| blob | 94305fafe46bd9f18b52b5493074d72bbad9bea4 |
1 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
2 Jason Merrill <jason@redhat.com>
4 * c-common.c (c_common_reswords): Add nullptr.
5 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
6 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
7 (gen_type_die_with_usage): Likewise.
8 * dbxout.c (dbxout_type): Likewise.
9 * sdbout.c (plain_type_1): Likewise.
11 2010-05-06 Jason Merrill <jason@redhat.com>
13 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
14 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
15 ret appropriately.
16 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
18 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
19 stripping WITH_SIZE_EXPR.
20 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
21 change.
23 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
25 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
26 list of obsolete configurations.
27 Disabled check for obsolete configurations.
28 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
29 Removed support for previous versions.
30 * config/mips/iris.h: Removed.
31 * config/mips/iris5.h: Removed.
32 * config/mips/iris6.h: Merged old iris.h contents.
33 (TARGET_IRIX): Removed.
34 (DRIVER_SELF_SPECS): Removed mabi=32.
35 (IDENT_ASM_OP): Removed undef.
36 (STARTFILE_SPEC): Removed mabi=32.
37 (ENDFILE_SPEC): Likewise.
38 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
39 (MACHINE_TYPE): Update for IRIX 6.5.
40 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
41 TARGET_IRIX by TARGET_IRIX6.
42 (mips_file_start): Likewise.
43 (mips_output_external): Remove IRIX 5/6 O32 support.
44 (mips_output_function_prologue): Likewise.
45 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
46 TARGET_IRIX6.
47 (TARGET_CPU_CPP_BUILTINS): Likewise.
48 (TARGET_IRIX): Removed.
49 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
50 (MULTILIB_DIRNAMES): Removed 32.
51 (MULTILIB_OSDIRNAMES): Removed ../lib.
52 * doc/install.texi (Prerequisites): Don't reference IRIX before
53 6.5.
54 (Specific, mips-sgi-irix5): Document removal.
55 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
56 removal.
57 Remove references to older IRIX 6 releases and the O32 ABI.
59 2010-05-06 Jakub Jelinek <jakub@redhat.com>
61 * gcc.dg/Wunused-var-8.c: Move to...
62 * c-c++-common/Wunused-var-6.c: ... here. New test.
64 PR bootstrap/43994
65 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
66 instead of DF_REF_REAL_REG.
68 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
70 PR target/43888
71 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
72 handling to still return true for x64 targets.
74 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
76 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
78 2010-05-06 Jan Hubicka <jh@suse.cz>
80 PR tree-optimization/43791
81 * ipa-inline.c (update_caller_keys): Remove bogus
82 disregard_inline_limits check.
84 2010-05-06 Michael Matz <matz@suse.de>
86 PR tree-optimization/43984
87 * tree-ssa-pre.c (inserted_phi_names): Remove.
88 (inserted_exprs): Change to bitmap.
89 (create_expression_by_pieces): Set bits, don't append to vector.
90 (insert_into_preds_of_block): Don't handle inserted_phi_names.
91 (eliminate): Don't look at inserted_phi_names, remove deleted
92 insns from inserted_exprs.
93 (remove_dead_inserted_code): Adjust to use bitmaps instead of
94 vectors.
95 (init_pre, fini_pre): Allocate and free bitmaps.
96 (execute_pre): Insert insns on edges before elimination.
98 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
100 * tree.c (initializer_zerop): Handle STRING_CST.
102 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
104 PR 40989
105 * doc/invoke.texi (Wimplicit): Document as C only.
106 * opts.c (common_handle_option): Add argument kind.
107 (handle_option): Rename as read_cmdline_option. Factor out code to...
108 (handle_option): ... here. New.
109 (handle_options): Rename as read_cmdline_options.
110 (decode_options): Update call.
111 (set_option): Use option index instead of option pointer. Classify
112 diagnostics correctly.
113 (enable_warning_as_error): Call handle_option.
114 * opts.h (set_option): Update declaration.
115 (handle_option): Declare.
116 * langhooks.h (struct lang_hooks): Add argument kind to
117 handle_option.
118 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
119 * c-opts.c (set_Wimplicit): Delete.
120 (c_family_lang_mask): New static constant.
121 (c_common_handle_option): Add argument kind. Use handle_option
122 instead of set_Wimplicit.
123 (c_common_post_options): warn_implicit and warn_implicit_int
124 are disabled by default.
125 * c-common.c (warn_implicit): Do not define here.
126 * c-common.h (warn_implicit): Do not declare here.
127 (c_common_handle_option): Update declaration.
128 * lto-opts.c (lto_reissue_options): Update call to set_option.
130 2010-05-06 Richard Guenther <rguenther@suse.de>
132 PR tree-optimization/43571
133 * domwalk.c (walk_dominator_tree): Walk the dominator
134 sons in more optimal order.
136 2010-05-06 Richard Guenther <rguenther@suse.de>
138 PR tree-optimization/43934
139 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
140 (stmt_cost): Likewise.
141 (extract_true_false_args_from_phi): New helper.
142 (determine_max_movement): For PHI nodes verify we can hoist them
143 and compute their cost.
144 (determine_invariantness_stmt): Handle PHI nodes.
145 (move_computations_stmt): Likewise. Hoist PHI nodes in
146 if-converted form using COND_EXPRs.
147 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
148 nodes.
149 (tree_ssa_lim): Likewise.
150 * tree-flow.h (tree_ssa_lim): Adjust prototype.
151 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
153 2010-05-06 Richard Guenther <rguenther@suse.de>
155 PR tree-optimization/43987
156 * tree-ssa-structalias.c (could_have_pointers): For possibly
157 address-taken variables force pointers to be recorded.
158 (create_variable_info_for_1): Likewise.
159 (push_fields_onto_fieldstack): Pass in wheter all fields
160 must have pointers.
161 (find_func_aliases): Query types instead of vars whether
162 they contain pointers where appropriate.
164 2010-05-06 Jan Hubicka <jh@suse.cz>
166 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
167 (record_reference, mark_address, mark_load, mark_store): Record
168 references.
169 (record_references_in_initializer): Update call of record_references.
170 (rebuild_cgraph_edges): Remove all references before rebuiding.
171 * cgraph.c (cgraph_create_node): Clear ref list.
172 (cgraph_remove_node): Remove references.
173 (dump_cgraph_node): Dump references.
174 (cgraph_clone_node): Clone references.
175 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
176 (struct cgraph_node, varpool_node): Add ref_lst.
177 * ipa-ref.c: New file.
178 * ipa-ref.h: New file.
179 * ipa-ref-inline.h: New file.
180 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
181 (referenced_from_other_partition_p): New function.
182 (lto_output_varpool_node): Take set arugment; call
183 referenced_from_other_partition.
184 (lto_output_ref): New.
185 (add_references): New.
186 (output_refs): New.
187 (output_cgraph): Compute boundary based on references;
188 output refs.
189 (output_varpool): Accept cgraph_node_set argument.
190 (input_ref): New.
191 (input_refs): New.
192 (input_cgraph): Call input_refs.
193 * lto-section-in.c (lto_section_name): Add refs.
194 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
195 (ipa-ref.o): New file.
196 * varpool.c (varpool_node): Clear ipa ref list.
197 (varpool_remove_node): Remove references.
198 (dump_varpool_node): Dump references.
199 (varpool_assemble_decl): Only compile finalized ones.
200 (varpool_extra_name_alias): Initialize ref list.
201 * lto-streamer.c (lto-get_section_name): Add .refs section.
202 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
203 (referenced_from_other_partition_p): Declared.
205 2010-05-06 Ira Rosen <irar@il.ibm.com>
207 PR tree-optimization/43901
208 * tree-vect-stmts.c (vectorizable_call): Assert that vector
209 type is not NULL if it's transformation phase, and return
210 FALSE if it's analysis.
211 (vectorizable_conversion, vectorizable_operation,
212 vectorizable_type_demotion, vectorizable_type_promotion):
213 Likewise.
215 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
217 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
218 Delete.
219 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
220 New define.
221 * config/mips/mips-protos.h
222 (mips_small_register_classes_for_mode_p): Delete prototype.
224 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
226 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
227 * config/arm/arm.c (multiple_operation_profitable_p,
228 compute_offset_order): New static functions.
229 (load_multiple_sequence, store_multiple_sequence): Use them.
230 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
231 memory offsets, not register numbers.
232 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
234 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
236 * stor-layout.c (pending_sizes): Change the type to
237 VEC(tree,gc) *.
238 (get_pending_sizes, put_pending_size, put_pending_sizes):
239 Update the uses of pending_sizes.
240 * c-decl.c (store_parm_decls): Likewise.
241 * c-tree.h (struct c_arg_info): Likewise.
242 * tree.h: Update the prototype for get_pending_sizes and
243 put_pending_sizes.
245 2010-05-05 Jason Merrill <jason@redhat.com>
247 PR debug/43370
248 * c-common.c (handle_aligned_attribute): Respect
249 ATTR_FLAG_TYPE_IN_PLACE.
251 PR testsuite/43758
252 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
253 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
254 (TARGET_INITIALIZER): Use it.
255 * c-common.c (attribute_takes_identifier_p): Call it.
256 * c-common.h: Update prototype.
257 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
258 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
260 2010-05-05 Jakub Jelinek <jakub@redhat.com>
262 PR debug/43950
263 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
264 DW_ID_down_case for Fortran compilation units.
266 2010-05-05 Jan Hubicka <jh@suse.cz>
268 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
269 handle aliases.
271 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
273 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
274 a variable-sized RESULT_DECL.
276 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
278 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
280 2010-05-05 Jason Merrill <jason@redhat.com>
282 PR c++/43787
283 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
284 returns GS_OK.
285 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
287 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
288 Jakub Jelinek <jakub@redhat.com>
290 PR debug/43478
291 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
292 (dead_debug_init, dead_debug_finish): New functions.
293 (dead_debug_add, dead_debug_insert_before): Likewise.
294 (df_note_bb_compute): Initialize a dead_debug object, add dead
295 debug uses to it, insert debug bind insns before death insns,
296 reset debug insns that refer to pending uses at the end.
297 * rtl.h (make_debug_expr_from_rtl): New prototype.
298 * varasm.c (make_debug_expr_from_rtl): New function.
300 2010-05-05 Jan Hubicka <jh@suse.cz>
302 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
303 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
304 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
305 lto_varpool_encoder_encode_initializer_p,
306 lto_set_varpool_encoder_encode_initializer): New functions.
307 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
308 call output_varpool.
309 (input_varpool_node): Do not always set analyzed.
310 (input_cgraph_1): Return vector of cgraph nodes.
311 (input_varpool_1): Return vector of varpools.
312 (input_cgraph): Free the vectors.
313 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
314 output only initializers needed.
315 (lto_output): Only call output_cgraph.
316 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
317 * lto-section-out.c (lto_new_out_decl_state): Initialize
318 state->varpool_node_encoder.
319 * lto-streamer.h (lto_varpool_encoder_d): New.
320 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
321 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
322 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
323 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
324 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
325 Declare.
326 (output_varpool, input_varpool): Remove declarations.
328 2010-05-05 Jan Hubicka <jh@suse.cz>
330 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
331 with body can prevail.
333 2010-05-05 Jan Hubicka <jh@suse.cz>
335 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
336 size.
338 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
340 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
341 dependencies.
343 * gengtype.h (erro_at_line): Constify pos argument.
345 * gengtype.c: Include hashtab.h.
346 (enum gc_used): Document GC_MAYBE_POINTED_TO.
347 (error_at_line): Constify pos argument.
348 (do_typedef): Initialize p->opt field.
349 (get_file_gtfilename): Fix comment typo.
350 (struct walk_type_data): Constify line field.
351 (get_output_file_for_structure): New function.
352 (write_local_func_for_structure): Constify orig_s argument.
353 Use get_output_file_for_structure.
354 (write_func_for_structure): Use get_output_file_for_structure.
355 (INDENT): New define.
356 (dump_pair, dump_type, dump_type_list, dump_typekind)
357 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
358 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
359 functions.
360 (seen_types): New variable.
361 (main): New variable do_dump. Process "-d" command line option.
362 Call dump_everything if dump requested.
364 2010-05-05 Jakub Jelinek <jakub@redhat.com>
366 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
367 in a temporary instead of invoking the macro multiple times.
368 (track_expr_p): Likewise.
370 2010-05-04 Neil Vachharajani <nvachhar@google.com>
372 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
373 per new semantics.
374 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
375 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
376 conditions for printing notes.
377 * common.opt (-Wcoverage-mismatch): Allow negative, default to
378 true, update documentation.
379 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
381 2010-05-04 Jakub Jelinek <jakub@redhat.com>
383 PR c/43981
384 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
385 on dimen.
387 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
389 PR target/43799
390 * config/i386/i386.md (sse_prologue_save): Add clobber CC
391 register.
392 (*sse_prologue_save_insn1): Likewise.
393 (SSE prologue save splitter): Likewise.
395 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
397 * tree.c (free_lang_data_in_one_sizepos): New inline function.
398 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
399 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
400 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
401 all decls. Call it on DECL_FIELD_OFFSET of fields.
402 (find_decls_types_r): Follow DECL_VALUE_EXPR.
403 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
405 2010-05-04 Martin Jambor <mjambor@suse.cz>
407 * tree-sra.c (build_access_from_expr_1): The first parameter type
408 changed to simple tree.
409 (build_access_from_expr): Likewise, gsi parameter was eliminated.
410 (scan_assign_result): Renamed to assignment_mod_result, enum elements
411 renamed as well.
412 (build_accesses_from_assign): Removed all parameters except for a
413 simple gimple statement. Now returns a simple bool.
414 (scan_function): All non-analysis parts moved to separate functions
415 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
416 parameters and updated both callers.
417 (sra_modify_expr): Removed parameter data.
418 (sra_modify_function_body): New function.
419 (perform_intra_sra): Call sra_modify_function_body to modify the
420 function body.
421 (replace_removed_params_ssa_names): Parameter data changed into
422 adjustments vector.
423 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
424 changed the parameter dont_convert to convert with the opposite
425 meaning.
426 (sra_ipa_modify_assign): Parameter data changed into adjustments
427 vector, return value changed to bool.
428 (ipa_sra_modify_function_body): New function.
429 (sra_ipa_reset_debug_stmts): Updated a comment.
430 (modify_function): Use ipa_sra_modify_function_body to modify function
431 body.
433 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
435 PR middle-end/43671
436 * alias.c (true_dependence): Handle the same VALUE in x and mem.
437 (canon_true_dependence): Likewise.
438 (write_dependence_p): Likewise.
440 2010-05-04 Jan Hubicka <jh@suse.cz>
442 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
443 * cgraphbuild.c: Include ipa-utils.h
444 (record_reference_ctx): New struct.
445 (record_reference): Simplify to work on initializers; not statements.
446 (mark_address, mark_load, mark_store): New.
447 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
448 walk PHI nodes too.
449 (record_references_in_initializer): Update use of record_reference.
450 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
451 walk PHI nodes too.
453 2010-05-04 Jan Hubicka <jh@suse.cz>
455 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
456 node will be removed anyway.
457 (lto_varpool_replace_node): Allow also unanalyzed nodes;
458 relink aliases of node into prevailing node.
459 * varpool.c (varpool_remove_node): Remove aliases properly;
460 when removing node, remove all its aliases too; remove DECL_INITIAL
461 of removed node; ggc_free the varpool node.
463 2010-05-04 Richard Guenther <rguenther@suse.de>
465 PR tree-optimization/43879
466 * tree-ssa-structalias.c (alias_get_name): Use
467 DECL_ASSEMBLER_NAME if available.
468 (create_function_info_for): Return the varinfo node.
469 (ipa_pta_execute): Associate same-body aliases and extra names
470 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
472 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
474 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
475 static.
477 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
479 PR bootstrap/43964
480 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
481 only if HONOR_REG_ALLOC_ORDER is not defined.
483 2010-05-04 Richard Guenther <rguenther@suse.de>
485 PR tree-optimization/43949
486 * tree-vrp.c (extract_range_from_binary_expr): Only handle
487 TRUNC_MOD_EXPR.
489 2010-04-26 Jason Merrill <jason@redhat.com>
491 * c.opt (-fstrict-enums): New.
492 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
494 2010-05-03 David Ung <davidu@mips.com>
495 James E. Wilson <wilson@codesourcery.com>
497 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
498 emit the trap instruction before the divide for TUNE_74K.
500 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
502 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
503 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
504 based on the above, for new target hook.
506 * hooks.c (hook_bool_mode_true): New generic hook.
507 * hooks.h (hook_bool_mode_true): Add prototype.
509 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
510 target hook.
511 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
512 target hook, set to hook_bool_mode_false.
513 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
514 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
515 with targetm.small_register_classes_for_mode_p.
516 (find_reusable_reload): Likewise.
517 (combine_reloads): Likewise.
518 * reload1.c (reload_as_needed): Likewise.
519 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
520 * ifcvt.c (noce_process_if_block, check_cond_move_block,
521 dead_or_predicable): Likewise.
522 * regmove.c (optimize_reg_copy_1): Likewise.
523 * calls.c (prepare_call_address): Likewise.
524 (precompute_register_parameters): Likewise.
526 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
527 hook definition.
528 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
529 implementation of the hook that considers all register classes
530 small except for SH64.
531 (sh_override_options): Use the new hook.
532 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
533 Add prototype.
535 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
536 hook definition.
537 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
538 implementation of the hook that considers all register classes
539 small for THUMB1.
540 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
541 Add prototype.
543 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
544 hook definition.
545 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
546 implementation of the hook that considers all register classes
547 small for MIPS16.
548 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
549 Add prototype.
551 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
552 hook definition.
553 * config/m32c/m32c.h: Likewise.
554 * config/pdp11/pdp11.h: Likewise.
555 * config/avr/avr.h: Likewise.
556 * config/xtensa/xtensa.h: Likewise.
557 * config/m68hc11/m68hc11.h: Likewise.
558 * config/mn10300/mn10300.h: Likewise.
559 * config/mcore/mcore.h: Likewise.
560 * config/h8300/h8300.h: Likewise.
561 * config/bfin/bfin.h: Likewise.
563 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
564 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
566 2010-05-03 Anatoly Sokolov <aesok@post.ru>
568 * double-int.h (tree_to_double_int): Remove macro.
569 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
570 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
571 (tree_to_double_int): New function.
572 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
573 Move ...
574 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
576 2010-05-03 Richard Guenther <rguenther@suse.de>
578 PR tree-optimization/43971
579 * tree-ssa-structalias.c (get_constraint_for_1): Fix
580 constraints in the !flag_delete_null_pointer_checks case.
582 2010-05-03 Jakub Jelinek <jakub@redhat.com>
584 PR debug/43972
585 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
586 result mode matches original rtl mode.
588 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
590 PR target/43888
591 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
593 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
595 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
596 when processing flag options.
598 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
600 * gcov-iov.c (main): Change format string placeholder
601 from %#08x to 0x%08x.
602 * genchecksum.c (dosum): Change format string placeholder
603 from %#02x to 0x%02x.
605 2010-05-02 Richard Guenther <rguenther@suse.de>
607 PR tree-optimization/43879
608 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
610 2010-05-02 Bruno Haible <bruno@clisp.org>
612 * doc/extend.texi (Function Attributes): Fix a typo.
614 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
616 Revert:
617 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
618 placeholder from 0x%x to %#x.
619 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
620 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
621 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
622 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
623 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
624 * config/i386/i386.c (ix86_target_string): Ditto.
625 * config/i386/i386.c (output_pic_addr_const): Ditto.
626 (print_operand): Ditto.
628 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
630 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
631 placeholder from 0x%x to %#x.
632 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
633 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
634 (ASM_OUTPUT_DEBUG_DATA): Ditto.
635 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
636 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
637 * optc-gen.awk: Ditto.
638 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
639 (HOST_WIDE_INT_PRINT_HEX): Ditto.
640 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
641 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
643 2010-05-01 Anatoly Sokolov <aesok@post.ru>
645 * target.h (struct calls): Add function_value_regno_p field.
646 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
647 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
648 * targhooks.c (default_function_value_regno_p): New function.
649 * targhooks.h (default_function_value_regno_p): Declare function.
650 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
651 * builtins.c. (apply_result_size): (Ditto.).
652 * combine.c. (likely_spilled_retval_p): (Ditto.).
653 * mode-switching.c. Include 'target.h'.
654 (create_pre_exit): Use function_value_regno_p hook.
655 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
656 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
657 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
659 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
660 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
661 (ix86_function_value_regno_p): Declare as static, change argument
662 type to const unsigned int.
663 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
665 2010-05-01 Richard Guenther <rguenther@suse.de>
667 PR tree-optimization/43949
668 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
669 types.
670 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
672 2010-05-01 Anatoly Sokolov <aesok@post.ru>
674 * rtl.h (CONST_DOUBLE_P): Define.
675 (rtx_to_double_int): Declare.
676 * emit-rtl.c (rtx_to_double_int): New function.
677 * dwarf2out.c (insert_double): New function.
678 (loc_descriptor, add_const_value_attribute): Clean up, use
679 rtx_to_double_int and insert_double functions.
681 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
683 * doc/extend.texi (Inline): Add missing return keyword to examples.
684 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
685 "command-line".
687 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
689 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
690 the variable part of the offset as well. Use highest_pow2_factor for
691 all alignment checks.
693 2010-04-30 Richard Guenther <rguenther@suse.de>
695 PR tree-optimization/43879
696 * tree-ssa-structalias.c (type_could_have_pointers): Functions
697 can have pointers.
699 2010-04-30 Jan Hubicka <jh@suse.cz>
701 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
702 varpool.
703 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
705 2010-04-30 Jan Hubicka <jh@suse.cz>
707 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
708 New.
709 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
710 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
711 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
712 cgraph_node_set_needs_ltrans_p): Remove.
714 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
716 * sdbout.c: Include vec.h, do not include varray.h.
717 (deferred_global_decls, sdbout_global_decl,
718 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
719 * toplev.c: Do not include varray.h.
720 (dump_memory_report): Do not dump VARRAY statistics.
721 * gengtype.c (open_base_file): Ignore varray.h.
722 * Makefile.in: Update for abovementioned changes.
723 Remove all traces of varray.c and varray.h.
724 * varray.c: Remove file.
725 * varray.h: Remove file.
727 2010-04-30 Jan Hubicka <jh@suse.cz>
729 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
730 references.
732 2010-04-30 Jan Hubicka <jh@suse.cz>
734 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
735 needed.
737 2010-04-30 Richard Guenther <rguenther@suse.de>
739 * tree-ssa-structalias.c (get_constraint_for_1): Generate
740 constraints for CONSTRUCTOR.
742 2010-04-30 Richard Guenther <rguenther@suse.de>
744 PR lto/43946
745 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
746 first after all lowering passes.
748 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
750 * toplev.c: Include varray.h for statistics dumping.
751 * tree.h: Do not declare varray_head_tag.
752 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
753 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
754 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
755 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
756 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
757 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
758 c-common.c, c-common.h, reg-stack.c, basic-block.h,
759 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
760 include varray.h.
761 * Makefile.in: Update for abovementioned changes.
763 2010-04-30 Jakub Jelinek <jakub@redhat.com>
765 PR debug/43942
766 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
768 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
770 * config/picochip/picochip.c (picochip_legitimize_address): Define.
771 Use this function to do machine-specific conversion.
772 (picochip_legitimize_reload_address): Likewise.
773 (picochip_legitimate_address_p): Check valid base register only if
774 strict.
775 (picochip_check_conditional_copy): Check for modw only if opnd is
776 register.
777 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
778 to call the function in c.
779 * config/picochip/picochip-protos.h
780 (picochip_legitimize_reload_address): Define.
781 * config/picochip/picochip.md (supported_compare1): Define.
783 2010-04-30 Jan Hubicka <jh@suse.cz>
785 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
786 (cgraph_global_info): Remove inlined.
787 (LTO_cgraph_tag_names): Remove.
788 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
789 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
790 simplify cgraph tags and document.
791 (lto_output_node): Use only LTO_cgraph_unavail_node and
792 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
793 for_functions_valid, global info, process and output flags.
794 (input_overwrite_node): Initialize estimated stack size and
795 estimated growth. Do not read flags we no longer store.
796 (input_node): Likewise do not read info no longer stored.
797 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
798 flag.
800 2010-04-30 Richard Guenther <rguenther@suse.de>
802 PR tree-optimization/43879
803 * tree-ssa-structalias.c (get_constraint_for_1): Properly
804 handle non-zero initializers.
806 2010-04-30 Richard Guenther <rguenther@suse.de>
808 * builtins.c (fold_builtin_1): Delete free (0).
810 2010-04-29 Jan Hubicka <jh@suse.cz>
812 * gengtype.c (open_base_files): Add lto-streamer.h
813 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
814 (pass_ipa_cp): GGC collect.
815 * toplev. (compile_file): Do not output symbols.
816 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
817 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
818 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
819 * lto-section-in.c: Include ggc.h
820 (lto_new_in_decl_state): Alloc in GGC.
821 (lto_delete_in_decl_state): Likewise.
822 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
823 Collect.
825 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
827 PR target/42895
828 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
829 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
830 (HONOR_REG_ALLOC_ORDER): Describe new macro.
831 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
832 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
833 account only if HONOR_REG_ALLOC_ORDER is not defined.
834 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
835 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
837 2010-04-29 Jon Grant <04@jguk.org>
839 * collect2.c (vflag): Change type from int to bool.
840 (debug): Likewise.
841 (helpflag): New global bool.
842 (main): Set vflag and debug with boolean, not integer truth values.
843 Accept new "--help" option and output usage text if found.
844 * collect2.h (vflag): Update prototype.
845 (debug): Likewise.
847 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
849 PR bootstrap/43936
850 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
852 2010-04-29 Richard Guenther <rguenther@suse.de>
854 PR bootstrap/43935
855 * plugin.h (invoke_plugin_callbacks): Annotate arguments
856 with ATTRIBUTE_UNUSED.
858 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
860 PR target/43921
861 * config/i386/i386.c (get_some_local_dynamic_name): Replace
862 INSN_P with NONDEBUG_INSN_P.
863 (distance_non_agu_define): Likewise.
864 (distance_agu_use): Likewise.
866 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
868 From Dominique d'Humieres <dominiq@lps.ens.fr>
869 PR bootstrap/43858
870 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
871 test_set.
873 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
875 * plugin.h (invoke_plugin_callbacks): New inline function.
876 * plugin.c (flag_plugin_added): New global flag.
877 (add_new_plugin): Initialize above flag.
878 (invoke_plugin_callbacks): Rename to ...
879 (invoke_plugin_callbacks_full): ... this.
881 2010-04-28 Jan Hubicka <jh@suse.cz>
883 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
884 (lto_varpool_replace_node): New.
885 (lto_symtab_resolve_symbols): Resolve varpool nodes.
886 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
887 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
888 * cgraph.h (varpool_node_ptr): New type.
889 (varpool_node_ptr): New vector.
890 (varpool_node_set_def): New structure.
891 (varpool_node_set): New type.
892 (varpool_node_set): New vector.
893 (varpool_node_set_element_def): New structure.
894 (varpool_node_set_element, const_varpool_node_set_element): New types.
895 (varpool_node_set_iterator): New type.
896 (varpool_node): Add prev pointers, add used_from_other_partition,
897 in_other_partition.
898 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
899 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
900 varpool_get_node, varpool_remove_node): Declare.
901 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
902 varpool_node_set_size): New inlines.
903 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
904 * tree-pass.h (varpool_node_set_def): Forward declare.
905 (ipa_opt_pass_d): Summary writting takes vnode sets too.
906 (ipa_write_optimization_summaries): Update prototype.
907 * ipa-cp.c (ipcp_write_summary): Update.
908 * ipa-reference.c (ipa_reference_write_summary): Update.
909 * lto-cgraph.c (lto_output_varpool_node): New static function.
910 (output_varpool): New function.
911 (input_varpool_node): New static function.
912 (input_varpool_1): New function.
913 (input_cgraph): Input varpool.
914 * ipa-pure-const.c (pure_const_write_summary): Update.
915 * lto-streamer-out.c (lto_output): Update, output varpool too.
916 (write_global_stream): Kill WPA hack.
917 (produce_asm_for_decls): Update.
918 (output_alias_pair_p): Handle variables.
919 (output_unreferenced_globals): Output only needed partition of varpool.
920 * ipa-inline.c (inline_write_summary): Update.
921 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
922 cgraph.
923 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
924 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
925 varpool_node_set_new, varpool_node_set_add,
926 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
927 debug_varpool_node_set): New functions.
928 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
929 (execute_one_pass): Process new decls too.
930 (ipa_write_summaries_2): Pass around vsets.
931 (ipa_write_summaries_1): Likewise.
932 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
933 to add.
934 (ipa_write_optimization_summaries_1): Pass around vsets.
935 (ipa_write_optimization_summaries): Likewise.
936 * varpool.c (varpool_get_node): New.
937 (varpool_node): Update doubly linked lists.
938 (varpool_remove_node): New.
939 (dump_varpool_node): More dumping.
940 (varpool_enqueue_needed_node): Update doubly linked lists.
941 (decide_is_variable_needed): Kill ltrans hack.
942 (varpool_finalize_decl): Kill lto hack.
943 (varpool_assemble_decl): Skip decls in other partitions.
944 (varpool_assemble_pending_decls): Update doubly linkes lists.
945 (varpool_empty_needed_queue): Likewise.
946 (varpool_extra_name_alias): Likewise.
947 * lto-streamer.c (lto_get_section_name): Add vars section.
948 * lto-streamer.h (lto_section_type): Update.
949 (output_varpool, input_varpool): Declare.
951 2010-04-28 Mike Stump <mikestump@comcast.net>
953 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
955 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
957 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
958 record or union type with RECORD_OR_UNION_TYPE_P predicate.
959 (lto_input_ts_type_tree_pointers): Likewise.
960 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
961 (lto_output_ts_type_tree_pointers): Likewise.
963 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
965 Uniquization of constants at the Tree level
966 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
967 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
968 bit to the end.
969 (tree_output_constant_def): Declare.
970 * gimplify.c (gimplify_init_constructor): When using block copy, first
971 uniquize the constant constructor on the RHS.
972 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
973 DECL_IN_CONSTANT_POOL flag.
974 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
975 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
976 constant pool.
977 (assemble_variable): Deal with symbols belonging to the tree constant
978 pool.
979 (get_constant_section): Add ALIGN parameter and simplify.
980 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
981 (assemble_constant_contents): Use the expression of the VAR_DECL.
982 (output_constant_def_contents): Use the alignment of the VAR_DECL.
983 (tree_output_constant_def): New global function.
984 (mark_constant): Use the expression of the VAR_DECL.
985 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
986 its expression.
987 (output_object_block): Likewise and assemble the expression.
989 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
991 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
992 hash_tree, eq_tree): New tree hash table.
993 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
994 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
995 lto_orig_address_remove): Reimplement.
997 2010-04-28 Xinliang David Li <davidxl@google.com>
999 PR c/42643
1000 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1001 (compute_uninit_opnds_pos): New function.
1002 (is_non_loop_exit_postdominating): New function.
1003 (compute_control_dep_chain): New function.
1004 (find_pdom): New function.
1005 (convert_control_dep_chain_into_preds): New function.
1006 (find_predicates): New function.
1007 (find_control_equiv_block): New function.
1008 (collect_phi_def_edges): New function.
1009 (find_def_preds): New function.
1010 (find_dom): New function.
1011 (dump_predicates): New function.
1012 (get_cmp_code): New function.
1013 (is_value_included_in): New function.
1014 (find_matching_predicate_in_rest_chains): New function.
1015 (use_pred_not_overlap_with_undef_path_pred): New function.
1016 (is_use_properly_guarded): New function.
1017 (normalize_cond_1): New function.
1018 (is_and_or_or): New function.
1019 (normalize_cond): New function.
1020 (is_gcond_subset_of): New function.
1021 (is_subset_of_any): New function.
1022 (is_or_set_subset_of): New function.
1023 (is_and_set_subset_of): New function.
1024 (is_norm_cond_subset_of): New function.
1025 (is_pred_expr_subset_of): New function.
1026 (is_pred_chain_subset_of): New function.
1027 (is_included_in): New function.
1028 (is_superset_of): New function.
1029 (find_uninit_use): New function.
1030 (warn_uninitialized_phi): New function.
1031 (compute_possibly_undefined_names): New function.
1032 (ssa_undefined_value_p): New function.
1033 (execute_late_warn_uninitialized): New function.
1034 * tree-ssa.c (ssa_undefined_value_p): Removed.
1035 (warn_uninit): Changed to extern.
1036 (warn_uninitialized_phi): Removed.
1037 (warn_uninitialized_vars): Changed to extern.
1038 (execute_late_warn_uninitialized): Removed
1039 * tree-flow.h: Add new prototypes.
1040 * timevar.def: Add new time variable.
1041 * Makefile.in: Add new build file.
1043 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1045 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1046 type if available.
1048 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1050 PR target/22224
1051 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1053 2010-04-28 Martin Jambor <mjambor@suse.cz>
1055 * cgraph.h (struct cgraph_node): New field indirect_calls.
1056 (struct cgraph_indirect_call_info): New type.
1057 (struct cgraph_edge): Removed field indirect_call. New fields
1058 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1059 (cgraph_create_indirect_edge): Declare.
1060 (cgraph_make_edge_direct): Likewise.
1061 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1062 * ipa-prop.h (struct ipa_param_call_note): Removed.
1063 (struct ipa_node_params): Removed field param_calls.
1064 (ipa_create_all_structures_for_iinln): Declare.
1065 * cgraph.c: Described indirect edges and uids in initial comment.
1066 (cgraph_add_edge_to_call_site_hash): New function.
1067 (cgraph_edge): Search also among the indirect edges, use
1068 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1069 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1070 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1071 site hash.
1072 (initialize_inline_failed): Assign a reason to indirect edges.
1073 (cgraph_create_edge_1): New function.
1074 (cgraph_create_edge): Moved some functionality to
1075 cgraph_create_edge_1.
1076 (cgraph_create_indirect_edge): New function.
1077 (cgraph_edge_remove_callee): Add an assert checking for
1078 non-indirectness.
1079 (cgraph_edge_remove_caller): Special-case indirect edges.
1080 (cgraph_remove_edge): Likewise.
1081 (cgraph_set_edge_callee): New function.
1082 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1083 (cgraph_make_edge_direct): New function.
1084 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1085 the declaration of the call statement matches.
1086 (cgraph_node_remove_callees): Special-case indirect edges.
1087 (cgraph_clone_edge): Likewise.
1088 (cgraph_clone_node): Clone also the indirect edges.
1089 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1090 indirect_call, dump count of indirect_calls edges.
1091 * ipa-prop.c (iinlining_processed_edges): New variable.
1092 (ipa_note_param_call): Create indirect edges instead of
1093 creating notes. New parameter node.
1094 (ipa_analyze_call_uses): New parameter node, pass it on to
1095 ipa_note_param_call.
1096 (ipa_analyze_stmt_uses): Likewise.
1097 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1098 (print_edge_addition_message): Work on edges rather than on notes.
1099 (update_call_notes_after_inlining): Likewise, renamed to
1100 update_indirect_edges_after_inlining.
1101 (ipa_create_all_structures_for_iinln): New function.
1102 (ipa_free_node_params_substructures): Do not free notes.
1103 (ipa_edge_duplication_hook): Propagate bits within
1104 iinlining_processed_edges bitmap.
1105 (ipa_node_duplication_hook): Do not duplicate notes.
1106 (free_all_ipa_structures_after_ipa_cp): Renamed to
1107 ipa_free_all_structures_after_ipa_cp.
1108 (free_all_ipa_structures_after_iinln): Renamed to
1109 ipa_free_all_structures_after_iinln.g
1110 (ipa_write_param_call_note): Removed.
1111 (ipa_read_param_call_note): Removed.
1112 (ipa_write_indirect_edge_info): New function.
1113 (ipa_read_indirect_edge_info): Likewise.
1114 (ipa_write_node_info): Do not stream notes, do stream information
1115 in indirect edges.
1116 (ipa_read_node_info): Likewise.
1117 (lto_ipa_fixup_call_notes): Removed.
1118 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1119 * ipa-inline.c (pass_ipa_inline): Likewise.
1120 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1121 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1122 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1123 is_gimple_call.
1124 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1125 edges.
1126 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1127 (output_cgraph): Stream also indirect edges.
1128 (lto_output_edge): Added capability to stream indirect edges.
1129 (input_edge): Likewise.
1130 (input_cgraph_1): Likewise.
1131 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1132 of indirect edges.
1134 2010-04-28 Richard Guenther <rguenther@suse.de>
1136 PR tree-optimization/43879
1137 PR tree-optimization/43909
1138 * tree-ssa-structalias.c (struct variable_info): Add
1139 only_restrict_pointers flag.
1140 (new_var_info): Initialize it. Increment stats.total_vars here.
1141 (create_function_info_for): Do not increment stats.total_vars
1142 here.
1143 (get_function_part_constraint): Fix build with C++.
1144 (insert_into_field_list): Remove.
1145 (push_fields_onto_fieldstack): Properly merge fields.
1146 (create_variable_info_for): Split and simplify.
1147 (create_variable_info_for_1): New piece.
1148 (intra_create_variable_infos): Properly make restrict constraints
1149 from parameters.
1151 2010-04-28 Richard Guenther <rguenther@suse.de>
1153 PR c++/43880
1154 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1156 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1157 Jan Hubicka <hubicka@ucw.cz>
1159 * doc/invoke.texi (-Wsuggest-attribute=const,
1160 -Wsuggest-attribute=pure): Document.
1161 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1162 (function_always_visible_to_compiler_p,
1163 suggest_attribute, warn_function_pure, warn_function_const):
1164 New functions.
1165 (check_call): Improve debug info.
1166 (analyze_function): Do not check availability.
1167 (add_new_function): Check availability.
1168 (propagate): Output warnings.
1169 (skip_function_for_local_pure_const): New function.
1170 (local_pure_const): Use it; output warnings.
1171 * common.opt (Wsuggest-attribute=const,
1172 Wsuggest-attribute=pure): New.
1174 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1176 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1177 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1178 or DW_CFA_def_cfa_offset{,_sf}.
1180 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1182 * tree.h: Fix truncated long macros.
1184 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1186 * collect2.c (TARGET_64BIT): Redefine to target's default.
1187 * tlink.c: Likewise.
1188 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1189 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1190 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1191 for underscoring __USER_LABEL_PREFIX__.
1192 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1193 (SUB_LINK_ENTRY32): New.
1194 (SUB_LINK_ENTRY64): New.
1195 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1196 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1197 (SUB_LINK_ENTRY64): New.
1198 (SUB_LINK_ENTRY): New.
1199 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1200 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1201 x64 target is choosen.
1202 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1203 * configure: Regenerated.
1204 * configure.ac (leading-mingw64-underscores): Option added.
1206 2010-04-27 Jan Hubicka <jh@suse.cz>
1208 * doc/invoke.texi (-fipa-profile): Document.
1209 * opts.c (decode_options): Enable ipa-profile at -O1.
1210 * timevar.def (TV_IPA_PROFILE): Define.
1211 * common.opt (fipa-profile): Add.
1212 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1213 flag for clones.
1214 (cgraph_propagate_frequency): Handle only local ones.
1215 * tree-pass.h (pass_ipa_profile): Declare.
1216 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1217 (pass_ipa_profile): Use TV_IPA_PROFILE.
1218 * ipa.c (ipa_profile): New function.
1219 (gate_ipa_profile): Likewise.
1220 (pass_ipa_profile): New global variable.
1221 * passes.c (pass_ipa_profile): New.
1223 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1225 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1227 2010-04-27 Martin Jambor <mjambor@suse.cz>
1229 PR middle-end/43812
1230 * ipa.c (dissolve_same_comdat_group_list): New function.
1231 (function_and_variable_visibility): Call
1232 dissolve_same_comdat_group_list when comdat group contains external or
1233 newly local nodes.
1234 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1235 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1237 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1239 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1240 (const_hash_1) <VECTOR_CST>: New case.
1241 (compare_constant) <VECTOR_CST>: Likewise.
1242 <ADDR_EXPR>: Deal with LABEL_REFs.
1243 (copy_constant) <VECTOR_CST>: New case.
1245 2010-04-27 Jan Hubicka <jh@suse.cz>
1247 * cgraph.c (cgraph_propagate_frequency): New function.
1248 * cgraph.h (cgraph_propagate_frequency): Declare.
1249 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1250 cgraph_propagate_frequency.
1252 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1254 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1256 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1258 PR target/40657
1259 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1260 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1261 here to determine which regs to push and how much stack to reserve.
1263 2010-04-27 Jie Zhang <jie@codesourcery.com>
1265 * doc/gimple.texi (gimple_statement_with_ops): Remove
1266 addresses_taken field.
1267 (gimple_statement_with_memory_ops): Likewise.
1269 2010-04-27 Jan Hubicka <jh@suse.cz>
1271 * tree-inline.c (eni_inlining_weights): Remove.
1272 (estimate_num_insns): Special case more builtins.
1274 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1276 PR c/32207
1277 * c-typeck.c (build_binary_op): Move forward check for comparison
1278 pointer with null pointer constant and adjust the diagnostic message.
1280 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1282 PR lto/42776
1283 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1284 binutils supports extended .section directive needed by LTO, or
1285 warn if older binutils found.
1286 (LTO_BINARY_READER): New AC_SUBST'd variable.
1287 (LTO_USE_LIBELF): Likewise.
1288 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1289 variable.
1290 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1291 (LTO_USE_LIBELF): Likewise.
1292 * configure: Regenerate.
1294 * collect2.c (is_elf): Rename from this ...
1295 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1296 object files in addition to ELF-formatted ones.
1297 (scan_prog_file): Caller updated. Also allow for LTO info marker
1298 symbol to be prefixed or not by an extra underscore.
1300 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1301 * config/i386/winnt.c: Also #include lto-streamer.h
1302 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1303 LTO named sections.
1304 (i386_pe_asm_output_aligned_decl_common): Add comment.
1305 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1307 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1309 PR target/43889
1310 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1311 Add missing earlyclobber for second alternative.
1313 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1315 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1316 bits for artificial defs at the top of the block.
1317 * fwprop.c (single_def_use_enter_block): Don't call it.
1319 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1321 PR 43715
1322 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1323 instead of "$gcc_cv_objdump -T".
1324 Use "-undefined dynamic_lookup" on darwin.
1325 * gcc/configure: Regenerate.
1327 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1329 PR c/43893
1330 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1332 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1334 * c-parser.c (struct c_token): Move location field up.
1335 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1336 (struct c_declspecs): Convert typespec_word, storage_class, and
1337 default_int_p into bitfields.
1338 (struct c_declarator): Move loc field up.
1340 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1342 * cfgloop.h (struct loop): Move can_be_parallel field up.
1343 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1344 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1345 down.
1346 (struct iv_cand): Convert pos field into a bitfield.
1347 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1348 field up.
1349 (struct _stmt_vec_info): Shuffle fields for better packing.
1351 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1353 * varasm.c (IN_NAMED_SECTION): Remove guard.
1354 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1355 (IN_NAMED_SECTION_P): ...this.
1356 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1357 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1359 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1361 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1362 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1363 of shadowing it. Fix comments.
1365 2010-04-26 Jan Hubicka <jh@suse.cz>
1367 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1368 (cgraph_clone_node): Copy function frequency.
1369 * cgraph.h (node_frequency): New enum
1370 (struct cgraph_node): Add.
1371 * final.c (rest_of_clean_state): Update.
1372 * lto-cgraph.c (lto_output_node): Output node frequency.
1373 (input_overwrite_node): Input node frequency.
1374 * tre-ssa-loop-ivopts (computation_cost): Update.
1375 * lto-streamer-out.c (output_function): Do not output function
1376 frequency.
1377 * predict.c (maybe_hot_frequency_p): Update and handle functions
1378 executed once.
1379 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1380 attribute lookup.
1381 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1382 (compute_function_frequency): Set noreturn functions to be executed
1383 once.
1384 (choose_function_section): Update.
1385 * lto-streamer-in.c (input_function): Do not input function frequency.
1386 * function.c (allocate_struct_function): Do not initialize function
1387 frequency.
1388 * function.h (function_frequency): Remove.
1389 (struct function): Remove function frequency.
1390 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1391 (try_update): Update.
1392 * tree-inline.c (initialize_cfun): Do not update function frequency.
1393 * passes.c (pass_init_dump_file): Update.
1394 * i386.c (ix86_compute_frame_layout): Update.
1395 (ix86_pad_returns): Update.
1397 2010-04-26 Jie Zhang <jie@codesourcery.com>
1399 PR tree-optimization/43833
1400 * tree-vrp.c (range_int_cst_p): New.
1401 (range_int_cst_singleton_p): New.
1402 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1403 when both operands are constants. Use range_int_cst_p in
1404 BIT_IOR_EXPR case.
1406 2010-04-26 Jan Hubicka <jh@suse.cz>
1408 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1410 2010-04-26 Richard Guenther <rguenther@suse.de>
1412 PR lto/43080
1413 * gimple.c (gimple_decl_printable_name): Deal gracefully
1414 with a NULL DECL_NAME.
1416 2010-04-26 Richard Guenther <rguenther@suse.de>
1418 PR lto/42425
1419 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1420 if emitting debug information and it is either a function
1421 or a namespace decl.
1423 2010-04-26 Ira Rosen <irar@il.ibm.com>
1425 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1426 determine if the statement is vectorizable, and a macro to access it.
1427 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1428 Skip statements that can't be vectorized. If the analysis fails,
1429 mark the statement as unvectorizable if vectorizing basic block.
1430 (vect_compute_data_refs_alignment): Likewise.
1431 (vect_verify_datarefs_alignment): Skip statements marked as
1432 unvectorizable. Add print.
1433 (vect_analyze_group_access): Skip statements that can't be
1434 vectorized. If the analysis fails, mark the statement as
1435 unvectorizable if vectorizing basic block.
1436 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1437 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1438 generated stmts for SLP.
1439 (new_stmt_vec_info): Initialize the new field.
1440 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1441 statements marked as unvectorizable.
1443 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1445 * c-common.c (flag_isoc1x): New.
1446 (flag_isoc99): Update comment.
1447 * c-common.h (flag_isoc1x): New.
1448 (flag_isoc99): Update comment.
1449 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1450 __<type>_DECIMAL_DIG__.
1451 * c-opts.c (set_std_c1x): New.
1452 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1453 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1454 * c.opt (-std=c1x, -std=gnu1x): New options.
1455 * doc/cpp.texi: Mention -std=c1x.
1456 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1457 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1458 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1459 * doc/standards.texi: Mention C1X.
1460 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1461 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1462 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1463 Define for C1X.
1465 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1467 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1468 placeholder from 0x%x to %#x.
1469 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1470 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1471 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1472 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1473 * config/i386/i386.c (ix86_target_string): Ditto.
1474 (output_pic_addr_const): Ditto.
1475 (print_operand): Ditto.
1477 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1479 * combine.c (find_split_point): Add third argument. Use it
1480 to find nested multiply-accumulate instructions. Adjust calls.
1481 (try_combine): Adjust call to find_split_point.
1483 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1485 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1487 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1489 PR tree-optimization/41442
1490 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1491 (fold_binary_loc): Call it.
1493 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1495 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1496 * opts.c (common_handle_option): Allow disabling it.
1497 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1499 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1501 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1502 between modes if both types are integral.
1504 2010-04-23 Richard Guenther <rguenther@suse.de>
1506 PR tree-optimization/43572
1507 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1509 2010-04-23 Richard Guenther <rguenther@suse.de>
1511 PR lto/43455
1512 * tree-inline.c (tree_can_inline_p): Also check compatibility
1513 of return types.
1515 2010-04-23 Martin Jambor <mjambor@suse.cz>
1517 PR tree-optimization/43846
1518 * tree-sra.c (struct access): New flag grp_assignment_read.
1519 (build_accesses_from_assign): Set grp_assignment_read.
1520 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1521 (enum mark_read_status): New type.
1522 (analyze_access_subtree): Propagate grp_assignment_read, create
1523 accesses also if both direct_read and root->grp_assignment_read.
1525 2010-04-23 Martin Jambor <mjambor@suse.cz>
1527 PR middle-end/43835
1528 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1529 function does not have type attributes.
1531 2010-04-23 Richard Guenther <rguenther@suse.de>
1533 PR lto/42653
1534 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1535 of FUNCTION_DECLs.
1537 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1539 * sese.h (create_if_region_on_edge): Remove.
1541 * sese.c (create_if_region_on_edge): Make static.
1543 * tree-inline.c: Do not include ggc.h.
1545 * expr.c: Do not include ggc.h.
1547 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1548 dependencies.
1550 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1552 PR target/43744
1553 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1554 in the middle of insns for casesi_worker_2.
1556 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1558 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1560 2010-04-22 Ira Rosen <irar@il.ibm.com>
1562 PR tree-optimization/43842
1563 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1564 loop unrolling in update of exit phis. Fix comment.
1565 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1566 least two reduction statements in the loop before starting SLP
1567 analysis.
1569 2010-04-22 Nick Clifton <nickc@redhat.com>
1571 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1573 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1575 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1576 to simplify a + ~a.
1578 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1580 * tree-parloops.c (loop_parallel_p): New argument
1581 parloop_obstack. Pass it down.
1582 (parallelize_loops): New variable parloop_obstack. Initialize it,
1583 pass it down, free it.
1585 * tree-loop-linear.c (linear_transform_loops): Pass down
1586 lambda_obstack.
1588 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1589 of type struct obstack *.
1591 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1592 scratch_obstack. Initialize it, pass down, free it.
1594 * lambda.h (lambda_loop_new): Remove.
1595 (lambda_matrix_new, lambda_matrix_inverse)
1596 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1597 argument of type struct obstack *.
1599 * lambda-trans.c (lambda_trans_matrix_new): New argument
1600 lambda_obstack. Pass it down, use obstack allocation for ret.
1601 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1602 it down.
1604 * lambda-mat.c (lambda_matrix_get_column)
1605 (lambda_matrix_project_to_null): Remove.
1606 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1607 allocation for mat.
1608 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1609 lambda_obstack.
1611 * lambda-code.c (lambda_loop_new): New function.
1612 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1613 (lambda_compute_auxillary_space, lambda_compute_target_space)
1614 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1615 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1616 (build_access_matrix): New argument lambda_obstack. Use obstack
1617 allocation for am.
1618 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1619 argument lambda_obstack. Pass it down.
1621 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1623 * optabs.h (expand_widening_mult): Declare.
1625 2010-04-22 Richard Guenther <rguenther@suse.de>
1627 PR tree-optimization/43845
1628 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1629 lookup the CALL_EXPR function and arguments.
1631 2010-04-22 Nick Clifton <nickc@redhat.com>
1633 * config/stormy16/stormy16.c
1634 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1635 * config/stormy16/stormy16.h: Tidy up formatting.
1636 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1637 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1638 (ineqbranchsi): Delete pattern.
1639 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1640 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1641 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1642 stormy16-lib2-ucmpsi2.c.
1644 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1646 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1647 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1648 extra set merge_set_noclobber, and use it to relax the final test
1649 slightly.
1650 * df.h (df_simulate_find_noclobber_defs): Declare.
1651 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1652 conditional defs.
1653 (df_simulate_find_noclobber_defs): New function.
1655 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1657 * config/i386/i386.md: Use {} around multi-line preparation statements.
1659 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1661 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1662 (process_init_element): New argument of type struct obstack *.
1664 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1665 (set_init_index, set_init_label, set_nonincremental_init)
1666 (set_nonincremental_init_from_string, find_init_member)
1667 (output_init_element, output_pending_init_elements)
1668 (process_init_element): New argument braced_init_obstack. Pass it
1669 down.
1670 (push_range_stack, add_pending_init): New argument
1671 braced_init_obstack. Use obstack allocation.
1673 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1674 braced_init_obstack. Pass it down.
1675 (c_parser_braced_init): New variables ret, braced_init_obstack.
1676 Initialize obstack, pass it down and finally free it.
1678 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1680 PR middle-end/29274
1681 * tree-pass.h (pass_optimize_widening_mul): Declare.
1682 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1683 gate_optimize_widening_mul): New static functions.
1684 (pass_optimize_widening_mul): New.
1685 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1686 <case MULT_EXPR>: Remove support for widening multiplies.
1687 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1688 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1689 simplify_gen_unary rather than directly building extensions.
1690 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1691 WIDEN_MULT_EXPR.
1692 * expmed.c (expand_widening_mult): New function.
1693 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1695 2010-04-21 Jan Hubicka <jh@suse.cz>
1697 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1698 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1699 * lto-wpa-fixup.c: Remove.
1700 * Makefile.in (lto-wpa-fixup.o): Remove.
1701 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1702 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1703 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1705 2010-04-21 Jan Hubicka <jh@suse.cz>
1707 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1708 add write_optimization_summary, read_optimization_summary.
1709 (ipa_write_summaries_of_cgraph_node_set): Remove.
1710 (ipa_write_optimization_summaries): Declare.
1711 (ipa_read_optimization_summaries): Declare.
1712 * ipa-cp.c (pass_ipa_cp): Update.
1713 * ipa-reference.c (pass_ipa_reference): Update.
1714 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1715 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1716 Update.
1717 * ipa-inline.c (pass_ipa_inline): Update.
1718 * ipa.c (pass_ipa_whole_program): Update.
1719 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1720 * passes.c (ipa_write_summaries_1): Do not test wpa.
1721 (ipa_write_optimization_summaries_1): New.
1722 (ipa_write_optimization_summaries): New.
1723 (ipa_read_summaries): Do not test ltrans.
1724 (ipa_read_optimization_summaries_1): New.
1725 (ipa_read_optimization_summaries): New.
1727 2010-04-21 Jan Hubicka <jh@suse.cz>
1729 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1730 for boundary nodes.
1731 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1733 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1735 PR debug/40040
1736 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1737 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1739 2010-04-21 Jan Hubicka <jh@suse.cz>
1741 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1743 2010-04-21 Jan Hubicka <jh@suse.cz>
1745 * varpool.c (decide_is_variable_needed): Variable is always needed
1746 during ltrans.
1748 2010-04-21 Jan Hubicka <jh@suse.cz>
1750 * opts.c (decode_options): Enable pure-const pass for whopr.
1752 2010-04-21 Jan Hubicka <jh@suse.cz>
1754 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1755 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1756 at WPA dumping.
1757 (cgraph_decide_inlining): Do not expect callee to be removed in all
1758 cases.
1760 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1762 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1764 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1766 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1767 amdfam10_decode attributes.
1769 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1771 PR middle-end/43570
1772 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1773 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1774 (lower_copyprivate_clauses): Use private var in outer
1775 context instead of original var. Make sure the types
1776 are correct for VLAs.
1778 2010-04-21 Richard Guenther <rguenther@suse.de>
1780 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1781 to non-pointer objects.
1783 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1785 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1786 last chain entry if it starts with the still current label.
1787 (add_location_or_const_value_attribute): Check that
1788 loc_list->first->next is NULL instead of comparing ->first with ->last.
1789 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1790 to add_var_loc_to_decl.
1792 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1793 >= 4 add also address size and segment size fields into CIE header.
1795 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1796 long as address size is the same as sizeof (void *) and
1797 segment size is 0.
1798 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1799 address size or segment size is unexpected, return DW_EH_PE_omit.
1800 (classify_object_over_fdes): If get_cie_encoding returned
1801 DW_EH_PE_omit, return -1.
1802 (init_object): If classify_object_over_fdes returned -1,
1803 pretend there were no FDEs at all.
1805 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1807 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1808 bswap{si,di}2 using SWI48 mode iterator.
1809 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1810 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1811 set modrm attribute of bswap insn to 0 and remove length attribute.
1812 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1813 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1814 set mode attribute to <MODE> and remove length attribute.
1816 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1818 PR rtl-optimization/43520
1819 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1820 zero available registers.
1822 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1824 * builtins.c (fold_builtin_cproj): Fold more cases.
1826 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1828 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1829 (fold_builtin_1): Fold builtin cproj.
1830 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1831 Use ATTR_CONST_NOTHROW_LIST.
1833 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1835 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1836 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1837 ffsi2_no_cmove for !TARGET_CMOVE.
1838 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1839 (ffssi2): Remove expander.
1840 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1841 mode iterator.
1842 (ctz<mode>2): Ditto from ctz{si,di}2.
1843 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1844 mode iterator.
1845 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1846 mode iterator.
1848 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1850 * dwarf2out.c (AT_linkage_name): Define.
1851 (clone_as_declaration): Handle DW_AT_linkage_name.
1852 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1853 of DW_AT_MIPS_linkage_name.
1854 (move_linkage_attr): Likewise.
1855 (dwarf2out_finish): Likewise.
1857 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1859 PR middle-end/41952
1860 * fold-const.c (fold_comparison): New folding rule.
1862 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1864 * double-int.h (double_int_setbit): Declare.
1865 * double-int.c (double_int_setbit): New function.
1866 * rtl.h (immed_double_int_const): Declare.
1867 * emit-rtl.c (immed_double_int_const): New function.
1868 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1869 and immed_double_int_const functions.
1870 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1871 expand_copysign_bit): (Ditto.).
1872 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1873 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1874 * dojump.c (prefer_and_bit_test): (Ditto.).
1875 * expr.c (convert_modes, reduce_to_bit_field_precision,
1876 const_vector_from_tree): (Ditto.).
1877 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1879 2010-04-20 Jan Hubicka <jh@suse.cz>
1881 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1882 (dump_cgraph_node): Dump new flags.
1883 * cgraph.h (struct cgraph_node): Add flags
1884 reachable_from_other_partition and in_other_partition.
1885 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1886 other partition can not be removed.
1887 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1888 the other partition must be output; silence sanity checking on
1889 leaking functions bodies from other paritition.
1890 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1891 (lto_output_node): Output new flags; do not sanity check that inline
1892 clones are output; drop lto_forced_extern_inline_p code; do not mock
1893 visibility flags at partition boundaries.
1894 (add_node_to): New function.
1895 (output_cgraph): Use it to sort functions so masters appear before
1896 clones.
1897 (input_overwrite_node): Input new flags.
1898 * passes.c (ipa_write_summaries): Do not call
1899 lto_new_extern_inline_states.
1900 * lto-section-out.c (forced_extern_inline,
1901 lto_new_extern_inline_states lto_delete_extern_inline_states,
1902 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1903 * lto-streamer.h (lto_new_extern_inline_states,
1904 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1905 lto_forced_extern_inline_p): Kill.
1907 2010-04-20 Richard Guenther <rguenther@suse.de>
1909 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1910 from vars that can have pointers.
1911 (process_constraint): Dump useless constraints.
1913 2010-04-20 Richard Guenther <rguenther@suse.de>
1915 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1916 (dump_sa_points_to_info): Remove asserts.
1917 (init_base_vars): nothing_id isn't an escape point nor does it
1918 have pointers.
1920 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1922 * tree.h (TYPE_REF_IS_RVALUE): Define.
1923 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1924 should_move_die_to_comdat, prune_unused_types_walk): Handle
1925 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1926 (modified_type_die, gen_reference_type_die): Emit
1927 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1928 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1930 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1932 PR target/43635
1933 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1934 calls for -fpic -m31 if they have been sibcall optimized.
1936 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1938 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1939 ar.lc fixed and call-used.
1941 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1943 2010-04-19 Jan Hubicka <jh@suse.cz>
1945 * opts.c (decode_options): Disable whpr incompatible passes.
1946 * lto/lto.c (lto_1_to_1_map): Skip clones.
1947 (read_cgraph_and_symbols): Do not mark everything as needed.
1948 (do_whole_program_analysis): Do map only after optimizing;
1949 set proper cgraph_state; use passmanager.
1951 2010-04-19 DJ Delorie <dj@redhat.com>
1953 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1954 POINTER_PLUS_EXPR and fix them.
1956 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1958 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1959 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1960 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1961 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1962 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1963 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1964 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1965 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1966 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1967 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1968 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1970 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1972 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1973 (check_cond_move_block): Likewise.
1974 (cond_move_process_if_block): Likewise.
1975 (noce_find_if_block): Improve formatting.
1976 (find_if_header): Pass 0 to memset and tweak conditions.
1977 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1979 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1981 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1982 for -gdwarf-4.
1984 PR middle-end/43337
1985 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1986 with non-local decl doesn't need chain.
1988 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1990 * ira-color.c (allocno_reload_assign): Avoid accumulating
1991 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1993 2010-04-19 Martin Jambor <mjambor@suse.cz>
1995 * gimple.h (create_tmp_reg): Declare.
1996 * gimplify.c (create_tmp_reg): New function.
1997 (gimplify_return_expr): Use create_tmp_reg.
1998 (gimplify_omp_atomic): Likewise.
1999 (gimple_regimplify_operands): Likewise.
2000 * tree-dfa.c (make_rename_temp): Likewise.
2001 * tree-predcom.c (predcom_tmp_var): Likewise.
2002 (reassociate_to_the_same_stmt): Likewise.
2003 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2004 (get_replaced_param_substitute): Likewise.
2005 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2006 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2007 * tree-ssa-pre.c (get_representative_for): Likewise.
2008 (create_expression_by_pieces): Likewise.
2009 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2010 (create_tailcall_accumulator): Likewise.
2012 2010-04-19 Martin Jambor <mjambor@suse.cz>
2014 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2015 new_stmt.
2016 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2018 2010-04-19 Richard Guenther <rguenther@suse.de>
2020 PR tree-optimization/43796
2021 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2022 from SCEV in the lattice.
2023 (vrp_visit_phi_node): Dump change.
2025 2010-04-19 Richard Guenther <rguenther@suse.de>
2027 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2028 * configure: Re-generated.
2030 2010-04-19 Richard Guenther <rguenther@suse.de>
2032 PR tree-optimization/43783
2033 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2034 constant ARRAY_REF operands two and three if possible.
2036 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2038 PR target/43766
2039 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2041 2010-04-19 Jie Zhang <jie@codesourcery.com>
2043 PR target/43662
2044 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2046 2010-04-19 Ira Rosen <irar@il.ibm.com>
2048 PR tree-optimization/37027
2049 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2050 and macro to access it.
2051 (vectorizable_reduction): Add argument.
2052 (vect_get_slp_defs): Likewise.
2053 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2054 statements for possible use in SLP.
2055 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2056 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2057 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2058 add new argument.
2059 (vectorizable_reduction): Likewise.
2060 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2061 vect_get_slp_defs.
2062 (vectorizable_type_demotion, vectorizable_type_promotion,
2063 vectorizable_store): Likewise.
2064 (vect_analyze_stmt): Update call to vectorizable_reduction.
2065 (vect_transform_stmt): Likewise.
2066 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2067 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2068 from different interleaving chains in same node.
2069 (vect_slp_rearrange_stmts): New function.
2070 (vect_supported_load_permutation_p): Allow load permutations for
2071 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2072 inside SLP nodes if necessary.
2073 (vect_analyze_slp_instance): Handle reductions.
2074 (vect_analyze_slp): Try to build SLP instances originating from groups
2075 of reductions.
2076 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2077 (vect_get_constant_vectors): Create initial vectors for reductions
2078 according to reduction code. Add new argument.
2079 (vect_get_slp_defs): Add new argument, pass it to
2080 vect_get_constant_vectors.
2081 (vect_schedule_slp_instance): Remove SLP tree root statements.
2083 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2085 * tree.h (ENUM_IS_SCOPED): Define.
2086 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2087 for ENUM_IS_SCOPED enums.
2089 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2091 * fold-const.c (fold_comparison): Use ssizetype.
2092 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2093 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2094 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2095 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2097 * tree.h (initialize_sizetypes): Remove parameter.
2098 (build_common_tree_nodes): Remove second parameter.
2099 * stor-layout.c (initialize_sizetypes): Remove parameter.
2100 Always create an unsigned type.
2101 (set_sizetype): Assert that the passed type is unsigned and simplify.
2102 * tree.c (build_common_tree_nodes): Remove second parameter.
2103 Adjust call to initialize_sizetypes.
2104 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2105 build_common_tree_nodes.
2107 2010-04-18 Matthias Klose <doko@ubuntu.com>
2109 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2111 2010-04-18 Ira Rosen <irar@il.ibm.com>
2113 PR tree-optimization/43771
2114 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2115 load permutation doesn't have gaps.
2117 2010-04-18 Jan Hubicka <jh@suse.cz>
2119 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2120 (sse_prologue_save_insn expander): Use new pattern.
2121 (sse_prologue_save_insn1): New pattern and splitter.
2122 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2123 blocks.
2124 * i386.c (setup_incoming_varargs_64): Do not compute jump
2125 destination here.
2126 (ix86_gimplify_va_arg): Update alignment needed.
2127 (ix86_local_alignment): Do not align all local arrays to 128bit.
2129 2010-04-17 Jan Hubicka <jh@suse.cz>
2131 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2133 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2135 * arm.md (negdi2): Remove redundant code to force values into a
2136 register.
2138 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2140 * arm/bpabi.S: Add EABI alignment attributes to objects.
2141 * arm/bpabi-v6m.S: Likewise.
2142 * arm/crti.asm: Likewise.
2143 * arm/crtn.asm: Likewise.
2144 * arm/lib1funcs.asm: Likewise.
2145 * arm/libunwind.S: Likewise.
2147 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2149 * arm-protos.h (tune_params): New structure.
2150 * arm.c (current_tune): New variable.
2151 (arm_constant_limit): Delete.
2152 (struct processors): Add pointer to the tune parameters.
2153 (arm_slowmul_tune): New tuning option.
2154 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2155 (all_cores): Adjust to pick up the tuning model.
2156 (arm_constant_limit): New function.
2157 (arm_override_options): Select the appropriate tuning model. Delete
2158 initialization of arm_const_limit.
2159 (arm_split_constant): Use the new constant-limit model.
2160 (arm_rtx_costs): Pick up the current tuning model.
2161 * arm.md (is_strongarm, is_xscale): Delete.
2162 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2163 for Xscale variant architectures.
2164 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2166 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2168 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2169 can_shift.
2170 (arm_rtx_costs_1): Remove unused variable extra_cost.
2171 (arm_unwind_emit_set): Use variable offset.
2172 (thumb1_output_casesi): Remove unused variable flags.
2174 2010-04-16 Jeff Law <law@redhat.com>
2176 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2177 needing assignment rather than doing a two-phase assignment. Remove
2178 unused variable 'm'.
2180 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2182 PR bootstrap/43767
2183 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2185 2010-04-16 Doug Kwan <dougkwan@google.com>
2187 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2188 (next_operand_entry_id): New static variable.
2189 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2190 (add_to_ops_vec): Assigned unique ID to operand entry.
2191 (struct oecount_s): New field ID.
2192 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2193 (undistribute_ops_list): Assign unique IDs to oecounts.
2194 (init_reassoc): reset next_operand_entry_id.
2196 2010-04-16 Doug Kwan <dougkwan@google.com>
2198 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2199 missing left parenthesis.
2201 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2203 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2204 *btdi_rex64 using SWI48 mode iterator.
2205 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2206 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2207 *jcc_btdi_mask_rex64.
2209 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2211 * double-int.h (tree_to_double_int): Convert to macro.
2212 * double-int.c (tree_to_double_int): Remove.
2214 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2216 PR debug/43762
2217 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2218 with want_address 2 and in case a single element list might be
2219 possible, call it again with want_address 0.
2221 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2223 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2224 case 'W' print operands for HI mode.
2225 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2226 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2227 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2228 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2230 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2232 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2233 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2234 #xx:3 and #xx:4 mode.
2236 * config/h8300/h8300.md (inverted load with HImode dest): Add
2237 support for H8300SX.
2239 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2240 satisfy 'U' constraint.
2242 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2244 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2245 * configure: Regenerate.
2246 * config.in: Regenerate.
2247 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2248 works.
2250 2010-04-16 Richard Guenther <rguenther@suse.de>
2252 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2253 (struct tree_decl_common): ... here.
2254 (DECL_PT_UID): Adjust.
2255 (SET_DECL_PT_UID): Likewise.
2256 (DECL_PT_UID_SET_P): Likewise.
2258 2010-04-16 Richard Guenther <rguenther@suse.de>
2260 PR tree-optimization/43572
2261 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2262 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2263 * tree-flow.h (is_call_clobbered): Remove.
2264 * tree-flow-inline.h (is_call_clobbered): Likewise.
2265 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2266 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2267 (execute_return_slot_opt): Adjust.
2268 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2269 check for call clobbered vars here.
2270 (find_tail_calls): Move tailcall verification to the
2271 proper place.
2273 2010-04-16 Diego Novillo <dnovillo@google.com>
2275 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2277 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2279 PR target/40603
2280 * config/arm/arm.md (cbranchqi4): New pattern.
2281 * config/arm/predicates.md (const0_operand,
2282 cbranchqi4_comparison_operator): New predicates.
2284 2010-04-16 Richard Guenther <rguenther@suse.de>
2286 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2287 (dump_gimple_stmt): Likewise.
2289 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2291 * recog.h (struct recog_data): New field is_operator.
2292 (struct insn_operand_data): New field is_operator.
2293 * recog.c (extract_insn): Set recog_data.is_operator.
2294 * genoutput.c (output_operand_data): Emit code to set the
2295 is_operator field.
2296 * reload.c (find_reloads): Use it rather than testing for an
2297 empty constraint string.
2299 PR target/41514
2300 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2301 If the previous insn is a cbranchsi4_insn with the same arguments,
2302 omit the compare instruction.
2304 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2305 register, inputs must be low registers and we need a low register
2306 scratch. Handle alternative 2 like alternative 3.
2308 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2310 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2311 don't call get_addr on both. If one expression is a VALUE and
2312 the other a REG, check VALUE's locs if the REG isn't among them.
2314 2010-04-16 Christian Bruel <christian.bruel@st.com>
2316 * config/sh/sh.h (sh_frame_pointer_required): New function.
2317 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2318 (flag_omit_frame_pointer) Set.
2319 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2320 (rounded_frame_size): Adjust size with outgoing_args_size.
2321 (sh_set_return_address): Must return from stack pointer.
2322 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2323 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2324 (ACCUMULATE_OUTGOING_ARGS): Define.
2325 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2326 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2328 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2330 PR target/43471
2331 * config/sh/sh.c (sh_legitimize_reload_address): Use
2332 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2333 Remove a unneeded check for offset_base.
2335 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2337 * configure: Regenerated.
2339 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2341 * config/s390/s390.c (s390_call_save_register_used): Switch back
2342 to HARD_REGNO_NREGS.
2344 2010-04-15 Richard Guenther <rguenther@suse.de>
2346 * alias.c (alias_set_subset_of): Handle alias-set zero
2347 child properly.
2349 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2350 Julian Brown <julian@codesourcery.com>
2352 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2353 alternatives according to use of high and low regs.
2354 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2355 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2356 optimizing for size on Thumb-2.
2358 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2360 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2362 2010-04-15 Richard Guenther <rguenther@suse.de>
2364 * tree-ssa-structalias.c (struct variable_info): Add
2365 is_fn_info flag.
2366 (new_var_info): Initialize it.
2367 (dump_constraints): Support printing last added constraints.
2368 (debug_constraints): Adjust.
2369 (dump_constraint_graph): Likewise.
2370 (make_heapvar_for): Check for NULL cfun.
2371 (get_function_part_constraint): New function.
2372 (get_fi_for_callee): Likewise.
2373 (find_func_aliases): Properly implement IPA PTA constraints.
2374 (process_ipa_clobber): New function.
2375 (find_func_clobbers): Likewise.
2376 (insert_into_field_list_sorted): Remove.
2377 (create_function_info_for): Properly allocate vars for IPA mode.
2378 Do not use insert_into_field_list_sorted.
2379 (create_variable_info_for): Properly generate constraints for
2380 global vars in IPA mode.
2381 (dump_solution_for_var): Always dump the solution.
2382 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2383 (find_what_var_points_to): Adjust.
2384 (pt_solution_set): Change.
2385 (pt_solution_ior_into): New function.
2386 (pt_solution_empty_p): Export.
2387 (pt_solution_includes_global): Adjust.
2388 (pt_solution_includes_1): Likewise.
2389 (pt_solutions_intersect_1): Likewise.
2390 (dump_sa_points_to_info): Check some invariants.
2391 (solve_constraints): Move constraint dumping ...
2392 (compute_points_to_sets): ... here.
2393 (ipa_pta_execute): ... and here.
2394 (compute_may_aliases): Do not re-compute points-to info
2395 locally if IPA info is available.
2396 (ipa_escaped_pt): New global var.
2397 (ipa_pta_execute): Properly implement IPA PTA.
2398 * tree-into-ssa.c (dump_decl_set): Support dumping
2399 decls not in referenced-vars.
2400 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2401 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2402 (dump_points_to_solution): Likewise.
2403 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2404 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2405 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2406 (copy_decl_to_var): Copy DECL_PT_UID.
2407 (copy_result_decl_to_var): Likewise.
2408 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2409 (copy_node_stat): Copy it.
2410 * tree.h (DECL_PT_UID): New macro.
2411 (SET_DECL_PT_UID): Likewise.
2412 (DECL_PT_UID_SET_P): Likewise.
2413 (struct tree_decl_minimal): Add pt_uid member.
2414 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2415 (pt_solution_empty_p): Declare.
2416 (pt_solution_set): Adjust.
2417 (ipa_escaped_pt): Declare.
2418 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2419 * gimple-pretty-print.c (pp_points_to_solution): New function.
2420 (dump_gimple_call): Dump call clobber/use information.
2421 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2422 * tree-pass.h (TDF_ALIAS): New dump option.
2423 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2424 * doc/invoke.texi (-fipa-pta): Update documentation.
2426 2010-04-15 Richard Guenther <rguenther@suse.de>
2428 * Makefile.in (OBJS-common): Add gimple-fold.o.
2429 (gimple-fold.o): New rule.
2430 * tree.h (maybe_fold_offset_to_reference,
2431 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2432 prototypes ...
2433 * gimple.h: ... here.
2434 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2435 may_propagate_address_into_dereference): Move prototypes ...
2436 * gimple.h: ... here.
2437 * tree-ssa-ccp.c (get_symbol_constant_value,
2438 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2439 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2440 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2441 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2442 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2443 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2444 gimplify_and_update_call_from_tree): Move ...
2445 * gimple-fold.c: ... here. New file.
2446 (ccp_fold_builtin): Rename to ...
2447 (gimple_fold_builtin): ... this.
2448 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2450 2010-04-15 Richard Guenther <rguenther@suse.de>
2452 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2453 fit_double_type, force_fit_type_double, add_double_with_sign,
2454 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2455 lrotate_double, rrotate_double, div_and_round_double): Move ...
2456 * double-int.c: ... here.
2457 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2458 add_double, neg_double, mul_double_with_sign, mul_double,
2459 lshift_double, rshift_double, lrotate_double, rrotate_double,
2460 div_and_round_double): Move prototypes ...
2461 * double-int.h: ... here.
2463 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2465 PR target/43742
2466 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2467 matching constraints to ensure inputs match the output.
2469 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2471 PR target/43742
2472 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2473 in an input-only operand.
2475 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2477 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2478 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2479 (double_int_negative_p): Convert to static inline function.
2480 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2481 (double_int_negative_p): Remove.
2482 * tree.h (lshift_double, rshift_double):
2483 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2484 * fold-const.c (fold_convert_const_int_from_real,
2485 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2486 (lshift_double): Change type of arith argument to bool.
2487 (rshift_double): Change type of arith argument to bool. Correct
2488 comment.
2489 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2491 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2493 PR target/21803
2494 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2495 at the start and end of the then/else blocks, and omit them from the
2496 conversion.
2497 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2498 argument; all callers changed. Pass zero to old_insns_match_p instead.
2499 (flow_find_head_matching_sequence): New function.
2500 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2501 * basic-block.h (flow_find_cross_jump,
2502 flow_find_head_matching_sequence): Declare functions.
2504 2010-04-14 Jason Merrill <jason@redhat.com>
2506 PR c++/36625
2507 * c-common.c (attribute_takes_identifier_p): New fn.
2508 * c-common.h: Declare it.
2510 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2512 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2513 splitter condition.
2514 (*udivmod<mode>4): Ditto.
2516 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2518 * config/i386/i386.md (maxmin_int): Rename code attribute from
2519 maxminiprefix and update all users.
2520 (maxmin_float): Ditto from maxminfprefix.
2521 (logic): Ditto from logicprefix.
2522 (absneg_mnemonic): Ditto from absnegprefix.
2523 * config/i386/mmx.md: Update all users of maxminiprefix,
2524 maxminfprefix and logicprefix for rename.
2525 * config/i386/sse.md: Ditto.
2526 * config/i386/sync.md (sync_<code><mode>): Update for
2527 logicprefix rename.
2529 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2531 PR 42966
2532 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2533 warnings converted to errors.
2535 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2537 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2538 used insn_type variable.
2539 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2540 to avoid set-but-not-used warning.
2542 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2544 * df-core.c (df_ref_debug): Change format string placeholder
2545 from 0x%x to %#x.
2546 * dwarf2asm.c (dw2_asm_output_data_raw,
2547 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2548 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2549 * dwarf2out.c (output_cfi, output_cfi_directive,
2550 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2551 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2552 Ditto.
2553 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2554 * print-rtl.c (print_rtx): Ditto.
2556 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2558 PR middle-end/42694
2559 * builtins.c (expand_builtin_pow_root): New function to expand pow
2560 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2561 series of sqrt and cbrt calls under -ffast-math.
2562 (expand_builtin_pow): Call it.
2564 2010-04-14 Michael Matz <matz@suse.de>
2566 PR tree-optimization/42963
2567 * tree-cfg.c (touched_switch_bbs): New static variable.
2568 (group_case_labels_stmt): New function broken out from ...
2569 (group_case_labels): ... here, use the above.
2570 (start_recording_case_labels): Allocate touched_switch_bbs.
2571 (end_recording_case_labels): Deallocate it, call
2572 group_case_labels_stmt.
2573 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2575 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2577 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2578 from insn template.
2580 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2582 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2584 2010-04-13 Jan Hubicka <jh@suse.cz>
2586 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2587 of optimized out static functions.
2588 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2589 cost computation. Also sanity check for overflows.
2590 (update_caller_keys): Update cgraph_edge_badness call; properly
2591 update fibheap and sanity check that it is up to date.
2592 (add_new_edges_to_heap): Update cgraph_edge_badness.
2593 (cgraph_decide_inlining_of_small_function): Likewise;
2594 add sanity checking that badness in heap is up to date;
2595 improve dumping of reason; Update badness of calls to the
2596 offline copy of function currently inlined; dump badness
2597 of functions not inlined because of unit growth limits.
2599 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2601 PR middle-end/32628
2602 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2603 because of sign-extension change when converting to sizetype here...
2604 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2606 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2607 the folding to constants. Remove redundant final conversion.
2608 (fold_binary) <associate>: Do not associate if the re-association of
2609 constants alone overflows.
2610 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2611 to the end of the list.
2612 (multiple_of_p) <COND_EXPR>: New case.
2614 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2616 * opt-functions.awk (opt_sanitized_name): New.
2617 (opt_enum): New.
2618 * optc-gen.awk: Use it
2619 * opth-gen.awk: Use it.
2621 2010-04-13 Martin Jambor <mjambor@suse.cz>
2623 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2624 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2625 children. Call replace_uses_with_default_def_ssa_name to handle
2626 SSA_NAES on lhs.
2628 2010-04-13 Michael Matz <matz@suse.de>
2630 PR middle-end/43730
2631 * builtins.c (expand_builtin_interclass_mathfn): Also create
2632 a register if the predicate doesn't match.
2634 2010-04-13 Diego Novillo <dnovillo@google.com>
2636 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2637 * c-pch.c: Include timevar.h.
2638 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2639 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2640 * ggc-common.c: Include timevar.h.
2641 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2642 * timevar.def (TV_PCH_SAVE): Define.
2643 (TV_PCH_CPP_SAVE): Define.
2644 (TV_PCH_PTR_REALLOC): Define.
2645 (TV_PCH_PTR_SORT): Define.
2646 (TV_PCH_RESTORE): Define.
2647 (TV_PCH_CPP_RESTORE): Define.
2649 2010-04-13 Michael Matz <matz@suse.de>
2651 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2652 into MINUS_EXPRs.
2653 (can_reassociate_p): New function.
2654 (break_up_subtract_bb, reassociate_bb): Use it.
2656 2010-04-13 Richard Guenther <rguenther@suse.de>
2658 PR bootstrap/43737
2659 * builtins.c (c_readstr): Fix assert.
2661 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2663 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2664 when generating cltd insn.
2666 (*ashl<mode>3_1): Remove special handling for register operand 2.
2667 (*ashlsi3_1_zext): Ditto.
2668 (*ashlhi3_1): Ditto.
2669 (*ashlhi3_1_lea): Ditto.
2670 (*ashlqi3_1): Ditto.
2671 (*ashlqi3_1_lea): Ditto.
2672 (*<shiftrt_insn><mode>3_1): Ditto.
2673 (*<shiftrt_insn>si3_1_zext): Ditto.
2674 (*<shiftrt_insn>qi3_1_slp): Ditto.
2675 (*<rotate_insn><mode>3_1): Ditto.
2676 (*<rotate_insn>si3_1_zext): Ditto.
2677 (*<rotate_insn>qi3_1_slp): Ditto.
2679 2010-04-13 Richard Guenther <rguenther@suse.de>
2681 * tree-ssa-structalias.c (callused_id): Remove.
2682 (call_stmt_vars): New.
2683 (get_call_vi): Likewise.
2684 (lookup_call_use_vi): Likewise.
2685 (lookup_call_clobber_vi): Likewise.
2686 (get_call_use_vi): Likewise.
2687 (get_call_clobber_vi): Likewise.
2688 (make_transitive_closure_constraints): Likewise.
2689 (handle_const_call): Adjust to do per-call call-used handling.
2690 (handle_pure_call): Likewise.
2691 (find_what_var_points_to): Remove general callused handling.
2692 (init_base_vars): Likewise.
2693 (init_alias_vars): Initialize call_stmt_vars.
2694 (compute_points_to_sets): Process call-used and call-clobbered
2695 vars for call statements.
2696 (delete_points_to_sets): Free call_stmt_vars.
2698 2010-04-13 Richard Guenther <rguenther@suse.de>
2700 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2701 Only add RW dependence for dependence distance zero.
2702 Adjust maximal vectorization factor according to dependences.
2703 Move alignment handling ...
2704 (vect_find_same_alignment_drs): ... here. New function.
2705 (vect_analyze_data_ref_dependences): Adjust.
2706 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2707 (vect_analyze_data_refs): Adjust minimal vectorization factor
2708 according to data references.
2709 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2710 dependences before determining the vectorization factor.
2711 Analyze alignment after determining the vectorization factor.
2712 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2713 dependences before alignment.
2714 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2715 Adjust prototype.
2716 (vect_analyze_data_refs): Likewise.
2717 (MAX_VECTORIZATION_FACTOR): New define.
2719 2010-04-13 Duncan Sands <baldrick@free.fr>
2721 * except.h (lang_eh_type_covers): Remove.
2722 * except.c (lang_eh_type_covers): Likewise.
2724 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2725 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2727 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2728 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2729 UNITS_PER_LONG where it is ABI relevant.
2730 (s390_return_addr_rtx): Likewise.
2731 (s390_back_chain_rtx): Likewise.
2732 (s390_frame_area): Likewise.
2733 (s390_frame_info): Likewise.
2734 (s390_initial_elimination_offset): Likewise.
2735 (save_gprs): Likewise.
2736 (s390_emit_prologue): Likewise.
2737 (s390_emit_epilogue): Likewise.
2738 (s390_function_arg_advance): Likewise.
2739 (s390_function_arg): Likewise.
2740 (s390_va_start): Likewise.
2741 (s390_gimplify_va_arg): Likewise.
2742 (s390_function_profiler): Likewise.
2743 (s390_optimize_prologue): Likewise.
2744 (s390_rtx_costs): Likewise.
2745 (s390_secondary_reload): Likewise.
2746 (s390_promote_function_mode): Likewise.
2747 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2748 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2749 registers available.
2750 (s390_unwind_word_mode): New function.
2751 (s390_function_value): Split 64 bit values into register pair if
2752 used as return value.
2753 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2754 function call parameters. Handle parallels.
2755 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2756 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2757 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2758 (s390_expand_setmem): Remove unused variable src_addr.
2759 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2760 deal with 64 bit registers.
2761 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2762 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2763 (UNITS_PER_LONG): New macro.
2764 * libjava/include/s390-signal.h: Define extended ucontext
2765 structure containing the upper halfs of the 64 bit registers.
2767 2010-04-13 Simon Baldwin <simonb@google.com>
2769 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2771 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2773 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2774 rvalue on the RHS if the LHS is of a non-renamable type.
2775 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2777 2010-04-13 Matthias Klose <doko@ubuntu.com>
2779 * gcc.c (cc1_options): Handle -iplugindir before processing
2780 the cc1 spec. Only add -iplugindir once.
2781 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2782 found.
2783 * common.opt (iplugindir): Remove `Separate' property, initialize.
2784 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2785 option.
2786 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2787 (distclean): Remove plugin dir.
2788 * doc/invoke.texi: Document -iplugindir.
2790 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2792 * doc/plugins.texi (Loading Plugins): Document short
2793 -fplugin=foo option.
2794 (Plugin API): Mention default_plugin_dir_name function.
2796 * gcc.c (find_file_spec_function): Add new declaration.
2797 (static_spec_func): Use it for "find-file".
2798 (find_file_spec_function): Add new function.
2799 (cc1_options): Add -iplugindir option if -fplugin* options found.
2801 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2803 * plugin.c (add_new_plugin): Updated comment, and handle short
2804 plugin name.
2805 (default_plugin_dir_name): Added new function.
2807 * common.opt (iplugindir): New option to set the plugin directory.
2809 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2811 * config/i386/i386.md (any_rotate): New code iterator.
2812 (rotate_insn): New code attribute.
2813 (rotate): Ditto.
2814 (SWIM124): New mode iterator.
2815 (<rotate_insn>ti3): New expander.
2816 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2817 any_rotate code iterator.
2818 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2819 using any_rotate code iterator and SWIM124 mode iterator.
2820 (ix86_rotlti3): New insn_and_split pattern.
2821 (ix86_rotrti3): Ditto.
2822 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2823 ix86_rotl{di,ti}3 patterns.
2824 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2825 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2826 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2827 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2828 code iterator and SWI mode iterator.
2829 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2830 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2831 code iterator.
2832 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2833 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2834 (bswap rotatert splitter): Add splitter.
2835 (bswap splitter): Macroize splitter using any_rotate code iterator.
2836 Add insn predicate to split only for TARGET_USE_XCHGB or when
2837 optimizing function for size.
2839 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2841 * config/pa/pa.c (emit_move_sequence): Remove use of
2842 deleted variable flag_argument_noalias.
2844 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2846 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2847 configurations.
2848 Add to unsupported targets list.
2849 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2850 sparc*-sun-solaris2.[567]* from target lists.
2851 * configure: Regenerate.
2852 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2853 removal.
2854 Remove Solaris 7 patch references.
2855 (Specific, sparc-sun-solaris2.7): Removed.
2856 (sparc-sun-solaris2*): Update Solaris 7 example.
2857 (sparc64-*-solaris2*): Likewise.
2859 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2861 * config.build (alpha*-dec-osf4*): Remove.
2862 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2863 of obsolete configurations.
2864 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2865 support.
2866 * config/alpha/t-osf4: Renamed to ...
2867 * config/alpha/t-osf5: ... this.
2868 * config/alpha/osf.h: Renamed to ...
2869 * config/alpha/osf5.h: ... this.
2870 Merged old osf5.h contents.
2871 Update comments.
2872 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2873 (EXTRA_SPECS): Removed.
2874 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2875 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2876 Document that.
2878 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2880 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2882 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2884 PR/43702
2885 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2886 __thiscall convention.
2888 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2890 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2891 orig_base.
2892 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2894 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2896 * function.c (assign_parms_initialize_all): Add unused attribute
2897 to fntype.
2899 2010-04-12 Richard Guenther <rguenther@suse.de>
2901 * gsstruct.def (GSS_CALL): New.
2902 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2903 * gimple.h: Include tree-ssa-alias.h.
2904 (struct gimple_statement_call): New.
2905 (union gimple_statement_struct_d): Add gimple_call member.
2906 (gimple_call_reset_alias_info): Declare.
2907 (gimple_call_use_set): New function.
2908 (gimple_call_clobber_set): Likewise.
2909 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2910 * gimple.c (gimple_call_reset_alias_info): New function.
2911 (gimple_build_call_1): Call it.
2912 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2913 * tree-inline.c (remap_gimple_stmt): Likewise.
2914 (expand_call_inline): Remove callused handling.
2915 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2916 * tree-dfa.c (dump_variable): Likewise.
2917 * tree-parloops.c (parallelize_loops): Likewise.
2918 * tree-ssa.c (init_tree_ssa): Likewise.
2919 (delete_tree_ssa): Likewise.
2920 * tree-flow-inline.h (is_call_used): Remove.
2921 * tree-flow.h (struct gimple_df): Remove callused member.
2922 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2923 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2924 (ref_maybe_used_by_call_p_1): Simplify.
2925 (call_may_clobber_ref_p_1): Likewise.
2926 * tree-ssa-structalias.c (compute_points_to_sets): Set
2927 the call stmt used and clobbered sets.
2928 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2929 (find_tail_calls): Verify the tail call.
2931 2010-04-12 Richard Guenther <rguenther@suse.de>
2933 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2934 single-iteration always-inline inlining.
2935 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2936 (cgraph_decide_inlining): Do not handle always-inline specially.
2937 (try_inline): Remove always-inline cycle detection special case.
2938 Do not recurse on always-inlines.
2939 (cgraph_early_inlining): Do not iterate if not optimizing.
2940 (cgraph_gate_early_inlining): remove.
2941 (pass_early_inline): Run unconditionally.
2942 (gate_cgraph_decide_inlining): New function.
2943 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2944 not inlining or optimizing.
2945 (cgraph_decide_inlining_of_small_functions): Also consider
2946 always-inline functions.
2947 (cgraph_default_inline_p): Return true for nodes which should
2948 disregard inline limits.
2949 (estimate_function_body_sizes): Assume zero size and time for
2950 nodes which are marked as disregarding inline limits.
2951 (cgraph_decide_recursive_inlining): Do not perform recursive
2952 inlining on always-inline nodes.
2954 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2956 PR bootstrap/43699
2957 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2958 for exprs satisfying handled_component_p.
2960 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2962 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2963 non-constant aggregate elements.
2965 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2966 is a real initialization.
2968 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2970 PR c/36774
2971 * c-decl.c (start_function): Move forward check for nested function.
2973 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2975 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2976 * config/sh/sh.c: Include reload.h.
2977 (sh_legitimize_reload_address): New.
2978 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2979 sh_legitimize_reload_address.
2981 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2983 * config/sh/sh.md (*movqi_pop): New insn pattern.
2984 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2986 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2988 * config/i386/i386.md (any_shiftrt): New code iterator.
2989 (shiftrt_insn): New code attribute.
2990 (shiftrt): Ditto.
2991 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2992 using any_shiftrt code iterator.
2993 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2994 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2995 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2996 pattern from corresponding peephole2 patterns.
2997 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2998 using any_shiftrt code iterator.
2999 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3000 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3001 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3002 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3003 *{ashr,lshr}<mode>3_cmp_zext.
3004 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3006 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3008 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3009 scratch register.
3010 (*lshr<mode>3_cconly): Ditto.
3012 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3014 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3015 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3016 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3017 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3018 DWI mode iterator.
3019 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3020 from corresponding peephole2 patterns.
3021 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3022 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3023 and *lshrdi3_1_rex64 using SWI mode iterator.
3024 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3025 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3026 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3027 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3028 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3029 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3030 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3031 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3032 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3033 SWI mode iterator.
3035 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3037 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3038 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3039 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3040 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3041 DWI mode iterator.
3042 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3043 from corresponding peephole2 patterns.
3044 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3045 (ashrsi3_cvt): Rename from ashrsi3_31.
3046 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3047 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3048 and x86_64_shift_adj_3 using SWI48 mode iterator.
3049 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3050 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3051 and *ashrdi3_1_rex64 using SWI mode iterator.
3052 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3053 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3054 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3055 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3056 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3057 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3058 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3059 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3060 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3061 SWI mode iterator.
3062 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3063 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3064 x86_shift<mode>_adj_3 expanders.
3066 2010-04-10 Wei Guozhi <carrot@google.com>
3068 PR target/42601
3069 * config/arm/arm.c (arm_pic_static_addr): New function.
3070 (legitimize_pic_address): Call arm_pic_static_addr when it detects
3071 a static symbol.
3072 (arm_output_addr_const_extra): Output expression for new pattern.
3073 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3075 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
3077 * ira-costs.c (record_reg_classes): Ignore alternatives that are
3078 not enabled.
3080 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3081 * web.c: Include "insn-config.h" and "recog.h".
3082 (union_match_dups): New function.
3083 (web_main): Call it.
3084 (union_defs): Don't try to recognize match_dups.
3086 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3087 if doing so would replace the entire pattern.
3089 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3091 PR target/43707
3092 PR target/43709
3093 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3094 and splitter pattern. Change splitter operand 1 predicate to
3095 nonmemory_operand.
3097 2010-04-09 Martin Jambor <mjambor@suse.cz>
3099 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3100 lattices are addresses of CONST_DECLs with the same initial value.
3101 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3102 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3104 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3105 Bernd Schmidt <bernds@codesourcery.com>
3107 * loop-invariant.c (replace_uses): New static function.
3108 (move_invariant_reg): Use it to ensure we can replace the uses.
3110 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3112 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3113 function template.
3114 (picochip_override_options): Enable section anchors only above -O1.
3115 (picochip_reorg): Fixed a couple of build warnings.
3117 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3119 * configure.ac (plugin -rdynamic test): Log result.
3120 * configure: Regenerate.
3121 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3122 (RDYNAMIC_SPEC): Define.
3123 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3125 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3127 * configure.ac: Determine Sun ld version numbers.
3128 (comdat_group): Restrict GNU ld version checks to gld.
3129 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3130 (enable_comdat): Support --enable-comdat.
3131 * configure: Regenerate.
3132 * doc/install.texi (Configuration): Document --enable-comdat.
3134 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3136 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3137 * config/sol2-gld.h: ... here.
3138 * config.gcc (sparc*-*-solaris2*): Reflect this.
3139 (i[34567]86-*-solaris2*): Use it.
3141 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3143 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3144 setup_clocks_p.
3145 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3147 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3149 PR 42965
3150 * diagnostic.c (diagnostic_initialize): Initialize
3151 some_warnings_are_errors.
3152 (diagnostic_finish): New.
3153 (diagnostic_action_after_output): Call it before exiting.
3154 (diagnostic_report_diagnostic): Do not print message here. Set
3155 some_warnings_are_errors.
3156 * diagnostic.h (diagnostic_context): Delete
3157 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3158 (diagnostic_finish): Declare.
3159 * toplev.c (toplev_main): Call it before exit.
3161 2010-04-09 Jason Merrill <jason@redhat.com>
3163 PR c++/42623
3164 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3165 for incomplete type.
3167 PR c++/41788
3168 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3169 based on a warning flag.
3171 2010-04-09 Richard Guenther <rguenther@suse.de>
3173 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3175 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3177 PR bootstrap/43684
3178 * varasm.c (default_assemble_visibility): Wrap vars that are
3179 set, but unused, by targets without GAS.
3180 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3181 Remove set, but unused, vars.
3182 (rs6000_legitimize_tls_address): Likewise.
3183 (altivec_expand_dst_builtin): Likewise.
3184 * config/darwin.c (machopic_classify_symbol): Likewise.
3185 (machopic_indirection_name): Likewise.
3187 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3189 * config/i386/i386.md (DWI): New mode iterator.
3190 (S): New mode attribute.
3191 (shift_operand): Ditto.
3192 (shift_immediate_operand): Ditto.
3193 (ashl_input_operand): Ditto.
3194 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3195 using SDWIM mode iterator.
3196 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3197 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3198 DWI mode iterator.
3199 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3200 from corresponding peephole2 patterns.
3201 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3202 and x86_64_shift_adj_1 using SWI48 mode iterator.
3203 (x86_shift<mode>_adj_2): Ditto.
3204 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3205 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3206 using SWI48 mode iterator.
3207 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3208 *ashldi3_cmp_rex64 using SWI mode iterator.
3209 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3210 *ashldi3_cconly_rex64 using SWI mode iterator.
3211 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3212 x86_shift<mode>_adj_{1,2}.
3213 (ix86_split_ashr): Ditto.
3214 (ix86_split_lshr): Ditto.
3216 2010-04-09 Richard Guenther <rguenther@suse.de>
3218 * target.h (builtin_conversion): Pass in input and output types.
3219 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3220 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3221 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3222 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3224 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3225 Handle AVX modes.
3226 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3228 2010-04-09 Richard Guenther <rguenther@suse.de>
3230 PR target/43152
3231 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3233 2010-04-09 Richard Guenther <rguenther@suse.de>
3235 * tree-vectorizer.h (struct _stmt_vec_info): Document
3236 that vectype is the type of the LHS.
3237 (supportable_widening_operation, supportable_narrowing_operation):
3238 Get both input and output vector types as arguments.
3239 (vect_is_simple_use_1): Declare.
3240 (get_same_sized_vectype): Likewise.
3241 * tree-vect-loop.c (vect_determine_vectorization_factor):
3242 Set STMT_VINFO_VECTYPE to the vector type of the def.
3243 (vectorizable_reduction): Adjust.
3244 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3245 Adjust. Specify the output vector type.
3246 (vect_pattern_recog_1): Adjust.
3247 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3248 (vectorizable_call): Adjust.
3249 (vectorizable_conversion): Likewise.
3250 (vectorizable_operation): Likewise.
3251 (vectorizable_type_demotion): Likewise.
3252 (vectorizable_type_promotion): Likewise.
3253 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3254 the def.
3255 (vect_is_simple_use_1): New function.
3256 (supportable_widening_operation): Get both input and output
3257 vector types.
3258 (supportable_narrowing_operation): Likewise.
3259 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3261 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3263 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3264 __thiscall and _thiscall as predefined macros.
3265 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3266 thiscall attribute handling.
3267 (ix86_comp_type_attributes): Likewise.
3268 (ix86_function_regparm): Likewise.
3269 (ix86_return_pops_args): Likewise.
3270 (init_cumulative_args): Likewise.
3271 (find_drap_reg): Likewise.
3272 (ix86_static_chain): Likewise.
3273 (x86_this_parameter): Likewise.
3274 (x86_output_mi_thunk): Likewise.
3275 (ix86_attribute_table): Add description for thiscall attribute.
3276 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3277 * doc/extend.texi: Add documentation for thiscall.
3279 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3281 PR c++/28584
3282 * c.opt (Wint-to-pointer-cast): Available in C++.
3283 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3285 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3287 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3288 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3289 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3290 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3291 function type instead. Reorder and simplify checks.
3293 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3295 2010-04-08 Jing Yu <jingyu@google.com>
3296 Zdenek Dvorak <ook@ucw.cz>
3298 PR tree-optimization/42720
3299 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3300 loop unswitch conditions here from ...
3301 (tree_unswitch_single_loop): ... here.
3303 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3305 * tree-if-conv.c: Fix comments and simplify logic.
3307 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3309 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3310 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3311 (main_tree_if_conversion): Update call to tree_if_conversion.
3313 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3315 PR 42485
3316 * doc/invoke.texi (-b,-V): Delete.
3317 * doc/tm.texi: Do not mention -b.
3318 * gcc.c (display_help): Delete -b and -V.
3319 (process_command): Delete -b and -V.
3320 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3322 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3323 Wolfgang Gellerich <gellerich@de.ibm.com>
3325 Implement target hook for loop unrolling
3326 * target.h (loop_unroll_adjust): Add a new target hook function.
3327 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3328 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3329 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3330 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3331 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3332 target hook.
3333 (decide_unroll_stupid): Likewise.
3335 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3337 PR target/43643
3338 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3340 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3342 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3343 (Specific, *-*-solaris2*): Likewise.
3344 Don't prefer Sun as over GNU as.
3346 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3348 * config/s390/s390.c (override_options): Adjust the z10
3349 defaults for max-unroll-times, max-completely-peeled-insns
3350 and max-completely-peel-times.
3352 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3354 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3355 instructions for z10.
3356 (s390_expand_setmem): Likewise.
3357 (s390_expand_cmpmem): Likewise.
3359 2010-04-08 Richard Guenther <rguenther@suse.de>
3361 PR tree-optimization/43679
3362 * tree-ssa-pre.c (eliminate): Only propagate copies.
3364 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3366 PR bootstrap/43681
3367 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3368 set but not used variable warning.
3370 2010-04-08 Wei Guozhi <carrot@google.com>
3372 PR target/41653
3373 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3374 (arm_size_rtx_costs): Call the new function when optimized for size.
3376 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3378 PR debug/43670
3379 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3380 op0 is not a MEM, just return NULL instead of assertion
3381 failure.
3382 (discover_nonconstant_array_refs): Don't walk debug stmts.
3384 2010-04-08 Doug Kwan <dougkwan@google.com>
3386 * configure.ac: Recognize gold and do not use its version number
3387 to test ld features.
3388 * configure: Regenerate.
3390 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3392 PR middle-end/40815
3393 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3394 (negate_value): Move code to push elements to broken_up_substracts ...
3395 (eliminate_plus_minus_pair): ... here. Push operands that have no
3396 negative pair to plus_negates.
3397 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3399 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3401 * doc/install.texi (Configuration): Move description of
3402 --enable-lto, --with-libelf*, --enable-gold from Java section to
3403 general section.
3405 * doc/generic.texi (Working with declarations)
3406 (Function Properties, C and C++ Trees): Fix typos.
3407 * doc/sourcebuild.texi (Top Level): Likewise.
3409 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3411 PR c/18624
3412 * tree.h (DECL_READ_P): Define.
3413 (struct tree_decl_common): Add decl_read_flag.
3414 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3415 a set but not used warning.
3416 (merge_decls): Merge DECL_READ_P flag.
3417 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3418 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3419 * c-common.c (handle_used_attribute, handle_unused_attribute):
3420 Likewise.
3421 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3422 New prototypes.
3423 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3424 New functions.
3425 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3426 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3427 c_parser_binary_expression, c_parser_cast_expression,
3428 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3429 Call default_function_array_read_conversion instead of
3430 default_function_array_conversion where needed.
3431 (c_parser_unary_expression, c_parser_conditional_expression,
3432 c_parser_postfix_expression_after_primary, c_parser_initelt):
3433 Likewise. Call mark_exp_read where needed.
3434 (c_parser_statement_after_labels, c_parser_asm_operands,
3435 c_parser_typeof_specifier, c_parser_sizeof_expression,
3436 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3437 where needed.
3438 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3439 New.
3440 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3441 (warn_unused_but_set_parameter): Default to warn_unused
3442 && extra_warnings.
3443 * doc/invoke.texi: Document -Wunused-but-set-variable and
3444 -Wunused-but-set-parameter.
3446 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3447 used count variable.
3448 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3449 when operandN variables aren't used in the body of the expander
3450 or splitter.
3451 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3452 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3453 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3454 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3455 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3456 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3457 * tree.c (PROCESS_ARG): Likewise.
3459 2010-04-07 Simon Baldwin <simonb@google.com>
3461 * diagnostic.h (diagnostic_override_option_index): New macro to
3462 set a diagnostic's option_index.
3463 * c-tree.h (c_cpp_error): Add warning reason argument.
3464 * opts.c (_warning_as_error_callback): New.
3465 (register_warning_as_error_callback): Store callback for
3466 warnings enabled via enable_warning_as_error.
3467 (enable_warning_as_error): Call callback, minor code tidy.
3468 * opts.h (register_warning_as_error_callback): Declare.
3469 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3470 response to -Werror=.
3471 (c_common_init_options): Register warning_as_error_callback in opts.c.
3472 * common.opt: Add -Wno-cpp option.
3473 * c-common.c (struct reason_option_codes_t): Map cpp warning
3474 reason codes to gcc option indexes.
3475 * (c_option_controlling_cpp_error): New function, lookup the gcc
3476 option index for a cpp warning reason code.
3477 * (c_cpp_error): Add warning reason argument, call
3478 c_option_controlling_cpp_error for diagnostic_override_option_index.
3479 * doc/invoke.texi: Document -Wno-cpp.
3481 2010-04-07 Richard Guenther <rguenther@suse.de>
3483 * ipa-reference.c (mark_load): Use get_base_address.
3484 (mark_store): Likewise.
3486 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3487 inserting GIMPLE_NOPs into the IL.
3488 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3489 Explicitly strip handled components and indirect references.
3491 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3492 folding address expressions.
3493 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3494 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3495 operand_equal_p to compare decls.
3496 (ptr_deref_may_alias_decl_p): Likewise.
3497 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3498 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3499 Handle reversed comparison ops.
3500 * tree-sra.c (asm_visit_addr): Use get_base_address.
3501 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3502 * ipa-reference.c (mark_address): Use get_base_address.
3504 2010-04-07 Richard Guenther <rguenther@suse.de>
3506 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3507 Propagate constants everywhere.
3509 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3511 PR debug/43516
3512 * tree.c (MAX_INT_CACHED_PREC): Define.
3513 (nonstandard_integer_type_cache): New array.
3514 (build_nonstandard_integer_type): Cache results for precision
3515 <= MAX_INT_CACHED_PREC.
3517 2010-04-07 Richard Guenther <rguenther@suse.de>
3519 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3520 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3521 * common.opt: Likewise.
3522 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3523 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3524 (nonoverlapping_memrefs_p): Likewise.
3525 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3526 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3527 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3528 OPT_fargument_noalias_global for backward compatibility.
3530 2010-04-07 Richard Guenther <rguenther@suse.de>
3532 PR tree-optimization/43270
3533 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3534 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3535 * tree-ssa-pre.c (phi_translate_1): Adjust.
3536 (fully_constant_expression): Split out vn_reference handling to ...
3537 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3538 Fold reads from constant strings.
3539 (vn_reference_lookup): Handle fully constant references.
3540 (vn_reference_lookup_pieces): Likewise.
3541 * Makefile.in (expmed.o-warn): Add -Wno-error.
3543 2010-04-07 Martin Jambor <mjambor@suse.cz>
3545 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3547 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3549 PR driver/41594
3550 * gcc.c: Add -static-libstdc++ to list of recognized options.
3552 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3554 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3556 2010-04-07 Richard Guenther <rguenther@suse.de>
3558 PR middle-end/42617
3559 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3560 bases build simple mem attributes to retain points-to information.
3562 2010-04-07 Richard Guenther <rguenther@suse.de>
3564 PR middle-end/42617
3565 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3566 preserve points-to related information.
3568 2010-04-07 Richard Guenther <rguenther@suse.de>
3570 PR middle-end/42617
3571 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3572 discard plain indirect references.
3573 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3574 * tree.c (tree_nop_conversion): Likewise.
3576 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3578 PR debug/43628
3579 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3581 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3583 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3584 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3586 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3588 * tree-if-conv.c: Fix indentation and comments.
3590 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3592 * tree-if-conv.c: Sort static functions in topological order.
3594 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3596 * tree-if-conv.c: Fix indentation and comments.
3598 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3600 PR middle-end/43519
3601 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3602 lang_hooks.types.type_for_size instead of
3603 build_nonstandard_integer_type.
3604 When converting an unsigned type to signed, double its precision.
3605 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3606 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3607 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3608 use lb <= ub.
3610 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3612 PR middle-end/43519
3613 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3614 POINTER_PLUS_EXPR for pointer types.
3616 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3618 PR middle-end/43519
3619 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3620 * graphite-clast-to-gimple.c: Include langhooks.h.
3621 (max_signed_precision_type): New.
3622 (max_precision_type): Takes two types as arguments.
3623 (precision_for_value): New.
3624 (precision_for_interval): New.
3625 (gcc_type_for_interval): New.
3626 (gcc_type_for_value): New.
3627 (gcc_type_for_clast_term): New.
3628 (gcc_type_for_clast_red): New.
3629 (gcc_type_for_clast_bin): New.
3630 (gcc_type_for_clast_expr): Split up into several functions.
3631 (gcc_type_for_clast_eq): Rewritten.
3632 (compute_bounds_for_level): New.
3633 (compute_type_for_level_1): New.
3634 (compute_type_for_level): New.
3635 (gcc_type_for_cloog_iv): Removed.
3636 (gcc_type_for_iv_of_clast_loop): Rewritten.
3637 (graphite_create_new_loop): Compute the lower and upper bound types
3638 with gcc_type_for_clast_expr.
3639 (graphite_create_new_loop_guard): Same.
3640 (find_cloog_iv_in_expr): Removed.
3641 (compute_cloog_iv_types_1): Removed.
3642 (compute_cloog_iv_types): Removed.
3643 (gloog): Do not call compute_cloog_iv_types.
3644 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3645 GBB_CLOOG_IV_TYPES.
3646 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3647 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3648 (GBB_CLOOG_IV_TYPES): Removed.
3650 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3652 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3653 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3654 (detect_commutative_reduction): Same.
3656 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3658 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3659 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3660 argument.
3661 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3662 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3663 (rewrite_commutative_reductions_out_of_ssa): Same.
3664 * passes.c (execute_function_todo): Call verify_ssa for every pass
3665 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3666 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3667 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3668 with an extra argument.
3669 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3670 verify_ssa only when the extra argument is true.
3671 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3672 with an extra argument.
3673 (tree_transform_and_unroll_loop): Same.
3675 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3677 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3678 for all the passes of the LNO having LOOP_CLOSED_SSA.
3679 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3680 * tree-loop-distribution.c (pass_loop_distribution): Same.
3681 * tree-pass.h (TODO_verify_loops): Removed.
3682 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3683 (pass_lim): Same.
3684 (pass_tree_unswitch): Same.
3685 (pass_predcom): Same.
3686 (pass_vectorize): Same.
3687 (pass_linear_transform): Same.
3688 (pass_graphite_transforms): Same.
3689 (pass_iv_canon): Same.
3690 (pass_complete_unroll): Same.
3691 (pass_complete_unrolli): Same.
3692 (pass_parallelize_loops): Same.
3693 (pass_loop_prefetch): Same.
3694 (pass_iv_optimize): Same.
3696 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3698 PR middle-end/32824
3699 * passes.c (init_optimization_passes): Move pass_lim before
3700 pass_copy_prop and pass_dce_loop.
3702 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3704 PR target/43667
3705 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3706 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3707 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3708 MULTI_* defines for 4 argument vpermil2p* builtins.
3710 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3712 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3713 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3714 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3715 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3716 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3717 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3718 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3719 Use x86_maybe_negate_const_int to output insn mnemonic.
3720 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3721 check from instruction predicate. Update comments.
3722 * config/i386/sync.md (sync_add<mode>): Use
3723 x86_maybe_negate_const_int to output insn mnemonic.
3725 2010-04-06 Jan Hubicka <jh@suse.cz>
3727 PR tree-optimization/42906
3728 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3729 IGNORE_SELF argument. Set visited_control_parents for fully
3730 processed BBs.
3731 (find_obviously_necessary_stmts): Update call of
3732 mark_control_dependent_edges_necessary.
3733 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3735 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3737 * config/i386/i386.md: Remove comment about 'e' and 'E'
3738 operand modifier.
3740 2010-04-06 Richard Guenther <rguenther@suse.de>
3742 PR tree-optimization/43627
3743 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3744 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3745 not varying.
3747 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3749 * BASE-VER: Change to 4.6.0.
3751 PR target/43638
3752 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3753 handling.
3755 2010-04-06 Richard Guenther <rguenther@suse.de>
3757 PR middle-end/43661
3758 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3760 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3762 * doc/invoke.texi (Optimize Options): Document that LTO
3763 won't remove object access purely due to incompatible
3764 declarations.
3766 2010-04-04 Matthias Klose <doko@ubuntu.com>
3768 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3769 Initialize variable.
3771 2010-04-03 Richard Guenther <rguenther@suse.de>
3773 PR middle-end/42509
3774 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3775 require a non-NULL MEM_OFFSET.
3777 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3779 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3780 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3781 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3782 config/alpha/predicates.md, config/arm/arm.md,
3783 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3784 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3785 config/darwin9.h, config/darwin.c, config/darwin.h,
3786 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3787 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3788 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3789 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3790 config/mips/mips.md, config/mn10300/mn10300.c,
3791 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3792 config/rs6000/aix.h, config/rs6000/dfp.md,
3793 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3794 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3795 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3796 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3797 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3798 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3799 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3800 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3801 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3802 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3803 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3804 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3805 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3806 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3807 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3808 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3809 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3810 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3811 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3812 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3813 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3814 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3815 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3816 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3817 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3818 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3819 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3820 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3821 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3822 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3823 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3824 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3825 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3826 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3827 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3828 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3830 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3832 PR other/43620
3833 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3834 * aclocal.m4: Regenerate.
3836 2010-04-02 Richard Guenther <rguenther@suse.de>
3838 PR tree-optimization/43629
3839 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3840 if we have seen a constant value.
3842 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3844 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3846 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3848 PR target/43469
3849 * arm.c (legitimize_tls_address): Adjust call to
3850 gen_tls_load_dot_plus_four.
3851 (arm_note_pic_base): New function.
3852 (arm_cannot_copy_insn_p): Use it.
3853 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3854 constraint.
3856 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3858 PR bootstrap/43531
3860 Revert:
3861 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3863 * Makefile.in ($(out_object_file)): Depend on
3864 gt-$(basename $(notdir $(out_file))).h.
3866 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3868 * config.gcc (lm32-*-rtems*): Add t-lm32.
3870 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3872 * config.gcc: Add lm32-*-rtems*.
3873 * config/lm32/rtems.h: New file.
3875 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3877 PR target/42609
3878 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3880 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3882 * dwarf2out.c (output_compilation_unit_header): For
3883 -gdwarf-4 use version 4 instead of version 3.
3884 (output_line_info): For version 4 and above emit additional
3885 maximum ops per insn header field.
3886 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3888 * dwarf2out.c (is_c_family, is_java): Remove.
3889 (lower_bound_default): New function.
3890 (add_bound_info, gen_descr_array_type_die): Use it.
3892 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3894 PR debug/43325
3895 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3896 re-declaration when it happens in a function.
3898 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3900 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3901 (cgraph_remove_function_insertion_hook): Same.
3902 (cgraph_call_function_insertion_hooks): Same.
3904 2010-04-01 Richard Guenther <rguenther@suse.de>
3906 PR middle-end/43614
3907 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3908 and TREE_THIS_VOLATILE.
3909 (copy_ref_info): Likewise.
3910 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3911 * tree.c (build6_stat): Ignore side-effects of all but arg5
3912 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3913 TARGET_MEM_REF.
3915 2010-04-01 Richard Guenther <rguenther@suse.de>
3917 PR tree-optimization/43607
3918 * ipa-type-escape.c (check_call): Do not access non-existing
3919 arguments.
3921 2010-04-01 Richard Guenther <rguenther@suse.de>
3923 PR middle-end/43602
3924 Revert
3925 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3926 Jack Howarth <howarth@bromo.med.uc.edu>
3928 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3929 variables TLS.
3931 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3933 * doc/install.texi (Prerequisites): Document libelf usability on
3934 IRIX 5/6 and Solaris 2.
3935 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3936 Update GNU as, GNU ld requirements.
3937 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3938 Document Sun Studio compiler download.
3939 Update and simplify as, ld recommendations.
3940 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3942 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3944 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3945 with_tune_32 to pentium4.
3947 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3949 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3951 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3953 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3954 obsoletion, removal.
3955 Update IDO URL.
3956 Document GNU as requirement.
3957 Update configure requirements.
3958 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3959 Recomment IRIX 6.5.18+.
3960 Document IDF/IDL requirement.
3961 Document GNU as requirement.
3962 Document GNU ld bootstrap failure.
3963 Remove freeware.sgi.com reference.
3965 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3967 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3968 UNIX V4.0, V5.0 obsoletion, removal.
3969 Remove --with-gc=simple reference.
3970 Update VM requirements during bootstrap.
3971 Remove -oldas bootstrap description.
3972 Update binutils reference.
3973 Remove comparison failure note.
3975 2010-03-31 Richard Guenther <rguenther@suse.de>
3976 Zdenek Dvorak <ook@ucw.cz>
3977 Sebastian Pop <sebastian.pop@amd.com>
3979 PR middle-end/43464
3980 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3981 with multiple arguments.
3982 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3984 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3986 * graphite-dependences.c (print_pddr): Call print_pdr with an
3987 extra argument.
3988 * graphite-poly.c (debug_pdr): Add an extra argument for the
3989 verbosity level.
3990 (print_pdr): Same.
3991 (print_pbb_domain): Same.
3992 (print_pbb): Same.
3993 (print_scop_context): Same.
3994 (print_scop): Same.
3995 (print_cloog): Same.
3996 (debug_pbb_domain): Same.
3997 (debug_pbb): Same.
3998 (print_pdrs): Same.
3999 (debug_pdrs): Same.
4000 (debug_scop_context): Same.
4001 (debug_scop): Same.
4002 (debug_cloog): Same.
4003 (print_scop_params): Same.
4004 (debug_scop_params): Same.
4005 (print_iteration_domain): Same.
4006 (print_iteration_domains): Same.
4007 (debug_iteration_domain): Same.
4008 (debug_iteration_domains): Same.
4009 (print_scattering_function): Same.
4010 (print_scattering_functions): Same.
4011 (debug_scattering_function): Same.
4012 (debug_scattering_functions): Same.
4013 * graphite-poly.h (debug_pdr): Update declaration.
4014 (print_pdr): Same.
4015 (print_pbb_domain): Same.
4016 (print_pbb): Same.
4017 (print_scop_context): Same.
4018 (print_scop): Same.
4019 (print_cloog): Same.
4020 (debug_pbb_domain): Same.
4021 (debug_pbb): Same.
4022 (print_pdrs): Same.
4023 (debug_pdrs): Same.
4024 (debug_scop_context): Same.
4025 (debug_scop): Same.
4026 (debug_cloog): Same.
4027 (print_scop_params): Same.
4028 (debug_scop_params): Same.
4029 (print_iteration_domain): Same.
4030 (print_iteration_domains): Same.
4031 (debug_iteration_domain): Same.
4032 (debug_iteration_domains): Same.
4033 (print_scattering_function): Same.
4034 (print_scattering_functions): Same.
4035 (debug_scattering_function): Same.
4036 (debug_scattering_functions): Same.
4038 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4040 * graphite-poly.c (print_scattering_function_1): New.
4041 (print_scattering_function): Call it.
4042 (print_scop_params): Remove spaces at the end of lines.
4043 (print_cloog): New.
4044 (debug_cloog): New.
4045 * graphite-poly.h (print_cloog): Declared.
4046 (debug_cloog): Declared.
4048 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4050 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
4051 in loop->header.
4052 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
4053 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
4054 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
4055 to switch between adding the IV bump in loop->latch or in loop->header.
4057 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4059 * graphite-poly.c (print_scattering_function): Pretty print following
4060 the scoplib format.
4061 (print_pdr): Same.
4062 (print_pbb_domain): Same.
4063 (dump_gbb_cases): Same.
4064 (dump_gbb_conditions): Same.
4065 (print_pdrs): Same.
4066 (print_pbb): Same.
4067 (print_scop_params): Same.
4068 (print_scop_context): Same.
4069 (print_scop): Same.
4070 (print_pbb_body): New.
4071 (lst_indent_to): New.
4072 (print_lst): Start new lines with a #.
4073 * graphite-poly.h (pbb_bb): New.
4074 (pbb_index): Use pbb_bb.
4075 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
4076 disjuncts.
4077 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
4079 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4081 * dwarf2out.c (size_of_die): For -gdwarf-4 use
4082 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
4083 and 0 instead of 1 for dw_val_class_flag.
4084 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
4085 dw_val_class_range_list, dw_val_class_loc_list,
4086 dw_val_class_lineptr and dw_val_class_macptr, use
4087 DW_FORM_flag_present for dw_val_class_flag and
4088 DW_FORM_exprloc for dw_val_class_loc.
4089 (output_die): For -gdwarf-4 print dw_val_class_loc
4090 size as uleb128 instead of 1 or 2 bytes and don't print
4091 anything for dw_val_class_flag.
4093 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
4094 instead of cselib_lookup following by tweaking locs->setting_insn.
4096 PR bootstrap/43596
4097 * cselib.c (cselib_process_insn): Clear cselib_current_insn
4098 even before returning from label, setjmp call or volatile asm
4099 handling.
4101 2010-03-31 Richard Guenther <rguenther@suse.de>
4103 PR middle-end/43600
4104 * cgraphunit.c (cgraph_output_in_order): Do not allocate
4105 temporary data on stack.
4107 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4109 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
4110 (PUSHSECTION_ASM_OP): Remove.
4111 (POPSECTION_ASM_OP): Remove.
4112 (PUSHSECTION_FORMAT): Remove.
4113 * config/sol2.h (PUSHSECTION_FORMAT): Define.
4114 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
4115 * config/sol2.c (solaris_output_init_fini): Use it.
4117 2010-03-31 Jie Zhang <jie@codesourcery.com>
4119 PR 43574
4120 * opt-functions.awk (var_type_struct): Use signed char type
4121 for simple variables.
4123 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4125 * config/sol2.c: Include output.h.
4126 (solaris_assemble_visibility): New function.
4127 * config/t-sol2 (sol2.o): Add output.h dependency.
4128 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4129 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4130 Redefine.
4132 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4134 PR target/43580
4135 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4136 V2SImode or XFmode on PRE_DEC.
4138 PR debug/43557
4139 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4140 BLKmode.
4142 2010-03-31 Jie Zhang <jie@codesourcery.com>
4144 PR 43562
4145 * reload.h (caller_save_initialized_p): Declare.
4146 * toplev.c (backend_init_target): Don't call
4147 init_caller_save but set caller_save_initialized_p to false.
4148 * caller-save.c (caller_save_initialized_p): Define.
4149 (init_caller_save): Check caller_save_initialized_p.
4150 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4152 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4154 PR target/39048
4155 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4156 and soft-fp/t-softfp to tmake_file.
4157 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4158 (LIBGCC2_TF_CEXT): Define.
4159 (TF_SIZE): Define.
4161 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4163 PR debug/42977
4164 * cselib.c (n_useless_values): Document handling of debug locs.
4165 (n_useless_debug_values, n_debug_values): New variables.
4166 (new_elt_loc_list): Don't add to debug values, keep count.
4167 (promote_debug_loc): New.
4168 (cselib_reset_table): Zero new variables.
4169 (entry_and_rtx_equal_p): Promote debug locs.
4170 (discard_useless_locs): Increment n_useless_debug_values for
4171 debug values.
4172 (remove_useless_values): Adjust n_useless_values and n_debug_values
4173 with n_useless_debug_values.
4174 (add_mem_for_addr): Promote debug locs.
4175 (cselib_lookup_mem): Likewise.
4176 (cselib_lookup_addr): Renamed to...
4177 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4178 (cselib_log_lookup): ... this. Turn into...
4179 (cselib_lookup_addr): ... new wrapper.
4180 (cselib_lookup_from_insn): New.
4181 (cselib_invalidate_regno): Increment n_useless_debug_values for
4182 debug values.
4183 (cselib_invalidate_mem): Likewise.
4184 (cselib_process_insn): Take n_deleted and n_debug_values into
4185 account to guard remove_useless_value call.
4186 (cselib_finish): Zero n_useless_debug_values.
4187 * cselib.h (cselib_lookup_from_insn): Declare.
4188 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4189 (sched_analyze_2): Likewise.
4191 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4193 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4194 functions.
4195 (adjust_mems): Replace narrowing SUBREG of expression containing
4196 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4197 with operations in the narrower mode.
4199 PR debug/43593
4200 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4201 regs_invalidated_by_call instead all call_used_reg_set registers.
4203 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4205 PR middle-end/43430
4206 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4207 pointer comparisons with types_compatible_p.
4208 * tree-vect-stmts.c (vectorizable_call): Same.
4209 (vectorizable_condition): Same.
4211 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4213 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4214 stack check if the mask would be zero.
4216 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4217 Jack Howarth <howarth@bromo.med.uc.edu>
4219 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4220 variables TLS.
4222 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4224 PR other/25232
4225 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4226 and __unordtf2.
4227 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4228 Include ___unordxf2 and ___unordtf2.
4229 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4230 GCC_4.4.0 here.
4232 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4234 * config/lm32/t-lm32: New file.
4235 * config.gcc: Use the above file when targetting lm32.
4237 2010-03-28 Duncan Sands <baldrick@free.fr>
4239 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4241 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4243 PR middle-end/43431
4244 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4245 Improve vectorization cost model diagnostic.
4247 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4249 PR middle-end/43436
4250 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4251 compute_data_dependences_for_loop returns false, early exit
4252 and output an extra diagnostic for the failed data reference
4253 analysis.
4255 2010-03-29 Richard Guenther <rguenther@suse.de>
4257 PR tree-optimization/43560
4258 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4259 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4261 2010-03-29 Jie Zhang <jie@codesourcery.com>
4263 PR 43564
4264 * toplev.c (process_options): Set optimization_default_node
4265 and optimization_current_node.
4266 * opts.c (decode_options): Don't set optimization_default_node
4267 and optimization_current_node.
4269 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4271 * config/rtems.h: Abandon -qrtems_debug.
4273 2010-03-28 Jan Hubicka <jh@suse.cz>
4275 PR tree-optimization/43505
4276 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4277 map should not be copied.
4279 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4281 PR middle-end/41674
4282 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4283 cdtors, set DECL_PRESERVE_P.
4284 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4285 should be preseved.
4287 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4289 PR tree-optimization/43528
4290 * stor-layout.c (place_field): Check that constant fits into
4291 unsigned HWI when skipping calculation of MS bitfield layout.
4293 2010-03-27 Jan Hubicka <jh@suse.cz>
4295 PR middle-end/43391
4296 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4297 notice_global_symbol work.
4299 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4301 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4302 instead of dwarf2out_decl.
4303 (struct var_loc_node): Remove section_label field.
4304 (dwarf2out_function_decl): New function.
4305 (dwarf2out_var_location): Don't set section_label field.
4306 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4308 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4310 PR tree-optimization/43544
4311 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4312 First argument for builtin vectorized function hook is now a
4313 tree to be able to distinguish between machine specific and
4314 standard builtins.
4315 * targhooks.c (default_builtin_vectorized_function): Ditto.
4316 * targhooks.h (default_builtin_vectorized_function): Ditto.
4317 * target.h (struct gcc_target): Ditto.
4318 * tree-vect-stmts.c (vectorizable_function): Ditto.
4319 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4320 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4321 Ditto.
4323 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4325 PR c/43381
4326 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4327 nested binding iff it is a FUNCTION_DECL.
4328 (store_parm_decls_newstyle): Pass nested=true to bind for
4329 FUNCTION_DECLs amongst parameters.
4331 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4333 * var-tracking.c (vt_expand_loc_callback): Don't run
4334 cselib_expand_value_rtx_cb in dummy mode if
4335 cselib_dummy_expand_value_rtx_cb returned false.
4337 * var-tracking.c (emit_note_insn_var_location): For one part
4338 notes with offset 0, don't add EXPR_LIST around the location.
4339 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4340 add_location_or_const_value_attribute): Adjust for that change.
4342 PR debug/43540
4343 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4344 into first operand and location into second.
4345 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4346 dw_cfi_oprnd_loc for DW_CFA_expression.
4347 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4348 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4349 assume first argument is regnum and second argument is location.
4351 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4353 PR target/42113
4354 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4355 of scratch register to DImode. Split to DImode comparison operator.
4356 Use SImode subreg of scratch register in the multiplication.
4357 (*cmp_sadd_sidi): Ditto.
4358 (*cmp_ssub_si): Ditto.
4359 (*cmp_ssub_sidi): Ditto.
4361 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4363 PR target/43524
4364 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4365 Remove invalid assert and wrong comment.
4367 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4369 PR debug/43516
4370 * flags.h (final_insns_dump_p): New extern.
4371 * final.c (final_insns_dump_p): New variable.
4372 (rest_of_clean_state): Set it before -fdump-final-insns=
4373 dumping, clear afterwards.
4374 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4375 MEM_ALIAS_SET on MEMs.
4377 2010-03-26 David S. Miller <davem@davemloft.net>
4379 * configure.ac: Fix sparc GOTDATA_OP bug check.
4380 * configure: Rebuild.
4382 2010-03-26 Alan Modra <amodra@gmail.com>
4384 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4386 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4388 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4389 TLS_SECTION_ASM_FLAG.
4391 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4393 PR bootstrap/43511
4394 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4395 Clear first_function_block_is_cold.
4397 PR c/43385
4398 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4399 argument if the argument is truth_value_p.
4401 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4403 * config/rs6000/constraints.md: Update copyright year for my changes.
4405 PR target/43484
4406 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4407 used in reg+reg addressing, swap registers.
4409 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4411 PR debug/43293
4412 * target.h (struct gcc_target): Add code_end hook.
4413 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4414 if not yet defined.
4415 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4416 * toplev.c (compile_file): Call targetm.asm_out.code_end
4417 hook before unwind info/debug info output.
4418 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4419 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4420 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4421 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4422 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4423 * config/i386/i386.c (ix86_file_end): Renamed to...
4424 (ix86_code_end): ... this. Make static. Don't call
4425 file_end_indicate_exec_stack. Emit unwind info using
4426 final_start_function/final_end_function.
4427 (darwin_x86_file_end): Remove.
4428 (TARGET_ASM_CODE_END): Define.
4429 * config/i386/i386.h (TARGET_ASM_FILE_END,
4430 NEED_INDICATE_EXEC_STACK): Don't define.
4431 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4432 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4433 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4434 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4436 PR target/43498
4437 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4438 at the beginning and final_end_function at the end.
4439 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4441 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4443 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4444 and Sun as TLS syntax.
4445 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4446 * configure: Regenerate.
4447 * config.in: Regenerate.
4448 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4449 (default_elf_asm_named_section): Use it.
4450 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4451 (i386_output_dwarf_dtprel): Likewise.
4452 (output_addr_const_extra): Likewise.
4453 (output_pic_addr_const): Lowercase @GOTTPOFF.
4454 (output_addr_const_extra): Likewise.
4455 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4456 (output_addr_const_extra): Likewise.
4457 (output_pic_addr_const): Lowercase @INDNTPOFF.
4458 (output_addr_const_extra): Likewise.
4459 (output_pic_addr_const): Lowercase @NTPOFF.
4460 (output_addr_const_extra): Likewise.
4461 (output_pic_addr_const): Lowercase @TPOFF.
4462 (output_addr_const_extra): Likewise.
4463 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4464 (*tls_global_dynamic_64): Likewise.
4465 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4466 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4468 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4469 (ASM_OUTPUT_TLS_COMMON): Use it.
4470 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4472 PR target/38118
4473 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4474 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4475 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4476 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4477 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4478 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4480 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4482 * config/i386/i386.c (override_options): Don't accept
4483 -mtls-dialect=sun any longer.
4484 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4485 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4486 (*tls_local_dynamic_base_32_sun): Likewise.
4487 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4489 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4491 PR debug/43508
4492 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4493 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4495 PR debug/43479
4496 * ira.c (adjust_cleared_regs): New function.
4497 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4499 PR debug/19192
4500 PR debug/43479
4501 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4502 from gimple_block.
4503 * expr.c (expand_expr_real): Restore previous
4504 curr_insn_source_location and curr_insn_block after
4505 expand_expr_real_1 call.
4506 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4507 instead of expand_expr_real_1.
4509 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4511 PR rtl-optimization/43413
4512 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4513 hard regs too.
4515 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4517 PR target/43348
4518 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4519 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4521 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4523 * config/i386/i386.c (ix86_target_string): Add -mfma.
4524 Fix a typo in comment.
4526 2010-03-22 Mike Stump <mikestump@comcast.net>
4528 PR target/23071
4529 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4530 Don't overly align based upon packed packed fields.
4532 2010-03-22 Jason Merrill <jason@redhat.com>
4534 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4535 Use () rather than [], and move before the element type.
4537 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4539 * doc/configfiles.texi (Configuration Files): Removed
4540 fixinc/Makefile*, intl/Makefile.*.
4541 * doc/makefile.texi: Fixed markup. Abstract from version
4542 control system used.
4543 (Makefile): Removed obsolete gcc/java/parse.y example.
4544 * doc/sourcebuild.texi: Likewise.
4545 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4546 libgomp, libssp. Removed fastjar.
4547 (Miscellaneous Docs): Clarify location.
4548 Added COPYING3, COPYING3.LIB.
4549 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4551 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4553 PR target/38085
4554 * config/i386/i386.c (x86_function_profiler)
4555 [!NO_PROFILE_COUNTERS]: Fix typo.
4556 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4557 instead of callq.
4559 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4560 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4562 * doc/sourcebuild.texi (Test Directives): Split into six
4563 subsections, with most of the current text in new subsections
4564 Directives, Selectors, and Final Actions.
4565 (Directives): Split list of test directives into multiple
4566 subsubsections.
4567 (Selectors): Describe use and syntax of selectors.
4568 (Effective-Target Keywords): Describe all existing keywords.
4569 (Add Options): Describe features for dg-add-options.
4570 (Require Support): Describe variants of dg-require-support.
4571 (Final Actions): Describe commands to use in dg-final.
4573 2010-03-22 Michael Matz <matz@suse.de>
4575 PR middle-end/43475
4576 * recog.c (validate_replace_rtx_group): Replace also in
4577 REG_EQUAL and REG_EQUIV notes.
4579 2010-03-22 Richard Guenther <rguenther@suse.de>
4581 PR tree-optimization/43390
4582 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4583 sure vector extracts are type correct.
4585 2010-03-22 Richard Guenther <rguenther@suse.de>
4587 PR middle-end/40106
4588 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4589 x * sqrt (x) even when optimizing for size if the target
4590 has native support for sqrt.
4592 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4594 * varasm.c (make_decl_rtl_for_debug): Also clear
4595 flag_mudflap for the duration of make_decl_rtl call.
4597 PR debug/43443
4598 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4599 locs from preserved VALUEs.
4601 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4603 PR middle-end/42718
4604 * pa.md (movmemsi): Set align to one if zero.
4605 (movmemdi): Likewise.
4607 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4609 PR target/42321
4610 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4611 with their corresponding prologue pushes.
4613 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4615 PR target/43156
4616 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4617 at the begining or end.
4618 (spu_expand_epilogue): Likewise.
4620 2010-03-20 Richard Guenther <rguenther@suse.de>
4622 PR rtl-optimization/43438
4623 * combine.c (make_extraction): Properly zero-/sign-extend an
4624 extraction of the low part of a CONST_INT. Also handle
4625 CONST_DOUBLE.
4627 2010-03-19 Mike Stump <mikestump@comcast.net>
4629 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4630 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4631 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4633 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4635 PR c/43211
4636 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4637 an error.
4639 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4641 PR rtl-optimization/42258
4642 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4643 use that may match DEF.
4645 PR target/40697
4646 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4647 the cost of loading the constant rather than assuming
4648 COSTS_N_INSNS (1).
4649 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4650 outer code is AND, do the same tests as the andsi3 expander and
4651 return COSTS_N_INSNS (1) if and is cheap.
4653 * optabs.c (avoid_expensive_constant): Fix formatting.
4655 2010-03-19 Michael Matz <matz@suse.de>
4657 PR c++/43116
4658 * attribs.c (decl_attributes): When rebuilding a function pointer
4659 type use the same qualifiers as the original pointer type.
4661 2010-03-19 Martin Jambor <mjambor@suse.cz>
4663 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4664 and is_gimple_ip_invariant_address.
4666 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4668 Revert
4669 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4671 * config/arm/arm.c (arm_override_options): Turn off
4672 flag_dwarf2_cfi_asm for AAPCS variants.
4674 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4676 PR target/43399
4677 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4678 Use PRE_MODIFY instead of PRE_DEC.
4679 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4680 (vfp_emit_fstmd): Likewise.
4682 2010-03-19 Michael Matz <matz@suse.de>
4684 PR target/43305
4685 * builtins.c (expand_builtin_interclass_mathfn,
4686 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4687 if that fails.
4689 2010-03-19 Richard Guenther <rguenther@suse.de>
4691 PR tree-optimization/43415
4692 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4693 (phi_translate_1): ... this.
4694 (phi_translate): Move all caching here. Cache all NARY
4695 and REFERENCE translations.
4697 2010-03-19 David S. Miller <davem@davemloft.net>
4699 With help from Eric Botcazou.
4700 * config/sparc/sparc.c: Include dwarf2out.h.
4701 (emit_pic_helper): Delete.
4702 (pic_helper_symbol_name): Delete.
4703 (pic_helper_emitted_p): Delete.
4704 (pic_helper_needed): New.
4705 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4706 (get_pc_thunk_name): New.
4707 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4708 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4709 Set pic_helper_needed to true. Don't call emit_pic_helper.
4710 (sparc_expand_prologue): Update load_pic_register call.
4711 (sparc_output_mi_thunk): Likewise.
4712 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4713 thunk if possible. Output CFI information as needed.
4715 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4716 Jack Howarth <howarth@bromo.med.uc.edu>
4718 PR target/36399
4719 * config/i386/i386.h: Fix ABI on darwin x86-32.
4721 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4723 * tree.h: Declare make_decl_rtl_for_debug.
4724 * varasm.c (make_decl_rtl_for_debug): New.
4725 * dwarf2out.c (rtl_for_decl_location): Call it.
4726 * cfgexpand.c (expand_debug_expr): Call it.
4728 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4730 PR bootstrap/43399
4731 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4732 mem_mode.
4734 PR bootstrap/43403
4735 * var-tracking.c (vt_init_cfa_base): Do nothing if
4736 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4738 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4740 PR debug/42873
4741 * var-tracking.c (canonicalize_vars_star): New.
4742 (dataflow_post_merge_adjust): Use it.
4744 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4746 PR debug/43058
4747 * var-tracking.c (non_suitable_const): New function.
4748 (add_uses): For DEBUG_INSNs with constants, don't record any
4749 value, instead just the constant value itself.
4750 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4751 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4752 (emit_notes_in_bb): Likewise.
4753 (emit_note_insn_var_location): For onepart variables if
4754 cur_loc is a VOIDmode constant, use DECL_MODE.
4756 2010-03-18 Martin Jambor <mjambor@suse.cz>
4758 PR middle-end/42450
4759 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4760 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4761 all non-clones. Moved call redirection...
4762 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4763 (cgraph_materialize_all_clones): Dispose of all
4764 combined_args_to_skip bitmaps.
4765 (verify_cgraph_node): Do not check for edges pointing to wrong
4766 nodes in inline clones.
4767 * tree-inline.c (copy_bb): Call
4768 cgraph_redirect_edge_call_stmt_to_callee.
4769 * ipa.c (cgraph_remove_unreachable_nodes): Call
4770 cgraph_node_remove_callees even when there are used clones.
4772 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4774 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4776 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4778 PR target/43383
4779 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4780 for 32bit.
4782 2010-03-18 Michael Matz <matz@suse.de>
4784 PR middle-end/43419
4785 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4786 into sqrt(x) if we need to preserve signed zeros.
4788 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4789 Eric Botcazou <ebotcazou@adacore.com>
4791 PR rtl-optimization/43360
4792 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4793 note if we don't know its invariant status.
4795 2010-03-18 Michael Matz <matz@suse.de>
4797 PR tree-optimization/43402
4798 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4799 PHI chains of ssa names registered for update.
4801 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4803 PR target/42427
4804 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4805 non-offsettable and pre_modify update addressing.
4806 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4807 and "2" alternatives "#".
4808 (*movdd_softfloat32): Make all alternatives "#";
4809 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4810 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4811 (*movdf_softfloat32): Make all alternatives "#";
4812 (movdi): Use the new DIFD mode iterator to create a common splitter
4813 for movdi, movdf and movdd patterns.
4815 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4817 * common.opt (dumpdir): Remove redundant tab.
4819 2010-03-17 Martin Jambor <mjambor@suse.cz>
4821 PR tree-optimization/43347
4822 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4823 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4825 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4827 PR rtl-optimization/42216
4828 * regrename.c (create_new_chain): New function, broken out from...
4829 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4830 appending a use to an empty chain.
4831 (build_def_use): Remove previous changes that convert OP_INOUT to
4832 OP_OUT operands; instead detect the case where an OP_INOUT operand
4833 uses a previously untracked register and create an empty chain for it.
4835 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4837 * doc/extend.texi (Function Attributes): Rewrite unfinished
4838 sentence in ms_abi documentation.
4840 2010-03-17 Alan Modra <amodra@gmail.com>
4842 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4843 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4844 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4845 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4847 2010-03-16 Richard Henderson <rth@redhat.com>
4849 PR middle-end/43365
4850 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4851 (lower_try_finally): Save and restore eh_seq around the expansion
4852 of the try-finally.
4854 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4856 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4857 statements before splitting block.
4859 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4861 * doc/sourcebuild.texi (Testsuites): Fix markup.
4862 Use pathnames relative to gcc/testsuite.
4863 (Test Directives): Move description of how timeout is determined.
4864 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4865 (C Tests): Correct gcc.misc-tests directory.
4866 Framework tests now live in gcc.test-framework.
4868 2010-03-16 Richard Guenther <rguenther@suse.de>
4870 PR middle-end/43379
4871 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4872 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4874 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4875 Alexandre Oliva <aoliva@redhat.com>
4877 PR tree-optimization/42917
4878 * lambda-code.c (remove_iv): Skip debug statements.
4879 (lambda_loopnest_to_gcc_loopnest): Likewise.
4880 (not_interesting_stmt): Debug statements are not interesting.
4882 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4884 PR debug/43051
4885 PR debug/43092
4886 * cselib.c (cselib_preserve_constants,
4887 cfa_base_preserved_val): New static variables.
4888 (preserve_only_constants): New function.
4889 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4890 clear its REG_VALUES. If cselib_preserve_constants, don't
4891 empty the whole hash table, but preserve there VALUEs with constants,
4892 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4893 (cselib_preserve_cfa_base_value): New function.
4894 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4895 (cselib_init): Change argument to int bitfield. Set
4896 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4897 is in it.
4898 (cselib_finish): Clear cselib_preserve_constants and
4899 cfa_base_preserved_val.
4900 * cselib.h (enum cselib_record_what): New enum.
4901 (cselib_init): Change argument to int.
4902 (cselib_preserve_cfa_base_value): New prototype.
4903 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4904 * dse.c (dse_step1): Likewise.
4905 * cfgcleanup.c (thread_jump): Likewise.
4906 * sched-deps.c (sched_analyze): Likewise.
4907 * gcse.c (local_cprop_pass): Likewise.
4908 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4909 If FN is non-NULL, call the callback always and whenever it returns
4910 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4911 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4912 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4913 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4914 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4915 * var-tracking.c: Include recog.h.
4916 (bb_stack_adjust_offset): Remove.
4917 (vt_stack_adjustments): Don't call it, instead just gather the
4918 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4919 (adjust_stack_reference): Remove.
4920 (compute_cfa_pointer): New function.
4921 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4922 (struct adjust_mem_data): New type.
4923 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4924 functions.
4925 (get_address_mode): New function.
4926 (replace_expr_with_values): Use it.
4927 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4928 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4929 (adjust_sets): Remove.
4930 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4931 Use get_address_mode.
4932 (get_adjusted_src): Remove.
4933 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4934 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4935 (add_with_sets): Don't call adjust_sets.
4936 (fp_setter, vt_init_cfa_base): New functions.
4937 (vt_initialize): Change return type to bool. Move most of pool etc.
4938 initialization to the beginning of the function from end. Pass
4939 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4940 If !frame_pointer_needed, call vt_stack_adjustment before mos
4941 vector is filled, call vt_init_cfa_base if argp/framep has been
4942 eliminated to sp. If frame_pointer_needed and argp/framep has
4943 been eliminated to hard frame pointer, set
4944 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4945 encountering fp setter in the prologue. For MO_ADJUST, call
4946 log_op_type before pusing the op into mos vector, not afterwards.
4947 Call adjust_insn before cselib_process_insn/add_with_sets,
4948 call cancel_changes (0) afterwards.
4949 (variable_tracking_main_1): Adjust for vt_initialize calling
4950 vt_stack_adjustments and returning whether it succeeded or not.
4952 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4954 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4955 debug statements.
4957 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4959 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4960 has been set.
4961 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4962 drap_reg has not been set.
4964 2010-03-15 Michael Matz <matz@suse.de>
4966 PR middle-end/43300
4967 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4968 use it to expand block copies.
4969 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4970 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4971 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4973 2010-03-15 Richard Guenther <rguenther@suse.de>
4975 PR tree-optimization/43367
4976 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4977 elimination check.
4979 2010-03-15 Richard Guenther <rguenther@suse.de>
4981 PR tree-optimization/43317
4982 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4984 2010-03-15 Martin Jambor <mjambor@suse.cz>
4986 PR tree-optimization/43141
4987 * tree-sra.c (create_abstract_origin): New function.
4988 (modify_function): Call create_abstract_origin.
4990 2010-03-15 Chris Demetriou <cgd@google.com>
4992 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4993 wasn't copied.
4995 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4997 PR middle-end/43354
4998 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4999 call insert_out_of_ssa_copy for default definitions.
5001 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5003 * graphite-clast-to-gimple.c (my_long_long): Defined.
5004 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
5005 * graphite-sese-to-poly.c (my_long_long): Defined.
5006 (scop_ivs_can_be_represented): Use it.
5008 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5010 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
5011 graphite-max-bbs-per-function, and loop-block-tile-size.
5012 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
5013 with "maximum".
5014 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
5016 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5018 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
5019 forward declaration.
5020 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
5021 (add_upper_bounds_from_estimated_nit): New.
5022 (build_loop_iteration_domains): Use it.
5024 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5026 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
5028 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5030 PR middle-end/43306
5031 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
5032 should be an INTEGER_CST. Also handle CASE_CONVERT.
5034 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5036 * graphite.c (graphite_initialize): To bound the number of bbs per
5037 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
5038 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
5039 * doc/invoke.texi: Document it.
5041 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5043 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
5044 * graphite-sese-to-poly.h (build_poly_scop): Same.
5046 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5048 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
5049 the number of parameters in the scop. Use as an upper bound
5050 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
5051 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
5052 * doc/invoke.texi: Document it.
5054 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
5056 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
5057 * doc/c-tree.texi: Remove.
5058 * doc/generic.texi: Merge c-tree.texi here.
5059 * doc/gccint.texi (Trees): Remove menu entry.
5060 (c-tree.texi): Remove @include.
5061 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
5062 * doc/languages.texi (Reading RTL): Ditto.
5064 2010-03-12 Steve Ellcey <sje@cup.hp.com>
5066 PR target/42869
5067 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
5069 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
5071 PR middle-end/42431
5072 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
5073 code added to work around reload clobbering CONST insns.
5075 2010-03-12 Jakub Jelinek <jakub@redhat.com>
5077 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
5078 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
5079 (cselib_preserve_only_values): Remove retain argument, don't
5080 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
5081 * cselib.h (cselib_preserve_only_values): Remove retain argument.
5082 * var-tracking.c (micro_operation): Move insn field before union.
5083 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
5084 (struct variable_tracking_info_def): Remove n_mos field, change
5085 mos into a vector of micro_operations.
5086 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
5087 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
5088 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
5089 changing into a vector.
5090 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
5091 come before all other uops generated by add_stores.
5092 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
5093 argument removal.
5094 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
5095 a vector. Run just one pass over the bbs instead of separate counting
5096 and computation phase.
5097 (vt_finalize): Free VTI (bb)->mos vector instead of array.
5099 PR debug/43329
5100 * tree-inline.c (remap_decls): Put old_var rather than origin_var
5101 into *nonlocalized_list vector.
5102 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
5103 even if origin is non-NULL.
5104 (gen_variable_die): Likewise.
5105 (process_scope_var): Don't change origin.
5106 (gen_decl_die): Likewise.
5107 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
5108 before adding new edges instead of after it, fix moving over
5109 debug stmts.
5111 2010-03-11 David S. Miller <davem@davemloft.net>
5113 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
5114 of four.
5115 * configure: Rebuild.
5117 2010-03-11 Martin Jambor <mjambor@suse.cz>
5119 PR tree-optimization/43257
5120 * tree.c (assign_assembler_name_if_neeeded): New function.
5121 (free_lang_data_in_cgraph): Assembler name assignment moved to the
5122 above new function.
5123 * tree.h (assign_assembler_name_if_neeeded): Declare.
5124 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
5125 the function if needed.
5127 2010-03-11 Chris Demetriou <cgd@google.com>
5129 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5130 include/stdint-gcc.h, and include/stdint.h world-readable.
5132 2010-03-11 Richard Guenther <rguenther@suse.de>
5134 PR tree-optimization/43255
5135 * tree-vrp.c (process_assert_insertions_for): Do not insert
5136 asserts for trivial conditions.
5138 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5140 PR tree-optimization/43280
5141 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5142 generation. Move calculation of size out of the if branch.
5143 (find_bswap): Modify compare number generation.
5145 2010-03-11 Richard Guenther <rguenther@suse.de>
5147 PR lto/43200
5148 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5149 (input_gimple_stmt): Fixup handled component types during
5150 operand read. Also fix up decls in ADDR_EXPRs.
5152 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5154 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5155 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5157 2010-03-10 Jan Hubicka <jh@suse.cz>
5159 PR c/43288
5160 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5161 * varasm.c (get_variable_section): Don't do that here...
5162 (make_decl_rtl): ... and here.
5163 (do_assemble_alias): Produce decl RTL.
5164 (assemble_alias): Likewise.
5166 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5168 PR debug/43290
5169 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5170 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5171 of fde->vdrap_reg.
5172 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5173 (based_loc_descr): Only express drap or vdrap regno based expressions
5174 using DW_OP_fbreg when not optimizing.
5175 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5176 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5177 REG_CFA_SET_VDRAP note.
5179 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5181 PR tree-optimization/43236
5182 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5183 error in calculation of base address in reverse iteration case.
5184 (generate_builtin): Take number of latch executions if the statement
5185 is in the latch.
5187 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5189 PR middle-end/42859
5190 * tree-eh.c: Include pointer-set.h.
5191 (lower_eh_dispatch): Filter out duplicate case labels and
5192 remove the unneeded edge when the label is unused. Return
5193 true when some edges are removed.
5194 (execute_lower_eh_dispatch): When any lowering resulted in
5195 removing an edge, also delete unreachable blocks.
5197 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5199 PR bootstrap/43287
5200 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5201 UNSPEC_MACHOPIC_OFFSET.
5203 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5205 PR target/43294
5206 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5207 (m68k_delegitimize_address): New function.
5209 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5211 PR debug/43299
5212 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5214 PR debug/43299
5215 * var-tracking.c (adjust_sets): New function.
5216 (count_with_sets, add_with_sets): Use it.
5217 (get_adjusted_src): New inline function.
5218 (add_stores): Use it.
5220 PR debug/43304
5221 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5222 call cselib_dummy_expand_value_rtx_cb instead of
5223 cselib_expand_value_rtx_cb.
5225 PR debug/43293
5226 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5227 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5228 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5229 and .cfi_endproc around the pic thunks.
5230 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5231 all queued unwind info register saves are saved before the call.
5232 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5233 considered as sp-=4 for unwind info and the pop as sp+=4 which
5234 also clobbers dest, but doesn't actually restore it.
5236 PR debug/43290
5237 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5238 RTX_FRAME_RELATED_P.
5240 2010-03-09 Jie Zhang <jie@codesourcery.com>
5242 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5243 whitespaces in output template.
5245 2010-03-09 Jie Zhang <jie@codesourcery.com>
5247 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5248 out array boundary.
5250 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5252 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5253 builtins.exp in a separate job.
5255 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5257 * graphite-sese-to-poly.c (add_param_constraints): Use
5258 lower_bound_in_type and upper_bound_in_type.
5260 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5262 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5263 instead of unsigned_type_node.
5265 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5266 Reza Yazdani <reza.yazdani@amd.com>
5268 PR middle-end/43065
5269 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5270 on pointer type parameters.
5272 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5274 PR middle-end/42644
5275 PR middle-end/42130
5276 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5277 handle conversions from pointer to integers.
5278 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5279 induction variable, to be able to work with code generated by CLooG.
5280 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5281 (build_poly_scop): Bail out if we cannot codegen a loop.
5283 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5285 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5286 code generation with gloog_error.
5288 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5290 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5291 Call fold_convert on all the returned values.
5292 (expand_scalar_variables_expr): Pass to
5293 expand_scalar_variables_ssa_name the type of the resulting expression.
5295 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5297 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5298 ppl_min_for_le_pointset.
5299 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5300 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5302 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5304 * graphite-dependences.c (map_into_dep_poly): Removed.
5305 (dependence_polyhedron_1): Use combine_context_id_scat.
5307 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5309 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5310 (struct poly_bb): Same.
5311 (combine_context_id_scat): New.
5313 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5315 PR middle-end/42326
5316 * sese.c (name_defined_in_loop_p): Return false for default
5317 definitions.
5319 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5321 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5322 and clean up the logic.
5324 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5326 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5327 early return.
5329 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5331 * var-tracking.c (remove_cselib_value_chains): Define only for
5332 ENABLE_CHECKING.
5333 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5334 delete_slot_part, emit_notes_for_differences_1): Don't call
5335 remove_cselib_value_chains here.
5336 (set_slot_part, emit_notes_for_differences_2): Don't call
5337 add_cselib_value_chains here.
5338 (preserved_values): New vector.
5339 (preserve_value): New function.
5340 (add_uses, add_stores, vt_add_function_parameters): Use it
5341 instead of cselib_preserve_value.
5342 (changed_values_stack): New vector.
5343 (check_changed_vars_0): New function.
5344 (check_changed_vars_1, check_changed_vars_2): Use it.
5345 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5346 changed_values_stack VALUEs.
5347 (vt_emit_notes): For all preserved_values call
5348 add_cselib_value_chains. If ENABLE_CHECKING call
5349 remove_cselib_value_chains before verifying value_chains is empty.
5350 Initialize and free changed_values_stack.
5351 (vt_initialize): Initialize preserved_values.
5352 (vt_finalize): Free preserved_values.
5354 2010-03-08 Richard Guenther <rguenther@suse.de>
5356 PR tree-optimization/43269
5357 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5358 region detection.
5360 2010-03-08 Martin Jambor <mjambor@suse.cz>
5362 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5363 (ipa_is_param_called): Removed.
5364 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5365 (ipa_print_node_params): Do not print the called flag.
5366 (ipa_write_node_info): Do not stream the called flag.
5367 (ipa_read_node_info): Likewise.
5369 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5371 PR debug/43176
5372 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5373 * cselib.c (struct expand_value_data): Add dummy field.
5374 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5375 dummy to false.
5376 (cselib_dummy_expand_value_rtx_cb): New function.
5377 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5378 any rtl.
5379 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5380 * var-tracking.c: Include pointer-set.h.
5381 (variable): Change n_var_parts to char from int. Add
5382 cur_loc_changed and in_changed_variables fields.
5383 (variable_canonicalize): Remove.
5384 (shared_var_p): New inline function.
5385 (unshare_variable): Maintain cur_loc_changed and
5386 in_changed_variables fields. If var was in changed_variables,
5387 replace it there with new_var. Just copy cur_loc instead of
5388 resetting it to something else.
5389 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5390 (dataflow_set_union): Don't call variable_canonicalize.
5391 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5392 of their DEBUG_EXPR_TREE_DECLs.
5393 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5394 and in_changed_variables and cur_loc_changed is false.
5395 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5396 and cur_loc_changed. Don't update cur_loc here.
5397 (variable_merge_over_src): Don't call variable_canonicalize.
5398 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5399 removing loc that is equal to cur_loc, clear cur_loc,
5400 set cur_loc_changed and ensure variable_was_changed is called.
5401 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5402 compare pointers in cur_loc check, if it is equal to loc,
5403 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5404 (variable_different_p): Remove compare_current_location argument,
5405 don't compare cur_loc.
5406 (dataflow_set_different_1): Adjust variable_different_p caller.
5407 (variable_was_changed): If dv had some var in changed_variables
5408 already, reset in_changed_variables flag for it and propagate
5409 cur_loc_changed over to the new variable. On empty var
5410 always set cur_loc_changed. Set in_changed_variables on whatever
5411 var is added to changed_variables.
5412 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5413 Use shared_var_p. When removing loc that is equal to cur_loc,
5414 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5415 end, don't set it to something else, just call variable_was_changed.
5416 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5417 loc being removed, clear cur_loc and set cur_loc_changed.
5418 Set cur_loc_changed if all locations have been removed.
5419 (struct expand_loc_callback_data): New type.
5420 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5421 allocated. Always create SUBREGs if simplify_subreg failed.
5422 Prefer to use cur_loc, when that fails and still in
5423 changed_variables (and seen first time) recompute it. Set
5424 cur_loc_changed of variables which had to change cur_loc and
5425 compute elcd->cur_loc_changed if any of the subexpressions used
5426 had to change cur_loc.
5427 (vt_expand_loc): Adjust to pass arguments in
5428 expand_loc_callback_data structure.
5429 (vt_expand_loc_dummy): New function.
5430 (emitted_notes): New variable.
5431 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5432 that weren't used for any other decl in current
5433 emit_notes_for_changes call call vt_expand_loc_dummy to update
5434 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5435 first loc_chain location if NULL before. Always use just
5436 cur_loc instead of first loc_chain location. When cur_loc_changed
5437 is false, when not --enable-checking=rtl just don't emit any note.
5438 When rtl checking, compute the note and assert it is the same
5439 as previous note. Clear cur_loc_changed and in_changed_variables
5440 at the end before removing from changed_variables.
5441 (check_changed_vars_3): New function.
5442 (emit_notes_for_changes): Traverse changed_vars to call
5443 check_changed_vars_3 on each changed var.
5444 (emit_notes_for_differences_1): Clear cur_loc_changed and
5445 in_changed_variables. Recompute cur_loc of new_var.
5446 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5447 (vt_emit_notes): Initialize and destroy emitted_notes.
5449 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5451 PR rtl-optimization/42220
5452 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5453 Use verify_reg_tracked to determine if we should use OP_OUT rather
5454 than OP_INOUT.
5455 (build_def_use): If we see an in-out operand for a register that we
5456 know nothing about, treat is an output if possible, fail the block if
5457 not.
5459 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5461 PR debug/42897
5462 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5463 permanently.
5465 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5467 PR debug/42897
5468 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5469 uses of relevant DEFs that are dead outside the loop too.
5471 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5473 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5474 Reverted:
5475 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5476 PR debug/41371
5477 * var-tracking.c (values_to_unmark): New variable.
5478 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5479 values_to_unmark vector. Moved body to...
5480 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5481 instead queue it into values_to_unmark vector.
5482 (vt_find_locations): Free values_to_unmark vector.
5484 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5486 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5487 (site.exp): Export them when plugins are enabled.
5489 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5491 PR middle-end/42326
5492 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5493 that contain scevs.
5494 (chrec_fold_multiply): Same.
5496 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5498 PR c/43248
5499 * c-decl.c (build_compound_literal): Return early if init is
5500 an error_mark_node.
5502 2010-03-04 Martin Jambor <mjambor@suse.cz>
5504 PR tree-optimization/43164
5505 PR tree-optimization/43191
5506 * tree-sra.c (type_consists_of_records_p): Reject records with
5507 zero-size bit-fields at the end.
5509 2010-03-04 Mike Stump <mikestump@comcast.net>
5511 * Makefile.in (TAGS): Remove *.y.
5513 2010-03-04 Richard Guenther <rguenther@suse.de>
5515 PR tree-optimization/40761
5516 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5517 in reverse order.
5518 (my_rev_post_order_compute): New function.
5519 (init_pre): Call it.
5521 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5523 PR middle-end/43209
5524 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5525 decrease the cost of an IV candidate when the cost is infinite.
5527 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5529 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5530 Use '3DNow!' for the extension of that name, ensure normal space
5531 after the string.
5532 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5534 2010-03-03 Jeff Law <law@redhat.com>
5536 * PR middle-end/32693
5537 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5538 than gen_rtx_SUBREG.
5539 (extract_bit_field_1): Likewise.
5541 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5543 * doc/sourcebuild.texi (Test directives): Document that arguments
5544 include-opts and exclude-opts are now optional for dg-skip-if,
5545 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5547 2010-03-03 Jason Merrill <jason@redhat.com>
5549 PR c++/12909
5550 * cgraph.h (varpool_node): Add extra_name field.
5551 * varpool.c (varpool_extra_name_alias): New.
5552 (varpool_assemble_decl): Emit extra name aliases.
5553 (varpool_mark_needed_node): Look past an extra name alias.
5554 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5555 * lto-streamer-in.c (lto_input_tree): Read it.
5556 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5558 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5560 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5561 (sparc*-*-solaris2*): ...this.
5563 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5565 PR debug/43229
5566 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5567 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5568 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5569 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5571 PR debug/43237
5572 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5573 fallthrough to default handling, just with want_address 0 instead of 2.
5574 For single element lists, add_AT_loc directly, otherwise create an
5575 artificial variable DIE and stick location list to it.
5577 PR debug/43177
5578 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5579 (VAL_EXPR_HAS_REVERSE): Define.
5580 (reverse_op): New function.
5581 (add_stores): For reversible operations add an extra MO_VAL_USE.
5583 2010-03-02 Jason Merrill <jason@redhat.com>
5585 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5587 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5589 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5590 (sparc64-*-linux*): Likewise.
5591 (sparc64-*-solaris2*): Include assembler files before linker ones.
5592 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5593 * config/sparc/gas.h: Delete.
5594 * config/sparc/sol2-64.h: Add copyright notice.
5595 * config/sparc/sol2-gas-bi.h: Likewise.
5596 * config/sparc/sol2-gld.h: Likewise.
5597 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5598 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5599 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5600 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5601 (sparc_elf_asm_named_section): Rename into...
5602 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5604 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5606 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5608 2010-03-02 Jeff Law <law@redhat.com>
5610 PR middle-end/42431
5611 * reload1.c (rtx_p, substitute_stack): Declare.
5612 (substitute): Record addresses of changed rtxs.
5613 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5614 Restore the original rtx when complete.
5615 (reload): Free subsitute_stack when complete.
5617 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5619 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5620 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5621 new chapter.
5622 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5623 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5624 Torture Tests): Change from subsection to section.
5626 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5627 Steven Bosscher <steven@gcc.gnu.org>
5629 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5630 instead of bb.
5632 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5634 PR middle-end/42640
5635 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5636 the assignment from the new induction variable to the assignment
5637 of the value from the original loop PHI function.
5639 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5640 Daniel Jacobowitz <dan@codesourcery.com>
5642 * doc/sourcebuild.texi (Test directives): Clarify options to
5643 dg-skip-if.
5645 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5647 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5648 Disable cfi directives unless GCC and gas agree on using read-only
5649 .eh_frame sections for 64-bit.
5650 * configure: Regenerate.
5652 2010-03-01 Richard Guenther <rguenther@suse.de>
5654 PR tree-optimization/43220
5655 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5656 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5658 2010-03-01 Richard Guenther <rguenther@suse.de>
5659 Martin Jambor <mjambor@suse.cz>
5661 PR middle-end/41250
5662 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5663 gimplified parameters.
5665 2010-03-01 Christian Bruel <christian.bruel@st.com>
5667 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5669 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5671 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5673 2010-03-01 Richard Guenther <rguenther@suse.de>
5675 PR middle-end/43213
5676 * expr.c (expand_assignment): Use the alias-oracle to tell
5677 if the rhs aliases the result decl.
5679 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5681 PR pch/14940
5682 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5683 to sol_gt_pch_get_address.
5684 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5685 64-bit, SPARC and x86.
5686 (sol_gt_pch_get_address): New function.
5688 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5690 * toplev.h (inform_n, error_n): Declare.
5691 * diagnostic.c (inform_n, error_n): New function.
5693 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5695 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5696 has no rtl yet when processing local_decls, queue it and recheck
5697 if deferred stack allocation hasn't assigned it rtl.
5699 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5701 * config/sh/sh.c (unspec_bbr_uid): New.
5702 (gen_block_redirect): Use it instead of INSN_UID.
5703 (gen_far_branch): Likewise.
5705 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5707 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5708 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5710 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5712 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5713 (Warning Options): -Wno-conversion-null is valid for
5714 Objective-C++ as well.
5715 * doc/tm.texi (Named Address Spaces): Likewise.
5716 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5717 * doc/tree-ssa.texi (Tree SSA): Likewise.
5719 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5721 PR bootstrap/43202
5722 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5723 by default. Don't set the default arch for
5724 i[34567]86-*-darwin*|x86_64-*-darwin*.
5726 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5728 PR bootstrap/43202
5729 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5730 default. Set the default 32bit/64bit archs with $with_arch
5731 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5733 2010-02-27 Richard Guenther <rguenther@suse.de>
5735 PR tree-optimization/43186
5736 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5737 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5738 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5739 unroller iterations.
5741 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5743 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5744 required and i[34567]86-*-* targets don't support 64bit ISA.
5746 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5748 PR ada/43096
5749 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5750 the same alias set.
5752 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5754 * config.gcc: Set the default arch at least to Prescott for
5755 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5756 if SSE math is enabled.
5758 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5760 * diagnostic.c (diagnostic_initialize): Update.
5761 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5762 informative notes.
5763 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5764 (diagnostic_inhibit_notes): New.
5765 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5767 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5769 PR c/20631
5770 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5771 * doc/standards.texi: Likewise.
5772 * doc/extend.texi: Likewise.
5773 * doc/trouble.texi: Likewise.
5774 * doc/cppopts.texi: Likewise.
5775 * doc/install.texi: Likewise.
5776 * c.opt (std=c90,std=gnu90): New options.
5777 * c-opts.c (c_common_handle_option): Handle them.
5779 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5781 PR c/24577
5782 * c-decl.c (undeclared_variable): Use an informative note.
5784 2010-02-26 Richard Guenther <rguenther@suse.de>
5786 PR tree-optimization/43186
5787 * gimple.h (gimple_fold): Remove.
5788 * gimple.c (gimple_fold): Remove. Inline into single user ...
5789 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5790 Try harder for conditions.
5792 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5794 PR debug/43190
5795 * function.c (used_types_insert): Don't skip through named pointer
5796 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5797 and it is different from the main variant's type.
5799 2010-02-26 Nick Clifton <nickc@redhat.com>
5801 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5803 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5805 * config.gcc: Support --with-fpmath=sse for x86.
5807 * config/i386/ssemath.h: New.
5809 * doc/install.texi (--with-fpmath=sse): Documented.
5811 2010-02-26 Richard Guenther <rguenther@suse.de>
5813 PR tree-optimization/43188
5814 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5815 vector types of over-aligned element type.
5817 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5819 PR target/43175
5820 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5821 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5823 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5825 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5827 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5829 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5830 * var-tracking.c: Include diagnostic.h.
5831 (debug_dv): New function.
5832 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5834 PR debug/43160
5835 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5836 (add_value_chain, add_value_chains, remove_value_chain,
5837 remove_value_chains): Handle DEBUG_EXPRs.
5838 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5840 PR debug/43161
5841 * regcprop.c (struct queued_debug_insn_change): New type.
5842 (struct value_data_entry): Add debug_insn_changes field.
5843 (struct value_data): Add n_debug_insn_changes field.
5844 (debug_insn_changes_pool): New variable.
5845 (free_debug_insn_changes, apply_debug_insn_changes,
5846 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5847 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5848 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5849 fields.
5850 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5851 changes for them.
5852 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5853 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5854 changes, call cprop_find_used_regs via note_stores.
5855 (copyprop_hardreg_forward): When copying vd from predecessor
5856 which has any queued DEBUG_INSN changes, make sure the pointers are
5857 cleared. At the end call df_analyze and then if there are any
5858 DEBUG_INSN changes queued at the end of some basic block for still
5859 live registers, apply them.
5860 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5862 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5864 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5865 (arm*-*-*): Ditto.
5867 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5869 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5870 targets. Set the default with_cpu/with_arch from arch/cpu.
5871 Allow x86-64 and native for with_cpu/with_arch.
5873 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5875 * ebitmap.c: Change calls to verify_popcount with calls to
5876 sbitmap_verify_popcount.
5877 (ebitmap_clear_bit): Fixed map->cacheindex test and
5878 map>cache update when bit clearing results in an empty
5879 element.
5881 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5883 PR target/43154
5884 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5885 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5886 and support both V2DF and V2DI modes.
5887 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5888 support both V2DF and V2DI modes.
5889 (general): Delete trailing whitespace from a few patterns.
5891 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5892 V2DF/V2DI interleave high/low builtins.
5894 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5895 new VSX builtins.
5897 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5898 interleave high/low functions.
5900 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5902 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5903 #pragma extern_prefix.
5905 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5907 PR debug/43166
5908 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5909 BLKmode, assert op0 is a MEM and just adjust its mode.
5911 PR debug/43165
5912 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5913 if bitpos isn't multiple of mode's bitsize.
5915 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5917 * c.opt (-ftemplate-depth=): New.
5918 (-ftemplate-depth-): Deprecate.
5919 * optc-gen.awk: Handle -ftemplate-depth=.
5920 * opth-gen.awk: Likewise.
5921 * c-opts.c (c_common_handle_option): Likewise.
5922 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5924 2010-02-24 Jason Merrill <jason@redhat.com>
5926 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5928 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5930 * cfg.c (alloc_aux_for_block): Remove inline.
5931 (alloc_aux_for_edge): Likewise.
5933 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5935 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5937 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5939 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5940 * config/i386/sol2-gas.h: New file.
5941 * config.gcc (i[34567]86-*-solaris2*): Use it.
5943 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5945 PR c/43128
5946 * c-typeck.c (ep_convert_and_check): New.
5947 (build_conditional_expr): Use it.
5948 (build_binary_op): Likewise.
5950 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5952 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5954 PR debug/43150
5955 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5956 bounds even for -O+.
5957 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5958 expr needs to have DECL_NAME set.
5960 2010-02-24 Nick Clifton <nickc@redhat.com>
5962 * config/mep/mep.c: Include gimple.h.
5963 (mep_function_uses_sp): Delete unused function.
5964 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5965 parameters. Use unsigned integers to count args. Return a
5966 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5968 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5970 PR target/43107
5971 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5972 greater or equal to nelt instead of 2 * nelt.
5973 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5974 with nelt - 1.
5976 2010-02-23 Jason Merrill <jason@redhat.com>
5978 PR debug/42800
5979 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5980 in cfun->local_decls even if they have register types.
5982 PR c++/42837
5983 * stor-layout.c (place_field): Don't warn about unnecessary
5984 DECL_PACKED if the type is packed.
5986 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5988 PR target/43139
5989 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5990 GOTOFF relocs, even when the base reg isn't pic pointer.
5992 2010-02-23 Michael Matz <matz@suse.de>
5994 PR debug/43077
5995 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5996 (expand_gimple_basic_block): Generate and use debug temps if there
5997 are debug uses left after the last real use of TERed ssa names.
5998 Unlink debug immediate uses when they are expanded.
6000 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
6002 PR 43123
6003 * config/i386/i386.c (override_options): Reorganise to provide
6004 better error messages.
6006 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6008 PR middle-end/43083
6009 * graphite-scop-detection.c (create_single_exit_edge): Move
6010 the call to find_single_exit_edge to....
6011 (create_sese_edges): ...here. Don't handle multiple edges
6012 exiting the function.
6013 (build_graphite_scops): Don't handle multiple edges
6014 exiting the function.
6016 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6018 PR middle-end/43097
6019 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
6020 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
6022 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6024 PR middle-end/43026
6025 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
6027 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
6029 PR c++/43126
6030 * c-typeck.c (convert_arguments): Print declaration location.
6031 * c-common.c (validate_nargs): Rename as
6032 builtin_function_validate_nargs.
6033 (check_builtin_function_arguments): Update.
6035 2010-02-22 Richard Guenther <rguenther@suse.de>
6037 PR lto/43045
6038 * tree-inline.c (declare_return_variable): Use the type of
6039 the call stmt lhs if available.
6041 2010-02-22 Duncan Sands <baldrick@free.fr>
6043 * passes.c (register_pass): Always consider all pass lists when
6044 ref_pass_instance_number is zero.
6046 2010-02-22 Richard Guenther <rguenther@suse.de>
6048 PR tree-optimization/42749
6049 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
6050 parameter. Do arithmetic in the original type.
6051 (update_accumulator_with_ops): Likewise.
6052 (adjust_accumulator_values): Adjust.
6054 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6056 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
6057 (QI to BLKmode splitter): New splitter.
6059 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
6061 * config/i386/i386.c (initial_ix86_tune_features): Turn on
6062 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
6064 2010-02-22 Richard Guenther <rguenther@suse.de>
6066 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
6068 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
6070 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
6071 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
6072 ($(T)crti.o, $(T)crtn.o): Remove rules.
6074 2010-02-21 Tobias Burnus <burnus@net-b.de>
6076 PR fortran/35259
6077 * doc/invoke.texi (-fassociative-math): Document that this
6078 option is automatically enabled for Fortran.
6080 2010-02-20 David S. Miller <davem@davemloft.net>
6082 * configure.ac: Test if linker and assembler properly support
6083 GOTDATA_OP relocations.
6084 * configure: Rebuild.
6085 * config.in: Likewise.
6086 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
6087 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
6088 (movsi_high_pic): Likewise.
6089 (movdi_lo_sum_pic): Likewise.
6090 (movdi_high_pic): Likewise.
6091 (movsi_pic_gotdata_op): New pattern.
6092 (movdi_pic_gotdata_op): Likewise.
6093 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
6094 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
6096 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
6098 PR target/43067
6099 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
6100 attribute to ssemul.
6101 (xop_mulv2div2di3_high): Ditto.
6103 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6105 PR c++/35669
6106 * c.opt (Wconversion-null): New option.
6107 * doc/invoke.texi (Wconversion-null): Document.
6109 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6111 * common.opt (Wlarger-than-): Add Undocumented.
6113 2010-02-19 Mike Stump <mikestump@comcast.net>
6115 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
6117 2010-02-19 Jason Merrill <jason@redhat.com>
6119 PR target/40332
6120 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
6121 * configure: Likewise.
6123 2010-02-20 Alan Modra <amodra@gmail.com>
6125 PR middle-end/42344
6126 * cgraph.h (cgraph_make_decl_local): Declare.
6127 * cgraph.c (cgraph_make_decl_local): New function.
6128 (cgraph_make_node_local): Use it.
6129 * cgraphunit.c (cgraph_function_versioning): Likewise.
6130 * ipa.c (function_and_variable_visibility): Likewise.
6132 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6134 PR bootstrap/43121
6135 * except.c (sjlj_emit_function_enter): Don't call
6136 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6137 directly.
6138 * rtl.h (add_reg_br_prob_note): Remove prototype.
6140 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6142 PR 41779
6143 * c-common.c (conversion_warning): Remove widening conversions
6144 before checking the conversion of integers to reals.
6146 2010-02-19 Mike Stump <mikestump@comcast.net>
6148 PR middle-end/43125
6149 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6151 PR objc/43061
6152 * cgraphunit.c (process_function_and_variable_attributes): Check
6153 DECL_PRESERVE_P instead of looking up attribute "used".
6154 * ipa-pure-const.c (check_decl): Likewise.
6155 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6156 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6157 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6158 instead of attribute "used".
6159 * config/sol2-c.c (solaris_pragma_init): Likewise.
6160 (solaris_pragma_fini): Likewise.
6162 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6164 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6165 Use XCNEW instead of xcalloc.
6166 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6167 XNEW instead of xmalloc.
6168 (get_fields): Use XNEWVEC instead of xmalloc.
6170 PR debug/43084
6171 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6172 populate vars array.
6173 (create_new_general_access): For debug stmts just reset value.
6174 (get_stmt_accesses): For accesses within debug stmts just record them
6175 using add_access_to_acc_sites instead of preventing the peeling or
6176 counting them as accesses.
6178 PR middle-end/42233
6179 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6181 2010-02-19 Richard Guenther <rguenther@suse.de>
6183 PR tree-optimization/42916
6184 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6185 instructions.
6187 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6189 * configure.ac: Replace all uses of changequote in macro arguments
6190 with proper quoting.
6192 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6194 PR middle-end/42233
6195 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6197 2010-02-19 Richard Guenther <rguenther@suse.de>
6199 PR tree-optimization/42944
6200 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6201 test for aliasing with errno.
6203 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6205 PR middle-end/42233
6206 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6207 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6208 * dojump.c: Include output.h.
6209 (inv): New inline function.
6210 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6211 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6212 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6213 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6214 argument, pass it down to other calls.
6215 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6216 add REG_BR_PROB note to the conditional jump.
6217 * cfgexpand.c (add_reg_br_prob_note): Removed.
6218 (expand_gimple_cond): Don't call it, add the probability
6219 as last argument to jumpif_1/jumpifnot_1.
6220 * Makefile.in (dojump.o): Depend on output.h.
6221 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6222 callers.
6223 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6224 * stmt.c (do_jump_if_equal): Likewise.
6225 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6226 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6227 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6228 Likewise.
6229 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6230 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6231 jumpifnot_1 callers.
6232 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6233 callers.
6234 (store_expr): Adjust jumpifnot caller.
6235 (store_constructor): Adjust jumpif caller.
6237 PR middle-end/42233
6238 * gimplify.c (gimple_boolify): For __builtin_expect call
6239 gimple_boolify also on its first argument.
6241 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6243 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6244 changequote block.
6245 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6246 * configure: Regenerated.
6248 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6250 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6251 lang_hooks.types_compatible_p instead of comptypes.
6253 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6255 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6256 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6257 if __prefer_thumb__ is defined.
6259 2010-02-18 Martin Jambor <mjambor@suse.cz>
6261 PR tree-optimization/43066
6262 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6263 array with zero-sized element type.
6265 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6267 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6268 rtx, allocate struct var_loc_node here and return it to the
6269 caller, and only if it is actually needed.
6270 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6271 move it earlier and return immediately if it returns NULL.
6273 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6275 * config/sparc/gas.h: New file. Restore
6276 TARGET_ASM_NAMED_SECTION to its ELF default.
6277 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6278 check !HAVE_GNU_AS.
6279 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6280 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6281 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6282 after sparc/sysv4.h.
6284 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6286 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6288 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6290 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6291 patterns from predicated pattern.
6293 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6295 PR target/43103
6296 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6297 for insn mnemonic suffix.
6299 2010-02-17 Richard Guenther <rguenther@suse.de>
6301 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6302 to loop PHI nodes.
6304 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6306 PR debug/42918
6307 * caller-save.c (save_call_clobbered_regs): If BB ends with
6308 a DEBUG_INSN, move any notes in between last real insn and the last
6309 DEBUG_INSN after the last DEBUG_INSN.
6311 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6313 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6314 Fix return type. Fix argument type. Explain meaning of return value.
6316 2010-02-16 Richard Guenther <rguenther@suse.de>
6318 PR tree-optimization/41043
6319 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6320 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6321 statements ...
6322 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6324 2010-02-16 Ira Rosen <irar@il.ibm.com>
6326 PR tree-optimization/43074
6327 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6328 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6329 vectorizable cycles in hybrid SLP check.
6330 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6332 2010-02-16 Richard Guenther <rguenther@suse.de>
6334 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6335 (true_dependence): If memrefs_conflict_p computes must-alias
6336 trust it. Move TBAA check after offset-based disambiguation.
6337 (canon_true_dependence): Likewise.
6339 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6341 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6342 * doc/invoke.texi: Document it.
6343 * var-tracking.c: Include toplev.h and params.h.
6344 (vt_find_locations): Return bool indicating success. Compute
6345 hash sizes unconditionally. Check new parameter, report.
6346 (variable_tracking_main_1): Check vt_find_locations results and
6347 retry. Renamed from...
6348 (variable_tracking_main): ... this. New wrapper to preserve
6349 flag_var_tracking_assignments.
6350 * Makefile.in (var-tracking.o): Adjust dependencies.
6352 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6353 Jakub Jelinek <jakub@redhat.com>
6355 PR target/42854
6356 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6357 if weak_import attribute is present.
6358 * config/darwin.c (machopic_select_section): Likewise.
6360 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6362 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6363 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6364 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6365 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6367 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6368 types.
6370 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6371 Fix argument types.
6373 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6374 Rewrite text to refer to the names.
6376 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6378 * config/i386/i386-builtin-types.def
6379 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6380 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6381 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6382 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6383 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6384 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6385 IX86_BUILTIN_VPERMIL2PS256.
6386 (MULTI_ARG_4_DF2_DI_I): Defined.
6387 (MULTI_ARG_4_DF2_DI_I1): Defined.
6388 (MULTI_ARG_4_SF2_SI_I): Defined.
6389 (MULTI_ARG_4_SF2_SI_I1): Defined.
6390 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6391 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6392 __builtin_ia32_vpermil2ps256.
6393 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6394 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6395 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6396 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6397 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6398 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6399 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6400 CODE_FOR_xop_vpermil2v8sf3.
6401 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6402 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6403 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6404 (_mm256_permute2_pd): New.
6405 (_mm_permute2_ps): New.
6406 (_mm256_permute2_ps): New.
6408 2010-02-15 Nick Clifton <nickc@redhat.com>
6410 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6411 boolean parameters. Use emit_jump_insn when emitting a pop
6412 instruction containing a return insn.
6413 (push): Use 'true' rather than '1' as second parameter to F.
6414 (h8300_expand_prologue): Likewise.
6415 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6416 (h8300_expand_epilogue): Likewise.
6418 2010-02-15 Richard Guenther <rguenther@suse.de>
6420 PR middle-end/43068
6421 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6422 if that is zero.
6424 2010-02-15 Nick Clifton <nickc@redhat.com>
6426 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6427 delta.
6429 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6431 * intl.c (fake_ngettext): New function.
6432 * intl.h (fake_ngettext): Declare.
6433 (ngettext): Define macro.
6434 * collect2.c (notice_translated): New function.
6435 (main): Use notice_translated and ngettext.
6436 * collect2.h (notice_translated): Declare.
6438 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6440 * reorg.c (delete_computation): Comment fixes.
6441 * caller-save.c (setup_save_areas): Idem.
6442 * sel-sched-dump.c (dump_lv_set): Idem.
6443 * rtl.def: Idem.
6445 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6447 * config/s390/s390.c (s390_sched_init): New function.
6448 (TARGET_SCHED_INIT): Target hook defined.
6450 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6451 Jack Howarth <howarth@bromo.med.uc.edu>
6452 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6454 PR target/42982
6455 Partial revert of unintended change in fix for PR41605.
6456 * config/darwin.h: Fix typo.
6457 * config/darwin9.h: Same.
6459 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6461 * c-pch.c (pch_init): Clear v.
6463 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6465 PR middle-end/42930
6466 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6467 graphite_can_represent_init for MULT_EXPR.
6469 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6471 PR middle-end/42914
6472 PR middle-end/42530
6473 * graphite-sese-to-poly.c (remove_phi): New.
6474 (translate_scalar_reduction_to_array): Call remove_phi.
6476 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6478 PR middle-end/42771
6479 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6480 * graphite-clast-to-gimple.h (gloog): Update declaration.
6481 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6482 * graphite-poly.h (struct poly_bb): Add missing comments.
6483 (struct scop): Add poly_scop_p field.
6484 (POLY_SCOP_P): New.
6485 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6486 * graphite.c (graphite_transform_loops): Build the polyhedral
6487 representation for each scop before code generation.
6488 * sese.c (rename_variables_in_operand): Removed.
6489 (rename_variables_in_expr): Return the renamed expression.
6490 (rename_sese_parameters): New.
6491 * sese.h (rename_sese_parameters): Declared.
6493 2010-02-11 Richard Guenther <rguenther@suse.de>
6495 PR tree-optimization/42998
6496 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6497 POINTER_PLUS_EXPR properly.
6499 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6500 Changpeng Fang <changpeng.fang@amd.com>
6502 PR middle-end/40886
6503 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6504 the cost of an IV candidate when the IV is used in a test against zero.
6506 * gcc.dg/tree-ssa/ivopts-3.c: New.
6508 2010-02-11 Richard Guenther <rguenther@suse.de>
6510 PR lto/41664
6511 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6512 pointer-vs-decl case by swapping refs. Handle some cases
6513 of pointer-vs-decl disambiguations more conservatively.
6514 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6515 to false after expanding.
6517 2010-02-11 Richard Guenther <rguenther@suse.de>
6519 PR driver/43021
6520 * gcc.c (process_command): Handle LTO file@offset case more
6521 appropriately.
6523 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6525 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6526 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6527 of DEBUG_INSNs.
6528 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6530 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6531 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6532 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6533 Optimize eq/ne comparisons when both arguments are known to be
6534 zero-extended.
6535 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6536 Don't mask operands unnecessarily if they are known to be already
6537 zero-extended.
6539 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6541 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6542 instead of loop.
6544 2010-02-10 Richard Guenther <rguenther@suse.de>
6546 PR tree-optimization/43017
6547 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6548 for wrapping signed arithmetic.
6550 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6552 PR debug/43010
6553 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6554 if no debug info should be emitted for it.
6556 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6558 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6559 note when flag_exceptions is set.
6561 2010-02-10 Duncan Sands <baldrick@free.fr>
6563 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6565 2010-02-10 Richard Guenther <rguenther@suse.de>
6567 PR c/43007
6568 * tree.c (get_unwidened): Handle constants.
6569 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6571 2010-02-10 Martin Jambor <mjambor@suse.cz>
6573 PR lto/42985
6574 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6575 check for variable argument counts independently.
6577 2010-02-10 Christian Bruel <christian.bruel@st.com>
6579 PR target/42841
6580 * config/sh/sh.c (find_barrier): Increase length for non delayed
6581 conditional branches.
6583 2010-02-10 Christian Bruel <christian.bruel@st.com>
6585 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6587 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6589 * builtins.c (set_builtin_user_assembler_name): Also handle
6590 ffs if int is smaller than word.
6592 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6594 PR middle-end/42973
6595 * ira-conflicts.c (get_dup): Remove.
6596 (process_reg_shuffles): Add new parameter. Use it as an
6597 additional guard for copy generation.
6598 (add_insn_allocno_copies): Rewrite.
6600 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6602 * common.opt (fsched2-use-traces): Preserved for backward
6603 compatibility.
6604 * doc/invoke.texi: Remove the documentation about option
6605 -fsched2-use-traces.
6606 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6607 flag_sched2_use_traces.
6608 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6609 the backward compatibility flag section.
6611 2010-02-09 Richard Guenther <rguenther@suse.de>
6613 PR tree-optimization/43008
6614 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6615 make HEAP variables initialized from global memory if they
6616 are not known builtin functions.
6617 (find_func_aliases): Adjust.
6619 2010-02-09 Richard Guenther <rguenther@suse.de>
6621 PR tree-optimization/43000
6622 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6623 arithmetic manually.
6625 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6627 PR tree-optimization/42931
6628 * tree-loop-linear.c (try_interchange_loops): Don't call
6629 double_int_mul if estimated_loop_iterations failed.
6631 2010-02-08 Martin Jambor <mjambor@suse.cz>
6633 PR middle-end/42898
6634 * tree-sra.c (build_accesses_from_assign): Do not mark in
6635 should_scalarize_away_bitmap if stmt has volatile ops.
6636 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6637 has volatile ops.
6639 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6641 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6643 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6645 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6646 before the pattern.
6648 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6650 PR middle-end/42946
6651 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6653 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6655 PR middle-end/42988
6656 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6657 to unknown_dependence.
6658 (graphite_legal_transform_dr): Handle the unknown_dependence.
6659 (graphite_carried_dependence_level_k): Same.
6661 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6663 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6665 2010-02-07 Richard Guenther <rguenther@suse.de>
6667 PR middle-end/42991
6668 * expr.c (get_inner_reference): Always initialize *pbitsize.
6670 2010-02-07 Richard Guenther <rguenther@suse.de>
6672 PR middle-end/42956
6673 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6674 new ARRAY_REFs on variable size element or minimal index arrays.
6675 Complete.
6676 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6677 gimple_fold_indirect_ref.
6679 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6681 PR target/42957
6682 * arm.c (arm_override_options): Just return if the user has specified
6683 an invalid fpu name.
6685 2010-02-03 Jason Merrill <jason@redhat.com>
6687 PR c++/42870
6688 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6689 i386_pe_maybe_record_exported_symbol.
6691 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6693 PR target/42924
6694 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6695 (pa_delegitimize_address): New function.
6697 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6699 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6700 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6702 2010-02-05 Richard Guenther <rguenther@suse.de>
6704 PR lto/42762
6705 * lto-streamer-in.c (get_resolution): Deal with references
6706 to undefined functions.
6708 2010-02-05 Richard Guenther <rguenther@suse.de>
6710 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6711 (fold_const_aggregate_ref): Likewise.
6712 (ccp_fold_stmt): Substitute loads.
6713 (maybe_fold_reference): Verify types before substituting.
6714 Unshare properly.
6715 (fold_gimple_assign): Unshare properly.
6716 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6718 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6720 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6721 for rs6000_gen_cell_microcode.
6723 2010-02-04 Richard Guenther <rguenther@suse.de>
6725 PR rtl-optimization/42952
6726 * dse.c (const_or_frame_p): Remove MEM handling.
6728 2010-02-04 Nick Clifton <nickc@redhat.com>
6730 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6731 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6732 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6733 (mn10300_asm_output_mi_thunk): New function.
6734 (mn10300_can_output_mu_thunk): New function.
6735 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6736 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6737 (FUNCTION_ARG): Delete incorrect comment.
6739 2010-02-03 Jason Merrill <jason@redhat.com>
6741 PR c++/40138
6742 * fold-const.c (operand_equal_p): Handle erroneous types.
6744 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6746 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6748 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6750 PR rtl-optimization/42941
6751 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6752 of xmalloc.
6754 2010-02-03 Jason Merrill <jason@redhat.com>
6756 PR c++/35652
6757 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6759 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6761 PR debug/42896
6762 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6763 (cselib_reset_table): Renamed from...
6764 (cselib_reset_table_with_next_value): ... this.
6765 (cselib_get_next_uid): Renamed from...
6766 (cselib_get_next_unknown_value): ... this.
6767 * cselib.c (next_uid): Renamed from...
6768 (next_unknown_value): ... this.
6769 (cselib_clear_table): Adjust.
6770 (cselib_reset_table): Adjust. Renamed from...
6771 (cselib_reset_table_with_next_value): ... this.
6772 (cselib_get_next_uid): Adjust. Renamed from...
6773 (cselib_get_next_unknown_value): ... this.
6774 (get_value_hash): Use hash.
6775 (cselib_hash_rtx): Likewise.
6776 (new_cselib_val): Adjust. Set and dump uid.
6777 (cselib_lookup_mem): Pass next_uid as hash.
6778 (cselib_subst_to_values): Likewise.
6779 (cselib_log_lookup): Dump uid.
6780 (cselib_lookup): Pass next_uid as hash. Adjust.
6781 (cselib_process_insn): Adjust.
6782 (cselib_init): Initialize next_uid.
6783 (cselib_finish): Adjust.
6784 (dump_cselib_table): Likewise.
6785 * dse.c (canon_address): Dump value uid.
6786 * print-rtl.c (print_rtx): Print value uid.
6787 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6788 (dvuid): New type.
6789 (dv_uid): New function, sort of renamed from...
6790 (dv_htab_hash): ... this, reimplemented in terms of it and...
6791 (dv_uid2hash): ... this. New.
6792 (variable_htab_eq): Drop excess assertions.
6793 (tie_break_pointers): Removed.
6794 (canon_value_cmp): Compare uids.
6795 (variable_post_merge_New_vals): Print uids.
6796 (vt_add_function_parameters): Adjust.
6797 (vt_initialize): Reset table. Adjust.
6799 2010-02-03 Richard Guenther <rguenther@suse.de>
6801 PR tree-optimization/42944
6802 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6803 (call_may_clobber_ref_p_1): Likewise. Properly handle
6804 malloc and calloc clobbering errno.
6806 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6808 * doc/invoke.texi: Fix name of sched1 dump.
6810 * opts.c (decode_options): Set flag_tree_switch_conversion
6811 only conditionally on optimize >= 2.
6813 * gcse.c: Assorted comment fixes in pass description.
6815 2010-02-03 Anthony Green <green@moxielogic.com>
6817 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6818 nop padding in order to maintain alignment of storage location of
6819 target function address.
6820 (moxie_trampoline_init): Store target function address at newly
6821 aligned location.
6822 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6823 to 32.
6824 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6826 2010-02-03 Richard Guenther <rguenther@suse.de>
6828 PR middle-end/42927
6829 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6831 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6833 * config.gcc: Reenable check for obsolete targets.
6834 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6835 mips-sgi-irix6.[0-4]*.
6837 2010-02-02 Nick Clifton <nickc@redhat.com>
6839 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6840 constant size of 4 as being the same as 0.
6841 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6842 can take values in the range 0..4.
6844 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6846 PR java/41991
6847 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6848 as _darwin10_Unwind_FindEnclosingFunction().
6849 * libgcc-libsystem.ver: New.
6851 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6853 PR target/41399
6854 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6855 implicitly set registers.
6857 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6859 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6860 (arm_override_options): Allow automatic selection of the thread
6861 pointer register if thumb2.
6862 (legitimize_pic_address): Improve code sequences for Thumb2.
6863 (arm_call_tls_get_addr): Likewise.
6864 (legitimize_tls_address): Likewise.
6865 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6866 (pic_load_addr_32bit): ... this. New named pattern.
6867 * thumb2.md (pic_load_addr_thumb2): Delete.
6868 (pic_load_dot_plus_four): Delete.
6869 (tls_load_dot_plus_four): New named pattern.
6871 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6873 PR libgomp/29986
6874 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6875 Document fix for TLS bug.
6877 2010-01-31 Richard Guenther <rguenther@suse.de>
6879 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6880 conservatively correct.
6882 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6884 PR target/42850
6885 Revert:
6886 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6888 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6890 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6892 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6894 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6896 * config.gcc: Adjust order of makefile fragments for mingw targets.
6898 2010-01-31 Richard Guenther <rguenther@suse.de>
6900 PR middle-end/42898
6901 * gimplify.c (gimplify_init_constructor): For volatile LHS
6902 initialize a temporary.
6904 2010-01-31 Matthias Klose <doko@ubuntu.com>
6906 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6907 --with-headers
6908 * configure: Regenerate.
6910 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6912 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6913 the same alias set and their sizes different constantness.
6914 (aliasing_component_refs_p): Revert 2009-10-24 change.
6916 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6918 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6919 unused.
6921 2010-01-29 Richard Guenther <rguenther@suse.de>
6923 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6924 Assert we successfully updated the call.
6926 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6928 PR rtl-optimization/42889
6929 * df.h (df_set_bb_dirty_nonlr): New prototype.
6930 * df-core.c (df_set_bb_dirty_nonlr): New function.
6931 * df-scan.c (df_insn_rescan): Call it instead of
6932 df_set_bb_dirty for DEBUG_INSNs.
6934 2010-01-29 Richard Guenther <rguenther@suse.de>
6936 PR middle-end/37448
6937 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6938 quadratic behavior in most cases.
6940 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6942 PR target/42891
6943 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6944 in the call to gen_x86_movsicc_0_m1.
6946 2010-01-28 Richard Guenther <rguenther@suse.de>
6948 PR tree-optimization/42871
6949 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6951 2010-01-28 Richard Guenther <rguenther@suse.de>
6953 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6954 into call arguments.
6956 2010-01-28 Richard Guenther <rguenther@suse.de>
6958 PR middle-end/42883
6959 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6960 the forwarder if the destination is an EH landing pad.
6962 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6964 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6965 block list passed to gimple_duplicate_sese_tail.
6966 (parallelize_loops): Avoid parallelization when the function
6967 has_nonlocal_label.
6968 Avoid parallelization when the preheader is IRREDUCIBLE.
6969 Try to optimize when estimated_loop_iterations_int is unresolved.
6970 Add the loop's location to the dump file.
6971 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6972 (gimple_duplicate_sese_tail): Remove the check for the latch.
6973 Redirect nexits to the exit block.
6974 Remove handling of the incoming edges to the latch.
6975 Redirect the backedge from the copied latch to the exit bb.
6977 2010-01-28 Michael Matz <matz@suse.de>
6979 PR target/42881
6980 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6981 Wrap force_reg into a sequence, emit it before user.
6983 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6985 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6986 (arm_rev): New.
6987 (arm_legacy_rev): Likewise.
6988 (thumb_legacy_rev): Likewise.
6990 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6992 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6993 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6994 on MEM's address failed, try avoid_constant_pool_reference and
6995 recurse if it returned something different.
6996 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6997 address, try avoid_constant_pool_reference and recurse if it
6998 returned something different.
6999 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
7000 address and avoid_constant_pool_reference returned something
7001 different, don't set have_address.
7003 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
7005 PR debug/42861
7006 * var-tracking.c (val_store): Add modified argument, obey it.
7007 Adjust callers.
7008 (count_uses): Move down logging of main.
7009 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
7010 don't need resolution.
7011 (emit_notes_in_bb): Likewise.
7013 2010-01-27 Richard Guenther <rguenther@suse.de>
7015 PR middle-end/42878
7016 * tree-inline.c (remap_decl): Delay remapping of SSA name
7017 default definitions until we need them.
7019 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7021 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7022 (rs6000_delegitimize_address): New function.
7024 * config/s390/s390.c (s390_delegitimize_address): Call
7025 delegitimize_mem_from_attrs.
7027 PR middle-end/42874
7028 * tree-inline.c (cannot_copy_type_1): Removed.
7029 (copy_forbidden): Don't forbid copying of functions containing
7030 records/unions with variable length fields.
7032 2010-01-27 Christian Bruel <christian.bruel@st.com>
7034 Revert:
7035 PR target/42841
7036 * config/sh/sh.c (find_barrier): Increase length for non delayed
7037 conditional branches.
7039 2010-01-27 Matthias Klose <doko@ubuntu.com>
7041 * configure.ac (gnu-unique-object): Fix ldd version check.
7042 * configure: Regenerate.
7044 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7046 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
7047 HAVE_GNU_AS value.
7048 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
7049 Test for HAVE_GNU_AS value.
7051 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7053 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
7054 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
7055 INT64_TYPE): Define.
7056 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
7057 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7058 INT_LEAST64_TYPE): Define.
7059 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
7060 UINT_LEAST64_TYPE): Define.
7061 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
7062 INT_FAST64_TYPE): Define.
7063 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7064 UINT_FAST64_TYPE): Define.
7065 (INTMAX_TYPE, UINTMAX_TYPE): Define.
7066 (INTPTR_TYPE, UINTPTR_TYPE): Define.
7067 (SIG_ATOMIC_TYPE): Define.
7069 2010-01-26 Richard Guenther <rguenther@suse.de>
7071 * df-scan.c (df_scan_set_bb_info): Remove assert.
7072 (df_insn_rescan_debug_internal): Merge asserts.
7073 (df_install_ref): Likewise.
7074 (df_mark_reg): Use bitmap_set_range.
7075 (df_hard_reg_used_p): Remove assert.
7076 (df_hard_reg_used_count): Likewise.
7078 2010-01-26 Richard Guenther <rguenther@suse.de>
7080 PR rtl-optimization/42685
7081 * web.c (web_main): Ignore DEBUG_INSNs.
7083 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
7085 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
7087 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
7088 Fix types of fndecl and arglist parameters.
7090 2010-01-26 Richard Guenther <rguenther@suse.de>
7092 PR middle-end/42806
7093 * tree-eh.c (unsplit_eh): Skip debug insns.
7095 2010-01-26 Richard Guenther <rguenther@suse.de>
7097 PR tree-optimization/42250
7098 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
7100 2010-01-26 Jakub Jelinek <jakub@redhat.com>
7102 PR fortran/42866
7103 * omp-low.c (expand_omp_sections): Only use single_pred if
7104 l2_bb is single_pred_p.
7106 2010-01-25 Christian Bruel <christian.bruel@st.com>
7108 PR target/42841
7109 * config/sh/sh.c (find_barrier): Increase length for non delayed
7110 conditional branches.
7111 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
7113 2010-01-24 David S. Miller <davem@davemloft.net>
7115 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
7116 define if not using GAS.
7117 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7118 Likewise. Delete SECTION_MERGE code, which is only applicable
7119 when using GAS.
7121 2010-01-24 Mark Mitchell <mark@codesourcery.com>
7123 PR c++/42748
7124 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
7125 mangling of va_list in system headers.
7127 2010-01-23 Toon Moene <toon@moene.org>
7129 * tree-predcom.c (combine_chains): Return NULL, not false.
7131 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7133 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7134 initialization of variable res to agree with return type.
7136 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7138 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7139 * tree-sra.c: Add include of expr.h.
7141 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7143 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7144 insert the debug stmt on the single non-EH edge from the stmt.
7146 2010-01-22 Richard Henderson <rth@redhat.com>
7148 PR tree-opt/42833
7149 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7150 the RHS until after generate_subtree_copies has insertted its
7151 code before the current statement.
7153 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7155 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7157 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7159 2010-01-21 Martin Jambor <mjambor@suse.cz>
7161 PR tree-optimization/42585
7162 * tree-sra.c (struct access): New field grp_total_scalarization.
7163 (dump_access): Dump the new field.
7164 (should_scalarize_away_bitmap): New variable.
7165 (cannot_scalarize_away_bitmap): Likewise.
7166 (sra_initialize): Allocate new bitmaps.
7167 (sra_deinitialize): Free new bitmaps.
7168 (create_access_1): New function.
7169 (create_access): Parts moved to create_access_1.
7170 (type_consists_of_records_p): New function.
7171 (completely_scalarize_record): Likewise.
7172 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7173 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7174 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7175 access.
7176 (analyze_all_variable_accesses): Completely scalarize small eligible
7177 records.
7179 2010-01-21 Martin Jambor <mjambor@suse.cz>
7181 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7183 2010-01-21 Andrew Haley <aph@redhat.com>
7185 * gcc.c (process_command): Move lang_specific_driver before
7186 setting cc_libexec_prefix.
7188 2010-01-21 Richard Guenther <rguenther@suse.de>
7190 PR middle-end/19988
7191 * fold-const.c (negate_expr_p): Pretend only negative
7192 real constants are easily negatable.
7194 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7195 Jason Merrill <jason@redhat.com>
7197 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7198 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7199 * calls.c (initialize argument_information): Handle it.
7200 * c-common.c (handle_transparent_union_attribute): Use new name.
7201 * c-decl.c (finish_struct): Ditto.
7202 * c-typeck.c (type_lists_compatible_p): Ditto.
7203 (convert_for_assignment): Use new name and also handle record.
7204 * function.c (aggregate_value_p): Handle it.
7205 (pass_by_reference): Ditto.
7206 (assign_parm_data_types): Ditto.
7207 * print-tree.c (print_node): Ditto.
7208 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7209 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7210 * tree.c (first_field): New fn.
7212 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7214 PR target/42818
7215 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7216 even when linking statically, for now.
7218 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7220 PR debug/42715
7221 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7222 without a cselib val.
7223 (count_uses): Accept MO_VAL_SET with no val on stores.
7224 (add_stores): Likewise.
7226 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7228 * var-tracking.c (check_value_val): Add a compile time assertion.
7229 (dv_is_decl_p): Simplify.
7230 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7231 gcc_assert if ENABLE_CHECKING.
7233 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7235 PR debug/42782
7236 * var-tracking.c: Include tree-flow.h.
7237 (mem_dies_at_call): New.
7238 (dataflow_set_preserve_mem_locs): Use it.
7239 (dataflow_set_remove_mem_locs): Likewise.
7240 (dump_var): Renamed from dump_variable. Adjust all callers.
7241 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7242 * Makefile.in (var-tracking.o): Adjust deps.
7244 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7246 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7248 2010-01-20 Richard Guenther <rguenther@suse.de>
7250 PR tree-optimization/42717
7251 * tree-ssa-dce.c (get_live_post_dom): Remove.
7252 (forward_edge_to_pdom): Take an arbitrary edge to copy
7253 degenerate PHI args from.
7254 (remove_dead_stmt): Use the first post-dominator even if it
7255 does not contain live statements as redirection destination.
7257 2010-01-20 Richard Guenther <rguenther@suse.de>
7259 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7261 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7263 * sel-sched.c (create_speculation_check): Remove set but not used
7264 variable twin.
7265 (try_transformation_cache): Remove set but not used variable ds.
7266 (calculate_privileged_insns): Remove set but not used variables
7267 cur_insn and min_spec_insn.
7268 (find_best_expr): Remove set but not used variable avail_n.
7269 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7270 variable e.
7271 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7272 false_label.
7273 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7274 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7275 new_scop_exit_edge.
7277 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7279 PR bootstrap/42786
7280 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7281 cpu types. Add support for *-sse3 cpu types.
7282 (x86_64-*-*): Ditto.
7284 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7286 PR middle-end/42803
7287 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7288 argument, call initializer_constant_valid_p_1 instead of
7289 initializer_constant_valid_p, pass CACHE to it, return NULL
7290 immediately if first call returns NULL.
7291 (initializer_constant_valid_p_1): New function.
7292 (initializer_constant_valid_p): Use it.
7294 2010-01-20 Thomas Quinot <quinot@adacore.com>
7296 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7298 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7300 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7301 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7302 (loc_list_from_tree): Don't handle unsigned division. Handle
7303 signed modulo using DW_OP_{over,over,div,mul,minus}.
7304 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7305 modulo instead of signed.
7307 2010-01-20 DJ Delorie <dj@redhat.com>
7309 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7310 (Fpa): Pass it
7311 (h8300_emit_stack_adjustment): Propogate it.
7312 (push): Pass it.
7313 (h8300_expand_prologue): Likewise.
7314 (h8300_expand_epilogue): Likewise.
7316 2010-01-19 Michael Matz <matz@suse.de>
7318 PR tree-optimization/41783
7319 * tree-data-ref.c (toplevel): Include flags.h.
7320 (dump_data_dependence_relation): Also dump the inputs if the
7321 result will be unknown.
7322 (split_constant_offset_1): Look through some conversions.
7323 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7324 the offset from last element is too large.
7325 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7326 (reassociate_to_the_same_stmt): Handle vector registers.
7327 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7328 (e.g. conversions).
7329 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7330 wide_prolog_niters argument, emit widening instructions.
7331 (vect_do_peeling_for_alignment): Adjust caller, use widened
7332 variant of the iteration cound.
7333 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7335 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7337 PR target/38697
7338 * config/arm/neon-testgen.m (emit_automatics): New parameter
7339 features. Adjust for Fixed_return_reg feature.
7340 (test_intrinsic): Call emit_automatics with new feature.
7341 * config/arm/neon.ml: Update copyright years.
7342 (features): New Fixed_return_reg feature.
7343 (ops): Update feature for Vget_low.
7345 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7347 PR tree-optimization/42719
7348 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7349 stmt uses.
7351 PR debug/42728
7352 * fwprop.c (all_uses_available_at): Return false if def_set dest
7353 is a REG that is used in def_insn.
7355 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7357 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7359 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7360 Add argument names.
7362 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7364 * target.h (struct gcc_target) <secondary_reload>: Change type
7365 of last argument to secondary_reload_info *.
7367 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7369 PR target/42774
7370 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7371 memory references with unaligned offsets. Remove CQImode handling.
7372 (unaligned_memory_operand): Return 1 for memory references with
7373 unaligned offsets. Remove CQImode handling.
7375 2010-01-18 Richard Guenther <rguenther@suse.de>
7377 PR middle-end/39954
7378 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7379 builtin calls.
7381 2010-01-18 Richard Guenther <rguenther@suse.de>
7383 PR tree-optimization/42781
7384 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7385 restrict processing only if the original variable was artificial.
7387 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7389 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7390 find number of popped argument bytes.
7392 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7393 Fix the text that describes the return value for invalid insns.
7395 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7397 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7398 Clarify what 'cost of the -dependence' is. Fix quoting.
7400 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7401 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7403 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7405 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7406 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7408 2010-01-17 Richard Guenther <rguenther@suse.de>
7410 PR middle-end/42248
7411 * function.c (split_complex_args): Take a VEC to modify.
7412 (assign_parms_augmented_arg_list): Build a VEC instead of
7413 a chain of PARM_DECLs.
7414 (assign_parms_unsplit_complex): Take a VEC of arguments.
7415 Do not fixup unmodified parms.
7416 (assign_parms): Deal with the VEC.
7417 (gimplify_parameters): Likewise.
7419 2010-01-17 Richard Guenther <rguenther@suse.de>
7421 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7422 node existence check.
7423 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7424 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7425 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7426 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7427 (gimple_execute_on_growing_pred): Likewise.
7429 2010-01-17 Richard Guenther <rguenther@suse.de>
7431 PR tree-optimization/42773
7432 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7433 (compute_antic_aux): Likewise.
7434 (compute_partial_antic_aux): Likewise.
7436 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7438 PR debug/42767
7439 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7440 and US_TRUNCATE.
7442 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7444 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7445 appearance.
7447 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7448 Fix markup for strict argument.
7450 (TARGET_SCHED_REORDER2): Fix argument types.
7452 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7453 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7455 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7456 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7458 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7459 Add argument name.
7461 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7462 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7463 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7464 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7465 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7467 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7469 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7471 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7472 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7474 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7476 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7477 Use prototype.
7479 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7481 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7482 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7484 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7486 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7488 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7489 referring to it. Fix language.
7491 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7493 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7495 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7497 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7499 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7500 '@var{stream}. Remove stray 'and'.
7502 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7504 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7506 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7508 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7509 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7511 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7512 Fix description of return value.
7513 Rename argument "sz" to "len."
7515 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7516 Clarify meaning of 'true' return value.
7518 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7520 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7521 rep_mode versus mode_rep.
7523 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7525 (TARGET_BUILTIN_DECL): Fix name.
7527 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7529 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7531 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7533 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7535 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7537 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7538 Clarify language.
7540 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7541 Rename argument tm_fn to md_fn.
7543 (TARGET_OPTION_PRINT): Fix argument list.
7545 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7547 PR target/42664
7548 * config/i386/i386.c (ix86_fixup_binary_operands):
7549 Revert FMA4 fixup of operands.
7551 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7553 PR gcc/42525
7554 * Makefile.in (write_entries_to_file, install-plugin):
7555 Use \012 instead of \n with tr.
7557 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7559 * configure.ac (HAVE_AS_REF): New C macro.
7560 * configure: Regenerate.
7561 * config.in: Likewise.
7562 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7563 if HAVE_AS_REF.
7564 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7565 if HAVE_AS_REF.
7567 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7569 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7571 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7573 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7575 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7577 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7579 (TARGET_BINDS_LOCAL_P): Fix argument type.
7581 (TARGET_ASM_FILE_END): Use prototype.
7583 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7585 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7587 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7589 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7591 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7592 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7594 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7595 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7597 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7598 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7599 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7600 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7602 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7604 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7606 (TARGET_INIT_BUILTINS): Use prototype.
7608 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7609 Put 'const char *' in braces. Fix parameter types.
7610 (TARGET_INVALID_CONVERSION): Fix parameter types.
7611 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7612 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7614 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7615 Fix argument type.
7617 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7619 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7621 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7623 * doc/tm.texi (TARGET_HELP): Fix return type.
7625 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7626 in braces. Fix argument types.
7628 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7630 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7632 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7634 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7635 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7637 (TARGET_MANGLE_TYPE): Fix argument types.
7639 (TARGET_IRA_COVER_CLASSES): Use prototype.
7641 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7643 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7645 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7647 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7649 (TARGET_CALLEE_COPIES): Fix argument types.
7651 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7653 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7655 (TARGET_FUNCTION_VALUE): Fix argument types.
7657 (TARGET_RETURN_IN_MSB): Fix argument type.
7659 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7661 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7663 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7665 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7666 agree with return type.
7668 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7670 2010-01-15 Jing Yu <jingyu@google.com>
7672 PR rtl-optimization/42691
7673 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7674 a pseudo to a constant and are merged, and adjust comments.
7676 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7678 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7680 2010-01-15 Richard Guenther <rguenther@suse.de>
7682 PR middle-end/42739
7683 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7684 labels of computed or non-local gotos to the destination.
7685 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7686 landing pad label is the first label.
7688 2010-01-15 Richard Guenther <rguenther@suse.de>
7690 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7692 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7694 PR target/42747
7695 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7696 to allow generation of the xssqrtdp instruction on power7.
7697 (sqrtdf2_fpr): Ditto.
7699 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7701 PR middle-end/42674
7702 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7703 functions with noreturn attribute.
7705 PR c++/42608
7706 * varasm.c (declare_weak): Add weak attribute to decl if it
7707 doesn't have one already.
7708 (assemble_external): Only add decls to weak_decls if they also
7709 have weak attribute.
7711 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7713 * var-tracking.c (var_reg_delete): Don't delete the association
7714 between REGs and values or one-part variables if the register
7715 isn't clobbered.
7717 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7719 PR debug/42657
7720 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7721 because its first operand is a non-localized variable.
7723 2010-01-14 Martin Jambor <mjambor@suse.cz>
7725 PR tree-optimization/42706
7726 * tree-sra.c (encountered_recursive_call): New variable.
7727 (encountered_unchangable_recursive_call): Likewise.
7728 (sra_initialize): Initialize both new variables.
7729 (callsite_has_enough_arguments_p): New function.
7730 (scan_function): Call decl and flags check only for IPA-SRA, check
7731 whether there is a recursive call and whether it has enough arguments.
7732 (all_callers_have_enough_arguments_p): New function.
7733 (convert_callers): Look for recursive calls only when
7734 encountered_recursive_call is set.
7735 (ipa_early_sra): Bail out either if
7736 !all_callers_have_enough_arguments_p or
7737 encountered_unchangable_recursive_call.
7739 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7741 * sel-sched.c: Add 2010 to copyright years.
7742 * sel-sched-ir.c: Likewise.
7743 * sel-sched-ir.h: Likewise.
7745 2010-01-14 Martin Jambor <mjambor@suse.cz>
7747 PR tree-optimization/42714
7748 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7749 constructors specially.
7751 2010-01-14 Andi Kleen <ak@linux.intel.com>
7753 * config/i386/drivers-i386.c (detect_caches_intel):
7754 Add l2sizekb parameter and fill in.
7755 (host_detect_local_cpu): Add l2sizekb, fill in.
7756 Add Atom small cache heuristic.
7758 2010-01-14 Andi Kleen <ak@linux.intel.com>
7760 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7761 Add level3 parameter and fill in.
7762 (detect_caches_intel): Handle level3 cache.
7764 2010-01-14 Andi Kleen <ak@linux.intel.com>
7766 * config/i386/drivers-i386.c (host_detect_local_cpu):
7767 Fix core duo detection.
7769 2010-01-14 Andi Kleen <ak@linux.intel.com>
7771 * config/i386/drivers-i386.c (host_detect_local_cpu):
7772 Fix Atom detection.
7774 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7776 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7777 (rs6000_variable_issue_1): this. Use...
7778 (rs6000_variable_issue): here. Reimplement. Print debug info.
7780 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7782 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7783 sel_restore_notes. Update all callers. Call reemit_notes
7784 for all insns.
7786 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7788 PR rtl-optimization/42246
7789 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7790 loops.
7792 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7794 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7795 all successors is the same as number of successors in current region.
7797 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7799 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7800 to rename is not separable. Otherwise check that its LHS is not NULL.
7802 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7804 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7806 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7808 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7809 available registers when failed to discover LHS register class.
7810 Fix indentation. Update comment.
7812 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7813 Alexander Monakov <amonakov@ispras.ru>
7815 PR rtl-optimization/42389
7816 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7817 to can_issue_more.
7818 (advance_state_on_fence): Likewise.
7819 (sel_target_adjust_priority): Print debug output only when
7820 sched_verbose >= 4, not 2.
7821 (get_expr_cost): Do not issue all unique insns on the next cycle.
7822 (fill_insns): Initialize can_issue_more from the value saved
7823 with the fence.
7824 * sel-sched-ir.c (flist_add): New parameter issue_more.
7825 Init FENCE_ISSUE_MORE with it.
7826 (merge_fences): Likewise.
7827 (init_fences): Update call to flist_add.
7828 (add_to_fences, add_clean_fence_to_fences)
7829 (add_dirty_fence_to_fences): Likewise.
7830 (move_fence_to_fences): Update call to merge_fences.
7831 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7832 sched groups.
7833 * sel-sched-ir.h (struct _fence): New field issue_more.
7834 (FENCE_ISSUE_MORE): New accessor macro.
7836 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7838 PR rtl-optimization/42388
7839 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7840 that have no predecessors nor successors. Do not call move_bb_info
7841 for empty blocks outside of current region.
7843 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7845 PR rtl-optimization/42294
7846 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7847 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7848 originators' originators.
7850 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7852 PR rtl-optimization/39453
7853 PR rtl-optimization/42246
7854 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7855 for pipelining_p.
7856 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7858 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7859 Alexander Monakov <amonakov@ispras.ru>
7861 PR middle-end/42245
7862 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7863 (maybe_tidy_empty_bb): ... here. Make static. Add new
7864 argument. Update all callers.
7865 (tidy_control_flow): ... and here. Recompute topological order
7866 of basic blocks in region if necessary.
7867 (sel_redirect_edge_and_branch): Change return type. Return true
7868 if topological order might have been invalidated.
7869 (purge_empty_blocks): Export and move from...
7870 * sel-sched.c (purge_empty_blocks): ... here.
7871 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7872 (maybe_tidy_empty_bb): Delete prototype.
7873 (purge_empty_blocks): Declare.
7875 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7877 PR rtl-optimization/42249
7878 * sel-sched.c (try_replace_dest_reg): When chosen register
7879 and original register is the same, do not bail out early, but
7880 still check all original insns for validity of replacing destination
7881 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7882 in this case.
7884 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7886 PR c/42721
7887 Port from no-undefined-overflow branch:
7888 2009-03-09 Richard Guenther <rguenther@suse.de>
7890 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7892 2010-01-14 Richard Guenther <rguenther@suse.de>
7894 PR lto/42665
7895 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7897 2010-01-14 Ira Rosen <irar@il.ibm.com>
7899 PR tree-optimization/42709
7900 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7901 as scalar type in creation of constant vector operand.
7903 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7905 PR testsuite/42414
7906 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7907 (check-parallel-%): Match `testsuite' directory component only
7908 at the end.
7910 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7912 PR translation/39521
7913 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7914 strings with _().
7916 2010-01-13 Richard Guenther <rguenther@suse.de>
7918 PR tree-optimization/42730
7919 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7920 offset zero.
7922 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7924 PR target/pr42542
7925 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7926 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7927 them signed.
7929 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7931 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7932 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7933 ___umulsi3_highpart.
7935 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7936 rather than schedule_insns if the pass is enabled.
7938 2010-01-13 Martin Jambor <mjambor@suse.cz>
7940 PR tree-optimization/42704
7941 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7942 SSA_NAMEs.
7944 2010-01-13 Martin Jambor <mjambor@suse.cz>
7946 PR tree-optimization/42703
7947 * tree-sra.c (analyze_access_subtree): Check that we can build a
7948 reference to the original data within the aggregate.
7950 2010-01-13 Richard Guenther <rguenther@suse.de>
7952 PR tree-optimization/42705
7953 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7955 2010-01-13 Richard Guenther <rguenther@suse.de>
7957 PR middle-end/42716
7958 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7960 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7962 PR debug/41371
7963 * var-tracking.c (values_to_unmark): New variable.
7964 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7965 values_to_unmark vector. Moved body to...
7966 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7967 instead queue it into values_to_unmark vector.
7968 (vt_find_locations): Free values_to_unmark vector.
7970 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7972 * config/s390/s390.c (override_options): Set
7973 default of max-pending-list-length to 256
7975 2010-01-13 Richard Guenther <rguenther@suse.de>
7977 PR lto/42678
7978 * tree-pass.h (PROP_gimple_lcx): New.
7979 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7980 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7981 before the final cleanup_eh.
7982 (dump_properties): Dump PROP_gimple_lcx.
7983 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7984 (tree_lower_complex_O0): Remove.
7985 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7986 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7987 tree_lower_complex, schedule TODO_update_ssa.
7988 * lto-streamer-out.c (output_function): Stream the functions
7989 properties.
7990 * lto-streamer-in.c (input_function): Likewise.
7991 (lto_read_body): Do not override them here.
7993 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7995 PR c/42708
7996 * c-typeck.c (build_c_cast): Fold value cast to union type before
7997 wrapping it in a CONSTRUCTOR.
7999 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8001 PR rtl-optimization/42699
8002 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
8003 involved.
8005 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8007 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8008 SUBTARGET_WARN_UNUSED_SPEC): Move ...
8009 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8010 SUBTARGET_WARN_UNUSED_SPEC): ... here
8011 * config/mips/iris5.h (LIBGCC_SPEC): Define.
8013 2010-01-12 Julian Brown <julian@codesourcery.com>
8015 * config/arm/neon-schedgen.ml (Utils): Don't try to
8016 open missing module.
8017 (find_with_result): New.
8019 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8021 PR debug/42662
8022 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
8023 sharing when canonicalizing ({lt,ge}u (plus a b) b).
8025 PR tree-optimization/42645
8026 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
8027 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
8028 decl_map, set processing_debug_stmt to -1 and return name without
8029 any remapping.
8031 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
8033 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
8034 binutils version, and reword target configuration description.
8036 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8038 * config/avr/avr.h (LINKER_NAME): Remove.
8040 2010-01-11 Janis Johnson <janis187@us.ibm.com>
8042 PR target/42416
8043 * config/rs6000/rs6000.c (rs6000_override_options): On targets
8044 that support VSX, warn for -mno-altivec if vsx is not disabled,
8045 and disable vsx.
8047 2010-01-11 Joseph Myers <joseph@codesourcery.com>
8048 Shujing Zhao <pearly.zhao@oracle.com>
8050 PR translation/42469
8051 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
8052 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
8053 character between option name and help text.
8054 * c.opt (imultilib): Likewise.
8056 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
8058 * lto-streamer-out.c (output_unreferenced_globals): Output static
8059 variables.
8061 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
8063 PR rtl-optimization/42621
8064 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
8065 optimizing for size.
8066 (duplicate_computed_gotos): Remove now-redundant check.
8068 2010-01-10 Steve Ellcey <sje@cup.hp.com>
8070 PR target/37454
8071 * configure.ac: Save and restore LDFLAGS and LIBS
8072 * configure: Regenerate.
8074 2010-01-10 Richard Guenther <rguenther@suse.de>
8076 PR middle-end/42667
8077 * builtins.c (fold_builtin_strlen): Add type argument and
8078 convert the resulting length to it.
8079 (fold_builtin_1): Adjust.
8081 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8083 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
8084 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
8085 1 insn.
8086 (num_insns_constant_wide): Adjust for that change.
8088 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8090 PR debug/42631
8091 * web.c (union_defs): Add used argument, to combine uses of
8092 uninitialized regs.
8093 (entry_register): Adjust type and tests of used argument.
8094 (web_main): Widen used for new use. Pass it to union_defs.
8095 * df.h (union_defs): Adjust prototype.
8097 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8099 PR debug/42630
8100 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
8101 uses in new incoming argument. Free body.
8102 (reset_debug_uses_in_loop): New.
8103 (analyze_insn_to_expand_var): Call the latter if the former found
8104 anything. Fix whitespace. Reject invalid dest overlaps before
8105 going through all insns in the loop.
8107 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8109 PR debug/42629
8110 * haifa-sched.c (dying_use_p): Debug insns don't count.
8112 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8114 PR middle-end/42363
8115 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
8116 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
8117 (verify_gimple_call): Reject LHS in noreturn calls.
8119 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8121 PR debug/42604
8122 PR debug/42395
8123 * tree-vect-loop-manip.c (adjust_info): New type.
8124 (adjust_vec): New pointer to vector.
8125 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
8126 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
8127 (slpeel_update_phis_for_duplicate_loop): Use them.
8128 (slpeel_update_phi_nodes_for_guard1): Likewise.
8129 (slpeel_update_phi_nodes_for_guard2): Likewise.
8130 (slpeel_tree_peel_loop_to_edge): Likewise.
8131 (vect_update_ivs_after_vectorizer): Likewise.
8133 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8135 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8136 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8138 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8140 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8141 bogus uninitialized warning.
8143 2010-01-09 Richard Guenther <rguenther@suse.de>
8145 PR middle-end/42512
8146 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8147 the evolution is compatible with the initial condition.
8149 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8151 * gcc.c (process_command): Update copyright notice dates.
8152 * gcov.c (print_version): Likewise.
8153 * gcov-dump.c (print_version): Likewise.
8154 * mips-tfile.c (main): Likewise.
8155 * mips-tdump.c (main): Likewise.
8157 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8159 PR target/41885
8160 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8161 (rotlhi3): Delete.
8162 (rotlhi3_8): Delete.
8163 (rotlsi3): Delete.
8164 (rotlsi3_8): Delete.
8165 (rotlsi3_16): Delete.
8166 (rotlsi3_24): Delete.
8167 (rotl<mode>3): New.
8168 (*rotw<mode>3): New.
8169 (*rotb<mode>3): New.
8170 * config/avr/avr.c (avr_rotate_bytes): New function.
8171 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8173 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8175 PR target/37454
8176 * configure.ac: Modify -rdynamic check.
8177 * configure: Regenerate.
8179 2010-01-08 DJ Delorie <dj@redhat.com>
8181 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8182 register popping order.
8184 2010-01-08 Richard Guenther <rguenther@suse.de>
8186 PR lto/42528
8187 * c.opt (fsigned-char): Also let LTO handle this option.
8188 (funsigned-char): Likewise.
8190 2010-01-07 Richard Guenther <rguenther@suse.de>
8192 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8193 (gimple_op): Likewise.
8194 (gimple_op_ptr): Likewise.
8195 (gimple_assign_set_lhs): Remove gcc_assert.
8196 (gimple_assign_set_rhs1): Likewise.
8197 (gimple_assign_set_rhs2): Likewise.
8198 (gimple_call_set_lhs): Likewise.
8199 (gimple_call_set_fn): Likewise.
8200 (gimple_call_set_fndecl): Likewise.
8201 (gimple_call_fndecl): Likewise.
8202 (gimple_call_return_type): Likewise.
8203 (gimple_call_set_chain): Likewise.
8204 (gimple_call_num_args): Likewise.
8205 (gimple_call_set_arg): Likewise.
8206 (gimple_cond_set_code): Likewise.
8207 (gimple_cond_set_lhs): Likewise.
8208 (gimple_cond_set_rhs): Likewise.
8209 (gimple_cond_set_true_label): Likewise.
8210 (gimple_cond_set_false_label): Likewise.
8211 (gimple_label_set_label): Likewise.
8212 (gimple_goto_set_dest): Likewise.
8213 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8214 (gimple_debug_bind_get_value): Likewise.
8215 (gimple_debug_bind_get_value_ptr): Likewise.
8216 (gimple_debug_bind_set_var): Likewise.
8217 (gimple_debug_bind_set_value): Likewise.
8218 (gimple_debug_bind_reset_value): Likewise.
8219 (gimple_debug_bind_has_value_p): Likewise.
8220 (gimple_return_retval_ptr): Remove gcc_assert.
8221 (gimple_return_retval): Likewise.
8222 (gimple_return_set_retval): Likewise.
8223 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8224 (safe_referenced_var_iterator): Remove.
8225 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8226 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8227 (fill_referenced_var_vec): Remove.
8228 (first_readonly_imm_use): Remove redundant gcc_assert.
8229 (phi_arg_index_from_use): Combine gcc_asserts.
8230 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8231 (first_imm_use_stmt): Remove redundant gcc_assert.
8232 * tree-cfg.c (verify_gimple_call): Verify function and chain
8233 operands. Verify arguments.
8234 (verify_types_in_gimple_stmt): Verify condition code and labels.
8236 2010-01-07 Richard Guenther <rguenther@suse.de>
8238 PR tree-optimization/42641
8239 * sese.c (rename_map_elt_info): Use the SSA name version, do
8240 not hash pointers.
8242 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8244 PR tree-optimization/42625
8245 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8246 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8248 2010-01-07 Duncan Sands <baldrick@free.fr>
8250 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8252 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8254 PR target/42511
8255 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8256 note itself is not function_invariant_p.
8258 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8260 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8261 Do not add the DF_NOTE problem.
8262 * store-motion.c (execute_rtl_store_motion): Likewise.
8264 2010-01-07 Martin Jambor <mjambor@suse.cz>
8266 PR tree-optimization/42157
8267 * tree-sra.c (compare_access_positions): Stabilize sort if both
8268 accesses have integer types, return zero immediately if they are the
8269 same.
8271 2010-01-06 Richard Henderson <rth@redhat.com>
8273 PR middle-end/41883
8274 * haifa-sched.c (add_to_note_list): Merge into ...
8275 (concat_note_lists): ... here, and ...
8276 (unlink_other_notes, rm_other_notes): Merge into...
8277 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8278 NOTE_INSN_EPILOGUE_BEG.
8280 2010-01-06 Richard Guenther <rguenther@suse.de>
8282 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8283 not inline regular functions into always-inline functions.
8285 2010-01-06 Nick Clifton <nickc@redhat.com>
8287 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8288 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8289 used together.
8290 (OVERRIDE_OPTIONS): Delete.
8291 (OPTIMIZATION_OPTIONS): Define.
8292 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8293 * config/rx/rx.c (rx_handle_option): Issue an error message if
8294 -mcpu=rx200 and -fpu are used together.
8295 (rx_set_optimization_options): New function. Issue an error
8296 message if an optimization attribute attempts to reset the FPU/
8297 math optimization pairing.
8298 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8299 * config/rx/rx.opt: Set the default to 32-bit doubles.
8300 * config/rx/t-rx: Add multilibs for -nofpu option.
8301 * doc/invoke.texi: Update documentation of RX options.
8303 2010-01-06 Richard Guenther <rguenther@suse.de>
8305 * tree-ssa-pre.c (name_to_id): New global.
8306 (alloc_expression_id): Simplify SSA name handling.
8307 (lookup_expression_id): Likewise.
8308 (init_pre): Zero name_to_id.
8309 (fini_pre): Free it.
8311 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8313 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8315 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8317 PR target/42542
8318 * config/i386/sse.md (smaxv2di3): New.
8319 (umaxv2di3): Likewise.
8320 (sminv2di3): Likewise.
8321 (uminv2di3): Likewise.
8323 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8325 PR target/42564
8326 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8327 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8328 (legitimize_tls_address): Likewise.
8329 (sparc_tls_referenced_p): Likewise.
8330 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8331 and adjust calls to legitimize_pic_address.
8332 (legitimate_constant_p) Use sparc_tls_referenced_p.
8333 (legitimate_pic_operand_p): Likewise.
8334 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8335 (sparc_tls_symbol_ref_1): Delete.
8336 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8337 (legitimize_tls_address): Make static, handle CONST patterns.
8338 (legitimize_pic_address): Make static, remove unused parameter and
8339 adjust recursive calls.
8340 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8341 and adjust call to legitimize_pic_address.
8342 (sparc_output_mi_thunk): Likewise.
8344 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8345 H.J. Lu <hongjiu.lu@intel.com>
8347 PR target/42542
8348 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8349 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8350 operands to make them signed.
8352 Revert:
8353 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8355 PR target/42542
8356 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8357 GTU to GT for V4SI and V2DI.
8359 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8360 (umin<mode>3): Removed.
8361 (uminv8hi3): New.
8362 (uminv4si3): Likewise.
8364 2010-01-05 Martin Jambor <mjambor@suse.cz>
8366 PR tree-optimization/42462
8367 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8368 current_function_decl to helper functions and macros.
8370 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8372 PR bootstrap/41771
8373 * flags.h: Don't include real.h.
8374 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8375 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8376 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8377 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8378 * dominance.c: Update copyright.
8379 * gimple.c (walk_gimple_op): Remove inline.
8380 * tree-ssa-reassoc.c: Include real.h.
8381 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8382 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8384 2010-01-05 Nick Clifton <nickc@redhat.com>
8386 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8387 register to push into the stack frame when the accumulator has to
8388 be saved during interrupts.
8390 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8392 * doc/invoke.texi: Remove the documentation about option
8393 -Wunreachable-code.
8394 * common.opt (Wunreachable-code): Preserved for backward
8395 compatibility.
8396 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8397 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8398 the backward compatibility flag section.
8400 2010-01-05 Richard Guenther <rguenther@suse.de>
8402 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8404 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8406 PR other/42611
8407 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8409 PR tree-optimization/42508
8410 * tree-sra.c (convert_callers): Check for recursive call
8411 by comparing cgraph nodes instead of decls.
8412 (modify_function): Call ipa_modify_formal_parameters also
8413 on all same_body aliases.
8415 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8416 cgraph nodes when checking for same_body aliases.
8418 2010-01-05 Richard Guenther <rguenther@suse.de>
8420 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8421 allocation and lookup.
8422 (get_or_alloc_expr_for_constant): Likewise.
8423 (phi_translate): Sink allocation.
8425 2010-01-04 Richard Guenther <rguenther@suse.de>
8427 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8428 a new entry only if needed.
8429 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8430 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8431 hashtable lookup.
8432 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8433 the result array.
8434 (phi_translate): Handle CONSTANTs early.
8436 2010-01-04 Martin Jambor <mjambor@suse.cz>
8438 PR tree-optimization/42398
8439 * tree-sra.c (struct access): Removed flag grp_different_types.
8440 (dump_access): Do not dump the removed flag.
8441 (sort_and_splice_var_accesses): Do not set the removed flag.
8442 (sra_modify_expr): Check for type compatibility directly.
8444 2010-01-04 Martin Jambor <mjambor@suse.cz>
8446 PR tree-optimization/42366
8447 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8448 edges with variable number of parameters.
8449 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8450 flag instead of asserting it.
8451 (ipa_read_node_info): Read uses_analysis_done flag.
8453 2010-01-04 Richard Guenther <rguenther@suse.de>
8455 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8456 iterative_hash_* as intended.
8457 (vn_reference_compute_hash): Likewise. Simplify hashing
8458 SSA names.
8459 (vn_reference_lookup_2): Likewise.
8460 (vn_nary_op_compute_hash): Likewise.
8461 (vn_phi_compute_hash): Likewise.
8462 (expressions_equal_p): Remove strange code.
8463 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8464 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8465 (bitmap_insert_into_set_1): Take value-id as parameter.
8466 (add_to_value): Pass it.
8467 (bitmap_insert_into_set): Likewise.
8468 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8470 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8472 PR driver/42442
8473 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8474 (do_self_spec): For switches with SWITCH_IGNORE set set also
8475 SWITCH_IGNORE_PERMANENTLY.
8476 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8477 of SWITCH_IGNORE.
8479 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8481 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8482 tree of an unreferenced global var.
8484 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8486 PR target/42542
8487 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8488 GTU to GT for V4SI and V2DI.
8490 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8491 (umin<mode>3): Removed.
8492 (uminv8hi3): New.
8493 (uminv4si3): Likewise.
8495 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8497 PR lto/42581
8498 * collect2.c (main): Turn on trace in collect2 if -v is passed
8499 to gcc with LTO.
8501 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8503 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8504 description of expression operand.
8506 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8508 * configure.ac: Add install-html to target_list for Make-hooks.
8509 * configure: Regenerate.
8510 * fortran/Make-lang.in (F95_HTMLFILES): New.
8511 (fortran.html): Use it.
8512 (fortran.install-html): New.
8513 * Makefile.in (install-html): Add lang.install-html.
8514 * java/Make-lang.in (JAVA_HTMLFILES): New.
8515 (java.html): Use it.
8516 (java.install-html): New.
8517 * objc/Make-lang.in (objc.install-html): New.
8518 * objcp/Make-lang.in (obj-c++.install-html): New.
8519 * cp/Make-lang.in (c++.install-html): New.
8520 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8521 * lto/Make-lang.in (lto.install-html): New.
8523 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8525 PR lto/42520
8526 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8528 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8530 PR rtl-optimization/41862
8531 * store-motion.c (store_killed_in_insn, compute_store_table,
8532 remove_reachable_equiv_notes, replace_store_insn,
8533 build_store_vectors): Ignore all DEBUG_INSNs.
8535 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8537 PR lto/41564
8538 * common.opt: Add dumpdir.
8540 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8541 isn't specified.
8542 (option_map): Add --dumpdir.
8544 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8546 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8548 * opts.c (decode_options): Try dump_dir_name first if
8549 dump_base_name isn't an absolute path.
8550 (common_handle_option): Handle OPT_dumpdir.
8552 * toplev.c (dump_dir_name): New.
8553 (print_switch_values): Also ignore -dumpdir.
8555 * toplev.h (dump_dir_name): New.
8557 2010-01-03 Richard Guenther <rguenther@suse.de>
8559 PR tree-optimization/42589
8560 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8561 double-word expansion of bswap32.
8563 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8565 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8566 with BLOCK_FOR_INSN.
8567 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8568 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8569 noce_process_if_block): Likewise.
8570 * gcse.c (compute_local_properties, insert_expr_in_table,
8571 insert_set_in_table, canon_list_insert, find_avail_set,
8572 pre_insert_copy_insn): Likewise.
8574 * basic-block.h (BLOCK_NUM): Move from here...
8575 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8577 2010-01-03 Richard Guenther <rguenther@suse.de>
8579 PR tree-optimization/42438
8580 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8581 contains_may_not_return_call flag.
8582 (BB_MAY_NOTRETURN): New.
8583 (valid_in_sets): Trapping nary operations are not valid
8584 in blocks that may not return.
8585 (insert_into_preds_of_block): Remove check for trapping expressions.
8586 (compute_avail): Compute also BB_MAY_NOTRETURN.
8588 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8590 * doc/invoke.texi: Add 2010 to copyright years.
8592 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8594 * config/sparc/sparc.c: Fix formatting nits.
8596 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8597 Alexander Monakov <amonakov@ispras.ru>
8599 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8601 2010-01-02 Richard Guenther <rguenther@suse.de>
8603 PR middle-end/42577
8604 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8605 (simplify_switch_using_ranges): Mark to be removed edges
8606 as non-executable.
8608 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8610 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8612 * collect2.c (scan_libraries): Add missing argument in call to
8613 scan_prog_file.
8615 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8617 PR target/42448
8618 * config/alpha/predicates.md (aligned_memory_operand): Return false
8619 for CQImode.
8620 (unaligned_memory_operand): Return true for CQImode.
8621 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8622 doesn not cross aligned SImode word boundary.
8624 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8626 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8627 Remove.
8628 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8629 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8631 2010-01-02 Richard Guenther <rguenther@suse.de>
8633 PR lto/41597
8634 * toplev.c (compile_file): Emit LTO marker properly. Change
8635 it to __gnu_lto_v1.
8636 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8638 2010-01-01 Richard Guenther <rguenther@suse.de>
8640 PR debug/42455
8641 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8643 2010-01-01 Richard Guenther <rguenther@suse.de>
8645 PR c/42570
8646 * c-decl.c (grokdeclarator): For zero-size arrays force
8647 structural equality checks as layout_type does.
8649 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8651 * builtins.c: Update copyright to 2010.
8653 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8655 PR lto/42531
8656 * lto-streamer-out.c (produce_asm): Revert the last change.
8657 (copy_function): Likewise.
8659 * lto-streamer.c (lto_get_section_name): Skip any leading
8660 asterisk in name.
8662 2010-01-01 Richard Guenther <rguenther@suse.de>
8664 PR middle-end/42559
8665 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8666 for LABEL_DECLs.
8668 \f
8669 Copyright (C) 2010 Free Software Foundation, Inc.
8671 Copying and distribution of this file, with or without modification,
8672 are permitted in any medium without royalty provided the copyright
8673 notice and this notice are preserved.