1 2010-05-06 Michael Matz <matz@suse.de>
3 PR tree-optimization/43984
4 * tree-ssa-pre.c (inserted_phi_names): Remove.
5 (inserted_exprs): Change to bitmap.
6 (create_expression_by_pieces): Set bits, don't append to vector.
7 (insert_into_preds_of_block): Don't handle inserted_phi_names.
8 (eliminate): Don't look at inserted_phi_names, remove deleted
9 insns from inserted_exprs.
10 (remove_dead_inserted_code): Adjust to use bitmaps instead of
12 (init_pre, fini_pre): Allocate and free bitmaps.
13 (execute_pre): Insert insns on edges before elimination.
15 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
17 * tree.c (initializer_zerop): Handle STRING_CST.
19 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
22 * doc/invoke.texi (Wimplicit): Document as C only.
23 * opts.c (common_handle_option): Add argument kind.
24 (handle_option): Rename as read_cmdline_option. Factor out code to...
25 (handle_option): ... here. New.
26 (handle_options): Rename as read_cmdline_options.
27 (decode_options): Update call.
28 (set_option): Use option index instead of option pointer. Classify
29 diagnostics correctly.
30 (enable_warning_as_error): Call handle_option.
31 * opts.h (set_option): Update declaration.
32 (handle_option): Declare.
33 * langhooks.h (struct lang_hooks): Add argument kind to
35 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
36 * c-opts.c (set_Wimplicit): Delete.
37 (c_family_lang_mask): New static constant.
38 (c_common_handle_option): Add argument kind. Use handle_option
39 instead of set_Wimplicit.
40 (c_common_post_options): warn_implicit and warn_implicit_int
41 are disabled by default.
42 * c-common.c (warn_implicit): Do not define here.
43 * c-common.h (warn_implicit): Do not declare here.
44 (c_common_handle_option): Update declaration.
45 * lto-opts.c (lto_reissue_options): Update call to set_option.
47 2010-05-06 Richard Guenther <rguenther@suse.de>
49 PR tree-optimization/43571
50 * domwalk.c (walk_dominator_tree): Walk the dominator
51 sons in more optimal order.
53 2010-05-06 Richard Guenther <rguenther@suse.de>
55 PR tree-optimization/43934
56 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
57 (stmt_cost): Likewise.
58 (extract_true_false_args_from_phi): New helper.
59 (determine_max_movement): For PHI nodes verify we can hoist them
60 and compute their cost.
61 (determine_invariantness_stmt): Handle PHI nodes.
62 (move_computations_stmt): Likewise. Hoist PHI nodes in
63 if-converted form using COND_EXPRs.
64 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
66 (tree_ssa_lim): Likewise.
67 * tree-flow.h (tree_ssa_lim): Adjust prototype.
68 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
70 2010-05-06 Richard Guenther <rguenther@suse.de>
72 PR tree-optimization/43987
73 * tree-ssa-structalias.c (could_have_pointers): For possibly
74 address-taken variables force pointers to be recorded.
75 (create_variable_info_for_1): Likewise.
76 (push_fields_onto_fieldstack): Pass in wheter all fields
78 (find_func_aliases): Query types instead of vars whether
79 they contain pointers where appropriate.
81 2010-05-06 Jan Hubicka <jh@suse.cz>
83 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
84 (record_reference, mark_address, mark_load, mark_store): Record
86 (record_references_in_initializer): Update call of record_references.
87 (rebuild_cgraph_edges): Remove all references before rebuiding.
88 * cgraph.c (cgraph_create_node): Clear ref list.
89 (cgraph_remove_node): Remove references.
90 (dump_cgraph_node): Dump references.
91 (cgraph_clone_node): Clone references.
92 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
93 (struct cgraph_node, varpool_node): Add ref_lst.
94 * ipa-ref.c: New file.
95 * ipa-ref.h: New file.
96 * ipa-ref-inline.h: New file.
97 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
98 (referenced_from_other_partition_p): New function.
99 (lto_output_varpool_node): Take set arugment; call
100 referenced_from_other_partition.
101 (lto_output_ref): New.
102 (add_references): New.
104 (output_cgraph): Compute boundary based on references;
106 (output_varpool): Accept cgraph_node_set argument.
109 (input_cgraph): Call input_refs.
110 * lto-section-in.c (lto_section_name): Add refs.
111 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
112 (ipa-ref.o): New file.
113 * varpool.c (varpool_node): Clear ipa ref list.
114 (varpool_remove_node): Remove references.
115 (dump_varpool_node): Dump references.
116 (varpool_assemble_decl): Only compile finalized ones.
117 (varpool_extra_name_alias): Initialize ref list.
118 * lto-streamer.c (lto-get_section_name): Add .refs section.
119 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
120 (referenced_from_other_partition_p): Declared.
122 2010-05-06 Ira Rosen <irar@il.ibm.com>
124 PR tree-optimization/43901
125 * tree-vect-stmts.c (vectorizable_call): Assert that vector
126 type is not NULL if it's transformation phase, and return
127 FALSE if it's analysis.
128 (vectorizable_conversion, vectorizable_operation,
129 vectorizable_type_demotion, vectorizable_type_promotion):
132 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
134 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
136 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
138 * config/mips/mips-protos.h
139 (mips_small_register_classes_for_mode_p): Delete prototype.
141 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
143 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
144 * config/arm/arm.c (multiple_operation_profitable_p,
145 compute_offset_order): New static functions.
146 (load_multiple_sequence, store_multiple_sequence): Use them.
147 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
148 memory offsets, not register numbers.
149 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
151 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
153 * stor-layout.c (pending_sizes): Change the type to
155 (get_pending_sizes, put_pending_size, put_pending_sizes):
156 Update the uses of pending_sizes.
157 * c-decl.c (store_parm_decls): Likewise.
158 * c-tree.h (struct c_arg_info): Likewise.
159 * tree.h: Update the prototype for get_pending_sizes and
162 2010-05-05 Jason Merrill <jason@redhat.com>
165 * c-common.c (handle_aligned_attribute): Respect
166 ATTR_FLAG_TYPE_IN_PLACE.
169 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
170 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
171 (TARGET_INITIALIZER): Use it.
172 * c-common.c (attribute_takes_identifier_p): Call it.
173 * c-common.h: Update prototype.
174 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
175 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
177 2010-05-05 Jakub Jelinek <jakub@redhat.com>
180 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
181 DW_ID_down_case for Fortran compilation units.
183 2010-05-05 Jan Hubicka <jh@suse.cz>
185 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
188 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
190 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
191 a variable-sized RESULT_DECL.
193 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
195 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
197 2010-05-05 Jason Merrill <jason@redhat.com>
200 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
202 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
204 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
205 Jakub Jelinek <jakub@redhat.com>
208 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
209 (dead_debug_init, dead_debug_finish): New functions.
210 (dead_debug_add, dead_debug_insert_before): Likewise.
211 (df_note_bb_compute): Initialize a dead_debug object, add dead
212 debug uses to it, insert debug bind insns before death insns,
213 reset debug insns that refer to pending uses at the end.
214 * rtl.h (make_debug_expr_from_rtl): New prototype.
215 * varasm.c (make_debug_expr_from_rtl): New function.
217 2010-05-05 Jan Hubicka <jh@suse.cz>
219 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
220 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
221 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
222 lto_varpool_encoder_encode_initializer_p,
223 lto_set_varpool_encoder_encode_initializer): New functions.
224 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
226 (input_varpool_node): Do not always set analyzed.
227 (input_cgraph_1): Return vector of cgraph nodes.
228 (input_varpool_1): Return vector of varpools.
229 (input_cgraph): Free the vectors.
230 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
231 output only initializers needed.
232 (lto_output): Only call output_cgraph.
233 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
234 * lto-section-out.c (lto_new_out_decl_state): Initialize
235 state->varpool_node_encoder.
236 * lto-streamer.h (lto_varpool_encoder_d): New.
237 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
238 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
239 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
240 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
241 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
243 (output_varpool, input_varpool): Remove declarations.
245 2010-05-05 Jan Hubicka <jh@suse.cz>
247 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
248 with body can prevail.
250 2010-05-05 Jan Hubicka <jh@suse.cz>
252 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
255 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
257 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
260 * gengtype.h (erro_at_line): Constify pos argument.
262 * gengtype.c: Include hashtab.h.
263 (enum gc_used): Document GC_MAYBE_POINTED_TO.
264 (error_at_line): Constify pos argument.
265 (do_typedef): Initialize p->opt field.
266 (get_file_gtfilename): Fix comment typo.
267 (struct walk_type_data): Constify line field.
268 (get_output_file_for_structure): New function.
269 (write_local_func_for_structure): Constify orig_s argument.
270 Use get_output_file_for_structure.
271 (write_func_for_structure): Use get_output_file_for_structure.
272 (INDENT): New define.
273 (dump_pair, dump_type, dump_type_list, dump_typekind)
274 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
275 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
277 (seen_types): New variable.
278 (main): New variable do_dump. Process "-d" command line option.
279 Call dump_everything if dump requested.
281 2010-05-05 Jakub Jelinek <jakub@redhat.com>
283 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
284 in a temporary instead of invoking the macro multiple times.
285 (track_expr_p): Likewise.
287 2010-05-04 Neil Vachharajani <nvachhar@google.com>
289 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
291 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
292 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
293 conditions for printing notes.
294 * common.opt (-Wcoverage-mismatch): Allow negative, default to
295 true, update documentation.
296 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
298 2010-05-04 Jakub Jelinek <jakub@redhat.com>
301 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
304 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
307 * config/i386/i386.md (sse_prologue_save): Add clobber CC
309 (*sse_prologue_save_insn1): Likewise.
310 (SSE prologue save splitter): Likewise.
312 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
314 * tree.c (free_lang_data_in_one_sizepos): New inline function.
315 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
316 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
317 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
318 all decls. Call it on DECL_FIELD_OFFSET of fields.
319 (find_decls_types_r): Follow DECL_VALUE_EXPR.
320 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
322 2010-05-04 Martin Jambor <mjambor@suse.cz>
324 * tree-sra.c (build_access_from_expr_1): The first parameter type
325 changed to simple tree.
326 (build_access_from_expr): Likewise, gsi parameter was eliminated.
327 (scan_assign_result): Renamed to assignment_mod_result, enum elements
329 (build_accesses_from_assign): Removed all parameters except for a
330 simple gimple statement. Now returns a simple bool.
331 (scan_function): All non-analysis parts moved to separate functions
332 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
333 parameters and updated both callers.
334 (sra_modify_expr): Removed parameter data.
335 (sra_modify_function_body): New function.
336 (perform_intra_sra): Call sra_modify_function_body to modify the
338 (replace_removed_params_ssa_names): Parameter data changed into
340 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
341 changed the parameter dont_convert to convert with the opposite
343 (sra_ipa_modify_assign): Parameter data changed into adjustments
344 vector, return value changed to bool.
345 (ipa_sra_modify_function_body): New function.
346 (sra_ipa_reset_debug_stmts): Updated a comment.
347 (modify_function): Use ipa_sra_modify_function_body to modify function
350 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
353 * alias.c (true_dependence): Handle the same VALUE in x and mem.
354 (canon_true_dependence): Likewise.
355 (write_dependence_p): Likewise.
357 2010-05-04 Jan Hubicka <jh@suse.cz>
359 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
360 * cgraphbuild.c: Include ipa-utils.h
361 (record_reference_ctx): New struct.
362 (record_reference): Simplify to work on initializers; not statements.
363 (mark_address, mark_load, mark_store): New.
364 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
366 (record_references_in_initializer): Update use of record_reference.
367 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
370 2010-05-04 Jan Hubicka <jh@suse.cz>
372 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
373 node will be removed anyway.
374 (lto_varpool_replace_node): Allow also unanalyzed nodes;
375 relink aliases of node into prevailing node.
376 * varpool.c (varpool_remove_node): Remove aliases properly;
377 when removing node, remove all its aliases too; remove DECL_INITIAL
378 of removed node; ggc_free the varpool node.
380 2010-05-04 Richard Guenther <rguenther@suse.de>
382 PR tree-optimization/43879
383 * tree-ssa-structalias.c (alias_get_name): Use
384 DECL_ASSEMBLER_NAME if available.
385 (create_function_info_for): Return the varinfo node.
386 (ipa_pta_execute): Associate same-body aliases and extra names
387 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
389 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
391 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
394 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
397 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
398 only if HONOR_REG_ALLOC_ORDER is not defined.
400 2010-05-04 Richard Guenther <rguenther@suse.de>
402 PR tree-optimization/43949
403 * tree-vrp.c (extract_range_from_binary_expr): Only handle
406 2010-04-26 Jason Merrill <jason@redhat.com>
408 * c.opt (-fstrict-enums): New.
409 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
411 2010-05-03 David Ung <davidu@mips.com>
412 James E. Wilson <wilson@codesourcery.com>
414 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
415 emit the trap instruction before the divide for TUNE_74K.
417 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
419 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
420 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
421 based on the above, for new target hook.
423 * hooks.c (hook_bool_mode_true): New generic hook.
424 * hooks.h (hook_bool_mode_true): Add prototype.
426 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
428 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
429 target hook, set to hook_bool_mode_false.
430 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
431 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
432 with targetm.small_register_classes_for_mode_p.
433 (find_reusable_reload): Likewise.
434 (combine_reloads): Likewise.
435 * reload1.c (reload_as_needed): Likewise.
436 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
437 * ifcvt.c (noce_process_if_block, check_cond_move_block,
438 dead_or_predicable): Likewise.
439 * regmove.c (optimize_reg_copy_1): Likewise.
440 * calls.c (prepare_call_address): Likewise.
441 (precompute_register_parameters): Likewise.
443 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
445 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
446 implementation of the hook that considers all register classes
447 small except for SH64.
448 (sh_override_options): Use the new hook.
449 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
452 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
454 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
455 implementation of the hook that considers all register classes
457 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
460 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
462 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
463 implementation of the hook that considers all register classes
465 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
468 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
470 * config/m32c/m32c.h: Likewise.
471 * config/pdp11/pdp11.h: Likewise.
472 * config/avr/avr.h: Likewise.
473 * config/xtensa/xtensa.h: Likewise.
474 * config/m68hc11/m68hc11.h: Likewise.
475 * config/mn10300/mn10300.h: Likewise.
476 * config/mcore/mcore.h: Likewise.
477 * config/h8300/h8300.h: Likewise.
478 * config/bfin/bfin.h: Likewise.
480 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
481 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
483 2010-05-03 Anatoly Sokolov <aesok@post.ru>
485 * double-int.h (tree_to_double_int): Remove macro.
486 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
487 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
488 (tree_to_double_int): New function.
489 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
491 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
493 2010-05-03 Richard Guenther <rguenther@suse.de>
495 PR tree-optimization/43971
496 * tree-ssa-structalias.c (get_constraint_for_1): Fix
497 constraints in the !flag_delete_null_pointer_checks case.
499 2010-05-03 Jakub Jelinek <jakub@redhat.com>
502 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
503 result mode matches original rtl mode.
505 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
508 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
510 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
512 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
513 when processing flag options.
515 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
517 * gcov-iov.c (main): Change format string placeholder
518 from %#08x to 0x%08x.
519 * genchecksum.c (dosum): Change format string placeholder
520 from %#02x to 0x%02x.
522 2010-05-02 Richard Guenther <rguenther@suse.de>
524 PR tree-optimization/43879
525 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
527 2010-05-02 Bruno Haible <bruno@clisp.org>
529 * doc/extend.texi (Function Attributes): Fix a typo.
531 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
534 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
535 placeholder from 0x%x to %#x.
536 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
537 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
538 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
539 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
540 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
541 * config/i386/i386.c (ix86_target_string): Ditto.
542 * config/i386/i386.c (output_pic_addr_const): Ditto.
543 (print_operand): Ditto.
545 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
547 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
548 placeholder from 0x%x to %#x.
549 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
550 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
551 (ASM_OUTPUT_DEBUG_DATA): Ditto.
552 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
553 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
554 * optc-gen.awk: Ditto.
555 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
556 (HOST_WIDE_INT_PRINT_HEX): Ditto.
557 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
558 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
560 2010-05-01 Anatoly Sokolov <aesok@post.ru>
562 * target.h (struct calls): Add function_value_regno_p field.
563 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
564 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
565 * targhooks.c (default_function_value_regno_p): New function.
566 * targhooks.h (default_function_value_regno_p): Declare function.
567 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
568 * builtins.c. (apply_result_size): (Ditto.).
569 * combine.c. (likely_spilled_retval_p): (Ditto.).
570 * mode-switching.c. Include 'target.h'.
571 (create_pre_exit): Use function_value_regno_p hook.
572 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
573 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
574 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
576 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
577 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
578 (ix86_function_value_regno_p): Declare as static, change argument
579 type to const unsigned int.
580 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
582 2010-05-01 Richard Guenther <rguenther@suse.de>
584 PR tree-optimization/43949
585 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
587 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
589 2010-05-01 Anatoly Sokolov <aesok@post.ru>
591 * rtl.h (CONST_DOUBLE_P): Define.
592 (rtx_to_double_int): Declare.
593 * emit-rtl.c (rtx_to_double_int): New function.
594 * dwarf2out.c (insert_double): New function.
595 (loc_descriptor, add_const_value_attribute): Clean up, use
596 rtx_to_double_int and insert_double functions.
598 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
600 * doc/extend.texi (Inline): Add missing return keyword to examples.
601 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
604 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
606 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
607 the variable part of the offset as well. Use highest_pow2_factor for
608 all alignment checks.
610 2010-04-30 Richard Guenther <rguenther@suse.de>
612 PR tree-optimization/43879
613 * tree-ssa-structalias.c (type_could_have_pointers): Functions
616 2010-04-30 Jan Hubicka <jh@suse.cz>
618 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
620 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
622 2010-04-30 Jan Hubicka <jh@suse.cz>
624 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
626 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
627 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
628 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
629 cgraph_node_set_needs_ltrans_p): Remove.
631 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
633 * sdbout.c: Include vec.h, do not include varray.h.
634 (deferred_global_decls, sdbout_global_decl,
635 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
636 * toplev.c: Do not include varray.h.
637 (dump_memory_report): Do not dump VARRAY statistics.
638 * gengtype.c (open_base_file): Ignore varray.h.
639 * Makefile.in: Update for abovementioned changes.
640 Remove all traces of varray.c and varray.h.
641 * varray.c: Remove file.
642 * varray.h: Remove file.
644 2010-04-30 Jan Hubicka <jh@suse.cz>
646 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
649 2010-04-30 Jan Hubicka <jh@suse.cz>
651 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
654 2010-04-30 Richard Guenther <rguenther@suse.de>
656 * tree-ssa-structalias.c (get_constraint_for_1): Generate
657 constraints for CONSTRUCTOR.
659 2010-04-30 Richard Guenther <rguenther@suse.de>
662 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
663 first after all lowering passes.
665 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
667 * toplev.c: Include varray.h for statistics dumping.
668 * tree.h: Do not declare varray_head_tag.
669 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
670 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
671 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
672 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
673 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
674 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
675 c-common.c, c-common.h, reg-stack.c, basic-block.h,
676 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
678 * Makefile.in: Update for abovementioned changes.
680 2010-04-30 Jakub Jelinek <jakub@redhat.com>
683 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
685 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
687 * config/picochip/picochip.c (picochip_legitimize_address): Define.
688 Use this function to do machine-specific conversion.
689 (picochip_legitimize_reload_address): Likewise.
690 (picochip_legitimate_address_p): Check valid base register only if
692 (picochip_check_conditional_copy): Check for modw only if opnd is
694 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
695 to call the function in c.
696 * config/picochip/picochip-protos.h
697 (picochip_legitimize_reload_address): Define.
698 * config/picochip/picochip.md (supported_compare1): Define.
700 2010-04-30 Jan Hubicka <jh@suse.cz>
702 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
703 (cgraph_global_info): Remove inlined.
704 (LTO_cgraph_tag_names): Remove.
705 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
706 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
707 simplify cgraph tags and document.
708 (lto_output_node): Use only LTO_cgraph_unavail_node and
709 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
710 for_functions_valid, global info, process and output flags.
711 (input_overwrite_node): Initialize estimated stack size and
712 estimated growth. Do not read flags we no longer store.
713 (input_node): Likewise do not read info no longer stored.
714 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
717 2010-04-30 Richard Guenther <rguenther@suse.de>
719 PR tree-optimization/43879
720 * tree-ssa-structalias.c (get_constraint_for_1): Properly
721 handle non-zero initializers.
723 2010-04-30 Richard Guenther <rguenther@suse.de>
725 * builtins.c (fold_builtin_1): Delete free (0).
727 2010-04-29 Jan Hubicka <jh@suse.cz>
729 * gengtype.c (open_base_files): Add lto-streamer.h
730 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
731 (pass_ipa_cp): GGC collect.
732 * toplev. (compile_file): Do not output symbols.
733 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
734 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
735 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
736 * lto-section-in.c: Include ggc.h
737 (lto_new_in_decl_state): Alloc in GGC.
738 (lto_delete_in_decl_state): Likewise.
739 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
742 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
745 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
746 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
747 (HONOR_REG_ALLOC_ORDER): Describe new macro.
748 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
749 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
750 account only if HONOR_REG_ALLOC_ORDER is not defined.
751 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
752 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
754 2010-04-29 Jon Grant <04@jguk.org>
756 * collect2.c (vflag): Change type from int to bool.
758 (helpflag): New global bool.
759 (main): Set vflag and debug with boolean, not integer truth values.
760 Accept new "--help" option and output usage text if found.
761 * collect2.h (vflag): Update prototype.
764 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
767 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
769 2010-04-29 Richard Guenther <rguenther@suse.de>
772 * plugin.h (invoke_plugin_callbacks): Annotate arguments
773 with ATTRIBUTE_UNUSED.
775 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
778 * config/i386/i386.c (get_some_local_dynamic_name): Replace
779 INSN_P with NONDEBUG_INSN_P.
780 (distance_non_agu_define): Likewise.
781 (distance_agu_use): Likewise.
783 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
785 From Dominique d'Humieres <dominiq@lps.ens.fr>
787 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
790 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
792 * plugin.h (invoke_plugin_callbacks): New inline function.
793 * plugin.c (flag_plugin_added): New global flag.
794 (add_new_plugin): Initialize above flag.
795 (invoke_plugin_callbacks): Rename to ...
796 (invoke_plugin_callbacks_full): ... this.
798 2010-04-28 Jan Hubicka <jh@suse.cz>
800 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
801 (lto_varpool_replace_node): New.
802 (lto_symtab_resolve_symbols): Resolve varpool nodes.
803 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
804 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
805 * cgraph.h (varpool_node_ptr): New type.
806 (varpool_node_ptr): New vector.
807 (varpool_node_set_def): New structure.
808 (varpool_node_set): New type.
809 (varpool_node_set): New vector.
810 (varpool_node_set_element_def): New structure.
811 (varpool_node_set_element, const_varpool_node_set_element): New types.
812 (varpool_node_set_iterator): New type.
813 (varpool_node): Add prev pointers, add used_from_other_partition,
815 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
816 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
817 varpool_get_node, varpool_remove_node): Declare.
818 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
819 varpool_node_set_size): New inlines.
820 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
821 * tree-pass.h (varpool_node_set_def): Forward declare.
822 (ipa_opt_pass_d): Summary writting takes vnode sets too.
823 (ipa_write_optimization_summaries): Update prototype.
824 * ipa-cp.c (ipcp_write_summary): Update.
825 * ipa-reference.c (ipa_reference_write_summary): Update.
826 * lto-cgraph.c (lto_output_varpool_node): New static function.
827 (output_varpool): New function.
828 (input_varpool_node): New static function.
829 (input_varpool_1): New function.
830 (input_cgraph): Input varpool.
831 * ipa-pure-const.c (pure_const_write_summary): Update.
832 * lto-streamer-out.c (lto_output): Update, output varpool too.
833 (write_global_stream): Kill WPA hack.
834 (produce_asm_for_decls): Update.
835 (output_alias_pair_p): Handle variables.
836 (output_unreferenced_globals): Output only needed partition of varpool.
837 * ipa-inline.c (inline_write_summary): Update.
838 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
840 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
841 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
842 varpool_node_set_new, varpool_node_set_add,
843 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
844 debug_varpool_node_set): New functions.
845 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
846 (execute_one_pass): Process new decls too.
847 (ipa_write_summaries_2): Pass around vsets.
848 (ipa_write_summaries_1): Likewise.
849 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
851 (ipa_write_optimization_summaries_1): Pass around vsets.
852 (ipa_write_optimization_summaries): Likewise.
853 * varpool.c (varpool_get_node): New.
854 (varpool_node): Update doubly linked lists.
855 (varpool_remove_node): New.
856 (dump_varpool_node): More dumping.
857 (varpool_enqueue_needed_node): Update doubly linked lists.
858 (decide_is_variable_needed): Kill ltrans hack.
859 (varpool_finalize_decl): Kill lto hack.
860 (varpool_assemble_decl): Skip decls in other partitions.
861 (varpool_assemble_pending_decls): Update doubly linkes lists.
862 (varpool_empty_needed_queue): Likewise.
863 (varpool_extra_name_alias): Likewise.
864 * lto-streamer.c (lto_get_section_name): Add vars section.
865 * lto-streamer.h (lto_section_type): Update.
866 (output_varpool, input_varpool): Declare.
868 2010-04-28 Mike Stump <mikestump@comcast.net>
870 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
872 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
874 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
875 record or union type with RECORD_OR_UNION_TYPE_P predicate.
876 (lto_input_ts_type_tree_pointers): Likewise.
877 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
878 (lto_output_ts_type_tree_pointers): Likewise.
880 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
882 Uniquization of constants at the Tree level
883 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
884 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
886 (tree_output_constant_def): Declare.
887 * gimplify.c (gimplify_init_constructor): When using block copy, first
888 uniquize the constant constructor on the RHS.
889 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
890 DECL_IN_CONSTANT_POOL flag.
891 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
892 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
894 (assemble_variable): Deal with symbols belonging to the tree constant
896 (get_constant_section): Add ALIGN parameter and simplify.
897 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
898 (assemble_constant_contents): Use the expression of the VAR_DECL.
899 (output_constant_def_contents): Use the alignment of the VAR_DECL.
900 (tree_output_constant_def): New global function.
901 (mark_constant): Use the expression of the VAR_DECL.
902 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
904 (output_object_block): Likewise and assemble the expression.
906 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
908 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
909 hash_tree, eq_tree): New tree hash table.
910 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
911 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
912 lto_orig_address_remove): Reimplement.
914 2010-04-28 Xinliang David Li <davidxl@google.com>
917 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
918 (compute_uninit_opnds_pos): New function.
919 (is_non_loop_exit_postdominating): New function.
920 (compute_control_dep_chain): New function.
921 (find_pdom): New function.
922 (convert_control_dep_chain_into_preds): New function.
923 (find_predicates): New function.
924 (find_control_equiv_block): New function.
925 (collect_phi_def_edges): New function.
926 (find_def_preds): New function.
927 (find_dom): New function.
928 (dump_predicates): New function.
929 (get_cmp_code): New function.
930 (is_value_included_in): New function.
931 (find_matching_predicate_in_rest_chains): New function.
932 (use_pred_not_overlap_with_undef_path_pred): New function.
933 (is_use_properly_guarded): New function.
934 (normalize_cond_1): New function.
935 (is_and_or_or): New function.
936 (normalize_cond): New function.
937 (is_gcond_subset_of): New function.
938 (is_subset_of_any): New function.
939 (is_or_set_subset_of): New function.
940 (is_and_set_subset_of): New function.
941 (is_norm_cond_subset_of): New function.
942 (is_pred_expr_subset_of): New function.
943 (is_pred_chain_subset_of): New function.
944 (is_included_in): New function.
945 (is_superset_of): New function.
946 (find_uninit_use): New function.
947 (warn_uninitialized_phi): New function.
948 (compute_possibly_undefined_names): New function.
949 (ssa_undefined_value_p): New function.
950 (execute_late_warn_uninitialized): New function.
951 * tree-ssa.c (ssa_undefined_value_p): Removed.
952 (warn_uninit): Changed to extern.
953 (warn_uninitialized_phi): Removed.
954 (warn_uninitialized_vars): Changed to extern.
955 (execute_late_warn_uninitialized): Removed
956 * tree-flow.h: Add new prototypes.
957 * timevar.def: Add new time variable.
958 * Makefile.in: Add new build file.
960 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
962 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
965 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
968 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
970 2010-04-28 Martin Jambor <mjambor@suse.cz>
972 * cgraph.h (struct cgraph_node): New field indirect_calls.
973 (struct cgraph_indirect_call_info): New type.
974 (struct cgraph_edge): Removed field indirect_call. New fields
975 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
976 (cgraph_create_indirect_edge): Declare.
977 (cgraph_make_edge_direct): Likewise.
978 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
979 * ipa-prop.h (struct ipa_param_call_note): Removed.
980 (struct ipa_node_params): Removed field param_calls.
981 (ipa_create_all_structures_for_iinln): Declare.
982 * cgraph.c: Described indirect edges and uids in initial comment.
983 (cgraph_add_edge_to_call_site_hash): New function.
984 (cgraph_edge): Search also among the indirect edges, use
985 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
986 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
987 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
989 (initialize_inline_failed): Assign a reason to indirect edges.
990 (cgraph_create_edge_1): New function.
991 (cgraph_create_edge): Moved some functionality to
992 cgraph_create_edge_1.
993 (cgraph_create_indirect_edge): New function.
994 (cgraph_edge_remove_callee): Add an assert checking for
996 (cgraph_edge_remove_caller): Special-case indirect edges.
997 (cgraph_remove_edge): Likewise.
998 (cgraph_set_edge_callee): New function.
999 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1000 (cgraph_make_edge_direct): New function.
1001 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1002 the declaration of the call statement matches.
1003 (cgraph_node_remove_callees): Special-case indirect edges.
1004 (cgraph_clone_edge): Likewise.
1005 (cgraph_clone_node): Clone also the indirect edges.
1006 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1007 indirect_call, dump count of indirect_calls edges.
1008 * ipa-prop.c (iinlining_processed_edges): New variable.
1009 (ipa_note_param_call): Create indirect edges instead of
1010 creating notes. New parameter node.
1011 (ipa_analyze_call_uses): New parameter node, pass it on to
1012 ipa_note_param_call.
1013 (ipa_analyze_stmt_uses): Likewise.
1014 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1015 (print_edge_addition_message): Work on edges rather than on notes.
1016 (update_call_notes_after_inlining): Likewise, renamed to
1017 update_indirect_edges_after_inlining.
1018 (ipa_create_all_structures_for_iinln): New function.
1019 (ipa_free_node_params_substructures): Do not free notes.
1020 (ipa_edge_duplication_hook): Propagate bits within
1021 iinlining_processed_edges bitmap.
1022 (ipa_node_duplication_hook): Do not duplicate notes.
1023 (free_all_ipa_structures_after_ipa_cp): Renamed to
1024 ipa_free_all_structures_after_ipa_cp.
1025 (free_all_ipa_structures_after_iinln): Renamed to
1026 ipa_free_all_structures_after_iinln.g
1027 (ipa_write_param_call_note): Removed.
1028 (ipa_read_param_call_note): Removed.
1029 (ipa_write_indirect_edge_info): New function.
1030 (ipa_read_indirect_edge_info): Likewise.
1031 (ipa_write_node_info): Do not stream notes, do stream information
1033 (ipa_read_node_info): Likewise.
1034 (lto_ipa_fixup_call_notes): Removed.
1035 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1036 * ipa-inline.c (pass_ipa_inline): Likewise.
1037 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1038 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1039 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1041 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1043 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1044 (output_cgraph): Stream also indirect edges.
1045 (lto_output_edge): Added capability to stream indirect edges.
1046 (input_edge): Likewise.
1047 (input_cgraph_1): Likewise.
1048 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1051 2010-04-28 Richard Guenther <rguenther@suse.de>
1053 PR tree-optimization/43879
1054 PR tree-optimization/43909
1055 * tree-ssa-structalias.c (struct variable_info): Add
1056 only_restrict_pointers flag.
1057 (new_var_info): Initialize it. Increment stats.total_vars here.
1058 (create_function_info_for): Do not increment stats.total_vars
1060 (get_function_part_constraint): Fix build with C++.
1061 (insert_into_field_list): Remove.
1062 (push_fields_onto_fieldstack): Properly merge fields.
1063 (create_variable_info_for): Split and simplify.
1064 (create_variable_info_for_1): New piece.
1065 (intra_create_variable_infos): Properly make restrict constraints
1068 2010-04-28 Richard Guenther <rguenther@suse.de>
1071 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1073 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1074 Jan Hubicka <hubicka@ucw.cz>
1076 * doc/invoke.texi (-Wsuggest-attribute=const,
1077 -Wsuggest-attribute=pure): Document.
1078 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1079 (function_always_visible_to_compiler_p,
1080 suggest_attribute, warn_function_pure, warn_function_const):
1082 (check_call): Improve debug info.
1083 (analyze_function): Do not check availability.
1084 (add_new_function): Check availability.
1085 (propagate): Output warnings.
1086 (skip_function_for_local_pure_const): New function.
1087 (local_pure_const): Use it; output warnings.
1088 * common.opt (Wsuggest-attribute=const,
1089 Wsuggest-attribute=pure): New.
1091 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1093 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1094 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1095 or DW_CFA_def_cfa_offset{,_sf}.
1097 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1099 * tree.h: Fix truncated long macros.
1101 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1103 * collect2.c (TARGET_64BIT): Redefine to target's default.
1104 * tlink.c: Likewise.
1105 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1106 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1107 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1108 for underscoring __USER_LABEL_PREFIX__.
1109 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1110 (SUB_LINK_ENTRY32): New.
1111 (SUB_LINK_ENTRY64): New.
1112 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1113 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1114 (SUB_LINK_ENTRY64): New.
1115 (SUB_LINK_ENTRY): New.
1116 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1117 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1118 x64 target is choosen.
1119 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1120 * configure: Regenerated.
1121 * configure.ac (leading-mingw64-underscores): Option added.
1123 2010-04-27 Jan Hubicka <jh@suse.cz>
1125 * doc/invoke.texi (-fipa-profile): Document.
1126 * opts.c (decode_options): Enable ipa-profile at -O1.
1127 * timevar.def (TV_IPA_PROFILE): Define.
1128 * common.opt (fipa-profile): Add.
1129 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1131 (cgraph_propagate_frequency): Handle only local ones.
1132 * tree-pass.h (pass_ipa_profile): Declare.
1133 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1134 (pass_ipa_profile): Use TV_IPA_PROFILE.
1135 * ipa.c (ipa_profile): New function.
1136 (gate_ipa_profile): Likewise.
1137 (pass_ipa_profile): New global variable.
1138 * passes.c (pass_ipa_profile): New.
1140 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1142 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1144 2010-04-27 Martin Jambor <mjambor@suse.cz>
1147 * ipa.c (dissolve_same_comdat_group_list): New function.
1148 (function_and_variable_visibility): Call
1149 dissolve_same_comdat_group_list when comdat group contains external or
1151 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1152 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1154 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1156 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1157 (const_hash_1) <VECTOR_CST>: New case.
1158 (compare_constant) <VECTOR_CST>: Likewise.
1159 <ADDR_EXPR>: Deal with LABEL_REFs.
1160 (copy_constant) <VECTOR_CST>: New case.
1162 2010-04-27 Jan Hubicka <jh@suse.cz>
1164 * cgraph.c (cgraph_propagate_frequency): New function.
1165 * cgraph.h (cgraph_propagate_frequency): Declare.
1166 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1167 cgraph_propagate_frequency.
1169 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1171 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1173 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1176 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1177 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1178 here to determine which regs to push and how much stack to reserve.
1180 2010-04-27 Jie Zhang <jie@codesourcery.com>
1182 * doc/gimple.texi (gimple_statement_with_ops): Remove
1183 addresses_taken field.
1184 (gimple_statement_with_memory_ops): Likewise.
1186 2010-04-27 Jan Hubicka <jh@suse.cz>
1188 * tree-inline.c (eni_inlining_weights): Remove.
1189 (estimate_num_insns): Special case more builtins.
1191 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1194 * c-typeck.c (build_binary_op): Move forward check for comparison
1195 pointer with null pointer constant and adjust the diagnostic message.
1197 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1200 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1201 binutils supports extended .section directive needed by LTO, or
1202 warn if older binutils found.
1203 (LTO_BINARY_READER): New AC_SUBST'd variable.
1204 (LTO_USE_LIBELF): Likewise.
1205 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1207 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1208 (LTO_USE_LIBELF): Likewise.
1209 * configure: Regenerate.
1211 * collect2.c (is_elf): Rename from this ...
1212 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1213 object files in addition to ELF-formatted ones.
1214 (scan_prog_file): Caller updated. Also allow for LTO info marker
1215 symbol to be prefixed or not by an extra underscore.
1217 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1218 * config/i386/winnt.c: Also #include lto-streamer.h
1219 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1221 (i386_pe_asm_output_aligned_decl_common): Add comment.
1222 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1224 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1227 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1228 Add missing earlyclobber for second alternative.
1230 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1232 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1233 bits for artificial defs at the top of the block.
1234 * fwprop.c (single_def_use_enter_block): Don't call it.
1236 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1239 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1240 instead of "$gcc_cv_objdump -T".
1241 Use "-undefined dynamic_lookup" on darwin.
1242 * gcc/configure: Regenerate.
1244 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1247 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1249 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1251 * c-parser.c (struct c_token): Move location field up.
1252 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1253 (struct c_declspecs): Convert typespec_word, storage_class, and
1254 default_int_p into bitfields.
1255 (struct c_declarator): Move loc field up.
1257 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1259 * cfgloop.h (struct loop): Move can_be_parallel field up.
1260 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1261 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1263 (struct iv_cand): Convert pos field into a bitfield.
1264 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1266 (struct _stmt_vec_info): Shuffle fields for better packing.
1268 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1270 * varasm.c (IN_NAMED_SECTION): Remove guard.
1271 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1272 (IN_NAMED_SECTION_P): ...this.
1273 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1274 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1276 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1278 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1279 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1280 of shadowing it. Fix comments.
1282 2010-04-26 Jan Hubicka <jh@suse.cz>
1284 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1285 (cgraph_clone_node): Copy function frequency.
1286 * cgraph.h (node_frequency): New enum
1287 (struct cgraph_node): Add.
1288 * final.c (rest_of_clean_state): Update.
1289 * lto-cgraph.c (lto_output_node): Output node frequency.
1290 (input_overwrite_node): Input node frequency.
1291 * tre-ssa-loop-ivopts (computation_cost): Update.
1292 * lto-streamer-out.c (output_function): Do not output function
1294 * predict.c (maybe_hot_frequency_p): Update and handle functions
1296 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1298 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1299 (compute_function_frequency): Set noreturn functions to be executed
1301 (choose_function_section): Update.
1302 * lto-streamer-in.c (input_function): Do not input function frequency.
1303 * function.c (allocate_struct_function): Do not initialize function
1305 * function.h (function_frequency): Remove.
1306 (struct function): Remove function frequency.
1307 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1308 (try_update): Update.
1309 * tree-inline.c (initialize_cfun): Do not update function frequency.
1310 * passes.c (pass_init_dump_file): Update.
1311 * i386.c (ix86_compute_frame_layout): Update.
1312 (ix86_pad_returns): Update.
1314 2010-04-26 Jie Zhang <jie@codesourcery.com>
1316 PR tree-optimization/43833
1317 * tree-vrp.c (range_int_cst_p): New.
1318 (range_int_cst_singleton_p): New.
1319 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1320 when both operands are constants. Use range_int_cst_p in
1323 2010-04-26 Jan Hubicka <jh@suse.cz>
1325 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1327 2010-04-26 Richard Guenther <rguenther@suse.de>
1330 * gimple.c (gimple_decl_printable_name): Deal gracefully
1331 with a NULL DECL_NAME.
1333 2010-04-26 Richard Guenther <rguenther@suse.de>
1336 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1337 if emitting debug information and it is either a function
1338 or a namespace decl.
1340 2010-04-26 Ira Rosen <irar@il.ibm.com>
1342 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1343 determine if the statement is vectorizable, and a macro to access it.
1344 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1345 Skip statements that can't be vectorized. If the analysis fails,
1346 mark the statement as unvectorizable if vectorizing basic block.
1347 (vect_compute_data_refs_alignment): Likewise.
1348 (vect_verify_datarefs_alignment): Skip statements marked as
1349 unvectorizable. Add print.
1350 (vect_analyze_group_access): Skip statements that can't be
1351 vectorized. If the analysis fails, mark the statement as
1352 unvectorizable if vectorizing basic block.
1353 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1354 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1355 generated stmts for SLP.
1356 (new_stmt_vec_info): Initialize the new field.
1357 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1358 statements marked as unvectorizable.
1360 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1362 * c-common.c (flag_isoc1x): New.
1363 (flag_isoc99): Update comment.
1364 * c-common.h (flag_isoc1x): New.
1365 (flag_isoc99): Update comment.
1366 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1367 __<type>_DECIMAL_DIG__.
1368 * c-opts.c (set_std_c1x): New.
1369 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1370 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1371 * c.opt (-std=c1x, -std=gnu1x): New options.
1372 * doc/cpp.texi: Mention -std=c1x.
1373 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1374 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1375 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1376 * doc/standards.texi: Mention C1X.
1377 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1378 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1379 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1382 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1384 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1385 placeholder from 0x%x to %#x.
1386 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1387 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1388 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1389 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1390 * config/i386/i386.c (ix86_target_string): Ditto.
1391 (output_pic_addr_const): Ditto.
1392 (print_operand): Ditto.
1394 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1396 * combine.c (find_split_point): Add third argument. Use it
1397 to find nested multiply-accumulate instructions. Adjust calls.
1398 (try_combine): Adjust call to find_split_point.
1400 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1402 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1404 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1406 PR tree-optimization/41442
1407 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1408 (fold_binary_loc): Call it.
1410 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1412 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1413 * opts.c (common_handle_option): Allow disabling it.
1414 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1416 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1418 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1419 between modes if both types are integral.
1421 2010-04-23 Richard Guenther <rguenther@suse.de>
1423 PR tree-optimization/43572
1424 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1426 2010-04-23 Richard Guenther <rguenther@suse.de>
1429 * tree-inline.c (tree_can_inline_p): Also check compatibility
1432 2010-04-23 Martin Jambor <mjambor@suse.cz>
1434 PR tree-optimization/43846
1435 * tree-sra.c (struct access): New flag grp_assignment_read.
1436 (build_accesses_from_assign): Set grp_assignment_read.
1437 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1438 (enum mark_read_status): New type.
1439 (analyze_access_subtree): Propagate grp_assignment_read, create
1440 accesses also if both direct_read and root->grp_assignment_read.
1442 2010-04-23 Martin Jambor <mjambor@suse.cz>
1445 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1446 function does not have type attributes.
1448 2010-04-23 Richard Guenther <rguenther@suse.de>
1451 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1454 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1456 * sese.h (create_if_region_on_edge): Remove.
1458 * sese.c (create_if_region_on_edge): Make static.
1460 * tree-inline.c: Do not include ggc.h.
1462 * expr.c: Do not include ggc.h.
1464 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1467 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1470 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1471 in the middle of insns for casesi_worker_2.
1473 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1475 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1477 2010-04-22 Ira Rosen <irar@il.ibm.com>
1479 PR tree-optimization/43842
1480 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1481 loop unrolling in update of exit phis. Fix comment.
1482 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1483 least two reduction statements in the loop before starting SLP
1486 2010-04-22 Nick Clifton <nickc@redhat.com>
1488 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1490 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1492 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1495 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1497 * tree-parloops.c (loop_parallel_p): New argument
1498 parloop_obstack. Pass it down.
1499 (parallelize_loops): New variable parloop_obstack. Initialize it,
1500 pass it down, free it.
1502 * tree-loop-linear.c (linear_transform_loops): Pass down
1505 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1506 of type struct obstack *.
1508 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1509 scratch_obstack. Initialize it, pass down, free it.
1511 * lambda.h (lambda_loop_new): Remove.
1512 (lambda_matrix_new, lambda_matrix_inverse)
1513 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1514 argument of type struct obstack *.
1516 * lambda-trans.c (lambda_trans_matrix_new): New argument
1517 lambda_obstack. Pass it down, use obstack allocation for ret.
1518 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1521 * lambda-mat.c (lambda_matrix_get_column)
1522 (lambda_matrix_project_to_null): Remove.
1523 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1525 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1528 * lambda-code.c (lambda_loop_new): New function.
1529 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1530 (lambda_compute_auxillary_space, lambda_compute_target_space)
1531 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1532 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1533 (build_access_matrix): New argument lambda_obstack. Use obstack
1535 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1536 argument lambda_obstack. Pass it down.
1538 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1540 * optabs.h (expand_widening_mult): Declare.
1542 2010-04-22 Richard Guenther <rguenther@suse.de>
1544 PR tree-optimization/43845
1545 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1546 lookup the CALL_EXPR function and arguments.
1548 2010-04-22 Nick Clifton <nickc@redhat.com>
1550 * config/stormy16/stormy16.c
1551 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1552 * config/stormy16/stormy16.h: Tidy up formatting.
1553 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1554 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1555 (ineqbranchsi): Delete pattern.
1556 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1557 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1558 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1559 stormy16-lib2-ucmpsi2.c.
1561 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1563 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1564 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1565 extra set merge_set_noclobber, and use it to relax the final test
1567 * df.h (df_simulate_find_noclobber_defs): Declare.
1568 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1570 (df_simulate_find_noclobber_defs): New function.
1572 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1574 * config/i386/i386.md: Use {} around multi-line preparation statements.
1576 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1578 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1579 (process_init_element): New argument of type struct obstack *.
1581 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1582 (set_init_index, set_init_label, set_nonincremental_init)
1583 (set_nonincremental_init_from_string, find_init_member)
1584 (output_init_element, output_pending_init_elements)
1585 (process_init_element): New argument braced_init_obstack. Pass it
1587 (push_range_stack, add_pending_init): New argument
1588 braced_init_obstack. Use obstack allocation.
1590 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1591 braced_init_obstack. Pass it down.
1592 (c_parser_braced_init): New variables ret, braced_init_obstack.
1593 Initialize obstack, pass it down and finally free it.
1595 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1598 * tree-pass.h (pass_optimize_widening_mul): Declare.
1599 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1600 gate_optimize_widening_mul): New static functions.
1601 (pass_optimize_widening_mul): New.
1602 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1603 <case MULT_EXPR>: Remove support for widening multiplies.
1604 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1605 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1606 simplify_gen_unary rather than directly building extensions.
1607 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1609 * expmed.c (expand_widening_mult): New function.
1610 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1612 2010-04-21 Jan Hubicka <jh@suse.cz>
1614 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1615 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1616 * lto-wpa-fixup.c: Remove.
1617 * Makefile.in (lto-wpa-fixup.o): Remove.
1618 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1619 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1620 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1622 2010-04-21 Jan Hubicka <jh@suse.cz>
1624 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1625 add write_optimization_summary, read_optimization_summary.
1626 (ipa_write_summaries_of_cgraph_node_set): Remove.
1627 (ipa_write_optimization_summaries): Declare.
1628 (ipa_read_optimization_summaries): Declare.
1629 * ipa-cp.c (pass_ipa_cp): Update.
1630 * ipa-reference.c (pass_ipa_reference): Update.
1631 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1632 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1634 * ipa-inline.c (pass_ipa_inline): Update.
1635 * ipa.c (pass_ipa_whole_program): Update.
1636 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1637 * passes.c (ipa_write_summaries_1): Do not test wpa.
1638 (ipa_write_optimization_summaries_1): New.
1639 (ipa_write_optimization_summaries): New.
1640 (ipa_read_summaries): Do not test ltrans.
1641 (ipa_read_optimization_summaries_1): New.
1642 (ipa_read_optimization_summaries): New.
1644 2010-04-21 Jan Hubicka <jh@suse.cz>
1646 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1648 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1650 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1653 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1654 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1656 2010-04-21 Jan Hubicka <jh@suse.cz>
1658 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1660 2010-04-21 Jan Hubicka <jh@suse.cz>
1662 * varpool.c (decide_is_variable_needed): Variable is always needed
1665 2010-04-21 Jan Hubicka <jh@suse.cz>
1667 * opts.c (decode_options): Enable pure-const pass for whopr.
1669 2010-04-21 Jan Hubicka <jh@suse.cz>
1671 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1672 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1674 (cgraph_decide_inlining): Do not expect callee to be removed in all
1677 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1679 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1681 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1683 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1684 amdfam10_decode attributes.
1686 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1689 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1690 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1691 (lower_copyprivate_clauses): Use private var in outer
1692 context instead of original var. Make sure the types
1693 are correct for VLAs.
1695 2010-04-21 Richard Guenther <rguenther@suse.de>
1697 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1698 to non-pointer objects.
1700 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1702 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1703 last chain entry if it starts with the still current label.
1704 (add_location_or_const_value_attribute): Check that
1705 loc_list->first->next is NULL instead of comparing ->first with ->last.
1706 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1707 to add_var_loc_to_decl.
1709 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1710 >= 4 add also address size and segment size fields into CIE header.
1712 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1713 long as address size is the same as sizeof (void *) and
1715 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1716 address size or segment size is unexpected, return DW_EH_PE_omit.
1717 (classify_object_over_fdes): If get_cie_encoding returned
1718 DW_EH_PE_omit, return -1.
1719 (init_object): If classify_object_over_fdes returned -1,
1720 pretend there were no FDEs at all.
1722 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1724 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1725 bswap{si,di}2 using SWI48 mode iterator.
1726 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1727 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1728 set modrm attribute of bswap insn to 0 and remove length attribute.
1729 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1730 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1731 set mode attribute to <MODE> and remove length attribute.
1733 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1735 PR rtl-optimization/43520
1736 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1737 zero available registers.
1739 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1741 * builtins.c (fold_builtin_cproj): Fold more cases.
1743 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1745 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1746 (fold_builtin_1): Fold builtin cproj.
1747 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1748 Use ATTR_CONST_NOTHROW_LIST.
1750 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1752 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1753 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1754 ffsi2_no_cmove for !TARGET_CMOVE.
1755 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1756 (ffssi2): Remove expander.
1757 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1759 (ctz<mode>2): Ditto from ctz{si,di}2.
1760 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1762 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1765 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1767 * dwarf2out.c (AT_linkage_name): Define.
1768 (clone_as_declaration): Handle DW_AT_linkage_name.
1769 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1770 of DW_AT_MIPS_linkage_name.
1771 (move_linkage_attr): Likewise.
1772 (dwarf2out_finish): Likewise.
1774 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1777 * fold-const.c (fold_comparison): New folding rule.
1779 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1781 * double-int.h (double_int_setbit): Declare.
1782 * double-int.c (double_int_setbit): New function.
1783 * rtl.h (immed_double_int_const): Declare.
1784 * emit-rtl.c (immed_double_int_const): New function.
1785 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1786 and immed_double_int_const functions.
1787 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1788 expand_copysign_bit): (Ditto.).
1789 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1790 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1791 * dojump.c (prefer_and_bit_test): (Ditto.).
1792 * expr.c (convert_modes, reduce_to_bit_field_precision,
1793 const_vector_from_tree): (Ditto.).
1794 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1796 2010-04-20 Jan Hubicka <jh@suse.cz>
1798 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1799 (dump_cgraph_node): Dump new flags.
1800 * cgraph.h (struct cgraph_node): Add flags
1801 reachable_from_other_partition and in_other_partition.
1802 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1803 other partition can not be removed.
1804 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1805 the other partition must be output; silence sanity checking on
1806 leaking functions bodies from other paritition.
1807 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1808 (lto_output_node): Output new flags; do not sanity check that inline
1809 clones are output; drop lto_forced_extern_inline_p code; do not mock
1810 visibility flags at partition boundaries.
1811 (add_node_to): New function.
1812 (output_cgraph): Use it to sort functions so masters appear before
1814 (input_overwrite_node): Input new flags.
1815 * passes.c (ipa_write_summaries): Do not call
1816 lto_new_extern_inline_states.
1817 * lto-section-out.c (forced_extern_inline,
1818 lto_new_extern_inline_states lto_delete_extern_inline_states,
1819 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1820 * lto-streamer.h (lto_new_extern_inline_states,
1821 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1822 lto_forced_extern_inline_p): Kill.
1824 2010-04-20 Richard Guenther <rguenther@suse.de>
1826 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1827 from vars that can have pointers.
1828 (process_constraint): Dump useless constraints.
1830 2010-04-20 Richard Guenther <rguenther@suse.de>
1832 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1833 (dump_sa_points_to_info): Remove asserts.
1834 (init_base_vars): nothing_id isn't an escape point nor does it
1837 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1839 * tree.h (TYPE_REF_IS_RVALUE): Define.
1840 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1841 should_move_die_to_comdat, prune_unused_types_walk): Handle
1842 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1843 (modified_type_die, gen_reference_type_die): Emit
1844 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1845 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1847 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1850 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1851 calls for -fpic -m31 if they have been sibcall optimized.
1853 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1855 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1856 ar.lc fixed and call-used.
1858 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1860 2010-04-19 Jan Hubicka <jh@suse.cz>
1862 * opts.c (decode_options): Disable whpr incompatible passes.
1863 * lto/lto.c (lto_1_to_1_map): Skip clones.
1864 (read_cgraph_and_symbols): Do not mark everything as needed.
1865 (do_whole_program_analysis): Do map only after optimizing;
1866 set proper cgraph_state; use passmanager.
1868 2010-04-19 DJ Delorie <dj@redhat.com>
1870 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1871 POINTER_PLUS_EXPR and fix them.
1873 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1875 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1876 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1877 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1878 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1879 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1880 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1881 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1882 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1883 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1884 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1885 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1887 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1889 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1890 (check_cond_move_block): Likewise.
1891 (cond_move_process_if_block): Likewise.
1892 (noce_find_if_block): Improve formatting.
1893 (find_if_header): Pass 0 to memset and tweak conditions.
1894 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1896 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1898 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1902 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1903 with non-local decl doesn't need chain.
1905 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1907 * ira-color.c (allocno_reload_assign): Avoid accumulating
1908 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1910 2010-04-19 Martin Jambor <mjambor@suse.cz>
1912 * gimple.h (create_tmp_reg): Declare.
1913 * gimplify.c (create_tmp_reg): New function.
1914 (gimplify_return_expr): Use create_tmp_reg.
1915 (gimplify_omp_atomic): Likewise.
1916 (gimple_regimplify_operands): Likewise.
1917 * tree-dfa.c (make_rename_temp): Likewise.
1918 * tree-predcom.c (predcom_tmp_var): Likewise.
1919 (reassociate_to_the_same_stmt): Likewise.
1920 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1921 (get_replaced_param_substitute): Likewise.
1922 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1923 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1924 * tree-ssa-pre.c (get_representative_for): Likewise.
1925 (create_expression_by_pieces): Likewise.
1926 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1927 (create_tailcall_accumulator): Likewise.
1929 2010-04-19 Martin Jambor <mjambor@suse.cz>
1931 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1933 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1935 2010-04-19 Richard Guenther <rguenther@suse.de>
1937 PR tree-optimization/43796
1938 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1939 from SCEV in the lattice.
1940 (vrp_visit_phi_node): Dump change.
1942 2010-04-19 Richard Guenther <rguenther@suse.de>
1944 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1945 * configure: Re-generated.
1947 2010-04-19 Richard Guenther <rguenther@suse.de>
1949 PR tree-optimization/43783
1950 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1951 constant ARRAY_REF operands two and three if possible.
1953 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1956 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1958 2010-04-19 Jie Zhang <jie@codesourcery.com>
1961 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1963 2010-04-19 Ira Rosen <irar@il.ibm.com>
1965 PR tree-optimization/37027
1966 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1967 and macro to access it.
1968 (vectorizable_reduction): Add argument.
1969 (vect_get_slp_defs): Likewise.
1970 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1971 statements for possible use in SLP.
1972 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1973 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1974 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1976 (vectorizable_reduction): Likewise.
1977 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1979 (vectorizable_type_demotion, vectorizable_type_promotion,
1980 vectorizable_store): Likewise.
1981 (vect_analyze_stmt): Update call to vectorizable_reduction.
1982 (vect_transform_stmt): Likewise.
1983 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1984 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1985 from different interleaving chains in same node.
1986 (vect_slp_rearrange_stmts): New function.
1987 (vect_supported_load_permutation_p): Allow load permutations for
1988 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1989 inside SLP nodes if necessary.
1990 (vect_analyze_slp_instance): Handle reductions.
1991 (vect_analyze_slp): Try to build SLP instances originating from groups
1993 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1994 (vect_get_constant_vectors): Create initial vectors for reductions
1995 according to reduction code. Add new argument.
1996 (vect_get_slp_defs): Add new argument, pass it to
1997 vect_get_constant_vectors.
1998 (vect_schedule_slp_instance): Remove SLP tree root statements.
2000 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2002 * tree.h (ENUM_IS_SCOPED): Define.
2003 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2004 for ENUM_IS_SCOPED enums.
2006 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2008 * fold-const.c (fold_comparison): Use ssizetype.
2009 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2010 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2011 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2012 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2014 * tree.h (initialize_sizetypes): Remove parameter.
2015 (build_common_tree_nodes): Remove second parameter.
2016 * stor-layout.c (initialize_sizetypes): Remove parameter.
2017 Always create an unsigned type.
2018 (set_sizetype): Assert that the passed type is unsigned and simplify.
2019 * tree.c (build_common_tree_nodes): Remove second parameter.
2020 Adjust call to initialize_sizetypes.
2021 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2022 build_common_tree_nodes.
2024 2010-04-18 Matthias Klose <doko@ubuntu.com>
2026 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2028 2010-04-18 Ira Rosen <irar@il.ibm.com>
2030 PR tree-optimization/43771
2031 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2032 load permutation doesn't have gaps.
2034 2010-04-18 Jan Hubicka <jh@suse.cz>
2036 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2037 (sse_prologue_save_insn expander): Use new pattern.
2038 (sse_prologue_save_insn1): New pattern and splitter.
2039 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2041 * i386.c (setup_incoming_varargs_64): Do not compute jump
2043 (ix86_gimplify_va_arg): Update alignment needed.
2044 (ix86_local_alignment): Do not align all local arrays to 128bit.
2046 2010-04-17 Jan Hubicka <jh@suse.cz>
2048 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2050 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2052 * arm.md (negdi2): Remove redundant code to force values into a
2055 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2057 * arm/bpabi.S: Add EABI alignment attributes to objects.
2058 * arm/bpabi-v6m.S: Likewise.
2059 * arm/crti.asm: Likewise.
2060 * arm/crtn.asm: Likewise.
2061 * arm/lib1funcs.asm: Likewise.
2062 * arm/libunwind.S: Likewise.
2064 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2066 * arm-protos.h (tune_params): New structure.
2067 * arm.c (current_tune): New variable.
2068 (arm_constant_limit): Delete.
2069 (struct processors): Add pointer to the tune parameters.
2070 (arm_slowmul_tune): New tuning option.
2071 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2072 (all_cores): Adjust to pick up the tuning model.
2073 (arm_constant_limit): New function.
2074 (arm_override_options): Select the appropriate tuning model. Delete
2075 initialization of arm_const_limit.
2076 (arm_split_constant): Use the new constant-limit model.
2077 (arm_rtx_costs): Pick up the current tuning model.
2078 * arm.md (is_strongarm, is_xscale): Delete.
2079 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2080 for Xscale variant architectures.
2081 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2083 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2085 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2087 (arm_rtx_costs_1): Remove unused variable extra_cost.
2088 (arm_unwind_emit_set): Use variable offset.
2089 (thumb1_output_casesi): Remove unused variable flags.
2091 2010-04-16 Jeff Law <law@redhat.com>
2093 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2094 needing assignment rather than doing a two-phase assignment. Remove
2095 unused variable 'm'.
2097 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2100 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2102 2010-04-16 Doug Kwan <dougkwan@google.com>
2104 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2105 (next_operand_entry_id): New static variable.
2106 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2107 (add_to_ops_vec): Assigned unique ID to operand entry.
2108 (struct oecount_s): New field ID.
2109 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2110 (undistribute_ops_list): Assign unique IDs to oecounts.
2111 (init_reassoc): reset next_operand_entry_id.
2113 2010-04-16 Doug Kwan <dougkwan@google.com>
2115 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2116 missing left parenthesis.
2118 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2120 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2121 *btdi_rex64 using SWI48 mode iterator.
2122 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2123 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2124 *jcc_btdi_mask_rex64.
2126 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2128 * double-int.h (tree_to_double_int): Convert to macro.
2129 * double-int.c (tree_to_double_int): Remove.
2131 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2134 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2135 with want_address 2 and in case a single element list might be
2136 possible, call it again with want_address 0.
2138 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2140 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2141 case 'W' print operands for HI mode.
2142 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2143 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2144 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2145 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2147 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2149 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2150 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2151 #xx:3 and #xx:4 mode.
2153 * config/h8300/h8300.md (inverted load with HImode dest): Add
2154 support for H8300SX.
2156 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2157 satisfy 'U' constraint.
2159 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2161 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2162 * configure: Regenerate.
2163 * config.in: Regenerate.
2164 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2167 2010-04-16 Richard Guenther <rguenther@suse.de>
2169 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2170 (struct tree_decl_common): ... here.
2171 (DECL_PT_UID): Adjust.
2172 (SET_DECL_PT_UID): Likewise.
2173 (DECL_PT_UID_SET_P): Likewise.
2175 2010-04-16 Richard Guenther <rguenther@suse.de>
2177 PR tree-optimization/43572
2178 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2179 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2180 * tree-flow.h (is_call_clobbered): Remove.
2181 * tree-flow-inline.h (is_call_clobbered): Likewise.
2182 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2183 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2184 (execute_return_slot_opt): Adjust.
2185 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2186 check for call clobbered vars here.
2187 (find_tail_calls): Move tailcall verification to the
2190 2010-04-16 Diego Novillo <dnovillo@google.com>
2192 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2194 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2197 * config/arm/arm.md (cbranchqi4): New pattern.
2198 * config/arm/predicates.md (const0_operand,
2199 cbranchqi4_comparison_operator): New predicates.
2201 2010-04-16 Richard Guenther <rguenther@suse.de>
2203 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2204 (dump_gimple_stmt): Likewise.
2206 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2208 * recog.h (struct recog_data): New field is_operator.
2209 (struct insn_operand_data): New field is_operator.
2210 * recog.c (extract_insn): Set recog_data.is_operator.
2211 * genoutput.c (output_operand_data): Emit code to set the
2213 * reload.c (find_reloads): Use it rather than testing for an
2214 empty constraint string.
2217 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2218 If the previous insn is a cbranchsi4_insn with the same arguments,
2219 omit the compare instruction.
2221 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2222 register, inputs must be low registers and we need a low register
2223 scratch. Handle alternative 2 like alternative 3.
2225 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2227 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2228 don't call get_addr on both. If one expression is a VALUE and
2229 the other a REG, check VALUE's locs if the REG isn't among them.
2231 2010-04-16 Christian Bruel <christian.bruel@st.com>
2233 * config/sh/sh.h (sh_frame_pointer_required): New function.
2234 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2235 (flag_omit_frame_pointer) Set.
2236 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2237 (rounded_frame_size): Adjust size with outgoing_args_size.
2238 (sh_set_return_address): Must return from stack pointer.
2239 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2240 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2241 (ACCUMULATE_OUTGOING_ARGS): Define.
2242 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2243 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2245 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2248 * config/sh/sh.c (sh_legitimize_reload_address): Use
2249 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2250 Remove a unneeded check for offset_base.
2252 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2254 * configure: Regenerated.
2256 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2258 * config/s390/s390.c (s390_call_save_register_used): Switch back
2259 to HARD_REGNO_NREGS.
2261 2010-04-15 Richard Guenther <rguenther@suse.de>
2263 * alias.c (alias_set_subset_of): Handle alias-set zero
2266 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2267 Julian Brown <julian@codesourcery.com>
2269 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2270 alternatives according to use of high and low regs.
2271 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2272 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2273 optimizing for size on Thumb-2.
2275 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2277 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2279 2010-04-15 Richard Guenther <rguenther@suse.de>
2281 * tree-ssa-structalias.c (struct variable_info): Add
2283 (new_var_info): Initialize it.
2284 (dump_constraints): Support printing last added constraints.
2285 (debug_constraints): Adjust.
2286 (dump_constraint_graph): Likewise.
2287 (make_heapvar_for): Check for NULL cfun.
2288 (get_function_part_constraint): New function.
2289 (get_fi_for_callee): Likewise.
2290 (find_func_aliases): Properly implement IPA PTA constraints.
2291 (process_ipa_clobber): New function.
2292 (find_func_clobbers): Likewise.
2293 (insert_into_field_list_sorted): Remove.
2294 (create_function_info_for): Properly allocate vars for IPA mode.
2295 Do not use insert_into_field_list_sorted.
2296 (create_variable_info_for): Properly generate constraints for
2297 global vars in IPA mode.
2298 (dump_solution_for_var): Always dump the solution.
2299 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2300 (find_what_var_points_to): Adjust.
2301 (pt_solution_set): Change.
2302 (pt_solution_ior_into): New function.
2303 (pt_solution_empty_p): Export.
2304 (pt_solution_includes_global): Adjust.
2305 (pt_solution_includes_1): Likewise.
2306 (pt_solutions_intersect_1): Likewise.
2307 (dump_sa_points_to_info): Check some invariants.
2308 (solve_constraints): Move constraint dumping ...
2309 (compute_points_to_sets): ... here.
2310 (ipa_pta_execute): ... and here.
2311 (compute_may_aliases): Do not re-compute points-to info
2312 locally if IPA info is available.
2313 (ipa_escaped_pt): New global var.
2314 (ipa_pta_execute): Properly implement IPA PTA.
2315 * tree-into-ssa.c (dump_decl_set): Support dumping
2316 decls not in referenced-vars.
2317 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2318 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2319 (dump_points_to_solution): Likewise.
2320 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2321 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2322 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2323 (copy_decl_to_var): Copy DECL_PT_UID.
2324 (copy_result_decl_to_var): Likewise.
2325 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2326 (copy_node_stat): Copy it.
2327 * tree.h (DECL_PT_UID): New macro.
2328 (SET_DECL_PT_UID): Likewise.
2329 (DECL_PT_UID_SET_P): Likewise.
2330 (struct tree_decl_minimal): Add pt_uid member.
2331 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2332 (pt_solution_empty_p): Declare.
2333 (pt_solution_set): Adjust.
2334 (ipa_escaped_pt): Declare.
2335 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2336 * gimple-pretty-print.c (pp_points_to_solution): New function.
2337 (dump_gimple_call): Dump call clobber/use information.
2338 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2339 * tree-pass.h (TDF_ALIAS): New dump option.
2340 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2341 * doc/invoke.texi (-fipa-pta): Update documentation.
2343 2010-04-15 Richard Guenther <rguenther@suse.de>
2345 * Makefile.in (OBJS-common): Add gimple-fold.o.
2346 (gimple-fold.o): New rule.
2347 * tree.h (maybe_fold_offset_to_reference,
2348 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2350 * gimple.h: ... here.
2351 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2352 may_propagate_address_into_dereference): Move prototypes ...
2353 * gimple.h: ... here.
2354 * tree-ssa-ccp.c (get_symbol_constant_value,
2355 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2356 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2357 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2358 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2359 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2360 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2361 gimplify_and_update_call_from_tree): Move ...
2362 * gimple-fold.c: ... here. New file.
2363 (ccp_fold_builtin): Rename to ...
2364 (gimple_fold_builtin): ... this.
2365 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2367 2010-04-15 Richard Guenther <rguenther@suse.de>
2369 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2370 fit_double_type, force_fit_type_double, add_double_with_sign,
2371 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2372 lrotate_double, rrotate_double, div_and_round_double): Move ...
2373 * double-int.c: ... here.
2374 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2375 add_double, neg_double, mul_double_with_sign, mul_double,
2376 lshift_double, rshift_double, lrotate_double, rrotate_double,
2377 div_and_round_double): Move prototypes ...
2378 * double-int.h: ... here.
2380 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2383 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2384 matching constraints to ensure inputs match the output.
2386 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2389 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2390 in an input-only operand.
2392 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2394 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2395 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2396 (double_int_negative_p): Convert to static inline function.
2397 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2398 (double_int_negative_p): Remove.
2399 * tree.h (lshift_double, rshift_double):
2400 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2401 * fold-const.c (fold_convert_const_int_from_real,
2402 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2403 (lshift_double): Change type of arith argument to bool.
2404 (rshift_double): Change type of arith argument to bool. Correct
2406 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2408 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2411 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2412 at the start and end of the then/else blocks, and omit them from the
2414 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2415 argument; all callers changed. Pass zero to old_insns_match_p instead.
2416 (flow_find_head_matching_sequence): New function.
2417 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2418 * basic-block.h (flow_find_cross_jump,
2419 flow_find_head_matching_sequence): Declare functions.
2421 2010-04-14 Jason Merrill <jason@redhat.com>
2424 * c-common.c (attribute_takes_identifier_p): New fn.
2425 * c-common.h: Declare it.
2427 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2429 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2431 (*udivmod<mode>4): Ditto.
2433 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2435 * config/i386/i386.md (maxmin_int): Rename code attribute from
2436 maxminiprefix and update all users.
2437 (maxmin_float): Ditto from maxminfprefix.
2438 (logic): Ditto from logicprefix.
2439 (absneg_mnemonic): Ditto from absnegprefix.
2440 * config/i386/mmx.md: Update all users of maxminiprefix,
2441 maxminfprefix and logicprefix for rename.
2442 * config/i386/sse.md: Ditto.
2443 * config/i386/sync.md (sync_<code><mode>): Update for
2446 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2449 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2450 warnings converted to errors.
2452 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2454 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2455 used insn_type variable.
2456 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2457 to avoid set-but-not-used warning.
2459 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2461 * df-core.c (df_ref_debug): Change format string placeholder
2463 * dwarf2asm.c (dw2_asm_output_data_raw,
2464 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2465 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2466 * dwarf2out.c (output_cfi, output_cfi_directive,
2467 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2468 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2470 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2471 * print-rtl.c (print_rtx): Ditto.
2473 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2476 * builtins.c (expand_builtin_pow_root): New function to expand pow
2477 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2478 series of sqrt and cbrt calls under -ffast-math.
2479 (expand_builtin_pow): Call it.
2481 2010-04-14 Michael Matz <matz@suse.de>
2483 PR tree-optimization/42963
2484 * tree-cfg.c (touched_switch_bbs): New static variable.
2485 (group_case_labels_stmt): New function broken out from ...
2486 (group_case_labels): ... here, use the above.
2487 (start_recording_case_labels): Allocate touched_switch_bbs.
2488 (end_recording_case_labels): Deallocate it, call
2489 group_case_labels_stmt.
2490 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2492 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2494 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2497 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2499 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2501 2010-04-13 Jan Hubicka <jh@suse.cz>
2503 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2504 of optimized out static functions.
2505 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2506 cost computation. Also sanity check for overflows.
2507 (update_caller_keys): Update cgraph_edge_badness call; properly
2508 update fibheap and sanity check that it is up to date.
2509 (add_new_edges_to_heap): Update cgraph_edge_badness.
2510 (cgraph_decide_inlining_of_small_function): Likewise;
2511 add sanity checking that badness in heap is up to date;
2512 improve dumping of reason; Update badness of calls to the
2513 offline copy of function currently inlined; dump badness
2514 of functions not inlined because of unit growth limits.
2516 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2519 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2520 because of sign-extension change when converting to sizetype here...
2521 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2523 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2524 the folding to constants. Remove redundant final conversion.
2525 (fold_binary) <associate>: Do not associate if the re-association of
2526 constants alone overflows.
2527 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2528 to the end of the list.
2529 (multiple_of_p) <COND_EXPR>: New case.
2531 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2533 * opt-functions.awk (opt_sanitized_name): New.
2535 * optc-gen.awk: Use it
2536 * opth-gen.awk: Use it.
2538 2010-04-13 Martin Jambor <mjambor@suse.cz>
2540 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2541 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2542 children. Call replace_uses_with_default_def_ssa_name to handle
2545 2010-04-13 Michael Matz <matz@suse.de>
2548 * builtins.c (expand_builtin_interclass_mathfn): Also create
2549 a register if the predicate doesn't match.
2551 2010-04-13 Diego Novillo <dnovillo@google.com>
2553 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2554 * c-pch.c: Include timevar.h.
2555 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2556 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2557 * ggc-common.c: Include timevar.h.
2558 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2559 * timevar.def (TV_PCH_SAVE): Define.
2560 (TV_PCH_CPP_SAVE): Define.
2561 (TV_PCH_PTR_REALLOC): Define.
2562 (TV_PCH_PTR_SORT): Define.
2563 (TV_PCH_RESTORE): Define.
2564 (TV_PCH_CPP_RESTORE): Define.
2566 2010-04-13 Michael Matz <matz@suse.de>
2568 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2570 (can_reassociate_p): New function.
2571 (break_up_subtract_bb, reassociate_bb): Use it.
2573 2010-04-13 Richard Guenther <rguenther@suse.de>
2576 * builtins.c (c_readstr): Fix assert.
2578 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2580 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2581 when generating cltd insn.
2583 (*ashl<mode>3_1): Remove special handling for register operand 2.
2584 (*ashlsi3_1_zext): Ditto.
2585 (*ashlhi3_1): Ditto.
2586 (*ashlhi3_1_lea): Ditto.
2587 (*ashlqi3_1): Ditto.
2588 (*ashlqi3_1_lea): Ditto.
2589 (*<shiftrt_insn><mode>3_1): Ditto.
2590 (*<shiftrt_insn>si3_1_zext): Ditto.
2591 (*<shiftrt_insn>qi3_1_slp): Ditto.
2592 (*<rotate_insn><mode>3_1): Ditto.
2593 (*<rotate_insn>si3_1_zext): Ditto.
2594 (*<rotate_insn>qi3_1_slp): Ditto.
2596 2010-04-13 Richard Guenther <rguenther@suse.de>
2598 * tree-ssa-structalias.c (callused_id): Remove.
2599 (call_stmt_vars): New.
2600 (get_call_vi): Likewise.
2601 (lookup_call_use_vi): Likewise.
2602 (lookup_call_clobber_vi): Likewise.
2603 (get_call_use_vi): Likewise.
2604 (get_call_clobber_vi): Likewise.
2605 (make_transitive_closure_constraints): Likewise.
2606 (handle_const_call): Adjust to do per-call call-used handling.
2607 (handle_pure_call): Likewise.
2608 (find_what_var_points_to): Remove general callused handling.
2609 (init_base_vars): Likewise.
2610 (init_alias_vars): Initialize call_stmt_vars.
2611 (compute_points_to_sets): Process call-used and call-clobbered
2612 vars for call statements.
2613 (delete_points_to_sets): Free call_stmt_vars.
2615 2010-04-13 Richard Guenther <rguenther@suse.de>
2617 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2618 Only add RW dependence for dependence distance zero.
2619 Adjust maximal vectorization factor according to dependences.
2620 Move alignment handling ...
2621 (vect_find_same_alignment_drs): ... here. New function.
2622 (vect_analyze_data_ref_dependences): Adjust.
2623 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2624 (vect_analyze_data_refs): Adjust minimal vectorization factor
2625 according to data references.
2626 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2627 dependences before determining the vectorization factor.
2628 Analyze alignment after determining the vectorization factor.
2629 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2630 dependences before alignment.
2631 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2633 (vect_analyze_data_refs): Likewise.
2634 (MAX_VECTORIZATION_FACTOR): New define.
2636 2010-04-13 Duncan Sands <baldrick@free.fr>
2638 * except.h (lang_eh_type_covers): Remove.
2639 * except.c (lang_eh_type_covers): Likewise.
2641 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2642 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2644 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2645 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2646 UNITS_PER_LONG where it is ABI relevant.
2647 (s390_return_addr_rtx): Likewise.
2648 (s390_back_chain_rtx): Likewise.
2649 (s390_frame_area): Likewise.
2650 (s390_frame_info): Likewise.
2651 (s390_initial_elimination_offset): Likewise.
2652 (save_gprs): Likewise.
2653 (s390_emit_prologue): Likewise.
2654 (s390_emit_epilogue): Likewise.
2655 (s390_function_arg_advance): Likewise.
2656 (s390_function_arg): Likewise.
2657 (s390_va_start): Likewise.
2658 (s390_gimplify_va_arg): Likewise.
2659 (s390_function_profiler): Likewise.
2660 (s390_optimize_prologue): Likewise.
2661 (s390_rtx_costs): Likewise.
2662 (s390_secondary_reload): Likewise.
2663 (s390_promote_function_mode): Likewise.
2664 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2665 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2666 registers available.
2667 (s390_unwind_word_mode): New function.
2668 (s390_function_value): Split 64 bit values into register pair if
2669 used as return value.
2670 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2671 function call parameters. Handle parallels.
2672 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2673 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2674 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2675 (s390_expand_setmem): Remove unused variable src_addr.
2676 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2677 deal with 64 bit registers.
2678 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2679 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2680 (UNITS_PER_LONG): New macro.
2681 * libjava/include/s390-signal.h: Define extended ucontext
2682 structure containing the upper halfs of the 64 bit registers.
2684 2010-04-13 Simon Baldwin <simonb@google.com>
2686 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2688 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2690 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2691 rvalue on the RHS if the LHS is of a non-renamable type.
2692 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2694 2010-04-13 Matthias Klose <doko@ubuntu.com>
2696 * gcc.c (cc1_options): Handle -iplugindir before processing
2697 the cc1 spec. Only add -iplugindir once.
2698 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2700 * common.opt (iplugindir): Remove `Separate' property, initialize.
2701 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2703 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2704 (distclean): Remove plugin dir.
2705 * doc/invoke.texi: Document -iplugindir.
2707 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2709 * doc/plugins.texi (Loading Plugins): Document short
2710 -fplugin=foo option.
2711 (Plugin API): Mention default_plugin_dir_name function.
2713 * gcc.c (find_file_spec_function): Add new declaration.
2714 (static_spec_func): Use it for "find-file".
2715 (find_file_spec_function): Add new function.
2716 (cc1_options): Add -iplugindir option if -fplugin* options found.
2718 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2720 * plugin.c (add_new_plugin): Updated comment, and handle short
2722 (default_plugin_dir_name): Added new function.
2724 * common.opt (iplugindir): New option to set the plugin directory.
2726 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2728 * config/i386/i386.md (any_rotate): New code iterator.
2729 (rotate_insn): New code attribute.
2731 (SWIM124): New mode iterator.
2732 (<rotate_insn>ti3): New expander.
2733 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2734 any_rotate code iterator.
2735 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2736 using any_rotate code iterator and SWIM124 mode iterator.
2737 (ix86_rotlti3): New insn_and_split pattern.
2738 (ix86_rotrti3): Ditto.
2739 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2740 ix86_rotl{di,ti}3 patterns.
2741 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2742 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2743 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2744 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2745 code iterator and SWI mode iterator.
2746 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2747 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2749 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2750 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2751 (bswap rotatert splitter): Add splitter.
2752 (bswap splitter): Macroize splitter using any_rotate code iterator.
2753 Add insn predicate to split only for TARGET_USE_XCHGB or when
2754 optimizing function for size.
2756 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2758 * config/pa/pa.c (emit_move_sequence): Remove use of
2759 deleted variable flag_argument_noalias.
2761 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2763 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2765 Add to unsupported targets list.
2766 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2767 sparc*-sun-solaris2.[567]* from target lists.
2768 * configure: Regenerate.
2769 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2771 Remove Solaris 7 patch references.
2772 (Specific, sparc-sun-solaris2.7): Removed.
2773 (sparc-sun-solaris2*): Update Solaris 7 example.
2774 (sparc64-*-solaris2*): Likewise.
2776 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2778 * config.build (alpha*-dec-osf4*): Remove.
2779 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2780 of obsolete configurations.
2781 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2783 * config/alpha/t-osf4: Renamed to ...
2784 * config/alpha/t-osf5: ... this.
2785 * config/alpha/osf.h: Renamed to ...
2786 * config/alpha/osf5.h: ... this.
2787 Merged old osf5.h contents.
2789 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2790 (EXTRA_SPECS): Removed.
2791 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2792 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2795 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2797 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2799 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2802 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2803 __thiscall convention.
2805 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2807 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2809 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2811 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2813 * function.c (assign_parms_initialize_all): Add unused attribute
2816 2010-04-12 Richard Guenther <rguenther@suse.de>
2818 * gsstruct.def (GSS_CALL): New.
2819 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2820 * gimple.h: Include tree-ssa-alias.h.
2821 (struct gimple_statement_call): New.
2822 (union gimple_statement_struct_d): Add gimple_call member.
2823 (gimple_call_reset_alias_info): Declare.
2824 (gimple_call_use_set): New function.
2825 (gimple_call_clobber_set): Likewise.
2826 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2827 * gimple.c (gimple_call_reset_alias_info): New function.
2828 (gimple_build_call_1): Call it.
2829 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2830 * tree-inline.c (remap_gimple_stmt): Likewise.
2831 (expand_call_inline): Remove callused handling.
2832 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2833 * tree-dfa.c (dump_variable): Likewise.
2834 * tree-parloops.c (parallelize_loops): Likewise.
2835 * tree-ssa.c (init_tree_ssa): Likewise.
2836 (delete_tree_ssa): Likewise.
2837 * tree-flow-inline.h (is_call_used): Remove.
2838 * tree-flow.h (struct gimple_df): Remove callused member.
2839 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2840 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2841 (ref_maybe_used_by_call_p_1): Simplify.
2842 (call_may_clobber_ref_p_1): Likewise.
2843 * tree-ssa-structalias.c (compute_points_to_sets): Set
2844 the call stmt used and clobbered sets.
2845 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2846 (find_tail_calls): Verify the tail call.
2848 2010-04-12 Richard Guenther <rguenther@suse.de>
2850 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2851 single-iteration always-inline inlining.
2852 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2853 (cgraph_decide_inlining): Do not handle always-inline specially.
2854 (try_inline): Remove always-inline cycle detection special case.
2855 Do not recurse on always-inlines.
2856 (cgraph_early_inlining): Do not iterate if not optimizing.
2857 (cgraph_gate_early_inlining): remove.
2858 (pass_early_inline): Run unconditionally.
2859 (gate_cgraph_decide_inlining): New function.
2860 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2861 not inlining or optimizing.
2862 (cgraph_decide_inlining_of_small_functions): Also consider
2863 always-inline functions.
2864 (cgraph_default_inline_p): Return true for nodes which should
2865 disregard inline limits.
2866 (estimate_function_body_sizes): Assume zero size and time for
2867 nodes which are marked as disregarding inline limits.
2868 (cgraph_decide_recursive_inlining): Do not perform recursive
2869 inlining on always-inline nodes.
2871 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2874 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2875 for exprs satisfying handled_component_p.
2877 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2879 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2880 non-constant aggregate elements.
2882 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2883 is a real initialization.
2885 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2888 * c-decl.c (start_function): Move forward check for nested function.
2890 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2892 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2893 * config/sh/sh.c: Include reload.h.
2894 (sh_legitimize_reload_address): New.
2895 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2896 sh_legitimize_reload_address.
2898 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2900 * config/sh/sh.md (*movqi_pop): New insn pattern.
2901 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2903 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2905 * config/i386/i386.md (any_shiftrt): New code iterator.
2906 (shiftrt_insn): New code attribute.
2908 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2909 using any_shiftrt code iterator.
2910 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2911 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2912 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2913 pattern from corresponding peephole2 patterns.
2914 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2915 using any_shiftrt code iterator.
2916 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2917 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2918 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2919 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2920 *{ashr,lshr}<mode>3_cmp_zext.
2921 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2923 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2925 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2927 (*lshr<mode>3_cconly): Ditto.
2929 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2931 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2932 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2933 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2934 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2936 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2937 from corresponding peephole2 patterns.
2938 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2939 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2940 and *lshrdi3_1_rex64 using SWI mode iterator.
2941 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2942 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2943 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2944 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2945 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2946 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2947 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2948 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2949 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2952 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2954 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2955 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2956 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2957 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2959 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2960 from corresponding peephole2 patterns.
2961 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2962 (ashrsi3_cvt): Rename from ashrsi3_31.
2963 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2964 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2965 and x86_64_shift_adj_3 using SWI48 mode iterator.
2966 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2967 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2968 and *ashrdi3_1_rex64 using SWI mode iterator.
2969 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2970 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2971 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2972 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2973 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2974 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2975 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2976 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2977 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2979 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2980 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2981 x86_shift<mode>_adj_3 expanders.
2983 2010-04-10 Wei Guozhi <carrot@google.com>
2986 * config/arm/arm.c (arm_pic_static_addr): New function.
2987 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2989 (arm_output_addr_const_extra): Output expression for new pattern.
2990 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2992 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2994 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2997 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2998 * web.c: Include "insn-config.h" and "recog.h".
2999 (union_match_dups): New function.
3000 (web_main): Call it.
3001 (union_defs): Don't try to recognize match_dups.
3003 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3004 if doing so would replace the entire pattern.
3006 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3010 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3011 and splitter pattern. Change splitter operand 1 predicate to
3014 2010-04-09 Martin Jambor <mjambor@suse.cz>
3016 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3017 lattices are addresses of CONST_DECLs with the same initial value.
3018 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3019 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3021 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3022 Bernd Schmidt <bernds@codesourcery.com>
3024 * loop-invariant.c (replace_uses): New static function.
3025 (move_invariant_reg): Use it to ensure we can replace the uses.
3027 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3029 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3031 (picochip_override_options): Enable section anchors only above -O1.
3032 (picochip_reorg): Fixed a couple of build warnings.
3034 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3036 * configure.ac (plugin -rdynamic test): Log result.
3037 * configure: Regenerate.
3038 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3039 (RDYNAMIC_SPEC): Define.
3040 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3042 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3044 * configure.ac: Determine Sun ld version numbers.
3045 (comdat_group): Restrict GNU ld version checks to gld.
3046 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3047 (enable_comdat): Support --enable-comdat.
3048 * configure: Regenerate.
3049 * doc/install.texi (Configuration): Document --enable-comdat.
3051 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3053 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3054 * config/sol2-gld.h: ... here.
3055 * config.gcc (sparc*-*-solaris2*): Reflect this.
3056 (i[34567]86-*-solaris2*): Use it.
3058 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3060 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3062 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3064 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3067 * diagnostic.c (diagnostic_initialize): Initialize
3068 some_warnings_are_errors.
3069 (diagnostic_finish): New.
3070 (diagnostic_action_after_output): Call it before exiting.
3071 (diagnostic_report_diagnostic): Do not print message here. Set
3072 some_warnings_are_errors.
3073 * diagnostic.h (diagnostic_context): Delete
3074 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3075 (diagnostic_finish): Declare.
3076 * toplev.c (toplev_main): Call it before exit.
3078 2010-04-09 Jason Merrill <jason@redhat.com>
3081 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3082 for incomplete type.
3085 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3086 based on a warning flag.
3088 2010-04-09 Richard Guenther <rguenther@suse.de>
3090 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3092 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3095 * varasm.c (default_assemble_visibility): Wrap vars that are
3096 set, but unused, by targets without GAS.
3097 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3098 Remove set, but unused, vars.
3099 (rs6000_legitimize_tls_address): Likewise.
3100 (altivec_expand_dst_builtin): Likewise.
3101 * config/darwin.c (machopic_classify_symbol): Likewise.
3102 (machopic_indirection_name): Likewise.
3104 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3106 * config/i386/i386.md (DWI): New mode iterator.
3107 (S): New mode attribute.
3108 (shift_operand): Ditto.
3109 (shift_immediate_operand): Ditto.
3110 (ashl_input_operand): Ditto.
3111 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3112 using SDWIM mode iterator.
3113 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3114 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3116 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3117 from corresponding peephole2 patterns.
3118 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3119 and x86_64_shift_adj_1 using SWI48 mode iterator.
3120 (x86_shift<mode>_adj_2): Ditto.
3121 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3122 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3123 using SWI48 mode iterator.
3124 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3125 *ashldi3_cmp_rex64 using SWI mode iterator.
3126 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3127 *ashldi3_cconly_rex64 using SWI mode iterator.
3128 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3129 x86_shift<mode>_adj_{1,2}.
3130 (ix86_split_ashr): Ditto.
3131 (ix86_split_lshr): Ditto.
3133 2010-04-09 Richard Guenther <rguenther@suse.de>
3135 * target.h (builtin_conversion): Pass in input and output types.
3136 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3137 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3138 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3139 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3141 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3143 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3145 2010-04-09 Richard Guenther <rguenther@suse.de>
3148 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3150 2010-04-09 Richard Guenther <rguenther@suse.de>
3152 * tree-vectorizer.h (struct _stmt_vec_info): Document
3153 that vectype is the type of the LHS.
3154 (supportable_widening_operation, supportable_narrowing_operation):
3155 Get both input and output vector types as arguments.
3156 (vect_is_simple_use_1): Declare.
3157 (get_same_sized_vectype): Likewise.
3158 * tree-vect-loop.c (vect_determine_vectorization_factor):
3159 Set STMT_VINFO_VECTYPE to the vector type of the def.
3160 (vectorizable_reduction): Adjust.
3161 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3162 Adjust. Specify the output vector type.
3163 (vect_pattern_recog_1): Adjust.
3164 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3165 (vectorizable_call): Adjust.
3166 (vectorizable_conversion): Likewise.
3167 (vectorizable_operation): Likewise.
3168 (vectorizable_type_demotion): Likewise.
3169 (vectorizable_type_promotion): Likewise.
3170 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3172 (vect_is_simple_use_1): New function.
3173 (supportable_widening_operation): Get both input and output
3175 (supportable_narrowing_operation): Likewise.
3176 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3178 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3180 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3181 __thiscall and _thiscall as predefined macros.
3182 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3183 thiscall attribute handling.
3184 (ix86_comp_type_attributes): Likewise.
3185 (ix86_function_regparm): Likewise.
3186 (ix86_return_pops_args): Likewise.
3187 (init_cumulative_args): Likewise.
3188 (find_drap_reg): Likewise.
3189 (ix86_static_chain): Likewise.
3190 (x86_this_parameter): Likewise.
3191 (x86_output_mi_thunk): Likewise.
3192 (ix86_attribute_table): Add description for thiscall attribute.
3193 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3194 * doc/extend.texi: Add documentation for thiscall.
3196 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3199 * c.opt (Wint-to-pointer-cast): Available in C++.
3200 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3202 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3204 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3205 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3206 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3207 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3208 function type instead. Reorder and simplify checks.
3210 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3212 2010-04-08 Jing Yu <jingyu@google.com>
3213 Zdenek Dvorak <ook@ucw.cz>
3215 PR tree-optimization/42720
3216 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3217 loop unswitch conditions here from ...
3218 (tree_unswitch_single_loop): ... here.
3220 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3222 * tree-if-conv.c: Fix comments and simplify logic.
3224 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3226 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3227 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3228 (main_tree_if_conversion): Update call to tree_if_conversion.
3230 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3233 * doc/invoke.texi (-b,-V): Delete.
3234 * doc/tm.texi: Do not mention -b.
3235 * gcc.c (display_help): Delete -b and -V.
3236 (process_command): Delete -b and -V.
3237 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3239 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3240 Wolfgang Gellerich <gellerich@de.ibm.com>
3242 Implement target hook for loop unrolling
3243 * target.h (loop_unroll_adjust): Add a new target hook function.
3244 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3245 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3246 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3247 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3248 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3250 (decide_unroll_stupid): Likewise.
3252 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3255 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3257 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3259 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3260 (Specific, *-*-solaris2*): Likewise.
3261 Don't prefer Sun as over GNU as.
3263 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3265 * config/s390/s390.c (override_options): Adjust the z10
3266 defaults for max-unroll-times, max-completely-peeled-insns
3267 and max-completely-peel-times.
3269 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3271 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3272 instructions for z10.
3273 (s390_expand_setmem): Likewise.
3274 (s390_expand_cmpmem): Likewise.
3276 2010-04-08 Richard Guenther <rguenther@suse.de>
3278 PR tree-optimization/43679
3279 * tree-ssa-pre.c (eliminate): Only propagate copies.
3281 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3284 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3285 set but not used variable warning.
3287 2010-04-08 Wei Guozhi <carrot@google.com>
3290 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3291 (arm_size_rtx_costs): Call the new function when optimized for size.
3293 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3296 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3297 op0 is not a MEM, just return NULL instead of assertion
3299 (discover_nonconstant_array_refs): Don't walk debug stmts.
3301 2010-04-08 Doug Kwan <dougkwan@google.com>
3303 * configure.ac: Recognize gold and do not use its version number
3304 to test ld features.
3305 * configure: Regenerate.
3307 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3310 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3311 (negate_value): Move code to push elements to broken_up_substracts ...
3312 (eliminate_plus_minus_pair): ... here. Push operands that have no
3313 negative pair to plus_negates.
3314 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3316 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3318 * doc/install.texi (Configuration): Move description of
3319 --enable-lto, --with-libelf*, --enable-gold from Java section to
3322 * doc/generic.texi (Working with declarations)
3323 (Function Properties, C and C++ Trees): Fix typos.
3324 * doc/sourcebuild.texi (Top Level): Likewise.
3326 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3329 * tree.h (DECL_READ_P): Define.
3330 (struct tree_decl_common): Add decl_read_flag.
3331 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3332 a set but not used warning.
3333 (merge_decls): Merge DECL_READ_P flag.
3334 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3335 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3336 * c-common.c (handle_used_attribute, handle_unused_attribute):
3338 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3340 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3342 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3343 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3344 c_parser_binary_expression, c_parser_cast_expression,
3345 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3346 Call default_function_array_read_conversion instead of
3347 default_function_array_conversion where needed.
3348 (c_parser_unary_expression, c_parser_conditional_expression,
3349 c_parser_postfix_expression_after_primary, c_parser_initelt):
3350 Likewise. Call mark_exp_read where needed.
3351 (c_parser_statement_after_labels, c_parser_asm_operands,
3352 c_parser_typeof_specifier, c_parser_sizeof_expression,
3353 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3355 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3357 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3358 (warn_unused_but_set_parameter): Default to warn_unused
3360 * doc/invoke.texi: Document -Wunused-but-set-variable and
3361 -Wunused-but-set-parameter.
3363 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3364 used count variable.
3365 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3366 when operandN variables aren't used in the body of the expander
3368 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3369 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3370 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3371 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3372 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3373 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3374 * tree.c (PROCESS_ARG): Likewise.
3376 2010-04-07 Simon Baldwin <simonb@google.com>
3378 * diagnostic.h (diagnostic_override_option_index): New macro to
3379 set a diagnostic's option_index.
3380 * c-tree.h (c_cpp_error): Add warning reason argument.
3381 * opts.c (_warning_as_error_callback): New.
3382 (register_warning_as_error_callback): Store callback for
3383 warnings enabled via enable_warning_as_error.
3384 (enable_warning_as_error): Call callback, minor code tidy.
3385 * opts.h (register_warning_as_error_callback): Declare.
3386 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3387 response to -Werror=.
3388 (c_common_init_options): Register warning_as_error_callback in opts.c.
3389 * common.opt: Add -Wno-cpp option.
3390 * c-common.c (struct reason_option_codes_t): Map cpp warning
3391 reason codes to gcc option indexes.
3392 * (c_option_controlling_cpp_error): New function, lookup the gcc
3393 option index for a cpp warning reason code.
3394 * (c_cpp_error): Add warning reason argument, call
3395 c_option_controlling_cpp_error for diagnostic_override_option_index.
3396 * doc/invoke.texi: Document -Wno-cpp.
3398 2010-04-07 Richard Guenther <rguenther@suse.de>
3400 * ipa-reference.c (mark_load): Use get_base_address.
3401 (mark_store): Likewise.
3403 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3404 inserting GIMPLE_NOPs into the IL.
3405 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3406 Explicitly strip handled components and indirect references.
3408 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3409 folding address expressions.
3410 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3411 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3412 operand_equal_p to compare decls.
3413 (ptr_deref_may_alias_decl_p): Likewise.
3414 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3415 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3416 Handle reversed comparison ops.
3417 * tree-sra.c (asm_visit_addr): Use get_base_address.
3418 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3419 * ipa-reference.c (mark_address): Use get_base_address.
3421 2010-04-07 Richard Guenther <rguenther@suse.de>
3423 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3424 Propagate constants everywhere.
3426 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3429 * tree.c (MAX_INT_CACHED_PREC): Define.
3430 (nonstandard_integer_type_cache): New array.
3431 (build_nonstandard_integer_type): Cache results for precision
3432 <= MAX_INT_CACHED_PREC.
3434 2010-04-07 Richard Guenther <rguenther@suse.de>
3436 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3437 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3438 * common.opt: Likewise.
3439 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3440 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3441 (nonoverlapping_memrefs_p): Likewise.
3442 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3443 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3444 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3445 OPT_fargument_noalias_global for backward compatibility.
3447 2010-04-07 Richard Guenther <rguenther@suse.de>
3449 PR tree-optimization/43270
3450 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3451 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3452 * tree-ssa-pre.c (phi_translate_1): Adjust.
3453 (fully_constant_expression): Split out vn_reference handling to ...
3454 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3455 Fold reads from constant strings.
3456 (vn_reference_lookup): Handle fully constant references.
3457 (vn_reference_lookup_pieces): Likewise.
3458 * Makefile.in (expmed.o-warn): Add -Wno-error.
3460 2010-04-07 Martin Jambor <mjambor@suse.cz>
3462 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3464 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3467 * gcc.c: Add -static-libstdc++ to list of recognized options.
3469 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3471 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3473 2010-04-07 Richard Guenther <rguenther@suse.de>
3476 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3477 bases build simple mem attributes to retain points-to information.
3479 2010-04-07 Richard Guenther <rguenther@suse.de>
3482 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3483 preserve points-to related information.
3485 2010-04-07 Richard Guenther <rguenther@suse.de>
3488 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3489 discard plain indirect references.
3490 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3491 * tree.c (tree_nop_conversion): Likewise.
3493 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3496 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3498 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3500 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3501 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3503 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3505 * tree-if-conv.c: Fix indentation and comments.
3507 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3509 * tree-if-conv.c: Sort static functions in topological order.
3511 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3513 * tree-if-conv.c: Fix indentation and comments.
3515 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3518 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3519 lang_hooks.types.type_for_size instead of
3520 build_nonstandard_integer_type.
3521 When converting an unsigned type to signed, double its precision.
3522 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3523 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3524 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3527 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3530 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3531 POINTER_PLUS_EXPR for pointer types.
3533 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3536 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3537 * graphite-clast-to-gimple.c: Include langhooks.h.
3538 (max_signed_precision_type): New.
3539 (max_precision_type): Takes two types as arguments.
3540 (precision_for_value): New.
3541 (precision_for_interval): New.
3542 (gcc_type_for_interval): New.
3543 (gcc_type_for_value): New.
3544 (gcc_type_for_clast_term): New.
3545 (gcc_type_for_clast_red): New.
3546 (gcc_type_for_clast_bin): New.
3547 (gcc_type_for_clast_expr): Split up into several functions.
3548 (gcc_type_for_clast_eq): Rewritten.
3549 (compute_bounds_for_level): New.
3550 (compute_type_for_level_1): New.
3551 (compute_type_for_level): New.
3552 (gcc_type_for_cloog_iv): Removed.
3553 (gcc_type_for_iv_of_clast_loop): Rewritten.
3554 (graphite_create_new_loop): Compute the lower and upper bound types
3555 with gcc_type_for_clast_expr.
3556 (graphite_create_new_loop_guard): Same.
3557 (find_cloog_iv_in_expr): Removed.
3558 (compute_cloog_iv_types_1): Removed.
3559 (compute_cloog_iv_types): Removed.
3560 (gloog): Do not call compute_cloog_iv_types.
3561 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3563 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3564 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3565 (GBB_CLOOG_IV_TYPES): Removed.
3567 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3569 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3570 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3571 (detect_commutative_reduction): Same.
3573 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3575 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3576 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3578 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3579 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3580 (rewrite_commutative_reductions_out_of_ssa): Same.
3581 * passes.c (execute_function_todo): Call verify_ssa for every pass
3582 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3583 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3584 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3585 with an extra argument.
3586 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3587 verify_ssa only when the extra argument is true.
3588 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3589 with an extra argument.
3590 (tree_transform_and_unroll_loop): Same.
3592 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3594 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3595 for all the passes of the LNO having LOOP_CLOSED_SSA.
3596 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3597 * tree-loop-distribution.c (pass_loop_distribution): Same.
3598 * tree-pass.h (TODO_verify_loops): Removed.
3599 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3601 (pass_tree_unswitch): Same.
3602 (pass_predcom): Same.
3603 (pass_vectorize): Same.
3604 (pass_linear_transform): Same.
3605 (pass_graphite_transforms): Same.
3606 (pass_iv_canon): Same.
3607 (pass_complete_unroll): Same.
3608 (pass_complete_unrolli): Same.
3609 (pass_parallelize_loops): Same.
3610 (pass_loop_prefetch): Same.
3611 (pass_iv_optimize): Same.
3613 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3616 * passes.c (init_optimization_passes): Move pass_lim before
3617 pass_copy_prop and pass_dce_loop.
3619 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3622 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3623 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3624 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3625 MULTI_* defines for 4 argument vpermil2p* builtins.
3627 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3629 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3630 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3631 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3632 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3633 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3634 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3635 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3636 Use x86_maybe_negate_const_int to output insn mnemonic.
3637 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3638 check from instruction predicate. Update comments.
3639 * config/i386/sync.md (sync_add<mode>): Use
3640 x86_maybe_negate_const_int to output insn mnemonic.
3642 2010-04-06 Jan Hubicka <jh@suse.cz>
3644 PR tree-optimization/42906
3645 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3646 IGNORE_SELF argument. Set visited_control_parents for fully
3648 (find_obviously_necessary_stmts): Update call of
3649 mark_control_dependent_edges_necessary.
3650 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3652 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3654 * config/i386/i386.md: Remove comment about 'e' and 'E'
3657 2010-04-06 Richard Guenther <rguenther@suse.de>
3659 PR tree-optimization/43627
3660 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3661 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3664 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3666 * BASE-VER: Change to 4.6.0.
3669 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3672 2010-04-06 Richard Guenther <rguenther@suse.de>
3675 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3677 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3679 * doc/invoke.texi (Optimize Options): Document that LTO
3680 won't remove object access purely due to incompatible
3683 2010-04-04 Matthias Klose <doko@ubuntu.com>
3685 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3686 Initialize variable.
3688 2010-04-03 Richard Guenther <rguenther@suse.de>
3691 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3692 require a non-NULL MEM_OFFSET.
3694 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3696 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3697 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3698 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3699 config/alpha/predicates.md, config/arm/arm.md,
3700 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3701 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3702 config/darwin9.h, config/darwin.c, config/darwin.h,
3703 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3704 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3705 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3706 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3707 config/mips/mips.md, config/mn10300/mn10300.c,
3708 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3709 config/rs6000/aix.h, config/rs6000/dfp.md,
3710 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3711 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3712 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3713 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3714 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3715 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3716 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3717 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3718 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3719 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3720 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3721 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3722 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3723 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3724 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3725 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3726 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3727 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3728 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3729 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3730 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3731 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3732 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3733 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3734 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3735 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3736 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3737 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3738 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3739 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3740 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3741 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3742 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3743 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3744 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3745 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3747 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3750 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3751 * aclocal.m4: Regenerate.
3753 2010-04-02 Richard Guenther <rguenther@suse.de>
3755 PR tree-optimization/43629
3756 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3757 if we have seen a constant value.
3759 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3761 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3763 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3766 * arm.c (legitimize_tls_address): Adjust call to
3767 gen_tls_load_dot_plus_four.
3768 (arm_note_pic_base): New function.
3769 (arm_cannot_copy_insn_p): Use it.
3770 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3773 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3778 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3780 * Makefile.in ($(out_object_file)): Depend on
3781 gt-$(basename $(notdir $(out_file))).h.
3783 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3785 * config.gcc (lm32-*-rtems*): Add t-lm32.
3787 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3789 * config.gcc: Add lm32-*-rtems*.
3790 * config/lm32/rtems.h: New file.
3792 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3795 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3797 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3799 * dwarf2out.c (output_compilation_unit_header): For
3800 -gdwarf-4 use version 4 instead of version 3.
3801 (output_line_info): For version 4 and above emit additional
3802 maximum ops per insn header field.
3803 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3805 * dwarf2out.c (is_c_family, is_java): Remove.
3806 (lower_bound_default): New function.
3807 (add_bound_info, gen_descr_array_type_die): Use it.
3809 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3812 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3813 re-declaration when it happens in a function.
3815 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3817 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3818 (cgraph_remove_function_insertion_hook): Same.
3819 (cgraph_call_function_insertion_hooks): Same.
3821 2010-04-01 Richard Guenther <rguenther@suse.de>
3824 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3825 and TREE_THIS_VOLATILE.
3826 (copy_ref_info): Likewise.
3827 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3828 * tree.c (build6_stat): Ignore side-effects of all but arg5
3829 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3832 2010-04-01 Richard Guenther <rguenther@suse.de>
3834 PR tree-optimization/43607
3835 * ipa-type-escape.c (check_call): Do not access non-existing
3838 2010-04-01 Richard Guenther <rguenther@suse.de>
3842 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3843 Jack Howarth <howarth@bromo.med.uc.edu>
3845 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3848 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3850 * doc/install.texi (Prerequisites): Document libelf usability on
3851 IRIX 5/6 and Solaris 2.
3852 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3853 Update GNU as, GNU ld requirements.
3854 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3855 Document Sun Studio compiler download.
3856 Update and simplify as, ld recommendations.
3857 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3859 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3861 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3862 with_tune_32 to pentium4.
3864 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3866 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3868 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3870 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3871 obsoletion, removal.
3873 Document GNU as requirement.
3874 Update configure requirements.
3875 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3876 Recomment IRIX 6.5.18+.
3877 Document IDF/IDL requirement.
3878 Document GNU as requirement.
3879 Document GNU ld bootstrap failure.
3880 Remove freeware.sgi.com reference.
3882 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3884 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3885 UNIX V4.0, V5.0 obsoletion, removal.
3886 Remove --with-gc=simple reference.
3887 Update VM requirements during bootstrap.
3888 Remove -oldas bootstrap description.
3889 Update binutils reference.
3890 Remove comparison failure note.
3892 2010-03-31 Richard Guenther <rguenther@suse.de>
3893 Zdenek Dvorak <ook@ucw.cz>
3894 Sebastian Pop <sebastian.pop@amd.com>
3897 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3898 with multiple arguments.
3899 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3901 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3903 * graphite-dependences.c (print_pddr): Call print_pdr with an
3905 * graphite-poly.c (debug_pdr): Add an extra argument for the
3908 (print_pbb_domain): Same.
3910 (print_scop_context): Same.
3912 (print_cloog): Same.
3913 (debug_pbb_domain): Same.
3917 (debug_scop_context): Same.
3919 (debug_cloog): Same.
3920 (print_scop_params): Same.
3921 (debug_scop_params): Same.
3922 (print_iteration_domain): Same.
3923 (print_iteration_domains): Same.
3924 (debug_iteration_domain): Same.
3925 (debug_iteration_domains): Same.
3926 (print_scattering_function): Same.
3927 (print_scattering_functions): Same.
3928 (debug_scattering_function): Same.
3929 (debug_scattering_functions): Same.
3930 * graphite-poly.h (debug_pdr): Update declaration.
3932 (print_pbb_domain): Same.
3934 (print_scop_context): Same.
3936 (print_cloog): Same.
3937 (debug_pbb_domain): Same.
3941 (debug_scop_context): Same.
3943 (debug_cloog): Same.
3944 (print_scop_params): Same.
3945 (debug_scop_params): Same.
3946 (print_iteration_domain): Same.
3947 (print_iteration_domains): Same.
3948 (debug_iteration_domain): Same.
3949 (debug_iteration_domains): Same.
3950 (print_scattering_function): Same.
3951 (print_scattering_functions): Same.
3952 (debug_scattering_function): Same.
3953 (debug_scattering_functions): Same.
3955 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3957 * graphite-poly.c (print_scattering_function_1): New.
3958 (print_scattering_function): Call it.
3959 (print_scop_params): Remove spaces at the end of lines.
3962 * graphite-poly.h (print_cloog): Declared.
3963 (debug_cloog): Declared.
3965 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3967 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3969 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3970 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3971 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3972 to switch between adding the IV bump in loop->latch or in loop->header.
3974 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3976 * graphite-poly.c (print_scattering_function): Pretty print following
3979 (print_pbb_domain): Same.
3980 (dump_gbb_cases): Same.
3981 (dump_gbb_conditions): Same.
3984 (print_scop_params): Same.
3985 (print_scop_context): Same.
3987 (print_pbb_body): New.
3988 (lst_indent_to): New.
3989 (print_lst): Start new lines with a #.
3990 * graphite-poly.h (pbb_bb): New.
3991 (pbb_index): Use pbb_bb.
3992 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3994 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3996 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3998 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3999 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
4000 and 0 instead of 1 for dw_val_class_flag.
4001 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
4002 dw_val_class_range_list, dw_val_class_loc_list,
4003 dw_val_class_lineptr and dw_val_class_macptr, use
4004 DW_FORM_flag_present for dw_val_class_flag and
4005 DW_FORM_exprloc for dw_val_class_loc.
4006 (output_die): For -gdwarf-4 print dw_val_class_loc
4007 size as uleb128 instead of 1 or 2 bytes and don't print
4008 anything for dw_val_class_flag.
4010 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
4011 instead of cselib_lookup following by tweaking locs->setting_insn.
4014 * cselib.c (cselib_process_insn): Clear cselib_current_insn
4015 even before returning from label, setjmp call or volatile asm
4018 2010-03-31 Richard Guenther <rguenther@suse.de>
4021 * cgraphunit.c (cgraph_output_in_order): Do not allocate
4022 temporary data on stack.
4024 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4026 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
4027 (PUSHSECTION_ASM_OP): Remove.
4028 (POPSECTION_ASM_OP): Remove.
4029 (PUSHSECTION_FORMAT): Remove.
4030 * config/sol2.h (PUSHSECTION_FORMAT): Define.
4031 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
4032 * config/sol2.c (solaris_output_init_fini): Use it.
4034 2010-03-31 Jie Zhang <jie@codesourcery.com>
4037 * opt-functions.awk (var_type_struct): Use signed char type
4038 for simple variables.
4040 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4042 * config/sol2.c: Include output.h.
4043 (solaris_assemble_visibility): New function.
4044 * config/t-sol2 (sol2.o): Add output.h dependency.
4045 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4046 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4049 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4052 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4053 V2SImode or XFmode on PRE_DEC.
4056 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4059 2010-03-31 Jie Zhang <jie@codesourcery.com>
4062 * reload.h (caller_save_initialized_p): Declare.
4063 * toplev.c (backend_init_target): Don't call
4064 init_caller_save but set caller_save_initialized_p to false.
4065 * caller-save.c (caller_save_initialized_p): Define.
4066 (init_caller_save): Check caller_save_initialized_p.
4067 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4069 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4072 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4073 and soft-fp/t-softfp to tmake_file.
4074 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4075 (LIBGCC2_TF_CEXT): Define.
4078 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4081 * cselib.c (n_useless_values): Document handling of debug locs.
4082 (n_useless_debug_values, n_debug_values): New variables.
4083 (new_elt_loc_list): Don't add to debug values, keep count.
4084 (promote_debug_loc): New.
4085 (cselib_reset_table): Zero new variables.
4086 (entry_and_rtx_equal_p): Promote debug locs.
4087 (discard_useless_locs): Increment n_useless_debug_values for
4089 (remove_useless_values): Adjust n_useless_values and n_debug_values
4090 with n_useless_debug_values.
4091 (add_mem_for_addr): Promote debug locs.
4092 (cselib_lookup_mem): Likewise.
4093 (cselib_lookup_addr): Renamed to...
4094 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4095 (cselib_log_lookup): ... this. Turn into...
4096 (cselib_lookup_addr): ... new wrapper.
4097 (cselib_lookup_from_insn): New.
4098 (cselib_invalidate_regno): Increment n_useless_debug_values for
4100 (cselib_invalidate_mem): Likewise.
4101 (cselib_process_insn): Take n_deleted and n_debug_values into
4102 account to guard remove_useless_value call.
4103 (cselib_finish): Zero n_useless_debug_values.
4104 * cselib.h (cselib_lookup_from_insn): Declare.
4105 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4106 (sched_analyze_2): Likewise.
4108 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4110 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4112 (adjust_mems): Replace narrowing SUBREG of expression containing
4113 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4114 with operations in the narrower mode.
4117 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4118 regs_invalidated_by_call instead all call_used_reg_set registers.
4120 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4123 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4124 pointer comparisons with types_compatible_p.
4125 * tree-vect-stmts.c (vectorizable_call): Same.
4126 (vectorizable_condition): Same.
4128 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4130 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4131 stack check if the mask would be zero.
4133 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4134 Jack Howarth <howarth@bromo.med.uc.edu>
4136 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4139 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4142 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4144 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4145 Include ___unordxf2 and ___unordtf2.
4146 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4149 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4151 * config/lm32/t-lm32: New file.
4152 * config.gcc: Use the above file when targetting lm32.
4154 2010-03-28 Duncan Sands <baldrick@free.fr>
4156 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4158 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4161 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4162 Improve vectorization cost model diagnostic.
4164 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4167 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4168 compute_data_dependences_for_loop returns false, early exit
4169 and output an extra diagnostic for the failed data reference
4172 2010-03-29 Richard Guenther <rguenther@suse.de>
4174 PR tree-optimization/43560
4175 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4176 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4178 2010-03-29 Jie Zhang <jie@codesourcery.com>
4181 * toplev.c (process_options): Set optimization_default_node
4182 and optimization_current_node.
4183 * opts.c (decode_options): Don't set optimization_default_node
4184 and optimization_current_node.
4186 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4188 * config/rtems.h: Abandon -qrtems_debug.
4190 2010-03-28 Jan Hubicka <jh@suse.cz>
4192 PR tree-optimization/43505
4193 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4194 map should not be copied.
4196 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4199 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4200 cdtors, set DECL_PRESERVE_P.
4201 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4204 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4206 PR tree-optimization/43528
4207 * stor-layout.c (place_field): Check that constant fits into
4208 unsigned HWI when skipping calculation of MS bitfield layout.
4210 2010-03-27 Jan Hubicka <jh@suse.cz>
4213 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4214 notice_global_symbol work.
4216 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4218 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4219 instead of dwarf2out_decl.
4220 (struct var_loc_node): Remove section_label field.
4221 (dwarf2out_function_decl): New function.
4222 (dwarf2out_var_location): Don't set section_label field.
4223 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4225 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4227 PR tree-optimization/43544
4228 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4229 First argument for builtin vectorized function hook is now a
4230 tree to be able to distinguish between machine specific and
4232 * targhooks.c (default_builtin_vectorized_function): Ditto.
4233 * targhooks.h (default_builtin_vectorized_function): Ditto.
4234 * target.h (struct gcc_target): Ditto.
4235 * tree-vect-stmts.c (vectorizable_function): Ditto.
4236 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4237 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4240 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4243 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4244 nested binding iff it is a FUNCTION_DECL.
4245 (store_parm_decls_newstyle): Pass nested=true to bind for
4246 FUNCTION_DECLs amongst parameters.
4248 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4250 * var-tracking.c (vt_expand_loc_callback): Don't run
4251 cselib_expand_value_rtx_cb in dummy mode if
4252 cselib_dummy_expand_value_rtx_cb returned false.
4254 * var-tracking.c (emit_note_insn_var_location): For one part
4255 notes with offset 0, don't add EXPR_LIST around the location.
4256 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4257 add_location_or_const_value_attribute): Adjust for that change.
4260 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4261 into first operand and location into second.
4262 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4263 dw_cfi_oprnd_loc for DW_CFA_expression.
4264 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4265 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4266 assume first argument is regnum and second argument is location.
4268 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4271 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4272 of scratch register to DImode. Split to DImode comparison operator.
4273 Use SImode subreg of scratch register in the multiplication.
4274 (*cmp_sadd_sidi): Ditto.
4275 (*cmp_ssub_si): Ditto.
4276 (*cmp_ssub_sidi): Ditto.
4278 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4281 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4282 Remove invalid assert and wrong comment.
4284 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4287 * flags.h (final_insns_dump_p): New extern.
4288 * final.c (final_insns_dump_p): New variable.
4289 (rest_of_clean_state): Set it before -fdump-final-insns=
4290 dumping, clear afterwards.
4291 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4292 MEM_ALIAS_SET on MEMs.
4294 2010-03-26 David S. Miller <davem@davemloft.net>
4296 * configure.ac: Fix sparc GOTDATA_OP bug check.
4297 * configure: Rebuild.
4299 2010-03-26 Alan Modra <amodra@gmail.com>
4301 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4303 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4305 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4306 TLS_SECTION_ASM_FLAG.
4308 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4311 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4312 Clear first_function_block_is_cold.
4315 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4316 argument if the argument is truth_value_p.
4318 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4320 * config/rs6000/constraints.md: Update copyright year for my changes.
4323 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4324 used in reg+reg addressing, swap registers.
4326 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4329 * target.h (struct gcc_target): Add code_end hook.
4330 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4332 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4333 * toplev.c (compile_file): Call targetm.asm_out.code_end
4334 hook before unwind info/debug info output.
4335 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4336 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4337 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4338 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4339 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4340 * config/i386/i386.c (ix86_file_end): Renamed to...
4341 (ix86_code_end): ... this. Make static. Don't call
4342 file_end_indicate_exec_stack. Emit unwind info using
4343 final_start_function/final_end_function.
4344 (darwin_x86_file_end): Remove.
4345 (TARGET_ASM_CODE_END): Define.
4346 * config/i386/i386.h (TARGET_ASM_FILE_END,
4347 NEED_INDICATE_EXEC_STACK): Don't define.
4348 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4349 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4350 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4351 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4354 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4355 at the beginning and final_end_function at the end.
4356 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4358 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4360 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4361 and Sun as TLS syntax.
4362 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4363 * configure: Regenerate.
4364 * config.in: Regenerate.
4365 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4366 (default_elf_asm_named_section): Use it.
4367 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4368 (i386_output_dwarf_dtprel): Likewise.
4369 (output_addr_const_extra): Likewise.
4370 (output_pic_addr_const): Lowercase @GOTTPOFF.
4371 (output_addr_const_extra): Likewise.
4372 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4373 (output_addr_const_extra): Likewise.
4374 (output_pic_addr_const): Lowercase @INDNTPOFF.
4375 (output_addr_const_extra): Likewise.
4376 (output_pic_addr_const): Lowercase @NTPOFF.
4377 (output_addr_const_extra): Likewise.
4378 (output_pic_addr_const): Lowercase @TPOFF.
4379 (output_addr_const_extra): Likewise.
4380 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4381 (*tls_global_dynamic_64): Likewise.
4382 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4383 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4385 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4386 (ASM_OUTPUT_TLS_COMMON): Use it.
4387 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4390 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4391 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4392 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4393 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4394 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4395 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4397 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4399 * config/i386/i386.c (override_options): Don't accept
4400 -mtls-dialect=sun any longer.
4401 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4402 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4403 (*tls_local_dynamic_base_32_sun): Likewise.
4404 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4406 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4409 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4410 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4413 * ira.c (adjust_cleared_regs): New function.
4414 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4418 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4420 * expr.c (expand_expr_real): Restore previous
4421 curr_insn_source_location and curr_insn_block after
4422 expand_expr_real_1 call.
4423 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4424 instead of expand_expr_real_1.
4426 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4428 PR rtl-optimization/43413
4429 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4432 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4435 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4436 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4438 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4440 * config/i386/i386.c (ix86_target_string): Add -mfma.
4441 Fix a typo in comment.
4443 2010-03-22 Mike Stump <mikestump@comcast.net>
4446 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4447 Don't overly align based upon packed packed fields.
4449 2010-03-22 Jason Merrill <jason@redhat.com>
4451 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4452 Use () rather than [], and move before the element type.
4454 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4456 * doc/configfiles.texi (Configuration Files): Removed
4457 fixinc/Makefile*, intl/Makefile.*.
4458 * doc/makefile.texi: Fixed markup. Abstract from version
4459 control system used.
4460 (Makefile): Removed obsolete gcc/java/parse.y example.
4461 * doc/sourcebuild.texi: Likewise.
4462 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4463 libgomp, libssp. Removed fastjar.
4464 (Miscellaneous Docs): Clarify location.
4465 Added COPYING3, COPYING3.LIB.
4466 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4468 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4471 * config/i386/i386.c (x86_function_profiler)
4472 [!NO_PROFILE_COUNTERS]: Fix typo.
4473 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4476 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4477 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4479 * doc/sourcebuild.texi (Test Directives): Split into six
4480 subsections, with most of the current text in new subsections
4481 Directives, Selectors, and Final Actions.
4482 (Directives): Split list of test directives into multiple
4484 (Selectors): Describe use and syntax of selectors.
4485 (Effective-Target Keywords): Describe all existing keywords.
4486 (Add Options): Describe features for dg-add-options.
4487 (Require Support): Describe variants of dg-require-support.
4488 (Final Actions): Describe commands to use in dg-final.
4490 2010-03-22 Michael Matz <matz@suse.de>
4493 * recog.c (validate_replace_rtx_group): Replace also in
4494 REG_EQUAL and REG_EQUIV notes.
4496 2010-03-22 Richard Guenther <rguenther@suse.de>
4498 PR tree-optimization/43390
4499 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4500 sure vector extracts are type correct.
4502 2010-03-22 Richard Guenther <rguenther@suse.de>
4505 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4506 x * sqrt (x) even when optimizing for size if the target
4507 has native support for sqrt.
4509 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4511 * varasm.c (make_decl_rtl_for_debug): Also clear
4512 flag_mudflap for the duration of make_decl_rtl call.
4515 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4516 locs from preserved VALUEs.
4518 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4521 * pa.md (movmemsi): Set align to one if zero.
4522 (movmemdi): Likewise.
4524 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4527 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4528 with their corresponding prologue pushes.
4530 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4533 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4534 at the begining or end.
4535 (spu_expand_epilogue): Likewise.
4537 2010-03-20 Richard Guenther <rguenther@suse.de>
4539 PR rtl-optimization/43438
4540 * combine.c (make_extraction): Properly zero-/sign-extend an
4541 extraction of the low part of a CONST_INT. Also handle
4544 2010-03-19 Mike Stump <mikestump@comcast.net>
4546 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4547 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4548 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4550 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4553 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4556 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4558 PR rtl-optimization/42258
4559 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4560 use that may match DEF.
4563 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4564 the cost of loading the constant rather than assuming
4566 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4567 outer code is AND, do the same tests as the andsi3 expander and
4568 return COSTS_N_INSNS (1) if and is cheap.
4570 * optabs.c (avoid_expensive_constant): Fix formatting.
4572 2010-03-19 Michael Matz <matz@suse.de>
4575 * attribs.c (decl_attributes): When rebuilding a function pointer
4576 type use the same qualifiers as the original pointer type.
4578 2010-03-19 Martin Jambor <mjambor@suse.cz>
4580 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4581 and is_gimple_ip_invariant_address.
4583 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4586 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4588 * config/arm/arm.c (arm_override_options): Turn off
4589 flag_dwarf2_cfi_asm for AAPCS variants.
4591 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4594 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4595 Use PRE_MODIFY instead of PRE_DEC.
4596 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4597 (vfp_emit_fstmd): Likewise.
4599 2010-03-19 Michael Matz <matz@suse.de>
4602 * builtins.c (expand_builtin_interclass_mathfn,
4603 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4606 2010-03-19 Richard Guenther <rguenther@suse.de>
4608 PR tree-optimization/43415
4609 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4610 (phi_translate_1): ... this.
4611 (phi_translate): Move all caching here. Cache all NARY
4612 and REFERENCE translations.
4614 2010-03-19 David S. Miller <davem@davemloft.net>
4616 With help from Eric Botcazou.
4617 * config/sparc/sparc.c: Include dwarf2out.h.
4618 (emit_pic_helper): Delete.
4619 (pic_helper_symbol_name): Delete.
4620 (pic_helper_emitted_p): Delete.
4621 (pic_helper_needed): New.
4622 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4623 (get_pc_thunk_name): New.
4624 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4625 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4626 Set pic_helper_needed to true. Don't call emit_pic_helper.
4627 (sparc_expand_prologue): Update load_pic_register call.
4628 (sparc_output_mi_thunk): Likewise.
4629 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4630 thunk if possible. Output CFI information as needed.
4632 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4633 Jack Howarth <howarth@bromo.med.uc.edu>
4636 * config/i386/i386.h: Fix ABI on darwin x86-32.
4638 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4640 * tree.h: Declare make_decl_rtl_for_debug.
4641 * varasm.c (make_decl_rtl_for_debug): New.
4642 * dwarf2out.c (rtl_for_decl_location): Call it.
4643 * cfgexpand.c (expand_debug_expr): Call it.
4645 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4648 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4652 * var-tracking.c (vt_init_cfa_base): Do nothing if
4653 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4655 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4658 * var-tracking.c (canonicalize_vars_star): New.
4659 (dataflow_post_merge_adjust): Use it.
4661 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4664 * var-tracking.c (non_suitable_const): New function.
4665 (add_uses): For DEBUG_INSNs with constants, don't record any
4666 value, instead just the constant value itself.
4667 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4668 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4669 (emit_notes_in_bb): Likewise.
4670 (emit_note_insn_var_location): For onepart variables if
4671 cur_loc is a VOIDmode constant, use DECL_MODE.
4673 2010-03-18 Martin Jambor <mjambor@suse.cz>
4676 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4677 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4678 all non-clones. Moved call redirection...
4679 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4680 (cgraph_materialize_all_clones): Dispose of all
4681 combined_args_to_skip bitmaps.
4682 (verify_cgraph_node): Do not check for edges pointing to wrong
4683 nodes in inline clones.
4684 * tree-inline.c (copy_bb): Call
4685 cgraph_redirect_edge_call_stmt_to_callee.
4686 * ipa.c (cgraph_remove_unreachable_nodes): Call
4687 cgraph_node_remove_callees even when there are used clones.
4689 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4691 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4693 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4696 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4699 2010-03-18 Michael Matz <matz@suse.de>
4702 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4703 into sqrt(x) if we need to preserve signed zeros.
4705 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4706 Eric Botcazou <ebotcazou@adacore.com>
4708 PR rtl-optimization/43360
4709 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4710 note if we don't know its invariant status.
4712 2010-03-18 Michael Matz <matz@suse.de>
4714 PR tree-optimization/43402
4715 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4716 PHI chains of ssa names registered for update.
4718 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4721 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4722 non-offsettable and pre_modify update addressing.
4723 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4724 and "2" alternatives "#".
4725 (*movdd_softfloat32): Make all alternatives "#";
4726 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4727 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4728 (*movdf_softfloat32): Make all alternatives "#";
4729 (movdi): Use the new DIFD mode iterator to create a common splitter
4730 for movdi, movdf and movdd patterns.
4732 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4734 * common.opt (dumpdir): Remove redundant tab.
4736 2010-03-17 Martin Jambor <mjambor@suse.cz>
4738 PR tree-optimization/43347
4739 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4740 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4742 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4744 PR rtl-optimization/42216
4745 * regrename.c (create_new_chain): New function, broken out from...
4746 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4747 appending a use to an empty chain.
4748 (build_def_use): Remove previous changes that convert OP_INOUT to
4749 OP_OUT operands; instead detect the case where an OP_INOUT operand
4750 uses a previously untracked register and create an empty chain for it.
4752 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4754 * doc/extend.texi (Function Attributes): Rewrite unfinished
4755 sentence in ms_abi documentation.
4757 2010-03-17 Alan Modra <amodra@gmail.com>
4759 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4760 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4761 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4762 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4764 2010-03-16 Richard Henderson <rth@redhat.com>
4767 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4768 (lower_try_finally): Save and restore eh_seq around the expansion
4771 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4773 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4774 statements before splitting block.
4776 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4778 * doc/sourcebuild.texi (Testsuites): Fix markup.
4779 Use pathnames relative to gcc/testsuite.
4780 (Test Directives): Move description of how timeout is determined.
4781 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4782 (C Tests): Correct gcc.misc-tests directory.
4783 Framework tests now live in gcc.test-framework.
4785 2010-03-16 Richard Guenther <rguenther@suse.de>
4788 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4789 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4791 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4792 Alexandre Oliva <aoliva@redhat.com>
4794 PR tree-optimization/42917
4795 * lambda-code.c (remove_iv): Skip debug statements.
4796 (lambda_loopnest_to_gcc_loopnest): Likewise.
4797 (not_interesting_stmt): Debug statements are not interesting.
4799 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4803 * cselib.c (cselib_preserve_constants,
4804 cfa_base_preserved_val): New static variables.
4805 (preserve_only_constants): New function.
4806 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4807 clear its REG_VALUES. If cselib_preserve_constants, don't
4808 empty the whole hash table, but preserve there VALUEs with constants,
4809 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4810 (cselib_preserve_cfa_base_value): New function.
4811 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4812 (cselib_init): Change argument to int bitfield. Set
4813 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4815 (cselib_finish): Clear cselib_preserve_constants and
4816 cfa_base_preserved_val.
4817 * cselib.h (enum cselib_record_what): New enum.
4818 (cselib_init): Change argument to int.
4819 (cselib_preserve_cfa_base_value): New prototype.
4820 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4821 * dse.c (dse_step1): Likewise.
4822 * cfgcleanup.c (thread_jump): Likewise.
4823 * sched-deps.c (sched_analyze): Likewise.
4824 * gcse.c (local_cprop_pass): Likewise.
4825 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4826 If FN is non-NULL, call the callback always and whenever it returns
4827 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4828 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4829 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4830 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4831 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4832 * var-tracking.c: Include recog.h.
4833 (bb_stack_adjust_offset): Remove.
4834 (vt_stack_adjustments): Don't call it, instead just gather the
4835 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4836 (adjust_stack_reference): Remove.
4837 (compute_cfa_pointer): New function.
4838 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4839 (struct adjust_mem_data): New type.
4840 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4842 (get_address_mode): New function.
4843 (replace_expr_with_values): Use it.
4844 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4845 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4846 (adjust_sets): Remove.
4847 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4848 Use get_address_mode.
4849 (get_adjusted_src): Remove.
4850 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4851 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4852 (add_with_sets): Don't call adjust_sets.
4853 (fp_setter, vt_init_cfa_base): New functions.
4854 (vt_initialize): Change return type to bool. Move most of pool etc.
4855 initialization to the beginning of the function from end. Pass
4856 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4857 If !frame_pointer_needed, call vt_stack_adjustment before mos
4858 vector is filled, call vt_init_cfa_base if argp/framep has been
4859 eliminated to sp. If frame_pointer_needed and argp/framep has
4860 been eliminated to hard frame pointer, set
4861 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4862 encountering fp setter in the prologue. For MO_ADJUST, call
4863 log_op_type before pusing the op into mos vector, not afterwards.
4864 Call adjust_insn before cselib_process_insn/add_with_sets,
4865 call cancel_changes (0) afterwards.
4866 (variable_tracking_main_1): Adjust for vt_initialize calling
4867 vt_stack_adjustments and returning whether it succeeded or not.
4869 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4871 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4874 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4876 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4878 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4879 drap_reg has not been set.
4881 2010-03-15 Michael Matz <matz@suse.de>
4884 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4885 use it to expand block copies.
4886 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4887 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4888 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4890 2010-03-15 Richard Guenther <rguenther@suse.de>
4892 PR tree-optimization/43367
4893 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4896 2010-03-15 Richard Guenther <rguenther@suse.de>
4898 PR tree-optimization/43317
4899 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4901 2010-03-15 Martin Jambor <mjambor@suse.cz>
4903 PR tree-optimization/43141
4904 * tree-sra.c (create_abstract_origin): New function.
4905 (modify_function): Call create_abstract_origin.
4907 2010-03-15 Chris Demetriou <cgd@google.com>
4909 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4912 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4915 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4916 call insert_out_of_ssa_copy for default definitions.
4918 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4920 * graphite-clast-to-gimple.c (my_long_long): Defined.
4921 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4922 * graphite-sese-to-poly.c (my_long_long): Defined.
4923 (scop_ivs_can_be_represented): Use it.
4925 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4927 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4928 graphite-max-bbs-per-function, and loop-block-tile-size.
4929 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4931 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4933 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4935 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4936 forward declaration.
4937 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4938 (add_upper_bounds_from_estimated_nit): New.
4939 (build_loop_iteration_domains): Use it.
4941 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4943 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4945 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4948 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4949 should be an INTEGER_CST. Also handle CASE_CONVERT.
4951 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4953 * graphite.c (graphite_initialize): To bound the number of bbs per
4954 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4955 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4956 * doc/invoke.texi: Document it.
4958 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4960 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4961 * graphite-sese-to-poly.h (build_poly_scop): Same.
4963 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4965 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4966 the number of parameters in the scop. Use as an upper bound
4967 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4968 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4969 * doc/invoke.texi: Document it.
4971 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4973 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4974 * doc/c-tree.texi: Remove.
4975 * doc/generic.texi: Merge c-tree.texi here.
4976 * doc/gccint.texi (Trees): Remove menu entry.
4977 (c-tree.texi): Remove @include.
4978 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4979 * doc/languages.texi (Reading RTL): Ditto.
4981 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4984 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4986 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4989 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4990 code added to work around reload clobbering CONST insns.
4992 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4994 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4995 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4996 (cselib_preserve_only_values): Remove retain argument, don't
4997 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4998 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4999 * var-tracking.c (micro_operation): Move insn field before union.
5000 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
5001 (struct variable_tracking_info_def): Remove n_mos field, change
5002 mos into a vector of micro_operations.
5003 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
5004 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
5005 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
5006 changing into a vector.
5007 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
5008 come before all other uops generated by add_stores.
5009 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
5011 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
5012 a vector. Run just one pass over the bbs instead of separate counting
5013 and computation phase.
5014 (vt_finalize): Free VTI (bb)->mos vector instead of array.
5017 * tree-inline.c (remap_decls): Put old_var rather than origin_var
5018 into *nonlocalized_list vector.
5019 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
5020 even if origin is non-NULL.
5021 (gen_variable_die): Likewise.
5022 (process_scope_var): Don't change origin.
5023 (gen_decl_die): Likewise.
5024 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
5025 before adding new edges instead of after it, fix moving over
5028 2010-03-11 David S. Miller <davem@davemloft.net>
5030 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
5032 * configure: Rebuild.
5034 2010-03-11 Martin Jambor <mjambor@suse.cz>
5036 PR tree-optimization/43257
5037 * tree.c (assign_assembler_name_if_neeeded): New function.
5038 (free_lang_data_in_cgraph): Assembler name assignment moved to the
5040 * tree.h (assign_assembler_name_if_neeeded): Declare.
5041 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
5042 the function if needed.
5044 2010-03-11 Chris Demetriou <cgd@google.com>
5046 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5047 include/stdint-gcc.h, and include/stdint.h world-readable.
5049 2010-03-11 Richard Guenther <rguenther@suse.de>
5051 PR tree-optimization/43255
5052 * tree-vrp.c (process_assert_insertions_for): Do not insert
5053 asserts for trivial conditions.
5055 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5057 PR tree-optimization/43280
5058 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5059 generation. Move calculation of size out of the if branch.
5060 (find_bswap): Modify compare number generation.
5062 2010-03-11 Richard Guenther <rguenther@suse.de>
5065 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5066 (input_gimple_stmt): Fixup handled component types during
5067 operand read. Also fix up decls in ADDR_EXPRs.
5069 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5071 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5072 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5074 2010-03-10 Jan Hubicka <jh@suse.cz>
5077 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5078 * varasm.c (get_variable_section): Don't do that here...
5079 (make_decl_rtl): ... and here.
5080 (do_assemble_alias): Produce decl RTL.
5081 (assemble_alias): Likewise.
5083 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5086 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5087 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5089 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5090 (based_loc_descr): Only express drap or vdrap regno based expressions
5091 using DW_OP_fbreg when not optimizing.
5092 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5093 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5094 REG_CFA_SET_VDRAP note.
5096 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5098 PR tree-optimization/43236
5099 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5100 error in calculation of base address in reverse iteration case.
5101 (generate_builtin): Take number of latch executions if the statement
5104 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5107 * tree-eh.c: Include pointer-set.h.
5108 (lower_eh_dispatch): Filter out duplicate case labels and
5109 remove the unneeded edge when the label is unused. Return
5110 true when some edges are removed.
5111 (execute_lower_eh_dispatch): When any lowering resulted in
5112 removing an edge, also delete unreachable blocks.
5114 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5117 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5118 UNSPEC_MACHOPIC_OFFSET.
5120 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5123 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5124 (m68k_delegitimize_address): New function.
5126 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5129 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5132 * var-tracking.c (adjust_sets): New function.
5133 (count_with_sets, add_with_sets): Use it.
5134 (get_adjusted_src): New inline function.
5135 (add_stores): Use it.
5138 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5139 call cselib_dummy_expand_value_rtx_cb instead of
5140 cselib_expand_value_rtx_cb.
5143 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5144 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5145 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5146 and .cfi_endproc around the pic thunks.
5147 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5148 all queued unwind info register saves are saved before the call.
5149 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5150 considered as sp-=4 for unwind info and the pop as sp+=4 which
5151 also clobbers dest, but doesn't actually restore it.
5154 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5155 RTX_FRAME_RELATED_P.
5157 2010-03-09 Jie Zhang <jie@codesourcery.com>
5159 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5160 whitespaces in output template.
5162 2010-03-09 Jie Zhang <jie@codesourcery.com>
5164 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5167 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5169 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5170 builtins.exp in a separate job.
5172 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5174 * graphite-sese-to-poly.c (add_param_constraints): Use
5175 lower_bound_in_type and upper_bound_in_type.
5177 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5179 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5180 instead of unsigned_type_node.
5182 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5183 Reza Yazdani <reza.yazdani@amd.com>
5186 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5187 on pointer type parameters.
5189 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5193 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5194 handle conversions from pointer to integers.
5195 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5196 induction variable, to be able to work with code generated by CLooG.
5197 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5198 (build_poly_scop): Bail out if we cannot codegen a loop.
5200 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5202 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5203 code generation with gloog_error.
5205 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5207 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5208 Call fold_convert on all the returned values.
5209 (expand_scalar_variables_expr): Pass to
5210 expand_scalar_variables_ssa_name the type of the resulting expression.
5212 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5214 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5215 ppl_min_for_le_pointset.
5216 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5217 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5219 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5221 * graphite-dependences.c (map_into_dep_poly): Removed.
5222 (dependence_polyhedron_1): Use combine_context_id_scat.
5224 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5226 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5227 (struct poly_bb): Same.
5228 (combine_context_id_scat): New.
5230 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5233 * sese.c (name_defined_in_loop_p): Return false for default
5236 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5238 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5239 and clean up the logic.
5241 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5243 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5246 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5248 * var-tracking.c (remove_cselib_value_chains): Define only for
5250 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5251 delete_slot_part, emit_notes_for_differences_1): Don't call
5252 remove_cselib_value_chains here.
5253 (set_slot_part, emit_notes_for_differences_2): Don't call
5254 add_cselib_value_chains here.
5255 (preserved_values): New vector.
5256 (preserve_value): New function.
5257 (add_uses, add_stores, vt_add_function_parameters): Use it
5258 instead of cselib_preserve_value.
5259 (changed_values_stack): New vector.
5260 (check_changed_vars_0): New function.
5261 (check_changed_vars_1, check_changed_vars_2): Use it.
5262 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5263 changed_values_stack VALUEs.
5264 (vt_emit_notes): For all preserved_values call
5265 add_cselib_value_chains. If ENABLE_CHECKING call
5266 remove_cselib_value_chains before verifying value_chains is empty.
5267 Initialize and free changed_values_stack.
5268 (vt_initialize): Initialize preserved_values.
5269 (vt_finalize): Free preserved_values.
5271 2010-03-08 Richard Guenther <rguenther@suse.de>
5273 PR tree-optimization/43269
5274 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5277 2010-03-08 Martin Jambor <mjambor@suse.cz>
5279 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5280 (ipa_is_param_called): Removed.
5281 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5282 (ipa_print_node_params): Do not print the called flag.
5283 (ipa_write_node_info): Do not stream the called flag.
5284 (ipa_read_node_info): Likewise.
5286 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5289 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5290 * cselib.c (struct expand_value_data): Add dummy field.
5291 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5293 (cselib_dummy_expand_value_rtx_cb): New function.
5294 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5296 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5297 * var-tracking.c: Include pointer-set.h.
5298 (variable): Change n_var_parts to char from int. Add
5299 cur_loc_changed and in_changed_variables fields.
5300 (variable_canonicalize): Remove.
5301 (shared_var_p): New inline function.
5302 (unshare_variable): Maintain cur_loc_changed and
5303 in_changed_variables fields. If var was in changed_variables,
5304 replace it there with new_var. Just copy cur_loc instead of
5305 resetting it to something else.
5306 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5307 (dataflow_set_union): Don't call variable_canonicalize.
5308 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5309 of their DEBUG_EXPR_TREE_DECLs.
5310 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5311 and in_changed_variables and cur_loc_changed is false.
5312 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5313 and cur_loc_changed. Don't update cur_loc here.
5314 (variable_merge_over_src): Don't call variable_canonicalize.
5315 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5316 removing loc that is equal to cur_loc, clear cur_loc,
5317 set cur_loc_changed and ensure variable_was_changed is called.
5318 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5319 compare pointers in cur_loc check, if it is equal to loc,
5320 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5321 (variable_different_p): Remove compare_current_location argument,
5322 don't compare cur_loc.
5323 (dataflow_set_different_1): Adjust variable_different_p caller.
5324 (variable_was_changed): If dv had some var in changed_variables
5325 already, reset in_changed_variables flag for it and propagate
5326 cur_loc_changed over to the new variable. On empty var
5327 always set cur_loc_changed. Set in_changed_variables on whatever
5328 var is added to changed_variables.
5329 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5330 Use shared_var_p. When removing loc that is equal to cur_loc,
5331 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5332 end, don't set it to something else, just call variable_was_changed.
5333 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5334 loc being removed, clear cur_loc and set cur_loc_changed.
5335 Set cur_loc_changed if all locations have been removed.
5336 (struct expand_loc_callback_data): New type.
5337 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5338 allocated. Always create SUBREGs if simplify_subreg failed.
5339 Prefer to use cur_loc, when that fails and still in
5340 changed_variables (and seen first time) recompute it. Set
5341 cur_loc_changed of variables which had to change cur_loc and
5342 compute elcd->cur_loc_changed if any of the subexpressions used
5343 had to change cur_loc.
5344 (vt_expand_loc): Adjust to pass arguments in
5345 expand_loc_callback_data structure.
5346 (vt_expand_loc_dummy): New function.
5347 (emitted_notes): New variable.
5348 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5349 that weren't used for any other decl in current
5350 emit_notes_for_changes call call vt_expand_loc_dummy to update
5351 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5352 first loc_chain location if NULL before. Always use just
5353 cur_loc instead of first loc_chain location. When cur_loc_changed
5354 is false, when not --enable-checking=rtl just don't emit any note.
5355 When rtl checking, compute the note and assert it is the same
5356 as previous note. Clear cur_loc_changed and in_changed_variables
5357 at the end before removing from changed_variables.
5358 (check_changed_vars_3): New function.
5359 (emit_notes_for_changes): Traverse changed_vars to call
5360 check_changed_vars_3 on each changed var.
5361 (emit_notes_for_differences_1): Clear cur_loc_changed and
5362 in_changed_variables. Recompute cur_loc of new_var.
5363 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5364 (vt_emit_notes): Initialize and destroy emitted_notes.
5366 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5368 PR rtl-optimization/42220
5369 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5370 Use verify_reg_tracked to determine if we should use OP_OUT rather
5372 (build_def_use): If we see an in-out operand for a register that we
5373 know nothing about, treat is an output if possible, fail the block if
5376 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5379 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5382 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5385 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5386 uses of relevant DEFs that are dead outside the loop too.
5388 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5390 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5392 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5394 * var-tracking.c (values_to_unmark): New variable.
5395 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5396 values_to_unmark vector. Moved body to...
5397 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5398 instead queue it into values_to_unmark vector.
5399 (vt_find_locations): Free values_to_unmark vector.
5401 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5403 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5404 (site.exp): Export them when plugins are enabled.
5406 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5409 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5411 (chrec_fold_multiply): Same.
5413 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5416 * c-decl.c (build_compound_literal): Return early if init is
5419 2010-03-04 Martin Jambor <mjambor@suse.cz>
5421 PR tree-optimization/43164
5422 PR tree-optimization/43191
5423 * tree-sra.c (type_consists_of_records_p): Reject records with
5424 zero-size bit-fields at the end.
5426 2010-03-04 Mike Stump <mikestump@comcast.net>
5428 * Makefile.in (TAGS): Remove *.y.
5430 2010-03-04 Richard Guenther <rguenther@suse.de>
5432 PR tree-optimization/40761
5433 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5435 (my_rev_post_order_compute): New function.
5436 (init_pre): Call it.
5438 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5441 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5442 decrease the cost of an IV candidate when the cost is infinite.
5444 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5446 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5447 Use '3DNow!' for the extension of that name, ensure normal space
5449 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5451 2010-03-03 Jeff Law <law@redhat.com>
5453 * PR middle-end/32693
5454 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5455 than gen_rtx_SUBREG.
5456 (extract_bit_field_1): Likewise.
5458 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5460 * doc/sourcebuild.texi (Test directives): Document that arguments
5461 include-opts and exclude-opts are now optional for dg-skip-if,
5462 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5464 2010-03-03 Jason Merrill <jason@redhat.com>
5467 * cgraph.h (varpool_node): Add extra_name field.
5468 * varpool.c (varpool_extra_name_alias): New.
5469 (varpool_assemble_decl): Emit extra name aliases.
5470 (varpool_mark_needed_node): Look past an extra name alias.
5471 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5472 * lto-streamer-in.c (lto_input_tree): Read it.
5473 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5475 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5477 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5478 (sparc*-*-solaris2*): ...this.
5480 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5483 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5484 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5485 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5486 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5489 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5490 fallthrough to default handling, just with want_address 0 instead of 2.
5491 For single element lists, add_AT_loc directly, otherwise create an
5492 artificial variable DIE and stick location list to it.
5495 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5496 (VAL_EXPR_HAS_REVERSE): Define.
5497 (reverse_op): New function.
5498 (add_stores): For reversible operations add an extra MO_VAL_USE.
5500 2010-03-02 Jason Merrill <jason@redhat.com>
5502 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5504 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5506 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5507 (sparc64-*-linux*): Likewise.
5508 (sparc64-*-solaris2*): Include assembler files before linker ones.
5509 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5510 * config/sparc/gas.h: Delete.
5511 * config/sparc/sol2-64.h: Add copyright notice.
5512 * config/sparc/sol2-gas-bi.h: Likewise.
5513 * config/sparc/sol2-gld.h: Likewise.
5514 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5515 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5516 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5517 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5518 (sparc_elf_asm_named_section): Rename into...
5519 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5521 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5523 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5525 2010-03-02 Jeff Law <law@redhat.com>
5528 * reload1.c (rtx_p, substitute_stack): Declare.
5529 (substitute): Record addresses of changed rtxs.
5530 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5531 Restore the original rtx when complete.
5532 (reload): Free subsitute_stack when complete.
5534 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5536 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5537 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5539 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5540 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5541 Torture Tests): Change from subsection to section.
5543 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5544 Steven Bosscher <steven@gcc.gnu.org>
5546 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5549 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5552 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5553 the assignment from the new induction variable to the assignment
5554 of the value from the original loop PHI function.
5556 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5557 Daniel Jacobowitz <dan@codesourcery.com>
5559 * doc/sourcebuild.texi (Test directives): Clarify options to
5562 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5564 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5565 Disable cfi directives unless GCC and gas agree on using read-only
5566 .eh_frame sections for 64-bit.
5567 * configure: Regenerate.
5569 2010-03-01 Richard Guenther <rguenther@suse.de>
5571 PR tree-optimization/43220
5572 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5573 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5575 2010-03-01 Richard Guenther <rguenther@suse.de>
5576 Martin Jambor <mjambor@suse.cz>
5579 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5580 gimplified parameters.
5582 2010-03-01 Christian Bruel <christian.bruel@st.com>
5584 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5586 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5588 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5590 2010-03-01 Richard Guenther <rguenther@suse.de>
5593 * expr.c (expand_assignment): Use the alias-oracle to tell
5594 if the rhs aliases the result decl.
5596 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5599 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5600 to sol_gt_pch_get_address.
5601 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5602 64-bit, SPARC and x86.
5603 (sol_gt_pch_get_address): New function.
5605 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5607 * toplev.h (inform_n, error_n): Declare.
5608 * diagnostic.c (inform_n, error_n): New function.
5610 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5612 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5613 has no rtl yet when processing local_decls, queue it and recheck
5614 if deferred stack allocation hasn't assigned it rtl.
5616 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5618 * config/sh/sh.c (unspec_bbr_uid): New.
5619 (gen_block_redirect): Use it instead of INSN_UID.
5620 (gen_far_branch): Likewise.
5622 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5624 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5625 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5627 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5629 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5630 (Warning Options): -Wno-conversion-null is valid for
5631 Objective-C++ as well.
5632 * doc/tm.texi (Named Address Spaces): Likewise.
5633 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5634 * doc/tree-ssa.texi (Tree SSA): Likewise.
5636 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5639 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5640 by default. Don't set the default arch for
5641 i[34567]86-*-darwin*|x86_64-*-darwin*.
5643 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5646 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5647 default. Set the default 32bit/64bit archs with $with_arch
5648 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5650 2010-02-27 Richard Guenther <rguenther@suse.de>
5652 PR tree-optimization/43186
5653 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5654 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5655 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5656 unroller iterations.
5658 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5660 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5661 required and i[34567]86-*-* targets don't support 64bit ISA.
5663 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5666 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5669 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5671 * config.gcc: Set the default arch at least to Prescott for
5672 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5673 if SSE math is enabled.
5675 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5677 * diagnostic.c (diagnostic_initialize): Update.
5678 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5680 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5681 (diagnostic_inhibit_notes): New.
5682 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5684 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5687 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5688 * doc/standards.texi: Likewise.
5689 * doc/extend.texi: Likewise.
5690 * doc/trouble.texi: Likewise.
5691 * doc/cppopts.texi: Likewise.
5692 * doc/install.texi: Likewise.
5693 * c.opt (std=c90,std=gnu90): New options.
5694 * c-opts.c (c_common_handle_option): Handle them.
5696 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5699 * c-decl.c (undeclared_variable): Use an informative note.
5701 2010-02-26 Richard Guenther <rguenther@suse.de>
5703 PR tree-optimization/43186
5704 * gimple.h (gimple_fold): Remove.
5705 * gimple.c (gimple_fold): Remove. Inline into single user ...
5706 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5707 Try harder for conditions.
5709 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5712 * function.c (used_types_insert): Don't skip through named pointer
5713 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5714 and it is different from the main variant's type.
5716 2010-02-26 Nick Clifton <nickc@redhat.com>
5718 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5720 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5722 * config.gcc: Support --with-fpmath=sse for x86.
5724 * config/i386/ssemath.h: New.
5726 * doc/install.texi (--with-fpmath=sse): Documented.
5728 2010-02-26 Richard Guenther <rguenther@suse.de>
5730 PR tree-optimization/43188
5731 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5732 vector types of over-aligned element type.
5734 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5737 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5738 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5740 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5742 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5744 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5746 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5747 * var-tracking.c: Include diagnostic.h.
5748 (debug_dv): New function.
5749 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5752 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5753 (add_value_chain, add_value_chains, remove_value_chain,
5754 remove_value_chains): Handle DEBUG_EXPRs.
5755 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5758 * regcprop.c (struct queued_debug_insn_change): New type.
5759 (struct value_data_entry): Add debug_insn_changes field.
5760 (struct value_data): Add n_debug_insn_changes field.
5761 (debug_insn_changes_pool): New variable.
5762 (free_debug_insn_changes, apply_debug_insn_changes,
5763 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5764 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5765 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5767 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5769 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5770 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5771 changes, call cprop_find_used_regs via note_stores.
5772 (copyprop_hardreg_forward): When copying vd from predecessor
5773 which has any queued DEBUG_INSN changes, make sure the pointers are
5774 cleared. At the end call df_analyze and then if there are any
5775 DEBUG_INSN changes queued at the end of some basic block for still
5776 live registers, apply them.
5777 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5779 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5781 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5784 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5786 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5787 targets. Set the default with_cpu/with_arch from arch/cpu.
5788 Allow x86-64 and native for with_cpu/with_arch.
5790 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5792 * ebitmap.c: Change calls to verify_popcount with calls to
5793 sbitmap_verify_popcount.
5794 (ebitmap_clear_bit): Fixed map->cacheindex test and
5795 map>cache update when bit clearing results in an empty
5798 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5801 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5802 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5803 and support both V2DF and V2DI modes.
5804 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5805 support both V2DF and V2DI modes.
5806 (general): Delete trailing whitespace from a few patterns.
5808 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5809 V2DF/V2DI interleave high/low builtins.
5811 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5814 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5815 interleave high/low functions.
5817 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5819 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5820 #pragma extern_prefix.
5822 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5825 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5826 BLKmode, assert op0 is a MEM and just adjust its mode.
5829 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5830 if bitpos isn't multiple of mode's bitsize.
5832 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5834 * c.opt (-ftemplate-depth=): New.
5835 (-ftemplate-depth-): Deprecate.
5836 * optc-gen.awk: Handle -ftemplate-depth=.
5837 * opth-gen.awk: Likewise.
5838 * c-opts.c (c_common_handle_option): Likewise.
5839 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5841 2010-02-24 Jason Merrill <jason@redhat.com>
5843 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5845 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5847 * cfg.c (alloc_aux_for_block): Remove inline.
5848 (alloc_aux_for_edge): Likewise.
5850 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5852 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5854 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5856 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5857 * config/i386/sol2-gas.h: New file.
5858 * config.gcc (i[34567]86-*-solaris2*): Use it.
5860 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5863 * c-typeck.c (ep_convert_and_check): New.
5864 (build_conditional_expr): Use it.
5865 (build_binary_op): Likewise.
5867 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5869 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5872 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5873 bounds even for -O+.
5874 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5875 expr needs to have DECL_NAME set.
5877 2010-02-24 Nick Clifton <nickc@redhat.com>
5879 * config/mep/mep.c: Include gimple.h.
5880 (mep_function_uses_sp): Delete unused function.
5881 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5882 parameters. Use unsigned integers to count args. Return a
5883 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5885 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5888 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5889 greater or equal to nelt instead of 2 * nelt.
5890 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5893 2010-02-23 Jason Merrill <jason@redhat.com>
5896 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5897 in cfun->local_decls even if they have register types.
5900 * stor-layout.c (place_field): Don't warn about unnecessary
5901 DECL_PACKED if the type is packed.
5903 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5906 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5907 GOTOFF relocs, even when the base reg isn't pic pointer.
5909 2010-02-23 Michael Matz <matz@suse.de>
5912 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5913 (expand_gimple_basic_block): Generate and use debug temps if there
5914 are debug uses left after the last real use of TERed ssa names.
5915 Unlink debug immediate uses when they are expanded.
5917 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5920 * config/i386/i386.c (override_options): Reorganise to provide
5921 better error messages.
5923 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5926 * graphite-scop-detection.c (create_single_exit_edge): Move
5927 the call to find_single_exit_edge to....
5928 (create_sese_edges): ...here. Don't handle multiple edges
5929 exiting the function.
5930 (build_graphite_scops): Don't handle multiple edges
5931 exiting the function.
5933 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5936 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5937 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5939 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5942 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5944 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5947 * c-typeck.c (convert_arguments): Print declaration location.
5948 * c-common.c (validate_nargs): Rename as
5949 builtin_function_validate_nargs.
5950 (check_builtin_function_arguments): Update.
5952 2010-02-22 Richard Guenther <rguenther@suse.de>
5955 * tree-inline.c (declare_return_variable): Use the type of
5956 the call stmt lhs if available.
5958 2010-02-22 Duncan Sands <baldrick@free.fr>
5960 * passes.c (register_pass): Always consider all pass lists when
5961 ref_pass_instance_number is zero.
5963 2010-02-22 Richard Guenther <rguenther@suse.de>
5965 PR tree-optimization/42749
5966 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5967 parameter. Do arithmetic in the original type.
5968 (update_accumulator_with_ops): Likewise.
5969 (adjust_accumulator_values): Adjust.
5971 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5973 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5974 (QI to BLKmode splitter): New splitter.
5976 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5978 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5979 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5981 2010-02-22 Richard Guenther <rguenther@suse.de>
5983 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5985 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5987 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5988 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5989 ($(T)crti.o, $(T)crtn.o): Remove rules.
5991 2010-02-21 Tobias Burnus <burnus@net-b.de>
5994 * doc/invoke.texi (-fassociative-math): Document that this
5995 option is automatically enabled for Fortran.
5997 2010-02-20 David S. Miller <davem@davemloft.net>
5999 * configure.ac: Test if linker and assembler properly support
6000 GOTDATA_OP relocations.
6001 * configure: Rebuild.
6002 * config.in: Likewise.
6003 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
6004 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
6005 (movsi_high_pic): Likewise.
6006 (movdi_lo_sum_pic): Likewise.
6007 (movdi_high_pic): Likewise.
6008 (movsi_pic_gotdata_op): New pattern.
6009 (movdi_pic_gotdata_op): Likewise.
6010 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
6011 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
6013 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
6016 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
6017 attribute to ssemul.
6018 (xop_mulv2div2di3_high): Ditto.
6020 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6023 * c.opt (Wconversion-null): New option.
6024 * doc/invoke.texi (Wconversion-null): Document.
6026 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6028 * common.opt (Wlarger-than-): Add Undocumented.
6030 2010-02-19 Mike Stump <mikestump@comcast.net>
6032 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
6034 2010-02-19 Jason Merrill <jason@redhat.com>
6037 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
6038 * configure: Likewise.
6040 2010-02-20 Alan Modra <amodra@gmail.com>
6043 * cgraph.h (cgraph_make_decl_local): Declare.
6044 * cgraph.c (cgraph_make_decl_local): New function.
6045 (cgraph_make_node_local): Use it.
6046 * cgraphunit.c (cgraph_function_versioning): Likewise.
6047 * ipa.c (function_and_variable_visibility): Likewise.
6049 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6052 * except.c (sjlj_emit_function_enter): Don't call
6053 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6055 * rtl.h (add_reg_br_prob_note): Remove prototype.
6057 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6060 * c-common.c (conversion_warning): Remove widening conversions
6061 before checking the conversion of integers to reals.
6063 2010-02-19 Mike Stump <mikestump@comcast.net>
6066 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6069 * cgraphunit.c (process_function_and_variable_attributes): Check
6070 DECL_PRESERVE_P instead of looking up attribute "used".
6071 * ipa-pure-const.c (check_decl): Likewise.
6072 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6073 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6074 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6075 instead of attribute "used".
6076 * config/sol2-c.c (solaris_pragma_init): Likewise.
6077 (solaris_pragma_fini): Likewise.
6079 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6081 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6082 Use XCNEW instead of xcalloc.
6083 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6084 XNEW instead of xmalloc.
6085 (get_fields): Use XNEWVEC instead of xmalloc.
6088 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6089 populate vars array.
6090 (create_new_general_access): For debug stmts just reset value.
6091 (get_stmt_accesses): For accesses within debug stmts just record them
6092 using add_access_to_acc_sites instead of preventing the peeling or
6093 counting them as accesses.
6096 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6098 2010-02-19 Richard Guenther <rguenther@suse.de>
6100 PR tree-optimization/42916
6101 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6104 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6106 * configure.ac: Replace all uses of changequote in macro arguments
6107 with proper quoting.
6109 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6112 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6114 2010-02-19 Richard Guenther <rguenther@suse.de>
6116 PR tree-optimization/42944
6117 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6118 test for aliasing with errno.
6120 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6123 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6124 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6125 * dojump.c: Include output.h.
6126 (inv): New inline function.
6127 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6128 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6129 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6130 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6131 argument, pass it down to other calls.
6132 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6133 add REG_BR_PROB note to the conditional jump.
6134 * cfgexpand.c (add_reg_br_prob_note): Removed.
6135 (expand_gimple_cond): Don't call it, add the probability
6136 as last argument to jumpif_1/jumpifnot_1.
6137 * Makefile.in (dojump.o): Depend on output.h.
6138 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6140 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6141 * stmt.c (do_jump_if_equal): Likewise.
6142 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6143 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6144 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6146 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6147 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6148 jumpifnot_1 callers.
6149 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6151 (store_expr): Adjust jumpifnot caller.
6152 (store_constructor): Adjust jumpif caller.
6155 * gimplify.c (gimple_boolify): For __builtin_expect call
6156 gimple_boolify also on its first argument.
6158 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6160 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6162 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6163 * configure: Regenerated.
6165 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6167 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6168 lang_hooks.types_compatible_p instead of comptypes.
6170 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6172 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6173 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6174 if __prefer_thumb__ is defined.
6176 2010-02-18 Martin Jambor <mjambor@suse.cz>
6178 PR tree-optimization/43066
6179 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6180 array with zero-sized element type.
6182 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6184 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6185 rtx, allocate struct var_loc_node here and return it to the
6186 caller, and only if it is actually needed.
6187 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6188 move it earlier and return immediately if it returns NULL.
6190 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6192 * config/sparc/gas.h: New file. Restore
6193 TARGET_ASM_NAMED_SECTION to its ELF default.
6194 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6196 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6197 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6198 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6199 after sparc/sysv4.h.
6201 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6203 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6205 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6207 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6208 patterns from predicated pattern.
6210 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6213 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6214 for insn mnemonic suffix.
6216 2010-02-17 Richard Guenther <rguenther@suse.de>
6218 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6221 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6224 * caller-save.c (save_call_clobbered_regs): If BB ends with
6225 a DEBUG_INSN, move any notes in between last real insn and the last
6226 DEBUG_INSN after the last DEBUG_INSN.
6228 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6230 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6231 Fix return type. Fix argument type. Explain meaning of return value.
6233 2010-02-16 Richard Guenther <rguenther@suse.de>
6235 PR tree-optimization/41043
6236 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6237 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6239 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6241 2010-02-16 Ira Rosen <irar@il.ibm.com>
6243 PR tree-optimization/43074
6244 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6245 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6246 vectorizable cycles in hybrid SLP check.
6247 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6249 2010-02-16 Richard Guenther <rguenther@suse.de>
6251 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6252 (true_dependence): If memrefs_conflict_p computes must-alias
6253 trust it. Move TBAA check after offset-based disambiguation.
6254 (canon_true_dependence): Likewise.
6256 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6258 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6259 * doc/invoke.texi: Document it.
6260 * var-tracking.c: Include toplev.h and params.h.
6261 (vt_find_locations): Return bool indicating success. Compute
6262 hash sizes unconditionally. Check new parameter, report.
6263 (variable_tracking_main_1): Check vt_find_locations results and
6264 retry. Renamed from...
6265 (variable_tracking_main): ... this. New wrapper to preserve
6266 flag_var_tracking_assignments.
6267 * Makefile.in (var-tracking.o): Adjust dependencies.
6269 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6270 Jakub Jelinek <jakub@redhat.com>
6273 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6274 if weak_import attribute is present.
6275 * config/darwin.c (machopic_select_section): Likewise.
6277 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6279 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6280 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6281 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6282 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6284 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6287 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6290 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6291 Rewrite text to refer to the names.
6293 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6295 * config/i386/i386-builtin-types.def
6296 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6297 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6298 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6299 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6300 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6301 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6302 IX86_BUILTIN_VPERMIL2PS256.
6303 (MULTI_ARG_4_DF2_DI_I): Defined.
6304 (MULTI_ARG_4_DF2_DI_I1): Defined.
6305 (MULTI_ARG_4_SF2_SI_I): Defined.
6306 (MULTI_ARG_4_SF2_SI_I1): Defined.
6307 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6308 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6309 __builtin_ia32_vpermil2ps256.
6310 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6311 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6312 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6313 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6314 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6315 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6316 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6317 CODE_FOR_xop_vpermil2v8sf3.
6318 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6319 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6320 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6321 (_mm256_permute2_pd): New.
6322 (_mm_permute2_ps): New.
6323 (_mm256_permute2_ps): New.
6325 2010-02-15 Nick Clifton <nickc@redhat.com>
6327 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6328 boolean parameters. Use emit_jump_insn when emitting a pop
6329 instruction containing a return insn.
6330 (push): Use 'true' rather than '1' as second parameter to F.
6331 (h8300_expand_prologue): Likewise.
6332 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6333 (h8300_expand_epilogue): Likewise.
6335 2010-02-15 Richard Guenther <rguenther@suse.de>
6338 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6341 2010-02-15 Nick Clifton <nickc@redhat.com>
6343 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6346 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6348 * intl.c (fake_ngettext): New function.
6349 * intl.h (fake_ngettext): Declare.
6350 (ngettext): Define macro.
6351 * collect2.c (notice_translated): New function.
6352 (main): Use notice_translated and ngettext.
6353 * collect2.h (notice_translated): Declare.
6355 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6357 * reorg.c (delete_computation): Comment fixes.
6358 * caller-save.c (setup_save_areas): Idem.
6359 * sel-sched-dump.c (dump_lv_set): Idem.
6362 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6364 * config/s390/s390.c (s390_sched_init): New function.
6365 (TARGET_SCHED_INIT): Target hook defined.
6367 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6368 Jack Howarth <howarth@bromo.med.uc.edu>
6369 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6372 Partial revert of unintended change in fix for PR41605.
6373 * config/darwin.h: Fix typo.
6374 * config/darwin9.h: Same.
6376 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6378 * c-pch.c (pch_init): Clear v.
6380 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6383 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6384 graphite_can_represent_init for MULT_EXPR.
6386 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6390 * graphite-sese-to-poly.c (remove_phi): New.
6391 (translate_scalar_reduction_to_array): Call remove_phi.
6393 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6396 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6397 * graphite-clast-to-gimple.h (gloog): Update declaration.
6398 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6399 * graphite-poly.h (struct poly_bb): Add missing comments.
6400 (struct scop): Add poly_scop_p field.
6402 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6403 * graphite.c (graphite_transform_loops): Build the polyhedral
6404 representation for each scop before code generation.
6405 * sese.c (rename_variables_in_operand): Removed.
6406 (rename_variables_in_expr): Return the renamed expression.
6407 (rename_sese_parameters): New.
6408 * sese.h (rename_sese_parameters): Declared.
6410 2010-02-11 Richard Guenther <rguenther@suse.de>
6412 PR tree-optimization/42998
6413 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6414 POINTER_PLUS_EXPR properly.
6416 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6417 Changpeng Fang <changpeng.fang@amd.com>
6420 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6421 the cost of an IV candidate when the IV is used in a test against zero.
6423 * gcc.dg/tree-ssa/ivopts-3.c: New.
6425 2010-02-11 Richard Guenther <rguenther@suse.de>
6428 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6429 pointer-vs-decl case by swapping refs. Handle some cases
6430 of pointer-vs-decl disambiguations more conservatively.
6431 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6432 to false after expanding.
6434 2010-02-11 Richard Guenther <rguenther@suse.de>
6437 * gcc.c (process_command): Handle LTO file@offset case more
6440 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6442 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6443 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6445 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6447 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6448 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6449 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6450 Optimize eq/ne comparisons when both arguments are known to be
6452 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6453 Don't mask operands unnecessarily if they are known to be already
6456 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6458 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6461 2010-02-10 Richard Guenther <rguenther@suse.de>
6463 PR tree-optimization/43017
6464 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6465 for wrapping signed arithmetic.
6467 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6470 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6471 if no debug info should be emitted for it.
6473 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6475 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6476 note when flag_exceptions is set.
6478 2010-02-10 Duncan Sands <baldrick@free.fr>
6480 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6482 2010-02-10 Richard Guenther <rguenther@suse.de>
6485 * tree.c (get_unwidened): Handle constants.
6486 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6488 2010-02-10 Martin Jambor <mjambor@suse.cz>
6491 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6492 check for variable argument counts independently.
6494 2010-02-10 Christian Bruel <christian.bruel@st.com>
6497 * config/sh/sh.c (find_barrier): Increase length for non delayed
6498 conditional branches.
6500 2010-02-10 Christian Bruel <christian.bruel@st.com>
6502 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6504 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6506 * builtins.c (set_builtin_user_assembler_name): Also handle
6507 ffs if int is smaller than word.
6509 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6512 * ira-conflicts.c (get_dup): Remove.
6513 (process_reg_shuffles): Add new parameter. Use it as an
6514 additional guard for copy generation.
6515 (add_insn_allocno_copies): Rewrite.
6517 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6519 * common.opt (fsched2-use-traces): Preserved for backward
6521 * doc/invoke.texi: Remove the documentation about option
6522 -fsched2-use-traces.
6523 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6524 flag_sched2_use_traces.
6525 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6526 the backward compatibility flag section.
6528 2010-02-09 Richard Guenther <rguenther@suse.de>
6530 PR tree-optimization/43008
6531 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6532 make HEAP variables initialized from global memory if they
6533 are not known builtin functions.
6534 (find_func_aliases): Adjust.
6536 2010-02-09 Richard Guenther <rguenther@suse.de>
6538 PR tree-optimization/43000
6539 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6540 arithmetic manually.
6542 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6544 PR tree-optimization/42931
6545 * tree-loop-linear.c (try_interchange_loops): Don't call
6546 double_int_mul if estimated_loop_iterations failed.
6548 2010-02-08 Martin Jambor <mjambor@suse.cz>
6551 * tree-sra.c (build_accesses_from_assign): Do not mark in
6552 should_scalarize_away_bitmap if stmt has volatile ops.
6553 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6556 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6558 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6560 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6562 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6565 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6568 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6570 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6573 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6574 to unknown_dependence.
6575 (graphite_legal_transform_dr): Handle the unknown_dependence.
6576 (graphite_carried_dependence_level_k): Same.
6578 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6580 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6582 2010-02-07 Richard Guenther <rguenther@suse.de>
6585 * expr.c (get_inner_reference): Always initialize *pbitsize.
6587 2010-02-07 Richard Guenther <rguenther@suse.de>
6590 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6591 new ARRAY_REFs on variable size element or minimal index arrays.
6593 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6594 gimple_fold_indirect_ref.
6596 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6599 * arm.c (arm_override_options): Just return if the user has specified
6600 an invalid fpu name.
6602 2010-02-03 Jason Merrill <jason@redhat.com>
6605 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6606 i386_pe_maybe_record_exported_symbol.
6608 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6611 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6612 (pa_delegitimize_address): New function.
6614 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6616 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6617 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6619 2010-02-05 Richard Guenther <rguenther@suse.de>
6622 * lto-streamer-in.c (get_resolution): Deal with references
6623 to undefined functions.
6625 2010-02-05 Richard Guenther <rguenther@suse.de>
6627 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6628 (fold_const_aggregate_ref): Likewise.
6629 (ccp_fold_stmt): Substitute loads.
6630 (maybe_fold_reference): Verify types before substituting.
6632 (fold_gimple_assign): Unshare properly.
6633 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6635 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6637 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6638 for rs6000_gen_cell_microcode.
6640 2010-02-04 Richard Guenther <rguenther@suse.de>
6642 PR rtl-optimization/42952
6643 * dse.c (const_or_frame_p): Remove MEM handling.
6645 2010-02-04 Nick Clifton <nickc@redhat.com>
6647 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6648 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6649 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6650 (mn10300_asm_output_mi_thunk): New function.
6651 (mn10300_can_output_mu_thunk): New function.
6652 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6653 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6654 (FUNCTION_ARG): Delete incorrect comment.
6656 2010-02-03 Jason Merrill <jason@redhat.com>
6659 * fold-const.c (operand_equal_p): Handle erroneous types.
6661 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6663 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6665 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6667 PR rtl-optimization/42941
6668 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6671 2010-02-03 Jason Merrill <jason@redhat.com>
6674 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6676 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6679 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6680 (cselib_reset_table): Renamed from...
6681 (cselib_reset_table_with_next_value): ... this.
6682 (cselib_get_next_uid): Renamed from...
6683 (cselib_get_next_unknown_value): ... this.
6684 * cselib.c (next_uid): Renamed from...
6685 (next_unknown_value): ... this.
6686 (cselib_clear_table): Adjust.
6687 (cselib_reset_table): Adjust. Renamed from...
6688 (cselib_reset_table_with_next_value): ... this.
6689 (cselib_get_next_uid): Adjust. Renamed from...
6690 (cselib_get_next_unknown_value): ... this.
6691 (get_value_hash): Use hash.
6692 (cselib_hash_rtx): Likewise.
6693 (new_cselib_val): Adjust. Set and dump uid.
6694 (cselib_lookup_mem): Pass next_uid as hash.
6695 (cselib_subst_to_values): Likewise.
6696 (cselib_log_lookup): Dump uid.
6697 (cselib_lookup): Pass next_uid as hash. Adjust.
6698 (cselib_process_insn): Adjust.
6699 (cselib_init): Initialize next_uid.
6700 (cselib_finish): Adjust.
6701 (dump_cselib_table): Likewise.
6702 * dse.c (canon_address): Dump value uid.
6703 * print-rtl.c (print_rtx): Print value uid.
6704 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6706 (dv_uid): New function, sort of renamed from...
6707 (dv_htab_hash): ... this, reimplemented in terms of it and...
6708 (dv_uid2hash): ... this. New.
6709 (variable_htab_eq): Drop excess assertions.
6710 (tie_break_pointers): Removed.
6711 (canon_value_cmp): Compare uids.
6712 (variable_post_merge_New_vals): Print uids.
6713 (vt_add_function_parameters): Adjust.
6714 (vt_initialize): Reset table. Adjust.
6716 2010-02-03 Richard Guenther <rguenther@suse.de>
6718 PR tree-optimization/42944
6719 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6720 (call_may_clobber_ref_p_1): Likewise. Properly handle
6721 malloc and calloc clobbering errno.
6723 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6725 * doc/invoke.texi: Fix name of sched1 dump.
6727 * opts.c (decode_options): Set flag_tree_switch_conversion
6728 only conditionally on optimize >= 2.
6730 * gcse.c: Assorted comment fixes in pass description.
6732 2010-02-03 Anthony Green <green@moxielogic.com>
6734 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6735 nop padding in order to maintain alignment of storage location of
6736 target function address.
6737 (moxie_trampoline_init): Store target function address at newly
6739 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6741 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6743 2010-02-03 Richard Guenther <rguenther@suse.de>
6746 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6748 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6750 * config.gcc: Reenable check for obsolete targets.
6751 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6752 mips-sgi-irix6.[0-4]*.
6754 2010-02-02 Nick Clifton <nickc@redhat.com>
6756 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6757 constant size of 4 as being the same as 0.
6758 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6759 can take values in the range 0..4.
6761 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6764 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6765 as _darwin10_Unwind_FindEnclosingFunction().
6766 * libgcc-libsystem.ver: New.
6768 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6771 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6772 implicitly set registers.
6774 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6776 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6777 (arm_override_options): Allow automatic selection of the thread
6778 pointer register if thumb2.
6779 (legitimize_pic_address): Improve code sequences for Thumb2.
6780 (arm_call_tls_get_addr): Likewise.
6781 (legitimize_tls_address): Likewise.
6782 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6783 (pic_load_addr_32bit): ... this. New named pattern.
6784 * thumb2.md (pic_load_addr_thumb2): Delete.
6785 (pic_load_dot_plus_four): Delete.
6786 (tls_load_dot_plus_four): New named pattern.
6788 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6791 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6792 Document fix for TLS bug.
6794 2010-01-31 Richard Guenther <rguenther@suse.de>
6796 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6797 conservatively correct.
6799 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6803 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6805 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6807 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6809 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6811 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6813 * config.gcc: Adjust order of makefile fragments for mingw targets.
6815 2010-01-31 Richard Guenther <rguenther@suse.de>
6818 * gimplify.c (gimplify_init_constructor): For volatile LHS
6819 initialize a temporary.
6821 2010-01-31 Matthias Klose <doko@ubuntu.com>
6823 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6825 * configure: Regenerate.
6827 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6829 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6830 the same alias set and their sizes different constantness.
6831 (aliasing_component_refs_p): Revert 2009-10-24 change.
6833 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6835 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6838 2010-01-29 Richard Guenther <rguenther@suse.de>
6840 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6841 Assert we successfully updated the call.
6843 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6845 PR rtl-optimization/42889
6846 * df.h (df_set_bb_dirty_nonlr): New prototype.
6847 * df-core.c (df_set_bb_dirty_nonlr): New function.
6848 * df-scan.c (df_insn_rescan): Call it instead of
6849 df_set_bb_dirty for DEBUG_INSNs.
6851 2010-01-29 Richard Guenther <rguenther@suse.de>
6854 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6855 quadratic behavior in most cases.
6857 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6860 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6861 in the call to gen_x86_movsicc_0_m1.
6863 2010-01-28 Richard Guenther <rguenther@suse.de>
6865 PR tree-optimization/42871
6866 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6868 2010-01-28 Richard Guenther <rguenther@suse.de>
6870 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6871 into call arguments.
6873 2010-01-28 Richard Guenther <rguenther@suse.de>
6876 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6877 the forwarder if the destination is an EH landing pad.
6879 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6881 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6882 block list passed to gimple_duplicate_sese_tail.
6883 (parallelize_loops): Avoid parallelization when the function
6885 Avoid parallelization when the preheader is IRREDUCIBLE.
6886 Try to optimize when estimated_loop_iterations_int is unresolved.
6887 Add the loop's location to the dump file.
6888 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6889 (gimple_duplicate_sese_tail): Remove the check for the latch.
6890 Redirect nexits to the exit block.
6891 Remove handling of the incoming edges to the latch.
6892 Redirect the backedge from the copied latch to the exit bb.
6894 2010-01-28 Michael Matz <matz@suse.de>
6897 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6898 Wrap force_reg into a sequence, emit it before user.
6900 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6902 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6904 (arm_legacy_rev): Likewise.
6905 (thumb_legacy_rev): Likewise.
6907 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6909 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6910 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6911 on MEM's address failed, try avoid_constant_pool_reference and
6912 recurse if it returned something different.
6913 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6914 address, try avoid_constant_pool_reference and recurse if it
6915 returned something different.
6916 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6917 address and avoid_constant_pool_reference returned something
6918 different, don't set have_address.
6920 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6923 * var-tracking.c (val_store): Add modified argument, obey it.
6925 (count_uses): Move down logging of main.
6926 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6927 don't need resolution.
6928 (emit_notes_in_bb): Likewise.
6930 2010-01-27 Richard Guenther <rguenther@suse.de>
6933 * tree-inline.c (remap_decl): Delay remapping of SSA name
6934 default definitions until we need them.
6936 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6938 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6939 (rs6000_delegitimize_address): New function.
6941 * config/s390/s390.c (s390_delegitimize_address): Call
6942 delegitimize_mem_from_attrs.
6945 * tree-inline.c (cannot_copy_type_1): Removed.
6946 (copy_forbidden): Don't forbid copying of functions containing
6947 records/unions with variable length fields.
6949 2010-01-27 Christian Bruel <christian.bruel@st.com>
6953 * config/sh/sh.c (find_barrier): Increase length for non delayed
6954 conditional branches.
6956 2010-01-27 Matthias Klose <doko@ubuntu.com>
6958 * configure.ac (gnu-unique-object): Fix ldd version check.
6959 * configure: Regenerate.
6961 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6963 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6965 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6966 Test for HAVE_GNU_AS value.
6968 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6970 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6971 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6972 INT64_TYPE): Define.
6973 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6974 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6975 INT_LEAST64_TYPE): Define.
6976 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6977 UINT_LEAST64_TYPE): Define.
6978 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6979 INT_FAST64_TYPE): Define.
6980 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6981 UINT_FAST64_TYPE): Define.
6982 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6983 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6984 (SIG_ATOMIC_TYPE): Define.
6986 2010-01-26 Richard Guenther <rguenther@suse.de>
6988 * df-scan.c (df_scan_set_bb_info): Remove assert.
6989 (df_insn_rescan_debug_internal): Merge asserts.
6990 (df_install_ref): Likewise.
6991 (df_mark_reg): Use bitmap_set_range.
6992 (df_hard_reg_used_p): Remove assert.
6993 (df_hard_reg_used_count): Likewise.
6995 2010-01-26 Richard Guenther <rguenther@suse.de>
6997 PR rtl-optimization/42685
6998 * web.c (web_main): Ignore DEBUG_INSNs.
7000 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
7002 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
7004 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
7005 Fix types of fndecl and arglist parameters.
7007 2010-01-26 Richard Guenther <rguenther@suse.de>
7010 * tree-eh.c (unsplit_eh): Skip debug insns.
7012 2010-01-26 Richard Guenther <rguenther@suse.de>
7014 PR tree-optimization/42250
7015 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
7017 2010-01-26 Jakub Jelinek <jakub@redhat.com>
7020 * omp-low.c (expand_omp_sections): Only use single_pred if
7021 l2_bb is single_pred_p.
7023 2010-01-25 Christian Bruel <christian.bruel@st.com>
7026 * config/sh/sh.c (find_barrier): Increase length for non delayed
7027 conditional branches.
7028 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
7030 2010-01-24 David S. Miller <davem@davemloft.net>
7032 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
7033 define if not using GAS.
7034 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7035 Likewise. Delete SECTION_MERGE code, which is only applicable
7038 2010-01-24 Mark Mitchell <mark@codesourcery.com>
7041 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
7042 mangling of va_list in system headers.
7044 2010-01-23 Toon Moene <toon@moene.org>
7046 * tree-predcom.c (combine_chains): Return NULL, not false.
7048 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7050 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7051 initialization of variable res to agree with return type.
7053 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7055 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7056 * tree-sra.c: Add include of expr.h.
7058 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7060 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7061 insert the debug stmt on the single non-EH edge from the stmt.
7063 2010-01-22 Richard Henderson <rth@redhat.com>
7066 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7067 the RHS until after generate_subtree_copies has insertted its
7068 code before the current statement.
7070 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7072 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7074 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7076 2010-01-21 Martin Jambor <mjambor@suse.cz>
7078 PR tree-optimization/42585
7079 * tree-sra.c (struct access): New field grp_total_scalarization.
7080 (dump_access): Dump the new field.
7081 (should_scalarize_away_bitmap): New variable.
7082 (cannot_scalarize_away_bitmap): Likewise.
7083 (sra_initialize): Allocate new bitmaps.
7084 (sra_deinitialize): Free new bitmaps.
7085 (create_access_1): New function.
7086 (create_access): Parts moved to create_access_1.
7087 (type_consists_of_records_p): New function.
7088 (completely_scalarize_record): Likewise.
7089 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7090 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7091 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7093 (analyze_all_variable_accesses): Completely scalarize small eligible
7096 2010-01-21 Martin Jambor <mjambor@suse.cz>
7098 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7100 2010-01-21 Andrew Haley <aph@redhat.com>
7102 * gcc.c (process_command): Move lang_specific_driver before
7103 setting cc_libexec_prefix.
7105 2010-01-21 Richard Guenther <rguenther@suse.de>
7108 * fold-const.c (negate_expr_p): Pretend only negative
7109 real constants are easily negatable.
7111 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7112 Jason Merrill <jason@redhat.com>
7114 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7115 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7116 * calls.c (initialize argument_information): Handle it.
7117 * c-common.c (handle_transparent_union_attribute): Use new name.
7118 * c-decl.c (finish_struct): Ditto.
7119 * c-typeck.c (type_lists_compatible_p): Ditto.
7120 (convert_for_assignment): Use new name and also handle record.
7121 * function.c (aggregate_value_p): Handle it.
7122 (pass_by_reference): Ditto.
7123 (assign_parm_data_types): Ditto.
7124 * print-tree.c (print_node): Ditto.
7125 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7126 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7127 * tree.c (first_field): New fn.
7129 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7132 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7133 even when linking statically, for now.
7135 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7138 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7139 without a cselib val.
7140 (count_uses): Accept MO_VAL_SET with no val on stores.
7141 (add_stores): Likewise.
7143 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7145 * var-tracking.c (check_value_val): Add a compile time assertion.
7146 (dv_is_decl_p): Simplify.
7147 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7148 gcc_assert if ENABLE_CHECKING.
7150 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7153 * var-tracking.c: Include tree-flow.h.
7154 (mem_dies_at_call): New.
7155 (dataflow_set_preserve_mem_locs): Use it.
7156 (dataflow_set_remove_mem_locs): Likewise.
7157 (dump_var): Renamed from dump_variable. Adjust all callers.
7158 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7159 * Makefile.in (var-tracking.o): Adjust deps.
7161 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7163 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7165 2010-01-20 Richard Guenther <rguenther@suse.de>
7167 PR tree-optimization/42717
7168 * tree-ssa-dce.c (get_live_post_dom): Remove.
7169 (forward_edge_to_pdom): Take an arbitrary edge to copy
7170 degenerate PHI args from.
7171 (remove_dead_stmt): Use the first post-dominator even if it
7172 does not contain live statements as redirection destination.
7174 2010-01-20 Richard Guenther <rguenther@suse.de>
7176 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7178 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7180 * sel-sched.c (create_speculation_check): Remove set but not used
7182 (try_transformation_cache): Remove set but not used variable ds.
7183 (calculate_privileged_insns): Remove set but not used variables
7184 cur_insn and min_spec_insn.
7185 (find_best_expr): Remove set but not used variable avail_n.
7186 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7188 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7190 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7191 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7194 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7197 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7198 cpu types. Add support for *-sse3 cpu types.
7199 (x86_64-*-*): Ditto.
7201 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7204 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7205 argument, call initializer_constant_valid_p_1 instead of
7206 initializer_constant_valid_p, pass CACHE to it, return NULL
7207 immediately if first call returns NULL.
7208 (initializer_constant_valid_p_1): New function.
7209 (initializer_constant_valid_p): Use it.
7211 2010-01-20 Thomas Quinot <quinot@adacore.com>
7213 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7215 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7217 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7218 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7219 (loc_list_from_tree): Don't handle unsigned division. Handle
7220 signed modulo using DW_OP_{over,over,div,mul,minus}.
7221 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7222 modulo instead of signed.
7224 2010-01-20 DJ Delorie <dj@redhat.com>
7226 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7228 (h8300_emit_stack_adjustment): Propogate it.
7230 (h8300_expand_prologue): Likewise.
7231 (h8300_expand_epilogue): Likewise.
7233 2010-01-19 Michael Matz <matz@suse.de>
7235 PR tree-optimization/41783
7236 * tree-data-ref.c (toplevel): Include flags.h.
7237 (dump_data_dependence_relation): Also dump the inputs if the
7238 result will be unknown.
7239 (split_constant_offset_1): Look through some conversions.
7240 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7241 the offset from last element is too large.
7242 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7243 (reassociate_to_the_same_stmt): Handle vector registers.
7244 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7246 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7247 wide_prolog_niters argument, emit widening instructions.
7248 (vect_do_peeling_for_alignment): Adjust caller, use widened
7249 variant of the iteration cound.
7250 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7252 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7255 * config/arm/neon-testgen.m (emit_automatics): New parameter
7256 features. Adjust for Fixed_return_reg feature.
7257 (test_intrinsic): Call emit_automatics with new feature.
7258 * config/arm/neon.ml: Update copyright years.
7259 (features): New Fixed_return_reg feature.
7260 (ops): Update feature for Vget_low.
7262 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7264 PR tree-optimization/42719
7265 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7269 * fwprop.c (all_uses_available_at): Return false if def_set dest
7270 is a REG that is used in def_insn.
7272 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7274 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7276 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7279 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7281 * target.h (struct gcc_target) <secondary_reload>: Change type
7282 of last argument to secondary_reload_info *.
7284 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7287 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7288 memory references with unaligned offsets. Remove CQImode handling.
7289 (unaligned_memory_operand): Return 1 for memory references with
7290 unaligned offsets. Remove CQImode handling.
7292 2010-01-18 Richard Guenther <rguenther@suse.de>
7295 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7298 2010-01-18 Richard Guenther <rguenther@suse.de>
7300 PR tree-optimization/42781
7301 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7302 restrict processing only if the original variable was artificial.
7304 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7306 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7307 find number of popped argument bytes.
7309 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7310 Fix the text that describes the return value for invalid insns.
7312 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7314 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7315 Clarify what 'cost of the -dependence' is. Fix quoting.
7317 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7318 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7320 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7322 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7323 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7325 2010-01-17 Richard Guenther <rguenther@suse.de>
7328 * function.c (split_complex_args): Take a VEC to modify.
7329 (assign_parms_augmented_arg_list): Build a VEC instead of
7330 a chain of PARM_DECLs.
7331 (assign_parms_unsplit_complex): Take a VEC of arguments.
7332 Do not fixup unmodified parms.
7333 (assign_parms): Deal with the VEC.
7334 (gimplify_parameters): Likewise.
7336 2010-01-17 Richard Guenther <rguenther@suse.de>
7338 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7339 node existence check.
7340 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7341 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7342 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7343 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7344 (gimple_execute_on_growing_pred): Likewise.
7346 2010-01-17 Richard Guenther <rguenther@suse.de>
7348 PR tree-optimization/42773
7349 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7350 (compute_antic_aux): Likewise.
7351 (compute_partial_antic_aux): Likewise.
7353 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7356 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7359 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7361 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7364 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7365 Fix markup for strict argument.
7367 (TARGET_SCHED_REORDER2): Fix argument types.
7369 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7370 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7372 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7373 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7375 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7378 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7379 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7380 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7381 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7382 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7384 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7386 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7388 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7389 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7391 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7393 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7396 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7398 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7399 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7401 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7403 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7405 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7406 referring to it. Fix language.
7408 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7410 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7412 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7414 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7416 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7417 '@var{stream}. Remove stray 'and'.
7419 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7421 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7423 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7425 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7426 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7428 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7429 Fix description of return value.
7430 Rename argument "sz" to "len."
7432 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7433 Clarify meaning of 'true' return value.
7435 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7437 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7438 rep_mode versus mode_rep.
7440 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7442 (TARGET_BUILTIN_DECL): Fix name.
7444 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7446 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7448 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7450 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7452 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7454 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7457 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7458 Rename argument tm_fn to md_fn.
7460 (TARGET_OPTION_PRINT): Fix argument list.
7462 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7465 * config/i386/i386.c (ix86_fixup_binary_operands):
7466 Revert FMA4 fixup of operands.
7468 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7471 * Makefile.in (write_entries_to_file, install-plugin):
7472 Use \012 instead of \n with tr.
7474 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7476 * configure.ac (HAVE_AS_REF): New C macro.
7477 * configure: Regenerate.
7478 * config.in: Likewise.
7479 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7481 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7484 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7486 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7488 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7490 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7492 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7494 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7496 (TARGET_BINDS_LOCAL_P): Fix argument type.
7498 (TARGET_ASM_FILE_END): Use prototype.
7500 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7502 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7504 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7506 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7508 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7509 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7511 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7512 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7514 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7515 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7516 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7517 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7519 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7521 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7523 (TARGET_INIT_BUILTINS): Use prototype.
7525 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7526 Put 'const char *' in braces. Fix parameter types.
7527 (TARGET_INVALID_CONVERSION): Fix parameter types.
7528 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7529 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7531 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7534 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7536 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7538 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7540 * doc/tm.texi (TARGET_HELP): Fix return type.
7542 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7543 in braces. Fix argument types.
7545 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7547 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7549 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7551 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7552 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7554 (TARGET_MANGLE_TYPE): Fix argument types.
7556 (TARGET_IRA_COVER_CLASSES): Use prototype.
7558 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7560 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7562 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7564 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7566 (TARGET_CALLEE_COPIES): Fix argument types.
7568 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7570 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7572 (TARGET_FUNCTION_VALUE): Fix argument types.
7574 (TARGET_RETURN_IN_MSB): Fix argument type.
7576 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7578 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7580 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7582 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7583 agree with return type.
7585 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7587 2010-01-15 Jing Yu <jingyu@google.com>
7589 PR rtl-optimization/42691
7590 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7591 a pseudo to a constant and are merged, and adjust comments.
7593 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7595 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7597 2010-01-15 Richard Guenther <rguenther@suse.de>
7600 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7601 labels of computed or non-local gotos to the destination.
7602 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7603 landing pad label is the first label.
7605 2010-01-15 Richard Guenther <rguenther@suse.de>
7607 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7609 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7612 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7613 to allow generation of the xssqrtdp instruction on power7.
7614 (sqrtdf2_fpr): Ditto.
7616 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7619 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7620 functions with noreturn attribute.
7623 * varasm.c (declare_weak): Add weak attribute to decl if it
7624 doesn't have one already.
7625 (assemble_external): Only add decls to weak_decls if they also
7626 have weak attribute.
7628 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7630 * var-tracking.c (var_reg_delete): Don't delete the association
7631 between REGs and values or one-part variables if the register
7634 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7637 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7638 because its first operand is a non-localized variable.
7640 2010-01-14 Martin Jambor <mjambor@suse.cz>
7642 PR tree-optimization/42706
7643 * tree-sra.c (encountered_recursive_call): New variable.
7644 (encountered_unchangable_recursive_call): Likewise.
7645 (sra_initialize): Initialize both new variables.
7646 (callsite_has_enough_arguments_p): New function.
7647 (scan_function): Call decl and flags check only for IPA-SRA, check
7648 whether there is a recursive call and whether it has enough arguments.
7649 (all_callers_have_enough_arguments_p): New function.
7650 (convert_callers): Look for recursive calls only when
7651 encountered_recursive_call is set.
7652 (ipa_early_sra): Bail out either if
7653 !all_callers_have_enough_arguments_p or
7654 encountered_unchangable_recursive_call.
7656 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7658 * sel-sched.c: Add 2010 to copyright years.
7659 * sel-sched-ir.c: Likewise.
7660 * sel-sched-ir.h: Likewise.
7662 2010-01-14 Martin Jambor <mjambor@suse.cz>
7664 PR tree-optimization/42714
7665 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7666 constructors specially.
7668 2010-01-14 Andi Kleen <ak@linux.intel.com>
7670 * config/i386/drivers-i386.c (detect_caches_intel):
7671 Add l2sizekb parameter and fill in.
7672 (host_detect_local_cpu): Add l2sizekb, fill in.
7673 Add Atom small cache heuristic.
7675 2010-01-14 Andi Kleen <ak@linux.intel.com>
7677 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7678 Add level3 parameter and fill in.
7679 (detect_caches_intel): Handle level3 cache.
7681 2010-01-14 Andi Kleen <ak@linux.intel.com>
7683 * config/i386/drivers-i386.c (host_detect_local_cpu):
7684 Fix core duo detection.
7686 2010-01-14 Andi Kleen <ak@linux.intel.com>
7688 * config/i386/drivers-i386.c (host_detect_local_cpu):
7691 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7693 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7694 (rs6000_variable_issue_1): this. Use...
7695 (rs6000_variable_issue): here. Reimplement. Print debug info.
7697 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7699 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7700 sel_restore_notes. Update all callers. Call reemit_notes
7703 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7705 PR rtl-optimization/42246
7706 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7709 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7711 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7712 all successors is the same as number of successors in current region.
7714 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7716 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7717 to rename is not separable. Otherwise check that its LHS is not NULL.
7719 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7721 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7723 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7725 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7726 available registers when failed to discover LHS register class.
7727 Fix indentation. Update comment.
7729 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7730 Alexander Monakov <amonakov@ispras.ru>
7732 PR rtl-optimization/42389
7733 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7735 (advance_state_on_fence): Likewise.
7736 (sel_target_adjust_priority): Print debug output only when
7737 sched_verbose >= 4, not 2.
7738 (get_expr_cost): Do not issue all unique insns on the next cycle.
7739 (fill_insns): Initialize can_issue_more from the value saved
7741 * sel-sched-ir.c (flist_add): New parameter issue_more.
7742 Init FENCE_ISSUE_MORE with it.
7743 (merge_fences): Likewise.
7744 (init_fences): Update call to flist_add.
7745 (add_to_fences, add_clean_fence_to_fences)
7746 (add_dirty_fence_to_fences): Likewise.
7747 (move_fence_to_fences): Update call to merge_fences.
7748 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7750 * sel-sched-ir.h (struct _fence): New field issue_more.
7751 (FENCE_ISSUE_MORE): New accessor macro.
7753 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7755 PR rtl-optimization/42388
7756 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7757 that have no predecessors nor successors. Do not call move_bb_info
7758 for empty blocks outside of current region.
7760 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7762 PR rtl-optimization/42294
7763 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7764 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7765 originators' originators.
7767 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7769 PR rtl-optimization/39453
7770 PR rtl-optimization/42246
7771 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7773 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7775 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7776 Alexander Monakov <amonakov@ispras.ru>
7779 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7780 (maybe_tidy_empty_bb): ... here. Make static. Add new
7781 argument. Update all callers.
7782 (tidy_control_flow): ... and here. Recompute topological order
7783 of basic blocks in region if necessary.
7784 (sel_redirect_edge_and_branch): Change return type. Return true
7785 if topological order might have been invalidated.
7786 (purge_empty_blocks): Export and move from...
7787 * sel-sched.c (purge_empty_blocks): ... here.
7788 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7789 (maybe_tidy_empty_bb): Delete prototype.
7790 (purge_empty_blocks): Declare.
7792 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7794 PR rtl-optimization/42249
7795 * sel-sched.c (try_replace_dest_reg): When chosen register
7796 and original register is the same, do not bail out early, but
7797 still check all original insns for validity of replacing destination
7798 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7801 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7804 Port from no-undefined-overflow branch:
7805 2009-03-09 Richard Guenther <rguenther@suse.de>
7807 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7809 2010-01-14 Richard Guenther <rguenther@suse.de>
7812 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7814 2010-01-14 Ira Rosen <irar@il.ibm.com>
7816 PR tree-optimization/42709
7817 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7818 as scalar type in creation of constant vector operand.
7820 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7823 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7824 (check-parallel-%): Match `testsuite' directory component only
7827 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7829 PR translation/39521
7830 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7833 2010-01-13 Richard Guenther <rguenther@suse.de>
7835 PR tree-optimization/42730
7836 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7839 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7842 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7843 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7846 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7848 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7849 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7850 ___umulsi3_highpart.
7852 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7853 rather than schedule_insns if the pass is enabled.
7855 2010-01-13 Martin Jambor <mjambor@suse.cz>
7857 PR tree-optimization/42704
7858 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7861 2010-01-13 Martin Jambor <mjambor@suse.cz>
7863 PR tree-optimization/42703
7864 * tree-sra.c (analyze_access_subtree): Check that we can build a
7865 reference to the original data within the aggregate.
7867 2010-01-13 Richard Guenther <rguenther@suse.de>
7869 PR tree-optimization/42705
7870 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7872 2010-01-13 Richard Guenther <rguenther@suse.de>
7875 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7877 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7880 * var-tracking.c (values_to_unmark): New variable.
7881 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7882 values_to_unmark vector. Moved body to...
7883 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7884 instead queue it into values_to_unmark vector.
7885 (vt_find_locations): Free values_to_unmark vector.
7887 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7889 * config/s390/s390.c (override_options): Set
7890 default of max-pending-list-length to 256
7892 2010-01-13 Richard Guenther <rguenther@suse.de>
7895 * tree-pass.h (PROP_gimple_lcx): New.
7896 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7897 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7898 before the final cleanup_eh.
7899 (dump_properties): Dump PROP_gimple_lcx.
7900 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7901 (tree_lower_complex_O0): Remove.
7902 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7903 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7904 tree_lower_complex, schedule TODO_update_ssa.
7905 * lto-streamer-out.c (output_function): Stream the functions
7907 * lto-streamer-in.c (input_function): Likewise.
7908 (lto_read_body): Do not override them here.
7910 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7913 * c-typeck.c (build_c_cast): Fold value cast to union type before
7914 wrapping it in a CONSTRUCTOR.
7916 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7918 PR rtl-optimization/42699
7919 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7922 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7924 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7925 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7926 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7927 SUBTARGET_WARN_UNUSED_SPEC): ... here
7928 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7930 2010-01-12 Julian Brown <julian@codesourcery.com>
7932 * config/arm/neon-schedgen.ml (Utils): Don't try to
7933 open missing module.
7934 (find_with_result): New.
7936 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7939 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7940 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7942 PR tree-optimization/42645
7943 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7944 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7945 decl_map, set processing_debug_stmt to -1 and return name without
7948 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7950 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7951 binutils version, and reword target configuration description.
7953 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7955 * config/avr/avr.h (LINKER_NAME): Remove.
7957 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7960 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7961 that support VSX, warn for -mno-altivec if vsx is not disabled,
7964 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7965 Shujing Zhao <pearly.zhao@oracle.com>
7967 PR translation/42469
7968 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7969 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7970 character between option name and help text.
7971 * c.opt (imultilib): Likewise.
7973 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7975 * lto-streamer-out.c (output_unreferenced_globals): Output static
7978 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7980 PR rtl-optimization/42621
7981 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7982 optimizing for size.
7983 (duplicate_computed_gotos): Remove now-redundant check.
7985 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7988 * configure.ac: Save and restore LDFLAGS and LIBS
7989 * configure: Regenerate.
7991 2010-01-10 Richard Guenther <rguenther@suse.de>
7994 * builtins.c (fold_builtin_strlen): Add type argument and
7995 convert the resulting length to it.
7996 (fold_builtin_1): Adjust.
7998 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8000 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
8001 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
8003 (num_insns_constant_wide): Adjust for that change.
8005 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8008 * web.c (union_defs): Add used argument, to combine uses of
8010 (entry_register): Adjust type and tests of used argument.
8011 (web_main): Widen used for new use. Pass it to union_defs.
8012 * df.h (union_defs): Adjust prototype.
8014 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8017 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
8018 uses in new incoming argument. Free body.
8019 (reset_debug_uses_in_loop): New.
8020 (analyze_insn_to_expand_var): Call the latter if the former found
8021 anything. Fix whitespace. Reject invalid dest overlaps before
8022 going through all insns in the loop.
8024 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8027 * haifa-sched.c (dying_use_p): Debug insns don't count.
8029 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8032 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
8033 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
8034 (verify_gimple_call): Reject LHS in noreturn calls.
8036 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8040 * tree-vect-loop-manip.c (adjust_info): New type.
8041 (adjust_vec): New pointer to vector.
8042 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
8043 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
8044 (slpeel_update_phis_for_duplicate_loop): Use them.
8045 (slpeel_update_phi_nodes_for_guard1): Likewise.
8046 (slpeel_update_phi_nodes_for_guard2): Likewise.
8047 (slpeel_tree_peel_loop_to_edge): Likewise.
8048 (vect_update_ivs_after_vectorizer): Likewise.
8050 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8052 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8053 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8055 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8057 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8058 bogus uninitialized warning.
8060 2010-01-09 Richard Guenther <rguenther@suse.de>
8063 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8064 the evolution is compatible with the initial condition.
8066 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8068 * gcc.c (process_command): Update copyright notice dates.
8069 * gcov.c (print_version): Likewise.
8070 * gcov-dump.c (print_version): Likewise.
8071 * mips-tfile.c (main): Likewise.
8072 * mips-tdump.c (main): Likewise.
8074 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8077 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8079 (rotlhi3_8): Delete.
8081 (rotlsi3_8): Delete.
8082 (rotlsi3_16): Delete.
8083 (rotlsi3_24): Delete.
8085 (*rotw<mode>3): New.
8086 (*rotb<mode>3): New.
8087 * config/avr/avr.c (avr_rotate_bytes): New function.
8088 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8090 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8093 * configure.ac: Modify -rdynamic check.
8094 * configure: Regenerate.
8096 2010-01-08 DJ Delorie <dj@redhat.com>
8098 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8099 register popping order.
8101 2010-01-08 Richard Guenther <rguenther@suse.de>
8104 * c.opt (fsigned-char): Also let LTO handle this option.
8105 (funsigned-char): Likewise.
8107 2010-01-07 Richard Guenther <rguenther@suse.de>
8109 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8110 (gimple_op): Likewise.
8111 (gimple_op_ptr): Likewise.
8112 (gimple_assign_set_lhs): Remove gcc_assert.
8113 (gimple_assign_set_rhs1): Likewise.
8114 (gimple_assign_set_rhs2): Likewise.
8115 (gimple_call_set_lhs): Likewise.
8116 (gimple_call_set_fn): Likewise.
8117 (gimple_call_set_fndecl): Likewise.
8118 (gimple_call_fndecl): Likewise.
8119 (gimple_call_return_type): Likewise.
8120 (gimple_call_set_chain): Likewise.
8121 (gimple_call_num_args): Likewise.
8122 (gimple_call_set_arg): Likewise.
8123 (gimple_cond_set_code): Likewise.
8124 (gimple_cond_set_lhs): Likewise.
8125 (gimple_cond_set_rhs): Likewise.
8126 (gimple_cond_set_true_label): Likewise.
8127 (gimple_cond_set_false_label): Likewise.
8128 (gimple_label_set_label): Likewise.
8129 (gimple_goto_set_dest): Likewise.
8130 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8131 (gimple_debug_bind_get_value): Likewise.
8132 (gimple_debug_bind_get_value_ptr): Likewise.
8133 (gimple_debug_bind_set_var): Likewise.
8134 (gimple_debug_bind_set_value): Likewise.
8135 (gimple_debug_bind_reset_value): Likewise.
8136 (gimple_debug_bind_has_value_p): Likewise.
8137 (gimple_return_retval_ptr): Remove gcc_assert.
8138 (gimple_return_retval): Likewise.
8139 (gimple_return_set_retval): Likewise.
8140 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8141 (safe_referenced_var_iterator): Remove.
8142 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8143 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8144 (fill_referenced_var_vec): Remove.
8145 (first_readonly_imm_use): Remove redundant gcc_assert.
8146 (phi_arg_index_from_use): Combine gcc_asserts.
8147 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8148 (first_imm_use_stmt): Remove redundant gcc_assert.
8149 * tree-cfg.c (verify_gimple_call): Verify function and chain
8150 operands. Verify arguments.
8151 (verify_types_in_gimple_stmt): Verify condition code and labels.
8153 2010-01-07 Richard Guenther <rguenther@suse.de>
8155 PR tree-optimization/42641
8156 * sese.c (rename_map_elt_info): Use the SSA name version, do
8159 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8161 PR tree-optimization/42625
8162 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8163 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8165 2010-01-07 Duncan Sands <baldrick@free.fr>
8167 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8169 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8172 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8173 note itself is not function_invariant_p.
8175 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8177 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8178 Do not add the DF_NOTE problem.
8179 * store-motion.c (execute_rtl_store_motion): Likewise.
8181 2010-01-07 Martin Jambor <mjambor@suse.cz>
8183 PR tree-optimization/42157
8184 * tree-sra.c (compare_access_positions): Stabilize sort if both
8185 accesses have integer types, return zero immediately if they are the
8188 2010-01-06 Richard Henderson <rth@redhat.com>
8191 * haifa-sched.c (add_to_note_list): Merge into ...
8192 (concat_note_lists): ... here, and ...
8193 (unlink_other_notes, rm_other_notes): Merge into...
8194 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8195 NOTE_INSN_EPILOGUE_BEG.
8197 2010-01-06 Richard Guenther <rguenther@suse.de>
8199 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8200 not inline regular functions into always-inline functions.
8202 2010-01-06 Nick Clifton <nickc@redhat.com>
8204 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8205 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8207 (OVERRIDE_OPTIONS): Delete.
8208 (OPTIMIZATION_OPTIONS): Define.
8209 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8210 * config/rx/rx.c (rx_handle_option): Issue an error message if
8211 -mcpu=rx200 and -fpu are used together.
8212 (rx_set_optimization_options): New function. Issue an error
8213 message if an optimization attribute attempts to reset the FPU/
8214 math optimization pairing.
8215 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8216 * config/rx/rx.opt: Set the default to 32-bit doubles.
8217 * config/rx/t-rx: Add multilibs for -nofpu option.
8218 * doc/invoke.texi: Update documentation of RX options.
8220 2010-01-06 Richard Guenther <rguenther@suse.de>
8222 * tree-ssa-pre.c (name_to_id): New global.
8223 (alloc_expression_id): Simplify SSA name handling.
8224 (lookup_expression_id): Likewise.
8225 (init_pre): Zero name_to_id.
8226 (fini_pre): Free it.
8228 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8230 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8232 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8235 * config/i386/sse.md (smaxv2di3): New.
8236 (umaxv2di3): Likewise.
8237 (sminv2di3): Likewise.
8238 (uminv2di3): Likewise.
8240 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8243 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8244 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8245 (legitimize_tls_address): Likewise.
8246 (sparc_tls_referenced_p): Likewise.
8247 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8248 and adjust calls to legitimize_pic_address.
8249 (legitimate_constant_p) Use sparc_tls_referenced_p.
8250 (legitimate_pic_operand_p): Likewise.
8251 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8252 (sparc_tls_symbol_ref_1): Delete.
8253 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8254 (legitimize_tls_address): Make static, handle CONST patterns.
8255 (legitimize_pic_address): Make static, remove unused parameter and
8256 adjust recursive calls.
8257 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8258 and adjust call to legitimize_pic_address.
8259 (sparc_output_mi_thunk): Likewise.
8261 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8262 H.J. Lu <hongjiu.lu@intel.com>
8265 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8266 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8267 operands to make them signed.
8270 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8273 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8274 GTU to GT for V4SI and V2DI.
8276 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8277 (umin<mode>3): Removed.
8279 (uminv4si3): Likewise.
8281 2010-01-05 Martin Jambor <mjambor@suse.cz>
8283 PR tree-optimization/42462
8284 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8285 current_function_decl to helper functions and macros.
8287 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8290 * flags.h: Don't include real.h.
8291 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8292 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8293 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8294 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8295 * dominance.c: Update copyright.
8296 * gimple.c (walk_gimple_op): Remove inline.
8297 * tree-ssa-reassoc.c: Include real.h.
8298 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8299 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8301 2010-01-05 Nick Clifton <nickc@redhat.com>
8303 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8304 register to push into the stack frame when the accumulator has to
8305 be saved during interrupts.
8307 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8309 * doc/invoke.texi: Remove the documentation about option
8311 * common.opt (Wunreachable-code): Preserved for backward
8313 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8314 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8315 the backward compatibility flag section.
8317 2010-01-05 Richard Guenther <rguenther@suse.de>
8319 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8321 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8324 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8326 PR tree-optimization/42508
8327 * tree-sra.c (convert_callers): Check for recursive call
8328 by comparing cgraph nodes instead of decls.
8329 (modify_function): Call ipa_modify_formal_parameters also
8330 on all same_body aliases.
8332 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8333 cgraph nodes when checking for same_body aliases.
8335 2010-01-05 Richard Guenther <rguenther@suse.de>
8337 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8338 allocation and lookup.
8339 (get_or_alloc_expr_for_constant): Likewise.
8340 (phi_translate): Sink allocation.
8342 2010-01-04 Richard Guenther <rguenther@suse.de>
8344 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8345 a new entry only if needed.
8346 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8347 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8349 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8351 (phi_translate): Handle CONSTANTs early.
8353 2010-01-04 Martin Jambor <mjambor@suse.cz>
8355 PR tree-optimization/42398
8356 * tree-sra.c (struct access): Removed flag grp_different_types.
8357 (dump_access): Do not dump the removed flag.
8358 (sort_and_splice_var_accesses): Do not set the removed flag.
8359 (sra_modify_expr): Check for type compatibility directly.
8361 2010-01-04 Martin Jambor <mjambor@suse.cz>
8363 PR tree-optimization/42366
8364 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8365 edges with variable number of parameters.
8366 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8367 flag instead of asserting it.
8368 (ipa_read_node_info): Read uses_analysis_done flag.
8370 2010-01-04 Richard Guenther <rguenther@suse.de>
8372 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8373 iterative_hash_* as intended.
8374 (vn_reference_compute_hash): Likewise. Simplify hashing
8376 (vn_reference_lookup_2): Likewise.
8377 (vn_nary_op_compute_hash): Likewise.
8378 (vn_phi_compute_hash): Likewise.
8379 (expressions_equal_p): Remove strange code.
8380 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8381 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8382 (bitmap_insert_into_set_1): Take value-id as parameter.
8383 (add_to_value): Pass it.
8384 (bitmap_insert_into_set): Likewise.
8385 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8387 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8390 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8391 (do_self_spec): For switches with SWITCH_IGNORE set set also
8392 SWITCH_IGNORE_PERMANENTLY.
8393 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8396 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8398 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8399 tree of an unreferenced global var.
8401 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8404 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8405 GTU to GT for V4SI and V2DI.
8407 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8408 (umin<mode>3): Removed.
8410 (uminv4si3): Likewise.
8412 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8415 * collect2.c (main): Turn on trace in collect2 if -v is passed
8418 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8420 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8421 description of expression operand.
8423 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8425 * configure.ac: Add install-html to target_list for Make-hooks.
8426 * configure: Regenerate.
8427 * fortran/Make-lang.in (F95_HTMLFILES): New.
8428 (fortran.html): Use it.
8429 (fortran.install-html): New.
8430 * Makefile.in (install-html): Add lang.install-html.
8431 * java/Make-lang.in (JAVA_HTMLFILES): New.
8432 (java.html): Use it.
8433 (java.install-html): New.
8434 * objc/Make-lang.in (objc.install-html): New.
8435 * objcp/Make-lang.in (obj-c++.install-html): New.
8436 * cp/Make-lang.in (c++.install-html): New.
8437 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8438 * lto/Make-lang.in (lto.install-html): New.
8440 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8443 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8445 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8447 PR rtl-optimization/41862
8448 * store-motion.c (store_killed_in_insn, compute_store_table,
8449 remove_reachable_equiv_notes, replace_store_insn,
8450 build_store_vectors): Ignore all DEBUG_INSNs.
8452 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8455 * common.opt: Add dumpdir.
8457 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8459 (option_map): Add --dumpdir.
8461 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8463 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8465 * opts.c (decode_options): Try dump_dir_name first if
8466 dump_base_name isn't an absolute path.
8467 (common_handle_option): Handle OPT_dumpdir.
8469 * toplev.c (dump_dir_name): New.
8470 (print_switch_values): Also ignore -dumpdir.
8472 * toplev.h (dump_dir_name): New.
8474 2010-01-03 Richard Guenther <rguenther@suse.de>
8476 PR tree-optimization/42589
8477 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8478 double-word expansion of bswap32.
8480 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8482 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8483 with BLOCK_FOR_INSN.
8484 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8485 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8486 noce_process_if_block): Likewise.
8487 * gcse.c (compute_local_properties, insert_expr_in_table,
8488 insert_set_in_table, canon_list_insert, find_avail_set,
8489 pre_insert_copy_insn): Likewise.
8491 * basic-block.h (BLOCK_NUM): Move from here...
8492 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8494 2010-01-03 Richard Guenther <rguenther@suse.de>
8496 PR tree-optimization/42438
8497 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8498 contains_may_not_return_call flag.
8499 (BB_MAY_NOTRETURN): New.
8500 (valid_in_sets): Trapping nary operations are not valid
8501 in blocks that may not return.
8502 (insert_into_preds_of_block): Remove check for trapping expressions.
8503 (compute_avail): Compute also BB_MAY_NOTRETURN.
8505 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8507 * doc/invoke.texi: Add 2010 to copyright years.
8509 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8511 * config/sparc/sparc.c: Fix formatting nits.
8513 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8514 Alexander Monakov <amonakov@ispras.ru>
8516 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8518 2010-01-02 Richard Guenther <rguenther@suse.de>
8521 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8522 (simplify_switch_using_ranges): Mark to be removed edges
8525 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8527 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8529 * collect2.c (scan_libraries): Add missing argument in call to
8532 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8535 * config/alpha/predicates.md (aligned_memory_operand): Return false
8537 (unaligned_memory_operand): Return true for CQImode.
8538 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8539 doesn not cross aligned SImode word boundary.
8541 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8543 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8545 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8546 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8548 2010-01-02 Richard Guenther <rguenther@suse.de>
8551 * toplev.c (compile_file): Emit LTO marker properly. Change
8553 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8555 2010-01-01 Richard Guenther <rguenther@suse.de>
8558 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8560 2010-01-01 Richard Guenther <rguenther@suse.de>
8563 * c-decl.c (grokdeclarator): For zero-size arrays force
8564 structural equality checks as layout_type does.
8566 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8568 * builtins.c: Update copyright to 2010.
8570 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8573 * lto-streamer-out.c (produce_asm): Revert the last change.
8574 (copy_function): Likewise.
8576 * lto-streamer.c (lto_get_section_name): Skip any leading
8579 2010-01-01 Richard Guenther <rguenther@suse.de>
8582 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8586 Copyright (C) 2010 Free Software Foundation, Inc.
8588 Copying and distribution of this file, with or without modification,
8589 are permitted in any medium without royalty provided the copyright
8590 notice and this notice are preserved.