1 2006-12-12 Sa Liu <saliu@de.ibm.com>
2 Ben Elliston <bje@au.ibm.com>
4 * config/spu/spu.opt (mfixed-range): New option.
5 * config/spu/spu.h (spu_fixed_range_string): Declare.
6 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
7 (fix_range): New function.
8 * doc/invoke.texi (SPU Options): Document -mfixed-range.
9 * testsuite/gcc.target/spu/fixed-range.c: New.
10 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
12 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
16 * cgraphunit.c (cgraph_optimize): Remove call to
17 process_pending_assemble_externals.
19 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
21 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
23 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
24 (ia64_hpux_add_extern_decl): Removed.
25 (ia64_hpux_file_end): Likewise.
26 (extern_func_list): Likewise.
27 (extern_func_head): Likewise.
29 * output.h (assemble_external): Update comments.
30 (default_elf_asm_output_external): New.
31 (maybe_assemble_visibility): New.
33 * toplev.c (compile_file): Update comment.
35 * varasm.c (assemble_external): Always put it on
36 pending_assemble_externals.
37 (maybe_assemble_visibility): Make it extern and return int.
38 (default_elf_asm_output_external): New.
40 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
42 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
43 can't handle the pointer arithmetic.
45 2006-12-11 Diego Novillo <dnovillo@redhat.com>
47 * doc/tree-ssa.texi: Update documentation for virtual operands
48 and the use of push_stmt_changes/pop_stmt_changes.
49 * doc/invoke.texi: Remove documentation for params
51 Update documentation on max-aliased-vops.
53 * tree-into-ssa.c: Cleanup comments, variables and
54 spacing in various functions.
55 (regs_to_rename): Declare.
56 (mem_syms_to_rename): Declare.
57 (dump_update_ssa): Declare.
58 (debug_update_ssa): Declare.
59 (dump_names_replaced_by): Declare.
60 (debug_names_replaced_by): Declare.
61 (dump_def_blocks): Declare.
62 (debug_def_blocks): Declare.
63 (dump_defs_stack): Declare.
64 (debug_defs_stack): Declare.
65 (dump_currdefs): Declare.
66 (debug_currdefs): Declare.
67 (mark_def_sites): Do not handle virtual operands.
68 (compute_idf): Rename from find_idf. Update users.
69 (register_new_def): Make local. Convert second argument
71 Use BLOCK_DEFS_STACK directly.
72 If pushing a non-register, also push the underlying
74 (rewrite_stmt): Do not handle virtual operands.
75 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
76 dump_currdefs and dump_tree_ssa_stats.
77 (dump_tree_ssa_stats): Also dump REPL_TBL.
78 (replace_use): Remove. Update all users to call SET_USE
80 (rewrite_blocks): Move code to free memory to
82 (mark_def_site_blocks): Move initialization code to
84 (init_ssa_renamer): New.
85 (fini_ssa_renamer): New.
86 (rewrite_into_ssa): Call them.
87 (prepare_block_for_update): Process SSA_OP_ALL_USES first
88 and SSA_OP_ALL_DEFS later. Do not process virtual
90 (dump_update_ssa): Call dump_decl_set.
91 (init_update_ssa): Initialize regs_to_rename and
93 Call init_ssa_renamer.
94 (delete_update_ssa): Call fini_ssa_renamer.
95 Free blocks_with_phis_to_rewrite.
96 (mark_sym_for_renaming): If the variable has
97 sub-variables, also mark them.
98 If the variable belongs to a partition, also mark it.
99 (mark_set_for_renaming): Call mark_sym_for_renaming on
100 every symbol in the set.
101 (switch_virtuals_to_full_rewrite): Call
102 mark_set_for_renaming.
103 (update_ssa): Separate syms_to_rename into regs_to_rename
104 and mem_syms_to_rename.
106 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
107 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
108 (debug_generic_stmt): Likewise.
109 (debug_tree_chain): Likewise.
111 (dump_generic_node): Check for TDF_MEMSYMS.
112 Handle MEMORY_PARTITION_TAG.
113 If the statement references memory and TDF_MEMSYMS is
114 given, call dump_symbols.
115 Indicate default names with (D).
116 (dump_vops): Update for new virtual operator format.
118 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
119 tree_contains_struct.
120 (tree_code_size): Handle MEMORY_PARTITION_TAG.
121 (tree_node_structure): Likewise.
122 (needs_to_live_in_memory): Handle SSA names.
123 * tree.h (MTAG_P): Likewise.
124 (struct tree_memory_partition_tag): Declare.
125 (MPT_SYMBOLS): Define.
126 (union tree_node): Add field 'mpt'.
127 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
128 * tree.def (MEMORY_PARTITION_TAG): Define.
130 * tree-pass.h (TDF_MEMSYMS): Define.
132 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
134 * tree-ssa-alias.c: Include pointer-set.h
135 (struct alias_map_d): Remove fields total_alias_vops,
136 grouped_p and may_aliases. Update all users.
137 (struct mp_info_def): Declare.
138 (mp_info_t): New type.
139 (get_smt_for): Rename from get_tmt_for. Update all
141 (add_may_alias): Add argument ALREADY_ADDED. If given,
142 use it to avoid adding duplicate entries to alias sets.
143 (replace_may_alias): Remove. Update all users.
144 (total_alias_vops_cmp): Remove. Update all users.
145 (group_aliases_into): Remove. Update all users.
146 (tree_pointer_compare): Remove. Update all users.
147 (compact_name_tags): Remove. Update all users.
148 (group_aliases): Remove. Update all users.
149 (mark_non_addressable): Move from tree-flow-inline.h.
150 Remove the symbol from the partition holding it, if
153 (debug_mp_info): New.
155 (create_partition_for): New.
156 (rewrite_alias_set_for): New.
157 (compute_memory_partitions): New.
158 (compute_may_aliases): Call it.
159 (init_alias_info): If computing aliases for the first
160 time, mark every memory symbol for renaming.
161 (have_common_aliases_p): New.
162 (compute_flow_insensitive_aliasing): Call it.
163 (setup_pointers_and_addressables): Do not cache
165 For register promoted symbols, mark their former
166 partition for renaming.
167 (maybe_create_global_var): Only create .GLOBAL_VAR if
168 there are no call-clobbered variables and a mix of pure
169 and non-pure functions were found.
170 (may_alias_p): Tidy comments.
171 (create_tag_raw): Remove unused variable new_type.
172 (dump_alias_info): call dump_memory_partitions.
173 (dump_points_to_info_for): Call dump_decl_set.
174 (may_be_aliased): Tidy comments and formatting.
176 * timevar.def (TV_MEMORY_PARTITIONING): Define.
177 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
178 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
180 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
181 * tree-vect-transform.c (vect_transform_loop): Call
182 mark_set_for_renaming with vect_memsyms_to_rename.
183 * tree-flow-inline.h (zero_imm_uses_p): New.
184 (memory_partition): New.
185 (set_memory_partition): New.
186 (factoring_name_p): New.
187 (symbol_mem_tag): New. Update every function that used
188 to access the annotation directly.
189 (set_symbol_mem_tag): Likewise.
191 * tree-ssa-copy.c (may_propagate_copy): Allow copies
192 between a partition and a symbol as long as the symbol
193 belongs to the partition.
194 (merge_alias_info): Ignore merge requests when memory
195 partitions are involved.
197 * tree-ssa.c (verify_ssa_name): Check that default
198 definitions have empty defining statements.
199 (verify_use): Remove argument IS_VIRTUAL.
200 Don't call verify_ssa_name.
201 (verify_phi_args): Call verify_ssa_name.
202 (verify_flow_insensitive_alias_info): Handle MPTs.
203 (verify_flow_sensitive_alias_info): Likewise.
204 (verify_name_tags): Likewise.
205 (verify_call_clobbering): Likewise.
206 (verify_ssa): Check for VOPs only after aliasing
207 information is available.
208 Check virtuals and real operands separately.
209 Call verify_ssa_name on every operand.
210 (stmt_references_memory_p): Move to tree-ssa-operands.c.
211 (walk_use_def_chains_1): Guard against NULL PHI
214 * tree-ssa-operands.c (stmt_references_memory_p): Move from
217 (dump_memory_partitions): New.
218 (debug_memory_partitions): New.
220 * tree-flow.h (struct var_ann_d): Add field mpt.
221 (struct stmt_ann_d): Add bitfield references_memory.
222 * Makefile.in (tree-ssa-structalias.o): Include
224 (tree-ssa-alias.o): Likewise.
225 * tree-ssa-structalias.c: (update_alias_info): Use
226 STORED_SYMS to determine which variables are being
227 written to by the store operation.
228 * tree-ssa-structalias.h (struct alias_info)
229 <total_alias_vops>: Remove. Update all users.
230 <written_vars>: Change to a pointer set. Update all
232 <dereferenced_ptrs_store>: Likewise.
233 <dereferenced_ptrs_load>: Likewise.
234 (NUM_REFERENCES): Remove. Update all users.
235 (NUM_REFERENCES_CLEAR): Remove. Update all users.
236 (NUM_REFERENCES_INC): Remove. Update all users.
237 (NUM_REFERENCES_SET): Remove. Update all users.
239 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
241 (PARAM_MAX_ALIASED_VOPS): Set to 10.
242 * tree-ssanames.c (make_ssa_name): Initialize
243 SSA_NAME_IS_DEFAULT_DEF to 0.
245 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
247 * tree-ssa-dse.c (aggregate_vardecl_d): New.
248 (dse_global_data): Add aggregate_vardecl field.
249 (dse_possible_dead_store_p): New.
250 Add prev_defvar variable.
251 Allow immediate uses and previous immediate uses to differ
252 if they are setting different parts of the whole.
253 (get_aggregate_vardecl): New.
254 (dse_record_partial_aggregate_store): New.
255 (dse_whole_aggregate_clobbered_p): New.
256 (dse_partial_kill_p): New.
257 (dse_optimize_stmt): Abstract code checking a possible dead store
258 into new function dse_possible_dead_store_p().
259 Call dse_maybe_record_aggregate_store().
260 When checking whether a STMT and its USE_STMT refer to the
261 same memory address, check also for partial kills that clobber
263 Move some variable definitions to the block where they are used.
264 (aggregate_vardecl_hash): New.
265 (aggregate_vardecl_eq): New.
266 (aggregate_vardecl_free): New.
267 (aggregate_whole_store_p): New.
268 (tree_ssa_dse): Initialize and free aggregate_vardecl.
269 Mark which aggregate stores we care about.
271 2006-12-11 Andrew Macleod <amacleod@redhat.com>
273 * tree-ssa-operands.h (struct vuse_element_d): Declare.
274 (vuse_element_t): Declare.
275 (struct vuse_vec_d): Declare.
276 (vuse_vec_p): Declare.
277 (VUSE_VECT_NUM_ELEM): Define.
278 (VUSE_VECT_ELEMENT_NC): Define.
279 (VUSE_ELEMENT_PTR_NC): Define.
280 (VUSE_ELEMENT_VAR_NC): Define.
281 (VUSE_VECT_ELEMENT): Define.
282 (VUSE_ELEMENT_PTR): Define.
283 (VUSE_ELEMENT_VAR): Define.
284 (struct maydef_optype_d) <use_var>: Remove.
287 (struct vuse_optype_d) <kill_var>: Remove.
290 (struct mustdef_optype_d) <kill_var>: Remove.
293 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
294 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
297 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
298 (MAYDEF_OP): Add argument. Use VUSE_OP.
299 (MAYDEF_NUM): Define.
300 (MAYDEF_VECT): Define.
301 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
302 (MUSTDEF_KILL): Use VUSE_OP.
303 (MUSTDEF_NUM): Define.
304 (MUSTDEF_VECT): Define.
305 (realloc_maydef): Declare.
306 (realloc_vuse): Declare.
307 (struct ssa_operand_iterator_d) <vuse_index>: Add.
309 (LOADED_SYMS): Define.
310 (STORED_SYMS): Define.
311 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
312 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
314 * tree-pretty-print.c: Likewise.
315 * tree-ssa-dse.c: Likewise.
316 * tree-flow-inline.h: Likewise.
317 (op_iter_next_mustdef): New.
318 * tree-ssa-operands.c: Likewise.
319 (ALLOC_OPTYPE): Remove.
325 (alloc_mustdef): New.
326 (realloc_maydef): New.
329 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
331 * tree-ssa-operands.c: Remove build_v_must_defs.
332 (init_ssa_operands): Delete build_v_must_defs.
333 (finalize_ssa_v_must_def_ops): Remove.
334 (finalize_ssa_v_must_defs): Remove.
335 (finalize_ssa_stmt_operands): Do not call
336 finalize_ssa_v_must_defs.
337 (start_ssa_stmt_operands): Do not check build_v_must_defs.
338 (append_v_must_def): Delete.
339 (copy_virtual_operands): Do not copy V_MUST_DEFs.
340 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
341 comment. Remove opf_kill_def.
342 (build_ssa_operands): Remove references to v_must_defs.
343 (copy_virtual_operands): Same.
344 (copy_virtual_operands): Same.
345 (fini_ssa_operands): Same.
346 (free_ssa_operands): Same.
347 (add_mustdef_op): Remove.
348 Remove mustdef_optype_p.
349 (alloc_mustdef): Remove.
350 Remove references to V_MUST_DEFs in comment at top of file.
351 (get_expr_operands): Remove opf_kill_def.
352 (opf_kill_def): Remove.
353 (add_virtual_operand): Remove opf_kill_def.
354 (get_indirect_ref_operands): Same.
355 (get_tmr_operands): Same.
357 * tree-vectorizer.c (rename_variables_in_bb): Remove
360 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
362 (check_loop_closed_ssa_stmt): Same.
364 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
366 (verify_ssa): Remove V_MUST_DEFs traces.
367 (verify_ssa): Remove SSA_OP_ALL_KILLS.
369 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
371 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
372 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
374 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
376 (MUSTDEF_OPS): Remove.
377 (SSA_OP_VMUSTDEF): Remove.
378 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
379 (struct mustdef_optype_d): Remove.
380 Remove mustdef_optype_p.
381 (struct stmt_operands_d): Remove mustdef_ops.
382 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
383 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
384 (MUSTDEF_RESULT_PTR): Remove.
385 (MUSTDEF_RESULT): Remove.
386 (MUSTDEF_KILL_PTR): Remove.
387 (MUSTDEF_KILL): Remove.
388 (MUSTDEF_NUM): Remove.
389 (MUSTDEF_VECT): Remove.
390 (SSA_OP_VIRTUAL_KILLS): Remove.
391 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
392 (SSA_OP_VMUSTKILL): Remove.
393 (SSA_OP_ALL_KILLS): Remove.
394 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
396 * tree-flow-inline.h (op_iter_init_def): Remove
397 SSA_OP_VIRTUAL_KILLS.
398 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
400 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
401 SSA_OP_VIRTUAL_KILLS.
403 * tree-ssa-loop-im.c (determine_max_movement): Remove
404 SSA_OP_VIRTUAL_KILLS.
405 (gather_mem_refs_stmt): Same.
406 (gather_mem_refs_stmt): Same.
408 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
409 (perform_tree_ssa_dce): Remove call to
410 mark_really_necessary_kill_operand_phis.
412 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
414 (op_iter_next_use): Do not check mustkills.
415 (op_iter_next_def): Do not check mustdefs.
416 (op_iter_next_tree): Do not check mustkills or mustdefs.
417 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
418 (op_iter_next_maymustdef): Do not check mustkills.
419 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
420 (op_iter_init_mustdef): Remove.
422 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
425 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
427 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
428 (visit_assignment): Same.
430 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
432 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
434 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
436 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
437 Remove kill_p variable.
439 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
440 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
441 (collect_dfa_stats_r): Do not set num_v_must_defs.
442 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
445 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
448 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
449 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
451 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
454 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
456 PR rtl-optimization/30113
457 * loop-iv.c (implies_p): Require the mode of the operands to be
460 2006-12-11 Diego Novillo <dnovillo@redhat.com>
462 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
463 Rename from create_ssa_artficial_load_stmt. Update all users.
464 * tree-into-ssa.c (register_new_def): Make static.
465 * tree.c (is_global_var): Handle SSA_NAMEs.
466 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
467 that used to call gimple_default_def.
468 * tree-ssa-operands.c (push_stmt_changes): New.
469 (pop_stmt_changes): New. Update every pass that modifies
470 statements to bracket modifications with
471 push_stmt_changes/pop_stmt_changes.
472 (discard_stmt_changes): New.
473 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
474 'tree *' instead of 'tree'. Update all users.
475 * tree-flow-inline.h (zero_imm_uses_p): New.
476 (symbol_mem_tag): New. Update every function that used
477 to access the annotation directly.
478 (set_symbol_mem_tag): Likewise.
479 * tree-dfa.c (dump_variable): Always show the escape mask.
480 (mark_symbols_for_renaming): Rename from
481 mark_new_vars_to_rename. Update all users.
482 Only mark to rename naked symbols in real and virtual
485 2006-12-11 Andreas Schwab <schwab@suse.de>
487 * varasm.c (elf_record_gcc_switches): Cast second argument of
488 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
490 2006-12-11 Diego Novillo <dnovillo@redhat.com>
492 * tree-scalar-evolution.c (scev_const_prop):
493 * tree-phinodes.c (remove_phi_node): Add argument
494 RELEASE_LHS_P. If given, release the SSA name on the LHS of
497 * tree-ssa-dce.c: Remove forward declarations for static
498 functions. Re-arrange functions bodies as needed.
499 (find_obviously_necessary_stmts): Never mark PHI nodes as
502 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
504 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
506 2006-12-11 Jan Hubicka <jh@suse.cz>
508 * value-prof.c (tree_stringops_transform): New.
509 (tree_value_profile_transformations): Require count to be non-zero;
510 call stringop transform; reset stmt BSI after BB changed.
511 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
512 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
513 (tree_stringops_values_to_profile): New.
514 (tree_values_to_profile): Call tree_stringops_values_to_profile.
515 * tree.h (build_string_literal): Tidy prototype.
516 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
518 * builtins.c (validate_arglist, builtin_memset_read_str,
519 get_pointer_alignment): Export.
521 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
525 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
527 * config/i386/i386.opt: New target option -mx87regparm.
529 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
530 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
531 (X87_REGPARM_MAX): Define.
533 * config/i386/i386.c (override_options): Error out for
534 -mx87regparm but no 80387 support.
535 (ix86_attribute_table): Add x87regparm.
536 (ix86_handle_cconv_attribute): Update comments for x87regparm.
537 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
538 (ix86_function_x87regparm): New function.
539 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
541 (init_cumulative_args): Initialize x87_nregs and float_in_x87
543 (function_arg_advance): Process x87_nregs and x87_regno when
544 floating point argument is to be passed in 80387 register.
545 (function_arg): Pass XFmode arguments in 80387 registers for local
546 functions. Pass SFmode and DFmode arguments to local functions
547 in 80387 registers when flag_unsafe_math_optimizations is set.
549 * reg-stack.c (convert_regs_entry): Disable NaN load for
550 stack registers that are used for argument passing.
552 * doc/extend.texi: Document x87regparm function attribute.
553 * doc/invoke.texi: Document -mx87regparm.
555 2006-12-11 Jan Hubicka <jh@suse.cz>
557 Move all varpool routines out of cgraph/cgraphunit to varpool.c
558 * cgraph.c: Update comments.
559 (cgraph_varpool_hash,
560 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
561 cgraph_varpool_node_name, cgraph_varpool_node,
562 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
563 cgraph_variable_initializer_availability): Move to
564 varpool.c and drop cgraph_ prefixes.
565 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
566 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
567 move to varpool.c; drop cgraph_ prefix; make static.
568 (dump_cgraph_varpool_node): Move to varpool.c under name
570 (dump_varpool, hash_varpool_node, eq_varpool_node,
571 decide_is_variable_needed): Move to varpool.c
572 (decl_assembler_name_equal): Move to tree.c.
573 (availability_names): Rename to ...
574 (cgraph_availability_names): ... this one.
575 (dump_cgraph_node): Update.
576 * cgraph.h: Reorder declarations now in varpool.c
577 (cgraph_vailablity_names): Declare.
578 (struct cgraph_varpool_node): Rename to ...
579 (struct varpool_node): ... this one.
580 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
581 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
582 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
583 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
584 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
585 cgraph_variable_initializer_availability): Rename to ...
586 (varpool_first_unanalyzed_node, varpool_nodes_queue,
587 varpool_first_unanalyzed_node, varpool_node,
588 varpool_node_for_asm, varpool_mark_needed_node,
589 varpool_finalize_decl, varpool_enqueue_needed_node,
590 varpool_assemble_pending_decls, variable_initializer_availability):
592 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
593 * tree.h (decl_assembler_name_equal): Declare.
594 * omp-low.c (lower_omp_critical): Update.
595 * ipa-reference (analyze_variable, static_execute): Likewise.
596 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
597 * cgraphunit.c: Update comments.
598 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
599 varpool_assembled_nodes_queue.
600 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
601 varpool_analyze_pending_decls.
602 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
603 varpool_remove_unreferenced_decls.
604 (record_reference): Update.
605 (cgraph_create_edges): Update.
606 (record_referneces_in_initializer): New function.
607 (cgraph_varpool_assemble_decl): Move to varpool.c under name
608 varpool_assemble_decl; make global.
609 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
610 varpool_assemble_pending_decls.
611 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
612 struct cgraph_order_sort, cgraph_output_in_order,
613 cgraph_function_and_variable_invisibility, cgraph_optimize,
614 cgraph_increase_alignment): Update.
615 * dwarf2out.c (decls_for_scope): Likewise.
616 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
617 * except.c (output_ttype): Likewise.
618 * varasm.c (mark_decl_referenced): Likewise.
619 (find_decl_and_mark_referenced, assemble_alias): update.
620 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
621 * passes.c (rest_of_decl_compilation): Update.
623 2006-12-11 Ira Rosen <irar@il.ibm.com>
625 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
627 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
628 (vect_setup_realignment): Likewise.
630 2006-12-11 Sa Liu <saliu@de.ibm.com>
631 Ben Elliston <bje@au.ibm.com>
633 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
634 (ENDFILE_SPEC): Likewise.
635 * config/spu/spu.opt (mstdmain): New option.
636 * config/spu/crti.asm: Remove.
637 * config/spu/crtn.asm: Likewise.
638 * config/spu/crt0.c: Likewise.
639 * config/spu/crtend.c: Likewise.
640 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
642 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
643 * doc/invoke.texi (SPU Options): Document -mstdmain.
645 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
647 * doc/loop.texi: Document number_of_latch_executions and
648 number_of_cond_exit_executions.
649 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
650 chrec_is_positive, number_of_iterations_for_all_loops,
651 scev_const_prop): Use number_of_latch_executions.
652 (set_nb_iterations_in_loop): Do not increase the value of the
653 number of iterations.
654 (number_of_iterations_in_loop): Renamed to ...
655 (number_of_latch_executions): ... this.
656 (number_of_exit_cond_executions): New function.
657 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
659 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
660 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
661 number_of_latch_executions.
662 * tree-data-ref.c (get_number_of_iters_for_loop): Use
663 number_of_exit_cond_executions.
664 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
665 * cfgloop.h (struct loop): Improve description of the nb_iterations
668 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
670 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
671 (tree_pointer_compare): Remove.
673 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
675 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
676 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
677 * tree-loop-linear.c (linear_transform_loops): Ditto.
678 * tree-ssa-loop-im.c (determine_lsm): Ditto.
679 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
680 free_numbers_of_iterations_estimates): Ditto.
681 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
682 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
683 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
684 * modulo-sched.c (sms_schedule): Ditto.
685 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
686 tree_unroll_loops_completely): Ditto.
687 * predict.c (predict_loops): Ditto.
688 * tree-if-conv.c (main_tree_if_conversion): Ditto.
689 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
690 decide_unrolling_and_peeling): Ditto.
691 * cfgloopmanip.c (unloop): Use delete_loop.
692 (place_new_loop): Access larray vector instead of parray.
693 (create_preheaders, force_single_succ_latches,
694 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
695 * loop-doloop.c (doloop_optimize_loops): Ditto.
696 * loop-invariant.c (move_loop_invariants): Ditto.
697 * tree-cfg.c (replace_uses_by): Ditto.
698 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
699 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
701 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
703 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
704 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
705 get_loop and get_chrec_loop.
706 (number_of_iterations_for_all_loops): Use number_of_loops.
707 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
708 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
709 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
711 * tree-chrec.c (evolution_function_is_invariant_rec_p,
712 chrec_convert_1): Use get_loop and get_chrec_loop.
713 * loop-init.c (loop_optimizer_init): Use number_of_loops.
714 (loop_optimizer_init): Use FOR_EACH_LOOP.
715 * tree-vectorizer.c (vect_loops_num): Removed.
716 (vectorize_loops): Store number of loops locally. Use
717 FOR_EACH_LOOP and get_loop.
718 * tree-vectorizer.h (vect_loops_num): Removed.
719 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
720 (find_data_references_in_loop): Do not set parallel_p.
721 * tree-data-ref.h: Do not declare VEC(loop_p).
722 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
723 verify_loop_structure): Use FOR_EACH_LOOP.
724 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
725 (initialize_loops_parallel_p): Removed.
726 (flow_loops_find): Push the loops into a vector.
727 (delete_loop): New function.
728 (cancel_loop): Use delete_loop.
729 * cfgloop.h: Declare VEC(loop_p).
730 (struct loop): Remove parallel_p field.
731 (struct loops): Replace num and parray field by larray vector.
732 Remove shared_headers field.
733 (delete_loop): Declare.
734 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
736 * doc/loop.tex: Document new accessor functions.
738 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
740 * common.opt (-ftree-lrs): Remove live range splitting option.
741 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
742 * opts.c (decode_options): Remove flag_tree_live_range_split.
743 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
744 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
745 * tree-outof-ssa.c: Remove header files which aren't needed.
746 (SSANORM_*): Remove flags.
747 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
748 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
749 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
750 (assign_vars): Use Basevar instead of root_var structure.
751 (replace_def_variable): Dont do anything if def is replaceable.
752 (remove_ssa_form): Integrate functional changes.
753 (rewrite_out_of_ssa): Remove live-range_split option.
754 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
755 (coalesce_cost): Calculate the cost of a coalesce.
756 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
757 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
758 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
759 (pop_best_coalesce): Remove the best coalesce from the list.
760 (coalesce_pair_map_hash): Calculate coalesce pair hash.
761 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
762 (create_coalesce_list): Create a coalesce list object.
763 (delete_coalesce_list): Free a coalesce list object.
764 (find_coalesce_pair): Find matching pair in the coalesce list.
765 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
766 (add_coalesce): Add a coalesce to the coalesce list.
767 (compare_pairs): Comparision function to determine pair sorted order.
768 (num_coalesce_pairs): Number of coalesced pairs.
769 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
770 Coalesce pair iterator functions.
771 (sort_coalesce_list): Sort coalesce pairs in order of expense.
772 (dump_coalesce_list): Show coalesce list.
773 (ssa_conflicts_new): Create an SSA conflict graph.
774 (ssa_conflicts_delete): Delete an SSA conflict graph.
775 (ssa_conflicts_test_p): Test for conflicts.
776 (ssa_conflicts_add_one): Add a single conflict.
777 (ssa_conflicts_add): Add a conflict pair.
778 (ssa_conflicts_merge): Merge conflicts.
779 (struct live_track_d): Struct for tracking live partitions.
780 (new_live_track): Create new live_track object.
781 (delete_live_track): Delete a live_track object.
782 (live_track_remove_partition): Remove a partition from the live list.
783 (live_track_add_partition): Add a partition from the live list.
784 (live_track_clear_var): Take VAR from the live list.
785 (live_track_live_p): Is var live?
786 (live_track_process_use): Make var come alive.
787 (live_track_process_def): Make var go dead, add conflicts.
788 (live_track_init): Initialize to a live on exit set.
789 (live_track_clear_base_vars): Clear live partitions.
790 (build_ssa_conflict_graph): Build a conflict graph.
791 (print_exprs): Common debug output routine.
792 (abnormal_corrupt): Output info about a failed coalesce across an
794 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
795 (create_outofssa_var_map): Create a var map and coalesce list.
796 (attempt_coalesce): Coalesce a pair.
797 (coalesce_partitions): Coalesce all pairs in a coalesce list.
798 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
799 * tree-ssa-live.c: Remove header files which aren't needed.
800 (var_map_base_init): New. Initialize a basevar list.
801 (var_map_base_fini): New. Finish a basevar list.
802 (init_var_map): Initialize new fields.
803 (delete_var_map): Free new fields.
804 (var_union): Use renamed fields.
805 (compact_var_map): Remove.
806 (partition_to_view_init): Use renamed fields, change order of an if.
807 (partition_view_fini): Use renamed fields.
808 (partition_view_normal): Create basevar list if requested.
809 (partition_view_bitmap): Create a view based on a bitmap of partitions.
810 (change_partition_var): Use renamed fields.
811 (create_ssa_var_map): Remove.
812 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
813 root_var_init): Remove.
814 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
815 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
816 compare_pairs, num_coalesce_pairs, first_partition_pair,
817 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
818 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
819 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
820 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
821 (dump_var_map): Use renamed fields.
822 * tree-ssa-live.h (struct _var_map): Modify fields.
823 (partition_to_var, version_to_var, var_to_partition): Use renamed
825 (basevar_index): New. Index of the base variable of a partition.
826 (num_basevars): New. Number of unique base variables in partition map.
827 (register_ssa_partition): Use renamed fields.
828 (struct tree_partition_associator_d): Remove.
829 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
830 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
831 root_var, root_var_first_partition, root_var_next_partition,
832 root_var_dump, root_var_delete, root_var_remove_partition,
833 root_var_find, root_var_compact, root_var_decompact): Remove.
834 (struct partition_pair, struct coalesce_list_d): Moved to
836 * tree-ssa-ter.c: Remove header files which aren't needed.
838 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
840 * cse.c: (struct cse_basic_block_data): Remove LAST field.
841 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
843 (cse_visited_basic_blocks): New static bitmap.
844 (cse_end_of_basic_block, cse_basic_block): Remove.
845 (cse_find_path, cse_dump_path, cse_prescan_path,
846 cse_extended_basic_block): New static functions.
847 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
848 basic block boundaries. Don't record jump equivalences here.
849 Update the CFG after doing in-place replacement of the SET_SRC.
850 (cse_main): Rewrite. Look for extended basic block headers
851 and call cse_extended_basic_block on them until all paths that
852 start at this header are exhausted.
853 (rest_of_handle_cse): Verify that the CFG is incrementally updated
854 and correct after cse_main.
855 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
856 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
857 (pass_cse): Add TODO_verify_flow.
858 (pass_cse2): Likewise.
860 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
862 * reload1.c (choose_reload_regs): Don't set byte offset when
863 resolving subregs of hard regs.
865 2006-12-09 Zack Weinberg <zackw@panix.com>
867 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
868 suitable for the language, if set_yydebug is true.
869 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
870 YYDEBUG or declare yydebug.
871 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
873 2006-12-09 Jan Hubicka <jh@suse.cz>
875 * cgraph.c: Update copyright.
877 (cgraph_update_pending_function): Remove prototype.
878 * cgraphunit.c: Update copyright; update overall comment.
879 (cgraph_assemble_pending_functions): Make local.
881 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
883 * haifa-sched.c (schedule_block): Remove excessive sanity check.
885 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
887 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
889 (cpat_const_p, gen_cpat_const): Add.
890 * config/spu/spu.c (immediate_class): New enum.
891 (cpat_info, classify_immediate): New.
892 (print_operand): Use S, D, T instead of F, G, H. Use
893 classify_immediate. Handle cpat cases.
894 (spu_split_immediate): Renamed from spu_split_address. Split all
895 immediates that can be split.
896 (immediate_load_p): Use classify_immediate.
897 (spu_legitimate_constant_p): Accept everything except some cases of
899 (spu_expand_move): Use spu_split_immedate.
900 (fsmbi_const_p): Use classify_immediate.
902 (gen_cpat_const: New.
903 * config/spu/constraints.md (j,k,l): New constraints for cpat
905 * config/spu/spu.md (unnamed splitter): Change address splitter to
906 handle all immediates.
907 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
909 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
912 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
915 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
916 patterns. Correct length of high:DI instruction sequence.
918 2006-12-08 Mike Stump <mrs@apple.com>
920 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
921 libgcc with -mmacosx-version-min=10.4.
922 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
923 G4 for 10.5+ unless doing kernel builds.
925 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
928 * reg-stack.c (convert_regs_entry): Mark current argument passing
931 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
932 of float arguments in x87 registers.
934 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
936 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
938 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
940 * recog.c (mode_dependent_address_p): Identify pre-increment,
941 pre-decrement, post-increment and post-decrement addressing as always
942 being mode-dependent.
943 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
944 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
945 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
946 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
947 PRE_INC and POST_INC checks.
948 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
949 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
950 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
951 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
952 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
953 PRE_INC, POST_DEC and POST_INC cases.
954 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
955 Delete POST_INC and PRE_DEC cases.
956 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
958 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
959 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
961 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
962 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
963 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
964 PRE_INC and PRE_DEC cases.
965 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
966 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
967 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
968 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
969 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
970 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
971 auto-increment cases.
972 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
973 auto-increment cases.
974 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
976 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
978 * Makefile.in: Add new file tree-ssa-ter.c.
979 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
980 free_temp_expr_table, add_value_to_version_list,
981 add_value_to_partition_list, remove_value_from_partition_list,
982 add_dependence, check_replaceable, finish_expr, mark_replaceable,
983 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
984 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
985 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
987 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
988 (struct value_expr_d): Remove.
989 (struct temp_expr_table_d): Rename fields, add explicit vector of
990 replaceable expressions instead of sharing. Change value_expr_p's to
991 bitmap. Delete free_list.
992 (new_temp_expr_table): Rename fields, count number of ssa_names in
994 (free_temp_expr_table): Rename field, free new fields.
995 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
996 add_info_to_list, remove_value_from_list): Delete.
997 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
998 (make_dependent_on_partition): New. Set bit in version list, allocating
1000 (add_to_partition_kill_list): New. Set bit in the partition list,
1001 allocating a bitmap if need be.
1002 (remove_from_partition_kill_list): New. Remove a bit from the
1003 partition list, free the bitmap if it is empty.
1004 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1005 on partitions with only one member.
1006 (is_replaceable_p): New. Split out replaceability check from
1008 (process_replaceable): New. Code split from check_replaceable.
1009 (check_replaceable): Removed.
1010 (finished_with_expr): Renamed from finish_expr.
1011 (kill_expr): Use renamed fields and less parameters.
1012 (kill_virtual_exprs): Less parameters.
1013 (mark_replaceable): Use renamed fields.
1014 (find_replaceable_in_bb): Use renamed fields, cleanup.
1015 (find_replaceable_exprs): Use renamed routines, cleanup.
1016 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1017 (debug_ter): New. Debug routine to dump state.
1019 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1021 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1022 anything involving the GOT.
1023 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1024 (trapping_loads_p): Look inside the pattern of an insn to find the
1026 * config/bfin/bfin.md (attr "type"): Add movcc.
1027 (insn_reservation "alu"): Likewise.
1028 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1030 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1032 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1033 (spu_resolve_overloaded_builtin): Check for non scalar instead
1034 of vector type and check the function call argument type also for
1036 Call build_function_call instead of spu_build_overload_builtin.
1038 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1040 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1041 to the calls of hwint_to_const_double.
1043 2006-12-07 Nick Clifton <nickc@redhat.com>
1045 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1046 elf_record_gcc_switches.
1048 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1050 * expr.c (string_constant): Account for non-zero lower bound arrays.
1052 2006-12-07 Richard Guenther <rguenther@suse.de>
1054 * builtins.c (expand_builtin_pow): Adjust predicates for
1055 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1058 2006-12-07 Jan Hubicka <jh@suse.cz>
1060 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1063 2006-12-07 Jan Hubicka <jh@suse.cz>
1065 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1066 use fold_constant_to_binary; tolerate wrong type constants.
1067 (value_intersect_p): Do just two tests.
1069 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1071 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1072 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1073 lshifthi3): Use it, and fix the order of alternatives.
1075 2006-12-07 Nick Clifton <nickc@redhat.com>
1077 * common.opt (record-gcc-switches): New command line switch.
1078 * target.h (print_switch_type): New enum.
1079 (print_switch_fn_type): New typedef for a function pointer.
1080 (struct gcc_target): Add record_gcc_switches and
1081 record_gcc_switches_section fields.
1082 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1084 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1086 * toplev.c (print_single_switch): Simplify by providing a
1087 pointer to function that will format and output the switch
1089 (print_switch_values): Likewise.
1090 (print_to_asm_out_file): New function.
1091 (print_to_stderr): New function.
1092 (init_asm_output): If flag_record_gcc_switches is set then if
1093 the target supports recording the switches then emit them into
1094 the assembler output file, otherwise tell the user that the
1095 switch is not supported.
1096 * varasm.c (eld_record_gcc_switches): New function. Example
1097 handler for the record_gcc_switches target hook.
1098 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1100 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1101 * doc/invoke.texi (-frecord-gcc-switches): Document.
1103 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1106 * sched-rgn.c (add_block1): Use correct initializer.
1108 2006-12-07 Richard Guenther <rguenther@suse.de>
1110 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1111 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1113 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1116 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1117 not GIMPLE_MODIFY_STMT.
1119 2006-12-06 Jan Hubicka <jh@suse.cz>
1121 * tree-vrp.c (operand_less_p): New.
1122 (compare_values, value_inside_range): Rewrite in terms of
1125 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1127 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1129 (length_immediate): Do not depend on cld type attribute.
1130 (length_address): Ditto.
1133 (cld): Remove insn pattern.
1134 (strmov_singleop): Do not use DIRFLAG_REG.
1135 (*strmovdi_rex_1): Ditto.
1136 (*strmovsi_1): Ditto.
1137 (*strmovsi_rex_1): Ditto.
1138 (*strmovhi_1): Ditto.
1139 (*strmovhi_rex_1): Ditto.
1140 (*strmovqi_1): Ditto.
1141 (*strmovqi_rex_1): Ditto.
1143 (*rep_movdi_rex64): Ditto.
1144 (*rep_movsi): Ditto.
1145 (*rep_movsi_rex64): Ditto.
1146 (*rep_movqi): Ditto.
1147 (*rep_movqi_rex64): Ditto.
1148 (strset_singleop): Ditto.
1149 (*strsetdi_rex_1): Ditto.
1150 (*strsetsi_1): Ditto.
1151 (*strsetsi_rex_1): Ditto.
1152 (*strsethi_1): Ditto.
1153 (*strsethi_rex_1): Ditto.
1154 (*strsetqi_1): Ditto.
1155 (*strsetqi_rex_1): Ditto.
1157 (*rep_stosdi_rex64): Ditto.
1158 (*rep_stossi): Ditto.
1159 (*rep_stossi_rex64): Ditto.
1160 (*rep_stosqi): Ditto.
1161 (*rep_stosqi_rex64): Ditto.
1162 (cmpstrnsi): Do not generate cld insn.
1163 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1164 (*cmpstrnqi_nz_1): Ditto.
1165 (*cmpstrnqi_nz_rex_1): Ditto.
1166 (cmpstrnqi_1): Ditto.
1167 (*cmpstrnqi_1): Ditto.
1168 (*cmpstrnqi_rex_1): Ditto.
1169 (strlenqi_1): Ditto.
1170 (*strlenqi_1): Ditto.
1171 (*strlenqi_rex_1): Ditto.
1173 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1174 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1175 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1177 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1178 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1180 (k6_alux_only_load): Ditto.
1181 (k6_alux_only_store): Ditto.
1183 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1184 Do not emit cld instruction.
1185 (ix86_expand_setmem): Ditto.
1186 (ix86_expand_strlen): Do not emit cld instruction.
1188 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1190 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1193 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1195 * gdbinit.in: Set complaints to 0.
1197 2006-12-06 Jan Hubicka <jh@suse.cz>
1199 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1200 ALONE_MEM_STAT_DECL): New macros.
1201 * bitmap.h: Include statistics.h
1202 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1203 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1204 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1205 * bitmap.c: Include hashtab.h
1206 (bitmap_descriptor): New.
1207 (bitmap_hash): New static variable
1208 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1209 New static functions.
1210 (bitmap_register): New.
1211 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1212 bitmap_obstack_release): Do accounting.
1213 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1215 (bitmap_gc_alloc_stat): Likewise.
1216 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1217 (print_statistics, dump_bitmap_statistics): New functions.
1218 * toplev.c (finalize): Dump bitmap statistics.
1220 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1222 * reload1.c (delete_output_reload): Count occurrences in
1223 CALL_INSN_FUNCTION_USAGE.
1224 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1225 crashing at the end of the list.
1227 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1229 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1230 Optimize to avoid marking more SMT's as used when they aren't.
1232 2006-12-05 Eric Christopher <echristo@apple.com>
1234 * config/i386/i386.c (x86_output_aligned_bss): Move out
1235 of COMMON_ASM_OP ifdef.
1237 2006-12-05 Eric Christopher <echristo@apple.com>
1239 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1240 (STARTFILE_SPEC): Use.
1241 (DARWIN_DYLIB1_SPEC): New.
1242 (DARWIN_CRT1_SPEC): New.
1243 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1245 * config/i386/darwin.h: Ditto.
1246 * config/rs6000/darwin.h: Ditto.
1248 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1250 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1251 * tree-complex.c (pass_lower_complex): Ditto.
1252 * tree-ssa-ccp.c (pass_ccp): Ditto.
1253 (pass_store_ccp): Ditto.
1254 * tree-ssa-dom.c (pass_dominator): Ditto.
1255 (pass_phi_only_cprop): Ditto.
1256 * tree-sra.c (pass_sra): Ditto.
1257 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1258 * tree-flow.h (updating_used_alone): Remove.
1259 (updating_used_alone): Ditto.
1260 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1261 (lhs_may_store_to): Remove function.
1262 (recalculate_used_alone): Ditto.
1263 (compute_may_aliases): Remove used_alone calculation.
1264 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1265 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1266 * tree-pass.h (PROP_smt_usage): Remove.
1267 * passes.c (execute_todo): Remove used alone recalculation.
1268 (execute_one_pass): Ditto.
1269 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1272 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1274 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1276 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1278 PR tree-optimization/14784
1279 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1281 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1283 Merge from gimple-tuples-branch.
1285 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1287 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1289 (s390_gimplify_va_arg): Same.
1290 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1291 * config/sh/sh.c (sh_va_start): Same.
1292 (sh_gimplify_va_arg_expr): Same.
1293 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1294 (xtensa_gimplify_va_arg_expr): Same.
1295 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1296 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1297 * config/mips/mips.c (mips_va_start): Same.
1298 (mips_gimplify_va_arg_expr): Same.
1300 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1302 * Merge from mainline at revision 119445.
1304 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1306 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1308 (spu_gimplify_va_arg_expr): Same.
1310 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1312 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1313 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1314 (xstormy16_expand_builtin_va_arg): Same.
1316 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1318 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1319 to GIMPLE_MODIFY_STMT.
1321 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1323 * config/alpha/alpha.c (va_list_skip_additions): Change all
1324 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1325 (alpha_va_start): Same.
1326 (alpha_gimplify_va_arg_1): Same.
1327 (alpha_gimplify_va_arg): Same.
1329 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1331 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1333 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1335 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1336 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1338 * tree-complex.c: Same.
1339 * tree-pretty-print.c: Same.
1343 * fold-const.c: Same.
1344 * tree-ssa-dom.c: Same.
1345 * tree-ssa-propagate.c: Same.
1346 * tree-ssa-alias.c: Same.
1347 * gimple-low.c: Same.
1348 * dwarf2out.c: Same.
1349 * c-pretty-print.c: Same.
1351 * tree-inline.c: Same.
1352 * tree-outof-ssa.c: Same.
1353 * tree-ssa-structalias.c: Same.
1354 * tree-ssa-reassoc.c: Same.
1357 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1359 * tree.c (build2_stat): Fix comment.
1361 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1363 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1364 TREE_OPERAND when appropriate.
1366 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1368 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1369 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1370 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1371 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1372 not handle GIMPLE_MODIFY_STMT in the switch statement.
1373 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1374 (java_gimplify_new_array_init): Same.
1376 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1378 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1379 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1380 * fold-const.c (fold_binary): Allow gimple statements.
1382 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1383 Rename from gfc_conv_descriptor_data_set.
1384 Call gfc_add_modify instead of gfc_add_modify_expr.
1385 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1386 Rename from gfc_conv_descriptor_data_set.
1387 (gfc_conv_descriptor_data_set): New macro.
1388 (gfc_conv_descriptor_data_set_tuples): New macros.
1389 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1390 gfc_conv_descriptor_data_set_tuples.
1391 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1392 Generate GIMPLE_MODIFY_STMT when appropriate.
1393 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1394 (gfc_add_modify_expr): New macro.
1395 (gfc_add_modify_stmt): New macro.
1396 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1398 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1400 * Merge from mainline at revision 118200.
1402 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1404 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1407 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1409 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1411 Also, add __extension__ to GCC versions.
1412 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1413 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1416 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1418 * tree-complex.c (expand_complex_libcall): Adjust for
1420 (expand_complex_comparison): Same.
1421 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1422 GIMPLE_STMT_P statements.
1423 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1425 (tree_mod_pow2_value_transform): Same.
1426 (tree_mod_subtract_transform): Same.
1427 * tree.c (build2_stat): Check for gimplified function in cfun.
1428 * tree.h (DECL_GIMPLIFIED): Delete.
1429 (struct tree_function_decl): Remove gimplified_flag.
1430 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1431 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1432 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1433 (cxx_omp_clause_copy_ctor): Same.
1434 (cxx_omp_clause_assign_op): Same.
1435 * c-pretty-print.c (pp_c_conditional_expression): Same.
1436 (pp_c_expression): Same.
1437 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1438 * function.h (struct function): Add gimplified field.
1439 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1441 (find_phi_replacement_condition): Same.
1442 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1443 (gimplify_modify_expr_to_memset): Same.
1444 (gimplify_init_ctor_eval_range): Same.
1445 (gimplify_modify_expr_complex_part): Same.
1446 (tree_to_gimple_tuple): Same.
1447 (gimplify_modify_expr): Same.
1448 (gimple_push_cleanup): Same.
1449 (gimplify_omp_for): Same.
1450 (gimplify_omp_atomic_pipeline): Same.
1451 (gimplify_omp_atomic_mutex): Same.
1452 (gimplify_expr): Same.
1453 (gimplify_one_sizepos): Same.
1454 (gimplify_function_tree): Same.
1455 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
1456 (vect_recog_widen_sum_pattern): Same.
1457 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
1458 (vect_create_epilog_for_reduction): Same.
1459 (vectorizable_reduction): Same.
1461 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
1463 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
1464 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
1465 (ifc_temp_var): Same.
1466 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
1467 for gimple statements.
1468 (vect_analyze_operations): Same.
1469 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
1470 * gimplify.c (gimplify_return_expr): Handle gimple statements.
1471 * lambda-code.c (can_put_in_inner_loop): Same.
1472 (can_put_after_inner_loop): Same.
1473 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1474 (vect_create_data_ref_ptr): Same.
1475 (vect_init_vector): Same.
1476 (vect_get_vec_def_for_operand): Same.
1477 (vect_create_epilog_for_reduction): Same.
1478 (vectorizable_reduction): Same.
1479 (vectorizable_assignment): Same.
1480 (vectorizable_operation): Same.
1481 (vectorizable_load): Same.
1482 (vectorizable_condition): Same.
1483 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1484 (rs6000_gimplify_va_arg): Same.
1486 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1488 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1489 GIMPLE_STMT_OPERAND.
1490 (simplify_abs_using_ranges): Same.
1491 * tree-complex.c (expand_complex_operations_1): Use
1492 PROTECTED_TREE_OPERAND.
1493 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1495 (get_val_for): Use GIMPLE_STMT_OPERAND.
1496 * tree-tailcall.c (adjust_accumulator_values): Same.
1497 (adjust_return_value): Same.
1498 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1499 case. Remove special case for tcc_gimple_stmt.
1500 * tree.h (CAN_HAVE_LOCATION_P): New.
1501 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1503 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1504 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1505 * tree-nrv.c (execute_return_slot_opt): Same.
1506 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1507 * tree-vn.c (set_value_handle): Same.
1508 (get_value_handle): Same.
1509 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1510 * tree-vectorizer.c (find_loop_location): Same.
1511 * c-typeck.c (c_process_expr_stmt): Same.
1512 (c_finish_stmt_expr): Same.
1513 * gimplify.c (should_carry_locus_p): Same.
1514 (tree_to_gimple_tuple): Delete definition and use of unecessary
1515 variable save_tree_block.
1516 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1517 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1518 (realify_fake_stores): Same.
1519 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1521 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1522 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1523 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1524 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1525 (c_parser_statement_after_labels): Same.
1526 (c_parser_paren_condition): Same.
1527 (c_parser_for_statement): Same.
1528 (c_parser_omp_for_loop): Same.
1529 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1530 (linearize_expr_tree): Same.
1531 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1532 * function.c (instantiate_expr): Same.
1534 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1536 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1537 (set_expr_location): Same.
1539 (set_expr_locus): Same.
1540 (expr_filename): Same.
1541 (expr_lineno): Same.
1542 (tree_block): Use GIMPLE_STMT_BLOCK.
1543 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1544 * tree.h (struct gimple_stmt): Remove prev and next.
1545 (GIMPLE_STMT_OPERAND_CHECK): New.
1546 (TREE_TO_GIMPLE_STMT): Delete.
1547 (GIMPLE_STMT_TO_TREE): Delete.
1548 (GIMPLE_STMT_OPERAND): Use union, not cast.
1549 (GIMPLE_STMT_LOCUS): New.
1550 (GIMPLE_STMT_BLOCK): New.
1551 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1553 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1555 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1557 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1559 * tree-tailcall.c (adjust_return_value): Same.
1560 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1561 (copy_node_stat): Change common.base to base.
1562 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1563 Remove GIMPLE_STATEMENT_LIST case.
1564 * tree.h (struct gimple_stmt): Make operands of type tree.
1565 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1566 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1567 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1568 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1569 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1570 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1571 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1572 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1573 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1574 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1575 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1576 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1577 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1578 Change common.base to base.
1579 (GIMPLE_STATEMENT_LIST*): Remove.
1580 (union tree_node): Add base. Remove gimple_statement_list.
1581 Remove pointer from gstmt.
1582 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1583 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1584 * tree-vn.c (vn_compute): Change common.base to base.
1585 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1586 * tree-flow-inline.h (var_ann): Same.
1587 (function_ann): Same.
1589 (mark_non_addressable): Same.
1590 * gimplify.c (tree_to_gimple_tuple): Same.
1591 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1592 * tree-dfa.c (create_var_ann): Change common.base to base.
1593 (create_function_ann): Same.
1594 (create_stmt_ann): Same.
1595 (create_tree_ann): Same.
1596 (collect_dfa_stats_r): Same.
1597 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1598 * tree-ssa-dce.c (NECESSARY): Same.
1599 * tree-ssa.c (delete_tree_ssa): Same.
1600 * tree-optimize.c (execute_free_cfg_annotations): Same.
1601 * tree-flow.h: Same.
1603 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1605 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1606 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1608 * tree.h (struct gimple_stmt): Add prev and next fields.
1609 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1610 (GIMPLE_STATEMENT_LIST_HEAD): New.
1611 (GIMPLE_STATEMENT_LIST_TAIL): New.
1612 (struct gimple_statement_list): New.
1613 (union tree_node): Add gimple_stmt_list and gstmt.
1614 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1615 * tree.def: Add GIMPLE_STATEMENT_LIST.
1617 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1619 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1620 * tree-vrp.c (build_assert_expr_for): Change uses of
1621 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1622 (find_assert_locations): Same.
1623 (remove_range_assertions): Same.
1624 (stmt_interesting_for_vrp): Same.
1625 (vrp_visit_assignment): Same.
1626 (vrp_visit_stmt): Same.
1627 (simplify_cond_using_ranges): Same.
1628 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1630 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1631 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1633 (determine_invariantness_stmt): Same.
1634 (schedule_sm): Same.
1635 (gather_mem_refs_stmt): Same.
1636 * tree-complex.c (init_dont_simulate_again): Same.
1637 (complex_visit_stmt): Same.
1638 (set_component_ssa_name): Same.
1639 (expand_complex_move): Same.
1640 (expand_complex_div_wide): Same.
1641 (expand_complex_comparison): Same.
1642 (expand_complex_operations_1): Same.
1643 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
1644 (chain_of_csts_start): Same.
1645 (infer_loop_bounds_from_undefined): Same.
1646 * tree-pretty-print.c (dump_generic_node): Same.
1648 (op_symbol_1): Same.
1649 * tree-ssa-loop-manip.c (create_iv): Same.
1650 * value-prof.c (tree_divmod_fixed_value): Same.
1651 (tree_divmod_fixed_value_transform): Same.
1652 (tree_mod_pow2): Same.
1653 (tree_mod_pow2_value_transform): Same.
1654 (tree_mod_subtract): Same.
1655 (tree_mod_subtract_transform): Same.
1656 (tree_divmod_values_to_profile): Same.
1657 * tree-tailcall.c (process_assignment): Same.
1658 (find_tail_calls): Same.
1659 (adjust_accumulator_values): Same.
1660 (adjust_return_value): Same.
1661 (eliminate_tail_call): Same.
1662 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
1663 (make_node_stat): Same.
1664 (copy_node_stat): Handle gimple tuples.
1665 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
1666 (tree_node_structure): Handle tcc_gimple_stmt.
1667 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1669 (build2_gimple_stat): New.
1670 (expr_location): New.
1671 (set_expr_location): New.
1672 (expr_has_location): New.
1674 (set_expr_locus): New.
1675 (expr_filename): New.
1677 (walk_tree): Handle tcc_gimple_stmt.
1679 (protected_tree_operand): New.
1680 (protected_tree_type): New.
1681 (tree_code_kind): Add gimple statements.
1682 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1683 (IS_GIMPLE_STMT_CODE_CLASS): New.
1684 (struct tree_base): New.
1685 (struct tree_common): Shrink.
1686 (struct gimple_stmt): New.
1687 (struct gimple_expr): New.
1688 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1689 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1690 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1691 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1692 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1693 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1694 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1695 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1696 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1697 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1698 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1699 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1700 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1701 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1702 Adjust for new `common' layout.
1703 (struct tree_function_decl): Add gimplified_flag.
1704 (DECL_GIMPLIFIED): NEW.
1705 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1706 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1707 EXPR_HAS_LOCATION): Call corresponding function.
1708 (GIMPLE_STMT_CHECK): New.
1709 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1710 (TREE_BLOCK): Call tree_block.
1711 (GIMPLE_STMT_P): New.
1712 (GIMPLE_TUPLE_P): New.
1713 (TREE_TO_GIMPLE_STMT): New.
1714 (GIMPLE_STMT_TO_TREE): New.
1715 (GIMPLE_STMT_OPERAND): New.
1716 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
1717 (PROTECTED_TREE_OPERAND): New.
1718 (PROTECTED_TREE_TYPE): New.
1719 (build2_gimple_stat): Protoize.
1720 (build2_gimple): New.
1721 (expr_location): Protoize.
1722 (set_expr_location): Protoize.
1723 (expr_has_location): Protoize.
1724 (expr_locus): Protoize.
1725 (set_expr_locus): Protoize.
1726 (expr_filename): Protoize.
1727 (expr_lineno): Protoize.
1728 (tree_block): Protoize.
1729 (protected_tree_operand): Protoize.
1730 (protected_tree_type): Protoize.
1731 (enum tree_node_kind): Add gimple_stmt_kind.
1732 * c-decl.c (union lang_tree_node): Tuples do not have a
1734 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
1735 GIMPLE_MODIFY_STMT and adjust accordingly.
1736 * tree-scalar-evolution.c (follow_ssa_edge): Same.
1737 (interpret_condition_phi): Same.
1738 (pointer_used_p): Same.
1739 (analyze_scalar_evolution_1): Same.
1740 (scev_const_prop): Same.
1741 (interpret_rhs_modify_stmt): Rename from
1742 interpret_rhs_modify_expr.
1743 * builtins.c (std_expand_builtin_va_start): Change uses of
1744 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1745 (std_gimplify_va_arg_expr): Same.
1746 (expand_builtin_va_copy): Same.
1747 (integer_valued_real_p): Same.
1748 * fold-const.c (maybe_lvalue_p): Same.
1750 (tree_expr_nonnegative_p): Same.
1751 (tree_expr_nonzero_p): Same.
1752 * omp-low.c (extract_omp_for_data): Same.
1753 (lower_rec_input_clauses): Same.
1754 (lower_reduction_clauses): Same.
1755 (lower_copyprivate_clauses): Same.
1756 (lower_send_clauses): Same.
1757 (lower_send_shared_vars): Same.
1758 (expand_parallel_call): Same.
1759 (expand_omp_parallel): Same.
1760 (expand_omp_for_generic): Same.
1761 (expand_omp_for_static_nochunk): Same.
1762 (expand_omp_for_static_chunk): Same.
1763 (expand_omp_sections): Same.
1764 (lower_omp_single_copy): Same.
1765 (lower_omp_parallel): Same.
1766 * tree-ssa-dse.c (memory_address_same): Same.
1767 (dse_optimize_stmt): Same.
1768 * ipa-reference.c (scan_for_static_refs): Same.
1769 * tree-gimple.c (is_gimple_reg_rhs): Same.
1770 (get_call_expr_in): Same.
1771 (recalculate_side_effects): Same.
1772 * cgraphunit.c (cgraph_create_edges): Same.
1773 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
1774 * tree-ssa-ccp.c (get_default_value): Same.
1775 (likely_value): Same.
1776 (visit_assignment): Same.
1777 (ccp_visit_stmt): Same.
1778 (get_maxval_strlen): Same.
1779 (ccp_fold_builtin): Same.
1780 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
1781 (find_givs_in_stmt): Same.
1782 (find_interesting_uses_op): Same.
1783 (find_interesting_uses_stmt): Same.
1784 (rewrite_use_nonlinear_expr): Same.
1785 * ipa-pure-const.c (scan_function): Same.
1786 * tree-stdarg.c (va_list_counter_bump): Same.
1787 (check_all_va_list_escapes): Same.
1788 (execute_optimize_stdarg): Same.
1789 * tree-ssa-math-opts.c (compute_merit): Same.
1790 (insert_reciprocals): Same.
1791 (execute_cse_reciprocals): Same.
1792 * tree-ssa-dom.c (initialize_hash_element): Same.
1793 (simple_iv_increment_p): Same.
1794 (record_equivalences_from_stmt): Same.
1795 (optimize_stmt): Same.
1796 (remove_stmt_or_phi): Same.
1797 (get_rhs_or_phi_arg): Same.
1798 (get_lhs_or_phi_result): Same.
1799 (propagate_rhs_into_lhs): Same.
1800 * tree-nrv.c (tree_nrv): Same.
1801 (execute_return_slot_opt): Same.
1802 * tree-ssa-propagate.c (get_rhs): Same.
1804 (stmt_makes_single_load): Same.
1805 (stmt_makes_single_store): Same.
1806 (replace_vuses_in): Same.
1807 (fold_predicate_in): Same.
1808 (substitute_and_fold): Same.
1809 * tree-ssa-alias.c (compute_call_clobbered): Same.
1810 (recalculate_used_alone): Same.
1811 (count_uses_and_derefs): Same.
1812 (is_escape_site): Same.
1813 (find_used_portions): Same.
1814 * gimple-low.c (lower_stmt): Same.
1815 (block_may_fallthru): Same.
1816 (lower_return_expr): Same.
1817 * tree-ssa-sink.c (is_hidden_global_store): Same.
1818 (statement_sink_location): Same.
1819 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
1820 * expr.c (safe_from_p): Same.
1821 (expand_expr_real): Same.
1822 (expand_expr_real_1): Same.
1823 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
1824 * predict.c (expr_expected_value): Same.
1825 (strip_builtin_expect): Same.
1826 (apply_return_prediction): Same.
1827 (tree_bb_level_predictions): Same.
1828 (tree_estimate_probability): Same.
1829 * tree-vn.c (vn_compute): Same.
1830 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
1831 (remove_stmt_from_eh_region_fn): Same.
1832 (do_return_redirection): Same.
1833 (honor_protect_cleanup_actions): Same.
1834 (lower_try_finally_switch): Same.
1835 (lower_eh_constructs_1): Same.
1836 (tree_could_throw_p): Same.
1837 (verify_eh_throw_stmt_node): Same.
1838 * function.c (gimplify_parameters): Same.
1839 * tree-vectorizer.c (vect_is_simple_use): Same.
1840 (vect_is_simple_reduction): Same.
1841 * ipa-type-escape.c (scan_for_refs): Same.
1842 * tree-if-conv.c (tree_if_conversion): Same.
1843 (tree_if_convert_stmt): Same.
1844 (if_convertible_gimplify_modify_stmt_p): Rename from
1845 if_convertible_modify_expr_p.
1846 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
1847 (ifc_temp_var): Same.
1848 (replace_phi_with_cond_modify_stmt): Rename from
1849 replace_phi_with_cond_modify_expr.
1850 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
1851 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
1852 * tree-data-ref.c (find_data_references_in_loop): Adjust for
1854 * tree-flow-inline.h (var_ann): Same.
1855 (function_ann): Same.
1857 (mark_non_addressable): Same.
1858 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
1859 * gimplify.c (tree_to_gimple_tuple): New.
1860 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
1861 (gimplify_return_expr): Same.
1862 (gimplify_decl_expr): Same.
1863 (gimplify_self_mod_expr): Same.
1864 (gimplify_cond_expr): Same.
1865 (gimplify_init_constructor): Same.
1866 (gimplify_modify_expr): Same.
1867 (gimplify_expr): Same.
1868 (gimplify_function_tree): Same.
1869 (force_gimple_operand): Same.
1870 * tree-ssa-phiopt.c (conditional_replacement): Same.
1871 (minmax_replacement): Same.
1872 (abs_replacement): Same.
1873 * tree-dfa.c (create_var_ann): Same.
1874 (create_function_ann): Same.
1875 (create_stmt_ann): Same.
1876 (create_tree_ann): Same.
1877 (collect_dfa_stats_r): Same.
1878 * tree-ssa-pre.c (find_or_generate_expression): Same.
1879 (create_expression_by_pieces): Same.
1880 (try_look_through_load): Same.
1881 (insert_fake_stores): Same.
1882 (realify_fake_stores): Same.
1883 (compute_avail): Same.
1886 (poolify_modify_stmt): Rename from poolify_modify_stmt.
1887 Adjust for GIMPLE_MODIFY_STMT.
1888 (NECESSARY): Adjust for new `common' layout.
1889 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
1891 * tree-sra.c (sra_walk_modify_stmt): Rename from
1892 sra_walk_modify_expr.
1893 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
1894 (generate_copy_inout): Same.
1895 (generate_element_copy): Same.
1896 (generate_element_zero): Same.
1897 (scalarize_copy): Same.
1898 * tree-mudflap.c (mf_decl_cache_locals): Same.
1899 (mf_build_check_statement_for): Same.
1900 (mf_xform_derefs): Same.
1901 * ipa-prop.c (ipa_method_modify_stmt): Same.
1902 * print-tree.c (print_node): Handle gimple tuples.
1903 Add case for tcc_gimple_stmt.
1904 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
1906 (copy_prop_visit_assignment): Same.
1907 (copy_prop_visit_stmt): Same.
1908 (init_copy_prop): Same.
1909 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
1910 (forward_propagate_into_cond_1): Same.
1911 (find_equivalent_equality_comparison): Same.
1912 (tidy_after_forward_propagate_addr): Same.
1913 (forward_propagate_addr_expr_1): Same.
1914 (simplify_not_neg_expr): Same.
1915 (simplify_switch_expr): Same.
1916 * tree-ssa-dce.c (find_pdom): Same.
1917 (mark_stmt_if_obviously_necessary): Same.
1918 (NECESSARY): Adjust for new `common' layout.
1919 * tree-flow.h: Same.
1920 * tree-vect-patterns.c (widened_name_p): Adjust for
1922 (vect_recog_dot_prod_pattern): Same.
1923 (vect_recog_widen_sum_pattern): Same.
1924 (vect_pattern_recog_1): Same.
1925 * tree-nested.c (init_tmp_var): Same.
1926 (save_tmp_var): Same.
1928 (convert_call_expr): Same.
1929 (finalize_nesting_tree_1): Same.
1930 * tree-ssa.c (verify_ssa): Same.
1931 (delete_tree_ssa): Same.
1932 * lambda-code.c (lbv_to_gcc_expression): Same.
1933 (lle_to_gcc_expression): Same.
1934 (lambda_loopnest_to_gcc_loopnest): Same.
1935 (can_put_in_inner_loop): Same.
1936 (can_convert_to_perfect_nest): Same.
1937 (perfect_nestify): Same.
1938 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
1939 * tree-inline.c (copy_body_r): Same.
1940 (setup_one_parameter): Same.
1941 (initialize_inlined_parameters): Same.
1942 (estimate_num_insns_1): Same.
1943 (expand_call_inline): Same.
1944 (gimple_expand_calls_inline): Same.
1945 (copy_tree_r): Same.
1946 * tree-optimize.c (execute_free_cfg_annotations): Same.
1947 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1948 (vect_align_data_ref): Same.
1949 (vect_create_data_ref_ptr): Same.
1950 (vect_init_vector): Same.
1951 (vect_create_epilog_for_reduction): Same.
1952 (vectorizable_reduction): Same.
1953 (vectorizable_assignment): Same.
1954 (vectorizable_operation): Same.
1955 (vectorizable_store): Same.
1956 (vectorizable_load): Same.
1957 (vectorizable_live_operation): Same.
1958 (vectorizable_condition): Same.
1959 (vect_generate_tmps_on_preheader): Same.
1960 (vect_create_cond_for_align_checks): Same.
1961 * tree-object-size.c (collect_object_sizes_for): Same.
1962 (check_for_plus_in_loops_1): Same.
1963 (check_for_plus_in_loops): Same.
1964 * tree-outof-ssa.c (insert_copy_on_edge): Same.
1965 (replace_use_variable): Same.
1966 (check_replaceable): Same.
1967 (rewrite_trees): Same.
1968 (identical_copies_p): Same.
1969 (insert_backedge_copies): Same.
1970 * tree-profile.c (tree_gen_edge_profiler): Same.
1971 * tree-vect-generic.c (expand_vector_operations_1): Same.
1972 * tree-ssa-structalias.c (update_alias_info): Same.
1973 (find_func_aliases): Same.
1974 * tree-cfg.c (factor_computed_gotos): Same.
1976 (make_goto_expr_edges): Same.
1977 (tree_merge_blocks): Same.
1978 (remove_useless_stmts_cond): Same.
1979 (remove_useless_stmts_1): Same.
1980 (tree_find_edge_insert_loc): Same.
1981 (verify_expr): Same.
1982 (gimplify_val): Same.
1983 (verify_gimple_tuples_1): New.
1984 (verify_gimple_tuples): New.
1985 (verify_stmts): Call verify_gimple_tuples.
1986 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
1987 (get_unary_op): Same.
1988 (linearize_expr): Same.
1989 (get_single_immediate_use): Same.
1990 (negate_value): Same.
1991 (should_break_up_subtract): Same.
1992 (break_up_subtract): Same.
1993 (repropagate_negates): Same.
1994 (break_up_subtract_bb): Same.
1995 (reassociate_bb): Same.
1996 * config/i386/i386.c (ix86_va_start): Same.
1997 (ix86_gimplify_va_arg): Same.
1998 * stmt.c (expand_expr_stmt): Same.
1999 (warn_if_unused_value): Same.
2000 (expand_return): Same.
2001 * tree-ssanames.c (make_ssa_name): Same.
2002 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2003 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2004 (add_virtual_operand): Same.
2005 (get_expr_operands): Same.
2006 (parse_ssa_operands): Same.
2007 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2009 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2011 * config.host: Remove extra blank line.
2013 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2015 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2016 target is also an x86 variant.
2018 2006-12-05 Richard Guenther <rguenther@suse.de>
2020 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2021 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2022 (ix86_builtin_vectorized_function): New function to vectorize
2025 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2027 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2028 ia64_override_options.
2030 2006-12-04 Jan Hubicka <jh@suse.cz>
2032 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2035 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2037 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2038 * config/bfin/bfin.c: Include "timevar.h".
2039 (bfin_flag_schedule_insns2, splitting_for_sched,
2040 bfin_flag_var_tracking): New variables.
2041 (print_operand): Handle '%!'.
2042 (override_options): Disable normal sched2 pass, instead set
2043 bfin_flag_schedule_insns2 for reorg to handle it.
2044 (output_file_start): Likewise for var-tracking.
2045 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2046 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2048 (bfin_reorg): Do second scheduling pass here, and call
2049 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2050 of examining insns directly. If bfin_flag_var_tracking, call
2051 var-tracking pass when done with everything else.
2052 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2053 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2054 (movsi_insn32): New pattern, with two new splits to create it
2055 before the final scheduling pass.
2056 (neghi2): Not a dsp32 insn, rather alu0.
2057 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2058 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2059 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2060 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2061 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2062 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2063 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2064 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2065 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2066 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2067 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2068 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2069 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2070 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2071 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2072 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2073 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2074 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2075 variants instead of ';'.
2076 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2077 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2078 (align8, align16, align24): Now named patterns; also using '%!'.
2081 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2083 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2084 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2086 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2088 * config/spu/spu-protos.c (spu_split_address): Add.
2089 * config/spu/spu.c (spu_split_address): Add.
2090 (print_operand): Handle HIGH.
2091 (spu_legitimate_address): Don't test for aligned CONST.
2092 (spu_expand_mov): Don't split addresses here.
2093 * config/spu/constraints.md (A): Don't test legitimate_const.
2094 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2095 (ceq_di): Use correct predicates.
2097 2006-12-04 Eric Christopher <echristo@apple.com>
2099 * config/darwin.h: Update copyright notice.
2100 * config/i386/darwin.h: Ditto.
2102 2006-12-04 Jan Hubicka <jh@suse.cz>
2104 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2105 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2107 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2109 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2111 * tree-ssa-structalias.c (set_used_smts): Export.
2112 (find_what_p_points_to): Don't call set_used_smts here.
2113 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2115 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2117 * tree-ssa-alias.c (compute_may_aliases):
2118 Compute flow sensitive before flow insensitive.
2119 (compute_flow_sensitive_aliasing): Don't try to add
2120 a symbol memory tag to itself.
2122 * alias.h (alias_set_subset_of): New prototype.
2124 * alias.c (alias_set_subset_of): New function.
2126 * tree-ssa-structalias.c: Update comments.
2127 (struct variable_info): Add finished_solution.
2128 (new_varinfo): Set finished solution to NULL.
2129 (var_escaped_vars): Remove.
2130 (escaped_vars_tree): Remove.
2131 (escaped_vars_id): Remove.
2132 (nonlocal_vars_id): Remove.
2133 (constraint_expr_type): Add INCLUDES.
2134 (graph_size): Removed.
2135 (dump_constraint): Support INCLUDES.
2136 (build_constraint_graph): Ditto.
2137 (collapse_nodes): Add merge_solutions argument.
2138 Don't merge attributes.
2139 (process_unification_queue): Just use collapse_nodes.
2140 (perform_var_substitution): Update call to collapse_nodes.
2141 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2142 (process_constraint): Fix non-field sensitive handling
2144 (get_constraint_for): Use INCLUDES.
2145 (make_constraint_from_anything): Renamed from
2146 make_constraint_from_escaped.
2147 (make_constraint_to_escaped): Removed.
2148 (find_global_initializers): Removed.
2149 (create_variable_info_for): Do not make constraints to escaped
2151 (dump_solution_for_var): Don't print out the equivalent points-to
2152 sets, just use the name of the variable it shares it with.
2153 (intra_create_variable_infos): Use INCLUDES.
2154 Change nonlocal variable sets to anything sets.
2155 (init_base_vars): Remove escaped_vars and nonlocal_var
2157 (find_escape_constraints): Removed.
2158 (delete_points_to_sets): Remove dead code.
2159 (used_smt_calculated): New variable.
2160 (set_used_smts): New function.
2161 (merge_smts_into): New function.
2162 (find_what_p_points_to): Modify to use SMTs.
2163 (create_nonlocal_var): Remove.
2165 * tree-ssa-operands.c (access_can_touch_variable): Remove
2166 reference to nonlocal_all.
2168 * tree-ssa.c (verify_name_tags): Remove.
2170 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2172 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2173 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2175 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2177 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2178 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2179 (add_livein_if_notdef): Delete.
2180 (loe_visit_block): New. Propogate live on entry info for a block into
2181 each predecessor. If it changes, make sure it is visited again.
2182 (live_worklist): Visit every block and update the live on entry info
2183 for preds. Iterate over any that changed.
2184 (set_var_live_on_entry): Populate the live on entry blocks with bits
2185 based on the immediate uses of a var.
2186 (calculate_live_on_entry): Remove.
2187 (calculate_live_on_exit): Calculate live on exit based on the newly
2188 oriented live on entry bits.
2189 (calculate_live_ranges): Build live on entry and exit vectors.
2190 (dump_live_info): Use new orientation of live on entry bitmaps.
2191 (verify_live_on_entry): New. Split out verification code from old
2192 calculate_live_on_entry routine.
2193 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2194 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2195 basic_block instead of for a partition.
2196 (live_merge_and_clear): Add asserts.
2197 (make_live_on_entry): Set partition bit in basic block vector.
2199 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2202 * omp-low.c (expand_omp_for_static_nochunk,
2203 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2207 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2208 parallels if region->exit or region->inner->exit is NULL.
2209 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2211 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2212 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2213 or region->exit is NULL.
2214 (expand_omp_sections): Handle NULL region->cond or region->exit.
2217 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2219 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2220 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2222 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2224 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2225 TYPE_MAX_VALUE for scalar types here but...
2226 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2227 is attached an error mark, and the return value of the callback
2228 if it is not NULL_TREE.
2230 2006-12-04 Ben Elliston <bje@au.ibm.com>
2232 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2234 2006-12-03 Eric Christopher <echristo@apple.com>
2237 * config/t-slibgcc-darwin: Pass -install_name.
2238 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2239 libtool. Only pass through options that the linker recognizes.
2240 (LINK_SPEC): Update comment. Translate options.
2241 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2242 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2244 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2246 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2248 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2251 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2252 operands[1] in insn constraint. Correct type attribute to sselog1.
2254 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2257 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2259 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2260 processor detection.
2262 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2263 -march=native if there is no -mtune=*.
2265 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2268 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2270 * doc/install.texi: Update recommended MPFR version. Remove
2271 obsolete reference to cumulative patch.
2273 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2276 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2278 2006-11-30 Jan Hubicka <jh@suse.cz>
2279 Uros Bizjak <ubizjak@gmail.com>
2281 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2282 32bit memcpy/memset decriptors.
2283 (decide_alg): With -minline-all-stringops and sizes that are best
2284 to be copied via libcall still work hard enough to pick non-libcall
2287 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2289 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2291 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2292 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2293 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2294 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2295 config/spu/spu-c.c, config/spu/spu-modes.def,
2296 config/spu/spu.c, config/spu/spu.md,
2297 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2298 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2299 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2300 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2301 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2302 spelling conventions.
2304 * config/i386/i386.c: Fix a comment typo.
2306 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2308 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2309 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2310 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2311 better optimization.
2312 (floatv4siv4sf2): New.
2313 (fix_truncv4sfv4si2): New.
2314 (floatunsv4siv4sf2): New.
2315 (fixuns_truncv4sfv4si2): New.
2323 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2324 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2325 spu_resolve_overloaded_builtin instead of static inline functions.
2327 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2329 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2330 type instead of the size of its mode to compute the highest and
2331 lowest possible values. Still check the size of the mode before
2332 flipping the signedness of the comparison.
2334 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2336 * config/spu/predicates.md (spu_mov_operand): Add.
2337 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2338 (print_operand_address, print_operand): Handle addresses containing AND.
2339 (spu_split_load, spu_split_store): Use updated movti pattern.
2340 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2341 stores in mov patterns for correct operation of reload.
2342 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2344 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2347 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2349 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2351 * common.opt (ftree-combine-temps): Remove.
2352 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2353 (coalesce_ssa_name): Don't check for combine-temps.
2354 (coalesce_vars): Remove.
2355 (check_replaceable): Use num_imm_uses.
2356 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2357 check for combine-temps.
2358 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2359 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2360 to register_ssa_partition calls.
2361 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2362 (init_var_map, delete_var_map): remove refernces to ref_count.
2363 (create_ssa_var_map): Never calculate a ref count.
2364 (type_var_init): Remove.
2365 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2366 (SSA_VAR_MAP_REF_COUNT): Delete.
2367 (create_ssa_var_map): Change Prototype to have no parameters.
2368 (version_ref_count): Delete.
2369 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2371 (type_var_num, type_var, type_var_first_partition,
2372 type_var_next_partition, type_var_dump, type_var_delete,
2373 type_var_remove_partition, type_var_find, type_var_compact,
2374 type_var_decompact): Remove.
2376 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2378 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2381 2006-12-01 Richard Guenther <rguenther@suse.de>
2384 * dwarf2out.c (struct pubname_struct): Make name const.
2385 (add_pubtype): Do not xstrdup identifiers.
2387 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2389 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2390 multiword accesses are in range.
2392 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2394 PR tree-optimization/29921
2395 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2396 (set_lattice_value): Use canonicalize_float_value.
2398 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2400 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2401 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2402 (spu_cpu_cpp_builtins): Remove.
2403 (spu_override_options): Don't set warn_main.
2404 (spu_force_reg): Move from spu-c.c.
2405 (spu_check_builtin_parm): Likewise.
2406 (expand_builtin_args): Likewise.
2407 (spu_expand_builtin_1): Likewise.
2408 (spu_expand_builtin): Likewise.
2409 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2410 warn_main and targetm.resolve_overloaded_builtin.
2411 * config/spu/spu-c.c (spu_builtin_range): Remove.
2412 (spu_check_builtin_parm): Remove.
2413 (expand_builtin_args): Remove.
2414 (spu_expand_builtin_1): Remove.
2415 (spu_expand_builtin): Remove.
2416 (spu_cpu_cpp_builtins): Moved from spu.c
2417 (spu_force_reg): Remove.
2419 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2420 David Edelsohn <edelsohn@gnu.org>
2423 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2424 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2425 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2426 HARD_REGNO_NREGS_WITH_PADDING): Define.
2427 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2428 HARD_REGNO_NREGS_WITH_PADDING): Define.
2429 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2430 Use new macros to detect modes with holes; do not look at integer
2432 (subreg_offset_representable_p): Check for and disallow cases
2433 where the modes use different numbers of bits from registers.
2434 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2435 constant for soft-float.
2436 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2438 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2439 in E500 double case.
2440 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2441 (movtf_softfloat): New.
2443 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2445 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2446 simplify_gen_subreg.
2448 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2450 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
2451 (COALESCE_HASH_FN): New. Define hash function.
2452 (partition_pair_map_hash): New. Hash value for a partition pair.
2453 (partition_pair_map_eq): New. Equality for hash pairs.
2454 (create_coalesce_list): Create hash table.
2455 (delete_coalesce_list): Free hash table.
2456 (find_partition_pair): Find/create pairs in hash table.
2457 (compare_pairs): Sort pairs in ascending order now.
2458 (num_coalesce_pairs): New. Number of pairs in hash table.
2459 (struct partition_pair_iterator): Iterator struct for pair table.
2460 (first_partition_pair): Iterator function for first pair.
2461 (end_partition_pair_p): Iterator function for end of iteration.
2462 (next_partition_pair): Iterator function for next pair.
2463 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
2464 (sort_coalesce_list): Sort pairs from hash table into an array.
2465 (pop_best_coalesce): Take pairs from the array.
2466 (dump_coalesce_list): Update to use hash table or sorted array.
2467 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
2468 (struct coalesce_list_d): Add hash table related fields.
2470 2006-11-30 Jan Hubicka <jh@suse.cz>
2473 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
2474 memmove/bcopy->memcpy conversion.
2476 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
2478 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
2479 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
2480 Default is the largest alignment supported for 32-bit ELF and
2481 representable on a 32-bit host.
2483 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2485 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2487 2006-11-30 Jan Hubicka <jh@suse.cz>
2489 * tree-ssa-operands.h (struct ssa_operands): New.
2490 * tree-flow-inline.h (gimple_ssa_operands): New function.
2491 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2492 * Makefile.in: Remove gt-tree-ssa-operands.h
2493 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2494 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2495 operand_memory, operand_memory_index, ops_active): Remove statics.
2496 (ALLOC_OPTYPE): Update.
2497 (operand_build_sort_virtual): Update.
2498 (ssa_operands_active): Update.
2499 (init_ssa_operands): Update.
2500 (fini_ssa_operands): Update.
2501 (ssa_operand_alloc): Update.
2502 (INITIALIZE_USE): Update.
2503 (finalize_ssa_use_ops): Update.
2504 (finalize_ssa_v_may_def_ops): Update.
2505 (finalize_ssa_vuse_ops): Update.
2506 (finalize_ssa_v_must_def_ops): Update.
2508 2006-11-30 Richard Guenther <rguenther@suse.de>
2510 * tree-vectorizer.h (vectorizable_function): Export.
2511 * tree-vect-transform.c (vectorizable_function): Likewise.
2512 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2513 type_in to scalar type in recognition of squaring.
2514 Make sure the target can vectorize sqrt in recognition
2515 of sqrt, set type_in to vector type in this case.
2517 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2519 * config/i386/i386.md (R10_REG): New constant.
2520 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2521 (ix86_emit_restore_regs_using_mov): Ditto.
2522 (ix86_expand_call): Ditto.
2523 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2525 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2527 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2528 * alias.c (canon_true_dependence): Update comment.
2530 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2532 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2533 at the end of a diagnostics message.
2535 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2536 until after asserting that it was allocated in the right pool.
2538 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2539 successor edge information as well. Make output of live regs
2540 on exit consistent with live regs on entry.
2542 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2545 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2546 insn patterns for TARGET_80387.
2547 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2548 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2549 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2550 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2551 Generate truncxf<mode>2 insn patterns for strict SSE math.
2553 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2555 * config/i386/i386.md (movsf_1): Enable pattern for standard
2556 80387 constants before reload when optimizing for size.
2557 (*movdf_nointeger, *movdf_integer): Ditto.
2558 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2559 80387 constants before reload when not optimizing for size.
2561 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2562 extension of XFmode input operands.
2564 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2566 * config/spu/crt0.c (__dso_handle): Define.
2568 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2570 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2571 when clearing the used flags.
2573 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2575 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2577 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2580 * config/spu/spu.md (extend_compare<mode>): New pattern.
2581 (extend_compare): Change to expand and use the above pattern.
2583 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2585 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2587 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2588 (DFP_INIT_ROUNDMODE): Define.
2589 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2590 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2592 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2594 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2595 Update documentation.
2596 (associate_line_notes_with_blocks): Kill.
2597 (extend_bb): Remove basic block argument, put void instead.
2598 Remove line number handling for each bb.
2599 (save_line_notes): Kill.
2600 (restore_line_notes): Kill.
2601 (sched_init): Remove line_note_head initialization.
2602 Change extend_bb call.
2603 (sched_finish): Remove free of line_note_head.
2604 (add_block): Change extend_bb call.
2605 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2606 rm_line_notes and restore_line_notes calls.
2607 (schedule_ebbs): Remove rm_redundant_line_notes.
2608 * sched-int.h (struct haifa_insn_data): Remove line_note.
2609 (save_line_notes): Remove declaration.
2610 (restore_line_notes): Remove declaration.
2611 * modulo-sched.c (loop_canon_p): Update debug info printing
2612 by using insn locators instead of line note.
2613 (sms_schedule): Update debug info printing, by using insn
2614 locators instead of line note.
2615 * sched-rgn.c (debug_dependencies): Remove handling of case
2616 n>0 (line number), since it's a dead code.
2617 (schedule_region): Remove save_line_notes and
2618 restore_line_notes calls.
2620 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2622 * config/rs6000/predicates.md (gpc_reg_operand): Check
2623 invalid_e500_subreg.
2624 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2625 SImode subregs of SPE vectors.
2626 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2627 * jump.c (true_regnum): Require subregs to satisfy
2628 subreg_offset_representable_p.
2630 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2631 Steven Bosscher <stevenb.gcc@gmail.com>
2633 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
2634 since it no longer exists.
2636 2006-11-29 Duncan Sands <baldrick@free.fr>
2638 PR tree-optimization/23744
2639 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
2641 2006-11-29 Duncan Sands <baldrick@free.fr>
2643 PR tree-optimization/23744
2644 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
2646 2006-11-29 Duncan Sands <baldrick@free.fr>
2648 PR tree-optimization/23744
2649 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
2651 2006-11-29 Jie Zhang <jie.zhang@analog.com>
2653 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
2655 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
2657 * sh.opt (minline-ic_invalidate): New option.
2658 (musermode): Adjust comment.
2659 * sh.c (sh_initialize_trampoline): Emit library call unless
2660 is set; if it is set, don't emit library call if we can use icbi
2662 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
2663 icbi for TARGET_SH4_300.
2664 * t-sh (LIB1ASMFUNCS_CACHE): Set.
2665 * doc/invoke.texi: Document -minline-ic_invalidate; Update
2666 -musermode documentation.
2668 2006-11-29 Jim Tison <jtison@us.ibm.com>
2670 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2671 __gthread_recursive_mutex_init): Define.
2673 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2675 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2676 STRICT_ALIGNMENT and the type is more aligned than the saved
2677 registers, copy via a temporary.
2679 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2682 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2685 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2687 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2689 2006-11-28 Jan Hubicka <jh@suse.cz>
2691 Privatize SSA variables into gimple_df.
2692 * tree-flow-inline.h
2693 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2694 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2695 gimple_nonlocal_all): New accessors.
2696 (first_referenced_var): Update.
2697 (mark_stmt_modified): Update.
2698 (is_call_clobbered): Update.
2699 (mark_call_clobbered): Update.
2700 (clear_call_clobbered): Update.
2701 (mark_non_addressable): Update.
2702 * tree-vrp.c (get_value_range): Update.
2703 * tree-into-ssa.c (in_ssa_p): Kill.
2704 (get_default_def_for): Update.
2705 (rewrite_into_ssa): Update.
2706 * tree-complex.c (init_parameter_lattice_values): Update.
2707 (update_complex_assignment): Update.
2708 (update_parameter_components): Update.
2709 (expand_complex_libcall): Update.
2710 (expand_complex_operations_1): Update.
2711 * tree-tailcall.c (arg_needs_copy_p): Update.
2712 (add_virtual_phis): Update.
2713 (tree_optimize_tail_calls_1): Update.
2714 * tree-ssa-dse.c (memory_ssa_name_same): Update.
2715 * tree-ssa-copyrename.c
2716 (copy_rename_partition_coalesce): Update.
2717 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
2718 * tree-ssa-propagate.c (set_rhs): Update.
2719 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
2720 addressable_vars, global_var):Kill.
2721 (set_initial_properties): Update.
2722 (init_alias_info): Update.
2723 (finalize_ref_all_pointers): Update.
2724 (setup_pointers_and_addressables): Update.
2725 (maybe_create_global_var): Update.
2726 (create_global_var): Update.
2727 (dump_points_to_info): Update.
2728 * function.h (struct gimple_df): Forward declare.
2729 (struct function): Add GIMPLE_DF field.
2730 * gimplify.c (force_gimple_operand): Update.
2731 * tree-dfa.c (referenced_vars, default_defs): KIll.
2732 (make_rename_temp): Update.
2733 (dump_variable): Update.
2734 (referenced_var_lookup): Update.
2735 (referenced_var_check_and_insert): Update.
2736 (default_def): Rename to ...
2737 (gimple_default_def): ... this one; accept cfun argument.
2738 (set_default_def): Update.
2739 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
2740 (cleanup_control_flow): Update.
2741 * tree-ssa-pre.c (compute_avail): Update
2742 * tree-ssa-live.c (calculate_live_on_entry): Update.
2743 * tree-ssa.c (verify_use): Update.
2744 (verify_call_clobbering): Update.
2745 (verify_call_clobbering): Update.
2746 (init_tree_ssa): Update.
2747 (delete_tree_ssa): Update.
2748 * tree-outof-ssa.c (coalesce_ssa_name): Update.
2749 (rewrite_out_of_ssa): Update.
2750 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
2751 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
2753 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
2754 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
2755 addressable_vars, aliases_computed_p): Kill.
2756 (default_def): Rename to...
2757 (gimple_default_def): ... this one.
2758 (defaule_def_fn): Kill.
2759 (num_referenced_vars, ssa_names, num_ssa_names): Update.
2760 * tree-ssa-structalias.c (nonlocal_all): Kill.
2761 (get_constraint_exp_from_ssa_var): Update.
2762 (create_nonlocal_var): Update.
2763 (get_constraint_for): Update.
2764 (update_alias_info): Update.
2765 (find_global_initializers): Update.
2766 (intra_create_variable_infos): Update.
2767 (intra_create_variable_infos):
2768 (find_what_p_points_to): Update.
2769 (init_alias_heapvars): Update.
2770 * tree-cfg.c (remove_bb): Update.
2771 (gimplify_val): Update.
2772 * tree-ssa-reassoc.c (get_rank): Update.
2773 (init_reassoc): Update.
2774 * tree-ssanames.c: Do not include gt-tree-ssanames.h
2775 (ssa_names, free_ssanames): Kill.
2776 (init_ssanames): Update.
2777 (make_ssa_name): Update.
2778 (release_ssa_name): Update.
2779 (release_defs): Update.
2780 (replace_ssa_name_symbol): Update.
2781 * tree-ssa-operands.c (access_can_touch_variable): Update.
2782 (add_virtual_operand): Update.
2783 (add_call_clobber_ops): Update.
2784 (add_call_read_ops): Update.
2785 (get_call_expr_operands): Update.
2786 (get_asm_expr_operands): Update.
2788 2006-11-28 Jan Hubicka <jh@suse.cz>
2790 * builtins.c: Include tree-flow.h.
2791 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
2792 assignment; convert memmove to memcpy for sizes greater than 1 where
2793 alignment of operands prohibit the partial overlap.
2795 2006-11-28 Jan Hubicka <jh@suse.cz>
2797 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
2798 * cgraph.c (dump_cgraph_node): Dump stack usage.
2799 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
2800 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
2801 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
2802 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
2803 (cgraph_check_inline_limits): Limit stack growth.
2804 * cfgexpand.c: Include tree-inline.h.
2805 (account_stack_vars): New function.
2806 (expand_one_var): New param to just account the stack; return estimated
2808 (expand_used_vars_for_block): Update call of expand_one_var.
2809 (account_used_vars_for_block): New function.
2810 (estimated_stack_frame_size): Likewise.
2811 (init_vars_expansion, fini_vars_expansion): Break out from..
2812 (expand_used_vars): ... here.
2813 * tree-inline.h (estimated_stack_frame_size): Declare.
2814 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
2816 2006-11-28 Richard Guenther <rguenther@suse.de>
2818 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
2819 unsigned long for printing OBJECT_SIZE.
2821 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
2823 * alias.c (init_alias_analysis): Remove simplification loop
2824 after propagating pointers.
2826 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2828 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
2831 2006-11-27 Bob Wilson <bob.wilson@acm.org>
2833 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
2835 2006-11-27 Roger Sayle <roger@eyesopen.com>
2836 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2838 * c-common.c (constant_fits_type_p): Delete.
2839 (unsigned_conversion_warning): Delete.
2840 (conversion_warning): Integrate Wconversion warning from
2841 unsigned_conversion_warning.
2842 (convert_and_check): Integrate Woverflow warning from
2843 unsigned_conversion_warning. Reorganize and simplify to avoid
2844 dependence upon the middle-end setting TREE_OVERFLOW on integral
2845 conversions, by using int_fits_type_p directly.
2847 2006-11-27 Tobias Burnus <burnus@net-b.de>
2849 * doc/invoke.texi: Fixed typo.
2851 2006-11-27 Michael Matz <matz@suse.de>
2852 Andreas Krebbel <krebbel1@de.ibm.com>
2855 * config/s390/predicates.md (larl_operand): Check addend of larl
2856 operand to be in range of -/+2GB.
2857 * config/s390/s390.c (legitimize_pic_address): Likewise.
2858 Changed type of variable even to HOST_WIDE_INT.
2860 2006-11-27 Jan Hubicka <jh@suse.cz>
2862 * expr.c (emit_block_move_via_libcall): Export.
2863 (clear_storage_via_libcall): Rename to ...
2864 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
2865 (clear_storage): Update to set_storage_via_libcall.
2866 * expr.h (emit_block_move_via_libcall): Declare
2867 * config/i386/i386.h (stringop_alg): New enum.
2868 (MAX_STRINGOP_ALGS): New constant.
2869 (stringop_algs): New struct.
2870 (processor_costs): Add memcpy/memset descriptors.
2871 (TARGET_REP_MOVEL_OPTIMAL): Remove.
2872 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
2873 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
2875 * config/i386/i386.opt (minline-stringops-dynamically,
2876 mstringop-strategy): New
2878 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
2879 (ix86_expand-clrmem): Rename to ...
2880 (ix86_expand_setmem): ... this one; update prototype.
2881 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
2882 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2883 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
2884 nocona_cost, core2_cost, generic_cost, generic64_cost,
2885 generic32_cost): Add memcpy/memset descriptors.
2886 (x86_rep_movl_optimal): Remove.
2887 (stringop_alg): New static variable.
2888 (ix86_expand_aligntest): Handle predictions.
2889 (override_options): Add strgop_alg handling.
2890 (predict_jump): New function.
2891 (scale_counter): New function.
2892 (expand_set_or_movmem_via_loop): New function.
2893 (expand_movmem_via_rep_mov): New function.
2894 (expand_setmem_via_rep_stots): New function.
2895 (emit_strmov): New function.
2896 (expand_movmem_epilogue): New function.
2897 (expand_setmem_epilogue_via_loop): New function.
2898 (expand_setmem_epilogue): New function.
2899 (expand_movmem_prologue): New function.
2900 (expand_setmem_prologue): New function.
2901 (decide_alg): New function.
2902 (decide_alignment): New function.
2903 (ix86_exand_movmem): Rewrite.
2904 (promote_duplicated_reg): New function.
2905 (ix86_expand_clrmem): Rename to ...
2906 (ix86_expand_setmem): ... this one. Rewrite.
2908 * invoke.texi (minline-stringops-dynamically): New command line option.
2909 (mstringop-strategy): Likewise.
2911 2006-11-27 Jan Hubicka <jh@suse.cz>
2913 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
2914 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
2915 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
2916 * insn-notes.def (FUNCTION_END): Remove.
2917 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
2918 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
2920 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
2921 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
2922 * cfglayout.c (duplicate_insn_chain): Don't worry about
2925 2006-11-27 Richard Guenther <rguenther@suse.de>
2926 Zdenek Dvorak <dvorakz@suse.cz>
2928 * target.h (struct gcc_target): Add builtin_vectorized_function
2930 * target-def.h (TARGET_VECTORIZE): Likewise.
2931 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2932 Document new target hook.
2933 * targhooks.h (default_builtin_vectorized_function): Declare.
2934 * targhooks.c (default_builtin_vectorized_function): Define.
2935 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
2936 (vectorizable_call): Declare.
2937 * tree-vect-analyze.c (vect_analyze_operations): Call
2939 * tree-vect-transform.c (vectorizable_function): New static function.
2940 (build_vectorized_function_call): Likewise.
2941 (vectorizable_call): New function.
2942 (vect_transform_stmt): Handle vectorizable calls.
2944 2006-11-27 Richard Guenther <rguenther@suse.de>
2947 * builtins.c (expand_builtin_pow): Optimize non integer valued
2948 constant exponents using sqrt or cbrt if possible. Always fall back
2949 to expanding via optabs.
2951 2006-11-27 Ira Rosen <irar@il.ibm.com>
2953 PR tree-optimization/22372
2954 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
2955 the type of the base address.
2956 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
2957 it in the data-ref pointer creation.
2958 (vect_init_vector): Add an argument, type of the init vector. Use it in
2960 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
2961 (get_initial_def_for_reduction): Likewise.
2962 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
2964 (vectorizable_assignment, vect_permute_store_chain): Likewise.
2965 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
2966 correct type in stmt creation.
2967 (vect_setup_realignment): Use the correct type in stmt creation.
2968 (vect_permute_load_chain): Change type of MODIFY_EXPR to
2970 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
2971 of MODIFY_EXPR to void_type_node.
2972 (vectorizable_condition): Change type of MODIFY_EXPR to
2974 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
2977 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2980 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2981 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2982 standard 80387 constants, raise the cost to prevent
2983 compress_float_constant() to generate load from memory.
2985 * config/i386/i386.md: Add new splitter pattern to split
2986 float_extended load of constant from constant pool into
2989 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2991 * doc/install.texi: Move GMP/MPFR configure options from Fortran
2992 section to general section. Remove documentation for
2993 --with-mpfr-dir and --with-gmp-dir, add documentation for
2994 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
2997 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
2999 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3001 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3003 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3005 PR tree-optimization/29122
3006 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3007 for the new version. Assign NULL to DECL_RTL of the new version.
3009 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3011 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3013 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3015 * cse.c (cse_altered): Remove.
3016 (record_jump_equiv): Make true/false argument a bool instead
3018 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3019 where appropriate. Emit a new jump before the existing one
3020 instead of after so that delete_insn_and_edges removes the
3021 dead edges properly. Check any_condjump_p before calling
3023 (cse_basic_block): Check any_condjump_p before calling
3025 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3027 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3029 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3030 -ffixed-line-length-* options.
3032 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3034 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3035 (fprem1xf4): Rename to fprem1xf4_i387.
3037 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3038 Rename patterns to fmod<mode>3. Use general_operand operand
3039 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3040 patterns for SSE math.
3041 (remaindersf3, remainderdf3): Ditto.
3043 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3045 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3046 inside start_sequence / end_sequence pair.
3048 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3050 * jump.c (mark_all_labels): Work in cfglayout mode.
3051 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3052 when in cfglayout mode, because there are no dead jumptables
3054 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3056 (commit_edge_insertions): Do not allow insertion of instructions
3057 with control flow insns when in cfglayout mode.
3059 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3061 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3063 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3064 unswitch_loop): Ditto.
3065 * tree-loop-linear.c (linear_transform_loops): Ditto.
3066 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3067 tree_ssa_lim): Ditto.
3068 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3069 free_numbers_of_iterations_estimates): Ditto.
3070 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3071 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3072 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3073 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3074 place_new_loop, duplicate_loop, duplicate_subloops,
3075 update_single_exit_for_duplicated_loops, copy_loops_to,
3076 duplicate_loop_to_header_edge, create_preheaders,
3077 force_single_succ_latches, loop_version, fix_loop_structure):
3079 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3080 tree_unroll_loop): Ditto.
3081 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3082 * tree-scalar-evolution.c (select_loops_exit_conditions,
3083 scev_initialize, scev_analysis): Ditto.
3084 * tree-scalar-evolution.h (scev_initialize): Ditto.
3085 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3086 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3087 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3088 * modulo-sched.c (sms_schedule): Ditto.
3089 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3090 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3091 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3092 * ifcvt.c (if_convert): Ditto.
3093 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3094 canonicalize_loop_induction_variables,
3095 canonicalize_induction_variables,
3096 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3097 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3098 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3099 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3100 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3101 tree_ssa_loop_done): Ditto.
3102 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3103 estimate_bb_frequencies): Ditto.
3104 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3105 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3106 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3107 decide_unrolling_and_peeling, peel_loop_completely,
3108 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3109 peel_loop_simple, unroll_loop_stupid): Ditto.
3110 * loop-doloop.c (doloop_optimize_loops): Ditto.
3111 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3112 * loop-invariant.c (move_loop_invariants): Ditto.
3113 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3114 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3115 tree_ssa_prefetch_arrays): Ditto.
3116 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3118 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3119 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3120 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3121 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3122 verify_loop_structure): Ditto.
3123 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3124 canonicalize_induction_variables, tree_unroll_loops_completely,
3125 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3126 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3127 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3128 tree_unroll_loop, linear_transform_loops): Declaration changed.
3129 * basic-block.h: Remove declaration of struct loops.
3130 * cfghooks.h (struct cfg_hooks): Change type of
3131 cfg_hook_duplicate_loop_to_header_edge.
3132 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3133 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3134 vect_transform_loop): Declaration changed.
3135 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3136 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3137 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3138 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3139 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3140 loopify, loop_version, remove_path, unswitch_loops,
3141 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3142 Declaration changed.
3144 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3146 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3147 (X87MODEF): New mode macro.
3148 (ssemodefsuffix): New mode attribute.
3149 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3150 (sqrt_extend<mode>xf2_i387): New insn pattern.
3151 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3152 insn and truncate result back to original mode using
3153 UNSPEC_TRUNC_NOOP truncation.
3154 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3155 ssemodefsuffix mode attribute.
3156 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3157 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3158 (*sqrtextenddfxf2_i387): Remove insn patterns.
3160 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3161 truncation patterns.
3163 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3165 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3168 * c-tree.h (c_maybe_initialize_eh): New prototype.
3169 * c-decl.c (finish_decl): Move EH initialization...
3170 (c_maybe_initialize_eh): ... here. New function.
3171 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3172 if not #pragma omp atomic.
3175 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3176 or UNION_TYPE inner types.
3178 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3181 * ipa-pure-const.c (check_tree): If the original tree
3182 is volatile return early and say the function is not pure
3183 nor const. Remove the volatile check for writes.
3184 (analyze_function): Print out the result of the local
3187 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3189 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3191 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3192 * config/rs6000/rs6000.c (rs6000_override_options): Use
3193 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3196 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3198 * config/s390.c (s390_emit_compare_and_swap): New function.
3199 (s390_expand_cs_hqi, s390_expand_atomic): Call
3200 s390_emit_compare_and_swap.
3202 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3204 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3206 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3210 * c-common.c (conversion_warning): New.
3211 (convert_and_check): Call conversion_warning unless there is an
3213 * doc/invoke.texi (-Wconversion): Update description.
3215 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3217 * tree-ssa-alias.c (tree_pointer_compare): New function.
3218 (compact_name_tags): New function.
3219 (group_aliases): Call compact_name_tags.
3221 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3223 * real.h (real_isinteger): Declare.
3224 * real.c (real_isinteger): Define.
3225 * builtins.c (integer_valued_real_p): Use it.
3227 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3230 * c.opt (Wtraditional-conversion): New.
3231 (Wconversion): Update description.
3232 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3233 type conversions different from what would happen in the absence
3234 of prototype are now handled by Wtraditional-conversion.
3235 * doc/invoke.texi (Wtraditional-conversion): New.
3236 (Wconversion): Update description.
3237 * doc/trouble.texi (Wconversion): Replace Wconversion by
3238 Wtraditional-conversion.
3240 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3242 * predict.c (tree_estimate_probability): Check to make
3243 sure current_loops is non null before calling flow_loops_dump.
3245 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3247 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3249 2006-11-23 David Ung <davidu@mips.com>
3251 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3253 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3254 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3255 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3256 high part of FP register when in 64-bit FP register mode. Similarly
3257 use gen_mfhc1 to load high part of FP register.
3258 (override_options): Allow -mgp32 and -mfp64 combination if
3259 ISA_HAS_MXHC1 (currently for O32 only).
3260 (mips_cannot_change_mode_class): If floating-point registers are
3261 bigger than word size. disallow conversion of float register from a
3262 large integer mode to a float mode smaller than the float register
3264 (mips_class_max_nregs): Handle float registers case seperately.
3265 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3267 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3268 (movdf_hardfloat_32bit): Similarly.
3269 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3270 support a full 64-bit fpu.
3271 (mthc1): New pattern to generate MTHC1 instruction.
3272 (mfhc1): New pattern to generate MFHC1 instruction.
3273 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3274 option for the MIPS32R2 and mention its use under O32 ABI.
3276 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3278 * var-tracking.c (emit_note_insn_var_location): Take care not to
3279 cause verify_flow_info failures.
3281 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3283 * tree-ssa-structalias.c: Remove edge weights in favor of just
3284 processing them as complex constraints.
3285 (struct constraint_graph): Remove weighted succs and preds. Rename
3286 nonweighted succs and preds.
3287 (constraint_edge): Removed.
3288 (constraint_edge_t): Ditto.
3289 (constraint_edge_pool): Ditto.
3290 (new_constraint_edge): Ditto.
3291 (constraint_edge_equal): Ditto.
3292 (constraint_edge_less): Ditto.
3293 (constraint_edge_vec_find): Ditto.
3294 (erase_self_graph_edge): Ditto.
3295 (add_graph_edge): Removed.
3296 (get_graph_weights): Ditto.
3297 (allocate_graph_weights): Ditto.
3298 (valid_weighted_graph_edge): Ditto
3299 (bitmap_other_than_zero_bit_set): Ditto.
3300 (int_add_graph_edge): Renamed to add_graph_edge.
3301 (clear_edges_for_node): Remove support for weighted edges.
3302 (merge_graph_nodes): Ditto.
3303 (valid_graph_edge): Ditto.
3304 (build_constraint_graph): Ditto.
3306 (collapse_nodes): Ditto.
3307 (process_unification_queue): Ditto.
3308 (topo_visit): Ditto.
3309 (do_ds_constraint): Ditto.
3310 (perform_var_subsitution): Ditto.
3311 (solve_graph): Ditto.
3312 (init_alias_vars): Ditto.
3313 (delete_points_to_sets): Ditto.
3314 (do_complex_constraint): Support offsetted copies here.
3316 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3318 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3320 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3322 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3325 2006-11-23 Ben Elliston <bje@au.ibm.com>
3327 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3329 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3331 PR tree-optimization/29921
3332 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3333 signed and unsigned zero equal.
3335 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3337 * config/rs6000/rs6000.c (get_store_dest): New.
3338 (adjacent_mem_locations): Use get_store_dest() to get
3339 the rtl of the store destination.
3341 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3343 * config/rs6000/spe.md (SPE64): New mode macro.
3344 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3346 (mov_si<mode>_e500_subreg0_2): New.
3347 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3349 (mov_si<mode>_e500_subreg4_2): New.
3350 * config/rs6000/predicates.md (input_operand): Do not allow
3351 invalid E500 subregs.
3352 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3354 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3355 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3356 involving vector modes if TARGET_SPE.
3358 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3361 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3362 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3364 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3366 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3367 mem_i_address_operand): New predicates.
3368 * config/bfin/bfin.c (bfin_issue_rate): New function.
3369 (TARGET_SCHED_ISSUE_RATE): New macro.
3370 * config/bfin/bfin.md (addrtype): New attribute.
3371 (slot0, slot1, slot2, store, pregs): New cpu_units.
3372 (core): Now a define_reservation.
3373 (alu): Remove some insn types from this reservation.
3374 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3376 (dummy reservation): Don't trigger for mcld insns.
3377 (absence_sets): Two new absence sets to enforce slot ordering.
3378 (popsi_insn): Set addrtype.
3380 2006-11-22 Ira Rosen <irar@il.ibm.com>
3382 * doc/c-tree.texi: Document new tree codes.
3383 * doc/md.texi: Document new optabs.
3384 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3386 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3387 * optabs.h (optab_index): Add new.
3388 (vec_extract_even_optab, vec_extract_odd_optab,
3389 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3390 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3391 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3393 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3394 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3395 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3396 along with macros for their access.
3397 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3399 * tree-vect-analyze.c (toplev.h): Include.
3400 (vect_determine_vectorization_factor): Fix indentation.
3401 (vect_insert_into_interleaving_chain,
3402 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3403 (vect_analyze_data_ref_dependence): Add argument for interleaving
3404 check. Check for interleaving if it's true.
3405 (vect_check_dependences): New function.
3406 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3407 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3408 (vect_update_misalignment_for_peel): Update for interleaving.
3409 (vect_verify_datarefs_alignment): Check only first data-ref for
3411 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3412 only first data-ref for interleaving.
3413 (vect_analyze_data_ref_access): Check interleaving, update
3415 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3416 with different parameters.
3417 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3418 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3419 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3420 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3421 Update step in case of interleaving.
3422 (vect_strided_store_supported, vect_permute_store_chain): New
3424 (vectorizable_store): Handle strided stores.
3425 (vect_strided_load_supported, vect_permute_load_chain,
3426 vect_transform_strided_load): New functions.
3427 (vectorizable_load): Handle strided loads.
3428 (vect_transform_stmt): Add argument. Handle strided stores. Check
3429 that vectorized stmt exists for patterns.
3430 (vect_gen_niters_for_prolog_loop): Update calculation for
3432 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3433 whole chain vectorization.
3434 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3435 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3436 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3437 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3438 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3440 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3442 * cse.c (enum taken): Remove PATH_AROUND.
3443 (addr_affects_sp_p, invalidate_skipped_set,
3444 invalidate_skipped_block): Remove.
3445 (cse_end_of_basic_block): Remove skip_blocks and related code.
3446 (cse_main): Don't test for flag_cse_skip_blocks.
3447 Update cse_end_of_basic_block call.
3448 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3449 code to lengthen the path if a jump was simplified.
3451 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3453 PR rtl-optimization/29924
3454 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
3455 (unroll_loop_runtime_iterations): Assert that the argument passed to
3456 split_edge_and_insert is not NULL.
3457 * loop-doloop.c (add_test): Ditto.
3459 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3461 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
3463 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
3464 * cfgloopmanip.c (update_single_exits_after_duplication,
3465 update_single_exit_for_duplicated_loop, loop_version): Ditto.
3466 * tree-scalar-evolution.c (get_loop_exit_condition,
3467 get_exit_conditions_rec, loop_closed_phi_def,
3468 number_of_iterations_in_loop, scev_const_prop): Ditto.
3469 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
3470 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
3472 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3474 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3475 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
3476 slpeel_make_loop_iterate_ntimes,
3477 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
3478 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3480 * tree-if-conv.c (if_convertible_loop_p): Ditto.
3481 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
3482 vect_analyze_loop_form): Ditto.
3483 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3484 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3485 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3486 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3487 vect_transform_loop): Ditto.
3488 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3489 (single_exit, set_single_exit): New functions.
3490 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3491 (single_exit, set_single_exit): Declare.
3492 * doc/loop.texi: Undocument single_exit field. Document single_exit
3495 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3497 PR tree-optimization/29902
3498 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3499 any involved ssa name appears in abnormal phi node.
3501 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3503 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3504 (xtensa_const_ok_for_letter_p): Delete.
3505 (xtensa_extra_constraint): Delete.
3506 (override_options): Delete xtensa_char_to_class initialization.
3507 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3508 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3509 (EXTRA_CONSTRAINT): Delete.
3510 * config/xtensa/xtensa.md: Include constraints.md.
3511 (call_internal): Combine alternatives.
3512 (call_value_internal): Likewise, and remove invalid constraints.
3513 * config/xtensa/constraints.md: New file.
3514 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3515 (xtensa_extra_constraint): Delete.
3516 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3519 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3521 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3522 of conversion that doesn't fit.
3524 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3525 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3526 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3528 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3530 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3532 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3534 2006-11-21 Richard Guenther <rguenther@suse.de>
3536 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3537 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3538 vect_recog_pow_pattern.
3539 (vect_recog_pow_pattern): New function.
3541 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3543 * config/bfin/bfin.opt (mstack-check-l1): New.
3544 * doc/invoke.texi (Blackfin Options): Document it.
3545 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3546 stack bounds in L1 memory if the new option is enabled.
3547 (override_options): Don't allow combinations of -fstack-limit and
3549 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3552 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3554 (bfin_register_move_cost): Bump costs if trying to move plain
3555 integer values through accumulators.
3557 2006-11-21 Ben Elliston <bje@au.ibm.com>
3559 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3561 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3562 Russell Olsen <Russell_Olsen@playstation.sony.com>
3563 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3564 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3565 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3566 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3567 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3569 * config.gcc: Add target for SPU.
3570 * config/spu/constraints.md: New file.
3571 * config/spu/crt0.c: New file.
3572 * config/spu/crtend.c: New file.
3573 * config/spu/crti.asm: New file.
3574 * config/spu/crtn.asm: New file.
3575 * config/spu/float_unsdidf.c: New file.
3576 * config/spu/float_unssidf.c: New file.
3577 * config/spu/predicates.md: New file.
3578 * config/spu/spu-builtins.def: New file.
3579 * config/spu/spu-builtins.h: New file.
3580 * config/spu/spu-builtins.md: New file.
3581 * config/spu/spu-c.c: New file.
3582 * config/spu/spu-elf.h: New file.
3583 * config/spu/spu-modes.def: New file.
3584 * config/spu/spu-protos.h: New file.
3585 * config/spu/spu.c: New file.
3586 * config/spu/spu.h: New file.
3587 * config/spu/spu.md: New file.
3588 * config/spu/spu.opt: New file.
3589 * config/spu/spu_internals.h: New file.
3590 * config/spu/spu_intrinsics.h: New file.
3591 * config/spu/spu_mfcio.h: New file.
3592 * config/spu/t-spu-elf: New file.
3593 * config/spu/vec_types.h: New file.
3594 * config/spu/vmx2spu.h: New file.
3595 * doc/contrib.texi: Document SPU contributor.
3596 * doc/extend.texi: Document SPU extensions.
3597 * doc/invoke.texi: Document SPU options.
3598 * doc/md.texi: Document SPU constraints.
3600 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3602 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3604 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3606 (flow_loop_dump): Do not dump loop level.
3607 (flow_loops_find): Do not call flow_loops_level_compute.
3608 * cfgloop.h (struct loop): Remove level field.
3610 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3612 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3613 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3614 Use vector of edges instead of array.
3615 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3616 estimate_numbers_of_iterations_loop): Ditto.
3617 * predict.c (predict_loops): Ditto.
3618 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3619 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3621 * basic-block.h: Declare heap allocation for edge vectors.
3622 * tree-outof-ssa.c: Ditto.
3623 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3624 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3626 2006-11-20 Zack Weinberg <zackw@panix.com>
3628 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3629 Add another out parameter, "skip".
3630 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3631 is tagged "skip", do not mark its type used.
3633 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3636 * tree-sra.c (single_scalar_field_in_record_p): New function.
3637 (decide_block_copy): Use it.
3639 2006-11-20 David Daney <ddaney@avtrex.com>
3641 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3642 PC to point to following instruction.
3644 2006-11-20 Anatoly Sokolov <aesok@post.ru>
3648 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
3650 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
3652 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3654 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3655 Add sh/superh.h to tm_file.
3657 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
3658 Mark Mitchell <mark@codesourcery.com>
3660 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
3662 (cpp_relocated): New function.
3663 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
3665 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
3666 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3667 replace configured prefix with gcc_exec_prefix.
3669 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3671 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3672 bfin_legitimate_constant_p.
3673 * config/bfin/bfin.md (movsi expander): Check return value of
3675 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3676 (expand_move): Adjust prototype.
3677 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3678 invalid constants specially.
3679 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3681 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3683 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3684 sibcall_value_symbol): Allow these patterns if
3685 TARGET_LEAF_ID_SHARED_LIBRARY.
3686 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3687 (override_options): Turn on id shared library flags if -msep-data,
3688 but disallow the combination of these options on the command line.
3689 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3690 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3691 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3692 -mid-shared-library.
3693 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3694 * doc/invoke.texi (Blackfin Options): Document new switches.
3696 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3697 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3699 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3700 inflate costs for addresses with an out-of-bounds address.
3702 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3705 * fwprop.c (loops): Remove.
3706 (forward_propagate_into): Use current_loops instead of
3708 (fwprop_init): Call loop_optimizer_init instead of
3710 (fwprop_done): Call loop_optimizer_finalize instead of
3712 (fwprop): Use current_loops instead of loops.
3714 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
3717 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
3719 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3722 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
3723 larger than BITS_PER_WORD.
3725 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3729 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
3730 to MAX_FIXED_MODE_SIZE.
3732 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3734 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
3735 (fold_builtin_fmin_fmax): New.
3736 (fold_builtin_1): Use it.
3738 * fold-const.c (fold_strip_sign_ops): Handle copysign.
3740 2006-11-18 Richard Guenther <rguenther@suse.de>
3742 * config/i386/i386.c (ix86_builtins): New array for ix86
3743 builtin function decls.
3744 (def_builtin): New function.
3745 (def_builtin_const): Likewise.
3746 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
3748 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
3750 * doc/invoke.texi (core2): Add item.
3752 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
3754 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
3755 (TARGET_CPU_DEFAULT_generic): Change value.
3756 (TARGET_CPU_DEFAULT_NAMES): Add core2.
3757 (processor_type): Add new constant PROCESSOR_CORE2.
3759 * config/i386/i386.md (cpu): Add core2.
3761 * config/i386/i386.c (core2_cost): New initialized variable.
3762 (m_CORE2): New macro.
3763 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3764 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
3765 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3766 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3767 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3768 x86_accumulate_outgoing_args, x86_prologue_using_move,
3769 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3770 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
3771 x86_use_incdec, x86_four_jump_limit, x86_schedule,
3772 x86_pad_returns): Add m_CORE2.
3773 (override_options): Add entries for Core2.
3774 (ix86_issue_rate): Add case for Core2.
3776 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
3778 * doc/invoke.texi: Fix mno-isel typo.
3780 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3782 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
3783 easy vector constant loads.
3785 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3787 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
3788 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3789 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
3790 * config/rs6000/sync.md (lwsync): Emit plain sync if
3793 2006-11-17 DJ Delorie <dj@redhat.com>
3795 * reload1.c (reloads_unique_chain): New.
3796 (reloads_conflict): Call it.
3798 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3800 * config/xtensa/predicates.md (addsubx_operand): New.
3801 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
3802 (xtensa_emit_bit_branch): New.
3803 (xtensa_emit_movcc): New.
3804 * config/xtensa/xtensa.md (any_minmax): New code macro.
3805 (minmax): New code attribute.
3806 (any_cond, any_scc, any_scc_sf): New code macros.
3807 (*addx2, *addx4, *addx8): Delete.
3809 (*subx2, *subx4, *subx8): Delete.
3811 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
3812 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
3813 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
3814 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
3815 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
3816 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
3817 (movsfcc_internal0, movsfcc_internal1): Likewise.
3818 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
3819 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
3820 (xtensa_emit_bit_branch): New.
3821 (xtensa_emit_movcc): New.
3822 (function_arg_boundary): Add missing prototype.
3824 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3826 * config/xtensa/xtensa.md (tstsi): Delete
3828 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3830 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
3832 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3834 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3836 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3838 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
3840 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3842 * tree-vrp.c (execute_vrp): Do not update current_loops.
3843 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
3844 * doc/loop.texi: Remove documentation for cancelled functions.
3845 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
3846 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
3848 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
3849 (remove_path): Ensure that in delete_basic_blocks, the loops
3850 are still allocated.
3851 (add_loop): Work on valid loop structures.
3852 (loopify): Modify call of add_loop.
3853 (mfb_update_loops): Removed.
3854 (create_preheader): Do not update loops explicitly.
3855 (force_single_succ_latches, loop_version): Do not use
3856 loop_split_edge_with.
3857 (loop_split_edge_with): Removed.
3858 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
3859 Do not use bsi_insert_on_edge_immediate_loop.
3860 (split_loop_exit_edge, tree_unroll_loop): Do not use
3861 loop_split_edge_with.
3862 (bsi_insert_on_edge_immediate_loop): Removed.
3863 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
3864 use loop_split_edge_with.
3865 * cfghooks.c: Include cfgloop.h.
3866 (verify_flow_info): Verify that loop_father is filled iff current_loops
3868 (redirect_edge_and_branch_force, split_block, delete_basic_block,
3869 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
3871 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
3873 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
3874 loop_split_edge_with.
3875 (sms_schedule): Use current_loops.
3876 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
3877 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
3879 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
3880 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
3881 * ifcvt.c (if_convert): Ditto.
3882 * predict.c (predict_loops): Do not clear current_loops.
3883 (tree_estimate_probability): Use current_loops.
3884 (propagate_freq): Receive head of the region to propagate instead of
3886 (estimate_loops_at_level): Do not use shared to_visit bitmap.
3887 (estimate_loops): New function. Handle case current_loops == NULL.
3888 (estimate_bb_frequencies): Do not allocate tovisit. Use
3890 * tree-ssa-loop.c (current_loops): Removed.
3891 (tree_loop_optimizer_init): Do not return loops.
3892 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
3893 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
3894 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
3895 Do not update loops explicitly.
3896 * function.h (struct function): Add x_current_loops field.
3897 (current_loops): New macro.
3898 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
3899 * loop-unroll.c (split_edge_and_insert): New function.
3900 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
3901 use loop_split_edge_with.
3902 * loop-doloop.c (add_test, doloop_modify): Ditto.
3903 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
3904 * cfglayout.c (copy_bbs): Do not update loops explicitly.
3905 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
3906 * tree-vect-transform.c (vect_transform_loop): Do not update loops
3908 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
3909 (flow_loops_free): Do not free dfs_order and rc_order.
3910 (flow_loops_find): Do not set dfs_order and rc_order in loops
3911 structure. Do not call loops and flow info verification.
3912 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
3913 already belongs to some loop.
3914 * cfgloop.h (struct loops): Remove struct cfg.
3915 (current_loops, loop_split_edge_with): Declaration removed.
3916 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
3917 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
3918 Declaration removed.
3919 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
3920 * basic-block.h (split_edge_and_insert): Declare.
3921 * tree-cfg.c (remove_bb): Do not update loops explicitly.
3923 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3925 PR tree-optimization/29801
3926 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
3927 (get_default_value): Use get_symbol_constant_value.
3928 (set_lattice_value): ICE when the value of the constant is
3930 (visit_assignment): Ignore VDEFs of read-only variables.
3932 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3934 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
3936 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3937 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
3939 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3941 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
3942 select subvars of var.
3944 2006-11-17 Jakub Jelinek <jakub@redhat.com>
3947 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
3948 optimize if DEF doesn't have integral type.
3950 2006-11-16 Mike Stump <mrs@apple.com>
3952 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
3953 pre-darwin9 system, unless the user asks for it directly.
3954 (PREFERRED_DEBUGGING_TYPE): Likewise.
3955 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3956 * config.gcc: Add suppport for darwin9.h.
3957 * config/darwin9.h: Add.
3958 * doc/install.texi (Specific): Clarify darwin documentation.
3960 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3962 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
3963 optimizing for size.
3965 2006-11-16 Mike Stump <mrs@apple.com>
3967 * Makefile.in (targhooks.o): Add $(OPTABS_H).
3969 2006-11-16 Dirk Mueller <dmueller@suse.de>
3971 * tree-vrp.c (get_value_range): Use XCNEW instead
3973 (insert_range_assertions): Use XCNEWVEC instead
3974 of XNEWVEC and memset.
3975 (vrp_initialize): Same.
3976 (vrp_finalize): Same.
3977 * tree-ssa-ccp.c (ccp_initialize): Same.
3978 * predict.c (tree_bb_level_predictions): Same.
3979 * calls.c (expand_call): Same.
3980 * tree-ssa-copy.c (init_copy_prop): Same.
3981 (fini_copy_prop): Same.
3982 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
3983 of GGC_NEW and memset.
3985 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
3988 * gimplify.c (gimplify_expr): Only force a load for references to
3989 non-BLKmode volatile values.
3990 * doc/implement-c.texi (Qualifiers implementation): Document the
3991 interpretation of what a volatile access is.
3992 * doc/extend.texi (C++ Extensions): Rework same documentation.
3994 2006-11-16 Joseph Myers <joseph@codesourcery.com>
3996 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
3999 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4001 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4003 (arm_neg_abssi2): Renamed from neg_abssi2.
4004 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4006 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4008 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4009 number of arguments passed to local functions in SSE registers is 3.
4011 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4012 number of arguments passed in SSE registers to 3.
4014 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4017 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4019 (get_last_bb_insn): ... new global function.
4020 (basic_block.h): Declare it.
4021 * haifa-sched.c (create_recovery_block): Use it.
4023 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4026 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4028 2006-11-15 Paul Brook <paul@codesourcery.com>
4030 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4031 _Unwind_GetTextRelBase): Move from here ...
4032 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4033 _Unwind_GetTextRelBase): ... To here.
4035 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4037 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4038 addresses we generate for testing are aligned.
4040 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4043 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4044 to what is the const decl is a place holder for.
4046 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4048 * config/i386/i386.opt: New target option -mx87regparm.
4050 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4051 and float_in_x87 variables. mmx_words, sse_words: Remove.
4052 (X87_REGPARM_MAX): Define.
4054 * config/i386/i386.c (override_options): Error out for
4055 -mx87regparm but no 80387 support.
4056 (ix86_attribute_table): Add x87regparm.
4057 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4058 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4059 (ix86_function_x87regparm): New function.
4060 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4062 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4064 (function_arg_advance): Process x87_nregs and x87_regno when
4065 floating point argument is to be passed in 80387 register.
4066 (function_arg): Pass XFmode arguments in 80387 registers for local
4067 functions. Pass SFmode and DFmode arguments to local functions
4068 in 80387 registers when flag_unsafe_math_optimizations is set.
4070 * reg-stack.c (convert_regs_entry): Disable NaN load for
4071 stack registers that are used for argument passing.
4073 * doc/extend.texi: Document x87regparm function attribute.
4074 * doc/invoke.texi: Document -mx87regparm.
4076 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4078 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4079 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4080 arg MODE; all callers changed. Use it to determine validity per
4081 machine mode instead of using Pmode for all memory references.
4082 (get_address_cost): Likewise add and use new arg MEM_MODE.
4084 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4085 J"orn Rennecke <joern.rennecke@st.com>
4087 * combine.c (likely_spilled_retval_1): Fix masking operation.
4088 (likely_spilled_retval_p): Use proper pattern for call to
4089 likely_spilled_retval_1.
4091 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4093 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4095 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4096 that tests for CONSTANT_POOL_ADDRESS_P.
4098 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4100 PR tree-optimization/29581
4101 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4102 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4103 type is different between Y and USE, create a temporary
4104 variable, initialize it at the beginning of the body bb
4105 and use it as replacement instead of Y.
4107 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4110 * gimplify.c (fold_indirect_ref_rhs): Use
4111 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4113 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4115 * expmed.c (emit_store_flag_1): New function.
4116 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4118 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4119 Use do_compare_rtx_and_jump.
4120 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4121 * arm.md (cstoresi4): New define_expand.
4122 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4123 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4124 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4126 2006-11-14 Caroline Tice <ctice@apple.com>
4128 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4129 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4131 (pubname_table): Redefine as a vector.
4132 (pubtype_table): New static global variable, defined as a vector.
4133 (pubname_table_allocated): Remove static global variable.
4134 (pubname_table_in_use): Remove static global variable.
4135 (PUBNAME_TABLE_INCREMENT): Remove constant.
4136 (size_of_pubnames): Add parameter to deal with either pubnames or
4137 pubtypes, and change code to deal with table being a vector.
4138 (add_pubname): Change to deal with table being a vector.
4139 (add_pubtype): New function.
4140 (output_pubnames): Add parameter to deal with either pubnames or
4141 pubtypes, and change code to deal with table being a vector.
4142 (gen_array_type_die): Add call to add_pubtype.
4143 (gen_enumeration_type_die): Add call to add_pubtype.
4144 (gen_struct_or_union_type_die): Add call to add_pubtype.
4145 (gen_subroutine_type_die): Add call to add_pubtype.
4146 (gen_typedef_die): Add call to add_pubtype.
4147 (dwarf2out_init): Add code to initialize pubname_table and
4148 pubtype_table vectors; also initialize debug_pubtypes_section.
4149 (prune_unused_types): Change to deal with pubnames being a vector.
4150 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4151 pubnames table to call to output_pubnames; Add code to output pubtypes
4152 table if DEBUG_PUBTYPES_SECTION is defined.
4153 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4155 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4157 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4159 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4160 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4161 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4162 movv2si_internal): Support moves between core registers.
4164 2006-11-14 Eric Christopher <echristo@apple.com>
4166 * configure: Regenerate with autoconf 2.59.
4168 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4170 Fix PR tree-optimization/27755
4172 * tree-ssa-pre.c: Update comments.
4173 (bb_bitmap_sets): Add pa_in and deferred member.
4174 (BB_DEFERRED): New macro.
4175 (maximal_set): New variable.
4176 (pre_stats): Add pa_insert member.
4177 (bitmap_set_and): Short circuit orig == dest.
4178 (bitmap_set_subtract_values): New function.
4179 (bitmap_set_contains_expr): Ditto.
4180 (translate_vuses_through_block): Add phiblock argument.
4181 (dependent_clean): New function.
4182 (compute_antic_aux): Update for maximal_set changes.
4183 (compute_partial_antic_aux): New function.
4184 (compute_antic): Handle partial anticipation.
4185 (do_partial_partial_insertion): New function.
4186 (insert_aux): Handle partial anticipation.
4187 (add_to_sets): Add to maximal set.
4188 (compute_avail): Ditto.
4189 (init_pre): Initialize maximal_set.
4190 (execute_pre): Do partial anticipation if -O3+.
4192 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4194 PR rtl-optimization/29798
4196 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4197 TARGET_INSN before any other check.
4198 (fwprop_init): Always calculate dominators.
4199 (fwprop_done): Always free them.
4201 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4203 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4206 2006-11-13 DJ Delorie <dj@redhat.com>
4208 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4209 temporary for intermediates.
4211 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4213 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4214 (sh_optimize_target_register_callee_saved): #if 0 the code
4215 using NOTE_INSN_LOOP_{BEG,END}.
4217 2006-11-13 Roger Sayle <roger@eyesopen.com>
4219 * fold-const.c (optimize_bit_field_compare): Recursively call
4220 fold when simplifying non-constant comparisons between bit-fields.
4222 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4224 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4226 * configure: Rebuilt.
4228 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4230 * config/rs6000/cell.md: New file.
4231 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4233 (ppccell_cost): New cost matrix.
4234 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4235 (rs6000_override_options): Set rs6000_always_hint to false
4236 for cell. Also align functions/lables/loops to 8byte
4237 for the Cell. Use PROCESSOR_CELL.
4238 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4239 using_mtcr_multiple.
4240 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4241 on the Cell, return 0.
4242 (rs6000_adjust_cost): Add Cell cost adjustments.
4243 (is_microcoded_insn): Return true for Cell microcoded
4245 (is_nonpipeline_insn): New function.
4246 (rs6000_issue_rate): Add PROCESSOR_CELL.
4247 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4249 (rs6000_use_sched_lookahead_guard): New function.
4250 (rs6000_sched_reorder): Reorder the ready list, if the second
4251 to last ready insn is a nonepipeline insn on the Cell.
4252 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4253 (ASM_CPU_SPEC): Add Cell.
4254 * config/rs6000/rs6000.md (cpu): Add Cell.
4255 (cell_micro): New Attr.
4258 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4260 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4262 * configure: Rebuilt.
4264 2006-11-13 Richard Guenther <rguenther@suse.de>
4266 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4268 (ix86_expand_lfloorceil): Likewise.
4269 (ix86_expand_rint): Likewise.
4270 (ix86_expand_floorceildf_32): Likewise.
4271 (ix86_expand_floorceil): Likewise.
4272 (ix86_expand_rounddf_32): Likewise.
4273 (ix86_expand_truncdf_32): Likewise.
4274 (ix86_expand_round): Likewise.
4276 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4277 Mark Mitchell <mark@codesourcery.com>
4279 * gcc.c: Organize search path variables into $prefix relative,
4280 and well-known native. Add comments.
4281 (add_sysrooted_prefix): Add comment.
4282 (process_command): If !gcc_exec_prefix add $prefix based paths.
4283 If *cross_compile == '0', add native well-known paths.
4284 Assert tooldir_base_prefix is always relative.
4285 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4286 use this value for 'install:' path.
4287 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4289 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4291 * config/i386/i386.c: Fix a typo in comment.
4293 2006-11-13 Michael Matz <matz@suse.de>
4295 * genemit.c (gen_expand): Allocate enough memory.
4297 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4299 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4300 __GXX_TYPEINFO_EQUALITY_INLINE but not
4301 __GXX_MERGED_TYPEINFO_NAMES.
4302 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4303 __GXX_MERGED_TYPEINFO_NAMES.
4304 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4305 __GXX_TYPEINFO_EQUALITY_INLINE.
4307 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4308 Zdenek Dvorak <dvorakz@suse.cz>
4310 PR tree-optimization/29680
4311 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4314 2006-11-12 Jason Merrill <jason@redhat.com>
4315 Andrew Pinski <pinskia@physics.uc.edu>
4318 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4320 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4322 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4323 * tree.c (build_vector): Handle non-_CST elements.
4325 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4327 * genemit.c (gen_insn): Call gen_exp with a non-null used
4328 when handling multiple insns.
4329 (gen_expand): Likewise.
4330 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4331 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4332 (movsi_const_16bit+1): Copy operands[1].
4333 (call_pcrel): Copy the call_site pattern.
4334 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4336 2006-11-12 Roger Sayle <roger@eyesopen.com>
4338 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4339 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4340 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4341 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4343 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4345 Fix PR tree-optimization/29587
4346 * tree-ssa-structalias.c (process_constraint): Don't
4347 mark address taken due only to escaped vars constraint.
4349 2006-11-12 Michael Matz <matz@suse.de>
4350 Roger Sayle <roger@eyesopen.com>
4352 PR rtl-optimization/29797
4353 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4354 BITS_BIG_ENDIAN targets.
4356 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4358 * builtins.c (fold_builtin_cosh): New.
4359 (fold_builtin_1): Use it.
4360 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4361 trunc to the list of "odd" functions. Also add llrint, lrint,
4362 rint and nearbyint when flag_rounding_math is false.
4364 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4366 * tree-flow.h (name_mappings_registered_p): Declare.
4367 * tree-into-ssa.c (name_mappings_registered_p): New function.
4368 * tree-cfg.c (tree_can_merge_blocks_p): Check
4369 name_mappings_registered_p instead of need_ssa_update_p.
4371 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4373 * tree-ssa-loop.c (tree_vectorize): Return the result of
4375 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4376 if anything changed.
4377 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4378 * tree-flow.h (vectorize_loops): Declaration changed.
4380 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4382 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4384 (issue_prefetch_ref): Move assignment to write_p out of loop.
4385 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4386 SIMULTANEOUS_PREFETCHES into account.
4387 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4388 * lambda-code.c (lcm): Renamed to ...
4389 (least_common_multiple): ... and exported.
4390 * tree-flow.h (least_common_multiple): Declare.
4392 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4394 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4395 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4396 ud-chains. Handle AND_EXPR.
4397 (record_estimate): Record whether the estimate is realistic
4398 and whether it is derived from a loop exit.
4399 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4400 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4402 (compute_estimated_nb_iterations): Take only realistic bounds into
4403 account. Set estimate_state. Use double_ints.
4404 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4405 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4406 that do not have to be always executed.
4407 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4408 to determine whether to call infer_loop_bounds_from_undefined
4409 and compute_estimated_nb_iterations.
4410 (n_of_executions_at_most): Use double_ints.
4411 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4412 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4413 * double-int.c (double_int_to_tree): Improve comment.
4414 (double_int_fits_to_tree_p): New function.
4415 * double-int.h (double_int_fits_to_tree_p): Declare.
4416 * tree-data-ref.c: Include langhooks.h.
4417 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4418 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4419 (analyze_array): Do not pass estimate_only argument to
4420 analyze_array_indexes.
4421 (get_number_of_iters_for_loop): Build tree from the stored double_int
4423 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4424 (find_data_references_in_loop): Use find_data_references_in_stmt.
4425 * tree-data-ref.h (struct data_ref_loc_d): New.
4426 (get_references_in_stmt): Declare.
4427 (estimate_iters_using_array): Declaration removed.
4428 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4429 double_int. Improve comments. Add is_exit and realistic
4431 (struct loop): Changed type of estimated_nb_iterations to double_int.
4432 Added estimate_state field.
4433 (record_estimate): Declaration removed.
4435 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4437 * params.c (set_param_value): Initialize the "set" field.
4438 * params.h (struct param_info): Add "set" field.
4439 (PARAM_SET_P): New macro.
4440 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4441 L1_CACHE_LINE_SIZE): New macros.
4442 * toplev.c (DEFPARAM): Initialize the "set" field.
4443 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4444 SIMULTANEOUS_PREFETCHES): Removed.
4445 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4446 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4447 * config/sparc/sparc.c: Include params.h.
4448 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4449 L1_CACHE_LINE_SIZE parameters.
4450 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4452 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4454 * config/i386/i386.c: Include params.h.
4455 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
4456 (override_options): Set SIMULTANEOUS_PREFETCHES and
4457 L1_CACHE_LINE_SIZE parameters.
4458 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
4459 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
4460 L1_CACHE_LINE_SIZE parameters.
4461 * config/ia64/ia64.c (ia64_optimization_options): Set
4462 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
4463 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
4465 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
4466 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
4467 * doc/invoke.texi: Document new params.
4469 2006-11-12 Roger Sayle <roger@eyesopen.com>
4471 PR tree-optimization/13827
4472 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
4475 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4477 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4478 update_single_exit_for_duplicated_loops): New functions.
4479 (duplicate_loop_to_header_edge): Use
4480 update_single_exit_for_duplicated_loops.
4481 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
4482 functions only with ENABLE_CHECKING.
4484 2006-11-12 Andreas Schwab <schwab@suse.de>
4486 * except.c (sjlj_emit_function_enter): Remove unused variable.
4488 2006-11-11 Roger Sayle <roger@eyesopen.com>
4490 * fold-const.c (int_binop_types_match_p): New function.
4491 (size_binop): Relax constraint that both arguments must both have
4492 exactly the same sizetype type. Instead use int_binop_types_match_p.
4493 (size_diffop): Likewise.
4495 (make_range): Use build_int_cst instead of fold_convert.
4496 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4497 integer constants of the correct type.
4498 (fold_div_compare): Likewise.
4499 (fold_single_bit_test): Likewise.
4500 (fold_binary): Likewise.
4501 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4502 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4504 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4507 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4508 non null value if the struct memory access is in the 0th
4511 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4514 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4515 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4518 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4519 instead of builtin_define for bfin and BFIN.
4521 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4523 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4526 2006-11-11 Jan Hubicka <jh@suse.cz>
4528 * extend.texi (__builtin_expect): We no longer require second argument
4530 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4531 * builtins.c (expand_builtin_expect): Simplify.
4532 (expand_builtin_expect_jump): Kill.
4533 * final.c (final_scan_insn): Do not skip the removed notes.
4534 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4535 EXPECTED_VALUE): Remove.
4536 * dojump.c (do_jump): Do not care about __builtin_expect.
4537 * predict.c (expected_value_to_br_prob): Kill.
4538 * function.c (expand_function_end): Do not expand
4539 NOTE_INSN_REPEATED_LINE_NUMBER.
4540 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4541 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4542 * cfgexpand.c (add_reg_br_prob_note): Export.
4543 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4544 expected_value_to_br_prob.
4545 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4546 * rtl.h (add_reg_br_prob_note): Declare.
4548 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4550 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4552 2006-11-11 Jan Hubicka <jh@suse.cz>
4554 * predict.c (predict_loops): Kill RTL variant.
4556 2006-11-11 Jan Hubicka <jh@suse.cz>
4558 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4559 * modulo-sched.c (find_line_note): Remove.
4560 (loop_canon_p): Do not worry about line number notes.
4561 (sms_schedule): Likewise.
4562 * cse.c (cse_main): Likewise.
4563 * regmove.c (fixup_match_1): Likewise
4564 * function.c (emit_return_info_block): Likewise.
4565 (expand_function_end): Likewise.
4566 (thread_prologue_an_epilogue_insns): Likewise.
4567 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4569 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4570 emit_note_copy_after): Kill.
4571 (emit_note_copy): Do not worry about line numbers.
4572 * jump.c (purge_line_number_notes): Kill.
4573 (pass_purge_lineno_notes): Kill.
4574 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4576 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4577 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4578 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4579 * tree-pass.h (pass_purge_lineno_notes): Kill.
4580 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4581 rm_redundant_line_notes.
4582 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4583 rm_redundant_line_notes.
4584 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4585 * haifa-sched.c: Update comment about handling notes.
4586 (unlink_line_notes): Kill.
4587 (rm_line_notes): Kill.
4588 (save_line_notes): Simplify.
4589 (rm_redundant_line_notes): Kill.
4591 2006-11-11 Richard Guenther <rguenther@suse.de>
4593 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4594 Remove unused tree codes.
4595 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4596 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4597 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4598 * tree.c (stabilize_reference): Likewise.
4599 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4600 fold_unary): Likewise.
4601 * tree-gimple.c (is_gimple_cast): Likewise.
4602 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4603 * expr.c (expand_expr_real_1): Likewise.
4604 * tree-eh.c (tree_could_trap_p): Likewise.
4605 * gimplify.c (gimplify_expr): Likewise.
4606 * tree-inline.c (estimate_num_insns_1): Likewise.
4607 * tree-cfg.c (verify_expr): Likewise.
4609 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4611 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4612 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4613 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4615 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4618 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4619 constraints accept neither registers or memories.
4621 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4623 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4624 (NO_PROFILE_COUNTERS): Define as 1.
4626 2006-11-10 Roger Sayle <roger@eyesopen.com>
4628 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4629 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4631 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
4633 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
4635 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4637 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
4638 (fold_builtin_hypot): Likewise.
4639 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
4641 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
4643 2006-11-10 Roger Sayle <roger@eyesopen.com>
4645 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
4646 when attempting to build INTEGER_CSTs of non-integral types.
4647 * expmed.c (make_tree): Use the correct type, i.e. the inner
4648 type, when constructing the individual elements of a CONST_VECTOR.
4650 2006-11-10 Jan Hubicka <jh@suse.cz>
4652 * cse.c (cse_process_notes): Copy the propagated value.
4653 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
4655 * gcse.c (try_replace_reg): Copy the replacement.
4656 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
4657 (assign_386_stack_local): Always return copied memory expression
4658 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
4661 2006-11-10 Jan Hubicka <jh@suse.cz>
4663 * final.c (final): Walk from first instruction.
4664 * cfglayout.c (insn_locators_initialize): Remove line number notes.
4666 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4669 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4671 (umulv8hi3_highpart): Ditto.
4672 (vec_widen_smult_hi_v8hi): New expander.
4673 (vec_widen_smult_lo_v8hi): Ditto.
4675 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4678 * builtins.c (do_mpfr_arg3): New.
4679 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4681 2006-11-09 Eric Christopher <echristo@apple.com>
4686 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4687 * config.gcc (powerpc64-*-darwin*): New target.
4688 * config.host: Ditto.
4689 * config/rs6000/darwin64.h: New file.
4690 * config/rs6000/x-darwin64: Ditto.
4691 * config/rs6000/host-ppc64-darwin.c: Ditto.
4693 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4695 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4696 routines for integer division.
4698 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4700 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4702 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4705 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4707 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4709 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4710 simplify_subreg with BLKmode outer mode.
4712 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
4714 * doc/invoke.texi: Minor formatting fixes in option lists.
4716 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
4718 PR tree-optimization/29738
4719 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
4720 (ccp_lattice_t): Remove UNKNOWN_VAL.
4721 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
4722 Do not handle UNKNOWN_VAL.
4723 (get_default_value): Set initial value of virtual operands to
4725 (get_value): Always use get_default_value on uninitialized
4727 (set_value_varying, surely_varying_stmt_p): New functions.
4728 (set_lattice_value): Do not pass argument to get_value.
4729 Do not handle UNKNOWN_VAL.
4730 (likely_value): Follow the semantics described in the comment.
4731 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
4732 phi nodes DONT_SIMULATE_AGAIN.
4733 (ccp_fold): Do not pass argument to get_value.
4734 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
4737 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4739 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4740 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
4742 2006-11-08 Roger Sayle <roger@eyesopen.com>
4744 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
4745 test for inclusion rather than as a test for exclusion.
4746 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
4747 the condition after calling fold_binary.
4748 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
4749 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
4750 * builtins.c (fold_builtin_isascii): Likewise.
4751 (fold_builtin_isdigit): Likewise.
4753 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
4755 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
4756 * configure: Regenerate.
4758 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4760 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
4761 enum argument instead of bool.
4762 (vect_analyze_operations): Call vectorizable_type_promotion.
4763 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
4764 stmt_vec_info_type value.
4765 (supportable_widening_operation, vectorizable_type_promotion): New
4766 function declarations.
4767 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
4768 (vectorizable_type_promotion): New function.
4769 (vect_transform_stmt): Call vectorizable_type_promotion.
4770 * tree-vect-analyze.c (supportable_widening_operation): New function.
4771 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4773 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4776 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
4777 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
4778 * tree-inline.c (estimate_num_insns_1): Add cases for above new
4780 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4781 * expr.c (expand_expr_real_1): Likewise.
4782 * optabs.c (optab_for_tree_code): Likewise.
4783 (init_optabs): Initialize new optabs.
4784 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
4785 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
4786 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
4787 vec_unpacku_lo_optab): Initialize new optabs.
4788 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
4789 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
4790 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
4792 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
4793 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
4794 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
4795 (vec_unpacku_lo_optab): New optabs.
4796 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
4797 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
4798 (vec_widen_smult_hi, vec_widen_smult_lo): New.
4799 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
4800 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
4801 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
4803 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
4804 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
4805 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
4806 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
4807 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
4808 implement the unsigned unpacking patterns.
4809 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
4810 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
4811 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
4812 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
4813 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
4814 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
4815 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
4816 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
4817 multiplication patterns.
4819 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
4820 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
4821 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4822 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
4823 (rs6000_builtin_mul_widen_odd): New.
4824 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
4825 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
4826 * tree-vectorizer.h (enum vect_relevant): New enum type.
4827 (_stmt_vec_info): Field relevant chaned from bool to enum
4829 (STMT_VINFO_RELEVANT_P): Updated.
4830 (STMT_VINFO_RELEVANT): New.
4831 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
4832 instead of STMT_VINFO_RELEVANT_P.
4833 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
4834 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
4835 and boolean variable with enum vect_relevant.
4836 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
4837 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
4838 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4840 2006-11-08 Richard Henderson <rth@redhat.com>
4842 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
4843 vec_widen_umult_lo_v8hi): New.
4844 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
4845 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
4847 * config/i386/i386.c (ix86_expand_sse_unpack): New.
4848 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
4849 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
4850 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
4851 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
4852 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
4853 vec_unpacks_lo_v4si): New.
4855 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4857 * tree-vect-transform.c (vectorizable_type_demotion): New function.
4858 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
4859 (vect_analyze_operations): Call vectorizable_type_demotion.
4860 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
4861 stmt_vec_info_type value.
4862 (vectorizable_type_demotion): New function declaration.
4863 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4866 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
4867 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
4869 * tree-iniline.c (estimate_num_insns_1): Likewise.
4870 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4871 * optabs.c (optab_for_tree_code): Likewise.
4873 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
4874 compared against the predicate of the result is not 'mode' (the input
4875 to the function) but a mode with half the size of 'mode'.
4876 (init_optab): Initialize new optabs.
4877 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
4879 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
4881 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
4882 (vec_pack_usat_optab): Initialize new optabs.
4883 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
4884 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
4886 2006-11-08 Richard Henderson <rth@redehat.com>
4888 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
4889 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
4890 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
4891 (vec_interleave_highv4si, vec_interleave_lowv4si):
4892 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
4894 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4896 * tree-vect-transform.c (vectorizable_reduction): Support multiple
4898 (vect_transform_stmt): Removed redundant code.
4900 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4902 * tree-vect-transform.c (vectorizable_operation): Support multiple
4905 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4907 * tree-vect-transform.c (vect_align_data_ref): Removed.
4908 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
4909 Updated function documentation. Return the increment stmt in ptr_incr.
4910 (bump_vector_ptr): New function.
4911 (vect_get_vec_def_for_stmt_copy): New function.
4912 (vect_finish_stmt_generation): Create a stmt_info to newly created
4914 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
4916 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
4917 VF is greater than the number of elements that can fit in one vector
4919 (vectorizable_operation, vectorizable_condition): Likewise.
4920 (vectorizable_store, vectorizable_load): Support the case that the VF
4921 is greater than the number of elements that can fit in one vector word.
4922 (vect_transform_loop): Don't fail in case of multiple data-types.
4923 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
4924 in case of multiple data-types; the smallest type determines the VF.
4925 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
4926 if they are of different sizes.
4927 (vect_update_misalignment_for_peel): Compare misalignments in terms of
4928 number of elements rather than number of bytes.
4929 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
4930 (vect_can_advance_ivs_p): Fix a dump printout
4932 2006-11-07 Eric Christopher <echristo@apple.com>
4934 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
4935 (__bswapsi2): Ditto.
4936 * libgcc2.h: Remove transformation of bswap routines.
4937 * config/i386/i386.md (bswapsi2): New.
4940 2006-11-07 Jakub Jelinek <jakub@redhat.com>
4942 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
4943 (handle_gnu_inline_attribute): New function.
4944 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
4945 (merge_decls, start_decl, start_function): Likewise.
4946 * doc/extend.texi: Document gnu_inline attribute.
4948 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4951 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
4952 _fixunstfdi, and _floatditf
4954 2006-11-06 Anatoly Sokolov <aesok@post.ru>
4956 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
4958 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
4959 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
4960 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
4961 which start in an odd register.
4963 2006-11-07 Richard Sandiford <richard@codesourcery.com>
4965 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
4967 2006-11-07 Josh Conner <jconner@apple.com>
4969 * doc/invoke.texi (fstrict-aliasing): Move implementation
4971 * doc/tree-ssa.texi (Alias analysis): ...here.
4973 2006-11-07 Richard Guenther <rguenther@suse.de>
4975 PR tree-optimization/29610
4976 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
4977 of tree_purge_dead_eh_edges as it may free dominators.
4979 * g++.dg/other/pr29610.C: New testcase.
4981 2006-11-07 David Ung <davidu@mips.com>
4983 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
4984 costs when optimizing for size.
4985 (override_options): Use mips_rtx_cost_optimize_size table for cost
4988 2006-11-07 Jie Zhang <jie.zhang@analog.com>
4990 * gcc.c (process_command): Treat -b as normal switch if its argument
4993 2006-11-07 David Ung <davidu@mips.com>
4995 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
4998 2006-11-06 Eric Christopher <echristo@apple.com>
5000 * config.gcc: Add x86_64-darwin host support.
5001 * config.host: Ditto.
5002 * config/i386/darwin64.h: New file.
5003 * config/i386/t-darwin64: Ditto.
5005 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5007 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5008 and output-exists-not.
5010 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5013 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5014 checking for overflow.
5016 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5018 * configure.ac: Fixed typo in case statement: :: changed to ;;
5020 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5022 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5023 count_leading_zeros, and count_trailing_zeros.
5024 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5025 (TARGET_FOLD_BUILTIN): Define.
5026 (TARGET_EXPAND_BUILTIN): Define.
5027 (xtensa_init_builtins): New.
5028 (xtensa_fold_builtin): New.
5029 (xtensa_expand_builtin): New.
5030 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5031 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5032 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5033 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5034 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5035 (any_extend): New code macro.
5036 (u, su): New code attributes.
5037 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5038 (nsau): Remove; replaced by clzsi2.
5039 (ffssi2): Use clzsi2.
5040 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5041 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5042 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5043 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5044 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5046 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5048 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5050 * config/arm/t-strongarm-elf: Likewise.
5051 * config/arm/t-pe: Likewise.
5052 * config/arm/t-arm-elf: Likewise.
5053 * config/arm/t-xscale-elf: Likewise.
5054 * config/arm/t-arm-coff: Likewise.
5055 * config/arm/t-xscale-coff: Likewise.
5056 * config/arm/t-wince-pe: Likewise.
5058 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5060 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5063 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5066 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5069 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5072 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5073 as a valid 80387 constant.
5074 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5075 * config/i386/i386.md (unnamed splitter): Split the load of
5076 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5079 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5081 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5082 from the soft-frame, argument and virtual registers.
5084 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5086 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5087 patterns for standard 80387 constants.
5089 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5090 Steven Bosscher <steven@gcc.gnu.org>
5092 * fwprop.c: New file.
5093 * Makefile.in: Add fwprop.o.
5094 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5095 * passes.c (init_optimization_passes): Schedule forward propagation.
5096 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5098 * timevar.def (TV_FWPROP): New.
5099 * common.opt (-fforward-propagate): New.
5100 * opts.c (decode_options): Enable forward propagation at -O2.
5101 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5102 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5103 canon_for_address, table_size): Remove.
5104 (new_basic_block, insert, remove_from_table): Remove references to
5106 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5107 simplification loop more straightforward by not calling fold_rtx
5109 (equiv_constant): Move here a small part of fold_rtx_subreg,
5110 do not call fold_rtx. Call avoid_constant_pool_reference
5112 * recog.h (canonicalize_change_group): New.
5114 * doc/invoke.texi (Optimization Options): Document fwprop.
5115 * doc/passes.texi (RTL passes): Document fwprop.
5117 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5119 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5120 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5121 (grokdeclarator): Likewise.
5123 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5125 * tree-dump.c (dump_enable_all): Rename local variable
5126 ir_type to avoid name conflicts.
5127 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5128 instead of using ir_type().
5129 * profile.c (tree_register_profile_hooks): Likewise.
5130 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5131 * basic-block.h (struct edge_def): Likewise.
5132 * config/arm/arm.c (legitimize_pic_address): Likewise.
5133 * coretypes.h (ir_type): New enum of all intermediate languages
5135 * cfghooks.c (ir_type): Rename to...
5136 (current_ir_type): ...this. Distinguish between cfgrtl and
5137 cfglayout mode when the current IR is RTL. Return enum ir_type.
5138 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5140 2006-11-03 Paul Brook <paul@codesourcery.com>
5142 * config/arm/arm.c (arm_file_start): New function.
5143 (TARGET_ASM_FILE_START): Define.
5144 (arm_default_cpu): New variable.
5145 (arm_override_options): Set arm_default_cpu.
5147 2006-11-03 David Ung <davidu@mips.com>
5149 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5150 PROCESSOR_24KC and PROCESSOR_24KF.
5151 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5152 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5153 (mips_rtx_cost_data): Add costs for the 24kc.
5154 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5155 * config/mips/24k.md: Remove references to 24k and replace with
5156 uses of 24kc/24kf in the appropriate reservations.
5157 * doc/invoke.texi (MIPS Options): Updated.
5159 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5161 * config/sh/crt1.asm: Fix #ifdef indent.
5163 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5164 Merged from STMicroelectronics sources:
5165 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5166 * config/sh/crt1.asm (vbr_600): Add missing #if.
5167 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5168 * sh.opt (mfused-madd): New option.
5169 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5170 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5171 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5172 Remove pointless handler at VBR+0.
5173 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5174 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5175 fr7. Make sure the timer handler is called with the correct FPU
5176 precision setting, according to the ABI.
5177 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5178 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5179 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5180 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5181 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5182 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5183 zero as second operand.
5184 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5185 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5186 Fixed some bugs related to negative values, in particular -0
5187 and overflow at -0x80000000.
5188 * config/sh/divcost-analysis: Added sh4-300 figures.
5189 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5190 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5191 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5192 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5193 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5194 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5196 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5198 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5199 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5200 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5201 mac_mem, mem_mac, dfp_mul, fp_cmp.
5202 (insn_class, dfp_comp, any_fp_comp): Update.
5203 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5204 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5205 (muldf3_i): Likewise.
5206 (movsi_i): Split rI08 alternative into two separate alternatives.
5208 (movsi_ie, movsi_i_lowpart): Likewise.
5209 (movqi_i): Split ri alternative into two separate alternatives.
5211 * sh1.md (sh1_load_store, sh1_fp): Update.
5212 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5213 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5214 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5215 (sh4a_fp_double_arith): Likewise.
5216 * sh4-300.md: New file.
5217 * sh.c (sh_handle_option): Handle m4-300* options.
5218 (sh_adjust_cost): Fix latency of auto-increments.
5219 Handle SH4-300 differently than other SH4s. Check for new insn types.
5220 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5221 been set by an option.
5222 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5223 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5224 (mbranch-cost=): Likewise.
5225 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5227 * sh.md (mulsf3): Remove special expansion code.
5228 (mulsf3_ie): Now a define_insn_and_split.
5229 (macsf3): Allow for TARGET_SH4.
5231 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5232 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5233 (expand_cbranchdi4): Likewise.
5234 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5235 CONST_DOUBLE if the outer code is COMPARE.
5236 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5237 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5238 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5239 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5240 Remove redundant fp_{zero,one}_operand checks.
5241 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5242 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5243 (expand_cbranchdi4): Likewise.
5244 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5245 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5247 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5249 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5252 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5254 * doc/invoke.texi: Fix mfp-trap-mode typo.
5256 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5258 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5259 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5260 file_end_indicate_exec_stack.
5261 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5263 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5264 for a non-executable stack.
5265 * crti.asm: Likewise.
5266 * crtn.asm: Likewise.
5267 * libunwind.S: Likewise.
5269 2006-11-02 Ben Elliston <bje@au.ibm.com>
5271 * tree-ssa.c (warn_uninit): Use expand_location variables for
5272 locus and declaration locus.
5274 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5277 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5278 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5279 cmp{eq,gt,gtu}{si,di}_media.
5280 (*cmpne0si_media): Remove.
5281 (*movsicc_umin): Adjust gen_cmp*_media call.
5282 (unordered): Change the mode of unordered and operands[1] to
5284 (seq): Adjust gen_cmp*_media calls. Make the mode of
5285 a temporary result of compare SImode if needed. If the mode
5286 of operands[0] is DImode, extend the temporary result to DImode.
5287 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5288 (sunorderd): Change the mode of match_operand and unorderd to
5290 (cmpeq{sf,df}_media): Remove.
5291 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5292 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5293 and compare operation to SImode.
5295 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5297 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5299 (sparc64-sun-solaris2*): Likewise.
5301 2006-11-02 Paul Brook <paul@codesourcery.com>
5303 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5304 from priority argument. Use different section for non-default
5306 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5308 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5311 * except.c (switch_to_exception_section): Do not cache the section
5312 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5313 and flag_function_sections is set.
5315 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5318 * builtins.c (do_mpfr_sincos): New.
5319 (fold_builtin_1): Use it to fold builtin sincos.
5321 2006-11-01 Roger Sayle <roger@eyesopen.com>
5323 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5324 it into -D_REENTRANT.
5326 2006-11-01 Roger Sayle <roger@eyesopen.com>
5328 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5329 whether the assembler supports taking the difference of symbols in
5330 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5331 * configure: Regenerate.
5332 * config.in: Regenerate.
5333 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5334 the assembler doesn't support taking the difference of symbols in
5335 different sections, i.e. we're using the native solaris assembler.
5337 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5338 Peter Bergner <bergner@vnet.ibm.com>
5340 * doc/invoke.texi: Add cpu_type power6x
5341 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5342 * config.gcc: Add cpu_type power6x.
5343 * configure.ac: Add test for mf{t,f}gpr instructions.
5344 (HAVE_AS_MFPGPR): New.
5345 * config.in: Regenerate.
5346 * configure: Regenerate.
5347 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5348 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5349 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5350 and mftgpr attributes.
5351 (define_attr "cpu"): Add power6.
5352 Change instruction sequences to use new attributes.
5353 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5354 (fix_truncdfsi2_mfpgpr): New.
5355 (floatsidf_ppc64_mfpgpr): New.
5356 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5357 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5358 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5359 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5360 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5361 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5362 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5363 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5364 cntlz,exts and var_delayed_compare.
5365 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5366 _ARCH_PWR6X, if features enabled.
5367 * config/rs6000/rs6000.opt (mmfpgpr): New.
5368 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5369 (cached_can_issue_more): New variable.
5370 (processor_costs): Add power6_cost.
5371 (rs6000_sched_init): New function.
5372 (is_dispatch_slot_restricted): Deleted.
5373 (set_to_load_agen): New function.
5374 (is_load_insn,is_store_insn): New functions.
5375 (adjacent_mem_locations): New function.
5376 (insn_must_be_first_in_group): New function.
5377 (insn_must_be_last_in_group): New function.
5378 (rs6000_sched_reorder): New function.
5379 (rs6000_sched_reorder2): New function.
5380 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5381 TARGET_SCHED_REORDER2): Define.
5382 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5383 Add power6x. Add MASK_MFPGPR for power6x.
5384 (POWERPC_MASKS): Add MASK_MFPGPR.
5385 (rs6000_override_options): Set rs6000_always_hint to false
5386 for power6. Set rs6000_align_branch_targets. Replace
5387 rs6000_sched_groups check with rs6000_align_branch_targets.
5388 Use PROCESSOR_POWER6.
5389 (last_scheduled_insn): New variable.
5390 (load_store_pendulum): New variable.
5391 (rs6000_variable_issue): Set last_scheduled_insn and
5392 cached_can_issue_more.
5393 (rs6000_adjust_cost): Add power6 cost adjustments.
5394 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5395 with insn_must_be_first_in_group. Add power6 priority adjustments.
5396 (rs6000_issue_rate): Add CPU_POWER6.
5397 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5398 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5399 (TARGET_MFPGPR): New.
5400 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5401 (ASM_CPU_SPEC): Add power6x.
5402 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5404 * config/rs6000/power6.md: New file.
5406 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5408 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5409 HOST_WIDE_INT_PRINT to print high and low parts. Use
5410 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5411 printing a hexadecimal number prefix it with 0x.
5413 2006-11-01 Chris Johns <chris@contemporary.net.au>
5416 * Makefile.in (install-driver): Use exeext when installing
5417 $target-gcc-$version.
5419 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5421 * c-common.c (flag_cpp0x): New.
5422 * c-common.h (flag_cpp0x): New.
5423 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5424 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5425 * c-opts.c (set_std_cxx0x): New.
5426 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5427 * c.opt (std=c++0x): Document.
5428 (std=gnu++0x): Ditto.
5429 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5430 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5432 2006-11-01 Richard Guenther <rguenther@suse.de>
5434 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5436 (ix86_expand_floorceildf_32): Likewise.
5437 (ix86_expand_floorceil): Likewise.
5438 (ix86_expand_trunc): Likewise.
5440 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5442 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5445 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5447 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5449 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
5451 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
5453 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
5454 * configure.ac (use_cxa_atexit): As a special case, don't test
5455 for libc definition of __cxa_atexit on mingw32
5456 * configure: Regenerate.
5457 * config.gcc (i[34567]86-pc-mingw32): Default to
5458 enable__cxa_atexit=yes.
5460 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5462 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5464 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5467 * c-decl.c (start_struct): Don't create self-containing
5469 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5471 * config/rs6000/rs6000-protos.h
5472 (darwin_rs6000_special_round_type_align): New.
5473 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
5474 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
5476 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5478 * toplev.c (compile_file): Call final_write_globals
5479 even if there have been errors.
5481 2006-10-31 Eric Christopher <echristo@apple.com>
5482 Falk Hueffner <falk@debian.org>
5484 * doc/extend.texi (__builtin_bswap32): Document.
5485 (__builtin_bswap64): Ditto.
5486 * doc/libgcc.texi (bswapsi2): Document.
5488 * doc/rtl.texi (bswap): Document.
5489 * optabs.c (expand_unop): Don't widen a bswap.
5490 (init_optabs): Init bswap. Set libfuncs explicitly
5491 for bswapsi2 and bswapdi2.
5492 * optabs.h (OTI_bswap): New.
5493 (bswap_optab): Ditto.
5494 * genopinit.c (optabs): Handle bswap_optab.
5495 * tree.h (tree_index): Add TI_UINT32_TYPE and
5497 (uint32_type_node): New.
5498 (uint64_type_node): Ditto.
5499 * tree.c (build_common_tree_nodes_2): Initialize
5500 uint32_type_node and uint64_type_node.
5501 * builtins.c (expand_builtin_bswap): New.
5502 (expand_builtin): Call.
5503 (fold_builtin_bswap): New.
5504 (fold_builtin_1): Call.
5505 * fold-const.c (tree_expr_nonnegative_p): Return true
5507 * builtin-types.def (BT_UINT32): New.
5509 (BT_FN_UINT32_UINT32): Ditto.
5510 (BT_FN_UINT64_UINT64): Ditto.
5511 * builtins.def (BUILT_IN_BSWAP32): New.
5512 (BUILT_IN_BSWAP64): Ditto.
5513 * rtl.def (BSWAP): New.
5514 * genattrtab.c (check_attr_value): New.
5515 * libgcc2.c (__bswapSI2): New.
5516 (__bswapDI2): Ditto.
5517 * libgcc2.h (__bswapSI2): Declare.
5518 (__bswapDI2): Ditto.
5519 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5520 * simplify-rtx.c (simplify_const_unary_operation): Return
5522 * libgcc-std.ver (__bwapsi2): Add.
5523 (__bswapdi2): Ditto.
5524 * reload1.c (eliminate_regs_1): Add bswap.
5525 (elimination_effects): Ditto.
5526 * config/i386/i386.h (x86_bswap): New.
5527 (TARGET_BSWAP): Use.
5528 * config/i386/i386.c (x86_bswap): Set.
5530 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5532 * coverage.c (coverage_checksum_string): Update comment.
5533 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5534 of get_file_function_name.
5535 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5536 of get_file_function_name_long.
5537 * tree.c (get_file_function_name): Rename from
5538 get_file_function_name_long; improve comment; handle 'I' and 'D'
5539 specially when the target has ctor/dtor support; remove special
5541 (get_file_function_name): Remove.
5542 * tree.h (get_file_function_name): Rename from
5543 get_file_function_name_long.
5544 (get_file_function_name): Remove prototype.
5546 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5548 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5549 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5551 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5552 Call dsymutil when compiling and linking one or more source files
5555 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5558 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5560 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5562 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5563 inline static functions in c99 mode.
5566 * doc/extend.texi (Inline): Update.
5567 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5568 * c-decl.c (current_extern_inline): Delete.
5569 (pop_scope): Adjust test for an undefined nested function.
5570 Add warning about undeclared inline function.
5571 (diagnose_mismatched_decls): Update comments. Disallow overriding
5572 of inline functions in a translation unit in C99. Allow inline
5573 declarations in C99 at any time.
5574 (merge_decls): Boolize variables. Handle C99 'extern inline'
5576 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5577 C99 inline semantics.
5578 (start_function): Don't clear current_extern_inline. Don't set
5580 (c_push_function_context): Don't push current_extern_inline.
5581 (c_pop_function_context): Don't restore current_extern_inline.
5584 * c-typeck.c (build_external_ref): Warn about static variables
5585 used in extern inline functions.
5586 * c-decl.c (start_decl): Warn about static variables declared
5587 in extern inline functions.
5589 2006-10-31 Roger Sayle <roger@eyesopen.com>
5592 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5593 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5594 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5595 or y is an even integer.
5597 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5600 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5601 * gthr-posix95.h (__gthread_active_p): Likewise.
5603 2006-10-31 Richard Guenther <rguenther@suse.de>
5605 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5606 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5607 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5608 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5609 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5610 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5611 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5612 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5615 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5617 * opts.c (decode_options): Disable CSE skip blocks.
5619 2006-10-30 Dirk Mueller <dmueller@suse.de>
5621 * c-common.h (strict_aliasing_warning): Fix whitespace.
5622 * c-decl (start_function): Move code for main decl warning ..
5623 * c-common.c (check_main_parameter_types): .. here.
5624 * c-common.h (check_main_parameter_types): Declare.
5626 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5629 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5631 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
5633 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
5634 be a PARALLEL containing sets. Return false when out_pat is not
5637 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5639 * config/mips/mips.md (mul<mode>3): Split into...
5640 (mulsi3, muldi3): ...these separate patterns.
5642 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5644 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
5645 but with each set of options separated by spaces.
5647 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
5649 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
5650 dwarf_reg_size_table has been initialized.
5652 2006-10-30 Roger Sayle <roger@eyesopen.com>
5654 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
5655 * ddg.c (print_ddg_edge): Likewise.
5656 * dwarf2out.c (prune_unused_types_walk): Likewise.
5657 * ifcvt.c (noce_try_cmove_arith): Likewise.
5658 * langhooks.c (add_builtin_function): Likewise.
5659 * reg-stack.c (subst_stack_regs_pat): Likewise.
5660 * tree.c (expanded_location): Likewise.
5661 * tree-dump.c (dequeue_and_dump): Likewise.
5663 2006-10-30 David Daney <ddaney@avtrex.com>
5665 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5667 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5669 PR tree-optimization/29637
5670 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5671 of the innertype is the innertype itself.
5673 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5675 * dwarf2out.c (file_name_acquire): Correct typo.
5677 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5679 * tree.h (tree_value_handle): Remove struct value_set declaration.
5680 Change value_set to bitmap_set.
5681 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5682 * tree-vn.c (get_value_handle): Made inline and moved to
5684 * tree-flow-inline.h: (has_stmt_ann): New function.
5685 * tree-ssa-pre.c (expressions): New variable.
5686 (next_expression_id): Ditto.
5687 (alloc_expression_id): New function.
5688 (struct value_set): Remove.
5689 (get_expression_id): New function.
5690 (get_or_alloc_expression_id): Ditto.
5691 (expression_for_id): Ditto.
5692 (clear_expression_ids): Ditto.
5693 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5694 (bb_value_sets): Renamed to bb_bitmap_sets.
5695 All value sets replaced with bitmap_sets.
5697 (BB_VISITED): New macro.
5698 (postorder): New variable.
5699 (add_to_value): Removed.
5700 (value_exists_in_set_bitmap): Ditto.
5701 (value_insert_into_set_bitmap): Ditto.
5704 (set_remove): Ditto.
5705 (set_contains_value): Ditto.
5706 (insert_into_set): Ditto.
5708 (find_leader): Ditto.
5709 (bitmap_set_subtract_from_value_set): Ditto.
5710 (value_insert_into_set): Ditto.
5711 (print_value_set): Ditto.
5712 (debug_value_set): Ditto.
5713 (constant_expr_p): New function.
5714 (bitmap_remove_from_set): Ditto.
5715 (bitmap_insert_into_set): Ditto.
5716 (bitmap_set_free): Ditto.
5717 (vh_compare): Ditto.
5718 (sorted_array_from_bitmap_set): Ditto.
5719 (bitmap_set_subtract): Ditto.
5720 (bitmap_set_equal): Ditto.
5721 (debug_bitmap_set): Ditto.
5722 (find_leader_in_sets): Ditto.
5723 (bitmap_set_replace_value): Modify for bitmapped sets.
5724 (phi_translate): Ditto.
5725 (phi_translate_set): Ditto.
5726 (bitmap_find_leader): Ditto.
5727 (valid_in_sets): Ditto.
5728 (union_contains_value): Ditto.
5730 (compute_antic_aux): Ditto. Mark changed blocks.
5731 (compute_antic): Ditto. Iterate in postorder and only over
5733 (compute_rvuse_and_antic_safe): Reuse postorder.
5734 (create_component_ref_by_pieces): Modify for bitmapped sets.
5735 (find_or_generate_expression): Ditto.
5736 (create_expression_by_pieces): Ditto.
5737 (insert_into_preds_of_block): Ditto.
5738 (changed_blocks): New variable.
5739 (do_regular_insertion): Broken out from insert_aux.
5740 (insert_aux): Modified for bitmapped sets.
5741 (find_existing_value_expr): New function.
5742 (create_value_expr_from): Use it.
5743 (insert_extra_phis): Removed.
5744 (print_bitmap_set): Renamed from bitmap_print_value_set.
5745 (compute_avail): Handle RETURN_EXPR.
5746 (init_pre): Modify for bitmapped sets.
5747 * tree-flow.h (has_stmt_ann): New function.
5749 2006-10-29 Roger Sayle <roger@eyesopen.com>
5751 * builtins.c (fold_builtin_floor): Check for the availability of
5752 the C99 trunc function before transforming floor into trunc.
5754 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5756 * builtins.c (fold_builtin_hypot): Rearrange recursive
5757 transformation before others, and also do ABS_EXPR. When
5758 necessary, check flag_unsafe_math_optimizations. When necessary,
5761 2006-10-29 Roger Sayle <roger@eyesopen.com>
5763 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
5764 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
5765 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
5766 Fold -X eq/ne -Y as X eq/ne Y.
5768 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5770 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
5771 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
5772 rather than GENERATE_MULT3_SI in the various define_peephole2s.
5773 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
5774 Use an inclusive test for "mult" rather than "mul".
5775 (rotr<mode>3): Depend on ISA_HAS_ROR.
5776 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
5778 (GENERATE_MULT3_DI): Delete.
5779 (ISA_HAS_64BIT_REGS): Use consistent formatting.
5780 (ISA_HAS_MUL3): New macro.
5781 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
5782 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
5783 (ISA_HAS_CLZ_CLO): Likewise.
5784 (ISA_HAS_DCLZ_DCLO): Delete.
5785 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
5786 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
5787 the VR4120 and VR4130.
5788 (ISA_HAS_MACCHI): Use consistent formatting.
5789 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
5790 (ISA_HAS_ROR): ...this new macro.
5791 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
5792 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
5793 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
5795 2006-10-29 Roger Sayle <roger@eyesopen.com>
5797 PR tree-optimization/15458
5798 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
5801 2006-10-29 Richard Guenther <rguenther@suse.de>
5803 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
5804 (ix86_expand_truncdf_32): Likewise.
5805 * config/i386/i386.c (ix86_expand_trunc): New function expanding
5806 trunc inline for SSE math and -fno-trapping-math and if not
5807 optimizing for size.
5808 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
5809 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
5810 for expanding btrunc inline for SSE math.
5812 2006-10-29 Joseph Myers <joseph@codesourcery.com>
5814 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
5815 Handle tuning for bi-arch i[34567]86-*-linux* like that for
5816 i[34567]86-*-solaris2.1[0-9]*.
5817 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
5818 Define conditionally depending on TARGET_64BIT_DEFAULT.
5819 (SPEC_32, SPEC_64): Define.
5820 (LINK_SPEC): Use them.
5821 * doc/install.texi (--enable-targets=all): Document for x86-linux.
5823 2006-10-29 Richard Guenther <rguenther@suse.de>
5825 * config/i386/i386-protos.h (ix86_expand_round): Declare.
5826 (ix86_expand_rounddf_32): Likewise.
5827 * config/i386/i386.c (ix86_expand_round): New function expanding
5828 round inline for SSE math and -fno-trapping-math and if not
5829 optimizing for size.
5830 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
5831 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
5832 round via ix86_expand_round.
5834 2006-10-29 Richard Guenther <rguenther@suse.de>
5836 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
5837 (ix86_expand_floorceildf_32): Likewise.
5838 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
5839 static helper function.
5840 (ix86_expand_floorceil): Expander for floor and ceil to SSE
5842 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
5843 * config/i386/i386.md (floordf2): Adjust to enable floor
5844 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
5845 -fno-trapping-math is enabled and if not optimizing for size.
5846 (floorsf2, ceildf2, ceilsf2): Likewise.
5847 * config/i386/sse.md (sse_maskcmpsf3): New insn.
5848 (sse2_maskcmpdf3): Likewise.
5850 2006-10-29 Richard Guenther <rguenther@suse.de>
5852 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
5853 rint in case -fno-trapping-math is enabled.
5854 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
5855 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
5856 (ix86_expand_sse_fabs): Likewise.
5857 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
5858 * config/i386/i386.md (rintdf2): Enable for SSE math if
5859 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
5860 (rintsf2): Likewise.
5862 2006-10-29 Richard Guenther <rguenther@suse.de>
5864 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
5865 to conversion optabs.
5866 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
5867 as conversion optab.
5868 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
5869 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
5870 (lfloor_optab, lceil_optab): Adjust defines.
5871 * builtins.c (expand_builtin_int_roundingfn): Adjust for
5872 lfloor and lceil optabs now being conversion optabs.
5873 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
5874 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
5875 New static helper function.
5876 (ix86_expand_lfloorceil): New function to expand lfloor and
5878 * config/i386/i386.md (lfloor<mode>2): Split into ...
5879 (lfloorxf<mode>2): ... x87 variant
5880 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
5881 using ix86_expand_lfloorceil.
5882 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
5884 * doc/md.texi (lfloorMN, lceilMN): Document.
5886 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5888 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
5889 -mno-shared assembler option on mips targets.
5890 * configure, config.in: Regenerate.
5891 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
5892 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
5893 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
5895 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5897 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
5898 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
5900 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
5902 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
5903 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
5906 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5909 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
5910 (fold_builtin_pow): Evaluate constant arguments at compile-time
5912 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
5913 (do_mpfr_ckconv): New helper function.
5914 (do_mpfr_arg1): Use do_mpfr_ckconv.
5915 (do_mpfr_arg2): New.
5917 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
5920 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
5921 (-fdump-rtl-sched): Rename to ..
5922 (-fdump-rtl-sched1): here. Also fix file extension number.
5924 2006-10-28 Richard Guenther <rguenther@suse.de>
5926 * fold-const.c (maybe_canonicalize_comparison): Fix code
5929 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5931 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
5932 (NON_QI_REG_P): Use IN_RANGE.
5933 (REX_INT_REGNO_P): Use IN_RANGE.
5934 (FP_REGNO_P): Use IN_RANGE.
5935 (SSE_REGNO_P): Use IN_RANGE.
5936 (REX_SSE_REGNO_P): Use IN_RANGE.
5937 (MMX_REGNO_P): Use IN_RANGE.
5938 (STACK_REGNO_P): New macro.
5939 (STACK_REG_P): Use STACK_REGNO_P.
5940 (NON_STACK_REG_P): Use STACK_REGNO_P.
5941 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
5942 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
5943 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
5944 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
5945 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
5947 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
5949 * except.h (output_function_exception_table): Add 'const char*' param.
5950 * except.c (switch_to_exception_section): Add 'const char*' param.
5951 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5952 and flag_function_sections is set, use a function-specific section.
5953 (output_function_exception_table): Add 'const char*' param.
5954 Adjust call to switch_to_exception_section.
5955 * final.c (rest_of_handle_final): Adjust calls to
5956 output_function_exception_table.
5957 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
5958 * config.in: Regenerate.
5959 * configure: Likewise.
5961 2006-10-28 Richard Guenther <rguenther@suse.de>
5964 * fold-const.c (maybe_canonicalize_comparison_1): Helper
5965 for maybe_canonicalize_comparison.
5966 (maybe_canonicalize_comparison): New function for canonicalizing
5968 (fold_comparison): Call it to canonicalize comparisons with
5971 2006-10-28 Richard Guenther <rguenther@suse.de>
5974 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5975 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
5976 (expand_builtin): Adjust likewise.
5977 * genopinit.c (optabs[]): Add lround optab.
5978 * optabs.c (init_optabs): Initialize lround_optab.
5979 * optabs.h (enum convert_optab_index): Add COI_lround.
5980 (lround_optab): Define.
5981 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
5982 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
5984 (ix86_expand_lround): New function.
5985 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
5987 * doc/md.texi (lroundMN2): Document.
5989 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5992 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
5993 argument to HOST_WIDE_INT. Update function prototype.
5994 (round_frame_size): Change return type to HOST_WIDE_INT. Change
5995 "size" argument to HOST_WIDE_INT. Update function prototype.
5997 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5999 * config/i386/i386.c (output_387_ffreep): Create output from a
6000 template string for !HAVE_AS_IX86_FFREEP.
6002 2006-10-27 Eric Christopher <echristo@apple.com>
6004 * config/darwin.c: Fix formatting and grammar.
6006 2006-10-27 Jan Hubicka <jh@suse.cz>
6008 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6009 to be thrown away soon when IGNORE is set.
6010 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6011 indicating when return value shall not be computed.
6012 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6014 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6016 * config/i386/i386.h (TARGET_GEODE):
6017 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6018 (TARGET_CPU_DEFAULT_geode): New macro.
6019 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6020 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6021 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6022 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6023 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6025 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6026 (processor_type): Add PROCESSOR_GEODE.
6028 * config/i386/i386.md: Include geode.md.
6031 * config/i386/i386.c (geode_cost): New initialized global
6033 (m_GEODE, m_K6_GEODE): New macros.
6034 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6035 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6036 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6037 x86_schedule): Use m_K6_GEODE instead of m_K6.
6038 (x86_movx, x86_cmove): Set up m_GEODE.
6039 (x86_integer_DFmode_moves): Clear m_GEODE.
6040 (processor_target_table): Add entry for geode.
6041 (processor_alias_table): Ditto.
6043 * config/i386/geode.md: New file.
6045 * doc/invoke.texi: Add entry about geode processor.
6047 2006-10-27 Mike Stump <mrs@apple.com>
6049 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6050 __DYNAMIC__ from here back to ...
6051 * config/darwin.h (CPP_SPEC): ... here.
6053 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6054 Nathan Sidwell <nathan@codesourcery.com>
6056 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6057 when choosing the minimum heapsize.
6059 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6061 * gcc/unwind-dw2.h: Move cfa-related variables into
6062 struct frame_state_reg_info to ensure that the CFA is properly
6063 handled when executing DW_CFA_{remember,restore}_state.
6064 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6065 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6066 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6067 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6068 gcc/config/rs6000/linux-unwind.h,
6069 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6070 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6071 Modify to use new cfa_* fields.
6073 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6075 * config/s390/s390.c (s390_init_frame_layout): Check positive
6078 2006-10-26 Ben Elliston <bje@au.ibm.com>
6080 * gimplify.c (get_name): Remove extraneous break.
6081 (gimplify_omp_for): Initialise ret with GS_OK.
6083 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6085 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6086 Add unix98.o to link line.
6088 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6091 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6092 Calculate compile-time constants using MPFR.
6093 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6094 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6096 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6098 * config/xtensa/lib2funcs.S: Use C-style comments.
6100 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6102 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6103 (file_table_relative_p): Likewise.
6104 (dwarf2out_finish): Likewise.
6105 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6107 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6109 * tree-ssa-structalias.c (intra_create_variable_infos):
6110 Don't recreate nonlocal_all if it already exists.
6112 2006-10-25 Richard Guenther <rguenther@suse.de>
6115 * optabs.h (enum optab_index): Remove OTI_lrint.
6116 (enum convert_optab_index): Add COI_lrint.
6117 (lrint_optab): Adjust.
6118 (expand_sfix_optab): Declare.
6119 * optabs.c (expand_sfix_optab): New function.
6120 (init_optabs): Init lrint_optab as conversion optab.
6121 * genopinit.c (lrint_optab): Change to a conversion optab.
6122 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6123 expansion via conversion optab.
6124 * config/i386/i386.md (*fistdi2_1): Remove
6125 flag_unsafe_math_optimizations guard.
6126 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6127 fist<mode>2_with_temp): Likewise.
6128 (lrint<mode>2): Split into...
6129 (lrintxf<mode>2): ... x87 part
6130 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6131 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6132 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6133 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6134 * doc/md.texi (lrintMN2): Document.
6136 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6139 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6140 Use inc and dec instructions for TARGET_USE_INCDEC.
6141 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6142 ("sync_double_compare_and_swap<mode>"): Likewise.
6143 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6144 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6145 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6146 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6147 ("sync_old_add<mode>"): Likewise.
6148 ("sync_lock_test_and_set<mode>"): Likewise.
6149 ("sync_lock_test_and_set<mode>"): Likewise.
6150 ("sync_add<mode>"): Likewise.
6151 ("sync_sub<mode>"): Likewise.
6152 ("sync_ior<mode>"): Likewise.
6153 ("sync_and<mode>"): Likewise.
6154 ("sync_xor<mode>"): Likewise.
6156 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6158 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6159 (remainder_optab): Define corresponding macro.
6160 (drem_optab): Remove.
6161 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6162 drem_optab initialization.
6163 * genopinit.c (optabs): Implement remainder_optab using
6164 remainder?f3 patterns. Remove drem_optab.
6165 * builtins.c (expand_builtin_mathfn_2): Handle
6166 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6167 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6168 expand_builtin_mathfn_2.
6170 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6171 depend on flag_unsafe_math_optimizations.
6173 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6174 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6175 Do not depend on flag_unsafe_math_optimizations. Use
6176 truncxf?f expander instead of truncxf?f_i387_noop.
6178 ("fpremxf4", "fprem1xf4"): Do not depend on
6179 flag_unsafe_math_optimizations.
6180 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6181 flag_unsafe_math_optimizations. Use truncxf?f expander
6182 instead of truncxf?f_i387_noop.
6184 * doc/md.texi (fmod, remainder): Document standard named pattern.
6186 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6187 David Daney <ddaney@avtrex.com>
6190 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6192 2006-10-25 Ben Elliston <bje@au.ibm.com>
6194 * doc/extend.texi (Variable Attributes): Typo fix.
6196 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6198 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6199 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6200 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6201 (FRAME_POINTER_REGNUM): Update register number to 21.
6202 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6203 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6205 * config/i386/i386.c (regclass_map): Add fpcr entry.
6206 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6208 (print_reg): Assert REGNO (x) != FPCR_REG.
6210 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6211 (DIRFLAG_REG): Renumber.
6212 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6213 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6214 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6215 hardcoded SSE register numbers.
6217 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6218 hardcoded MMX register numbers.
6220 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6223 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6224 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6226 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6227 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6228 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6229 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6231 2006-10-24 Richard Guenther <rguenther@suse.de>
6234 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6235 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6236 for deciding optimizations in consistency with fold-const.c
6237 (fold_builtin_unordered_cmp): Likewise.
6239 2006-10-24 Richard Guenther <rguenther@suse.de>
6241 * builtins.c (fold_builtin_floor): Fold floor (x) where
6242 x is nonnegative to trunc (x).
6243 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6244 nonnegative to FIX_TRUNC_EXPR.
6246 2006-10-24 Richard Guenther <rguenther@suse.de>
6248 PR tree-optimization/29567
6249 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6250 for TRUTH_NOT_EXPR. Clarify comments.
6252 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6255 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6256 at compile-time using MPFR. Change parameter VALUE to FUNC,
6258 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6259 for overflow and underflow at all times and avoid folding in
6262 2006-10-24 Ben Elliston <bje@au.ibm.com>
6264 * reload1.c: Formatting fixes.
6266 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6268 PR tree-optimization/14784
6269 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6270 * tree-ssa-structalias.c (get_constraint_for,
6271 intra_create_variable_infos): Set is_heapvar.
6272 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6273 non-heapvar pointer variables specially.
6275 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6278 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6279 fold_builtin_tan): Fold all constant arguments. Take a "type"
6280 argument as necessary.
6281 (do_mpfr_arg1): New.
6282 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6284 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6286 * config/xtensa/lib1funcs.asm: Use C-style comments.
6288 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6290 * tree.c (local_define_builtin): Replace calls to
6291 lang_hooks.builtin_function with add_builtin_function.
6292 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6294 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6296 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6297 common code to add_builtin_function.
6298 * langhooks.c (add_builtin_function): New function.
6299 (lhd_builtin_function): New function.
6300 * langhooks.h (struct lang_hooks): Change the signature of
6302 (add_builtin_function): New function.
6303 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6304 calls to lang_hooks.builtin_function with add_builtin_function.
6305 * c-common.c (decl_builtin_1): Replace calls to
6306 lang_hooks.builtin_function with add_builtin_function.
6307 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6308 lang_hooks.builtin_function with add_builtin_function.
6309 * config/frv/frv.c (def_builtin): Replace calls to
6310 lang_hooks.builtin_function with add_builtin_function.
6311 * config/s390/s390.c (s390_init_builtins): Replace calls to
6312 lang_hooks.builtin_function with add_builtin_function.
6313 * config/sparc/sparc.c (def_builtin): Replace calls to
6314 lang_hooks.builtin_function with add_builtin_function.
6315 * config/i386/i386.c (def_builtin): Replace calls to
6316 lang_hooks.builtin_function with add_builtin_function.
6317 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6318 lang_hooks.builtin_function with add_builtin_function.
6319 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6320 lang_hooks.builtin_function with add_builtin_function.
6321 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6322 Replace calls to lang_hooks.builtin_function with
6323 add_builtin_function.
6324 * config/iq2000/iq2000.c (def_builtin):
6325 Replace calls to lang_hooks.builtin_function with
6326 add_builtin_function.
6327 * config/ia64/ia64.c (def_builtin): Replace calls to
6328 lang_hooks.builtin_function with add_builtin_function.
6329 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6330 lang_hooks.builtin_function with add_builtin_function.
6331 (altivec_init_builtins): Replace calls to
6332 lang_hooks.builtin_function with add_builtin_function.
6333 * config/arm/arm.c (def_mbuiltin): Replace calls to
6334 lang_hooks.builtin_function with add_builtin_function.
6335 (arm_init_tls_builtins): Replace calls to
6336 lang_hooks.builtin_function with add_builtin_function.
6337 * config/mips/mips.c (mips_init_builtins): Replace calls to
6338 lang_hooks.builtin_function with add_builtin_function.
6339 * config/bfin/bfin.c (def_builtin): Replace calls to
6340 lang_hooks.builtin_function with add_builtin_function.
6341 * langhooks-def.h (lhd_builtin_function): New function.
6342 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6344 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6346 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6347 BUILT_IN_STRNCAT_CHK.
6349 2006-10-23 Jan Hubicka <jh@suse.cz>
6351 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6352 don't do conversion from memmove to memcpy here.
6353 (expand_builtin_bcopy, expand_builtin): Update call of
6354 expand_builtin_memmove.
6355 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6357 2006-10-23 Paul Brook <paul@codesourcery.com>
6359 * stor-layout.c (start_record_layout): maximum_field_alignment
6360 overrides STRUCTURE_SIZE_BOUNDARY.
6362 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6364 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6365 nonlocal function symbols if flag_pic.
6367 2006-10-23 Richard Guenther <rguenther@suse.de>
6371 * builtins.c (fold_binary): Remove checks for flag_wrapv
6372 and flag_trapv where negate_expr_p covers these cases.
6374 2006-10-23 Richard Guenther <rguenther@suse.de>
6377 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6378 of two on the absolute value.
6379 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6380 and negating -C does not overflow.
6382 2006-10-23 Richard Guenther <rguenther@suse.de>
6385 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6386 only if not flag_rounding_math.
6388 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6389 Kaz Kojima <kkojima@gcc.gnu.org>
6392 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6393 SImode memory reference for the source of a movua.
6394 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6395 (movua): Use an unspec instead of sign_extract. Expect the source
6396 to have mode BLKmode.
6397 (extv, insv): Use a BLKmode rather than SImode memory reference
6398 for the source of a movua.
6400 2006-10-22 Jeff Law <law@redhat.com>
6401 Richard Guenther <rguenther@suse.de>
6403 PR tree-optimization/15911
6404 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6405 (register_edge_assert_for_1): Likewise.
6406 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6407 (find_conditional_asserts): Adjust for new function signature.
6408 (find_assert_locations): Likewise.
6410 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6412 * config/i386/tmmintrin.h: Remove the duplicated content.
6414 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6416 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6417 (x86_64-*-*): Likewise.
6419 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6420 (override_options): Check SSSE3.
6421 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6422 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6423 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6424 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6425 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6426 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6427 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6428 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6429 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6430 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6431 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6432 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6433 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6434 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6435 IX86_BUILTIN_PABSD128.
6436 (bdesc_2arg): Add SSSE3.
6437 (bdesc_1arg): Likewise.
6438 (ix86_init_mmx_sse_builtins): Support SSSE3.
6439 (ix86_expand_builtin): Likewise.
6440 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6442 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6443 (UNSPEC_PSIGN): Likewise.
6444 (UNSPEC_PALIGNR): Likewise.
6445 Include mmx.md before sse.md.
6447 * config/i386/i386.opt: Add -mssse3.
6449 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6450 (ssse3_phaddwv4hi3): Likewise.
6451 (ssse3_phadddv4si3): Likewise.
6452 (ssse3_phadddv2si3): Likewise.
6453 (ssse3_phaddswv8hi3): Likewise.
6454 (ssse3_phaddswv4hi3): Likewise.
6455 (ssse3_phsubwv8hi3): Likewise.
6456 (ssse3_phsubwv4hi3): Likewise.
6457 (ssse3_phsubdv4si3): Likewise.
6458 (ssse3_phsubdv2si3): Likewise.
6459 (ssse3_phsubswv8hi3): Likewise.
6460 (ssse3_phsubswv4hi3): Likewise.
6461 (ssse3_pmaddubswv8hi3): Likewise.
6462 (ssse3_pmaddubswv4hi3): Likewise.
6463 (ssse3_pmulhrswv8hi3): Likewise.
6464 (ssse3_pmulhrswv4hi3): Likewise.
6465 (ssse3_pshufbv16qi3): Likewise.
6466 (ssse3_pshufbv8qi3): Likewise.
6467 (ssse3_psign<mode>3): Likewise.
6468 (ssse3_psign<mode>3): Likewise.
6469 (ssse3_palignrti): Likewise.
6470 (ssse3_palignrdi): Likewise.
6471 (abs<mode>2): Likewise.
6472 (abs<mode>2): Likewise.
6474 * config/i386/tmmintrin.h: New file.
6476 * doc/extend.texi: Document SSSE3 built-in functions.
6478 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
6480 2006-10-22 Ira Rosen <irar@il.ibm.com>
6482 * tree-vect-transform.c (vectorizable_load): Use the type of the
6483 return value of the mask_for_load builtin to create realign_load
6486 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6488 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6491 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6493 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6494 (UNSPEC_LDDQU): This.
6495 * config/i386/sse.md (sse3_lddqu): Updated.
6497 2006-10-21 Richard Guenther <rguenther@suse.de>
6499 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6500 (expand_builtin): Use it to expand lrint instead of
6501 expand_builtin_mathfn.
6503 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6506 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6507 flag_unsafe_math_optimizations is set.
6509 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6512 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6513 patterns to use memory input operand in x87->mem->XMM
6514 reload sequences. Skip transformation for TARGET_K8.
6516 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6518 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6519 force operand1 to register if both operands are memory operands.
6520 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6521 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6522 if both operands are memory operands.
6523 (truncdfsf2): Do not force operand1 to register if both operands
6524 are memory operands.
6526 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6528 * Makefile.in (LIBS): Add $(GMPLIBS).
6529 * doc/install.texi: Update GMP and MPFR requirements.
6530 * doc/sourcebuild.texi (need_gmp): Delete.
6532 2006-10-21 Richard Guenther <rguenther@suse.de>
6534 PR tree-optimization/3511
6535 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6536 got new invariant arguments during PHI translation.
6538 2006-10-21 Richard Guenther <rguenther@suse.de>
6541 * fold-const.c (fold_comparison): Fold signed comparisons
6542 of the form X +- C1 CMP Y +- C2.
6544 2006-10-21 Richard Guenther <rguenther@suse.de>
6547 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6548 if flag_unsafe_math_optimizations is specified. We have
6549 flag_finite_math_only for that.
6550 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6551 or flag_unsafe_math_optimizations.
6553 2006-10-21 Richard Guenther <rguenther@suse.de>
6555 * builtins.c (fold_builtin_classify): Fix typo.
6557 2006-10-21 Richard Guenther <rguenther@suse.de>
6560 * simplify-rtx.c (simplify_const_relational_operation):
6561 Do not constant-fold ORDERED and UNORDERED for
6562 flag_unsafe_math_optimizations but only we do not need to
6563 honor NaNs for the given mode.
6565 2006-10-21 Richard Guenther <rguenther@suse.de>
6568 * config/i386/i386.c (classify_argument): Remove redundant
6569 walking of the BINFOs.
6570 (contains_128bit_aligned_vector_p): Likewise.
6572 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6574 * BASE-VER: Set to 4.3.0.
6576 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6578 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6579 (tree_decl_with_vis): Remove artificial_pta_var flag.
6580 * tree-flow.h (referenced_var_check_and_insert): Expose.
6581 (nonlocal_all): New prototype.
6582 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6583 (nonlocal_all): Make global.
6584 (nonlocal_lookup): Remove.
6585 (nonlocal_insert): Ditto.
6586 (create_nonlocal_var): Do not call nonlocal_insert.
6587 (get_nonlocal_id_for_type): Remove.
6588 (find_global_initializers): Mark new vars we find for renaming.
6589 (intra_create_variable_infos): Only create one nonlocal.
6590 (expand_nonlocal_solutions): Remove.
6591 (compute_points_to_sets): Don't call it.
6592 (ipa_pta_execute): Ditto.
6593 (init_alias_heapvars): Don't create nonlocal_for_type.
6594 (delete_alias_heapvars): Don't remove it.
6595 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6598 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6600 * doc/install.texi (Downloading GCC): Clarify mention of
6601 Fortran in the "full distribution" description.
6603 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6605 Fix PR tree-optimization/28778
6606 Fix PR tree-optimization/29156
6607 Fix PR tree-optimization/29415
6608 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6609 (tree_decl_with_vis): Add artificial_pta_var flag.
6610 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6611 pushed into callers.
6612 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6613 (nonlocal_all): Ditto.
6614 (struct variable_info): Add directly_dereferenced member.
6615 (var_escaped_vars): New variable.
6616 (escaped_vars_tree): Ditto.
6617 (escaped_vars_id): Ditto.
6618 (nonlocal_vars_id): Ditto.
6619 (new_var_info): Set directly_dereferenced.
6620 (graph_size): New variable
6621 (build_constraint_graph): Use graph_size.
6622 (solve_graph): Don't process constraints that cannot change the
6623 solution, don't try to propagate an empty solution to our
6625 (process_constraint): Set directly_dereferenced.
6626 (could_have_pointers): New function.
6627 (get_constraint_for_component_ref): Don't process STRING_CST.
6628 (nonlocal_lookup): New function.
6629 (nonlocal_insert): Ditto.
6630 (create_nonlocal_var): Ditto.
6631 (get_nonlocal_id_for_type): Ditto.
6632 (get_constraint_for): Allow results vector to be empty in the case
6633 of string constants.
6634 Handle results of calls properly.
6635 (update_alias_info): Update alias info stats on number and type of
6637 (find_func_aliases): Use could_have_pointers.
6638 (make_constraint_from_escaped): Renamed from
6639 make_constraint_to_anything, and changed to make constraints from
6641 (make_constraint_to_escaped): New function.
6642 (find_global_initializers): Ditto.
6643 (create_variable_info_for): Make constraint from escaped to any
6644 global variable, and from any global variable to the set of
6646 (intra_create_variable_infos): Deal with escaped instead of
6647 pointing to anything.
6648 (set_uids_in_ptset): Do type pruning on directly dereferenced
6650 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
6651 (init_base_vars): Fix comment, and initialize escaped_vars.
6652 (need_to_solve): Removed.
6653 (find_escape_constraints): New function.
6654 (expand_nonlocal_solutions): Ditto.
6655 (compute_points_to_sets): Call find_escape_constraints and
6656 expand_nonlocal_solutions.
6657 (delete_points_to_sets): Don't fall off the end of the graph.
6658 (init_alias_heapvars): Initialize nonlocal_for_type and
6660 (delete_alias_heapvars): Free nonlocal_for_type and null out
6663 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
6665 * fold-const.c (add_double): Rename to add_double_with_sign.
6666 Add 'unsigned_p' parameter and take it into account for the overflow.
6667 (mul_double): Rename to mul_double_with_sign.
6668 Add 'unsigned_p' parameter and take it into account for the overflow.
6669 (fold_div_compare): Call add_double_with_sign instead of add_double
6670 and mul_double_with_sign instead of mul_double, passing them the
6671 unsignedness of the type.
6672 * tree.h (add_double): Macroize.
6673 (add_double_with_sign): New prototype.
6674 (mul_double): Macroize.
6675 (mul_double_with_sign): New prototype.
6677 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6679 * config/score/crti.asm: New file.
6680 * config/score/crtn.asm: New file.
6681 * config/score/elf.h: New file.
6682 * config/score/mac.md: New file.
6683 * config/score/misc.md: New file.
6684 * config/score/mul-div.S: New file.
6685 * config/score/predicates.md: New file.
6686 * config/score/score7.md: New file.
6687 * config/score/score.c: New file.
6688 * config/score/score-conv.h: New file.
6689 * config/score/score.h: New file.
6690 * config/score/score.md: New file.
6691 * config/score/score-mdaux.c: New file.
6692 * config/score/score-mdaux.h: New file.
6693 * config/score/score-modes.def: New file.
6694 * config/score/score.opt: New file.
6695 * config/score/score-protos.h: New file.
6696 * config/score/score-version.h: New file.
6697 * config/score/t-score-elf: New file.
6698 * config.gcc: Add score*-*-* configurations(Update before).
6699 * doc/invoke.texi (Score Options): New section.
6700 * doc/md.texi (Score family): New section to document constraints.
6702 2006-10-19 Nick Clifton <nickc@redhat.com>
6704 * config/arm/arm.c: Fix spelling typo.
6706 2006-10-18 Tom Tromey <tromey@redhat.com>
6708 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6710 2006-10-18 Jan Hubicka <jh@suse.cz>
6713 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
6716 2006-10-18 Marcin Dalecki <martin@dalecki.de>
6718 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
6719 TSI_SAME_STMT, since that's the desired entity.
6721 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
6723 * config/s390/contraints.md: New file.
6724 * config/s390/s390-protos.h (s390_mem_constraint,
6725 s390_O_constraint_str, s390_N_constraint_str,
6726 s390_float_const_zero_p): Function prototypes added.
6727 * config/s390/s390.c (s390_extra_constraint_str,
6728 s390_const_double_ok_for_constraint_p,
6729 s390_const_ok_for_constraint_p): Functions removed.
6730 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
6731 s390_float_const_zero_p): New functions.
6732 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
6733 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
6734 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
6735 Macro definitions removed.
6736 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
6737 s390_extra_constraint_str): Functions removed.
6739 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
6740 Richard Sandiford <richard@codesourcery.com>
6743 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6744 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
6746 2006-10-16 Geoffrey Keating <geoffk@apple.com>
6748 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
6749 (DWARF2_FRAME_REG_OUT): Likewise.
6750 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
6751 (DWARF2_FRAME_REG_OUT): Likewise.
6753 2006-10-17 Paul Brook <paul@codesourcery.com>
6755 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
6757 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6759 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
6760 Standardize on "GNU Fortran" as the official name of the Fortran
6763 2006-10-16 Mike Stump <mrs@apple.com>
6765 * doc/invoke.texi (Darwin Options): Document -mkernel.
6766 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
6768 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
6769 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
6770 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
6771 (OS_MISSING_ALTIVEC): Add.
6772 * config/i386/i386.c (override_options): Add
6773 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
6774 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
6775 -mkernel, -static or -mdynamic-no-pic is given.
6776 (C_COMMON_OVERRIDE_OPTIONS): Add.
6777 * config/darwin.opt (fapple-kext): Add.
6779 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
6780 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
6782 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
6783 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
6784 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
6785 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
6786 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
6787 (flag_mkernel): Add.
6788 (flag_apple_kext): Add.
6789 (TARGET_KEXTABI): Add.
6790 * config/darwin.c (darwin_handle_kext_attribute): Add.
6791 (DARWIN_VTABLE_P): Add.
6792 (darwin_binds_local_p): Add partial support for rebinding vtables
6794 (darwin_kextabi_p): Add.
6795 (darwin_override_options): Add.
6796 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
6797 (darwin_kextabi_p): Add.
6798 (darwin_override_options): Add.
6799 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
6800 __DYNAMIC__ and __STATIC__ here.
6802 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6804 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
6805 Added mention of "make pdf" target, and Texinfo requirements for
6808 2006-10-16 DJ Delorie <dj@redhat.com>
6810 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
6811 into the GOT in case we need a subreg of the address.
6813 2006-10-16 Richard Guenther <rguenther@suse.de>
6816 * doc/extend.texi (X86 Built-in Functions): Fix typos in
6817 SSE builtin documentation. Document SSE2 builtins.
6819 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6821 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
6822 symbol in the output file for non-shared links when -nostdlib or
6823 -nodefaultlibs isn't specified.
6825 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
6826 posix thread support.
6828 2006-10-15 Jan Hubicka <jh@suse.cz>
6831 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
6832 declared always_inline even when not inlining.
6834 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6835 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6836 Andrew Pinski <pinskia@gmail.com>
6839 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
6841 2006-10-15 Jan Hubicka <jh@suse.cz>
6842 Richard Guenther <rguenther@suse.de>
6845 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
6846 process_function_and_variable_attributes on all variables, including
6847 those discovered during cgraph construction phase.
6849 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
6851 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
6853 2006-10-14 Uros Bizjak <uros@kss-loka.si>
6855 * config/i386/athlon.md (athlon_fist): Add fisttp.
6857 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6858 Ian Lance Taylor <ian@airs.com>
6861 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
6862 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
6865 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
6867 * config/score/score.c, config/score/score.h: Fix comment
6870 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6873 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
6876 2006-10-13 Eric Christopher <echristo@apple.com>
6878 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
6880 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6883 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6884 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6885 alignment supported by 32-bit ELF.
6887 2006-10-13 Eric Christopher <echristo@apple.com>
6889 * config/darwin.c (darwin_emit_unwind_label): Strip
6890 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
6892 2006-10-13 Richard Guenther <rguenther@suse.de>
6894 PR tree-optimization/29446
6895 * tree-vrp.c (fix_equivalence_set): Remove.
6896 (extract_range_from_assert): Do not call fix_equivalence_set.
6897 (debug_value_range): Print a newline.
6898 (compare_name_with_value): For equivalence sets with
6899 inconsistent value ranges conservatively bail out.
6900 (compare_names): Likewise.
6902 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6904 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
6905 and MPFR for gfortran.
6907 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6909 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6910 alignment supported by 32-bit ELF.
6912 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
6916 * c-typeck.c (digest_init): Always allow initializing vectors
6917 that have static storage duration with compound literals.
6918 * tree.c (build_type_attribute_qual_variant): New, based on
6919 build_type_attribute_variant.
6920 (build_type_attribute_variant): Rewrite using the former.
6921 (make_vector_type): Use build_type_attribute_qual_variant to build
6922 type variants. Use type_hash_canon on the others.
6924 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
6925 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
6927 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
6929 2006-10-12 Jan Hubicka <jh@suse.cz>
6932 * c-decl.c (c_make_fname_decl): Do not segfault in case where
6933 current_function_decl is set but current_function_scope is not.
6935 2006-10-12 Jie Zhang <jie.zhang@analog.com>
6937 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
6938 emit_insn to emit eh_return_internal instruction.
6939 (eh_return_internal): Explicitly set pc.
6941 2006-10-11 Richard Guenther <rguenther@suse.de>
6943 PR tree-optimization/28230
6944 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
6945 to the correct place.
6947 2006-10-11 Richard Guenther <rguenther@suse.de>
6950 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
6953 2006-10-10 Brooks Moses <bmoses@stanford.edu>
6955 * configure.ac: Added pdf to "Make-hooks"
6956 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
6957 targets and *.pdf file patterns in cleanup targets.
6958 * configure: Regenerated.
6960 2006-10-10 Anatoly Sokolov <aesok@post.ru>
6962 * config/avr/predicates.md: New file.
6963 * config/avr/avr.md: Include it.
6964 (REG_SP): New constant.
6965 (peepholes): Use predicates.
6966 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
6967 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
6968 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
6970 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
6972 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
6975 2006-10-10 Jakub Jelinek <jakub@redhat.com>
6978 * builtins.c (var_decl_component_p): New function.
6979 (fold_builtin_memset, fold_builtin_memory_op): Restrict
6980 single entry optimization to variables and components thereof.
6982 2006-10-10 Richard Guenther <rguenther@suse.de>
6984 PR rtl-optimization/29323
6985 * except.c (set_nothrow_function_flags): For functions
6986 that do not bind local bail out early.
6988 2006-10-10 Ben Elliston <bje@au.ibm.com>
6990 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
6993 2006-10-09 Richard Henderson <rth@redhat.com>
6995 Revert emutls patch.
6997 2006-10-09 Richard Guenther <rguenther@suse.de>
7000 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7003 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7006 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7007 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7008 * configure: Regenerate.
7009 * config.in: Regenerate.
7011 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7013 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7015 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7017 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7018 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7019 Remove stray newline.
7021 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7023 * config/mips/mips.c (mips_classify_symbol): Do not return
7024 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7025 (mips_in_small_data_p): Tweak comments.
7027 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7029 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7031 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7033 * gimplify.c, sched-int.h: Fix comment typos.
7035 * sched-int.h: Fix comment typos.
7037 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7039 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7041 * sched-ebb.c (begin_schedule_ready): Use them.
7042 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7043 add_to_speculative_block, create_check_block_twin, speculate_insn,
7044 fix_jump_move, move_block_after_check): Ditto.
7045 * sched-rgn.c (new_ready): Ditto.
7047 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7049 PR rtl-optimization/29128
7050 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7051 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7052 allow interblock movement of speculation checks.
7054 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7057 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7058 casted to integer type.
7059 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7060 if they are significantly more expensive than [reg + index] ones.
7062 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7064 PR tree-optimization/29330
7065 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7066 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7067 on newly allocated ddrs.
7068 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7069 to VEC (loop_p, heap) pointer.
7070 (compute_data_dependences_for_loop): Adjust caller.
7071 (free_dependence_relations): Free DDR_LOOP_NEST.
7073 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7074 free DEPENDENCE_RELATIONS and DATAREFS.
7077 * builtins.c (expand_builtin_sync_operation,
7078 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7079 Use convert_to_mode to handle promoted arguments.
7081 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7083 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7085 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7087 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7089 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7091 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7092 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7093 Use <modeconstraint> instead of "r" as operand 1 constraint.
7095 2006-10-06 Olivier Hainque <hainque@adacore.com>
7097 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7098 Don't recurse on the pointed-to type.
7099 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7100 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7101 types with components of variable size.
7103 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7105 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7107 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7109 PR tree-optimization/29290
7110 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7114 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7115 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7118 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7119 the number of vector elements fill the rest with zeros.
7121 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7123 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7124 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7127 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7129 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7130 unnamed pattern into subsi3. Use correct constraints/predicates.
7131 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7132 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7134 2006-10-05 Ira Rosen <irar@il.ibm.com>
7136 * doc/loop.texi: Add data references analysis description.
7138 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7140 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7142 2006-10-04 Richard Henderson <rth@redhat.com>
7143 Jakub Jelinek <jakub@redhat.com>
7145 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7146 * builtin-types.def (BT_WORD): Make unsigned.
7147 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7148 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7149 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7150 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7151 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7152 * cgraph.c (decide_is_variable_needed): Look at force_output.
7153 Recurse for emulated tls.
7154 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7155 checks redundant with decide_is_variable_needed.
7156 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7157 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7159 * expr.c (emutls_var_address): New.
7160 (expand_expr_real_1): Expand emulated tls.
7161 (expand_expr_addr_expr_1): Likewise.
7162 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7163 * output.h (emutls_finish): Declare.
7164 * toplev.c (compile_file): Call it.
7165 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7166 address before wrapping in CONST.
7167 * varasm.c (emutls_htab, emutls_object_type): New.
7168 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7169 (get_emutls_object_name, get_emutls_object_type): New.
7170 (get_emutls_init_templ_addr, emutls_decl): New.
7171 (emutls_common_1, emutls_finish): New.
7172 (assemble_variable): When emulating tls, swap decls; generate
7173 constructor for the emutls objects.
7174 (do_assemble_alias): When emulating tls, swap decl and target name.
7175 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7177 * emutls.c: New file.
7178 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7179 tls_object for real tls.
7181 2006-10-04 Zack Weinberg <zackw@panix.com>
7183 Fix bug in constraint-check generator, reported by Rask Ingemann
7185 * genpreds.c (add_constraint): Don't remove anything from the
7187 (write_tm_constrs_h): Detect whether "op" argument is used, and
7188 mark it ARG_UNUSED if it isn't.
7189 (write_insn_const_int_ok_for_constraint): Skip the part of the
7190 expression that would test whether "op" (which is not available
7191 here) is a CONST_INT.
7193 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7196 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7198 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7200 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7201 current Leopard versions.
7202 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7204 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7206 * doc/install.texi: Fix typos.
7208 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7210 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7211 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7212 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7214 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7216 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7217 arg to be struct mach_header_64* instead.
7219 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7222 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7223 side effects after the outer expression's post side effects.
7225 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7227 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7228 comments to reflect actual behavior and relationship between
7229 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7231 * doc/c-tree.texi (Working with declarations): Fix documentation
7232 of FIELD_DECL likewise.
7234 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7237 * doc/extend.texi: Add used variable attribute description.
7239 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7242 * c.opt (Woverride-init): New.
7243 * c-opts.c (c_common_post_options): Default warn_override_init to
7245 * c-typeck.c (add_pending_init, output_init_element): Warn for
7246 overriding initializers without side effects.
7247 * doc/invoke.texi (-Woverride-init): Document.
7250 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7252 PR rtl-optimization/28096
7253 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7254 assignment has already been used as a destination earlier in the block.
7256 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7258 * builtins.c (expand_builtin_setjmp): Delete.
7259 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7260 <BUILT_IN_SETJMP_SETUP>: New case.
7261 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7262 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7263 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7264 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7265 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7266 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7267 (lower_function_body): Initialize it to false. If it is set to true
7268 at the end of the processing, emit the setjmp dispatcher.
7269 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7270 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7271 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7272 on the rhs of the assignment.
7273 (lower_builtin_setjmp): New function.
7274 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7275 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7276 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7277 to detect calls that can go to non-local labels. Use specific
7278 helper to create the abnormal edges associated with them.
7279 <MODIFY_EXPR>: Likewise.
7280 (make_abnormal_goto_edges): New function extracted from...
7281 (make_goto_expr_edges): ...here. Call it for computed gotos.
7282 (simple_goto_p): Minor tweak.
7283 (tree_can_make_abnormal_goto): New predicate.
7284 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7285 (tree_purge_dead_abnormal_call_edges): New function.
7286 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7287 (tree_purge_dead_abnormal_call_edges): Likewise.
7288 (make_abnormal_goto_edges): Likewise.
7289 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7290 Purge all dead abnormal edges if the call was in the last statement.
7291 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7292 (execute_fixup_cfg): If there are non-local labels in the function,
7293 scan the basic blocks and split them at calls that can go to non-local
7294 labels or add missing abnormal call edges. Write down the CFG in the
7296 (pass_fixup_cfg): Remove TODO_dump_func flag.
7297 * unwind-sjlj.c: Poison setjmp.
7298 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7299 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7300 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7301 (DONT_USE_BUILTIN_SETJMP): Document it.
7303 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7306 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7307 to 1 when __ppc64__ is defined.
7308 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7310 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7312 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7314 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7315 * config/ia64/unwind-hpux.c: Delete.
7317 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7319 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7320 on the element before gimplifying it, instead of punting if it is of
7323 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7325 * doc/loop.texi: New file.
7326 * doc/gccint.texi: Reference loop.texi.
7327 * Makefile.in (loop.texi): Add.
7329 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7331 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7333 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7334 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7336 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7338 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7340 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7342 * doc/install.texi: Document required versions of GMP and MPFR.
7344 2006-09-27 Paul Brook <paul@codesourcery.com>
7347 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7349 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7351 * reload1.c (alter_reg): Require the alignment of the stack slot to
7352 be at least reg_max_ref_width bytes.
7353 (scan_paradoxical_subregs): Record the largest width in
7356 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7360 * tree-nested.c (struct nesting_info): Added static_chain_added.
7361 (convert_call_expr): Set static_chain_added when adding static
7362 chain. Handle OMP_PARALLEL and OMP_SECTION.
7364 2006-09-25 Matthias Klose <doko@debian.org>
7366 * doc/invoke.texi: Add missing full stop.
7368 2006-09-25 Richard Henderson <rth@redhat.com>
7370 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7371 before cgraph_function_flags_ready.
7373 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7374 Adam Nemet <anemet@caviumnetworks.com>
7376 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7377 determine_common_wider_type): New functions.
7378 (get_computation_aff): Use them to simplify arithmetic between
7379 UBASE and CBASE if they are shortened from the same type.
7381 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7384 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7385 -2147483647 - 1 instead of 0x80000000.
7387 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7389 * flags.h (HONOR_NANS): Fix typo in comment.
7391 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7393 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7395 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7399 * tree.c (merge_attributes, attribute_list_contained): If both
7400 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7402 * c-typeck.c (comptypes_internal): Don't consider aggregates
7403 in different TUs as compatible if there one set of attributes is
7404 not a subset of the other type's attributes.
7405 (composite_type): Try harder not to create a new aggregate type.
7407 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7409 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7410 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7411 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7412 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7413 than replicating condition above.
7414 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7416 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7417 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7418 the linker by default.
7420 2006-09-22 Mike Stump <mrs@apple.com>
7422 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7425 2006-09-22 Richard Guenther <rguenther@suse.de>
7428 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7429 sort of stack variables stable.
7431 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7434 * explow.c (force_reg): Set REG_POINTER flag according to
7437 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7439 PR tree-optimization/28888
7440 * tree-if-conv.c (combine_blocks): Rewritten.
7441 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7442 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7444 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7446 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7449 2006-09-21 Richard Sandiford <richard@codesourcery.com>
7451 * varasm.c (copy_constant): Fix reversed gcc_assert check.
7453 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7455 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
7457 2006-09-21 Roger Sayle <roger@eyesopen.com>
7460 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
7461 dw_fde_current_label, to be the start of the function, i.e. the same
7462 value as dw_fde_begin.
7464 2006-09-20 Richard Sandiford <richard@codesourcery.com>
7466 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
7467 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
7468 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
7469 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
7470 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
7471 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
7472 (abs<mode>2, neg<mode>2): Likewise.
7473 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
7474 (*mips_abs_ps): New define_insn.
7476 2006-09-20 Josh Conner <jconner@apple.com>
7479 * calls.c (expand_call): Allow reuse of structure return stack
7482 2006-09-20 Paul Brook <paul@codesourcery.com>
7484 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7487 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7489 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7490 clean up terminology.
7492 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7495 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7496 with tablejumps in them.
7498 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7501 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7502 wrap it into TARGET_EXPR.
7504 2006-09-20 Eric Christopher <echristo@apple.com>
7506 * config/i386/i386.c (x86_fisttp): Remove.
7507 * config/i386/i386.h (x86_fisttp): Ditto.
7508 (TARGET_FISTTP): Ditto.
7510 2006-09-19 Eric Christopher <echristo@apple.com>
7512 * doc/tm.texi (OBJC_JBLEN): Describe.
7513 * config/i386/darwin.h (OBJC_JBLEN): Define.
7514 * config/rs6000/darwin.h: Ditto.
7516 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7518 PR rtl-optimization/21299
7519 * reload1.c (reload): Purge invalid ASMs in the final pass.
7521 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7524 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7525 pointers as legitimate constants.
7527 2006-09-19 Paul Brook <paul@codesourcery.com>
7530 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7532 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7534 PR tree-optimization/28887
7535 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7536 component parts from the reference.
7537 (gather_memory_references_ref): Record the reference without the
7538 nonaddressable component parts.
7540 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7543 * c-opts.c (c_common_handle_option): Ignore the -std options
7544 if the input language is assembly.
7546 2006-09-17 Ira Rosen <irar@il.ibm.com>
7549 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7551 (ptr_ptr_may_alias_p): Likewise.
7552 (record_record_differ_p): New function.
7553 (base_object_differ_p): Call record_record_differ_p.
7555 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7558 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7559 away for the expr argument.
7561 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7564 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7565 before using it for dumping after vectorizing loops.
7567 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7568 Jack Howarth <howarth@bromo.med.uc.edu>
7571 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7572 skip on error_mark_node.
7573 (rs6000_darwin64_record_arg_recurse): Likewise.
7575 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7577 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7578 * doc/rtl.texi: Remove related documentation.
7580 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7582 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7585 2006-09-15 Jim Wilson <wilson@specifix.com>
7587 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7588 Handle symbol offsets same as they are handled in ia64_expand_move
7591 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7593 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7594 Add forgotten parameter to the fprintf call.
7596 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7598 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7600 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7602 * doc/contrib.texi: Add my entry.
7604 2006-09-15 Nick Clifton <nickc@redhat.com>
7606 * doc/md.texi (Processor pipeline description): Fix typo in
7607 example of how to use the absence_set directive and reword the
7608 description to make it slightly easier to read.
7610 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7612 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7613 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7614 expanding the number of iterations.
7615 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7617 * cfgrtl.c (emit_insn_at_entry): New function.
7618 * rtl.h (emit_insn_at_entry): Declare it.
7619 * integrate.c (emit_initial_value_sets): Use it.
7621 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7623 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7625 (struct loop_work and related VEC declarations): Delete.
7626 (bfin_dump_loops): Print out new member bad.
7627 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7628 (bfin_scan_loop): Don't recurse.
7629 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7630 loops. No longer need to update outer loops if the current one is
7631 found bad. Move some validitiy checks to bfin_discover_loop.
7632 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
7633 but changed not to check for nesting. Also changed to use the new bad
7635 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
7636 time. Use bitmap based test to discover loop nesting.
7638 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
7640 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
7643 2006-09-14 Richard Guenther <rguenther@suse.de>
7644 Kazu Hirata <kazu@codesourcery.com>
7646 PR middle-end/28884.
7647 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
7648 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7649 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
7650 with TARGET_FUNCTION_VALUE.
7652 2006-09-14 Anatoly Sokolov <aesok@post.ru>
7655 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
7657 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
7659 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
7662 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
7665 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7668 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7670 * basic_block.h (bb_has_eh_pred): Fix comment.
7672 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7674 * flow.c (calculate_global_regs_live): Invalidate eh registers
7675 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7676 (propagate_block): Handle eh registers as if they were set at basic
7678 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7680 * global.c (global_conflicts): Make eh registers to conflict with
7681 pseudos live at basic block begin.
7682 * basic_block.h (bb_has_eh_pred): New function.
7684 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7686 PR rtl-optimization/28982
7687 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7688 index of a PRE_MODIFY or POST_MODIFY address.
7689 * reload1.c (inc_for_reload): Use find_replacement on the original
7690 base and index registers.
7692 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7694 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7695 for -Os. Update __m128 alignment requirement.
7697 2006-09-13 Jan Hubicka <jh@suse.cz>
7699 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7701 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7703 PR rtl-optimization/28243
7704 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7705 the insn to which the note was originally attached.
7707 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7708 Roger Sayle <roger@eyesopen.com>
7710 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
7711 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
7712 on platforms that don't use dwarf for debug info.
7714 2006-09-12 Jason Merrill <jason@redhat.com>
7717 * builtins.c (expand_builtin_setjmp_receiver): Clobber
7718 hard_frame_pointer_rtx after using it to update the frame pointer.
7720 2006-09-12 Roger Sayle <roger@eyesopen.com>
7722 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
7723 (TARGET_ASM_CLOSE_PAREN): Likewise.
7724 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
7725 (TARGET_ASM_CLOSE_PAREN): Likewise.
7727 2006-09-12 Roger Sayle <roger@eyesopen.com>
7730 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
7731 frame information for frames larger than 512 Kbytes on Tru64 when
7732 using the native assembler.
7734 2006-09-12 Roger Sayle <roger@eyesopen.com>
7738 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
7739 and symbols. Instead use the implementation from cse.c's hash_rtx.
7741 2006-09-12 Jan Hubicka <jh@suse.cz>
7743 PR rtl-optimization/28071
7744 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
7745 (vect_transform_loop): Likewise.
7746 * tree-vectorizer.c (new_loop_vec_info): Likewise.
7747 (new_loop_vec_info): Likewise.
7748 (destroy_loop_vec_info): Likewise.
7749 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
7750 (create_stmt_ann): Likewise.
7751 (create_tree_ann): Rename to ...
7752 (create_tree_common_ann): ... this one; allocate only the common part
7754 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
7755 (get_value_handle): Likewise.
7756 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
7757 get_tree_common_ann.
7758 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
7759 (vinfo_for_stmt): Use stmt annotations.
7760 * tree-flow.h (tree_ann_common_t): New type.
7761 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
7762 (tree_ann, get_tree_ann, create_tree_ann): New.
7763 * tree-flow-inline.h (get_function_ann): Do more type checking.
7764 (stmt_ann): Likewise.
7765 (tree_ann): Rename to ...
7766 (tree_common_ann): ... this one; return ony common_ann
7767 (get_tree_ann): Rename to ...
7768 (tree_common_ann): This one; return only common_ann.
7769 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
7772 2006-09-11 Geoffrey Keating <geoffk@apple.com>
7774 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
7775 with_cpu by default.
7777 * dwarf2out.c (dwarf_file_data): New.
7778 (enum dw_val_class): Add dw_val_class_file.
7779 (struct dw_val_struct): Add val_file.
7780 (file_table): Change to a hash table.
7781 (file_table_emitted): Delete.
7782 (file_table_last_lookup_index): Delete.
7783 (emitcount): Delete.
7784 (last_emitted_file): New.
7785 (lookup_filename): Change prototype to return a struct dwarf_file_data.
7786 (init_file_table): Delete.
7787 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
7788 (AT_addr): Add comment.
7792 (print_die): Handle dw_val_class_file.
7793 (print_dwarf_line_table): Update for new file table structure.
7794 (attr_checksum): Do checksum a filename.
7795 (same_dw_val_p, same_attr_p): Do compare a filename.
7796 (size_of_die): Handle dw_val_class_file.
7797 (value_format): Likewise.
7798 (output_die): Likewise. Also, call maybe_emit_file here.
7799 (struct file_info): Constify filenames. Make file_idx a pointer
7800 to a struct dwarf_file_data.
7801 (struct dir_info): Constify directory names. Remove 'used' field.
7802 (struct file_name_acquire_data): New.
7803 (file_name_acquire): New.
7804 (output_file_names): Modify to handle new file data structures.
7805 (add_src_coords_attributes): Use add_AT_file.
7806 (add_call_src_coords_attributes): Likewise.
7807 (dwarf2out_imported_module_or_decl): Likewise.
7808 (gen_subprogram_die): Modify for new file data structures.
7809 (gen_variable_die): Likewise.
7810 (file_table_eq): New.
7811 (file_table_hash): New.
7812 (file_table_last_lookup): New.
7813 (lookup_filename): Rewrite to handle new file data structures.
7814 (maybe_emit_file): Rewrite to handle new file data structures.
7815 (dwarf2out_source_line): Always call lookup_filename and
7817 (dwarf2out_init): Create file_table here.
7818 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
7819 (file_table_relative_p): New.
7820 (dwarf2out_finish): Change detection of relative filenames
7821 to work with new file data structures. Move output_line_info call
7822 after debug_info output.
7824 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
7829 * config/i386/i386.c (override_options): Always default to 16
7830 byte stack boundary.
7832 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
7835 * var-tracking.c (dump_dataflow_set): Start dumping at
7837 (clobber_variable_part): Kill only the variable part in
7838 registers holding it, leaving other variables alone.
7840 2006-09-11 Josh Triplett <josh@freedesktop.org>
7842 * doc/extend.texi (Other Builtins): Actually use the macro
7843 argument in the documentation example for
7844 __builtin_types_compatible_p.
7846 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7848 PR rtl-optimization/28726
7849 * sched-deps.c (sched_analyze_reg): New function extracted from...
7850 (sched_analyze_1): ...here. Call it to analyze references to
7851 registers. Treat again writes to a stack register as writing to the
7853 (sched_analyze_2): ...and here. Call it to analyze references to
7854 registers. Treat again reads of a stack register as reading the
7857 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
7858 David Edelsohn <edelsohn@gnu.org>
7861 * config/rs6000/spe.md (frob_df_di): Remove %H.
7862 (frob_di_df): Remove %H. Change evmergelo to mr.
7863 (frob_di_df_2): Remove %H. Change evldd to two loads.
7865 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
7867 * doc/cpp.texi: Fix names of charset options.
7869 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
7872 * config/i386/i386.c (override_options): Use 128-bit
7873 stack boundary always for 64bits.
7875 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7877 PR rtl-optimization/28636
7878 * combine.c (force_to_mode): Test for side-effects before
7879 substituting by zero.
7880 (simplify_shift_const): Likewise for zero or other constants.
7882 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
7885 * builtins.c (expand_builtin_setjmp): Force next_lab to be
7888 2006-09-10 Richard Sandiford <richard@codesourcery.com>
7891 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
7892 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
7893 returned by mode_for_size, rather than the mode of src itself,
7894 to choose between 32-bit and 64-bit patterns.
7895 (mips_mem_fits_mode_p): New function.
7896 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
7897 that the size of the source matches the size of the destination.
7898 (mov_<store>l, mov_<store>r): Likewise.
7900 2006-09-10 Eric Christopher <echristo@apple.com>
7902 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
7905 2006-09-09 Eric Christopher <echristo@apple.com>
7908 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
7911 2006-09-09 Roger Sayle <roger@eyesopen.com>
7912 Nicolas Setton <setton@adacore.com>
7914 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
7916 2006-09-10 Andreas Schwab <schwab@suse.de>
7918 * config/m68k/m68k.md (bungt_rev): New pattern.
7920 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
7921 Dale Johannesen <dalej@apple.com>
7924 * regclass.c (struct reg_pref): Update documentation.
7925 (regclass): Set prefclass to NO_REGS if memory is the best option.
7926 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7928 2006-09-08 Eric Christopher <echristo@apple.com>
7930 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
7931 * config/t-slibgcc-darwin: Support x86_64 multilib.
7932 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
7933 Return 1 for x86_64-darwin.
7934 * config/i386/t-darwin: Add m64 multilib.
7935 (LIB2_SIDITI_CONV_FUNCS): Use.
7936 (LIB2FUNCS_EXTRA): Ditto.
7937 * config/i386/darwin.h: Support x86_64.
7938 * config/i386/i386.c (override_options): Turn on flag_pic
7939 for x86_64-darwin. Disable flag_omit_pointer.
7940 (get_pc_thunk_name): Assert !TARGET_64BIT.
7941 (legitimate_address_p): Disable machopic addressing for
7943 (legitimize_pic_address): Ditto.
7944 (ix86_expand_move): Ditto.
7945 (ix86_expand_call): Ditto.
7946 (machopic_output_stub): Ditto.
7947 * config/darwin.c (machopic_select_section): Support literal16.
7948 (machopic_select_rtx_section): Ditto.
7949 * config/darwin-sections.def: Ditto.
7950 * config/darwin-64.c: New.
7952 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
7955 * c-tree.h (struct c_arg_info): Add pending_sizes.
7956 * c-parser.c (c_parser_parms_declarator,
7957 c_parser_parms_list_declarator): Initialize pending_sizes.
7958 * c-decl.c (get_parm_info): Initialize pending_sizes.
7959 (get_parm_info): Set pending_sizes.
7960 (grokdeclarator): Call put_pending_sizes for parameters for
7961 function definition only.
7963 2006-09-07 Jason Merrill <jason@redhat.com>
7966 * varasm.c (output_constant): Only strip actual no-op conversions.
7969 * config/i386/i386.c (override_options): Use 128-bit
7970 stack boundary if -msse.
7972 2006-09-07 Eric Christopher <echristo@apple.com>
7974 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
7976 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
7979 2006-09-07 Geoffrey Keating <geoffk@apple.com>
7981 * dwarf2out.c: Remove strange characters from comment above
7982 dwarf2out_frame_debug_expr.
7984 2006-09-07 Eric Christopher <echristo@apple.com>
7986 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
7987 * config/darwin.h: ... to here.
7989 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
7991 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
7993 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
7994 (TARGET_PARTIAL_FLAG_REG_STALL): New.
7996 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
7997 TARGET_PARTIAL_FLAG_REG_STALL.
7998 (*ashldi3_cconly_rex64): Likewise.
7999 (*ashlsi3_cmp): Likewise.
8000 (*ashlsi3_cconly): Likewise.
8001 (*ashlsi3_cmp_zext): Likewise.
8002 (*ashlhi3_cmp): Likewise.
8003 (*ashlhi3_cconly): Likewise.
8004 (*ashlqi3_cmp): Likewise.
8005 (*ashlqi3_cconly): Likewise.
8006 (*ashrdi3_cmp_rex64): Likewise.
8007 (*ashrdi3_cconly_rex64): Likewise.
8008 (*ashrsi3_cmp): Likewise.
8009 (*ashrsi3_cconly): Likewise.
8010 (*ashrsi3_cmp_zext): Likewise.
8011 (*ashrhi3_cmp): Likewise.
8012 (*ashrhi3_cconly): Likewise.
8013 (*ashrqi3_cmp): Likewise.
8014 (*ashrqi3_cconly): Likewise.
8015 (*lshrdi3_cmp_rex64): Likewise.
8016 (*lshrdi3_cconly_rex64): Likewise.
8017 (*lshrsi3_cmp): Likewise.
8018 (*lshrsi3_cconly): Likewise.
8019 (*lshrsi3_cmp_zext): Likewise.
8020 (*lshrhi3_cmp): Likewise.
8021 (*lshrhi3_cconly): Likewise.
8022 (*lshrqi2_cmp): Likewise.
8023 (*lshrqi2_cconly): Likewise.
8025 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8028 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8029 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8030 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8031 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8032 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8033 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8034 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8035 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8036 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8037 implement only CC setting effects of shift instructions.
8039 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8041 * doc/contrib.texi: Add myself.
8043 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8046 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8047 was set by the user.
8049 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8052 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8053 (divsi_inv_m1): Use them.
8054 (UNSPEC_DIV_INV_TABLE): New constant.
8056 2006-09-06 James E Wilson <wilson@specifix.com>
8059 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8060 then call count_or_remove_death_notes.
8062 2006-09-06 Jason Merrill <jason@redhat.com>
8065 * tree-inline.c (copy_result_decl_to_var): New fn.
8066 (declare_return_variable): Use it. Call declare_inline_vars here.
8067 (expand_call_inline): Not here.
8069 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8071 * doc/contrib.texi: Update my entry.
8073 2006-09-06 Nick Clifton <nickc@redhat.com>
8075 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8077 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8080 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8081 (canonicalize_induction_variables): Likewise.
8082 (tree_unroll_loops_completely): Likewise.
8083 (tree_ssa_prefetch_arrays): Likewise.
8084 (remove_empty_loops): Likewise.
8085 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8086 TODO_cleanup_cfg instead of directly calling
8087 cleanup_tree_cfg_loop.
8088 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8090 (tree_unroll_loops_completely): Likewise.
8091 (remove_empty_loops): Likewise.
8092 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8093 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8094 of tree_ssa_unswitch_loops.
8095 (tree_ssa_loop_ivcanon): Use the return value of
8096 canonicalize_induction_variables.
8097 (tree_ssa_empty_loop): Use the return value of
8099 (tree_complete_unroll): Use the return value of
8100 tree_unroll_loops_completely.
8101 (tree_ssa_loop_prefetch): Use the return value of
8102 tree_ssa_prefetch_arrays.
8103 * passes.c (execute_todo): Before Cleanup CFG, set
8104 updating_used_alone and after cleanup CFG, call
8105 recalculate_used_alone.
8107 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8110 * tree-vect-transform.c (vectorizable_condition): Move the check
8111 for the type after the check for simple condition.
8113 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8114 Kaz Kojima <kkojima@gcc.gnu.org>
8117 * mode-switching.c (optimize_mode_switching): Make the destination
8118 block of an abnormal edge have no anticipatable mode. Don't
8119 insert mode switching code at the end of the source block of
8122 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8124 PR rtl-optimization/26847
8125 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8126 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8127 (simplify_plus_minus): Count n_constants while filling ops. Replace
8128 qsort with insertion sort. Before going through the array to simplify
8129 pairs, sort it. Delay early exit until after the first sort, exiting
8130 only if no swaps occurred. Simplify pairs in reversed order, without
8131 special-casing the first iteration. Pack ops after simplifying pairs.
8133 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8135 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8136 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8137 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8138 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8140 2006-09-05 Richard Guenther <rguenther@suse.de>
8142 PR tree-optimization/28900
8143 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8144 compound conditional before creating COND_EXPR condition.
8146 2006-09-05 Richard Guenther <rguenther@suse.de>
8148 PR tree-optimization/28905
8149 * tree-vrp.c (fix_equivalence_set): Manually implement
8150 !value_ranges_intersect_p to also handle symbolic ranges.
8152 2006-09-05 Richard Guenther <rguenther@suse.de>
8155 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8158 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8160 PR rtl-optimization/27616
8161 * cse.c (table_size): New static variable.
8162 (new_basic_block): Initialize it to 0.
8163 (remove_from_table): Decrement it.
8164 (insert): Increment it.
8165 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8166 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8167 fold_rtx_mem_1 if under the cap.
8168 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8169 the lookup of the equivalent expression and test for equality of the
8170 first operand of the equivalent expression before in turn looking up
8171 an equivalent constant for the second operand.
8173 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8176 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8177 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8178 pointer, instead of assuming it is possible to derive the
8179 correct args size from a call insn.
8181 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8184 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8185 (fold_builtin_mempcpy): Rename to...
8186 (fold_builtin_memory_op): ... this. Optimize one element copy
8188 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8190 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8191 (expand_builtin_memcpy, expand_builtin_mempcpy,
8192 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8193 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8194 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8195 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8197 2006-09-01 DJ Delorie <dj@redhat.com>
8199 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8200 (stzx_16): Likewise.
8201 ("stzx_24_<mode>"): Likewise.
8202 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8203 ("cmp<mode>_op"): New.
8204 (cmp<mode>): Change to expander; just save operands.
8206 (b<code>): Change to expander, emit compare here.
8207 (s<code>_op): Change to use split and expander.
8208 (s<code>_24_op): Likewise.
8209 (s<code>_<mode>): New.
8210 (s<code>_<mode>_24): New.
8211 (movqicc_<code>_<mode): New.
8212 (movhicc_<code>_<mode>): New.
8215 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8216 (m32c_pend_compare): New.
8217 (m32c_unpend_compare): New.
8218 (m32c_expand_scc): New.
8219 (m32c_expand_movcc): Emit the compare also.
8220 * config/m32c/predicates.md (mra_nopp_operand): New.
8222 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8223 Richard Guenther <rguenther@suse.de>
8224 Adam Nemet <anemet@caviumnetworks.com>
8227 * builtins.c (get_pointer_alignment): Handle more forms
8228 of base addresses that can be used to derive more precise
8229 information about alignment.
8231 2006-09-01 Jason Merrill <jason@redhat.com>
8234 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8237 * gimplify.c (voidify_wrapper_expr): Handle null type.
8239 2006-09-01 Josh Conner <jconner@apple.com>
8242 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8243 (execute_return_slot_opt): Use it.
8245 2006-08-31 Josh Conner <jconner@apple.com>
8248 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8249 returning aggregates.
8251 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8253 PR tree-optimization/28839
8254 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8255 blocks in that phi arguments appear.
8257 2006-08-31 Roger Sayle <roger@eyesopen.com>
8260 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8261 NULL, otherwise use an advance_loc4 to adjust relative to the
8263 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8264 (dwarf2out_switch_text_section): Reset the current label to avoid
8265 using advance_loc4 over section boundaries.
8267 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8270 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8271 r12 + SYMBOLIC_CONST.
8273 2006-08-30 Richard Guenther <rguenther@suse.de>
8275 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8277 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8279 PR rtl-optimization/27735
8280 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8281 Add new argument to keep track of whether an irreducible region
8282 was affected. All callers changed.
8283 (fix_irreducible_loops): Removed.
8284 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8285 flags were invalidated.
8287 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8289 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8290 instead of SF operands.
8291 (*fop_df_comm_sse): Likewise.
8292 (*fop_df_comm_i387): Likewise.
8293 (*fop_df_1_mixed): Likewise.
8294 (*fop_df_1_sse): Likewise.
8296 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8297 J"orn Rennecke <joern.rennecke@st.com>
8299 PR tree-optimization/17506
8300 * tree-ssa.c (warn_uninit): If warning about a location outside of
8301 the current function, note where the variable was declared.
8303 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8305 PR tree-optimization/28411
8306 * double-int.c (double_int_div): Use double_int_divmod.
8307 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8308 double_int_mod, double_int_smod, double_int_umod): New functions.
8309 * double-int.h (double_int_divmod, double_int_sdivmod,
8310 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8312 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8314 (get_computation_aff, get_computation_cost_at): Handle double_int
8315 return type of constant_multiple_of.
8317 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8320 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8321 an implicit conversion.
8323 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8325 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8327 2006-08-27 Roger Sayle <roger@eyesopen.com>
8329 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8332 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8334 * config/i386/crtfastmath.c: Fix a comment typo.
8336 2006-08-26 Roger Sayle <roger@eyesopen.com>
8338 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8339 temporary visit flags on CASE_LABEL_EXPRs.
8340 * c-common.c (match_case_to_enum): Add function comment. Avoid
8341 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8342 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8343 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8344 a constant, only warn if that constant value isn't handled.
8346 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8349 * input.h (restore_input_file_stack): Declare.
8350 (INPUT_FILE_STACK_BITS): Define.
8351 * toplev.c (fs_p, input_file_stack_history,
8352 input_file_stack_restored, restore_input_file_stack): New.
8353 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8354 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8355 (pop_srcloc): Don't free old state of stack.
8357 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8360 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8361 (PowerPC Type Attributes): New.
8363 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8365 * config/xtensa/xtensa.c (function_arg_boundary): New.
8366 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8368 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8369 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8371 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8374 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8377 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8379 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8380 (verify_local_live_at_start): Likewise.
8382 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8385 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8386 omp_add_variable): Treat sizes as variable whenever not
8389 2006-08-26 Richard Guenther <rguenther@suse.de>
8392 * fold-const.c (fold_binary): Fold temporary to correct
8393 type before constructing new comparison.
8395 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8398 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8399 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8401 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8404 * c-decl.c (start_function): Don't try to process prototype
8405 information from old declaration that isn't a function.
8407 2006-08-25 Jan Hubicka <jh@suse.cz>
8410 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8412 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8415 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8418 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8420 PR tree-optimization/16876
8421 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8422 exit if PARM doesn't match VALUE.
8424 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8426 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8427 literal_prefix directive.
8428 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8429 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8430 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8432 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8435 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8436 predicate to general_operand. Add 0->y and I->r alternatives.
8438 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8440 * doc/tm.texi: Fix a typo.
8441 * predict.c: Fix comment typos.
8443 2006-08-25 Nick Clifton <nickc@redhat.com>
8445 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8446 assertions of "cpu" and "machine".
8448 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
8451 * tree-ssa-operands.c (access_can_touch_variable): Don't say
8452 the access through a base which has an alias set of 0 cannot
8455 2006-08-24 Bill Wendling <wendling@apple.com>
8457 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
8459 2006-08-24 Jan Hubicka <jh@suse.cz>
8461 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
8463 2006-08-24 Jan Hubicka <jh@suse.cz>
8466 * cgraph.c: Fix comments.
8467 (cgraph_varpool_mark_needed_node): Mark only variables not already
8469 * cgraphunit.c: Update comments; include gt-cgraphunit.h
8470 (cgraph_varpool_assembled_nodes_queue): New static variable.
8471 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
8472 (cgraph_varpool_output_debug_info): New function.
8473 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
8474 * Makefile.in: Add gt-cgraphunit.h
8476 2006-08-24 Jan Hubicka <jh@suse.cz>
8478 * predict.c (probability_reliable_p): New predicate.
8479 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
8480 (predict_loops): Do not predict loop exit with less than 2%
8482 * basic-block.h (edge_probability_reliable_p,
8483 br_prob_note_reliable_p): Declare.
8484 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8485 prediction when static predictor is not reliable.
8486 * rs6000.c (output_cbranch): Likewise.
8488 2006-08-23 Stuart Hastings <stuart@apple.com>
8491 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8492 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8494 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8497 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8498 complex values, nor for generic vector values.
8500 2006-08-22 Richard Guenther <rguenther@suse.de>
8503 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8504 parameter. Convert arguments to arithmetic expression to the
8506 (analyze_scalar_evolution_1): Adjust caller.
8508 2006-08-22 Jan Hubicka <jh@suse.cz>
8510 Patch by Paolo Bonzini
8511 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8514 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8516 PR tree-optimization/28003
8517 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8518 before grouping aliases.
8520 2006-08-22 Roger Sayle <roger@eyesopen.com>
8522 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8523 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8525 2006-08-21 Jason Merrill <jason@redhat.com>
8528 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8529 wrapper. Loop to handle nested wrappers.
8530 (gimplify_bind_expr): Remove temp parameter.
8531 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8532 and STATEMENT_LIST on the rhs.
8533 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8534 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8535 (gimplify_target_expr): Remove special BIND_EXPR handling.
8537 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8539 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8542 2006-08-21 Olivier Hainque <hainque@adacore.com>
8544 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8545 Arrange for the temporary captures of components overlapping the lhs
8546 to happen before the lhs is possibly cleared.
8548 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8550 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8551 necessary places to pass the correct "number of registers" values
8554 2006-08-20 Jan Hubicka <jh@suse.cz>
8556 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8557 (create_name_tags): Instead of quadratic checking use hashtable.
8558 * bitmap.h: Include hashtab.h.
8559 (bitmap_hash): Declare.
8560 * bitmap.c (bitmap_hash): New function.
8562 2006-08-20 Jan Hubicka <jh@suse.cz>
8564 PR rtl-optimization/28071
8565 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8567 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8568 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8569 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8570 cgraph_decide_inlining_incrementally): Update use of
8571 cgraph_check_inline_limits.
8572 * cgraph.c (edge_hash, edge_eq): New function.
8573 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8574 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8575 cgraph_remove_node): Maintain call site hash.
8576 * cgraph.h (struct cgraph_node): Add call_site_hash.
8577 (cgraph_set_call_stmt): New function.
8579 2006-08-20 Jan Hubicka <jh@suse.cz>
8581 PR rtl-optimization/28071
8582 * reload1.c (reg_has_output_reload): Turn into regset.
8583 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8584 choose_reload_regs, emit_reload_insns): Update to new
8585 reg_has_output_reload.
8587 2006-08-20 Jan Hubicka <jh@suse.cz>
8590 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8591 function body sizes.
8592 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8594 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8597 * tree.c (handle_dll_attribute): Return early if not a
8598 var or function decl.
8600 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8603 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8604 alignment of SPE vector types.
8606 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8608 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8610 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8613 * cgraph.h (struct cgraph_node): Remove externally_visible
8615 * cgraphunit.c (process_function_and_variable_attributes): Set
8616 local.externally_visible rather than externally_visible.
8619 * c-common.c (handle_externally_visible_attribute): First look
8620 at TREE_CODE and only if it is function or var decl, check for
8621 non-public objects. Don't warn for DECL_EXTERNAL.
8622 * cgraphunit.c (process_function_and_variable_attributes): Warn
8623 if externally_visible attribute is used on non-public object.
8625 2006-08-17 Jan Hubicka <jh@suse.cz>
8627 PR tree-optimization/27865
8628 * reload1.c (forget_marked_reloads): New function.
8629 (forget_old_reloads_1): When data are passed, just mark the registers
8631 (reload_as_needed): Use the new mechanizm.
8633 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
8636 * reload.h (reg_equiv_alt_mem_list): New declaration.
8637 * reload1.c (reg_equiv_alt_mem_list): New definition.
8638 (reload): Initialize it and release it.
8639 (delete_output_reload): Use it.
8640 * reload.c (push_reg_equiv_alt_mem): New function.
8641 (find_reloads_toplev): Call it.
8642 (find_reloads_address, find_reloads_address_1): Likewise.
8643 (find_reloads_subreg_address): Likewise.
8645 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8647 PR rtl-optimization/28489
8648 * sched-ebb.c (begin_schedule_ready): Create basic block
8650 (advance_target_bb): Skip empty blocks.
8651 * haifa-sched.c (bb_note): Make global.
8652 * sched-int.h (bb_note): Add prototype.
8654 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8656 PR tree-optimization/27865
8657 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
8659 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
8660 fold_used_pointer, pointer_used_p): New functions.
8661 (analyze_scalar_evolution_1): Use fold_used_pointer.
8662 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
8663 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
8666 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8669 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8670 or the INTEGER_CST. Fail on a CALL_EXPR.
8671 (fold_offsetof): Pass new argument to fold_offsetof_1.
8672 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8673 operand into an INDIRECT_REF.
8674 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8676 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8678 PR gcov/profile/26570
8679 * value-prof.c (static_values): Removed.
8680 (tree_find_values_to_profile): Do not set static_values.
8681 (find_values_to_profile): Do not free static_values.
8682 * profile.c (instrument_values): Do not free the values.
8683 (branch_prob): Free the values.
8685 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8687 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8689 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8692 * c-typeck.c (build_component_ref): Combine qualifiers of
8693 structure or union and field.
8695 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8697 PR rtl-optimization/28071
8698 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8699 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8700 * tree-into-ssa.c (struct dom_dfsnum): New.
8701 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8703 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8704 compute_global_livein.
8705 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8706 in phi nodes in the correct blocks.
8708 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8710 PR tree-optimization/28364
8711 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
8713 (fold_affine_expr): New function.
8714 (may_eliminate_iv): Use fold_affine_expr.
8716 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8719 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
8722 2006-08-16 Mike Stump <mrs@apple.com>
8724 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
8725 * doc/cppopts.texi (-MD): Likewise.
8727 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
8730 * c-common.c (handle_weak_attribute): Ignore and warn if
8731 not a FUNCTION_ or VAR_DECL.
8733 2006-07-15 Mike Stump <mrs@apple.com>
8736 * c-parser.c (c_parser_typeof_specifier): Don't use
8737 c_finish_expr_stmt, open code desired semantics instead.
8739 2006-08-15 Nick Clifton <nickc@redhat.com>
8741 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
8742 fragment to tmake_file only if threads are enabled.
8743 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
8744 * config/i386/t-gthr-win32: New file. ... here.
8746 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8749 * c-parser.c (c_parser_compound_statement_nostart): Reset
8750 parser->error after each statement.
8752 2006-08-15 Jakub Jelinek <jakub@redhat.com>
8755 * omp-low.c (lower_omp_parallel): Convert t to
8756 receiver_decl's type.
8757 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
8758 source before comparison.
8761 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
8762 to itype in assignment to oldival2.
8764 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
8768 * c-typeck.c (build_compound_expr): If the second expression
8769 is an error mark, then just return an error mark instead of
8770 creating a COMPOUND_EXPR.
8772 2006-07-14 Mike Stump <mrs@apple.com>
8774 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
8776 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
8778 * c-decl.c, var-tracking.c: Fix comment typos.
8780 2006-08-14 Richard Sandiford <richard@codesourcery.com>
8782 PR rtl-optimization/28634
8783 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
8784 for floating-point modes unless flag_unsafe_math_optimizations.
8786 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
8787 Andrew Pinski <pinskia@physics.uc.edu>
8790 * tree.c (build_array_type): Unify array types with
8791 unspecified index_type.
8792 * c-decl.c (grokdeclarator): Make sure we do not modify a
8793 unified incomplete array type.
8794 * c-typeck.c (store_init_value): Create distinct type before
8795 filling in the index type in an initializer from a compound
8798 * c-decl.c (grokdeclarator): Remove code where we copy the
8801 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
8803 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
8804 into account for TODO_dump_cgraph.
8805 (TODO_update_ssa_no_phi): Likewise.
8806 (TODO_update_ssa_full_phi): Likewise.
8807 (TODO_update_ssa_only_virtuals): Likewise.
8808 (TODO_remove_unused_locals): Likewise.
8809 (TODO_set_props): Likewise.
8810 (TODO_update_stmt_usage): Likewise.
8812 2006-08-13 Dirk Mueller <dmueller@suse.de>
8814 * c-common.c (strict_aliasing_warning): Fix formatting.
8816 2006-08-13 Matthias Klose <doko@debian.org>
8818 * doc/invoke.texi: Fix spelling errors.
8820 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8822 PR rtl-optimization/23454
8823 * reorg.c (relax_delay_slots): Update comment.
8825 2006-08-11 Richard Guenther <rguenther@suse.de>
8828 * simplify-rtx.c (simplify_const_relational_operation):
8829 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
8832 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
8834 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
8835 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
8837 2006-08-10 Paul Brook <paul@codesourcery.com>
8839 * final.c (final_scan_insn): Clear current_insn_predicate before
8840 outputting inline asm.
8842 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
8844 PR tree-optimization/26197
8845 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
8846 get_ref_base_and_extent and overlap_subvar to add only relevant
8847 subvars as may-aliases.
8848 (add_may_alias_for_new_tag): New function, factored out of
8850 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
8851 with additional argument.
8852 * tree-flow.h (new_type_alias): Takes additional argument.
8854 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
8856 * gcov.c (no_data_file): New flag.
8857 (read_count_file): Set it if data file not present. Assume counts
8859 (output_lines): Don't name the data file, if there wasn't one.
8861 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
8863 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
8864 (rs6000_generate_compare): Tweak comments.
8865 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
8867 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
8869 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
8870 (var_debug_decl): New function.
8871 (var_reg_set): Follow debug decl link. Add location even if
8872 reg is already known to hold some other variable.
8873 (var_mem_set): Follow debug decl link.
8874 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
8875 decl link. Delete other known locations of the variable part
8877 (var_reg_delete, var_mem_delete): Delete other known locations
8878 of the variable part if requested.
8879 (same_variable_part_p): New function.
8880 (add_stores): Select MO_COPY when appropriate.
8881 (vt_initialize): Handle it.
8882 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
8883 known locations for MO_SET and MO_CLOBBER.
8884 (find_variable_location_part): New function.
8885 (set_variable_part, delete_variable_part): Use it.
8886 (clobber_variable_part): New function.
8887 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
8890 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
8892 PR tree-optimization/26969
8893 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
8894 with an empty list of PHIs.
8896 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
8900 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
8903 2006-08-06 Andreas Schwab <schwab@suse.de>
8905 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
8906 string. Whitespace and comment fixup.
8908 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8911 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
8915 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
8918 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
8920 2006-08-04 Jan Hubicka <jh@suse.cz>
8924 * reload.c (push_reload): Patch out the mismatching instruction;
8926 (find_reload): Bail out if the instruction was patched out.
8928 2006-08-04 Jan Hubicka <jh@suse.cz>
8930 PR tree-optimization/24888
8931 * tree-inline.c (expand_call_inline): Do not re-record variables.
8932 (declare_inline_vars): Add variable to unexpanded_var_list.
8934 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8935 Roger Sayle <roger@eyesopen.com>
8937 PR rtl-optimization/26244
8938 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
8939 inner_const are negative or greater than or equal to the bitsize of
8940 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
8941 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
8942 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
8943 CONST0_RTX (mode) when the new shift count is greater than or equal to
8944 to the bitsize of the object being shifted and XEXP (y, 0) has no side
8947 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
8949 * tree-cfg.c: Fix a comment typo.
8951 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8954 * varasm.c (output_constant): Give the front end another chance to
8955 expand constants, after stripping NOPs.
8957 2006-08-03 Jan Hubicka <jh@suse.cz>
8959 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
8962 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8964 PR tree-optimization/27770
8965 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
8966 declaration removed (moved to tree-flow.h).
8967 (vect_can_force_dr_alignment_p): Likewise.
8968 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
8969 (moved from tree-vectorizer.h).
8970 (vect_can_force_dr_alignment_p): Likewise.
8971 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
8972 from outside the vectorizer - in particular from cgraph stage.
8973 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
8974 the alignment of global arrays when -fsection-anchors is enabled.
8975 * cgraphunit.c (cgraph_increase_alignment): New function.
8976 (cgraph_optimize): Call cgraph_increase_alignment.
8978 2006-08-03 David Edelsohn <edelsohn@gnu.org>
8981 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
8982 not reload a SPE symbol_ref into a lo_sum address.
8984 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
8987 * dwarf2out.c (prune_unused_types_prune): Move call to
8988 prune_unused_types_update_strings to cover the parent DIE also.
8990 2006-08-02 Jan Hubicka <jh@suse.cz>
8992 PR gcov/profile/28480
8993 * tree-cfg.c (change_bb_for_stmt): New function.
8994 (tree_merge_blocks, tree_split_blocks): Use it.
8996 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9002 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9003 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9004 (cgraph_optimize): Likewise.
9006 2006-08-01 Stuart Hastings <stuart@apple.com>
9008 * rtl.h (UINTVAL) New.
9009 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9010 * testsuite/gcc.dg/20060801-1.c: New.
9012 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9015 * c-typeck.c (build_external_type): Mark used enum types.
9016 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9018 (gen_subprogram_die): Whitespace fix.
9020 2006-08-01 Jan Hubicka <jh@suse.cz>
9022 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9023 bitmap when not needed.
9024 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9027 2006-08-01 Dirk Mueller <dmueller@suse.de>
9029 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9031 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9033 * Makefile.in: Revert part of previous patch:
9034 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9037 2006-07-30 Eric Christopher <echristo@apple.com>
9040 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9041 (PowerPC Variable Attributes): New section.
9043 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9045 PR target/28126 (partial fix)
9046 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9048 2006-07-28 Jan Hubicka <jh@suse.cz>
9050 PR rtl-optimization/28071
9051 * cfgrtl.c (rtl_delete_block): Free regsets.
9052 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9054 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9056 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9057 and variables used in dependencies.
9059 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9061 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9062 %fs for -mcmodel=kernel.
9063 (stack_tls_protect_test_di): Likewise.
9065 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9067 * Makefile.in: Use mkinstalldirs.
9069 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9072 * opts-common.c (prune_options): Skip joined switches.
9074 2006-07-27 Jan Hubicka <jh@suse.cz>
9076 PR rtl-optimization/28071
9077 * cselib.c (cselib_process_insn): Don't remove useless values too
9078 often for very large hashtables.
9080 2006-07-27 Jan Hubicka <jh@suse.cz>
9082 PR rtl-optimization/28071
9083 * global.c (greg_obstack): New obstack.
9084 (allocate_bb_info): Use it.
9085 (free_bb_info): Likewise.
9086 (modify_reg_pav): Likewise.
9088 2006-07-27 Roger Sayle <roger@eyesopen.com>
9090 * builtins.c (fold_fixed_mathfn): When long and long long are the
9091 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9092 functions to their lceil*, lfloor*, lround* and lrint* forms.
9094 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9097 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9099 (rev_branch_insn): Likewise.
9101 2006-07-27 Jan Hubicka <jh@suse.cz>
9103 PR rtl-optimization/28071
9104 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9105 (reg_set_in_bb, max_reg_computed): New static variables.
9106 (regmove_optimize): Free the new array.
9107 (fixup_match_1): Update call of reg_is_remote_constant_p.
9109 2006-07-26 Jan Hubicka <jh@suse.cz>
9111 PR tree-optimization/27882
9112 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9114 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9116 (cgraph_analyze_compilation_unit): Likewise.
9117 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9118 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9119 (cgraph_early_inlinine): Make order garbage collected.
9120 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9122 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9124 * dbxout.c (output_types_sort): Add a comment.
9125 (output_used_types): Free the VEC.
9127 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9129 * function.c (reorder_fix_fragments): Delete.
9130 (reorder_blocks): Don't call it.
9131 (reorder_blocks_1): Put all subblocks under the origin block.
9133 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9135 PR rtl-optimization/27907
9136 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9139 2006-07-25 Roger Sayle <roger@eyesopen.com>
9142 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9143 bar(x) check that bar's result type can represent all the values of T.
9145 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9147 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9149 2006-07-25 Nick Clifton <nickc@redhat.com>
9151 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9152 size_lookup[] array.
9153 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9154 (ggc_pch_count_object): Likewise.
9155 (ggc_pch_alloc_object): Likewise.
9156 (ggc_pch_write_object): Likewise.
9157 (init_ggc): Do not attempt to initialize entries in the
9158 size_lookup[] array for objects whose size is greater than than
9159 the length of the array.
9161 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9163 * dbxout.c (output_used_types_helper): Push queued types
9165 (output_types_sort): New.
9166 (output_used_types): Collect used types on a VEC and sort them
9169 2006-07-24 Richard Guenther <rguenther@suse.de>
9172 * cgraph.c (cgraph_remove_node): Do not check if dumps
9174 * cgraphunit.c (cgraph_optimize): Likewise.
9176 2006-07-24 Jan Hubicka <jh@suse.cz>
9178 PR rtl-optimization/28071
9179 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9180 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9181 splitting before first stmt.
9183 2006-07-24 Jan Hubicka <jh@suse.cz>
9185 PR rtl-optimization/28071
9186 * ipa-inline.c (update_caller_keys): Remove edges that
9187 are no longer inline candidates.
9189 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9192 * dbxout.c (output_used_types_helper, output_used_types): New.
9193 (dbxout_symbol): Call output_used_types.
9195 2006-07-23 Jan Hubicka <jh@suse.cz>
9199 * cgraph.c (cgraph_varpool_nodes): Export.
9200 (decide_is_variable_needed): Ignored "used" attribute in
9201 unit-at-a-time mode.
9202 * cgraph.h (cgraph_varpool_nodes): Declare.
9203 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9204 unit-at-a-time mode.
9206 2006-07-23 Roger Sayle <roger@eyesopen.com>
9209 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9210 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9211 the __gthrw form of thr_keycreate.
9212 (__gthread_key_delete): Silence the unused argument warning.
9214 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9217 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9218 Cache the last found '\0' marker to avoid quadratic behavior.
9220 2006-07-23 Jan Hubicka <jh@suse.cz>
9222 * i386.md (subsi_3_zext): Fix output template.
9224 2006-07-21 Mike Stump <mrs@apple.com>
9226 * doc/invoke.texi (C++ Dialect Options): Note that
9227 -fvisibility-inlines-hidden doesn't affect explicitly
9228 instantiationed inline methods.
9230 2006-07-20 Roger Sayle <roger@eyesopen.com>
9232 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9233 if the target assembler is GNU binutils' gas.
9234 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9235 whether to pass GNU gas or native as command line options.
9237 2006-07-20 Jason Merrill <jason@redhat.com>
9239 * tree.c (remove_attribute): New fn.
9240 * tree.h: Declare it.
9242 2006-07-20 Paul Brook <paul@codesourcery.com>
9245 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9246 they are invalidated by this instruction.
9248 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9251 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9253 2006-07-20 Eric Christopher <echristo@apple.com>
9256 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9258 2006-07-19 Eric Christopher <echristo@apple.com>
9260 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9261 Rewrite dependencies for libgcc_s.1.dylib.
9263 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9265 * except.c (duplicate_eh_regions_1): Clear next_peer.
9267 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9269 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9270 -mlongcall does not guarantee all calls will be long.
9271 * doc/extend.texi (long_call/short_call): Document that longcall
9272 does not guarantee a long call will be used.
9273 (longcall/shortcall): Likewise.
9275 2006-07-18 Roger Sayle <roger@eyesopen.com>
9278 * expmed.c (expand_shift): Additionally check that the shift_cost
9279 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9280 before implementing a LSHIFT_EXPR as a sequence of additions.
9281 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9282 middle-end that DImode shifts need to be synthesized by expand.
9284 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9287 * tree-ssa-operands.c (access_can_touch_variable): Update
9289 Return true if ALIAS is .GLOBAL_VAR.
9291 2006-07-18 David Daney <ddaney@avtrex.com>
9293 * gcc.c (display_help): Fix typo in help text.
9295 2006-07-18 Olivier Hainque <hainque@adacore.com>
9297 * tree.h (categorize_ctor_elements): Adjust prototype and add
9298 descriptive comment, both in accordance with the interface change
9300 * varasm.c (constructor_static_from_elts_p): New function.
9301 Whether a constructor node is a valid static constant initializer
9302 if all its elements are.
9303 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9304 * output.h: Declare it.
9305 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9306 is a valid constant initializer instead of computing the number of
9307 non-constant elements. Use constructor_static_from_elts_p for this
9308 purpose. Replace the head comment with an indication that this is a
9309 helper for categorize_ctor_elements.
9310 (categorize_ctor_elements): Same interface change as for the _1
9311 helper. Former head comment from this helper moved here, adjusted to
9312 account for the interface changes.
9313 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9314 (all_zeros_p): Likewise.
9315 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9316 static versions of the constructor from the categorize_ctor_elements
9317 return value instead of the formerly computed number of non-constant
9320 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9322 * configure: Regenerate.
9323 * Makefile.in (build_libsubdir): New configure substitution
9324 (build_libobjdir): New variable.
9325 (BUILD_LIBIBERTY): Use it.
9327 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9330 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9332 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9335 * c-common.c (handle_weakref_attribute): Ignore attribute in
9336 the same conditions the alias attribute is ignored.
9338 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9340 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9341 (dbxout_begin_prologue): Increment scope_labelno.
9343 2006-07-17 Richard Henderson <rth@redhat.com>
9346 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9349 2006-07-17 Roger Sayle <roger@eyesopen.com>
9350 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9352 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9353 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9354 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9355 functions such as sbrk, write, etc.. Add function prototypes.
9356 Convert function declarations from K&R to ISO C. Cast pointers
9357 to "long" and "unsigned long" instead of "int" and "unsigned int".
9358 Convert tokens following #endif into comments.
9360 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9362 * invoke.texi: Remove mention of f77; Reformat table for
9363 inline parameter options correctly; mention that -malign-double
9364 is default on x86-64 targets.
9366 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9368 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9369 (convert_affine_scev, chrec_convert_aggressive): Use
9370 avoid_arithmetics_in_type_p. Do not check for the subtypes
9373 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9376 * optabs.c (expand_doubleword_shift): Wrap the call to
9377 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9379 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9382 * optabs.c (expand_binop): Pass next_methods rather than methods
9383 to expand_doubleword_shift.
9385 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9388 * tree.h (dump_addr): Declare.
9389 * print-tree.c (dump_addr): New function.
9390 (print_node_brief, print_node): Use it.
9391 * print-rtl.c (print_rtx): Likewise.
9392 * common.opt (-fdump-noaddr): New option.
9393 * doc/invoke.texi (-fdump-noaddr): Document.
9394 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9395 (ve_info_hash): Likewise.
9397 2006-07-13 Andrew Haley <aph@redhat.com>
9399 PR tree-optimization/19505
9400 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9401 edge leaving this block, make sure that the destination of this
9402 block has only one predecessor.
9404 2006-07-17 Richard Guenther <rguenther@suse.de>
9406 PR tree-optimization/28238
9407 * tree-inline.c (copy_bb): Check if we produced valid
9408 gimple copying and substituting a stmt. If not, gimplify
9411 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9413 * optabs.c (maybe_encapsulate_block): New function extracted from...
9414 (emit_libcall_block): ...here. Invoke it on the block of insns to
9415 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9416 (emit_no_conflict_block): Likewise.
9418 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9420 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9422 2006-07-15 Roger Sayle <roger@eyesopen.com>
9424 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9425 a new NOP_EXPR case of the switch statement.
9427 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9430 * stor-layout.c (place_field): Take the bit field with
9431 an excessive size into account in the ms-bitfiled case.
9434 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9435 the previous bit field.
9437 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9440 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9442 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9444 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9445 signal frames correctly even when the signal was installed with
9448 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9450 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
9451 (dbxout_function_end): Use local label LFBB. Remove hook
9453 (dbxout_source_line): Use local label LFBB.
9454 (dbxout_block): Likewise.
9455 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9456 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
9457 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
9458 and DBX_OUTPUT_NFUN.
9460 2006-07-13 Janis Johnson <janis187@us.ibm.com>
9462 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
9464 2006-07-13 Jan Hubicka <jh@suse.cz>
9466 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9468 * output.h (align_variable): Declare.
9469 * varasm.c (align_variable): Export.
9470 * value-prof.c (tree_value_profile_transformations): Recompute iterator
9471 when basic block changed.
9473 2006-07-13 Nick Clifton <nickc@redhat.com>
9475 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
9476 walking the LOG_LINKS chain.
9478 2006-07-12 Geoffrey Keating <geoffk@apple.com>
9480 * doc/invoke.texi (C++ Dialect Options): Explain difference
9481 between -fvisibility-inlines-hidden and setting hidden
9482 visibility explicitly.
9484 2006-07-12 Eric Christopher <echristo@apple.com>
9486 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9487 (stmp-lipo): Depend on libgcc.a.
9489 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9491 * tree.c: Fix a comment typo.
9493 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9495 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9497 (umulhisi3_r): Likewise.
9499 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9502 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9503 x < 19, vs wchar_t support.
9505 2006-07-12 Nick Clifton <nickc@redhat.com>
9507 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9508 instead of -isa=sh4.
9510 2006-07-12 Mike Stump <mrs@apple.com>
9512 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9514 2006-07-10 Eric Christopher <echristo@apple.com>
9516 * config/t-slibgcc-darwin: Rewrite.
9518 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9521 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9524 2006-07-08 Matthias Klose <doko@debian.org>
9526 * doc/sourcebuild.texi: Fix typo.
9528 2006-07-07 Mike Stump <mrs@apple.com>
9530 * toplev.c (process_options): Don't give -ffunction-sections may
9531 affect debugging warning for Mach-O.
9533 2006-07-07 James E Wilson <wilson@specifix.com>
9535 * config/mips/mips.md (cpu): Add sb1a.
9536 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9537 addition to sb1. Adjust comments to clarify SB-1A differences from
9539 (ir_sb1a_load): New. Modify bypasses to use it.
9540 (ir_sb1a_simple_alu): Likewise.
9541 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9542 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9543 (mips_issue_rate): Add PROCESSOR_SB1A.
9544 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9545 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9546 (TARGET_SB1): Add PROCESSOR_SB1A check.
9547 (TUNE_SB1): Likewise.
9549 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9550 * config/mips/mips.c (mips_store_data_bypass_p): New.
9551 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9552 store_data_bypass_p.
9554 2006-07-08 Paul Brook <paul@codesourcery.com>
9557 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9559 2006-07-07 Richard Guenther <rguenther@suse.de>
9562 * tree.h (build_one_cst): Declare.
9563 * tree.c (build_one_cst): New function.
9564 * tree-ssa-math-opts.c (get_constant_one): Remove.
9565 (insert_reciprocals): Use build_one_cst.
9566 * fold-const.c (fold_plusminus_mult): Likewise.
9568 2006-07-07 Roger Sayle <roger@eyesopen.com>
9570 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9571 * cfgloopanal.c (dump_graph): Likewise.
9572 * dojump.c (discard_pending_stack_adjust): Likewise.
9573 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9575 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9576 * function.c (finalize_block_changes): Likewise.
9577 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9578 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9579 * rtl.c (dump_rtx_statistics): Likewise.
9580 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9582 * varray.c (dump_varray_statistics): Likewise.
9583 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9584 decode_decimal64, encode_decimal128, decode_decimal128,
9585 decimal_real_to_decimal): Likewise.
9587 2006-07-07 Richard Guenther <rguenther@suse.de>
9589 PR tree-optimization/28187
9590 * tree-vrp.c (vrp_operand_equal_p): New function.
9591 (vrp_bitmap_equal_p): Likewise.
9592 (update_value_range): Use them to compare old and new
9595 2006-07-06 Roger Sayle <roger@eyesopen.com>
9597 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9598 a default case to switch statement to silence compiler warnings.
9600 2006-07-06 Roger Sayle <roger@eyesopen.com>
9603 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9604 the configured assembler supports the x87's ffreep mnemonic.
9605 * configure: Regenerate.
9606 * config.in: Regenerate.
9608 * config/i386/i386.c (output_387_ffreep): New function.
9609 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9610 (output_387_reg_move): Likewise.
9612 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9614 Port to hosts whose 'sort' and 'tail' implementations
9615 treat operands with leading '+' as file names, as POSIX
9616 has required since 2001. However, make sure the code still
9617 works on pre-POSIX hosts.
9618 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9619 which says you should use "tail -c +N" rather than "tail +Nc".
9620 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9622 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9624 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9627 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9630 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9631 PRE_{INC,DEC} of TFmode.
9633 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9634 Alan Modra <amodra@bigpond.net.au>
9637 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
9640 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9643 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
9644 Remove duplicate gtu.
9646 2006-07-05 Jason Merrill <jason@redhat.com>
9650 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
9651 * c-common.c (handle_packed_attribute): So don't copy it here.
9652 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9654 2006-07-05 Mike Stump <mrs@apple.com>
9656 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
9658 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
9661 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
9663 2006-07-05 Richard Guenther <rguenther@suse.de>
9666 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9667 TARGET_SSE2 targets if using SSE math.
9668 (*absdf2_1): Likewise.
9670 2006-07-05 Richard Guenther <rguenther@suse.de>
9672 PR tree-optimization/28162
9673 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9674 make sure to convert the operands to the correct type.
9676 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9678 PR tree-optimization/28218
9680 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9681 to calculate and free the dominator information.
9683 2006-07-04 Peter O'Gorman <peter@pogma.com>
9685 * mklibgcc.in: chmod 644 before ranlib during install.
9687 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9688 J"orn Rennecke <joern.rennecke@st.com>
9690 * configure.ac (.eh_frame data check): Use diff -b.
9692 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9695 * Makefile.in (BUILD_RTL): Add build/vec.o.
9696 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9697 (build/genextract): Delete.
9698 (build/genautomata): Likewise.
9700 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9703 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9704 128-bit IBM long doubles for ABI_V4.
9706 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9708 * tree.c (range_in_array_bounds_p): New predicate.
9709 * tree.h (range_in_array_bounds_p): Declare it.
9710 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
9711 return a less conservative answer.
9712 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
9713 and flag 'is_group'.
9714 (IS_ELEMENT_FOR_GROUP): New macro.
9715 (FOR_EACH_ACTUAL_CHILD): Likewise.
9716 (next_child_for_group): New helper function.
9717 (can_completely_scalarize_p): Take into account groups.
9718 (sra_hash_tree): Handle RANGE_EXPR.
9719 (sra_elt_eq): Likewise.
9720 (lookup_element): Be prepared for handling groups.
9721 (is_valid_const_index): Delete.
9722 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
9723 instead of is_valid_const_index.
9724 <ARRAY_RANGE_REF>: New case.
9725 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
9726 is_valid_const_index.
9727 <ARRAY_RANGE_REF>: Do not unconditionally punt.
9728 (scan_dump): Dump info for groups too.
9729 (decide_instantiation_1): Likewise.
9730 (decide_block_copy): Assert that the element is not a group.
9731 Propagate decision to groups.
9732 (generate_one_element_ref): Handle RANGE_EXPR.
9733 (mark_no_warning): Iterate over actual childs.
9734 (generate_copy_inout): Likewise.
9735 (generate_element_copy): Likewise.
9736 (generate_element_zero): Likewise.
9737 (generate_element_init_1): Likewise.
9738 (dump_sra_elt_name): Handle RANGE_EXPR.
9740 2006-07-03 Roger Sayle <roger@eyesopen.com>
9742 PR tree-optimization/26251
9743 * tree-ssa-threadupdate.c (redirection_block_p): New function.
9744 (thread_block): When optimizing for size refuse to thread jumps
9745 that would require duplication of blocks other than redirection
9748 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9750 * configure.ac: Fix thinko in previous check-in.
9751 * configure: Regenerate.
9753 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9756 * configure.ac (for lang...): Simplify nesting of conditionals.
9757 Test subdir_requires for non-enabled languages. Move processing
9758 of lang_opt_files and lang_tree_fiels below that test.
9759 * configure: Regenerate.
9760 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
9762 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
9764 * doc/gcov.texi (Invoking Gcov): Add a missing word.
9766 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
9768 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
9771 2006-06-29 Jason Merrill <jason@redhat.com>
9778 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
9779 * c-common.c (c_determine_visibility): Handle it here.
9780 * c-decl.c (finish_decl): Call c_determine_visibility for
9782 * flags.h (enum symbol_visibility): Sort from most to least visibility.
9784 * varasm.c (default_assemble_visibility): Likewise.
9785 * c-common.c (handle_visibility_attribute): Complain about trying
9786 to give visibility to an already defined class, or trying to change
9787 declared visibility. Always attach the attribute.
9792 * attribs.c (decl_attributes): Ignore type-in-place attributes
9793 once the type has been defined.
9795 2006-06-29 Roger Sayle <roger@eyesopen.com>
9798 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
9799 to indicate the cpplib has issued an error message for us.
9801 2006-06-29 Asher Langton <langton2@llnl.gov>
9804 * config/i386/i386.c (ix86_output_function_epilogue): Don't
9805 insert a label at the end of an function under Mach-O.
9807 2006-06-29 Eric Christopher <echristo@apple.com>
9808 Evan Cheng <evan.cheng@apple.com>
9810 * predicates.md (vector_all_ones_operand): New.
9811 (nonimmediate_or_sse_const_operand): Ditto.
9812 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
9813 * config/i386/i386.c (standard_sse_constant_opcode): Define.
9814 (standard_sse_mode_p): Ditto.
9815 (standard_sse_constant_p): Add case for -1 vector.
9816 (ix86_expand_vector_move): Try to use.
9817 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
9818 Call standard_sse_constant_opcode.
9819 (*movv4sf_internal): Ditto.
9820 (*movv2df_internal): Ditto.
9822 2006-06-29 Roger Sayle <roger@eyesopen.com>
9824 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
9825 of XEXP to extract the operands of a MATCH_CODE rtx.
9827 2006-06-28 Andrew Pinski <pinskia@gmail.com>
9829 * tree.c (tree_size): Do not waste tail padding in
9830 struct tree_string and make the size be the same as
9831 build_string will generate.
9833 2006-06-28 Jason Merrill <jason@redhat.com>
9836 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
9837 may_aliases already in the tag's annotations to the bitmap.
9839 2006-06-28 Roger Sayle <roger@eyesopen.com>
9841 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
9843 2006-06-28 Roger Sayle <roger@eyesopen.com>
9845 * genpreds.c (generate_switch_p): New function.
9846 (add_mode_tests): Push the new mode test down inside an AND expr
9847 if this allows the switch-suitable MATCH_CODE to be near the root.
9848 (write_match_code_switch): New function to write a MATCH_CODE as
9850 (write_predicate_stmts): New function to write a predicate RTX
9851 expression as a sequence of statements.
9852 (write_one_predicate_function): Use write_predicate_stmts.
9853 (write_tm_constrs_h): Likewise.
9855 2006-06-26 Fred Fish <fnf@specifix.com>
9857 * config/mips/t-sb1: New file.
9858 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
9861 2006-06-26 DJ Delorie <dj@redhat.com>
9863 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
9865 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
9866 Jayant Sonar <jayants@kpitcummins.com>
9867 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
9869 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
9870 (subsi3, subsi3_1, subsi3_2): New.
9871 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
9872 * config/m32c/mov.md (SI mov peephole): New.
9873 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
9874 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
9876 2006-06-26 Olivier Hainque <hainque@adacore.com>
9878 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
9879 a CALL_EXPR target function declaration.
9881 2006-06-26 Richard Guenther <rguenther@suse.de>
9883 * tree.c (build_string): Do not waste tail padding in
9886 2006-06-26 Richard Guenther <rguenther@suse.de>
9888 * ggc-page.c (init_ggc): Add missing element to size_lookup
9892 2006-06-23 Richard Guenther <rguenther@suse.de>
9894 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9895 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9896 alignment requests instead. Add verification code.
9897 Add struct tree_function_decl and struct tree_binfo size to
9898 extra_order_size_table. Add missing element to size_lookup
9901 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
9904 * fold-const.c (const_binop): Be prepared for self returning zero.
9905 Simplify code handling complex values.
9907 2006-06-24 Olivier Hainque <hainque@adacore.com>
9909 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
9910 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
9913 2006-06-24 Olivier Hainque <hainque@adacore.com>
9915 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
9916 ARRAY_REF, so have the callback called for the low bound expression.
9918 2006-06-23 Janis Johnson <janis187@us.ibm.com>
9920 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
9921 * c-typeck.c (c_common_type): Disallow operations on decimal float
9922 types and other float types.
9923 * convert.c (convert_to_real): Don't ignore conversions involving
9924 decimal float types.
9926 2006-06-23 Olivier Hainque <hainque@adacore.com>
9928 * tree.c (max_int_size_in_bytes): New function, inspired from
9929 code in function.c:assign_temp.
9930 * tree.h (max_int_size_in_bytes): Declare.
9931 * function.c (assign_temp): Use it.
9932 * gimplify.c (create_tmp_var): Relax the assertions on the type
9933 properties, not mandating constant size any more.
9934 (force_constant_size): New static function.
9935 (gimple_add_tmp_var): Use it, forcing variable size to a
9936 constant upper bound if it is not constant on entry.
9938 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
9941 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
9942 for initialization and setting of one_only flag to ...
9943 (i386_pe_encode_section_info): ...here.
9944 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
9945 Recheck that the symbol has not been defined.
9947 2006-06-23 Richard Guenther <rguenther@suse.de>
9949 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9950 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9951 alignment requests instead. Add verification code.
9952 Add struct tree_function_decl and struct tree_binfo size to
9953 extra_order_size_table. Add missing element to size_lookup
9956 2006-06-22 Roger Sayle <roger@eyesopen.com>
9957 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9960 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
9961 call to lang_hooks.types.type_for_mode returned NULL_TREE.
9963 2006-06-23 Ben Elliston <bje@au.ibm.com>
9965 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
9966 negate dn -- manipulate it directly.
9968 2006-06-22 Roger Sayle <roger@eyesopen.com>
9969 Steven Bosscher <stevenb.gcc@gmail.com>
9972 * reload1.c (gen_reload): Call mark_jump_label on the new insns
9973 generated by gen_move_insn to add REG_LABEL notes if necessary.
9975 2006-06-22 Bob Wilson <bob.wilson@acm.org>
9977 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
9978 (leaf_entry): Remove use of MIN_ESA.
9980 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
9982 PR rtl-optimization/28121
9983 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
9986 2006-06-21 DJ Delorie <dj@redhat.com>
9988 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
9990 (mulhisi3_r): Likewise.
9992 2006-06-21 Richard Sandiford <richard@codesourcery.com>
9995 * coverage.c (coverage_counter_alloc): Leave the index type
9997 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10000 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10002 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10003 section from the "Options for Code Generation Conventions".
10005 2006-06-21 Richard Henderson <rth@redhat.com>
10009 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10011 (global_symbolic_operand): Allow weak symbols, even if local_p.
10013 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10015 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10016 (find_interesting_uses_address): Punt if above function returns true.
10018 2006-06-21 Richard Guenther <rguenther@suse.de>
10020 * configure: Regenerated.
10022 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10024 * config/mips/mips.c (function_arg): Where one part of a
10025 complex argument is in registers and the other part in the stack,
10026 return a REG not a PARALLEL.
10028 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10030 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10031 when cross-compiling. Do not substitute libstdcxx_incdir.
10032 * configure: Regenerated.
10034 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10036 * varasm.c (mergeable_string_section): Check for embedded NULs and
10037 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10038 rather than TREE_STRING_LENGTH bytes.
10040 2006-06-21 Richard Guenther <rguenther@suse.de>
10042 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10043 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10046 2006-06-21 Richrad Guenther <rguenther@suse.de>
10048 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10049 Limit iteration over the dominators.
10051 2006-06-20 Roger Sayle <roger@eyesopen.com>
10053 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10054 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10056 2006-06-20 Richard Guenther <rguenther@suse.de>
10057 Michael Matz <matz@suse.de>
10059 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10061 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10062 * et-forest.h (et_free_pools): Prototype new function.
10063 * et-forest.c (et_free_tree_force): Free parent occurrence.
10064 (et_free_pools): New function.
10065 * dominance.c (free_dominance_info): Free et-forest alloc
10068 2006-06-20 Roger Sayle <roger@eyesopen.com>
10070 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10071 integer modes, attempt to directly construct an integer constant.
10073 * fold-const.c (native_encode_vector): Determine the size of each
10074 element from the vector type instead of the first vector element.
10076 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10077 if all of its elements/components are constant.
10078 (build_constructor_from_list): Likewise.
10080 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10082 PR tree-optimization/27331
10083 * tree-data-ref.c (free_data_ref): New function.
10084 (create_data_ref): Fail if the data reference has unknown access
10086 (free_data_refs): Use free_data_ref.
10088 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10090 PR middle-end/28075
10091 * tree-inline.c (setup_one_parameter): Strip useless
10092 type conversion before adding it to the IR.
10093 (declare_return_variable): Likewise.
10095 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10098 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10100 2006-06-19 Mike Stump <mrs@apple.com>
10102 * tree.c (variably_modified_type_p): VM arguments don't make the
10105 2006-06-19 Richard Guenther <rguenther@suse.de>
10107 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10108 type conversions after folding.
10110 2006-06-19 Richard Guenther <rguenther@suse.de>
10112 * ggc-page.c (extra_order_size_tab): Add entries with
10113 size of struct function and basic_block.
10114 (size_lookup): Extend to cover sizes up to 511.
10115 (ggc_alloc_stat): Adjust user.
10116 (ggc_pch_count_object): Likewise.
10117 (ggc_pch_alloc_object): Likewise.
10118 (ggc_pch_write_object): Likewise.
10120 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10122 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10123 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10126 2006-06-19 Denis Chertykov <denisc@overta.ru>
10128 * config/avr/libgcc.S : Correct my wrong previous commit.
10130 2006-06-19 Roger Sayle <roger@eyesopen.com>
10133 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10134 have stripped a SUBREG from the shift count, so we may need to
10135 convert_to_mode back to the type's mode before calling make_tree.
10136 Use new_amount instead of amount to avoid expanding a tree twice.
10138 2006-06-19 Richard Guenther <rguenther@suse.de>
10140 PR middle-end/28045
10141 * fold-const.c (operand_equal_p): Check if the argument types
10142 have the same precision before stripping NOPs.
10144 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10146 Fix PR tree-optimization/27341
10147 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10149 * tree-complex.c (pass_lower_complex): Update SMT usage.
10151 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10153 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10154 Add a new alternative to the constraint strings. Add move of
10155 operand 1 to 3 to the splitter definition.
10156 ("doloop_si_long"): Second contraint alternative removed.
10158 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10160 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10161 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10163 (AVR_HAVE_MOVW) Define.
10164 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10165 (ASM_SPEC): Add avr25.
10166 (LINK_SPEC): Add avr25.
10167 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10168 (base_arch_s): Add new member 'have_movw_lpmx'.
10169 (avr_arch_types): Init 'have_movw_lpmx'.
10170 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10171 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10172 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10173 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10174 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10176 (avr_file_start): Do not output '.arh' derective.
10177 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10178 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10179 * config/avr/avr.md (mcu_enhanced): Delete.
10180 (mcu_have_movw): Define.
10181 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10182 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10183 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10184 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10185 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10186 attiny861 and at86rf401 devices.
10188 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10190 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10193 2006-06-17 Karl Berry <karl@gnu.org>
10195 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10196 doc/gccint.texi, doc/install.texi (@dircategory): Use
10197 "Software development" instead of "Programming", following
10198 the Free Software Directory.
10200 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10202 * config/i386/i386.c (legitimate_tls_address)
10203 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10204 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10205 (*tls_dynamic_gnu2_combine_64): Likewise.
10207 2006-06-16 Richard Guenther <rguenther@suse.de>
10209 PR middle-end/27116
10210 * fold-const.c (negate_expr_p): Do not introduce undefined
10211 overflow in negating INTEGER_CSTs.
10212 (fold_negate_expr): Rename from negate_expr. Revert last
10213 change for folding BIT_NOT_EXPR. Change semantics to
10214 return NULL_TREE for non-simplified negations. Do not
10215 strip type conversions and unify type handling.
10216 (negate_expr): New function, wrap around fold_negate_expr
10217 but ensure building a tree always. Strip type conversions
10218 here, fold to result type.
10219 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10221 2006-06-16 Roger Sayle <roger@eyesopen.com>
10223 PR middle-end/27802
10224 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10225 that (would) return their results in stack registers.
10227 2006-06-16 Michael Matz <matz@suse.de>
10228 Richard Guenther <rguenther@suse.de>
10230 * fold-const.c (fold_truthop): Only return new tree node if
10231 we canonicalized something.
10233 2006-06-16 Richard Guenther <rguenther@suse.de>
10235 * function.h (enum function_frequency): Move declaration
10236 out of struct function.
10237 (struct function): Move bool fields and the enum to the bitfield
10238 section. Reorder elements to avoid padding. Remove unused
10239 fields left over from the RTL inliner removal.
10240 * function.c (free_after_compilation): Do not zero removed fields.
10241 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10242 (ipa-type-escape.o): Likewise.
10244 2006-06-16 Richard Guenther <rguenther@suse.de>
10246 * cgraph.h (struct cgraph_local_info): Turn bool elements
10248 (struct cgraph_node): Likewise.
10249 (struct cgraph_varpool_node): Likewise.
10251 2006-06-15 Richard Guenther <rguenther@suse.de>
10253 * fold-const.c (fold_truth_not_expr): Rename from
10254 invert_truthvalue. Give it fold_* semantics to avoid
10255 generating garbage.
10256 (invert_truthvalue): New function. Wrapper around
10257 fold_truth_not_expr.
10258 (optimize_minmax_comparison): Avoid creating garbage.
10259 (fold_unary): Use fold_truth_not_expr for folding
10261 (fold_ternary): Replace uses of invert_truthvalue with
10262 fold_truth_not_expr where applicable.
10263 * tree.h (fold_truth_not_expr): Prototype.
10265 2006-06-16 Richard Guenther <rguenther@suse.de>
10267 PR tree-optimization/27781
10268 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10269 * ipa-pure-const.c (target.h): Include.
10270 (analyze_function): Do not analyze functions that do not
10273 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10275 PR middle-end/27793
10276 * tree-dfa.c (referenced_vars_dup_list): Remove.
10277 (find_referenced_vars): Remove assert.
10278 (referenced_var_check_and_insert): Replace dup list with assert.
10279 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10280 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10282 2006-06-15 Richard Guenther <rguenther@suse.de>
10284 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10285 extra unused identifiers if not dumping.
10286 (create_variable_info_for): Likewise.
10288 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10290 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10291 (derive_constant_upper_bound): Derive more precise upper bound in
10292 common cases. Return type changed to double_int.
10293 (record_estimate): Reflect the changed return type of
10294 derive_constant_upper_bound.
10295 * double-int.c (double_int_zext, double_int_sext): Fix.
10297 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10299 * configure.ac (CFLAGS): Get them from the toplevel or from the
10300 configure invocation.
10301 * configure: Regenerate.
10302 * Makefile.in (CFLAGS): Substitute value provided by configure.
10304 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10307 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10308 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10309 rather than calling add_stmt on it.
10310 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10312 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10314 PR middle-end/27959
10315 * reload1.c (reload): Remove registers returned by update_eliminables
10316 from used_spill_regs.
10318 2006-06-13 DJ Delorie <dj@redhat.com>
10320 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10322 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10324 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10325 html__strip_dir, html__mkdir_p. Enhance install-html target.
10326 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10327 * configure: Regenerate.
10329 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10331 * fold-const.c (fold_cond_expr_with_comparison): Check for
10332 Objective-C++ as language in deciding COND_EXPR transformation.
10334 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10337 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10338 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10339 * config/sh/lib1funcs.h (SL, SL1): Define.
10340 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10341 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10342 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10343 (OBJS_Os_4_200): New variable.
10344 ($(T)libgcc-Os-4-200.a): Use it.
10345 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10346 when dividing 1 and/or by 0.
10348 2006-06-13 Roger Sayle <roger@eyesopen.com>
10350 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10351 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10352 * configure: Regenerate.
10354 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10356 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10357 for real instruction.
10359 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10361 PR middle-end/26807
10362 * haifa-sched.c (check_cfg): Handle special case.
10364 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10367 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10368 Add debug_info parameter. Chain the vars to the BLOCK instead
10369 of the BIND_EXPR if debug info are requested for them.
10370 (pop_gimplify_context): Adjust for above change.
10371 (gimple_add_tmp_var): Likewise.
10372 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10373 Add bool parameter.
10374 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10375 (convert_local_reference): Likewise.
10376 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10377 (finalize_nesting_tree_1): Request that debug info be emitted
10378 for debug_var_chain.
10380 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10382 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10383 for PR target/27863.
10385 2006-06-13 Richard Guenther <rguenther@suse.de>
10387 PR middle-end/27536
10388 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10390 2006-06-13 Richard Guenther <rguenther@suse.de>
10392 PR tree-optimization/27830
10393 * tree-inline.c (copy_body_r): For copying the operand
10394 of an ADDR_EXPR make sure to fold &* afterwards.
10396 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10398 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10399 lvalues in the fb_none case with side-effects.
10401 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10403 * tree-flow.h: Remove the prototype for
10404 compute_phi_arg_on_exit.
10405 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10406 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10409 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10411 * builtins.c (expand_builtin_return_addr): Only use
10412 frame_pointer_rtx when count == 0 and we are expanding
10413 __builtin_return_address.
10415 2006-06-12 Fred Fish <fnf@specifix.com>
10417 * config/mips/mips.c (mips_file_start): Create special section
10418 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10420 2006-06-11 Eric Christopher <echristo@apple.com>
10422 PR middle-end/27948
10423 * stor-layout.c (place_field): Remove check for
10424 remaining_in_alignment when aligning at the end of a run.
10426 2006-06-11 Eric Christopher <echristo@apple.com>
10429 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10432 2006-06-11 Roger Sayle <roger@eyesopen.com>
10435 Revert incorrect fix for PR target/27158
10436 2006-05-08 Roger Sayle <roger@eyesopen.com>
10437 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10438 of a reg_equiv_constant if the result is a legitimate constant.
10440 2006-06-11 Roger Sayle <roger@eyesopen.com>
10443 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10444 extract a CONST_VECTOR element and interpret it as an integer.
10445 (vspltis_constant): Use const_vector_elt_as_int instead of the
10446 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10447 * config/rs6000/predicates.md (easy_vector_const): Consider
10448 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10450 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
10452 PR middle-end/27942
10453 * stor-layout.c (update_alignment_for_field): Don't add extra
10454 alignment for packed non-bitfield fields in ms_bitfield_layout_p
10457 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
10459 * config/mips/t-rtems: Add EL/EB multilib variants.
10461 2006-06-09 Mike Stump <mrs@apple.com>
10463 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
10465 2006-06-09 David Daney <ddaney@avtrex.com>
10467 * doc/install.texi: Add binutils version recommendation for mips-*-*.
10469 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
10471 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
10473 2006-06-09 Richard Guenther <rguenther@suse.de>
10475 PR tree-optimization/26998
10476 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
10477 of signed types, only TYPE_MIN_VALUE is special, but for both,
10478 minimum and maximum value. Likewise VR_ANTI_RANGE is special
10479 in this case, as is -fwrapv.
10481 2006-06-08 Mike Stump <mrs@apple.com>
10484 * config/darwin.c (darwin_asm_output_anchor): Disable
10485 -fsection-anchors on darwin for now.
10486 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10487 * rs6000/rs6000.c (optimization_options): Likewise.
10489 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10492 * config/i386/i386.c (classify_argument): Skip fields with invalid
10495 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10497 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10498 (cse_insn): Likewise for the stack_pointer_rtx.
10500 2006-06-08 Roger Sayle <roger@eyesopen.com>
10502 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10503 conditions from floating point comparisons.
10505 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10507 PR middle-end/27733
10508 * expmed.c (struct alg_hash_entry): Fix type of field T
10509 to match synth_mult argument.
10510 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10512 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10515 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10518 2006-06-08 Richard Guenther <rguenther@suse.de>
10520 PR middle-end/27116
10521 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10522 only, if overflow is defined and not trapping.
10523 (negate_expr): Likewise.
10525 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10527 PR tree-optimization/27872
10528 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10529 flag on the new exit edge of the unrolled loop.
10531 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10533 PR rtl-optimization/26449
10534 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10536 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10538 PR middle-end/27793
10539 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10540 referenced_variables with matching DECL_UID's.
10541 (find_referenced_vars): Make sure duplicate list is empty to start.
10542 (referenced_var_p): Remove.
10543 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10544 Check if var is in the list, and add if needed. Update the duplicate
10545 list if a different var is in the list with the same DECL_UID.
10546 (add_referenced_var): Call routine to check and insert.
10547 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10548 * tree-flow.h (referenced_vars_dup_list): External declaration.
10550 2006-06-07 Fred Fish <fnf@specifix.com>
10552 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10555 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10558 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10559 the imaginary and real parts of a clobbered register.
10560 Emit insn to set the imaginary part.
10562 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10564 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10565 in lieu of unwind-dw2-fde.c.
10567 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10569 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10571 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10574 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10575 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10576 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10577 V4SImode temporaries and operations instead.
10579 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10581 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10584 2006-06-06 Mike Stump <mrs@apple.com>
10586 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10587 installing during build.
10589 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10591 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10593 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10594 * config/ia64/ia64.c (params.h): New header.
10595 (ia64_optimization_options): New function to adjust parameters.
10596 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10597 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10598 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10600 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10602 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10604 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10607 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10609 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10610 Victor Kaplansky <victork@il.ibm.com>
10612 PR tree-optimization/26360
10613 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10616 2006-06-04 Roger Sayle <roger@eyesopen.com>
10617 Andrew Pinski <pinskia@physics.uc.edu>
10619 PR middle-end/27382
10620 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10621 for LABEL_DECL before calling DECL_WEAK.
10624 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10625 LABEL_DECL and PARM_DECL.
10627 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10631 * c-decl.c (grokdeclarator): Disallow variably modified types at
10632 file scope. Avoid marking shared array type of constant size as
10635 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10638 * c-common.c (fold_offsetof_1): Handle static members.
10640 2006-06-04 Eric Christopher <echristo@apple.com>
10642 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
10643 (debug_rli): Output value for remaining_in_alignment.
10644 (update_alignment_for_field): Unconditionalize
10645 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
10646 extra alignment code.
10647 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
10648 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10649 * tree.h (record_layout_info_s): Remove prev_packed.
10650 * doc/extend.texi (ms_struct): Add documentation of format.
10652 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10654 * tree.h: Declare folding_initializer.
10655 * builtins.c (fold_builtin_constant_p): Give definite answer
10656 if folding inside an initializer.
10657 * fold-const.c: Define folding_initializer.
10658 (START_FOLD_INIT): Save and then set folding_initializer.
10659 (END_FOLD_INIT): Restore folding_initializer.
10661 2006-06-04 Richard Guenther <rguenther@suse.de>
10663 PR tree-optimization/27039
10664 * fold-const.c (fold_comparison): Handle pointer comparison
10665 again for all comparison codes. Compare offsets in signed
10667 (fold_binary): Move code from here.
10669 2006-06-03 Roger Sayle <roger@eyesopen.com>
10672 * config/i386/i386.c (construct_container): Split static issued_error
10673 flag into issued_sse_arg_error, issued_sse_ret_error and
10674 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10675 requires the use of x87 registers and the user explicitly
10676 specified the -mno-80387 command line option.
10678 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10680 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10681 HAVE_DECL_SIGALTSTACK.
10683 (segv_handler): Use MC_FLD.
10684 * configure.ac: Check for a sigaltstack declaration.
10685 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10686 * configure: Regenerate.
10687 * config.in: Regenerate.
10689 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10692 * Makefile.in (stmp-fixinc): Fix typo.
10694 2006-06-02 Roger Sayle <roger@eyesopen.com>
10696 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10697 are type correct. Clean-up.
10698 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10699 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10701 2006-06-01 DJ Delorie <dj@redhat.com>
10703 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10704 shift, as we've disabled the "switch" insn that needs it.
10706 2006-06-01 Per Bothner <bothner@bothner.com>
10708 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10709 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10710 * c-ppoutput.c (cb_define): Don't increment line 0.
10712 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
10714 * doc/invoke.texi: Add cpu_type power6.
10715 * config.gcc: Add cpu_type power6.
10716 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
10717 to power5+ with Altivec.
10718 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
10719 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
10721 2006-05-30 Anatoly Sokolov <aesok@post.ru>
10723 * config/avr/avr.h (SET_ASM_OP): Define.
10725 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
10727 * config/bfin/bfin.c: Fix comment typos.
10729 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10732 * doc/install.texi: Document --enable-bootstrap and
10733 --disable-bootstrap.
10735 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10737 * doc/install.texi: Document that InfoZIP can replace jar.
10739 2006-05-31 Roger Sayle <roger@eyesopen.com>
10741 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
10742 isn't available, directly generate the simpler x87 patterns without
10743 the (use (const_int 0)).
10744 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
10745 implementation isn't available.
10746 (*negdf2_1): Likewise.
10747 (*negxf2_1): XF mode negation is always done using the x87.
10748 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
10750 2006-05-31 Roger Sayle <roger@eyesopen.com>
10752 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
10753 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
10755 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
10757 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10759 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
10760 * config/bfin/bfin.c (basic-block.h): Include.
10761 (struct machine_function): New.
10762 (bfin_init_machine_status): New.
10763 (override_options): Initialize init_machine_status.
10764 (bfin_hardware_loop): New.
10765 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
10766 (DEF_VEC_P (loop_info)): New.
10767 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
10768 (struct loop_info): New.
10769 (loop_info): New typedef.
10770 (struct loop_work): New.
10771 (loop_work): New typedef.
10772 (DEF_VEC_O (loop_work)): New.
10773 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
10774 (bfin_dump_loops): New.
10775 (bfin_bb_in_loop): New.
10776 (bfin_scan_loop): New.
10777 (bfin_optimize_loop): New.
10778 (bfin_reorg_loops): New.
10779 (bfin_reorg): Use bfin_reorg_loops.
10780 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
10782 (I_REGNO_P): Simplify.
10783 (DP_REGNO_P, DPREG_P): New macros.
10784 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
10785 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
10786 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10787 Add LT_REGS, LC_REGS, LB_REGS.
10788 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
10790 (REGNO_REG_CLASS): Deal with loop registers.
10791 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
10793 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
10794 New constants for loop registers.
10795 (UNSPEC_LSETUP_END): New.
10796 (seq_insns): New define_attr. Set it for appropriate insns.
10797 (movsi_insn): Add alternatives for move from/to
10798 loop count registers.
10799 (doloop_end): New define_expand.
10800 (loop_end): New define_insn.
10801 (define_split for bad doloop_end): New.
10802 (lsetup_with_autoinit): New define_insn.
10803 (lsetup_without_autoinit): New define_insn.
10804 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
10805 * config/bfin/predicates.md (lc_register_operand): New.
10806 (lt_register_operand): New.
10807 (lb_register_operand): New.
10808 (nondp_register_operand): New.
10809 (nondp_reg_or_memory_operand): New.
10810 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
10812 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10814 * config/bfin/bfin.c (bfin_delegitimize_address): New.
10815 (TARGET_DELEGITIMIZE_ADDRESS): Define.
10817 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
10819 * Makefile.in (CATALOGS): Add po/ prefix.
10820 * configure: Regenerated.
10822 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
10825 * arm.c (arm_print_operand case 'S'): Validate that the operand is
10826 a shift operand before calling shift_op. Avoid redundant call of
10829 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
10830 DJ Delorie <dj@redhat.com>
10832 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
10833 we're inserting is a singlt-bit constant.
10835 2006-05-30 Roger Sayle <roger@eyesopen.com>
10837 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
10838 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
10840 2006-05-30 Roger Sayle <roger@eyesopen.com>
10842 PR tree-optimization/23452
10843 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
10844 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
10845 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
10846 complex values and with -ffast-math for FP complex values.
10848 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
10850 * c-common.h: Remove the prototype for yyparse.
10851 * rtl.h: Remove the prototype for init_loop.
10853 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
10855 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
10858 2006-05-30 Roger Sayle <roger@eyesopen.com>
10860 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
10862 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
10863 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
10865 2006-05-30 Dirk Mueller <dmueller@suse.de>
10868 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
10869 for CONSTANT_CLASS_P expresisons.
10871 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10874 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
10876 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
10878 PR tree-optimization/27779
10879 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
10880 initial_condition instead of CHREC_LEFT.
10882 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
10884 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
10885 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
10886 Make prototypes ISO C90.
10888 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
10889 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10891 * see.c (see_analyze_one_def): Correct check.
10892 (see_get_extension_data): Check if extension is parallel.
10893 (see_get_extension_reg): Likewise.
10895 2006-05-30 Uros Bizjak <uros@kss-loka.si>
10898 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
10899 into register for (code == GTU).
10901 2006-05-29 Roger Sayle <roger@eyesopen.com>
10903 PR tree-optimization/24964
10904 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
10905 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
10906 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
10907 abs(x)*abs(x) as x*x for scalar floating point modes.
10909 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
10911 PR middle-end/27745
10912 * lambda-code.c (perfect_nestify): Don't copy statements
10913 in the inner loop: move them to the inner loop header.
10915 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10918 * c-tree.texi: Document OpenMP directives and clauses.
10920 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10922 * varasm.c (globalize_decl): Fix indentation.
10924 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10927 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
10928 pass_fre, pass_store_ccp, pass_copy_prop,
10929 pass_store_copy_prop, pass_merge_phi, pass_nrv,
10930 pass_return_slot, pass_object_size, pass_lim,
10931 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
10932 pass_loop_prefetch and pass_stdarg.
10934 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
10936 * config/bfin/bfin.opt (mfdpic): New option.
10937 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
10938 (EXTRA_MULTILIB_PARTS): Likewise.
10939 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
10940 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
10942 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
10943 (CRT_CALL_STATIC_FUNCTION): New.
10944 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
10946 (CRT_CALL_STATIC_FUNCTION): New.
10947 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
10949 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
10950 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
10951 (initialize_trampoline): Changed to handle FD-PIC code generation.
10952 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
10953 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
10954 (override_options): Disallow -mid-shared-library -mfdpic combination.
10955 Can't do unaligned ops if FD-PIC.
10956 Turn off flag_pic if trying to generate non-id-shared-library
10957 non-fdpic code, since it's not supported.
10958 (bfin_assemble_integer): New function.
10959 (TARGET_ASM_INTEGER): Define.
10960 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
10962 * config/bfin/crtn.s: Restore them.
10963 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
10965 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
10966 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
10967 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
10968 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
10969 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
10971 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
10972 FDPIC_REGS and FDPIC_FPTR_REGS.
10973 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
10974 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
10975 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
10976 (load_funcdescsi): New pattern.
10977 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
10978 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
10979 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
10981 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10983 * gcse.c, rtlanal.c: Remove obsolete comments associated with
10986 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
10988 * tree-flow.h: Remove the prototype for add_type_alias.
10989 * tree-ssa-alias.c (add_type_alias): Remove.
10991 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
10993 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
10994 config/fr30/fr30.md, config/i386/i386-interix.h,
10995 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
10996 config/sh/superh64.h, config/v850/v850.c, df-core.c,
10997 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
10998 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
10999 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11000 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11001 Follow spelling conventions.
11002 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11003 Follow spelling conventions.
11005 2006-05-27 Richard Guenther <rguenther@suse.de>
11007 PR middle-end/27773
11008 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11009 to produce a constant of value 1 of generic type.
11011 2006-05-27 Dirk Mueller <dmueller@suse.de>
11013 * cgraphunit.c (decide_is_function_needed): Fix wrong
11016 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11018 PR rtl-optimization/27661
11019 * reload.c (find_reloads): When reloading a VOIDmode constant
11020 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11021 use Pmode as mode of the reload register.
11023 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11025 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11026 is enabled at -O and above.
11028 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11031 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11034 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11037 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11038 for anonymous variables explicitly declared by front ends.
11040 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11042 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11043 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11044 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11045 ref-all pointers, run a finalization pass for them.
11046 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11047 (finalize_ref_all_pointers): New function.
11048 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11049 regular pointer type to a ref-all pointer type.
11050 (get_tmt_for): Return the special memory tag for ref-all pointers.
11052 2006-05-25 Richard Guenther <rguenther@suse.de>
11054 PR middle-end/27743
11055 * fold-const.c (fold_binary): Do not look at the stripped
11056 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11058 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11060 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11061 for LT and GT if the computed range is effectively empty.
11063 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11066 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11067 mips_quad_format formats instead of ieee_single_format,
11068 ieee_double_format and ieee_quad_format formats, respectively.
11070 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11072 PR tree-optimization/27639
11073 PR tree-optimization/26719
11074 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11075 call to scev_probably_wraps_p.
11076 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11077 used_in_pointer_arithmetic_p, convert_step): Removed.
11078 (nowrap_type_p): New function.
11079 (scev_probably_wraps_p): Rewritten.
11080 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11081 chrec_convert if chrec_convert_aggressive might have been used.
11082 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11083 scev_direction): New functions.
11084 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11085 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11086 instead of convert_step.
11087 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11088 (convert_step): Declaration removed.
11089 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11091 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11093 * df-core.c: Added to header comments.
11094 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11095 df_ur_bb_info, df_urec_bb_info): Added comments.
11096 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11097 urec, ri problems): Fixed header comments.
11098 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11099 code from df_rd_transfer_function.
11101 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11103 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11104 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11105 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11107 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11109 * expr.c (undefined_operand_subword_p): New.
11110 (emit_move_multi_word): Do not generate move from undefined bits
11111 of a paradoxical subreg.
11113 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11115 PR rtl-optimization/27736
11116 * combine.c (replaced_rhs_value): New variable.
11117 (combine_instructions): Set it.
11118 (distribute_notes): When distributing a note in replaced_rhs_insn,
11119 check whether the value was used in replaced_rhs_value.
11121 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11124 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11125 add_referenced_var instead of add_referenced_tmp_var.
11126 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11127 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11128 add_referenced_var.
11129 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11130 tree_optimize_tail_calls_1): Use add_referenced_var.
11131 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11132 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11133 Use add_referenced_var.
11134 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11135 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11136 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11137 Use add_referenced_var.
11138 * tree-dfa.c (struct walk_state): Remove.
11139 (find_referenced_vars): Remove walk state and vars_found hash table.
11140 (make_rename_temp): Use add_referenced_var.
11141 (find_vars_r): Pass less parameters to add_referenced_var.
11142 (referenced_var_p): New. Is var in referenced_var hash table.
11143 (referenced_var_insert): Assert var isn't already in hash table.
11144 (add_referenced_var): Don't need walk_state parameter. Add var if it
11145 isn't already in the hash table.
11146 (add_referenced_tmp_var): Remove.
11147 (find_new_referenced_vars_1): Use add_referenced_var.
11148 * tree-ssa-pre.c (create_expression_by_pieces,
11149 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11150 Use add_referenced_var.
11151 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11152 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11153 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11154 add_referenced_var.
11155 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11156 vect_create_data_ref_ptr, vect_create_destination_var,
11157 vect_init_vector, vect_build_loop_niters,
11158 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11159 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11160 Use add_referenced_var.
11161 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11162 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11163 (add_referenced_var): Add prototype.
11164 * tree-ssa-structalias.c (get_constraint_for,
11165 intra_create_variable_infos): Use add_referenced_var.
11167 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11169 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11170 big-endian paradoxical subregs.
11171 * var-tracking.c (struct micro_operation_def): Document that,
11172 for modify micro operations, insn is the subsequent instruction.
11173 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11174 (var_reg_set, var_mem_set): ... new functions.
11175 (add_stores): Record subsequent insn.
11176 (compute_bb_dataflow): Use new functions for MO_USE.
11177 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11178 notes after the insn, and modify notes before the insn known
11179 to be the subsequent one.
11180 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11182 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11185 * config/i386/i386.c (ix86_expand_builtin): Use
11186 gen_sse3_monitor64 for TARGET_64BIT.
11188 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11190 PR rtl-optimization/26375
11191 PR rtl-optimization/26855
11192 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11194 (df_ru_bb_local_compute): Reversed statements and removed bogus
11195 comment explaining why they should be in wrong order.
11196 (df_ru_dump, df_rd_dump): Enhanced debug info.
11197 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11199 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11200 reaching uses and fixed space problem.
11202 2006-05-23 Jan Hubicka <jh@suse.cz>
11204 * cgraphunit.c (decide_is_function_needed): Also nested functions
11205 and functions declared inline can be optimized out at -O0.
11207 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11209 * doc/install.texi (Configuration): Remove reference to CrossGCC
11210 FAQ which was gone.
11213 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11216 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11217 ix86_compare_emitted is non-NULL.
11219 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11222 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11225 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11227 PR rtl-optimization/25514
11228 * combine.c (replaced_rhs_insn): New variable.
11229 (combine_instructions): Set replaced_rhs_insn when trying to replace
11230 a SET_SRC with a REG_EQUAL note.
11231 (distribute_notes): Use replaced_rhs_insn when determining the live
11232 range of a REG_DEAD register.
11234 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11235 Anatoly Sokolov <aesok@post.ru>
11237 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11238 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11239 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11240 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11241 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11242 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11243 at90usb647, at90usb1286 and at90usb1287 devices.
11244 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11245 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11247 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11249 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11251 2006-05-22 Richard Guenther <rguenther@suse.de>
11254 2006-01-31 Richard Guenther <rguenther@suse.de>
11255 Paolo Bonzini <bonzini@gnu.org>
11257 * doc/install.texi (--disable-libgcc-math): Document.
11259 2006-05-22 Richard Guenther <rguenther@suse.de>
11262 2006-01-31 Richard Guenther <rguenther@suse.de>
11264 * doc/invoke.texi (-msselibm): Document.
11265 * target.h (expand_library_builtin): New target hook.
11266 * builtins.c (expand_builtin): Use expand_library_builtin.
11267 (default_expand_library_builtin): New function.
11268 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11269 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11270 (link_gcc_math_spec): Declare.
11271 (static_specs): Add link_gcc_math_spec.
11272 * expr.h (default_expand_library_builtin): Declare.
11273 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11274 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11275 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11276 * config/i386/i386.opt (msselibm): New target option.
11277 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11278 (ix86_init_sse_abi_builtins): New function.
11279 (ix86_expand_library_builtin): Likewise.
11280 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11281 (override_options): Handle error conditions wrt -msselibm.
11282 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11283 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11284 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11287 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11290 * c-common.c (self_promoting_args_p): Skip erroneous args.
11293 * c-decl.c (finish_struct): Skip erroneous fields.
11295 2006-05-22 Nick Clifton <nickc@redhat.com>
11297 * config/cris/cris.opt (march): Remove VarExists attribute.
11298 (max-stackframe=): Likewise.
11300 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11302 * doc/rtl.texi: Fix a typo.
11303 * see.c: Fix comment typos.
11305 * tree-ssa-structalias.h (alias_info): Remove num_references.
11307 2006-05-21 Mike Stump <mrs@apple.com>
11309 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11311 (darwin_pragma_options): Use BAD instead.
11312 (darwin_pragma_unused): Likewise.
11313 (darwin_pragma_ms_struct): Likewise.
11315 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11317 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11319 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11321 PR rtl-optimization/27671
11322 * simplify-rtx.c (simplify_relational_operation_1): Fix
11323 simplifications of (eq/ne (xor x y) y) and
11324 (eq/ne (xor x y) x).
11326 PR tree-optimization/26622.
11327 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11330 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11332 * tree-cfg.c: Prune whitespace.
11333 (debug_tree_cfg): Point to correct header containing the
11336 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11338 PR middle-end/25776
11339 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11341 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11343 PR middle-end/25776
11344 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11345 or sorry count is non zero.
11347 2006-05-20 Andreas Schwab <schwab@suse.de>
11349 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11351 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11352 Kenneth Zadeck <zadeck@naturalbridge.com>
11354 PR rtl-optimization/26855
11356 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11358 (df_scan_alloc): Added code to properly handle multiword hard
11359 registers and add all_blocks parameter.
11360 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11361 code to properly handle multiword hard registers.
11362 (df_rescan_blocks): Added code to remove deleted blocks from
11364 (df_ref_create_structure, df_ref_record): Added code to properly
11366 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11367 and set DF_REF_PARTIAL.
11368 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11369 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11370 (df_scan_add_problem): Added flags parameter.
11371 (df_ref_create_structure): Changed switching structure.
11372 (df_bb_refs_record): Fixed case where duplicate artificial refs
11373 were created. Changed location of flags.
11374 (df_record_entry_block_defs): Added code to make stack pointer
11375 live in entry block. Refined cases where frame pointer is needed.
11376 Changed location of flags.
11377 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11378 (df_set_state): Removed function.
11379 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11380 df_insn_create_insn_record, df_insn_refs_delete,
11381 df_ref_create_structure): Formatting changes.
11382 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11383 df_delete_basic_block): New function.
11384 (df_init): Changed location of flags.
11385 (df_add_problem): Added flags parameter and the way flags are
11387 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11388 debug_df_chain): Improved debugging output.
11389 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11390 (df_refs_chain_dump): Removed df parameter.
11391 (df_iterative_dataflow): Added consistency check.
11392 (df_prune_to_subcfg): Made public.
11393 (df_analyze_problem): Added blocks_to_init parameter and made
11395 (df_ref_record, df_bb_refs_record, df_mark_reg,
11396 df_record_exit_block_uses): Whitespace changes.
11397 (df_dump): Whitespace changes.
11398 * df.h: Some reordering to remove forward references.
11399 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11400 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11401 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11402 (dataflow.flags): New field.
11403 (df.flag): Deleted field.
11404 (df_alloc_function): Added additional bitmap parameter.
11405 (df_dependent_problem_function): New type.
11406 (df_problem.changeable_flags): New field.
11407 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11408 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11409 (df_mw_hardreg): New struct.
11410 (DF_INSN_UID_MWS): New macro.
11411 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11413 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11414 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11415 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11416 (df_set_state): Removed function.
11417 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11418 * df-problems.c (df_chain_dump): Removed df parameter.
11419 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11420 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11422 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11423 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11424 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11425 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11426 DF_REF_MUST_CLOBBER cases.
11427 (df_ru_bb_local_compute_process_def,
11428 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11429 df_lr_bb_local_compute, df_ur_bb_local_compute,
11430 df_chain_create_bb): Made subreg aware.
11431 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11432 df_lr_bb_local_compute, df_lr_bb_local_compute,
11433 df_chain_create_bb): Cleanup to use proper macros.
11434 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11435 code to fixup bitvectors.
11436 (df_ri_alloc): Cleared lifetime.
11437 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11438 df_create_unused_note): New function.
11439 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11440 REG_DEAD and REG_UNUSED notes as well as register information.
11441 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11442 df_chains_dump): Fixed crash if problem was never run.
11443 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11444 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11445 df_ri_add_problem): Processes flags in uniform manner.
11446 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11447 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11448 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11449 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11450 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
11451 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
11452 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
11453 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
11454 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
11455 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
11456 * see.c (see_initialize_data): Ditto.
11457 * final.c (rest_of_clean_state) Added regstack_completed.
11458 * rtl.h (regstack_completed): Ditto.
11459 * reg-stack.c (regstack_completed): Ditto.
11461 2006-05-19 Mike Stump <mrs@apple.com>
11463 * c-tree.h (default_conversion): Remove.
11464 * c-common.h (default_conversion): Add.
11466 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
11468 * tree-vrp.c (valid_value_p): New function.
11469 (adjust_range_with_scev): Fail if the value of bound is not
11472 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11474 * config/mips/linux-unwind.h: Include <asm/unistd.h>
11475 (mips_fallback_frame_state): Use syscall numbers to determine
11476 the appropriate li instruction for the current ABI. Only use
11477 __NR_sigreturn for o32.
11479 2006-05-19 Nicolas Setton <setton@adacore.com>
11481 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
11482 * langhooks.c (lhd_dwarf_name): New function.
11483 * langhooks-def.h (lhd_dwarf_name): Declare.
11484 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11485 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11487 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11489 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11491 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11492 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11493 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11494 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11495 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11496 determine the size of Wtype, etc.
11497 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11498 (swfloatfuncs): New variable.
11499 (dwfloatfuncs): Likewise.
11500 (lib2funcs): Remove floating-point conversion functions from
11501 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11502 the set of conversion routines needed. Allow entries to specify
11503 an object name, filename and word size. Update users accordingly.
11504 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11505 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11509 2006-02-08 Roger Sayle <roger@eyesopen.com>
11512 * config/fixtfdi.c: New libgcc source file.
11513 * config/fixunstfdi.c: New source file.
11514 * config/floatditf.c: New source file.
11515 * config/floatunditf.c: New souce file.
11516 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11517 files above instead of config/mips/_tilib.c.
11518 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11520 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11522 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11523 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11525 2006-05-18 Mike Stump <mrs@apple.com>
11527 Fix up vla, vm and [*] sematics.
11533 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11534 (c_vla_unspec_p): Add.
11535 (c_vla_type_p): Add.
11536 * c-decl.c (struct c_scope): Add had_vla_unspec.
11537 (build_array_declarator): Add support for [*].
11538 (grokdeclarator): Likewise.
11539 (grokparms): Likewise.
11540 (get_parm_info): Likewise.
11541 * c-objc-common.c (c_vla_unspec_p): Likewise.
11542 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11543 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11544 typeof when argument is a variably modified type not inside sizeof or alignof.
11545 (c_parser_direct_declarator_inner): Propagate errors.
11546 (c_parser_sizeof_expression): Add support for [*].
11547 (c_parser_parms_declarator): Initialize had_vla_unspec.
11548 (c_parser_parms_list_declarator): Likewise.
11549 * c-typeck.c (c_vla_type_p): Add.
11550 (composite_type): Add support for vla compositing.
11551 (comptypes_internal): Add support for vla compatibility.
11552 (c_expr_sizeof_expr): Evaluate vla arguments.
11553 * tree.c (variably_modified_type_p): Update comment for [*].
11555 2006-05-18 Michael Matz <matz@suse.de>
11558 * config.host: Make assignments to host_xmake_file cumulative.
11559 * config.host (*-darwin*): Test $host, not $target.
11561 2006-05-12 Stuart Hastings <stuart@apple.com>
11563 * config/i386/i386.opt (-mstackrealign): New flag.
11564 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11565 (ix86_handle_cconv_attribute): Emit error when
11566 force_align_arg_pointer attribute collides with too many regparms.
11567 (ix86_function_regparm): Limit regparms when used with
11568 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11569 Support stack-realigning prologue in non-main functions. Emit
11570 warning for nested functions under -mstackrealign, emit error for
11571 nested functions with force_align_arg_pointer attribute.
11572 * doc/extend.texi (force_align_arg_pointer): Document it.
11573 * doc/invoke.texi (-mstackrealign): Document it.
11575 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11577 PR rtl-optimization/27477
11578 * combine.c (try_combine): Don't split a parallel consisting
11579 of two sets into two individual sets if both sets reference
11582 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11584 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11585 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11587 * doc/options.texi (VarExists): Updated.
11589 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11591 * unwind-dw2.c: Add declarations for uw_update_context and
11592 uw_frame_state_for.
11593 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11594 detected, advance frame state and context once to skip over stub.
11596 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11598 PR middle-end/20256
11599 PR middle-end/26435
11600 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11601 Call rewrite_into_loop_closed_ssa only when something changed.
11602 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11603 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11604 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11605 Test for perfect_nest_p here. Fix formating.
11606 (replace_uses_equiv_to_x_with_y): Fix formating.
11607 (stmt_uses_op): Removed.
11608 (can_convert_to_perfect_nest): Removed loopivs parameter.
11609 Complete the test by checking the scalar dependences.
11610 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11613 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11616 From Dan Kegel <dank@kegel.com>:
11617 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11619 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11621 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11622 if the element type is variably modified without recursing.
11624 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11626 PR middle-end/27332
11627 * tree-loop-linear.c (try_interchange_loops): Test for
11628 no data dependences.
11630 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
11632 PR tree-optimization/27548
11633 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11634 range of ssa names that appear on abnormal edges.
11635 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
11636 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
11638 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11640 PR middle-end/27620
11641 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
11643 2006-05-17 Jakub Jelinek <jakub@redhat.com>
11645 PR middle-end/27415
11646 * tree.h (OMP_PARALLEL_COMBINED): Define.
11647 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
11648 (new_omp_context): Add is_combined_parallel argument.
11649 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
11650 new_omp_context caller.
11651 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
11652 Adjust gimplify_scan_omp_clauses callers.
11653 (omp_is_private): Issue errors if iteration variable is firstprivate
11654 or reduction in the current context.
11655 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
11656 on combined parallel workshare constructs.
11658 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11660 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
11661 (gcc-options.o): New rule.
11663 * optc-gen.awk: Protect variables for gcc-options.o with
11664 #ifdef GCC_DRIVER/#endif.
11666 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11668 Fix PR tree-optimization/27373
11669 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11670 (forward_propagate_addr_expr): Update call.
11672 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11674 * doc/options.texi: Move the Negative option.
11676 2006-05-16 Richard Guenther <rguenther@suse.de>
11678 PR tree-optimization/22303
11679 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11681 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11682 ccp_fold did not simplify the statement.
11684 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11687 * Makefile.in (GCC_OBJS): New.
11688 (OBJS-common): Add opts-common.o.
11689 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11690 (cpp$(exeext)): Likewise.
11691 (gcc.o): Also depend on opts.h.
11692 (opts-common.o): New.
11694 * common.opt (gcoff): Add Negative(gdwarf-2).
11695 (gdwarf-2): Add Negative(gstabs).
11696 (gstabs): Add Negative(gstabs+).
11697 (gstabs+): Add Negative(gvms).
11698 (gvms): Add Negative(gxcoff).
11699 (gxcoff): Add Negative(gxcoff+).
11700 (gxcoff+): Add Negative(gcoff).
11701 * config/i386/i386.opt (m32): Add Negative(m64).
11702 (m64): Add Negative(m32).
11704 * doc/options.texi: Document the Negative option.
11706 * gcc.c: Include "opts.h".
11707 (main): Call prune_options after expandargv.
11709 * optc-gen.awk: Generate common declarations for all flag
11710 variables in options.c. Output the neg_index field.
11712 * opts.c (find_opt): Moved to ...
11713 * opts-common.c: Here. New file.
11715 * opts.h (cl_option): Add a neg_index field.
11717 (prune_options): Likewise.
11719 2006-05-16 Jakub Jelinek <jakub@redhat.com>
11721 PR middle-end/27573
11722 * omp-low.c (expand_omp_parallel): Don't assert
11723 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
11724 instead search for it.
11727 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
11730 2006-05-16 Andreas Schwab <schwab@suse.de>
11732 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
11735 2006-05-15 Roger Sayle <roger@eyesopen.com>
11738 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
11739 integer constants other than zero are only legitimate on TARGET_64BIT.
11740 <CONST_VECTOR> Only zero vectors are legitimate.
11741 (ix86_cannot_force_const_mem): Integral and vector constants can
11742 always be put in the constant pool.
11744 2006-05-16 DJ Delorie <dj@redhat.com>
11746 * crtstuff.c (__dso_handle): Set section from
11747 TARGET_LBIGCC_SDATA_SECTION if defined.
11748 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
11749 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
11751 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
11754 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
11757 2006-05-16 Ben Elliston <bje@au.ibm.com>
11759 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
11761 2006-05-15 Per Bothner <per@bothner.com>
11763 * tree.c: (last_annotated_node): Use source_locus typedef.
11764 This permits bootstrapping with --enable-mapped-location.
11766 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
11768 PR tree-optimization/26830
11769 * tree-into-ssa.c (struct ssa_name_info): Add age field.
11770 (info_for_ssa_name, current_info_for_ssa_name_age,
11771 blocks_to_update): New variables.
11772 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
11773 (clear_ssa_name_info, initialize_flags_in_bb,
11774 mark_block_for_update): New functions.
11775 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
11776 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
11777 prepare_def_site_for): Use mark_block_for_update.
11778 (mark_def_interesting): Assert that the processed block is marked in
11779 blocks_to_update. Do not take blocks argument.
11780 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
11782 (rewrite_update_init_block, rewrite_update_stmt): Only process
11783 blocks with statements to rewrite.
11784 (delete_update_ssa): Do not clear SSA_NAME_AUX.
11785 (update_ssa): Initialize and free blocks_to_update. Do not
11786 clear flags on statements. Do not use blocks bitmap.
11787 * tree.h (SSA_NAME_AUX): Removed.
11788 (struct tree_ssa_name): Removed aux field.
11789 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
11791 2006-05-15 Richard Guenther <rguenther@suse.de>
11793 PR tree-optimization/27603
11794 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
11795 Do computations in original type.
11797 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
11799 * see.c: Code style changes such as redundant paranthesis,
11800 redundant intialization of local variables etc.
11801 (see_main): Declared now as static.
11802 * doc/invoke.texi: Update that -fsee is not enabled by
11805 2006-05-15 Jakub Jelinek <jakub@redhat.com>
11807 * omp-low.c (check_omp_nesting_restrictions): New function.
11808 (scan_omp_1): Call it.
11810 PR middle-end/27416
11811 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
11812 construct, return *VAR.
11814 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
11816 PR rtl-optimization/27406
11817 * bt-load.c (migrate_btr_def): Skip the block having abnormal
11820 2006-05-14 Roger Sayle <roger@eyesopen.com>
11822 PR rtl-optimization/27538
11823 * combine.c (expand_compound_operation): Call gen_lowpart
11824 before calling simplify_shift_const.
11826 2006-05-14 Roger Sayle <roger@eyesopen.com>
11828 PR rtl-optimization/22563
11829 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
11830 a fixed width bitfield, always force the intermediates into psuedos.
11832 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
11835 * mkconfig.sh: Use operator = instead of == for test.
11837 2006-05-13 Nick Clifton <nickc@redhat.com>
11839 * dwarf2out.c (dbx_reg_number): Check return value from
11840 LEAF_REG_REMAP and only use it if it is valid.
11841 (multiple_reg_loc_descriptor): Likewise.
11843 2006-05-13 Richard Guenther <rguenther@suse.de>
11845 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
11848 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
11850 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
11851 information attached to non-INSNs such as NOTEs.
11852 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
11854 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
11856 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
11858 * config/s390/s390.md: Adjust comment describing On constraint.
11860 2006-05-11 Jan Hubicka <jh@suse.cz>
11862 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
11863 to be output at -O0.
11865 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11867 PR middle-end/27384
11868 * fold-const.c (size_binop): Move sanity check for arguments to
11869 the beginning of the function.
11871 PR middle-end/27488
11872 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
11875 2006-05-11 Richard Guenther <rguenther@suse.de>
11877 PR middle-end/27529
11878 * fold-const.c (fold_unary): Handle intermediate conversion
11879 to a pointer type like intermediate conversion to an integer
11880 type in folding of (T1)(T2)var to var.
11881 Match the code to the comment in the final conversion for
11882 (T1)(T2)var to (T1)var regarding to type precision. Rather
11883 than disallow T1 being of pointer type, assert that both T1
11884 and var are of pointer type or not. Make sure not to fall
11885 over the frontends lazyness wrt array to pointer decay though.
11887 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
11889 * arm.c (arm_struct_value_rtx): Delete.
11890 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
11891 (arm_init_cumulative_args): Always initialize nregs to zero.
11893 2006-05-10 Richard Guenther <rguenther@suse.de>
11895 PR tree-optimization/27532
11896 * tree-object-size.c (plus_expr_object_size): Fix typo.
11898 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
11901 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
11902 ashrdi_const, ashrdi3): Use a scratch register.
11904 2006-05-10 Richard Guenther <rguenther@suse.de>
11906 PR tree-optimization/27302
11907 * fold-const.c (operand_equal_p): For two comparisons,
11908 try comparison of one comparison code swapped if that yields
11911 2006-05-10 Ben Elliston <bje@au.ibm.com>
11913 * tree-pretty-print.c (pretty_print_string): No need to handle
11914 '\0' as a special character.
11916 * tree.h: Include "hashtab.h".
11917 (iterative_hash_expr): Use hashval_t in its prototype.
11918 * Makefile.in (TREE_H): Add $(HASHTAB_H).
11920 2006-05-09 Steve Ellcey <sje@cup.hp.com>
11923 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
11924 (hppa*64*-*-hpux11*): Ditto.
11925 (hppa[12]*-*-hpux11*): Ditto.
11927 2006-05-09 David Edelsohn <edelsohn@gnu.org>
11930 * config/rs6000/aix41.h (TARGET_64BIT): Define.
11932 2006-05-09 Michael Matz <matz@suse.de>
11934 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
11935 host_extra_gcc_objs and host_xmake_file.
11936 (<*-*-linux*>): Don't overwrite host_xmake_file.
11937 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
11938 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
11939 (host_detect_local_cpu): Declare.
11940 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
11941 * config/i386/i386.c (override_options): Handle -mtune=native
11943 * config/i386/x-i386: New file.
11944 * config/i386/driver-i386.c: New file.
11945 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
11948 2006-05-09 Dirk Mueller <dmueller@suse.de>
11949 Richard Guenther <rguenther@suse.de>
11951 PR middle-end/27498
11952 * fold-const.c (fold_read_from_constant_string): Relax check
11953 for matching types to matching modes.
11955 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
11957 PR rtl-optimization/27335
11958 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
11961 2006-05-08 Chao-ying Fu <fu@mips.com>
11962 Richard Sandiford <richard@codesourcery.com>
11964 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
11965 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
11966 * config/mips/mips.md (UNSPEC_SCC): New constant.
11967 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
11968 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
11969 (mips_emit_compare): Use it.
11970 (mips_expand_vcondv2sf): New function.
11972 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
11974 Fix PR tree-optimization/27093
11975 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
11976 renaming when they become not-used_alone.
11978 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11980 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
11981 relocation and relocation stubs.
11983 2006-05-08 Eric Christopher <echristo@apple.com>
11985 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
11988 2006-05-08 Jan Hubicka <jh@suse.cz>
11990 PR middle-end/24561
11991 * cgraphunit.c (decide_is_function_needed): When not optimizing even
11992 unused static functions are needed.
11994 2006-05-08 Roger Sayle <roger@eyesopen.com>
11997 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11998 of a reg_equiv_constant if the result is a legitimate constant.
12000 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12003 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12004 standard 80387 constants, raise the cost to prevent
12005 compress_float_constant() to generate load from memory.
12007 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12009 * config/arm/constraints.md (c): Fix a typo.
12011 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12014 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12017 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12019 (_mm_mwait): Likewise.
12021 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12023 (sse3_monitor): Make it 32bit only.
12024 (sse3_monitor64): New. 64bit monitor.
12026 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12029 * config/i386/i386.c (classify_argument): Skip fields with invalid
12032 2006-05-07 Richard Guenther <rguenther@suse.de>
12034 PR tree-optimization/27409
12035 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12036 Do not try to find zero-sized subvars.
12038 2006-05-07 Richard Guenther <rguenther@suse.de>
12040 PR tree-optimization/27136
12041 * tree-ssa-loop-niter.c (get_val_for): Correct function
12042 comment, assert requirements.
12043 (loop_niter_by_eval): Stop processing if the iterated
12044 value did not simplify.
12046 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12048 * opts.c (flag_see): remove its setting at -O3.
12050 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12052 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12053 * arm/constraints.md: New file.
12054 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12055 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12056 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12057 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12058 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12059 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12060 * arm.md: Include constraints.md.
12061 (thumb_movsi_insn): Use satisfies_constraint_J.
12062 (movhi, movqi): Use satisfies_constraint_I.
12064 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12066 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12067 for atmeg a645 device.
12069 2006-05-06 Richard Guenther <rguenther@suse.de>
12071 PR tree-optimization/27151
12072 * tree-vect-transform.c (vectorizable_condition): Punt on
12073 values that have a different type than the condition.
12075 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12078 * c-parser.c (c_parser_cast_expression): Only insert casts into
12079 hash table if pointer.
12080 * function.c (used_types_insert_helper): Rename from
12082 (used_types_insert): Call used_types_insert_helper.
12083 * function.h (used_types_insert): Accept only one argument.
12085 2006-05-05 David Edelsohn <edesohn@gnu.org>
12087 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12088 scratch with output modifier.
12090 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12093 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12094 with output modifier.
12096 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12099 * config/mips/mips.c (mips_symbolic_address_p): Return true
12100 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12101 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12103 2006-05-04 Richard Guenther <rguenther@suse.de>
12105 PR tree-optimization/14287
12106 PR tree-optimization/14844
12107 PR tree-optimization/19792
12108 PR tree-optimization/21608
12109 PR tree-optimization/27090
12110 * tree-ssa-pre.c (try_combine_conversion): New function.
12111 (compute_avail): After constructing the value-handle
12112 expression, use try_combine_conversion to combine NOP_EXPRs
12113 with previous value-handle expressions and use the result if it
12116 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12118 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12120 2006-05-04 Jan Hubicka <jh@suse.cz>
12122 PR middle-end/25962
12123 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12125 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12127 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12128 that this only matches CONST_INTs. All users changed to VOIDmode
12131 * config/bfin/bfin.c: Include "optabs.h".
12132 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12134 (enum bfin_builtins): Add a number of fractional and vector builtins.
12135 (bfin_init_builtins): Likewise.
12136 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12137 (safe_vector_operand, bfin_expand_binop_builtin,
12138 bfin_expand_unop_builtin): New functions.
12139 (bfin_expand_builtin): Handle the new builtins.
12140 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12143 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12146 * Makefile.in (OBJS-common): Add see.o.
12147 (see.o): Add dependencies.
12148 * common.opt (fsee): New flag for the see optimization was added.
12149 * opts.c (flag_see): Initialized.
12150 * passes.c (init_optimization_passes, pass_see): New pass.
12151 * rtl.h (see_main): Declaration as extern.
12152 * timevar.def (TV_SEE): New.
12153 * tree-pass.h (pass_see): Declaration as extern.
12154 * invoke.texi (-fsee): Document.
12155 * recog.c (validate_simplify_insn): New function.
12156 * recog.h (validate_simplify_insn): Declaration as extern.
12157 * df-problems.c (df_chain_dump): Check for NULL.
12159 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12160 Daniel Berlin <dberlin@dberlin.org>
12162 * cfgrtl.c (insert_insn_bb_end_new): New function.
12163 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12165 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12167 * df.h (struct web_entry): Moved from web.c.
12168 (union_defs): Declaration as extern.
12169 (unionfind_root): Likewise.
12170 (unionfind_union): Likewise.
12171 * web.c (struct web_entry): Moved to df.h.
12172 (unionfind_root): Remove static declaration.
12173 (unionfind_union): Likewise.
12174 (union_defs): Likewise and generalize to use callback function.
12175 (web_main): Update arguments for union_defs function call.
12177 2006-05-04 Richard Guenther <rguenther@suse.de>
12179 PR tree-optimization/26447
12180 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12181 produce SSA_NAME copies before the store stmt to avoid
12182 breaking exception handling.
12184 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12186 PR middle-end/27388
12187 * gimplify.c (omp_is_private): If var is shared in some outer context,
12188 return false instead of true. Stop searching on parallel context
12191 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12194 * coverage.c: Use get_gcov_unsigned_t() instead of
12195 unsigned_type_node all over.
12197 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12199 PR tree-optimization/27381
12200 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12201 maintain the same immediate_use links.
12202 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12203 node rather than segfaulting.
12205 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12208 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12209 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12210 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12212 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12214 Fix PR tree-optimization/26626
12215 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12217 * tree-ssa-operands.c (access_can_touch_variable): Allow
12218 typecasting through union pointers.
12220 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12223 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12224 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12225 to find if var will be a global variable even in the nested context.
12226 (omp_copy_decl): Only check for global variable at the end, it might
12227 be overridden in outer contexts.
12228 (scan_sharing_clauses): For global variables don't create a field.
12229 (lower_rec_input_clauses): Do nothing for global shared variables.
12230 Emit a barrier at the end of ILIST if there were any decls in both
12231 firstprivate and lastprivate clauses.
12232 (lower_send_clauses): Do nothing for global variables except for
12235 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12237 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12238 of the correct signedness is returned.
12240 2006-05-02 Jeff Law <law@redhat.com>
12242 PR tree-optimization/27364
12243 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12244 multiply expressions.
12246 2006-05-02 Tom Tromey <tromey@redhat.com>
12248 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12250 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12253 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12254 -mthumb -fPIC are used.
12256 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12257 Joshua Kinard <kumba@gentoo.org>
12260 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12261 with 64-bit pointers.
12263 2006-05-02 Paul Brook <paul@codesourcery.com>
12265 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12267 (create_fix_barrier): Check that a suitable barrier location is
12269 (arm_reorg): Include ftmp->address in allowable range of addresses.
12271 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12274 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12277 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12279 PR middle-end/27337
12280 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12281 around RESULT_DECL for result passed by reference.
12282 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12283 * omp-low.c (use_pointer_for_field): Don't look at
12284 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12285 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12286 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12287 time or var for passing by reference for
12288 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12289 TREE_ADDRESSABLE variables when passing by reference.
12291 * omp-low.c (dump_omp_region): Fix output formatting.
12293 PR middle-end/27328
12294 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12295 (expand_omp_parallel): Likewise.
12296 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12298 PR middle-end/27325
12299 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12300 on statement list containing also constructors and destructors.
12301 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12303 PR middle-end/27310
12304 * except.c (duplicate_eh_regions): Fix clearing of
12305 cfun->eh->region_array entries.
12307 2006-05-01 DJ Delorie <dj@redhat.com>
12309 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12311 (gcc_cv_objdump): Likewise.
12312 * configure: Regenerated.
12314 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12317 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12318 templates for case 3 and 4.
12320 2006-05-01 DJ Delorie <dj@redhat.com>
12322 * vec.c: Include bconfig.h when appropriate.
12323 * Makefile.in (build/vec.o): Adjust dependencies.
12324 * mkconfig.sh: Make sure config.h isn't used for build machine
12327 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12329 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12331 (mark_phi_for_rewrite): New function.
12332 (insert_phi_nodes_for, mark_use_interesting): Call
12333 mark_phi_for_rewrite.
12334 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12335 (update_ssa): Initialize and free phis_to_rewrite.
12337 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12339 PR rtl-optimization/27291
12340 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12341 folded to a constant.
12343 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12345 PR tree-optimization/27283
12346 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12347 not whole # of iteration descriptions.
12348 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12349 uses abnormal ssa name.
12350 (niter_for_single_dom_exit): Ditto.
12351 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12352 return just the number of iterations.
12354 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12356 PR tree-optimization/27144
12357 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12358 (record_estimate): Only record constant upper bound.
12359 (infer_loop_bounds_from_undefined): Call
12360 compute_estimated_nb_iterations just once.
12361 (proved_non_wrapping_p): Renamed to ...
12362 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12363 (convert_step_widening, scev_probably_wraps_p): Call
12364 n_of_executions_at_most instead of proved_non_wrapping_p.
12365 (substitute_in_loop_info): Do not replace values in bounds.
12366 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12369 2006-05-01 Richard Henderson <rth@redhat.com>
12372 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12373 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12376 2006-05-01 Roger Sayle <roger@eyesopen.com>
12378 * c-typeck.c (parser_build_binary_op): Don't call the function
12379 unsigned_conversion_warning to spot operand/result type overflow.
12380 (build_binary_op): Instead, call convert_and_check instead of
12381 convert to report the problem when the operands are promoted.
12382 * c-common.c (unsigned_conversion_warning): Make static.
12383 * c-common.h (unsigned_conversion_warning): Delete prototype.
12385 2006-05-01 Richard Guenther <rguenther@suse.de>
12387 PR tree-optimization/26726
12388 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12390 (find_interesting_uses_address): ... we work around here
12391 by folding INDIRECT_REFs in the substituted base.
12393 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12395 * omp-low.c (dump_omp_region): Add newlines.
12397 2006-04-30 Roger Sayle <roger@eyesopen.com>
12399 * common.opt (Woverflow): New command line option.
12400 * c-common.c (constant_expression_warning): Check warn_overflow.
12401 (overflow_waring): Pass OPT_Woverflow to warning.
12402 (unsigned_conversion_warning): Likewise.
12403 (convert_and_check): Likewise.
12404 * doc/invoke.texi: Document new command line option.
12406 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12408 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12409 TARGET_NO_FP_IN_TOC for section anchors.
12410 (optimization_options): Enable section anchors for all
12411 non-"Objective" languages.
12413 2006-04-28 Eric Christopher <echristo@apple.com>
12415 * config/darwin-c.c (darwin_ms_struct): Move this
12416 (darwin_set_default_type_attributes): and this...
12417 * config/darwin.c: ... here.
12418 * config/darwin.h (darwin_ms_struct): Declare.
12420 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12422 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12424 2006-04-28 Roger Sayle <roger@eyesopen.com>
12427 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12428 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12429 an unsigned HOST_WIDE_INT.
12430 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12432 (really_start_incremental_init): No need to call convert because
12433 bitsize_zero_node is already of type bitsizetype.
12434 (push_init_level): Extract the value of constructor_index as an
12435 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12436 (process_init_element): Likewise.
12438 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12440 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12441 value before passing to make_relative_prefix.
12443 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12445 PR middle-end/27260
12446 * builtins.c (expand_builtin_memset): Expand val in original mode.
12448 2006-04-27 Eric Christopher <echristo@apple.com>
12450 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
12451 with #ifndef/#endif.
12452 * config/darwin-c.c (darwin_ms_struct): New.
12453 (darwin_pragma_ms_struct): Ditto.
12454 (darwin_set_default_type_attributes): Ditto.
12455 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
12456 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
12457 Register ms_struct pragma.
12458 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12459 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
12460 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
12461 darwin_set_default_type_attributes if TARGET_MACHO.
12463 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
12465 PR tree-optimization/26854
12466 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
12467 * doc/tree-ssa.texi: Update immuse iterator documentation.
12468 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
12469 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
12470 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
12471 first_safe_imm_use, next_safe_imm_use): Remove.
12472 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
12473 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
12474 (move_use_after_head): New. Helper function to sort immuses in a stmt.
12475 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
12476 (first_imm_use_stmt): New. Get first stmt in an immuse list.
12477 (next_imm_use_stmt): New. Get next stmt in an immuse list.
12478 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
12479 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
12480 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
12481 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
12482 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
12483 (perfect_nestify): Use new iterator.
12484 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12486 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12487 (next_imm_name): New field in struct immediate_use_iterator_d.
12488 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12489 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12490 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12491 * tree-cfg.c (replace_uses_by): Use new iterator.
12492 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12493 * tree-ssa-operands.c (correct_use_link): Remove.
12494 (finalize_ssa_use_ops): No longer call correct_use_link.
12496 2006-04-27 Stuart Hastings <stuart@apple.com>
12498 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12499 * config/t-darwin (crt3.o): Use it.
12500 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12501 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12502 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12503 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12504 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12507 2006-04-27 Roger Sayle <roger@eyesopen.com>
12509 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12510 size, force the intermediate into a new pseudo rather instead of
12511 performing both a bitwise AND and a bitwise IOR in memory.
12513 2006-04-27 Richard Guenther <rguenther@suse.de>
12515 PR rtl-optimization/26685
12516 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12517 this one "max-flow-memory-locations".
12519 2006-04-27 Richard Guenther <rguenther@suse.de>
12521 PR tree-optimization/25148
12522 * tree-vrp.c (compare_values): Remove code dealing with
12523 comparisons against type min/max value. Honour overflow
12524 and negative constants in code dealing with comparisons
12525 of plus and minus expressions.
12526 (value_inside_range): Use fold_binary with LE_EXPR and
12527 GE_EXPR rather than compare_values.
12529 2006-04-27 Dirk Mueller <dmueller@suse.de>
12531 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12534 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12536 * basic-block.h (safe_insert_insn_on_edge): Removed.
12537 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12539 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12540 Paolo Bonzini <bonzini@gnu.org>
12542 PR middle-end/27282
12543 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12544 (simplify_and_const_int): Same.
12546 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12548 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12550 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12553 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12554 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12555 cgraph_global_info_ready.
12557 PR middle-end/26913
12558 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12561 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12562 either decl or init is error_mark_node.
12564 PR middle-end/25989
12565 * tree-flow.h (struct omp_region): Add sched_kind.
12566 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12567 instead of extracting omp for data.
12568 (expand_omp_for): Save extracted sched_kind.
12570 2006-04-25 Roger Sayle <roger@eyesopen.com>
12572 * expmed.c (store_bit_field): Also check whether the bitsize is
12573 valid for the machine's "insv" instruction before moving the
12574 target into a pseudo for use with the insv.
12575 * config/i386/predicates.md (const8_operand): New predicate.
12576 * config/i386/i386.md (extv, extzv, insv): Use the new
12577 const8_operand predicate where appropriate.
12579 2006-04-25 DJ Delorie <dj@redhat.com>
12581 * doc/install.texi (Specific): Clarify that this is not a list of
12582 supported hosts or targets.
12584 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12586 PR rtl-optimization/26725
12587 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12588 block's BB_DIRTY flag.
12590 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12592 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12595 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12596 to print an integer.
12598 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12600 * varasm.c (align_variable): New function.
12601 (get_block_for_decl): Apply align_variable to DECL before
12602 calculating section information.
12603 (assemble_variable): Split out alignment computation.
12605 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12607 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12610 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12612 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12613 MODE_PARTIAL_INT mode.
12614 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12615 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12617 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12618 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12620 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12622 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12624 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12625 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12626 MACFLAG_IH): Likewise.
12627 (movstricthi_1): Renamed from "*movstricthi".
12628 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12629 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12630 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12631 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
12632 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
12633 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
12634 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
12635 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
12636 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
12637 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
12638 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
12639 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
12640 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
12641 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
12642 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
12644 * doc/rtl.texi (ss_ashift): Improve wording.
12646 2006-04-24 Geoffrey Keating <geoffk@apple.com>
12648 * dwarf2out.c (verify_marks_clear): New.
12649 (prune_unused_types): Call verify_marks_clear initially, not
12652 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
12654 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
12655 * doc/rtl.texi: Document them.
12656 * simplify-rtx.c (simplify_unary_operation,
12657 simplify_binary_operation_1): Don't abort when we see them.
12659 2006-04-24 Mark Mitchell <mark@codesourcery.com>
12662 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12663 * configure.ac: Completely disregard languages that are not
12665 * configure: Regenerated.
12667 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12668 Richard Guenther <rguenther@suse.de>
12670 PR tree-optimization/27236
12671 * tree-inline.c (copy_body_r): Make sure to copy
12672 TREE_THIS_VOLATILE flag.
12674 2006-04-24 Richard Guenther <rguenther@suse.de>
12676 PR middle-end/26869
12677 * tree-complex.c (update_parameter_components): Don't handle
12678 unused parameters which have no default def.
12680 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12681 Richard Guenther <rguenther@suse.de>
12683 PR tree-optimization/27218
12684 * tree-inline.c (expand_call_inline): Strip useless type
12685 conversions for the return slot address.
12687 2006-04-24 Richard Guenther <rguenther@suse.de>
12689 * cfgloop.h (struct loops): Remove unused field array. Reorder
12691 (LOOP_PREFETCH): Remove.
12693 2006-04-24 Richard Guenther <rguenther@suse.de>
12695 PR tree-optimization/22525
12696 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12697 variable, adjust types of generated expressions.
12699 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12701 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12702 (tree-vect-patterns.o): Likewise.
12703 (jump.o): Likewise.
12704 (cselib.o): Likewise.
12705 (loop-doloop.o): Likewise.
12706 (regclass.o): Likewise.
12707 (reload1.o): Likewise.
12708 (explow.o): Replace target.h with $(TARGET_H).
12709 (ipa-prop.o): Likewise.
12710 (ipa-cp.o): Likewise.
12711 (ipa-inline.o): Likewise.
12712 (reorg.o): Likewise.
12713 (reg-stack.o): Likewise.
12715 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12717 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
12719 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12721 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
12723 * configure.ac: Completely disregard languages that are not
12725 * configure: Regenerated.
12728 * c-common.h (c_build_bitfield_integer_type): Declare.
12729 * c-decl.c (c_build_bitfield_integer_type): Move to ...
12730 * c-common.c (c_build_bitfield_integer_type): ... here.
12732 2006-04-23 Roger Sayle <roger@eyesopen.com>
12735 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
12736 a SImode SUBREG of a floating point register after no_new_pseudos.
12738 2006-04-23 Roger Sayle <roger@eyesopen.com>
12740 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
12741 identify potentially eliminable registers to additionally catch
12742 VIRTUAL_INCOMING_ARGS_REGNUM.
12743 (addsi3): Update the conditions on when to use addsi_small_int.
12745 2006-04-23 Roger Sayle <roger@eyesopen.com>
12748 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
12749 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
12750 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
12752 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12754 * fold-const.c (range_predecessor): Use operand_equal_p
12755 as the predicate for equality.
12756 (range_successor): Likewise.
12758 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12761 * config/soft-fp/op-common.h: Fix a typo.
12763 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
12765 PR libmudflap/26864
12766 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
12767 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
12769 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12771 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
12773 * doc/tm.texi: Fix a typo.
12775 2006-04-21 Geoffrey Keating <geoffk@apple.com>
12777 * dwarf2out.c (struct die_struct): Document that die_sib makes
12778 a circular linked list.
12779 (FOR_EACH_CHILD): New.
12780 (reverse_die_lists): Delete.
12781 (reverse_all_dies): Delete.
12782 (add_dwarf_attr): Correct documentation.
12783 (remove_child_with_prev): New.
12784 (remove_child_TAG): Update for change to die_struct, use
12785 remove_child_with_prev.
12786 (add_child_die): Update for change to die_struct.
12787 (splice_child_die): Use remove_child_with_prev and add_child_die.
12788 (print_die): Use FOR_EACH_CHILD.
12789 (die_checksum): Likewise.
12790 (assign_symbol_names): Likewise.
12791 (output_location_lists): Likewise.
12792 (build_abbrev_table): Likewise.
12793 (calc_die_sizes): Likewise.
12794 (mark_dies): Likewise.
12795 (unmark_dies): Likewise.
12796 (unmark_all_dies): Likewise.
12797 (output_die): Likewise.
12798 (prune_unused_types_mark): Likewise.
12799 (prune_unused_types_walk): Likewise.
12800 (same_die_p): Update for change to die_struct.
12801 (break_out_includes): Likewise.
12802 (prune_unused_types_prune): Likewise.
12803 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
12804 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
12805 it's already clear.
12806 (dwarf2out_finish): Don't call reverse_all_dies.
12808 2006-04-21 Eric Christopher <echristo@apple.com>
12810 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
12811 in comments and function names.
12813 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12816 * c-typeck.c (digest_init): Robustify.
12818 * c-typeck.c (pop_init_level): Simplify.
12820 2006-04-21 Steve Ellcey <sje@cup.hp.com>
12822 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
12824 2006-04-21 Paul Brook <paul@codesourcery.com>
12826 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
12827 hardware floating point.
12829 2006-04-21 David Edelsohn <edelsohn@gnu.org>
12831 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
12834 2006-04-21 Nick Clifton <nickc@redhat.com>
12836 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
12839 2006-04-21 Alan Modra <amodra@bigpond.net.au>
12842 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
12843 C++ lang type in traceback table for Objective-C++.
12845 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
12847 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
12849 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
12851 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12854 * tree-mudflap.c (mudflap_finish_file): Skip function when there
12855 were errors. Remove check for erroneous objects.
12857 2006-04-20 Jeff Law <law@redhat.com>
12859 PR tree-optimization/26854
12860 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
12861 checking for zero or one use.
12862 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
12863 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
12864 * tree-ssa-reassoc.c (negate_value): Similarly.
12865 (reassociate_bb): Similarly.
12867 2006-04-20 Jakub Jelinek <jakub@redhat.com>
12870 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
12871 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
12872 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
12874 2006-04-20 Alan Modra <amodra@bigpond.net.au>
12876 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
12877 fp regs if the last fp arg doesn't fit in regs.
12879 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
12882 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
12883 that the last insn has the REG_INC note.
12885 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
12886 Nathan Sidwell <nathan@codesourcery.com>
12889 * stor-layout.c (update_alignment_for_field): Do not align
12891 (place_union_field): Place union field at the start of the union.
12892 (place_field): Move ERROR_MARK check later, and use the current
12893 allocation position to maintain monotonicity.
12895 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
12897 * dominance.c: Include timevar.h.
12898 (calculate_dominance_info): Use TV_DOMINANCE.
12899 * timevar.def (TV_DOMINANCE): New timevar.
12900 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
12902 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12904 PR rtl-optimization/14261
12905 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
12906 move would be an INSV insn.
12907 (noce_process_if_block): Don't optimize if the destination is a
12908 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
12910 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12912 * config/s390/s390.md: Add comments with the instructions emitted
12913 by an insn pattern if macros are used.
12915 2006-04-19 Alan Modra <amodra@bigpond.net.au>
12917 PR rtl-optimization/26026
12918 * fold-const.c (fold_binary): Optimize div and mod where the divisor
12919 is a known power of two shifted left a variable amount.
12921 2006-04-18 Geoffrey Keating <geoffk@apple.com>
12923 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
12924 to hash table twice when the debug_str section has SECTION_MERGE.
12926 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
12928 * config/soft-fp: New directory. From glibc.
12929 * config/soft-fp/t-softfp: New.
12930 * config/soft-fp/README: New.
12931 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
12932 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
12933 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
12934 (LIBGCC_DEPS): Add $(SFP_MACHINE).
12935 * config.gcc: Use rs6000/t-fprules-fpbit or
12936 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
12938 * config/rs6000/sfp-machine.h: New. Based on glibc.
12939 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
12941 * config/rs6000/t-fprules: Remove fp-bit rules.
12942 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
12943 * config/rs6000/t-linux64: Likewise. Remove duplicates from
12944 LIB2FUNCS_EXTRA. Remove fp-bit rules.
12945 (softfp_wrap_start, softfp_wrap_end): New.
12947 2006-04-18 DJ Delorie <dj@redhat.com>
12949 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
12951 2006-04-18 Devang Patel <dpatel@apple.com>
12953 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
12955 2006-04-18 Nick Clifton <nickc@redhat.com>
12957 * config/sh/t-symbian: Add rule to build sh-c.o
12958 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
12959 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
12960 (sh_symbian_encode_section_info): Likewise.
12962 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
12964 * builtins.c (expand_builtin_strcmp): Cover label definition of
12965 do_libcall with HAVE_cmpstrnsi.
12967 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
12969 * function.c (temp_slots_at_level, max_slot_level): Use VEC
12971 * function.h (temp_slot_p): New.
12972 (function): Change the type of x_used_temp_slots to
12973 VEC(temp_slot_p,gc) *.
12975 2006-04-18 Nick Clifton <nickc@redhat.com>
12977 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
12978 flag_strength_reduce.
12980 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
12982 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12986 Partial revert of revision 112637
12987 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12988 Dale Johannesen <dalej@apple.com>
12991 * regclass.c (struct reg_pref): Update documentation.
12992 (regclass): Set prefclass to NO_REGS if memory is the best option.
12993 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12995 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12997 PR tree-optimization/26821
12998 * tree-ssa-math-opts.c (get_constant_one): New.
12999 (insert_reciprocals): Use it.
13001 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13003 * dwarf2out.c (free_AT): Delete.
13004 (remove_AT): Update string ref counts.
13005 (remove_child_TAG): Don't call free_die.
13006 (free_die): Delete.
13007 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13008 or DW_TAG_GNU_EINCL.
13009 (prune_unused_types_walk_attribs): Reset string refcounts.
13010 (prune_unused_types_update_strings): New.
13011 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13012 call free_die. Do call prune_unused_types_update_strings.
13013 (prune_unused_types): Empty debug_str_hash.
13015 2006-04-17 Roger Sayle <roger@eyesopen.com>
13017 * expr.c (expand_assignment): Optimize away no-op moves where the
13018 source and destination are equal and have no side-effects.
13020 2006-04-17 Richard Guenther <rguenther@suse.de>
13023 * reload.c (push_reload): Guard calls to get_secondary_mem
13024 for memory subregs.
13026 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13028 * alias.c (reg_base_value, old_reg_base_value): Change the
13029 type to VEC(rtx,gc) *.
13030 (REG_BASE_VALUE, find_base_value, record_set,
13031 init_alias_analysis): Use VEC instead of VARRAY.
13033 * alias.c (alias_sets): Change the type to
13034 VEC(alias_set_entry,gc) *.
13035 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13036 VEC instead of VARRAY.
13037 (last_alias_set): Remove.
13039 * cgraph.h (cgraph_edge_p): New.
13040 Update the prototype of cgraph_function_versioning.
13041 * cgraphunit.c (cgraph_copy_node_for_versioning,
13042 cgraph_function_versioning): Use VEC instead of VARRAY.
13043 * ipa-cp.c (ipcp_insert_stage): Likewise.
13045 2006-04-16 Roger Sayle <roger@eyesopen.com>
13048 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13049 "A op B" or "A op C", we may need to convert A to the type of B and C.
13051 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13053 * target.h (struct gcc_target): Add mode_rep_extended.
13054 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13055 (init_num_sign_bit_copies_in_rep): Initialize it using
13057 (truncate_to_mode): Use it.
13058 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13059 * targhooks.h (default_mode_rep_extended): Declare it.
13060 * targhooks.c (default_mode_rep_extended): Define it.
13061 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13062 default_mode_rep_extended.
13063 (TARGET_INITIALIZER): Include it.
13064 * doc/tm.texi (Misc): Document it.
13065 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13066 (mips_truncated_to_mode): New function.
13068 2006-04-16 Roger Sayle <roger@eyesopen.com>
13070 PR middle-end/25474
13071 * expr.c (compress_float_constant): Copy the narrow constant into
13072 a new pseudo before extending it to its final width.
13074 2006-04-16 Roger Sayle <roger@eyesopen.com>
13075 Andrew Pinski <pinskia@gcc.gnu.org>
13076 Dale Johannesen <dalej@apple.com>
13079 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13080 special case code to implement V8HImode and V16QImode with SSE2.
13082 2006-04-15 Roger Sayle <roger@eyesopen.com>
13084 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13085 trees are constructed with a suitable tree type.
13087 2006-04-15 Roger Sayle <roger@eyesopen.com>
13089 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13090 (integer_onep): Likewise.
13091 (integer_all_onesp): Likewise.
13092 (integer_pow2p): Likewise.
13093 (integer_nonzerop): Likewise.
13094 (real_zerop): Likewise.
13095 (real_onep): Likewise.
13096 (real_twop): Likewise.
13097 (real_minus_onep): Likewise.
13098 (int_size_in_bytes): Likewise.
13099 (host_integerp): Likewise.
13101 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13103 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13104 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13105 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13107 * tree-ssa-structalias.h (alias_info): Remove num_references.
13109 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13111 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13112 (output_bvb patterns): Likewise.
13113 * pa.c (output_bb): Use 'bb' insn for long branch case.
13114 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13115 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13116 1. Correct length operand for alternatives 1 and 2.
13117 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13118 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13120 2006-04-14 Roger Sayle <roger@eyesopen.com>
13122 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13123 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13124 were accidentally reverted by r112959.
13126 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13128 PR middle-end/26823
13129 * except.h (eh_region_outermost): New prototype.
13130 * except.c (eh_region_outermost): New function.
13131 * tree-cfg.c (find_outermost_region_in_block): Use it.
13133 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13135 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13137 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13138 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13139 (init_reload, reload): Use VEC instead of VARRAY.
13140 * reload.h: Update the prototype for
13141 reg_equiv_memory_loc_varray.
13143 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13144 Eric Botcazou <ebotcazou@libertysurf.fr>
13146 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13147 register save area.
13149 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13151 PR middle-end/27134
13152 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13153 to expand fallback builtin function call.
13155 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13157 PR middle-end/27095
13158 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13159 and emit libcall here in case the builtin fails.
13160 (expand_builtin_strcmp): Always emit the libcall here on failure.
13162 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13164 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13165 * flow.c (reg_n_info): Change the type to
13166 VEC(reg_info_p,heap) *.
13167 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13169 * regs.h (reg_info_p): New.
13170 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13171 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13172 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13175 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13177 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13179 * params.h (MAX_SCHED_READY_INSNS): New macro.
13180 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13181 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13182 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13183 the ready list for 1 cycle during the first scheduling pass.
13184 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13186 2006-04-13 Richard Henderson <rth@redhat.com>
13189 * gimple-low.c (lower_omp_directive): Remove dead code.
13190 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13191 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13192 * omp-low.c (struct omp_region): Move to tree-flow.h.
13193 (root_omp_region): Export.
13194 (omp_regions, lookup_omp_region): Remove.
13195 (determine_parallel_type): Update for struct omp_region changes.
13196 (dump_omp_region): Dump regions with block numbers.
13197 (new_omp_region): Take type and block instead of stmt; malloc
13199 (free_omp_region_1, free_omp_regions): New.
13200 (expand_parallel_call): Take entry_stmt as argument; update for
13201 changes to omp_region.
13202 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13203 (remove_exit_barriers): New.
13204 (expand_omp_parallel): Update for struct omp_region changes.
13205 (expand_omp_synch): Likewise.
13206 (expand_omp): Likewise.
13207 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13208 (expand_omp_for_static_chunk): Likewise.
13209 (expand_omp_for): Likewise.
13210 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13211 (expand_omp_sections): Similarly, with GOMP_sections_end.
13212 (expand_omp_single): New.
13213 (build_omp_regions_1): Update for OMP_CONTINUE.
13214 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13215 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13216 OMP_SECTIONS_SECTIONS.
13217 (lower_omp_single_simple): Don't emit barrier here.
13218 (lower_omp_single_copy): Likewise.
13219 (lower_omp_single): Fix bindings, and lower to straightline now.
13220 (lower_omp_master, lower_omp_ordered): Likewise.
13221 (lower_omp_critical): Likewise.
13222 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13223 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13224 omp edges, free it afterward.
13225 (make_omp_sections_edges): Remove.
13226 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13227 (move_stmt_r): Handle OMP_CONTINUE.
13228 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13229 statement pointers to basic blocks. Add type member.
13230 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13231 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13232 * tree-inline.c (estimate_num_insns_1): Likewise.
13233 * tree-pretty-print.c (dump_generic_node): Likewise.
13234 * tree-ssa-operands.c (get_expr_operands): Likewise.
13235 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13236 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13237 (OMP_CONTINUE): New.
13238 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13239 (OMP_SECTIONS_SECTIONS): Remove.
13240 (OMP_SECTION_LAST): New.
13241 (OMP_RETURN_NOWAIT): New.
13243 2006-04-13 Roger Sayle <roger@eyesopen.com>
13245 * fold-const.c (native_encode_vector, native_interpret_real):
13246 Correct obvious mistakes in the previous check-in.
13248 2006-04-13 Roger Sayle <roger@eyesopen.com>
13250 * fold-const.c (native_encode_expr): New function to encode
13251 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13252 or VECTOR_CST into a specified buffer.
13253 (native_encode_int): New function.
13254 (native_encode_real): New function.
13255 (native_encode_complex): New function.
13256 (native_encode_vector): New function.
13257 (native_interpret_expr): Inverse of native_encode_expr to convert
13258 a target representation into an INTEGER_CST, REAL_CST etc...
13259 (native_interpret_int): New function.
13260 (native_interpret_real): New function.
13261 (native_interpret_complex): New function.
13262 (native_interpret_vector): New function.
13263 (fold_view_convert_expr): New function to constant fold/evaluate
13264 a VIEW_CONVERT_EXPR of a suitable constant expression.
13265 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13266 Change call of build1 to fold_build1 when constructing a
13269 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13270 Ulrich Weigand <uweigand@de.ibm.com>
13273 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13276 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13279 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13280 optimize to lo_sum for DFmode if !TARGET_FPRS.
13282 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13284 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13285 delete_alias_info, compute_flow_sensitive_aliasing,
13286 group_aliases): Use VEC instead of VARRAY.
13287 * tree-ssa-structalias.c (update_alias_info): Likewise.
13288 * tree-ssa-structalias.h (alias_info): Change the type of
13289 processed_ptrs to VEC(tree,heap) *.
13291 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13294 * config/sh/lib1funcs.h: New file, broken out of:
13295 * config/sh/lib1funcs.asm.
13296 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13298 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13299 * config/sh/lib1funcs-Os-4-200.asm: New file.
13300 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13301 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13302 (EXTRA_MULTILIB_PARTS): Include it.
13303 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13304 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13305 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13306 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13309 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13311 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13312 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13313 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13315 * tree-ssa-live.h: Include vecprim.h.
13316 (tree_partition_associator_d): Change the type of
13317 first_partition to VEC(int,heap) *.
13318 (tpa_first_partition): Use VEC instead of VARRAY.
13320 * Makefile.in (GTFILES): Move functions.h after tree.h.
13321 * function.c (reset_block_changes, record_block_change,
13322 check_block_change, free_block_changes): Use VEC instead of
13324 * function.h (function): Change the type of
13325 ib_boundaries_block to VEC(tree,gc) *.
13326 * tree-inline.c (copy_cfg_body): Initialize
13327 ib_boundaries_block to NULL instead of (varray_type) 0.
13329 2006-04-12 Roger Sayle <roger@eyesopen.com>
13331 * expr.c (emit_group_store): Correct operand order in call to
13332 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13333 a SUBREG_BYTE of zero.
13335 2006-04-12 Richard Guenther <rguenther@suse.de>
13337 * profile.c (compute_branch_probabilities): Remove code
13338 encapsulated in !ir_type (), which are remanents of the
13339 removed RTL profiling code.
13340 * rtl-profile.c: Remove.
13342 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13344 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13345 magic NULL_RTX comment.
13346 (function_arg): Store entire fp arg to mem if any part should go
13348 (rs6000_arg_partial_bytes): Adjust for above change.
13350 2006-04-11 Roger Sayle <roger@eyesopen.com>
13352 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13353 if it hasn't been initialized by dwarf2out_init.
13355 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13357 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13358 symbolic constants in branch patterns.
13360 2006-04-11 Roger Sayle <roger@eyesopen.com>
13362 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13364 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13366 PR rtl-optimization/27073
13367 * gcse.c (try_replace_reg): Revert last change. Continue to search
13368 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13371 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13373 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13374 aggregate types other than record and union types.
13375 (function_arg): Likewise.
13376 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13378 (function_value): In 64-bit mode, return objects that require it
13381 2006-04-11 Roger Sayle <roger@eyesopen.com>
13383 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13385 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13387 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13389 2006-04-03 Jeff Law <law@redhat.com>
13392 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13393 alias information too.
13395 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13397 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13399 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13402 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13403 (premark_used_types_helper): New.
13404 (premark_used_types): New.
13405 (gen_subprogram_die): Call premark_used_types.
13406 (prune_unused_types_walk): Do not prune perennial dies.
13407 * function.c (used_types_insert): New.
13408 * function.h (struct function): Add used_types_hash field.
13409 (used_types_insert): Add prototype.
13410 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13411 * c-parser.c (c_parser_cast_expression): Save casted types in used
13414 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13417 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13418 rs6000_explicit_options.float_gprs.
13420 2006-04-10 Roger Sayle <roger@eyesopen.com>
13422 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13423 from ix86_expand_vector_init_low_nonzero. Take an additional
13424 one_var argument indicating which element is non-zero. Support
13425 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13426 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13427 with one_var instead of ix86_expand_vector_init_low_nonzero.
13429 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13431 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13432 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13433 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13434 build/genextract.o): Depend on vecprim.h.
13435 * cfglayout.c, df-problems.c, function.c, genextract.c,
13436 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13437 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13441 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13443 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13444 Declare VECs of this type.
13445 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13446 (remove_children): Delete.
13447 (add_dwarf_attr): Use VEC routines.
13448 (add_AT_flag): Update for changes to add_dwarf_attr.
13449 (add_AT_int): Likewise.
13450 (add_AT_unsigned): Likewise.
13451 (add_AT_long_long): Likewise.
13452 (add_AT_vec): Likewise.
13453 (add_AT_string): Likewise.
13454 (add_AT_die_ref): Likewise.
13455 (add_AT_fde_ref): Likewise.
13456 (add_AT_loc): Likewise.
13457 (add_AT_loc_list): Likewise.
13458 (add_AT_addr): Likewise.
13459 (add_AT_lbl_id): Likewise.
13460 (add_AT_lineptr): Likewise.
13461 (add_AT_macptr): Likewise.
13462 (add_AT_offset): Likewise.
13463 (add_AT_range_list): Likewise.
13464 (get_AT): Use VEC_iterate.
13465 (remove_AT): Use VEC_ordered_remove.
13466 (free_die): Fold remove_children into here; have it use VEC_iterate.
13467 (print_die): Use VEC_iterate on attrs.
13468 (reverse_die_lists): Don't reverse attr lists.
13469 (die_checksum): Use VEC_iterate on attrs.
13470 (same_die_p): Likewise.
13471 (output_location_lists): Likewise.
13472 (build_abbrev_table): Likewise.
13473 (size_of_die): Likewise.
13474 (unmark_all_dies): Likewise.
13475 (output_abbrev_section): Likewise.
13476 (output_die): Likewise.
13477 (prune_unused_types_walk_attribs): Likewise.
13479 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13481 * doc/install.texi (*-*-solaris2*): Point to the configure page.
13483 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13486 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13488 2006-04-09 Roger Sayle <roger@eyesopen.com>
13490 * expr.c (store_constructor): Don't bother clearing target if
13491 we're about to assign a vector to it using vec_init_optab.
13493 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13495 * tree-ssa-alias.c (lhs_may_store_to): New function.
13496 (recalculate_used_alone): Handle LHS of calls.
13498 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13502 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13503 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13504 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13505 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13506 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13507 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13508 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13509 stubs. Add ".align 8" directives before all ".dword" directives.
13510 (GTHREAD_USE_WEAK): Revise comment.
13511 (TARGET_ATTRIBUTE_WEAK): Define.
13512 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13513 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13514 * stublib.c: New file.
13519 * pa.md (cbranch patterns): Revise arguments used in calls to
13520 output_cbranch, output_bb and output_bvd. Add long branch length
13522 (fbranch patterns): Handle long branches.
13523 (jump): Revise length check. Revise arguments for output_lbranch call.
13524 Add long branch length attributes.
13525 (decrement_and_branch_until_zero): Add long branch length attributes.
13526 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13527 Likewise. Revise arguments for output_parallel_addb and
13528 output_parallel_movb calls.
13529 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13530 output_parallel_movb and output_parallel_addb): Update prototypes.
13531 * pa.c (output_cbranch): Revise arguments. Correct handling of
13532 nullification in long branches.
13533 (output_lbranch): Add new argument to control extraction of delay
13535 (output_bb): Handle long branches.
13536 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13537 output_parallel_addb): Likewise.
13539 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13541 PR rtl-optimization/27073
13542 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13545 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13547 * tree.h (tree_memory_tag): Add old_used_alone.
13548 (SMT_OLD_USED_ALONE): New macro.
13549 * tree-ssa-alias.c (recalculate_used_alone): Stop
13550 marking things for renaming unnecessarily.
13552 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13554 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13555 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13556 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13557 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13558 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13559 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13560 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13561 spelling convensions.
13562 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13563 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13564 typos. Follow spelling conventions.
13566 2006-04-07 DJ Delorie <dj@redhat.com>
13568 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13569 passed on the stack.
13570 (m32c_init_cumulative_args): When a function returns a structure,
13571 always pass the pointer to that return area on the stack.
13572 (m32c_function_arg_advance): Don't increment the parameter number
13573 if we're processing the returned structure pointer.
13574 (pushm_info): Reverse order of registers.
13576 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13578 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13579 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13580 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13581 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13582 build_int_cst_type.
13583 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13584 chrec_fold_multiply): Same.
13585 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13586 force_expr_to_var_cost): Same.
13587 * tree-mudflap.c (mf_xform_derefs_1): Same.
13588 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13590 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13592 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13593 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13596 2006-04-07 Jan Hubicka <jh@suse.cz>
13598 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13600 2006-04-07 Richard Guenther <rguenther@suse.de>
13602 PR tree-optimization/26135
13603 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13604 loads for store copy-prop.
13605 (copy_prop_visit_stmt): Likewise.
13607 2006-04-05 Robert Millan <robertmh@gnu.org>
13609 * config/i386/linux.h: Add a comment to mark macros that are
13610 being overriden in config/k*bsd-gnu.h.
13611 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13613 * config/knetbsd-gnu.h: Ditto.
13615 2006-04-06 Jan Hubicka <jh@suse.cz>
13619 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13622 2006-04-06 Mike Stump <mrs@apple.com>
13624 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13625 for HAVE_nonlocal_goto to be consistent.
13626 (expand_builtin_nonlocal_goto): Likewise.
13627 (expand_builtin_strcmp): Use #ifdef instead of #if
13628 for HAVE_cmpstrnsi to be consistent.
13630 2006-04-05 DJ Delorie <dj@redhat.com>
13632 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
13635 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
13637 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
13638 got-relative addressing for anything but SImode.
13640 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
13641 even if the calling function doesn't modify them.
13643 2006-04-05 Richard Guenther <rguenther@suse.de>
13645 PR tree-optimization/26919
13646 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
13647 to cgraph_estimate_size_after_inlining.
13649 2006-04-05 Alan Modra <amodra@bigpond.net.au>
13651 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
13653 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
13655 PR tree-optimization/26996
13656 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
13657 VECTOR_TYPE variables.
13659 2006-04-05 Richard Guenther <rguenther@suse.de>
13661 PR tree-optimization/26763
13662 * fold-const.c (fold_comparison): Move folding of
13663 PTR + CST CMP PTR + CST ...
13664 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
13666 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13668 * doc/install.texi (Prerequisites): Refine some wording on
13669 bootstrapping and ksh.
13670 Move the version numbers of DejaGnu here from the testing section
13671 and fix casing of names.
13672 Fix markup and clarify wording for autogen requirements.
13673 Refer to GCJ instead of just java.
13674 Refer to SVN instead of CVS.
13675 Describe diffutils as useful instead of necessary.
13676 (Downloading the source): Refer to SVN instead of CVS.
13677 Adjust a link to our web site accordingly.
13678 (Configuration): Fix casing of Bison.
13679 (Building): Refer to SVN instead of CVS.
13680 Fix a sentence on the use of Bison and remove duplicate (and
13681 incorrect) version number of Bison requirement.
13682 Remove one redundant list of packages needed for building.
13683 (Specific): Avoid reference to CVS.
13685 2006-04-04 Eric Christopher <echristo@apple.com>
13687 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13688 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13689 (rs6000_handle_struct_attribute): New.
13690 (rs6000_ms_bitfield_layout_p): Ditto.
13692 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13694 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13695 NULL for dso parameter to atexit_common.
13697 2006-04-04 Eric Christopher <echristo@apple.com>
13699 * config/i386/i386.c (machopic_output_stub): Output \t
13700 between instructions and operands.
13702 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13704 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13705 satisfies_constraint_[IL] to explicit tests on value.
13707 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13709 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13710 set_nb_iterations_in_loop): Use build_int_cst instead of
13711 build_int_cst_type.
13712 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
13713 build_int_cst instead of convert.
13715 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
13717 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
13718 new value 2 for incoming.
13719 * function.c (expand_function_start): Call struct_value_rtx
13720 with incoming as 2.
13721 * config/sparc/sparc.md: Comment updated_return.
13722 * config/sparc/sparc.opt: Add -mstd-struct-return option.
13723 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
13724 struct return if sparc_std_struct_return and incoming is 2.
13725 (print_operand): Do not adjust return if
13726 sparc_std_struct_return.
13728 2006-04-04 Roger Sayle <roger@eyesopen.com>
13730 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
13731 convert in the middle-end.
13732 * expr.c (store_expr, store_constructor, get_inner_reference,
13733 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
13735 * tree.c (build_range_type): Likewise.
13737 2006-04-04 Tom Tromey <tromey@redhat.com>
13739 * doc/install.texi (Prerequisites): Mention jar.
13741 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
13743 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
13746 2006-04-04 Matthias Klose <doko@debian.org>
13748 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
13752 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
13755 2006-04-03 Geoffrey Keating <geoffk@apple.com>
13757 * doc/extend.texi (Function Attributes): Rewrite visibility
13758 attribute documentation.
13759 * doc/invoke.texi (C++ Dialect Options): Rewrite
13760 -fvisibility-inlines-hidden documentation to describe something
13761 entirely different, although in practise compatible.
13762 (Code Gen Options): Warn about system headers in -fvisibility=
13765 * doc/extend.texi (Other Builtins): Document that
13766 __builtin_nan is a compile-time constant only when its argument
13769 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
13771 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
13772 trying to remove TRUNCATE check if all bits outside the new mode
13773 are identical to the sign bit.
13775 2006-04-03 Jeff Law <law@redhat.com>
13777 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
13778 and operand scanning in some common cases.
13780 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13781 Dale Johannesen <dalej@apple.com>
13784 * regclass.c (struct reg_pref): Update documentation.
13785 (regclass): Set prefclass to NO_REGS if memory is the best option.
13786 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13787 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
13788 into account. For non-registers, equate an empty preferred
13789 reload class to a `!' in the constraint; move the if clause to
13790 do so after those that reject the insn.
13791 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
13793 (find_dummy_reload): Likewise.
13794 * doc/tm.texi (Register Classes): Document what it means
13795 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
13796 * config/i386/i386.c (ix86_preferred_reload_class): Force
13797 using SSE registers (and return NO_REGS for floating-point
13798 constants) if math is done with SSE.
13799 (ix86_preferred_output_reload_class): New.
13800 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
13801 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
13802 * config/i386/i386.md: Remove # register preferences.
13804 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13807 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13808 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
13809 the type of nb_iter.
13810 (instantiate_parameters_1): Convert the operands before calling
13811 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
13812 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
13814 2006-04-02 Roger Sayle <roger@eyesopen.com>
13816 * builtins.c (dummy_object): Use build_int_cst instead of convert.
13817 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
13818 instead of convert.
13819 * dojump.c (do_jump): Likewise.
13820 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
13821 * gimplify.c (gimple_boolify, gimplify_init_constructor,
13822 gimplify_boolean_expr): Likewise.
13823 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
13824 * varasm.c (array_size_for_constructor): Likewise.
13825 * tree-object-size.c (compute_object_offset): Likewise.
13827 2006-04-02 Roger Sayle <roger@eyesopen.com>
13829 PR middle-end/26977
13830 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
13831 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
13833 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13835 PR tree-optimization/26939
13836 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
13838 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13840 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
13841 at_stmt. Convert the type of operands before calling
13842 build_polynomial_chrec.
13843 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
13844 add_to_evolution_1.
13845 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
13846 (instantiate_parameters_1): Convert the type of operands before calling
13847 build_polynomial_chrec.
13848 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
13849 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
13850 reset_evolution_in_loop): Insert asserts to check the types of the
13852 (chrec_type): Moved...
13853 (eq_evolutions_p): Use operand_equal_p.
13854 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
13855 the types of the operands.
13856 (chrec_type): ...here.
13857 * tree-data-ref.c (create_data_ref): Convert the operands before
13858 calling chrec_replace_initial_condition.
13859 (same_access_functions, analyze_subscript_affine_affine,
13860 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
13861 (compute_subscript_distance, analyze_ziv_subscript,
13862 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
13863 analyze_miv_subscript): Convert the operands before calling
13864 chrec_fold_minus or chrec_fold_plus.
13866 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13868 * tree-data-ref.c (compute_all_dependences): Use a pointer to
13869 the dependence_relations vector.
13870 (compute_data_dependences_for_loop): Adjust call to
13871 compute_all_dependences.
13873 2006-04-01 Roger Sayle <roger@eyesopen.com>
13874 Richard Henderson <rth@redhat.com>
13876 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
13877 gimple_boolify on the condition before calling gimplify_expr.
13879 2006-03-31 Bob Wilson <bob.wilson@acm.org>
13881 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
13882 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
13883 the frame size. Update to use the new macros.
13884 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
13885 * config/xtensa/ieee754-df.S: Likewise.
13887 2006-03-31 Richard Henderson <rth@redhat.com>
13889 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
13890 (make_edges): ... here. Control fallthru creation with a local
13891 variable. Do not play with fake edges.
13892 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
13893 (make_goto_expr_edges): Don't play with fake edges. Make for_call
13896 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
13898 * dwarf2.h (DW64_CIE_ID): Define.
13899 * dwarf2out.c (DWARF_CIE_ID): Define.
13900 (output_call_frame_info): Output 0xffffffff before standard 8-byte
13901 length header. Use DWARF_CIE_ID.
13902 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
13903 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
13905 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
13907 * config/sh/linux-atomic.asm: New file.
13908 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
13910 2006-03-31 DJ Delorie <dj@redhat.com>
13912 * config/m32c/cond.md: Set condition flags properly throughout.
13913 * config/m32c/minmax.md: Likewise.
13914 * config/m32c/prologue.md: Likewise.
13915 * config/m32c/bitops.md: Likewise.
13916 * config/m32c/muldiv.md: Likewise.
13917 * config/m32c/mov.md: Likewise.
13918 * config/m32c/addsub.md: Likewise.
13919 * config/m32c/m32c.md: Likewise.
13920 * config/m32c/jump.md: Likewise.
13921 * config/m32c/shift.md: Likewise.
13923 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
13924 conditionally output the pattern for this.
13925 * config/m32c/m32c.c (flags_needed_for_conditional): New.
13926 (m32c_compare_redundant): New.
13927 (m32c_output_compare): New.
13928 * config/m32c/m32c-protos.h (m32c_output_compare): New.
13930 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
13931 dest, not src. Allow other 4-byte modes.
13933 2006-03-30 Denis Chertykov <denisc@overta.ru>
13935 * doc/md.texi: Refer to avr/constraints.md instead of
13938 2006-03-30 Roger Sayle <roger@eyesopen.com>
13940 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
13941 signed vs. unsigned comparison failures on some hosts.
13943 2006-03-31 Alan Modra <amodra@bigpond.net.au>
13946 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
13947 change to FLOAT_REGS.
13949 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13950 (rs6000_override_options): Use it.
13951 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
13952 only for -mabi=spe/no-spe and -mabi=altivec.
13954 2006-03-30 Geoffrey Keating <geoffk@apple.com>
13956 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
13959 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
13961 * Makefile.in: Rename docdir to gcc_docdir.
13963 2006-03-30 Roger Sayle <roger@eyesopen.com>
13966 * expr.c (emit_group_store): Optimize group stores into a pseudo
13967 register by using a paradoxical subreg to initialize the destination
13968 if the first or last member of the group specifies a "low part".
13970 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13973 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
13974 * target.h (struct gcc_target.speculate_insn): Change type of the
13975 second parameter to 'int'.
13976 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
13977 the second operand of the DEPS_LIST.
13978 (copy_DEPS_LIST_list): Update reference to the second operand of the
13980 * rtl.h (alloc_DEPS_LIST): Update signature.
13981 * sched-int.h (ds_t): Change typedef to 'int'.
13982 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13984 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13986 * haifa-sched.c (try_ready): Change condition to restore
13987 non-speculative pattern of the instruction.
13988 (process_insn_depend_be_in_spec): Code to keep probability of the
13989 speculative dependence non-decreasing.
13991 2006-03-30 Jie Zhang <jie.zhang@analog.com>
13993 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
13994 (single_move_for_movmem): ... this. Also change all uses.
13995 (bfin_expand_strmov): Renamed to...
13996 (bfin_expand_movmem): ... this. Also change all uses.
13997 * config/bfin/bfin.md (movstrsi): Renamed to...
13998 (movstrsi): ...this.
14000 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14002 PR tree-optimization/26830
14004 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14005 (copy_prop_visit_stmt): Remove write-only variable ann.
14006 (init_copy_prop): Check variable loop depth here. Do not simulate
14007 memory-tag and virtual operand PHIs except for store copy prop.
14009 2006-03-30 Richard Guenther <rguenther@suse.de>
14011 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14012 variants with double arguments.
14014 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14016 * genpreds.c (write_tm_constrs_h): Delete variable p.
14017 * genconditions.c (write_header): Add tm-constrs.h to included
14019 * genpeep.c (main): Add toplev.h to included headers.
14020 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14021 (build/genpeep.o): Add toplev.h dependency.
14022 * config/rs6000/constraints.md: Add "W" constraint.
14024 2006-03-29 Roger Sayle <roger@eyesopen.com>
14026 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14027 sizes by correctly testing whether the size fits a host integer.
14028 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14029 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14030 SImode range for the default sizetype and bitsizetype.
14032 2006-03-29 Roger Sayle <roger@eyesopen.com>
14034 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14035 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14036 quickly if the argument is already of the correct type.
14037 Call fold_build1 instead of build1. Tidy up blank lines.
14039 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14041 * genemit.c (main): Add tm-constrs.h to included headers.
14042 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14043 * genpeep.c (main): Add tm-constrs.h to included headers.
14044 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14045 (write_tm_constrs_h): this and write complete file.
14046 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14047 (write_insn_preds_c): Add tm-constrs.h to included headers.
14048 (gen_constrs): New variable.
14049 (parse_option): Parse "-c".
14050 (main): Invoke write_tm_constrs_h.
14051 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14052 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14053 (object_out_file): Add tm-constrs.h dependency.
14054 (insn-emit.o): Same.
14055 (insn-output.o): Same.
14056 (insn-peep.o): Same.
14057 (insn-preds.o): Same.
14058 (insn-recog.o): Same.
14059 (tm-constsr.h): New target.
14060 (s-constrs-h): New target.
14062 * config/rs6000/constraints.md: New file.
14063 * config/rs6000/rs6000.c: Include tm-constrs.h.
14064 (num_insn_constant_wide): Convert to satisfies_constraint.
14065 (rs6000_rtx_costs): Convert to satisfies_constraint.
14066 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14067 (CONST_OK_FOR_LETTER_P): Delete.
14068 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14069 (EXTRA_CONSTRAINT): Delete.
14070 (EXTRA_MEMORY_CONSTRAINT): Delete.
14071 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14072 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14073 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14074 satisfies_constraint.
14076 * config/i386/i386.c: Include tm-constrs.h.
14078 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14080 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14081 * tree-data-ref.c (find_data_references_in_loop,
14082 compute_data_dependences_for_loop): Use pointers to VEC.
14083 (analyze_all_data_dependences): Adjust calls.
14084 * tree-data-ref.h (find_data_references_in_loop,
14085 compute_data_dependences_for_loop): Adjust declarations.
14086 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14087 compute_data_dependences_for_loop.
14089 2006-03-29 Paul Brook <paul@codesourcery.com>
14091 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14092 (movdf_vfp): Ditto.
14094 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14096 PR tree-optimization/26859
14097 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14099 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14100 for the step after fold_convert.
14102 2006-03-29 Paul Brook <paul@codesourcery.com>
14104 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14105 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14107 2006-03-29 Paul Brook <paul@codesourcery.com>
14109 PR middle-end/23623
14110 * targhooks.c (default_narrow_bitfield): New fuction.
14111 * targhooks.h (default_narrow_bitfield): add prototype.
14112 * target.h (gcc_target): Add narrow_volatile_bitfield.
14113 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14114 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14115 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14116 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14118 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14120 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14122 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14123 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14124 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14125 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14126 (s390_function_arg_float): Allow SDmode and DDmode values to be
14127 passed in floating point registers.
14128 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14129 check with SCALAR_FLOAT_MODE_P.
14130 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14132 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14134 PR tree-optimization/25985
14135 * tree-ssa-loop-niter.c (number_of_iterations_le,
14136 number_of_iterations_ne): Make comments more precise.
14137 (number_of_iterations_cond): Add only_exit argument. Use the
14138 fact that signed variables do not overflow only when only_exit
14140 (loop_only_exit_p): New.
14141 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14142 number_of_iterations_cond.
14144 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14146 PR tree-optimization/26643
14147 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14150 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14152 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14153 (divsi3_i4_int): Likewise.
14155 2006-03-28 Roger Sayle <roger@eyesopen.com>
14157 * expr.c (emit_group_store): Only create a new pseudo reg if the
14158 quantity it needs to hold isn't already a suitable pseudo.
14160 2006-03-28 Jeff Law <law@redhat.com>
14162 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14163 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14165 2006-03-28 Roger Sayle <roger@eyesopen.com>
14167 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14168 the equivalent ~X & Y, and the symmetry related transformations.
14169 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14170 ~X & Y, and symmetry related transforms.
14172 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14174 Revert my 2006-03-27 patches.
14176 2006-03-28 Roger Sayle <roger@eyesopen.com>
14178 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14179 ~(T1)X, when T1 and T2 are integer types of the same precision
14180 and (T2)X isn't an extension.
14182 2006-03-28 Jeff Law <law@redhat.com>
14184 PR tree-optimization/26796
14185 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14186 need EH edge cleanups rather than purging them immediately.
14187 (eliminate_degenerate_phis): Handle queued EH cleanups.
14189 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14191 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14194 2006-03-27 Roger Sayle <roger@eyesopen.com>
14196 PR middle-end/22524
14197 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14198 cast BIT_NOT_EXPR operand to the correct type.
14200 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14202 * tree-loop-linear.c: Don't include varray.h.
14203 (gather_interchange_stats, try_interchange_loops,
14204 linear_transform_loops): Use VEC instead of VARRAY.
14205 * lambda-mat.c: Don't include varray.h.
14206 * tree-chrec.c: Same.
14207 * lambda-trans.c: Same.
14208 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14209 VEC instead of VARRAY.
14210 * tree-vectorizer.h: Idem.
14211 * tree-data-ref.c (dump_data_references,
14212 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14213 initialize_data_dependence_relation, finalize_ddr_dependent,
14214 compute_all_dependences, find_data_references_in_loop,
14215 compute_data_dependences_for_loop, analyze_all_data_dependences,
14216 free_dependence_relation, free_dependence_relations,
14217 free_data_refs): Idem.
14218 * tree-data-ref.h (data_reference_p, subscript_p): New.
14219 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14220 VEC instead of VARRAY.
14221 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14222 (find_data_references_in_loop, compute_data_dependences_for_loop,
14223 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14224 dump_data_dependence_relations, free_dependence_relations,
14225 free_data_refs): Adjust declaration.
14226 (lambda_transform_legal_p): Move declaration here...
14227 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14228 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14229 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14230 vect_analyze_data_refs): Use VEC instead of VARRAY.
14231 * lambda.h (lambda_transform_legal_p): ...from here.
14232 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14233 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14234 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14235 tree-chrec.o): Don't depend on VARRAY_H.
14237 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14239 * rtl.def (Copyright): Update date.
14240 (DEPS_LIST): Change type of the second operand to 'int'.
14241 * target.h (Copyright): Update date.
14242 (struct gcc_target.speculate_insn): Change type of the second parameter
14244 * lists.c (Copyright): Update date.
14245 (alloc_DEPS_LIST): Change signature. Update reference to the second
14246 operand of the DEPS_LIST.
14247 (copy_DEPS_LIST_list): Update reference to the second operand of the
14249 * rtl.h (Copyright): Update date.
14250 (alloc_DEPS_LIST): Update signature.
14251 * sched-int.h (Copyright): Update date.
14252 (ds_t): Change typedef to 'int'.
14253 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14255 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14257 * haifa-sched.c (Copyright): Update date.
14258 (try_ready): Change condition to restore non-speculative pattern
14259 of the instruction.
14260 (process_insn_depend_be_in_spec): Code to keep probability of the
14261 speculative dependence non-decreasing.
14263 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14265 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14266 shut up the compiler.
14268 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14270 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14271 to use lib prefix for target.
14272 ($(T)libic_invalidate_array_4-200.a): Likewise.
14273 ($(T)libic_invalidate_array_4a.a): Likewise.
14275 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14276 J"orn Rennecke <joern.rennecke@st.com>
14278 * superh.opt: New file.
14279 * sh.c (boardtype, osruntime): Remove.
14280 * superh.h (SUBTARGET_OPTIONS): Remove.
14281 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14283 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14284 arguments with ^ and/or [].
14286 * config.gcc (sh-*-*): Add quoting to account for quirk of
14288 Replace == with = in enable_incomplete_targets test.
14290 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14291 with MASK_LITTLE_ENDIAN.
14293 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14294 * config/sh/sh.opt: Added to some comments.
14295 * config/sh/superh.h: Removed some chaff.
14297 * config/sh/sh.opt: Add m4-[1234]00* options.
14298 * config/sh/sh.c (sh_handle_option): Likewise.
14299 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14300 (ic_invalidate_array_4-100.o): New rule.
14301 ($(T)libic_invalidate_array_4-100.a): Likewise.
14302 (ic_invalidate_array_4-200.o): Likewise.
14303 ($(T)libic_invalidate_array_4-200.a): Likewise.
14304 (ic_invalidate_array_4a.o): Likewise.
14305 ($(T)libic_invalidate_array_4a.a): Likewise.
14306 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14307 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14309 * config/sh/crt1.asm: Merged in profiling code.
14310 * config/sh/superh.h (STARTFILE_SPEC): Override.
14311 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14312 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14313 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14315 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14316 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14317 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14319 * sh.opt (mpretend-cmove): New option.
14320 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14321 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14322 (movsicc): Add TARGET_PRETEND_CMOVE code.
14324 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14326 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14327 s390_class_max_nregs): New function prototypes.
14328 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14329 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14330 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14331 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14333 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14335 * dwarf2out.c (add_location_or_const_value_attribute): Call
14336 tree_add_const_value_attribute if nothing else works.
14337 (reference_to_unused): New.
14338 (rtl_for_decl_init): Use reference_to_unused to decide whether
14339 to output an initializer.
14341 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14344 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14345 peephole removing spe frob_di_df_2.
14347 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14349 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14350 (subscript_dependence_tester_1): Declared.
14351 (print_dir_vectors, print_dist_vectors): New.
14352 (debug_data_dependence_relation): New.
14353 (dump_data_dependence_relation): Print more details.
14354 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14355 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14356 (save_dist_v, save_dir_v, add_outer_distances,
14357 build_classic_dist_vector_1): New.
14358 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14359 Don't test for lambda_vector_lexico_pos.
14360 (same_access_functions, add_multivariate_self_dist,
14361 add_other_self_distances, dir_from_dist): New.
14362 (build_classic_dir_vector): Replace implementation almost identical to
14363 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14365 (subscript_dependence_tester_1): New.
14366 (subscript_dependence_tester): Handle the lexicographically negative
14367 distance vectors by recomputing the dependence relation.
14368 (compute_affine_dependence): Remove parameter loop_nest_depth.
14369 (compute_self_dependence): Don't call compute_subscript_distance.
14370 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14371 Add a parameter for the loop_nest.
14372 (find_loop_nest_1, find_loop_nest): New.
14373 (compute_data_dependences_for_loop): Compute the loop nest, and give
14374 up if the nest is not well formed.
14375 * tree-data-ref.h (loop_p): New.
14376 (struct data_dependence_relation): Replace size_vect field with
14377 loop_nest, a vec of loops.
14378 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14379 (DDR_LOOP_NEST): New.
14380 (print_dir_vectors, print_dist_vectors,
14381 debug_data_dependence_relation): Declared.
14382 (index_in_loop_nest): New.
14383 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14384 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14387 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14389 * simplify-rtx.c (simplify_relational_operation): Call
14390 simplify_relational_operation_1 even if mode is VOIDmode.
14392 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14394 PR tree-optimization/26804
14395 * tree.h (DECL_CALL_CLOBBERED): New macro.
14396 (tree_decl_common): Add call_clobbered_flag.
14397 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14398 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14399 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14400 (mark_non_addressable): Ditto.
14401 * tree-ssa.c (verify_call_clobbered): New function.
14402 (verify_alias_info): Use it.
14403 * tree-pass.h (pass_reset_cc_flags): New prototype.
14404 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14405 (reset_cc_flags): New function.
14406 * passes.c (init_optimization_passes): Call reset_cc_flags after
14407 initializing referenced_vars.
14409 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14410 Roger Sayle <roger@eyesopen.com>
14412 PR middle-end/26717
14413 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14414 to 1.0 for non-real operands. Implement A / A optimization for
14417 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14419 * config/i386/i386.c (size_cost): Correct the comment for
14420 cost of storing fp registers.
14421 (i386_cost): Likewise.
14422 (i486_cost): Likewise.
14423 (pentium_cost): Likewise.
14424 (pentiumpro_cost): Likewise.
14425 (k6_cost): Likewise.
14426 (athlon_cost): Likewise.
14427 (k8_cost): Likewise.
14428 (pentium4_cost): Likewise.
14429 (nocona_cost): Likewise.
14430 (generic64_cost): Likewise.
14431 (generic32_cost): Likewise.
14433 2006-03-24 Denis Chertykov <denisc@overta.ru>
14435 * config/avr/avr-protos.h (extra_constraint): Delete.
14436 (extra_constraint_Q): New declaration.
14437 * config/avr/constraints.md: New file.
14438 * config/avr/avr.md: Include it.
14439 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14440 (TMP_REGNO, ZERO_REGNO): Likewise.
14441 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14442 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14443 (extra_constraint): Delete.
14444 (extra_constraint_Q): Test for memory constraint 'Q'.
14445 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14446 (REG_CLASS_FROM_LETTER): Delete.
14447 (CONST_OK_FOR_LETTER_P): Delete.
14448 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14449 (EXTRA_CONSTRAINT): Delete.
14450 (TMP_REGNO): Delete.
14451 (ZERO_REGNO): Delete.
14453 2006-03-24 Jeff Law <law@redhat.com>
14455 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
14456 directly. Call mark_new_vars_to_rename slightly earlier.
14458 2006-03-24 Geoffrey Keating <geoffk@apple.com>
14460 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
14461 (is_cxx): Likewise.
14462 (gen_compile_unit_die): Use new language types for Objective-C and
14464 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
14465 DW_LANG_C_plus_plus.
14468 * config/t-darwin (crt3.o): Work around bug 26840.
14469 * config/darwin-crt3.c: Rewrite.
14470 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
14472 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
14474 * doc/invoke.texi: Document -femit-class-debug-always
14475 * common.opt: Add -femit-class-debug-always.
14477 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
14479 * config/s390/s390.c (s390_decompose_address): Allow SImode for
14480 index and base register.
14481 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
14482 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
14483 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14484 REGNO_OK_FOR_INDEX_P.
14485 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14487 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14488 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14489 REG_OK_FOR_BASE_P): Definitions removed.
14491 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14493 PR middle-end/26611
14494 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14495 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14496 set yet or weren't marked as local yet.
14498 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14500 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14503 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14505 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14506 (rs6000_legitimate_small_data_p): Delete.
14507 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14508 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14509 and make static. Add forward declaration. Update uses.
14510 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14511 of offsettable_memref_p.
14512 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14513 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14515 2006-03-24 Jeff Law <law@redhat.com>
14517 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14518 around bug in immediate-use iterator.
14520 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14523 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14524 or __LITTLE_ENDIAN__.
14526 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14528 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14529 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14530 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14531 * config/sh/sh.opt (mdiv=): Amend description.
14532 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14533 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14534 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14535 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14536 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14537 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14538 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14539 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14540 TARGET_DIVIDE_CALL_FP.
14542 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14544 * haifa-sched.c (choose_ready): Fix type of the local variable.
14545 Move local variables. Add comment.
14546 (check_reg_live): Change signature. Make callable from debugger.
14547 * sched-int.h (check_reg_live): Update signature.
14548 * sched-ebb.c (check_reg_live): Update parameters.
14549 * sched-rgn.c (check_reg_live): Ditto.
14550 (region_head_or_leaf_p): Check pointer before dereferencing.
14551 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14552 before reload on optimization levels below 1.
14554 2006-03-23 Richard Henderson <rth@redhat.com>
14556 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14560 * config/alpha/predicates.md (local_symbolic_operand): Reject
14563 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14566 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14567 expressions which have overflowed constants.
14569 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14571 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14573 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14575 * cfgloopmanip.c (create_loop_notes): Removed.
14576 * final.c (final_scan_insn): Do not handle loop notes.
14577 * jump.c (squeeze_notes): Ditto.
14578 * cfglayout.c (skip_insns_after_block,
14579 duplicate_insn_chain): Ditto.
14580 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14582 * cfgloop.h (create_loop_notes): Declaration removed.
14584 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14586 * varasm.c (output_constant_pool): Restore fnname and fndecl
14588 (assemble_start_function): Adjust call accordingly.
14589 (assemble_end_function): Likewise.
14591 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14594 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14597 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14599 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14602 * system.h (ICE_EXIT_CODE): New macro.
14603 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14604 (diagnostic_action_after_output): Likewise.
14605 * gcc.c (fatal_ice): New function.
14606 (execute): Use it instead of fatal.
14607 (fancy_abort): Likewise.
14608 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14610 2006-03-22 Jeff Law <law@redhat.com>
14612 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14613 iv_analyze_result returning false.
14615 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14617 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14619 2006-03-22 Richard Henderson <rth@redhat.com>
14621 PR middle-end/26084
14622 * except.c (duplicate_eh_regions_0): New.
14623 (duplicate_eh_region_1): Duplicate the children of the node as
14624 well as the node itself. Link them up properly.
14625 (duplicate_eh_region_2): Merge into ...
14626 (duplicate_eh_regions): ... here. Take copy_region argument, and
14627 copy only a sub-tree if asked. Simplify copying and fixup.
14628 (eh_region_outer_p): New.
14629 * except.h (duplicate_eh_regions): Update decl.
14630 (eh_region_outer_p): Declare.
14631 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14632 (lower_omp_master): Likewise.
14633 (lower_omp_ordered): Likewise.
14634 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
14635 (move_stmt_r): Use it to remap labels. Handle recursion vs
14636 remap_decls_p properly.
14637 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
14638 (find_outermost_region_in_block): New.
14639 (new_label_mapper): New.
14640 (move_sese_region_to_fn): Copy eh information to the new function
14642 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
14644 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
14647 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14649 * doc/md.texi (-mshared): Mention that -mshared code can be linked
14650 into shared libraries.
14652 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14654 * doc/md.texi: Refer to i386/constraints.md instead of
14655 i386/predicates.md.
14656 * config/i386/constraints.md: New file, extracted from...
14657 * config/i386/predicates.md: ...here.
14658 * config/i386/i386.md: Include constraints.md.
14660 2006-03-21 Jason Merrill <jason@redhat.com>
14662 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
14664 PR middle-end/20297
14665 * expr.c (init_block_move_fn): Force default visibility.
14666 (init_block_clear_fn): Likewise.
14667 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14668 * targhooks.c (default_external_stack_protect_fail): Likewise.
14670 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14672 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14673 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14674 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14675 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14676 (loadgp): Use mips_current_loadgp_style.
14677 (loadgp_noshared): New pattern.
14678 (sibcall_internal): Use MIPS_CALL.
14679 (sibcall_value_internal): Likewise.
14680 (sibcall_value_multiple_internal): Likewise.
14681 (call_internal): Likewise.
14682 (call_value_internal): Likewise.
14683 (call_value_multiple_internal): Likewise.
14684 (call_split): Use MIPS_CALL and add an 'S' constraint.
14685 (call_value_split): Likewise.
14686 (call_value_multiple_split): Likewise.
14687 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14688 (-mshared): New option.
14689 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14690 (mips_current_loadgp_style): Declare.
14691 * config/mips/mips.c (mips_classify_symbol): Avoid using
14692 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14693 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14694 TARGET_ABSOLUTE_ABICALLS.
14695 (override_options): Adjust comments. Improve the warning that is
14696 issued when -mabicalls and -G are used together.
14697 (mips_file_start): Remove comment.
14698 (mips_current_loadgp_style): New function.
14699 (mips_gnu_local_gp): New variable.
14700 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14702 (mips_output_function_prologue): Use mips_current_laodgp_style.
14703 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14704 the cprestore instruction.
14705 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14706 live for TARGET_ABSOLUTE_ABICALLS.
14707 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14708 (ASM_SPEC): Pass down -mshared and -mno-shared.
14709 (MIPS_CALL): New macro.
14710 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
14712 * doc/invoke.texi (-mabicalls): Update documentation.
14713 (-mshared): Document.
14715 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14717 * config/ia64/unwind-hpux.c: New file.
14718 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
14720 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14723 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
14725 2006-03-21 Jeff Law <law@redhat.com>
14727 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
14728 type conversions of a VR_VARYING source to a wider type.
14730 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
14732 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
14733 tm_file on Solaris 10 and later.
14734 (sparc64-*-solaris2*): Likewise.
14735 (sparc-*-solaris2*): Likewise.
14736 * config/sol26.h: Rename to config/sol2-6.h.
14737 * config/sol2-10.h: New file.
14739 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
14742 * tree-ssa-pre.c (create_component_ref_by_pieces):
14745 2006-03-21 Jakub Jelinek <jakub@redhat.com>
14748 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
14749 return it immediately.
14751 2006-03-21 Michael Matz <matz@suse.de>
14753 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
14755 (remove_arc, add_arc): Update num_out_arcs member.
14756 (set_out_arc_insns_equiv_num): Returns nothing instead of number
14758 (cache_presence): New function.
14759 (compare_states_for_equiv): New function.
14760 (state_is_differed): Don't take number of outargs, adjust callers.
14761 Use new invariant for speeding up.
14762 (init_equiv_class): Create initial classes based on sorted
14764 (partition_equiv_class): Don't track out_arcs_num.
14765 (evaluate_equiv_classes): Call cache_presence on all states and
14768 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
14770 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
14771 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
14772 (bfin_valid_reg_p): Test for pseudos explicitly and use only
14773 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
14775 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
14776 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
14777 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
14778 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
14779 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
14781 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
14782 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
14783 (REGNO_REG_CLASS): ARGP is in PREGS.
14784 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
14786 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
14787 to deal with those addresses.
14788 * addresses.h: New file.
14789 * caller-save.c: Include "addresses.h".
14790 (init_caller_save): Use new base_reg_class function.
14791 * rtl-factoring.c: Include "addresses.h".
14792 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
14793 * recog.c: Include "addresses.h".
14794 (preprocess_constraints): Use new base_reg_class function.
14795 * regrename.c: Include "addresses.h".
14796 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
14797 functions. Keep track of a new var INDEX_CODE to compute valid
14799 (replace_oldest_value_addr): Likewise.
14800 (replace_oldest_value_mem): Use base_reg_class.
14801 * reload.c: Include "addresses.h".
14802 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
14803 (find_reloads): Use new base_reg_class function.
14804 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
14805 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
14806 all callers and prototype changed.
14807 * reload1.c: Include "addresses.h".
14808 (maybe_fix_stack_asms): Use base_reg_class.
14809 * regclass.c: Include "addresses.h".
14810 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
14811 (init_reg_autoinc): Use new base_reg_class function.
14812 (record_reg_classes): Likewise.
14813 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
14814 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
14815 Use new args to compute necessary class.
14817 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
14818 regrename.o, rtl-factoring.o): Update dependencies.
14819 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
14820 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
14821 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
14822 REG_OK_FOR_INDEX_P): Delete documentation.
14824 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
14826 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
14827 from V7 to V9 for Solaris 7 and above.
14829 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
14831 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
14832 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
14833 argument pointers may not alias any other storage.
14834 * common.opt: Define option -fargument-noalias-anything.
14835 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
14836 alias semantics is specified by flag_argument_noalias > 2.
14838 2006-03-20 Jeff Law <law@redhat.com>
14840 * tree-pass.h (pass_phi_only_copy_prop): Delete.
14841 (pass_phi_only_cprop): Declare.
14842 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
14843 with phi_only_cprop
14844 * tree-ssa-dom.c (degenerate_phi_result): New function.
14845 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
14846 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
14847 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
14848 (eliminate_degenerate_phis): Likewise.
14849 (pass_phi_only_cprop): New pass descriptor.
14850 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
14851 support code. Callers updated.
14852 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
14853 (store_copy_prop): Likewise.
14854 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
14856 2006-03-20 Jason Merrill <jason@redhat.com>
14859 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
14860 (push_visibility, pop_visibility): Likewise.
14861 * c-pragma.h: Declare them.
14863 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
14865 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
14867 * config/sh/sh.c (find_regmode_weight): Change the type of the first
14868 parameter and use get_ebb_head_tail.
14869 (sh_md_init_global): Adjust uses of find_regmode_weight.
14871 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
14873 * function.h (struct function) <x_tail_recursion_reentry>:
14874 Rename to x_stack_check_probe_note.
14875 (tail_recursion_reentry): Rename to stack_check_probe_note.
14876 * function.c: Replace tail_recursion_reentry with
14877 stack_check_probe_note everywhere.
14878 (expand_function_start): Only emit a note for
14879 stack_check_probe_note with -fstack-protect.
14880 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
14882 * emit-rtl.c (remove_unnecessary_notes): Remove.
14883 (pass_remove_unnecessary_notes): Remove.
14884 * rtl.h (remove_unnecessary_notes): Remove prototype.
14885 * final.c (final_start_function): Don't call remove_unnecessary_notes.
14886 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
14887 * passes.c (pass_remove_unnecessary_notes): Don't run it.
14889 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
14892 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
14893 (valid_in_set): Handle ARRAY_REF.
14894 Change "if min_variant or VH" to asserts.
14895 (create_component_ref_by_pieces): Handle ARRAY_REF.
14896 (create_expression_by_pieces): Likewise.
14897 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
14899 2006-03-20 David Edelsohn <edelsohn@gnu.org>
14901 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
14902 is operand of switch, not str[0].
14904 2006-03-20 Alan Modra <amodra@bigpond.net.au>
14906 * config/rs6000/rs6000.c (rs6000_handle_option): Use
14907 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
14909 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14911 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
14912 end of insn_extra_address_constraint declaration.
14914 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14916 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
14917 (no-sum-in-toc): Same.
14918 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
14920 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
14921 NO_FP_IN_TOC for -fPIC instead of mask.
14923 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
14924 (BOOT_LDFLAGS): Delete.
14926 * config/rs6000/t-aix52: Same.
14928 * config/rs6000/rs6000.md (store_multiple_power): Delete.
14929 (stmsi[345678]_power): New.
14931 2006-03-17 Steve Ellcey <sje@cup.hp.com>
14933 * config/ia64/ia64.opt: Add empty line to end of file.
14935 2006-03-17 Richard Guenther <rguenther@suse.de>
14937 PR middle-end/26721
14938 * builtins.c (get_pointer_alignment): For component style references
14939 adjust alignment to the component type alignment. Make sure
14940 to adjust alignment for component access of constants.
14942 2006-03-17 David Edelsohn <edelsohn@gnu.org>
14944 * config/rs6000/rs6000.md (strlensi): Emit barrier after
14945 unconditional jump.
14947 2006-03-17 Paul Brook <paul@codesourcery.com>
14949 * doc/install.texi: Docuemnt --with-mode.
14950 * config.gcc: Add --with-mode for arm*-*-*.
14951 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
14953 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
14955 * sh.c (max_labelno_before_reorg): New variable.
14956 (sh_reorg): Initialize it.
14957 (find_barrier): Check max_labelno_before_reorg before using
14958 label_to_alignment. Take length of explicit alignment insns
14959 into account. When seeing a UNSPECV_CONST_END, return it.
14961 * sh.c (fixup_mova): Set mode of affected label to QImode.
14962 (untangle_mova): New function.
14963 (find_barrier): Use it. Check mode of label before decrementing
14965 (sh_reorg): Likewise.
14966 Set mode of all insns back to VOIDmode.
14968 * sh.c (MOVA_LABELREF): New macro.
14969 (mova_p, fixup_mova, sh_reorg): Use it.
14970 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
14971 ADDR_DIFF_VEC matches mova.
14973 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
14975 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
14976 with ATTRIBUTE_UNUSED.
14978 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
14980 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
14981 pointer, instead of assuming it is possible to derive the
14982 correct args size from a call insn.
14984 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14986 * rtl.h (CONST_INT_P): Define.
14987 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
14988 instead of GET_CODE(x) == CONST_INT.
14989 (vax_rtx_costs): Likewise.
14990 (vax_output_int_move): Likewise.
14991 (vax_output_int_add): Likewise.
14992 (legitimate_constant_address_p): Likewise.
14993 (index_term_p): Likewise.
14994 * config/vax/vax.h (PRINT_OPERAND): Likewise.
14995 * config/vax/vax.md (and<mode>3): Likewise.
14996 (ashrsi3): Likewise.
14998 (movstricthi): Likewise.
14999 (movstrictqi): Likewise.
15000 (rotrsi3): Likewise.
15001 (five unnamed insns): Likewise.
15003 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15005 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15006 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15007 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15008 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15009 Pass to ASM_OUTPUT_DWARF_OFFSET.
15010 * dwarf2out.c (debug_frame_section): New.
15011 (output_call_frame_info): Use debug_frame_section. Pass it to
15012 dw2_asm_output_offset.
15013 (output_die): Pass appropriate section to dw2_asm_output_offset.
15014 (output_compilation_unit_header): Likewise.
15015 (output_pubnames): Likewise.
15016 (output_aranges): Likewise.
15017 (enum dw_val_class): Break dw_val_class_lbl_offset into
15018 dw_val_class_lineptr and dw_val_class_macptr.
15019 (add_AT_lbl_offset): Delete.
15020 (add_AT_lineptr): New.
15021 (add_AT_macptr): New.
15022 (AT_lbl): Expect a lineptr or macptr.
15023 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15024 (attr_checksum): Likewise.
15025 (same_dw_val_p): Likewise.
15026 (size_of_die): Likewise.
15027 (value_format): Likewise.
15028 (output_die): Likewise.
15029 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15031 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15032 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15033 * config/darwin-protos.h (darwin_file_start): New.
15034 (darwin_asm_output_dwarf_offset): New.
15035 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15036 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15038 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15039 if not EH section; simplify.
15040 (darwin_file_start): New.
15041 (darwin_asm_output_dwarf_offset): New.
15042 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15044 (DEBUG_INFO_SECTION): Likewise.
15045 (DEBUG_ABBREV_SECTION): Likewise.
15046 (DEBUG_ARANGES_SECTION): Likewise.
15047 (DEBUG_MACINFO_SECTION): Likewise.
15048 (DEBUG_LINE_SECTION): Likewise.
15049 (DEBUG_LOC_SECTION): Likewise.
15050 (DEBUG_PUBNAMES_SECTION): Likewise.
15051 (DEBUG_STR_SECTION): Likewise.
15052 (DEBUG_RANGES_SECTION): Likewise.
15053 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15054 (ASM_OUTPUT_DWARF_OFFSET): New.
15056 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15058 * config.gcc (tm_defines): Always add to previous value rather
15061 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15063 * config/mips/predicates.md (splittable_const_int_operand): New,
15064 split from move_operand.
15065 (splittable_symbolic_operand): New.
15066 (move_operand): Add commentary. Use splittable_const_int_operand.
15067 Inline mips_atomic_symbolic_constant_p.
15068 * config/mips/mips.md: Add combine splitters for handling moves
15069 of splittable_const_int_operands and splittable_symbolic_operands.
15070 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15071 (mips_split_symbol): Declare.
15072 (mips_move_integer): Declare.
15073 * config/mips/mips.c (mips_split_p): Make global.
15074 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15075 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15076 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15077 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15078 (mips_offset_within_object_p): Handle block symbols.
15079 (mips_atomic_symbolic_constant_p): Delete.
15080 (mips_cannot_force_const_mem): Return false for constants that
15081 mips_legitimize_move can handle.
15082 (mips_use_blocks_for_constant_p): New function.
15083 (mips_split_symbol): Make global.
15084 (mips_move_integer): Likewise. Add a temporary register argument.
15085 (mips_legitimize_const_move): Use splittable_const_int_operand and
15086 splittable_symbolic_operand.
15087 (mips_use_anchors_for_symbol_p): New function.
15088 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15089 (mips_split_p): Declare.
15091 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15093 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15094 (mips*-*-linux*): Likewise.
15096 2006-03-16 Roger Sayle <roger@eyesopen.com>
15097 Daniel Speyer <dspeyer@wam.umd.edu>
15099 PR middle-end/18259
15100 * tree-dump.c (dump_real): New function.
15101 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15102 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15103 (tree-dump.o): Add $(REAL_H) to the dependencies.
15105 2006-03-16 Roger Sayle <roger@eyesopen.com>
15107 PR middle-end/21781
15108 * real.c (real_from_string): If the mantissa is zero, don't bother
15109 parsing the exponent as the result should always be zero.
15111 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15113 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15115 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15117 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15118 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15119 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15120 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15121 ia64_sched_finish_global): New static functions to implement
15122 hooks from gcc_target.sched.
15123 (spec_check_no, max_uid, pending_data_specs): New static variables.
15124 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15125 ia64_spec_check_src_p): New static functions.
15126 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15127 (TARGET_SCHED_ADJUST_COST): Removed.
15128 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15129 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15130 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15131 TARGET_SCHED_GEN_CHECK,
15132 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15133 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15134 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15135 Fixed to handle speculation checks.
15136 (rtx_needs_barrier): Fixed to handle speculative loads and
15138 (ia64_variable_issue): Added code to count speculative loads and their
15140 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15142 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15144 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15146 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15147 (ia64_reorg): Reset stops_p to NULL after it is freed.
15148 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15149 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15150 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15152 (data_speculative, control_speculative, check_load): New attributes.
15153 (mov<mode>_advanced, mov<mode>_speculative,
15154 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15155 zero_extend<mode>di2_speculative,
15156 zero_extend<mode>di2_speculative_advanced): New patterns for
15157 data and control speculative loads.
15158 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15160 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15161 New pattern for data and control speculation checks.
15162 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15163 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15164 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15165 Auxiliary definitions for the patterns.
15166 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15167 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15169 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15171 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15172 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15173 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15174 New resource constraints.
15175 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15177 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15178 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15179 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15180 msched-in-control-spec, msched-ldc, msched-control-ldc,
15181 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15182 msched-prefer-non-control-spec-insns,
15183 msched-count-spec-in-critical-path): New flags to tune speculative
15185 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15186 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15187 msched-in-control-spec, msched-ldc, msched-control-ldc,
15188 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15189 msched-prefer-non-control-spec-insns,
15190 msched-count-spec-in-critical-path): Document new flags.
15192 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15194 * target.h (struct spec_info_def): New opaque declaration.
15195 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15196 speculate_insn, needs_block_p, gen_check,
15197 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15198 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15199 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15200 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15201 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15202 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15204 (TARGET_SCHED): Use new macros.
15205 * rtl.h (copy_DEPS_LIST_list): New prototype.
15206 * sched-int.h (struct sched_info): Change signature of new_ready field,
15207 adjust all initializations. New fields: add_remove_insn,
15208 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15209 region_head_or_leaf_p.
15210 (struct spec_info_def): New structure declaration.
15211 (spec_info_t): New typedef.
15212 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15213 recovery_block, orig_pat.
15214 (glat_start, glat_end): New variables declaraions.
15215 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15217 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15218 DETACH_LIFE_INFO, USE_GLAT.
15219 (enum SPEC_SCHED_FLAGS): New enumeration.
15220 (NOTE_NOTE_BB_P): New macro.
15221 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15222 attach_life_info, debug_spec_status, check_reg_live): New functions.
15223 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15224 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15226 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15227 * ddg.c (get_block_head_tail): Adjust all uses.
15228 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15229 (sms_sched_info): Initialize new fields.
15230 (contributes_to_priority): Removed.
15231 * haifa-sched.c (params.h): New include.
15232 (get_block_head_tail): Adjust all uses.
15233 (ISSUE_POINTS): New macro.
15234 (glat_start, glat_end): New global variables.
15235 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15236 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15237 old_last_basic_block, before_recovery, current_sched_info_var,
15238 rgn_n_insns, luid): New static variables.
15239 (insn_cost1): New function. Move logic from insn_cost to here.
15240 (find_insn_reg_weight1): New function. Move logic from
15241 find_insn_reg_weight to here.
15242 (reemit_notes, move_insn, max_issue): Change signature.
15243 (move_insn1): Removed.
15244 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15245 extend_bb): New static functions to support extension of scheduler's
15247 (generate_recovery_code, process_insn_depend_be_in_spec,
15248 begin_speculative_block, add_to_speculative_block,
15249 init_before_recovery, create_recovery_block, create_check_block_twin,
15250 fix_recovery_deps): New static functions to support
15251 generation of recovery code.
15252 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15253 restore_bb_notes, move_block_after_check, move_succs): New static
15254 functions to support ebb scheduling.
15255 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15256 functions to support handling of register live information.
15257 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15258 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15259 add_jump_dependencies): New static functions.
15260 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15261 consistancy checking.
15262 (debug_spec_status): New function to call from debugger.
15263 (priority): Added code to handle speculation checks.
15264 (rank_for_schedule): Added code to distinguish speculative instructions.
15265 (schedule_insn): Added code to handle speculation checks.
15266 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15267 Fixed to handle ebbs.
15268 (move_insn): Added code to handle ebb scheduling.
15269 (max_issue): Added code to use ISSUE_POINTS of instructions.
15270 (choose_ready): Added code to choose between speculative and
15271 non-speculative instructions.
15272 (schedule_block): Added code to handle ebb scheduling and scheduling of
15273 speculative instructions.
15274 (sched_init): Initialize new variables.
15275 (sched_finish): Free new variables. Print statistics.
15276 (try_ready): Added code to handle speculative instructions.
15277 * lists.c (copy_DEPS_LIST_list): New function.
15278 * sched-deps.c (extend_dependency_caches): New function. Move logic
15279 from create_dependency_caches to here.
15280 (get_dep_weak, ds_merge): Make global.
15281 * genattr.c (main): Code to output prototype for
15282 dfa_clear_single_insn_cache.
15283 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15284 (output_dfa_clean_insn_cache_func): Code to output
15285 dfa_clear_single_insn_cache function.
15286 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15288 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15290 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15291 New static variables.
15292 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15293 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15295 (ebb_sched_info): Initialize new fields.
15296 (get_block_head_tail): Adjust all uses.
15297 (compute_jump_reg_dependencies): Fixed to use glat_start.
15298 (schedule_ebb): Code to remove unreachable last block.
15299 (schedule_ebbs): Added code to update register live information.
15300 * sched-rgn.c (region_sched_info): Initialize new fields.
15301 (get_block_head_tail): Adjust all uses.
15302 (last_was_jump): Removed. Adjust users.
15303 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15304 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15305 Implement new hooks.
15306 (check_dead_notes1): New static function.
15307 (struct region): New fields: dont_calc_deps, has_real_ebb.
15308 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15309 (BB_TO_BLOCK): Fixed to handle EBBs.
15310 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15311 (ebb_head): New static variable.
15312 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15313 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15315 (compute_dom_prob_ps): New assertion.
15316 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15317 global_live_at_start.
15318 (init_ready_list): New assertions.
15319 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15320 (new_ready): Add support for BEGIN_CONTROL speculation.
15321 (schedule_insns): Fixed code that updates register live information
15323 (schedule_region): Fixed to handle EBBs.
15324 (init_regions): Use extend_regions and check_dead_notes1.
15325 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15326 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15327 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15328 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15329 TARGET_SCHED_GEN_CHECK,
15330 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15331 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15332 * doc/invoke.texi (max-sched-insn-conflict-delay,
15333 sched-spec-prob-cutoff): Document.
15335 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15337 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15338 inter_tick, queue_index.
15339 (struct sched_info): Change signature of init_ready_list field.
15340 Adjust all initializations.
15341 (RESOLVED_DEPS): New access macro.
15342 (ready_add): Remove prototype.
15343 (try_ready): Add prototype.
15344 * sched-rgn.c (init_ready_list): Use try_ready.
15345 (schedule_region): Initialize
15346 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15347 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15348 (init_ready_list): Use try_ready.
15349 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15350 * lists.c (remove_list_elem): Remove `static'.
15351 (remove_free_INSN_LIST_elem): New function.
15352 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15353 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15354 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15356 (readyp): New variable.
15357 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15358 change_queue_index, resolve_dep): New static functions.
15359 (try_ready): New function. Adjust callers in sched-rgn.c and
15360 sched-ebb.c to use it instead of ready_add.
15361 (clock_var): Move at the begining of file.
15362 (rank_for_schedule): Fix typo.
15363 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15364 (ready_lastpos): Enforce assertion.
15365 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15366 update all callers.
15367 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15368 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15369 (queue_to_ready): Use free_INSN_LIST_list.
15370 (early_queue_to_ready): Fix typo.
15371 (schedule_block): Init readyp. Move init_ready_list call after the
15372 initialization of clock_var. Fix error in rejecting insn by
15373 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15374 that previously corrected INSN_TICKs. Add code for handling
15376 (set_priorities): Fix typo.
15377 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15378 Clarify comment and code that keeps current_sched_info->next_tail
15381 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15383 * sched-rgn.c (extend_rgns): New static function.
15384 (find_rgns): Use it.
15385 (gather_region_statistics, print_region_statistics): New static
15387 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15388 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15390 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15391 Andrey Belevantsev <abel@ispras.ru>
15393 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15394 * lists.c (unused_deps_list): New variable.
15395 (free_list): Add assertions to verify the proper distinguishing
15396 between INSN_LISTs and DEPS_LISTs.
15397 (find_list_elem, remove_list_elem, remove_list_node): New static
15399 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15400 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15401 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15402 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15404 (free_INSN_LIST_node): Likewise.
15405 * modulo-sched.c (current_sched_info): Initialize flags field.
15406 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15407 * rtl.def (DEPS_LIST): Define.
15408 * rtl.h: Declare new functions from lists.c.
15409 * sched-deps.c (spec_dependency_cache): New static variable.
15410 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15411 (add_dependence): Change return type to void. Move the logic to ...
15412 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15413 (delete_all_dependences): Add comment about forward_dependency_cache.
15414 Handle spec_dependency_cache. Handle DEPS_LISTs.
15415 (fixup_sched_groups): Clarify the change of priority of output
15416 and anti dependencies.
15417 (sched_analyze_2): Adjust add_dependence calls to create data
15418 speculative dependence.
15419 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15420 Adjust all callers. Handle DEPS_LISTS.
15421 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15422 presence of speculation.
15423 (init_dependency_caches, free_dependency_caches):
15424 Handle spec_dependency_cache.
15425 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15426 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15427 New static functions.
15428 (add_or_update_back_dep, add_or_update_back_forw_dep,
15429 add_back_forw_dep, delete_back_forw_dep): New functions.
15430 * sched-int.h (ds_t, dw_t): New typedefs.
15431 (struct sched_info): Add new field flags.
15432 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15433 Prototype new sched-deps.c functions.
15434 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15435 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15436 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15437 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15438 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15439 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15441 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15443 * sched-rgn.c (current_sched_info): Initialize flags field.
15444 (schedule_insns): Initialize current_sched_info before the sched_init
15446 * sched-ebb.c (current_sched_info): Initialize flags field.
15447 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15448 Call add_or_update_back_dep instead of add_dependence.
15449 Create control speculative dependencies.
15450 (schedule_insns): Initialize current_sched_info before the sched_init
15453 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
15455 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
15457 (sh_fallback_frame_state): Likewise.
15459 2006-03-15 Geoffrey Keating <geoffk@apple.com>
15461 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
15462 Do switch on default_use_cxa_atexit.
15463 (powerpc*-*-darwin*): Build crt2.o on powerpc.
15464 * config/darwin-crt3.o: New.
15465 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
15466 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
15467 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
15469 * config/rs6000/t-darwin: Move crt2.o building to here.
15470 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
15471 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
15474 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15476 * config/vax/vax.c (nonindexed_address_p): Change logical negation
15477 from '! xxx' to '!xxx' for coding-style conformance.
15478 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
15479 (EXTRA_CONSTRAINT): Likewise.
15480 * config/vax/vax.md (four unnamed insns): Likewise.
15482 2006-03-15 Paul Brook <paul@codesourcery.com>
15484 * config/arm/arm.c (minipool_pad): New.
15485 (add_minipool_forward_ref): Include pool alignment padding in address
15487 (push_minipool_fix): Set minipool_pad.
15488 (minipool_pad): Ditto.
15490 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15492 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15493 instead of GET_CODE() == MEM and REG_P() instead of
15495 (print_operand_address): Likewise.
15496 (vax_address_cost): Likewise.
15497 (vax_rtx_costs): Likewise.
15498 (vax_notice_update_cc): Likewise.
15499 (vax_output_int_add): Likewise.
15500 (INDEX_REGISTER_P): Likewise.
15501 (BASE_REGISTER_P): Likewise.
15502 (nonindexed_address_p): Likewise.
15503 (vax_mode_dependent_address_p): Likewise.
15504 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15505 (PRINT_OPERAND): Likewise.
15506 * config/vax/vax.md (ashlsi3): Likewise.
15507 (ashlsi3): Likewise.
15508 (some more unnamed insns): Likewise.
15510 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15512 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15513 iterator-style macro.
15514 (mark_control_dependent_edges_necessary): Update the use of
15515 EXECUTE_IF_CONTROL_DEPENDENT.
15517 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15519 * config/sh/predicates.md (cache_address_operand): Special.
15520 (ua_address_operand): Likewise.
15522 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15524 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15526 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15528 2006-03-15 Andreas Schwab <schwab@suse.de>
15530 * gensupport.c (identify_predicable_attribute): Don't free p_false
15531 when it is still in use.
15533 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15535 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15536 the default setting here.
15538 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15540 * tree-pass.h (pass_cfg): Remove.
15541 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15542 * passes.c (pass_cfg): Don't run it.
15544 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15546 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15547 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15549 (stack_regs_mentioned): Update the uses of
15550 stack_regs_mentioned_data. Don't access the array beyond its
15552 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15553 Don't include gt-reg-stack.h.
15555 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15556 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15558 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15560 PR middle-end/26684
15561 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15564 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15566 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15568 2006-03-14 Richard Guenther <rguenther@suse.de>
15570 PR tree-optimization/26672
15571 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15574 2006-03-14 Richard Guenther <rguenther@suse.de>
15576 PR tree-optimization/26667
15577 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15578 node for the callees. Always allow inlining if it will shrink
15581 2006-03-14 Richard Guenther <rguenther@suse.de>
15583 PR middle-end/26659
15584 * builtins.c (get_pointer_alignment): Prefer alignment
15585 information from decls over that from types.
15587 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15590 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15592 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15594 * config/rs6000/rs6000.opt (mdlmzb): New option.
15595 (msched-prolog, msched-epilog): Use Var not Mask.
15596 * doc/invoke.texi (-mdlmzb): Document.
15597 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15599 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15600 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15602 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15604 PR rtl-optimization/25739
15605 * bt-load.c (augment_live_range): Free tos pointer.
15607 * gensupport.c (identify_predicable_attribute): Free
15609 * gcov.c (create_file_names): Free name pointer.
15611 2006-03-13 Roger Sayle <roger@eyesopen.com>
15613 PR middle-end/26557
15614 * stmt.c (emit_case_nodes): Handle the case where the index is a
15615 CONST_INT, where the comparison mode is specified by the index type.
15617 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15619 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15622 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15624 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15625 (*branch_fp_inverted): Likewise.
15627 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15629 PR middle-end/25989
15630 * omp-low.c (expand_omp_for_generic): Mark istart0
15631 and iend0 as addressable.
15633 2006-03-13 Jie Zhang <jie.zhang@analog.com>
15635 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
15637 2006-03-13 Jeff Law <law@redhat.com>
15639 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
15640 virtual operands are interesting.
15641 (vrp_visit_stmt): Corresponding changes.
15643 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
15645 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
15647 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
15648 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
15649 * config/bfin/crti.S: Use it instead of __PIC__.
15650 * config/bfin/crtn.S: Likewise.
15652 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
15653 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
15655 Lose 'G' modifier for call operand.
15656 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
15657 recognize 'G' modifier.
15659 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
15661 PR middle-end/18859
15662 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
15663 * stmt.c (expand_case): Likewise.
15665 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15667 PR rtl-optimization/26254
15668 * loop-invariant.c (seq_insns_valid_p): New function.
15669 (move_invariant_reg): Only emit new code if it is valid.
15671 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15673 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15675 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15676 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15677 (commit_one_edge_insertion): Do not look for loop notes.
15679 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15681 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15682 flag_test_coverage out of loop.
15684 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15686 * final.c (shorten_branches): Remove outdated comment, and turn
15687 the if branch that guards it to continue.
15689 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15691 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15692 * cfgloop.h (struct loop): Remove unused fields.
15694 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15696 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15697 (-dL, -fdump-rtl-loop2): Update the dump file names
15699 * doc/invoke.texi: Update dump file names.
15701 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15703 * predict.c (estimate_probability): Remove.
15704 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15705 * basic-block.h (estimate_probability): Remove prototype.
15706 * passes.c (finish_optimization_passes): Dump branch prediction or
15707 profiling heuristics to the .profile tree dump.
15708 (init_optimization_passes): Unqueue pass_branch_prob.
15710 * doc/invoke.texi (-fdump-rtl-bp): Remove.
15712 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15714 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
15715 * rtl.h (LABEL_NEXTREF): Remove field accessor.
15717 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
15719 * function.h (frame_offset_overflow): Declare.
15720 * function.c (frame_offset_overflow): New function.
15721 (assign_stack_local_1): Call it to detect that the offset overflows.
15722 * cfgexpand.c (alloc_stack_frame_space): Likewise.
15724 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15726 * config/sh/sh.c: Include alloc-pool.h.
15727 (label_ref_list_pool): New alloc pool.
15728 (label_ref_list_t): New type for lists of labels.
15729 (struct pool_node): Make wend a label_ref_list_t.
15730 (add_constant): Use the new type, eradicate LABEL_NEXTREF
15732 (dump_table): Likewise.
15733 (sh_reorg): Set up the alloc pool before using add_constant and
15734 dump_table, and destroy it when finishing.
15736 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15738 * config/mips/mips.c: Remove redundant comment.
15740 2006-03-10 Jason Merrill <jason@redhat.com>
15743 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
15744 the target was declared 'register'.
15746 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
15748 * genpreds.c (write_insn_constraint_len): Change definition of
15749 insn_constraint_len to return size_t to match the declaration.
15751 2006-03-10 DJ Delorie <dj@redhat.com>
15753 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
15755 (m32c_expand_insv): Fix test for an AND mask.
15757 2006-03-10 Richard Guenther <rguenther@suse.de>
15759 PR middle-end/26565
15760 * builtins.c (get_pointer_alignment): Handle component
15761 references for field alignment.
15763 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15765 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
15766 when building with libgloss.
15767 (sh*elf): Implement --without-fp option.
15768 (sh64-superh-linux*): Don't multilib.
15770 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15772 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
15774 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
15776 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
15777 Set it when one of the replacement functions returned true.
15778 Return TODO_cleanup_cfg if cfgchanged is true.
15779 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
15781 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
15783 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
15784 instead of gen_lowpart.
15786 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15788 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
15790 (mips_output_order_conditional_branch): Declare.
15791 * config/mips/mips.h (MIPS_BRANCH): New macro.
15792 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
15793 for the comparison. Use gen_condjump.
15794 (mips_output_conditional_branch): Rework interface to take the
15795 asm templates for a direct branch and the inverse of a direct branch.
15796 (mips_output_order_conditional_branch): New function.
15797 (mips_builtin_branch_and_move): New function.
15798 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
15799 branch condition. Use gen_single_cc as the condition for
15800 __builtin_mips_upper_* or __builtin_mips_lower_*.
15801 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
15802 Use VOIDmode for the branch condition.
15803 * config/mips/predicates.md (order_operator): New predicate.
15804 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
15805 (branch_fp): Rename to...
15806 (*branch_fp): ...this. Remove mode from comparison operator.
15807 Use new mips_output_conditional_branch interface.
15808 (branch_fp_inverted): Rename to...
15809 (*branch_fp_inverted): ...this and update as for *branch_fp.
15810 (*branch_zero<mode>): Rename to...
15811 (*branch_order<mode>): ...this. Remove mode from comparison operator.
15812 Use mips_output_order_conditional_branch. Only accept ordered
15814 (*branch_zero<mode>_inverted): Rename to...
15815 (*branch_order<mode>_inverted): ...this and update as for
15816 *branch_order<mode>.
15817 (*branch_equality<mode>): Accept zero as the second operand to
15818 the equality operator. Use the new mips_output_conditional_branch
15820 (*branch_equality<mode>_inverted): Likewise.
15821 (condjump): New expander.
15822 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
15824 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
15825 (bc1any2t, bc1any2f): Likewise.
15826 (single_cc): New expander.
15827 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
15829 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15831 * doc/md.texi: Update documentation of MIPS constraints.
15832 * config/mips/constraints.md: New file.
15833 * config/mips/mips.md: Include it.
15834 * config/mips/mips.c (mips_char_to_class): Delete.
15835 (override_options): Don't initialize mips_char_to_class.
15836 * config/mips/mips.h (mips_char_to_class): Delete.
15837 (REG_CLASS_FROM_LETTER): Delete.
15838 (CONST_OK_FOR_LETTER_P): Delete.
15839 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15840 (EXTRA_CONSTRAINT_Y): Delete.
15841 (EXTRA_CONSTRAINT_STR): Delete.
15842 (CONSTRAINT_LEN): Delete.
15843 (EXTRA_MEMORY_CONSTRAINT): Delete.
15845 2006-03-09 Diego Novillo <dnovillo@redhat.com>
15847 * tree-cfg.c (move_block_to_fn): Remove the statements from the
15848 original fn's eh regions.
15850 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
15852 * fold-const.c (build_range_check): Make sure to use a valid type to
15853 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
15856 (range_predecessor): New static function.
15857 (range_successor): Likewise.
15858 (merge_ranges): Use them to compute predecessors and successors of
15861 2006-03-09 Roger Sayle <roger@eyesopen.com>
15863 PR middle-end/26561
15864 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
15865 X op C3, consider whether C3 overflows towards +Inf or -Inf.
15867 2006-03-08 DJ Delorie <dj@redhat.com>
15869 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
15870 (addpsi3): Expand to include memory operands. Remove
15871 reload-specific splits.
15872 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
15873 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
15874 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
15875 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
15876 (shift1_qi, shift1_hi, insv): New.
15877 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
15878 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
15879 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
15881 * config/m32c/m32c-protos.h: Update as needed.
15882 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
15883 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
15884 Fail for unrecognized R* constraints.
15885 (m32c_cannot_change_mode_class): Be more picky about pseudos.
15886 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
15887 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
15889 (m32c_init_libfuncs): New.
15890 (m32c_legitimate_address_p): Add debug wrapper.
15891 (m32c_rtx_costs): New.
15892 (m32c_address_cost): New.
15893 (conversions): Add 'B' prefix.
15894 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
15895 operands, or word regnames for QI operands. 'B' prints bit
15897 (m32c_expand_setmemhi): New.
15898 (m32c_expand_movmemhi): New.
15899 (m32c_expand_movstr): New.
15900 (m32c_expand_cmpstr): New.
15901 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
15902 (m32c_expand_neg_mulpsi3): Handle non-ints.
15903 (m32c_cmp_flg_0): New.
15904 (m32c_expand_movcc): New.
15905 (m32c_expand_insv): New.
15906 (m32c_scc_pattern): New.
15907 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
15908 a0/a1 out of SIregs.
15909 (STORE_FLAG_VALUE): New.
15910 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
15913 * config/m32c/mov.md: Make constraints more liberal.
15914 (zero_extendqihi2): Optimize r0/r1 case.
15915 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
15916 * config/m32c/predicates.md (m32c_any_operand): New.
15917 (m32c_nonimmediate_operand): New.
15918 (m32c_hl_operand): New.
15919 (m32c_r3_operand): New.
15922 (memsym_operand): New.
15923 (memimmed_operand): New.
15924 (a_qi_operand): New.
15925 (m32c_eqne_operator): New.
15926 (m32c_1bit8_operand): New.
15927 (m32c_1bit16_operand): New.
15928 (m32c_1mask8_operand): New.
15929 (m32c_1mask16_operand): New.
15930 * config/m32c/blkmov.md: New file.
15931 * config/m32c/t-m32c (MD_FILES): Add blkmov.
15933 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
15935 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
15936 unsigned to fix signed/unsigned comparison issue in
15937 DWARF2_FRAME_REG_OUT.
15938 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
15939 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
15941 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
15942 of ptr into the ENABLE_CHECKING section.
15944 2006-03-08 Jeff Law <law@redhat.com>
15946 * tree-vrp.c (infer_value_range): Only count pointer uses
15947 and dereferences if -fdelete-null-pointer-checks is enabled.
15949 * tree-vrp.c (find_assert_locations): Infer value ranges for
15950 single use pointers, but do not create ASSERT_EXPRs for them.
15951 When a non-null range is inferred for a pointer, backwards
15952 propagate that range to other equivalent pointers through the
15955 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
15958 * Makefile.in (dvi, html, install-info): Invoke the corresponding
15959 language hook targets.
15960 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
15961 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
15962 if language hook targets were missing.
15964 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
15966 * tree-ssa-opfinalize.h: Removed.
15967 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15969 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
15970 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
15971 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
15972 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
15973 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
15974 finalize_ssa_v_must_def_ops): New.
15976 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
15978 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
15979 block as parameter.
15981 2006-03-07 Geoffrey Keating <geoffk@apple.com>
15983 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
15985 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
15986 addresses with offsets; reorganize.
15988 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
15989 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
15990 (expand_builtin_init_dwarf_reg_sizes): Likewise.
15992 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
15995 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
15997 2006-03-08 Ben Elliston <bje@au.ibm.com>
15999 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16001 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16004 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16007 2006-03-07 Richard Guenther <rguenther@suse.de>
16009 PR tree-optimization/26587
16010 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16012 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16014 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16016 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16018 * hooks.c (hook_bool_mode_rtx_true): New function.
16019 * hooks.h (hook_bool_mode_rtx_true): Declare.
16020 * toplev.c (compile_file): Call output_shared_constant_pool.
16021 * varasm.c (shared_constant_pool): New variable.
16022 (assemble_start_function, assemble_end_function): Remove arguments
16023 from call to output_constant_pool.
16024 (create_constant_pool): New function, split out from...
16025 (init_varasm_status): ...here.
16026 (force_const_mem): Choose between the shared and per-function constant
16027 pools. Set current_function_uses_const_pool when reusing old entries
16028 as well as when creating new ones.
16029 (mark_constant): Ignore data argument.
16030 (mark_constants): Remove pool argument.
16031 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16032 to decide whether the function uses a constant pool.
16033 (output_constant_pool_contents): New function, split out from...
16034 (output_constant_pool): ...here.
16035 (output_shared_constant_pool): New function.
16036 (init_varasm_once): Initialize shared_constant_pool.
16037 * output.h (output_constant_pool): Delete.
16038 (output_shared_constant_pool): Declare.
16039 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16040 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16042 2006-03-06 Nick Clifton <nickc@redhat.com>
16044 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16045 flag_strength_reduce.
16047 2006-03-06 Ben Elliston <bje@au.ibm.com>
16049 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16050 x86_64-*-linux* configurations.
16052 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16053 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16055 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16057 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16059 * basic-block.h: Remove the extern for
16060 rediscover_loops_after_threading.
16062 * cfgloop.c (cancel_loop): Make it static.
16063 * cfgloop.h: Remove the prototype for cancel_loop.
16065 * flow.c (recompute_reg_usage): Make it static.
16066 * rtl.h: Remove the prototype for recompute_reg_usage.
16068 * function.c (use_return_register): Make it static.
16069 * function.h: Remove the prototype.
16071 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16073 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16075 * recog.h: Remove the prototype for
16076 validate_change_maybe_volatile.
16078 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16080 * rtlanal.c (replace_reg): Remove.
16081 * rtl.h: Remove the prototype for replace_reg.
16083 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16085 * regclass.c (reg_scan_update): Remove.
16086 (reg_scan_mark_refs): Remove the last argument.
16087 * rtl.h: Remove the prototype for reg_scan_update.
16089 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16091 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16092 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16093 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16094 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16095 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16096 loop-invariant.c, omp-low.c, opts.c, passes.c,
16097 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16098 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16099 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16100 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16101 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16102 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16104 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16106 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16107 * dwarf2out.h: Remove the prototype for
16108 dwarf2out_add_library_unit_info.
16110 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16112 * tree.c (add_var_to_bind_expr): Remove.
16113 * tree.h: Remove the prototype for add_var_to_bind_expr.
16115 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16117 * regclass.c (n_non_fixed_regs): Remove.
16118 (init_reg_sets_1, globalize_reg): Remove all uses of
16120 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16122 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16124 * rtlanal.c (insns_safe_to_move_p): Remove.
16125 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16127 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16129 * expmed.c (expand_mult_add): Remove.
16130 * expr.h: Remove the prototype for expand_mult_add.
16132 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16134 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16135 and REG_SAVED_VAL_EXP constants.
16136 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16137 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16138 Handle regs stored by value.
16139 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16140 (execute_cfa_program): Handle DW_CFA_val_offset,
16141 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16142 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16143 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16144 (uw_install_context_1): Handle target regs stored by value.
16146 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16148 * tree-sra.c (tree_sra): Return todoflags;
16149 (generate_one_element): Set TODO_update_smt_usage if needed.
16150 (pass_sra): Remove TODO_update_smt_usage.
16151 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16153 (tree_ssa_forward_propagate_single_use_vars): Return
16154 TODO_update_smt_usage if we need to update SMT usage.
16155 (pass_forwprop): Remove TODO_update_smt_usage.
16157 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16159 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16160 (correct_use_link): Remove reference to get_stmt_operands.
16161 (update_stmt_operands): Likewise.
16162 (get_modify_expr_operands): New function factored out of
16163 parse_ssa_operands and get_expr_operands.
16164 Try to create V_MUST_DEFs for LHS by default.
16165 (get_expr_operands) <case MODIFY_EXPR>: Call
16166 get_modify_expr_operands.
16167 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16168 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16169 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16170 get_modify_expr_operands.
16172 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16174 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16175 * tree-flow.h: Remove the prototype for
16176 referenced_var_lookup_if_exists.
16178 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16180 PR rtl-optimization/26345
16182 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16184 2006-03-03 Roger Sayle <roger@eyesopen.com>
16186 PR tree-optimization/26524
16187 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16188 fold_convert to create a constant of the appropriate type.
16190 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16192 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16193 SYMBOL_REF_IN_BLOCK_P.
16194 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16195 of SYMBOL_FLAG_IN_BLOCK.
16196 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16197 instead of SYMBOL_REF_IN_BLOCK_P.
16198 * explow.c (use_anchored_address): Likewise.
16199 * rtl.c (rtx_size): Likewise.
16200 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16201 instead of SYMBOL_FLAG_IN_BLOCK.
16202 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16203 SYMBOL_REF_IN_BLOCK_P.
16204 (assemble_variable): Likewise.
16205 (output_constant_def_contents): Likewise.
16206 (output_constant_pool): Likewise.
16207 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16208 instead of SYMBOL_FLAG_IN_BLOCK.
16209 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16210 SYMBOL_REF_IN_BLOCK_P.
16211 (SYMBOL_REF_BLOCK): Likewise.
16212 (SYMBOL_REF_OFFSET): Likewise.
16213 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16214 SYMBOL_REF_IN_BLOCK_P.
16215 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16216 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16217 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16218 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16220 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16222 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16224 2006-03-02 Roger Sayle <roger@eyesopen.com>
16226 * simplify-rtx.c (simplify_unary_operation): When simplifying
16227 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16228 that we perform the right shift in the appropriate mode, and
16229 then extend or truncate the result to requested mode.
16231 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16233 * gengtype.c (main): Handle double_int type.
16234 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16235 * double-int.c: New file.
16236 * double-int.h: New file.
16237 * system.h: Include doubleint.h.
16238 * Makefile.in (SYSTEM_H): Include double-int.h.
16239 (double-int.o): Add.
16241 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16244 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16247 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16249 * tree-vrp.c (remove_range_assertions): Do not update statements
16252 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16254 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16256 * gcse.c (rest_of_handle_gcse): Ditto.
16257 * except.c (gate_handle_eh): Ditto.
16258 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16259 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16261 2006-03-02 Eric Christopher <echristo@apple.com>
16263 * config/i386/i386.c (machopic_output_stub): Add indirection to
16266 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16270 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16272 Sun Niagara specific optimizations.
16273 * config.gcc: Recognize niagara as target.
16274 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16275 (TARGET_CPU_niagara): Define.
16276 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16277 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16278 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16279 (ASM_CPU_SPEC): Likewise.
16280 (PROCESSOR_NIAGARA): New enum entry.
16281 (REGISTER_MOVE_COST): Handle Niagara.
16282 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16283 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16284 (sparc_override_options): Recognize "niagara", set appropriate
16285 default MASK_* values for it, and align functions to 32-bytes
16286 by default just like ULTRASPARC/ULTRASPARC3.
16287 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16288 (sparc64_initialize_trampoline): Likewise.
16289 (sparc_use_sched_lookahead): Use zero for niagara.
16290 (sparc_issue_rate): Use one for niagara.
16291 * config/sparc/niagara.md: New file.
16292 * config/sparc/sparc.md: Include it.
16293 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16294 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16295 when default cpu is niagara.
16296 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16297 (ASM_CPU_SPEC): Likewise.
16298 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16299 when default cpu is niagara.
16300 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16301 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16302 just like v9/ultrasparc/ultrasparc3.
16303 * doc/invoke.texi: Add documentation for "niagara" and improve
16304 existing documentation for ultrasparc variants.
16306 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16308 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16310 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16312 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16313 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16314 and say that only one is needed.
16315 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16316 * target.h (have_switchable_bss_sections): New hook.
16317 * explow.c (use_anchored_address): Check that the symbol is in a block.
16318 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16319 (bss_noswitch_section): New variables.
16320 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16321 (get_noswitch_section): New function.
16322 (get_block_for_section): Allow SECT to be null.
16323 (unlikely_text_section_p): Use SECTION_STYLE.
16324 (bss_initializer_p): New function.
16325 (get_variable_section): Move earlier in file. Take a new argument,
16326 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16327 Return one of the new *_sections in such cases.
16328 (get_block_for_decl): New function, extracting some logic from
16329 use_blocks_for_decl_p.
16330 (change_symbol_section): Remove in favor of...
16331 (change_symbol_block): ...this new function.
16332 (use_blocks_for_decl_p): Remove checks now performed by
16333 get_block_for_decl.
16334 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16335 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16336 (emit_local, emit_bss, emit_common): ...these new functions.
16337 Return true if the alignment was honored.
16338 (emit_tls_common): New function.
16339 (asm_emit_uninitialised): Delete.
16340 (assemble_variable_noswitch): New function, split out from...
16341 (assemble_variable): ...here. Don't make decisions about common
16342 variables here. Globalize all public decls that go into non-common
16343 sections. Check whether SYMBOL_REF_BLOCK is null.
16344 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16345 (output_constant_pool): Likewise.
16346 (init_varasm_once): Initialize the new section variables.
16347 (have_global_bss_p): New function.
16348 (categorize_decl_for_section): Use bss_initializer_p.
16349 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16350 (place_block_symbol): Assert that the symbol must be in a block.
16351 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16352 (TARGET_INITIALIZER): Include it.
16353 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16354 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16355 (SECTION_MACH_DEP): Bump by two.
16356 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16357 (unnamed_section): Mention SECTION_UNNAMED in comment.
16358 (named_section): Likewise SECTION_NAMED.
16359 (noswitch_section_callback): New type.
16360 (noswitch_section): New structure.
16361 (section): Add a noswitch_section alternative.
16362 (SECTION_STYLE): New macro.
16363 (tls_comm_section, comm_section, lcomm_section): Declare.
16364 (bss_noswitch_section, have_global_bss_p): Declare.
16365 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16366 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16368 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16369 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16372 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16374 * tree-vrp.c (execute_vrp): Return value.
16375 * regrename.c (rest_of_handle_regrename): Ditto.
16376 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16377 * tree-complex.c (tree_lower_complex): Ditto.
16378 (tree_lower_complex_O0): Ditto.
16379 * tracer.c (rest_of_handle_tracer): Ditto.
16380 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16381 * postreload.c (rest_of_handle_postreload): Ditto.
16382 * tree-tailcall.c (execute_tail_recursion): Ditto.
16383 (execute_tail_calls): Ditto.
16384 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16385 * tree.h (init_function_for_compilation): Ditto.
16386 * ipa-cp.c (ipcp_driver): Ditto.
16387 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16388 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16389 * final.c (compute_alignments): Ditto.
16390 (rest_of_handle_final): Ditto.
16391 (rest_of_handle_shorten_branches): Ditto.
16392 (rest_of_clean_state): Ditto.
16393 * omp-low.c (execute_expand_omp): Ditto.
16394 (execute_lower_omp): Ditto.
16395 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16396 * ipa-reference.c (static_execute): Ditto.
16397 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16398 * reorg.c (rest_of_handle_delay_slots): Ditto.
16399 (rest_of_handle_machine_reorg): Ditto.
16400 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16401 * flow.c (recompute_reg_usage): Ditto.
16402 (rest_of_handle_remove_death_notes): Ditto.
16403 (rest_of_handle_life): Ditto.
16404 (rest_of_handle_flow2): Ditto.
16405 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16406 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16407 (do_ssa_store_ccp): Ditto.
16408 (execute_fold_all_builtins): Ditto.
16409 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16410 * modulo-sched.c (rest_of_handle_sms): Ditto.
16411 * ipa-pure-const.c (static_execute): Ditto.
16412 * cse.c (rest_of_handle_cse): Ditto.
16413 (rest_of_handle_cse2): Ditto.
16414 * web.c (rest_of_handle_web): Ditto.
16415 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16416 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16417 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16418 * tree-nrv.c (tree_nrv): Ditto.
16419 (execute_return_slot_opt): Ditto.
16420 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16421 (create_structure_vars): Ditto.
16422 * loop-init.c (rtl_loop_init): Ditto.
16423 (rtl_loop_done): Ditto.
16424 (rtl_move_loop_invariants): Ditto.
16425 (rtl_unswitch): Ditto.
16426 (rtl_unroll_and_peel_loops): Ditto.
16427 (rtl_doloop): Ditto.
16428 * gimple-low.c (lower_function_body): Ditto.
16429 (mark_used_blocks): Ditto.
16430 * tree-ssa-sink.c (execute_sink_code): Ditto.
16431 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16432 (cgraph_early_inlining): Ditto.
16433 * global.c (rest_of_handle_global_alloc): Ditto.
16434 * jump.c (cleanup_barriers): Ditto.
16435 (purge_line_number_notes): Ditto.
16436 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16437 (rest_of_handle_if_after_reload): Ditto.
16438 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16439 (tree_ssa_loop_im): Ditto.
16440 (tree_ssa_loop_unswitch): Ditto.
16441 (tree_vectorize): Ditto.
16442 (tree_linear_transform): Ditto.
16443 (tree_ssa_loop_ivcanon): Ditto.
16444 (tree_ssa_empty_loop): Ditto.
16445 (tree_ssa_loop_bounds): Ditto.
16446 (tree_complete_unroll): Ditto.
16447 (tree_ssa_loop_prefetch): Ditto.
16448 (tree_ssa_loop_ivopts): Ditto.
16449 (tree_ssa_loop_done): Ditto.
16450 * predict.c (tree_estimate_probability): Ditto.
16451 * recog.c (split_all_insns_noflow): Ditto.
16452 (rest_of_handle_peephole2): Ditto.
16453 (rest_of_handle_split_all_insns): Ditto.
16454 * tree-eh.c (lower_eh_constructs): Ditto.
16455 * regmove.c (rest_of_handle_regmove): Ditto.
16456 (rest_of_handle_stack_adjustments): Ditto.
16457 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
16458 * function.c (instantiate_virtual_regs): Ditto.
16459 (init_function_for_compilation): Ditto.
16460 (rest_of_handle_check_leaf_regs): Ditto.
16461 * gcse.c (rest_of_handle_jump_bypass): Ditto.
16462 (rest_of_handle_gcse): Ditto.
16463 * ipa-type-escape.c (type_escape_execute): Ditto.
16464 * alias.c (rest_of_handle_cfg): Ditto.
16465 * tree-if-conv.c (main_tree_if_conversion): Ditto.
16466 * profile.c (rest_of_handle_branch_prob): Ditto.
16467 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
16468 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
16469 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
16470 * tree-dfa.c (find_referenced_vars): Ditto.
16471 * except.c (set_nothrow_function_flags): Ditto.
16472 (convert_to_eh_region_ranges): Ditto.
16473 (rest_of_handle_eh): Ditto.
16474 * emit-rtl.c (unshare_all_rtl): Ditto.
16475 (remove_unnecessary_notes): Ditto.
16476 * except.h (set_nothrow_function_flags): Ditto.
16477 (convert_to_eh_region_ranges): Ditto.
16478 * cfgexpand.c (tree_expand_cfg): Ditto.
16479 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
16480 * tree-ssa-pre.c (do_pre): Ditto.
16481 (execute_fre): Ditto.
16482 * cfgcleanup.c (rest_of_handle_jump): Ditto.
16483 (rest_of_handle_jump2): Ditto.
16484 * tree-sra.c (tree_sra): Ditto.
16485 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16486 (execute_mudflap_function_decls): Ditto.
16487 * tree-ssa-copy.c (do_copy_prop): Ditto.
16488 (do_store_copy_prop): Ditto.
16489 * ipa-prop.h (ipcp_driver): Ditto.
16490 * cfglayout.c (insn_locators_initialize): Ditto.
16491 * tree-ssa-forwprop.c
16492 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16493 * cfglayout.h (insn_locators_initialize): Ditto.
16494 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16495 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16496 (execute_late_warn_uninitialized): Ditto.
16497 * rtl.h (cleanup_barriers): Ditto.
16498 (split_all_insns_noflow): Ditto.
16499 (purge_line_number_notes): Ditto.
16500 (unshare_all_rtl): Ditto.
16501 (remove_unnecessary_notes): Ditto.
16502 (recompute_reg_usage): Ditto.
16503 (variable_tracking_main): Ditto.
16504 * integrate.c (emit_initial_value_sets): Ditto.
16505 * integrate.h (emit_initial_value_sets): Ditto.
16506 * tree-optimize.c (execute_free_datastructures): Ditto
16507 (execute_free_cfg_annotations): Ditto.
16508 (execute_fixup_cfg): Ditto.
16509 (execute_cleanup_cfg_pre_ipa): Ditto.
16510 (execute_cleanup_cfg_post_optimizing): Ditto.
16511 (execute_init_datastructures): Ditto.
16512 * tree-object-size.c (compute_object_sizes): Ditto.
16513 * combine.c (rest_of_handle_combine): Ditto.
16514 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16515 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16516 (rest_of_handle_reorder_blocks): Ditto.
16517 (rest_of_handle_partition_blocks): Ditto.
16518 * var-tracking.c (variable_tracking_main): Ditto.
16519 * tree-profile.c (tree_profiling): Ditto.
16520 * tree-vect-generic.c (expand_vector_operations): Ditto.
16521 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16522 * sched-rgn.c (rest_of_handle_sched): Ditto.
16523 (rest_of_handle_sched2): Ditto.
16524 * basic-block.h (free_bb_insn): Ditto.
16525 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16526 * tree-cfg.c (execute_build_cfg): Ditto.
16527 (remove_useless_stmts): Ditto.
16528 (split_critical_edges): Ditto.
16529 (execute_warn_function_return): Ditto.
16530 (execute_warn_function_noreturn): Ditto.
16531 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16532 * cfgrtl.c (free_bb_for_insn): Ditto.
16533 * passes.c (execute_one_pass): Run additional
16534 todos returned by execute function.
16535 * tree-pass.h (struct tree_opt_pass): Make execute
16538 2006-03-02 Richard Guenther <rguenther@suse.de>
16540 * tree-ssa-alias.c (find_used_portions): Consider taking
16541 the address as making the variable not write-only.
16543 2006-03-02 Nick Clifton <nickc@redhat.com>
16545 * config.gcc (default_use_cxa_atexit): Extend the description of
16546 this configure variable. Set its default value to "yes" for
16547 Linux, NetBSD and ELF targets on the assumption that they will
16548 use C libraries with the __cxa_atexit function.
16550 2006-03-02 Ben Elliston <bje@au.ibm.com>
16552 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16553 parameter as unused to suppress a build warning.
16555 2006-03-02 Ben Elliston <bje@au.ibm.com>
16557 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16560 2006-03-01 Roger Sayle <roger@eyesopen.com>
16563 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16564 declared name, the weak reference name, and the typeof name.
16565 (__gthrw): Avoid expanding the declared name suffix.
16566 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16568 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16570 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16572 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16573 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16574 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16575 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16576 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16577 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16578 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16579 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16580 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16581 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16582 (DW_END_default, DW_END_big, DW_END_little): New.
16583 (DW_END_lo_user, DW_END_hi_user): Define.
16584 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16585 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16586 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16589 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16591 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16593 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16595 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16597 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16599 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16600 to 'symbol_mem_tag'.
16602 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16605 2006-03-01 Roger Sayle <roger@eyesopen.com>
16607 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16609 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16612 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16613 MACHO_DYNAMIC_NO_PIC_P.
16614 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16616 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16619 * config/darwin-protos.h (darwin_asm_output_anchor):
16621 * config/darwin-sections.def (cstring_section):
16622 Add SECTION_MERGE to the flags.
16623 (literal4_section): Likewise.
16624 (literal8_section): Likewise.
16625 (objc_selector_refs_section): Likewise.
16626 (objc_cls_refs_section): Likewise.
16627 * config/darwin.c (darwin_asm_output_anchor): New
16629 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16631 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
16633 Fix PR tree-optimization/26443
16634 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
16635 to todo and PROP_tmt_usage to properties_destroyed.
16636 * tree-ssa-ccp.c (pass_ccp): Ditto.
16637 (pass_store_ccp): Ditto.
16638 * tree-ssa-dom.c (pass_dominator): Ditto.
16640 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16642 * tree-ssa-operands.c: Cleanup whitespace.
16643 (get_asm_expr_operands): Move before first invocation.
16644 (get_indirect_ref_operands): Likewise.
16645 (get_tmr_operands): Likewise.
16646 (get_call_expr_operands): Likewise.
16647 (append_def): Likewise.
16648 (append_use): Likewise.
16649 (append_v_may_def): Likewise.
16650 (append_v_must_def): Likewise.
16651 (add_call_clobber_ops): Likewise.
16652 (add_call_read_ops): Likewise.
16653 (add_stmt_operand): Likewise.
16654 (add_virtual_operand): Likewise.
16655 (build_ssa_operands): Likewise.
16657 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16659 PR middle-end/26022
16661 PR middle-end/24437
16662 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16663 with a call expr to ...
16664 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16666 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16668 * tree-vrp.c (extract_range_from_assert): Remove special
16669 handling for types with super-types.
16671 2006-03-01 Ben Elliston <bje@au.ibm.com>
16673 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16674 and powerpc64-*-linux* configurations.
16675 * config/t-dfprules: New file.
16677 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16678 Compile dfp-bit.c from the source directory using -DWIDTH and
16679 $DFP_CFLAGS to control the compilation of that file, rather than
16680 generating width-specific versions in the build directory.
16681 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16682 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16684 2006-02-28 Zack Weinberg <zackw@panix.com>
16686 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16689 2006-02-28 Eric Christopher <echristo@apple.com>
16691 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16692 Set up IN_LIBGCC definition of TARGET_64BIT.
16693 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16695 2006-02-28 Roger Sayle <roger@eyesopen.com>
16697 PR middle-end/14752
16698 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16699 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16700 cases via the construction of "expr != 0".
16702 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16704 * alias.c (alias_invariant, alias_invariant_size): Remove.
16705 (record_base_value): Remove.
16706 (memrefs_conflict_p): Don't look at alias_invariant.
16707 (end_alias_analysis): Don't free it.
16708 * alias.h (record_base_value): Remove prototype.
16710 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
16711 Adam Nemet <anemet@caviumnetworks.com>
16713 * rtl.h (truncated_to_mode): Declare it.
16714 (struct rtl_hooks): Add reg_truncated_to_mode hook.
16715 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
16716 (RTL_HOOKS_INITIALIZER): Include it.
16717 * rtlhooks.c (reg_truncated_to_mode_general): New function.
16718 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
16719 reg_truncated_to_mode.
16720 * rtlanal.c (truncated_to_mode): Define it.
16721 * simplify-rtx.c (simplify_unary_operation_1): Use it.
16723 2006-02-28 Jeff Law <law@redhat.com>
16725 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
16726 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
16727 the range allowed by TYPE_PRECISION.
16729 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
16731 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
16733 PR tree-optimization/26419
16734 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
16737 2006-02-27 Zack Weinberg <zackw@panix.com>
16739 * doc/md.texi: Fix typo in previous change.
16741 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
16745 2006-02-27 Zack Weinberg <zackw@panix.com>
16747 * rtl.def (define_constraint, define_register_constraint)
16748 (define_memory_constraint, define_address_constraint): New MD forms.
16749 * gensupport.c (process_rtx): Put define_constraint etc on the
16751 * genpreds.c (process_define_predicate): Adjust comment. Validate
16752 the name, and call validate_exp to validate the expression.
16753 (mark_mode_tests, write_extract_subexp): Can assume correct input.
16754 (write_predicate_expr): Likewise. NAME argument no longer necessary;
16755 all callers changed.
16756 (validate_exp, needs_variable, struct constraint_data)
16757 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
16758 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
16759 (const_dbl_constraints, constraint_max_namelen)
16760 (have_register_constraints, have_memory_constraints)
16761 (have_address_constraints, have_address_constraints)
16762 (have_extra_constraints, have_const_int_constraints)
16763 (have_const_dbl_constraints, mangle, add_constraint)
16764 (process_define_constraint, process_define_register_constraint)
16765 (write_enum_constraint_num, write_lookup_constraint)
16766 (write_insn_constraint_len, write_regclass_for_constraint)
16767 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
16768 (write_insn_extra_memory_constraint)
16769 (write_insn_extra_address_constraint)
16770 (write_satisfies_constraint_fns): New.
16771 (write_tm_preds_h): If we have new-style constraint definitions,
16772 prototype the functions generated from them, and define the
16773 old constraint interface (still used by generic code) in terms of
16775 (write_insn_preds_c): If we have new-style constraint definitions,
16776 generate all relevant functions from those definitions.
16777 (main): Handle define_constraint etc.
16778 * genoutput.c (struct constraint_data, indep_constraints)
16779 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
16780 (mdep_constraint_len): New data structures and functions, defined
16781 #ifdef USE_MD_CONSTRAINTS.
16782 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
16783 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
16784 use new logic to validate operand constraints against constraint
16786 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
16788 * defaults.h: If none of the old-style constraint macros are
16789 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
16790 old-style macros; and poison REG_CLASS_FROM_LETTER,
16791 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
16793 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
16794 * doc/md.texi: Document new constraint-definition mechanism and the
16795 C interface it provides. Remove references to old mechanism
16796 elsewhere in the document.
16797 (Machine Constraints): Use pathnames relative to gcc directory,
16798 i.e. config/ARCH/FILE. Change i386 section to refer to
16799 config/i386/predicates.md; update that section to match docstrings.
16800 * doc/tm.texi: Move all documentation of the old constraint-
16801 definition macros to their own section, clearly mark as obsolete.
16803 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
16804 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
16806 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
16807 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
16808 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
16809 constraint strings.
16810 (splits and peepholes): Use satisfies_constraint_*.
16811 * config/i386/i386.c (memory_address_length)
16812 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
16814 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16816 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
16817 scalar operation to be put back into the loop.
16819 2006-02-27 Jakub Jelinek <jakub@redhat.com>
16822 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
16823 (extract_cie_info): Handle S flag in augmentation string.
16824 (execute_cfa_program): If context->signal_frame, execute also
16825 fs->pc == context->ra instructions.
16826 (uw_frame_state_for): If context->signal_frame, don't subtract one
16827 from context->ra to find FDE.
16828 (uw_update_context_1): Set context->signal_frame to
16830 (_Unwind_GetIPInfo): New function.
16831 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
16832 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
16834 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
16835 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
16836 * unwind-compat.c (_Unwind_GetIPInfo): New function.
16837 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
16838 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
16839 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
16840 * config/i386/linux-unwind.h (x86_fallback_frame_state,
16841 x86_64_fallback_frame_state): Set fs->signal_frame.
16842 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
16843 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
16844 (frob_update_context): Likewise. Workaround missing S flag in
16845 Linux 2.6.12 - 2.6.16 kernel vDSOs.
16846 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
16847 Remove the psw_addr + 1 hack.
16849 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16851 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
16852 with aggregates here.
16853 (find_func_aliases): Remove code for &<aggregate> from here.
16855 2006-02-26 Roger Sayle <roger@eyesopen.com>
16857 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
16858 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
16859 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
16860 as (X & C) ne/eq 0.
16862 2006-02-26 Roger Sayle <roger@eyesopen.com>
16864 PR middle-end/19983
16865 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
16867 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
16869 * opts.c (decode_options): Do not handle flag_strength_reduce.
16870 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
16871 and OPT_fstrength_reduce.
16872 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
16873 flag_prefetch_loop_arrays for being nonzero.
16874 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
16876 (fprefetch-loop-arrays-rtl): Removed.
16877 (flag_prefetch_loop_arrays): Do not specify the value.
16879 * doc/passes.texi: Update documentation of loop optimizer
16881 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
16882 -frerun-loop-opt): Remove.
16884 2006-02-26 Richard Guenther <rguenther@suse.de>
16886 PR tree-optimization/26421
16887 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
16888 in function calls that are ADDR_EXPRs as using the whole structure.
16890 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
16892 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
16893 * tree-pass.h (pass_loop_optimize): Remove.
16894 * passes.c (pass_loop_optimize): Never run it.
16895 * toplev.c (backend_init): Don't call init_loop.
16896 * opts.c (flag_loop_optimize_set): Remove.
16897 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
16898 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
16899 the old RTL loop optimizer when profiling enabled.
16900 * predict.c (tree_estimate_probability): Always strip builtin_expect.
16901 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
16902 pre-headers for the sake of the old RTL loop optimizer.
16903 * Makefile.in: Remove all references to loop.o.
16905 * doc/invoke.texi: Remove all references to -floop-optimize
16906 and -frerun-loop-opt.
16908 2006-02-26 Zack Weinberg <zackw@panix.com>
16910 * doc/md.texi (Machine Constraints): Refer to all files with paths
16911 relative to gcc directory (i.e. config/CPU/file). Add missing
16912 @table @code ... @end table to M32C subsection.
16914 2006-02-26 Roger Sayle <roger@eyesopen.com>
16916 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
16918 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
16920 2006-02-26 Roger Sayle <roger@eyesopen.com>
16921 James A. Morrison <phython@gcc.gnu.org>
16923 PR middle-end/21137
16924 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
16925 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
16926 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
16927 signedness of the shift operation.
16929 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
16931 PR tree-optimization/26359
16932 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
16934 2006-02-25 Roger Sayle <roger@eyesopen.com>
16936 * simplify-rtx.c (simplify_relational_operation_1): Simplify
16937 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
16938 as X == 0, and some symmetry related transformations.
16939 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
16941 2006-02-25 Roger Sayle <roger@eyesopen.com>
16943 PR middle-end/23673
16944 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
16945 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
16946 symmetry related transformations. Fold (X^C1) == C2 as
16949 2006-02-25 Juergen Weigert <jw@suse.de>
16950 Richard Guenther <rguenther@suse.de>
16952 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
16954 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
16956 * combine.c (gen_lowpart_or_truncate): Call
16957 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
16959 2006-02-24 Diego Novillo <dnovillo@redhat.com>
16961 * doc/invoke.texi: Move -fopenmp description to "Options for
16963 Remove reference to -lgomp.
16965 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16967 * doc/install.texi: Require GNU tar version 1.14.
16969 2006-02-24 Geoffrey Keating <geoffk@apple.com>
16971 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
16972 * doc/invoke.texi (C++ Dialect Options): Document
16973 -fno-use-cxa-get-exception-ptr.
16974 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
16975 * configure: Regenerate.
16976 * c.opt (fuse-cxa-get-exception-ptr): New.
16977 * c-opts.c (c_common_handle_option): Handle
16978 OPT_fuse_cxa_get_exception_ptr.
16979 * c-common.c (flag_use_cxa_atexit): Update documentation.
16980 (flag_use_cxa_get_exception_ptr): New.
16981 * c-common.h (flag_use_cxa_get_exception_ptr): New.
16982 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
16984 (C_COMMON_OVERRIDE_OPTIONS): New.
16986 2006-02-24 Roger Sayle <roger@eyesopen.com>
16988 PR middle-end/24952
16989 * combine.c (try_combine): Explicitly check whether GET_CODE is
16990 a SET or a CLOBBER, instead on checking that it isn't a USE.
16992 2006-02-24 Roger Sayle <roger@eyesopen.com>
16994 * fold-const.c (fold_comparison): New subroutine of fold_binary
16995 containing transformations common to both the equality and
16996 ordering relational operators, factored out of fold_binary.
16997 (fold_binary): Separate out the equality operators (EQ_EXPR
16998 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
16999 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17000 transformations common to both.
17001 (fold_div_compare): Fix latent bugs in the previously unreachable
17002 LT_EXPR and GE_EXPR cases.
17004 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17006 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17007 decl libname for clog to __clog on AIX.
17009 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17011 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17014 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17015 output traceback table for thunks. Localise rs6000_stack_info call.
17017 2006-02-23 Roger Sayle <roger@eyesopen.com>
17018 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17020 * gthr-posix.h (__gthrw): Fix typo in comment.
17022 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17024 * doc/cpp.texi (Character sets): Document that we do support
17025 input files to be in any character set.
17027 2006-02-23 Jeff Law <law@redhat.com>
17029 * tree.h (PHI_ARG_NONZERO): Remove.
17030 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17031 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17032 node to the new node.
17034 PR tree-optimization/26425
17035 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17036 min/max, then assume its varying.
17038 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17040 PR rtl-optimization/26316
17041 * rtlanal.c (enum may_trap_p_flags): New.
17042 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17043 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17044 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17045 (may_trap_after_code_motion_p): New function.
17046 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17047 (find_invariant_insn): Use may_trap_after_code_motion_p.
17048 * rtl.h (may_trap_after_code_motion_p): Declare.
17050 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17052 * emit-rtl.c (immed_double_const): Cleanup.
17054 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17056 Fix PR tree-optimization/26376
17057 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17060 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17062 PR middle-end/26412
17063 * gimplify.c (omp_add_variable): Guard variable size decl test with
17064 DECL_SIZE (decl) check.
17066 2006-02-23 Richard Guenther <rguenther@suse.de>
17068 PR middle-end/26439
17069 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17070 like aggregate types.
17072 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17074 * configure.ac: Add --with{,out}-long-double-128 configure option.
17075 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17076 * configure: Rebuilt.
17077 * config.in: Rebuilt.
17078 * doc/install.texi (Options specification): Document
17079 --with-long-double-128.
17081 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17082 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17083 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17084 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17086 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17088 * config/s390/s390.c (override_options): Handle
17089 TARGET_DEFAULT_LONG_DOUBLE_128.
17091 * config/alpha/alpha.c (override_options): Handle
17092 TARGET_DEFAULT_LONG_DOUBLE_128.
17094 * config/sparc/sparc.c (sparc_override_options): Handle
17095 TARGET_DEFAULT_LONG_DOUBLE_128.
17097 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17099 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17100 (real-install-headers-tar, real-install-headers-cpio)
17101 (real-install-headers-cp): New targets.
17103 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17105 * tree.h (variable_section): Delete.
17106 * varasm.c (variable_section): Delete.
17108 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17110 * install.texi: Add notes on install.texi2html.
17111 (Building in parallel): Do not use footnotes.
17113 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17116 * doc/install.texi (Configuration): Document --disable-libgomp.
17118 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17120 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17122 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17124 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17125 (vec_extractv2df_0_sse): New.
17127 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17129 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17130 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17131 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17132 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17133 to the result of the expression.
17134 (def_cfa_1): Adjust.
17135 (frame_pointer_cfa_offset): Rename to...
17136 (frame_pointer_fb_offset): ... this. Adjust all uses.
17137 (convert_cfa_to_loc_list): Rename to...
17138 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17139 Pass it on to build_cfa_loc.
17140 (compute_frame_pointer_to_cfa_displacement): Rename to...
17141 (compute_frame_pointer_to_fb_displacement): ... this. New
17142 offset parameter. Use it in computation.
17143 (gen_subprogram_die): Compute cfa_fb_offset with the new
17144 macro, and use it to compute the fb loc list and the
17147 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17149 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17150 replaced with register_operand.
17151 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17152 non-DREG is expensive.
17153 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17154 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17157 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17159 * doc/install.texi2html: Use set -e.
17161 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17163 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17164 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17165 * doc/invoke.texi (-fshared-data): Delete.
17166 * common.opt (fshared-data): Delete.
17167 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17168 (assemble_static_space): Remove #if 0 code.
17169 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17170 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17171 * config/cris/cris.h: Remove FIXME.
17173 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17175 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17178 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17180 PR middle-end/26379
17181 * combine.c (simplify_shift_const_1): Disable nested shifts
17182 optimization for vector shifts.
17184 2006-02-20 Roger Sayle <roger@eyesopen.com>
17186 PR tree-optimization/26361
17187 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17188 of unsigned integer types.
17190 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17192 * tree-chrec.c (eq_evolutions_p): New.
17193 * tree-chrec.h (eq_evolutions_p): Declared.
17194 * tree-data-ref.c: Fix formatting.
17195 (datadep_stats, dependence_stats): New.
17197 (print_direction_vector): New.
17198 (dump_data_dependence_relation): Use print_direction_vector.
17199 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17200 (compute_subscript_distance): Static.
17201 (initialize_data_dependence_relation): Static. Get the number
17202 of loops surrounding the references from the callers, and initialize
17203 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17204 base_object_differ_p analyzers.
17205 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17206 compute_overlap_steps_for_affine_1_2,
17207 analyze_subscript_affine_affine): Count the classified dependences.
17208 Print a message when a test failed.
17209 (can_use_analyze_subscript_affine_affine): New.
17210 (analyze_siv_subscript): Compute the data dependences on symbolic
17211 scevs that verify can_use_analyze_subscript_affine_affine.
17212 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17213 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17214 Handle symbolic scevs.
17215 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17217 (subscript_dependence_tester): Moved...
17218 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17219 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17220 DDR_SIZE_VECT instead of getting it in parameter.
17221 (subscript_dependence_tester): ... here. Take as a parameter
17222 loop_nest_depth. Call build_classic_dist_vector and
17223 build_classic_dir_vector.
17224 (compute_affine_dependence): Update subscript_dependence_tester
17225 parameters. Update datadep_stats counters. Call
17226 compute_subscript_distance.
17227 (compute_self_dependence): Save the dist and dir vectors. Call
17228 compute_subscript_distance.
17229 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17230 (compute_all_dependences): Reorder parameters as they were before
17231 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17232 compute_subscript_distance. Update the use of
17233 compute_affine_dependence and initialize_data_dependence_relation.
17234 (find_data_references_in_loop): Handle COMPONENT_REF.
17235 (compute_data_dependences_for_loop): Initialize dependence_stats.
17236 Don't call build_classic_dist_vector and build_classic_dir_vector.
17237 Update the parameters of initialize_data_dependence_relation and
17238 compute_all_dependences. Print the statistics from datadep_stats.
17239 (analyze_all_data_dependences): Static. Not used until the pass for
17240 checking the data dependences is contributed.
17241 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17242 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17243 (initialize_data_dependence_relation, compute_affine_dependence,
17244 analyze_all_data_dependences, compute_subscript_distance): Removed.
17245 (print_direction_vector): New.
17246 * lambda.h (gcd): ... here.
17247 (lambda_vector_gcd): Moved here from gcd_vector.
17248 * lambda-code.c (gcd, gcd_vector): Removed.
17249 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17250 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17252 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17254 * ipa-type-escape.c: Tidy some comments and white space.
17255 * tree-ssa-operands.c: Likewise.
17257 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17260 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17261 (dump_decl_name): Do not walk the decl tree chains.
17262 * tree-pass.h (TDF_CHAIN): Remove.
17264 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17266 * Makefile.in (C): Remove
17268 (.PHONY): Remove C and PROTO
17270 2006-02-20 Roger Sayle <roger@eyesopen.com>
17272 PR middle-end/26236
17273 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17274 deprecated CHAR_TYPE tree code.
17276 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17278 * configure.ac (target_list): Add install-info, dvi, html.
17279 * configure: Regenerate.
17281 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17282 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17283 treelang/Make-lang.in: Do not use double-colon rules.
17285 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17287 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17288 (TMT_USED_ALONE): New macro.
17289 * tree-pass.h (PROP_tmt_usage): New property.
17290 (TODO_update_tmt_usage): New todo.
17291 * tree-ssa-alias.c (updating_used_alone): New variable.
17292 (recalculate_used_alone): New function.
17293 (compute_may_aliases): Set updating_used_alone, call
17294 recalculate_used_alone.
17295 * tree-sra.c (pass_sra): Note that this pass destroys
17296 PROP_tmt_usage, and add TODO_update_tmt_usage.
17297 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17298 * tree-flow.h (updating_used_alone): Prototype.
17299 (recalculate_used_alone): Ditto.
17300 * passes.c (execute_todo): Add code to set updating_used_alone,
17301 and call recalculate.
17302 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17303 for clobber if used alone, and add assert to verify used_alone
17306 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17308 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17309 for non tls symbols added.
17310 (legitimize_address): Do nothing for PLUS expressions if one of the
17311 addends is a tls symbol reference.
17313 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17317 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17319 * Makefile.in (BOOTSTRAPPING): New.
17320 (quickstrap): New definition if BOOTSTRAPPING=yes.
17322 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17323 * configure.ac: Substitute all_selected_languages with the languages
17324 that were configured. For all the other variables except
17325 lang_specs_files, include all the languages in the tree.
17326 * configure: Regenerate.
17328 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17329 if there is one. Run the commands to run fixincludes in the same
17332 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17333 * doc/install.texi: Document exact conventions for searching target tools.
17334 Document --with-build-time-tools. Document toplevel bootstrap. Document
17335 something more about building an Ada cross-compiler. Don't list GNU Make
17336 requirements which affect all platforms.
17338 2006-02-19 Roger Sayle <roger@eyesopen.com>
17340 PR middle-end/19543
17341 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17342 only equivalent if the have both the same mode and precision.
17344 2006-02-20 Ben Elliston <bje@au.ibm.com>
17346 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17348 2006-02-19 Roger Sayle <roger@eyesopen.com>
17349 Steven Bosscher <stevenb.gcc@gmail.com>
17351 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17352 constant pool references to identify stack mode constants.
17353 * rtlanal.c (constant_pool_constant_p): New predicate to check
17354 whether operand is a floating point constant in the pool.
17355 * rtl.h (constant_pool_constant_p): Prototype here.
17356 * loop.c (scan_loop): Avoid hoisting constants from the constant
17357 pool on STACK_REGS targets.
17358 (load_mems): Likewise.
17359 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17360 loads into x87 registers expensive in terms of register pressure.
17362 2006-02-19 Roger Sayle <roger@eyesopen.com>
17364 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17365 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17367 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17369 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17370 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17372 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17374 * doc/invoke.texi: Document -fipa-pta.
17375 * common.opt: Add ipa-pta option.
17376 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17377 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17378 (do_ds_constraint): Ditto.
17379 (get_constraint_for): Only add to referenced_vars if
17380 referenced_vars exists.
17381 (insert_into_field_list): Rewrite to do this unsorted.
17382 (insert_into_field_list_sorted): Rename old insert_into_field_list
17384 (create_function_info_for): Use insert_into_field_list_sorted.
17385 (create_variable_info_for): Rewrite so it uses unsorted version,
17386 since the field list is sorted.
17387 (intra_create_variable_infos): Only add to referenced_vars if
17388 referenced_vars exists.
17389 (ipa_pta_execute): Init heapvars, and delete when done.
17390 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17392 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17394 * doc/install.texi: Add missing `@samp'.
17396 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17398 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17401 2006-02-18 Mark Wielaard <mark@klomp.org>
17403 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17404 who added new 4.1 features, bug fixes and integration support.
17406 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17409 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17410 MEM for ABI_V4 pic.
17412 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17414 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17415 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17416 (copy_insn_1): Likewise. Don't copy each field individually.
17418 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17420 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17421 * rtl.c (rtx_size): Rename variable to...
17422 (rtx_code_size): ...this.
17423 (rtx_size): New function.
17424 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17425 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17427 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17428 * rtl.h (rtx_code_size): New variable.
17429 (rtx_size): Change from a variable to a function.
17430 (RTX_SIZE): Rename to...
17431 (RTX_CODE_SIZE): ...this.
17434 PR tree-optimization/17106
17435 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17436 (Anchored Addresses): New section.
17437 * doc/invoke.texi (-fsection-anchors): Document.
17438 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17439 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17440 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17441 * hooks.c (hook_bool_mode_rtx_false): New function.
17442 * hooks.h (hook_bool_mode_rtx_false): Declare.
17443 * gengtype.c (create_optional_field): New function.
17444 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17445 SYMBOL_REF_IN_BLOCK_P is true.
17446 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17447 (min_anchor_offset, max_anchor_offset): Likewise.
17448 (use_anchors_for_symbol_p): New hook.
17449 * toplev.c (compile_file): Call output_object_blocks.
17450 (target_supports_section_anchors_p): New function.
17451 (process_options): Check that -fsection-anchors is only used on
17452 targets that support it and when -funit-at-a-time is in effect.
17453 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
17454 if the decl doesn't have one.
17455 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
17456 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
17457 of force_const_mem through use_anchored_address.
17458 (expand_expr_constant): New function.
17459 (expand_expr_addr_expr_1): Call it. Use the same modifier when
17460 calling expand_expr for INDIRECT_REF.
17461 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
17462 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
17463 * expr.h (use_anchored_address): Declare.
17464 * loop-unroll.c: Don't declare rtx vectors here.
17465 * explow.c: Include output.h.
17466 (validize_mem): Call use_anchored_address.
17467 (use_anchored_address): New function.
17468 * common.opt (-fsection-anchors): New switch.
17469 * varasm.c (object_block_htab, anchor_labelno): New variables.
17470 (hash_section, object_block_entry_eq, object_block_entry_hash)
17471 (use_object_blocks_p, get_block_for_section, create_block_symbol)
17472 (use_blocks_for_decl_p, change_symbol_section): New functions.
17473 (get_variable_section): New function, split out from assemble_variable.
17474 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
17475 use_blocks_for_decl_p say so. Use change_symbol_section if the
17476 symbol has already been created.
17477 (assemble_variable_contents): New function, split out from...
17478 (assemble_variable): ...here. Don't output any code for
17479 block symbols; just pass them to place_block_symbol.
17480 Use get_variable_section and assemble_variable_contents.
17481 (get_constant_alignment, get_constant_section, get_constant_size): New
17482 functions, split from output_constant_def_contents.
17483 (build_constant_desc): Create a block symbol if use_object_blocks_p
17484 says so. Or into SYMBOL_REF_FLAGS.
17485 (assemble_constant_contents): New function, split from...
17486 (output_constant_def_contents): ...here. Don't output any code
17487 for block symbols; just pass them to place_section_symbol.
17488 Use get_constant_section and get_constant_alignment.
17489 (force_const_mem): Create a block symbol if use_object_blocks_p and
17490 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17491 (output_constant_pool_1): Add an explicit alignment argument.
17492 Don't switch sections here.
17493 (output_constant_pool): Adjust call to output_constant_pool_1.
17494 Switch sections here instead. Don't output anything for block symbols;
17495 just pass them to place_block_symbol.
17496 (init_varasm_once): Initialize object_block_htab.
17497 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17498 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17499 (place_block_symbol, get_section_anchor, output_object_block)
17500 (output_object_block_htab, output_object_blocks): New functions.
17501 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17502 (TARGET_ASM_OUT): Include it.
17503 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17504 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17505 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17506 (TARGET_INITIALIZER): Include them.
17507 * rtl.c (rtl_check_failed_block_symbol): New function.
17508 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17509 (block_symbol, object_block): New structures.
17510 (rtx_def): Add a block_symbol field to the union.
17511 (BLOCK_SYMBOL_CHECK): New macro.
17512 (rtl_check_failed_block_symbol): Declare.
17513 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17514 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17515 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17516 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17517 * output.h (output_section_symbols): Declare.
17518 (object_block): Name structure.
17519 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17520 (default_use_anchors_for_symbol_p): Declare.
17521 * Makefile.in (RTL_BASE_H): Add vec.h.
17522 (explow.o): Depend on output.h.
17523 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17524 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17525 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17526 (rs6000_use_blocks_for_constant_p): New function.
17528 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17530 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17532 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17535 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17538 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17540 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17544 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17546 PR middle-end/26334
17547 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17548 instead of DECL_REGISTER.
17550 2006-02-18 Olivier Hainque <hainque@adacore.com>
17553 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17555 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17558 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17559 * opth-gen.awk: Handle Var and InverseMask together.
17560 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17561 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17562 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17563 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17565 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17566 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17567 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17568 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17569 LINUX_DYNAMIC_LINKER): Define.
17570 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17571 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17573 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17574 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17575 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17576 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17577 (TARGET_C99_FUNCTIONS): Don't define.
17578 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17579 GLIBC_DYNAMIC_LINKER.
17580 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17581 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17582 GLIBC_DYNAMIC_LINKER64): Define.
17583 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17584 LINUX_DYNAMIC_LINKER64.
17585 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17586 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17587 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17588 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17589 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17590 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17591 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17592 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17593 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17594 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17595 and LINUX_DYNAMIC_LINKER32.
17596 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17597 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17598 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17599 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17600 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17602 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17603 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17604 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17605 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17606 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17607 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17608 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17609 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17610 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17611 LINUX_DYNAMIC_LINKER): Define.
17612 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17613 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17614 GLIBC_DYNAMIC_LINKER64): Define.
17615 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17616 LINUX_DYNAMIC_LINKER64.
17617 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17618 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17619 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17620 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17621 LINUX_DYNAMIC_LINKER): Define.
17622 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17623 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17624 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17625 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17626 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17627 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17628 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17629 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17630 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17631 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17633 * doc/invoke.texi (-muclibc): Remove caveat about supported
17636 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
17638 * doc/cpp.texi (__TIMESTAMP__): Document.
17640 2006-02-17 Roger Sayle <roger@eyesopen.com>
17642 PR middle-end/25600
17643 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
17644 C is one less than the width of X (and related transformations).
17645 * simplify-rtx.c (simplify_unary_operation_1): Transform
17646 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
17647 depending on STORE_FLAG_VALUE, were C is one less then the
17650 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17652 Fix PR tree-optimization/26341
17653 * tree-ssa-operands.c (add_virtual_operand): Remove assert
17654 about NAME_MEMORY_TAG's.
17656 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17659 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
17660 with hardware float support, and software float support. Add fcpy
17661 alternative to hardware patterns. Add alternatives to copy between
17662 general and floating-point registers to the 32-bit pattern.
17663 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
17664 secondary reload to load a QI or HI mode constant into a floating
17666 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17667 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17669 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17672 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17674 (load_macho_picbase_di): Likewise.
17676 2006-02-16 Jeff Law <law@redhat.com>
17678 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17679 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17680 (ssa_name_nonzero_p): Likewise.
17681 (get_value_range): Return NULL if VRP is not running.
17682 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17683 VRP routines do not discover a range.
17684 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17685 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17686 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17687 (tree_expr_nonnegative_p): Similarly.
17688 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17689 (restore_nonzero_vars_to_original_value): Remove.
17690 (unsafe_associative_fp_binop): Remove.
17691 (tree_ssa_dominator_optimize): Remove initialization and
17692 finalization of nonzero_vars and nonzero_vars_stack.
17693 (dom_opt_initialize_block): No longer push marker on
17694 nonzero_vars_stack.
17695 (dom_opt_finalize_block): No longer call
17696 restore_nonzero_vars_to_original_value.
17697 (record_equivalences_from_phis): No longer look for
17698 nonzero PHI arguments.
17699 (cprop_into_successor_phis): No longer propagate nonzero
17700 property into PHI arguments. Lose unused argument. Caller
17702 (record_equivalences_from_stmt): No longer record nonzero
17703 values for SSA_NAMEs.
17704 (lookup_avail_expr): No longer use nonzero_vars.
17706 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17707 for sizetype when sizetype is unsigned.
17709 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
17711 PR rtl-optimization/25603
17712 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
17713 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
17714 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
17715 with new meaning of SETS.
17717 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
17722 * config/linux.opt: New file.
17723 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
17724 LINUX_DYNAMIC_LINKER): Define.
17725 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
17726 * config.gcc (*-*-linux*): Define extra_options.
17727 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
17728 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
17729 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
17730 GLIBC_DYNAMIC_LINKER.
17731 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
17732 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17733 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17734 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17735 * doc/invoke.texi (GNU/Linux Options): New section.
17737 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17739 * config/sparc/sparc.md (setjmp): Rewrite.
17740 (setjmp_32): Delete.
17741 (setjmp_64): Likewise.
17743 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
17745 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
17748 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17750 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
17753 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17755 PR rtl-optimization/26296
17756 * Makefile.in (loop-invariant.c): Add except.h dependency.
17757 * loop-invariant.c: Include except.h.
17758 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
17760 2005-02-16 Paul Brook <paul@codesourcery.com>
17762 * reload1.c (emit_reload_insns): Invalidate dead input registers used
17765 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
17767 PR rtl-optimization/25636
17768 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
17769 when deciding whether an insn is an initializing insn.
17771 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
17773 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
17774 (tree_code_size): Ditto.
17775 * tree.h (struct tree_memory_tag): Remove parent_var.
17776 (struct tree_struct_field_tag): New.
17779 (union tree_node): Add sft member.
17780 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
17782 (create_sft): Add size and offset argument, set SFT_OFFSET and
17784 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
17785 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
17786 * tree-flow-inline.h (get_subvar_at): Update for
17787 SFT_OFFSET/SFT_SIZE.
17788 (var_can_have_subvars): Ditto.
17789 (overlap_subvar): Ditto.
17790 * print-tree.c (print_node): Print out interesting things for
17792 * tree-flow.h (struct subvar): Remove offset and size members.
17793 * tree-ssa-operands.c (get_expr_operands): Update for
17794 get_indirect_ref_operands changes.
17795 (get_indirect_ref_operands): Call add_virtual_operand instead of
17796 add_stmt_operand. Only recurse on base var if requested.
17797 (access_can_touch_variable): New function.
17798 (add_stmt_operand): Split virtual operand handling into ...
17799 (add_virtual_operand): Here. Add offset, size, and for_clobber
17800 arguments. Prune alias sets.
17801 (add_call_clobber_ops): Call add_virtual_operand.
17803 2006-02-15 Jakub Jelinek <jakub@redhat.com>
17805 PR middle-end/26300
17806 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
17808 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
17809 than TREE_CODE as index into omp_clause_num_ops array.
17811 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
17813 PR rtl-optimization/26184
17814 * modulo-sched.c (generate_reg_moves): Free bitmap vector
17816 * modulo-sched.c (sms_schedule): Free g_arr pointer.
17817 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
17818 must_precede, must_follow and tobe_scheduled.
17821 * opts.c (common_handle_option): Free new_option pointer.
17822 * df-core.c (df_analyze): Free postorder pointer.
17824 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17826 * Makefile.in: Fix the examples about the use of stamps
17828 2006-02-15 Michael Matz <matz@suse.de>
17830 PR middle-end/22275
17832 * stor-layout.c (layout_decl): Zero-width bitfields aren't
17833 influenced by maximum_field_alignment or DECL_PACKED.
17834 (update_alignment_for_field): Ditto.
17835 (place_field): Ditto.
17836 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
17839 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
17841 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
17842 (debug_flow_info): Pass it.
17843 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
17844 * bb-reorder.c (reorder_basic_blocks): Likewise.
17845 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
17846 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
17847 * flow.c (life_analysis, recompute_reg_usage): Likewise.
17848 * gcse.c (gcse_main, bypass_jumps): Likewise.
17849 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
17850 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
17851 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
17852 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
17853 * rtl.h (dump_flow_info): Adjust prototype.
17854 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
17855 * var-tracking.c (variable_tracking_main): Likewise.
17856 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
17857 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
17860 2006-02-15 Marcin Dalecki <martin@dalecki.de>
17862 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
17865 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17867 PR tree-optimization/26209
17868 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
17869 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
17871 * tree-cfg.c (replace_uses_by): Do not alter cfg.
17873 2006-02-14 Roger Sayle <roger@eyesopen.com>
17875 PR middle-end/23670
17876 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
17877 (X,Y) and the corresponding symmetry related transformations.
17878 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
17879 (X,Y) and its symmetry related transformations.
17881 2006-02-14 Roger Sayle <roger@eyesopen.com>
17883 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
17886 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
17888 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
17890 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17893 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
17894 support COMDAT group.
17895 * configure: Regenerate.
17897 2006-02-14 Roger Sayle <roger@eyesopen.com>
17899 PR middle-end/26279
17900 PR middle-end/26280
17901 PR middle-end/26283
17902 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
17904 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
17906 Fix PR tree-optimization/26260
17908 * doc/invoke.texi (max-fields-for-field-sensitive): Document
17910 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
17911 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
17912 * tree-ssa-structalias.c (create_variable_info_for): Use
17913 MAX_FIELDS_FOR_FIELD_SENSITIVE.
17915 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17917 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
17919 * tree-ssa-loop-niter.c (number_of_iterations_ne,
17920 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
17921 of the ending condition.
17922 * tree-ssa-loop-manip.c: Include params.h.
17923 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
17924 tree_unroll_loop): New functions.
17925 * tree-pass.h (pass_loop_prefetch): Declare.
17926 * loop.c (rest_of_handle_loop_optimize): Test for
17927 -fprefetch-loop-arrays-rtl.
17928 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
17929 * timevar.def (TV_TREE_PREFETCH): New timevar.
17930 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
17931 pass_loop_prefetch): New.
17932 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
17933 (cleanup_tree_cfg_loop): Call scev_reset.
17934 * common.opt (fprefetch-loop-arrays-rtl): Add.
17935 * tree-ssa-loop-prefetch.c: New file.
17936 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
17937 (new_temp_expr_table): Initialize expr_vars.
17938 (free_temp_expr_table): Cleanup expr_vars.
17939 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
17940 expressions from being merged into one.
17941 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
17942 (struct tree_niter_desc): Add control, bound and cmp fields.
17943 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
17945 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
17946 (tree-cfgcleanup.o): Add SCEV_H dependency.
17947 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
17948 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
17950 2006-02-14 Richard Guenther <rguenther@suse.de>
17952 PR tree-optimization/26258
17953 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
17954 in PHI argument processing.
17956 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
17958 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
17959 new expression in the requested machine mode.
17961 2006-02-13 Roger Sayle <roger@eyesopen.com>
17963 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
17964 directly, instead let do_compare_rtx_and_jump handle this for us.
17965 * expr.c (expand_expr_real_1): Likewise.
17966 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
17967 before do_jump_by_parts_greater.
17968 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
17969 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
17971 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17973 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
17975 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17977 PR rtl-optimization/26235
17978 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
17979 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
17982 2006-02-13 Jeff Law <law@redhat.com>
17984 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
17987 2006-02-13 Jakub Jelinek <jakub@redhat.com>
17989 PR middle-end/26092
17990 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
17991 twice if decl is a builtin. When trying again, call get_callee_fndecl
17992 first to verify it is still a builtin.
17994 2006-02-13 Geoffrey Keating <geoffk@apple.com>
17996 * dwarf2out.c (base_type_die): Don't add AT_name here.
17997 (subrange_type_die): Don't add AT_name here.
17998 (modified_type_die): Rearrange code flow. Do add AT_name here.
18000 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18002 PR rtl-optimization/26247
18003 PR rtl-optimization/26248
18004 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18006 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18008 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18009 * config/fixtfdi.c: Likewise.
18010 * config/fixunstfdi.c: Likewise.
18011 * config/floatditf.c: Likewise.
18013 2006-02-13 Roger Sayle <roger@eyesopen.com>
18015 PR middle-end/24427
18016 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18017 into (X,C2) if C1 is a subset of the bits of C2. Transform
18018 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18020 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18022 2006-02-13 Josh Conner <jconner@apple.com>
18025 * varasm.c (function_section): Check for section name before
18026 calling select_section on targets that define
18027 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18028 unlikely_text_section instead of hot_function_section if
18029 first_function_block_is_cold.
18031 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18033 PR middle-end/25335
18034 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18036 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18038 PR rtl-optimization/26222
18039 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18040 after tree->rtl expansion.
18041 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18042 before passing it to emit_move_insn.
18044 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18046 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18048 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18049 Clarify documentation.
18050 * c-common.h (warn_write_strings): Remove.
18051 * c-common.c (warn_write_strings): Likewise.
18052 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18055 2006-02-12 Roger Sayle <roger@eyesopen.com>
18057 PR middle-end/25724
18058 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18059 (do_jump_parts_zero_rtx): New function renamed from
18060 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18061 (do_jump_parts_equality_rtx): New function split out from
18062 do_jump_parts_equality. Old implementation renamed as above.
18063 Call do_jump_parts_zero_rtx if either operand is zero.
18064 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18065 do all of the heavy lifting.
18066 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18067 calling either do_jump_by_parts_greater_rtx or
18068 do_jump_by_parts_equality_rtx.
18069 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18070 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18071 moved to do_compare_rtx_and_jump, call it directly.
18072 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18073 mode argument. Call do_compare_rtx_and_jump.
18074 (emit_case_nodes): Update calls to do_jump_if_equal.
18076 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18078 PR rtl-optimization/26225
18079 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18081 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18083 PR rtl-optimization/26232
18084 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18086 2006-02-11 Jason Merrill <jason@redhat.com>
18089 * tree-inline.c (declare_return_variable): Just don't use the
18090 modify target if it's a gimple complex reg and the return slot
18093 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18095 * doc/contrib.texi: Update my entry.
18097 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18099 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18101 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18103 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18106 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18108 * doc/invoke.texi (-floop-optimize2): Removed.
18109 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18110 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18111 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18112 * common.opt (floop-optimize2): Removed.
18113 (fmove-loop-invariants): Enabled by default.
18115 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18117 * tree-if-conv.c (combine_blocks): Free the result of
18118 get_loop_exit_edges.
18120 2006-02-10 Jeff Law <law@redhat.com>
18122 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18124 PR tree-optimization/26213
18125 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18126 loop trying to follow SSA_NAME_VALUE chains.
18128 2006-02-10 Richard Guenther <rguenther@suse.de>
18130 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18131 deal with structures that end in implicitly variable sized arrays.
18133 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18135 PR rtl-optimization/24762
18136 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18139 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18141 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18142 (struct ivopts_data): Add regs_used field.
18143 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18144 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18145 instead of loop_data->regs_used;
18146 (free_loop_data): Do not free aux fields for loops.
18147 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18148 and tree_ssa_iv_optimize_finalize.
18150 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18152 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18154 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18157 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18158 computing the effective result type.
18160 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18162 PR inline-asm/16194
18163 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18164 (tree_overlaps_hard_reg_set): Declare.
18165 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18166 type and signature to match function type expected by walk_tree.
18167 (tree_overlaps_hard_reg_set): New function.
18168 (decl_conflicts_with_clobbers_p): Rename to:
18169 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18170 Use tree_overlaps_hard_reg_set. Changed caller.
18171 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18172 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18173 * cris.c (cris_md_asm_clobbers): Likewise.
18175 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18177 * reload1.c (emit_input_reload_insns): Delete code that tries to
18178 inherit using find_equiv_reg.
18180 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18182 * c-common.h (flag_const_strings): Don't declare.
18183 * c-common.c (flag_const_strings): Remove.
18184 * c.opt (fconst_strings): Remove.
18185 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18186 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18187 (c_common_init_options): Don't set flag_const_strings.
18188 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18190 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18192 * arm.md (tlobits_cbranch): New pattern.
18193 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18194 testing a single bit.
18196 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18199 * tree-ssa-pre.c (create_component_ref_by_pieces):
18200 Handle RETURN_DECL like VAR_DECL.
18202 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18204 PR middle-end/26134
18205 * fold-const.c (fold_indirect_ref_1): Fold
18206 "*(foo *)&complexfoo" to "__real__ complexfoo"
18207 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18209 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18211 * tree-flow-inline.h (var_can_have_subvars):
18212 Volatile variables should not have subvariables.
18214 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18217 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18218 multiplying unsigned values.
18221 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18223 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18225 2006-02-08 Jason Merrill <jason@redhat.com>
18228 * tree.def: Elaborate on difference from MODIFY_EXPR.
18229 * doc/c-tree.texi (INIT_EXPR): Likewise.
18230 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18231 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18232 (gimplify_target_expr): Likewise.
18233 (gimplify_cond_expr): Remove target handling.
18234 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18235 (gimplify_expr): Clobber it here.
18236 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18237 Do return slot optimization if we have an INIT_EXPR.
18240 * tree-inline.c (declare_return_variable): Also clear
18241 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18244 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18246 PR middle-end/22439
18247 * gimplify.c (gimplify_one_sizepos): Fix typo.
18249 2006-02-08 Jeff Law <law@redhat.com>
18251 PR tree-optimization/21417
18252 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18253 across a backedge if the control statement at the end of the
18254 block is data dependent on other statements in the same block.
18255 (record_temporary_equivalences_from_stmts): Remove over-conservative
18256 test for threading across backedges.
18258 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18259 control statement, handle all three special cases in the same
18260 manner as they all have the same desired solution. No longer
18261 special case edge flag updating when the post dominator is
18264 2006-02-08 Roger Sayle <roger@eyesopen.com>
18266 * tree.def (CHAR_TYPE): Remove.
18267 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18268 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18269 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18270 (gen_string_type_die): Delete unreachable function.
18272 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18273 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18274 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18275 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18276 * builtins.c (type_to_class): Likewise.
18277 * fold-const.c (fold_convert, build_range_check,
18278 merge_ranges): Likewise.
18279 * expr.c (count_type_elements): Likewise.
18280 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18281 * stor-layout.c (layout_type): Likewise.
18282 * ipa-type-escape.c (type_to_consider): Likewise.
18283 * gimplify.c (omp_firstprivatize_type_sizes,
18284 gimplify_type_sizes): Likewise.
18285 * explow.c (promote_mode): Likewise.
18286 * tree-sra.c (is_sra_scalar_type): Likewise.
18287 * varasm.c (output_constant): Likewise.
18288 * tree-inline.c (remap_type_1): Likewise.
18289 * convert.c (convert_to_pointer, convert_to_real,
18290 convert_to_integer, convert_to_complex): Likewise.
18292 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18294 * df-scan.c (df_def_record_1): A set destination may
18295 be a parallel regardless of mode.
18297 2006-02-08 Roger Sayle <roger@eyesopen.com>
18300 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18301 * config/mips/_tilib.c: Remove.
18302 * config/fixtfdi.c: New libgcc source file.
18303 * config/fixunstfdi.c: New source file.
18304 * config/floatditf.c: New source file.
18305 * config/floatunditf.c: New souce file.
18306 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18307 files above instead of config/mips/_tilib.c.
18308 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18310 2006-02-08 Jeff Law <law@redhat.com>
18312 PR tree-optimization/26169
18313 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18316 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18318 * df.h (DF_REG_SIZE): Return the length of the initialized
18321 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18323 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18324 __muldf3): Return a correctly signed zero.
18326 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18328 * passes.c (register_one_dump_file): Accept the current properties
18329 instead of pass number. Adjust call to dump_register. Remove
18331 (register_dump_files): Now a wrapper around...
18332 (register_dump_files_1): ... this one. Do not modify the pass
18334 (next_pass_1): Cosmetic fix.
18335 (execute_todo): Keep second parameter only. Use curr_properties
18336 instead of fetching it from the pass structure. Check and set
18338 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18339 instead of fetching it from the pass structure. Fix calls to
18340 execute_todo. Update curr_properties and initialize .vcg RTL dump
18341 after running the pass. Reset last_verified.
18342 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18344 (FIRST_AUTO_NUMBERED_DUMP): New.
18345 (dump_register): Remove "num" parameter, assign it within the
18347 (get_dump_file_name): Modify template for dumps.
18348 * tree-dump.h (dump_register): Adjust prototype.
18349 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18350 (PROP_trees): Add PROP_gimple_lomp.
18351 (TODO_set_props): New.
18352 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18353 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18354 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18356 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18358 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18359 (sparc64-*-linux*): Likewise.
18360 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18361 * config/sparc/t-linux: New file.
18362 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18363 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18364 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18365 -m32 -mlong-double-128.
18367 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18368 * config/alpha/t-linux: New file.
18369 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18371 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18372 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18373 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18374 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18375 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18376 (CPP_ARCH32_SPEC): Remove.
18378 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18380 PR tree-optimization/26145
18381 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18384 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18387 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18388 >= 240000 when generating code for SOM runtime.
18389 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18390 to $$dyncall when generating code for SOM runtime..
18392 2006-02-07 Dirk Mueller <dmueller@suse.com>
18395 * doc/invoke.texi (-Wsequence-point): Update documentation
18396 that -Wsequence-point is implemented for C++ as well.
18398 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18400 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18401 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18402 (LIB_SPEC): Likewise.
18403 * doc/invoke.texi (SPARC options): Document -pthread.
18405 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18407 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18410 2006-02-07 Roger Sayle <roger@eyesopen.com>
18412 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18413 Correct comment describing BOOLEAN_TYPE.
18415 2006-02-07 Dirk Mueller <dmueller@suse.com>
18417 * c.opt: C++ frontend supports -Wdiv-by-zero.
18418 * c-opts.c (c_common_handle_option): Remove dead case.
18420 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18422 * configure.ac (TLS assembler check): Do not enable TLS by
18423 default on SPARC/Solaris before version 10.
18424 * configure: Regenerate.
18426 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18428 * doc/invoke.texi (xl-compat): Document conversion and support
18431 2006-02-07 Jeff Law <law@redhat.com>
18433 * tree-vrp.c (find_conditional_asserts): Update comments.
18434 (simplify_stmt_for_jump_threading): New.
18435 (identify_jump_threads, finalize_jump_threads): New.
18436 (vrp_finalize): Call identify_jump_threads.
18437 (execute_vrp): Call finalize_jump_threads.
18438 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18439 (vrp_element, vrp_data, vrp_element_p): Remove.
18440 (vrp_hash_elt, vrp_variables_stack): Remove.
18441 (vrp_hash, vrp_eq, record_range): Remove.
18442 (simplify_cond_and_lookup_avail_expr): Remove.
18443 (extract_range_from_cond): Remove.
18444 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18445 (simplify_stmt_for_jump_threading): New.
18446 (dom_thread_across_edge): New wrapper.
18447 (tree_ssa_dominator_optimize): No longer initialize or
18448 finalize any of the VRP datastructures. Remove iteration
18449 step and simplify as a result of removal of iteration step.
18450 (pass_dominator): Perform a cfg cleanup after DOM.
18451 (dom_opt_finalize_block): Use the new common routines
18452 for threading jumps. Simplify stack management slightly.
18453 No longer need to unwind VRP state.
18454 (record_equivalences_from_incoming_edge): No longer record
18456 (eliminate_redundant_computations): No longer call
18457 simplify_cond_and_lookup_avail_expr.
18458 * tree-flow.h (potentially_threadable_block): Prototype.
18459 (thread_across_edge): Likewise.
18460 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
18461 (tree-ssa-threadedge.o): Add dependencies.
18462 * tree-ssa-threadedge.c: New file.
18463 * passes.c (init_optimization_passes): Merge PHIs before
18464 calling VRP. Run VRP again late in the SSA optimization pipeline.
18466 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18468 * df-core.c (df_set_blocks): Do not dereference function pointers.
18469 (df_finish1): Likewise.
18470 (df_hybrid_search_forward): Likewise.
18471 (df_hybrid_search_backward): Likewise.
18472 (df_iterative_dataflow): Likewise.
18473 (df_analyze_problem): Likewise.
18474 (df_compact_blocks): Likewise.
18475 (df_dump): Likewise.
18476 * df-scan.c (df_rescan_blocks): Likewise.
18477 (df_record_entry_block_defs): Likewise.
18479 * genconditions.c (write_conditions): Guard the definition of
18480 'insn_conditions' with the check on GCC version.
18481 (write_writer): Guard the traversal 'insn_conditions' with
18482 the check on GCC version.
18484 2006-02-07 Richard Guenther <rguenther@suse.de>
18488 2006-01-30 Richard Guenther <rguenther@suse.de>
18490 * gimplify.c (gimplify_target_expr): Handle easy cases
18491 without creating a temporary.
18493 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18495 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18496 use of float in probability computations. Use edge probabilities
18497 in place of statically computed probabilities.
18498 (min_spec_prob): New static variable.
18499 (schedule_insns): Initialize it.
18500 (GET_SRC_PROB): Removed.
18501 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18503 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18506 * config/ia64/unwind-ia64.c: Revert last change.
18507 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18508 (INCOMING_FRAME_SP_OFFSET): Define.
18510 2006-02-06 Roger Sayle <roger@eyesopen.com>
18512 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18514 2006-02-07 Ben Elliston <bje@au.ibm.com>
18516 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18517 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18518 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18519 (ix86_return_in_memory): Handle TDmode.
18520 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18521 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18523 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18525 * reorg.c (dbr_schedule): Use dump_file instead of file.
18527 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18530 * config/ia64/predicates.md (extr_len_operand): New predicate.
18531 * config/ia64/ia64.md (extv): Tighten constraints.
18533 (*tbit_and_2): Ditto.
18534 (*tbit_and_3): Ditto.
18535 (*tbit_or_2): Ditto.
18536 (*tbit_or_3): Ditto.
18537 (*bit_zero): Ditto.
18540 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18543 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18545 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18547 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18548 loop_optimizer_init and loop_optimizer_finalize
18549 * tree-ssa-sink.c (execute_sink_code): Ditto.
18550 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18551 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18552 tree_ssa_loop_done): Ditto.
18553 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18554 * sched-ebb.c: Include output.h.
18555 (schedule_ebbs): Do not use dump argument.
18556 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18557 * loop.c (loop_dump_stream): Removed.
18558 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18560 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18561 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18562 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18563 loop_iterations, strength_reduce, record_biv, record_giv,
18564 final_giv_value, check_final_value, check_ext_dependent_givs,
18565 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18566 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18567 dump_file instead of loop_dump_stream.
18568 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18569 argument dump_file.
18570 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18572 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18573 * haifa-sched.c: Include output.h
18574 (schedule_insns, sched_init): Do not use dump argument.
18575 * mode-switching.c (optimize_mode_switching): Ditto.
18576 * modulo-sched.c (stats_file): Removed.
18577 (print_node_sched_params): Do not call argument dump_file.
18578 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18579 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18581 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18583 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18584 rtl_loop_init, rtl_loop_done): Ditto.
18585 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18586 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18588 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18589 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18590 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18591 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18592 * emit-rtl.c (renumber_insns): Ditto.
18593 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18594 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18595 * regclass.c (regclass): Ditto.
18596 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18597 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18598 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18599 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18601 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18602 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18604 * gcse.c (gcse_file, debug_stderr): Removed.
18605 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18606 rest_of_handle_gcse): Do not use dump argument.
18607 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18608 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18609 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18610 compute_code_hoist_vbeinout, compute_code_hoist_data,
18611 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18612 compute_store_table, build_store_vectors, insert_insn_start_bb,
18613 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18614 store_motion): Use dump_file instead of gcse_file.
18615 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18616 * profile.c (profile_dump_file): Removed.
18617 (branch_prob): Use dump_file instead of profile_dump_file.
18618 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18620 * tree-ssa-copy.c (dump_copy_of): Ditto.
18621 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18622 dump file to life_analysis.
18623 * bt-load.c (branch_target_load_optimize): Ditto.
18624 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18626 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18627 regclass, dbr_schedule): Declaration changed.
18628 * sched-int.h (sched_init): Declaration changed.
18629 * tree-profile.c (tree_profile_dump_file): Removed.
18630 (tree_profile_hooks): Removed profile_dump_file hook.
18631 * rtl-profile (rtl_profile_dump_file): Removed.
18632 (rtl_profile_hooks): emoved profile_dump_file hook.
18633 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
18635 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
18636 * tree-cfg.c (build_tree_cfg): Ditto.
18637 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
18638 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
18639 Declaration changed.
18640 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
18641 life_analysis and schedule_insns.
18642 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
18644 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
18646 * config/mips/mips.c (mips_reorg): Ditto.
18647 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
18650 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
18652 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18653 (s390_mangle_fundamental_type): New.
18654 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18657 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18658 (alpha_mangle_fundamental_type): New.
18659 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18662 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18664 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18666 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18667 (sparc_mangle_fundamental_type): New.
18669 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18671 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18672 (s390x-*-linux*): Likewise.
18673 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18674 * config/s390/t-linux: New file.
18676 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18678 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18679 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18681 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18683 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18684 (ANTIC_SAFE_LOADS): New macro.
18685 (find_or_generate_expression): Add prototype.
18686 (set_contains_value): Allow null set for sake of not always having
18687 to allocate ANTIC_SAFE_LOADS.
18688 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18689 Allow COMPONENT_REF too.
18690 (valid_in_set): Allow COMPONENT_REF.
18691 Check ANTIC_SAFE_LOADS too.
18692 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18693 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18695 (can_PRE_operation): Add COMPONENT_REF.
18696 (create_component_ref_by_pieces): New function.
18697 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18698 (insert_aux): Move AGGREGATE_TYPE_P check here.
18699 (compute_avail): Set bb local stmt uids.
18700 (pass_pre): Use TODO_update_ssa_only_virtuals.
18702 2006-02-06 Ben Elliston <bje@au.ibm.com>
18704 * configure.ac: Unconditionally disable decimal float by default.
18705 * configure: Regenerate.
18707 2006-02-06 Ben Elliston <bje@au.ibm.com>
18709 * read-rtl.c (read_name): Terminate reading on EOF.
18711 2006-02-06 Ben Elliston <bje@au.ibm.com>
18713 * dfp.c (decimal_real_arithmetic): Change second argument type
18714 from int to enum tree_code. Do not always return true, but now
18715 return result of any call to decimal_do helper functions.
18716 * dfp.h (decimal_real_arithmetic): Update prototype.
18718 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
18720 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
18722 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
18725 * tree-cfg.c (cleanup_dead_labels): Also don't remove
18728 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18730 * tree-vrp.c (cfg_loops): Removed.
18731 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
18732 Use current_loops instead of cfg_loops. Pass flags to
18733 loop_optimizer_init.
18734 * cfgloopmanip.c (fix_loop_structure): Update only available
18736 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
18737 loop_optimizer_init.
18738 * modulo-sched.c (build_loops_structure): Removed.
18739 (sms_schedule): Use loop_optimizer_init.
18740 * loop-init.c (loop_optimizer_init): Use flags to determine
18741 which properties of loops to prepare.
18742 (rtl_loop_init): Pass flags to loop_optimizer_init.
18743 * tree-ssa-sink.c (execute_sink_code): Ditto.
18744 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
18745 * tree-ssa-pre.c (init_pre): Ditto.
18746 * cfgloop.h (LOOPS_NORMAL): New.
18747 (loop_optimizer_init): Declaration changed.
18749 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18751 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
18752 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
18754 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
18756 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
18758 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
18759 * pa/t-pa64: Delete quadlib.c rule.
18760 * pa/x-ada: Revert last change.
18761 * pa/t-pa: Revert last change. Delete quadlib.c rule.
18763 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18765 PR rtl-optimization/26087
18766 * rtlanal.c (canonicalize_condition): Do not cross basic block
18769 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
18772 * config/ia64/ia64.c: Include debug.h.
18773 (MAX_ARTIFICIAL_LABEL_BYTES): New.
18774 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
18775 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
18776 (process_epilogue, process_set, process_for_unwind_directive):
18777 Output unwind info only if requested. Add CFA info if requested.
18778 Add new arguments as needed. Adjust callers.
18779 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
18781 (DWARF2_FRAME_INFO): Define to zero.
18782 * config/ia64/unwind-ia64.c: Remove code that compensated for
18783 the CFA offset error fixed above.
18784 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
18785 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
18786 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
18787 -funwind-tables and -fexceptions to enable frame info.
18788 (dwarf2out_frame_init): Define initial CFA even if
18789 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
18790 DWARF2_UNWIND_INFO is nonzero, not just defined.
18791 (dwarf2out_frame_finish): Output non-EH call frame info only
18792 if DWARF2_FRAME_INFO is nonzero.
18793 (convert_cfa_to_loc_list,
18794 compute_frame_pointer_to_cfa_displacement): Define even if
18795 unwind info is not supported.
18796 (gen_subprogram_die): Use the above unconditionally. Remove
18797 legacy alternate code.
18798 * toplev.c (compile_file): Compile in call to
18799 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
18800 (lang_dependent_init): Ditto for dwarf2out_frame_init.
18802 2006-02-04 David Edelsohn <edelsohn@gnu.org>
18803 Jakub Jelinek <jakub@redhat.com>
18805 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
18806 IBM extended float format long double as "g" on powerpc*-linux.
18808 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18811 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
18812 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
18814 2006-02-03 Jason Merrill <jason@redhat.com>
18817 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
18819 PR middle-end/25977
18820 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
18821 on the return slot if it's an NRV.
18823 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
18825 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
18826 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
18827 rewrite_use): Do not handle USE_OUTER.
18828 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
18829 add_iv_outer_candidates, may_replace_final_value,
18830 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
18831 (find_interesting_uses_op): Functionality of
18832 find_interesting_uses_outer_or_nonlin moved here.
18833 (find_interesting_uses_outside): Use find_interesting_uses_op.
18835 2006-02-03 Alan Modra <amodra@bigpond.net.au>
18838 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
18840 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
18841 Ulrich Weigand <uweigand@de.ibm.com>
18844 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
18845 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
18846 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
18847 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
18849 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
18850 (s390_rtx_costs): Use the new fields to calculate rtx costs.
18851 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
18852 Define secondary reloads for TFmode moves.
18853 (constant_modes): Add TFmode.
18854 (NR_C_MODES): Set to 8.
18855 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
18857 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
18858 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
18859 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
18860 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
18861 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
18862 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
18863 (FPR mode macro): Add TFmode.
18864 (DSF mode macro): New.
18865 (<de>, <dee> mode attributes): Removed.
18866 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
18867 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
18868 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
18869 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
18870 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
18871 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
18872 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
18873 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
18874 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
18875 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
18876 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
18877 "*negabs<mode>2", "sqrt<mode>2"):
18878 Changed <de> to <xde>. R constraint replaced by <Rf>.
18879 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
18881 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
18882 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
18883 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
18885 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
18886 "extenddftf2", "extendsftf2"): New expanders.
18887 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
18888 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
18889 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
18890 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
18892 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
18893 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
18894 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
18895 __floatditf): Add a GCC_4.1.0 symbol version tag.
18896 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
18899 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
18902 * config/i386/i386.c (ix86_function_ok_for_sibcall):
18903 Use targetm.binds_local_p instead of TREE_PUBLIC.
18905 2006-02-02 Roger Sayle <roger@eyesopen.com>
18907 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
18908 on INTEGER_TYPEs to indicate that it denotes a character type.
18909 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
18910 signed_char_type_node, unsigned_char_type_node and char_type_node.
18911 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
18912 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
18913 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
18915 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
18916 Daniel Berlin <dberlin@dberlin.org>
18918 * tree-tailcall.c (arg_needs_copy_p): New function.
18919 (eliminate_tail_call): Use arg_needs_copy_p.
18920 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
18921 (add_virtual_phis): New function.
18923 2006-02-02 Jakub Jelinek <jakub@redhat.com>
18925 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
18926 #ignore instead of #scratch for %g7 .register directive.
18928 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
18930 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
18933 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18935 * flow.c (calculate_global_regs_live): Assert that there aren't any
18938 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
18940 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
18941 what its name says.
18942 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
18943 bsi_after_labels iterator.
18944 * tree-if-conv.c (find_phi_replacement_condition,
18945 replace_phi_with_cond_modify_expr): Likewise.
18946 * tree-scalar-evolution.c (scev_const_prop): Likewise.
18947 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
18949 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18951 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
18953 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18956 * tree-cfg.c (move_block_to_fn): Clear out the basic block
18957 array after growing it.
18959 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18961 PR middle-end/24901
18962 * fold-const.c (fold_checksum_tree): Change type of buf.
18964 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
18966 * reload.c (push_secondary_reload): Initialize t_icode.
18968 2006-02-01 Jakub Jelinek <jakub@redhat.com>
18970 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
18971 -msoft-float -mlong-double-128 only issue a warning, but don't
18972 swich to DFmode long double.
18974 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
18976 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
18977 has a constant equivalent, iterate over equivalents for arg0,
18978 calling simplify_relational_operation and if there's a result
18979 cheaper than X, apply fold_rtx and return the result.
18981 2006-02-01 Jan Hubicka <jh@suse.cz>
18983 * opts.c (no_unit_at_a_time_default): New global variable.
18984 (decode_options): Use it.
18985 * opts.h (no_unit_at_a_time_default): Declare.
18987 2006-02-01 Paul Brook <paul@codesourcery.com>
18989 * function.c (assign_parm_setup_reg): Use function argument promotion
18991 * expr.c (expand_expr_real_1): Use function argument promotion rules
18994 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18996 * gcc.c (process_command): Change j to 'unsigned int'.
18998 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19000 PR middle-end/26001
19001 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19002 Use the corrected index for the character
19003 out of the string constant.
19005 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19007 * mode-switching.c (optimize_mode_switching): Fix size
19008 allocated for bb_info[n_entities].
19010 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19012 * gcc.c (main): Correct type that is allocated for
19013 explicit_link_files.
19015 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19017 * config/s390/s390.c (init_alignment_context): Set
19018 ALIAS_SET_MEMORY_BARRIER on the MEM.
19019 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19021 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19023 PR middle-end/25933
19024 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19026 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19029 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19031 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19032 * regrename.c: Ditto.
19033 * tree-ssa-loop-im.c: Ditto.
19034 * tree-dump.c: Ditto.
19035 * tree-complex.c: Ditto.
19036 * genrecog.c: Ditto.
19037 * tree-ssa-threadupdate.c: Ditto.
19039 * java/class.c: Ditto.
19040 * java/jcf-parse.c: Ditto.
19041 * java/resource.c: Ditto.
19042 * java/except.c: Ditto.
19043 * java/jvspec.c: Ditto.
19044 * java/jcf-write.c: Ditto.
19045 * java/jcf-path.c: Ditto.
19046 * java/gjavah.c: Ditto.
19047 * java/zextract.c: Ditto.
19048 * java/jcf-io.c: Ditto.
19049 * java/jcf.h: Ditto.
19050 * java/buffer.c: Ditto.
19051 * java/lang.c: Ditto.
19052 * java/parse-scan.y: Ditto.
19053 * java/lex.c: Ditto.
19054 * java/lex.h: Ditto.
19055 * cfgloopmanip.c: Ditto.
19056 * postreload-gcse.c: Ditto.
19057 * tree-ssa-loop-manip.c: Ditto.
19058 * postreload.c: Ditto.
19059 * tree-ssa-loop-ch.c: Ditto.
19062 * cppspec.c: Ditto.
19063 * diagnostic.c: Ditto.
19065 * genoutput.c: Ditto.
19067 * cfghooks.c: Ditto.
19068 * cfgloopanal.c: Ditto.
19069 * objc/objc-act.c: Ditto.
19071 * genextract.c: Ditto.
19072 * genautomata.c: Ditto.
19073 * pretty-print.c: Ditto.
19074 * genemit.c: Ditto.
19075 * cgraphunit.c: Ditto.
19077 * df-scan.c: Ditto.
19078 * haifa-sched.c: Ditto.
19079 * dominance.c: Ditto.
19081 * tree-ssa-loop-ivopts.c: Ditto.
19082 * df-core.c: Ditto.
19083 * mode-switching.c: Ditto.
19084 * modulo-sched.c: Ditto.
19086 * ipa-pure-const.c: Ditto.
19088 * fix-header.c: Ditto.
19090 * tree-stdarg.c: Ditto.
19091 * ipa-utils.c: Ditto.
19092 * loop-init.c: Ditto.
19093 * ipa-inline.c: Ditto.
19094 * cfganal.c: Ditto.
19096 * alloc-pool.c: Ditto.
19097 * dwarf2out.c: Ditto.
19099 * genattrtab.c: Ditto.
19100 * tree-ssa-loop-ivcanon.c: Ditto.
19101 * predict.c: Ditto.
19102 * timevar.c: Ditto.
19104 * fortran/gfortranspec.c: Ditto.
19105 * regmove.c: Ditto.
19106 * local-alloc.c: Ditto.
19107 * langhooks.c: Ditto.
19108 * function.c: Ditto.
19109 * tree-vectorizer.c: Ditto.
19111 * ipa-type-escape.c: Ditto.
19113 * tree-if-conv.c: Ditto.
19114 * profile.c: Ditto.
19116 * tree-data-ref.c: Ditto.
19117 * loop-unroll.c: Ditto.
19118 * treelang/treetree.c: Ditto.
19120 * bt-load.c: Ditto.
19121 * ggc-common.c: Ditto.
19123 * coverage.c: Ditto.
19125 * tree-cfgcleanup.c: Ditto.
19126 * tree-ssa-pre.c: Ditto.
19127 * cfgcleanup.c: Ditto.
19128 * loop-invariant.c: Ditto.
19129 * loop-iv.c: Ditto.
19130 * ipa-prop.c: Ditto.
19131 * print-tree.c: Ditto.
19132 * conflict.c: Ditto.
19133 * ggc-page.c: Ditto.
19134 * sched-deps.c: Ditto.
19135 * regclass.c: Ditto.
19136 * tree-object-size.c: Ditto.
19137 * combine.c: Ditto.
19138 * bb-reorder.c: Ditto.
19139 * resource.c: Ditto.
19140 * var-tracking.c: Ditto.
19141 * cfgloop.c: Ditto.
19142 * df-problems.c: Ditto.
19143 * reg-stack.c: Ditto.
19145 * gccspec.c: Ditto.
19146 * sched-rgn.c: Ditto.
19147 * tree-ssa-structalias.c: Ditto.
19148 * tree-ssa-reassoc.c: Ditto.
19149 * config/darwin-c.c: Ditto.
19150 * config/darwin.c: Ditto.
19151 * config/arm/arm.c: Ditto.
19153 * collect2.c: Ditto.
19154 * reload1.c: Ditto.
19156 2006-01-31 Nicolas Pitre <nico@cam.org>
19158 * arm.md (smaxsi3): Make aware of smax_m1.
19161 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19163 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19165 2006-01-31 Richard Guenther <rguenther@suse.de>
19167 * doc/invoke.texi (-msselibm): Document.
19168 * target.h (expand_library_builtin): New target hook.
19169 * builtins.c (expand_builtin): Use expand_library_builtin.
19170 (default_expand_library_builtin): New function.
19171 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19172 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19173 (link_gcc_math_spec): Declare.
19174 (static_specs): Add link_gcc_math_spec.
19175 * expr.h (default_expand_library_builtin): Declare.
19176 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19177 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19178 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19179 * config/i386/i386.opt (msselibm): New target option.
19180 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19181 (ix86_init_sse_abi_builtins): New function.
19182 (ix86_expand_library_builtin): Likewise.
19183 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19184 (override_options): Handle error conditions wrt -msselibm.
19185 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19186 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19187 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19190 2006-01-31 Richard Guenther <rguenther@suse.de>
19191 Paolo Bonzini <bonzini@gnu.org>
19193 * doc/install.texi (--disable-libgcc-math): Document.
19195 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19197 * expr.h (expand_normal): new inline function.
19198 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19199 * dojump.c: use it.
19200 * dwarf2out.c: use it.
19203 * expmed.c: use it.
19204 * except.c: use it.
19205 * config/sparc/sparc.c: use it.
19206 * config/i386/i386.c: use it.
19207 * config/rs6000/rs6000.c: use it.
19208 * config/arm/arm.c: use it.
19209 * config/mips/mips.c: use it.
19210 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19212 2006-01-30 Roger Sayle <roger@eyesopen.com>
19214 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19215 argv to the appropriate type.
19217 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19219 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19222 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19225 * config/s390/s390.c (struct machine_function): New flag
19226 decomposed_literal_pool_addresses_ok_p.
19227 (s390_reorg): Set it before final stage of literal pool transforms.
19228 (s390_decompose_address): Only accept displacements of the form
19229 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19231 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19233 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19234 the comparison routine return.
19236 2006-01-30 Michael Matz <matz@suse.de>
19238 * global.c (find_reg): Only evict for global regs.
19239 Take n_refs into account and dump more info.
19241 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19244 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19245 (pragma_trap, pragma_nosave_low_regs): Likewise.
19246 (current_function_anonymous_args): Likewise.
19247 (sh_deferred_function_attributes): New variable.
19248 (sh_deferred_function_attributes_tail): Likewise.
19249 (print_operand): For '@', look up trap_exit attribute.
19250 (calc_live_regs): Look up trapa_handler attribute. For trapa
19251 handlers, save/restore fpscr, but don't do any other
19252 interrupt-specific saves.
19253 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19254 Fix check for partially saved registers to check for SHmedia.
19255 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19256 (sh_output_function_epilogue): Don't clear any of the removed
19258 (sh_insert_attributes): Don't check pragma_interrupt.
19259 Insert deferred attributes. Check that interrupt attribute is
19260 present for other attributes that require its presence.
19261 (sh_attribute_table): Add new attributes trapa_handler and
19263 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19264 Don't check for pragma_interrupt. Don't store argument.
19265 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19266 (sh_deferred_function_attributes): Declare.
19267 (sh_deferred_function_attributes_tail): Likewise.
19268 * sh.md (sp_switch_1): Add operand. Change generator caller.
19269 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19270 (*return_i): Don't use when trap_exit attribute is in effect.
19271 (*return_trapa): New insn pattern.
19272 * sh-c.c: New file.
19273 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19274 setting c_target_objs and cxx_target_objs.
19275 * t-sh: Add rule for sh-c.o.
19277 2006-01-30 Richard Guenther <rguenther@suse.de>
19280 * gimplify.c (gimplify_target_expr): Handle easy cases
19281 without creating a temporary.
19283 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19285 * vec.h (safe_grow): Remove duplicated line.
19287 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19290 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19291 (expand_omp): ... here.
19292 (expand_omp_parallel): Only remove barriers for combined
19293 parallel+workshare constructs.
19295 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19299 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19300 * tree.c (build_qualified_type): Chain the new type to the original
19301 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19302 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19303 (build_pointer_type_for_mode): Only return unqualified types.
19304 (build_reference_type_for_mode): Likewise.
19306 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19308 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19309 * Makefile.in (CXX_COMPAT_WARN): Define.
19310 * configure: Regenerate.
19312 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19315 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19318 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19320 * toplev.c: Fix thinko.
19322 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19323 Marcin Dalecki <martin@dalecki.de>
19325 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19326 (push_srcloc): Use XNEW.
19327 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19329 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19331 * df-core.c (df_set_blocks): Deleted all variable.
19333 2006-01-28 Ian Lance Taylor <ian@airs.com>
19335 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19336 cgraph_output_pending_asms.
19338 2006-01-28 Zack Weinberg <zackw@panix.com>
19340 * c.opt: Add -W(no-)overlength-strings.
19341 * doc/invoke.texi: Document it.
19342 * c-opts.c (c_common_handle_option): -pedantic implies
19343 -Woverlength-strings, if not explicitly disabled already.
19344 (c_common_post_options): -Woverlength-strings defaults to off, and
19345 is always off for C++.
19346 * c-common.c (fix_string_type): Issue warning about strings longer
19347 than is portable only if warn_overlength_strings. Rearrange code
19348 a little for clarity.
19349 * configure.in: Check for -Wno-overlength-strings as well before
19350 enabling -pedantic in stage 1.
19351 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19352 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19354 * genconditions.c (write_header, write_one_condition)
19355 (write_conditions, write_writer): Consolidate very long strings
19356 that were broken up to fit in C89 portable limit. Don't use
19357 printf when fputs will do.
19359 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19361 * combine.c (simplify_comparison <AND>): Check
19362 TRULY_NOOP_TRUNCATION before start using a subreg.
19364 * config/mips/mips.md (*branch_zero<mode>,
19365 *branch_zero<mode>_inverted, *branch_equality<mode>,
19366 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19367 Remove mode check from comparisons.
19369 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19371 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19373 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19375 * expmed.c (const_mult_add_overflow_p): Remove.
19376 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19378 * recog.c (validate_replace_rtx_subexp): Remove.
19379 * recog.h: Remove the prototype for
19380 validate_replace_rtx_subexp.
19382 * integrate.h: Remove the prototype for
19383 copy_decl_for_inlining.
19384 * rtl.h: Remove the prototype for mark_constant_function.
19385 * tree-vectorizer.h: Remove the prototype for
19386 vect_strip_conversion.
19388 * modulo-sched.c (create_partial_schedule,
19389 free_partial_schedule, reset_partial_schedule): Make them
19392 * hooks.c (hook_bool_rtx_int_false): Remove.
19393 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19395 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19397 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19398 and -mlong-double-128 are incompatible.
19399 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19400 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19401 (TARGET_LIBGCC2_CFLAGS): Define.
19402 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19403 (TARGET_LIBGCC2_CFLAGS): Same.
19404 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19406 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19409 * c-typeck.c (build_binary_op): Perform implicit casts of
19410 operands before shortening them.
19412 * cfgloopmanip.c (split_loop_bb): Remove.
19413 * cfgloop.h: Remove the prototype for split_loop_bb.
19415 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19416 * cfgloop.h: Remove the prototype for
19417 flow_loop_outside_edge_p.
19419 * emit-rtl.c (init_virtual_regs): Make it static.
19420 * function.h: Remove the prototype for init_virtual_regs.
19422 * recog.c (peephole2_optimize): Make it static.
19423 * recog.h: Remove the prototype for peephole2_optimize.
19425 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19427 * df-scan.c (df_record_entry_block_defs): Check if
19428 INCOMING_RETURN_ADDR_RTX is defined.
19430 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19431 Kenneth Zadeck <zadeck@naturalbridge.com>
19433 PR rtl-optimization/24762
19434 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19435 * targhooks.c (hook_void_bitmap): New hook prototype.
19436 * targhoohs.h (hook_void_bitmap): Ditto.
19437 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19438 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19439 * target.h (live_on_entry): New function pointer.
19440 * df-scan.c (df_all_hard_regs): Removed.
19441 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19442 (df_scan_free_internal): Added df->entry_block_defs.
19443 (df_scan_alloc): Ditto.
19444 (df_scan_dump): Ditto.
19445 (df_uses_record): Plumbed flag field properly thru calls.
19446 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19447 This part fixes PR24762.
19448 (df_bb_refs_record): Added code to make the frame and arg
19449 pointers live in EH blocks.
19450 (df_refs_record): Added call to df_record_entry_block_defs.
19451 (df_record_entry_block_defs): New function.
19452 * df-core.c: Added comments to describe new artifical defs.
19453 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
19454 (entry_block_defs): New field in struct df.
19455 (df_all_hard_regs): Deleted.
19456 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19457 * df-problems.c (df_ru_bb_local_compute_process_def):
19458 Added code to handle artifical defs in the entry to a function.
19459 (df_ru_bb_local_compute): Ditto.
19460 (df_rd_bb_local_compute_process_def): Ditto.
19461 (df_rd_bb_local_compute): Ditto.
19462 (df_lr_bb_local_compute): Ditto.
19463 (df_ur_bb_local_compute): Ditto.
19464 (df_urec_bb_local_compute): Ditto.
19465 (df_chain_create_bb): Ditto.
19466 (df_ur_local_finalize): Removed entry.
19467 (df_urec_init): Ditto.
19468 (df_urec_local_finalize): Ditto.
19469 (df_ri_bb_compute): Added detection of last use of pseudos.
19470 * Makefile.in (df-scan.o): Updated dependencies.
19471 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
19472 * config/mips/mips.c (mips_set_live_on_entry): Added.
19473 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
19475 * dce.c (marked_insn_p): Added code to handle artifical defs.
19477 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19479 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
19481 (_mm_cvtsi128_si64): Likewise.
19482 (_mm_cvtsd_si64): Likewise.
19483 (_mm_cvttsd_si64): Likewise.
19484 (_mm_cvtsi64_sd): Likewise.
19485 (_mm_cvtsi64_si128): Likewise.
19486 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19487 (_mm_cvtsi64_m64): Likewise.
19488 (_m_to_int64): Likewise.
19489 (_mm_cvtm64_si64): Likewise.
19490 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19491 (_mm_cvttss_si64): Likewise.
19492 (_mm_cvtsi64_ss): Likewise.
19493 (_mm_cvtss_f32): Likewise.
19495 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19497 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19498 for pragma redefine_extname.
19500 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19503 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19504 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19505 -mno-minimal-toc to previous content.
19506 (bispecs): Remove goal.
19507 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19508 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19509 compatibility aliases on powerpc-*-*gnu*.
19510 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19511 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19512 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19513 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19514 (ldblspecs): New goal.
19515 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19516 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19518 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19519 L_sf_to_tf or L_df_to_tf is defined.
19521 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19522 Alan Modra <amodra@bigpond.net.au>
19525 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19526 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19527 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19528 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19529 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19530 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19531 (rs6000_override_options): Initialize rs6000_ieeequad.
19532 Initialize TFmode format to ibm_extended_format if not
19534 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19536 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19537 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19538 (function_arg_advance): IBM long double passed in two FPRs, not
19540 (function_arg): IBM long double passed in FPRs.
19541 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19542 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19543 Only multireg GPR aligned.
19544 (rs6000_init_libfuncs): Enable IBM long double functions if not
19546 (rs6000_generate_compare): Use IBM long double compare if not
19548 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19549 (TARGET_IEEEQUAD): Define.
19550 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19551 not TARGET_IEEEQUAD.
19552 * config/rs6000/rs6000.md: Enable TFmode patterns if
19554 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19555 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19556 and -mlong-double-128 are incompatible.
19557 * doc/invoke.texi (-mabi): Collect options together. Add
19558 ibmlongdouble and ieeelongdouble.
19560 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19562 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19564 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19565 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19566 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19567 * rtl.h (rtunion_def): Remove rt_ptr.
19569 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19570 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19571 * config/i386/winnt.c (i386_pe_mark_dllexport)
19572 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19574 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19576 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19578 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19582 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19583 pthread_key_delete. From John David Anglin. gthrw-ify
19584 pthread_getunique_np only if it it's not a macro. Delete
19586 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19587 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19588 __gthread_objc_condition_signal, __gthread_key_delete): Add
19589 "__attribute__ ((__unused__))" to unused arguments.
19590 (__gthread_recursive_mutex_init_function): Add missing return.
19591 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19592 gthr-posix95.h: Use macro-based approach for name redirection
19593 on targets missing weakref.
19595 2006-01-26 Zack Weinberg <zackw@panix.com>
19597 * genconditions.c (write_header): In generated code, #ifdef out
19598 all includes and fake declarations, except includes of bconfig.h
19599 and system.h, unless GCC_VERSION >= 3001. Do not include
19600 gensupport.h in any case.
19601 (write_conditions): Generate a definition of struct c_test. Add
19602 a comment to the generated #endif.
19603 (write_one_condition): Escape backslashes in string too.
19604 (write_writer): Generated code must escape backslashes and quote
19605 marks (but not newlines) in the strings it writes.
19606 * Makefile.in (build/gencondmd.o): Update dependencies.
19608 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19611 * Makefile.in (insn-automata.o): Add header file dependencies.
19612 * genautomata.c: Add includes.
19614 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19617 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19619 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19621 * configure.ac: Expect target tools paths to be passed from the toplevel
19622 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19624 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19626 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19629 * c.opt (Wpointer-sign): Init to -1.
19630 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19631 OPT_pedantic, to 0 otherwise.
19632 * doc/invoke.texi: Update.
19634 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19636 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19637 constants provided by 80387 instructions in the destination mode.
19639 2006-01-26 Richard Guenther <rguenther@suse.de>
19640 Andrew Pinski <pinskia@physics.uc.edu>
19643 partial PR tree-opt/17064
19644 * tree-ssa-structalias.c (intra_create_variable_infos):
19645 Create heap variables for incoming parameters if
19646 flag_argument_noalias > 1.
19647 (find_what_p_points_to): Look through default defs of
19650 2006-01-26 Jeff Law <law@redhat.com>
19653 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
19654 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
19655 within the VR_RANGE, use the VR_RANGE as the result, not the
19657 (adjust_range_with_scev): Reject ranges from SCEV which are out of
19658 bounds for the type.
19660 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
19662 * tree-ssa-alias.c (maybe_create_global_var): Change
19663 subvar walking to an assertion that we don't have subvar'd variables.
19665 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19668 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19669 Use a new variable, inner. PARM_DECLs are always non-weak.
19671 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19673 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19674 --disable-checking.
19676 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19678 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19680 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19682 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19683 (smax_insn, smin_insn, smax_0, smin_0): New.
19685 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19688 * config/cris/cris.c (cris_order_for_addsi3): New function.
19689 * config/cris/cris-protos.h: Prototype it.
19690 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19691 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19692 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19693 (split for "op.S1 [rx=rx+i],ry (swapped)")
19694 (split for "op(s|u).S1 [rx=rx+i],ry")
19695 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19696 Apply cris_order_for_addsi3 when generating addsi3 insns.
19698 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19700 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19701 (TREE_BLOCK): Add call to EXPR_CHECK.
19703 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19706 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19707 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19708 (dump_omp_clauses): ... here.
19709 (dump_generic_node): Handle OMP_CLAUSE.
19710 * tree.c (omp_clause_num_ops): New.
19711 (omp_clause_code_name): New.
19712 (tree_code_size): Handle OMP_CLAUSE.
19713 (tree_size): Likewise.
19714 (make_node): Document handling of OMP_CLAUSE.
19715 (tree_node_structure): Handle OMP_CLAUSE.
19716 (omp_clause_check_failed): New.
19717 (omp_clause_range_check_failed): New.
19718 (omp_clause_operand_check_failed): New.
19719 (build_omp_clause): New.
19720 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
19721 * tree.h (enum omp_clause_code): Declare.
19722 (OMP_CLAUSE_SUBCODE_CHECK): Define.
19723 (OMP_CLAUSE_RANGE_CHECK): Define.
19724 (OMP_CLAUSE_ELT_CHECK): Define.
19725 (omp_clause_check_failed): Declare.
19726 (omp_clause_operand_check_failed): Declare.
19727 (omp_clause_range_check_failed): Declare.
19728 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
19729 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
19730 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
19731 (OMP_CLAUSE_LASTPRIVATE): Likewise.
19732 (OMP_CLAUSE_IF_EXPR): Likewise.
19733 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
19734 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
19735 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
19736 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
19737 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
19738 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
19739 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
19740 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
19741 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
19742 (OMP_CLAUSE_CODE): Define.
19743 (OMP_CLAUSE_SET_CODE): Define.
19744 (OMP_CLAUSE_CODE): Define.
19745 (OMP_CLAUSE_OPERAND): Define.
19746 (struct tree_omp_clause): Declare.
19747 (union tree_node): Add field 'omp_clause'.
19748 * treestruct.def (TS_OMP_CLAUSE): Define.
19749 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
19750 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
19751 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
19752 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
19753 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
19754 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
19755 (OMP_CLAUSE): Define.
19756 * print-tree.c (print_node): Handle OMP_CLAUSE.
19757 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
19758 * c-typeck.c: Likewise.
19759 * gimplify.c: Likewise.
19760 * c-omp.c: Likewise.
19761 * tree-nested.c: Likewise.
19762 * tree-inline.c: Likewise.
19763 * c-parser.c: Likewise.
19764 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
19767 2006-01-25 Roger Sayle <roger@eyesopen.com>
19769 PR rtl-optimization/25703
19770 * combine.c (try_combine): Handle zero_extract and strict_low_part
19771 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
19773 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
19775 * global.c: Fix comment typos.
19777 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
19780 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
19781 Use output_addr_const instead of assemble_name.
19783 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
19785 * Makefile.in (sched-vis.o): Update dependencies.
19786 * haifa-sched.c (sched_finish): Clear current_sched_info.
19787 * cfg.c (dump_bb_info): New, split from dump_flow_info.
19788 (dump_flow_info): Call it.
19789 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
19791 * basic-block.h (dump_bb_info): Declare.
19792 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
19793 option, and apply options only for dump files whose TDF_RTL,
19794 TDF_TREE, or TDF_IPA bits match.
19795 * rtl.h: Declare new functions exported from sched-vis.c.
19796 * sched-vis.c: Enable also if scheduling is not used.
19797 (print_value): Print the mode of registers if not inside scheduling.
19798 (print_insn): Make it work outside the scheduler. Beautify the output
19800 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
19802 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19804 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
19805 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
19806 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
19807 depending on the value of CONSTANT_POOL_ADDRESS_P.
19808 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
19810 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
19811 rather than SYMBOL_REF_DECL.
19812 (rtx_constant_pool): Remove const_rtx_sym_htab.
19813 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
19814 (init_varasm_status): Don't initialize const_rtx_sym_htab.
19815 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
19816 Remove handling of const_rtx_sym_htab.
19817 (find_pool_constant): Delete.
19818 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
19819 rather than find_pool_constant.
19820 (get_pool_constant_for_function): Delete.
19821 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
19822 find_pool_constant.
19823 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
19824 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
19825 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
19826 (SYMBOL_REF_CONSTANT): New macro.
19827 (get_pool_constant_for_function): Delete.
19828 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
19829 rather than SYMBOL_REF_DECL.
19830 (i386_pe_mark_dllimport): Likewise.
19831 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
19832 rather than SYMBOL_REF_DECL.
19833 * config/darwin.c (machopic_indirect_data_reference): Likewise.
19834 (machopic_indirect_call_target): Likewise.
19836 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
19838 * flow.c (delete_noop_moves): Add missing EOL to dump message.
19840 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19842 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
19844 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
19846 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
19848 2006-01-24 David Daney <ddaney@avtrex.com>
19851 * configure.ac (enable_tls): New enable option.
19852 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
19853 * configure: Regenerate.
19854 * doc/install.texi (--enable-tls): Document new option.
19855 (--disable-tls): Ditto.
19857 2006-01-24 Richard Henderson <rth@redehat.com>
19859 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
19860 * alias.c (true_dependence): Respect it.
19861 (canon_true_dependence, write_dependence_p): Likewise.
19862 * builtins.c (get_builtin_sync_mem): Set it.
19864 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
19866 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
19869 2006-01-24 DJ Delorie <dj@redhat.com>
19871 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
19872 for storing constants in single-bit bitfields.
19874 2006-01-25 Ben Elliston <bje@au.ibm.com>
19876 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
19878 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
19881 * tree-ssa-pre.c (phi_translate): Return NULL
19882 for AGGREGATE_TYPE's.
19884 2006-01-24 Zack Weinberg <zackw@panix.com>
19886 * genautomata.c (process_state_for_insn_equiv_partition):
19887 Use xcalloc for insn_arcs_array.
19888 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
19889 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
19891 2006-01-24 Richard Henderson <rth@redhat.com>
19893 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
19894 update all callers.
19896 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
19898 PR rtl-optimization/25890
19899 PR rtl-optimization/25905
19900 * combine.c (expand_compound_operation, expand_field_assignment):
19901 Fail if the bitfield's final position is out of bounds.
19903 2006-01-24 Ian Lance Taylor <ian@airs.com>
19905 PR middle-end/25930
19906 * cgraphunit.c (cgraph_output_in_order): Don't clear
19907 cgraph_asm_nodes until after asm strings have been output.
19909 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
19911 * fix-header.c (read_scan_file): Add new parameter imultilib when
19912 calling register_include_chains.
19914 2006-01-23 Diego Novillo <dnovillo@redhat.com>
19916 * omp-low.c: Update documentation.
19918 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19919 Daniel Berlin <dberlin@dberlin.org>
19923 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
19924 return from the function.
19926 2006-01-22 Zack Weinberg <zackw@panix.com>
19928 * rtl.def (match_code): Add second argument.
19929 * genpreds.c (write_extract_subexp): New function.
19930 (write_match_code): Add path argument. Use write_extract_subexp.
19931 (write_predicate_expr): Pass path to write_match_code.
19932 (mark_mode_tests): MATCH_CODE applied to a subexpression does
19933 not perform a mode test.
19934 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
19935 a subexpression does not constrain the top-level code set.
19936 * read-rtl.c (read_rtx_variadic): New function.
19937 (read_rtx_1): Use it; allow AND and IOR to be variadic.
19938 * doc/md.texi: Document new notation.
19939 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
19940 (cmpsi_operand): ... here, using new notation.
19942 2006-01-22 Zack Weinberg <zackw@panix.com>
19944 * varray.c: Remove GENERATOR_FILE #ifdefs.
19946 2006-01-22 Zack Weinberg <zackw@panix.com>
19948 * genautomata.c (output_reserved_units_table): Emit nothing if
19949 description->query_units_num is zero. Remove extra blank line.
19950 (output_cpu_unit_reservation_p): Short circuit
19951 if description->query_units_num is zero.
19953 2006-01-22 Zack Weinberg <zackw@panix.com>
19955 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
19956 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
19957 nor any of the random handful of variables that used to be necessary
19958 when this program was linked with rtlanal.o. Prune set of forward
19959 function declarations.
19960 (struct attr_desc): Remove static_p field.
19961 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
19962 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
19963 (attr_string): Do not read the character one past the length of
19965 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
19966 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
19967 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
19968 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
19969 (make_automaton_attrs): New.
19970 (main): Do not call into genautomata. Call local gen_bypass
19971 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
19972 Remove special case for insn_alts.
19973 * genautomata.c: Include gensupport.h; not genattrtab.h nor
19974 varray.h (leftover from previous change). Prune set of forward
19975 function declarations. Remove state_alts fields from all
19976 structures. Remove state_alts_table from struct automaton.
19977 Make everything except main static. Do not maintain num_dfa_decls.
19978 Do not maintain state_alts fields of various structures.
19979 (process_decls): Don't validate condexp for dm_insn_reserv decls.
19980 (add_arc): Remove state_alts argument. All callers updated.
19981 (output_reserved_units_table): Emit #ifdef here...
19982 (output_tables): ...not here. Don't generate state_alts tables.
19983 (expand_automata): Don't generate attributes.
19984 (write_automata): Don't generate state_alts functions.
19985 (main): New function.
19986 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
19987 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
19988 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
19989 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
19990 (BYPASS_P_FUNC_NAME, output_state_alts_table)
19991 (output_automata_list_state_alts_code, output_internal_state_alts_func)
19992 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
19993 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
19995 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
19996 * genattrtab.h: Delete file.
19997 * Makefile.in (OBJS-common): Add insn-automata.o.
19998 (insn-automata.o): New rule.
19999 (simple_generated_c): Add insn-automata.c.
20000 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20001 (genprogmd): Add automata.
20002 (build/genattrtab): Needs no extra objects nor libraries.
20003 (build/genautomata): Needs build/vec.o and -lm.
20005 2006-01-22 Zack Weinberg <zackw@panix.com>
20007 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20008 (output_dfa_max_issue_rate, locked_states_num): Delete.
20009 (struct automaton): Add locked_states field.
20010 (output_dead_lock_vect): Save number of locked states in
20011 automaton->locked_states. If it is zero, don't print anything.
20012 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20013 (output_internal_dead_lock_func): Only test the dead_lock_vect
20014 for automata that have locked states.
20015 (output_statistics): Always print the number of locked states for
20016 each automaton. Calculate total number of locked states here.
20017 (write_automata): Don't call output_dfa_max_issue_rate.
20018 * genattrtab.c: Define length_unit_log as a const variable.
20019 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20020 max_insn_queue_index const.
20021 * final.c (length_unit_log): Declare const.
20022 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20024 2006-01-22 Zack Weinberg <zackw@panix.com>
20026 * genautomata.c: Include vec.h, not varray.h.
20027 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20028 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20029 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20030 VEC_* macros operating on appropriately typed vectors, or to
20031 malloced arrays when the size is known in advance. Const-ify
20032 many char* variables and function arguments. No functional changes.
20033 * Makefile.in (build/varray.o): Delete rule.
20034 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20035 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20037 2006-01-22 Zack Weinberg <zackw@panix.com>
20039 * gensupport.c: Define get_insn_name and record_insn_name here.
20040 (read_md_rtx): Call record_insn_name as appropriate.
20041 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20042 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20043 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20045 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20046 (BUILD_VARRAY): Delete.
20047 (genprognormal): Rename genprogmd. Fold in all programs from
20048 genprognoprint; also attrtab.
20049 (build/genattrtab): Just mention genautomata.o and varray.o.
20050 Reorganize a bit, add comments to make the categories clearer.
20052 2006-01-22 Zack Weinberg <zackw@panix.com>
20054 * genconditions.c (condition_table, add_condition): Delete.
20055 (write_conditions): Don't emit n_insn_conditions nor
20056 insn_elision_unavailable. Issue the gcc version #ifdef here,
20057 inside the table, with no #else clause ...
20058 (write_header): ...not here.
20059 (write_writer): New function.
20060 (main): Don't initialize condition_table. Use add_c_test.
20062 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20063 files on the command line.
20064 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20065 Return -1 if there is no entry in the table, don't abort.
20066 (add_c_test, traverse_c_tests): New functions.
20067 * gensupport.h (insn_elision_unavailable, insn_conditions)
20068 (n_insn_conditions): Delete declarations.
20069 (add_c_test, traverse_c_tests): Declare.
20070 * read-rtl.c: Include gensupport.h.
20071 (read_conditions): New function.
20072 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20073 (read_rtx_1): If we get EOF when we were looking for an initial
20074 open paren, return 0. Call read_conditions when appropriate.
20075 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20076 dummy-conditions.o. Eliminate references to insn-conditions.o,
20077 or change them to build/gencondmd.o, as appropriate. Remove
20078 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20079 from $(simple_generated_c). For all files remaining in those
20080 two lists, add insn-conditions.md to the generator command line.
20081 Give insn-constants.h/s-constants their own rules. Add rules
20082 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20083 (build/read-rtl.o): Depend on gensupport.h.
20084 (genprognormal): Include preds.
20085 (genprogearly): Rename genprognoprint; only difference is now that
20086 they don't link with $(BUILD_PRINT).
20087 * dummy-conditions.c: Delete.
20089 2006-01-22 Zack Weinberg <zackw@panix.com>
20091 * genextract.c: Don't include insn-config.h. Do include vec.h.
20092 Declare vectors of int, char, and locstr.
20093 (locstr): New typedef.
20094 (struct extraction): Make all array fields into bare pointers.
20095 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20096 (insn_code_number): Delete.
20097 (accum_extract): New struct.
20098 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20099 (gen_insn): Take insn_code_number as an argument. Use an
20100 accum_extract structure instead of loading data directly into
20101 a struct extraction, and having to know how big it might get.
20102 (walk_rtx): Operate entirely on an accum_extract structure.
20103 (print_path): Avoid unnecessary use of printf.
20104 (print_header): New function, split out of main. Distinguish
20105 more carefully between an unrecognizable insn and an insn that
20106 has the code number of a define_expand.
20107 (main): Pass insn_code_number to gen_insn. Call print_header
20108 only after parsing. Avoid unnecessary use of printf.
20109 * Makefile.in (build/vec.o): New rule.
20110 (build/genextract): Depend on build/vec.o.
20111 (build/genextract.o): Don't depend on insn-config.h.
20113 2006-01-22 Zack Weinberg <zackw@panix.com>
20115 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20116 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20117 practical. Eliminate per-generator-program link rules.
20119 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20121 PR middle-end/24437
20122 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20123 with a call expr to ...
20124 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20126 2006-01-23 Richard Guenther <rguenther@suse.de>
20128 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20129 before make_edge with conditional EDGE_TRUE_VALUE.
20131 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20132 Jan Hubicka <jh@suse.cz>
20133 Richard Guenther <rguenther@suse.de>
20135 PR rtl-optimization/25654
20136 * cfgexpand.c (aggregate_contains_union_type): New function.
20137 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20138 for structure variables that contain a union type.
20140 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20142 * gengtype.c (new_structure): Return the structure.
20143 (create_option): Add an extra "next" argument.
20144 (create_field): New function.
20145 (adjust_field_rtx_def): Use create_option and create_field.
20146 Remove a now-unnecessary call to find_structure.
20147 (adjust_field_tree_def): Likewise.
20148 (note_yacc_type): Remove an unnecessary call to find_structure.
20149 * gengtype.h (new_structure): Return the structure.
20150 (create_option): Add an extra argument.
20151 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20152 (option): Adjust calls to create_option.
20154 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20156 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20158 2006-01-22 Paul Brook <paul@codesourcery.com>
20159 Peter Barada <peter@the-baradas.com>
20161 * config/m68k/m68k.md: Add Coldfire FPU support.
20162 Define FP mode macro and associated attributes.
20163 Use it for float mode patterns.
20164 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20165 (LIBCALL_VALUE): Use m68k_libcall_value.
20166 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20167 (m68k_function_value): Ditto.
20168 (emit_move_sequence): Ditto.
20169 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20170 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20171 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20172 (MULTILIB_EXCEPTIONS): Ditto.
20173 * config/m68k/m68k.opt: Add mcfv4e.
20174 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20175 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20176 (m68k_output_function_prologue): Save ColdFire FPU registers.
20177 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20178 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20179 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20180 ColdFire FPU registers.
20181 (m68k_libcall_value, m68k_function_value): New functions.
20182 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20183 (LIBCALL_VALUE): Use m68k_libcall_value.
20184 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20185 (MASK_COLDFIRE): Add MASK_CFV4E.
20186 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20187 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20188 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20189 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20190 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20191 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20192 * doc/invoke.tex: Document -mcfv4e on m68k.
20194 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20196 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20199 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20202 * c-opts.c (c_common_handle_option): Don't include
20203 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20204 * doc/invoke.texi (C++ Dialect Options): Document that
20205 -Wnon-virtual-dtor is no longer included in -Wall.
20207 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20209 * gcov.c (print_version), gcov-dump.c (print_version),
20210 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20213 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20215 * df-scan.c (problem_SCAN): Added NULL reset function.
20216 (df_scan_reset_blocks): Added code to call reset block function
20217 (df_bb_refs_delete) Fixed comment.
20218 (df_insn_refs_delete): Made tolerant of deleting non existent info
20219 for dataflow problems that need to be reset.
20220 * df-core.c (df_set_blocks): Ditto.
20221 * df.h (struct df_problem): Added reset_fun.
20222 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20223 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20224 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20225 functions to clear out all references to def-use or use-def chains.
20227 2006-01-21 Ben Elliston <bje@au.ibm.com>
20229 * varasm.c (assemble_real): Initialise data array.
20231 2006-01-20 Paul Brook <paul@codesourcery.com>
20233 Merge from csl-arm-branch.
20234 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20235 * config/arm/arm.md (movdi): Force operands[1] to a register
20236 if we have a non-register source.
20237 (*arm_movdi, *movdf_soft_insn): Require that one of the
20238 operands be a register.
20239 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20240 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20242 2006-01-20 DJ Delorie <dj@redhat.com>
20244 * varasm.c (initializer_constant_valid_p): Allow pointers
20245 initialized from integer constants of lesser precision.
20246 (output_constant): Allow non-int-sized pointer modes to be
20247 initialized from integer constants.
20249 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20252 * cppdefault.h (struct default_include): Add multilib flag.
20253 * cppdefault.c (cpp_include_defaults): Set it.
20254 * c.opt (-imultilib): New option.
20255 * c-opts.c (imultilib): New.
20256 (c_common_handle_option): Handle -imultilib.
20257 (c_common_post_options): Likewise.
20258 * c-incpath.c (add_standard_paths, register_include_chains):
20260 * c-incpath.h (register_include_chains): Add extra parameter.
20261 * gcc.c (do_spec_1): Generate -imultilib option.
20262 (The Specs Language): Update %I description.
20263 (process_command): Update copyright notice.
20264 * doc/cppopts.texi (-imultilib): Document.
20265 * doc/invoke.texi (-imultilib): Include in option summary.
20266 (%I): Update specs documentation.
20268 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20270 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20272 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20274 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20277 2006-01-20 Richard Guenther <rguenther@suse.de>
20278 Steven Bosscher <stevenb.gcc@gmail.com>
20280 PR rtl-optimization/24626
20281 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20282 EDGE_TRUE_VALUE if in RTL mode.
20285 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20286 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20288 2006-01-20 Dirk Mueller <dmueller@suse.com>
20291 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20292 instead of a special NOP marker.
20293 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20294 NOP marker handling.
20295 * c-common.h (empty_body_warning): Add forward declaration.
20296 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20297 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20299 2006-01-20 Paul Brook <paul@codesourcery.com>
20301 * Makefile.in (lang_checks): Keep going if mkdir fails.
20303 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20305 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20306 be able to clean out basic block when not necessary.
20307 (df_scan_free): Fixed to properly delete information if df is
20308 unused before calling df_finish.
20309 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20310 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20312 (df_bb_refs_delete): New function.
20313 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20314 * df-core.c (df_set_blocks): Added code to properly clean out
20315 unused blocks if they are not part of the blocks to consider.
20316 Added additional null check.
20317 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20318 be able to clean out basic block when not necessary
20319 * df.h (df_free_bb_function): Ditto.
20320 (df_bb_refs_delete): New function.
20321 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20322 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20323 basic block parameter to be able to clean out basic block when not
20325 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20326 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20327 Fixed to properly delete information if df is unused before
20330 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20332 PR rtl-optimization/25799
20333 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20334 Corrected confluence operator to remove bits from op2 before oring
20335 with op1 rather than removing bits from op1.
20336 (df_ru_transfer_function): Corrected test on wrong bitmap which
20337 caused infinite loop. Both of these problems were introduced in
20338 the dataflow rewrite.
20340 2006-01-19 DJ Delorie <dj@redhat.com>
20342 * reload1.c (find_reload_regs): Note the details of reload
20343 failures in the dump file.
20344 (spill_failure): Likewise.
20346 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20348 * loop-iv.c: Include df.h and hashtab.h.
20349 (enum iv_grd_result): New enum.
20350 (DF_REF_IV, DF_REF_IV_SET): New macros.
20351 (struct biv_entry): New.
20352 (df, bivs): New global variables.
20353 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20354 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20356 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20357 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20358 analyzed_for_bivness_p, record_biv): New functions.
20359 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20360 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20361 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20363 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20365 (iv_number_of_iterations): Use new interface to iv analysis.
20366 * loop-unroll.c: Do not include varray.h.
20367 (analyze_iv_to_split_insn): Use new interface to iv
20369 * loop-unswitch.c (may_unswitch_on): Ditto.
20370 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20372 (df_bb_modify): Realloc tables to the new index.
20373 (df_find_use): New function.
20374 * df.h (df_find_use): Declare.
20375 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20377 * cfgloop.h (struct rtx_iv): Remove analysed field.
20378 (iv_get_reaching_def): Removed.
20379 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20380 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20381 (loop-iv.o): Add df.h and hashtab.h dependency.
20382 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20384 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20387 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20389 (__floatundisf, __floatundidf): Likewise.
20390 * libgcc2.h (IS_IBM_EXTENDED): Define.
20392 2006-01-19 DJ Delorie <dj@redhat.com>
20394 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20396 2006-01-19 Paul Brook <paul@codesourcery.com>
20398 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20399 as nothrow when unwinding tables are disabled.
20401 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20404 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20405 of bit-field" when in system header.
20407 2006-01-19 DJ Delorie <dj@redhat.com>
20409 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20410 the 16 bit shift limit of the m16c.
20412 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20415 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20416 * config/i386/i386.c (output_set_got): Output the label if we have one
20417 for the TARGET_DEEP_BRANCH_PREDICTION case.
20419 2006-01-19 Jan Hubicka <jh@suse.cz>
20420 H.J. Lu <hongjiu.lu@intel.com>
20421 Evandro Menezes <evandro.menezes@amd.com>
20423 * invoke.texi (generic): Document
20425 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20426 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20427 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20428 (x86_use_incdec, x86_pad_returns): New variables
20429 (TARGET_CPU_DEFAULT_generic): New constant
20430 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20431 (enum processor_type): Add generic32 and generic64.
20432 * i386.md (cpu attribute): Add generic32/generic64
20433 (movhi splitter): Behave sanely when both partial_reg_dependency and
20434 partial_reg_stall are set.
20435 (K8 splitters): Enable for generic as well.
20436 * predicates.md (incdec_operand): Use TARGET_INCDEC
20437 (aligned_operand): Avoid memory mismatch stalls.
20438 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20439 * ppro.md: Enable for generic32
20440 * i386.c (generic64_cost, generic32_cost): New.
20441 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20442 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20443 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20444 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20445 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20446 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20447 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20448 x86_accumulate_outgoing_args, x86_prologue_using_move,
20449 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20450 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
20451 Enable for generic.
20452 (x86_use_incdec, x86_pad_returns): New.
20453 (override_options): Add generic32 and generic64, translate "generic"
20454 to generic32/generic64 and "i686" to "generic32", refuse
20455 "generic32"/"generic64" as arch target.
20456 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
20457 (ix86_reorg): Honor PAD_RETURNS.
20459 2006-01-19 Diego Novillo <dnovillo@redhat.com>
20461 * tree-pretty-print.c (dump_generic_node): Handle
20462 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
20463 * cgraph.c (cgraph_expand_queue): Rename from
20464 cgraph_analyze_queue. Update all users.
20465 * cgraphunit.c (cgraph_assemble_pending_functions): Process
20466 cgraph_expand_queue.
20467 (cgraph_expand_all_functions): Likewise.
20468 (cgraph_finalize_pending_functions): Remove. Update callers.
20470 * tree.h (OMP_DIRECTIVE_P): Define.
20471 (OMP_PARALLEL_FN): Define.
20472 (OMP_PARALLEL_DATA_ARG): Define.
20473 (OMP_SECTIONS_SECTIONS): Define.
20474 * tree-pass.h (pass_expand_omp): Declare.
20475 * omp-low.c (struct omp_region): Declare.
20476 (struct omp_context): Remove fields 'parallel_type',
20477 'parallel_start_ix' and 'parallel_start_additional_args'.
20479 (struct omp_for_data): Rename from struct expand_omp_for_data.
20480 (omp_regions): New static variable.
20481 (root_omp_region): New static variable.
20482 (find_omp_clause): Make static.
20483 (is_in_combined_parallel_ctx): Remove.
20484 (is_combined_parallel): New.
20485 (extract_omp_for_data): Move earlier in the file.
20486 (workshare_safe_to_combine_p): New.
20487 (get_ws_args_for): New.
20488 (determine_parallel_type): Move earlier in the file.
20489 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20491 (omp_copy_decl): Likewise.
20492 (create_omp_child_function): Likewise.
20493 (lookup_omp_region): New.
20494 (dump_omp_region): New.
20495 (debug_omp_region): New.
20496 (debug_all_omp_regions): New.
20497 (new_omp_region): New.
20498 (scan_omp_parallel): If parallel_nesting_level > 1, the
20499 directive is nested within another parallel directive.
20500 Set OMP_PARALLEL_FN.
20501 (scan_omp_for): Do not try to handle combined parallel+for
20503 Remove FIXME comment.
20504 (scan_omp_nested): Remove.
20505 (scan_omp_1): Do not call scan_omp_nested when
20506 parallel_nesting_level is > 1.
20507 Do not change the DECL_CONTEXT of local variables found.
20508 (lookup_decl_in_outer_ctx): New.
20509 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20510 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20511 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20512 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20513 If CTX is nested, lookup VAR in the outer context when
20514 building copy assignment.
20515 (lower_send_clauses): Rename from expand_send_clauses.
20516 If CTX is nested, lookup VAR in the outer context when
20517 building copy assignments.
20518 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20519 If CTX is nested, lookup VAR in the outer context when
20520 building copy assignments.
20521 (expand_parallel_call): Rename from build_parallel_call.
20522 Handle combined parallel+workshare cases.
20523 Re-implement to emit code into the CFG.
20525 (expand_omp_parallel): Re-implement to emit code into the CFG.
20526 Call move_sese_region_to_fn to outline the sub-graph
20527 containing the parallel region.
20528 (expand_omp_for_1): Remove.
20529 (expand_omp_for_generic): Re-implement to emit code into the
20531 (expand_omp_for_static_nochunk): Likewise.
20532 (expand_omp_for_static_chunk): Likewise.
20533 (expand_omp_for): Likewise.
20534 (expand_omp_sections): Likewise.
20535 (remove_exit_barriers): New.
20536 (expand_omp_synch): New.
20538 (build_omp_regions_1): New.
20539 (build_omp_regions): New.
20540 (execute_expand_omp): New.
20541 (gate_expand_omp): New.
20542 (pass_expand_omp): Define.
20543 (lower_omp_sections): Rename from expand_omp_sections.
20544 Set OMP_SECTIONS_SECTIONS.
20545 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20546 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20547 (lower_omp_single): Rename from expand_omp_simple.
20548 (lower_omp_master): Rename from expand_omp_master.
20549 (lower_omp_ordered): Rename from expand_omp_ordered.
20550 (lower_omp_critical): Rename from expand_omp_critical.
20551 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20552 (lower_omp_for): Re-implement.
20553 (lower_omp_parallel): Re-implement.
20554 (lower_regimplify): Rename from expand_regimplify.
20555 (lower_omp_1): Rename from expand_omp_1.
20556 If there are syntax errors in the program, replace every
20557 OpenMP directive with NOP.
20558 Call lower_omp_* instead of expand_omp_*.
20559 (lower_omp): Rename from expand_omp.
20561 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20562 * tree-gimple.h (enum omp_parallel_type): Remove.
20563 (gimple_boolify): Declare extern.
20564 (find_omp_clause, determine_parallel_type): Remove.
20566 * gimple-low.c (lower_omp_directive): New.
20567 (lower_stmt): Call it.
20568 (record_vars_into): Move from ...
20569 (record_vars): ... here.
20570 Call record_vars_into with current_function_decl.
20572 * gimplify.c (struct gimplify_ctx): Remove fields
20573 combined_pre_p and combined_ctxp. Update users.
20574 (get_formal_tmp_var): Add documentation.
20575 (gimple_boolify): Make extern.
20576 (gimplify_expr_in_ctx): Remove. Update callers.
20577 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20578 will always be a BIND_EXPR.
20579 (gimplify_expr): Handle OMP_RETURN_EXPR.
20580 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20581 (OMP_PARALLEL): Add 3 operands.
20582 (OMP_SECTIONS): Add 1 operand.
20583 (OMP_RETURN_EXPR): Define.
20585 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20586 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20587 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20588 creating a circular free list.
20589 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20591 * tree-flow.h (move_sese_region_to_fn): Declare.
20592 (record_vars_into): Declare.
20593 * tree-cfg.c (make_omp_sections_edges): New.
20594 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20595 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20596 OMP_SECTIONS and OMP_SECTION.
20597 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20598 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20599 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20600 (gather_blocks_in_sese_region): New.
20601 (struct move_stmt_d): Declare.
20602 (move_stmt_r): New.
20603 (move_block_to_fn): New.
20604 (move_sese_region_to_fn): New.
20606 * passes.c (init_optimization_passes): Schedule
20607 pass_expand_omp after pass_init_datastructures.
20609 * tree-ssa-operands.c (get_expr_operands): Handle
20610 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20611 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20613 2006-01-19 Jeff Law <law@redhat.com>
20615 * tree-vrp.c (extract_range_from_assert): Refine the result range
20616 if the variable referenced by the ASSERT_EXPR has a range and
20617 either the tentative result range or the previous range is a
20620 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20622 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20624 2006-01-19 Jan Hubicka <jh@suse.cz>
20626 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20628 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20630 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20631 (expand_compound_operation, expand_field_assignment): Fail if the
20632 bit lengths of an extract operation are out of range.
20633 (make_extraction): Compute wanted_inner_mode based on the position
20634 and length of the extraction. Make it extraction_mode for non-constant
20635 positions, and do not modify offset in that case. When generating a
20636 new MEM, use a mode that can hold the extraction while keeping correct
20637 alignment. Remove code that supported MEMs wrapped by USEs.
20638 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
20640 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
20642 * config/s390/s390.md ("Y", "y"): New mode attribute.
20643 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
20644 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
20645 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
20646 "*addsi3_imm_cc", "*addsi3_carry1_cc",
20647 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
20648 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
20649 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
20650 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
20651 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
20652 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
20653 "addsi3", "subsi3"): Insn patterns removed.
20654 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
20655 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
20656 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
20657 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
20658 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
20659 "*sub<mode>3_cconly2"): New insn patterns.
20660 ("addsi3", "subsi3"): New expanders.
20662 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
20664 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
20665 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
20666 existing STMT_VINFO_VECTYPE if available.
20667 (vect_mark_relevant): Add special handling for stmts that are
20668 marked as STMT_VINFO_IN_PATTERN_P.
20669 (vect_analyze_loop): Call vect_pattern_recog.
20670 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20671 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20673 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20674 (vect_recog_func_ptr): New function-pointer type.
20675 * tree-vect-patterns.c: New file.
20676 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20677 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20678 (vect_pattern_recog_1): New functions.
20679 (vect_pattern_recog_funcs): New array of function pointers.
20681 * tree-vectorizer.h (ternary_op): New enum value.
20682 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20683 declaration. Revised documentation. Removed redundant dump prints.
20684 Removed redundant argument. Added support for reduction patterns.
20685 (vectorizable_reduction): Added support for reduction patterns.
20686 (vect_transform_stmt): Added support for patterns.
20688 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20689 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20690 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20691 (expand_widen_pattern_expr): New function.
20692 (init_optabs): Initialize new optabs udot_prod_optab,
20694 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20695 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20696 (expand_widen_pattern_expr): New function declaration.
20697 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20699 * tree-inline.c (estimate_num_insns_1): Added cases for new
20700 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20701 * tree-pretty-print.c (dump_generic_node): Likewise.
20702 (op_prio): Likewise.
20703 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20704 * tree-ssa-operands.c (get_expr_operands): Added case for
20706 * tree-vect-patterns.c (widened_name_p): New function.
20707 (vect_recog_dot_prod_pattern): Added function implementation.
20708 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20709 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20710 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
20711 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
20713 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
20714 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
20715 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
20716 (init_optabs): Initialize new optabs widen_ssum_optab,
20718 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
20719 (widen_ssum_optab, widen_usum_optab): Define new optabs.
20720 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
20721 use instead of type of def.
20722 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
20723 function implementation.
20724 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
20725 widen_ssumv8hi): New.
20727 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
20730 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20733 * c-decl.c (add_flexible_array_elts_to_size): New function.
20734 (finish_decl): Use it.
20736 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
20738 * diagnostic.h: Include options.h.
20739 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
20740 dependancies for diagnostic.h.
20741 * Makefile.in (DIAGNOSTIC_H): Add options.h.
20743 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
20745 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
20746 (ssa_ro_call_cache_valid): Ditto.
20747 * tree-ssa-alias.c (sort_tags_by_id): New function.
20748 (init_transitive_clobber_worklist): Ditto.
20749 (add_to_worklist): Ditto.
20750 (mark_aliases_call_clobbered): Ditto.
20751 (compute_tag_properties): Ditto.
20752 (set_initial_properties): Ditto.
20753 (compute_call_clobbered): Ditto.
20754 (compute_may_aliases): Call compute_call_clobbered and grouping.
20755 (compute_flow_sensitive_aliasing): Remove clobbering related code.
20756 (compute_flow_insensitive_aliasing): Grouping now happens in our
20758 (setup_pointers_and_addressables): Remove clobbering related code.
20759 (add_may_alias): Ditto.
20760 (replace_may_alias): Ditto.
20761 (get_nmt_for): Ditto.
20762 (create_global_var):
20763 (is_escape_site): Return an escape_type enumeration.
20764 * tree-flow-inline.h (is_call_clobbered): Global var does not
20765 imply call clobbered.
20766 (mark_call_clobbered): Take a reason for marking this. Remove
20767 marking of globalness, and cache invalidation.
20768 (clear_call_clobbered): Remove cache invalidation code.
20769 * tree-dfa.c (dump_variable): If details is on, dump the reason
20771 * tree-outof-ssa.c (create_temp): Copy escape mask from original
20773 * tree-flow.h (struct ptr_info_def): Add escape mask member.
20774 (struct var_ann_d): Ditto.
20775 (enum escape_type): New.
20776 (mark_call_clobbered): Adjust prototype.
20777 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
20778 are never call clobbered.
20779 Record reasons for escaping.
20780 * tree-ssa-structalias.h (is_escape_site): Update prototype.
20781 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
20782 (ssa_ro_call_cache_valid): Ditto.
20783 (clobbered_v_may_defs): Ditto.
20784 (clobbered_vuses): Ditto.
20785 (ro_call_vuses): Ditto.
20786 (clobber_stats): New.
20787 (init_ssa_operands): Zero out clobber stats.
20788 (fini_ssa_operands): Print out clobber stats.
20789 (get_call_expr_operands): Pass callee fndecl to
20790 add_call_read_ops).
20791 (add_call_clobber_ops): Remove use of cache.
20792 Add use of PURE_CONST information.
20793 (add_call_read_ops): Remove use of cache.
20794 Add use of static not_read information.
20796 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
20798 Introduce TLS descriptors for i386 and x86_64.
20799 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
20800 (TARGET_ANY_GNU_TLS): New macro.
20801 (enum tls_dialect): Added TLS_DIALECT_GNU2.
20802 (struct machine_function): Add tls_descriptor_call_expanded_p.
20803 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
20804 (ix86_current_function_calls_tls_descriptor): Likewise.
20805 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
20806 (override_options): Introduce gnu2 tls dialect.
20807 (ix86_frame_pointer_required): Functions containing TLSCALLs are
20809 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
20811 (legitimize_tls_address): Adjust logic for GNU2 TLS.
20812 (ix86_init_machine_status): Initialize new field.
20813 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
20814 (ix86_tls_module_base): New.
20815 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
20816 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
20817 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
20818 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
20819 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
20820 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
20821 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
20822 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
20823 * config/i386/predicates.md (tls_modbase_operand): New.
20824 (tp_or_register_operand): New.
20826 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
20828 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
20829 (look_for_address_of): Ditto.
20830 (ipa_init): Walk the function decls.
20831 (static_execute): Don't set readonly on FUNCTION_DECL's.
20833 2006-01-18 Roger Sayle <roger@eyesopen.com>
20835 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
20836 for shifts where the source and destination registers are different.
20838 2006-01-18 Paul Brook <paul@codesourcery.com>
20840 Merge from csl-arm-branch.
20841 2005-03-14 Julian Brown <julian@codesourcery.com>
20842 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
20843 (aeabi_llsl): Likewise.
20844 (ashrdi3): Likewise.
20845 (aeabi_lasr): Likewise.
20846 (lshrdi3): Likewise.
20847 (aeabi_llsr): Likewise.
20848 2005-03-10 Julian Brown <julian@codesourcery.com>
20849 * config.gcc: Disable shared libgcc for SymbianOS.
20850 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
20852 2006-01-18 DJ Delorie <dj@redhat.com>
20854 * c-pragma.c (handle_pragma_diagnostic): New.
20855 (init_pragma): Register it.
20856 * doc/extend.texi: Document it.
20858 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
20859 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
20860 (diagnostic_context): Add classify_diagnostic[].
20861 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
20862 as errors if they're overridden to DK_WARNING.
20863 (diagnostic_initialize): Initialize classify_diagnostic[].
20864 (diagnostic_set_kind_override): New.
20865 (diagnostic_report_diagnostic): Check for kind changes.
20866 * opts.c (common_handle_option): Take lang_mask. Update callers.
20867 Handle OPT_Werror_.
20868 * common.opt (Werror=): New.
20869 * doc/invoke.texi: Document -Werror=*
20871 2006-01-18 Jeff Law <law@redhat.com>
20873 * tree-vrp.c (test_for_singularity): Correct test for new
20874 min limit. Use operand_equal_p rather than pointer equality
20875 for testing if new min/max values are equal.
20877 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
20878 using range information until after propagation and folding.
20880 2006-01-18 Richard Henderson <rth@redhat.com>
20881 Aldy Hernandez <aldyh@redhat.com>
20882 Jakub Jelinek <jakub@redhat.com>
20883 Diego Novillo <dnovillo@redhat.com>
20885 * omp-low.c: New file.
20886 * c-omp.c: New file.
20888 2006-01-18 Richard Henderson <rth@redhat.com>
20889 Jakub Jelinek <jakub@redhat.com>
20890 Diego Novillo <dnovillo@redhat.com>
20892 * doc/invoke.texi: Document -fopenmp.
20893 * tree-dump.h (debug_function): Declare.
20894 * hooks.c (hook_bool_tree_bool_false): New function.
20895 (hook_tree_tree_null): Remove.
20896 (hook_tree_tree_tree_null): New.
20897 * hooks.h: Update to match.
20898 * tree-pretty-print.c (debug_tree_chain): New.
20899 (print_generic_expr): Handle TDF_CHAIN.
20900 (dump_generic_node): Handle BLOCK.
20901 Do not abort with incomplete SWITCH_EXPRs.
20902 Do not dump body of an OpenMP directive if TDF_SLIM is given.
20903 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
20904 print space after directive name.
20905 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
20906 Handle OMP_MASTER and OMP_ORDERED.
20907 Handle printing of OMP_BODY just in one place, goto
20908 dump_omp_body in the rest of OMP_* nodes that have
20910 Don't handle clause nodes here. Update omp statements to
20911 use dump_omp_clauses.
20912 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
20913 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
20914 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
20915 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
20916 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
20917 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
20918 Adjust output for GOMP_PARALLEL.
20919 (dump_omp_clauses): New.
20920 (print_declaration): Dump DECL_VALUE_EXPR.
20921 (op_symbol_1): Split out of op_symbol.
20922 (dumping_stmts): Remove. Update all users.
20923 * cgraph.c (cgraph_analyze_queue): New.
20924 (cgraph_add_new_function): New.
20925 * cgraph.h (cgraph_analyze_queue): Declare.
20926 (cgraph_add_new_function): Declare.
20927 (cgraph_lower_function): Remove.
20928 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
20929 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
20930 and TYPE_P nodes in its default clause.
20931 (empty_body_p): New.
20932 (tree_range_check_failed): New.
20933 (build5_stat): New.
20934 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
20935 OMP_CLAUSE_REDUCTION_MERGE,
20936 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
20937 OMP_CLAUSE_PRIVATE_DEBUG,
20938 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
20939 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
20940 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
20941 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
20942 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
20943 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
20944 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
20945 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
20946 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
20947 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
20948 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
20949 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
20950 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
20951 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
20952 (TREE_RANGE_CHECK): New.
20953 (empty_body_p): Declare.
20954 (enum omp_clause_default_kind): New.
20955 (build_string_literal): Declare.
20956 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
20957 (build5_stat, build5): Declare.
20958 * tree-pass.h (TDF_CHAIN): Define.
20959 * tree-pass.h (PROP_gimple_lomp): Define.
20960 (pass_lower_omp): Declare.
20961 * diagnostic.h (debug_tree_chain): Declare.
20962 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
20964 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
20965 * builtins.c (build_string_literal): Make extern.
20966 * gcc.c (include_spec_function): New.
20967 (static_spec_functions): Add it.
20968 (main): Move load of libgomp.spec ...
20969 (LINK_COMMAND_SPEC): ... here.
20970 (link_gomp_spec): New.
20971 (static_specs): Include it.
20972 (LINK_COMMAND_SPEC): Add link_gomp.
20973 (GOMP_SELF_SPECS): New.
20974 (driver_self_specs): Include it.
20975 (switch_matches): Don't mark inline.
20976 (main): Load libgomp.spec.
20977 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
20978 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
20979 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
20980 * tree-gimple.h (enum omp_parallel): Declare.
20981 (determine_parallel_type): Declare.
20982 (omp_firstprivatize_variable): Declare.
20983 (omp_reduction_init): Declare.
20984 (diagnose_omp_structured_block_errors): Declare.
20985 (struct walk_stmt_info): Add want_return_expr.
20986 (struct walk_stmt_info): Add want_bind_expr, want_locations.
20987 (find_omp_clause): Declare.
20988 (insert_field_into_struct): Declare.
20989 (struct walk_stmt_info): Move from tree-nested.c
20990 (walk_stmts): Declare.
20991 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
20993 * cgraphunit.c (cgraph_lower_function): Make static.
20994 (cgraph_finalize_pending_functions): New.
20995 (cgraph_finalize_function): Call it.
20996 (cgraph_finalize_compilation_unit): Likewise.
20997 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
20998 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
20999 (BT_FN_UINT_UINT): New.
21000 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21001 DEF_FUNCTION_TYPE_VAR_4): Document.
21002 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21003 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21004 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21005 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21006 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21007 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21008 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21009 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21010 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21011 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21012 into separate files.
21013 (DEF_GOMP_BUILTIN): New.
21014 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21015 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21016 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21017 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21018 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21019 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21020 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21021 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21022 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21023 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21024 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21025 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21026 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21027 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21028 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21029 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21030 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21031 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21032 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21033 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21034 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21035 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21036 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21037 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21038 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21039 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21040 * sync-builtins.def: New file, moved from builtins.def.
21041 * omp-builtins.def: New file, moved from builtins.def.
21042 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21043 * gimple-low.c (lower_function_body): Clear data.
21044 (lower_stmt): Do not handle COMPOUND_EXPR.
21045 Remove call to print_node_brief.
21046 * c-tree.h (c_finish_omp_clauses): New prototype.
21047 (C_DECL_THREADPRIVATE_P): Define.
21048 (lookup_name_no_remap, c_omp_remap_private): Remove
21049 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21050 (check_for_loop_decls): Update decl.
21051 (lookup_name_no_remap, c_omp_remap_private): Declare.
21052 (build_indirect_ref, build_modify_expr, pushdecl,
21053 pushdecl_top_level): Move to c-common.h.
21054 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21055 before the switch, but just in the 2 places that need it.
21056 * c-decl.c (diagnose_mismatched_decls): Do not check for
21057 mismatched thread-local attributes when OLDDECL is marked
21058 threadprivate and NEWDECL has no thread-local attributes.
21059 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21060 (c_gimple_diagnostics_recursively): Rename from
21061 c_warn_unused_result_recursively. Invoke
21062 diagnose_omp_structured_block_errors.
21063 (check_for_loop_decls): Return a singular decl found.
21064 * langhooks.c (lhd_omp_predetermined_sharing): Return
21065 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21066 (lhd_omp_firstprivatize_type_sizes): New.
21067 (lhd_omp_assignment): New.
21068 (lhd_omp_predetermined_sharing): New.
21069 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21070 (struct lang_hooks_for_types): Add
21071 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21072 omp_predetermined_sharing, omp_disregard_value_expr,
21073 omp_private_debug_clause, omp_clause_default_ctor,
21074 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21075 (c_finish_omp_clauses): New.
21076 (c_finish_bc_stmt): Diagnose break within omp for.
21077 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21078 (build_unary_op): Return error_mark after reporting
21080 (build_modify_expr): Likewise.
21081 * gimplify.c: Include optabs.h and pointer-set.h.
21082 (enum gimplify_omp_var_data): Declare.
21083 (struct gimplify_omp_ctx): Declare.
21084 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21086 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21087 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21088 (splay_tree_compare_decl_uid): New.
21089 (new_omp_context): New.
21090 (delete_omp_context): New.
21091 (gimple_add_tmp_var): Call omp_add_variable.
21092 (gimplify_bind_expr): Likewise.
21093 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21094 true, disregard DECL_VALUE_EXPR on the decl if any.
21095 (gimplify_expr_in_ctx): New.
21096 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21097 omp_add_variable, omp_notice_variable, omp_is_private
21098 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21099 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21100 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21101 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21102 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21103 gimplify_omp_atomic): New.
21104 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21105 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21106 OMP_CRITICAL and OMP_ATOMIC.
21107 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21108 * c-pragma.h (enum pragma_kind): Add
21109 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21110 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21111 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21112 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21113 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21114 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21115 PRAGMA_OMP_THREADPRIVATE.
21116 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21117 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21118 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21119 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21120 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21121 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21122 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21123 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21124 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21125 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21126 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21127 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21128 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21130 (struct nesting_info): Add field_map,
21131 suppress_expansion, debug_var_chain.
21132 (create_nesting_tree): Initialize them.
21133 (lookup_field_for_decl): Use field_map.
21134 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21135 (convert_local_omp_clauses): New.
21136 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21137 (walk_body): Split out of walk_function.
21138 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21139 (convert_nonlocal_reference): Handle omp statements.
21140 (convert_local_reference): Likewise.
21141 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21142 (unnest_nesting_tree): New.
21143 (lower_nested_functions): Call it.
21144 (insert_field_into_struct): Make extern.
21145 (struct walk_stmt_info): Move to tree-gimple.h.
21146 (walk_stmts): Make extern.
21147 * omp-builtins.def: New file.
21148 * tree-iterator.c (expr_only): Clarify comment.
21149 * c-common.h (pushdecl_top_level, pushdecl,
21150 build_modify_expr, build_indirect_ref,
21151 c_finish_omp_master, c_finish_omp_critical,
21152 c_finish_omp_ordered, c_finish_omp_barrier,
21153 c_finish_omp_atomic, c_finish_omp_flush,
21154 c_finish_omp_for, c_split_parallel_clauses,
21155 omp_clause_default_kind, c_omp_sharing_predetermined,
21156 c_omp_remap_decl): Declare.
21157 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21158 (OBJS-common): Add omp-low.o.
21159 (c-omp.o, omp-low.o): Add.
21160 (gimplify.o): Add dependency on $(OPTABS_H).
21161 (GTFILES): Add omp-low.c.
21162 (gt-stringpool.h): Add.
21163 * tree-cfg.c (set_bb_for_stmt): Do not update the
21164 block-to-labels map if we are currently expanding to RTL.
21165 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21167 Handle IDENTIFIER_NODE.
21168 (tree_verify_flow_info): Do not ICE when emitting error
21169 messages about invalid labels.
21170 (dump_function_to_file): Reset CFUN before emitting the body
21172 (debug_function): New.
21173 * passes.c (init_optimization_passes): Schedule
21175 * langhooks-def.h (lhd_omp_predetermined_sharing,
21176 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21178 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21179 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21180 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21181 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21182 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21183 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21184 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21185 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21186 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21187 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21188 (LANG_HOOK_DECLS): Use them.
21190 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21191 Richard Henderson <rth@redhat.com>
21192 Jakub Jelinek <jakub@redhat.com>
21193 Diego Novillo <dnovillo@redhat.com>
21195 * c-parser.c (pragma_omp_clause): Define.
21196 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21197 (c_parser_compound_statement): Likewise.
21198 (c_parser_statement): Likewise.
21199 (c_parser_pragma): Handle omp pragmas.
21200 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21201 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21202 (c_parser_omp_clause_name, check_no_duplicate_clause,
21203 c_parser_omp_variable_list,
21204 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21205 c_parser_omp_clause_copyprivate,
21206 c_parser_omp_clause_default,
21207 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21208 c_parser_omp_clause_lastprivate,
21209 c_parser_omp_clause_nowait,
21210 c_parser_omp_clause_num_threads,
21211 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21212 c_parser_omp_clause_reduction,
21213 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21214 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21215 c_parser_omp_atomic, c_parser_omp_barrier,
21216 c_parser_omp_critical, c_parser_omp_flush,
21217 c_parser_omp_for_loop, c_parser_omp_for,
21218 c_parser_omp_master, c_parser_omp_ordered,
21219 c_parser_omp_sections_scope, c_parser_omp_sections,
21220 c_parser_omp_parallel, c_parser_omp_single,
21221 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21222 * c-pragma.c (init_pragma): Do omp pragma registration here.
21223 * c.opt (fopenmp): New flag.
21225 2006-01-18 Eric Christopher <echristo@apple.com>
21227 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21228 * config/darwin.h (GOMP_SELF_SPECS): Define.
21230 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21232 * rtl.h: Remove the prototype for reg_alloc.
21234 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21237 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21238 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21239 sjlj and dwarf2 exception handling.
21240 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21241 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21242 * pa/pa.c (function_value): Treat complex and vector types as
21244 (function_arg): Likewise. Only pass scalar floats in the floating
21245 point argument registers.
21246 * pa/t-slibgcc-dwarf-ver: New file.
21247 * pa/t-slibgcc-sjlj-ver: New file.
21248 * pa/t-slibgcc-elf-ver: Delete file.
21250 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21252 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21253 unlikely_test_section_p test.
21255 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21257 * mode-switching.c (optimize_mode_switching): Make it static.
21258 * basic-block.h: Remove the prototype for
21259 optimize_mode_switching.
21261 * modulo-sched.c (sms_schedule): Make it static.
21262 * rtl.h: Remove the prototype for sms_schedule.
21264 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21265 * rtl.h: Remove the prototype for gcse_after_reload_main.
21267 * reg-stack.c (reg_to_stack): Make it static.
21268 * rtl.h: Remove the prototype for reg_to_stack.
21270 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21272 * rtl.h: Remove the prototypes for regrename_optimize and
21273 copyprop_hardreg_forward.
21275 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21277 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21278 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21279 Test against the appropriate null constant for the mode.
21280 If 'fixup_overlap' is true, swap the operands if they overlap.
21281 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21282 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21283 alpha_split_tmode_pair and adjust for above change.
21284 * config/alpha/alpha.md (movtf_internal): Adjust call to
21285 alpha_split_tfmode_pair and rely on it to swap the operands.
21286 (movti_internal): New insn and post-reload splitter.
21287 (movti): New expander.
21289 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21291 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21294 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21296 * rtlanal.c (global_reg_mentioned_p_1,
21297 global_reg_mentioned_p): Remove.
21298 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21300 * flow.c (initialize_uninitialized_subregs): Make it static.
21301 * rtl.h: Remove the prototype for
21302 initialize_uninitialized_subregs.
21304 * function.c (instantiate_virtual_regs): Make it static.
21305 * function.h: Remove the prototype for
21306 instantiate_virtual_regs.
21308 * regmove.c (regmove_optimize, combine_stack_adjustments):
21310 * rtl.h: Remove the prototypes for regmove_optimize and
21311 combine_stack_adjustments.
21313 2006-01-17 Roger Sayle <roger@eyesopen.com>
21315 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21316 (size_cost): Encode costs in bytes so that a reg-reg addition is
21317 equivalent to COSTS_N_INSNS(1).
21318 (override_options): Use the size_cost.branch_cost as the default
21319 ix86_branch_cost when optimizing for size.
21321 2006-01-18 Ben Elliston <bje@au.ibm.com>
21323 * Makefile.in (D32PBIT_FUNCS): New.
21324 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21325 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21326 D64PBIT_FUNCS and D128PBIT_FUNCS.
21327 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21328 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21330 (decnumber_dep): Define.
21331 * doc/libgcc.texi (Decimal float library routines): New node.
21332 * config/dfp-bit.h, config/dfp-bit.c: New files.
21334 2006-01-18 Ben Elliston <bje@au.ibm.com>
21336 * expr.c (emit_move_change_mode): Always adjust addresses, not
21337 just during reload. Copy replacements only during reload.
21338 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21339 emit_move_via_integer.
21341 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21343 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21344 instead of $(srcdir) and ${srcdir}.
21346 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21349 PR middle-end/11135
21350 * arm.h (struct machine_function): Add pic_reg.
21351 * arm.c (arm_pic_register): Make unsigned.
21352 (arm_override_options): Only set arm_pic_register if
21353 TARGET_SINGLE_PIC_BASE.
21354 (use_return_insn): Only test for a pic register if it is fixed.
21355 (arm_compute_save_reg0_reg12_mask): Likewise.
21356 (thumb_compute_save_reg_mask): Likewise.
21357 (legitimate_pic_operand): Factor out some known invariants.
21358 (legitimize_pic_address): If we don't have a fixed pic register,
21359 then set up a pseudo in the function entry sequence. Handle the
21360 pic base being in a pseudo.
21361 (arm_load_pic_register): Handle the pic register being in a pseudo.
21362 (arm_expand_prologue): Only set up the pic register if it is fixed.
21363 (thumb_expand_prologue): Likewise.
21364 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21365 (pic_load_addr_based_insn): Likewise.
21366 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21369 2006-01-18 Ben Elliston <bje@au.ibm.com>
21371 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21372 decimal float modes for all floating point registers.
21374 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21375 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21377 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21380 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21381 even when the pointer is not NULL.
21383 2006-01-16 Ian Lance Taylor <ian@airs.com>
21385 * common.opt (ftoplevel-reorder): New option.
21386 * cgraph.c (cgraph_asm_nodes): New global variable.
21387 (cgraph_asm_last_node): New static variable.
21388 (cgraph_order): New global variable.
21389 (cgraph_create_node): Set new order field.
21390 (cgraph_varpool_node): Likewise.
21391 (decide_is_variable_needed): Return true if not
21392 flag_toplevel_reorder.
21393 (cgraph_add_asm_node): New function.
21394 * cgraph.h (struct cgraph_node): Add order field.
21395 (struct cgraph_varpool_node): Add order field.
21396 (struct cgraph_asm_node): Define.
21397 (cgraph_asm_nodes, cgraph_order): Declare.
21398 (cgraph_add_asm_node): Declare.
21399 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21401 (cgraph_varpool_assemble_pending_decls): Call it.
21402 (cgraph_output_pending_asms): New static function.
21403 (cgraph_finalize_compilation_unit): Call it.
21404 (struct cgraph_order_sort): Define.
21405 (cgraph_output_in_order): New static function.
21406 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21407 !flag_toplevel_reorder case.
21408 * c-parser.c: Include "cgraph.h".
21409 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21411 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21412 than -fno-unit-at-a-time.
21413 * doc/invoke.texi (Option Summary): Mention
21414 -fno-toplevel-reorder.
21415 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21416 -funit-at-a-time documentation.
21418 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21419 Kazu Hirata <kazu@codesourcery.com>
21421 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21423 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21425 * Makefile.in (FUNCTION_H): New. Use it instead of
21426 function.h throughout the file.
21427 * function.h: Include tree.h.
21429 2006-01-17 Ben Elliston <bje@au.ibm.com>
21431 * recog.c: Separate some functions with whitespace.
21433 2006-01-16 Richard Henderson <rth@redhat.com>
21435 Merge from gomp branch:
21436 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21437 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21438 and rename from struct inline_data. Rename callee* to dst*;
21439 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21440 transform_new_cfg, transform_return_to_modify, and
21441 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21443 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21444 (copy_decl_for_dup): Remove.
21445 * tree-inline.c (struct inline_data): Move to header.
21446 (insert_decl_map): Export.
21447 (remap_decl): Update for member name changes. Use copy_decl hook.
21448 Allow for replacement to be a non-decl. Remove dead code.
21449 (remap_type_1): Check for existing mapping.
21450 (remap_type): Export.
21451 (remap_decls): Update for member name changes.
21452 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
21453 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
21454 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
21455 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
21456 (tree_function_versioning, build_duplicate_type): Likewise.
21457 (copy_body_r): Likewise. Export.
21458 (copy_decl_for_dup): Split into ...
21459 (copy_decl_for_dup_finish, copy_decl_to_var,
21460 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
21461 (replace_ref_tree, inlining_p): Remove.
21463 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21465 * ifcvt.c (if_convert): Make it static.
21466 * rtl.h: Remove the prototype for if_convert.
21468 * local-alloc.c (local_alloc): Make it static.
21469 * rtl.h: Remove the prototype for local_alloc.
21471 * loop.c (loop_optimize): Make it static.
21472 * cfgloop.h: Remove the prototype for loop_optimize.
21475 2006-01-16 DJ Delorie <dj@redhat.com>
21477 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
21480 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21482 * pa.md: Disparage copies between general and floating-point registers
21483 in 32-bit move patterns.
21485 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21488 * Makefile.in (check-%): Depend on site.exp instead of
21489 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21492 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21494 * global.c (global_alloc): Make it static.
21495 * rtl.h: Remove the prototype for global_alloc.
21497 2006-01-16 Richard Guenther <rguenther@suse.de>
21499 * tree-ssa-alias.c (struct used_part): Add write_only field.
21500 (get_or_create_used_part_for): Initialize it to true.
21501 (create_overlap_variables_for): Don't create structure variables
21502 for structures that only are written to.
21503 (find_used_portions): Handle MODIFY_EXPR to track whether a
21504 structure is only written to.
21506 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21508 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21510 * basic-block.h: Remove the prototype for
21511 partition_hot_cold_basic_blocks.
21513 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21515 * cppspec.c (lang_specific_spec_functions): Remove.
21516 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21517 * gcc.h (lang_specific_spec_functions): Remove.
21518 * gccspec.c (lang_specific_spec_functions): Remove.
21520 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21522 * combine.c (record_value_for_reg): Invalidate registers
21524 (record_dead_and_set_regs_1): Likewise, by passing them to
21525 record_value_for_reg.
21526 (record_dead_and_set_regs): Invalidate stores made by a
21527 call. We do not combine across a call, but we still
21528 relied on equivalences.
21530 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21532 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21533 vrp_int_const_binop returning non-constant nodes.
21535 2006-01-16 Paul Brook <paul@codesourcery.com>
21537 * config/m68k/m68k.c (output_move_const_into_data_reg):
21538 Output correct mnemonic for mvz and mvs.
21540 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21542 * rtl-factoring.c: Add sequence abstraction algorithm.
21543 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21544 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21546 (block_has_preserve_label): New function.
21547 * common.opt: Register new pass.
21548 * Makefile.in: Ditto.
21550 * timevar.def: Ditto.
21551 * tree-pass.h: Ditto.
21552 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21553 * rtl.h (make_jump_insn_raw): Add forward decl.
21554 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21556 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21557 Roger Sayle <roger@eyesopen.com>
21559 * fold-const.c (fold_minmax): New static function.
21560 (fold_binary) <MIN_EXPR>: Call it.
21561 <MAX_EXPR>: Likewise.
21562 * stor-layout.c (place_field): Use DECL_SIZE consistently
21563 in the computation of the new record size.
21565 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21567 * cse.c (cse_condition_code_reg): Make it static.
21568 * rtl.h: Remove the prototype for cse_condition_code_reg.
21570 * combine.c (combine_instructions): Make it static.
21571 * rtl.h: Remove the prototype for combine_instructions.
21573 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21576 * tree.c (get_file_function_name_long): Concatenate the first global
21577 object name with a string derived from the input filename of the object
21580 2006-01-16 Ben Elliston <bje@au.ibm.com>
21582 * config/i386/winnt-stubs.c: Update FSF address.
21583 * config/xtensa/ieee754-df.S: Ditto.
21584 * config/xtensa/ieee754-sf.S: Ditto.
21586 2006-01-14 Ian Lance Taylor <ian@airs.com>
21588 * ifcvt.c (noce_init_if_info): New static function, broken out of
21589 noce_process_if_block.
21590 (noce_process_if_block): Call noce_init_if_info.
21591 (check_cond_move_block): New static function.
21592 (cond_move_process_if_block): New static function.
21593 (process_if_block): Call cond_move_process_if_block.
21595 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21597 * cselib.c (hash_table): Rename to cselib_hash_table.
21598 (cselib_clear_table, discard_useless_values,
21599 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21600 cselib_init, cselib_finish): Adjust uses of hash_table.
21602 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21604 PR tree-optimization/25485
21605 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21606 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21607 is known to be false and true, respectively.
21609 2006-01-14 Richard Guenther <rguenther@suse.de>
21611 PR tree-optimization/22548
21612 PR tree-optimization/22555
21613 PR tree-optimization/22501
21614 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21615 * params.def (salias-max-array-elements): New parameter.
21616 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21617 * doc/invoke.texi (salias-max-array-elements): Document.
21618 * tree-flow-inline.h (var_can_have_subvars): We also handle
21620 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21622 * tree-ssa-structalias.c (params.h): Include.
21623 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21624 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21625 (get_constraint_for): For ADDR_EXPR operating on something
21626 containing an ARRAY_REF, add all subvars to the solution.
21627 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21628 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21629 for creating MUST_DEFs.
21630 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
21632 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
21634 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
21636 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
21637 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
21638 number_of_iterations_le): New functions.
21639 (number_of_iterations_special): Removed.
21640 (number_of_iterations_exit): Do not use number_of_iterations_special.
21641 * tree.c (unsigned_type_for): Always return integer type.
21643 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
21644 Richard Guenther <rguenther@suse.de>
21646 PR rtl-optimization/24257
21647 * gcse.c (find_moveable_store): Only consider a store movable
21648 when the SET_SRC of the insn can be assigned to a register.
21650 2006-01-14 Ian Lance Taylor <ian@airs.com>
21652 * tree.c (tree_not_class_check_failed): New function.
21653 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
21654 (tree_not_class_check_failed): Declare.
21656 2006-01-13 Ian Lance Taylor <ian@airs.com>
21658 * reload1.c (do_output_reload): Add assertion rejecting a
21661 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
21663 * combine.c (struct reg_stat): Add new fields truncation_label and
21665 (record_value_for_reg): Reset truncated_to_mode.
21666 (record_truncated_value): New function.
21667 (check_promoted_subreg): Call it. Rename to check_conversions.
21668 (combine_instructions): Rename check_promoted_subreg to
21670 (reg_truncated_to_mode): New function.
21671 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21672 (gen_lowpart_or_truncate): New function.
21673 (force_to_mode): Use it instead of gen_lowpart.
21675 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21677 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21678 VAR is a tag, not its type tag.
21680 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21682 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21683 alternatives to match style of other entries.
21684 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21686 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21688 PR tree-optimization/25771
21689 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21692 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21695 * tree-inline.c (declare_return_variable): If the return variable
21696 was marked as a non gimple complex, set the return slot variable
21697 to be a non gimple comple variable.
21699 2006-01-13 Richard Guenther <rguenther@suse.de>
21701 * builtins.c (expand_builtin_sincos): New function.
21702 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21704 (expand_builtin): Expand sincos using expand_builtin_sincos.
21706 2006-01-12 DJ Delorie <dj@redhat.com>
21708 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21709 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21710 so that constant shifts can be split.
21711 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
21712 (m32c_valid_pointer_mode): Make static.
21713 (shift_gen_func_for): New.
21714 (m32c_prepare_shift): Use it. Split large const shifts into
21716 * config/m32c/predicates.md (shiftcount_operand): Allow more
21718 (longshiftcount_operand): New.
21719 * doc/md.texi (Machine Constraints): Document In6.
21721 2006-01-13 Ben Elliston <bje@au.ibm.com>
21723 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
21724 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
21727 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
21729 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
21730 to try to avoid clobbering pieces of structures when we know
21731 something about the whole structure.
21732 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
21734 2006-01-13 Ben Elliston <bje@au.ibm.com>
21736 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
21737 return in memory, as this is no limitation is no longer present.
21739 2006-01-12 DJ Delorie <dj@redhat.com>
21741 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
21742 mova with fb, and for fb+0 -> An.
21744 * config/m32c/mov.md (peephole2): Fix enabling logic.
21746 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
21747 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
21748 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
21749 FINI_ARRAY_SECTION_ASM_OP): Define.
21751 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
21753 (m32c_legitimize_reload_address): New logic to reload FB to An.
21754 (m32c_output_reg_push): Add newline.
21755 (m32c_output_reg_pop): Likewise.
21757 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
21759 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
21761 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
21763 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
21765 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21767 * config/sh/predicates.md (sh_rep_vec): Add parallel to
21770 2006-01-11 Ben Elliston <bje@au.ibm.com>
21772 * rtlanal.c (find_reg_note): Assert insn is not null.
21774 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21776 * df-scan.c (df_hard_reg_init): Move declaration of i outside
21779 2006-01-11 Jeff Law <law@redhat.com>
21781 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
21783 (mark_threaded_blocks, register_jump_thread): New functions.
21784 (thread_through_all_blocks): Remove unwanted argument. No
21785 longer rely on e->aux to communicate thread target info.
21786 Call mark_threaded_blocks. Release the threaded_blocks
21787 bitmap and threaded_edges vector when complete.
21788 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
21789 (threaded_blocks): Remove.
21790 (tree_ssa_dominator_optimize): Remove initialization and
21791 finalization of threaded_blocks. Simplify call to
21792 thread_through_all_blocks.
21793 (thread_across_edge): Call register_jump_thread rather than
21794 storing thread information into e->aux.
21795 (free_all_edge_infos): Simplify now that e->aux is no longer
21796 used to communicate with thread_through_all_blocks.
21797 * tree-flow.h (thread_through_all_blocks): Update prototype.
21798 (register_jump_thread): Prototype.
21800 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21802 * df-core.c (df_compact_blocks, df_bb_replace): Use
21803 SET_BASIC_BLOCK instead of BASIC_BLOCK.
21805 2006-01-11 Richard Guenther <rguenther@suse.de>
21807 PR tree-optimization/25734
21808 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
21809 stop propagation after successful propagation to the LHS.
21811 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21813 * basic-block.h (control_flow_graph): Change the type of
21814 x_basic_block_info to VEC(basic_block,gc) *.
21815 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
21817 (SET_BASIC_BLOCK): New.
21818 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
21819 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
21820 * cfgbuild.c (find_basic_blocks): Likewise.
21821 * cfglayout.c (fixup_reorder_chain): Likewise.
21822 * cfgrtl.c (create_basic_block_structure,
21823 rtl_create_basic_block): Likewise.
21824 * ifcvt.c (find_if_case_1): Likewise.
21825 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
21828 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21830 * Makefile.in: Removed rotted odf.c entry.
21832 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
21835 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
21836 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
21837 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
21838 output pattern modifier, not %e.
21839 * config/cris/cris.c (cris_op_str): Update comment about pattern
21841 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
21842 before falling through into...
21843 <case 'E'>: Redefined from old 'e' case.
21845 2006-01-11 Jan Hubicka <jh@suse.cz>
21848 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
21850 2006-01-11 Jan Hubicka <jh@suse.cz>
21852 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
21853 * i386.c (x86_decompose_lea): Kill.
21854 (ix86_rtx_costs): Kill.
21856 2006-01-11 Jan Hubicka <jh@suse.cz>
21858 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
21859 * cgraph.h (cgraph_node): Add inline_decl.
21860 (cgraph_insert_node_to_hashtable): Declare.
21861 (save_inline_function_body): Declare.
21862 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
21864 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
21865 (cgraph_function_versioning): Update call of tree_function_versioning.
21866 (save_inline_function_body): New function.
21867 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
21868 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
21869 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
21870 (cgraph_default_inline_p): Likewise.
21871 (cgraph_decide_inlining_incrementally): Likewise.
21872 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
21873 (copy_bb): Kill saving; do updating of clones.
21874 (copy_cfg_body): Kill saving.
21875 (initialize_inlined-parameters): Likewise.
21876 (expand_call_inline): Likewise.
21878 (tree_function_versioning): New parameter "update_clones".
21879 (inlining_p): Kill saving.
21880 * tree-inline.h (tree_function_versioning): Update prototype.
21881 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
21884 2006-01-11 Ian Lance Taylor <ian@airs.com>
21886 * combine.c (struct undo): Remove is_int. Enumify types of undos.
21887 Allow undoing set of machine mode.
21888 (do_SUBST): Use enums instead of is_int.
21889 (do_SUBST_MODE): New function.
21890 (SUBST_MODE): New macro.
21891 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
21892 reg and trying to replace reg_regno_rtx with a new register.
21893 (undo_all): Use new enums, handle undoing a PUT_MODE change.
21894 (simplify_set): Use SUBST_MODE.
21895 (distribute_notes): Remove code that tried to update reg notes
21896 for regno_reg_rtx changes.
21898 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
21900 PR tree-optimization/23109
21901 PR tree-optimization/23948
21902 PR tree-optimization/24123
21904 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
21905 * tree-cfg.c (single_noncomplex_succ): New.
21906 * tree-flow.h (single_noncomplex_succ): Declare it.
21907 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21908 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21909 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
21910 insert_bb, register_division_in, insert_reciprocals,
21911 replace_reciprocal, free_bb): New.
21912 (execute_cse_reciprocals_1): Rewritten.
21913 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
21914 Do not commit any edge insertion. Always compute dominators and
21915 create the allocation pool.
21916 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
21917 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
21918 * targhooks.c (default_min_divistions_for_recip_mul): New.
21919 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
21920 * passes.c (init_optimization_passes): Run recip after tree loop
21922 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
21924 2006-01-11 Danny Berlin <dberlin@dberlin.org>
21925 Kenneth Zadeck <zadeck@naturalbridge.com>
21927 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
21928 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
21929 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
21930 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
21931 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
21932 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
21933 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
21934 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
21935 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
21936 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
21937 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
21938 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
21939 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
21940 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
21941 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
21942 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
21943 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
21944 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
21945 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
21946 DF_SCAN_POST_ALLOC): New macros.
21947 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
21948 df_free_bb_function, df_local_compute_function, df_init_function,
21949 df_dataflow_function, df_confluence_function_0,
21950 df_confluence_function_n, df_transfer_function,
21951 df_finalizer_function, df_free_function, df_dump_problem_function,
21952 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
21953 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
21954 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
21955 df_urec_bb_info, ) New types.
21956 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
21958 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
21959 df_analyze_simple_change_some_blocks,
21960 df_analyze_simple_change_one_block, df_compact_blocks,
21961 df_bb_replace, df_bb_regno_last_use_find,
21962 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
21963 df_insn_regno_def_p, df_find_def, df_find_use,
21964 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
21965 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
21966 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
21967 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
21968 debug_df_chain, df_get_dependent_problem, df_chain_create,
21969 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
21970 df_grow_bb_info, df_chain_dump, df_print_bb_index,
21971 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
21972 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
21973 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
21974 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
21975 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
21976 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
21977 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
21978 df_ref_remove, df_insn_refs_delete, df_refs_delete,
21979 df_reorganize_refs, df_set_state, df_hard_reg_init,
21980 df_read_modify_subreg_p) New public functions.
21981 * df-core.c: The core dataflow solver and glue routines for rtl
21983 (df_init, df_add_problem, df_set_blocks, df_finish,
21984 df_hybrid_search_forward, df_hybrid_search_backward,
21985 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
21986 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
21987 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
21988 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
21989 df_reg_defined, df_find_use, df_reg_used, df_dump,
21990 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
21991 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
21992 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
21993 debug_df_useno, reset_df_after_reload): New functions.
21994 * df-scan.c: The scanning fuctions, once in df.c, completely
21995 rewritten so that they now fully model the functionality of
21996 register usage at the backend.
21997 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
21998 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
21999 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22000 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22001 df_get_artificial_defs, df_get_artificial_uses,
22002 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22003 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22004 df_refs_delete, df_reorganize_refs, df_set_state,
22005 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22006 df_def_record_1, df_defs_record, df_uses_record,
22007 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22008 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22009 df_record_exit_block_uses, df_hard_reg_init): New functions.
22011 * df-problems.c: Seven concrete dataflow problems that use the
22012 scanning in df-scan.c and are solved by the engine in df-core.c.
22013 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22014 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22015 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22016 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22017 df_ru_free_bb_info, df_ru_alloc,
22018 df_ru_bb_local_compute_process_def,
22019 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22020 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22021 df_ru_transfer_function, df_ru_free, df_ru_dump,
22022 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22023 df_rd_free_bb_info, df_rd_alloc,
22024 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22025 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22026 df_rd_transfer_function, df_rd_free, df_rd_dump,
22027 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22028 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22029 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22030 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22031 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22032 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22033 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22034 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22035 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22036 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22037 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22038 df_urec_mark_reg_use_for_earlyclobber,
22039 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22040 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22041 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22042 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22043 df_chain_create_bb_process_use, df_chain_create_bb,
22044 df_chain_finalize, df_chain_free, df_chains_dump,
22045 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22046 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22047 df_reg_lifetime): New functions.
22048 * df.c: Deleted file.
22049 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22050 consistent with new df api.
22051 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22052 rest_of_handle_sms): Ditto.
22053 * web.c (unionfind_union, union_defs, entry_register, web_main):
22055 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22056 invariant_expr_equal_p, find_defs, check_dependencies,
22057 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22058 free_inv_motion_data, move_loop_invariants): Ditto.
22059 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22060 Update dependencies.
22061 (odf.c): Added defective entry that was deleted later in day.
22062 * sched-deps.c (sched_analyze_1): Ditto.
22064 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22066 * tree-ssa-operands.c (get_expr_operands): Record addressable
22067 variables directly. Do not call add_stmt_operands for CONST_DECLs
22069 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22070 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22072 2006-01-11 Ben Elliston <bje@au.ibm.com>
22074 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22075 function returns true in the positive case.
22077 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22080 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22081 for SI, DI, SF and DF modes. Add alternatives to copy between
22082 general and floating point registers to the 32-bit patterns.
22083 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22084 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22085 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22086 generating 64-bit code.
22087 * config/pa/pa.c (output_move_double): Handle copies between general
22088 and floating registers.
22090 2006-01-10 Stuart Hastings <stuart@apple.com>
22092 * config/i386/i386.md (set_got): Update.
22093 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22094 (builtin_setjmp_receiver): Mach-O support.
22095 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22096 (GOT_SYMBOL_NAME): Define.
22097 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22098 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22099 * config/i386/i386.c (override_options): Revise for Darwin.
22100 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22101 support. (darwin_x86_file_end): New. (output_set_got): Add label
22102 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22103 * config/i386/i386-protos.h (output_set_got): Likewise.
22104 * config/darwin.c (machopic_legitimize_pic_address): Update
22107 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22109 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22110 when MODE isn't BLKmode.
22112 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22114 PR rtl-optimization/25367
22115 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22117 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22120 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22121 for a negative bound.
22123 2006-01-10 Richard Guenther <rguenther@suse.de>
22125 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22126 Never override with anything constraint.
22128 2006-01-10 Jan Beulich <jbeulich@novell.com>
22130 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22131 256 bits when optimize_size.
22133 2006-01-10 Jan Beulich <jbeulich@novell.com>
22135 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22137 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22138 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22141 2006-01-10 Ben Elliston <bje@au.ibm.com>
22143 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22145 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22146 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22147 (USE_FP_FOR_ARG): Reject decimal float modes.
22148 (function_arg_advance): Likewise.
22149 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22150 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22151 point types in AltiVec vectors.
22152 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22153 (rs6000_libcall_value): Likewise.
22155 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22157 * config/xtensa/ieee754-df.S: New file.
22158 * config/xtensa/ieee754-sf.S: New file.
22159 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22160 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22161 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22163 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22165 * config/sh/predicates.md (binary_float_operator,
22166 binary_logical_operator, commutative_float_operator,
22167 equality_comparison_operator, greater_comparison_operator,
22168 less_comparison_operator, logical_operator,
22169 noncommutative_float_operator, shift_operator,
22170 symbol_ref_operand, unary_float_operator): Remove redundant
22173 2006-01-09 Jeff Law <law@redhat.com>
22175 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22176 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22177 now unused arguments. Callers updated.
22178 (eliminate_redundant_computations): Remove now unused arguments,
22180 (local_fold): Remove, no longer used.
22181 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22183 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22184 (simplify_cond): New function.
22185 (forward_propagate_into_cond): Call simplify_cond.
22187 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22189 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22190 (*vec_extractv2di_1_sse): New.
22192 2006-01-09 Ben Elliston <bje@au.ibm.com>
22194 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22196 2006-01-08 Richard Guenther <rguenther@suse.de>
22198 * tree-ssa-structalias.c (get_constraint_for): Remove
22199 anyoffset argument.
22200 (get_constraint_for_component_ref): Likewise.
22201 (do_deref): Likewise.
22202 (get_constraint_for): Likewise.
22203 (do_structure_copy): Likewise.
22204 (handle_ptr_arith): Likewise.
22205 (find_func_aliases): Likewise. Remove unused need_anyoffset
22208 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22209 Kaz Kojima <kkojima@gcc.gnu.org>
22211 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22212 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22213 (EXTRA_CONSTRAINT_C16): Remove.
22214 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22215 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22216 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22217 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22218 constants of SHmedia. Handle nested constant expressions of
22220 (andcosts): Fix the costs for SHmedia constants.
22221 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22222 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22223 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22224 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22225 (movv4hi_i, movv2si_i): Likewise.
22226 (movsi_const): Adjust the second operand of ior so to match with
22227 the Csu constraint.
22228 (movdi_const, movdi_const_32bit): Likewise.
22229 (movdi_const_16bit+1): Don't sign-extend LOW.
22230 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22232 (*double_shori): Fix the split condition. Use GEN_INT instead
22233 of get_int_mode calls. Mask lower 16-bit of the argument of
22235 (sym2GOTPLT): Remove.
22236 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22238 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22239 instead of EXTRA_CONSTRAINT_C16.
22241 2006-01-07 Ian Lance Taylor <ian@airs.com>
22242 David Edelsohn <edelsohn@gnu.org>
22244 PR rtl-optimization/25662
22245 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22246 for constant operands instead of simplify_gen_binary.
22247 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22248 after trying simplify_binary_operation
22250 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22252 * tree.c (iterative_hash_expr): Hash decls based on UID.
22254 2006-01-06 Eric Christopher <echristo@apple.com>
22256 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22257 (TARGET_UNWIND_EMIT): Fix spelling.
22258 * target.h (gcc_target): Add except_table_label.
22259 * except.c (output_function_exception_table): Use.
22260 * varasm.c (default_emit_except_table_label): New.
22261 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22263 (asm_out): Add here.
22264 * output.h (default_emit_except_table_label): Prototype.
22265 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22266 * config/darwin.c (darwin_emit_except_table_label): Define.
22267 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22269 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22271 PR tree-optimization/18527
22272 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22273 number_of_iterations_special, number_of_iterations_exit):
22274 Move base and step of an iv to a single structure. Add
22275 no_overflow flag, and use it in # of iterations analysis.
22276 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22277 folded_casts argument.
22278 (simple_iv): Pass base and step in a structure. Set no_overflow
22280 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22281 Evaluate expensiveness of computing # of iterations instead of
22282 the final expression.
22283 * tree-scalar-evolution.h (affine_iv): New structure.
22284 (simple_iv): Declaration changed.
22285 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22286 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22287 find_givs_in_stmt): Changed due to simple_iv change.
22289 2006-01-06 Jeff Law <law@redhat.com>
22292 * tree-cfg.c (bsi_replace): Rename final argument from
22293 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22294 change (stmt -> orig_stmt).
22295 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22296 (bsi_remove): Add new argument. Remove EH information
22298 (verify_eh_throw_table_statements): New function.
22299 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22301 * tree-optimize.c (execute_free_cfg_annotations): Verify
22302 the EH throw statement table after removing annotations.
22303 * except.h (verify_eh_throw_table_statements): Prototype.
22304 * tree-flow.h (bsi_remove): Update prototype.
22305 * tree-vrp.c (remove_range_assertions): Add new argument to
22307 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22308 * tree-complex.c (expand_complex_div_wide): Likewise.
22309 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22310 * tree-tailcall.c (eliminate_tailcall): Likewise.
22311 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22312 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22313 * tree-nrv.c (tree_nrv): Likewise.
22314 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22315 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22316 (combine_blocks): Likewise.
22317 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22318 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22319 (cleanup_control_flow): Likewise.
22320 (remove_forwarder_block): Likewise.
22321 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22322 * tree-sra.c (sra_replace): Likewise.
22323 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22324 (forward_propagate_single_use_vars): Likewise.
22325 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22326 * tree-inline.c (expand_call_inline): Likewise.
22327 * tree-vect-transform.c (vect_transform_loop): Likewise.
22328 * tree-outof-ssa.c (rewrite_trees): Likewise.
22329 * tree-cfg.c (make_goto_expr_edges): Likewise.
22330 (cleanup_dead_labels): Likewise.
22331 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22332 (bsi_move_before, bsi_move_after): Likewise.
22333 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22334 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22336 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22339 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22341 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22342 on non gimple variables. Also add checks at the top for decls and
22344 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22346 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22347 and IMAGPART_EXPR for creating MUST_DEFs.
22348 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22349 and NAME_MEMORY_TAG separately from the DECLs.
22351 2006-01-06 Richard Guenther <rguenther@suse.de>
22353 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22354 annotation, if necessary.
22355 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22356 redundant calls to update_stmt.
22357 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22360 2006-01-05 Richard Henderson <rth@redhat.com>
22362 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22364 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22366 * c-typeck.c: Update copyright date.
22368 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22370 * c-typeck.c (build_c_cast): Always warn when casting
22371 from a pointer to an integer of different size, even if
22372 the node was constant.
22374 2006-01-05 Richard Guenther <rguenther@suse.de>
22376 PR tree-optimization/22555
22377 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22378 if one structure field is an array.
22379 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22380 operands even if we found a subvar, but ignore VOPs in this
22382 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22384 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22386 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22388 PR middle-end/24998
22389 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22391 2006-01-05 Richard Guenther <rguenther@suse.de>
22392 Diego Novillo <dnovillo@redhat.com>
22394 * tree-pass.h (TODO_remove_unused_locals): Define.
22395 * gimple-low.c (expand_var_p, remove_useless_vars,
22396 pass_remove_useless_vars): Remove. Update all users.
22397 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22398 (remove_unused_locals): New function.
22399 * tree-flow.h (remove_unused_locals): Declare.
22400 * passes.c (execute_todo): Call remove_unused_locals if
22401 TODO_remove_unused_locals is set.
22402 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22403 * tree-ssa-dce.c (pass_dce): Likewise.
22404 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22406 2006-01-05 Richard Guenther <rguenther@suse.de>
22408 * tree-flow.h (struct fieldoff): Decompose field to
22409 type, size and decl.
22410 * tree-ssa-alias.c (create_sft): Take type as parameter.
22411 (create_overlap_variables_for): Store type, size and decl
22412 in the fieldoff structure.
22413 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22414 of struct fieldoff.
22415 (push_fields_onto_fieldstack): Likewise.
22416 (create_variable_info_for): Likewise. Use offset for the
22417 SFT name if the decl is not available.
22419 2006-01-04 Paul Brook <paul@codesourcery.com>
22421 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22423 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22425 * lambda-code.c (can_put_in_inner_loop): Relax
22427 (can_put_after_inner_loop): New function.
22428 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22429 (perfect_nestify): Change to make copies and modify uses.
22431 2006-01-04 Richard Henderson <rth@redhat.com>
22433 Merge from gomp branch:
22434 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22435 via integer constant.
22436 (pragma_lex): Remove.
22437 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22438 rather than parsing it.
22439 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22440 handle_pragma_extern_prefix): Add %< %> quotes.
22441 (registered_pragmas): New.
22442 (c_register_pragma_1): New.
22443 (c_register_pragma): Use it.
22444 (c_register_pragma_with_expansion): Likewise.
22445 (c_invoke_pragma_handler): New.
22446 (init_pragma): Use cpp_register_deferred_pragma directly for
22448 * c-pragma.h (enum pragma_kind): New.
22449 (pragma_handler): New.
22450 (c_invoke_pragma_handler): Declare.
22451 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
22453 * c-common.h (c_common_pch_pragma): Update decl.
22454 * Makefile.in (c-parser.o): Update dependencies.
22455 (GTFILES): Add c-pragma.h.
22456 * c-parser.c (struct c_token): Add pragma_kind.
22457 (struct c_parser): Add in_pragma.
22458 (c_lex_one_token): Always initialize keyword and pragma_kind.
22459 Extract data for CPP_PRAGMA.
22460 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
22461 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
22462 Don't allow CPP_PRAGMA_EOL if in_pragma.
22463 (c_parser_consume_pragma): New.
22464 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
22465 (c_parser_skip_to_end_of_parameter): Likewise.
22466 (c_parser_skip_to_end_of_block_or_statement): Likewise.
22467 (c_parser_skip_to_pragma_eol): New.
22468 (c_parser_external_declaration): Handle CPP_PRAGMA.
22469 (c_parser_compound_statement_nostart): Likewise.
22470 (c_parser_statement_after_labels): Likewise.
22471 (c_parser_pragma): New.
22472 (pragma_lex): Likewise.
22473 (c_parser_pragma_pch_preprocess): New.
22474 (c_parser_new): Merge into ...
22475 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
22477 2006-01-04 Jeff Law <law@redhat.com>
22480 * tree-cfg.c (bsi_replace): Remove the original statement
22481 from the EH throw statement table.
22483 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22485 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22486 make the prototype extern "C" and add throw ().
22489 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22490 and pos non-negative and pos + len <= 32.
22491 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22492 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22493 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22496 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22497 as well as sizes not multiple of component size.
22500 * function.c (instantiate_expr): New function.
22501 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22502 walk its DECL_VALUE_EXPR with instantiate_expr.
22504 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22505 DW_OP_deref{,_size} if address isn't going to be added.
22507 2006-01-04 Ben Elliston <bje@au.ibm.com>
22509 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22510 * config/fp-bit.c: Likewise.
22512 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22514 * dominance.c: Add comment about why we use DFS numbering
22517 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22518 Richard Henderson <rth@redhat.com>
22520 Merge from gomp-branch:
22521 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22522 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22524 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22526 PR rtl-optimization/25578
22527 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22528 pass a parameter to simplify_shift_const if changing ASHIFTRT
22531 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22533 * builtins.c (get_builtin_sync_mem): New function.
22534 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22535 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22536 Call get_builtin_sync_mem to generate mem rtx.
22538 2006-01-03 Richard Guenther <rguenther@suse.de>
22541 * stmt.c (add_case_node): Make sure to clear overflow flags
22544 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22546 Merge from gomp-branch.
22547 * config/sparc/sync.md: New file.
22548 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22549 UNSPECV_LDSTUB): New constants.
22550 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22551 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22552 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22555 2006-01-03 Roger Sayle <roger@eyesopen.com>
22557 * combine.c (reg_subword_p): New predicate to test whether the
22558 destination of a set refers to a subword/piece of a register.
22559 (try_combine): Generalize the code to merge the setting of a
22560 pseudo to a constant followed by a set of a subword of that
22561 register to a constant.
22563 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22565 * basic-block.h (control_flow_graph): Change the type of
22566 x_label_to_block_map to VEC(basic_block,gc) *.
22567 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22568 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22570 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22571 VEC(basic_block,heap) *.
22572 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22573 ssa_prop_fini): Adjust the uses of cfg_blocks.
22575 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22577 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22579 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22580 hashing trees instead of a pointer hash.
22581 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22582 compare for MEM_EXPR.
22584 PR rtl-optimization/25130
22585 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22586 when comparing MEMs for GCSE
22588 2006-01-03 Ben Elliston <bje@au.ibm.com>
22590 * targhooks.h (default_decimal_float_supported_p): Declare.
22591 * targhooks.c (default_decimal_float_supported_p): Define.
22592 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22593 `default_decimal_float_supported_p'.
22594 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22596 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22598 * combine.c (apply_distributive_law <SUBREG>): Check
22599 TRULY_NOOP_TRUNCATION.
22601 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22603 * dwarf2out.c (have_switched_text_section): Delete.
22604 (have_multiple_function_sections): New.
22605 (have_location_lists): Make 'bool'.
22606 (add_AT_loc_list): Use 'true' not '1'.
22607 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22608 (output_loc_list): Use have_multiple_function_sections.
22609 (output_ranges): Likewise.
22610 (dwarf2out_begin_function): Set have_multiple_function_sections if
22612 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22613 Check function_section rather than DECL_SECTION_NAME.
22614 (dwarf2out_finish): Use have_multiple_function_sections.
22615 Don't clear have_location_lists.
22617 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22618 Jan Hubicka <jh@suse.cz>
22620 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22621 case of conditional jump jumping to the next instruction.
22622 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22623 cases of conditional jump jumping to the next instruction.
22625 2006-01-02 Jan Hubicka <jh@suse.cz>
22627 * i386.c (*_cost): Add COSTS_N_INSNS.
22628 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22630 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
22633 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
22635 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22637 * config/arm/arm.c (all_fpus): Fix comment typo.
22638 * config/darwin.c: Likewise.
22639 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
22640 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
22641 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
22643 2006-01-01 David Edelsohn <edelsohn@gnu.org>
22645 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
22646 (rs6000_split_compare_and_swapqhi): New.
22647 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
22648 (sync_compare_and_swapqhi_internal): New.
22649 * config/rs6000/rs6000-protos.h: Declare.