1 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
4 * doc/invoke.texi (Wimplicit): Document as C only.
5 * opts.c (common_handle_option): Add argument kind.
6 (handle_option): Rename as read_cmdline_option. Factor out code to...
7 (handle_option): ... here. New.
8 (handle_options): Rename as read_cmdline_options.
9 (decode_options): Update call.
10 (set_option): Use option index instead of option pointer. Classify
11 diagnostics correctly.
12 (enable_warning_as_error): Call handle_option.
13 * opts.h (set_option): Update declaration.
14 (handle_option): Declare.
15 * langhooks.h (struct lang_hooks): Add argument kind to
17 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
18 * c-opts.c (set_Wimplicit): Delete.
19 (c_family_lang_mask): New static constant.
20 (c_common_handle_option): Add argument kind. Use handle_option
21 instead of set_Wimplicit.
22 (c_common_post_options): warn_implicit and warn_implicit_int
23 are disabled by default.
24 * c-common.c (warn_implicit): Do not define here.
25 * c-common.h (warn_implicit): Do not declare here.
26 (c_common_handle_option): Update declaration.
27 * lto-opts.c (lto_reissue_options): Update call to set_option.
29 2010-05-06 Richard Guenther <rguenther@suse.de>
31 PR tree-optimization/43571
32 * domwalk.c (walk_dominator_tree): Walk the dominator
33 sons in more optimal order.
35 2010-05-06 Richard Guenther <rguenther@suse.de>
37 PR tree-optimization/43934
38 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
39 (stmt_cost): Likewise.
40 (extract_true_false_args_from_phi): New helper.
41 (determine_max_movement): For PHI nodes verify we can hoist them
42 and compute their cost.
43 (determine_invariantness_stmt): Handle PHI nodes.
44 (move_computations_stmt): Likewise. Hoist PHI nodes in
45 if-converted form using COND_EXPRs.
46 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
48 (tree_ssa_lim): Likewise.
49 * tree-flow.h (tree_ssa_lim): Adjust prototype.
50 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
52 2010-05-06 Richard Guenther <rguenther@suse.de>
54 PR tree-optimization/43987
55 * tree-ssa-structalias.c (could_have_pointers): For possibly
56 address-taken variables force pointers to be recorded.
57 (create_variable_info_for_1): Likewise.
58 (push_fields_onto_fieldstack): Pass in wheter all fields
60 (find_func_aliases): Query types instead of vars whether
61 they contain pointers where appropriate.
63 2010-05-06 Jan Hubicka <jh@suse.cz>
65 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
66 (record_reference, mark_address, mark_load, mark_store): Record
68 (record_references_in_initializer): Update call of record_references.
69 (rebuild_cgraph_edges): Remove all references before rebuiding.
70 * cgraph.c (cgraph_create_node): Clear ref list.
71 (cgraph_remove_node): Remove references.
72 (dump_cgraph_node): Dump references.
73 (cgraph_clone_node): Clone references.
74 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
75 (struct cgraph_node, varpool_node): Add ref_lst.
76 * ipa-ref.c: New file.
77 * ipa-ref.h: New file.
78 * ipa-ref-inline.h: New file.
79 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
80 (referenced_from_other_partition_p): New function.
81 (lto_output_varpool_node): Take set arugment; call
82 referenced_from_other_partition.
83 (lto_output_ref): New.
84 (add_references): New.
86 (output_cgraph): Compute boundary based on references;
88 (output_varpool): Accept cgraph_node_set argument.
91 (input_cgraph): Call input_refs.
92 * lto-section-in.c (lto_section_name): Add refs.
93 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
94 (ipa-ref.o): New file.
95 * varpool.c (varpool_node): Clear ipa ref list.
96 (varpool_remove_node): Remove references.
97 (dump_varpool_node): Dump references.
98 (varpool_assemble_decl): Only compile finalized ones.
99 (varpool_extra_name_alias): Initialize ref list.
100 * lto-streamer.c (lto-get_section_name): Add .refs section.
101 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
102 (referenced_from_other_partition_p): Declared.
104 2010-05-06 Ira Rosen <irar@il.ibm.com>
106 PR tree-optimization/43901
107 * tree-vect-stmts.c (vectorizable_call): Assert that vector
108 type is not NULL if it's transformation phase, and return
109 FALSE if it's analysis.
110 (vectorizable_conversion, vectorizable_operation,
111 vectorizable_type_demotion, vectorizable_type_promotion):
114 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
116 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
118 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
120 * config/mips/mips-protos.h
121 (mips_small_register_classes_for_mode_p): Delete prototype.
123 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
125 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
126 * config/arm/arm.c (multiple_operation_profitable_p,
127 compute_offset_order): New static functions.
128 (load_multiple_sequence, store_multiple_sequence): Use them.
129 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
130 memory offsets, not register numbers.
131 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
133 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
135 * stor-layout.c (pending_sizes): Change the type to
137 (get_pending_sizes, put_pending_size, put_pending_sizes):
138 Update the uses of pending_sizes.
139 * c-decl.c (store_parm_decls): Likewise.
140 * c-tree.h (struct c_arg_info): Likewise.
141 * tree.h: Update the prototype for get_pending_sizes and
144 2010-05-05 Jason Merrill <jason@redhat.com>
147 * c-common.c (handle_aligned_attribute): Respect
148 ATTR_FLAG_TYPE_IN_PLACE.
151 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
152 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
153 (TARGET_INITIALIZER): Use it.
154 * c-common.c (attribute_takes_identifier_p): Call it.
155 * c-common.h: Update prototype.
156 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
157 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
159 2010-05-05 Jakub Jelinek <jakub@redhat.com>
162 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
163 DW_ID_down_case for Fortran compilation units.
165 2010-05-05 Jan Hubicka <jh@suse.cz>
167 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
170 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
172 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
173 a variable-sized RESULT_DECL.
175 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
177 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
179 2010-05-05 Jason Merrill <jason@redhat.com>
182 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
184 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
186 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
187 Jakub Jelinek <jakub@redhat.com>
190 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
191 (dead_debug_init, dead_debug_finish): New functions.
192 (dead_debug_add, dead_debug_insert_before): Likewise.
193 (df_note_bb_compute): Initialize a dead_debug object, add dead
194 debug uses to it, insert debug bind insns before death insns,
195 reset debug insns that refer to pending uses at the end.
196 * rtl.h (make_debug_expr_from_rtl): New prototype.
197 * varasm.c (make_debug_expr_from_rtl): New function.
199 2010-05-05 Jan Hubicka <jh@suse.cz>
201 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
202 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
203 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
204 lto_varpool_encoder_encode_initializer_p,
205 lto_set_varpool_encoder_encode_initializer): New functions.
206 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
208 (input_varpool_node): Do not always set analyzed.
209 (input_cgraph_1): Return vector of cgraph nodes.
210 (input_varpool_1): Return vector of varpools.
211 (input_cgraph): Free the vectors.
212 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
213 output only initializers needed.
214 (lto_output): Only call output_cgraph.
215 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
216 * lto-section-out.c (lto_new_out_decl_state): Initialize
217 state->varpool_node_encoder.
218 * lto-streamer.h (lto_varpool_encoder_d): New.
219 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
220 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
221 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
222 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
223 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
225 (output_varpool, input_varpool): Remove declarations.
227 2010-05-05 Jan Hubicka <jh@suse.cz>
229 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
230 with body can prevail.
232 2010-05-05 Jan Hubicka <jh@suse.cz>
234 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
237 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
239 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
242 * gengtype.h (erro_at_line): Constify pos argument.
244 * gengtype.c: Include hashtab.h.
245 (enum gc_used): Document GC_MAYBE_POINTED_TO.
246 (error_at_line): Constify pos argument.
247 (do_typedef): Initialize p->opt field.
248 (get_file_gtfilename): Fix comment typo.
249 (struct walk_type_data): Constify line field.
250 (get_output_file_for_structure): New function.
251 (write_local_func_for_structure): Constify orig_s argument.
252 Use get_output_file_for_structure.
253 (write_func_for_structure): Use get_output_file_for_structure.
254 (INDENT): New define.
255 (dump_pair, dump_type, dump_type_list, dump_typekind)
256 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
257 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
259 (seen_types): New variable.
260 (main): New variable do_dump. Process "-d" command line option.
261 Call dump_everything if dump requested.
263 2010-05-05 Jakub Jelinek <jakub@redhat.com>
265 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
266 in a temporary instead of invoking the macro multiple times.
267 (track_expr_p): Likewise.
269 2010-05-04 Neil Vachharajani <nvachhar@google.com>
271 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
273 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
274 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
275 conditions for printing notes.
276 * common.opt (-Wcoverage-mismatch): Allow negative, default to
277 true, update documentation.
278 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
280 2010-05-04 Jakub Jelinek <jakub@redhat.com>
283 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
286 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
289 * config/i386/i386.md (sse_prologue_save): Add clobber CC
291 (*sse_prologue_save_insn1): Likewise.
292 (SSE prologue save splitter): Likewise.
294 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
296 * tree.c (free_lang_data_in_one_sizepos): New inline function.
297 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
298 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
299 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
300 all decls. Call it on DECL_FIELD_OFFSET of fields.
301 (find_decls_types_r): Follow DECL_VALUE_EXPR.
302 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
304 2010-05-04 Martin Jambor <mjambor@suse.cz>
306 * tree-sra.c (build_access_from_expr_1): The first parameter type
307 changed to simple tree.
308 (build_access_from_expr): Likewise, gsi parameter was eliminated.
309 (scan_assign_result): Renamed to assignment_mod_result, enum elements
311 (build_accesses_from_assign): Removed all parameters except for a
312 simple gimple statement. Now returns a simple bool.
313 (scan_function): All non-analysis parts moved to separate functions
314 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
315 parameters and updated both callers.
316 (sra_modify_expr): Removed parameter data.
317 (sra_modify_function_body): New function.
318 (perform_intra_sra): Call sra_modify_function_body to modify the
320 (replace_removed_params_ssa_names): Parameter data changed into
322 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
323 changed the parameter dont_convert to convert with the opposite
325 (sra_ipa_modify_assign): Parameter data changed into adjustments
326 vector, return value changed to bool.
327 (ipa_sra_modify_function_body): New function.
328 (sra_ipa_reset_debug_stmts): Updated a comment.
329 (modify_function): Use ipa_sra_modify_function_body to modify function
332 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
335 * alias.c (true_dependence): Handle the same VALUE in x and mem.
336 (canon_true_dependence): Likewise.
337 (write_dependence_p): Likewise.
339 2010-05-04 Jan Hubicka <jh@suse.cz>
341 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
342 * cgraphbuild.c: Include ipa-utils.h
343 (record_reference_ctx): New struct.
344 (record_reference): Simplify to work on initializers; not statements.
345 (mark_address, mark_load, mark_store): New.
346 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
348 (record_references_in_initializer): Update use of record_reference.
349 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
352 2010-05-04 Jan Hubicka <jh@suse.cz>
354 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
355 node will be removed anyway.
356 (lto_varpool_replace_node): Allow also unanalyzed nodes;
357 relink aliases of node into prevailing node.
358 * varpool.c (varpool_remove_node): Remove aliases properly;
359 when removing node, remove all its aliases too; remove DECL_INITIAL
360 of removed node; ggc_free the varpool node.
362 2010-05-04 Richard Guenther <rguenther@suse.de>
364 PR tree-optimization/43879
365 * tree-ssa-structalias.c (alias_get_name): Use
366 DECL_ASSEMBLER_NAME if available.
367 (create_function_info_for): Return the varinfo node.
368 (ipa_pta_execute): Associate same-body aliases and extra names
369 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
371 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
373 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
376 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
379 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
380 only if HONOR_REG_ALLOC_ORDER is not defined.
382 2010-05-04 Richard Guenther <rguenther@suse.de>
384 PR tree-optimization/43949
385 * tree-vrp.c (extract_range_from_binary_expr): Only handle
388 2010-04-26 Jason Merrill <jason@redhat.com>
390 * c.opt (-fstrict-enums): New.
391 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
393 2010-05-03 David Ung <davidu@mips.com>
394 James E. Wilson <wilson@codesourcery.com>
396 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
397 emit the trap instruction before the divide for TUNE_74K.
399 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
401 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
402 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
403 based on the above, for new target hook.
405 * hooks.c (hook_bool_mode_true): New generic hook.
406 * hooks.h (hook_bool_mode_true): Add prototype.
408 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
410 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
411 target hook, set to hook_bool_mode_false.
412 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
413 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
414 with targetm.small_register_classes_for_mode_p.
415 (find_reusable_reload): Likewise.
416 (combine_reloads): Likewise.
417 * reload1.c (reload_as_needed): Likewise.
418 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
419 * ifcvt.c (noce_process_if_block, check_cond_move_block,
420 dead_or_predicable): Likewise.
421 * regmove.c (optimize_reg_copy_1): Likewise.
422 * calls.c (prepare_call_address): Likewise.
423 (precompute_register_parameters): Likewise.
425 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
427 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
428 implementation of the hook that considers all register classes
429 small except for SH64.
430 (sh_override_options): Use the new hook.
431 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
434 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
436 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
437 implementation of the hook that considers all register classes
439 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
442 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
444 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
445 implementation of the hook that considers all register classes
447 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
450 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
452 * config/m32c/m32c.h: Likewise.
453 * config/pdp11/pdp11.h: Likewise.
454 * config/avr/avr.h: Likewise.
455 * config/xtensa/xtensa.h: Likewise.
456 * config/m68hc11/m68hc11.h: Likewise.
457 * config/mn10300/mn10300.h: Likewise.
458 * config/mcore/mcore.h: Likewise.
459 * config/h8300/h8300.h: Likewise.
460 * config/bfin/bfin.h: Likewise.
462 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
463 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
465 2010-05-03 Anatoly Sokolov <aesok@post.ru>
467 * double-int.h (tree_to_double_int): Remove macro.
468 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
469 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
470 (tree_to_double_int): New function.
471 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
473 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
475 2010-05-03 Richard Guenther <rguenther@suse.de>
477 PR tree-optimization/43971
478 * tree-ssa-structalias.c (get_constraint_for_1): Fix
479 constraints in the !flag_delete_null_pointer_checks case.
481 2010-05-03 Jakub Jelinek <jakub@redhat.com>
484 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
485 result mode matches original rtl mode.
487 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
490 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
492 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
494 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
495 when processing flag options.
497 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
499 * gcov-iov.c (main): Change format string placeholder
500 from %#08x to 0x%08x.
501 * genchecksum.c (dosum): Change format string placeholder
502 from %#02x to 0x%02x.
504 2010-05-02 Richard Guenther <rguenther@suse.de>
506 PR tree-optimization/43879
507 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
509 2010-05-02 Bruno Haible <bruno@clisp.org>
511 * doc/extend.texi (Function Attributes): Fix a typo.
513 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
516 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
517 placeholder from 0x%x to %#x.
518 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
519 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
520 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
521 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
522 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
523 * config/i386/i386.c (ix86_target_string): Ditto.
524 * config/i386/i386.c (output_pic_addr_const): Ditto.
525 (print_operand): Ditto.
527 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
529 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
530 placeholder from 0x%x to %#x.
531 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
532 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
533 (ASM_OUTPUT_DEBUG_DATA): Ditto.
534 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
535 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
536 * optc-gen.awk: Ditto.
537 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
538 (HOST_WIDE_INT_PRINT_HEX): Ditto.
539 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
540 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
542 2010-05-01 Anatoly Sokolov <aesok@post.ru>
544 * target.h (struct calls): Add function_value_regno_p field.
545 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
546 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
547 * targhooks.c (default_function_value_regno_p): New function.
548 * targhooks.h (default_function_value_regno_p): Declare function.
549 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
550 * builtins.c. (apply_result_size): (Ditto.).
551 * combine.c. (likely_spilled_retval_p): (Ditto.).
552 * mode-switching.c. Include 'target.h'.
553 (create_pre_exit): Use function_value_regno_p hook.
554 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
555 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
556 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
558 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
559 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
560 (ix86_function_value_regno_p): Declare as static, change argument
561 type to const unsigned int.
562 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
564 2010-05-01 Richard Guenther <rguenther@suse.de>
566 PR tree-optimization/43949
567 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
569 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
571 2010-05-01 Anatoly Sokolov <aesok@post.ru>
573 * rtl.h (CONST_DOUBLE_P): Define.
574 (rtx_to_double_int): Declare.
575 * emit-rtl.c (rtx_to_double_int): New function.
576 * dwarf2out.c (insert_double): New function.
577 (loc_descriptor, add_const_value_attribute): Clean up, use
578 rtx_to_double_int and insert_double functions.
580 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
582 * doc/extend.texi (Inline): Add missing return keyword to examples.
583 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
586 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
588 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
589 the variable part of the offset as well. Use highest_pow2_factor for
590 all alignment checks.
592 2010-04-30 Richard Guenther <rguenther@suse.de>
594 PR tree-optimization/43879
595 * tree-ssa-structalias.c (type_could_have_pointers): Functions
598 2010-04-30 Jan Hubicka <jh@suse.cz>
600 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
602 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
604 2010-04-30 Jan Hubicka <jh@suse.cz>
606 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
608 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
609 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
610 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
611 cgraph_node_set_needs_ltrans_p): Remove.
613 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
615 * sdbout.c: Include vec.h, do not include varray.h.
616 (deferred_global_decls, sdbout_global_decl,
617 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
618 * toplev.c: Do not include varray.h.
619 (dump_memory_report): Do not dump VARRAY statistics.
620 * gengtype.c (open_base_file): Ignore varray.h.
621 * Makefile.in: Update for abovementioned changes.
622 Remove all traces of varray.c and varray.h.
623 * varray.c: Remove file.
624 * varray.h: Remove file.
626 2010-04-30 Jan Hubicka <jh@suse.cz>
628 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
631 2010-04-30 Jan Hubicka <jh@suse.cz>
633 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
636 2010-04-30 Richard Guenther <rguenther@suse.de>
638 * tree-ssa-structalias.c (get_constraint_for_1): Generate
639 constraints for CONSTRUCTOR.
641 2010-04-30 Richard Guenther <rguenther@suse.de>
644 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
645 first after all lowering passes.
647 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
649 * toplev.c: Include varray.h for statistics dumping.
650 * tree.h: Do not declare varray_head_tag.
651 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
652 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
653 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
654 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
655 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
656 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
657 c-common.c, c-common.h, reg-stack.c, basic-block.h,
658 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
660 * Makefile.in: Update for abovementioned changes.
662 2010-04-30 Jakub Jelinek <jakub@redhat.com>
665 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
667 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
669 * config/picochip/picochip.c (picochip_legitimize_address): Define.
670 Use this function to do machine-specific conversion.
671 (picochip_legitimize_reload_address): Likewise.
672 (picochip_legitimate_address_p): Check valid base register only if
674 (picochip_check_conditional_copy): Check for modw only if opnd is
676 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
677 to call the function in c.
678 * config/picochip/picochip-protos.h
679 (picochip_legitimize_reload_address): Define.
680 * config/picochip/picochip.md (supported_compare1): Define.
682 2010-04-30 Jan Hubicka <jh@suse.cz>
684 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
685 (cgraph_global_info): Remove inlined.
686 (LTO_cgraph_tag_names): Remove.
687 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
688 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
689 simplify cgraph tags and document.
690 (lto_output_node): Use only LTO_cgraph_unavail_node and
691 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
692 for_functions_valid, global info, process and output flags.
693 (input_overwrite_node): Initialize estimated stack size and
694 estimated growth. Do not read flags we no longer store.
695 (input_node): Likewise do not read info no longer stored.
696 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
699 2010-04-30 Richard Guenther <rguenther@suse.de>
701 PR tree-optimization/43879
702 * tree-ssa-structalias.c (get_constraint_for_1): Properly
703 handle non-zero initializers.
705 2010-04-30 Richard Guenther <rguenther@suse.de>
707 * builtins.c (fold_builtin_1): Delete free (0).
709 2010-04-29 Jan Hubicka <jh@suse.cz>
711 * gengtype.c (open_base_files): Add lto-streamer.h
712 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
713 (pass_ipa_cp): GGC collect.
714 * toplev. (compile_file): Do not output symbols.
715 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
716 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
717 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
718 * lto-section-in.c: Include ggc.h
719 (lto_new_in_decl_state): Alloc in GGC.
720 (lto_delete_in_decl_state): Likewise.
721 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
724 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
727 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
728 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
729 (HONOR_REG_ALLOC_ORDER): Describe new macro.
730 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
731 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
732 account only if HONOR_REG_ALLOC_ORDER is not defined.
733 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
734 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
736 2010-04-29 Jon Grant <04@jguk.org>
738 * collect2.c (vflag): Change type from int to bool.
740 (helpflag): New global bool.
741 (main): Set vflag and debug with boolean, not integer truth values.
742 Accept new "--help" option and output usage text if found.
743 * collect2.h (vflag): Update prototype.
746 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
749 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
751 2010-04-29 Richard Guenther <rguenther@suse.de>
754 * plugin.h (invoke_plugin_callbacks): Annotate arguments
755 with ATTRIBUTE_UNUSED.
757 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
760 * config/i386/i386.c (get_some_local_dynamic_name): Replace
761 INSN_P with NONDEBUG_INSN_P.
762 (distance_non_agu_define): Likewise.
763 (distance_agu_use): Likewise.
765 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
767 From Dominique d'Humieres <dominiq@lps.ens.fr>
769 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
772 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
774 * plugin.h (invoke_plugin_callbacks): New inline function.
775 * plugin.c (flag_plugin_added): New global flag.
776 (add_new_plugin): Initialize above flag.
777 (invoke_plugin_callbacks): Rename to ...
778 (invoke_plugin_callbacks_full): ... this.
780 2010-04-28 Jan Hubicka <jh@suse.cz>
782 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
783 (lto_varpool_replace_node): New.
784 (lto_symtab_resolve_symbols): Resolve varpool nodes.
785 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
786 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
787 * cgraph.h (varpool_node_ptr): New type.
788 (varpool_node_ptr): New vector.
789 (varpool_node_set_def): New structure.
790 (varpool_node_set): New type.
791 (varpool_node_set): New vector.
792 (varpool_node_set_element_def): New structure.
793 (varpool_node_set_element, const_varpool_node_set_element): New types.
794 (varpool_node_set_iterator): New type.
795 (varpool_node): Add prev pointers, add used_from_other_partition,
797 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
798 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
799 varpool_get_node, varpool_remove_node): Declare.
800 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
801 varpool_node_set_size): New inlines.
802 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
803 * tree-pass.h (varpool_node_set_def): Forward declare.
804 (ipa_opt_pass_d): Summary writting takes vnode sets too.
805 (ipa_write_optimization_summaries): Update prototype.
806 * ipa-cp.c (ipcp_write_summary): Update.
807 * ipa-reference.c (ipa_reference_write_summary): Update.
808 * lto-cgraph.c (lto_output_varpool_node): New static function.
809 (output_varpool): New function.
810 (input_varpool_node): New static function.
811 (input_varpool_1): New function.
812 (input_cgraph): Input varpool.
813 * ipa-pure-const.c (pure_const_write_summary): Update.
814 * lto-streamer-out.c (lto_output): Update, output varpool too.
815 (write_global_stream): Kill WPA hack.
816 (produce_asm_for_decls): Update.
817 (output_alias_pair_p): Handle variables.
818 (output_unreferenced_globals): Output only needed partition of varpool.
819 * ipa-inline.c (inline_write_summary): Update.
820 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
822 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
823 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
824 varpool_node_set_new, varpool_node_set_add,
825 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
826 debug_varpool_node_set): New functions.
827 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
828 (execute_one_pass): Process new decls too.
829 (ipa_write_summaries_2): Pass around vsets.
830 (ipa_write_summaries_1): Likewise.
831 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
833 (ipa_write_optimization_summaries_1): Pass around vsets.
834 (ipa_write_optimization_summaries): Likewise.
835 * varpool.c (varpool_get_node): New.
836 (varpool_node): Update doubly linked lists.
837 (varpool_remove_node): New.
838 (dump_varpool_node): More dumping.
839 (varpool_enqueue_needed_node): Update doubly linked lists.
840 (decide_is_variable_needed): Kill ltrans hack.
841 (varpool_finalize_decl): Kill lto hack.
842 (varpool_assemble_decl): Skip decls in other partitions.
843 (varpool_assemble_pending_decls): Update doubly linkes lists.
844 (varpool_empty_needed_queue): Likewise.
845 (varpool_extra_name_alias): Likewise.
846 * lto-streamer.c (lto_get_section_name): Add vars section.
847 * lto-streamer.h (lto_section_type): Update.
848 (output_varpool, input_varpool): Declare.
850 2010-04-28 Mike Stump <mikestump@comcast.net>
852 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
854 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
856 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
857 record or union type with RECORD_OR_UNION_TYPE_P predicate.
858 (lto_input_ts_type_tree_pointers): Likewise.
859 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
860 (lto_output_ts_type_tree_pointers): Likewise.
862 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
864 Uniquization of constants at the Tree level
865 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
866 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
868 (tree_output_constant_def): Declare.
869 * gimplify.c (gimplify_init_constructor): When using block copy, first
870 uniquize the constant constructor on the RHS.
871 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
872 DECL_IN_CONSTANT_POOL flag.
873 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
874 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
876 (assemble_variable): Deal with symbols belonging to the tree constant
878 (get_constant_section): Add ALIGN parameter and simplify.
879 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
880 (assemble_constant_contents): Use the expression of the VAR_DECL.
881 (output_constant_def_contents): Use the alignment of the VAR_DECL.
882 (tree_output_constant_def): New global function.
883 (mark_constant): Use the expression of the VAR_DECL.
884 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
886 (output_object_block): Likewise and assemble the expression.
888 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
890 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
891 hash_tree, eq_tree): New tree hash table.
892 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
893 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
894 lto_orig_address_remove): Reimplement.
896 2010-04-28 Xinliang David Li <davidxl@google.com>
899 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
900 (compute_uninit_opnds_pos): New function.
901 (is_non_loop_exit_postdominating): New function.
902 (compute_control_dep_chain): New function.
903 (find_pdom): New function.
904 (convert_control_dep_chain_into_preds): New function.
905 (find_predicates): New function.
906 (find_control_equiv_block): New function.
907 (collect_phi_def_edges): New function.
908 (find_def_preds): New function.
909 (find_dom): New function.
910 (dump_predicates): New function.
911 (get_cmp_code): New function.
912 (is_value_included_in): New function.
913 (find_matching_predicate_in_rest_chains): New function.
914 (use_pred_not_overlap_with_undef_path_pred): New function.
915 (is_use_properly_guarded): New function.
916 (normalize_cond_1): New function.
917 (is_and_or_or): New function.
918 (normalize_cond): New function.
919 (is_gcond_subset_of): New function.
920 (is_subset_of_any): New function.
921 (is_or_set_subset_of): New function.
922 (is_and_set_subset_of): New function.
923 (is_norm_cond_subset_of): New function.
924 (is_pred_expr_subset_of): New function.
925 (is_pred_chain_subset_of): New function.
926 (is_included_in): New function.
927 (is_superset_of): New function.
928 (find_uninit_use): New function.
929 (warn_uninitialized_phi): New function.
930 (compute_possibly_undefined_names): New function.
931 (ssa_undefined_value_p): New function.
932 (execute_late_warn_uninitialized): New function.
933 * tree-ssa.c (ssa_undefined_value_p): Removed.
934 (warn_uninit): Changed to extern.
935 (warn_uninitialized_phi): Removed.
936 (warn_uninitialized_vars): Changed to extern.
937 (execute_late_warn_uninitialized): Removed
938 * tree-flow.h: Add new prototypes.
939 * timevar.def: Add new time variable.
940 * Makefile.in: Add new build file.
942 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
944 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
947 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
950 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
952 2010-04-28 Martin Jambor <mjambor@suse.cz>
954 * cgraph.h (struct cgraph_node): New field indirect_calls.
955 (struct cgraph_indirect_call_info): New type.
956 (struct cgraph_edge): Removed field indirect_call. New fields
957 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
958 (cgraph_create_indirect_edge): Declare.
959 (cgraph_make_edge_direct): Likewise.
960 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
961 * ipa-prop.h (struct ipa_param_call_note): Removed.
962 (struct ipa_node_params): Removed field param_calls.
963 (ipa_create_all_structures_for_iinln): Declare.
964 * cgraph.c: Described indirect edges and uids in initial comment.
965 (cgraph_add_edge_to_call_site_hash): New function.
966 (cgraph_edge): Search also among the indirect edges, use
967 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
968 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
969 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
971 (initialize_inline_failed): Assign a reason to indirect edges.
972 (cgraph_create_edge_1): New function.
973 (cgraph_create_edge): Moved some functionality to
974 cgraph_create_edge_1.
975 (cgraph_create_indirect_edge): New function.
976 (cgraph_edge_remove_callee): Add an assert checking for
978 (cgraph_edge_remove_caller): Special-case indirect edges.
979 (cgraph_remove_edge): Likewise.
980 (cgraph_set_edge_callee): New function.
981 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
982 (cgraph_make_edge_direct): New function.
983 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
984 the declaration of the call statement matches.
985 (cgraph_node_remove_callees): Special-case indirect edges.
986 (cgraph_clone_edge): Likewise.
987 (cgraph_clone_node): Clone also the indirect edges.
988 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
989 indirect_call, dump count of indirect_calls edges.
990 * ipa-prop.c (iinlining_processed_edges): New variable.
991 (ipa_note_param_call): Create indirect edges instead of
992 creating notes. New parameter node.
993 (ipa_analyze_call_uses): New parameter node, pass it on to
995 (ipa_analyze_stmt_uses): Likewise.
996 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
997 (print_edge_addition_message): Work on edges rather than on notes.
998 (update_call_notes_after_inlining): Likewise, renamed to
999 update_indirect_edges_after_inlining.
1000 (ipa_create_all_structures_for_iinln): New function.
1001 (ipa_free_node_params_substructures): Do not free notes.
1002 (ipa_edge_duplication_hook): Propagate bits within
1003 iinlining_processed_edges bitmap.
1004 (ipa_node_duplication_hook): Do not duplicate notes.
1005 (free_all_ipa_structures_after_ipa_cp): Renamed to
1006 ipa_free_all_structures_after_ipa_cp.
1007 (free_all_ipa_structures_after_iinln): Renamed to
1008 ipa_free_all_structures_after_iinln.g
1009 (ipa_write_param_call_note): Removed.
1010 (ipa_read_param_call_note): Removed.
1011 (ipa_write_indirect_edge_info): New function.
1012 (ipa_read_indirect_edge_info): Likewise.
1013 (ipa_write_node_info): Do not stream notes, do stream information
1015 (ipa_read_node_info): Likewise.
1016 (lto_ipa_fixup_call_notes): Removed.
1017 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1018 * ipa-inline.c (pass_ipa_inline): Likewise.
1019 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1020 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1021 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1023 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1025 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1026 (output_cgraph): Stream also indirect edges.
1027 (lto_output_edge): Added capability to stream indirect edges.
1028 (input_edge): Likewise.
1029 (input_cgraph_1): Likewise.
1030 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1033 2010-04-28 Richard Guenther <rguenther@suse.de>
1035 PR tree-optimization/43879
1036 PR tree-optimization/43909
1037 * tree-ssa-structalias.c (struct variable_info): Add
1038 only_restrict_pointers flag.
1039 (new_var_info): Initialize it. Increment stats.total_vars here.
1040 (create_function_info_for): Do not increment stats.total_vars
1042 (get_function_part_constraint): Fix build with C++.
1043 (insert_into_field_list): Remove.
1044 (push_fields_onto_fieldstack): Properly merge fields.
1045 (create_variable_info_for): Split and simplify.
1046 (create_variable_info_for_1): New piece.
1047 (intra_create_variable_infos): Properly make restrict constraints
1050 2010-04-28 Richard Guenther <rguenther@suse.de>
1053 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1055 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1056 Jan Hubicka <hubicka@ucw.cz>
1058 * doc/invoke.texi (-Wsuggest-attribute=const,
1059 -Wsuggest-attribute=pure): Document.
1060 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1061 (function_always_visible_to_compiler_p,
1062 suggest_attribute, warn_function_pure, warn_function_const):
1064 (check_call): Improve debug info.
1065 (analyze_function): Do not check availability.
1066 (add_new_function): Check availability.
1067 (propagate): Output warnings.
1068 (skip_function_for_local_pure_const): New function.
1069 (local_pure_const): Use it; output warnings.
1070 * common.opt (Wsuggest-attribute=const,
1071 Wsuggest-attribute=pure): New.
1073 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1075 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1076 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1077 or DW_CFA_def_cfa_offset{,_sf}.
1079 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1081 * tree.h: Fix truncated long macros.
1083 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1085 * collect2.c (TARGET_64BIT): Redefine to target's default.
1086 * tlink.c: Likewise.
1087 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1088 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1089 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1090 for underscoring __USER_LABEL_PREFIX__.
1091 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1092 (SUB_LINK_ENTRY32): New.
1093 (SUB_LINK_ENTRY64): New.
1094 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1095 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1096 (SUB_LINK_ENTRY64): New.
1097 (SUB_LINK_ENTRY): New.
1098 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1099 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1100 x64 target is choosen.
1101 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1102 * configure: Regenerated.
1103 * configure.ac (leading-mingw64-underscores): Option added.
1105 2010-04-27 Jan Hubicka <jh@suse.cz>
1107 * doc/invoke.texi (-fipa-profile): Document.
1108 * opts.c (decode_options): Enable ipa-profile at -O1.
1109 * timevar.def (TV_IPA_PROFILE): Define.
1110 * common.opt (fipa-profile): Add.
1111 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1113 (cgraph_propagate_frequency): Handle only local ones.
1114 * tree-pass.h (pass_ipa_profile): Declare.
1115 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1116 (pass_ipa_profile): Use TV_IPA_PROFILE.
1117 * ipa.c (ipa_profile): New function.
1118 (gate_ipa_profile): Likewise.
1119 (pass_ipa_profile): New global variable.
1120 * passes.c (pass_ipa_profile): New.
1122 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1124 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1126 2010-04-27 Martin Jambor <mjambor@suse.cz>
1129 * ipa.c (dissolve_same_comdat_group_list): New function.
1130 (function_and_variable_visibility): Call
1131 dissolve_same_comdat_group_list when comdat group contains external or
1133 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1134 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1136 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1138 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1139 (const_hash_1) <VECTOR_CST>: New case.
1140 (compare_constant) <VECTOR_CST>: Likewise.
1141 <ADDR_EXPR>: Deal with LABEL_REFs.
1142 (copy_constant) <VECTOR_CST>: New case.
1144 2010-04-27 Jan Hubicka <jh@suse.cz>
1146 * cgraph.c (cgraph_propagate_frequency): New function.
1147 * cgraph.h (cgraph_propagate_frequency): Declare.
1148 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1149 cgraph_propagate_frequency.
1151 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1153 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1155 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1158 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1159 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1160 here to determine which regs to push and how much stack to reserve.
1162 2010-04-27 Jie Zhang <jie@codesourcery.com>
1164 * doc/gimple.texi (gimple_statement_with_ops): Remove
1165 addresses_taken field.
1166 (gimple_statement_with_memory_ops): Likewise.
1168 2010-04-27 Jan Hubicka <jh@suse.cz>
1170 * tree-inline.c (eni_inlining_weights): Remove.
1171 (estimate_num_insns): Special case more builtins.
1173 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1176 * c-typeck.c (build_binary_op): Move forward check for comparison
1177 pointer with null pointer constant and adjust the diagnostic message.
1179 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1182 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1183 binutils supports extended .section directive needed by LTO, or
1184 warn if older binutils found.
1185 (LTO_BINARY_READER): New AC_SUBST'd variable.
1186 (LTO_USE_LIBELF): Likewise.
1187 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1189 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1190 (LTO_USE_LIBELF): Likewise.
1191 * configure: Regenerate.
1193 * collect2.c (is_elf): Rename from this ...
1194 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1195 object files in addition to ELF-formatted ones.
1196 (scan_prog_file): Caller updated. Also allow for LTO info marker
1197 symbol to be prefixed or not by an extra underscore.
1199 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1200 * config/i386/winnt.c: Also #include lto-streamer.h
1201 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1203 (i386_pe_asm_output_aligned_decl_common): Add comment.
1204 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1206 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1209 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1210 Add missing earlyclobber for second alternative.
1212 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1214 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1215 bits for artificial defs at the top of the block.
1216 * fwprop.c (single_def_use_enter_block): Don't call it.
1218 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1221 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1222 instead of "$gcc_cv_objdump -T".
1223 Use "-undefined dynamic_lookup" on darwin.
1224 * gcc/configure: Regenerate.
1226 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1229 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1231 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1233 * c-parser.c (struct c_token): Move location field up.
1234 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1235 (struct c_declspecs): Convert typespec_word, storage_class, and
1236 default_int_p into bitfields.
1237 (struct c_declarator): Move loc field up.
1239 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1241 * cfgloop.h (struct loop): Move can_be_parallel field up.
1242 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1243 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1245 (struct iv_cand): Convert pos field into a bitfield.
1246 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1248 (struct _stmt_vec_info): Shuffle fields for better packing.
1250 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1252 * varasm.c (IN_NAMED_SECTION): Remove guard.
1253 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1254 (IN_NAMED_SECTION_P): ...this.
1255 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1256 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1258 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1260 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1261 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1262 of shadowing it. Fix comments.
1264 2010-04-26 Jan Hubicka <jh@suse.cz>
1266 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1267 (cgraph_clone_node): Copy function frequency.
1268 * cgraph.h (node_frequency): New enum
1269 (struct cgraph_node): Add.
1270 * final.c (rest_of_clean_state): Update.
1271 * lto-cgraph.c (lto_output_node): Output node frequency.
1272 (input_overwrite_node): Input node frequency.
1273 * tre-ssa-loop-ivopts (computation_cost): Update.
1274 * lto-streamer-out.c (output_function): Do not output function
1276 * predict.c (maybe_hot_frequency_p): Update and handle functions
1278 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1280 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1281 (compute_function_frequency): Set noreturn functions to be executed
1283 (choose_function_section): Update.
1284 * lto-streamer-in.c (input_function): Do not input function frequency.
1285 * function.c (allocate_struct_function): Do not initialize function
1287 * function.h (function_frequency): Remove.
1288 (struct function): Remove function frequency.
1289 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1290 (try_update): Update.
1291 * tree-inline.c (initialize_cfun): Do not update function frequency.
1292 * passes.c (pass_init_dump_file): Update.
1293 * i386.c (ix86_compute_frame_layout): Update.
1294 (ix86_pad_returns): Update.
1296 2010-04-26 Jie Zhang <jie@codesourcery.com>
1298 PR tree-optimization/43833
1299 * tree-vrp.c (range_int_cst_p): New.
1300 (range_int_cst_singleton_p): New.
1301 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1302 when both operands are constants. Use range_int_cst_p in
1305 2010-04-26 Jan Hubicka <jh@suse.cz>
1307 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1309 2010-04-26 Richard Guenther <rguenther@suse.de>
1312 * gimple.c (gimple_decl_printable_name): Deal gracefully
1313 with a NULL DECL_NAME.
1315 2010-04-26 Richard Guenther <rguenther@suse.de>
1318 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1319 if emitting debug information and it is either a function
1320 or a namespace decl.
1322 2010-04-26 Ira Rosen <irar@il.ibm.com>
1324 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1325 determine if the statement is vectorizable, and a macro to access it.
1326 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1327 Skip statements that can't be vectorized. If the analysis fails,
1328 mark the statement as unvectorizable if vectorizing basic block.
1329 (vect_compute_data_refs_alignment): Likewise.
1330 (vect_verify_datarefs_alignment): Skip statements marked as
1331 unvectorizable. Add print.
1332 (vect_analyze_group_access): Skip statements that can't be
1333 vectorized. If the analysis fails, mark the statement as
1334 unvectorizable if vectorizing basic block.
1335 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1336 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1337 generated stmts for SLP.
1338 (new_stmt_vec_info): Initialize the new field.
1339 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1340 statements marked as unvectorizable.
1342 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1344 * c-common.c (flag_isoc1x): New.
1345 (flag_isoc99): Update comment.
1346 * c-common.h (flag_isoc1x): New.
1347 (flag_isoc99): Update comment.
1348 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1349 __<type>_DECIMAL_DIG__.
1350 * c-opts.c (set_std_c1x): New.
1351 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1352 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1353 * c.opt (-std=c1x, -std=gnu1x): New options.
1354 * doc/cpp.texi: Mention -std=c1x.
1355 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1356 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1357 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1358 * doc/standards.texi: Mention C1X.
1359 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1360 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1361 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1364 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1366 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1367 placeholder from 0x%x to %#x.
1368 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1369 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1370 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1371 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1372 * config/i386/i386.c (ix86_target_string): Ditto.
1373 (output_pic_addr_const): Ditto.
1374 (print_operand): Ditto.
1376 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1378 * combine.c (find_split_point): Add third argument. Use it
1379 to find nested multiply-accumulate instructions. Adjust calls.
1380 (try_combine): Adjust call to find_split_point.
1382 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1384 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1386 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1388 PR tree-optimization/41442
1389 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1390 (fold_binary_loc): Call it.
1392 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1394 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1395 * opts.c (common_handle_option): Allow disabling it.
1396 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1398 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1400 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1401 between modes if both types are integral.
1403 2010-04-23 Richard Guenther <rguenther@suse.de>
1405 PR tree-optimization/43572
1406 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1408 2010-04-23 Richard Guenther <rguenther@suse.de>
1411 * tree-inline.c (tree_can_inline_p): Also check compatibility
1414 2010-04-23 Martin Jambor <mjambor@suse.cz>
1416 PR tree-optimization/43846
1417 * tree-sra.c (struct access): New flag grp_assignment_read.
1418 (build_accesses_from_assign): Set grp_assignment_read.
1419 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1420 (enum mark_read_status): New type.
1421 (analyze_access_subtree): Propagate grp_assignment_read, create
1422 accesses also if both direct_read and root->grp_assignment_read.
1424 2010-04-23 Martin Jambor <mjambor@suse.cz>
1427 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1428 function does not have type attributes.
1430 2010-04-23 Richard Guenther <rguenther@suse.de>
1433 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1436 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1438 * sese.h (create_if_region_on_edge): Remove.
1440 * sese.c (create_if_region_on_edge): Make static.
1442 * tree-inline.c: Do not include ggc.h.
1444 * expr.c: Do not include ggc.h.
1446 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1449 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1452 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1453 in the middle of insns for casesi_worker_2.
1455 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1457 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1459 2010-04-22 Ira Rosen <irar@il.ibm.com>
1461 PR tree-optimization/43842
1462 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1463 loop unrolling in update of exit phis. Fix comment.
1464 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1465 least two reduction statements in the loop before starting SLP
1468 2010-04-22 Nick Clifton <nickc@redhat.com>
1470 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1472 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1474 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1477 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1479 * tree-parloops.c (loop_parallel_p): New argument
1480 parloop_obstack. Pass it down.
1481 (parallelize_loops): New variable parloop_obstack. Initialize it,
1482 pass it down, free it.
1484 * tree-loop-linear.c (linear_transform_loops): Pass down
1487 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1488 of type struct obstack *.
1490 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1491 scratch_obstack. Initialize it, pass down, free it.
1493 * lambda.h (lambda_loop_new): Remove.
1494 (lambda_matrix_new, lambda_matrix_inverse)
1495 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1496 argument of type struct obstack *.
1498 * lambda-trans.c (lambda_trans_matrix_new): New argument
1499 lambda_obstack. Pass it down, use obstack allocation for ret.
1500 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1503 * lambda-mat.c (lambda_matrix_get_column)
1504 (lambda_matrix_project_to_null): Remove.
1505 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1507 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1510 * lambda-code.c (lambda_loop_new): New function.
1511 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1512 (lambda_compute_auxillary_space, lambda_compute_target_space)
1513 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1514 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1515 (build_access_matrix): New argument lambda_obstack. Use obstack
1517 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1518 argument lambda_obstack. Pass it down.
1520 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1522 * optabs.h (expand_widening_mult): Declare.
1524 2010-04-22 Richard Guenther <rguenther@suse.de>
1526 PR tree-optimization/43845
1527 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1528 lookup the CALL_EXPR function and arguments.
1530 2010-04-22 Nick Clifton <nickc@redhat.com>
1532 * config/stormy16/stormy16.c
1533 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1534 * config/stormy16/stormy16.h: Tidy up formatting.
1535 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1536 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1537 (ineqbranchsi): Delete pattern.
1538 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1539 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1540 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1541 stormy16-lib2-ucmpsi2.c.
1543 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1545 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1546 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1547 extra set merge_set_noclobber, and use it to relax the final test
1549 * df.h (df_simulate_find_noclobber_defs): Declare.
1550 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1552 (df_simulate_find_noclobber_defs): New function.
1554 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1556 * config/i386/i386.md: Use {} around multi-line preparation statements.
1558 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1560 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1561 (process_init_element): New argument of type struct obstack *.
1563 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1564 (set_init_index, set_init_label, set_nonincremental_init)
1565 (set_nonincremental_init_from_string, find_init_member)
1566 (output_init_element, output_pending_init_elements)
1567 (process_init_element): New argument braced_init_obstack. Pass it
1569 (push_range_stack, add_pending_init): New argument
1570 braced_init_obstack. Use obstack allocation.
1572 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1573 braced_init_obstack. Pass it down.
1574 (c_parser_braced_init): New variables ret, braced_init_obstack.
1575 Initialize obstack, pass it down and finally free it.
1577 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1580 * tree-pass.h (pass_optimize_widening_mul): Declare.
1581 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1582 gate_optimize_widening_mul): New static functions.
1583 (pass_optimize_widening_mul): New.
1584 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1585 <case MULT_EXPR>: Remove support for widening multiplies.
1586 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1587 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1588 simplify_gen_unary rather than directly building extensions.
1589 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1591 * expmed.c (expand_widening_mult): New function.
1592 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1594 2010-04-21 Jan Hubicka <jh@suse.cz>
1596 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1597 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1598 * lto-wpa-fixup.c: Remove.
1599 * Makefile.in (lto-wpa-fixup.o): Remove.
1600 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1601 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1602 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1604 2010-04-21 Jan Hubicka <jh@suse.cz>
1606 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1607 add write_optimization_summary, read_optimization_summary.
1608 (ipa_write_summaries_of_cgraph_node_set): Remove.
1609 (ipa_write_optimization_summaries): Declare.
1610 (ipa_read_optimization_summaries): Declare.
1611 * ipa-cp.c (pass_ipa_cp): Update.
1612 * ipa-reference.c (pass_ipa_reference): Update.
1613 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1614 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1616 * ipa-inline.c (pass_ipa_inline): Update.
1617 * ipa.c (pass_ipa_whole_program): Update.
1618 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1619 * passes.c (ipa_write_summaries_1): Do not test wpa.
1620 (ipa_write_optimization_summaries_1): New.
1621 (ipa_write_optimization_summaries): New.
1622 (ipa_read_summaries): Do not test ltrans.
1623 (ipa_read_optimization_summaries_1): New.
1624 (ipa_read_optimization_summaries): New.
1626 2010-04-21 Jan Hubicka <jh@suse.cz>
1628 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1630 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1632 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1635 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1636 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1638 2010-04-21 Jan Hubicka <jh@suse.cz>
1640 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1642 2010-04-21 Jan Hubicka <jh@suse.cz>
1644 * varpool.c (decide_is_variable_needed): Variable is always needed
1647 2010-04-21 Jan Hubicka <jh@suse.cz>
1649 * opts.c (decode_options): Enable pure-const pass for whopr.
1651 2010-04-21 Jan Hubicka <jh@suse.cz>
1653 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1654 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1656 (cgraph_decide_inlining): Do not expect callee to be removed in all
1659 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1661 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1663 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1665 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1666 amdfam10_decode attributes.
1668 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1671 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1672 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1673 (lower_copyprivate_clauses): Use private var in outer
1674 context instead of original var. Make sure the types
1675 are correct for VLAs.
1677 2010-04-21 Richard Guenther <rguenther@suse.de>
1679 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1680 to non-pointer objects.
1682 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1684 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1685 last chain entry if it starts with the still current label.
1686 (add_location_or_const_value_attribute): Check that
1687 loc_list->first->next is NULL instead of comparing ->first with ->last.
1688 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1689 to add_var_loc_to_decl.
1691 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1692 >= 4 add also address size and segment size fields into CIE header.
1694 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1695 long as address size is the same as sizeof (void *) and
1697 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1698 address size or segment size is unexpected, return DW_EH_PE_omit.
1699 (classify_object_over_fdes): If get_cie_encoding returned
1700 DW_EH_PE_omit, return -1.
1701 (init_object): If classify_object_over_fdes returned -1,
1702 pretend there were no FDEs at all.
1704 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1706 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1707 bswap{si,di}2 using SWI48 mode iterator.
1708 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1709 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1710 set modrm attribute of bswap insn to 0 and remove length attribute.
1711 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1712 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1713 set mode attribute to <MODE> and remove length attribute.
1715 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1717 PR rtl-optimization/43520
1718 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1719 zero available registers.
1721 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1723 * builtins.c (fold_builtin_cproj): Fold more cases.
1725 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1727 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1728 (fold_builtin_1): Fold builtin cproj.
1729 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1730 Use ATTR_CONST_NOTHROW_LIST.
1732 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1734 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1735 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1736 ffsi2_no_cmove for !TARGET_CMOVE.
1737 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1738 (ffssi2): Remove expander.
1739 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1741 (ctz<mode>2): Ditto from ctz{si,di}2.
1742 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1744 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1747 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1749 * dwarf2out.c (AT_linkage_name): Define.
1750 (clone_as_declaration): Handle DW_AT_linkage_name.
1751 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1752 of DW_AT_MIPS_linkage_name.
1753 (move_linkage_attr): Likewise.
1754 (dwarf2out_finish): Likewise.
1756 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1759 * fold-const.c (fold_comparison): New folding rule.
1761 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1763 * double-int.h (double_int_setbit): Declare.
1764 * double-int.c (double_int_setbit): New function.
1765 * rtl.h (immed_double_int_const): Declare.
1766 * emit-rtl.c (immed_double_int_const): New function.
1767 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1768 and immed_double_int_const functions.
1769 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1770 expand_copysign_bit): (Ditto.).
1771 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1772 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1773 * dojump.c (prefer_and_bit_test): (Ditto.).
1774 * expr.c (convert_modes, reduce_to_bit_field_precision,
1775 const_vector_from_tree): (Ditto.).
1776 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1778 2010-04-20 Jan Hubicka <jh@suse.cz>
1780 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1781 (dump_cgraph_node): Dump new flags.
1782 * cgraph.h (struct cgraph_node): Add flags
1783 reachable_from_other_partition and in_other_partition.
1784 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1785 other partition can not be removed.
1786 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1787 the other partition must be output; silence sanity checking on
1788 leaking functions bodies from other paritition.
1789 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1790 (lto_output_node): Output new flags; do not sanity check that inline
1791 clones are output; drop lto_forced_extern_inline_p code; do not mock
1792 visibility flags at partition boundaries.
1793 (add_node_to): New function.
1794 (output_cgraph): Use it to sort functions so masters appear before
1796 (input_overwrite_node): Input new flags.
1797 * passes.c (ipa_write_summaries): Do not call
1798 lto_new_extern_inline_states.
1799 * lto-section-out.c (forced_extern_inline,
1800 lto_new_extern_inline_states lto_delete_extern_inline_states,
1801 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1802 * lto-streamer.h (lto_new_extern_inline_states,
1803 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1804 lto_forced_extern_inline_p): Kill.
1806 2010-04-20 Richard Guenther <rguenther@suse.de>
1808 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1809 from vars that can have pointers.
1810 (process_constraint): Dump useless constraints.
1812 2010-04-20 Richard Guenther <rguenther@suse.de>
1814 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1815 (dump_sa_points_to_info): Remove asserts.
1816 (init_base_vars): nothing_id isn't an escape point nor does it
1819 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1821 * tree.h (TYPE_REF_IS_RVALUE): Define.
1822 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1823 should_move_die_to_comdat, prune_unused_types_walk): Handle
1824 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1825 (modified_type_die, gen_reference_type_die): Emit
1826 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1827 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1829 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1832 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1833 calls for -fpic -m31 if they have been sibcall optimized.
1835 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1837 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1838 ar.lc fixed and call-used.
1840 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1842 2010-04-19 Jan Hubicka <jh@suse.cz>
1844 * opts.c (decode_options): Disable whpr incompatible passes.
1845 * lto/lto.c (lto_1_to_1_map): Skip clones.
1846 (read_cgraph_and_symbols): Do not mark everything as needed.
1847 (do_whole_program_analysis): Do map only after optimizing;
1848 set proper cgraph_state; use passmanager.
1850 2010-04-19 DJ Delorie <dj@redhat.com>
1852 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1853 POINTER_PLUS_EXPR and fix them.
1855 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1857 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1858 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1859 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1860 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1861 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1862 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1863 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1864 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1865 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1866 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1867 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1869 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1871 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1872 (check_cond_move_block): Likewise.
1873 (cond_move_process_if_block): Likewise.
1874 (noce_find_if_block): Improve formatting.
1875 (find_if_header): Pass 0 to memset and tweak conditions.
1876 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1878 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1880 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1884 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1885 with non-local decl doesn't need chain.
1887 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1889 * ira-color.c (allocno_reload_assign): Avoid accumulating
1890 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1892 2010-04-19 Martin Jambor <mjambor@suse.cz>
1894 * gimple.h (create_tmp_reg): Declare.
1895 * gimplify.c (create_tmp_reg): New function.
1896 (gimplify_return_expr): Use create_tmp_reg.
1897 (gimplify_omp_atomic): Likewise.
1898 (gimple_regimplify_operands): Likewise.
1899 * tree-dfa.c (make_rename_temp): Likewise.
1900 * tree-predcom.c (predcom_tmp_var): Likewise.
1901 (reassociate_to_the_same_stmt): Likewise.
1902 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1903 (get_replaced_param_substitute): Likewise.
1904 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1905 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1906 * tree-ssa-pre.c (get_representative_for): Likewise.
1907 (create_expression_by_pieces): Likewise.
1908 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1909 (create_tailcall_accumulator): Likewise.
1911 2010-04-19 Martin Jambor <mjambor@suse.cz>
1913 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1915 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1917 2010-04-19 Richard Guenther <rguenther@suse.de>
1919 PR tree-optimization/43796
1920 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1921 from SCEV in the lattice.
1922 (vrp_visit_phi_node): Dump change.
1924 2010-04-19 Richard Guenther <rguenther@suse.de>
1926 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1927 * configure: Re-generated.
1929 2010-04-19 Richard Guenther <rguenther@suse.de>
1931 PR tree-optimization/43783
1932 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1933 constant ARRAY_REF operands two and three if possible.
1935 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1938 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1940 2010-04-19 Jie Zhang <jie@codesourcery.com>
1943 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1945 2010-04-19 Ira Rosen <irar@il.ibm.com>
1947 PR tree-optimization/37027
1948 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1949 and macro to access it.
1950 (vectorizable_reduction): Add argument.
1951 (vect_get_slp_defs): Likewise.
1952 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1953 statements for possible use in SLP.
1954 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1955 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1956 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1958 (vectorizable_reduction): Likewise.
1959 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1961 (vectorizable_type_demotion, vectorizable_type_promotion,
1962 vectorizable_store): Likewise.
1963 (vect_analyze_stmt): Update call to vectorizable_reduction.
1964 (vect_transform_stmt): Likewise.
1965 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1966 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1967 from different interleaving chains in same node.
1968 (vect_slp_rearrange_stmts): New function.
1969 (vect_supported_load_permutation_p): Allow load permutations for
1970 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1971 inside SLP nodes if necessary.
1972 (vect_analyze_slp_instance): Handle reductions.
1973 (vect_analyze_slp): Try to build SLP instances originating from groups
1975 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1976 (vect_get_constant_vectors): Create initial vectors for reductions
1977 according to reduction code. Add new argument.
1978 (vect_get_slp_defs): Add new argument, pass it to
1979 vect_get_constant_vectors.
1980 (vect_schedule_slp_instance): Remove SLP tree root statements.
1982 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1984 * tree.h (ENUM_IS_SCOPED): Define.
1985 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1986 for ENUM_IS_SCOPED enums.
1988 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1990 * fold-const.c (fold_comparison): Use ssizetype.
1991 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1992 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1993 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1994 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1996 * tree.h (initialize_sizetypes): Remove parameter.
1997 (build_common_tree_nodes): Remove second parameter.
1998 * stor-layout.c (initialize_sizetypes): Remove parameter.
1999 Always create an unsigned type.
2000 (set_sizetype): Assert that the passed type is unsigned and simplify.
2001 * tree.c (build_common_tree_nodes): Remove second parameter.
2002 Adjust call to initialize_sizetypes.
2003 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2004 build_common_tree_nodes.
2006 2010-04-18 Matthias Klose <doko@ubuntu.com>
2008 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2010 2010-04-18 Ira Rosen <irar@il.ibm.com>
2012 PR tree-optimization/43771
2013 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2014 load permutation doesn't have gaps.
2016 2010-04-18 Jan Hubicka <jh@suse.cz>
2018 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2019 (sse_prologue_save_insn expander): Use new pattern.
2020 (sse_prologue_save_insn1): New pattern and splitter.
2021 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2023 * i386.c (setup_incoming_varargs_64): Do not compute jump
2025 (ix86_gimplify_va_arg): Update alignment needed.
2026 (ix86_local_alignment): Do not align all local arrays to 128bit.
2028 2010-04-17 Jan Hubicka <jh@suse.cz>
2030 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2032 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2034 * arm.md (negdi2): Remove redundant code to force values into a
2037 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2039 * arm/bpabi.S: Add EABI alignment attributes to objects.
2040 * arm/bpabi-v6m.S: Likewise.
2041 * arm/crti.asm: Likewise.
2042 * arm/crtn.asm: Likewise.
2043 * arm/lib1funcs.asm: Likewise.
2044 * arm/libunwind.S: Likewise.
2046 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2048 * arm-protos.h (tune_params): New structure.
2049 * arm.c (current_tune): New variable.
2050 (arm_constant_limit): Delete.
2051 (struct processors): Add pointer to the tune parameters.
2052 (arm_slowmul_tune): New tuning option.
2053 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2054 (all_cores): Adjust to pick up the tuning model.
2055 (arm_constant_limit): New function.
2056 (arm_override_options): Select the appropriate tuning model. Delete
2057 initialization of arm_const_limit.
2058 (arm_split_constant): Use the new constant-limit model.
2059 (arm_rtx_costs): Pick up the current tuning model.
2060 * arm.md (is_strongarm, is_xscale): Delete.
2061 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2062 for Xscale variant architectures.
2063 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2065 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2067 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2069 (arm_rtx_costs_1): Remove unused variable extra_cost.
2070 (arm_unwind_emit_set): Use variable offset.
2071 (thumb1_output_casesi): Remove unused variable flags.
2073 2010-04-16 Jeff Law <law@redhat.com>
2075 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2076 needing assignment rather than doing a two-phase assignment. Remove
2077 unused variable 'm'.
2079 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2082 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2084 2010-04-16 Doug Kwan <dougkwan@google.com>
2086 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2087 (next_operand_entry_id): New static variable.
2088 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2089 (add_to_ops_vec): Assigned unique ID to operand entry.
2090 (struct oecount_s): New field ID.
2091 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2092 (undistribute_ops_list): Assign unique IDs to oecounts.
2093 (init_reassoc): reset next_operand_entry_id.
2095 2010-04-16 Doug Kwan <dougkwan@google.com>
2097 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2098 missing left parenthesis.
2100 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2102 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2103 *btdi_rex64 using SWI48 mode iterator.
2104 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2105 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2106 *jcc_btdi_mask_rex64.
2108 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2110 * double-int.h (tree_to_double_int): Convert to macro.
2111 * double-int.c (tree_to_double_int): Remove.
2113 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2116 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2117 with want_address 2 and in case a single element list might be
2118 possible, call it again with want_address 0.
2120 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2122 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2123 case 'W' print operands for HI mode.
2124 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2125 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2126 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2127 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2129 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2131 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2132 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2133 #xx:3 and #xx:4 mode.
2135 * config/h8300/h8300.md (inverted load with HImode dest): Add
2136 support for H8300SX.
2138 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2139 satisfy 'U' constraint.
2141 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2143 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2144 * configure: Regenerate.
2145 * config.in: Regenerate.
2146 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2149 2010-04-16 Richard Guenther <rguenther@suse.de>
2151 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2152 (struct tree_decl_common): ... here.
2153 (DECL_PT_UID): Adjust.
2154 (SET_DECL_PT_UID): Likewise.
2155 (DECL_PT_UID_SET_P): Likewise.
2157 2010-04-16 Richard Guenther <rguenther@suse.de>
2159 PR tree-optimization/43572
2160 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2161 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2162 * tree-flow.h (is_call_clobbered): Remove.
2163 * tree-flow-inline.h (is_call_clobbered): Likewise.
2164 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2165 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2166 (execute_return_slot_opt): Adjust.
2167 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2168 check for call clobbered vars here.
2169 (find_tail_calls): Move tailcall verification to the
2172 2010-04-16 Diego Novillo <dnovillo@google.com>
2174 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2176 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2179 * config/arm/arm.md (cbranchqi4): New pattern.
2180 * config/arm/predicates.md (const0_operand,
2181 cbranchqi4_comparison_operator): New predicates.
2183 2010-04-16 Richard Guenther <rguenther@suse.de>
2185 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2186 (dump_gimple_stmt): Likewise.
2188 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2190 * recog.h (struct recog_data): New field is_operator.
2191 (struct insn_operand_data): New field is_operator.
2192 * recog.c (extract_insn): Set recog_data.is_operator.
2193 * genoutput.c (output_operand_data): Emit code to set the
2195 * reload.c (find_reloads): Use it rather than testing for an
2196 empty constraint string.
2199 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2200 If the previous insn is a cbranchsi4_insn with the same arguments,
2201 omit the compare instruction.
2203 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2204 register, inputs must be low registers and we need a low register
2205 scratch. Handle alternative 2 like alternative 3.
2207 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2209 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2210 don't call get_addr on both. If one expression is a VALUE and
2211 the other a REG, check VALUE's locs if the REG isn't among them.
2213 2010-04-16 Christian Bruel <christian.bruel@st.com>
2215 * config/sh/sh.h (sh_frame_pointer_required): New function.
2216 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2217 (flag_omit_frame_pointer) Set.
2218 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2219 (rounded_frame_size): Adjust size with outgoing_args_size.
2220 (sh_set_return_address): Must return from stack pointer.
2221 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2222 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2223 (ACCUMULATE_OUTGOING_ARGS): Define.
2224 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2225 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2227 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2230 * config/sh/sh.c (sh_legitimize_reload_address): Use
2231 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2232 Remove a unneeded check for offset_base.
2234 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2236 * configure: Regenerated.
2238 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2240 * config/s390/s390.c (s390_call_save_register_used): Switch back
2241 to HARD_REGNO_NREGS.
2243 2010-04-15 Richard Guenther <rguenther@suse.de>
2245 * alias.c (alias_set_subset_of): Handle alias-set zero
2248 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2249 Julian Brown <julian@codesourcery.com>
2251 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2252 alternatives according to use of high and low regs.
2253 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2254 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2255 optimizing for size on Thumb-2.
2257 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2259 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2261 2010-04-15 Richard Guenther <rguenther@suse.de>
2263 * tree-ssa-structalias.c (struct variable_info): Add
2265 (new_var_info): Initialize it.
2266 (dump_constraints): Support printing last added constraints.
2267 (debug_constraints): Adjust.
2268 (dump_constraint_graph): Likewise.
2269 (make_heapvar_for): Check for NULL cfun.
2270 (get_function_part_constraint): New function.
2271 (get_fi_for_callee): Likewise.
2272 (find_func_aliases): Properly implement IPA PTA constraints.
2273 (process_ipa_clobber): New function.
2274 (find_func_clobbers): Likewise.
2275 (insert_into_field_list_sorted): Remove.
2276 (create_function_info_for): Properly allocate vars for IPA mode.
2277 Do not use insert_into_field_list_sorted.
2278 (create_variable_info_for): Properly generate constraints for
2279 global vars in IPA mode.
2280 (dump_solution_for_var): Always dump the solution.
2281 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2282 (find_what_var_points_to): Adjust.
2283 (pt_solution_set): Change.
2284 (pt_solution_ior_into): New function.
2285 (pt_solution_empty_p): Export.
2286 (pt_solution_includes_global): Adjust.
2287 (pt_solution_includes_1): Likewise.
2288 (pt_solutions_intersect_1): Likewise.
2289 (dump_sa_points_to_info): Check some invariants.
2290 (solve_constraints): Move constraint dumping ...
2291 (compute_points_to_sets): ... here.
2292 (ipa_pta_execute): ... and here.
2293 (compute_may_aliases): Do not re-compute points-to info
2294 locally if IPA info is available.
2295 (ipa_escaped_pt): New global var.
2296 (ipa_pta_execute): Properly implement IPA PTA.
2297 * tree-into-ssa.c (dump_decl_set): Support dumping
2298 decls not in referenced-vars.
2299 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2300 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2301 (dump_points_to_solution): Likewise.
2302 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2303 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2304 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2305 (copy_decl_to_var): Copy DECL_PT_UID.
2306 (copy_result_decl_to_var): Likewise.
2307 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2308 (copy_node_stat): Copy it.
2309 * tree.h (DECL_PT_UID): New macro.
2310 (SET_DECL_PT_UID): Likewise.
2311 (DECL_PT_UID_SET_P): Likewise.
2312 (struct tree_decl_minimal): Add pt_uid member.
2313 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2314 (pt_solution_empty_p): Declare.
2315 (pt_solution_set): Adjust.
2316 (ipa_escaped_pt): Declare.
2317 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2318 * gimple-pretty-print.c (pp_points_to_solution): New function.
2319 (dump_gimple_call): Dump call clobber/use information.
2320 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2321 * tree-pass.h (TDF_ALIAS): New dump option.
2322 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2323 * doc/invoke.texi (-fipa-pta): Update documentation.
2325 2010-04-15 Richard Guenther <rguenther@suse.de>
2327 * Makefile.in (OBJS-common): Add gimple-fold.o.
2328 (gimple-fold.o): New rule.
2329 * tree.h (maybe_fold_offset_to_reference,
2330 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2332 * gimple.h: ... here.
2333 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2334 may_propagate_address_into_dereference): Move prototypes ...
2335 * gimple.h: ... here.
2336 * tree-ssa-ccp.c (get_symbol_constant_value,
2337 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2338 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2339 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2340 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2341 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2342 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2343 gimplify_and_update_call_from_tree): Move ...
2344 * gimple-fold.c: ... here. New file.
2345 (ccp_fold_builtin): Rename to ...
2346 (gimple_fold_builtin): ... this.
2347 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2349 2010-04-15 Richard Guenther <rguenther@suse.de>
2351 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2352 fit_double_type, force_fit_type_double, add_double_with_sign,
2353 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2354 lrotate_double, rrotate_double, div_and_round_double): Move ...
2355 * double-int.c: ... here.
2356 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2357 add_double, neg_double, mul_double_with_sign, mul_double,
2358 lshift_double, rshift_double, lrotate_double, rrotate_double,
2359 div_and_round_double): Move prototypes ...
2360 * double-int.h: ... here.
2362 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2365 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2366 matching constraints to ensure inputs match the output.
2368 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2371 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2372 in an input-only operand.
2374 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2376 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2377 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2378 (double_int_negative_p): Convert to static inline function.
2379 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2380 (double_int_negative_p): Remove.
2381 * tree.h (lshift_double, rshift_double):
2382 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2383 * fold-const.c (fold_convert_const_int_from_real,
2384 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2385 (lshift_double): Change type of arith argument to bool.
2386 (rshift_double): Change type of arith argument to bool. Correct
2388 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2390 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2393 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2394 at the start and end of the then/else blocks, and omit them from the
2396 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2397 argument; all callers changed. Pass zero to old_insns_match_p instead.
2398 (flow_find_head_matching_sequence): New function.
2399 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2400 * basic-block.h (flow_find_cross_jump,
2401 flow_find_head_matching_sequence): Declare functions.
2403 2010-04-14 Jason Merrill <jason@redhat.com>
2406 * c-common.c (attribute_takes_identifier_p): New fn.
2407 * c-common.h: Declare it.
2409 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2411 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2413 (*udivmod<mode>4): Ditto.
2415 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2417 * config/i386/i386.md (maxmin_int): Rename code attribute from
2418 maxminiprefix and update all users.
2419 (maxmin_float): Ditto from maxminfprefix.
2420 (logic): Ditto from logicprefix.
2421 (absneg_mnemonic): Ditto from absnegprefix.
2422 * config/i386/mmx.md: Update all users of maxminiprefix,
2423 maxminfprefix and logicprefix for rename.
2424 * config/i386/sse.md: Ditto.
2425 * config/i386/sync.md (sync_<code><mode>): Update for
2428 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2431 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2432 warnings converted to errors.
2434 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2436 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2437 used insn_type variable.
2438 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2439 to avoid set-but-not-used warning.
2441 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2443 * df-core.c (df_ref_debug): Change format string placeholder
2445 * dwarf2asm.c (dw2_asm_output_data_raw,
2446 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2447 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2448 * dwarf2out.c (output_cfi, output_cfi_directive,
2449 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2450 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2452 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2453 * print-rtl.c (print_rtx): Ditto.
2455 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2458 * builtins.c (expand_builtin_pow_root): New function to expand pow
2459 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2460 series of sqrt and cbrt calls under -ffast-math.
2461 (expand_builtin_pow): Call it.
2463 2010-04-14 Michael Matz <matz@suse.de>
2465 PR tree-optimization/42963
2466 * tree-cfg.c (touched_switch_bbs): New static variable.
2467 (group_case_labels_stmt): New function broken out from ...
2468 (group_case_labels): ... here, use the above.
2469 (start_recording_case_labels): Allocate touched_switch_bbs.
2470 (end_recording_case_labels): Deallocate it, call
2471 group_case_labels_stmt.
2472 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2474 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2476 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2479 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2481 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2483 2010-04-13 Jan Hubicka <jh@suse.cz>
2485 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2486 of optimized out static functions.
2487 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2488 cost computation. Also sanity check for overflows.
2489 (update_caller_keys): Update cgraph_edge_badness call; properly
2490 update fibheap and sanity check that it is up to date.
2491 (add_new_edges_to_heap): Update cgraph_edge_badness.
2492 (cgraph_decide_inlining_of_small_function): Likewise;
2493 add sanity checking that badness in heap is up to date;
2494 improve dumping of reason; Update badness of calls to the
2495 offline copy of function currently inlined; dump badness
2496 of functions not inlined because of unit growth limits.
2498 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2501 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2502 because of sign-extension change when converting to sizetype here...
2503 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2505 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2506 the folding to constants. Remove redundant final conversion.
2507 (fold_binary) <associate>: Do not associate if the re-association of
2508 constants alone overflows.
2509 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2510 to the end of the list.
2511 (multiple_of_p) <COND_EXPR>: New case.
2513 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2515 * opt-functions.awk (opt_sanitized_name): New.
2517 * optc-gen.awk: Use it
2518 * opth-gen.awk: Use it.
2520 2010-04-13 Martin Jambor <mjambor@suse.cz>
2522 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2523 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2524 children. Call replace_uses_with_default_def_ssa_name to handle
2527 2010-04-13 Michael Matz <matz@suse.de>
2530 * builtins.c (expand_builtin_interclass_mathfn): Also create
2531 a register if the predicate doesn't match.
2533 2010-04-13 Diego Novillo <dnovillo@google.com>
2535 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2536 * c-pch.c: Include timevar.h.
2537 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2538 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2539 * ggc-common.c: Include timevar.h.
2540 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2541 * timevar.def (TV_PCH_SAVE): Define.
2542 (TV_PCH_CPP_SAVE): Define.
2543 (TV_PCH_PTR_REALLOC): Define.
2544 (TV_PCH_PTR_SORT): Define.
2545 (TV_PCH_RESTORE): Define.
2546 (TV_PCH_CPP_RESTORE): Define.
2548 2010-04-13 Michael Matz <matz@suse.de>
2550 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2552 (can_reassociate_p): New function.
2553 (break_up_subtract_bb, reassociate_bb): Use it.
2555 2010-04-13 Richard Guenther <rguenther@suse.de>
2558 * builtins.c (c_readstr): Fix assert.
2560 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2562 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2563 when generating cltd insn.
2565 (*ashl<mode>3_1): Remove special handling for register operand 2.
2566 (*ashlsi3_1_zext): Ditto.
2567 (*ashlhi3_1): Ditto.
2568 (*ashlhi3_1_lea): Ditto.
2569 (*ashlqi3_1): Ditto.
2570 (*ashlqi3_1_lea): Ditto.
2571 (*<shiftrt_insn><mode>3_1): Ditto.
2572 (*<shiftrt_insn>si3_1_zext): Ditto.
2573 (*<shiftrt_insn>qi3_1_slp): Ditto.
2574 (*<rotate_insn><mode>3_1): Ditto.
2575 (*<rotate_insn>si3_1_zext): Ditto.
2576 (*<rotate_insn>qi3_1_slp): Ditto.
2578 2010-04-13 Richard Guenther <rguenther@suse.de>
2580 * tree-ssa-structalias.c (callused_id): Remove.
2581 (call_stmt_vars): New.
2582 (get_call_vi): Likewise.
2583 (lookup_call_use_vi): Likewise.
2584 (lookup_call_clobber_vi): Likewise.
2585 (get_call_use_vi): Likewise.
2586 (get_call_clobber_vi): Likewise.
2587 (make_transitive_closure_constraints): Likewise.
2588 (handle_const_call): Adjust to do per-call call-used handling.
2589 (handle_pure_call): Likewise.
2590 (find_what_var_points_to): Remove general callused handling.
2591 (init_base_vars): Likewise.
2592 (init_alias_vars): Initialize call_stmt_vars.
2593 (compute_points_to_sets): Process call-used and call-clobbered
2594 vars for call statements.
2595 (delete_points_to_sets): Free call_stmt_vars.
2597 2010-04-13 Richard Guenther <rguenther@suse.de>
2599 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2600 Only add RW dependence for dependence distance zero.
2601 Adjust maximal vectorization factor according to dependences.
2602 Move alignment handling ...
2603 (vect_find_same_alignment_drs): ... here. New function.
2604 (vect_analyze_data_ref_dependences): Adjust.
2605 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2606 (vect_analyze_data_refs): Adjust minimal vectorization factor
2607 according to data references.
2608 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2609 dependences before determining the vectorization factor.
2610 Analyze alignment after determining the vectorization factor.
2611 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2612 dependences before alignment.
2613 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2615 (vect_analyze_data_refs): Likewise.
2616 (MAX_VECTORIZATION_FACTOR): New define.
2618 2010-04-13 Duncan Sands <baldrick@free.fr>
2620 * except.h (lang_eh_type_covers): Remove.
2621 * except.c (lang_eh_type_covers): Likewise.
2623 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2624 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2626 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2627 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2628 UNITS_PER_LONG where it is ABI relevant.
2629 (s390_return_addr_rtx): Likewise.
2630 (s390_back_chain_rtx): Likewise.
2631 (s390_frame_area): Likewise.
2632 (s390_frame_info): Likewise.
2633 (s390_initial_elimination_offset): Likewise.
2634 (save_gprs): Likewise.
2635 (s390_emit_prologue): Likewise.
2636 (s390_emit_epilogue): Likewise.
2637 (s390_function_arg_advance): Likewise.
2638 (s390_function_arg): Likewise.
2639 (s390_va_start): Likewise.
2640 (s390_gimplify_va_arg): Likewise.
2641 (s390_function_profiler): Likewise.
2642 (s390_optimize_prologue): Likewise.
2643 (s390_rtx_costs): Likewise.
2644 (s390_secondary_reload): Likewise.
2645 (s390_promote_function_mode): Likewise.
2646 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2647 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2648 registers available.
2649 (s390_unwind_word_mode): New function.
2650 (s390_function_value): Split 64 bit values into register pair if
2651 used as return value.
2652 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2653 function call parameters. Handle parallels.
2654 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2655 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2656 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2657 (s390_expand_setmem): Remove unused variable src_addr.
2658 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2659 deal with 64 bit registers.
2660 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2661 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2662 (UNITS_PER_LONG): New macro.
2663 * libjava/include/s390-signal.h: Define extended ucontext
2664 structure containing the upper halfs of the 64 bit registers.
2666 2010-04-13 Simon Baldwin <simonb@google.com>
2668 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2670 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2672 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2673 rvalue on the RHS if the LHS is of a non-renamable type.
2674 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2676 2010-04-13 Matthias Klose <doko@ubuntu.com>
2678 * gcc.c (cc1_options): Handle -iplugindir before processing
2679 the cc1 spec. Only add -iplugindir once.
2680 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2682 * common.opt (iplugindir): Remove `Separate' property, initialize.
2683 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2685 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2686 (distclean): Remove plugin dir.
2687 * doc/invoke.texi: Document -iplugindir.
2689 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2691 * doc/plugins.texi (Loading Plugins): Document short
2692 -fplugin=foo option.
2693 (Plugin API): Mention default_plugin_dir_name function.
2695 * gcc.c (find_file_spec_function): Add new declaration.
2696 (static_spec_func): Use it for "find-file".
2697 (find_file_spec_function): Add new function.
2698 (cc1_options): Add -iplugindir option if -fplugin* options found.
2700 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2702 * plugin.c (add_new_plugin): Updated comment, and handle short
2704 (default_plugin_dir_name): Added new function.
2706 * common.opt (iplugindir): New option to set the plugin directory.
2708 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2710 * config/i386/i386.md (any_rotate): New code iterator.
2711 (rotate_insn): New code attribute.
2713 (SWIM124): New mode iterator.
2714 (<rotate_insn>ti3): New expander.
2715 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2716 any_rotate code iterator.
2717 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2718 using any_rotate code iterator and SWIM124 mode iterator.
2719 (ix86_rotlti3): New insn_and_split pattern.
2720 (ix86_rotrti3): Ditto.
2721 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2722 ix86_rotl{di,ti}3 patterns.
2723 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2724 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2725 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2726 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2727 code iterator and SWI mode iterator.
2728 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2729 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2731 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2732 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2733 (bswap rotatert splitter): Add splitter.
2734 (bswap splitter): Macroize splitter using any_rotate code iterator.
2735 Add insn predicate to split only for TARGET_USE_XCHGB or when
2736 optimizing function for size.
2738 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2740 * config/pa/pa.c (emit_move_sequence): Remove use of
2741 deleted variable flag_argument_noalias.
2743 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2745 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2747 Add to unsupported targets list.
2748 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2749 sparc*-sun-solaris2.[567]* from target lists.
2750 * configure: Regenerate.
2751 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2753 Remove Solaris 7 patch references.
2754 (Specific, sparc-sun-solaris2.7): Removed.
2755 (sparc-sun-solaris2*): Update Solaris 7 example.
2756 (sparc64-*-solaris2*): Likewise.
2758 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2760 * config.build (alpha*-dec-osf4*): Remove.
2761 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2762 of obsolete configurations.
2763 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2765 * config/alpha/t-osf4: Renamed to ...
2766 * config/alpha/t-osf5: ... this.
2767 * config/alpha/osf.h: Renamed to ...
2768 * config/alpha/osf5.h: ... this.
2769 Merged old osf5.h contents.
2771 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2772 (EXTRA_SPECS): Removed.
2773 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2774 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2777 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2779 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2781 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2784 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2785 __thiscall convention.
2787 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2789 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2791 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2793 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2795 * function.c (assign_parms_initialize_all): Add unused attribute
2798 2010-04-12 Richard Guenther <rguenther@suse.de>
2800 * gsstruct.def (GSS_CALL): New.
2801 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2802 * gimple.h: Include tree-ssa-alias.h.
2803 (struct gimple_statement_call): New.
2804 (union gimple_statement_struct_d): Add gimple_call member.
2805 (gimple_call_reset_alias_info): Declare.
2806 (gimple_call_use_set): New function.
2807 (gimple_call_clobber_set): Likewise.
2808 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2809 * gimple.c (gimple_call_reset_alias_info): New function.
2810 (gimple_build_call_1): Call it.
2811 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2812 * tree-inline.c (remap_gimple_stmt): Likewise.
2813 (expand_call_inline): Remove callused handling.
2814 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2815 * tree-dfa.c (dump_variable): Likewise.
2816 * tree-parloops.c (parallelize_loops): Likewise.
2817 * tree-ssa.c (init_tree_ssa): Likewise.
2818 (delete_tree_ssa): Likewise.
2819 * tree-flow-inline.h (is_call_used): Remove.
2820 * tree-flow.h (struct gimple_df): Remove callused member.
2821 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2822 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2823 (ref_maybe_used_by_call_p_1): Simplify.
2824 (call_may_clobber_ref_p_1): Likewise.
2825 * tree-ssa-structalias.c (compute_points_to_sets): Set
2826 the call stmt used and clobbered sets.
2827 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2828 (find_tail_calls): Verify the tail call.
2830 2010-04-12 Richard Guenther <rguenther@suse.de>
2832 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2833 single-iteration always-inline inlining.
2834 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2835 (cgraph_decide_inlining): Do not handle always-inline specially.
2836 (try_inline): Remove always-inline cycle detection special case.
2837 Do not recurse on always-inlines.
2838 (cgraph_early_inlining): Do not iterate if not optimizing.
2839 (cgraph_gate_early_inlining): remove.
2840 (pass_early_inline): Run unconditionally.
2841 (gate_cgraph_decide_inlining): New function.
2842 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2843 not inlining or optimizing.
2844 (cgraph_decide_inlining_of_small_functions): Also consider
2845 always-inline functions.
2846 (cgraph_default_inline_p): Return true for nodes which should
2847 disregard inline limits.
2848 (estimate_function_body_sizes): Assume zero size and time for
2849 nodes which are marked as disregarding inline limits.
2850 (cgraph_decide_recursive_inlining): Do not perform recursive
2851 inlining on always-inline nodes.
2853 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2856 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2857 for exprs satisfying handled_component_p.
2859 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2861 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2862 non-constant aggregate elements.
2864 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2865 is a real initialization.
2867 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2870 * c-decl.c (start_function): Move forward check for nested function.
2872 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2874 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2875 * config/sh/sh.c: Include reload.h.
2876 (sh_legitimize_reload_address): New.
2877 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2878 sh_legitimize_reload_address.
2880 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2882 * config/sh/sh.md (*movqi_pop): New insn pattern.
2883 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2885 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2887 * config/i386/i386.md (any_shiftrt): New code iterator.
2888 (shiftrt_insn): New code attribute.
2890 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2891 using any_shiftrt code iterator.
2892 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2893 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2894 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2895 pattern from corresponding peephole2 patterns.
2896 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2897 using any_shiftrt code iterator.
2898 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2899 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2900 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2901 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2902 *{ashr,lshr}<mode>3_cmp_zext.
2903 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2905 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2907 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2909 (*lshr<mode>3_cconly): Ditto.
2911 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2913 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2914 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2915 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2916 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2918 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2919 from corresponding peephole2 patterns.
2920 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2921 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2922 and *lshrdi3_1_rex64 using SWI mode iterator.
2923 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2924 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2925 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2926 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2927 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2928 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2929 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2930 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2931 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2934 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2936 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2937 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2938 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2939 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2941 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2942 from corresponding peephole2 patterns.
2943 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2944 (ashrsi3_cvt): Rename from ashrsi3_31.
2945 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2946 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2947 and x86_64_shift_adj_3 using SWI48 mode iterator.
2948 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2949 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2950 and *ashrdi3_1_rex64 using SWI mode iterator.
2951 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2952 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2953 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2954 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2955 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2956 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2957 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2958 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2959 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2961 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2962 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2963 x86_shift<mode>_adj_3 expanders.
2965 2010-04-10 Wei Guozhi <carrot@google.com>
2968 * config/arm/arm.c (arm_pic_static_addr): New function.
2969 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2971 (arm_output_addr_const_extra): Output expression for new pattern.
2972 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2974 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2976 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2979 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2980 * web.c: Include "insn-config.h" and "recog.h".
2981 (union_match_dups): New function.
2982 (web_main): Call it.
2983 (union_defs): Don't try to recognize match_dups.
2985 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2986 if doing so would replace the entire pattern.
2988 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2992 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2993 and splitter pattern. Change splitter operand 1 predicate to
2996 2010-04-09 Martin Jambor <mjambor@suse.cz>
2998 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2999 lattices are addresses of CONST_DECLs with the same initial value.
3000 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3001 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3003 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3004 Bernd Schmidt <bernds@codesourcery.com>
3006 * loop-invariant.c (replace_uses): New static function.
3007 (move_invariant_reg): Use it to ensure we can replace the uses.
3009 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3011 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3013 (picochip_override_options): Enable section anchors only above -O1.
3014 (picochip_reorg): Fixed a couple of build warnings.
3016 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3018 * configure.ac (plugin -rdynamic test): Log result.
3019 * configure: Regenerate.
3020 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3021 (RDYNAMIC_SPEC): Define.
3022 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3024 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3026 * configure.ac: Determine Sun ld version numbers.
3027 (comdat_group): Restrict GNU ld version checks to gld.
3028 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3029 (enable_comdat): Support --enable-comdat.
3030 * configure: Regenerate.
3031 * doc/install.texi (Configuration): Document --enable-comdat.
3033 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3035 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3036 * config/sol2-gld.h: ... here.
3037 * config.gcc (sparc*-*-solaris2*): Reflect this.
3038 (i[34567]86-*-solaris2*): Use it.
3040 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3042 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3044 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3046 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3049 * diagnostic.c (diagnostic_initialize): Initialize
3050 some_warnings_are_errors.
3051 (diagnostic_finish): New.
3052 (diagnostic_action_after_output): Call it before exiting.
3053 (diagnostic_report_diagnostic): Do not print message here. Set
3054 some_warnings_are_errors.
3055 * diagnostic.h (diagnostic_context): Delete
3056 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3057 (diagnostic_finish): Declare.
3058 * toplev.c (toplev_main): Call it before exit.
3060 2010-04-09 Jason Merrill <jason@redhat.com>
3063 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3064 for incomplete type.
3067 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3068 based on a warning flag.
3070 2010-04-09 Richard Guenther <rguenther@suse.de>
3072 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3074 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3077 * varasm.c (default_assemble_visibility): Wrap vars that are
3078 set, but unused, by targets without GAS.
3079 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3080 Remove set, but unused, vars.
3081 (rs6000_legitimize_tls_address): Likewise.
3082 (altivec_expand_dst_builtin): Likewise.
3083 * config/darwin.c (machopic_classify_symbol): Likewise.
3084 (machopic_indirection_name): Likewise.
3086 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3088 * config/i386/i386.md (DWI): New mode iterator.
3089 (S): New mode attribute.
3090 (shift_operand): Ditto.
3091 (shift_immediate_operand): Ditto.
3092 (ashl_input_operand): Ditto.
3093 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3094 using SDWIM mode iterator.
3095 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3096 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3098 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3099 from corresponding peephole2 patterns.
3100 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3101 and x86_64_shift_adj_1 using SWI48 mode iterator.
3102 (x86_shift<mode>_adj_2): Ditto.
3103 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3104 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3105 using SWI48 mode iterator.
3106 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3107 *ashldi3_cmp_rex64 using SWI mode iterator.
3108 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3109 *ashldi3_cconly_rex64 using SWI mode iterator.
3110 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3111 x86_shift<mode>_adj_{1,2}.
3112 (ix86_split_ashr): Ditto.
3113 (ix86_split_lshr): Ditto.
3115 2010-04-09 Richard Guenther <rguenther@suse.de>
3117 * target.h (builtin_conversion): Pass in input and output types.
3118 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3119 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3120 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3121 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3123 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3125 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3127 2010-04-09 Richard Guenther <rguenther@suse.de>
3130 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3132 2010-04-09 Richard Guenther <rguenther@suse.de>
3134 * tree-vectorizer.h (struct _stmt_vec_info): Document
3135 that vectype is the type of the LHS.
3136 (supportable_widening_operation, supportable_narrowing_operation):
3137 Get both input and output vector types as arguments.
3138 (vect_is_simple_use_1): Declare.
3139 (get_same_sized_vectype): Likewise.
3140 * tree-vect-loop.c (vect_determine_vectorization_factor):
3141 Set STMT_VINFO_VECTYPE to the vector type of the def.
3142 (vectorizable_reduction): Adjust.
3143 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3144 Adjust. Specify the output vector type.
3145 (vect_pattern_recog_1): Adjust.
3146 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3147 (vectorizable_call): Adjust.
3148 (vectorizable_conversion): Likewise.
3149 (vectorizable_operation): Likewise.
3150 (vectorizable_type_demotion): Likewise.
3151 (vectorizable_type_promotion): Likewise.
3152 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3154 (vect_is_simple_use_1): New function.
3155 (supportable_widening_operation): Get both input and output
3157 (supportable_narrowing_operation): Likewise.
3158 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3160 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3162 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3163 __thiscall and _thiscall as predefined macros.
3164 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3165 thiscall attribute handling.
3166 (ix86_comp_type_attributes): Likewise.
3167 (ix86_function_regparm): Likewise.
3168 (ix86_return_pops_args): Likewise.
3169 (init_cumulative_args): Likewise.
3170 (find_drap_reg): Likewise.
3171 (ix86_static_chain): Likewise.
3172 (x86_this_parameter): Likewise.
3173 (x86_output_mi_thunk): Likewise.
3174 (ix86_attribute_table): Add description for thiscall attribute.
3175 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3176 * doc/extend.texi: Add documentation for thiscall.
3178 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3181 * c.opt (Wint-to-pointer-cast): Available in C++.
3182 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3184 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3186 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3187 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3188 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3189 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3190 function type instead. Reorder and simplify checks.
3192 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3194 2010-04-08 Jing Yu <jingyu@google.com>
3195 Zdenek Dvorak <ook@ucw.cz>
3197 PR tree-optimization/42720
3198 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3199 loop unswitch conditions here from ...
3200 (tree_unswitch_single_loop): ... here.
3202 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3204 * tree-if-conv.c: Fix comments and simplify logic.
3206 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3208 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3209 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3210 (main_tree_if_conversion): Update call to tree_if_conversion.
3212 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3215 * doc/invoke.texi (-b,-V): Delete.
3216 * doc/tm.texi: Do not mention -b.
3217 * gcc.c (display_help): Delete -b and -V.
3218 (process_command): Delete -b and -V.
3219 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3221 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3222 Wolfgang Gellerich <gellerich@de.ibm.com>
3224 Implement target hook for loop unrolling
3225 * target.h (loop_unroll_adjust): Add a new target hook function.
3226 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3227 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3228 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3229 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3230 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3232 (decide_unroll_stupid): Likewise.
3234 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3237 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3239 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3241 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3242 (Specific, *-*-solaris2*): Likewise.
3243 Don't prefer Sun as over GNU as.
3245 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3247 * config/s390/s390.c (override_options): Adjust the z10
3248 defaults for max-unroll-times, max-completely-peeled-insns
3249 and max-completely-peel-times.
3251 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3253 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3254 instructions for z10.
3255 (s390_expand_setmem): Likewise.
3256 (s390_expand_cmpmem): Likewise.
3258 2010-04-08 Richard Guenther <rguenther@suse.de>
3260 PR tree-optimization/43679
3261 * tree-ssa-pre.c (eliminate): Only propagate copies.
3263 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3266 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3267 set but not used variable warning.
3269 2010-04-08 Wei Guozhi <carrot@google.com>
3272 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3273 (arm_size_rtx_costs): Call the new function when optimized for size.
3275 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3278 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3279 op0 is not a MEM, just return NULL instead of assertion
3281 (discover_nonconstant_array_refs): Don't walk debug stmts.
3283 2010-04-08 Doug Kwan <dougkwan@google.com>
3285 * configure.ac: Recognize gold and do not use its version number
3286 to test ld features.
3287 * configure: Regenerate.
3289 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3292 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3293 (negate_value): Move code to push elements to broken_up_substracts ...
3294 (eliminate_plus_minus_pair): ... here. Push operands that have no
3295 negative pair to plus_negates.
3296 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3298 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3300 * doc/install.texi (Configuration): Move description of
3301 --enable-lto, --with-libelf*, --enable-gold from Java section to
3304 * doc/generic.texi (Working with declarations)
3305 (Function Properties, C and C++ Trees): Fix typos.
3306 * doc/sourcebuild.texi (Top Level): Likewise.
3308 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3311 * tree.h (DECL_READ_P): Define.
3312 (struct tree_decl_common): Add decl_read_flag.
3313 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3314 a set but not used warning.
3315 (merge_decls): Merge DECL_READ_P flag.
3316 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3317 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3318 * c-common.c (handle_used_attribute, handle_unused_attribute):
3320 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3322 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3324 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3325 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3326 c_parser_binary_expression, c_parser_cast_expression,
3327 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3328 Call default_function_array_read_conversion instead of
3329 default_function_array_conversion where needed.
3330 (c_parser_unary_expression, c_parser_conditional_expression,
3331 c_parser_postfix_expression_after_primary, c_parser_initelt):
3332 Likewise. Call mark_exp_read where needed.
3333 (c_parser_statement_after_labels, c_parser_asm_operands,
3334 c_parser_typeof_specifier, c_parser_sizeof_expression,
3335 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3337 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3339 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3340 (warn_unused_but_set_parameter): Default to warn_unused
3342 * doc/invoke.texi: Document -Wunused-but-set-variable and
3343 -Wunused-but-set-parameter.
3345 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3346 used count variable.
3347 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3348 when operandN variables aren't used in the body of the expander
3350 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3351 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3352 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3353 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3354 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3355 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3356 * tree.c (PROCESS_ARG): Likewise.
3358 2010-04-07 Simon Baldwin <simonb@google.com>
3360 * diagnostic.h (diagnostic_override_option_index): New macro to
3361 set a diagnostic's option_index.
3362 * c-tree.h (c_cpp_error): Add warning reason argument.
3363 * opts.c (_warning_as_error_callback): New.
3364 (register_warning_as_error_callback): Store callback for
3365 warnings enabled via enable_warning_as_error.
3366 (enable_warning_as_error): Call callback, minor code tidy.
3367 * opts.h (register_warning_as_error_callback): Declare.
3368 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3369 response to -Werror=.
3370 (c_common_init_options): Register warning_as_error_callback in opts.c.
3371 * common.opt: Add -Wno-cpp option.
3372 * c-common.c (struct reason_option_codes_t): Map cpp warning
3373 reason codes to gcc option indexes.
3374 * (c_option_controlling_cpp_error): New function, lookup the gcc
3375 option index for a cpp warning reason code.
3376 * (c_cpp_error): Add warning reason argument, call
3377 c_option_controlling_cpp_error for diagnostic_override_option_index.
3378 * doc/invoke.texi: Document -Wno-cpp.
3380 2010-04-07 Richard Guenther <rguenther@suse.de>
3382 * ipa-reference.c (mark_load): Use get_base_address.
3383 (mark_store): Likewise.
3385 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3386 inserting GIMPLE_NOPs into the IL.
3387 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3388 Explicitly strip handled components and indirect references.
3390 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3391 folding address expressions.
3392 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3393 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3394 operand_equal_p to compare decls.
3395 (ptr_deref_may_alias_decl_p): Likewise.
3396 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3397 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3398 Handle reversed comparison ops.
3399 * tree-sra.c (asm_visit_addr): Use get_base_address.
3400 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3401 * ipa-reference.c (mark_address): Use get_base_address.
3403 2010-04-07 Richard Guenther <rguenther@suse.de>
3405 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3406 Propagate constants everywhere.
3408 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3411 * tree.c (MAX_INT_CACHED_PREC): Define.
3412 (nonstandard_integer_type_cache): New array.
3413 (build_nonstandard_integer_type): Cache results for precision
3414 <= MAX_INT_CACHED_PREC.
3416 2010-04-07 Richard Guenther <rguenther@suse.de>
3418 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3419 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3420 * common.opt: Likewise.
3421 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3422 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3423 (nonoverlapping_memrefs_p): Likewise.
3424 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3425 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3426 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3427 OPT_fargument_noalias_global for backward compatibility.
3429 2010-04-07 Richard Guenther <rguenther@suse.de>
3431 PR tree-optimization/43270
3432 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3433 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3434 * tree-ssa-pre.c (phi_translate_1): Adjust.
3435 (fully_constant_expression): Split out vn_reference handling to ...
3436 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3437 Fold reads from constant strings.
3438 (vn_reference_lookup): Handle fully constant references.
3439 (vn_reference_lookup_pieces): Likewise.
3440 * Makefile.in (expmed.o-warn): Add -Wno-error.
3442 2010-04-07 Martin Jambor <mjambor@suse.cz>
3444 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3446 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3449 * gcc.c: Add -static-libstdc++ to list of recognized options.
3451 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3453 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3455 2010-04-07 Richard Guenther <rguenther@suse.de>
3458 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3459 bases build simple mem attributes to retain points-to information.
3461 2010-04-07 Richard Guenther <rguenther@suse.de>
3464 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3465 preserve points-to related information.
3467 2010-04-07 Richard Guenther <rguenther@suse.de>
3470 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3471 discard plain indirect references.
3472 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3473 * tree.c (tree_nop_conversion): Likewise.
3475 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3478 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3480 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3482 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3483 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3485 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3487 * tree-if-conv.c: Fix indentation and comments.
3489 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3491 * tree-if-conv.c: Sort static functions in topological order.
3493 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3495 * tree-if-conv.c: Fix indentation and comments.
3497 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3500 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3501 lang_hooks.types.type_for_size instead of
3502 build_nonstandard_integer_type.
3503 When converting an unsigned type to signed, double its precision.
3504 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3505 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3506 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3509 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3512 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3513 POINTER_PLUS_EXPR for pointer types.
3515 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3518 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3519 * graphite-clast-to-gimple.c: Include langhooks.h.
3520 (max_signed_precision_type): New.
3521 (max_precision_type): Takes two types as arguments.
3522 (precision_for_value): New.
3523 (precision_for_interval): New.
3524 (gcc_type_for_interval): New.
3525 (gcc_type_for_value): New.
3526 (gcc_type_for_clast_term): New.
3527 (gcc_type_for_clast_red): New.
3528 (gcc_type_for_clast_bin): New.
3529 (gcc_type_for_clast_expr): Split up into several functions.
3530 (gcc_type_for_clast_eq): Rewritten.
3531 (compute_bounds_for_level): New.
3532 (compute_type_for_level_1): New.
3533 (compute_type_for_level): New.
3534 (gcc_type_for_cloog_iv): Removed.
3535 (gcc_type_for_iv_of_clast_loop): Rewritten.
3536 (graphite_create_new_loop): Compute the lower and upper bound types
3537 with gcc_type_for_clast_expr.
3538 (graphite_create_new_loop_guard): Same.
3539 (find_cloog_iv_in_expr): Removed.
3540 (compute_cloog_iv_types_1): Removed.
3541 (compute_cloog_iv_types): Removed.
3542 (gloog): Do not call compute_cloog_iv_types.
3543 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3545 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3546 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3547 (GBB_CLOOG_IV_TYPES): Removed.
3549 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3551 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3552 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3553 (detect_commutative_reduction): Same.
3555 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3557 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3558 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3560 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3561 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3562 (rewrite_commutative_reductions_out_of_ssa): Same.
3563 * passes.c (execute_function_todo): Call verify_ssa for every pass
3564 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3565 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3566 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3567 with an extra argument.
3568 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3569 verify_ssa only when the extra argument is true.
3570 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3571 with an extra argument.
3572 (tree_transform_and_unroll_loop): Same.
3574 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3576 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3577 for all the passes of the LNO having LOOP_CLOSED_SSA.
3578 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3579 * tree-loop-distribution.c (pass_loop_distribution): Same.
3580 * tree-pass.h (TODO_verify_loops): Removed.
3581 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3583 (pass_tree_unswitch): Same.
3584 (pass_predcom): Same.
3585 (pass_vectorize): Same.
3586 (pass_linear_transform): Same.
3587 (pass_graphite_transforms): Same.
3588 (pass_iv_canon): Same.
3589 (pass_complete_unroll): Same.
3590 (pass_complete_unrolli): Same.
3591 (pass_parallelize_loops): Same.
3592 (pass_loop_prefetch): Same.
3593 (pass_iv_optimize): Same.
3595 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3598 * passes.c (init_optimization_passes): Move pass_lim before
3599 pass_copy_prop and pass_dce_loop.
3601 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3604 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3605 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3606 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3607 MULTI_* defines for 4 argument vpermil2p* builtins.
3609 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3611 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3612 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3613 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3614 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3615 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3616 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3617 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3618 Use x86_maybe_negate_const_int to output insn mnemonic.
3619 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3620 check from instruction predicate. Update comments.
3621 * config/i386/sync.md (sync_add<mode>): Use
3622 x86_maybe_negate_const_int to output insn mnemonic.
3624 2010-04-06 Jan Hubicka <jh@suse.cz>
3626 PR tree-optimization/42906
3627 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3628 IGNORE_SELF argument. Set visited_control_parents for fully
3630 (find_obviously_necessary_stmts): Update call of
3631 mark_control_dependent_edges_necessary.
3632 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3634 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3636 * config/i386/i386.md: Remove comment about 'e' and 'E'
3639 2010-04-06 Richard Guenther <rguenther@suse.de>
3641 PR tree-optimization/43627
3642 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3643 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3646 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3648 * BASE-VER: Change to 4.6.0.
3651 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3654 2010-04-06 Richard Guenther <rguenther@suse.de>
3657 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3659 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3661 * doc/invoke.texi (Optimize Options): Document that LTO
3662 won't remove object access purely due to incompatible
3665 2010-04-04 Matthias Klose <doko@ubuntu.com>
3667 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3668 Initialize variable.
3670 2010-04-03 Richard Guenther <rguenther@suse.de>
3673 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3674 require a non-NULL MEM_OFFSET.
3676 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3678 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3679 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3680 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3681 config/alpha/predicates.md, config/arm/arm.md,
3682 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3683 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3684 config/darwin9.h, config/darwin.c, config/darwin.h,
3685 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3686 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3687 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3688 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3689 config/mips/mips.md, config/mn10300/mn10300.c,
3690 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3691 config/rs6000/aix.h, config/rs6000/dfp.md,
3692 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3693 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3694 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3695 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3696 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3697 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3698 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3699 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3700 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3701 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3702 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3703 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3704 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3705 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3706 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3707 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3708 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3709 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3710 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3711 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3712 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3713 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3714 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3715 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3716 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3717 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3718 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3719 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3720 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3721 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3722 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3723 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3724 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3725 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3726 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3727 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3729 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3732 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3733 * aclocal.m4: Regenerate.
3735 2010-04-02 Richard Guenther <rguenther@suse.de>
3737 PR tree-optimization/43629
3738 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3739 if we have seen a constant value.
3741 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3743 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3745 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3748 * arm.c (legitimize_tls_address): Adjust call to
3749 gen_tls_load_dot_plus_four.
3750 (arm_note_pic_base): New function.
3751 (arm_cannot_copy_insn_p): Use it.
3752 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3755 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3760 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3762 * Makefile.in ($(out_object_file)): Depend on
3763 gt-$(basename $(notdir $(out_file))).h.
3765 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3767 * config.gcc (lm32-*-rtems*): Add t-lm32.
3769 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3771 * config.gcc: Add lm32-*-rtems*.
3772 * config/lm32/rtems.h: New file.
3774 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3777 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3779 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3781 * dwarf2out.c (output_compilation_unit_header): For
3782 -gdwarf-4 use version 4 instead of version 3.
3783 (output_line_info): For version 4 and above emit additional
3784 maximum ops per insn header field.
3785 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3787 * dwarf2out.c (is_c_family, is_java): Remove.
3788 (lower_bound_default): New function.
3789 (add_bound_info, gen_descr_array_type_die): Use it.
3791 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3794 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3795 re-declaration when it happens in a function.
3797 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3799 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3800 (cgraph_remove_function_insertion_hook): Same.
3801 (cgraph_call_function_insertion_hooks): Same.
3803 2010-04-01 Richard Guenther <rguenther@suse.de>
3806 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3807 and TREE_THIS_VOLATILE.
3808 (copy_ref_info): Likewise.
3809 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3810 * tree.c (build6_stat): Ignore side-effects of all but arg5
3811 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3814 2010-04-01 Richard Guenther <rguenther@suse.de>
3816 PR tree-optimization/43607
3817 * ipa-type-escape.c (check_call): Do not access non-existing
3820 2010-04-01 Richard Guenther <rguenther@suse.de>
3824 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3825 Jack Howarth <howarth@bromo.med.uc.edu>
3827 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3830 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3832 * doc/install.texi (Prerequisites): Document libelf usability on
3833 IRIX 5/6 and Solaris 2.
3834 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3835 Update GNU as, GNU ld requirements.
3836 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3837 Document Sun Studio compiler download.
3838 Update and simplify as, ld recommendations.
3839 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3841 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3843 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3844 with_tune_32 to pentium4.
3846 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3848 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3850 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3852 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3853 obsoletion, removal.
3855 Document GNU as requirement.
3856 Update configure requirements.
3857 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3858 Recomment IRIX 6.5.18+.
3859 Document IDF/IDL requirement.
3860 Document GNU as requirement.
3861 Document GNU ld bootstrap failure.
3862 Remove freeware.sgi.com reference.
3864 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3866 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3867 UNIX V4.0, V5.0 obsoletion, removal.
3868 Remove --with-gc=simple reference.
3869 Update VM requirements during bootstrap.
3870 Remove -oldas bootstrap description.
3871 Update binutils reference.
3872 Remove comparison failure note.
3874 2010-03-31 Richard Guenther <rguenther@suse.de>
3875 Zdenek Dvorak <ook@ucw.cz>
3876 Sebastian Pop <sebastian.pop@amd.com>
3879 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3880 with multiple arguments.
3881 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3883 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3885 * graphite-dependences.c (print_pddr): Call print_pdr with an
3887 * graphite-poly.c (debug_pdr): Add an extra argument for the
3890 (print_pbb_domain): Same.
3892 (print_scop_context): Same.
3894 (print_cloog): Same.
3895 (debug_pbb_domain): Same.
3899 (debug_scop_context): Same.
3901 (debug_cloog): Same.
3902 (print_scop_params): Same.
3903 (debug_scop_params): Same.
3904 (print_iteration_domain): Same.
3905 (print_iteration_domains): Same.
3906 (debug_iteration_domain): Same.
3907 (debug_iteration_domains): Same.
3908 (print_scattering_function): Same.
3909 (print_scattering_functions): Same.
3910 (debug_scattering_function): Same.
3911 (debug_scattering_functions): Same.
3912 * graphite-poly.h (debug_pdr): Update declaration.
3914 (print_pbb_domain): Same.
3916 (print_scop_context): Same.
3918 (print_cloog): Same.
3919 (debug_pbb_domain): Same.
3923 (debug_scop_context): Same.
3925 (debug_cloog): Same.
3926 (print_scop_params): Same.
3927 (debug_scop_params): Same.
3928 (print_iteration_domain): Same.
3929 (print_iteration_domains): Same.
3930 (debug_iteration_domain): Same.
3931 (debug_iteration_domains): Same.
3932 (print_scattering_function): Same.
3933 (print_scattering_functions): Same.
3934 (debug_scattering_function): Same.
3935 (debug_scattering_functions): Same.
3937 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3939 * graphite-poly.c (print_scattering_function_1): New.
3940 (print_scattering_function): Call it.
3941 (print_scop_params): Remove spaces at the end of lines.
3944 * graphite-poly.h (print_cloog): Declared.
3945 (debug_cloog): Declared.
3947 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3949 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3951 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3952 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3953 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3954 to switch between adding the IV bump in loop->latch or in loop->header.
3956 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3958 * graphite-poly.c (print_scattering_function): Pretty print following
3961 (print_pbb_domain): Same.
3962 (dump_gbb_cases): Same.
3963 (dump_gbb_conditions): Same.
3966 (print_scop_params): Same.
3967 (print_scop_context): Same.
3969 (print_pbb_body): New.
3970 (lst_indent_to): New.
3971 (print_lst): Start new lines with a #.
3972 * graphite-poly.h (pbb_bb): New.
3973 (pbb_index): Use pbb_bb.
3974 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3976 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3978 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3980 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3981 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3982 and 0 instead of 1 for dw_val_class_flag.
3983 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3984 dw_val_class_range_list, dw_val_class_loc_list,
3985 dw_val_class_lineptr and dw_val_class_macptr, use
3986 DW_FORM_flag_present for dw_val_class_flag and
3987 DW_FORM_exprloc for dw_val_class_loc.
3988 (output_die): For -gdwarf-4 print dw_val_class_loc
3989 size as uleb128 instead of 1 or 2 bytes and don't print
3990 anything for dw_val_class_flag.
3992 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3993 instead of cselib_lookup following by tweaking locs->setting_insn.
3996 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3997 even before returning from label, setjmp call or volatile asm
4000 2010-03-31 Richard Guenther <rguenther@suse.de>
4003 * cgraphunit.c (cgraph_output_in_order): Do not allocate
4004 temporary data on stack.
4006 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4008 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
4009 (PUSHSECTION_ASM_OP): Remove.
4010 (POPSECTION_ASM_OP): Remove.
4011 (PUSHSECTION_FORMAT): Remove.
4012 * config/sol2.h (PUSHSECTION_FORMAT): Define.
4013 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
4014 * config/sol2.c (solaris_output_init_fini): Use it.
4016 2010-03-31 Jie Zhang <jie@codesourcery.com>
4019 * opt-functions.awk (var_type_struct): Use signed char type
4020 for simple variables.
4022 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4024 * config/sol2.c: Include output.h.
4025 (solaris_assemble_visibility): New function.
4026 * config/t-sol2 (sol2.o): Add output.h dependency.
4027 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4028 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4031 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4034 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4035 V2SImode or XFmode on PRE_DEC.
4038 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4041 2010-03-31 Jie Zhang <jie@codesourcery.com>
4044 * reload.h (caller_save_initialized_p): Declare.
4045 * toplev.c (backend_init_target): Don't call
4046 init_caller_save but set caller_save_initialized_p to false.
4047 * caller-save.c (caller_save_initialized_p): Define.
4048 (init_caller_save): Check caller_save_initialized_p.
4049 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4051 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4054 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4055 and soft-fp/t-softfp to tmake_file.
4056 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4057 (LIBGCC2_TF_CEXT): Define.
4060 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4063 * cselib.c (n_useless_values): Document handling of debug locs.
4064 (n_useless_debug_values, n_debug_values): New variables.
4065 (new_elt_loc_list): Don't add to debug values, keep count.
4066 (promote_debug_loc): New.
4067 (cselib_reset_table): Zero new variables.
4068 (entry_and_rtx_equal_p): Promote debug locs.
4069 (discard_useless_locs): Increment n_useless_debug_values for
4071 (remove_useless_values): Adjust n_useless_values and n_debug_values
4072 with n_useless_debug_values.
4073 (add_mem_for_addr): Promote debug locs.
4074 (cselib_lookup_mem): Likewise.
4075 (cselib_lookup_addr): Renamed to...
4076 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4077 (cselib_log_lookup): ... this. Turn into...
4078 (cselib_lookup_addr): ... new wrapper.
4079 (cselib_lookup_from_insn): New.
4080 (cselib_invalidate_regno): Increment n_useless_debug_values for
4082 (cselib_invalidate_mem): Likewise.
4083 (cselib_process_insn): Take n_deleted and n_debug_values into
4084 account to guard remove_useless_value call.
4085 (cselib_finish): Zero n_useless_debug_values.
4086 * cselib.h (cselib_lookup_from_insn): Declare.
4087 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4088 (sched_analyze_2): Likewise.
4090 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4092 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4094 (adjust_mems): Replace narrowing SUBREG of expression containing
4095 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4096 with operations in the narrower mode.
4099 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4100 regs_invalidated_by_call instead all call_used_reg_set registers.
4102 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4105 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4106 pointer comparisons with types_compatible_p.
4107 * tree-vect-stmts.c (vectorizable_call): Same.
4108 (vectorizable_condition): Same.
4110 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4112 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4113 stack check if the mask would be zero.
4115 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4116 Jack Howarth <howarth@bromo.med.uc.edu>
4118 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4121 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4124 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4126 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4127 Include ___unordxf2 and ___unordtf2.
4128 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4131 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4133 * config/lm32/t-lm32: New file.
4134 * config.gcc: Use the above file when targetting lm32.
4136 2010-03-28 Duncan Sands <baldrick@free.fr>
4138 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4140 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4143 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4144 Improve vectorization cost model diagnostic.
4146 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4149 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4150 compute_data_dependences_for_loop returns false, early exit
4151 and output an extra diagnostic for the failed data reference
4154 2010-03-29 Richard Guenther <rguenther@suse.de>
4156 PR tree-optimization/43560
4157 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4158 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4160 2010-03-29 Jie Zhang <jie@codesourcery.com>
4163 * toplev.c (process_options): Set optimization_default_node
4164 and optimization_current_node.
4165 * opts.c (decode_options): Don't set optimization_default_node
4166 and optimization_current_node.
4168 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4170 * config/rtems.h: Abandon -qrtems_debug.
4172 2010-03-28 Jan Hubicka <jh@suse.cz>
4174 PR tree-optimization/43505
4175 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4176 map should not be copied.
4178 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4181 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4182 cdtors, set DECL_PRESERVE_P.
4183 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4186 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4188 PR tree-optimization/43528
4189 * stor-layout.c (place_field): Check that constant fits into
4190 unsigned HWI when skipping calculation of MS bitfield layout.
4192 2010-03-27 Jan Hubicka <jh@suse.cz>
4195 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4196 notice_global_symbol work.
4198 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4200 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4201 instead of dwarf2out_decl.
4202 (struct var_loc_node): Remove section_label field.
4203 (dwarf2out_function_decl): New function.
4204 (dwarf2out_var_location): Don't set section_label field.
4205 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4207 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4209 PR tree-optimization/43544
4210 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4211 First argument for builtin vectorized function hook is now a
4212 tree to be able to distinguish between machine specific and
4214 * targhooks.c (default_builtin_vectorized_function): Ditto.
4215 * targhooks.h (default_builtin_vectorized_function): Ditto.
4216 * target.h (struct gcc_target): Ditto.
4217 * tree-vect-stmts.c (vectorizable_function): Ditto.
4218 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4219 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4222 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4225 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4226 nested binding iff it is a FUNCTION_DECL.
4227 (store_parm_decls_newstyle): Pass nested=true to bind for
4228 FUNCTION_DECLs amongst parameters.
4230 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4232 * var-tracking.c (vt_expand_loc_callback): Don't run
4233 cselib_expand_value_rtx_cb in dummy mode if
4234 cselib_dummy_expand_value_rtx_cb returned false.
4236 * var-tracking.c (emit_note_insn_var_location): For one part
4237 notes with offset 0, don't add EXPR_LIST around the location.
4238 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4239 add_location_or_const_value_attribute): Adjust for that change.
4242 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4243 into first operand and location into second.
4244 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4245 dw_cfi_oprnd_loc for DW_CFA_expression.
4246 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4247 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4248 assume first argument is regnum and second argument is location.
4250 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4253 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4254 of scratch register to DImode. Split to DImode comparison operator.
4255 Use SImode subreg of scratch register in the multiplication.
4256 (*cmp_sadd_sidi): Ditto.
4257 (*cmp_ssub_si): Ditto.
4258 (*cmp_ssub_sidi): Ditto.
4260 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4263 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4264 Remove invalid assert and wrong comment.
4266 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4269 * flags.h (final_insns_dump_p): New extern.
4270 * final.c (final_insns_dump_p): New variable.
4271 (rest_of_clean_state): Set it before -fdump-final-insns=
4272 dumping, clear afterwards.
4273 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4274 MEM_ALIAS_SET on MEMs.
4276 2010-03-26 David S. Miller <davem@davemloft.net>
4278 * configure.ac: Fix sparc GOTDATA_OP bug check.
4279 * configure: Rebuild.
4281 2010-03-26 Alan Modra <amodra@gmail.com>
4283 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4285 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4287 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4288 TLS_SECTION_ASM_FLAG.
4290 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4293 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4294 Clear first_function_block_is_cold.
4297 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4298 argument if the argument is truth_value_p.
4300 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4302 * config/rs6000/constraints.md: Update copyright year for my changes.
4305 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4306 used in reg+reg addressing, swap registers.
4308 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4311 * target.h (struct gcc_target): Add code_end hook.
4312 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4314 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4315 * toplev.c (compile_file): Call targetm.asm_out.code_end
4316 hook before unwind info/debug info output.
4317 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4318 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4319 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4320 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4321 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4322 * config/i386/i386.c (ix86_file_end): Renamed to...
4323 (ix86_code_end): ... this. Make static. Don't call
4324 file_end_indicate_exec_stack. Emit unwind info using
4325 final_start_function/final_end_function.
4326 (darwin_x86_file_end): Remove.
4327 (TARGET_ASM_CODE_END): Define.
4328 * config/i386/i386.h (TARGET_ASM_FILE_END,
4329 NEED_INDICATE_EXEC_STACK): Don't define.
4330 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4331 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4332 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4333 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4336 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4337 at the beginning and final_end_function at the end.
4338 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4340 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4342 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4343 and Sun as TLS syntax.
4344 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4345 * configure: Regenerate.
4346 * config.in: Regenerate.
4347 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4348 (default_elf_asm_named_section): Use it.
4349 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4350 (i386_output_dwarf_dtprel): Likewise.
4351 (output_addr_const_extra): Likewise.
4352 (output_pic_addr_const): Lowercase @GOTTPOFF.
4353 (output_addr_const_extra): Likewise.
4354 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4355 (output_addr_const_extra): Likewise.
4356 (output_pic_addr_const): Lowercase @INDNTPOFF.
4357 (output_addr_const_extra): Likewise.
4358 (output_pic_addr_const): Lowercase @NTPOFF.
4359 (output_addr_const_extra): Likewise.
4360 (output_pic_addr_const): Lowercase @TPOFF.
4361 (output_addr_const_extra): Likewise.
4362 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4363 (*tls_global_dynamic_64): Likewise.
4364 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4365 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4367 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4368 (ASM_OUTPUT_TLS_COMMON): Use it.
4369 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4372 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4373 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4374 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4375 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4376 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4377 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4379 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4381 * config/i386/i386.c (override_options): Don't accept
4382 -mtls-dialect=sun any longer.
4383 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4384 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4385 (*tls_local_dynamic_base_32_sun): Likewise.
4386 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4388 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4391 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4392 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4395 * ira.c (adjust_cleared_regs): New function.
4396 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4400 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4402 * expr.c (expand_expr_real): Restore previous
4403 curr_insn_source_location and curr_insn_block after
4404 expand_expr_real_1 call.
4405 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4406 instead of expand_expr_real_1.
4408 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4410 PR rtl-optimization/43413
4411 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4414 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4417 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4418 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4420 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4422 * config/i386/i386.c (ix86_target_string): Add -mfma.
4423 Fix a typo in comment.
4425 2010-03-22 Mike Stump <mikestump@comcast.net>
4428 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4429 Don't overly align based upon packed packed fields.
4431 2010-03-22 Jason Merrill <jason@redhat.com>
4433 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4434 Use () rather than [], and move before the element type.
4436 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4438 * doc/configfiles.texi (Configuration Files): Removed
4439 fixinc/Makefile*, intl/Makefile.*.
4440 * doc/makefile.texi: Fixed markup. Abstract from version
4441 control system used.
4442 (Makefile): Removed obsolete gcc/java/parse.y example.
4443 * doc/sourcebuild.texi: Likewise.
4444 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4445 libgomp, libssp. Removed fastjar.
4446 (Miscellaneous Docs): Clarify location.
4447 Added COPYING3, COPYING3.LIB.
4448 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4450 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4453 * config/i386/i386.c (x86_function_profiler)
4454 [!NO_PROFILE_COUNTERS]: Fix typo.
4455 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4458 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4459 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4461 * doc/sourcebuild.texi (Test Directives): Split into six
4462 subsections, with most of the current text in new subsections
4463 Directives, Selectors, and Final Actions.
4464 (Directives): Split list of test directives into multiple
4466 (Selectors): Describe use and syntax of selectors.
4467 (Effective-Target Keywords): Describe all existing keywords.
4468 (Add Options): Describe features for dg-add-options.
4469 (Require Support): Describe variants of dg-require-support.
4470 (Final Actions): Describe commands to use in dg-final.
4472 2010-03-22 Michael Matz <matz@suse.de>
4475 * recog.c (validate_replace_rtx_group): Replace also in
4476 REG_EQUAL and REG_EQUIV notes.
4478 2010-03-22 Richard Guenther <rguenther@suse.de>
4480 PR tree-optimization/43390
4481 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4482 sure vector extracts are type correct.
4484 2010-03-22 Richard Guenther <rguenther@suse.de>
4487 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4488 x * sqrt (x) even when optimizing for size if the target
4489 has native support for sqrt.
4491 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4493 * varasm.c (make_decl_rtl_for_debug): Also clear
4494 flag_mudflap for the duration of make_decl_rtl call.
4497 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4498 locs from preserved VALUEs.
4500 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4503 * pa.md (movmemsi): Set align to one if zero.
4504 (movmemdi): Likewise.
4506 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4509 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4510 with their corresponding prologue pushes.
4512 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4515 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4516 at the begining or end.
4517 (spu_expand_epilogue): Likewise.
4519 2010-03-20 Richard Guenther <rguenther@suse.de>
4521 PR rtl-optimization/43438
4522 * combine.c (make_extraction): Properly zero-/sign-extend an
4523 extraction of the low part of a CONST_INT. Also handle
4526 2010-03-19 Mike Stump <mikestump@comcast.net>
4528 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4529 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4530 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4532 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4535 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4538 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4540 PR rtl-optimization/42258
4541 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4542 use that may match DEF.
4545 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4546 the cost of loading the constant rather than assuming
4548 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4549 outer code is AND, do the same tests as the andsi3 expander and
4550 return COSTS_N_INSNS (1) if and is cheap.
4552 * optabs.c (avoid_expensive_constant): Fix formatting.
4554 2010-03-19 Michael Matz <matz@suse.de>
4557 * attribs.c (decl_attributes): When rebuilding a function pointer
4558 type use the same qualifiers as the original pointer type.
4560 2010-03-19 Martin Jambor <mjambor@suse.cz>
4562 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4563 and is_gimple_ip_invariant_address.
4565 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4568 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4570 * config/arm/arm.c (arm_override_options): Turn off
4571 flag_dwarf2_cfi_asm for AAPCS variants.
4573 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4576 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4577 Use PRE_MODIFY instead of PRE_DEC.
4578 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4579 (vfp_emit_fstmd): Likewise.
4581 2010-03-19 Michael Matz <matz@suse.de>
4584 * builtins.c (expand_builtin_interclass_mathfn,
4585 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4588 2010-03-19 Richard Guenther <rguenther@suse.de>
4590 PR tree-optimization/43415
4591 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4592 (phi_translate_1): ... this.
4593 (phi_translate): Move all caching here. Cache all NARY
4594 and REFERENCE translations.
4596 2010-03-19 David S. Miller <davem@davemloft.net>
4598 With help from Eric Botcazou.
4599 * config/sparc/sparc.c: Include dwarf2out.h.
4600 (emit_pic_helper): Delete.
4601 (pic_helper_symbol_name): Delete.
4602 (pic_helper_emitted_p): Delete.
4603 (pic_helper_needed): New.
4604 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4605 (get_pc_thunk_name): New.
4606 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4607 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4608 Set pic_helper_needed to true. Don't call emit_pic_helper.
4609 (sparc_expand_prologue): Update load_pic_register call.
4610 (sparc_output_mi_thunk): Likewise.
4611 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4612 thunk if possible. Output CFI information as needed.
4614 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4615 Jack Howarth <howarth@bromo.med.uc.edu>
4618 * config/i386/i386.h: Fix ABI on darwin x86-32.
4620 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4622 * tree.h: Declare make_decl_rtl_for_debug.
4623 * varasm.c (make_decl_rtl_for_debug): New.
4624 * dwarf2out.c (rtl_for_decl_location): Call it.
4625 * cfgexpand.c (expand_debug_expr): Call it.
4627 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4630 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4634 * var-tracking.c (vt_init_cfa_base): Do nothing if
4635 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4637 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4640 * var-tracking.c (canonicalize_vars_star): New.
4641 (dataflow_post_merge_adjust): Use it.
4643 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4646 * var-tracking.c (non_suitable_const): New function.
4647 (add_uses): For DEBUG_INSNs with constants, don't record any
4648 value, instead just the constant value itself.
4649 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4650 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4651 (emit_notes_in_bb): Likewise.
4652 (emit_note_insn_var_location): For onepart variables if
4653 cur_loc is a VOIDmode constant, use DECL_MODE.
4655 2010-03-18 Martin Jambor <mjambor@suse.cz>
4658 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4659 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4660 all non-clones. Moved call redirection...
4661 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4662 (cgraph_materialize_all_clones): Dispose of all
4663 combined_args_to_skip bitmaps.
4664 (verify_cgraph_node): Do not check for edges pointing to wrong
4665 nodes in inline clones.
4666 * tree-inline.c (copy_bb): Call
4667 cgraph_redirect_edge_call_stmt_to_callee.
4668 * ipa.c (cgraph_remove_unreachable_nodes): Call
4669 cgraph_node_remove_callees even when there are used clones.
4671 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4673 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4675 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4678 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4681 2010-03-18 Michael Matz <matz@suse.de>
4684 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4685 into sqrt(x) if we need to preserve signed zeros.
4687 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4688 Eric Botcazou <ebotcazou@adacore.com>
4690 PR rtl-optimization/43360
4691 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4692 note if we don't know its invariant status.
4694 2010-03-18 Michael Matz <matz@suse.de>
4696 PR tree-optimization/43402
4697 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4698 PHI chains of ssa names registered for update.
4700 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4703 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4704 non-offsettable and pre_modify update addressing.
4705 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4706 and "2" alternatives "#".
4707 (*movdd_softfloat32): Make all alternatives "#";
4708 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4709 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4710 (*movdf_softfloat32): Make all alternatives "#";
4711 (movdi): Use the new DIFD mode iterator to create a common splitter
4712 for movdi, movdf and movdd patterns.
4714 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4716 * common.opt (dumpdir): Remove redundant tab.
4718 2010-03-17 Martin Jambor <mjambor@suse.cz>
4720 PR tree-optimization/43347
4721 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4722 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4724 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4726 PR rtl-optimization/42216
4727 * regrename.c (create_new_chain): New function, broken out from...
4728 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4729 appending a use to an empty chain.
4730 (build_def_use): Remove previous changes that convert OP_INOUT to
4731 OP_OUT operands; instead detect the case where an OP_INOUT operand
4732 uses a previously untracked register and create an empty chain for it.
4734 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4736 * doc/extend.texi (Function Attributes): Rewrite unfinished
4737 sentence in ms_abi documentation.
4739 2010-03-17 Alan Modra <amodra@gmail.com>
4741 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4742 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4743 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4744 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4746 2010-03-16 Richard Henderson <rth@redhat.com>
4749 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4750 (lower_try_finally): Save and restore eh_seq around the expansion
4753 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4755 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4756 statements before splitting block.
4758 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4760 * doc/sourcebuild.texi (Testsuites): Fix markup.
4761 Use pathnames relative to gcc/testsuite.
4762 (Test Directives): Move description of how timeout is determined.
4763 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4764 (C Tests): Correct gcc.misc-tests directory.
4765 Framework tests now live in gcc.test-framework.
4767 2010-03-16 Richard Guenther <rguenther@suse.de>
4770 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4771 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4773 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4774 Alexandre Oliva <aoliva@redhat.com>
4776 PR tree-optimization/42917
4777 * lambda-code.c (remove_iv): Skip debug statements.
4778 (lambda_loopnest_to_gcc_loopnest): Likewise.
4779 (not_interesting_stmt): Debug statements are not interesting.
4781 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4785 * cselib.c (cselib_preserve_constants,
4786 cfa_base_preserved_val): New static variables.
4787 (preserve_only_constants): New function.
4788 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4789 clear its REG_VALUES. If cselib_preserve_constants, don't
4790 empty the whole hash table, but preserve there VALUEs with constants,
4791 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4792 (cselib_preserve_cfa_base_value): New function.
4793 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4794 (cselib_init): Change argument to int bitfield. Set
4795 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4797 (cselib_finish): Clear cselib_preserve_constants and
4798 cfa_base_preserved_val.
4799 * cselib.h (enum cselib_record_what): New enum.
4800 (cselib_init): Change argument to int.
4801 (cselib_preserve_cfa_base_value): New prototype.
4802 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4803 * dse.c (dse_step1): Likewise.
4804 * cfgcleanup.c (thread_jump): Likewise.
4805 * sched-deps.c (sched_analyze): Likewise.
4806 * gcse.c (local_cprop_pass): Likewise.
4807 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4808 If FN is non-NULL, call the callback always and whenever it returns
4809 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4810 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4811 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4812 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4813 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4814 * var-tracking.c: Include recog.h.
4815 (bb_stack_adjust_offset): Remove.
4816 (vt_stack_adjustments): Don't call it, instead just gather the
4817 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4818 (adjust_stack_reference): Remove.
4819 (compute_cfa_pointer): New function.
4820 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4821 (struct adjust_mem_data): New type.
4822 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4824 (get_address_mode): New function.
4825 (replace_expr_with_values): Use it.
4826 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4827 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4828 (adjust_sets): Remove.
4829 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4830 Use get_address_mode.
4831 (get_adjusted_src): Remove.
4832 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4833 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4834 (add_with_sets): Don't call adjust_sets.
4835 (fp_setter, vt_init_cfa_base): New functions.
4836 (vt_initialize): Change return type to bool. Move most of pool etc.
4837 initialization to the beginning of the function from end. Pass
4838 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4839 If !frame_pointer_needed, call vt_stack_adjustment before mos
4840 vector is filled, call vt_init_cfa_base if argp/framep has been
4841 eliminated to sp. If frame_pointer_needed and argp/framep has
4842 been eliminated to hard frame pointer, set
4843 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4844 encountering fp setter in the prologue. For MO_ADJUST, call
4845 log_op_type before pusing the op into mos vector, not afterwards.
4846 Call adjust_insn before cselib_process_insn/add_with_sets,
4847 call cancel_changes (0) afterwards.
4848 (variable_tracking_main_1): Adjust for vt_initialize calling
4849 vt_stack_adjustments and returning whether it succeeded or not.
4851 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4853 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4856 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4858 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4860 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4861 drap_reg has not been set.
4863 2010-03-15 Michael Matz <matz@suse.de>
4866 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4867 use it to expand block copies.
4868 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4869 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4870 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4872 2010-03-15 Richard Guenther <rguenther@suse.de>
4874 PR tree-optimization/43367
4875 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4878 2010-03-15 Richard Guenther <rguenther@suse.de>
4880 PR tree-optimization/43317
4881 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4883 2010-03-15 Martin Jambor <mjambor@suse.cz>
4885 PR tree-optimization/43141
4886 * tree-sra.c (create_abstract_origin): New function.
4887 (modify_function): Call create_abstract_origin.
4889 2010-03-15 Chris Demetriou <cgd@google.com>
4891 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4894 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4897 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4898 call insert_out_of_ssa_copy for default definitions.
4900 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4902 * graphite-clast-to-gimple.c (my_long_long): Defined.
4903 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4904 * graphite-sese-to-poly.c (my_long_long): Defined.
4905 (scop_ivs_can_be_represented): Use it.
4907 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4909 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4910 graphite-max-bbs-per-function, and loop-block-tile-size.
4911 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4913 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4915 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4917 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4918 forward declaration.
4919 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4920 (add_upper_bounds_from_estimated_nit): New.
4921 (build_loop_iteration_domains): Use it.
4923 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4925 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4927 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4930 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4931 should be an INTEGER_CST. Also handle CASE_CONVERT.
4933 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4935 * graphite.c (graphite_initialize): To bound the number of bbs per
4936 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4937 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4938 * doc/invoke.texi: Document it.
4940 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4942 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4943 * graphite-sese-to-poly.h (build_poly_scop): Same.
4945 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4947 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4948 the number of parameters in the scop. Use as an upper bound
4949 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4950 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4951 * doc/invoke.texi: Document it.
4953 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4955 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4956 * doc/c-tree.texi: Remove.
4957 * doc/generic.texi: Merge c-tree.texi here.
4958 * doc/gccint.texi (Trees): Remove menu entry.
4959 (c-tree.texi): Remove @include.
4960 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4961 * doc/languages.texi (Reading RTL): Ditto.
4963 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4966 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4968 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4971 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4972 code added to work around reload clobbering CONST insns.
4974 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4976 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4977 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4978 (cselib_preserve_only_values): Remove retain argument, don't
4979 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4980 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4981 * var-tracking.c (micro_operation): Move insn field before union.
4982 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4983 (struct variable_tracking_info_def): Remove n_mos field, change
4984 mos into a vector of micro_operations.
4985 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4986 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4987 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4988 changing into a vector.
4989 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4990 come before all other uops generated by add_stores.
4991 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4993 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4994 a vector. Run just one pass over the bbs instead of separate counting
4995 and computation phase.
4996 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4999 * tree-inline.c (remap_decls): Put old_var rather than origin_var
5000 into *nonlocalized_list vector.
5001 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
5002 even if origin is non-NULL.
5003 (gen_variable_die): Likewise.
5004 (process_scope_var): Don't change origin.
5005 (gen_decl_die): Likewise.
5006 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
5007 before adding new edges instead of after it, fix moving over
5010 2010-03-11 David S. Miller <davem@davemloft.net>
5012 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
5014 * configure: Rebuild.
5016 2010-03-11 Martin Jambor <mjambor@suse.cz>
5018 PR tree-optimization/43257
5019 * tree.c (assign_assembler_name_if_neeeded): New function.
5020 (free_lang_data_in_cgraph): Assembler name assignment moved to the
5022 * tree.h (assign_assembler_name_if_neeeded): Declare.
5023 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
5024 the function if needed.
5026 2010-03-11 Chris Demetriou <cgd@google.com>
5028 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5029 include/stdint-gcc.h, and include/stdint.h world-readable.
5031 2010-03-11 Richard Guenther <rguenther@suse.de>
5033 PR tree-optimization/43255
5034 * tree-vrp.c (process_assert_insertions_for): Do not insert
5035 asserts for trivial conditions.
5037 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5039 PR tree-optimization/43280
5040 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5041 generation. Move calculation of size out of the if branch.
5042 (find_bswap): Modify compare number generation.
5044 2010-03-11 Richard Guenther <rguenther@suse.de>
5047 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5048 (input_gimple_stmt): Fixup handled component types during
5049 operand read. Also fix up decls in ADDR_EXPRs.
5051 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5053 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5054 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5056 2010-03-10 Jan Hubicka <jh@suse.cz>
5059 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5060 * varasm.c (get_variable_section): Don't do that here...
5061 (make_decl_rtl): ... and here.
5062 (do_assemble_alias): Produce decl RTL.
5063 (assemble_alias): Likewise.
5065 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5068 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5069 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5071 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5072 (based_loc_descr): Only express drap or vdrap regno based expressions
5073 using DW_OP_fbreg when not optimizing.
5074 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5075 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5076 REG_CFA_SET_VDRAP note.
5078 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5080 PR tree-optimization/43236
5081 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5082 error in calculation of base address in reverse iteration case.
5083 (generate_builtin): Take number of latch executions if the statement
5086 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5089 * tree-eh.c: Include pointer-set.h.
5090 (lower_eh_dispatch): Filter out duplicate case labels and
5091 remove the unneeded edge when the label is unused. Return
5092 true when some edges are removed.
5093 (execute_lower_eh_dispatch): When any lowering resulted in
5094 removing an edge, also delete unreachable blocks.
5096 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5099 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5100 UNSPEC_MACHOPIC_OFFSET.
5102 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5105 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5106 (m68k_delegitimize_address): New function.
5108 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5111 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5114 * var-tracking.c (adjust_sets): New function.
5115 (count_with_sets, add_with_sets): Use it.
5116 (get_adjusted_src): New inline function.
5117 (add_stores): Use it.
5120 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5121 call cselib_dummy_expand_value_rtx_cb instead of
5122 cselib_expand_value_rtx_cb.
5125 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5126 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5127 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5128 and .cfi_endproc around the pic thunks.
5129 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5130 all queued unwind info register saves are saved before the call.
5131 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5132 considered as sp-=4 for unwind info and the pop as sp+=4 which
5133 also clobbers dest, but doesn't actually restore it.
5136 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5137 RTX_FRAME_RELATED_P.
5139 2010-03-09 Jie Zhang <jie@codesourcery.com>
5141 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5142 whitespaces in output template.
5144 2010-03-09 Jie Zhang <jie@codesourcery.com>
5146 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5149 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5151 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5152 builtins.exp in a separate job.
5154 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5156 * graphite-sese-to-poly.c (add_param_constraints): Use
5157 lower_bound_in_type and upper_bound_in_type.
5159 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5161 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5162 instead of unsigned_type_node.
5164 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5165 Reza Yazdani <reza.yazdani@amd.com>
5168 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5169 on pointer type parameters.
5171 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5175 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5176 handle conversions from pointer to integers.
5177 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5178 induction variable, to be able to work with code generated by CLooG.
5179 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5180 (build_poly_scop): Bail out if we cannot codegen a loop.
5182 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5184 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5185 code generation with gloog_error.
5187 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5189 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5190 Call fold_convert on all the returned values.
5191 (expand_scalar_variables_expr): Pass to
5192 expand_scalar_variables_ssa_name the type of the resulting expression.
5194 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5196 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5197 ppl_min_for_le_pointset.
5198 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5199 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5201 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5203 * graphite-dependences.c (map_into_dep_poly): Removed.
5204 (dependence_polyhedron_1): Use combine_context_id_scat.
5206 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5208 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5209 (struct poly_bb): Same.
5210 (combine_context_id_scat): New.
5212 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5215 * sese.c (name_defined_in_loop_p): Return false for default
5218 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5220 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5221 and clean up the logic.
5223 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5225 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5228 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5230 * var-tracking.c (remove_cselib_value_chains): Define only for
5232 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5233 delete_slot_part, emit_notes_for_differences_1): Don't call
5234 remove_cselib_value_chains here.
5235 (set_slot_part, emit_notes_for_differences_2): Don't call
5236 add_cselib_value_chains here.
5237 (preserved_values): New vector.
5238 (preserve_value): New function.
5239 (add_uses, add_stores, vt_add_function_parameters): Use it
5240 instead of cselib_preserve_value.
5241 (changed_values_stack): New vector.
5242 (check_changed_vars_0): New function.
5243 (check_changed_vars_1, check_changed_vars_2): Use it.
5244 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5245 changed_values_stack VALUEs.
5246 (vt_emit_notes): For all preserved_values call
5247 add_cselib_value_chains. If ENABLE_CHECKING call
5248 remove_cselib_value_chains before verifying value_chains is empty.
5249 Initialize and free changed_values_stack.
5250 (vt_initialize): Initialize preserved_values.
5251 (vt_finalize): Free preserved_values.
5253 2010-03-08 Richard Guenther <rguenther@suse.de>
5255 PR tree-optimization/43269
5256 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5259 2010-03-08 Martin Jambor <mjambor@suse.cz>
5261 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5262 (ipa_is_param_called): Removed.
5263 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5264 (ipa_print_node_params): Do not print the called flag.
5265 (ipa_write_node_info): Do not stream the called flag.
5266 (ipa_read_node_info): Likewise.
5268 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5271 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5272 * cselib.c (struct expand_value_data): Add dummy field.
5273 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5275 (cselib_dummy_expand_value_rtx_cb): New function.
5276 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5278 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5279 * var-tracking.c: Include pointer-set.h.
5280 (variable): Change n_var_parts to char from int. Add
5281 cur_loc_changed and in_changed_variables fields.
5282 (variable_canonicalize): Remove.
5283 (shared_var_p): New inline function.
5284 (unshare_variable): Maintain cur_loc_changed and
5285 in_changed_variables fields. If var was in changed_variables,
5286 replace it there with new_var. Just copy cur_loc instead of
5287 resetting it to something else.
5288 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5289 (dataflow_set_union): Don't call variable_canonicalize.
5290 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5291 of their DEBUG_EXPR_TREE_DECLs.
5292 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5293 and in_changed_variables and cur_loc_changed is false.
5294 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5295 and cur_loc_changed. Don't update cur_loc here.
5296 (variable_merge_over_src): Don't call variable_canonicalize.
5297 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5298 removing loc that is equal to cur_loc, clear cur_loc,
5299 set cur_loc_changed and ensure variable_was_changed is called.
5300 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5301 compare pointers in cur_loc check, if it is equal to loc,
5302 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5303 (variable_different_p): Remove compare_current_location argument,
5304 don't compare cur_loc.
5305 (dataflow_set_different_1): Adjust variable_different_p caller.
5306 (variable_was_changed): If dv had some var in changed_variables
5307 already, reset in_changed_variables flag for it and propagate
5308 cur_loc_changed over to the new variable. On empty var
5309 always set cur_loc_changed. Set in_changed_variables on whatever
5310 var is added to changed_variables.
5311 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5312 Use shared_var_p. When removing loc that is equal to cur_loc,
5313 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5314 end, don't set it to something else, just call variable_was_changed.
5315 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5316 loc being removed, clear cur_loc and set cur_loc_changed.
5317 Set cur_loc_changed if all locations have been removed.
5318 (struct expand_loc_callback_data): New type.
5319 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5320 allocated. Always create SUBREGs if simplify_subreg failed.
5321 Prefer to use cur_loc, when that fails and still in
5322 changed_variables (and seen first time) recompute it. Set
5323 cur_loc_changed of variables which had to change cur_loc and
5324 compute elcd->cur_loc_changed if any of the subexpressions used
5325 had to change cur_loc.
5326 (vt_expand_loc): Adjust to pass arguments in
5327 expand_loc_callback_data structure.
5328 (vt_expand_loc_dummy): New function.
5329 (emitted_notes): New variable.
5330 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5331 that weren't used for any other decl in current
5332 emit_notes_for_changes call call vt_expand_loc_dummy to update
5333 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5334 first loc_chain location if NULL before. Always use just
5335 cur_loc instead of first loc_chain location. When cur_loc_changed
5336 is false, when not --enable-checking=rtl just don't emit any note.
5337 When rtl checking, compute the note and assert it is the same
5338 as previous note. Clear cur_loc_changed and in_changed_variables
5339 at the end before removing from changed_variables.
5340 (check_changed_vars_3): New function.
5341 (emit_notes_for_changes): Traverse changed_vars to call
5342 check_changed_vars_3 on each changed var.
5343 (emit_notes_for_differences_1): Clear cur_loc_changed and
5344 in_changed_variables. Recompute cur_loc of new_var.
5345 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5346 (vt_emit_notes): Initialize and destroy emitted_notes.
5348 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5350 PR rtl-optimization/42220
5351 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5352 Use verify_reg_tracked to determine if we should use OP_OUT rather
5354 (build_def_use): If we see an in-out operand for a register that we
5355 know nothing about, treat is an output if possible, fail the block if
5358 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5361 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5364 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5367 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5368 uses of relevant DEFs that are dead outside the loop too.
5370 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5372 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5374 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5376 * var-tracking.c (values_to_unmark): New variable.
5377 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5378 values_to_unmark vector. Moved body to...
5379 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5380 instead queue it into values_to_unmark vector.
5381 (vt_find_locations): Free values_to_unmark vector.
5383 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5385 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5386 (site.exp): Export them when plugins are enabled.
5388 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5391 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5393 (chrec_fold_multiply): Same.
5395 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5398 * c-decl.c (build_compound_literal): Return early if init is
5401 2010-03-04 Martin Jambor <mjambor@suse.cz>
5403 PR tree-optimization/43164
5404 PR tree-optimization/43191
5405 * tree-sra.c (type_consists_of_records_p): Reject records with
5406 zero-size bit-fields at the end.
5408 2010-03-04 Mike Stump <mikestump@comcast.net>
5410 * Makefile.in (TAGS): Remove *.y.
5412 2010-03-04 Richard Guenther <rguenther@suse.de>
5414 PR tree-optimization/40761
5415 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5417 (my_rev_post_order_compute): New function.
5418 (init_pre): Call it.
5420 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5423 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5424 decrease the cost of an IV candidate when the cost is infinite.
5426 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5428 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5429 Use '3DNow!' for the extension of that name, ensure normal space
5431 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5433 2010-03-03 Jeff Law <law@redhat.com>
5435 * PR middle-end/32693
5436 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5437 than gen_rtx_SUBREG.
5438 (extract_bit_field_1): Likewise.
5440 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5442 * doc/sourcebuild.texi (Test directives): Document that arguments
5443 include-opts and exclude-opts are now optional for dg-skip-if,
5444 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5446 2010-03-03 Jason Merrill <jason@redhat.com>
5449 * cgraph.h (varpool_node): Add extra_name field.
5450 * varpool.c (varpool_extra_name_alias): New.
5451 (varpool_assemble_decl): Emit extra name aliases.
5452 (varpool_mark_needed_node): Look past an extra name alias.
5453 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5454 * lto-streamer-in.c (lto_input_tree): Read it.
5455 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5457 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5459 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5460 (sparc*-*-solaris2*): ...this.
5462 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5465 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5466 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5467 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5468 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5471 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5472 fallthrough to default handling, just with want_address 0 instead of 2.
5473 For single element lists, add_AT_loc directly, otherwise create an
5474 artificial variable DIE and stick location list to it.
5477 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5478 (VAL_EXPR_HAS_REVERSE): Define.
5479 (reverse_op): New function.
5480 (add_stores): For reversible operations add an extra MO_VAL_USE.
5482 2010-03-02 Jason Merrill <jason@redhat.com>
5484 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5486 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5488 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5489 (sparc64-*-linux*): Likewise.
5490 (sparc64-*-solaris2*): Include assembler files before linker ones.
5491 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5492 * config/sparc/gas.h: Delete.
5493 * config/sparc/sol2-64.h: Add copyright notice.
5494 * config/sparc/sol2-gas-bi.h: Likewise.
5495 * config/sparc/sol2-gld.h: Likewise.
5496 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5497 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5498 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5499 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5500 (sparc_elf_asm_named_section): Rename into...
5501 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5503 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5505 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5507 2010-03-02 Jeff Law <law@redhat.com>
5510 * reload1.c (rtx_p, substitute_stack): Declare.
5511 (substitute): Record addresses of changed rtxs.
5512 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5513 Restore the original rtx when complete.
5514 (reload): Free subsitute_stack when complete.
5516 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5518 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5519 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5521 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5522 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5523 Torture Tests): Change from subsection to section.
5525 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5526 Steven Bosscher <steven@gcc.gnu.org>
5528 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5531 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5534 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5535 the assignment from the new induction variable to the assignment
5536 of the value from the original loop PHI function.
5538 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5539 Daniel Jacobowitz <dan@codesourcery.com>
5541 * doc/sourcebuild.texi (Test directives): Clarify options to
5544 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5546 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5547 Disable cfi directives unless GCC and gas agree on using read-only
5548 .eh_frame sections for 64-bit.
5549 * configure: Regenerate.
5551 2010-03-01 Richard Guenther <rguenther@suse.de>
5553 PR tree-optimization/43220
5554 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5555 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5557 2010-03-01 Richard Guenther <rguenther@suse.de>
5558 Martin Jambor <mjambor@suse.cz>
5561 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5562 gimplified parameters.
5564 2010-03-01 Christian Bruel <christian.bruel@st.com>
5566 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5568 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5570 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5572 2010-03-01 Richard Guenther <rguenther@suse.de>
5575 * expr.c (expand_assignment): Use the alias-oracle to tell
5576 if the rhs aliases the result decl.
5578 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5581 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5582 to sol_gt_pch_get_address.
5583 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5584 64-bit, SPARC and x86.
5585 (sol_gt_pch_get_address): New function.
5587 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5589 * toplev.h (inform_n, error_n): Declare.
5590 * diagnostic.c (inform_n, error_n): New function.
5592 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5594 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5595 has no rtl yet when processing local_decls, queue it and recheck
5596 if deferred stack allocation hasn't assigned it rtl.
5598 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5600 * config/sh/sh.c (unspec_bbr_uid): New.
5601 (gen_block_redirect): Use it instead of INSN_UID.
5602 (gen_far_branch): Likewise.
5604 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5606 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5607 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5609 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5611 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5612 (Warning Options): -Wno-conversion-null is valid for
5613 Objective-C++ as well.
5614 * doc/tm.texi (Named Address Spaces): Likewise.
5615 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5616 * doc/tree-ssa.texi (Tree SSA): Likewise.
5618 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5621 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5622 by default. Don't set the default arch for
5623 i[34567]86-*-darwin*|x86_64-*-darwin*.
5625 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5628 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5629 default. Set the default 32bit/64bit archs with $with_arch
5630 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5632 2010-02-27 Richard Guenther <rguenther@suse.de>
5634 PR tree-optimization/43186
5635 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5636 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5637 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5638 unroller iterations.
5640 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5642 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5643 required and i[34567]86-*-* targets don't support 64bit ISA.
5645 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5648 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5651 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5653 * config.gcc: Set the default arch at least to Prescott for
5654 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5655 if SSE math is enabled.
5657 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5659 * diagnostic.c (diagnostic_initialize): Update.
5660 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5662 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5663 (diagnostic_inhibit_notes): New.
5664 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5666 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5669 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5670 * doc/standards.texi: Likewise.
5671 * doc/extend.texi: Likewise.
5672 * doc/trouble.texi: Likewise.
5673 * doc/cppopts.texi: Likewise.
5674 * doc/install.texi: Likewise.
5675 * c.opt (std=c90,std=gnu90): New options.
5676 * c-opts.c (c_common_handle_option): Handle them.
5678 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5681 * c-decl.c (undeclared_variable): Use an informative note.
5683 2010-02-26 Richard Guenther <rguenther@suse.de>
5685 PR tree-optimization/43186
5686 * gimple.h (gimple_fold): Remove.
5687 * gimple.c (gimple_fold): Remove. Inline into single user ...
5688 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5689 Try harder for conditions.
5691 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5694 * function.c (used_types_insert): Don't skip through named pointer
5695 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5696 and it is different from the main variant's type.
5698 2010-02-26 Nick Clifton <nickc@redhat.com>
5700 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5702 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5704 * config.gcc: Support --with-fpmath=sse for x86.
5706 * config/i386/ssemath.h: New.
5708 * doc/install.texi (--with-fpmath=sse): Documented.
5710 2010-02-26 Richard Guenther <rguenther@suse.de>
5712 PR tree-optimization/43188
5713 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5714 vector types of over-aligned element type.
5716 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5719 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5720 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5722 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5724 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5726 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5728 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5729 * var-tracking.c: Include diagnostic.h.
5730 (debug_dv): New function.
5731 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5734 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5735 (add_value_chain, add_value_chains, remove_value_chain,
5736 remove_value_chains): Handle DEBUG_EXPRs.
5737 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5740 * regcprop.c (struct queued_debug_insn_change): New type.
5741 (struct value_data_entry): Add debug_insn_changes field.
5742 (struct value_data): Add n_debug_insn_changes field.
5743 (debug_insn_changes_pool): New variable.
5744 (free_debug_insn_changes, apply_debug_insn_changes,
5745 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5746 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5747 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5749 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5751 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5752 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5753 changes, call cprop_find_used_regs via note_stores.
5754 (copyprop_hardreg_forward): When copying vd from predecessor
5755 which has any queued DEBUG_INSN changes, make sure the pointers are
5756 cleared. At the end call df_analyze and then if there are any
5757 DEBUG_INSN changes queued at the end of some basic block for still
5758 live registers, apply them.
5759 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5761 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5763 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5766 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5768 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5769 targets. Set the default with_cpu/with_arch from arch/cpu.
5770 Allow x86-64 and native for with_cpu/with_arch.
5772 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5774 * ebitmap.c: Change calls to verify_popcount with calls to
5775 sbitmap_verify_popcount.
5776 (ebitmap_clear_bit): Fixed map->cacheindex test and
5777 map>cache update when bit clearing results in an empty
5780 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5783 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5784 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5785 and support both V2DF and V2DI modes.
5786 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5787 support both V2DF and V2DI modes.
5788 (general): Delete trailing whitespace from a few patterns.
5790 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5791 V2DF/V2DI interleave high/low builtins.
5793 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5796 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5797 interleave high/low functions.
5799 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5801 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5802 #pragma extern_prefix.
5804 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5807 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5808 BLKmode, assert op0 is a MEM and just adjust its mode.
5811 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5812 if bitpos isn't multiple of mode's bitsize.
5814 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5816 * c.opt (-ftemplate-depth=): New.
5817 (-ftemplate-depth-): Deprecate.
5818 * optc-gen.awk: Handle -ftemplate-depth=.
5819 * opth-gen.awk: Likewise.
5820 * c-opts.c (c_common_handle_option): Likewise.
5821 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5823 2010-02-24 Jason Merrill <jason@redhat.com>
5825 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5827 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5829 * cfg.c (alloc_aux_for_block): Remove inline.
5830 (alloc_aux_for_edge): Likewise.
5832 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5834 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5836 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5838 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5839 * config/i386/sol2-gas.h: New file.
5840 * config.gcc (i[34567]86-*-solaris2*): Use it.
5842 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5845 * c-typeck.c (ep_convert_and_check): New.
5846 (build_conditional_expr): Use it.
5847 (build_binary_op): Likewise.
5849 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5851 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5854 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5855 bounds even for -O+.
5856 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5857 expr needs to have DECL_NAME set.
5859 2010-02-24 Nick Clifton <nickc@redhat.com>
5861 * config/mep/mep.c: Include gimple.h.
5862 (mep_function_uses_sp): Delete unused function.
5863 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5864 parameters. Use unsigned integers to count args. Return a
5865 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5867 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5870 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5871 greater or equal to nelt instead of 2 * nelt.
5872 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5875 2010-02-23 Jason Merrill <jason@redhat.com>
5878 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5879 in cfun->local_decls even if they have register types.
5882 * stor-layout.c (place_field): Don't warn about unnecessary
5883 DECL_PACKED if the type is packed.
5885 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5888 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5889 GOTOFF relocs, even when the base reg isn't pic pointer.
5891 2010-02-23 Michael Matz <matz@suse.de>
5894 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5895 (expand_gimple_basic_block): Generate and use debug temps if there
5896 are debug uses left after the last real use of TERed ssa names.
5897 Unlink debug immediate uses when they are expanded.
5899 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5902 * config/i386/i386.c (override_options): Reorganise to provide
5903 better error messages.
5905 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5908 * graphite-scop-detection.c (create_single_exit_edge): Move
5909 the call to find_single_exit_edge to....
5910 (create_sese_edges): ...here. Don't handle multiple edges
5911 exiting the function.
5912 (build_graphite_scops): Don't handle multiple edges
5913 exiting the function.
5915 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5918 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5919 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5921 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5924 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5926 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5929 * c-typeck.c (convert_arguments): Print declaration location.
5930 * c-common.c (validate_nargs): Rename as
5931 builtin_function_validate_nargs.
5932 (check_builtin_function_arguments): Update.
5934 2010-02-22 Richard Guenther <rguenther@suse.de>
5937 * tree-inline.c (declare_return_variable): Use the type of
5938 the call stmt lhs if available.
5940 2010-02-22 Duncan Sands <baldrick@free.fr>
5942 * passes.c (register_pass): Always consider all pass lists when
5943 ref_pass_instance_number is zero.
5945 2010-02-22 Richard Guenther <rguenther@suse.de>
5947 PR tree-optimization/42749
5948 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5949 parameter. Do arithmetic in the original type.
5950 (update_accumulator_with_ops): Likewise.
5951 (adjust_accumulator_values): Adjust.
5953 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5955 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5956 (QI to BLKmode splitter): New splitter.
5958 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5960 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5961 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5963 2010-02-22 Richard Guenther <rguenther@suse.de>
5965 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5967 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5969 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5970 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5971 ($(T)crti.o, $(T)crtn.o): Remove rules.
5973 2010-02-21 Tobias Burnus <burnus@net-b.de>
5976 * doc/invoke.texi (-fassociative-math): Document that this
5977 option is automatically enabled for Fortran.
5979 2010-02-20 David S. Miller <davem@davemloft.net>
5981 * configure.ac: Test if linker and assembler properly support
5982 GOTDATA_OP relocations.
5983 * configure: Rebuild.
5984 * config.in: Likewise.
5985 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5986 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5987 (movsi_high_pic): Likewise.
5988 (movdi_lo_sum_pic): Likewise.
5989 (movdi_high_pic): Likewise.
5990 (movsi_pic_gotdata_op): New pattern.
5991 (movdi_pic_gotdata_op): Likewise.
5992 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5993 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5995 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5998 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5999 attribute to ssemul.
6000 (xop_mulv2div2di3_high): Ditto.
6002 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6005 * c.opt (Wconversion-null): New option.
6006 * doc/invoke.texi (Wconversion-null): Document.
6008 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6010 * common.opt (Wlarger-than-): Add Undocumented.
6012 2010-02-19 Mike Stump <mikestump@comcast.net>
6014 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
6016 2010-02-19 Jason Merrill <jason@redhat.com>
6019 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
6020 * configure: Likewise.
6022 2010-02-20 Alan Modra <amodra@gmail.com>
6025 * cgraph.h (cgraph_make_decl_local): Declare.
6026 * cgraph.c (cgraph_make_decl_local): New function.
6027 (cgraph_make_node_local): Use it.
6028 * cgraphunit.c (cgraph_function_versioning): Likewise.
6029 * ipa.c (function_and_variable_visibility): Likewise.
6031 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6034 * except.c (sjlj_emit_function_enter): Don't call
6035 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6037 * rtl.h (add_reg_br_prob_note): Remove prototype.
6039 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6042 * c-common.c (conversion_warning): Remove widening conversions
6043 before checking the conversion of integers to reals.
6045 2010-02-19 Mike Stump <mikestump@comcast.net>
6048 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6051 * cgraphunit.c (process_function_and_variable_attributes): Check
6052 DECL_PRESERVE_P instead of looking up attribute "used".
6053 * ipa-pure-const.c (check_decl): Likewise.
6054 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6055 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6056 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6057 instead of attribute "used".
6058 * config/sol2-c.c (solaris_pragma_init): Likewise.
6059 (solaris_pragma_fini): Likewise.
6061 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6063 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6064 Use XCNEW instead of xcalloc.
6065 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6066 XNEW instead of xmalloc.
6067 (get_fields): Use XNEWVEC instead of xmalloc.
6070 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6071 populate vars array.
6072 (create_new_general_access): For debug stmts just reset value.
6073 (get_stmt_accesses): For accesses within debug stmts just record them
6074 using add_access_to_acc_sites instead of preventing the peeling or
6075 counting them as accesses.
6078 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6080 2010-02-19 Richard Guenther <rguenther@suse.de>
6082 PR tree-optimization/42916
6083 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6086 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6088 * configure.ac: Replace all uses of changequote in macro arguments
6089 with proper quoting.
6091 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6094 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6096 2010-02-19 Richard Guenther <rguenther@suse.de>
6098 PR tree-optimization/42944
6099 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6100 test for aliasing with errno.
6102 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6105 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6106 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6107 * dojump.c: Include output.h.
6108 (inv): New inline function.
6109 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6110 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6111 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6112 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6113 argument, pass it down to other calls.
6114 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6115 add REG_BR_PROB note to the conditional jump.
6116 * cfgexpand.c (add_reg_br_prob_note): Removed.
6117 (expand_gimple_cond): Don't call it, add the probability
6118 as last argument to jumpif_1/jumpifnot_1.
6119 * Makefile.in (dojump.o): Depend on output.h.
6120 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6122 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6123 * stmt.c (do_jump_if_equal): Likewise.
6124 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6125 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6126 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6128 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6129 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6130 jumpifnot_1 callers.
6131 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6133 (store_expr): Adjust jumpifnot caller.
6134 (store_constructor): Adjust jumpif caller.
6137 * gimplify.c (gimple_boolify): For __builtin_expect call
6138 gimple_boolify also on its first argument.
6140 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6142 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6144 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6145 * configure: Regenerated.
6147 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6149 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6150 lang_hooks.types_compatible_p instead of comptypes.
6152 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6154 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6155 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6156 if __prefer_thumb__ is defined.
6158 2010-02-18 Martin Jambor <mjambor@suse.cz>
6160 PR tree-optimization/43066
6161 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6162 array with zero-sized element type.
6164 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6166 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6167 rtx, allocate struct var_loc_node here and return it to the
6168 caller, and only if it is actually needed.
6169 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6170 move it earlier and return immediately if it returns NULL.
6172 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6174 * config/sparc/gas.h: New file. Restore
6175 TARGET_ASM_NAMED_SECTION to its ELF default.
6176 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6178 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6179 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6180 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6181 after sparc/sysv4.h.
6183 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6185 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6187 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6189 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6190 patterns from predicated pattern.
6192 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6195 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6196 for insn mnemonic suffix.
6198 2010-02-17 Richard Guenther <rguenther@suse.de>
6200 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6203 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6206 * caller-save.c (save_call_clobbered_regs): If BB ends with
6207 a DEBUG_INSN, move any notes in between last real insn and the last
6208 DEBUG_INSN after the last DEBUG_INSN.
6210 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6212 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6213 Fix return type. Fix argument type. Explain meaning of return value.
6215 2010-02-16 Richard Guenther <rguenther@suse.de>
6217 PR tree-optimization/41043
6218 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6219 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6221 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6223 2010-02-16 Ira Rosen <irar@il.ibm.com>
6225 PR tree-optimization/43074
6226 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6227 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6228 vectorizable cycles in hybrid SLP check.
6229 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6231 2010-02-16 Richard Guenther <rguenther@suse.de>
6233 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6234 (true_dependence): If memrefs_conflict_p computes must-alias
6235 trust it. Move TBAA check after offset-based disambiguation.
6236 (canon_true_dependence): Likewise.
6238 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6240 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6241 * doc/invoke.texi: Document it.
6242 * var-tracking.c: Include toplev.h and params.h.
6243 (vt_find_locations): Return bool indicating success. Compute
6244 hash sizes unconditionally. Check new parameter, report.
6245 (variable_tracking_main_1): Check vt_find_locations results and
6246 retry. Renamed from...
6247 (variable_tracking_main): ... this. New wrapper to preserve
6248 flag_var_tracking_assignments.
6249 * Makefile.in (var-tracking.o): Adjust dependencies.
6251 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6252 Jakub Jelinek <jakub@redhat.com>
6255 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6256 if weak_import attribute is present.
6257 * config/darwin.c (machopic_select_section): Likewise.
6259 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6261 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6262 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6263 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6264 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6266 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6269 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6272 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6273 Rewrite text to refer to the names.
6275 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6277 * config/i386/i386-builtin-types.def
6278 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6279 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6280 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6281 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6282 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6283 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6284 IX86_BUILTIN_VPERMIL2PS256.
6285 (MULTI_ARG_4_DF2_DI_I): Defined.
6286 (MULTI_ARG_4_DF2_DI_I1): Defined.
6287 (MULTI_ARG_4_SF2_SI_I): Defined.
6288 (MULTI_ARG_4_SF2_SI_I1): Defined.
6289 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6290 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6291 __builtin_ia32_vpermil2ps256.
6292 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6293 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6294 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6295 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6296 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6297 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6298 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6299 CODE_FOR_xop_vpermil2v8sf3.
6300 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6301 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6302 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6303 (_mm256_permute2_pd): New.
6304 (_mm_permute2_ps): New.
6305 (_mm256_permute2_ps): New.
6307 2010-02-15 Nick Clifton <nickc@redhat.com>
6309 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6310 boolean parameters. Use emit_jump_insn when emitting a pop
6311 instruction containing a return insn.
6312 (push): Use 'true' rather than '1' as second parameter to F.
6313 (h8300_expand_prologue): Likewise.
6314 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6315 (h8300_expand_epilogue): Likewise.
6317 2010-02-15 Richard Guenther <rguenther@suse.de>
6320 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6323 2010-02-15 Nick Clifton <nickc@redhat.com>
6325 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6328 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6330 * intl.c (fake_ngettext): New function.
6331 * intl.h (fake_ngettext): Declare.
6332 (ngettext): Define macro.
6333 * collect2.c (notice_translated): New function.
6334 (main): Use notice_translated and ngettext.
6335 * collect2.h (notice_translated): Declare.
6337 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6339 * reorg.c (delete_computation): Comment fixes.
6340 * caller-save.c (setup_save_areas): Idem.
6341 * sel-sched-dump.c (dump_lv_set): Idem.
6344 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6346 * config/s390/s390.c (s390_sched_init): New function.
6347 (TARGET_SCHED_INIT): Target hook defined.
6349 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6350 Jack Howarth <howarth@bromo.med.uc.edu>
6351 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6354 Partial revert of unintended change in fix for PR41605.
6355 * config/darwin.h: Fix typo.
6356 * config/darwin9.h: Same.
6358 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6360 * c-pch.c (pch_init): Clear v.
6362 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6365 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6366 graphite_can_represent_init for MULT_EXPR.
6368 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6372 * graphite-sese-to-poly.c (remove_phi): New.
6373 (translate_scalar_reduction_to_array): Call remove_phi.
6375 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6378 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6379 * graphite-clast-to-gimple.h (gloog): Update declaration.
6380 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6381 * graphite-poly.h (struct poly_bb): Add missing comments.
6382 (struct scop): Add poly_scop_p field.
6384 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6385 * graphite.c (graphite_transform_loops): Build the polyhedral
6386 representation for each scop before code generation.
6387 * sese.c (rename_variables_in_operand): Removed.
6388 (rename_variables_in_expr): Return the renamed expression.
6389 (rename_sese_parameters): New.
6390 * sese.h (rename_sese_parameters): Declared.
6392 2010-02-11 Richard Guenther <rguenther@suse.de>
6394 PR tree-optimization/42998
6395 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6396 POINTER_PLUS_EXPR properly.
6398 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6399 Changpeng Fang <changpeng.fang@amd.com>
6402 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6403 the cost of an IV candidate when the IV is used in a test against zero.
6405 * gcc.dg/tree-ssa/ivopts-3.c: New.
6407 2010-02-11 Richard Guenther <rguenther@suse.de>
6410 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6411 pointer-vs-decl case by swapping refs. Handle some cases
6412 of pointer-vs-decl disambiguations more conservatively.
6413 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6414 to false after expanding.
6416 2010-02-11 Richard Guenther <rguenther@suse.de>
6419 * gcc.c (process_command): Handle LTO file@offset case more
6422 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6424 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6425 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6427 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6429 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6430 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6431 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6432 Optimize eq/ne comparisons when both arguments are known to be
6434 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6435 Don't mask operands unnecessarily if they are known to be already
6438 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6440 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6443 2010-02-10 Richard Guenther <rguenther@suse.de>
6445 PR tree-optimization/43017
6446 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6447 for wrapping signed arithmetic.
6449 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6452 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6453 if no debug info should be emitted for it.
6455 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6457 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6458 note when flag_exceptions is set.
6460 2010-02-10 Duncan Sands <baldrick@free.fr>
6462 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6464 2010-02-10 Richard Guenther <rguenther@suse.de>
6467 * tree.c (get_unwidened): Handle constants.
6468 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6470 2010-02-10 Martin Jambor <mjambor@suse.cz>
6473 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6474 check for variable argument counts independently.
6476 2010-02-10 Christian Bruel <christian.bruel@st.com>
6479 * config/sh/sh.c (find_barrier): Increase length for non delayed
6480 conditional branches.
6482 2010-02-10 Christian Bruel <christian.bruel@st.com>
6484 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6486 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6488 * builtins.c (set_builtin_user_assembler_name): Also handle
6489 ffs if int is smaller than word.
6491 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6494 * ira-conflicts.c (get_dup): Remove.
6495 (process_reg_shuffles): Add new parameter. Use it as an
6496 additional guard for copy generation.
6497 (add_insn_allocno_copies): Rewrite.
6499 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6501 * common.opt (fsched2-use-traces): Preserved for backward
6503 * doc/invoke.texi: Remove the documentation about option
6504 -fsched2-use-traces.
6505 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6506 flag_sched2_use_traces.
6507 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6508 the backward compatibility flag section.
6510 2010-02-09 Richard Guenther <rguenther@suse.de>
6512 PR tree-optimization/43008
6513 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6514 make HEAP variables initialized from global memory if they
6515 are not known builtin functions.
6516 (find_func_aliases): Adjust.
6518 2010-02-09 Richard Guenther <rguenther@suse.de>
6520 PR tree-optimization/43000
6521 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6522 arithmetic manually.
6524 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6526 PR tree-optimization/42931
6527 * tree-loop-linear.c (try_interchange_loops): Don't call
6528 double_int_mul if estimated_loop_iterations failed.
6530 2010-02-08 Martin Jambor <mjambor@suse.cz>
6533 * tree-sra.c (build_accesses_from_assign): Do not mark in
6534 should_scalarize_away_bitmap if stmt has volatile ops.
6535 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6538 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6540 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6542 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6544 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6547 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6550 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6552 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6555 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6556 to unknown_dependence.
6557 (graphite_legal_transform_dr): Handle the unknown_dependence.
6558 (graphite_carried_dependence_level_k): Same.
6560 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6562 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6564 2010-02-07 Richard Guenther <rguenther@suse.de>
6567 * expr.c (get_inner_reference): Always initialize *pbitsize.
6569 2010-02-07 Richard Guenther <rguenther@suse.de>
6572 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6573 new ARRAY_REFs on variable size element or minimal index arrays.
6575 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6576 gimple_fold_indirect_ref.
6578 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6581 * arm.c (arm_override_options): Just return if the user has specified
6582 an invalid fpu name.
6584 2010-02-03 Jason Merrill <jason@redhat.com>
6587 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6588 i386_pe_maybe_record_exported_symbol.
6590 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6593 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6594 (pa_delegitimize_address): New function.
6596 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6598 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6599 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6601 2010-02-05 Richard Guenther <rguenther@suse.de>
6604 * lto-streamer-in.c (get_resolution): Deal with references
6605 to undefined functions.
6607 2010-02-05 Richard Guenther <rguenther@suse.de>
6609 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6610 (fold_const_aggregate_ref): Likewise.
6611 (ccp_fold_stmt): Substitute loads.
6612 (maybe_fold_reference): Verify types before substituting.
6614 (fold_gimple_assign): Unshare properly.
6615 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6617 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6619 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6620 for rs6000_gen_cell_microcode.
6622 2010-02-04 Richard Guenther <rguenther@suse.de>
6624 PR rtl-optimization/42952
6625 * dse.c (const_or_frame_p): Remove MEM handling.
6627 2010-02-04 Nick Clifton <nickc@redhat.com>
6629 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6630 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6631 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6632 (mn10300_asm_output_mi_thunk): New function.
6633 (mn10300_can_output_mu_thunk): New function.
6634 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6635 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6636 (FUNCTION_ARG): Delete incorrect comment.
6638 2010-02-03 Jason Merrill <jason@redhat.com>
6641 * fold-const.c (operand_equal_p): Handle erroneous types.
6643 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6645 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6647 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6649 PR rtl-optimization/42941
6650 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6653 2010-02-03 Jason Merrill <jason@redhat.com>
6656 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6658 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6661 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6662 (cselib_reset_table): Renamed from...
6663 (cselib_reset_table_with_next_value): ... this.
6664 (cselib_get_next_uid): Renamed from...
6665 (cselib_get_next_unknown_value): ... this.
6666 * cselib.c (next_uid): Renamed from...
6667 (next_unknown_value): ... this.
6668 (cselib_clear_table): Adjust.
6669 (cselib_reset_table): Adjust. Renamed from...
6670 (cselib_reset_table_with_next_value): ... this.
6671 (cselib_get_next_uid): Adjust. Renamed from...
6672 (cselib_get_next_unknown_value): ... this.
6673 (get_value_hash): Use hash.
6674 (cselib_hash_rtx): Likewise.
6675 (new_cselib_val): Adjust. Set and dump uid.
6676 (cselib_lookup_mem): Pass next_uid as hash.
6677 (cselib_subst_to_values): Likewise.
6678 (cselib_log_lookup): Dump uid.
6679 (cselib_lookup): Pass next_uid as hash. Adjust.
6680 (cselib_process_insn): Adjust.
6681 (cselib_init): Initialize next_uid.
6682 (cselib_finish): Adjust.
6683 (dump_cselib_table): Likewise.
6684 * dse.c (canon_address): Dump value uid.
6685 * print-rtl.c (print_rtx): Print value uid.
6686 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6688 (dv_uid): New function, sort of renamed from...
6689 (dv_htab_hash): ... this, reimplemented in terms of it and...
6690 (dv_uid2hash): ... this. New.
6691 (variable_htab_eq): Drop excess assertions.
6692 (tie_break_pointers): Removed.
6693 (canon_value_cmp): Compare uids.
6694 (variable_post_merge_New_vals): Print uids.
6695 (vt_add_function_parameters): Adjust.
6696 (vt_initialize): Reset table. Adjust.
6698 2010-02-03 Richard Guenther <rguenther@suse.de>
6700 PR tree-optimization/42944
6701 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6702 (call_may_clobber_ref_p_1): Likewise. Properly handle
6703 malloc and calloc clobbering errno.
6705 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6707 * doc/invoke.texi: Fix name of sched1 dump.
6709 * opts.c (decode_options): Set flag_tree_switch_conversion
6710 only conditionally on optimize >= 2.
6712 * gcse.c: Assorted comment fixes in pass description.
6714 2010-02-03 Anthony Green <green@moxielogic.com>
6716 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6717 nop padding in order to maintain alignment of storage location of
6718 target function address.
6719 (moxie_trampoline_init): Store target function address at newly
6721 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6723 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6725 2010-02-03 Richard Guenther <rguenther@suse.de>
6728 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6730 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6732 * config.gcc: Reenable check for obsolete targets.
6733 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6734 mips-sgi-irix6.[0-4]*.
6736 2010-02-02 Nick Clifton <nickc@redhat.com>
6738 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6739 constant size of 4 as being the same as 0.
6740 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6741 can take values in the range 0..4.
6743 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6746 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6747 as _darwin10_Unwind_FindEnclosingFunction().
6748 * libgcc-libsystem.ver: New.
6750 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6753 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6754 implicitly set registers.
6756 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6758 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6759 (arm_override_options): Allow automatic selection of the thread
6760 pointer register if thumb2.
6761 (legitimize_pic_address): Improve code sequences for Thumb2.
6762 (arm_call_tls_get_addr): Likewise.
6763 (legitimize_tls_address): Likewise.
6764 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6765 (pic_load_addr_32bit): ... this. New named pattern.
6766 * thumb2.md (pic_load_addr_thumb2): Delete.
6767 (pic_load_dot_plus_four): Delete.
6768 (tls_load_dot_plus_four): New named pattern.
6770 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6773 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6774 Document fix for TLS bug.
6776 2010-01-31 Richard Guenther <rguenther@suse.de>
6778 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6779 conservatively correct.
6781 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6785 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6787 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6789 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6791 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6793 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6795 * config.gcc: Adjust order of makefile fragments for mingw targets.
6797 2010-01-31 Richard Guenther <rguenther@suse.de>
6800 * gimplify.c (gimplify_init_constructor): For volatile LHS
6801 initialize a temporary.
6803 2010-01-31 Matthias Klose <doko@ubuntu.com>
6805 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6807 * configure: Regenerate.
6809 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6811 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6812 the same alias set and their sizes different constantness.
6813 (aliasing_component_refs_p): Revert 2009-10-24 change.
6815 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6817 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6820 2010-01-29 Richard Guenther <rguenther@suse.de>
6822 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6823 Assert we successfully updated the call.
6825 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6827 PR rtl-optimization/42889
6828 * df.h (df_set_bb_dirty_nonlr): New prototype.
6829 * df-core.c (df_set_bb_dirty_nonlr): New function.
6830 * df-scan.c (df_insn_rescan): Call it instead of
6831 df_set_bb_dirty for DEBUG_INSNs.
6833 2010-01-29 Richard Guenther <rguenther@suse.de>
6836 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6837 quadratic behavior in most cases.
6839 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6842 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6843 in the call to gen_x86_movsicc_0_m1.
6845 2010-01-28 Richard Guenther <rguenther@suse.de>
6847 PR tree-optimization/42871
6848 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6850 2010-01-28 Richard Guenther <rguenther@suse.de>
6852 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6853 into call arguments.
6855 2010-01-28 Richard Guenther <rguenther@suse.de>
6858 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6859 the forwarder if the destination is an EH landing pad.
6861 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6863 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6864 block list passed to gimple_duplicate_sese_tail.
6865 (parallelize_loops): Avoid parallelization when the function
6867 Avoid parallelization when the preheader is IRREDUCIBLE.
6868 Try to optimize when estimated_loop_iterations_int is unresolved.
6869 Add the loop's location to the dump file.
6870 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6871 (gimple_duplicate_sese_tail): Remove the check for the latch.
6872 Redirect nexits to the exit block.
6873 Remove handling of the incoming edges to the latch.
6874 Redirect the backedge from the copied latch to the exit bb.
6876 2010-01-28 Michael Matz <matz@suse.de>
6879 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6880 Wrap force_reg into a sequence, emit it before user.
6882 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6884 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6886 (arm_legacy_rev): Likewise.
6887 (thumb_legacy_rev): Likewise.
6889 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6891 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6892 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6893 on MEM's address failed, try avoid_constant_pool_reference and
6894 recurse if it returned something different.
6895 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6896 address, try avoid_constant_pool_reference and recurse if it
6897 returned something different.
6898 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6899 address and avoid_constant_pool_reference returned something
6900 different, don't set have_address.
6902 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6905 * var-tracking.c (val_store): Add modified argument, obey it.
6907 (count_uses): Move down logging of main.
6908 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6909 don't need resolution.
6910 (emit_notes_in_bb): Likewise.
6912 2010-01-27 Richard Guenther <rguenther@suse.de>
6915 * tree-inline.c (remap_decl): Delay remapping of SSA name
6916 default definitions until we need them.
6918 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6920 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6921 (rs6000_delegitimize_address): New function.
6923 * config/s390/s390.c (s390_delegitimize_address): Call
6924 delegitimize_mem_from_attrs.
6927 * tree-inline.c (cannot_copy_type_1): Removed.
6928 (copy_forbidden): Don't forbid copying of functions containing
6929 records/unions with variable length fields.
6931 2010-01-27 Christian Bruel <christian.bruel@st.com>
6935 * config/sh/sh.c (find_barrier): Increase length for non delayed
6936 conditional branches.
6938 2010-01-27 Matthias Klose <doko@ubuntu.com>
6940 * configure.ac (gnu-unique-object): Fix ldd version check.
6941 * configure: Regenerate.
6943 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6945 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6947 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6948 Test for HAVE_GNU_AS value.
6950 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6952 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6953 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6954 INT64_TYPE): Define.
6955 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6956 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6957 INT_LEAST64_TYPE): Define.
6958 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6959 UINT_LEAST64_TYPE): Define.
6960 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6961 INT_FAST64_TYPE): Define.
6962 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6963 UINT_FAST64_TYPE): Define.
6964 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6965 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6966 (SIG_ATOMIC_TYPE): Define.
6968 2010-01-26 Richard Guenther <rguenther@suse.de>
6970 * df-scan.c (df_scan_set_bb_info): Remove assert.
6971 (df_insn_rescan_debug_internal): Merge asserts.
6972 (df_install_ref): Likewise.
6973 (df_mark_reg): Use bitmap_set_range.
6974 (df_hard_reg_used_p): Remove assert.
6975 (df_hard_reg_used_count): Likewise.
6977 2010-01-26 Richard Guenther <rguenther@suse.de>
6979 PR rtl-optimization/42685
6980 * web.c (web_main): Ignore DEBUG_INSNs.
6982 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6984 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6986 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6987 Fix types of fndecl and arglist parameters.
6989 2010-01-26 Richard Guenther <rguenther@suse.de>
6992 * tree-eh.c (unsplit_eh): Skip debug insns.
6994 2010-01-26 Richard Guenther <rguenther@suse.de>
6996 PR tree-optimization/42250
6997 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6999 2010-01-26 Jakub Jelinek <jakub@redhat.com>
7002 * omp-low.c (expand_omp_sections): Only use single_pred if
7003 l2_bb is single_pred_p.
7005 2010-01-25 Christian Bruel <christian.bruel@st.com>
7008 * config/sh/sh.c (find_barrier): Increase length for non delayed
7009 conditional branches.
7010 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
7012 2010-01-24 David S. Miller <davem@davemloft.net>
7014 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
7015 define if not using GAS.
7016 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7017 Likewise. Delete SECTION_MERGE code, which is only applicable
7020 2010-01-24 Mark Mitchell <mark@codesourcery.com>
7023 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
7024 mangling of va_list in system headers.
7026 2010-01-23 Toon Moene <toon@moene.org>
7028 * tree-predcom.c (combine_chains): Return NULL, not false.
7030 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7032 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7033 initialization of variable res to agree with return type.
7035 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7037 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7038 * tree-sra.c: Add include of expr.h.
7040 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7042 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7043 insert the debug stmt on the single non-EH edge from the stmt.
7045 2010-01-22 Richard Henderson <rth@redhat.com>
7048 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7049 the RHS until after generate_subtree_copies has insertted its
7050 code before the current statement.
7052 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7054 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7056 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7058 2010-01-21 Martin Jambor <mjambor@suse.cz>
7060 PR tree-optimization/42585
7061 * tree-sra.c (struct access): New field grp_total_scalarization.
7062 (dump_access): Dump the new field.
7063 (should_scalarize_away_bitmap): New variable.
7064 (cannot_scalarize_away_bitmap): Likewise.
7065 (sra_initialize): Allocate new bitmaps.
7066 (sra_deinitialize): Free new bitmaps.
7067 (create_access_1): New function.
7068 (create_access): Parts moved to create_access_1.
7069 (type_consists_of_records_p): New function.
7070 (completely_scalarize_record): Likewise.
7071 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7072 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7073 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7075 (analyze_all_variable_accesses): Completely scalarize small eligible
7078 2010-01-21 Martin Jambor <mjambor@suse.cz>
7080 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7082 2010-01-21 Andrew Haley <aph@redhat.com>
7084 * gcc.c (process_command): Move lang_specific_driver before
7085 setting cc_libexec_prefix.
7087 2010-01-21 Richard Guenther <rguenther@suse.de>
7090 * fold-const.c (negate_expr_p): Pretend only negative
7091 real constants are easily negatable.
7093 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7094 Jason Merrill <jason@redhat.com>
7096 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7097 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7098 * calls.c (initialize argument_information): Handle it.
7099 * c-common.c (handle_transparent_union_attribute): Use new name.
7100 * c-decl.c (finish_struct): Ditto.
7101 * c-typeck.c (type_lists_compatible_p): Ditto.
7102 (convert_for_assignment): Use new name and also handle record.
7103 * function.c (aggregate_value_p): Handle it.
7104 (pass_by_reference): Ditto.
7105 (assign_parm_data_types): Ditto.
7106 * print-tree.c (print_node): Ditto.
7107 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7108 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7109 * tree.c (first_field): New fn.
7111 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7114 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7115 even when linking statically, for now.
7117 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7120 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7121 without a cselib val.
7122 (count_uses): Accept MO_VAL_SET with no val on stores.
7123 (add_stores): Likewise.
7125 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7127 * var-tracking.c (check_value_val): Add a compile time assertion.
7128 (dv_is_decl_p): Simplify.
7129 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7130 gcc_assert if ENABLE_CHECKING.
7132 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7135 * var-tracking.c: Include tree-flow.h.
7136 (mem_dies_at_call): New.
7137 (dataflow_set_preserve_mem_locs): Use it.
7138 (dataflow_set_remove_mem_locs): Likewise.
7139 (dump_var): Renamed from dump_variable. Adjust all callers.
7140 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7141 * Makefile.in (var-tracking.o): Adjust deps.
7143 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7145 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7147 2010-01-20 Richard Guenther <rguenther@suse.de>
7149 PR tree-optimization/42717
7150 * tree-ssa-dce.c (get_live_post_dom): Remove.
7151 (forward_edge_to_pdom): Take an arbitrary edge to copy
7152 degenerate PHI args from.
7153 (remove_dead_stmt): Use the first post-dominator even if it
7154 does not contain live statements as redirection destination.
7156 2010-01-20 Richard Guenther <rguenther@suse.de>
7158 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7160 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7162 * sel-sched.c (create_speculation_check): Remove set but not used
7164 (try_transformation_cache): Remove set but not used variable ds.
7165 (calculate_privileged_insns): Remove set but not used variables
7166 cur_insn and min_spec_insn.
7167 (find_best_expr): Remove set but not used variable avail_n.
7168 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7170 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7172 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7173 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7176 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7179 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7180 cpu types. Add support for *-sse3 cpu types.
7181 (x86_64-*-*): Ditto.
7183 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7186 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7187 argument, call initializer_constant_valid_p_1 instead of
7188 initializer_constant_valid_p, pass CACHE to it, return NULL
7189 immediately if first call returns NULL.
7190 (initializer_constant_valid_p_1): New function.
7191 (initializer_constant_valid_p): Use it.
7193 2010-01-20 Thomas Quinot <quinot@adacore.com>
7195 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7197 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7199 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7200 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7201 (loc_list_from_tree): Don't handle unsigned division. Handle
7202 signed modulo using DW_OP_{over,over,div,mul,minus}.
7203 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7204 modulo instead of signed.
7206 2010-01-20 DJ Delorie <dj@redhat.com>
7208 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7210 (h8300_emit_stack_adjustment): Propogate it.
7212 (h8300_expand_prologue): Likewise.
7213 (h8300_expand_epilogue): Likewise.
7215 2010-01-19 Michael Matz <matz@suse.de>
7217 PR tree-optimization/41783
7218 * tree-data-ref.c (toplevel): Include flags.h.
7219 (dump_data_dependence_relation): Also dump the inputs if the
7220 result will be unknown.
7221 (split_constant_offset_1): Look through some conversions.
7222 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7223 the offset from last element is too large.
7224 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7225 (reassociate_to_the_same_stmt): Handle vector registers.
7226 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7228 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7229 wide_prolog_niters argument, emit widening instructions.
7230 (vect_do_peeling_for_alignment): Adjust caller, use widened
7231 variant of the iteration cound.
7232 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7234 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7237 * config/arm/neon-testgen.m (emit_automatics): New parameter
7238 features. Adjust for Fixed_return_reg feature.
7239 (test_intrinsic): Call emit_automatics with new feature.
7240 * config/arm/neon.ml: Update copyright years.
7241 (features): New Fixed_return_reg feature.
7242 (ops): Update feature for Vget_low.
7244 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7246 PR tree-optimization/42719
7247 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7251 * fwprop.c (all_uses_available_at): Return false if def_set dest
7252 is a REG that is used in def_insn.
7254 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7256 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7258 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7261 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7263 * target.h (struct gcc_target) <secondary_reload>: Change type
7264 of last argument to secondary_reload_info *.
7266 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7269 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7270 memory references with unaligned offsets. Remove CQImode handling.
7271 (unaligned_memory_operand): Return 1 for memory references with
7272 unaligned offsets. Remove CQImode handling.
7274 2010-01-18 Richard Guenther <rguenther@suse.de>
7277 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7280 2010-01-18 Richard Guenther <rguenther@suse.de>
7282 PR tree-optimization/42781
7283 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7284 restrict processing only if the original variable was artificial.
7286 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7288 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7289 find number of popped argument bytes.
7291 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7292 Fix the text that describes the return value for invalid insns.
7294 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7296 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7297 Clarify what 'cost of the -dependence' is. Fix quoting.
7299 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7300 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7302 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7304 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7305 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7307 2010-01-17 Richard Guenther <rguenther@suse.de>
7310 * function.c (split_complex_args): Take a VEC to modify.
7311 (assign_parms_augmented_arg_list): Build a VEC instead of
7312 a chain of PARM_DECLs.
7313 (assign_parms_unsplit_complex): Take a VEC of arguments.
7314 Do not fixup unmodified parms.
7315 (assign_parms): Deal with the VEC.
7316 (gimplify_parameters): Likewise.
7318 2010-01-17 Richard Guenther <rguenther@suse.de>
7320 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7321 node existence check.
7322 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7323 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7324 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7325 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7326 (gimple_execute_on_growing_pred): Likewise.
7328 2010-01-17 Richard Guenther <rguenther@suse.de>
7330 PR tree-optimization/42773
7331 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7332 (compute_antic_aux): Likewise.
7333 (compute_partial_antic_aux): Likewise.
7335 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7338 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7341 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7343 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7346 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7347 Fix markup for strict argument.
7349 (TARGET_SCHED_REORDER2): Fix argument types.
7351 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7352 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7354 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7355 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7357 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7360 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7361 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7362 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7363 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7364 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7366 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7368 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7370 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7371 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7373 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7375 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7378 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7380 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7381 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7383 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7385 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7387 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7388 referring to it. Fix language.
7390 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7392 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7394 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7396 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7398 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7399 '@var{stream}. Remove stray 'and'.
7401 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7403 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7405 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7407 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7408 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7410 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7411 Fix description of return value.
7412 Rename argument "sz" to "len."
7414 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7415 Clarify meaning of 'true' return value.
7417 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7419 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7420 rep_mode versus mode_rep.
7422 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7424 (TARGET_BUILTIN_DECL): Fix name.
7426 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7428 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7430 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7432 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7434 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7436 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7439 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7440 Rename argument tm_fn to md_fn.
7442 (TARGET_OPTION_PRINT): Fix argument list.
7444 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7447 * config/i386/i386.c (ix86_fixup_binary_operands):
7448 Revert FMA4 fixup of operands.
7450 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7453 * Makefile.in (write_entries_to_file, install-plugin):
7454 Use \012 instead of \n with tr.
7456 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7458 * configure.ac (HAVE_AS_REF): New C macro.
7459 * configure: Regenerate.
7460 * config.in: Likewise.
7461 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7463 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7466 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7468 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7470 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7472 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7474 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7476 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7478 (TARGET_BINDS_LOCAL_P): Fix argument type.
7480 (TARGET_ASM_FILE_END): Use prototype.
7482 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7484 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7486 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7488 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7490 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7491 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7493 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7494 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7496 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7497 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7498 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7499 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7501 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7503 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7505 (TARGET_INIT_BUILTINS): Use prototype.
7507 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7508 Put 'const char *' in braces. Fix parameter types.
7509 (TARGET_INVALID_CONVERSION): Fix parameter types.
7510 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7511 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7513 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7516 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7518 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7520 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7522 * doc/tm.texi (TARGET_HELP): Fix return type.
7524 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7525 in braces. Fix argument types.
7527 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7529 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7531 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7533 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7534 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7536 (TARGET_MANGLE_TYPE): Fix argument types.
7538 (TARGET_IRA_COVER_CLASSES): Use prototype.
7540 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7542 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7544 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7546 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7548 (TARGET_CALLEE_COPIES): Fix argument types.
7550 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7552 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7554 (TARGET_FUNCTION_VALUE): Fix argument types.
7556 (TARGET_RETURN_IN_MSB): Fix argument type.
7558 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7560 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7562 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7564 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7565 agree with return type.
7567 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7569 2010-01-15 Jing Yu <jingyu@google.com>
7571 PR rtl-optimization/42691
7572 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7573 a pseudo to a constant and are merged, and adjust comments.
7575 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7577 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7579 2010-01-15 Richard Guenther <rguenther@suse.de>
7582 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7583 labels of computed or non-local gotos to the destination.
7584 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7585 landing pad label is the first label.
7587 2010-01-15 Richard Guenther <rguenther@suse.de>
7589 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7591 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7594 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7595 to allow generation of the xssqrtdp instruction on power7.
7596 (sqrtdf2_fpr): Ditto.
7598 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7601 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7602 functions with noreturn attribute.
7605 * varasm.c (declare_weak): Add weak attribute to decl if it
7606 doesn't have one already.
7607 (assemble_external): Only add decls to weak_decls if they also
7608 have weak attribute.
7610 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7612 * var-tracking.c (var_reg_delete): Don't delete the association
7613 between REGs and values or one-part variables if the register
7616 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7619 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7620 because its first operand is a non-localized variable.
7622 2010-01-14 Martin Jambor <mjambor@suse.cz>
7624 PR tree-optimization/42706
7625 * tree-sra.c (encountered_recursive_call): New variable.
7626 (encountered_unchangable_recursive_call): Likewise.
7627 (sra_initialize): Initialize both new variables.
7628 (callsite_has_enough_arguments_p): New function.
7629 (scan_function): Call decl and flags check only for IPA-SRA, check
7630 whether there is a recursive call and whether it has enough arguments.
7631 (all_callers_have_enough_arguments_p): New function.
7632 (convert_callers): Look for recursive calls only when
7633 encountered_recursive_call is set.
7634 (ipa_early_sra): Bail out either if
7635 !all_callers_have_enough_arguments_p or
7636 encountered_unchangable_recursive_call.
7638 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7640 * sel-sched.c: Add 2010 to copyright years.
7641 * sel-sched-ir.c: Likewise.
7642 * sel-sched-ir.h: Likewise.
7644 2010-01-14 Martin Jambor <mjambor@suse.cz>
7646 PR tree-optimization/42714
7647 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7648 constructors specially.
7650 2010-01-14 Andi Kleen <ak@linux.intel.com>
7652 * config/i386/drivers-i386.c (detect_caches_intel):
7653 Add l2sizekb parameter and fill in.
7654 (host_detect_local_cpu): Add l2sizekb, fill in.
7655 Add Atom small cache heuristic.
7657 2010-01-14 Andi Kleen <ak@linux.intel.com>
7659 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7660 Add level3 parameter and fill in.
7661 (detect_caches_intel): Handle level3 cache.
7663 2010-01-14 Andi Kleen <ak@linux.intel.com>
7665 * config/i386/drivers-i386.c (host_detect_local_cpu):
7666 Fix core duo detection.
7668 2010-01-14 Andi Kleen <ak@linux.intel.com>
7670 * config/i386/drivers-i386.c (host_detect_local_cpu):
7673 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7675 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7676 (rs6000_variable_issue_1): this. Use...
7677 (rs6000_variable_issue): here. Reimplement. Print debug info.
7679 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7681 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7682 sel_restore_notes. Update all callers. Call reemit_notes
7685 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7687 PR rtl-optimization/42246
7688 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7691 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7693 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7694 all successors is the same as number of successors in current region.
7696 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7698 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7699 to rename is not separable. Otherwise check that its LHS is not NULL.
7701 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7703 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7705 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7707 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7708 available registers when failed to discover LHS register class.
7709 Fix indentation. Update comment.
7711 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7712 Alexander Monakov <amonakov@ispras.ru>
7714 PR rtl-optimization/42389
7715 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7717 (advance_state_on_fence): Likewise.
7718 (sel_target_adjust_priority): Print debug output only when
7719 sched_verbose >= 4, not 2.
7720 (get_expr_cost): Do not issue all unique insns on the next cycle.
7721 (fill_insns): Initialize can_issue_more from the value saved
7723 * sel-sched-ir.c (flist_add): New parameter issue_more.
7724 Init FENCE_ISSUE_MORE with it.
7725 (merge_fences): Likewise.
7726 (init_fences): Update call to flist_add.
7727 (add_to_fences, add_clean_fence_to_fences)
7728 (add_dirty_fence_to_fences): Likewise.
7729 (move_fence_to_fences): Update call to merge_fences.
7730 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7732 * sel-sched-ir.h (struct _fence): New field issue_more.
7733 (FENCE_ISSUE_MORE): New accessor macro.
7735 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7737 PR rtl-optimization/42388
7738 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7739 that have no predecessors nor successors. Do not call move_bb_info
7740 for empty blocks outside of current region.
7742 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7744 PR rtl-optimization/42294
7745 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7746 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7747 originators' originators.
7749 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7751 PR rtl-optimization/39453
7752 PR rtl-optimization/42246
7753 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7755 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7757 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7758 Alexander Monakov <amonakov@ispras.ru>
7761 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7762 (maybe_tidy_empty_bb): ... here. Make static. Add new
7763 argument. Update all callers.
7764 (tidy_control_flow): ... and here. Recompute topological order
7765 of basic blocks in region if necessary.
7766 (sel_redirect_edge_and_branch): Change return type. Return true
7767 if topological order might have been invalidated.
7768 (purge_empty_blocks): Export and move from...
7769 * sel-sched.c (purge_empty_blocks): ... here.
7770 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7771 (maybe_tidy_empty_bb): Delete prototype.
7772 (purge_empty_blocks): Declare.
7774 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7776 PR rtl-optimization/42249
7777 * sel-sched.c (try_replace_dest_reg): When chosen register
7778 and original register is the same, do not bail out early, but
7779 still check all original insns for validity of replacing destination
7780 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7783 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7786 Port from no-undefined-overflow branch:
7787 2009-03-09 Richard Guenther <rguenther@suse.de>
7789 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7791 2010-01-14 Richard Guenther <rguenther@suse.de>
7794 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7796 2010-01-14 Ira Rosen <irar@il.ibm.com>
7798 PR tree-optimization/42709
7799 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7800 as scalar type in creation of constant vector operand.
7802 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7805 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7806 (check-parallel-%): Match `testsuite' directory component only
7809 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7811 PR translation/39521
7812 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7815 2010-01-13 Richard Guenther <rguenther@suse.de>
7817 PR tree-optimization/42730
7818 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7821 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7824 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7825 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7828 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7830 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7831 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7832 ___umulsi3_highpart.
7834 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7835 rather than schedule_insns if the pass is enabled.
7837 2010-01-13 Martin Jambor <mjambor@suse.cz>
7839 PR tree-optimization/42704
7840 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7843 2010-01-13 Martin Jambor <mjambor@suse.cz>
7845 PR tree-optimization/42703
7846 * tree-sra.c (analyze_access_subtree): Check that we can build a
7847 reference to the original data within the aggregate.
7849 2010-01-13 Richard Guenther <rguenther@suse.de>
7851 PR tree-optimization/42705
7852 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7854 2010-01-13 Richard Guenther <rguenther@suse.de>
7857 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7859 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7862 * var-tracking.c (values_to_unmark): New variable.
7863 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7864 values_to_unmark vector. Moved body to...
7865 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7866 instead queue it into values_to_unmark vector.
7867 (vt_find_locations): Free values_to_unmark vector.
7869 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7871 * config/s390/s390.c (override_options): Set
7872 default of max-pending-list-length to 256
7874 2010-01-13 Richard Guenther <rguenther@suse.de>
7877 * tree-pass.h (PROP_gimple_lcx): New.
7878 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7879 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7880 before the final cleanup_eh.
7881 (dump_properties): Dump PROP_gimple_lcx.
7882 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7883 (tree_lower_complex_O0): Remove.
7884 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7885 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7886 tree_lower_complex, schedule TODO_update_ssa.
7887 * lto-streamer-out.c (output_function): Stream the functions
7889 * lto-streamer-in.c (input_function): Likewise.
7890 (lto_read_body): Do not override them here.
7892 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7895 * c-typeck.c (build_c_cast): Fold value cast to union type before
7896 wrapping it in a CONSTRUCTOR.
7898 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7900 PR rtl-optimization/42699
7901 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7904 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7906 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7907 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7908 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7909 SUBTARGET_WARN_UNUSED_SPEC): ... here
7910 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7912 2010-01-12 Julian Brown <julian@codesourcery.com>
7914 * config/arm/neon-schedgen.ml (Utils): Don't try to
7915 open missing module.
7916 (find_with_result): New.
7918 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7921 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7922 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7924 PR tree-optimization/42645
7925 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7926 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7927 decl_map, set processing_debug_stmt to -1 and return name without
7930 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7932 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7933 binutils version, and reword target configuration description.
7935 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7937 * config/avr/avr.h (LINKER_NAME): Remove.
7939 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7942 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7943 that support VSX, warn for -mno-altivec if vsx is not disabled,
7946 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7947 Shujing Zhao <pearly.zhao@oracle.com>
7949 PR translation/42469
7950 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7951 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7952 character between option name and help text.
7953 * c.opt (imultilib): Likewise.
7955 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7957 * lto-streamer-out.c (output_unreferenced_globals): Output static
7960 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7962 PR rtl-optimization/42621
7963 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7964 optimizing for size.
7965 (duplicate_computed_gotos): Remove now-redundant check.
7967 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7970 * configure.ac: Save and restore LDFLAGS and LIBS
7971 * configure: Regenerate.
7973 2010-01-10 Richard Guenther <rguenther@suse.de>
7976 * builtins.c (fold_builtin_strlen): Add type argument and
7977 convert the resulting length to it.
7978 (fold_builtin_1): Adjust.
7980 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7982 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7983 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7985 (num_insns_constant_wide): Adjust for that change.
7987 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7990 * web.c (union_defs): Add used argument, to combine uses of
7992 (entry_register): Adjust type and tests of used argument.
7993 (web_main): Widen used for new use. Pass it to union_defs.
7994 * df.h (union_defs): Adjust prototype.
7996 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7999 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
8000 uses in new incoming argument. Free body.
8001 (reset_debug_uses_in_loop): New.
8002 (analyze_insn_to_expand_var): Call the latter if the former found
8003 anything. Fix whitespace. Reject invalid dest overlaps before
8004 going through all insns in the loop.
8006 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8009 * haifa-sched.c (dying_use_p): Debug insns don't count.
8011 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8014 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
8015 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
8016 (verify_gimple_call): Reject LHS in noreturn calls.
8018 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8022 * tree-vect-loop-manip.c (adjust_info): New type.
8023 (adjust_vec): New pointer to vector.
8024 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
8025 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
8026 (slpeel_update_phis_for_duplicate_loop): Use them.
8027 (slpeel_update_phi_nodes_for_guard1): Likewise.
8028 (slpeel_update_phi_nodes_for_guard2): Likewise.
8029 (slpeel_tree_peel_loop_to_edge): Likewise.
8030 (vect_update_ivs_after_vectorizer): Likewise.
8032 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8034 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8035 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8037 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8039 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8040 bogus uninitialized warning.
8042 2010-01-09 Richard Guenther <rguenther@suse.de>
8045 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8046 the evolution is compatible with the initial condition.
8048 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8050 * gcc.c (process_command): Update copyright notice dates.
8051 * gcov.c (print_version): Likewise.
8052 * gcov-dump.c (print_version): Likewise.
8053 * mips-tfile.c (main): Likewise.
8054 * mips-tdump.c (main): Likewise.
8056 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8059 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8061 (rotlhi3_8): Delete.
8063 (rotlsi3_8): Delete.
8064 (rotlsi3_16): Delete.
8065 (rotlsi3_24): Delete.
8067 (*rotw<mode>3): New.
8068 (*rotb<mode>3): New.
8069 * config/avr/avr.c (avr_rotate_bytes): New function.
8070 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8072 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8075 * configure.ac: Modify -rdynamic check.
8076 * configure: Regenerate.
8078 2010-01-08 DJ Delorie <dj@redhat.com>
8080 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8081 register popping order.
8083 2010-01-08 Richard Guenther <rguenther@suse.de>
8086 * c.opt (fsigned-char): Also let LTO handle this option.
8087 (funsigned-char): Likewise.
8089 2010-01-07 Richard Guenther <rguenther@suse.de>
8091 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8092 (gimple_op): Likewise.
8093 (gimple_op_ptr): Likewise.
8094 (gimple_assign_set_lhs): Remove gcc_assert.
8095 (gimple_assign_set_rhs1): Likewise.
8096 (gimple_assign_set_rhs2): Likewise.
8097 (gimple_call_set_lhs): Likewise.
8098 (gimple_call_set_fn): Likewise.
8099 (gimple_call_set_fndecl): Likewise.
8100 (gimple_call_fndecl): Likewise.
8101 (gimple_call_return_type): Likewise.
8102 (gimple_call_set_chain): Likewise.
8103 (gimple_call_num_args): Likewise.
8104 (gimple_call_set_arg): Likewise.
8105 (gimple_cond_set_code): Likewise.
8106 (gimple_cond_set_lhs): Likewise.
8107 (gimple_cond_set_rhs): Likewise.
8108 (gimple_cond_set_true_label): Likewise.
8109 (gimple_cond_set_false_label): Likewise.
8110 (gimple_label_set_label): Likewise.
8111 (gimple_goto_set_dest): Likewise.
8112 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8113 (gimple_debug_bind_get_value): Likewise.
8114 (gimple_debug_bind_get_value_ptr): Likewise.
8115 (gimple_debug_bind_set_var): Likewise.
8116 (gimple_debug_bind_set_value): Likewise.
8117 (gimple_debug_bind_reset_value): Likewise.
8118 (gimple_debug_bind_has_value_p): Likewise.
8119 (gimple_return_retval_ptr): Remove gcc_assert.
8120 (gimple_return_retval): Likewise.
8121 (gimple_return_set_retval): Likewise.
8122 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8123 (safe_referenced_var_iterator): Remove.
8124 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8125 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8126 (fill_referenced_var_vec): Remove.
8127 (first_readonly_imm_use): Remove redundant gcc_assert.
8128 (phi_arg_index_from_use): Combine gcc_asserts.
8129 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8130 (first_imm_use_stmt): Remove redundant gcc_assert.
8131 * tree-cfg.c (verify_gimple_call): Verify function and chain
8132 operands. Verify arguments.
8133 (verify_types_in_gimple_stmt): Verify condition code and labels.
8135 2010-01-07 Richard Guenther <rguenther@suse.de>
8137 PR tree-optimization/42641
8138 * sese.c (rename_map_elt_info): Use the SSA name version, do
8141 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8143 PR tree-optimization/42625
8144 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8145 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8147 2010-01-07 Duncan Sands <baldrick@free.fr>
8149 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8151 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8154 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8155 note itself is not function_invariant_p.
8157 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8159 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8160 Do not add the DF_NOTE problem.
8161 * store-motion.c (execute_rtl_store_motion): Likewise.
8163 2010-01-07 Martin Jambor <mjambor@suse.cz>
8165 PR tree-optimization/42157
8166 * tree-sra.c (compare_access_positions): Stabilize sort if both
8167 accesses have integer types, return zero immediately if they are the
8170 2010-01-06 Richard Henderson <rth@redhat.com>
8173 * haifa-sched.c (add_to_note_list): Merge into ...
8174 (concat_note_lists): ... here, and ...
8175 (unlink_other_notes, rm_other_notes): Merge into...
8176 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8177 NOTE_INSN_EPILOGUE_BEG.
8179 2010-01-06 Richard Guenther <rguenther@suse.de>
8181 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8182 not inline regular functions into always-inline functions.
8184 2010-01-06 Nick Clifton <nickc@redhat.com>
8186 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8187 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8189 (OVERRIDE_OPTIONS): Delete.
8190 (OPTIMIZATION_OPTIONS): Define.
8191 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8192 * config/rx/rx.c (rx_handle_option): Issue an error message if
8193 -mcpu=rx200 and -fpu are used together.
8194 (rx_set_optimization_options): New function. Issue an error
8195 message if an optimization attribute attempts to reset the FPU/
8196 math optimization pairing.
8197 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8198 * config/rx/rx.opt: Set the default to 32-bit doubles.
8199 * config/rx/t-rx: Add multilibs for -nofpu option.
8200 * doc/invoke.texi: Update documentation of RX options.
8202 2010-01-06 Richard Guenther <rguenther@suse.de>
8204 * tree-ssa-pre.c (name_to_id): New global.
8205 (alloc_expression_id): Simplify SSA name handling.
8206 (lookup_expression_id): Likewise.
8207 (init_pre): Zero name_to_id.
8208 (fini_pre): Free it.
8210 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8212 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8214 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8217 * config/i386/sse.md (smaxv2di3): New.
8218 (umaxv2di3): Likewise.
8219 (sminv2di3): Likewise.
8220 (uminv2di3): Likewise.
8222 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8225 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8226 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8227 (legitimize_tls_address): Likewise.
8228 (sparc_tls_referenced_p): Likewise.
8229 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8230 and adjust calls to legitimize_pic_address.
8231 (legitimate_constant_p) Use sparc_tls_referenced_p.
8232 (legitimate_pic_operand_p): Likewise.
8233 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8234 (sparc_tls_symbol_ref_1): Delete.
8235 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8236 (legitimize_tls_address): Make static, handle CONST patterns.
8237 (legitimize_pic_address): Make static, remove unused parameter and
8238 adjust recursive calls.
8239 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8240 and adjust call to legitimize_pic_address.
8241 (sparc_output_mi_thunk): Likewise.
8243 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8244 H.J. Lu <hongjiu.lu@intel.com>
8247 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8248 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8249 operands to make them signed.
8252 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8255 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8256 GTU to GT for V4SI and V2DI.
8258 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8259 (umin<mode>3): Removed.
8261 (uminv4si3): Likewise.
8263 2010-01-05 Martin Jambor <mjambor@suse.cz>
8265 PR tree-optimization/42462
8266 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8267 current_function_decl to helper functions and macros.
8269 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8272 * flags.h: Don't include real.h.
8273 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8274 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8275 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8276 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8277 * dominance.c: Update copyright.
8278 * gimple.c (walk_gimple_op): Remove inline.
8279 * tree-ssa-reassoc.c: Include real.h.
8280 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8281 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8283 2010-01-05 Nick Clifton <nickc@redhat.com>
8285 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8286 register to push into the stack frame when the accumulator has to
8287 be saved during interrupts.
8289 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8291 * doc/invoke.texi: Remove the documentation about option
8293 * common.opt (Wunreachable-code): Preserved for backward
8295 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8296 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8297 the backward compatibility flag section.
8299 2010-01-05 Richard Guenther <rguenther@suse.de>
8301 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8303 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8306 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8308 PR tree-optimization/42508
8309 * tree-sra.c (convert_callers): Check for recursive call
8310 by comparing cgraph nodes instead of decls.
8311 (modify_function): Call ipa_modify_formal_parameters also
8312 on all same_body aliases.
8314 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8315 cgraph nodes when checking for same_body aliases.
8317 2010-01-05 Richard Guenther <rguenther@suse.de>
8319 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8320 allocation and lookup.
8321 (get_or_alloc_expr_for_constant): Likewise.
8322 (phi_translate): Sink allocation.
8324 2010-01-04 Richard Guenther <rguenther@suse.de>
8326 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8327 a new entry only if needed.
8328 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8329 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8331 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8333 (phi_translate): Handle CONSTANTs early.
8335 2010-01-04 Martin Jambor <mjambor@suse.cz>
8337 PR tree-optimization/42398
8338 * tree-sra.c (struct access): Removed flag grp_different_types.
8339 (dump_access): Do not dump the removed flag.
8340 (sort_and_splice_var_accesses): Do not set the removed flag.
8341 (sra_modify_expr): Check for type compatibility directly.
8343 2010-01-04 Martin Jambor <mjambor@suse.cz>
8345 PR tree-optimization/42366
8346 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8347 edges with variable number of parameters.
8348 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8349 flag instead of asserting it.
8350 (ipa_read_node_info): Read uses_analysis_done flag.
8352 2010-01-04 Richard Guenther <rguenther@suse.de>
8354 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8355 iterative_hash_* as intended.
8356 (vn_reference_compute_hash): Likewise. Simplify hashing
8358 (vn_reference_lookup_2): Likewise.
8359 (vn_nary_op_compute_hash): Likewise.
8360 (vn_phi_compute_hash): Likewise.
8361 (expressions_equal_p): Remove strange code.
8362 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8363 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8364 (bitmap_insert_into_set_1): Take value-id as parameter.
8365 (add_to_value): Pass it.
8366 (bitmap_insert_into_set): Likewise.
8367 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8369 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8372 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8373 (do_self_spec): For switches with SWITCH_IGNORE set set also
8374 SWITCH_IGNORE_PERMANENTLY.
8375 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8378 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8380 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8381 tree of an unreferenced global var.
8383 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8386 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8387 GTU to GT for V4SI and V2DI.
8389 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8390 (umin<mode>3): Removed.
8392 (uminv4si3): Likewise.
8394 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8397 * collect2.c (main): Turn on trace in collect2 if -v is passed
8400 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8402 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8403 description of expression operand.
8405 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8407 * configure.ac: Add install-html to target_list for Make-hooks.
8408 * configure: Regenerate.
8409 * fortran/Make-lang.in (F95_HTMLFILES): New.
8410 (fortran.html): Use it.
8411 (fortran.install-html): New.
8412 * Makefile.in (install-html): Add lang.install-html.
8413 * java/Make-lang.in (JAVA_HTMLFILES): New.
8414 (java.html): Use it.
8415 (java.install-html): New.
8416 * objc/Make-lang.in (objc.install-html): New.
8417 * objcp/Make-lang.in (obj-c++.install-html): New.
8418 * cp/Make-lang.in (c++.install-html): New.
8419 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8420 * lto/Make-lang.in (lto.install-html): New.
8422 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8425 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8427 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8429 PR rtl-optimization/41862
8430 * store-motion.c (store_killed_in_insn, compute_store_table,
8431 remove_reachable_equiv_notes, replace_store_insn,
8432 build_store_vectors): Ignore all DEBUG_INSNs.
8434 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8437 * common.opt: Add dumpdir.
8439 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8441 (option_map): Add --dumpdir.
8443 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8445 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8447 * opts.c (decode_options): Try dump_dir_name first if
8448 dump_base_name isn't an absolute path.
8449 (common_handle_option): Handle OPT_dumpdir.
8451 * toplev.c (dump_dir_name): New.
8452 (print_switch_values): Also ignore -dumpdir.
8454 * toplev.h (dump_dir_name): New.
8456 2010-01-03 Richard Guenther <rguenther@suse.de>
8458 PR tree-optimization/42589
8459 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8460 double-word expansion of bswap32.
8462 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8464 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8465 with BLOCK_FOR_INSN.
8466 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8467 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8468 noce_process_if_block): Likewise.
8469 * gcse.c (compute_local_properties, insert_expr_in_table,
8470 insert_set_in_table, canon_list_insert, find_avail_set,
8471 pre_insert_copy_insn): Likewise.
8473 * basic-block.h (BLOCK_NUM): Move from here...
8474 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8476 2010-01-03 Richard Guenther <rguenther@suse.de>
8478 PR tree-optimization/42438
8479 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8480 contains_may_not_return_call flag.
8481 (BB_MAY_NOTRETURN): New.
8482 (valid_in_sets): Trapping nary operations are not valid
8483 in blocks that may not return.
8484 (insert_into_preds_of_block): Remove check for trapping expressions.
8485 (compute_avail): Compute also BB_MAY_NOTRETURN.
8487 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8489 * doc/invoke.texi: Add 2010 to copyright years.
8491 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8493 * config/sparc/sparc.c: Fix formatting nits.
8495 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8496 Alexander Monakov <amonakov@ispras.ru>
8498 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8500 2010-01-02 Richard Guenther <rguenther@suse.de>
8503 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8504 (simplify_switch_using_ranges): Mark to be removed edges
8507 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8509 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8511 * collect2.c (scan_libraries): Add missing argument in call to
8514 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8517 * config/alpha/predicates.md (aligned_memory_operand): Return false
8519 (unaligned_memory_operand): Return true for CQImode.
8520 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8521 doesn not cross aligned SImode word boundary.
8523 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8525 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8527 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8528 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8530 2010-01-02 Richard Guenther <rguenther@suse.de>
8533 * toplev.c (compile_file): Emit LTO marker properly. Change
8535 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8537 2010-01-01 Richard Guenther <rguenther@suse.de>
8540 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8542 2010-01-01 Richard Guenther <rguenther@suse.de>
8545 * c-decl.c (grokdeclarator): For zero-size arrays force
8546 structural equality checks as layout_type does.
8548 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8550 * builtins.c: Update copyright to 2010.
8552 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8555 * lto-streamer-out.c (produce_asm): Revert the last change.
8556 (copy_function): Likewise.
8558 * lto-streamer.c (lto_get_section_name): Skip any leading
8561 2010-01-01 Richard Guenther <rguenther@suse.de>
8564 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8568 Copyright (C) 2010 Free Software Foundation, Inc.
8570 Copying and distribution of this file, with or without modification,
8571 are permitted in any medium without royalty provided the copyright
8572 notice and this notice are preserved.