1 2012-02-14 Richard Guenther <rguenther@suse.de>
4 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
5 Do not stream DECL_QUALIFIER.
6 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
7 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
8 (find_decls_types_r): Do not walk DECL_QUALIFIER.
10 2012-02-14 Jakub Jelinek <jakub@redhat.com>
13 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
16 2012-02-13 Jakub Jelinek <jakub@redhat.com>
19 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
20 * cselib.c (cselib_subst_to_values_from_insn): New function.
21 * sched-deps.c (add_insn_mem_dependence,
22 sched_analyze_1, sched_analyze_2): Use it.
24 2012-02-13 Jan Hubicka <jh@suse.cz>
27 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
29 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
31 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
32 (GTM_SELF_SPECS): Define if not already defined.
33 (driver_self_specs): Add GTM_SELF_SPECS.
34 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
35 (GTM_SELF_SPECS): Define.
36 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
37 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
39 2012-02-13 Jakub Jelinek <jakub@redhat.com>
41 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
44 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
48 * omp-low.c (expand_omp_for): If a static schedule without
49 chunk size has NULL region->cont, force fd.chunk_size to be
52 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
55 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
57 2012-02-13 Richard Guenther <rguenther@suse.de>
60 * passes.c (enable_disable_pass): Fix typo.
62 2012-02-13 Jakub Jelinek <jakub@redhat.com>
65 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
66 XOR for reduce_bit_field if type is unsigned.
68 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
70 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
71 disallow changes from SFmode to mode with different size in FP regs.
73 2012-02-12 Robert Millan <rmh@gnu.org>
74 Gerald Pfeifer <gerald@pfeifer.com>
76 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
79 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
81 PR rtl-optimization/52175
82 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
83 to frame-related instructions.
85 2012-02-10 Jason Merrill <jason@redhat.com>
88 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
89 (demangle_new_symbols): Fill it.
90 (scan_linker_output): Walk it.
91 (start_tweaking): Split out from scan_linker_output.
92 (maybe_tweak): Update sym->chosen.
93 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
95 2012-02-11 Jakub Jelinek <jakub@redhat.com>
98 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
101 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
103 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
104 having the same mode as previous compare.
106 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
108 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
109 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
110 (nonlocal_goto_internal): Likewise.
111 (nonlocal_goto): Emit a use and an indirect jump directly.
113 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
116 * doc/extend.texi : Update comments for __atomic_compare_exchange and
117 __atomic_{is,always}_lock_free.
119 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
122 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
123 negative constant address for x32.
125 2012-02-10 Richard Henderson <rth@redhat.com>
127 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
128 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
129 for GIMPLE_TRANSACTION. Tidy if's into a switch.
131 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
132 Ira Rosen <irar@il.ibm.com>
134 PR tree-optimization/50031
135 * targhooks.c (default_builtin_vectorization_cost): Handle
137 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
138 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
139 all types of reduction and pattern statements.
140 (vect_estimate_min_profitable_iters): Likewise.
141 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
142 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
143 for explicit realigns.
144 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
145 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
147 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
148 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
149 vec_perm for VSX and handle vec_promote_demote.
151 2012-02-10 Jakub Jelinek <jakub@redhat.com>
154 * builtins.c (fold_builtin_atomic_always_lock_free,
155 expand_builtin_atomic_always_lock_free,
156 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
157 Return and/or test boolean_true_node/boolean_false_node instead of
158 integer_one_node/integer_zero_node.
160 2012-02-10 Jan Hubicka <jh@suse.cz>
163 * predict.c (predict_paths_for_bb): Prevent looping.
164 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
166 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
168 * config/arm/arm.c (output_move_double): In one case properly
169 count number of instructions that will be emitted.
171 2012-02-10 Richard Guenther <rguenther@suse.de>
174 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
176 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
179 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
181 2012-02-09 Jakub Jelinek <jakub@redhat.com>
184 * var-tracking.c (emit_note_insn_var_location): If
185 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
186 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
187 non-NOTE_DURING_CALL_P insn.
189 2012-02-09 Bin Cheng <bin.cheng@arm.com>
192 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
194 2012-02-08 Magnus Granberg <zorry@gentoo.org>
197 * gcc.c (switch_matches) Support switches with separated form,
200 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
202 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
205 * config/avr/avr.c (avr_addr_t): New typedef.
206 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
207 (avr_init_expanders): Initialize it.
208 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
210 (expand_epilogue): Ditto.
211 (avr_print_operand): Ditto.
212 (avr_file_start): Ditto.
213 (avr_emit_movmemhi): Ditto.
215 2012-02-08 Richard Guenther <rguenther@suse.de>
217 PR tree-optimization/46886
218 * tree-flow.h (do_while_loop_p): Declare.
219 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
220 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
222 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
224 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
225 always succeed for integers larger than a native word.
227 2012-02-08 Richard Guenther <rguenther@suse.de>
229 PR rtl-optimization/52170
230 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
231 properly handle integer vector modes.
233 2012-02-08 Jakub Jelinek <jakub@redhat.com>
235 PR gcov-profile/52150
236 * coverage.c: Include target.h.
237 (build_var): Call targetm.strip_name_encoding on the assembler name.
238 Change one _ into . or $ if the target allows it.
239 * Makefile.in (coverage.o): Depend on $(TARGET_H).
241 PR rtl-optimization/52139
242 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
243 is a BARRIER after emit_insn_after_noloc, move BB_END
244 to the last non-BARRIER insn before it.
246 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
249 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
250 (mips_gimplify_va_arg_expr): Call it instead of
251 std_gimplify_va_arg_expr.
253 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
255 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
256 message for -mno-pointers-to-nested-function.
258 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
261 * expr.c (get_inner_reference): If there is an offset, add a negative
262 bit position to it (if any).
264 2012-02-07 Jakub Jelinek <jakub@redhat.com>
266 PR rtl-optimization/52060
267 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
268 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
269 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
270 and/or i0src_copy2 when needed.
272 2012-02-07 Jakub Jelinek <jakub@redhat.com>
274 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
275 or LTOPLUGINSONAME if have_c.
277 * config/freebsd-spec.h: Add comment about what macros can be defined
279 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
280 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
283 2012-02-07 Richard Guenther <rguenther@suse.de>
285 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
286 newline in -alias dumps.
288 2012-02-07 Kai Tietz <ktietz@redhat.com>
289 Dave Korn <dave.korn.cygwin@gmail.com>
292 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
293 Take care that typinfo gets dllexport-attribute.
295 2012-02-07 Jakub Jelinek <jakub@redhat.com>
298 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
299 if modifier < EXPAND_SUM call force_operand on the result.
301 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
303 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
304 adding __forwarder_dst__ prefix if a forwarder_section attribute is
306 (epiphany_function_type): Replace types for specific interrupts with
307 EPIPHANY_FUNCTION_INTERRUPT.
308 (EPIPHANY_INTERRUPT_P): Update.
309 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
311 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
312 <disinterrupt>: Affects type identity.
313 (epiphany_handle_interrupt_attribute): Handle variable number of
315 (epiphany_compute_function_type): Update for new
316 epiphany_function_type definition.
317 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
318 handlers with a longcall forwarder.
319 (epiphany_start_function): Handle multiple interrupt arguments and/or
320 forwarder_section attribute.
322 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
325 2012-02-07 Alan Modra <amodra@gmail.com>
328 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
331 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
333 PR tree-optimization/50969
334 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
335 use vec_perm rather than vector_stmt.
336 (vect_model_load_cost): Likewise.
337 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
338 vec_perm to be the same as other vector statements.
339 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
340 cost of vec_perm for TARGET_VSX.
342 2012-02-06 Richard Guenther <rguenther@suse.de>
344 PR tree-optimization/52115
345 * tree-sra.c (access_has_replacements_p): New function.
346 (sra_modify_assign): Use it to decide whether a use is uninitialized.
348 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
351 * trans-mem.c (expand_call_tm): Add an assertion.
352 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
355 2012-02-06 Richard Guenther <rguenther@suse.de>
357 PR tree-optimization/50955
358 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
359 raise cost of expressions that replace an address with an
360 expression based on a different pointer.
362 2012-02-06 Jakub Jelinek <jakub@redhat.com>
365 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
366 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
368 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
371 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
372 -Weffc++ and specify guidelines come from second edition.
374 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
376 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
377 (sibcall_value_multiple_internal, call_split, call_internal_direct)
378 (call_direct_split, call_value_split, call_value_internal_direct)
379 (call_value_direct_split, call_value_multiple_split): Use jal and
380 jal_macro attributes.
382 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
384 * reload1.c (reload_regs_reach_end_p): Replace with...
385 (reload_reg_rtx_reaches_end_p): ...this function.
386 (new_spill_reg_store): Update commentary.
387 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
388 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
389 before setting new_spill_reg_store.
390 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
391 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
392 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
393 for non-spill reload registers.
395 2012-02-05 Ira Rosen <irar@il.ibm.com>
397 PR tree-optimization/52091
398 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
399 (vect_is_simple_use_1): Likewise.
400 * tree-vect-loop.c (vectorizable_reduction): Update calls
401 to vect_is_simple_use_1 and vect_is_simple_use.
402 (vectorizable_live_operation): Likewise.
403 * tree-vect-patterns.c (widened_name_p,
404 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
405 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
406 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
407 vectorizable_shift,vectorizable_operation, vectorizable_store,
408 vectorizable_load): Likewise.
409 (vect_is_simple_cond): Add an argument, pass it to
410 vect_is_simple_use_1.
411 (vectorizable_condition): Update calls to vect_is_simple_cond,
413 (vect_is_simple_use): Add an argument, the statement in which
414 OPERAND is used. Check that if OPERAND's def stmt is a double
415 reduction phi node, the use is a phi node too.
416 (vect_is_simple_use_1): Add an argument, pass it to
418 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
419 to vect_is_simple_use.
421 2012-02-04 Jakub Jelinek <jakub@redhat.com>
423 PR rtl-optimization/52095
424 * modulo-sched.c (dump_insn_locator): New function.
425 (loop_canon_p, sms_schedule): Use it.
427 PR rtl-optimization/52113
428 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
429 even for decomposable shift/zext insns.
431 2012-02-03 Jakub Jelinek <jakub@redhat.com>
432 Zdenek Dvorak <ook@ucw.cz>
434 PR rtl-optimization/52092
435 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
436 on get_iv_value result.
438 2012-02-02 Andrew Pinski <apinski@cavium.com>
442 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
444 2012-02-02 Jakub Jelinek <jakub@redhat.com>
447 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
449 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
451 PR rtl-optimization/49800
452 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
453 (sched_finish): Call regstat_free_n_sets_and_refs.
455 2012-02-02 Jia Liu <proljc@gmail.com>
457 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
460 2012-02-02 Jan Hubicka <jh@suse.cz>
461 Tom de Vries <tom@codesourcery.com>
464 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
465 * varpool.c (varpool_analyze_pending_decls): Likewise.
467 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
468 Jayant R Sonar <jayant.sonar@kpitcummins.com>
470 * config.gcc: Add cr16-* support.
472 * doc/extend.texi: Document cr16 extensions.
473 * doc/install.texi: Document cr16 install.
474 * doc/invoke.texi: Document cr16 options.
475 * doc/md.texi: Document cr16 constraints.
477 * common/config/cr16/cr16-common.c: New file.
478 * config/cr16/cr16.c: New file.
479 * config/cr16/cr16.h: New file.
480 * config/cr16/cr16.md: New file.
481 * config/cr16/cr16.opt: New file.
482 * config/cr16/cr16-protos.h: New file.
483 * config/cr16/predicates.md: New file.
484 * config/cr16/constraints.md: New file.
485 * config/cr16/t-cr16: New file.
487 2012-02-02 Jakub Jelinek <jakub@redhat.com>
490 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
491 that operands[2] is either immediate, or q_regs_operand.
493 PR tree-optimization/52073
494 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
495 a pattern stmt for pattern uses, ignore uses outside of the loop.
497 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
499 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
500 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
501 (OUT_AS1, OUT_AS2): Remove.
503 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
505 PR rtl-optimization/51374
506 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
507 to cross other volatile_refs_p insns.
509 2012-02-01 Richard Guenther <rguenther@suse.de>
511 * doc/invoke.texi (fno-inline): Clarify documentation.
512 (finline-small-functions): Likewise.
513 (finline-functions): Likewise.
514 * common.opt (finline): Adjust comment and documentation.
515 (finline-small-functions): Clarify documentation.
516 (finline-functions): Likewise.
517 (finline-functions-called-once): Likewise.
519 2012-02-01 Tristan Gingold <gingold@adacore.com>
521 * c-typeck.c (composite_type): Keep mode for pointers.
523 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
525 * function.h (regno_reg_rtx): Adjust comment.
526 * reginfo.c (init_reg_modes_target): Only use the previous mode
527 if it fits within one register. Remove MIPS comment.
529 2012-01-31 Jakub Jelinek <jakub@redhat.com>
532 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
534 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
536 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
539 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
541 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
543 2012-01-31 Jakub Jelinek <jakub@redhat.com>
548 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
550 2012-01-31 Richard Guenther <rguenther@suse.de>
552 PR tree-optimization/51528
553 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
556 2012-01-31 Jakub Jelinek <jakub@redhat.com>
561 * ree.c (add_removable_extension): Change def_map argument
562 to unsigned *, store in def_map 1 + offset into *insn_list vector
563 instead of pointers into the vector.
564 (find_removable_extensions): Adjust caller.
566 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
568 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
569 Transform all "* quoted-c-code" to { c-code }.
570 Remove redundant test for "optimize" in combine patterns.
571 Move (include "avr-dimode.md") to end of file.
573 2012-01-30 Bin Cheng <bin.cheng@arm.com>
576 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
577 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
579 2012-01-30 Richard Guenther <rguenther@suse.de>
581 PR tree-optimization/52028
582 * tree-loop-distribution.c (ldist_gen): Properly update
585 2012-01-30 Jakub Jelinek <jakub@redhat.com>
588 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
589 set_cur_line_info_table if not emitting debug info.
591 PR tree-optimization/52046
592 * tree-vect-patterns.c (check_bool_pattern): Give up if
593 a comparison could throw.
596 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
598 2012-01-30 Richard Guenther <rguenther@suse.de>
600 PR tree-optimization/52045
601 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
602 SSA form if cfgcleanup did anything.
604 2012-01-30 Richard Guenther <rguenther@suse.de>
606 PR tree-optimization/52045
607 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
608 before computing final todo.
610 2012-01-30 Richard Guenther <rguenther@suse.de>
612 PR tree-optimization/51528
613 * tree-sra.c (sra_modify_assign): Re-factor in preparation
616 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
618 * df-problems.c (df_kill_notes): Check that the use refers
619 to the note under examination.
621 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
624 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
625 parameter and use short-lived pseudos.
626 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
627 (sparc_expand_vector_init): Const-ify local variables and adjust
628 calls to above functions.
630 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
632 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
634 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
636 * doc/invoke.texi: Make usage of "compile time" and
637 "run time"/"runtime" consistent throughout the file.
639 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
641 * config/alpha/alpha.c (alpha_option_override): Default to
642 full IEEE compliance mode for Go language.
644 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
646 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
647 (LINK_SSP_SPEC): Define.
649 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
652 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
655 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
657 * doc/invoke.texi: Correct hyphenation of "floating point",
658 "double precision", and related terminology throughout the file.
660 2012-01-28 Jakub Jelinek <jakub@redhat.com>
663 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
664 arm_general_register_operand predicate for operand 2 instead of
667 2012-01-27 Ian Lance Taylor <iant@google.com>
670 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
671 * builtins.c (expand_builtin_init_trampoline): Add onstack
672 parameter. Change caller.
673 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
674 * tree.c (build_common_builtin_nodes): Declare
675 __builtin_init_heap_trampoline.
677 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
679 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
680 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
681 * config/avr/avr.c: Ditto.
682 (avr_regnames): Remove because unused.
683 * config/avr/avr.md (*cpse.ne): New peephole.
684 (*cpse.eq): New peephole from former cpse peepholes.
686 2012-01-27 Michael Eager <eager@eagercon.com>
688 * config/microblaze.c (microblaze_emit_compare): Correct
689 test after pcmp instruction.
691 2012-01-27 Richard Guenther <rguenther@suse.de>
693 PR tree-optimization/52020
694 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
696 2012-01-27 Richard Guenther <rguenther@suse.de>
698 * ipa-pure-const.c (check_stmt): Clobbers do not make a
699 function non-const/pure.
701 2012-01-27 Richard Guenther <rguenther@suse.de>
703 PR tree-optimization/50444
704 * tree-sra.c (build_ref_for_offset): Properly adjust the
705 MEM_REF type for unaligned accesses.
707 2012-01-27 Richard Guenther <rguenther@suse.de>
709 PR tree-optimization/50444
710 * expr.c (mem_ref_refers_to_non_mem_p): New function.
711 (expand_assignment): Use it. Properly handle misaligned
712 bases when expanding stores to component references.
713 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
716 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
719 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
720 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
721 * tree-data-ref.c (find_data_references_in_loop): Make static.
722 (compute_all_dependences): Change return type to bool. Bail out
723 for too many datarefs in a loop. Move the hunk resetting the data
724 dependences vector from ...
725 (compute_data_dependences_for_loop): ... here. Account for
726 compute_all_dependences returning false.
727 (compute_data_dependences_for_bb): Likewise.
728 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
729 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
731 2012-01-27 Richard Guenther <rguenther@suse.de>
734 * expr.c (store_field): Use the alias-set of the scratch memory
737 2012-01-27 Tom de Vries <tom@codesourcery.com>
739 PR tree-optimization/51990
740 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
742 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
744 2012-01-27 Jakub Jelinek <jakub@redhat.com>
747 * var-tracking.c (reverse_op): Don't add any reverse operation
748 if V already has any constant locations.
750 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
752 * doc/invoke.texi: Correct usage of "command line" (noun)
753 vs "command-line" (adjective) throughout.
755 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
757 * doc/invoke.texi (Language Independent Options): Move
758 -Wcoverage-mismatch blurb from here....
759 (Warning Options): ...to here.
761 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
763 * config/rs6000/rs6000.c (rs6000_option_override_internal):
764 Set rs6000_always_hint to false for 476.
766 2012-01-27 Matthias Klose <doko@ubuntu.com>
768 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
770 * incpath.c (add_standard_paths): Likewise.
772 2012-01-27 Richard Henderson <rth@redhat.com>
774 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
775 * config/m68k/sync.md (atomic_test_and_set): Rename from
776 sync_test_and_setqi and adjust the operands.
777 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
778 and unconditionally enable.
780 2012-01-27 Richard Henderson <rth@redhat.com>
782 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
783 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
784 (ldstub): Rename from ldstubqi.
785 (ldstub<I24MODE>): Remove.
787 2012-01-27 Richard Henderson <rth@redhat.com>
789 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
790 * c-cppbuiltin.c (cpp_atomic_builtins): Define
791 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
792 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
793 * doc/tm.texi: Rebuild.
795 2012-01-27 Richard Henderson <rth@redhat.com>
797 * optabs.c (gen_atomic_test_and_set): Remove default.
798 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
800 2012-01-26 Jakub Jelinek <jakub@redhat.com>
802 PR rtl-optimization/51978
803 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
804 (combine_reaching_defs): Likewise.
805 (struct re_info): Remove.
806 (add_removable_extension): Remove x and data arguments,
807 add insn, insn_list and def_map. Use the arguments directly
808 instead of using struct re_info.
809 (find_removable_extensions): Don't call add_removable_extension
810 through note_stores, instead just call it with single_set
812 (find_and_remove_re): Pass curr_cand->expr instead of
813 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
815 2012-01-26 Michael Matz <matz@suse.de>
817 PR tree-optimization/46590
818 * cfgexpand.c: Revert last change (r183305).
819 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
821 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
822 checking for emptiness.
824 2012-01-26 Jakub Jelinek <jakub@redhat.com>
827 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
828 non-addressable non-BLKmode base correctly.
830 2012-01-26 Michael Matz <matz@suse.de>
832 PR tree-optimization/48794
833 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
834 regions referenced from RESX/EH_DISPATCH.
836 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
838 * config/s390/s390.h: Make BRANCH_COST an option.
839 * config/s390/s390.opt: New option -mbranch-cost.
841 2012-01-26 Richard Henderson <rth@redhat.com>
843 Revert 2012-01-24 change:
844 * trans-mem.c (requires_barrier): Do not instrument thread local
845 variables and emit save/restore for them.
847 2012-01-25 Jakub Jelinek <jakub@redhat.com>
850 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
853 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
855 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
858 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
861 Rename __pgm to __flash.
862 Rename __pgm1 to __flash1.
863 Rename __pgm2 to __flash2.
864 Rename __pgm3 to __flash3.
865 Rename __pgm4 to __flash4.
866 Rename __pgm5 to __flash5.
867 Rename __pgmx to __memx.
868 * doc/extend.texi (AVR Named Address Spaces)
869 Rename address space names as indicated above.
870 * config/avr/avr.c (avr_addrspace): Ditto.
872 * config/avr/avr-protos.h
873 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
874 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
875 * config/avr/predicates.md: Ditto.
876 * config/avr/avr.c Ditto, and
877 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
878 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
880 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
881 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
882 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
883 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
884 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
885 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
886 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
887 * config/avr/avr.c: Ditto.
888 * config/avr/avr.md: Ditto.
890 2012-01-25 Jason Merrill <jason@redhat.com>
893 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
895 2012-01-25 Jakub Jelinek <jakub@redhat.com>
897 PR tree-optimization/51987
898 * tree-data-ref.c (get_references_in_stmt): Handle references in
899 non-volatile GIMPLE_ASM.
901 2012-01-25 Richard Guenther <rguenther@suse.de>
903 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
904 bases are dereferenced.
906 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
908 PR rtl-optimization/48374
909 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
911 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
913 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
914 compute_data_dependences_for_loop returns false.
915 * tree-parloops.c (loop_parallel_p): Likewise.
917 2012-01-25 Richard Guenther <rguenther@suse.de>
919 * tree.h (get_pointer_alignment_1): Declare.
920 * builtins.c (get_pointer_alignment_1): New function.
921 (get_pointer_alignment): Use it.
923 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
925 PR rtl-optimization/48308
926 * combine.c (enum undo_kind): Add UNDO_LINKS.
927 (struct undo): Add member l to other_contents and where.
928 (do_SUBST_LINK): New.
930 (try_combine): Handle LOG_LINKS for the dummy i1 case.
931 (undo_all): Handle UNDO_LINKS.
933 2012-01-25 Richard Henderson <rth@redhat.com>
935 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
938 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
940 * optabs.c (gen_atomic_test_and_set): Use each argument.
942 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
944 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
945 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
946 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
947 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
948 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
949 TARGET_PAIRED_SINGLE_FLOAT.
951 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
953 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
954 (in_struct, return_val): Remove MEM documentation.
955 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
956 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
957 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
959 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
960 * cfgexpand.c (add_alias_set_conflicts): Likewise.
961 * expr.c (store_field): Likewise.
962 * function.c (assign_stack_temp_for_type): Likewise.
963 * ifcvt.c (noce_try_cmove_arith): Likewise.
964 * reload1.c (reload): Likewise.
965 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
966 (alpha_set_memflags): Likewise.
967 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
969 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
971 * rtl.h (true_dependence, canon_true_dependence): Remove varies
973 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
974 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
975 (true_dependence_1, true_dependence, canon_true_dependence): Remove
977 * cselib.c (cselib_rtx_varies_p): Delete.
978 (cselib_invalidate_mem): Update call to canon_true_dependence.
979 * dse.c (record_store, check_mem_read_rtx): Likewise.
980 (scan_reads_nospill): Likewise.
981 * cse.c (check_dependence): Likewise.
982 (cse_rtx_varies_p): Delete.
983 * expr.c (safe_from_p): Update call to true_dependence.
984 * ira.c (validate_equiv_mem_from_store): Likewise.
985 (memref_referenced_p): Likewise.
986 * postreload-gcse.c (find_mem_conflicts): Likewise.
987 * sched-deps.c (sched_analyze_2): Likewise.
988 * store-motion.c (load_kills_store): Likewise.
989 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
990 * gcse.c (mems_conflict_for_gcse_p): Likewise.
991 (compute_transp): Update call to canon_true_dependence.
993 2012-01-25 Richard Henderson <rth@redhat.com>
995 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
996 (maybe_emit_atomic_test_and_set): New.
997 (expand_sync_lock_test_and_set): Use it.
998 (expand_atomic_test_and_set): Likewise.
999 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1000 the implementation; clarify implementation defined details.
1001 * doc/md.texi (atomic_test_and_set): Document.
1003 2012-01-25 Richard Henderson <rth@redhat.com>
1005 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1007 2012-01-25 Richard Henderson <rth@redhat.com>
1010 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1011 to effect no-op split.
1013 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1016 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1017 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1018 (BT_FN_VOID_PTR_INT_SIZE): New.
1019 (BT_FN_UINT_UINT_VAR): Remove.
1020 (BT_FN_UINT32_UINT32_VAR): New.
1021 (BT_FN_DOUBLE_VPTR): Remove.
1022 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1024 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1025 (_ITM_changeTransactionMode): Same.
1026 (_ITM_memmoveRtWt): Change return type to void.
1027 (_ITM_memcpyRtWt): Same.
1028 (_ITM_memsetW): Same.
1029 (_ITM_RaRD): Change types to double.
1034 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1036 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1037 Patrick Marlier <patrick.marlier@gmail.com>
1039 * trans-mem.c (requires_barrier): Do not instrument thread local
1040 variables and emit save/restore for them.
1042 2012-01-24 Jason Merrill <jason@redhat.com>
1045 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1046 output static aliases.
1048 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1051 * common.opt (-pie, -shared, pie, shared): Change from Common to
1053 * gcc.c (display_help): Display help for -pie and -shared.
1055 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1058 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1059 Remove note on size/offset limitation.
1060 (AVR Variable Attributes): Add example how to read data located
1061 with progmem. Refer to named address spaces.
1062 * doc/invoke.texi (AVR Options): Fix typo.
1064 2012-01-24 Richard Guenther <rguenther@suse.de>
1066 Forward-port to trunk
1067 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1070 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1071 op0 isn't sufficiently aligned and there is movmisalignM
1072 insn for mode, use it to load op0 into a temporary register.
1074 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1077 * target.def (const_not_ok_for_debug_p): New hook.
1078 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1080 * doc/tm.texi: Regenerated.
1081 * dwarf2out.c (const_ok_for_output_1): If
1082 targetm.const_not_ok_for_debug_p returns true, fail.
1083 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1085 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1087 2012-01-23 Kai Tietz <ktietz@redhat.com>
1090 * config/i386/predicates.md (symbolic_operand): Allow
1091 UNSPEC_PCREL as PIC expression for lea.
1092 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1093 * config/i386/i386.c (ix86_delegitimize_address): Handle
1094 UNSPEC_PCREL for none-MEM, too.
1096 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1098 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1099 (ipa_tm_create_version_alias): Same.
1101 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1104 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1105 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1107 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1108 Patrick Marlier <patrick.marlier@gmail.com>
1109 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1112 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1113 simple_object_start_read.
1115 2012-01-23 Richard Guenther <rguenther@suse.de>
1118 PR tree-optimization/51895
1119 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1120 parameter decomposition into BLKmode components.
1122 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1124 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1125 fake variables for restrict-qualified pointers whose pointed-to type
1126 contains a placeholder.
1128 2012-01-23 Richard Guenther <rguenther@suse.de>
1130 PR tree-optimization/51949
1131 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1133 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1135 PR rtl-optimization/51933
1136 * ree.c (transform_ifelse): Return true right away if dstreg is
1137 already wider or equal to cand->mode.
1138 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1139 (make_defs_and_copies_lists): Remove defs_list and copies_list
1140 arguments, add state argument, just truncate state->work_list
1141 instead of always allocating and freeing the vector. Assert that
1142 get_defs succeeds instead of returning 2. Changed return type to bool.
1143 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1144 have ext_src_mode, see if it has been modified already with the
1145 right kind of extension and has been extended before from the
1146 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1147 just return true. Remember the original mode in state->modified array.
1148 (combine_reaching_defs): Add state argument. Don't allocate and
1149 free here def_list, copied_list and vec vectors, instead just
1150 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1151 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1152 Add state variable, clear vectors in it, initialize state.modified
1153 if needed. Free all the vectors at the end and state.modified too.
1154 Don't skip a candidate if the extension expression has been modified.
1156 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1159 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1160 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1161 (extra_options) interix.opt -> i386/interix.opt"
1162 (extra_objs):Add winnt-stubs.o
1163 * configure.ac: Add interix to target_os .comm on PE check.
1164 * configure: Regenerate.
1165 * config/interix3.h: Delete and move bits to..
1166 * config/interix.h: Delete and move bits to..
1167 * config/i386/i386-interix3.h: Delete and move bits to..
1168 * config/i386/i386-interix.h: ..here.
1169 (TARGET_CPU_DEFAULT): Remove redefinition.
1170 (TARGET_ASM_CONSTRUCTOR): Undefine.
1171 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1172 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1173 (PTRDIFF_TYPE): Define.
1174 (LONG_DOUBLE_TYPE_SIZE): Define.
1175 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1176 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1177 (TARGET_SECTION_TYPE_FLAGS): Define.
1178 (ASM_DECLARE_FUNCTION_NAME): Define.
1179 (ASM_OUTPUT_EXTERNAL): Define.
1180 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1181 (ASM_OUTPUT_ALIGNED_BSS): Define.
1182 (PCC_BITFIELD_TYPE_MATTERS): Define.
1183 (USE_CONST_SECTION): Define.
1184 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1185 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1186 (SUPPORTS_ONE_ONLY): Remove.
1187 (I386_PE_STRIP_ENCODING): Define.
1188 * config/interix.opt: Delete and move bits to..
1189 * config/i386/interix.opt: ..here. New.
1190 (mpe-aligned-commons): Add.
1191 * config/i386/t-interix: Add copyright header.
1192 (winnt-stubs.o): Add rule.
1194 2012-01-22 Jason Merrill <jason@redhat.com>
1197 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1198 for extra name aliases.
1200 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1202 PR rtl-optimization/51924
1203 * ree.c (combine_set_extension): Improve debugging message.
1204 (combine_reaching_defs): Likewise.
1205 (get_defs): Rename confusingly named variable.
1206 (find_and_remove_re): Skip a candidate if the extension expression has
1209 2012-01-21 Robert Millan <rmh@gnu.org>
1210 Gerald Pfeifer <gerald@pfeifer.com>
1212 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1213 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1215 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1217 PR tree-optimization/51914
1218 * tree-vect-stmts.c (vectorizable_conversion): For
1219 cvt_type && modifier == WIDEN, put temporary with cvt_type
1220 at the beginning of vec_dsts and set vec_dest to temporary
1223 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1225 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1227 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1229 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1230 * config/rs6000/rs6000.c: Likewise.
1232 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1235 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1236 output_move_double on a copy of operands array.
1238 2012-01-20 Cary Coutant <ccoutant@google.com>
1239 Dodji Seketeli <dodji@redhat.com>
1242 * dwarf2out.c (copy_declaration_context): Return ref to parent
1243 of declaration DIE, if necessary.
1244 (remove_child_or_replace_with_skeleton): Add new parameter; update
1245 caller. Place skeleton DIE under parent DIE of original declaration.
1246 Move call to copy_declaration_context to here ...
1247 (break_out_comdat_types): ... from here.
1249 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1251 PR rtl-optimization/51856
1252 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1255 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1258 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1259 hints for neon loads and stores.
1261 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1265 * doc/extend.texi (Named Address Spaces): Split into subsections.
1266 (AVR Named Address Spaces): New subsection.
1267 (M32C Named Address Spaces): New subsection.
1268 (RL78 Named Address Spaces): New subsection.
1269 (SPU Named Address Spaces): New subsection.
1270 (Variable Attributes): New anchor "AVR Variable Attributes".
1271 (AVR Variable Attributes): Rewrite and avoid wording
1272 "address space" in this context.
1273 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1274 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1275 (AVR Built-in Macros): New subsubsection therein.
1276 * doc/md.texi (AVR constraints): Remove "C04", "R".
1278 2012-01-20 Richard Guenther <rguenther@suse.de>
1280 PR tree-optimization/51903
1281 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1282 when removing stmts.
1284 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1287 * config/arm/arm.c (arm_load_pic_register): Use
1288 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1289 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1290 (arm_pic_static_addr): Likewise.
1291 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1292 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1293 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1294 (pic_load_addr_unified): New.
1296 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1299 * function.c (instantiate_virtual_regs_in_insn): Use
1300 delete_insn_and_edges when removing a wrong asm insn.
1302 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1304 PR rtl-optimization/40761
1305 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1306 Add new member loop_num.
1307 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1308 (ira_build): Remove the parameter.
1310 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1311 (ira.c): Do not build CFG loops for one region allocation. Remove
1312 argument from ira_build call.
1314 * ira-build.c (init_loop_tree_node): New function.
1315 (create_loop_tree_nodes): Use it. Separate the case when CFG
1316 loops are not built.
1317 (more_one_region_p): Check current_loops.
1318 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1320 (add_loop_to_tree): Process loop equal to NULL too.
1321 (form_loop_tree): Separate the case when CFG loops are not built.
1322 Use explicitly number for the root.
1323 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1325 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1326 instead of loop->num.
1327 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1328 (mark_all_loops_for_removal): Ditto.
1329 (remove_unnecessary_regions): Separate the case when CFG loops
1331 (ira_build): Remove the parameter. Use explicit number of regions
1332 when CFG loops are not built.
1334 * ira-color.c (print_loop_title): Separate the case for the root node.
1335 Use loop_num instead of loop->num.
1336 (move_spill_restore): Use loop_num instead of loop->num.
1338 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1339 (change_loop): Ditto.
1340 (change_loop): Use loop_num instead of loop->num.
1342 * ira-lives.c (process_bb_node_lives): Ditto.
1344 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1346 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1348 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1351 * tree-mudflap.c (mf_artificial): New function.
1352 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1353 mx_register_decls, mudflap_enqueue_decl): Use it.
1356 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1357 numbers in the insn pattern.
1359 2012-01-19 Michael Matz <matz@suse.de>
1361 PR tree-optimization/46590
1362 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1363 use it in remembering which conflicts we already created.
1364 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1367 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1370 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1371 (merge_and_complain): Same.
1373 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1376 * config/initfini-array.h: Guard content of the header
1377 with #ifdef HAVE_INITFINI_ARRAY.
1378 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1379 Add initfini-array.h to tm_file here.
1380 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1381 * config.gcc: Don't add initfini-array.h to tm_file here.
1382 * configure: Regenerated.
1384 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1386 PR rtl-optimization/51505
1387 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1388 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1389 (df_note_bb_compute): Update the call to df_kill_notes.
1391 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1393 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1395 2012-01-18 Richard Guenther <rguenther@suse.de>
1397 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1398 of conversions to void *.
1400 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1401 Richard Sandiford <rdsandiford@googlemail.com>
1405 * optabs.h (simplify_expand_binop): Declare.
1406 * optabs.c (simplify_expand_binop): Make global.
1407 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1408 endian targets if the source cannot be exactly covered by word
1411 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1414 * hard-reg-set.h (struct hard_reg_set_container): New type.
1415 * target.h (struct hard_reg_set_container): Forward declare.
1416 * target.def (set_up_by_prologue): New target hook.
1417 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1418 * doc/tm.texi: Regenerated.
1419 * function.c (thread_prologue_and_epilogue_insns): Change
1420 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1421 Call targetm.set_up_by_prologue on it.
1422 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1423 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1425 2012-01-17 Nick Clifton <nickc@redhat.com>
1427 * config/rx/rx.c (rx_can_use_simple_return): New function.
1428 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1429 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1431 2012-01-17 Richard Guenther <rguenther@suse.de>
1434 * expr.c (expand_assignment): Take address-space information
1435 from the address operand of MEM_REF and TARGET_MEM_REF.
1436 (expand_expr_real_1): Likewise.
1438 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1440 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1441 reload dump is requested.
1443 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1446 * trans-mem.c (requires_barrier): Call may_be_aliased.
1448 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1450 PR tree-optimization/51877
1451 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1452 call arguments and fndecls compare equal, instead return false if they
1453 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1454 both SSA_NAMEs that are valueized the same, or they satisfy
1457 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1459 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1461 * configure: Regenerate.
1463 2012-01-16 Jan Hubicka <jh@suse.cz>
1467 * convert.c (convert_to_integer): Use fold_convert for
1468 converting an INTEGER_CST to integer type.
1470 2012-01-16 Jason Merrill <jason@redhat.com>
1473 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1475 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1478 * config/s390/s390.c (s390_chunkify_start): Don't skip
1479 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1480 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1481 If insn is followed by NOTE_INSN_VAR_LOCATION or
1482 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1483 Don't use location of note insns.
1485 PR tree-optimization/51865
1486 * tree-inline.c (tree_function_versioning): Call remap_decl
1487 on DECL_RESULT whenever it has VOID_TYPE_P type.
1489 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1491 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1492 for calls to locally-binding MIPS16 functions if only the return
1493 type uses float regs.
1495 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1496 Richard Sandiford <rdsandiford@googlemail.com>
1498 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1499 (SYMBOL_32_HIGH): Likewise.
1500 (mips_output_tls_reloc_directive): Declare.
1501 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1502 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1503 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1504 (mips_lo_relocs, mips_hi_relocs): Make extern.
1505 (mips16_stub_function): Move up file.
1506 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1507 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1508 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1509 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1510 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1511 (mips_get_tp): Add MIPS16 support.
1512 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1513 Generalize DTPREL and TPREL handling.
1514 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1515 Add MIPS16 TLS support.
1516 (mips_output_tls_reloc_directive): New function.
1517 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1518 * config/mips/predicates.md (symbolic_operand_with_high)
1519 (tls_reloc_operand): New predicates.
1520 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1521 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1522 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1523 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1524 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1525 (*tls_get_tp_mips16_call_<mode>): Likewise.
1527 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1529 PR rtl-optimization/51821
1530 * recog.c (peep2_find_free_register): Determine clobbered registers
1533 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1536 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1537 * config/avr/avr.c: Likewise.
1538 * config/avr/avr.h: Likewise.
1540 2012-01-13 Ian Lance Taylor <iant@google.com>
1543 * tree.h (TYPE_QUALS): Add cast to int.
1544 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1546 2012-01-13 Ian Lance Taylor <iant@google.com>
1548 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1549 comparing param_index to VEC_length result.
1551 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1553 * c-decl.c: Do not include tree-mudflap.h
1554 * tree-optimize.c: Likewise.
1555 * Makefile.in: Update dependencies.
1557 2012-01-13 Richard Guenther <rguenther@suse.de>
1560 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1561 variable-sized result always use RSO.
1563 2012-01-12 DJ Delorie <dj@redhat.com>
1565 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1566 pointer type, not just the default pointer type.
1568 2012-01-09 Richard Henderson <rth@redhat.com>
1569 Denis Chertykov <chertykov@gmail.com>
1572 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1573 * config/avr/avr.c (avr_can_eliminate): Simplify.
1574 (avr_initial_elimination_offset): Likewise.
1575 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1576 (expand_epilogue): Likewise.
1577 (avr_legitimize_address): Gut.
1578 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1579 (avr_hard_regno_nregs): New.
1580 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1581 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1582 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1583 add soft frame pointer.
1584 (CALL_USED_REGISTERS): Likewise.
1585 (REG_CLASS_CONTENTS): Likewise.
1586 (REGISTER_NAMES): Likewise.
1587 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1588 (HARD_FRAME_POINTER_REGNUM): New.
1589 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1590 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1591 remove the HARD_FRAME_POINTER self-elimination.
1593 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1596 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1597 DECL_EXTERNAL when checking for initializers of progmem variables.
1599 2012-01-12 Ira Rosen <irar@il.ibm.com>
1601 PR tree-optimization/51799
1602 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1603 that the last operation is a type demotion.
1605 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1607 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1608 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1610 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1613 * combine.c (distribute_notes): If i3 is a noreturn call,
1614 allow old_size to be equal to args_size and make sure the
1615 noreturn call gets REG_ARGS_SIZE note.
1616 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1617 on noreturn calls even when the delta is 0.
1619 2012-01-11 Nathan Sidwell <nathan@acm.org>
1621 * gcov.c (STRING_SIZE): Remove.
1622 (generate_results): Erase annotations for source files with no
1623 coverage information.
1625 (output_lines): Use it.
1627 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1629 * gimple.h (gimplify_body): Remove first argument.
1630 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1631 pointer set here, instead just pass DATA to walk_tree.
1632 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1633 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1634 (unvisit_body): Likewise, but with unmark_visited.
1635 (gimplify_body): Remove BODY_P argument and adjust.
1636 (gimplify_function_tree): Adjust call to gimplify_body.
1637 * omp-low.c (finalize_task_copyfn): Likewise.
1639 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1641 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1642 (build_function_type_skip_args): Delete.
1643 * tree.c (build_function_type_skip_args): Make static and add
1644 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1645 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1646 pass it to build_function_type_skip_args.
1647 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1648 (tree_function_versioning): Likewise.
1649 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1650 build_function_decl_skip_args.
1651 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1652 and pass it to build_function_decl_skip_args/tree_function_versioning.
1653 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1654 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1655 * trans-mem.c (ipa_tm_create_version): Likewise.
1656 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1657 * tree-inline.c (declare_return_variable): Remove always-true test.
1658 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1659 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1660 * ipa-split.c (split_function): Skip the return value for the split
1661 part if it doesn't return.
1663 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1665 PR tree-optimization/49642
1666 * ipa-split.c (forbidden_dominators): New variable.
1667 (check_forbidden_calls): New function.
1668 (dominated_by_forbidden): Likewise.
1669 (consider_split): Check for forbidden dominators.
1670 (execute_split_functions): Initialize and free forbidden
1671 dominators info; call check_forbidden_calls.
1673 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1675 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1677 2012-01-11 Nick Clifton <nickc@redhat.com>
1679 * config/rx/rx.md (return): Define pattern.
1681 2012-01-11 Richard Guenther <rguenther@suse.de>
1683 * doc/extend.texi (malloc attribute): Adjust according to
1686 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1687 Patrick Marlier <patrick.marlier@gmail.com>
1690 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1691 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1692 (ipa_tm_note_irrevocable): Same.
1693 (ipa_tm_scan_irr_block): Same.
1694 (ipa_tm_decrement_clone_counts): Same.
1695 (ipa_tm_scan_irr_function): Same.
1696 (ipa_tm_create_version_alias): Same.
1697 (ipa_tm_create_version): Same.
1698 (ipa_tm_transform_calls_redirect): Same.
1699 (ipa_tm_transform_calls): Same.
1700 (ipa_tm_transform_transaction): Same.
1701 (ipa_tm_execute): Same.
1703 2012-01-10 Richard Guenther <rguenther@suse.de>
1706 * opts.c (common_handle_option): Handle -Werror.
1708 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1710 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1713 2012-01-10 Jason Merrill <jason@redhat.com>
1715 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1718 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1720 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1721 supports R_386_TLS_GD_PLT reloc.
1722 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1723 supports R_386_TLS_LDM_PLT reloc.
1724 * configure: Regenerate.
1725 * config.in: Regenerate.
1727 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1730 Extend __pgmx semantics to linearize memory.
1731 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1732 determine if code comes inline or from libgcc.
1733 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1734 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1735 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1736 (movmemx_qi, movmemx_hi): New insns.
1737 (xload_<mode>_libgcc): Rewrite to new insn condition.
1738 (xload_<mode>): Remove insns.
1739 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1740 cases that don't satisfy avr_xload_libgcc_p().
1741 (avr_addr_space_convert): Allow converting in any direction.
1742 (avr_addr_space_subset_p): Return always true.
1743 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1744 (avr_emit_movmemhi): Ditto.
1745 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1746 (avr_out_movmem): Ditto.
1747 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1748 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1749 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1750 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1751 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1753 2012-01-10 Richard Guenther <rguenther@suse.de>
1755 PR tree-optimization/50913
1756 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1757 Require data-refs to be representable by Graphite with respect
1760 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1762 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1763 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1765 2012-01-10 Tom de Vries <tom@codesourcery.com>
1767 PR rtl-optimization/51271
1768 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1769 handling annulled branch.
1771 2012-01-10 Richard Henderson <rth@redhat.com>
1773 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1774 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1775 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1776 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1777 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1778 arm_expand_vec_perm_const): New.
1779 * config/arm/arm-protos.h: Update.
1780 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1781 (*neon_vswp<VDQX>): New.
1782 (neon_vcombine<VDX>): Use neon_split_vcombine.
1783 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1784 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1785 (vec_perm<VE>): New.
1787 2012-01-10 Richard Henderson <rth@redhat.com>
1789 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1790 use it if reload_completed.
1791 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1792 arm_output_asm_insn, arm_process_output_memory_barrier,
1793 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1794 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1795 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1796 arm_process_output_sync_insn, arm_output_sync_insn,
1797 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1798 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1799 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1800 (emit_unlikely_jump): New.
1801 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1802 (arm_split_atomic_op): New.
1803 * config/arm/arm-protos.h: Update.
1804 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1805 (struct arm_sync_generator): Remove.
1806 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1807 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1808 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1809 (VUNSPEC_LL, VUNSPEC_SC): New.
1810 (sync_result, sync_memory, sync_required_value, sync_new_value,
1811 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1812 (attr length): Don't use arm_sync_loop_insns.
1813 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1814 (movsfcc, movdfcc): Likewise.
1815 * config/arm/constraints.md (Ua): New.
1816 * config/arm/prediates.md (mem_noofs_operand): New.
1817 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1818 (sync_clobber, sync_t2_reqd): Remove.
1819 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1820 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1821 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1822 (arm_sync_compare_and_swap<SIDI>): Remove.
1823 (arm_sync_compare_and_swap<NARROW>): Remove.
1824 (arm_sync_lock_test_and_set<SIDI>): Remove.
1825 (arm_sync_lock_test_and_set<NARROW>): Remove.
1826 (arm_sync_new_<syncop><SIDI>): Remove.
1827 (arm_sync_new_<syncop><NARROW>): Remove.
1828 (arm_sync_new_nand<SIDI>): Remove.
1829 (arm_sync_new_nand<NARROW>): Remove.
1830 (arm_sync_old_<syncop><SIDI>): Remove.
1831 (arm_sync_old_<syncop><NARROW>): Remove.
1832 (arm_sync_old_nand<SIDI>): Remove.
1833 (arm_sync_old_nand<NARROW>): Remove.
1834 (*memory_barrier): Merge arm_output_memory_barrier.
1835 (atomic_compare_and_swap<QHSD>): New.
1836 (atomic_compare_and_swap<NARROW>_1): New.
1837 (atomic_compare_and_swap<SIDI>_1): New.
1838 (atomic_exchange<QHSD>): New.
1839 (cas_cmp_operand, cas_cmp_str): New.
1840 (atomic_op_operand, atomic_op_str): New.
1841 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1842 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1843 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1844 (arm_load_exclusive<NARROW>): New.
1845 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1846 (arm_store_exclusive<QHSD>): New.
1848 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1850 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1851 reload patterns if -mvsx-scalar-memory.
1853 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1854 generated, even -mno-vsx-scalar-double was used.
1855 (vsx_xscvdpsp_scalar): Likewise.
1856 (vsx_xscvspdp_scalar2): Likewise.
1858 2012-01-09 Tom de Vries <tom@codesourcery.com>
1859 Andrew Pinski <apinski@cavium.com>
1862 * reorg.c (fill_slots_from_thread): Don't speculate
1863 frame-related insns.
1865 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1867 * sched-int.h (bb_note): Move to...
1868 * basic-block.h: ...here.
1869 * haifa-sched.c (bb_note): Move to...
1870 * cfgrtl.c: ...here.
1871 * function.c (next_block_for_reg): New function.
1872 (move_insn_for_shrink_wrap): Likewise.
1873 (prepare_shrink_wrap): Rewrite to use the above.
1875 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1877 * gimple.c (is_gimple_non_addressable): Remove.
1878 * gimple.h: Remove is_gimple_non_addressable.
1879 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1880 is_gimple_non_addressable.
1881 * trans-mem.c (expand_assign_tm): Same.
1883 2012-01-09 Richard Guenther <rguenther@suse.de>
1885 PR tree-optimization/51775
1886 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1887 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1889 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1891 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1893 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1895 2012-01-09 Richard Guenther <rguenther@suse.de>
1897 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1899 2012-01-08 Jan Hubicka <jh@suse.cz>
1901 PR tree-optimize/51680
1902 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1903 on when known_vals needs to be computed; cleanup.
1905 2012-01-08 Jan Hubicka <jh@suse.cz>
1907 PR tree-optimize/51694
1908 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1910 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1912 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1913 for -std=c++98 and -std=c++11 too.
1915 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1917 * cfgloop.c (cancel_loop): Add free() of bbs array.
1919 2012-01-07 Jan Hubicka <jh@suse.cz>
1921 PR tree-optimization/51600
1922 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1923 that benefits small functions.
1925 2012-01-07 Jan Hubicka <jh@suse.cz>
1927 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1929 2012-01-07 Jan Hubicka <jh@suse.cz>
1931 PR tree-optimization/51680
1932 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1933 whose inlining reduce unit size.
1935 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1938 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1939 Add canonical node to containing_mem chain after the non-canonical
1940 one, even if there weren't any locs to propagate.
1941 (remove_useless_values): Keep only canonical values.
1942 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1943 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1944 canonicalize mem_chain elements that are not discarded.
1946 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1949 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1950 before emitting functions.
1952 PR gcov-profile/50127
1953 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1954 clear_aux_for_blocks.
1956 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1959 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1961 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1963 * c-decl.c (ext_block): Moved up.
1964 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1966 2012-01-06 Han Shen <shenhan@google.com>
1968 Translate built-in include paths for sysroot.
1969 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1970 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1972 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1973 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1975 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1976 control whether sysroot should be prepended to gxx include dir.
1978 * configure: Regenerate.
1980 2012-01-06 Torvald Riegel <triegel@redhat.com>
1982 PR rtl-optimization/51771
1983 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1984 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1986 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1988 PR tree-optimization/51315
1989 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1990 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1992 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1995 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1996 for shrp pattern. Correctly handle and fixup shift variable.
1997 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1999 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2002 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2003 note when !ACCUMULATE_OUTGOING_ARGS.
2005 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2007 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2009 (extract_range_from_unary_expr_1): Avoid useless computations.
2011 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2013 PR rtl-optimization/51767
2014 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2015 of jump_block and add an extra edge for degenerated asm gotos.
2018 * stmt.c (check_unique_operand_names): Don't ICE during error
2019 reporting if i is from labels chain.
2022 * profile.c (branch_prob): Split bbs that have exit edge
2023 and need a fake entry edge too.
2025 2012-01-05 Jan Hubicka <jh@suse.cz>
2028 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2031 2012-01-05 Richard Guenther <rguenther@suse.de>
2034 * tree-streamer-out.c (write_ts_optimization): New function.
2035 (streamer_write_tree_body): Call it.
2036 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2037 (streamer_read_tree_body): Call it.
2038 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2040 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2043 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2044 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2045 in_cleanup_point_expr before gimplify_stmt call and restore it
2047 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2048 in_cleanup_point_expr is false.
2050 2012-01-05 Richard Guenther <rguenther@suse.de>
2053 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2055 * toplev.c (process_options): Reject combining mudflap and LTO.
2056 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2058 2012-01-05 Richard Guenther <rguenther@suse.de>
2060 PR tree-optimization/51760
2061 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2063 (bit_value_unop): Handle UNDEFINED operands.
2064 (bit_value_binop): Likewise.
2066 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2068 * config/avr/avr.c (avr_replace_prefix): Remove.
2069 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2070 (avr_asm_function_rodata_section): Ditto.
2071 (avr_asm_select_section): Ditto.
2073 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2075 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2078 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2081 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2082 calls that have any non-fake successor edges.
2085 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2087 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2089 PR tree-optimization/51624
2090 * tree-sra.c (build_ref_for_model): When replicating a chain of
2091 COMPONENT_REFs, stop as soon as the offset would become negative.
2093 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2096 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2097 in .debug_loc on the floor.
2099 2012-01-04 Andrew Pinski <apinski@cavium.com>
2101 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2103 2012-01-04 Andrew Pinski <apinski@cavium.com>
2104 Adam Nemet <anemet@caviumnetworks.com>
2106 * config/mips/mips.md (size): Add SI and DI.
2107 (SIZE): New mode attribute.
2108 (U): New code attribute.
2109 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2110 (mips_lbux_<mode>): Delete.
2111 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2112 (mips_lhx): Use gen_mips_lhx_extsi.
2113 (mips_lhx_<mode>): Delete.
2115 (mips_l<size>x): New expand.
2116 (mips_lwx_<mode>): Delete.
2117 (mips_l<GPR:size>x_<P:mode>): New pattern.
2118 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2119 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2120 * config/mips/mips.c (mips_lx_address_p): New function.
2121 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2122 (dsp64): New availability predicate.
2123 (mips_builtins): Add an entry for __builtin_mips_ldx.
2124 * config/mips/mips.h (ISA_HAS_LBX): New define.
2125 (ISA_HAS_LBUX): Likewise.
2126 (ISA_HAS_LHX): Likewise.
2127 (ISA_HAS_LHUX): Likewise.
2128 (ISA_HAS_LWX): Likewise.
2129 (ISA_HAS_LWUX): Likewise.
2130 (ISA_HAS_LDX): Likewise.
2131 * doc/extend.texi (__builtin_mips_ldx): Document.
2133 2012-01-04 Tristan Gingold <gingold@adacore.com>
2135 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2136 when long pointers are used.
2137 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2138 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2139 (ia64-hp-*vms*): Remove.
2140 * config/vms/xm-vms64.h: Delete.
2142 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2145 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2147 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2149 * opts.c (finish_options): Remove duplicate sorry.
2151 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2154 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2157 2012-01-04 Richard Guenther <rguenther@suse.de>
2160 * tree.c (size_low_cst): New function.
2161 * tree.h (size_low_cst): Declare.
2162 * fold-const.c (fold_comparison): Use it to extract the low
2163 part of the POINTER_PLUS_EXPR offset.
2165 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2167 Fix clearing ZERO_REG
2168 * config/avr/avr.md (cc): Add alternative "ldi".
2169 (movqi_insn): Use it in cc attribute.
2170 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2171 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2172 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2174 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2176 * configure: Regenerate.
2178 2012-01-04 Richard Guenther <rguenther@suse.de>
2180 PR tree-optimization/49651
2181 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2182 (var_can_have_subvars): Use it.
2183 (get_constraint_for_1): Only consider subfields if there can be any.
2185 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2188 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2189 to its new canonical_cselib_val and the cselib_val was in
2190 first_containing_mem chain, but the canonical_cselib_val was not,
2191 add the latter into the chain.
2192 (cselib_invalidate_mem): Compare canonical_cselib_val of
2193 addr_list chain elt with v.
2196 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2197 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2199 (output_macinfo_op): Don't ggc_strdup fd->filename.
2200 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2201 then ggc_strdup it. Don't free inc->info or cur->info.
2202 (output_macinfo): Don't free ref->info or file->info.
2204 2012-01-03 Ira Rosen <irar@il.ibm.com>
2206 PR tree-optimization/51269
2207 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2208 first_niters a pointer.
2209 (slpeel_tree_peel_loop_to_edge): Likewise.
2210 (vect_do_peeling_for_loop_bound): Update call to
2211 slpeel_tree_peel_loop_to_edge.
2212 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2213 here. Remove it from the parameters list.
2214 (vect_do_peeling_for_alignment): Update calls and compute
2217 2012-01-03 Richard Guenther <rguenther@suse.de>
2219 PR tree-optimization/51070
2220 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2221 Properly handle calls.
2223 2012-01-03 Richard Guenther <rguenther@suse.de>
2225 PR tree-optimization/51692
2226 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2227 the LHS of allocation stmts.
2229 2012-01-03 Olivier Hainque <hainque@adacore.com>
2231 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2233 2012-01-03 Olivier Hainque <hainque@adacore.com>
2235 * collect2.c (main): In AIX specific computations for vector
2236 insertions, use CONST_CAST2 to cast from char ** to const char **.
2238 2012-01-03 Richard Guenther <rguenther@suse.de>
2241 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2242 the context of a limbo DIE when it does not already exist.
2244 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2246 PR tree-optimization/51719
2247 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2248 but direct call is, clear direct call's lhs and don't add fallthrough
2249 edge from dcall_bb to join_bb and PHIs.
2251 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2253 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2254 the instructions emitted by the pattern.
2255 ("*TDC_insn_<mode>"): Add comment.
2257 2012-01-03 Richard Guenther <rguenther@suse.de>
2260 * fold-const.c (fold_comparison): Properly canonicalize
2261 tree offset and HOST_WIDE_INT bit position.
2263 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2265 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2266 operands for extzv pattern.
2268 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2271 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2274 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2276 * doc/invoke.texi (-flto and related options): Copy-edit.
2278 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2280 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2282 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2284 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2287 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2289 * expr.h (move_by_pieces_ninsns): Declare.
2290 * expr.c (move_by_pieces_ninsns): Make external.
2291 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2292 (mips_store_by_pieces_p): Likewise.
2293 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2294 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2295 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2296 (mips_store_by_pieces_p): Likewise.
2298 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2300 * passes.c (register_one_dump_file): Free full_name.
2302 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2303 (calculate_elim_costs_all_insns): Free offsets_at and
2304 offsets_known_at at the end and clear the pointers.
2306 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2308 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2309 this option introduced in r180739.
2311 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2314 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2315 (tmake_file target=avr): Add avr/t-multilib.
2317 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2318 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2319 * config/avr/genmultilib.awk: New file.
2320 * config/avr/t-multilib: New auto-generated file.
2321 * config/avr/multilib.h: New auto-generated file.
2322 * config/avr/t-avr (AVR_MCUS): New variable.
2323 (genopt.sh): Use it.
2324 (s-mlib): Depend on t-multilib.
2325 (t-multilib, multilib.h): New dependencies.
2326 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2327 (MULTILIB_OPTIONS): Remove.
2328 (MULTILIB_MATCHES): Remove.
2329 (MULTILIB_DIRNAMES): Remove.
2330 (MULTILIB_EXCEPTIONS): Remove:
2331 * config/avr/genopt.sh: Don't use hard coded file name;
2332 pass AVR_MCUS from t-avr instead.
2334 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2336 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2338 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2340 Implement light-weight DImode support.
2341 * config/avr/avr-dimode.md: New file.
2342 * config/avr/avr.md: Include it.
2343 (adjust_len): Add plus64, compare64.
2344 (HIDI): Remove code iterator.
2345 (code_stdname): New code attribute.
2346 (rotx, rotsmode): Remove DI.
2347 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2349 * config/avr/avr-protos.h (avr_have_dimode): New.
2350 (avr_out_plus64, avr_out_compare64): New.
2351 * config/avr/avr.c (avr_out_compare): Handle DImode.
2352 (avr_have_dimode): New variable definition and initialization.
2353 (avr_out_compare64, avr_out_plus64): New functions.
2354 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2355 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2356 (avr_compare_pattern): Skip DImode comparisons.
2358 2012-01-02 Revital Eres <revital.eres@linaro.org>
2360 * ddg.c (def_has_ccmode_p): New function.
2361 (add_cross_iteration_register_deps,
2362 create_ddg_dep_from_intra_loop_link): Call it.
2364 2012-01-02 Richard Guenther <rguenther@suse.de>
2367 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2369 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2371 * gcc.c (process_command): Update copyright notice dates.
2372 * gcov.c (print_version): Likewise.
2373 * gcov-dump.c (print_version): Likewise.
2374 * mips-tfile.c (main): Likewise.
2375 * mips-tdump.c (main): Likewise.
2377 2012-01-01 Ira Rosen <irar@il.ibm.com>
2379 PR tree-optimization/51704
2380 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2381 a use is inside the basic block or loop before accessing its vect info.
2383 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2385 PR rtl-optimization/51069
2386 * cfgloopmanip.c (remove_path): Removing path making irreducible
2387 region unconditional makes BB part of the region.
2389 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2391 PR tree-optimization/51683
2392 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2393 calls with side-effects.
2394 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2396 Copyright (C) 2012 Free Software Foundation, Inc.
2398 Copying and distribution of this file, with or without modification,
2399 are permitted in any medium without royalty provided the copyright
2400 notice and this notice are preserved.
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