1 2012-05-18 Olivier Hainque <hainque@adacore.com>
3 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
4 $(libsubdir) as libexecsubdir.
6 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
9 relied on signed overflow behavior.
11 2012-05-18 Richard Guenther <rguenther@suse.de>
13 PR tree-optimization/53346
14 * tree-loop-distribution.c (ldist_gen): Make sure to apply
15 builtin transform even when only a single partition with
16 all reads/writes exists.
18 2012-05-18 Richard Guenther <rguenther@suse.de>
20 PR tree-optimization/53390
21 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Ignore
24 2012-05-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
26 * tree-ssa-reassoc.c (bip_map): Remove decl.
27 (completely_remove_stmt): Remove function.
28 (remove_def_if_absorbed_call): Remove function.
29 (remove_visited_stmt_chain): Remove __builtin_powi handling.
30 (possibly_move_powi): Remove function.
31 (rewrite_expr_tree): Remove calls to possibly_move_powi.
32 (rewrite_expr_tree_parallel): Likewise.
33 (attempt_builtin_powi): Build multiplies explicitly rather than
34 relying on the ops vector and rank system.
35 (transform_stmt_to_copy): New function.
36 (transform_stmt_to_multiply): Likewise.
37 (reassociate_bb): Handle leftover operations after __builtin_powi
38 optimization; build a final multiply if necessary.
40 2012-05-18 Jan Hubicka <jh@suse.cz>
42 * cgraphunit.c (varpool_finalize_decl): Allow external decls.
43 (mark_functions_to_output): Fix sanity check.
44 * ipa.c (function_and_variable_visibility): Remove TREE_STATIC
47 2012-05-18 Richard Guenther <rguenther@suse.de>
49 * tree-flow.h (mark_symbols_for_renaming): Remove.
50 * tree-dfa.c (mark_symbols_for_renaming): Likewise.
51 * tree-inline.c (copy_edges_for_bb): Do not mark symbols for
53 (copy_debug_stmt): Likewise.
54 (expand_call_inline): Likewise.
55 (declare_return_variable): Mark the return variable for renaming
58 2012-05-18 Andrew Stubbs <ams@codesourcery.com>
60 * config/arm/arm-protos.h (arm_emit_coreregs_64bit_shift): New
62 * config/arm/arm.c (arm_emit_coreregs_64bit_shift): New function.
63 * config/arm/arm.md (ashldi3): Use arm_emit_coreregs_64bit_shift.
64 (ashrdi3,lshrdi3): Likewise.
65 (arm_cond_branch): Remove '*' to enable gen_arm_cond_branch.
67 2012-05-18 Meador Inge <meadori@codesourcery.com>
69 PR rtl-optimization/53352
70 * cse.c (equiv_constant): Ignore paradoxical subregs.
72 2012-05-17 Steven Bosscher <steven@gcc.gnu.org>
74 PR rtl-optimization/53125
75 * regstat.c (regstat_bb_compute_ri): Take new local_live_last_luid
76 argument. Simplify calculation of REG_LIVE_LENGTH for regnos that
77 die in the basic block. Correctly top off REG_FREQ and
78 REG_FREQ_CALLS_CROSSED.
80 (regstat_compute_ri): Allocate and free local_live_last_luid.
82 (regstat_bb_compute_calls_crossed): Correctly top off
83 REG_FREQ_CALLS_CROSSED.
85 2012-05-17 Jan Hubicka <jh@suse.cz>
87 * lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with constructor
89 * cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
90 * cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
91 * cgraphunit.c (process_function_and_variable_attributes): Finalize
93 (mark_functions_to_output): Also accept bodies for functions with clones.
94 (output_in_order): Skip external vars.
95 * lto-cgraph.c (lto_output_node): External functions are never in other
97 (lto_output_varpool_node): Likewise.
98 * lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
99 forgotten initializers.
100 * ipa.c (process_references): Handle external vars.
101 (symtab_remove_unreachable_nodes): Update to handle external vars.
102 (varpool_externally_visible_p): External vars are externally visible.
103 * gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
104 * varpool.c (varpool_remove_node): Remove constructor.
105 (decide_is_variable_needed): Handle externals.
106 (varpool_remove_unreferenced_decls): Likewise.
108 2012-05-17 Manuel López-Ibáñez <manu@gcc.gnu.org>
110 * opts.c (common_handle_option): -pedantic-errors enables -Wpedantic.
111 (enable_warning_as_error): Do not special case Wuninitialized.
112 * optc-gen.awk: Add sanity checks.
114 2012-05-17 Jan Hubicka <jh@suse.cz>
116 * ipa-reference.c (is_proper_for_analysis): Do not check flags
117 that might change as result of global optimization.
118 (analyze_function): Do not check analyzed and externally_visible
119 flags; be happy about address dereferences.
120 (propagate): Prune all_module_statics so it really contains just
121 statics; prune all the local summaries.
122 (ipa_reference_write_optimization_summary): Simplify.
124 2012-05-17 Kwok Cheung Yeung <kcy@codesourcery.com>
126 * config/m68k/m68k-devices.def: Add 51ag, 51je, 51jf, 51jg, 51mm,
128 * config/m68k/m68k-tables.opt: Regenerated.
129 * doc/invoke.texi (M680x0 Options): Document.
131 2012-05-16 Dave Boutcher <daveboutcher@gmail.com>
132 Patrick Marlier <patrick.marlier@gmail.com>
134 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
137 2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
139 * configure: Regenerated.
141 2012-05-16 Andrew Pinski <apinski@cavium.com>
143 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
146 2012-05-16 David S. Miller <davem@davemloft.net>
148 * jump.c (delete_related_insns): If we remove a CALL, make sure
149 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
151 2012-05-16 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
153 PR tree-optimization/53217
154 * tree-ssa-reassoc.c (bip_map): New static variable.
155 (possibly_move_powi): Move feeding multiplies with __builtin_powi call.
156 (attempt_builtin_powi): Save feeding multiplies on a stack.
157 (reassociate_bb): Create and destroy bip_map.
159 2012-05-16 Olivier Hainque <hainque@adacore.com>
161 * Makefile.in (install-no-fixedincludes): New target, former toplevel
162 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
163 Add comments and improve stamp preservation across the whole sequence.
164 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
166 2012-05-16 Richard Guenther <rguenther@suse.de>
168 * tree-inline.c (insert_init_stmt): Do not call
169 mark_symbols_for_renaming.
170 (setup_one_parameter): Avoid initializing unused parameters.
171 (declare_return_variable): Properly handle DECL_BY_REFERENCE
172 return vars in SSA form.
174 2012-05-16 Richard Guenther <rguenther@suse.de>
176 * tree-flow.h (get_virtual_var): Remove.
177 * tree-dfa.c (get_virtual_var): Likewise.
179 2012-05-16 Richard Guenther <rguenther@suse.de>
181 * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
182 Remove set-only bitmap of new names.
183 (slpeel_tree_peel_loop_to_edge): Likewise. Do not set
185 * tree-flow.h (ssa_names_to_replace): Remove.
186 * tree-into-ssa.c (ssa_names_to_replace): Likewise.
188 2012-05-16 Richard Guenther <rguenther@suse.de>
190 PR tree-optimization/53364
191 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
192 detect a view-conversion of the decl.
194 2012-05-16 Dodji Seketeli <dodji@redhat.com>
197 * c-tree.h (enum c_declspec_word): Declare new enum.
198 (struct c_declspecs::locations): New member.
199 (declspecs_add_qual, declspecs_add_scspec)
200 (declspecs_add_addrspace, declspecs_add_alignas): Take a new
202 * c-decl.c (build_null_declspecs): Initialize the new struct
203 c_declspecs::locations member.
204 (declspecs_add_addrspace): Take a location parameter for the
205 address space. Store it onto declaration specifiers.
206 (declspecs_add_qual): Likewise, take a location parameter for the
208 (declspecs_add_type): Likewise, take a location parameter for the
210 (declspecs_add_scspec): Likewise, take a location parameter for
211 the storage class specifier.
212 (declspecs_add_attrs): Likewise, take a location parameter for the
214 (declspecs_add_alignas): Likewise, take a location parameter for
216 (finish_declspecs): For diagnostics, use the location of the
217 relevant declspec, instead of the global input_location.
218 * c-parser.c (c_parser_parameter_declaration): Pass the precise
219 virtual location of the declspec to the declspecs-setters.
220 (c_parser_declspecs): Likewise. Avoid calling c_parser_peek_token
223 2012-05-16 Igor Zamyatin <igor.zamyatin@intel.com>
225 * configure.ac: Stack protector enabling for Android targets.
226 * configure: Regenerate.
228 2012-05-16 Richard Sandiford <r.sandiford@uk.ibm.com>
230 * ira.c (pseudo_move_insn): Delete.
231 (find_moveable_pseudos): Don't set it.
232 (move_unallocated_pseudos): Use DF_REG_DEF_CHAIN to find
233 the definitions of the original pseudo. Delete all of them.
235 2012-05-16 Olivier Hainque <hainque@adacore.com>
237 * config/rs6000/rs6000-opts.h (enum processor_type): Add
239 * config/rs6000/rs6000-cpus.def: Reference it for cpu="8548".
240 * config/rs6000/rs6000.md (cpu attribute definition): Add ppc8548.
241 * config/rs6000/8540.md: indicate that the units/patterns apply to
244 * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
245 default_cpu into implicit_cpu, conveying what --with-cpu was passed at
246 configure time. Treat implicit_cpu as have_CPU. Pick defaults for SPE
247 related flags, check that what is queried is supported by the selected
248 configuration. Rework the single/double_float and MASK_STRING resets to
249 hit for all the E500 cores (854x + E500MC variants). Select the ppc8540
250 costs for PROCESSOR_PPC8548 as well.
251 (rs6000_issue_rate): case CPU_PPC8548 together with CPU_PPC8540.
252 (rs6000_use_sched_lookahead): Likewise, rewriting function as a case
253 statement instead of a sequence of ifs.
255 * config/rs6000/rs6000.h (TARGET_E500): Remove.
256 (TARGET_NO_LWSYNC): Adjust accordingly.
257 * config/rs6000/e500.h (TARGET_E500): Remove.
258 (CHECK_E500_OPTIONS): Adjust accordingly.
259 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove.
260 (TARGET_DEFAULT): Reformat definition to match the one in linuxspe.h.
261 * config/rs6000/linuxspe.h: Likewise.
262 * config/rs6000/vxworks.h: Remove bogus TARGET_E500 overrides and
263 superfluous comments.
264 * config/rs6000/e500-double.h: Remove.
266 * config.gcc (pick a default with_cpu): For powerpc*-*-*spe*,
267 default to with_cpu=8548 if --enable-e500-double, and to 8540
269 (set misc flags section): For powerpc*|rs6000*, remove inclusion
270 of e500-double.h for --enable-e500-double.
272 2012-05-16 Olivier Hainque <hainque@adacore.com>
274 * Makefile.in (s-header-vars): Resort to -n instead of trailing
275 -e d in sed invocation.
277 2012-05-16 Hans-Peter Nilsson <hp@axis.com>
279 * doc/tm.texi.in (Type Layout) <SIZE_TYPE>: Update reference to
281 * doc/tm.texi: Regenerate.
283 2012-05-15 Paolo Carlini <paolo.carlini@oracle.com>
285 * tree.h (EXPR_LOCATION): Use CAN_HAVE_LOCATION_P.
287 2012-05-15 Jakub Jelinek <jakub@redhat.com>
290 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
291 that operands[2] is either immediate, or q_regs_operand.
293 2012-05-15 Richard Guenther <rguenther@suse.de>
295 * cgraphunit.c (thunk_adjust): Use make_rename_temp.
296 (assemble_thunk): Likewise. Manually rename and register
299 2012-05-15 Richard Guenther <rguenther@suse.de>
301 PR tree-optimization/53355
302 * tree-vrp.c (extract_range_from_binary_expr_1): Handle LSHIFT_EXPRs
305 2012-05-15 Tristan Gingold <gingold@adacore.com>
307 * tree-ssa-strlen.c (get_string_length): Convert lhs if needed.
309 2012-05-15 Richard Guenther <rguenther@suse.de>
311 * gimple.c (gimple_set_modified): Move ...
312 * gimple.h (gimple_set_modified): ... here.
314 2012-05-15 Tristan Gingold <gingold@adacore.com>
316 * ira-color.c (move_spill_restore): Add a guard.
318 2012-05-15 Tristan Gingold <gingold@adacore.com>
320 * config/ia64/ia64.c (ia64_emit_probe_stack_range): Adjust calls to
323 2012-05-15 Eric Botcazou <ebotcazou@adacore.com>
325 * gimplify.c (gimplify_init_constructor): Do a block move for very
326 small objects as well.
328 2012-05-15 Bernd Schmidt <bernds@codesourcery.com>
330 * ira.c (find_moveable_pseudos): Skip registers whose
331 DF_REG_EQ_USE_COUNT is nonzero.
333 2012-05-15 Kenneth Zadeck <zadeck@naturalbridge.com>
335 * doc/md.texi (fma): Define to only be applicable for single
338 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
341 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
342 generate target register for "load" class builtins.
345 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
348 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
349 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
350 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
351 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
352 (<sse>_movu<ssemodesuffix>): New expander.
353 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
354 (avx_movdqu<avxmodesuffix>): New expander.
355 (*sse2_movdqu): Rename from sse2_movdqu.
356 (sse2_movdqu): New expander.
358 2012-05-14 Marc Glisse <marc.glisse@inria.fr>
361 * config/i386/i386.c (ix86_expand_vec_perm_const): Move code to ...
362 (canonicalize_perm): ... new function.
363 (expand_vec_perm_2vperm2f128_vshuf): New function.
364 (ix86_expand_vec_perm_const_1): Call it.
366 2012-05-14 Andrew Pinski <apinski@cavium.com>
367 H.J. Lu <hongjiu.lu@intel.com>
368 Jakub Jelinek <jakub@redhat.com>
371 * config/i386/i386.md (xbegin_1): Use + in constraint and match_dup.
374 2012-05-14 Jakub Jelinek <jakub@redhat.com>
376 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
377 lineno 1 the same as lineno 0 before first start file directive.
378 (optimize_macinfo_range): Likewise.
380 * dwarf2out.c (have_macinfo): Define.
381 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
382 attribute, don't force empty compilation unit and don't emit any
383 .debug_macinfo/.debug_macro section if macinfo_table is empty.
385 2012-05-14 Georg-Johann Lay <avr@gjlay.de>
388 * config/avr/avr.c (avr_const_address_lo16): Remove.
389 (avr_assemble_integer): Print ".byte lo8(x)",
390 ".byte hi8(x)", ".byte hh8(x)" instead of emit an assembler
391 .warning if 3-byte address is assembled.
392 * doc/extend.texi (AVR Named Address Spaces): Document that
393 binutils 2.23 is needed to assemble 3-byte addresses.
395 2012-05-14 Richard Guenther <rguenther@suse.de>
397 * tree-vect-data-refs.c (vect_setup_realignment): Remove
398 call to mark_symbols_for_renaming.
399 (vect_permute_load_chain): Likewise.
400 * tree-vect-loop.c (vect_is_slp_reduction): Update stmt
401 instead of calling mark_symbols_for_renaming.
402 * tree-vect-stmts.c (read_vector_array): Remove call to
403 mark_symbols_for_renaming.
404 (write_vector_array): Likewise.
405 (vectorizable_call): Likewise.
406 (vectorizable_store): Likewise.
407 (vectorizable_load): Likewise.
408 * matrix-reorg.c (transform_allocation_sites): Likewise.
409 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
410 (create_expression_by_pieces): Likewise.
412 2012-05-14 Richard Guenther <rguenther@suse.de>
414 * gimplify.c (gimple_regimplify_operands): Only mark the LHS
415 of statements for renaming.
416 (force_gimple_operand_1): Likewise, consistently for both
417 calls to force_gimple_operand and force_gimple_operand_gsi.
419 2012-05-14 Richard Guenther <rguenther@suse.de>
421 * tree-dfa.c (make_rename_temp): Be forgiving if not in SSA form.
422 * omp-low.c (expand_omp_taskreg): Properly conditionalize call
424 (expand_omp_for): Likewise.
425 (expand_omp_for_generic): Adjust conditional add to referenced vars.
426 Use make_rename_temp for temporaries that should be rewritten into
428 (expand_omp_for_static_nochunk): Likewise.
429 (expand_omp_atomic_pipeline): Likewise.
431 2012-05-14 Richard Guenther <rguenther@suse.de>
433 PR tree-optimization/53331
434 * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Ignore
436 * tree-vect-stmts.c (vect_model_load_cost): Handle strided loads.
438 2012-05-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
441 * doc/options.texi: (LangEnabledBy): Document it.
442 * optc-gen.awk: Handle LangEnabledBy.
443 * opth-gen.awk: Generate declaration for lang-specific functions.
444 * opt-read.awk: Record lang numbers.
445 * opt-functions.awk (flag_set_p): Ignore the arguments of flags.
446 (lang_sanitized_name): New.
448 2012-05-14 Bernd Schmidt <bernds@codesourcery.com>
450 * attribs.c (decl_attributes): Avoid emitting a warning if
452 * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
453 codes. Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
454 * builtin-attrs.def (DEF_ATTR_FOR_STRING): Define. Use it to
456 (ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
457 * builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
458 BUILT_IN_STRCPY): Use it for these functions.
459 * postreload.c (reload_combine): Deal with SETs inside
460 CALL_INSN_FUNCTION_USAGE.
461 * caller-save.c (setup_save_areas, save_call_clobbered_regs):
462 Look for REG_RETURNED notes and use a cheap restore if possible.
463 * ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
464 (ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
465 * ira-build.c (ira_create_allocno, create_cap_allocno,
466 propagate_allocno_info, propagate_some_info_from_allocno,
467 copy_info_to_removed_store_destination, ira_flattening): Handle it.
468 * ira-lives.c (pseudo_regno_single_word_and_live_p,
469 find_call_crossed_cheap_reg): New static functions.
470 (process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
471 and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible. Also make
472 a REG_RETURNED note in that case.
473 * ira.c (setup_reg_renumber): Change assert to allow cases where
474 allocnos only cross calls for which they are cheap to restore.
475 * ira-costs.c (ira_tune_allocno_costs): Compare
476 ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
478 * reg-notes.def (REG_RETURNED): New note.
479 * cse.c (cse_insn): Likewise.
480 * sched-deps.c (sched_analyze_insn): Likewise.
481 * expr.c (init_block_move_fn): Set a "fn spec" attribute.
482 * calls.c (decl_return_flags): New static function.
483 (expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
484 functions that return one of their arguments.
485 * regcprop.c (struct kill_set_value_data): New.
486 (kill_set_value): Interpret data as a pointer to such a struct.
487 Do nothing if the caller wants the register to be ignored.
488 (copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
490 2012-05-14 Richard Guenther <rguenther@suse.de>
492 PR tree-optimization/53340
493 * tree-ssa-pre.c (op_valid_in_sets): Fix error in last commit.
495 2012-05-14 Richard Guenther <rguenther@suse.de>
497 * gimplify.c (gimplify_expr): Remove odd code.
499 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
501 * stor-layout.c (bit_from_pos): Distribute conversion to bitsizetype
502 into a PLUS_EXPR byte offset.
504 * tree-ssa-pre.c (can_value_number_call): Delete.
505 (compute_avail): Skip all statements with side effects.
506 <GIMPLE_CALL>: Skip calls to internal functions.
508 2012-05-13 Steven Bosscher <steven@gcc.gnu.org>
510 * config/pa/pa.md: Use define_c_enum for "unspec" and "unspecv".
512 2012-05-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
514 * common.opt (Wtype-limits): Use EnabledBy.
516 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
518 * config/i386/i386.md (*pushtf): Enable for TARGET_SSE.
519 (pushtf splitter): Ditto.
521 (*movtf_internal): Ditto. Use V4SFmode for !TARGET_SSE2.
522 (<code>tf2): Enable for TARGET_SSE.
523 (*absnegtf2_sse): Ditto.
524 (copysign<mode>3): Enable TFmode for TARGET_SSE.
525 (copysign<mode>3_const): Ditto.
526 (copysign<mode>3_var): Ditto.
527 * config/i386/sse.md (<code>tf3): Enable for TARGET_SSE.
528 (*andnottf3): Ditto. Use V4SFmode for !TARGET_SSE2.
530 * config/i386/i386.c (struct builtin_description bdesc_args)
531 <IX86_BUILTIN_FABSQ>: Enable for TARGET_SSE.
532 <IX86_BUILTIN_COPYSIGNQ>: Ditto.
533 (ix86_expand_builtin) <IX86_BUILTIN_FABSQ, IX86_BUILTIN_COPYSIGNQ>:
534 Emit a normal call if SSE isn't available.
536 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
538 * config/i386/sse.md (<sse>_andnot<mode>3): Handle
539 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
540 (<code><mode>3): Ditto.
541 (*andnot<mode>3): Ditto.
543 (*<code><mode>3): Ditto.
546 2012-05-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
548 * optc-gen.awk: Error instead of warning for conflicting help.
550 2012-05-12 Jason Merrill <jason@redhat.com>
553 * dwarf2out.c (build_local_stub): Prefer DW_AT_signature for
556 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
558 * function.c (requires_stack_frame_p): If the function can throw
559 non-call exceptions, return true if the insn can throw internally.
561 2012-05-12 Paolo Carlini <paolo.carlini@oracle.com>
563 * doc/generic.texi: Rename TYPE_PTRMEM_P to TYPE_PTRDATAMEM_P.
565 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
567 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
568 ORDERED and UNORDERED conditions.
570 2012-05-11 Richard Guenther <rguenther@suse.de>
572 * tree-flow.h (referenced_var_check_and_insert): Remove.
573 (find_new_referenced_vars): Likewise.
574 * tree-dfa.c (referenced_var_check_and_insert): Make static.
575 (find_new_referenced_vars_1, find_new_referenced_vars): Remove.
576 * tree-inline.c (copy_bb): Use find_referenced_vars_in
577 instead of find_new_referenced_vars.
578 * gimple-fold.c (gimplify_and_update_call_from_tree): Likewise.
580 2012-05-11 Richard Guenther <rguenther@suse.de>
582 * tree-pass.h (pass_rest_of_compilation,
583 pass_all_optimizations, pass_postreload, pass_all_early_optimizations):
585 * passes.c (pass_all_optimizations, pass_postreload,
586 pass_all_early_optimizations): Make static.
587 (pass_rest_of_compilation): Likewise. Make it an RTL_PASS.
588 * tree-phinodes.c (init_phinodes, fini_phinodes): Remove.
589 * tree-ssa.c (init_tree_ssa): Do not call init_phinodes.
590 (delete_tree_ssa): Do not call fini_phinodes.
591 * tree-flow.h (init_phinodes, fini_phinodes): Remove.
593 2012-05-11 Manuel López-Ibáñez <manu@gcc.gnu.org>
596 * doc/options.texi (EnabledBy): Document
597 * opts.c: Include opts.h and options.h before tm.h.
598 (finish_options): Do not handle some sub-options here...
599 (common_handle_option): ... instead call common_handle_option_auto here.
600 * optc-gen.awk: Handle EnabledBy.
601 * opth-gen.awk: Declare common_handle_option_auto.
602 * common.opt (Wuninitialized): Use EnabledBy. Delete Init.
603 (Wmaybe-uninitialized): Likewise.
604 (Wunused-but-set-variable): Likewise.
605 (Wunused-function): Likewise.
606 (Wunused-label): Likewise.
607 (Wunused-value): Likewise.
608 (Wunused-variable): Likewise.
609 * opt-read.awk: Create opt_numbers array.
611 2012-05-11 Richard Guenther <rguenther@suse.de>
613 PR tree-optimization/53295
614 * tree-data-ref.h (stride_of_unit_type_p): Handle non-constant
616 * tree-data-ref.c (dr_analyze_innermost): Allow non-constant
617 strides when analyzing data-references in a loop context.
618 * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Reject
619 non-constant strides for now.
620 (vect_enhance_data_refs_alignment): Ignore data references
621 that are strided loads.
622 (vect_analyze_data_ref_access): Handle non-constant strides.
623 (vect_check_strided_load): Verify the data-reference is a load.
624 (vect_analyze_data_refs): Restructure to make strided load
625 support not dependent on gather support.
626 * tree-vect-stmts.c (vectorizable_load): Avoid useless work
627 when doing strided or gather loads.
628 * tree-vect-loop-manip.c (vect_vfa_segment_size): Use
629 integer_zerop to compare stride with zero.
631 2012-05-11 H.J. Lu <hongjiu.lu@intel.com>
633 * config/i386/driver-i386.c (host_detect_local_cpu): Support RTM.
635 2012-05-11 Jan Hubicka <jh@suse.cz>
638 * varpool.c (varpool_assemble_decl): Also output constat pool entries
639 that output_constant_pool missed.
641 2012-05-11 Mingjie Xing <mingjie.xing@gmail.com>
643 * config/mips/t-vxworks: Change MUTLILIB_EXTRA_OPTS to
646 2012-05-11 Uros Bizjak <ubizjak@gmail.com>
649 * config/i386/i386.md (xtest): Use NE condition in ix86_expand_setcc.
651 2012-05-11 Uros Bizjak <ubizjak@gmail.com>
653 * config/i386/i386.md (*movti_internal_rex64): Avoid MOVAPS size
654 optimization for TARGET_AVX.
655 (*movti_internal_sse): Ditto.
656 (*movdi_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
657 (*movdi_internal): Ditto.
658 (*movsi_internal): Ditto.
659 (*movtf_internal): Avoid MOVAPS size optimization for TARGET_AVX.
660 (*movdf_internal_rex64): Ditto.
661 (*movfd_internal): Ditto.
662 (*movsf_internal): Ditto.
663 * config/i386/sse.md (mov<mode>): Handle TARGET_SSE_LOAD0_BY_PXOR.
665 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
667 * dwarf2out.c (add_byte_size_attribute) <RECORD_TYPE>: Handle variable
668 reference as size attribute.
670 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
671 Tristan Gingold <gingold@adacore.com>
673 * doc/md.texi (Standard Names): Document probe_stack_address.
674 * explow.c (emit_stack_probe): Handle probe_stack_address.
675 * config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
676 (UNSPECV_PROBE_STACK_RANGE): Likewise.
677 (probe_stack_address): New insn.
678 (probe_stack_range): Likewise.
679 * config/ia64/ia64.c: Include common/common-target.h.
680 (ia64_compute_frame_size): Mark r2 and r3 as used if static stack
682 (ia64_emit_probe_stack_range): New function.
683 (output_probe_stack_range): Likewise.
684 (ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
685 builtin stack checking is enabled.
686 (rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
687 and UNSPECV_PROBE_STACK_ADDRESS.
688 (unknown_for_bundling_p): New predicate.
689 (group_barrier_needed): Use important_for_bundling_p.
690 (ia64_dfa_new_cycle): Use unknown_for_bundling_p.
691 (issue_nops_and_insn): Likewise.
692 (bundling): Likewise.
693 (final_emit_insn_group_barriers): Likewise.
694 * config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
695 * config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
696 (STACK_CHECK_PROTECT): Likewise.
697 * config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
699 2012-05-10 Jan Hubicka <jh@suse.cz>
701 * ipa-inline.c (update_all_callee_keys): Remove.
702 (inline_small_functions): Simplify priority updating.
704 2012-05-10 Jan Hubicka <jh@suse.cz>
706 * ipa.c (symtab_remove_unreachable_nodes): Fix marking of clones.
708 2012-05-10 Jan Hubicka <jh@suse.cz>
710 * cgraph.h (cgraph_remove_unreachable_nodes): Rename to ...
711 (symtab_remove_unreachable_nodes): ... this one.
712 * ipa-cp.c (ipcp_driver): Do not remove unreachable nodes.
713 * cgraphunit.c (ipa_passes): Update.
714 * cgraphclones.c (cgraph_materialize_all_clones): Update.
715 * cgraph.c (cgraph_release_function_body): Only turn initial
716 into error mark when initial was previously set.
717 * ipa-inline.c (ipa_inline): Update.
718 * ipa.c: Include ipa-inline.h
719 (enqueue_cgraph_node, enqueue_varpool_node): Remove.
720 (enqueue_node): New function.
721 (process_references): Update.
722 (symtab_remove_unreachable_nodes): Cleanup.
723 * passes.c (execute_todo, execute_one_pass): Update.
725 2012-05-10 Vladimir Makarov <vmakarov@redhat.com>
727 PR rtl-optimization/53125
728 * ira.c (ira): Call find_moveable_pseudos and
729 move_unallocated_pseudos if only ira_conflicts_p is true.
731 2012-05-10 Uros Bizjak <ubizjak@gmail.com>
733 * config/i386/i386.md (*movoi_internal_avx): Handle
734 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.
735 (*movti_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
736 (*movti_internal_sse): Ditto.
737 (*movtf_internal): Ditto.
738 * config/i386/sse.md (ssePSmode): New mode attribute.
739 (*move<mode>_internal): Use ssePSmode.
740 (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Ditto.
741 (*<sse2>_movdqu<avxsizesuffix>): Ditto.
742 * config/i386/i386.c (standard_sse_constant_opcode): Do not handle
743 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL here.
745 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
747 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
748 DECL_ORIGINAL_TYPE if it is present.
750 2012-05-10 Nick Clifton <nickc@redhat.com>
753 * config/m32c/bitops.md (bset_qi): Change operand 2 from having
754 a "0" constraint to being a (match_dup 0).
756 2012-05-10 Richard Guenther <rguenther@suse.de>
758 * stor-layout.c (byte_from_pos): Amend comment.
760 2012-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
762 * doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
763 Document requirement to call in constructors.
765 * config/i386/i386.c: Update comments for i386-cpuinfo.c name change.
767 2012-05-10 Richard Guenther <rguenther@suse.de>
769 * tree.h (TYPE_IS_SIZETYPE): Remove.
770 * fold-const.c (int_const_binop_1): Remove TYPE_IS_SIZETYPE use.
771 (extract_muldiv_1): Likewise.
772 * gimple.c (gtc_visit): Likewise.
773 (gimple_types_compatible_p): Likewise.
774 (iterative_hash_canonical_type): Likewise.
775 (gimple_canonical_types_compatible_p): Likewise.
776 * gimplify.c (gimplify_one_sizepos): Likewise.
777 * print-tree.c (print_node): Likewise.
778 * stor-layout.c (initialize_sizetypes): Do not set TYPE_IS_SIZETYPE.
780 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
783 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
784 xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
785 (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
786 instead of xop_mulv2div2di3_low.
787 (xop_p<macs>dql): Fix vec_select selector.
788 (xop_p<macs>dqh): Ditto.
789 (xop_mulv2div2di3_low): Remove insn_and_split pattern.
790 (xop_mulv2div2di3_high): Ditto.
792 2012-05-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
795 * diagnostic.h (diagnostic_context): Add last_location.
796 * diagnostic.c (diagnostic_initialize): Initialize it.
797 (diagnostic_show_locus): Use it.
799 2012-05-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
801 * doc/extend.texi (Function Attributes): Point xref to section
804 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
806 * config/i386/i386.c (*movdf_internal_rex64): Remove
807 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
808 Calculate "mode" attribute according to
809 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
810 (*movdf_internal): Ditto.
812 2012-05-09 Uros Bizjak <ubizjak@gmail.com>
815 * config/i386/i386.c (ix86_expand_vector_move_misalign): Do not handle
816 128 bit vectors specially for TARGET_AVX. Emit sse2_movupd and
817 sse_movupd RTXes for TARGET_AVX, TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
818 or when optimizing for size.
819 * config/i386/sse.md (*mov<mode>_internal): Remove
820 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
821 Calculate "mode" attribute according to optimize_function_for_size_p
822 and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
823 (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Choose asm template
824 depending on the mode of the instruction. Calculate "mode" attribute
825 according to optimize_function_for_size_p, TARGET_SSE_TYPELESS_STORES
826 and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flags.
827 (*<sse2>_movdqu<avxsizesuffix>): Ditto.
829 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
832 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
833 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
834 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
835 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
836 (expand_prologue): Move initialization of cfun->machine->is_naked,
837 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
838 (avr_set_current_function): ...this new static function.
839 (TARGET_SET_CURRENT_FUNCTION): New define.
840 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
841 checking attributes of current_function_decl.
842 (avr_regs_to_save): Ditto.
843 (signal_function_p): Rename to avr_signal_function_p.
844 (interrupt_function_p): Rename to avr_interrupt_function_p.
846 * doc/extend.texi (Function Attributes): Better explanation of
847 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
850 2012-05-09 Michael Matz <matz@suse.de>
852 PR tree-optimization/53185
853 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Disable
854 peeling when we see strided loads.
856 2012-05-09 Matthias Klose <doko@ubuntu.com>
858 * gcc-ar.c (main): Don't check for execute bits for the plugin.
860 2012-05-09 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
862 * tree-ssa-loop-ivopts.c (add_autoinc_candidates, get_address_cost):
863 Replace use of HAVE_{POST/PRE}_{INCREMENT/DECREMENT} with
864 USE_{LOAD/STORE}_{PRE/POST}_{INCREMENT/DECREMENT} appropriately.
865 * config/arm/arm.h (ARM_AUTOINC_VALID_FOR_MODE_P): New.
866 (USE_LOAD_POST_INCREMENT): Define.
867 (USE_LOAD_PRE_INCREMENT): Define.
868 (USE_LOAD_POST_DECREMENT): Define.
869 (USE_LOAD_PRE_DECREMENT): Define.
870 (USE_STORE_PRE_DECREMENT): Define.
871 (USE_STORE_PRE_INCREMENT): Define.
872 (USE_STORE_POST_DECREMENT): Define.
873 (USE_STORE_POST_INCREMENT): Define.
874 (arm_auto_incmodes): Add enumeration.
875 * config/arm/arm-protos.h (arm_autoinc_modes_ok_p): Declare.
876 * config/arm/arm.c (arm_autoinc_modes_ok_p): Define.
878 2012-05-09 Jakub Jelinek <jakub@redhat.com>
880 PR tree-optimization/53226
881 * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Remove
882 prev and prev_initialized vars, gimple_set_plf (stmt, GF_PLF_1, false)
883 before processing it and gimple_set_plf (stmt, GF_PLF_1, true) if it
884 doesn't need to be revisited, look for earliest stmt with
885 !gimple_plf (stmt, GF_PLF_1) if something changed.
887 2012-05-09 Terry Guo <terry.guo@arm.com>
889 * genmultilib: Update copyright dates.
890 * doc/fragments.texi: Ditto.
892 2012-05-09 Terry Guo <terry.guo@arm.com>
894 * Makefile.in (s-mlib): Add new argument MULTILIB_REQUIRED.
895 * genmultilib (MULTILIB_REQUIRED): New.
896 * doc/fragments.texi: Document the MULTILIB_REQUIRED.
898 2012-05-09 Richard Guenther <rguenther@suse.de>
900 * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
901 (vect_do_peeling_for_loop_bound): Likewise.
902 (vect_do_peeling_for_alignment): Likewise.
903 * tree-vect-loop-manip.c (conservative_cost_threshold): Remove.
904 (vect_do_peeling_for_loop_bound): Get check_profitability and
905 threshold as parameters.
906 (vect_do_peeling_for_alignment): Likewise.
907 (vect_loop_versioning): Likewise.
908 * tree-vect-loop.c (vect_transform_loop): Compute check_profitability
909 and threshold here. Control where to put the check here.
911 2012-05-09 Richard Sandiford <rdsandiford@googlemail.com>
914 * dwarf2out.h (get_address_mode): Move declaration to...
916 * dwarf2out.c (get_address_mode): Move definition to...
917 * rtlanal.c: ...here.
918 * var-tracking.c (get_address_mode): Delete.
919 * combine.c (find_split_point): Use get_address_mode instead of
920 targetm.addr_space.address_mode.
921 * cselib.c (cselib_record_sets): Likewise.
922 * dse.c (canon_address, record_store): Likewise.
923 * emit-rtl.c (adjust_address_1, offset_address): Likewise.
924 * expr.c (move_by_pieces, emit_block_move_via_loop, store_by_pieces)
925 (store_by_pieces_1, expand_assignment, store_expr, store_constructor)
926 (expand_expr_real_1): Likewise.
927 * ifcvt.c (noce_try_cmove_arith): Likewise.
928 * optabs.c (maybe_legitimize_operand_same_code): Likewise.
929 * reload.c (find_reloads): Likewise.
930 * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
931 * sel-sched-dump.c (debug_mem_addr_value): Likewise.
933 2012-05-09 Maciej W. Rozycki <macro@codesourcery.com>
935 * config/mips/mips.c (mips16_gp_pseudo_reg): Remove line
936 information from the instruction produced.
938 2012-05-09 Richard Guenther <rguenther@suse.de>
940 * stor-layout.c (bit_from_pos): Document.
941 (byte_from_pos): Likewise. Optimize.
942 (pos_from_bit): Likewise.
943 (normalize_offset): Use pos_from_bit instead of replicating it.
945 2012-05-09 Alan Modra <amodra@gmail.com>
948 * config/rs6000/rs6000.c (gen_frame_set): New function.
949 (gen_frame_load, gen_frame_store): New functions.
950 (rs6000_savres_rtx): Use the above.
951 (rs6000_emit_epilogue, rs6000_emit_prologue): Here too.
952 Correct mode used for CR2 in save/restore_world patterns.
953 Don't emit instructions for eh_return frame unwind reg info.
955 2012-05-08 Jan Hubicka <jh@suse.cz>
957 * cgraphbuild.c (build_cgraph_edges): Do not finalize vars
959 * cgraph.h (varpool_can_remove_if_no_refs): Vars with VALUE_EXPR
961 * toplev.c (wrapup_global_declaration_2): Vars with VALUE_EXPR
963 (compile_file): Do not output variables.
964 * cgraphbuild.c (varpool_finalize_decl): When var is finalized late,
966 * langhooks.c: Include timevar.h
967 (write_global_declarations): Finalize compilation unit after wrapup;
968 set timevars correctly.
969 * passes.c (rest_of_decl_compilation): Decls with VALUE_EXPR needs
970 not to be added to varpool.
971 * varpool.c (varpool_assemble_decl): Sanity check that we are called
972 only on cases where it makes sense; skip constant pool and value expr
975 2012-05-08 David S. Miller <davem@davemloft.net>
977 * config/sparc/linux.h (LINK_SPEC): Don't pass "-Y" option.
978 * config/sparc/linux64.h (LINK_ARCH32_SPEC): Likewise.
979 * config/sparc/linux64.h (LINK_ARCH64_SPEC): Likewise.
981 2012-05-08 Richard Sandiford <rdsandiford@googlemail.com>
983 PR rtl-optimization/53278
984 * lower-subreg.c (decompose_multiword_subregs): Remove left-over
985 speed_p code from earlier patch.
987 2012-05-08 Oleg Endo <olegendo@gcc.gnu.org>
990 * config/sh/sh.md (*branch_true, *branch_false): New insns.
992 2012-05-08 Teresa Johnson <tejohnson@google.com>
994 * gcov-io.h (__gcov_reset, __gcov_dump): Declare.
995 * doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
997 2012-05-08 Jan Hubicka <jh@suse.cz>
999 * cgraph.c (cgraph_call_edge_duplication_hooks): Export.
1000 (cgraph_create_node_1): Rename to ...
1001 (cgraph_create_empty_node): ... this one; export.
1002 (cgraph_create_node): Update.
1003 (cgraph_set_call_stmt_including_clones): Move to cgraphclones.c
1004 (cgraph_create_edge_including_clones): Likewise.
1005 (cgraph_find_replacement_node): Likewise.
1006 (cgraph_clone_edge): Likewise.
1007 (cgraph_clone_node): Likewise.
1008 (clone_function_name): Likewise.
1009 (cgraph_create_virtual_clone): Likewise.
1010 (cgraph_remove_node_and_inline_clones): Likewise.
1011 (cgraph_redirect_edge_call_stmt_to_callee): Move here from cgraphunit.c
1012 * cgraph.h: Reorder declarations so they match file of origin.
1013 (cgraph_create_empty_node): Declare.
1014 * cgraphunit.c (update_call_expr): Move to cgraphclones.c
1015 (cgraph_copy_node_for_versioning): Likewise.
1016 (cgraph_function_versioning): Likewise.
1017 (cgraph_materialize_clone): Likewise.
1018 (cgraph_redirect_edge_call_stmt_to_callee): Likewise.
1019 (cgraph_materialize_all_clones): Likewise.
1020 * cgraphclones.c: New file.
1021 * Makefile.in: Update for cgraphclones.
1023 2012-05-08 Uros Bizjak <ubizjak@gmail.com>
1026 * config/i386/i386.c (ix86_set_reg_reg_cost): New function.
1027 (ix86_rtx_costs): Handle SET.
1029 2012-05-08 Michael Matz <matz@suse.de>
1031 * basic-block.h (struct rtl_bb_info): Remove visited member and
1032 move head_ member to ...
1033 (struct basic_block_def.basic_block_il_dependent): ... the new
1034 member x, replacing but containing old member rtl.
1035 (enum bb_flags): New BB_VISITED flag.
1036 (BB_HEADER, BB_FOOTER): New macros.
1038 * jump.c (mark_all_labels): Adjust.
1039 * cfgcleanup.c (try_optimize_cfg): Adjust.
1040 * cfglayout.c (record_effective_endpoints): Adjust.
1041 (relink_block_chain): Ditto (and don't fiddle with visited).
1042 (fixup_reorder_chain): Adjust.
1043 (fixup_fallthru_exit_predecessor): Ditto.
1044 (cfg_layout_duplicate_bb): Ditto.
1045 * combine.c (update_cfg_for_uncondjump): Adjust.
1046 * bb-reorder.c (struct bbro_basic_block_data_def): Add visited member.
1047 (bb_visited_trace): New accessor.
1048 (mark_bb_visited): Move in front.
1049 (rotate_loop): Use bb_visited_trace.
1050 (find_traces_1_round): Ditto.
1051 (emit_barrier_after): Ditto.
1052 (copy_bb): Ditto, and initialize visited on resize.
1053 (reorder_basic_blocks): Initize visited member.
1054 (duplicate_computed_gotos): Clear bb flags at start, use
1057 * cfgrtl.c (try_redirect_by_replacing_jump): Adjust.
1058 (rtl_verify_flow_info_1): Ditto.
1059 (cfg_layout_split_block): Ditto.
1060 (cfg_layout_delete_block): Ditto.
1061 (cfg_layout_merge_blocks): Ditto.
1062 (init_rtl_bb_info): Adjust and initialize il.x.head_ member.
1064 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
1067 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1068 when a constant source operand matches an "I" constraint, the "no
1069 CC0 change" applies to a register-destination only, not a
1070 strict_low_part-destination.
1072 2012-05-08 Richard Guenther <rguenther@suse.de>
1074 * fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
1075 to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.
1077 2012-05-08 Georg-Johann Lay <avr@gjlay.de>
1079 * Makefile.in (TEXI_GCC_FILES): Add avr-mmcu.texi.
1081 * doc/avr-mmcu.texi: New auto-generated file.
1082 * doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
1083 to document all valid -mmcu= arguments.
1085 * config/avr/avr.h (arch_info_s): New struct definition.
1086 * config/avr/avr-devices.c (avr_texinfo): New variable.
1087 * config/avr/gen-avr-mmcu-texi.c: New file.
1088 * config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
1090 2012-05-08 Dehao Chen <dehao@google.com>
1092 * predict.c (find_qualified_ssa_name): New.
1093 (find_ssa_name_in_expr): New.
1094 (find_ssa_name_in_assign_stmt): New.
1095 (is_comparison_with_loop_invariant_p): New.
1096 (is_bound_expr_similar): New.
1097 (predict_iv_comparison): New.
1098 (predict_loops): Add heuristic for loop-nested branches that compare an
1099 induction variable to a loop bound variable.
1100 * predict.def (PRED_LOOP_IV_COMPARE): New macro.
1102 2012-05-08 Uros Bizjak <ubizjak@gmail.com>
1104 * config/i386/i386.c (has_dispatch): Use TARGET_BDVER1 and
1105 TARGET_BDVER2 defines where appropriate.
1107 2012-05-07 Eric Botcazou <ebotcazou@adacore.com>
1109 * configure.ac (PLUGIN_LD): Rename into...
1110 (PLUGIN_LD_SUFFIX): ...this and strip the target_alias triplet.
1111 * config.in: Regenerate.
1112 * configure: Likewise.
1113 * collect2.c (main): Set plugin_ld_suffix to PLUGIN_LD_SUFFIX.
1115 2012-05-07 Eric Botcazou <ebotcazou@adacore.com>
1117 * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
1118 computation using the precision of the index type.
1119 * gimple-fold.c (fold_const_aggregate_ref_1) <ARRAY_REF>: Likewise.
1120 (fold_array_ctor_reference): Do index computations in the index type.
1122 2012-05-07 Georg-Johann Lay <avr@gjlay.de>
1124 * config/avr/avr.c (avr_prologue_setup_frame): Fix mode passed
1125 down to plus_constant.
1126 (expand_epilogue): Ditto.
1128 2012-05-07 Steven Bosscher <steven@gcc.gnu.org>
1130 * postreload.c (reload_cse_regs): Make static.
1131 * reload.h (reload_cse_regs): Remove prototype.
1133 2012-05-07 Richard Henderson <rth@redhat.com>
1135 * config/alpha/alpha.md (clear_cache): New pattern.
1137 2012-05-07 Steven Bosscher <steven@gcc.gnu.org>
1140 * gimplify.c (preprocess_case_label_vec_for_gimple): If low or high
1141 is folded to a type boundary value, verify that the resulting case
1142 label is still a care range.
1144 2012-05-07 Uros Bizjak <ubizjak@gmail.com>
1146 * config/i386/i386.md (ctz<mode>2): Emit rep;bsf
1147 only for TARGET_GENERIC, when not optimizing for size.
1148 (*ffs<mode>_1): Ditto.
1150 2012-05-07 Steven Bosscher <steven@gcc.gnu.org>
1152 * tree-cfg.c (verify_gimple_switch): Tighten checks.
1154 2012-05-07 Jakub Jelinek <jakub@redhat.com>
1156 PR tree-optimization/53239
1157 * tree-vrp.c (get_value_range): Set VR of SSA_NAME_IS_DEFAULT_DEF
1158 of DECL_BY_REFERENCE RESULT_DECL to nonnull.
1160 2012-05-07 Richard Guenther <rguenther@suse.de>
1162 PR tree-optimization/53195
1163 * tree-inline.c (setup_one_parameter): Properly add referenced
1164 vars from the parameters new known value.
1166 2012-05-07 Steven Bosscher <steven@gcc.gnu.org>
1168 * config/m68k/m68k.c (m68k_sched_branch_type): Remove.
1169 (sched_branch_type): Remove.
1170 (m68k_sched_md_init_global): Don't allocate it.
1171 (m68k_sched_md_finish_global): Don't free it.
1172 * config/m68k/m68k.h (m68k_sched_branch_type): Remove prototype.
1173 * config/m68k/m68k.md: Set the type of insns using
1174 m68k_sched_branch_type to bcc directly.
1176 2012-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1178 * config/sol2.c (solaris_override_options): New function.
1179 * config/sol2-protos.h (solaris_override_options): Declare.
1180 * config/sol2.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1182 2012-05-07 Richard Guenther <rguenther@suse.de>
1184 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Return
1185 whether we failed to compute data dependences.
1186 (loop_prefetch_arrays): Fail if we failed.
1188 2012-05-07 Uros Bizjak <ubizjak@gmail.com>
1189 Paolo Bonzini <bonzini@gnu.org>
1191 * config/i386/i386.md (ctz<mode>2): Emit rep;bsf even for !TARGET_BMI.
1192 Emit bsf when optimizing for size.
1193 (*ffs<mode>_1): Ditto.
1195 2012-05-07 Oleg Endo <olegendo@gcc.gnu.org>
1198 * config/sh/sh.c (sh_rtx_costs): Handle SET.
1200 2012-05-06 Uros Bizjak <ubizjak@gmail.com>
1203 * config/i386/i386.md (swap<mode>): Rename from *swap<mode>.
1204 (bswapdi2): Split from bswap<mode>2. Use nonnimediate_operand
1205 predicate for operand 1. Force operand 1 to register for TARGET_BSWAP.
1207 (*bswapdi2_doubleword): New insn pattern.
1208 (*bswap<mode>2): Rename from *bswap<mode>2_1.
1210 2012-05-06 Richard Sandiford <rdsandiford@googlemail.com>
1212 * config/mips/mips.c (mips_set_reg_reg_piece_cost): New function.
1213 (mips_set_reg_reg_cost): Likewise.
1214 (mips_rtx_costs): Handle SET.
1216 2012-05-06 Richard Sandiford <rdsandiford@googlemail.com>
1218 * lower-subreg.c (shift_cost): Use set_src_cost, avoiding the SET.
1219 (compute_costs): Likewise for the zero extension. Use set_rtx_cost
1220 to compute the cost of moves. Set the mode of the target register.
1222 2012-05-05 Richard Sandiford <rdsandiford@googlemail.com>
1224 * rtl.h (plus_constant, plus_constant_mode): Merge into a single
1225 plus_constant function.
1226 * explow.c (plus_constant, plus_constant_mode): Likewise. Assert
1227 that the mode is sensible.
1228 (use_anchored_address, round_push, allocate_dynamic_stack_space)
1229 (probe_stack_range, anti_adjust_stack_and_probe): Update calls to
1232 * alias.c (canon_rtx): Likewise.
1233 (init_alias_analysis): Likewise.
1234 * builtins.c (expand_builtin_return_addr)
1235 (expand_builtin_setjmp_setup, expand_builtin_longjmp)
1236 (expand_builtin_nonlocal_goto, expand_builtin_update_setjmp_buf)
1237 (expand_builtin_apply_args_1, expand_builtin_apply, expand_movstr)
1238 (expand_builtin_stpcpy): Likewise.
1239 * calls.c (save_fixed_argument_area, restore_fixed_argument_area)
1240 (compute_argument_addresses, internal_arg_pointer_based_exp)
1241 (expand_call, emit_library_call_value_1): Likewise.
1242 * cfgexpand.c (expand_one_stack_var_at, expand_debug_expr): Likewise.
1243 * combine-stack-adj.c (try_apply_stack_adjustment): Likewise.
1244 * combine.c (combine_simplify_rtx, force_to_mode): Likewise.
1245 * cse.c (insert_const_anchor, find_reg_offset_for_const)
1246 (use_related_value, fold_rtx): Likewise.
1247 * cselib.c (cselib_subst_to_values): Likewise.
1248 * dse.c (record_store, check_mem_read_rtx): Likewise.
1249 * dwarf2out.c (rtl_for_decl_location, gen_variable_die): Likewise.
1250 * emit-rtl.c (adjust_address_1): Likewise.
1251 * except.c (sjlj_emit_function_enter)
1252 (expand_builtin_extract_return_addr)
1253 (expand_builtin_frob_return_addr): Likewise.
1254 * expmed.c (expand_divmod): Likewise.
1255 * expr.c (move_by_pieces, store_by_pieces, store_by_pieces_1)
1256 (emit_move_resolve_push, push_block, emit_push_insn, store_expr)
1257 (expand_expr_addr_expr_1, expand_expr_real_1): Likewise.
1258 * function.c (assign_stack_local_1)
1259 (instantiate_virtual_regs_in_rtx): Likewise.
1260 * optabs.c (prepare_cmp_insn): Likewise.
1261 * recog.c (offsettable_address_addr_space_p): Likewise.
1262 * reload.c (find_reloads_address, form_sum)
1263 (find_reloads_subreg_address): Likewise.
1264 * reload1.c (init_reload, eliminate_regs_1)
1265 (eliminate_regs_in_insn): Likewise.
1266 * simplify-rtx.c (simplify_unary_operation_1)
1267 (simplify_binary_operation_1, simplify_plus_minus): Likewise.
1268 * var-tracking.c (compute_cfa_pointer, prepare_call_arguments)
1269 (vt_add_function_parameter): Likewise.
1271 * config/alpha/alpha.h (EH_RETURN_HANDLER_RTX): Likewise.
1272 * config/alpha/vms.h (EH_RETURN_HANDLER_RTX): Likewise.
1273 * config/alpha/alpha.c (alpha_legitimize_address_1)
1274 (get_unaligned_address, alpha_expand_unaligned_load)
1275 (alpha_expand_unaligned_store, alpha_expand_unaligned_load_words)
1276 (alpha_expand_unaligned_store_words, alpha_expand_block_clear)
1277 (alpha_expand_builtin_establish_vms_condition_handler)
1278 (alpha_setup_incoming_varargs, emit_frame_store_1)
1279 (alpha_expand_prologue, alpha_expand_epilogue)
1280 (alpha_use_linkage): Likewise.
1281 * config/alpha/alpha.md: Likewise.
1283 * config/arm/arm.c (arm_trampoline_init, legitimize_pic_address)
1284 (arm_load_pic_register, arm_pic_static_addr, arm_legitimize_address)
1285 (thumb_legitimize_address, arm_gen_load_multiple_1)
1286 (arm_gen_store_multiple_1, arm_gen_multiple_op, gen_ldm_seq)
1287 (gen_stm_seq, gen_const_stm_seq, arm_block_move_unaligned_straight)
1288 (arm_block_move_unaligned_loop, arm_gen_movmemqi, arm_reload_in_hi)
1289 (arm_reload_out_hi, arm_reorg, vfp_emit_fstmd, emit_multi_reg_push)
1290 (emit_sfm, thumb_set_frame_pointer, arm_expand_prologue)
1291 (thumb1_emit_multi_reg_push, thumb1_expand_prologue)
1292 (thumb_expand_movmemqi, arm_set_return_address)
1293 (thumb_set_return_address): Likewise.
1294 * config/arm/arm.md: Likewise.
1296 * config/avr/avr.c (avr_incoming_return_addr_rtx)
1297 (avr_prologue_setup_frame, expand_epilogue)
1298 (avr_const_address_lo16): Likewise.
1300 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Likewise.
1301 * config/bfin/bfin.c (setup_incoming_varargs, bfin_load_pic_reg)
1302 (bfin_expand_prologue, bfin_trampoline_init, bfin_expand_call)
1303 (bfin_output_mi_thunk): Likewise.
1305 * config/c6x/c6x.c (c6x_initialize_trampoline)
1306 (c6x_output_mi_thunk): Likewise.
1308 * config/cr16/cr16.h (EH_RETURN_HANDLER_RTX): Likewise.
1309 * config/cr16/cr16.c (cr16_create_dwarf_for_multi_push): Likewise.
1311 * config/cris/cris.c (cris_return_addr_rtx, cris_split_movdx)
1312 (cris_expand_prologue, cris_expand_epilogue, cris_gen_movem_load)
1313 (cris_emit_movem_store, cris_trampoline_init): Likewise.
1314 * config/cris/cris.md: Likewise.
1316 * config/darwin.c (machopic_indirect_data_reference)
1317 (machopic_legitimize_pic_address): Likewise.
1319 * config/epiphany/epiphany.c (epiphany_emit_save_restore)
1320 (epiphany_expand_prologue, epiphany_expand_epilogue)
1321 (epiphany_trampoline_init): Likewise.
1322 * config/epiphany/epiphany.md: Likewise.
1324 * config/fr30/fr30.c (fr30_move_double): Likewise.
1326 * config/frv/frv.c (frv_dwarf_store, frv_expand_prologue)
1327 (frv_expand_block_move, frv_expand_block_clear, frv_return_addr_rtx)
1328 (frv_index_memory, unspec_got_name, frv_find_base_term)
1329 (frv_output_dwarf_dtprel): Likewise.
1331 * config/h8300/h8300.c (h8300_push_pop, h8300_return_addr_rtx)
1332 (h8300_swap_into_er6, h8300_swap_out_of_er6): Likewise.
1334 * config/i386/i386.h (RETURN_ADDR_RTX): Likewise.
1335 * config/i386/i386.c (setup_incoming_varargs_64)
1336 (setup_incoming_varargs_ms_64, choose_baseaddr)
1337 (ix86_emit_save_reg_using_mov, ix86_adjust_stack_and_probe)
1338 (ix86_emit_probe_stack_range, ix86_expand_prologue)
1339 (ix86_emit_restore_reg_using_pop, ix86_emit_leave)
1340 (ix86_expand_epilogue, legitimize_pic_address, ix86_legitimize_address)
1341 (ix86_split_long_move, ix86_expand_movmem, ix86_expand_setmem)
1342 (ix86_static_chain, ix86_trampoline_init, x86_this_parameter)
1343 (x86_output_mi_thunk): Likewise.
1344 * config/i386/i386.md: Likewise.
1346 * config/ia64/ia64.c (ia64_expand_load_address)
1347 (ia64_expand_tls_address, ia64_expand_move, ia64_split_tmode)
1348 (do_spill, ia64_trampoline_init): Likewise.
1350 * config/iq2000/iq2000.c (iq2000_va_start)
1351 (iq2000_emit_frame_related_store, iq2000_expand_prologue)
1352 (iq2000_expand_eh_return, iq2000_setup_incoming_varargs)
1353 (iq2000_print_operand, iq2000_legitimize_address): Likewise.
1355 * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
1357 * config/m32c/m32c.c (m32c_return_addr_rtx)
1358 (m32c_expand_insv): Likewise.
1360 * config/m32r/m32r.c (m32r_setup_incoming_varargs)
1361 (m32r_legitimize_pic_address, m32r_print_operand)
1362 (m32r_print_operand_address): Likewise.
1364 * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
1365 * config/m68k/m68k.h (RETURN_ADDR_RTX): Likewise.
1366 (EH_RETURN_HANDLER_RTX): Likewise.
1367 * config/m68k/m68k.c (m68k_emit_movem, m68k_expand_prologue)
1368 (m68k_expand_epilogue, legitimize_pic_address)
1369 (m68k_output_mi_thunk): Likewise.
1370 * config/m68k/m68k.md: Likewise.
1372 * config/mcore/mcore.c (mcore_expand_prolog): Likewise.
1373 (mcore_expand_epilog): Likewise.
1374 * config/mcore/mcore.md: Likewise.
1376 * config/mep/mep.c (mep_allocate_initial_value)
1377 (mep_expand_prologue, mep_expand_epilogue): Likewise.
1379 * config/microblaze/microblaze.c (double_memory_operand)
1380 (microblaze_block_move_loop): Likewise.
1382 * config/mips/mips.c (mips_strip_unspec_address, mips_add_offset)
1383 (mips_setup_incoming_varargs, mips_va_start, mips_block_move_loop)
1384 (mips_print_operand, mips16e_save_restore_reg, mips_save_restore_reg)
1385 (mips_expand_prologue, mips_epilogue_set_cfa)
1386 (mips_expand_epilogue): Likewise.
1387 * config/mips/mips.md: Likewise.
1389 * config/mmix/mmix.c (mmix_dynamic_chain_address, mmix_return_addr_rtx)
1390 (mmix_expand_prologue, mmix_expand_epilogue): Likewise.
1392 * config/mn10300/mn10300.c (mn10300_gen_multiple_store)
1393 (mn10300_builtin_saveregs, mn10300_trampoline_init): Likewise.
1395 * config/moxie/moxie.h (INCOMING_RETURN_ADDR_RTX): Likewise.
1396 (EH_RETURN_HANDLER_RTX): Likewise.
1397 * config/moxie/moxie.c (moxie_static_chain): Likewise.
1399 * config/pa/pa.c (legitimize_pic_address, hppa_legitimize_address)
1400 (store_reg, set_reg_plus_d, pa_expand_prologue, load_reg)
1401 (pa_return_addr_rtx, hppa_builtin_saveregs)
1402 (pa_trampoline_init): Likewise.
1403 * config/pa/pa.md: Likewise.
1405 * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
1407 * config/picochip/picochip.c (picochip_static_chain): Likewise.
1409 * config/rs6000/rs6000.h (RS6000_SAVE_TOC): Likewise.
1410 * config/rs6000/rs6000.c (rs6000_legitimize_address)
1411 (setup_incoming_varargs, print_operand, rs6000_return_addr)
1412 (rs6000_emit_eh_reg_restore, rs6000_emit_probe_stack_range)
1413 (rs6000_emit_epilogue)
1414 (rs6000_machopic_legitimize_pic_address): Likewise.
1416 * config/rx/rx.c (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
1418 * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Likewise.
1419 (DYNAMIC_CHAIN_ADDRESS): Likewise.
1420 * config/s390/s390.c (s390_decompose_address, legitimize_pic_address)
1421 (s390_delegitimize_address, print_operand, annotate_constant_pool_refs)
1422 (replace_constant_pool_ref, s390_return_addr_rtx, s390_back_chain_rtx)
1423 (save_fpr, restore_fpr, save_gprs, restore_gprs, s390_emit_prologue)
1424 (s390_emit_epilogue, s390_function_profiler): Likewise.
1425 * config/s390/s390.md: Likewise.
1427 * config/score/score.c (score_add_offset, score_prologue): Likewise.
1429 * config/sh/sh.c (expand_block_move, push_regs, sh_builtin_saveregs)
1430 (sh_output_mi_thunk): Likewise.
1431 * config/sh/sh.md: Likewise.
1433 * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS, FRAME_ADDR_RTX)
1434 (RETURN_ADDR_RTX, INCOMING_RETURN_ADDR_RTX): Likewise.
1435 * config/sparc/sparc.c (sparc_legitimize_pic_address)
1436 (sparc_emit_probe_stack_range, emit_save_or_restore_regs)
1437 (emit_window_save, sparc_flat_expand_prologue, sparc_struct_value_rtx)
1438 (emit_and_preserve): Likewise.
1439 * config/sparc/sparc.md: Likewise.
1441 * config/spu/spu.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
1442 * config/spu/spu.c (spu_expand_insv, spu_machine_dependent_reorg)
1443 (spu_setup_incoming_varargs, ea_load_store_inline)
1444 (spu_expand_load): Likewise.
1446 * config/stormy16/stormy16.c (xstormy16_expand_prologue)
1447 (combine_bnp): Likewise.
1449 * config/tilegx/tilegx.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
1450 * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs)
1451 (tilegx_expand_unaligned_load, tilegx_trampoline_init): Likewise.
1453 * config/tilepro/tilepro.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
1454 * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs)
1455 (tilepro_expand_unaligned_load, tilepro_trampoline_init): Likewise.
1457 * config/v850/v850.c (expand_prologue, expand_epilogue): Likewise.
1458 * config/v850/v850.md: Likewise.
1460 * config/vax/elf.h (EH_RETURN_STACKADJ_RTX): Likewise.
1461 (EH_RETURN_HANDLER_RTX): Likewise.
1462 * config/vax/vax.h (DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX): Likewise.
1463 * config/vax/vax.c (vax_add_reg_cfa_offset, vax_expand_prologue)
1464 (print_operand_address, vax_trampoline_init): Likewise.
1466 * config/xtensa/xtensa.c (xtensa_expand_prologue, xtensa_return_addr)
1467 (xtensa_function_value_regno_p): Likewise.
1469 2012-05-04 Andrew Pinski <apinski@cavium.com>
1471 * expr.c (get_def_for_expr_class): New function.
1472 (convert_tree_comp_to_rtx): New function.
1473 (expand_cond_expr_using_cmove): New function.
1474 (expand_expr_real_2 <case COND_EXPR>): Call
1475 expand_cond_expr_using_cmove first and return if it succeeds.
1476 Remove the check for HAVE_conditional_move since we should have
1477 already converted it to a conditional move.
1478 * config/i386/i386.c (ix86_expand_int_movcc): Disallow comparison
1479 modes of DImode for 32bits and TImode.
1481 2012-05-04 Steven Bosscher <steven@gcc.gnu.org>
1484 * read-md.c (fprint_md_ptr_loc, fprint_c_condition): New functions.
1485 (print_md_ptr_loc, print_c_condition): Use them.
1486 * read-md.h (fprint_md_ptr_loc, fprint_c_condition): New prototypes.
1487 * genattrtab.c (attr_file_name, dfa_file_name, latency_file_name,
1488 attr_file, dfa_file, latency_file): New global variables.
1489 (write_attr_valueq, write_attr_set, write_attr_case, write_attr_value,
1490 write_upcase, write_indent, write_length_unit_log, write_test_expr,
1491 write_attr_get, write_insn_cases, write_eligible_delay,
1492 write_const_num_delay_slots): Accept FILE pointer and toss it around.
1494 (write_header, open_outfile, handle_arg): New funcions.
1495 (make_automaton_attrs): Write prototypes as extern to the output
1497 (main): Use init_rtx_reader_args_cb with handle_arg to take 3 file
1498 names from the command line. Open the output files and write out
1499 internal functions for DFA functions to dfa_file_name, insn latency
1500 functions to latency_file_name, and everything else to attr_file.
1501 * Makefile.in (OBJS): Add insn-dfatab.o and insn-latencytab.o.
1502 (BACKEND): Build libbackend first.
1503 (MOSTLYCLEANFILES): Add insn-dfatab.c and insn-latencytab.c.
1504 (.PRECIOUS): Likewise.
1505 (insn-dfatab.o): New rule.
1506 (insn-latencytab.o): New rule.
1507 (simple_rtl_generated_c): Do not include insn-attrtab.c.
1508 (s-attrtab): New rule.
1510 2012-05-04 Steven Bosscher <steven@gcc.gnu.org>
1512 * rtl.def (ATTR_FLAG): Remove probability indicating flags.
1513 * genattr.c (main): Remove ATTR_FLAG_likely, ATTR_FLAG_unlikely,
1514 ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
1515 * reorg.c (get_jump_flags): Do not set the removed flags.
1517 * doc/md.texi (attr_flag): Update for abovementioned changes.
1519 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
1522 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1523 (TARGET_CMOV): Rename from TARGET_CMOVE.
1524 (TARGET_CMOVE): New define.
1525 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1526 Do not set TARGET_CMOVE here.
1528 2012-05-04 Dodji Seketeli <dodji@redhat.com>
1530 Enable -Wunused-local-typedefs when -Wall or -Wunused is on
1531 * opts.c (finish_options): Activate -Wunused-local-typedefs if
1532 -Wunused is activated.
1533 * doc/invoke.texi: Update blurb of -Wunused-local-typedefs.
1535 2012-05-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1537 * config/s390/s390.md (*movmem_short, *clrmem_short)
1538 (*cmpmem_short): Move the mode check from the insn condition to
1541 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1543 PR tree-optimization/52633
1544 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1545 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1546 (vect_recog_over_widening_pattern): Remove handling of code that was
1547 already detected as over-widening pattern. Remove special handling
1548 of "unsigned" cases. Instead, support general case of conversion
1549 of the shift result to another type.
1551 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1553 * tree-vect-patterns.c (vect_single_imm_use): New function.
1554 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1555 (vect_recog_over_widening_pattern): Likewise.
1556 (vect_recog_widen_shift_pattern): Likewise.
1558 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
1560 * tree-vect-patterns.c (vect_same_loop_or_bb_p): New function.
1561 (vect_handle_widen_op_by_const): Use it instead of open-coding test.
1562 (vect_recog_widen_mult_pattern): Likewise.
1563 (vect_operation_fits_smaller_type): Likewise.
1564 (vect_recog_over_widening_pattern): Likewise.
1565 (vect_recog_widen_shift_pattern): Add to vect_same_loop_or_bb_p test.
1567 2012-05-04 Richard Guenther <rguenther@suse.de>
1570 * lto-wrapper.c (merge_and_complain): Complain about mismatches
1571 of -freg-struct-return and -fpcc-struct-return.
1572 (run_gcc): Pass through -freg-struct-return and -fpcc-struct-return
1573 from the input file options and ignore those from the link
1576 2012-05-04 Richard Guenther <rguenther@suse.de>
1578 PR tree-optimization/53168
1579 * tree-ssa-pre.c (phi_translate_1): Only handle type-punned
1580 memory reads when the result is a constant we can pun.
1582 2012-05-04 Richard Guenther <rguenther@suse.de>
1584 * common.opt (flto-report): Do not mark as Optimization.
1586 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
1589 * recog.c (constrain_operands): If extra constraints are present, also
1590 accept pseudo-registers with equivalent memory locations during reload.
1592 2012-05-04 Olivier Hainque <hainque@adacore.com>
1594 * collect2.c (may_unlink_output_file): New global.
1595 (maybe_unlink): Honor it.
1596 * collect2.h: Add extern for it.
1597 * tlink.c (do_tlink): Set it to true if the link succeeded.
1599 2012-05-04 Olivier Hainque <hainque@adacore.com>
1601 * gcc.c (eval_spec_function): Finalize/restore the current string
1602 obstack state as part of the context push/pop operations.
1604 2012-05-04 Bin Cheng <bin.cheng@arm.com>
1606 PR rtl-optimization/52804
1607 * reload1.c (reload_reg_reaches_end_p): Check whether successor
1608 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1609 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1610 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1611 RELOAD_FOR_OUTADDR_ADDRESS.
1613 2012-05-04 Manuel López-Ibáñez <manu@gcc.gnu.org>
1616 * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Show caret
1617 for macro expansion.
1619 2012-05-03 Manuel López-Ibáñez <manu@gcc.gnu.org>
1621 * flags.h (flag_permissive): Do not declare.
1622 * diagnostic.c (diagnostic_report_diagnostic): Handle fpermissive
1624 * toplev.c (flag_permissive): Do not define.
1625 * c-tree.h (system_header_p): Delete unused.
1627 2012-05-03 David S. Miller <davem@davemloft.net>
1630 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1631 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1632 (sparc_emit_float_lib_cmp): Likewise.
1634 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1637 * config/rs6000/rs6000.md (bswapdi splitters): If
1638 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1639 default) is used, generate an alternate sequence that does not
1640 depend on using indexed addressing.
1642 2012-05-03 Jason Merrill <jason@redhat.com>
1644 * gengtype.c (write_types): Fix warning message.
1645 (write_local): Likewise.
1647 2012-05-02 Jason Merrill <jason@redhat.com>
1649 * dwarf2out.c (struct external_ref, build_local_stub): New.
1650 (hash_external_ref, external_ref_eq, lookup_external_ref): New.
1651 (optimize_external_refs, optimize_external_refs_1): New.
1652 (change_AT_die_ref): New.
1653 (clone_as_declaration): Add DW_AT_signature when cloning a declaration.
1654 (build_abbrev_table): Take the external refs hashtable.
1655 (output_comp_unit): Get it from optimize_external_refs and pass it in.
1657 2012-05-03 Jan Hubicka <jh@suse.cz>
1660 * tree-emutls.c (new_emutls_decl): Fix handling of aliases.
1662 2012-05-03 Jan Hubicka <jh@suse.cz>
1665 * ipa.c (cgraph_remove_unreachable_nodes): Fix handling of clones.
1667 2012-05-03 Jason Merrill <jason@redhat.com>
1669 * dwarf2out.c (die_struct): Add comdat_type_p flag. Use it instead of
1670 use_debug_types to discriminate the die_id union.
1671 (print_die, assign_symbol_names, copy_decls_walk): Likewise.
1672 (build_abbrev_table, output_die): Likewise.
1673 (prune_unused_types_walk_attribs): Likewise.
1674 (generate_type_signature, copy_declaration_context): Set it.
1675 (remove_child_or_replace_with_skeleton): Set it.
1676 (dwarf2out_start_source_file, dwarf2out_end_source_file): Don't
1677 check use_debug_types.
1678 (dwarf2out_finish): Do break_out_includes after .debug_types.
1680 2012-05-03 Jason Merrill <jason@redhat.com>
1682 * dwarf2out.c (modified_type_die): Use scope_die_for.
1683 (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1684 (uses_local_type_r, uses_local_type): New.
1685 (scope_die_for): Keep a type that uses a local type in local scope.
1686 Use get_context_die for namespace and type scope.
1688 2012-05-03 Jason Merrill <jason@redhat.com>
1690 * config/i386/i386.c (ix86_code_end): Set DECL_IGNORED_P on the
1692 * dwarf2out.c (output_aranges): Skip DECL_IGNORED_P functions.
1693 (dwarf2out_finish): Likewise.
1695 2012-05-03 Martin Jambor <mjambor@suse.cz>
1697 * builtins.c (get_object_alignment_1): Return whether we can determine
1698 the alignment or conservatively assume byte alignment. Return the
1699 alignment by reference. Use get_pointer_alignment_1 for dereference
1701 (get_pointer_alignment_1): Return whether we can determine the
1702 alignment or conservatively assume byte alignment. Return the
1703 alignment by reference. Use get_ptr_info_alignment to get SSA name
1705 (get_object_alignment): Update call to get_object_alignment_1.
1706 (get_object_or_type_alignment): Likewise, fall back to type alignment
1707 only when it returned false.
1708 (get_pointer_alignment): Update call to get_pointer_alignment_1.
1709 * fold-const.c (get_pointer_modulus_and_residue): Update call to
1710 get_object_alignment_1.
1711 * ipa-prop.c (ipa_modify_call_arguments): Update call to
1712 get_pointer_alignment_1.
1713 * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type
1714 of MEM_REF or TARGET_MEM_REF only when it returns false.
1715 * tree-ssa-ccp.c (get_value_from_alignment): Update call to
1716 get_object_alignment_1.
1717 (ccp_finalize): Use set_ptr_info_alignment.
1718 * tree.h (get_object_alignment_1): Update declaration.
1719 (get_pointer_alignment_1): Likewise.
1720 * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment.
1721 (dump_gimple_stmt): Likewise.
1722 * tree-flow.h (ptr_info_def): Updated comments of fields align and
1724 (get_ptr_info_alignment): Declared.
1725 (mark_ptr_info_alignment_unknown): Likewise.
1726 (set_ptr_info_alignment): Likewise.
1727 (adjust_ptr_info_misalignment): Likewise.
1728 * tree-ssa-address.c (copy_ref_info): Use new access functions to get
1729 and set alignment of SSA names.
1730 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call
1731 mark_ptr_info_alignment_unknown.
1732 * tree-ssanames.c (get_ptr_info_alignment): New function.
1733 (mark_ptr_info_alignment_unknown): Likewise.
1734 (set_ptr_info_alignment): Likewise.
1735 (adjust_ptr_info_misalignment): Likewise.
1736 (get_ptr_info): Call mark_ptr_info_alignment_unknown.
1737 * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
1739 (bump_vector_ptr): Likewise.
1740 * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment.
1741 (vectorizable_store): Likewise.
1742 (vectorizable_load): Likewise.
1744 2012-05-03 Michael Matz <matz@suse.de>
1746 * basic-block.h (struct rtl_bb_info, struct gimple_bb_info): Move
1747 in front of basic_block_def.
1748 (struct basic_block_def): Make il.gimple the full struct, not a
1750 (__assert_gimple_bb_smaller_rtl_bb): Asserting typedef.
1752 * cfgexpand.c (expand_gimple_basic_block): Clear all il.gimple members.
1753 * gimple-iterator.c (gimple_stmt_iterator): Don't special case
1754 NULL il.gimple, which can't happen anymore.
1755 * gimple.h (bb_seq): il.gimple can't be NULL.
1756 (bb_seq_add): Ditto.
1757 (set_bb_seq): Adjust.
1758 (gsi_start_bb, gsi_last_bb): Tidy.
1759 * lto-streamer-in.c (make_new_block): Don't zero members that
1760 are zeroed already, don't allocate a gimple_bb_info.
1761 * tree-cfg.c (create_bb): Don't allocate a gimple_bb_info.
1762 (remove_bb): Clear all il.gimple members.
1763 (gimple_verify_flow_info): Adjust for flat il.gimple.
1764 * tree-flow-inline.h (phi_nodes, phi_nodes_ptr, set_phi_nodes): Adjust.
1766 * coretypes.h (const_gimple_seq): Remove typedef.
1767 * gimple.h (gimple_seq_first): Take gimple_seq.
1768 (gimple_seq_first_stmt): Ditto.
1769 (gimple_seq_last): Ditto.
1770 (gimple_seq_last_stmt): Ditto.
1771 (gimple_seq_empty_p): Ditto.
1773 2012-05-03 Richard Guenther <rguenther@suse.de>
1775 * tree-ssa-pre.c (valid_in_sets): Remove checking of trapping
1777 (prune_clobbered_mems): Do it here. Do not uselessly sort expressions.
1778 (compute_avail): Do not add possibly trapping operations to
1779 EXP_GEN if they might not be executed in the block.
1781 2012-05-03 Uros Bizjak <ubizjak@gmail.com>
1783 * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Remove.
1785 2012-05-03 Steven Bosscher <steven@gcc.gnu.org>
1787 * tree-switch-conversion.c (gen_inbound_check): Free post-dominance
1788 information as early as possible. Update dominance info instead of
1791 2012-05-03 Richard Guenther <rguenther@suse.de>
1793 * tree-ssa-pre.c (debug_bitmap_sets_for): New function.
1794 (union_contains_value): Remove.
1795 (vro_valid_in_sets): Likewise.
1796 (op_valid_in_sets): New function.
1797 (valid_in_sets): Use op_valid_in_sets.
1798 (insert_into_preds_of_block): Move dumping ...
1799 (do_regular_insertion): ... here.
1800 (do_partial_partial_insertion): ... and here. Dump that
1801 we've found a partial partial redundancy.
1802 (insert): Dump the current insert iteration.
1804 2012-05-03 Jakub Jelinek <jakub@redhat.com>
1807 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1808 append program name to it and pass that as first argument
1809 to make_relative_prefix. Always pass standard_libexec_prefix
1810 as last argument to make_relative_prefix. If
1811 make_relative_prefix returns NULL, fall back to
1812 standard_libexec_prefix.
1815 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1819 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1820 mode, return that mode.
1823 * config/i386/i386-c.c (ix86_target_macros_internal): Don't
1824 define __ATOMIC_HLE_* macros here.
1825 (ix86_target_macros): But here, using cpp_define_formatted.
1827 2012-05-03 Richard Guenther <rguenther@suse.de>
1829 PR tree-optimization/53144
1830 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1832 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
1833 with SSA name values.
1834 (vn_reference_lookup_3): Adjust callers.
1836 2012-05-03 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
1838 * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1839 has_fma4 for AMD processors with both fma3 and fma4 support.
1841 2012-05-03 Kirill Yukhin <kirill.yukhin@intel.com>
1844 * config/i386/driver-i386.c (host_detect_local_cpu): Add space to
1847 2012-05-03 Michael Matz <matz@suse.de>
1850 * tree-ssa-dse.c (dse_optimize_stmt): Take pointer to iterator.
1851 (dse_enter_block): Properly iterate the whole sequence even
1852 if the last statement was removed.
1854 2012-05-02 Steven Bosscher <steven@gcc.gnu.org>
1856 * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): For pic code,
1857 unset flag_jump_tables.
1858 * stmt.c (expand_case): Remove special flag_pic case conditional
1859 on ASM_OUTPUT_ADDR_DIFF_ELT not being defined.
1861 2012-05-02 Ulrich Weigand <ulrich.weigand@linaro.org>
1863 * common/config/s390/s390-common.c (s390_option_optimization_table):
1864 Enable -fsched-pressure using -fsched-pressure-algorithm=model by
1865 default when optimizing.
1867 2012-05-02 Martin Jambor <mjambor@suse.cz>
1870 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1871 of a variable when the contect is a function.
1873 2012-05-02 Michael Matz <matz@suse.de>
1875 * coretypes.h (gimple_seq, const_gimple_seq): Typedef as gimple.
1876 * gimple.h (struct gimple_seq_node_d, struct gimple_seq_d): Remove.
1877 (const_gimple_seq_node): Remove.
1878 (gimple_seq_node): Typedef as gimple.
1879 (struct gimple_statement_base): Add next and prev members,
1880 adjust all WORD markers in using structs.
1881 (union gimple_statement_d): Link via gsbase.next field for GC and PCH.
1882 (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
1883 gimple_seq_last_stmt): Adjust as gimple_seq, gimple_seq_node and
1884 gimple are the same.
1885 (gimple_seq_set_last, gimple_seq_set_first): Don't allocate
1887 (gimple_init_singleton): New function.
1888 (gsi_start_1, gsi_last_1, gsi_end_p, gsi_one_before_end_p): Adjust.
1889 (gsi_next, gsi_prev): Adjust, handle prev cyclic list correctly.
1891 (gsi_stmt_ptr): Remove.
1892 (enum gimple_alloc_kind): Remove gimple_alloc_kind_seq member.
1894 * gimple-iterator.c (update_bb_for_stmts): Take last parameter
1895 again, adjust for above changes.
1896 (update_call_edge_frequencies): Adjust for above changes.
1897 (gsi_insert_seq_nodes_before): Rewrite for new data structure.
1898 (gsi_insert_seq_nodes_after): Ditto.
1899 (gsi_split_seq_after): Ditto.
1900 (gsi_set_stmt): Ditto.
1901 (gsi_split_seq_before): Ditto.
1902 (gsi_remove): Ditto.
1903 (gsi_insert_seq_before_without_update): Don't free sequence.
1904 (gsi_insert_seq_after_without_update): Ditto.
1905 (gsi_replace): Assert some more invariants.
1906 (gsi_insert_before_without_update, gsi_insert_after_without_update):
1908 (gsi_for_stmt): Don't search for stmt.
1909 (gsi_insert_on_edge_immediate): Tidy.
1911 * gimple.c (gimple_alloc_k): Remove "sequences".
1912 (gimple_seq_cache): Remove.
1913 (gimple_alloc_stat): Make stmt a singleton sequence.
1914 (gimple_seq_alloc, gimple_seq_free): Remove.
1915 (gimple_assign_set_rhs_with_ops_1): Ensure new stmt is a singleton.
1916 (gimple_copy): Ditto.
1917 * gimplify.c (gimplify_cleanup_point_expr): Use gsi_set_stmt,
1918 create iterator from correct sequence.
1919 * tree-phinodes.c (make_phi_node): Make stmt a singleton.
1921 2012-05-02 Michael Matz <matz@suse.de>
1923 * gimple.h (gimple_stmt_iterator <seq>): Make it be pointer to
1925 (gimple_seq_set_last, gimple_seq_set_first): Take pointer to
1926 sequence, lazily allocate it.
1927 (bb_seq_addr): New function.
1928 (gsi_start_1): Rename from gsi_start, but take pointer to sequence.
1929 (gsi_start): Macro to wrap gsi_start_1 taking pointer of argument.
1930 (gsi_none): New function.
1931 (gsi_start_bb): Adjust.
1932 (gsi_last_1): Rename from gsi_last, but take pointer to sequence.
1933 (gsi_last): Macro to wrap gsi_last_1 taking pointer of argument.
1934 (gsi_last_bb): Adjust.
1936 * tree-flow-inline.h (phi_nodes_ptr): New function.
1938 * gimple-iterator.c (gsi_insert_seq_nodes_before): Adjust to
1939 datastructure and interface change.
1940 (gsi_insert_seq_before_without_update): Ditto.
1941 (gsi_insert_seq_nodes_after): Ditto.
1942 (gsi_insert_seq_after_without_update): Ditto.
1943 (gsi_split_seq_after): Ditto, don't use gimple_seq_alloc.
1944 (gsi_split_seq_before): Ditto.
1945 (gsi_start_phis): Adjust.
1946 * tree-vect-loop.c (vect_determine_vectorization_factor): Use gsi_none.
1947 (vect_transform_loop): Ditto.
1948 * gimple.c (gimple_seq_add_stmt, gimple_seq_add_seq,
1949 gimple_seq_copy): Don't use gimple_seq_alloc.
1950 * gimplify.c (gimple_seq_add_stmt_without_update): Ditto.
1951 (gimplify_seq_add_seq): Ditto.
1952 * lto-streamer-in.c (make_new_block): Ditto.
1953 * tree-cfg.c (create_bb): Ditto.
1954 * tree-sra.c (initialize_parameter_reductions): Ditto.
1956 2012-05-02 Michael Matz <matz@suse.de>
1958 * gimple.h (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
1959 gimple_seq_last_stmt, gimple_seq_set_last, gimple_seq_set_first,
1960 gimple_seq_empty_p, gimple_seq_alloc_with_stmt, bb_seq,
1961 set_bb_seq): Move down to after gimple_statement_d definition.
1963 2012-05-02 Michael Matz <matz@suse.de>
1965 * gimple-fold.c (gimplify_and_update_call_from_tree): Use
1966 gsi_replace_with_seq, instead of inserting itself.
1967 * gimple-iterator.c (gsi_replace_with_seq): New function.
1968 * tree-ssa-forwprop.c (forward_propagate_comparison): Take
1969 iterator instead of statement, advance it.
1970 (ssa_forward_propagate_and_combine): Adjust call to above.
1972 2012-05-02 Michael Matz <matz@suse.de>
1974 * tree-phinodes.c (add_phi_node_to_bb): Tidy, don't use
1976 * omp-low.c (finalize_task_copyfn): Don't use gimple_seq_alloc.
1977 * tree-nested.c (walk_gimple_omp_for): Ditto.
1978 * trans-mem.c (lower_transaction): Ditto.
1979 * tree-eh.c (do_return_redirection): Ditto.
1980 (do_goto_redirection): Ditto.
1981 (lower_try_finally_switch): Ditto.
1982 * gimplify.c (gimplify_stmt): Ditto.
1983 (gimplify_scan_omp_clauses): Ditto.
1984 (gimplify_omp_for): Ditto.
1985 (gimplify_function_tree): Ditto.
1986 * gimple-fold.c (gimplify_and_update_call_from_tree): Ditto.
1987 * tree-mudflap.c (mf_decl_cache_locals): Ditto.
1988 (mf_build_check_statement_for): Ditto.
1989 (mx_register_decls): Ditto.
1990 * graphite-sese-to-poly.c (remove_invariant_phi): Ditto,
1991 and don't use itertors to append.
1992 (insert_stmts): Ditto.
1993 (insert_out_of_ssa_copy): Ditto.
1994 (insert_out_of_ssa_copy_on_edge): Ditto.
1996 2012-05-02 Michael Matz <matz@suse.de>
1998 * gimple.h (gimple_bind_body_ptr): New function.
1999 (gimple_bind_body): Use it.
2000 (gimple_catch_handler): Use gimple_catch_handler_ptr.
2001 (gimple_eh_filter_failure_ptr): New function.
2002 (gimple_eh_filter_failure): Use it.
2003 (gimple_eh_else_n_body_ptr): New function.
2004 (gimple_eh_else_n_body): Use it.
2005 (gimple_eh_else_e_body_ptr): New function.
2006 (gimple_eh_else_e_body): Use it.
2007 (gimple_try_eval_ptr): New function.
2008 (gimple_try_eval): Use it.
2009 (gimple_try_cleanup_ptr): New function.
2010 (gimple_try_cleanup): Use it.
2011 (gimple_wce_cleanup_ptr): New function.
2012 (gimple_wce_cleanup): Use it.
2013 (gimple_omp_body_ptr): New function.
2014 (gimple_omp_body): Use it.
2015 (gimple_omp_for_pre_body_ptr): New function.
2016 (gimple_omp_for_pre_body): Use it.
2017 (gimple_transaction_body_ptr): New function.
2018 (gimple_transaction_body): Use it.
2019 (gsi_split_seq_before): Adjust to return nothing and take pointer
2021 (gsi_set_stmt): Declare.
2022 (gsi_replace_with_seq): Declare.
2023 (walk_gimple_seq_mod): Declare.
2024 * function.h (struct function <gimple_body>): Use typedef gimple_seq.
2026 * gimple-iterator.c (gsi_set_stmt): New function.
2027 (gsi_split_seq_before): Return new sequence via pointer argument.
2028 (gsi_replace): Use gsi_set_stmt.
2030 * tree-ssa-loop-im.c (move_computations_stmt): First remove
2032 * tree-complex.c (update_complex_components_on_edge): Don't copy gsi.
2033 * tree-phinodes.c (resize_phi_node): Don't resize stmt in-place,
2035 (reserve_phi_args_for_new_edge): Change call to above,
2038 * omp-low.c (lower_omp): Change prototype to take pointer to sequence.
2039 (lower_rec_input_clauses): Use gimple_seq_add_seq instead of
2040 iterators. Adjust call to lower_omp.
2041 (lower_lastprivate_clauses): Adjust call to lower_omp.
2042 (lower_reduction_clauses): Ditto.
2043 (expand_omp_taskreg): Nullify non-cfg body of child_fn.
2044 (lower_omp_sections): Don't explicitely count sequence length,
2045 nullify lowered bodies earlier, ensure stmts are part of only
2046 one sequence, adjust call to lower_omp.
2047 (lower_omp_single): Ensure stmts are part of only one sequence,
2048 adjust call to lower_omp.
2049 (lower_omp_master): Ditto.
2050 (lower_omp_ordered): Ditto.
2051 (lower_omp_critical): Ditto.
2052 (lower_omp_for): Ditto.
2053 (lower_omp_taskreg): Ditto, tidy.
2054 (lower_omp_1): Adjust calls to lower_omp.
2055 (execute_lower_omp): Ditto.
2056 (lower_omp): Adjust to take pointer to sequence.
2057 (diagnose_sb_2): Use walk_gimple_seq_mod.
2058 (diagnose_omp_structured_block_errors): Ditto and set possibly
2059 changed function body.
2060 * gimple-low.c (lower_function_body): Set function body after
2062 (lower_sequence): Adjust to take pointer to sequence.
2063 (lower_omp_directive): Ensure stmt isn't put twice into the
2064 sequence, adjust call to lower_sequence.
2065 (lower_stmt): Adjust calls to lower_sequence.
2066 (lower_gimple_bind): Ditto.
2067 (gimple_try_catch_may_fallthru): Call gsi_start with lvalue.
2068 * tree-nested.c (walk_body): Take pointer to sequence, use
2069 walk_gimple_seq_mod.
2070 (walk_function): Adjust call to walk_body, set possibly changed body.
2071 (walk_gimple_omp_for): Adjust calls to walk_body.
2072 (convert_nonlocal_omp_clauses): Ditto.
2073 (convert_nonlocal_reference_stmt): Ditto.
2074 (convert_local_omp_clauses): Ditto.
2075 (convert_local_reference_stmt): Ditto.
2076 (convert_tramp_reference_stmt): Ditto.
2077 (convert_gimple_call): Ditto.
2078 (convert_nl_goto_reference): Use local iterator copy.
2079 * gimple.c (walk_gimple_seq_mod): Renamed from walk_gimple_seq,
2080 but taking pointer to sequence, ensure gsi_start is called with
2082 (walk_gimple_seq): New wrapper around walk_gimple_seq_mod,
2083 asserting that the sequence head didn't change.
2084 (walk_gimple_stmt): Replace all calls to walk_gimple_seq with
2085 walk_gimple_seq_mod.
2086 * trans-mem.c (lower_transaction): Use walk_gimple_seq_mod.
2087 (execute_lower_tm): Ditto, and set possibly changed body.
2088 * tree-eh.c (lower_eh_constructs_1): Take pointer to sequence,
2089 call gsi_start with that lvalue.
2090 (replace_goto_queue_stmt_list): Ditto.
2091 (replace_goto_queue_1): Adjust calls to replace_goto_queue_stmt_list.
2092 (replace_goto_queue): Ditto.
2093 (lower_try_finally_nofallthru): Adjust calls to lower_eh_constructs_1.
2094 (lower_try_finally_onedest): Ditto.
2095 (lower_try_finally_copy): Ditto.
2096 (lower_try_finally_switch): Ditto.
2097 (lower_try_finally): Ditto.
2098 (lower_eh_filter): Ditto.
2099 (lower_eh_must_not_throw): Ditto.
2100 (lower_cleanup): Ditto.
2101 (lower_eh_constructs_2): Ditto.
2102 (lower_catch): Ditto, and ensure gsi_start is called with lvalue.
2103 (lower_eh_constructs): Adjust calls to lower_eh_constructs_1, and
2104 set possibly changed body.
2105 (optimize_double_finally): Call gsi_start with lvalue.
2107 * tree-cfg.c (make_blocks): Adjust call to gsi_split_seq_before.
2108 (gimple_split_block): Ditto.
2109 (gimple_merge_blocks): Use gsi_start_phis.
2110 (move_stmt_r): Use walk_gimple_seq_mod.
2111 * tree-ssa-dse.c (dse_enter_block): Use gsi_last_bb.
2112 * cgraphbuild.c (build_cgraph_edges): Use gsi_start_phis.
2113 (rebuild_cgraph_edges): Ditto.
2114 (cgraph_rebuild_references): Ditto.
2115 * ipa-prop.c (ipa_analyze_params_uses): Ditto.
2116 * tree-inline.c (copy_phis_for_bb): Ditto.
2117 * tree-ssa-dce.c: Ditto.
2119 * cgraphunit.c (cgraph_analyze_function): Use gimple_has_body_p.
2121 2012-05-02 Kirill Yukhin <kirill.yukhin@intel.com>
2122 Andi Kleen <ak@linux.intel.com>
2124 * coretypes.h (MEMMODEL_MASK): New.
2125 * builtins.c (get_memmodel): Add val. Call target.memmodel_check
2126 and return new variable.
2127 (expand_builtin_atomic_exchange): Mask memmodel values.
2128 (expand_builtin_atomic_compare_exchange): Ditto.
2129 (expand_builtin_atomic_load): Ditto.
2130 (expand_builtin_atomic_store): Ditto.
2131 (expand_builtin_atomic_clear): Ditto.
2132 * doc/extend.texi: Mention port-dependent memory model flags.
2133 * config/i386/cpuid.h (bit_HLE): New.
2134 * config/i386/driver-i386.c (host_detect_local_cpu): Detect
2136 * config/i386/i386-protos.h (ix86_generate_hle_prefix): New.
2137 * config/i386/i386-c.c (ix86_target_macros_internal): Set HLE defines.
2138 (ix86_target_string)<-mhle>: New.
2139 (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
2140 * config/i386/i386.c (ix86_target_string) <OPTION_MASK_ISA_HLE>: New.
2141 (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
2142 (ix86_option_override_internal) <PTA_HLE>: New switch, set it
2143 enabled for generic, generic64 and core-avx2.
2144 (ix86_print_operand): Generate HLE lock prefixes.
2145 (ix86_memmodel_check): New.
2146 (TARGET_MEMMODEL_CHECK): Ditto.
2147 * config/i386/i386.h (OPTION_ISA_HLE): Ditto.
2148 (IX86_HLE_ACQUIRE): Ditto.
2149 (IX86_HLE_RELEASE): Ditto.
2150 * config/i386/i386.h (ix86_generate_hle_prefix): Ditto.
2151 * config/i386/i386.opt (mhle): Ditto.
2152 * config/i386/sync.md(atomic_compare_and_swap<mode>): Pass
2153 success model to instruction emitter.
2154 (atomic_fetch_add<mode>): Ditto.
2155 (atomic_exchange<mode>): Ditto.
2156 (atomic_add<mode>): Ditto.
2157 (atomic_sub<mode>): Ditto.
2158 (atomic_<code><mode>): Ditto.
2159 (*atomic_compare_and_swap_doubledi_pic): Ditto.
2160 (atomic_compare_and_swap_single<mode>): Define and use argument
2162 (atomic_compare_and_swap_double<mode>): Ditto.
2163 * configure.ac: Check if assembler support HLE prefixes.
2164 * configure: Regenerate.
2167 2012-05-02 Steven Bosscher <steven@gcc.gnu.org>
2170 * gimplify.c (preprocess_case_label_vec_for_gimple): New function,
2172 (gimplify_switch_expr): ... here.
2173 * gimple.h (preprocess_case_label_vec_for_gimple): Add prototype.
2174 * tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): New function
2175 to clean up case labels with values outside the index type range.
2176 (simplify_gimple_switch): Call it if something changed.
2177 Remove strange and unnecessary assert.
2179 2012-05-02 Richard Guenther <rguenther@suse.de>
2181 * fold-const.c (div_if_zero_remainder): sizetypes no longer
2183 (int_const_binop_1): New worker for int_const_binop with
2184 overflowable parameter. Pass it through to force_fit_type_double.
2185 (int_const_binop): Wrap around int_const_binop_1 with overflowable
2187 (size_binop_loc): Call int_const_binop_1 with overflowable equal
2188 to minus one, forcing overflow detection for even unsigned types.
2189 (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE special-casing.
2190 (fold_binary_loc): Call try_move_mult_to_index with signed offset.
2191 * stor-layout.c (initialize_sizetypes): sizetypes no longer
2193 (layout_type): For zero-sized arrays ignore overflow on the
2195 * tree-ssa-ccp.c (bit_value_unop_1): Likewise.
2196 (bit_value_binop_1): Likewise.
2197 * tree.c (double_int_to_tree): Likewise.
2198 (double_int_fits_to_tree_p): Likewise.
2199 (force_fit_type_double): Likewise.
2200 (host_integerp): Likewise.
2201 (int_fits_type_p): Likewise.
2202 * varasm.c (output_constructor_regular_field): Sign-extend the
2203 field-offset to cater for negative offsets produced by the Ada
2205 * omp-low.c (extract_omp_for_data): Convert the loop step to
2206 signed for pointer adjustments.
2208 2012-05-02 Richard Guenther <rguenther@suse.de>
2210 * tree.c (valid_constant_size_p): New function.
2211 * tree.h (valid_constant_size_p): Declare.
2212 * cfgexpand.c (expand_one_var): Adjust check for too large
2213 variables by using valid_constant_size_p.
2214 * varasm.c (assemble_variable): Likewise.
2216 * c-decl.c (grokdeclarator): Properly check for sizes that
2217 cover more than half of the address-space.
2219 2012-05-02 Jakub Jelinek <jakub@redhat.com>
2221 PR tree-optimization/53163
2222 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
2223 return value from compute_all_dependences.
2225 PR rtl-optimization/53160
2226 * ree.c (combine_reaching_defs): Handle the case where cand->insn
2227 has been modified by ree pass already.
2229 2012-05-01 Ian Lance Taylor <iant@google.com>
2232 * c-decl.c (build_compound_literal): Make the decl readonly if it
2233 an array of a readonly type.
2234 * gimplify.c (gimplify_compound_literal_expr): Add fallback
2235 parameter. Change all callers. If the decl is not addressable
2236 and is not an l-value, make it readonly.
2238 2012-05-01 Bernd Schmidt <bernds@codesourcery.com>
2240 * ira.c (allocated_reg_info_size): New static variable.
2241 (expand_reg_info): Manage it. Call
2242 setup_preferred_alternate_classes_for_new_pseudos.
2243 (ira): Don't do it here. Remove local allocated_reg_info_size,
2244 set the global before calling find_moveable_pseudos.
2245 (find_moveable_pseudos): Call expand_reg_info rather than
2248 2012-05-01 Richard Henderson <rth@redhat.com>
2250 * common.opt (fsync-libcalls): New.
2251 * doc/invoke.texi: Document it.
2252 * optabs.c (init_sync_libfuncs): Honor it.
2254 2012-05-01 Kenneth Zadeck <zadeck@naturalbridge.com>
2255 Richard Sandiford <r.sandiford@uk.ibm.com>
2257 PR rtl-optimization/52543
2258 * Makefile.in (lower-subreg.o, target-globals.o): Depend on
2260 * lower-subreg.h: New file.
2261 * target-globals.h (this_target_lower_subreg): Declare.
2262 (target_globals): Add lower_subreg;
2263 (restore_target_globals): Restore this_target_lower_subreg.
2264 * target-globals.c: Include it.
2265 (default_target_globals): Add default_target_lower_subreg.
2266 (save_target_globals): Initialize target_lower_subreg.
2267 * rtl.h (init_lower_subreg): Added declaration.
2268 * toplev.c (backend_init_target): Call initializer for lower-subreg
2270 * lower-subreg.c (LOG_COSTS, FORCE_LOWERING): New macros.
2271 (default_target_lower_subreg): New variable.
2272 (this_target_lower_subreg): Likewise.
2273 (twice_word_mode, choices): New macros.
2274 (shift_cost, compute_splitting_shift, compute_costs)
2275 (init_lower_subreg): New functions.
2276 (resolve_simple_move): Add speed_p argument. Check choices.
2277 (find_pseudo_copy): Don't check the mode size here.
2278 (resolve_simple_move): Assert the mode size.
2279 (find_decomposable_shift_zext): Add speed_p argument and return
2280 a bool. Check choices.
2281 (resolve_shift_zext): Add comment.
2282 (dump_shift_choices, dump_choices): New functions.
2283 (decompose_multiword_subregs): Dump list of profitable
2284 transformations. Add code to skip non profitable transformations.
2285 Update calls to simple_move and find_decomposable_shift_zext.
2287 2012-05-01 Ian Bolton <ian.bolton@arm.com>
2288 Sameera Deshpande <sameera.deshpande@arm.com>
2289 Greta Yorsh <greta.yorsh@arm.com>
2291 * config/arm/arm-protos.h (thumb_unexpanded_epilogue): Rename to...
2292 (thumb1_unexpanded_epilogue): ...this.
2293 * config/arm/arm.c (thumb_unexpanded_epilogue): Rename to...
2294 (thumb1_unexpanded_epilogue): ...this.
2295 * config/arm/arm.md (thumb_unexpanded_epilogue): Rename to...
2296 (thumb1_unexpanded_epilogue): ...this.
2298 2012-05-01 Richard Earnshaw <rearnsha@arm.com>
2300 * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
2301 comparing enumeration values. Update comments.
2303 2012-05-01 Alan Modra <amodra@gmail.com>
2306 * config/rs6000/rs6000.c (load_lr_save, restore_saved_lr,
2307 load_cr_save, add_crlr_cfa_restore): New functions.
2308 (rs6000_restore_saved_cr): Rename to..
2309 (restore_saved_cr): ..this. Add cfa_restore notes for cr.
2310 (rs6000_emit_epilogue): Use new functions. Adjust condition
2311 for emitting lr and cr cfa_restore. Emit cfa_restores for fp
2312 regs when using out-of-line restore only when shrink wrapping.
2314 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2317 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
2318 calls to cgraph_node_name in xstrdup.
2319 (ipa_make_edge_direct_to_target): Ditto.
2320 * cgraph.c (dump_cgraph_node): Ditto.
2321 * tree-sra.c (convert_callers_for_node): Ditto.
2322 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
2323 * ipa-cp.c (perhaps_add_new_callers): Ditto.
2324 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
2325 (cgraph_materialize_all_clones): Ditto.
2326 * ipa-inline.c (report_inline_failed_reason): Ditto.
2327 (want_early_inline_function_p): Ditto.
2328 (edge_badness): Ditto.
2329 (update_edge_key): Ditto.
2330 (flatten_function): Ditto.
2331 (ipa_inline): Ditto.
2332 (inline_always_inline_functions): Ditto.
2333 (early_inline_small_functions): Ditto.
2335 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2338 * config/i386/i386.md (*umul<mode><dwi>3_1): Switch places of
2339 constraints 0 and 1.
2341 012-04-30 Jan Hubicka <jh@suse.cz>
2343 * cgraph.c (ld_plugin_symbol_resolution_names): Move to symtab.c
2344 (cgraph_asm_nodes, cgraph_asm_last_node): Move to cgraphunit.c
2345 (cgraph_add_to_same_comdat_group): Remove.
2346 (cgraph_add_asm_node): Move to cgraphunit.c.
2347 (cgraph_make_decl_local): Move to symtab.c
2348 (cgraph_make_node_local_1): Update.
2349 (cgraph_can_remove_if_no_direct_calls_and): Update.
2350 (used_from_object_file_p): Update.
2351 (resolution_used_from_other_file_p): Move to symtab.c
2352 (cgraph_used_from_object_file_p): move to symtab.c
2353 (verify_cgraph_node): Verify same comdat groups.
2354 * cgraph.h (cgraph_asm_node): Rename to ...
2355 (asm_node): ... this one.
2356 (cgraph_asm_nodes): Rename to ...
2357 (asm_nodes): ... this one.
2358 (symtab_add_to_same_comdat_group): New function.
2359 (symtab_dissolve_same_comdat_group_list): New function.
2360 (symtab_used_from_object_file_p): Declare.
2361 (symtab_make_decl_local): Declare.
2362 (cgraph_add_to_same_comdat_group): Remove.
2363 (cgraph_add_asm_node): Remove.
2364 (cgraph_used_from_object_file_p, varpool_used_from_object_file_p):
2366 (cgraph_finalize_compilation_unit): Rename to ...
2367 (finalize_compilation_unit): ... this one.
2368 (cgraph_optimize): Rename to ....
2369 (compile): ... this one.
2370 (add_asm_node): Declare.
2371 (fixup_same_cpp_alias_visibility): Declare.
2372 (cgraph_make_decl_local): Remove.
2373 (varpool_assemble_pending_decls): Rename to ...
2374 (varpool_output_variables): ... this one.
2375 (varpool_remove_unreferenced_decls): Remove.
2376 * ipa-inline-transform.c (clone_inlined_nodes): Dissolve comdat groups.
2377 (preserve_function_body_p): Make static.
2378 * toplev.c (compile_file): Update comments; update.
2379 * cgraphunit.c: Update comments.
2380 (cgraph_expand_all_functions): Rename to ...
2381 (expand_all_functions): ... this one; update.
2382 (cgraph_mark_functions_to_output): Rename to ...
2383 (mark_functions_to_output): ... this one; cleanup.
2384 (cgraph_output_pending_asms): Remove prototype.
2385 (asm_nodes, asm_last_node): New static vars.
2386 (cgraph_process_new_functions): Update.
2387 (cgraph_reset_node): Cleanup; add comment.
2388 (cgraph_add_new_function): Update.
2389 (cgraph_output_pending_asms): Rename to ...
2390 (output_asm_statements): ... this one.
2391 (add_asm_node): New function.
2392 (fixup_same_cpp_alias_visibility): New function based on code
2393 in cgraph_analyze_function.
2394 (cgraph_analyze_function): Use it.
2395 (cgraph_order_sort): Update.
2396 (cgraph_output_in_order): Update.
2397 (cgraph_function_versioning): Update.
2398 (cgraph_optimize): Rename to ...
2399 (compile): ... this one; initialize streamer hooks here.
2400 (cgraph_finalize_compilation_unit): Rename to ...
2401 (finalize_compilation_unit): ... this one; do not initialize streamer
2403 * lto-streamer-out.c (lto_output_toplevel_asms): Update.
2404 * dwarf2out.c: Update ocmment.
2405 * optimize.c (maybe_clone_body): Use symtab_add_to_same_comdat_group.
2406 * method.c (use_thunk): Likewise.
2407 * semantics.c (maybe_add_lambda_conv_op): Likewise.
2408 * decl2.c (maybe_emit_vtables): Likewise.
2409 (cp_write_global_declarations): Use finalize_compilation_unit.
2410 * parser.c (cp_parser_asm_definition): Use add_asm_node.
2411 * lto-streamer-in.c (lto_input_toplevel_asms): Use add_asm_node
2412 * c-decl.c (c_write_global_declarations): Use
2413 finalize_compilation_unit.
2414 * langhooks.c (write_global_declarations): Update.
2415 * ipa.c (cgraph_externally_visible_p): Update.
2416 (dissolve_same_comdat_group_list): Remove.
2417 (function_and_variable_visibility): Update.
2418 * symtab.c: Inlcude lto-streamer.h and rtl.h
2419 (ld_plugin_symbol_resolution_names): New.
2420 (symtab_add_to_same_comdat_group): New.
2421 (symtab_dissolve_same_comdat_group_list): New.
2422 (resolution_used_from_other_file_p): Move here from cgraph.c
2423 (symtab_used_from_object_file_p): New.
2424 (symtab_make_decl_local): New.
2425 * passes.c (register_pass): Update comments.
2426 * c-parser.c (c_parser_asm_definition): Update.
2427 * varpool.c (varpool_analyze_node): Use
2428 fixup_same_cpp_alias_visibility.
2429 (varpool_remove_unreferenced_decls): Make static.
2430 (varpool_assemble_pending_decls): Rename to ...
2431 (varpool_output_variables): ... this one; call
2432 varpool_remove_unreferenced_decls.
2433 (varpool_used_from_object_file_p): Remove.
2435 2012-04-30 Marc Glisse <marc.glisse@inria.fr>
2438 * c-typeck.c (build_array_ref): Call
2439 convert_vector_to_pointer_for_subscript.
2440 * doc/extend.texi (Vector Extensions): Subscripting not just for C.
2442 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2444 * config/i386/i386.md (and<mode>3): Change runtime operand mode checks
2445 to compile-time "mode == <MODE>mode" checks.
2446 (and splitter): Ditto.
2448 2012-04-30 Richard Henderson <rth@redhat.com>
2450 * config/arm/arm.md (UNSPEC_LL): New.
2451 * config/arm/sync.md (atomic_loaddi, atomic_loaddi_1): New.
2452 (arm_load_exclusivedi): Use %H0.
2454 2012-04-30 Jason Merrill <jason@redhat.com>
2456 * dwarf2out.c (comdat_symbol_id): Add const.
2457 (union die_symbol_or_type_node): Add const to die_symbol.
2458 (output_die_symbol, output_die, output_comp_unit): Adjust.
2460 2012-04-30 Andrew Stubbs <ams@codesourcery.com>
2462 * config/arm/arm.md (negdi2): Use gen_negdi2_neon.
2463 * config/arm/neon.md (negdi2_neon): New insn.
2464 Also add splitters for core and NEON registers.
2466 2012-04-30 Andrew Stubbs <ams@codesourcery.com>
2468 * config/arm/arm.c (neon_valid_immediate): Allow const_int.
2469 (arm_print_operand): Add 'x' format.
2470 * config/arm/constraints.md (Dn): Allow const_int.
2471 * config/arm/neon.md (neon_mov<mode>): Use VDX to allow DImode.
2472 Use 'x' format to print constants.
2473 * config/arm/predicates.md (imm_for_neon_mov_operand): Allow const_int.
2474 * config/arm/vfp.md (movdi_vfp): Disable for const_int when neon
2476 (movdi_vfp_cortexa8): Likewise.
2478 2012-04-30 Ian Bolton <ian.bolton@arm.com>
2479 Sameera Deshpande <sameera.deshpande@arm.com>
2480 Greta Yorsh <greta.yorsh@arm.com>
2482 * config/arm/arm-protos.h (ldm_stm_operation_p): New declaration.
2483 * config/arm/arm.c (ldm_stm_operation_p): New function.
2484 * config/arm/predicates.md (load_multiple_operation): Update predicate.
2485 (store_multiple_operation): Likewise.
2487 * config/arm/arm-protos.h (ldm_stm_operation_p): New parameters.
2488 * config/arm/arm.c (ldm_stm_operation_p): New parameters.
2489 * config/arm/predicates.md (load_multiple_operation): Add arguments.
2490 (store_multiple_operation): Likewise.
2492 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
2494 * config/i386/i386.md (and<mode>3): Expand masking operations with
2495 0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
2496 (and splitter): Split to DImode zero_extend RTX for DImode operand[0].
2498 2012-04-30 Dodji Seketeli <dodji@redhat.com>
2500 Add -Wvarargs option
2501 * builtins.c (fold_builtin_next_arg): Use OPT_Wvarargs as an
2502 argument for the various warning_at calls.
2503 * docs/invoke.texi: Update the documentation.
2505 2012-04-30 Dodji Seketeli <dodji@redhat.com>
2507 Switch -ftrack-macro-expansion=2 on by default.
2508 * docs/cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2
2511 Fix va_start related location
2512 * builtins.c (fold_builtin_next_arg): Unwinds to the first
2513 location in real source code.
2515 Make conversion warnings work on NULL with -ftrack-macro-expansion
2516 * input.h (expansion_point_location_if_in_system_header): Declare
2518 * input.c (expansion_point_location_if_in_system_header): Define it.
2520 Fix -Wuninitialized for -ftrack-macro-expansion
2521 * tree-ssa.c (warn_uninit): Use the spelling location of the variable
2522 declaration. Use linemap_location_before_p for source locations.
2524 Strip "<built-in>" loc from displayed expansion context
2525 * input.c (expand_location_1): When expanding to spelling location
2526 in a context of a macro expansion, skip reserved system header
2527 locations. Update comments. * tree-diagnostic.c
2528 (maybe_unwind_expanded_macro_loc): Likewise.
2530 Make expand_location resolve to locus in main source file
2531 * input.c (expand_location_1): New. Takes a parameter to choose
2532 whether to resolve the location to spelling or expansion point.
2533 Was factorized from ...
2534 (expand_location): ... here.
2535 (expand_location_to_spelling_point): New. Implemented in terms of
2537 * diagnostic.c (diagnostic_build_prefix): Use the new
2538 expand_location_to_spelling_point instead of expand_location.
2540 Fix PCH crash on GTYed pointer-to-scalar field of a struct
2541 * gengtype.c (write_types_process_field): Force second argument of
2542 the call to the PCH object hierarchy walker to be 'x'.
2544 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
2546 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
2547 predicate to discriminate types.
2549 2012-04-30 Manuel López-Ibáñez <manu@gcc.gnu.org>
2551 * doc/invoke.texi (Wmissing-format-attribute): Document as an
2552 alias of Wsuggest-attribute=format.
2553 * c-typeck.c (convert_for_assignment): Replace
2554 Wmissing-format-attribute with Wsuggest-attribute=format.
2555 (digest_init): Likewise.
2557 2012-04-29 Manuel López-Ibáñez <manu@gcc.gnu.org>
2559 * opts.c (finish_options): Do not handle -Wmissing-noreturn here.
2560 * common.opt (Wmissing-noreturn): Alias of
2561 -Wsuggest-attribute=noreturn.
2563 2012-04-29 Hans-Peter Nilsson <hp@axis.com>
2566 * config/cris/cris.md (andqu): New peephole2.
2567 (andu): Tweak head comment.
2569 2012-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
2570 Steven Bosscher <steven@gcc.gnu.org>
2571 Maxim Kuvyrkov <maxim@codesourcery.com>
2573 PR tree-optimization/38785
2574 * common.opt (ftree-partial-pre): New option.
2575 * doc/invoke.texi: Document it.
2576 * opts.c (default_options_table): Initialize flag_tree_partial_pre.
2577 * tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
2579 (execute_pre): Use flag_tree_partial_pre.
2581 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2584 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
2587 2012-04-27 Ollie Wild <aaw@google.com>
2589 * doc/invoke.texi (Wliteral-suffix): Document new option.
2591 2012-04-27 Tom Tromey <tromey@redhat.com>
2593 * dwarf2out.c (dwarf_stack_op_name): Use get_DW_OP_name.
2594 (dwarf_tag_name): Use get_DW_TAG_name.
2595 (dwarf_attr_name): Use get_DW_AT_name.
2596 (dwarf_form_name): Use get_DW_FORM_name.
2597 * dwarf2cfi.c (dwarf_cfi_name): Use get_DW_CFA_name.
2599 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
2601 * tree-ssa-phiopt.c (conditional_replacement): Replace PHIs whose
2602 arguments are -1 and 0, by negating the result of the conditional.
2604 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
2607 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
2609 2012-04-27 Richard Guenther <rguenther@suse.de>
2611 * tree-flow.h (is_hidden_global_store): Remove.
2612 * tree-ssa-sink.c (is_hidden_global_store): Likewise.
2613 * tree-ssa-alias.h (ref_may_alias_global_p): Declare.
2614 (stmt_may_clobber_global_p): Likewise.
2615 * tree-ssa-alias.c (ref_may_alias_global_p): New function.
2616 (stmt_may_clobber_global_p): Likewise.
2617 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Call
2618 stmt_may_clobber_global_p.
2619 * tree-ssa-dse.c (dse_possible_dead_store_p): Likewise.
2621 2012-04-27 Steven Bosscher <steven@gcc.gnu.org>
2623 * cfg.c (disconnect_src): Do df_mark_solutions_dirty in the right
2626 * tree-switch-conversion.c (struct switch_conv_info): Add range_max,
2627 reorganize some fields and update comments. Rename bit_test_uniq
2628 and bit_test_count to uniq resp. count. Remove bit_test_bb.
2629 (collect_switch_conv_info): New function, collects info about a
2630 GIMPLE_SWITCH into a struct switch_conv_info.
2631 (check_range): Simplify to use pre-recorded info. Fix think-o in
2632 range-branch ratio check.
2633 (check_process_case): Remove function.
2634 (check_all_empty_except_final): New function, verifies that all
2635 non-final basic blocks are empty.
2636 (process_switch): Simplify to use pre-recorded info. Call
2637 collect_switch_conv_info to do that. Assert that degenerate switch
2638 statements have been cleaned up.
2640 2012-04-27 Marc Glisse <marc.glisse@inria.fr>
2643 * tree-ssa-forwprop.c (combine_conversions): Handle INT->FP->INT.
2645 2012-04-25 Manuel López-Ibáñez <manu@gcc.gnu.org>
2648 * c-typeck.c (pop_init_level): Use %qD instead of %qT.
2650 2012-04-27 Tom de Vries <tom@codesourcery.com>
2652 PR tree-optimization/51879
2653 * tree-ssa-sccvn.h (struct vn_reference_s): Add result_vdef field.
2654 * tree-ssa-sccvn.c (mark_use_processed): New function, factored out
2656 (defs_to_varying): ... here. Don't set use_processed.
2657 (visit_reference_op_call): Handle gimple_vdef.
2658 Handle case that lhs is NULL_TREE.
2659 (visit_use): Use mark_use_processed. Handle calls with side-effect
2660 using visit_reference_op_call.
2662 2012-04-26 Richard Sandiford <richard.sandiford@linaro.org>
2664 * sched-deps.c (fixup_sched_groups): Rename to...
2665 (chain_to_prev_insn): ...this.
2666 (chain_to_prev_insn_p): New function.
2667 (deps_analyze_insn): Use it instead of SCHED_GROUP_P.
2669 2012-04-26 Richard Sandiford <richard.sandiford@linaro.org>
2671 * sched-int.h (_haifa_insn_data): Move priority_status.
2673 (INSN_MODEL_INDEX): New macro.
2674 * haifa-sched.c (insn_delay): New function.
2675 (sched_regno_pressure_class): Update commentary.
2676 (mark_regno_birth_or_death): Pass the liveness bitmap and
2677 pressure array as arguments, instead of using curr_reg_live and
2678 curr_reg_pressure. Only update the pressure if the bit in the
2679 liveness set has changed.
2680 (initiate_reg_pressure_info): Always trust the live-in set for
2681 SCHED_PRESSURE_MODEL.
2682 (initiate_bb_reg_pressure_info): Update call to
2683 mark_regno_birth_or_death.
2684 (dep_list_size): Take the list as argument.
2685 (calculate_reg_deaths): New function, extracted from...
2686 (setup_insn_reg_pressure_info): ...here.
2687 (MODEL_BAR): New macro.
2688 (model_pressure_data, model_insn_info, model_pressure_limit)
2689 (model_pressure_group): New structures.
2690 (model_schedule, model_worklist, model_insns, model_num_insns)
2691 (model_curr_point, model_before_pressure, model_next_priority):
2693 (MODEL_PRESSURE_DATA, MODEL_MAX_PRESSURE, MODEL_REF_PRESSURE)
2694 (MODEL_INSN_INFO, MODEL_INSN): New macros.
2695 (model_index, model_update_limit_points_in_group): New functions.
2696 (model_update_limit_points, model_last_use_except): Likewise.
2697 (model_start_update_pressure, model_update_pressure): Likewise.
2698 (model_recompute, model_spill_cost, model_excess_group_cost): Likewise.
2699 (model_excess_cost, model_dump_pressure_points): Likewise.
2700 (model_set_excess_costs): Likewise.
2701 (rank_for_schedule): Extend SCHED_PRIORITY_WEIGHTED ordering to
2702 SCHED_PRIORITY_MODEL. Use insn_delay. Use the order in the model
2703 schedule as an alternative tie-breaker. Update the call to
2705 (ready_sort): Call model_set_excess_costs.
2706 (update_register_pressure): Update call to mark_regno_birth_or_death.
2707 Rely on that function to check liveness rather than doing it here.
2708 (model_classify_pressure, model_order_p, model_add_to_worklist_at)
2709 (model_remove_from_worklist, model_add_to_worklist, model_promote_insn)
2710 (model_add_to_schedule, model_analyze_insns, model_init_pressure_group)
2711 (model_record_pressure, model_record_pressures): New functions.
2712 (model_record_final_pressures, model_add_successors_to_worklist)
2713 (model_promote_predecessors, model_choose_insn): Likewise.
2714 (model_reset_queue_indices, model_dump_pressure_summary): Likewise.
2715 (model_start_schedule, model_finalize_pressure_group): Likewise.
2716 (model_end_schedule): Likewise.
2717 (schedule_insn): Say when we're scheduling the next instruction
2718 in the model schedule.
2719 (schedule_insn): Handle SCHED_PRESSURE_MODEL.
2720 (queue_to_ready): Do not add instructions that are
2721 MAX_SCHED_READY_INSNS beyond the current point of the model schedule.
2722 Always allow the next instruction in the model schedule to be added.
2723 (debug_ready_list): Print the INSN_REG_PRESSURE_EXCESS_COST_CHANGE
2724 and delay for SCHED_PRESSURE_MODEL too.
2725 (prune_ready_list): Extend SCHED_PRIORITY_WEIGHTED handling to
2726 SCHED_PRIORITY_MODEL, but also take the DFA into account.
2727 (schedule_block): Call model_start_schedule and model_end_schedule.
2728 Extend SCHED_PRIORITY_WEIGHTED stall handling to SCHED_PRIORITY_MODEL.
2729 (sched_init): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
2730 to SCHED_PRESSURE_MODEL, but don't allocate saved_reg_live or
2732 (sched_finish): Update accordingly.
2733 (fix_tick_ready): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
2734 to SCHED_PRESSURE_MODEL.
2735 (add_jump_dependencies): Update call to dep_list_size.
2736 (haifa_finish_h_i_d): Fix leak of max_reg_pressure.
2737 (haifa_init_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
2738 to SCHED_PRESSURE_MODEL.
2739 * sched-deps.c (init_insn_reg_pressure_info): Likewise, but don't
2740 allocate INSN_MAX_REG_PRESSURE for SCHED_PRESSURE_MODEL.
2741 (sched_analyze_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE
2742 handling to SCHED_PRESSURE_MODEL.
2744 2012-04-26 Richard Sandiford <richard.sandiford@linaro.org>
2746 * common.opt (fsched-pressure-algorithm=): New option.
2747 * flag-types.h (sched_pressure_algorithm): New enum.
2748 * sched-int.h (sched_pressure_p): Replace with...
2749 (sched_pressure): ...this new variable.
2750 * haifa-sched.c (sched_pressure_p): Replace with...
2751 (sched_pressure): ...this new variable.
2752 (sched_regno_pressure_class, rank_for_schedule, ready_sort)
2753 (update_reg_and_insn_max_reg_pressure, schedule_insn)
2754 (debug_ready_list, prune_ready_list, schedule_block, sched_init)
2755 (sched_finish, fix_tick_ready, haifa_init_insn): Update accordingly.
2756 * sched-deps.c (init_insn_reg_pressure_info): Likewise.
2757 (sched_analyze_insn): Likewise.
2758 * sched-rgn.c (schedule_region): Likewise.
2759 * config/m68k/m68k.c (m68k_sched_variable_issue): Likewise.
2761 2012-04-26 Bernd Schmidt <bernds@codesourcery.com>
2763 * PR middle-end/52997
2764 * ira.c (find_moveable_pseudos): Call resize_reg_info.
2767 * machmode.h (CLASS_HAS_WIDER_MODES_P): True for MODE_PARTIAL_INT.
2768 * expr.c (convert_move): Honor unsignedp when extending partial int
2770 * genmodes.c (complete_mode): Don't clear component field of partial
2772 (emit_mode_inner): Don't emit it however.
2773 (calc_wider_mode): Partial int modes widen to their component.
2775 2012-04-26 David S. Miller <davem@davemloft.net>
2777 * config/sparc/niagara4.md: New file.
2778 * config/sparc/sparc.md: Include it.
2779 * config/sparc/sparc.c (niagara4_costs): New processor costs.
2780 (sparc_option_override): Use it.
2781 (sparc_use_sched_lookahead): Return 2 for niagara4.
2782 (sparc_issue_rate): Likewise.
2784 * config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
2785 (fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
2786 (fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
2787 fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to fgm_mul.
2788 (alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
2789 alignaddrldi_vis): Set type to gsr.
2790 (pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
2791 (fcmp<code><GCM:gcm_name><P:mode>_vis, cmask8<P:mode>_vis,
2792 cmask16<P:mode>_vis, cmask32<P:mode>_vis, fchksm16_vis,
2793 v<vis3_shift_patname><mode>3, fmean16_vis,
2794 fp<plusminus_insn>64_vis, <vis3_addsub_ss_patname><mode>3,
2795 fucmp<code>8<P:mode>_vis): Set type to fga.
2796 * config/sparc/ultra1_2.md: Remove refrences to fgm_cmp.
2797 * config/sparc/niagara.md: Likewise.
2798 * config/sparc/niagara2.md: Likewise.
2799 * config/sparc/ultra3.md: Likewise, and fix type matching for
2800 us3_ialuX reservation.
2802 2012-04-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2804 * reload.c (find_reloads): Change the loop nesting when trying an
2805 alternative with swapped operands.
2807 2012-04-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2809 * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
2810 comment. Delete unused parameter first_exp_point_map.
2811 (virt_loc_aware_diagnostic_finalizer): Update call.
2813 2012-04-26 Michael Hope <michael.hope@linaro.org>
2814 Richard Earnshaw <rearnsha@arm.com>
2816 * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
2817 (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
2818 (GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
2819 (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path.
2821 2012-04-25 Sriraman Tallam <tmsriram@google.com>
2823 * doc/extend.texi: Document avx2 support.
2824 * config/i386/i386.c (fold_builtin_cpu): Add avx2.
2826 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
2829 * config/cris/cris.md ("*andhi_lowpart_v32")
2830 ("*andqi_lowpart_v32"): Change first input-only operand from
2831 a (match_operand ...) to (match_dup 0). Drop alternatives with
2832 const_int-matching constraints for redundancy.
2833 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
2834 three-operand alternative.
2836 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2839 * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
2840 instead expand it as zero extension.
2842 2012-04-25 H.J. Lu <hongjiu.lu@intel.com>
2845 * dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM.
2847 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2849 * common.opt (flag_debug_types_section): Default to 0.
2850 (dwarf_version): Default to 4.
2851 (dwarf_record_gcc_switches): Default to 1.
2852 (dwarf_strict): Default to 0.
2853 * toplev.c (process_options): Don't handle dwarf_strict
2854 or dwarf_version here.
2855 * config/vxworks.c (vxworks_override_options): Don't
2856 test whether dwarf_strict or dwarf_version are negative,
2857 instead test !global_options_set.x_dwarf_*.
2858 * config/darwin.c (darwin_override_options): Default to
2860 * doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
2861 and -fno-debug-types-section are now the default.
2863 2012-04-25 Jan Hubicka <jh@suse.cz>
2865 * cgraphunit.c: Update toplevel comment.
2866 (tree_rest_of_compilation): Merge into cgraph_expand_function.
2867 (cgraph_analyze_function): Make static.
2868 (cgraph_decide_is_function_needed): Make static.
2869 (cgraph_add_new_function): Use expand_function instead of
2870 rest_of_compilation.
2871 (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
2872 verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
2874 (cgraph_inline_p): Remove.
2875 (cgraph_preserve_function_body_p): Move to ipa-inline-transform.
2876 (init_cgraph): Add comment.
2877 * cgraphbuild.c (record_reference, mark_address, mark_load,
2878 mark_store): Do not call analyze_expr hook.
2879 * cgraph.c: Update toplevel comment.
2880 (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
2881 verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
2882 Move fere from cgraphunit.c
2883 (cgraph_mark_force_output_node): Move to cgraph.h
2884 * cgraph.h: Reorder so the comments match the function placement.
2885 (cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
2886 (cgraph_mark_force_output_node): Move here from cgraph.c
2887 * tree.c (free_lang_data): Do not clear analyze_expr hook.
2888 * ipa-inline-transform.c (preserve_function_body_p): New function.
2889 (inline_transform): Update.
2890 * langhooks.c (lhd_callgraph_analyze_expr): Remove.
2891 * langhooks.h (lang_hooks_for_callgraph): Remove.
2892 (lang_hooks): Remove callgraph.
2893 * tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
2894 * varpool.c: Remove out of date comment.
2895 * langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
2896 (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
2898 2012-04-25 Jan Hubicka <jh@suse.cz>
2901 * cgraphunit.c (referred_to_p): Move ahead in file to avoid
2902 forward declaration.
2903 (cgraph_finalize_function): Finalize them here.
2904 * symtab.c (dump_symtab): Dump ctors and dtors.
2906 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2909 * stor-layout.c (get_best_mode): Don't return mode with bitsize
2910 larger than maxbits. Don't compute maxbits modulo align.
2911 Also check that unit bytes long store at bitpos / unit * unit
2912 doesn't affect bits beyond bitregion_end.
2913 * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
2914 would not fit into bitregion_start ... bitregion_end + 1 bit region.
2915 (store_split_bit_field): Decrease unit close to end of bitregion_end
2916 if access is restricted in order to avoid mutual recursion.
2918 PR tree-optimization/53058
2919 * double-int.h (double_int_max_value, double_int_min_value): New
2921 * double-int.c (double_int_max_value, double_int_min_value): New
2923 * tree-vrp.c (register_edge_assert_for_2): Compare mask for LE_EXPR
2924 or GT_EXPR with double_int_max_value instead of double_int_mask.
2926 2012-04-25 Richard Guenther <rguenther@suse.de>
2928 * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
2929 * tree-vect-loop.c (vect_transform_loop): Adjust.
2930 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
2931 the maximum number of iterations for the epilogue loop.
2932 (vect_loop_versioning): Remove case re-using the peeled epilogue loop.
2934 2012-04-25 Jakub Jelinek <jakub@redhat.com>
2937 * c-typeck.c (set_nonincremental_init,
2938 set_nonincremental_init_from_string): Pass true instead of false
2939 as IMPLICIT to add_pending_init.
2941 2012-04-25 Manuel López-Ibáñez <manu@gcc.gnu.org>
2943 * c-typeck.c (pop_init_level): Improve diagnostics.
2945 2012-04-25 Uros Bizjak <ubizjak@gmail.com>
2947 * compare-elim.c (try_eliminate_compare): Also handle operands with
2948 implicit extensions.
2950 2012-04-25 Alan Modra <amodra@gmail.com>
2952 * config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
2953 V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
2954 SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
2955 (no_global_regs_above): Delete.
2956 (no_global_regs): New function.
2957 (rs6000_savres_strategy): Handle vector regs. Use proper lr_save_p
2958 value for load multiple test.
2959 (savres_routine_syms): Increase size.
2960 (rs6000_savres_routine_name, rs6000_savres_routine_sym,
2961 ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
2962 rather than a number of boolean flags. Update all callers.
2963 (rs6000_savres_routine_name): Generate vector save/restore names.
2964 (rs6000_savres_routine_sym): Handle vector regs. Delete forward decl.
2965 (ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
2966 (rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
2967 and using_store_multiple. Expand uses. Don't always use r11 as
2968 frame reg when needed for out-of-line saves. Set up initial offset
2969 for out-of-line vector saves when buying stack frame. Handle pointer
2970 reg setup for out-of-line fp save. Emit call to out-of-line vector
2971 save function. Choose r11 or r12 for vrsave reg when available for
2973 (rs6000_output_function_prologue): Don't emit .extern for ELF.
2974 (rs6000_emit_epilogue): Choose a better frame reg when restoring
2975 from back-chain to suit out-of-line vector restore functions. Emit
2976 call to out-of-line vector restore function. Adjust register used
2977 for cr restore. Tweak pointer register setup for gpr restore.
2978 * config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
2980 * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
2981 (V_SAVE_INLINE): Define.
2982 * config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
2984 2012-04-25 Alan Modra <amodra@gmail.com>
2986 * config/rs6000/rs6000.c (rs6000_savres_strategy): Allow
2987 out-of-line save/restore for large frames. Don't disable
2988 out-of-line saves on ABI_AIX when using static chain reg.
2989 (rs6000_emit_prologue): Adjust cr_save_regno on ABI_AIX to not
2990 clobber static chain reg, and tweak for out-of-line gpr saves
2993 2012-04-25 Alan Modra <amodra@gmail.com>
2995 * config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
2996 (rs6000_emit_prologue): Use the above to catch register overlap.
2998 2012-04-25 Alan Modra <amodra@gmail.com>
3000 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete forward
3001 decl. Move logic selecting update reg to callers. Update all callers.
3002 (rs6000_emit_allocate_stack): Add copy_off param.
3003 (emit_frame_save): Don't handle reg+reg addressing.
3004 (ptr_regno_for_savres): New function, extracted from..
3005 (rs6000_emit_savres_rtx): ..here. Add lr_offset param.
3006 (rs6000_emit_prologue): Generate frame_ptr_rtx as we need it.
3007 Set frame_reg_rtx to r11 whenever r11 is needed, and merge
3008 frame offset adjustment for out-of-line save with copy from sp.
3009 Simplify condition controlling whether cr is saved early or
3010 late. Use ptr_regno_for_savres to verify correct reg is set
3011 up for out-of-line saves. Pass the actual pointer reg used to
3012 rs6000_emit_savres_rtx so rtl matches insns in out-of-line
3013 function. Rearrange spe vars so code is similar to that
3014 elsewhere in this function. Don't update frame_off when spe
3015 save code will restore r11. Use emit_frame_save for spe and
3016 gpr saves. Consolidate darwin out-of-line gpr setup with that
3017 for other abis. Don't assume frame_offset is zero and frame
3018 reg is sp when setting up altivec reg saves, and calculate
3019 exact offset requirement.
3020 (rs6000_emit_epilogue): Use HOST_WIDE_INT for frame_off. Tidy
3021 spe restore code. Consolidate darwin out-of-line gpr setup
3022 with that for other abis.
3024 2012-04-25 Alan Modra <amodra@gmail.com>
3026 * config/rs6000/rs6000.c (rs6000_frame_related): Don't emit a
3027 REG_FRAME_RELATED_EXPR note when the instruction exactly matches
3029 (emit_frame_save): Delete frame_ptr param. Rename total_size to
3031 (rs6000_emit_prologue): Add sp_off. Update rs6000_frame_related
3032 and emit_frame_save calls. Cope with possibly missing note.
3034 2012-04-24 Sriraman Tallam <tmsriram@google.com>
3036 * config/i386/i386.c (build_processor_model_struct): New function.
3037 (make_var_decl): New function.
3038 (fold_builtin_cpu): New function.
3039 (ix86_fold_builtin): New function.
3040 (make_cpu_type_builtin): New function.
3041 (ix86_init_platform_type_builtins): New function.
3042 (ix86_expand_builtin): Expand new builtins by folding them.
3043 (ix86_init_builtins): Make new builtins to detect CPU type.
3044 (TARGET_FOLD_BUILTIN): New macro.
3045 (IX86_BUILTIN_CPU_INIT): New enum value.
3046 (IX86_BUILTIN_CPU_IS): New enum value.
3047 (IX86_BUILTIN_CPU_SUPPORTS): New enum value.
3048 * config/i386/i386-builtin-types.def: New function type.
3049 * testsuite/gcc.target/builtin_target.c: New testcase.
3050 * doc/extend.texi: Document builtins.
3052 2012-04-24 Olivier Hainque <hainque@adacore.com>
3054 * common.opt (gdwarf-): Initialize dwarf_version to -1 instead of 2.
3055 * toplev.c (process_options): Default to dwarf_version 2.
3056 * config/vxworks.c (vxworks_override_options): Default to strict-dwarf
3057 and dwarf_version 2.
3059 2012-04-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3061 * tree-pretty-print.h (default_tree_printer): Do not declare.
3062 * tree-diagnostic.c: Include tree-pretty-print.h, tree-pass.h and
3064 (default_tree_diagnostic_starter): Make static.
3065 (default_tree_printer): Move to here. Make static.
3066 (tree_diagnostics_defaults): New.
3067 * tree-diagnostic.h (default_tree_diagnostic_starter): Do not declare.
3068 * tree.c (free_lang_data): Use tree_diagnostics_defaults.
3069 * toplev.c: Do not include tree-pass.h.
3070 (default_tree_printer): Move from here.
3071 (general_init): Use tree_diagnostics_defaults.
3073 2012-04-24 Chao-ying Fu <fu@mips.com>
3075 * config.gcc (mips64*-*-linux*): Append mips/linux-common.h to tm_file.
3076 (mips*-*-linux*): Append mips/linux-common.h to tm_file.
3077 * config/mips/gnu-user.h
3078 (SUBTARGET_CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC directly.
3079 (GNU_USER_TARGET_LINK_SPEC): New define.
3080 (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
3081 (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC directly.
3082 (GNU_USER_TARGET_MATHFILE_SPEC): New define.
3083 (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC and
3084 GNU_USER_TARGET_ENDFILE_SPEC.
3085 * config/mips/gnu-user64.h (LIB_SPEC): Remove.
3086 (GNU_USER_TARGET_LINK_SPEC): New define.
3087 (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
3088 * config/mips/linux-common.h: New file.
3090 2012-04-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3093 * config/rs6000/rs6000-c.c (fully_fold_convert): New function.
3094 (altivec_build_resolved_builtin): Call fully_fold_convert.
3096 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
3099 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
3101 2012-04-24 Richard Guenther <rguenther@suse.de>
3103 PR tree-optimization/53085
3104 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
3107 2012-04-24 Richard Guenther <rguenther@suse.de>
3109 * tree-if-conv.c (main_tree_if_conversion): Move bb under
3112 2012-04-24 Jim Meyering <meyering@redhat.com>
3114 * genattrtab.c (gen_attr): Avoid NULL-deref after diagnosing
3115 absence of an define_enum call.
3117 2012-04-24 Richard Guenther <rguenther@suse.de>
3119 * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): If
3120 the epilogue loop is not re-used as unvectorized version
3121 record the its maximum number of iterations.
3123 2012-04-24 Andrew Pinski <apinski@cavium.com>
3125 * tree-ssa-forwprop.c (simplify_bitwise_binary):
3126 Don't directly use def1/def2.
3128 2012-04-24 Richard Guenther <rguenther@suse.de>
3130 PR tree-optimization/53098
3131 * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
3134 2012-04-24 Andrew Pinski <apinski@cavium.com>
3137 * tree-ssa-forwprop.c (defcodefor_name): New function.
3138 (simplify_bitwise_binary): Use defcodefor_name instead of manually
3139 Simplify "( X | Y) & X" to X and "( X & Y) | X" to X.
3140 Simplify "(~X | Y) & X" to "X & Y" and
3141 "(~X & Y) | X" to "X | Y".
3143 2012-04-24 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3145 * recog.c (insn_invalid_p): Add IN_GROUP parameter and use
3146 validate_change to add clobbers if IN_GROUP is nonzero.
3147 (verify_changes): Call insn_invalid_p with IN_GROUP set to true.
3148 * recog.h (insn_invalid_p): Add IN_GROUP parameter to function
3150 * gcse.c (process_insert_insn): Call insn_invalid_p with IN_GROUP
3152 * config/s390/s390.c (insn_invalid_p): Likewise.
3154 2012-04-24 Jakub Jelinek <jakub@redhat.com>
3157 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
3158 (output_addressed_constants): Likewise.
3161 * varasm.c (get_section): Don't ICE for section conflicts with
3162 built-in section kinds.
3164 2012-04-23 DJ Delorie <dj@redhat.com>
3166 * config/s390/s390.h (LINK_SPEC): Remove, no longer needed.
3167 (LIBSTDCXX): Change to CPP2.
3169 2012-04-23 H.J. Lu <hongjiu.lu@intel.com>
3172 * opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
3175 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
3177 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
3178 (*addsi_2_zext): Ditto.
3179 (*add<mode>_3): Ditto.
3180 (*addsi_3_zext): Ditto.
3181 (*add<mode>_5): Ditto.
3183 2012-04-23 Andrew Pinski <apinski@cavium.com>
3185 * tree-ssa-forwprop.c (simplify_bitwise_binary): Simplify (A & B) OP0
3186 (C & B) to (A OP0) & B.
3188 2012-04-23 Martin Jambor <mjambor@suse.cz>
3190 * expr.c (expand_expr_real_1): Remove setting parent's alias set for
3191 temporaries created for a bitfield (reverting revision 122014).
3193 2012-04-23 Richard Guenther <rguenther@suse.de>
3195 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
3196 the condition using is_gimple_condexpr and avoid the not necessary
3198 (set_prologue_iterations): Likewise.
3199 (vect_loop_versioning): Likewise.
3201 2012-04-23 Richard Guenther <rguenther@suse.de>
3203 PR tree-optimization/53070
3204 * tree-if-conv.c (combine_blocks): Free predicates in all blocks.
3205 (main_tree_if_conversion): Verify we succeeded in that.
3207 2012-04-23 Jan Hubicka <jh@suse.cz>
3209 * lto-symtab.c (lto_cgraph_replace_node): Do not call
3210 mark_reahcable_node.
3211 * cgraph.c (cgraph_remove_node): Do not clear reachable.
3212 (cgraph_mark_reachable_node): Remove.
3213 (cgraph_mark_force_output_node): Do not set reachable.
3214 (dump_cgraph_node): Do not dump reachable.
3215 (cgraph_create_virtual_clone): Do not set reachable.
3216 * cgraph.h (cgraph_node): Remove reachable flag.
3217 (varpool_node): Remove reachable flag.
3218 (cgraph_mark_if_needed): Remove.
3219 (cgraph_mark_reachable_node): Remove.
3220 * tree-emutls.c (ipa_lower_emutls): Do not check reachable.
3221 * cgraphunit.c (cgraph_finalize_function): Do not mark node as
3223 (cgraph_add_new_function): Likewise.
3224 (cgraph_mark_if_needed): Remove.
3225 (cgraph_analyze_function): Do not set target as reachable.
3226 (process_function_and_variable_attributes): Do not care about
3228 (cgraph_analyze_functions): Do not set reachable flags.
3229 (cgraph_mark_functions_to_output): Do not check reachability.
3230 (cgraph_copy_node_for_versioning): Do not set reachable flag.
3231 (dbxout_expand_expr): Update.
3232 * c-decl.c (merge_decls): Do not track changed externs.
3233 * ipa.c: Include pointer-set.h
3234 (enqueue_cgraph_node): Use reachable pointer set.
3235 (process_references): Likewise.
3236 (cgraph_remove_unreachable_nodes): Likewise.
3237 (whole_program_function_and_variable_visibility): Do not recompute
3239 * trans-mem.c (ipa_tm_execute): Do not check reachable flag.
3241 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
3243 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
3245 2012-04-23 Richard Guenther <rguenther@suse.de>
3248 * c-typeck.c (build_binary_op): Fix typo.
3250 2012-04-23 Jakub Jelinek <jakub@redhat.com>
3252 PR tree-optimizations/52891
3253 * tree-vect-patterns.c (adjust_bool_pattern): Use
3254 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
3255 but with non-standard precision.
3257 2012-04-22 Jan Hubicka <jh@suse.cz>
3259 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL
3262 2012-04-22 Jan Hubicka <jh@suse.cz>
3264 * lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
3265 * cgraphbuild.c (record_reference, record_type_list, mark_address,
3266 mark_load, mark_store): Do not mark varpool nodes as needed.
3267 * cgraph.c (cgraph_new_nodes): Remove.
3268 (cgraph_create_function_alias): Do not mark nodes as reachable.
3269 (cgraph_add_thunk): Likewise.
3270 (cgraph_mark_reachable_node): Do not manage the queue.
3271 * cgraph.h (cgraph_node): Remove next_needed.
3272 (varpool_nodes_queue): Remove next_needed and prev_needed.
3273 (x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
3274 (cgraph_new_nodes): Declare.
3275 (x_varpool_nodes_queue, varpool_nodes_queue); Remove.
3276 (varpool_analyze_pending_decls): Remove.
3277 (varpool_analyze_node): New.
3278 (varpool_mark_needed_node): Remove.
3279 (varpool_first_variable, varpool_next_variable): New inlines.
3280 (varpool_first_static_initializer, varpool_next_static_initializer):
3282 (FOR_EACH_STATIC_VARIABLE): Remove unused walker.
3283 (varpool_first_defined_variable): New inline.
3284 (varpool_next_defined_variable): New inline
3285 (FOR_EACH_VARIABLE): Reimplement.
3286 (FOR_EACH_DEFINED_VARIABLE): Reimplement.
3287 * toplev.c (wrapup_global_declaration_2): Use analyzed instead of
3289 * cgraphunit.c (cgraph_new_nodes): Declare here.
3290 (enqueue_node): New function.
3291 (cgraph_process_new_functions): update for new
3292 node set; when constructing cgraph enqueue node for processing.
3293 (cgraph_add_new_function): Use new node set.
3294 (process_function_and_variable_attributes): Do not set varpool needed
3296 (referred_to_p): New function.
3297 (varpool_finalize_decl): Move here from varpool.c; enqueue needed node
3298 when varpool is in construction.
3299 (cgraph_analyze_functions): Rewrite.
3300 (cgraph_expand_all_functions): Update.
3301 (cgraph_output_in_order): Do not analyze pending decls; do not set
3303 (cgraph_optimize): Do not analyze pending decls.
3304 * lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects
3305 in other partition; do not mark node as needed.
3306 * dwarf2out.c (reference_to_unused): Use analyzed flag.
3307 (premark_types_used_by_global_vars_helper): Likewise.
3308 * ipa.c (process_references): Do not call varpool_mark_needed_node.
3309 (cgraph_remove_unreachable_nodes): Do not rely on varpool and
3311 (function_and_variable_visibility): Do not mark node as needed.
3312 (whole_program_function_and_variable_visibility): Likewise.
3313 * Makefile.in (gt-varpool.h): No longer needed.
3314 * passes.c (execute_one_pass, execute_ipa_pass_list): Update.
3315 (ipa_write_summaries): Do not use needed flag.
3316 * varpool.c: Do not include gt-varpool.h
3317 (x_varpool_nodes_queue, x_varpool_last_needed_node,
3318 x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
3319 x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
3321 (varpool_remove_node): Do not update the lists.
3322 (dump_varpool_node): Do not dump needed flag.
3323 (varpool_enqueue_needed_node): Remove.
3324 (varpool_mark_needed_node): Remove.
3325 (varpool_reset_queue): Remove.
3326 (varpool_finalize_decl): Move to cgraphunit.c
3327 (varpool_analyze_node): New functions based on former
3328 varpool_analyze_pending_decls.
3329 (varpool_analyze_pending_decls): Remove.
3330 (varpool_assemble_decl): Do not update the lists.
3331 (enqueue_node): New function.
3332 (varpool_remove_unreferenced_decls): Rewrite.
3333 (varpool_empty_needed_queue): Remove.
3334 (add_new_static_var): Do not mark node as needed.
3335 (varpool_create_variable_alias): Handle expansion state
3337 * except.c (output_ttype): Do not mark node as needed.
3338 * varasm.c (mark_decl_referenced): Do not use mark_needed_node.
3339 * tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
3341 * tree-switch-conversion.c (build_one_array): Likewise.
3343 2012-04-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
3346 * doc/invoke.texi (pedantic): Rename to Wpedantic.
3347 * common.opt (Wpedantic): New.
3348 (pedantic): Alias Wpedantic.
3349 * diagnostic.c (warning_at): Likewise.
3350 * c-decl.c (diagnose_mismatched_decls): Likewise.
3351 (build_array_declarator): Likewise.
3352 (mark_forward_parm_decls):
3353 (check_bitfield_type_and_width): Likewise.
3354 (grokdeclarator): Likewise.
3355 (grokfield): Likewise.
3356 (finish_struct): Likewise.
3357 (build_enumerator): Likewise.
3358 (store_parm_decls_oldstyle): Likewise.
3359 (declspecs_add_qual): Likewise.
3360 (declspecs_add_type): Likewise.
3361 (finish_declspecs): Likewise.
3362 * c-typeck.c (composite_type): Likewise.
3363 (comp_target_types): Likewise.
3364 (build_array_ref): Likewise.
3365 (pointer_diff): Likewise.
3366 (build_unary_op): Likewise.
3367 (build_conditional_expr): Likewise.
3368 (build_c_cast): Likewise.
3369 (convert_for_assignment): Likewise.
3370 (maybe_warn_string_init): Likewise.
3371 (digest_init): Likewise.
3372 (pop_init_level): Likewise.
3373 (set_init_index): Likewise.
3374 (c_finish_goto_label): Likewise.
3375 (c_finish_return): Likewise.
3376 (do_case): Likewise.
3377 (build_binary_op): Likewise.
3378 * c-parser.c (static): Likewise.
3379 (c_parser_external_declaration): Likewise.
3380 (c_parser_declaration_or_fndef): Likewise.
3381 (c_parser_static_assert_declaration_no_se): Likewise.
3382 (c_parser_enum_specifier): Likewise.
3383 (c_parser_struct_or_union_specifier): Likewise.
3384 (c_parser_struct_declaration): Likewise.
3385 (c_parser_alignas_specifier): Likewise.
3386 (c_parser_braced_init): Likewise.
3387 (c_parser_initelt): Likewise.
3388 (c_parser_compound_statement_nostart): Likewise.
3389 (c_parser_conditional_expression): Likewise.
3390 (c_parser_alignof_expression): Likewise.
3391 (c_parser_postfix_expression): Likewise.
3392 (c_parser_postfix_expression_after_paren_): Likewise.
3393 (c_parser_objc_class_instance_variables): Likewise.
3394 (c_parser_objc_method_definition): Likewise.
3395 (c_parser_objc_methodprotolist): Likewise.
3397 2012-04-22 Ian Lance Taylor <iant@google.com>
3399 * godump.c (go_output_typedef): Dump size of structs.
3401 2012-04-22 Razya Ladelsky <razya@il.ibm.com>
3403 Correcting transform_to_exit_first_loop + fix to PR46886
3404 * tree-parloops.c (transform_to_exit_first_loop): Remove
3405 setting of number of iterations according to the loop pattern.
3406 Duplicate from entry to exit->src instead of loop->latch.
3407 (pallelize_loops): Remove the condition preventing do-while loops.
3408 * tree-cfg.c (bool bb_in_region_p): New.
3409 (gimple_duplicate_sese_tail): Adjust duplication of the the subloops.
3410 Adjust redirection of the duplicated iteration.
3412 2012-04-21 Richard Sandiford <rdsandiford@googlemail.com>
3415 * rtl.def (ADDRESS): Use "i" rather than "w".
3416 * rtl.h (find_base_term): Delete.
3417 (may_be_sp_based_p): Declare.
3418 * rtl.c (rtx_code_size): Remove ADDRESS special case.
3419 * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP)
3420 (UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Move to...
3422 (find_base_term): Make static.
3423 (may_be_sp_based_p): New function.
3424 * dse.c (record_store): Use it.
3425 * store-motion.c (store_killed_in_insn): Likewise.
3427 2012-04-21 Richard Sandiford <rdsandiford@googlemail.com>
3429 * fold-const.c (fold_checksum_tree): Fix VECTOR_CST case.
3431 2012-04-21 Manuel López-Ibáñez <manu@gcc.gnu.org>
3434 * c-typeck.c (inform_declaration): New.
3435 (build_function_call_vec): Do not pretty-print
3436 expressions when caret is enabled.
3437 (convert_arguments): Use inform_declaration.
3439 2012-04-20 Jim Meyering <meyering@redhat.com>
3441 * genmodes.c (make_complex_modes): Don't truncate a mode name of
3442 length 7 or more when prepending a "C". Suggested by Richard Guenther.
3444 2012-04-20 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3446 PR rtl-optimization/44214
3447 * fold-const.c (exact_inverse): New function.
3448 (fold_binary_loc): Fold vector and complex division by constant into
3449 multiply by recripocal with flag_reciprocal_math; fold vector division
3450 by constant into multiply by reciprocal with exact inverse.
3452 2012-04-20 Jan Hubicka <jh@suse.cz>
3454 * lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of
3456 * cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
3457 (cgraph_remove_node): Update.
3458 (cgraph_mark_needed_node): Remove.
3459 (cgraph_mark_force_output_node): New.
3460 (dump_cgraph_node): Do not dump needed flag.
3461 (cgraph_node_cannot_be_local_p_1): Update.
3462 (cgraph_can_remove_if_no_direct_calls_and_refs): Update.
3463 * cgraph.h (symtab_node_base): Add force_output flag.
3464 (cgraph_node): Remove needed flag.
3465 (varpool_node): Remove force_output flag.
3466 (cgraph_mark_needed_node): Remove.
3467 (cgraph_mark_force_output_node): New.
3468 (cgraph_only_called_directly_or_aliased_p,
3469 varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
3470 * ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
3471 * cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
3472 (cgraph_add_new_function): Update.
3473 (cgraph_mark_if_needed): Update.
3474 (verify_cgraph_node): Update.
3475 (cgraph_analyze_function): Alias target is reachable.
3476 (process_function_and_variable_attributes): Update: externally_visible
3477 flag makes function reachable.
3478 (cgraph_analyze_functions): Update dumping.
3479 * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
3480 input_overwrite_node, input_varpool_node): Update streaming.
3481 * lto-streamer-out.c (produce_symtab): Use force_output.
3482 * ipa.c (process_references): Weakrefs must be processed.
3483 (cgraph_remove_unreachable_nodes): Likewise; update for new
3485 (varpool_externally_visible_p): Weakrefs are externally visible
3486 even if they are not.
3487 (function_and_variable_visibility): Update; when processing alias
3488 pair force the targets to be output.
3489 (whole_program_function_and_variable_visility): Use
3490 mark_reachable_node.
3491 * trans-mem.c (ipa_tm_mark_needed_node): Remove
3492 (ipa_tm_mark_force_output_node): New function.
3493 (ipa_tm_create_version_alias, ipa_tm_create_version): Update.
3494 * gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about
3496 * varasm.c (mark_decl_referenced): Update.
3497 (find_decl_and_mark_needed): Remove.
3498 (find_decl): New function.
3499 (weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
3500 alias targets as needed.
3501 (dump_tm_clone_pairs): Update.
3502 * tree-inline.c (copy_bb): Update check.
3503 * symtab.c (dump_symtab_base): Dump force_output.
3504 * tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
3505 * passes.c (execute_todo): Fix dumping.
3506 * varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
3507 (varpool_analyze_pending_decls): Alias target is reachable.
3508 (varpool_create_variable_alias): Finalize weakrefs.
3510 2012-04-20 Jakub Jelinek <jakub@redhat.com>
3513 * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP,
3514 UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Define.
3515 * alias.c (init_alias_targets): Use UNIQUE_BASE_VALUE_*
3516 macros instead of constants.
3517 * dse.c (record_store): Check for SP ADDRESS by comparing
3518 XWINT to UNIQUE_BASE_VALUE_SP instead of expecting
3519 XEXP to be stack_pointer_rtx.
3521 2012-04-20 Richard Guenther <rguenther@suse.de>
3523 * tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
3524 update_call_from_tree when propagating into a call.
3526 2012-04-20 Alan Modra <amodra@gmail.com>
3528 * config/rs6000/rs6000.c (rs6000_emit_savres_rtx): Formatting.
3529 (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise. Rename
3530 sp_offset to frame_off. Move world save code earlier.
3532 2012-04-20 Richard Guenther <rguenther@suse.de>
3534 PR tree-optimization/53050
3535 * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
3536 Do only one transform on COND_EXPRs at the same time.
3538 2012-04-19 Jan Hubicka <jh@suse.cz>
3540 * symtab.c (dump_symtab_base): Revert accidental checkin.
3542 2012-04-20 Alan Modra <amodra@gmail.com>
3545 * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
3546 static chain, set REST_INLINE_FPRS too.
3548 2012-04-20 Thomas Schwinge <thomas@codesourcery.com>
3550 * tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child
3553 2012-04-20 Richard Guenther <rguenther@suse.de>
3555 * tree-vect-loop.c (vect_analyze_loop_operations): Do not vectorize
3556 loops that can never run more often than the vectorization factor.
3558 2012-04-19 Jan Hubicka <jh@suse.cz>
3560 * symtab.c (dump_symtab_base): Fix dumping of asm lists.
3562 2012-04-19 David Edelsohn <dje.gcc@gmail.com>
3564 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
3566 2012-04-19 Jim Meyering <meyering@redhat.com>
3568 * genmodes.c (make_complex_modes): Avoid unnecessary use of strncpy.
3569 We verified above that the string(including trailing NUL) fits in buf,
3572 2012-04-19 Richard Guenther <rguenther@suse.de>
3574 * symtab.c (dump_symtab_base): Use TREE_STRING_POINTER
3575 for dumping DECL_SECTION_NAME.
3577 2012-04-19 Michael Matz <matz@suse.de>
3580 * tree.h (VECTOR_CST_NELTS): Use part number of types again.
3581 (struct tree_vector): Adjust GTY length.
3582 * tree.c (make_vector_stat): Don't set VECTOR_CST_NELTS.
3584 * gengtype.c (struct walk_type_data): Add in_record_p and loopcounter
3586 (walk_type, <TYPE_POINTER, TYPE_ARRAY>): Handle case where our
3587 caller emitted the length calulation already.
3588 (walk_type, <TYPE_UNION, TYPE_STRUCT>): Emit length calculations
3589 before handling any of the fields for structs.
3591 2012-04-19 Richard Guenther <rguenther@suse.de>
3593 PR tree-optimization/53031
3594 * tree-vrp.c (adjust_range_with_scev): Revert back to
3595 using max_loop_iterations.
3597 2012-04-19 Michael Matz <matz@suse.de>
3599 * diagnostic.c (emit_diagnostic): Move va_end call after user
3601 (warning, warning_at, pedwarn, permerror): Ditto.
3603 2012-04-19 Richard Guenther <rguenther@suse.de>
3605 * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
3608 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
3611 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
3612 the case *(X+const).
3614 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3616 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
3618 2012-04-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
3621 * stmt.c (warn_if_unused_value): Skip NOP_EXPR.
3622 * convert.c (convert_to_integer): Don't set TREE_NO_WARNING.
3624 2012-04-19 Richard Guenther <rguenther@suse.de>
3626 PR rtl-optimization/44688
3627 * loop-iv.c (determine_max_iter): Only return max_iter.
3628 (iv_number_of_iterations): Also use the recorded loop bound
3629 on the maximum number of iterations.
3630 * loop-unroll.c (decide_unroll_runtime_iterations): Use
3631 max_iter to avoid unrolling loops that do not roll.
3632 (decide_unroll_stupid): Likewise.
3634 2012-04-18 Steven Bosscher <steven@gcc.gnu.org>
3636 * targhooks.c (default_case_values_threshold): Fix code style nit.
3638 * stmt.c (add_case_node, expand_case): Move logic to remove/reduce
3639 case range and type folding from here...
3640 * gimplify.c (gimplify_switch_expr): ... to here. Expect NULL_TREE
3641 type, as documented in tree.def.
3643 2012-04-18 Jan Hubicka <jh@suse.cz>
3645 * cgraph.h (verify_symtab, verify_symtab_node, verify_symtab_base):
3647 * cgraphunit.c (verify_cgraph_node): Verify symtab base; do not verify
3648 cgraph hash and same comdat groups.
3649 (cgraph_optimize): Verify symbol table.
3650 * ipa.c (cgraph_remove_unreachable_nodes): Verify symbol table.
3651 (dissolve_same_comdat_group_list): Work on symtab nodes.
3652 (function_and_variable_visibility): Dissolve variable same comdat group
3654 * symtab.c: Include timevar.h
3655 (verify_symtab_base, verify_symtab_node, verify_symtab): New functions.
3657 2012-04-18 Steven Bosscher <steven@gcc.gnu.org>
3659 * tree-switch-conversion.c (info): Remove global pass info.
3660 (check_range, check_process_case, check_final_bb, create_temp_arrays,
3661 free_temp_arrays, gather_default_values, build_constructors,
3662 array_value_type, build_one_array, build_arrays, gen_def_assigns,
3663 fix_phi_nodes, gen_inbound_check): Pass info around from ...
3664 (process_switch): ... here. Unify message format. Return a const
3665 char pointer to the failure reason message.
3666 (do_switchconv): Unify message format. Update process_switch usage.
3668 * tree.def (CASE_LABEL_EXPR): Fix documentation, mention all operands.
3669 * tree-cfg.c (edge_to_cases): Fix documentation.
3671 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
3673 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
3675 2012-04-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3677 PR tree-optimization/52976
3678 * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): Delete.
3679 (possibly_move_powi): New function.
3680 (rewrite_expr_tree): Call possibly_move_powi.
3681 (rewrite_expr_tree_parallel): Likewise.
3682 (attempt_builtin_powi): Change call of add_to_ops_vec_max_rank to
3683 call add_to_ops_vec instead.
3685 2012-04-18 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3687 PR tree-optimization/52976
3688 * tree-ssa-reassoc.c (stmt_is_power_of_op): New function.
3689 (decrement_power): Likewise.
3690 (propagate_op_to_single_use): Likewise.
3691 (zero_one_operation): Handle __builtin_pow* calls in linearized
3692 expression trees; factor logic into propagate_op_to_single_use.
3693 (undistribute_ops_list): Allow operands with repeat counts > 1.
3695 2012-04-18 Richard Guenther <rguenther@suse.de>
3697 PR tree-optimization/44688
3698 * cfgloop.h (record_niter_bound): Declare.
3699 * tree-ssa-loop-niter.c (record_niter_bound): Export.
3700 Update the estimation with the upper bound here...
3701 (estimate_numbers_of_iterations_loop): ... instead of here.
3702 Do not forcefully reset a recorded upper bound.
3703 * tree-vect-loop-manip.c (vect_do_peeling_for_alignment):
3704 Record the maximum number of loop iterations of the prologue loop.
3706 2012-04-18 Jan Hubicka <jh@suse.cz>
3708 * lto-symtab.c (lto_cgraph_replace_node): Update.
3709 * cgraphbuild.c (record_reference, record_type_list,
3710 record_eh_tables, mark_address, mark_load, mark_store): Update.
3711 * cgraph.c (cgraph_same_body_alias, dump_cgraph_node,
3712 cgraph_create_virtual_clone, cgraph_for_node_thunks_and_aliases):
3714 * cgraph.h (symtab_node_def, symtab_node, const_symtab_node): Remove.
3715 (cgraph_alias_aliased_node, varpool_alias_aliased_node): Update.
3716 * reload.c: Fix typo in comment.
3717 * rtlanal.c: Likewise.
3718 * tree-emultls.c (gen_emutls_addr): Update.
3719 * ipa-reference.c (analyze_function): Update.
3720 * cgraphunit.c (cgraph_analyze_function,
3721 cgraph_process_same_body_aliases, assemble_thunks_and_aliases):
3723 * ipa-ref.c (ipa_record_reference): Reorg to avoid reference types.
3724 (ipa_remove_reference): Likewise.
3725 (ipa_remove_all_refering): Rename to ...
3726 (ipa_remove_all_referring): ... this one; update.
3727 (ipa_dump_references): Update.
3728 (ipa_dump_referring): Update.
3729 (ipa_clone_references): Update.
3730 (ipa_clone_refering): Rename to ...
3731 (ipa_clone_referring): ... this one; update.
3732 (ipa_ref_cannot_lead_to_return): Update.
3733 (ipa_ref_has_aliases_p): Update.
3734 * ipa-ref.h (symtab_node_def, symtab_node, const_symtab_node): New
3736 (ipa_ref_type): Remove.
3737 (ipa_ref_ptr_u): Remove.
3738 (ipa_ref): Remove referencing, refered, refered_index, refering_type
3739 and refered_type; add referring, referred and referred_index.
3740 (ipa_ref_list): Rename refering to referring.
3741 (ipa_record_reference, ipa_remove_all_referring, ipa_dump_referring,
3742 ipa_clone_references, ipa_clone_referring): Update prototypes.
3743 * lto-cgraph.c (referenced_from_other_partition_p): Update.
3744 (lto_output_ref): Update.
3745 (add_references): Update.
3746 (input_varpool_node): Update.
3747 (input_refs): Update.
3748 * ipa-ref-inline.h (ipa_ref_node): Update.
3749 (ipa_ref_varpool_node): Update.
3750 (ipa_ref_referring_node): Update.
3751 (ipa_ref_referring_varpool_node): Update.
3752 (ipa_ref_referring_ref_list): Update.
3753 (ipa_ref_referred_ref_list): Update.
3754 (ipa_ref_list_first_referring): Update.
3755 (ipa_empty_ref_list): Update.
3756 (ipa_ref_list_refering_iterate): Rename to ...
3757 (ipa_ref_list_referring_iterate): ... this one.
3758 * cse.c: Update comment.
3759 * ipa-utils.c (ipa_reverse_postorder): Update.
3760 * tree-ssa-alias.c: Update.
3761 * ipa-inline.c (reset_edge_caches): Update.
3762 (update_caller_keys): Update.
3763 * ipa-inline.h: Update comments.
3764 * jump.c: Update comment.
3765 * alias.c: Likewise.
3766 * ipa.c (process_references): Update.
3767 (cgraph_remove_unreachable_nodes): Likewise.
3768 (ipa_discover_readonly_nonaddressable_var): Likewise.
3769 (cgraph_address_taken_from_non_vtable_p): Likewise.
3770 * trans-mem.c (ipa_tm_execute): Update.
3771 * simplify-rtx.c: Fix comment.
3772 * rtl.c: Fix comment.
3773 * symtab.c (symtab_unregister_node): Update.
3774 * varpool.c (dump_varpool_node): Update.
3775 (varpool_analyze_pending_decls): Update.
3776 (assemble_aliases): Update.
3777 (varpool_for_node_and_aliases): Update.
3779 2012-04-18 Richard Guenther <rguenther@suse.de>
3781 * cfgloop.h (estimate_numbers_of_iterations_loop): Remove
3782 use_undefined_p parameter.
3783 * tree-flow.h (estimate_numbers_of_iterations): Likewise.
3784 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
3786 (estimate_numbers_of_iterations): Likewise.
3787 (estimated_loop_iterations): Adjust.
3788 (max_loop_iterations): Likewise.
3789 (scev_probably_wraps_p): Likewise.
3790 * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
3791 * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions,
3792 not max_loop_iterations.
3793 (execute_vrp): Remove explicit number of iterations estimation.
3795 2012-04-18 Enkovich Ilya <ilya.enkovich@intel.com>
3797 * config/i386/linux-common.h: New.
3799 * config.gcc: Add i386/linux-common.h before
3800 all i386/linux.h and i386/linux64.h usages.
3802 * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): New.
3803 (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
3804 * config/i386/gnu-user64.h: Likewise.
3806 * config/i386/gnu-user.common.h (GNU_USER_TARGET_CC1_SPEC): New.
3807 (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
3808 (GNU_USER_TARGET_MATHFILE_SPEC): New.
3809 (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
3811 2012-04-18 Jan Hubicka <jh@suse.cz>
3813 * cgraph.c (cgraph_node_name): Remove.
3814 (dump_cgraph_node): Use dump_symtab_base; reformat.
3815 * cgraph.h (symtab_node_asm_name, symtab_node_name, dump_symtab,
3816 debug_symtab, dump_symtab_node, debug_symtab_node, dump_symtab_base):
3818 (cgraph_node_name, varpool_node_name): Remove.
3819 (cgraph_node_asm_name, varpool_node_asm_name,
3820 cgraph_node_name, varpool_node_name): New.
3821 * tree-pass.h (TODO_dump_cgraph): Rename to ...
3822 (TODO_dump_symtab): ... this one.
3823 * ipa-cp (pass_ipa_cp): Update.
3824 * ia-reference.c (generate_summary, read_write_all_from_decl,
3825 propagate, ipa_reference_read_optimization_summary): Update.
3826 * cgraphunit.c (cgraph_analyze_functions): Update.
3827 (cgraph_optimize): Update.
3828 * ipa-ref.c (ipa_dump_references): Update.
3829 (ipa_dump_refering): Update.
3830 * ipa-inline.c (pass_ipa_inline): Update.
3831 * matrix-reorg.c (pass_ipa_matrix_reorg): Update.
3832 * ipa.c (pass_ipa_function_visibility,
3833 pass_ipa_whole_program_visibility): Update.
3834 * tree-sra.c (pass_early_ipa_sra): Update.
3835 * symtab.c: Include langhooks.h
3836 (symtab_node_asm_name): New.
3837 (symtab_node_name): New.
3838 (symtab_type_names): New static var.
3839 (dump_symtab_base): New.
3840 (dump_symtab_node, dump_symtab): New.
3841 (debug_symtab_node, debug_symtab): New.
3842 * tree-ssa-structalias.c: Dump symbol table.
3843 * pases.c (execute_todo): Handle TODO_dump_symtab instead
3844 of TODO_dump_cgraph.
3845 * varpoo.c (varpool_node_name): Remove.
3846 (dump_varpool_node): Use dump_symtab_base; reformat.
3848 2012-04-18 Manuel López-Ibáñez <manu@gcc.gnu.org>
3850 * doc/invoke.texi (Language Independent Options): @item should be
3853 2012-04-17 Richard Sandiford <rdsandiford@googlemail.com>
3856 * rtl.c (rtx_code_size): Handle ADDRESS.
3858 2012-04-17 Tom de Vries <tom@codesourcery.com>
3860 * tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
3863 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
3866 * config/i386/sync.md (atomic_<code><mode>): Rename to
3867 atomic_<logic><mode>.
3869 2012-04-17 Richard Sandiford <rdsandiford@googlemail.com>
3871 * rtl.def (ADDRESS): Turn operand into a HOST_WIDE_INT.
3872 * alias.c (reg_base_value): Expand and update comment.
3873 (arg_base_value): New variable.
3874 (unique_id): Move up file.
3875 (unique_base_value, unique_base_value_p, known_base_value_p): New.
3876 (find_base_value): Use arg_base_value and known_base_value_p.
3877 (record_set): Document REG_NOALIAS handling. Use unique_base_value.
3878 (find_base_term): Use known_base_value_p.
3879 (base_alias_check): Use unique_base_value_p.
3880 (init_alias_target): Initialize arg_base_value. Use unique_base_value.
3881 (init_alias_analysis): Use 1 as the first id for REG_NOALIAS bases.
3883 2012-04-17 Pat Haugen <pthaugen@us.ibm.com>
3885 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Remove DImode.
3887 2012-04-17 Michael Matz <matz@suse.de>
3889 PR tree-optimization/18437
3890 * tree-vectorizer.h (_stmt_vec_info.stride_load_p): New member.
3891 (STMT_VINFO_STRIDE_LOAD_P): New accessor.
3892 (vect_check_strided_load): Declare.
3893 * tree-vect-data-refs.c (vect_check_strided_load): New function.
3894 (vect_analyze_data_refs): Use it to accept strided loads.
3895 * tree-vect-stmts.c (vectorizable_load): Ditto and handle them.
3897 2012-04-17 Richard Guenther <rguenther@suse.de>
3900 * tree-eh.c (cleanup_empty_eh_merge_phis): Properly discard
3901 loops when redirecting an entry or latch edge.
3903 2012-04-17 Bernd Schmidt <bernds@codesourcery.com>
3905 * sel-sched.c (sel_global_init): Revert previous change.
3907 2012-04-17 Richard Guenther <rguenther@suse.de>
3909 * tree-flow.h (array_at_struct_end_p): Move declaration ...
3910 * tree.h (array_at_struct_end_p): ... here.
3911 * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ...
3912 * expr.c (array_at_struct_end_p): ... here. Rewrite.
3914 2012-04-17 Steven Bosscher <steven@gcc.gnu.org>
3916 * stmt.c (cost_table_, use_cost_table, cost_table_initialize,
3917 COST_TABLE): Remove.
3918 (estimate_case_costs): Remove.
3919 (expand_case): Do not call estimate_case_costs
3920 to set use_cost_table.
3921 (balance_case_nodes): Do not use use_cost_table.
3923 2012-04-16 Jan Hubicka <jh@suse.cz>
3925 * cgraph.c (cgraph_hash, assembler_name_hash): Remove.
3926 (hash_node, eq_node): Remove.
3927 (cgraph_create_node): Do not handle hashtable.
3928 (cgraph_get_node): Remove.
3929 (cgraph_insert_node_to_hashtable): Remove.
3930 (hash_node_by_assembler_name): Remove.
3931 (eq_assembler_name): Remove.
3932 (cgraph_node_for_asm): Rewrite.
3933 (cgraph_find_replacement_node): Break out from ...
3934 (cgraph_remove_node): ... here; do not maintain hashtables.
3935 (change_decl_assembler_name): Remove.
3936 (cgraph_clone_node): Do not maintain hashtables.
3937 * cgraph.h (const_symtab_node): New typedef.
3938 (cgraph_insert_node_to_hashtable): Remove.
3939 (symtab_get_node, symtab_node_for_asm,
3940 symtab_insert_node_to_hashtable): Declare.
3941 (cgraph_find_replacement_node): Declare.
3942 (cgraph_get_node, varpool_get_node): Turn into inlines.
3943 (cgraph, varpool): Work sanely on NULL pointers.
3944 (FOR_EACH_SYMBOL): New walker.
3945 * ipa-inline-transform.c (save_inline_function_body): Use
3946 symtab_insert_node_to_hashtable.
3947 * symtab.c: Include ggc.h and diagnostics.h
3948 (symtab_hash, assembler_name_hash): New static vars;
3949 (hash_node, eq_node, hash_node_by_assembler_name,
3950 eq_assembler_name, insert_to_assembler_name_hash,
3951 unlink_from_assembler_name_hash): New.
3952 (symtab_register_node): Update hashtables.
3953 (symtab_insert_node_to_hashtable): New.
3954 (symtab_unregister_node): Update hashtables.
3955 (symtab_get_node): New.
3956 (symtab_node_for_asm): New.
3957 (change_decl_assembler_name): New.
3958 * Makefile.in (symtab.o): Needs GTY.
3959 * varpool.c (varpool_hash): Remove.
3960 (hash_varpool_node, eq_varpool_node, varpool_get_node): Remove.
3961 (varpool_node): Rewrite using varpool_get_node.
3962 (varpool_remove_node): DO not maintain hashtables.
3963 (varpool_node_for_asm): Rewrite.
3965 2012-04-16 Sandra Loosemore <sandra@codesourcery.com>
3967 * doc/invoke.texi: Copy-edit to put verbs in the present tense
3968 when describing the current behavior of GCC.
3970 2012-04-16 Richard Sandiford <rdsandiford@googlemail.com>
3972 * genemit.c (gen_exp): Remove ADDRESS handling.
3973 * genoutput.c (scan_operands): Likewise.
3974 * genpeep.c (match_rtx): Likewise.
3975 * genrecog.c (add_to_sequence): Likewise.
3977 2012-04-16 David Edelsohn <dje.gcc@gmail.com>
3979 * doc/install.texi (Specific, *-ibm-aix*): Update assembler bug status.
3981 2012-04-16 Martin Jambor <mjambor@suse.cz>
3983 * tree-sra.c (build_ref_for_model): Create COMPONENT_REFs only for
3986 2012-04-16 Ulrich Weigand <ulrich.weigand@linaro.org>
3989 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
3990 hints for 'A' operand types.
3992 2012-04-16 Jan Hubicka <jh@suse.cz>
3994 * cgraph.h (symtab_node_base): Add next and previous pointers.
3995 (cgraph_node): Remove next and preivous pointers.
3996 (varpool_node): Likewise; remove next/previous GTY marker;
3997 it is not type safe.
3998 (symtab_node_def): Update GTY marker
3999 (x_cgraph_nodes, cgraph_nodes): Remove.
4000 (symtab_nodes): New function.
4001 (cgraph_order): Rename to ...
4002 (symtab_order): ... this one.
4003 (symtab_register_node, symtab_unregister_node, symtab_remove_node):
4005 (x_varpool_nodes, varpool_nodes): Remove.
4006 (FOR_EACH_STATIC_VARIABLE): Update.
4007 (symtab_function_p, symtab_variable_p): New function.
4008 (FOR_EACH_VARIABLE): Update.
4009 (varpool_first_variable, varpool_next_variable): New functions.
4010 (FOR_EACH_VARIABLE): Update.
4011 (cgraph_first_defined_function): Update.
4012 (cgraph_next_defined_function, cgraph_next_defined_function): Update.
4013 (FOR_EACH_DEFINED_FUNCTION, FOR_EACH_FUNCTION): Update.
4014 (cgraph_first_function, cgraph_next_function): New.
4015 (FOR_EACH_FUNCTION): Update.
4016 (cgraph_first_function_with_gimple_body,
4017 cgraph_next_function_with_gimple_body): Update.
4018 * symtab.c: New file.
4019 * cgraph.c: Update copyright dates.
4020 (x_cgraph_nodes, cgraph_order): Remove.
4021 (NEXT_FREE_NODE): Update.
4022 (SET_NEXT_FREE_NODE): New.
4023 (cgraph_create_node_1): Remove common code.
4024 (cgraph_create_node): Remove common code; call symtab_register_node.
4025 (cgraph_remove_node): Remove common code; call symtab_unregister-node.
4026 (cgraph_add_asm_node): Update.
4027 (cgraph_clone_node): Register new node.
4028 * cgraphunit.c (process_function_and_variable_attributes): Update.
4029 (cgraph_analyze_functions): Update.
4030 (cgraph_analyze_functions): Update.
4031 (cgraph_output_in_order): Update.
4032 * lto-cgraph.c (input_node, input_varpool_node, input_cgraph_1):
4034 * ipa-inline.c (recursive_inlining): Update.
4035 * lto-streamer-in.c (lto_input_toplevel_asms): Update.
4036 * ipa.c (cgraph_remove_unreachable_nodes): Update.
4037 * Makefile.in: Add symtab.o
4038 * varpool.c (x_varpool_nodes): Remove
4039 (varpool_node): Remove common code; call symtab_register_node.
4040 (varpool_remove_node): Remove common code; call symtab_unregister_node.
4042 2012-04-16 Richard Guenther <rguenther@suse.de>
4045 * tree.h (VECTOR_CST_NELTS): Adjust.
4046 (struct tree_vector): Add explicit length field.
4047 (make_vector_stat): Declare.
4048 (make_vector): Define.
4049 * tree.c (make_vector_stat): New function.
4050 (build_vector_stat): Use it.
4051 * tree-streamer-in.c (streamer_alloc_tree): Likewise.
4053 2012-04-16 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4055 PR tree-optimization/52976
4056 * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): New function.
4057 (undistribute_ops_list): Ops with repeat counts aren't eligible for
4059 (attempt_builtin_powi): Call add_to_ops_vec_max_rank.
4061 2012-04-16 Jan Hubicka <jh@suse.cz>
4063 * cgraph.h (FOR_EACH_VARIABLE, FOR_EACH_VARIABLE, FOR_EACH_FUNCTION):
4065 * lto-symtab.c (lto_symtab_merge_cgraph_nodes): Use FOR_EACH
4066 walkers to walk cgraph and varpool.
4067 * cgraph.c (cgraph_node_for_asm): Likewise.
4068 (dump_cgraph): Likewise.
4069 * value-prof.c (init_node_map): Likewise.
4070 * tree.c (free_lang_data_in_cgraph): Likewise.
4071 * tree-emutls.c: (ipa_lower_emutls): Likewise.
4072 * ipa-reference.c (generate_summary, propagate): Likewise.
4073 * cgraphunit.c (verify_cgraph, cgraph_process_same_body_aliases,
4074 cgraph_mark_functions_to_output, cgraph_output_in_order,
4075 output_weakrefs, cgraph_materialize_all_clones,
4076 cgraph_optimize): Likewise.
4077 * lto-cgraph.c (merge_profile_summaries): Likewise.
4078 (input_cgraph): Likewise.
4079 * ipa-pure-const.c (generate_summary): Likewise.
4080 (propagate): Likwise.
4081 * ipa-utils.c (ipa_reduced_postorder): Likewise.
4082 (ipa_free_postorder_info): Likewise.
4083 (ipa_reverse_postorder): Likewise.
4084 * ipa-inline.c (ipa_inline): Likewise.
4085 * matrix-reorg.c (find_matrices_decl): Likewise.
4086 (matrix_reorg): Likewise.
4087 * tree-vectorizer.c (increase_alignment): Likewise.
4088 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4089 (function_and_variable_visibility): Likewise.
4090 (whole_program_function_and_variable_visibility): Likewise.
4091 (ipa_cdtor_merge): Likewise.
4092 * trans-mem.c (ipa_tm_execute): Likewise.
4093 * ipa-inline-analysis.c (dump_inline_summaries): Likewise.
4094 * ipa-prop.c (ipa_print_all_jump_functions): Likewise.
4095 (ipa_print_all_params): Likewise.
4096 (ipa_update_after_lto_read): Likewise.
4097 * tree-profie.c (tree_profiling): Likewise.
4098 * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
4099 * passes.c (dump_passes): Likewise.
4100 (do_per_function): Likewise.
4101 (ipa_write_summaries): Likewise.
4102 * varpool.c (dump_varpool): Likewise.
4103 (varpool_node_for_asm): Likewise.
4104 (varpool_assemble_pending_decls): Likewise.
4106 2012-04-16 Richard Guenther <rguenther@suse.de>
4108 PR tree-optimization/52975
4109 * tree-if-conv.c (predicate_bbs): Do not simplify inverted
4110 condition but always mark it with TRUTH_NOT_EXPR.
4112 2012-04-16 Richard Guenther <rguenther@suse.de>
4114 PR tree-optimization/52975
4115 * tree-ssa-forwprop.c (combine_cond_exprs): New function.
4116 (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
4117 and VEC_COND_EXPRs. Also combine into VEC_COND_EXPRs condition.
4118 * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
4120 2012-04-14 Uros Bizjak <ubizjak@gmail.com>
4122 * config/i386/sse.md (ssse3_plusminus): New code iterator.
4123 (avx2_ph<plusminus_mnemonic>wv16hi3): Macroize insn from
4124 avx2_ph{add,adds,sub,subs}wv16hi3 using ssse3_plusminus code iterator.
4125 (ssse3_ph<plusminus_mnemonic>wv8hi3): Macroize insn from
4126 ssse3_ph{add,adds,sub,subs}wv8hi3 using ssse3_plusminus code iterator.
4127 (ssse3_ph<plusminus_mnemonic>wv4hi3): Macroize insn from
4128 ssse3_ph{add,adds,sub,subs}wv4hi3 using ssse3_plusminus code iterator.
4130 (avx2_ph<plusminus_mnemonic>dv8si3): Macroize insn from
4131 avx2_ph{add,adds,sub,subs}dv8si3 using plusminus code iterator.
4132 (ssse3_ph<plusminus_mnemonic>dv4si3): Macroize insn from
4133 ssse3_ph{add,adds,sub,subs}dv4si3 using plusminus code iterator.
4134 (ssse3_ph<plusminus_mnemonic>dv2si3): Macroize insn from
4135 ssse3_ph{add,adds,sub,subs}dv2si3 using plusminus code iterator.
4137 (xop_plus): New code iterator.
4138 (macs): New code attribute.
4140 (xop_p<macs><ssemodesuffix><ssemodesuffix>): Macroize insn from
4141 xop_pmacs{,s}{ww,dd} using xop_plus code iterator and VI24_128 mode
4143 (xop_p<macs>dql): Macroize insn from xop_pmacs{,s}dql using
4144 xop_plus code iterator.
4145 (xop_p<macs>dqh): Macroize insn from xop_pmacs{,s}dqh using
4146 xop_plus code iterator.
4147 (xop_p<macs>wd): Macroize insn from xop_pmacs{,s}wd using
4148 xop_plus code iterator.
4149 (xop_p<madcs>wd): Macroize insn from xop_pmadcs{,s}wd using
4150 xop_plus code iterator.
4152 (xop_phadd<u>bw): Macroize insn from xop_phadd{,u}bw usign
4153 any_extend code iterator.
4154 (xop_phadd<u>bd): Macroize insn from xop_phadd{,u}bd usign
4155 any_extend code iterator.
4156 (xop_phadd<u>bq): Macroize insn from xop_phadd{,u}bq usign
4157 any_extend code iterator.
4158 (xop_phadd<u>wd): Macroize insn from xop_phadd{,u}wd usign
4159 any_extend code iterator.
4160 (xop_phadd<u>wq): Macroize insn from xop_phadd{,u}wq usign
4161 any_extend code iterator.
4162 (xop_phadd<u>dq): Macroize insn from xop_phadd{,u}dq usign
4163 any_extend code iterator.
4165 2012-04-14 Tom de Vries <tom@codesourcery.com>
4167 * cfgcleanup.c (try_optimize_cfg): Replace call to delete_insn_chain by
4168 call to delete_insn. Remove code to reorder BASIC_BLOCK note and
4169 DELETED_LABEL note, and move it to ...
4170 * cfgrtl.c (delete_insn): ... here. Change return type to void.
4171 (delete_insn_and_edges): Likewise.
4172 (delete_insn_chain): Handle new return type of delete_insn. Delete
4173 chain backwards rather than forwards.
4174 * rtl.h (delete_insn, delete_insn_and_edges): Change return type to
4176 * cfglayout.c (fixup_reorder_chain): Delete unused label.
4178 2012-04-14 Jan Hubicka <jh@suse.cz>
4180 * cgraph.h: Update copyrights;
4181 (symtab_node): Turn to union typedef.
4182 (symtab_node_base): New structure.
4183 (symtab_type): Add SYMTAB_SYMBOL tag.
4184 (cgraph_node): Annotate some pinters with nested_ptr.
4185 (varpool_node): Likewise.
4186 (cgraph_local_info): Remove lto_file_data
4187 and externally_visible.
4188 (cgraph_node): Remove decl; same_comdat_group list;
4189 aux; ref_list; order; address_taken; reachable_from_other_parittion,
4190 in_other_partition; resolution.
4191 (varpool_node): Remove decl; same_comdat_group;
4192 ref_list; lto_file_data; aux; order; resolution; externally_visible;
4193 used_from_other_partition; in_other_partition.
4194 (symtab_node_def): New union.
4195 (cgraph, varpool): Update.
4196 (varpool_first_static_initializer, varpool_next_static_initializer,
4197 cgraph_only_called_directly_or_aliased_p,
4198 varpool_can_remove_if_no_refs, varpool_can_remove_if_no_refs,
4199 varpool_all_refs_explicit_p, cgraph_alias_aliased_node,
4200 varpool_alias_aliased_node, cgraph_edge_recursive_p): Update
4202 * cgraph.c: Likewise.
4203 (cgraph_hash, assembler_name_hash): Turn into symtab_node.
4204 * cgraphbuild.c: Likewise.
4205 * lto-symtab.c: Likewise.
4206 * c-gimplify.c: Likewise.
4207 * value-prof.c: Likewise.
4209 * ipa-cp.c: Likewise.
4210 * tree-emutls.c: Likewise.
4211 * ipa-inline-transform.c: Likwise.
4212 * ipa-reference.c: Likewise.
4213 * cgraphunit.c: Likewise.
4214 * ipa-ref.c: Likewise.
4215 * lto-cgraph.c: Likewise.
4216 * ipa-ref-inline.h: Likewise.
4217 * ipa-pure-const.c: Likewise.
4218 * lto-streamer-out.c: Likewise.
4219 * ipa-utils.c: Likewise.
4220 * ipa-inline.c: Likewise.
4221 * matrix-reorg.c: Likewise.
4222 * tree-eh.c: Likewise.
4223 * tree-vectorizer.c: Likewise.
4224 * ipa-split.c: Likewise.
4226 * trans-mem.c: Likewise.
4227 * ipa-inline-analysis.c: Likewise.
4228 * gimplify.c: Likewise.
4229 * cfgexpand.c: Likewise.
4230 * tree-sra.c: Likewise.
4231 * ipa-prop.c: Likewise.
4232 * varasm.c: Likewise.
4233 * tree-nested.c: Likewise.
4234 * tree-inline.c: Likewise.
4235 * tree-profile.c: Likewise.
4236 * tree-ssa-structalias.c: Likewise.
4237 * passes.c: Likewise.
4238 * varpool.c: Likewise.
4240 2012-04-14 Tom de Vries <tom@codesourcery.com>
4242 * tree-ssa-tail-merge.c (stmt_local_def): New function, factored out of
4243 same_succ_hash, with local_def inlined. Use SINGLE_SSA_DEF_OPERAND.
4244 Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT. Remove use
4246 (gsi_advance_fw_nondebug_nonlocal): New function.
4247 (local_def): Removed function.
4248 (same_succ_hash): Use stmt_local_def.
4249 (same_succ_equal): Use gsi_advance_fw_nondebug_nonlocal.
4250 (gsi_advance_bw_nondebug_nonlocal): Use stmt_local_def.
4252 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
4254 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
4255 and __ILP32__ for x32.
4257 2012-04-13 Martin Jambor <mjambor@suse.cz>
4260 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
4261 fold_ctor_reference returns a zero constant.
4263 2012-04-13 Enkovich Ilya <ilya.enkovich@intel.com>
4265 * config.gcc: Add i386/gnu-user-common.h before all
4266 i386/gnu-user.h and i386/gnu-user64.h usages.
4268 * config/i386/gnu-user-common.h: New.
4270 * config/i386/gnu-user.h (CPP_SPEC): Moved to gnu-user-common.h.
4271 (CC1_SPEC): Likewise.
4272 (ENDFILE_SPEC): Likewise.
4273 (DEFAULT_PCC_STRUCT_RETURN): Likewise.
4274 (TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Likewise.
4275 (TARGET_OS_CPP_BUILTINS): Likewise.
4276 (LIBGCC2_HAS_TF_MODE): Likewise.
4277 (LIBGCC2_TF_CEXT): Likewise.
4278 (TF_SIZE): Likewise.
4279 (TARGET_ASM_FILE_END): Likewise.
4280 (STACK_CHECK_MOVING_SP): Likewise.
4281 (STACK_CHECK_STATIC_BUILTIN): Likewise.
4282 * config/i386/gnu-user64.h: Likewise.
4284 2012-04-13 Martin Jambor <mjambor@suse.cz>
4286 * expr.c (expand_expr_real_1): Pass type, not the expression, to
4287 set_mem_attributes for a memory temporary. Do not call the function
4288 for the memory temporary created for a bitfield.
4290 2012-04-13 Alexandre Oliva <aoliva@redhat.com>
4293 * df.h (enum debug_temp_where): New.
4294 (dead_debug_init, dead_debug_finish) Declare.
4295 (dead_debug_add, dead_debug_insert_temp): Declare.
4296 (struct dead_debug_use, struct dead_debug): Moved from...
4297 * df-problems.c: ... here.
4298 (df_set_unused_notes_for_mw): Bind debug uses of unused regno
4300 (df_create_unused_note): Likewise.
4301 (df_set_dead_notes_for_mw): Move comment where it belongs.
4302 (dead_debug_init): Export.
4303 (dead_debug_reset_uses): New, factored out of...
4304 (dead_debug_finish): ...this. Export.
4305 (dead_debug_reset): Remove.
4306 (dead_debug_add): Export.
4307 (dead_debug_insert_before): Rename to...
4308 (dead_debug_insert_temp): ... this. Add where argument. Export.
4309 Locate stored value for BEFORE_WITH_VALUE. Avoid repeat inserts.
4310 Return insertion count.
4311 (df_note_bb_compute): Adjust.
4312 * dce.c (word_dce_process_block): Adjust dead debug uses.
4313 (dce_process_block): Likewise.
4315 2012-04-13 Alexandre Oliva <aoliva@redhat.com>
4317 * df-problems.c (df_note_bb_compute): Do not take note of
4318 debug uses for whose REGs we won't emit DEAD or UNUSED notes.
4320 2012-04-13 Alexandre Oliva <aoliva@redhat.com>
4323 * var-tracking.c (expand_depth): New type.
4324 (onepart_aux, expand_loc_callback_data): Change depth type to it.
4325 (loc_exp_dep_alloc): Adjust initializer.
4326 (update_depth): Use new type. Add entryvals.
4327 (vt_expand_var_loc_chain): Take note of expansions with
4328 ENTRY_VALUEs, but don't accept them right away. Run an optional
4329 second pass accepting the minimum ENTRY_VALUE count found in the
4331 (vt_expand_loc_callback, INIT_ELCD): Adjust.
4333 2012-04-13 Tom de Vries <tom@codesourcery.com>
4335 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
4336 parameters vuse and vuse_escaped.
4337 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
4338 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
4341 2012-04-13 Richard Guenther <rguenther@suse.de>
4343 PR tree-optimization/52969
4344 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
4345 the condition for the COND_EXPR and handle predicate negation
4346 by swapping the COND_EXPR arms.
4348 2012-04-13 Nick Clifton <nickc@redhat.com>
4350 * config/rl78/rl78.c (rl78_devirt_pass): Remove use of
4351 TODO_dump_func flag.
4353 2012-04-13 Andrey Belevantsev <abel@ispras.ru>
4355 PR rtl-optimization/52203
4356 PR rtl-optimization/52715
4358 Revert the 2012-03-07 fix for PR 52203.
4359 * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
4360 the insn does not modify DFA right before issuing, adjust
4361 issue_rate accordingly.
4363 2012-04-13 Richard Guenther <rguenther@suse.de>
4366 * c-typeck.c (pointer_diff): Remove bogus assert.
4368 2012-04-13 Richard Guenther <rguenther@suse.de>
4371 * convert.c (convert_to_pointer): Remove special-casing of zero.
4373 2012-04-13 Joey Ye <joey.ye@arm.com>
4375 * config/arm/constraints.md (Pe): New constraint.
4376 * config/arm/arm.md: New split for imm 256-510.
4378 2012-04-13 Terry Guo <terry.guo@arm.com>
4380 * config/arm/arm-cores.def: Added core cortex-m0plus.
4381 * config/arm/arm-tune.md: Regenerated.
4382 * config/arm/arm-tables.opt: Regenerated.
4383 * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
4385 2012-04-13 Alan Modra <amodra@gmail.com>
4388 * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
4389 tie regs on destination of sets. Delete forward declaration.
4390 (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
4391 (rs6000_emit_prologue): Likewise.
4392 (rs6000_emit_epilogue): Likewise. Use in place of gen_frame_tie
4394 (is_mem_ref): Use tie_operand to recognise stack ties.
4395 * config/rs6000/predicates.md (tie_operand): New.
4396 * config/rs6000/rs6000.md (restore_stack_block): Generate new
4398 (restore_stack_nonlocal): Likewise.
4399 (stack_tie): Update.
4400 (frame_tie): Delete.
4402 2012-04-12 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4404 * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
4405 HOST_WIDE_INT_PRINT_DEC in format strings.
4407 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
4410 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
4411 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
4412 * config/i386/sse.md (UNSPEC_VPERMVAR): New.
4413 (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
4414 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
4415 (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
4416 avx2_permvarv8si using VI4F_256 mode iterator.
4417 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
4418 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
4419 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
4420 gen_avx2_permvarv8sf.
4421 (expand_vec_perm_pshufb): Ditto.
4423 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4426 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
4427 the list of options to enable the FCFID instruction.
4428 (TARGET_EXTRA_BUILTINS): Adjust comment.
4430 2012-04-12 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4432 PR tree-optimization/18589
4433 * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
4434 (operand_entry): Add count field.
4435 (add_repeat_to_ops_vec): New function.
4436 (completely_remove_stmt): Likewise.
4437 (remove_def_if_absorbed_call): Likewise.
4438 (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
4439 (acceptable_pow_call): New function.
4440 (linearize_expr_tree): Look for builtin pow/powi calls and add operand
4441 entries with repeat counts when found.
4442 (repeat_factor_d): New struct and associated typedefs.
4443 (repeat_factor_vec): New static vector variable.
4444 (compare_repeat_factors): New function.
4445 (get_reassoc_pow_ssa_name): Likewise.
4446 (attempt_builtin_powi): Likewise.
4447 (reassociate_bb): Call attempt_builtin_powi.
4448 (fini_reassoc): Two new calls to statistics_counter_event.
4450 2012-04-12 Richard Guenther <rguenther@suse.de>
4452 * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
4453 * cgraph.h (tree_rest_of_compilation): Remove.
4454 * cgraph.c (cgraph_add_new_function): Move ...
4455 * cgraphunit.c (cgraph_add_new_function): ... here.
4456 (tree_rest_of_compilation): Make static.
4457 (cgraph_expand_function): Do not set cgraph_function_flags_ready.
4458 * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
4459 gate_all_early_local_passes, execute_all_early_local_passes,
4460 pass_early_local_passes, gate_all_early_optimizations,
4461 pass_all_early_optimizations): Move ...
4462 * passes.c (gate_all_optimizations, pass_all_optimizations,
4463 gate_all_early_local_passes, execute_all_early_local_passes,
4464 pass_early_local_passes, gate_all_early_optimizations,
4465 pass_all_early_optimizations): ... here.
4466 * tree-optimize.c (execute_free_datastructures): Remove.
4467 * tree-flow.h (execute_free_datastructures): Remove.
4468 * tree-optimize.c (execute_init_datastructures,
4469 pass_init_datastructures): Move ...
4470 * tree-ssa.c (execute_init_datastructures,
4471 pass_init_datastructures): ... here.
4472 * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
4473 execute_free_datastructures.
4475 2012-04-12 Bernd Schmidt <bernds@codesourcery.com>
4477 * dbgcnt.def (ira_move): New counter.
4478 * ira-int.h (ira_create_new_reg): Declare function.
4479 (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
4480 * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
4481 no longer static. All callers changed.
4482 * ira.c: Include "dbgcnt.h".
4483 (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
4484 move_unallocated_pseudos): New static functions.
4485 (first_moveable_pseudo, last_moveable_pseudo): New global variables.
4486 (pseudo_replaced_reg, pseudo_move_insn): New static variables.
4487 (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
4488 * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
4489 to the pseudos generated in find_moveable_pseudos.
4490 * Makefile.in (ira.o): Add $(DBGCNT_H).
4492 2012-04-12 Richard Guenther <rguenther@suse.de>
4494 PR tree-optimization/52943
4495 * tree-chrec.h (chrec_is_positive): Remove.
4496 * tree-scalar-evolution.c (chrec_is_positive): Move ...
4497 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
4498 Return false for a constant zero instead of negative.
4499 (analyze_siv_subscript_cst_affine): Handle zero difference
4500 in the initial condition explicitely.
4502 2012-04-12 Richard Guenther <rguenther@suse.de>
4504 * tree-parloops.c (parallelize_loops): Also consult the upper
4505 bound for the number of iterations.
4506 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
4507 (loop_prefetch_arrays): Likewise.
4509 2012-04-12 Richard Guenther <rguenther@suse.de>
4511 * cfgloop.h (estimated_loop_iterations_int): Ditch
4512 'conservative' parameter.
4513 (max_stmt_executions_int): Likewise.
4514 (estimated_loop_iterations): Likewise.
4515 (max_stmt_executions): Likewise.
4516 (max_loop_iterations): Declare.
4517 (max_loop_iterations_int): Likewise.
4518 (estimated_stmt_executions): Likewise.
4519 (estimated_stmt_executions_int): Likewise.
4520 * tree-ssa-loop-niter.c (estimated_loop_iterations):
4522 (max_loop_iterations): ... this.
4523 (estimated_loop_iterations_int): Split parts to ...
4524 (max_loop_iterations_int): ... this.
4525 (max_stmt_executions_int): Split parts to ...
4526 (estimated_stmt_executions_int): ... this.
4527 (max_stmt_executions): Split parts to ...
4528 (estimated_stmt_executions): ... this.
4529 * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
4530 * predict.c (predict_loops): Likewise.
4531 * tree-data-ref.c (max_stmt_executions_tree): Likewise.
4532 (analyze_siv_subscript_cst_affine): Likewise.
4533 (compute_overlap_steps_for_affine_1_2): Likewise.
4534 (analyze_subscript_affine_affine): Likewise.
4535 (init_omega_for_ddr_1): Likewise.
4536 * tree-parloops.c (parallelize_loops): Likewise.
4537 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
4538 (may_eliminate_iv): Likewise.
4539 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
4540 (loop_prefetch_arrays): Likewise.
4541 * tree-vrp.c (adjust_range_with_scev): Likewise.
4543 2012-04-12 Oleg Endo <olegendo@gcc.gnu.org>
4545 * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
4546 * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
4548 (dump_table): Use bool type for need_align and have_df variables.
4549 (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
4550 (regs_used): Remove register modifier.
4551 (barrier_align): Move variables slot, credit, jump_to_next
4552 into if block above for loop. Use bool type for jump_to_next.
4553 (sh_function_arg): Use NULL_RTX instead of 0.
4555 2012-04-11 Andreas Schwab <schwab@linux-m68k.org>
4557 * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
4558 (bswapsi2): New expander.
4560 2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
4562 * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
4563 0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
4565 2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
4567 PR rtl-optimization/52876
4568 * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
4569 Don't call mark_reg_pointer for incompatible pointer sign extension.
4571 * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
4574 2012-04-11 Bernd Schmidt <bernds@codesourcery.com>
4576 * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
4577 comparisons against TYPE_PRECISION.
4578 * tree-ssa-forwprop.c (combine_conversions): Likewise.
4580 2012-04-11 Xinliang David Li <davidxl@google.com>
4582 * tree-passes.h: Remove TODO_dump_func.
4583 * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
4584 * trans-mem.c: Remove TODO_dump_func.
4585 * ira.c: Remove TODO_dump_func.
4587 2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
4589 * config/i386/i386.c (ix86_option_override_internal): Check
4590 SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
4591 after TARGET_64BIT is updated.
4593 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
4595 * config/sh/sh.h: Remove old secondary reload code.
4597 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
4599 * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
4600 (ready_reorder): ... this function.
4602 2012-04-11 Bernd Schmidt <bernds@codesourcery.com>
4604 * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
4607 * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
4608 insns so that no other insn is queued for a time before them.
4610 * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
4613 2012-04-11 Richard Guenther <rguenther@suse.de>
4616 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
4617 consider loop nesting.
4618 (evolution_function_is_univariate_p): Properly check the remainder
4621 2012-04-11 Richard Guenther <rguenther@suse.de>
4624 * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
4626 2012-04-11 Nick Clifton <nickc@redhat.com>
4628 * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
4629 information, if requested.
4631 * config/rx/rx.c (rx_expand_prologue): Likewise.
4633 2012-04-11 Peter Bergner <bergner@vnet.ibm.com>
4634 Michael Matz <matz@suse.de>
4637 * rtlanal.c (unsigned_reg_p): New function.
4638 Update copyright notice dates.
4639 * rtl.h (unsigned_reg_p): Prototype it.
4640 Update copyright notice dates.
4641 * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
4643 * expr.c (expand_expr_real_1): Set register attributes.
4644 * stmt.c (expand_case): Likewise.
4646 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
4649 * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
4650 consider_sh2a and allow_zero.
4651 * config/sh/sh.c (sh_legitimate_index_p): Likewise.
4652 (disp_addr_displacement): New function.
4653 (sh_address_cost): Use disp_addr_displacement function instead
4654 of DISP_ADDR_OFFSET.
4655 (sh_legitimate_address_p): Adapt to changed
4656 sh_legitimate_index_p declaration.
4657 (sh_find_mov_disp_adjust): Remove HImode check.
4658 (sh_secondary_reload): Add HImode case. Use satisfies_constraint_Sdd,
4659 disp_addr_displacement and max_mov_insn_displacement.
4660 (max_mov_insn_displacement): Remove HImode check.
4661 * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
4662 DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
4663 * config/sh/constraints.md (K05, K13): New constraints.
4664 (K12): Correct comment.
4665 (Sdd): Do not use DISP_ADDR_P macro.
4666 (Snd, Sbw): Use satisfies_constraint_Sdd.
4667 * config/sh/sh.md (extendhisi2): Remove constraints from expander.
4668 (*extendhisi2_compact, movhi_i): Remove.
4669 (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
4670 *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
4671 *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
4672 *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
4673 (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
4674 *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
4675 *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
4677 Add new peepholes for HImode displacement addressing.
4679 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
4681 * config/sh/sh.h (SIDI_OFF): Remove.
4682 * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
4683 DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
4686 2012-04-11 Eric Botcazou <ebotcazou@adacore.com>
4689 * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
4690 (PowerPC AltiVec/VSX Built-in Functions): Remove it.
4691 * doc/md.texi (Standard Names): Add bswap.
4692 * builtin-types.def (BT_UINT16): New primitive type.
4693 (BT_FN_UINT16_UINT16): New function type.
4694 * builtins.def (BUILT_IN_BSWAP16): New.
4695 * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
4696 (expand_builtin) <BUILT_IN_BSWAP16>: New case. Pass TARGET_MODE to
4697 expand_builtin_bswap.
4698 (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
4699 (fold_builtin_1): Likewise.
4700 (is_inexpensive_builtin): Likewise.
4701 * optabs.c (expand_unop): Deal with bswap in HImode specially. Add
4702 missing bits for bswap to libcall code.
4703 * tree.c (build_common_tree_nodes): Build uint16_type_node.
4704 * tree.h (enum tree_index): Add TI_UINT16_TYPE.
4705 (uint16_type_node): New define.
4706 * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
4707 * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
4709 (rs6000_init_builtins): Likewise.
4710 * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
4712 2012-04-11 Tristan Gingold <gingold@adacore.com>
4714 * doc/extend.texi (Type Attributes): Move paragraph.
4716 2012-04-11 Manuel López-Ibáñez <manu@gcc.gnu.org>
4719 * diagnostic.h (show_caret): Declare.
4720 (caret_max_width): Declare.
4721 (diagnostic_show_locus): Declare.
4722 * diagnostic.c (diagnostic_initialize): Initialize to false.
4723 (diagnostic_show_locus): New.
4724 (diagnostic_report_diagnostic): Call it.
4725 (getenv_columns): New.
4727 (diagnostic_set_caret_max_width): New.
4728 * input.c (read_line): New.
4729 (location_get_source_line): New.
4730 * input.h (location_get_source_line): Declare.
4731 * toplev.c (general_init): Initialize show_caret from options.
4732 * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
4733 * opts.c (common_handle_option): Likewise.
4734 * pretty-print.h (pp_get_prefix): New.
4735 (pp_base_get_prefix): New.
4736 * common.opt (fdiagnostics-show-caret): New option.
4737 * doc/invoke.texi (fdiagnostics-show-caret): Document it.
4739 2012-04-11 Richard Guenther <rguenther@suse.de>
4741 PR rtl-optimization/52881
4742 * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
4744 2012-04-11 Richard Guenther <rguenther@suse.de>
4746 PR tree-optimization/52912
4747 * tree-ssa-threadupdate.c (thread_block): Tell the cfg
4748 manipulation code we are threading through a loop header
4749 to an exit destination.
4751 2012-04-10 Manuel López-Ibáñez <manu@gcc.gnu.org>
4753 * tree.h (warn_if_unused_value): Move declaration from here.
4754 * stmt.c (warn_if_unused_value): Move definition from here.
4756 2010-04-10 Michael Matz <matz@suse.de>
4758 * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
4760 (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
4761 (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
4762 (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
4763 (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
4764 (vect_strided_store_supported): Rename to vect_grouped_store_supported.
4765 (vect_strided_load_supported): Rename to vect_grouped_load_supported.
4766 (vect_transform_strided_load): Rename to vect_transform_grouped_load.
4767 (vect_record_strided_load_vectors): Rename to
4768 vect_record_grouped_load_vectors.
4769 * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
4770 Rename use of above macros.
4771 (vect_verify_datarefs_alignment): Ditto.
4772 (vector_alignment_reachable_p): Ditto.
4773 (vect_peeling_hash_get_lowest_cost): Ditto.
4774 (vect_enhance_data_refs_alignment): Ditto.
4775 (vect_analyze_group_access): Ditto and rename stride to groupsize.
4776 (vect_analyze_data_ref_access): Rename "strided" to "grouped".
4777 (vect_strided_store_supported): Rename to vect_grouped_store_supported.
4778 (vect_strided_load_supported): Rename to vect_grouped_load_supported.
4779 (vect_transform_strided_load): Rename to vect_transform_grouped_load.
4780 (vect_record_strided_load_vectors): Rename to
4781 vect_record_grouped_load_vectors.
4782 * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
4783 (destroy_loop_vec_info): Ditto.
4784 (vect_transform_loop): Ditto and rename strided_store to grouped_store.
4785 * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
4786 (vect_analyze_slp): Ditto.
4787 (new_bb_vec_info): Ditto.
4788 (destroy_bb_vec_info): Ditto.
4789 (vect_schedule_slp_instance): Ditto and rename strided_store to
4791 * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
4792 vect_cost_group_size.
4793 (vect_model_store_cost): Rename use of above macros and call
4794 to vect_cost_strided_group_size.
4795 (vect_model_load_cost): Ditto.
4796 (vectorizable_store): Ditto, rename strided_store to grouped_store
4797 and calls to renamed tree-vectorizer.h functions.
4798 (vectorizable_load): Ditto.
4799 (vect_transform_stmt): Rename use of above macros and strided_store
4802 2012-04-10 Jan Hubicka <jh@suse.cz>
4804 * cgraph.h: Remove misledaing comment on ipa-ref.h.
4805 (symtab_type): New enum.
4806 (symtab_node): New structure.
4807 (cgraph_node, varpool_node): Add symbol base type.
4808 (cgraph, varpool): New accestor functions.
4809 * cgraph.c (cgraph_create_node_1): Set symbol type.
4810 * varpool.c (varpool_node): Set symbol type.
4812 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
4813 Richard Sandiford <rdsandiford@googlemail.com>
4815 * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
4817 2012-04-10 Richard Guenther <rguenther@suse.de>
4820 * gimple-low.c (gimple_check_call_args): Properly account for
4821 compatible aggregate types.
4823 2012-04-10 Richard Guenther <rguenther@suse.de>
4825 * toplev.h (tree_rest_of_compilation): Remove.
4826 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4827 * cgraph.h (tree_rest_of_compilation): Declare.
4828 * tree-optimize.c (tree_rest_of_compilation): Move ...
4829 * cgraphunit.c (tree_rest_of_compilation): ... here.
4830 * cgraph.c (cgraph_add_new_function): Adjust.
4831 * Makefile.in (tree-optimize.o): Adjust.
4832 (cgraphunit.o): Likewise.
4834 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
4836 PR tree-optimization/52870
4837 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
4838 presumed pattern statement is within the same loop or basic block.
4840 2012-04-10 Tristan Gingold <gingold@adacore.com>
4842 * gengtype.c (main): Make uintptr_t a known type.
4844 2012-04-10 Richard Guenther <rguenther@suse.de>
4846 * tree-pass.h (tree_lowering_passes): Remove.
4847 * tree-optimize.c (tree_lowering_passes): Remove.
4848 * cgraph.c (cgraph_add_new_function): Inline relevant parts
4849 of tree_lowering_passes, avoid redundant call of early local passes.
4850 * cgraphunit.c (cgraph_lower_function): Fold into ...
4851 (cgraph_analyze_function): ... its single caller. Inline
4852 relevant parts of tree_lowering_passes.
4854 2012-04-09 H.J. Lu <hongjiu.lu@intel.com>
4857 * config/pa/pa.opt: Remove SIO and GNU_LD.
4859 2012-04-09 Jan Hubicka <jh@suse.cz>
4864 * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
4865 boundary, add its target too.
4866 * lto.c (add_references_to_partition): Add also aliased nodes.
4867 (add_cgraph_node_to_partition,
4868 add_varpool_node_to_partition): Work on nodes, not functions/variables;
4869 when adding alias, add also the aliased object.
4871 2012-04-09 Uros Bizjak <ubizjak@gmail.com>
4874 * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
4875 VOIDmode immediate operands.
4876 * config/i386/constraints.md (Wz): New constraint.
4877 * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
4879 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
4882 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
4883 the DECL generated for the special GOT helper.
4885 2012-04-09 Oleg Endo <olegendo@gcc.gnu.org>
4887 * config/sh/constraints.md: Update list of constraints in
4889 (Sr0): Remove unused memory constraint.
4891 2012-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
4893 * tree-pretty-print.h: Update comment.
4895 2012-04-08 Oleg Endo <olegendo@gcc.gnu.org>
4897 * config/sh/sh.md: Use braced string notation where applicable.
4898 (*prefetch_i4, prefetch_m2a): Merge into ...
4899 (*prefetch): ... this new insn.
4901 2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
4903 * config/sh/sh.h (high_life_started): Remove
4904 * config/sh/predicates.md (general_movdst_operand): Use
4905 'reload_in_progress' instead of 'high_life_started'.
4906 * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
4907 divsi_inv_fp): Likewise.
4909 2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
4911 * config/sh/sh-protos.h (prepare_move_operands): Return void
4913 * config/sh/sh.c (prepare_move_operands): Likewise.
4914 * config/sh/sh.md: Remove return value checks of prepare_move_operands.
4916 2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
4918 * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
4919 general_movsrc_operand, general_movdst_operand, arith_reg_operand,
4920 fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
4921 logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
4922 commutative_float_operator, noncommutative_float_operator,
4923 sh_handle_pragma): Remove.
4925 2012-04-06 Sandra Loosemore <sandra@codesourcery.com>
4927 * doc/invoke.texi: Clean up Texinfo markup throughout the file.
4928 Use @option markup on command-line options. Use @samp markup on
4929 literal keywords to options. Use @code markup on code fragments.
4930 Use other markup in preference to quotation marks in the text.
4931 Add markup to some passages without any.
4933 2012-04-06 Mike Stump <mikestump@comcast.net>
4935 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
4937 2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
4939 * config/sh/sh.c (hi_const): Remove.
4940 (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
4943 2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
4945 * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
4947 * config/sh/sh.c (sh_expand_t_scc): Likewise.
4948 * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
4949 calling sh_expand_t_scc.
4951 2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
4953 * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
4954 nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
4955 sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
4956 reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
4957 sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
4958 sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
4959 check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
4960 sh2a_is_function_vector_call): Use bool as return type.
4961 (sh_pass_in_reg_p): Remove.
4962 * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
4963 flow_dependent_p, sh2a_function_vector_p, expand_block_move,
4964 expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
4965 sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
4966 sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
4967 sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
4968 fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
4969 sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
4970 sh_loads_bankedreg_p): Use bool as return type.
4971 (nonpic_symbol_mentioned_p): Use bool as return type. Remove
4972 'register' modifier.
4974 2012-04-06 Matt Turner <mattst88@gmail.com>
4976 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
4978 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
4980 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
4981 of the destination isn't also a FP_REGS register.
4983 2012-04-05 Teresa Johnson <tejohnson@google.com>
4984 H.J. Lu <hongjiu.lu@intel.com>
4986 * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
4987 * config/i386/i386.md (move immediate to memory peephole2):
4988 Add cases for HImode move when LCP stall avoidance is needed.
4989 * config/i386/i386.c (initial_ix86_tune_features): Initialize
4990 X86_TUNE_LCP_STALL entry.
4992 2012-04-05 Uros Bizjak <ubizjak@gmail.com>
4995 * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
4996 CONST_INT operands, zero-extended with AND.
4998 2012-04-05 Oleg Endo <olegendo@gcc.gnu.org>
5001 * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
5002 first argument instead of mode size. Move displacement calculations
5004 (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
5005 ... these new functions.
5006 (disp_adjust): Remove max_mov_disp field.
5007 (sh_legitimate_index_p): Use max_mov_insn_displacement and
5008 mov_insn_alignment_mask.
5009 (sh_address_cost): Use max_mov_insn_displacement.
5011 2012-04-05 Andrew Stubbs <ams@codesourcery.com>
5013 * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
5014 (arch_enabled): Handle new arch types.
5015 (one_cmpldi2): Add NEON support.
5017 2012-04-05 Richard Guenther <rguenther@suse.de>
5019 * gimple.c (walk_gimple_op): Compute val_only for the LHS
5020 of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
5021 (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
5022 * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
5023 ... here and make static.
5024 * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
5027 2012-04-05 Richard Guenther <rguenther@suse.de>
5029 * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
5030 basic-block before removing it.
5032 2012-04-05 Richard Guenther <rguenther@suse.de>
5034 * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
5035 version namespace as we release the freelist.
5037 2012-04-05 Richard Guenther <rguenther@suse.de>
5039 * tree-nrv.c (tree_nrv): Release VDEFs.
5040 * tree-sra.c (sra_modify_constructor_assign): Likewise.
5041 (sra_modify_assign): Likewise.
5042 * tree-vect-stmts.c (vect_remove_stores): Likewise.
5043 * tree-vect-loop.c (vect_transform_loop): Likewise.
5044 * tree-ssa-dom.c (optimize_stmt): Likewise.
5045 * tree-vect-slp.c (vect_schedule_slp): Likewise.
5046 * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
5048 2012-04-05 Richard Guenther <rguenther@suse.de>
5050 * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
5052 * gimple.h (gsi_remove): Adjust.
5053 * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
5054 * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
5055 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5056 * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
5057 * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
5058 * tree-ssa-pre.c (eliminate): Likewise.
5060 2012-04-04 Mike Stump <mikestump@comcast.net>
5062 * doc/rtl.texi (const_double): Document as sign-extending.
5063 * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
5064 * emit-rtl.c (immed_double_int_const): Refine to state the
5066 * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
5067 CONST_DOUBLE integers.
5068 (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
5069 negative values are converted. Fix conversions bigger than
5070 HOST_BITS_PER_WIDE_INT.
5071 (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
5072 (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
5073 * explow.c (plus_constant_mode): Add.
5074 (plus_constant): Implement with plus_constant_mode.
5075 * rtl.h (plus_constant_mode): Add.
5077 2012-04-04 Richard Guenther <rguenther@suse.de>
5079 PR tree-optimization/52808
5080 * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
5081 * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
5083 2012-04-04 Tristan Gingold <gingold@adacore.com>
5085 * expr.c (expand_expr_real_2): Handle larger sizetype in
5088 2012-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
5090 * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
5091 to m2a-single instead of m2e.
5093 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
5095 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
5096 Change type of BITOFFSET to signed. Make sure the lower bound of
5097 the computed range is non-negative by adjusting OFFSET and BITPOS.
5098 (expand_assignment): Adjust call to get_bit_range.
5100 2012-04-03 Sandeep Kumar Singh <Sandeep.Singh2@kpitcummins.com>
5102 * h8300/h8300.c (h8300_current_function_monitor_function_p):
5103 New function. Added to check monitor functions.
5104 (h8300_option_override): Modified to generate error/warning
5105 messages for invalid combinations of different command line
5107 * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
5108 save EXR on stack for monitor function in case of H8S target
5109 when "-mno-exr" is passed.
5110 * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
5112 * doc/invoke.texi: Document H8S options.
5114 2012-04-03 Tristan Gingold <gingold@adacore.com>
5116 * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
5117 of gcc_AC_FUNC_MMAP_BLACKLIST.
5118 * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
5119 * Makefile.in (aclocal_deps): Add mmap.m4.
5120 * configure: Regenerate.
5121 * aclocal.m4: Regenerate.
5123 2012-04-03 Richard Guenther <rguenther@suse.de>
5125 PR tree-optimization/52808
5126 * tracer.c (tail_duplicate): Return whether we have duplicated
5128 (tracer): If we have duplicated any block, cleanup the CFG.
5129 * cfghooks.c (duplicate_block): If we duplicated a loop
5130 header but not its loop, destroy the loop because it now has
5132 * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
5133 the cfg manipulation routines we are not creating a multiple
5136 2012-04-03 Tristan Gingold <gingold@adacore.com>
5138 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
5140 (vms_c_common_override_options): Allow parameterless variadic
5143 2012-04-03 Jakub Jelinek <jakub@redhat.com>
5145 PR tree-optimization/52835
5146 * tree-data-ref.c (build_rdg): Return NULL if
5147 compute_data_dependences_for_loop failed.
5149 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
5151 * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
5152 for REAL_CST as well.
5153 (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
5154 In the bitfield case, if the value is a REAL_CST, convert it first to
5157 2012-04-02 H.J. Lu <hongjiu.lu@intel.com>
5159 * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
5160 for --with-abi={x32|mx32} or --with-multilib-list=mx32.
5161 (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
5163 * config/i386/biarchx32.h: New.
5165 2012-04-02 Anatoly Sokolov <aesok@post.ru>
5167 * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
5168 * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
5169 (arm_preferred_reload_class): New function.
5171 2012-04-02 Richard Guenther <rguenther@suse.de>
5173 PR tree-optimization/52756
5174 * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
5175 (thread_through_loop_header): After threading through the loop latch
5176 remove the split part from the loop and clear further threading
5177 opportunities that would create a multiple entry loop.
5179 2012-04-02 Richard Guenther <rguenther@suse.de>
5181 PR rtl-optimization/52800
5182 * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
5183 CLEANUP_CFG_CHANGED.
5185 2012-04-02 Richard Guenther <rguenther@suse.de>
5188 * loop-init.c (gate_handle_loop2): Destroy loops here if
5189 we don't enter RTL loop optimizers.
5191 2012-04-02 Uros Bizjak <ubizjak@gmail.com>
5194 2012-03-29 Richard Guenther <rguenther@suse.de>
5196 * rtl.h (extended_count): Remove.
5197 * combine.c (extended_count): Remove.
5199 2012-04-02 Dodji Seketeli <dodji@redhat.com>
5202 * pt.c (more_specialized_fn): Don't apply decay conversion to
5203 types of function parameters.
5205 2012-04-02 Tristan Gingold <gingold@adacore.com>
5207 * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
5208 (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
5209 (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
5210 (ggc_pch_this_base): Use uintptr_t instead of size_t.
5212 2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
5215 * config/i386/i386.c (ix86_option_override_internal): Don't
5216 check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
5218 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
5220 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
5221 (stmt_can_make_abnormal_goto): Use it.
5222 (is_ctrl_altering_stmt): Likewise.
5224 2012-03-30 Naveen H.S <naveen.S@kpitcummins.com>
5225 Kaz Kojima <kkojima@gcc.gnu.org>
5227 * config/sh/sh.c (push_regs): Skip banked registers when
5228 resbank attribute is specified.
5229 (sh_expand_epilogue): Likewise.
5231 2012-03-30 Richard Henderson <rth@redhat.com>
5234 * combine-stack-adj.c (prev_active_insn_bb): New.
5235 (next_active_insn_bb): New.
5236 (force_move_args_size_note): New.
5237 (combine_stack_adjustments_for_block): Use it.
5239 2012-03-30 Richard Henderson <rth@redhat.com>
5241 * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
5242 (ix86_expand_vector_init_duplicate): Initialize it.
5243 (expand_vec_perm_palignr): Likewise.
5244 (ix86_expand_vec_perm_const): Likewise.
5245 (ix86_vectorize_vec_perm_const_ok): Likewise.
5246 (expand_vec_perm_blend): Use it.
5247 (expand_vec_perm_vpermil): Likewise.
5248 (expand_vec_perm_pshufb): Likewise.
5249 (expand_vec_perm_1): Likewise.
5250 (expand_vec_perm_pshuflw_pshufhw): Likewise.
5251 (expand_vec_perm_interleave2): Likewise.
5252 (expand_vec_perm_vpermq_perm_1): Likewise.
5253 (expand_vec_perm_vperm2f128): Likewise.
5254 (expand_vec_perm_interleave3): Likewise.
5255 (expand_vec_perm_vperm2f128_vblend): Likewise.
5256 (expand_vec_perm_vpshufb2_vpermq): Likewise.
5257 (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
5258 (expand_vec_perm_broadcast): Likewise.
5259 (expand_vec_perm_vpshufb4_vpermq2): Likewise.
5261 2012-03-30 Richard Henderson <rth@redhat.com>
5263 * dwarf2out.c (gen_variable_die): Initialize off.
5265 2012-03-30 Tristan Gingold <gingold@adacore.com>
5267 * config/vms/vms-f.c: New file.
5268 * config/vms/t-vms (vms-f.o): New rule.
5269 * config.gcc (*-*-*vms*): Define fortran_target_objs.
5271 2012-03-30 Richard Guenther <rguenther@suse.de>
5273 PR tree-optimization/52754
5274 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
5275 propagate arbitrary addresses into really plain dereferences.
5277 2012-03-30 Richard Guenther <rguenther@suse.de>
5280 * except.c (emit_to_new_bb_before): Move loop updating ...
5281 (dw2_build_landing_pads): ... here. Use a proper block for
5282 querying the loop father.
5284 2012-03-30 Tristan Gingold <gingold@adacore.com>
5286 * config/ia64/ia64.c (ia64_section_type_flags): Remove
5287 common_object attribute handling.
5288 (SECTION_VMS_OVERLAY): Remove
5289 (ia64_vms_common_object_attribute): Replace abort with an assert.
5290 Do not set DECL_SECTION_NAME.
5291 (ia64_vms_output_aligned_decl_common): Handle common_object
5293 (ia64_vms_elf_asm_named_section): Remove.
5294 * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
5296 2012-03-30 Richard Guenther <rguenther@suse.de>
5299 * double-int.c (rshift_double): Remove not needed cast.
5301 2012-03-30 Richard Guenther <rguenther@suse.de>
5303 * tree-affine.h (print_aff): Remove.
5304 * tree-affine.c (print_aff): Make static.
5305 * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
5306 (get_references_in_stmt): Likewise.
5307 (print_direction_vector): Likewise.
5308 (print_dir_vectors): Likewise.
5309 (print_dist_vectors): Likewise.
5310 (dump_subscript): Likewise.
5311 (dump_ddrs): Likewise.
5312 (dump_dist_dir_vectors): Likewise.
5313 (dump_data_references): Likewise.
5314 (dump_data_dependence_relation): Likewise.
5315 (dump_data_dependence_direction): Likewise.
5316 (dump_rdg_vertex): Likewise.
5317 (dump_rdg_component): Likewise.
5318 (debug_ddrs): Declare.
5319 (struct data_ref_loc_d): Move ...
5320 * tree-data-ref.c (struct data_ref_loc_d): ... here.
5321 (get_references_in_stmt): Make static.
5322 (dump_data_references): Likewise.
5323 (dump_subscript): Likewise.
5324 (print_direction_vector): Likewise.
5325 (print_dir_vectors): Likewise.
5326 (print_dist_vectors): Likewise.
5327 (dump_data_dependence_relation): Likewise.
5328 (dump_dist_dir_vectors): Likewise.
5329 (dump_ddrs): Likewise.
5330 (dump_rdg_vertex): Likewise.
5331 (dump_rdg_component): Likewise.
5332 (debug_ddrs): New function.
5333 (access_matrix_get_index_for_parameter): Remove.
5335 2012-03-30 Tristan Gingold <gingold@adacore.com>
5337 * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
5338 (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
5339 (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
5340 (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
5341 (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
5342 (vms_patch_builtins): Handle new flags
5343 * config/vms/vms-crtlmap.map: Completed using nm on
5344 c and math system libraries.
5345 * config/vms/make-crtlmap.awk: Handle any number of flags.
5347 2012-03-30 Martin Jambor <mjambor@suse.cz>
5349 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
5350 is a builtin_stack_save in a dominating BB.
5352 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
5354 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
5355 crossing 128bit lane boundary.
5357 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
5359 * ira-color.c (setup_left_conflict_sizes_p): Process all
5360 conflicting objects.
5362 2012-03-29 Jakub Jelinek <jakub@redhat.com>
5364 PR tree-optimization/52760
5365 * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
5366 shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
5368 2012-03-29 Richard Guenther <rguenther@suse.de>
5370 * cgraph.h (cgraph_materialize_all_clones): Remove.
5371 (reset_inline_failed): Likewise.
5372 * cgraphunit.c (cgraph_materialize_all_clones): Make static.
5373 * cgraphbuild.c (reset_inline_failed): Remove.
5374 * rtl.h (cse_main): Remove.
5375 (extended_count): Likewise.
5376 * cse.c (dump_class): Mark as DEBUG_FUNCTION.
5377 (cse_main): Make static.
5378 * combine.c (extended_count): Remove.
5379 (dump_combine_stats): Mark as DEBUG_FUNCTION.
5380 * basic-block.h (reorder_basic_blocks): Remove.
5381 * bb-reorder.c (reorder_basic_blocks): Make static.
5382 * Makefile.in (dse.o): Remove dse.h dependency.
5384 * dse.c (gate_dse): Remove.
5385 (clear_alias_mode_eq): Likewise.
5386 (clear_alias_mode_hash): Likewise.
5387 (dse_record_singleton_alias_set): Likewise.
5388 (dse_invalidate_singleton_alias_set): Likewise.
5390 2012-03-29 H.J. Lu <hongjiu.lu@intel.com>
5392 * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
5393 crtbegin_so%O%s for -shared.
5394 (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
5396 2012-03-29 Richard Guenther <rguenther@suse.de>
5398 * tree-flow.h (struct pre_expr_d): Remove forward declaration.
5399 (add_to_value): Remove.
5400 (print_value_expressions): Likewise.
5401 * tree-ssa-pre.c (add_to_value): Make static.
5402 (print_value_expressions): Likewise.
5403 * gimple.h (gimple_adjust_this_by_delta): Remove.
5404 * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
5406 2012-03-29 Richard Guenther <rguenther@suse.de>
5409 * double-int.h (rshift_double): Remove.
5410 * double-int.c (lshift_double): Use absu_hwi to make count positive.
5411 (rshift_double): Make static, take unsigned count argument,
5412 remove handling of negative count argument.
5413 (double_int_rshift): Dispatch to lshift_double.
5415 2012-03-28 H.J. Lu <hongjiu.lu@intel.com>
5417 * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
5420 * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
5421 (SPEC_X32): Likewise.
5422 (MULTILIB_DEFAULTS): Likewise.
5424 * config/i386/i386.c (isa_opts): Remove -m64.
5425 (ix86_target_string): Properly handle -m32/-m64/-mx32.
5426 (ix86_option_override_internal): Properly
5427 set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
5428 handle -m32, -m64 and -mx32.
5430 * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
5431 with OPTION_ABI_X32. Moved after TARGET_LP64.
5432 (TARGET_LP64): Changed to OPTION_ABI_64.
5434 * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
5435 (mx32): Replace ISA_X32 with ABI_X32.
5437 2012-03-28 Eric Botcazou <ebotcazou@adacore.com>
5439 * tree.c (tree_size) <VECTOR_CST>: New case.
5441 2012-03-28 Uros Bizjak <ubizjak@gmail.com>
5443 * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
5444 (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
5446 2012-03-28 Jakub Jelinek <jakub@redhat.com>
5449 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
5450 __builtin_va_start to __builtin_next_arg if the latter is
5451 builtin_decl_explicit_p rather than when it is not.
5454 * tree-vect-generic.c (vector_element): Perform multiplication
5455 for pos in bitsizetype type instead of idx type.
5457 2012-03-28 Richard Guenther <rguenther@suse.de>
5459 * loop-init.c (loop_optimizer_init): If loops are preserved
5460 perform incremental initialization of required loop features.
5461 (loop_optimizer_finalize): If loops are to be preserved only
5462 clean up optional loop features.
5463 (rtl_loop_done): Forcefully free loops here.
5464 * cgraph.c (cgraph_release_function_body): Forcefully free loops.
5465 * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
5467 (construct_init_block): Likewise.
5468 (construct_exit_block): Likewise.
5469 (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state. Cleanup
5470 the CFG after expanding.
5471 * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
5472 If we needed to calculate them, free them afterwards.
5473 * tree-pass.h (PROP_loops): New define.
5474 * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
5475 * basic-block.h (CLEANUP_CFG_CHANGED): New.
5476 * cfgcleanup.c (merge_blocks_move): Protect loop latches.
5477 (cleanup_cfg): If we did something and have loops around, fix them up.
5478 * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
5479 with CLEANUP_CFG_CHANGED.
5480 * cfghooks.c (merge_blocks): If we merge a loop header into
5481 its predecessor, update the loop structure.
5482 (duplicate_block): If we copy a loop latch, adjust loop state
5483 to note we may have multiple latches.
5484 (delete_basic_block): Mark loops for fixup if we remove a loop.
5485 * cfganal.c (forwarder_block_p): Protect loop latches, headers
5487 * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
5488 (cfg_layout_can_merge_blocks_p): Likewise.
5489 * cprop.c (bypass_block): If we create a loop with multiple
5490 entries, mark it for removal.
5491 * except.c (emit_to_new_bb_before): Add the new basic-block
5493 * tree-eh.c (lower_resx): Likewise.
5494 * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
5495 (expand_omp_taskreg): Likewise.
5496 * tree-inline.c (initialize_cfun): Likewise.
5497 * tree-mudflap.c (add_bb_to_loop): Prototype.
5498 (mf_build_check_statement_for): Properly add new basic-blocks
5500 * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
5501 if we remove a loop.
5502 (thread_through_loop_header): Likewise.
5503 * trans-mem.c (tm_log_emit_save_or_restores): Properly add
5504 new basic-blocks to existing loops.
5505 (expand_transaction): Likewise.
5506 * Makefile.in (except.o): Add $(CFGLOOP_H).
5508 (cgraph.o): Likewise.
5509 (cprop.o): Likewise.
5510 (cfgexpand.o): Likewise.
5511 (cfganal.o): Likewise.
5512 (trans-mem.o): Likewise.
5513 (tree-eh.o): Likewise.
5515 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
5518 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
5519 (avr_builtin_decl): New static function.
5520 (struct avr_builtin_description, avr_bdesc): Move up.
5521 Add GTY marker. Add field fndecl. Remove redundant field id.
5522 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
5523 (avr_expand_builtin): Code cleanup because .id is removed.
5525 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
5528 * config.gcc (tm_file): Remove avr/multilib.h.
5530 * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
5532 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
5533 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
5534 * config/avr/t-avr: Remove generation of multilib.h.
5535 * config/avr/t-multilib: Regenerate.
5536 * config/avr/multilib.h: Remove.
5537 * config/avr/avr.opt (-msp8): New option.
5538 (avr_sp8): New variable.
5539 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
5540 * config/avr/avr.h (AVR_HAVE_SPH): New define.
5541 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
5542 (avr_device_to_sp8): New prototype.
5543 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
5544 (DRIVER_SELF_SPECS): New define.
5545 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
5546 __AVR_SP8__, __AVR_HAVE_SPH__.
5547 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
5548 AVR_HAVE_8BIT_SP to decide if SP_H is present.
5549 (avr_file_start): Ditto.
5551 2012-03-28 Jakub Jelinek <jakub@redhat.com>
5554 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
5555 instead of 8 in adjust_address.
5557 2012-03-27 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
5560 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
5563 2012-03-27 Oleg Endo <olegendo@gcc.gnu.org>
5566 * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
5567 Rearrange conditional logic. Move displacement address calculations
5569 (sh_find_mov_disp_adjust): ... this new function.
5571 2012-03-27 H.J. Lu <hongjiu.lu@intel.com>
5573 * config/arm/arm.opt (mapcs): Remove MaskExists.
5574 * config/cris/linux.opt (mno-gotplt): Likewise.
5575 * config/i386/i386.opt (mhard-float): Likewise.
5577 (mno-sse4): Likewise.
5578 * config/m68k/m68k.opt (mhard-float): Likewise.
5579 * config/mep/mep.op (mcop32): Likewise.
5580 * config/pa/pa-hpux.opt (msio): Likewise.
5581 * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
5582 * config/picochip/picochip.opt (mlittle): Likewise.
5583 * config/sh/sh.opt (mrenesas): Likewise.
5584 * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
5585 * config/sparc/sparc.opt (mhard-float): Likewise.
5586 * config/v850/v850.opt (mv850es): Likewise.
5587 * config/vax/vax.opt (mg-float): Likewise.
5589 2012-03-27 Martin Jambor <mjambor@suse.cz>
5592 * tree-sra.c (sra_modify_assign): Do not call
5593 load_assign_lhs_subreplacements when working with an unscalarizable
5596 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
5599 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
5601 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
5602 * config/i386/i386.c: Include reload.h.
5603 (ix86_legitimize_reload_address): New function.
5605 2012-03-27 H.J. Lu <hongjiu.lu@intel.com>
5607 * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
5608 hasn't been allocated. Define a target macro for Mask and
5609 InverseMask if it hasn't been defined. Remove MaskExists handling.
5611 * doc/options.texi: Remove MaskExists.
5613 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
5616 * config/sh/sh.c (find_barrier): Add equality check of last_got
5617 to avoid going above orig insn. Update comments.
5619 2012-03-27 Richard Guenther <rguenther@suse.de>
5622 * fold-const.c (try_move_mult_to_index): Handle &x.array more
5625 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
5627 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
5628 of a unit before computing the offset in units.
5629 * expr.c (get_bit_range): Return the null range if the enclosing record
5630 is part of a larger bit field.
5632 2012-03-27 Tristan Gingold <gingold@adacore.com>
5634 * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
5635 * config/ia64/ia64.md: Remove mode in template.
5636 Sign extend operand in expand_simple_binop.
5637 * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
5638 CASE_VECTOR_MODE instead of TARGET_ILP32.
5639 (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
5641 2012-03-26 Steven Bosscher <steven@gcc.gnu.org>
5643 * varasm.c (assemble_external): #if 0 out the new assert from the
5644 previous commit, it breaks the Java and Go front ends.
5646 2012-03-26 Steven Bosscher <steven@gcc.gnu.org>
5648 * toplev.c (check_global_declaration_1): Do not call assemble_external.
5649 * expr.c (emit_block_move_libcall_fn): Likewise.
5650 (clear_storage_libcall_fn): Likewise.
5651 (expand_expr_addr_expr_1): Likewise.
5652 (expand_expr_real_1): Likewise.
5653 * calls.c (rtx_for_function_call): Likewise.
5655 * varasm.c (assemble_external): Assert this function is only called
5656 during or after expanding to RTL.
5658 2012-03-26 Martin Jambor <mjambor@suse.cz>
5660 PR tree-optimization/50052
5661 * tree-sra.c (tree_non_aligned_mem_p): Removed.
5662 (tree_non_aligned_mem_for_access_p): Likewise.
5663 (build_accesses_from_assign): Removed strict alignment requirements
5665 (access_precludes_ipa_sra_p): Likewise.
5667 2012-03-26 Richard Guenther <rguenther@suse.de>
5669 PR tree-optimization/52701
5670 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
5671 compute and set the evolution part of PHI nodes.
5673 2012-03-26 Richard Guenther <rguenther@suse.de>
5675 PR tree-optimization/52721
5676 * tree-vect-stmts.c (vect_init_vector): Handle scalars.
5678 2012-03-26 Ulrich Weigand <ulrich.weigand@linaro.org>
5680 PR tree-optimization/52686
5681 * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
5684 2012-03-26 Tristan Gingold <gingold@adacore.com>
5686 * config/alpha/vms.h (LINK_SPEC): Simplify.
5687 (STARTFILE_SPEC): Remove -mvms-return-codes handling.
5688 (NAME__MAIN, SYMBOL__MAIN): Remove.
5689 (VMS_DEBUG_MAIN_POINTER): Remove.
5690 * config/ia64/vms.h: Likewise.
5691 * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
5692 code to vms.c. Call vms_start_function.
5693 * config/ia64/ia64.c (ia64_start_function): Likewise.
5694 * config/vms/vms-protos.h (vms_start_function): Declare.
5695 * config/vms/vms.c (vms_start_function): New function.
5696 * config/vms/vms.h (MATH_LIBRARY): Define.
5697 (VMS_DEBUG_MAIN_POINTER): Define.
5699 2012-03-26 Eric Botcazou <ebotcazou@adacore.com>
5701 PR rtl-optimization/52629
5702 * reload1.c (count_pseudo): Short-circuit common case.
5703 (count_spilled_pseudo): Return early for pseudos without hard regs.
5704 Assert that the pseudo has got a hard reg before manipulating it.
5706 2012-03-24 Jan Hubicka <jh@suse.cz>
5709 * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
5710 (decide_is_variable_needed): Do not handle toplevel reorder here.
5711 * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
5712 * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
5715 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
5717 * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
5718 and str_bitsize instead of more convoluted expressions.
5720 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
5723 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
5725 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
5728 * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
5730 2012-03-23 Martin Jambor <mjambor@suse.cz>
5732 * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
5734 2012-03-23 Richard Guenther <rguenther@suse.de>
5736 PR tree-optimization/52678
5737 * tree-vectorizer.h (struct _stmt_vec_info): Add
5738 loop_phi_evolution_part member.
5739 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
5740 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
5741 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
5742 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5743 Use the cached evolution part and the PHI nodes value from
5744 the loop preheader edge instead of re-analyzing the evolution.
5746 2012-03-22 Maxim Kuvyrkov <maxim@codesourcery.com>
5748 * config/mips/mips-tables.opt: Update.
5749 * config/mips/mips.md (processor): Add xlp.
5750 * config/mips/mips-cpus.def: Add xlp.
5751 * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
5753 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
5754 * doc/invoke.texi: Mention XLP.
5756 2012-03-22 Jakub Jelinek <jakub@redhat.com>
5759 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
5760 on any new_local_var_chain vars declared during recursing on
5761 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
5763 2012-03-22 Uros Bizjak <ubizjak@gmail.com>
5765 * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
5766 (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
5767 (ASM_OUTPUT_LOCAL): Ditto.
5768 (ASM_OUTPUT_COMMON): Remove.
5769 * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
5770 * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
5772 2012-03-22 Jan Hubicka <jh@suse.cz>
5775 * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
5777 * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
5778 * ipa-inline-transform.c (save_inline_function_body): Remove
5779 copied clone if needed.
5780 * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
5782 2012-03-22 Richard Guenther <rguenther@suse.de>
5785 * fold-const.c (fold_ternary_loc): Fix typo.
5787 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
5790 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
5791 (unspecv): Add UNSPECV_MEMORY_BARRIER.
5792 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
5793 (delay_cycles_1, delay_cycles_2): Ditto.
5794 (delay_cycles_3, delay_cycles_4): Ditto.
5795 (nopv, *nopv): Ditto.
5796 (sleep, *sleep): Ditto.
5799 2012-03-22 Richard Guenther <rguenther@suse.de>
5801 PR tree-optimization/52548
5802 * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
5803 because of clobbers.
5804 (prune_clobbered_mems): New function.
5805 (compute_antic_aux): Use it to prune ANTIC_OUT.
5806 (compute_partial_antic_aux): Use it to prune PA_IN.
5807 (compute_avail): Only insert expressions into EXP_GEN that are not
5808 invalidated when translated up to the beginning of the block.
5810 2012-03-22 Richard Guenther <rguenther@suse.de>
5812 PR tree-optimization/52638
5813 * tree-vect-stmts.c (vect_init_vector_1): New function, split
5815 (vect_init_vector): ... here. Handle scalar vector inits.
5816 (vect_get_vec_def_for_operand): Adjust.
5817 (vectorizable_load): Likewise.
5819 2012-03-22 Uros Bizjak <ubizjak@gmail.com>
5821 * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
5822 (alpha*-*-freebsd*): Ditto.
5823 (alpha*-*-netbsd*): Ditto.
5824 (alpha*-*-openbsd*): Ditto.
5825 * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
5826 (DWARF2_DEBUGGING_INFO): Remove.
5827 (PREFERRED_DEBUGGING_TYPE): Remove.
5828 (ASM_FINAL_SPEC): Remove.
5829 (IDENT_ASM_OP): Remove.
5830 (ASM_OUTPUT_IDENT): Remove.
5831 (SKIP_ASM_OP): Remove.
5832 (ASM_OUTPUT_SKIP): Remove.
5833 (ALIGN_ASM_OP): Remove.
5834 (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
5835 (ASM_OUTPUT_CASE_LABEL): Remove.
5836 (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
5837 (COMMON_ASM_OP): Remove.
5838 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
5839 (ASCII_DATA_ASM_OP): Remove.
5840 (READONLY_DATA_SECTION_ASM_OP): Remove.
5841 (INIT_SECTION_ASM_OP): Remove.
5842 (FINI_SECTION_ASM_OP): Remove.
5843 (ASM_SECTION_START_OP): Remove.
5844 (ASM_OUTPUT_SECTION_START_FILE): Remove.
5845 (TARGET_ASM_NAMED_SECTION): Remove.
5846 (TARGET_ASM_SELECT_SECTION): Remove.
5847 (MAKE_DECL_ONE_ONLY): Remove.
5848 (TYPE_ASM_OP): Remove.
5849 (SIZE_ASM_OP): Remove.
5850 (ASM_WEAKEN_LABEL): Remove.
5851 (TYPE_OPERAND_FMT): Remove.
5852 (ASM_DECLARE_RESULT): Remove.
5853 (ASM_DECLARE_OBJECT_NAME): Remove.
5854 (ASM_FINISH_DECLARE_OBJECT): Remove.
5855 (ELF_ASCII_ESCAPES): Remove.
5856 (ELF_STRING_LIMIT): Remove.
5857 (STRING_ASM_OP): Remove.
5858 (ASM_OUTPUT_EXTERNAL): Remove.
5859 (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
5860 * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
5862 (ASM_DECLARE_FUNCTION_NAME): Ditto.
5863 (ASM_DECLARE_FUNCTION_SIZE): Ditto.
5864 (ASM_GENERATE_INTERNAL_LABEL): Ditto.
5865 (ASM_OUTPUT_SKIP): Ditto.
5866 (READONLY_DATA_SECTION_ASM_OP): Remove.
5867 (USER_LABEL_PREFIX): Remove.
5868 (ASM_OUTPUT_ASCII): Remove.
5869 (ASM_OUTPUT_CASE_LABEL): Remove.
5870 (NO_DOLLAR_IN_LABEL): Undefine.
5872 2012-03-22 Richard Guenther <rguenther@suse.de>
5874 PR tree-optimization/52459
5875 * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
5876 PHI insertion for calls.
5878 2012-03-21 Steven Bosscher <steven@gcc.gnu.org>
5880 * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
5881 find_sets_in_insn, canonicalize_insn): Split out from ...
5882 (cse_insn): ... here.
5883 (invalidate_from_clobbers): Take an insn instead of the pattern.
5885 2012-03-21 Oleg Endo <olegendo@gcc.gnu.org>
5888 * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
5889 * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
5890 * config/sh/sh.md (sindf2, cosdf2): Remove.
5892 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
5895 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
5896 prologue for unwinder and profiler.
5898 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
5900 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
5901 Introduce emul_name to select the right linker emulation for
5902 powerpc64-*-freebsd*.
5903 * configure: Regenerate.
5904 * config.gcc: Add bits to support powerpc64-*-freebsd*.
5905 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
5906 * config/rs6000/freebsd64.h: New file.
5907 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
5909 (rs6000_savres_strategy): Likewise.
5910 (rs6000_savres_routine_name): Likewise.
5911 (rs6000_elf_file_end): Likewise.
5912 * config/rs6000/t-freebsd64: New file.
5913 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
5914 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
5916 * config/rs6000/freebsd64.h: Remove duplicated entries from last
5918 * config/rs6000/t-freebsd64: Likewise.
5920 2012-03-21 Georg-Johann Lay <avr@gjlay.de>
5922 PR rtl-optimization/52543
5924 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
5925 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
5926 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
5927 (avr_load_libgcc_p): Restrict to __flash loads.
5928 (avr_out_lpm): Only handle 1-byte loads from __flash.
5929 (avr_load_lpm): New function.
5930 (avr_find_unused_d_reg): Remove.
5931 (avr_out_lpm_no_lpmx): Remove.
5932 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
5933 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
5934 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
5935 (load_<mode>, load_<mode>_clobber): New insns.
5936 (mov<mode>): For multi-byte move from non-generic
5937 16-bit address spaces: Expand to load_<mode> resp.
5938 load_<mode>_clobber.
5939 (load<mode>_libgcc): Remove expander.
5940 (split-lpmx): Remove split.
5942 2012-03-21 Richard Earnshaw <rearnsha@arm.com>
5944 * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
5945 * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
5946 All callers changed.
5947 (Fixed_core_reg): New feature.
5948 (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg. Allow fmrrd in
5950 * neon-testgen.ml: Handle Fixed_core_reg.
5952 2012-03-21 Andrew Stubbs <ams@codesourcery.com>
5954 * config/arm/arm.c (thumb2_reorg): Add complete support
5955 for 16-bit instructions.
5956 * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
5958 2012-03-21 Richard Guenther <rguenther@suse.de>
5960 PR tree-optimizer/52636
5961 * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
5962 to the appropriate type.
5964 2012-03-21 Richard Guenther <rguenther@suse.de>
5966 * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
5968 * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
5969 pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
5970 * passes.c (init_optimization_passes): Remove pass_init_function,
5971 pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
5972 * tree-pass.h (pass_init_function): Remove.
5973 (pass_jump): Remove.
5974 (pass_initial_value_sets): Remove.
5975 (pass_unshare_all_rtl): Remove.
5976 * integrate.c (pass_initial_value_sets): Remove.
5977 * emit-rtl.c (pass_unshare_all_rtl): Remove.
5978 * tree.h (init_function_for_compilation): Remove.
5979 * function.c (init_function_for_compilation): Remove.
5980 (pass_init_function): Remove.
5981 * cfgcleanup.c (rest_of_handle_jump): Remove.
5982 (pass_jump): Remove.
5984 2012-03-20 Jason Merrill <jason@redhat.com>
5986 * tree-streamer-in.c (streamer_alloc_tree): Call
5987 ggc_alloc_zone_cleared_tree_node instead of
5988 ggc_alloc_zone_cleared_tree_node_stat.
5990 2012-03-20 Jonathan Wakely <jwakely.gcc@gmail.com>
5992 * doc/extend.texi (Template Instantiation): Remove anachronisms.
5994 2012-03-20 Jakub Jelinek <jakub@redhat.com>
5997 * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
5998 (ix86_expand_vec_perm_const_1): Call it.
6000 * config/i386/i386.c (vselect_insn): New variable.
6001 (init_vselect_insn): New function.
6002 (expand_vselect, expand_vselect_insn): Add testing_p argument.
6003 Call init_vselect_insn if vselect_insn is NULL. Adjust
6004 PATTERN (vselect_insn), instead of creating a new insn each time,
6005 only emit a copy of it if not testing and recog has been successful.
6006 (expand_vec_perm_pshufb, expand_vec_perm_1,
6007 expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
6011 * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
6012 ("enabled" attribute): Handle avx2 and noavx2 isas.
6013 * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
6015 (vec_dup<mode>): Add avx2 =x,x alternative.
6016 (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
6017 (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
6018 For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
6019 * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
6021 (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
6022 if possible, handle also V8SFmode.
6024 2012-03-20 Richard Earnshaw <rearnsha@arm.com>
6026 * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
6027 * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
6028 reg_or_zero_operand predicate.
6029 (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
6031 2012-03-20 Jakub Jelinek <jakub@redhat.com>
6033 * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
6034 If operand isn't UNSPEC, return 0.
6036 2012-03-20 Richard Guenther <rguenther@suse.de>
6038 * tree-pass.h (pass_rtl_eh): Remove.
6039 * except.c (gate_handle_eh): Likewise.
6040 (rest_of_handle_eh): Likewise.
6041 (pass_rtl_eh): Likewise.
6042 (finish_eh_generation): Export.
6043 * except.h (finish_eh_generation): Declare.
6044 * passes.c (init_optimization_passes): Remove pass_rtl_eh.
6045 * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
6046 after expanding stack alignment. Instead of compacting blocks
6049 2012-03-20 Richard Guenther <rguenther@suse.de>
6051 * stor-layout.c (finish_bitfield_representative): Fallback
6052 to conservative maximum size if the padding up to the next
6053 field cannot be computed as a constant.
6054 (finish_bitfield_layout): If we cannot compute the distance
6055 between the start of the bitfield representative and the
6056 bitfield member start a new representative.
6057 * expr.c (get_bit_range): The distance between the start of
6058 the bitfield representative and the bitfield member is zero
6059 if the field offsets are not constants.
6061 2012-03-20 Tristan Gingold <gingold@adacore.com>
6063 * tree.h (enum size_type_kind): Add stk_ prefix to constants,
6064 convert in lowercase.
6065 (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
6066 (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
6067 * stor-layout.c (sizetype_tab): Adjust.
6068 (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
6069 * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
6070 instead of type_kind_last.
6071 * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
6072 instead of size_int_kind.
6073 * doc/tm.texi.in (Type Layout): Document SIZETYPE.
6074 * doc/tm.texi: Regenerate.
6075 * defaults.h (SIZETYPE): Provide a default value.
6076 * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
6079 2012-03-20 Oleg Endo <olegendo@gcc.gnu.org>
6081 * config/sh/sh.md: Use braced string notation where applicable.
6083 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
6085 * config/i386/i386.md (allocate_stack): Simplify.
6087 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
6089 * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
6090 copy_to_mode_reg (Pmode, ...).
6091 (expand_builtin_frame_address): Ditto.
6092 * expr.c (emit_block_move_via_libcall): Ditto.
6093 (set_storage_via_libcall): Ditto.
6095 * config/i386/i386.c (ix86_expand_movmem): Ditto.
6096 (ix86_expand_setmem): Ditto.
6097 (ix86_trampoline_init): DItto.
6098 * config/i386/i386.md (cmpstrnsi): Ditto.
6100 2012-03-19 Sandra Loosemore <sandra@codesourcery.com>
6102 * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
6103 * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
6104 * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
6105 (SH Options): Likewise.
6107 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
6109 * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
6110 Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
6111 (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
6112 DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
6113 (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
6116 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
6118 * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
6119 * config/i386/i386.c (ix86_decompose_address): Use
6120 TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
6121 (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
6122 thread pointer to a register.
6125 2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
6127 * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
6128 if Pmode != word_mode.
6129 (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
6130 Pmode == SImode for TARGET_X32.
6132 * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
6133 (tls_initial_exec_x32): Likewise.
6135 2012-03-19 Oleg Endo <olegendo@gcc.gnu.org>
6138 * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
6139 DISP_ADDR_OFFSET): New macros.
6140 * config/sh/sh.c (sh_address_cost): Add SH2A special case.
6141 (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
6142 (sh_legitimize_address): Add QImode displacement handling.
6143 (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
6145 (sh_secondary_reload): Add QImode displacement handling.
6146 * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
6147 * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
6148 * config/sh/sh.md (extendqisi2): Remove constraints from expander.
6149 (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
6150 to register operands only.
6151 (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
6152 (extendqihi2): Change insn to expander.
6153 (*extendqihi2_compact_reg): New insn.
6154 (movqi_i, movqi): Replace with ...
6155 (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
6156 *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
6157 Add new peepholes for QImode displacement addressing.
6159 2012-03-19 Paolo Carlini <paolo.carlini@oracle.com>
6162 * doc/invoke.texi: Document -Wuseless-cast.
6164 2012-03-19 Eric Botcazou <ebotcazou@adacore.com>
6166 * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
6167 * tree.h (handled_component_p): Reorder cases.
6168 * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
6169 not initialize unsignedp.
6170 (loc_list_from_tree): Likewise.
6171 (fortran_common): Likewise.
6172 * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
6174 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
6176 * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
6177 mode consistently. Use ix86_gen_add3. Assert that Pmode == DImode.
6178 (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
6179 (ix86_split_long_move): Ditto.
6180 (legitimize_tls_address): Use ix86_gen_sub3.
6181 (construct_plt_address): Assert that Pmode == DImode.
6183 2012-03-18 Uros Bizjak <ubizjak@gmail.com>
6185 * config/i386/i386.md: Remove empty predicates and/or constraints.
6186 * config/i386/sync.md: Ditto.
6187 * config/i386/sse.md: Ditto.
6188 * config/i386/mmx.md: Ditto.
6189 * config/i386/pentium.md: Ditto.
6190 * config/i386/athlon.md: Ditto.
6192 2012-03-16 Richard Guenther <rguenther@suse.de>
6194 PR tree-optimization/52603
6195 * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
6199 2012-03-14 Richard Guenther <rguenther@suse.de>
6201 PR tree-optimization/52571
6202 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
6203 flag_section_anchors check ...
6204 (vect_can_force_dr_alignment_p): ... here.
6206 2012-03-16 Martin Jambor <mjambor@suse.cz>
6208 * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
6209 memory through MEM_REFs by calling extract_bit_field.
6211 2012-03-16 Richard Guenther <rguenther@suse.de>
6213 * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
6214 and REFERENCE_TYPE interpretations.
6215 (can_native_interpret_type_p): New function.
6216 (fold_ternary_loc): Use native encode/interpret to fold
6217 BIT_FIELD_REFs of constants.
6219 2012-03-16 Richard Guenther <rguenther@suse.de>
6222 * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
6223 of vector constants and constructors.
6225 2012-03-16 Richard Guenther <rguenther@suse.de>
6227 * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
6228 VIEW_CONVERT_EXPR to convert constants.
6229 (vect_is_simple_use): Treat all constants as vec_constant_def.
6231 2012-03-16 Richard Guenther <rguenther@suse.de>
6232 Kai Tietz <ktietz@redhat.com>
6235 * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
6236 side-effects completely in the pre-queue and use a temporary
6239 2012-03-16 Richard Guenther <rguenther@suse.de>
6241 * stor-layout.c (finish_bitfield_representative): Fall back
6242 to the conservative maximum size if we cannot compute the
6243 size of the tail padding.
6245 2012-03-16 Tristan Gingold <gingold@adacore.com>
6247 * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
6248 __CRTL_VER and __VMS_VER.
6249 * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
6250 and vms_c_get_vms_ver.
6251 * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
6253 * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
6254 (VMS_DEFAULT_VMS_VER): Define.
6255 * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
6256 (VMS_DEFAULT_VMS_VER): Define.
6258 2012-03-16 Richard Guenther <rguenther@suse.de>
6260 * tree-vect-loop.c (get_initial_def_for_induction): Use
6261 build_constructor directly.
6262 * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
6263 build_vector_from_val.
6264 * tree.c (build_vector_from_val): Avoid creating a constructor
6265 first when we want a constant vector.
6267 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6269 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
6271 2012-03-16 Richard Guenther <rguenther@suse.de>
6273 * tree.h (TREE_VECTOR_CST_ELTS): Remove.
6274 (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
6275 (struct tree_vector): Remove elements member, add variable size
6277 (build_vector_stat): Declare.
6278 (build_vector): Define in terms of build_vector_stat.
6279 * tree.c (build_vector): Rename to ...
6280 (build_vector_stat): ... this. Take array of trees as parameter.
6281 (build_vector_from_ctor): Adjust.
6282 (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
6283 initializer_zerop): Adjust.
6284 * cfgexpand.c (expand_debug_expr): Likewise.
6285 * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
6286 const_vector_from_tree): Likewise.
6287 * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
6288 native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
6289 fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
6290 * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
6291 (lto_input_ts_vector_tree_pointers): Adjust.
6292 * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
6293 (write_ts_vector_tree_pointers): Adjust.
6294 * varasm.c (const_hash_1, compare_constant, copy_constant,
6295 output_constant): Adjust.
6296 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
6297 * print-tree.c (print_node): Adjust.
6298 * tree-pretty-print.c (dump_generic_node): Adjust.
6299 * tree-vect-generic.c (uniform_vector_p, vector_element,
6300 lower_vec_perm): Adjust.
6301 * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
6302 * tree-vect-slp.c (vect_get_constant_vectors,
6303 vect_transform_slp_perm_load): Adjust.
6304 * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
6305 * expmed.c (make_tree): Adjust.
6306 * config/i386/i386.c (ix86_expand_builtin): Adjust.
6307 * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
6309 (sparc_fold_builtin): Adjust.
6311 2012-03-16 Tristan Gingold <gingold@adacore.com>
6313 * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
6314 * config/vms/vms-stdint.h: New file.
6316 2012-03-16 Tristan Gingold <gingold@adacore.com>
6318 * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
6319 (ia64-hp-*vms*): Replaced by ...
6320 (*-*-*vms*): ... This new entry.
6322 2012-03-15 Jakub Jelinek <jakub@redhat.com>
6325 * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
6326 (ix86_expand_vec_perm_const_1): Use it.
6329 * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
6330 (avx2_permv4df): Remove.
6331 (avx2_permv4di): Macroize into...
6332 (avx2_perm<mode>): ... this using VI8F_256 iterator.
6333 (avx2_permv4di_1): Macroize into...
6334 (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
6336 2012-03-15 Ulrich Weigand <ulrich.weigand@linaro.org>
6338 * combine.c (apply_distributive_law): Do not distribute SUBREG.
6340 2012-03-15 Ira Rosen <irar@il.ibm.com>
6341 Ulrich Weigand <ulrich.weigand@linaro.org>
6343 * tree-vect-patterns.c (widened_name_p): Rename to ...
6344 (type_conversion_p): ... this. Add new argument to determine
6345 if it's a promotion or demotion operation. Check for
6346 CONVERT_EXPR_CODE_P instead of NOP_EXPR.
6347 (vect_recog_dot_prod_pattern): Call type_conversion_p instead
6349 (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
6350 vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
6352 (vect_recog_mixed_size_cond_pattern): Likewise and allow
6353 non-constant then and else clauses.
6355 2012-03-15 Ira Rosen <irar@il.ibm.com>
6356 Ulrich Weigand <ulrich.weigand@linaro.org>
6358 * tree-vectorizer.h (vect_pattern_recog): Add new argument.
6359 * tree-vect-loop.c (vect_analyze_loop_2): Update call to
6361 * tree-vect-patterns.c (widened_name_p): Pass basic block
6362 info to vect_is_simple_use.
6363 (vect_recog_dot_prod_pattern): Fail for basic blocks.
6364 (vect_recog_widen_sum_pattern): Likewise.
6365 (vect_handle_widen_op_by_const): Support basic blocks.
6366 (vect_operation_fits_smaller_type,
6367 vect_recog_over_widening_pattern): Likewise.
6368 (vect_recog_vector_vector_shift_pattern): Support basic blocks.
6369 Update call to vect_is_simple_use.
6370 (vect_recog_mixed_size_cond_pattern): Support basic blocks.
6372 (check_bool_pattern): Add an argument, update call to
6373 vect_is_simple_use and the recursive calls.
6374 (vect_recog_bool_pattern): Update relevant function calls.
6376 (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
6377 (vect_pattern_recog_1): Check for reduction only in loops.
6378 (vect_pattern_recog): Add new argument. Support basic blocks.
6379 * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
6380 info to vect_is_simple_use_1.
6381 * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
6382 (vect_slp_analyze_bb_1): Call vect_pattern_recog.
6384 2012-03-15 Jakub Jelinek <jakub@redhat.com>
6385 Andrew Pinski <apinski@cavium.com>
6388 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
6389 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
6390 calls instead of __builtin_ir{int,ound}*.
6392 2012-03-15 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
6394 * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
6397 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
6399 * config.gcc (target_type_format_char): New. Document it. Set it for
6401 * configure.ac (gnu_unique_option): Use target_type_format_char
6402 in test. Comment rationale.
6403 * configure: Regenerate .
6405 2012-03-15 Jakub Jelinek <jakub@redhat.com>
6407 PR tree-optimization/52267
6408 * tree-vrp.c (masked_increment): New function.
6409 (register_edge_assert_for_2): Derive ASSERT_EXPRs
6410 from (X & CST1) cmp CST2 tests.
6412 2012-03-15 Richard Guenther <rguenther@suse.de>
6415 * tree-data-ref.c (subscript_dependence_tester_1): Check
6416 all dimensions for non-conflicting access functions.
6418 2012-03-15 Manuel López-Ibáñez <manu@gcc.gnu.org>
6421 * doc/invoke.texi [C++ Language Options]: Document
6422 -ftemplate-backtrace-limit.
6424 2012-03-15 Tristan Gingold <gingold@adacore.com>
6426 * c-parser.c (c_parser_parameter_declaration): Handle #pragma
6429 2012-03-15 Tristan Gingold <gingold@adacore.com>
6431 * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
6432 use DW_OP_call_frame_cfa.
6434 2012-03-14 H.J. Lu <hongjiu.lu@intel.com>
6437 * config/i386/i386-opts.h (pmode): New.
6439 * config/i386/i386.c (ix86_option_override_internal): Properly
6440 check and set ix86_pmode.
6442 * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
6444 * config/i386/i386.opt (maddress-mode=): New.
6446 * doc/invoke.texi: Document -maddress-mode=short|long for x86.
6448 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6450 * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
6451 (dwarf2out_do_cfi_asm): Likewise.
6452 * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
6454 (add_data_member_location_attribute): Likewise.
6455 (gen_array_type_die): Likewise.
6456 (gen_subprogram_die): Likewise.
6457 (gen_producer_string): Likewise.
6458 * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
6459 Remove MIPS_DEBUGGING_INFO handling.
6460 (sdb_debug_hooks): Likewise.
6461 (sdbout_begin_block): Likewise.
6462 (sdbout_end_block): Likewise.
6463 (sdbout_begin_prologue): Likewise.
6464 (sdbout_start_source_file): Likewise.
6465 (sdbout_end_source_file): Likewise.
6466 (sdbout_init): Likewise.
6467 * system.h (MIPS_DEBUGGING_INFO): Poison.
6469 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6471 * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
6472 (alpha_file_start) [MS_STAMP]: Remove.
6474 * config/alpha/elf.h (TARGET_GAS): Remove.
6475 * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
6476 * config/alpha/linux.h (TARGET_DEFAULT): Remove.
6477 * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
6478 * config/alpha/vms.h (TARGET_DEFAULT): Remove.
6479 * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
6480 (alpha*-*-freebsd*): Likewise.
6481 (alpha*-*-netbsd*): Likewise.
6482 (alpha*-*-openbsd*): Likewise.
6483 (alpha*-*-*): Remove target_cpu_default2.
6484 * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
6486 * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
6487 (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
6488 * config/alpha/alpha.c (print_operand): Always assume
6489 TARGET_AS_SLASH_BEFORE_SUFFIX.
6490 * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
6491 Remove TARGET_AS_CAN_SUBTRACT_LABELS.
6492 ("*builtin_setjmp_receiver_er_1"): Remove.
6493 * config/alpha/alpha.opt (malpha-as): Remove.
6495 * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
6497 Remove DEC Unix reference.
6499 * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
6500 (EXTENDED_COFF): Remove.
6501 * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
6502 (EXTENDED_COFF): Don't undef.
6503 * config/alpha/alpha.c (alpha_file_start): Always assume
6505 Don't set targetm.asm_file_start_file_directive.
6506 [!OBJECT_FORMAT_ELF]: Remove.
6507 (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
6509 * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
6510 (DBX_DEBUGGING_INFO): Remove.
6511 (MIPS_DEBUGGING_INFO): Remove.
6512 (PREFERRED_DEBUGGING_TYPE): Remove.
6513 (DBX_OUTPUT_SOURCE_LINE): Remove.
6514 (SDB_OUTPUT_SOURCE_LINE): Remove.
6515 (DBX_CONTIN_LENGTH): Remove.
6516 (NO_DBX_FUNCTION_END): Remove.
6517 (ASM_STABS_OP): Remove.
6518 (ASM_STABN_OP): Remove.
6519 (ASM_STABD_OP): Remove.
6520 (SDB_ALLOW_FORWARD_REFERENCES): Remove.
6521 (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
6522 (PUT_SDB_DEF): Remove.
6523 (PUT_SDB_PLAIN_DEF): Remove.
6524 (PUT_SDB_TYPE): Remove.
6525 (sdb_label_count): Remove.
6526 (PUT_SDB_BLOCK_START): Remove.
6527 (PUT_SDB_BLOCK_END): Remove.
6528 (PUT_SDB_FUNCTION_START): Remove.
6529 (PUT_SDB_FUNCTION_END): Remove.
6530 (PUT_SDB_EPILOGUE_END): Remove.
6531 * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
6532 (MIPS_DEBUGGING_INFO): Don't undef.
6533 (DBX_DEBUGGING_INFO): Don't undef.
6534 * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
6535 (MIPS_DEBUGGING_INFO): Don't undef.
6536 (DBX_DEBUGGING_INFO): Don't undef.
6537 * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
6538 * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
6540 (alpha_start_function): Likewise.
6541 (sdb_label_count): Remove.
6542 (alpha_output_filename): Remove DBX_DEBUG handling.
6543 (alpha_file_start): Likewise.
6545 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6547 * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
6548 (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
6549 (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
6551 * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
6552 (ld_tls_support): Remove Solaris 8 references.
6553 (lwp_dir, lwp_spec): Remove support for alternate thread library.
6554 * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
6555 * configure: Regenerate.
6556 * config.in: Regenerate.
6558 * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
6559 * config/i386/sol2.h: Remove Solaris 8 references.
6561 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
6562 (i?86-*-solaris2.9): ... this.
6563 Remove Solaris 8 references.
6564 (Specific, *-*-solaris2*): Document Solaris 8 removal.
6565 Remove Solaris 8 references.
6567 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6569 * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
6570 (mips-sgi-irix6.5*): Remove.
6571 * config.host (mips-sgi-irix*): Remove.
6572 * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
6573 (set_have_as_tls): Remove *-*-irix6*.
6574 (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
6575 * configure: Regenerate.
6577 * config/mips/iris6.h: Remove.
6578 * config/mips/iris6.opt: Remove.
6579 * config/mips/t-irix6: Remove.
6581 * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
6582 (TARGET_IRIX6): Remove.
6583 (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
6584 Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
6585 * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
6587 (mips_file_start): Likewise.
6588 * config/mips/mips-protos.h (irix_asm_output_align): Remove.
6590 * config/mips/driver-native.c [__sgi__]: Remove.
6591 (host_detect_local_cpu) [__sgi__]: Remove.
6593 * config/mips/gnu-user.h: Remove iris5.h reference.
6595 * config/mips/mips-modes.def: Remove IRIX 6 reference.
6596 * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
6597 * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
6600 * gcc.c (main): Move asm_debug initialization ...
6601 (asm_debug): ... here.
6603 * ginclude/stddef.h (__STDDEF_H__): Don't define.
6605 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
6606 * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
6607 * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
6608 (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
6609 [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
6610 * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
6612 * doc/tm.texi: Regenerate.
6614 * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
6616 (MIPS Options, -march): Remove IRIX reference.
6617 * doc/install.texi (Binaries, SGI IRIX): Remove.
6618 (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
6620 * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
6622 2012-03-14 Martin Jambor <mjambor@suse.cz>
6624 * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
6625 when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
6626 (expand_expr_real_1): Do not handle misalignment if modifier is
6629 2012-03-14 Richard Guenther <rguenther@suse.de>
6632 * tree-vect-generic.c (type_for_widest_vector_mode): Take
6633 element type instead of mode, use build_vector_type_for_mode
6634 instead of the langhook, build a vector of proper signedness.
6635 (expand_vector_operations_1): Adjust.
6637 2012-03-14 Richard Guenther <rguenther@suse.de>
6640 * gimple-fold.c (canonicalize_constructor_val): Make sure we have
6641 a cgraph node for a FUNCTION_DECL that comes from a constructor.
6642 (gimple_get_virt_method_for_binfo): Likewise.
6644 2012-03-14 Richard Guenther <rguenther@suse.de>
6646 PR tree-optimization/52571
6647 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
6648 flag_section_anchors check ...
6649 (vect_can_force_dr_alignment_p): ... here. Do not re-align
6650 DECL_COMMON variables.
6652 2012-03-14 Richard Guenther <rguenther@suse.de>
6654 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
6655 * stor-layout.c (start_bitfield_representative): New function.
6656 (finish_bitfield_representative): Likewise.
6657 (finish_bitfield_layout): Likewise.
6658 (finish_record_layout): Call finish_bitfield_layout.
6659 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
6660 for QUAL_UNION_TYPE fields.
6661 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
6662 Stream DECL_BIT_FIELD_REPRESENTATIVE.
6663 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
6668 * expr.c (get_bit_range): Unconditionally extract bitrange
6669 from DECL_BIT_FIELD_REPRESENTATIVE.
6670 (expand_assignment): Adjust call to get_bit_range.
6672 2012-03-14 Richard Guenther <rguenther@suse.de>
6675 * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
6676 the outermost conversion is a sign-change only.
6677 (fold_binary_loc): Disregard widening and sign-changing
6678 conversions when we determine if two variables are equal
6680 * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
6681 (T1)x if the outermost conversion is a sign-change only.
6683 2012-03-14 Uros Bizjak <ubizjak@gmail.com>
6686 2012-03-14 Uros Bizjak <ubizjak@gmail.com>
6688 * config/i386/predicates.md (constant_call_address_operand): Declare
6689 as special predicate. Update all uses.
6691 2012-03-13 Jakub Jelinek <jakub@redhat.com>
6694 * c-parser.c (c_parser_postfix_expression)
6695 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
6697 * config/i386/smmintrin.h: Avoid /* within a comment.
6698 * config/i386/nmmintrin.h: Likewise.
6700 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
6702 * config/i386/i386.md (xbegin): Remove constraint from expander.
6704 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
6706 * config/i386/predicates.md (constant_call_address_operand): Declare
6707 as special predicate. Update all uses.
6708 * config/i386/i386.md: Remove mode from constant_call_address_operand
6710 * config/i386/i386.c (ix86_output_call_insn): Call
6711 constant_call_address_operand with VOIDmode.
6713 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
6715 * config/i386/i386.c (ix86_decompose_address): Handle subregs of
6716 AND zero extended address correctly.
6718 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
6720 * config/i386/predicates.md (tls_symbolic_operand): Declare as
6722 (tls_modbase_operand): Ditto.
6723 * config/i386/i386.md: Remove mode from tls_symbolic_operand and
6724 tls_modbase_operand predicates.
6726 2012-03-13 Martin Jambor <mjambor@suse.cz>
6728 * expr.c (expand_assignment): Handle misaligned scalar writes to
6729 memory through top-level MEM_REFs by calling store_bit_field.
6731 2012-03-13 Richard Guenther <rguenther@suse.de>
6734 * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
6735 if Y is a constant multiple of 1 << CST.
6737 2012-03-13 Georg-Johann Lay <avr@gjlay.de>
6740 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
6741 offset (size) to a value the insns can deal with.
6742 (expand_epilogue): Ditto.
6744 2012-03-13 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
6746 * config/arm/neon.ml (ops): Fixup expected instructions for
6747 unsigned vector compares.
6749 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
6751 * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
6752 addresses only when %reg is not in word mode.
6754 2012-03-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6756 * config/microblaze/microblaze.md: Fix typo.
6757 * tree-if-conv.c: Likewise.
6758 * tree-vect-patterns.c: Likewise.
6760 2012-03-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6762 * config.gcc (extra_passes): Remove.
6763 * configure.ac (extra_passes): Don't substitute.
6764 * configure: Regenerate.
6765 * Makefile.in (EXTRA_PASSES): Remove.
6766 (GCC_PASSES): Remove $(EXTRA_PASSES).
6767 (MOSTLYCLEANFILES): Likewise.
6769 (install-common): Likewise.
6771 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
6773 * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
6774 * config/i386/i386.c (ix86_decompose_address): Use
6775 TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
6776 (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
6777 thread pointer to a register.
6779 2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
6781 * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
6782 on tls_symbolic_operand.
6783 (tls_global_dynamic_64_<mode>): Likewise.
6785 2012-03-12 Georg-Johann Lay <avr@gjlay.de>
6788 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
6789 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
6791 2012-03-12 Georg-Johann Lay <avr@gjlay.de>
6794 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
6795 type from reg_class_t to enum reg_class.
6796 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
6798 2012-03-12 Andrew Pinski <apinski@cavium.com>
6800 * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
6801 (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
6802 (value_replacement): Likewise.
6803 (empty_block_p): Check also if the PHIs for the block are empty.
6805 2012-03-12 Georg-Johann Lay <avr@gjlay.de>
6808 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
6809 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
6810 r184615 from 2012-02-28.
6812 2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
6814 * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
6815 (ix86_gen_tls_local_dynamic_base_64): Likewise.
6816 (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
6817 and ix86_gen_tls_local_dynamic_base_64.
6818 (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
6819 ix86_gen_tls_local_dynamic_base_64.
6821 * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
6822 (*tls_global_dynamic_64_<mode>): This.
6823 (tls_global_dynamic_64): Renamed to ...
6824 (tls_global_dynamic_64_<mode>): This.
6825 (*tls_local_dynamic_base_64): Renamed to ...
6826 (*tls_local_dynamic_base_64_<mode>): This.
6827 (tls_local_dynamic_base_64): Renamed to ...
6828 (tls_local_dynamic_base_64_<mode>): This.
6830 2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
6832 * config/i386/i386.c (ix86_option_override_internal): Properly
6833 set ix86_gen_leave and ix86_gen_monitor. Check Pmode == DImode,
6834 instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
6835 ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
6836 ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
6838 * config/i386/sse.md (sse3_monitor64): Renamed to ...
6839 (sse3_monitor64_<mode>): This.
6841 2012-03-12 Tristan Gingold <gingold@adacore.com>
6843 * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
6844 (ia64_function_arg_advance): Ditto.
6846 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6848 * config.gcc (mips*-*-openbsd*): Remove.
6849 * config/mips/openbsd.h: Remove.
6850 * config/mips/sdb.h: Remove.
6852 * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
6853 * config/mips/mips.c (sdb_label_count): Remove.
6854 (mips_debugger_offset): Remove #if 0 code.
6855 (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
6856 * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
6858 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6860 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
6862 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
6863 Update binutils references.
6864 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
6865 Update binutils reference.
6866 Update Sun as/GNU ld caveat.
6867 Document binutils largefile requirement for LTO plugin.
6868 Remove reference to alternate libpthread.
6870 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6872 * config.gcc (alpha*-dec-osf5.1*): Remove.
6873 * config.host (alpha*-dec-osf*): Remove.
6874 * configure.ac (*-*-osf*): Remove.
6875 (alpha*-dec-osf*): Remove.
6876 * configure: Regenerate.
6878 * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
6879 config/alpha/va_list.h, config/alpha/x-osf: Remove.
6881 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
6882 * config/alpha/alpha.c (struct machine_function): Update comment.
6883 (alpha_start_function): Remove Tru64 UNIX as handling for
6885 * config/alpha/alpha.md ("exception_receiver"): Remove
6886 TARGET_LD_BUGGY_LDGP.
6887 ("*exception_receiver_2"): Likewise.
6888 * except.c (finish_eh_generation): Remove Tru64 reference.
6889 * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
6890 * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
6891 * target.def (handle_pragma_extern_prefix): Remove.
6893 * Makefile.in (mips-tfile.o-warn): Remove.
6894 (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
6895 (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
6896 * mips-tdump.c, mips-tfile.c: Remove.
6898 * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
6900 * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
6901 (Specific, alpha*-dec-osf5.1): Note removal.
6902 * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
6904 * doc/tm.texi: Regenerate.
6905 * doc/trouble.texi (Cross-Compiler Problems): Remove.
6907 2012-03-12 Richard Guenther <rguenther@suse.de>
6909 * config/arm/arm.c (neon_dereference_pointer): Do not call
6910 covert during RTL expansion.
6912 2012-03-12 Tristan Gingold <gingold@adacore.com>
6914 * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
6915 Options. Mention -mpointer-size.
6917 2012-03-12 Richard Guenther <rguenther@suse.de>
6919 * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
6920 build_nonstandard_integer_type.
6922 2012-03-12 Richard Guenther <rguenther@suse.de>
6924 * tree.c (signed_or_unsigned_type_for): Use
6925 build_nonstandard_integer_type.
6926 (signed_type_for): Adjust documentation.
6927 (unsigned_type_for): Likewise.
6928 * tree-pretty-print.c (dump_generic_node): Use standard names
6929 for non-standard integer types if available.
6931 2012-03-12 Tristan Gingold <gingold@adacore.com>
6933 * config/vms/vms.opt: Add vms-opts.h header.
6934 (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
6936 (-mvms-return-codes): Document.
6937 (-mpointer-size): New option.
6938 (vms_pointer_size): Add enumeration.
6939 * config/vms/vms-opts.h: New file.
6940 * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
6941 __INITIAL_POINTER_SIZE.
6942 (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
6943 (C_COMMON_OVERRIDE_OPTIONS): Define.
6944 (DWARF2_ADDR_SIZE): Define.
6945 * config/vms/vms.c (vms_patch_builtins): Adjust condition.
6946 * config/vms/vms-protos.h (vms_c_common_override_options):
6948 * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
6949 if -mno-pointer-size.
6950 (vms_c_common_override_options): New function.
6951 * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
6952 * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
6953 (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
6954 and flag_vms_pointer_size.
6955 (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
6956 * config.gcc (*-*-*vms*): Define xm_file.
6957 (alpha*-dec-*vms*): Do not define xm_file.
6958 (alpha64-dec-*vms*): Remove.
6959 (ia64-hp-*vms*): Do not define xm_file. Simplify tm_file
6962 2012-03-12 Jakub Jelinek <jakub@redhat.com>
6964 PR tree-optimization/51721
6965 * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
6966 if (int) unsvar cmp CST.
6968 2012-03-12 Richard Guenther <rguenther@suse.de>
6970 * tree-sra.c (create_access_replacement): Only rename the replacement
6971 if we can rewrite it into SSA form. Properly mark register typed
6972 replacements that we cannot rewrite with TREE_ADDRESSABLE.
6973 * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
6974 for aggregate or BLKmode results.
6976 2012-03-12 Jakub Jelinek <jakub@redhat.com>
6978 PR tree-optimization/52533
6979 * tree-vrp.c (register_edge_assert_for_2): Use double_int
6980 type for mask, only handle shifts by non-zero in-range
6981 shift count, for LE_EXPR and GT_EXPR if new_val is
6982 maximum, don't add the assertion.
6984 2012-02-12 Kirill Yukhin <kirill.yukhin@intel.com>
6986 * doc/invoke.texi: Document -mrtm option.
6987 * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
6988 (OPTION_MASK_ISA_RTM_UNSET): Ditto.
6989 (ix86_handle_option): Handle OPT_mrtm.
6990 * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
6992 (x86_64-*-*): Ditto.
6993 * i386-builtin-types.def (INT_FTYPE_VOID): New.
6994 * config/i386/i386-c.c (ix86_target_macros_internal): Define
6996 (ix86_target_string): Define -mrtm option.
6998 (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
7000 (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
7001 (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
7003 (bdesc_special_args): Ditto.
7004 (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
7005 (ix86_expand_special_args_builtin): Handle new built-in type.
7006 (ix86_expand_builtin): Handle XABORT instruction.
7007 * config/i386/i386.h (TARGET_RTM): New.
7008 * config/i386/i386.md (UNSPECV_XBEGIN): New.
7009 (UNSPECV_XEND): Ditto.
7010 (UNSPECV_XABORT): Ditto.
7011 (UNSPECV_XTEST): Ditto.
7018 * config/i386/i386.opt (mrtm): New.
7019 * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
7020 * config/i386/rtmintrin.h: New header.
7021 * config/i386/xtestintrin.h: Ditto.
7023 2012-03-12 Tristan Gingold <gingold@adacore.com>
7025 * ginclude/stddef.h: Adjust previous patch.
7026 Use __VMS__ instead of VMS.
7028 2012-03-12 Uros Bizjak <ubizjak@gmail.com>
7030 * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
7031 Also convert sequences with CC setting arithmetic instruction.
7033 2012-03-11 Sandra Loosemore <sandra@codesourcery.com>
7035 * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
7036 from C Language Options to Preprocessor Options.
7037 (C Dialect Options): Move -no-integrated-cpp documentation
7039 (Preprocessor Options): ...to here. Rewrite the description
7040 so it makes more sense, and remove discussion of merging front ends.
7042 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
7044 * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
7046 (ix86_expand_setmem): Likewise.
7048 2012-03-11 Uros Bizjak <ubizjak@gmail.com>
7050 * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
7053 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
7055 * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
7056 ptr_mode == SImode. Replace DImode with Pmode or ptr_mode.
7058 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
7060 * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
7062 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
7064 * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
7067 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
7068 Uros Bizjak <ubizjak@gmail.com>
7070 * config/i386/predicates.md (call_insn_operand): Allow
7071 constant_call_address_operand in Pmode only.
7072 (sibcall_insn_operand): Ditto.
7073 * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
7074 (*call_vzeroupper): Ditto.
7076 (*sibcall_vzeroupper): Ditto.
7077 (*call_value): Ditto.
7078 (*call_value_vzeroupper): Ditto.
7079 (*sibcall_value): Ditto.
7080 (*sibcall_value_vzeroupper): Ditto.
7081 (*indirect_jump): Ditto.
7082 (*tablejump_1): Ditto.
7083 (indirect_jump): Convert memory address to word mode for TARGET_X32.
7085 * config/i386/i386.c (ix86_expand_call): Convert indirect operands
7088 2012-03-11 Oleg Endo <olegendo@gcc.gnu.org>
7091 * config/sh/sh.md (movnegt): Expand into respective insns immediately.
7092 Use movrt_negc instead of negc pattern for non-SH2A.
7094 (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
7096 2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
7098 * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
7099 if Pmode != word_mode.
7100 (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
7101 Pmode == SImode for TARGET_X32.
7103 * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
7104 (tls_initial_exec_x32): Likewise.
7106 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
7108 PR rtl-optimization/52528
7109 * combine.c (can_combine_p): Add setting of subst_low_luid
7110 before call to expand_field_assignment().
7112 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
7114 * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
7115 and related program names.
7117 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
7119 * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
7121 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
7124 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
7125 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
7127 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
7128 (*movdi_internal_rex64): Use %E operand modifier for lea.
7129 (*movsi_internal): Ditto.
7131 (*lea<mode>_2): Ditto.
7132 (*lea_{3,4,5,6}_zext): Ditto.
7133 (*tls_global_dynamic_32_gnu): Ditto.
7134 (*tls_global_dynamic_64): Ditto.
7135 (*tls_dynamic_gnu2_lea_32): Ditto.
7136 (*tls_dynamic_gnu2_lea_64): Ditto.
7137 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
7139 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
7141 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
7142 redefine to be NULL if the current bit-size is different from the
7143 configured bit-size.
7145 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
7146 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
7147 set the default tuning. Add asserts to make sure the cpu and tune
7148 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
7149 test whether the index is set, instead of > 0.
7150 (rs6000_file_start): Do not reset the default cpu if the current
7151 bit-size is different from the configured bit-size.
7153 2012-03-09 Tristan Gingold <gingold@adacore.com>
7155 * config/vms/vms-crtlmap.map: Add comments.
7156 Add entries needed to build Ada RTS.
7158 2012-03-09 Tristan Gingold <gingold@adacore.com>
7160 * ginclude/stddef.h: Do not define __size_t on VMS.
7162 2012-03-09 Tristan Gingold <gingold@adacore.com>
7164 * c-tree.h (c_default_pointer_mode): New variable.
7165 * c-decl.c (c_default_pointer_mode): New variable.
7166 (c_build_pointer_type): New function.
7167 (grokdeclarator): Call c_build_pointer_type instead
7168 of build_pointer_type.
7170 * config/vms/vms-c.c: Include c-tree.h
7171 (saved_pointer_mode): New variable.
7172 (handle_pragma_pointer_size): New function.
7173 (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
7174 (vms_c_register_pragma): Register __pointer_size and
7175 __required_pointer_size pragmas.
7177 2012-03-09 Tristan Gingold <gingold@adacore.com>
7179 * config/vms/vms-c.c (vms_construct_include_filename): New function.
7180 (vms_c_register_includes): Reference it.
7182 2012-03-09 Andrew Pinski <apinski@cavium.com>
7185 * tree-ssa-phiopt.c: Include tree-pretty-print.h for
7187 (tree_ssa_phiopt_worker): Go through all the PHIs for
7188 value_replacement instead of just the singleton one.
7189 (value_replacement): Change return type to int. Return 0 instead of
7191 Allow the middle basic block to contain more than just the defining
7193 Handle non empty middle basic blocks.
7194 * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
7196 2012-03-09 Jiangning Liu <jiangning.liu@arm.com>
7198 * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
7199 array reference and component reference.
7200 (analyze_scalar_evolution_for_address_of): New.
7202 2012-03-08 Jie Zhang <jzhang918@gmail.com>
7205 * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
7206 (hwloop_pattern_reg): Fix set but not used warning.
7207 (bfin_reorg_loops): Remove unused parameter.
7208 (bfin_reorg): Update use of bfin_reorg_loops.
7210 2012-03-08 H.J. Lu <hongjiu.lu@intel.com>
7212 * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
7213 with integer parameters in registers.
7214 (gen_push): Push register in word_mode instead of Pmode.
7215 (ix86_emit_save_regs): Likewise.
7216 (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
7217 (gen_pop): Pop register in word_mode instead of Pmode.
7218 (ix86_emit_restore_regs_using_pop): Likewise.
7219 (ix86_expand_prologue): Replace Pmode with word_mode for push
7220 immediate. Use ix86_gen_pro_epilogue_adjust_stack. Save and
7221 restore RAX and R10 in word_mode.
7222 (ix86_emit_restore_regs_using_mov): Restore integer registers
7224 (ix86_expand_split_stack_prologue): Save R10_REG and restore in
7226 (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
7227 (ix86_split_long_move): Likewise.
7229 * config/i386/i386.md (W): New.
7230 (*push<mode>2_prologue): Replace :P with :W.
7231 (*pop<mode>1): Likewise.
7232 (*pop<mode>1_epilogue): Likewise.
7233 (push/pop peephole2): Use word_mode scratch registers.
7235 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
7237 * config/i386/predicates.md (indirect_branch_operand): Simplify.
7239 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
7241 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
7242 for constants in [-63,63].
7244 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
7248 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
7250 * config/i386/i386.c (ix86_print_operand_address): Only handle
7251 zero-extended DImode addresses.
7253 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7255 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
7256 * configure: Regenerate.
7258 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
7261 * config/avr/avr.c (avr_mem_clobber): New static function.
7262 (avr_expand_delay_cycles): Add memory clobber operand to
7263 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
7264 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
7265 (enable_interrupt, disable_interrupt): New expander.
7266 (nopv, sleep, wdr): New expanders.
7267 (delay_cycles_1): Add memory clobber.
7268 (delay_cycles_2): Add memory clobber.
7269 (delay_cycles_3): Add memory clobber.
7270 (delay_cycles_4): Add memory clobber.
7271 (cli_sei): New insn from former "enable_interrupt",
7272 "disable_interrupt" with memory clobber.
7273 (*wdt): New insn from former "wdt" with memory clobber.
7274 (*nopv): Similar, but for "nopv".
7275 (*sleep): Similar, but for "sleep".
7277 2012-03-07 Oleg Endo <olegendo@gcc.gnu.org>
7278 Kaz Kojima <kkojima@gcc.gnu.org>
7281 * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
7282 * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
7283 (SUBTARGET_OVERRIDE_OPTIONS): Define.
7285 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
7287 * config/i386/predicates.md (x86_64_zext_general_operand): New.
7288 * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
7289 predicate to x86_64_zext_general_operand. Accept "Z" constraint.
7291 2012-03-07 Walter Lee <walt@tilera.com>
7293 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
7294 REG_CFA_* notes for the stack pointer.
7295 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
7296 EH_RETURN_STACKADJ_RTX.
7297 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
7298 generate REG_CFA_* notes for the stack pointer.
7299 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
7300 by EH_RETURN_STACKADJ_RTX.
7302 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
7304 * doc/invoke.texi (AVR Built-in Macros): Correct condition for
7305 when __AVR_3_BYTE_PC__ is defined.
7307 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
7309 * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
7310 (ix86_print_operand): Handle '^'.
7311 * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
7312 using P mode iterator. Add %^ to asm template to conditionally emit
7314 (*rep_movdi_rex64): Ditto.
7315 (*strsetdi_rex_1): Ditto.
7316 (*rep_stosdi_rex64): Ditto.
7317 (*strmov{si,hi,qi}_1): Add %^ to asm template to
7318 conditionally emit addr32 prefix.
7319 (*rep_mov{si,qi}): Ditto.
7320 (*strset{si,hi,qi}): Ditto.
7321 (*rep_stos{si,qi}): Ditto.
7322 (*cmpstrnqi_nz_1): Ditto.
7323 (*cmpstrnqi_1): Ditto.
7324 (*strlenqi_1): Ditto.
7326 2012-03-07 H.J. Lu <hongjiu.lu@intel.com>
7328 * config/i386/i386.c (function_value_64): Return pointers in
7329 word_mode instead of Pmode.
7330 (ix86_promote_function_mode): Likewise.
7332 2012-03-07 Richard Guenther <rguenther@suse.de>
7334 * coverage.c (get_gcov_type): Use type_for_mode.
7335 (get_gcov_unsigned_t): Likewise.
7336 * expr.c (store_constructor): Use type_for_mode.
7337 (try_casesi): Likewise.
7338 * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
7339 (add_standard_iv_candidates): Use standard type trees.
7340 * dojump.c (do_jump): Remove dead code.
7342 2012-03-07 Richard Guenther <rguenther@suse.de>
7344 * c-typeck.c (pointer_diff): Use c_common_type_for_size.
7346 2012-03-07 Richard Guenther <rguenther@suse.de>
7348 * convert.c (strip_float_extensions): Move ...
7349 * tree.c (strip_float_extensions): ... here.
7351 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
7354 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
7356 2012-03-07 Richard Guenther <rguenther@suse.de>
7358 * omp-low.c (extract_omp_for_data): Use signed_type_for.
7359 (expand_omp_for_generic): Likewise.
7360 (expand_omp_for_static_nochunk): Likewise.
7361 (expand_omp_for_static_chunk): Likewise.
7362 * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
7363 * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
7364 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
7365 Use unsigned_type_for.
7366 (vect_create_cond_for_align_checks): Use signed_type_for.
7368 2012-03-07 Andrey Belevantsev <abel@ispras.ru>
7370 PR rtl-optimization/52203
7371 * sel-sched.c (estimate_insn_cost): New parameter pempty. Adjust
7372 all callers to pass NULL except ...
7373 (reset_sched_cycles_in_current_ebb): ... here, save the value
7374 in new variable 'empty'. Increase issue_rate only for
7377 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
7380 * Makefile.in: Let install-gcc-ar depend on installdirs,
7381 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
7382 Don't double canonicalize if cross-compiling.
7384 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
7387 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
7388 to: RAMPZ, RAMPY, RAMPX, RAMPD.
7389 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
7391 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
7394 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
7396 * config/avr/avr.md (xload_8): Adjust insn length.
7398 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
7401 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
7402 if RAMPZ affects reading from RAM.
7404 2012-03-07 Richard Guenther <rguenther@suse.de>
7408 * doc/invoke.texi (Precompiled Headers): Remove sentence that
7409 suggests you can include PCHs from inside another header.
7411 2012-03-07 Richard Sandiford <rdsandiford@googlemail.com>
7414 * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
7416 2012-03-07 Kai Tietz <ktietz@redhat.com>
7418 * doc/invoke.texi (fwritable-relocated-rdata): Document
7419 new Cygwin/MinGW target option.
7420 * config/i386/winnt.c (i386_pe_unique_section): Ignore
7421 reloc if flag -fwritable-relocated-rdata is not set.
7422 (i386_pe_section_type_flags): Likewise.
7423 * config/i386/cygming.opt (fwritable-relocated-rdata):
7424 Add new flag variable flag_writable_rel_rdata.
7426 2012-03-07 Richard Guenther <rguenther@suse.de>
7428 * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
7429 precision against gimple constraints.
7431 2012-03-06 Richard Sandiford <rdsandiford@googlemail.com>
7434 * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
7436 (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
7437 * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
7439 (init_emit_regs): Move associated initialization to...
7440 (init_emit_once): ...here.
7442 2012-03-06 Richard Henderson <rth@redhat.com>
7444 * config/m68k/m68k.h (ISA_HAS_TAS): New.
7445 * config/m68k/sync.md (atomic_test_and_set): Use it.
7446 (atomic_test_and_set_1): Likewise.
7448 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
7451 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
7452 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
7453 (vector_ltgt<mode>): Likewise.
7454 (vector_ordered<mode>): Likewise.
7455 (vector_unordered<mode>): Likewise.
7456 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
7458 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
7460 * trans-mem.c: New typedef for tm_region_p.
7461 Define vector types for tm_region_p.
7462 (tm_region_init): Replace region_worklist to a vector called
7465 2012-03-06 Richard Guenther <rguenther@suse.de>
7467 * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
7468 MEM_REF with constant pointer operand.
7470 2012-03-06 Richard Guenther <rguenther@suse.de>
7473 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
7475 2012-03-06 Tristan Gingold <gingold@adacore.com>
7477 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
7478 (external_model_kind): Improve documentation.
7479 (vms_pragma_extern_model): Handle relaxed_redef.
7480 (vms_c_register_pragma): Allow expansion for nomember_alignment.
7482 2012-03-06 Georg-Johann Lay <avr@gjlay.de>
7484 * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
7485 Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
7486 Some more notes on EIND usage and reorder EIND subsection.
7488 2012-03-06 Tristan Gingold <gingold@adacore.com>
7490 * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
7491 * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
7493 2012-03-06 Tristan Gingold <gingold@adacore.com>
7495 * config/vms/t-vmsnative (version): Define.
7496 * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
7498 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
7500 PR rtl-optimization/52250
7501 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
7502 to put note list into. Unconditionally call move_bb_info.
7503 (move_bb_info): Do not assert the blocks being in the same region,
7504 just drop the note list if they are not.
7506 2012-03-06 Oleg Endo <olegendo@gcc.gnu.org>
7509 * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
7510 and use unified expansion logic.
7511 * config/sh/sh.md (xorsi3_movrt): Rename to movrt. Move
7512 closer to the existing movt insn.
7513 (negc): Rename insn to *negc. Add new expander.
7514 (movnegt): Use xor pattern for T bit negation. Reserve helper
7515 constant for negc pattern.
7516 (*movnegt): New insn and splitter.
7518 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
7520 * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
7523 2012-03-05 Richard Henderson <rth@redhat.com>
7525 * genemit.c (main): Include "target.h" in insn-emit.c.
7526 * Makefile.in (insn-emit.o): Depend on TARGET_H.
7527 * config/sh/sync.md (atomic_test_and_set): Reference
7528 targetm.atomic_test_and_set_trueval instead of
7529 TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
7531 2012-03-05 Joern Rennecke <joern.rennecke@embecosm.com>
7533 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
7536 2012-03-05 Steven Bosscher <steven@gcc.gnu.org>
7538 * langhooks.c (add_builtin_type): New function.
7539 * langhooks.h (add_builtin_type): Export it.
7540 * config/mep/mep.c (mep_init_builtins): Use it.
7541 * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
7543 2012-03-05 Jakub Jelinek <jakub@redhat.com>
7546 * tree.h (BLOCK_SAME_RANGE): Define.
7547 * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
7548 if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
7549 Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
7550 isn't equal to supercontext fragment's fragment chain.
7551 Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
7553 (blocks_nreverse_all): Likewise.
7554 (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits. Set
7555 BLOCK_SUPERCONTEXT to supercontext fragment instead of
7556 supercontext fragment's fragment origin.
7557 * dwarf2out.c (add_high_low_attributes): If stmt has the same
7558 range as its parent (or parents thereof etc.), use the parent's
7559 DW_AT_ranges value instead of creating a new .debug_ranges range.
7561 2012-03-05 Richard Henderson <rth@redhat.com>
7564 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
7565 * omp-low.c (expand_omp_atomic): Assume anything aligned to
7566 BIGGEST_ALIGNMENT is aligned.
7568 2012-03-05 Richard Henderson <rth@redhat.com>
7570 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
7571 * config/sh/sh.c: ... here.
7573 2012-03-05 Richard Henderson <rth@redhat.com>
7576 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
7577 instead of calling negqi2 directly.
7579 2012-03-05 Aldy Hernandez <aldyh@redhat.com>
7582 * trans-mem.c (tm_region_init): Use last_basic_block.
7584 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
7586 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
7587 * config/sh/sync.md (atomic_test_and_set): New expander.
7588 (tasb, atomic_test_and_set_soft): New insns.
7589 * config/sh/sh.opt (menable-tas): New option.
7590 * doc/invoke.texi (SH Options): Document it.
7592 2012-03-05 Richard Guenther <rguenther@suse.de>
7594 * cfgloop.c (verify_loop_structure): Verify dominators before
7596 * graphite-clast-to-gimple.c (graphite_verify): Do not verify
7597 dominators from here.
7598 * graphite-scop-detection.c (create_sese_edges): Likewise.
7599 * loop-doloop.c (doloop_optimize_loops): Likewise.
7600 * loop-init.c (loop_optimizer_init): Likewise.
7601 * loop-unroll.c (unroll_and_peel_loops): Likewise.
7602 * loop-unswitch.c (unswitch_loops): Likewise.
7603 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
7604 * tree-parloops.c (parallelize_loops): Likewise. Verify
7605 only when checking is enabled.
7606 * tree-loop-distribution.c (tree_loop_distribution): Likewise.
7608 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
7610 * genautomata.c (parse_automata_opt): New static function.
7611 (initiate_automaton_gen): Remove all option handling code. Remove
7612 argc argument. All callers changed.
7613 (main): Call init_rtx_reader_args_cb with the new function as argument.
7615 2012-03-05 Richard Guenther <rguenther@suse.de>
7617 * cfgexpand.c (gimple_expand_cfg): Free dominator info.
7618 * tree-if-conv.c (combine_blocks): Free post-dominator info
7620 * tree-parloops.c (create_parallel_loop): Free and re-compute
7621 dominator info after breaking it.
7623 2012-03-05 Richard Guenther <rguenther@suse.de>
7626 * optabs.h (trapv_unoptab_p): New function.
7627 (trapv_binoptab_p): Likewise.
7628 * optabs.c (expand_binop): Use emit_libcall_block_1 with
7629 a proper equiv_may_trap argument.
7630 (expand_unop): Likewise.
7631 (emit_libcall_block_1): Take extra argument whether the
7632 instruction may trap. Renamed from ...
7633 (emit_libcall_block): ... this. New wrapper.
7635 2012-03-05 Jakub Jelinek <jakub@redhat.com>
7637 PR tree-optimization/51721
7638 * tree-vrp.c (register_edge_assert_for_2): If comparing
7639 lhs of right shift by constant with an integer constant,
7640 add ASSERT_EXPRs for the rhs1 of the right shift.
7642 * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
7644 2012-03-05 Richard Guenther <rguenther@suse.de>
7646 * tree.c (integer_zerop): Handle VECTOR_CSTs.
7647 (integer_onep): Likewise.
7648 (integer_all_onesp): Likewise.
7650 2012-03-05 Georg-Johann Lay <avr@gjlay.de>
7652 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
7654 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
7656 * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
7657 instead of TARGET_64BIT.
7659 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
7661 * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
7664 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
7666 * config/i386/i386.c (ix86_print_operand_address): Only handle
7667 zero-extended DImode addresses.
7669 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
7671 * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
7672 taken and cputaken as bool.
7674 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
7676 * config/i386/constraints.md (Ya): New internal constraint.
7677 * config/i386/i386.md (zero_extendsidi2): Remove expansion.
7678 (*zero_extendsidi2_rex64): Add x,x alternative.
7679 (*zero_extendsidi2): Ditto. Add o,0 alternative.
7680 Remove flags reg clobber. Adjust corresponding splits.
7681 (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
7682 zero_extendqisi2 expanders using SWI12 mode iterator.
7683 (zero_extend<mode>si2_and): Macroize insn from
7684 zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
7686 (*zero_extend<mode>si2): Macroize insn from
7687 *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
7688 (*zero_extend*2_movzbl_and): Remove insn patterns.
7689 (zero_extendqihi2_and): Merge corresponding splitter.
7690 (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
7691 (*zero_extend*2_movzbl_and): Remove insn patterns.
7692 (*anddi_1): Split TYPE_IMOVX instructions.
7693 (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
7695 (and->zext splitter): Add splitter pattern.
7696 (zero extend with andsi3 splitter): Adjust zero_extend pattern.
7698 2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
7700 * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
7702 (Debugging Options): Likewise.
7703 (Optimize Options): Likewise.
7704 (i386 and x86-64 Options): Discuss -march before -mtune, consistently
7705 with other architectures. Use official processor names with correct
7706 spelling/capitalization. Fix formatting and grammar issues.
7707 (i386 and x86-64 Windows Options): Similar cleanup here.
7709 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
7711 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
7713 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
7715 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
7716 DBX_REGISTER_NUMBER.
7718 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
7720 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
7721 operand is CONST_INT. Take COSTS_N_INSNS into account.
7722 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
7725 2012-03-02 Richard Henderson <rth@redhat.com>
7727 * optabs.c (expand_atomic_test_and_set): Honor
7728 atomic_test_and_set_trueval even when atomic_test_and_set
7729 optab is not in use.
7731 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
7735 * config/sh/sh.c (sh_register_move_cost): Increase cost between
7736 GENERAL_REGS and FP_REGS for SImode.
7738 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
7741 * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
7742 (absdi2): New expander.
7743 (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
7745 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
7747 * config/sh/sync.md (atomic_exchange<mode>): New expander.
7748 (atomic_exchange<mode>_soft): New insn.
7750 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
7752 * config/sh/sync.md: Update copyright notice dates.
7753 (atomic_compare_and_swap<mode>): Use SImode for return value instead
7755 (atomic_compare_and_swap<mode>_soft): Likewise.
7757 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
7760 * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
7761 * config/sh/sh.c: Update copyright notice dates.
7762 (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
7763 alignment for TARGET_HARD_SH4.
7764 (sh_option_override): Reduce default function alignment. Set
7765 loop alignment to 4 bytes when not optimizing for size.
7767 2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
7770 * doc/invoke.texi (floop-flatten): Remove.
7771 * toplev.c (process_options): Remove references to flag_loop_flatten.
7772 * tree-ssa-loop.c (gate_graphite_transform): Same.
7773 * common.opt (floop-flatten): Obsolete.
7774 * graphite-poly.c (apply_poly_transforms): Remove reference to
7776 * Makefile.in (graphite-flattening.o): Remove.
7777 * graphite-flattening.c: Remove.
7779 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
7781 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
7782 having mode compatible with the mode of previous compare. Substitute
7783 compare mode of previous compare with the mode, compatible
7784 with eliminated and previous compare.
7786 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
7788 * config/rs6000/dfp.md (floatdidd2): New define_insn.
7790 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
7792 * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
7793 compatible with CCGOCmode and CCGCmode.
7795 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
7797 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
7799 2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
7801 * config/arm/arm.c (arm_sat_operator_match): New function.
7802 * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
7803 * config/arm/arm.md ("insn" attribute): Add "sat" value.
7804 ("SAT", "SATrev"): New code iterators.
7805 ("SATlo", "SAThi"): New code iterator attributes.
7806 ("*satsi_<SAT:code>"): New pattern.
7807 ("*satsi_<SAT:code>_shift"): Likewise.
7808 * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
7809 and "shift" attributes.
7810 ("arm_usatsihi"): Add "insn" attribute.
7811 * config/arm/predicates.md (sat_shift_operator): Allow multiplication
7812 by powers of two. Do not allow shift by 32.
7814 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
7817 * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
7818 to pass the argument in the register of "natural" mode.
7820 2012-03-02 Richard Guenther <rguenther@suse.de>
7822 PR tree-optimization/52406
7823 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
7824 (struct indices): Add unconstrained_base member.
7825 (struct dr_alias): Remove unused vops member.
7826 (DR_UNCONSTRAINED_BASE): New define.
7827 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
7828 add indices to allow their disambiguation. Make DR_BASE_OBJECT
7829 be an artificial access that covers the whole indexed object,
7830 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
7831 plain decl base-objects to their MEM_REF variant.
7832 (dr_may_alias_p): When the base-object of either data reference
7833 has unknown size use only points-to information.
7834 (compute_affine_dependence): Make dumps easier to read and
7836 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
7837 DR_REF when looking for packed references.
7838 (vect_supportable_dr_alignment): Likewise.
7840 2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
7842 * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
7843 Improve conditions for peepholes of loads followed by commutative
7845 * config/arm/ldmstm.md: Regenerated.
7847 2012-03-02 Richard Guenther <rguenther@suse.de>
7849 * BASE-VER: Set to 4.8.0.
7851 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
7853 * config.gcc (obsolete): Add all ARM targets using the FPA.
7854 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
7855 * doc/install.texi: Avoid references to obsolete ARM ports.
7857 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
7859 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
7861 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
7862 Joern Rennecke <joern.rennecke@embecosm.com>
7864 * doc/extend.texi: Expand and update information on interrupt
7865 attribute for Epiphany.
7867 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
7869 * config/sh/sh-protos.h: Update copyright notice dates.
7870 * config/sh/sh.h: Likewise.
7871 * config/sh/sh.md: Likewise.
7872 * config/sh/constraints.md: Likewise.
7873 * config/sh/predicates.md: Likewise.
7875 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
7877 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
7878 * config/sh/sh.c (tertiary_reload_operand): Likewise.
7880 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
7882 * config/sh/constraints.md: Fix comment typo.
7884 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7887 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
7888 unsigned HOST_WIDE_INT.
7889 (zvdep_imm64): Likewise.
7890 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
7891 (vdepi_and): Likewise.
7892 Likewise for unamed 64-bit patterns.
7893 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
7895 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
7898 PR rtl-optimization/52417
7899 * cselib.c (cselib_any_perm_equivs): New variable.
7900 (cselib_reset_table): Check that it's not set when not
7901 preserving constants.
7902 (cselib_add_permanent_equiv): Set it.
7903 (cselib_have_permanent_equivalences): New.
7904 (cselib_init, cselib_finish): Reset it.
7905 * cselib.h (cselib_have_permanent_equivalences): Declare.
7906 * alias.c (get_addr): Restore earlier behavior when there
7907 aren't permanent equivalences.
7909 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
7911 * config/mn10300/mn10300-modes.def: Fix copyright notice.
7912 * config/v850/v850-modes.def: Fix copyright notice.
7914 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
7916 * doc/extend.texi (AVR Built-in Functions): Document
7917 __builtin_avr_flash_segment.
7919 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
7920 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
7921 (*split.flash_segment): New insn-and-split.
7922 * config/avr/avr.c (avr_init_builtins): Add local variables:
7923 const_memx_void_node, const_memx_ptr_type_node,
7924 char_ftype_const_memx_ptr.
7926 2012-03-01 Jakub Jelinek <jakub@redhat.com>
7928 PR tree-optimization/52445
7929 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
7930 add ssa_name_ver, offset and size fields and change store field
7932 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
7933 (add_or_mark_expr): Likewise. Only consider previous stores
7934 with the same size and offset.
7935 (nt_init_block): Only look at gimple_assign_single_p stmts,
7936 doesn't look at rhs2.
7938 2012-03-01 Richard Guenther <rguenther@suse.de>
7941 * tree-cfg.c (verify_gimple_assign_unary): Allow any
7942 conversions from integral types to pointer types.
7944 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
7946 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
7947 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
7948 unintentionally removed in r184616.
7950 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
7952 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
7955 2012-02-29 Jakub Jelinek <jakub@redhat.com>
7956 Uros Bizjak <ubizjak@gmail.com>
7959 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
7960 alternatives, add "e" constraint to the new last alternative
7961 and ! to last 3 alternatives.
7963 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
7965 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
7966 DW_AT_artificial attributes at the end of the processing.
7967 (gen_array_type_die): Likewise.
7968 (gen_enumeration_type_die): Likewise.
7969 (gen_struct_or_union_type_die): Likewise.
7970 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
7973 2012-02-29 Jakub Jelinek <jakub@redhat.com>
7976 * expr.c (expand_assignment): If doing misaligned store that doesn't
7977 cover all mode bits, perform a RMW cycle.
7979 PR tree-optimization/52429
7980 * tree-parloops.c (separate_decls_in_region_debug): Return early
7981 if var is LABEL_DECL.
7983 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7985 PR tree-optimization/52424
7986 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
7987 calling dom_thread_across_edge.
7989 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
7991 * config/avr/avr.c: Move definition of TARGET macros to end of file.
7993 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
7995 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
7996 * config/avr/avr.c (avr_output_bld): Remove unused function.
7997 (avr_out_sbxx_branch): Use "%T" to print bit position.
7999 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
8001 * config/avr/avr.md: Untabify.
8003 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
8005 * config/avr/avr.md (eqne): New code iterator.
8006 (*dec-and-branchsi): Use it in text peephole's condition.
8007 (*dec-and-branchhi): Ditto.
8008 (*dec-and-branchqi): Ditto.
8010 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
8013 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
8014 the device does not have the skip-bug.
8016 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
8018 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
8019 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
8020 -mpretend-cmove): New.
8022 2012-02-29 Jakub Jelinek <jakub@redhat.com>
8025 * df.h (struct df_d): Adjust comment that hard_regs_live_count
8026 doesn't count DEBUG_INSN refs.
8027 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
8028 for DEBUG_INSN refs.
8030 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8034 2012-02-20 Richard Guenther <rguenther@suse.de>
8035 PR tree-optimization/52298
8036 * tree-vect-stmts.c (vectorizable_load): Properly use
8037 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops.
8039 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
8042 * gimple.h (gimple_in_transaction): New.
8043 (gimple_set_in_transaction): New.
8044 (struct gimple_statement_base): Add in_transaction field.
8045 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
8047 (tree_ssa_lim_initialize): Compute transaction bits.
8048 * tree.h (compute_transaction_bits): Protoize.
8049 * trans-mem.c (tm_region_init): Use the heap to store BB
8051 (compute_transaction_bits): New.
8053 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8055 * gcc.c (display_help): Document --help=common and sort entries
8058 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8060 * doc/install.texi: Document check-$LANG specific shortcuts
8062 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
8065 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
8067 * config/arm/arm_neon.h: Regenerate.
8068 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
8069 (neon_vcgeu): New insn.
8070 (neon_vcgtu): Likewise.
8071 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
8072 (ops): Unsigned comparison intrinsics call a different builtin.
8074 2012-02-28 Richard Guenther <rguenther@suse.de>
8077 * config/i386/i386.c (ix86_expand_vector_set): Fix element
8078 ordering for the VEC_CONCAT for two element vectors for
8079 V2SFmode, V2SImode and V2DImode.
8081 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
8084 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
8085 detecting big-endian triplets.
8087 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
8089 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
8090 mode if there is no type information available.
8092 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
8094 PR tree-optimization/53207
8095 * doc/invoke.texi: Document as experimental and relying on graphite.
8097 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
8099 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
8100 of initializer to changes from r184614.
8102 2012-02-28 Richard Guenther <rguenther@suse.de>
8104 PR tree-optimization/52395
8105 * tree-sra.c (build_ref_for_offset): Also look at the base
8106 TYPE_ALIGN when figuring out the alignment of the replacement.
8108 2012-02-28 Richard Guenther <rguenther@suse.de>
8110 PR tree-optimization/52402
8111 * ipa-prop.c (ipa_modify_call_arguments): Properly use
8112 mis-aligned types when creating the accesses at the call site.
8114 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
8116 * config/avr/builtins.def: New file.
8117 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
8118 * config/avr/avr.c (enum avr_builtin_id): Use it.
8119 (avr_init_builtins): Use it. And use avr_bdesc.
8120 (bdesc_1arg): Remove.
8121 (bdesc_2arg): Remove.
8122 (bdesc_3arg): Remove.
8123 (struct avr_builtin_description): Add field n_args.
8124 (avr_bdesc): New static variable using builtins.def.
8125 (avr_expand_builtin): Use it.
8126 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
8127 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
8128 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
8130 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
8133 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
8134 match only one single hard register with respective hard reg rtx.
8135 (movmemx_<mode>): Ditto.
8136 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
8137 insn anatomy of movmem[x]_<mode>.
8138 (avr_out_movmem): Same for printing assembler and operand usage.
8140 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
8144 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
8145 address spaces located outside of device flash.
8147 * config/avr/avr.h (base_arch_s): Remove field n_segments.
8148 (mcu_type_s): Add field n_flash.
8149 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
8150 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
8151 (AVR_MCU): Add N_FLASH argument.
8152 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
8153 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
8154 macro __FLASH<n> if that address space makes sense for the device.
8155 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
8156 outside of target flash.
8157 (avr_asm_named_section): Ditto.
8158 (avr_asm_select_section): Ditto.
8159 (avr_addr_space_convert): Ditto.
8160 (avr_emit_movmemhi): Ditto.
8161 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
8162 address space is outside of device flash.
8163 (avr_insert_attributes): Ditto.
8164 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
8165 avr_current_arch->n_segments.
8167 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
8170 * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
8171 (*movabs<mode>_2): Likewise.
8173 2012-02-27 Jakub Jelinek <jakub@redhat.com>
8176 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
8177 s_register_operand in the test instead of REG_P. Don't call
8178 gen_reg_rtx if it won't be used.
8180 PR tree-optimization/52376
8181 * ipa-split.c (split_function): Ignore CLOBBER stmts.
8183 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
8185 * ifcvt.c (noce_get_condition): Check condition variable is not
8186 small_register_classes_for_mode_p before accepting.
8188 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
8190 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
8192 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
8195 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
8196 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
8198 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
8200 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
8202 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
8204 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
8206 * config/sh/predicates.md: Remove blank lines.
8207 * config/sh/sh.c: Fix typos in comments.
8208 * config/sh/constraints.md: Likewise.
8209 * config/sh/sh.md: Remove blank lines.
8210 Fix typos in comments. Use ;; as comment characters.
8212 2012-02-26 Walter Lee <walt@tilera.com>
8214 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
8215 (replace_mov_pcrel_step2): Ditto.
8217 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
8220 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
8221 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
8222 and locs that reference values newer than the non-canonical value
8223 at hand. Return the canonical value as a worst case.
8224 (memrefs_conflict_p): Walk canonical value's locs.
8227 * cselib.c (preserve_only_constants): Rename to...
8228 (preserve_constants_and_equivs): ... this. Split out...
8229 (invariant_or_equiv_p): ... this. Preserve plus expressions
8230 of other preserved expressions too.
8231 (cselib_reset_table): Adjust.
8232 * var-tracking.c (reverse_op): Use canonical value to build
8235 2012-02-23 Kai Tietz <ktietz@redhat.com>
8237 * config/i386/i386.c (ix86_delegitimize_address): Handle
8238 UNSPEC_PCREL plus displacement.
8240 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
8243 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
8244 to test for unusedness in st X addressing.
8246 2012-02-24 Richard Guenther <rguenther@suse.de>
8249 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
8250 (is_gimple_reg_type): Move inline ...
8251 * gimple.h (is_gimple_reg_type): ... here.
8253 2012-02-24 Richard Guenther <rguenther@suse.de>
8256 * passes.c (execute_function_todo): When verifying SSA form
8257 verify gimple form first.
8258 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
8260 2012-02-24 Richard Guenther <rguenther@suse.de>
8263 * fold-const.c (fold_addr_of_array_ref_difference): New function.
8264 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
8266 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8268 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
8270 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8272 * tree-phinodes.c (make_phi_node): Mark static.
8273 * tree-flow.h (make_phi_node): Remove extern decl.
8274 * doc/gimple.texi (make_phi_node): Remove documentation.
8276 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8278 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
8279 * tree-ssa-sccvn.c (print_scc): Ditto.
8281 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8283 * doc/passes.texi (Full redundancy elimination): Fix typo.
8285 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
8287 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
8289 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
8292 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
8294 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
8297 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
8299 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
8301 * config/avr/avr.md (code_stdname): Add ior, xor.
8302 (xior): New code iterator.
8303 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
8304 (*<code_stdname><mode>qi.byte1-3): Ditto.
8306 2012-02-23 Jakub Jelinek <jakub@redhat.com>
8308 PR tree-optimization/52019
8309 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
8312 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8314 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
8315 HAVE_INITFINI_ARRAY to work around namespace pollution in
8316 certain versions of newlib system headers.
8317 * config.in: Regenerate.
8318 * configure: Regenerate.
8319 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
8320 instead of HAVE_INITFINI_ARRAY.
8322 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
8325 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
8326 is not offsettable memory reference.
8328 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
8331 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
8332 setting avr_need_clear_bss_p for __gnu_lto* symbols.
8334 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
8336 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
8337 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
8339 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8341 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
8342 library on Solaris 8 even without TLS support.
8343 * configure: Regenerate.
8345 2012-02-22 Richard Guenther <rguenther@suse.de>
8348 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
8349 for GIMPLE_DEBUG stmts.
8351 2012-02-22 Martin Jambor <mjambor@suse.cz>
8354 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
8355 according to the base object.
8357 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
8359 PR rtl-optimization/50063
8360 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
8361 and 2 (8-bit SP) in operand 2.
8362 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
8363 setup to use movhi_sp_r instead of vanilla move to write SP.
8364 Adjust REG_CFA notes to superseed unspec.
8365 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
8367 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
8368 known to be off) only with TARGET_NO_INTERRUPTS. Never use
8369 irq_state 1 (IRQ known to be on) here.
8371 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
8373 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
8375 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
8376 assign_hard_reg): Likewise.
8378 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
8380 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
8382 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
8385 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
8386 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
8388 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
8390 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
8391 prototype from here to...
8392 * config/avr/avr.h: ...here.
8394 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
8397 * thumb2.md (thumb2_shiftsi3_short): Split register and
8398 immediate shifts. For register shifts tie operands 0 and 1.
8399 (peephole2 for above): Check that register-controlled shifts
8400 have suitably tied operands.
8402 2012-02-21 Quentin Neill <quentin.neill@amd.com>
8405 * config/i386/bdver1.md (bdver1_call, bdver1_push,
8406 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
8407 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
8408 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
8409 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
8410 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
8411 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
8412 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
8413 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
8414 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
8415 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
8416 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
8417 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
8418 bdver1_ssevector_avx256_unaligned_load,
8419 bdver1_ssevector_sse128_unaligned_load,
8420 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
8421 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
8422 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
8423 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
8424 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
8425 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
8426 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
8427 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
8428 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
8429 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
8430 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
8431 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
8432 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
8433 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
8434 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
8435 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
8436 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
8437 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
8438 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
8439 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
8440 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
8441 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
8442 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
8443 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
8444 bdver1_ssediv_double_load, bdver1_ssediv_double,
8445 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
8446 Add "bdver2" attribute.
8448 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
8450 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
8451 default if possible and not specified otherwise.
8453 2012-02-21 Richard Guenther <rguenther@suse.de>
8456 * gimplify.c (create_tmp_from_val): Use the main variant type
8457 for the type of the temporary we create.
8459 2012-02-21 Richard Guenther <rguenther@suse.de>
8461 PR tree-optimization/52324
8462 * gimplify.c (gimplify_expr): When re-gimplifying expressions
8463 do not gimplify a MEM_REF address operand if it is already
8466 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
8468 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
8469 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
8471 2012-02-21 Richard Guenther <rguenther@suse.de>
8473 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
8474 nested_in_vect_loop.
8476 2012-02-21 Jakub Jelinek <jakub@redhat.com>
8478 PR tree-optimization/52318
8479 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
8480 vdef also to non-pure/const call stmts in the sequence.
8482 2012-02-21 Tristan Gingold <gingold@adacore.com>
8484 * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
8486 2012-02-20 David S. Miller <davem@davemloft.net>
8488 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
8489 don't use the "rd %pc" instruction on v9 for PIC register loads.
8491 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
8494 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
8495 in a transaction safe function.
8497 2012-02-20 Kai Tietz <ktietz@redhat.com>
8500 * stor-layout.c (place_field): Handle desired_align for
8503 2012-02-20 Richard Guenther <rguenther@suse.de>
8505 PR tree-optimization/52298
8506 * tree-vect-stmts.c (vectorizable_store): Properly use
8507 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
8509 (vectorizable_load): Likewise.
8510 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
8511 Access DR_STEP after ensuring it is not NULL.
8513 2012-02-20 Jakub Jelinek <jakub@redhat.com>
8515 PR tree-optimization/52286
8516 * fold-const.c (fold_binary_loc): For (X & C1) | C2
8517 optimization use double_int_to_tree instead of build_int_cst_wide,
8518 rewrite to use double_int vars.
8520 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8523 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
8525 Remove -e 0 from $gcc_cv_ld invocation.
8526 Only use __GLIBC_PREREQ if defined.
8527 Enable on Solaris since Solaris 8 patch.
8528 (gcc_SUN_LD_VERSION): New macro.
8529 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
8530 gcc_SUN_LD_VERSION for version number format.
8531 * configure: Regenerate.
8532 * varasm.c (get_elf_initfini_array_priority_section): Set
8533 SECTION_NOTYPE for non-default priority.
8534 Use get_section instead of get_unnamed_section to emit
8535 .init_array/.fini_array with default priority.
8537 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
8539 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
8540 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
8541 (mips_start_unique_function, mips_output_mips16_rdhwr)
8542 (mips_code_end): New functions.
8543 (TARGET_ASM_CODE_END): Define.
8545 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
8547 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
8548 to stubs with non-sibling calls.
8550 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
8552 * doc/invoke.texi (-fira-* options): Copy-edit.
8553 (ira-* parameters): Copy-edit.
8555 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
8557 * doc/invoke.texi: Minor copy-edits to bring into conformance with
8558 GCC coding conventions.
8560 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
8562 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
8563 when used as adjectives.
8565 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
8567 * doc/invoke.texi: Clean up "that"/"which" confusion.
8569 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
8571 * system.h: Poison SMALL_REGISTER_CLASSES
8572 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
8573 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
8575 2012-02-16 Jakub Jelinek <jakub@redhat.com>
8577 PR tree-optimization/52285
8578 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
8579 when deciding if a call is a tail call or tail recursion.
8581 2012-02-16 Kai Tietz <ktietz@redhat.com>
8583 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
8584 interger-constant displacement for UNSPEC_PCREL.
8586 2012-02-16 Jakub Jelinek <jakub@redhat.com>
8588 PR rtl-optimization/52208
8589 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
8590 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
8592 PR tree-optimization/52255
8593 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
8594 loop->header has virtual PHI, but exit_e->dest doesn't, add
8595 virtual PHI to exit_e->dest and adjust all uses after the loop.
8598 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
8599 children with clone_tree_hash, not after it.
8601 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
8603 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
8604 extended identifiers.
8606 2012-02-16 Jakub Jelinek <jakub@redhat.com>
8609 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
8610 a same_body_alias, also test whether e->callee isn't a former
8611 or current clone of the decl this is a same body alias of.
8613 PR translation/52264
8614 * cgraphunit.c (verify_cgraph_node): Fix a typo.
8616 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
8618 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
8620 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
8623 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
8624 force_reg instead of copy_to_reg for better optimization. Force
8625 non-register or memory operands into a register.
8627 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
8629 * extend.texi: Reserve upper bits of memory model for future use.
8631 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
8632 Anatoly Sokolov <aesok@post.ru>
8633 Eric Weddington <eric.weddington@atmel.com>
8636 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
8637 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
8638 Rewrite initializers for .macro.
8639 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
8640 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
8641 atxmega32d4, atxmega32x1.
8642 avrxmega4: atxmega64a3, atxmega64d3.
8643 avrxmega5: atxmega64a1, atxmega64a1u.
8644 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
8645 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
8646 avrxmega7: atxmega128a1, atxmega128a1u.
8647 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
8648 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
8649 (struct base_arch_s): Rename reserved to xmega_p.
8650 Rename reserved2 to have_rampd.
8651 (AVR_XMEGA): New define.
8652 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
8653 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
8654 * config/avr/predicates.md (io_address_operand): Take into
8656 (low_io_address_operand): Ditto.
8657 (high_io_address_operand): Ditto.
8658 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
8659 (enabled, movhi_sp_r): Use them.
8660 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
8661 cpp_define_formatted to built-in define __AVR_ARCH__.
8662 (__AVR_XMEGA__): New built-in define.
8663 (__AVR_HAVE_RAMPD__): New built-in define.
8664 (__AVR_HAVE_RAMPX__): New built-in define.
8665 (__AVR_HAVE_RAMPY__): New built-in define.
8666 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
8668 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
8669 (avr_option_override): Initialize them.
8670 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
8671 (avr_init_expanders): Initialize them. No more block several calls.
8672 (emit_push_sfr): New static function.
8673 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
8675 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
8676 (avr_print_operand): Print addreeses as symbols for
8677 RAMPX, RAMPY, RAMPD, CCP.
8678 (output_movhi): Handle AVR_XMEGA when writing to SP.
8679 (avr_out_movhi_mr_r_xmega): New static function.
8680 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
8681 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
8682 __RAMPD__, __CCP__ as needed.
8684 * config/avr/multilib.h: Regenerate.
8685 * config/avr/t-multilib: Regenerate.
8686 * config/avr/avr-tables.opt: Regenerate.
8688 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
8690 PR tree-optimization/50561
8691 * graphite-flattening.c (lst_project_loop): Do not
8692 remove old scattering dimensions after flattening.
8693 (lst_do_flatten): Likewise.
8695 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
8697 * doc/extend.texi (AVR Built-in Functions): Remove doc for
8698 __builtin_avr_map8, __builtin_avr_map16.
8699 Document __builtin_avr_insert_bits.
8701 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
8702 (insert_bits): New insn.
8703 (adjust_len.map_bits): Rename to insert_bits.
8704 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
8705 * avr-protos.h (avr_out_map_bits): Remove.
8706 (avr_out_insert_bits, avr_has_nibble_0xf): New.
8707 * config/avr/constraints.md (Cxf,C0f): New.
8708 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
8709 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
8710 New built-in define __BUILTIN_AVR_INSERT_BITS.
8711 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
8712 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
8713 (avr_move_bits): Rewrite.
8714 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
8716 (avr_map_op_t): New typedef.
8717 (avr_map_op): New static variable.
8718 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
8719 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
8720 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
8721 (bdesc_3arg, avr_expand_triop_builtin): New.
8722 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
8723 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
8724 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
8725 (avr_map_equal_p, avr_map_sig_p): Remove.
8726 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
8727 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
8728 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
8729 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
8730 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
8731 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
8733 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
8735 * config/c6x/c6x.md (reserve_cycles): New attribute.
8736 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
8737 don't reserve functional units after the branch occurs.
8739 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
8742 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
8743 functions into non-tm_pure functions.
8745 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
8748 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
8749 (iterative_hash_canonical_type): Likewise.
8750 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
8753 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
8755 * haifa-sched.c (prune_ready_list): Ensure that if there is a
8756 sched-group insn, it either remains alone or the entire list is pruned.
8758 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
8760 * doc/install.texi (Prerequisites): Fix grammar.
8761 (Configuration): Likewise.
8763 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
8765 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
8766 MPC as part of GCC before describing configuring with --with-gmp etc.
8767 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
8768 sources are present.
8770 2012-02-14 Jakub Jelinek <jakub@redhat.com>
8773 * dwarf2out.c (clone_tree_hash): New function.
8774 (copy_decls_walk): Use it instead of clone_tree.
8776 2012-02-14 Richard Guenther <rguenther@suse.de>
8778 PR tree-optimization/52244
8779 PR tree-optimization/51528
8780 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
8781 replacements for integral types.
8783 2012-02-14 Walter Lee <walt@tilera.com>
8785 * config.gcc: Handle tilegx and tilepro.
8786 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
8788 Add HAVE_AS_TLS check for tilegx and tilepro.
8789 * configure: Regenerate.
8790 * doc/contrib.texi: Add Mat Hostetter and self.
8791 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
8792 Document instruction intrinsics and network accessing intrinsics.
8793 (TILEPro Built-in Functions): New node. Document instruction
8794 intrinsics and network accessing intrinsics.
8795 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
8796 (Specific, tilepro-*-linux*): Likewise.
8797 * doc/invoke.texi (TILE-Gx Options): New section.
8798 (TILEPro Options): New section.
8799 * doc/md.texi (TILE-Gx): New section.
8800 (TILEPro): New section.
8801 * common/config/tilegx/tilegx-common.c: New file.
8802 * common/config/tilepro/tilepro-common.c: New file.
8803 * config/tilegx/constraints.md: New file.
8804 * config/tilegx/linux.h: New file.
8805 * config/tilegx/mul-tables.c: New file.
8806 * config/tilegx/predicates.md: New file.
8807 * config/tilegx/sync.md: New file.
8808 * config/tilegx/t-tilegx: New file.
8809 * config/tilegx/tilegx-builtins.h: New file.
8810 * config/tilegx/tilegx-c.c: New file.
8811 * config/tilegx/tilegx-generic.md: New file.
8812 * config/tilegx/tilegx-modes.def: New file.
8813 * config/tilegx/tilegx-multiply.h: New file.
8814 * config/tilegx/tilegx-protos.h: New file.
8815 * config/tilegx/tilegx.c: New file.
8816 * config/tilegx/tilegx.h: New file.
8817 * config/tilegx/tilegx.md: New file.
8818 * config/tilegx/tilegx.opt: New file.
8819 * config/tilepro/constraints.md: New file.
8820 * config/tilepro/gen-mul-tables.cc: New file.
8821 * config/tilepro/linux.h: New file.
8822 * config/tilepro/mul-tables.c: New file.
8823 * config/tilepro/predicates.md: New file.
8824 * config/tilepro/t-tilepro: New file.
8825 * config/tilepro/tilepro-builtins.h: New file.
8826 * config/tilepro/tilepro-c.c: New file.
8827 * config/tilepro/tilepro-generic.md: New file.
8828 * config/tilepro/tilepro-modes.def: New file.
8829 * config/tilepro/tilepro-multiply.h: New file.
8830 * config/tilepro/tilepro-protos.h: New file.
8831 * config/tilepro/tilepro.c: New file.
8832 * config/tilepro/tilepro.h: New file.
8833 * config/tilepro/tilepro.md: New file.
8834 * config/tilepro/tilepro.opt: New file.
8836 2012-02-14 Jakub Jelinek <jakub@redhat.com>
8838 PR tree-optimization/52210
8839 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
8840 vect_model_simple_cost with two entry vect_def_type array instead
8841 of an address of dt.
8843 2012-02-14 Richard Guenther <rguenther@suse.de>
8846 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
8847 Do not stream DECL_QUALIFIER.
8848 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
8849 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
8850 (find_decls_types_r): Do not walk DECL_QUALIFIER.
8852 2012-02-14 Jakub Jelinek <jakub@redhat.com>
8855 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
8858 2012-02-13 Jakub Jelinek <jakub@redhat.com>
8861 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
8862 * cselib.c (cselib_subst_to_values_from_insn): New function.
8863 * sched-deps.c (add_insn_mem_dependence,
8864 sched_analyze_1, sched_analyze_2): Use it.
8866 2012-02-13 Jan Hubicka <jh@suse.cz>
8869 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
8871 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
8873 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
8874 (GTM_SELF_SPECS): Define if not already defined.
8875 (driver_self_specs): Add GTM_SELF_SPECS.
8876 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
8877 (GTM_SELF_SPECS): Define.
8878 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
8879 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
8881 2012-02-13 Jakub Jelinek <jakub@redhat.com>
8883 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
8886 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
8889 * omp-low.c (expand_omp_for): If a static schedule without chunk size
8890 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
8892 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
8895 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
8897 2012-02-13 Richard Guenther <rguenther@suse.de>
8899 PR translation/52211
8900 * passes.c (enable_disable_pass): Fix typo.
8902 2012-02-13 Jakub Jelinek <jakub@redhat.com>
8905 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
8906 XOR for reduce_bit_field if type is unsigned.
8908 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
8910 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
8911 disallow changes from SFmode to mode with different size in FP regs.
8913 2012-02-12 Robert Millan <rmh@gnu.org>
8914 Gerald Pfeifer <gerald@pfeifer.com>
8916 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
8919 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
8921 PR rtl-optimization/52175
8922 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
8923 to frame-related instructions.
8925 2012-02-10 Jason Merrill <jason@redhat.com>
8928 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
8929 (demangle_new_symbols): Fill it.
8930 (scan_linker_output): Walk it.
8931 (start_tweaking): Split out from scan_linker_output.
8932 (maybe_tweak): Update sym->chosen.
8933 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
8935 2012-02-11 Jakub Jelinek <jakub@redhat.com>
8938 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
8940 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
8942 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
8943 having the same mode as previous compare.
8945 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
8947 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
8948 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
8949 (nonlocal_goto_internal): Likewise.
8950 (nonlocal_goto): Emit a use and an indirect jump directly.
8952 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
8955 * doc/extend.texi : Update comments for __atomic_compare_exchange and
8956 __atomic_{is,always}_lock_free.
8958 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
8961 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
8962 negative constant address for TARGET_X32.
8964 2012-02-10 Richard Henderson <rth@redhat.com>
8966 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
8967 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
8968 for GIMPLE_TRANSACTION. Tidy if's into a switch.
8970 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8971 Ira Rosen <irar@il.ibm.com>
8973 PR tree-optimization/50031
8974 * targhooks.c (default_builtin_vectorization_cost): Handle
8976 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
8977 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
8978 all types of reduction and pattern statements.
8979 (vect_estimate_min_profitable_iters): Likewise.
8980 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
8981 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
8982 for explicit realigns.
8983 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
8984 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
8986 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
8987 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
8988 vec_perm for VSX and handle vec_promote_demote.
8990 2012-02-10 Jakub Jelinek <jakub@redhat.com>
8993 * builtins.c (fold_builtin_atomic_always_lock_free,
8994 expand_builtin_atomic_always_lock_free,
8995 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
8996 Return and/or test boolean_true_node/boolean_false_node instead of
8997 integer_one_node/integer_zero_node.
8999 2012-02-10 Jan Hubicka <jh@suse.cz>
9002 * predict.c (predict_paths_for_bb): Prevent looping.
9003 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
9005 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
9007 * config/arm/arm.c (output_move_double): In one case properly
9008 count number of instructions that will be emitted.
9010 2012-02-10 Richard Guenther <rguenther@suse.de>
9012 PR translation/52193
9013 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
9015 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
9018 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
9020 2012-02-09 Jakub Jelinek <jakub@redhat.com>
9023 * var-tracking.c (emit_note_insn_var_location): If
9024 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
9025 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
9026 non-NOTE_DURING_CALL_P insn.
9028 2012-02-09 Bin Cheng <bin.cheng@arm.com>
9031 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
9033 2012-02-08 Magnus Granberg <zorry@gentoo.org>
9036 * gcc.c (switch_matches) Support switches with separated form,
9039 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
9041 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
9043 (RAMPZ_ADDR): Ditto.
9044 * config/avr/avr.c (avr_addr_t): New typedef.
9045 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
9046 (avr_init_expanders): Initialize it.
9047 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
9049 (expand_epilogue): Ditto.
9050 (avr_print_operand): Ditto.
9051 (avr_file_start): Ditto.
9052 (avr_emit_movmemhi): Ditto.
9054 2012-02-08 Richard Guenther <rguenther@suse.de>
9056 PR tree-optimization/46886
9057 * tree-flow.h (do_while_loop_p): Declare.
9058 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
9059 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
9061 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
9063 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
9064 always succeed for integers larger than a native word.
9066 2012-02-08 Richard Guenther <rguenther@suse.de>
9068 PR rtl-optimization/52170
9069 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
9070 properly handle integer vector modes.
9072 2012-02-08 Jakub Jelinek <jakub@redhat.com>
9074 PR gcov-profile/52150
9075 * coverage.c: Include target.h.
9076 (build_var): Call targetm.strip_name_encoding on the assembler name.
9077 Change one _ into . or $ if the target allows it.
9078 * Makefile.in (coverage.o): Depend on $(TARGET_H).
9080 PR rtl-optimization/52139
9081 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
9082 is a BARRIER after emit_insn_after_noloc, move BB_END
9083 to the last non-BARRIER insn before it.
9085 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
9088 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
9089 (mips_gimplify_va_arg_expr): Call it instead of
9090 std_gimplify_va_arg_expr.
9092 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
9094 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
9095 message for -mno-pointers-to-nested-function.
9097 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
9100 * expr.c (get_inner_reference): If there is an offset, add a negative
9101 bit position to it (if any).
9103 2012-02-07 Jakub Jelinek <jakub@redhat.com>
9105 PR rtl-optimization/52060
9106 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
9107 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
9108 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
9109 and/or i0src_copy2 when needed.
9111 2012-02-07 Jakub Jelinek <jakub@redhat.com>
9113 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
9114 or LTOPLUGINSONAME if have_c.
9116 * config/freebsd-spec.h: Add comment about what macros can be defined
9118 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
9119 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
9122 2012-02-07 Richard Guenther <rguenther@suse.de>
9124 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
9125 newline in -alias dumps.
9127 2012-02-07 Kai Tietz <ktietz@redhat.com>
9128 Dave Korn <dave.korn.cygwin@gmail.com>
9131 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
9132 Take care that typinfo gets dllexport-attribute.
9134 2012-02-07 Jakub Jelinek <jakub@redhat.com>
9137 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
9138 if modifier < EXPAND_SUM call force_operand on the result.
9140 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
9142 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
9143 adding __forwarder_dst__ prefix if a forwarder_section attribute is
9145 (epiphany_function_type): Replace types for specific interrupts with
9146 EPIPHANY_FUNCTION_INTERRUPT.
9147 (EPIPHANY_INTERRUPT_P): Update.
9148 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
9149 New static function.
9150 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
9151 <disinterrupt>: Affects type identity.
9152 (epiphany_handle_interrupt_attribute): Handle variable number of
9154 (epiphany_compute_function_type): Update for new
9155 epiphany_function_type definition.
9156 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
9157 handlers with a longcall forwarder.
9158 (epiphany_start_function): Handle multiple interrupt arguments and/or
9159 forwarder_section attribute.
9161 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
9164 2012-02-07 Alan Modra <amodra@gmail.com>
9167 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
9170 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9172 PR tree-optimization/50969
9173 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
9174 use vec_perm rather than vector_stmt.
9175 (vect_model_load_cost): Likewise.
9176 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
9177 vec_perm to be the same as other vector statements.
9178 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
9179 cost of vec_perm for TARGET_VSX.
9181 2012-02-06 Richard Guenther <rguenther@suse.de>
9183 PR tree-optimization/52115
9184 * tree-sra.c (access_has_replacements_p): New function.
9185 (sra_modify_assign): Use it to decide whether a use is uninitialized.
9187 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
9190 * trans-mem.c (expand_call_tm): Add an assertion.
9191 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
9194 2012-02-06 Richard Guenther <rguenther@suse.de>
9196 PR tree-optimization/50955
9197 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
9198 raise cost of expressions that replace an address with an
9199 expression based on a different pointer.
9201 2012-02-06 Jakub Jelinek <jakub@redhat.com>
9204 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
9205 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
9207 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
9210 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
9211 -Weffc++ and specify guidelines come from second edition.
9213 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
9215 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
9216 (sibcall_value_multiple_internal, call_split, call_internal_direct)
9217 (call_direct_split, call_value_split, call_value_internal_direct)
9218 (call_value_direct_split, call_value_multiple_split): Use jal and
9219 jal_macro attributes.
9221 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
9223 * reload1.c (reload_regs_reach_end_p): Replace with...
9224 (reload_reg_rtx_reaches_end_p): ...this function.
9225 (new_spill_reg_store): Update commentary.
9226 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
9227 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
9228 before setting new_spill_reg_store.
9229 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
9230 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
9231 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
9232 for non-spill reload registers.
9234 2012-02-05 Ira Rosen <irar@il.ibm.com>
9236 PR tree-optimization/52091
9237 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
9238 (vect_is_simple_use_1): Likewise.
9239 * tree-vect-loop.c (vectorizable_reduction): Update calls
9240 to vect_is_simple_use_1 and vect_is_simple_use.
9241 (vectorizable_live_operation): Likewise.
9242 * tree-vect-patterns.c (widened_name_p,
9243 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
9244 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
9245 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
9246 vectorizable_shift,vectorizable_operation, vectorizable_store,
9247 vectorizable_load): Likewise.
9248 (vect_is_simple_cond): Add an argument, pass it to
9249 vect_is_simple_use_1.
9250 (vectorizable_condition): Update calls to vect_is_simple_cond,
9252 (vect_is_simple_use): Add an argument, the statement in which
9253 OPERAND is used. Check that if OPERAND's def stmt is a double
9254 reduction phi node, the use is a phi node too.
9255 (vect_is_simple_use_1): Add an argument, pass it to
9257 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
9258 to vect_is_simple_use.
9260 2012-02-04 Jakub Jelinek <jakub@redhat.com>
9262 PR rtl-optimization/52095
9263 * modulo-sched.c (dump_insn_locator): New function.
9264 (loop_canon_p, sms_schedule): Use it.
9266 PR rtl-optimization/52113
9267 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
9268 even for decomposable shift/zext insns.
9270 2012-02-03 Jakub Jelinek <jakub@redhat.com>
9271 Zdenek Dvorak <ook@ucw.cz>
9273 PR rtl-optimization/52092
9274 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
9275 on get_iv_value result.
9277 2012-02-02 Andrew Pinski <apinski@cavium.com>
9281 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
9283 2012-02-02 Jakub Jelinek <jakub@redhat.com>
9286 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
9288 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
9290 PR rtl-optimization/49800
9291 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
9292 (sched_finish): Call regstat_free_n_sets_and_refs.
9294 2012-02-02 Jia Liu <proljc@gmail.com>
9296 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
9299 2012-02-02 Jan Hubicka <jh@suse.cz>
9300 Tom de Vries <tom@codesourcery.com>
9303 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
9304 * varpool.c (varpool_analyze_pending_decls): Likewise.
9306 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
9307 Jayant R Sonar <jayant.sonar@kpitcummins.com>
9309 * config.gcc: Add cr16-* support.
9311 * doc/extend.texi: Document cr16 extensions.
9312 * doc/install.texi: Document cr16 install.
9313 * doc/invoke.texi: Document cr16 options.
9314 * doc/md.texi: Document cr16 constraints.
9316 * common/config/cr16/cr16-common.c: New file.
9317 * config/cr16/cr16.c: New file.
9318 * config/cr16/cr16.h: New file.
9319 * config/cr16/cr16.md: New file.
9320 * config/cr16/cr16.opt: New file.
9321 * config/cr16/cr16-protos.h: New file.
9322 * config/cr16/predicates.md: New file.
9323 * config/cr16/constraints.md: New file.
9324 * config/cr16/t-cr16: New file.
9326 2012-02-02 Jakub Jelinek <jakub@redhat.com>
9329 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
9330 that operands[2] is either immediate, or q_regs_operand.
9332 PR tree-optimization/52073
9333 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
9334 a pattern stmt for pattern uses, ignore uses outside of the loop.
9336 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
9338 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
9339 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
9340 (OUT_AS1, OUT_AS2): Remove.
9342 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
9344 PR rtl-optimization/51374
9345 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
9346 to cross other volatile_refs_p insns.
9348 2012-02-01 Richard Guenther <rguenther@suse.de>
9350 * doc/invoke.texi (fno-inline): Clarify documentation.
9351 (finline-small-functions): Likewise.
9352 (finline-functions): Likewise.
9353 * common.opt (finline): Adjust comment and documentation.
9354 (finline-small-functions): Clarify documentation.
9355 (finline-functions): Likewise.
9356 (finline-functions-called-once): Likewise.
9358 2012-02-01 Tristan Gingold <gingold@adacore.com>
9360 * c-typeck.c (composite_type): Keep mode for pointers.
9362 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
9364 * function.h (regno_reg_rtx): Adjust comment.
9365 * reginfo.c (init_reg_modes_target): Only use the previous mode
9366 if it fits within one register. Remove MIPS comment.
9368 2012-01-31 Jakub Jelinek <jakub@redhat.com>
9371 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
9373 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
9375 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
9376 to srak instruction.
9378 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
9380 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
9382 2012-01-31 Jakub Jelinek <jakub@redhat.com>
9387 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
9389 2012-01-31 Richard Guenther <rguenther@suse.de>
9391 PR tree-optimization/51528
9392 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
9395 2012-01-31 Jakub Jelinek <jakub@redhat.com>
9400 * ree.c (add_removable_extension): Change def_map argument
9401 to unsigned *, store in def_map 1 + offset into *insn_list vector
9402 instead of pointers into the vector.
9403 (find_removable_extensions): Adjust caller.
9405 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
9407 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
9408 Transform all "* quoted-c-code" to { c-code }.
9409 Remove redundant test for "optimize" in combine patterns.
9410 Move (include "avr-dimode.md") to end of file.
9412 2012-01-30 Bin Cheng <bin.cheng@arm.com>
9415 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
9416 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
9418 2012-01-30 Richard Guenther <rguenther@suse.de>
9420 PR tree-optimization/52028
9421 * tree-loop-distribution.c (ldist_gen): Properly update
9424 2012-01-30 Jakub Jelinek <jakub@redhat.com>
9427 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
9428 set_cur_line_info_table if not emitting debug info.
9430 PR tree-optimization/52046
9431 * tree-vect-patterns.c (check_bool_pattern): Give up if
9432 a comparison could throw.
9435 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
9437 2012-01-30 Richard Guenther <rguenther@suse.de>
9439 PR tree-optimization/52045
9440 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
9441 SSA form if cfgcleanup did anything.
9443 2012-01-30 Richard Guenther <rguenther@suse.de>
9445 PR tree-optimization/52045
9446 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
9447 before computing final todo.
9449 2012-01-30 Richard Guenther <rguenther@suse.de>
9451 PR tree-optimization/51528
9452 * tree-sra.c (sra_modify_assign): Re-factor in preparation
9455 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
9457 * df-problems.c (df_kill_notes): Check that the use refers
9458 to the note under examination.
9460 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
9463 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
9464 parameter and use short-lived pseudos.
9465 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
9466 (sparc_expand_vector_init): Const-ify local variables and adjust
9467 calls to above functions.
9469 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
9471 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
9473 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
9475 * doc/invoke.texi: Make usage of "compile time" and
9476 "run time"/"runtime" consistent throughout the file.
9478 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
9480 * config/alpha/alpha.c (alpha_option_override): Default to
9481 full IEEE compliance mode for Go language.
9483 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
9485 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
9486 (LINK_SSP_SPEC): Define.
9488 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9491 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
9494 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
9496 * doc/invoke.texi: Correct hyphenation of "floating point",
9497 "double precision", and related terminology throughout the file.
9499 2012-01-28 Jakub Jelinek <jakub@redhat.com>
9502 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
9503 arm_general_register_operand predicate for operand 2 instead of
9506 2012-01-27 Ian Lance Taylor <iant@google.com>
9509 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
9510 * builtins.c (expand_builtin_init_trampoline): Add onstack
9511 parameter. Change caller.
9512 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
9513 * tree.c (build_common_builtin_nodes): Declare
9514 __builtin_init_heap_trampoline.
9516 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
9518 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
9519 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
9520 * config/avr/avr.c: Ditto.
9521 (avr_regnames): Remove because unused.
9522 * config/avr/avr.md (*cpse.ne): New peephole.
9523 (*cpse.eq): New peephole from former cpse peepholes.
9525 2012-01-27 Michael Eager <eager@eagercon.com>
9527 * config/microblaze.c (microblaze_emit_compare): Correct
9528 test after pcmp instruction.
9530 2012-01-27 Richard Guenther <rguenther@suse.de>
9532 PR tree-optimization/52020
9533 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
9535 2012-01-27 Richard Guenther <rguenther@suse.de>
9537 * ipa-pure-const.c (check_stmt): Clobbers do not make a
9538 function non-const/pure.
9540 2012-01-27 Richard Guenther <rguenther@suse.de>
9542 PR tree-optimization/50444
9543 * tree-sra.c (build_ref_for_offset): Properly adjust the
9544 MEM_REF type for unaligned accesses.
9546 2012-01-27 Richard Guenther <rguenther@suse.de>
9548 PR tree-optimization/50444
9549 * expr.c (mem_ref_refers_to_non_mem_p): New function.
9550 (expand_assignment): Use it. Properly handle misaligned
9551 bases when expanding stores to component references.
9552 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
9555 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
9558 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
9559 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
9560 * tree-data-ref.c (find_data_references_in_loop): Make static.
9561 (compute_all_dependences): Change return type to bool. Bail out
9562 for too many datarefs in a loop. Move the hunk resetting the data
9563 dependences vector from ...
9564 (compute_data_dependences_for_loop): ... here. Account for
9565 compute_all_dependences returning false.
9566 (compute_data_dependences_for_bb): Likewise.
9567 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
9568 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
9570 2012-01-27 Richard Guenther <rguenther@suse.de>
9573 * expr.c (store_field): Use the alias-set of the scratch memory
9576 2012-01-27 Tom de Vries <tom@codesourcery.com>
9578 PR tree-optimization/51990
9579 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
9581 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
9583 2012-01-27 Jakub Jelinek <jakub@redhat.com>
9586 * var-tracking.c (reverse_op): Don't add any reverse operation
9587 if V already has any constant locations.
9589 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
9591 * doc/invoke.texi: Correct usage of "command line" (noun)
9592 vs "command-line" (adjective) throughout.
9594 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
9596 * doc/invoke.texi (Language Independent Options): Move
9597 -Wcoverage-mismatch blurb from here....
9598 (Warning Options): ...to here.
9600 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
9602 * config/rs6000/rs6000.c (rs6000_option_override_internal):
9603 Set rs6000_always_hint to false for 476.
9605 2012-01-27 Matthias Klose <doko@ubuntu.com>
9607 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
9609 * incpath.c (add_standard_paths): Likewise.
9611 2012-01-27 Richard Henderson <rth@redhat.com>
9613 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
9614 * config/m68k/sync.md (atomic_test_and_set): Rename from
9615 sync_test_and_setqi and adjust the operands.
9616 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
9617 and unconditionally enable.
9619 2012-01-27 Richard Henderson <rth@redhat.com>
9621 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
9622 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
9623 (ldstub): Rename from ldstubqi.
9624 (ldstub<I24MODE>): Remove.
9626 2012-01-27 Richard Henderson <rth@redhat.com>
9628 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
9629 * c-cppbuiltin.c (cpp_atomic_builtins): Define
9630 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
9631 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
9632 * doc/tm.texi: Rebuild.
9634 2012-01-27 Richard Henderson <rth@redhat.com>
9636 * optabs.c (gen_atomic_test_and_set): Remove default.
9637 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
9639 2012-01-26 Jakub Jelinek <jakub@redhat.com>
9641 PR rtl-optimization/51978
9642 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
9643 (combine_reaching_defs): Likewise.
9644 (struct re_info): Remove.
9645 (add_removable_extension): Remove x and data arguments,
9646 add insn, insn_list and def_map. Use the arguments directly
9647 instead of using struct re_info.
9648 (find_removable_extensions): Don't call add_removable_extension
9649 through note_stores, instead just call it with single_set
9651 (find_and_remove_re): Pass curr_cand->expr instead of
9652 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
9654 2012-01-26 Michael Matz <matz@suse.de>
9656 PR tree-optimization/46590
9657 * cfgexpand.c: Revert last change (r183305).
9658 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
9660 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
9661 checking for emptiness.
9663 2012-01-26 Jakub Jelinek <jakub@redhat.com>
9666 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
9667 non-addressable non-BLKmode base correctly.
9669 2012-01-26 Michael Matz <matz@suse.de>
9671 PR tree-optimization/48794
9672 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
9673 regions referenced from RESX/EH_DISPATCH.
9675 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
9677 * config/s390/s390.h: Make BRANCH_COST an option.
9678 * config/s390/s390.opt: New option -mbranch-cost.
9680 2012-01-26 Richard Henderson <rth@redhat.com>
9682 Revert 2012-01-24 change:
9683 * trans-mem.c (requires_barrier): Do not instrument thread local
9684 variables and emit save/restore for them.
9686 2012-01-25 Jakub Jelinek <jakub@redhat.com>
9689 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
9692 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
9694 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
9697 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
9700 Rename __pgm to __flash.
9701 Rename __pgm1 to __flash1.
9702 Rename __pgm2 to __flash2.
9703 Rename __pgm3 to __flash3.
9704 Rename __pgm4 to __flash4.
9705 Rename __pgm5 to __flash5.
9706 Rename __pgmx to __memx.
9707 * doc/extend.texi (AVR Named Address Spaces)
9708 Rename address space names as indicated above.
9709 * config/avr/avr.c (avr_addrspace): Ditto.
9711 * config/avr/avr-protos.h
9712 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
9713 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
9714 * config/avr/predicates.md: Ditto.
9715 * config/avr/avr.c Ditto, and
9716 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
9717 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
9719 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
9720 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
9721 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
9722 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
9723 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
9724 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
9725 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
9726 * config/avr/avr.c: Ditto.
9727 * config/avr/avr.md: Ditto.
9729 2012-01-25 Jason Merrill <jason@redhat.com>
9732 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
9734 2012-01-25 Jakub Jelinek <jakub@redhat.com>
9736 PR tree-optimization/51987
9737 * tree-data-ref.c (get_references_in_stmt): Handle references in
9738 non-volatile GIMPLE_ASM.
9740 2012-01-25 Richard Guenther <rguenther@suse.de>
9742 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
9743 bases are dereferenced.
9745 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
9747 PR rtl-optimization/48374
9748 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
9750 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
9752 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
9753 compute_data_dependences_for_loop returns false.
9754 * tree-parloops.c (loop_parallel_p): Likewise.
9756 2012-01-25 Richard Guenther <rguenther@suse.de>
9758 * tree.h (get_pointer_alignment_1): Declare.
9759 * builtins.c (get_pointer_alignment_1): New function.
9760 (get_pointer_alignment): Use it.
9762 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
9764 PR rtl-optimization/48308
9765 * combine.c (enum undo_kind): Add UNDO_LINKS.
9766 (struct undo): Add member l to other_contents and where.
9767 (do_SUBST_LINK): New.
9769 (try_combine): Handle LOG_LINKS for the dummy i1 case.
9770 (undo_all): Handle UNDO_LINKS.
9772 2012-01-25 Richard Henderson <rth@redhat.com>
9774 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
9777 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
9779 * optabs.c (gen_atomic_test_and_set): Use each argument.
9781 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
9783 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
9784 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
9785 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
9786 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
9787 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
9788 TARGET_PAIRED_SINGLE_FLOAT.
9790 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
9792 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
9793 (in_struct, return_val): Remove MEM documentation.
9794 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
9795 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
9796 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
9798 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9799 * cfgexpand.c (add_alias_set_conflicts): Likewise.
9800 * expr.c (store_field): Likewise.
9801 * function.c (assign_stack_temp_for_type): Likewise.
9802 * ifcvt.c (noce_try_cmove_arith): Likewise.
9803 * reload1.c (reload): Likewise.
9804 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
9805 (alpha_set_memflags): Likewise.
9806 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
9808 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
9810 * rtl.h (true_dependence, canon_true_dependence): Remove varies
9812 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
9813 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
9814 (true_dependence_1, true_dependence, canon_true_dependence): Remove
9816 * cselib.c (cselib_rtx_varies_p): Delete.
9817 (cselib_invalidate_mem): Update call to canon_true_dependence.
9818 * dse.c (record_store, check_mem_read_rtx): Likewise.
9819 (scan_reads_nospill): Likewise.
9820 * cse.c (check_dependence): Likewise.
9821 (cse_rtx_varies_p): Delete.
9822 * expr.c (safe_from_p): Update call to true_dependence.
9823 * ira.c (validate_equiv_mem_from_store): Likewise.
9824 (memref_referenced_p): Likewise.
9825 * postreload-gcse.c (find_mem_conflicts): Likewise.
9826 * sched-deps.c (sched_analyze_2): Likewise.
9827 * store-motion.c (load_kills_store): Likewise.
9828 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
9829 * gcse.c (mems_conflict_for_gcse_p): Likewise.
9830 (compute_transp): Update call to canon_true_dependence.
9832 2012-01-25 Richard Henderson <rth@redhat.com>
9834 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
9835 (maybe_emit_atomic_test_and_set): New.
9836 (expand_sync_lock_test_and_set): Use it.
9837 (expand_atomic_test_and_set): Likewise.
9838 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
9839 the implementation; clarify implementation defined details.
9840 * doc/md.texi (atomic_test_and_set): Document.
9842 2012-01-25 Richard Henderson <rth@redhat.com>
9844 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
9846 2012-01-25 Richard Henderson <rth@redhat.com>
9849 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
9850 to effect no-op split.
9852 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
9855 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
9856 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
9857 (BT_FN_VOID_PTR_INT_SIZE): New.
9858 (BT_FN_UINT_UINT_VAR): Remove.
9859 (BT_FN_UINT32_UINT32_VAR): New.
9860 (BT_FN_DOUBLE_VPTR): Remove.
9861 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
9863 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
9864 (_ITM_changeTransactionMode): Same.
9865 (_ITM_memmoveRtWt): Change return type to void.
9866 (_ITM_memcpyRtWt): Same.
9867 (_ITM_memsetW): Same.
9868 (_ITM_RaRD): Change types to double.
9873 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
9875 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
9876 Patrick Marlier <patrick.marlier@gmail.com>
9878 * trans-mem.c (requires_barrier): Do not instrument thread local
9879 variables and emit save/restore for them.
9881 2012-01-24 Jason Merrill <jason@redhat.com>
9884 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
9885 output static aliases.
9887 2012-01-24 Jakub Jelinek <jakub@redhat.com>
9890 * common.opt (-pie, -shared, pie, shared): Change from Common to
9892 * gcc.c (display_help): Display help for -pie and -shared.
9894 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
9897 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
9898 Remove note on size/offset limitation.
9899 (AVR Variable Attributes): Add example how to read data located
9900 with progmem. Refer to named address spaces.
9901 * doc/invoke.texi (AVR Options): Fix typo.
9903 2012-01-24 Richard Guenther <rguenther@suse.de>
9905 Forward-port to trunk
9906 2010-09-21 Jakub Jelinek <jakub@redhat.com>
9909 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
9910 op0 isn't sufficiently aligned and there is movmisalignM
9911 insn for mode, use it to load op0 into a temporary register.
9913 2012-01-24 Jakub Jelinek <jakub@redhat.com>
9916 * target.def (const_not_ok_for_debug_p): New hook.
9917 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
9919 * doc/tm.texi: Regenerated.
9920 * dwarf2out.c (const_ok_for_output_1): If
9921 targetm.const_not_ok_for_debug_p returns true, fail.
9922 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
9924 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
9926 2012-01-23 Kai Tietz <ktietz@redhat.com>
9929 * config/i386/predicates.md (symbolic_operand): Allow
9930 UNSPEC_PCREL as PIC expression for lea.
9931 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
9932 * config/i386/i386.c (ix86_delegitimize_address): Handle
9933 UNSPEC_PCREL for none-MEM, too.
9935 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
9937 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
9938 (ipa_tm_create_version_alias): Same.
9940 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
9943 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
9944 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
9946 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
9947 Patrick Marlier <patrick.marlier@gmail.com>
9948 Iain Sandoe <developer@sandoe-acoustics.co.uk>
9951 * lto-wrapper.c (run_gcc): Pass the LTO section name to
9952 simple_object_start_read.
9954 2012-01-23 Richard Guenther <rguenther@suse.de>
9957 PR tree-optimization/51895
9958 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
9959 parameter decomposition into BLKmode components.
9961 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
9963 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
9964 fake variables for restrict-qualified pointers whose pointed-to type
9965 contains a placeholder.
9967 2012-01-23 Richard Guenther <rguenther@suse.de>
9969 PR tree-optimization/51949
9970 * ipa-split.c (execute_split_functions): Do not split malloc functions.
9972 2012-01-23 Jakub Jelinek <jakub@redhat.com>
9974 PR rtl-optimization/51933
9975 * ree.c (transform_ifelse): Return true right away if dstreg is
9976 already wider or equal to cand->mode.
9977 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
9978 (make_defs_and_copies_lists): Remove defs_list and copies_list
9979 arguments, add state argument, just truncate state->work_list
9980 instead of always allocating and freeing the vector. Assert that
9981 get_defs succeeds instead of returning 2. Changed return type to bool.
9982 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
9983 have ext_src_mode, see if it has been modified already with the
9984 right kind of extension and has been extended before from the
9985 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
9986 just return true. Remember the original mode in state->modified array.
9987 (combine_reaching_defs): Add state argument. Don't allocate and
9988 free here def_list, copied_list and vec vectors, instead just
9989 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
9990 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
9991 Add state variable, clear vectors in it, initialize state.modified
9992 if needed. Free all the vectors at the end and state.modified too.
9993 Don't skip a candidate if the extension expression has been modified.
9995 2012-01-22 Douglas B Rupp <rupp@gnat.com>
9998 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
9999 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
10000 (extra_options) interix.opt -> i386/interix.opt"
10001 (extra_objs):Add winnt-stubs.o
10002 * configure.ac: Add interix to target_os .comm on PE check.
10003 * configure: Regenerate.
10004 * config/interix3.h: Delete and move bits to..
10005 * config/interix.h: Delete and move bits to..
10006 * config/i386/i386-interix3.h: Delete and move bits to..
10007 * config/i386/i386-interix.h: ..here.
10008 (TARGET_CPU_DEFAULT): Remove redefinition.
10009 (TARGET_ASM_CONSTRUCTOR): Undefine.
10010 (SUBTARGET_SWITCHES): Define for ms-bitfields.
10011 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
10012 (PTRDIFF_TYPE): Define.
10013 (LONG_DOUBLE_TYPE_SIZE): Define.
10014 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
10015 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
10016 (TARGET_SECTION_TYPE_FLAGS): Define.
10017 (ASM_DECLARE_FUNCTION_NAME): Define.
10018 (ASM_OUTPUT_EXTERNAL): Define.
10019 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
10020 (ASM_OUTPUT_ALIGNED_BSS): Define.
10021 (PCC_BITFIELD_TYPE_MATTERS): Define.
10022 (USE_CONST_SECTION): Define.
10023 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
10024 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
10025 (SUPPORTS_ONE_ONLY): Remove.
10026 (I386_PE_STRIP_ENCODING): Define.
10027 * config/interix.opt: Delete and move bits to..
10028 * config/i386/interix.opt: ..here. New.
10029 (mpe-aligned-commons): Add.
10030 * config/i386/t-interix: Add copyright header.
10031 (winnt-stubs.o): Add rule.
10033 2012-01-22 Jason Merrill <jason@redhat.com>
10036 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
10037 for extra name aliases.
10039 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
10041 PR rtl-optimization/51924
10042 * ree.c (combine_set_extension): Improve debugging message.
10043 (combine_reaching_defs): Likewise.
10044 (get_defs): Rename confusingly named variable.
10045 (find_and_remove_re): Skip a candidate if the extension expression has
10048 2012-01-21 Robert Millan <rmh@gnu.org>
10049 Gerald Pfeifer <gerald@pfeifer.com>
10051 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
10052 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
10054 2012-01-20 Jakub Jelinek <jakub@redhat.com>
10056 PR tree-optimization/51914
10057 * tree-vect-stmts.c (vectorizable_conversion): For
10058 cvt_type && modifier == WIDEN, put temporary with cvt_type
10059 at the beginning of vec_dsts and set vec_dest to temporary
10062 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
10064 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
10066 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
10068 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
10069 * config/rs6000/rs6000.c: Likewise.
10071 2012-01-20 Jakub Jelinek <jakub@redhat.com>
10074 * config/arm/arm.c (arm_count_output_move_double_insns): Call
10075 output_move_double on a copy of operands array.
10077 2012-01-20 Cary Coutant <ccoutant@google.com>
10078 Dodji Seketeli <dodji@redhat.com>
10081 * dwarf2out.c (copy_declaration_context): Return ref to parent
10082 of declaration DIE, if necessary.
10083 (remove_child_or_replace_with_skeleton): Add new parameter; update
10084 caller. Place skeleton DIE under parent DIE of original declaration.
10085 Move call to copy_declaration_context to here ...
10086 (break_out_comdat_types): ... from here.
10088 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
10090 PR rtl-optimization/51856
10091 * reload.c (find_reloads_subreg_address): Set the address_reloaded
10094 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
10097 * config/arm/arm.c (arm_print_operand): Correct output of alignment
10098 hints for neon loads and stores.
10100 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
10104 * doc/extend.texi (Named Address Spaces): Split into subsections.
10105 (AVR Named Address Spaces): New subsection.
10106 (M32C Named Address Spaces): New subsection.
10107 (RL78 Named Address Spaces): New subsection.
10108 (SPU Named Address Spaces): New subsection.
10109 (Variable Attributes): New anchor "AVR Variable Attributes".
10110 (AVR Variable Attributes): Rewrite and avoid wording
10111 "address space" in this context.
10112 * doc/invoke.texi (AVR Options): Rewrite and add documentation
10113 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
10114 (AVR Built-in Macros): New subsubsection therein.
10115 * doc/md.texi (AVR constraints): Remove "C04", "R".
10117 2012-01-20 Richard Guenther <rguenther@suse.de>
10119 PR tree-optimization/51903
10120 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
10121 when removing stmts.
10123 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
10126 * config/arm/arm.c (arm_load_pic_register): Use
10127 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
10128 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
10129 (arm_pic_static_addr): Likewise.
10130 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
10131 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
10132 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
10133 (pic_load_addr_unified): New.
10135 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
10138 * function.c (instantiate_virtual_regs_in_insn): Use
10139 delete_insn_and_edges when removing a wrong asm insn.
10141 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
10143 PR rtl-optimization/40761
10144 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
10145 Add new member loop_num.
10146 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
10147 (ira_build): Remove the parameter.
10149 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
10150 (ira.c): Do not build CFG loops for one region allocation. Remove
10151 argument from ira_build call.
10153 * ira-build.c (init_loop_tree_node): New function.
10154 (create_loop_tree_nodes): Use it. Separate the case when CFG
10155 loops are not built.
10156 (more_one_region_p): Check current_loops.
10157 (finish_loop_tree_nodes): Separate the case when CFG loops are not
10159 (add_loop_to_tree): Process loop equal to NULL too.
10160 (form_loop_tree): Separate the case when CFG loops are not built.
10161 Use explicitly number for the root.
10162 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
10164 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
10165 instead of loop->num.
10166 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
10167 (mark_all_loops_for_removal): Ditto.
10168 (remove_unnecessary_regions): Separate the case when CFG loops
10170 (ira_build): Remove the parameter. Use explicit number of regions
10171 when CFG loops are not built.
10173 * ira-color.c (print_loop_title): Separate the case for the root node.
10174 Use loop_num instead of loop->num.
10175 (move_spill_restore): Use loop_num instead of loop->num.
10177 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
10178 (change_loop): Ditto.
10179 (change_loop): Use loop_num instead of loop->num.
10181 * ira-lives.c (process_bb_node_lives): Ditto.
10183 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
10185 * ira-conflicts.c (print_allocno_conflicts): Ditto.
10187 2012-01-19 Jakub Jelinek <jakub@redhat.com>
10189 PR libmudflap/40778
10190 * tree-mudflap.c (mf_artificial): New function.
10191 (execute_mudflap_function_ops, execute_mudflap_function_decls,
10192 mx_register_decls, mudflap_enqueue_decl): Use it.
10195 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
10196 numbers in the insn pattern.
10198 2012-01-19 Michael Matz <matz@suse.de>
10200 PR tree-optimization/46590
10201 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
10202 use it in remembering which conflicts we already created.
10203 (add_scope_conflicts): Adjust call to above, (de)allocate helper
10206 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
10209 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
10210 (merge_and_complain): Same.
10212 2012-01-19 Jakub Jelinek <jakub@redhat.com>
10215 * config/initfini-array.h: Guard content of the header
10216 with #ifdef HAVE_INITFINI_ARRAY.
10217 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
10218 Add initfini-array.h to tm_file here.
10219 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
10220 * config.gcc: Don't add initfini-array.h to tm_file here.
10221 * configure: Regenerated.
10223 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
10225 PR rtl-optimization/51505
10226 * df-problems.c (df_kill_notes): New parameter live. Update comment.
10227 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
10228 (df_note_bb_compute): Update the call to df_kill_notes.
10230 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
10232 * trans-mem.c (requires_barrier): Remove call to is_global_var.
10234 2012-01-18 Richard Guenther <rguenther@suse.de>
10236 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
10237 of conversions to void *.
10239 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
10240 Richard Sandiford <rdsandiford@googlemail.com>
10242 PR middle-end/50325
10243 PR middle-end/51192
10244 * optabs.h (simplify_expand_binop): Declare.
10245 * optabs.c (simplify_expand_binop): Make global.
10246 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
10247 endian targets if the source cannot be exactly covered by word
10250 2012-01-17 Jakub Jelinek <jakub@redhat.com>
10253 * hard-reg-set.h (struct hard_reg_set_container): New type.
10254 * target.h (struct hard_reg_set_container): Forward declare.
10255 * target.def (set_up_by_prologue): New target hook.
10256 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
10257 * doc/tm.texi: Regenerated.
10258 * function.c (thread_prologue_and_epilogue_insns): Change
10259 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
10260 Call targetm.set_up_by_prologue on it.
10261 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
10262 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
10264 2012-01-17 Nick Clifton <nickc@redhat.com>
10266 * config/rx/rx.c (rx_can_use_simple_return): New function.
10267 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
10268 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
10270 2012-01-17 Richard Guenther <rguenther@suse.de>
10272 PR middle-end/51782
10273 * expr.c (expand_assignment): Take address-space information
10274 from the address operand of MEM_REF and TARGET_MEM_REF.
10275 (expand_expr_real_1): Likewise.
10277 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
10279 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
10280 reload dump is requested.
10282 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
10285 * trans-mem.c (requires_barrier): Call may_be_aliased.
10287 2012-01-17 Jakub Jelinek <jakub@redhat.com>
10289 PR tree-optimization/51877
10290 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
10291 call arguments and fndecls compare equal, instead return false if they
10292 don't. Return true only if lhs1 and lhs2 are either both NULL, or
10293 both SSA_NAMEs that are valueized the same, or they satisfy
10296 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
10298 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
10300 * configure: Regenerate.
10302 2012-01-16 Jan Hubicka <jh@suse.cz>
10306 * convert.c (convert_to_integer): Use fold_convert for
10307 converting an INTEGER_CST to integer type.
10309 2012-01-16 Jason Merrill <jason@redhat.com>
10312 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
10314 2012-01-16 Jakub Jelinek <jakub@redhat.com>
10317 * config/s390/s390.c (s390_chunkify_start): Don't skip
10318 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
10319 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
10320 If insn is followed by NOTE_INSN_VAR_LOCATION or
10321 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
10322 Don't use location of note insns.
10324 PR tree-optimization/51865
10325 * tree-inline.c (tree_function_versioning): Call remap_decl
10326 on DECL_RESULT whenever it has VOID_TYPE_P type.
10328 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
10330 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
10331 for calls to locally-binding MIPS16 functions if only the return
10332 type uses float regs.
10334 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
10335 Richard Sandiford <rdsandiford@googlemail.com>
10337 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
10338 (SYMBOL_32_HIGH): Likewise.
10339 (mips_output_tls_reloc_directive): Declare.
10340 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
10341 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
10342 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
10343 (mips_lo_relocs, mips_hi_relocs): Make extern.
10344 (mips16_stub_function): Move up file.
10345 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
10346 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
10347 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
10348 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
10349 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
10350 (mips_get_tp): Add MIPS16 support.
10351 (mips_legitimize_tls_address): Remove MIPS16 sorry().
10352 Generalize DTPREL and TPREL handling.
10353 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
10354 Add MIPS16 TLS support.
10355 (mips_output_tls_reloc_directive): New function.
10356 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
10357 * config/mips/predicates.md (symbolic_operand_with_high)
10358 (tls_reloc_operand): New predicates.
10359 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
10360 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
10361 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
10362 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
10363 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
10364 (*tls_get_tp_mips16_call_<mode>): Likewise.
10366 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
10368 PR rtl-optimization/51821
10369 * recog.c (peep2_find_free_register): Determine clobbered registers
10372 2012-01-14 Denis Chertykov <chertykov@gmail.com>
10375 * config/avr/avr-protos.h: Revert change of 2012-01-09.
10376 * config/avr/avr.c: Likewise.
10377 * config/avr/avr.h: Likewise.
10379 2012-01-13 Ian Lance Taylor <iant@google.com>
10382 * tree.h (TYPE_QUALS): Add cast to int.
10383 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
10385 2012-01-13 Ian Lance Taylor <iant@google.com>
10387 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
10388 comparing param_index to VEC_length result.
10390 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
10392 * c-decl.c: Do not include tree-mudflap.h
10393 * tree-optimize.c: Likewise.
10394 * Makefile.in: Update dependencies.
10396 2012-01-13 Richard Guenther <rguenther@suse.de>
10399 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
10400 variable-sized result always use RSO.
10402 2012-01-12 DJ Delorie <dj@redhat.com>
10404 * cfgexpand.c (convert_debug_memory_address): Allow any valid
10405 pointer type, not just the default pointer type.
10407 2012-01-09 Richard Henderson <rth@redhat.com>
10408 Denis Chertykov <chertykov@gmail.com>
10411 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
10412 * config/avr/avr.c (avr_can_eliminate): Simplify.
10413 (avr_initial_elimination_offset): Likewise.
10414 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
10415 (expand_epilogue): Likewise.
10416 (avr_legitimize_address): Gut.
10417 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
10418 (avr_hard_regno_nregs): New.
10419 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
10420 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
10421 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
10422 add soft frame pointer.
10423 (CALL_USED_REGISTERS): Likewise.
10424 (REG_CLASS_CONTENTS): Likewise.
10425 (REGISTER_NAMES): Likewise.
10426 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
10427 (HARD_FRAME_POINTER_REGNUM): New.
10428 (FRAME_POINTER_REGNUM): Use soft frame pointer.
10429 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
10430 remove the HARD_FRAME_POINTER self-elimination.
10432 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
10435 * config/avr/avr.c (avr_encode_section_info): Test for absence of
10436 DECL_EXTERNAL when checking for initializers of progmem variables.
10438 2012-01-12 Ira Rosen <irar@il.ibm.com>
10440 PR tree-optimization/51799
10441 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
10442 that the last operation is a type demotion.
10444 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
10446 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
10447 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
10449 2012-01-11 Jakub Jelinek <jakub@redhat.com>
10452 * combine.c (distribute_notes): If i3 is a noreturn call,
10453 allow old_size to be equal to args_size and make sure the
10454 noreturn call gets REG_ARGS_SIZE note.
10455 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
10456 on noreturn calls even when the delta is 0.
10458 2012-01-11 Nathan Sidwell <nathan@acm.org>
10460 * gcov.c (STRING_SIZE): Remove.
10461 (generate_results): Erase annotations for source files with no
10462 coverage information.
10464 (output_lines): Use it.
10466 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
10468 * gimple.h (gimplify_body): Remove first argument.
10469 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
10470 pointer set here, instead just pass DATA to walk_tree.
10471 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
10472 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
10473 (unvisit_body): Likewise, but with unmark_visited.
10474 (gimplify_body): Remove BODY_P argument and adjust.
10475 (gimplify_function_tree): Adjust call to gimplify_body.
10476 * omp-low.c (finalize_task_copyfn): Likewise.
10478 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
10480 * tree.h (build_function_decl_skip_args): Add boolean parameter.
10481 (build_function_type_skip_args): Delete.
10482 * tree.c (build_function_type_skip_args): Make static and add
10483 SKIP_RETURN parameter. Fix thinko in the handling of variants.
10484 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
10485 pass it to build_function_type_skip_args.
10486 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
10487 (tree_function_versioning): Likewise.
10488 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
10489 build_function_decl_skip_args.
10490 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
10491 and pass it to build_function_decl_skip_args/tree_function_versioning.
10492 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
10493 * ipa-inline-transform.c (save_inline_function_body): Likewise.
10494 * trans-mem.c (ipa_tm_create_version): Likewise.
10495 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
10496 * tree-inline.c (declare_return_variable): Remove always-true test.
10497 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
10498 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
10499 * ipa-split.c (split_function): Skip the return value for the split
10500 part if it doesn't return.
10502 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
10504 PR tree-optimization/49642
10505 * ipa-split.c (forbidden_dominators): New variable.
10506 (check_forbidden_calls): New function.
10507 (dominated_by_forbidden): Likewise.
10508 (consider_split): Check for forbidden dominators.
10509 (execute_split_functions): Initialize and free forbidden
10510 dominators info; call check_forbidden_calls.
10512 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
10514 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
10516 2012-01-11 Nick Clifton <nickc@redhat.com>
10518 * config/rx/rx.md (return): Define pattern.
10520 2012-01-11 Richard Guenther <rguenther@suse.de>
10522 * doc/extend.texi (malloc attribute): Adjust according to
10525 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
10526 Patrick Marlier <patrick.marlier@gmail.com>
10528 PR middle-end/51516
10529 * trans-mem.c (get_cg_data): Traverse aliases if requested.
10530 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
10531 (ipa_tm_note_irrevocable): Same.
10532 (ipa_tm_scan_irr_block): Same.
10533 (ipa_tm_decrement_clone_counts): Same.
10534 (ipa_tm_scan_irr_function): Same.
10535 (ipa_tm_create_version_alias): Same.
10536 (ipa_tm_create_version): Same.
10537 (ipa_tm_transform_calls_redirect): Same.
10538 (ipa_tm_transform_calls): Same.
10539 (ipa_tm_transform_transaction): Same.
10540 (ipa_tm_execute): Same.
10542 2012-01-10 Richard Guenther <rguenther@suse.de>
10544 PR middle-end/51806
10545 * opts.c (common_handle_option): Handle -Werror.
10547 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
10549 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
10552 2012-01-10 Jason Merrill <jason@redhat.com>
10554 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
10557 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
10559 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
10560 supports R_386_TLS_GD_PLT reloc.
10561 (gcc_cv_as_ix86_tlsldmplt): Check if linker
10562 supports R_386_TLS_LDM_PLT reloc.
10563 * configure: Regenerate.
10564 * config.in: Regenerate.
10566 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
10569 Extend __pgmx semantics to linearize memory.
10570 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
10571 determine if code comes inline or from libgcc.
10572 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
10573 (movmem_qi, movmem_qi): Set constraint #2 to "n".
10574 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
10575 (movmemx_qi, movmemx_hi): New insns.
10576 (xload_<mode>_libgcc): Rewrite to new insn condition.
10577 (xload_<mode>): Remove insns.
10578 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
10579 cases that don't satisfy avr_xload_libgcc_p().
10580 (avr_addr_space_convert): Allow converting in any direction.
10581 (avr_addr_space_subset_p): Return always true.
10582 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
10583 (avr_emit_movmemhi): Ditto.
10584 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
10585 (avr_out_movmem): Ditto.
10586 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
10587 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
10588 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
10589 (avr_encode_section_info): Encode 'progmem' in symbol flags.
10590 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
10592 2012-01-10 Richard Guenther <rguenther@suse.de>
10594 PR tree-optimization/50913
10595 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
10596 Require data-refs to be representable by Graphite with respect
10599 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
10601 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
10602 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
10604 2012-01-10 Tom de Vries <tom@codesourcery.com>
10606 PR rtl-optimization/51271
10607 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
10608 handling annulled branch.
10610 2012-01-10 Richard Henderson <rth@redhat.com>
10612 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
10613 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
10614 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
10615 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
10616 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
10617 arm_expand_vec_perm_const): New.
10618 * config/arm/arm-protos.h: Update.
10619 * config/arm/neon.md (UNSPEC_VCONCAT): New.
10620 (*neon_vswp<VDQX>): New.
10621 (neon_vcombine<VDX>): Use neon_split_vcombine.
10622 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
10623 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
10624 (vec_perm<VE>): New.
10626 2012-01-10 Richard Henderson <rth@redhat.com>
10628 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
10629 use it if reload_completed.
10630 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
10631 arm_output_asm_insn, arm_process_output_memory_barrier,
10632 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
10633 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
10634 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
10635 arm_process_output_sync_insn, arm_output_sync_insn,
10636 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
10637 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
10638 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
10639 (emit_unlikely_jump): New.
10640 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
10641 (arm_split_atomic_op): New.
10642 * config/arm/arm-protos.h: Update.
10643 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
10644 (struct arm_sync_generator): Remove.
10645 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
10646 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
10647 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
10648 (VUNSPEC_LL, VUNSPEC_SC): New.
10649 (sync_result, sync_memory, sync_required_value, sync_new_value,
10650 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
10651 (attr length): Don't use arm_sync_loop_insns.
10652 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
10653 (movsfcc, movdfcc): Likewise.
10654 * config/arm/constraints.md (Ua): New.
10655 * config/arm/prediates.md (mem_noofs_operand): New.
10656 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
10657 (sync_clobber, sync_t2_reqd): Remove.
10658 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
10659 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
10660 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
10661 (arm_sync_compare_and_swap<SIDI>): Remove.
10662 (arm_sync_compare_and_swap<NARROW>): Remove.
10663 (arm_sync_lock_test_and_set<SIDI>): Remove.
10664 (arm_sync_lock_test_and_set<NARROW>): Remove.
10665 (arm_sync_new_<syncop><SIDI>): Remove.
10666 (arm_sync_new_<syncop><NARROW>): Remove.
10667 (arm_sync_new_nand<SIDI>): Remove.
10668 (arm_sync_new_nand<NARROW>): Remove.
10669 (arm_sync_old_<syncop><SIDI>): Remove.
10670 (arm_sync_old_<syncop><NARROW>): Remove.
10671 (arm_sync_old_nand<SIDI>): Remove.
10672 (arm_sync_old_nand<NARROW>): Remove.
10673 (*memory_barrier): Merge arm_output_memory_barrier.
10674 (atomic_compare_and_swap<QHSD>): New.
10675 (atomic_compare_and_swap<NARROW>_1): New.
10676 (atomic_compare_and_swap<SIDI>_1): New.
10677 (atomic_exchange<QHSD>): New.
10678 (cas_cmp_operand, cas_cmp_str): New.
10679 (atomic_op_operand, atomic_op_str): New.
10680 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
10681 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
10682 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
10683 (arm_load_exclusive<NARROW>): New.
10684 (arm_load_exclusivesi, arm_load_exclusivedi): New.
10685 (arm_store_exclusive<QHSD>): New.
10687 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
10689 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
10690 reload patterns if -mvsx-scalar-memory.
10692 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
10693 generated, even -mno-vsx-scalar-double was used.
10694 (vsx_xscvdpsp_scalar): Likewise.
10695 (vsx_xscvspdp_scalar2): Likewise.
10697 2012-01-09 Tom de Vries <tom@codesourcery.com>
10698 Andrew Pinski <apinski@cavium.com>
10701 * reorg.c (fill_slots_from_thread): Don't speculate
10702 frame-related insns.
10704 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
10706 * sched-int.h (bb_note): Move to...
10707 * basic-block.h: ...here.
10708 * haifa-sched.c (bb_note): Move to...
10709 * cfgrtl.c: ...here.
10710 * function.c (next_block_for_reg): New function.
10711 (move_insn_for_shrink_wrap): Likewise.
10712 (prepare_shrink_wrap): Rewrite to use the above.
10714 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
10716 * gimple.c (is_gimple_non_addressable): Remove.
10717 * gimple.h: Remove is_gimple_non_addressable.
10718 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
10719 is_gimple_non_addressable.
10720 * trans-mem.c (expand_assign_tm): Same.
10722 2012-01-09 Richard Guenther <rguenther@suse.de>
10724 PR tree-optimization/51775
10725 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
10726 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
10728 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
10730 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
10732 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
10734 2012-01-09 Richard Guenther <rguenther@suse.de>
10736 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
10738 2012-01-08 Jan Hubicka <jh@suse.cz>
10740 PR tree-optimize/51680
10741 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
10742 on when known_vals needs to be computed; cleanup.
10744 2012-01-08 Jan Hubicka <jh@suse.cz>
10746 PR tree-optimize/51694
10747 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
10749 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
10751 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
10752 for -std=c++98 and -std=c++11 too.
10754 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
10756 * cfgloop.c (cancel_loop): Add free() of bbs array.
10758 2012-01-07 Jan Hubicka <jh@suse.cz>
10760 PR tree-optimization/51600
10761 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
10762 that benefits small functions.
10764 2012-01-07 Jan Hubicka <jh@suse.cz>
10766 * ipa-inline.c (want_inline_small_function_p): Fix formating.
10768 2012-01-07 Jan Hubicka <jh@suse.cz>
10770 PR tree-optimization/51680
10771 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
10772 whose inlining reduce unit size.
10774 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
10777 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
10778 Add canonical node to containing_mem chain after the non-canonical
10779 one, even if there weren't any locs to propagate.
10780 (remove_useless_values): Keep only canonical values.
10781 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
10782 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
10783 canonicalize mem_chain elements that are not discarded.
10785 2012-01-06 Jakub Jelinek <jakub@redhat.com>
10788 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
10789 before emitting functions.
10791 PR gcov-profile/50127
10792 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
10793 clear_aux_for_blocks.
10795 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
10798 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
10800 2012-01-06 Arnaud Charlet <charlet@adacore.com>
10802 * c-decl.c (ext_block): Moved up.
10803 (collect_all_refs, for_each_global_decl): Take ext_block into account.
10805 2012-01-06 Han Shen <shenhan@google.com>
10807 Translate built-in include paths for sysroot.
10808 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
10809 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
10811 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
10812 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
10814 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
10815 control whether sysroot should be prepended to gxx include dir.
10817 * configure: Regenerate.
10819 2012-01-06 Torvald Riegel <triegel@redhat.com>
10821 PR rtl-optimization/51771
10822 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
10823 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
10825 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
10827 PR tree-optimization/51315
10828 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
10829 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
10831 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
10834 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
10835 for shrp pattern. Correctly handle and fixup shift variable.
10836 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
10838 2012-01-05 Jakub Jelinek <jakub@redhat.com>
10841 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
10842 note when !ACCUMULATE_OUTGOING_ARGS.
10844 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
10846 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
10848 (extract_range_from_unary_expr_1): Avoid useless computations.
10850 2012-01-05 Jakub Jelinek <jakub@redhat.com>
10852 PR rtl-optimization/51767
10853 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
10854 of jump_block and add an extra edge for degenerated asm gotos.
10856 PR middle-end/51768
10857 * stmt.c (check_unique_operand_names): Don't ICE during error
10858 reporting if i is from labels chain.
10860 PR middle-end/44777
10861 * profile.c (branch_prob): Split bbs that have exit edge
10862 and need a fake entry edge too.
10864 2012-01-05 Jan Hubicka <jh@suse.cz>
10866 PR middle-end/49710
10867 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
10870 2012-01-05 Richard Guenther <rguenther@suse.de>
10873 * tree-streamer-out.c (write_ts_optimization): New function.
10874 (streamer_write_tree_body): Call it.
10875 * tree-streamer-in.c (lto_input_ts_optimization): New function.
10876 (streamer_read_tree_body): Call it.
10877 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
10879 2012-01-05 Jakub Jelinek <jakub@redhat.com>
10881 PR middle-end/51761
10882 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
10883 * gimplify.c (gimplify_cleanup_point_expr): Save and set
10884 in_cleanup_point_expr before gimplify_stmt call and restore it
10886 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
10887 in_cleanup_point_expr is false.
10889 2012-01-05 Richard Guenther <rguenther@suse.de>
10891 PR middle-end/51764
10892 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
10894 * toplev.c (process_options): Reject combining mudflap and LTO.
10895 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
10897 2012-01-05 Richard Guenther <rguenther@suse.de>
10899 PR tree-optimization/51760
10900 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
10902 (bit_value_unop): Handle UNDEFINED operands.
10903 (bit_value_binop): Likewise.
10905 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
10907 * config/avr/avr.c (avr_replace_prefix): Remove.
10908 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
10909 (avr_asm_function_rodata_section): Ditto.
10910 (avr_asm_select_section): Ditto.
10912 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
10914 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
10917 2012-01-05 Jakub Jelinek <jakub@redhat.com>
10920 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
10921 calls that have any non-fake successor edges.
10924 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
10926 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
10928 PR tree-optimization/51624
10929 * tree-sra.c (build_ref_for_model): When replicating a chain of
10930 COMPONENT_REFs, stop as soon as the offset would become negative.
10932 2012-01-04 Jakub Jelinek <jakub@redhat.com>
10935 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
10936 in .debug_loc on the floor.
10938 2012-01-04 Andrew Pinski <apinski@cavium.com>
10940 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
10942 2012-01-04 Andrew Pinski <apinski@cavium.com>
10943 Adam Nemet <anemet@caviumnetworks.com>
10945 * config/mips/mips.md (size): Add SI and DI.
10946 (SIZE): New mode attribute.
10947 (U): New code attribute.
10948 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
10949 (mips_lbux_<mode>): Delete.
10950 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
10951 (mips_lhx): Use gen_mips_lhx_extsi.
10952 (mips_lhx_<mode>): Delete.
10953 (mips_lwx): Delete.
10954 (mips_l<size>x): New expand.
10955 (mips_lwx_<mode>): Delete.
10956 (mips_l<GPR:size>x_<P:mode>): New pattern.
10957 (*mips_lw<u>x_<P:mode>_ext): Likewise.
10958 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
10959 * config/mips/mips.c (mips_lx_address_p): New function.
10960 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
10961 (dsp64): New availability predicate.
10962 (mips_builtins): Add an entry for __builtin_mips_ldx.
10963 * config/mips/mips.h (ISA_HAS_LBX): New define.
10964 (ISA_HAS_LBUX): Likewise.
10965 (ISA_HAS_LHX): Likewise.
10966 (ISA_HAS_LHUX): Likewise.
10967 (ISA_HAS_LWX): Likewise.
10968 (ISA_HAS_LWUX): Likewise.
10969 (ISA_HAS_LDX): Likewise.
10970 * doc/extend.texi (__builtin_mips_ldx): Document.
10972 2012-01-04 Tristan Gingold <gingold@adacore.com>
10974 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
10975 when long pointers are used.
10976 * config.build (*-*-*vms*): Handle all OpenVMS targets.
10977 (alpha64-dec-*vms*, alpha*-dec-*vms*)
10978 (ia64-hp-*vms*): Remove.
10979 * config/vms/xm-vms64.h: Delete.
10981 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
10983 PR middle-end/51472
10984 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
10986 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
10988 * opts.c (finish_options): Remove duplicate sorry.
10990 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
10992 PR middle-end/51696
10993 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
10996 2012-01-04 Richard Guenther <rguenther@suse.de>
10998 PR middle-end/51750
10999 * tree.c (size_low_cst): New function.
11000 * tree.h (size_low_cst): Declare.
11001 * fold-const.c (fold_comparison): Use it to extract the low
11002 part of the POINTER_PLUS_EXPR offset.
11004 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
11006 Fix clearing ZERO_REG
11007 * config/avr/avr.md (cc): Add alternative "ldi".
11008 (movqi_insn): Use it in cc attribute.
11009 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
11010 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
11011 (output_reload_insisf): Use ZERO_REG to pre-clear register.
11013 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
11015 * configure: Regenerate.
11017 2012-01-04 Richard Guenther <rguenther@suse.de>
11019 PR tree-optimization/49651
11020 * tree-ssa-structalias.c (type_can_have_subvars): New function.
11021 (var_can_have_subvars): Use it.
11022 (get_constraint_for_1): Only consider subfields if there can be any.
11024 2012-01-03 Jakub Jelinek <jakub@redhat.com>
11027 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
11028 to its new canonical_cselib_val and the cselib_val was in
11029 first_containing_mem chain, but the canonical_cselib_val was not,
11030 add the latter into the chain.
11031 (cselib_invalidate_mem): Compare canonical_cselib_val of
11032 addr_list chain elt with v.
11035 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
11036 dwarf2out_undef): Allocate e.info using ggc_strdup instead
11038 (output_macinfo_op): Don't ggc_strdup fd->filename.
11039 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
11040 then ggc_strdup it. Don't free inc->info or cur->info.
11041 (output_macinfo): Don't free ref->info or file->info.
11043 2012-01-03 Ira Rosen <irar@il.ibm.com>
11045 PR tree-optimization/51269
11046 * tree-vect-loop-manip.c (set_prologue_iterations): Make
11047 first_niters a pointer.
11048 (slpeel_tree_peel_loop_to_edge): Likewise.
11049 (vect_do_peeling_for_loop_bound): Update call to
11050 slpeel_tree_peel_loop_to_edge.
11051 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
11052 here. Remove it from the parameters list.
11053 (vect_do_peeling_for_alignment): Update calls and compute
11054 wide_prolog_niters.
11056 2012-01-03 Richard Guenther <rguenther@suse.de>
11058 PR tree-optimization/51070
11059 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
11060 Properly handle calls.
11062 2012-01-03 Richard Guenther <rguenther@suse.de>
11064 PR tree-optimization/51692
11065 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
11066 the LHS of allocation stmts.
11068 2012-01-03 Olivier Hainque <hainque@adacore.com>
11070 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
11072 2012-01-03 Olivier Hainque <hainque@adacore.com>
11074 * collect2.c (main): In AIX specific computations for vector
11075 insertions, use CONST_CAST2 to cast from char ** to const char **.
11077 2012-01-03 Richard Guenther <rguenther@suse.de>
11080 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
11081 the context of a limbo DIE when it does not already exist.
11083 2012-01-03 Jakub Jelinek <jakub@redhat.com>
11085 PR tree-optimization/51719
11086 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
11087 but direct call is, clear direct call's lhs and don't add fallthrough
11088 edge from dcall_bb to join_bb and PHIs.
11090 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
11092 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
11093 the instructions emitted by the pattern.
11094 ("*TDC_insn_<mode>"): Add comment.
11096 2012-01-03 Richard Guenther <rguenther@suse.de>
11098 PR middle-end/51730
11099 * fold-const.c (fold_comparison): Properly canonicalize
11100 tree offset and HOST_WIDE_INT bit position.
11102 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
11104 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
11105 operands for extzv pattern.
11107 2012-01-02 Jakub Jelinek <jakub@redhat.com>
11110 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
11113 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
11115 * doc/invoke.texi (-flto and related options): Copy-edit.
11117 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
11119 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
11121 2012-01-02 Jakub Jelinek <jakub@redhat.com>
11123 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
11126 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
11128 * expr.h (move_by_pieces_ninsns): Declare.
11129 * expr.c (move_by_pieces_ninsns): Make external.
11130 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
11131 (mips_store_by_pieces_p): Likewise.
11132 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
11133 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
11134 * config/mips/mips.c (mips_move_by_pieces_p): New function.
11135 (mips_store_by_pieces_p): Likewise.
11137 2012-01-02 Jakub Jelinek <jakub@redhat.com>
11139 * passes.c (register_one_dump_file): Free full_name.
11141 * reload1.c (reload): Don't allocate reg_max_ref_width here.
11142 (calculate_elim_costs_all_insns): Free offsets_at and
11143 offsets_known_at at the end and clear the pointers.
11145 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
11147 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
11148 this option introduced in r180739.
11150 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
11153 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
11154 (tmake_file target=avr): Add avr/t-multilib.
11156 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
11157 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
11158 * config/avr/genmultilib.awk: New file.
11159 * config/avr/t-multilib: New auto-generated file.
11160 * config/avr/multilib.h: New auto-generated file.
11161 * config/avr/t-avr (AVR_MCUS): New variable.
11162 (genopt.sh): Use it.
11163 (s-mlib): Depend on t-multilib.
11164 (t-multilib, multilib.h): New dependencies.
11165 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
11166 (MULTILIB_OPTIONS): Remove.
11167 (MULTILIB_MATCHES): Remove.
11168 (MULTILIB_DIRNAMES): Remove.
11169 (MULTILIB_EXCEPTIONS): Remove:
11170 * config/avr/genopt.sh: Don't use hard coded file name;
11171 pass AVR_MCUS from t-avr instead.
11173 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
11175 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
11177 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
11179 Implement light-weight DImode support.
11180 * config/avr/avr-dimode.md: New file.
11181 * config/avr/avr.md: Include it.
11182 (adjust_len): Add plus64, compare64.
11183 (HIDI): Remove code iterator.
11184 (code_stdname): New code attribute.
11185 (rotx, rotsmode): Remove DI.
11186 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
11188 * config/avr/avr-protos.h (avr_have_dimode): New.
11189 (avr_out_plus64, avr_out_compare64): New.
11190 * config/avr/avr.c (avr_out_compare): Handle DImode.
11191 (avr_have_dimode): New variable definition and initialization.
11192 (avr_out_compare64, avr_out_plus64): New functions.
11193 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
11194 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
11195 (avr_compare_pattern): Skip DImode comparisons.
11197 2012-01-02 Revital Eres <revital.eres@linaro.org>
11199 * ddg.c (def_has_ccmode_p): New function.
11200 (add_cross_iteration_register_deps,
11201 create_ddg_dep_from_intra_loop_link): Call it.
11203 2012-01-02 Richard Guenther <rguenther@suse.de>
11206 * invoke.texi (fassociative-math): Remove spurious paranthesis.
11208 2012-01-01 Jakub Jelinek <jakub@redhat.com>
11210 * gcc.c (process_command): Update copyright notice dates.
11211 * gcov.c (print_version): Likewise.
11212 * gcov-dump.c (print_version): Likewise.
11213 * mips-tfile.c (main): Likewise.
11214 * mips-tdump.c (main): Likewise.
11216 2012-01-01 Ira Rosen <irar@il.ibm.com>
11218 PR tree-optimization/51704
11219 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
11220 a use is inside the basic block or loop before accessing its vect info.
11222 2012-01-01 Jan Hubicka <jhjh@suse.cz>
11224 PR rtl-optimization/51069
11225 * cfgloopmanip.c (remove_path): Removing path making irreducible
11226 region unconditional makes BB part of the region.
11228 2012-01-01 Jakub Jelinek <jakub@redhat.com>
11230 PR tree-optimization/51683
11231 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
11232 calls with side-effects.
11233 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
11235 Copyright (C) 2012 Free Software Foundation, Inc.
11237 Copying and distribution of this file, with or without modification,
11238 are permitted in any medium without royalty provided the copyright
11239 notice and this notice are preserved.