 (mips_output_tls_reloc_directive): Declare.
1508 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1509 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1510 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1511 (mips_lo_relocs, mips_hi_relocs): Make extern.
1512 (mips16_stub_function): Move up file.
1513 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1514 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1515 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1516 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1517 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1518 (mips_get_tp): Add MIPS16 support.
1519 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1520 Generalize DTPREL and TPREL handling.
1521 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1522 Add MIPS16 TLS support.
1523 (mips_output_tls_reloc_directive): New function.
1524 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1525 * config/mips/predicates.md (symbolic_operand_with_high)
1526 (tls_reloc_operand): New predicates.
1527 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1528 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1529 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1530 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1531 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1532 (*tls_get_tp_mips16_call_<mode>): Likewise.
1534 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1536 PR rtl-optimization/51821
1537 * recog.c (peep2_find_free_register): Determine clobbered registers
1540 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1543 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1544 * config/avr/avr.c: Likewise.
1545 * config/avr/avr.h: Likewise.
1547 2012-01-13 Ian Lance Taylor <iant@google.com>
1550 * tree.h (TYPE_QUALS): Add cast to int.
1551 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1553 2012-01-13 Ian Lance Taylor <iant@google.com>
1555 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1556 comparing param_index to VEC_length result.
1558 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1560 * c-decl.c: Do not include tree-mudflap.h
1561 * tree-optimize.c: Likewise.
1562 * Makefile.in: Update dependencies.
1564 2012-01-13 Richard Guenther <rguenther@suse.de>
1567 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1568 variable-sized result always use RSO.
1570 2012-01-12 DJ Delorie <dj@redhat.com>
1572 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1573 pointer type, not just the default pointer type.
1575 2012-01-09 Richard Henderson <rth@redhat.com>
1576 Denis Chertykov <chertykov@gmail.com>
1579 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1580 * config/avr/avr.c (avr_can_eliminate): Simplify.
1581 (avr_initial_elimination_offset): Likewise.
1582 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1583 (expand_epilogue): Likewise.
1584 (avr_legitimize_address): Gut.
1585 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1586 (avr_hard_regno_nregs): New.
1587 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1588 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1589 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1590 add soft frame pointer.
1591 (CALL_USED_REGISTERS): Likewise.
1592 (REG_CLASS_CONTENTS): Likewise.
1593 (REGISTER_NAMES): Likewise.
1594 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1595 (HARD_FRAME_POINTER_REGNUM): New.
1596 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1597 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1598 remove the HARD_FRAME_POINTER self-elimination.
1600 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1603 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1604 DECL_EXTERNAL when checking for initializers of progmem variables.
1606 2012-01-12 Ira Rosen <irar@il.ibm.com>
1608 PR tree-optimization/51799
1609 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1610 that the last operation is a type demotion.
1612 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1614 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1615 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1617 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1620 * combine.c (distribute_notes): If i3 is a noreturn call,
1621 allow old_size to be equal to args_size and make sure the
1622 noreturn call gets REG_ARGS_SIZE note.
1623 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1624 on noreturn calls even when the delta is 0.
1626 2012-01-11 Nathan Sidwell <nathan@acm.org>
1628 * gcov.c (STRING_SIZE): Remove.
1629 (generate_results): Erase annotations for source files with no
1630 coverage information.
1632 (output_lines): Use it.
1634 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1636 * gimple.h (gimplify_body): Remove first argument.
1637 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1638 pointer set here, instead just pass DATA to walk_tree.
1639 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1640 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1641 (unvisit_body): Likewise, but with unmark_visited.
1642 (gimplify_body): Remove BODY_P argument and adjust.
1643 (gimplify_function_tree): Adjust call to gimplify_body.
1644 * omp-low.c (finalize_task_copyfn): Likewise.
1646 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1648 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1649 (build_function_type_skip_args): Delete.
1650 * tree.c (build_function_type_skip_args): Make static and add
1651 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1652 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1653 pass it to build_function_type_skip_args.
1654 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1655 (tree_function_versioning): Likewise.
1656 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1657 build_function_decl_skip_args.
1658 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1659 and pass it to build_function_decl_skip_args/tree_function_versioning.
1660 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1661 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1662 * trans-mem.c (ipa_tm_create_version): Likewise.
1663 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1664 * tree-inline.c (declare_return_variable): Remove always-true test.
1665 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1666 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1667 * ipa-split.c (split_function): Skip the return value for the split
1668 part if it doesn't return.
1670 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1672 PR tree-optimization/49642
1673 * ipa-split.c (forbidden_dominators): New variable.
1674 (check_forbidden_calls): New function.
1675 (dominated_by_forbidden): Likewise.
1676 (consider_split): Check for forbidden dominators.
1677 (execute_split_functions): Initialize and free forbidden
1678 dominators info; call check_forbidden_calls.
1680 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1682 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1684 2012-01-11 Nick Clifton <nickc@redhat.com>
1686 * config/rx/rx.md (return): Define pattern.
1688 2012-01-11 Richard Guenther <rguenther@suse.de>
1690 * doc/extend.texi (malloc attribute): Adjust according to
1693 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1694 Patrick Marlier <patrick.marlier@gmail.com>
1697 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1698 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1699 (ipa_tm_note_irrevocable): Same.
1700 (ipa_tm_scan_irr_block): Same.
1701 (ipa_tm_decrement_clone_counts): Same.
1702 (ipa_tm_scan_irr_function): Same.
1703 (ipa_tm_create_version_alias): Same.
1704 (ipa_tm_create_version): Same.
1705 (ipa_tm_transform_calls_redirect): Same.
1706 (ipa_tm_transform_calls): Same.
1707 (ipa_tm_transform_transaction): Same.
1708 (ipa_tm_execute): Same.
1710 2012-01-10 Richard Guenther <rguenther@suse.de>
1713 * opts.c (common_handle_option): Handle -Werror.
1715 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1717 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1720 2012-01-10 Jason Merrill <jason@redhat.com>
1722 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1725 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1727 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1728 supports R_386_TLS_GD_PLT reloc.
1729 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1730 supports R_386_TLS_LDM_PLT reloc.
1731 * configure: Regenerate.
1732 * config.in: Regenerate.
1734 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1737 Extend __pgmx semantics to linearize memory.
1738 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1739 determine if code comes inline or from libgcc.
1740 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1741 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1742 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1743 (movmemx_qi, movmemx_hi): New insns.
1744 (xload_<mode>_libgcc): Rewrite to new insn condition.
1745 (xload_<mode>): Remove insns.
1746 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1747 cases that don't satisfy avr_xload_libgcc_p().
1748 (avr_addr_space_convert): Allow converting in any direction.
1749 (avr_addr_space_subset_p): Return always true.
1750 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1751 (avr_emit_movmemhi): Ditto.
1752 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1753 (avr_out_movmem): Ditto.
1754 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1755 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1756 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1757 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1758 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1760 2012-01-10 Richard Guenther <rguenther@suse.de>
1762 PR tree-optimization/50913
1763 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1764 Require data-refs to be representable by Graphite with respect
1767 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1769 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1770 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1772 2012-01-10 Tom de Vries <tom@codesourcery.com>
1774 PR rtl-optimization/51271
1775 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1776 handling annulled branch.
1778 2012-01-10 Richard Henderson <rth@redhat.com>
1780 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1781 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1782 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1783 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1784 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1785 arm_expand_vec_perm_const): New.
1786 * config/arm/arm-protos.h: Update.
1787 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1788 (*neon_vswp<VDQX>): New.
1789 (neon_vcombine<VDX>): Use neon_split_vcombine.
1790 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1791 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1792 (vec_perm<VE>): New.
1794 2012-01-10 Richard Henderson <rth@redhat.com>
1796 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1797 use it if reload_completed.
1798 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1799 arm_output_asm_insn, arm_process_output_memory_barrier,
1800 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1801 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1802 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1803 arm_process_output_sync_insn, arm_output_sync_insn,
1804 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1805 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1806 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1807 (emit_unlikely_jump): New.
1808 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1809 (arm_split_atomic_op): New.
1810 * config/arm/arm-protos.h: Update.
1811 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1812 (struct arm_sync_generator): Remove.
1813 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1814 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1815 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1816 (VUNSPEC_LL, VUNSPEC_SC): New.
1817 (sync_result, sync_memory, sync_required_value, sync_new_value,
1818 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1819 (attr length): Don't use arm_sync_loop_insns.
1820 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1821 (movsfcc, movdfcc): Likewise.
1822 * config/arm/constraints.md (Ua): New.
1823 * config/arm/prediates.md (mem_noofs_operand): New.
1824 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1825 (sync_clobber, sync_t2_reqd): Remove.
1826 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1827 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1828 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1829 (arm_sync_compare_and_swap<SIDI>): Remove.
1830 (arm_sync_compare_and_swap<NARROW>): Remove.
1831 (arm_sync_lock_test_and_set<SIDI>): Remove.
1832 (arm_sync_lock_test_and_set<NARROW>): Remove.
1833 (arm_sync_new_<syncop><SIDI>): Remove.
1834 (arm_sync_new_<syncop><NARROW>): Remove.
1835 (arm_sync_new_nand<SIDI>): Remove.
1836 (arm_sync_new_nand<NARROW>): Remove.
1837 (arm_sync_old_<syncop><SIDI>): Remove.
1838 (arm_sync_old_<syncop><NARROW>): Remove.
1839 (arm_sync_old_nand<SIDI>): Remove.
1840 (arm_sync_old_nand<NARROW>): Remove.
1841 (*memory_barrier): Merge arm_output_memory_barrier.
1842 (atomic_compare_and_swap<QHSD>): New.
1843 (atomic_compare_and_swap<NARROW>_1): New.
1844 (atomic_compare_and_swap<SIDI>_1): New.
1845 (atomic_exchange<QHSD>): New.
1846 (cas_cmp_operand, cas_cmp_str): New.
1847 (atomic_op_operand, atomic_op_str): New.
1848 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1849 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1850 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1851 (arm_load_exclusive<NARROW>): New.
1852 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1853 (arm_store_exclusive<QHSD>): New.
1855 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1857 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1858 reload patterns if -mvsx-scalar-memory.
1860 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1861 generated, even -mno-vsx-scalar-double was used.
1862 (vsx_xscvdpsp_scalar): Likewise.
1863 (vsx_xscvspdp_scalar2): Likewise.
1865 2012-01-09 Tom de Vries <tom@codesourcery.com>
1866 Andrew Pinski <apinski@cavium.com>
1869 * reorg.c (fill_slots_from_thread): Don't speculate
1870 frame-related insns.
1872 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1874 * sched-int.h (bb_note): Move to...
1875 * basic-block.h: ...here.
1876 * haifa-sched.c (bb_note): Move to...
1877 * cfgrtl.c: ...here.
1878 * function.c (next_block_for_reg): New function.
1879 (move_insn_for_shrink_wrap): Likewise.
1880 (prepare_shrink_wrap): Rewrite to use the above.
1882 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1884 * gimple.c (is_gimple_non_addressable): Remove.
1885 * gimple.h: Remove is_gimple_non_addressable.
1886 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1887 is_gimple_non_addressable.
1888 * trans-mem.c (expand_assign_tm): Same.
1890 2012-01-09 Richard Guenther <rguenther@suse.de>
1892 PR tree-optimization/51775
1893 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1894 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1896 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1898 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1900 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1902 2012-01-09 Richard Guenther <rguenther@suse.de>
1904 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1906 2012-01-08 Jan Hubicka <jh@suse.cz>
1908 PR tree-optimize/51680
1909 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1910 on when known_vals needs to be computed; cleanup.
1912 2012-01-08 Jan Hubicka <jh@suse.cz>
1914 PR tree-optimize/51694
1915 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1917 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1919 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1920 for -std=c++98 and -std=c++11 too.
1922 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1924 * cfgloop.c (cancel_loop): Add free() of bbs array.
1926 2012-01-07 Jan Hubicka <jh@suse.cz>
1928 PR tree-optimization/51600
1929 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1930 that benefits small functions.
1932 2012-01-07 Jan Hubicka <jh@suse.cz>
1934 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1936 2012-01-07 Jan Hubicka <jh@suse.cz>
1938 PR tree-optimization/51680
1939 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1940 whose inlining reduce unit size.
1942 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1945 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1946 Add canonical node to containing_mem chain after the non-canonical
1947 one, even if there weren't any locs to propagate.
1948 (remove_useless_values): Keep only canonical values.
1949 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1950 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1951 canonicalize mem_chain elements that are not discarded.
1953 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1956 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1957 before emitting functions.
1959 PR gcov-profile/50127
1960 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1961 clear_aux_for_blocks.
1963 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1966 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1968 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1970 * c-decl.c (ext_block): Moved up.
1971 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1973 2012-01-06 Han Shen <shenhan@google.com>
1975 Translate built-in include paths for sysroot.
1976 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1977 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1979 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1980 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1982 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1983 control whether sysroot should be prepended to gxx include dir.
1985 * configure: Regenerate.
1987 2012-01-06 Torvald Riegel <triegel@redhat.com>
1989 PR rtl-optimization/51771
1990 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1991 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1993 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1995 PR tree-optimization/51315
1996 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1997 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1999 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2002 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2003 for shrp pattern. Correctly handle and fixup shift variable.
2004 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2006 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2009 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2010 note when !ACCUMULATE_OUTGOING_ARGS.
2012 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2014 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2016 (extract_range_from_unary_expr_1): Avoid useless computations.
2018 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2020 PR rtl-optimization/51767
2021 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2022 of jump_block and add an extra edge for degenerated asm gotos.
2025 * stmt.c (check_unique_operand_names): Don't ICE during error
2026 reporting if i is from labels chain.
2029 * profile.c (branch_prob): Split bbs that have exit edge
2030 and need a fake entry edge too.
2032 2012-01-05 Jan Hubicka <jh@suse.cz>
2035 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2038 2012-01-05 Richard Guenther <rguenther@suse.de>
2041 * tree-streamer-out.c (write_ts_optimization): New function.
2042 (streamer_write_tree_body): Call it.
2043 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2044 (streamer_read_tree_body): Call it.
2045 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2047 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2050 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2051 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2052 in_cleanup_point_expr before gimplify_stmt call and restore it
2054 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2055 in_cleanup_point_expr is false.
2057 2012-01-05 Richard Guenther <rguenther@suse.de>
2060 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2062 * toplev.c (process_options): Reject combining mudflap and LTO.
2063 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2065 2012-01-05 Richard Guenther <rguenther@suse.de>
2067 PR tree-optimization/51760
2068 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2070 (bit_value_unop): Handle UNDEFINED operands.
2071 (bit_value_binop): Likewise.
2073 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2075 * config/avr/avr.c (avr_replace_prefix): Remove.
2076 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2077 (avr_asm_function_rodata_section): Ditto.
2078 (avr_asm_select_section): Ditto.
2080 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2082 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2085 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2088 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2089 calls that have any non-fake successor edges.
2092 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2094 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2096 PR tree-optimization/51624
2097 * tree-sra.c (build_ref_for_model): When replicating a chain of
2098 COMPONENT_REFs, stop as soon as the offset would become negative.
2100 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2103 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2104 in .debug_loc on the floor.
2106 2012-01-04 Andrew Pinski <apinski@cavium.com>
2108 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2110 2012-01-04 Andrew Pinski <apinski@cavium.com>
2111 Adam Nemet <anemet@caviumnetworks.com>
2113 * config/mips/mips.md (size): Add SI and DI.
2114 (SIZE): New mode attribute.
2115 (U): New code attribute.
2116 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2117 (mips_lbux_<mode>): Delete.
2118 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2119 (mips_lhx): Use gen_mips_lhx_extsi.
2120 (mips_lhx_<mode>): Delete.
2122 (mips_l<size>x): New expand.
2123 (mips_lwx_<mode>): Delete.
2124 (mips_l<GPR:size>x_<P:mode>): New pattern.
2125 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2126 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2127 * config/mips/mips.c (mips_lx_address_p): New function.
2128 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2129 (dsp64): New availability predicate.
2130 (mips_builtins): Add an entry for __builtin_mips_ldx.
2131 * config/mips/mips.h (ISA_HAS_LBX): New define.
2132 (ISA_HAS_LBUX): Likewise.
2133 (ISA_HAS_LHX): Likewise.
2134 (ISA_HAS_LHUX): Likewise.
2135 (ISA_HAS_LWX): Likewise.
2136 (ISA_HAS_LWUX): Likewise.
2137 (ISA_HAS_LDX): Likewise.
2138 * doc/extend.texi (__builtin_mips_ldx): Document.
2140 2012-01-04 Tristan Gingold <gingold@adacore.com>
2142 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2143 when long pointers are used.
2144 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2145 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2146 (ia64-hp-*vms*): Remove.
2147 * config/vms/xm-vms64.h: Delete.
2149 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2152 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2154 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2156 * opts.c (finish_options): Remove duplicate sorry.
2158 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2161 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2164 2012-01-04 Richard Guenther <rguenther@suse.de>
2167 * tree.c (size_low_cst): New function.
2168 * tree.h (size_low_cst): Declare.
2169 * fold-const.c (fold_comparison): Use it to extract the low
2170 part of the POINTER_PLUS_EXPR offset.
2172 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2174 Fix clearing ZERO_REG
2175 * config/avr/avr.md (cc): Add alternative "ldi".
2176 (movqi_insn): Use it in cc attribute.
2177 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2178 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2179 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2181 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2183 * configure: Regenerate.
2185 2012-01-04 Richard Guenther <rguenther@suse.de>
2187 PR tree-optimization/49651
2188 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2189 (var_can_have_subvars): Use it.
2190 (get_constraint_for_1): Only consider subfields if there can be any.
2192 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2195 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2196 to its new canonical_cselib_val and the cselib_val was in
2197 first_containing_mem chain, but the canonical_cselib_val was not,
2198 add the latter into the chain.
2199 (cselib_invalidate_mem): Compare canonical_cselib_val of
2200 addr_list chain elt with v.
2203 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2204 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2206 (output_macinfo_op): Don't ggc_strdup fd->filename.
2207 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2208 then ggc_strdup it. Don't free inc->info or cur->info.
2209 (output_macinfo): Don't free ref->info or file->info.
2211 2012-01-03 Ira Rosen <irar@il.ibm.com>
2213 PR tree-optimization/51269
2214 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2215 first_niters a pointer.
2216 (slpeel_tree_peel_loop_to_edge): Likewise.
2217 (vect_do_peeling_for_loop_bound): Update call to
2218 slpeel_tree_peel_loop_to_edge.
2219 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2220 here. Remove it from the parameters list.
2221 (vect_do_peeling_for_alignment): Update calls and compute
2224 2012-01-03 Richard Guenther <rguenther@suse.de>
2226 PR tree-optimization/51070
2227 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2228 Properly handle calls.
2230 2012-01-03 Richard Guenther <rguenther@suse.de>
2232 PR tree-optimization/51692
2233 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2234 the LHS of allocation stmts.
2236 2012-01-03 Olivier Hainque <hainque@adacore.com>
2238 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2240 2012-01-03 Olivier Hainque <hainque@adacore.com>
2242 * collect2.c (main): In AIX specific computations for vector
2243 insertions, use CONST_CAST2 to cast from char ** to const char **.
2245 2012-01-03 Richard Guenther <rguenther@suse.de>
2248 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2249 the context of a limbo DIE when it does not already exist.
2251 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2253 PR tree-optimization/51719
2254 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2255 but direct call is, clear direct call's lhs and don't add fallthrough
2256 edge from dcall_bb to join_bb and PHIs.
2258 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2260 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2261 the instructions emitted by the pattern.
2262 ("*TDC_insn_<mode>"): Add comment.
2264 2012-01-03 Richard Guenther <rguenther@suse.de>
2267 * fold-const.c (fold_comparison): Properly canonicalize
2268 tree offset and HOST_WIDE_INT bit position.
2270 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2272 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2273 operands for extzv pattern.
2275 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2278 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2281 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2283 * doc/invoke.texi (-flto and related options): Copy-edit.
2285 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2287 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2289 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2291 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2294 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2296 * expr.h (move_by_pieces_ninsns): Declare.
2297 * expr.c (move_by_pieces_ninsns): Make external.
2298 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2299 (mips_store_by_pieces_p): Likewise.
2300 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2301 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2302 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2303 (mips_store_by_pieces_p): Likewise.
2305 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2307 * passes.c (register_one_dump_file): Free full_name.
2309 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2310 (calculate_elim_costs_all_insns): Free offsets_at and
2311 offsets_known_at at the end and clear the pointers.
2313 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2315 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2316 this option introduced in r180739.
2318 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2321 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2322 (tmake_file target=avr): Add avr/t-multilib.
2324 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2325 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2326 * config/avr/genmultilib.awk: New file.
2327 * config/avr/t-multilib: New auto-generated file.
2328 * config/avr/multilib.h: New auto-generated file.
2329 * config/avr/t-avr (AVR_MCUS): New variable.
2330 (genopt.sh): Use it.
2331 (s-mlib): Depend on t-multilib.
2332 (t-multilib, multilib.h): New dependencies.
2333 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2334 (MULTILIB_OPTIONS): Remove.
2335 (MULTILIB_MATCHES): Remove.
2336 (MULTILIB_DIRNAMES): Remove.
2337 (MULTILIB_EXCEPTIONS): Remove:
2338 * config/avr/genopt.sh: Don't use hard coded file name;
2339 pass AVR_MCUS from t-avr instead.
2341 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2343 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2345 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2347 Implement light-weight DImode support.
2348 * config/avr/avr-dimode.md: New file.
2349 * config/avr/avr.md: Include it.
2350 (adjust_len): Add plus64, compare64.
2351 (HIDI): Remove code iterator.
2352 (code_stdname): New code attribute.
2353 (rotx, rotsmode): Remove DI.
2354 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2356 * config/avr/avr-protos.h (avr_have_dimode): New.
2357 (avr_out_plus64, avr_out_compare64): New.
2358 * config/avr/avr.c (avr_out_compare): Handle DImode.
2359 (avr_have_dimode): New variable definition and initialization.
2360 (avr_out_compare64, avr_out_plus64): New functions.
2361 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2362 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2363 (avr_compare_pattern): Skip DImode comparisons.
2365 2012-01-02 Revital Eres <revital.eres@linaro.org>
2367 * ddg.c (def_has_ccmode_p): New function.
2368 (add_cross_iteration_register_deps,
2369 create_ddg_dep_from_intra_loop_link): Call it.
2371 2012-01-02 Richard Guenther <rguenther@suse.de>
2374 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2376 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2378 * gcc.c (process_command): Update copyright notice dates.
2379 * gcov.c (print_version): Likewise.
2380 * gcov-dump.c (print_version): Likewise.
2381 * mips-tfile.c (main): Likewise.
2382 * mips-tdump.c (main): Likewise.
2384 2012-01-01 Ira Rosen <irar@il.ibm.com>
2386 PR tree-optimization/51704
2387 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2388 a use is inside the basic block or loop before accessing its vect info.
2390 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2392 PR rtl-optimization/51069
2393 * cfgloopmanip.c (remove_path): Removing path making irreducible
2394 region unconditional makes BB part of the region.
2396 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2398 PR tree-optimization/51683
2399 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2400 calls with side-effects.
2401 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2403 Copyright (C) 2012 Free Software Foundation, Inc.
2405 Copying and distribution of this file, with or without modification,
2406 are permitted in any medium without royalty provided the copyright
2407 notice and this notice are preserved.